1 2000-04-25 Richard Henderson <rth@cygnus.com>
3 * calls.c (expand_call): Disable tail call generation once
4 rtx_equal_function_value_matters is false.
6 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
9 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
11 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
13 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
15 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
16 is the primary DIE for a member function.
17 (gen_decl_die): Call set_decl_origin_self here.
18 * dwarfout.c (output_decl): And here.
19 * integrate.c (output_inline_function): Not here.
20 Don't clear DECL_INLINE until after calling rest_of_compilation.
21 (set_decl_origin_self): No longer static.
22 * tree.h: Add prototype.
23 * toplev.c (note_deferral_of_defined_inline_function): Only write
24 out abstract instance for actual inlines.
26 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
28 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
29 EXTENDED_REGS only if TARGET_AM33.
30 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
31 SP_REGS to register allocation and reloading unless absolutely
33 (movsi3): Remove special-case of adding non-constants to SP.
35 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
37 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
38 INCLUDES to search and does not provide any of its own. Also it
39 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
40 parameters. Also it does not call AC_DEFINE.
41 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
42 AC_DEFINE and provides for automatic entries for autoheader.
43 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
45 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
46 so we can pass -I flags and include gansidecl.h/system.h in this
49 * acconfig.h: Delete all NEED_DECLARATION_* entries.
51 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
53 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
54 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
55 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
57 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
58 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
59 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
60 for these macros. Clean up spacing and linewraps.
62 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
64 * calls.c (expand_call): Use get_callee_fndecl.
66 * print-tree.c (print_node): Print the chain of an _EXPR.
68 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
69 Jim Wilson <wilson@cygnus.com>
70 Andrew Haley <aph@cygnus.com>
72 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
73 and gp save/restore problems.
74 * config/ia64/crtend.asm: Add IA-64 unwind support.
75 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
76 in fr_pad_size calculation.
77 (save_restore_insns): Move PR save area. Correct uses of
79 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
80 (ia64_expand_epilogue): Add eh_epilogue support.
81 (ia64_function_prologue): Emit .prologue directive.
82 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
83 (ia64_override_options): Set init_machine_status and
85 (rtx_needs_barrier): Handle bsp reads and writes.
86 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
88 (process_set, process_for_unwind_directive): New functions.
89 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
90 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
91 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
93 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
94 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
95 (struct machine_function): Define.
96 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
98 2000-04-25 Bruce Korb <bkorb@gnu.org>
100 * fixinc/Makefile.in: make the removal of old programs more
102 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
103 install-bin and install-sh
105 2000-04-25 Nick Clifton <nickc@cygnus.com>
107 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
108 defined, define to return zero.
109 (function_cannot_inline_p): If a function has any target
110 specific attributes, then use the macro
111 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
112 whether it can be inlined. If it cannot, issue a suitable
115 * tm.texi: Add a new node 'Inlining' to document the new macro
116 FUNCTION_ATTRIBUTE_INLINABLE_P.
118 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
120 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
123 2000-04-25 Neil Booth <NeilB@earthling.net>
125 Restore previous patch, plus the following fixes:
127 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
128 flags, not CPP_OPEN_PAREN.
129 * cpplex.c (expand_token_space, init_token_list,
130 cpp_free_token_list): Put the dummy token at list->tokens[-1].
131 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
133 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
135 * config/i386/freebsd.h (INT_ASM_OP): Define.
137 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
139 * loop.c (strength_reduce): Fix typo in the last checkin.
141 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
143 * stor-layout.c (finalize_record_size): Simplify to use existing
145 (compute_record_mode): No longer static.
146 * tree.h (compute_record_mode): New declaration.
148 2000-04-25 Neil Booth <NeilB@earthling.net>
150 * Revert my patch below until cause of build failures
153 2000-04-25 Richard Henderson <rth@cygnus.com>
155 * combine.c (combine_instructions): Add missing argument
158 * toplev.c (rest_of_compilation): Delay sibcall optimization
159 until after emit_eh_context.
161 2000-04-24 Nick Clifton <nickc@redhat.com>
163 * combine.c (combine_instructions): Do not try to combine a
164 sequence of insns when the second insn has been replaced by a
167 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
169 * gcc.c (load_specs): New static function.
170 (read_specs): Use it.
172 * gcc.c (lookup_compiler): Make multiple passes for case
173 insensitive filesystems.
175 2000-04-24 Neil Booth <NeilB@earthling.net>
177 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
178 * cpphash.h (_cpp_check_directive): new.
179 * cpplex.c (handle_newline, cpp_free_token_list,
180 init_trigraph_map, trigraph_ok, trigraph_replace,
181 backslash_start, skip_block_comment, skip_line_comment,
182 skip_whitespace, parse_name, parse_number, parse_string,
183 copy_comment, _cpp_lex_line, spell_char, spell_string,
184 spell_comment, spell_name, spell_other, _cpp_lex_file,
185 _cpp_output_list): new.
186 (expand_name_space): take length argument.
187 (init_token_list): add comment list initialisation.
188 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
189 instead of HSPACE_BEFORE.
191 * cpplib.c (_cpp_check_directive): new
192 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
193 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
194 (HSPACE_BEFORE): delete.
195 (TTYPE_TABLE): rearrange.
196 (struct cpp_toklist): update.
198 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
200 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
201 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
202 argument form of AC_DEFINE.
204 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
205 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
206 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
207 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
208 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
210 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
212 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
214 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
215 deduced.h): Use -isystem, not -I, for including system headers.
217 2000-04-24 Nick Clifton <nickc@cygnus.com>
219 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
220 the source register is the frame pointer or arg pointer.
221 (addsi3_small_int): Disallow if source register is the frame
222 pointer or arg pointer.
224 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
226 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
227 call to AC_MSG_RESULT.
229 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
231 * invoke.texi: Correct grammatical errors, document
232 -fno-gnu-keywords as identical to -fno-asm for C++.
234 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
236 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
237 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
238 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
239 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
240 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
242 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
243 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
244 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
245 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
248 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
250 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
251 (pop_alignment): Likewise.
252 (handle_pragma_token): Likewise.
254 2000-04-24 Robert Lipe <robertlipe@usa.net>
256 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
258 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
260 * combine.c (try_combine): Update reg_nonzero_bits of
261 newi2pat before newpat.
263 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
265 * loop.c (strength_reduce): Simplify test to INSN_P.
266 (record_giv): Attempt to simplify the add value, use CONSTANT_P
267 expressions instead of CONST_INT.
268 (express_from_1): Likewise.
270 2000-04-24 Mark Mitchell <mark@codesourcery.com>
272 * regs.h (reg_n_max): Don't declare.
273 * flow.c (reg_n_max): Don't define.
274 * regclass.c (renumber): Don't initialize to zero.
275 (regno_allocated): Likewise.
277 (allocate_reg_info): Don't initialize unnecessarily.
279 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
281 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
282 and blockage_p in the newly allocated attribute.
284 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
286 * config/mn10300/mn10300.md (addsi): `inc4' on address
287 registers does not modify cc, but `inc' on an extended
290 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
292 * reload.c (find_equiv_reg): Checks all valueno regs
293 as a reload_reg_p regs.
295 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
297 * cpphash.c (collect_objlike_expansion): Add sanity check.
298 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
299 the buffer is the empty string, return. Mark __DATE__ and
300 __TIME__ as XCONST nodes, not MCONST.
301 (_cpp_macroexpand): Avoid pushing an empty buffer.
302 (funlike_macroexpand): Don't pop token_buffer here.
304 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
306 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
307 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
308 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
309 (REGNO_OK_FOR_BASE_P): Define in terms of them.
310 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
311 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
312 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
314 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
316 * loop.c (simplify_giv_expr): Be more agressive on simplifying
319 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
321 * cpphash.h (struct definition): Move file, line, col members...
322 (struct hashnode): ... here. Also add 'disabled' flag.
323 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
324 T_IDENTITY. Remove T_DISABLED.
327 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
328 (collect_expansion): Split into collect_objlike_expansion and
329 collect_funlike_expansion.
330 (_cpp_macroexpand): Split out scan_arguments, stringify, and
332 (_cpp_compare_defs): Rename compare_defs, make static.
333 (_cpp_make_hashnode): Initialize hp->disabled.
334 (macro_cleanup): Adjust for new token types. Clear
336 (_cpp_create_definition): Move code here to determine what
337 sort of macro it is, and code to check for redefinitions, from
338 do_define. Implement a few simple cases without creating a
340 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
341 Handle the simple cases.
342 (push_macro_expansion): Set buf->has_escapes and hp->disabled
345 * cppinit.c (builtin_array): Change MCONST to XCONST
347 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
348 fix check for disabled and function-like macros.
349 * cpplib.c (do_define): Move most logic to
350 _cpp_create_definition.
351 (do_undef): Handle new special token types.
353 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
355 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
356 of CONSTANT_P for mult_val; always use validate_change to update insn.
358 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
360 * cpphash.c (trad_stringify, add_pat): New functions.
361 (collect_expansion): Restore support for -traditional syntax.
362 Use trad_stringify and add_pat.
363 (_cpp_macroexpand): Restore support for -traditional semantics.
364 * cpplex.c (_cpp_scan_line): Don't change space_before if we
366 (_cpp_lex_token): Provide COMMENT tokens to caller if
367 traditional and parsing_define_directive.
368 (skip_comment): Warn about // comments if -Wtraditional.
369 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
371 (do_undef): Don't warn about undefining EMPTY nodes.
373 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
375 * loop.c (strength_reduce): Fix biv removal code.
377 2000-04-22 Richard Henderson <rth@cygnus.com>
379 * predict.c (estimate_probability): Examine both sides of
380 a branch for no exits. Use 90% not 50% for predict taken.
381 Reorg for one copy of note generation code.
383 2000-04-22 Richard Henderson <rth@cygnus.com>
385 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
387 2000-04-22 Richard Henderson <rth@cygnus.com>
389 * diagnostic.c (init_output_buffer): Don't initialize format_args.
390 (output_clear): Likewise.
391 (output_printf): Use va_copy.
392 (vline_wrapper_message_with_location): Likewise.
393 (v_message_with_decl): Likewise.
394 (line_wrapper_printf): VA_START infor buffer.format_args directly.
395 * system.h (va_copy): Provide default implementation.
397 2000-04-22 Richard Henderson <rth@cygnus.com>
399 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
400 the collected condition is not a constant.
402 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
404 * diagnostic.h: New file.
406 * Makefile.in (diagnostic.o): Depends on diagnostic.h
408 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
409 various function prototypes.
410 (diagnostic.h): #include.
411 (struct output_buffer): Move into diagnostic.h.
412 (get_output_prefix): Rename to output_get_prefix. Export.
413 (init_output_buffer): Export. Break out. Ajust intialization.
414 (output_space_left, output_append): Export.
415 (output_newline): Rename to output_add_newline. Export.
416 (output_clear): Nullify additional output_buffer fields.
417 (output_puts): Rename to output_add_string. Export.
418 (dump_output): Rename to output_flush_on. Export.
419 (build_location_prefix): Constify return-type.
420 (emit_output_prefix): Rename to output_emit_prefix. Export.
421 (set_real_maximum_length): New function.
422 (output_set_maximum_length): Ditto
423 (output_clear): Ditto.
424 (output_add_character): Ditto.
425 (output_add_integer): Ditto.
426 (output_add_space): Ditto.
427 (output_format): Ditto.
428 (output_printf): Adjust buffer initialization.
429 (vline_wrapper_message_with_location): Ditto.
430 (v_message_with_decl): Ditto. Adjust call to output_puts
431 and get_output_prefix.
432 (default_print_error_function): Adjust buffer intialization.
434 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
436 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
439 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
441 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
444 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
446 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
447 accurate data about SP moves.
449 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
451 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
452 aliases to AM33 registers.
454 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
456 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
457 to all EXTENDED bitmaps.
459 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
461 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
462 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
463 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
465 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
467 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
468 the operand is not constant.
470 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
472 * reload.c (find_equiv_reg): Checks all valueno and regno regs
473 as a call-clobbered regs.
475 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
477 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
479 * rtl.def: Update comment.
480 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
481 * integrate.c (expand_inline_function): Likewise.
482 * profile.c (branch_prob): Likewise.
483 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
484 * print-rtl.c (print_rtx): Likewise.
485 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
486 (reemit_notes): Likewise; also use enum insn_note.
488 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
489 (place_field): Properly compute know and actual alignment.
491 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
494 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
497 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
499 * cpphash.c (struct arg, struct arglist): Const-ify strings.
500 (warn_trad_stringify, duplicate_arg_p): New helper functions.
501 (collect_expansion): Rewrite to scan over a token list.
502 Remove -traditional support.
503 (collect_formal_parameters): Rename to collect_params; rewrite
504 to scan over a token list.
505 (_cpp_create_definition): Adjust to scan a token list.
506 (_cpp_macroexpand): Remove -traditional support.
507 (_cpp_compare_defs): Whitespace is now canonicalized.
508 (comp_def_part): Delete function.
510 * cpphash.h: Update prototypes.
511 * cpplex.c (init_token_list): Don't set lineno if there is no
513 (pedantic_whitespace): New function.
514 (_cpp_scan_line): Mark tokens that had hspace before. Don't
515 consume a newline. Use pedantic_whitespace.
516 (_cpp_lex_token): Remove support for -traditional macros.
517 (_cpp_get_define_token): Delete.
518 (_cpp_get_directive_token): Do the real work here. Use
520 (_cpp_init_input_buffer): Initialize pfile->directbuf.
522 * cpplib.c (get_macro_name): Delete.
523 (do_define): Read the entire line into pfile->directbuf, then
524 feed the token list to _cpp_create_definition.
525 * cpplib.h (HSPACE_BEFORE): new define.
526 (struct cpp_reader): Add a toklist member, "directbuf".
528 * predict.c (estimate_probability): New heuristic: if a jump
529 branches around a block with no successors, predict it taken.
530 Disentangle control flow.
532 2000-04-20 Richard Henderson <rth@cygnus.com>
534 * loop.c (emit_iv_add_mult): Revert last change.
536 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
538 * cpplib.h (enum cpp_ttype): Add token types for all
539 punctuators. Distinguish pp-numbers from valid C numbers.
540 Give some tokens better names. Initialize from macro.
541 (struct cpp_name, cpp_token, cpp_toklist): New data
544 * cpplex.c (bump_column, expand_name_space,
545 expand_token_space, init_token_list, cpp_output_list,
546 _cpp_scan_line): New functions.
547 (output_line_command): Add third argument, new line number.
548 * cpphash.h: Update prototypes.
549 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
552 2000-04-20 Richard Henderson <rth@cygnus.com>
554 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
556 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
558 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
561 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
563 * loop.c (emit_iv_add_mult): Simplify it's input and emit
564 REG_EQUAL note explaining the calculated value.
566 * calls.c (expand_call): Avoid unnecesary precalculation
567 and outgoing parameters space guarding for sibling calls.
568 (store_one_arg): Likewise.
570 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
572 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
573 (rest_of_compilation): Write sibling dump file and account
574 for time as jump time.
575 * invoke.texi: Update documentation on dump flags.
577 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
579 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
581 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
583 * cpphash.c (special_symbol): Represent an empty macro with
584 "\r \r " not just "\r ".
585 (_cpp_macroexpand): Correct condition for the foo ( ) special
587 (unsafe_chars): Handle EOF as second argument.
588 (push_macro_expansion): Simplify test for removing escape at
589 end. Do not trim both escapes if there is no text in between.
591 2000-04-19 Jim Blandy <jimb@redhat.com>
593 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
594 of PTR_SIZE, when appropriate.
596 2000-04-19 Mark Mitchell <mark@codesourcery.com>
598 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
599 (USE_ENUM_BITFIELDS): Fix typo.
601 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
603 * stor-layout.c (place_field): Set rli->offset_align properly.
605 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
607 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
608 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
609 PARM_BOUNDARY): Remove unnecessary casts.
611 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
613 * calls.c (precompute_arguments): Remove must_preallocate and
615 (expand_call): Update call of precompute_arguments.
617 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
618 check_insn_for_givs): Break out from ...
619 (strength_reduce) ... here; use for_every_insn_in_loop to call
621 * loop.h (for_every_insn_in_loop): Declare.
622 (loop_insn_callback): New type.
624 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
626 * cpplib.c (do_pragma_poison): Strings in the token buffer are
629 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
631 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
634 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
636 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
638 * configure.in: Delete --disable-cpplib option and all
639 references to cpp_main.
640 * configure: Regenerate.
641 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
642 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
643 cccp.o, cccp, or cppmain. Link cppmain.o straight to
644 cpp$(exeext). Add --no-headers to makeinfo command line when
645 generating INSTALL. Install and uninstall cpp.1 manpage, not
647 * install.texi: Delete all references to cexp.y/cexp.c.
648 Delete ancient instructions for compiling GCC on 3b1.
649 * INSTALL: Regenerate.
651 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
652 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
653 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
655 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
656 which is no longer tested anywhere.
658 * cppinit.c (handle_option): Don't run error message through
661 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
663 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
664 * cpperror.c (hashtab.h): Now include.
665 * cppexp.c (hashtab.h): Likewise.
666 * cpplex.c (hashtab.h): Likewise.
667 * cppfiles.c (hashtab.h): Likewise.
668 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
669 to htab_find_slot_with_hash.
670 * cpphash.c (hashtab.h): Now include.
671 (_cpp_lookup_slot): INSERT is now enum insert_option.
672 * cpphash.h (_cpp_lookup_slot): Likewise.
673 * cppinit.c (hashtab.h): Include earlier.
674 (initialize_builtins): Pass enum to htab_find_slot.
675 * cpplib.c (hashtab.h): Now include.
676 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
677 (do_pragma_poison, do_assert): Likewise.
678 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
679 htab_find_slot_with_hash.
680 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
681 * tree.c (type_hash_add): Likewise.
682 (build1): Minor cleanup.
684 * ggc-common.c: Add missing blanks.
685 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
686 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
688 * stmt.c (mark_case_node): New function.
689 (mark_case_nesting): Call it.
691 * expmed.c (emit_store_flag): If comparing two-word integer
692 with zero, can optimize NE, EQ, GE, and LT.
694 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
695 * conflict.c: Minor cleanups.
696 * optabs.c: Add blank line
697 * simplify-rtx.c: Minor cleanups.
699 2000-04-18 Stan Cox <scox@cygnus.com>
701 * gengenrtl.c (genlegend): Fix misspelling.
703 2000-04-18 Robert Lipe <robertlipe@usa.net>
705 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
706 bitfields of the host compiler are not signed quantities.
707 * config.in: Regenerate.
708 * configure: Regenerate.
709 * system.h (USE_ENUM_BITFIELDS): Added.
710 (ENUM_BITFIELDS): Added.
711 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
712 (SHORT_ENUM_BUG): Deleted.
713 * tree.h (tree_common): Members `code', `mode', `built_in_class',
715 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
716 (CODE_FIELD_BUG): Likewise.
717 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
719 * config/m68k/x-ccur (X_CFLAGS): Likewise.
721 2000-04-18 Mark Mitchell <mark@codesourcery.com>
723 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
726 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
728 * cppexp.c (lex): Don't assume tokens are NUL terminated.
729 * cpplib.c (do_include, do_import, do_include_next,
730 read_line_number, detect_if_not_defined): Likewise.
731 * cpphash.c (collect_expansion): Likewise.
732 (special_symbol, _cpp_macroexpand): Check return from
734 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
735 macros. Delete all uses.
737 * gcc.dg/cpp-mi.c: Add two more test cases.
738 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
740 2000-04-17 Richard Henderson <rth@cygnus.com>
742 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
743 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
745 2000-04-17 Mark Mitchell <mark@codesourcery.com>
747 * function.c (expand_function_start): Use hard_function_value to
748 compute the RTL to use for DECL_RESULT.
750 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
752 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
753 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
754 x86_memory_mismatch_stall): New global variables.
755 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
756 alloved; fix load penalties for Athlon.
757 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
758 x86_memory_mismatch_stall): Declare.
759 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
760 TARGET_MEMORY_MISMATCH_STALL): New.
761 * i386.md (athlon scheduling parameters): Fix latencies according to
762 Athlon Optimization Manual.
763 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
765 (fsqrt instruction patterns): Set athlon_decode to direct.
766 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
767 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
768 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
769 and TARGET_PARTIAL_REGISTER_STALL machines.
770 (pushdf_nointeger): New pattern.
771 (pushdf_integer): Rename from pushdf.
772 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
773 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
775 2000-04-17 Richard Henderson <rth@cygnus.com>
777 * loop.c (canonicalize_condition): Add WANT_REG argument.
778 Stop the search if we match it.
779 * expr.h (canonicalize_condition): Update decl.
780 * predict.c (expected_value_to_br_prob): Use it. Track last
782 (find_expected_value): Remove.
784 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
786 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
788 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
789 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
791 * configure.in: Call AC_FUNC_MMAP_FILE.
792 * configure: Regenerate.
793 * config.in: Regenerate.
795 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
796 * fixinc/fixincl.c: Likewise.
798 2000-04-17 Richard Henderson <rth@cygnus.com>
800 * builtins.c (expand_builtin_expect): New.
801 (expand_builtin): Call it.
802 * builtins.def (BUILT_IN_EXPECT): New.
803 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
804 * extend.texi: Document it.
806 * predict.c (expected_value_to_br_prob): New.
807 (find_expected_value): New.
808 * basic-block.h (expected_value_to_br_prob): Declare.
809 * toplev.c (rest_of_compilation): Invoke it.
811 * rtl.h (NOTE_EXPECTED_VALUE): New.
812 (NOTE_INSN_EXPECTED_VALUE): New.
813 * rtl.c (note_insn_name): Update.
814 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
815 cases; handle NOTE_INSN_EXPECTED_VALUE.
817 2000-04-17 Jakub Jelinek <jakub@redhat.com>
819 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
820 leaf sibcall delay slot if flag_pic.
821 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
823 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
825 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
827 * fixproto: If fix-header fails, exit with an error.
829 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
831 * cse.c (struct check_depdendence_data): New.
832 (check_dependence): New function.
833 (invalidate): Use check_depdenence.
835 2000-04-16 Mark Mitchell <mark@codesourcery.com>
837 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
838 UNITS_PER_WORD is unsigned.
840 * tree.h (struct tree_common): Remove misleading comment.
842 2000-04-16 Dave Pitts <dpitts@cozx.com>
844 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
845 message in quotes. Otherwise, IBM's make program treats the '#' as the
846 start of a comment and ignores the remainder of the line.
848 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
850 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
851 * cexp.y (initialize_random_junk): Likewise.
852 * cppfiles.c (find_include_file): Cast alloca return value.
853 * cppinit.c (initialize_standard_includes): Likewise.
854 * cpplib.c (cpp_define, cpp_undef): Likewise.
855 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
856 * final.c (output_asm_insn): Allow for holes in EBCDIC.
857 * fold-const.c (CHARMASK): New.
858 (real_hex_to_f): Use it.
859 * real.c (CHARMASK): New.
860 (etoasc, asctoeg): Use it.
861 (asctoeg): EBCDIC lower case characters preceed upper case.
863 * i370.c (mvs_add_label): Change spacing for coding conventions.
864 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
865 outputing case vectors.
866 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
867 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
868 since vector in in the data CSECT.
869 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
870 * i370.md (Many patterns): Put the length in the XL directives.
871 (movdi): Put back STM and MVC in definition.
872 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
873 pattern using the TCA.
874 * oe.h (CPP_SPEC): Added to allow trigraphs.
875 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
876 not support the "long long" type.
878 2000-04-16 Mark Mitchell <mark@codesourcery.com>
880 * config/mips/mips-protos.h (mips_legitimate_address_p): New
882 (mips_reg_mode_ok_for_base_p): Likewise.
883 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
884 (REG_OK_FOR_INDEX_P): Define unconditionally.
885 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
886 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
887 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
888 that GET_MODE_SIZE is unsigned.
889 (mips_reg_mode_ok_for_base_p): Define.
890 (mips_legitimate_address_p): Likewise. Adjust now
891 that GET_MODE_SIZE is unsigned.
892 (block_move_loop): Make the number of bytes unsigned.
893 (expand_block_move): Likewise.
894 (function_arg): Make the loop counter unsigned to match the
897 2000-04-16 Richard Henderson <rth@cygnus.com>
899 * rtl.h (enum insn_note): New enumeration. Subsume
900 NOTE_INSN_DELETED and friends.
901 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
902 * rtl.c (note_insn_name): Tweak string order.
904 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
906 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
909 * cpplex.c (output_line_command): Remove debugging prints.
910 (cpp_output_tokens): Don't write out a zero-length buffer or
911 try to see if it has a newline in it.
912 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
913 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
914 the end of the loop. Use memmove. Don't read past the end of
915 the buffer. Remove trailing newlines from error messages.
917 2004-04-16 Neil Booth <NeilB@earthling.net>
919 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
920 * cpplib.c: Add new syntax flags to directive table, and
923 2000-04-15 Ulrich Drepper <drepper@redhat.com>
925 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
928 2000-04-15 David Edelsohn <edelsohn@gnu.org>
930 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
931 * haifa-sched.c: Update -fsched-verbose comments to use "=".
933 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
935 * Makefile.in (ggc-page.o): Now includes toplev.h.
936 * ggc-page.c (toplev.h): Now included.
937 (gc_time): Remove declaration.
938 (ggc_collect): TIME now long.
939 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
941 * toplev.h (gc_time, parse_time, gc_time): New declarations.
943 * toplev.c: Make *_time variable long to reduce chance of overflow.
944 (TIMEVAR): Likewise for `otime'.
945 (print_time): Arg is now long; compute percentage in FP and round.
946 * toplev.h (print_time): Arg is long.
948 * tree.c: Minor whitespace changes.
950 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
951 * configure: Rebuilt.
952 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
953 (__fixunsxfDI): Renamed from __fixunsxfdi.
954 (__fixunsdfDI): Renamed from __fixunsdfdi.
955 (__fixunssfDI): Renamed from __fixunssfdi.
956 (__floatdisf): Use proper type in REP_BIT macro.
957 (__fixunsxfSI): Renamed from __fixunsxfsi.
958 (__fixunsdfSI): Renamed from __fixunsdfsi.
959 (__fixunssfSI): Renamed from __fixunssfsi.
960 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
961 Change location of macros and upper-case some names as above.
962 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
963 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
965 * varasm.c (assemble_variable): Add cast to remove warning.
966 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
968 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
969 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
972 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
974 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
975 call unshare_all_rtl.
977 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
979 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
981 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
982 Use .s1 not .s0 for all FP instructions.
984 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
986 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
988 (safe_fwrite, output_line_command): New static functions.
989 (cpp_expand_to_buffer): Now private to cpplib.
990 (cpp_scan_buffer): Take a printer.
992 * cpphash.h: Update prototypes.
993 * cpplib.h: Update prototypes.
995 (cpp_buffer): Remove last_nominal_fname.
996 (cpp_reader): Remove lineno.
998 * cppmain.c: Use a cpp_printer.
999 * fix-header.c: No need to inhibit line commands. Call
1000 cpp_start_read with no printer.
1002 * cpperror.c (cpp_notice_from_errno): Provide default name.
1003 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1004 (find_include_file, cpp_read_file): Use make_IHASH.
1005 (file_cleanup): Set control_macro and clear
1006 input_stack_listing_current here.
1007 (_cpp_execute_include): Don't output entering-file marker.
1008 * cpphash.c (special_symbol): Look for the line number in the
1009 buffer, not the reader.
1010 (_cpp_macroexpand): No need to disable line commands.
1011 (_cpp_dump_definition): No need to generate line commands.
1012 (dump_hash_helper): Remove excess newline from output.
1013 * cppinit.c (dump_special_to_buffer): No need to generate line
1015 (cpp_printer_init): New.
1016 (cpp_start_read): Take a printer, and start it up if it's not
1017 NULL. No need to generate line commands.
1018 (cpp_finish): Expect no buffers stacked at all. Take a
1019 printer argument, and flush the output buffer if it's not
1021 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1022 Don't put two hashes at the beginning of an assertion.
1023 (cpp_get_token): Don't increment pfile->lineno or emit line
1024 commands here. Return EOF if there's no buffer when we get
1026 * cpplib.c (do_define, skip_if_group):
1027 No need to disable line commands.
1028 (_cpp_output_line_command): Delete function.
1029 (do_line): Don't emit line commands here, but set things up so
1030 they will be emitted if necessary. Use _cpp_fake_ihash to
1031 make unique nominal_fnames if necessary.
1032 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1033 with 0 for column, not -1.
1034 (_cpp_handle_eof): Don't set the control macro here. Don't
1035 clear input_stack_listing_current here. Don't emit line
1038 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1040 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1041 always, use the default SVR4 start address.
1043 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1044 (LINK_SHLIB_SPEC): Define.
1045 (LINK_START_DEFAULT_SPEC): Define.
1046 (LINK_OS_DEFAULT_SPEC): Define.
1048 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1050 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1051 __do_global_ctors to handle constructors.
1052 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1053 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1054 (STARTFILE_MVME_SPEC): Likewise.
1055 (STARTFILE_SIM_SPEC): Likewise.
1056 (ENDFILE_ADS_SPEC): Use crtend.
1057 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1058 (ENDFILE_MVME_SPEC): Likewise.
1059 (ENDFILE_SIM_SPEC): Likewise.
1060 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1061 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1062 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1063 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1064 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1065 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1066 (CRTSTUFF_T_CFLAGS_S): Define.
1067 * config/rs6000/eabi-ctors.c: Delete.
1069 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1072 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1076 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1078 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1079 plus mask size is smaller or equal to the mode size.
1081 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1083 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1086 * expr.c (reload.h): Now included.
1087 (emit_block_move): Set volatile_ok when checking for movstr.
1088 (emit_move_1): Check for replacements in addresses in multi-word case.
1089 * Makefile.in (expr.o): Now includes reload.h.
1091 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1092 Never have a LIBCALL end a basic block.
1093 (find_basic_blocks_1): Likewise.
1094 Reorganize CALL_INSN cases.
1096 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1098 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1100 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1101 completers from mov.ret instruction.
1103 2000-04-14 Richard Henderson <rth@cygnus.com>
1105 * fold-const.c (extract_muldiv): Don't distribute and widen
1106 multiply across plus for non-sizetype unsigned types.
1108 2000-04-14 Richard Henderson <rth@cygnus.com>
1110 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1111 If the original source is dead in the incr insn, it's dead now.
1113 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1115 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1116 see if DECL_BIT_FIELD needs to still be set.
1118 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1120 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1121 print_int_cst_octal with something that's not an INTEGER_CST.
1123 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1124 and not a SUBREG to a FLOAT rtl.
1126 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1128 * emit-rtl.c (try_split): Avoid infinite loop if the split
1129 results in a sequence that contains the original insn.
1131 2000-04-13 Andreas Jaeger <aj@suse.de>
1133 * config/mips/mips.c (expand_block_move): Pass alignment
1134 argument to move_by_pieces in bits, not bytes.
1136 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1137 __pic__ for little endian.
1139 2000-04-13 Andreas Jaeger <aj@suse.de>
1141 * config/i386/i386-protos.h: Add prototype for
1142 uno_comparison_operator.
1144 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1146 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1147 * calls.c (ECF_PURE): New flag.
1148 (emit_call_1): Handle ECF_PURE calls.
1149 (initialize_argument_information): Unset ECF_PURE flag too.
1150 (precompute_arguments): Precompute for ECF_PURE too.
1151 (expand_call): Handle ECF_PURE calls too.
1152 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1153 accept value of 2 as pure function.
1154 (emit_library_call_value, emit_library_call): Rename no_queue argument
1156 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1158 * tree.h (DECL_IS_PURE): New macro.
1159 (struct tree_decl): Add pure_flag.
1160 * c-common.c (enum attrs): Add attribute "pure".
1161 (init_attributes): Initialize attribute "pure"
1162 (decl_attributes): Handle attribute "pure".
1163 * extend.texi (Attribute "pure"): Document.
1164 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1166 (flags_from_decl_or_type): Support attribute "pure".
1168 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1170 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1171 the token except for numbers and identifiers.
1173 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1175 * i386.c (ix86_expand_binary_operator,
1176 ix86_expand_unary_operator): Check no_new_pseudos
1177 instead of reload_in_progress and reload_completed.
1178 (ix86_split_ashldi, ix86_split_ashrdi,
1179 ix86_split_lshrdi): Check no_new_pseudos instead
1180 of reload_completed.
1182 2000-04-12 Jeffrey A Law (law@cygnus.com)
1184 * function.c (purge_addressof): Unshare any shared rtl created by
1185 purge_addressof and its children.
1187 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1189 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1192 2000-04-05 Andreas Jaeger <aj@suse.de>
1194 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1195 not compiling PIC code, add flags for mabi=64.
1196 (SUBTARGET_CPP_SIZE_SPEC): New.
1197 (SUBTARGET_CPP_SPEC): New.
1198 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1199 for MIPS/Linux and lots of code needs these defines.
1201 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1203 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1204 trying the "opposite arithmetic" approach.
1206 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1208 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1209 (struct sh_args): Add new field force_mem.
1210 (INIT_CUMULATIVE_ARGS): Initialize it.
1211 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1213 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1215 * calls.c (expand_call): Do not reverse args in "equal from" field.
1216 (emit_library_call_value_1): Emit_libcall_block for const and pure
1219 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1221 * reload1.c (reload_combine): Don't enable optimization for fixed
1222 registers when encountering a BARRIER.
1224 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1226 * builtins.c (expand_builtin_memcmp): Do expansion even with
1227 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1229 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1230 stack is propertly aligned; add sanity checking for aligned
1232 (expand_library_call_value_1): Add sanity checking for aligned
1235 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1237 * calls.c (emit_library_call_value_1): Change 3rd arg to
1238 locate_and_pad_parm to disregard the setting of partial.
1240 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1242 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1244 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1245 CALL_INSN from the normal case.
1247 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1249 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1250 New global variables.
1251 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1253 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1255 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1256 TARGET_ADD_ESP_8): New macros.
1257 * i386.md: Add peep2s to convert esp adjustments to push and pop
1259 (pushsi_prologue, popsi_epilogue): New patterns.
1261 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1263 * real.c (toe64): Remove stale #endif from the last change.
1265 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1267 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1268 * real.c (toe64): Revert previous change.
1270 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1272 * objc/objc-act.c: Include ggc.h.
1273 (objc_tree_index, objc_global_trees): Convert most of the
1274 static tree variables into a static array with previous names
1276 (objc_ellipsis_node): New variable.
1277 (lang_init): Call objc_act_parse_init and c_parse_init.
1278 Create objc_ellipsis_node.
1279 (build_selector_translation_table): Use objc_ellipsis_node instead
1281 (hack_method_prototype): Likewise.
1282 (get_arg_type_list): Likewise.
1283 (start_method_def): Likewise.
1284 (continue_method_def): Likewise.
1285 (gen_method_decl): Likewise.
1286 (ggc_mark_imp_list): New function.
1287 (ggc_mark_hash_table): New function.
1288 (objc_act_parse_init): New function.
1289 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1290 * c-parse.in (c_parse_init): For objc add roots of objc specific
1291 local tree variables.
1292 * objc/objc-parse.y: Rebuilt.
1293 * objc/objc-parse.c: Rebuilt.
1294 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1296 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1298 * cse.c (delete_trivially_dead_insns): Also delete insns
1299 that copy a register to itself where the destination is
1302 2000-04-11 Richard Henderson <rth@cygnus.com>
1304 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1305 (propagate_block): Initialize them. Use them in parallel instead
1306 of one tmp variable, ie revert much of the 0408 and 0407 functional
1307 changes, but keep the structural changes.
1308 (mark_set_regs): Take new_dead from propagate_block_info instead.
1309 (mark_set_1, mark_set_reg): Likewise.
1310 (mark_used_regs): Likewise with new_live.
1311 (mark_used_reg): Likewise. Revert 0408 change.
1313 2000-04-11 Nick Clifton <nickc@cygnus.com>
1315 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1317 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1319 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1321 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1322 const section to output a CONSTRUCTOR based on the same conditions
1325 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1327 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1328 * pa/pa-protos.h (output_call): Add additional argument indicating
1329 if the call is a sibling/tail call.
1330 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1331 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1332 (function_arg, function_arg_partial_nregs): Likewise
1333 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1334 (emit_move_sequence): Zero extend certain constants as needed
1336 (compute_zdepdi_operands, output_64bit_and): New functions.
1337 (output_64bit_ior, function_arg): Likewise.
1338 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1339 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1340 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1341 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1342 (output_bvb): Likewise.
1343 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1344 (output_call): New argument 'sibcall'. Generate sibcall sequences
1346 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1347 (ouput_arg_descriptor): Do not emit argument descriptors for
1349 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1351 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1352 (FUNCTION_OK_FOR_SIBALL): Define.
1353 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1354 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1355 (CPP_SPEC): Use new spec infrastructure.
1356 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1357 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1358 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1359 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1360 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1361 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1362 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1363 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1364 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1365 (FUNCTION_ARG); Call out to C code.
1366 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1367 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1368 (MIN_UNITS_PER_WORD): Likewise.
1369 * pa/pa.md (cmpdi): New expander.
1370 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1371 (64bit conditional arithmetic): New patterns.
1372 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1373 (movsicc): Not available if modes on all the operands to not match.
1374 (movdicc): New expander and associated patterns.
1375 (64bit branches): New patterns.
1376 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1377 (pre_ldd, post_std): New patterns.
1378 (64bit addil, load low part): New patterns.
1379 (special movsf constant): Not available for TARGET_64BIT.
1380 (movsf, movdf expanders): Force constants into memory.
1381 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1382 (64bit movdf/movdi patterns): New patterns.
1383 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1385 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1386 (adddi3 expander): Allow "arith_operand" for second input.
1387 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1388 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1389 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1390 (muldi3): New expander for TARGET_64BIT.
1391 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1393 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1394 patterns for TARGET_64BIT.
1395 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1396 patterns for TARGET_64BIT.
1397 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1398 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1399 (sibcall_epilogue): New expander.
1400 (casesi): Tweak for TARGET_64BIT.
1401 (call expanders): Set & use the outgoing argument pointer. Use the
1402 64bit call patterns as needed. Add additional arg to output_call.
1403 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1404 (sibcall, sibcall_internal_symref): New expanders.
1405 (sibcall_value, sibcall_value_internal_symref
1406 (interspace_jump): Turn into an expander + matching patterns.
1407 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
1408 * pa/pa64-regs.h: Eliminate trigraph sequences.
1409 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
1411 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
1413 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
1414 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
1415 cpp_token with cpp_ttype everywhere.
1416 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
1417 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
1418 CPP_BUF_COL. Line and column numbers are unsigned int, not
1420 * cpplex.c (cpp_buf_line_and_col): Delete.
1421 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
1422 'long lineno' to 'unsigned int lineno'.
1423 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
1425 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1427 * extend.texi: ISO C99 is not a draft anymore.
1428 * invoke.texi: ISO C++ is not a draft anymore.
1429 * cpp.texi: __cplusplus is required by the ISO standard.
1431 * extend.texi (-fthis-is-variable): Undocument.
1432 * flags.h (warn_template_debugging): Remove declaration.
1433 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
1434 -Wenum-clash, -Wtemplate-debugging): Undocument.
1436 2000-04-10 Nick Clifton <nickc@cygnus.com>
1438 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
1440 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
1442 (ARM_SIGN_EXTEND): Use HOST_UINT.
1443 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
1444 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
1445 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
1446 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
1448 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
1449 (arm_gen_constant): Use HOST_UINT.
1450 (arm_canonicalize_constant): Use HOST_UINT.
1451 (arm_reload_in_hi): Use HOST_UINT.
1452 (arm_reload_out_hi): Use HOST_UINT.
1453 (output_multi_immediate): Use HOST_UINT.
1454 (int_log2): Use HOST_UINT.
1455 (arm_poke_function_name): Use HOST_UINT.
1456 (arm_output_epilogue): Use arm_volatile_func().
1457 (output_thumb_prologue): Use arm_strip_name_encoding().
1459 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1461 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
1462 of sequence point problems.
1464 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
1466 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
1468 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
1470 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1472 * sbitmap.h: Whitespace changes and use upper-case macro args.
1473 (struct simple_bitmap_def): All sizes now unsigned.
1474 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
1475 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
1476 (sbitmap_vector_alloc): Parms and local vars now unsigned.
1477 (sbitmap_zero): Cast bzero arg to PTR.
1478 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
1479 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
1480 loop to make structure clearer.
1481 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
1482 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
1483 (sbitmap_a_and_b_or_c): Likewise.
1484 (sbitmap_intersection_of_succs): Minor cleanups.
1485 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
1486 (sbitmap_union_of_preds): Likewise.
1487 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
1488 (debug_sbitmap): New function.
1490 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
1491 * c-typeck.c (convert_for_assignment): Likewise.
1493 * expmed.c (init_expmed): Don't free objects we make.
1494 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
1496 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
1497 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
1499 * gcse.c (expr_hash_table_size): Now unsigned.
1500 (compute_ae_gen): Local variable `i' now unsigned.
1501 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
1502 (compute_transout, hoist_code): Likewise.
1503 (compute_local_properties): Likewise, also hash_table_size.
1504 (alloc_expr_hash_table): N_INSNS now unsigned.
1505 (delete_null_pointer_checks): Mark arg F as unused.
1507 * regrename.c: Minor cleanups, including chang some variables
1510 2000-04-10 Neil Booth <NeilB@earthling.net>
1512 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
1514 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
1516 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1518 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
1519 __classof__, and __headof__ from the list of gnu keywords.
1520 (-ansi): Remove -foperator-names from list of implied options.
1521 Do not call it ANSI C++.
1522 (-foperator-names): Document as -fno-operator-names.
1524 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
1526 * cpphash.c (timestamp): Delete.
1527 (del_HASHNODE): If type is T_MCONST, free value.cpval.
1528 (special_symbol): Remove unnecessary braces. Remove
1529 T_VERSION. Treat T_STDC like T_CONST unless
1530 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
1531 when one is encountered, then convert them into T_MCONST
1533 * cppinit.c (builtin_array): version_string is T_MCONST.
