1 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
5 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
7 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
8 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
9 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
10 for these macros. Clean up spacing and linewraps.
12 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
14 * calls.c (expand_call): Use get_callee_fndecl.
16 * print-tree.c (print_node): Print the chain of an _EXPR.
18 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
19 Jim Wilson <wilson@cygnus.com>
20 Andrew Haley <aph@cygnus.com>
22 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
23 and gp save/restore problems.
24 * config/ia64/crtend.asm: Add IA-64 unwind support.
25 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
26 in fr_pad_size calculation.
27 (save_restore_insns): Move PR save area. Correct uses of
29 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
30 (ia64_expand_epilogue): Add eh_epilogue support.
31 (ia64_function_prologue): Emit .prologue directive.
32 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
33 (ia64_override_options): Set init_machine_status and
35 (rtx_needs_barrier): Handle bsp reads and writes.
36 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
38 (process_set, process_for_unwind_directive): New functions.
39 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
40 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
41 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
43 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
44 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
45 (struct machine_function): Define.
46 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
48 2000-04-25 Bruce Korb <bkorb@gnu.org>
50 * fixinc/Makefile.in: make the removal of old programs more
52 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
53 install-bin and install-sh
55 2000-04-25 Nick Clifton <nickc@cygnus.com>
57 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
58 defined, define to return zero.
59 (function_cannot_inline_p): If a function has any target
60 specific attributes, then use the macro
61 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
62 whether it can be inlined. If it cannot, issue a suitable
65 * tm.texi: Add a new node 'Inlining' to document the new macro
66 FUNCTION_ATTRIBUTE_INLINABLE_P.
68 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
70 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
73 2000-04-25 Neil Booth <NeilB@earthling.net>
75 Restore previous patch, plus the following fixes:
77 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
78 flags, not CPP_OPEN_PAREN.
79 * cpplex.c (expand_token_space, init_token_list,
80 cpp_free_token_list): Put the dummy token at list->tokens[-1].
81 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
83 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
85 * config/i386/freebsd.h (INT_ASM_OP): Define.
87 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
89 * loop.c (strength_reduce): Fix typo in the last checkin.
91 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
93 * stor-layout.c (finalize_record_size): Simplify to use existing
95 (compute_record_mode): No longer static.
96 * tree.h (compute_record_mode): New declaration.
98 2000-04-25 Neil Booth <NeilB@earthling.net>
100 * Revert my patch below until cause of build failures
103 2000-04-25 Richard Henderson <rth@cygnus.com>
105 * combine.c (combine_instructions): Add missing argument
108 * toplev.c (rest_of_compilation): Delay sibcall optimization
109 until after emit_eh_context.
111 2000-04-24 Nick Clifton <nickc@redhat.com>
113 * combine.c (combine_instructions): Do not try to combine a
114 sequence of insns when the second insn has been replaced by a
117 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
119 * gcc.c (load_specs): New static function.
120 (read_specs): Use it.
122 * gcc.c (lookup_compiler): Make multiple passes for case
123 insensitive filesystems.
125 2000-04-24 Neil Booth <NeilB@earthling.net>
127 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
128 * cpphash.h (_cpp_check_directive): new.
129 * cpplex.c (handle_newline, cpp_free_token_list,
130 init_trigraph_map, trigraph_ok, trigraph_replace,
131 backslash_start, skip_block_comment, skip_line_comment,
132 skip_whitespace, parse_name, parse_number, parse_string,
133 copy_comment, _cpp_lex_line, spell_char, spell_string,
134 spell_comment, spell_name, spell_other, _cpp_lex_file,
135 _cpp_output_list): new.
136 (expand_name_space): take length argument.
137 (init_token_list): add comment list initialisation.
138 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
139 instead of HSPACE_BEFORE.
141 * cpplib.c (_cpp_check_directive): new
142 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
143 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
144 (HSPACE_BEFORE): delete.
145 (TTYPE_TABLE): rearrange.
146 (struct cpp_toklist): update.
148 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
150 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
151 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
152 argument form of AC_DEFINE.
154 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
155 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
156 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
157 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
158 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
160 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
162 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
164 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
165 deduced.h): Use -isystem, not -I, for including system headers.
167 2000-04-24 Nick Clifton <nickc@cygnus.com>
169 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
170 the source register is the frame pointer or arg pointer.
171 (addsi3_small_int): Disallow if source register is the frame
172 pointer or arg pointer.
174 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
176 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
177 call to AC_MSG_RESULT.
179 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
181 * invoke.texi: Correct grammatical errors, document
182 -fno-gnu-keywords as identical to -fno-asm for C++.
184 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
186 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
187 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
188 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
189 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
190 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
192 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
193 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
194 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
195 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
198 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
200 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
201 (pop_alignment): Likewise.
202 (handle_pragma_token): Likewise.
204 2000-04-24 Robert Lipe <robertlipe@usa.net>
206 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
208 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
210 * combine.c (try_combine): Update reg_nonzero_bits of
211 newi2pat before newpat.
213 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
215 * loop.c (strength_reduce): Simplify test to INSN_P.
216 (record_giv): Attempt to simplify the add value, use CONSTANT_P
217 expressions instead of CONST_INT.
218 (express_from_1): Likewise.
220 2000-04-24 Mark Mitchell <mark@codesourcery.com>
222 * regs.h (reg_n_max): Don't declare.
223 * flow.c (reg_n_max): Don't define.
224 * regclass.c (renumber): Don't initialize to zero.
225 (regno_allocated): Likewise.
227 (allocate_reg_info): Don't initialize unnecessarily.
229 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
231 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
232 and blockage_p in the newly allocated attribute.
234 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
236 * config/mn10300/mn10300.md (addsi): `inc4' on address
237 registers does not modify cc, but `inc' on an extended
240 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
242 * reload.c (find_equiv_reg): Checks all valueno regs
243 as a reload_reg_p regs.
245 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
247 * cpphash.c (collect_objlike_expansion): Add sanity check.
248 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
249 the buffer is the empty string, return. Mark __DATE__ and
250 __TIME__ as XCONST nodes, not MCONST.
251 (_cpp_macroexpand): Avoid pushing an empty buffer.
252 (funlike_macroexpand): Don't pop token_buffer here.
254 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
256 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
257 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
258 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
259 (REGNO_OK_FOR_BASE_P): Define in terms of them.
260 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
261 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
262 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
264 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
266 * loop.c (simplify_giv_expr): Be more agressive on simplifying
269 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
271 * cpphash.h (struct definition): Move file, line, col members...
272 (struct hashnode): ... here. Also add 'disabled' flag.
273 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
274 T_IDENTITY. Remove T_DISABLED.
277 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
278 (collect_expansion): Split into collect_objlike_expansion and
279 collect_funlike_expansion.
280 (_cpp_macroexpand): Split out scan_arguments, stringify, and
282 (_cpp_compare_defs): Rename compare_defs, make static.
283 (_cpp_make_hashnode): Initialize hp->disabled.
284 (macro_cleanup): Adjust for new token types. Clear
286 (_cpp_create_definition): Move code here to determine what
287 sort of macro it is, and code to check for redefinitions, from
288 do_define. Implement a few simple cases without creating a
290 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
291 Handle the simple cases.
292 (push_macro_expansion): Set buf->has_escapes and hp->disabled
295 * cppinit.c (builtin_array): Change MCONST to XCONST
297 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
298 fix check for disabled and function-like macros.
299 * cpplib.c (do_define): Move most logic to
300 _cpp_create_definition.
301 (do_undef): Handle new special token types.
303 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
305 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
306 of CONSTANT_P for mult_val; always use validate_change to update insn.
308 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
310 * cpphash.c (trad_stringify, add_pat): New functions.
311 (collect_expansion): Restore support for -traditional syntax.
312 Use trad_stringify and add_pat.
313 (_cpp_macroexpand): Restore support for -traditional semantics.
314 * cpplex.c (_cpp_scan_line): Don't change space_before if we
316 (_cpp_lex_token): Provide COMMENT tokens to caller if
317 traditional and parsing_define_directive.
318 (skip_comment): Warn about // comments if -Wtraditional.
319 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
321 (do_undef): Don't warn about undefining EMPTY nodes.
323 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
325 * loop.c (strength_reduce): Fix biv removal code.
327 2000-04-22 Richard Henderson <rth@cygnus.com>
329 * predict.c (estimate_probability): Examine both sides of
330 a branch for no exits. Use 90% not 50% for predict taken.
331 Reorg for one copy of note generation code.
333 2000-04-22 Richard Henderson <rth@cygnus.com>
335 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
337 2000-04-22 Richard Henderson <rth@cygnus.com>
339 * diagnostic.c (init_output_buffer): Don't initialize format_args.
340 (output_clear): Likewise.
341 (output_printf): Use va_copy.
342 (vline_wrapper_message_with_location): Likewise.
343 (v_message_with_decl): Likewise.
344 (line_wrapper_printf): VA_START infor buffer.format_args directly.
345 * system.h (va_copy): Provide default implementation.
347 2000-04-22 Richard Henderson <rth@cygnus.com>
349 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
350 the collected condition is not a constant.
352 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
354 * diagnostic.h: New file.
356 * Makefile.in (diagnostic.o): Depends on diagnostic.h
358 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
359 various function prototypes.
360 (diagnostic.h): #include.
361 (struct output_buffer): Move into diagnostic.h.
362 (get_output_prefix): Rename to output_get_prefix. Export.
363 (init_output_buffer): Export. Break out. Ajust intialization.
364 (output_space_left, output_append): Export.
365 (output_newline): Rename to output_add_newline. Export.
366 (output_clear): Nullify additional output_buffer fields.
367 (output_puts): Rename to output_add_string. Export.
368 (dump_output): Rename to output_flush_on. Export.
369 (build_location_prefix): Constify return-type.
370 (emit_output_prefix): Rename to output_emit_prefix. Export.
371 (set_real_maximum_length): New function.
372 (output_set_maximum_length): Ditto
373 (output_clear): Ditto.
374 (output_add_character): Ditto.
375 (output_add_integer): Ditto.
376 (output_add_space): Ditto.
377 (output_format): Ditto.
378 (output_printf): Adjust buffer initialization.
379 (vline_wrapper_message_with_location): Ditto.
380 (v_message_with_decl): Ditto. Adjust call to output_puts
381 and get_output_prefix.
382 (default_print_error_function): Adjust buffer intialization.
384 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
386 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
389 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
391 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
394 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
396 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
397 accurate data about SP moves.
399 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
401 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
402 aliases to AM33 registers.
404 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
406 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
407 to all EXTENDED bitmaps.
409 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
411 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
412 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
413 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
415 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
417 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
418 the operand is not constant.
420 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
422 * reload.c (find_equiv_reg): Checks all valueno and regno regs
423 as a call-clobbered regs.
425 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
427 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
429 * rtl.def: Update comment.
430 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
431 * integrate.c (expand_inline_function): Likewise.
432 * profile.c (branch_prob): Likewise.
433 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
434 * print-rtl.c (print_rtx): Likewise.
435 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
436 (reemit_notes): Likewise; also use enum insn_note.
438 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
439 (place_field): Properly compute know and actual alignment.
441 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
444 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
447 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
449 * cpphash.c (struct arg, struct arglist): Const-ify strings.
450 (warn_trad_stringify, duplicate_arg_p): New helper functions.
451 (collect_expansion): Rewrite to scan over a token list.
452 Remove -traditional support.
453 (collect_formal_parameters): Rename to collect_params; rewrite
454 to scan over a token list.
455 (_cpp_create_definition): Adjust to scan a token list.
456 (_cpp_macroexpand): Remove -traditional support.
457 (_cpp_compare_defs): Whitespace is now canonicalized.
458 (comp_def_part): Delete function.
460 * cpphash.h: Update prototypes.
461 * cpplex.c (init_token_list): Don't set lineno if there is no
463 (pedantic_whitespace): New function.
464 (_cpp_scan_line): Mark tokens that had hspace before. Don't
465 consume a newline. Use pedantic_whitespace.
466 (_cpp_lex_token): Remove support for -traditional macros.
467 (_cpp_get_define_token): Delete.
468 (_cpp_get_directive_token): Do the real work here. Use
470 (_cpp_init_input_buffer): Initialize pfile->directbuf.
472 * cpplib.c (get_macro_name): Delete.
473 (do_define): Read the entire line into pfile->directbuf, then
474 feed the token list to _cpp_create_definition.
475 * cpplib.h (HSPACE_BEFORE): new define.
476 (struct cpp_reader): Add a toklist member, "directbuf".
478 * predict.c (estimate_probability): New heuristic: if a jump
479 branches around a block with no successors, predict it taken.
480 Disentangle control flow.
482 2000-04-20 Richard Henderson <rth@cygnus.com>
484 * loop.c (emit_iv_add_mult): Revert last change.
486 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
488 * cpplib.h (enum cpp_ttype): Add token types for all
489 punctuators. Distinguish pp-numbers from valid C numbers.
490 Give some tokens better names. Initialize from macro.
491 (struct cpp_name, cpp_token, cpp_toklist): New data
494 * cpplex.c (bump_column, expand_name_space,
495 expand_token_space, init_token_list, cpp_output_list,
496 _cpp_scan_line): New functions.
497 (output_line_command): Add third argument, new line number.
498 * cpphash.h: Update prototypes.
499 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
502 2000-04-20 Richard Henderson <rth@cygnus.com>
504 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
506 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
508 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
511 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
513 * loop.c (emit_iv_add_mult): Simplify it's input and emit
514 REG_EQUAL note explaining the calculated value.
516 * calls.c (expand_call): Avoid unnecesary precalculation
517 and outgoing parameters space guarding for sibling calls.
518 (store_one_arg): Likewise.
520 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
522 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
523 (rest_of_compilation): Write sibling dump file and account
524 for time as jump time.
525 * invoke.texi: Update documentation on dump flags.
527 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
529 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
531 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
533 * cpphash.c (special_symbol): Represent an empty macro with
534 "\r \r " not just "\r ".
535 (_cpp_macroexpand): Correct condition for the foo ( ) special
537 (unsafe_chars): Handle EOF as second argument.
538 (push_macro_expansion): Simplify test for removing escape at
539 end. Do not trim both escapes if there is no text in between.
541 2000-04-19 Jim Blandy <jimb@redhat.com>
543 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
544 of PTR_SIZE, when appropriate.
546 2000-04-19 Mark Mitchell <mark@codesourcery.com>
548 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
549 (USE_ENUM_BITFIELDS): Fix typo.
551 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
553 * stor-layout.c (place_field): Set rli->offset_align properly.
555 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
557 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
558 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
559 PARM_BOUNDARY): Remove unnecessary casts.
561 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
563 * calls.c (precompute_arguments): Remove must_preallocate and
565 (expand_call): Update call of precompute_arguments.
567 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
568 check_insn_for_givs): Break out from ...
569 (strength_reduce) ... here; use for_every_insn_in_loop to call
571 * loop.h (for_every_insn_in_loop): Declare.
572 (loop_insn_callback): New type.
574 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
576 * cpplib.c (do_pragma_poison): Strings in the token buffer are
579 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
581 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
584 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
586 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
588 * configure.in: Delete --disable-cpplib option and all
589 references to cpp_main.
590 * configure: Regenerate.
591 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
592 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
593 cccp.o, cccp, or cppmain. Link cppmain.o straight to
594 cpp$(exeext). Add --no-headers to makeinfo command line when
595 generating INSTALL. Install and uninstall cpp.1 manpage, not
597 * install.texi: Delete all references to cexp.y/cexp.c.
598 Delete ancient instructions for compiling GCC on 3b1.
599 * INSTALL: Regenerate.
601 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
602 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
603 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
605 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
606 which is no longer tested anywhere.
608 * cppinit.c (handle_option): Don't run error message through
611 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
613 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
614 * cpperror.c (hashtab.h): Now include.
615 * cppexp.c (hashtab.h): Likewise.
616 * cpplex.c (hashtab.h): Likewise.
617 * cppfiles.c (hashtab.h): Likewise.
618 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
619 to htab_find_slot_with_hash.
620 * cpphash.c (hashtab.h): Now include.
621 (_cpp_lookup_slot): INSERT is now enum insert_option.
622 * cpphash.h (_cpp_lookup_slot): Likewise.
623 * cppinit.c (hashtab.h): Include earlier.
624 (initialize_builtins): Pass enum to htab_find_slot.
625 * cpplib.c (hashtab.h): Now include.
626 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
627 (do_pragma_poison, do_assert): Likewise.
628 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
629 htab_find_slot_with_hash.
630 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
631 * tree.c (type_hash_add): Likewise.
632 (build1): Minor cleanup.
634 * ggc-common.c: Add missing blanks.
635 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
636 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
638 * stmt.c (mark_case_node): New function.
639 (mark_case_nesting): Call it.
641 * expmed.c (emit_store_flag): If comparing two-word integer
642 with zero, can optimize NE, EQ, GE, and LT.
644 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
645 * conflict.c: Minor cleanups.
646 * optabs.c: Add blank line
647 * simplify-rtx.c: Minor cleanups.
649 2000-04-18 Stan Cox <scox@cygnus.com>
651 * gengenrtl.c (genlegend): Fix misspelling.
653 2000-04-18 Robert Lipe <robertlipe@usa.net>
655 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
656 bitfields of the host compiler are not signed quantities.
657 * config.in: Regenerate.
658 * configure: Regenerate.
659 * system.h (USE_ENUM_BITFIELDS): Added.
660 (ENUM_BITFIELDS): Added.
661 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
662 (SHORT_ENUM_BUG): Deleted.
663 * tree.h (tree_common): Members `code', `mode', `built_in_class',
665 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
666 (CODE_FIELD_BUG): Likewise.
667 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
669 * config/m68k/x-ccur (X_CFLAGS): Likewise.
671 2000-04-18 Mark Mitchell <mark@codesourcery.com>
673 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
676 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
678 * cppexp.c (lex): Don't assume tokens are NUL terminated.
679 * cpplib.c (do_include, do_import, do_include_next,
680 read_line_number, detect_if_not_defined): Likewise.
681 * cpphash.c (collect_expansion): Likewise.
682 (special_symbol, _cpp_macroexpand): Check return from
684 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
685 macros. Delete all uses.
687 * gcc.dg/cpp-mi.c: Add two more test cases.
688 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
690 2000-04-17 Richard Henderson <rth@cygnus.com>
692 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
693 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
695 2000-04-17 Mark Mitchell <mark@codesourcery.com>
697 * function.c (expand_function_start): Use hard_function_value to
698 compute the RTL to use for DECL_RESULT.
700 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
702 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
703 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
704 x86_memory_mismatch_stall): New global variables.
705 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
706 alloved; fix load penalties for Athlon.
707 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
708 x86_memory_mismatch_stall): Declare.
709 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
710 TARGET_MEMORY_MISMATCH_STALL): New.
711 * i386.md (athlon scheduling parameters): Fix latencies according to
712 Athlon Optimization Manual.
713 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
715 (fsqrt instruction patterns): Set athlon_decode to direct.
716 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
717 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
718 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
719 and TARGET_PARTIAL_REGISTER_STALL machines.
720 (pushdf_nointeger): New pattern.
721 (pushdf_integer): Rename from pushdf.
722 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
723 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
725 2000-04-17 Richard Henderson <rth@cygnus.com>
727 * loop.c (canonicalize_condition): Add WANT_REG argument.
728 Stop the search if we match it.
729 * expr.h (canonicalize_condition): Update decl.
730 * predict.c (expected_value_to_br_prob): Use it. Track last
732 (find_expected_value): Remove.
734 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
736 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
738 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
739 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
741 * configure.in: Call AC_FUNC_MMAP_FILE.
742 * configure: Regenerate.
743 * config.in: Regenerate.
745 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
746 * fixinc/fixincl.c: Likewise.
748 2000-04-17 Richard Henderson <rth@cygnus.com>
750 * builtins.c (expand_builtin_expect): New.
751 (expand_builtin): Call it.
752 * builtins.def (BUILT_IN_EXPECT): New.
753 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
754 * extend.texi: Document it.
756 * predict.c (expected_value_to_br_prob): New.
757 (find_expected_value): New.
758 * basic-block.h (expected_value_to_br_prob): Declare.
759 * toplev.c (rest_of_compilation): Invoke it.
761 * rtl.h (NOTE_EXPECTED_VALUE): New.
762 (NOTE_INSN_EXPECTED_VALUE): New.
763 * rtl.c (note_insn_name): Update.
764 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
765 cases; handle NOTE_INSN_EXPECTED_VALUE.
767 2000-04-17 Jakub Jelinek <jakub@redhat.com>
769 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
770 leaf sibcall delay slot if flag_pic.
771 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
773 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
775 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
777 * fixproto: If fix-header fails, exit with an error.
779 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
781 * cse.c (struct check_depdendence_data): New.
782 (check_dependence): New function.
783 (invalidate): Use check_depdenence.
785 2000-04-16 Mark Mitchell <mark@codesourcery.com>
787 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
788 UNITS_PER_WORD is unsigned.
790 * tree.h (struct tree_common): Remove misleading comment.
792 2000-04-16 Dave Pitts <dpitts@cozx.com>
794 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
795 message in quotes. Otherwise, IBM's make program treats the '#' as the
796 start of a comment and ignores the remainder of the line.
798 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
800 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
801 * cexp.y (initialize_random_junk): Likewise.
802 * cppfiles.c (find_include_file): Cast alloca return value.
803 * cppinit.c (initialize_standard_includes): Likewise.
804 * cpplib.c (cpp_define, cpp_undef): Likewise.
805 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
806 * final.c (output_asm_insn): Allow for holes in EBCDIC.
807 * fold-const.c (CHARMASK): New.
808 (real_hex_to_f): Use it.
809 * real.c (CHARMASK): New.
810 (etoasc, asctoeg): Use it.
811 (asctoeg): EBCDIC lower case characters preceed upper case.
813 * i370.c (mvs_add_label): Change spacing for coding conventions.
814 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
815 outputing case vectors.
816 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
817 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
818 since vector in in the data CSECT.
819 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
820 * i370.md (Many patterns): Put the length in the XL directives.
821 (movdi): Put back STM and MVC in definition.
822 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
823 pattern using the TCA.
824 * oe.h (CPP_SPEC): Added to allow trigraphs.
825 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
826 not support the "long long" type.
828 2000-04-16 Mark Mitchell <mark@codesourcery.com>
830 * config/mips/mips-protos.h (mips_legitimate_address_p): New
832 (mips_reg_mode_ok_for_base_p): Likewise.
833 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
834 (REG_OK_FOR_INDEX_P): Define unconditionally.
835 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
836 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
837 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
838 that GET_MODE_SIZE is unsigned.
839 (mips_reg_mode_ok_for_base_p): Define.
840 (mips_legitimate_address_p): Likewise. Adjust now
841 that GET_MODE_SIZE is unsigned.
842 (block_move_loop): Make the number of bytes unsigned.
843 (expand_block_move): Likewise.
844 (function_arg): Make the loop counter unsigned to match the
847 2000-04-16 Richard Henderson <rth@cygnus.com>
849 * rtl.h (enum insn_note): New enumeration. Subsume
850 NOTE_INSN_DELETED and friends.
851 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
852 * rtl.c (note_insn_name): Tweak string order.
854 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
856 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
859 * cpplex.c (output_line_command): Remove debugging prints.
860 (cpp_output_tokens): Don't write out a zero-length buffer or
861 try to see if it has a newline in it.
862 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
863 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
864 the end of the loop. Use memmove. Don't read past the end of
865 the buffer. Remove trailing newlines from error messages.
867 2004-04-16 Neil Booth <NeilB@earthling.net>
869 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
870 * cpplib.c: Add new syntax flags to directive table, and
873 2000-04-15 Ulrich Drepper <drepper@redhat.com>
875 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
878 2000-04-15 David Edelsohn <edelsohn@gnu.org>
880 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
881 * haifa-sched.c: Update -fsched-verbose comments to use "=".
883 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
885 * Makefile.in (ggc-page.o): Now includes toplev.h.
886 * ggc-page.c (toplev.h): Now included.
887 (gc_time): Remove declaration.
888 (ggc_collect): TIME now long.
889 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
891 * toplev.h (gc_time, parse_time, gc_time): New declarations.
893 * toplev.c: Make *_time variable long to reduce chance of overflow.
894 (TIMEVAR): Likewise for `otime'.
895 (print_time): Arg is now long; compute percentage in FP and round.
896 * toplev.h (print_time): Arg is long.
898 * tree.c: Minor whitespace changes.
900 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
901 * configure: Rebuilt.
902 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
903 (__fixunsxfDI): Renamed from __fixunsxfdi.
904 (__fixunsdfDI): Renamed from __fixunsdfdi.
905 (__fixunssfDI): Renamed from __fixunssfdi.
906 (__floatdisf): Use proper type in REP_BIT macro.
907 (__fixunsxfSI): Renamed from __fixunsxfsi.
908 (__fixunsdfSI): Renamed from __fixunsdfsi.
909 (__fixunssfSI): Renamed from __fixunssfsi.
910 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
911 Change location of macros and upper-case some names as above.
912 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
913 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
915 * varasm.c (assemble_variable): Add cast to remove warning.
916 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
918 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
919 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
922 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
924 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
925 call unshare_all_rtl.
927 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
929 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
931 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
932 Use .s1 not .s0 for all FP instructions.
934 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
936 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
938 (safe_fwrite, output_line_command): New static functions.
939 (cpp_expand_to_buffer): Now private to cpplib.
940 (cpp_scan_buffer): Take a printer.
942 * cpphash.h: Update prototypes.
943 * cpplib.h: Update prototypes.
945 (cpp_buffer): Remove last_nominal_fname.
946 (cpp_reader): Remove lineno.
948 * cppmain.c: Use a cpp_printer.
949 * fix-header.c: No need to inhibit line commands. Call
950 cpp_start_read with no printer.
952 * cpperror.c (cpp_notice_from_errno): Provide default name.
953 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
954 (find_include_file, cpp_read_file): Use make_IHASH.
955 (file_cleanup): Set control_macro and clear
956 input_stack_listing_current here.
957 (_cpp_execute_include): Don't output entering-file marker.
958 * cpphash.c (special_symbol): Look for the line number in the
959 buffer, not the reader.
960 (_cpp_macroexpand): No need to disable line commands.
961 (_cpp_dump_definition): No need to generate line commands.
962 (dump_hash_helper): Remove excess newline from output.
963 * cppinit.c (dump_special_to_buffer): No need to generate line
965 (cpp_printer_init): New.
966 (cpp_start_read): Take a printer, and start it up if it's not
967 NULL. No need to generate line commands.
968 (cpp_finish): Expect no buffers stacked at all. Take a
969 printer argument, and flush the output buffer if it's not
971 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
972 Don't put two hashes at the beginning of an assertion.
973 (cpp_get_token): Don't increment pfile->lineno or emit line
974 commands here. Return EOF if there's no buffer when we get
976 * cpplib.c (do_define, skip_if_group):
977 No need to disable line commands.
978 (_cpp_output_line_command): Delete function.
979 (do_line): Don't emit line commands here, but set things up so
980 they will be emitted if necessary. Use _cpp_fake_ihash to
981 make unique nominal_fnames if necessary.
982 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
983 with 0 for column, not -1.
984 (_cpp_handle_eof): Don't set the control macro here. Don't
985 clear input_stack_listing_current here. Don't emit line
988 2000-04-14 Geoff Keating <geoffk@cygnus.com>
990 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
991 always, use the default SVR4 start address.
993 * config/rs6000/linux.h (LINK_SPEC): Don't define.
994 (LINK_SHLIB_SPEC): Define.
995 (LINK_START_DEFAULT_SPEC): Define.
996 (LINK_OS_DEFAULT_SPEC): Define.
998 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1000 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1001 __do_global_ctors to handle constructors.
1002 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1003 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1004 (STARTFILE_MVME_SPEC): Likewise.
1005 (STARTFILE_SIM_SPEC): Likewise.
1006 (ENDFILE_ADS_SPEC): Use crtend.
1007 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1008 (ENDFILE_MVME_SPEC): Likewise.
1009 (ENDFILE_SIM_SPEC): Likewise.
1010 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1011 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1012 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1013 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1014 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1015 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1016 (CRTSTUFF_T_CFLAGS_S): Define.
1017 * config/rs6000/eabi-ctors.c: Delete.
1019 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1022 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1026 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1028 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1029 plus mask size is smaller or equal to the mode size.
1031 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1033 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1036 * expr.c (reload.h): Now included.
1037 (emit_block_move): Set volatile_ok when checking for movstr.
1038 (emit_move_1): Check for replacements in addresses in multi-word case.
1039 * Makefile.in (expr.o): Now includes reload.h.
1041 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1042 Never have a LIBCALL end a basic block.
1043 (find_basic_blocks_1): Likewise.
1044 Reorganize CALL_INSN cases.
1046 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1048 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1050 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1051 completers from mov.ret instruction.
1053 2000-04-14 Richard Henderson <rth@cygnus.com>
1055 * fold-const.c (extract_muldiv): Don't distribute and widen
1056 multiply across plus for non-sizetype unsigned types.
1058 2000-04-14 Richard Henderson <rth@cygnus.com>
1060 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1061 If the original source is dead in the incr insn, it's dead now.
1063 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1065 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1066 see if DECL_BIT_FIELD needs to still be set.
1068 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1070 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1071 print_int_cst_octal with something that's not an INTEGER_CST.
1073 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1074 and not a SUBREG to a FLOAT rtl.
1076 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1078 * emit-rtl.c (try_split): Avoid infinite loop if the split
1079 results in a sequence that contains the original insn.
1081 2000-04-13 Andreas Jaeger <aj@suse.de>
1083 * config/mips/mips.c (expand_block_move): Pass alignment
1084 argument to move_by_pieces in bits, not bytes.
1086 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1087 __pic__ for little endian.
1089 2000-04-13 Andreas Jaeger <aj@suse.de>
1091 * config/i386/i386-protos.h: Add prototype for
1092 uno_comparison_operator.
1094 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1096 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1097 * calls.c (ECF_PURE): New flag.
1098 (emit_call_1): Handle ECF_PURE calls.
1099 (initialize_argument_information): Unset ECF_PURE flag too.
1100 (precompute_arguments): Precompute for ECF_PURE too.
1101 (expand_call): Handle ECF_PURE calls too.
1102 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1103 accept value of 2 as pure function.
1104 (emit_library_call_value, emit_library_call): Rename no_queue argument
1106 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1108 * tree.h (DECL_IS_PURE): New macro.
1109 (struct tree_decl): Add pure_flag.
1110 * c-common.c (enum attrs): Add attribute "pure".
1111 (init_attributes): Initialize attribute "pure"
1112 (decl_attributes): Handle attribute "pure".
1113 * extend.texi (Attribute "pure"): Document.
1114 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1116 (flags_from_decl_or_type): Support attribute "pure".
1118 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1120 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1121 the token except for numbers and identifiers.
1123 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1125 * i386.c (ix86_expand_binary_operator,
1126 ix86_expand_unary_operator): Check no_new_pseudos
1127 instead of reload_in_progress and reload_completed.
1128 (ix86_split_ashldi, ix86_split_ashrdi,
1129 ix86_split_lshrdi): Check no_new_pseudos instead
1130 of reload_completed.
1132 2000-04-12 Jeffrey A Law (law@cygnus.com)
1134 * function.c (purge_addressof): Unshare any shared rtl created by
1135 purge_addressof and its children.
1137 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1139 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1142 2000-04-05 Andreas Jaeger <aj@suse.de>
1144 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1145 not compiling PIC code, add flags for mabi=64.
1146 (SUBTARGET_CPP_SIZE_SPEC): New.
1147 (SUBTARGET_CPP_SPEC): New.
1148 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1149 for MIPS/Linux and lots of code needs these defines.
1151 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1153 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1154 trying the "opposite arithmetic" approach.
1156 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1158 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1159 (struct sh_args): Add new field force_mem.
1160 (INIT_CUMULATIVE_ARGS): Initialize it.
1161 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1163 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1165 * calls.c (expand_call): Do not reverse args in "equal from" field.
1166 (emit_library_call_value_1): Emit_libcall_block for const and pure
1169 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1171 * reload1.c (reload_combine): Don't enable optimization for fixed
1172 registers when encountering a BARRIER.
1174 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1176 * builtins.c (expand_builtin_memcmp): Do expansion even with
1177 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1179 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1180 stack is propertly aligned; add sanity checking for aligned
1182 (expand_library_call_value_1): Add sanity checking for aligned
1185 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1187 * calls.c (emit_library_call_value_1): Change 3rd arg to
1188 locate_and_pad_parm to disregard the setting of partial.
1190 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1192 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1194 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1195 CALL_INSN from the normal case.
1197 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1199 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1200 New global variables.
1201 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1203 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1205 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1206 TARGET_ADD_ESP_8): New macros.
1207 * i386.md: Add peep2s to convert esp adjustments to push and pop
1209 (pushsi_prologue, popsi_epilogue): New patterns.
1211 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1213 * real.c (toe64): Remove stale #endif from the last change.
1215 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1217 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1218 * real.c (toe64): Revert previous change.
1220 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1222 * objc/objc-act.c: Include ggc.h.
1223 (objc_tree_index, objc_global_trees): Convert most of the
1224 static tree variables into a static array with previous names
1226 (objc_ellipsis_node): New variable.
1227 (lang_init): Call objc_act_parse_init and c_parse_init.
1228 Create objc_ellipsis_node.
1229 (build_selector_translation_table): Use objc_ellipsis_node instead
1231 (hack_method_prototype): Likewise.
1232 (get_arg_type_list): Likewise.
1233 (start_method_def): Likewise.
1234 (continue_method_def): Likewise.
1235 (gen_method_decl): Likewise.
1236 (ggc_mark_imp_list): New function.
1237 (ggc_mark_hash_table): New function.
1238 (objc_act_parse_init): New function.
1239 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1240 * c-parse.in (c_parse_init): For objc add roots of objc specific
1241 local tree variables.
1242 * objc/objc-parse.y: Rebuilt.
1243 * objc/objc-parse.c: Rebuilt.
1244 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1246 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1248 * cse.c (delete_trivially_dead_insns): Also delete insns
1249 that copy a register to itself where the destination is
1252 2000-04-11 Richard Henderson <rth@cygnus.com>
1254 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1255 (propagate_block): Initialize them. Use them in parallel instead
1256 of one tmp variable, ie revert much of the 0408 and 0407 functional
1257 changes, but keep the structural changes.
1258 (mark_set_regs): Take new_dead from propagate_block_info instead.
1259 (mark_set_1, mark_set_reg): Likewise.
1260 (mark_used_regs): Likewise with new_live.
1261 (mark_used_reg): Likewise. Revert 0408 change.
1263 2000-04-11 Nick Clifton <nickc@cygnus.com>
1265 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1267 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1269 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1271 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1272 const section to output a CONSTRUCTOR based on the same conditions
1275 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1277 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1278 * pa/pa-protos.h (output_call): Add additional argument indicating
1279 if the call is a sibling/tail call.
1280 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1281 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1282 (function_arg, function_arg_partial_nregs): Likewise
1283 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1284 (emit_move_sequence): Zero extend certain constants as needed
1286 (compute_zdepdi_operands, output_64bit_and): New functions.
1287 (output_64bit_ior, function_arg): Likewise.
1288 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1289 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1290 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1291 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1292 (output_bvb): Likewise.
1293 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1294 (output_call): New argument 'sibcall'. Generate sibcall sequences
1296 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1297 (ouput_arg_descriptor): Do not emit argument descriptors for
1299 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1301 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1302 (FUNCTION_OK_FOR_SIBALL): Define.
1303 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1304 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1305 (CPP_SPEC): Use new spec infrastructure.
1306 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1307 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1308 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1309 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1310 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1311 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1312 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1313 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1314 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1315 (FUNCTION_ARG); Call out to C code.
1316 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1317 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1318 (MIN_UNITS_PER_WORD): Likewise.
1319 * pa/pa.md (cmpdi): New expander.
1320 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1321 (64bit conditional arithmetic): New patterns.
1322 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1323 (movsicc): Not available if modes on all the operands to not match.
1324 (movdicc): New expander and associated patterns.
1325 (64bit branches): New patterns.
1326 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1327 (pre_ldd, post_std): New patterns.
1328 (64bit addil, load low part): New patterns.
1329 (special movsf constant): Not available for TARGET_64BIT.
1330 (movsf, movdf expanders): Force constants into memory.
1331 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1332 (64bit movdf/movdi patterns): New patterns.
1333 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1335 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1336 (adddi3 expander): Allow "arith_operand" for second input.
1337 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1338 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1339 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1340 (muldi3): New expander for TARGET_64BIT.
1341 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1343 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1344 patterns for TARGET_64BIT.
1345 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1346 patterns for TARGET_64BIT.
1347 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1348 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1349 (sibcall_epilogue): New expander.
1350 (casesi): Tweak for TARGET_64BIT.
1351 (call expanders): Set & use the outgoing argument pointer. Use the
1352 64bit call patterns as needed. Add additional arg to output_call.
1353 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1354 (sibcall, sibcall_internal_symref): New expanders.
1355 (sibcall_value, sibcall_value_internal_symref
1356 (interspace_jump): Turn into an expander + matching patterns.
1357 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
1358 * pa/pa64-regs.h: Eliminate trigraph sequences.
1359 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
1361 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
1363 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
1364 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
1365 cpp_token with cpp_ttype everywhere.
1366 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
1367 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
1368 CPP_BUF_COL. Line and column numbers are unsigned int, not
1370 * cpplex.c (cpp_buf_line_and_col): Delete.
1371 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
1372 'long lineno' to 'unsigned int lineno'.
1373 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
1375 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1377 * extend.texi: ISO C99 is not a draft anymore.
1378 * invoke.texi: ISO C++ is not a draft anymore.
1379 * cpp.texi: __cplusplus is required by the ISO standard.
1381 * extend.texi (-fthis-is-variable): Undocument.
1382 * flags.h (warn_template_debugging): Remove declaration.
1383 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
1384 -Wenum-clash, -Wtemplate-debugging): Undocument.
1386 2000-04-10 Nick Clifton <nickc@cygnus.com>
1388 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
1390 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
1392 (ARM_SIGN_EXTEND): Use HOST_UINT.
1393 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
1394 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
1395 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
1396 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
1398 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
1399 (arm_gen_constant): Use HOST_UINT.
1400 (arm_canonicalize_constant): Use HOST_UINT.
1401 (arm_reload_in_hi): Use HOST_UINT.
1402 (arm_reload_out_hi): Use HOST_UINT.
1403 (output_multi_immediate): Use HOST_UINT.
1404 (int_log2): Use HOST_UINT.
1405 (arm_poke_function_name): Use HOST_UINT.
1406 (arm_output_epilogue): Use arm_volatile_func().
1407 (output_thumb_prologue): Use arm_strip_name_encoding().
1409 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1411 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
1412 of sequence point problems.
1414 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
1416 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
1418 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
1420 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1422 * sbitmap.h: Whitespace changes and use upper-case macro args.
1423 (struct simple_bitmap_def): All sizes now unsigned.
1424 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
1425 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
1426 (sbitmap_vector_alloc): Parms and local vars now unsigned.
1427 (sbitmap_zero): Cast bzero arg to PTR.
1428 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
1429 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
1430 loop to make structure clearer.
1431 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
1432 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
1433 (sbitmap_a_and_b_or_c): Likewise.
1434 (sbitmap_intersection_of_succs): Minor cleanups.
1435 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
1436 (sbitmap_union_of_preds): Likewise.
1437 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
1438 (debug_sbitmap): New function.
1440 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
1441 * c-typeck.c (convert_for_assignment): Likewise.
1443 * expmed.c (init_expmed): Don't free objects we make.
1444 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
1446 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
1447 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
1449 * gcse.c (expr_hash_table_size): Now unsigned.
1450 (compute_ae_gen): Local variable `i' now unsigned.
1451 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
1452 (compute_transout, hoist_code): Likewise.
1453 (compute_local_properties): Likewise, also hash_table_size.
1454 (alloc_expr_hash_table): N_INSNS now unsigned.
1455 (delete_null_pointer_checks): Mark arg F as unused.
1457 * regrename.c: Minor cleanups, including chang some variables
1460 2000-04-10 Neil Booth <NeilB@earthling.net>
1462 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
1464 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
1466 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1468 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
1469 __classof__, and __headof__ from the list of gnu keywords.
1470 (-ansi): Remove -foperator-names from list of implied options.
1471 Do not call it ANSI C++.
1472 (-foperator-names): Document as -fno-operator-names.
1474 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
1476 * cpphash.c (timestamp): Delete.
1477 (del_HASHNODE): If type is T_MCONST, free value.cpval.
1478 (special_symbol): Remove unnecessary braces. Remove
1479 T_VERSION. Treat T_STDC like T_CONST unless
1480 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
1481 when one is encountered, then convert them into T_MCONST
1483 * cppinit.c (builtin_array): version_string is T_MCONST.
1484 __STDC__ has a "1" in its cpval. Don't have a terminator
1485 entry. Clean up which entries are dumped.
1486 (initialize_builtins): Only __STDC__ gets the special
1487 -traditional treatment. Count the length of builtin_array.
1488 Render version_string here.
1489 * cpphash.h: Remove T_VERSION. Add T_MCONST.
1490 * cpplib.h (struct cpp_reader): Remove timebuf.
1492 2000-04-09 Richard Henderson <rth@cygnus.com>
1494 * genrecog.c (pred): Update comparison_operator for the unordered
1497 * config/i386/i386.c (no_comparison_operator): Disallow unordered
1499 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
1500 (uno_comparison_operator): New.
1501 (put_condition_code): Handle UNORDERED/ORDERED.
1502 (unsigned_comparison): Likewise.
1503 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
1504 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
1505 (ix86_expand_fp_compare): Use them. Take scratch as argument,
1506 update all callers. Handle all 8 unordered operators.
1507 (ix86_expand_setcc): Lose the unordered argument, update all callers.
1508 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
1509 * config/i386/i386.h (PREDICATE_CODES): Update.
1510 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
1511 (ix86_expand_branch, ix86_expand_setcc): Update.
1512 * config/i386/i386.md (sunordered, sordered): New.
1513 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
1514 (bunordered, bordered): New.
1515 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
1516 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
1517 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
1519 2000-04-09 Philip Blundell <philb@gnu.org>
1521 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
1523 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
1525 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
1526 fix_truncxfhi2): New patterns.
1527 * i386.c (output_fix_trunc): Handle converting to HImode.
1529 2000-04-08 Alex Samuel <samuel@codesourcery.com>
1531 * ssa.c (convert_to_ssa): Eliminate dead code when calling
1533 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
1534 (for_each_successor_phi): Change parameter to basic_block.
1535 (coalesce_regs_in_successor_phi_nodes): Likewise.
1536 (coalesce_regs_in_copies): Likewise.
1537 (compute_coalesced_reg_partition): Use basic_block instead of index.
1538 * rtl.h (convert_to_ssa): Delete.
1539 (convert_from_ssa): Likewise.
1540 (successor_phi_fn): Likewise.
1541 (for_each_successor_phi): Likewise.
1542 (in_ssa_form): Likewise.
1543 * basic-block.h (convert_to_ssa): Moved from rtl.h.
1544 (convert_from_ssa): Likewise.
1545 (successor_phi_fn): Likewise.
1546 (in_ssa_form): Likewise.
1547 (for_each_successor_phi): Likewise. Change parameter to basic_block.
1548 * flow.c (calculate_global_regs_live): Pass a basic_block to
1549 for_each_successor_phi.
1551 2000-04-08 Richard Henderson <rth@cygnus.com>
1553 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
1554 was modified in the current insn.
1556 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1558 * arm/thumb.md: Delete.
1559 * arm/thumb-protos.h: Delete.
1561 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1563 Merge changes from merged-arm-thumb-backend-branch onto trunk.
1565 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1567 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
1570 * arm.md (nop): Use the standard RTL expression. Don't code as a
1572 (*arm_nop, *thumb_nop): Delete.
1574 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
1575 constants. Use casts instead.
1576 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
1577 output_multi_immediate, arm_poke_function_name): Likewise.
1578 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
1579 MASK_RETURN_ADDDR): Likewise.
1581 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
1583 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
1586 * arm.md (eh_epilogue): New function.
1587 * arm.h (struct machine_function): Move to here ...
1588 * arm.c: ... from here.
1589 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
1590 (thumb_exit): Extra parameter eh_ofs. All callers changed.
1591 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
1593 2000-03-30 Nick Clifton <nickc@cygnus.com>
1595 * config/arm/semi.h (ASM_SPEC): Restore definition.
1596 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1598 * config/arm/elf.h (ASM_SPEC): Restore definition.
1599 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1601 * config/arm/arm.h (ASM_SPEC): Remove definition.
1602 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
1604 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
1606 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
1608 2000-03-24 Nick Clifton <nickc@cygnus.com>
1610 Various formating tidyups, elimination of compile time
1611 warnings and synchronisation with internal sources:
1613 * config/arm/arm-protos.h (assemble_align): Add prototype.
1614 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1615 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1616 (arm_return_addr_rtx): Rename to arm_return_addr.
1618 * config/arm/arm.c: Include except.h.
1619 Define shorter typenames for strict minipool_node and struct
1621 (arm_return_in_memory): For WinCE return all structures <= 32 bits
1623 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1624 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1626 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1628 (ASM_SPEC): Define if not already defined.
1629 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1631 * config/arm/arm.md: Rename references to gen_rotated_half_load to
1632 arm_gen_rotated_half_load, and references to gen_comapre_reg to
1633 arm_gen_compare_reg.
1634 (indirect_jump): Only accept register operands.
1635 (load_indirect_jump): Keep this pattern since combine can generate
1638 * config/arm/coff.h: Include aout.h.
1639 (MULTILIB_DEFAULTS): Only define if not already defined.
1641 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
1642 into arm.h (so that COFF ports can support thumb based aliases).
1643 (ASM_SPEC): Move definition into arm.h
1645 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
1646 redundant apcs spec.
1647 (ASM_SPEC): Move definition to arm.h
1649 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
1651 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
1652 for entries in the .bss section
1654 2000-03-23 Nick Clifton <nickc@cygnus.com>
1656 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
1657 to thumb_far_jump_used_p.
1659 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
1660 single integer parameter.
1662 * config/arm/arm.c (struct machine_function): Add two new
1663 fields, 'far_jump_used' and 'arg_pointer_live'.
1664 (thumb_far_jump_used_p): Once the decision has been made that
1665 far jumps might be used, always return true.
1666 If being called from the initial elimination offset macro then
1667 do not bother to perform the test if the arg pointer is not
1669 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
1670 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
1672 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
1674 * arm.c (output_return_instruction): Handle more cases where we can
1675 return from a function with an ldr instruction.
1676 (arm_output_epilogue): Likewise.
1678 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
1679 if we need to push a large stack frame and there are no callee-saved
1682 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
1683 in ARM code if the frame pointer has been eliminated.
1685 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
1686 unspec_volatile arguments to avoid duplicates.
1687 (consttable_1, consttable_2): Fixes for big-endian mode.
1689 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
1692 Re-write constant pool code.
1693 * arm.c (minipool_node, minipool_fix): New types.
1694 (minifix): Delete type.
1695 (arm_add_minipool_constant): Delete.
1696 (arm_compute_minipool_offsets, arm_find_barrier,
1697 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
1698 (get_jump_table_size): Now returns HOST_WIDE_INT.
1699 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
1701 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
1702 (assign_minipool_offsets, arm_print_value): Likewise.
1703 (dump_minipool): Rewrite.
1704 (arm_barrier_cost): New function.
1705 (create_fix_barrier): New function.
1706 (push_minipool_barrier): New function.
1707 (push_minipool_fix): Record additional information about the fixup
1709 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
1710 check the mode of what needs fixing.
1711 (arm_reorg): Rewrite.
1713 2000-03-08 Nick Clifton <nickc@cygnus.com>
1715 * config/arm/arm.md (indirect_jump): Force constant addresses into
1718 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
1720 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
1722 2000-02-24 Nick Clifton <nickc@cygnus.com>
1724 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
1725 adjust is word aligned.
1726 (thumb_expand_epilogue): Make sure that stack adjust is word
1729 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
1731 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
1733 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
1734 pointer relative addresses.
1736 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
1738 * arm.c (find_barrier): Find the last barrier within the allowed
1741 2000-02-09 Nick Clifton <nickc@cygnus.com>
1743 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
1745 2000-02-09 Nick Clifton <nickc@cygnus.com>
1747 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
1748 ARM_FUNCTION_PROFILER.
1750 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
1751 ARM_FUNCTION_PROFILER.
1753 * config/arm/linux-oldld.h: Imported from mainline sources.
1755 2000-02-07 Nick Clifton <nickc@cygnus.com>
1757 * config/arm/lib1funcs.asm: Merge in thumb functions from
1760 * config/arm/lib1thumb.asm: Delete.
1762 2000-02-04 Nick Clifton <nickc@cygnus.com>
1764 * config/arm/arm.c: Sychronised with current Red hat local
1766 * config/arm/arm.h: Ditto.
1767 * config/arm/arm-protos.h: Ditto.
1769 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
1771 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
1773 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
1776 2000-02-02 Nick Clifton <nickc@cygnus.com>
1778 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
1780 * config/arm/arm.md (epilogue): Fix rtl checking abort because
1781 (return) was emited using an emit_insn() call.
1783 2000-01-31 Nick Clifton <nickc@cygnus.com>
1785 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
1787 (thumb_exit): Move frame pointer back into hard frame pointer
1788 register if backtracing is being used.
1790 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
1792 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
1795 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
1797 * config/arm/arm.md (neg_pool_offset): Provide default for new
1799 (arm_movsi_insn): Add neg_pool_offset attribute.
1800 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
1801 rtx for the insn that starts the scan and an unsigned long for its
1802 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
1803 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
1804 instructions in *PINSERTED.
1805 (struct minipool_fixup): Add MIN_ADDRESS elt.
1806 (sort_fixups): Compute it.
1807 (arm_reorg): Changes to support inserting pools before the insn to be
1810 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
1812 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
1813 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
1814 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
1816 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
1818 * config/arm/semi.h (TARGET_VERSION): Do not define if already
1820 (TARGET_DEFAULT): Do not define if already defined.
1822 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
1824 * config/arm/arm.md (anddi3): Allow disjoint source operands.
1825 (iordi3): Allow disjoint source operands.
1826 (xordi3): Allow disjoint source operands.
1827 (negdi2): Permit construction for ARM and Thumb.
1828 (arm_negdi2): Renamed version of old negdi2 pattern.
1829 (thumb_negdi2): New pattern: Only permit non-overlapping
1830 source and destination.
1832 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
1834 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
1835 scratch low register so that it will not be deleted.
1837 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
1839 * config/arm/pe.h (ARM_PE): Define.
1841 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
1842 interfacearm attribute if this is a PE toolchain.
1843 (output_return_instruction): Do not emit anything if the function
1844 has the naked attribute set.
1845 (is_called_in_ARM_mode): If the function has the interfacearm
1846 attribute then return true.
1847 (thumb_expand_prologue): Do not generate a prologue for naked
1849 (thumb_expand_epilogue): Do not generate an epilogie for a naked
1851 (output_thumb_prologue): Do not bother if the function is naked.
1852 Strip PE encoding from function name before emitting.
1854 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
1856 * arm.md (pic_load_addr): Fix constraints.
1858 * arm.md (casesi_insn): Fix mis-applied patch.
1860 * arm.md ("core" function unit): Add rules for single- and
1862 (All TARGET_THUMB patterns): Add "type" attribute information
1864 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
1865 the following insn is a CALL.
1867 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
1869 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
1870 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
1871 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
1873 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
1875 * config/arm/linux-gas.h: oops - this file was missed out when the
1876 branch was created...
1878 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
1880 * thumb.c: Deleted. Move contents to ...
1882 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
1884 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
1887 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
1888 declare a prototype for asm_output_align();
1890 * arm.c (thumb_condition_code): Delete.
1891 (arm_print_operand): Always use arm_condition_code array.
1893 * arm.c (thumb_return_addr_rtx): Delete.
1894 (arm_save_machine_status, arm_restore_machine_status): Delete.
1895 (arm_init_machine_status, arm_mark_machine_status): New functions.
1896 (arm_init_expanders): Update accordingly.
1897 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
1898 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
1899 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
1901 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
1903 * configure.in : Fix arm-*-aout target to use new t-arm-aout
1905 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
1908 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
1910 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
1911 stack backtrace structure.
1913 * config/arm/arm-protos.h: Add prototypes for functions defined in
1916 * config/arm/arm.c (arm_override_options): Fix selection of
1917 attributes of default processor.
1919 * config/arm/coff.h: Delete needless #include.
1921 * config/arm/pe.c: Delete unused code.
1923 * config/arm/pe.h (CPP_DEFINES): Delete
1924 (SUBTARGET_CPP_SPEC): Define.
1925 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
1927 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
1929 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
1931 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
1933 (CAN_DEBUG_WITHOUT_FP): Define.
1934 (FIXED_REGISTERS): Make r11 call-saved.
1935 (CALL_USED_REGISTERS): Likewise.
1936 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
1937 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
1938 frame-pointer is required.
1939 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
1940 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
1941 if the target normally needs a stack frame in non-leaf functions.
1942 (use_return_insn): Correct logic for determining when a return
1943 instruction can be used.
1944 (output_return_instruction): Handle the frame-pointer register as
1945 a normal register when not TARGET_APCS_FRAME.
1946 (arm_output_prologue): Likewise.
1947 (arm_output_epilogue): Likewise.
1948 (output_func_epilogue): Likewise.
1949 (arm_expand_prologue): Likewise.
1950 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
1952 * arm.c (use_return_insn): No need to check floating point regs if
1954 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
1955 the code of value stored in the minipool array.
1956 (arm_add_minipool_constant): Likewise.
1958 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1960 * basic-block.h (conflict_graph_enum_fn): K&R fix.
1962 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1964 * tree.c (tree_expr_nonnegative_p): New function.
1966 * tree.h (tree_expr_nonnegative_p): Declare.
1968 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
1969 elide some sign_compare warnings.
1970 (build_conditional_expr): Likewise.
1972 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
1974 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
1976 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
1977 * i386.c (print_operand): Use the proper suffix for a 387 HImode
1978 operand. Abort if a 387 operand has an unsupported size.
1980 2000-04-08 Neil Booth <NeilB@earthling.net>
1982 * cppexp.c (parse_charconst): Null does not end character
1984 * cppinit.c (ISTABLE): Null character handled as whitespace.
1985 * cpplex.c (null_warning): new function.
1986 (skip_string): Emit warning if nulls encountered.
1987 (_cpp_skip_hspace): Emit warning if nulls encountered.
1988 (_cpp_lex_token): Emit warning if nulls encountered. Drop
1992 2000-04-07 Richard Henderson <rth@cygnus.com>
1994 * flow.c (loop_depth): Remove.
1995 (reg_next_use, cc0_live, mem_set_list): Replace with ...
1996 (struct propagate_block_info): New.
1997 (life_analysis): Don't allocate reg_next_use.
1998 (propagate_block_delete_insn): Break out of propagate_block.
1999 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2000 (propagate_block_delete_libcall): Likewise.
2001 (propagate_block): Create a propagate_block_info struct to pass
2002 to subroutines. Allocate one not two temporary regsets. Don't
2003 clobber memory for const calls. Look for clobbers in
2004 CALL_INSN_FUNCTION_USAGE.
2005 (mark_set_regs): Recognize COND_EXEC.
2006 (mark_set_reg): Break out of mark_set_1.
2007 (mark_used_reg): Break out of mark_used_regs.
2008 (mark_used_regs): Recognize COND_EXEC.
2009 (insn_dead_p): Use propagate_block_info struct.
2010 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2011 (find_auto_inc, try_pre_increment_1): Likewise.
2012 (print_rtl_with_bb): Dump regs live at end too.
2013 (count_reg_sets_1): Pass in loop_depth.
2014 (count_reg_sets, count_reg_references): Likewise.
2015 (recompute_reg_usage): Provide it.
2017 2000-04-07 Richard Henderson <rth@cygnus.com>
2019 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2022 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2024 * cpplib.c (do_elif): Skip the rest of the line if we're
2025 not going to bother evaluating it.
2026 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2027 to avoid pointless calls to the lexer.
2029 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2031 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2033 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2035 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2037 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2039 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2041 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2043 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2044 crtend so they can be multilibbed.
2045 (STAGESTUFF): Remove s-crt and s-crtS.
2047 2000-04-07 Richard Henderson <rth@cygnus.com>
2049 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2050 if we discover we need a pseudo and no_new_pseudos is true.
2051 * config/alpha/alpha.md (ne:DI insn): New.
2052 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2054 2000-04-07 Richard Henderson <rth@cygnus.com>
2056 * rtl.def (COND_EXEC): New.
2057 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2058 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2060 * genconfig.c (have_cond_arith_flag): Remove.
2061 (have_cond_exec_flag): New.
2062 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2063 (main): Print HAVE_conditional_execution.
2065 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2066 (sched_analyze_insn, print_pattern): Likewise.
2067 * reload.c (find_equiv_reg): Likewise.
2068 * rtlanal.c (reg_referenced_p): Likewise.
2069 (note_stores, dead_or_set_regno_p): Likewise.
2070 (reg_overlap_mentioned_p): Rewrite to use a switch.
2072 * ggc.h (struct rtx_def): Forward declare.
2074 * print-rtl.c (debug_rtx_range): New.
2075 * rtl.h (debug_rtx_range): Declare.
2077 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2079 * gcse.c (gcse_main): Don't rebuild the CFG here.
2080 (delete_null_pointer_checks): Likewise.
2081 * ssa.c (convert_to_ssa): Likewise.
2082 * toplev.c (rest_of_compilation): Do it here instead. Combine
2083 sequential calls to TIMEVAR. Consistently use `insns' instead of
2084 `get_insns()'. Always split insns after reload when optimizing.
2086 * basic-block.h (merge_blocks_nomove): Declare.
2087 (tidy_fallthru_edge): Declare.
2088 * flow.c (merge_blocks_nomove): Document as merging into previous
2089 blocks. Remove cruft from between blocks; remove all edges out of A.
2090 (tidy_fallthru_edge): Export.
2092 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2094 * ssa.c (compute_conservative_reg_partition): Declare with
2096 * toplev.c (clean_dump_file): Remove previously-deleted function
2097 inadvertantly merged back in.
2098 * conflict.c (conflict_graph_add): Use a single call to
2099 htab_find_slot to look up and insert.
2101 2000-04-06 Richard Henderson <rth@cygnus.com>
2103 * genrecog.c (*): Rename _last_insn to last_insn.
2104 (make_insn_sequence): Set the position of the peephole2 C test
2105 to be at the last insn.
2107 2000-04-06 Richard Henderson <rth@cygnus.com>
2109 * flow.c (compute_flow_dominators): Free worklist.
2111 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2113 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2115 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2117 * rtl.h (INSN_P): New macro.
2118 (successor_phi_fn): New typedef.
2119 (for_each_successor_phi): New prototype.
2120 (in_ssa_form): New variable.
2121 (PHI_NODE_P): Likewise.
2122 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2123 phi nodes in successors.
2124 (mark_used_regs): Add PHI case.
2125 (set_phi_alternative_reg): New function.
2126 (life_analysis): Assert that dead code elimination is not selected
2128 * toplev.c (to_ssa_time): New variable.
2129 (from_ssa_time): Likewise.
2130 (compile_file): Zero to_ssa_time and from_ssa_time.
2131 Print time to convert to and from SSA.
2132 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2133 (print_time): Compute percent fraction as integer.
2134 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2135 (convert_to_ssa): Check if we're already in SSA.
2136 Don't eliminate dead code in life_analysis.
2137 Rerun flow and life analysis at bottom.
2138 (eliminate_phi): Use canonical regnos when adding nodes.
2139 (mark_reg_in_phi): New function.
2140 (mark_phi_and_copy_regs): Likewise.
2141 (convert_from_ssa): Rerun life analysis at top.
2142 Use coalesced partition.
2143 Check for removing a phi node at the end of the block.
2144 (compute_coalesced_reg_partition): New function.
2145 (coalesce_regs_in_copies): Likewise.
2146 (coalesce_reg_in_phi): Likewise.
2147 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2148 (for_each_successor_phi): Likewise.
2149 (rename_context): New struct.
2150 (rename_block): Use a rename_context with rename_insn_1. When
2151 renaming sets of a subreg, emit a copy of the entire reg first.
2152 (rename_insn_1): Treat data as a rename_context *. Save current
2154 (rename_set_data): Add field set_insn.
2155 * Makefile.in (HASHTAB_H): Move up in file.
2156 (OBSTACK_H): New macro.
2157 (collect2.o): Use OBSTACK_H in dependencies.
2158 (sdbout.o): Likewise.
2159 (emit-rtl.o): Likewise.
2160 (simplify-rtx.o): Likewise.
2161 (fix-header.o): Likewise.
2162 (OBJS): Add conflict.o.
2163 (conflict.o): New rule.
2164 * basic-block.h: Include partition.h.
2165 (conflict_graph): New typedef.
2166 (conflict_graph_enum_fn): Likewise.
2167 (conflict_graph_new): New prototype.
2168 (conflict_graph_delete): Likewise.
2169 (conflict_graph_add): Likewise.
2170 (conflict_graph_conflict_p): Likewise.
2171 (conflict_graph_enum): Likewise.
2172 (conflict_graph_merge_regs): Likewise.
2173 (conflict_graph_print): Likewise.
2174 (conflict_graph_compute): Likewise.
2175 * conflict.c: New file.
2177 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2179 * tlink.c (read_repo_files): Don't look for .rpo info for
2182 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2184 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2186 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2188 * config/sh/lib1funcs.asm (___udivsi3_i4):
2189 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2190 only depends on FMOVD_WORKS.
2192 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2194 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2195 make double constant 8-byte aligned.
2197 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2199 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2200 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2201 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2202 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2203 Accept storing GENERAL_REGS into offsetable memory.
2204 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2205 building a TFmode constant other than 0.0L into GENERAL_REGS.
2207 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2209 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2211 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2213 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2214 (macro_cleanup): No need to cast pbuf->macro.
2215 (collect_expansion): Use _cpp_get_define_token. Goto done if
2216 it returns VSPACE. Remove check for trailing space after
2218 (_cpp_create_definition): Don't diddle flags here. Return
2220 (unsafe_chars): Handle c1 being EOF.
2221 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2222 checks. Don't push the buffer till after we're done with
2224 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2225 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2226 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2228 (_cpp_parse_assertion): Don't NUL terminate.
2229 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2230 hspace before calling _cpp_parse_assertion. Remove all sets
2231 of only_seen_white. Treat '\f' as hspace. Don't do anything
2232 special with '\n' here.
2233 (maybe_macroexpand): Handle T_EMPTY hash entries without
2234 pushing a buffer at all.
2235 (cpp_get_token): Handle clearing only_seen_white here. Handle
2236 incrementing the line number here. Clear
2237 potential_control_macro as well as only_seen_white, if
2239 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2240 (_cpp_get_define_token): New function, basically like
2241 _cpp_get_directive_token was but doesn't eat horizontal space.
2242 Don't do anything with only_seen_white here.
2243 (_cpp_get_directive_token): Just call _cpp_get_define_token
2244 repeatedly till it returns non-hspace.
2246 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2247 (conditional_skip, skip_if_group): Return int.
2248 (DIRECTIVE_TABLE): Change origin of all conditional directives
2250 (TRAD_DIRECT_P): New macro.
2251 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2252 an error for a bogus directive, unless -lang-asm. Use
2253 TRAD_DIRECT_P. Loop calling handler functions till one returns
2255 (get_macro_name): Don't diddle flags here.
2256 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2257 Create T_EMPTY nodes for #define macro /* nothing */.
2258 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2259 Use hp->name when calling pass_thru_directive.
2260 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2261 Return the result of conditional_skip and/or skip_if_group.
2262 Don't call _cpp_output_line_command.
2263 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2264 Issue -Wtraditional warnings as appropriate. Don't complain
2265 about unrecognized directives. If we are to stop skipping,
2266 return the number of the directive that ended the skip.
2267 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2268 expansion and line commands while skipping. Return the result
2269 of consider_directive_while_skipping, if nonzero.
2270 (do_endif): Just set potential_control_macro here.
2271 (validate_else): Use _cpp_get_directive_token.
2272 (do_assert, do_unassert): Don't save pointers into the
2273 token_buffer across calls to the lexer. Use
2274 _cpp_get_directive_token.
2276 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2277 pointer, not an offset. Replace 'data', which was a generic
2278 pointer, with 'macro', which points to a struct hashnode.
2279 (cpp_reader): Add 'potential_control_macro' pointer.
2280 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2281 (CPP_BUF_GET, CPP_FORWARD): Delete.
2282 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2283 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2284 ACTIVE_MARK_P): Update.
2285 (_cpp_get_define_token): New internal function.
2286 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2288 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2290 * configure.in: And here.
2291 * configure: Regenerate.
2292 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2293 --enable-libstdcxx-v3 is passed at configure time.
2294 * config.h.in: Regenerate.
2296 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2298 * final.c (final): Use xcalloc to allocate line_note_exists.
2299 * function.c (free_after_compilation): Free the temp_slots.
2300 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2301 (combine_temp_slot): Free temp_slots when they get combined.
2302 (purge_addressof): Fix typo in comment.
2303 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2304 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2306 * ggc.h: Include varray.h.
2307 (ggc_pending_trees): Declare.
2308 (ggc_mark_tree_children): Remove declaration.
2309 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2310 * ggc-common.c (ggc_pending_trees): New variable.
2311 (ggc_mark_roots): Call ggc_mark_trees.
2312 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2313 the ggc_pending_trees.
2314 * Makefile.in (GGC_H): New variable. Use it throughout in place
2317 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2319 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2322 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2324 * sh.c (sh_insn_length_adjustment): New function.
2325 * sh-protos.h (sh_insn_length_adjustment): Declare.
2326 * sh.h (ADJUST_INSN_LENGTH): Use it.
2328 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2330 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2331 from the insn where REG_RETVAL is added.
2332 (emit_no_conflict_block): Ditto.
2334 * md.texi (Standard Names): Clarify when movX is needed.
2336 * combine.c (simplify_comparison) [MINUS]: Do not replace
2337 all (op (minus A B) 0) with (op A B).
2339 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2340 J"orn Rennecke <amylaar@cygnus.co.uk>
2342 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2343 (block_lump_real): Likewise.
2345 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2347 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2348 remaining non-zero debugging masks.
2350 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2352 * basic-block.h (verify_flow_info): Declare.
2353 (flow_loop_outside_edge_p): Declare.
2354 * flow.c (verify_flow_info): Remove declaration.
2355 (clear_log_links, flow_loop_outside_edge_p): Likewise.
2357 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
2359 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
2362 2000-04-05 Jakub Jelinek <jakub@redhat.com>
2364 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
2365 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
2366 seqdi_zero_trunc+1): Allow splits only if registers are
2369 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
2371 * acconfig.h: Add HAVE_GAS_HIDDEN.
2372 * config.in: Regenerated.
2373 * configure.in: Add test for .hidden pseudo-op in gas.
2374 * configure: Regenerated.
2375 * crtstuff.c: Include auto-host.h.
2376 Emit additional .hidden pseudo-op for __dso_handle if the
2377 assembler knows about it.
2379 2000-04-04 Philippe De Muyter <phdm@macqel.be>
2381 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
2382 before freeing argnames.
2383 * cpplib.c (do_ifndef): Cast return value of xstrdup.
2385 2000-04-05 Michael Meissner <meissner@redhat.com>
2387 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
2388 Walton <jonboy@gordian.com> to make memory references with update
2389 work wtih -mregnames.
2391 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2393 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
2394 (regrename_optimize): Rename variables `def_uses' and
2395 `ext_basic_blocks' to avoid conflicts with similarly named
2396 typedefs in traditional C.
2398 * calls.c (initialize_argument_information): Fix typo in previous
2401 2000-04-04 Richard Henderson <rth@cygnus.com>
2403 * regrename.c (consider_available): Test fixed_regs not
2404 PIC_OFFSET_TABLE_REGNUM.
2406 2000-04-04 Geoff Keating <geoffk@cygnus.com>
2408 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
2410 (CRTSTUFF_T_CFLAGS_S): Delete definition.
2411 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
2412 (ENDFILE_LINUX_SPEC): Always use crtend.
2413 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
2414 (powerpc-*-linux-gnu): Likewise.
2415 * configure: Regenerate.
2417 * config/rs6000/eabi.h: Don't include sysv4.h.
2418 (MULTILIB_DEFAULTS): Don't define.
2419 * config/rs6000/eabiaix.h: Don't include eabi.h.
2420 * config/rs6000/eabile.h: Delete.
2421 * config/rs6000/eabilesim.h: Delete.
2422 * config/rs6000/eabisim.h: Don't include eabi.h.
2423 * config/rs6000/linux.h: Don't include sysv4.h.
2424 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
2425 (MULTILIB_DEFAULTS): Don't redefine.
2426 * config/rs6000/rtems.h: Don't include eabi.h.
2427 * config/rs6000/sol2.h: Don't include sysv4le.h.
2428 * config/rs6000/sysv4le.h: Don't include sysv4.h.
2429 * config/rs6000/t-ppc: Delete.
2430 * config/rs6000/t-ppcgas: Correct comment.
2431 * config/rs6000/t-ppcos: Correct comment. Don't build
2432 multilibs for -fPIC, rather use -fPIC -mstrict-align
2434 * config/rs6000/t-ppc: Delete.
2435 * config/rs6000/vxppc.h: Don't include sysv4.h.
2436 * config/rs6000/vxppcle.h: Delete.
2437 * configure.in: Use multiple header files for p2pc ELF targets
2438 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
2439 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
2440 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
2441 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
2442 always available for these platforms.
2444 2000-04-04 Richard Henderson <rth@cygnus.com>
2446 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
2448 2000-04-04 Stan Cox <scox@cygnus.com>
2450 * Makefile.in: Add rules for regrename.o
2451 * regrename.c: New file.
2452 * rtl.h (regrename_optimize): Add prototype.
2453 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
2454 (compile_file, decode_d_option): Add support for -frename-registers.
2455 (rest_of_compilation): Call regrename_optimize.
2456 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
2459 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2461 * Makefile (gccbug): New target.
2462 (doc): Depend on it.
2463 * gcc.texi (Bugs): Link subnodes.
2465 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
2466 Document severities, priorities, and classes in bug form.
2468 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
2470 * cpplex.c (trigraph_map, speccase): Combine into single
2472 (NORMAL, NONTRI): New macros.
2473 (_cpp_read_and_prescan): Change to use unified table. Use
2474 is_hspace to test for whitespace.
2476 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
2477 definition that doesn't provoke the "empty body in an
2478 if-statement" warning.
2480 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
2482 * builtins.c (expand_builtin_strlen): Force the source to
2483 be a memory address.
2485 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2487 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
2489 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2491 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
2492 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
2493 (ECF_IS_CONST): Rename to ECF_CONST.
2494 (special_function_p): Make static, change interface.
2495 (flags_from_decl_or_type, try_to_integrate): Break out from ...
2496 (expand_call) ... here; convert number of variables to flags.
2497 (emit_library_call_vlue_1): Likewise.
2498 (setjmp_call_p): New function.
2499 (initialize_argument_information): Accepts flags as argument;
2501 (precompute_arguments): Likewise.
2502 * tree.h (special_function_p): Remove.
2503 (setjmp_call_p): Add prototype.
2505 2000-04-04 Jakub Jelinek <jakub@redhat.com>
2507 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
2508 so that addresses are offsetable by up to 16 bytes.
2509 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
2510 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
2513 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
2514 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
2515 (movsf): Don't force any constant to memory if target is integer
2517 Move fp_zero_operand check below the const0_rtx check.
2518 (movtf): Likewise. Also allow fp_zero_operand for stores into
2520 (movdf): Likewise. Also allow fp_zero_operand for stores into
2521 memory and into integer hard registers.
2522 (clear_df, clear_dfp, movdf_const_intreg_sp32,
2523 movdf_const_intreg_sp64): Remove.
2524 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
2526 (movdf_no_e_insn_v9_sp32): New pattern.
2527 (movdf_insn_v9only): Remove.
2528 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
2529 (movdf_insn_sp64): Remove.
2530 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
2531 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
2532 (following splits): Rewrite conditions. Add two new splits
2533 for storing 0.0 into memory and registers.
2534 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
2535 (movtf_insn_sp32): Redo constraints and conditions.
2536 (movtf_insn_vis_sp32): New pattern.
2537 (movtf_no_e_insn_sp32): Redo constraints and conditions.
2538 (movtf_insn_hq_sp64): Likewise.
2539 (movtf_insn_hq_vis_sp64): New pattern.
2540 (movtf_insn_sp64): Redo constraints and conditions.
2541 (movtf_insn_vis_sp64): New pattern.
2542 (movtf_no_e_insn_sp64): Redo constraints and conditions.
2543 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
2545 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
2546 -mvis or -m64 to take down the number of various reload patterns.
2548 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
2550 * pa/pa-64.h: New file.
2551 * pa/pa64-regs.h: New file.
2552 * pa/pa64-start.h: New file.
2553 * pa/t-pa64: New file.
2554 * pa/xm-pa64hpux.h: New file.
2556 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2558 * sparc.c (output_restore_regs): Prototype.
2559 (sparc_emit_float_lib_cmp): Constification.
2561 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
2563 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
2566 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
2567 (get_value_hash, hash_rtx): Likewise.
2569 * ssa.c (compute_conservative_reg_partition): Prototype.
2571 * tree.c (mark_hash_entry): Prototype.
2573 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
2575 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
2576 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
2577 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
2579 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
2580 * objc/lang-specs.h: Likewise.
2582 2000-04-03 Neil Booth <NeilB@earthling.net>
2584 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
2585 and SYNTAX_ERROR2. Replace `' in messages with ''.
2586 (op_to_str): Make re-entrant.
2587 (_cpp_parse_expr): Implement new error macros. Use | rather
2588 than || to logically or 2 boolean integers. Simply expression
2589 checking we have a left operand iff needed.
2591 2000-04-03 Nick Clifton <nickc@cygnus.com>
2593 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
2595 2000-04-03 Philip Blundell <philb@gnu.org>
2597 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
2599 2000-04-03 Felix Lee <flee@cygnus.com>
2601 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
2602 (run_shell): Use it.
2604 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
2606 * Makefile.in (stmp-int-hdrs): Make include subdir here...
2607 (stmp-fixproto): ...rather than here.
2609 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
2611 * pa.c (print_operand): Compute 'base' only inside the code paths
2614 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
2616 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
2619 2000-04-03 Philipp Thomas <pthomas@suse.de>
2621 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
2623 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
2625 * Makefile.in (alias.o): Depend on $(TREE_H).
2627 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
2629 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
2631 * cpplib.c (_cpp_handle_directive): Improve warnings for
2632 traditional C and indented directives.
2634 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
2635 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
2636 fixinc/inclhack.def: Indent the # of #include_next one space.
2637 * cp/rtti.c: Un-indent #if and #endif.
2639 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
2640 syntax error, but an error has already been printed.
2641 * cpplex.c (_cpp_parse_assertion): Give a more specific error
2642 message when called with nothing remaining on the line.
2643 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
2644 OTHER token, not an ASSERTION.
2645 * cpplib.c (do_assert): When we create a 'base' node, clear
2646 its aschain pointer.
2648 2000-04-02 Neil Booth <NeilB@earthling.net>
2650 * cppexp.c: New typedef op_t. struct operation and struct
2651 token updated to use it.
2652 (op_to_str): New function.
2653 (_cpp_parse_expr): Error messages modified to use op_to_str.
2655 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2657 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
2658 before checking MUST_PASS_IN_STACK.
2660 2000-04-02 Neil Booth <NeilB@earthling.net>
2662 * cppexp.c: New FINISHED dummy token. Combine operator initial
2663 flags and initial priority into a single constant. New
2664 EQUALITY macro. New operator flag SHORT_CIRCUIT.
2665 (_parse_cpp_expr): Implement new constants. Take left operand
2666 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
2667 parse indicated by reducing FINISHED token. Remove new lines
2668 from cpp_error messages.
2670 2000-04-01 Mark Mitchell <mark@codesourcery.com>
2672 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
2675 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
2677 * cpplib.c: Include symcat.h. Add 'origin' field to struct
2678 directive. Add origin values to DIRECTIVE_TABLE. Generate
2679 the strings and function names on the fly. Take the #sccs
2680 entry out of the table if SCCS_DIRECTIVE is not defined.
2681 (_cpp_handle_directive): Decide if the # was at the beginning
2682 of the line here. Issue -pedantic warnings for extended
2683 directives here. Warn about K+R directives with the #
2684 indented, and C89/extended directives with the # not indented,
2686 (do_import, do_include_next, do_warning, do_ident, do_sccs,
2687 do_assert, do_unassert): Don't issue pedantic warning here.
2689 * cpphash.h: Add CPP_WTRADITIONAL macro.
2690 * cpplib.h (struct cpp_options): Rename warn_stringify to
2691 warn_traditional; update comments.
2692 * cppinit.c (handle_option): Set warn_traditional not
2694 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
2695 CPP_WTRADITIONAL (pfile).
2696 * cpplex.c (_cpp_lex_token): Don't decide if directives should
2697 be ignored in -traditional mode here.
2699 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
2700 to initialize speccase[] and trigraph_map[]. Delete all
2701 references to pfile->input_speccase. Always treat '?' as a
2702 special character. Remove table-initialization code from
2703 _cpp_init_input_buffer.
2705 * cpplib.h (struct cpp_reader): Remove input_speccase field.
2706 * cppinit.c (cpp_cleanup): Don't free input_speccase.
2708 2000-04-01 Richard Henderson <rth@cygnus.com>
2710 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
2711 (mostlyclean): Likewise.
2713 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
2714 (struct dump_file_info, enum dump_file_index, dump_file): New.
2715 (open_dump_file): Take a dump_file_index not a suffix, and a decl
2716 not a string. Clean out file if we havn't yet done so. Do nothing
2717 if the dump isn't enabled.
2718 (close_dump_file): Do nothing if the dump isn't open. Dump
2719 graph data if requested.
2720 (dump_rtl, clean_dump_file): Remove.
2721 (compile_file): Don't clean the dump files. Only finalize .bp dump
2722 if flag_test_coverage or flag_branch_probabilities. Only finalize
2723 .combine dump if optimizing. Iterate over dump_file to finalize the
2725 (rest_of_compilation): Update for open_dump_file/close_dump_file.
2726 Convert all uses of dump_rtl.
2727 (decode_d_option): Iterate over dump_file to implement 'a' and to
2728 locate pass-specific dumps.
2730 2000-04-01 Neil Booth <NeilB@earthling.net>
2732 * cppexp.c: Redefine priority constants.
2733 (_cpp_parse_expr): Replace left and right priority scheme with
2734 single priority logic. Move LOGICAL to same place as COMPARE.
2735 Remove bogus check for multiple unary +/- operators.
2737 2000-04-01 Neil Booth <NeilB@earthling.net>
2739 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
2740 within the switch statement. Binary operations break out of
2741 the switch naturally. '(' tokens handled by forcing
2742 immediate shift. ')' handled by forcing immediate reduce to
2743 the previous '('. New error messages.
2745 2000-03-31 Geoff Keating <geoffk@cygnus.com>
2747 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
2748 part', it's already in use. Use %K instead. Add a return at the
2749 end of what is now %K.
2750 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
2752 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
2754 * builtins.c (expand_builtin_apply): Pass proper parameters to
2755 allocate_dynamic_stack_space.
2756 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
2757 update stack_pointer_delta; do not update arg_size_so_far.
2758 (compute_argument_block_size): Use stack_delta instead of
2759 stack_pointer_pending and arg_size_so_far.
2760 (expand_call): Add sanity checking for stack_pointer_delta;
2761 save and restore stack_pointer_delta for SIB, use
2762 stack_pointer_delta for alignment; do not update arg_space_so_far.
2763 (emit_library_call_value): Use stack_pointer_delta for alignment.
2764 (store_one_arg): Do not update arg_space_so_far.
2765 * explow.c (adjust_stack, anti_adjust_stack): Update
2766 stack_pointer_delta.
2767 (allocate_dynamic_stack_space): Add sanity checking for
2768 stack_pointer_delta.
2769 * expr.c (init_expr, clear_pending_stack_adjust): Clear
2770 stack_pointer_delta.
2771 (emit_push_insn): Update stack_pointer_delta.
2772 * function.h (struct expr_status): Add x_stack_pointer_delta;
2773 remove x_arg_space_so_far.
2774 (arg_space_so_far): Remove.
2775 (stack_pointer_delta): New macro.
2777 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
2779 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
2780 Reorder struct cpp_options and struct cpp_reader for better
2781 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
2782 takes two args. Change all 'char' flags to 'unsigned char'.
2783 Move show_column flag into struct cpp_options. Don't
2784 prototype cpp_options_init.
2785 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
2786 cppinit.c, cpplex.c, cpplib.c:
2787 Replace CPP_OPTIONS (pfile)->whatever with
2788 CPP_OPTION (pfile, whatever), and likewise for
2789 opts = CPP_OPTIONS (pfile); ... opts->whatever;
2791 * cppinit.c (merge_include_chains): Take a cpp_reader *.
2792 Extract CPP_OPTION (pfile, pending) and work with that
2794 (cpp_options_init): Delete.
2795 (cpp_reader_init): Turn on on-by-default options here.
2796 Allocate the pending structure here.
2797 (cl_options, enum opt_code): Define these from the same table,
2798 kept in a large macro. Add -fshow-column and -fno-show-column
2801 * cpperror.c (v_message): If show_column is off, don't print
2804 * cppmain.c: Update for new interface.
2805 * fix-header.c: Likewise.
2807 2000-03-30 Geoff Keating <geoffk@cygnus.com>
2809 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
2811 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
2812 are passed to any invocation of AR_FOR_TARGET.
2813 (AR_CREATE_FOR_TARGET): New macro.
2814 (AR_EXTRACT_FOR_TARGET): New macro.
2815 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
2816 AR_EXTRACT_FOR_TARGET.
2817 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
2818 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
2819 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
2820 AR_EXTRACT_FOR_TARGET to sub-makes.
2822 2000-03-31 Neil Booth <NeilB@earthling.net>
2824 * cppexp.c: Delete SKIP_OPERAND. Correct priority
2826 (_cpp_parse_expr): Check for multiple unary +/- operators.
2827 Correct priorities of ':' and '?'. Treat ')' as having a
2828 value. Ensure conditional expression is not void.
2830 2000-03-31 Mark Mitchell <mark@codesourcery.com>
2832 * alias.c (canon_rtx): Make it global.
2833 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
2835 * cse.c (struct table_elt): Add canon_exp.
2837 (invalidate): Canonicalize expressions only once.
2838 * rtl.h (canon_rtx): Declare.
2840 2000-03-30 Mark Mitchell <mark@codesourcery.com>
2842 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
2843 * alias.c (reg_known_value): Add comments.
2844 (init_alias_analysis): Likewise.
2845 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
2847 (cse_basic_block): Fix typo in comment.
2848 * emit-rtl.c: Include hashtab.h.
2849 (const_int_htab): New variable.
2850 (const_int_htab_hash): New function.
2851 (const_int_htab_eq): Likewise.
2852 (rtx_htab_mark_1): Likewise.
2853 (rtx_htab_mark): Likewise.
2854 (gen_rtx_CONST_INT): Cache all CONST_INTs.
2855 (unshare_all_rtx): Fix formatting.
2856 (init_emit_once): Initialize const_int_htab.
2857 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
2859 * rtl.texi: Document the fact that all CONST_INTs with the same
2862 2000-03-30 Richard Henderson <rth@cygnus.com>
2864 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
2866 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
2868 * configure.in: Comment out --enable-c-cpplib stanza.
2869 * configure: Regenerate.
2871 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2873 * expr.c (store_constructor): Properly compute displacement and
2874 alignment when offset is variable.
2876 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
2877 cases of alignment in bytes.
2879 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
2881 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
2882 since it is used to generate c-parse.y.
2883 * objc-parse.c, objc-parse.y: Regenerated.
2885 * function.c (expand_function_end): Pass alignment argument to
2886 emit_block_move in bits, not bytes.
2888 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2890 * expr.c (move_by_pieces_ninsns): Fix one more missing align
2893 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
2895 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
2896 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
2897 * function.c (assign_parms): Likewise.
2898 * integrate.c (expand_inline_function): Likewise.
2899 * stmt.c (expand_decl): Likewise.
2900 (copy_rtx_and_substitute): Likewise.
2901 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
2902 (clear_by_pieces): Fix error in last change.
2903 * emit-rtl.c (init_emit): Set known registers alignment in bits.
2904 * function.h (regno_pointer_align): Now unsigned.
2905 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
2907 * config/i386/i386.c (aligned_operand): Likewise.
2908 * config/sparc/sparc.c (mem_min_alignment): Likewise.
2909 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
2910 (unaligned_memory_operand): Likewise.
2911 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
2912 Also make alignments and sizes unsigned and some whitespace cleanup.
2913 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
2915 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
2916 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
2917 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
2918 (expand_builtin_memset): Likewise, but to clear_storage.
2919 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
2920 (restore_fixed_argument_area): Likewise.
2921 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
2922 (load_register_parameters): Likewise, to emit_group_load.
2923 (expand_call): Likewise, to emit_group_store and emit_block_move.
2924 (emit_library_call_value_1): Likewise, to emit_block_move.
2925 (store_one_arg): Likewise, and to emit_push_insn.
2926 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
2927 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
2928 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
2929 (emit_block_move, emit_group_load, emit_group_store): Likewise.
2930 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
2931 (expand_assigment, store_expr, store_constructor_field): Likewise.
2932 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
2933 (store_constructor, store_field, get_inner_reference): Likewise.
2934 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
2935 (expand_expr, case COMPONENT_REF): Likewise.
2936 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
2937 and positions; reindent code.
2938 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
2939 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
2940 (assign_parms): Likewise to emit_group_store.
2941 * optabs.c (prepare_cmp_insn): Alignment is in bits.
2942 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
2943 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
2944 (expand_return): Likewise to {extract,store}_bit_field.
2945 * stor-layout.c (get_mode_alignment): Minor cleanup.
2946 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
2947 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
2949 2000-03-29 Nick Clifton <nickc@cygnus.com>
2951 * config/arm/arm.h: Undo effects of previous delta:
2952 (ASM_SPEC): Do not define.
2953 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
2955 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
2958 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
2960 * cppinit.c (cpp_start_read): Call initialize_dependency_output
2961 only after reading in the primary source file.
2963 2000-03-29 Geoff Keating <geoffk@cygnus.com>
2965 * c-common.c (c_common_nodes_and_builtins): The first parameter to
2966 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
2967 or a reference to a va_list.
2968 * builtins.c (stabilize_va_list): Simplify now we don't have to
2969 work around C array address decay.
2970 * c-typeck.c (convert_for_assignment): Handle assignment to
2971 a reference parameter by taking the address of the RHS.
2972 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
2973 (va_copy): Likewise.
2974 (__va_copy): Likewise.
2975 * ginclude/varargs.h (va_start): Likewise.
2976 (__va_copy): Likewise.
2978 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
2980 * i386/djgpp.h: Remove extraneous "+".
2982 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
2984 * calls.c (expand_call): Fix typo in last change.
2986 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
2988 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
2991 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2993 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
2994 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
2995 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
2996 * tree.c (bit_position, byte_position): Likewise.
2997 * tree.h: Declare new functions.
2999 2000-03-29 Nick Clifton <nickc@cygnus.com>
3001 * config/arm/arm.c: Minor formatting changes/
3002 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3004 (ASM_SPEC): Define if not already defined.
3006 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3008 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3011 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3013 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3014 value, don't output it as unsigned.
3016 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3018 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3020 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3022 * c-common.c (c_common_nodes_and_builtins): Don't special case
3023 cplus_mode when declaring builtin bzero/bcmp, always avoid
3024 prototype arguments.
3026 2000-03-29 Bruce Korb <bkorb@gnu.org>
3028 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3031 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3033 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3034 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3035 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3036 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3037 (save_fixed_argument_area, restore_fixed_argument_area):
3038 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3039 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3040 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3041 (precompute_register_parameters): Avoid #ifdefs on
3042 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3043 (stire_one_args): Likewise.
3044 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3045 (emit_library_call_value_1): Likewise.
3046 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3047 ACCUMULATE_OUTGOING_ARGS.
3048 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3050 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3051 (use_crosses_set_p): Likewise.
3052 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3053 #define ACCUMULATE_OUTGOING_ARGS 1.
3054 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3056 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3058 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3059 (TARGET_SWITCHES): Add push-args, no-push-args,
3060 accumulate-outgoing-args and no-accumulate-outgoing-args.
3061 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3062 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3063 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3065 (emit_push_insn): Likewise.
3066 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3067 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3068 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3069 (STACK_DYNAMIC_OFFSET): Define correctly for both
3070 ACCUMULATE_OUTGOING_ARGS and normal mode.
3071 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3072 * tm.texi (PUSH_ARGS): Document.
3073 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3075 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3077 * flags.h (flag_optimize_sibling_calls): Declare.
3078 * calls.c (expand_call): Fail sibcall when
3079 !flag_optimize_sibling_calls
3080 * invoke.texi (flag_optimize_sibling_calls): Document.
3081 * toplev.c (flag_optimize_sibling_calls): New global variable.
3082 (f_options): Add flag_optimize_sibling_calls.
3083 (rest_of_compilation): Conditionize
3084 optimize_sibling_and_tail_recursive_calls by
3085 flag_optimize_sibling_calls.
3086 (main): Set flag_optimize_sibling_calls for -O2.