1534 __STDC__ has a "1" in its cpval. Don't have a terminator
1535 entry. Clean up which entries are dumped.
1536 (initialize_builtins): Only __STDC__ gets the special
1537 -traditional treatment. Count the length of builtin_array.
1538 Render version_string here.
1539 * cpphash.h: Remove T_VERSION. Add T_MCONST.
1540 * cpplib.h (struct cpp_reader): Remove timebuf.
1542 2000-04-09 Richard Henderson <rth@cygnus.com>
1544 * genrecog.c (pred): Update comparison_operator for the unordered
1547 * config/i386/i386.c (no_comparison_operator): Disallow unordered
1549 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
1550 (uno_comparison_operator): New.
1551 (put_condition_code): Handle UNORDERED/ORDERED.
1552 (unsigned_comparison): Likewise.
1553 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
1554 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
1555 (ix86_expand_fp_compare): Use them. Take scratch as argument,
1556 update all callers. Handle all 8 unordered operators.
1557 (ix86_expand_setcc): Lose the unordered argument, update all callers.
1558 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
1559 * config/i386/i386.h (PREDICATE_CODES): Update.
1560 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
1561 (ix86_expand_branch, ix86_expand_setcc): Update.
1562 * config/i386/i386.md (sunordered, sordered): New.
1563 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
1564 (bunordered, bordered): New.
1565 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
1566 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
1567 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
1569 2000-04-09 Philip Blundell <philb@gnu.org>
1571 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
1573 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
1575 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
1576 fix_truncxfhi2): New patterns.
1577 * i386.c (output_fix_trunc): Handle converting to HImode.
1579 2000-04-08 Alex Samuel <samuel@codesourcery.com>
1581 * ssa.c (convert_to_ssa): Eliminate dead code when calling
1583 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
1584 (for_each_successor_phi): Change parameter to basic_block.
1585 (coalesce_regs_in_successor_phi_nodes): Likewise.
1586 (coalesce_regs_in_copies): Likewise.
1587 (compute_coalesced_reg_partition): Use basic_block instead of index.
1588 * rtl.h (convert_to_ssa): Delete.
1589 (convert_from_ssa): Likewise.
1590 (successor_phi_fn): Likewise.
1591 (for_each_successor_phi): Likewise.
1592 (in_ssa_form): Likewise.
1593 * basic-block.h (convert_to_ssa): Moved from rtl.h.
1594 (convert_from_ssa): Likewise.
1595 (successor_phi_fn): Likewise.
1596 (in_ssa_form): Likewise.
1597 (for_each_successor_phi): Likewise. Change parameter to basic_block.
1598 * flow.c (calculate_global_regs_live): Pass a basic_block to
1599 for_each_successor_phi.
1601 2000-04-08 Richard Henderson <rth@cygnus.com>
1603 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
1604 was modified in the current insn.
1606 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1608 * arm/thumb.md: Delete.
1609 * arm/thumb-protos.h: Delete.
1611 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1613 Merge changes from merged-arm-thumb-backend-branch onto trunk.
1615 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1617 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
1620 * arm.md (nop): Use the standard RTL expression. Don't code as a
1622 (*arm_nop, *thumb_nop): Delete.
1624 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
1625 constants. Use casts instead.
1626 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
1627 output_multi_immediate, arm_poke_function_name): Likewise.
1628 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
1629 MASK_RETURN_ADDDR): Likewise.
1631 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
1633 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
1636 * arm.md (eh_epilogue): New function.
1637 * arm.h (struct machine_function): Move to here ...
1638 * arm.c: ... from here.
1639 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
1640 (thumb_exit): Extra parameter eh_ofs. All callers changed.
1641 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
1643 2000-03-30 Nick Clifton <nickc@cygnus.com>
1645 * config/arm/semi.h (ASM_SPEC): Restore definition.
1646 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1648 * config/arm/elf.h (ASM_SPEC): Restore definition.
1649 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1651 * config/arm/arm.h (ASM_SPEC): Remove definition.
1652 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
1654 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
1656 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
1658 2000-03-24 Nick Clifton <nickc@cygnus.com>
1660 Various formating tidyups, elimination of compile time
1661 warnings and synchronisation with internal sources:
1663 * config/arm/arm-protos.h (assemble_align): Add prototype.
1664 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1665 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1666 (arm_return_addr_rtx): Rename to arm_return_addr.
1668 * config/arm/arm.c: Include except.h.
1669 Define shorter typenames for strict minipool_node and struct
1671 (arm_return_in_memory): For WinCE return all structures <= 32 bits
1673 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1674 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1676 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1678 (ASM_SPEC): Define if not already defined.
1679 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1681 * config/arm/arm.md: Rename references to gen_rotated_half_load to
1682 arm_gen_rotated_half_load, and references to gen_comapre_reg to
1683 arm_gen_compare_reg.
1684 (indirect_jump): Only accept register operands.
1685 (load_indirect_jump): Keep this pattern since combine can generate
1688 * config/arm/coff.h: Include aout.h.
1689 (MULTILIB_DEFAULTS): Only define if not already defined.
1691 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
1692 into arm.h (so that COFF ports can support thumb based aliases).
1693 (ASM_SPEC): Move definition into arm.h
1695 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
1696 redundant apcs spec.
1697 (ASM_SPEC): Move definition to arm.h
1699 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
1701 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
1702 for entries in the .bss section
1704 2000-03-23 Nick Clifton <nickc@cygnus.com>
1706 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
1707 to thumb_far_jump_used_p.
1709 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
1710 single integer parameter.
1712 * config/arm/arm.c (struct machine_function): Add two new
1713 fields, 'far_jump_used' and 'arg_pointer_live'.
1714 (thumb_far_jump_used_p): Once the decision has been made that
1715 far jumps might be used, always return true.
1716 If being called from the initial elimination offset macro then
1717 do not bother to perform the test if the arg pointer is not
1719 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
1720 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
1722 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
1724 * arm.c (output_return_instruction): Handle more cases where we can
1725 return from a function with an ldr instruction.
1726 (arm_output_epilogue): Likewise.
1728 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
1729 if we need to push a large stack frame and there are no callee-saved
1732 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
1733 in ARM code if the frame pointer has been eliminated.
1735 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
1736 unspec_volatile arguments to avoid duplicates.
1737 (consttable_1, consttable_2): Fixes for big-endian mode.
1739 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
1742 Re-write constant pool code.
1743 * arm.c (minipool_node, minipool_fix): New types.
1744 (minifix): Delete type.
1745 (arm_add_minipool_constant): Delete.
1746 (arm_compute_minipool_offsets, arm_find_barrier,
1747 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
1748 (get_jump_table_size): Now returns HOST_WIDE_INT.
1749 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
1751 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
1752 (assign_minipool_offsets, arm_print_value): Likewise.
1753 (dump_minipool): Rewrite.
1754 (arm_barrier_cost): New function.
1755 (create_fix_barrier): New function.
1756 (push_minipool_barrier): New function.
1757 (push_minipool_fix): Record additional information about the fixup
1759 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
1760 check the mode of what needs fixing.
1761 (arm_reorg): Rewrite.
1763 2000-03-08 Nick Clifton <nickc@cygnus.com>
1765 * config/arm/arm.md (indirect_jump): Force constant addresses into
1768 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
1770 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
1772 2000-02-24 Nick Clifton <nickc@cygnus.com>
1774 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
1775 adjust is word aligned.
1776 (thumb_expand_epilogue): Make sure that stack adjust is word
1779 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
1781 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
1783 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
1784 pointer relative addresses.
1786 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
1788 * arm.c (find_barrier): Find the last barrier within the allowed
1791 2000-02-09 Nick Clifton <nickc@cygnus.com>
1793 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
1795 2000-02-09 Nick Clifton <nickc@cygnus.com>
1797 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
1798 ARM_FUNCTION_PROFILER.
1800 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
1801 ARM_FUNCTION_PROFILER.
1803 * config/arm/linux-oldld.h: Imported from mainline sources.
1805 2000-02-07 Nick Clifton <nickc@cygnus.com>
1807 * config/arm/lib1funcs.asm: Merge in thumb functions from
1810 * config/arm/lib1thumb.asm: Delete.
1812 2000-02-04 Nick Clifton <nickc@cygnus.com>
1814 * config/arm/arm.c: Sychronised with current Red hat local
1816 * config/arm/arm.h: Ditto.
1817 * config/arm/arm-protos.h: Ditto.
1819 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
1821 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
1823 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
1826 2000-02-02 Nick Clifton <nickc@cygnus.com>
1828 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
1830 * config/arm/arm.md (epilogue): Fix rtl checking abort because
1831 (return) was emited using an emit_insn() call.
1833 2000-01-31 Nick Clifton <nickc@cygnus.com>
1835 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
1837 (thumb_exit): Move frame pointer back into hard frame pointer
1838 register if backtracing is being used.
1840 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
1842 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
1845 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
1847 * config/arm/arm.md (neg_pool_offset): Provide default for new
1849 (arm_movsi_insn): Add neg_pool_offset attribute.
1850 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
1851 rtx for the insn that starts the scan and an unsigned long for its
1852 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
1853 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
1854 instructions in *PINSERTED.
1855 (struct minipool_fixup): Add MIN_ADDRESS elt.
1856 (sort_fixups): Compute it.
1857 (arm_reorg): Changes to support inserting pools before the insn to be
1860 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
1862 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
1863 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
1864 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
1866 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
1868 * config/arm/semi.h (TARGET_VERSION): Do not define if already
1870 (TARGET_DEFAULT): Do not define if already defined.
1872 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
1874 * config/arm/arm.md (anddi3): Allow disjoint source operands.
1875 (iordi3): Allow disjoint source operands.
1876 (xordi3): Allow disjoint source operands.
1877 (negdi2): Permit construction for ARM and Thumb.
1878 (arm_negdi2): Renamed version of old negdi2 pattern.
1879 (thumb_negdi2): New pattern: Only permit non-overlapping
1880 source and destination.
1882 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
1884 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
1885 scratch low register so that it will not be deleted.
1887 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
1889 * config/arm/pe.h (ARM_PE): Define.
1891 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
1892 interfacearm attribute if this is a PE toolchain.
1893 (output_return_instruction): Do not emit anything if the function
1894 has the naked attribute set.
1895 (is_called_in_ARM_mode): If the function has the interfacearm
1896 attribute then return true.
1897 (thumb_expand_prologue): Do not generate a prologue for naked
1899 (thumb_expand_epilogue): Do not generate an epilogie for a naked
1901 (output_thumb_prologue): Do not bother if the function is naked.
1902 Strip PE encoding from function name before emitting.
1904 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
1906 * arm.md (pic_load_addr): Fix constraints.
1908 * arm.md (casesi_insn): Fix mis-applied patch.
1910 * arm.md ("core" function unit): Add rules for single- and
1912 (All TARGET_THUMB patterns): Add "type" attribute information
1914 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
1915 the following insn is a CALL.
1917 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
1919 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
1920 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
1921 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
1923 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
1925 * config/arm/linux-gas.h: oops - this file was missed out when the
1926 branch was created...
1928 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
1930 * thumb.c: Deleted. Move contents to ...
1932 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
1934 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
1937 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
1938 declare a prototype for asm_output_align();
1940 * arm.c (thumb_condition_code): Delete.
1941 (arm_print_operand): Always use arm_condition_code array.
1943 * arm.c (thumb_return_addr_rtx): Delete.
1944 (arm_save_machine_status, arm_restore_machine_status): Delete.
1945 (arm_init_machine_status, arm_mark_machine_status): New functions.
1946 (arm_init_expanders): Update accordingly.
1947 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
1948 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
1949 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
1951 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
1953 * configure.in : Fix arm-*-aout target to use new t-arm-aout
1955 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
1958 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
1960 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
1961 stack backtrace structure.
1963 * config/arm/arm-protos.h: Add prototypes for functions defined in
1966 * config/arm/arm.c (arm_override_options): Fix selection of
1967 attributes of default processor.
1969 * config/arm/coff.h: Delete needless #include.
1971 * config/arm/pe.c: Delete unused code.
1973 * config/arm/pe.h (CPP_DEFINES): Delete
1974 (SUBTARGET_CPP_SPEC): Define.
1975 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
1977 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
1979 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
1981 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
1983 (CAN_DEBUG_WITHOUT_FP): Define.
1984 (FIXED_REGISTERS): Make r11 call-saved.
1985 (CALL_USED_REGISTERS): Likewise.
1986 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
1987 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
1988 frame-pointer is required.
1989 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
1990 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
1991 if the target normally needs a stack frame in non-leaf functions.
1992 (use_return_insn): Correct logic for determining when a return
1993 instruction can be used.
1994 (output_return_instruction): Handle the frame-pointer register as
1995 a normal register when not TARGET_APCS_FRAME.
1996 (arm_output_prologue): Likewise.
1997 (arm_output_epilogue): Likewise.
1998 (output_func_epilogue): Likewise.
1999 (arm_expand_prologue): Likewise.
2000 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2002 * arm.c (use_return_insn): No need to check floating point regs if
2004 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2005 the code of value stored in the minipool array.
2006 (arm_add_minipool_constant): Likewise.
2008 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2010 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2012 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2014 * tree.c (tree_expr_nonnegative_p): New function.
2016 * tree.h (tree_expr_nonnegative_p): Declare.
2018 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2019 elide some sign_compare warnings.
2020 (build_conditional_expr): Likewise.
2022 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2024 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2026 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2027 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2028 operand. Abort if a 387 operand has an unsupported size.
2030 2000-04-08 Neil Booth <NeilB@earthling.net>
2032 * cppexp.c (parse_charconst): Null does not end character
2034 * cppinit.c (ISTABLE): Null character handled as whitespace.
2035 * cpplex.c (null_warning): new function.
2036 (skip_string): Emit warning if nulls encountered.
2037 (_cpp_skip_hspace): Emit warning if nulls encountered.
2038 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2042 2000-04-07 Richard Henderson <rth@cygnus.com>
2044 * flow.c (loop_depth): Remove.
2045 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2046 (struct propagate_block_info): New.
2047 (life_analysis): Don't allocate reg_next_use.
2048 (propagate_block_delete_insn): Break out of propagate_block.
2049 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2050 (propagate_block_delete_libcall): Likewise.
2051 (propagate_block): Create a propagate_block_info struct to pass
2052 to subroutines. Allocate one not two temporary regsets. Don't
2053 clobber memory for const calls. Look for clobbers in
2054 CALL_INSN_FUNCTION_USAGE.
2055 (mark_set_regs): Recognize COND_EXEC.
2056 (mark_set_reg): Break out of mark_set_1.
2057 (mark_used_reg): Break out of mark_used_regs.
2058 (mark_used_regs): Recognize COND_EXEC.
2059 (insn_dead_p): Use propagate_block_info struct.
2060 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2061 (find_auto_inc, try_pre_increment_1): Likewise.
2062 (print_rtl_with_bb): Dump regs live at end too.
2063 (count_reg_sets_1): Pass in loop_depth.
2064 (count_reg_sets, count_reg_references): Likewise.
2065 (recompute_reg_usage): Provide it.
2067 2000-04-07 Richard Henderson <rth@cygnus.com>
2069 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2072 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2074 * cpplib.c (do_elif): Skip the rest of the line if we're
2075 not going to bother evaluating it.
2076 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2077 to avoid pointless calls to the lexer.
2079 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2081 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2083 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2085 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2087 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2089 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2091 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2093 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2094 crtend so they can be multilibbed.
2095 (STAGESTUFF): Remove s-crt and s-crtS.
2097 2000-04-07 Richard Henderson <rth@cygnus.com>
2099 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2100 if we discover we need a pseudo and no_new_pseudos is true.
2101 * config/alpha/alpha.md (ne:DI insn): New.
2102 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2104 2000-04-07 Richard Henderson <rth@cygnus.com>
2106 * rtl.def (COND_EXEC): New.
2107 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2108 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2110 * genconfig.c (have_cond_arith_flag): Remove.
2111 (have_cond_exec_flag): New.
2112 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2113 (main): Print HAVE_conditional_execution.
2115 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2116 (sched_analyze_insn, print_pattern): Likewise.
2117 * reload.c (find_equiv_reg): Likewise.
2118 * rtlanal.c (reg_referenced_p): Likewise.
2119 (note_stores, dead_or_set_regno_p): Likewise.
2120 (reg_overlap_mentioned_p): Rewrite to use a switch.
2122 * ggc.h (struct rtx_def): Forward declare.
2124 * print-rtl.c (debug_rtx_range): New.
2125 * rtl.h (debug_rtx_range): Declare.
2127 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2129 * gcse.c (gcse_main): Don't rebuild the CFG here.
2130 (delete_null_pointer_checks): Likewise.
2131 * ssa.c (convert_to_ssa): Likewise.
2132 * toplev.c (rest_of_compilation): Do it here instead. Combine
2133 sequential calls to TIMEVAR. Consistently use `insns' instead of
2134 `get_insns()'. Always split insns after reload when optimizing.
2136 * basic-block.h (merge_blocks_nomove): Declare.
2137 (tidy_fallthru_edge): Declare.
2138 * flow.c (merge_blocks_nomove): Document as merging into previous
2139 blocks. Remove cruft from between blocks; remove all edges out of A.
2140 (tidy_fallthru_edge): Export.
2142 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2144 * ssa.c (compute_conservative_reg_partition): Declare with
2146 * toplev.c (clean_dump_file): Remove previously-deleted function
2147 inadvertantly merged back in.
2148 * conflict.c (conflict_graph_add): Use a single call to
2149 htab_find_slot to look up and insert.
2151 2000-04-06 Richard Henderson <rth@cygnus.com>
2153 * genrecog.c (*): Rename _last_insn to last_insn.
2154 (make_insn_sequence): Set the position of the peephole2 C test
2155 to be at the last insn.
2157 2000-04-06 Richard Henderson <rth@cygnus.com>
2159 * flow.c (compute_flow_dominators): Free worklist.
2161 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2163 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2165 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2167 * rtl.h (INSN_P): New macro.
2168 (successor_phi_fn): New typedef.
2169 (for_each_successor_phi): New prototype.
2170 (in_ssa_form): New variable.
2171 (PHI_NODE_P): Likewise.
2172 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2173 phi nodes in successors.
2174 (mark_used_regs): Add PHI case.
2175 (set_phi_alternative_reg): New function.
2176 (life_analysis): Assert that dead code elimination is not selected
2178 * toplev.c (to_ssa_time): New variable.
2179 (from_ssa_time): Likewise.
2180 (compile_file): Zero to_ssa_time and from_ssa_time.
2181 Print time to convert to and from SSA.
2182 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2183 (print_time): Compute percent fraction as integer.
2184 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2185 (convert_to_ssa): Check if we're already in SSA.
2186 Don't eliminate dead code in life_analysis.
2187 Rerun flow and life analysis at bottom.
2188 (eliminate_phi): Use canonical regnos when adding nodes.
2189 (mark_reg_in_phi): New function.
2190 (mark_phi_and_copy_regs): Likewise.
2191 (convert_from_ssa): Rerun life analysis at top.
2192 Use coalesced partition.
2193 Check for removing a phi node at the end of the block.
2194 (compute_coalesced_reg_partition): New function.
2195 (coalesce_regs_in_copies): Likewise.
2196 (coalesce_reg_in_phi): Likewise.
2197 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2198 (for_each_successor_phi): Likewise.
2199 (rename_context): New struct.
2200 (rename_block): Use a rename_context with rename_insn_1. When
2201 renaming sets of a subreg, emit a copy of the entire reg first.
2202 (rename_insn_1): Treat data as a rename_context *. Save current
2204 (rename_set_data): Add field set_insn.
2205 * Makefile.in (HASHTAB_H): Move up in file.
2206 (OBSTACK_H): New macro.
2207 (collect2.o): Use OBSTACK_H in dependencies.
2208 (sdbout.o): Likewise.
2209 (emit-rtl.o): Likewise.
2210 (simplify-rtx.o): Likewise.
2211 (fix-header.o): Likewise.
2212 (OBJS): Add conflict.o.
2213 (conflict.o): New rule.
2214 * basic-block.h: Include partition.h.
2215 (conflict_graph): New typedef.
2216 (conflict_graph_enum_fn): Likewise.
2217 (conflict_graph_new): New prototype.
2218 (conflict_graph_delete): Likewise.
2219 (conflict_graph_add): Likewise.
2220 (conflict_graph_conflict_p): Likewise.
2221 (conflict_graph_enum): Likewise.
2222 (conflict_graph_merge_regs): Likewise.
2223 (conflict_graph_print): Likewise.
2224 (conflict_graph_compute): Likewise.
2225 * conflict.c: New file.
2227 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2229 * tlink.c (read_repo_files): Don't look for .rpo info for
2232 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2234 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2236 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2238 * config/sh/lib1funcs.asm (___udivsi3_i4):
2239 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2240 only depends on FMOVD_WORKS.
2242 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2244 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2245 make double constant 8-byte aligned.
2247 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2249 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2250 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2251 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2252 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2253 Accept storing GENERAL_REGS into offsetable memory.
2254 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2255 building a TFmode constant other than 0.0L into GENERAL_REGS.
2257 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2259 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2261 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2263 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2264 (macro_cleanup): No need to cast pbuf->macro.
2265 (collect_expansion): Use _cpp_get_define_token. Goto done if
2266 it returns VSPACE. Remove check for trailing space after
2268 (_cpp_create_definition): Don't diddle flags here. Return
2270 (unsafe_chars): Handle c1 being EOF.
2271 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2272 checks. Don't push the buffer till after we're done with
2274 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2275 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2276 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2278 (_cpp_parse_assertion): Don't NUL terminate.
2279 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2280 hspace before calling _cpp_parse_assertion. Remove all sets
2281 of only_seen_white. Treat '\f' as hspace. Don't do anything
2282 special with '\n' here.
2283 (maybe_macroexpand): Handle T_EMPTY hash entries without
2284 pushing a buffer at all.
2285 (cpp_get_token): Handle clearing only_seen_white here. Handle
2286 incrementing the line number here. Clear
2287 potential_control_macro as well as only_seen_white, if
2289 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2290 (_cpp_get_define_token): New function, basically like
2291 _cpp_get_directive_token was but doesn't eat horizontal space.
2292 Don't do anything with only_seen_white here.
2293 (_cpp_get_directive_token): Just call _cpp_get_define_token
2294 repeatedly till it returns non-hspace.
2296 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2297 (conditional_skip, skip_if_group): Return int.
2298 (DIRECTIVE_TABLE): Change origin of all conditional directives
2300 (TRAD_DIRECT_P): New macro.
2301 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2302 an error for a bogus directive, unless -lang-asm. Use
2303 TRAD_DIRECT_P. Loop calling handler functions till one returns
2305 (get_macro_name): Don't diddle flags here.
2306 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2307 Create T_EMPTY nodes for #define macro /* nothing */.
2308 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2309 Use hp->name when calling pass_thru_directive.
2310 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2311 Return the result of conditional_skip and/or skip_if_group.
2312 Don't call _cpp_output_line_command.
2313 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2314 Issue -Wtraditional warnings as appropriate. Don't complain
2315 about unrecognized directives. If we are to stop skipping,
2316 return the number of the directive that ended the skip.
2317 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2318 expansion and line commands while skipping. Return the result
2319 of consider_directive_while_skipping, if nonzero.
2320 (do_endif): Just set potential_control_macro here.
2321 (validate_else): Use _cpp_get_directive_token.
2322 (do_assert, do_unassert): Don't save pointers into the
2323 token_buffer across calls to the lexer. Use
2324 _cpp_get_directive_token.
2326 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2327 pointer, not an offset. Replace 'data', which was a generic
2328 pointer, with 'macro', which points to a struct hashnode.
2329 (cpp_reader): Add 'potential_control_macro' pointer.
2330 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2331 (CPP_BUF_GET, CPP_FORWARD): Delete.
2332 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2333 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2334 ACTIVE_MARK_P): Update.
2335 (_cpp_get_define_token): New internal function.
2336 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2338 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2340 * configure.in: And here.
2341 * configure: Regenerate.
2342 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2343 --enable-libstdcxx-v3 is passed at configure time.
2344 * config.h.in: Regenerate.
2346 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2348 * final.c (final): Use xcalloc to allocate line_note_exists.
2349 * function.c (free_after_compilation): Free the temp_slots.
2350 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2351 (combine_temp_slot): Free temp_slots when they get combined.
2352 (purge_addressof): Fix typo in comment.
2353 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2354 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2356 * ggc.h: Include varray.h.
2357 (ggc_pending_trees): Declare.
2358 (ggc_mark_tree_children): Remove declaration.
2359 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2360 * ggc-common.c (ggc_pending_trees): New variable.
2361 (ggc_mark_roots): Call ggc_mark_trees.
2362 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2363 the ggc_pending_trees.
2364 * Makefile.in (GGC_H): New variable. Use it throughout in place
2367 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2369 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2372 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2374 * sh.c (sh_insn_length_adjustment): New function.
2375 * sh-protos.h (sh_insn_length_adjustment): Declare.
2376 * sh.h (ADJUST_INSN_LENGTH): Use it.
2378 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2380 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2381 from the insn where REG_RETVAL is added.
2382 (emit_no_conflict_block): Ditto.
2384 * md.texi (Standard Names): Clarify when movX is needed.
2386 * combine.c (simplify_comparison) [MINUS]: Do not replace
2387 all (op (minus A B) 0) with (op A B).
2389 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2390 J"orn Rennecke <amylaar@cygnus.co.uk>
2392 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2393 (block_lump_real): Likewise.
2395 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2397 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2398 remaining non-zero debugging masks.
2400 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2402 * basic-block.h (verify_flow_info): Declare.
2403 (flow_loop_outside_edge_p): Declare.
2404 * flow.c (verify_flow_info): Remove declaration.
2405 (clear_log_links, flow_loop_outside_edge_p): Likewise.
2407 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
2409 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
2412 2000-04-05 Jakub Jelinek <jakub@redhat.com>
2414 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
2415 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
2416 seqdi_zero_trunc+1): Allow splits only if registers are
2419 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
2421 * acconfig.h: Add HAVE_GAS_HIDDEN.
2422 * config.in: Regenerated.
2423 * configure.in: Add test for .hidden pseudo-op in gas.
2424 * configure: Regenerated.
2425 * crtstuff.c: Include auto-host.h.
2426 Emit additional .hidden pseudo-op for __dso_handle if the
2427 assembler knows about it.
2429 2000-04-04 Philippe De Muyter <phdm@macqel.be>
2431 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
2432 before freeing argnames.
2433 * cpplib.c (do_ifndef): Cast return value of xstrdup.
2435 2000-04-05 Michael Meissner <meissner@redhat.com>
2437 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
2438 Walton <jonboy@gordian.com> to make memory references with update
2439 work wtih -mregnames.
2441 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2443 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
2444 (regrename_optimize): Rename variables `def_uses' and
2445 `ext_basic_blocks' to avoid conflicts with similarly named
2446 typedefs in traditional C.
2448 * calls.c (initialize_argument_information): Fix typo in previous
2451 2000-04-04 Richard Henderson <rth@cygnus.com>
2453 * regrename.c (consider_available): Test fixed_regs not
2454 PIC_OFFSET_TABLE_REGNUM.
2456 2000-04-04 Geoff Keating <geoffk@cygnus.com>
2458 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
2460 (CRTSTUFF_T_CFLAGS_S): Delete definition.
2461 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
2462 (ENDFILE_LINUX_SPEC): Always use crtend.
2463 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
2464 (powerpc-*-linux-gnu): Likewise.
2465 * configure: Regenerate.
2467 * config/rs6000/eabi.h: Don't include sysv4.h.
2468 (MULTILIB_DEFAULTS): Don't define.
2469 * config/rs6000/eabiaix.h: Don't include eabi.h.
2470 * config/rs6000/eabile.h: Delete.
2471 * config/rs6000/eabilesim.h: Delete.
2472 * config/rs6000/eabisim.h: Don't include eabi.h.
2473 * config/rs6000/linux.h: Don't include sysv4.h.
2474 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
2475 (MULTILIB_DEFAULTS): Don't redefine.
2476 * config/rs6000/rtems.h: Don't include eabi.h.
2477 * config/rs6000/sol2.h: Don't include sysv4le.h.
2478 * config/rs6000/sysv4le.h: Don't include sysv4.h.
2479 * config/rs6000/t-ppc: Delete.
2480 * config/rs6000/t-ppcgas: Correct comment.
2481 * config/rs6000/t-ppcos: Correct comment. Don't build
2482 multilibs for -fPIC, rather use -fPIC -mstrict-align
2484 * config/rs6000/t-ppc: Delete.
2485 * config/rs6000/vxppc.h: Don't include sysv4.h.
2486 * config/rs6000/vxppcle.h: Delete.
2487 * configure.in: Use multiple header files for p2pc ELF targets
2488 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
2489 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
2490 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
2491 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
2492 always available for these platforms.
2494 2000-04-04 Richard Henderson <rth@cygnus.com>
2496 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
2498 2000-04-04 Stan Cox <scox@cygnus.com>
2500 * Makefile.in: Add rules for regrename.o
2501 * regrename.c: New file.
2502 * rtl.h (regrename_optimize): Add prototype.
2503 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
2504 (compile_file, decode_d_option): Add support for -frename-registers.
2505 (rest_of_compilation): Call regrename_optimize.
2506 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
2509 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2511 * Makefile (gccbug): New target.
2512 (doc): Depend on it.
2513 * gcc.texi (Bugs): Link subnodes.
2515 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
2516 Document severities, priorities, and classes in bug form.
2518 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
2520 * cpplex.c (trigraph_map, speccase): Combine into single
2522 (NORMAL, NONTRI): New macros.
2523 (_cpp_read_and_prescan): Change to use unified table. Use
2524 is_hspace to test for whitespace.
2526 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
2527 definition that doesn't provoke the "empty body in an
2528 if-statement" warning.
2530 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
2532 * builtins.c (expand_builtin_strlen): Force the source to
2533 be a memory address.
2535 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2537 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
2539 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2541 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
2542 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
2543 (ECF_IS_CONST): Rename to ECF_CONST.
2544 (special_function_p): Make static, change interface.
2545 (flags_from_decl_or_type, try_to_integrate): Break out from ...
2546 (expand_call) ... here; convert number of variables to flags.
2547 (emit_library_call_vlue_1): Likewise.
2548 (setjmp_call_p): New function.
2549 (initialize_argument_information): Accepts flags as argument;
2551 (precompute_arguments): Likewise.
2552 * tree.h (special_function_p): Remove.
2553 (setjmp_call_p): Add prototype.
2555 2000-04-04 Jakub Jelinek <jakub@redhat.com>
2557 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
2558 so that addresses are offsetable by up to 16 bytes.
2559 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
2560 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
2563 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
2564 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
2565 (movsf): Don't force any constant to memory if target is integer
2567 Move fp_zero_operand check below the const0_rtx check.
2568 (movtf): Likewise. Also allow fp_zero_operand for stores into
2570 (movdf): Likewise. Also allow fp_zero_operand for stores into
2571 memory and into integer hard registers.
2572 (clear_df, clear_dfp, movdf_const_intreg_sp32,
2573 movdf_const_intreg_sp64): Remove.
2574 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
2576 (movdf_no_e_insn_v9_sp32): New pattern.
2577 (movdf_insn_v9only): Remove.
2578 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
2579 (movdf_insn_sp64): Remove.
2580 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
2581 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
2582 (following splits): Rewrite conditions. Add two new splits
2583 for storing 0.0 into memory and registers.
2584 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
2585 (movtf_insn_sp32): Redo constraints and conditions.
2586 (movtf_insn_vis_sp32): New pattern.
2587 (movtf_no_e_insn_sp32): Redo constraints and conditions.
2588 (movtf_insn_hq_sp64): Likewise.
2589 (movtf_insn_hq_vis_sp64): New pattern.
2590 (movtf_insn_sp64): Redo constraints and conditions.
2591 (movtf_insn_vis_sp64): New pattern.
2592 (movtf_no_e_insn_sp64): Redo constraints and conditions.
2593 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
2595 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
2596 -mvis or -m64 to take down the number of various reload patterns.
2598 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
2600 * pa/pa-64.h: New file.
2601 * pa/pa64-regs.h: New file.
2602 * pa/pa64-start.h: New file.
2603 * pa/t-pa64: New file.
2604 * pa/xm-pa64hpux.h: New file.
2606 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2608 * sparc.c (output_restore_regs): Prototype.
2609 (sparc_emit_float_lib_cmp): Constification.
2611 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
2613 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
2616 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
2617 (get_value_hash, hash_rtx): Likewise.
2619 * ssa.c (compute_conservative_reg_partition): Prototype.
2621 * tree.c (mark_hash_entry): Prototype.
2623 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
2625 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
2626 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
2627 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
2629 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
2630 * objc/lang-specs.h: Likewise.
2632 2000-04-03 Neil Booth <NeilB@earthling.net>
2634 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
2635 and SYNTAX_ERROR2. Replace `' in messages with ''.
2636 (op_to_str): Make re-entrant.
2637 (_cpp_parse_expr): Implement new error macros. Use | rather
2638 than || to logically or 2 boolean integers. Simply expression
2639 checking we have a left operand iff needed.
2641 2000-04-03 Nick Clifton <nickc@cygnus.com>
2643 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
2645 2000-04-03 Philip Blundell <philb@gnu.org>
2647 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
2649 2000-04-03 Felix Lee <flee@cygnus.com>
2651 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
2652 (run_shell): Use it.
2654 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
2656 * Makefile.in (stmp-int-hdrs): Make include subdir here...
2657 (stmp-fixproto): ...rather than here.
2659 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
2661 * pa.c (print_operand): Compute 'base' only inside the code paths
2664 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
2666 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
2669 2000-04-03 Philipp Thomas <pthomas@suse.de>
2671 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
2673 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
2675 * Makefile.in (alias.o): Depend on $(TREE_H).
2677 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
2679 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
2681 * cpplib.c (_cpp_handle_directive): Improve warnings for
2682 traditional C and indented directives.
2684 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
2685 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
2686 fixinc/inclhack.def: Indent the # of #include_next one space.
2687 * cp/rtti.c: Un-indent #if and #endif.
2689 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
2690 syntax error, but an error has already been printed.
2691 * cpplex.c (_cpp_parse_assertion): Give a more specific error
2692 message when called with nothing remaining on the line.
2693 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
2694 OTHER token, not an ASSERTION.
2695 * cpplib.c (do_assert): When we create a 'base' node, clear
2696 its aschain pointer.
2698 2000-04-02 Neil Booth <NeilB@earthling.net>
2700 * cppexp.c: New typedef op_t. struct operation and struct
2701 token updated to use it.
2702 (op_to_str): New function.
2703 (_cpp_parse_expr): Error messages modified to use op_to_str.
2705 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2707 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
2708 before checking MUST_PASS_IN_STACK.
2710 2000-04-02 Neil Booth <NeilB@earthling.net>
2712 * cppexp.c: New FINISHED dummy token. Combine operator initial
2713 flags and initial priority into a single constant. New
2714 EQUALITY macro. New operator flag SHORT_CIRCUIT.
2715 (_parse_cpp_expr): Implement new constants. Take left operand
2716 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
2717 parse indicated by reducing FINISHED token. Remove new lines
2718 from cpp_error messages.
2720 2000-04-01 Mark Mitchell <mark@codesourcery.com>
2722 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
2725 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
2727 * cpplib.c: Include symcat.h. Add 'origin' field to struct
2728 directive. Add origin values to DIRECTIVE_TABLE. Generate
2729 the strings and function names on the fly. Take the #sccs
2730 entry out of the table if SCCS_DIRECTIVE is not defined.
2731 (_cpp_handle_directive): Decide if the # was at the beginning
2732 of the line here. Issue -pedantic warnings for extended
2733 directives here. Warn about K+R directives with the #
2734 indented, and C89/extended directives with the # not indented,
2736 (do_import, do_include_next, do_warning, do_ident, do_sccs,
2737 do_assert, do_unassert): Don't issue pedantic warning here.
2739 * cpphash.h: Add CPP_WTRADITIONAL macro.
2740 * cpplib.h (struct cpp_options): Rename warn_stringify to
2741 warn_traditional; update comments.
2742 * cppinit.c (handle_option): Set warn_traditional not
2744 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
2745 CPP_WTRADITIONAL (pfile).
2746 * cpplex.c (_cpp_lex_token): Don't decide if directives should
2747 be ignored in -traditional mode here.
2749 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
2750 to initialize speccase[] and trigraph_map[]. Delete all
2751 references to pfile->input_speccase. Always treat '?' as a
2752 special character. Remove table-initialization code from
2753 _cpp_init_input_buffer.
2755 * cpplib.h (struct cpp_reader): Remove input_speccase field.
2756 * cppinit.c (cpp_cleanup): Don't free input_speccase.
2758 2000-04-01 Richard Henderson <rth@cygnus.com>
2760 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
2761 (mostlyclean): Likewise.
2763 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
2764 (struct dump_file_info, enum dump_file_index, dump_file): New.
2765 (open_dump_file): Take a dump_file_index not a suffix, and a decl
2766 not a string. Clean out file if we havn't yet done so. Do nothing
2767 if the dump isn't enabled.
2768 (close_dump_file): Do nothing if the dump isn't open. Dump
2769 graph data if requested.
2770 (dump_rtl, clean_dump_file): Remove.
2771 (compile_file): Don't clean the dump files. Only finalize .bp dump
2772 if flag_test_coverage or flag_branch_probabilities. Only finalize
2773 .combine dump if optimizing. Iterate over dump_file to finalize the
2775 (rest_of_compilation): Update for open_dump_file/close_dump_file.
2776 Convert all uses of dump_rtl.
2777 (decode_d_option): Iterate over dump_file to implement 'a' and to
2778 locate pass-specific dumps.
2780 2000-04-01 Neil Booth <NeilB@earthling.net>
2782 * cppexp.c: Redefine priority constants.
2783 (_cpp_parse_expr): Replace left and right priority scheme with
2784 single priority logic. Move LOGICAL to same place as COMPARE.
2785 Remove bogus check for multiple unary +/- operators.
2787 2000-04-01 Neil Booth <NeilB@earthling.net>
2789 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
2790 within the switch statement. Binary operations break out of
2791 the switch naturally. '(' tokens handled by forcing
2792 immediate shift. ')' handled by forcing immediate reduce to
2793 the previous '('. New error messages.
2795 2000-03-31 Geoff Keating <geoffk@cygnus.com>
2797 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
2798 part', it's already in use. Use %K instead. Add a return at the
2799 end of what is now %K.
2800 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
2802 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
2804 * builtins.c (expand_builtin_apply): Pass proper parameters to
2805 allocate_dynamic_stack_space.
2806 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
2807 update stack_pointer_delta; do not update arg_size_so_far.
2808 (compute_argument_block_size): Use stack_delta instead of
2809 stack_pointer_pending and arg_size_so_far.
2810 (expand_call): Add sanity checking for stack_pointer_delta;
2811 save and restore stack_pointer_delta for SIB, use
2812 stack_pointer_delta for alignment; do not update arg_space_so_far.
2813 (emit_library_call_value): Use stack_pointer_delta for alignment.
2814 (store_one_arg): Do not update arg_space_so_far.
2815 * explow.c (adjust_stack, anti_adjust_stack): Update
2816 stack_pointer_delta.
2817 (allocate_dynamic_stack_space): Add sanity checking for
2818 stack_pointer_delta.
2819 * expr.c (init_expr, clear_pending_stack_adjust): Clear
2820 stack_pointer_delta.
2821 (emit_push_insn): Update stack_pointer_delta.
2822 * function.h (struct expr_status): Add x_stack_pointer_delta;
2823 remove x_arg_space_so_far.
2824 (arg_space_so_far): Remove.
2825 (stack_pointer_delta): New macro.
2827 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
2829 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
2830 Reorder struct cpp_options and struct cpp_reader for better
2831 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
2832 takes two args. Change all 'char' flags to 'unsigned char'.
2833 Move show_column flag into struct cpp_options. Don't
2834 prototype cpp_options_init.
2835 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
2836 cppinit.c, cpplex.c, cpplib.c:
2837 Replace CPP_OPTIONS (pfile)->whatever with
2838 CPP_OPTION (pfile, whatever), and likewise for
2839 opts = CPP_OPTIONS (pfile); ... opts->whatever;
2841 * cppinit.c (merge_include_chains): Take a cpp_reader *.
2842 Extract CPP_OPTION (pfile, pending) and work with that
2844 (cpp_options_init): Delete.
2845 (cpp_reader_init): Turn on on-by-default options here.
2846 Allocate the pending structure here.
2847 (cl_options, enum opt_code): Define these from the same table,
2848 kept in a large macro. Add -fshow-column and -fno-show-column
2851 * cpperror.c (v_message): If show_column is off, don't print
2854 * cppmain.c: Update for new interface.
2855 * fix-header.c: Likewise.
2857 2000-03-30 Geoff Keating <geoffk@cygnus.com>
2859 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
2861 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
2862 are passed to any invocation of AR_FOR_TARGET.
2863 (AR_CREATE_FOR_TARGET): New macro.
2864 (AR_EXTRACT_FOR_TARGET): New macro.
2865 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
2866 AR_EXTRACT_FOR_TARGET.
2867 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
2868 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
2869 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
2870 AR_EXTRACT_FOR_TARGET to sub-makes.
2872 2000-03-31 Neil Booth <NeilB@earthling.net>
2874 * cppexp.c: Delete SKIP_OPERAND. Correct priority
2876 (_cpp_parse_expr): Check for multiple unary +/- operators.
2877 Correct priorities of ':' and '?'. Treat ')' as having a
2878 value. Ensure conditional expression is not void.
2880 2000-03-31 Mark Mitchell <mark@codesourcery.com>
2882 * alias.c (canon_rtx): Make it global.
2883 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
2885 * cse.c (struct table_elt): Add canon_exp.
2887 (invalidate): Canonicalize expressions only once.
2888 * rtl.h (canon_rtx): Declare.
2890 2000-03-30 Mark Mitchell <mark@codesourcery.com>
2892 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
2893 * alias.c (reg_known_value): Add comments.
2894 (init_alias_analysis): Likewise.
2895 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
2897 (cse_basic_block): Fix typo in comment.
2898 * emit-rtl.c: Include hashtab.h.
2899 (const_int_htab): New variable.
2900 (const_int_htab_hash): New function.
2901 (const_int_htab_eq): Likewise.
2902 (rtx_htab_mark_1): Likewise.
2903 (rtx_htab_mark): Likewise.
2904 (gen_rtx_CONST_INT): Cache all CONST_INTs.
2905 (unshare_all_rtx): Fix formatting.
2906 (init_emit_once): Initialize const_int_htab.
2907 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
2909 * rtl.texi: Document the fact that all CONST_INTs with the same
2912 2000-03-30 Richard Henderson <rth@cygnus.com>
2914 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
2916 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
2918 * configure.in: Comment out --enable-c-cpplib stanza.
2919 * configure: Regenerate.
2921 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2923 * expr.c (store_constructor): Properly compute displacement and
2924 alignment when offset is variable.
2926 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
2927 cases of alignment in bytes.
2929 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
2931 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
2932 since it is used to generate c-parse.y.
2933 * objc-parse.c, objc-parse.y: Regenerated.
2935 * function.c (expand_function_end): Pass alignment argument to
2936 emit_block_move in bits, not bytes.
2938 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2940 * expr.c (move_by_pieces_ninsns): Fix one more missing align
2943 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
2945 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
2946 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
2947 * function.c (assign_parms): Likewise.
2948 * integrate.c (expand_inline_function): Likewise.
2949 * stmt.c (expand_decl): Likewise.
2950 (copy_rtx_and_substitute): Likewise.
2951 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
2952 (clear_by_pieces): Fix error in last change.
2953 * emit-rtl.c (init_emit): Set known registers alignment in bits.
2954 * function.h (regno_pointer_align): Now unsigned.
2955 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
2957 * config/i386/i386.c (aligned_operand): Likewise.
2958 * config/sparc/sparc.c (mem_min_alignment): Likewise.
2959 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
2960 (unaligned_memory_operand): Likewise.
2961 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
2962 Also make alignments and sizes unsigned and some whitespace cleanup.
2963 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
2965 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
2966 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
2967 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
2968 (expand_builtin_memset): Likewise, but to clear_storage.
2969 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
2970 (restore_fixed_argument_area): Likewise.
2971 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
2972 (load_register_parameters): Likewise, to emit_group_load.
2973 (expand_call): Likewise, to emit_group_store and emit_block_move.
2974 (emit_library_call_value_1): Likewise, to emit_block_move.
2975 (store_one_arg): Likewise, and to emit_push_insn.
2976 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
2977 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
2978 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
2979 (emit_block_move, emit_group_load, emit_group_store): Likewise.
2980 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
2981 (expand_assigment, store_expr, store_constructor_field): Likewise.
2982 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
2983 (store_constructor, store_field, get_inner_reference): Likewise.
2984 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
2985 (expand_expr, case COMPONENT_REF): Likewise.
2986 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
2987 and positions; reindent code.
2988 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
2989 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
2990 (assign_parms): Likewise to emit_group_store.
2991 * optabs.c (prepare_cmp_insn): Alignment is in bits.
2992 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
2993 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
2994 (expand_return): Likewise to {extract,store}_bit_field.
2995 * stor-layout.c (get_mode_alignment): Minor cleanup.
2996 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
2997 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
2999 2000-03-29 Nick Clifton <nickc@cygnus.com>
3001 * config/arm/arm.h: Undo effects of previous delta:
3002 (ASM_SPEC): Do not define.
3003 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3005 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3008 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3010 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3011 only after reading in the primary source file.
3013 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3015 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3016 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3017 or a reference to a va_list.
3018 * builtins.c (stabilize_va_list): Simplify now we don't have to
3019 work around C array address decay.
3020 * c-typeck.c (convert_for_assignment): Handle assignment to
3021 a reference parameter by taking the address of the RHS.
3022 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3023 (va_copy): Likewise.
3024 (__va_copy): Likewise.
3025 * ginclude/varargs.h (va_start): Likewise.
3026 (__va_copy): Likewise.
3028 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3030 * i386/djgpp.h: Remove extraneous "+".
3032 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3034 * calls.c (expand_call): Fix typo in last change.
3036 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3038 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3041 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3043 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3044 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3045 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3046 * tree.c (bit_position, byte_position): Likewise.
3047 * tree.h: Declare new functions.
3049 2000-03-29 Nick Clifton <nickc@cygnus.com>
3051 * config/arm/arm.c: Minor formatting changes/
3052 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3054 (ASM_SPEC): Define if not already defined.
3056 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3058 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3061 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3063 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3064 value, don't output it as unsigned.
3066 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3068 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3070 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3072 * c-common.c (c_common_nodes_and_builtins): Don't special case
3073 cplus_mode when declaring builtin bzero/bcmp, always avoid
3074 prototype arguments.
3076 2000-03-29 Bruce Korb <bkorb@gnu.org>
3078 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3081 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3083 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3084 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3085 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3086 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3087 (save_fixed_argument_area, restore_fixed_argument_area):
3088 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3089 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3090 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3091 (precompute_register_parameters): Avoid #ifdefs on
3092 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3093 (stire_one_args): Likewise.
3094 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3095 (emit_library_call_value_1): Likewise.
3096 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3097 ACCUMULATE_OUTGOING_ARGS.
3098 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3100 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3101 (use_crosses_set_p): Likewise.
3102 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3103 #define ACCUMULATE_OUTGOING_ARGS 1.
3104 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3106 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3108 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3109 (TARGET_SWITCHES): Add push-args, no-push-args,
3110 accumulate-outgoing-args and no-accumulate-outgoing-args.
3111 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3112 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3113 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3115 (emit_push_insn): Likewise.
3116 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3117 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3118 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3119 (STACK_DYNAMIC_OFFSET): Define correctly for both
3120 ACCUMULATE_OUTGOING_ARGS and normal mode.
3121 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3122 * tm.texi (PUSH_ARGS): Document.
3123 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3125 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3127 * flags.h (flag_optimize_sibling_calls): Declare.
3128 * calls.c (expand_call): Fail sibcall when
3129 !flag_optimize_sibling_calls
3130 * invoke.texi (flag_optimize_sibling_calls): Document.
3131 * toplev.c (flag_optimize_sibling_calls): New global variable.
3132 (f_options): Add flag_optimize_sibling_calls.
3133 (rest_of_compilation): Conditionize
3134 optimize_sibling_and_tail_recursive_calls by
3135 flag_optimize_sibling_calls.
3136 (main): Set flag_optimize_sibling_calls for -O2.
3137 * stmt.c (expand_return): Conditionize tail recursion by
3138 flag_optimize_sibling_calls.
3140 2000-03-29 Richard Henderson <rth@cygnus.com>
3142 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3143 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3145 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3147 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3149 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3151 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3153 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3154 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3155 * config/rs6000/aix.h: then modified likewise.
3157 2000-03-28 Richard Henderson <rth@cygnus.com>
3159 * rtl.h: Redistribute enum reg_note documentation.
3160 Kill trailing whitespace.
3161 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3162 Kill trailing whitespace.
3164 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3166 * cppfiles.c (hash_IHASH): Just return i->hash.
3167 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3168 htab_find_with_hash.
3169 (cpp_read_file): Likewise.
3170 (find_include_file): Likewise. Properly initialize
3171 ih->nshort. Share ih->name and ih->nshort if possible.
3172 * cpphash.c (_cpp_calc_hash): New function.
3173 (hash_HASHNODE): Just return h->hash.
3174 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3175 htab_find_with_hash.
3176 * cpphash.h: Prototype _cpp_calc_hash.
3177 * cppinit.c (initialize_builtins): Provide a valid hash
3178 to _cpp_make_hashnode, using _cpp_calc_hash.
3180 * cpphash.c (collect_expansion): # is not a special character
3181 in object-like macros. In -traditional mode, /**/ is not
3182 token paste at the beginning or end of the line.
3183 * cpplib.c (do_include, do_import, do_include_next): If
3184 parse_include fails, return immediately.
3186 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3188 * config/arm/arm.md (return peepholes): Update to reflect the new
3190 * config/arm/arm.c (arm_volatile_func): Also check
3191 current_function_nothrow.
3192 (output_return_instruction, output_func_prologue): Use it.
3193 (arm_output_epilogue, arm_expand_prologue): Likewise.
3195 2000-03-27 Tom Tromey <tromey@cygnus.com>
3197 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3200 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3202 * expr.c (store_constructor): SIZE now signed.
3203 For EXPR_SIZE, don't evaluate size; just needed if constant.
3204 * fold-const.c (fold): Fix a number of cases when folded tree is
3206 * function.c (flush_addressof): Reenable.
3207 * tree.h (flush_addressof): Likewise.
3208 * toplev.c (independent_decode_option): Look at strings_processed.
3209 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3211 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3213 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3214 Allow stack adjustment after function call.
3216 * regmove.c (struct csa_memlist): Make mem field rtx *.
3217 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3218 (try_apply_stack_adjustment): Replace whole MEM rtx.
3219 (combine_stack_adjustments_for_block): Update calls
3220 to record_one_stack_ref.
3222 2000-03-28 Neil Booth <NeilB@earthling.net>
3224 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3225 '\\' rather than a null character, so nulls are not special. Fix
3226 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3227 speed trigraph conversion.
3228 (_cpp_init_input_buffer): Initialize trigraph map.
3230 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3232 * config/i386/i386.c (output_387_binary_op): Correct intel
3233 mode assembly output, and add spaces after commas in AT&T
3234 output. Correct Unixware assembler comment. Document input
3235 constraints. Comment fp operations. Reduce profligate buffer
3236 size. Remove extraneous abort. Localize temp var.
3237 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3238 (output_fix_trunc): Add spaces after commas in assembly output.
3240 2000-03-27 Richard Henderson <rth@cygnus.com>
3242 * i386-protos.h (ix86_match_ccmode): Declare.
3243 * i386.c (ix86_match_ccmode): New.
3244 (ix86_expand_fp_compare): Update for pattern renames.
3245 (ix86_expand_strlensi_unroll_1): Likewise.
3246 * i386.h (EXTRA_CC_MODES): Add CCZ.
3247 (SELECT_CC_MODE): Use it for EQ/NE zero.
3248 * i386.md (cmpsi_ccz_1): New.
3250 (*testsi_ccz_1): New.
3251 (testqi_ccz_1): New.
3252 (cmpsi_ccno_1): Rename from cmpsi_0.
3253 (testsi_ccno_1): Rename from testsi_1.
3254 (testqi_ccno_1): Rename from testqi_1.
3255 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3256 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3257 (*cmphi_0): Use ix86_match_ccmode.
3258 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3259 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3260 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3261 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3262 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3263 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3264 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3265 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3266 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3267 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3268 (appropriate peepholes): Likewise.
3269 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3270 (*subsi_3, *subhi_3, *subqi_3): Remove.
3271 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3272 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3273 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3274 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3275 (x86_shift_adj_1): Use CCZ.
3276 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3278 2000-03-27 Stan Cox <scox@cygnus.com>
3280 * resource.h (mark_resource_type): New.
3281 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3282 find_free_register): Use mark_resource_type.
3283 (mark_set_resources): Change include_delayed_effects
3284 to mark_resource_type.
3285 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3286 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3287 Use mark_resource_type.
3289 2000-03-27 Richard Henderson <rth@cygnus.com>
3291 * i386.md (call_pop_0, call_value_pop_0): New.
3292 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3293 (call_value_pop_1): Likewise.
3294 (call_0, call_value_0): New.
3295 (call_1, call_value_1): Remove constraint from unused arg.
3297 2000-03-27 Nick Clifton <nickc@cygnus.com>
3299 * invoke.texi (Spec Files): Document new spec % command created by
3300 Tom Tromey's recent patch.
3302 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3304 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3307 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3309 * expr.c (expand_assignment): Fix typo in last change.
3311 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3313 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3315 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3316 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3317 and DECL_INLINE if FUNCTION_DECL.
3318 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3319 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3320 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3321 (combine_parm_decls): Likewise.
3322 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3323 * print-tree.c (print_node): Likewise.
3324 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3325 DECL_TRANSPARENT_UNION on proper decl types.
3326 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3327 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3328 DECL_BIT_FIELD of FIELD_DECL.
3329 * tree.h (DECL_RESULT_FLD): New macro.
3331 * expr.c (expand_assignment): Add code to handle variable-sized
3334 2000-03-26 Richard Henderson <rth@cygnus.com>
3336 * calls.c (expand_call): Pass parms not original exp to
3337 optimize_tail_recursion. Mind return value instead of looking
3339 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3340 call_expr. Move checks for call_expr and current_function_decl ...
3341 (expand_return): ... here.
3343 2000-03-26 Tom Tromey <tromey@cygnus.com>
3345 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3346 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3348 (process_command): Use them.
3349 (check_live_switch): Likewise.
3350 (give_switch): Skip ignored switches.
3352 2000-03-26 Jan Hubicka <jh@suse.cz>
3354 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3355 for minimal jump pass test.
3357 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3359 * integrate.c (function_cannot_inline_p): Do inline functions that
3362 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3364 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3365 now a list of TREE_LIST entries, not types.
3366 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3368 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3369 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3371 * config/mips/mips.c (function_arg): Likewise; also remove cast
3372 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3373 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3374 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3375 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3376 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3377 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3378 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3379 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3380 num_adjusts now unsigned.
3381 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3382 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3384 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3385 as is BITPOS variable; use host_integerp and int_bit_position.
3386 (function_arg_record_value_2): Likewise.
3387 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3388 Variable REGNO now unsigned.
3389 (function_arg_record_value): NREGS now unsigned.
3391 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3393 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3395 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3397 * Rework fields used to describe positions of bitfields and
3398 modify sizes to be unsigned and use HOST_WIDE_INT.
3399 * alias.c (reg_known_value_size): Now unsigned.
3400 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3401 (really_start_incremental_init): Use bitsize_zero_node.
3402 (push_init_level, pop_init_level, output_init_element): Likewise.
3403 Use bitsize_unit_node and bitsize_one_node.
3404 (output_pending_init_elements, process_init_element): Likewise.
3405 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
3406 (make_extraction): Position and length HOST_WIDE_INT and unsigned
3407 HOST_WIDE_INT, respectively.
3408 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
3409 (num_sign_bit_copies): Returns unsigned.
3410 BITWIDTH now unsigned; rework arithmetic.
3411 Remove recursive call from arg to MAX.
3412 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
3413 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
3415 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
3416 (find_split_point, expand_compound_operation, make_extraction): LEN
3417 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
3418 (make_field_assignment): Likewise.
3419 (combine_simplify_rtx): Add cast.
3420 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
3421 (force_to_mode): WIDTH now unsigned; add cast.
3422 (if_then_else_cond): SIZE now unsigned.
3423 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
3424 (extended_count): Now returns unsigned.
3425 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
3426 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
3427 (simplify_comparison): MODE_WIDTH now unsigned.
3428 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
3429 (mark_used_regs_combine): Likewise; rework arithmetic.
3430 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
3431 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
3432 (record_promoted_value): REGNO now unsigned.
3433 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
3434 (get_last_value): REGNO now unsigned.
3435 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
3436 (reg_dead_regno, reg_dead_endregno): Now unsigned.
3437 (remove_death): Arg REGNO now unsigned.
3438 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
3439 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
3441 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
3442 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
3443 (struct cse_reg_info): REGNO now unsigned.
3444 (cached_regno): Now unsigned.
3445 (REGNO_QTY_VALID_P): Add cast.
3446 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
3447 (remove_invalid_regs): Likewise.
3448 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
3449 as are variables END and I.
3450 (get_cse_reg_info, insert): Likewise.
3451 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
3452 (canon_hash): Likewise.
3453 (insert_regs, lookup_for_remove): REGNO now unsigned.
3454 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
3456 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
3457 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
3458 * emit-rtl.c (subreg_realpart_p): Add cast.
3459 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
3460 (operand_subword_force): Arg I is now unsigned.
3461 * except.c (eh_regs): Variable I is now unsigned.
3462 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
3463 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
3464 length is unsigned HOST_WIDE_INT; likewise for internal variables.
3465 (store_split_bit_field, extract_fixed_bit_field): Likewise.
3466 (extract_split_bit_field, store_bit_field, extract_bit_field):
3468 * expr.c (store_constructor_fields, store_constructor, store_field):
3469 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
3470 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
3471 (do_jump): Likewise.
3472 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
3473 MAX_SIZE is now unsigned.
3474 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
3475 (emit_group_store): Likewise.
3476 (emit_move_insn): I now unsigned.
3477 (store_constructor): Use host_integerp, tree_low_cst, and
3479 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
3480 Rework all calculations to use trees and new fields.
3481 * expr.h (promoted_input_arg): Regno now unsigned.
3482 (store_bit_field, extract_bit_field): Adjust types of pos and size.
3483 (mark_seen_cases): Arg is HOST_WIDE_INT.
3484 * flow.c (verify_wide_reg_1): REGNO now unsigned.
3485 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
3486 precisions and alignments are unsigned.
3487 (optimize_bit_field_compare, fold_truthop): Likewise.
3488 (int_const_binop): Adjust threshold for size_int_type_wide call.
3489 (fold_convert): Likewise.
3490 (size_int_type_wide): Make table larger and fix thinko that only
3491 had half of table used.
3492 (all_ones_mask_p, fold): Precisions are unsigned.
3493 * function.c (put_reg_info_stack): REGNO is unsigned.
3494 (instantiate_decl): Size is HOST_WIDE_INT.
3495 (instantiate_virtual_regs): I is unsigned.
3496 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
3497 (promoted_input_arg): REGNO is unsigned.
3498 * function.h (struct function): x_max_parm_reg is now unsigned.
3499 * gcse.c (max_gcse_regno): Now unsigned.
3500 (struct null_pointer_info): min_reg and max_reg now unsigned.
3501 (lookup_set, next_set): REGNO arg now unsigned.
3502 (compute_hash_table): REGNO and I now unsigned.
3503 (handle_avail_expr): regnum_for_replacing now unsigned.
3504 (cprop_insn): REGNO now unsigned.
3505 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
3506 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
3507 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
3508 * hard-reg-set.h (reg_class_size): Now unsigned.
3509 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
3510 * jump.c (mark_modified_reg): I now unsigned; add cast.
3511 (rtx_equal_for_thread_p): Add cast.
3512 * loop.c (max_reg_before_loop): Now unsigned.
3513 (struct_movable): REGNO now unsigned.
3514 (try_copy_prop): REGNO arg unsigned.
3515 (regs_match_p): XN and YN now unsigned.
3516 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
3517 (strength_reduce): Likewise; NREGS also unsigned.
3518 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
3519 * loop.h (struct iv_class): REGNO now unsigned.
3520 (max_reg_before_loop, first_increment_giv, last_increment_giv):
3522 * machmode.h (mode_size, mode_unit_size): Now unsigned.
3523 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
3524 * optabs.c (expand_binop): I and NWORDS now unsigned.
3525 (expand_unop): I now unsigned.
3526 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
3527 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
3528 * real.c (significand_size): Now returns unsigned.
3529 * real.h (significand_size): Likewise.
3530 * regclass.c (reg_class_size): Now unsigned.
3531 (choose_hard_reg_mode): Both operands now unsigned.
3532 (record_reg_classes): REGNO and NR now unsigned.
3533 (reg_scan): NREGS now unsigned.
3534 (reg_scan_update): old_max_regno now unsigned.
3535 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
3536 * reload.c (find_valid_class): BEST_SIZE now unsigned.
3537 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
3538 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
3539 Likewise for variable R.
3540 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
3541 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
3542 (find_equiv_reg): Add casts.
3543 (regno_clobbered_p): Arg REGNO now unsigned.
3544 * reload.h (struct reload): NREGS now unsigned.
3545 (refers_to_regno_for_reload_p): Regno args are unsigned.
3546 (regno_clobbered_p): Likewise.
3547 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
3548 (compute_use_by_pseudos): REGNO now unsigned.
3549 (find_reg): I and J now unsigned, new variable K, and change loop
3550 variables accordingly; THIS_NREGS now unsigned.
3551 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
3552 (spill_hard_reg): REGNO arg now unsigned; add casts.
3553 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
3554 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
3555 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
3556 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
3557 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
3558 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
3559 (emit_reload_insns): REGNO now unsigned.
3560 (reload_cse_move2add): Add cast.
3561 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
3563 * resource.c (mark_referenced_resources, mark_set_resources): New
3564 variable R; REGNO and LAST_REGNO now unsigned.
3565 (mark_target_live_regs): J and REGNO now unsigned.
3566 * rtl.c (mode_size, mode_unit_size): Now unsigned.
3567 * rtl.h (union rtunion_def): New field rtuint.
3568 (XCUINT): New macro.
3569 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
3570 (operand_subword, operand_subword_force): Word number is unsigned.
3571 (choose_hard_reg_mode): Operands are unsigned.
3572 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
3573 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
3574 (regno_use_in, combine_instructions, remove_death): Likewise.
3575 (reg_scan, reg_scan_update): Likewise.
3576 (extended_count): Return is unsigned.
3577 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
3578 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
3579 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
3580 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
3581 (reg_reg_last_1): FIRS and LAST now unsigned.
3582 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
3583 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
3585 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
3586 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
3587 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
3588 (replace_regs): Arg NREGS now unsigned.
3589 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
3590 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
3591 (simplify_binary_operation): Likewise.
3592 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
3593 THIS_LAST now unsigned.
3594 (cselib_record_set): Add cast.
3595 * ssa.c (ssa_max_reg_num): Now unsigned.
3596 (rename_block): REGNO now unsigned.
3597 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
3599 (all_cases_count): Just return -1 not -2.
3600 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
3601 Rework tests to use trees whenever possible.
3602 Use host_integerp and tree_low_cst.
3603 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
3604 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
3605 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
3606 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
3607 (smallest_mode_for_size): Likewise.
3608 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
3609 KNOWN_ALIGN is now an alignment, so simplify code.
3610 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
3611 (start_record_layout): Renamed from new_record_layout_info.
3612 Update to new fields.
3613 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
3615 (place_union_field): Renamed from layout_union_field.
3616 Update to use new fields in rli.
3617 (place_field): Renamed from layout_field.
3618 Major rewrite to use new fields in rli; pass alignment to layout_decl.
3619 (finalize_record_size): Rework to use new fields in rli and handle
3621 (compute_record_mode): Rework to simplify and to use new DECL fields.
3622 (finalize_type_size): Make rounding more consistent.
3623 (finish_union_layout): Deleted.
3624 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
3625 (layout_type, case RECORD_TYPE): Call new function names.
3626 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
3627 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
3628 (get_best_mode): UNIT is now unsigned; remove casts.
3629 * tree.c (bit_position): Compute from new fields.
3630 (byte_position, int_byte_position): New functions.
3631 (print_type_hash_statistics): Cast to remove warning.
3632 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
3633 (build_index_type): Likewise; make subtype of sizetype.
3634 (build_index_2_type): Pass sizetype to build_range_type.
3635 (build_common_tree_nodes): Use size_int and bitsize_int to
3636 initialize nodes; add bitsize_{zero,one,unit}_node.
3637 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
3638 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
3639 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
3640 (DECL_FIELD_BITPOS): Deleted.
3641 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
3642 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
3643 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
3644 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
3645 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
3646 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
3647 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
3648 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
3649 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
3650 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
3651 (DECL_ALIGN): Adjust to new field in union.
3652 (DECL_OFFSET_ALIGN): New field.
3653 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
3654 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
3655 (union tree_decl): Add struct for both aligns.
3656 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
3657 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
3658 (struct record_layout_info): Rework fields to have offset
3659 alignment and byte and bit position.
3660 (start_record_layout, place_field): Renamed from old names.
3661 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
3662 (byte_position, int_byte_position): Likewise.
3663 (get_inner_reference): Change types of position and length.
3664 * unroll.c (unroll_loop): New variable R; use for some loops.
3665 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
3666 (calculate_giv_inc): Arg REGNO now unsigned.
3667 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
3668 * varasm.c (assemble_variable): Clean up handling of size using
3669 host_integerp and tree_low_cst.
3670 (decode_addr_const): Use byte, not bit, position.
3671 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
3672 use tree_low_cst and int_bit_position.
3673 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
3675 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
3677 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
3678 (reorder_block_def): New members eff_head and eff_end.
3679 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
3680 (verify_insn_chain): New function.
3681 (skip_insns_between_block): Add code to skip deleted insns.
3682 Check for note before using.
3683 (chain_reorder_blocks): Replace calls to skip_insns_between_block
3684 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
3685 Check for note before using.
3686 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
3687 (fixup_reorder_chain): Restructure, clean up, defect removal.
3688 (reorder_basic_blocks): Remove last_insn and references to it.
3689 Moved insn chain verification code into a new function (see above).
3690 Delete defective code that sets last insn.
3691 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
3694 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3696 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
3698 2000-03-24 Richard Henderson <rth@cygnus.com>
3700 * tree.c (lang_safe_for_unsave): Remove.
3701 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
3702 allowing for two levels of unsafeness. Remove lang hook.
3703 * tree.h: Update declarations.
3704 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
3705 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
3706 Always fail sibcalls when there are pending cleanups.
3708 2000-03-24 Geoff Keating <geoffk@cygnus.com>
3710 * flow.c (propagate_block): When we delete an ADDR_VEC,
3711 also delete the BARRIER following it if there is one.
3713 2000-03-24 Richard Henderson <rth@cygnus.com>
3715 * builtins.c (expand_builtin_bzero): Convert `length' argument
3718 2000-03-24 Jakub Jelinek <jakub@redhat.com>
3720 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
3721 comparison if regno's are equal.
3722 * calls.c (initialize_argument_informat): Add ecf_flags argument.
3723 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
3724 (expand_call): Update caller.
3725 Avoid making a sibling call if argument size of the callee is larger
3726 than argument size of the caller.
3727 Call hard_function_value with outgoing set if in sibcall pass.
3728 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
3730 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
3731 Change LEAF_REGISTERS from an array initializer to actual array
3732 identifier. Move static global variable into the function.
3733 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
3734 sequences for leaf functions.
3735 * global.c (global_alloc): Likewise.
3736 * tm.texi (LEAF_REGISTERS): Update documentation.
3738 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
3739 TARGET_FLAT leaf disabling hack.
3740 (LEAF_REGISTERS): Changed from an array initializer to actual array
3741 identifier to avoid duplication and remove the above hack.
3742 (FUNCTION_OK_FOR_SIBCALL): Define.
3743 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
3744 always like call attribute.
3745 (eligible_for_sibcall_delay): New attribute.
3746 (sibcall): New delay type.
3747 (sibcall, sibcall_value, sibcall_epilogue): New expands.
3748 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
3749 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
3750 * config/sparc/sparc.c (sparc_leaf_regs): New array.
3751 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
3753 (output_function_epilogue): Move part of the code into
3754 output_restore_regs.
3755 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
3757 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
3760 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
3761 until infrastructure is finished.
3763 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
3765 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
3766 (save_parm_insns): Not here.
3768 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3770 * builtins.c (expand_builtin_bzero): New function.
3771 (expand_builtin): Handle bzero.
3773 * builtins.def: Add BUILT_IN_BZERO.
3775 * c-common.c (c_common_nodes_and_builtins): Provide builtin
3776 prototype & function for bzero.
3778 2000-03-23 Michael Meissner <meissner@redhat.com>
3780 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
3781 change adding TARGET_FP to the TF floating point insns, except for
3782 trunctfsf2, which generates direct calls to truncdfsf2.
3784 2000-03-23 Geoff Keating <geoffk@cygnus.com>
3786 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
3787 try to protect against middle-end changes that break binary
3789 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
3791 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3793 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
3795 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3797 * calls.c (expand_call): If TARGET is passed by reference and
3798 is readonly, write a CLOBBER.
3800 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3802 * builtins.c (expand_builtin): Handle bcmp.
3804 * builtins.def: Add BUILT_IN_BCMP.
3806 * c-common.c (c_common_nodes_and_builtins): Provide builtin
3807 prototype & function for bcmp.
3809 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
3811 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
3812 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
3813 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
3815 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
3817 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
3818 alternative when using -fp64 -gp32.
3820 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
3822 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
3823 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
3824 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
3826 * frame.h (frame_state): Revert last change.
3827 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
3828 * libgcc2.c (throw_helper): Revert last change.
3830 2000-03-22 Richard Henderson <rth@cygnus.com>
3832 * stmt.c (expand_asm_operands): Don't promote the temporary.
3834 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3836 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
3837 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
3838 c_get_alias_set): Likewise.
3839 * c-decl.c (duplicate_decls): Likewise.
3840 * c-typeck.c (default_conversion,build_unary_op): Likewise.
3841 * calls.c (initialize_argument_information): Likewise.
3842 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
3844 * dwarfout.c (decl_class_context,output_type): Likewise.
3845 * expr.c (get_inner_reference): Likewise.
3846 * fold-const.c (simple_operand_p,fold): Likewise.
3847 * function.c (aggregate_value_p): Likewise.
3848 * stmt.c (expand_asm_operands): Likewise.
3849 * varasm.c (named_section): Likewise.
3851 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
3853 Implement dwarf2 exception handling for the ARM.
3854 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
3855 (DWARF_FRAME_RETURN_COLUMN): Define.
3856 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
3857 REG_FRAME_RELATED_EXPR note.
3858 (emit_sfm): Likewise.
3859 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
3860 * dwarf2out.c (reg_save): Handle saving a register to itself.
3861 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
3862 * except.c (eh_regs): Don't use the static chain reg if it's
3864 * frame.h (frame_state): Add cfa_saved field.
3865 * frame.c (execute_cfa_insn): Set it.
3866 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
3868 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
3870 (instantiate_virtual_regs): Adjust.
3872 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
3873 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
3874 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
3876 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
3877 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
3879 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3881 * builtins.def: New file.
3883 * Makefile.in (TREE_H): Depend on builtins.def.
3885 * builtins.c (built_in_names): Use builtins.def.
3887 * tree.h (built_in_function): Likewise.
3889 2000-03-22 Mark Mitchell <mark@codesourcery.com>
3891 * tree.c (size_in_bytes): Return size_zero_node, not
3894 2000-03-22 Geoff Keating <geoffk@cygnus.com>
3896 * config/fp-bit.c (pack_d): Correct the case when a denormal
3897 is rounded up and stops being denormal.
3899 2000-03-21 Richard Henderson <rth@cygnus.com>
3901 * config/alpha/alpha.c (function_arg): Check for void_type_node
3902 before using MUST_PASS_IN_STACK.
3904 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
3906 * regmove.c (combine_stack_adjustments_for_block): Check that
3907 the stack pointer is a valid memory address.
3909 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
3911 * calls.c: re-install Mar 16 emit_library_call merge.
3913 2000-03-21 Jakub Jelinek <jakub@redhat.com>
3915 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
3916 we cannot be sure that if reload_completed base register will
3917 be properly aligned.
3919 2000-03-21 Richard Henderson <rth@cygnus.com>
3921 * flow.c (delete_block): Fix typo last change.
3923 2000-03-21 Mark Mitchell <mark@codesourcery.com>
3925 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
3926 not COMPLETE_TYPE_P, to check the type of the expression.
3928 2000-03-21 Michael Meissner <meissner@redhat.com>
3930 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
3931 all floating point insns that just tested the macro
3932 TARGET_HAS_XFLOATING_LIBS.
3933 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
3934 used to only use the gprs.
3936 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
3938 * tree.h (COMPLETE_TYPE_P): New macro.
3939 (COMPLETE_OR_VOID_TYPE_P): New macro.
3940 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
3941 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
3942 * c-aux-info.c (gen_type): Use them.
3943 * c-common.c (c_expand_expr_stmt): Likewise.
3944 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
3945 grokdeclarator, grokparms, finish_struct, start_function,
3946 store_parm_decls, combine_parm_decls): Likewise.
3947 * c-parse.y (cast_expr): Likewise.
3948 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
3949 c_size_in_bytes, c_alignof, build_component_ref,
3950 build_indirect_ref, build_array_ref, convert_arguments,
3951 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
3952 * calls.c (initialize_argument_information): Likewise.
3953 * convert.c (convert_to_integer): Likewise.
3954 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
3955 * dwarfout.c (location_or_const_value_attribute,
3956 output_enumeration_type_die, output_structure_type_die,
3957 output_union_type_die, output_type): Likewise.
3958 * expr.c (safe_from_p, expand_expr): Likewise.
3959 * function.c (assign_parms): Likewise.
3960 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
3961 * tree.c (build_array_type, build_function_type,
3962 build_method_type, build_offset_type, build_complex_type): Likewise.
3963 * c-parse.c, c-parse.h: Regenerated.
3965 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3967 * config/c4x/rtems.h: Include config/rtems.h.
3969 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
3971 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
3972 decl is a FUNCTION_DECL
3974 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
3976 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
3977 function uses output registers. Don't save RP for leaf functions.
3978 Do save RP even if no epilogue.
3979 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
3980 (CALL_USED_REGISTERS): Unmark in registers.
3981 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
3984 2000-03-20 Geoff Keating <geoffk@cygnus.com>
3986 * config/rs6000/rs6000.md (bunordered): New expander.
3987 (bordered): New expander.
3988 (buneq): New expander.
3989 (bunge): New expander.
3990 (bungt): New expander.
3991 (bunle): New expander.
3992 (bunlt): New expander.
3993 (bltgt): New expander.
3995 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
3996 (ccr_bit_negated_p): New function.
3997 (print_operand): For %C, generate appropriate cror for UNEQ,
3998 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4000 2000-03-20 Andreas Jaeger <aj@suse.de>
4002 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4005 * tree.h (safe_for_unsave): Prototype.
4007 2000-03-20 Richard Henderson <rth@cygnus.com>
4009 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4010 (combine_stack_adjustments_for_block): Don't allow sp references
4011 in the side of a set we're not fixing up.
4012 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4013 after life_analysis.
4015 2000-03-20 Richard Henderson <rth@cygnus.com>
4017 * calls.c (expand_call): Don't bother generating tail call
4018 sequences if there are pending cleanups. Use
4019 expand_start_target_temps/expand_end_target_temps to elide
4020 cleanups created during sibcall expansion.
4022 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4024 * configure.in: Set $IFS to a value if it doesn't already have one
4025 in the --enable-checking handling.
4026 * configure: Regenerate.
4028 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4030 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4031 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4034 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4036 * jump.c (delete_noop_moves): Remove code attempting to
4037 combine stack adjustments.
4039 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4041 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4042 * except.c (emit_cleanup_handler): Use them.
4043 (expand_end_all_catch): Likewise.
4044 * function.c (fixup_var_refs): Likewise.
4045 (expand_function_end): Clear catch_clauses_last.
4046 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4047 * except.h (struct eh_status): New field x_catch_clauses_last.
4048 (catch_clauses_last): New define.
4050 * Makefile.in (tree.o): Depend on HASHTAB_H.
4051 * tree.c: Include hashtab.h.
4052 (struct type_hash): Remove next field.
4053 (TYPE_HASH_SIZE): Remove.
4054 (TYPE_HASH_INITIAL_SIZE): New define.
4055 (type_hash_table): Change type to htab_t.
4056 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4057 mark_hash_entry): New functions.
4058 (init_obstacks): Allocate type hash.
4059 (type_hash_lookup): Use htab functions.
4060 (type_hash_add, mark_type_hash): Likewise.
4061 (dump_tree_statistics): Call print_type_hash_statistics.
4063 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4065 * rs6000/t-aix41: New file.
4067 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4069 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4071 * tm.texi (Driver): Fix typos and tweak entry for
4073 Move misplaced STRUCT_FORCE_BLK entry ...
4074 (Storage Layout): ... to here.
4075 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4077 2000-03-19 Richard Henderson <rth@cygnus.com>
4079 * flow.c (delete_block): Delete the addr_vec along with the block.
4080 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4083 * fold-const.c (extract_muldiv): Apply type check for defined
4084 overflow to multiply as well as divide.
4086 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4088 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4090 * emit-rtl.c (remove_unncessary_notes): Check that all
4091 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4092 associated NOTE_BLOCK.
4093 * function.h (identify_blocks): Update comments.
4094 (reorder_blocks): Declare.
4095 * function.c (identify_blocks): Don't take paramters.
4096 (reorder_blocks): Don't take parameters.
4097 * loop.h (find_loop_tree_blocks): Remove.
4098 (unroll_block_trees): Likewise.
4099 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4100 reorder_blocks instead of unroll_block_trees.h
4101 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4102 * stmt.c (find_loop_tree_blocks): Remove.
4103 (unroll_block_trees): Likewise.
4104 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4105 in whole-function mode.
4106 * tree.h (reorder_blocks): Remove declaration.
4108 * expr.c: Include intl.h.
4109 * Makefile.in (expr.o): Depend on intl.h.
4111 2000-03-18 Richard Henderson <rth@cygnus.com>
4113 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4115 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4117 * tree.h (tree_index): Remove enumerals for integer types.
4118 (integer_type_kind): New type.
4119 (integer_types): New variable.
4120 (char_type_node): Adjust.
4121 (signed_char_type_node): Likewise.
4122 (unsigned_char_type_node): Likewise.
4123 (short_integer_type_node): Likewise.
4124 (short_unsigned_type_node): Likewise.
4125 (integer_type_node): Likewise.
4126 (unsigned_type_node): Likewise.
4127 (long_integer_type_node): Likewise.
4128 (long_unsigned_type_node): Likewise.
4129 (long_long_integer_type_node): Likewise.
4130 (long_long_unsigned_type_node): Likewise.
4131 * tree.c (integer_types): New variable.
4132 (init_obstacks): Register it as a root.
4134 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4136 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4137 NEXT_INSN. Update last insn in chain.
4139 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4141 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4142 with TYPE_DECL_SUPPRESS_DEBUG set.
4144 2000-03-18 Richard Henderson <rth@cygnus.com>
4146 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4148 2000-03-18 Richard Henderson <rth@cygnus.com>
4150 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4151 care for HALF_PIC_P.
4152 (expander_call_insn_operand): Remove.
4153 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4154 * i386.h (PREDICATE_CODES): Update.
4155 * i386.md (all call expanders): Remove predicates, remove special
4156 handling for half-pic.
4157 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4158 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4159 (sibcall_epilogue): New.
4161 2000-03-17 Richard Henderson <rth@cygnus.com>
4163 * rtlanal.c (single_set): Reject if the parallel has anything
4164 except SET or USE or CLOBBER.
4166 2000-03-17 Jeff Law <law@cygnus.com>
4167 Richard Henderson <rth@cygnus.com>
4169 * Makefile.in (OBJS): Add sibcall.o.
4171 * sibcall.c: New file.
4172 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4173 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4174 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4175 Emit sibcall patterns when requested. Update all callers.
4176 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4177 elimination seems feasable.
4178 * final.c (leaf_function_p): Sibling calls don't discount being
4180 * flow.c (HAVE_sibcall_epilogue): Provide default.
4181 (find_basic_blocks_1): Sibling calls don't throw.
4182 (make_edges): Make edge from sibling call to EXIT.
4183 (propagate_block): Don't remove sibcall_epilogue insns.
4184 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4185 (sibcall_epilogue): New.
4186 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4187 (identify_blocks_1): Likewise. Break out from ...
4188 (identify_blocks): ... here.
4189 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4190 (reorder_blocks): ... here.
4191 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4192 (record_insns): Extend a varray instead of mallocing new memory.
4193 (contains): Read a varray not array of ints.
4194 (sibcall_epilogue_contains): New.
4195 (thread_prologue_and_epilogue_insns): Emit and record
4196 sibcall_epilogue patterns.
4197 (init_function_once): Allocate prologue/epilogue varrays.
4198 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4199 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4201 (save_for_inline_nocopy): ... here.
4202 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4204 (expand_inline_function): ... here.
4205 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4206 (subst_constants): Handle 'n' formats.
4207 * jump.c (jump_optimize_minimal): New.
4208 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4209 optimizations if it's set.
4210 * rtl.c (copy_rtx): Do copy jump & call for insns.
4211 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4212 (SIBLING_CALL_P): New.
4213 (sibcall_use_t): New.
4214 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4215 Invoke optimize_sibling_and_tail_recursive_calls.
4216 * tree.c (lang_safe_for_unsave): New.
4217 (safe_for_unsave): New.
4218 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4220 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4221 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4222 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4224 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4226 * objc/objc-act.c (encode_method_prototype): Pass types, not
4227 PARM_DECLs, to int_size_in_bytes.
4229 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4231 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4233 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4234 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4236 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4238 * Clean up usages of TREE_INT_CST_LOW.
4239 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4240 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4242 * c-tree.h (min_precision): Move declaration to here.
4243 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4244 (build_unary_op, add_pending_init): Use bit_position.
4245 (pending_init_member, process_init_element): Likewise.
4246 (really_start_incremental_init, push_init_level, pop_init_level):
4247 Don't make copies of nodes or modify them in place, use consistent
4248 types when tracking positions, and use tree routines computations.
4249 (set_init_index, output_init_element): Likewise.
4250 (output_pending_init_elements, process_init_element): Likewise.
4251 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4252 tree_low_cst and int_bit_position; also minor cleanup.
4253 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4254 (print_cst_octal): Precision is unsigned.
4255 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4256 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4257 (simple_type_align_in_bits): Result is unsigned int.
4258 Use tree_int_low_cst and host_integerp.
4259 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4260 (field_byte_offset): Result is HOST_WIDE_INT.
4261 Change types of internal variables so alignments are unsigned int,
4262 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4263 Use host_integerp, tree_low_cst, and int_bit_position.
4264 (add_bit_offset_attribute): Likewise.
4265 (add_data_member_location_attribute): Use tree_cst_low.
4266 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4267 (add_bit_size_attribute): Use tree_low_cst.
4268 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4269 * dwarfout.c: Similar changes to dwarf2out.c.
4270 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4271 * genoutput.c (n_occurences): Return -1 for null string.
4272 (strip_whitespace): Accept null string and make into function.
4273 (scan_operands): Reflect above changes.
4274 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4275 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4276 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4277 * tree.c (int_size_in_bytes): Check for too big to represent.
4278 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4279 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4281 (min_precision): Delete from here.