3087 * stmt.c (expand_return): Conditionize tail recursion by
3088 flag_optimize_sibling_calls.
3090 2000-03-29 Richard Henderson <rth@cygnus.com>
3092 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3093 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3095 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3097 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3099 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3101 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3103 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3104 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3105 * config/rs6000/aix.h: then modified likewise.
3107 2000-03-28 Richard Henderson <rth@cygnus.com>
3109 * rtl.h: Redistribute enum reg_note documentation.
3110 Kill trailing whitespace.
3111 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3112 Kill trailing whitespace.
3114 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3116 * cppfiles.c (hash_IHASH): Just return i->hash.
3117 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3118 htab_find_with_hash.
3119 (cpp_read_file): Likewise.
3120 (find_include_file): Likewise. Properly initialize
3121 ih->nshort. Share ih->name and ih->nshort if possible.
3122 * cpphash.c (_cpp_calc_hash): New function.
3123 (hash_HASHNODE): Just return h->hash.
3124 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3125 htab_find_with_hash.
3126 * cpphash.h: Prototype _cpp_calc_hash.
3127 * cppinit.c (initialize_builtins): Provide a valid hash
3128 to _cpp_make_hashnode, using _cpp_calc_hash.
3130 * cpphash.c (collect_expansion): # is not a special character
3131 in object-like macros. In -traditional mode, /**/ is not
3132 token paste at the beginning or end of the line.
3133 * cpplib.c (do_include, do_import, do_include_next): If
3134 parse_include fails, return immediately.
3136 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3138 * config/arm/arm.md (return peepholes): Update to reflect the new
3140 * config/arm/arm.c (arm_volatile_func): Also check
3141 current_function_nothrow.
3142 (output_return_instruction, output_func_prologue): Use it.
3143 (arm_output_epilogue, arm_expand_prologue): Likewise.
3145 2000-03-27 Tom Tromey <tromey@cygnus.com>
3147 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3150 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3152 * expr.c (store_constructor): SIZE now signed.
3153 For EXPR_SIZE, don't evaluate size; just needed if constant.
3154 * fold-const.c (fold): Fix a number of cases when folded tree is
3156 * function.c (flush_addressof): Reenable.
3157 * tree.h (flush_addressof): Likewise.
3158 * toplev.c (independent_decode_option): Look at strings_processed.
3159 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3161 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3163 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3164 Allow stack adjustment after function call.
3166 * regmove.c (struct csa_memlist): Make mem field rtx *.
3167 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3168 (try_apply_stack_adjustment): Replace whole MEM rtx.
3169 (combine_stack_adjustments_for_block): Update calls
3170 to record_one_stack_ref.
3172 2000-03-28 Neil Booth <NeilB@earthling.net>
3174 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3175 '\\' rather than a null character, so nulls are not special. Fix
3176 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3177 speed trigraph conversion.
3178 (_cpp_init_input_buffer): Initialize trigraph map.
3180 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3182 * config/i386/i386.c (output_387_binary_op): Correct intel
3183 mode assembly output, and add spaces after commas in AT&T
3184 output. Correct Unixware assembler comment. Document input
3185 constraints. Comment fp operations. Reduce profligate buffer
3186 size. Remove extraneous abort. Localize temp var.
3187 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3188 (output_fix_trunc): Add spaces after commas in assembly output.
3190 2000-03-27 Richard Henderson <rth@cygnus.com>
3192 * i386-protos.h (ix86_match_ccmode): Declare.
3193 * i386.c (ix86_match_ccmode): New.
3194 (ix86_expand_fp_compare): Update for pattern renames.
3195 (ix86_expand_strlensi_unroll_1): Likewise.
3196 * i386.h (EXTRA_CC_MODES): Add CCZ.
3197 (SELECT_CC_MODE): Use it for EQ/NE zero.
3198 * i386.md (cmpsi_ccz_1): New.
3200 (*testsi_ccz_1): New.
3201 (testqi_ccz_1): New.
3202 (cmpsi_ccno_1): Rename from cmpsi_0.
3203 (testsi_ccno_1): Rename from testsi_1.
3204 (testqi_ccno_1): Rename from testqi_1.
3205 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3206 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3207 (*cmphi_0): Use ix86_match_ccmode.
3208 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3209 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3210 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3211 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3212 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3213 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3214 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3215 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3216 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3217 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3218 (appropriate peepholes): Likewise.
3219 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3220 (*subsi_3, *subhi_3, *subqi_3): Remove.
3221 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3222 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3223 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3224 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3225 (x86_shift_adj_1): Use CCZ.
3226 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3228 2000-03-27 Stan Cox <scox@cygnus.com>
3230 * resource.h (mark_resource_type): New.
3231 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3232 find_free_register): Use mark_resource_type.
3233 (mark_set_resources): Change include_delayed_effects
3234 to mark_resource_type.
3235 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3236 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3237 Use mark_resource_type.
3239 2000-03-27 Richard Henderson <rth@cygnus.com>
3241 * i386.md (call_pop_0, call_value_pop_0): New.
3242 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3243 (call_value_pop_1): Likewise.
3244 (call_0, call_value_0): New.
3245 (call_1, call_value_1): Remove constraint from unused arg.
3247 2000-03-27 Nick Clifton <nickc@cygnus.com>
3249 * invoke.texi (Spec Files): Document new spec % command created by
3250 Tom Tromey's recent patch.
3252 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3254 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3257 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3259 * expr.c (expand_assignment): Fix typo in last change.
3261 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3263 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3265 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3266 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3267 and DECL_INLINE if FUNCTION_DECL.
3268 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3269 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3270 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3271 (combine_parm_decls): Likewise.
3272 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3273 * print-tree.c (print_node): Likewise.
3274 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3275 DECL_TRANSPARENT_UNION on proper decl types.
3276 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3277 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3278 DECL_BIT_FIELD of FIELD_DECL.
3279 * tree.h (DECL_RESULT_FLD): New macro.
3281 * expr.c (expand_assignment): Add code to handle variable-sized
3284 2000-03-26 Richard Henderson <rth@cygnus.com>
3286 * calls.c (expand_call): Pass parms not original exp to
3287 optimize_tail_recursion. Mind return value instead of looking
3289 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3290 call_expr. Move checks for call_expr and current_function_decl ...
3291 (expand_return): ... here.
3293 2000-03-26 Tom Tromey <tromey@cygnus.com>
3295 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3296 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3298 (process_command): Use them.
3299 (check_live_switch): Likewise.
3300 (give_switch): Skip ignored switches.
3302 2000-03-26 Jan Hubicka <jh@suse.cz>
3304 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3305 for minimal jump pass test.
3307 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3309 * integrate.c (function_cannot_inline_p): Do inline functions that
3312 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3314 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3315 now a list of TREE_LIST entries, not types.
3316 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3318 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3319 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3321 * config/mips/mips.c (function_arg): Likewise; also remove cast
3322 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3323 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3324 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3325 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3326 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3327 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3328 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3329 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3330 num_adjusts now unsigned.
3331 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3332 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3334 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3335 as is BITPOS variable; use host_integerp and int_bit_position.
3336 (function_arg_record_value_2): Likewise.
3337 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3338 Variable REGNO now unsigned.
3339 (function_arg_record_value): NREGS now unsigned.
3341 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3343 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3345 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3347 * Rework fields used to describe positions of bitfields and
3348 modify sizes to be unsigned and use HOST_WIDE_INT.
3349 * alias.c (reg_known_value_size): Now unsigned.
3350 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3351 (really_start_incremental_init): Use bitsize_zero_node.
3352 (push_init_level, pop_init_level, output_init_element): Likewise.
3353 Use bitsize_unit_node and bitsize_one_node.
3354 (output_pending_init_elements, process_init_element): Likewise.
3355 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
3356 (make_extraction): Position and length HOST_WIDE_INT and unsigned
3357 HOST_WIDE_INT, respectively.
3358 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
3359 (num_sign_bit_copies): Returns unsigned.
3360 BITWIDTH now unsigned; rework arithmetic.
3361 Remove recursive call from arg to MAX.
3362 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
3363 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
3365 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
3366 (find_split_point, expand_compound_operation, make_extraction): LEN
3367 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
3368 (make_field_assignment): Likewise.
3369 (combine_simplify_rtx): Add cast.
3370 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
3371 (force_to_mode): WIDTH now unsigned; add cast.
3372 (if_then_else_cond): SIZE now unsigned.
3373 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
3374 (extended_count): Now returns unsigned.
3375 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
3376 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
3377 (simplify_comparison): MODE_WIDTH now unsigned.
3378 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
3379 (mark_used_regs_combine): Likewise; rework arithmetic.
3380 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
3381 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
3382 (record_promoted_value): REGNO now unsigned.
3383 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
3384 (get_last_value): REGNO now unsigned.
3385 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
3386 (reg_dead_regno, reg_dead_endregno): Now unsigned.
3387 (remove_death): Arg REGNO now unsigned.
3388 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
3389 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
3391 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
3392 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
3393 (struct cse_reg_info): REGNO now unsigned.
3394 (cached_regno): Now unsigned.
3395 (REGNO_QTY_VALID_P): Add cast.
3396 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
3397 (remove_invalid_regs): Likewise.
3398 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
3399 as are variables END and I.
3400 (get_cse_reg_info, insert): Likewise.
3401 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
3402 (canon_hash): Likewise.
3403 (insert_regs, lookup_for_remove): REGNO now unsigned.
3404 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
3406 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
3407 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
3408 * emit-rtl.c (subreg_realpart_p): Add cast.
3409 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
3410 (operand_subword_force): Arg I is now unsigned.
3411 * except.c (eh_regs): Variable I is now unsigned.
3412 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
3413 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
3414 length is unsigned HOST_WIDE_INT; likewise for internal variables.
3415 (store_split_bit_field, extract_fixed_bit_field): Likewise.
3416 (extract_split_bit_field, store_bit_field, extract_bit_field):
3418 * expr.c (store_constructor_fields, store_constructor, store_field):
3419 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
3420 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
3421 (do_jump): Likewise.
3422 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
3423 MAX_SIZE is now unsigned.
3424 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
3425 (emit_group_store): Likewise.
3426 (emit_move_insn): I now unsigned.
3427 (store_constructor): Use host_integerp, tree_low_cst, and
3429 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
3430 Rework all calculations to use trees and new fields.
3431 * expr.h (promoted_input_arg): Regno now unsigned.
3432 (store_bit_field, extract_bit_field): Adjust types of pos and size.
3433 (mark_seen_cases): Arg is HOST_WIDE_INT.
3434 * flow.c (verify_wide_reg_1): REGNO now unsigned.
3435 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
3436 precisions and alignments are unsigned.
3437 (optimize_bit_field_compare, fold_truthop): Likewise.
3438 (int_const_binop): Adjust threshold for size_int_type_wide call.
3439 (fold_convert): Likewise.
3440 (size_int_type_wide): Make table larger and fix thinko that only
3441 had half of table used.
3442 (all_ones_mask_p, fold): Precisions are unsigned.
3443 * function.c (put_reg_info_stack): REGNO is unsigned.
3444 (instantiate_decl): Size is HOST_WIDE_INT.
3445 (instantiate_virtual_regs): I is unsigned.
3446 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
3447 (promoted_input_arg): REGNO is unsigned.
3448 * function.h (struct function): x_max_parm_reg is now unsigned.
3449 * gcse.c (max_gcse_regno): Now unsigned.
3450 (struct null_pointer_info): min_reg and max_reg now unsigned.
3451 (lookup_set, next_set): REGNO arg now unsigned.
3452 (compute_hash_table): REGNO and I now unsigned.
3453 (handle_avail_expr): regnum_for_replacing now unsigned.
3454 (cprop_insn): REGNO now unsigned.
3455 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
3456 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
3457 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
3458 * hard-reg-set.h (reg_class_size): Now unsigned.
3459 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
3460 * jump.c (mark_modified_reg): I now unsigned; add cast.
3461 (rtx_equal_for_thread_p): Add cast.
3462 * loop.c (max_reg_before_loop): Now unsigned.
3463 (struct_movable): REGNO now unsigned.
3464 (try_copy_prop): REGNO arg unsigned.
3465 (regs_match_p): XN and YN now unsigned.
3466 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
3467 (strength_reduce): Likewise; NREGS also unsigned.
3468 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
3469 * loop.h (struct iv_class): REGNO now unsigned.
3470 (max_reg_before_loop, first_increment_giv, last_increment_giv):
3472 * machmode.h (mode_size, mode_unit_size): Now unsigned.
3473 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
3474 * optabs.c (expand_binop): I and NWORDS now unsigned.
3475 (expand_unop): I now unsigned.
3476 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
3477 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
3478 * real.c (significand_size): Now returns unsigned.
3479 * real.h (significand_size): Likewise.
3480 * regclass.c (reg_class_size): Now unsigned.
3481 (choose_hard_reg_mode): Both operands now unsigned.
3482 (record_reg_classes): REGNO and NR now unsigned.
3483 (reg_scan): NREGS now unsigned.
3484 (reg_scan_update): old_max_regno now unsigned.
3485 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
3486 * reload.c (find_valid_class): BEST_SIZE now unsigned.
3487 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
3488 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
3489 Likewise for variable R.
3490 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
3491 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
3492 (find_equiv_reg): Add casts.
3493 (regno_clobbered_p): Arg REGNO now unsigned.
3494 * reload.h (struct reload): NREGS now unsigned.
3495 (refers_to_regno_for_reload_p): Regno args are unsigned.
3496 (regno_clobbered_p): Likewise.
3497 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
3498 (compute_use_by_pseudos): REGNO now unsigned.
3499 (find_reg): I and J now unsigned, new variable K, and change loop
3500 variables accordingly; THIS_NREGS now unsigned.
3501 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
3502 (spill_hard_reg): REGNO arg now unsigned; add casts.
3503 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
3504 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
3505 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
3506 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
3507 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
3508 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
3509 (emit_reload_insns): REGNO now unsigned.
3510 (reload_cse_move2add): Add cast.
3511 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
3513 * resource.c (mark_referenced_resources, mark_set_resources): New
3514 variable R; REGNO and LAST_REGNO now unsigned.
3515 (mark_target_live_regs): J and REGNO now unsigned.
3516 * rtl.c (mode_size, mode_unit_size): Now unsigned.
3517 * rtl.h (union rtunion_def): New field rtuint.
3518 (XCUINT): New macro.
3519 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
3520 (operand_subword, operand_subword_force): Word number is unsigned.
3521 (choose_hard_reg_mode): Operands are unsigned.
3522 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
3523 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
3524 (regno_use_in, combine_instructions, remove_death): Likewise.
3525 (reg_scan, reg_scan_update): Likewise.
3526 (extended_count): Return is unsigned.
3527 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
3528 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
3529 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
3530 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
3531 (reg_reg_last_1): FIRS and LAST now unsigned.
3532 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
3533 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
3535 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
3536 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
3537 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
3538 (replace_regs): Arg NREGS now unsigned.
3539 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
3540 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
3541 (simplify_binary_operation): Likewise.
3542 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
3543 THIS_LAST now unsigned.
3544 (cselib_record_set): Add cast.
3545 * ssa.c (ssa_max_reg_num): Now unsigned.
3546 (rename_block): REGNO now unsigned.
3547 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
3549 (all_cases_count): Just return -1 not -2.
3550 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
3551 Rework tests to use trees whenever possible.
3552 Use host_integerp and tree_low_cst.
3553 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
3554 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
3555 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
3556 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
3557 (smallest_mode_for_size): Likewise.
3558 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
3559 KNOWN_ALIGN is now an alignment, so simplify code.
3560 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
3561 (start_record_layout): Renamed from new_record_layout_info.
3562 Update to new fields.
3563 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
3565 (place_union_field): Renamed from layout_union_field.
3566 Update to use new fields in rli.
3567 (place_field): Renamed from layout_field.
3568 Major rewrite to use new fields in rli; pass alignment to layout_decl.
3569 (finalize_record_size): Rework to use new fields in rli and handle
3571 (compute_record_mode): Rework to simplify and to use new DECL fields.
3572 (finalize_type_size): Make rounding more consistent.
3573 (finish_union_layout): Deleted.
3574 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
3575 (layout_type, case RECORD_TYPE): Call new function names.
3576 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
3577 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
3578 (get_best_mode): UNIT is now unsigned; remove casts.
3579 * tree.c (bit_position): Compute from new fields.
3580 (byte_position, int_byte_position): New functions.
3581 (print_type_hash_statistics): Cast to remove warning.
3582 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
3583 (build_index_type): Likewise; make subtype of sizetype.
3584 (build_index_2_type): Pass sizetype to build_range_type.
3585 (build_common_tree_nodes): Use size_int and bitsize_int to
3586 initialize nodes; add bitsize_{zero,one,unit}_node.
3587 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
3588 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
3589 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
3590 (DECL_FIELD_BITPOS): Deleted.
3591 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
3592 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
3593 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
3594 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
3595 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
3596 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
3597 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
3598 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
3599 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
3600 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
3601 (DECL_ALIGN): Adjust to new field in union.
3602 (DECL_OFFSET_ALIGN): New field.
3603 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
3604 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
3605 (union tree_decl): Add struct for both aligns.
3606 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
3607 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
3608 (struct record_layout_info): Rework fields to have offset
3609 alignment and byte and bit position.
3610 (start_record_layout, place_field): Renamed from old names.
3611 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
3612 (byte_position, int_byte_position): Likewise.
3613 (get_inner_reference): Change types of position and length.
3614 * unroll.c (unroll_loop): New variable R; use for some loops.
3615 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
3616 (calculate_giv_inc): Arg REGNO now unsigned.
3617 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
3618 * varasm.c (assemble_variable): Clean up handling of size using
3619 host_integerp and tree_low_cst.
3620 (decode_addr_const): Use byte, not bit, position.
3621 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
3622 use tree_low_cst and int_bit_position.
3623 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
3625 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
3627 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
3628 (reorder_block_def): New members eff_head and eff_end.
3629 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
3630 (verify_insn_chain): New function.
3631 (skip_insns_between_block): Add code to skip deleted insns.
3632 Check for note before using.
3633 (chain_reorder_blocks): Replace calls to skip_insns_between_block
3634 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
3635 Check for note before using.
3636 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
3637 (fixup_reorder_chain): Restructure, clean up, defect removal.
3638 (reorder_basic_blocks): Remove last_insn and references to it.
3639 Moved insn chain verification code into a new function (see above).
3640 Delete defective code that sets last insn.
3641 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
3644 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3646 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
3648 2000-03-24 Richard Henderson <rth@cygnus.com>
3650 * tree.c (lang_safe_for_unsave): Remove.
3651 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
3652 allowing for two levels of unsafeness. Remove lang hook.
3653 * tree.h: Update declarations.
3654 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
3655 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
3656 Always fail sibcalls when there are pending cleanups.
3658 2000-03-24 Geoff Keating <geoffk@cygnus.com>
3660 * flow.c (propagate_block): When we delete an ADDR_VEC,
3661 also delete the BARRIER following it if there is one.
3663 2000-03-24 Richard Henderson <rth@cygnus.com>
3665 * builtins.c (expand_builtin_bzero): Convert `length' argument
3668 2000-03-24 Jakub Jelinek <jakub@redhat.com>
3670 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
3671 comparison if regno's are equal.
3672 * calls.c (initialize_argument_informat): Add ecf_flags argument.
3673 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
3674 (expand_call): Update caller.
3675 Avoid making a sibling call if argument size of the callee is larger
3676 than argument size of the caller.
3677 Call hard_function_value with outgoing set if in sibcall pass.
3678 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
3680 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
3681 Change LEAF_REGISTERS from an array initializer to actual array
3682 identifier. Move static global variable into the function.
3683 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
3684 sequences for leaf functions.
3685 * global.c (global_alloc): Likewise.
3686 * tm.texi (LEAF_REGISTERS): Update documentation.
3688 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
3689 TARGET_FLAT leaf disabling hack.
3690 (LEAF_REGISTERS): Changed from an array initializer to actual array
3691 identifier to avoid duplication and remove the above hack.
3692 (FUNCTION_OK_FOR_SIBCALL): Define.
3693 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
3694 always like call attribute.
3695 (eligible_for_sibcall_delay): New attribute.
3696 (sibcall): New delay type.
3697 (sibcall, sibcall_value, sibcall_epilogue): New expands.
3698 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
3699 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
3700 * config/sparc/sparc.c (sparc_leaf_regs): New array.
3701 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
3703 (output_function_epilogue): Move part of the code into
3704 output_restore_regs.
3705 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
3707 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
3710 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
3711 until infrastructure is finished.
3713 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
3715 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
3716 (save_parm_insns): Not here.
3718 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3720 * builtins.c (expand_builtin_bzero): New function.
3721 (expand_builtin): Handle bzero.
3723 * builtins.def: Add BUILT_IN_BZERO.
3725 * c-common.c (c_common_nodes_and_builtins): Provide builtin
3726 prototype & function for bzero.
3728 2000-03-23 Michael Meissner <meissner@redhat.com>
3730 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
3731 change adding TARGET_FP to the TF floating point insns, except for
3732 trunctfsf2, which generates direct calls to truncdfsf2.
3734 2000-03-23 Geoff Keating <geoffk@cygnus.com>
3736 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
3737 try to protect against middle-end changes that break binary
3739 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
3741 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3743 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
3745 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3747 * calls.c (expand_call): If TARGET is passed by reference and
3748 is readonly, write a CLOBBER.
3750 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3752 * builtins.c (expand_builtin): Handle bcmp.
3754 * builtins.def: Add BUILT_IN_BCMP.
3756 * c-common.c (c_common_nodes_and_builtins): Provide builtin
3757 prototype & function for bcmp.
3759 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
3761 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
3762 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
3763 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
3765 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
3767 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
3768 alternative when using -fp64 -gp32.
3770 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
3772 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
3773 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
3774 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
3776 * frame.h (frame_state): Revert last change.
3777 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
3778 * libgcc2.c (throw_helper): Revert last change.
3780 2000-03-22 Richard Henderson <rth@cygnus.com>
3782 * stmt.c (expand_asm_operands): Don't promote the temporary.
3784 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3786 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
3787 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
3788 c_get_alias_set): Likewise.
3789 * c-decl.c (duplicate_decls): Likewise.
3790 * c-typeck.c (default_conversion,build_unary_op): Likewise.
3791 * calls.c (initialize_argument_information): Likewise.
3792 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
3794 * dwarfout.c (decl_class_context,output_type): Likewise.
3795 * expr.c (get_inner_reference): Likewise.
3796 * fold-const.c (simple_operand_p,fold): Likewise.
3797 * function.c (aggregate_value_p): Likewise.
3798 * stmt.c (expand_asm_operands): Likewise.
3799 * varasm.c (named_section): Likewise.
3801 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
3803 Implement dwarf2 exception handling for the ARM.
3804 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
3805 (DWARF_FRAME_RETURN_COLUMN): Define.
3806 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
3807 REG_FRAME_RELATED_EXPR note.
3808 (emit_sfm): Likewise.
3809 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
3810 * dwarf2out.c (reg_save): Handle saving a register to itself.
3811 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
3812 * except.c (eh_regs): Don't use the static chain reg if it's
3814 * frame.h (frame_state): Add cfa_saved field.
3815 * frame.c (execute_cfa_insn): Set it.
3816 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
3818 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
3820 (instantiate_virtual_regs): Adjust.
3822 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
3823 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
3824 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
3826 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
3827 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
3829 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3831 * builtins.def: New file.
3833 * Makefile.in (TREE_H): Depend on builtins.def.
3835 * builtins.c (built_in_names): Use builtins.def.
3837 * tree.h (built_in_function): Likewise.
3839 2000-03-22 Mark Mitchell <mark@codesourcery.com>
3841 * tree.c (size_in_bytes): Return size_zero_node, not
3844 2000-03-22 Geoff Keating <geoffk@cygnus.com>
3846 * config/fp-bit.c (pack_d): Correct the case when a denormal
3847 is rounded up and stops being denormal.
3849 2000-03-21 Richard Henderson <rth@cygnus.com>
3851 * config/alpha/alpha.c (function_arg): Check for void_type_node
3852 before using MUST_PASS_IN_STACK.
3854 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
3856 * regmove.c (combine_stack_adjustments_for_block): Check that
3857 the stack pointer is a valid memory address.
3859 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
3861 * calls.c: re-install Mar 16 emit_library_call merge.
3863 2000-03-21 Jakub Jelinek <jakub@redhat.com>
3865 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
3866 we cannot be sure that if reload_completed base register will
3867 be properly aligned.
3869 2000-03-21 Richard Henderson <rth@cygnus.com>
3871 * flow.c (delete_block): Fix typo last change.
3873 2000-03-21 Mark Mitchell <mark@codesourcery.com>
3875 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
3876 not COMPLETE_TYPE_P, to check the type of the expression.
3878 2000-03-21 Michael Meissner <meissner@redhat.com>
3880 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
3881 all floating point insns that just tested the macro
3882 TARGET_HAS_XFLOATING_LIBS.
3883 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
3884 used to only use the gprs.
3886 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
3888 * tree.h (COMPLETE_TYPE_P): New macro.
3889 (COMPLETE_OR_VOID_TYPE_P): New macro.
3890 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
3891 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
3892 * c-aux-info.c (gen_type): Use them.
3893 * c-common.c (c_expand_expr_stmt): Likewise.
3894 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
3895 grokdeclarator, grokparms, finish_struct, start_function,
3896 store_parm_decls, combine_parm_decls): Likewise.
3897 * c-parse.y (cast_expr): Likewise.
3898 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
3899 c_size_in_bytes, c_alignof, build_component_ref,
3900 build_indirect_ref, build_array_ref, convert_arguments,
3901 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
3902 * calls.c (initialize_argument_information): Likewise.
3903 * convert.c (convert_to_integer): Likewise.
3904 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
3905 * dwarfout.c (location_or_const_value_attribute,
3906 output_enumeration_type_die, output_structure_type_die,
3907 output_union_type_die, output_type): Likewise.
3908 * expr.c (safe_from_p, expand_expr): Likewise.
3909 * function.c (assign_parms): Likewise.
3910 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
3911 * tree.c (build_array_type, build_function_type,
3912 build_method_type, build_offset_type, build_complex_type): Likewise.
3913 * c-parse.c, c-parse.h: Regenerated.
3915 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3917 * config/c4x/rtems.h: Include config/rtems.h.
3919 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
3921 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
3922 decl is a FUNCTION_DECL
3924 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
3926 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
3927 function uses output registers. Don't save RP for leaf functions.
3928 Do save RP even if no epilogue.
3929 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
3930 (CALL_USED_REGISTERS): Unmark in registers.
3931 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
3934 2000-03-20 Geoff Keating <geoffk@cygnus.com>
3936 * config/rs6000/rs6000.md (bunordered): New expander.
3937 (bordered): New expander.
3938 (buneq): New expander.
3939 (bunge): New expander.
3940 (bungt): New expander.
3941 (bunle): New expander.
3942 (bunlt): New expander.
3943 (bltgt): New expander.
3945 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
3946 (ccr_bit_negated_p): New function.
3947 (print_operand): For %C, generate appropriate cror for UNEQ,
3948 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
3950 2000-03-20 Andreas Jaeger <aj@suse.de>
3952 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
3955 * tree.h (safe_for_unsave): Prototype.
3957 2000-03-20 Richard Henderson <rth@cygnus.com>
3959 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
3960 (combine_stack_adjustments_for_block): Don't allow sp references
3961 in the side of a set we're not fixing up.
3962 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
3963 after life_analysis.
3965 2000-03-20 Richard Henderson <rth@cygnus.com>
3967 * calls.c (expand_call): Don't bother generating tail call
3968 sequences if there are pending cleanups. Use
3969 expand_start_target_temps/expand_end_target_temps to elide
3970 cleanups created during sibcall expansion.
3972 2000-03-20 Geoff Keating <geoffk@cygnus.com>
3974 * configure.in: Set $IFS to a value if it doesn't already have one
3975 in the --enable-checking handling.
3976 * configure: Regenerate.
3978 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3980 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
3981 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
3984 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
3986 * jump.c (delete_noop_moves): Remove code attempting to
3987 combine stack adjustments.
3989 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3991 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
3992 * except.c (emit_cleanup_handler): Use them.
3993 (expand_end_all_catch): Likewise.
3994 * function.c (fixup_var_refs): Likewise.
3995 (expand_function_end): Clear catch_clauses_last.
3996 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
3997 * except.h (struct eh_status): New field x_catch_clauses_last.
3998 (catch_clauses_last): New define.
4000 * Makefile.in (tree.o): Depend on HASHTAB_H.
4001 * tree.c: Include hashtab.h.
4002 (struct type_hash): Remove next field.
4003 (TYPE_HASH_SIZE): Remove.
4004 (TYPE_HASH_INITIAL_SIZE): New define.
4005 (type_hash_table): Change type to htab_t.
4006 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4007 mark_hash_entry): New functions.
4008 (init_obstacks): Allocate type hash.
4009 (type_hash_lookup): Use htab functions.
4010 (type_hash_add, mark_type_hash): Likewise.
4011 (dump_tree_statistics): Call print_type_hash_statistics.
4013 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4015 * rs6000/t-aix41: New file.
4017 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4019 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4021 * tm.texi (Driver): Fix typos and tweak entry for
4023 Move misplaced STRUCT_FORCE_BLK entry ...
4024 (Storage Layout): ... to here.
4025 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4027 2000-03-19 Richard Henderson <rth@cygnus.com>
4029 * flow.c (delete_block): Delete the addr_vec along with the block.
4030 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4033 * fold-const.c (extract_muldiv): Apply type check for defined
4034 overflow to multiply as well as divide.
4036 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4038 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4040 * emit-rtl.c (remove_unncessary_notes): Check that all
4041 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4042 associated NOTE_BLOCK.
4043 * function.h (identify_blocks): Update comments.
4044 (reorder_blocks): Declare.
4045 * function.c (identify_blocks): Don't take paramters.
4046 (reorder_blocks): Don't take parameters.
4047 * loop.h (find_loop_tree_blocks): Remove.
4048 (unroll_block_trees): Likewise.
4049 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4050 reorder_blocks instead of unroll_block_trees.h
4051 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4052 * stmt.c (find_loop_tree_blocks): Remove.
4053 (unroll_block_trees): Likewise.
4054 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4055 in whole-function mode.
4056 * tree.h (reorder_blocks): Remove declaration.
4058 * expr.c: Include intl.h.
4059 * Makefile.in (expr.o): Depend on intl.h.
4061 2000-03-18 Richard Henderson <rth@cygnus.com>
4063 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4065 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4067 * tree.h (tree_index): Remove enumerals for integer types.
4068 (integer_type_kind): New type.
4069 (integer_types): New variable.
4070 (char_type_node): Adjust.
4071 (signed_char_type_node): Likewise.
4072 (unsigned_char_type_node): Likewise.
4073 (short_integer_type_node): Likewise.
4074 (short_unsigned_type_node): Likewise.
4075 (integer_type_node): Likewise.
4076 (unsigned_type_node): Likewise.
4077 (long_integer_type_node): Likewise.
4078 (long_unsigned_type_node): Likewise.
4079 (long_long_integer_type_node): Likewise.
4080 (long_long_unsigned_type_node): Likewise.
4081 * tree.c (integer_types): New variable.
4082 (init_obstacks): Register it as a root.
4084 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4086 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4087 NEXT_INSN. Update last insn in chain.
4089 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4091 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4092 with TYPE_DECL_SUPPRESS_DEBUG set.
4094 2000-03-18 Richard Henderson <rth@cygnus.com>
4096 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4098 2000-03-18 Richard Henderson <rth@cygnus.com>
4100 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4101 care for HALF_PIC_P.
4102 (expander_call_insn_operand): Remove.
4103 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4104 * i386.h (PREDICATE_CODES): Update.
4105 * i386.md (all call expanders): Remove predicates, remove special
4106 handling for half-pic.
4107 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4108 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4109 (sibcall_epilogue): New.
4111 2000-03-17 Richard Henderson <rth@cygnus.com>
4113 * rtlanal.c (single_set): Reject if the parallel has anything
4114 except SET or USE or CLOBBER.
4116 2000-03-17 Jeff Law <law@cygnus.com>
4117 Richard Henderson <rth@cygnus.com>
4119 * Makefile.in (OBJS): Add sibcall.o.
4121 * sibcall.c: New file.
4122 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4123 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4124 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4125 Emit sibcall patterns when requested. Update all callers.
4126 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4127 elimination seems feasable.
4128 * final.c (leaf_function_p): Sibling calls don't discount being
4130 * flow.c (HAVE_sibcall_epilogue): Provide default.
4131 (find_basic_blocks_1): Sibling calls don't throw.
4132 (make_edges): Make edge from sibling call to EXIT.
4133 (propagate_block): Don't remove sibcall_epilogue insns.
4134 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4135 (sibcall_epilogue): New.
4136 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4137 (identify_blocks_1): Likewise. Break out from ...
4138 (identify_blocks): ... here.
4139 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4140 (reorder_blocks): ... here.
4141 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4142 (record_insns): Extend a varray instead of mallocing new memory.
4143 (contains): Read a varray not array of ints.
4144 (sibcall_epilogue_contains): New.
4145 (thread_prologue_and_epilogue_insns): Emit and record
4146 sibcall_epilogue patterns.
4147 (init_function_once): Allocate prologue/epilogue varrays.
4148 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4149 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4151 (save_for_inline_nocopy): ... here.
4152 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4154 (expand_inline_function): ... here.
4155 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4156 (subst_constants): Handle 'n' formats.
4157 * jump.c (jump_optimize_minimal): New.
4158 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4159 optimizations if it's set.
4160 * rtl.c (copy_rtx): Do copy jump & call for insns.
4161 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4162 (SIBLING_CALL_P): New.
4163 (sibcall_use_t): New.
4164 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4165 Invoke optimize_sibling_and_tail_recursive_calls.
4166 * tree.c (lang_safe_for_unsave): New.
4167 (safe_for_unsave): New.
4168 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4170 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4171 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4172 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4174 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4176 * objc/objc-act.c (encode_method_prototype): Pass types, not
4177 PARM_DECLs, to int_size_in_bytes.
4179 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4181 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4183 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4184 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4186 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4188 * Clean up usages of TREE_INT_CST_LOW.
4189 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4190 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4192 * c-tree.h (min_precision): Move declaration to here.
4193 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4194 (build_unary_op, add_pending_init): Use bit_position.
4195 (pending_init_member, process_init_element): Likewise.
4196 (really_start_incremental_init, push_init_level, pop_init_level):
4197 Don't make copies of nodes or modify them in place, use consistent
4198 types when tracking positions, and use tree routines computations.
4199 (set_init_index, output_init_element): Likewise.
4200 (output_pending_init_elements, process_init_element): Likewise.
4201 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4202 tree_low_cst and int_bit_position; also minor cleanup.
4203 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4204 (print_cst_octal): Precision is unsigned.
4205 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4206 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4207 (simple_type_align_in_bits): Result is unsigned int.
4208 Use tree_int_low_cst and host_integerp.
4209 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4210 (field_byte_offset): Result is HOST_WIDE_INT.
4211 Change types of internal variables so alignments are unsigned int,
4212 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4213 Use host_integerp, tree_low_cst, and int_bit_position.
4214 (add_bit_offset_attribute): Likewise.
4215 (add_data_member_location_attribute): Use tree_cst_low.
4216 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4217 (add_bit_size_attribute): Use tree_low_cst.
4218 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4219 * dwarfout.c: Similar changes to dwarf2out.c.
4220 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4221 * genoutput.c (n_occurences): Return -1 for null string.
4222 (strip_whitespace): Accept null string and make into function.
4223 (scan_operands): Reflect above changes.
4224 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4225 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4226 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4227 * tree.c (int_size_in_bytes): Check for too big to represent.
4228 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4229 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4231 (min_precision): Delete from here.
4232 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4233 and int_bit_position.
4234 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4235 (encode_method_def): Likewise.
4236 (build_ivar_list_initializer): Use int_bit_position.
4237 (generate_shared_structures): Convert size.
4238 (encode_type, encode_complete_bitfield): Use integer_zerop.
4239 (encode_bitfield): Use tree_low_cst and int_bit_position.
4241 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4243 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4245 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4247 * call.c (special_function_p): It is only malloc if it returns
4250 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4252 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4253 (C33_FLAG, TARGET_C3X): Add macros.
4254 (TARGET_SWITCHES): Add -m33 option.
4255 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4257 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4259 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4260 (PARALLEL_PACK_FLAG): Delete.
4261 (TARGET_SWITCHES): Update.
4262 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4264 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4266 * fold-const.c (fold): Fix a few cases when the returned result
4267 is not of the same type as the input.
4269 2000-03-16 Nick Clifton <nickc@cygnus.com>
4271 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4274 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4276 * libgcc2.h: Move prototypes above macros with the same name.
4277 Wrap some function prototypes in the conditional which indicates
4278 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4280 2000-03-16 Richard Henderson <rth@cygnus.com>
4282 * calls.c: Revert last two changes.
4284 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4286 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4287 has exponent 0 is a zero.
4289 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4290 HASH may already be nonzero. Add code/mode into hash value
4291 immediately after repeat label.
4292 (cselib_lookup): Don't leave the hash table in an inconsistent
4293 state before a hash lookup operation.
4295 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4297 * i386.md (all HI and QI mode non-move patterns): Conditionize
4298 by TARGET_[HQ]IMODE_MATH.
4299 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4300 x86_promote_qi_regs): Declare.
4301 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4302 TARGET_PROMOTE_QI_REGS): New macros.
4303 (PROMOTE_MODE): New macro.
4304 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4305 x86_promote_qi_regs): New global variables.
4307 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4309 * calls.c (emit_library_call_value_1): Break out from ...; handle
4310 VOIDmode function calls too.
4311 (emit_library_call_value): ... here.
4312 (emit_library_call): Implement by calling emit_library_call_value_1.
4314 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4316 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4317 Update arg_space_so_far on stack adjustments.
4318 (emit_library_call, emit_library_call_value): Likewise; take into
4319 account arg_space_so_far and pending_stack_adjust when calculcating
4322 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4324 * flow.c: Move all basic block reordering code into its own file.
4325 (create_basic_block): Externalize.
4326 * bb-reorder.c: New file. Copy all basic block reordering code from
4327 flow.c to this file.
4328 (reorder_basic_blocks): Fix fencepost error in for-loop.
4329 (reorder_basic_blocks): Remove braces from single statement for-loops.
4330 * basic-block.h: Add declaration for create_basic_block.
4331 * Makefile.in: Add rules for bb-reorder.o.
4333 2000-03-16 Neil Booth <NeilB@earthling.net>
4335 * cppinit.c (handle_option): Implement #unassert directive
4336 as -A- command line option.
4337 (print_help): Update.
4338 * cpptexi.c: Update.
4340 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4342 * md.texi (Standard Names): Document `jump'.
4344 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4346 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4349 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4351 Merge changes from newppc-branch onto trunk.
4353 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4355 * rs6000.c (toc_hash_table): Update for new hash table functions.
4356 (toc_hash_function): Likewise.
4357 (toc_hash_eq): Likewise.
4358 (toc_hash_mark_entry): Likewise.
4359 (toc_hash_mark_table): Likewise.
4360 (output_toc): Likewise.
4361 (rs6000_add_gc_roots): Likewise.
4363 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4365 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
4366 (AR_FLAGS_FOR_TARGET): here. New macro.
4368 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
4370 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
4371 fpmem_operand) Delete.
4373 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
4374 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
4375 (rs6000_save_machine_status, rs6000_restore_machine_status,
4376 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
4377 references to above variables.
4378 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
4379 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
4380 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
4381 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
4382 (XER_REGNO_P, XER_REGNO): New.
4383 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
4384 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
4385 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
4387 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4388 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
4389 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
4391 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4393 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
4394 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
4395 * rs6000.h: from here.
4397 * rs6000-protos.h (rs6000_select_section): Provide prototype.
4398 (rs6000_select_rtx_section): Likewise.
4399 (rs6000_encode_section_info): Likewise.
4400 (sdata_section): Likewise.
4401 (sdata2_section): Likewise.
4402 (sbss_section): Likewise.
4403 * sysv4.h (rs6000_select_section): Delete prototype.
4404 (rs6000_select_rtx_section): Likewise.
4405 (rs6000_encode_section_info): Likewise.
4406 (sdata_section): Likewise.
4407 (sdata2_section): Likewise.
4408 (sbss_section): Likewise.
4409 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
4411 * sysv4.h: Delete various unnecessary #undef's and put a comment
4412 on the remaining ones.
4413 Change various comments according to coding standard.
4415 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
4417 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
4418 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
4419 (CR0_REGNO_P) Remove.
4420 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
4421 setup_incoming_varargs, mtcrf_operation, print_operand,
4422 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
4423 Use the above macros.
4425 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
4427 * config/rs6000/rs6000.md: Added a new alternative for each
4428 pattern that had a 'x' alternative but no 'y' alternative.
4429 Added a new split for each of the above patterns.
4431 2000-02-18 Geoff Keating <geoffk@cygnus.com>
4433 * aix41.h (ASM_CPU_SPEC): Delete.
4434 (CPP_CPU_SPEC): Delete.
4436 * aix.h (RS6000_OUTPUT_BASENAME): Define.
4437 (ASM_OUTPUT_LABEL): Define.
4438 (ASM_GLOBALIZE_LABEL): Define.
4439 (STRIP_NAME_ENCODING): Define.
4440 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
4441 (STRIP_NAME_ENCODING): Don't define.
4442 (ASM_OUTPUT_LABEL): Don't define.
4443 (ASM_GLOBALIZE_LABEL): Don't define.
4444 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
4445 names, and ASM_OUTPUT_LABEL to output labels, rather than
4447 (ASM_OUTPUT_LABEL): Define.
4448 (ASM_OUTPUT_INT): Use assemble_name.
4449 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
4450 (STRIP_NAME_ENCODING): Don't undefine first.
4451 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
4453 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
4454 specified with 'asm' even with -fleading-underscore.
4455 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
4456 (output_epilog): Likewise.
4457 (output_toc): Likewise.
4458 * tramp.asm: Handle -fleading-underscore correctly.
4460 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
4462 (nonlocal_goto_receiver): Delete.
4463 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
4465 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
4466 (SET_ASM_OP): Define.
4467 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
4469 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
4472 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
4473 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
4475 * rs6000.h: Add 'u' to more constants.
4477 2000-02-18 David Edelsohn <edelsohn@gnu.org>
4479 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
4481 2000-02-15 David Edelsohn <edelsohn@gnu.org>
4483 * rs6000.c (reg_or_u_cint_operand): New function.
4484 (logical_operand): Handle 64-bit hosts.
4485 (logical_u_operand): New function.
4486 (non_logical_cint_operand): Handle 64-bit hosts.
4487 (non_logical_u_cint_operand): New function.
4488 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
4489 (PREDICATE_CODES): Define new functions.
4490 * rs6000-protos.h: Declare new functions.
4491 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
4492 (movdi_64): Bracket code intended for 64-bit hosts. Create
4493 CONST_DOUBLE for 32-bit values.
4494 (scc insns): Generate DImode compares.
4495 (mfcr insns): Create DImode versions.
4496 (sge matchers): New patterns.
4498 2000-02-15 Gabriel Paubert <paubert@iram.es>
4500 * rs6000.md: Correct instructions length attributes and
4501 constraints on unsigned compare instructions.
4502 (*ne0): Disable for PowerPC64.
4504 2000-02-11 Geoff Keating <geoffk@cygnus.com>
4506 * rs6000.c (output_function_profiler): Use .long for a 32-bit
4507 quantity, fix profile1.C test failure under -fPIC.
4509 * rs6000.c: Add 'u' to many constants to suppress warnings.
4510 (constant_pool_expr_1): Make static.
4511 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
4512 * rs6000.h: Add 'u' to many constants to suppress warnings.
4514 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
4515 for the start of the TOC, instead of LCTOC..0.
4516 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
4518 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
4519 (load_toc_aix_di): Use LCTOC..1.
4521 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
4522 * rs6000.c (rs6000_legitimize_address): New function from
4523 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
4524 symbols in the constant pool that really are TOC references.
4525 (print_operand_address): For ELF, write TOC offsets under
4526 -fPIC as subtractions in the insn.
4527 (output_toc): For ELF, define symbols in TOC as normal labels,
4529 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
4530 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
4531 (create_TOC_reference): Prototype only when RTX_CODE is defined.
4532 * rs6000.md (movsi): Only use create_TOC_reference on
4533 symbols in the constant pool that really are TOC references.
4535 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
4536 * rs6000.c (rs6000_reorg): Delete.
4537 * rs6000-protos.h (rs6000_reorg): Delete.
4539 2000-02-09 Geoff Keating <geoffk@cygnus.com>
4541 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
4543 * aix.h (SETUP_FRAME_ADDRESSES): Define.
4544 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
4545 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
4546 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
4547 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
4548 rs6000_aix_emit_builtin_unwind_init.
4549 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
4550 rs6000_emit_eh_toc_restore on AIX.
4551 (return_eh_si): Use r2.
4552 (return_eh_di): Use r2.
4554 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
4555 since we're breaking binary compatibility anyway.
4557 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
4559 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
4560 constant_pool_expr_p): Declare them.
4561 (constant_pool_expr_p): Declare it.
4562 * config/rs6000/rs6000.c (toc_label_name): Define.
4563 (rs6000_override_options): Set toc_label_name.
4564 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
4565 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
4566 uses_TOC): New functions.
4567 (print_operand): Delete old '*' case.
4568 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
4569 and strip off rtl for TOC before calling output_addr_const.
4570 (rs6000_emit_load_toc_table): Use toc_label_name.
4571 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
4573 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
4574 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
4575 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
4576 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
4577 into explicit TOC_REGISTER offsets.
4578 (TOC_REGISTER): New macro.
4579 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
4580 TARGET_TOC to reference TOC_REGISTER.
4581 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
4582 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
4583 uses_TOC before emitting label references.
4585 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4587 * rs6000.md (stack_tie): Fix warning.
4589 * eabi-ctors.c: Use 'asm' names for the start/end variables,
4590 to handle -fleading-underscore.
4591 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
4592 (USER_LABEL_PREFIX): New macro.
4593 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
4594 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
4595 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
4596 call-linux can use the same multilibs.
4597 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
4598 and call-linux multilibs. Do multilib with -fleading-underscore.
4599 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
4600 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
4603 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
4604 have MASK_SOFT_FLOAT set.
4605 (CPP_FLOAT_DEFAULT_SPEC): New macro.
4606 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
4607 CPP_FLOAT_DEFAULT_SPEC.
4609 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
4610 * rs6000.md: Whitespace change.
4611 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
4612 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
4614 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4616 * rs6000.md (eh_epilogue): New expander.
4617 (eh_reg_restore): New expand/split/insn combination.
4618 (return_eh_si): New insn.
4619 (return_eh_di): New insn.
4621 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
4622 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
4623 * eabi-ctors.c (__do_global_ctors): Register this object's
4624 frame. Clean up. Call atexit() after the constructors.
4625 (__do_global_dtors): Deregister this object's frame. Clean up.
4626 Allow for recursive calls to exit().
4627 * rs6000.c (fixuplabelno): New variable.
4628 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
4629 TARGET_RELOCATABLE, it slows down exec() under linux.
4630 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
4632 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
4633 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
4634 (ASM_OUTPUT_DWARF_DELTA2): New macro.
4635 (ASM_OUTPUT_DWARF_DELTA4): New macro.
4636 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
4637 (ASM_OUTPUT_DWARF_ADDR): New macro.
4638 (ASM_OUTPUT_DWARF_DATA4): New macro.
4639 (ASM_OUTPUT_DWARF_DATA2): New macro.
4640 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
4641 (ASM_OUTPUT_DWARF_OFFSET): New macro.
4642 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
4644 2000-02-03 Geoff Keating <geoffk@cygnus.com>
4646 * rs6000.c (rs6000_sr_alias_set): New variable.
4647 (rs6000_override_options): Initialise rs6000_sr_alias_set.
4648 (rs6000_emit_stack_tie): New function.
4649 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
4650 in a way that dwarf2out can understand.
4651 (rs6000_frame_related): New function.
4652 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
4653 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
4654 Use rs6000_emit_stack_tie when needed.
4655 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
4656 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
4657 * rs6000.md (stack_tie): New insn.
4658 (return_internal_si): Allow return value to be in the count
4660 (return_internal_di): Likewise.
4662 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
4664 2000-02-03 Geoff Keating <geoffk@cygnus.com>
4666 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
4668 2000-01-31 Geoff Keating <geoffk@cygnus.com>
4670 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
4672 * rs6000.md (stmw): Use the right POWER opcode.
4675 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4677 * rs6000-protos.h: New file.
4679 * rs6000.c: Include tm_p.h. Fix compile time warnings.
4681 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
4684 * sysv4.h: Likewise.
4686 2000-01-28 Geoff Keating <geoffk@cygnus.com>
4688 * ../../configure.in: Delete powerpcle-*-winnt*
4689 and powerpcle-*-pe|powerpcle-*-cygwin*.
4690 * ../../configure: Regenerated.
4692 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
4693 (TARGET_WINDOWS_NT): Delete.
4695 (CALL_NT_DLLIMPORT): Delete.
4696 Delete NT-specific code.
4697 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
4700 * nt-ci.asm: Delete.
4701 * nt-cn.asm: Delete.
4702 * ntstack.asm: Delete.
4704 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4706 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
4707 (ASM_FILE_START): Likewise.
4708 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4709 (ASM_OUTPUT_LABELREF): Likewise.
4710 (ASM_OUTPUT_SKIP): Likewise.
4711 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4712 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4713 (ASM_OUTPUT_CASE_LABEL): Likewise.
4714 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
4715 (ASM_OUTPUT_ASCII): Likewise.
4717 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
4719 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
4720 reload_toc_labelno for non-prologue TOC reloads. Also, don't
4721 increment rs6000_pic_labelno here.
4722 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
4723 and increment rs6000_pic_labelno here.
4725 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
4727 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
4728 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
4729 allocation knows (reg) is dead before the insn.
4731 2000-01-21 Geoff Keating <geoffk@cygnus.com>
4733 * rs6000.md (movsi_to_cr): Correct typo in output template.
4735 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
4737 * rs6000.c (rs6000_pic_labelno): Always define.
4738 (rs6000_pic_func_labelno): Delete.
4739 (lmw_operation): Check for a zero base register,
4740 which doesn't mean what we want.
4741 (stmw_operation): New function.
4742 (print_operand): Define new 'l' modifier.
4743 (rs6000_stack_info): We must save all 64 bits of the registers
4744 if TARGET_POWERPC64.
4745 (rs6000_output_load_toc_table): Delete.
4746 (rs6000_emit_load_toc_table): New function.
4747 (rs6000_allocate_stack_space): Delete.
4748 (rs6000_emit_allocate_stack): New function.
4749 (rs6000_emit_prologue): New function.
4750 (output_prolog): Use rs6000_emit_prologue.
4751 (rs6000_emit_epilogue): Change a few variable names to be
4752 more accurate. Restore all 64 bits of the registers if
4753 TARGET_POWERPC64. Only restore the FP registers which were used
4754 if they are being saved/restored one-at-a-time.
4755 (output_mi_thunk): Delete inefficient code generation.
4756 (output_function_profiler): Don't use rs6000_output_load_toc_table.
4757 * rs6000.h: Declare rs6000_emit_load_toc_table,
4758 rs6000_allocate_stack_space, stmw_operation. Don't declare
4759 rs6000_output_load_toc_table.
4760 * rs6000.md (elf_high): Allow register 0, but discourage it
4762 (elf_low): Support loading into register 0.
4763 (load_toc_aix_si): New pattern.
4764 (load_toc_aix_di): New pattern.
4765 (load_toc_v4_pic_si): New pattern.
4766 (load_toc_v4_pic_di): New pattern.
4767 (load_toc_v4_PIC_1): New pattern.
4768 (load_toc_v4_PIC_1b): New pattern.
4769 (load_toc_v4_PIC_2): New pattern.
4770 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
4771 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
4772 (prologue): New expander.
4773 (movesi_from_cr): New pattern.
4774 (stmw): New pattern.
4775 (save_fpregs_si): New pattern.
4776 (save_fpregs_di): New pattern.
4778 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4780 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
4785 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4787 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
4789 (movsi_got_internal): Likewise.
4790 (movsi_got_internal+1): Likewise.
4791 (set_sp): 'unspec 7' does a SImode clobber.
4793 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4795 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
4796 allocate a stack temporary.
4797 (floatsidf2_internal): Likewise.
4798 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
4800 (floatunssidf2): Don't use the fpmem "register", just
4801 allocate a stack temporary.
4802 (floatunssidf2_internal): Likewise.
4803 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
4805 (floatsidf2_loadaddr): Delete.
4806 (floatsidf2_store1): Delete.
4807 (floatsidf2_store2): Delete.
4808 (floatsidf2_load): Delete.
4809 (fix_truncdfsi2): Don't use the fpmem "register", just
4810 allocate a stack temporary.
4811 (fix_truncdfsi2_internal_si): Delete.
4812 (fix_truncdfsi2_internal_di): Delete.
4813 (fix_truncdfsi2_internal): New insn.
4814 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
4815 (fix_truncdfsi2_store): Delete.
4816 (fix_truncdfsi2_load): Delete.
4817 (fctiwz): Produce gen_fctiwz.
4819 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
4821 * eabi.h (INVOKE__main): Define.
4822 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
4824 (rs6000_emit_prologue): Likewise.
4825 * rs6000.h (struct rs6000_stack): Don't keep track of whether
4826 this is the main program.
4828 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4830 * rs6000.c (rs6000_va_arg): Delete some unused variables.
4832 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4834 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
4835 goes after the argument.
4837 2000-01-12 Geoff Keating <geoffk@cygnus.com>
4839 * rs6000.md: Document 'unspec' values used.
4840 (epilogue): New expander.
4841 (movesi_to_cr_one): New expander.
4842 (movesi_to_cr and following): New pattern.
4844 (return_internal_si): New pattern.
4845 (return_internal_di): New pattern.
4846 (return_and_restore_fpregs_si): New pattern.
4847 (return_and_restore_fpregs_di): New pattern.
4848 * rs6000.h: Declare new functions.
4849 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
4850 rather than rs6000_calls_p.
4851 (rs6000_makes_calls): Delete.
4852 (lmw_operation): New function.
4853 (mtcrf_operation): New function.
4854 (rs6000_emit_epilogue): New function.
4855 (output_epilog): Call rs6000_emit_epilogue and final if
4856 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
4858 2000-01-12 Geoff Keating <geoffk@cygnus.com>
4860 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
4861 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
4862 * aix.h (SUBTARGET_SWITCHES): Document switches.
4863 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
4864 sched-prolog and sched-epilog the same. Document all the
4866 (TARGET_OPTIONS): No longer allow -mdebug-.
4868 2000-01-12 Geoff Keating <geoffk@cygnus.com>
4870 * rs6000.h (ASM_FILE_END): Move to aix.h.
4871 (EXTRA_SECTIONS): Move to aix.h.
4872 (READONLY_DATA_SECTION): Move to aix.h.
4873 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
4874 (SELECT_SECTION): Move to aix.h.
4875 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
4876 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
4877 (LINK_REGISTER_REGNUM): New definition.
4878 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
4879 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
4881 * sysv4.h: Delete the code between the inclusion of rs6000.h
4883 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
4884 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
4885 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
4886 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
4887 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
4888 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
4889 (fix_truncdfsi2_internal_di): New pattern.
4890 (fix_truncdfsi2_store): The second arg here is Pmode too.
4891 (fix_truncdfsi2_load): The second arg here is Pmode too.
4892 (tablejumpdi): Now that switch tables hold only SImode values,
4893 gcc needs to know how to add them to the pc which is DImode.
4894 * rs6000.c (rs6000_stack_info): Use symbolic name for
4895 LINK_REGISTER_REGNUM.
4896 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
4897 (output_toc): Delete unused variables s1 and s2.
4898 (output_ascii): Use fputs not fprintf on a variable string.
4900 2000-01-07 David Edelsohn <edelsohn@gnu.org>
4902 * rs6000.c (processor_target_table): Add power3 as alias for 630.
4903 * aix43.h: Revert Aug 2 change.
4904 (HAS_INIT_SECTION): Define, not visible yet.
4905 (LD_INIT_SWITCH): Define, not visible yet.
4906 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
4908 2000-01-04 Joel Sherrill (joel@OARcorp.com>
4910 * config/rs6000/rtems.h: Include config/rtems.h.
4912 2000-01-04 David Edelsohn <edelsohn@gnu.org>
4914 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
4915 (SLOW_UNALIGNED_ACCESS): Define.
4916 (CASE_VECTOR_MODE): Always use 32-bit offsets.
4917 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
4918 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
4919 (toc_section): Likewise and .toc pseudo-op.
4920 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
4922 (TEXT_SECTION_ASM_OP): Likewise.
4923 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
4926 1999-12-17 Jakub Jelinek <jakub@redhat.com>
4928 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
4929 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
4932 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4934 * rs6000.h: Move more stuff from here...
4936 * sysv4.h: Cleanup accordingly.
4937 * netware.h: Likewise
4939 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4941 * rs6000.h: Continue cleanup.
4944 * netware.h: Likewise.
4946 * sysv4.h: Likewise.
4947 * win-nt.h: Likewise.
4949 * rs6000.h (TARGET_SWITCHES): Add descriptions.
4950 (TARGET_OPTIONS): Likewise.
4952 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
4953 (SUBTARGET_OPTIONS): Likewise.
4955 * rs6000.md: Fix compile time warnings.
4957 2000-01-04 Geoff Keating <geoffk@cygnus.com>
4959 vxworks patches from the Cygnus tree originally by
4960 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
4961 <vmakarov@cygnus.com>.
4962 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
4963 (ENDFILE_SPEC): Likewise.
4964 (LIB_VXWORKS_SPEC): New macro.
4965 (STARTFILE_VXWORKS_SPEC): New macro.
4966 (ENDFILE_VXWORKS_SPEC): New macro.
4967 (LINK_START_VXWORKS_SPEC): New macro.
4968 (LINK_OS_VXWORKS_SPEC): New macro.
4969 (CPP_OS_VXWORKS_SPEC): New macro.
4970 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
4971 * vxppc.h: Rewrite to use proper configuration method.
4972 * vxppcle.h: New file.
4973 * ../../configure.in: Add powerpcle-wrs-vxworks*.
4974 * ../../configure: Rebuilt.
4976 2000-01-04 Geoff Keating <geoffk@cygnus.com>
4978 Lots of changes to rs6000.h, sysv4.h, aix.h,
4979 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
4980 with the aim that rs6000.h is the first header
4981 included and the others override it.
4984 * x-aix41-gld: Remove.
4986 * x-aix41: Remove target-specific switches, and don't specify
4987 -Wl,-bbigtoc as we don't need it any more.
4988 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
4989 Use t-aix43 for AIX 4.3 and above.
4990 * ../../configure: Regenerated.
4992 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
4993 options, that don't do anything yet.
4994 (MASK_SCHED_PROLOG): New macro.
4995 (MASK_SCHED_EPILOG): New macro.
4996 (TARGET_SCHED_PROLOG): New macro.
4997 (TARGET_SCHED_EPILOG): New macro.
4999 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5001 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5002 one per translation unit, not one per function.
5003 (output_toc): Also do duplicate constant elimination
5004 for per-translation-unit TOCs.
5006 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5007 a comment explaining _exactly_ when this pattern gets used.
5008 (builtin_setjmp_receiver): New pattern for better clarity.
5009 (init_v4_pic): Move it into a section dealing with TOC registers.
5011 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5013 * rs6000.c (toc_hash_table): New variable.
5014 (rs6000_hash_constant): New function.
5015 (toc_hash_function): New function.
5016 (toc_hash_eq): New function.
5017 (toc_hash_mark_entry): New function.
5018 (toc_hash_mark_table): New function.
5019 (output_toc): Don't output duplicate TOC entries in
5021 (rs6000_add_gc_roots): Add the hash table as a GC root.
5022 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5023 where they clearly shouldn't be. This may need to be fixed
5024 later when there is a GNU ar for AIX.
5025 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5026 Don't define BOOT_LDFLAGS as it is now not necessary.
5028 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5030 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5031 for va_list on AIX. Use unsigned_char_type_node rather than
5032 constructing our own version on svr4.
5034 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5036 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5037 since patently it's not.
5039 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5041 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5042 define_expand/define_insn pair, and handle restore of the
5043 SVR4 -fpic register.
5045 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5047 * acconfig.h (HAVE_GAS_WEAK): New define.
5048 * configure.in (assembler weak support): Check for .weak support.
5049 * config.in, configure: Rebuilt.
5050 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5051 HAVE_GAS_WEAK is defined.
5053 2000-03-15 Nick Clifton <nickc@cygnus.com>
5055 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5058 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5060 * cppfiles.c (open_include_file): New function.
5061 (find_include_file, cpp_read_file): Use it.
5063 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5065 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5067 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5069 * flow.c (verify_flow_info): Check for unconditional return.
5071 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5073 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5074 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5075 (__ia64_restore_stack_nonlocal): New.
5076 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5078 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5080 * cpphash.c (collect_formal_parameters): Do not complain about
5081 parameter names that just start with `__VA_ARGS__'.
5083 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5085 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5086 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5087 * i386.c (pentiumpro_cost): Set mul cost to 4.
5088 (x86_use_movx): Set for PPro.
5090 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5092 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5093 STACK_BOUNDARY for empty frames now.
5095 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5097 * stor-layout.c (layout_union): Remove.
5098 (layout_union_field): New function, split out from layout_union.
5099 (finish_union_layout): Likewise.
5100 (layout_field): Handle unions by calling layout_union_field.
5101 (finish_record_layout): Handle unions.
5102 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5103 QUAL_UNION_TYPE handling.
5105 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5107 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5108 end of basic block is jump_insn, not barrier; use create_basic_block
5109 instead of creating basic block by hand.
5111 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5113 * flow.c (reorder_basic_blocks): Account for barriers when writing
5114 over NEXT_INSN (last_bb->end).
5115 (verify_flow_info): Add check for missing barriers.
5117 2000-03-14 Greg McGary <gkm@gnu.org>
5119 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5120 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5121 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5122 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5123 __unbounded, __unbounded__): New keywords.
5124 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5125 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5126 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5128 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5130 * cselib.h: New file.
5131 * alias.c: Include "cselib.h".
5132 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5133 MEMs as two new arguments.
5134 (get_addr): New static function.
5135 (find_base_term): Handle VALUEs.
5136 (memrefs_conflict_p): Likewise.
5137 (true_dependence): Call get_addr on the addresses.
5138 Call fixed_scalar_and_varying_struct_p with addresses that have been
5139 passed through get_addr and canon_rtx.
5140 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5141 with true_dependence.
5142 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5143 * loop.c: Include "cselib.h".
5144 (load_mems): Process extended basic block that enters the loop with
5145 cselib. Use that information to change initialization of the shadow
5146 register so that a constant equivalence is seen by later passes.
5147 * reload1.c: Include "cselib.h".
5148 (reload_cse_invalidate_regno): Delete function.
5149 (reload_cse_mem_conflict_p): Likewise.
5150 (reload_cse_invalidate_mem): Likewise.
5151 (reload_cse_invalidate_rtx): Likewise.
5152 (reload_cse_regno_equal_p): Likewise.
5153 (reload_cse_check_clobber): Likewise.
5154 (reload_cse_record_set): Likewise.
5155 (reg_values): Delete static variable.
5156 (invalidate_regno_rtx): Likewise.
5157 (reload_cse_delete_noop_set): New static function.
5158 (reload_cse_simplify): New static function, broken out of
5160 (reload_cse_noop_set_p): Delete unused argument INSN.
5161 Just call rtx_equal_for_cselib_p on set source and destination.
5162 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5163 reload_cse_delete_noop_set. Delete code to keep track of values; use
5164 cselib functions instead. Delete code to push/pop obstacks.
5165 (reload_cse_simplify_set): Use cselib to find equivalent values.
5166 Delete code to push/pop obstacks.
5167 (reload_cse_simplify_operands): Likewise.
5168 * rtl.def (VALUE): New rtx code.
5169 * rtl.h (union rtunion_def): New elt rt_cselib.
5170 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5171 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5172 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5173 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5174 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5175 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5176 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5177 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5178 cselib_record_set, cselib_record_sets): New static functions.
5179 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5180 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5181 references_value_p): New functions.
5182 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5183 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5184 n_useless_values, reg_values, callmem, cselib_obstack,
5185 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5186 New static variables.
5187 * varray.h (union varray_data_tag): New elt te.
5188 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5189 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5192 2000-03-14 Nick Clifton <nickc@cygnus.com>
5194 * gcc.c (do_spec_1): Catch the case where %* is used in a
5195 substitution pattern, but it has not been initialised.
5196 Issue a meaningful error message if an unrecognised operator
5197 is encountered in a spec string.
5199 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5201 * function.c (prepare_function_start): Correctly initialize
5202 cfun->stack_alignment_needed.
5204 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5206 * cppfiles.c (find_include_file): Don't assume nshort is a
5209 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5211 * configure.in (hppa configurations): Add pa32-regs.h to the
5212 list of tm files as appropriate.
5213 * configure: Rebuilt.
5214 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5216 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5217 (fmpyaddoperands, fmpysuboperands): Likewise.
5218 * pa.h: Remove various definitions which depend on knowing
5219 how registers are numbered.
5220 * pa32-regs.h: New file with PA32 register numbering specific
5223 2000-03-14 Richard Henderson <rth@cygnus.com>
5225 * regmove.c (combine_stack_adjustments): New.
5226 (stack_memref_p, single_set_for_csa): New.
5227 (free_csa_memlist, record_one_stack_memref): New.
5228 (try_apply_stack_adjustment): New.
5229 (combine_stack_adjustments_for_block): New.
5230 * rtl.h (combine_stack_adjustments): Declare.
5231 * toplev.c (rest_of_compilation): Call it.
5233 * i386.md: Revert 2000-01-16 change.
5235 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5237 * gccbug.in: Add web category, gcc specific classes.
5239 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5241 * stor-layout.c (finalize_record_size): Fix typo.
5243 2000-03-14 Stan Shebs <shebs@apple.com>
5245 * c-typeck.c (c_alignof): Error on incomplete types.
5246 * extend.texi (Alignment): Document this.
5248 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5250 * cppfiles.c: Include mkdeps.h.
5251 (find_include_file, read_include_file): Remove _cpp_ prefix
5252 from name, make static.
5253 (_cpp_execute_include): New function, broken out of
5256 * cpplib.c: Don't include mkdeps.h.
5257 (struct directive): Remove type field. Reorder entries. The
5258 function takes only one argument.
5259 (struct if_stack): Make type field an int.
5260 (directive_table): Rename to dtable. Generate it, the
5261 prototypes of the directive handlers, and the enum for the
5262 directive numbers, from a template macro.
5263 (do_ifndef, do_include_next, do_import): New functions.
5264 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5265 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5266 do_ident, do_assert, do_unassert, do_sccs): Take only one
5268 (do_sccs): Define always, but alter behavior based on
5270 (_cpp_handle_directive, consider_directive_while_skipping):
5271 Restructure for new directive table layout.
5273 (pass_thru_directive): Take a directive number, not a pointer
5274 to a struct directive.
5275 (parse_include): New function, broken out of do_include.
5276 (do_include, do_import, do_include_next): Use parse_include
5277 and _cpp_execute_include.
5278 (do_elif, do_else): Test for T_ELSE specifically when checking
5279 for #elif/#else after #else.
5280 (parse_ifdef): New function, broken out of do_ifdef.
5281 (validate_else): Expect a name arg without a leading #.
5282 (if_directive_name): Delete.
5283 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5284 directive handlers with only one argument.
5286 * cpphash.h: Update prototypes.
5287 (enum node_type): Remove entries for directives.
5288 * Makefile.in: Update dependencies.
5290 * cpphash.c (dump_hash_helper): Only dump nodes of type
5291 T_MACRO. Emit a newline after each definition.
5293 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5295 * gccbug.in: New file.
5296 * configure.in (all_outputs): Add gccbug.
5297 * Makefile.in (install-common): Install gccbug.
5298 (GCCBUG_INSTALL_NAME): New variable.
5299 * configure: Rebuilt.
5301 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5303 * function.c (put_var_into_stack): Use type_for_mode to calculate
5304 part_type. Use MEM_SET_IN_STRUCT_P.
5305 * expr.c (store_field): Handle CONCAT.
5306 (store_constructor): Use fields_length.
5307 * tree.c (fields_length): New fn.
5308 * tree.h: Declare it.
5310 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5312 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5313 (cpplex.o): New target.
5314 * po/POTFILES.in: Add cpplex.c.
5316 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5317 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5318 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5319 skip_block_comment, skip_line_comment, skip_comment,
5320 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5321 _cpp_parse_name, skip_string, parse_string,
5322 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5323 _cpp_get_directive_token, find_position,
5324 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5325 (maybe_macroexpand, _cpp_lex_token): New functions.
5327 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5328 parse_goto_mark): Delete.
5329 (_cpp_handle_eof): New function.
5330 (_cpp_handle_directive): Rename from handle_directive.
5331 (_cpp_output_line_command): Rename from output_line_command.
5332 (do_if, do_elif): Call _cpp_parse_expr directly.
5333 * cppfiles.c (_cpp_read_include_file): Don't call
5334 init_input_buffer here.
5335 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5336 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5337 here; pop the token_buffer and skip the rest of the line here.
5338 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5341 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5343 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5344 CPP_GOTO_MARK): New macros.
5345 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5346 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5347 _cpp_read_and_prescan, _cpp_init_input_buffer,
5348 _cpp_grow_token_buffer, _cpp_get_directive_token,
5349 _cpp_handle_directive, _cpp_handle_eof,
5350 _cpp_output_line_command): Prototype them here.
5351 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5352 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5353 quote_string, output_line_command): Remove.
5355 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
5357 * stmt.c (expand_end_case): RANGE may be signed, and when checking
5358 whether it is too large we must also verify that it isn't negative.
5360 2000-03-13 Jakub Jelinek <jakub@redhat.com>
5362 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
5363 (movsi_zero_liveg0): Remove.
5364 (movsf_insn_novis_liveg0): Remove.
5366 (negsi2_not_liveg0): Rename to negsi2.
5367 (one_cmplsi2): Remove.
5368 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
5369 (one_cmplsi2_liveg0): Remove.
5370 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
5371 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
5372 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
5373 (PREDICATE_CODES): Remove zero_operand.
5374 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
5375 TARGET_BROKEN_SAVERESTORE.
5376 (zero_operand): Remove.
5377 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
5378 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
5380 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5381 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5382 TARGET_BROKEN_SAVERESTORE): Remove.
5383 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5385 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5387 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5390 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
5392 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5394 * cpplib.c (do_pragma_implementation): Fix off-by-one error
5395 truncating a string. Don't assume tokens are nul terminated.
5396 Problem noted by Andreas Jaeger <aj@suse.de>
5398 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5400 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
5401 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
5402 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
5404 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
5406 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
5407 STRUCTURE_SIZE_BOUNDARY.
5409 2000-03-13 Mark Mitchell <mark@codesourcery.com>
5411 * tree.h (record_layout_info_s): New structure.
5412 (record_layout_info): New type.
5413 (new_record_layout_info): New function.
5414 (layout_field): Likewise.
5415 (finish_record_layout): Likewise.
5416 * stor-layout.c (layout_record): Remove.
5417 (new_record_layout_info): New function.
5418 (layout_field): New function, broken out from layout_record.
5419 (finalize_record_size): Likewise.
5420 (compute_record_mode): Likewise.
5421 (finalize_type_size): New function, broken out from layout_type.
5422 (finish_record_layout): Likewise.
5423 (layout_type): Use them.
5425 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5427 * cpphash.c: Don't include version.h.
5428 (special_symbol) [case T_VERSION]: Look for the string in
5429 hp->value.cpval; don't use version_string.
5430 * cppinit.c (initialize_builtins): Set hp->value.cpval for
5431 __VERSION__ to version_string.
5432 * Makefile.in (cpphash.o): Update deps.
5434 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5436 Convert cpplib to use libiberty/hashtab.c.
5438 * cpplib.h (struct cpp_reader): Make hashtab and
5439 all_include_files of type 'struct htab *'. Delete HASHSIZE
5440 and ALL_INCLUDE_HASHSIZE macros.
5442 * cpphash.h: Update prototypes.
5443 (struct hashnode): Remove next, prev, and bucket_hdr members.
5444 Make length a size_t. Add hash member.
5445 (struct ihash): Remove next member. Add hash member. Make
5446 name a flexible array member.
5448 * cppfiles.c: Include hashtab.h.
5449 (include_hash): Delete.
5450 (IHASHSIZE): New macro.
5451 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
5452 (cpp_included): Do the hash lookup here.
5453 (_cpp_find_include_file): Rewrite.
5454 (cpp_read_file): Put the "fake" hash entry into the hash
5455 table. Honor the control_macro, if it turns out we've seen
5456 the file before. Don't push the buffer here.
5457 (_cpp_read_include_file): Push the buffer here.
5458 (OMODES): New macro. Use it whenever we call open(2).
5460 * cpphash.c: Include hashtab.h.
5461 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
5462 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
5463 _cpp_lookup_slot): New functions.
5464 (HASHSIZE): new macro.
5465 (hashf, _cpp_install, _cpp_delete_macro): Delete.
5466 (_cpp_lookup): Use hashtab.h routines.
5468 * cppinit.c: Include hashtab.h.
5469 (cpp_reader_init): Call _cpp_init_macro_hash and
5470 _cpp_init_include_hash. Don't allocate hashtab directly.
5471 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
5472 pfile->all_include_files.
5473 (initialize_builtins): Use _cpp_make_hashnode and
5474 htab_find_slot to add hash entries.
5475 (cpp_finish): Just call _cpp_dump_macro_hash.
5476 * cpplib.c: Include hashtab.h.
5477 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
5478 create hash entries.
5479 (do_pragma_poison, do_assert): Likewise.
5480 (do_include): Don't push the buffer here. Don't increment
5481 system_include_depth unless _cpp_read_include_file succeeds.
5482 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
5484 (do_pragma_implementation): Use alloca to create copy.
5486 * Makefile.in: Update dependencies.
5488 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5490 * cppinit.c (cl_directive_handler): More K&R fixing.
5492 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
5494 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
5496 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
5498 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5500 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
5501 Change from char[] to macros.
5503 2000-03-12 Neil Booth <NeilB@earthling.net>
5505 * cppinit.c (cpp_start_read): Update indirect function
5508 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
5510 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
5513 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5514 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
5516 2000-03-11 Neil Booth <NeilB@earthling.net>
5518 * cppinit.c (struct pending option): Replace undef with a
5519 pointer to a directive handling routine.
5520 (struct cpp_pending): Replace separate assert_ and define_
5521 lists with one directive_ list.
5522 (new_pending_define): Rename new_pending_directive. Extra
5523 argument is the directive's handling routine.
5524 (handle_option): Update to use new_pending_directive.
5526 2000-03-11 Neil Booth <NeilB@earthling.net>
5528 * cppfiles.c (file_cleanup, _cpp_find_include_file,
5529 remap_filename, _cpp_read_include_file, actual_directory,
5530 hack_vms_include_specification): Replace bcopy(), index() etc
5531 calls. Add casts to some allocations. Make some variables
5532 pointers to const [unsigned] char.
5533 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
5534 collect_formal_parameters): Similarly.
5535 * cppinit.c (struct pending_option, append_include_chain,
5536 cpp_options_init, cpp_reader_init, initialize_standard_includes,
5537 cpp_start_read, new_pending_define, handle_option): Similarly.
5538 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
5539 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
5540 do_pragma_implementation, detect_if_not_defined,
5541 do_ifdef, skip_if_group, cpp_get_token, parse_string,
5542 do_assert, do_unassert): Similarly.
5543 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
5544 function prototypes.
5545 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
5547 2000-03-10 Richard Henderson <rth@cygnus.com>
5549 * builtins.c (expand_builtin_strlen): Revert last change.
5550 Use emit_insn_before if we're at the beginning of a sequence.
5552 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
5554 * builtins.c (expand_builtin_strlen): Make sure that we have something
5555 at the beginning of the sequence.
5557 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
5560 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
5562 2000-03-10 Richard Henderson <rth@cygnus.com>
5564 * except.c (can_throw): Use INTVAL on a CONST_INT.
5565 (reachable_handlers): Likewise.
5566 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
5568 2000-03-10 Andreas Jaeger <aj@suse.de>
5570 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
5571 MD_STARTFILE_PREFIX since those are not needed on linux.
5572 (ASM_FILE_START): New, from mips/gnu.h.
5574 2000-03-09 Richard Henderson <rth@cygnus.com>
5575 Alex Samuel <samuel@codesourcery.com> and others
5577 * Makefile.in (ssa.o): New rule.
5579 (STAGESTUFF): Add *.ssa and *.ussa.
5580 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
5581 * rtl.def (PHI): New RTL expression.
5582 * rtl.h (clear_log_links): New declaration.
5583 (convert_to_ssa): Likewise.
5584 (convert_from_ssa): Likewise.
5585 * flow.c (split_edge): If the entry node falls through to the
5586 split edge's source block, split the entry edge.
5587 (clear_log_links): New function.
5588 * toplev.c (ssa_dump): New variable.
5589 (flag_ssa): Likewise.
5590 (f_options): Add "ssa".
5591 (compile_file): Create SSA dump files.
5592 (rest_of_compilation): Go to and from SSA if enabled.
5593 (decide_d_option): Handle -de for SSA dump files.
5596 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
5598 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
5601 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
5603 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
5605 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
5607 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
5608 (MD_STARTFILE_PREFIX_1): New macro.
5610 2000-03-09 Robert Lipe <robertl@sco.com>
5612 * config/ia64/ia64.c: Include system.h.
5614 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5616 * except.c (nothrow_function_p): If -fno-exceptions, just return.
5617 (init_eh_nesting_info): Likewise.
5619 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
5620 (TREE_NOTHROW): Rename from TREE_RAISES.
5621 * toplev.c (rest_of_compilation): Set it.
5622 * print-tree.c (print_node): Adjust.
5623 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
5624 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
5625 * calls.c (emit_call_1): Add 'nothrow' parm. Add
5626 REG_EH_REGION note as appropriate.
5627 (libfunc_nothrow): New fn.
5628 (emit_library_call, emit_library_call_value): Use it.
5629 (expand_call): Check TREE_NOTHROW.
5631 * varasm.c (make_decl_rtl): Skip initial '*' when setting
5632 DECL_ASSEMBLER_NAME.
5634 2000-03-09 Andreas Jaeger <aj@suse.de>
5636 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
5637 (TARGET_MEM_FUNCTIONS): Define.
5639 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5641 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
5643 * except.c (can_throw): See through a SEQUENCE.
5644 (nothrow_function_p): New fn.
5645 * except.h: Declare it.
5646 * function.c (current_function_nothrow): New var.
5647 (prepare_function_start): Initialize it.
5648 * output.h: Declare it.
5649 * toplev.c (rest_of_compilation): Set it.
5650 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
5652 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
5654 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
5655 match. (cpp_compare_defs): Count the nul separator when
5656 advancing over argument names.
5658 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
5660 * recog.c (preprocess_constraints): Matching constraints affect
5661 same alternative/different operand, not same operand/different
5664 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
5665 register and a constant specially.
5667 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5669 * libgcc2.h: New file.
5670 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
5672 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
5674 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
5675 * configure: Regenerate.
5678 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
5680 * Makefile.in (LIBCPP_DEPS): New macro.
5681 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
5683 * cpperror.c: Include cpphash.h.
5684 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
5686 (lex): Don't use CPP_WARN_UNDEF.
5687 (_cpp_parse_expr): Return an int, the truth value.
5688 * cppfiles.c: Include cpphash.h.
5689 (_cpp_merge_include_chains): Move to cppinit.c and make static.
5690 * cppinit.c (include_defaults_array): Disentangle.
5691 (cpp_cleanup): Don't free the if stack here.
5692 (cpp_finish): Pop off all buffers, not just one.
5693 * cpplib.c (eval_if_expr): Return int.
5694 (do_xifdef): Rename do_ifdef.
5695 (handle_directive): Don't use CPP_PREPROCESSED.
5696 (cpp_get_token): Don't use CPP_C89.
5697 * fix-header.c: Don't use CPP_OPTIONS.
5699 * cpplib.h: Move U_CHAR, enum node_type, struct
5700 file_name_list, struct ihash, is_idchar, is_idstart,
5701 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
5702 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
5703 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
5704 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
5705 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
5706 of _cpp_simplify_pathname, _cpp_find_include_file,
5707 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
5708 Move struct if_stack to cpplib.c. Move struct cpp_pending to
5710 Change all uses of U_CHAR to be unsigned char instead.
5711 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
5713 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
5715 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
5716 (dwarf2out_begin_prologue): Set it.
5717 (output_call_frame_info): Don't emit EH unwind info for leaves.
5719 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
5720 can occur outside of an EH region.
5721 * except.c: Correct comments about rethrow behavior.
5722 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
5724 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
5726 * flow.c (make_edges): Always call make_eh_edge for calls.
5728 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
5730 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
5731 (struct cpp_buffer): Remove fname and underflow fields.
5732 (struct cpp_reader): Remove get_token field.
5733 (struct include_hash): Rename to struct ihash. Add typedef to
5735 (struct if_stack): Remove fname field.
5736 (IF_STACK_FRAME): Rename to IF_STACK.
5738 * cpperror.c (print_containing_files): Trust that there are no
5739 macro buffers below the top file buffer.
5740 * cppfiles.c: Replace all references to 'struct include_hash'
5741 with 'IHASH'. Rename initialize_input_buffer to
5742 init_input_buffer. Don't set or reference cpp_buffer->fname,
5743 use buffer->ihash->name instead.
5744 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
5745 not CPP_NULL_BUFFER.
5746 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
5747 IF_STACK_FRAME, IHASH not struct include_hash.
5748 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
5749 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
5750 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
5751 references to cpp_buffer->fname (delete entirely, or use
5752 ->ihash->name instead) and IF_STACK->fname.
5753 (cpp_push_buffer): Don't set new->underflow.
5754 (do_include): Use cpp_file_buffer.
5756 * cpphash.c (collect_formal_parameters): Remove duplicate
5757 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
5758 used as a macro argument name. Don't append "..." to namebuf
5759 for varargs macros. After we're done scanning, go through
5760 namebuf and make it NUL separated, not comma separated.
5761 (_cpp_compare_defs): Remove register tag from variables.
5762 Expect defn->argnames to be NUL separated.
5763 (_cpp_dump_definition): Expect defn->argnames to be NUL
5764 separated and in forward order.
5765 * cpphash.h: Update documentation of argnames field.
5767 2000-03-08 Richard Henderson <rth@cygnus.com>
5769 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
5770 to fail. Don't pre-expand the source operand.
5772 * i386.md (strlensi): Initialize eoschar and align before use.
5774 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
5776 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
5777 CONSTRUCTOR element.
5779 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
5781 * mips.c (mips_expand_prologue): If the last
5782 named argument is the vararg marker "va_list", treat it as
5783 an unnamed argument.
5785 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
5787 * dbxout.c (dbxout_parms): When correcting for promoted
5788 big-endian parameters, use the mode of the DECL_RTL rather
5789 than UNITS_PER_WORD.
5791 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
5793 * c-common.h (make_fname_decl): Declare.
5794 * c-common.c (make_fname_decl): Define.
5795 (declare_hidden_char_array): Remove.
5796 (declare_function_name): Use make_fname_decl.
5797 * c-decl.c (c_make_fname_decl): New function.
5798 (init_decl_processing): Set make_fname_decl.
5800 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
5802 * cccp.c (handle_directive): Initialize backslash_newlines_p.
5804 2000-03-07 Philipp Thomas <pthomas@suse.de>
5806 * po/POTFILES.in: Remove cppalloc.c from file list.
5808 2000-03-07 Steve Chamberlain <sac@pobox.com>
5810 * pj.c (pj_expand_prologue): current_function->args_info is
5811 now current_function_args_info.
5813 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
5814 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
5815 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
5817 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5819 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
5820 output as hexadecimal rather than the default octal.
5822 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
5824 * cpphash.c (special_symbol): Fix thinko in previous commit.
5826 2000-03-07 Neil Booth <NeilB@earthling.net>
5828 * cppexp.c (struct operation, left_shift, right_shift,
5829 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
5830 "int"s to "unsigned int"s.
5831 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
5833 * cpplib.h: Update for above.
5834 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
5835 returned from allocations.
5837 * cppinit.c (opt_comp, parse_options): New functions.
5838 (handle_option): Use parse_option to parse a single command
5839 line option, that possibly takes an argument.
5840 (cpp_handle_options): Sort the array of command line options on
5841 first invocation (non-ASCII hosts only).
5842 (print_help): Update.
5844 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
5846 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
5847 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
5849 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
5851 * cppinit.c (cpp_cleanup): Free imp->nshort also.
5853 * cpperror.c (cpp_print_containing_files,
5854 cpp_print_file_and_line, v_cpp_message): Rename to
5855 print_containing_files, print_file_and_line, and v_message.
5856 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
5857 to _cpp_parse_expr, parse_escape, and lex.
5858 (parse_charconst): Remove broken multibyte support.
5859 * cppfiles.c (include_hash): Make static.
5860 (cpp_included): New function.
5861 (merge_include_chains, find_include_file, finclude,
5862 simplify_pathname): Rename to _cpp_merge_include_chains,
5863 _cpp_find_include_file, _cpp_read_include_file, and
5864 _cpp_simplify_pathname.
5865 * cpphash.c (cpp_lookup, free_definition, delete_macro,
5866 cpp_install, create_definition, macroexpand, compare_defs,
5867 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
5868 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
5869 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
5870 * cppinit.c (cpp_handle_option): Rename to handle_option, make
5872 * cpplib.c: Remove extern prototype of cpp_parse_expr.
5874 * cpphash.h: Update prototypes.
5875 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
5877 2000-03-07 Andrew Haley <aph@cygnus.com>
5879 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
5880 PTRDIFF_TYPE should be based solely on Pmode.
5883 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5885 * rtl.h (rtunion_def): Constify member `rtstr'.
5886 (emit_line_note_after, emit_line_note, emit_line_note_force,
5887 emit_note, decode_asm_operands): Constify.
5889 * cse.c (canon_hash): Likewise.
5891 * dbxout.c (dbxout_block): Likewise.
5893 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
5894 v_warning_for_asm): Likewise.
5896 * dwarfout.c (function_start_label): Likewise.
5898 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
5899 emit_line_note_force): Likewise.
5901 * final.c (last_filename, asm_insn_count, final_scan_insn,
5902 output_source_line): Likewise.
5904 * function.h (struct emit_status): Likewise.
5906 * gcse.c (hash_expr_1): Likewise.
5908 * genattr.c (gen_attr, main): Likewise.
5910 * genattrtab.c (struct function_unit, current_alternative_string,
5911 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
5912 attr_numeral, check_attr_test, check_attr_value,
5913 convert_set_attr_alternative, convert_set_attr,
5914 compute_alternative_mask, simplify_by_exploding, gen_attr,
5915 gen_unit): Likewise.
5917 * genflags.c (gen_insn): Likewise.
5919 * gengenrtl.c (type_from_format): Likewise.
5921 * genopinit.c (gen_insn): Likewise.
5923 * genoutput.c (n_occurrences, process_template, process_template):
5926 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
5929 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
5932 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
5933 ggc_set_mark, ggc_get_size): Likewise.
5935 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
5937 * optabs.c (init_one_libfunc): Likewise.
5939 * output.h (assemble_start_function): Likewise.
5941 * recog.c (decode_asm_operands): Likewise.
5943 * toplev.c (rest_of_compilation): Likewise.
5945 * tree.h (emit_line_note_after, emit_line_note,
5946 emit_line_note_force): Likewise.
5948 * varasm.c (asm_output_bss, asm_output_aligned_bss,
5949 asm_emit_uninitialised, assemble_start_function,
5950 assemble_variable, const_hash, compare_constant_1,
5951 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
5953 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
5955 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
5957 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
5959 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
5961 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
5962 arm_dllimport_name_p): Likewise.
5964 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
5967 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
5969 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5971 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
5972 arm_mark_dllexport, arm_mark_dllimport,
5973 arm_pe_encode_section_info): Likewise.
5975 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
5976 ASM_FINISH_DECLARE_OBJECT): Likewise.
5978 * arm/thumb.c (thumb_function_prologue): Likewise.
5980 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
5982 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5984 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
5986 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
5988 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
5990 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
5992 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
5993 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
5995 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
5997 * i386/i386.c (asm_output_function_prefix): Likewise.
5999 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6001 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6003 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6005 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6006 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6007 ASM_OUTPUT_SECTION_NAME): Likewise.
6009 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6011 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6013 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6015 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6017 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6019 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6021 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6023 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6025 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6027 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6029 * mips/mips.md (movdi, movsi): Likewise.
6031 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6033 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6035 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6037 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6038 ASM_OUTPUT_ASCII): Likewise.
6040 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6041 output_mi_thunk, output_toc): Likewise.
6043 * rs6000/rs6000.md (movsi): Likewise.
6045 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6047 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6049 * v850/v850.c (print_operand, print_operand_address,
6050 v850_encode_data_area): Likewise.
6052 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6054 * config/mips/mips.md (zero_extendsidi2): Always force operand
6055 one to memory for mips16.
6057 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6059 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6060 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6061 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6062 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6063 (min_precision): Result is unsigned.
6064 (add_double, neg_double, mul_double): Low word is unsigned.
6065 (lshift_double, rshift_double, lrotate_double): Likewise.
6066 (rrotate_double, div_and_round_double): Likewise.