4282 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4283 and int_bit_position.
4284 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4285 (encode_method_def): Likewise.
4286 (build_ivar_list_initializer): Use int_bit_position.
4287 (generate_shared_structures): Convert size.
4288 (encode_type, encode_complete_bitfield): Use integer_zerop.
4289 (encode_bitfield): Use tree_low_cst and int_bit_position.
4291 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4293 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4295 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4297 * call.c (special_function_p): It is only malloc if it returns
4300 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4302 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4303 (C33_FLAG, TARGET_C3X): Add macros.
4304 (TARGET_SWITCHES): Add -m33 option.
4305 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4307 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4309 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4310 (PARALLEL_PACK_FLAG): Delete.
4311 (TARGET_SWITCHES): Update.
4312 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4314 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4316 * fold-const.c (fold): Fix a few cases when the returned result
4317 is not of the same type as the input.
4319 2000-03-16 Nick Clifton <nickc@cygnus.com>
4321 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4324 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4326 * libgcc2.h: Move prototypes above macros with the same name.
4327 Wrap some function prototypes in the conditional which indicates
4328 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4330 2000-03-16 Richard Henderson <rth@cygnus.com>
4332 * calls.c: Revert last two changes.
4334 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4336 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4337 has exponent 0 is a zero.
4339 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4340 HASH may already be nonzero. Add code/mode into hash value
4341 immediately after repeat label.
4342 (cselib_lookup): Don't leave the hash table in an inconsistent
4343 state before a hash lookup operation.
4345 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4347 * i386.md (all HI and QI mode non-move patterns): Conditionize
4348 by TARGET_[HQ]IMODE_MATH.
4349 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4350 x86_promote_qi_regs): Declare.
4351 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4352 TARGET_PROMOTE_QI_REGS): New macros.
4353 (PROMOTE_MODE): New macro.
4354 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4355 x86_promote_qi_regs): New global variables.
4357 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4359 * calls.c (emit_library_call_value_1): Break out from ...; handle
4360 VOIDmode function calls too.
4361 (emit_library_call_value): ... here.
4362 (emit_library_call): Implement by calling emit_library_call_value_1.
4364 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4366 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4367 Update arg_space_so_far on stack adjustments.
4368 (emit_library_call, emit_library_call_value): Likewise; take into
4369 account arg_space_so_far and pending_stack_adjust when calculcating
4372 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4374 * flow.c: Move all basic block reordering code into its own file.
4375 (create_basic_block): Externalize.
4376 * bb-reorder.c: New file. Copy all basic block reordering code from
4377 flow.c to this file.
4378 (reorder_basic_blocks): Fix fencepost error in for-loop.
4379 (reorder_basic_blocks): Remove braces from single statement for-loops.
4380 * basic-block.h: Add declaration for create_basic_block.
4381 * Makefile.in: Add rules for bb-reorder.o.
4383 2000-03-16 Neil Booth <NeilB@earthling.net>
4385 * cppinit.c (handle_option): Implement #unassert directive
4386 as -A- command line option.
4387 (print_help): Update.
4388 * cpptexi.c: Update.
4390 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4392 * md.texi (Standard Names): Document `jump'.
4394 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4396 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4399 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4401 Merge changes from newppc-branch onto trunk.
4403 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4405 * rs6000.c (toc_hash_table): Update for new hash table functions.
4406 (toc_hash_function): Likewise.
4407 (toc_hash_eq): Likewise.
4408 (toc_hash_mark_entry): Likewise.
4409 (toc_hash_mark_table): Likewise.
4410 (output_toc): Likewise.
4411 (rs6000_add_gc_roots): Likewise.
4413 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4415 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
4416 (AR_FLAGS_FOR_TARGET): here. New macro.
4418 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
4420 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
4421 fpmem_operand) Delete.
4423 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
4424 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
4425 (rs6000_save_machine_status, rs6000_restore_machine_status,
4426 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
4427 references to above variables.
4428 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
4429 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
4430 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
4431 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
4432 (XER_REGNO_P, XER_REGNO): New.
4433 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
4434 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
4435 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
4437 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4438 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
4439 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
4441 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4443 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
4444 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
4445 * rs6000.h: from here.
4447 * rs6000-protos.h (rs6000_select_section): Provide prototype.
4448 (rs6000_select_rtx_section): Likewise.
4449 (rs6000_encode_section_info): Likewise.
4450 (sdata_section): Likewise.
4451 (sdata2_section): Likewise.
4452 (sbss_section): Likewise.
4453 * sysv4.h (rs6000_select_section): Delete prototype.
4454 (rs6000_select_rtx_section): Likewise.
4455 (rs6000_encode_section_info): Likewise.
4456 (sdata_section): Likewise.
4457 (sdata2_section): Likewise.
4458 (sbss_section): Likewise.
4459 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
4461 * sysv4.h: Delete various unnecessary #undef's and put a comment
4462 on the remaining ones.
4463 Change various comments according to coding standard.
4465 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
4467 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
4468 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
4469 (CR0_REGNO_P) Remove.
4470 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
4471 setup_incoming_varargs, mtcrf_operation, print_operand,
4472 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
4473 Use the above macros.
4475 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
4477 * config/rs6000/rs6000.md: Added a new alternative for each
4478 pattern that had a 'x' alternative but no 'y' alternative.
4479 Added a new split for each of the above patterns.
4481 2000-02-18 Geoff Keating <geoffk@cygnus.com>
4483 * aix41.h (ASM_CPU_SPEC): Delete.
4484 (CPP_CPU_SPEC): Delete.
4486 * aix.h (RS6000_OUTPUT_BASENAME): Define.
4487 (ASM_OUTPUT_LABEL): Define.
4488 (ASM_GLOBALIZE_LABEL): Define.
4489 (STRIP_NAME_ENCODING): Define.
4490 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
4491 (STRIP_NAME_ENCODING): Don't define.
4492 (ASM_OUTPUT_LABEL): Don't define.
4493 (ASM_GLOBALIZE_LABEL): Don't define.
4494 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
4495 names, and ASM_OUTPUT_LABEL to output labels, rather than
4497 (ASM_OUTPUT_LABEL): Define.
4498 (ASM_OUTPUT_INT): Use assemble_name.
4499 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
4500 (STRIP_NAME_ENCODING): Don't undefine first.
4501 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
4503 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
4504 specified with 'asm' even with -fleading-underscore.
4505 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
4506 (output_epilog): Likewise.
4507 (output_toc): Likewise.
4508 * tramp.asm: Handle -fleading-underscore correctly.
4510 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
4512 (nonlocal_goto_receiver): Delete.
4513 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
4515 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
4516 (SET_ASM_OP): Define.
4517 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
4519 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
4522 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
4523 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
4525 * rs6000.h: Add 'u' to more constants.
4527 2000-02-18 David Edelsohn <edelsohn@gnu.org>
4529 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
4531 2000-02-15 David Edelsohn <edelsohn@gnu.org>
4533 * rs6000.c (reg_or_u_cint_operand): New function.
4534 (logical_operand): Handle 64-bit hosts.
4535 (logical_u_operand): New function.
4536 (non_logical_cint_operand): Handle 64-bit hosts.
4537 (non_logical_u_cint_operand): New function.
4538 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
4539 (PREDICATE_CODES): Define new functions.
4540 * rs6000-protos.h: Declare new functions.
4541 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
4542 (movdi_64): Bracket code intended for 64-bit hosts. Create
4543 CONST_DOUBLE for 32-bit values.
4544 (scc insns): Generate DImode compares.
4545 (mfcr insns): Create DImode versions.
4546 (sge matchers): New patterns.
4548 2000-02-15 Gabriel Paubert <paubert@iram.es>
4550 * rs6000.md: Correct instructions length attributes and
4551 constraints on unsigned compare instructions.
4552 (*ne0): Disable for PowerPC64.
4554 2000-02-11 Geoff Keating <geoffk@cygnus.com>
4556 * rs6000.c (output_function_profiler): Use .long for a 32-bit
4557 quantity, fix profile1.C test failure under -fPIC.
4559 * rs6000.c: Add 'u' to many constants to suppress warnings.
4560 (constant_pool_expr_1): Make static.
4561 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
4562 * rs6000.h: Add 'u' to many constants to suppress warnings.
4564 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
4565 for the start of the TOC, instead of LCTOC..0.
4566 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
4568 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
4569 (load_toc_aix_di): Use LCTOC..1.
4571 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
4572 * rs6000.c (rs6000_legitimize_address): New function from
4573 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
4574 symbols in the constant pool that really are TOC references.
4575 (print_operand_address): For ELF, write TOC offsets under
4576 -fPIC as subtractions in the insn.
4577 (output_toc): For ELF, define symbols in TOC as normal labels,
4579 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
4580 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
4581 (create_TOC_reference): Prototype only when RTX_CODE is defined.
4582 * rs6000.md (movsi): Only use create_TOC_reference on
4583 symbols in the constant pool that really are TOC references.
4585 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
4586 * rs6000.c (rs6000_reorg): Delete.
4587 * rs6000-protos.h (rs6000_reorg): Delete.
4589 2000-02-09 Geoff Keating <geoffk@cygnus.com>
4591 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
4593 * aix.h (SETUP_FRAME_ADDRESSES): Define.
4594 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
4595 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
4596 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
4597 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
4598 rs6000_aix_emit_builtin_unwind_init.
4599 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
4600 rs6000_emit_eh_toc_restore on AIX.
4601 (return_eh_si): Use r2.
4602 (return_eh_di): Use r2.
4604 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
4605 since we're breaking binary compatibility anyway.
4607 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
4609 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
4610 constant_pool_expr_p): Declare them.
4611 (constant_pool_expr_p): Declare it.
4612 * config/rs6000/rs6000.c (toc_label_name): Define.
4613 (rs6000_override_options): Set toc_label_name.
4614 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
4615 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
4616 uses_TOC): New functions.
4617 (print_operand): Delete old '*' case.
4618 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
4619 and strip off rtl for TOC before calling output_addr_const.
4620 (rs6000_emit_load_toc_table): Use toc_label_name.
4621 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
4623 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
4624 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
4625 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
4626 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
4627 into explicit TOC_REGISTER offsets.
4628 (TOC_REGISTER): New macro.
4629 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
4630 TARGET_TOC to reference TOC_REGISTER.
4631 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
4632 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
4633 uses_TOC before emitting label references.
4635 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4637 * rs6000.md (stack_tie): Fix warning.
4639 * eabi-ctors.c: Use 'asm' names for the start/end variables,
4640 to handle -fleading-underscore.
4641 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
4642 (USER_LABEL_PREFIX): New macro.
4643 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
4644 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
4645 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
4646 call-linux can use the same multilibs.
4647 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
4648 and call-linux multilibs. Do multilib with -fleading-underscore.
4649 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
4650 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
4653 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
4654 have MASK_SOFT_FLOAT set.
4655 (CPP_FLOAT_DEFAULT_SPEC): New macro.
4656 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
4657 CPP_FLOAT_DEFAULT_SPEC.
4659 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
4660 * rs6000.md: Whitespace change.
4661 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
4662 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
4664 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4666 * rs6000.md (eh_epilogue): New expander.
4667 (eh_reg_restore): New expand/split/insn combination.
4668 (return_eh_si): New insn.
4669 (return_eh_di): New insn.
4671 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
4672 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
4673 * eabi-ctors.c (__do_global_ctors): Register this object's
4674 frame. Clean up. Call atexit() after the constructors.
4675 (__do_global_dtors): Deregister this object's frame. Clean up.
4676 Allow for recursive calls to exit().
4677 * rs6000.c (fixuplabelno): New variable.
4678 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
4679 TARGET_RELOCATABLE, it slows down exec() under linux.
4680 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
4682 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
4683 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
4684 (ASM_OUTPUT_DWARF_DELTA2): New macro.
4685 (ASM_OUTPUT_DWARF_DELTA4): New macro.
4686 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
4687 (ASM_OUTPUT_DWARF_ADDR): New macro.
4688 (ASM_OUTPUT_DWARF_DATA4): New macro.
4689 (ASM_OUTPUT_DWARF_DATA2): New macro.
4690 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
4691 (ASM_OUTPUT_DWARF_OFFSET): New macro.
4692 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
4694 2000-02-03 Geoff Keating <geoffk@cygnus.com>
4696 * rs6000.c (rs6000_sr_alias_set): New variable.
4697 (rs6000_override_options): Initialise rs6000_sr_alias_set.
4698 (rs6000_emit_stack_tie): New function.
4699 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
4700 in a way that dwarf2out can understand.
4701 (rs6000_frame_related): New function.
4702 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
4703 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
4704 Use rs6000_emit_stack_tie when needed.
4705 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
4706 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
4707 * rs6000.md (stack_tie): New insn.
4708 (return_internal_si): Allow return value to be in the count
4710 (return_internal_di): Likewise.
4712 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
4714 2000-02-03 Geoff Keating <geoffk@cygnus.com>
4716 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
4718 2000-01-31 Geoff Keating <geoffk@cygnus.com>
4720 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
4722 * rs6000.md (stmw): Use the right POWER opcode.
4725 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4727 * rs6000-protos.h: New file.
4729 * rs6000.c: Include tm_p.h. Fix compile time warnings.
4731 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
4734 * sysv4.h: Likewise.
4736 2000-01-28 Geoff Keating <geoffk@cygnus.com>
4738 * ../../configure.in: Delete powerpcle-*-winnt*
4739 and powerpcle-*-pe|powerpcle-*-cygwin*.
4740 * ../../configure: Regenerated.
4742 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
4743 (TARGET_WINDOWS_NT): Delete.
4745 (CALL_NT_DLLIMPORT): Delete.
4746 Delete NT-specific code.
4747 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
4750 * nt-ci.asm: Delete.
4751 * nt-cn.asm: Delete.
4752 * ntstack.asm: Delete.
4754 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4756 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
4757 (ASM_FILE_START): Likewise.
4758 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4759 (ASM_OUTPUT_LABELREF): Likewise.
4760 (ASM_OUTPUT_SKIP): Likewise.
4761 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4762 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4763 (ASM_OUTPUT_CASE_LABEL): Likewise.
4764 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
4765 (ASM_OUTPUT_ASCII): Likewise.
4767 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
4769 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
4770 reload_toc_labelno for non-prologue TOC reloads. Also, don't
4771 increment rs6000_pic_labelno here.
4772 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
4773 and increment rs6000_pic_labelno here.
4775 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
4777 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
4778 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
4779 allocation knows (reg) is dead before the insn.
4781 2000-01-21 Geoff Keating <geoffk@cygnus.com>
4783 * rs6000.md (movsi_to_cr): Correct typo in output template.
4785 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
4787 * rs6000.c (rs6000_pic_labelno): Always define.
4788 (rs6000_pic_func_labelno): Delete.
4789 (lmw_operation): Check for a zero base register,
4790 which doesn't mean what we want.
4791 (stmw_operation): New function.
4792 (print_operand): Define new 'l' modifier.
4793 (rs6000_stack_info): We must save all 64 bits of the registers
4794 if TARGET_POWERPC64.
4795 (rs6000_output_load_toc_table): Delete.
4796 (rs6000_emit_load_toc_table): New function.
4797 (rs6000_allocate_stack_space): Delete.
4798 (rs6000_emit_allocate_stack): New function.
4799 (rs6000_emit_prologue): New function.
4800 (output_prolog): Use rs6000_emit_prologue.
4801 (rs6000_emit_epilogue): Change a few variable names to be
4802 more accurate. Restore all 64 bits of the registers if
4803 TARGET_POWERPC64. Only restore the FP registers which were used
4804 if they are being saved/restored one-at-a-time.
4805 (output_mi_thunk): Delete inefficient code generation.
4806 (output_function_profiler): Don't use rs6000_output_load_toc_table.
4807 * rs6000.h: Declare rs6000_emit_load_toc_table,
4808 rs6000_allocate_stack_space, stmw_operation. Don't declare
4809 rs6000_output_load_toc_table.
4810 * rs6000.md (elf_high): Allow register 0, but discourage it
4812 (elf_low): Support loading into register 0.
4813 (load_toc_aix_si): New pattern.
4814 (load_toc_aix_di): New pattern.
4815 (load_toc_v4_pic_si): New pattern.
4816 (load_toc_v4_pic_di): New pattern.
4817 (load_toc_v4_PIC_1): New pattern.
4818 (load_toc_v4_PIC_1b): New pattern.
4819 (load_toc_v4_PIC_2): New pattern.
4820 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
4821 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
4822 (prologue): New expander.
4823 (movesi_from_cr): New pattern.
4824 (stmw): New pattern.
4825 (save_fpregs_si): New pattern.
4826 (save_fpregs_di): New pattern.
4828 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4830 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
4835 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4837 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
4839 (movsi_got_internal): Likewise.
4840 (movsi_got_internal+1): Likewise.
4841 (set_sp): 'unspec 7' does a SImode clobber.
4843 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4845 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
4846 allocate a stack temporary.
4847 (floatsidf2_internal): Likewise.
4848 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
4850 (floatunssidf2): Don't use the fpmem "register", just
4851 allocate a stack temporary.
4852 (floatunssidf2_internal): Likewise.
4853 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
4855 (floatsidf2_loadaddr): Delete.
4856 (floatsidf2_store1): Delete.
4857 (floatsidf2_store2): Delete.
4858 (floatsidf2_load): Delete.
4859 (fix_truncdfsi2): Don't use the fpmem "register", just
4860 allocate a stack temporary.
4861 (fix_truncdfsi2_internal_si): Delete.
4862 (fix_truncdfsi2_internal_di): Delete.
4863 (fix_truncdfsi2_internal): New insn.
4864 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
4865 (fix_truncdfsi2_store): Delete.
4866 (fix_truncdfsi2_load): Delete.
4867 (fctiwz): Produce gen_fctiwz.
4869 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
4871 * eabi.h (INVOKE__main): Define.
4872 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
4874 (rs6000_emit_prologue): Likewise.
4875 * rs6000.h (struct rs6000_stack): Don't keep track of whether
4876 this is the main program.
4878 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4880 * rs6000.c (rs6000_va_arg): Delete some unused variables.
4882 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4884 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
4885 goes after the argument.
4887 2000-01-12 Geoff Keating <geoffk@cygnus.com>
4889 * rs6000.md: Document 'unspec' values used.
4890 (epilogue): New expander.
4891 (movesi_to_cr_one): New expander.
4892 (movesi_to_cr and following): New pattern.
4894 (return_internal_si): New pattern.
4895 (return_internal_di): New pattern.
4896 (return_and_restore_fpregs_si): New pattern.
4897 (return_and_restore_fpregs_di): New pattern.
4898 * rs6000.h: Declare new functions.
4899 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
4900 rather than rs6000_calls_p.
4901 (rs6000_makes_calls): Delete.
4902 (lmw_operation): New function.
4903 (mtcrf_operation): New function.
4904 (rs6000_emit_epilogue): New function.
4905 (output_epilog): Call rs6000_emit_epilogue and final if
4906 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
4908 2000-01-12 Geoff Keating <geoffk@cygnus.com>
4910 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
4911 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
4912 * aix.h (SUBTARGET_SWITCHES): Document switches.
4913 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
4914 sched-prolog and sched-epilog the same. Document all the
4916 (TARGET_OPTIONS): No longer allow -mdebug-.
4918 2000-01-12 Geoff Keating <geoffk@cygnus.com>
4920 * rs6000.h (ASM_FILE_END): Move to aix.h.
4921 (EXTRA_SECTIONS): Move to aix.h.
4922 (READONLY_DATA_SECTION): Move to aix.h.
4923 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
4924 (SELECT_SECTION): Move to aix.h.
4925 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
4926 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
4927 (LINK_REGISTER_REGNUM): New definition.
4928 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
4929 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
4931 * sysv4.h: Delete the code between the inclusion of rs6000.h
4933 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
4934 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
4935 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
4936 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
4937 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
4938 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
4939 (fix_truncdfsi2_internal_di): New pattern.
4940 (fix_truncdfsi2_store): The second arg here is Pmode too.
4941 (fix_truncdfsi2_load): The second arg here is Pmode too.
4942 (tablejumpdi): Now that switch tables hold only SImode values,
4943 gcc needs to know how to add them to the pc which is DImode.
4944 * rs6000.c (rs6000_stack_info): Use symbolic name for
4945 LINK_REGISTER_REGNUM.
4946 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
4947 (output_toc): Delete unused variables s1 and s2.
4948 (output_ascii): Use fputs not fprintf on a variable string.
4950 2000-01-07 David Edelsohn <edelsohn@gnu.org>
4952 * rs6000.c (processor_target_table): Add power3 as alias for 630.
4953 * aix43.h: Revert Aug 2 change.
4954 (HAS_INIT_SECTION): Define, not visible yet.
4955 (LD_INIT_SWITCH): Define, not visible yet.
4956 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
4958 2000-01-04 Joel Sherrill (joel@OARcorp.com>
4960 * config/rs6000/rtems.h: Include config/rtems.h.
4962 2000-01-04 David Edelsohn <edelsohn@gnu.org>
4964 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
4965 (SLOW_UNALIGNED_ACCESS): Define.
4966 (CASE_VECTOR_MODE): Always use 32-bit offsets.
4967 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
4968 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
4969 (toc_section): Likewise and .toc pseudo-op.
4970 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
4972 (TEXT_SECTION_ASM_OP): Likewise.
4973 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
4976 1999-12-17 Jakub Jelinek <jakub@redhat.com>
4978 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
4979 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
4982 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4984 * rs6000.h: Move more stuff from here...
4986 * sysv4.h: Cleanup accordingly.
4987 * netware.h: Likewise
4989 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4991 * rs6000.h: Continue cleanup.
4994 * netware.h: Likewise.
4996 * sysv4.h: Likewise.
4997 * win-nt.h: Likewise.
4999 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5000 (TARGET_OPTIONS): Likewise.
5002 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5003 (SUBTARGET_OPTIONS): Likewise.
5005 * rs6000.md: Fix compile time warnings.
5007 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5009 vxworks patches from the Cygnus tree originally by
5010 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5011 <vmakarov@cygnus.com>.
5012 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5013 (ENDFILE_SPEC): Likewise.
5014 (LIB_VXWORKS_SPEC): New macro.
5015 (STARTFILE_VXWORKS_SPEC): New macro.
5016 (ENDFILE_VXWORKS_SPEC): New macro.
5017 (LINK_START_VXWORKS_SPEC): New macro.
5018 (LINK_OS_VXWORKS_SPEC): New macro.
5019 (CPP_OS_VXWORKS_SPEC): New macro.
5020 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5021 * vxppc.h: Rewrite to use proper configuration method.
5022 * vxppcle.h: New file.
5023 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5024 * ../../configure: Rebuilt.
5026 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5028 Lots of changes to rs6000.h, sysv4.h, aix.h,
5029 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5030 with the aim that rs6000.h is the first header
5031 included and the others override it.
5034 * x-aix41-gld: Remove.
5036 * x-aix41: Remove target-specific switches, and don't specify
5037 -Wl,-bbigtoc as we don't need it any more.
5038 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5039 Use t-aix43 for AIX 4.3 and above.
5040 * ../../configure: Regenerated.
5042 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5043 options, that don't do anything yet.
5044 (MASK_SCHED_PROLOG): New macro.
5045 (MASK_SCHED_EPILOG): New macro.
5046 (TARGET_SCHED_PROLOG): New macro.
5047 (TARGET_SCHED_EPILOG): New macro.
5049 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5051 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5052 one per translation unit, not one per function.
5053 (output_toc): Also do duplicate constant elimination
5054 for per-translation-unit TOCs.
5056 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5057 a comment explaining _exactly_ when this pattern gets used.
5058 (builtin_setjmp_receiver): New pattern for better clarity.
5059 (init_v4_pic): Move it into a section dealing with TOC registers.
5061 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5063 * rs6000.c (toc_hash_table): New variable.
5064 (rs6000_hash_constant): New function.
5065 (toc_hash_function): New function.
5066 (toc_hash_eq): New function.
5067 (toc_hash_mark_entry): New function.
5068 (toc_hash_mark_table): New function.
5069 (output_toc): Don't output duplicate TOC entries in
5071 (rs6000_add_gc_roots): Add the hash table as a GC root.
5072 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5073 where they clearly shouldn't be. This may need to be fixed
5074 later when there is a GNU ar for AIX.
5075 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5076 Don't define BOOT_LDFLAGS as it is now not necessary.
5078 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5080 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5081 for va_list on AIX. Use unsigned_char_type_node rather than
5082 constructing our own version on svr4.
5084 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5086 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5087 since patently it's not.
5089 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5091 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5092 define_expand/define_insn pair, and handle restore of the
5093 SVR4 -fpic register.
5095 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5097 * acconfig.h (HAVE_GAS_WEAK): New define.
5098 * configure.in (assembler weak support): Check for .weak support.
5099 * config.in, configure: Rebuilt.
5100 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5101 HAVE_GAS_WEAK is defined.
5103 2000-03-15 Nick Clifton <nickc@cygnus.com>
5105 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5108 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5110 * cppfiles.c (open_include_file): New function.
5111 (find_include_file, cpp_read_file): Use it.
5113 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5115 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5117 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5119 * flow.c (verify_flow_info): Check for unconditional return.
5121 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5123 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5124 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5125 (__ia64_restore_stack_nonlocal): New.
5126 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5128 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5130 * cpphash.c (collect_formal_parameters): Do not complain about
5131 parameter names that just start with `__VA_ARGS__'.
5133 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5135 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5136 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5137 * i386.c (pentiumpro_cost): Set mul cost to 4.
5138 (x86_use_movx): Set for PPro.
5140 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5142 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5143 STACK_BOUNDARY for empty frames now.
5145 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5147 * stor-layout.c (layout_union): Remove.
5148 (layout_union_field): New function, split out from layout_union.
5149 (finish_union_layout): Likewise.
5150 (layout_field): Handle unions by calling layout_union_field.
5151 (finish_record_layout): Handle unions.
5152 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5153 QUAL_UNION_TYPE handling.
5155 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5157 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5158 end of basic block is jump_insn, not barrier; use create_basic_block
5159 instead of creating basic block by hand.
5161 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5163 * flow.c (reorder_basic_blocks): Account for barriers when writing
5164 over NEXT_INSN (last_bb->end).
5165 (verify_flow_info): Add check for missing barriers.
5167 2000-03-14 Greg McGary <gkm@gnu.org>
5169 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5170 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5171 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5172 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5173 __unbounded, __unbounded__): New keywords.
5174 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5175 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5176 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5178 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5180 * cselib.h: New file.
5181 * alias.c: Include "cselib.h".
5182 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5183 MEMs as two new arguments.
5184 (get_addr): New static function.
5185 (find_base_term): Handle VALUEs.
5186 (memrefs_conflict_p): Likewise.
5187 (true_dependence): Call get_addr on the addresses.
5188 Call fixed_scalar_and_varying_struct_p with addresses that have been
5189 passed through get_addr and canon_rtx.
5190 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5191 with true_dependence.
5192 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5193 * loop.c: Include "cselib.h".
5194 (load_mems): Process extended basic block that enters the loop with
5195 cselib. Use that information to change initialization of the shadow
5196 register so that a constant equivalence is seen by later passes.
5197 * reload1.c: Include "cselib.h".
5198 (reload_cse_invalidate_regno): Delete function.
5199 (reload_cse_mem_conflict_p): Likewise.
5200 (reload_cse_invalidate_mem): Likewise.
5201 (reload_cse_invalidate_rtx): Likewise.
5202 (reload_cse_regno_equal_p): Likewise.
5203 (reload_cse_check_clobber): Likewise.
5204 (reload_cse_record_set): Likewise.
5205 (reg_values): Delete static variable.
5206 (invalidate_regno_rtx): Likewise.
5207 (reload_cse_delete_noop_set): New static function.
5208 (reload_cse_simplify): New static function, broken out of
5210 (reload_cse_noop_set_p): Delete unused argument INSN.
5211 Just call rtx_equal_for_cselib_p on set source and destination.
5212 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5213 reload_cse_delete_noop_set. Delete code to keep track of values; use
5214 cselib functions instead. Delete code to push/pop obstacks.
5215 (reload_cse_simplify_set): Use cselib to find equivalent values.
5216 Delete code to push/pop obstacks.
5217 (reload_cse_simplify_operands): Likewise.
5218 * rtl.def (VALUE): New rtx code.
5219 * rtl.h (union rtunion_def): New elt rt_cselib.
5220 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5221 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5222 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5223 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5224 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5225 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5226 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5227 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5228 cselib_record_set, cselib_record_sets): New static functions.
5229 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5230 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5231 references_value_p): New functions.
5232 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5233 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5234 n_useless_values, reg_values, callmem, cselib_obstack,
5235 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5236 New static variables.
5237 * varray.h (union varray_data_tag): New elt te.
5238 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5239 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5242 2000-03-14 Nick Clifton <nickc@cygnus.com>
5244 * gcc.c (do_spec_1): Catch the case where %* is used in a
5245 substitution pattern, but it has not been initialised.
5246 Issue a meaningful error message if an unrecognised operator
5247 is encountered in a spec string.
5249 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5251 * function.c (prepare_function_start): Correctly initialize
5252 cfun->stack_alignment_needed.
5254 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5256 * cppfiles.c (find_include_file): Don't assume nshort is a
5259 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5261 * configure.in (hppa configurations): Add pa32-regs.h to the
5262 list of tm files as appropriate.
5263 * configure: Rebuilt.
5264 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5266 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5267 (fmpyaddoperands, fmpysuboperands): Likewise.
5268 * pa.h: Remove various definitions which depend on knowing
5269 how registers are numbered.
5270 * pa32-regs.h: New file with PA32 register numbering specific
5273 2000-03-14 Richard Henderson <rth@cygnus.com>
5275 * regmove.c (combine_stack_adjustments): New.
5276 (stack_memref_p, single_set_for_csa): New.
5277 (free_csa_memlist, record_one_stack_memref): New.
5278 (try_apply_stack_adjustment): New.
5279 (combine_stack_adjustments_for_block): New.
5280 * rtl.h (combine_stack_adjustments): Declare.
5281 * toplev.c (rest_of_compilation): Call it.
5283 * i386.md: Revert 2000-01-16 change.
5285 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5287 * gccbug.in: Add web category, gcc specific classes.
5289 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5291 * stor-layout.c (finalize_record_size): Fix typo.
5293 2000-03-14 Stan Shebs <shebs@apple.com>
5295 * c-typeck.c (c_alignof): Error on incomplete types.
5296 * extend.texi (Alignment): Document this.
5298 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5300 * cppfiles.c: Include mkdeps.h.
5301 (find_include_file, read_include_file): Remove _cpp_ prefix
5302 from name, make static.
5303 (_cpp_execute_include): New function, broken out of
5306 * cpplib.c: Don't include mkdeps.h.
5307 (struct directive): Remove type field. Reorder entries. The
5308 function takes only one argument.
5309 (struct if_stack): Make type field an int.
5310 (directive_table): Rename to dtable. Generate it, the
5311 prototypes of the directive handlers, and the enum for the
5312 directive numbers, from a template macro.
5313 (do_ifndef, do_include_next, do_import): New functions.
5314 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5315 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5316 do_ident, do_assert, do_unassert, do_sccs): Take only one
5318 (do_sccs): Define always, but alter behavior based on
5320 (_cpp_handle_directive, consider_directive_while_skipping):
5321 Restructure for new directive table layout.
5323 (pass_thru_directive): Take a directive number, not a pointer
5324 to a struct directive.
5325 (parse_include): New function, broken out of do_include.
5326 (do_include, do_import, do_include_next): Use parse_include
5327 and _cpp_execute_include.
5328 (do_elif, do_else): Test for T_ELSE specifically when checking
5329 for #elif/#else after #else.
5330 (parse_ifdef): New function, broken out of do_ifdef.
5331 (validate_else): Expect a name arg without a leading #.
5332 (if_directive_name): Delete.
5333 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5334 directive handlers with only one argument.
5336 * cpphash.h: Update prototypes.
5337 (enum node_type): Remove entries for directives.
5338 * Makefile.in: Update dependencies.
5340 * cpphash.c (dump_hash_helper): Only dump nodes of type
5341 T_MACRO. Emit a newline after each definition.
5343 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5345 * gccbug.in: New file.
5346 * configure.in (all_outputs): Add gccbug.
5347 * Makefile.in (install-common): Install gccbug.
5348 (GCCBUG_INSTALL_NAME): New variable.
5349 * configure: Rebuilt.
5351 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5353 * function.c (put_var_into_stack): Use type_for_mode to calculate
5354 part_type. Use MEM_SET_IN_STRUCT_P.
5355 * expr.c (store_field): Handle CONCAT.
5356 (store_constructor): Use fields_length.
5357 * tree.c (fields_length): New fn.
5358 * tree.h: Declare it.
5360 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5362 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5363 (cpplex.o): New target.
5364 * po/POTFILES.in: Add cpplex.c.
5366 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5367 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5368 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5369 skip_block_comment, skip_line_comment, skip_comment,
5370 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5371 _cpp_parse_name, skip_string, parse_string,
5372 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5373 _cpp_get_directive_token, find_position,
5374 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5375 (maybe_macroexpand, _cpp_lex_token): New functions.
5377 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5378 parse_goto_mark): Delete.
5379 (_cpp_handle_eof): New function.
5380 (_cpp_handle_directive): Rename from handle_directive.
5381 (_cpp_output_line_command): Rename from output_line_command.
5382 (do_if, do_elif): Call _cpp_parse_expr directly.
5383 * cppfiles.c (_cpp_read_include_file): Don't call
5384 init_input_buffer here.
5385 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5386 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5387 here; pop the token_buffer and skip the rest of the line here.
5388 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5391 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5393 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5394 CPP_GOTO_MARK): New macros.
5395 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5396 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5397 _cpp_read_and_prescan, _cpp_init_input_buffer,
5398 _cpp_grow_token_buffer, _cpp_get_directive_token,
5399 _cpp_handle_directive, _cpp_handle_eof,
5400 _cpp_output_line_command): Prototype them here.
5401 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5402 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5403 quote_string, output_line_command): Remove.
5405 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
5407 * stmt.c (expand_end_case): RANGE may be signed, and when checking
5408 whether it is too large we must also verify that it isn't negative.
5410 2000-03-13 Jakub Jelinek <jakub@redhat.com>
5412 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
5413 (movsi_zero_liveg0): Remove.
5414 (movsf_insn_novis_liveg0): Remove.
5416 (negsi2_not_liveg0): Rename to negsi2.
5417 (one_cmplsi2): Remove.
5418 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
5419 (one_cmplsi2_liveg0): Remove.
5420 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
5421 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
5422 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
5423 (PREDICATE_CODES): Remove zero_operand.
5424 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
5425 TARGET_BROKEN_SAVERESTORE.
5426 (zero_operand): Remove.
5427 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
5428 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
5430 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5431 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5432 TARGET_BROKEN_SAVERESTORE): Remove.
5433 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5435 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5437 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5440 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
5442 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5444 * cpplib.c (do_pragma_implementation): Fix off-by-one error
5445 truncating a string. Don't assume tokens are nul terminated.
5446 Problem noted by Andreas Jaeger <aj@suse.de>
5448 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5450 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
5451 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
5452 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
5454 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
5456 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
5457 STRUCTURE_SIZE_BOUNDARY.
5459 2000-03-13 Mark Mitchell <mark@codesourcery.com>
5461 * tree.h (record_layout_info_s): New structure.
5462 (record_layout_info): New type.
5463 (new_record_layout_info): New function.
5464 (layout_field): Likewise.
5465 (finish_record_layout): Likewise.
5466 * stor-layout.c (layout_record): Remove.
5467 (new_record_layout_info): New function.
5468 (layout_field): New function, broken out from layout_record.
5469 (finalize_record_size): Likewise.
5470 (compute_record_mode): Likewise.
5471 (finalize_type_size): New function, broken out from layout_type.
5472 (finish_record_layout): Likewise.
5473 (layout_type): Use them.
5475 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5477 * cpphash.c: Don't include version.h.
5478 (special_symbol) [case T_VERSION]: Look for the string in
5479 hp->value.cpval; don't use version_string.
5480 * cppinit.c (initialize_builtins): Set hp->value.cpval for
5481 __VERSION__ to version_string.
5482 * Makefile.in (cpphash.o): Update deps.
5484 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5486 Convert cpplib to use libiberty/hashtab.c.
5488 * cpplib.h (struct cpp_reader): Make hashtab and
5489 all_include_files of type 'struct htab *'. Delete HASHSIZE
5490 and ALL_INCLUDE_HASHSIZE macros.
5492 * cpphash.h: Update prototypes.
5493 (struct hashnode): Remove next, prev, and bucket_hdr members.
5494 Make length a size_t. Add hash member.
5495 (struct ihash): Remove next member. Add hash member. Make
5496 name a flexible array member.
5498 * cppfiles.c: Include hashtab.h.
5499 (include_hash): Delete.
5500 (IHASHSIZE): New macro.
5501 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
5502 (cpp_included): Do the hash lookup here.
5503 (_cpp_find_include_file): Rewrite.
5504 (cpp_read_file): Put the "fake" hash entry into the hash
5505 table. Honor the control_macro, if it turns out we've seen
5506 the file before. Don't push the buffer here.
5507 (_cpp_read_include_file): Push the buffer here.
5508 (OMODES): New macro. Use it whenever we call open(2).
5510 * cpphash.c: Include hashtab.h.
5511 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
5512 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
5513 _cpp_lookup_slot): New functions.
5514 (HASHSIZE): new macro.
5515 (hashf, _cpp_install, _cpp_delete_macro): Delete.
5516 (_cpp_lookup): Use hashtab.h routines.
5518 * cppinit.c: Include hashtab.h.
5519 (cpp_reader_init): Call _cpp_init_macro_hash and
5520 _cpp_init_include_hash. Don't allocate hashtab directly.
5521 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
5522 pfile->all_include_files.
5523 (initialize_builtins): Use _cpp_make_hashnode and
5524 htab_find_slot to add hash entries.
5525 (cpp_finish): Just call _cpp_dump_macro_hash.
5526 * cpplib.c: Include hashtab.h.
5527 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
5528 create hash entries.
5529 (do_pragma_poison, do_assert): Likewise.
5530 (do_include): Don't push the buffer here. Don't increment
5531 system_include_depth unless _cpp_read_include_file succeeds.
5532 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
5534 (do_pragma_implementation): Use alloca to create copy.
5536 * Makefile.in: Update dependencies.
5538 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5540 * cppinit.c (cl_directive_handler): More K&R fixing.
5542 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
5544 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
5546 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
5548 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5550 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
5551 Change from char[] to macros.
5553 2000-03-12 Neil Booth <NeilB@earthling.net>
5555 * cppinit.c (cpp_start_read): Update indirect function
5558 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
5560 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
5563 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5564 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
5566 2000-03-11 Neil Booth <NeilB@earthling.net>
5568 * cppinit.c (struct pending option): Replace undef with a
5569 pointer to a directive handling routine.
5570 (struct cpp_pending): Replace separate assert_ and define_
5571 lists with one directive_ list.
5572 (new_pending_define): Rename new_pending_directive. Extra
5573 argument is the directive's handling routine.
5574 (handle_option): Update to use new_pending_directive.
5576 2000-03-11 Neil Booth <NeilB@earthling.net>
5578 * cppfiles.c (file_cleanup, _cpp_find_include_file,
5579 remap_filename, _cpp_read_include_file, actual_directory,
5580 hack_vms_include_specification): Replace bcopy(), index() etc
5581 calls. Add casts to some allocations. Make some variables
5582 pointers to const [unsigned] char.
5583 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
5584 collect_formal_parameters): Similarly.
5585 * cppinit.c (struct pending_option, append_include_chain,
5586 cpp_options_init, cpp_reader_init, initialize_standard_includes,
5587 cpp_start_read, new_pending_define, handle_option): Similarly.
5588 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
5589 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
5590 do_pragma_implementation, detect_if_not_defined,
5591 do_ifdef, skip_if_group, cpp_get_token, parse_string,
5592 do_assert, do_unassert): Similarly.
5593 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
5594 function prototypes.
5595 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
5597 2000-03-10 Richard Henderson <rth@cygnus.com>
5599 * builtins.c (expand_builtin_strlen): Revert last change.
5600 Use emit_insn_before if we're at the beginning of a sequence.
5602 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
5604 * builtins.c (expand_builtin_strlen): Make sure that we have something
5605 at the beginning of the sequence.
5607 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
5610 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
5612 2000-03-10 Richard Henderson <rth@cygnus.com>
5614 * except.c (can_throw): Use INTVAL on a CONST_INT.
5615 (reachable_handlers): Likewise.
5616 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
5618 2000-03-10 Andreas Jaeger <aj@suse.de>
5620 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
5621 MD_STARTFILE_PREFIX since those are not needed on linux.
5622 (ASM_FILE_START): New, from mips/gnu.h.
5624 2000-03-09 Richard Henderson <rth@cygnus.com>
5625 Alex Samuel <samuel@codesourcery.com> and others
5627 * Makefile.in (ssa.o): New rule.
5629 (STAGESTUFF): Add *.ssa and *.ussa.
5630 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
5631 * rtl.def (PHI): New RTL expression.
5632 * rtl.h (clear_log_links): New declaration.
5633 (convert_to_ssa): Likewise.
5634 (convert_from_ssa): Likewise.
5635 * flow.c (split_edge): If the entry node falls through to the
5636 split edge's source block, split the entry edge.
5637 (clear_log_links): New function.
5638 * toplev.c (ssa_dump): New variable.
5639 (flag_ssa): Likewise.
5640 (f_options): Add "ssa".
5641 (compile_file): Create SSA dump files.
5642 (rest_of_compilation): Go to and from SSA if enabled.
5643 (decide_d_option): Handle -de for SSA dump files.
5646 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
5648 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
5651 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
5653 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
5655 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
5657 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
5658 (MD_STARTFILE_PREFIX_1): New macro.
5660 2000-03-09 Robert Lipe <robertl@sco.com>
5662 * config/ia64/ia64.c: Include system.h.
5664 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5666 * except.c (nothrow_function_p): If -fno-exceptions, just return.