6067 (tree_floor_log2, compare_tree_int): New functions.
6068 (preserve_rtl_expr_temps): New declaration.
6069 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6070 (decl_attributes): Use tree_log2 to find alignment.
6071 Check for TREE_INT_CST_HIGH for format args.
6072 (min_precision): Now unsigned.
6073 Use tree_floor_log2.
6074 (truthvalue_conversion): Delete long-disabled code.
6075 * c-decl.c (finish_struct): Clean up tests on field width.
6076 (finish_function): Use compare_tree_int.
6077 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6078 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6079 (default_conversion, digest_init): Use compare_tree_int.
6080 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6081 Fix type errors in forming masks.
6082 * calls.c (initialize_argument_information): Use compare_tree_int.
6083 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6084 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6085 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6086 (store_field): Use compare_tree_int.
6087 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6088 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6089 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6090 (do_store_flag): Use compare_tree_int.
6091 * fold-const.c (encode, decode): Low part is always unsigned.
6092 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6093 (lshift_double, rshift_double, lrotate_double): Likewise.
6094 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6095 (fold_convert): Use compare_tree_int.
6096 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6097 (invert_truthvalue, case INTEGER_CST): Likewise.
6098 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6099 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6100 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6101 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6103 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6104 (expand_end_case): Use compare_tree_int.
6105 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6106 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6107 (layout_decl): Likewise.
6108 (layout_record, layout_union): Make sizes unsigned.
6109 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6110 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6111 * tree.c (struct type_hash): hashcode is unsigned.
6112 (build_type_attribute_variant, type_hash_list): Likewise.
6113 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6114 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6115 (build_complex_type): Likewise.
6116 (real_value_from_int_cst): Remove unneeded casts.
6117 (integer_all_onesp): Add casts.
6118 (tree_floor_log2, compare_tree_int): New functions.
6119 (build_index_type): Use tree_int_cst_sgn.
6120 * varasm.c (assemble_variable): Use compare_tree_int.
6122 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6124 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6126 * varasm.c (make_decl_rtl): Don't add a number to members of
6128 (make_function_rtl): Likewise.
6130 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6132 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6133 patch from 2000-01-28.
6135 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6137 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6138 filled with an insn from the jump target.
6140 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6142 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6143 (c4x_external_ref): Likewise.
6144 * config/c4x/c4x.c (struct name_list): Likewise.
6146 1999-12-16 Ben Collins <bcollins@debian.org>
6148 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6149 argument to genmultilib.
6150 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6151 the contents into the multilib.h header.
6152 * gcc.c: Declare multilib_exclusions for the specs file.
6153 (set_multilib_dir): Use it.
6154 (print_multilib_info): Likewise.
6155 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6156 to pass to genmultilib.
6158 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6160 * builtins.c (built_in_class_names, built_in_names): Constify a
6163 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6165 (_mcleanup): Ensure value matches format specifier in sprintf.
6167 * cpphash.c (special_symbol): Don't needlessly cast away
6170 * cppinit.c (base_name): Delete unused prototype.
6172 * mkdeps.c (deps_init): Make definition K&R safe.
6174 * tree.h (built_in_class_names, built_in_names): Constify a
6177 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6179 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6180 floating point instructions for epilogue delay.
6182 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6183 to gas if it supports .register pseudo.
6185 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6186 LONG_DOUBLE_TYPE_SIZE if not defined.
6187 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6188 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6190 * gengenrtl.c: Likewise.
6191 * print-rtl.c: Likewise.
6193 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6194 MASK_LONG_DOUBLE_128.
6195 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6196 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6197 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6198 (SUBTARGET_SWITCHES): Define.
6199 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6200 with -mlong-double-128.
6201 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6202 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6203 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6204 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6205 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6206 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6207 with -mlong-double-128.
6208 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6209 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6210 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6211 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6212 TARGET_LONG_DOUBLE_128): Define.
6213 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6214 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6215 long double on TARGET_ARCH64.
6217 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6219 * function.c (free_temps_for_rtl_expr): Don't free slots
6220 that have been pushed into a higher level.
6223 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6225 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6227 * basic-block.h (ALLOCA_REG_SET): Remove.
6228 (INITIALIZE_REG_SET): New macro.
6229 * flow.c (update_life_info): Use it.
6230 (calculate_global_regs_live): Likewise.
6231 (propagate_block): Likewise.
6232 * global.c (build_insn_chain): Likewise.
6233 * haifa-sched.c (schedule_region): Likewise.
6235 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6237 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6238 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6239 (DWARF_ARANGES_PAD_SIZE): New define.
6240 (output_aranges): Use it to pad the address range header.
6241 (DWARF_ROUND): Fix for non power of 2 rounding.
6243 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6245 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6247 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6249 * tree.def (RTL_EXPR): Update documentation.
6250 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6251 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6252 * function.c (preserve_rtl_expr_temp): New function.
6253 (preserve_rtl_expr_temps): Likewise.
6254 (preserve_rtl_expr_result): Use it.
6257 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6259 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6261 * regmove.c (copy_src_to_dest) Do not create src->dest move
6262 for unchanging destination.
6264 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6266 * function.h (struct sequence_stack): Remove rtl_expr.
6267 (struct emit_staus): Likewise.
6268 (seq_rtl_expr): Remove.
6269 * tree.h (free_temps_for_rtl_expr): Don't declare.
6270 (start_sequence_for_rtl_expr): Likewise.
6271 * rtl.h (preserve_rtl_expr_result): Likewise.
6272 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6273 (start_sequence_for_rtl_expr): Remove.
6274 (push_topmost_sequence): Don't save sequence_rtl_expr.
6275 (pop_topmost_sequence): Remove comment about not restoring it.
6276 (end_sequence): Don't set seq_rtl_expr.
6277 (init_emit): Don't initialize it.
6278 (mark_sequence_stack): Don't mark it.
6279 (mark_emit_status): Likewise.
6280 * except.c (protect_with_terminate): Use
6281 start_sequence_for_rtl_expr, not start_sequence.
6282 * expr.c (expand_expr, case RTL_EXPR): Don't call
6283 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6284 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6285 (preserve_rtl_expr_result): Remove.
6286 (free_temps_for_rtl_expr): Likewise.
6287 (pop_temp_slots): Likewise.
6288 (mark_temp_slot): Don't mark the rtl_expr.
6289 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6290 start_sequence_for_rtl_expr.
6292 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6294 * mkdeps.c, mkdeps.h: New files.
6295 * po/POTFILES.in: Add them.
6296 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6297 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6298 (mkdeps.o): New target.
6300 * cppfiles.c: Delete deps_output.
6301 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6302 OBJECT_SUFFIX, and base_name.
6303 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6305 (initialize_dependency_output): Use deps_init,
6306 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6307 all the unnecessary string bashing.
6308 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6310 * cpplib.c (do_include): Use deps_add_dep.
6311 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6312 deps_allocated_size, deps_size, deps_column members with
6313 single pointer to a struct deps. Delete prototype of
6316 * cppinit.c: Fix thinko in previous patch.
6318 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6320 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6321 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6322 (mode_for_size_tree): New function.
6323 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6324 * tree.h (mode_for_size_tree): New declaration.
6326 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6328 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6330 * stmt.c (is_body_block): Move...
6331 * dwarfout.c, dwarf2out.c: ...from here.
6332 * tree.h: Declare it.
6333 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6334 * final.c (final_start_function): Do call remove_unnecessary_notes
6337 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6339 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6341 * cpplib.h (_dollar_ok): New macro.
6342 (is_idchar, is_idstart): Use it.
6343 (IStable): Rename to _cpp_IStable. Declare it const if
6344 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6345 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6346 is_space): Update for renamed IStable.
6348 * cppinit.c: Delete all references to FAKE_CONST and CAT
6349 macros. Define init_IStable as empty macro if gcc >=2.7 or
6350 C99. Change TABLE() to ISTABLE and hardcode name of table.
6351 (cpp_start_read): Don't change the IStable based on
6354 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6355 changed. Handle '$' for char1 correctly.
6356 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
6358 * cppexp.c (tokentab2): Make const.
6359 (cpp_lex): Make toktab const.
6360 * cppinit.c (include_defaults_array): Make const.
6361 (initialize_standard_includes): Make default_include const.
6363 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6365 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
6366 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
6367 (gen_decl_die): Likewise.
6368 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
6369 (output_decl): Likewise.
6371 * varasm.c (make_function_rtl): If we change the name used in the
6372 rtl, update DECL_ASSEMBLER_NAME accordingly.
6373 (make_decl_rtl): Likewise.
6375 * toplev.c (rest_of_compilation): Tweak formatting.
6377 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
6378 remove_unnecessary_notes.
6379 (debug_ignore_block): New fn.
6380 * toplev.h: Declare it.
6381 * emit-rtl.c (remove_unncessary_notes): Call it.
6382 * dwarf2out.c (dwarf2out_ignore_block): New fn.
6383 * dwarf2out.h: Declare it.
6384 * final.c (final_start_function): Don't call remove_unnecessary_notes
6385 if we did insn scheduling.
6387 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6389 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
6390 * cpplib.h: Delete SET_CPP_PEDANTIC.
6392 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6394 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
6395 result is a RECORD_TYPE.
6397 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
6399 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
6401 2000-03-03 Richard Henderson <rth@cygnus.com>
6403 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
6404 addition over compliments over shifts.
6406 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6408 * reload1.c (reload_combine_note_use): Handle return register USEs.
6409 REG case: Handle multi-hard-register hard regs.
6411 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6413 * md.texi: Document use of '*' in insn pattern name.
6415 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6417 * calls.c (special_function_p): operator new may not be malloc-like.
6419 * gcse.c (dump_hash_table): Really fix error in last change.
6421 2000-03-02 Denis Chertykov <denisc@overta.ru>
6423 * avr.c (print_operand): Use print_operand_address instead of
6425 * avr/libgcc.S: Cleanup code.
6427 2000-03-02 Richard Henderson <rth@cygnus.com>
6429 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
6431 2000-03-02 Mark Mitchell <mark@codesourcery.com>
6433 * tree.h (TYPE_ALIGN_UNIT): New macro.
6435 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
6437 * i386.c: (constant_call_address_operand): Reject CONST_INT.
6439 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
6441 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
6443 (SET_CPP_PEDANTIC): New macro.
6444 * cpplib.c (do_include): Don't bother checking system_header_p.
6445 (do_warning, do_ident, do_assert, do_unassert): Likewise.
6446 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
6448 * function.h (struct expr_status): Add x_arg_space_so_far.
6449 (arg_space_so_far): New macro.
6450 * expr.c (init_expr): Initialize it.
6451 * calls.c (emit_call_1): Reset it.
6452 (compute_argument_block_size, expand_call): Use it.
6453 (expand_call, store_one_arg): Increment it.
6455 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6457 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
6460 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
6462 * cppfiles.c (cpp_read_file): New function.
6464 * cpphash.c (collect_expansion): Make sure to reset last_token
6465 to NORM when we hit a string. Handle trailing whitespace
6466 properly when the expansion is empty.
6467 (create_definition): Disable line commands while parsing the
6469 (dump_definition): If pfile->lineno == 0, output a line
6470 command ahead of the dump, and add a trailing newline.
6472 * cppinit.c (append_include_chain): Add fifth argument, which
6473 indicates whether or not system headers are C++ aware.
6474 (initialize_standard_includes): New function,
6475 broken out of read_and_prescan. Pass 'cxx_aware' value from
6476 the include_defaults_array on to append_include_chain.
6477 (dump_special_to_buffer): Const-ify char array.
6478 (builtin_array): Don't dump __BASE_FILE__.
6479 (cpp_start_read): Use cpp_read_file. Reorder code for
6480 clarity. Don't output line commands here for -D/-A/-U
6481 switches. Don't call deps_output for files included with
6482 -include or -imacros.
6484 * cpplib.c (do_define): Don't pay any attention to the second
6486 (cpp_expand_to_buffer): Disable line commands while scanning.
6487 (output_line_command): Work in the file buffer.
6488 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
6489 Fix formatting of comments. Prototype cpp_read_file.
6491 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6493 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
6494 reference the language-equivalent of sizetype.
6495 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
6496 * fold-const.c (size_binop, size_diffop): Put back checks.
6497 * gcse.c (dump_hash_table): Fix minor error in last change.
6498 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
6499 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
6502 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
6504 * calls.c (expand_call) Do not attempt to combine stack adjustments
6505 with inhibit_defer_pop set.
6507 2000-03-01 Mark Mitchell <mark@codesourcery.com>
6509 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
6510 the DECL_SIZE for a FIELD_DECL.
6512 2000-03-01 Bruce Korb <bkorb@gnu.org>
6514 * fixinc/inclhack.tpl: remove unused symlinks
6515 * fixinc/README: GCC Maintainer info
6516 * fixinc/inclhack.sh: regen
6517 * fixinc/fixincl.sh: regen
6519 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
6521 * cpphash.c (collect_expansion): Trim trailing white space
6522 from macro definitions, but don't go past the last insertion
6525 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
6527 * i386.md (mulqi3): New pattern.
6529 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
6531 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
6533 (struct cpp_reader): Add parsing_if_directive and
6534 parsing_define_directive flags.
6535 (struct cpp_options): Remove output_conditionals flag.
6536 (check_macro_name): Delete prototype.
6538 * cpphash.h (struct macrodef): Delete.
6539 (struct reflist): Separate from struct definition.
6540 (struct definition): Remove unused fields. Add column number.
6541 (create_definition): Returns a DEFINITION *. Takes a
6542 cpp_reader * and an int.
6544 * cpphash.c (SKIP_WHITE_SPACE): Delete.
6545 (PEEKC): Copy defn from cpplib.c.
6546 (rest_extension, REST_EXTENSION_LENGTH): Delete.
6548 (struct arglist): Simplify.
6549 (collect_expansion): Rewrite. Get tokens by calling
6550 cpp_get_token. Add more error checking.
6551 (collect_formal_parameters): New function, broken out of
6552 create_definition and reworked to use get_directive_token.
6553 (create_definition): All real work is now in collect_expansion
6554 and collect_formal_parameters. do_define handles finding the
6555 macro name. Return a DEFINITION, not a MACRODEF.
6556 (macroexpand): Replace bcopy with memcpy throughout. Replace
6557 character-at-a-time copy loop with memcpy and pointer increments.
6558 (compare-defs): d1->argnames / d2->argnames might be null.
6560 * cpplib.c (copy_rest_of_line): Delete function.
6561 (skip_rest_of_line): Do all the work ourselves.
6562 (skip_string): New function.
6563 (parse_string): Use skip_string.
6564 (get_macro_name): New function.
6565 (check_macro_name): Delete.
6566 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
6567 (cpp_skip_hspace): Use CPP_BUMP_LINE.
6568 (handle_directive): ICE if we're called on a macro buffer.
6569 (do_define): Determine macro name and type (funlike/objlike)
6570 here. Expunge all uses of MACRODEF.
6571 (cpp_push_buffer): Set line_base to NULL.
6572 (do_undef, read_line_number): Don't worry about getting a POP token.
6573 (eval_if_expression): Set/reset parsing_if_directive around
6574 cpp_parse_expr. Don't clear only_seen_white.
6575 (skip_if_group): Remove output_conditionals logic. Use
6577 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
6578 tokens under appropriate conditions.
6579 (cpp_unassert): Call do_unassert not do_assert. Oops.
6581 * cppexp.c (parse_defined): New function, break out of
6583 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
6584 ourselves, with cpp_defined.
6585 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
6587 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
6588 * gcc.dg/strpaste-2.c: New.
6590 2000-02-29 Mark Mitchell <mark@codesourcery.com>
6592 * fold-const.c (size_binop): Don't asert inputs are the same and
6593 have TYPE_IS_SIZETYPE set.
6594 (size_diffop): Likewise.
6596 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
6598 * dwarfout.c (output_block): Output abstract blocks even if they
6599 don't have TREE_ASM_WRITTEN set.
6601 * calls.c (emit_library_call): Check for null REG.
6603 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
6605 * c-decl.c (current_function_decl): Move to toplev.c.
6606 (init_decl_processing): Don't add current_function_decl as a ggc
6608 * dbxout.c (dbxout_symbol): Change return type to int.
6609 (dbxout_symbol_location, dbxout_syms): Likewise.
6610 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
6611 any locals. Use current_function_func_begin_label if set.
6612 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
6613 * dwarf2out.c (dwarf2out_begin_prologue): Set
6614 current_function_func_begin_label.
6615 * final.c (final_start_function): Reset it.
6616 * toplev.c (current_function_decl): Define it here.
6617 (current_function_func_begin_label): New variable.
6618 (main): Add both as ggc roots.
6619 * tree.h (current_function_func_begin_label): Declare.
6621 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6623 * gcse.c: Cleanups throughout: mostly white-space, but also
6624 some minor rearrangement of code.
6626 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
6628 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
6629 returns a PARALLEL. Use emit_group_load and use_group_regs
6631 (emit_library_call_value): Similarly.
6633 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
6634 * pa/quadlib.asm: Remove.
6635 * pa/quadlib.c: New file.
6637 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
6638 * configure: Rebuilt.
6640 2000-02-29 Philip Blundell <pb@futuretv.com>
6642 * config/arm/conix-elf.h: New file.
6643 * configure.in (arm*-*-conix*): New configuration.
6644 * configure: Regenerate.
6646 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
6648 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
6649 don't have TREE_ASM_WRITTEN set.
6651 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6653 * Eliminate DECL_FIELD_SIZE.
6654 * builtins.c (built_in_class_names, built_in_names): New variables.
6655 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
6656 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
6657 DECL_SIZE, not DECL_FIELD_SIZE.
6658 * print-tree.c (print_node): Remove code that prints extra blank
6659 lines in some cases.
6660 Properly handle inline and builtin function cases.
6661 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
6662 * tree.h (built_in_class_named, built_in_names): New declarations.
6663 (union tree_decl): Rename internal unions to u1 and u2 and change
6664 some of their components.
6665 Add new field built_in_class.
6666 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
6667 Reflect above changes.
6668 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
6669 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
6670 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
6671 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
6673 2000-02-28 Dmitri Makarov <dim@windriver.com>
6675 * extend.texi: Document ARM's support for long/short calls.
6677 * invoke.texi: Document ARM's -mlong-calls command line switch.
6679 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
6680 (arm_encode_call_attribute): Add prototype.
6681 (arm_set_default_type_attribute): Add prototype.
6682 (arm_strip_name_encoding): Add prototype.
6684 * config/arm/arm.c (arm_init_cumulative_args): replace
6685 initialisation og 'long_calls' field with initialisation of
6686 'call_cookie' field.
6687 (enum arm_pragma_enum): New enum.
6688 (arm_pragma_long_calls): New static variable.
6689 (arm_process_pragma): Also process "#pragma long_calls_off".
6690 (arm_valid_type_attribute_p): Accept short_call attribute.
6691 (arm_comp_type_attributes): Check long/short call attributes.
6692 (arm_encode_call_attribute): New function: Encode long_call
6693 or short_call attribute in function name.
6694 (arm_set_default_type_attributes): New function: Assign
6695 default attributes to newly defined type.
6696 (current_file_function_operand): New function: Return true if
6697 the symbol is a function which has already been compiled.
6698 (arm_is_longcall_p): New function: Return true if the
6699 indicated function should be called via a long call.
6700 (arm_get_strip_length): New function. Returns number of
6701 prefix characters to be stripped from a function's name.
6702 (arm_strip_name_encoding): New function. Strip prefix characters
6703 from a function's name.
6705 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
6707 (SHORT_CALL_FAG_CHAR): Define.
6708 (LONG_CALL_FAG_CHAR): Define.
6709 (ENCODED_SHORT_CALL_ATTR_P): Define.
6710 (ENCODED_LONG_CALL_ATTR_P): Define.
6711 (ARM_NAME_ENCODING_LENGTHS): Define.
6712 (STRIP_NAME_ENCODING): Define.
6713 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
6714 (ARM_ENCODE_CALL_TYPE): Define.
6715 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
6716 (ARM_DECLARE_FUNCTION_SIZE): Define.
6717 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
6719 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
6720 if a long call is needed.
6721 (call_value): Ditto.
6722 (call_symbol): Ditto.
6724 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
6725 ARM_DECLARE_FUNCTION_SIZE.
6727 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
6728 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
6729 (ARM_STRIP_NAME_ENCODING): Undefine.
6730 (STRIP_NAME_ENCODING): Undefine.
6731 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
6732 (ASM_DECLARE_FUNCTION_NAME): Ditto.
6733 (ASM_OUTPUT_COMMON): Ditto.
6734 (ASM_DECLARE_OBJECT_NAME): Ditto.
6736 * config/arm/pe.c (arm_dllexport_name_p): Check for
6738 (arm_dllimport_name_p): Ditto.
6739 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
6740 (arm_mark_dllimport): Ditto.
6742 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6744 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
6746 2000-02-28 Mark Mitchell <mark@codesourcery.com>
6748 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
6750 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
6752 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
6753 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
6754 NO_BUILTIN_WCHAR_TYPE is not defined.
6755 (CPP_WCHAR_TYPE): Delete.
6756 * cccp.c (main): Don't change wchar_type if cplusplus.
6757 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
6759 2000-02-28 Nick Clifton <nickc@cygnus.com>
6761 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
6763 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
6765 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
6766 (ASM_WEAKEN_LABEL): Define.
6768 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
6770 * expr.c (store_constructor): Do not emit USE.
6771 * rtl.h (stupid_life_analysis): Remove.
6773 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6775 * function.c (number_blocks): Reset next_block_index based on
6776 what debugging format is used, not what is defined.
6778 * lcm.c: Minor reformatting throughout.
6779 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
6781 * toplev.c (rest_of_compilation): Account for time in
6782 optimize_mode_switching.
6784 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
6785 if only marking labels.
6787 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
6789 * calls.c (expand_call): Attempt to combine stack adjustments with
6790 pending stack adjustments.
6792 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6794 * loop.c (reg_in_basic_block_p): Don't abort when falling through
6795 to the end of the function.
6797 2000-02-27 Mark Mitchell <mark@codesourcery.com>
6799 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
6801 * final.c (next_block_index): Remove.
6802 (max_block_depth): Likewise.
6803 (pending_blocks): Likewise.
6804 (init_final): Don't initialize them.
6805 (final_start_function): Don't set next_block_index. Set up
6807 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
6808 * function.h (number_blocks): New function.
6809 * function.c (get_block_vector): New function.
6810 (identify_blocks): Use it.
6811 (reorder_blocks): Set NOTE_BLOCK.
6812 (number_blocks): New function.
6813 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
6814 * tree.h (BLOCK_NUMBER): New macro.
6815 (tree_block): Add block_num field.
6816 * dbxout.c (next_block_number): Remove.
6817 (dbxout_init): Don't set it.
6818 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
6819 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
6821 * toplev.c (rest_of_compilation): Always call
6822 find_loop_tree_blocks. Fix indentation.
6823 * dwarf2out.c (next_block_number): Remove.
6824 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
6825 to determine block numbers.
6826 (gen_inlined_subroutine_die): Likewise.
6827 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
6828 (decls_for_scope): Don't increment next_block_number.
6829 * dwarfout.c (next_block_number): Remove.
6830 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
6831 to determine block numbers.
6832 (output_inlined_subroutine_die): Likewise.
6833 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
6834 (output_decls_for_scope): Don't increment next_block_number.
6835 * sdbout.c (next_block_number): Remove.
6836 (sdbout_block): Use BLOCK_NUMBER.
6837 (sdbout_begin_block): Simplify.
6838 * xcoffout.c (next_block_number): Remove.
6839 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
6840 (xcoffout_begin_block): Don't set next_block_number.
6841 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
6844 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6846 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
6847 (expand_builtin_strcpy): Pass correct type to size_binop.
6848 (expand_builtin_strcmp): Likewise.
6849 Clean up conditional structure.
6850 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
6851 (complete_array_type): Don't use size_binop for MAXINDEX.
6852 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
6853 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
6854 (c_alignof): Use size_one_node.
6855 (build_unary_op): Pass arg of proper type to size_binop.
6856 (really_start_incremental_init, push_init_level): Use sizetype for
6857 constructor{,_bit,_unfilled}_index.
6858 (pop_init_label, output_init_element): Likewise.
6859 (output_pending_init_elements, process_init_element): Likewise.
6860 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
6861 * expr.c (store_expr): Use size_int.
6862 (store_constructor): Use proper types for size_binop args.
6863 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
6864 (expand_expr_unaligned): Likewise.
6865 (string_contant): Return object of sizetype.
6866 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
6867 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
6868 (ARGS_SIZE_TREE): Pass proper types to size_binop.
6869 * fold-const.c (int_const_binop): Refine when size_int is called.
6870 (fold_convert): Likewise.
6871 (size_int_wide): Rework to take KIND as arg, only take low order
6872 bits, handle new sizetype_tab datatype, and chain entries in
6874 (size_int_type_wide): New function.
6875 (size_binop): Validate types of arguments.
6876 (ssize_binop): Deleted.
6877 (size_diffop): New function.
6878 (extract_muldiv): Only fold division into multiplication for sizetypes.
6879 * function.c (assign_parms): Use size_diffop and make sure
6880 VAR field is of ssizetype; also pass proper type to size_binop.
6881 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
6882 (round_down): Deleted from here.
6883 * store-layout.c (sizetype_tab): Now an array.
6884 (sizetype_set, early_root_list): New variables.
6885 (variable_size): Use size_one_node.
6886 (round_up): Pass proper type to size_binop.
6887 (round_down): Moved to here and corrected as above.
6888 (layout_record): Pass proper arg types to size_binop.
6889 (layout_type): Likewise.
6890 If sizetype_set is zero, record the type just laid out.
6891 (make_unsigned_type): Don't call set_sizetype;
6892 (make_signed_type): Likewise; also, call fixup_signed_type.
6893 (initialize_sizetypes): New function.
6894 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
6895 set name of bitsizetype to "bit_size_type".
6896 Fix up type of sizes of all types made before call.
6897 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
6898 * tree.c (fix_sizetype): Deleted.
6899 (build_common_tree_nodes): Call initialize_sizetypes.
6900 (build_common_tree_nodes_2): Don't call fix_sizetype.
6901 * tree.h (TYPE_IS_SIZETYPE): New macro.
6902 (initialize_sizetype): New declaration.
6903 (enum size_type_kind): New type.
6904 (struct sizetype_tab): Deleted.
6905 (sizetype_tab): Now array; adjust sizetype macros.
6906 (size_diffop, size_int_type_wide): New functions.
6907 (size_int_wide): Change number of args and type; access macros changed.
6908 (ssize_int, sbitsize_int): New macros.
6909 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
6910 (ROUND_TYPE_SIZE_UNIT): New macro.
6912 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
6914 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
6916 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6918 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
6919 Mark as possibly unused.
6921 * cse.c (cse_insn): Delete dead code involving tablejump.
6922 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
6924 * Makefile.in (libcpp.a): Start by deleting it.
6926 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6928 * cpplib.h (enum file_change_code): Added rename_file.
6929 * cpplib.c (do_line): If a filename is given, set file_change to
6931 (output_line_command): If file_change is rename_file, always
6932 output a # directive with the file name.
6934 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
6936 2000-02-26 Mark Mitchell <mark@codesourcery.com>
6938 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
6939 when copying a PARM_DECL or RESULT_DECL.
6941 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6943 * fix-header.c (recognized_function): Also fix prototypes for
6944 functions taking "void".
6946 2000-02-26 Geoff Keating <geoffk@cygnus.com>
6948 * reload1.c (do_output_reload): Check reg_reloaded_valid before
6949 looking at reg_reloaded_contents.
6951 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
6953 * Makefile.in (STMP_FIXINC): New toggle.
6954 (LIBGCC2_DEPS): Delete all references.
6955 (stmp-headers): Delete target. All references either deleted
6956 or changed to stmp-int-headers.
6957 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
6958 (LIBCPP_OBJS): Take out cppalloc.o.
6959 (cppalloc.o): Delete target.
6960 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
6961 (gen-protos, fix-header): Link with libiberty.a.
6962 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
6965 * configure.in: Remove refs to strerror.
6966 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
6967 * system.h: Take out strerror stanza.
6969 * cpperror.c (my_strerror): Delete function.
6970 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
6971 * cppmain.c (main): Call xmalloc_set_program_name first thing.
6972 * cppalloc.c: Delete file.
6973 * gen-protos.c: Don't provide xrealloc.
6975 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
6976 xstrerror throughout.
6978 2000-02-26 Bruce Korb <bkorb@gnu.org>
6980 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
6981 match for DOS headers, too.
6982 * fixinc/inclhack.sh,fixincl.x: Regenerate.
6984 2000-02-26 Geoff Keating <geoffk@cygnus.com>
6986 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
6987 is right for most ELF targets.
6988 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
6989 Let the default file use %U properly.
6990 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
6993 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
6996 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6998 * toplev.c (documented_lang_options): Correct spelling error.
6999 (decode_d_option, decode_f_option, main): Likewise.
7001 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7003 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7004 to tell assembler it is permitted to expand large constants.
7006 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7008 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7009 (aux_info_suffix): Use.
7010 (SAVE_SUFFIX): New macro.
7012 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7013 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7014 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7016 * invoke.texi (Running Protoize): Update documentation.
7018 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7020 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7022 2000-02-25 John Wehle (john@feith.com)
7024 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7026 2000-02-25 Anthony Green <green@cygnus.com>
7028 * toplev.c (rest_of_compilation): Rebuild jump labels if
7029 combine_instructions has created a new direct jump.
7030 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7032 (combine_instructions): Call try_combine with new argument.
7033 Return non-null value when new direct jump instruction is created.
7034 * rtl.h: combine_instructions returns an int.
7036 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7038 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7039 jump when changing a computed jump into a jump to a known
7042 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7044 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7045 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7047 * i386.md (define_expand "clrstrsi"): Fix typo.
7049 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7051 * rtl.texi: Fix typo.
7053 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7055 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7056 UNITS_PER_WORD. Change caller initial_elimination_offset.
7057 (rounded_frame_size): Take into account that argument pushed has
7058 changed. Fix TARGET_ALIGN_DOUBLE problem.
7060 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7062 * haifa-sched.c (schedule_block): Explain the real reason
7063 we delete REG_SAVE_NOTEs on the first insn of a block.
7064 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7066 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7068 * input.h (push_srcloc): New function.
7069 (pop_srcloc): Likewise.
7070 * toplev.c (push_srcloc): Define it.
7071 (pop_srcloc): Likewise.
7073 2000-02-24 Richard Henderson <rth@cygnus.com>
7075 * flow.c (life_analysis): When collecting reg info, clear
7078 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7080 Fix bug exposed by reload.c no longer rounding the frame
7081 size to BIGGEST_ALIGNMENT:
7082 * sh.c (rounded_frame_size): New function.
7083 (sh_expand_prologue, sh_expand_epilogue): Use it.
7084 (initial_elimination_offset): Likewise.
7086 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7088 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7089 * sh-protos.h (sh_need_epilogue): Declare.
7090 * sh.c (sh_need_epilogue_known): New static variable.
7091 (sh_need_epilogue): New function.
7092 (function_epilogue): Clear need_epilogue_known.
7093 * sh.md (return): Split into expander / insn pattern.
7094 Make the expander conditional on ! sh_need_epilogue ().
7096 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7098 * machmode.h (get_mode_alignment): Declare.
7099 (GET_MODE_ALIGNMENT): Call it.
7100 * stor-layout.c (get_mode_alignment): New function. Make
7101 sure alignment is always power of 2.
7103 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7105 * i386.h: Remove useless definition of "I386" and misleading
7108 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7110 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7111 under which TREE_PERMANENT will be set.
7112 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7113 build1): Use TREE_SET_PERMANENT.
7114 * print-tree.c (print_node): Don't report value of
7115 TREE_PERMANENT if ggc_p is true.
7117 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7118 decide whether to give a type a new alias set.
7119 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7120 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7121 of value of 'obstack'.
7124 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7126 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7128 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7130 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7131 * cpplib.c (cpp_get_token): Produce them.
7132 * cppexp.c (cpp_lex): Handle them.
7134 2000-02-23 Nick Clifton <nickc@cygnus.com>
7136 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7137 comment tests on type attributes.
7139 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7141 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7142 conform to documentation.
7143 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7144 to check for special cases.
7145 * sh-protos.h (sh_loop_align): Declare.
7146 * sh.c (sh_loop_align): Define.
7148 2000-02-22 Andrew Haley <aph@cygnus.com>
7150 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7151 (SIZE_TYPE): Is 32 bits when using -mgp32.
7152 (PTRDIFF_TYPE): Ditto.
7154 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7156 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7158 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7160 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7161 BIGGEST_FIELD_ALIGNMENT a constant.
7163 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7165 * dwarf2out.c (output_line_info): Put the marker for the end of
7166 the line number info at the actual end.
7167 (gen_struct_or_union_type_die): Use decl_function_context
7168 to check for local classes.
7169 * dwarfout.c (output_type): Likewise.
7171 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7173 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7174 for arguments with a mode, but no type.
7175 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7176 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7177 * pa/long_double.h: New file.
7178 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7179 both have 128bit wide long doubles.
7180 * configure: Rebuilt.
7182 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7184 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7186 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7187 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7188 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7190 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7192 * integrate.c (compare_blocks, find_block): Likewise.
7194 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7196 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7198 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7199 expand_asm_operands): Likewise.
7201 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7203 * predict.c (estimate_probability): Added the pointer heuristic to
7204 the collection of static branch predictors.
7206 2000-02-21 Catherine Moore <clm@cygnus.com>
7208 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7209 * invoke.texi (-mfix7000): Document.
7211 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7213 * diagnostic.c (init_output_buffer): Make it possible to output at
7214 least 32 characters if we're given a too long prefix.
7216 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7218 * varasm.c (initializer_constant_valid_p): Call
7219 lang_expand_constant to simplify the constant.
7221 2000-02-20 Bruce Korb <bkorb@gnu.org>
7223 * fixinc/inclhack.def(stdio_va_list):
7224 typedef needs to be disabled.
7225 * fixinc/inclhack.sh: regen
7226 * fixinc/fixincl.x: regen
7228 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7230 * print-rtl.c (print_rtx): Don't print addresses when
7231 flag_dump_unnumbered.
7233 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7235 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7237 (sparc_va_arg, sparc_flat_output_function_prologue,
7238 sparc_flat_output_function_epilogue): Cast value to unsigned in
7240 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7242 * sparc.md: Add default case in switch.
7244 2000-02-19 Richard Henderson <rth@cygnus.com>
7246 * c-typeck.c (add_pending_init): Don't abort for multiple
7247 fields at the same offset.
7248 (pending_init_member): Test the correct member.
7250 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7252 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7254 (start_catch_handler) : Same.
7256 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7258 * Makefile.in: Have flow.o depend on $(EXPR_H)
7260 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7262 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7263 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7264 (finish_decl): Remove -Wlarger-than code from here.
7265 * flags.h (id_clash_len): Now int.
7266 (larger_than_size): Now HOST_WIDE_INT.
7267 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7268 Clean up checking to see if in table.
7269 (make_bit_field_ref): Remove extra parm to bitsize_int.
7270 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7271 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7272 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7273 and for computing size of decl.
7274 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7275 Move -Wlarger-than code to here.
7276 (layout_record): Remove extra arg to bitsize_int.
7277 Set TYPE_BINFO_SIZE_UNIT.
7278 (layout_union): Remove extra arg to bitsize_int.
7279 Use proper type for size of QUAL_UNION.
7280 (layout_type): Remove extra arg to bitsize_int.
7281 * toplev.c (id_clash_len): Now int.
7282 (larger_than_size): Now HOST_WIDE_INT.
7283 (decode_W_option): Clean up id-clash and larger-than- cases.
7284 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7285 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7286 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7287 (struct tree_decl): New field size_unit.
7288 (size_int_wide): No HIGH operand; NUMBER is now signed.
7289 (size_int_2): Deleted.
7290 (size_int, bitsize_int): Don't use it and rework args.
7291 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7293 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7295 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7297 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7299 * invoke.texi (Warning Options): Add an explanation of why
7300 you might want the -Wfloat-equal flag.
7302 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7304 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7305 * cppinit.c (new_pending_define): Add cast to avoid warning.
7306 * expmed.c (extract_bit_field): Likewise.
7307 * flow.c (enum reorder_skip_type): New type.
7308 (skip_insns_between_blcok): New it.
7309 Rework to avoid warning about possibly undefined variable.
7310 * function.c (assign_parms): Make thisparm_boundary unsigned.
7311 * genrecog.c (write_switch): Cast XWINT result to int.
7312 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7313 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7314 one for MIPS and one for Alpha.
7315 (get_tag, copy_object): Add casts to avoid warnings.
7316 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7317 * reload.c (find_reloads): Make TYPE enum reload_type.
7318 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7319 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7320 * varasm.c (compare_constant_1): Add cast to avoid warning.
7321 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7323 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7324 Cast switch operand of size to int.
7325 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7326 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7329 2000-02-18 Nick Clifton <nickc@cygnus.com>
7331 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7332 anything for an alignment of zero.
7334 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7335 anything for an alignment of zero.
7337 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7339 * gcc.texi (Bug Reporting): Refer to bugs.html.
7340 (Bug Lists): Likewise.
7341 * system.h (GCCBUGURL): New preprocessor define.
7342 * rtl.c (fancy_abort): Use it.
7343 * gcc.c (main): Likewise.
7345 2000-02-18 Richard Henderson <rth@cygnus.com>
7347 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7348 (life_analysis_1): Subsume into ...
7349 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7350 Use update_life_info for the relaxation.
7351 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7352 entry and regs_live_at_setjmp.
7353 (set_noop_p): Simplify.
7354 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7355 (record_volatile_insns): Split into ...
7356 (delete_noop_moves): ... here,
7357 (notice_stack_pointer_modification): ... here,
7358 (insn_dead_p): ... and here.
7359 (propagate_block): Don't query INSN_VOLATILE.
7360 (mark_used_regs): Mind !PROP_REG_INFO.
7361 * toplev.c (rest_of_compilation): Call mark_constant_function here,
7362 not in life_analysis.
7364 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
7366 * loop.c (canonicalize_condition): New function,
7367 broken out of get_condition.
7368 (get_condition): Use it.
7369 * expr.h (canonicalize_condition): Prototype it.
7371 * tree.h (tree_int_cst_msb): Declare.
7372 * tree.c (tree_int_cst_msb): New function.
7374 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7376 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
7379 * invoke.texi (-fmessage-length=n): Document.
7381 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
7383 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
7385 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7387 * function.c (thread_prologue_and_epilogue_insns): Put a line note
7390 2000-02-17 Nick Clifton <nickc@cygnus.com>
7392 * config/arm/thumb.c: Replace includes of system headers with
7393 #include "system.h".
7395 2000-02-16 Richard Henderson <rth@cygnus.com>
7397 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
7398 Add crtbeginS.o and crtendS.o.
7399 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
7400 (ENDFILE_SPEC): Use crtendS.o.
7401 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
7403 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
7404 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
7406 (__dso_handle): New variable.
7407 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
7408 bias to __CTOR_END__.
7410 2000-02-16 Richard Henderson <rth@cygnus.com>
7412 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
7414 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
7416 * longlong.h (__clz_tab): Declare as static to match definition.
7418 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
7419 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
7420 (XREF_FILE_NAME): Define.
7422 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
7423 (EH_FRAME_SECTION_ASM_OP): Define.
7424 (IDENT_ASM_OP): Define.
7425 (TEXT_SECTION_ASM_OP): Define.
7427 (CTORS_SECTION_ASM_OP): Define.
7428 (CTOR_SECTION_FUNCTION): Use it.
7429 (DTORS_SECTION_ASM_OP): Define.
7430 (DTOR_SECTION_FUNCTION): Use it.
7432 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
7434 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
7437 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
7438 debug_bb_n): New functions.
7439 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
7440 * basic-block.h: Prototype new functions.
7442 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
7444 * configure.in: Add support for avr target.
7445 * configure: Rebuilt.
7447 * invoke.texi: Add AVR invocation docs.
7448 * install.texi: Add information about AVR.
7449 * md.texi: Add AVR constraint letters description.
7450 * extend.texi: Add description for AVR specific attributes.
7452 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
7454 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
7456 2000-02-16 Nick Clifton <nickc@cygnus.com>
7458 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
7459 (make_insn_raw): Move RTL check here.
7461 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7463 * version.c: Include gansidecl.h and version.h.
7465 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
7467 * configure.in (gcc_version): When setting, narrow search to
7468 lines containing `version_string'.
7470 * Makefile.in (mainversion): Likewise.
7471 (GCC_H): New variable.
7472 (gcc.h): Delete target.
7473 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
7474 (version.o): Depend on version.h.
7475 (dbxout.o): Don't depend on gcc.h.
7477 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
7478 Michael Meissner <meissner@cygnus.com>
7480 * md.texi (Simple Constraints): Add item about whitespace.
7481 * genoutput.c (strip_whitespace): New.
7482 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
7483 strip_whitespace for constraints.
7484 Test pointer using NULL, not 0.
7486 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7488 * cpplib.c (do_line): Pedwarn for #line > 32767.
7490 * c-lex.c (readescape): Warn about '\x', but do not reject it.
7492 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
7494 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
7495 to default cpp spec.
7496 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
7497 * cpp.texi: Document __GNUC_PATCHLEVEL__.
7500 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
7503 2000-02-15 Denis Chertykov <denisc@overta.ru>
7505 * configure.in: Add support for avr target.
7507 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7509 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
7510 (sh_addr_diff_vec_mode): Don't declare.
7511 * sh.c (sh_addr_diff_vec_mode): Delete.
7513 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7515 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
7517 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7519 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
7520 (smulsi3_highpart_i): Name.
7521 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
7522 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
7523 (smulsi3_highpart, umulsi3_highpart): Likewise.
7525 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
7526 correctly independent of endianness.
7527 (mulsidi3, umulsidi3): Now define_insn. Hide details that
7528 confuse the optimizers.
7529 (mulsidi3+1, umulsidi3+1): New define_split.
7531 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
7533 * config/sh/sh.md: Guard insn splits against illegal registers.
7534 * config/sh/sh.h: Correct comment about macros.
7536 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7537 Andrew MacLeod <amacleod@cygnus.com>
7539 * Makefile.in (lcm.o): Depend on insn-attr.h.
7540 * basic-block.h (optimize_mode_switching): Declare.
7541 * lcm.c (tm_p.h, insn-attr.h): #include.
7542 (seginfo, bb_info): New structs.
7543 (antic, transp, comp, delete, insert) : New file-scope static variables.
7544 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
7545 (reg_becomes_live, optimize_mode_switching): Likewise.
7546 * tm.texi: Add description of mode switching macros.
7547 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
7549 * sh-protos.h (remove_dead_before_cse): Remove prototype.
7550 (fldi_ok, fpscr_set_from_mem): New prototypes.
7551 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
7552 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
7553 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7554 (sh_flag_remove_dead_before_cse): Remove declaration.
7555 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
7556 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
7557 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
7558 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7559 (barrier_align): Allow for JUMP_INSNS containing a parallel.
7560 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
7561 (fldi_ok): New function.
7562 (get_fpscr_rtx): Add fpscr_rtx as GC root.
7563 (emit_sf_insn): Only generate fpu switches when optimize < 1.
7564 (emit_df_insn): Likewise.
7565 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
7566 (sh_flag_remove_dead_before_cse): Delete.
7567 (get_free_reg, fpscr_set_from_mem): New functions.
7568 * sh.md (movdf, movsf): Remove no_new_pseudos code.
7569 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
7571 2000-02-15 Loren Rittle <ljrittle@acm.org>
7573 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
7575 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7577 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
7578 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
7580 * cccp.c: Include version.h and/or don't declare `version_string'.
7581 * collect2.c: Likewise.
7582 * alpha.c: Likewise.
7583 * arm/aof.h: Likewise.
7584 * arm/coff.h: Likewise.
7585 * arm/elf.h: Likewise.
7586 * arm/pe.h: Likewise.
7587 * arm/tcoff.h: Likewise.
7588 * arm/telf.h: Likewise.
7589 * arm/tpe.h: Likewise.
7590 * arm/vxarm.h: Likewise.
7591 * convex/convex.c: Likewise.
7592 * i386/dgux.c: Likewise.
7593 * i386/sun386.h: Likewise.
7594 * m88k/m88k.c: Likewise.
7595 * mcore/mcore-pe.h: Likewise.
7596 * mips/mips.h: Likewise.
7597 * romp/romp.h: Likewise.
7598 * sh/sh.c: Likewise.
7599 * cpphash.c: Likewise.
7600 * cppinit.c: Likewise.
7601 * dwarf2out.c: Likewise.
7602 * dwarfout.c: Likewise.
7605 * mips-tfile.c: Likewise.
7606 * protoize.c: Likewise.
7607 * toplev.c: Likewise.
7610 * version.c (version_string): Constify a char*.
7612 * version.h: New file.
7614 2000-02-14 Nick Clifton <nickc@cygnus.com>
7616 * configure.in: Add mcore-elf and mcore-pe targets.
7617 * configure: Regenerate.
7619 * NEWS: Add note that MCore port has been contributed.
7621 * invoke.texi: Document command line switches for MCore port.
7622 * install.texi: Add MCore to list of supported targets.
7624 2000-02-14 Geoff Keating <geoffk@cygnus.com>
7626 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
7627 then we will need to import the frame handling functions.
7628 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
7629 to import the frames themselves.
7631 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
7632 Jason Eckhardt <jle@cygnus.com>
7634 * basic_block.h: Added prototype for reorder_basic_blocks.
7635 * toplev.c: Changes to add -freorder-blocks and graph dump after
7636 block reordering is done.
7637 * flow.c (reorder_block_def): New structure for use during block
7639 (REORDER_BLOCK_*): New macros to access members of above structure.
7640 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
7641 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
7642 functions for block reordering.
7644 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
7646 * gcc.texi (Passes): Fix typo.
7647 * md.texi (Standard Names): Ditto.
7648 * tm.texi (Storage Layout): Ditto.
7650 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
7652 * cpplib.c (do_define): Only free the old definition if it
7655 2000-02-13 Neil Booth <NeilB@earthling.net>
7657 * cppfiles.c (read_and_prescan): When emitting deferred
7658 newlines, test speccase[] again instead of checking each
7659 possible whitespace character in turn. When we encounter \r,
7660 look behind for \n first, then ahead.
7662 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
7664 * cse.c (cse_altered): New internal flag.
7665 (cse_insn): Set it if we changed an insn.
7666 (cse_main): Clear cse_altered before each basic block.
7667 Only garbage collect if cse_altered is true afterward.
7669 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7671 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
7673 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
7675 * combine.c (simplify_comparison): Fix typo.
7677 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
7679 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
7682 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7684 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
7685 previously inserted node instead of root node. Caller changed.
7687 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7689 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
7691 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7693 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
7694 __dereg_frame_dtor): Add prototype argument.
7696 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
7698 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
7700 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
7702 * gthr-vxworks.h (__gthread_once): Likewise.
7704 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
7706 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
7708 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
7709 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
7710 stack pointer in functions w/o saved registers, output LEAVE more often
7711 on TARGET_USE_LEAVE machines.
7713 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
7715 * config/arm/arm.c (arm_init_cumulative_args); New function:
7716 Initlaise the CUMULATIE_ARGS strcuture for a function
7718 (arm_function_arg): New function: Determine where to place a
7719 function's argument. Also handles deciding the function's
7721 (current_file_function_operand): New function: Return true if
7722 the symbol is a function which has already been compiled.
7723 (arm_is_long_call_p): New function: Return true if the
7724 indicated function should be called via a long call.
7725 (arm_valid_type_attribute_p): New function: Return true if the
7726 attribute is a valid, arm specific, attribute.
7727 (arm_comp_type_attribute): New function: Return true if the
7728 two types have compatable, arm specific, attributes.
7730 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
7732 (FUNCTION_ARG): Redefine to call arm_function_arg.
7733 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
7735 (INIT_CUMULATIVE_ARGS): Redefine to call
7736 arm_init_cumulative_args.
7737 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
7739 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
7741 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
7743 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
7744 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
7745 (COMP_TYPE_ATTRIBUTES): Define.
7747 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
7748 if a long call is needed.
7749 (call_value): Call arm_is_long_call_p to decide if a long call
7751 (call_symbol): Call arm_is_long_call_p to decide if a long call
7754 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
7756 2000-02-11 Denis Chertykov <denisc@overta.ru>
7758 * README.AVR: New file with information about the avr ports.
7759 * config/avr: New directory with avr port files.
7761 2000-02-11 Andreas Jaeger <aj@suse.de>
7763 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
7765 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
7767 * cpphash.c: Fix formatting, update commentary.
7768 (dump_definition): Take three separate arguments instead of a
7769 MACRODEF structure argument.
7770 * cpphash.h: Update prototype of dump_definition.
7771 * cppinit.c (cpp_finish): Update call of dump_definition.
7773 * cpplib.c (do_define): Always create new hash entry with
7774 T_MACRO type. Remove redundant check for redefinition of
7775 poisoned identifier. Update call of dump_definition.
7776 (do_undef): Don't call check_macro_name. Rename sym_length to
7778 (do_error, do_warning): Don't use copy_rest_of_line or
7780 (do_warning): Don't use pedwarn for the actual warning,
7781 only the notice about its not being in the standard. (Fixes
7782 bug with #warning in system headers.)
7783 (do_ident): Stricter argument checking - accept only a single
7784 string after #ident. Also, macro-expand the line.
7785 (do_xifdef): Use cpp_defined. De-obfuscate.
7787 (do_pragma): Split out specific pragma handling to separate
7788 functions. Use get_directive_token. Update commentary. Do
7789 not pass on #pragma once or #pragma poison to the front end.
7790 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
7791 do_pragma_default): New.
7793 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
7795 * jump.c (jump_optimize_1): The first operand in a relational
7797 * optabs.c (emit_conditional_move): Handle relationals which
7798 have a known true/false result.
7800 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7802 * function.c (thread_prologue_and_epilogue_insns): Don't insert
7803 a RETURN insn into a block which already ends with a jump.
7805 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7807 * haifa-sched.c (BUF_LEN): Increase a lot.
7809 2000-02-11 Nick Clifton <nickc@cygnus.com>
7811 * configure.in: Add tm_p_file specification for thumb targets.
7812 * configure: Regenerate.
7814 * config/arm/thumb-protos.h: New file: Prototypes for exported
7815 functions defined in thumb.c.
7817 2000-02-11 Robert Lipe <robertl@sco.com>
7819 * Makefile.in (bootstrap-lean): Remove additional files.
7820 (bootstrap2-lean): Likewise.
7821 (VOL_FILES): List of files for above.
7823 2000-02-11 Nathan Sidwell <nathan@acm.org>
7825 * cpphash.c (special_symbol): Remove spurious argument to
7828 2000-02-11 Joel Sherrill (joel@OARcorp.com>
7830 * configure.in: (i*86-*-rtems*): Swapped elf and coff
7832 * configure: Rebuilt.
7834 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
7836 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
7838 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
7840 * pa.c, pa.h: Remove trigraph sequences within comments.
7842 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
7844 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
7846 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
7848 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
7850 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7852 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
7854 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7856 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
7857 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
7858 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
7859 (ASM_FILE_END): Use c4x_file_end.
7860 * config/c4x/c4x.c (c4x_global_label): New function.
7861 (c4x_external_ref, c4x_file_end): Likewise.
7863 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
7864 (c4x_external_ref, c4x_end_file): Likewise.
7866 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
7868 * cppexp.c: Don't include cpphash.h.
7869 (parse_charconst, cpp_lex): Use cpp_defined.
7870 (cpp_lex): Use get_directive_token throughout. Remove
7871 unnecessary cases from switch. Move assertion-handling code
7873 (cpp_parse_expr): If we see '+' or '-', check the context to
7874 determine if they are unary or binary operators. Streamline
7875 the jumps a bit. Do not call skip_rest_of_line.
7877 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
7878 static. Export get_directive_token. Update commentary.
7879 (cpp_defined): New function.
7880 (do_define): Remove reference to T_PCSTRING. Call
7881 free_definition to release memory for old definition, when
7883 (eval_if_expression): Set only_seen_white to 0 before calling
7884 cpp_parse_expr. Call skip_rest_of_line after it returns.
7885 (cpp_read_check_assertion): Don't preserve a pointer into the
7886 token buffer across a call to cpp_get_token.
7888 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
7889 * cppfiles.c (redundant_include_p): Use cpp_defined.
7890 * cpphash.c (free_definition): New function.
7891 (delete_macro): Use it. Update commentary.
7892 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
7894 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
7895 from enum node_type. Prototype cpp_defined and get_directive_token.
7896 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
7898 * fix-header.c (check_macro_names): Use cpp_defined.
7899 (read_scan_file): Set inhibit_warnings and inhibit_errors in
7900 the options structure.
7902 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7904 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
7906 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
7908 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
7909 rather than die->die_tag.
7911 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7913 * combine.c (make_extraction, force_to_mode): Avoid warning on
7914 mixed-signedness conditionals.
7915 (make_field_assignment, nonzero_bits): Likewise.
7916 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
7917 (store_split_bit_field, extract_split_bit_field): Likewise.
7918 (extract_fixed_bit_field, store_bit_field,
7919 * expr.c: Change alignment to be unsigned everywhere.
7920 (move_by_pieces, store_constructor_field, store_constructor):
7921 Alignment parm is unsigned.
7922 (emit_block_move, emit_group_load, emit_group_store): Likewise.
7923 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
7924 (do_compare_rtx_and_jump): Likewise.
7925 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
7926 Compare align with GET_MODE_ALIGNMENT.
7927 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
7928 (get_inner_reference): Likewise.
7929 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
7930 (expand_assignment): Local vars for alignment now unsigned.
7931 (store_constructor, store_field, expand_expr, do_jump): Likewise.
7932 (do_compare_and_jump): Likewise.
7933 (store_field): Call new function expr_align.
7934 * expr.h (emit_block_move, emit_group_load, emit_group_store):
7935 Alignment arg now unsigned.
7936 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
7937 (do_compare_rtx_and_jump, store_bit_field): Likewise.
7938 (extract_bit_field): Likewise.
7939 * fold-const.c (add_double): Add cast to eliminate signedness warning.
7940 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
7941 (get_best_mode): Alignment arg is unsigned.
7942 * rtl.h (move_by_pieces): Likewise.
7943 * store-layout.c (maximum_field_alignment, set_alignment):
7945 (layout_decl): Alignment arg is now unsigned.
7946 Remove unneeded casts.
7947 (layout_record, layout_union, layout_type): Remove unneeded casts.
7948 Local alignment variables now unsigned.
7949 (get_best_mode): Alignment arg now unsigned.
7950 * tree.c (expr_align): New function.
7951 * tree.h (expr_align): Likewise.
7952 (maximum_field_alignment, set_alignment): Now unsigned.
7953 (get_inner_reference): Alignment argument is now pointer to unsigned.
7954 * varasm.c (assemble_variable): Add cast to eliminate warning.
7956 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
7958 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
7959 then store directly into op0.
7961 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
7962 the CALL_INSN, and emit the note immediately after it.
7964 2000-02-10 Nick Clifton <nickc@cygnus.com>
7966 * config/arm/thumb.md (epilogue): Include a (return) in the
7967 generated insn, and emit it using emit_jump_insn not
7970 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
7972 * function.c (assign_temp): Change zero-sized arrays to size 1.
7973 * integrate.c (expand_inline_function): Do not update
7974 stack_alignment_needed
7975 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
7976 add some sanity checking, remove optimization for function with
7979 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7981 * flow.c (mark_regs_live_at_end): Delete unused variables.
7983 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
7985 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
7986 in macro FRAME_GROWS_DOWNWARD.
7988 * stmt.c (expand_end_bindings): Delete unused variable.
7990 * unroll.c (iteration_info): Mark parameter `loop' with
7993 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7995 * fixinc/server.c (load_data): Return NULL if the marker line is
7997 (run_shell): If load_data returns NULL, retry the command once, in
8000 * configure: Rebuilt.
8002 2000-02-09 Bruce Korb <bkorb@gnu.org>
8004 * gcc/fixincludes: ** DELETED **
8005 * gcc/fixcpp: ** DELETED **
8006 * gcc/fixinc-nt.sed: ** DELETED **
8007 * gcc/just-fixinc: ** DELETED **
8008 * gcc/Makefile.in: Removed out-dated commentary
8009 * gcc/configure.in: Removed fast-fixincludes disablement.
8010 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8012 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8013 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8016 2000-02-09 Richard Henderson <rth@cygnus.com>
8018 * jump.c (delete_insn): Don't delete user labels at -O0.
8020 2000-02-09 Robert Lipe <robertl@sco.com>
8022 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8023 Don't link with HOST_LIBS.
8025 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8027 * configure.in: Correct --help text for --with-dwarf2.
8028 Put tm-dwarf2.h after other tm files, if it's requested.
8029 * configure: Regenerate.
8030 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8033 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8035 * cpplib.h: Provide HASHNODE typedef and forward decl of
8036 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8037 DEFINITION, struct hashnode, struct macrodef, struct
8038 definition, scan_decls prototype, default defn of
8039 INCLUDE_LEN_FUDGE moved elsewhere.
8041 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8042 definition, and struct hashnode moved here. Remove the unused
8043 'predefined' field from struct definition. Replace the 'args'
8044 union with its sole member. All users updated (cpphash.c).
8045 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8046 multiple include guard.
8048 * cpphash.c (hashf): Make static; use better algorithm; drop
8049 HASHSIZE parameter; return an unsigned int.
8050 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8051 used. Calculate HASHSIZE modulus here.
8052 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8054 (create_definition): Drop PREDEFINITION parameter.
8055 * cpplib.c (do_define): Don't calculate a hash value here.
8056 Don't pass (keyword == NULL) to create_definition.
8058 * scan.h: Prototype scan_decls here.
8059 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8060 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8061 callers of cpp_lookup and cpp_install updated.
8063 * cpphash.c (macarg): Hoist all the flag diddling out of the
8065 (macroexpand): ... and out of the loop that calls macarg.
8066 Skip over the initial paren before macro arguments with
8067 cpp_get_non_space_token; point may be some distance before
8068 that paren. Abort if it's not there.
8070 * cpplib.c (parse_clear_mark): Delete function.
8071 (parse_set_mark, parse_goto_mark): Make static.
8072 (ACTIVE_MARK_P): New macro.
8073 (skip_block_comment, skip_line_comment): Do not bump the line
8074 if ACTIVE_MARK_P is true.
8075 (cpp_pop_buffer): The buffer to be popped may not have an
8077 (cpp_get_token): When looking for the initial paren before
8078 macro arguments, only set a mark in a file buffer, Always
8079 return to that mark before proceeding to call macroexpand or
8080 return a NAME token.
8082 * cpplib.h: Remove prototypes of parse_set_mark,
8083 parse_clear_mark, parse_goto_mark.
8084 (struct cpp_options): Rename 'put_out_comments' to
8085 'discard_comments' and invert its sense.
8086 * cppinit.c, cpphash.c, cpplib.c: All users of
8087 put_out_comments changed to use discard_comments, with
8090 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8092 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8093 the edge from a block that both jumps and falls through to the
8096 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8098 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8099 constant source address is legitimate.
8101 2000-02-09 Philip Blundell <pb@futuretv.com>
8103 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8106 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8108 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8110 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8112 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8113 ends with a newline and a NUL. Don't be so clever manipulating
8116 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8118 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8119 not to BIGGEST_ALIGNMENT.
8121 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8123 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8124 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8125 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8126 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8127 * frame.c (execute_cfa_insn): Handle
8128 DW_CFA_GNU_negative_offset_extended.
8130 2000-02-08 Richard Henderson <rth@cygnus.com>
8132 * flow.c (tidy_fallthru_edges): Split out from ...
8133 (delete_unreachable_blocks): ... here.
8134 (find_basic_blocks): Use it.
8136 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8138 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8140 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8142 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8143 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8144 (fix-header.o): Don't depend on cpphash.h.
8146 * scan.c (hashstr): New function.
8147 * scan.h: Prototype it.
8148 * fix-header.c: Don't include cpphash.h. Use hashstr.
8149 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8150 hashstr. Report hash table statistics. Add private
8151 definition of xrealloc.
8153 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8155 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8157 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8159 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8160 jumps with returns unless they are jumps to the fallthru block.
8162 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8164 * i386.md (addqi3_cc): Fix contraints.
8166 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8168 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8170 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8172 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8173 carriage return after a macro name.
8175 2000-02-07 Fred Fish <fnf@be.com>
8177 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8178 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8180 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8182 * cppfiles.c (deps_output): Count spacers in deps_column.
8184 2000-02-07 Neil Booth <NeilB@earthling.net>
8186 * cppinit.c (initialize_dependency_output): If there is no
8187 suffix, don't try to look for known suffixes. Use strrchr.
8188 (cpp_start_read): Remove duplicate initialization.
8190 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8192 * calls.c (compute_argument_block_size): New argument
8193 preferred_stack_boundary.
8194 (expand_call): update cfun->preferred_stack_boundary, update call of
8195 compute_argument_block_size
8196 (emit_library_call): Increate cfun->preferred_stack_boundary
8197 to PREFERRED_STACK_BOUNDARY
8198 (emit_library_call_value): Likewise.
8199 * explow.c (allocate_dynamic_stack_spave): Likewise.
8200 * function.c (prepare_function_start): Set
8201 cfun->preferred_stack_boundary
8202 * function.h (struct function): Add preferred_stack_boundary field.
8203 * integrate.c (expand_inline_function): Update
8204 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8205 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8206 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8208 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8210 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8211 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8212 cpp_pedwarn, cpp_pedwarn_with_line,
8213 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8214 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8215 v_cpp_error_with_line, v_cpp_warning_with_line,
8216 cpp_message_from_errno, cpp_perror_with_name): Delete.
8218 * cpperror.c (cpp_print_containing_files): Take starting
8220 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8221 (v_cpp_message): Now called directly by all entry points.
8223 (cpp_pfatal_with_name, cpp_message): Delete.
8224 (cpp_notice_from_errno, cpp_ice): New functions.
8225 (cpp_notice): Is now for reporting error conditions, just
8226 without an associated file.
8227 (cpp_error, cpp_error_with_line): Don't do anything if
8228 opts->inhibit_errors is on.
8229 (cpp_pedwarn_with_file_and_line): Take column argument also.
8231 * cpplib.h: Update prototypes of exported functions.
8232 (struct cpp_options): Add inhibit_errors.
8234 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8235 non-error messages. Include intl.h.
8237 * cppinit.c, cppmain.c: Likewise. Also, use
8238 cpp_notice_from_errno instead of cpp_perror_with_name or
8239 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8241 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8242 report internal errors.
8244 * cpplib.c (do_define): Switch bcopy to memcpy.
8245 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8247 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8248 bail out early if we hit a line comment.
8250 2000-02-06 Richard Henderson <rth@cygnus.com>
8252 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8253 * basic-block.h: Declare them.
8254 * emit-rtl.h (active_insn_p): New.
8255 (next_active_insn, prev_active_insn): Use it.
8256 * rtl.h: Declare it.
8257 * function.c (emit_return_into_block): New.
8258 (thread_prologue_and_epilogue_insns): Insert return insns instead
8259 of epilogues when possible.
8260 * jump.c (jump_optimize_1): Remove code to insert a return insn
8261 on the fallthru to the exit block.
8263 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8264 and for non-empty stack frames.
8265 * i386.md (return): Expand to return-pop as needed.
8267 2000-02-06 Richard Henderson <rth@cygnus.com>
8269 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8270 constant to op1 for testing.
8272 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8274 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8275 (fixuns_truncqfqi2): Use it.
8277 2000-02-06 Richard Henderson <rth@cygnus.com>
8279 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8282 * i386.md (widening and peepholes): Mask the constant instead of
8285 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8287 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8288 input pointer before possibly branching off to the backslash
8290 * cpphash.c (macroexpand): Correctly delete \r escapes when
8291 stringifying parameters.
8292 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8293 if we can; bail out early if we hit a line comment.
8294 (handle_directive): Treat '# 123' in an .S file just like
8295 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8296 Return 1 for '# not_a_directive'.
8297 (get_directive_token): Pop macro buffers here, so that
8298 cpp_get_token can't sneakily move past a newline.
8300 (cpp_get_token): goto randomchar if handle_directive returns 0.
8302 * cppalloc.c: Update copyright.
8303 * cpplib.c: Merge all the static function prototypes into one
8305 * cpplib.h: Remove #if 0 block.
8307 * cpperror.c: Remove #ifdef EMACS block.
8308 * cppmain.c: Likewise.
8309 * cpphash.c: Remove #if 0 blocks.
8310 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8311 * cpplib.c: Remove #if 0 blocks and code referencing
8312 pcp_inside_if or for_lint. Remove duplicate error message.
8313 Fix error messages for #else after #else or #elif. Reformat.
8314 Remove archaic TODO list.
8315 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8317 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8319 * i386/osf1elf.h: Add missing backslash to multiline string.
8321 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8323 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8325 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8327 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8329 * c-common.c: Include expr.h.
8331 * c-pragma.c (mark_align_stack): Add prototype.
8333 * caller-save.c (add_stored_regs): Likewise.
8335 * combine.c (record_promoted_value): Likewise.
8337 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8340 * cppinit.c (new_pending_define): Likewise.
8342 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8344 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8345 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8346 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8347 class_scope_p): Likewise.
8349 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8350 dwarf2out_add_library_unit_info): Likewise.
8352 * ggc.h (ggc_page_print_statistics): Likewise.
8354 * haifa-sched.c (propagate_deps): Likewise.
8356 * reg-stack.c (next_flags_user, record_label_references): Likewise.
8358 * rtl.h (set_stack_check_libfunc): Likewise.
8360 * toplev.h (set_fatal_function): Likewise.
8362 * toplev.c (set_fatal_function): Delete prototype.
8364 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
8366 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8368 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
8369 (FUNC_END): Likewise.
8371 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8373 * caller-save.c: Include tm_p.h.
8375 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8377 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
8379 2000-02-04 Neil Booth <NeilB@earthling.net>
8381 * cccp.c (main): Check 'dir' for a NULL pointer before passing
8384 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
8386 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
8387 * genflags.c: Use the max_operand_1 logic from genemit.c to
8388 calculate how many arguments gen_insn prototypes have. Remove
8389 NO_MD_PROTOTYPES ifdefs from the generated file.
8390 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
8391 file. Cast gen_insn initializers to insn_gen_fn.
8392 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
8393 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
8395 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8397 * fixinc/Makefile.in (HDR): Add machname.h.
8400 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8402 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
8403 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
8404 (c4x_cpu_version): Ditto.
8405 * config/c4x/c4x-protos.h: ... here.
8407 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
8409 * dwarf2out.c (add_abstract_origin_attribute): Don't call
8410 gen_abstract_function on our context if we're a nested function.
8412 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8414 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
8415 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
8417 2000-02-04 Bruce Korb <bkorb@gnu.org>
8419 * fixinc/genfixes(machname.h):
8420 Move the functionality from gen-machine.h into this file.
8421 UNdef MN_NAME_PAT if there are no names to change.
8422 Also, be a little kinder when AutoGen is not present.
8424 * fixinc/Makefile.in(machname.h):
8425 Change the generation rule to use genfixes.
8427 * fixinc/fixfixes.c(machine_name):
8428 machine_name_fix's functionality now dependent upon whether
8429 MN_NAME_PAT is defined.
8431 * fixinc/fixtests.c(machine_name):
8434 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
8437 * fixinc/fixlib.h(mn_get_regexps):
8440 * fixinc/gen-machine.h: DELETED
8442 2000-02-04 Jan Hubicka <jh@suse.cz>
8443 Richard Henderson <rth@cygnus.com>
8445 * i386.c (SAVE_REGS_FIRST): Remove.
8446 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
8447 (ix86_compute_frame_size): Likewise.
8448 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
8449 (ix86_emit_restore_regs): Remove.
8450 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
8451 when a frame pointer is in use.
8452 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
8453 instead of pop to restore a register when profitable; emit leave
8455 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
8457 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
8458 * i386.md (prologue_allocate_stack): Remove.
8459 (epilogue_deallocate_stack): Remove.
8460 (pro_epilogue_adjust_stack): New.
8462 2000-02-04 Richard Henderson <rth@cygnus.com>
8464 * function.c (diddle_return_value): Rework to use a callback function.
8465 Use current_function_return_rtx if it's been set up.
8466 (do_clobber_return_reg, clobber_return_register): New.
8467 (do_use_return_reg, use_return_register): New.
8468 (expand_function_end): Use them.
8469 * stmt.c (expand_null_return): Likewise.
8470 * function.h: Declare them.
8471 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
8472 (mark_reg): Change arguments as appropriate for callback.
8473 * integrate.c (expand_inline_function): Revert 19 Jan change.
8475 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
8477 * tm.texi (Values in Registers): Fix typo: "fo" "for".
8478 (Misc): Say the scheduler, not the Haifa scheduler.
8480 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
8482 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
8483 when in_mem is set. Update all callers.
8485 2000-02-04 Richard Henderson <rth@cygnus.com>
8487 * i386/openbsd.h (INT_ASM_OP): Define.
8489 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
8491 * tm.texi: Fix various typos.
8493 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
8495 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
8496 (MD_STARTFILE_PREFIX_1): New macro.
8498 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
8500 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
8501 destination when needed.
8502 (strmovsi, strsetsi): New expander.
8503 (strmovsi_1, strsetsi_1): New pattern.
8504 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
8505 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
8506 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
8507 * invoke.texi (align-stringops, inline-all-stringops): Document.
8509 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
8511 * i386/netbsd.h (INT_ASM_OP): Define.
8513 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
8515 * cpplib.h (cpp_reader): Add new flag, no_directives.
8516 * cpphash.c (macarg): Set it.
8517 * cpplib.c (handle_directive): If no_directives is on and we
8518 find a directive, issue an error and discard the line.
8520 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
8522 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
8523 FP constants. Add ! TARGET_FPU check for FP constants.
8525 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
8527 * flow.c (find_basic_blocks): Don't kill label_value_list
8529 (cleanup_cfg): Kill it here.
8531 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8533 * expr.c (store_field): Ensure ALIGN is no stricter than the
8536 2000-02-02 Richard Henderson <rth@cygnus.com>
8538 * jump.c (delete_insn): Partially revert 19 Jan change;
8539 don't convert unused code labels to notes at -O0.
8541 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8543 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
8544 split_all_insns to recreate REG_LABEL notes for flow2 pass.
8546 2000-02-01 Richard Henderson <rth@cygnus.com>
8548 * i386.c (general_no_elim_operand): New.
8549 (nonmemory_no_elim_operand): New.
8550 (ix86_expand_move): Copy eliminable operands before a push.
8551 * i386-protos.h: Declare new functions.
8552 * i386.h (CAN_ELIMINATE): Simplify.
8553 (PREDICATE_CODES): Update.
8554 * i386.md (push insns): Don't allow eliminable register operands.
8556 2000-02-01 Richard Henderson <rth@cygnus.com>
8558 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
8559 replace BLKmode with DECL_RTL's mode.
8561 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
8563 * frame.c (find_fde): Convert for loop to do-while so compiler
8564 sees it's always executed at least once.
8565 * libgcc2.c (BBINBUFSIZE): Kill.
8566 (__bb_init_prg): Use fgets.
8567 (__bb_exit_trace_func): Don't paste strings.
8568 * unroll.c (unroll_loop): Initialize unroll_type, not
8569 unroll_number, and tweak logic to match.
8571 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
8573 (ix86_flags_dependant): Likewise. Disentangle control flow.
8574 (ix86_sched_reorder): Break guts out to
8575 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
8576 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
8579 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
8580 use string concatenation. Don't save and restore esi.
8582 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
8583 (machname.h): Remove script to separate file. Use two-step
8584 sequence so target is not created if script fails.
8585 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
8586 identifiers are defined.
8587 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
8588 an empty string, machine_name doesn't need to do anything at
8590 (is_cxx_header): Add more cases to regexp.
8591 * fixinc/fixlib.h: Update prototype.
8592 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
8594 * fixinc/fixincl.c: Define NO_BOGOSITY.
8596 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
8597 (hp_sysfile): Add missing comma.
8598 (math_exception): Put the wrapper ifdefs at the beginning and
8599 the end of the file.
8600 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
8602 2000-02-01 Richard Henderson <rth@cygnus.com>
8604 * sparc.c (fp_zero_operand): Turn into a normal predicate.
8605 Use CONST0_RTX. Update all callers.
8606 * sparc.h, sparc-protos.h: Update accordingly.
8607 * sparc.md (fp mov insns): Use fp_zero_operand directly
8610 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8612 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
8615 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8617 * Makefile.in (specs.ready): New target.
8618 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
8620 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8622 * fixinc.irix: Use unique filenames for writing into /tmp,
8623 * fixinc.ptx: Likewise.
8624 * fixinc.sco: Likewise.
8625 * fixinc.svr4: Likewise.
8626 * fixinc.winnt: Likewise.
8628 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8630 * tsystem.h: New file.
8632 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
8633 s-crtS): Depend on tsystem.h.
8635 * crtstuff.c: Include tsystem.h.
8636 * frame.c: Likewise.
8637 * libgcc2.c: Likewise.
8639 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
8641 * builtins.c (expand_builtin_memset): Expand for variable sized
8644 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
8646 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
8649 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
8651 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
8653 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
8655 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
8657 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
8658 case 3->2 combining (combining with splitting) in which 2 is CC0
8659 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
8660 checked at the begining of the function with the aid of calling
8661 function 'can_combine_p'.
8663 2000-01-31 Dave Brolley <brolley@redhat.com>
8665 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
8667 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
8669 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
8672 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8674 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
8676 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
8679 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
8681 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
8682 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
8683 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
8684 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
8685 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
8686 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
8687 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
8688 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
8689 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
8690 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
8692 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
8693 Add %(cpp_cpu) to CPP_SPEC.
8695 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
8696 Add %(cc1_cpu) to CC1_SPEC.
8698 2000-01-28 Ulrich Drepper <drepper@redhat.com>
8700 * c-decl.c (c_decode_option): Accept optional numeric argument to
8701 -Wformat and set warn_format.
8702 * c-common.c: Don't emit warning about non-constant printf format
8703 string unless warn_format > 1.
8705 2000-01-30 Richard Henderson <rth@cygnus.com>
8707 * alpha.md (return_internal): Allow after reload only.
8709 2000-01-30 Richard Henderson <rth@cygnus.com>
8711 * i386.c (ix86_compute_frame_size): Omit padding1 if the
8712 local frame size is zero.
8714 2000-01-30 Richard Henderson <rth@cygnus.com>
8716 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
8717 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
8718 * alpha.md (return): Turn into an expander.
8719 (return_internal): Don't use $26.
8720 (epilogue): Emit the return insn.
8722 2000-01-30 Richard Henderson <rth@cygnus.com>
8724 * alpha.md (negtf2, abstf2): Fix word order thinko.
8726 (trunctfsf2): Avoid intermediate rounding errors.
8728 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
8730 * cppfiles.c (find_position): Drop 'colp' argument, return the
8732 (read_and_prescan): Adjust to match. Don't ever manipulate
8733 line or line_base except via find_position.
8735 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
8737 * c-parse.in: Apply Ulrich's changes from c-parse.y.
8738 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
8741 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
8743 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
8744 just print "<command line>". If 'filename' is null or an
8745 empty string, print "<stdin>" for the filename.
8746 * cpplib.c (do_define): Don't print the 'location of the
8747 previous definition' message if we're still parsing the
8749 (cpp_pedwarn_with_file_and_line): Always call
8750 cpp_file_line_for_message.
8752 2000-01-29 Mark Mitchell <mark@codesourcery.com>
8754 * flow.c (mark_regs_live_at_end): Fix typo.
8756 2000-01-28 Ulrich Drepper <drepper@redhat.com>
8758 * c-common.c: Adjust variable names, comments, help strings to c99.
8759 * c-lex.c: Likewise.
8760 * c-parse.y: Likewise.
8761 * c-tree.h: Likewise.
8763 * cpplib.h: Likewise.
8764 * c-decl.c: Likewise. Recognize options with names "*99" as well.
8765 * cppinit.c: Likewise.
8767 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8769 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
8770 * c4x.c: Define the optab rtx values.
8771 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
8772 (c4x_emit_libcall): Use new optab rtx values.
8773 (c4x_emit_libcall3): Likewise.
8774 (c4x_emit_libcall_mulhi): Likewise.
8775 * c4x-protos.h: Add prototypes for optab rtx values and change
8776 prototypes for above c4x_emit_libcall functions.
8778 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8780 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
8782 (c4x_function_prologue): Use regnames intead of float_reg_names when
8784 (c4x_function_epilogue): Likewise.
8785 (c4x_print_operand): Likewise.
8786 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
8787 * c4x.md (set_high): Disable for TARGET_TI.
8789 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8791 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
8792 of framepointer + constant to ADDR_REGS class.
8793 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
8794 * c4x.c (std_or_reg_operand): New function.
8795 * c4x-protos.h (std_or_reg_operand): Prototype it.
8797 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8799 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
8800 object names as libgcc2.c.
8801 * libgcc.S: Use newly defined names.
8803 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
8804 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
8806 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
8807 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
8808 (FLOW_LOOP_LAST_BLOCK): Likewise.
8810 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8812 * basic-block.h (struct loop): New fields 'first' and 'last'.
8813 * flow.c (flow_loops_find): Compute loop->first and loop->last.
8814 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
8815 and loop->last to check for NOTE_INSN_LOOP_END.
8817 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
8819 * predict.c (estimate_probability): Use the new FIRST and LAST fields
8820 of the loop descriptor rather than HEADER and LATCH. Also added
8821 missing break statements as well making some coding style modifications
8822 as suggested by Michael Hayes.
8824 2000-01-28 Richard Henderson <rth@cygnus.com>
8826 * flow.c (find_basic_blocks): Remove do_cleanup argument.
8827 Break out that code ...
8828 (cleanup_cfg): ... here.
8829 (commit_one_edge_insertion): Detect a return instruction being
8830 emitted to an edge. Emit a barrier following; clear fallthru.
8831 (commit_edge_insertions): Verify CFG consistency.
8832 * function.c (expand_function_start): Kill unused variable.
8833 (expand_function_end): Likewise.
8834 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
8835 to insert the epilogue.
8837 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
8838 (delete_null_pointer_checks): Likewise.
8839 * output.h: Likewise.
8840 * reg-stack.c (reg_to_stack): Likewise.
8841 * toplev.c (rest_of_compilation): Likewise. Run
8842 thread_prologue_and_epilogue_insns after rebuilding the CFG.
8844 2000-01-28 Richard Henderson <rth@cygnus.com>
8846 * Makefile.in (flow.o): Revert 24 Jan change.
8847 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
8848 FUNCTION_VALUE result to DECL_RESULT's mode.
8850 * haifa-sched.c (schedule_insns): Don't recompute reg info
8853 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
8855 * configure.in: Make --enable-cpplib the default.
8856 * configure: Regenerate.
8857 * gcc.dg/990119-1.c: No longer expected to fail.
8859 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
8861 * jump.c (jump_optimize_1): Delete an optimization that is also done
8862 by merge_blocks in flow.
8864 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8866 * diagnostic.c (build_message_string, output_printf,
8867 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
8868 (build_location_prefix): Fix non-literal format string.
8870 2000-01-27 Richard Henderson <rth@cygnus.com>
8872 * alpha.md (trunctfsf2): New.
8874 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
8876 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
8878 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
8880 * cppinit.c (cpp_handle_option): Recognize C++ comments under
8882 * cpplib.c (skip_block_comment, skip_line_comment): Split code
8884 (skip_comment) ... here. Permit C++ comments in system
8885 headers always. Warn about C++ comments in user code under
8886 -std=gnu89 -pedantic.
8887 (copy_comment): Use skip_comment.
8888 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
8890 (consider_directive_while_skipping, do_else, do_endif): Call
8891 validate_else unconditionally.
8892 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
8893 text after the conditional in a system header.
8894 * cpplib.h (struct cpp_buffer): Add flag
8895 warned_cplusplus_comments.
8897 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
8899 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
8900 Use unshare_all_rtl_1.
8901 (unshare_all_rtl_again): New function.
8902 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
8904 * function.c (purge_addressof_1): Use unshare_all_rtl_again
8905 rather than resetting the 'used' flags ourself.
8907 * toplev.c (rest_of_compilation): Add current_function_decl
8908 to the unshare_all_rtl call.
8909 * tree.h: Prototype unshare_all_rtl.
8910 * rtl.h: Prototype unshare_all_rtl_again here.
8912 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
8914 * genoutput.c (output_prologue): Include ggc.h in generated
8916 * Makefile.in (insn-output.o): Depends on ggc.h.
8918 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
8919 Hans-Peter Nilsson <hp@bitrange.com>
8921 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
8922 Remove redundant include of xm-ns32k.h.
8923 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
8924 Remove redundant include of xm-ns32k.h.
8925 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
8926 Remove redundant include of xm-ns32k.h.
8927 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
8929 * ns32k/ns32k.h: Update comment on multiply-add instructions.
8930 (TARGET_SWITCHES): Add documentation strings.
8931 (DWARF_FRAME_REGNUM): Override default definition.
8932 (REG_CLASS_CONTENTS): Add comments.
8933 (SUBSET_P): Format to reduce line length.
8934 (SMALL_REGISTER_CLASSES): Make a run time option.
8935 (GO_IF_NONINDEXED_ADDRESS): Reformat.
8936 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
8937 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
8938 (regclass_map): fix typo in comment.
8939 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
8940 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
8941 (trace, reg_or_mem_operand): Delete, unused function.
8942 (calc_address_cost): Small offsets are cheaper than large ones.
8943 (expand_block_move): Generate more efficient code when bytes is a
8944 known at compile time.
8945 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
8946 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
8947 instead of reg_or_mem_operand.
8949 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
8950 not general_operand. Similarly use "=rm" or stricter, not "=g".
8951 For input operands, use stricter constraints than "g" if not
8952 general_operand. Similarly use stricter predicate than
8953 "general_operand" when stricter constraints than "g" are present,
8954 except for matching constraints.
8955 (movstrsi): Use "memory_operand" for operands 0 and 1.
8956 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
8957 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
8958 not reg_or_mem_operand.
8959 (udivmoddisi4): Ditto.
8960 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
8961 Use nonimmediate_operand for operand 3, not register_operand.
8962 (udivmoddiqi4_internal): Use register_operand for operand 1, not
8965 2000-01-27 Fred Fish <fnf@be.com>
8967 * gthr-posix.h: Fix typo; compatibily -> compatibility.
8968 * gthr-single.h: Likewise.
8969 * gthr-solaris.h: Likewise.
8970 * gthr-vxworks.h: Likewise.
8971 * gthr-win32.h: Likewise.
8974 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
8976 * cppinit.c: Add " (cpplib)" to end of string printed by
8979 2000-01-27 Richard Henderson <rth@cygnus.com>
8981 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
8982 testing for a signed comparison.
8983 (alpha_emit_floatuns): New.
8984 * alpha-protos.h: Declare it.
8985 * alpha.md (floatunsdisf2, floatunsdidf2): New.
8986 (extendsfdf2): Tidy.
8988 2000-01-27 Jakub Jelinek <jakub@redhat.com>
8990 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
8991 no -g option specifying debugging format, default to -gstabs+.
8993 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8995 * calls.c (special_function_p): New argument fork_or_exec.
8996 (expand_call): When profile_arc_flag is set and the function
8997 is in the fork_or_exec group, call __bb_fork_func first.
8998 * libgcc2.c, _bb module (__bb_fork_func): New function.
8999 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9001 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9002 * tree.h (special_function_p): Update prototype.
9004 2000-01-26 Richard Henderson <rth@cygnus.com>
9006 * alpha.c (alpha_split_tfmode_pair): New.
9007 * alpha-protos.h: Declare it.
9008 * alpha.md (abstf2, negtf2): New.
9009 (movtf insn): Add input G constraint.
9010 (movtf splitter): Use alpha_split_tfmode_pair.
9012 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9014 * i386/cygwin.h: PROTO -> PARAMS.
9016 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9018 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9019 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9020 using _Qp_cmp/_Q_cmp and testing the return value.
9021 (print_operand): Call reverse_condition_maybe_unordered if
9022 we are handling CCFPmode or CCFPEmode.
9023 Handle ORDERED, UN* and LTGT comparisons.
9024 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9025 if not TARGET_HARD_QUAD.
9026 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9027 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9028 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9029 Adjust gen_b* calls so that they reflect return comparison of
9030 sparc_emit_float_lib_cmp.
9032 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9034 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9035 incoming operands array is large enough for one more operand.
9036 (alpha_emit_xfloating_arith): Likewise.
9038 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9040 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9041 file with one line and no trailing newline.
9042 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9043 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9044 checking if the match is on the line.
9045 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9047 2000-01-25 Richard Henderson <rth@cygnus.com>
9049 * sparc.c (output_cbranch): Fix accidental squashing of the
9050 fp branch pre-delay nop.
9052 2000-01-25 Richard Henderson <rth@cygnus.com>
9054 * tree.def (UNNE_EXPR): Remove.
9055 * c-typeck.c (build_binary_op): Don't handle it.
9056 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9058 * rtl.def (UNNE): Remove.
9060 * jump.c (reverse_condition): Update accordingly.
9061 (swap_condition): Likewise.
9062 (comparison_dominates_p): Handle unordered comparisons.
9063 (reverse_condition_maybe_unordered): New.
9064 * rtl.h (reverse_condition_maybe_unordered): Declare.
9066 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9067 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9068 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9069 * sparc.md (bltgt): New.
9071 2000-01-25 Nick Clifton <nickc@redhat.com>
9073 * emit-rtl.c (emit_insn): Only check machine class insns for
9074 improper emission of a RETURN.
9076 2000-01-25 Richard Henderson <rth@cygnus.com>
9078 * Makefile.in (flow.o): Depend on $(EXPR_H).
9079 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9080 duplicate the structure of diddle_return_value for keeping regs live.
9082 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9084 * loop.c (current_loop_info): Delete.
9085 (consec_sets_invariant_p): Add loop argument, update callers.
9086 (get_condition_for_loop): Likewise.
9087 (count_nonfixed_reads, update_giv_derive): Likewise.
9088 (simplify_giv_expr, general_induction_var): Likewise.
9089 (consec_sets_giv, recombine_givs): Likewise.
9090 (move_movables): Delete loop_start and loop_end arguments,
9091 add loop argument, and update callers.
9092 (find_mem_givs, check_final_value): Likewise.
9093 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9094 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9096 (basic_induction_var): Add loop argument, delete loop_level argument,
9098 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9099 add loop argument, and update callers.
9100 (find_splittable_regs, find_splittable_givs): Likewise.
9101 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9102 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9103 (biv_total_increment): Delete loop_start and loop_end arguments;
9105 (precondition_loop_p): Delete loop_start and loop_info arguments;
9107 * loop.h (get_condition_for_loop): Add loop argument.
9108 (biv_total_increment): Delete loop_start and loop_end arguments.
9109 (precondition_loop_p): Delete loop_start and loop_info arguments;
9111 (final_biv_value): Delete loop_start and loop_end arguments;
9113 (final_giv_value, back_branch_in_range_p): Likewise.
9115 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9117 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9119 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9121 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9122 point to the new "generated_files" doc.
9124 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9126 * config/fp-bit.c (_unord_f2): Fix typo.
9128 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9130 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9131 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9132 functions obsoleted by GC, such as push_obstacks_nochange,
9133 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9134 and code which existed only to decide whether or not to call
9135 them. Remove now-unused NESTED argument from start_function;
9136 all callers changed. Do not change behavior based on ggc_p.
9137 The use of the ixp_obstack in c-iterate.c and the util_obstack
9138 in objc/objc-act.c remain; these are not obsoleted by garbage
9140 * c-tree.h: Update prototype for start_function.
9142 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9144 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9146 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9149 2000-01-25 Richard Henderson <rth@cygnus.com>
9151 * sparc-protos.h (select_cc_mode): Declare.
9152 * sparc.c (select_cc_mode): New. Handle unordered compares.
9153 (output_cbranch): Always reverse via code change. Handle
9154 unordered compares. Factor tests and string updates.
9155 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9156 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9157 * sparc.md (bunordered, bordered): New.
9158 (bungt, bunlt, buneq, bunge, bunle): New.
9160 2000-01-25 Richard Henderson <rth@cygnus.com>
9162 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9163 * ggc-common.c (ggc_add_rtx_varray_root): New.
9164 (ggc_mark_rtx_varray): New.
9165 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9166 functions down below ggc_mark_foo.
9167 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9169 2000-01-25 Richard Henderson <rth@cygnus.com>
9171 * alpha.c (secondary_reload_class): Don't allocate a secondary
9172 for integral mode memories into FLOAT_REGS. Rearrange the more
9173 complicated memory expression inward.
9175 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9177 * inclhack.def: Fixes to play nicer with FreeBSD, and
9178 corrections to comments.
9179 (cxx_unready): Add select expression.
9180 (irix_sockaddr): Add bypass expression.
9181 (machine_ansi_h_va_list): New fix.
9182 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9183 Split out addition of "#include <stdarg.h>" to...
9184 (stdio_stdarg_h): ... here.
9185 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9186 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9187 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9189 (ultrix_ifdef): Tighten up select expression.
9191 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9192 re_ct and max_mach to avoid use of shell. Make printed names
9193 match names in inclhack.def. Use static copyright date.
9194 Don't count c_test and test expressions as requiring regex_t
9195 slots. Add some commentary.
9196 * inclhack.tpl: Do not include the 'This script contains N
9197 fixup scripts' line if PROGRAM is defined. Use static
9200 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9202 * dwarf2out.c: include "varray.h", not dyn-string.h.