5667 (init_eh_nesting_info): Likewise.
5669 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
5670 (TREE_NOTHROW): Rename from TREE_RAISES.
5671 * toplev.c (rest_of_compilation): Set it.
5672 * print-tree.c (print_node): Adjust.
5673 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
5674 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
5675 * calls.c (emit_call_1): Add 'nothrow' parm. Add
5676 REG_EH_REGION note as appropriate.
5677 (libfunc_nothrow): New fn.
5678 (emit_library_call, emit_library_call_value): Use it.
5679 (expand_call): Check TREE_NOTHROW.
5681 * varasm.c (make_decl_rtl): Skip initial '*' when setting
5682 DECL_ASSEMBLER_NAME.
5684 2000-03-09 Andreas Jaeger <aj@suse.de>
5686 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
5687 (TARGET_MEM_FUNCTIONS): Define.
5689 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5691 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
5693 * except.c (can_throw): See through a SEQUENCE.
5694 (nothrow_function_p): New fn.
5695 * except.h: Declare it.
5696 * function.c (current_function_nothrow): New var.
5697 (prepare_function_start): Initialize it.
5698 * output.h: Declare it.
5699 * toplev.c (rest_of_compilation): Set it.
5700 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
5702 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
5704 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
5705 match. (cpp_compare_defs): Count the nul separator when
5706 advancing over argument names.
5708 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
5710 * recog.c (preprocess_constraints): Matching constraints affect
5711 same alternative/different operand, not same operand/different
5714 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
5715 register and a constant specially.
5717 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5719 * libgcc2.h: New file.
5720 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
5722 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
5724 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
5725 * configure: Regenerate.
5728 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
5730 * Makefile.in (LIBCPP_DEPS): New macro.
5731 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
5733 * cpperror.c: Include cpphash.h.
5734 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
5736 (lex): Don't use CPP_WARN_UNDEF.
5737 (_cpp_parse_expr): Return an int, the truth value.
5738 * cppfiles.c: Include cpphash.h.
5739 (_cpp_merge_include_chains): Move to cppinit.c and make static.
5740 * cppinit.c (include_defaults_array): Disentangle.
5741 (cpp_cleanup): Don't free the if stack here.
5742 (cpp_finish): Pop off all buffers, not just one.
5743 * cpplib.c (eval_if_expr): Return int.
5744 (do_xifdef): Rename do_ifdef.
5745 (handle_directive): Don't use CPP_PREPROCESSED.
5746 (cpp_get_token): Don't use CPP_C89.
5747 * fix-header.c: Don't use CPP_OPTIONS.
5749 * cpplib.h: Move U_CHAR, enum node_type, struct
5750 file_name_list, struct ihash, is_idchar, is_idstart,
5751 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
5752 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
5753 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
5754 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
5755 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
5756 of _cpp_simplify_pathname, _cpp_find_include_file,
5757 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
5758 Move struct if_stack to cpplib.c. Move struct cpp_pending to
5760 Change all uses of U_CHAR to be unsigned char instead.
5761 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
5763 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
5765 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
5766 (dwarf2out_begin_prologue): Set it.
5767 (output_call_frame_info): Don't emit EH unwind info for leaves.
5769 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
5770 can occur outside of an EH region.
5771 * except.c: Correct comments about rethrow behavior.
5772 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
5774 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
5776 * flow.c (make_edges): Always call make_eh_edge for calls.
5778 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
5780 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
5781 (struct cpp_buffer): Remove fname and underflow fields.
5782 (struct cpp_reader): Remove get_token field.
5783 (struct include_hash): Rename to struct ihash. Add typedef to
5785 (struct if_stack): Remove fname field.
5786 (IF_STACK_FRAME): Rename to IF_STACK.
5788 * cpperror.c (print_containing_files): Trust that there are no
5789 macro buffers below the top file buffer.
5790 * cppfiles.c: Replace all references to 'struct include_hash'
5791 with 'IHASH'. Rename initialize_input_buffer to
5792 init_input_buffer. Don't set or reference cpp_buffer->fname,
5793 use buffer->ihash->name instead.
5794 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
5795 not CPP_NULL_BUFFER.
5796 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
5797 IF_STACK_FRAME, IHASH not struct include_hash.
5798 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
5799 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
5800 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
5801 references to cpp_buffer->fname (delete entirely, or use
5802 ->ihash->name instead) and IF_STACK->fname.
5803 (cpp_push_buffer): Don't set new->underflow.
5804 (do_include): Use cpp_file_buffer.
5806 * cpphash.c (collect_formal_parameters): Remove duplicate
5807 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
5808 used as a macro argument name. Don't append "..." to namebuf
5809 for varargs macros. After we're done scanning, go through
5810 namebuf and make it NUL separated, not comma separated.
5811 (_cpp_compare_defs): Remove register tag from variables.
5812 Expect defn->argnames to be NUL separated.
5813 (_cpp_dump_definition): Expect defn->argnames to be NUL
5814 separated and in forward order.
5815 * cpphash.h: Update documentation of argnames field.
5817 2000-03-08 Richard Henderson <rth@cygnus.com>
5819 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
5820 to fail. Don't pre-expand the source operand.
5822 * i386.md (strlensi): Initialize eoschar and align before use.
5824 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
5826 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
5827 CONSTRUCTOR element.
5829 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
5831 * mips.c (mips_expand_prologue): If the last
5832 named argument is the vararg marker "va_list", treat it as
5833 an unnamed argument.
5835 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
5837 * dbxout.c (dbxout_parms): When correcting for promoted
5838 big-endian parameters, use the mode of the DECL_RTL rather
5839 than UNITS_PER_WORD.
5841 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
5843 * c-common.h (make_fname_decl): Declare.
5844 * c-common.c (make_fname_decl): Define.
5845 (declare_hidden_char_array): Remove.
5846 (declare_function_name): Use make_fname_decl.
5847 * c-decl.c (c_make_fname_decl): New function.
5848 (init_decl_processing): Set make_fname_decl.
5850 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
5852 * cccp.c (handle_directive): Initialize backslash_newlines_p.
5854 2000-03-07 Philipp Thomas <pthomas@suse.de>
5856 * po/POTFILES.in: Remove cppalloc.c from file list.
5858 2000-03-07 Steve Chamberlain <sac@pobox.com>
5860 * pj.c (pj_expand_prologue): current_function->args_info is
5861 now current_function_args_info.
5863 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
5864 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
5865 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
5867 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5869 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
5870 output as hexadecimal rather than the default octal.
5872 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
5874 * cpphash.c (special_symbol): Fix thinko in previous commit.
5876 2000-03-07 Neil Booth <NeilB@earthling.net>
5878 * cppexp.c (struct operation, left_shift, right_shift,
5879 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
5880 "int"s to "unsigned int"s.
5881 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
5883 * cpplib.h: Update for above.
5884 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
5885 returned from allocations.
5887 * cppinit.c (opt_comp, parse_options): New functions.
5888 (handle_option): Use parse_option to parse a single command
5889 line option, that possibly takes an argument.
5890 (cpp_handle_options): Sort the array of command line options on
5891 first invocation (non-ASCII hosts only).
5892 (print_help): Update.
5894 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
5896 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
5897 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
5899 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
5901 * cppinit.c (cpp_cleanup): Free imp->nshort also.
5903 * cpperror.c (cpp_print_containing_files,
5904 cpp_print_file_and_line, v_cpp_message): Rename to
5905 print_containing_files, print_file_and_line, and v_message.
5906 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
5907 to _cpp_parse_expr, parse_escape, and lex.
5908 (parse_charconst): Remove broken multibyte support.
5909 * cppfiles.c (include_hash): Make static.
5910 (cpp_included): New function.
5911 (merge_include_chains, find_include_file, finclude,
5912 simplify_pathname): Rename to _cpp_merge_include_chains,
5913 _cpp_find_include_file, _cpp_read_include_file, and
5914 _cpp_simplify_pathname.
5915 * cpphash.c (cpp_lookup, free_definition, delete_macro,
5916 cpp_install, create_definition, macroexpand, compare_defs,
5917 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
5918 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
5919 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
5920 * cppinit.c (cpp_handle_option): Rename to handle_option, make
5922 * cpplib.c: Remove extern prototype of cpp_parse_expr.
5924 * cpphash.h: Update prototypes.
5925 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
5927 2000-03-07 Andrew Haley <aph@cygnus.com>
5929 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
5930 PTRDIFF_TYPE should be based solely on Pmode.
5933 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5935 * rtl.h (rtunion_def): Constify member `rtstr'.
5936 (emit_line_note_after, emit_line_note, emit_line_note_force,
5937 emit_note, decode_asm_operands): Constify.
5939 * cse.c (canon_hash): Likewise.
5941 * dbxout.c (dbxout_block): Likewise.
5943 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
5944 v_warning_for_asm): Likewise.
5946 * dwarfout.c (function_start_label): Likewise.
5948 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
5949 emit_line_note_force): Likewise.
5951 * final.c (last_filename, asm_insn_count, final_scan_insn,
5952 output_source_line): Likewise.
5954 * function.h (struct emit_status): Likewise.
5956 * gcse.c (hash_expr_1): Likewise.
5958 * genattr.c (gen_attr, main): Likewise.
5960 * genattrtab.c (struct function_unit, current_alternative_string,
5961 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
5962 attr_numeral, check_attr_test, check_attr_value,
5963 convert_set_attr_alternative, convert_set_attr,
5964 compute_alternative_mask, simplify_by_exploding, gen_attr,
5965 gen_unit): Likewise.
5967 * genflags.c (gen_insn): Likewise.
5969 * gengenrtl.c (type_from_format): Likewise.
5971 * genopinit.c (gen_insn): Likewise.
5973 * genoutput.c (n_occurrences, process_template, process_template):
5976 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
5979 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
5982 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
5983 ggc_set_mark, ggc_get_size): Likewise.
5985 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
5987 * optabs.c (init_one_libfunc): Likewise.
5989 * output.h (assemble_start_function): Likewise.
5991 * recog.c (decode_asm_operands): Likewise.
5993 * toplev.c (rest_of_compilation): Likewise.
5995 * tree.h (emit_line_note_after, emit_line_note,
5996 emit_line_note_force): Likewise.
5998 * varasm.c (asm_output_bss, asm_output_aligned_bss,
5999 asm_emit_uninitialised, assemble_start_function,
6000 assemble_variable, const_hash, compare_constant_1,
6001 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6003 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6005 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6007 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6009 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6011 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6012 arm_dllimport_name_p): Likewise.
6014 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6017 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6019 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6021 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6022 arm_mark_dllexport, arm_mark_dllimport,
6023 arm_pe_encode_section_info): Likewise.
6025 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6026 ASM_FINISH_DECLARE_OBJECT): Likewise.
6028 * arm/thumb.c (thumb_function_prologue): Likewise.
6030 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6032 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6034 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6036 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6038 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6040 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6042 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6043 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6045 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6047 * i386/i386.c (asm_output_function_prefix): Likewise.
6049 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6051 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6053 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6055 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6056 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6057 ASM_OUTPUT_SECTION_NAME): Likewise.
6059 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6061 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6063 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6065 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6067 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6069 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6071 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6073 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6075 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6077 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6079 * mips/mips.md (movdi, movsi): Likewise.
6081 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6083 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6085 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6087 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6088 ASM_OUTPUT_ASCII): Likewise.
6090 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6091 output_mi_thunk, output_toc): Likewise.
6093 * rs6000/rs6000.md (movsi): Likewise.
6095 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6097 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6099 * v850/v850.c (print_operand, print_operand_address,
6100 v850_encode_data_area): Likewise.
6102 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6104 * config/mips/mips.md (zero_extendsidi2): Always force operand
6105 one to memory for mips16.
6107 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6109 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6110 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6111 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6112 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6113 (min_precision): Result is unsigned.
6114 (add_double, neg_double, mul_double): Low word is unsigned.
6115 (lshift_double, rshift_double, lrotate_double): Likewise.
6116 (rrotate_double, div_and_round_double): Likewise.
6117 (tree_floor_log2, compare_tree_int): New functions.
6118 (preserve_rtl_expr_temps): New declaration.
6119 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6120 (decl_attributes): Use tree_log2 to find alignment.
6121 Check for TREE_INT_CST_HIGH for format args.
6122 (min_precision): Now unsigned.
6123 Use tree_floor_log2.
6124 (truthvalue_conversion): Delete long-disabled code.
6125 * c-decl.c (finish_struct): Clean up tests on field width.
6126 (finish_function): Use compare_tree_int.
6127 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6128 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6129 (default_conversion, digest_init): Use compare_tree_int.
6130 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6131 Fix type errors in forming masks.
6132 * calls.c (initialize_argument_information): Use compare_tree_int.
6133 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6134 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6135 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6136 (store_field): Use compare_tree_int.
6137 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6138 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6139 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6140 (do_store_flag): Use compare_tree_int.
6141 * fold-const.c (encode, decode): Low part is always unsigned.
6142 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6143 (lshift_double, rshift_double, lrotate_double): Likewise.
6144 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6145 (fold_convert): Use compare_tree_int.
6146 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6147 (invert_truthvalue, case INTEGER_CST): Likewise.
6148 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6149 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6150 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6151 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6153 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6154 (expand_end_case): Use compare_tree_int.
6155 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6156 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6157 (layout_decl): Likewise.
6158 (layout_record, layout_union): Make sizes unsigned.
6159 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6160 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6161 * tree.c (struct type_hash): hashcode is unsigned.
6162 (build_type_attribute_variant, type_hash_list): Likewise.
6163 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6164 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6165 (build_complex_type): Likewise.
6166 (real_value_from_int_cst): Remove unneeded casts.
6167 (integer_all_onesp): Add casts.
6168 (tree_floor_log2, compare_tree_int): New functions.
6169 (build_index_type): Use tree_int_cst_sgn.
6170 * varasm.c (assemble_variable): Use compare_tree_int.
6172 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6174 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6176 * varasm.c (make_decl_rtl): Don't add a number to members of
6178 (make_function_rtl): Likewise.
6180 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6182 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6183 patch from 2000-01-28.
6185 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6187 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6188 filled with an insn from the jump target.
6190 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6192 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6193 (c4x_external_ref): Likewise.
6194 * config/c4x/c4x.c (struct name_list): Likewise.
6196 1999-12-16 Ben Collins <bcollins@debian.org>
6198 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6199 argument to genmultilib.
6200 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6201 the contents into the multilib.h header.
6202 * gcc.c: Declare multilib_exclusions for the specs file.
6203 (set_multilib_dir): Use it.
6204 (print_multilib_info): Likewise.
6205 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6206 to pass to genmultilib.
6208 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6210 * builtins.c (built_in_class_names, built_in_names): Constify a
6213 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6215 (_mcleanup): Ensure value matches format specifier in sprintf.
6217 * cpphash.c (special_symbol): Don't needlessly cast away
6220 * cppinit.c (base_name): Delete unused prototype.
6222 * mkdeps.c (deps_init): Make definition K&R safe.
6224 * tree.h (built_in_class_names, built_in_names): Constify a
6227 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6229 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6230 floating point instructions for epilogue delay.
6232 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6233 to gas if it supports .register pseudo.
6235 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6236 LONG_DOUBLE_TYPE_SIZE if not defined.
6237 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6238 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6240 * gengenrtl.c: Likewise.
6241 * print-rtl.c: Likewise.
6243 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6244 MASK_LONG_DOUBLE_128.
6245 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6246 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6247 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6248 (SUBTARGET_SWITCHES): Define.
6249 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6250 with -mlong-double-128.
6251 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6252 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6253 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6254 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6255 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6256 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6257 with -mlong-double-128.
6258 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6259 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6260 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6261 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6262 TARGET_LONG_DOUBLE_128): Define.
6263 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6264 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6265 long double on TARGET_ARCH64.
6267 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6269 * function.c (free_temps_for_rtl_expr): Don't free slots
6270 that have been pushed into a higher level.
6273 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6275 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6277 * basic-block.h (ALLOCA_REG_SET): Remove.
6278 (INITIALIZE_REG_SET): New macro.
6279 * flow.c (update_life_info): Use it.
6280 (calculate_global_regs_live): Likewise.
6281 (propagate_block): Likewise.
6282 * global.c (build_insn_chain): Likewise.
6283 * haifa-sched.c (schedule_region): Likewise.
6285 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6287 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6288 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6289 (DWARF_ARANGES_PAD_SIZE): New define.
6290 (output_aranges): Use it to pad the address range header.
6291 (DWARF_ROUND): Fix for non power of 2 rounding.
6293 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6295 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6297 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6299 * tree.def (RTL_EXPR): Update documentation.
6300 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6301 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6302 * function.c (preserve_rtl_expr_temp): New function.
6303 (preserve_rtl_expr_temps): Likewise.
6304 (preserve_rtl_expr_result): Use it.
6307 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6309 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6311 * regmove.c (copy_src_to_dest) Do not create src->dest move
6312 for unchanging destination.
6314 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6316 * function.h (struct sequence_stack): Remove rtl_expr.
6317 (struct emit_staus): Likewise.
6318 (seq_rtl_expr): Remove.
6319 * tree.h (free_temps_for_rtl_expr): Don't declare.
6320 (start_sequence_for_rtl_expr): Likewise.
6321 * rtl.h (preserve_rtl_expr_result): Likewise.
6322 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6323 (start_sequence_for_rtl_expr): Remove.
6324 (push_topmost_sequence): Don't save sequence_rtl_expr.
6325 (pop_topmost_sequence): Remove comment about not restoring it.
6326 (end_sequence): Don't set seq_rtl_expr.
6327 (init_emit): Don't initialize it.
6328 (mark_sequence_stack): Don't mark it.
6329 (mark_emit_status): Likewise.
6330 * except.c (protect_with_terminate): Use
6331 start_sequence_for_rtl_expr, not start_sequence.
6332 * expr.c (expand_expr, case RTL_EXPR): Don't call
6333 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6334 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6335 (preserve_rtl_expr_result): Remove.
6336 (free_temps_for_rtl_expr): Likewise.
6337 (pop_temp_slots): Likewise.
6338 (mark_temp_slot): Don't mark the rtl_expr.
6339 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6340 start_sequence_for_rtl_expr.
6342 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6344 * mkdeps.c, mkdeps.h: New files.
6345 * po/POTFILES.in: Add them.
6346 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6347 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6348 (mkdeps.o): New target.
6350 * cppfiles.c: Delete deps_output.
6351 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6352 OBJECT_SUFFIX, and base_name.
6353 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6355 (initialize_dependency_output): Use deps_init,
6356 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6357 all the unnecessary string bashing.
6358 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6360 * cpplib.c (do_include): Use deps_add_dep.
6361 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6362 deps_allocated_size, deps_size, deps_column members with
6363 single pointer to a struct deps. Delete prototype of
6366 * cppinit.c: Fix thinko in previous patch.
6368 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6370 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6371 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6372 (mode_for_size_tree): New function.
6373 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6374 * tree.h (mode_for_size_tree): New declaration.
6376 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6378 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6380 * stmt.c (is_body_block): Move...
6381 * dwarfout.c, dwarf2out.c: ...from here.
6382 * tree.h: Declare it.
6383 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6384 * final.c (final_start_function): Do call remove_unnecessary_notes
6387 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6389 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6391 * cpplib.h (_dollar_ok): New macro.
6392 (is_idchar, is_idstart): Use it.
6393 (IStable): Rename to _cpp_IStable. Declare it const if
6394 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6395 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6396 is_space): Update for renamed IStable.
6398 * cppinit.c: Delete all references to FAKE_CONST and CAT
6399 macros. Define init_IStable as empty macro if gcc >=2.7 or
6400 C99. Change TABLE() to ISTABLE and hardcode name of table.
6401 (cpp_start_read): Don't change the IStable based on
6404 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6405 changed. Handle '$' for char1 correctly.
6406 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
6408 * cppexp.c (tokentab2): Make const.
6409 (cpp_lex): Make toktab const.
6410 * cppinit.c (include_defaults_array): Make const.
6411 (initialize_standard_includes): Make default_include const.
6413 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6415 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
6416 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
6417 (gen_decl_die): Likewise.
6418 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
6419 (output_decl): Likewise.
6421 * varasm.c (make_function_rtl): If we change the name used in the
6422 rtl, update DECL_ASSEMBLER_NAME accordingly.
6423 (make_decl_rtl): Likewise.
6425 * toplev.c (rest_of_compilation): Tweak formatting.
6427 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
6428 remove_unnecessary_notes.
6429 (debug_ignore_block): New fn.
6430 * toplev.h: Declare it.
6431 * emit-rtl.c (remove_unncessary_notes): Call it.
6432 * dwarf2out.c (dwarf2out_ignore_block): New fn.
6433 * dwarf2out.h: Declare it.
6434 * final.c (final_start_function): Don't call remove_unnecessary_notes
6435 if we did insn scheduling.
6437 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6439 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
6440 * cpplib.h: Delete SET_CPP_PEDANTIC.
6442 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6444 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
6445 result is a RECORD_TYPE.
6447 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
6449 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
6451 2000-03-03 Richard Henderson <rth@cygnus.com>
6453 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
6454 addition over compliments over shifts.
6456 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6458 * reload1.c (reload_combine_note_use): Handle return register USEs.
6459 REG case: Handle multi-hard-register hard regs.
6461 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6463 * md.texi: Document use of '*' in insn pattern name.
6465 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6467 * calls.c (special_function_p): operator new may not be malloc-like.
6469 * gcse.c (dump_hash_table): Really fix error in last change.
6471 2000-03-02 Denis Chertykov <denisc@overta.ru>
6473 * avr.c (print_operand): Use print_operand_address instead of
6475 * avr/libgcc.S: Cleanup code.
6477 2000-03-02 Richard Henderson <rth@cygnus.com>
6479 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
6481 2000-03-02 Mark Mitchell <mark@codesourcery.com>
6483 * tree.h (TYPE_ALIGN_UNIT): New macro.
6485 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
6487 * i386.c: (constant_call_address_operand): Reject CONST_INT.
6489 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
6491 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
6493 (SET_CPP_PEDANTIC): New macro.
6494 * cpplib.c (do_include): Don't bother checking system_header_p.
6495 (do_warning, do_ident, do_assert, do_unassert): Likewise.
6496 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
6498 * function.h (struct expr_status): Add x_arg_space_so_far.
6499 (arg_space_so_far): New macro.
6500 * expr.c (init_expr): Initialize it.
6501 * calls.c (emit_call_1): Reset it.
6502 (compute_argument_block_size, expand_call): Use it.
6503 (expand_call, store_one_arg): Increment it.
6505 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6507 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
6510 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
6512 * cppfiles.c (cpp_read_file): New function.
6514 * cpphash.c (collect_expansion): Make sure to reset last_token
6515 to NORM when we hit a string. Handle trailing whitespace
6516 properly when the expansion is empty.
6517 (create_definition): Disable line commands while parsing the
6519 (dump_definition): If pfile->lineno == 0, output a line
6520 command ahead of the dump, and add a trailing newline.
6522 * cppinit.c (append_include_chain): Add fifth argument, which
6523 indicates whether or not system headers are C++ aware.
6524 (initialize_standard_includes): New function,
6525 broken out of read_and_prescan. Pass 'cxx_aware' value from
6526 the include_defaults_array on to append_include_chain.
6527 (dump_special_to_buffer): Const-ify char array.
6528 (builtin_array): Don't dump __BASE_FILE__.
6529 (cpp_start_read): Use cpp_read_file. Reorder code for
6530 clarity. Don't output line commands here for -D/-A/-U
6531 switches. Don't call deps_output for files included with
6532 -include or -imacros.
6534 * cpplib.c (do_define): Don't pay any attention to the second
6536 (cpp_expand_to_buffer): Disable line commands while scanning.
6537 (output_line_command): Work in the file buffer.
6538 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
6539 Fix formatting of comments. Prototype cpp_read_file.
6541 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6543 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
6544 reference the language-equivalent of sizetype.
6545 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
6546 * fold-const.c (size_binop, size_diffop): Put back checks.
6547 * gcse.c (dump_hash_table): Fix minor error in last change.
6548 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
6549 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
6552 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
6554 * calls.c (expand_call) Do not attempt to combine stack adjustments
6555 with inhibit_defer_pop set.
6557 2000-03-01 Mark Mitchell <mark@codesourcery.com>
6559 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
6560 the DECL_SIZE for a FIELD_DECL.
6562 2000-03-01 Bruce Korb <bkorb@gnu.org>
6564 * fixinc/inclhack.tpl: remove unused symlinks
6565 * fixinc/README: GCC Maintainer info
6566 * fixinc/inclhack.sh: regen
6567 * fixinc/fixincl.sh: regen
6569 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
6571 * cpphash.c (collect_expansion): Trim trailing white space
6572 from macro definitions, but don't go past the last insertion
6575 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
6577 * i386.md (mulqi3): New pattern.
6579 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
6581 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
6583 (struct cpp_reader): Add parsing_if_directive and
6584 parsing_define_directive flags.
6585 (struct cpp_options): Remove output_conditionals flag.
6586 (check_macro_name): Delete prototype.
6588 * cpphash.h (struct macrodef): Delete.
6589 (struct reflist): Separate from struct definition.
6590 (struct definition): Remove unused fields. Add column number.
6591 (create_definition): Returns a DEFINITION *. Takes a
6592 cpp_reader * and an int.
6594 * cpphash.c (SKIP_WHITE_SPACE): Delete.
6595 (PEEKC): Copy defn from cpplib.c.
6596 (rest_extension, REST_EXTENSION_LENGTH): Delete.
6598 (struct arglist): Simplify.
6599 (collect_expansion): Rewrite. Get tokens by calling
6600 cpp_get_token. Add more error checking.
6601 (collect_formal_parameters): New function, broken out of
6602 create_definition and reworked to use get_directive_token.
6603 (create_definition): All real work is now in collect_expansion
6604 and collect_formal_parameters. do_define handles finding the
6605 macro name. Return a DEFINITION, not a MACRODEF.
6606 (macroexpand): Replace bcopy with memcpy throughout. Replace
6607 character-at-a-time copy loop with memcpy and pointer increments.
6608 (compare-defs): d1->argnames / d2->argnames might be null.
6610 * cpplib.c (copy_rest_of_line): Delete function.
6611 (skip_rest_of_line): Do all the work ourselves.
6612 (skip_string): New function.
6613 (parse_string): Use skip_string.
6614 (get_macro_name): New function.
6615 (check_macro_name): Delete.
6616 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
6617 (cpp_skip_hspace): Use CPP_BUMP_LINE.
6618 (handle_directive): ICE if we're called on a macro buffer.
6619 (do_define): Determine macro name and type (funlike/objlike)
6620 here. Expunge all uses of MACRODEF.
6621 (cpp_push_buffer): Set line_base to NULL.
6622 (do_undef, read_line_number): Don't worry about getting a POP token.
6623 (eval_if_expression): Set/reset parsing_if_directive around
6624 cpp_parse_expr. Don't clear only_seen_white.
6625 (skip_if_group): Remove output_conditionals logic. Use
6627 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
6628 tokens under appropriate conditions.
6629 (cpp_unassert): Call do_unassert not do_assert. Oops.
6631 * cppexp.c (parse_defined): New function, break out of
6633 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
6634 ourselves, with cpp_defined.
6635 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
6637 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
6638 * gcc.dg/strpaste-2.c: New.
6640 2000-02-29 Mark Mitchell <mark@codesourcery.com>
6642 * fold-const.c (size_binop): Don't asert inputs are the same and
6643 have TYPE_IS_SIZETYPE set.
6644 (size_diffop): Likewise.
6646 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
6648 * dwarfout.c (output_block): Output abstract blocks even if they
6649 don't have TREE_ASM_WRITTEN set.
6651 * calls.c (emit_library_call): Check for null REG.
6653 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
6655 * c-decl.c (current_function_decl): Move to toplev.c.
6656 (init_decl_processing): Don't add current_function_decl as a ggc
6658 * dbxout.c (dbxout_symbol): Change return type to int.
6659 (dbxout_symbol_location, dbxout_syms): Likewise.
6660 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
6661 any locals. Use current_function_func_begin_label if set.
6662 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
6663 * dwarf2out.c (dwarf2out_begin_prologue): Set
6664 current_function_func_begin_label.
6665 * final.c (final_start_function): Reset it.
6666 * toplev.c (current_function_decl): Define it here.
6667 (current_function_func_begin_label): New variable.
6668 (main): Add both as ggc roots.
6669 * tree.h (current_function_func_begin_label): Declare.
6671 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6673 * gcse.c: Cleanups throughout: mostly white-space, but also
6674 some minor rearrangement of code.
6676 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
6678 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
6679 returns a PARALLEL. Use emit_group_load and use_group_regs
6681 (emit_library_call_value): Similarly.
6683 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
6684 * pa/quadlib.asm: Remove.
6685 * pa/quadlib.c: New file.
6687 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
6688 * configure: Rebuilt.
6690 2000-02-29 Philip Blundell <pb@futuretv.com>
6692 * config/arm/conix-elf.h: New file.
6693 * configure.in (arm*-*-conix*): New configuration.
6694 * configure: Regenerate.
6696 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
6698 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
6699 don't have TREE_ASM_WRITTEN set.
6701 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6703 * Eliminate DECL_FIELD_SIZE.
6704 * builtins.c (built_in_class_names, built_in_names): New variables.
6705 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
6706 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
6707 DECL_SIZE, not DECL_FIELD_SIZE.
6708 * print-tree.c (print_node): Remove code that prints extra blank
6709 lines in some cases.
6710 Properly handle inline and builtin function cases.
6711 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
6712 * tree.h (built_in_class_named, built_in_names): New declarations.
6713 (union tree_decl): Rename internal unions to u1 and u2 and change
6714 some of their components.
6715 Add new field built_in_class.
6716 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
6717 Reflect above changes.
6718 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
6719 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
6720 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
6721 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
6723 2000-02-28 Dmitri Makarov <dim@windriver.com>
6725 * extend.texi: Document ARM's support for long/short calls.
6727 * invoke.texi: Document ARM's -mlong-calls command line switch.
6729 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
6730 (arm_encode_call_attribute): Add prototype.
6731 (arm_set_default_type_attribute): Add prototype.
6732 (arm_strip_name_encoding): Add prototype.
6734 * config/arm/arm.c (arm_init_cumulative_args): replace
6735 initialisation og 'long_calls' field with initialisation of
6736 'call_cookie' field.
6737 (enum arm_pragma_enum): New enum.
6738 (arm_pragma_long_calls): New static variable.
6739 (arm_process_pragma): Also process "#pragma long_calls_off".
6740 (arm_valid_type_attribute_p): Accept short_call attribute.
6741 (arm_comp_type_attributes): Check long/short call attributes.
6742 (arm_encode_call_attribute): New function: Encode long_call
6743 or short_call attribute in function name.
6744 (arm_set_default_type_attributes): New function: Assign
6745 default attributes to newly defined type.
6746 (current_file_function_operand): New function: Return true if
6747 the symbol is a function which has already been compiled.
6748 (arm_is_longcall_p): New function: Return true if the
6749 indicated function should be called via a long call.
6750 (arm_get_strip_length): New function. Returns number of
6751 prefix characters to be stripped from a function's name.
6752 (arm_strip_name_encoding): New function. Strip prefix characters
6753 from a function's name.
6755 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
6757 (SHORT_CALL_FAG_CHAR): Define.
6758 (LONG_CALL_FAG_CHAR): Define.
6759 (ENCODED_SHORT_CALL_ATTR_P): Define.
6760 (ENCODED_LONG_CALL_ATTR_P): Define.
6761 (ARM_NAME_ENCODING_LENGTHS): Define.
6762 (STRIP_NAME_ENCODING): Define.
6763 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
6764 (ARM_ENCODE_CALL_TYPE): Define.
6765 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
6766 (ARM_DECLARE_FUNCTION_SIZE): Define.
6767 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
6769 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
6770 if a long call is needed.
6771 (call_value): Ditto.
6772 (call_symbol): Ditto.
6774 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
6775 ARM_DECLARE_FUNCTION_SIZE.
6777 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
6778 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
6779 (ARM_STRIP_NAME_ENCODING): Undefine.
6780 (STRIP_NAME_ENCODING): Undefine.
6781 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
6782 (ASM_DECLARE_FUNCTION_NAME): Ditto.
6783 (ASM_OUTPUT_COMMON): Ditto.
6784 (ASM_DECLARE_OBJECT_NAME): Ditto.
6786 * config/arm/pe.c (arm_dllexport_name_p): Check for
6788 (arm_dllimport_name_p): Ditto.
6789 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
6790 (arm_mark_dllimport): Ditto.
6792 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6794 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
6796 2000-02-28 Mark Mitchell <mark@codesourcery.com>
6798 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
6800 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
6802 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
6803 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
6804 NO_BUILTIN_WCHAR_TYPE is not defined.
6805 (CPP_WCHAR_TYPE): Delete.
6806 * cccp.c (main): Don't change wchar_type if cplusplus.
6807 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
6809 2000-02-28 Nick Clifton <nickc@cygnus.com>
6811 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
6813 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
6815 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
6816 (ASM_WEAKEN_LABEL): Define.
6818 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
6820 * expr.c (store_constructor): Do not emit USE.
6821 * rtl.h (stupid_life_analysis): Remove.
6823 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6825 * function.c (number_blocks): Reset next_block_index based on
6826 what debugging format is used, not what is defined.
6828 * lcm.c: Minor reformatting throughout.
6829 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
6831 * toplev.c (rest_of_compilation): Account for time in
6832 optimize_mode_switching.
6834 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
6835 if only marking labels.
6837 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
6839 * calls.c (expand_call): Attempt to combine stack adjustments with
6840 pending stack adjustments.
6842 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6844 * loop.c (reg_in_basic_block_p): Don't abort when falling through
6845 to the end of the function.
6847 2000-02-27 Mark Mitchell <mark@codesourcery.com>
6849 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
6851 * final.c (next_block_index): Remove.
6852 (max_block_depth): Likewise.
6853 (pending_blocks): Likewise.
6854 (init_final): Don't initialize them.
6855 (final_start_function): Don't set next_block_index. Set up
6857 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
6858 * function.h (number_blocks): New function.
6859 * function.c (get_block_vector): New function.
6860 (identify_blocks): Use it.
6861 (reorder_blocks): Set NOTE_BLOCK.
6862 (number_blocks): New function.
6863 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
6864 * tree.h (BLOCK_NUMBER): New macro.
6865 (tree_block): Add block_num field.
6866 * dbxout.c (next_block_number): Remove.
6867 (dbxout_init): Don't set it.
6868 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
6869 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
6871 * toplev.c (rest_of_compilation): Always call
6872 find_loop_tree_blocks. Fix indentation.
6873 * dwarf2out.c (next_block_number): Remove.
6874 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
6875 to determine block numbers.
6876 (gen_inlined_subroutine_die): Likewise.
6877 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
6878 (decls_for_scope): Don't increment next_block_number.
6879 * dwarfout.c (next_block_number): Remove.
6880 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
6881 to determine block numbers.
6882 (output_inlined_subroutine_die): Likewise.
6883 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
6884 (output_decls_for_scope): Don't increment next_block_number.
6885 * sdbout.c (next_block_number): Remove.
6886 (sdbout_block): Use BLOCK_NUMBER.
6887 (sdbout_begin_block): Simplify.
6888 * xcoffout.c (next_block_number): Remove.
6889 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
6890 (xcoffout_begin_block): Don't set next_block_number.
6891 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
6894 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6896 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
6897 (expand_builtin_strcpy): Pass correct type to size_binop.
6898 (expand_builtin_strcmp): Likewise.
6899 Clean up conditional structure.
6900 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
6901 (complete_array_type): Don't use size_binop for MAXINDEX.
6902 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
6903 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
6904 (c_alignof): Use size_one_node.
6905 (build_unary_op): Pass arg of proper type to size_binop.
6906 (really_start_incremental_init, push_init_level): Use sizetype for
6907 constructor{,_bit,_unfilled}_index.
6908 (pop_init_label, output_init_element): Likewise.
6909 (output_pending_init_elements, process_init_element): Likewise.
6910 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
6911 * expr.c (store_expr): Use size_int.
6912 (store_constructor): Use proper types for size_binop args.
6913 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
6914 (expand_expr_unaligned): Likewise.
6915 (string_contant): Return object of sizetype.
6916 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
6917 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
6918 (ARGS_SIZE_TREE): Pass proper types to size_binop.
6919 * fold-const.c (int_const_binop): Refine when size_int is called.
6920 (fold_convert): Likewise.
6921 (size_int_wide): Rework to take KIND as arg, only take low order
6922 bits, handle new sizetype_tab datatype, and chain entries in
6924 (size_int_type_wide): New function.
6925 (size_binop): Validate types of arguments.
6926 (ssize_binop): Deleted.
6927 (size_diffop): New function.
6928 (extract_muldiv): Only fold division into multiplication for sizetypes.
6929 * function.c (assign_parms): Use size_diffop and make sure
6930 VAR field is of ssizetype; also pass proper type to size_binop.
6931 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
6932 (round_down): Deleted from here.
6933 * store-layout.c (sizetype_tab): Now an array.
6934 (sizetype_set, early_root_list): New variables.
6935 (variable_size): Use size_one_node.
6936 (round_up): Pass proper type to size_binop.
6937 (round_down): Moved to here and corrected as above.
6938 (layout_record): Pass proper arg types to size_binop.
6939 (layout_type): Likewise.
6940 If sizetype_set is zero, record the type just laid out.
6941 (make_unsigned_type): Don't call set_sizetype;
6942 (make_signed_type): Likewise; also, call fixup_signed_type.
6943 (initialize_sizetypes): New function.
6944 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
6945 set name of bitsizetype to "bit_size_type".
6946 Fix up type of sizes of all types made before call.
6947 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
6948 * tree.c (fix_sizetype): Deleted.
6949 (build_common_tree_nodes): Call initialize_sizetypes.
6950 (build_common_tree_nodes_2): Don't call fix_sizetype.
6951 * tree.h (TYPE_IS_SIZETYPE): New macro.
6952 (initialize_sizetype): New declaration.
6953 (enum size_type_kind): New type.
6954 (struct sizetype_tab): Deleted.
6955 (sizetype_tab): Now array; adjust sizetype macros.
6956 (size_diffop, size_int_type_wide): New functions.
6957 (size_int_wide): Change number of args and type; access macros changed.
6958 (ssize_int, sbitsize_int): New macros.
6959 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
6960 (ROUND_TYPE_SIZE_UNIT): New macro.
6962 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
6964 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
6966 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6968 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
6969 Mark as possibly unused.
6971 * cse.c (cse_insn): Delete dead code involving tablejump.
6972 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
6974 * Makefile.in (libcpp.a): Start by deleting it.
6976 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6978 * cpplib.h (enum file_change_code): Added rename_file.
6979 * cpplib.c (do_line): If a filename is given, set file_change to
6981 (output_line_command): If file_change is rename_file, always
6982 output a # directive with the file name.
6984 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
6986 2000-02-26 Mark Mitchell <mark@codesourcery.com>
6988 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
6989 when copying a PARM_DECL or RESULT_DECL.
6991 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6993 * fix-header.c (recognized_function): Also fix prototypes for
6994 functions taking "void".
6996 2000-02-26 Geoff Keating <geoffk@cygnus.com>
6998 * reload1.c (do_output_reload): Check reg_reloaded_valid before
6999 looking at reg_reloaded_contents.
7001 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7003 * Makefile.in (STMP_FIXINC): New toggle.
7004 (LIBGCC2_DEPS): Delete all references.
7005 (stmp-headers): Delete target. All references either deleted
7006 or changed to stmp-int-headers.
7007 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7008 (LIBCPP_OBJS): Take out cppalloc.o.
7009 (cppalloc.o): Delete target.
7010 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7011 (gen-protos, fix-header): Link with libiberty.a.
7012 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7015 * configure.in: Remove refs to strerror.
7016 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7017 * system.h: Take out strerror stanza.
7019 * cpperror.c (my_strerror): Delete function.
7020 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7021 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7022 * cppalloc.c: Delete file.
7023 * gen-protos.c: Don't provide xrealloc.
7025 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7026 xstrerror throughout.
7028 2000-02-26 Bruce Korb <bkorb@gnu.org>
7030 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7031 match for DOS headers, too.
7032 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7034 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7036 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7037 is right for most ELF targets.
7038 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7039 Let the default file use %U properly.
7040 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7043 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7046 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7048 * toplev.c (documented_lang_options): Correct spelling error.
7049 (decode_d_option, decode_f_option, main): Likewise.
7051 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7053 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7054 to tell assembler it is permitted to expand large constants.
7056 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7058 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7059 (aux_info_suffix): Use.
7060 (SAVE_SUFFIX): New macro.
7062 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7063 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7064 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7066 * invoke.texi (Running Protoize): Update documentation.
7068 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7070 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7072 2000-02-25 John Wehle (john@feith.com)
7074 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7076 2000-02-25 Anthony Green <green@cygnus.com>
7078 * toplev.c (rest_of_compilation): Rebuild jump labels if
7079 combine_instructions has created a new direct jump.
7080 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7082 (combine_instructions): Call try_combine with new argument.
7083 Return non-null value when new direct jump instruction is created.
7084 * rtl.h: combine_instructions returns an int.
7086 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7088 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7089 jump when changing a computed jump into a jump to a known
7092 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7094 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7095 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7097 * i386.md (define_expand "clrstrsi"): Fix typo.
7099 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7101 * rtl.texi: Fix typo.
7103 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7105 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7106 UNITS_PER_WORD. Change caller initial_elimination_offset.
7107 (rounded_frame_size): Take into account that argument pushed has
7108 changed. Fix TARGET_ALIGN_DOUBLE problem.
7110 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7112 * haifa-sched.c (schedule_block): Explain the real reason
7113 we delete REG_SAVE_NOTEs on the first insn of a block.
7114 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7116 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7118 * input.h (push_srcloc): New function.
7119 (pop_srcloc): Likewise.
7120 * toplev.c (push_srcloc): Define it.
7121 (pop_srcloc): Likewise.