9203 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9204 (addr_const_to_string, addr_to_string): Lose.
9205 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9206 (struct dw_val_struct): val_addr is now an rtx.
9207 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9208 (used_rtx_varray): New varray.
9209 (dwarf2out_init): Initialize it.
9211 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9213 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9214 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9215 * Makefile.in (dwarf2out.o): Update dependencies.
9217 2000-01-24 Richard Henderson <rth@cygnus.com>
9219 * i386.c (i386_dwarf_output_addr_const): New.
9220 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9222 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9224 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9225 * i386.c (i386_simplify_dwarf_addr): New.
9226 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9228 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9230 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9231 TYPE_STUB_DECL is NULL.
9233 2000-01-24 Richard Henderson <rth@cygnus.com>
9235 * builtins.c (expand_tree_builtin): Move ...
9236 * c-common.c (expand_tree_builtin): ... here.
9238 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9240 * loop.h (LOOP_INFO): New accessor macro.
9241 * basic-block.h (struct loop): Rename field `info' to `aux'.
9242 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9243 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9244 * unroll.c (loop_iterations, unroll_loop): Likewise.
9246 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9248 * config/i386/t-cygwin: Accomodate new winsup directory layout
9249 when searching for include files.
9251 2000-01-24 Richard Henderson <rth@cygnus.com>
9253 * rtl.def: Add unordered fp comparisions.
9254 * tree.def: Likewise.
9255 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9257 * builtins.c (expand_tree_builtin): New function.
9258 * c-typeck.c (build_function_call): Use it.
9259 (build_binary_op): Support unordered compares.
9260 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9262 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9263 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9264 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9265 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9266 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9268 (swap_condition): Handle unordered compares.
9269 (thread_jumps): Check can_reverse before reversing.
9270 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9273 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9274 setcc is present before acking for cmp_optab. Update all callers.
9275 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9276 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9277 * expr.c (expand_expr): Likewise. Support unordered compares.
9278 (do_jump, do_store_flag): Likewise.
9279 * expr.h (enum libfunc_index): Add unordered compares.
9281 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9282 (DPBIT_FUNCS): Add _unord_df.
9283 * config/fp-bit.c (_unord_f2): New.
9284 * fp-test.c (main): Try unordered compare builtins.
9286 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9287 * alpha.c (alpha_comparison_operator): Check mode properly.
9288 (alpha_swapped_comparison_operator): Likewise.
9289 (signed_comparison_operator): Likewise.
9290 (alpha_fp_comparison_operator): New.
9291 (alpha_emit_conditional_branch): Handle unordered compares.
9292 * alpha.h (PREDICATE_CODES): Update.
9293 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9294 (bunordered, bordered): New.
9296 2000-01-24 Richard Henderson <rth@cygnus.com>
9298 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9299 * alpha.md (movtf): New expander, insn, and splitter.
9301 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9303 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9306 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9308 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9309 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9310 REG_ALLOC_ORDER): Add frame pointer
9311 (FRAME_POINTER_REGNUM): Set to 20
9312 (HARD_FRAME_POINTER_REGNUM): New macro.
9313 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9314 to HARD_FRAME_POINTER.
9315 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9316 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9317 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9318 (HI_REGISTER_NAMES): Add "frame".
9319 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9320 (debug_reg): Handle FRAME_POINTER_REGNUM.
9321 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9322 GENERAL_REGS and INDEX_REGS.
9323 * i386.c (SAVED_REGS_FIRST): new macro.
9324 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9325 (ix86_decompose_address, memory_address_length): Likewise.
9326 (regclass_map): Add frame pointer.
9327 (call_insn_operand): Handle frame_pointer_rtx.
9328 (reg_no_sp_operand): Likewise.
9329 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9330 (print_operand, legitimize_pic_address): Fix formating.
9331 (ix86_compute_frame_size): Make static, update prototype, new
9332 parameters padding1, padding2, use ix86_nsaved_regs, use
9333 stack_alignment_needed.
9334 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9335 to HARD_FRAME_POINTER_REGNUM conversions.
9336 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9337 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9338 (print_reg): Abort on FRAME_POINTER_REGNUM
9340 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9342 * i386.h (PREDICATE_CODES): Add aligned_operand.
9343 * i386.c (aligned_operand): New function.
9344 (ix86_aligned_p): Kill.
9345 * i386.md (movhi_1): Emit mov for aligned operands.
9346 (promoting peep2s): Use aligned_operand.
9348 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9350 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9351 expression to allow underscores in macro names.
9352 (fix_char_macro_defines): Increment scanning pointer.
9354 2000-01-23 Richard Henderson <rth@cygnus.com>
9356 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
9357 * alpha/osf5.h: New file.
9358 * configure.in (alpha-*-osf5): Add it to tm_file.
9360 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
9362 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
9363 (alpha_emit_xfloating_cvt, function_arg): Declare.
9364 * alpha.c (alpha_emit_conditional_branch): Call
9365 alpha_emit_xfloating_compare for TFmode compares.
9366 (alpha_lookup_xfloating_lib_func): New.
9367 (alpha_compute_xfloating_mode_arg): New.
9368 (alpha_emit_xfloating_libcall): New.
9369 (alpha_emit_xfloating_arith): New.
9370 (alpha_emit_xfloating_compare): New.
9371 (alpha_emit_xfloating_cvt): New.
9372 (print_operand): Add default abort case.
9373 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
9374 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
9375 (BIGGEST_ALIGNMENT): Increase to 128 bits.
9376 (RETURN_IN_MEMORY): True for TF/TCmode.
9377 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
9378 (FUNCTION_ARG): Move to function_arg.
9379 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
9380 (ASM_OUTPUT_LONG_DOUBLE): New.
9381 (ASM_OUTPUT_DOUBLE): Always output bits.
9382 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
9383 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
9384 (extenddftf2, trunctfdf2): New.
9386 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9388 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
9389 * config/sparc/sol2.h: ... here.
9391 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9393 * basic-block.h (struct loops): New field `levels'.
9394 * flow.c (flow_loops_level_compute): Traverse all outer loops.
9395 (flow_loop_level_compute): Initialise level to 1.
9396 (flow_loops_find): Set loops->levels.
9397 (flow_loops_dump): Print loops->levels.
9399 2000-01-23 Richard Henderson <rth@cygnus.com>
9401 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
9402 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
9404 2000-01-23 Richard Henderson <rth@cygnus.com>
9406 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
9407 * i386.h (DBX_REGISTER_NUMBER): Use them.
9408 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
9409 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
9410 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
9411 * i386/sequent.h: Kill incorrect comment.
9413 2000-01-23 Mark Mitchell <mark@codesourcery.com>
9415 * ggc-page.c (struct page_entry): Make `context_depth' an
9417 (struct globals): Likewise.
9419 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
9421 * loop.c (check_dbra_loop): When checking a loop for
9422 reversability, check the source of any stores to ensure
9423 they don't depend on an initial value.
9425 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9427 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
9429 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
9431 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
9432 'pz_scan' into scope of entire function. Only affects
9433 compiles with -DDEBUG.
9435 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
9437 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
9438 section naming to that prior to 2000-01-07 patch.
9439 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
9440 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
9441 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
9442 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
9443 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
9445 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
9447 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
9450 2000-01-21 Jim Wilson <wilson@cygnus.com>
9452 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
9453 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
9455 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9457 * cpphash.c (change_newlines): Delete function.
9458 (struct argdata): Delete 'newlines' and 'use_count' fields.
9459 (macroexpand): Remove code referencing those fields.
9461 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9463 * loop.c (loops_info): New variable.
9464 (loop_optimize): Allocate loops->array and free it on exit.
9465 Allocate memory for loops_info and assign to each loop,
9467 (find_and_verify_loops): Do not allocate loops->array.
9469 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9471 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
9473 2000-01-21 Jakub Jelinek <jakub@redhat.com>
9475 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
9476 pseudos if expanded after first flow.
9477 (movdi_pic_label_ref): Likewise.
9479 2000-01-20 Richard Henderson <rth@cygnus.com>
9481 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
9483 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
9485 * Makefile.in (fixinc.sh): Depend on specs.
9486 * fixinc/Makefile.in: Add rule to create machname.h.
9487 (fixlib.o): Depend on machname.h.
9488 * fixinc/fixtests.c (machine_name): New test.
9489 * fixinc/fixfixes.c (machine_name): New fix.
9490 * fixinc/fixlib.c (mn_get_regexps): New helper function for
9491 the machine_name test and fix.
9492 * fixinc/fixlib.h: Prototype it.
9493 * fixinc/inclhack.def (machine_name): Use the C test and fix.
9494 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
9496 * gcc.c (do_spec_1) [case P]: Take care not to create
9497 identifiers with three leading or trailing underscores.
9499 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
9500 (fixincl): Don't specify libraries twice on link line.
9501 (gnu-regex.o): Remove special rule.
9502 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
9503 defined by config.h. Do not define _REGEX_RE_COMP.
9504 (regcomp): Allocate and initialize a fastmap.
9505 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
9507 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
9509 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
9511 2000-01-19 Richard Henderson <rth@cygnus.com>
9513 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
9514 arguments with BB. Update all callers. Tidy line wrapping.
9516 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
9518 * emit-rtl.c (try_split): Return last_insn if we split the
9521 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
9523 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
9524 (ix86_initial_elimination_offset): Declare.
9525 * i386.c (ix86_nsaved_regs): Break out from ...
9526 (ix86_can_use_return_insn_p): ... here.
9527 (ix86_emit_save_regs): Break out from ...
9528 (ix86_expand_prologue): ... here.
9529 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
9531 (ix86_expand_epilogue): ... here.
9532 (ix86_compute_frame_size): Make static, add prototype.
9533 (ix86_initial_elimination_offset): Break out from ...
9534 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
9536 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9538 * recog.h (OUT_FCN): Delete.
9540 * vax.md: Call `get_insn_template' instead of OUT_FCN.
9542 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9544 * cppalloc.c: PROTO -> PARAMS.
9545 * cpperror.c: Likewise.
9546 * cppfiles.c: Likewise.
9547 * cpplib.c: Likewise.
9548 * cpplib.h: Likewise.
9550 * config/arm/arm-protos.h: PROTO -> PARAMS.
9551 * config/arm/arm.c: Likewise.
9552 * config/c4x/c4x.c: Likewise.
9553 * config/fr30/fr30-protos.h: Likewise.
9554 * config/nextstep.c: Likewise.
9555 * config/pa/pa.c: Likewise.
9556 * config/pj/pj.c: Likewise.
9557 * config/rs6000/rs6000.c: Likewise.
9558 * config/v850/v850-protos.h: Likewise.
9559 * config/v850/v850.c: Likewise.
9561 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9563 * i370-protos.h: New file.
9565 * i370.c: Include tm_p.h. Fix compile time warnings.
9567 * i370.h: Move prototypes to i370-protos.h. Fix compile time
9570 * i370.md: Likewise.
9572 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9574 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
9575 (target_isinf, target_isnan, eisnan): Mark parameter with
9577 (eiisinf): Wrap in INFINITY.
9578 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
9579 (ibmtoe): Remove unused variable `rndsav'.
9581 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9583 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
9584 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
9586 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
9588 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
9589 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
9590 (fix_char_macro_defines, fix_char_macro_uses): New functions.
9592 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
9593 Recognize Emacs mode markers also.
9594 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
9595 C++ comments in C++ headers. Call is_cxx_header only if
9598 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
9600 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
9601 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
9602 ... these, which use the new C fixes.
9603 (math_exception): Escape literal '+' in bypass expression.
9605 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
9608 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9610 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
9613 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9615 * loop.c (loop_optimize): Allocate loop_info structure for each loop
9616 prior to calling scan_loop.
9618 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9620 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
9621 (split_branches, calc_live_regs): Likewise.
9623 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9625 * sh.md (fpu_single, fp_mode): New attributes.
9627 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9629 * loop.c (current_loop_info): Renamed from loop_info_data
9630 and changed to a pointer.
9631 (loop_optimize): Allocate loop_info structure for each loop
9632 and initialise to zero.
9633 (scan_loop): Set current_loop_info.
9635 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
9638 2000-01-19 Richard Henderson <rth@cygnus.com>
9640 * stupid.c: Die die die.
9641 * Makefile.in (OBJS): Remove stupid.o.
9642 (stupid.o): Likewise.
9644 * except.c (emit_eh_context): Don't emit USEs for stupid.
9645 * explow.c (probe_stack_range): Likewise.
9646 * flags.h (obey_regdecls): Remove.
9647 * flow.c (find_basic_blocks): Don't run try_merge_blocks
9648 when not optimizing.
9649 (life_analysis): Limit data collection when not optimizing.
9650 (mark_regs_live_at_end): Always mark the return value registers.
9651 (mark_used_regs): Remove dummy RETURN case.
9652 (print_rtl_with_bb): Don't consult obey_regdecls.
9653 * function.c (use_variable, use_variable_after): Remove.
9654 (assign_parms): Consult optimize not obey_regdecls.
9655 (expand_function_start): Don't emit USEs for stupid.
9656 (expand_function_end): Likewise.
9657 * global.c (build_insn_chain): Export.
9658 * integrate.c (expand_inline_function): Kill return-value USE
9660 * jump.c (jump_optimize_1): Do simple jump optimizations and
9661 dead code elimination.
9662 (calculate_can_reach_end): Remove check_deleted argument.
9663 (delete_insn): Patch out insns even when not optimizing.
9664 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
9665 * rtl.h (use_variable, use_variable_after): Remove declarations.
9666 (build_insn_chain): Declare.
9667 * stmt.c (expand_value_return): Don't emit USEs for stupid.
9668 (expand_end_bindings): Likewise.
9669 (expand_decl): Likewise. Consult optimize not obey_regdecls.
9670 * toplev.c (obey_regdecls): Remove.
9671 (rest_of_compilation): Don't set it. Kill stupid in favour of
9672 flow1, local-alloc, and reload.
9673 (main): Don't set obey_regdecls.
9675 * config/nextstep.c (handle_pragma): Likewise.
9677 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
9679 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
9681 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9683 * alpha-protos.h: PROTO -> PARAMS.
9684 * alpha.c: Likewise.
9686 * h8300.c: Likewise.
9687 * i386-protos.h: Likewise.
9689 * m32r-protos.h: Likewise.
9692 * mips.md: Likewise.
9693 * gmon-sol2.c: Likewise.
9694 * sparc.c: Likewise.
9696 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9698 * ns32k-protos.h: New file.
9700 * ns32k.c: Fix compile time warnings.
9702 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
9705 * ns32k.md: Likewise.
9707 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9709 * vax-protos.h: New file.
9711 * vax.c: Fix compile time warnings.
9713 * vax.h: Move prototypes to vax-protos.h. Fix compile time
9718 * vaxv.md: Likewise.
9720 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9722 * romp-protos.h: New file.
9724 * romp.c: Fix compile time warnings.
9726 * romp.h: Move prototypes to romp-protos.h. Fix compile time
9729 * romp.md: Likewise.
9731 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9733 * we32k-protos.h: New file.
9735 * we32k.c: Fix compile time warnings.
9737 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
9740 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9742 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
9744 * except.c (eh_regs): Likewise.
9746 * final.c (output_operand): Likewise.
9748 * fold-const.c (target_isinf, target_isnan): Likewise.
9750 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9752 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
9753 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
9755 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
9757 (clrstrsi): Rewrite.
9758 (strsethi, strsetqi): New expanders.
9759 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
9760 (cmpstrsi): Emit compare insn before cmpstrsi_1
9761 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
9762 (strlensi_1): Likewise.
9763 (cmpstrsi_1): Likewise; do not output compare.
9764 (strlen expander): Do not unroll when optimizing for size.
9765 (*subsi3_carry): Rename to subsi3_carry
9766 (addqi3_cc): New pattern.
9767 * i386.h (processor_costs): Add move_ratio field.
9768 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
9769 * i386.c (*_cost): Set move_ratio.
9770 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
9771 (x86_expand_strlensi_1): Rewrite the main loop.
9773 2000-01-17 Richard Henderson <rth@cygnus.com>
9775 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
9776 * cse.c (find_comparison_args, fold_rtx): Likewise.
9777 * integrate.c (subst_constants): Likewise.
9778 * loop.c (get_condition): Likewise.
9780 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
9782 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
9784 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9786 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
9787 (RESTORE_WARN_FLAGS): Unpack it.
9788 Change semantic type of extension to ttype.
9789 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
9790 * c-parse.y, c-parse.c, objc/objc-parse.y,
9791 objc/objc-parse.c: Regenerate.
9793 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
9795 * fixinc/fixlib.c: Add copyright notice.
9796 (compile_re): New function.
9797 * fixinc/fixlib.h: Prototype compile_re.
9799 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
9800 Use compile_re to compile regular expressions.
9802 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
9803 where the pattern matched.
9805 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
9807 (ultrix_ansi_compat): Likewise.
9808 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
9810 (interactv_add2, interactv_add3): Delete.
9811 (x11_sprintf): Don't use filename glob.
9812 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
9815 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9817 * print-rtl.c: PROTO -> PARAMS.
9819 * reg-stack.c: Likewise.
9820 * resource.c: Likewise.
9821 * sdbout.h: Likewise.
9822 * simplify-rtx.c: Likewise.
9823 * stor-layout.c: Likewise.
9824 * stupid.c: Likewise.
9825 * xcoffout.c: Likewise.
9826 * xcoffout.h: Likewise.
9828 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9830 * toplev.c: PROTO -> PARAMS.
9831 * toplev.h: Likewise.
9834 * unroll.c: Likewise.
9835 * varasm.c: Likewise.
9836 * varray.c: Likewise.
9837 * varray.h: Likewise.
9839 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9841 * reload.c: PROTO -> PARAMS.
9842 * reload.h: Likewise.
9843 * reload1.c: Likewise.
9844 * reorg.c: Likewise.
9845 * resource.h: Likewise.
9848 * rtlanal.c: Likewise.
9849 * sbitmap.h: Likewise.
9850 * sdbout.c: Likewise.
9851 * stack.h: Likewise.
9853 * system.h: Likewise.
9855 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9857 * machmode.h: PROTO -> PARAMS.
9858 * mbchar.h: Likewise.
9859 * mips-tdump.c: Likewise.
9860 * mips-tfile.c: Likewise.
9861 * optabs.c: Likewise.
9862 * output.h: Likewise.
9863 * prefix.c: Likewise.
9864 * profile.c: Likewise.
9865 * protoize.c: Likewise.
9867 * recog.c: Likewise.
9868 * recog.h: Likewise.
9869 * regclass.c: Likewise.
9870 * regmove.c: Likewise.
9873 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9875 * ggc-common.c: PROTO -> PARAMS.
9876 * ggc-page.c: Likewise.
9877 * ggc-simple.c: Likewise.
9879 * global.c: Likewise.
9880 * graph.c: Likewise.
9881 * gthr-win32.h: Likewise.
9882 * haifa-sched.c: Likewise.
9883 * halfpic.h: Likewise.
9884 * integrate.c: Likewise.
9885 * integrate.h: Likewise.
9888 * local-alloc.c: Likewise.
9892 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9894 * genattr.c: PROTO -> PARAMS.
9895 * genattrtab.c: Likewise.
9896 * gencheck.c: Likewise.
9897 * gencodes.c: Likewise.
9898 * genconfig.c: Likewise.
9899 * genemit.c: Likewise.
9900 * genextract.c: Likewise.
9901 * genflags.c: Likewise.
9902 * gengenrtl.c: Likewise.
9903 * genopinit.c: Likewise.
9904 * genoutput.c: Likewise.
9905 * genpeep.c: Likewise.
9906 * genrecog.c: Likewise.
9908 2000-01-16 Mark Mitchell <mark@codesourcery.com>
9910 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
9912 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9914 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
9915 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
9916 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
9917 * configure, config.in: Rebuilt.
9919 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
9921 * config/i386/i386.md: Add peephole to merge successive stack
9924 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
9926 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
9927 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
9928 when walking backwards to find all the parameter loads when
9929 the basic block ends in a call.
9931 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9933 * loop.c (this_loop_info): Delete.
9934 (uid_loop): Add in place of uid_loop_num. All uses updated.
9935 (loop_number_exit_count): Delete and replace with entry in loop
9936 structure. All uses updated.
9937 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
9938 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
9939 (loop_outer_loop): Likewise.
9940 (loop_invalid, loop_number_exit_labels): Likewise.
9941 (loop_used_count_register): Delete and replace with entry in
9942 loop_info structure.
9943 (find_and_verify_loops): Add loops argument.
9944 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
9945 loop_end, etc. arguments with loop structure pointer. All callers
9947 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
9948 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
9949 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
9950 (insert_bct): Likewise.
9951 (basic_induction_var): New argument level.
9952 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
9953 vtop, and cont. Add used_count_register.
9954 (uid_loop): Delete declaration.
9955 (loop_number_exit_count): Likewise.
9956 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
9957 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
9958 (loop_outer_loop, loop_used_count_register): Likewise.
9959 (loop_invalid, loop_number_exit_labels): Likewise.
9960 (unroll_loop): Replace loop_start and loop_end arguments
9961 with loop structure pointer.
9962 (loop_precondition_p, loop_iterations): Likewise.
9963 Include basic-block.h.
9964 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
9965 with loop structure pointer.
9966 (loop_precondition_p, loop_iterations): Likewise.
9967 * basic-block.h (struct loop): New entries vtop, cont,
9968 cont_dominator, start, end, top, scan_start, exit_labels,
9970 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
9972 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9974 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
9976 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
9978 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
9980 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9982 * pdp11-protos.h: New file.
9984 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
9987 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
9990 * pdp11.md: Likewise.
9994 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9996 * mn10300-protos.h: New file.
9998 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10001 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10004 * mn10300.md: Likewise.
10006 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10008 * mn10200-protos.h: New file.
10010 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10013 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10016 * mn10200.md: Likewise.
10018 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10020 * h8300-protos.h: New file.
10022 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10025 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10028 * h8300.md: Likewise.
10030 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10032 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10033 (asm_emit_uninitialised): Likewise.
10035 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10037 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10038 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10040 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10042 * config/mips/mips.c (override_options): Don't turn on extra
10043 alignment for mips16.
10045 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10047 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10048 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10051 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10053 * builtins.c (PAD_VARARGS_DOWN): Define.
10054 (std_expand_builtin_va_arg): Use the above macro.
10055 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10056 * tm.texi (Register Arguments): Document the above macro.
10058 2000-01-14 Nick Clifton <nickc@cygnus.com>
10060 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10061 that this function has not been used to emit a jump
10064 * jump.c (return_jump_1): Cope with being passed a null rtx.
10066 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10068 * eh-common.h: PROTO -> PARAMS.
10069 * emit-rtl.c: Likewise.
10070 * errors.c: Likewise.
10071 * errors.h: Likewise.
10072 * except.c: Likewise.
10073 * except.h: Likewise.
10074 * explow.c: Likewise.
10075 * expmed.c: Likewise.
10076 * expr.c: Likewise.
10077 * expr.h: Likewise.
10078 * final.c: Likewise.
10079 * fix-header.c: Likewise.
10080 * flow.c: Likewise.
10081 * fold-const.c: Likewise.
10082 * function.c: Likewise.
10083 * function.h: Likewise.
10085 * gcov-io.h: Likewise.
10086 * gcov.c: Likewise.
10087 * gcse.c: Likewise.
10089 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10091 * sh-protos.h: New file.
10093 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10094 Add static prototypes. Fix compile time warnings.
10096 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10100 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10102 * arc-protos.h: New file.
10104 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10107 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10110 * arc.md: Likewise.
10112 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10114 * dsp16xx-protos.h: New file.
10116 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10119 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10122 * dsp16xx.md: Likewise.
10124 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10126 * convex-protos.h: New file.
10128 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10131 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10134 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10136 * elxsi-protos.h: New file.
10138 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10141 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10144 * elxsi.md: Likewise.
10146 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10148 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10149 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10150 match the comment for MIPS16.
10152 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10154 * flow.c (split_edge): Do not call set_block_for_insn if we
10155 do not have a basic_block_for_insn structure.
10157 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10158 and destination functions are 32bit aligned within the trampoline.
10159 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10160 (TRAMPOLINE_ALIGNMENT): Define.
10162 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10163 (set (pc) (label_ref)), verify the change creates a valid insn.
10165 * fr30.c (call_operand): Tighten and rework to match rules for
10166 call RTL expressions.
10167 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10168 * fr30.md (call patterns): Improve constraints.
10170 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10172 * fr30.c (fr30_expand_epilogue): Revert last change.
10173 Use emit_jump_insn for the return insn.
10175 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10176 Stan Cox <scox@cygnus.com>
10178 * predict.c: New file. Preliminary infrastructure work for static
10179 branch prediction and basic block reordering.
10180 * basic-block.h: Add prototype for estimate_probability.
10181 * Makefile.in: Add rules for predict.o.
10183 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10185 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10186 * fixinc/*: Likewise.
10188 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10190 * cccp.c: PROTO -> PARAMS.
10191 * cexp.y: Likewise.
10192 * collect2.c: Likewise.
10193 * combine.c: Likewise.
10194 * convert.h: Likewise.
10196 * dbxout.c: Likewise.
10197 * dbxout.h: Likewise.
10198 * diagnostic.c: Likewise.
10199 * doprint.c: Likewise.
10200 * dwarf2out.c: Likewise.
10201 * dwarf2out.h: Likewise.
10202 * dwarfout.c: Likewise.
10203 * dwarfout.h: Likewise.
10204 * dyn-string.h: Likewise.
10206 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10208 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10209 macro conditionals guarding use.
10211 * dwarf2out.c: Include "tm_p.h".
10213 * function.c (locate_and_pad_parm): Mark parameter with
10215 (expand_function_end): Likewise for variable `context'.
10217 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10219 2000-01-13 Nick Clifton <nickc@cygnus.com>
10221 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10222 register to prevent compile time warnings.
10224 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10226 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10227 to avoid -Wtraditional warning.
10229 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10231 * 1750a-protos.h: New file.
10233 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10236 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10239 * 1750a.md: Likewise.
10241 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10243 * a29k-protos.h: New file.
10245 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10248 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10251 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10253 * clipper-protos.h: New file.
10255 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10258 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10261 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10263 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10265 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10267 * configure.in (--enable-new-gxx-abi): New option.
10268 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10269 * Makefile.in (GXX_ABI_FLAG): New variable.
10270 * configure: Regenerate.
10272 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10274 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10275 * tm.texi (FORCE_STRUCT_BLK): Document.
10276 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10278 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10280 * config/ns32k/ns32k.md: Revert Jan 9 change.
10282 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10283 to a mode-test, if the predicate is address_operand.
10285 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10287 * combine.c (if_then_else_cond): Be careful about what kinds
10288 of RTL expressions are passed to operand_subword.
10290 * flow.c (split_edge): If we have to insert a new jump, make
10291 sure to associate it with a basic block.
10293 * flow.c (commit_one_edge_insertion): A block with one successor
10294 can end in a JUMP_INSN that is not a simplejump.
10296 2000-01-12 Robert Lipe <robertl@sco.com>
10298 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10299 (BUILD_VA_LIST_TYPE): Define.
10300 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10303 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10305 * cccp.c (do_pragma): Add cast to (char *).
10307 2000-01-12 Richard Henderson <rth@cygnus.com>
10308 Fred Fish <fnf@be.com>
10309 Jason Merrill <jason@cygnus.com>
10311 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10312 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10313 * i386/beos-elf.h, i386/beos-pe.h: New files.
10315 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10316 * cross-make (SYSTEM_HEADER_DIR): Define using
10317 CROSS_SYSTEM_HEADER_DIR.
10319 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10320 (process_command): Use it.
10321 (main): Likewise. Kill trailing = from env vars.
10322 (build_search_list): Put it back.
10323 * collect2.c (main): Use LIBRARY_PATH_ENV.
10325 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10326 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10328 * tm.texi (Frame Layout): Document SMALL_STACK.
10329 * c-common.c (c_common_nodes_and_builtins): Check it.
10331 * system.h: Undef alloca after including glibc's <stdlib.h>,
10332 if USE_C_ALLOCA is defined.
10334 * gcc.c (set_input): New fn.
10335 (main): After all input files are compiled, reset the input file
10338 * aclocal.m4 (rindex, index): If already defined, don't attempt
10341 * ginclude/varargs.h: (__va_list__): Define ifndef.
10342 * ginclude/stdarg.h: Likewise.
10344 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10345 instead of unsigned char.
10347 * hash.h (true, false, boolean): Undef before enum.
10349 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10350 proper type of "HOST_WIDE_INT *", rather than their natural type of
10351 "unsigned HOST_WIDE_INT *".
10353 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10355 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
10357 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
10359 * regclass.c (choose_hard_reg_mode): Likewise.
10361 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
10363 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
10365 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10367 * c-common.c: PROTO -> PARAMS.
10368 * c-common.h: Likewise.
10369 * c-decl.c: Likewise.
10370 * c-iterate.c: Likewise.
10371 * c-lang.c: Likewise.
10372 * c-lex.c: Likewise.
10373 * c-lex.h: Likewise.
10374 * c-parse.in: Likewise.
10375 * c-pragma.c: Likewise.
10376 * c-pragma.h: Likewise.
10377 * c-tree.h: Likewise.
10378 * c-typeck.c: Likewise.
10379 * objc/objc-act.c: Likewise.
10380 * objc/objc-act.h: Likewise.
10382 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10384 * m88k-protos.h: New file.
10386 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
10389 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
10391 * m88k.md: Likewise.
10393 * tekXD88.h: Likewise.
10395 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10397 * m68k-protos.h: New file.
10399 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
10402 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
10404 * mot3300.h: Likewise.
10406 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
10408 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
10410 (extract_bitlist): Declare bitlen.
10412 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
10414 * cccp.c: Accept and ignore -lang-fortran.
10416 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
10417 qualifiers don't match at any level of pointerness.
10419 2000-01-12 Robert Lipe <robertl@sco.com>
10421 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
10423 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
10425 * reload1.c (reload_reg_unavailable): New static variable.
10426 (reload_reg_free_p): Test it.
10427 (reload_reg_free_for_value_p): Test it instead of
10429 (choose_reload_regs_init): Compute it.
10431 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
10433 * reorg.c (fill_slots_from_thread): Check modified_in_p
10436 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
10438 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
10439 these nodes even if INTERNALS is not set.
10441 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
10443 * gcse.c (delete_null_pointer_checks_1): Cope when
10444 get_condition cannot determine the condition.
10446 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
10448 * toplev.h (set_message_length): Declare.
10450 * diagnostic.c (obstack_chunk_alloc): Define macro.
10451 (obstack_chunk_free): Likewise.
10452 (struct output_buffer): New data structure.
10453 (vmessage): Remove.
10454 (output_maximum_width): New variable.
10455 (doing_line_wrapping, set_message_length, init_output_buffer,
10456 get_output_prefix, output_space_left, emit_output_prefix,
10457 output_newline, output_append, output_puts, dump_output,
10458 vbuild_message_string, build_message_string, build_location_prefix,
10459 voutput_notice, output_printf, line_wrapper_printf,
10460 vline_wrapper_message_with_location): New functions. Implement
10461 automatic line wrapping.
10462 (v_message_with_decl): Make it handle automatic line wrapping.
10463 (v_error_with_file_and_line): Likewise.
10464 (v_warning_with_file_and_line): Likewise.
10465 (announce_function): Likewise.
10466 (default_print_error_function): Likewise.
10468 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
10470 * cpplib.h (struct cpp_options): Change lang_asm to char.
10472 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
10473 done in cpp_handle_option now.
10474 (initialize_builtins): Take out special case code used only by
10476 (cpp_handle_option): Turn off trigraphs and trigraph warnings
10477 if -traditional. Recognize -lang-fortran and set
10478 lang_fortran, also turn off cplusplus_comments.
10479 (print_help): Document -lang-fortran.
10480 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
10481 lang_asm. Ignore all directives other than `# 123 "file"' if
10483 (cpp_get_token): If -traditional, don't recognize directives
10484 unless the # is in column 1.
10485 (parse_string): If lang_fortran or lang_asm, silently
10486 terminate strings ('' or "") at end of line.
10487 Remove unnecessary braces.
10489 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10490 Richard Henderson <rth@cygnus.com>
10492 * resource.c (mark_referenced_resources): Mark a set strict_low_part
10494 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
10495 strict_low_part when possible.
10497 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10499 * alias.c: PROTO -> PARAMS.
10500 * basic-block.h: Likewise.
10501 * bitmap.c: Likewise.
10502 * bitmap.h: Likewise.
10503 * builtins.c: Likewise.
10504 * c-aux-info.c: Likewise.
10505 * caller-save.c: Likewise.
10506 * calls.c: Likewise.
10508 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10510 * Makefile.in (toplev.o): Depend on regs.h.
10512 * output.h (tdesc_section): Prototype.
10514 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
10516 * sdbout.c: Include "tm_p.h".
10518 * toplev.c: Include "regs.h".
10520 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
10522 * unroll.c (unroll_loop): Add EH support.
10524 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10526 * pa-protos.h: New file.
10528 * pa.c: Include recog.h and tm_p.h.
10529 (compute_zdepwi_operands, compute_movstrsi_length,
10530 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
10531 find_addr_reg, import_milli): Add static prototypes.
10532 (pa_cpu_string, pa_arch_string): Constify a char*.
10533 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
10534 (read_only_operand): Add argument `mode'.
10535 (singlemove_string, output_move_double, output_fp_move_double,
10536 output_block_move, output_and, output_ior, output_ascii,
10537 remove_useless_addtr_insns, milli_names, output_mul_insn,
10538 output_div_insn, output_mod_insn, output_arg_descriptor,
10539 output_cbranch, output_bb, output_bvb, output_dbra, ,
10540 output_millicode_call, output_call, hppa_encode_label,
10541 output_parallel_movb, output_parallel_addb): Constify a char*.
10542 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
10543 (output_parallel_addb): Remove extra arg to `constrain_operands'
10545 * pa.h: Move all prototypes to pa-protos.h.
10546 (pa_cpu_string, pa_arch_string): Constify a char*.
10547 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
10549 * pa.md: Call `function_label_operand' with mode argument.
10550 Likewise for `read_only_operand'.
10551 Fix nesting of parens in call to `symbolic_operand'.
10553 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10555 * i860-protos.h: New file.
10557 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
10560 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
10562 * i860.md: Likewise.
10564 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
10566 * i386.md (movstrsi expander): Rewrite.
10567 (movstrsi_1 insn): Deleted.
10568 (strmovhi, strmovqi expander): New expanders.
10569 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
10570 * i386.c (x86_single_stringop): New global variable.
10571 * i386.h (x86_single_stringop): Declare.
10572 (TARGET_SINGLE_STRINGOP): New macro.
10574 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10576 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
10577 integer vararg POSTINCREMENT before the destination of the jump
10578 for the hard fp case.
10579 (function_arg_pass_by_reference): Pass a copy of CUM to
10582 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
10583 for CONSTANT_ADDRESS_P above while loop for subreg.
10585 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10587 * flow.c (propagate_block): When a prologue/epilogue insn
10588 is marked dead, unconditionally clear libcall_is_dead and
10589 insn_is_dead, and only dump rtl if warnings aren't being
10592 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
10594 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
10595 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
10596 (FIXED_REGISTERS): Set dirflag as fixed.
10597 (CALL_USED_REGISTERS): Set dirflag as used.
10598 (REG_ALLOC_ORDER): Set dirflag as last one.
10599 (DIRFLAG_REG): New macro.
10600 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
10601 (HI_REGISTER_NAMES): Add dirflag.
10602 (DEBUF_PRINT_REG): Handle dirflag.
10603 * i386.md (type attribute): New cld and str types.
10604 (length_opcode attribute): Set cld and str to 1.
10605 (memory attribute): Set str to unknown - it is not clear from the
10607 (pent_np function unit): Prefixed string operations takes 12 cycles
10608 minimally; cld takes 2 cycles.
10609 (ppro_uops attribute): Str is "many" and cld is "few".
10610 (ppro_p0 unit): Handle cld here.
10611 (k6_alux unit): Handle cld and str types.
10612 (k6_load unit): It is ocupied by str opcodes.
10613 (k6_store unit): It is ocupied by str opcodes.
10614 (athlon_decode): Str is vector decoded.
10615 (athlon_ieu): Handle str and cld.
10616 (cld pattern): New.
10617 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
10618 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
10619 cmpstrsi_nz_1 insn): Do not output cld instruction
10621 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
10623 * gcc.texi (G++ and GCC): Add Java and Chill.
10624 (Bug Critera): Don't list languages.
10626 * gcc.texi (Incompatibilities): No longer claim most C compilers
10629 * gcc.texi (G++ and GCC): Update other front-ends list.
10631 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
10633 * i386.c (ix86_expand_setcc): Fix typo.
10634 (ix86_expand_movcc): Similarly.
10636 * Band-aid until haifa's bitset implementation is nuked.
10637 * haifa-sched.c (extract_bitlst): New parameter for size of the
10638 bitset in bits. All callers changed. Avoid looking at undefined
10639 bits in the bitset.
10640 (edgeset_bitsize): New variable.
10641 (schedule_region): Initialize edgeset_bitsize.
10643 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10645 * Makefile.in (optabs.o): Depend on real.h
10646 (resource.o): Depend on insn-attr.h
10648 * builtins.c (result_vector): Wrap prototype in macro conditions
10649 governing definition and use.
10651 * c-common.c: Include tm_p.h.
10653 * c-lex.c: Likewise.
10655 * elfos.h: Constify a char*.
10657 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
10658 (get_attr_length, shorten_branches, profile_after_prologue): Mark
10659 parameter with ATTRIBUTE_UNUSED.
10661 * fold-const.c (exact_real_inverse): Wrap variable `i' in
10664 * haifa-sched.c (schedule_insns): Mark parameter with
10667 * optabs.c: Include real.h.
10669 * real.h (ereal_atof): Add prototype arguments.
10671 * resource.c: Include insn-attr.h.
10673 * sdbout.c (sdbout_queue_anonymous_type,
10674 sdbout_dequeue_anonymous_types): Wrap in macro
10675 SDB_ALLOW_FORWARD_REFERENCES.
10676 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
10679 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
10681 * stupid.c: Include tm_p.h.
10683 * tree.c (real_value_from_int_cst): Mark parameter with
10686 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10688 * i960-protos.h: New file.
10690 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
10693 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
10695 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10697 * combine.c (expand_field_assignment): Do not discard SUBREGs
10698 while computing nonzero_bits.
10700 2000-01-09 Nick Clifton <nickc@cygnus.com>
10702 * config/arm/arm.c: Fix compile time warnings about signed vs
10703 unsigned constants.
10704 * config/arm/arm.h: Fix compile time warnings about signed vs
10705 unsigned constants.
10707 2000-01-09 Philip Blundell <philb@gnu.org>
10709 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
10710 than `ldm' with only one register.
10711 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
10714 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
10717 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
10719 * config/ns32k/ns32k.md (load or push effective address): Operand 1
10722 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10724 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
10725 assignment used as truth value.
10727 * function.c (assign_temp): Mark parameter `dont_promote' with
10728 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
10729 PROMOTE_FOR_CALL_ONLY.
10731 * genrecog.c (write_subroutine): Mark variable `operands' with
10734 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
10737 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
10738 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
10740 * toplev.c (note_deferral_of_defined_inline_function): Likewise
10743 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10745 * config/c4x.h: Tidy up comments.
10746 * config/c4x.c: Likewise.
10748 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
10750 * fold-const.c (lshift_double, rshift_double): Handle
10751 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
10753 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10755 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
10756 in prepare_function_start().
10758 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
10760 * config/v850/v850.c (expand_epilogue): Interrupt functions no
10761 longer allocate extra stack for function calls.
10763 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10765 * config/c4x/c4x.md (*subqf3_set): Fix typo.
10767 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10769 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
10771 2000-01-07 David Edelsohn <edelsohn@gnu.org>
10773 * rs6000.c (processor_target_table): Add power3 as alias for 630.
10774 * aix43.h: Revert Aug 2 change.
10775 (HAS_INIT_SECTION): Define, not visible yet.
10776 (LD_INIT_SWITCH): Define, not visible yet.
10777 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
10779 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
10781 * collect2.c (main): Expand ld2 size further.
10782 (export_object_lst): Cast assignment to avoid warning.
10783 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
10784 (scan_prog_file, COFF): Do not collect initialization or
10785 finalization functions generated for entire shared object if
10786 init/fini support present.
10788 2000-01-07 Nick Clifton <nickc@cygnus.com>
10790 * config/elfos.h: Tidy up formatting of marcos. Make sure
10791 that .section directives are always prefixed by a tab.
10793 * config/svr4.h: Add #include "elfos.h" and remove duplicate
10796 2000-01-07 Matt Austern <austern@sgi.com>
10798 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
10801 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
10803 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
10805 (crtbegin.o, s-crtS): Likewise.
10807 2000-01-06 Richard Henderson <rth@cygnus.com>
10809 * alpha.md (adddi_2+1): Limit offset such that it will be
10810 loadable with a single ldah+lda pair.
10811 (adddi_2+2): Explicitly fail split if we can't make it work.
10813 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
10815 * protoize.c: Conditionally include unistd.h.
10816 (IS_SAME_PATH_CHAR): New macro.
10817 (IS_SAME_PATH): New macro.
10818 (CPLUS_FILE_SUFFIX): New macro.
10819 (cplus_suffix): New static variable.
10820 (is_abspath): New static function.
10821 (in_system_include_dir): Handle DOS style pathnames.
10822 (file_could_be_converted): Likewise.
10823 (file_normally_convertible): Likewise.
10824 (directory_specified_p): Likewise.
10825 (file_excluded_p): Likewise.
10826 (abspath): Likewise.
10827 (shortpath): Likewise.
10828 (referenced_file_is_newer): Likewise.
10829 (save_def_or_dec): Likewise.
10830 (do_processing): Likewise.
10832 (edit_file): Likewise. Use rename instead of link.
10833 (rename_c_file): Likewise. Don't rename syscalls file.
10834 (munge_compile_params): Define null device for DOS based systems.
10835 (process_aux_info_file): Use binary mode if appliable.
10836 (edit_file): Likewise.
10837 * invoke.texi (Running Protoize): Document C++ suffixes used.
10839 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
10840 IS_DIR_SEPARATOR macros.
10841 * collect2.c: Likewise.
10842 * cppinit.c: Likewise.
10843 * dwarf2out.c: Likewise.
10845 * gcov.c: Likewise.
10846 * prefix.c: Likewise.
10848 * toplev.c: Likewise.
10849 * system.h: And move to here.
10851 * prefix.c (update_path): Fix typo in variable name.
10853 2000-01-06 Richard Henderson <rth@cygnus.com>
10855 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
10856 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
10857 (count_reg_sets_1, count_reg_references): Likewise.
10858 (flow_loops_level_compute): Start counting actual loop depth at 1.
10859 (flow_loops_find): Likewise.
10860 * local-alloc.c (update_equiv_regs): Likewise.
10861 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
10863 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
10865 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
10866 FIRST_PSEUDO_REGISTER
10867 * dwarf2out.c: Don't include frame.h
10868 * dwarfout.c: Likewise
10869 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
10872 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
10874 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10877 * i386.c (movsf splitter): Fix typo in my last checkin.
10879 2000-01-05 Nick Clifton <nickc@cygnus.com>
10881 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
10882 own definition of this macro.
10883 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
10884 flag_data_sections or UNIQUE_SECTION_P are true.
10886 * tm.texi (UNIQUE_SECTION): Document that it can be called for
10887 unitialised data decls.
10889 * config/i386/winnt.c (i386_pe_unique_section): Cope with
10890 being called for uninitialised data.
10892 * config/i386/interix.c (i386_pe_unique_section): Cope with
10893 being called for uninitialised data.
10895 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
10896 for uninitialised data.
10898 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
10899 for uninitialised data.
10901 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
10902 for uninitialised data.
10904 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
10905 (UNIQUE_SECTION_P): Always generate a unique section if
10906 flag_data_sections is true.
10907 (UNIQUE_SECTION): Also generate unique sections for
10908 uninitialised data.
10909 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
10910 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
10913 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10915 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
10918 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10920 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
10921 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
10922 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
10923 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
10924 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
10926 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
10928 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
10930 * c-decl.c (finish_enum): Simplify code to determine minimum and
10931 maximum values of the enum, and calculate the type. Remove check
10932 for FUNCTION_DECLs in the values list, which cannot happen. Replace
10933 the DECL_INITIAL of each enumeration constant with a copy converted
10934 to the enumeration type. When updating variant types, don't bother
10935 updating the type itself.
10937 * c-typeck.c (build_binary_op): Simplify conditional expressions
10938 when weeding out spurious signed-unsigned warnings. Add new
10939 spurious warning category: if the unsigned quantity is an enum
10940 and its maximum value fits in signed_type(result_type). Update
10942 (build_conditional_expr): Warn here if one alternative is signed
10943 and the other is unsigned.
10945 2000-01-05 Nick Clifton <nickc@cygnus.com>
10947 * config/fr30/fr30.h: Remove extraneous comments.
10949 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
10951 * reload1.c (choose_reload_regs): When disabling a reload, also
10952 set reload_spill_index to -1.
10954 2000-01-04 Joel Sherrill (joel@OARcorp.com>
10956 * configure.in (m68*-*-rtemscoff*): New target, formal name for
10958 (m68*-*-rtemself*): New target.
10959 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
10960 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
10961 (sparc*-*-rtemself*): New target.
10962 (sparc*-*-rtems*): Now elf not a.out.
10963 * config/i386/rtems.h: Include config/rtems.h.
10964 * config/i386/rtemself.h: Include config/rtems.h.
10965 * config/i960/rtems.h: Include config/rtems.h.
10966 * config/m68k/rtems.h: Include config/rtems.h.
10967 * config/m68k/rtemself.h: Include config/rtems.h.
10968 * config/mips/rtems64.h: Include config/rtems.h.
10969 * config/pa/rtems.h: Include config/rtems.h.
10970 * config/rs6000/rtems.h: Include config/rtems.h.
10971 * config/sh/rtems.h: Include config/rtems.h.
10972 * config/sh/rtemself.h: Include config/rtems.h.
10973 * config/sparc/rtems.h: Include config/rtems.h.
10974 * config/sparc/rtemself.h: Include config/rtems.h
10976 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
10978 * final.c (shorten_branches): Correctly compute length of
10979 asms without operands.
10981 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
10983 * configure.in: Add pj target.
10984 * configure: Regenerate.
10985 * config/pj: New directory.
10986 * config/pj/lib1funcs.S: New file.
10987 * config/pj/linux.h: New file.
10988 * config/pj/pj.c: New file.
10989 * config/pj/pj.md: New file.
10990 * config/pj/pjl.h: New file.
10991 * config/pj/t-pj: New file.
10992 * config/pj/xm-pj.h: New file
10994 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
10996 * toplev.c (rest_of_compilation): Run shorten-branches before
10999 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11001 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11002 macros so that they're consistent with their names.
11003 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11004 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11006 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11008 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11009 modified inadvertently.
11011 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11013 * configure.in (v850*-*-rtems*): New target.
11014 * configure: Regenerate.
11015 * config/v850/rtems.h: New file.
11017 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11019 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11020 (__gthread_key_create): Likewise.
11021 (__gthread_key_dtor): Likewise.
11022 (__gthread_once): Fix logic.
11023 (__gthread_key_delete): Cast away constness.
11025 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11026 * invoke.texi: Document.
11027 * i386/mingw32.h (CPP_SPEC): Use.
11028 (LIBGCC_SPEC): Likewise.
11029 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11031 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11033 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11034 (HANDLE_PRAGMA_PACK): Undefine.
11035 (SLOW_UNALIGNED_ACCESS): Define.
11037 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11039 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11040 to default definition.
11041 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11042 (store_fixed_bit_field): Call macro with word_mode and alignment.
11043 (extract_bit_field): Call macro with relevant mode and alignment.
11044 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11045 to default definition.
11046 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11048 (move_by_pieces_ninsns): Likewise.
11049 (clear_by_pieces): Likewise.
11050 (emit_push_insn): Likewise.
11051 (store_field): Call macro with relevant mode and alignment.
11052 (expand_expr): Likewise.
11053 (expand_expr_unaligned): Likewise.
11055 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11056 (SLOW_UNALIGNED_ACCESS): Define.
11057 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11058 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11059 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11060 (toc_section): Likewise and .toc pseudo-op.
11061 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11063 (TEXT_SECTION_ASM_OP): Likewise.
11064 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11067 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11068 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11069 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11070 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11071 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11073 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11075 * regclass.c: Revert my Jan 4 change to loop cost computation.
11077 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11079 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11082 2000-01-04 Stan Cox <scox@cygnus.com>
11084 * haifa-sched.c (build_control_flow): Change unreachable simple
11085 loop test to check if current block has only one predecessor.
11086 (find_rgns): Initialize degree. Use dest as degree index, not src.
11088 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11090 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11092 * calls.c (expand_call): Likewise for
11093 `old_stack_arg_under_construction'.
11095 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11097 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11100 * gcc.c (execute): Likewise for `ut' and `st'.
11102 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11104 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11106 * jump.c (jump_optimize_1): Likewise for `temp2'.
11108 * local-alloc.c (block_alloc): Likewise for `r1'.
11110 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11112 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11113 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11115 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11118 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11119 and `goal_earlyclobber'.
11121 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11123 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11125 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11127 * unroll.c (copy_loop_body): Likewise for `copy'.
11129 * varasm.c (output_constructor): Likewise for `byte'.
11131 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11133 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11134 all FP constants for constant->reg moves.
11135 (ix86_split_to_parts): Try to convert memory address into immediate
11136 when available in the constant pool.
11137 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11139 (LEGITIMATE_CONSTANT_P): Return 1.
11140 * i386.md (pushsf): New splitter to convert constant pool memory
11141 reference to immediate.
11142 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11145 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11147 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11148 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11149 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11150 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11151 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11153 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11155 * ginclude/stdbool.h: Support compilation as C++.
11157 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11159 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11161 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11163 * regclass.c (regclass): Properly compute loop_cost. Adjust
11166 * regclass.c: Fix minor whitespace problems.
11168 2000-01-03 Anthony Green <green@cygnus.com>
11170 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11171 Restore the pic register if required.
11173 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11175 * c-common.c (format_char_info): Update comment.
11176 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11177 was recognized. Emit warning for formats new in ISO C99 only
11178 if flag_isoc9x is not set.
11180 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11182 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11184 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11186 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11187 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11188 (make_compound_operation): Choose cheaper alternative between
11189 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11191 * regclass.c (op_costs): Remove global variable.
11192 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11193 (record_operand_costs): Break out from ...
11194 (scan_one_insn): ... here.
11195 (dump_regclass): Make dumps nicer.
11196 (regclass): Dump preferrences choosed and changes done during passes.
11198 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11200 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11202 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11204 * config/sparc/sparc.c (gen_df_reg): New function.
11205 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11206 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11207 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11208 movtf_cc_reg_sp64+1): Use it.
11210 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11212 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11213 copied LABEL_DECLs.
11215 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11217 * config/i386/i386.c (ix86_expand_unary_operator): Function
11218 definition made void.
11219 (ix86_expand_binary_operator): Update outdated preceding comment.
11220 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11223 * config/i386/i386.c (override_options): Fix option-name typo.
11225 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11227 * system.h (CEIL): Define.
11228 * builtins.c (CEIL): Remove.
11229 * expmed.c (CEIL): Likewise.
11230 * expr.c (CEIL): Likewise.
11231 * stor-layout.c (CEIL): Likewise.
11233 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11235 * expr.c (store_constructor_field): Fix typo introduced with last
11238 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11240 * tree.h (BINFO_N_BASETYPES): New macro.
11242 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11244 * expmed.c (emit_store_flag): Prevent losing a pending stack
11245 adjust the same way we prevent losing queued increments.
11247 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11249 * function.c (update_temp_slot_address): Handle case where sum of
11250 temporary address plus offset in register is a valid address.
11252 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11254 * genrecog.c (change_state) Corrected typo.
11256 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11258 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11259 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11260 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11262 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11264 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11265 case, expand GT comparisons correctly. Fix a comment before this
11268 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11270 * dwarfout.c: Include "frame.h"
11271 * dwarf2out.c: Likewise.
11272 * Makefile.in (dwarfout.o): Depend on frame.h
11273 (dwarf2out.o): Likewise.
11275 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11277 Restore i386 binary compatibility in Dwarf EH info.
11278 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11279 value of FIRST_PSEUDO_REGISTER.
11280 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11281 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11282 * dwarfout.c (output_reg_number): Ditto.
11283 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11284 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11286 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11288 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11289 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11290 (<hack>_RE_CT): not needed
11291 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11292 rewritten to scan the file text once only
11293 "template<..." test added
11294 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11295 (is_cxx_header): declaration added
11296 * fixinc/fixtests.c(is_cxx_header): removed
11297 (apply_fix_p_t): removed
11298 (double_slash_test): is_cxx_header is only called once now
11299 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11300 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11301 within the templates.
11302 The borken spelling of "broken" was fixed.
11303 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11304 The default level depends on FIXINC_DEBUG.
11306 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11308 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11309 Otherwise provide a declaration for atexit.
11310 (init_dummy): Make sure dummy call to atexit is nevertheless
11311 called with correct number of args.
11313 * frame.c: Update comments referring to other files.
11315 * libgcc2.c: Likewise.
11317 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11319 * cse.c (free_element, get_element): Remove unused prototypes.
11321 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11324 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11327 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11329 * configure.in,configure: case arm for mn10200-*-* now sets
11330 float_format=i32 so that float.h will correctly claim "double"
11331 to be 32 bits. Ran autoconf to generate configure from .in file.
11333 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11335 * pa.md (conditional zero): If op1 is a register, force it into
11336 the same register as op0.
11338 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11340 * tree.h (BINFO_BASETYPES): Improve documentation.
11342 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11344 * configure.in (--enable-checking): Use a more portable `for'
11347 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11349 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11350 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11352 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11355 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
11356 Delete descriptions.
11358 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
11359 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
11360 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
11361 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
11362 xm-svr4.h: Remove all instances of sys_siglist handling.
11364 1999-12-27 Jakub Jelinek <jakub@redhat.com>
11366 * config/sparc/sparc.md (cmp_zero_qi,
11367 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
11368 cmp_zero_extendqidi2_andcc_set): New patterns.
11370 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
11372 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
11373 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
11374 (fpgnulib.c, xfgnulib.c): Add rules.
11375 * m68k/t-mot3300-gas: Likewise.
11377 1999-12-27 Ian Lance Taylor <ian@zembu.com>
11379 * configure.in: Avoid [[ by using test and changequote. Add
11380 changequote required by 1999-12-14 change.
11381 * configure: Rebuild.
11383 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
11385 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
11387 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
11389 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
11390 * flow.c (find_use_as_address): Likewise.
11391 * function.c (fixup_var_refs_1): Likewise.
11392 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
11393 * jump.c (invert_exp, redirect_exp): Likewise.
11394 * loop.c (replace_call_address): Likewise.
11395 (count_nonfixed_reads): Likewise.
11396 * rtlanal.c (modified_between_p): Likewise.
11397 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
11398 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
11399 * unroll.c (remap_split_bivs): Likewise.
11401 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11403 * diagnostic.c (v_message_with_decl): Use .* format specifier
11404 instead of building the format specifier width manually.
11406 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
11407 determining whether to provide a prototype. Remove the
11408 sys_siglist clause in the conditional.
11410 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11412 * fold-const.c (operand_equal_p): Use memcmp to compare string
11414 Suggested by D. J. Bernstein
11416 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11418 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
11419 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11421 * config/mips/mips.h (TARGET_64BIT): Likewise.
11422 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
11423 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
11424 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
11425 dsps. Give routines proper names if SI/DI modes are not used.
11426 * longlong.h: Use DWunion instead of DIunion.
11428 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
11430 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
11431 GC_CHECKING, GC_ALWAYS_COLLECT.
11432 * configure.in: Allow --enable-checking with an argument
11433 listing check modes to enable.
11434 * config.in, configure: Rebuilt.
11435 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
11436 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
11437 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
11438 ENABLE_GC_ALWAYS_COLLECT.
11439 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
11441 * tree.h, tree.c: Change ENABLE_CHECKING to
11442 ENABLE_TREE_CHECKING throughout.
11444 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11446 * fold-const.c (fold_truthop): Properly check for FP RHS.
11448 1999-12-24 Mark Mitchell <mark@codesourcery.com>
11450 * toplev.h (note_deferall_of_defined_inline_function): Declare.
11451 * toplev.c (note_deferral_of_defined_inline_function): New
11452 function, split out from ...
11453 (rest_of_compilation): ... here. Use it.
11455 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11457 * expr.c (store_constructor): Don't call clear_storage if size is
11460 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11462 * Makefile.in (toplev.o): Depend on loop.h.
11464 * dwarfout.c: Include tm_p.h.
11466 * emit-rtl.c (restore_emit_status): Mark parameter with
11469 * final.c (final_scan_insn): Likewise.
11471 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
11472 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
11473 flow_depth_first_order_compute, flow_loop_pre_header_find,
11474 flow_loop_tree_node_add, flow_loops_tree_build,
11475 flow_loop_level_compute, flow_loops_level_compute,
11476 flow_loop_outside_edge_p): Add prototypes.
11477 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
11479 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
11480 Mark with ATTRIBUTE_NORETURN.
11482 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
11484 * local-alloc.c (no_conflict_p): Likewise.
11486 * loop.c (insert_bct): Hide definitions of variables with hidden
11488 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
11490 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
11491 with ATTRIBUTE_UNUSED.
11492 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
11493 (reg_scan): Likewise.
11495 * reload.c (find_reloads): Remove unused variables `changed'.
11497 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
11499 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
11500 Remove unused variable `insn'.
11502 * toplev.c: Include loop.h.
11503 (report_file_and_line): Remove unnecessary prototype.
11505 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
11507 * unroll.c (biv_total_increment): Likewise.
11509 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11511 * reload1.c (emit_input_reload_insns): Restore old behaviour
11512 wrt. 'special' reloads.
11514 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
11516 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
11517 hash.h. (cse.c): Don't depend on hashtab.h.
11519 * cse.c: Don't include hashtab.h.
11520 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
11522 * ggc-simple.c: Don't include hash.h.
11524 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
11526 * dwarf2out.c (add_abstract_origin_attribute): Call
11527 gen_abstract_function on our function context.
11529 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
11531 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
11533 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11535 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
11538 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11540 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
11541 constraints to "a!r".
11543 1999-12-21 Mark Mitchell <mark@codesourcery.com>
11545 * Makefile.in (calls.o): Depend on function.h.
11546 (alias.o): Likewise.
11548 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
11550 * reload1.c (emit_reload_insns): Break out code and variables into...
11551 (input_reload_insns, other_input_address_reload_insns,
11552 other_input_reload_insns, input_address_reload_insns,
11553 inpaddr_address_reload_insns, output_reload_insns,
11554 output_address_reload_insns, outaddr_address_reload_insns,
11555 operand_reload_insns, other_operand_reload_insns,
11556 other_output_reload_insns): ... new static variables, and...
11557 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
11558 do_output_reload): ... new functions.
11560 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11562 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
11564 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11566 * md.texi: Add c4x constraints documentation.
11568 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11570 * config/i386/dgux.c (struct option): Rename to
11571 lang_independent_option.
11572 (struct m_options): Add description field.
11573 (output_options): Rename option type, add sep declaration, output
11574 ix86_cpu_string and ix86_arch_string only if set.
11575 (output_file_start): Rename option type.
11577 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
11579 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
11581 (libgcc2.a): Similarly.
11583 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
11585 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
11586 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
11587 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
11589 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
11591 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
11592 Remove redundant initialization of "frexpon" and "expon".
11594 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11596 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
11598 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
11599 (store_constructor_field, expand_expr): Pass new arg.
11601 1999-12-20 Mark Mitchell <mark@codesourcery.com>
11603 * Makefile.in (explow.o): Depend on function.h.
11605 * stor-layout.c (set_sizetype): Fix typo.
11607 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
11609 * function.c (cfun): Renamed from current_function. All users
11611 * function.h (cfun): Rename declaration as well.
11613 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
11614 to be of type regset_head, not regset. All users changed by adding
11616 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
11618 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11620 * config/c4x/rtems.h: New file.
11622 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
11624 * reload1.c (spill_failure): Take class of failed reload as argument
11625 and print it. Caller changed.
11627 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11629 * rs6000.h (SUBTARGET_DEFAULT): New macro.
11630 (TARGET_SWITCHES): Allow subtargets to default switches.
11631 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
11633 1999-12-18 Mark Mitchell <mark@codesourcery.com>
11635 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
11638 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
11640 * cccp.c (main): Define __STDC_VERSION__ as necessary.
11641 * cppinit.c (cpp_handle_option): Likewise.
11643 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
11644 determine when to define.
11646 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
11648 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
11649 cmove with mismatched test and data modes.
11651 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
11653 * c-typeck.c (c_expand_start_case): Don't warn for long switch
11656 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11658 * alias.c: Minor reformatting.
11659 * flow.c: Likewise.
11660 * regs.h: Likewise.
11661 * stor-layout.c: Likewise.
11662 * fold-const.c: Likewise.
11663 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
11664 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
11666 (size_int_wide): Cache nodes even if garbage collecting.
11667 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
11668 of SAVE_EXPR has no side effects.
11669 * cse.c: Move a comment.
11670 * tree.c: Minor reformatting.
11671 (int_size_in_bytes): Return -1 if constant overflows.
11673 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11675 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
11677 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
11679 * objc/objc-parse.c: Regenerate. This file must be rebuilt
11680 after any change to c-parse.in, even if objc-parse.y didn't
11683 1999-12-18 David S. Miller <davem@redhat.com>
11685 * toplev.c (rest_of_compilation): Restore BLOCK tree
11686 reconstruction and branch shortening changes lost in
11687 December 18th change.
11689 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
11691 * config/arm/linux-elf.h: Change all instances of
11692 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
11693 * config/arm/uclinux-elf.h: Likewise.
11695 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
11697 * toplev.c (notice, vmessage, v_message_with_file_and_line,
11698 v_message_with_decl, file_and_line_for_asm,
11699 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
11700 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
11701 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
11702 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
11703 pfatal_with_name, fatal_io_error, need_error_newline,
11704 last_error_function, last_error_tick, announce_function,
11705 default_print_error_function, print_error_function,
11706 report_error_function, fnotice, error_with_file_and_line,
11707 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
11708 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
11709 warning_with_decl, warning_for_asm, warning, pedwarn,
11710 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
11712 (compile_file): Use fnotice instead of notice. Adjust call.
11714 * diagnostic.c: New file.
11716 * Makefile.in (OBJS): Include diagnostic.o
11717 (diagnostic.o): Define dependence.
11719 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11721 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
11724 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11726 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
11728 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11730 * fixtests.c (is_cxx_header): New fn, split out of
11732 (else_endif_label): Allow "#endif // comment" in C++ headers,
11733 as determined by is_cxx_header.
11734 * fixfixes.c (else_endif_label_fix): Update comment.
11735 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
11737 * genfixes: Correct double thinko in commandline parsing.
11738 * hackshell.tpl: Generate correct sh syntax for bypass
11741 * inclhack.def (all): Whenever an inserted preprocessor
11742 conditional is split over multiple lines, use double
11743 backslashes in this file so the fixed header will be readable.
11745 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
11746 and add bypass entry for correct version of this header.
11747 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
11748 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
11750 (hpux8_bogus_inlines): New fix, split from...
11751 (ultrix_atof_param) ... here.
11752 (math_expression): Add bypass entry keyed to glibc comment
11753 indicating the problem has been dealt with; disable
11754 unnecessary sed operations; update commentary.
11755 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
11756 add select and bypass entries, simplify shell operation.
11757 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
11759 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
11760 ultrix_atof_param): Add select entry.
11761 (stdio_va_list, sunos_mather_decl): Add bypass entry.
11762 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
11763 comments with the fixes they describe.
11765 * c-parse.in (string action): Do not warn about ANSI string
11766 concatenation in system headers. Affects C parser only.
11767 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
11769 1999-12-16 Jakub Jelinek <jakub@redhat.com>
11771 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
11772 compiling libgcc2 the macro depends always on arch cpp defines.
11774 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
11776 * loop.c (insert_loop_mem): Don't record MEMs from inside
11779 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
11781 * regclass.c (regclass): Do not use flowgraph when not optimizing.
11783 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
11784 notes too, create one when replacement failed, attempt to simplify
11786 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
11787 or REG_EQUIV notes.
11789 1999-12-16 Mark Mitchell <mark@codesourcery.com>
11791 * crtstuff.c (__dso_handle): Declare.
11792 (__cxa_finalize): Likewise.
11793 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
11796 * invoke.texi: Document -fuse-cxa-atexit.
11798 * tree.h (ptr_type_node): Document.
11799 (const_ptr_type_node): Likewise.
11801 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11803 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
11804 (optimize_reg_copy_2): Likewise.
11805 (optimize_reg_copy_3): Likewise.
11806 (fixup_match_2): Likewise.
11807 (regmove_optimize): Likewise.
11808 (fixup_match_1): Liekwise.
11810 * i386.md (HI to SImode promoting splitters): Rewrite.
11811 (pushsf mem peep2): New.
11812 (testhi to andhi peep2): Remove.
11813 * i386.h (x86_promote_QImode): New.
11814 (TARGET_PROMOTE_QImode): New.
11815 (PREDICATE_CODES): Add promotable_binary_operator.
11816 * i386.c (x86_promote_QImode0: New.
11817 (promotable_binary_operator): New.
11818 * i386-protos.h (promotable_binary_operator): New.
11820 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
11822 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
11824 1999-12-16 Mark Mitchell <mark@codesourcery.com>
11826 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
11827 * function.c (insert_block_after_note): Remove.
11828 (retrofit_block): Likewise.
11829 (identify_blocks): Fix indentation.
11830 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
11831 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
11832 * function.h (insert_block_after_note): Remove prototype.
11833 (retrofit_block): Likewise.
11834 * integrate.c (expand_inline_function): Don't call
11835 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
11836 just expand_start_bindings. Use the block_map to remap old
11837 NOTE_BLOCKs to new ones.
11838 (integrate_decl_tree): Keep track of remapped blocks.
11839 * integrate.h (struct inline_remap): Add block_map.
11840 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
11841 NOTE_BLOCK on the notes.
11842 (expand_start_bindings): Rename to ...
11843 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
11844 (expand_end_bindings): Set NOTE_BLOCK.
11845 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
11846 reconstruct the BLOCK tree.
11847 * tree.h (expand_start_bindings): Macroize. Call ...
11848 (expand_start_bindings_and_block): New function.
11850 1999-12-16 Jakub Jelinek <jakub@redhat.com>
11852 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
11853 to match the format.
11855 1999-12-16 David S. Miller <davem@redhat.com>
11857 * expr.c (emit_move_insn_1): Only emit clobbers if one of
11858 the outputs is a SUBREG.
11859 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
11862 * config/sparc/sparc.c (epilogue_renumber): Add default case
11865 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11867 * toplev.c (rest_of_compilation): Run branch shortening after
11870 * regclass.c (loop_depth): Remove
11871 (scan_one_insn): Do not handle LOOP_NOTE insns.
11872 (regclass): Go through basic blocks and set loop_cost
11874 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
11876 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
11878 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11880 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
11881 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
11882 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
11884 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
11886 * loop.c (insert_loop_mem): Ignore memory clobbers.
11888 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
11891 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
11893 * profile.c: Remove redundant #include "output.h".
11895 * h8300.md (HImode preinc peephole): Fix typo.
11897 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
11899 * function.c (retrofit_block): Abort if we don't find a suitable insn.
11900 (insert_block_after_note): Abort if we don't have a previous block.
11901 Remove FN parameter.
11902 * function.h: Adjust.
11904 1999-12-15 Mark Mitchell <mark@codesourcery.com>
11906 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
11907 argument more than once.
11909 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
11911 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
11913 1999-12-15 Jakub Jelinek <jakub@redhat.com>
11915 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
11917 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11919 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
11920 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
11921 update stack_alignment_needed.
11922 (prepare_function_start): Initialize stack_alignment_needed
11923 * function.h (struct function): Add field stack_alignment_needed.
11925 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11927 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
11928 Handle live_throughout / dead_or_set instead of live_before /
11930 (save_call_clobbered_regs): Get register livenessinformation from
11931 chain->live_throughout.
11932 (add_stored_regs): New function.
11933 (insert_restore, insert_save): Add restored / saved registers to
11935 * global.c (reg_dies): New parameter chain.
11936 (reg_becomes_live): Third parameter is regs_set now.
11937 Changed all callers.
11938 (reg_dies): New parameter chain. Changed all callers.
11939 (build_insn_chain): Set live_throughout instead of
11940 live_before / live_after.
11941 * reload.h (struct insn_chain): Replace members live_before /
11942 live_after with live_throughout / dead_or_set.
11943 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
11944 instead of live_before / live_after.
11945 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
11946 (order_regs_for_reload, find_reg, finish_spills): Likewise.
11947 (choose_reload_regs_init): Likewise.
11948 * stupid.c (current_chain, find_clobbered_regs): Delete.
11949 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
11950 instead of chain->live_before / chain->live_after.
11951 (mark_hard_ref): New function.
11952 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
11954 1999-12-15 David S. Miller <davem@redhat.com>
11956 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
11958 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11960 * flow.c (calculate_loop_depth): Make global, remove prototype,
11961 rewrite to use new loop infrastructure.
11962 (find_basic_block): Remove calculate_loop_depth call.
11963 * toplev.c (rest_of_compilation): Call find_basic_block.
11964 * output.h (calculate_loop_depth): Declare.
11966 * flow.c (dump_flow_info): Dump loop_depth.
11967 (flow_loops_nodes_find): Increase loop_depth for basic block in the
11969 (flow_loops_find): Initialize the loop_depth for each basic block.
11971 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
11973 * tree.c (decl_function_context): Handle virtual functions.
11975 * tlink.c (scan_linker_output): Don't look in demangled name when
11976 looking for linker output keywords.
11978 * dwarfout.c (output_type): We can defer namespace-scope classes.
11980 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
11982 * regclass.c (record_reg_classes): Update comment for merging
11983 register class preferences in reg->reg copies. Tighten conditions
11984 for merging register class preferences in reg->reg copies.
11986 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
11988 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
11990 1999-12-14 Geoff Keating <geoffk@cygnus.com>
11992 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
11993 (INIT_SECTION_ASM_OP): Delete.
11994 (FINI_SECTION_ASM_OP): Delete.
11995 (STARTFILE_SPEC): Define to hold just crtbegin.o.
11997 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
11999 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12000 the abstract origin wasn't emitted.
12002 * dwarf2out.c (class_scope_p): New fn.
12003 (gen_subprogram_die): Use it.
12004 (gen_variable_die): Use it. Tweak logic.
12005 (gen_struct_or_union_type_die): Check context_die to determine
12006 if we're function-local.
12007 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12009 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12011 * loop.c (check_dbra_loop): Can't reverse a biv that has
12012 maybe_multiple set.
12014 1999-12-14 Nick Clifton <nickc@cygnus.com>
12016 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12019 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12021 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12022 for givs made from biv increments.
12024 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12026 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12027 * alpha.c (override_options): Recognize -mcpu=ev67.
12028 * alpha.h (CPP_CPU_EV67_SPEC): New.
12029 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12030 (EXTRA_SPECS): Update.
12032 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12034 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12035 appropriate for -lang-c89 and -std=*.
12036 * cppinit.c (cpp_handle_option): Likewise.
12037 (new_pending_define): New, split out from cpp_handle_option.
12038 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12039 or enable trigraphs for -ansi/-std=*.
12041 * ginclude/stdarg.h (__va_copy): New.
12042 (va_copy): Don't define for C89.
12044 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12046 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12047 for long long multiply-accumulate.
12049 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12051 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12052 optimizing for size.
12054 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12056 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12057 if something changed. Back out that part of yesterday's changes.
12059 * loop.c (loop_max_reg): New static variable.
12060 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12062 (scan_loop): Call reg_scan_update whenever we may have added new
12063 registers, and update loop_max_reg.
12065 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12067 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12068 when source does not die.
12070 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12072 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12074 * config/sparc/linux64.h (TARGET_LIVE_G0,
12075 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12077 * config/sparc/linux.h (TARGET_LIVE_G0,
12078 TARGET_BROKEN_SAVERESTORE): Likewise.
12079 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12080 TARGET_BROKEN_SAVERESTORE): Likewise.
12082 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12083 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12085 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12086 as sparc64 block profiling register.
12087 * config/sparc/sparc.c (sparc_override_options): Allow block
12088 profiling with -m32.
12089 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12090 profiling register.
12091 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12092 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12093 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12095 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12097 * config/sparc/sparc.h: Likewise.
12098 * config/sparc/xm-sysv4-64.h: Likewise.
12099 * config/float-sparc.h: Likewise.
12100 * glimits.h: Likewise.
12101 * longlong.h: Likewise.
12103 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12104 (ASM_IDENTIFY_GCC): Remove.
12106 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12108 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12109 (simplify_logical): Likewise.
12111 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12113 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12114 * cppfiles.c (INO_T_EQ): Likewise.
12116 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12118 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12119 * i386/mingw32.h (LIB_SPEC): Likewise.
12120 (STARTFILE_SPEC): Likewise.
12121 * i386/uwin.h (LIB_SPEC): Likewise.
12122 (STARTFILE_SPEC): Likewise.
12124 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12125 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12127 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12129 * combine.c (combine_simplify_rtx): Fix order of checks for
12130 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12132 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12134 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12135 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12137 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12139 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12141 * regclass.c (inv_reg_alloc_order): New array.
12142 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12144 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12145 counted_for_groups, counted_for_nongroups. Add fields rld and
12147 * reload.c (push_secondary_reload): Don't set nongroup field of
12149 (push_reload): Likewise.
12150 (find_reloads): Delete code to compute nongroup fields.
12151 * reload1.c (reload_insn_firstobj): New static variable.
12152 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12154 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12155 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12156 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12158 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12160 (struct hard_reg_n_uses): Deleted.
12161 (potential_reload_regs): Deleted.
12162 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12163 (reload): Don't try to allocate reload registers if we already know
12164 we have to make another pass. Call select_reload_regs. Free memory
12165 starting with reload_firstobj when starting another pass.
12166 Don't allocate spilled_pseudos.
12167 (calculate_needs_all_insns): Call copy_reloads for an insn that
12168 needs reloads; don't call calculate_needs.
12169 (spill_cost): New static array.
12170 (used_spill_regs_local): New static variable.
12171 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12172 to compute potential_reload_regs.
12173 (find_reload_regs): Completely rewritten to use find_reg.
12174 (allocate_reload_reg): Don't test counted_for_groups or
12175 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12176 all cllers changed.
12177 (choose_reload_regs): Add fallback code that uses the existing
12178 register allocation from find_reload_regs.
12180 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12182 * flow.c (create_edge_list): Cast xmalloc return value.
12184 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12186 * doprnt.c: Remove incorrect comment closure.
12188 * cse.c: Fix a few minor whitespace goofs.
12190 1999-12-13 Don Bowman <don@pixstream.com>
12192 * mips/vxworks.h: Fix problem with comment termination.
12193 (EXTRA_SECTIONS): Add in_sbss.
12194 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12196 1999-12-12 David S. Miller <davem@redhat.com>
12198 * cse.c (struct cse_reg_info): Add hash_next member,
12199 reorder rest of struct for better packing on 64-bit
12201 (cse_reg_info_tree): Kill.
12202 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12203 REGHASH_FN): New custom pow2 hash mechanism.
12205 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12206 use a pow2 hash table.
12207 (get_cse_reg_info): Rework to use new REGHASH.
12208 (new_basic_block): Likewise, use HASH_SIZE, and inline
12210 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12211 and inline free_element call.
12212 (lookup_as_function, insert, flush_hash_table, invalidate,
12213 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12214 invalidate_for_call, use_related_value, find_comparison_args,
12215 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12216 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12217 get_element): Kill.
12219 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12221 * cse.c (cse_basic_block): Free qty_table consistently.
12223 1999-12-12 David S. Miller <davem@redhat.com>
12224 Jakub Jelinek <jakub@redhat.com>
12226 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12227 SUBREGs by hand, gen the appropriate hard reg directly.
12228 (movtf reg/mem split): Likewise and alter_subreg on destination
12230 (movtf mem/reg split): Similarly.
12231 (movdf_cc_sp64): Rename from hidden pattern.
12232 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12233 (movtf_cc_sp64, following split): New pattern and splitter.
12234 (movdf_cc_reg_sp64): Rename from hidden pattern.
12235 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12237 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12239 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12241 * loop.c (load_mems): Don't hoist written floating point mem
12244 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12246 * except.h (struct eh_queue): Add `next' pointer.
12247 (struct eh_status): Make x_ehqueue a pointer.
12248 (push_ehqueue): Declare.
12249 (pop_ehqueue): Likewise.
12250 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12252 (expand_fixup_region_end): Likewise.
12253 (expand_leftover_cleanups): Likewise.
12254 (push_ehqueue): Define.
12255 (pop_ehqueue): Likewise.
12256 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12257 than doing it inline.
12258 (expand_start_all_catch): Adjust now that ehqueue is a
12260 (mark_eh_queue): Mark all level of the queue.
12261 (mark_eh_status): Adjust now that ehqueue is a
12263 (init_eh_for_function): Allocate ehqueue.
12264 (free_eh_status): Free it.
12265 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12266 expansion for a fixup.
12268 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12270 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12272 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12273 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12274 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12275 function_ptr, getpagesize, __enable_execute_stack,
12276 __enable_execute_stack, __clear_insn_cache,
12277 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12278 _cleanup, _exit, __default_terminate, __terminate_func,
12279 __terminate, __empty, __throw, new_eh_context,
12280 eh_context_initialize, eh_context_static, eh_context_specific,
12281 get_eh_context, __get_eh_context, __get_eh_info,
12282 init_reg_size_table, eh_threads_initialize,
12283 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12284 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12285 __pure_virtual): Add prototype arguments.
12286 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12287 Cast a signed value to unsigned long when comparing against one.
12288 (new_eh_context): Wrap in _GTHREADS macro.
12289 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12291 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12292 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12294 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12296 * combine.c (record_promoted_value): Remove unused variable
12299 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12301 * global.c (record_conflicts): Likewise for `j'.
12303 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12306 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12308 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12309 output_fp_compare): Constify a char*.
12311 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12313 (override_options, ix86_comp_type_attributes, print_operand,
12314 output_387_binary_op, output_fix_trunc, output_fp_compare):
12316 (ix86_sched_reorder): Mark parameter `clock_var' with
12319 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12321 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12323 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12324 operand, for use in the Java front-end.
12326 1999-12-10 Ben Collins <bcollins@debian.org>
12328 * configure.in: Fix typo for "-64" in 64bit as check.
12329 * configure: Rebuilt.
12331 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12333 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12336 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12338 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12339 concatenation is utilized.
12341 * invoke.texi (-Wtraditional): Document it.
12343 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12345 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12346 Cast a ptrdiff_t to long and pass it to printf with %ld.
12348 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12350 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12351 68881, we have no 68881 registers at all.
12352 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12353 value in a 68881 register if it is available.
12355 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
12357 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
12358 for long long multiply-accumulate.
12360 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12362 * loop.c (insert_loop_mem): Undo last change.
12364 1999-12-10 David S. Miller <davem@redhat.com>
12366 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
12368 * config/sparc/sparc-protos.h: Add them.
12369 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
12370 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
12371 constraints which use those helpers.
12372 (EXTRA_CONSTRAINT): Use this new macro.
12373 * md.texi: Update sparc target constraints documentation.
12374 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
12375 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
12376 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
12377 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
12378 (movsf high/lo_sum split): Rework for new patterns.
12379 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
12381 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12383 * c-common.c (c_common_nodes_and_builtins):
12384 Create __builtin_ptrdiff_t and __builtin_size_t.
12386 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
12388 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
12390 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12392 * regclass.c (globalize_reg): Re-instate test that allows
12393 fixed registers to be declared as a variable even after functions
12396 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12398 * i386.md (cpu attribute): Add "athlon".
12399 (athlon_decode): New attribute.
12400 (Athlon scheduling units definitions): New.
12401 (fcmp and shld patterns): Set athlon_decode to "vector".
12402 * i386.c (athlon_cost): New.
12404 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
12405 x86_use_sahf): Set for Athlon.
12406 (x86_use_fiop): Unset for Athlon.
12407 (override_options): Define Athlon alignments and "athlon" name.
12408 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
12409 * i386.h (TARGET_ATHLON): New.
12410 (enum processor_type): Add PROCESSOR_ATHLON.
12411 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
12413 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
12415 1999-12-09 Andreas Jaeger <aj@suse.de>
12417 * loop.c (record_biv): Declare parameter as int.
12419 * config/i386/i386-protos.h: Declare long_memory_operand.
12421 1999-12-09 Mark Mitchell <mark@codesourcery.com>
12423 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
12424 EXPR_WITH_FILE_LOCATION.
12426 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12428 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
12431 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
12433 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
12436 1999-12-09 Jakub Jelinek <jakub@redhat.com>
12438 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
12439 default on linux64 again.
12440 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
12441 models for multilibing.
12442 * genmultilib: Accept | as alternative separator within a set in
12445 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
12447 * calls.c (precompute_arguments): Make sure initial_value contains
12448 value pseudo which CSE expects.
12449 * cse.c (struct set): New entry orig_src.
12450 (cse_insn): Set it early on entry, use it for libcall EQUIV note
12453 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
12455 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
12457 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
12459 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
12461 1999-12-08 Jakub Jelinek <jakub@redhat.com>
12463 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
12464 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
12466 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
12469 * longlong.h: Merge in changes from glibc.
12470 Also don't clobber %g2 register in 32bit SPARC assembly, so that
12471 -mno-app-regs libgcc can be compiled.
12472 * libgcc2.c: Add defines so that the updated longlong.h
12473 can be used in libgcc2.a. Also, make sure on most architectures
12474 (at least on all which have optimized code in longlong.h defined
12475 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
12477 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12479 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
12480 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
12481 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
12483 * configure: Rebuilt.
12485 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
12487 * alpha.c (secondary_reload_class): For !BWX, sub-simode
12488 outputs require a register.
12490 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
12492 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
12493 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
12494 functions like dptoul will be resolved.
12495 (libgcc2.a): Make sure that the object files from DPBIT are named
12496 differently (prefix `_dp') from those that would be coming from
12499 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
12501 * configure.in: When target is sparc* and tm_file contains 64,
12502 test for 64bit support in assembler. If not supported, remove
12503 sparc/t-sol2-64 from target-dependent Makefile fragments.
12504 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
12505 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
12506 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
12507 * acconfig.h (AS_SPARC64_FLAG): Added.
12508 * configure, config.in: Rebuilt.
12509 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
12510 support. Use AS_SPARC64_FLAG.
12512 1999-12-07 Jakub Jelinek <jakub@redhat.com>
12514 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
12515 suitable for holding OFmode values so that gcc works with complex
12517 (hard_64bit_mode_classes): Likewise.
12519 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
12520 so that it is actually matched.
12521 (sethi_di_medlow): Likewise.
12523 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
12524 as legitimate constant if -mvis.
12525 * config/sparc/sparc.md (movtf): Likewise.
12526 (clear_sf): Use const_double_operand.
12527 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
12529 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
12530 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
12531 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
12532 routines, _Qp_* cannot be handled like that now.
12533 (INIT_TARGET_OPTABS): Likewise.
12534 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
12535 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
12536 sparc_emit_float_lib_cmp if ARCH64 and soft float.
12537 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
12538 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
12539 divtf3, sqrttf3): New expanders.
12540 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
12541 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
12542 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
12545 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
12546 * configure: Rebuilt.
12547 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
12548 -mcpu is given and we're doing 64bit compiles.
12550 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
12552 * loop.h (struct induction): Add multi_insn_incr.
12553 * loop.c (basic_induction_var): New multi_insn_incr argument.
12554 Set it if we search back through previous insns for the biv.
12555 (record_biv): New multi_insn_incr argument; fill in struct induction.
12556 (strength_reduce): Discard an iv with multiple bivs, any of
12557 which require multiple insns to increment.
12559 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12561 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
12564 1999-12-06 David S. Miller <davem@redhat.com>
12566 * combine.c (check_promoted_subreg): Do not conditionalize this upon
12567 PROMOTE_FUNCTION_RETURN.
12569 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
12571 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
12572 and handle REG_UNUSED note on insn.
12574 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
12575 inner_mask instead of mask.
12577 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
12579 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
12580 zero if there was an error.
12582 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12584 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
12587 * longlong.h: Fix clobbers in SPARC asm statements.
12589 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
12590 valid sethi operations when TARGET_ARCH64.
12592 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
12593 always use move_by_pieces to avoid infinite recursion.
12594 (restore_fixed_argument_area): Likewise.
12596 * combine.c (check_promoted_subreg, record_promoted_value): New
12598 (combine_instructions): Use them to retain nonzero and sign bit
12599 information after SUBREGs are eliminated by optimizations in
12600 this pass if PROMOTE_FUNCTION_RETURN.
12602 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
12603 .register declaration. Don't use variables with __ prefixes.
12605 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12607 * fold-const.c (optimize_bit_field_compare): Only use one mode
12608 for both RHS and LHS in non-constant case.
12610 1999-12-06 Nathan Sidwell <nathan@acm.org>
12612 * frame.c (start_fde_sort): Only allocate erratic array, if
12613 linear one was allocated. Return allocated flag.
12614 (fde_insert): Only insert, if there's a valid array.
12615 (fde_end_sort): Split, sort and merge if linear and erratic
12616 arrays exist, else just sort linear one.
12617 (search_fdes): New function. Linear search through original fde
12619 (frame_init): Permit multiple initializations. Cope with
12621 (find_fde): Fallback on linear search, if failed to sort array.
12622 (__deregister_frame_info): Only free sorted array, if we
12625 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12627 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
12629 1999-12-05 Jakub Jelinek <jakub@redhat.com>
12631 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
12633 1999-12-05 Mark Mitchell <mark@codesourcery.com>
12635 * tree.h (special_function_p): Declare.
12636 * calls.c (special_function_p): Make it global. Don't take `name'
12637 as a parameter. Fix typo in 1999-11-28 change.
12638 (expand_cal): Adjust.
12640 1999-12-04 Mark Mitchell <mark@codesourcery.com>
12642 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
12643 * tree.h (EXPR_WFL_FILENAME): Define in terms of
12644 EXPR_WFL_FILENAME_NODE.
12645 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
12647 * print-tree.c (print_note): Print TREE_PRIVATE and
12650 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
12651 the original die cannot be found.
12653 * varray.h (varray_head_tag): Add elements_used.
12654 (VARRAY_PUSH): New macro.
12655 (VARRAY_POP): Likewise.
12656 (VARRAY_TOP): Likewise.
12657 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
12659 * varray.c (varray_init): Initialize elements_used.
12660 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
12661 (INTEGRATE_H): New variable.
12662 (integrate.o): Depend on INTEGRATE_H.
12663 (unroll.o): Likewise.
12665 * function.h (insert_block_after_note): Declare.
12666 * function.c (insert_block_after_note): Split out from ...
12667 (retrofit_block): ... here.
12669 * stmt.c (expand_fixup): Fix typo in comment.
12671 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12673 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
12674 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
12675 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
12676 (regmove_optimize, fixup_match_1): Likewise.
12678 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12680 * flow.c (flow_loops_dump): Add missing argument when calling
12681 flow_loop_nested_p.
12683 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
12684 Greg McGary <gkm@gnu.org>
12686 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
12687 (init_attributes): Add A_NO_LIMIT_STACK.
12688 (decl_attributes): Handle A_NO_LIMIT_STACK.
12689 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
12690 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
12691 Handle stack bounds checking.
12692 * flags.h (flag_stack_check): Use the word 'probe' rather than
12693 'check', because the flag doesn't actually cause any checking to
12695 * function.c (expand_function_start): Set
12696 current_function_limit_stack.
12697 * function.h (struct function): Add limit_stack.
12698 (current_function_limit_stack): Define.
12699 * invoke.texi (Code Gen Options): Document new options.
12700 * rtl.h: Declare stack_limit_rtx.
12701 * toplev.c (stack_limit_rtx): New variable.
12702 (decode_f_option): Handle new options -fstack-limit-register=REG,
12703 -fstack-limit-symbol=IDENT, -fno-stack-limit.
12704 (main): Add stack_limit_rtx as GC root.
12705 * tree.h (DECL_NO_LIMIT_STACK): New macro.
12706 (struct tree_decl): New member no_limit_stack.
12708 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
12710 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
12711 (conditional_trap+1): Get new mnemonic correct.
12712 (conditional_trap+2): New pattern for DImode traps.
12714 * config/m68k/m68k.c (output_function_prologue): Handle
12716 * config/m68k/m68k.md (trap): New insn.
12717 (conditional_trap): New insn.
12718 * md.texi (Standard Names): Document `trap' and
12719 `conditional_trap'.
12720 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
12721 so a cc0 setter doesn't get emitted at some random place in the
12724 * config/i960/i960.md (trap): New insn.
12725 (conditional_trap): New expander.
12726 (conditional_trap+1, conditional_trap+2): New insns for signed
12727 and unsigned cases.
12728 * config/i960/i960.c (i960_function_prologue): Use
12729 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
12731 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
12732 Geoffrey Keating <geoffk@cygnus.com>
12734 * flags.h (warn_padded, warn_packed): Add global var decls.
12735 * toplev.c (warn_padded, warn_packed): Add global var defns.
12736 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
12737 * stor-layout.c (layout_record): Add local variable `type'
12738 to hold often-used TREE_TYPE (field). Add local variable
12739 `unpacked_align' to hold alignment that would be in force
12740 if no `packed' attribute were present. Warn if `packed' attribute
12741 is unnecessary, or even harmful. Warn when gcc inserts padding
12742 to satisfy alignment requirements of members. Use NULL_TREE
12743 when checking whether var_size is set.
12744 * invoke.texi: Document new flags.
12746 1999-12-03 Nathan Sidwell <nathan@acm.org>
12748 * frame.c (fde_split): Reimplement to avoid variable sized array.
12750 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12752 * combine.c (try_combine): Before fixing up LOG_LINKS for the
12753 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
12755 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
12757 * invoke.texi: Document the mips option -mno-crt0
12759 1999-12-02 Mike Karr <mkarr@mathworks.com>
12761 * cccp.c (argdata): Added free_ptr member.
12762 (macroexpand): Initialize free_ptr of each argument. When an
12763 argument's buffers are freed, if the argument's free_ptr corresponds
12764 to a buffer on the input stack, then return the free_ptr to that stack
12765 frame, otherwise, free it.
12766 (macarg): If an argument begins and ends on the same input stack level,
12767 then transfer the free_ptr of that buffer to the argument in case
12768 the stack is popped during the processing of a subsequent argument.
12770 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
12772 * loop.c (note_reg_stored): New function.
12773 (struct note_reg_stored_arg): New structure.
12774 (try_copy_prop): Change to be more conservative; only replace within
12775 one extended basic block and stop replacing if a store to the
12776 replacement reg is seen.
12778 1999-12-02 Nick Clifton <nickc@cygnus.com>
12780 * config/fp-bit.c: Initialise all fields of the NAN
12783 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
12786 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
12788 * i386.md (extend?f?f2): Force the input into a register, not
12791 1999-12-01 Jakub Jelinek <jakub@redhat.com>
12793 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
12795 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
12796 alternative because setting up 64bit constant is usually costly,
12797 especially when reload is in progress or completed.
12798 (movdf_const_intreg_sp64): Likewise.
12799 (movdf_const_intreg split): Fix building up constants when
12800 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
12802 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
12804 * combine.c (if_then_else_cond): Use const_true_rtx instead of
12805 const1_rtx for return values in EQ/NE comparison against (const_int 0)
12808 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
12809 (asm_file_start): Emit .am33 into assembly file when compiling for
12811 (print_operand_address): Handle POST_INC addresses.
12812 (can_use_return_insn, initial_offset): Check AM33 registers too.
12813 (expand_prologue): Check & save AM33 registers too.
12814 (expand_epilogue): Similarly.
12815 (secondary_reload_class): Handle AM33 specific secondary reloads.
12816 (output_tst): Emit efficient code for the AM33 too.
12817 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
12818 (TARGET_SWITCHES): Add -mam33 switch.
12819 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
12820 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
12821 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
12822 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
12823 (enum reg_class, REG_CLASS_NAMES): Likewise.
12824 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
12825 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
12826 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
12827 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
12828 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
12829 (HAVE_POST_INCREMENT): Define.
12830 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
12831 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
12832 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
12833 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
12834 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
12835 (zero_extend to SI from QI/HI): Likewise.
12836 (sign_extend to SI from QI/HI): Likewise.
12837 (mulsidi3, umulsidi3): New patterns for the AM33.
12838 (tstsi with zero extension from QI/HI): Add AM33 variants.
12839 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
12840 (return_internal_regs, store_movm): Handle new AM33 registers.
12841 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
12842 (LIBGCC, INSTALL_LIBGCC): Likewise.
12843 * invoke.texi: Document new flags.
12845 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12847 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
12848 (addsi3_carry): Likewise.
12849 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
12850 (sbbsi3_carry): Likewise.
12851 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
12852 (mulhi3): Likewise.
12853 (test?i_1): Ensure that only one operand is memory.
12854 (conditional move patterns): likewise.
12855 (shift and rotate patterns): Rewrite to expander, add
12856 "binary_operator_ok" to the condition.
12858 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
12859 * i386.h (procesor_costs): Add movzbl_load field.
12860 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
12861 non-Q registers, accept DImode registers anywhere.
12863 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
12864 * i386.c (*_cost): Set value for movxbl_load field.
12866 * (addsi): New add to lea splitter.
12867 (ashlsi): Likewise.
12868 (lea to add/shift peep2): New.
12870 1999-12-01 Mark Salter <msalter@cygnus.com>
12872 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
12873 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
12874 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
12876 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12878 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
12879 * i386.md (movsi_xor): New.
12881 (movsi_1, movhi_1, movqi_1): Remove.
12882 (movsi_2): Rename to movsi_1.
12883 (movhi_2): Rename to movhi_1.
12884 (movqi_2): Rename to movqi_1.
12885 (movdi_1): Remove; remove splitter.
12886 (movdi_2): Rename to movdi_1.
12887 (divmodsi4 splitter): Do not emit clobbers for move patterns.
12888 (long move peep2): Do not create QI or HI mode mov0s
12889 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
12891 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
12894 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
12895 (abs?f2_if): Likewise.
12897 1999-11-30 Alex Samuel <samuel@codesourcery.com>
12899 * ggc.h (ggc_test_and_set_mark): New macro.
12900 (ggc_mark_rtx): Use ggc_test_and_set_mark.
12901 (ggc_mark_tree): Likewise.
12902 (ggc_mark_rtvec): Likewise.
12903 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
12905 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
12907 * dwarf2out.c (scope_die_for): Only handle types. Only search for
12909 (decl_scope_table): Just an array of trees now.
12910 (push_decl_scope): Simplify.
12911 (dwarf2out_init): Adjust.
12912 (local_scope_p): New fn.
12913 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
12914 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
12915 (gen_typedef_die): Likewise.
12916 (gen_lexical_block_die): Don't call push/pop_decl_scope.
12917 (gen_inlined_subroutine_die): Likewise.
12918 (gen_abstract_function): Set current_function_decl temporarily.
12919 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
12920 Handle block extern declarations. Don't call push/pop_decl_scope.
12921 (gen_decl_die): Fix logic for block externs.
12923 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12925 * calls.c (special_function_p): Remove `realloc' and add `strdup'
12926 to the list of functions which have attribute malloc by default.
12928 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12930 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
12931 integer constant does not match the traditional type, limit the
12932 warnings to cases where the base of the type is ten.
12934 * invoke.texi (-Wtraditional): Document it.
12936 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12938 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
12939 * rs6000.md: Only access a CONST_INT with INTVAL
12941 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
12943 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
12944 (compute_nearerout): Likewise.
12945 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
12946 size_t to unsigned long for formatting.
12948 1999-11-30 Jakub Jelinek <jakub@redhat.com>
12950 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
12951 Allow the user to override call-used/fixed state of %g2-5
12952 registers from the command line (with the exception of %g4 for
12954 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
12955 there is a higher chance of having a leaf function.
12956 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
12957 for ARCH64 which has %ccr register.
12958 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
12960 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
12961 insn accept into delay slot any insn which does not use %[ol]
12962 registers. Accept some LO_SUM and shift left by 1 for the normal
12964 (output_function_epilogue): Likewise.
12965 (epilogue_renumber): Added argument which inhibits any renumbering
12966 and just tests if the rtx does not use any %[ol] registers.
12967 (output_return): Reflect above change.
12969 1999-11-30 Jakub Jelinek <jakub@redhat.com>
12971 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
12972 aggregate passing for sizes <= 16 bytes.
12974 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
12976 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
12977 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
12978 * reload.c (find_dummy_reload): Likewise.
12979 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
12980 * reload1.c (reload_as_needed): Likewise.
12981 * stupid.c (stupid_find_reg): Likewise.
12982 * tm.texi (Obsolete Register Macros): Delete section.
12983 * gmicro.h: Remove all traces of the two macros.
12984 * i386.h: Likewise.
12985 * m88k.h: Likewise.
12986 * mips.h: Likewise.
12988 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
12990 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
12991 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
12992 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
12993 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
12994 units for the sparclite86x chip.
12995 (flush): Revert October 14th change; add SImode specifically.
12996 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
12997 * invoke.texi: Document it.
12999 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13001 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13002 psimode_truncation_operand.
13004 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13005 function. Return true if the operand is either a MEM valid
13006 for a PSImode address or not a MEM at all.
13008 * config/mn10200/mn10200.md (truncsipsi2): Use
13009 psimode_truncation_operand.
13011 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13013 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13014 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13015 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13016 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13017 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13018 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13019 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13020 * basic-block.h: Protect from multiple inclusion.
13021 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13022 (struct loops, struct loop): Define structures.
13023 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13024 * sbitmap.h: Protect from multiple inclusion.
13025 (sbitmap_a_subset_b_p): Add prototype.
13026 * Makefile.in (LOOP_H): New macro.
13027 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13029 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13031 * cppinit.c (CAT): The argument list of this macro may not contain
13034 1999-11-29 David S. Miller <davem@redhat.com>
13036 Move quantity tables and register equivalence chains into
13037 per-qty and per-register structure arrays respectively.
13038 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13039 qty_const_insn, qty_comparison_code, qty_comparison_const,
13040 qty_comparison_qty): Delete, replace with...
13041 (qty_table): this structure table.
13042 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13043 (reg_eqv_table): this structure table.
13044 (make_new_qty): Add argument MODE. Caller updated.
13045 Update to use qty_table and reg_eqv_table.
13046 (make_regs_eqv, delete_reg_equiv, insert_regs,
13047 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13048 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13049 cse_process_notes, cse_main, cse_basic_block): Likewise.
13051 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13053 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13054 operation if C is negative.
13055 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13056 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13057 law for some divisions if constant is negative and change other
13058 divisions to the opposite rounding.
13060 * expr.c (store_constructor_field): If bit position is not multiple
13061 of alignment of TARGET's mode, use BLKmode.
13063 * expr.c (expand_expr_unaligned): Add more code from full case
13064 that is needed when OP0 is in a register.
13066 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13068 * dwarfout.c (field_byte_offset): Size can be zero if there was
13071 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13073 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13074 (associate_trees): Delete unused var TEM.
13075 (extract_muldiv): Delete unused var CANCEL_P.
13077 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13078 (target_isinf, target_isnan, target_negative): Add return types to
13079 function definitions.
13081 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13083 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13084 * fixinc/hackshell.tpl: ditto
13085 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13086 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13088 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13090 * reload.c (push_reload): When looking for a register to put into
13091 reg_rtx, make sure all hard regs in a multi-reg register are in the
13092 right class and nonfixed.
13094 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13095 pending_read_insns, pending_write_insns, pending_read_mems,
13096 pending_write_mems, pending_list_length, last_pending_memory_flush,
13097 last_function_call, sched_before_next_call): Move static variables
13099 (bb_ prefixed versions): Replace with single array bb_deps.
13100 (struct deps): New structure.
13101 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13102 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13103 argument of type "struct deps *"; use that instead of global
13104 variables. All callers changed.
13105 (init_rgn_data_dependencies): Delete function.
13106 (init_rtx_vector): Delete function.
13107 (init_deps): New function.
13109 (free_pending_lists): Simplify, we always use the bb_deps array even
13110 if only one basic block.
13111 (compute_block_backward_dependences): Likewise.
13112 (schedule_region): Likewise.
13114 (propagate_deps): New function, broken out of
13115 compute_block_backward_dependences.
13116 (compute_block_backward_dependences): Use it.
13118 * alpha.md: Delete useless patterns that tried to work around
13119 register elimination problems.
13121 * unroll.c (loop_iterations): Don't abort if iteration variable
13124 From Joern Rennecke:
13125 * reload1.c (reloads_conflict): Reverse test comparing operand
13126 numbers when testing for conflict between output/outaddr reloads.
13128 1999-11-29 David S. Miller <davem@redhat.com>
13130 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13132 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13134 1999-11-28 Robert Lipe <robertl@cygnus.com>
13136 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13137 table from .fini into .dtor.
13139 1999-11-28 Anthony Green <green@cygnus.com>
13141 * tree.h (struct tree_decl): Add malloc_flag.
13142 (DECL_IS_MALLOC): Define.
13143 * c-common.c (attrs): Add A_MALLOC attribute.
13144 (init_attributes): Add this attribute to the table.
13145 (decl_attributes): Handle malloc attribute.
13146 * calls.c (special_function_p): Check for the malloc attribute.
13147 * extend.texi (Function Attributes): Document malloc attribute.
13149 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13151 * pa.md (reload shift-add patterns): Remove.
13153 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13155 * reorg.c (dbr_schedule) Print more statistics. Corrected
13156 problem when printing info when 3 delay slots are filled.
13158 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13160 * combine.c (setup_incoming_promotions): Pass an outgoing
13161 regno to FUNCTION_ARG_REGNO_P which it expects.
13163 1999-11-28 Andreas Jaeger <aj@suse.de>
13165 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13167 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13169 * cccp.c (do_include): Avoid initialization of automatic variable.
13171 * integrate.c (mark_stores): Function definition made void, to match
13172 previous declaration.
13173 * regclass.c (dump_regclass): Ditto.
13174 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13176 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13178 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13179 known to be multiple of divisor.
13181 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13183 * combine.c (try_combine): Add code to try to merge a set of a
13184 two-word pseudo to a constant with a setting of one of those words
13187 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13188 (split_tree): Completely rework to make more general.
13189 (make_range, fold): Call negate_expr.
13190 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13191 (fold, associate): Call new split_tree and associate_trees.
13192 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13194 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13196 * loop.c (try_copy_prop): Avoid GNU C extension.
13198 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13200 * except.c (init_eh_for_function): Still zero eh_return_context,
13201 eh_return_stack_adjust, and eh_return_handler.
13203 * except.h (eh_status): Adjust documentation for x_protect_list.
13204 (begin_protect_partials): New function.
13205 * except.c (enqueue_eh_entry): Fix formatting.
13206 (get_first_handler): Add consistency check.
13207 (add_partial_entry): Adjust usage of protect_list.
13208 (emit_cleanup_handler): Save and restore ehqueue.
13209 (expand_start_all_catch): Add comment.
13210 (begin_protect_partials): New function.
13211 (end_protect_partials): Adjust usage of protect_list.
13212 (init_eh_for_function): Use xcalloc.
13214 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13216 * c-common.c (check_format_info): Don't call a variadic function
13217 with a non-literal format string.
13219 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13221 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13222 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13225 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13228 * collect2.c (collect_wait): Likewise.
13230 * dbxout.c (dbxout_type): Likewise.
13232 * gcc.c (do_spec_1): Likewise.
13234 * genemit.c (gen_insn, gen_expand): Likewise.
13236 * genrecog.c (write_switch, write_subroutine): Likewise.
13238 * mips-tfile.c (catch_signal, botch): Likewise.
13240 * print-rtl.c (print_rtx): Likewise.
13242 * toplev.c (default_print_error_function, report_error_function,
13243 _fatal_insn): Likewise.
13245 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13247 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13249 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13251 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13252 operations when needed.
13253 * i386.md (fop_?f_comm): New.
13254 (fop_?f_1): Do not accept commutative operands.
13256 1999-11-25 Andreas Jaeger <aj@suse.de>
13258 * config/mips/mips.md (casesi_internal): Add missing brace.
13260 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13262 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13263 (splice_child_die): Handle moving a child DIE from the declaration
13264 DIE of a class to its specification.
13265 (gen_struct_or_union_type_die): Use 'complete' consistently.
13266 (gen_decl_die): Generate the virtual context DIE first.
13267 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13269 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13271 * config/mips/mips.md (call_value_multiple_interanal1): New.
13273 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13275 * dwarf2out.c (free_AT, free_die): New fns.
13276 (remove_children): Call them.
13277 (output_line_info): Disable removal of duplicate notes.
13279 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13280 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13281 means pretend the type isn't defined.
13282 Don't defer emitting types.
13283 (gen_type_die_for_member): New fn.
13284 (gen_decl_die): Call it.
13285 (splice_child_die): New fn.
13286 (gen_member_die): Call it rather than generate duplicate dies.
13288 Defer emitting information for the abstract instance of an inline
13289 until we either inline it or emit an out-of-line copy.
13290 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13291 from output_inline_function if DECL_ABSTRACT is also set.
13292 (block_ultimate_origin): Likewise.
13293 (gen_abstract_function): New fn.
13294 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13295 (gen_subprogram_die): An abstract instance is not a declaration
13296 just because it doesn't match current_function_decl. Don't abort
13297 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13298 has an abstract origin.
13299 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13300 abstract instance here.
13302 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13304 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13305 where we need to reload fpul from a system register.
13307 1999-11-24 Andreas Jaeger <aj@suse.de>
13309 * config/mips/linux.h (CPP_PREDEFINES): Added.
13310 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13312 1999-11-24 Andreas Jaeger <aj@suse.de>
13314 * config/mips/linux.h (TARGET_VERSION): Added.
13315 (HANDLE_SYSV_PRAGMA): Added.
13316 (DEFAULT_VTABLE_THUNKS): Added.
13318 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13320 * local-alloc.c (qty): New structure and static variable.
13321 (qty_phys_reg): Remove, all references changed to qty.
13322 (qty_n_refs): Likewise.
13323 (qty_min_class): Likewise.
13324 (qty_birth): Likewise.
13325 (qty_death): Likewise.
13326 (qty_size): Likewise.
13327 (qty_mode): Likewise.
13328 (qty_n_calls_crossed): Likewise.
13329 (qty_alternate_class): Likewise.
13330 (qty_changes_size): Likewise.
13331 (qty_first_reg): Likewise.
13332 (alloc_qty): Rename variable QTY to QTYNO.
13333 (finf_free_reg): Likewise.
13334 (local_alloc): Allocate qty, do not allocate the removed variables.
13336 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13338 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13339 when -membedded-pic is passed.
13341 * config/mips/mips.md (casesi): Handle 64-bit case too.
13342 (casesi_internal_di): New insn.
13344 * config/mips/mips.c (embedded_pic_offset): Always make the
13345 embedded-pic subtractions relative to the name of the current
13346 function by use of the magic string "..CURRENT_FUNCTION".
13347 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13349 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13351 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13352 of (const_int 0), when what we really care about is
13353 whether it's a zero constant anyway.
13354 (div_trap_mips16): Likewise.
13356 1999-11-23 Mark Mitchell <mark@codesourcery.com>
13358 * loop.c (loop_optimize): Always find_loop_tree_blocks and
13359 unroll_block_trees when generating debuggable code.
13361 * tree.h (unsave_expr_1): New function.
13362 (lang_unsave): New variable.
13363 (get_callee_fndecl): New function.
13364 * tree.c (unsave_expr_now_r): New function.
13365 (lang_unsave): Define.
13366 (unsave_expr_1): Likewise.
13367 (unsave_expr_now_r): Split out from unsave_expr_now.
13368 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
13369 call unsave_expr_now_r.
13370 (get_callee_fndecl): Define.
13372 * Makefile.in (gencheck): Don't depend on lang_tree_files.
13373 (gencheck.o): Do depend on lang_tree_files.
13375 * integrate.h (copy_decl_for_inlining): New declaration.
13376 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
13377 (copy_decl_for_inlining): New function.
13378 (integrate_parm_decls): Use it.
13379 (integrate_decl_tree): Likewise.
13381 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
13383 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
13384 the second two from the first.
13385 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
13386 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
13387 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13389 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
13390 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13393 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
13395 * pa.md (call_internal_symref, call_value_internal_symref): No mode
13396 needed on the address operand.
13397 * pa.c (call_operand_address): Check for the correct mode.
13399 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
13401 * loop.c: Include "basic-block.h".
13402 (try_copy_prop, replace_loop_reg): New functions.
13403 (load_mems): Detect registers that just hold copies of the hoisted
13404 mem, and call try_copy_prop to eliminate them.
13405 * Makefile.in (loop.o): Update dependencies.
13407 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
13409 * Makefile.in (gencheck.o): Depend on gencheck.h.
13410 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
13411 (insn-peep.o): Depend on except.h and function.h.
13412 (insn-attrtab.o): Depend on RECOG_H.
13413 (insn-output.o): Depend on toplev.h and flags.h.
13414 (gengenrtl.o): Depend on real.h.
13415 (gen-protos.o): Depend on cpplib.h and cpphash.h.
13416 Unify all dependencies to be on RECOG_H rather than recog.h.
13418 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13420 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
13421 * configure.in: Try building a bi-arch 32/64-bit compiler on
13422 sparc-*-solaris2.7 and higher.
13423 * configure: Rebuild.
13425 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
13427 * config/freebsd.h: New, FreeBSD architecture independent file.
13428 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
13429 independent pieces.
13430 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
13431 directly by i386/freebsd.h.
13432 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
13433 independent configuration file.
13434 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
13435 directly by i386/freebsd.h.
13436 * configure: Rebuilt.
13438 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
13439 which is in the user's namespace.
13440 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
13441 `i386' which is not in our namespace.
13443 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
13445 * invoke.texi (ARM Options): Add in -mno-alignment-traps
13447 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13449 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
13450 (add_dwarf_attr, add_child_die): Just push onto the front.
13451 (reverse_die_lists): New fn.
13452 (add_sibling_attributes): Use it.
13453 (push_decl_scope): Reorganize.
13454 (add_name_and_src_coords_attributes): Don't set file and line for
13455 an artificial decl.
13456 (gen_subprogram_die): An artificial function doesn't need to match
13458 (gen_compile_unit_die): Return the generated die. Only add
13459 AT_comp_dir if the filename is relative.
13460 (remove_AT): Simplify loop. Also free string values.
13461 (output_die): A DIE ref can't be null.
13462 (output_value_format, value_format): Take a dw_attr_ref.
13463 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
13464 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
13465 AT_addr, AT_lbl): New fns.
13466 (various): Use them.
13467 (various): Constify.
13469 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13471 * combine.c (combine_simplify_rtx): When handling a SUBREG,
13472 take SUBREG_WORD into account.
13473 (if_then_else_cond): Likewise.
13475 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13477 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
13478 clause from BSD license, pursuant with
13480 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
13482 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
13484 * loop.c (load_mems): Reformat slightly.
13485 * basic-block.h (regset_head): New typedef.
13486 (INIT_REG_SET): New macro.
13488 1999-11-22 Bruce Korb <autogen@linuxbox.com
13490 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
13491 (mips-dec-bsd*): non-functional code
13492 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
13494 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
13495 added three replacement fixes
13496 (no_double_slash): removed comments that are not (any longer) pertinent
13497 (bad_lval): this fix currently runs against many files.
13498 The comment seems to indicate that we should select for files
13499 containing 'pragma extern_prefix'.
13501 * fixinc/fixinc.x86-linux-gnu: deleted
13502 * fixinc/inclhack.sh: regen
13503 * fixinc/fixincl.x: regen
13504 * fixinc/fixincl.sh: regen
13506 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
13508 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
13509 its code is INSN and it has no notes.
13511 1999-11-22 Andrew Haley <aph@cygnus.com>
13513 * varasm.c (function_defined): Remove.
13514 (make_function_rtl): Don't set function_defined.
13515 (make_decl_rtl): Remove global register warning.
13516 * regclass.c (no_global_reg_vars): New variable.
13517 (globalize_reg): Warn if function has already been defined.
13518 (regclass_init): Set no_global_reg_vars.
13520 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13522 * regclass.c (reg_pref): New structure and static variable
13523 (prefclass): Delete.
13524 (altclass): Delete.
13525 (all uses of prefclass and altclass): Use reg_pref instead.
13527 1999-11-21 Nick Clifton <nickc@cygnus.com>
13529 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
13531 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
13532 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13533 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13535 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
13537 * varasm.c (output_constructor): Solve problem with long long
13538 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
13540 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13542 * global.c (allocno): New structure and static variable.
13543 (allocno_reg): Remove, all references replaced by allocno.
13544 (allocno_size): Likewise.
13545 (hard_reg_conflicts): Likewise.
13546 (hard_reg_preferences): Likewise.
13547 (hard_reg_copy_preferences): Likewise.
13548 (hard_reg_full_preferences): Likewise.
13549 (regs_someone_prefers): Likewise.
13550 (allocno_calls_crossed): Likewise.
13551 (allocno_n_refs): Likewise.
13552 (allocno_live_length): Likewise.
13553 (find_reg): Rename ALLOCNO to NUM.
13555 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
13556 references updated.
13557 (may_move_out_cost): New variable.
13558 (init_reg_sets_1): Initialize may_move_out_cost.
13559 (record_reg_classes): Use may_move_out_cost.
13561 * regclass.c (dump_regclass): New function.
13562 (regclass): New parameter DUMP, call DUMP_REGCLASS.
13563 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
13564 pass rtl_dump_file to regclass.
13565 * rtl.h (regclass): Update prototype.
13567 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13569 * i386.md (neg, not and abs patterns): Revmap to use
13570 ix86_expand_unary_operator and ix86_unary_operator_ok.
13571 (add?f and sub?f expanders): Force operand 1 to register.
13572 * i386.c (ix86_expand_unary_operator): Rewrite.
13573 (ix86_unary_operator_ok): Ensure that memory operands
13575 (ix86_binary_operator_ok): Do not allow operand 1 to
13576 come into memory and operand 0 not.
13577 (ix86_expand_binary_operator): Ensure that
13578 src1 is not non-matching memory.
13580 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
13581 to support integer registers and memory.
13582 (abss?2_integer): Likewise.
13584 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
13585 (REG_CLASS_NAMES): Likewise.
13586 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
13588 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
13589 (movsf): Likewise; unify 4th and 5th alternative.
13590 (pushdf): Likewise.
13591 (movdf_1): Likewise; rename to movdf_integer.
13592 (pushxf): Likewise; rename to pushxf_integer; fix output template;
13593 remove redundant splitter.
13594 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
13595 (movdf_nointeger): New.
13596 (movxf_nointeger): New.
13597 (pushxf_nointeger): New.
13599 * i386.md (extend?f?f): Split to expander and pattern, refuse two
13600 memory operands in patterns.
13601 (fop*): Refuse two memory operands.
13603 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
13604 on !TARGET_USE_CLTD CPUs.
13606 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
13608 * extend.texi: Document C++ restricted pointers and references.
13610 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
13612 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
13613 (invalidate_skipped_set): Call it unconditionally.
13614 (cse_set_around_loop): Likewise.
13616 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13618 * rtl.texi (mem): Add documentation for alias-set argument
13621 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13623 * i386.h (struct_processor_costs): New fields int_load, int_store,
13624 fp_move, fp_load and fp_store
13625 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
13627 (MEMORY_MOVE_COST): New macro.
13628 * i386.c (386_cost): Define new fields.
13629 (i486_cost): Likewise.
13630 (pentium_cost): Likewise.
13631 (pentiumpro_cost): Likewise.
13632 (k6_cost): Likewise.
13634 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
13635 Geoffrey Keating <geoffk@cygnus.com>
13637 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
13639 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
13642 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
13643 (TARGET_STRICT_ALIGNMENT): New macro.
13644 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
13645 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
13646 * invoke.texi (M680x0 Options): Document -mstrict-align.
13648 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
13649 Richard Henderson <rth@cygnus.com>
13651 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
13652 (ix86_split_long_move): Declare.
13653 * i386.c (split_xf, ix86_split_movdi): Remove.
13654 (ix86_split_to_parts, ix86_split_long_move): New.
13655 * i386.md (dimode move splitters): Use ix86_split_long_move.
13656 (dfmode move splitters): Likewise.
13657 (xfmode move splitters): Likewise.
13658 (movsf_1): Allow F->r.
13659 (movdf_1, movxf_1): Allow F->ro.
13661 1999-11-17 Mark Mitchell <mark@codesourcery.com>
13663 * except.h (struct eh_entry): Add goto_entry_p.
13664 (eh_region_from_symbol): Remove prototype.
13665 * except.c (find_func_region_from_symbol): New function.
13666 (emit_cleanup_handler): Likewise.
13667 (eh_region_from_symbol): Make it static.
13668 (add_new_handler): Verify the argument.
13669 (find_func_region): Update comment.
13670 (expand_eh_region_end): Expand handlers here, rater than waiting
13671 until expand_leftover_cleanups or start_all_catch.
13672 (expand_leftover_cleanups): Don't expand here.
13673 (expand_start_all_catch): Or here.
13674 (expand_rethrow): Check the return value from find_func_region.
13675 * function.c (expand_function_end): Emit the catch_clauses.
13677 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
13679 * integrate.c (expand_inline_function): Add necessary check for NULL.
13681 1999-11-18 Nick Clifton <nickc@cygnus.com>
13683 * toplev.c (main): Correctly detect an unrecognised option.
13685 * cppinit.c (cpp_handle_option): Do not claim to have consumed
13686 a -f option if it has not been recognised.
13688 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
13690 * basic-block.h (update_life_extent): Remove trailing comma on
13691 enumeration type list.
13693 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13695 * varasm.c (output_constructor) Solved problem with long long
13696 bitfields. Corrected calculating this_time and shift. Also
13697 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
13699 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
13701 * flow.c (split_edge): Take looping structure into account when
13702 determining where to put the new block note.
13704 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
13706 * Makefile.in (ggc-none.o): Provide host specific version if
13709 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
13711 * cse.c (delete_trivially_dead_insns): Identify no-op insns
13712 containing subregs too.
13714 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13716 * invoke.texi: Add documentation for -muninit-const-in-rodata.
13717 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
13718 (TARGET_UNINIT_CONST_IN_RODATA): Define.
13719 (text_section): Add switches -munint-const-in-rodata and
13720 -mno-uninit-const-in-rodata.
13721 (ASM_OUTPUT_COMMON): Remove.
13722 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
13723 const objects should be placed in read-only data. Otherwise declare
13726 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
13728 * jump.c (jump_optimize_1): Revert last change.
13730 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
13732 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
13733 test if optimizing for size.
13735 1999-11-17 Mark Mitchell <mark@codesourcery.com>
13737 * Makefile.in (toplev.o): Depend on except.h.
13738 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
13740 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13742 * i386.md (divmodsi4): Rewrite to expander.
13743 (*divmodsi4_nocltd): New.
13744 (*divmodsi4_cltd): New.
13745 (divmodsi4 splitter): Handle the case when input comes in edx.
13746 (udivmodhi4): Do not use constraints in exander.
13747 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
13749 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
13751 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
13752 for the common case.
13754 1999-11-16 Jakub Jelinek <jakub@redhat.com>
13756 * explow.c (hard_function_value): Add outgoing argument.
13757 * expr.h (hard_function_value): Declare it.
13758 * calls.c (expand_call, emit_library_call_value): Update callers.
13759 * function.c (aggregate_value_p): Ditto.
13760 (diddle_return_value): Must look at the outgoing registers
13761 on archs with register windows.
13763 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
13765 * alpha.c (alpha_build_va_list): Use make_lang_type and
13766 initialize TYPE_NAME for the va_list record.
13768 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
13770 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
13772 * ggc.h (struct ggc_statistics): Rearrange elements for better
13773 packing on 64-bit hosts.
13774 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
13775 (compute_nearerout): Likewise.
13777 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
13779 * config/rs6000/rs6000.c (first_reg_to_save): Save
13780 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
13782 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
13784 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
13785 notion of nesting to find the DIE for a type or function.
13786 DIEs can go in limbo even if we got a context_die.
13787 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
13788 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
13790 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
13791 (gen_type_die): Writing out the context doesn't cause member class
13792 template instantiations to be written out as well.
13794 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
13796 * rs6000.h (ASM_OUTPUT_DEF): New.
13797 Based on proposed addition from David Edelsohn.
13799 1999-11-15 Robert Lipe <RobertLipe@usa.net>
13800 Bruce Korb <autogen@linuxbox.com>
13802 * fixinc/inclhack.def
13803 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
13804 (unixware7_byteorder_fix): added. Removes conflicts for new defs
13806 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
13807 (svr4_endian): enabled with SVR5
13808 (svr4_mkdev): simplified syntax and enabled with SVR5
13810 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
13812 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
13813 * configure: Rebuilt.
13814 * config/t-freebsd-thread: New file.
13816 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
13818 * i386.c (ix86_decompose_address): Verify the base is a REG
13819 before trying to examine its register number.
13821 * basic-block.h: Remove all #defines and prototypes related to
13823 (free_bb_mem, compute_preds_succs): Remove prototype.
13824 * rtl.h (free_bb_mem): Remove prototype.
13825 * flow.c (alloc_int_list_node); Remove function.
13826 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
13827 (compute_preds_succs, free_bb_mem): Likewise.
13828 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
13829 * toplev.c (rest_of_compilation): Likewise.
13830 * haifa-sched.c (build_control_flow): Use flow generated edge
13831 list to build the haifa specific edge list.
13832 (find_rgns): Use new CFG data structures instead of pred/succ lists.
13833 (schedule_insns): Do not build pred/succ lists anymore. Instead
13834 build the edge table.
13836 * basic-block.h (dump_bb_data): Remove declaration.
13837 * flow.c (dump_bb_data): Remove function.
13838 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
13839 (sbitmap_union_of_predsucc): Likewise.
13841 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
13842 argument. All callers changed.
13843 (delete_null_pointer_checks_1): No longer need to compute the
13846 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
13847 All callers changed.
13848 (pre_expr_reaches_here_p_work): Likewise.
13849 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
13850 * lcm.c (compute_laterin): Fix initialization of LATER.
13851 (compute_nearerout): Similarly for NEARER.
13853 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13855 * cse.c (set_nonvarying_address_components): Delete unused function.
13856 (refers_to_p): Likewise.
13858 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
13860 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
13863 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13865 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
13866 definition in do while (0).
13868 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
13870 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
13872 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
13874 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
13876 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
13878 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
13879 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
13880 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
13881 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
13883 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
13884 saved on the stack. Output more accurate stack frame statistics
13885 into assembler file.
13887 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
13889 * genextract.c (record_insn_name): New function.
13890 (get_insn_name): No longer a stub.
13891 (main): Call record_insn_name for each insn. After each label
13892 written, print the insn name in a comment.
13894 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13896 * output.h (const_section, init_section, fini_section): Add
13899 * alpha/elf.h (const_section): Delete declaration.
13901 * svr4.h (const_section): Likewise.
13903 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
13905 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
13906 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
13907 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
13909 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
13910 variable-sized array bounds.
13912 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
13914 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
13917 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13919 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
13920 addresses the same way GO_IF_LEGITIMATE_INDEX does.
13922 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13924 * cse.c (hash_arg_in_struct): Delete.
13925 (struct table_elt): Delete elt in_struct.
13926 (struct set): Delete elt src_in_struct.
13927 (merge_equiv_classes): Don't set either hash_arg_in_struct or
13928 the corresponding in_struct elts.
13929 (canon_hash): Likewise.
13930 (safe_hash): Likewise.
13931 (find_best_addr): Likewise.
13932 (record_jump_cond): Likewise.
13933 (cse_insn): Likewise.
13935 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
13937 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
13939 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
13942 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
13944 * function.c (diddle_return_value): Put back check that the DECL_RTL
13945 for the function is a register.
13947 * function.c (diddle_return_value): Use hard_function_value to
13948 get an rtx suitable for use in the USE/CLOBBER insn.
13950 * global.c (global_conflicts): Update comments.
13951 (record_conflicts): No need to record conflicts between pseudos here.
13953 1999-11-11 Bruce Korb <autogen@linuxbox.com>
13955 * fixinc/fixincl.c: Added verbose levels for status messages
13957 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13959 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
13960 operand as argument to expand_and or expand_binop.
13962 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
13964 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
13965 gcc_add_string_root.
13967 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
13969 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
13971 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
13973 * flow.c (compute_flow_dominators): Initially put all blocks on
13975 * lcm.c (compute_antinout_edge, compute_available): Similarly.
13976 * gcse.c (compute_cprop_avinout): Remove.
13977 (compute_cprop_data): Use compute_available.
13978 (delete_null_pointer_checks_1): Use compute_available.
13980 * basic-block.h (compute_available): Returns a void now.
13981 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
13982 to return a value anymore.
13983 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
13984 worklists. Fix boundary cases. Compute maximal solutions.
13985 (compute_laterin, compute_nearerout): Similarly.
13987 * dwarf2out.c (add_AT_location_description): Allow
13988 (mem (plus (pseudo) (...)) too.
13990 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
13992 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
13994 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
13995 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13997 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
13999 * gansidecl.h: Likewise.
14005 * toplev.h: Likewise.
14007 * tree.c: Likewise.
14009 * tree.h: Likewise.
14011 * varray.c: Likewise.
14013 * varray.h: Likewise.
14015 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14017 * gcov.c (struct arcdata): Add hits and total, remove prob.
14018 (output_branch_counts): New.
14019 (process_args): Set output_branch_counts if -c.
14020 (calculate_branch_probs): Store hits and total instead of
14022 (output_data): Emit counts if output_branch_counts is true.
14023 * gcov.texi (Invoking Gcov): Document -c switch..
14025 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14027 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14028 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14030 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14032 * invoke.texi (C Dialect Options): Add missing builtins from
14033 c-common.c to list.
14034 * extend.texi (Other Builtins): Copy to this list.
14036 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14038 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14039 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14040 redundant bitmap.h.
14042 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14044 * flow.c (compute_flow_dominators): No longer treat basic block 0
14045 or (n_basic_blocks - 1) specially. Clear the AUX field before
14046 starting computation of doms/pdoms. Fix initial state for pdoms.
14048 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14050 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14051 match rtl.o's: added ggc.h and toplev.h
14052 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14053 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14054 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14056 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14058 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14059 from HAVE_DOS_BASED_FILESYSTEM.
14060 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14061 HAVE_DOS_BASED_FILESYSTEM.
14063 (split_directories): Only special-case DOS file names if
14064 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14065 instead of explicit tests. Conditionalize on !VMS.
14066 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14067 tests. Conditionalize on !VMS.
14068 (process_command): Only use make_relative_prefix if !VMS.
14069 (free_split_directories): Conditionalize on !VMS.
14070 (DIR_UP): Conditionalize on !VMS.
14072 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14074 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14076 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14078 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14081 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14083 * invoke.texi (Environment Variables): Document relative path
14085 * gcc.c (DIR_UP): If not defined, define as "..".
14086 (standard_bindir_prefix): New static, holds target location to
14088 (split_directories): New function to split a filename into
14089 component directories.
14090 (free_split_directories): New function, release memory allocated
14091 by split_directories.
14092 (make_relative_prefix): New function, make a relative pathname if
14093 the compiler is not in the expected location.
14094 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14095 can figure out an appropriate prefix from argv[0].
14096 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14097 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14098 STANDARD_BINDIR_PREFIX.
14100 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14102 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14104 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14105 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14106 c4x_secondary_memory_needed) Delete.
14107 (fp_zero_operand): Add mode argument.
14109 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14111 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14112 that is in reload_reg_used.
14114 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14116 * config/arm/arm-protos.h: New file: Prototypes for functions
14117 defined in arm.c and pe.c.
14118 * config/arm/arm.h: Fix compile time warnings.
14119 * config/arm/arm.c: Fix compile time warnings.
14120 * config/arm/pe.h: Fix compile time warnings.
14121 * config/arm/aout.h: Fix compile time warnings.
14123 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14125 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14128 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14129 Add support for subtargets.
14130 Add prototypes for new predicates.
14131 Add scheduling macros.
14133 * config/m32r/m32r.c: Fix compile time warnings.
14134 (int8_operand): New predicate function.
14135 (reg_or_cmp_int16_operand): New predicate function.
14136 (extend_operand): New predicate function.
14137 (m32r_adjust_code): New scheduling function.
14138 (m32r_adjust_priorty): New scheduling function.
14139 (m32r_sched_init): New scheduling function.
14140 (m32r_sched_reorder): New scheduling function.
14141 (m32r_sched_variable_issue): New scheduling function.
14142 (direct_return): New codegen function.
14143 (m32r_not_same_reg): New rtl testsing function.
14145 * config/m32r/m32r.md: Fix compile time warnings.
14146 Add support for pre decrement and post increment memory
14148 Add S<cc> patterns.
14151 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14153 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14154 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14155 (find_reg): Likewise.
14157 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14159 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14160 to avoid assembler errors.
14162 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14164 * config/v850/v850-protos.h: New file: Prototypes for functions
14166 * config/v850/v850.h: Move prototypes to v850-protos.h
14167 * config/v850/v850.c: Move prototypes to v850-protos.h
14168 * config/v850/v850.md: Fix compile time warnings.
14170 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14172 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14173 * config/fr30/fr30.c: Fix compile time warnings.
14174 * config/fr30/fr30.md: Fix compile time warnings.
14176 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14178 * tree.h (get_containing_scope): Declare it.
14179 * tree.c (get_containing_scope): New fucntion.
14180 (decl_function_context): Use it.
14181 * toplev.c (rest_of_compilation): Use get_containing_scope.
14183 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14185 * Makefile.in (rtl.o): Depend on toplev.h.
14187 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14189 * cse.c (delete_trivially_dead_insns): Replace alloca with
14191 * except.c (update_rethrow_references): Likewise.
14192 (init_eh_nesting_info): Likewise.
14193 * function.c (identify_blocks): Likewise.
14194 * gcse.c (dump_hash_table): Likewise.
14195 * graph.c (print_rtl_graph_with_bb): Likewise.
14196 * loop.c (combine_movables): Likewise.
14197 (move_movables): Likewise.
14198 (count_loop_regs_set): Likewise.
14199 (strength_reduce): Likewise.
14200 * profile.c (compute_branch_probabilities): New function, split
14202 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14203 * regclass.c (regclass): Likewise.
14204 * regmove.c (regmove_optimize): Likewise.
14205 * toplev.c (compile_file): Likewise.
14206 (main): Don't mess with the stack rlimit.
14208 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14210 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14211 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14213 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14215 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14217 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14219 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14220 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14223 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14225 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14227 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14229 * gcse.c (post_dominators): Kill.
14230 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14231 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14232 pass in a pdom array since we do not need pdoms.
14233 * haifa-sched.c (schedule_insns): Similarly.
14234 * flow.c (compute_dominators): Remove dead function.
14235 (compute_flow_dominators): Do not compute doms or pdoms if the
14236 caller does not request them. Split up loop to build doms and
14237 pdoms. Use a worklist to compute doms and pdoms.
14238 * basic-block.h (compute_dominators): Remove prototype.
14240 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14242 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14243 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14244 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14245 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14246 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14247 (schedule_region): Remove unused variable.
14248 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14250 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14252 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14253 (update_equiv_regs): Likewise.
14254 (block_alloc): Likewise.
14255 * reg-stack.c (reg_to_stack): Likewise.
14256 (convert_regs_2): Likewise.
14257 * reload1.c (reload_as_needed): Likewise.
14259 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14261 * Makefile.in (dbxout.o): Depend on ggc.h.
14262 (dwarf2out.o): Likewise.
14263 (xcoffout.o): Likewise.
14264 * dbxout.c: Include ggc.h.
14265 (dbxout_init): Register lastfile as a root.
14266 * dwarf2out.c: Include ggc.h.
14267 (dwarf2out_line): Register lastfile as a root.
14268 * xcoffout.c: Include ggc.h.
14269 (xcoffout_source_line): Register xcoff_lastfile as a root.
14271 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14273 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14275 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14277 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14279 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14281 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14283 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14284 (EXECUTE_IF_CONFLICT): Likewise.
14285 (ALLOCNO_LIVE_P): Avoid signed division.
14286 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14287 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14288 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14290 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14292 * haifa-sched.c (schedule_block): Don't crash if there's no
14293 next insn for an interblock movement.
14294 (add_branch_dependences): Don't allow clobber insns to move either.
14296 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14298 * i386.c (split_xf): New.
14299 * i386-protos.h: Declare it.
14300 * i386.md (movxf_1): Add general regs alternatives.
14301 (movxf_1+1): New splitter for same.
14303 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14305 * function.c (purge_addressof_1): Add missing return values.
14307 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14309 * function.c (is_addressof): New function. Returns true if
14310 the given piece of RTL is an ADDRESSOF.
14311 (purge_addressof_1): Make boolean. Return false if the
14312 ADDRESSOFs could not be purged.
14313 (purge_addressof): If ADDRESSOFs could not be purged from the
14314 notes attached to an insn, remove the offending note(s),
14315 unless they are attached to a libcall.
14317 1999-11-05 Andreas Jaeger <aj@suse.de>
14319 * genoutput.c (null_operand =): Initialize all fields.
14321 * errors.h: Add extern to prototypes.
14323 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14325 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14326 * configure: Rebuilt.
14328 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14330 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14331 (mirror_conflicts): New function.
14332 (global_alloc): Call it.
14333 (expand_preferences): Remove redundant CONFLICTP test.
14334 (find_reg, dump_conflicts): Likewise.
14335 (prune_preferences): Process conflicts one word at a time.
14337 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14339 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14340 instead of an explicit loop.
14342 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14344 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14345 if REG_RETVAL check succeeds, then put classp in src_elt.
14347 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14349 * function.c (pad_to_arg_alignment): Only update argument_pad
14350 if the argument's alignment is greater than STACK_BOUNDARY.
14352 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14354 * bitmap.h (BITMAP_XFREE): New.
14355 * flow.c (life_analysis): Use it.
14356 (life_analysis_1): Free blocks.
14358 * combine.c (undo_commit): New.
14359 (try_combine): Use it. Don't zap undobuf.undos.
14360 (combine_instructions): Don't zap undobuf.undos; free the
14361 undobuf.frees list.
14363 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
14365 * stmt.c (cost_table_): New.
14366 (estimate_case_costs): Use it instead of xmalloc.
14368 * toplev.c (compile_file): Reuse dumpname memory instead
14371 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
14373 * reg-stack.c (convert_regs_1): Initialize target_stack->top
14374 after verifying an EH edge.
14376 * haifa-sched.c (init_rgn_data_dependences): Correctly
14377 size bb_pending_lists_length when zeroing.
14379 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
14381 * function.c (diddle_return_value): New.
14382 (expand_function_end): Use it.
14383 * stmt.c (expand_null_return): Likewise.
14384 (expand_value_return): Likewise.
14386 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
14388 * reload1.c (reload): Don't remove return value clobbers.
14390 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
14392 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
14394 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
14396 * cse.c (cse_main): Use xmalloc, not alloca.
14397 (cse_basic_block): Likewise.
14398 * local-alloc.c (local_alloc): Likewise.
14400 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
14401 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14403 * rtl.c: Include toplev.h.
14404 (fatal): Remove declaration.
14406 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
14408 * haifa-sched.c (schedule_block): Fix thinko.
14410 1999-11-03 James McKelvey <mckelvey@fafnir.com>
14412 * fixinc/fixincl.c(create_file): Allow for systems that do not have
14413 S_IR* defined values
14415 1999-11-03 Philippe De Muyter <phdm@macqel.be>
14417 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
14418 call `malloc' instead.
14420 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
14422 * flags.h (flag_renumber_insns): Declare.
14423 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
14425 * rtl.h (renumber_insns): Change prototype.
14426 * toplev.c (flag_renumber_insns): Define.
14427 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
14429 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
14431 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
14432 and fpsqrtd. Use them and create fdiv function unit to more
14433 accurately represent fpu sqrt pipeline semantics on UltraSparc.
14434 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
14436 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
14438 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
14440 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
14441 insn into ready list, do not use just a raw swap.
14443 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
14445 * rtl.h (renumber_insns): New function.
14446 (remove_unnecessary_notes): Likewise.
14447 * emit-rtl.c (renumber_insns): Define.
14448 (remove_unncessary_notes): Likewise.
14449 * toplev.c (rest_of_compilation): Remove dead code.
14450 Use renumber_insns and remove_unncessary_notes.
14452 * gcse.c (struct null_pointer_info): New type.
14453 (get_bitmap_width): New function.
14454 (current_block): Remove.
14455 (nonnull_local): Likewise.
14456 (nonnull_killed): Likewise.
14457 (invalidate_nonnull_info): Take a null_pointer_info as input.
14458 (delete_null_pointer_checks_1): New function.
14459 (delete_null_pointer_checks): Use it.
14461 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
14462 (split_edges): Likewise.
14463 (schedule_block): Likewise.
14464 (compute_block_backward_dependencies): Likewise.
14465 (schedule_region): Likewise.
14466 (schedule_insns): Likewise.
14468 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
14470 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
14471 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
14472 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
14473 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
14474 * jump.c (delete_unreferenced_labels): Don't delete if
14475 LABEL_ALTERNATE_NAME is set.
14476 * print-rtl.c (print_rtx): Dump alternate name.
14477 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
14478 * rtl.h (LABEL_ALTERNATE_NAME): Define.
14479 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
14480 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
14482 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14484 * fix-header.c (recognized_extern, recognized_function): Constify
14487 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
14488 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14489 (compute_available): Remove unused variable `last'.
14490 (compute_nearerout): Remove unused variable `temp_bitmap'.
14491 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14492 Remove unused variable `x'.
14494 * scan.h (recognized_function, recognized_extern): Constify a
14497 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
14499 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14501 * varasm.c (decode_rtx_const): Use XSTR to access the string
14504 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
14506 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
14508 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14510 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
14512 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
14514 * pa.c (ireg_operand): New function.
14515 * pa.h (PREDICATE_CODES): Handle ireg_operand.
14516 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
14517 Fix out of date comment.
14519 * pa.md (negdi2): Turn into expander + anonymous pattern.
14521 * reload.c (find_reloads): Fix typos in recent change.
14523 * dwarf2out.c: Do not include ctype.h.
14525 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14527 * regclass.c (record_reg_classes): Always use may_move_cost when
14528 seeing how operand fits with various register classes.
14530 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
14532 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
14533 * toplev.c: Revert Nov 1 13:22 change.
14535 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
14537 * config/pa/pa.md (height reduction patterns): Add checks for
14538 overlapping operands to avoid semantic-destroying splits for
14539 height reduction patterns.
14541 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14543 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
14544 have been an hyphen, fixed.
14545 * configure: Rebuilt.
14547 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
14549 * config/arm/tpe.h: Add prototypes for exported functions.
14550 * config/arm/pe.c: Fix compile time warnings.
14551 * config/arm/semi.h: Fix compile time warnings.
14552 * config/arm/arm.c: Fix compile time warnings.
14553 * config/arm/arm.h: Fix compile time warnings.
14554 * config/arm/arm.md: Fix compile time warnings.
14555 * config/arm/thumb.c: Fix compile time warnings.
14556 * config/arm/thumb.h: Fix compile time warnings.
14557 * config/arm/thumb.md: Fix compile time warnings.
14559 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
14561 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
14564 * unroll.c (unroll_loop): Remove LOOP notes when loop is
14565 completely unrolled.
14567 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14569 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
14571 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
14573 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
14574 * rtl.h (rtx_equal_p): Move prototype.
14575 * rtl.c (rtx_equal_function_value_matters): Move from
14577 (rtx_equal_p): Likewise.
14578 * rtlanal.c (rtx_equal_function_value_matters): Delete.
14579 (rtx_equal_p): Likewise.
14581 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
14583 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
14584 ! HAS_INIT_SECTION.
14586 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
14588 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
14590 * pa.h (ADDR_VEC_ALIGN): Define.
14592 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
14593 notes when presented with "if (foo) break; end_of_loop" and
14594 the break sequence gets moved out of the loop.
14596 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
14597 Remove explicit zero initializations of entries within MAP.
14599 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
14601 * reg-stack.c (convert_regs_1): Handle EH edges specially.
14603 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
14605 * bitmap.h (BITMAP_XMALLOC): New macro.
14606 * flow.c (CLEAN_ALLOCA): Remove.
14607 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
14608 (life_analysis): Likewise.
14609 (update_life_info): Don't use CLEAN_ALLOCA.
14610 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
14611 (calculate_global_regs_live): Likewise.
14612 (print_rtl_with_bb): Likewise.
14613 (verify_flow_info): Likewise.
14614 * global.c (global_alloc): Likewise.
14615 (global_conflicts): Likewise.
14616 * integrate.c (save_for_inline_nocopy): Likewise.
14617 (expand_inline_function): Likewise.
14618 * jump.c (jump_optimize_1): Likewise.
14619 (duplicate_loop_exit_test): Likewise.
14620 (thread_jumps): Likewise.
14621 * loop.c (loop_optimize): Likewise.
14622 (combine_givs): Likewise.
14623 (recombine_givs): Likewise.
14624 * reorg.c (dbr_schedule): Likewise.
14625 * unroll.c (unroll_loop): Likewise.
14627 * combine.c (combine_instructions): Use xmalloc instead of alloca.
14629 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
14631 * toplev.c (rest_of_compilation): Don't optimize the CFG
14632 when rebuilding, just before dbr.
14634 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14636 * output.h (assemble_end_function, assemble_destructor,
14637 assemble_constructor, assemble_gc_entry, assemble_global,
14638 assemble_label, output_constant_pool) Constify a char*.
14640 * varasm.c (assemble_destructor, assemble_constructor,
14641 assemble_gc_entry, assemble_end_function, assemble_global,
14642 assemble_label, output_constant_pool): Likewise.
14644 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
14646 * config/arm/thumb.c (thumb_expand_prologue): Add comments
14647 explaining what is goin on in this function.
14649 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14651 * regclass.c (record_reg_classes): In matching case, recompute
14652 costs since the direction of movement is different.
14654 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14656 * resource.c (mark_target_live_regs): For unconditional branches,
14657 the resources found at the branch target should be added to the
14658 resources found so far, not intersected.
14660 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
14662 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
14664 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
14665 (sys/mman.h): Include this file only if #HAVE_MMAP.
14666 (run_compiles): Initialize `esac_fmt' with one old KR string, not
14667 with automatically concatenated ANSI strings.
14669 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
14671 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
14672 (DIV_ROUND_UP): Robustify.
14673 (ggc_recalculate_in_use_p): New function.
14674 (release_pages): Don't inline it.
14675 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
14677 (ggc_pop_context): Use ggc_recalculate_in_use_p.
14678 (clear_marks): Always save in_use_p.
14679 (sweep_pages): Use ggc_recalculate_in_use_p.
14680 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
14681 Release pages before counting statistics.
14683 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
14685 * toplev.c (rest_of_compilation): Fix thinko in this change:
14687 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
14689 (rest_of_compilation): If inside an inlined external function,
14690 pretend we are just being declared.
14692 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
14694 * flow.c (calculate_global_regs_live): Fix thinko.
14696 * integrate.c (expand_inline_function): Fix bugs in previous
14697 change from Oct 28, 1999.
14699 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
14701 * stmt.c (expand_value_return): Fix typo in this change:
14703 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14704 (expand_value_return): Correctly convert VAL when promoting function
14705 return; support RETURN_REG being a PARALLEL.
14707 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
14709 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
14711 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14713 * hard-reg-set.h (reg_names): Constify a char*.
14715 * regclass.c (reg_names): Likewise.
14717 * regs.h (reg_names): Likewise
14719 * a29k/a29k.c (reg_names): Delete declaration.
14721 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
14723 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
14724 arc_output_function_epilogue): Likewise.
14726 * elxsi/elxsi.c (reg_names): Likewise.
14728 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
14730 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
14733 * m88k/m88k.c (output_function_profiler): Likewise.
14735 * sparc/sparc.c (sparc_flat_output_function_prologue,
14736 sparc_flat_output_function_epilogue): Likewise.
14738 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
14740 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
14741 warning from -Wuninitialized and put it under -W.
14742 * function.c (uninitialized_vars_warning): Warn only when the
14743 corresponding flag is set.
14745 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
14747 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
14748 is nonzero and the single set does not have an elt, then assign
14751 * simplify-rtx.c: New file.
14752 * Makefile.in (OBJS): Add simplify-rtx.o
14753 (simplify-rtx.o): Add dependencies.
14754 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
14755 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
14756 (cse_gen_binary, simplify_unary_operation): Delete.
14757 (simplify_binary_operation, simplify_plus_minus): Likewise.
14758 (check_fold_consts, simplify_relation_operation): Likewise.
14759 (simplify_ternary_operation): Likewise.
14760 (delete_trivially_dead_insns): Simplify the contents of the
14761 REG_EQUAL note before trying to substitute it into the source
14762 of the reg-reg copy at the end of a libcall sequence.
14764 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
14765 references/callers changed.
14767 * mn10200.c (mn10200_va_arg): Force the return value into a
14770 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
14772 * cccp.c (macroexpand): Avoid out of range accesses for omitted
14775 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
14777 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
14779 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
14781 * fold-const.c (fold): Fix thinko when optimizing comparisons
14784 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
14786 * gcc.texi (Passes): Update front-end files to their current
14789 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
14791 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
14792 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
14793 (PREDICATE_CODES): Add addition_operation.
14794 * alpha-protos.h (addition_operation): Declare.
14795 (secondary_reload_class): Likewise.
14796 * alpha.c (addition_operation): New.
14797 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
14798 * alpha.md (adddi3): Turn into expander.
14799 (*lda, *adddi_2): New.
14800 (movsf, movdf patterns): Don't preference integer regs.
14801 (movsi, movdi patterns): Don't preference fp regs.
14803 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
14805 * genrecog.c (write_switch): Check for duplicate CODE cases.
14807 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
14809 * ggc-common.c: Update pre-function commentary.
14810 * ggc-page.c: Likewise.
14812 (poison_pages): Use memset directly.
14813 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
14814 (ggc_collect): Poison before sweeping.
14815 * ggc-simple.c: Update pre-function commentary.
14816 (ggc_alloc_obj): Poison non-zeroed memory.
14818 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
14820 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
14821 match format string, even on 64-bit hosts.
14822 * gcc-page.c (ggc_page_print_statistics): Likewise.
14824 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
14826 * config/i386/i386.c (ix86_cpu): Revert last patch.
14827 * config/i386/i386.h (ix86_cpu): Ditto.
14829 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
14831 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
14832 TYPE_SIZE, convert type of result to sizetype.
14834 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
14836 * flow.c (count_or_remove_death_notes): Equate NULL with the
14839 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
14840 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
14843 * i386.c (pic_label_no): Delete.
14844 (ix86_attr_length_default): Don't use single_set to peek
14847 * recog.c (peephole2_optimize): Allow recog_next_insn to index
14848 the first insn after bb->end.
14849 * i386.md (push mem peeps): Scratch is live after evaluation
14851 (cmp mem peep): Similarly.
14853 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
14855 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
14856 * function.c (pad_to_arg_alignment): Add missing braces.
14858 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14860 * alpha/alpha-protos.h (literal_section): Add prototype.
14861 (alpha_need_linkage, alpha_start_function,alpha_end_function):
14864 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
14866 (alpha_start_function, alpha_end_function, float_strings,
14867 alpha_need_linkage): Constify a char*
14869 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
14871 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
14873 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
14875 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
14877 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14879 * flow.c (debug_flow_info): Add prototype.
14881 * gcc.c (main): Likewise.
14883 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
14886 * reload1.c (failed_reload, set_reload_reg): Likewise.
14888 * mips-tfile.c (main): Likewise.
14889 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
14890 with ATTRIBUTE_NORETURN.
14892 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
14894 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
14895 DECL is not a memory ref.
14897 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
14899 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
14900 * config/i386/i386.c (ix86_cpu): Add extern attribute.
14902 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
14904 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
14905 * config/mips/elf64.h: ditto.
14907 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
14909 * expr.c (emit_push_insn): New argument alignment_pad.
14910 Update all callers. Adjust stack pointer based on alignment pad.
14911 * function.c (pad_to_arg_alignment): New argument alignment_pad.
14912 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
14913 (locate_and_pad_parm): New argument alignment_pad. Update all
14915 * expr.h (emit_push_insn): Update prototype.
14916 (locate_and_pad_parm): Update prototype.
14917 * calls.c (arg_data): Add new field alignment_pad.
14918 (initialize_argument_information): Initialize alignment_pad.
14920 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
14922 * except.c (free_eh_nesting_info): Free the info itself.
14923 * function.c (free_after_compilation): Don't free NULL.
14924 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
14925 (pre_edge_insert): Free inserted.
14926 * stmt.c (free_stmt_status): Don't free NULL.
14928 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
14930 * gcov.c (DIR_SEPARATOR): Provide default.
14931 (output_data): Add test for MS-DOS format absolute filename.
14932 (fancy_abort): Correct program name.
14933 (open_files): Open all files in binary mode.
14934 * libgcc2.c (__bb_exit_func): Likewise.
14936 * profile.c (init_branch_prob): Specify binary when opening files.
14938 * flags.h (flag_unwind_tables): New decl.
14939 * toplev.c (flag_unwind_table): New definition.
14940 (f_options): Add -funwind-tables.
14941 (decode_g_option): Clarify warning when unknown -g option is given.
14942 (rest_of_compilation): If inside an inlined external function,
14943 pretend we are just being declared.
14945 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
14946 (dwarf2out_frame_finish): Likewise.
14948 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
14950 * fold-const.c (merge_ranges): If not in0, but in1, handle
14951 upper bounds equal like subset case.
14953 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
14955 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
14956 passed in a register but moved to the stack.
14958 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
14960 * gcc.c (pass_exit_codes, greatest_status): New variables.
14961 (struct option_map): Add entry for "--pass-exit-codes".
14962 (execute): Update greatest_status if error.
14963 (display_help): Add documentation for -pass-exit-codes.
14964 (process_command): Handle -pass-exit-codes.
14965 (main): Look at pass_exit_codes and greatest_status on call to exit.
14967 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14969 * reload.c (find_reloads): Refine test for no input reload
14970 case to not includes reloads emitted after insn.
14972 * function.c (find_temp_slots_from_address): Handle sum involving
14973 a register that points to a temp slot.
14974 (update_temp_slot_address): Make recursive call if both old and
14975 new are PLUS with a common operand.
14976 * calls.c (expand_call): Mark temp slot for result as having
14979 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
14981 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
14982 component as well as "BINUTILS".
14984 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
14985 * integrate.c (copy_rtx_and_substitute): Likewise.
14986 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
14987 All callers changed.
14988 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
14990 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
14991 gdb extensions, write size of type; also be more consistent
14992 in using references when this is a subtype.
14994 * pa.md (extv, extzv, insv): Use define_expand to reject constant
14995 that is out of range.
14997 * loop.c (unknown_constant_address_altered): New variable.
14998 (prescan_loop): Initialize it.
14999 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15000 (invariant_p, case MEM): Remove handling for volatile and readonly;
15001 check new variable if readonly.
15002 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15004 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15005 (addr_affects_sp_p): Removed from note_mem_written and only
15006 define #ifdef AUTO_INC_DEC.
15008 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15010 * regclass.c (record_reg_classes): Properly handle register move
15013 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15014 Don't think valid if both operands are invalid.
15015 (struct constant_descriptor): New field RTL.
15016 (mark_const_hash_entry): Mark it.
15017 (record_constant{,_rtx}): Initialize it.
15018 (output_constant_def): Allocate RTL in permanent obstack and
15020 ({record,compare}_constant_1): Modes must match for
15021 CONSTRUCTOR of ARRAY_TYPE.
15023 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15024 * output.h (initializer_constant_valid_p): Move decl to here.
15025 * c-common.c (initializer_constant_valid_p): Delete function from here.
15026 * varasm.c (initializer_constant_valid_p): Move function to here.
15028 * tree.h (STRIP_SIGN_NOPS): New macro.
15029 * fold-const.c (optimize_minmax_comparison): New function.
15030 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15031 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15032 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15033 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15034 widening conversions.
15035 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15036 to look at size of mode, not precision of type; also add missing cases.
15037 (optimize_bit_field_compare, decode_field_reference): Don't try to
15038 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15040 * dwarf2out.c (ctype.h): Include.
15041 (dwarf2out_set_demangle_name_func): New function.
15042 (size_of_line_info): Deleted.
15043 (output_line_info): Compute size of line info table from difference
15045 (base_type_die, add_name_attribute): Call demangle function, if any.
15046 (field_byte_offset): Use bits per word for variable length fields.
15047 (gen_array_type_die): Add array name.
15048 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15049 (dwarf2out_add_library_unit_info): New function.
15051 * explow.c (set_stack_check_libfunc): New function.
15052 (stack_check_libfunc): New static variable.
15053 (probe_stack_range): Allow front-end to set up a libfunc to call.
15055 * combine.c (simplify_comparison): When making comparison in wider
15056 mode, check for having commuted an AND and a SUBREG.
15057 (contains_muldiv): New function.
15058 (try_combine): Call it when dividing a PARALLEL.
15059 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15060 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15062 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15063 use one of the CLOBBERs instead.
15064 (if_then_else_cond): If comparing against zero, just return thing
15067 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15068 Don't generate shifts and subtract if have conditional arithmetic.
15070 * rtl.h (delete_barrier): New declaration.
15071 * jump.c (jump_optimize): Set up to handle conditional call.
15072 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15073 (delete_barrier): New function.
15075 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15077 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15079 * tree.c (build_type_attribute_variant): Push to obstack of
15080 ttype around type_hash_canon call.
15082 * expr.c (placeholder_list): Move decl to file scope.
15083 (expand_expr): Don't force access to volatile just because its
15085 If ignoring reference operations, just expand the operands.
15086 (expand_expr, case COMPONENT_REF): Propagate
15087 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15088 Refine test for using bitfield operations vs pointer punning.
15089 (expand_expr, case CONVERT_EXPR): If converting to
15090 BLKmode UNION_TYPE from BLKmode, just return inner object.
15091 Use proper mode in store_field call.
15092 Properly set sizes of object to store and total size in store_field
15093 call for convert to union.
15094 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15095 memory (like for ADDR_EXPR). Also, don't put constant in register if
15096 we'll want it in memory.
15097 (readonly_fields_p): New function.
15098 (expand_expr, case INDIRECT_REF): Call it if LHS.
15099 (expand_assignment): Handle a RESULT_DECL where
15100 DECL_RTL is a PARALLEL.
15101 (do_jump, case WITH_RECORD_EXPR): New case.
15102 (get_inner_reference): Always go inside a CONVERT_EXPR
15103 and NOP_EXPR if both modes are the same.
15104 (store_field): Use bitfield operations if size of bitsize is not same
15105 as size of RHS's type.
15106 Check for bitpos not a multiple of alignment in BLKmode case.
15107 Do block move in largest possible alignment.
15108 (store_constructor): Set BITSIZE to -1 for variable size and properly
15109 in case of array of BLKmode.
15110 (expand_expr_unaligned): New function.
15111 (do_compare_and_jump): Call it.
15113 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15114 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15115 does not include 'o'.
15117 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15118 both SET_DEST and SET_SRC reference a virtual register.
15119 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15121 * integrate.c (expand_inline_function): Handle case of setting
15122 virtual stack vars register (from built in setjmp); when parameter
15123 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15124 (subst_constant): Add new parm, MEMONLY.
15125 (expand_inline_function, integrate_parm_decls): Pass new parm.
15126 (integrate_decl_tree): Likewise.
15127 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15128 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15129 (copy_rtx_and_substitute, case SET): Add explicit calls to
15130 copy_rtx_and_substitute for both sides.
15132 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15134 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15135 within INDEX_TYPE, instead of before.
15136 (fixup_gotos): Use f->target_rtl, not the next insn,
15137 since latter may be from a later fixup.
15138 (expand_value_return): Correctly convert VAL when promoting function
15139 return; support RETURN_REG being a PARALLEL.
15140 (expand_return): When checking for result in regs and having
15141 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15143 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15145 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15146 last_nominal_fname): Mark const.
15147 (struct include_hash: name, nshort, control_macro): Mark
15149 (struct macrodef: symnam): Mark const.
15150 (struct if_stack: fname): Mark const.
15151 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15152 (IStable): New character-syntax array which encompasses all
15153 the old is_foo arrays.
15154 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15155 is_space): New macros for interrogating IStable.
15156 (check_macro_name): Kill last argument. All callers changed.
15158 * cppinit.c (initialize_char_syntax): Delete.
15159 (is_idchar, is_idstart, is_hor_space, is_space,
15160 trigraph_table): Delete.
15161 (IStable): New. Initialize with clever macros to avoid
15162 information duplication.
15163 (builtin_array): Table of builtins to get rid of explicit list
15164 in initialize_builtins.
15165 (initialize_builtins): Use builtins_array.
15166 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15167 opts->dollars_in_ident.
15169 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15171 (cpp_parse_expr): Avoid 'format string is not constant'
15172 warning. Use ISGRAPH to identify printable chars.
15173 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15175 (read_and_prescan): Map trigraphs to chars with open-coded
15176 if-else-if-... sequence, not a lookup table.
15177 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15179 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15180 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15181 (check_macro_name): Remove ability to report an invalid
15182 assertion name, which is never used.
15183 (do_line): Constify a couple of char *'s.
15184 * cppmain.c (main): Call cpp_cleanup before returning.
15186 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15188 * ggc.h (struct ggc_statistics): New type.
15189 (ggc_get_size): New function.
15190 (ggc_print_statistics): Likewise.
15191 * ggc-common.c (ggc_stats): New variable.
15192 (ggc_mark_rtx_children): Keep statistics.
15193 (ggc_mark_tree_children): Likewise.
15194 (ggc_print_statistics): New function.
15195 * ggc-page.c (struct globals): Add bytes_mapped field.
15196 (alloc_anon): Update it.
15197 (release_pages): Likewise.
15198 (ggc_get_size): New function.
15199 (ggc_page_print_statistics): New function.
15200 * ggc-simple.c (ggc_get_size): New function.
15202 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15204 * flow.c (propagate_block): When the last reference to a label
15205 before an ADDR_VEC is deleted because the reference is a dead
15206 store, delete the ADDR_VEC.
15208 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15210 * resource.c (find_free_register): Don't use the frame pointer
15211 if frame_pointer_needed.
15213 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15215 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15216 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15218 * config/i960/i960.c (i960_va_start): New locals base, num.
15219 Use INDIRECT_REF instead of ARRAY_REF on valist.
15220 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15222 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15224 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15226 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15228 * tree.def (PLACEHOLDER_EXPR): Update comments.
15230 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15232 * c-common.c (check_format_info): Avoid non-literal format string
15233 warnings when `first_arg_num' is zero.
15235 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15237 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15239 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15241 * arm.md (casesi_insn): Add a clobber of the condition code
15244 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15246 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15247 used by both cc1 and cc1plus.
15249 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15251 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15252 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15253 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15254 to the value 32 if it has not already been defined.
15255 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15256 Override definition in arm.h with a value of 8.
15258 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15260 * c-pragma.c (push_alignment): Don't check the return value
15263 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15265 * sparc.h (ADJUST_COST): Fix thinko.
15267 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15269 * cccp.c (rescan): Fixed obp pointer handling around call to
15270 check_expand subroutine.
15272 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15274 * gcse.c (delete_null_pointer_checks): Only record non-null info
15275 for pseudos when examining stores.
15277 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15278 splitters for these patterns. Use "#" for output templates.
15279 (addsi3_carryin_shift): New pattern.
15281 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15283 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15284 of the function return register into a plain REG until
15285 after function inlining is done.
15287 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15289 * jump.c (jump_optimize_1): If we did cross-jumping, and
15290 the data will matter, rebuild the CFG.
15291 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15292 not optimizing. Don't run shorten_branches.
15293 * toplev.c (rest_of_compilation): Run shorten_branches after
15296 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15298 * rtl.h (note_stores): Add additional paramter.
15299 * rtlanal.c (reg_set_p_1): Take additional paramter.
15300 (reg_set_last_1): Likewise.
15301 (reg_set_p): Adjust call to note_stores.
15302 (reg_set_last): Likewise.
15303 (note_stores): Pass data parameter to worker function.
15304 * alias.c (record_set): Take additional parameter.
15305 (init_alias_analysis): Pass it.
15306 * caller-save.c (mark_set_regs): Take additional parameter.
15307 (save_call_clobbered_regs): Pass NULL to note_stores.
15308 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15310 (record_dead_and_set_regs_1): Likewise.
15311 (reg_dead_at_p_1): Likewise.
15312 (combine_instructions): Adjust calls to note_stores.
15313 (try_combine): Likewise.
15314 (record_dead_insn): Remove.
15315 (record_dead_and_set_regs): Adjust calls to note_stores.
15316 (reg_dead_at_p): Likewise.
15317 * cse.c (invalidate_skipped_set): Take additional parameter.
15318 (cse_check_loop_start): Likewise.
15319 (cse_check_loop_start_value): Remove.
15320 (cse_set_around_loop): Adjust calls to note_stores.
15321 * flow.c (notice_stack_pointer_modification): Take additional
15322 parameter. Remove duplicate declaration.
15323 (record_volatile_insns): Adjust calls to note_stores.
15324 * gcse.c (record_set_info): Take additional parameter.
15325 (record_last_set_info): Likewise.
15326 (invalidate_nonnull_info): Likewise.
15327 (record_set_insn): Remove.
15328 (compute_sets): Adjust calls to note_stores.
15329 (last_set_insn): Remove.
15330 (compute_hash_table): Adjust calls to note_stores.
15331 (insert_insn_end_bb): Likewise.
15332 (delete_null_pointer_checks): Likewise.
15333 * global.c (mark_reg_store): Take additional parameter.
15334 (mark_reg_clobber): Likewise.
15335 (reg_becomes_live): Likewise.
15336 (global_conflicts): Adjust calls to note_stores.
15337 (build_insn_chain): Likewise.
15338 * integrate.c (note_modified_parmregs): Take additional parameter.
15339 (mark_stores): Likewise. Make it static.
15340 (save_for_inline_nocopy): Adjust calls to note_stores.
15341 (try_constants): Likewise.
15342 * integrate.h (mark_stores): Remove declaration.
15343 * jump.c (mark_modified_reg): Take additional parameter.
15344 (thread_jumps): Adjust calls to note_stores.
15345 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15347 (no_equiv): Likewise.
15348 (reg_is_set): Likewise.
15349 (validate_equiv_mem): Adjust calls to note_stores.
15350 (update_equiv_regs): Likewise.
15351 (block_alloc): Likewise.
15352 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15353 (note_addr_stored): Take additional parameter.
15354 (note_set_pseudo_multiple_uses): Likewise.
15355 (record_initial): Likewise.
15356 (prescan_loop): Adjust calls to note_stores.
15357 (strength_reduce): Likewise.
15358 (check_dbra_loop): Likewise.
15359 * regmove.c (flags_set_1): Take additional paramter.
15360 (mark_flags_life_zones): Adjust calls to note_stores.
15361 * reload1.c (mark_not_eliminable): Take additional parameter.
15362 (forget_old_reloads_1): Likewise.
15363 (reload_cse_invalidate_rtx): Likewise.
15364 (reload_cse_check_clobber): Likewise.
15365 (reload_combine_note_store): Likewise.
15366 (move2add_note_store): Likewise.
15367 (reload): Adjust calls to note_stores.
15368 (reload_as_needed): Likewise.
15369 (emit_reload_insns): Likewise.
15370 (reload_cse_regs_1): Likewise.
15371 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
15372 (reload_combine): Adjust calls to note_stores.
15373 * resource.c (update_live_status): Take additional paramter.
15374 (mark_target_live_regs): Adjust calls to note_stores.
15375 * stupid.c (find_clobbered_regs): Take additional parameter.
15376 (stupid_life_analysis): Adjust calls to note_stores.
15378 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
15380 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
15383 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
15386 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
15387 of the variable arm_structure_size_boundary.
15389 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15391 * alias.c (init_alias_analysis): Allocate reg_known_value and
15392 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
15394 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
15395 * cse.c (cse_main): Call end_alias_analysis.
15396 * haifa-sched.c (schedule_insns): Likewise.
15397 * local-alloc. (update_equiv_regs): Likewise.
15398 * reload1.c (reload_cse_regs): Likewise.
15400 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15402 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
15403 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
15404 mapping from MASK_FPU.
15406 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
15408 * sparc.md (call): Don't bound structure return size to 0xfff.
15410 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
15412 * resource.c (mark_target_live_regs): Check that the target
15413 insn wasn't created after compute_bb_for_insn.
15415 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
15417 * ggc-page.c (poison_pages): Don't be overzealous.
15419 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
15421 * alias.c: Update comments for ADDRESS.
15422 (nonlocal_reference_p): Look inside the ADDRESS to determine if
15423 it is a local memory reference.
15425 * c-typeck.c (build_function_call): Check that the built-in
15426 function is of class BUILT_IN_NORMAL before trying to recongize
15427 it as BUILT_IN_ABS.
15428 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
15429 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
15431 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
15433 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
15435 (pre_gcse): Likewise.
15436 (hoist_expr_reaches_here_p): Likewise.
15437 (hoist_code): Likewise.
15438 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
15440 (pre_expr_reaches_here_p_work): ... here.
15441 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
15443 (expr_reaches_here_p_work): ... here.
15445 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
15447 * resource.c (find_basic_block): Delete.
15448 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
15449 (init_resource_info): Call compute_bb_for_insn.
15451 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
15453 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
15454 with already adjacent blocks, but no fallthru.
15455 (merge_blocks_move_successor_nojumps): Simplify.
15456 (debug_flow_info): New.
15458 * toplev.c (rest_of_compilation): Open jump1 dump file before
15459 jump and close after, as opposed to just using dump_rtl.
15461 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15463 * reload.h (earlyclobber_operand_p): Declare.
15464 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
15465 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15466 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
15467 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
15469 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15470 Richard Henderson <rth@cygnus.com>
15472 * emit-rtl.c (emit_block_insn_before): New.
15473 (emit_block_insn_after): New.
15474 * basic-block.h: Declare them.
15476 * bitmap.h: Protect from multiple inclusion.
15478 * recog.c (scratch_operand): Handle VOIDmode correctly.
15480 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
15482 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
15483 * function.c (assign_parms): Likewise.
15484 * global.c (global_conflicts): Clarify STACK_REGS commentary.
15486 * reg-stack.c (max_uid): Remove.
15487 (blocks, block_begin, block_end, block_drops_in): Remove.
15488 (block_stack_in, block_out_reg_set, block_number): Remove.
15489 (struct block_info_def, BLOCK_INFO): New.
15490 (enum emit_where): New.
15491 (current_block): New.
15492 (BLOCK_NUM): Remove.
15493 (mark_regs_pat, record_label_references): Remove.
15494 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
15496 (goto_block_pat, print_blocks, dump_stack_info): Remove.
15497 (reg_to_stack): Simplified test for existance of fp code. Use
15498 flow.c code. Call shorten_branches after cross-jump opt.
15499 (check_asm_stack_operands): Renamed from record_asm_reg_life.
15500 Return false if the asm doesn't use stack regs. Don't do life
15501 analysis on the asm.
15502 (emit_pop_insn): Replace function pointer arg `when' with
15503 enum `where'. Update all callers.
15504 (change_stack): Likewise. Update basic block end.
15505 (emit_swap_insn): Use current_block->head to limit reverse search
15506 for start of block. Use emit_block_insn_after.
15507 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
15508 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
15509 structure assignment instead of bcopy.
15510 (print_stack): New.
15511 (convert_regs_entry, convert_regs_exit): New.
15512 (convert_regs_1, convert_regs_2): Split out from convert_regs.
15513 Work on basic blocks and the CFG.
15514 (convert_regs): Use them.
15516 * i386.c (output_fix_trunc): Remove code for DImode input operand
15517 not at top-of-stack.
15518 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
15520 (fix_truncdi_1): Allow any mode scratch.
15522 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
15524 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
15525 * linux.h, netbsd.h, vms.h: Not here.
15527 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
15529 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
15530 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
15531 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
15532 CONDITIONAL_REGISTER_USEAGE): Use them.
15533 * config/mips/mips.c (mips_move_1word,mips_move_2words,
15534 gen_conditional_branch,override_options) : Use them.
15535 * config/mips/mips.md : Use them.
15537 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
15539 * i386.md (zero_extendqihi2): Use SImode register name with andl.
15541 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
15543 * integrate.c (function_cannot_inline_p): Don't allow inlining
15546 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15548 * c-parse.in (cast_expr): Constify.
15550 * cccp.c (special_symbol): Likewise.
15552 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
15554 * dwarf2out.c (base_type_die): Likewise.
15556 * global.c (allocno_compare): Likewise.
15558 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
15560 * regclass.c (fix_register): Likewise.
15562 * rtl.h (fix_register): Likewise.
15564 * stupid.c (stupid_reg_compare): Likewise.
15566 * toplev.c (decode_f_option): Likewise.
15568 * tree.c (build_complex_type): Likewise.
15570 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
15572 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
15574 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15576 * reload.c (find_reloads): Compute mode and nregs fields of all
15578 * reload1.c (calculate_needs_all_insns): Simplify a bit.
15579 (calculate_needs): Use precomputed mode/nregs values.
15580 (allocate_reload_reg): Likewise.
15582 (failed_reload, set_reload_reg): ... new functions.
15583 (choose_reload_regs_init): New function, mostly broken out from...
15584 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
15585 Also lose one #if 0 block.
15587 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
15589 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
15592 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
15594 * tree.h (BLOCK_TYPE_TAGS): Remove.
15595 (BLOCK_END_NOTE): Likewise.
15596 (BLOCK_LIVE_RANGE_FLAG): Likewise.
15597 (BLOCK_LIVE_RANGE_START): Likewise.
15598 (BLOCK_LIVE_RANGE_END): Likewise.
15599 (tree_block): Remove live_range_flag, live_range_var_flag, and
15600 type_tags. Remove end_note, live_range_start, and live_range_end.
15601 (remember_end_note): Remove prototype.
15602 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
15603 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
15605 * ggc-common.c (ggc_mark_tree_children): Don't mark
15606 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
15607 * integrate.c (adjust_copied_decl_tree): Remove.
15608 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
15609 * stmt.c (last_block_end_note): Remove.
15610 (init_stmt): Don't add a GC root for it.
15611 (expand_fixup): Don't set it.
15612 (remember_end_note): Remove.
15613 (expand_end_bindings): Don't set last_block_end_note.
15615 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15617 * reload1.c (reload_reg_free_for_value_p): Show
15618 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
15621 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
15623 * expmed.c (extract_bit_field): Allow for the case of non-integer
15624 objects that are smaller than a word (like SFmode on a 64-bit
15627 * loop.c (basic_induction_var): A non-integer variable which is
15628 being set by a paradoxical subreg is probably not a biv.
15630 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15632 * prefix.c (translate_name) Check for empty prefix string.
15634 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
15636 * Makefile.in (CPP_CROSS_NAME): New variable.
15637 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
15639 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
15640 names of the files to be uninstalled.
15642 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
15644 * collect2.c (IS_DIR_SEPARATOR): Define.
15645 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
15647 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
15650 * haifa-sched.c (add_dependence): Update the true dependency
15651 cache the first time we add a true dependence to the LOG_LINKS chain.
15653 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
15655 * fold-const.c (fold): Fix comment.
15657 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15659 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
15660 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
15661 dbxout_start_new_source_file, dbxout_source_file,
15662 dbxout_source_line, dbxout_finish, dbxout_type_fields,
15663 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
15665 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
15666 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
15667 (dbxout_block): Initialize variable `blocknum'.
15669 * dbxout.h (dbxout_init, dbxout_finish,
15670 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
15671 dbxout_args, dbxout_source_line): Constify a char*.
15673 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
15674 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
15675 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
15676 low_pc_attribute, high_pc_attribute, body_begin_attribute,
15677 body_end_attribute, comp_dir_attribute, sf_names_attribute,
15678 src_info_attribute, mac_info_attribute, producer_attribute,
15679 lookup_filename, generate_macinfo_entry, fundamental_type_code,
15680 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
15681 dwarfout_undef): Constify a char*.
15682 (add_incomplete_type, retry_incomplete_types): Add prototypes.
15684 * dwarfout.h (dwarfout_define, dwarfout_undef,
15685 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
15687 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
15689 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
15690 (MULTILIB_ISA_DEFAULT): New.
15691 (MULTILIB_DEFAULTS): Use it.
15692 * config/mips/mips.c (): Remove the now unnecessary definition
15693 of MIPS_ISA_DEFAULT.
15694 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
15695 unnecessary definition.
15697 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
15699 * arm.md (pic_load_addr): Add constraints to operand 1.
15701 1999-10-25 Bruce Korb <autogen@linuxbox.com>
15703 * fixinc/genfixes: Provide a means for specifying -D options to
15706 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
15708 * arm.c (arm_override_options): Correct initialization of
15709 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
15710 arm_is_strong, and arm_is_6_or_7.
15712 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
15713 (note_set_pseudo_multiple_uses): New function.
15714 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
15715 if a pseudo set in the loop exit is used elsewhere.
15717 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
15719 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
15721 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
15723 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
15724 a single load-address pattern.
15726 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
15728 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
15729 depending on whether or not line-number notes are present.
15731 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15733 * cccp.c (progname, file_buf, default_include, include_file,
15734 macrodef, definition, hashval, wchar_type, user_label_prefix,
15735 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
15736 expand_to_temp_buffer, is_system_include, base_name,
15737 absolute_filename, read_name_map, open_include_file,
15738 record_control_macro, check_precompiled, check_preconditions,
15739 pcfinclude, pass_thru_directive, create_definition,
15740 check_macro_name, comp_def_part, collect_expansion,
15741 check_assertion, read_token_list, assertion_install,
15742 assertion_lookup, eval_if_expression, conditional_skip,
15743 validate_else, skip_quoted_string, quote_string, macarg1,
15744 error_from_errno, install, lookup, hashf, dump_defn_1,
15745 perror_with_name, pfatal_with_name, main, trigraph_pcp,
15746 check_white_space, rescan, handle_directive, monthnames,
15747 special_symbol, do_include, remap_include_file, write_output,
15748 arglist, do_assert, do_unassert, do_line, do_error, do_once,
15749 do_ident, do_sccs, do_xifdef, skip_if_group,
15750 output_line_directive, macroexpand, macarg, change_newlines,
15751 initialize_builtins, make_definition): Constify a char*.
15753 * pcp.h (stringdef): Likewise.
15755 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
15757 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
15760 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
15761 Richard Henderson <rth@cygnus.com>
15763 * alias.c: Include ggc.h.
15764 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
15765 (record_set): Verify enough room in reg_base_value.
15766 (init_alias_analysis): Allocate reg_base_value with xcalloc.
15767 Register it as a GC root.
15768 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
15769 * Makefile.in (alias.o): Depend on ggc.h.
15771 * unroll.c (unroll_loop): Verify the insn before a barrier
15772 is a JUMP_INSN before checking JUMP_LABEL.
15774 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15776 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
15777 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
15778 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
15779 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
15780 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
15781 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
15783 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15785 * output.h (ctors_section, dtors_section, bss_section): Prototype.
15787 * alpha/alpha-interix.h (text_section): Delete prototype.
15788 * alpha/elf.h (text_section): Likewise.
15789 * arm/linux-elf.h (text_section): Likewise.
15790 * arm/linux-telf.h (text_section): Likewise.
15791 * c4x/c4x.h (text_section): Likewise.
15792 * dsp16xx/dsp16xx.h (bss_section): Likewise.
15793 * elfos.h (text_section): Likewise.
15794 * i386/aix386ng.h (text_section): Likewise.
15795 * i386/i386-interix.h (text_section): Likewise.
15796 * i386/sco5.h (text_section): Likewise.
15797 * i386/svr3gas.h (text_section): Likewise.
15798 * nextstep.h (text_section): Likewise.
15799 * psos.h (text_section): Likewise.
15800 * ptx4.h (text_section): Likewise.
15801 * svr3.h (text_section): Likewise.
15802 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
15804 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15806 * final.c (peephole): Delete prototype.
15808 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
15809 (pre_insert_copies): Remove unused variable `bb'.
15811 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
15814 * output.h (peephole): Add prototype.
15816 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
15818 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
15821 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
15823 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
15824 for inlined declarations.
15826 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
15828 * arm.c (logical_binary_operator): New fucntion.
15829 * arm.h (logical_binary_operator): Declare it.
15830 (PREDICATE_CODES): Handle logical_binary_operator.
15831 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
15832 output constraints. Add appropriate splitters.
15833 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
15834 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
15835 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
15837 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15839 * genoutput.c (struct operand_data): New elt eliminable.
15840 (output_operand_data): Write it.
15841 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
15842 (compare_operands): Take it into account.
15843 * recog.h (struct insn_operand_data): New elt eliminable.
15844 * reload1.c (check_eliminable_occurrences, elimination_effects): New
15846 (old_asm_operands_vec, new_asm_operands_vec): Delete.
15847 (eliminate_regs): Move code that detects changes to elimination
15848 target regs into new function elimination_effects.
15849 Delete one #if 0 block.
15850 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
15851 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
15852 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
15853 Only call eliminate_regs for real operands of the insn, not for parts
15854 of its structure or parts matched by things like match_operator.
15855 Use elimination_effects and check_eliminable_occurrences. Use
15856 copy_insn to duplicate the pattern when not in the final pass.
15858 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
15860 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
15863 1999-10-22 Bruce Korb <autogen@linuxbox.com>
15865 * fixinc/README: document the "mach" machine matching test
15866 * fixinc/fixfixes.c: Implement the #else/#endif label fix
15867 * fixinc/fixtests.c: Implement the #else/#endif label test
15868 * fixinc/inclhack.def: utilize these tests and fixes
15869 * fixinc/inclhack.sh: regen
15870 * fixinc/fixincl.x: regen
15871 * fixinc/fixincl.sh: regen
15873 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
15875 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
15878 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
15880 * gcc.1: Document exit codes.
15882 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15884 * calls.c: Include tm_p.h later, so everything we need is defined.
15885 * expr.c: Likewise.
15886 * function.c: Likewise.
15888 * except.c: Include tm_p.h.
15890 * sparc.c: Likewise.
15891 (dwarf2out_cfi_label): Don't prototype.
15892 (check_return_regs, epilogue_renumber,
15893 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
15894 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
15895 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
15896 ultra_schedule_insn): Add static prototype.
15897 (data_segment_operand, text_segment_operand): Call itself with the
15898 proper number of arguments.
15899 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
15901 * sparc.h: Move all declarations to sparc-protos.h.