7123 2000-02-24 Richard Henderson <rth@cygnus.com>
7125 * flow.c (life_analysis): When collecting reg info, clear
7128 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7130 Fix bug exposed by reload.c no longer rounding the frame
7131 size to BIGGEST_ALIGNMENT:
7132 * sh.c (rounded_frame_size): New function.
7133 (sh_expand_prologue, sh_expand_epilogue): Use it.
7134 (initial_elimination_offset): Likewise.
7136 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7138 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7139 * sh-protos.h (sh_need_epilogue): Declare.
7140 * sh.c (sh_need_epilogue_known): New static variable.
7141 (sh_need_epilogue): New function.
7142 (function_epilogue): Clear need_epilogue_known.
7143 * sh.md (return): Split into expander / insn pattern.
7144 Make the expander conditional on ! sh_need_epilogue ().
7146 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7148 * machmode.h (get_mode_alignment): Declare.
7149 (GET_MODE_ALIGNMENT): Call it.
7150 * stor-layout.c (get_mode_alignment): New function. Make
7151 sure alignment is always power of 2.
7153 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7155 * i386.h: Remove useless definition of "I386" and misleading
7158 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7160 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7161 under which TREE_PERMANENT will be set.
7162 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7163 build1): Use TREE_SET_PERMANENT.
7164 * print-tree.c (print_node): Don't report value of
7165 TREE_PERMANENT if ggc_p is true.
7167 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7168 decide whether to give a type a new alias set.
7169 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7170 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7171 of value of 'obstack'.
7174 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7176 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7178 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7180 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7181 * cpplib.c (cpp_get_token): Produce them.
7182 * cppexp.c (cpp_lex): Handle them.
7184 2000-02-23 Nick Clifton <nickc@cygnus.com>
7186 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7187 comment tests on type attributes.
7189 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7191 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7192 conform to documentation.
7193 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7194 to check for special cases.
7195 * sh-protos.h (sh_loop_align): Declare.
7196 * sh.c (sh_loop_align): Define.
7198 2000-02-22 Andrew Haley <aph@cygnus.com>
7200 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7201 (SIZE_TYPE): Is 32 bits when using -mgp32.
7202 (PTRDIFF_TYPE): Ditto.
7204 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7206 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7208 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7210 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7211 BIGGEST_FIELD_ALIGNMENT a constant.
7213 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7215 * dwarf2out.c (output_line_info): Put the marker for the end of
7216 the line number info at the actual end.
7217 (gen_struct_or_union_type_die): Use decl_function_context
7218 to check for local classes.
7219 * dwarfout.c (output_type): Likewise.
7221 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7223 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7224 for arguments with a mode, but no type.
7225 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7226 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7227 * pa/long_double.h: New file.
7228 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7229 both have 128bit wide long doubles.
7230 * configure: Rebuilt.
7232 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7234 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7236 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7237 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7238 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7240 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7242 * integrate.c (compare_blocks, find_block): Likewise.
7244 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7246 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7248 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7249 expand_asm_operands): Likewise.
7251 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7253 * predict.c (estimate_probability): Added the pointer heuristic to
7254 the collection of static branch predictors.
7256 2000-02-21 Catherine Moore <clm@cygnus.com>
7258 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7259 * invoke.texi (-mfix7000): Document.
7261 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7263 * diagnostic.c (init_output_buffer): Make it possible to output at
7264 least 32 characters if we're given a too long prefix.
7266 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7268 * varasm.c (initializer_constant_valid_p): Call
7269 lang_expand_constant to simplify the constant.
7271 2000-02-20 Bruce Korb <bkorb@gnu.org>
7273 * fixinc/inclhack.def(stdio_va_list):
7274 typedef needs to be disabled.
7275 * fixinc/inclhack.sh: regen
7276 * fixinc/fixincl.x: regen
7278 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7280 * print-rtl.c (print_rtx): Don't print addresses when
7281 flag_dump_unnumbered.
7283 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7285 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7287 (sparc_va_arg, sparc_flat_output_function_prologue,
7288 sparc_flat_output_function_epilogue): Cast value to unsigned in
7290 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7292 * sparc.md: Add default case in switch.
7294 2000-02-19 Richard Henderson <rth@cygnus.com>
7296 * c-typeck.c (add_pending_init): Don't abort for multiple
7297 fields at the same offset.
7298 (pending_init_member): Test the correct member.
7300 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7302 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7304 (start_catch_handler) : Same.
7306 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7308 * Makefile.in: Have flow.o depend on $(EXPR_H)
7310 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7312 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7313 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7314 (finish_decl): Remove -Wlarger-than code from here.
7315 * flags.h (id_clash_len): Now int.
7316 (larger_than_size): Now HOST_WIDE_INT.
7317 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7318 Clean up checking to see if in table.
7319 (make_bit_field_ref): Remove extra parm to bitsize_int.
7320 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7321 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7322 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7323 and for computing size of decl.
7324 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7325 Move -Wlarger-than code to here.
7326 (layout_record): Remove extra arg to bitsize_int.
7327 Set TYPE_BINFO_SIZE_UNIT.
7328 (layout_union): Remove extra arg to bitsize_int.
7329 Use proper type for size of QUAL_UNION.
7330 (layout_type): Remove extra arg to bitsize_int.
7331 * toplev.c (id_clash_len): Now int.
7332 (larger_than_size): Now HOST_WIDE_INT.
7333 (decode_W_option): Clean up id-clash and larger-than- cases.
7334 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7335 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7336 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7337 (struct tree_decl): New field size_unit.
7338 (size_int_wide): No HIGH operand; NUMBER is now signed.
7339 (size_int_2): Deleted.
7340 (size_int, bitsize_int): Don't use it and rework args.
7341 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7343 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7345 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7347 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7349 * invoke.texi (Warning Options): Add an explanation of why
7350 you might want the -Wfloat-equal flag.
7352 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7354 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7355 * cppinit.c (new_pending_define): Add cast to avoid warning.
7356 * expmed.c (extract_bit_field): Likewise.
7357 * flow.c (enum reorder_skip_type): New type.
7358 (skip_insns_between_blcok): New it.
7359 Rework to avoid warning about possibly undefined variable.
7360 * function.c (assign_parms): Make thisparm_boundary unsigned.
7361 * genrecog.c (write_switch): Cast XWINT result to int.
7362 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7363 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7364 one for MIPS and one for Alpha.
7365 (get_tag, copy_object): Add casts to avoid warnings.
7366 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7367 * reload.c (find_reloads): Make TYPE enum reload_type.
7368 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7369 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7370 * varasm.c (compare_constant_1): Add cast to avoid warning.
7371 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7373 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7374 Cast switch operand of size to int.
7375 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7376 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7379 2000-02-18 Nick Clifton <nickc@cygnus.com>
7381 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7382 anything for an alignment of zero.
7384 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7385 anything for an alignment of zero.
7387 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7389 * gcc.texi (Bug Reporting): Refer to bugs.html.
7390 (Bug Lists): Likewise.
7391 * system.h (GCCBUGURL): New preprocessor define.
7392 * rtl.c (fancy_abort): Use it.
7393 * gcc.c (main): Likewise.
7395 2000-02-18 Richard Henderson <rth@cygnus.com>
7397 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7398 (life_analysis_1): Subsume into ...
7399 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7400 Use update_life_info for the relaxation.
7401 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7402 entry and regs_live_at_setjmp.
7403 (set_noop_p): Simplify.
7404 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7405 (record_volatile_insns): Split into ...
7406 (delete_noop_moves): ... here,
7407 (notice_stack_pointer_modification): ... here,
7408 (insn_dead_p): ... and here.
7409 (propagate_block): Don't query INSN_VOLATILE.
7410 (mark_used_regs): Mind !PROP_REG_INFO.
7411 * toplev.c (rest_of_compilation): Call mark_constant_function here,
7412 not in life_analysis.
7414 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
7416 * loop.c (canonicalize_condition): New function,
7417 broken out of get_condition.
7418 (get_condition): Use it.
7419 * expr.h (canonicalize_condition): Prototype it.
7421 * tree.h (tree_int_cst_msb): Declare.
7422 * tree.c (tree_int_cst_msb): New function.
7424 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7426 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
7429 * invoke.texi (-fmessage-length=n): Document.
7431 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
7433 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
7435 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7437 * function.c (thread_prologue_and_epilogue_insns): Put a line note
7440 2000-02-17 Nick Clifton <nickc@cygnus.com>
7442 * config/arm/thumb.c: Replace includes of system headers with
7443 #include "system.h".
7445 2000-02-16 Richard Henderson <rth@cygnus.com>
7447 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
7448 Add crtbeginS.o and crtendS.o.
7449 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
7450 (ENDFILE_SPEC): Use crtendS.o.
7451 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
7453 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
7454 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
7456 (__dso_handle): New variable.
7457 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
7458 bias to __CTOR_END__.
7460 2000-02-16 Richard Henderson <rth@cygnus.com>
7462 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
7464 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
7466 * longlong.h (__clz_tab): Declare as static to match definition.
7468 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
7469 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
7470 (XREF_FILE_NAME): Define.
7472 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
7473 (EH_FRAME_SECTION_ASM_OP): Define.
7474 (IDENT_ASM_OP): Define.
7475 (TEXT_SECTION_ASM_OP): Define.
7477 (CTORS_SECTION_ASM_OP): Define.
7478 (CTOR_SECTION_FUNCTION): Use it.
7479 (DTORS_SECTION_ASM_OP): Define.
7480 (DTOR_SECTION_FUNCTION): Use it.
7482 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
7484 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
7487 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
7488 debug_bb_n): New functions.
7489 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
7490 * basic-block.h: Prototype new functions.
7492 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
7494 * configure.in: Add support for avr target.
7495 * configure: Rebuilt.
7497 * invoke.texi: Add AVR invocation docs.
7498 * install.texi: Add information about AVR.
7499 * md.texi: Add AVR constraint letters description.
7500 * extend.texi: Add description for AVR specific attributes.
7502 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
7504 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
7506 2000-02-16 Nick Clifton <nickc@cygnus.com>
7508 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
7509 (make_insn_raw): Move RTL check here.
7511 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7513 * version.c: Include gansidecl.h and version.h.
7515 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
7517 * configure.in (gcc_version): When setting, narrow search to
7518 lines containing `version_string'.
7520 * Makefile.in (mainversion): Likewise.
7521 (GCC_H): New variable.
7522 (gcc.h): Delete target.
7523 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
7524 (version.o): Depend on version.h.
7525 (dbxout.o): Don't depend on gcc.h.
7527 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
7528 Michael Meissner <meissner@cygnus.com>
7530 * md.texi (Simple Constraints): Add item about whitespace.
7531 * genoutput.c (strip_whitespace): New.
7532 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
7533 strip_whitespace for constraints.
7534 Test pointer using NULL, not 0.
7536 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7538 * cpplib.c (do_line): Pedwarn for #line > 32767.
7540 * c-lex.c (readescape): Warn about '\x', but do not reject it.
7542 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
7544 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
7545 to default cpp spec.
7546 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
7547 * cpp.texi: Document __GNUC_PATCHLEVEL__.
7550 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
7553 2000-02-15 Denis Chertykov <denisc@overta.ru>
7555 * configure.in: Add support for avr target.
7557 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7559 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
7560 (sh_addr_diff_vec_mode): Don't declare.
7561 * sh.c (sh_addr_diff_vec_mode): Delete.
7563 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7565 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
7567 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7569 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
7570 (smulsi3_highpart_i): Name.
7571 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
7572 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
7573 (smulsi3_highpart, umulsi3_highpart): Likewise.
7575 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
7576 correctly independent of endianness.
7577 (mulsidi3, umulsidi3): Now define_insn. Hide details that
7578 confuse the optimizers.
7579 (mulsidi3+1, umulsidi3+1): New define_split.
7581 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
7583 * config/sh/sh.md: Guard insn splits against illegal registers.
7584 * config/sh/sh.h: Correct comment about macros.
7586 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7587 Andrew MacLeod <amacleod@cygnus.com>
7589 * Makefile.in (lcm.o): Depend on insn-attr.h.
7590 * basic-block.h (optimize_mode_switching): Declare.
7591 * lcm.c (tm_p.h, insn-attr.h): #include.
7592 (seginfo, bb_info): New structs.
7593 (antic, transp, comp, delete, insert) : New file-scope static variables.
7594 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
7595 (reg_becomes_live, optimize_mode_switching): Likewise.
7596 * tm.texi: Add description of mode switching macros.
7597 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
7599 * sh-protos.h (remove_dead_before_cse): Remove prototype.
7600 (fldi_ok, fpscr_set_from_mem): New prototypes.
7601 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
7602 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
7603 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7604 (sh_flag_remove_dead_before_cse): Remove declaration.
7605 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
7606 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
7607 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
7608 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7609 (barrier_align): Allow for JUMP_INSNS containing a parallel.
7610 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
7611 (fldi_ok): New function.
7612 (get_fpscr_rtx): Add fpscr_rtx as GC root.
7613 (emit_sf_insn): Only generate fpu switches when optimize < 1.
7614 (emit_df_insn): Likewise.
7615 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
7616 (sh_flag_remove_dead_before_cse): Delete.
7617 (get_free_reg, fpscr_set_from_mem): New functions.
7618 * sh.md (movdf, movsf): Remove no_new_pseudos code.
7619 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
7621 2000-02-15 Loren Rittle <ljrittle@acm.org>
7623 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
7625 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7627 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
7628 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
7630 * cccp.c: Include version.h and/or don't declare `version_string'.
7631 * collect2.c: Likewise.
7632 * alpha.c: Likewise.
7633 * arm/aof.h: Likewise.
7634 * arm/coff.h: Likewise.
7635 * arm/elf.h: Likewise.
7636 * arm/pe.h: Likewise.
7637 * arm/tcoff.h: Likewise.
7638 * arm/telf.h: Likewise.
7639 * arm/tpe.h: Likewise.
7640 * arm/vxarm.h: Likewise.
7641 * convex/convex.c: Likewise.
7642 * i386/dgux.c: Likewise.
7643 * i386/sun386.h: Likewise.
7644 * m88k/m88k.c: Likewise.
7645 * mcore/mcore-pe.h: Likewise.
7646 * mips/mips.h: Likewise.
7647 * romp/romp.h: Likewise.
7648 * sh/sh.c: Likewise.
7649 * cpphash.c: Likewise.
7650 * cppinit.c: Likewise.
7651 * dwarf2out.c: Likewise.
7652 * dwarfout.c: Likewise.
7655 * mips-tfile.c: Likewise.
7656 * protoize.c: Likewise.
7657 * toplev.c: Likewise.
7660 * version.c (version_string): Constify a char*.
7662 * version.h: New file.
7664 2000-02-14 Nick Clifton <nickc@cygnus.com>
7666 * configure.in: Add mcore-elf and mcore-pe targets.
7667 * configure: Regenerate.
7669 * NEWS: Add note that MCore port has been contributed.
7671 * invoke.texi: Document command line switches for MCore port.
7672 * install.texi: Add MCore to list of supported targets.
7674 2000-02-14 Geoff Keating <geoffk@cygnus.com>
7676 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
7677 then we will need to import the frame handling functions.
7678 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
7679 to import the frames themselves.
7681 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
7682 Jason Eckhardt <jle@cygnus.com>
7684 * basic_block.h: Added prototype for reorder_basic_blocks.
7685 * toplev.c: Changes to add -freorder-blocks and graph dump after
7686 block reordering is done.
7687 * flow.c (reorder_block_def): New structure for use during block
7689 (REORDER_BLOCK_*): New macros to access members of above structure.
7690 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
7691 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
7692 functions for block reordering.
7694 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
7696 * gcc.texi (Passes): Fix typo.
7697 * md.texi (Standard Names): Ditto.
7698 * tm.texi (Storage Layout): Ditto.
7700 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
7702 * cpplib.c (do_define): Only free the old definition if it
7705 2000-02-13 Neil Booth <NeilB@earthling.net>
7707 * cppfiles.c (read_and_prescan): When emitting deferred
7708 newlines, test speccase[] again instead of checking each
7709 possible whitespace character in turn. When we encounter \r,
7710 look behind for \n first, then ahead.
7712 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
7714 * cse.c (cse_altered): New internal flag.
7715 (cse_insn): Set it if we changed an insn.
7716 (cse_main): Clear cse_altered before each basic block.
7717 Only garbage collect if cse_altered is true afterward.
7719 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7721 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
7723 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
7725 * combine.c (simplify_comparison): Fix typo.
7727 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
7729 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
7732 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7734 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
7735 previously inserted node instead of root node. Caller changed.
7737 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7739 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
7741 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7743 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
7744 __dereg_frame_dtor): Add prototype argument.
7746 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
7748 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
7750 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
7752 * gthr-vxworks.h (__gthread_once): Likewise.
7754 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
7756 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
7758 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
7759 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
7760 stack pointer in functions w/o saved registers, output LEAVE more often
7761 on TARGET_USE_LEAVE machines.
7763 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
7765 * config/arm/arm.c (arm_init_cumulative_args); New function:
7766 Initlaise the CUMULATIE_ARGS strcuture for a function
7768 (arm_function_arg): New function: Determine where to place a
7769 function's argument. Also handles deciding the function's
7771 (current_file_function_operand): New function: Return true if
7772 the symbol is a function which has already been compiled.
7773 (arm_is_long_call_p): New function: Return true if the
7774 indicated function should be called via a long call.
7775 (arm_valid_type_attribute_p): New function: Return true if the
7776 attribute is a valid, arm specific, attribute.
7777 (arm_comp_type_attribute): New function: Return true if the
7778 two types have compatable, arm specific, attributes.
7780 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
7782 (FUNCTION_ARG): Redefine to call arm_function_arg.
7783 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
7785 (INIT_CUMULATIVE_ARGS): Redefine to call
7786 arm_init_cumulative_args.
7787 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
7789 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
7791 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
7793 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
7794 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
7795 (COMP_TYPE_ATTRIBUTES): Define.
7797 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
7798 if a long call is needed.
7799 (call_value): Call arm_is_long_call_p to decide if a long call
7801 (call_symbol): Call arm_is_long_call_p to decide if a long call
7804 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
7806 2000-02-11 Denis Chertykov <denisc@overta.ru>
7808 * README.AVR: New file with information about the avr ports.
7809 * config/avr: New directory with avr port files.
7811 2000-02-11 Andreas Jaeger <aj@suse.de>
7813 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
7815 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
7817 * cpphash.c: Fix formatting, update commentary.
7818 (dump_definition): Take three separate arguments instead of a
7819 MACRODEF structure argument.
7820 * cpphash.h: Update prototype of dump_definition.
7821 * cppinit.c (cpp_finish): Update call of dump_definition.
7823 * cpplib.c (do_define): Always create new hash entry with
7824 T_MACRO type. Remove redundant check for redefinition of
7825 poisoned identifier. Update call of dump_definition.
7826 (do_undef): Don't call check_macro_name. Rename sym_length to
7828 (do_error, do_warning): Don't use copy_rest_of_line or
7830 (do_warning): Don't use pedwarn for the actual warning,
7831 only the notice about its not being in the standard. (Fixes
7832 bug with #warning in system headers.)
7833 (do_ident): Stricter argument checking - accept only a single
7834 string after #ident. Also, macro-expand the line.
7835 (do_xifdef): Use cpp_defined. De-obfuscate.
7837 (do_pragma): Split out specific pragma handling to separate
7838 functions. Use get_directive_token. Update commentary. Do
7839 not pass on #pragma once or #pragma poison to the front end.
7840 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
7841 do_pragma_default): New.
7843 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
7845 * jump.c (jump_optimize_1): The first operand in a relational
7847 * optabs.c (emit_conditional_move): Handle relationals which
7848 have a known true/false result.
7850 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7852 * function.c (thread_prologue_and_epilogue_insns): Don't insert
7853 a RETURN insn into a block which already ends with a jump.
7855 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7857 * haifa-sched.c (BUF_LEN): Increase a lot.
7859 2000-02-11 Nick Clifton <nickc@cygnus.com>
7861 * configure.in: Add tm_p_file specification for thumb targets.
7862 * configure: Regenerate.
7864 * config/arm/thumb-protos.h: New file: Prototypes for exported
7865 functions defined in thumb.c.
7867 2000-02-11 Robert Lipe <robertl@sco.com>
7869 * Makefile.in (bootstrap-lean): Remove additional files.
7870 (bootstrap2-lean): Likewise.
7871 (VOL_FILES): List of files for above.
7873 2000-02-11 Nathan Sidwell <nathan@acm.org>
7875 * cpphash.c (special_symbol): Remove spurious argument to
7878 2000-02-11 Joel Sherrill (joel@OARcorp.com>
7880 * configure.in: (i*86-*-rtems*): Swapped elf and coff
7882 * configure: Rebuilt.
7884 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
7886 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
7888 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
7890 * pa.c, pa.h: Remove trigraph sequences within comments.
7892 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
7894 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
7896 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
7898 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
7900 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7902 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
7904 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7906 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
7907 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
7908 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
7909 (ASM_FILE_END): Use c4x_file_end.
7910 * config/c4x/c4x.c (c4x_global_label): New function.
7911 (c4x_external_ref, c4x_file_end): Likewise.
7913 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
7914 (c4x_external_ref, c4x_end_file): Likewise.
7916 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
7918 * cppexp.c: Don't include cpphash.h.
7919 (parse_charconst, cpp_lex): Use cpp_defined.
7920 (cpp_lex): Use get_directive_token throughout. Remove
7921 unnecessary cases from switch. Move assertion-handling code
7923 (cpp_parse_expr): If we see '+' or '-', check the context to
7924 determine if they are unary or binary operators. Streamline
7925 the jumps a bit. Do not call skip_rest_of_line.
7927 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
7928 static. Export get_directive_token. Update commentary.
7929 (cpp_defined): New function.
7930 (do_define): Remove reference to T_PCSTRING. Call
7931 free_definition to release memory for old definition, when
7933 (eval_if_expression): Set only_seen_white to 0 before calling
7934 cpp_parse_expr. Call skip_rest_of_line after it returns.
7935 (cpp_read_check_assertion): Don't preserve a pointer into the
7936 token buffer across a call to cpp_get_token.
7938 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
7939 * cppfiles.c (redundant_include_p): Use cpp_defined.
7940 * cpphash.c (free_definition): New function.
7941 (delete_macro): Use it. Update commentary.
7942 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
7944 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
7945 from enum node_type. Prototype cpp_defined and get_directive_token.
7946 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
7948 * fix-header.c (check_macro_names): Use cpp_defined.
7949 (read_scan_file): Set inhibit_warnings and inhibit_errors in
7950 the options structure.
7952 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7954 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
7956 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
7958 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
7959 rather than die->die_tag.
7961 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7963 * combine.c (make_extraction, force_to_mode): Avoid warning on
7964 mixed-signedness conditionals.
7965 (make_field_assignment, nonzero_bits): Likewise.
7966 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
7967 (store_split_bit_field, extract_split_bit_field): Likewise.
7968 (extract_fixed_bit_field, store_bit_field,
7969 * expr.c: Change alignment to be unsigned everywhere.
7970 (move_by_pieces, store_constructor_field, store_constructor):
7971 Alignment parm is unsigned.
7972 (emit_block_move, emit_group_load, emit_group_store): Likewise.
7973 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
7974 (do_compare_rtx_and_jump): Likewise.
7975 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
7976 Compare align with GET_MODE_ALIGNMENT.
7977 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
7978 (get_inner_reference): Likewise.
7979 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
7980 (expand_assignment): Local vars for alignment now unsigned.
7981 (store_constructor, store_field, expand_expr, do_jump): Likewise.
7982 (do_compare_and_jump): Likewise.
7983 (store_field): Call new function expr_align.
7984 * expr.h (emit_block_move, emit_group_load, emit_group_store):
7985 Alignment arg now unsigned.
7986 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
7987 (do_compare_rtx_and_jump, store_bit_field): Likewise.
7988 (extract_bit_field): Likewise.
7989 * fold-const.c (add_double): Add cast to eliminate signedness warning.
7990 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
7991 (get_best_mode): Alignment arg is unsigned.
7992 * rtl.h (move_by_pieces): Likewise.
7993 * store-layout.c (maximum_field_alignment, set_alignment):
7995 (layout_decl): Alignment arg is now unsigned.
7996 Remove unneeded casts.
7997 (layout_record, layout_union, layout_type): Remove unneeded casts.
7998 Local alignment variables now unsigned.
7999 (get_best_mode): Alignment arg now unsigned.
8000 * tree.c (expr_align): New function.
8001 * tree.h (expr_align): Likewise.
8002 (maximum_field_alignment, set_alignment): Now unsigned.
8003 (get_inner_reference): Alignment argument is now pointer to unsigned.
8004 * varasm.c (assemble_variable): Add cast to eliminate warning.
8006 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8008 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8009 then store directly into op0.
8011 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8012 the CALL_INSN, and emit the note immediately after it.
8014 2000-02-10 Nick Clifton <nickc@cygnus.com>
8016 * config/arm/thumb.md (epilogue): Include a (return) in the
8017 generated insn, and emit it using emit_jump_insn not
8020 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8022 * function.c (assign_temp): Change zero-sized arrays to size 1.
8023 * integrate.c (expand_inline_function): Do not update
8024 stack_alignment_needed
8025 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8026 add some sanity checking, remove optimization for function with
8029 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8031 * flow.c (mark_regs_live_at_end): Delete unused variables.
8033 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8035 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8036 in macro FRAME_GROWS_DOWNWARD.
8038 * stmt.c (expand_end_bindings): Delete unused variable.
8040 * unroll.c (iteration_info): Mark parameter `loop' with
8043 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8045 * fixinc/server.c (load_data): Return NULL if the marker line is
8047 (run_shell): If load_data returns NULL, retry the command once, in
8050 * configure: Rebuilt.
8052 2000-02-09 Bruce Korb <bkorb@gnu.org>
8054 * gcc/fixincludes: ** DELETED **
8055 * gcc/fixcpp: ** DELETED **
8056 * gcc/fixinc-nt.sed: ** DELETED **
8057 * gcc/just-fixinc: ** DELETED **
8058 * gcc/Makefile.in: Removed out-dated commentary
8059 * gcc/configure.in: Removed fast-fixincludes disablement.
8060 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8062 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8063 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8066 2000-02-09 Richard Henderson <rth@cygnus.com>
8068 * jump.c (delete_insn): Don't delete user labels at -O0.
8070 2000-02-09 Robert Lipe <robertl@sco.com>
8072 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8073 Don't link with HOST_LIBS.
8075 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8077 * configure.in: Correct --help text for --with-dwarf2.
8078 Put tm-dwarf2.h after other tm files, if it's requested.
8079 * configure: Regenerate.
8080 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8083 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8085 * cpplib.h: Provide HASHNODE typedef and forward decl of
8086 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8087 DEFINITION, struct hashnode, struct macrodef, struct
8088 definition, scan_decls prototype, default defn of
8089 INCLUDE_LEN_FUDGE moved elsewhere.
8091 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8092 definition, and struct hashnode moved here. Remove the unused
8093 'predefined' field from struct definition. Replace the 'args'
8094 union with its sole member. All users updated (cpphash.c).
8095 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8096 multiple include guard.
8098 * cpphash.c (hashf): Make static; use better algorithm; drop
8099 HASHSIZE parameter; return an unsigned int.
8100 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8101 used. Calculate HASHSIZE modulus here.
8102 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8104 (create_definition): Drop PREDEFINITION parameter.
8105 * cpplib.c (do_define): Don't calculate a hash value here.
8106 Don't pass (keyword == NULL) to create_definition.
8108 * scan.h: Prototype scan_decls here.
8109 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8110 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8111 callers of cpp_lookup and cpp_install updated.
8113 * cpphash.c (macarg): Hoist all the flag diddling out of the
8115 (macroexpand): ... and out of the loop that calls macarg.
8116 Skip over the initial paren before macro arguments with
8117 cpp_get_non_space_token; point may be some distance before
8118 that paren. Abort if it's not there.
8120 * cpplib.c (parse_clear_mark): Delete function.
8121 (parse_set_mark, parse_goto_mark): Make static.
8122 (ACTIVE_MARK_P): New macro.
8123 (skip_block_comment, skip_line_comment): Do not bump the line
8124 if ACTIVE_MARK_P is true.
8125 (cpp_pop_buffer): The buffer to be popped may not have an
8127 (cpp_get_token): When looking for the initial paren before
8128 macro arguments, only set a mark in a file buffer, Always
8129 return to that mark before proceeding to call macroexpand or
8130 return a NAME token.
8132 * cpplib.h: Remove prototypes of parse_set_mark,
8133 parse_clear_mark, parse_goto_mark.
8134 (struct cpp_options): Rename 'put_out_comments' to
8135 'discard_comments' and invert its sense.
8136 * cppinit.c, cpphash.c, cpplib.c: All users of
8137 put_out_comments changed to use discard_comments, with
8140 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8142 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8143 the edge from a block that both jumps and falls through to the
8146 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8148 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8149 constant source address is legitimate.
8151 2000-02-09 Philip Blundell <pb@futuretv.com>
8153 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8156 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8158 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8160 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8162 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8163 ends with a newline and a NUL. Don't be so clever manipulating
8166 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8168 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8169 not to BIGGEST_ALIGNMENT.
8171 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8173 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8174 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8175 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8176 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8177 * frame.c (execute_cfa_insn): Handle
8178 DW_CFA_GNU_negative_offset_extended.
8180 2000-02-08 Richard Henderson <rth@cygnus.com>
8182 * flow.c (tidy_fallthru_edges): Split out from ...
8183 (delete_unreachable_blocks): ... here.
8184 (find_basic_blocks): Use it.
8186 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8188 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8190 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8192 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8193 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8194 (fix-header.o): Don't depend on cpphash.h.
8196 * scan.c (hashstr): New function.
8197 * scan.h: Prototype it.
8198 * fix-header.c: Don't include cpphash.h. Use hashstr.
8199 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8200 hashstr. Report hash table statistics. Add private
8201 definition of xrealloc.
8203 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8205 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8207 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8209 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8210 jumps with returns unless they are jumps to the fallthru block.
8212 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8214 * i386.md (addqi3_cc): Fix contraints.
8216 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8218 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8220 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8222 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8223 carriage return after a macro name.
8225 2000-02-07 Fred Fish <fnf@be.com>
8227 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8228 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8230 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8232 * cppfiles.c (deps_output): Count spacers in deps_column.
8234 2000-02-07 Neil Booth <NeilB@earthling.net>
8236 * cppinit.c (initialize_dependency_output): If there is no
8237 suffix, don't try to look for known suffixes. Use strrchr.
8238 (cpp_start_read): Remove duplicate initialization.
8240 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8242 * calls.c (compute_argument_block_size): New argument
8243 preferred_stack_boundary.
8244 (expand_call): update cfun->preferred_stack_boundary, update call of
8245 compute_argument_block_size
8246 (emit_library_call): Increate cfun->preferred_stack_boundary
8247 to PREFERRED_STACK_BOUNDARY
8248 (emit_library_call_value): Likewise.
8249 * explow.c (allocate_dynamic_stack_spave): Likewise.
8250 * function.c (prepare_function_start): Set
8251 cfun->preferred_stack_boundary
8252 * function.h (struct function): Add preferred_stack_boundary field.
8253 * integrate.c (expand_inline_function): Update
8254 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8255 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8256 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8258 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8260 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8261 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8262 cpp_pedwarn, cpp_pedwarn_with_line,
8263 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8264 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8265 v_cpp_error_with_line, v_cpp_warning_with_line,
8266 cpp_message_from_errno, cpp_perror_with_name): Delete.
8268 * cpperror.c (cpp_print_containing_files): Take starting
8270 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8271 (v_cpp_message): Now called directly by all entry points.
8273 (cpp_pfatal_with_name, cpp_message): Delete.
8274 (cpp_notice_from_errno, cpp_ice): New functions.
8275 (cpp_notice): Is now for reporting error conditions, just
8276 without an associated file.
8277 (cpp_error, cpp_error_with_line): Don't do anything if
8278 opts->inhibit_errors is on.
8279 (cpp_pedwarn_with_file_and_line): Take column argument also.
8281 * cpplib.h: Update prototypes of exported functions.
8282 (struct cpp_options): Add inhibit_errors.
8284 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8285 non-error messages. Include intl.h.
8287 * cppinit.c, cppmain.c: Likewise. Also, use
8288 cpp_notice_from_errno instead of cpp_perror_with_name or
8289 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8291 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8292 report internal errors.
8294 * cpplib.c (do_define): Switch bcopy to memcpy.
8295 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8297 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8298 bail out early if we hit a line comment.
8300 2000-02-06 Richard Henderson <rth@cygnus.com>
8302 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8303 * basic-block.h: Declare them.
8304 * emit-rtl.h (active_insn_p): New.
8305 (next_active_insn, prev_active_insn): Use it.
8306 * rtl.h: Declare it.
8307 * function.c (emit_return_into_block): New.
8308 (thread_prologue_and_epilogue_insns): Insert return insns instead
8309 of epilogues when possible.
8310 * jump.c (jump_optimize_1): Remove code to insert a return insn
8311 on the fallthru to the exit block.
8313 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8314 and for non-empty stack frames.
8315 * i386.md (return): Expand to return-pop as needed.
8317 2000-02-06 Richard Henderson <rth@cygnus.com>
8319 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8320 constant to op1 for testing.
8322 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8324 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8325 (fixuns_truncqfqi2): Use it.
8327 2000-02-06 Richard Henderson <rth@cygnus.com>
8329 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8332 * i386.md (widening and peepholes): Mask the constant instead of
8335 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8337 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8338 input pointer before possibly branching off to the backslash
8340 * cpphash.c (macroexpand): Correctly delete \r escapes when
8341 stringifying parameters.
8342 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8343 if we can; bail out early if we hit a line comment.
8344 (handle_directive): Treat '# 123' in an .S file just like
8345 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8346 Return 1 for '# not_a_directive'.
8347 (get_directive_token): Pop macro buffers here, so that
8348 cpp_get_token can't sneakily move past a newline.
8350 (cpp_get_token): goto randomchar if handle_directive returns 0.
8352 * cppalloc.c: Update copyright.
8353 * cpplib.c: Merge all the static function prototypes into one
8355 * cpplib.h: Remove #if 0 block.
8357 * cpperror.c: Remove #ifdef EMACS block.
8358 * cppmain.c: Likewise.
8359 * cpphash.c: Remove #if 0 blocks.
8360 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8361 * cpplib.c: Remove #if 0 blocks and code referencing
8362 pcp_inside_if or for_lint. Remove duplicate error message.
8363 Fix error messages for #else after #else or #elif. Reformat.
8364 Remove archaic TODO list.
8365 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8367 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8369 * i386/osf1elf.h: Add missing backslash to multiline string.
8371 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8373 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8375 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8377 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8379 * c-common.c: Include expr.h.
8381 * c-pragma.c (mark_align_stack): Add prototype.
8383 * caller-save.c (add_stored_regs): Likewise.
8385 * combine.c (record_promoted_value): Likewise.
8387 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8390 * cppinit.c (new_pending_define): Likewise.
8392 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8394 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8395 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8396 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8397 class_scope_p): Likewise.
8399 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8400 dwarf2out_add_library_unit_info): Likewise.
8402 * ggc.h (ggc_page_print_statistics): Likewise.
8404 * haifa-sched.c (propagate_deps): Likewise.
8406 * reg-stack.c (next_flags_user, record_label_references): Likewise.
8408 * rtl.h (set_stack_check_libfunc): Likewise.
8410 * toplev.h (set_fatal_function): Likewise.
8412 * toplev.c (set_fatal_function): Delete prototype.
8414 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
8416 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8418 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
8419 (FUNC_END): Likewise.
8421 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8423 * caller-save.c: Include tm_p.h.
8425 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8427 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
8429 2000-02-04 Neil Booth <NeilB@earthling.net>
8431 * cccp.c (main): Check 'dir' for a NULL pointer before passing
8434 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
8436 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
8437 * genflags.c: Use the max_operand_1 logic from genemit.c to
8438 calculate how many arguments gen_insn prototypes have. Remove
8439 NO_MD_PROTOTYPES ifdefs from the generated file.
8440 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
8441 file. Cast gen_insn initializers to insn_gen_fn.
8442 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
8443 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
8445 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8447 * fixinc/Makefile.in (HDR): Add machname.h.
8450 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8452 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
8453 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
8454 (c4x_cpu_version): Ditto.
8455 * config/c4x/c4x-protos.h: ... here.
8457 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
8459 * dwarf2out.c (add_abstract_origin_attribute): Don't call
8460 gen_abstract_function on our context if we're a nested function.
8462 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8464 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
8465 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
8467 2000-02-04 Bruce Korb <bkorb@gnu.org>
8469 * fixinc/genfixes(machname.h):
8470 Move the functionality from gen-machine.h into this file.
8471 UNdef MN_NAME_PAT if there are no names to change.
8472 Also, be a little kinder when AutoGen is not present.
8474 * fixinc/Makefile.in(machname.h):
8475 Change the generation rule to use genfixes.
8477 * fixinc/fixfixes.c(machine_name):
8478 machine_name_fix's functionality now dependent upon whether
8479 MN_NAME_PAT is defined.
8481 * fixinc/fixtests.c(machine_name):
8484 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
8487 * fixinc/fixlib.h(mn_get_regexps):
8490 * fixinc/gen-machine.h: DELETED
8492 2000-02-04 Jan Hubicka <jh@suse.cz>
8493 Richard Henderson <rth@cygnus.com>
8495 * i386.c (SAVE_REGS_FIRST): Remove.
8496 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
8497 (ix86_compute_frame_size): Likewise.
8498 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
8499 (ix86_emit_restore_regs): Remove.
8500 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
8501 when a frame pointer is in use.
8502 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
8503 instead of pop to restore a register when profitable; emit leave
8505 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
8507 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
8508 * i386.md (prologue_allocate_stack): Remove.
8509 (epilogue_deallocate_stack): Remove.
8510 (pro_epilogue_adjust_stack): New.
8512 2000-02-04 Richard Henderson <rth@cygnus.com>
8514 * function.c (diddle_return_value): Rework to use a callback function.
8515 Use current_function_return_rtx if it's been set up.
8516 (do_clobber_return_reg, clobber_return_register): New.
8517 (do_use_return_reg, use_return_register): New.
8518 (expand_function_end): Use them.
8519 * stmt.c (expand_null_return): Likewise.
8520 * function.h: Declare them.
8521 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
8522 (mark_reg): Change arguments as appropriate for callback.
8523 * integrate.c (expand_inline_function): Revert 19 Jan change.
8525 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
8527 * tm.texi (Values in Registers): Fix typo: "fo" "for".
8528 (Misc): Say the scheduler, not the Haifa scheduler.
8530 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
8532 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
8533 when in_mem is set. Update all callers.
8535 2000-02-04 Richard Henderson <rth@cygnus.com>
8537 * i386/openbsd.h (INT_ASM_OP): Define.
8539 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
8541 * tm.texi: Fix various typos.
8543 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
8545 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
8546 (MD_STARTFILE_PREFIX_1): New macro.
8548 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
8550 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
8551 destination when needed.
8552 (strmovsi, strsetsi): New expander.
8553 (strmovsi_1, strsetsi_1): New pattern.
8554 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
8555 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
8556 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
8557 * invoke.texi (align-stringops, inline-all-stringops): Document.
8559 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
8561 * i386/netbsd.h (INT_ASM_OP): Define.
8563 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
8565 * cpplib.h (cpp_reader): Add new flag, no_directives.
8566 * cpphash.c (macarg): Set it.
8567 * cpplib.c (handle_directive): If no_directives is on and we
8568 find a directive, issue an error and discard the line.
8570 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
8572 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
8573 FP constants. Add ! TARGET_FPU check for FP constants.
8575 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
8577 * flow.c (find_basic_blocks): Don't kill label_value_list
8579 (cleanup_cfg): Kill it here.
8581 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8583 * expr.c (store_field): Ensure ALIGN is no stricter than the
8586 2000-02-02 Richard Henderson <rth@cygnus.com>
8588 * jump.c (delete_insn): Partially revert 19 Jan change;
8589 don't convert unused code labels to notes at -O0.
8591 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8593 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
8594 split_all_insns to recreate REG_LABEL notes for flow2 pass.
8596 2000-02-01 Richard Henderson <rth@cygnus.com>
8598 * i386.c (general_no_elim_operand): New.
8599 (nonmemory_no_elim_operand): New.
8600 (ix86_expand_move): Copy eliminable operands before a push.
8601 * i386-protos.h: Declare new functions.
8602 * i386.h (CAN_ELIMINATE): Simplify.
8603 (PREDICATE_CODES): Update.
8604 * i386.md (push insns): Don't allow eliminable register operands.
8606 2000-02-01 Richard Henderson <rth@cygnus.com>
8608 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
8609 replace BLKmode with DECL_RTL's mode.
8611 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
8613 * frame.c (find_fde): Convert for loop to do-while so compiler
8614 sees it's always executed at least once.
8615 * libgcc2.c (BBINBUFSIZE): Kill.
8616 (__bb_init_prg): Use fgets.
8617 (__bb_exit_trace_func): Don't paste strings.
8618 * unroll.c (unroll_loop): Initialize unroll_type, not
8619 unroll_number, and tweak logic to match.
8621 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
8623 (ix86_flags_dependant): Likewise. Disentangle control flow.
8624 (ix86_sched_reorder): Break guts out to
8625 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
8626 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
8629 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
8630 use string concatenation. Don't save and restore esi.
8632 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
8633 (machname.h): Remove script to separate file. Use two-step
8634 sequence so target is not created if script fails.
8635 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
8636 identifiers are defined.
8637 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
8638 an empty string, machine_name doesn't need to do anything at
8640 (is_cxx_header): Add more cases to regexp.
8641 * fixinc/fixlib.h: Update prototype.
8642 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
8644 * fixinc/fixincl.c: Define NO_BOGOSITY.
8646 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
8647 (hp_sysfile): Add missing comma.
8648 (math_exception): Put the wrapper ifdefs at the beginning and
8649 the end of the file.
8650 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
8652 2000-02-01 Richard Henderson <rth@cygnus.com>
8654 * sparc.c (fp_zero_operand): Turn into a normal predicate.
8655 Use CONST0_RTX. Update all callers.
8656 * sparc.h, sparc-protos.h: Update accordingly.