15902 (SELECT_RTX_SECTION): Pass a missing MODE argument to
15905 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
15907 * config/svr4.h (text_section, ctors_section, dtors_section): Add
15909 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
15910 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
15911 ASM_OUTPUT_ASCII): Constify a char*.
15913 * sparc-protos.h: New file for sparc prototypes.
15915 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15917 * function.c (record_insns, contains): Always declare and define.
15918 (record_insns): Mark with ATTRIBUTE_UNUSED.
15920 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15922 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
15923 to .section when outputting a .bss section to deal with multiple
15924 .bss input sections (as happens with -fdata-sections)
15925 Also output %progbits, not @progbits so the assembler doesn't treat as
15927 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
15929 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
15930 thumb parts even when building with non-thumb CPUs, by forcing
15933 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
15935 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
15936 (movdf_const_intreg_sp64): Similarly.
15938 * local-alloc.c (update_equiv_regs): Check the correct insn
15939 for pre-existing REG_EQUIV notes.
15941 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
15943 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
15944 block reached by a branch if we're not going to actually process
15947 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
15949 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
15950 a local extern function declaration.
15952 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
15954 * i386.c (ix86_expand_prologue): Properly wrap USE around
15955 reg for CALL_INSN_FUNCTION_USAGE.
15957 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
15959 * config/mips/mips.md (movdf_internal1a): Allow floating-point
15960 move between GP_REGs.
15962 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
15964 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
15965 the mode size when finding out if an offset is legal.
15967 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
15969 * basic-block.h (PROP_*): Move constants from ...
15970 * flow.c: ... here.
15971 (compute_bb_for_insn): Free the array before reallocating.
15972 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
15973 (allocate_reg_life_data): Reset all reg variables collected by
15975 (get_block_head_tail): Don't convert from bb to block.
15976 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
15977 (find_insn_reg_weight): Take block not bb.
15978 (schedule_block): Don't set block num for moved insns.
15979 (schedule_region): Don't update_life_info or find_insn_reg_weight.
15980 (schedule_insns): Do it here instead.
15981 * combine.c (combine_instructions): Invoke compute_bb_for_insn
15982 before update_life_info.
15983 * recog.c (split_all_insns, peephole2_optimize): Update for
15984 new arg to update_life_info.
15985 * rtlanal.c (remove_note): Cope with NULL note.
15986 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
15989 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
15991 * jump.c (jump_optimize_1): More accurately detect casesi insns.
15993 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
15994 block records so that merge_blocks_nomove will clean up correctly.
15995 (split_edge): Handle casesi insns.
15997 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
15999 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16001 * pa.md (call, call_value): Do not emit a blockage after restoring
16004 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16006 * c-typeck.c (c_expand_asm_operands): Fix typo.
16008 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16010 * arm.c (fpu_rhs_operand): Verify modes.
16011 (fpu_add_operand): Likewise.
16012 (di_operand): Likewise.
16013 (soft_df_operand): Likewise.
16015 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16017 * arm.c (arm_return_in_memory): APCS rules state that the elements
16018 of a structure returned in a register must be 'integer-like'.
16020 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16022 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16023 in the source tree when the generated targets are out of date
16024 * fixinc/genfixes: Alter it to run individual fixes for make.
16025 * fixinc/README: rewrite
16026 * fixinc/inclhack.def: moved initial comments to README
16028 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16030 * toplev.c (main): Do not generate an error message if an
16031 unrecognised command line switch is recognisable by another
16032 language. If extra_warnings are enabled, then generate a
16033 warning message instead.
16035 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16037 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16038 (insert_pack_attributes): Delete prototype.
16040 * c-pragma.c (default_alignment): New static variable.
16041 (push_alignment): Initialize to current effective alignment.
16042 (pop_alignment): Use to set new alignment.
16043 (insert_pack_attributes): Delete function.
16044 (handle_pragma_token): Set default_alignment as well each time
16045 a #pragma pack(<n>) is encountered.
16047 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16049 * reg-stack.c (stack_result): Aggregates are not returned in
16052 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16054 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16056 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16058 * basic-block.h (set_block_num): Declare.
16059 * flow.c (update_life_info): Don't call compute_bb_for_insn
16060 or free_basic_block_vars.
16061 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16062 (insn_orig_block): Remove.
16063 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16064 (schedule_block): Keep BLOCK_NUM up-to-date.
16065 (schedule_insns): Use compute_bb_for_insn.
16066 * recog.c (split_all_insns): Likewise.
16067 (peephole2_optimize): Likewise.
16069 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16071 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16072 if the pic register is used.
16074 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16076 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16077 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16078 if that tests TREE_PERMANENT.
16080 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16082 * cse.c (invalidate_for_call): Do not remove memory references from
16083 the table here. It's handled elsewhere.
16085 * haifa-sched.c (add_dependence): Protect references to the
16086 true dependency cache with #ifdef INSN_SCHEDULING.
16087 (remove_dependence): Similarly.
16089 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16090 to the cfg code that this is a return instruction.
16091 * mn10300.md (return_internal): Similarly.
16093 * combine.c (get_last_value): If the last set of a register
16094 is after subst_low_cuid, then we can not use it to determine
16095 the register's last value.
16097 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16099 * Makefile.in: Back out previous change.
16101 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16103 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16105 * haifa-sched.c (add_dependence): Only check/update the cache
16107 (remove_dependence): Likewise.
16108 (schedule_insns): Only create the true_dependency_cache if the
16109 average number of instructions in a basic block is very large.
16111 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16113 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16114 (ggc-simple.o): Likewise.
16115 (ggc-page.o): Likewise.
16117 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16119 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16120 Prototype for exported functions.
16121 (pre_lcm, pre_rev_lcm): Remove prototypes.
16122 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16123 (compute_available): Move to lcm.c, and change parameter order.
16124 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16125 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16126 (gcse_main): No longer call compute_preds_succs. Rebuild the
16127 set table after reach pre pass.
16128 (pre_insert_map, pre_delete_map, edge_list): New.
16129 (alloc_pre_mem): Allocate edge vectors.
16130 (free_pre_mem): Delete edge vectors.
16131 (compute_pre_data): Call new edge based lcm routines.
16132 (process_insert_insn): New function.
16133 (insert_insn_end_bb): Use it.
16134 (pre_edge_insert): New function.
16135 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16137 (pre_insert_copies): Revamp using new edge based lcm outputs.
16138 (pre_delete): Likewise.
16139 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16141 (compute_code_hoist_vbeinout): New new edge based routines.
16142 * lcm.c: Remove all the old LCM functions. Replace with new ones
16143 that work with the new cfg datastructures and work with edges
16146 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16148 * reload.h (struct reload): Add new fields "mode" and "nregs".
16149 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16150 to reference the "mode" and "nregs" field within struct reload.
16152 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16154 * haifa-sched.c (true_dependency_cache): New.
16155 (add_dependence): Use the true dependency cache to avoid expensive
16156 walks down the LOG_LINKS dependency list. Add entries to the
16157 cache as necessary.
16158 (remove_dependence): Remove entries from the true dependency cache
16160 (schedule_insns): Allocate and initialize and free the true
16163 * haifa-sched.c (schedule_insns): Do not remove inter-block
16164 dependencies anymore.
16166 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16168 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16169 * i386/t-winnt: Likewise.
16171 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16173 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16175 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16177 * Makefile.in (LANGUAGES): Omit "proto".
16178 (clean): Remove stale comment about removing unprotoize.c.
16180 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16182 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16183 using arithmetic on void pointers.
16185 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16187 * haifa-sched.c (compute_block_forward_dependencies): Only check
16188 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16190 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16192 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16193 (expr_equiv_p): Reject memories with different alias sets.
16195 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16197 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16198 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16199 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16200 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16201 (lang_init): Set default for flag_bounds_check if still "unspecified".
16203 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16205 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16207 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16209 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16212 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16214 * config/c4x/c4x.md (*db_noclobber,
16215 *decrement_and_branch_until_zero_noclobber): New patterns and
16216 associated splitters.
16218 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16220 * config/c4x/c4x.md (parallel instruction patterns): Rework
16221 constraints to keep reload happy.
16223 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16225 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16226 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16227 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16228 Add new patterns and associated post-reload splitters.
16230 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16232 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16234 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16236 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16238 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16240 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16242 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16245 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16247 * pa.c (move_operand): Rely on memory_address_p to determine the
16248 validity of non-indexed memory addresses.
16249 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16250 operand in DFmode and SFmode when generating PA2.0 code.
16252 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16254 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16256 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16258 * mips.c (function_prologue): Fix argument types.
16259 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16260 (casesi_internal): Write to the scratch register.
16262 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16264 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16266 (parse_charconst): Delete unnecessary cast when calling
16268 (cpplib.h): Kill prototype of cpp_parse_escape.
16270 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16272 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16273 * unroll.c (unroll_loop): Cast return value of alloca.
16274 * i370/i370.c: Include function.h and toplev.h.
16275 (i370_label_scan): Remove c++ commented abort.
16276 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16277 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16278 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16279 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16281 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16283 * config/t-freebsd: Do not override USER_H.
16284 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16286 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16287 Mumit Khan <khan@xraylith.wisc.edu>
16289 * c-parse.in (component_decl): Support anonymous struct/union.
16291 * c-parse.y: Regenerate.
16292 * c-parse.c: Likewise.
16293 * objc/objc-parse.y: Likewise.
16294 * objc/objc-parse.c: Likewise.
16295 * c-decl.c (finish_struct): Don't sort the fields.
16296 (field_decl_cmp): Delete unused function.
16298 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16300 * sparc.md (movsf_const_intreg): Revert last constraint change.
16301 (movdf_const_intreg_sp32): Likewise.
16303 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16305 * cse.c: Include hashtab.h instead of splay-tree.h
16306 (struct cse_reg_info): No longer use variant union. Add new
16307 field "regno". All references changed to avoid union.
16308 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16309 (free_cse_reg_info): Remove.
16310 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16311 (get_cse_reg_info): Revamp to use expandable hash tables instead
16312 of splay trees. Initialize new fields in cse_reg_info structure.
16313 (new_basic_block): Similarly.
16315 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16317 * genrecog.c (message_with_line): Prototype.
16318 (validate_pattern): Pass along the set for the dest, not a flag.
16319 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16320 Check for PC/CC0 as sources.
16321 (nodes_identical): Check for children position match before
16322 allowing the combination.
16324 * rtl.c (read_rtx): Track line number across \\\n.
16326 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16328 * mips.h (SPECIAL_MODE_PREDICATES): New.
16329 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16330 (movdi+1, movsi+1): Add output reload constraint.
16331 (casesi_internal): Likewise. Fix commentary.
16332 (return_internal): Use pmode_register_operand.
16334 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16336 * 1750a.md (movstrqi): Add missing output reload constraint.
16337 (call_value): Likewise.
16338 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16339 (jmpfdec): Add missing inout reload constraint.
16340 * elxsi.md (addsi patterns): Add missing output reload constraint.
16341 (move from sp): Use @ alternates.
16342 (call_value): No constraint on output.
16343 * fr30.md (movsi_pop): Add missing output reload constraint.
16344 (movsf_constant_store): Likewise.
16345 (splits): Remove constraints.
16346 (subsi3): Add missing mode.
16347 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16348 (call_value): Likewise.
16349 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16350 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16351 * m32r.md (movsicc_internal): Add output reload constraint.
16352 (movstrsi_internal): Add inout reload constraints.
16353 * m88k.h (reg_names): Don't declare.
16354 (SPECIAL_MODE_PREDICATES): New.
16355 * m88k.md (*): Use register_operand not reg_or_0_operand
16357 * mn10200.h (PREDICATE_CODES): New.
16358 * ns32k.md (ffs pattern): Add output reload constraint.
16359 * pdp11.md (sob pattern): Add inout reload constraint.
16360 * sh.md (splits): Remove constraints.
16361 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
16362 * v850.md (pattern_is_ok_for_epilogue): Likewise.
16363 * vax.md (jgequ pattern): Add inout reload constraint.
16365 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
16367 * configure.in (djgpp): Revert previous patch.
16368 * configure: Rebuit.
16369 * config/i386/djgpp.h: Revert previous patch.
16371 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
16373 * fixinc/inclhack.def: Restore patch lost during last merge of
16374 "no_bogosity" branch.
16375 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16377 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16379 * fixincludes: Add a HPUX 11 fix for inttypes.h.
16380 * fixinc/inclhack.def: Same.
16381 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
16383 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
16385 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
16386 as the base of a PLUS.
16388 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16390 * config/c4x/c4x.md: Define mode for remaining unspec operators.
16391 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
16393 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
16395 * pa.md (post_stw+1): Use pmode_register_operand.
16396 (dcacheflush, icacheflush): Likewise.
16398 * i386.md (movstricthi_1): Allow r/r.
16400 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
16402 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
16403 to (not (and (arg0) (arg1))). Similary for and.
16405 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
16406 fallthrough to associate code.
16407 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
16410 * combine.c (simplify_logical): Convert XOR to IOR if operands have
16411 no bits in common; remove XOR to ROTATE conversion.
16413 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16415 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
16417 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16419 * config/c4x/c4x.c (dst_operand): New.
16420 (PREDICATE_CODES): Update.
16421 * config/c4x/c4x.h (dst_operand): Declare it.
16422 * config/c4x/c4x.md: Define mode for each unspec usage.
16423 (move patterns): Use dst_operand predicate instead of src_operand.
16424 (movqi_update, movqf_update): Delete.
16426 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
16428 * recog.c (pmode_register_operand): New.
16429 * recog.h: Declare it.
16430 * genrecog.c (pred_codes): Likewise.
16431 (special_mode_pred_table): Likewise.
16432 (validate_pattern): Don't warn no mode for address_operand.
16434 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
16435 if the operand is not insn-like.
16437 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
16438 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
16440 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
16442 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
16444 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
16445 instead of general_operand in a SET_DEST. Use const_double_operand
16446 instead of an explicit test against CONST_DOUBLE.
16447 (movsf_const_lo): Add missing register mode.
16448 (goto_handler_and_restore): Add auxiliary test for Pmode.
16449 (flush): Adjust to use address_operand.
16450 (return_sf_no_fpu): Add missing output constraint.
16452 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
16454 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
16455 for call return value.
16456 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
16458 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
16460 * toplev.c (main): Only warn about options for other languages.
16461 * collect2.c (main): Pass -w to sub-gcc.
16463 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
16465 * flow.c (propagate_block): Add call-clobbered registers to
16468 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
16469 zapping mem_set_list.
16470 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
16471 (mark_set_1, mark_used_regs): Likewise.
16473 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
16475 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
16477 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16479 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
16480 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
16481 options. Also add a new item "C-only Warning Options" to the
16484 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
16486 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
16487 from multiple calls.
16489 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
16491 * i386.md (call value patterns): Move to the end of the file.
16492 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
16494 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
16496 * configure.in (djgpp configuration): Define extra_objects..
16497 * configure: Rebuilt.
16498 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
16499 (DTORS_SECTION_ASM_OP): Define.
16500 (INIT_SECTION_ASM_OP): Define.
16501 (FINI_SECTION_ASM_OP): Define.
16502 (DATA_SECTION_ASM_OP): Define.
16503 (TEXT_SECTION_ASM_OP): Define.
16504 (EH_FRAME_SECTION_ASM_OP): Define.
16505 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
16506 (STARTFILE_SPEC): Add crtbegin.o.
16507 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
16508 to here from LINK_COMMAND_SPEC.
16509 (DO_GLOBAL_CTORS_BODY): Define.
16510 (CRTSTUFF_USE_FINI_SECTION): Define
16511 (HAS_INIT_SECTION): Delete.
16513 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
16515 * Makefile.in (all.cross): Depend on xcpp$(exeext).
16517 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
16519 * pa.h (PREDICATE_CODES): New.
16521 * genrecog.c (validate_pattern): Condense the destination
16522 non-lvalue message.
16524 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
16526 * alpha.md (call-1): Supply missing mode for operator.
16527 (*): Add missing output reload constraints. Remove constraints
16528 from define_splits.
16530 * i386.h (SPECIAL_MODE_PREDICATES): New.
16531 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
16532 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
16533 (addsi_lea_3): Add missing mode for op 3.
16534 (prologue_set_got, prologue_get_pc): Add missing modes.
16535 (*) Add missing output reload constraints.
16537 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
16539 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
16540 check for member bit-size overflow and use var_size if it occurs.
16541 (layout_record): Use bitsize_int() to define the type size in bits.
16542 Likewise for computation and assignment to DECL_FIELD_BITPOS.
16543 (layout_decl): Likewise when assigning to DECL_SIZE.
16545 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
16547 * genrecog.c (validate_pattern): Typo last change. Verify
16548 that output operands have output reloads.
16550 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
16552 * genrecog.c (special_mode_pred_table): New.
16553 (NUM_SPECIAL_MODE_PREDS): New.
16554 (find_operand): New.
16555 (validate_pattern): New argument `insn'. Warn for assignment to
16556 any predicate accepting non-lvalues. Conditionaly warn for
16557 match_operand without a mode. Try much harder to match source
16558 and destination modes on a set.
16559 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
16561 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
16563 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
16565 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
16567 * combine.c (simplify_logical): Recognize xor pattern that encodes
16570 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16572 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
16575 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
16577 * ggc-page.c (MAP_FAILED): Provide default.
16579 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
16581 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
16582 * sparc.h (PREDICATE_CODES): Update.
16584 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
16586 * alpha.c (some_ni_operand): New.
16587 * alpha-protos.h: Declare it.
16588 * alpha.h (PREDICATE_CODES): Update.
16589 * alpha.md (sXaddq reload insns): Use some_ni_operand
16590 for SET_DEST instead of some_operand.
16592 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
16593 Jim Wilson <wilson@cygnus.com>
16595 * genrecog.c (maybe_both_true_2): Don't compare modes of
16597 (process_tree): Elide peephole2_insns. Invoke simplify_tests
16598 after find_afterward.
16599 (debug_decision_1): Dump next and afterward codes.
16601 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
16603 * rtl.c (dump_and_abort): Remove.
16604 (fatal_with_file_and_line): New.
16605 (fatal_expected_char): New.
16606 (read_rtx_lineno, read_rtx_filename): New.
16607 (read_skip_spaces): Track line number.
16608 (read_name): Use fatal_with_file_and_line.
16609 (read_rtx): Use fatal_expected_char. Track line number.
16610 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
16612 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
16613 if it isn't a CODE_LABEL.
16615 * genattr.c (main): Set read_rtx_filename.
16616 * genattrtab.c (main): Likewise.
16617 * gencodes.c (main): Likewise.
16618 * genconfig.c (main): Likewise.
16619 * genemit.c (main): Likewise.
16620 * genextract.c (main): Likewise.
16621 * genflags.c (main): Likewise.
16622 * genopinit.c (main): Likewise.
16623 * genoutput.c (main): Likewise.
16624 * genpeep.c (main): Likewise.
16626 * genrecog.c (decision_test.u.insn): Add `lineno'.
16627 (pattern_lineno, error_count): New variables.
16628 (message_with_line): New.
16629 (add_to_sequence): Break out checking code to ...
16630 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
16631 (merge_insn): Use message_with_line.
16632 (make_insn_sequence): Use validate_pattern. Record insn lineno.
16633 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
16635 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16637 * expr.c (store_constructor): Clear union if constructor is empty.
16639 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
16641 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
16642 Add !endian checks. Change %{...} to %(...).
16644 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
16646 * i386.md (*addsi3_cc): Renamed from addcsi3.
16647 (*addsi3_carry): Renamed from addxsi3.
16648 (*subsi3_cc): Renamed from subcsi3.
16649 (*subsi3_carry): Renamed from subxsi3.
16650 (*xorqi_cc_1): Renamed from xorcqi_1.
16651 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
16652 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
16654 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
16656 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
16657 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
16659 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
16661 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
16662 climb up the chain of insns.
16664 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
16666 * genrecog.c (write_subroutine): Careful for null trees.
16667 (process_tree): Don't elide empty functions.
16669 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
16671 * Makefile.in (genrtl.o): Depend on ggc.h.
16672 * configure.in (valloc): Probe for it.
16673 (with-gc): Use ggc-page if valloc present.
16674 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
16675 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
16676 (ggc_alloc_string): Moved from ggc-page.c.
16677 * ggc-none.c (ggc_alloc_obj): New.
16678 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
16679 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
16680 (struct globals): Likewise for dev_zero_fd.
16681 (init_ggc): Likewise for it's initialization.
16682 (ggc_allocated_p): Move careful dereference from ...
16683 (ggc_lookup_page_table): ... here. Delete.
16684 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
16685 (alloc_anon): Use valloc if no mmap.
16686 (release_pages): Use free if using valloc.
16687 (ggc_alloc_obj): Renamed from alloc_obj.
16688 (ggc_set_mark): Renamed from mark_obj.
16689 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
16690 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
16691 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
16692 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
16693 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
16694 (ggc_collect): Use fp printing instead of our own rounding.
16695 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
16696 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
16697 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
16698 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
16699 (struct ggc_string, struct ggc_any): Delete.
16700 (offsetof): Provide default definition.
16701 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
16703 (struct ggc_mem): New, from corpse of ggc_any.
16704 (struct ggc_status): Delete.
16705 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
16706 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
16707 (n_strings_collected, n_anys_collected): Delete.
16708 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
16709 (ggc_alloc_string, ggc_alloc): Delete.
16710 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
16711 (ggc_free_string, ggc_free_any): Delete.
16712 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
16713 (ggc_compare_addresses, ggc_mark_string): Delete.
16714 (ggc_mark_string_if_gcable, ggc_mark): Delete.
16715 (search_data): Delete.
16716 (struct globals): New.
16717 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
16718 (tree_insert, tree_lookup): New.
16719 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
16720 (clear_marks, sweep_objs): New.
16721 (ggc_collect): Gut. Use clear_marks, sweep_objs.
16722 (init_ggc): Set allocated_last_gc.
16723 (ggc_push_context): Gut. Use G.context.
16724 (ggc_pop_context): Likewise.
16725 (ggc_pop_context_1): New.
16726 (debug_ggc_tree): New.
16727 (debug_ggc_balance, tally_leaves): New.
16728 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
16729 (ggc_mark_string_if_gcable): Remove decl.
16730 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
16731 (ggc_mark_rtvec_children): New.
16732 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
16733 (ggc_mark_if_gcable): New decl.
16734 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
16735 (ggc_alloc_tree, ggc_alloc): Likewise.
16736 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
16737 (ggc_alloc_obj): New decl.
16738 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
16739 (ggc_alloc_tree, ggc_alloc): Likewise.
16740 (ggc_set_mark): New decl.
16741 * rtl.h (struct rtx_def): Remove gc_mark.
16742 (struct rtvec_def): Likewise.
16743 * tree.h (struct tree_common): Likewise.
16745 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
16747 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
16748 float_format and thread_file definitions.
16749 * configure: Rebuilt.
16751 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
16753 * extend.texi (Function Names): Document types of function names.
16755 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16757 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16758 an earlyclobbered output conflict with RELOAD_INPUT reloads.
16760 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16762 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
16764 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16766 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
16768 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
16770 * collect2.c (main): Do prelimnary link on AIX if rflag.
16772 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16774 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
16775 __CTOR_LIST__ in opposite order, which is the correct order for sorted
16777 (__do_global_dtors): similarly for __DTOR_LIST__.
16779 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16780 Diego Novillo <dnovillo@cygnus.com>
16782 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
16785 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
16787 * fixincl/*: Merged "no_bogosity" branch
16788 * fixincl/fixlib.h: protect against doubly defining t_bool
16789 * fixincl/server.h: protect against doubly defining t_bool
16791 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
16793 * genoutput.c: Include toplev.h.
16795 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
16797 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
16799 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
16800 * configure: Regenerate.
16802 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
16804 * gcse.c (delete_null_pointer_checks): Returns void.
16806 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16808 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
16809 * emit-rtl.c (copy_insn_1): Likewise.
16811 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
16813 * config/mips/mips.c (mips_build_va_list): Correct
16814 TREE_CHAIN setting when hard-float.
16815 (mips_va_start): Use corrected setting.
16816 (mips_va_arg): Likewise. Also pass a tree to build of
16817 POSTINCREMENT_EXPR rather than a naked 'int'.
16819 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
16821 * ggc.h (ggc_push_context): Fix comment.
16822 (ggc_pop_context): Likewise.
16823 (mark_string_if_gcable): Likewise.
16824 * ggc-common.c (ggc_mark_rtx_children): Use
16825 ggc_mark_string_if_gcable.
16826 * ggc-page.c (ggc_lookup_page_table): New function.
16827 (ggc_allocated_p): Likewise.
16828 (mark_obj): Fix formatting.
16829 (ggc_mark_string_if_gcable): New function.
16830 * ggc-simple.c (ggc_allocated_strings): New variable.
16831 (ggc_strings_used): Likewise.
16832 (ggc_compare_addresses): New function.
16833 (ggc_pop_context): Pop the `any' memory too.
16834 (ggc_mark_string_if_gcable): New function.
16835 (ggc_collect): Initialize and tear down ggc_allocated_strings.
16837 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
16839 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
16840 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
16841 * rs6000.c (expand_block_move): Match movstrsi_?reg register
16844 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
16846 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
16847 (sched_reg_live_length, sched_reg_basic_block): Delete.
16848 (current_block_num, bb_live_regs, old_live_regs): Delete.
16849 (dead_notes, struct sometimes): Delete.
16850 (sched_note_set, birthing_insn_p): Delete.
16851 (adjust_priority): Gut useless reg lifetime code.
16852 (create_reg_dead_note, attach_deaths): Delete.
16853 (attach_deaths_insn, new_sometimes_live): Delete.
16854 (finish_sometimes_live): Delete.
16855 (find_pre_sched_live, find_post_sched_live): Delete.
16856 (update_reg_usage): Delete.
16857 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
16858 (schedule_insns): Delete reg lifetime code.
16859 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
16860 (unlink_other_notes): Adjust REG_NOTE commentary.
16861 (reemit_notes): Use REG_SAVE_NOTE.
16862 (schedule_block): Likewise.
16863 (schedule_region): Allocate bitmap of blocks in region. Use
16864 count_or_remove_death_notes. Use update_life_info.
16866 * rtl.h (REG_SAVE_NOTE): New.
16867 * rtl.c (reg_note_name): Update.
16869 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
16871 * combine.c (refresh_blocks, need_refresh): New.
16872 (combine_instructions): Allocate refresh_blocks. Invoke
16873 update_life_info if needed.
16874 (distribute_notes): Mark refresh_blocks instead of installing
16876 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
16877 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
16879 * Makefile.in (recog.o): Depend on basic-block.h.
16881 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
16883 * genrecog.c (add_to_sequence): Thinko last change: delete
16884 shadowing allow_const_int variable.
16886 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16888 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
16889 __GNUC__ and __GNUC_MINOR__.
16891 * gansidecl.h: Likewise.
16897 * toplev.h: Likewise.
16899 * tree.c: Likewise.
16901 * tree.h: Likewise.
16903 * varray.c: Likewise.
16905 * varray.h: Likewise.
16907 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16909 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
16910 use one before a jump table.
16912 * rtl.def (ADDRESS): Change documentation to match reality.
16913 * md.texi: Don't document it.
16914 * gmicro.md (load address pattern): Use 'p' constraint, delete use
16917 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
16919 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
16921 * genrecog.c (add_to_sequence): Move allow_const_int test outside
16922 known predicate block; default allow_const_int true.
16923 (debug_decision_list): New.
16925 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
16927 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
16929 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
16931 * gcse.c (gcse_main): Avoid global optimizations if we have a
16932 large number of basic blocks and the ratio of edges to blocks
16934 (delete_null_pointer_checks): Likewise.
16936 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
16938 * c-common.c (check_format_info): Warn if format string isn't a
16941 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16943 * configure.in (arm*-*-*): Don't let autoconf remove brackets
16944 * configure: regenerate
16946 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
16948 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
16949 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
16950 (peepholes): Re-enable.
16952 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
16954 * Makefile.in (flow.o): Depend on TREE_H.
16955 * basic-block.h (REG_SET_EQUAL_P): New.
16956 (XOR_REG_SET): New.
16957 (n_edges): Declare.
16958 (free_regset_vector): Remove declaration.
16959 (flow_delete_insn_chain): Declare.
16960 (enum update_life_extent): New.
16961 (update_life_info, count_or_remove_death_notes): Declare.
16962 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
16963 Verify register live at bb->global_live_at_start before adding USE.
16964 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
16965 (CLEAN_ALLOCA): New.
16967 (PROP_*): New flags.
16968 (find_basic_blocks_1): Use alloc_EXPR_LIST.
16969 (clear_edges): Zero n_edges.
16970 (make_edge): Increment n_edges.
16971 (split_edge): Don't allocate bb->local_set. Increment n_edges.
16972 (flow_delete_insn_chain): Export.
16973 (delete_block): Decrement n_edges.
16974 (merge_blocks_nomove): Likewise.
16975 (life_analysis): Give life_analysis_1 PROP flags.
16976 (verify_wide_reg_1, verify_wide_reg): New.
16977 (verify_local_live_at_start): New.
16978 (update_life_info): Rewrite to call into propogate_block.
16980 (mark_regs_live_at_end): After reload, if epilogue as rtl,
16981 always mark stack pointer. Conditionally mark PIC register.
16982 After reload, mark call-saved registers, return regsiters.
16983 (life_analysis_1): Accept PROP flags not remove_dead_code.
16984 Call mark_regs_live_at_end before zeroing regs_ever_live.
16985 Use calculate_global_regs_live. Copy global_live_at_end before
16986 calling final propagate_block. Zero reg_next_use on exit.
16987 (calculate_global_regs_live): New.
16988 (allocate_bb_life_data): Don't allocate bb->local_set.
16989 (init_regset_vector, free_regset_vector): Remove.
16990 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
16991 Test flags before every operation. Warn if prologue/epilogue insn
16992 would have been deleted.
16993 (mark_set_regs, mark_set_1): Accept and use FLAGS.
16994 Use alloc_EXPR_LIST.
16995 (mark_used_regs): Accept and use FLAGS, not FINAL.
16996 Remove special handling for RETURN.
16997 (try_pre_increment): Use alloc_EXPR_LIST.
16998 (dump_flow_info): Dump n_edges.
16999 (unlink_insn_chain, split_hard_reg_notes): Remove.
17000 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17001 (find_insn_with_note, new_insn_dead_notes): Remove.
17002 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17003 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17004 (replace_insns): Remove.
17005 (count_or_remove_death_notes): New.
17006 (verify_flow_info): Abort on error after all checks.
17007 (remove_edge): Decrement n_edges.
17008 (remove_fake_edges): Tweak format.
17009 * haifa-sched.c (schedule_insns): Use split_all_insns.
17010 * output.h (update_life_info): Remove declaration.
17011 * recog.c (split_all_insns): From the corpse of split_block_insns,
17012 do the whole function block by block. Use update_life_info.
17013 (recog_last_allowed_insn): New.
17014 (recog_next_insn): Mind it.
17015 (peephole2_optimize): Set it. Walk backwards through blocks.
17016 Use update_life_info.
17017 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17018 (split_all_insns): Declare.
17019 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17020 Use split_all_insns.
17022 * i386.md (or -1 peep2s): Disable.
17024 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17026 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17027 a single pattern. Scrap the 'd' versions as unnecessary.
17029 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17030 tablejump_mips162,tablejump_internal4): The operands to a
17031 label_ref must be VOIDmode.
17033 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17035 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17037 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17039 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17041 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17043 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17044 cache every function if ggc_p.
17046 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17048 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17049 instead of copy_rtx. Accept sequences that contain asm statements.
17050 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17051 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17052 orig_asm_operands_vector, copy_asm_operands_vector,
17053 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17055 * rtl.h (copy_insn, copy_insn_1): Declare.
17057 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17059 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17061 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17062 arguments to `current_file_function_operand'.
17064 * genrecog.c: Include hard-reg-set.h and resource.h in the
17065 generated output file.
17067 * real.c: Include tm_p.h.
17069 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17071 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17074 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17076 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17077 before the fctiwz insn.
17079 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17080 Mark Mitchell <mark@codesourcery.com>
17082 * tree.c (make_lang_type_fn): New funtion pointer.
17083 (make_lang_type): Call it.
17084 * tree.h (make_lang_type): Declare.
17085 (make_lang_type_fn): Likewise.
17086 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17088 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17090 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17091 make sure that HIGH instructions are copied into BASE_REGS.
17093 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17095 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17097 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17099 * c-decl.c (finish_struct): Use simpler method of
17100 removing elements of a singly-linked list.
17102 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17104 * alpha.md (peephole2's): Comment out peephole2's that generate
17107 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17109 * genrecog.c (add_to_sequence): Disable mode check for
17112 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17114 * ggc-simple.c (init_ggc): Set empty_string.
17116 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17118 * configure.in: Detect mmap. Add --with-gc=foo to select
17119 garbage collector; default to page if mmap available.
17120 * Makefile.in (GGC): Substitute.
17122 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17124 * c-decl.c (ggc_p): Enable.
17126 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17128 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17130 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17132 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17133 string for little-endian-data.
17135 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17137 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17138 case somebody tries to compile --enable-checking code with gcc
17141 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17143 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17146 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17148 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17149 * jump.c (jump_optimize_1): Document why.
17151 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17153 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17154 pointers and casts for `int_handler' and `quit_handler'.
17156 * flow.c (verify_flow_info, split_hard_reg_notes,
17157 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17158 remove_edge, remove_fake_successors): Add static prototypes.
17159 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17160 (mark_set_1): Initialize variable `regno'.
17161 (unlink_insn_chain): Likewise for variable `curr'.
17162 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17164 * loop.c (strength_reduce): Initialize variable
17165 `unrolled_insn_copies'.
17166 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17167 prototypes. Change these functions to take const PTR parameters
17168 to avoid prototype conflict when used as the comparson argument
17170 (check_dbra_loop): Initialize variable `comparison_val'.
17172 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17173 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17174 (find_valid_class): Initialize variable `best_class'.
17175 (find_reloads): Call memcpy, not bcopy.
17177 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17178 (hard_reg_use_compare): Don't needlessly cast away const.
17179 (reload_reg_class_lower): Likewise.
17180 (choose_reload_regs): Initialize variable `regno'.
17182 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17184 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17186 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17188 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17189 ({,d}discard): Add forward declarations. Declare parameter as
17191 (main_without_main): Explicitly declare return type to be int.
17192 (memcpy): Properly declare.
17194 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17195 building the trampoline support, declare malloc, free, and
17197 (__clear_cache): Mark arguments as potentially unused.
17199 * frame.c (toplevel): If inhibit_libc is defined, declare
17202 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17204 * flow.c (make_edge): Accept an optional 2D bitmap in which
17205 to cache edge existence. Update all callers.
17206 (make_label_edge, make_eh_edge): Pass through the edge cache.
17207 (make_edges): Provide the cache.
17209 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17211 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17213 (local_mbtowc): Change the type of variable `i' from int to size_t.
17215 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17216 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17218 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17220 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17221 after other includes that define the appropriate types. Include
17222 tm_p.h for getting user prototypes.
17223 * ggc-callbacks.c (toplevel): Ditto.
17224 * ggc-none.c (toplevel): Ditto.
17225 * gcc-page.c (toplevel): Ditto.
17226 * ggc-simple.c (toplevel): Ditto.
17228 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17229 Jonathan Larmour <jlarmour@cygnus.co.uk>
17231 * config/mips/mips.c (mips_move_2words): Split doubles if
17232 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17234 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17236 * genrecog.c (struct decision_test): New.
17237 (struct decision): Remove test-related members, sort the rest by size.
17238 (IS_SPLIT): Simplify.
17239 (new_decision, new_decision_test): New.
17240 (add_to_sequence): Use them. No special handling for args of
17242 (maybe_both_true): Renamed from not_both_true; return sense changed.
17243 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17244 of maybe_both_true and adjusted for decision_test.
17245 (position_merit): Remove.
17246 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17247 (merge_accept_insn): New, broken out of merge_trees.
17248 (merge_trees): Use them. No special case for c_test; no node
17249 splitting; use test type instead of position_merit.
17250 (factor_tests): New.
17251 (simplify_tests): New.
17252 (break_out_subroutines): Don't write code now.
17253 (find_afterward): New.
17254 (write_afterward, write_switch, write_cond): New.
17255 (write_action, is_unconditional): New.
17256 (write_node): New. Use them.
17257 (write_tree_1): Rewrite. Use the new functions above.
17258 (write_tree): Remove afterward processing.
17259 (write_subroutine): Simplify function variant emission.
17260 (write_subroutines): New.
17261 (same_codes, clear_codes): Remove.
17262 (same_modes, clear_modes): Remove.
17263 (write_header): New, broken out of main.
17264 (make_insn_sequence): Use new_decision and new_decision_test.
17265 (process_tree): New, broken out of main.
17266 (main): Adjust for merge_trees interface change.
17267 Don't #define operands in the output file.
17268 (record_insn_name): New, broken out of make_insn_sequence.
17269 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17270 (debug_decision): New.
17272 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17274 * resource.c (find_free_register): Mark class_str argument const.
17275 * resource.h: Update prototype to match.
17277 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17278 * i386.md: Give all anonymous insns names.
17280 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17282 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17285 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17287 * toplev.c (dbr_sched_time): Unconditional.
17288 (peephole2_time): New.
17289 (compile_file): Add pass numbers to all of the dump file suffixes.
17290 Dump peephole2_time. Don't dump times for non-applicable passes.
17291 (rest_of_compilation): Add pass numbers to dump file suffixes.
17292 Conditionalize calls to the scheduler.
17293 * invoke.texi: Update.
17295 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17297 * flow.c (make_edges): Fix insn iteration.
17298 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17299 (find_basic_blocks_1): Fix spelling mistake.
17301 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17303 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17304 always have side-effects. Use memset not bzero.
17305 (make_node): Likewise.
17307 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17309 * stmt.c (expand_anon_union_decl): When any of the elements of the
17310 union is addressable, so is the entire union.
17312 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17314 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17316 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17317 * bitmap.c (bitmap_operation): Return true iff TO changed.
17318 (bitmap_equal_p): New.
17319 (bitmap_bit_p): Tidy arithmetic.
17320 (debug_bitmap_file): Likewise.
17322 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17324 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17325 before cse2 instead of after.
17327 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17329 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17332 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17334 * cppinit.c (is_idchar initializer): Loosen tests to accept
17337 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17339 * mips.md: Define conditional move patterns for floating point
17340 operands and DI mode conditions.
17342 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17344 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17345 always have side-effects.
17347 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17349 * mn10200.c (asm_file_start): Fix typo.
17351 * cppinit.c (is_idchar initializer): Tighten tests for when
17352 to put the table into initialized memory.
17354 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17355 not an array of rtunion.
17356 * gcc-page.c (ggc_alloc_rtvec): Similarly.
17357 * gcc-simple (ggc_free_rtvec): Similarly.
17359 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
17362 * mbchar.h: Add missing #endif.
17364 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
17365 (FPBIT, DPBIT): Define.
17367 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17369 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
17371 * profile.c (instrument_arcs, output_gcov_string,
17372 tablejump_entry_p): Add static prototypes.
17373 (output_gcov_string): Constify a char*.
17375 * regmove.c (replacement_quality, fixup_match_2): Add static
17378 * resource.h (reg_dead_p): Add extern prototype.
17380 * rtl.c (trim_filename): Add static prototype.
17382 * scan-decls.c (skip_to_closing_brace): Likewise.
17384 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
17385 (expand_end_case): Initialize variable `range'.
17386 (emit_case_nodes): Remove unused prototype `rtx_fn'.
17388 * varasm.c (asm_emit_uninitialised): Add static prototype.
17389 (asm_emit_uninitialised, assemble_variable): Mark parameter with
17392 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17394 * cpplib.c (if_directive_nameo): Add static prototype.
17396 * cse.c (cse_insn): Remove unused variable `p'.
17398 * except.c (create_rethrow_ref, push_entry,
17399 receive_exception_label, new_eh_region_entry, find_func_region,
17400 clear_function_eh_region, process_nestinfo): Add static prototypes.
17401 (get_reg_for_handler): Hide definition.
17402 (process_nestinfo): Initialize variable `extra_handlers'.
17404 * expr.h (expand_builtin_longjmp): Add extern prototype.
17406 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
17408 * function.c (prepare_function_start): Likewise.
17409 (pop_function_context_from): Mark parameter `context' with
17411 (push_temp_slots_for_block, flush_addressof): Hide definition.
17413 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
17414 solve_program_flow_graph, calculate_branch_probs,
17415 function_summary, main, fancy_abort): Add prototypes.
17417 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
17418 (add_hash): Constify a char*.
17420 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
17421 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
17422 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
17424 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
17426 * lists.c (free_list, zap_lists): Likewise.
17428 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17430 * alias.c (nonlocal_reference_p): Add static prototype.
17432 * bitmap.c (bitmap_element_allocate): Prototype args in function
17435 * builtins.c (stabilize_va_list): Add static prototype.
17436 (expand_builtin_va_arg): Constify a char*.
17438 * c-lex.c (getch, put_back, extend_token_buffer_to,
17439 read_line_number, token_getch, token_put_back): Add static
17442 * c-parse.gperf (hash, is_reserved_word): Likewise.
17444 * cccp.c (is_dir_separator): Likewise.
17446 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17448 * graph.h: New file to prototype functions exported by graph.c.
17450 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
17452 * graph.c: Include graph.h.
17454 * toplev.c: Likewise. Remove redundant prototypes.
17456 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
17458 * invoke.texi: Removed duplicated description for -Q.
17460 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
17462 * extend.texi: Grammar fix in __extension__ text.
17464 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
17466 * md.texi (define_peephole2): New section.
17468 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
17470 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
17471 (mov $-1 to or peepholer): Enable for pentium when optimizing for
17474 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
17476 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
17478 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
17480 * i386.md (ffs expander): Emit Pentium friendly code for
17483 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
17485 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
17487 (build1): Likewise.
17489 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17491 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
17493 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
17495 * config/m68k/m68k.c (use_return_insn): Return false if the pic
17496 register is in use.
17498 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17500 * md.texi (No Constraints): Delete section.
17501 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
17502 * final.c (final_scan_insn): We always have register constraints.
17503 * genattrtab.c: Don't include "insn-config.h".
17504 (write_attr_case): We always have register constraints.
17505 * genconfig.c (register_constraint_flag): Delete.
17506 (walk_insn_part): Don't check whether we have register constraints.
17507 (main): Don't write out "#define REGISTER_CONSTRAINTS".
17508 * genoutput.c (have_constraints): Delete.
17509 (main): Don't set it.
17510 (output_operand_data): We always have constraints.
17511 (scan_operands): Likewise.
17512 (compare_operands): Likewise.
17513 * local-alloc.c (block_alloc): We always have constraints.
17514 (requires_inout): Always compile this function.
17515 * recog.c (extract_insn): We always have constraints.
17516 (constrain_operands, reg_fits_class_p): Always compile these
17518 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
17520 (struct insn_operand_data): Likewise.
17521 * regclass.c (regclass): We always have constraints.
17522 (record_reg_classes, copy_cost, record_address_regs,
17523 auto_inc_dec_reg_p): Always compile these functions.
17524 * regmove.c (regmove_optimize): We always have constraints.
17525 * reload.c (find_reloads): Likewise.
17526 * reload1.c (reload): Likewise.
17527 (reload_cse_simplify_operands): Likewise.
17528 * i860.c (output_delay_insn): Likewise.
17530 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
17532 * iris6.h (BUILD_VA_LIST_TYPE): Define.
17534 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17536 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
17537 for the va_list record.
17539 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
17541 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
17544 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
17546 * alias.c: Include insn-flags.h.
17547 * Makefile.in (alias.o): Update.
17549 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
17551 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
17552 to LTU and GEU. Handle more cases using sbb.
17554 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
17556 * i386.md (truncatexfdf splitters): Do not use subreg.
17557 (fop XFmode patterns): Fix mode in operand testing.
17559 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
17561 * jump.c (jump_optimize_1): Amend last change to test only the
17562 form of the operand, not the insn.
17564 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
17565 not register_operand to determine when B may need preloading.
17567 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
17569 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
17570 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
17571 (call-value patterns): Move to end of file.
17572 (*): Remove mode from label_ref in (pc) context.
17573 (movstrqi): Use memory not general_operand for BLKmode operands.
17574 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
17575 to register_operand operands.
17576 (peep2 patterns): Convert from commented-out peephole patterns.
17578 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17580 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
17581 to BUILT_IN_INIT_DWARF_REG_SIZES.
17582 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
17583 Renamed from BUILT_IN_DWARF_REG_SIZE; call
17584 expand_builtin_init_dwarf_reg_sizes.
17585 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
17586 with __builtin_init_dwarf_reg_size_table.
17587 * dwarf2out.c (struct reg_size_range): Delete.
17588 (expand_builtin_init_dwarf_reg_sizes): New function.
17589 (expand_builtin_dwarf_reg_size): Delete.
17590 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
17591 (expand_builtin_dwarf_reg_size): Don't declare.
17592 * libgcc2.c (dwarf_reg_size_table_initialized): New.
17593 (dwarf_reg_size_table): New.
17594 (init_reg_size_table): New function.
17595 (copy_reg): Use dwarf_reg_size_table.
17596 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
17599 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
17601 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
17602 Correctly build argument list to constructor and destructor functions.
17604 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
17606 * c-tree.h (warn_float_equal): Declare.
17607 * c-decl.c (warn_float_equal): Define.
17608 (c_decode_option): Recognize -W[no-]float-equal.
17609 * c-typeck.c (build_binary_op): Conditionally warn
17610 about equality tests of floating point types.
17611 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
17612 * invoke.texi: Add docs for -Wfloat-equal warning.
17614 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
17616 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
17617 generating RTL directly.
17618 * mips.h (INIT_TARGET_OPTABS): Likewise.
17619 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
17621 * expr.h (init_mov_optab): Delete declaration
17623 * h8300.c (WORD_REG_USED): Update to avoid useless register
17624 saves in interrupt functions and functions which never return.
17626 * cse.c (struct set): Delete inner_dest_loc field.
17627 (cse_insn): Remove assignments to inner_dest_loc field.
17629 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
17631 * ggc-page.c: Don't include <unistd.h> etc taken care of
17632 by "system.h". Include <sys/mman.h> afterward.
17634 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
17636 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
17639 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
17641 * xcoffout.c (xcoffout_declare_function): Add documentation.
17642 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
17643 TARGET_64BIT. Compare constant to -1, not bit pattern.
17644 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
17645 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
17648 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
17650 * dwarf2out.c (add_abstract_origin_attribute): Abort if
17651 origin_die is NULL.
17652 (gen_inlined_enumeration_type_die): Do not abort if the type has
17653 not been writeen out.
17654 (gen_inlined_structure_type_die): Do not abort if the type has
17655 not been writeen out.
17656 (gen_inlined_union_type_die): Do not abort if the type has
17657 not been writeen out.
17658 (gen_tagged_type_instantiation_die): Do not abort if the type
17659 has not been written out.
17661 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17663 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
17665 * reg-stack.c (straighten_stack): Copy hard reg set with
17668 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
17670 * builtins.c (stabilize_va_list): Stabilize array type va_list
17671 to a pointer type, not the base record type.
17672 (expand_builtin_va_copy): Dereference the pointers explicitly;
17673 use the correct size for the copy.
17675 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
17676 (rs6000_va_arg): Likewise.
17678 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
17680 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
17682 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
17684 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
17686 (DECL_BUILT_IN_CLASS): Adjust accordingly.
17688 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
17690 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
17691 (init_ggc): Use it instead of a constant.
17692 (ggc_collect): Bound allocated_last_gc by it.
17694 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
17696 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
17699 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
17701 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
17702 (mips*-*-openbsd*): Let big endian configuration be a fragment.
17703 * configure: Regen.
17704 * config/mips/openbsd.h: New, OpenBSD little endian target.
17705 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
17706 * config/mips/xm-openbsd.h: New, OpenBSD host.
17708 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
17710 * config/m68k/m68k.c (output_function_prologue,
17711 output_function_epilogue): Use
17712 current_function_uses_pic_offset_table instead of regs_ever_live
17713 to decide whether to save/restore pic register.
17714 (legitimize_pic_address): Don't modify regs_ever_live any more.
17716 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
17718 * function.h (struct function): Add x_dont_save_pending_sizes_p.
17719 * stor-layout.c (variable_size): Don't add sizes to the pending
17720 sizes list if x_dont_save_pending_sizes_p is set.
17722 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
17724 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
17725 for symbolic_operand().
17726 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
17728 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17730 * combine.c (gen_rtx_combine): Add missing call to va_end().
17732 * final.c (asm_fprintf): Likewise.
17734 * genattrtab.c (attr_rtx): Likewise.
17736 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
17738 * cse.c: Update comments.
17739 (cse_insn): When converting a conditional/computed jump into
17740 an unconditional jump, always make sure a BARRIER immediately
17741 follows the converted jump. Do not delete unreachable code.
17742 (cse_basic_block): Do not delete unreachable code.
17743 * toplev.c (rest_of_compilation): Move call to
17744 delete_trivially_dead_insns after the conditional call to
17747 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17749 * collect2.c (make_temp_file): Don't prototype.
17751 * gcc.c (make_temp_file): Likewise.
17753 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
17755 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
17757 * varasm.c (asm_emit_uninitialised): New function: Generate
17758 the assembler statements necessary to declare an uninitialised
17760 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
17762 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
17763 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
17765 (assemble_variable): Use asm_emit_uninitialised to emit an
17766 uninitialised variable.
17768 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
17770 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
17771 constant on a 64 bit host. Patch supplied by Geoffrey Keating
17772 <geoffk@cygnus.com>.
17774 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17776 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
17777 * c-common.h (builtin_function): Don't declare.
17779 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
17781 (pushdecl): Likewise.
17782 (finish_decl): Likewise.
17783 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
17784 int. All callers changed.
17785 Set the builtin's DECL_BUILT_IN_CLASS.
17786 * tree.h (enum built_in_class): New.
17787 (enum built_in_function): Delete NOT_BUILT_IN.
17788 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
17790 (DECL_SET_FUNCTION_CODE): Likewise.
17791 (DECL_BUILT_IN_CLASS): New macro.
17792 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
17793 (struct tree_decl): Split builtin function code field into a
17795 (builtin_function): Declare.
17797 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
17799 * optabs.c (init_traps): Fix typo in last change.
17801 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
17803 * toplev.c (rest_of_decl_compilation): Update comment.
17805 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17807 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
17808 in .sbss if appropriate.
17809 (EXTRA_SECTION_FUNCTIONS): Add sbss.
17810 (SBSS_SECTION_ASM_OP): New macro.
17811 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
17812 (EXTRA_SECTIONS): Add in_sbss.
17813 * config/mips/mips.h: Prototype sbss_section.
17815 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
17817 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
17820 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
17822 * optabs.c (init_traps): Register trap_rtx as a GC root.
17824 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17826 * config/mips/mips.c (function_arg_pass_by_reference): Define
17827 unconditionally, since it's called unconditionally.
17829 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17831 * toplev.c (documented_lang_options): Add -fshort-wchar.
17832 * c-decl.c (c_decode_option): Likewise.
17833 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
17835 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
17836 * gcc.c (default_compilers): If -fshort-wchar,
17837 override __WCHAR_TYPE__.
17838 * tm.texi (C Dialect Options): Add -fshort-wchar.
17840 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
17841 symbol for a variable.
17843 * cpplib.h (CPP_PREPROCESSED): New macro.
17844 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
17845 we're seeing this input for a second time.
17847 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
17849 * emit-rtl.c (init_emit_once): Initialize modes first.
17851 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
17853 * config/i386/i386.c (pic_label_name): Change to char pointer.
17854 (global_offset_table): New variable.
17855 (load_pic_register): Fill global_offset_table if it hasn't
17856 already been done. Allocate pic_label_name dynamically.
17857 * ggc.h (empty_string): New variable.
17858 * ggc-simple.c (empty_string): Likewise.
17859 (init_ggc): Allocate empty_string and add as root.
17860 * stmt.c (digit_strings): New variable.
17861 (init_stmt): Add last_block_end_note as root. Allocate and
17862 initialize digit_strings.
17863 (expand_asm_operands): Use empty_string instead of string
17864 constant. Use digit_strings instead of string constants.
17865 * profile.c (init_arc_profiler): Allocate string with
17866 ggc_alloc_string instead of xmalloc.
17867 (output_func_start_profiler): Likewise.
17868 * c-typeck.c (digest_init): Check if init is error_mark_node.
17870 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
17871 Richard Henderson <rth@cygnus.com>
17873 * ggc-page.c: New file.
17874 * Makefile.in (ggc-page.o): New.
17876 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
17878 * invoke.texi: Document -fdelete-null-pointer-checks
17879 * toplev.c (flag_delete_null_pointer_checks): New.
17880 (f_options): Add entry for -fdelete-null-pointer-checks.
17881 (rest_of_compilation): Conditionalize null pointer check
17882 elimination on flag_delete_null_pointer_checks.
17883 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
17885 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
17887 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
17888 copyright notice and special exception to GPL.
17890 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17892 * abi64.h (mips_function_value): Add prototype arguments.
17894 * mips-protos.h: New file with mips prototypes.
17896 * mips.c: Include "tm_p.h".
17897 (mktemp, lookup_name): Add prototype arguments.
17898 (extern_list, string_constant, mips_fill_delay_slot,
17899 mips_output_external, mips_output_external_libcall,
17900 mips_output_filename, mips_declare_object, function_prologue,
17901 mips_expand_prologue, function_epilogue, mips16_constant,
17902 build_mips16_function_stub, mips_output_conditional_branch):
17904 (mips_va_start): Remove unused variable `u'.
17905 (mips_va_arg): Cast value to unsigned when comparing against one.
17907 (save_restore_insns, mips_expand_prologue): Add missing arg in
17908 call to `large_int'.
17910 * mips.h: Move prototypes to mips-protos.h.
17911 (data_section, memory_address_p, rdata_section,
17912 readonly_data_section, simple_epilogue_p, text_section): Delete
17913 prototypes delcared elsewhere.
17914 (mips_epilogue_delay_slots, print_options): Delete unused decls.
17916 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
17918 * mips.md: Delete extra args in call to `mips_move_2words'.
17920 * xm-iris6.h (alloca): Add prototype argument.
17922 * genpeep.c: Include "tm_p.h" in generated output file.
17924 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17926 * basic-block.h (find_edge_index): Change parameters.
17927 * flow.c (verify_edge_list): Pass basic_block parameters to
17928 find_edge_index instead of integers.
17930 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
17932 * combine.c (simplify_comparison): Use an unsigned shift to adjust
17935 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
17937 * gcc.1: Fix a formatting error.
17939 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
17941 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
17942 i786, mn10200, mn10300, pdp11, v850.
17944 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
17946 * libgcc2.c (num_digits): Add prototype with
17947 __attribute__((const)).
17948 (__terminate): Add prototype.
17950 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
17952 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
17954 * alpha/alpha.c (print_operand): Fix type of `code'.
17955 (alpha_output_filename): Constify.
17956 * alpha/alpha.h: Move all function declarations ...
17957 * alpha/alpha-protos.h: ... here. New file.
17958 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
17959 (SECTION_FUNCTION_TEMPLATE): Likewise.
17961 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17963 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
17964 * expr.c (expand_expr): Likewise.
17965 (do_jump): Likewise.
17966 (do_store_flag): Pass ccp_store_flag to can_compare_p.
17967 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
17969 (enum can_compare_purpose): New.
17970 (can_compare_p): Adjust prototype.
17971 (prepare_cmp_insn, prepare_operand): Declare.
17972 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
17973 * optabs.c (cmp_available_p): Deleted.
17974 (expand_abs): Pass ccp_jump to can_compare_p.
17975 (can_compare_p): New arg PURPOSE. Check for combined optabs.
17976 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
17977 Call can_compare_p rather than cmp_available_p.
17978 (prepare_operand): No longer static.
17979 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
17980 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
17981 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
17982 sequence to use emit_cmp_and_jump_insns.
17983 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
17985 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
17987 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
17988 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
17989 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
17990 (plus (reg) (const_int 0))
17991 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
17993 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
17995 * rs6000.c (expand_block_move): DImode loads and stores require
17996 word-aligned displacements. Increment address registers with
17997 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
17999 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18001 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18002 is no name for the base type, rather than segfault. If we are
18003 writing out a complex integer type, use DW_ATE_lo_user.
18005 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18006 in one word or less (complex char, complex short, or on 64 bit
18007 systems complex float) to/from a hard register, copy it through
18008 memory instead of dying in gen_{real,imag}part. If we have a
18009 short complex type, prevent inlining since it allocates stack
18012 * tree.c (build_complex_type): If we are writing dwarf2 output,
18013 generate a name for complex integer types.
18015 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18017 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18018 * flow.c (remove_edge): Remove extra whitespace.
18019 (remove_fake_edges): Fix comment.
18020 (add_noreturn_fake_exit_edges): Use the correct name.
18022 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18024 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18025 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18026 (clean): Depend on INTL_CLEAN.
18027 (maintainer-clean): Adjust.
18029 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18031 * configure.in (AC_PREREQ): Bump to 2.13.
18032 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18034 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18036 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18038 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18040 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18041 (HAVE_STRINGIZE): Define.
18043 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18045 * c-parse.in: save and restore warn_pointer_arith on __extension__
18046 along with pedantic.
18047 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18048 Set the type of extension to itype rather than $<itype>1 kludge.
18049 * extend.texi (Alternate Keywords): Adjust documentation.
18050 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18052 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18054 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18055 most assembler templates.
18057 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18058 FP loads and stores.
18059 (following_call): Always return zero for the PA8000.
18060 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18061 FP loads and stores.
18062 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18064 * pa.h (BRANCH_COST): Define.
18066 * pa.md (return, return_internal): Use bve for PA2.0.
18068 * pa.md (fused multiply): Add variants which reduce height for the
18069 fused multiply, but which still generate 2 insns.
18070 (fnegabs): Similarly.
18072 * pa.md (subsi3): Turn into an expander. Create two anonymous
18073 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18074 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18076 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18078 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18080 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18081 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18083 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18086 * flow.c (record_active_eh_regions): Terminate loop after finding
18087 the last insn in the last basic block.
18089 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18091 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18093 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18095 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18097 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18099 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18100 splitting to not use output template.
18102 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18104 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18105 * config/c4x/c4x.c (c4x_va_start): New function.
18107 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18109 * genrecog.c (not_both_true): Handle correctly cases when called for
18110 tests with different positions in the insn.
18112 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18114 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18116 * system.h (HOST_PTR_PRINTF): ... to here.
18118 * mips-tfile.c: Don't include machmode.h.
18120 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18121 (mips-tfile.o): Don't depend on machmode.h.
18123 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18125 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18126 avoid conflicts with typedef struct `region' at the top level scope.
18128 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18130 * basic-block.h (basic_block): Add eh_beg, eh_end.
18131 * flow.c (entry_exit_blocks): Update.
18132 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18133 Call new functions.
18134 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18135 lists.c functions to allocate insn lists.
18136 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18138 (make_eh_edge): ... here. New.
18139 (move_stray_eh_region_notes): New.
18140 (record_active_eh_regions): New.
18141 (delete_unreachable_blocks): Split out block merging ...
18142 (try_merge_blocks): ... here. New.
18143 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18144 Dump debugging data.
18145 (merge_blocks_move_successor_nojumps): Likewise.
18146 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18148 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18150 * extend.texi (Bound member functions): Document unbound pmf
18153 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18155 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18156 has the EXIT_BLOCK as a dest.
18158 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18160 * flow.c (remove_edge): New function to remove an edge from the
18162 (remove_fake_successors): New function to remove fake successor edges.
18163 (remove_fake_edges): New function to remove all fake edges from the
18165 (add_fake_exit_edges): New function to add fake edges from all blocks
18166 with no successors to the exit block.
18167 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18168 prototypes for new functions.
18170 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18172 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18173 Use Pmode to determine whether to output .dword or .word.
18175 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18177 * tree.c (built_in_filename): New variable.
18178 (BUILT_IN_FILENAME): New macro.
18179 (init_tree_codes): Allocate built_in_filename.
18180 (make_node): Use built_in_filename instead of string constant.
18182 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18184 * configure.in: Add fr30 target.
18185 * configure: Regenerate.
18186 * config/fr30: New directory.
18187 * config/fr30/crti.asm: New file.
18188 * config/fr30/fr30.c: New file.
18189 * config/fr30/crtn.asm: New file.
18190 * config/fr30/fr30.h: New file.
18191 * config/fr30/fr30.md: New file.
18192 * config/fr30/lib1funcs.asm: New file.
18193 * config/fr30/t-fr30: New file.
18194 * config/fr30/xm-fr30.h: New file.
18196 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18198 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18199 BARRIER at the end of the successor, not the BARRIER before
18202 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18204 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18206 * stmt.c (any_pending_cleanups): Don't crash when
18207 current_function->stmt is unset.
18209 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18211 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18212 other initializations that may use it for relative offsets.
18214 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18216 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18217 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18218 * config/i386/sol2dbg.h: Removed.
18219 * config/i386/sol2gas.h: New file, to enable gas work-around.
18220 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18221 Don't use sol2dbg.h.
18222 * configure: Rebuilt.
18224 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18226 * invoke.texi (-fthis-is-variable): Remove documentation.
18228 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18230 * basic-block.h (compute_bb_for_insn): Declare.
18231 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18232 to use; set size of basic_block_for_insn directly.
18233 (find_basic_blocks): Update.
18235 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18237 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18239 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18241 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18242 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18244 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18246 * c-decl.c (c_decode_option): Extend comment.
18248 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18250 * toplev.c (progname): Make 'const char *'
18251 (flag_print_mem): Move out of main.
18252 (version_flag): Move out of main.
18253 (filename): Move out of main.
18254 (debug_args): Remove g prefix from options.
18255 (documented_lang_options): Remove cpplib specific options.
18256 (display_help): Add g prefix to debug options.
18257 (check_lang_option): Delete this function.
18258 (decode_d_option): New function: Decode -d... option.
18259 (decode_f_option): New function: Decode -f... option.
18260 (decode_W_option): New function: Decode -W... option.
18261 (decode_g_option): New function: Decode -g... option.
18262 (independent_decode_option): New function: Decode a language
18263 independent command line option.
18264 (main): Invoke lang_decode_option and then
18265 independent_decode_option on each command line option in
18268 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18270 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18271 * fold-const.c (fold_range_test): Do not try to fold the range
18272 test if the rhs or lhs has side effects.
18274 * basic-block.h (compute_flow_dominators): Declare.
18276 * gcse.c (alloc_code_hoist_mem): New function.
18277 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18278 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18279 (hoist_code, one_code_hoisting_pass): Likewise.
18280 (gcse_main): If optimizing for size, then hoist expressions
18281 computed in multiple dominated basic blocks.
18283 * gcse.c (invalid_nonnull_info): New function.
18284 (delete_null_pointer_checks): Likewise.
18285 * rtl.h (delete_null_pointer_checks): Declare.
18286 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18288 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18289 (merge-blocks_move_successor_nojumps): Likewise.
18290 (merge_blocks): Allow merging of some blocks, even if it requires
18291 physical movement of the blocks, but not if it requires new jumps.
18293 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18294 Callers and prototype changed.
18295 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18297 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18299 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18300 -YP when both -p and -pg are present. From i386/sol2.h.
18302 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18304 * Makefile.in (distclean): Delete tm_p.h.
18305 * configure.in: Create a new file, "tm_p.h", from a list in
18306 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18307 "i386/i386-protos.h".
18309 * alias.c: Include "tm_p.h".
18310 * c-typeck.c: Likewise.
18311 * calls.c: Likewise.
18313 * emit-rtl.c: Likewise.
18314 * explow.c: Likewise.
18315 * expmed.c: Likewise.
18316 * expr.c: Likewise.
18317 * final.c: Likewise.
18318 * flow.c: Likewise.
18319 * fold-const.c: Likewise.
18320 * function.c: Likewise.
18321 * gcse.c: Likewise.
18322 * global.c: Likewise.
18323 * haifa-sched.c: Likewise.
18324 * integrate.c: Likewise.
18325 * jump.c: Likewise.
18326 * local-alloc.c: Likewise.
18327 * loop.c: Likewise.
18328 * optabs.c: Likewise.
18329 * recog.c: Likewise.
18330 * reg-stack.c: Likewise.
18331 * regclass.c: Likewise.
18332 * regmove.c: Likewise.
18333 * reload.c: Likewise.
18334 * reload1.c: Likewise.
18335 * reorg.c: Likewise.
18336 * resource.c: Likewise.
18337 * stmt.c: Likewise.
18338 * stor-layout.c: Likewise.
18339 * toplev.c: Likewise.
18340 * tree.c: Likewise.
18341 * unroll.c: Likewise.
18342 * genattrtab.c (main): Make generated file include "tm_p.h".
18343 * genemit.c (main): Likewise.
18344 * genoutput.c (main): Likewise.
18345 * genrecog.c (main): Likewise.
18347 * i386.h: Delete all prototypes.
18348 * i386.c: Include "tm_p.h".
18349 (ix86_attr_length_default): Call constant_call_address_operand
18350 with correct number of arguments.
18351 * i386-protos.h: New file.
18352 * i386.md (unnamed patterns): Call constant_call_address_operand
18353 with correct number of arguments.
18354 (exception_receiver): Call load_pic_register with correct number
18357 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
18359 * c-pragma.c (mark_align_stack): Dereference the void* properly.
18361 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
18363 * rtl.h (insns_safe_to_move_p): New function.
18364 * loop.c (find_and_verify_loops): Use it.
18365 * rtlanal.c (insns_safe_to_move_p): Define it.
18367 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
18369 * c-pragma.c: Include ggc.h.
18370 * Makefile.in (c-pragma.o): Update.
18372 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18374 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
18375 (LIB_SPEC): Likewise.
18376 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
18377 Reindent -YP/-p/-pg.
18378 Copied from config/sparc/sol2.h.
18380 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
18382 * c-pragma.c (mark_align_stack): New.
18383 (init_pragma): New.
18384 * c-pragma.h (init_pragma): Declare it.
18385 * c-lex.c (init_parse): Call it.
18387 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18389 * configure.in: Pick up thread library on Solaris/x86 just
18390 like on Solaris/sparc.
18391 * configure: Rebuilt.
18393 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
18395 * rtl.h (global_rtx_index): New enum.
18396 (global_rtl): Change to array of rtx.
18397 (pc_rtx, cc0_rtx): Redefine accordingly.
18398 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
18399 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
18400 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
18401 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
18402 (const_int_rtx): Change to array of rtx.
18403 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
18405 * emit-rtl.c (global_rtl): Change to array of rtx.
18406 (const_int_rtx): Change to aray of rtx.
18407 (gen_rtx_CONST_INT): Redefine accordingly.
18408 (init_emit_once): Allocate and initialize global_rtl. Likewise
18409 for const_int_rtx. Add both as GC roots.
18410 * genattrtab.c (global_rtl): Update declaration.
18412 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
18414 * Makefile (USER_H): Add iso646.h back.
18416 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
18418 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
18419 zapping the LOG_LINKS of sched_before_next_call.
18421 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
18422 * pa.c (insn_refs_are_delayed): Renamed from
18423 insn_sets_and_refs_are_delayed.
18425 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
18427 * functiion.h (struct function): Add x_whole_function_mode_p.
18428 (retrofit_block): Declare.
18429 * function.c (retrofit_block): New function.
18430 (identify_blocks): Add assertions. Allow an incomplete set of
18431 block notes if we're still generating code for the function.
18432 * integrate.c: Include loop.h.
18433 (expand_inline_function): Call find_loop_tree_blocks to map block
18434 notes to blocks when in whole-function mode. Use retrofit_block
18435 to insert new BLOCKs for the inlined function, rather than
18437 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
18438 * Makefile.in (integrate.o): Depend on loop.h.
18440 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
18442 * tree.h (warn_about_unused_variables): Declare.
18443 * stmt.c (warn_about_unused_variables): New function, split out
18445 (expand_end_bindings): Here.
18447 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
18449 * stmt.c (preserve_subexpressions_p): Don't crash when
18450 current_function->stmt is unset.
18452 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
18454 * stmt.c (expand_start_bindings): Allow callers to pass a flag
18455 indicating that no NOTE_INSN_BLOCK_BEG note is required.
18456 (expand_start_target_temps): Use it.
18457 * except.c (expand_eh_region_start_for_decl): Likewise.
18458 * expr.c (expand_expr): Likewise.
18460 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
18462 * fold-const.c (operand_equal_p): Pay attention to side effects.
18464 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
18466 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
18467 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
18469 * tlink.c (scan_linker_output): Look for keywords before accepting
18470 a mangled name in quotes.
18472 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
18474 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
18475 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
18477 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
18479 * alpha.md: Revert Thu Nov 26 change that came in through the
18480 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
18481 Avoid earlyclobber when possible.
18483 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18485 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
18487 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
18488 Define HAVE_ON_EXIT.
18490 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18492 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
18493 CTYPE_CONV in all ctype macros.
18495 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
18498 * cexp.y (initialize_random_junk): Likewise.
18500 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
18502 * i370.c (handle_pragma): Likewise.
18504 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
18506 * v850.c (override_options): Likewise.
18508 * doprint.c (_doprnt): Likewise.
18510 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
18513 * fixinc/server.c (load_data): Likewise.
18515 * fold-const.c (real_hex_to_f): Likewise.
18517 * genattr.c (write_upcase, gen_attr): Likewise.
18519 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
18520 write_upcase): Likewise.
18522 * genemit.c (print_code): Likewise.
18524 * genopinit.c (gen_insn): Likewise.
18526 * genpeep.c (print_code): Likewise.
18528 * genrecog.c (print_code): Likewise.
18530 * optabs.c (init_libfuncs): Likewise.
18532 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
18534 * haifa-sched.c (sched_analyze): Keep the list of notes organized
18536 (reemit_notes): Likewise.
18538 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
18540 * ggc.h (ggc_root): Move to ggc-common.c.
18542 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
18543 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
18544 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
18545 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
18546 * ggc-common.c (ggc_root): Move from ggc.h.
18547 (roots): Declare, static.
18548 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
18549 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
18550 null or check/set mark bit.
18551 (ggc_mark_roots): New.
18552 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
18554 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
18556 * m32r.c: Include toplev.h.
18557 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
18558 (gen_compare): Rename swap_p to must_swap to match uses.
18559 Add default abort case.
18560 (m32r_output_function_epilogue): Remove unused variables.
18561 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
18562 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
18563 define to empty parameter list. Update all uses.
18564 (predicate decls): Use enum machine_mode not int.
18565 * m32r.md (movsi): Call abort, not fatal_insn.
18566 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
18568 1999-09-14 Andrew Haley <aph@cygnus.com>
18570 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
18571 use $0 instead of 0.
18573 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18575 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
18576 computation out of loop over hard regs.
18578 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
18580 * function.c (identify_blocks): Don't shadow a variable in an
18582 * integrate.c (integrate_decl_tree): Don't use pushlevel,
18583 pushdecl, or poplevel to build up the new BLOCK tree.
18584 (expand_inline_function): Likewise.
18585 (integrate_parm_decls): Likewise.
18587 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
18589 * c-typeck.c (qualify_type): Merge qualifiers from both types.
18591 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
18593 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
18594 * invoke.texi: Document this change.
18596 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
18598 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
18600 (mark_emit_status): Renamed from mark_emit_state.
18601 * except.c (mark_eh_status): Renamed from mark_eh_state.
18602 Check not null before marking.
18603 (free_eh_status): New.
18604 * expr.c (mark_expr_status, free_expr_status): New.
18605 * function.c (free_machine_status): New.
18606 (free_after_parsing): New.
18607 (free_after_compilation): Move bits to free_after_parsing; call
18608 free_eh_status, free_expr_status; zero the marked members of the
18610 (prepare_function_start): No can_garbage_collect.
18611 Call init_eh_for_function.
18612 (expand_dummy_function_end): Free up current_function state.
18613 (mark_function_status): Renamed from mark_function_state.
18614 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
18615 * function.h (struct function): No can_garbage_collect.
18616 (free_machine_status, free_after_parsing): Declare.
18617 (free_eh_status, free_expr_status): Declare.
18618 * ggc.h (mark_expr_status): Declare.
18619 * stmt.c (free_stmt_status): Free the struct.
18620 (mark_stmt_status): Renamed from mark_stmt_state.
18621 (init_stmt): Don't call init_eh.
18622 (init_stmt_for_function): Don't call init_eh_for_function.
18623 * toplev.c (compile_file): Call init_eh.
18624 (rest_of_compilation): Free basic block info before ggc_collect.
18625 Call free_after_parsing; conditionally call free_after_compilation.
18626 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
18627 Check not null before marking.
18628 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
18630 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
18632 * c-lex.c (yylex): Initialize warn.
18634 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
18636 * pa.c (emit_move_sequence): Properly set the mode of the scratch
18637 register when performing secondary reloads for the SAR register.
18639 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
18641 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
18642 (NOTE_BLOCK): New macro.
18643 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
18644 * function.h (identify_blocks): Change prototype.
18645 * function.c (identify_blocks): Simplify.
18646 (reorder_blocks): Likewise.
18647 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
18648 NOTE_INSN_BLOCK_{BEG,END}.
18649 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
18650 the list of saved notes if the note isn't a
18651 NOTE_INSN_BLOCK_{BEG,END}.
18652 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
18654 (reemit_notes): Adjust recreation of notes to reflect new saved
18656 * print-rtl.c (print_rtx): Print the address of the BLOCK when
18657 printing a block note.
18658 * stmt.c (block_vector): Remove.
18659 (find_loop_tree_blocks): Simplify.
18660 (unroll_block_trees): Likewise.
18661 * tree.h (reorder_block): Change prototype.
18663 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
18665 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
18666 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
18667 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
18668 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
18669 (atexit, exit): Simplify.
18670 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
18671 * config/lots: Remove defns of HAVE_ATEXIT.
18673 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
18675 * calls.c (precompute_arguments): Fix typo in comment.
18676 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
18679 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
18681 * dsp16xx.c (override_options): Fix typos in GC root registration.
18683 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
18685 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
18686 from config/svr4.h.
18687 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
18688 (FUNCTION_PROFILER): Redefine appropriately for Linux.
18689 (CC1_SPEC): Likewise.
18691 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18693 * genattr.c (main): Add extern prototype. Call return, not exit.
18694 * genattrtab.c (main): Likewise.
18695 * gencheck.c (main): Likewise.
18696 * gencodes.c (main): Likewise.
18697 * genconfig.c (main): Likewise.
18698 * genemit.c (main): Likewise.
18699 * genextract.c (main): Likewise.
18700 * genflags.c (main): Likewise.
18701 * gengenrtl.c (main): Likewise.
18702 * genopinit.c (main): Likewise.
18703 * genoutput.c (main): Likewise.
18704 * genpeep.c (main): Likewise.
18705 * genrecog.c (main): Likewise.
18707 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
18708 * genattrtab.c (get_insn_name): Likewise.
18709 * gencodes.c (get_insn_name): Likewise.
18710 * genconfig.c (get_insn_name): Likewise.
18711 * genemit.c (get_insn_name): Likewise.
18712 * genextract.c (get_insn_name): Likewise.
18713 * genflags.c (get_insn_name): Likewise.
18714 * genopinit.c (get_insn_name): Likewise.
18715 * genpeep.c (get_insn_name): Likewise.
18717 * gencheck.c (usage): Add static prototype.
18718 * genextract.c (print_path): Constify a char*.
18719 * genopinit.c (optabs): Likewise.
18720 * genoutput.c (operand_data, data, output_predicate_decls,
18721 compare_operands): Likewise.
18722 * genrecog.c (write_tree): Add default case in switch.
18724 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18726 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
18728 * print-rtl.c (get_insn_name): Remove prototype.
18730 * toplev.h (progname): Declare const.
18732 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
18733 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
18734 dump_sched_info, dump_local_alloc, regset_release_memory,
18735 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
18736 error_with_file_and_line, error_with_decl, error_for_asm, error,
18737 fatal, warning_with_file_and_line, warning_with_decl, warning,
18738 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
18739 Remove redundant prototypes.
18741 (notice, check_lang_option, report_file_and_line, vnotice,
18742 mark_file_stack): Add static prototype.
18743 (set_fatal_function): Add prototype.
18744 (vnotice, report_file_and_line, set_fatal_function,
18745 check_lang_option): Constify a char*.
18746 (main): Prototype. Call return, not exit.
18748 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18750 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
18752 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
18754 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
18756 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
18758 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18760 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
18761 behave as if it's zero in all cases.
18762 (expand_function_start): Adjust call to assign_parms.
18763 * tree.h (assign_parms): Adjust prototype.
18764 * objc/objc-act.c (hack_method_prototype): Adjust call to
18767 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
18769 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
18770 arg_pointer_rtx fixed if the argument pointer register is
18772 (NONZERO_BASE_PLUS_P): Likewise.
18774 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
18776 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
18777 match_insn2 to match_insn.
18778 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
18780 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
18782 * Makefile.in (USER_H): Remove va-foo.h.
18784 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
18785 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
18786 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
18787 va-spur.h,va-v850.h}: Remove.
18789 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
18791 * sparc/sparc.md (eligible_for_return_delay): New attribute.
18792 (in_return_delay): Use it instead of match_insn.
18794 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18796 * config/alpha/va_list.h (va-alpha.h): Do not include.
18797 (__gnuc_va_list): Typedef as in varargs.h.
18799 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
18801 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
18802 DECL_LIVE_RANGE_RTL.
18804 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
18806 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
18807 not NOTE_BLOCK_NUMBER.
18808 (expand_eh_region_end): Likewise.
18809 (find_exception_handler_labels): Likewise.
18810 (scan_region): Likewise.
18811 (exception_optimize): Likewise.
18812 (update_rethrow_references): Likewise.
18813 (set_insn_eh_region): Likewise.
18814 * final.c (final_scan_insn): Likewise.
18815 * flow.c (make_edges): Likewise.
18816 * integrate.c (expand_inline_function): Likewise.
18817 * print-rtl.c (print_rtx): Likewise.
18819 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
18821 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
18822 terms of builtin functions and types.
18824 * mips.c (mips_build_va_list): New.
18825 (mips_va_start, mips_va_arg): New.
18826 * mips.h (BUILD_VA_LIST_TYPE): New.
18827 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
18829 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
18830 (sh_build_va_list, sh_va_start, sh_va_arg): New.
18831 * sh.h (BUILD_VA_LIST_TYPE): New.
18832 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
18834 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
18836 * recog.h (struct recog_data): Make dup_num, operand_address_p,
18837 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
18838 (struct insn_data): Likewise with n_operands, n_dups,
18839 n_alternatives, output_format.
18840 * regclass.c (scan_one_insn): Cast n_operands to int before
18841 arithmetic inside comparison.
18843 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
18845 * toplev.c (compile_function): Unconditionally emit nop.
18847 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18849 * haifa-sched.c (actual_hazard): Move declaration of variable
18850 `this_cost' into the scope where it is used.
18852 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18854 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
18855 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
18856 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
18858 * genrecog.c (make_insn_sequence): Call memset, not bzero.
18860 * jump.c (find_insert_position): Don't declare or define unless
18861 !HAVE_conditional_arithmetic.
18862 (returnjump_p_1, delete_prior_computation): Add static prototypes.
18864 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
18866 * recog.c (offsettable_address_p): Prototype function pointer.
18867 (preprocess_constraints): Call memset, not bzero.
18869 * tree.c (tree_node_kind_names): Constify a char*. Make static.
18870 (gcc_obstack_init): Don't declare.
18871 (fix_sizetype): Add static prototype.
18872 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
18873 (tree_cons): Call memset, not bzero.
18875 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
18876 definition in macro ASM_WEAKEN_LABEL.
18877 (mark_const_hash_entry): Add static prototype.
18879 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18881 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
18883 * unroll.c (find_common_reg_term, subtract_reg_term,
18884 loop_find_equiv_value): Add static prototypes.
18885 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
18886 (copy_loop_body): Remove unreachable break statement.
18888 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
18890 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
18892 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18894 Undo some changes from the gcc2 merge:
18895 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
18896 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
18900 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
18901 * emit-rtl.c (gen_lowpart_common): Disable optimization of
18902 initialized float-int union if the value is a NaN.
18904 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
18906 * gthr-win32.h: New file.
18908 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
18909 shared as a valid attribute.
18910 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
18911 * extend.texi: Document `shared' variable attribute.
18913 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
18915 * configure.in: Handle --enable-threads on FreeBSD.
18916 * configure: Rebuit.
18918 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
18920 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
18922 * configure: Rebuilt.
18924 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
18925 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
18926 Rosimildo DaSilva <rdasilva@connecttel.com>
18928 * configure.in (m68k-*-rtemscoff*): Added.
18929 * configure.in (mips64orion-*-rtems*): Converted to ELF.
18930 * configure.in (sparc-*-rtemsaout*): Added as alias for old
18931 sparc-rtems configuration.
18932 * configure.in (sparc-*-rtemself*): Added.
18933 * configure.in (sparc-*-rtems*): Now ELF not a.out.
18934 * config/i386/rtems.h: Added comment.
18935 * config/sparc/rtemself.h: New file.
18937 * configure.in (m68k-rtemself): Added.
18938 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
18939 and DWARF_DEBUGGING_INFO.
18940 * config/m68k/crti.s: New file.
18941 * config/m68k/crtn.s: New file.
18942 * config/m68k/t-crtstuff: New file.
18943 * config/m68k/rtemself.h: New file.
18945 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
18946 global ctor/dtor and C++ exception handling.
18947 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
18948 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
18950 * config/i386/t-rtems-i386: New File.
18952 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
18954 * stmt.c (expand_end_case): Return right away if the case stack is
18957 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
18959 * Makefile.in (version.c): Remove rule incorrectly brought in from
18962 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
18964 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
18965 * msdos/top.sed: Take into account a prepended $(SHELL) to
18967 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
18969 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
18971 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18973 * regmove.c (fixup_match_1): Don't change an unchanging register.
18974 (stable_but_for_p): Renamed to:
18975 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
18976 Changed all callers.
18978 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
18980 * loop.c (strength_reduce): Don't call reg_used_between_p if the
18981 insn from BL2 is after the insn from BL.
18983 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
18985 * recog.h (INSN_OUTPUT_FORMAT_*): New.
18986 (struct insn_data): Merge `template' and `outfun' into `output'.
18987 Add `output_format'.
18988 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
18989 (struct data): Remove `outfun'; add `output_format'.
18990 (name_for_index): Remove declaration.
18991 (output_insn_data): Handle output formats.
18992 (process_template): Emit the bare array for @.
18993 (gen_expand, gen_split): Set output_format to NONE.
18994 * output.h (get_insn_template): Declare.
18995 * final.c (get_insn_template): New.
18996 (final_scan_insn): Use it.
18997 * toplev.c (compile_file): Likewise.
18999 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19000 * i860/i860.c (output_delayed_branch): Likewise.
19001 (output_delay_insn): Likewise.
19003 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19005 * rtl.c (obstack_alloc_rtx): Removed.
19007 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19009 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19011 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19013 * i386.c (call_insn_operand): Reject const_int.
19014 (expander_call_insn_operand): Use call_insn_operand.
19016 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19018 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19020 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19022 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19023 Use DImode operation.
19025 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19027 * gcc.c: Include sys/resource.h.
19028 (report_times): New flag.
19029 (execute): If report_times is set, calculate and report the
19030 CPU time consumed by each subprocess.
19032 (rus, prus): New globals.
19033 (option_map): Add --time.
19034 (display_help): Document -time.
19035 (process_command): Set report_times if -time is given.
19036 Turn off -pipe if -time is given.
19038 * invoke.texi: Document new option -time.
19040 * configure.in: Check for getrusage. Check if we have to
19041 prototype getrusage.
19042 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19043 * configure: Regenerate.
19044 * config.in: Regenerate.
19046 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19048 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19051 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19053 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19054 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19055 (nan): Return _thenan_sf or _thenan_df as appropriate.
19056 (L_thenan_sf): Define _thenan_sf.
19057 (L_thenan_df): Define _thenan_df.
19059 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19060 (DPBIT_FUNCS): Add _thenan_df.
19062 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19064 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19067 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19069 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19072 (lang_specific_driver): Don't take a function pointer parameter.
19073 All callers changed.
19075 * gcc.c: Include gcc.h.
19076 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19077 lang_specific_extra_outfiles, fatal): Don't declare.
19078 (multilib_defaults_raw): Constify.
19079 (read_specs): Call memset, rather than bzero.
19080 (main): Call return, not exit.
19081 (lookup_compiler): Call memcpy, not bcopy.
19082 (fatal): Make extern.
19084 * cppspec.c: Include gcc.h.
19085 (lang_specific_driver): Initialize variable `quote'. Constify a
19086 char*. All calls to the function pointer parameter now
19087 explicitly call `fatal'.
19089 * gccspec.c (lang_specific_driver): Include gcc.h.
19091 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19093 * arm.c (note_invalid_constants): Use recog_data.operand_type
19096 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19098 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19101 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19102 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19103 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19104 reload_secondary_in_reload, reload_secondary_out_reload,
19105 reload_secondary_in_icode, reload_secondary_out_icode,
19106 reload_reg_rtx, reload_when_needed): Delete declarations.
19107 (struct reload): New structure.
19108 (rld): Declare new array.
19109 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19110 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19111 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19112 reload_secondary_in_reload, reload_secondary_out_reload,
19113 reload_secondary_in_icode, reload_secondary_out_icode,
19114 reload_reg_rtx, reload_when_needed): Delete definitions.
19116 (whole file): Replace uses of the deleted arrays with uses of rld.
19117 * reload1.c (whole file): Replace uses of the deleted arrays with
19119 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19120 explicit loops, not with bcopy.
19122 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19124 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19125 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19126 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19127 insn_name): Delete and consolidate into new structures.
19128 (insn_operand_predicate_fn): New.
19129 (insn_output_fn): New.
19130 (insn_gen_fn): New.
19131 (struct insn_operand_data): New.
19132 (struct insn_data): New.
19134 (OUT_FCN): Update for insn_data change.
19135 * builtins.c (expand_builtin_strlen): Likewise.
19136 (expand_builtin_memcmp): Likewise.
19137 * combine.c (make_extraction, simplify_comparison): Likewise.
19138 * cse.c (canon_reg, cse_insn): Likewise.
19139 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19140 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19141 (emit_store_flag): Likewise.
19142 * expr.c (convert_move, emit_block_move): Likewise.
19143 (clear_storage, emit_push_insn, expand_increment): Likewise.
19144 (do_store_flag): Likewise.
19145 * expr.h (GEN_FCN): Likewise.
19146 (insn_gen_function): Die.
19147 * final.c (final_scan_insn): Update for insn_data change.
19148 (output_asm_name): Likewise.
19149 * function.c (fixup_var_refs_1): Likewise.
19150 * loop.c (check_dbra_loop): Likewise.
19151 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19152 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19153 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19154 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19155 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19156 * regmove.c (gen_add3_insn): Likewise.
19157 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19158 (find_reloads, find_reloads_address_1): Likewise.
19159 (debug_reload_to_stream): Likewise.
19160 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19161 * stmt.c (expand_end_case): Likewise.
19162 * toplev.c (compile_file): Likewise.
19164 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19165 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19167 * print-rtl.c (insn_name_ptr): Remove declaration.
19168 (get_insn_name): Declare.
19169 (print_rtx): Use it.
19170 * genoutput.c (insn_name_ptr): Remove.
19171 (next_operand_number): New.
19172 (struct operand_data): New.
19173 (null_operand, odata, odata_end): New.
19174 (struct data): Use struct operand_data.
19175 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19176 (get_insn_name): Renamed from name_for_index.
19177 (output_prologue): Define NO_MD_PROTOTYPES.
19178 (output_predicate_decls): Break out from output_epilogue.
19179 Iterate over the operands list.
19180 (output_operand_data): Break out from output_epilogue. Emit
19181 just the operands list.
19182 (output_insn_data): Break out from output_epilogue. Emit just
19184 (output_epilogue): Remove.
19185 (output_get_insn_name): New.
19186 (constraints, op_n_alternatives, predicates, address_p): Die.
19187 (modes, strict_low, seen): Die.
19188 (scan_operands): Take new param `d' instead of writing to
19189 seven global variables.
19190 (compare_operands): New.
19191 (place_operands): New.
19192 (validate_insn_alternatives): Update for struct data change.
19193 (gen_insn): Don't zero or copy 7 global arrays. Update for
19194 scan_operands; call place_operands.
19195 (gen_peephole, gen_expand, gen_split): Likewise.
19196 (main): Update for new output routines.
19198 * genattr.c (insn_name_ptr): Remove.
19199 (get_insn_name): New function.
19200 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19201 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19202 * genrecog.c: Likewise.
19204 * alpha.md (adddi3): Make `pattern' array static.
19206 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19208 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19209 c4x_cpu_version_string): Constify char *.
19210 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19211 c4x_cpu_version_string): Likewise.
19213 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19215 * tree.c (save_tree_status): Revert 10 Sep change.
19216 (restore_tree_status): Likewise. Call obstack_free with NULL
19217 before freeing the obstack proper.
19219 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19221 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19223 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19224 surrounding context.
19226 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19228 * tree.c (type_hash_canon): Put all types in the hash-table, when
19231 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19233 * recog.h (struct recog_data, recog_data): New.
19234 (recog_foo variables): Kill.
19235 * recog.c (recog_operand, recog_operand_loc): Kill.
19236 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19237 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19238 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19239 (recog_data): Define.
19240 (extract_insn): Update all recog_foo references to use recog_data.
19241 (preprocess_constraints, constrain_operands): Likewise.