8657 * sparc.md (fp mov insns): Use fp_zero_operand directly
8660 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8662 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
8665 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8667 * Makefile.in (specs.ready): New target.
8668 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
8670 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8672 * fixinc.irix: Use unique filenames for writing into /tmp,
8673 * fixinc.ptx: Likewise.
8674 * fixinc.sco: Likewise.
8675 * fixinc.svr4: Likewise.
8676 * fixinc.winnt: Likewise.
8678 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8680 * tsystem.h: New file.
8682 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
8683 s-crtS): Depend on tsystem.h.
8685 * crtstuff.c: Include tsystem.h.
8686 * frame.c: Likewise.
8687 * libgcc2.c: Likewise.
8689 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
8691 * builtins.c (expand_builtin_memset): Expand for variable sized
8694 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
8696 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
8699 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
8701 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
8703 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
8705 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
8707 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
8708 case 3->2 combining (combining with splitting) in which 2 is CC0
8709 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
8710 checked at the begining of the function with the aid of calling
8711 function 'can_combine_p'.
8713 2000-01-31 Dave Brolley <brolley@redhat.com>
8715 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
8717 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
8719 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
8722 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8724 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
8726 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
8729 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
8731 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
8732 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
8733 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
8734 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
8735 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
8736 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
8737 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
8738 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
8739 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
8740 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
8742 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
8743 Add %(cpp_cpu) to CPP_SPEC.
8745 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
8746 Add %(cc1_cpu) to CC1_SPEC.
8748 2000-01-28 Ulrich Drepper <drepper@redhat.com>
8750 * c-decl.c (c_decode_option): Accept optional numeric argument to
8751 -Wformat and set warn_format.
8752 * c-common.c: Don't emit warning about non-constant printf format
8753 string unless warn_format > 1.
8755 2000-01-30 Richard Henderson <rth@cygnus.com>
8757 * alpha.md (return_internal): Allow after reload only.
8759 2000-01-30 Richard Henderson <rth@cygnus.com>
8761 * i386.c (ix86_compute_frame_size): Omit padding1 if the
8762 local frame size is zero.
8764 2000-01-30 Richard Henderson <rth@cygnus.com>
8766 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
8767 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
8768 * alpha.md (return): Turn into an expander.
8769 (return_internal): Don't use $26.
8770 (epilogue): Emit the return insn.
8772 2000-01-30 Richard Henderson <rth@cygnus.com>
8774 * alpha.md (negtf2, abstf2): Fix word order thinko.
8776 (trunctfsf2): Avoid intermediate rounding errors.
8778 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
8780 * cppfiles.c (find_position): Drop 'colp' argument, return the
8782 (read_and_prescan): Adjust to match. Don't ever manipulate
8783 line or line_base except via find_position.
8785 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
8787 * c-parse.in: Apply Ulrich's changes from c-parse.y.
8788 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
8791 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
8793 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
8794 just print "<command line>". If 'filename' is null or an
8795 empty string, print "<stdin>" for the filename.
8796 * cpplib.c (do_define): Don't print the 'location of the
8797 previous definition' message if we're still parsing the
8799 (cpp_pedwarn_with_file_and_line): Always call
8800 cpp_file_line_for_message.
8802 2000-01-29 Mark Mitchell <mark@codesourcery.com>
8804 * flow.c (mark_regs_live_at_end): Fix typo.
8806 2000-01-28 Ulrich Drepper <drepper@redhat.com>
8808 * c-common.c: Adjust variable names, comments, help strings to c99.
8809 * c-lex.c: Likewise.
8810 * c-parse.y: Likewise.
8811 * c-tree.h: Likewise.
8813 * cpplib.h: Likewise.
8814 * c-decl.c: Likewise. Recognize options with names "*99" as well.
8815 * cppinit.c: Likewise.
8817 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8819 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
8820 * c4x.c: Define the optab rtx values.
8821 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
8822 (c4x_emit_libcall): Use new optab rtx values.
8823 (c4x_emit_libcall3): Likewise.
8824 (c4x_emit_libcall_mulhi): Likewise.
8825 * c4x-protos.h: Add prototypes for optab rtx values and change
8826 prototypes for above c4x_emit_libcall functions.
8828 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8830 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
8832 (c4x_function_prologue): Use regnames intead of float_reg_names when
8834 (c4x_function_epilogue): Likewise.
8835 (c4x_print_operand): Likewise.
8836 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
8837 * c4x.md (set_high): Disable for TARGET_TI.
8839 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8841 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
8842 of framepointer + constant to ADDR_REGS class.
8843 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
8844 * c4x.c (std_or_reg_operand): New function.
8845 * c4x-protos.h (std_or_reg_operand): Prototype it.
8847 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8849 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
8850 object names as libgcc2.c.
8851 * libgcc.S: Use newly defined names.
8853 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
8854 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
8856 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
8857 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
8858 (FLOW_LOOP_LAST_BLOCK): Likewise.
8860 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8862 * basic-block.h (struct loop): New fields 'first' and 'last'.
8863 * flow.c (flow_loops_find): Compute loop->first and loop->last.
8864 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
8865 and loop->last to check for NOTE_INSN_LOOP_END.
8867 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
8869 * predict.c (estimate_probability): Use the new FIRST and LAST fields
8870 of the loop descriptor rather than HEADER and LATCH. Also added
8871 missing break statements as well making some coding style modifications
8872 as suggested by Michael Hayes.
8874 2000-01-28 Richard Henderson <rth@cygnus.com>
8876 * flow.c (find_basic_blocks): Remove do_cleanup argument.
8877 Break out that code ...
8878 (cleanup_cfg): ... here.
8879 (commit_one_edge_insertion): Detect a return instruction being
8880 emitted to an edge. Emit a barrier following; clear fallthru.
8881 (commit_edge_insertions): Verify CFG consistency.
8882 * function.c (expand_function_start): Kill unused variable.
8883 (expand_function_end): Likewise.
8884 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
8885 to insert the epilogue.
8887 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
8888 (delete_null_pointer_checks): Likewise.
8889 * output.h: Likewise.
8890 * reg-stack.c (reg_to_stack): Likewise.
8891 * toplev.c (rest_of_compilation): Likewise. Run
8892 thread_prologue_and_epilogue_insns after rebuilding the CFG.
8894 2000-01-28 Richard Henderson <rth@cygnus.com>
8896 * Makefile.in (flow.o): Revert 24 Jan change.
8897 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
8898 FUNCTION_VALUE result to DECL_RESULT's mode.
8900 * haifa-sched.c (schedule_insns): Don't recompute reg info
8903 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
8905 * configure.in: Make --enable-cpplib the default.
8906 * configure: Regenerate.
8907 * gcc.dg/990119-1.c: No longer expected to fail.
8909 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
8911 * jump.c (jump_optimize_1): Delete an optimization that is also done
8912 by merge_blocks in flow.
8914 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8916 * diagnostic.c (build_message_string, output_printf,
8917 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
8918 (build_location_prefix): Fix non-literal format string.
8920 2000-01-27 Richard Henderson <rth@cygnus.com>
8922 * alpha.md (trunctfsf2): New.
8924 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
8926 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
8928 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
8930 * cppinit.c (cpp_handle_option): Recognize C++ comments under
8932 * cpplib.c (skip_block_comment, skip_line_comment): Split code
8934 (skip_comment) ... here. Permit C++ comments in system
8935 headers always. Warn about C++ comments in user code under
8936 -std=gnu89 -pedantic.
8937 (copy_comment): Use skip_comment.
8938 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
8940 (consider_directive_while_skipping, do_else, do_endif): Call
8941 validate_else unconditionally.
8942 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
8943 text after the conditional in a system header.
8944 * cpplib.h (struct cpp_buffer): Add flag
8945 warned_cplusplus_comments.
8947 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
8949 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
8950 Use unshare_all_rtl_1.
8951 (unshare_all_rtl_again): New function.
8952 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
8954 * function.c (purge_addressof_1): Use unshare_all_rtl_again
8955 rather than resetting the 'used' flags ourself.
8957 * toplev.c (rest_of_compilation): Add current_function_decl
8958 to the unshare_all_rtl call.
8959 * tree.h: Prototype unshare_all_rtl.
8960 * rtl.h: Prototype unshare_all_rtl_again here.
8962 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
8964 * genoutput.c (output_prologue): Include ggc.h in generated
8966 * Makefile.in (insn-output.o): Depends on ggc.h.
8968 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
8969 Hans-Peter Nilsson <hp@bitrange.com>
8971 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
8972 Remove redundant include of xm-ns32k.h.
8973 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
8974 Remove redundant include of xm-ns32k.h.
8975 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
8976 Remove redundant include of xm-ns32k.h.
8977 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
8979 * ns32k/ns32k.h: Update comment on multiply-add instructions.
8980 (TARGET_SWITCHES): Add documentation strings.
8981 (DWARF_FRAME_REGNUM): Override default definition.
8982 (REG_CLASS_CONTENTS): Add comments.
8983 (SUBSET_P): Format to reduce line length.
8984 (SMALL_REGISTER_CLASSES): Make a run time option.
8985 (GO_IF_NONINDEXED_ADDRESS): Reformat.
8986 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
8987 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
8988 (regclass_map): fix typo in comment.
8989 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
8990 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
8991 (trace, reg_or_mem_operand): Delete, unused function.
8992 (calc_address_cost): Small offsets are cheaper than large ones.
8993 (expand_block_move): Generate more efficient code when bytes is a
8994 known at compile time.
8995 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
8996 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
8997 instead of reg_or_mem_operand.
8999 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9000 not general_operand. Similarly use "=rm" or stricter, not "=g".
9001 For input operands, use stricter constraints than "g" if not
9002 general_operand. Similarly use stricter predicate than
9003 "general_operand" when stricter constraints than "g" are present,
9004 except for matching constraints.
9005 (movstrsi): Use "memory_operand" for operands 0 and 1.
9006 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9007 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9008 not reg_or_mem_operand.
9009 (udivmoddisi4): Ditto.
9010 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9011 Use nonimmediate_operand for operand 3, not register_operand.
9012 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9015 2000-01-27 Fred Fish <fnf@be.com>
9017 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9018 * gthr-single.h: Likewise.
9019 * gthr-solaris.h: Likewise.
9020 * gthr-vxworks.h: Likewise.
9021 * gthr-win32.h: Likewise.
9024 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9026 * cppinit.c: Add " (cpplib)" to end of string printed by
9029 2000-01-27 Richard Henderson <rth@cygnus.com>
9031 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9032 testing for a signed comparison.
9033 (alpha_emit_floatuns): New.
9034 * alpha-protos.h: Declare it.
9035 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9036 (extendsfdf2): Tidy.
9038 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9040 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9041 no -g option specifying debugging format, default to -gstabs+.
9043 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9045 * calls.c (special_function_p): New argument fork_or_exec.
9046 (expand_call): When profile_arc_flag is set and the function
9047 is in the fork_or_exec group, call __bb_fork_func first.
9048 * libgcc2.c, _bb module (__bb_fork_func): New function.
9049 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9051 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9052 * tree.h (special_function_p): Update prototype.
9054 2000-01-26 Richard Henderson <rth@cygnus.com>
9056 * alpha.c (alpha_split_tfmode_pair): New.
9057 * alpha-protos.h: Declare it.
9058 * alpha.md (abstf2, negtf2): New.
9059 (movtf insn): Add input G constraint.
9060 (movtf splitter): Use alpha_split_tfmode_pair.
9062 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9064 * i386/cygwin.h: PROTO -> PARAMS.
9066 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9068 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9069 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9070 using _Qp_cmp/_Q_cmp and testing the return value.
9071 (print_operand): Call reverse_condition_maybe_unordered if
9072 we are handling CCFPmode or CCFPEmode.
9073 Handle ORDERED, UN* and LTGT comparisons.
9074 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9075 if not TARGET_HARD_QUAD.
9076 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9077 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9078 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9079 Adjust gen_b* calls so that they reflect return comparison of
9080 sparc_emit_float_lib_cmp.
9082 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9084 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9085 incoming operands array is large enough for one more operand.
9086 (alpha_emit_xfloating_arith): Likewise.
9088 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9090 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9091 file with one line and no trailing newline.
9092 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9093 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9094 checking if the match is on the line.
9095 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9097 2000-01-25 Richard Henderson <rth@cygnus.com>
9099 * sparc.c (output_cbranch): Fix accidental squashing of the
9100 fp branch pre-delay nop.
9102 2000-01-25 Richard Henderson <rth@cygnus.com>
9104 * tree.def (UNNE_EXPR): Remove.
9105 * c-typeck.c (build_binary_op): Don't handle it.
9106 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9108 * rtl.def (UNNE): Remove.
9110 * jump.c (reverse_condition): Update accordingly.
9111 (swap_condition): Likewise.
9112 (comparison_dominates_p): Handle unordered comparisons.
9113 (reverse_condition_maybe_unordered): New.
9114 * rtl.h (reverse_condition_maybe_unordered): Declare.
9116 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9117 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9118 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9119 * sparc.md (bltgt): New.
9121 2000-01-25 Nick Clifton <nickc@redhat.com>
9123 * emit-rtl.c (emit_insn): Only check machine class insns for
9124 improper emission of a RETURN.
9126 2000-01-25 Richard Henderson <rth@cygnus.com>
9128 * Makefile.in (flow.o): Depend on $(EXPR_H).
9129 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9130 duplicate the structure of diddle_return_value for keeping regs live.
9132 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9134 * loop.c (current_loop_info): Delete.
9135 (consec_sets_invariant_p): Add loop argument, update callers.
9136 (get_condition_for_loop): Likewise.
9137 (count_nonfixed_reads, update_giv_derive): Likewise.
9138 (simplify_giv_expr, general_induction_var): Likewise.
9139 (consec_sets_giv, recombine_givs): Likewise.
9140 (move_movables): Delete loop_start and loop_end arguments,
9141 add loop argument, and update callers.
9142 (find_mem_givs, check_final_value): Likewise.
9143 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9144 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9146 (basic_induction_var): Add loop argument, delete loop_level argument,
9148 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9149 add loop argument, and update callers.
9150 (find_splittable_regs, find_splittable_givs): Likewise.
9151 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9152 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9153 (biv_total_increment): Delete loop_start and loop_end arguments;
9155 (precondition_loop_p): Delete loop_start and loop_info arguments;
9157 * loop.h (get_condition_for_loop): Add loop argument.
9158 (biv_total_increment): Delete loop_start and loop_end arguments.
9159 (precondition_loop_p): Delete loop_start and loop_info arguments;
9161 (final_biv_value): Delete loop_start and loop_end arguments;
9163 (final_giv_value, back_branch_in_range_p): Likewise.
9165 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9167 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9169 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9171 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9172 point to the new "generated_files" doc.
9174 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9176 * config/fp-bit.c (_unord_f2): Fix typo.
9178 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9180 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9181 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9182 functions obsoleted by GC, such as push_obstacks_nochange,
9183 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9184 and code which existed only to decide whether or not to call
9185 them. Remove now-unused NESTED argument from start_function;
9186 all callers changed. Do not change behavior based on ggc_p.
9187 The use of the ixp_obstack in c-iterate.c and the util_obstack
9188 in objc/objc-act.c remain; these are not obsoleted by garbage
9190 * c-tree.h: Update prototype for start_function.
9192 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9194 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9196 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9199 2000-01-25 Richard Henderson <rth@cygnus.com>
9201 * sparc-protos.h (select_cc_mode): Declare.
9202 * sparc.c (select_cc_mode): New. Handle unordered compares.
9203 (output_cbranch): Always reverse via code change. Handle
9204 unordered compares. Factor tests and string updates.
9205 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9206 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9207 * sparc.md (bunordered, bordered): New.
9208 (bungt, bunlt, buneq, bunge, bunle): New.
9210 2000-01-25 Richard Henderson <rth@cygnus.com>
9212 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9213 * ggc-common.c (ggc_add_rtx_varray_root): New.
9214 (ggc_mark_rtx_varray): New.
9215 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9216 functions down below ggc_mark_foo.
9217 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9219 2000-01-25 Richard Henderson <rth@cygnus.com>
9221 * alpha.c (secondary_reload_class): Don't allocate a secondary
9222 for integral mode memories into FLOAT_REGS. Rearrange the more
9223 complicated memory expression inward.
9225 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9227 * inclhack.def: Fixes to play nicer with FreeBSD, and
9228 corrections to comments.
9229 (cxx_unready): Add select expression.
9230 (irix_sockaddr): Add bypass expression.
9231 (machine_ansi_h_va_list): New fix.
9232 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9233 Split out addition of "#include <stdarg.h>" to...
9234 (stdio_stdarg_h): ... here.
9235 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9236 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9237 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9239 (ultrix_ifdef): Tighten up select expression.
9241 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9242 re_ct and max_mach to avoid use of shell. Make printed names
9243 match names in inclhack.def. Use static copyright date.
9244 Don't count c_test and test expressions as requiring regex_t
9245 slots. Add some commentary.
9246 * inclhack.tpl: Do not include the 'This script contains N
9247 fixup scripts' line if PROGRAM is defined. Use static
9250 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9252 * dwarf2out.c: include "varray.h", not dyn-string.h.
9253 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9254 (addr_const_to_string, addr_to_string): Lose.
9255 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9256 (struct dw_val_struct): val_addr is now an rtx.
9257 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9258 (used_rtx_varray): New varray.
9259 (dwarf2out_init): Initialize it.
9261 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9263 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9264 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9265 * Makefile.in (dwarf2out.o): Update dependencies.
9267 2000-01-24 Richard Henderson <rth@cygnus.com>
9269 * i386.c (i386_dwarf_output_addr_const): New.
9270 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9272 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9274 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9275 * i386.c (i386_simplify_dwarf_addr): New.
9276 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9278 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9280 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9281 TYPE_STUB_DECL is NULL.
9283 2000-01-24 Richard Henderson <rth@cygnus.com>
9285 * builtins.c (expand_tree_builtin): Move ...
9286 * c-common.c (expand_tree_builtin): ... here.
9288 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9290 * loop.h (LOOP_INFO): New accessor macro.
9291 * basic-block.h (struct loop): Rename field `info' to `aux'.
9292 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9293 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9294 * unroll.c (loop_iterations, unroll_loop): Likewise.
9296 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9298 * config/i386/t-cygwin: Accomodate new winsup directory layout
9299 when searching for include files.
9301 2000-01-24 Richard Henderson <rth@cygnus.com>
9303 * rtl.def: Add unordered fp comparisions.
9304 * tree.def: Likewise.
9305 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9307 * builtins.c (expand_tree_builtin): New function.
9308 * c-typeck.c (build_function_call): Use it.
9309 (build_binary_op): Support unordered compares.
9310 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9312 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9313 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9314 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9315 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9316 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9318 (swap_condition): Handle unordered compares.
9319 (thread_jumps): Check can_reverse before reversing.
9320 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9323 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9324 setcc is present before acking for cmp_optab. Update all callers.
9325 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9326 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9327 * expr.c (expand_expr): Likewise. Support unordered compares.
9328 (do_jump, do_store_flag): Likewise.
9329 * expr.h (enum libfunc_index): Add unordered compares.
9331 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9332 (DPBIT_FUNCS): Add _unord_df.
9333 * config/fp-bit.c (_unord_f2): New.
9334 * fp-test.c (main): Try unordered compare builtins.
9336 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9337 * alpha.c (alpha_comparison_operator): Check mode properly.
9338 (alpha_swapped_comparison_operator): Likewise.
9339 (signed_comparison_operator): Likewise.
9340 (alpha_fp_comparison_operator): New.
9341 (alpha_emit_conditional_branch): Handle unordered compares.
9342 * alpha.h (PREDICATE_CODES): Update.
9343 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9344 (bunordered, bordered): New.
9346 2000-01-24 Richard Henderson <rth@cygnus.com>
9348 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9349 * alpha.md (movtf): New expander, insn, and splitter.
9351 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9353 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9356 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9358 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9359 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9360 REG_ALLOC_ORDER): Add frame pointer
9361 (FRAME_POINTER_REGNUM): Set to 20
9362 (HARD_FRAME_POINTER_REGNUM): New macro.
9363 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9364 to HARD_FRAME_POINTER.
9365 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9366 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9367 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9368 (HI_REGISTER_NAMES): Add "frame".
9369 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9370 (debug_reg): Handle FRAME_POINTER_REGNUM.
9371 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9372 GENERAL_REGS and INDEX_REGS.
9373 * i386.c (SAVED_REGS_FIRST): new macro.
9374 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9375 (ix86_decompose_address, memory_address_length): Likewise.
9376 (regclass_map): Add frame pointer.
9377 (call_insn_operand): Handle frame_pointer_rtx.
9378 (reg_no_sp_operand): Likewise.
9379 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9380 (print_operand, legitimize_pic_address): Fix formating.
9381 (ix86_compute_frame_size): Make static, update prototype, new
9382 parameters padding1, padding2, use ix86_nsaved_regs, use
9383 stack_alignment_needed.
9384 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9385 to HARD_FRAME_POINTER_REGNUM conversions.
9386 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9387 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9388 (print_reg): Abort on FRAME_POINTER_REGNUM
9390 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9392 * i386.h (PREDICATE_CODES): Add aligned_operand.
9393 * i386.c (aligned_operand): New function.
9394 (ix86_aligned_p): Kill.
9395 * i386.md (movhi_1): Emit mov for aligned operands.
9396 (promoting peep2s): Use aligned_operand.
9398 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9400 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9401 expression to allow underscores in macro names.
9402 (fix_char_macro_defines): Increment scanning pointer.
9404 2000-01-23 Richard Henderson <rth@cygnus.com>
9406 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
9407 * alpha/osf5.h: New file.
9408 * configure.in (alpha-*-osf5): Add it to tm_file.
9410 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
9412 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
9413 (alpha_emit_xfloating_cvt, function_arg): Declare.
9414 * alpha.c (alpha_emit_conditional_branch): Call
9415 alpha_emit_xfloating_compare for TFmode compares.
9416 (alpha_lookup_xfloating_lib_func): New.
9417 (alpha_compute_xfloating_mode_arg): New.
9418 (alpha_emit_xfloating_libcall): New.
9419 (alpha_emit_xfloating_arith): New.
9420 (alpha_emit_xfloating_compare): New.
9421 (alpha_emit_xfloating_cvt): New.
9422 (print_operand): Add default abort case.
9423 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
9424 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
9425 (BIGGEST_ALIGNMENT): Increase to 128 bits.
9426 (RETURN_IN_MEMORY): True for TF/TCmode.
9427 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
9428 (FUNCTION_ARG): Move to function_arg.
9429 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
9430 (ASM_OUTPUT_LONG_DOUBLE): New.
9431 (ASM_OUTPUT_DOUBLE): Always output bits.
9432 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
9433 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
9434 (extenddftf2, trunctfdf2): New.
9436 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9438 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
9439 * config/sparc/sol2.h: ... here.
9441 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9443 * basic-block.h (struct loops): New field `levels'.
9444 * flow.c (flow_loops_level_compute): Traverse all outer loops.
9445 (flow_loop_level_compute): Initialise level to 1.
9446 (flow_loops_find): Set loops->levels.
9447 (flow_loops_dump): Print loops->levels.
9449 2000-01-23 Richard Henderson <rth@cygnus.com>
9451 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
9452 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
9454 2000-01-23 Richard Henderson <rth@cygnus.com>
9456 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
9457 * i386.h (DBX_REGISTER_NUMBER): Use them.
9458 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
9459 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
9460 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
9461 * i386/sequent.h: Kill incorrect comment.
9463 2000-01-23 Mark Mitchell <mark@codesourcery.com>
9465 * ggc-page.c (struct page_entry): Make `context_depth' an
9467 (struct globals): Likewise.
9469 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
9471 * loop.c (check_dbra_loop): When checking a loop for
9472 reversability, check the source of any stores to ensure
9473 they don't depend on an initial value.
9475 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9477 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
9479 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
9481 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
9482 'pz_scan' into scope of entire function. Only affects
9483 compiles with -DDEBUG.
9485 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
9487 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
9488 section naming to that prior to 2000-01-07 patch.
9489 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
9490 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
9491 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
9492 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
9493 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
9495 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
9497 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
9500 2000-01-21 Jim Wilson <wilson@cygnus.com>
9502 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
9503 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
9505 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9507 * cpphash.c (change_newlines): Delete function.
9508 (struct argdata): Delete 'newlines' and 'use_count' fields.
9509 (macroexpand): Remove code referencing those fields.
9511 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9513 * loop.c (loops_info): New variable.
9514 (loop_optimize): Allocate loops->array and free it on exit.
9515 Allocate memory for loops_info and assign to each loop,
9517 (find_and_verify_loops): Do not allocate loops->array.
9519 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9521 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
9523 2000-01-21 Jakub Jelinek <jakub@redhat.com>
9525 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
9526 pseudos if expanded after first flow.
9527 (movdi_pic_label_ref): Likewise.
9529 2000-01-20 Richard Henderson <rth@cygnus.com>
9531 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
9533 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
9535 * Makefile.in (fixinc.sh): Depend on specs.
9536 * fixinc/Makefile.in: Add rule to create machname.h.
9537 (fixlib.o): Depend on machname.h.
9538 * fixinc/fixtests.c (machine_name): New test.
9539 * fixinc/fixfixes.c (machine_name): New fix.
9540 * fixinc/fixlib.c (mn_get_regexps): New helper function for
9541 the machine_name test and fix.
9542 * fixinc/fixlib.h: Prototype it.
9543 * fixinc/inclhack.def (machine_name): Use the C test and fix.
9544 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
9546 * gcc.c (do_spec_1) [case P]: Take care not to create
9547 identifiers with three leading or trailing underscores.
9549 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
9550 (fixincl): Don't specify libraries twice on link line.
9551 (gnu-regex.o): Remove special rule.
9552 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
9553 defined by config.h. Do not define _REGEX_RE_COMP.
9554 (regcomp): Allocate and initialize a fastmap.
9555 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
9557 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
9559 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
9561 2000-01-19 Richard Henderson <rth@cygnus.com>
9563 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
9564 arguments with BB. Update all callers. Tidy line wrapping.
9566 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
9568 * emit-rtl.c (try_split): Return last_insn if we split the
9571 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
9573 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
9574 (ix86_initial_elimination_offset): Declare.
9575 * i386.c (ix86_nsaved_regs): Break out from ...
9576 (ix86_can_use_return_insn_p): ... here.
9577 (ix86_emit_save_regs): Break out from ...
9578 (ix86_expand_prologue): ... here.
9579 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
9581 (ix86_expand_epilogue): ... here.
9582 (ix86_compute_frame_size): Make static, add prototype.
9583 (ix86_initial_elimination_offset): Break out from ...
9584 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
9586 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9588 * recog.h (OUT_FCN): Delete.
9590 * vax.md: Call `get_insn_template' instead of OUT_FCN.
9592 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9594 * cppalloc.c: PROTO -> PARAMS.
9595 * cpperror.c: Likewise.
9596 * cppfiles.c: Likewise.
9597 * cpplib.c: Likewise.
9598 * cpplib.h: Likewise.
9600 * config/arm/arm-protos.h: PROTO -> PARAMS.
9601 * config/arm/arm.c: Likewise.
9602 * config/c4x/c4x.c: Likewise.
9603 * config/fr30/fr30-protos.h: Likewise.
9604 * config/nextstep.c: Likewise.
9605 * config/pa/pa.c: Likewise.
9606 * config/pj/pj.c: Likewise.
9607 * config/rs6000/rs6000.c: Likewise.
9608 * config/v850/v850-protos.h: Likewise.
9609 * config/v850/v850.c: Likewise.
9611 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9613 * i370-protos.h: New file.
9615 * i370.c: Include tm_p.h. Fix compile time warnings.
9617 * i370.h: Move prototypes to i370-protos.h. Fix compile time
9620 * i370.md: Likewise.
9622 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9624 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
9625 (target_isinf, target_isnan, eisnan): Mark parameter with
9627 (eiisinf): Wrap in INFINITY.
9628 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
9629 (ibmtoe): Remove unused variable `rndsav'.
9631 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9633 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
9634 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
9636 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
9638 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
9639 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
9640 (fix_char_macro_defines, fix_char_macro_uses): New functions.
9642 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
9643 Recognize Emacs mode markers also.
9644 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
9645 C++ comments in C++ headers. Call is_cxx_header only if
9648 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
9650 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
9651 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
9652 ... these, which use the new C fixes.
9653 (math_exception): Escape literal '+' in bypass expression.
9655 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
9658 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9660 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
9663 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9665 * loop.c (loop_optimize): Allocate loop_info structure for each loop
9666 prior to calling scan_loop.
9668 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9670 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
9671 (split_branches, calc_live_regs): Likewise.
9673 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9675 * sh.md (fpu_single, fp_mode): New attributes.
9677 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9679 * loop.c (current_loop_info): Renamed from loop_info_data
9680 and changed to a pointer.
9681 (loop_optimize): Allocate loop_info structure for each loop
9682 and initialise to zero.
9683 (scan_loop): Set current_loop_info.
9685 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
9688 2000-01-19 Richard Henderson <rth@cygnus.com>
9690 * stupid.c: Die die die.
9691 * Makefile.in (OBJS): Remove stupid.o.
9692 (stupid.o): Likewise.
9694 * except.c (emit_eh_context): Don't emit USEs for stupid.
9695 * explow.c (probe_stack_range): Likewise.
9696 * flags.h (obey_regdecls): Remove.
9697 * flow.c (find_basic_blocks): Don't run try_merge_blocks
9698 when not optimizing.
9699 (life_analysis): Limit data collection when not optimizing.
9700 (mark_regs_live_at_end): Always mark the return value registers.
9701 (mark_used_regs): Remove dummy RETURN case.
9702 (print_rtl_with_bb): Don't consult obey_regdecls.
9703 * function.c (use_variable, use_variable_after): Remove.
9704 (assign_parms): Consult optimize not obey_regdecls.
9705 (expand_function_start): Don't emit USEs for stupid.
9706 (expand_function_end): Likewise.
9707 * global.c (build_insn_chain): Export.
9708 * integrate.c (expand_inline_function): Kill return-value USE
9710 * jump.c (jump_optimize_1): Do simple jump optimizations and
9711 dead code elimination.
9712 (calculate_can_reach_end): Remove check_deleted argument.
9713 (delete_insn): Patch out insns even when not optimizing.
9714 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
9715 * rtl.h (use_variable, use_variable_after): Remove declarations.
9716 (build_insn_chain): Declare.
9717 * stmt.c (expand_value_return): Don't emit USEs for stupid.
9718 (expand_end_bindings): Likewise.
9719 (expand_decl): Likewise. Consult optimize not obey_regdecls.
9720 * toplev.c (obey_regdecls): Remove.
9721 (rest_of_compilation): Don't set it. Kill stupid in favour of
9722 flow1, local-alloc, and reload.
9723 (main): Don't set obey_regdecls.
9725 * config/nextstep.c (handle_pragma): Likewise.
9727 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
9729 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
9731 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9733 * alpha-protos.h: PROTO -> PARAMS.
9734 * alpha.c: Likewise.
9736 * h8300.c: Likewise.
9737 * i386-protos.h: Likewise.
9739 * m32r-protos.h: Likewise.
9742 * mips.md: Likewise.
9743 * gmon-sol2.c: Likewise.
9744 * sparc.c: Likewise.
9746 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9748 * ns32k-protos.h: New file.
9750 * ns32k.c: Fix compile time warnings.
9752 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
9755 * ns32k.md: Likewise.
9757 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9759 * vax-protos.h: New file.
9761 * vax.c: Fix compile time warnings.
9763 * vax.h: Move prototypes to vax-protos.h. Fix compile time
9768 * vaxv.md: Likewise.
9770 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9772 * romp-protos.h: New file.
9774 * romp.c: Fix compile time warnings.
9776 * romp.h: Move prototypes to romp-protos.h. Fix compile time
9779 * romp.md: Likewise.
9781 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9783 * we32k-protos.h: New file.
9785 * we32k.c: Fix compile time warnings.
9787 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
9790 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9792 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
9794 * except.c (eh_regs): Likewise.
9796 * final.c (output_operand): Likewise.
9798 * fold-const.c (target_isinf, target_isnan): Likewise.
9800 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9802 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
9803 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
9805 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
9807 (clrstrsi): Rewrite.
9808 (strsethi, strsetqi): New expanders.
9809 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
9810 (cmpstrsi): Emit compare insn before cmpstrsi_1
9811 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
9812 (strlensi_1): Likewise.
9813 (cmpstrsi_1): Likewise; do not output compare.
9814 (strlen expander): Do not unroll when optimizing for size.
9815 (*subsi3_carry): Rename to subsi3_carry
9816 (addqi3_cc): New pattern.
9817 * i386.h (processor_costs): Add move_ratio field.
9818 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
9819 * i386.c (*_cost): Set move_ratio.
9820 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
9821 (x86_expand_strlensi_1): Rewrite the main loop.
9823 2000-01-17 Richard Henderson <rth@cygnus.com>
9825 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
9826 * cse.c (find_comparison_args, fold_rtx): Likewise.
9827 * integrate.c (subst_constants): Likewise.
9828 * loop.c (get_condition): Likewise.
9830 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
9832 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
9834 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9836 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
9837 (RESTORE_WARN_FLAGS): Unpack it.
9838 Change semantic type of extension to ttype.
9839 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
9840 * c-parse.y, c-parse.c, objc/objc-parse.y,
9841 objc/objc-parse.c: Regenerate.
9843 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
9845 * fixinc/fixlib.c: Add copyright notice.
9846 (compile_re): New function.
9847 * fixinc/fixlib.h: Prototype compile_re.
9849 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
9850 Use compile_re to compile regular expressions.
9852 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
9853 where the pattern matched.
9855 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
9857 (ultrix_ansi_compat): Likewise.
9858 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
9860 (interactv_add2, interactv_add3): Delete.
9861 (x11_sprintf): Don't use filename glob.
9862 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
9865 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9867 * print-rtl.c: PROTO -> PARAMS.
9869 * reg-stack.c: Likewise.
9870 * resource.c: Likewise.
9871 * sdbout.h: Likewise.
9872 * simplify-rtx.c: Likewise.
9873 * stor-layout.c: Likewise.
9874 * stupid.c: Likewise.
9875 * xcoffout.c: Likewise.
9876 * xcoffout.h: Likewise.
9878 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9880 * toplev.c: PROTO -> PARAMS.
9881 * toplev.h: Likewise.
9884 * unroll.c: Likewise.
9885 * varasm.c: Likewise.
9886 * varray.c: Likewise.
9887 * varray.h: Likewise.
9889 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9891 * reload.c: PROTO -> PARAMS.
9892 * reload.h: Likewise.
9893 * reload1.c: Likewise.
9894 * reorg.c: Likewise.
9895 * resource.h: Likewise.
9898 * rtlanal.c: Likewise.
9899 * sbitmap.h: Likewise.
9900 * sdbout.c: Likewise.
9901 * stack.h: Likewise.
9903 * system.h: Likewise.
9905 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9907 * machmode.h: PROTO -> PARAMS.
9908 * mbchar.h: Likewise.
9909 * mips-tdump.c: Likewise.
9910 * mips-tfile.c: Likewise.
9911 * optabs.c: Likewise.
9912 * output.h: Likewise.
9913 * prefix.c: Likewise.
9914 * profile.c: Likewise.
9915 * protoize.c: Likewise.
9917 * recog.c: Likewise.
9918 * recog.h: Likewise.
9919 * regclass.c: Likewise.
9920 * regmove.c: Likewise.
9923 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9925 * ggc-common.c: PROTO -> PARAMS.
9926 * ggc-page.c: Likewise.
9927 * ggc-simple.c: Likewise.
9929 * global.c: Likewise.
9930 * graph.c: Likewise.
9931 * gthr-win32.h: Likewise.
9932 * haifa-sched.c: Likewise.
9933 * halfpic.h: Likewise.
9934 * integrate.c: Likewise.
9935 * integrate.h: Likewise.
9938 * local-alloc.c: Likewise.
9942 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9944 * genattr.c: PROTO -> PARAMS.
9945 * genattrtab.c: Likewise.
9946 * gencheck.c: Likewise.
9947 * gencodes.c: Likewise.
9948 * genconfig.c: Likewise.
9949 * genemit.c: Likewise.
9950 * genextract.c: Likewise.
9951 * genflags.c: Likewise.
9952 * gengenrtl.c: Likewise.
9953 * genopinit.c: Likewise.
9954 * genoutput.c: Likewise.
9955 * genpeep.c: Likewise.
9956 * genrecog.c: Likewise.
9958 2000-01-16 Mark Mitchell <mark@codesourcery.com>
9960 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
9962 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9964 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
9965 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
9966 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
9967 * configure, config.in: Rebuilt.
9969 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
9971 * config/i386/i386.md: Add peephole to merge successive stack
9974 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
9976 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
9977 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
9978 when walking backwards to find all the parameter loads when
9979 the basic block ends in a call.
9981 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9983 * loop.c (this_loop_info): Delete.
9984 (uid_loop): Add in place of uid_loop_num. All uses updated.
9985 (loop_number_exit_count): Delete and replace with entry in loop
9986 structure. All uses updated.
9987 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
9988 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
9989 (loop_outer_loop): Likewise.
9990 (loop_invalid, loop_number_exit_labels): Likewise.
9991 (loop_used_count_register): Delete and replace with entry in
9992 loop_info structure.
9993 (find_and_verify_loops): Add loops argument.
9994 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
9995 loop_end, etc. arguments with loop structure pointer. All callers
9997 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
9998 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
9999 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10000 (insert_bct): Likewise.
10001 (basic_induction_var): New argument level.
10002 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10003 vtop, and cont. Add used_count_register.
10004 (uid_loop): Delete declaration.
10005 (loop_number_exit_count): Likewise.
10006 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10007 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10008 (loop_outer_loop, loop_used_count_register): Likewise.
10009 (loop_invalid, loop_number_exit_labels): Likewise.
10010 (unroll_loop): Replace loop_start and loop_end arguments
10011 with loop structure pointer.
10012 (loop_precondition_p, loop_iterations): Likewise.
10013 Include basic-block.h.
10014 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10015 with loop structure pointer.
10016 (loop_precondition_p, loop_iterations): Likewise.
10017 * basic-block.h (struct loop): New entries vtop, cont,
10018 cont_dominator, start, end, top, scan_start, exit_labels,
10020 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10022 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10024 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10026 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10028 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10030 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10032 * pdp11-protos.h: New file.
10034 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10037 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10040 * pdp11.md: Likewise.
10042 * 2bsd.h: Likewise.
10044 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10046 * mn10300-protos.h: New file.
10048 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10051 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10054 * mn10300.md: Likewise.
10056 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10058 * mn10200-protos.h: New file.
10060 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10063 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10066 * mn10200.md: Likewise.
10068 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10070 * h8300-protos.h: New file.
10072 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10075 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10078 * h8300.md: Likewise.
10080 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10082 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10083 (asm_emit_uninitialised): Likewise.
10085 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10087 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10088 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10090 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10092 * config/mips/mips.c (override_options): Don't turn on extra
10093 alignment for mips16.
10095 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10097 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10098 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10101 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10103 * builtins.c (PAD_VARARGS_DOWN): Define.
10104 (std_expand_builtin_va_arg): Use the above macro.
10105 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10106 * tm.texi (Register Arguments): Document the above macro.
10108 2000-01-14 Nick Clifton <nickc@cygnus.com>
10110 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10111 that this function has not been used to emit a jump
10114 * jump.c (return_jump_1): Cope with being passed a null rtx.
10116 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10118 * eh-common.h: PROTO -> PARAMS.
10119 * emit-rtl.c: Likewise.
10120 * errors.c: Likewise.
10121 * errors.h: Likewise.
10122 * except.c: Likewise.
10123 * except.h: Likewise.
10124 * explow.c: Likewise.
10125 * expmed.c: Likewise.
10126 * expr.c: Likewise.
10127 * expr.h: Likewise.
10128 * final.c: Likewise.
10129 * fix-header.c: Likewise.
10130 * flow.c: Likewise.
10131 * fold-const.c: Likewise.
10132 * function.c: Likewise.
10133 * function.h: Likewise.
10135 * gcov-io.h: Likewise.
10136 * gcov.c: Likewise.
10137 * gcse.c: Likewise.
10139 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10141 * sh-protos.h: New file.
10143 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10144 Add static prototypes. Fix compile time warnings.
10146 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10150 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10152 * arc-protos.h: New file.
10154 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10157 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10160 * arc.md: Likewise.
10162 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10164 * dsp16xx-protos.h: New file.
10166 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10169 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10172 * dsp16xx.md: Likewise.
10174 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10176 * convex-protos.h: New file.
10178 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10181 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10184 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10186 * elxsi-protos.h: New file.
10188 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10191 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10194 * elxsi.md: Likewise.
10196 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10198 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10199 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10200 match the comment for MIPS16.
10202 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10204 * flow.c (split_edge): Do not call set_block_for_insn if we
10205 do not have a basic_block_for_insn structure.
10207 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10208 and destination functions are 32bit aligned within the trampoline.
10209 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10210 (TRAMPOLINE_ALIGNMENT): Define.
10212 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10213 (set (pc) (label_ref)), verify the change creates a valid insn.
10215 * fr30.c (call_operand): Tighten and rework to match rules for
10216 call RTL expressions.
10217 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10218 * fr30.md (call patterns): Improve constraints.
10220 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10222 * fr30.c (fr30_expand_epilogue): Revert last change.
10223 Use emit_jump_insn for the return insn.
10225 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10226 Stan Cox <scox@cygnus.com>
10228 * predict.c: New file. Preliminary infrastructure work for static
10229 branch prediction and basic block reordering.
10230 * basic-block.h: Add prototype for estimate_probability.
10231 * Makefile.in: Add rules for predict.o.
10233 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10235 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10236 * fixinc/*: Likewise.
10238 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10240 * cccp.c: PROTO -> PARAMS.
10241 * cexp.y: Likewise.
10242 * collect2.c: Likewise.
10243 * combine.c: Likewise.
10244 * convert.h: Likewise.
10246 * dbxout.c: Likewise.