19242 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19243 * genattrtab.c (main): Likewise.
19244 * genextract.c (main): Likewise.
19245 * genoutput.c: Likewise.
19246 * genrecog.c (write_subroutine, main): Likewise.
19247 * local-alloc.c (block_alloc): Likewise.
19248 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19249 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19250 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19251 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19252 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19253 (reload_cse_simplify_operands): Likewise.
19255 * arc/arc.c (arc_final_prescan_insn): Likewise.
19256 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19257 * h8300/h8300.c (notice_update_cc): Likewise.
19258 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19259 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19260 * mn10200/mn10200.c (notice_update_cc): Likewise.
19261 * mn10300/mn10300.c (notice_update_cc): Likewise.
19262 * romp/romp.c (update_cc): Likewise.
19263 * sparc/sparc.c (check_pic): Likewise.
19264 * v850/v850.c (notice_update_cc): Likewise.
19266 * genemit.c (main): Don't declare recog_operand.
19268 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19270 * ggc.h (rtvec_def): Forward declare.
19271 (tree_node): Likewise.
19272 (ggc_root): Define.
19274 (ggc_set_mark_rtx): Add prototype.
19275 (ggc_set_mark_rtvec): Likewise.
19276 (ggc_set_mark_tree): Likewise.
19277 * ggc-simple.c (ggc_root): Don't define.
19278 (roots): Don't declare.
19279 (ggc_mark_rtx): Remove.
19280 (ggc_mark_rtvec): Likewise.
19281 (ggc_mark_tree): Likewise.
19282 (ggc_mark_varray): Likewise.
19283 (ggc_mark_tree_hash_table_entry): Likewise.
19284 (ggc_mark_tree_hash_table): Likewise.
19285 (ggc_set_mart_rtx): New function.
19286 (ggc_set_mark_rtvec): Likewise.
19287 (ggc_set_mark_tree): Likewise.
19288 (ggc_add_root): Remove.
19289 (ggc_add_rtx_root): Likewise.
19290 (ggc_remove_tree_root): Likewise.
19291 (ggc_add_string_root): Likewise.
19292 (ggc_add_tree_varray_root): Likewise.
19293 (ggc_add_tree_hash_table_root): Likewise.
19294 (ggc_del_root): Likewise.
19295 (ggc_mark_rtx_ptr): Likewise.
19296 (ggc_mark_tree_ptr): Likewise.
19297 (ggc_mark_string_ptr): Likewise.
19298 (ggc_mark_tree_varray_ptr): Likewise.
19299 (ggc_mark_tree_hash_table_ptr): Likewise.
19300 * ggc-common.c: New file.
19301 * Makefile.in (OBJS): Add ggc-common.o.
19302 (ggc-common.o): List dependencies.
19304 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19306 * cppalloc.c (xstrdup): Use memcpy.
19307 * cpperror.c (cpp_print_containing_files): Don't use
19309 * cpplib.c (conditional_skip): Set temp->lineno.
19310 (do_endif): Make error message less obscure.
19311 (if_directive_name): New function.
19312 (cpp_get_token [case EOF]): Unwind the if stack and generate
19313 error messages for each unterminated conditional in this file.
19314 (parse_string): Do not behave differently if -traditional.
19316 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19318 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19319 va_list decomposing to pointer-type.
19320 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19321 (rs6000_va_arg): Likewise.
19323 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19325 * except.c (start_dynamic_handler): Compute size using
19326 STACK_SAVEAREA_MODE.
19328 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19330 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19331 include directory headers. Don't define strrchr. Don't provide
19332 my_* replacement functions. Prefer PTR over `pointer_type'.
19333 Don't prototype system functions. Don't redefine getopt.
19335 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19336 safe_read, safe_write, save_pointers, restore_pointers,
19337 is_id_char, in_system_include_dir, directory_specified_p,
19338 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19339 find_corresponding_lparen, referenced_file_is_newer,
19340 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19341 process_aux_info_file, identify_lineno, check_source,
19342 seek_to_line, forward_to_next_token_char, output_bytes,
19343 output_string, output_up_to, other_variable_style_function,
19344 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19345 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19346 find_static_definition, connect_defs_and_decs, add_local_decl,
19347 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19348 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19349 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19350 scan_for_missed_items, edit_file, string_list_cons): Add static
19352 (standard_exec_prefix, target_machine, target_version,
19353 default_syscalls_dir, string_list, string_list_cons, find_file,
19354 do_cleaning): Constify a char*.
19355 (safe_read, safe_write): Use PTR, not a char*.
19356 (is_id_char): Take an int, not a char.
19357 (main): Add prototype. Call return, not exit.
19359 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
19361 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
19362 when comparing types.
19364 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
19366 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
19367 (strength_reduce): Release the varrays from the no-bivs early exit.
19369 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
19370 the loop over the registers.
19372 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
19374 (restore_tree_status): Check that instead when freeing the obstack.
19376 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
19378 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
19381 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19383 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
19384 operand size modifiers.
19386 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19388 * c-common.c (c_common_nodes_and_builtins): Don't build
19390 * c-common.h (enum c_tree_index and related accesor macros): Remove
19391 everything now declared in tree.h.
19392 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19393 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
19394 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
19395 (error_mark_node, void_type_node, char_type_node, integer_type_node,
19396 unsigned_type_node, ptr_type_node, va_list_type_node,
19397 integer_zero_node, null_pointer_node, integer_one_node): Delete.
19398 (init_decl_processing): Call build_common_tree_nodes and
19399 build_common_tree_nodes_2 instead of building their nodes here.
19400 Don't add roots for these nodes.
19401 * stor-layout.c (size_zero_node, size_one_node): Delete.
19402 (set_sizetype): Make a new node for bitsizetype each time.
19403 * tree.c (global_trees): New variable.
19404 (init_obstacks): Add a gc root for it.
19405 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19406 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
19407 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
19408 (build_common_tree_nodes): New function.
19409 (fix_sizetype): New function.
19410 (build_common_tree_nodes_2): New function.
19411 * tree.h (enum tree_index): New.
19412 (global_trees): Declare.
19413 Add accessor macros for all nodes now moved to global_trees.
19414 Delete their declarations.
19416 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
19418 * c-decl.c (finish_function): When processing a nested function,
19419 push and pop GC context around rest_of_compilation.
19421 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
19423 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
19424 Default ix86_arch to PROCESSOR_I386.
19425 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
19426 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
19427 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
19428 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
19429 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
19430 (EXTRA_SPECS): Remove deleted specs.
19432 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
19434 * function.c (assign_stack_local_1): Allocate from
19435 function->x_frame_offset, not frame_offset.
19437 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
19439 * ggc.h (lang_cleanup_tree): Remove.
19440 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
19441 * ggc-callbacks.c (lang_cleanup_tree): Remove.
19443 * c-decl.c (finish_struct): Use ggc_alloc to allocate
19444 TYPE_LANG_SPECIFIC when garbage collecting.
19445 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
19446 (lang_cleanup_tree): Remove.
19448 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19450 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
19451 * crtstuff.c: Not here.
19452 * dwarf2out.c: Or here.
19453 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
19456 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
19458 * function.h (free_after_compilation): Remove decl parameter.
19459 (free_varasm_status0: Likewise.
19460 (free_emit_status): Likewise.
19461 (free_stmt_status): Likewise.
19462 (free_after_compilation): Likewise.
19463 (init_lang_status): New variable.
19464 (free_lang_status): Likewise.
19465 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
19466 * function.c (init_lang_status): New variable.
19467 (free_lang_status): Likewise.
19468 (push_function_context_to): Don't set function::decl here.
19469 (free_after_copmilation): Make decl parameter implicit. Call
19470 free_lang_status if defined.
19471 (prepare_function_start): Call init_lang_status if defined.
19472 (init_function_start): Set function::decl here.
19473 * profile.c (output_func_start_profiler): Don't call pushdecl
19474 until we've actually started the function.
19475 * stmt.c (free_stmt_status): Make decl parameter implicit.
19476 * toplev.c (rest_of_compilation): Don't pass decl to
19477 free_after_compilation.
19478 * varasm.c (free_varasm_status): Likewise.
19480 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19482 * except.c (call_get_eh_context): Add root when allocating static
19485 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
19487 * arm.c: Include "ggc.h".
19488 (arm_add_gc_roots): New function.
19489 (arm_override_options): Call it.
19490 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
19492 * arm.md (define_asm_attributes): Add a pool_range attribute.
19494 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
19496 * extend.texi (Volatiles): New node.
19498 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
19500 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
19501 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
19502 (struct ggc_any): Replace `mark' with `magic_mark'.
19503 (ggc_alloc_string): Use memcpy, not bcopy.
19504 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
19505 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
19506 (ggc_free_any): New.
19507 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
19508 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
19509 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
19510 Use IS_MARKED. Use ggc_free_any.
19512 1999-09-09 Scott Bambrough <scottb@netwinder.org>
19514 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
19516 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
19518 * toplev.c (main): Always init_ggc.
19520 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
19522 * except.c (find_all_handler_type_matches): Free the list if
19523 we found no matches.
19525 * combine.c (SUBST): Break out to a real function do_SUBST.
19526 (SUBST_INT): Likewise.
19527 * gcse.c (free_pre_mem): Free `temp_bitmap'.
19528 (pre_insert): Free `inserted'.
19529 * loop.c (basic_induction_var): Always set `location'.
19531 * function.c (expand_function_end): Add initial_trampoline as a root.
19532 * rtl.h (init_varasm_once): Declare.
19533 * toplev.c (compile_file): Call it.
19534 * ggc-simple.c (ggc_mark_string_ptr): New.
19535 (ggc_add_string_root): New.
19536 (ggc_collect): Disable collection avoidance temporarily.
19537 * ggc.h (ggc_add_string_root): Declare.
19538 * except.c (create_rethrow_ref): Use ggc_alloc_string.
19539 * optabs.c (init_libfuncs): Likewise.
19540 * varasm.c (named_section): Use ggc_alloc_string.
19541 (make_function_rtl): Likewise.
19542 (make_decl_rtl): Likewise.
19543 (assemble_static_space): Likewise.
19544 (assemble_trampoline_template): Likewise.
19545 (output_constant_def): Likewise.
19546 (force_const_mem): Likewise.
19547 (mark_const_hash_entry): New.
19548 (mark_pool_sym_hash_table): New.
19549 (mark_varasm_state): Use it.
19550 (init_varasm_once): New.
19552 * expr.h (init_one_libfunc): Declare.
19553 * optabs.c (init_one_libfunc): New.
19554 (init_optabs): Use it.
19555 * config/gofast.h: Likewise.
19556 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
19557 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
19559 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19561 * Makefile.in (cppexp.o): Depend on cpphash.h.
19562 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
19564 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
19565 * cpplib.c (do_define): Generalise to handle poisoned definitions,
19566 redefining poisoned identifiers, etc.
19567 (do_undef): Don't allow poisoned identifiers to be undefined.
19568 (do_pragma): Add #pragma poison.
19569 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19571 * cccp.c: Add T_POISON node type.
19572 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
19574 (do_define): Generalise to handle poisoned definitions,
19575 redefining poisoned identifiers, etc.
19576 (do_undef): Don't allow poisoned identifiers to be undefined.
19577 (do_pragma): Add #pragma poison.
19578 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19580 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
19581 * c-pragma.h: Add ps_poison state. We now always have generic
19584 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
19586 * ggc.h (ggc_alloc): New function.
19587 (ggc_mark): Likewise.
19588 * ggc-simple.c (ggc_any): New structure.
19589 (ggc_status): Add anys.
19590 (n_anys_collected): New variable.
19591 (ggc_alloc): Define.
19592 (ggc_mark): Likewise.
19593 (ggc_collect): Collect the anys.
19595 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19597 * c-decl.c (mark_binding_level): Make static to match prototype.
19599 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
19601 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
19603 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
19605 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
19606 will use into account. Expand the max width to 5.
19609 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
19611 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
19612 for the rtx length.
19614 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
19616 * alpha.md (call value patterns): Remove the result predicates.
19618 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
19620 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
19623 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19625 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
19626 changed from extern char *, to extern PTR. Also fix typo in
19627 NEED_DECLARATION_REALLOC test.
19629 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
19631 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19633 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
19634 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
19635 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
19636 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
19638 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
19640 * cccp.c (pcfinclude): Likewise.
19642 * global.c (allocno_compare): Likewise.
19644 * haifa-sched.c (rank_for_schedule): Likewise.
19646 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
19648 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
19650 * stupid.c (stupid_reg_compare): Likewise.
19652 * tree.c (_obstack_allocated_p): Likewise.
19654 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
19656 1999-09-08 Bruce Korb autogen@linuxbox.com
19658 * Makefile.in: Give the hapless gperf user a hint about
19659 why "gperf -F" fails.
19661 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
19663 * lists.c: Include ggc.h.
19665 (init_EXPR_INSN_LIST_cache): Install it.
19667 * ggc-simple.c (init_ggc): Absorb the old init.
19668 (ggc_push_context): Use xcalloc.
19669 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
19670 (ggc_collect): Add [rvts] tags to the collection stats.
19672 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
19674 * cccp.c (main): Fix handling of -include and -imacros options.
19676 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
19678 * cpplib.c (cpp_push_buffer): Fix order of arguments.
19680 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19682 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
19685 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19687 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
19688 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
19689 and SET_DEST. Update comment.
19691 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19693 * config/c4x/c4x.c: Include ggc.h.
19694 (c4x_add_gc_roots): New function.
19695 (c4x_override_options): Call c4x_add_gc_roots.
19697 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
19699 * defaults.h (TARGET_ESC): Move ...
19700 * system.h: ... here, where Linas had it in the first place. Silly me.
19702 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
19704 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
19705 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
19706 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
19707 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
19708 * defaults.h (TARGET_ESC): Add default.
19710 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
19712 * configure.in: add i370-*-openedition, i370-*-mvs and
19713 i370-*-linux targets
19715 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
19717 * dsp16xxx.c: Include ggc.h
19718 (override_options): Mark GC roots.
19719 * mn10200.c: Include ggc.h.
19720 (asm_file_start): Mark GC roots.
19721 * tahoe.c: Include ggc.h.
19722 (extensible_operand): Mark GC roots.
19724 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
19726 * README: Add section discussing status of ELF ABI.
19727 * i370.c: Fix misc spelling mistakes.
19728 (i370_label_scan): Updated notes, exception handling.
19729 (i370_function_prolog): Simplify ELF stack handling.
19730 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
19731 (STACK_GROWS_DOWNWARD): ELF stack grows down.
19732 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
19733 * i370.md: (movdi): Add notes.
19734 (floatsidf2): Use stack not rtca for scratch float area.
19735 (iorsi3): Correct operand constraints.
19736 * x-oe: Restore TAROUTOPTS which are used by pax.
19738 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
19740 * rs6000.c: Include ggc.h.
19741 (rs6000_add_gc_roots): New function.
19742 (override_options): Call it.
19744 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
19746 * alpha.h (alpha_compare): New.
19747 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
19748 * alpha.c: Likewise for the definitions.
19749 (alpha_emit_conditional_branch): Update for alpha_compare.
19750 (alpha_emit_conditional_move): Likewise.
19751 * alpha.md (cmpdf, cmpdi): Likewise.
19752 (setcc patterns): Likewise. Zero alpha_compare after use.
19753 (sne): Optimize (x != 0) into (0U < x).
19755 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
19757 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
19758 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
19759 (INIT_EXPANDERS): Remove.
19760 * alpha.c: Include ggc.h.
19761 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
19762 (alpha_init_machine_status, alpha_mark_machine_status): New.
19763 (override_options): Install them.
19764 (struct machine_function): Moved to alpha.h.
19765 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
19766 (alpha_init_expanders): Remove.
19767 (alpha_return_addr): Adjust to use current_function->machine.
19768 (alpha_ra_ever_killed): Likewise.
19769 (alpha_expand_epilogue): Likewise.
19770 * alpha.md (eh_epilogue): Likewise.
19772 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
19773 Melissa O'Neill <oneill@cs.sfu.ca>
19774 Geoffrey Keating <geoffk@cygnus.com>
19776 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
19777 call-used registers (call-saved registers must still be contiguous
19778 and end with r31, of course).
19780 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
19782 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
19783 (self_promoting_type_p): Delete.
19784 (self_promoting_args_p): Move ...
19785 * c-common.c: ... here.
19786 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
19787 (simple_type_promotes_to): New.
19788 * builtins.c (lang_type_promotes_to): New.
19789 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
19790 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
19791 * c-common.h: ... here.
19792 (self_promoting_args_p, simple_type_promotes_to): Declare.
19793 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
19794 (grokdeclarator): Likewise.
19795 * tree.h (lang_type_promotes_to): Declare.
19797 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
19799 Add some machine-dependent GC roots.
19800 * sparc.c: Include ggc.h.
19801 (sparc_add_gc_roots): New function.
19802 (mark_ultrasparc_pipeline_state): Likewise.
19803 (override_options): Call sparc_add_gc_roots.
19804 * pa.c: Include ggc.h.
19805 (pa_add_gc_roots): New function.
19806 (mark_deferred_plabels): Likewise.
19807 (override_options): Call pa_add_gc_roots.
19808 * mips.c: Include ggc.h.
19809 (mips_add_gc_roots): New function.
19810 (override_options): Use it.
19812 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19814 * cpperror.c (cpp_file_line_for_message): Constify a char*.
19816 * cppexp.c (parse_number, parse_charconst, cpp_lex,
19817 cpp_parse_expr): Add static prototypes.
19818 (parse_charconst): Don't cast away const-ness.
19819 (token): Constify a char*.
19821 * cppfiles.c (file_name_list, include_hash, find_include_file,
19822 finclude, initialize_input_buffer): Constify a char*.
19823 (file_cleanup, find_position): Add static prototypes.
19825 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
19826 collect_expansion): Add static prototypes.
19827 (cpp_install, create_definition, monthnames): Constify a char*.
19829 * cpphash.h (cpp_install): Likewise.
19831 * cppinit.c (known_suffixes, default_include,
19832 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
19833 (base_name, dump_special_to_buffer, initialize_dependency_output):
19834 Add static prototypes.
19836 * cpplib.c (my_strerror): Constify a char*.
19837 (null_underflow, null_cleanup, skip_comment, copy_comment,
19838 copy_rest_of_line, handle_directive, pass_thru_directive,
19839 get_directive_token, read_line_number, cpp_print_file_and_line,
19840 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
19841 v_cpp_warning_with_line, detect_if_not_defined,
19842 consider_directive_while_skipping): Add static prototypes.
19843 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
19844 cpp_pedwarn_with_file_and_line): Constify a char*.
19846 * cpplib.h (cpp_options, include_hash, progname, definition,
19847 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
19848 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
19849 find_include_file, deps_output, include_hash): Constify a char*.
19851 * cppmain.c (progname): Constify.
19852 (main): Add prototype. Use return, not exit.
19854 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
19855 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
19856 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
19857 check_protection): Add static prototype.
19859 (progname, recognized_macrom, recognized_extern): Constify a char*.
19860 (main): Add prototype.
19862 * gen-protos.c (progname): Constify a char*.
19864 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
19866 * emit-rtl.c (free_emit_status): Take decl as a parameter.
19867 (init_emit_once): Add more GC roots.
19868 * except.c (mark_func_eh_entry): New function.
19869 (mark_eh_node): Mark false_label and rethrow_label.
19870 (init_eh): Add more GC roots.
19871 * function.c (free_after_compilation): Take decl as a paramter.
19872 Call free_stmt_status.
19873 (mark_function_state): Don't assume x_parm_reg_stack_loc is
19875 * function.h (free_after_compilation): Change prototype.
19876 (free_varasm_status): Likewise.
19877 (free_emit_status): Likewise.
19878 (free_stmt_status): New function.
19879 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
19880 Remove, replacing with ...
19881 (ggc_status): New structure.
19882 (ggc_chain): New variable.
19883 (init_gcc): Define.
19884 (ggc_push_context): New function.
19885 (ggc_pop_context): Likewise.
19886 (ggc_alloc_rtx): Adjust for use of ggc_chain.
19887 (ggc_alloc_rtvec): Likewise.
19888 (ggc_alloc_tree): Likewise.
19889 (ggc_alloc_string): Likewise.
19890 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
19891 (ggc_mark_tree): Give language-dependent code a chance to mark
19893 (ggc_mark_tree_varray): Handle empty arrays.
19894 (ggc_collect): Adjust for use of ggc_chain. Clear
19895 bytes_alloced_since_last_gc.
19896 * ggc.h (ggc_pop_context): New function.
19897 (ggc_push_context): Likewise.
19898 * print-tree.c (print_node): Don't print obstacks when GC'ing.
19899 * stmt.c (free_stmt_status): New function.
19900 (init_stmt_for_function): Clear last_expr_value.
19901 * toplev.c (rest_of_compilation): Always call free_after_compilation.
19902 Conditionalize call to ggc_collect.
19903 (main): Call init_ggc.
19904 * tree.c (push_obstacks): Do the push, even when GC'ing.
19905 (push_obstacks_nochange): Likewise.
19906 (pop_obstacks): Liekwise.
19907 * varasm.c (free_varasm_status): Take decl as a parameter.
19909 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
19911 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
19912 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
19913 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
19914 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
19916 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
19918 * pa/x-pa-mpeix: New file for the MPE port.
19920 * pa/quadlib.asm: New file for long double support.
19922 * configure.in: Add hppa1.0-*-mpeix for MPE port.
19923 * configure: Rebuilt.
19925 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
19927 * final.c (shorten_branches): Fix last change.
19929 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
19931 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
19933 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
19935 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
19938 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19940 * c-aux-info.c (concat): Don't define.
19942 * cccp.c (my_strerror): Likewise. All callers changed to use
19944 (do_include): Call xstrdup, not xmalloc/strcpy.
19945 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
19946 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
19948 * collect2.c (my_strsignal): Likewise. All callers changed to use
19950 (locatelib): Call xstrdup, not xmalloc/strcpy.
19952 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
19954 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
19956 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
19958 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
19960 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
19962 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
19964 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
19966 (find_all_handler_type_matches): Likewise. Don't check return
19968 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
19969 xmalloc, not malloc.
19970 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
19972 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
19973 (init_spec): Call xcalloc, not xmalloc/bzero.
19974 (set_spec): Call xstrdup, not save_string.
19975 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
19976 (find_a_file): Call xstrdup, not xmalloc/strcpy.
19977 (process_command): Call xstrdup, not save_string.
19978 (main): Call xcalloc, not xmalloc/bzero.
19980 * gcov.c (xmalloc): Don't define.
19981 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
19982 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
19983 (output_data): Call xcalloc, not xmalloc/bzero.
19985 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
19987 * mips-tdump.c (xmalloc): Don't define.
19988 (print_symbol): Call xmalloc, not malloc.
19989 (read_tfile): Call xcalloc, not calloc.
19991 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
19992 Don't define. All callers of xfree/my_strsignal changed to use
19993 free/strsignal instead.
19994 (allocate_cluster): Call xcalloc, not calloc.
19996 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
19997 Fix memory leak, free allocated memory.
19999 * prefix.c (translate_name): Call xstrdup, not save_string.
20000 (update_path): Likewise.
20002 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20004 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20005 Don't define. Callers of xfree/savestring2 changed to use
20006 free/concat instead.
20008 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20009 (init_elim_table): Likewise.
20011 * resource.c (init_resource_info): Likewise.
20013 * stupid.c (stupid_life_analysis): Likewise.
20015 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20016 (open_dump_file): Call concat, not xmalloc/strcpy/...
20017 (clean_dump_file): Likewise.
20018 (compile_file): Call xstrdup, not xmalloc/strcpy.
20020 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20022 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20023 * v850.c (v850_va_arg): New.
20025 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20027 * haifa-sched.c: Tidy comments.
20029 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20031 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20032 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20033 $(out_object_file)): Depend on ggc.h.
20034 * c-common.c: Include "ggc.h".
20035 (combine_strings): If doing GC, use ggc_alloc_string.
20036 * c-decl.c: Include "ggc.h".
20037 (ggc_p): Define with value 0.
20038 (mark_binding_level): New function.
20039 (init_decl_processing): Add GC roots.
20040 (mark_c_function_context): New function.
20041 (lang_mark_false_label_stack): New function.
20042 (lang_mark_tree): New function.
20043 (lang_cleanup_tree): New function.
20044 * c-lang.c: Include "ggc.h".
20045 (lang_init): Call c_parse_init.
20046 * c-lex.c: Include "ggc.h".
20047 (check_linenum): If doing GC, don't copy filenames to permanent
20049 * c-parse.in: Include "ggc.h".
20050 (c_parse_init): New function.
20051 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20052 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20054 * except.c (mark_eh_state): Mark more state.
20055 * function.c (mark_function_state): Likewise.
20056 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20057 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20058 * toplev.c (mark_file_stack): New function.
20059 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20060 (main): Add root for input_file_stack.
20062 * i386.c: Include "ggc.h".
20063 (ix86_mark_machine_status): New function.
20064 (override_options): Set mark_machine_status.
20066 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20068 * tree.c (copy_node): Copy node contents also if doing GC.
20070 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20072 * collect2.c (scan_libraries): Fix double-thinko :-).
20074 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20076 * collect2.c (scan_libraries): Fix thinko.
20078 * cse.c (delete_trivially_dead_insns): Do not skip the last
20079 insn if it is a real insn.
20081 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20083 * Makefile.in (ggc-simple.o): Depend on hash.h.
20084 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20085 (ggc_mark_tree_varray): Likewise.
20086 (ggc_mark_tree_hash_table): Likewise.
20087 * ggc-simple.c: Include hash.h.
20088 (ggc_mark_tree_hash_table_ptr): New function.
20089 (ggc_mark_tree_hash_table_entry): Likewise.
20090 (ggc_mark_tree_hash_table): Likewise.
20091 (ggc_add_tree_hash_table_root): Likewise.
20092 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20093 rtx, when defining fields.
20095 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20097 * profile.c (output_func_start_profiler): Remove apparently
20098 nonsensical call to start_sequence.
20100 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20102 * clipper/clipper.c (clipper_va_start): Fix typos.
20104 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20105 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20106 (spur_va_arg): New stub.
20108 * configure.in: Comment out pyramid.
20110 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20112 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20113 don't conflict with the bits that win32, cygwin, and dgux
20116 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20117 Bernd Schmidt <bernds@cygnus.co.uk>
20119 * integrate.c (function_cannot_inline_p): Do not inline
20120 functions with forced labels.
20122 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20123 Bernd Schmidt <bernds@cygnus.co.uk>
20124 Mark Mitchell <mark@codesourcery.com>
20126 * Makefile.in (ggc-simple.o): Depend on varray.h.
20127 (rtl.o): Depend on ggc.h.
20128 (genattrtab.o): Depend on ggc.h.
20129 (print-tree.o): Likewise.
20130 (fold-const.o): Likewise.
20131 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20132 (make_insn_raw): Don't cache insns when GC'ing.
20133 (emit_insn_before): Likewise.
20134 (emit_insn_after): Likewise.
20135 (emit_insn): Likewise.
20136 (start_sequence): Use xmalloc to allocate the sequence_stack.
20137 (end_sequence): Add free to free it.
20138 (gen_sequence): Don't cache insns when GC'ing.
20139 (clear_emit_caches): Don't use sequence_element_free_list.
20140 (init_emit): Use xcalloc, not xmalloc+bzero.
20141 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20142 * function.c (pop_function_context_from): Use free to free the
20143 fixup_var_refs_queue.
20144 (put_reg_into_stack): Allocate it with xmalloc.
20145 * genattrtab.c: Include ggc.h.
20146 (operate_exp): Don't use obstack_free when GC'ing.
20147 (simplify_cond): Likewise.
20148 (simplify_text_exp): Likewise.
20149 (optimize_attrs): Likewise.
20150 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20152 (gencode): Generate a #include for ggc.h.
20153 * ggc-callbacks.c (ggc_p): Define it to zero.
20154 * ggc-none.c (ggc_p): Likewise.
20155 * ggc-simple.c: Include varray.h.
20156 (ggc_mark_tree_varray): New function.
20157 (ggc_add_tree_varray_root): Likewise.
20158 (ggc_mark_tree_varray_ptr): Likewise.
20159 * ggc.h (ggc_p): Declare.
20160 (varray_head_tag): Likewise.
20161 (ggc_add_tree_varray_root): Declare.
20162 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20163 inconsistencies when GC'ing.
20164 * rtl.c: Include ggc.h.
20165 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20166 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20167 (rtx_free): Don't call obstack_free when GC'ing.
20168 * toplev.c (rest_of_compilation): Call ggc_collect after every
20170 * tree.c (push_obstacks): Do nothing, if GC'ing.
20171 (pop_obstacks_nochange): Likewise.
20172 (pop_obstacks): Likewise.
20173 (make_node): Use ggc_alloc_tree when GC'ing.
20174 (copy_node): Likewise.
20175 (get_identifier): Use ggc_alloc_string when GC'ing.
20176 (build_string): Likewise.
20177 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20178 (tree_cons): Likewise.
20179 (build1): Likewise.
20180 (type_hash_canon): Don't call obstack_free when GC'ing.
20182 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20184 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20185 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20187 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20188 Bernd Schmidt <bernds@cygnus.co.uk>
20189 Mark Mitchell <mark@codesourcery.com>
20191 * Makefile.in (stor-layout.o): Depend on ggc.h.
20192 (expr.o): Depend on ggc.h.
20193 (profile.o): Depend on ggc.h.
20194 (stor-layout.o): Depend on ggc.h.
20195 * emit-rtl.c (init_emit_once): Add gc roots.
20196 * expr.c: Include ggc.h.
20197 (emit_block_move): Add gc roots.
20198 (clear_storage): Likewise.
20199 * expr.h (init_stor_layout_once): New function.
20200 * profile.c: Include ggc.h.
20201 (init_arc_profiler): profiler_label is a root.
20202 * scan.c (make_sstring_space): Trust xrealloc to function
20203 correctly with first parameter NULL.
20204 * stor-layout.c: Include ggc.h.
20205 (set_sizetype): Add gc root.
20206 (init_stor_layout_once): New function.
20207 * toplev.c (compile_file): Call it.
20209 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20210 Bernd Schmidt <bernds@cygnus.co.uk>
20211 Mark Mitchell <mark@codesourcery.com>
20213 * Makefile.in (tree.o): Depend on ggc.h.
20214 (varasm.o): Likewise.
20215 (function.o): Likewise.
20216 (stmt.o): Likewise.
20217 (except.o): Likewise.
20218 (optabs.o): Likewise.
20219 (emit-rtl.o): Likewise.
20220 * emit-rtl.c: Include ggc.h.
20221 (sequence_element_free_list): Remove, and all references.
20222 (mark_sequence): New functions.
20223 (mark_emit_state): New function.
20224 * except.c: Include ggc.h.
20225 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20226 (mark_tree_label_node): New functions.
20227 (mark_eh_state): New function.
20228 * function.c: Include ggc.h.
20229 (mark_temp_slot, mark_function_chain): New functions.
20230 (mark_function_state): New function.
20231 (init_function_once): New function.
20232 * function.h (init_function_once): New function.
20233 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20234 * ggc.h (label_node): Declare.
20235 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20236 (lang_mark_false_label_stack): New function.
20237 (mark_temp_slot): Remove declaration.
20238 (mark_function_chain): Likewise.
20239 (mark_eh_state): Adjust prototype.
20240 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20242 * optabs.c: Include ggc.h.
20243 (mark_optab): New function.
20244 (init_optabs): Add gc roots.
20245 * stmt.c: Include ggc.h.
20246 (mark_cond_nesting, mark_loop_nesting): New functions.
20247 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20248 (mark_stmt_state): New function.
20249 * toplev.c (compile_file): Call init_function_once.
20250 * tree.c: Include ggc.h.
20251 (type_hash): Move declaration earlier in file.
20252 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20253 (init_obstacks): Add gc roots.
20254 (mark_type_hash): New function.
20255 * varasm.c: Include ggc.h.
20256 (mark_pool_constant): New function.
20257 (mark_varasm_state): New function.
20259 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20261 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20263 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20265 * c-decl.c (struct language_function): Renamed from struct c_function.
20267 (c_function_chain): Delete.
20268 (push_c_function_context): New arg F. Don't warn about nested
20269 functions here. Fill LANGUAGE elt of F. Delete code to update
20270 c_function_chain. Don't call push_function_context.
20271 (pop_c_function_context): New arg F. Restore from there instead of
20272 from c_function_chain. Don't call pop_function_context. Clear out
20273 LANGUAGE field of F when done.
20274 * c-lang.c: Include "function.h"
20275 (lang_init): Initialize save_lang_status and restore_lang_status.
20276 * c-parse.in (nested_function, nested_function_notype): Warn about
20277 nested functions. Call push_function_context/pop_function_context
20278 instead of the _c_ variants.
20279 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20281 * Makefile.in (c-lang.o): Update dependencies.
20283 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20284 regno_pointer_flag, regno_pointer_align.
20285 (gen_reg_rtx): Use xrealloc to enlarge them.
20286 (free_emit_status): New function.
20287 * function.c (mark_machine_status, mark_lang_status): New variables.
20288 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20289 in some bits from assign_stack_local. All callers changed to use new
20291 (assign_stack_local): Just call assign_stack_local_1.
20292 (free_after_compilation): New function.
20293 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20294 (trampoline_address): Likewise.
20295 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20296 (prepare_function_start): Explicitly clear some more variables.
20297 * function.h (struct function): New elt can_garbage_collect.
20298 (mark_machine_status, mark_lang_status): Declare variables.
20299 (free_after_compilation, free_emit_status, free_varasm_status,
20300 init_varasm_status): Declare functions.
20301 * toplev.c (rest_of_compilation): Call free_after_compilation when
20302 done with the current function.
20303 * varasm.c (free_varasm_status): New function.
20305 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20307 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20308 (EXPAND_BUILTIN_VA_ARG): Define.
20309 * sparc.c (sparc_va_start): New.
20310 (sparc_va_arg): New.
20312 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20314 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20316 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20318 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20320 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20322 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20323 (OBJS): Add $(GGC).
20324 (ggc-callbacks.o): New target.
20325 * ggc-callbacks.c: New file.
20327 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20329 * expr.h: Collapse individual optab and libfunc vars to arrays.
20330 (optab_index, libfunc_index): New enumerations.
20331 (optab_table, libfunc_table): New arrays.
20332 Add accessor macros for both.
20334 * optabs.c (optab_table, libfunc_table): New.
20335 Delete declarations for individual optab and libfunc vars.
20337 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20339 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20341 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20343 * Makefile.in (GGC, GGC_LIB): New.
20344 (HOST_RTL): Include ggc-none.o.
20345 (ggc-simple.o): New target.
20346 (ggc-none.o): Likewise.
20347 * tree.h (tree_common): Add gc_mark.
20348 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20349 (struct rtvec_def): Add gc_mark.
20350 * emit-rtl.c (global_rtl): Update static initializers to contain
20351 enough initializers.
20352 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20353 * toplev.c (gc_time): New variable.
20354 (all_time): New variable.
20355 (compile_file): Print gc time.
20356 (print_time): Calculate percentage of the whole.
20358 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20360 Change obstack memory management and varasm constant pool handling so
20361 that nested functions are treated like any other functions.
20362 * function.c (init_machine_status): New variable.
20363 (push_function_context_to): Set contains_functions for the outer
20364 function. Don't call save_varasm_status.
20365 (pop_function_context_from): Don't call restore_varasm_status. Don't
20366 set current_function_contains_functions.
20367 (prepare_function_start): Call init_varasm_status rather than
20368 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
20370 * function.h (struct function) Add field varasm. Delete fields
20371 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
20372 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
20373 (init_machine_status): Declare.
20374 (save_varasm_status, restore_varasm_status): Delete declarations.
20375 (save_tree_status, restore_tree_status): Delete last argument.
20376 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
20377 code. All callers changed.
20378 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
20379 save_constants_in_decl_trees, restore_constants, save_constants,
20380 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
20382 (inlining): New variable.
20383 (reg_map, label_map, insn_map, orig_asm_operands_vector,
20384 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
20386 (save_for_inline_nocopy): Don't save constants.
20387 Don't set inl_emit field in current_function.
20388 (expand_inline_function): Use emit field, not inl_emit, of the inlined
20389 function. Set new variable inlining before
20390 calling copy_rtx_and_substitute.
20391 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
20392 constant pool references if inlining is nonzero.
20393 Delete ADDRESS and (most of the) CONST cases.
20394 (output_inline_function): Save and restore current_function/
20395 current_function_decl. Delete restore_constants code. Don't call
20396 init_const_rtx_hash_table.
20397 * output.h (init_const_rtx_hash_table): Don't declare.
20398 * rtl.h (struct function): Declare.
20399 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
20400 * toplev.c (rest_of_compilation): Don't treat nested functions or
20401 functions containing them specially. Delete all code to deal with
20402 save_for_inline_copying.
20403 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
20404 inline_obstacks): Delete variables.
20405 (save_tree_status): Lose arg CONTEXT. All callers changed.
20406 Simply allocate a new function_maybepermanent_obstack for the new
20407 function, delete all the special cases.
20408 Don't save inline_obstacks.
20409 (restore_tree_status): Lose arg CONTEXT. All callers changed.
20410 Delete special handling for function_maybepermanent_obstack; simply
20412 Don't restore inline_obstacks.
20413 (permanent_allocation): Delete code that frees inline_obstacks.
20414 (print_inline_obstack_statistics): Delete function.
20415 (dump_tree_statistics): Don't call it.
20416 * varasm.c (struct varasm_status): New.
20417 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
20418 last_pool, pool_offset, const_double_chain): Delete global
20419 variables, replace with accessor macros.
20420 (immed_double_const): Don't walk const_double_chain outside a
20421 function, but don't treat nested functions specially anymore.
20422 (immed_real_const_1): Likewise.
20423 (clear_const_double_mem): Don't treat nested functions specially.
20424 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
20425 (save_varasm_status, restore_varasm_status): Delete functions.
20426 (init_varasm_status): New function.
20427 (force_const_mem): Don't treat nested functions specially.
20428 (find_pool_constant): Accept new arg F, search for constants in
20429 that function's pool rather than the current one. All callers
20431 (get_pool_constant_for_function, get_pool_mode_for_function): New
20434 * i386.c (init_386_machine_status): New function, mostly from
20435 clear_386_stack_locals.
20436 (struct machine_functions): Rename element names to avoid name
20438 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
20439 macros, replacing global variables.
20440 (clear_386_stack_locals, save_386_machine_status,
20441 restore_386_machine_status): Delete functions.
20442 (override_options): Initialize init_machine_status.
20443 * i386.h (INIT_EXPANDERS): Delete macro.
20444 (save_386_machine_status, restore_386_machine_status,
20445 clear_386_stack_locals): Delete declarations.
20447 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20449 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
20450 (doloop_begin): Simplify pattern and use emit_jump_insn.
20451 (doloop_end): Simplify pattern, switch operand order,
20452 and use emit_jump_insn.
20454 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20456 * function.h (struct function): Add new element LANGUAGE.
20457 (save_lang_status): Declare new variable.
20458 (restore_lang_status): Likewise.
20459 * function.c (save_lang_status): Define.
20460 (restore_lang_status): Likewise.
20461 (push_function_context_to): Call language-specific save function.
20462 (pop_function_context_from): Call language-specific restore function.
20464 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20466 * i386.md (movsf_1): Check REG_P before use of REGNO.
20467 (movdf_1): Likewise.
20468 (movxf_1): Likewise.
20469 (extendsfdf2): Likewise.
20470 (extendsfxf2): Likewise.
20471 (extenddfxf2): Likewise.
20473 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20475 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
20476 constants into memory.
20477 (c4x_shiftable_constant): New function.
20478 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
20479 (c4x_shiftable_constant): Declare.
20480 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
20481 ashlqi3_noclobber): Add new patterns and associated splitters.
20483 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
20485 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
20486 * dwarf2out.c (dwarf2out_frame_init): Likewise.
20487 * final.c (shorten_branches): Likewise.
20488 * global.c (global_alloc): Likewise.
20489 * haifa-sched.c (build_control_flow): Likewise.
20490 * stmt.c (check_for_full_enumeration_handling): Likewise.
20491 (estimate_case_costs): Likewise.
20493 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
20495 * rtl.h (RTL_CHECKC2): Fix typo in last change.
20497 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
20499 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
20500 (recompute_reg_usage): Likewise.
20501 * rtlanal.c (find_regno_fusage): Likewise.
20503 * rtl.c (rtl_check_failed_code1): New function.
20504 (rtl_check_failed_code2): New.
20505 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
20506 (RTL_CHECKC1, RTL_CHECKC2): New.
20507 (XC*): New accessor macros.
20508 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
20509 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
20510 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
20511 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
20512 (TRAP_*, RANGE_INFO_*): Likewise.
20514 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20516 * Makefile.in (tlink.o): Don't depend on toplev.h.
20518 * collect2.c (c_file, o_file, export_file, import_file, ldout,
20519 output_file, nm_file_name, ldd_file_name, strip_file_name,
20520 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
20521 add_prefix, prefix_from_env, prefix_from_string, do_wait,
20522 fork_execute, maybe_unlink, add_to_list,
20523 extract_init_priority, write_list, dump_list,
20524 dump_prefix_list, write_list_with_asm, write_c_file,
20525 write_c_file_stat, write_c_file_glob, scan_prog_file,
20526 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
20527 ignore_library, extract_string, notice, dump_file, target_machine,
20528 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
20529 read_file, print_load_command): Constify a char*.
20530 (fdopen, error, fatal, fatal_perror): Don't prototype.
20531 (my_strerror): Remove. All callers use xstrerror instead.
20532 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
20533 (main): Add prototype. Constify lots of char* ptrs. Change calls
20534 to xcalloc/strcpy/strcat/... to one call to concat.
20535 (main, scan_prog_file, scan_libraries): Use an intermediate
20536 `const char **' to build an argv array.
20537 (mapfile, libselect, libcompare, locatelib): Add prototypes.
20539 * collect2.h (collect_execute, collect_wait, dump_file,
20540 file_exists): Constify a char*.
20541 (ldout, c_file_name, temporary_obstack, permanent_obstack,
20542 temporary_firstobj, vflag, debug): Add extern declarations.
20543 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
20545 * tlink.c: Don't include toplev.h.
20546 (vflag, debug, ldout, c_file_name, temporary_obstack,
20547 permanent_obstack, temporary_firstobj): Don't declare.
20548 (tlink_execute, frob_extension, symbol_hash_lookup,
20549 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
20550 recompile_files, read_repo_files, demangle_new_symbols,
20551 scan_linker_output): Constify a char*.
20552 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
20553 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
20555 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
20557 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
20558 (relative) rather than jsr (absolute) subroutine call insns.
20559 * config/m68k/m68k-coff.h: Ditto.
20561 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
20563 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
20564 now rework these too.
20565 (arm_reorg): If an insn can't reach the end of the current pool,
20566 ensure that we emit that pool before the insn.
20568 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
20570 * tlink.c (scan_linker_output): Skip the initial underscore in
20571 a mangled name if appropriate.
20573 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20575 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
20576 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
20577 error_with_ivar, gen_declarator, create_builtin_decl,
20578 my_build_string, generate_descriptor_table, generate_ivars_list,
20579 generate_dispatch_table, check_protocols, TAG_GETCLASS,
20580 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
20581 dump_base_name, lang_decode_option, build_encode_expr,
20582 start_class, finish_class, encode_pointer, really_start_method,
20583 gen_declaration, dump_interface, handle_class_ref, handle_impent):
20585 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
20586 Add static prototypes.
20587 (build_objc_string_decl, build_selector_reference_decl,
20588 encode_bitfield, build_class_reference_decl): Remove unused
20589 parameter, all callers changed.
20590 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
20591 (objc_printable_name): Likewise. Change second parameter to type int.
20592 (init_objc): Use memcpy, not bcopy, to avoid casts.
20594 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
20596 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
20597 reg notes on a deleted insn.
20598 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
20600 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
20602 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
20604 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20606 * stmt.c (expand_asm_operands): Fix index into inout_mode when
20609 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
20611 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
20612 * tm.texi (MD_ASM_CLOBBERS): Document it.
20614 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
20616 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
20617 * except.c (expand_rethrow): Remove unused variable.
20618 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
20619 * flow.c (replace_insns): Likewise.
20620 (create_edge_list, verify_edge_list): Likewise.
20621 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
20623 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
20624 is special code to run.
20625 (main): Don't define operands to emit_operand.
20626 * genrecog.c (main): Don't emit an empty peephole2_insn function.
20628 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
20630 * alpha/alpha.h (normal_memory_operand): Declare.
20631 (reg_no_subreg_operand): Declare.
20632 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
20634 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
20636 * c-parse.in (compstmt_primary_start): New, broken out of first
20637 part of compstmt handling in primary.
20638 (primary): Use it. Add an error clause.
20639 (compstmt_nostart): Renamed from compstmt; remove all
20640 initial invocations of compstmt_start.
20643 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
20645 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
20648 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
20650 * combine.c (simplify_shift_const): Remove extra semicolon.
20651 * dwarf2out.c (remove_AT): Likewise.
20652 * expmed.c (expand_mult): Likewise.
20653 * gcov.c (create_program_flow_graph): Likewise.
20654 * reorg.c (mostly_true_jump): Likewise.
20656 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
20658 * fold-const.c (fold_range_test): Do not try to fold the range
20659 test if the rhs or lhs has side effects.
20661 * combine.c (simplify_rtx): Recognize another case of a synthesized
20664 * varasm.c (mark_constant_pool): When marking indirect references,
20665 only look at SYMBOL_REFs.
20667 * except.c (expand_fixup_region_end): Do not peek at
20668 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
20670 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
20672 * flags.h: New variables align_loops, align_loops_log,
20673 align_jumps, align_jumps_log, align_labels, align_labels_log,
20674 align_functions, align_functions_log.
20675 * toplev.c: Define them.
20676 (f_options): Handle -falign-* when they have no argument.
20677 (main): Add logic to set variables for -falign-functions,
20678 -falign-jumps, -falign-labels, -falign-loops.
20679 Make it -fsched-verbose=<n> and -finline-limit=<n>.
20680 (display_help): Change help to match options.
20681 * final.c (LABEL_ALIGN): Default to align_labels_log.
20682 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
20683 (LOOP_ALIGN): Default to align_loops_log.
20684 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
20685 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
20686 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
20687 * varasm.c (assemble_start_function): Handle align_functions.
20689 * config/sparc/sparc.h: Don't declare sparc_align_*.
20690 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
20691 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
20693 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
20695 * config/sparc/sparc.c: Delete sparc_align_loops,
20696 sparc_align_jumps, sparc_align_funcs and the corresponding string
20698 (sparc_override_options): Default align_functions on ultrasparc.
20699 Delete -malign-* handling.
20701 * config/mips/mips.c (override_options): On 64-bit targets,
20702 try to align code to 64-bit boundaries.
20703 (print_operand): New substitution, %~,
20704 which aligns labels to align_labels_log.
20705 * config/mips/mips.md (div_trap_normal): Use %~.
20706 (div_trap_mips16): Likewise.
20708 (absdi2): Likewise.
20709 (ffssi2): Likewise.
20710 (ffsdi2): Likewise.
20711 (ashldi3_internal): Likewise.
20712 (ashrdi3_internal): Likewise.
20713 (lshrdi3_internal): Likewise.
20714 (casesi_internal): Likewise.
20716 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
20718 Merge new ia32 backend from the branch!
20720 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
20721 See ChangeLog.P2 on new_ia32_branch for details.
20723 * rtl.h (stack_regs_mentioned_p): Delete prototype.
20724 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
20725 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
20726 * i386/gas.h (ASM_FILE_START): Define.
20727 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
20728 for name change of ix86_valid_decl_attribute_p.
20729 (i386_pe_valid_type_attribute_p): Similarly.
20731 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
20733 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
20734 to step through CC modes.
20736 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20738 * regmove.c (fixup_match_1): Don't move INSN in front of P if
20739 it would end up in the shadow of a live flags regsiter.
20741 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20743 * reload1.c: Fix many indentation problems.
20744 * reload.c: Likewise.
20746 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
20748 * alias.c (non_local_reference_p): Constify fmt.
20750 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
20752 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
20754 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
20756 * cse.c (delete_trivially_dead_insns): Do not delete stores to
20757 the internal_arg_pointer.
20759 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
20761 Merge peephole2 from new_ia32_branch:
20762 * Makefile.in (STAGESTUFF): Add *.peephole2.
20763 (mostlyclean): Likewise.
20764 (recog.o): Depend on resource.h.
20766 * final.c (peephole): Conditionalize decl on HAVE_peephole.
20767 (final_scan_insn): Likewise for the invocation of peephole.
20768 * genconfig.c (main): Look for peephole and peephole2 patterns.
20769 Emit HAVE_peephole* accordingly.
20770 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
20771 * flags.h (flag_peephole2): Declare.
20772 * toplev.c: New pass peephole2. New flag -fpeephole2.
20774 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
20775 * gencodes.c (main): Likewise.
20776 * genextract.c (main): Likewise.
20777 * genoutput.c (main): Likewise.
20778 * genemit.c (max_operand_1): Look for the max scratch operand.
20779 (gen_rtx_scratch): New.
20780 (gen_exp): Use it, and pass on new arg subroutine_type.
20781 (gen_expand): Take max scratch into account.
20782 (gen_split): Emit peephole2 functions.
20783 (output_peephole2_scratch): New.
20784 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
20785 * genrecog.c (routine_type): Add PEEPHOLE2.
20787 (make_insn_sequence): Match outer parallel for peep2. Discard
20788 top level scratches and dups.
20789 (add_to_sequence): New args insn_type and top. Update all callers.
20790 Handle toplevel peep2 matching insns.
20791 (write_subroutine): Handle peep2.
20792 (write_tree_1): Likewise.
20793 (write_tree): Likewise.
20795 (change_state): New arg afterward. Update all callers.
20796 Handle matching separate insns.
20797 * recog.c (recog_next_insn): New.
20798 (peephole2_optimize): New.
20799 * rtl.def (DEFINE_PEEPHOLE2): New.
20800 * resource.c (find_free_register): New argument last_insn. Use it
20801 to find a register available through the entire span.
20802 * resource.h (find_free_register): Update prototype.
20804 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
20806 * i386.c (output_strlen_unroll): Don't write xops[7]
20807 label if it wasn't set.
20809 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
20811 * cpplib.c (struct directive): Const-ify name pointer and
20812 function pointer prototype.
20813 (validate_else, do_define, do_line, do_include, do_undef,
20814 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
20815 do_elif, do_endif, do_sccs, do_assert, do_unassert,
20816 do_warning): Const-ify second arg.
20817 (directive_table): Mark const. Reorder entries by frequency
20818 of usage, record statistics.
20820 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
20822 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
20823 bounds- check RTL accesses if --enable-checking.
20824 (RTVEC_ELT): Bounds check if --enable-checking.
20825 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
20826 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
20827 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
20829 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
20830 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
20832 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
20833 (NOTE_SOURCE_FILE): Use X0STR.
20834 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
20835 MEM_ALIAS_SET): Use X0INT.
20836 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
20837 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
20839 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
20840 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
20841 (rtl_check_failed_bounds, rtl_check_failed_type1,
20842 rtl_check_failed_type2, rtvec_check_failed_bounds): New
20844 (fancy_abort): Fix comment.
20846 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
20847 (cse_insn): Decrement LABEL_NUSES for jump target before
20848 deleting jump insn.
20849 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
20850 * final.c (alter_subreg): Compute regno before changing x to
20851 REG; set REGNO(x) after changing it.
20852 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
20853 notes containing CONST_INTs.
20854 (delete_eh_regions): Use NOTE_EH_HANDLER.
20855 * function.c (put_reg_into_stack): Make reg a MEM before
20857 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
20859 (gen_mem_addressof): Make reg a MEM before initializing it.
20860 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
20862 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
20863 deleting an insn, not after.
20864 (block_alloc): Only look at PATTERN(insn) if we have to, and
20865 only if it's format class 'i'.
20866 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
20867 CONST_INT before using its INTVAL.
20868 * print-rtl.c (print_rtx): Use X0STR.
20869 * regmove.c (fixup_match_1): Don't look at PATTERN of
20870 non-class-'i' insn chain elements.
20871 * reload.c (loc_mentioned_in_p): Take address of
20872 in->fld[1].rtx directly.
20873 * reload1.c (reload): Change reg to a MEM before initializing
20875 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
20877 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
20879 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
20881 * config/mips/mips.c (machine_dependent_reorg): Force a
20882 barrier to output the local constant pool if a barrier hasn't
20883 been found at a natural point in the instruction stream.
20885 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20887 * c-parse.in (language_string): Constify.
20889 * dwarf2out.c (language_string): Remove declaration.
20891 * dwarfout.c (language_string): Likewise.
20893 * toplev.c (language_string, init_parse, finish_parse): Likewise.
20895 * tree.h (language_string, init_parse, finish_parse): Declare.
20897 * i386/sun386.h (language_string): Remove declaration.
20899 * mips.h (language_string): Likewise.
20901 * nextstep.h (language_string): Likewise.
20903 * nextstep21.h (language_string): Likewise.
20905 * rs6000.c (language_string): Likewise.
20907 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20909 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
20910 (getpwd.o): Remove target.
20912 * getpwd.c: Delete file. Its in libiberty now.
20914 * dbxout.c (getpwd): Don't prototype.
20915 * dwarf2out.c (getpwd): Likewise
20916 * dwarfout.c (getpwd): Likewise
20917 * final.c (getpwd): Likewise.
20918 * protoize.c (getpwd): Likewise.
20920 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20922 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
20924 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
20926 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
20927 mark_set_resources.
20929 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
20931 * fixinc/Makefile.in (subdir): New.
20932 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
20935 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
20937 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
20938 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
20941 * invoke.texi: Fix typo.
20943 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
20944 changed. Handle autoincrement addressing modes.
20946 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
20947 just like we would the virtual incoming args register when
20950 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
20952 * rs6000.h (ASM_FILE_START): Specify complete filename, including
20953 path, in .file directive.
20955 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
20957 * gcc.texi (External Bugs): Remove obsolete note about Perl on
20960 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
20962 * stdbool.h: Make the typedef name _Bool, with bool a #defined
20965 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20967 * tree.c (tree_code_name): Constify a char*.
20969 * tree.h (tree_code_name, decl_printable_name): Likewise.
20971 * function.h (struct function): Likewise.
20973 * toplev.c (decl_name, decl_printable_name): Likewise.
20975 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
20977 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
20978 (init_objc): Remove function pointer cast.
20980 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
20982 * pa.md (interspace_jump): New pattern.
20983 (builtin_longjmp): New expander.
20985 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
20987 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
20988 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
20989 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
20991 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
20993 * jump.c (delete_prior_computation): Also check calls
20994 to constant functions. Don't bother checking for a
20995 REG_UNUSED note before adding it.
20996 (delete_computation): Handle multi-word hard registers
20997 when synthesizing missing REG_DEAD notes for a register
20998 which is both set and used by an insn.
21000 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21002 * loop.c (this_loop_info): New variable.
21003 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21004 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21006 (prescan_loop, strength_reduce): New argument loop_info. All callers
21008 (scan_loop): New variable loop_info, initialise to address of
21010 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21011 Delete variable loop_has_multiple_exit targets and replace with
21012 field in this_loop_info.
21013 (find_and_verify_loops): Rename this_loop to this_loop_num.
21014 (strength_reduce): Delete loop_iteration_info. Replace variable
21015 loop_info with function argument of same name.
21016 (insert_bct): Rework test for loop being completely unrolled.
21018 * loop.h (struct loop_info): New fields num, loops_enclosed,
21019 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21020 has_indirect_jump, and cont. Redefine use of unroll_number.
21021 (loop_unroll_number): Delete.
21023 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21024 field of loop_info.
21025 (loop_iterations): Delete variable vtop and instead use
21026 loop_info->vtop computed in prescan_loop.
21028 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21030 * fix-header.c (main): Do not pass a null pointer to strcmp.
21032 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21034 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21036 * configure: Rebuilt.
21038 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21040 * jump.c (jump_optimize_1): Do not delete assignments to
21041 internal_arg_pointer.
21042 * cse.c (delete_trivially_dead_insns): Always consider a set of
21043 the internal_arg_pointer live.
21045 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21047 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21048 (update_life_info) [REG_WAS_0]: Search the original insns rather
21049 than the new insns for the note. Fix typos finding note_dest.
21050 If no dest found, discard the note rather than abort.
21051 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21052 (replace_insns): Remove the old insn list after update_life_info
21055 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21057 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21058 sched_analyze_insn.
21059 (sched_analyze_1): Let add_dependence care for not adding dups.
21060 (sched_analyze_2): Likewise.
21061 (add_branch_dependences): Likewise.
21063 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21065 * i386/winnt.c (export_list): New type.
21066 (exports_head): Rename to
21067 (export_head): this.
21068 (i386_pe_record_exported_symbol): Add is_data flag.
21069 (i386_pe_asm_file_end): Emit directive for exported variables.
21070 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21072 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21073 (ASM_DECLARE_OBJECT_NAME): Likewise.
21074 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21075 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21077 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21079 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21081 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21084 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21086 * config/openbsd.h: Define SET_ASM_OP.
21087 * tm.texi: cross-reference SET_ASM_OP in the index.
21089 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21091 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21092 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21093 and class_narrowest_mode at compile time. Kill init_rtl.
21094 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21095 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21096 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21098 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21100 * rtl.h: Declare rtx_length and rtx_format as const.
21101 * machmode.def: Define CC(). Use CC() to define CCmode. If
21102 EXTRA_CC_MODES is defined, expand it here.
21103 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21104 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21105 const. Kill all references to EXTRA_CC_MODES.
21107 * toplev.c: Don't prototype or call init_rtl.
21108 * optabs.c: Don't call init_mov_optab.
21109 * genemit.c: Don't generate init_mov_optab. Don't call
21111 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21113 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21114 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21115 genrecog.c: Don't call init_rtl.
21117 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21118 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21119 definition of EXTRA_CC_MODES.
21121 * md.texi: Kill ref to EXTRA_CC_NAMES.
21122 * tm.texi: Document new way to define EXTRA_CC_MODES.
21124 * genrecog.c: Do not look up the name of a define_split.
21125 (Unrelated bugfix.)
21127 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21129 * config/v850/v850.md: Fix typo introduced by previous delta.
21131 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21133 * gcc.c (fatal): Make definition static to match prototype.
21135 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21137 * combine.c (get_last_value): Don't look for earlier sets if the last
21138 known set is somewhere in between the insns being combined.
21140 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21142 * configure.in: Don't use shell ! to negate exit codes
21143 * configure: Regenerate
21145 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21147 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21148 the fact that ALIGN is measured in bits, not bytes.
21150 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21152 * errors.c: New file; defines functions error, warning, and
21153 fatal, variables have_error and progname.
21154 * errors.h: New file; prototypes and decls for stuff in errors.c.
21156 * Makefile: Add rules to build errors.o and
21157 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21158 genopinit, genrecog, genextract, genpeep, genattr, and
21159 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21160 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21161 genpeep.o, genattr.o, and genoutput.o.
21163 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21164 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21165 define or prototype fatal. Set progname at beginning of main.
21166 * genoutput.c: Likewise, and don't define or prototype error
21169 * c-typeck.c (c_expand_start_case): Return immediately if exp
21171 * fold-const.c (operand_equal_p): Return immediately if arg1
21172 or arg0 are ERROR_MARKs.
21173 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21174 fields of type ERROR_MARK when calculating if the record can
21177 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21178 with much help from Jeffrey A Law and Richard Henderson
21180 * i386.md: In the 6 insns which call output_fix_trunc,
21181 earlyclobber operands[0].
21183 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21185 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21186 creating new registers.
21188 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21190 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21191 i386_reg_alloc_order, i386_regparm_string,
21192 i386_align_loops_string, i386_align_jumps_string,
21193 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21194 and i386_branch_cost_string as type "const char *".
21195 * i386.c: Define all above strings as type "const char *".
21197 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21199 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21200 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21202 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21204 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21205 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21207 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21209 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21210 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21211 (dwarf2out_line, dwarf2out_finish): Likewise.
21212 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21214 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21216 * tree.c (lang_unsave_expr_now) : Correct return type.
21217 * tree.h (lang_unsave_expr_now) : Same.
21219 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21221 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21222 instead of duplicating code.
21224 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21226 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21228 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21230 * tree.h: fancy_abort always takes three args.
21231 * resource.c: Move include of system.h before toplev.h.
21233 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21235 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21238 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21240 * system.h: Don't redefine abort or trim_filename.
21241 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21242 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21243 whether or not __FUNCTION__ is available.
21244 * tree.h: Duplicate rtl.h's definition of abort, for files
21245 that don't include rtl.h. Delete all code to perform type
21246 checking with a compiler other than GCC.
21247 * varray.h: Delete all code to perform type checking with a
21248 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21249 its arguments exactly once, using a statement expression.
21250 Adjust the VARRAY_<type> accessor macros to match.
21251 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21252 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21253 caller's location. Define fatal_insn and fatal_insn_not_found
21254 as macros that use _fatal_insn and _fatal_insn_not_found.
21255 (fancy_abort, trim_filename): Kill prototypes.
21257 * rtl.c (trim_filename): Move here from toplev.c.
21258 (fancy_abort): New function.
21259 (DIR_SEPARATOR): Provide default definition.
21260 * tree.c (tree_check_failed, tree_class_check_failed): Go
21261 through fancy_abort.
21262 (tree_check, tree_class_check, cst_or_constructor_check,
21263 expr_check): Delete.
21264 * varray.c (varray_check_failed): New function.
21265 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21266 _fatal_insn and _fatal_insn_not_found. Go through
21268 (trim_filename, fancy_abort): Delete.
21270 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21271 * except.c (start_catch_handler): Report ICE with error/abort
21273 * final.c (output_operand_lossage): Likewise.
21274 * flow.c (verify_flow_info): Likewise.
21276 * gcc.c: Prototype fatal.
21277 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21278 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21279 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21280 Don't define fancy_abort.
21282 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21284 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21287 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21289 * m88k.h (VERSION_INFO2): Kill.
21290 (VERSION_STRING): Kill.
21292 (VERSION_INFO1): Tidy.
21293 (TARGET_VERSION): Update.
21294 * m88k/dgux.h (VERSION_INFO2): Kill.
21295 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21296 * m88k/luna.h (VERSION_INFO1): Tidy.
21297 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21298 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21299 (output_file_start): Adjust for death of VERSION_STRING.
21301 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21303 * cpplib.c (detect_if_not_defined): New function.
21304 (do_if): Use it to detect potential once-only headers.
21306 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21308 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21310 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21312 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21313 anywere in the function only if they are pseudos and set before
21314 being used (not live at the start of the function).
21315 (num_sign_bit_copies) : Same.
21316 (get_last_value_validate) : Same.
21317 (get_last_value) : Same.
21319 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21321 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21322 where N and M are constant and N is an integer multiple of M.
21324 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21326 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21327 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21328 sbitmap_union_of_preds): Add prototypes.
21329 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21330 the intersection of successors with the new flow graph structures.
21331 (sbitmap_intersection_of_preds): New function to compute the
21332 intersection of predecessors with the new flow graph structures.
21333 (sbitmap_union_of_succs): New function to compute the union of
21334 successors with the new flow graph structures.
21335 (sbitmap_union_of_preds): New function to compute the union of
21336 predecessors with the new flow graph structures.
21337 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21338 (expr_reaches_here_p): Use edge and basic_block structures instead
21339 of s_preds and s_succs.
21340 (compute_cprop_avinout): Use new sbitmap routines.
21341 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21342 of s_preds and s_succs.
21343 * flow.c (compute_flow_dominators): Compute dominators using
21344 edges and basic blocks instead of s_preds and s_succs.
21346 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21348 * lists.c (unused_insn_list, unused_expr_list): New file for
21349 maintaining various types of lists. New statics for maintaining a
21350 cache of available INSN_LIST and EXPR_LIST nodes.
21351 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21352 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21353 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21354 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21355 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
21356 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
21357 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
21358 (free_INSN_LIST_node): Free an individual INSN_LIST node.
21359 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
21360 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
21361 (remove_dependence, free_pending_lists): Use new global routines.
21362 (flush_pending_lists, sched_analyze_insn): Use new global routines.
21363 (sched_analyze, compute_block_backward_dependences): Use new routines.
21364 (sched_analyze_1, sched_analyze_2): Use new routines.
21365 (schedule_insns): Use new global routines.
21366 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
21368 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
21369 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
21371 * toplev.c (rest_of_compilation): Initialize node cache.
21372 * Makefile.in (OBJS): Add lists.o to list of object files.
21373 (lists.o): Add dependancies.
21375 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
21377 * config/v850/v850.md: Fix compile time warning messages.
21378 * config/v850/v850.c: Fix compile time warning messages.
21379 * config/v850/v850.h: Fix compile time warning messages.
21381 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21383 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
21384 Remove unused prototype for `init_lengths'.
21386 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21388 * calls.c (emit_call_1): Mark parameter `stack_size' with
21390 (expand_call): Initialize variable `insn'.
21391 (emit_library_call): Likewise for variable `high_to_save'.
21392 (emit_library_call_value): Likewise.
21393 (store_one_arg): Likewise for variables `lower_bound' and
21396 * combine.c (try_combine): Likewise for variables `i2_code_number'
21397 and `other_code_number'.
21398 (find_split_point): Likewise for variables `pos', `unsignedp' and
21400 (simplify_if_then_else): Likewise for variables `op' and `c1'.
21401 (simplify_and_const_int): Remove unused variable `width'.
21402 (merge_outer_ops): Likewise.
21404 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
21405 HOST_WIDE_INT' when comparing against one.
21406 (simplify_relational_operation): Likewise.
21407 (cse_insn): Initialize variables `src_eqv_volatile',
21408 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
21410 * final.c (init_final): Constify parameter `filename'.
21411 (final_start_function): Mark parameter `optimize' with
21413 (profile_function): Likewise for parameters `first' and `optimize'.
21414 (output_source_line): Likewise for parameter `file'.
21416 * integrate.c (subst_constants): Cast a value to `size_t' when
21417 comparing against one.
21418 (mark_stores): Initialize variable `mode'. Cast a value to
21419 `size_t' when comparing against one.
21421 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
21423 * loop.c (move_movables): Initialize variable `first'.
21424 (strength_reduce): Likewise for variable `increment'.
21425 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
21426 value to `size_t' when comparing against one.
21427 (load_mems): Initialize variable `end_label'.
21429 * output.h (init_final): Constify parameter.
21431 * reload.c (decompose): Initialize variable `base'.
21433 * reload1.c (reload): Likewise for variable `is_scalar'.
21434 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
21435 (choose_reload_regs): Initialize variable `mode'.
21436 (emit_reload_insns): Likewise for variable `store_insn'.
21437 (reload_cse_noop_set_p): Mark parameter `insn' with
21439 (reload_combine): Initialize variable `set'.
21441 * unroll.c (unroll_loop): Likewise for variable `local_label'.
21442 (copy_loop_body): Cast a value to `size_t' when comparing against
21445 * varasm.c (assemble_variable): Initialize variable `size_tree'.
21446 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
21447 (remove_from_pending_weak_list): Mark parameter `name' with
21450 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21452 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
21455 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
21457 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
21458 (ASM_DECLARE_FUNCTION_NAME): Define.
21459 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
21460 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
21461 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
21462 not already defined.
21464 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21466 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
21467 of n_popped when call/call_value are not defined.
21469 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
21471 * tm.texi: GNU CC -> GCC conversion.
21472 (CC1_SPEC): Indicate it is used for all language front ends.
21474 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
21476 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
21477 NOTE_INSN_EH_REGION_END correctly.
21479 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21480 Jeff Law <law@cygnus.com>
21482 * loop.c (strength_reduce): Automatically unroll loops if the
21483 unrolled loop size is smaller than the rolled loop size.
21485 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
21486 and delete comment that code should be rewritten.
21488 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
21490 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
21493 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
21495 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
21497 * fixinc/mkfixinc.sh: Don't fix uwin headers.
21498 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
21499 (LINK_SPEC): Add -u _main when building executables.
21500 (ASM_DECLARE_FUNCTION): Update from Cygwin.
21501 (ASM_FILE_END): Use the default for ix86-pe.
21502 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
21504 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
21506 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
21507 and ASM_CLOSE_PAREN are empty strings.
21509 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
21510 Geoffrey Keating <geoffk@cygnus.com>
21512 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
21513 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
21514 (unprotoize.o): Ditto.
21515 (test-protoize-simple): Don't define STD_PROTO_DIR.
21516 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
21517 changes to make 'test-protoize-simple' pass.
21518 (STD_PROTO_DIR): Remove define.
21519 (STANDARD_EXEC_PREFIX): Supply default define.
21520 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
21521 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
21522 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
21523 (GET_ENV_PATH_LIST): New macro.
21524 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
21525 (do_processing): Initialize default_syscalls_dir using new
21526 macros. Use it to initialize syscalls_absolute_filename.
21528 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
21530 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
21531 B into a register before emit_conditional_move.
21533 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
21535 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
21536 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
21537 multiplicand out of (+ (* a b) (* c d)).
21539 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
21540 Richard Henderson <rth@cygnus.com>
21542 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
21543 (new_insn_dead_notes): Likewise.
21544 (update_n_sets): Likewise.
21545 (update_flow_info): Move to flow.c, renamed to update_life_info;
21546 extend to handle multiple source insns.
21547 * flow.c: Include resource.h
21548 (unlink_insn_chain): New.
21549 (split_hard_reg_notes): New.
21550 (maybe_add_dead_note): New.
21551 (maybe_add_dead_note_use): New.
21552 (find_insn_with_note): New.
21553 (new_insn_dead_notes): New.
21554 (update_n_sets): New.
21555 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
21556 (maybe_remove_dead_notes): New.
21557 (update_life_info): New.
21558 (prepend_reg_notes): New.
21559 (replace_insns): New.
21560 * output.h (update_life_info): Declare.
21561 * recog.c (split_block_insns): Use update_life_info.
21562 * resource.c (find_free_register): Use reg_alloc_order, don't use
21563 fixed regs, make sure the mode is supported, don't use new regs.
21565 * rtl.h (replace_insns): Declare.
21567 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
21569 * expr.c (expand_expr): Cope with COND_EXPRs with one
21570 non-returning branch.
21572 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
21574 * expr.c (store_expr): Always pass down the target, even when not
21577 1999-08-24 Nick Clifton <nickc@cygnus.com>
21579 * configure.in: Define target_cpu_default for v850 targets.
21580 * configure: Regenerate
21582 * config/v850/v850.h (TARGET_CPU_generic): Define.
21583 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
21584 addresses are 4 byte aligned.
21586 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
21589 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21591 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
21592 (main): Add prototypes.
21594 * genattrtab.c (substitute_address, write_const_num_delay_slots,
21595 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
21596 (write_attr_get): Emit prototypes along with function definition.
21597 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
21598 (write_complex_function): Emit static prototype along with
21599 function definition.
21601 * genemit.c (gen_split): Emit prototypes along with function
21604 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
21605 Likewise for predicates and `insn_operand_predicate'.
21606 (process_template): Emit static prototype along with function
21609 * genrecog.c (make_insn_sequence): Constify a char*. Add
21610 prototypes for get_split_*().
21611 (write_subroutine): Emit prototypes along with function
21614 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21616 * gcse.c (find_avail_set): Follow chains of register-register copies.
21617 Use oprs_not_set_p to guarantee that the returned value can be
21619 (cprop_insn): Don't verify the return value of find_avail_set with
21622 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
21623 (cprop_cc0_jump): New function.
21624 (cprop_insn): Break out new function cprop_jump and use it.
21625 Also use cprop_cc0_jump for machines with CC0.
21626 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
21628 * tree.h (current_function_calls_setjmp,
21629 current_function_calls_longjmp): Delete declarations.
21630 * dsp16xx.c: Include "function.h".
21631 * elxsi.c: Likewise.
21632 * gmicro.c: Likewise.
21633 * h8300.c: Likewise.
21634 * i370.c: Likewise.
21635 * m32r.c: Likewise.
21636 * mn10200.c: Likewise.
21637 * mn10300.c: Likewise.
21638 * ns32k.c: Likewise.
21639 * spur.c: Likewise.
21640 * v850.c: Likewise.
21642 * rtl.h (rtx_equal_function_value_matters): Declare.
21643 * toplev.c (rtx_equal_function_value_matters): Don't declare.
21645 * function.c: Likewise.
21646 * emit-rtl.c: Likewise.
21648 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
21650 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
21653 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21655 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
21658 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
21660 * cpp.texi: Add a node documenting macro varargs (copied
21663 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
21665 * cppspec.c: Put a null pointer at the end of the new argv.
21667 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
21669 * configure.in: Remove code to select/de-select the haifa
21670 scheduler. Every scheduled port gets haifa now.
21671 * configure: Rebuilt.
21672 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
21674 * Makefile.in: Corresponding changes.
21676 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21678 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
21679 All callers changed.
21680 (prepare_float_lib_cmp): Likewise.
21681 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
21682 * expr.h (emit_float_lib_cmp): Delete declaration.
21683 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
21684 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
21685 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
21687 (cmptf): Now conditional on TARGET_HARD_QUAD.
21689 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
21691 * resource.c (mark_target_live_regs): Use
21692 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
21694 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21696 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
21698 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
21700 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
21702 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21704 * rtl.h (rtx_format): Constify a char*.
21706 * rtl.c (rtx_format): Likewise.
21707 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
21708 (init_rtl): Use accessor macro, not `rtx_format'.
21710 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
21713 * caller-save.c (mark_referenced_regs): Likewise.
21715 * combine.c (subst, make_compound_operation, known_cond,
21716 gen_rtx_combine, update_table_tick, get_last_value_validate,
21717 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
21719 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
21720 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
21721 count_reg_usage): Likewise.
21723 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
21726 * final.c (leaf_renumber_regs_insn): Likewise.
21728 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
21729 dump_edge_info, count_reg_references): Likewise.
21731 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
21732 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
21735 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
21736 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
21737 add_label_notes): Likewise.
21739 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
21740 clear_struct_flag, count_sub_rtxs, count_alternatives,
21741 compares_alternatives_p, contained_in_p, walk_attr_value,
21742 write_expr_attr_cache): Likewise.
21744 * genconfig.c (walk_insn_part): Likewise.
21746 * genemit.c (max_operand_1, gen_exp): Likewise.
21748 * genextract.c (walk_rtx): Likewise.
21750 * genflags.c (num_operands): Likewise.
21752 * genoutput.c (scan_operands): Likewise.
21754 * genpeep.c (match_rtx): Likewise.
21756 * genrecog.c (add_to_sequence): Likewise.
21758 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
21761 * integrate.c (save_constants, copy_for_inline,
21762 copy_rtx_and_substitute, subst_constants, restore_constants):
21765 * jump.c (mark_jump_label, invert_exp, redirect_exp,
21766 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
21768 * local-alloc.c (contains_replace_regs, memref_referenced_p):
21771 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
21772 add_label_notes, replace_call_address, count_nonfixed_reads,
21773 invariant_p, find_single_use_in_loop, find_mem_givs,
21774 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
21777 * print-rtl.c (reg_names, print_rtx): Likewise.
21779 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
21781 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
21782 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
21783 print_blocks): Likewise.
21785 * regclass.c (fix_register, record_address_regs,
21786 reg_scan_mark_refs): Likewise.
21788 * regmove.c (stable_but_for_p): Likewise.
21790 * reload.c (loc_mentioned_in_p, operands_match_p,
21791 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
21792 copy_replacements, refers_to_regno_for_reload_p,
21793 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
21794 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
21797 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
21798 delete_address_reloads_1, count_occurrences,
21799 reload_cse_mem_conflict_p, reload_combine_note_use,
21800 add_auto_inc_notes): Likewise.
21802 * resource.c (mark_referenced_resources, mark_set_resources):
21805 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
21806 reg_mentioned_p, regs_set_between_p, modified_between_p,
21807 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
21808 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
21809 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
21810 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
21812 * sched.c (sched_analyze_2, attach_deaths): Likewise.
21814 * stupid.c (stupid_mark_refs): Likewise.
21816 * unroll.c (remap_split_bivs): Likewise.
21818 * varasm.c (mark_constants): Likewise.
21820 * a29k/a29k.c (uses_local_reg_p): Likewise.
21822 * alpha/alpha.c (summarize_insn): Likewise.
21824 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
21825 eliminate_lr2ip): Likewise.
21827 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
21829 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
21830 reg_mentioned_in_mem): Likewise.
21832 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
21833 symbolic_reference_mentioned_p): Likewise.
21835 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
21837 * sh/sh.c (regs_used, mark_use): Likewise.
21839 * vax/vax.c (vax_rtx_cost): Likewise.
21841 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21843 * machmode.h (mode_name): Constify a char*.
21845 * rtl.c (mode_name): Likewise.
21847 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
21849 * optabs.c (init_libfuncs): Constify a char*.
21851 * print-tree.c (mode_name): Remove redundant declaration.
21852 (print_node): Use accessor macro, not `mode_name'.
21854 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
21856 (new_spill_reg): Constify a char*.
21858 * tree.c (mode_name): Remove redundant declaration.
21860 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21862 * rtl.c (rtx_name): Constify a char*.
21864 * rtl.h (rtx_name, fix_sched_param): Likewise.
21866 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
21867 (mypr): Use accessor macro, not `rtx_name'.
21869 * genemit.c (print_code): Constify a char*.
21871 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
21873 * genpeep.c (print_code): Constify a char*.
21875 * genrecog.c (print_code): Likewise.
21877 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
21878 end_bb): Add static prototype.
21879 (draw_edge): Constify a char*.
21880 (end_bb): Remove unused parameter.
21882 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
21883 print_block_visualization): Constify a char*.
21885 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
21887 * c-common.c (c_get_alias_set): Update comment.
21889 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
21891 * linux.h (LIB_SPEC): Added.
21893 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21895 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
21897 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
21899 * tree.c (expr_check): Fix typo in last change.
21901 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
21903 * rtl.def (NOTE): Change format to "iuu0n".
21904 (ADDR_DIFF_VEC): Change format to "eEee0".
21905 (ADDRESSOF): Change format to "eit".
21907 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
21908 (RTVEC_ELT): Change to match.
21909 (XVECEXP): Use XVEC and RTVEC_ELT.
21910 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
21911 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
21912 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
21913 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
21914 TRAP_CONDITION, TRAP_CODE): Use XEXP.
21915 (INTVAL): Use XWINT.
21916 (ADDRESSOF_DECL): Use XTREE.
21917 (SET_ADDRESSOF_DECL): Delete.
21918 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
21919 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
21920 ifdefed out since 2.6 at least.
21921 (gen_rtvec_vv): Delete prototype.
21923 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
21925 (copy_most_rtx): Handle 't' format letter.
21926 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
21927 (gen_rtvec_vv): Delete function. All callers changed to use
21928 gen_rtvec_v instead.
21929 * print-rtl.c (print_rtx): Move special casing of NOTEs to
21930 the '0' format letter.
21932 * function.c (gen_mem_addressof): Don't use
21933 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
21935 * integrate.c (copy_rtx_and_substitute): Likewise.
21936 Copy 't' slots with XTREE.
21937 (subst_constants): Treat 't' slots like '[swi]' slots.
21938 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
21939 * jump.c (rtx_equal_for_thread_p): Likewise.
21940 * rtlanal.c (rtx_equal_p): Likewise.
21941 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
21942 only four arguments.
21943 * gengenrtl.c (type_from_format): Provide correct types for
21947 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
21948 If a recent gcc is in use (always in stage2 and beyond), use
21949 statement expressions, so we don't make a function call unless
21950 the check fails. Evaluate arguments exactly once.
21951 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
21952 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
21954 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
21955 they evaluate their arguments exactly once, irrespective of
21956 the compiler in use.
21958 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
21959 is used by the currently-enabled check macros. This is:
21960 (tree_check_failed, tree_class_check_failed): For gcc.
21961 (tree_check, tree_class_check, cst_or_constructor_check,
21962 expr_check): For other compilers.
21964 * gencheck.c: Do not define any *_CHECK1 macros.
21966 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
21967 Mark Mitchell <mark@codesourcery.com>
21969 * c-common.c (c_get_alias_set): Fix support for poitners and
21972 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
21974 * alias.c: Include tree.h.
21975 (nonlocal_reference_p, mark_constant_function): New functions.
21976 * flow.c (life_analysis): Call mark_constant_function.
21977 * rtl.h (mark_constant_function): Declare it.
21979 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
21981 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
21982 unrecognisable switches.
21984 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21986 * loop.c (recombine_givs): Set ix field after sorting.
21987 (recombine_givs): Remove bogus index / giv lockstep looping.
21989 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21991 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
21993 (emit_store_flag_force): Use do_compare_rtx_and_jump.
21994 (do_cmp_and_jump): Formatting fixes.
21995 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
21996 do_compare_rtx_and_jump instead of compare_from_rtx.
21997 (do_compare_rtx_and_jump): New function; mostly copied from
21999 (do_jump_for_compare): Delete.
22000 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22002 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22003 of compare/do_jump_for_compare pairs.
22004 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22005 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22006 compare_from_rtx/do_jump_for_compare pairs.
22007 (do_jump_by_parts_equality): Likewise.
22008 (do_jump_by_parts_equality_rtx): Likewise.
22009 * expr.h (do_compare_rtx_and_jump): Declare.
22010 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22011 that used to be in emit_cmp_insn.
22012 (cmp_available_p): New function.
22013 (prepare_operand): New function.
22014 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22015 to be in emit_cmp_insn.
22016 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22017 parameters to be pointers; don't emit final compare but modify some of
22018 the values pointed to by the args so the caller can perform the
22019 correct comparison.
22020 (expand_binop): Call emit_store_flag_force with signed forms of
22022 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22023 emit_jump_insn pair.
22024 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22025 emit_cmp_and_jump_insn_1. Call emit_queue.
22026 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22028 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22029 jump sets cc0 before deleting it.
22030 * integrate.c (expand_inline_function): Likewise.
22031 * unroll.c (unroll_loop): Similar changes in several places.
22032 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22033 before deleting it.
22035 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22037 * Makefile.in (insn-recog.o): Update dependencies.
22038 * genrecog.c (main): Make generated file include "function.h".
22040 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22042 * cse.c (cse_insn): Call never_reached_warning when a jump is
22043 changed to be unconditional.
22044 * flags.h: Declare warn_notreached.
22045 * flow.c (delete_block): Call never_reached_warning when
22046 a block is deleted.
22047 * jump.c (delete_barrier_successors): Call never_reached_warning
22048 when we delete everything after a BARRIER.
22049 (never_reached_warning): New function.
22050 * rtl.h: Declare never_reached_warning.
22051 * toplev.c (warn_notreached): New variable.
22052 (lang_independent_options): Set warn_notreached
22053 when -Wunreachable-code.
22054 (compile_file): We need line numbers for -Wunreachable-code.
22056 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22058 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22059 * sched.c (insn_unit): Likewise.
22061 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22063 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22065 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22067 * flow.c (create_edge_list): Use xmalloc, not malloc.
22069 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22071 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22072 C-style comments. Do not lose the character before double slash.
22074 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22076 * basic-block.h (struct edge_list): Stucture to maintain a vector
22078 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22079 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22080 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22081 New function prototypes.
22082 * flow.c (create_edge_list): Function to create an edge list.
22083 (free_edge_list): Discards memory used by an edge list.
22084 (print_edge_list): Debug output showing an edge list.
22085 (verify_edge_list): Internal consistency check for an edge list.
22086 (find_edge_index): Function to find an edge index for a pred and succ.
22088 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22090 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22093 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22095 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22097 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22099 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22101 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22103 * toplev.c (rest_of_compilation): Allow machine dependent
22104 reorganisation pass to place information into the RTL dump
22105 file if it so wishes.
22107 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22109 * explow.c (hard_function_value): Use VOIDmode instead of
22111 * stmt.c (expand_return): Likewise.
22112 * stor-layout.c (get_best_mode): Likewise.
22114 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22115 emit call instead of emit_insn call.
22117 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22119 * configure.in: Handle --disable/enable-win32-registry.
22120 * install.texi: Document --disable/enable-win32-registry.
22121 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22122 (WIN32_REGISTRY_KEY): New macro.
22123 * prefix.c: Use to enable/disable win32-specific code.
22124 (lookup_key): Use versioned key.
22125 * configure: Regenerate.
22126 * config.in: Likewise.
22128 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22130 * cpplib.c (read_line_number): New fn, split out of...
22133 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22135 tree.c (lang_unsave_expr_now) : New.
22136 (unsave_expr_now): Call lang_unsave_expr_now.
22137 tree.h (lang_unsave_expr_now) : New.
22139 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22141 * toplev.c (flag_new_exceptions): On by default.
22143 1999-08-13 Michael Meissner <meissner@cygnus.com>
22145 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22147 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22149 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22150 INTEGER_TYPE with precision==1, it's __java_boolean.
22152 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22154 * global.c (prune_preferences): Move some invariants out of the
22157 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22159 * configure.in (alpha*-dec-osf*): Add osf5.
22161 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22163 * configure.in: Rework handling of ARM GNU/Linux slightly.
22164 (arm*-*-linux-gnuoldld): New target.
22165 * configure: Regenerate.
22166 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22167 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22168 * config/arm/linux-oldld.h: New file.
22169 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22170 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22172 * config/arm/linux-elf.h (ASM_SPEC): Define.
22173 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22174 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22175 for 26-bit APCS and old linker.
22176 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22178 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22179 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22180 don't define `arm' or `arm_elf'.
22181 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22182 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22184 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22186 * rtl.texi: Fix typo.
22188 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22190 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22192 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22194 * extend.texi (C++ Signatures): Remove node.
22195 * invoke.texi: Remove discussion of -fhandle-signatures,
22196 signature, sigof, __signature__, and __sigof__.
22198 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22200 * Makefile.in (JAVAGC): Removed.
22202 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22204 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22206 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22208 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22210 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22212 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22213 a register that is already known to be a pointer.
22215 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22217 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22218 * fixinc/inclhack.sh: Regenerated.
22219 * fixinc/fixincl.sh: Regenerated.
22221 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22223 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22224 Fix documentation of -ansi flag to describe its C++ behavior.
22225 Remove bogus reference to GCC 2.9.
22227 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22229 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22230 note if it is non-NULL.
22232 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22234 * except.h (eh_nesting_info): Add new structure defintion.
22235 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22236 (reachable_handlers, update_rethrow_references): Add function
22238 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22239 a rethrow symbol instead of an integer exception region number.
22240 * flow.c (Make_edges): Use new exception nesting routines to determine
22241 which handlers are reachable from a CALL or asynchronous insn.
22242 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22244 (delete_eh_regions): Update rethrow labels, and don't delete
22245 regions which are the target of a rethrow.
22246 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22247 avoid overloading the SYMBOL_REF_USED flag.
22248 (rethrow_symbol_map): Use new rethrow_ref field.
22249 (rethrow_used): Use new rethrow_ref field.
22250 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22251 of an integer. Fix formatting.
22252 (output_exception_table_entry): Use new rethrow_ref field.
22253 (can_throw): Check for EH_REGION_NOTE before deciding
22254 whether a CALL can throw or not.
22255 (scan_region): Call rethrow_used() instead of accessing data structure.
22256 (update_rethrow_references): New function to make sure only regions
22257 which are still targets of a rethrow are flagged as such.
22258 (process_nestinfo): New static function to initialize a handler
22259 list for a specific region.
22260 (init_eh_nesting_info): New function to allocate and initialize
22261 the list of all EH handlers reachable from all regions.
22262 (reachable_handlers): New function to retrieve the list of handlers
22263 reachable from a specific region and insn.
22264 (free_eh_nesting_info): New function to dispose of a list of
22265 reachable handlers.
22267 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22269 * flow.c (split_edge): Set JUMP_LABEL field.
22270 (commit_one_edge_insertion): Set head correctly for insert_before.
22271 When inserting insns, update insn block numbers if allocated.
22273 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22275 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22276 retry_incomplete_types): Add static prototype.
22277 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22278 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22279 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22280 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22281 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22284 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22285 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22287 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22289 * output.h (assemble_name): Constify a char*.
22291 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22292 assemble_variable, assemble_name): Likewise.
22294 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22296 * arm/pe.c (arm_pe_unique_section): Likewise.
22298 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22300 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22302 * i386/interix.c (i386_pe_unique_section): Likewise.
22304 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22306 * i386/winnt.c (i386_pe_unique_section): Likewise.
22308 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22310 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22312 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22314 * pa/pa.c (output_call): Likewise.
22316 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22318 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22320 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22323 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22326 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22328 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22329 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22331 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22333 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22335 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22337 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22339 * tree.h (lang_identify): Constify a char*.
22340 (print_error_function): Add extern prototype. Constify a char*.
22342 * c-lang.c (lang_identify): Constify a char*.
22344 * objc/objc-act.c (lang_identify): Constify a char*.
22346 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22348 * genpeep.c (main): Make generated file include "function.h".
22349 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22351 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22353 * Makefile.in: Update dependencies.
22354 * alias.c: Include "function.h"
22355 * c-decl.c: Likewise.
22356 * caller-save.c: Likewise.
22357 * calls.c: Likewise.
22358 * combine.c: Likewise.
22360 * explow.c: Likewise.
22361 * final.c: Likewise.
22362 * global.c: Likewise.
22363 * graph.c: Likewise.
22364 * local-alloc.c: Likewise.
22365 * loop.c: Likewise.
22366 * optabs.c: Likewise.
22367 * profile.c: Likewise.
22368 * recog.c: Likewise.
22369 * regclass.c: Likewise.
22370 * regmove.c: Likewise.
22371 * reload.c: Likewise.
22372 * reorg.c: Likewise.
22373 * resource.c: Likewise.
22374 * sched.c: Likewise.
22375 * stupid.c: Likewise.
22376 * config/1750a/1750a.c: Likewise.
22377 * config/a29k/a29k.c: Likewise.
22378 * config/arc/arc.c: Likewise.
22379 * config/arm/arm.c: Likewise.
22380 * config/arm/thumb.c: Likewise.
22381 * config/c4x/c4x.c: Likewise.
22382 * config/clipper/clipper.c: Likewise.
22383 * config/convex/convex.c: Likewise.
22384 * config/fx80/fx80.c: Likewise.
22385 * config/i860/i860.c: Likewise.
22386 * config/m68k/m68k.c: Likewise.
22387 * config/m88k/m88k.c: Likewise.
22388 * config/mips/mips.c: Likewise.
22389 * config/pdp11/pdp11.c: Likewise.
22390 * config/pyr/pyr.c: Likewise.
22391 * config/romp/romp.c: Likewise.
22392 * config/sh/sh.c: Likewise.
22393 * config/tahoe/tahoe.c: Likewise.
22394 * config/vax/vax.c: Likewise.
22395 * config/we32k/we32k.c: Likewise.
22396 * config/sparc/sparc.c: Include "function.h".
22397 (mem_min_alignment): Test current_function rather than
22398 regno_pointer_align.
22399 * config/pa/pa.c: Likewise.
22400 (compute_frame_size): Delete declaration of
22401 current_function_outgoing_args_size.
22402 * config/arc/arc.h (current_function_varargs): Delete declaration.
22403 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
22405 * config/i370/i370.h (current_function_outgoing_args_size): Delete
22407 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
22408 current_function_uses_pic_offset_table.
22409 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
22410 of current_function_returns_pointer.
22411 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22412 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22413 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22414 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22415 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22416 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22417 * config/m88k/m88k.c: Include "function.h"
22418 (call_used_regs, current_function_pretend_args_size,
22419 current_function_outgoing_args_size, frame_pointer_needed): Delete
22421 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
22423 * config/mips/mips.h (current_function_calls_alloca): Delete
22425 * config/mn10200/mn10200.h (current_function_needs_context,
22426 rtx_equal_function_value_matters): Delete declarations.
22427 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
22428 flag_pic): Delete declarations.
22429 * config/pa/pa.h (current_function_pretend_args_size,
22430 current_function_decl): Delete declarations.
22431 * config/pa/som.h (current_function_varargs): Delete declaration.
22432 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
22434 * config/pyr/pyr.h (current_function_pretend_args_size,
22435 current_function_args_size, current_function_calls_alloca): Delete
22437 * config/sh/sh.h (current_function_varargs): Delete declaration.
22438 * config/sparc/sparc.h (current_function_outgoing_args_size,
22439 current_function_calls_alloca, current_function_decl): Delete
22441 * config/spur/spur.h (current_function_pretend_args_size,
22442 current_function_calls_alloca): Delete declarations.
22443 * config/v850/v850.c (current_function_outgoing_args_size): Delete
22445 * config/vax/vms.h (current_function_name): Delete declaration.
22446 * gcse.c: Include "function.h".
22447 (current_function_name, current_function_calls_setjmp): Delete
22449 * haifa-sched.c: Include "function.h".
22450 (forced_labels): Delete declaration.
22451 * jump.c: Likewise.
22452 * reg-stack.c: Likewise.
22453 * reload1.c: Likewise.
22454 * genemit.c (main): Make generated file include function.h.
22455 * genoutput.c (output_prologue): Likewise.
22457 * builtins.c (saveregs_value, apply_args_value): Delete variables.
22458 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
22459 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
22460 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
22461 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
22462 macros for some of them.
22463 (emit_filename, emit_lineno): Delete declarations.
22464 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
22465 regno_pointer_* variables through current_function.
22466 (gen_inline_header_rtx): Delete function.
22467 (save_emit_status): Delete function.
22468 (set_new_last_label_num): New function.
22469 (clear_emit_caches): New function.
22470 (restore_emit_status): Just clear last_labelnum and call
22472 (get_last_insn_anywhere): Variable sequence_stack is now accessed
22473 through macro seq_stack.
22474 (add_insn_after): Likewise.
22475 (add_insn_before): Likewise.
22476 (remove_insn): Likewise.
22477 (pop_topmost_sequence): Likewise.
22478 (in_sequence_p): Likewise.
22479 (start_sequence_for_rtl_expr): Likewise.
22480 (start_sequence): Likewise, and likewise for
22481 sequence_rtl_expr/seq_rtl_expr.
22482 (push_topmost_sequence): Likewise.
22483 (end_sequence): Likewise.
22484 (init_virtual_regs): Now takes a "struct emit_status *" argument.
22485 All callers changed. Store into that pointer instead of globals.
22486 (init_emit): Allocate emit elt of current_function.
22487 Changes for sequence_rtl_expr/sequence_stack renaming.
22488 Call clear_emit_caches instead of doing it in-line.
22489 Access regno_pointer_* variables through current_function.
22490 (init_emit_once) Don't clear sequence_stack.
22492 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
22494 (arg_pointer_save_area): Delete declaration.
22495 (finish_expr_for_function): Renamed from init_queue; no longer static.
22496 (init_expr): Don't call init_queue.
22497 (save_expr_status, restore_expr_status): Delete functions.
22498 (expand_expr): Changes to reflect new layout of struct function.
22499 Don't access current_function_check_memory_usage when current_function
22501 * expr.h (forced_labels, save_expr_regs, saveregs_value,
22502 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
22503 current_function_outgoing_args_size, current_function_arg_offset_rtx,
22504 current_function_uses_const_pool, function_call_count,
22505 current_function_uses_pic_offset_table, nonlocal_labels,
22506 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
22507 current_function_check_memory_usage, nonlocal_goto_handler_slots,
22508 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
22510 (finish_expr_for_function): Declare.
22511 * flags.h (current_function_has_nonlocal_label,
22512 current_function_has_nonlocal_goto, current_function_is_thunk,
22513 current_function_has_computed_jump): Delete declarations.
22514 * flow.c (forced_labels): Delete declaration.
22515 * function.c (current_function_pops_args,
22516 current_function_returns_struct, current_function_returns_pcc_struct,
22517 current_function_needs_context, current_function_calls_setjmp,
22518 current_function_calls_longjmp, current_function_has_nonlocal_label,
22519 current_function_has_nonlocal_goto, current_function_is_thunk,
22520 current_function_has_computed_jump, current_function_calls_alloca,
22521 current_function_contains_functions, current_function_returns_pointer,
22522 current_function_epilogue_delay_list, current_function_args_size,
22523 current_function_pretend_args_size, current_function_arg_offset_rtx,
22524 current_function_outgoing_args_size, current_function_varargs,
22525 current_function_stdarg, current_function_args_info, cleanup_label,
22526 current_function_name, current_function_uses_const_pool,
22527 current_function_instrument_entry_exit, current_function_return_rtx,
22528 current_function_uses_pic_offset_table, nonlocal_labels,
22529 current_function_internal_arg_pointer, current_function_cannot_inline,
22530 current_function_check_memory_usage, function_call_count,
22531 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
22532 nonlocal_goto_stack_level, return_label, save_expr_regs,
22533 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
22534 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
22535 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
22536 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
22537 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
22539 (push_function_context_to): Don't save them. Don't call
22540 save_storage_status, save_emit_status or save_expr_status.
22541 (pop_function_context_from): Don't restore them. Don't call
22542 restore_storage_status or restore_expr_status.
22543 (get_func_frame_size): New function.
22544 (get_frame_size): Use it.
22545 (assign_outer_stack_local): Reflect some member name changes in struct
22547 (put_reg_into_stack): Likewise.
22548 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
22550 (fixup_var_refs): Likewise.
22551 (fix_lexical_addr): Likewise.
22552 (trampoline_address): Likewise.
22553 (prepare_function_start): Clear field inlinable of current_function.
22554 (init_function_for_compilation): New function.
22555 (expand_dummy_function_end): New function.
22556 (expand_function_end): Call finish_expr_for_function.
22557 * function.h (struct emit_status): New; fields moved here from struct
22558 function and from global variables. Add accessor macros for some of
22560 (struct expr_status): Likewise.
22561 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
22562 (struct function): Add fields expr and emit, inlinable, inl_emit,
22563 original_arg_vector, original_decl_initial, inl_last_parm_insn,
22564 inl_max_label_num. Add many comments.
22565 Add accessor macros for all elts of struct function that no longer
22566 have a global variable.
22567 (cleanup_label, return_label, frame_offset, tail_recursion_label,
22568 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
22569 stack_slot_list): Delete declarations.
22570 (get_func_frame_size): Declare.
22571 (save_expr_status, restore_expr_status, save_emit_status,
22572 save_storage_status, restore_storage_status): Delete declarations.
22573 (init_virtual_regs): Declare.
22574 * output.h (current_function_pops_args,
22575 current_function_returns_struct, current_function_returns_pcc_struct,
22576 current_function_needs_context, current_function_calls_setjmp,
22577 current_function_calls_longjmp, current_function_calls_alloca,
22578 current_function_has_nonlocal_label, current_function_varargs,
22579 current_function_has_computed_jump, current_function_returns_pointer,
22580 current_function_contains_functions, current_function_args_size,
22581 current_function_pretend_args_size, current_function_stdarg,
22582 current_function_outgoing_args_size, current_function_args_info,
22583 current_function_name, current_function_return_rtx,
22584 current_function_epilogue_delay_list,
22585 current_function_uses_const_pool, current_function_cannot_inline):
22586 Delete declarations.
22587 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
22588 regno_reg_rtx): Delete declaration.
22589 (REGNO_POINTER_FLAG): Delete macro.
22590 * stmt.c (expand_goto): Changes to reflect that some fields in struct
22591 function were renamed.
22592 * stor-layout.c (save_storage_status, restore_storage_status): Delete
22594 * toplev.c: Include "function.h".
22595 (current_function_decl): Delete declaration.
22596 (compile_file): Call init_dummy_function_start and
22597 expand_dummy_function_end around some initializations that need to
22599 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
22600 Call init_function_for_compilation.
22601 * unroll.c: Include "function.h"
22602 (unroll_loop): Access regno_pointer_* variables through
22605 * tree.h (struct tree_decl): Add elt f to saved_insns member.
22606 (DECL_SAVED_INSNS): use it.
22607 (expand_dummy_function_end): Declare.
22608 (init_function_for_compilation): Declare.
22609 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
22610 that it's no longer an INLINE_HEADER.
22611 (expand_call): Likewise.
22612 * integrate.c (finish_inline): Delete function.
22613 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
22614 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
22615 args. Don't generate an INLINE_HEADER rtx, just return the arg
22616 vector. All callers changed.
22617 (save_for_inline_copying): Create a duplicate struct emit_status to
22618 hold the emit state for compiling the current function. Use this and
22619 the other new fields in struct function that are for integration
22620 instead of an INLINE_HEADER.
22621 Use memcpy instead of bcopy.
22622 Store the current struct function in DECL_SAVED_INSNS of fndecl.
22623 (save_for_inline_nocopy): Similar changes, except no new emit_status
22625 (expand_inline_function): Get information from function structure,
22626 not from an inline header rtx.
22627 (output_inline_function): Lose code to extract the necessary
22628 information from an inline header; simply put back the function
22629 structure into current_function. Clear its inlinable elt.
22630 * rtl.def (INLINE_HEADER): Delete.
22631 * rtl.h: Delete all accessors for an INLINE_HEADER.
22632 (gen_inline_header_rtx): Delete declaration.
22633 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
22634 Delete declarations.
22635 (REGNO_POINTER_ALIGN): Delete.
22636 (clear_emit_caches): Declare.
22637 (set_new_last_label_num): Declare.
22639 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
22641 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
22643 * except.c (expand_eh_region_start_for_decl): Always start a new block.
22644 * stmt.c (is_eh_region): Make sure current_function is present, too.
22646 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
22648 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
22649 for 64bit PA targets.
22651 * pa.h (SELECT_SECTION): Define.
22652 * som.h (SELECT_SECTION): Delete.
22654 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22656 * alias.c (init_alias_analysis): Wrap call to
22657 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
22659 1999-08-07 Bruce Korb <autogen@linuxbox.com>
22661 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
22662 <sys/asm.h> contains an asm comment with an apostrophe
22663 * fixinc/inclhack.sh: regen
22664 * fixinc/fixincl.x: regen
22666 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
22668 * function.c (init_function_start): Clear prologue & epilogue.
22669 (prologue_epilogue_contains): New function.
22670 * alias.c (init_alias_analysis): Use it.
22671 * rtl.h (prologue_epilogue_contains): Declare it.
22673 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
22675 * jump.c (onlyjump_p): New function.
22676 * rtl.h: Declare it.
22677 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
22678 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
22680 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
22682 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
22683 to invert loops. Simplify block scanning.
22685 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22687 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
22688 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
22690 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
22692 * config/sparc/liteelf.h: New file to support sparclite-elf target
22693 * config/sparc/t-sp86x: New file to support sparc86x targets
22694 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
22695 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
22696 * configure.in: Support above target triplets
22697 * configure: Regenerated
22699 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
22701 * fixinc/server.c (server_setup): Do not prefix function used as
22702 parameter with `&'.
22704 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
22706 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
22707 Remove fp reg alternatives.
22709 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
22711 * Makefiin (TAROUTOPTS): Kill.
22712 (install-headers-tar): Use "xpf" for tar headerfile extraction
22713 * i370/x-oe (TAROUTOPTS): Delete.
22714 * m68k/x-apollo68 (TAROUTOPTS): Delete.
22715 * m68k/x-hp320 (TAROUTOPTS): Delete.
22716 * m68k/x-hp320g (TAROUTOPTS): Delete.
22717 * gcc.texi: Update bug reporting text.
22719 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22721 * reg-stack.c (change_stack) Fixed problem with negative array index.
22723 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
22725 * extend.texi, install.texi: Fix spelling mistakes.
22727 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
22728 (s-attrtab); No longer try to use pre-made insn-attrtab file.
22729 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
22730 PREMADE_ATTRTAB_MD.
22731 * mips/t-ecoff: Likewise.
22732 * mips/t-elf: Likewise.
22733 * mips/t-mips: Likewise.
22734 * mips/t-osfrose: Likewise.
22735 * mips/t-r3900: Likewise.
22736 * mips/t-svr3: Likewise.
22737 * mips/t-svr4: Likewise.
22738 * mips/t-ultrix: Likewise.
22740 * gcc.texi: Document recommend means to provide software floating
22741 point libraries in libgcc.a
22743 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
22745 * c-lex.c (yylex): We can have a number with no digits.
22747 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
22749 * jump.c (delete_prior_computation): New function, broken
22750 out of delete_computation. Check for side effects with
22751 side_effects_p instead of FIND_REG_INC_NOTE. Handle
22752 multi-word hard registers.
22753 (delete_computation): Use it. Check for side effects with
22754 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
22755 missing REG_DEAD note for a register which is both set and
22758 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
22760 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
22761 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
22762 (ASM_FILE_START): Import _mcount with the right type.
22763 (ASM_DECLARE_FUNCTION_NAME): Define.
22764 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
22765 * pa.c (output_function_prologue): Always emit the function's label
22767 * pa.h (TEXT_SPACE_P): Define.
22768 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
22769 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
22770 * som.h (TEXT_SPACE_P): Delete.
22771 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
22772 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
22774 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
22776 * expr.c (emit_group_load): Allow src to be a CONCAT.
22778 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22780 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
22781 (___mulsi3): Use '!' comment character.
22783 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22785 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
22787 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
22789 * gcc.c: Update URLs and mail addresses.
22790 * gcc.texi: Likewise.
22792 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
22794 * rs6000.c (current_file_function_operand): Return zero for
22796 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
22798 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
22801 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
22803 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
22804 allocate space in the stack frame for the PIC register.
22806 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
22808 * m68k.md (xordi3, anddi3): These patterns are not available on
22811 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
22813 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
22814 (PUT_REAL): Likewise.
22816 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22818 * final.c (shorten_branches): Don't add an alignment for loops
22819 that have no label inside.
22821 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22823 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
22824 prototypes in macro HAVE_cmpstrsi.
22826 * cpplib.c (cpp_get_token): Remove unused label `op3'.
22828 * emit-rtl.c (operand_subword): Remove unused variable
22831 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
22833 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
22835 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
22837 * cpphash.c (macroexpand): Delete leading whitespace when arg
22838 is concatenated before.
22839 (unsafe_chars): Correct test for whether + and - can extend a
22842 * cppinit.c (cpp_start_read): Do dependencies for
22843 -include/-imacros files also.
22845 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
22846 tokenizing non-directive lines.
22847 (cpp_expand_to_buffer): Temporarily disable no-output mode.
22848 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
22851 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
22853 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
22855 * c-lex.c: Sync with C++ frontend.
22856 (linemode): New variable.
22857 (parse_float): imag, conversion_errno, and type are output only.
22858 (yylex): Adjust. Move initial '.' case into main switch.
22860 (handle_generic_pragma): Just deal with tokens.
22861 (readescape): Use ISXDIGIT and ISGRAPH.
22862 * c-parse.in: Add END_OF_LINE token.
22864 * c-lex.c (lang_init): Generalize.
22865 (nextchar): Remove. Replace uses with UNGETC.
22866 (skip_white_space): Handle linemode here. Optimize for cpplib.
22867 (skip_white_space_on_line): Remove.
22868 (extend_token_buffer_to): New fn.
22869 (extend_token_buffer): Use it.
22870 (read_line_number, check_newline): Just deal with tokens.
22871 (token_getch, token_put_back): New fns.
22872 (yylex): Use them. More cpplib optimizations. Simplify.
22874 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22875 Jason Merrill <jason@yorick.cygnus.com>
22877 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
22878 (consume_string): Make this smart about USE_CPPLIB.
22879 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
22880 (yylex): Rewrite to be intelligent about USE_CPPLIB.
22881 Also, clean up cases where we redundantly set token_buffer[0].
22882 (read_line_number): New fn.
22883 (ignore_escape_flag): New variable.
22885 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
22887 * a29k/t-a29kbare: Fix some comments.
22888 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
22889 (FPBIT, DPBIT): Define.
22890 * a29k/t-vx29k: Likewise.
22891 * arc/t-arc: Likewise.
22892 * arm/t-arm-elf: Likewise.
22893 * arm/t-bare: Likewise.
22894 * arm/t-pe: Likewise.
22895 * arm/t-pe-thumb: Likewise.
22896 * arm/t-semi: Likewise.
22897 * arm/t-thumb: Likewise.
22898 * arm/t-thumb-elf: Likewise.
22899 * arm/t-thumb-linux: Likewise.
22900 * h8300/t-h8300: Likewise.
22901 * i960/t-i960: Likewise.
22902 * i960/t-vxworks960: Likewise.
22903 * m32r/t-m32r: Likewise.
22904 * mips/t-ecoff: Likewise.
22905 * mips/t-elf: Likewise.
22906 * mips/t-r3900: Likewise.
22907 * pa/t-pro: Likewise.
22908 * rs6000/t-aix43: Likewise.
22909 * rs6000/t-beos: Likewise.
22910 * rs6000/t-newas: Likewise.
22911 * rs6000/t-ppccomm: Likewise.
22912 * rs6000/t-rs6000: Likewise.
22913 * rs6000/t-winnt: Likewise.
22914 * rs6000/t-xnewas: Likewise.
22915 * rs6000/t-xrs6000: Likewise.
22916 * sh/t-sh: Likewise.
22917 * sparc/t-elf: Likewise.
22918 * sparc/t-sparcbare: Likewise.
22919 * sparc/t-sparclite: Likewise.
22920 * sparc/t-splet: Likewise.
22921 * v850/t-v850: Likewise.
22922 * mn10200/t-mn10200: Fix comments.
22923 * mn10300/t-mn10300: Likewise.
22925 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
22926 dummy operand. Allocate a new pseudo for the dummy operand.
22927 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
22929 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
22931 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
22933 * configure: Rebuilt.
22934 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
22936 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
22938 * recog.c (preproces_constraints): Zero recog_op_alt before
22939 processing the constraints.
22941 * arm.c (typedef minipool_node): Renamed from pool_node.
22942 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
22943 (add_minipool_constant): New function.
22944 (dump_minipool): New function.
22945 (find_barrier): Remove special case for getting the insn size of
22946 an insn that references the constant pool.
22947 (minipool_fixup): New structure.
22948 (push_minipool_barrier): New function.
22949 (push_minipool_fix): New function.
22950 (note_invalid_constants): New function.
22951 (add_pool_constant, dump_table, fixit, broken_move): Delete.
22952 (arm_reorg): Rewrite code to fix up the constant pool into a
22953 series of mini-pools embedded in the insn stream.
22954 (arm_output_epilogue): New function, made mainly from the body
22955 of output_func_epilogue.
22956 (output_func_epilogue): Move insn generation part of epilogue code
22957 to arm_output_epilogue.
22958 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
22959 * arm.md (pool_range): New attribute.
22960 (zero_extendqidi2): Add attribute pool_range.
22961 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
22962 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
22963 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
22964 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
22965 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
22966 (epilogue): New expand.
22967 (epilogue_insn): New insn. Call arm_output_epilogue.
22969 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
22970 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
22972 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
22974 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22976 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
22978 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
22980 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
22982 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
22984 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
22986 * global.c: Fix comment.
22988 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
22990 * gcc.c (access_check): New static function.
22991 (find_a_file): Use it when searching a directory list.
22992 * collect2.c (find_a_file): Don't accept directories found when
22993 searching a directory list.
22995 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
22997 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
22998 function parameters with `&'.
22999 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23001 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23003 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23004 or tidy_fallthru_edge if the last insn in the block is not
23005 an unconditional jump or a simple conditional jump.
23007 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23009 * Makefile.in (c-decl.o): Depends on defaults.h.
23011 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23013 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23015 (CLASS_MAX_NREGS): Likewise.
23017 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23019 * cse.c (cse_insn): Fix dumb thinko in last change.
23021 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23023 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23026 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23028 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23029 test for sizes of passed and declared parameter types.
23031 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23033 * fixincludes: Fix the return type of bsearch, char* -> void*.
23035 * fixinc/inclhack.def: Likewise.
23037 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23039 * invoke.texi (-fdump-translation-unit): New option.
23041 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23043 * expr.h (PROMOTE_PROTOTYPES): Move ...
23044 * defaults.h: ... to here.
23045 * c-decl.c: Include defaults.h instead of expr.h.
23046 * c-typeck.c: Include defaults.h.
23048 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23050 * toplev.h (errorcount): Declare.
23051 (warningcount): Likewise.
23052 (sorrycount): Likewise.
23053 * c-lex.c (errorcount): Don't declare.
23054 * dwarf2out.c (errorcount): Don't declare.
23056 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23058 * config/libgloss.h: Add a note discouraging use with ELF.
23059 * configure.in: Don't use libgloss.h for ELF targets.
23060 Always use_collect2 on a.out targets.
23062 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23064 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23065 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23067 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23069 * loop.c (strength_reduce): When doing biv->giv conversion, update
23070 reg note of NEXT->insn.
23072 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23074 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23076 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23078 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23079 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23080 Ensure expr.h is included.
23081 * c-typecheck.c (convert_arguments): Ditto.
23083 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23085 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23086 * config/convex/convex.h: Ditto.
23087 * config/dsp16xx/dsp16xx.h: Ditto.
23088 * config/fx80/fx80.h: Ditto.
23089 * config/gmicro/gmicro.h: Ditto.
23090 * config/i370/i370.h: Ditto.
23091 * config/i386/i386.h: Ditto.
23092 * config/m32r/m32r.h: Ditto.
23093 * config/m68k/m68k.h: Ditto.
23094 * config/m88k/m88k.h: Ditto.
23095 * config/mips/mips.h: Ditto.
23096 * config/pa/pa.h: Ditto.
23097 * config/pyr/pyr.h: Ditto.
23098 * config/tahoe/tahoe.h: Ditto.
23099 * config/we32k/we32k.h: Ditto.
23101 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23102 based on arch size.
23104 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23106 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23109 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23111 1999-08-02 Richard Henderson <rth@cygnus.com>
23113 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23114 for the register spill block.
23115 (m32r_va_arg): New.
23116 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23117 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23119 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23120 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23121 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23123 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23125 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23126 MAX_WCHAR_TYPE defined in sparc.h.
23127 * config/sparc/linuxaout.h: Likewise.
23128 * config/sparc/linux64.h: Likewise.
23129 Also default to -mvis if CPU is UltraSPARC.
23131 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23133 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23134 (RTX_OK_FOR_OLO10): Likewise.
23135 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23136 %lo(), allow it in addresses...
23137 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23138 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23139 does not make sense.
23140 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23141 (sparc_output_scratch_registers): New function.
23142 (output_function_prologue, sparc_flat_output_function_prologue): Use
23144 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23146 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23147 * configure.in: Add check for .register pseudo-op support in as and
23148 check for offsetable %lo().
23149 * acconfig.h: Add templates for the above checks.
23150 * configure: Regenerate.
23152 1999-08-02 Richard Henderson <rth@cygnus.com>
23154 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23155 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23156 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23158 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23160 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23163 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23165 * config/float-sparc.h: New file.
23166 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23167 sparc-*-linux-gnu and sparc64-*-linux*.
23169 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23171 * rs6000.c (rs6000_va_list): Type is an array.
23172 (rs6000_va_start): Don't doubly adjust for varargs.
23173 (rs6000_va_arg): Evaluate long long GPR adjustment.
23175 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23177 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23178 -maix64 and -maix32.
23179 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23180 LINK_SPEC): Change appropriately.
23181 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23182 (u_short_cint_operand): Likewise.
23183 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23185 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23187 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23189 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23191 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23192 for type promotion.
23193 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23194 (non_add_cint_operand): Likewise.
23195 (logical_operand): Likewise.
23196 (non_logical_cint_operand): Likewise.
23197 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23198 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23199 (rs6000_select_rtx_section): Suppress warning.
23200 (small_data_operand): Suppress warning.
23201 (rs6000_got_register): Suppress warning.
23202 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23203 type, so `J' is generally the wrong constraint for a SImode value;
23205 (andsi3_internal2): Likewise.
23206 (andsi3_internal3): Likewise.
23207 (iorsi3_internal1): Likewise.
23208 (xorsi3_internal1): Likewise.
23210 (movsf_softfloat): Likewise.
23211 (scc insns): Likewise.
23212 (movsi+2): Preserve sign bits of SImode constant.
23213 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23214 (movdf+1): Sign-extend properly.
23215 (movdi_32+1): Sign-extend properly.
23216 (scc insns): Sign-extend properly.
23218 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23221 1999-08-02 Richard Henderson <rth@cygnus.com>
23223 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23224 -mcpu parsing code.
23225 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23226 * alpha.md (all fp insns): Likewise.
23228 1999-08-02 Nick Clifton <nickc@cygnus.com>
23230 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23233 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23235 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23236 pic_load_label generator directly.
23237 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23238 No longer a named pattern.
23240 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23242 * explow.c (force_reg): Call force_operand if X does not
23243 satisfy general_operand.
23245 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23247 * fix-header.c (main): When testing for CONTINUED, use string
23248 equality, not pointer equality.
23250 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23252 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23254 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23256 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23257 that has become an unconditional jump.
23259 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23260 (output_function_epilogue): Similarly.
23262 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23264 * tree.h (init_dummy_function_start): Declare.
23266 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23268 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23269 last_expr_type, last_expr_value, block_start_count, block_stack,
23270 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23271 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23272 dynamically in stmt elt of struct function for each function.
23273 (struct nesting): Rename function_call_count elt to n_function_calls,
23274 target_temp_slot_level to block_target_temp_slot_level. All users
23276 (struct stmt_status): New structure definition.
23277 Add many accessor macros for stmt_status elements which previously
23278 were global variables.
23279 (init_stmt_for_function): Allocate stmt elt for current_function.
23280 Reflect that block_start_count was renamed to
23281 current_block_start_count.
23282 (save_stmt_status, restore_stmt_status): Delete functions.
23283 (preserve_subexpressions_p): Don't access loop_stack when outside
23285 (expand_start_bindings): Reflect that block_start_count was renamed to
23286 current_block_start_count.
23287 (expand_fixup): Likewise.
23288 (expand_decl): Don't access block_stack when outside a function.
23289 (expand_decl_cleanup): Likewise.
23290 (expand_dcc_cleanup): Likewise.
23291 (expand_dhc_cleanup): Likewise.
23292 (expand_anon_union_decl): Likewise.
23293 (set_file_and_line_for_stmt): New function.
23294 (in_control_zone_p): New function.
23296 * function.h (struct function): Add new elt stmt.
23297 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23298 case_stack, nesting_stack, nesting_depth, block_start_count,
23299 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23300 emit_lineno, goto_fixup_chain.
23301 (save_eh_status, restore_eh_status, save_stmt_status,
23302 restore_stmt_status): Delete declarations.
23303 * function.c (push_function_context_to): Don't call save_stmt_status.
23304 (pop_function_context_to): Don't call restore_stmt_status.
23305 * tree.h (in_control_zone_p): Declare.
23306 * rtl.h (set_file_and_line_for_stmt): Declare.
23308 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23309 call set_file_and_line_for_stmt.
23311 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23313 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23314 Also update copyright.
23316 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23318 * c-pragma.c: Don't include "except.h".
23319 * emit-rtl.c: Likewise.
23320 * stor-layout.c: Likewise.
23321 * tree.c: Likewise.
23322 * varasm.c: Likewise.
23324 * flow.c: Include "function.h".
23325 * tree.h (init_dummy_function_start): Declare new function.
23327 * except.h (struct eh_status): New structure.
23328 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23330 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23331 catch_clauses, false_label_stack, caught_return_label_stack,
23332 protect_list, current_function_ehc): Add accessor macros for the
23333 corresponding fields in current_function->eh; delete declarations
23334 for all items that used to be declared here.
23335 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23336 catch_clauses, false_label_stack, caught_return_label_stack,
23337 protect_list, current_function_ehc): Delete variables.
23338 (init_eh_for_function): Allocate current_function->eh.
23339 (save_eh_status, restore_eh_status): Delete functions.
23341 * function.h (struct function): Add fields next_global and eh.
23342 Delete all exception handling related fields.
23343 * function.c (current_function): New variable.
23344 (all_functions): New variable.
23345 (push_function_context_to): Don't allocate a struct function,
23346 use current_function instead. Call init_dummy_function_start when
23347 outside a function. Clear current_function before returning.
23348 (pop_function_context_from): Restore current_function.
23349 Don't free the restored struct function.
23350 (prepare_function_start): New function.
23351 (init_dummy_function_start): New function.
23352 (init_function_start): Break out some code into prepare_function_start
23355 * stmt.c (save_stmt_status): Don't call save_eh_status.
23356 (restore_stmt_status): Don't call restore_eh_status.
23358 * Makefile.in: Update dependencies.
23360 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
23362 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
23363 of depending on a magic constant value. Update comments.
23364 (hppa_expand_prologue): Similarly.
23366 * pa.md (reload_indi, reload_outdi): Allow any register for the
23367 original reload register.
23369 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
23371 * cccp.c (print_help): Change marcos to macros.
23373 1999-07-30 Richard Henderson <rth@cygnus.com>
23375 * c-typeck.c (initializer_constant_valid_p): Move ...
23376 * c-common.c (initializer_constant_valid_p): ... here. Use
23377 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
23378 of label addresses.
23379 * c-common.h (initializer_constant_valid_p): Declare.
23380 * c-tree.h (initializer_constant_valid_p): Remove.
23382 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
23384 * config/i386/sol2-c1.asm: Align the stack.
23385 * config/i386/sol2-gc1.asm: Likewise.
23387 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
23389 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
23390 -Asparclite for sparc86x.
23391 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
23393 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
23395 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
23397 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
23398 the user if using the non-default arch size in BI_ARCH configuration.
23399 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
23401 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
23402 Fix patterns so that they actually match.
23403 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
23404 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
23405 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
23407 (mulsidi3): Reflect this in the expand.
23408 (smulsi3_highpart): Only on TARGET_ARCH32.
23409 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
23410 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
23411 (umulsidi3): Reflect this in the expand.
23412 (umulsi3_highpart): Only on TARGET_ARCH32.
23413 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
23414 don't require g0 to be zero.
23415 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
23416 ({,u}divsi3): New expands.
23417 ({,u}divsi3_sp64): New patterns.
23418 (after lshrdi3_v8plus): Four new patterns to help combiner
23419 optimizing nested mixed mode shifts.
23421 * config/sparc/sparc.c (sparc_override_options): Use deprecated
23422 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
23423 speed things up. Don't use them by default on plain v9 in 64bit
23424 mode, according to what SPAMv9 sais.
23426 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
23427 top 32 bits of %[og][0-7] in signal handlers.
23428 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
23430 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
23432 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
23433 (ashlsi3): Corresponding changes.
23435 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
23437 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
23439 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
23441 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23443 * arm.h (Hint): Delete macro.
23444 Substitute HOST_WIDE_INT for Hint in some prototypes.
23445 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
23447 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
23449 * builtins.c (expand_builtin_setjmp): Use force_operand to
23450 make sure that the buffer address is in a suitable form to be
23451 passed to force_reg.
23453 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
23455 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
23458 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
23460 * pa.md (indirect_jump): Remove mode from match_operand. Verify
23461 proper mode in the condition string.
23462 (icacheflush, dcacheflush): Remove modes from match_operands.
23464 * pa.c (emit_move_sequence): Always convert scratch_reg to the
23465 proper mode before using it.
23467 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
23470 * pa.c (store_reg): Do not call add_high_const generator directly.
23471 (load_reg, set_reg_plus_d): Likewise.
23472 * pa.md (add_high_const): No longer a named pattern.
23474 * pa.c (legitimize_address): Consistently use Pmode rather than
23475 SImode. Do not call gen_pic2_highpart directly anymore.
23476 * pa.md (pic2_highpart): No longer a named pattern.
23477 (pic2_lo_sum): Similarly. Reformat to make more readable.
23479 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
23484 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23486 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
23488 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
23490 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
23491 and tag the spill mems.
23492 (hppa_va_start): New.
23493 (hppa_va_arg): New.
23494 * pa.h (EXPAND_BUILTIN_VA_START): New.
23495 (EXPAND_BUILTIN_VA_ARG): New.
23497 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
23499 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
23500 and tag the spill mems.
23501 (mn10300_va_start): New.
23502 (mn10300_va_arg): New.
23503 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
23504 (EXPAND_BUILTIN_VA_ARG): New.
23506 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
23508 * mn10200.c (mn10200_va_arg): New.
23509 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
23511 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
23513 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
23514 rather than play with TREE_INT_CST_LOW.
23516 1999-07-27 Philip Blundell <pb@nexus.co.uk>
23518 * config/arm/telf.h: Include dbxelf.h.
23519 (CPP_PREDEFINES): Only define if not already defined.
23520 (ASM_IDENTIFY_GCC): Likewise.
23521 (SUBTARGET_EXTRA_SECTIONS): Likewise.
23522 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
23523 * config/arm/thumb.h (LINK_SPEC): Only define if not already
23525 (DBX_DEBUGGING_INFO): Don't define.
23526 * config/arm/linux-telf.h: New file.
23527 * config/arm/linux-tgas.h: New file.
23528 * config/arm/t-thumb-linux: New file.
23529 * config/arm/uclinux-elf.h: New file.
23530 * config/arm/uclinux-telf.h: New file.
23531 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
23532 thumb-*-uclinux): New targets.
23533 * configure: Regenerate.
23535 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
23537 * pa.md (post_store, pre_load): New expanders.
23538 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
23539 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
23540 need to directly generate RTL for them.
23541 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
23544 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
23546 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
23547 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
23548 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
23549 (secndary_reload_class): Make TARGET_ELF conditional compile.
23550 (print_operand_address): Similar.
23551 (output_toc): Print all values as hex.
23552 (get_issue_rate): Rearrange and add RS64A and PPC630.
23553 * rs6000.h (processor_type): Add RS64A and PPC630.
23554 (PROCESSOR_POWERPC64): New.
23555 (PROMOTE_MODE): Use word_mode.
23556 (RTX_COSTS): Add RS64A and PPC630.
23557 * rs6000.md (scheduling information): Add lmul and ldiv
23558 representing 64-bit integer multiply and divide. Add rs64a and
23559 PPC630 information.
23560 (ashldi3): Add support for "rldic" instruction.
23561 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
23563 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
23565 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
23566 instead of V8 for sparclite86x in cpu_table.
23568 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23570 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
23571 output_file_directive.
23573 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
23575 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
23576 tree for op1, not the rtl.
23578 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
23580 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
23581 to m88k_va_start, leaving only the register spill.
23582 (m88k_build_va_list): New.
23583 (m88k_va_start): New.
23584 (m88k_va_arg): New.
23585 * m88k.h (BUILD_VA_LIST_TYPE): New.
23586 (EXPAND_BUILTIN_VA_START): New.
23587 (EXPAND_BUILTIN_VA_ARG): New.
23589 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
23591 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
23592 Rename from expand_builtin_saveregs.
23593 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
23595 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
23597 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
23598 for the register spill block.
23599 (i960_build_va_list): New.
23600 (i960_va_start): New.
23601 (i960_va_arg): New.
23602 * i960.h (BUILD_VA_LIST_TYPE): New.
23603 (EXPAND_BUILTIN_VA_START): New.
23604 (EXPAND_BUILTIN_VA_ARG): New.
23605 * i960.md (store_multiple): Use change_address on individul mems.
23607 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
23609 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
23611 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
23612 (expand_builtin_va_end): Evaluate arg for side effects.
23613 * c-common.c (c_common_nodes_and_builtins): Construct a
23614 va_list_arg_type_node to handle array decomposition to pointer.
23616 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
23618 * except.c (st_dynamic_cleanup): Use force_operand on the
23621 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
23623 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
23624 * c4x.c (c4x_va_arg): New.
23626 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
23628 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
23629 has manual_pop set.
23631 1999-07-26 Nathan Sidwell <nathan@acm.org>
23633 * eh-common.h (__eh_matcher): Prototype correctly.
23635 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
23637 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
23638 (TARGET_SINGLE_PIC_BASE): Likewise.
23639 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
23641 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
23642 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
23643 (TARGET_OPTIONS): Add -mpic-register=N.
23644 (OUTPUT_INT_ADDR_CONST): New macro.
23645 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
23646 LEGITIMATE_PIC_OPERAND_P): Likewise.
23647 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
23648 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
23649 output_addr_const directly.
23650 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
23652 (thumb_pic_register, thumb_pic_register_string): Declare.
23654 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
23656 (label_mentioned_p): New function: Imported from arm.c.
23657 (legitimize_pic_address): New function: Imported from arm.c.
23658 (is_pic):New function: Imported from arm.c.
23659 (thumb_finalize_pic):New function: Imported from arm.c.
23660 (add_constant): Cope with PIC constants.
23661 (fixit): Cope with PIC constants.
23662 (output_return): Do not treat the PIC register as live if
23663 TARGET_SINGLE_PIC_BASE is true.
23664 (thumb_function_prologue): Do not treat the PIC register as live if
23665 TARGET_SINGLE_PIC_BASE is true.
23666 (thumb_expand_prologue): Do not treat the PIC register as live if
23667 TARGET_SINGLE_PIC_BASE is true.
23668 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
23669 TARGET_SINGLE_PIC_BASE is true.
23670 (thumb_print_operand): Accept '|'.
23671 (thumb_override_options): Process PIC options.
23673 * config/arm/thumb.md (movsi): Support PIC.
23674 (call_insn): Change "i" constraint to "X".
23675 (call_value_insn): Likewise.
23676 (consttable_4, consttable_8, consttable_end): Set and clear
23677 "making_const_table" as appropriate.
23678 (pic_load_addr, pic_add_dot_plus_four): New insns.
23680 * invoke.texi (Thumb Options): Fix spelling. Document new
23681 options -msingle-pic-base and -mpic-register=.
23683 1999-07-26 Andrew Haley <aph@cygnus.com>
23685 * config/m32r/initfini.c (__init): Use a full word immediate for
23686 __fini: this allows it to be placed in any memory region.
23688 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
23689 -mmodel=medium. This is OK for all memory models.
23691 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
23693 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
23694 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
23696 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
23698 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
23701 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
23703 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
23705 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
23706 (BUILD_VA_LIST_TYPE): New.
23707 (EXPAND_BUILTIN_VA_START): New.
23708 (EXPAND_BUILTIN_VA_ARG): New.
23709 * i860.c (output_delayed_branch): Disable.
23710 (output_delay_insn): Likewise.
23711 (i860_saveregs): New.
23712 (i860_build_va_list): New.
23713 (i860_va_start): New.
23714 (i860_va_arg): New.
23715 * i860.md: Disable all peepholes using output_delayed_branch.
23716 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
23718 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
23720 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
23721 (BUILD_VA_LIST_TYPE): New.
23722 (EXPAND_BUILTIN_VA_START): New.
23723 (EXPAND_BUILTIN_VA_ARG): New.
23724 * clipper.c (clipper_builtin_saveregs): Only dump registers.
23725 Return the address of the save area.
23726 (clipper_build_va_list): New.
23727 (clipper_va_start): New.
23728 (clipper_va_arg): New.
23730 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
23732 * arc.h (EXPAND_BUILTIN_VA_START): New.
23733 (EXPAND_BUILTIN_VA_ARG): New.
23734 * arc.c (arc_setup_incoming_varargs): Set alias set of
23736 (arc_va_start): New.
23739 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
23741 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
23742 (BUILD_VA_LIST_TYPE): New.
23743 (EXPAND_BUILTIN_VA_START): New.
23744 (EXPAND_BUILTIN_VA_ARG): New.
23745 * alpha.c (alpha_builtin_saveregs): Delete.
23746 (alpha_build_va_list): New.
23747 (alpha_va_start): New.
23748 (alpha_va_arg): New.
23750 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
23752 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
23754 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
23755 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
23757 * gcc.texi: More changes related to list conversion.
23758 * invoke.texi: Likewise.
23760 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
23762 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
23763 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
23764 (expand_builtin_next_arg): Accept ARGLIST not EXP.
23765 (stabilize_va_list): New function.
23766 (std_expand_builtin_va_start): New function.
23767 (expand_builtin_va_start): New function.
23768 (get_varargs_alias_set): New function.
23769 (std_expand_builtin_va_arg): New function.
23770 (expand_builtin_va_arg): New function.
23771 (expand_builtin_va_end): New function.
23772 (expand_builtin_va_copy): New function.
23773 (expand_builtin): Call them.
23774 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
23775 __builtin_{varargs_start,stdarg_start,end,copy}.
23776 (build_va_arg): New function.
23777 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
23778 (build_va_arg): Declare.
23779 * c-decl.c (ptr_type_node, va_list_type_node): New.
23780 * c-parse.gperf (__builtin_va_arg): New.
23781 * c-parse.in (VA_ARG): New token.
23782 (unary_expr): Recognize it.
23783 * expr.c (expand_expr): Expand VA_ARG_EXPR.
23784 * expr.h (std_expand_builtin_va_start): Declare.
23785 (std_expand_builtin_va_arg): Declare.
23786 (expand_builtin_va_arg): Declare.
23787 (get_varargs_alias_set): Declare.
23788 * tree.def (VA_ARG_EXPR): New.
23789 * tree.h (BUILT_IN_VARARGS_START): New.
23790 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
23791 (ptr_type_node, va_list_type_node): Declare.
23792 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
23793 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
23794 * m88k.h, m88k.c: Likewise.
23795 * mn10300.h, mn10300.c: Likewise.
23796 * pa.h, pa.c: Likewise.
23797 * rs6000.h, rs6000.c: Likewise.
23798 * sh.h, sh.c: Likewise.
23799 * sparc.h, sparc.c: Likewise.
23801 * emit-rtl.c (operand_subword): Copy alias set.
23802 (change_address): Likewise.
23804 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
23806 * pa.c (compute_frame_size): Scan all the used callee saved registers,
23807 not just the first one.
23809 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
23811 * config/arm/arm.h (TARGET_SWITCHES): Add
23812 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
23813 (TARGET_OPTIONS): Add -mpic-register=.
23814 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
23815 (arm_pic_register_string): Declare.
23816 (NEED_PLT_GOT): Delete, replace with ...
23817 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
23818 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
23819 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
23820 * config/arm/arm.c (arm_override_options): Add new option
23822 (arm_pic_register_string): New variable.
23823 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
23824 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
23825 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
23826 (output_return_instruction): Likewise.
23827 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
23828 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
23829 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
23831 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
23832 mention of -msched-prolog. Document new options -msingle-pic-base
23833 and -mpic-register=.
23835 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
23837 * haifa-sched.c (reemit_notes): Tidy.
23838 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
23841 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
23843 * explow.c (trunc_int_for_mode): New function.
23844 (plus_constant_wide): Use it.
23845 * combine.c (simplify_and_const_int): Likewise.
23846 (merge_outer_ops): Likewise.
23847 (simplify_shift_const): Likewise.
23848 * cse.c (simplify_unary_operation): Likewise.
23849 (simplify_binary_operation): Likewise.
23850 * emit-rtl.c (operand_subword): Likewise.
23851 * rtl.h: Declare it.
23853 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23855 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
23856 (use NUM_REGS instead of NUM_INTS).
23858 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23860 * builtins.c: New file.
23861 * expr.c (saveregs_value, apply_args_value): Delete definition,
23862 moved into builtins.c.
23863 (string_constant): No longer static.
23864 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
23865 apply_args_size, apply_result_size, result_vector,
23866 expand_builtin_apply_args, expand_builtin_apply,
23867 expand_builtin_return): Delete functions, moved into builtins.c.
23868 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
23869 * expr.h (saveregs_value, apply_args_value): Declare variables.
23870 (expand_builtin, string_constant): Declare functions.
23871 * Makefile.in: Update to build builtin.o.
23873 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
23875 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
23876 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
23877 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
23878 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
23880 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
23883 1999-07-21 Michael Meissner <meissner@cygnus.com>
23885 * print-rtl.c (print_rtx): Print the names of the virtual
23888 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
23890 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
23891 introduced in previous delta.
23893 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23895 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
23896 to avoid name clash.
23898 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
23900 * c-lex.c (yylex) : Correct the test for overflow when lexing
23903 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
23905 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
23906 (adjust_priority): Always call ADJUST_PRIORITY.
23907 (schedule_insn): Only put insns into the ready at cost 0.
23908 (schedule_block): Remove redundant initial sort. Give clock_var
23909 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
23911 * tm.texi (MD_SCHED_REORDER): Update docs.
23913 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
23914 * sparc.c (ultra_reorder_called_this_block): Delete.
23915 (ultrasparc_sched_init): Don't set it.
23916 (ultrasparc_sched_reorder): Don't check it.
23918 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
23920 * rs6000.h (struct rs6000_args): Add sysv_gregno.
23921 * rs6000.c (init_cumulative_args): Init sysv_gregno.
23922 (function_arg_boundary): Align DFmode.
23923 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
23924 to get fp reg and stack overflow correct.
23925 (function_arg): Likewise.
23926 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
23927 (setup_incoming_varargs): Restructure for ABI_V4; use
23928 function_arg_advance to skip final named argument.
23929 (expand_builtin_saveregs): Properly unskip the last integer arg
23930 when doing varargs. Adjust overflow location calculation.
23932 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
23933 explicitly unsigned.
23934 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
23935 (__VA_GP_REGSAVE): Similarly.
23936 (__va_longlong_p): Delete.
23937 (__va_arg_type_violation): New declaration.
23938 (va_arg): Restructure. Flag promotion errors. Align double.
23939 TFmode passed by reference.
23941 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
23942 in the HOST_BITS_PER_WIDE_INT > 32 case.
23944 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
23946 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
23948 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
23950 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
23951 * toplev.c (documented_lang_options): Add -fpreprocessed.
23952 * cpplib.h (struct cpp_buffer): Add preprocessed.
23953 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
23954 (cpp_start_read): Don't expand macros or emit an initial #line
23955 directive if -fpreprocessed.
23957 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23959 * cpplib.h (struct cpp_buffer): Added manual_pop for
23960 better C++ tokenization.
23961 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
23962 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
23963 * c-common.c (cpp_token): Make non-static.
23965 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23967 * c-common.h: New file.
23968 * c-common.c (permanent_obstack): Delete unused declaration.
23969 (c_global_trees): New array.
23970 (c_common_nodes_and_builtins): New function; split off common code
23971 from init_decl_processing in both c-decl.c and cp/decl.c.
23972 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
23973 c_global_trees and accessor macros defined in c-common.h.
23974 Include c-common.h.
23975 * c-decl.c: Delete definitions for tree nodes that were replaced by
23977 (init_decl_processing): Build void_list_node.
23978 Call c_common_nodes_and_builtins; delete code to generate the common
23980 * objc/objc-act.c (build_module_descriptor): Rename variable
23981 void_list_node to avoid clash with c-common.h.
23983 * Makefile.in: Update dependencies.
23984 * objc/Make-lang.in: Likewise.
23986 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
23988 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
23989 (UNIQUE_SECTION_P): Likewise.
23990 (UNIQUE_SECTION): Likewise.
23992 1999-07-19 Linas Vepstas <linas@linas.org>
23994 * config/i370/README: New file.
23995 * config/i370/linux.h: New file.
23996 * config/i370/mvs.h: New file.
23997 * config/i370/oe.h: New file.
23998 * config/i370/t-linux: New file.
23999 * config/i370/t-mvs: New file.
24000 * config/i370/t-oe: New file.
24001 * config/i370/x-oe: New file.
24002 * config/i370/xm-linux.h: New file.
24003 * config/i370/xm-mvs.h: New file.
24004 * config/i370/xm-oe.h: New file.
24006 * i370.c (label_node_t): Add first_ref_page, label_addr,
24007 label_first_ref, label_last_ref members.
24008 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24009 (MAX_MVS_LABEL_SIZE): Define.
24010 (MAX_LONG_LABEL_SIZE): Define.
24011 (alias_node_t, alias_anchor, alias_number): New.
24012 (mvs_function_table): Reorder for EBCDIC.
24013 (ascebc, ebcasc): Unconditionally define.
24014 (i370_branch_dest, i370_branch_length): New functions.
24015 (i370_short_branch, i370_label_scan): New functions.
24016 (mvs_get_label): Renamed from mvs_add_label. Search for
24017 an existing label before creating a new one.
24018 (mvs_add_label): New function.
24019 (mvs_get_label_page): New function.
24020 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24021 over the entire list.
24022 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24023 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24024 (mvs_add_alias, mvs_need_alias): New functions.
24025 (mvs_get_alias, mvs_check_alias): New functions.
24026 (handle_pragma): New function.
24027 (mvs_function_check): New function.
24028 (unsigned_jump_follows_p): Search harder.
24029 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24030 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24031 * i370.h (TARGET_VERSION): Delete.
24032 (CPP_SPEC, CPP_PREDEFINES): Delete.
24033 (mvs_label_emitted): Delete.
24034 (TARGET_EBCDIC): Delete.
24035 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24036 (HANDLE_PRAGMA): Define.
24037 (HARD_REGNO_NREGS): Handle complex modes.
24038 (HARD_REGNO_MODE_OK): Likewise.
24039 (CLASS_MAX_NREGS): Likewise.
24040 (RET_REG): Likewise.
24041 (EXTRA_CONSTRAINT): Define.
24042 (RETURN_IN_MEMORY): True for DImode.
24043 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24044 (FUNCTION_PROFILER): Delete.
24045 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24046 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24047 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24048 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24049 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24050 (ASM_FILE_START): Add "RMODE ANY".
24051 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24052 (ASM_GLOBALIZE_LABEL): Likewise.
24053 (ASM_OUTPUT_LABELREF): Likewise.
24054 (ASM_OUTPUT_COMMON): Likewise.
24055 (PRINT_OPERAND): Handle 'K', 'W', default.
24056 (PRINT_OPERAND_ADDRESS): New.
24057 (Lots of defines): Add support for TARGET_ELF_ABI.
24058 * i370.md (attr length): New. Define for all patterns.
24059 (*): Lots of tweeks to assembly output and constraints.
24061 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24063 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24064 Disable patterns performing SImode comparisons with SImode values
24065 if TARGET_POWERPC64 and instruction does not sign-extend or does
24066 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24067 differ for signed quantities.
24068 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24069 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24070 (decrement_and_branch_on_count): Add 64-bit variant.
24072 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24074 * final.c (output_asm_insn): When searching for the matching string
24075 for a given dialect, don't run past the end of the list of
24076 alternatives if there are fewer alternatives in the template than
24079 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24081 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24082 Removed paragraph about compression of files and size limitation,
24083 duplicated in the FAQ. Use gcc-patches for posting patches.
24084 * gcc.c (main): Updated URL with bug reporting instructions to
24085 gcc.gnu.org. Removed e-mail address.
24086 * system.h (abort): Likewise.
24088 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24090 * Makefile.in (stmp-multilib-sub): Make the files extracted
24091 from $(LIBGCC1) writable.
24093 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24095 * config/arm/aout.h: Reformat for improved readability.
24097 * config/arm/arm.h: Reformat for improved readability.
24098 Replace uses of fprintf with asm_fprintf where appropriate.
24099 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24100 function declaration assembler actions.
24101 (NUM_INTS): New macro: Convert from bytes to words.
24102 (NUM_REGS): New macro: Compute number of registers required to
24103 hold a quanitity of tyep MODE.
24104 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24106 (NUM_ARG_REGS): New macro: The number of argument registers
24108 (ARG_REGISTER): New macro: Compute the register number of the Nth
24110 (LAST_ARG_REGNUM): New macro: The number of the last argument
24112 (SP_REGNUM): New macro: Register number of the stack pointer.
24113 (FP_REGNUM): New macro: Register number of the frame pointer.
24114 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24115 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24116 CUMULATIVE_ARGS so that it counts registers not bytes.
24118 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24120 Replace uses of fprintf with asm_fprintf where appropriate.
24121 (output_ascii_pseudo_op): Replace with version from thumb.c
24123 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24125 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24126 SUBTARGET_CPP_SPEC.
24127 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24128 (ASM_FILE_START): Emit ASM_APP_OFF.
24130 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24132 * pa.c (compute_frame_size): Round frame according to
24133 STACK_BOUNDARY rather than a hardwired value.
24135 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24137 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24139 * configure: Rebuilt.
24141 * configure.in (hppa*-*-linux*): New configuration.
24142 * configure: Rebuilt.
24143 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24144 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24145 * pa/pa-linux.h: New file.
24146 * pa/t-linux: New file.
24147 * pa/xm-linux.h: New file.
24149 * pa.c (hppa_legitimize_address): Change references from SImode to
24150 either Pmode or word_mode as appropriate.
24151 (emit_move_sequence, store_reg, load_reg): Likewise.
24152 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24153 (output_mul_insn): Likewise.
24154 * pa.h (PROMOTE_MODE): Likewise.
24155 (INITIALZE_TRAMPOLINE): Likewise.
24156 (Pmode): Define to word_mode.
24158 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24159 value of 4. Allocate 8 bytes for each FP register save.
24160 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24162 (hppa_expand_prologue): Likewise.
24163 * pa.h (PROMOTE_MODE): Likewise.
24164 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24165 (FUNCTION_ARG_BOUNDARY): Likewise.
24167 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24169 * pa.c (out_of_line_prologue_epilogue): Delete.
24170 (override_options): Remove -mspace related code.
24171 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24172 (compute_frame_size): Only allocate space for register that
24173 actually need to be saved.
24174 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24175 (TARGET_SWITCHES): Remove -mspace, -mno-space
24176 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24177 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24178 * pa/ee.asm, pa/ee_fp.asm: Delete.
24180 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24182 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24183 directive in column zero.
24185 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24187 * m68k.c (output_function_prologue): Fix computation of save mask
24188 when generating PIC code.
24190 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24192 * tree.c (build_type_attribute_variant): Move current_obstack restore
24193 after build_qualified_type call.
24195 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24197 * configure.in: Use t-iris6, even with GNU LD.
24198 * config/mips/iris6gld.h: Fix typo in linker spec.
24199 * config/mips/t-iris6gld: Remove.
24201 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24203 * rs6000.md (insv, extzv): Remove SImode dependence in named
24204 patterns. Explicitly generate DImode RTL if PowerPC64 and
24206 (insvdi): Reverse start and size in instruction template.
24208 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24210 * invoke.texi: Typo fixes.
24212 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24214 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24215 handle at this time instead of silently generating incorrect code.
24216 (gen_imagpart): Likewise.
24218 * reload.c (find_reloads): Emit a USE for a pseudo register without
24219 a hard register if we could not create an optional reload for the
24222 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24224 * c-typeck.c (output_init_element, process_init_element):
24225 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24226 check for nameless bit fields.
24228 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24230 * regclass.c (scan_one_insn): Notice subregs that change the
24231 size of their operand.
24232 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24234 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24236 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24237 * configure: Rebuilt.
24238 * alpha/t-ieee: New file.
24240 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24242 * rs6000.c (find_addr_reg): Do not select r0 as an address
24245 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24247 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24249 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24251 * rs6000.md (movsf): Do not force easy FP constants into memory.
24253 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24254 immed_double_const to ensure they are properly truncated then
24257 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24259 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24260 always unless NO_DEBUG is used. Compile this code
24262 (replace_symbols_in_block): Compile it unconditionally.
24264 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24266 * configure.in (i?86-*-elf*): New target.
24267 * configure: Rebuilt.
24268 * i386/i386elf.h, i386/t-i386elf: New files.
24270 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24272 * toplev.c (main): Don't complain about saying -gdwarf.
24273 (rest_of_compilation): Remove redundant code.
24275 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24277 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24279 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24281 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24282 "Li960R:", to avoid name clash.
24284 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24286 * loop.c (check_dbra_loop): When reversing a loop, delete all
24287 REG_EQUAL notes referencing the reversed biv except those which are
24288 for a giv based on it.
24290 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24292 * version.c: Drop "gcc-" prefix from version #.
24294 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24296 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24297 the label if we're being verbose.
24299 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24301 * m68k.c (output_function_prologue): Add pic register to mask
24302 if live and flag_pic.
24303 (output_function_epilogue): Likewise.
24305 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24307 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24308 directives in column zero.
24310 * pa/elf.h (ASM_FILE_START): Define.
24311 * pa/som.h (ASM_FILE_START): Include .level directives.
24312 * pa/hpux10.h (ASM_FILE_START): Delete.
24313 * pa/hpux11.h (ASM_FILE_START): Delete.
24315 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24317 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24319 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24320 when reload_out equals reload_in.
24322 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24324 * invoke.texi (Spec Files): New node: Describe the contents of
24327 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24329 * invoke.texi (DEC Alpha Options): Put @end table at
24330 beginning of line, to avoid confusing texi2html.
24332 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24334 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24335 introduced in previous delta.
24337 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24339 * reload1.c (gen_reload): When synthesizing a 3 operand add
24340 sequence, improve test for when to reload OP1 into the reload
24341 register instead of OP0.
24343 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24345 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24347 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24349 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24352 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24354 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24355 (va_dcl): Use __builtin_va_alist_t.
24357 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
24359 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
24360 on the permanent_obstack.
24361 * dwarfout.c (output_type): Likewise.
24363 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
24365 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24366 Merged from c-typeck.c and cp/typeck.c.
24367 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24368 Merged into c-common.
24370 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
24372 * c-lex.c (errorcount): Declare it.
24373 (finish_parse): Update errorcount when using CPPLIB.
24375 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
24377 * fixinc/inclhack.def(end_else_label): Double the backslash so
24378 sed gets a chance to see it.
24379 * fixinc/inclhack.sh: regen
24380 * fixinc/fixincl.x: regen
24382 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
24384 Add framework to support armv5 architecture when it becomes
24387 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
24388 (arm_arch5): New variable.
24389 (all_architectures): Add armv5 line.
24390 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
24391 -march=armv5 is specified on the command line.
24392 (arm_arch5): Export this variable.
24393 * invoke.texi: Document new string accepted by -march= switch for
24396 * config/arm/arm.h: Replace use of constant 12 as a register
24397 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24398 * config/arm/arm.c: Replace use of constant 12 as a register
24399 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24401 * config/arm/elf.h: Tidy up.
24402 * config/arm/coff.h: Tidy up.
24404 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
24406 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
24407 * gcc/config/mips/t-iris6gld: New file.
24408 * gcc/config/mips/iris6gld.h: Likewise.
24410 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
24412 * c-decl.c (widest_integer_literal_type_node,
24413 widest_unsigned_literal_type) : New.
24414 (init_decl_processing): Handle/use the two new types.
24415 * c-common.c (type_for_size,type_for_mode) : Same.
24416 * c-lex.c (yylex) : Same.
24417 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24419 * c-tree.h (widest_integer_literal_type_node,
24420 widest_unsigned_literal_type) : New.
24422 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
24424 * dwarfout.c (field_byte_offset): Correctly compute the object's
24425 byte offset for the first bit of a field which crosses an alignment
24426 boundary on a !BYTES_BIG_ENDIAN target.
24428 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
24430 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
24433 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
24434 Jeff Law <law@cygnus.com>
24436 * ginclude/varargs.h (va_dcl): Use word_mode for type of
24439 * except.c: Include intl.h.
24440 (expand_eh_return): Set current_function_cannot_inline.
24441 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
24442 * function.h (struct function): Add eh_return_stub_label.
24443 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
24444 * Makefile.in (except.o): Depend on intl.h.
24446 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
24448 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
24449 same as offsettable in cases 1 and 2.
24451 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
24453 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
24454 (extlh, extwh): Likewise.
24456 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
24458 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
24460 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
24462 * configure.in: Add arm-pe and thumb-pe targets.
24463 * configure: Regenerate.
24465 * thumb.c (arm_naked_function_p): New function: Determines if
24466 a function is naked (has no gcc generated prologue/epilogue).
24467 (is_called_in_ARM_mode): Return true if the func has the
24468 interfacearm attribute.
24469 (output_return): Do not generate a return for naked functions.
24470 (thumb_function_prologue): Do not generate a prologue for
24472 (thumb_expand_prologue): Do not generate a prologue for naked
24474 (thumb_expand_epilogue): Do not generate an epilogue for naked
24476 (arm_valid_machine_decl_attribute): New function, copied from
24477 arm.c: Permit naked and interfacearm attributes.
24479 * config/arm/pe.c: New file: Support code for arm-pe target.
24480 * config/arm/pe.h: New file: Header file for arm-pe target.
24481 * config/arm/tpe.h: New file: Header file for thumb-pe target.
24482 * config/arm/t-thumb-pe: New file: Makefile fragment for
24485 1999-07-01 Mark Kettenis <kettenis@gnu.org>
24487 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
24488 -fPIC or -fpic is specified.
24490 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
24492 * expr.c (emit_block_move): Use copy_to_mode_reg for
24493 !TARGET_MEM_FUNCTIONS case too.
24495 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
24497 * configure: Rebuilt.
24498 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
24499 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
24500 definitions made redundant by dbxelf.h inclusion. Delete
24501 lots of definitions related to assembly output that are
24502 specific to the SOM object format.
24503 * pa.c (output_function_prologue): Do not emit the function's
24505 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
24506 * pa-pro.h: Deleted.
24507 * som.h: New file with SOM specific definitions.
24508 * elf.h: New file with ELF specific definitions.
24510 * elfos.h (const_section): Output a tab before assembler directives.
24511 (ctors_section, dtors_section): Likewise.
24512 (ASM_OUTPUT_SECTION_NAME): Likewise.
24514 * pa/pa1.h: Delete unused file.
24516 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
24518 * configure.in (hppa*-hp-hpux11*): New configuration.
24519 * configure: Rebuilt.
24520 * pa/pa-hpux11.h: New file.
24521 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
24524 * mips.md (leasi, leadi): New patterns.
24526 * expr.c (emit_block_move): Properly handle case where one of the
24527 block move arguments has a queued increment or decrement.
24528 (clear_storage): Similarly. Fix formatting goof.
24530 1999-06-28 "David O'Brien" <obrien@NUXI.com>
24532 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
24533 semicolon from the BSD VA_LIST replacement expression.
24535 * fixinc/inclhack.sh: regen
24536 * fixinc/fixincl.x: regen
24538 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
24539 now use the fixincl program.
24541 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
24543 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
24544 case. Also make the PIC register call_used.
24546 * m68k.h (FINALIZE_PIC): Delete.
24547 * m68k.c (finalize_pic): Delete.
24549 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
24551 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
24554 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
24556 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
24558 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
24560 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
24562 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
24564 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
24566 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
24568 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
24570 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
24572 * rs6000.c (output_toc): Always use hex values for floating-point
24573 constants. Store single-precision values in upper-half of TOC
24574 entry in 64-bit mode.
24575 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
24576 to final constraints.
24577 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
24578 (fctiwz): Improve accuracy of RTL for pattern.
24580 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
24582 * expr.c (expand_expr): Allow RTL_EXPR's through the
24583 MAX_INTEGER_COMPUTATION_MODE checks.
24585 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
24587 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
24588 such that MASK_SUPPORT_ARCH is not negative.
24590 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
24592 * loop.c (verify_dominator): Properly handle ADDR_VEC and
24593 ADDR_DIFF_VEC insns that appear inside loops.
24595 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
24596 Jeff Law <law@cygnus.com>
24598 * rs6000.md (movdf_hardfloat32): Revert previous patch.
24599 Handle LO_SUM the same as offsettable in cases 1 and 2.
24600 * rs6000.c (find_addr_reg): Revert previous patch.
24602 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
24604 * system.h (strstr): New external function declaration.
24605 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
24606 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
24607 * config.in, configure: Rebuilt.
24609 1999-06-24 Tom Tromey <tromey@cygnus.com>
24611 * gcc.c (main): Read user-specified specs files after computing
24612 additional startfile_prefixes.
24614 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
24616 Revert these two patches:
24618 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24619 * loop.c (strength_reduce): When doing biv->giv conversion, update
24620 reg note of NEXT->insn.
24622 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24623 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24625 (recombine_givs): Set ix field after sorting.
24627 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24629 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
24630 for the parts of an UNSPEC / UNSPEC_VOLATILE.
24632 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
24634 *fixinc/inclhack.def: Add fix development commentary
24635 (read_ret_type): reactivate and add selection clause
24636 (zzz_*): tweak output file name to match what is used in hackshell.tpl
24637 *fixinc/{fixincl.x|inclhack.sh}: regen
24639 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
24641 * expr.c (expand_expr): STRIP_NOPS before checking against
24642 MAX_INTEGER_COMPUTATION_MODE
24643 (check_max_integer_computation_mode): Likewise.
24645 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
24647 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
24649 1999-06-22 Jim Wilson <wilson@cygnus.com>
24651 * expr.c (store_expr): When target is a promoted subreg, return a
24652 promoted subreg as a result.
24654 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
24656 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
24658 (dwarf2out_define): Mark unused parameters appropriately.
24659 (gen_unspecified_parameters_die): Ditto.
24660 (gen_subprogram_die): Fix signed/unsigned warnings.
24661 (gen_variable_die): Ditto.
24663 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
24665 * fixinc/inclhack.def(end_else_label): combined else_label
24666 and endif_label and fixed the sed expression.
24667 *fixinc/{fixincl.x|inclhack.sh}: regen
24669 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
24671 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
24672 'x' when handling non-offsettable addresses
24674 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
24676 * final.c (shorten_branches): Don't try to split an insn that has
24679 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
24681 * config/mips/mips.c (symbolic_expression_p): New function.
24682 (mips_select_rtx_section): Put symbolic expressions in the
24683 data section, not the read-only data section.
24685 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
24687 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
24689 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
24691 * collect2.c (main): Log frame table count.
24692 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
24693 (scan_prog_file) [COFF]: Handle frame tables.
24695 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
24696 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
24697 * alpha/elf.h: Undef them again.
24698 * alpha/vms.h: Remove their definitions.
24700 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24702 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
24703 remove the clobber of r0 and change the REG_UNUSED note to
24706 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
24708 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
24709 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
24710 fits in HOST_WIDE_INT and one uses union to access a long constant
24713 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
24715 * sparc.c (sparc_override_options): Don't allow profiling for
24716 code models other than medlow.
24717 (sparc_function_profiler): New function from old FUNCTION_PROFILER
24718 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
24719 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
24720 (sparc_block_profiler): Likewise.
24721 (sparc_function_block_profiler_exit): Likewise.
24722 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
24723 (FUNCTION_BLOCK_PROFILER): Likewise.
24724 (BLOCK_PROFILER): Likewise.
24725 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
24726 (MCOUNT_FUNCTION): New.
24727 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
24728 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
24729 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
24730 (MCOUNT_FUNCTION): New.
24731 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
24732 (BLOCK_PROFILER): Delete.
24733 (MCOUNT_FUNCTION): New.
24735 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
24737 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
24739 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24741 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24744 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24747 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24750 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24753 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
24755 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
24758 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
24760 * i386/djgpp.h (LIB_SPEC): New.
24761 (STARTFILE_SPEC): New.
24763 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
24765 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
24767 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
24770 * system.h (WSTOPSIG): New macro.
24772 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
24774 * c-pragma.c (push_alignment): Don't ignore alignments greater than
24776 (insert_pack_attributes): Take into account member natural
24779 * i386/winnt.c (exports_head): New static variable.
24780 (i386_pe_record_exported_symbol): New function.
24781 (i386_pe_asm_file_end): Use.
24782 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
24783 symbols to be emitted at end of assembly.
24784 (ASM_DECLARE_OBJECT_NAME): Likewise.
24785 (ASM_DECLARE_FUNCTION_NAME): Likewise.
24787 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
24790 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
24792 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
24795 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
24797 * haifa-sched.c (sched_analyze_1): Use free_list instead of
24798 zapping reg_last_uses directly.
24799 (sched_analyze_2, sched_analyze_insn): Likewise.
24800 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
24802 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
24804 * rs6000.md (movdf_hardfloat32): Use worst case insn length
24805 attributes for cases 1 and 2.
24807 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
24809 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
24812 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
24814 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
24816 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
24818 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
24819 PIC_OFFSET_TABLE_REGNUM for general alloaction.
24820 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
24821 must be stacked if it is used for PIC accesses.
24822 * arm.c (use_return_insn): Handle PIC register specially.
24823 (output_return_instruction): Likewise.
24824 (output_func_{prologue,epilogue}): Likewise.
24825 (output_expand_prologue): Likewise.
24827 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
24828 (*strsi_predec): Renamed from *strqi_predec.
24829 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
24830 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
24832 * arm.c (arm_override_options): Remove warning about PIC code
24833 not being supported.
24835 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
24837 * rs6000.c (find_addr_reg): New function.
24838 * rs6000.h (find_addr_reg): Declare.
24839 (offsettable_addr_operand): Delete.
24840 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
24841 from and stores to GPRs.
24843 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
24845 * alpha.c (alpha_expand_block_move): Use get_insns rather than
24846 gen_sequence as argument to emit_no_conflict_block.
24848 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24850 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
24851 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
24852 *fixinc/fixincl.x: regen
24853 *fixinc/inclhack.sh: regen
24855 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
24857 * added support for -mpcrel (PC relative addressing for m68k)
24858 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
24859 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
24860 * m68k.c (print_operand_address): Handle 32-bit PIC case.
24861 (comments for general_src_operand): Add some explanation
24862 about EXTRA_CONSTRAINTS.
24863 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
24864 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
24865 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
24866 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
24867 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
24868 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
24869 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
24870 if not already set.
24871 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
24872 * m68k.h (TARGET_PCREL): New target flag.
24873 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
24874 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
24875 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
24876 contains a SYMBOL_REF. Relax this constraint during reload, since
24877 we want to use the predicates, not reload's built-in concept of a
24878 valid memory address, to control what insns need reloading.
24879 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
24880 operands (essentially 'g', 'm', and 's' under normal circumstances).
24881 * m68k.c (print_operand): Cause printing of pc-relative addresses
24882 to include pc register.
24883 (print_operand_address): Ditto.
24884 (general_src_operand): Accept operands that are not only
24885 general_operands, but are also valid when used as a pc-relative
24887 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
24888 (memory_src_operand): Similar, for memory_operands.
24889 (pcrel_address): New predicate to accept the special case of a
24890 pc-relative address.
24891 * m68k.md (many patterns): Rewrite common SImode, HImode, and
24892 QImode insns to accept *_src_operand instead of *_operand where
24893 pc-relative operands can fit. For example, a pc-relative operand
24894 can be used as a memory source operand for addsi3, but not as a
24895 memory destination.
24896 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
24898 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
24900 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
24901 .thumb_set pseudo op to mark aliases of thumb functions.
24903 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
24905 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
24906 preference to ASM_OUTPUT_DEF, if it is defined.
24908 * tm.texi: Document new, optional target macro
24909 ASM_OUTPUT_DEF_FROM_DECLS.
24911 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24913 * fixincludes: ISCNTL patch
24914 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
24915 (dgux_int_varargs): new for DG/UX
24916 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
24918 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
24920 * invoke.texi (ia32 options): Fix typo.
24922 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24924 * loop.c (strength_reduce): When doing biv->giv conversion, update
24925 reg note of NEXT->insn.
24927 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
24929 * loop.c (move_movables): Note issues with replacing REGs with
24931 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
24933 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
24935 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
24937 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
24938 the reference to `mcount' was not correct for the ELF on FreeBSD.
24940 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24942 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24945 (recombine_givs): Set ix field after sorting.
24947 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
24949 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
24950 to safe to extract a subword out of a REG.
24952 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24954 * sh.md (mulsi3): Don't add a no-op move at the end.
24956 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24958 * cse.c (cse_insn): Don't put hard register source into tables for
24959 the last insn of a libcall.
24961 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24963 * loop.c (strength_reduce): Insert sets of derived givs at every
24964 biv increment, even if it's the only one.
24966 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
24968 * dwarfout.c (add_incomplete_type): New fn.
24969 (output_type): Call it.
24970 (retry_incomplete_types): New fn.
24971 (dwarfout_finish): Call it.
24973 From Eric Raskin <ehr@listworks.com>:
24974 (output_type): Output types for bases.
24976 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
24978 * mips.c (mips_output_conditional_branch): Add `break'
24979 between `default' label and `close braces'.
24981 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
24983 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
24984 specifications and make it realistic.
24985 (LIB_SPEC): Likewise.
24987 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
24989 * config/mips/mips.c (mips_secondary_reload_class): Check for
24990 (PLUS (SP) (REG)) and return appropriate register class.
24991 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
24992 Handle (PLUS (SP) (REG)).
24993 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
24994 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
24995 of emit_insn for tablejump.
24997 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
24999 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25000 asm_fprintf format string by itself.
25001 (output_function_profiler): Likewise.
25003 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25005 * combine.c (simplify_logical, case AND): Only call
25006 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25007 or the constant is positive.
25009 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25011 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25012 * configure: Regenerate.
25014 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25016 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25017 require a sub-version #.
25018 * configure: Rebuilt.
25020 1999-06-14 Robert Lipe (robertlipe@usa.net)
25022 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25024 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25026 * c-typeck.c (process_init_element): Detect excess elements in
25027 char array initializer.
25029 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25031 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25033 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25035 * invoke.texi (Option Summary): Add -fpermissive flag.
25037 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25039 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25040 that require PIC code sequences.
25042 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25044 * configure.in: Add new target: thumb-elf.
25045 * configure: Regenerate.
25046 * config/arm/t-thumb-elf: New file: Makefile fragment for
25048 * config/arm/telf.h: New file: Header file for thumb-elf
25051 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25053 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25054 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25055 initializers is some circumstances.
25057 * fixinc/inclhack.def (endif_label): Add additional selector for
25058 more bogus stuff after #endif statements.
25059 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25061 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25063 * i386/cygwin.h (SET_ASM_OP): Define.
25065 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25067 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25069 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25071 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25074 * sh.md (ic_invalidate_line_i): Remove second alternative.
25076 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25078 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25079 test for the presence of valid prototypes. Delete bypass expr.
25080 (ioctl_fix_ctrl): Correct the selection expression.
25081 (no_double_slash): Correct quoting rules
25082 *fixinc/fixincl.x: regen
25083 *fixinc/inclhack.sh: regen
25085 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25087 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25089 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25091 * rs6000.md (movsi_got_internal_mem): Delete.
25092 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25093 (GOT_TOC_REGNUM): Delete.
25094 (PIC_OFFSET_TABLE_REGNUM): Define.
25095 (FINALIZE_PIC): Disable.
25096 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25097 (rs6000_replace_regno): Delete.
25098 (rs6000_finalize_pic): Likewise.
25099 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25101 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25103 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25104 is a note; use <= for the compare; advance P while it is
25107 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25109 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25110 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25112 * varasm.c (remove_from_pending_weak_list): Verify t->name
25113 is non-NULL before passing it to strcmp.
25115 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25117 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25118 the typed arguments are not part of a comment
25119 (ioctl_fix_ctrl): Added a purpose comment
25120 *fixinc/fixincl.x: regenerate
25121 *fixinc/inclhack.sh: regenerate
25123 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25125 * invoke.texi: Add C4x invocation docs.
25127 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25129 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25131 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25133 (c4x_legitimize_reload_address): New function.
25134 * config/c4x/c4x.md: Update docs.
25136 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25138 * fixincludes: Avoid removing '.'.
25139 * fixinc/fixinc.svr4: Likewise.
25140 * fixinc/fixinc.winnt: Likewise.
25141 * fixinc/inclhack.tpl: Likewise.
25142 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25144 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25146 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25148 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25150 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25152 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25155 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25157 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25158 * configure: Regenerate.
25160 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25162 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25165 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25167 * fixinc/inclhack.def (avoid_bool): Also catch
25168 "typedef [unsigned] int bool".
25169 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25171 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25172 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25173 * configure: Rebuilt.
25175 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25177 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25178 such that we can override its definitions if necessary.
25179 (CPP_SPEC): New define. Support processor specific predefines via
25181 (CC1_SPEC): New define. Support processor specific compiler
25182 options via %(cc1_cpu).
25183 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25186 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25188 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25189 between sed's -e flag, and the open-quote following it.
25190 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25192 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25193 Jeffrey A Law (law@cygnus.com)
25195 * varasm.c (assemble_start_function): Remove the function
25196 from the pending weak decls list when we define a function.
25197 (assemble_variable): Similarly for variables.
25198 (weak_finish): Ignore items on the list with a NULL name.
25199 (remove_from_ending_weak_list); New function to "remove" an item
25200 from the pending weak declarations list.
25202 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25204 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25206 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25208 * c-lex.c (GETC): Redefine to call getch.
25209 (UNGETC): Redefine to call put_back.
25210 (putback_buffer): New structure type.
25211 (putback): New static structure.
25212 (getch): New function.
25213 (put_back): New function.
25214 (yylex): Replace unused bytes from bad multibyte character.
25216 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25218 * cpplib.c (do_define): Cast `alloca' return value.
25219 (do_include, do_undef, do_pragma): Likewise.
25220 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25222 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25223 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25225 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25227 * sparc.md (abstf2): This should be an expand.
25228 (split after abstf2_notv9): Fix mode.
25229 (abstf2_hq_v9): New pattern.
25230 (abstf2_v9): Only use when no hard quad.
25231 (absdf2_v9): Fix if target is not the same as source.
25232 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25233 Add correct output constraints.
25235 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25237 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25238 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25240 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25242 * mips.h (mips_output_conditional_branch): New function.
25243 (mips_adjust_insn_length): Likewise.
25244 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25245 (ADJUST_INSN_LENGTH): Likewise.
25246 * mips.c (print_operand): Add `F' and `W' for floating-point
25247 comparison opcodes.
25248 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25250 (mips_adjust_insn_length): New function.
25251 (mips_output_conditional_branch): New function.
25252 * mips.md (length): Adjust attribute definition to handle
25253 conditional branches. Change lengths to bytes, rather than
25254 instructions throughout. Remove length attribute from
25255 instructions whose length is four bytes, and rely on the default
25257 (dslot): Fix typo in comment.
25258 Reword conditional branch patterns to use
25259 mips_output_conditional_branch.
25261 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25263 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25264 (LIB_SPEC): Likewise.
25265 Link with -lprof1_r for -g/-pg.
25267 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25269 * loop.c (check_dbra_loop): Fix change of Jan 19.
25271 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25273 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25274 (STARTFILE_SPEC): Define, override the svr4.h version.
25275 (ENDFILE_SPEC): Likewise.
25277 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25279 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25280 * fixinc/fixincl.x: Regenerated.
25281 * fixinc/inclhack.sh: Regenerated.
25283 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25285 * sh.c (barrier_align): Don't return early for normal branch/barrier
25286 when optimizing for SH2.
25288 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25290 * i386/udk.h (LINK_SPEC): Correct linker search path for
25293 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25295 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25296 (braf_label_ref_operand): Delete.
25297 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25298 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25299 label_ref, and has no predicate.
25300 The patten has a predicate to guard against invalid substitutions.
25301 (dummy_jump): Delete.
25302 (casesi): Update use of casesi_jump_2.
25304 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25306 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25307 *fixinc/fixincl.x: regenerate
25308 *fixinc/inclhack.sh: regenerate
25310 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25312 * dwarf2out.c (add_incomplete_type): New fn.
25313 (gen_struct_or_union_type_die): Call it.
25314 (retry_incomplete_types): New fn.
25315 (dwarf2out_finish): Call it.
25317 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25319 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25320 current block starts with a CODE_LABEL and ends with a CALL and
25321 we can not find all the argument setup instructions for the CALL.
25323 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25325 Revert this change:
25326 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25327 something is a candidate for optimize_bit_field_compare.
25329 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25331 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25333 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25335 * alpha.c (override_options): Thinko in last patch.
25337 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25338 (LIB_SPEC): Recognize -pthread.
25340 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25342 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25343 definition in config/arm/coff.h
25344 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25346 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25348 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25349 fixes that need "file=xxx\n" prepended before invocation
25350 (start_fixer - new): starting the fixer process is complex enough
25351 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25352 (process): uses the new routine; omit usage of putenv()
25353 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25354 * fixinc/fixincl.x: regenerate
25356 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
25358 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
25359 and version #s (1.1 -> 2.96) as needed.
25360 * README.g77: Kill way out of date file in the toplevel directory.
25362 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
25364 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
25365 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
25366 * configure: Rebuilt.
25367 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
25368 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
25369 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
25370 (SWITCH_TAKES_ARG): Likewise.
25371 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
25372 * config/t-freebsd: Moved from config/i386/ so it can used for all
25375 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
25377 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
25379 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
25381 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
25382 * configure: Rebuilt.
25384 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
25386 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
25387 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
25388 * rs6000/rs6000.c (rs6000_file_start): Use putc.
25389 (rs6000_output_load_toc_table): Same.
25390 (output_prolog, output_mi_thunk): Same.
25391 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
25392 (ASM_GLOBALIZE_LABEL): Use putc.
25394 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
25396 * alpha.md (reload_*_help): New patterns and splitters.
25397 (reload_*): Use them.
25398 (mov[qh]i): Likewise.
25400 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
25402 * cccp.c (handle_directive): Handle backslash-newlines in quoted
25405 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
25407 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
25409 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
25411 * flow.c (mark_regs_live_at_end, insn_dead_p,
25412 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
25413 and HARD_FRAME_POINTER_REGNUM special treatment if reload
25414 hasn't run or the frame pointer is needed.
25415 * haifa-sched.c (attach_deaths): Likewise.
25416 * sched.c (attach_deaths): Likewise.
25418 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
25420 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
25421 calculate_can_reach_end returns nonzero.
25423 * configure.in (native gas tests): Search for an assembler in the
25424 same manner that the installed compiler will.
25425 * configure: Rebuilt.
25426 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
25428 * alias.c (find_base_term): Improve handling of addresses
25429 constructed from binary operations.
25431 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
25433 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
25435 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
25437 * function.h (cleanup_label, frame_offset): Declare.
25438 (tail_recursion_label, tail_recursion_reentry): Likewise.
25439 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25440 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
25441 (tail_recursion_label, tail_recursion_reentry): Likewise.
25442 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25444 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
25446 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
25448 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
25449 (MAX_OFILE_ALIGNMENT): Define.
25451 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
25453 * fixincl.c: Replace local include scheme with #includes of
25454 gansidecl.h and system.h.
25455 * procopen.c: Likewise.
25456 * server.c: Likewise.
25458 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
25460 * i386/t-dgux (EXTRA_PARTS): Add crti.o
25461 (crti.o): Add build rule and dependencies.
25462 * fixinc/fixinc.dgux: Use modified _int_varargs.h
25464 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25466 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
25467 (LIB_LINUX_SPEC): Likewise.
25468 (LIB_LINUX_SPEC): Add support for -pthread
25469 (CPP_OS_LINUX_SPEC): Likewise.
25470 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
25473 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
25475 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
25477 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
25478 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
25479 for IEEE math and CC_FCOMI.
25480 (put_jump_code): No IEEE if CC_FCOMI is set.
25482 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25484 * fold-const.c (fold_truthop): Make the field reference unsigned
25485 when converting a single bit compare.
25487 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25489 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
25491 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
25493 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
25494 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
25497 * reload.c (push_reload): Do not call remove_address_replacements
25498 when presented with identical optional reloads.
25500 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
25502 * alpha.h (MASK_FIX, TARGET_FIX): New.
25503 (MASK_*): Reorganize constants.
25504 (CPP_AM_FIX_SPEC): New.
25505 (TARGET_SWITCHES): Add FIX.
25506 (EXTRA_SPECS): Likewise.
25507 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
25508 (SECONDARY_MEMORY_NEEDED): Likewise.
25509 (REGISTER_MOVE_COST): Likewise.
25510 * alpha.c (override_options): Add FIX support. Always use
25511 ALPHA_TP_PROG for ev6.
25512 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
25513 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
25514 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
25516 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
25518 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25519 something is a candidate for optimize_bit_field_compare.
25521 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
25523 * gcc.texi (Passes): Document branch-shortening.
25524 * invoke.texi (Debugging Options): Document the fact that `-dp'
25525 outputs length information for instructions.
25527 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
25529 * flow.c: Revert previous delta.
25531 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
25533 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
25534 FRAME_POINTER_REGNUM.
25535 (mark_set_1): Ditto.
25536 (mark_used_regs): Ditto.
25538 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
25540 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
25541 (GOT_PCREL): New macro. Define to 1 if not already defined.
25542 * arm/elf.h (GOT_PCREL): Define to 0.
25543 * arm.c (arm_finalize_pic): Take into account the setting of
25546 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
25548 * output.h (STRIP_NAME_ENCODING): Provide default definition.
25549 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
25551 * flow.c (mark_set_1): Do not record BLKmode stores as dead
25552 store elimination candidates.
25554 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
25556 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
25559 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
25561 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
25562 Add use of x-aix41-gld.
25564 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
25566 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
25567 (ASM_OUTPUT_DESTRUCTOR): Define.
25569 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
25571 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
25572 last CODE_LABEL in a loop if we have previously passed a jump
25573 to the top of the loop.
25575 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
25577 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
25578 applying Philip's patch.
25580 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
25582 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
25585 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
25587 * loop.c (strength_reduce): Grow reg_single_usage as needed.
25589 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
25591 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
25592 Also remove a useless comment.
25594 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25596 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
25598 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
25600 * collect2.c (main): Only generate import or export file and add
25601 to link arguments if non-empty. Use xmalloc not alloca.
25602 (write_{export,import}_file): Delete.
25603 (write_aix_file): New function.
25604 (locatelib): Use xmalloc not malloc.
25605 (GCC_OK_SYMBOL): Do not check type if aix64.
25607 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
25609 Based on patch by Scott Bambrough and Pat Beirne:
25610 * config/arm/arm.c (making_const_table): New variable.
25611 * config/arm/arm.h (making_const_table): Declare.
25612 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
25614 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
25615 Keep track of when we are building the constant table.
25617 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
25619 * config/arm/arm.c (arm_override_options): Fix erroneous warning
25622 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
25624 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
25627 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
25629 * tm.texi (FUNCTION_ARG): Correct description of a stack element
25632 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
25634 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
25636 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25638 * rs6000.c (output_mi_thunk): Enable full support again.
25640 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25642 * sh.h (BRANCH_COST): Define.
25644 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
25646 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
25648 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
25650 * function.c (assign_stack_local): Align stack slot propertly.
25651 (assign_outer_stack_local): Likewise.
25653 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
25655 * expr.h (lang_expand_constant): Declare.
25656 * toplev.c (lang_expand_constant): Define it.
25657 * varasm.c (output_constant): Use it.
25659 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25661 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
25662 Change function definitions to K&R style.
25664 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25666 * fixinc/fixincl.c: We must not ignore SIGCLD now.
25668 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
25670 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
25671 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
25672 (several places): omit static initialization
25673 (process): use single fd, since only the read fd is used
25674 * fixinc/gnu-regex.c: define 'const' away, if not supported
25675 * fixinc/procopen.c(several places): omit static initialization
25676 * fixinc/server.c: define 'volitile' away, if not supported
25678 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25680 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
25681 asm_fprintf and %L to generate the label name.
25682 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
25683 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
25685 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
25687 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
25688 insn for a conditional jump can not be found.
25690 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
25692 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
25693 on variables in specific sections other than .sbss and .sdata.
25695 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
25697 * stmt.c (expand_return): Call start_cleanup_deferral and
25698 end_cleanup_deferral around conditional code.
25700 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25702 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
25703 filename lists. Utilizes new "krstr" AutoGen function.
25704 * fixinc/fixincl.x: Rebuilt.
25706 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
25708 * i386.c (output_float_compare): Avoid GNU-C extensions.
25710 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
25712 * version.c: Bump to distinguish mainline tree from the
25715 See ChangeLog.1 for earlier changes.