10247 * dbxout.h: Likewise.
10248 * diagnostic.c: Likewise.
10249 * doprint.c: Likewise.
10250 * dwarf2out.c: Likewise.
10251 * dwarf2out.h: Likewise.
10252 * dwarfout.c: Likewise.
10253 * dwarfout.h: Likewise.
10254 * dyn-string.h: Likewise.
10256 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10258 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10259 macro conditionals guarding use.
10261 * dwarf2out.c: Include "tm_p.h".
10263 * function.c (locate_and_pad_parm): Mark parameter with
10265 (expand_function_end): Likewise for variable `context'.
10267 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10269 2000-01-13 Nick Clifton <nickc@cygnus.com>
10271 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10272 register to prevent compile time warnings.
10274 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10276 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10277 to avoid -Wtraditional warning.
10279 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10281 * 1750a-protos.h: New file.
10283 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10286 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10289 * 1750a.md: Likewise.
10291 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10293 * a29k-protos.h: New file.
10295 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10298 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10301 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10303 * clipper-protos.h: New file.
10305 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10308 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10311 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10313 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10315 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10317 * configure.in (--enable-new-gxx-abi): New option.
10318 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10319 * Makefile.in (GXX_ABI_FLAG): New variable.
10320 * configure: Regenerate.
10322 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10324 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10325 * tm.texi (FORCE_STRUCT_BLK): Document.
10326 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10328 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10330 * config/ns32k/ns32k.md: Revert Jan 9 change.
10332 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10333 to a mode-test, if the predicate is address_operand.
10335 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10337 * combine.c (if_then_else_cond): Be careful about what kinds
10338 of RTL expressions are passed to operand_subword.
10340 * flow.c (split_edge): If we have to insert a new jump, make
10341 sure to associate it with a basic block.
10343 * flow.c (commit_one_edge_insertion): A block with one successor
10344 can end in a JUMP_INSN that is not a simplejump.
10346 2000-01-12 Robert Lipe <robertl@sco.com>
10348 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10349 (BUILD_VA_LIST_TYPE): Define.
10350 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10353 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10355 * cccp.c (do_pragma): Add cast to (char *).
10357 2000-01-12 Richard Henderson <rth@cygnus.com>
10358 Fred Fish <fnf@be.com>
10359 Jason Merrill <jason@cygnus.com>
10361 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10362 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10363 * i386/beos-elf.h, i386/beos-pe.h: New files.
10365 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10366 * cross-make (SYSTEM_HEADER_DIR): Define using
10367 CROSS_SYSTEM_HEADER_DIR.
10369 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10370 (process_command): Use it.
10371 (main): Likewise. Kill trailing = from env vars.
10372 (build_search_list): Put it back.
10373 * collect2.c (main): Use LIBRARY_PATH_ENV.
10375 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10376 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10378 * tm.texi (Frame Layout): Document SMALL_STACK.
10379 * c-common.c (c_common_nodes_and_builtins): Check it.
10381 * system.h: Undef alloca after including glibc's <stdlib.h>,
10382 if USE_C_ALLOCA is defined.
10384 * gcc.c (set_input): New fn.
10385 (main): After all input files are compiled, reset the input file
10388 * aclocal.m4 (rindex, index): If already defined, don't attempt
10391 * ginclude/varargs.h: (__va_list__): Define ifndef.
10392 * ginclude/stdarg.h: Likewise.
10394 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10395 instead of unsigned char.
10397 * hash.h (true, false, boolean): Undef before enum.
10399 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10400 proper type of "HOST_WIDE_INT *", rather than their natural type of
10401 "unsigned HOST_WIDE_INT *".
10403 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10405 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
10407 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
10409 * regclass.c (choose_hard_reg_mode): Likewise.
10411 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
10413 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
10415 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10417 * c-common.c: PROTO -> PARAMS.
10418 * c-common.h: Likewise.
10419 * c-decl.c: Likewise.
10420 * c-iterate.c: Likewise.
10421 * c-lang.c: Likewise.
10422 * c-lex.c: Likewise.
10423 * c-lex.h: Likewise.
10424 * c-parse.in: Likewise.
10425 * c-pragma.c: Likewise.
10426 * c-pragma.h: Likewise.
10427 * c-tree.h: Likewise.
10428 * c-typeck.c: Likewise.
10429 * objc/objc-act.c: Likewise.
10430 * objc/objc-act.h: Likewise.
10432 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10434 * m88k-protos.h: New file.
10436 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
10439 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
10441 * m88k.md: Likewise.
10443 * tekXD88.h: Likewise.
10445 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10447 * m68k-protos.h: New file.
10449 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
10452 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
10454 * mot3300.h: Likewise.
10456 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
10458 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
10460 (extract_bitlist): Declare bitlen.
10462 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
10464 * cccp.c: Accept and ignore -lang-fortran.
10466 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
10467 qualifiers don't match at any level of pointerness.
10469 2000-01-12 Robert Lipe <robertl@sco.com>
10471 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
10473 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
10475 * reload1.c (reload_reg_unavailable): New static variable.
10476 (reload_reg_free_p): Test it.
10477 (reload_reg_free_for_value_p): Test it instead of
10479 (choose_reload_regs_init): Compute it.
10481 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
10483 * reorg.c (fill_slots_from_thread): Check modified_in_p
10486 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
10488 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
10489 these nodes even if INTERNALS is not set.
10491 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
10493 * gcse.c (delete_null_pointer_checks_1): Cope when
10494 get_condition cannot determine the condition.
10496 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
10498 * toplev.h (set_message_length): Declare.
10500 * diagnostic.c (obstack_chunk_alloc): Define macro.
10501 (obstack_chunk_free): Likewise.
10502 (struct output_buffer): New data structure.
10503 (vmessage): Remove.
10504 (output_maximum_width): New variable.
10505 (doing_line_wrapping, set_message_length, init_output_buffer,
10506 get_output_prefix, output_space_left, emit_output_prefix,
10507 output_newline, output_append, output_puts, dump_output,
10508 vbuild_message_string, build_message_string, build_location_prefix,
10509 voutput_notice, output_printf, line_wrapper_printf,
10510 vline_wrapper_message_with_location): New functions. Implement
10511 automatic line wrapping.
10512 (v_message_with_decl): Make it handle automatic line wrapping.
10513 (v_error_with_file_and_line): Likewise.
10514 (v_warning_with_file_and_line): Likewise.
10515 (announce_function): Likewise.
10516 (default_print_error_function): Likewise.
10518 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
10520 * cpplib.h (struct cpp_options): Change lang_asm to char.
10522 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
10523 done in cpp_handle_option now.
10524 (initialize_builtins): Take out special case code used only by
10526 (cpp_handle_option): Turn off trigraphs and trigraph warnings
10527 if -traditional. Recognize -lang-fortran and set
10528 lang_fortran, also turn off cplusplus_comments.
10529 (print_help): Document -lang-fortran.
10530 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
10531 lang_asm. Ignore all directives other than `# 123 "file"' if
10533 (cpp_get_token): If -traditional, don't recognize directives
10534 unless the # is in column 1.
10535 (parse_string): If lang_fortran or lang_asm, silently
10536 terminate strings ('' or "") at end of line.
10537 Remove unnecessary braces.
10539 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10540 Richard Henderson <rth@cygnus.com>
10542 * resource.c (mark_referenced_resources): Mark a set strict_low_part
10544 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
10545 strict_low_part when possible.
10547 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10549 * alias.c: PROTO -> PARAMS.
10550 * basic-block.h: Likewise.
10551 * bitmap.c: Likewise.
10552 * bitmap.h: Likewise.
10553 * builtins.c: Likewise.
10554 * c-aux-info.c: Likewise.
10555 * caller-save.c: Likewise.
10556 * calls.c: Likewise.
10558 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10560 * Makefile.in (toplev.o): Depend on regs.h.
10562 * output.h (tdesc_section): Prototype.
10564 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
10566 * sdbout.c: Include "tm_p.h".
10568 * toplev.c: Include "regs.h".
10570 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
10572 * unroll.c (unroll_loop): Add EH support.
10574 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10576 * pa-protos.h: New file.
10578 * pa.c: Include recog.h and tm_p.h.
10579 (compute_zdepwi_operands, compute_movstrsi_length,
10580 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
10581 find_addr_reg, import_milli): Add static prototypes.
10582 (pa_cpu_string, pa_arch_string): Constify a char*.
10583 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
10584 (read_only_operand): Add argument `mode'.
10585 (singlemove_string, output_move_double, output_fp_move_double,
10586 output_block_move, output_and, output_ior, output_ascii,
10587 remove_useless_addtr_insns, milli_names, output_mul_insn,
10588 output_div_insn, output_mod_insn, output_arg_descriptor,
10589 output_cbranch, output_bb, output_bvb, output_dbra, ,
10590 output_millicode_call, output_call, hppa_encode_label,
10591 output_parallel_movb, output_parallel_addb): Constify a char*.
10592 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
10593 (output_parallel_addb): Remove extra arg to `constrain_operands'
10595 * pa.h: Move all prototypes to pa-protos.h.
10596 (pa_cpu_string, pa_arch_string): Constify a char*.
10597 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
10599 * pa.md: Call `function_label_operand' with mode argument.
10600 Likewise for `read_only_operand'.
10601 Fix nesting of parens in call to `symbolic_operand'.
10603 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10605 * i860-protos.h: New file.
10607 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
10610 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
10612 * i860.md: Likewise.
10614 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
10616 * i386.md (movstrsi expander): Rewrite.
10617 (movstrsi_1 insn): Deleted.
10618 (strmovhi, strmovqi expander): New expanders.
10619 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
10620 * i386.c (x86_single_stringop): New global variable.
10621 * i386.h (x86_single_stringop): Declare.
10622 (TARGET_SINGLE_STRINGOP): New macro.
10624 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10626 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
10627 integer vararg POSTINCREMENT before the destination of the jump
10628 for the hard fp case.
10629 (function_arg_pass_by_reference): Pass a copy of CUM to
10632 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
10633 for CONSTANT_ADDRESS_P above while loop for subreg.
10635 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10637 * flow.c (propagate_block): When a prologue/epilogue insn
10638 is marked dead, unconditionally clear libcall_is_dead and
10639 insn_is_dead, and only dump rtl if warnings aren't being
10642 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
10644 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
10645 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
10646 (FIXED_REGISTERS): Set dirflag as fixed.
10647 (CALL_USED_REGISTERS): Set dirflag as used.
10648 (REG_ALLOC_ORDER): Set dirflag as last one.
10649 (DIRFLAG_REG): New macro.
10650 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
10651 (HI_REGISTER_NAMES): Add dirflag.
10652 (DEBUF_PRINT_REG): Handle dirflag.
10653 * i386.md (type attribute): New cld and str types.
10654 (length_opcode attribute): Set cld and str to 1.
10655 (memory attribute): Set str to unknown - it is not clear from the
10657 (pent_np function unit): Prefixed string operations takes 12 cycles
10658 minimally; cld takes 2 cycles.
10659 (ppro_uops attribute): Str is "many" and cld is "few".
10660 (ppro_p0 unit): Handle cld here.
10661 (k6_alux unit): Handle cld and str types.
10662 (k6_load unit): It is ocupied by str opcodes.
10663 (k6_store unit): It is ocupied by str opcodes.
10664 (athlon_decode): Str is vector decoded.
10665 (athlon_ieu): Handle str and cld.
10666 (cld pattern): New.
10667 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
10668 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
10669 cmpstrsi_nz_1 insn): Do not output cld instruction
10671 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
10673 * gcc.texi (G++ and GCC): Add Java and Chill.
10674 (Bug Critera): Don't list languages.
10676 * gcc.texi (Incompatibilities): No longer claim most C compilers
10679 * gcc.texi (G++ and GCC): Update other front-ends list.
10681 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
10683 * i386.c (ix86_expand_setcc): Fix typo.
10684 (ix86_expand_movcc): Similarly.
10686 * Band-aid until haifa's bitset implementation is nuked.
10687 * haifa-sched.c (extract_bitlst): New parameter for size of the
10688 bitset in bits. All callers changed. Avoid looking at undefined
10689 bits in the bitset.
10690 (edgeset_bitsize): New variable.
10691 (schedule_region): Initialize edgeset_bitsize.
10693 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10695 * Makefile.in (optabs.o): Depend on real.h
10696 (resource.o): Depend on insn-attr.h
10698 * builtins.c (result_vector): Wrap prototype in macro conditions
10699 governing definition and use.
10701 * c-common.c: Include tm_p.h.
10703 * c-lex.c: Likewise.
10705 * elfos.h: Constify a char*.
10707 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
10708 (get_attr_length, shorten_branches, profile_after_prologue): Mark
10709 parameter with ATTRIBUTE_UNUSED.
10711 * fold-const.c (exact_real_inverse): Wrap variable `i' in
10714 * haifa-sched.c (schedule_insns): Mark parameter with
10717 * optabs.c: Include real.h.
10719 * real.h (ereal_atof): Add prototype arguments.
10721 * resource.c: Include insn-attr.h.
10723 * sdbout.c (sdbout_queue_anonymous_type,
10724 sdbout_dequeue_anonymous_types): Wrap in macro
10725 SDB_ALLOW_FORWARD_REFERENCES.
10726 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
10729 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
10731 * stupid.c: Include tm_p.h.
10733 * tree.c (real_value_from_int_cst): Mark parameter with
10736 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10738 * i960-protos.h: New file.
10740 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
10743 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
10745 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10747 * combine.c (expand_field_assignment): Do not discard SUBREGs
10748 while computing nonzero_bits.
10750 2000-01-09 Nick Clifton <nickc@cygnus.com>
10752 * config/arm/arm.c: Fix compile time warnings about signed vs
10753 unsigned constants.
10754 * config/arm/arm.h: Fix compile time warnings about signed vs
10755 unsigned constants.
10757 2000-01-09 Philip Blundell <philb@gnu.org>
10759 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
10760 than `ldm' with only one register.
10761 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
10764 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
10767 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
10769 * config/ns32k/ns32k.md (load or push effective address): Operand 1
10772 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10774 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
10775 assignment used as truth value.
10777 * function.c (assign_temp): Mark parameter `dont_promote' with
10778 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
10779 PROMOTE_FOR_CALL_ONLY.
10781 * genrecog.c (write_subroutine): Mark variable `operands' with
10784 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
10787 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
10788 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
10790 * toplev.c (note_deferral_of_defined_inline_function): Likewise
10793 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10795 * config/c4x.h: Tidy up comments.
10796 * config/c4x.c: Likewise.
10798 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
10800 * fold-const.c (lshift_double, rshift_double): Handle
10801 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
10803 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10805 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
10806 in prepare_function_start().
10808 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
10810 * config/v850/v850.c (expand_epilogue): Interrupt functions no
10811 longer allocate extra stack for function calls.
10813 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10815 * config/c4x/c4x.md (*subqf3_set): Fix typo.
10817 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10819 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
10821 2000-01-07 David Edelsohn <edelsohn@gnu.org>
10823 * rs6000.c (processor_target_table): Add power3 as alias for 630.
10824 * aix43.h: Revert Aug 2 change.
10825 (HAS_INIT_SECTION): Define, not visible yet.
10826 (LD_INIT_SWITCH): Define, not visible yet.
10827 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
10829 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
10831 * collect2.c (main): Expand ld2 size further.
10832 (export_object_lst): Cast assignment to avoid warning.
10833 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
10834 (scan_prog_file, COFF): Do not collect initialization or
10835 finalization functions generated for entire shared object if
10836 init/fini support present.
10838 2000-01-07 Nick Clifton <nickc@cygnus.com>
10840 * config/elfos.h: Tidy up formatting of marcos. Make sure
10841 that .section directives are always prefixed by a tab.
10843 * config/svr4.h: Add #include "elfos.h" and remove duplicate
10846 2000-01-07 Matt Austern <austern@sgi.com>
10848 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
10851 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
10853 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
10855 (crtbegin.o, s-crtS): Likewise.
10857 2000-01-06 Richard Henderson <rth@cygnus.com>
10859 * alpha.md (adddi_2+1): Limit offset such that it will be
10860 loadable with a single ldah+lda pair.
10861 (adddi_2+2): Explicitly fail split if we can't make it work.
10863 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
10865 * protoize.c: Conditionally include unistd.h.
10866 (IS_SAME_PATH_CHAR): New macro.
10867 (IS_SAME_PATH): New macro.
10868 (CPLUS_FILE_SUFFIX): New macro.
10869 (cplus_suffix): New static variable.
10870 (is_abspath): New static function.
10871 (in_system_include_dir): Handle DOS style pathnames.
10872 (file_could_be_converted): Likewise.
10873 (file_normally_convertible): Likewise.
10874 (directory_specified_p): Likewise.
10875 (file_excluded_p): Likewise.
10876 (abspath): Likewise.
10877 (shortpath): Likewise.
10878 (referenced_file_is_newer): Likewise.
10879 (save_def_or_dec): Likewise.
10880 (do_processing): Likewise.
10882 (edit_file): Likewise. Use rename instead of link.
10883 (rename_c_file): Likewise. Don't rename syscalls file.
10884 (munge_compile_params): Define null device for DOS based systems.
10885 (process_aux_info_file): Use binary mode if appliable.
10886 (edit_file): Likewise.
10887 * invoke.texi (Running Protoize): Document C++ suffixes used.
10889 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
10890 IS_DIR_SEPARATOR macros.
10891 * collect2.c: Likewise.
10892 * cppinit.c: Likewise.
10893 * dwarf2out.c: Likewise.
10895 * gcov.c: Likewise.
10896 * prefix.c: Likewise.
10898 * toplev.c: Likewise.
10899 * system.h: And move to here.
10901 * prefix.c (update_path): Fix typo in variable name.
10903 2000-01-06 Richard Henderson <rth@cygnus.com>
10905 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
10906 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
10907 (count_reg_sets_1, count_reg_references): Likewise.
10908 (flow_loops_level_compute): Start counting actual loop depth at 1.
10909 (flow_loops_find): Likewise.
10910 * local-alloc.c (update_equiv_regs): Likewise.
10911 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
10913 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
10915 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
10916 FIRST_PSEUDO_REGISTER
10917 * dwarf2out.c: Don't include frame.h
10918 * dwarfout.c: Likewise
10919 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
10922 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
10924 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10927 * i386.c (movsf splitter): Fix typo in my last checkin.
10929 2000-01-05 Nick Clifton <nickc@cygnus.com>
10931 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
10932 own definition of this macro.
10933 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
10934 flag_data_sections or UNIQUE_SECTION_P are true.
10936 * tm.texi (UNIQUE_SECTION): Document that it can be called for
10937 unitialised data decls.
10939 * config/i386/winnt.c (i386_pe_unique_section): Cope with
10940 being called for uninitialised data.
10942 * config/i386/interix.c (i386_pe_unique_section): Cope with
10943 being called for uninitialised data.
10945 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
10946 for uninitialised data.
10948 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
10949 for uninitialised data.
10951 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
10952 for uninitialised data.
10954 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
10955 (UNIQUE_SECTION_P): Always generate a unique section if
10956 flag_data_sections is true.
10957 (UNIQUE_SECTION): Also generate unique sections for
10958 uninitialised data.
10959 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
10960 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
10963 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10965 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
10968 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10970 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
10971 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
10972 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
10973 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
10974 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
10976 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
10978 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
10980 * c-decl.c (finish_enum): Simplify code to determine minimum and
10981 maximum values of the enum, and calculate the type. Remove check
10982 for FUNCTION_DECLs in the values list, which cannot happen. Replace
10983 the DECL_INITIAL of each enumeration constant with a copy converted
10984 to the enumeration type. When updating variant types, don't bother
10985 updating the type itself.
10987 * c-typeck.c (build_binary_op): Simplify conditional expressions
10988 when weeding out spurious signed-unsigned warnings. Add new
10989 spurious warning category: if the unsigned quantity is an enum
10990 and its maximum value fits in signed_type(result_type). Update
10992 (build_conditional_expr): Warn here if one alternative is signed
10993 and the other is unsigned.
10995 2000-01-05 Nick Clifton <nickc@cygnus.com>
10997 * config/fr30/fr30.h: Remove extraneous comments.
10999 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11001 * reload1.c (choose_reload_regs): When disabling a reload, also
11002 set reload_spill_index to -1.
11004 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11006 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11008 (m68*-*-rtemself*): New target.
11009 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11010 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11011 (sparc*-*-rtemself*): New target.
11012 (sparc*-*-rtems*): Now elf not a.out.
11013 * config/i386/rtems.h: Include config/rtems.h.
11014 * config/i386/rtemself.h: Include config/rtems.h.
11015 * config/i960/rtems.h: Include config/rtems.h.
11016 * config/m68k/rtems.h: Include config/rtems.h.
11017 * config/m68k/rtemself.h: Include config/rtems.h.
11018 * config/mips/rtems64.h: Include config/rtems.h.
11019 * config/pa/rtems.h: Include config/rtems.h.
11020 * config/rs6000/rtems.h: Include config/rtems.h.
11021 * config/sh/rtems.h: Include config/rtems.h.
11022 * config/sh/rtemself.h: Include config/rtems.h.
11023 * config/sparc/rtems.h: Include config/rtems.h.
11024 * config/sparc/rtemself.h: Include config/rtems.h
11026 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11028 * final.c (shorten_branches): Correctly compute length of
11029 asms without operands.
11031 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11033 * configure.in: Add pj target.
11034 * configure: Regenerate.
11035 * config/pj: New directory.
11036 * config/pj/lib1funcs.S: New file.
11037 * config/pj/linux.h: New file.
11038 * config/pj/pj.c: New file.
11039 * config/pj/pj.md: New file.
11040 * config/pj/pjl.h: New file.
11041 * config/pj/t-pj: New file.
11042 * config/pj/xm-pj.h: New file
11044 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11046 * toplev.c (rest_of_compilation): Run shorten-branches before
11049 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11051 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11052 macros so that they're consistent with their names.
11053 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11054 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11056 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11058 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11059 modified inadvertently.
11061 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11063 * configure.in (v850*-*-rtems*): New target.
11064 * configure: Regenerate.
11065 * config/v850/rtems.h: New file.
11067 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11069 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11070 (__gthread_key_create): Likewise.
11071 (__gthread_key_dtor): Likewise.
11072 (__gthread_once): Fix logic.
11073 (__gthread_key_delete): Cast away constness.
11075 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11076 * invoke.texi: Document.
11077 * i386/mingw32.h (CPP_SPEC): Use.
11078 (LIBGCC_SPEC): Likewise.
11079 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11081 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11083 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11084 (HANDLE_PRAGMA_PACK): Undefine.
11085 (SLOW_UNALIGNED_ACCESS): Define.
11087 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11089 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11090 to default definition.
11091 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11092 (store_fixed_bit_field): Call macro with word_mode and alignment.
11093 (extract_bit_field): Call macro with relevant mode and alignment.
11094 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11095 to default definition.
11096 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11098 (move_by_pieces_ninsns): Likewise.
11099 (clear_by_pieces): Likewise.
11100 (emit_push_insn): Likewise.
11101 (store_field): Call macro with relevant mode and alignment.
11102 (expand_expr): Likewise.
11103 (expand_expr_unaligned): Likewise.
11105 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11106 (SLOW_UNALIGNED_ACCESS): Define.
11107 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11108 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11109 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11110 (toc_section): Likewise and .toc pseudo-op.
11111 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11113 (TEXT_SECTION_ASM_OP): Likewise.
11114 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11117 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11118 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11119 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11120 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11121 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11123 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11125 * regclass.c: Revert my Jan 4 change to loop cost computation.
11127 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11129 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11132 2000-01-04 Stan Cox <scox@cygnus.com>
11134 * haifa-sched.c (build_control_flow): Change unreachable simple
11135 loop test to check if current block has only one predecessor.
11136 (find_rgns): Initialize degree. Use dest as degree index, not src.
11138 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11140 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11142 * calls.c (expand_call): Likewise for
11143 `old_stack_arg_under_construction'.
11145 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11147 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11150 * gcc.c (execute): Likewise for `ut' and `st'.
11152 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11154 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11156 * jump.c (jump_optimize_1): Likewise for `temp2'.
11158 * local-alloc.c (block_alloc): Likewise for `r1'.
11160 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11162 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11163 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11165 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11168 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11169 and `goal_earlyclobber'.
11171 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11173 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11175 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11177 * unroll.c (copy_loop_body): Likewise for `copy'.
11179 * varasm.c (output_constructor): Likewise for `byte'.
11181 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11183 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11184 all FP constants for constant->reg moves.
11185 (ix86_split_to_parts): Try to convert memory address into immediate
11186 when available in the constant pool.
11187 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11189 (LEGITIMATE_CONSTANT_P): Return 1.
11190 * i386.md (pushsf): New splitter to convert constant pool memory
11191 reference to immediate.
11192 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11195 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11197 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11198 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11199 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11200 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11201 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11203 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11205 * ginclude/stdbool.h: Support compilation as C++.
11207 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11209 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11211 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11213 * regclass.c (regclass): Properly compute loop_cost. Adjust
11216 * regclass.c: Fix minor whitespace problems.
11218 2000-01-03 Anthony Green <green@cygnus.com>
11220 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11221 Restore the pic register if required.
11223 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11225 * c-common.c (format_char_info): Update comment.
11226 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11227 was recognized. Emit warning for formats new in ISO C99 only
11228 if flag_isoc9x is not set.
11230 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11232 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11234 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11236 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11237 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11238 (make_compound_operation): Choose cheaper alternative between
11239 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11241 * regclass.c (op_costs): Remove global variable.
11242 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11243 (record_operand_costs): Break out from ...
11244 (scan_one_insn): ... here.
11245 (dump_regclass): Make dumps nicer.
11246 (regclass): Dump preferrences choosed and changes done during passes.
11248 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11250 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11252 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11254 * config/sparc/sparc.c (gen_df_reg): New function.
11255 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11256 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11257 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11258 movtf_cc_reg_sp64+1): Use it.
11260 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11262 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11263 copied LABEL_DECLs.
11265 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11267 * config/i386/i386.c (ix86_expand_unary_operator): Function
11268 definition made void.
11269 (ix86_expand_binary_operator): Update outdated preceding comment.
11270 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11273 * config/i386/i386.c (override_options): Fix option-name typo.
11275 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11277 * system.h (CEIL): Define.
11278 * builtins.c (CEIL): Remove.
11279 * expmed.c (CEIL): Likewise.
11280 * expr.c (CEIL): Likewise.
11281 * stor-layout.c (CEIL): Likewise.
11283 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11285 * expr.c (store_constructor_field): Fix typo introduced with last
11288 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11290 * tree.h (BINFO_N_BASETYPES): New macro.
11292 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11294 * expmed.c (emit_store_flag): Prevent losing a pending stack
11295 adjust the same way we prevent losing queued increments.
11297 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11299 * function.c (update_temp_slot_address): Handle case where sum of
11300 temporary address plus offset in register is a valid address.
11302 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11304 * genrecog.c (change_state) Corrected typo.
11306 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11308 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11309 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11310 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11312 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11314 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11315 case, expand GT comparisons correctly. Fix a comment before this
11318 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11320 * dwarfout.c: Include "frame.h"
11321 * dwarf2out.c: Likewise.
11322 * Makefile.in (dwarfout.o): Depend on frame.h
11323 (dwarf2out.o): Likewise.
11325 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11327 Restore i386 binary compatibility in Dwarf EH info.
11328 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11329 value of FIRST_PSEUDO_REGISTER.
11330 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11331 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11332 * dwarfout.c (output_reg_number): Ditto.
11333 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11334 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11336 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11338 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11339 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11340 (<hack>_RE_CT): not needed
11341 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11342 rewritten to scan the file text once only
11343 "template<..." test added
11344 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11345 (is_cxx_header): declaration added
11346 * fixinc/fixtests.c(is_cxx_header): removed
11347 (apply_fix_p_t): removed
11348 (double_slash_test): is_cxx_header is only called once now
11349 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11350 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11351 within the templates.
11352 The borken spelling of "broken" was fixed.
11353 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11354 The default level depends on FIXINC_DEBUG.
11356 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11358 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11359 Otherwise provide a declaration for atexit.
11360 (init_dummy): Make sure dummy call to atexit is nevertheless
11361 called with correct number of args.
11363 * frame.c: Update comments referring to other files.
11365 * libgcc2.c: Likewise.
11367 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11369 * cse.c (free_element, get_element): Remove unused prototypes.
11371 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11374 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11377 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11379 * configure.in,configure: case arm for mn10200-*-* now sets
11380 float_format=i32 so that float.h will correctly claim "double"
11381 to be 32 bits. Ran autoconf to generate configure from .in file.
11383 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11385 * pa.md (conditional zero): If op1 is a register, force it into
11386 the same register as op0.
11388 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11390 * tree.h (BINFO_BASETYPES): Improve documentation.
11392 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11394 * configure.in (--enable-checking): Use a more portable `for'
11397 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11399 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11400 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11402 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11405 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
11406 Delete descriptions.
11408 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
11409 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
11410 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
11411 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
11412 xm-svr4.h: Remove all instances of sys_siglist handling.
11414 1999-12-27 Jakub Jelinek <jakub@redhat.com>
11416 * config/sparc/sparc.md (cmp_zero_qi,
11417 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
11418 cmp_zero_extendqidi2_andcc_set): New patterns.
11420 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
11422 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
11423 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
11424 (fpgnulib.c, xfgnulib.c): Add rules.
11425 * m68k/t-mot3300-gas: Likewise.
11427 1999-12-27 Ian Lance Taylor <ian@zembu.com>
11429 * configure.in: Avoid [[ by using test and changequote. Add
11430 changequote required by 1999-12-14 change.
11431 * configure: Rebuild.
11433 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
11435 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
11437 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
11439 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
11440 * flow.c (find_use_as_address): Likewise.
11441 * function.c (fixup_var_refs_1): Likewise.
11442 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
11443 * jump.c (invert_exp, redirect_exp): Likewise.
11444 * loop.c (replace_call_address): Likewise.
11445 (count_nonfixed_reads): Likewise.
11446 * rtlanal.c (modified_between_p): Likewise.
11447 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
11448 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
11449 * unroll.c (remap_split_bivs): Likewise.
11451 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11453 * diagnostic.c (v_message_with_decl): Use .* format specifier
11454 instead of building the format specifier width manually.
11456 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
11457 determining whether to provide a prototype. Remove the
11458 sys_siglist clause in the conditional.
11460 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11462 * fold-const.c (operand_equal_p): Use memcmp to compare string
11464 Suggested by D. J. Bernstein
11466 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11468 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
11469 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11471 * config/mips/mips.h (TARGET_64BIT): Likewise.
11472 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
11473 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
11474 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
11475 dsps. Give routines proper names if SI/DI modes are not used.
11476 * longlong.h: Use DWunion instead of DIunion.
11478 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
11480 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
11481 GC_CHECKING, GC_ALWAYS_COLLECT.
11482 * configure.in: Allow --enable-checking with an argument
11483 listing check modes to enable.
11484 * config.in, configure: Rebuilt.
11485 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
11486 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
11487 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
11488 ENABLE_GC_ALWAYS_COLLECT.
11489 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
11491 * tree.h, tree.c: Change ENABLE_CHECKING to
11492 ENABLE_TREE_CHECKING throughout.
11494 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11496 * fold-const.c (fold_truthop): Properly check for FP RHS.
11498 1999-12-24 Mark Mitchell <mark@codesourcery.com>
11500 * toplev.h (note_deferall_of_defined_inline_function): Declare.
11501 * toplev.c (note_deferral_of_defined_inline_function): New
11502 function, split out from ...
11503 (rest_of_compilation): ... here. Use it.
11505 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11507 * expr.c (store_constructor): Don't call clear_storage if size is
11510 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11512 * Makefile.in (toplev.o): Depend on loop.h.
11514 * dwarfout.c: Include tm_p.h.
11516 * emit-rtl.c (restore_emit_status): Mark parameter with
11519 * final.c (final_scan_insn): Likewise.
11521 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
11522 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
11523 flow_depth_first_order_compute, flow_loop_pre_header_find,
11524 flow_loop_tree_node_add, flow_loops_tree_build,
11525 flow_loop_level_compute, flow_loops_level_compute,
11526 flow_loop_outside_edge_p): Add prototypes.
11527 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
11529 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
11530 Mark with ATTRIBUTE_NORETURN.
11532 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
11534 * local-alloc.c (no_conflict_p): Likewise.
11536 * loop.c (insert_bct): Hide definitions of variables with hidden
11538 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
11540 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
11541 with ATTRIBUTE_UNUSED.
11542 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
11543 (reg_scan): Likewise.
11545 * reload.c (find_reloads): Remove unused variables `changed'.
11547 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
11549 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
11550 Remove unused variable `insn'.
11552 * toplev.c: Include loop.h.
11553 (report_file_and_line): Remove unnecessary prototype.
11555 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
11557 * unroll.c (biv_total_increment): Likewise.
11559 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11561 * reload1.c (emit_input_reload_insns): Restore old behaviour
11562 wrt. 'special' reloads.
11564 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
11566 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
11567 hash.h. (cse.c): Don't depend on hashtab.h.
11569 * cse.c: Don't include hashtab.h.
11570 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
11572 * ggc-simple.c: Don't include hash.h.
11574 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
11576 * dwarf2out.c (add_abstract_origin_attribute): Call
11577 gen_abstract_function on our function context.
11579 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
11581 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
11583 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11585 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
11588 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11590 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
11591 constraints to "a!r".
11593 1999-12-21 Mark Mitchell <mark@codesourcery.com>
11595 * Makefile.in (calls.o): Depend on function.h.
11596 (alias.o): Likewise.
11598 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
11600 * reload1.c (emit_reload_insns): Break out code and variables into...
11601 (input_reload_insns, other_input_address_reload_insns,
11602 other_input_reload_insns, input_address_reload_insns,
11603 inpaddr_address_reload_insns, output_reload_insns,
11604 output_address_reload_insns, outaddr_address_reload_insns,
11605 operand_reload_insns, other_operand_reload_insns,
11606 other_output_reload_insns): ... new static variables, and...
11607 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
11608 do_output_reload): ... new functions.
11610 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11612 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
11614 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11616 * md.texi: Add c4x constraints documentation.
11618 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11620 * config/i386/dgux.c (struct option): Rename to
11621 lang_independent_option.
11622 (struct m_options): Add description field.
11623 (output_options): Rename option type, add sep declaration, output
11624 ix86_cpu_string and ix86_arch_string only if set.
11625 (output_file_start): Rename option type.
11627 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
11629 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
11631 (libgcc2.a): Similarly.
11633 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
11635 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
11636 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
11637 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
11639 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
11641 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
11642 Remove redundant initialization of "frexpon" and "expon".
11644 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11646 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
11648 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
11649 (store_constructor_field, expand_expr): Pass new arg.
11651 1999-12-20 Mark Mitchell <mark@codesourcery.com>
11653 * Makefile.in (explow.o): Depend on function.h.
11655 * stor-layout.c (set_sizetype): Fix typo.
11657 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
11659 * function.c (cfun): Renamed from current_function. All users
11661 * function.h (cfun): Rename declaration as well.
11663 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
11664 to be of type regset_head, not regset. All users changed by adding
11666 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
11668 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11670 * config/c4x/rtems.h: New file.
11672 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
11674 * reload1.c (spill_failure): Take class of failed reload as argument
11675 and print it. Caller changed.
11677 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11679 * rs6000.h (SUBTARGET_DEFAULT): New macro.
11680 (TARGET_SWITCHES): Allow subtargets to default switches.
11681 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
11683 1999-12-18 Mark Mitchell <mark@codesourcery.com>
11685 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
11688 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
11690 * cccp.c (main): Define __STDC_VERSION__ as necessary.
11691 * cppinit.c (cpp_handle_option): Likewise.
11693 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
11694 determine when to define.
11696 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
11698 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
11699 cmove with mismatched test and data modes.
11701 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
11703 * c-typeck.c (c_expand_start_case): Don't warn for long switch
11706 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11708 * alias.c: Minor reformatting.
11709 * flow.c: Likewise.
11710 * regs.h: Likewise.
11711 * stor-layout.c: Likewise.
11712 * fold-const.c: Likewise.
11713 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
11714 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
11716 (size_int_wide): Cache nodes even if garbage collecting.
11717 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
11718 of SAVE_EXPR has no side effects.
11719 * cse.c: Move a comment.
11720 * tree.c: Minor reformatting.
11721 (int_size_in_bytes): Return -1 if constant overflows.
11723 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11725 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
11727 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
11729 * objc/objc-parse.c: Regenerate. This file must be rebuilt
11730 after any change to c-parse.in, even if objc-parse.y didn't
11733 1999-12-18 David S. Miller <davem@redhat.com>
11735 * toplev.c (rest_of_compilation): Restore BLOCK tree
11736 reconstruction and branch shortening changes lost in
11737 December 18th change.
11739 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
11741 * config/arm/linux-elf.h: Change all instances of
11742 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
11743 * config/arm/uclinux-elf.h: Likewise.
11745 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
11747 * toplev.c (notice, vmessage, v_message_with_file_and_line,
11748 v_message_with_decl, file_and_line_for_asm,
11749 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
11750 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
11751 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
11752 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
11753 pfatal_with_name, fatal_io_error, need_error_newline,
11754 last_error_function, last_error_tick, announce_function,
11755 default_print_error_function, print_error_function,
11756 report_error_function, fnotice, error_with_file_and_line,
11757 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
11758 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
11759 warning_with_decl, warning_for_asm, warning, pedwarn,
11760 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
11762 (compile_file): Use fnotice instead of notice. Adjust call.
11764 * diagnostic.c: New file.
11766 * Makefile.in (OBJS): Include diagnostic.o
11767 (diagnostic.o): Define dependence.
11769 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11771 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
11774 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11776 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
11778 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11780 * fixtests.c (is_cxx_header): New fn, split out of
11782 (else_endif_label): Allow "#endif // comment" in C++ headers,
11783 as determined by is_cxx_header.
11784 * fixfixes.c (else_endif_label_fix): Update comment.
11785 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
11787 * genfixes: Correct double thinko in commandline parsing.
11788 * hackshell.tpl: Generate correct sh syntax for bypass
11791 * inclhack.def (all): Whenever an inserted preprocessor
11792 conditional is split over multiple lines, use double
11793 backslashes in this file so the fixed header will be readable.
11795 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
11796 and add bypass entry for correct version of this header.
11797 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
11798 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
11800 (hpux8_bogus_inlines): New fix, split from...
11801 (ultrix_atof_param) ... here.
11802 (math_expression): Add bypass entry keyed to glibc comment
11803 indicating the problem has been dealt with; disable
11804 unnecessary sed operations; update commentary.
11805 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
11806 add select and bypass entries, simplify shell operation.
11807 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
11809 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
11810 ultrix_atof_param): Add select entry.
11811 (stdio_va_list, sunos_mather_decl): Add bypass entry.
11812 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
11813 comments with the fixes they describe.
11815 * c-parse.in (string action): Do not warn about ANSI string
11816 concatenation in system headers. Affects C parser only.
11817 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
11819 1999-12-16 Jakub Jelinek <jakub@redhat.com>
11821 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
11822 compiling libgcc2 the macro depends always on arch cpp defines.
11824 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
11826 * loop.c (insert_loop_mem): Don't record MEMs from inside
11829 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
11831 * regclass.c (regclass): Do not use flowgraph when not optimizing.
11833 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
11834 notes too, create one when replacement failed, attempt to simplify
11836 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
11837 or REG_EQUIV notes.
11839 1999-12-16 Mark Mitchell <mark@codesourcery.com>
11841 * crtstuff.c (__dso_handle): Declare.
11842 (__cxa_finalize): Likewise.
11843 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
11846 * invoke.texi: Document -fuse-cxa-atexit.
11848 * tree.h (ptr_type_node): Document.
11849 (const_ptr_type_node): Likewise.
11851 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11853 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
11854 (optimize_reg_copy_2): Likewise.
11855 (optimize_reg_copy_3): Likewise.
11856 (fixup_match_2): Likewise.
11857 (regmove_optimize): Likewise.
11858 (fixup_match_1): Liekwise.
11860 * i386.md (HI to SImode promoting splitters): Rewrite.
11861 (pushsf mem peep2): New.
11862 (testhi to andhi peep2): Remove.
11863 * i386.h (x86_promote_QImode): New.
11864 (TARGET_PROMOTE_QImode): New.
11865 (PREDICATE_CODES): Add promotable_binary_operator.
11866 * i386.c (x86_promote_QImode0: New.
11867 (promotable_binary_operator): New.
11868 * i386-protos.h (promotable_binary_operator): New.
11870 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
11872 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
11874 1999-12-16 Mark Mitchell <mark@codesourcery.com>
11876 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
11877 * function.c (insert_block_after_note): Remove.
11878 (retrofit_block): Likewise.
11879 (identify_blocks): Fix indentation.
11880 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
11881 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
11882 * function.h (insert_block_after_note): Remove prototype.
11883 (retrofit_block): Likewise.
11884 * integrate.c (expand_inline_function): Don't call
11885 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
11886 just expand_start_bindings. Use the block_map to remap old
11887 NOTE_BLOCKs to new ones.
11888 (integrate_decl_tree): Keep track of remapped blocks.
11889 * integrate.h (struct inline_remap): Add block_map.
11890 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
11891 NOTE_BLOCK on the notes.
11892 (expand_start_bindings): Rename to ...
11893 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
11894 (expand_end_bindings): Set NOTE_BLOCK.
11895 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
11896 reconstruct the BLOCK tree.
11897 * tree.h (expand_start_bindings): Macroize. Call ...
11898 (expand_start_bindings_and_block): New function.
11900 1999-12-16 Jakub Jelinek <jakub@redhat.com>
11902 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
11903 to match the format.
11905 1999-12-16 David S. Miller <davem@redhat.com>
11907 * expr.c (emit_move_insn_1): Only emit clobbers if one of
11908 the outputs is a SUBREG.
11909 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
11912 * config/sparc/sparc.c (epilogue_renumber): Add default case
11915 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11917 * toplev.c (rest_of_compilation): Run branch shortening after
11920 * regclass.c (loop_depth): Remove
11921 (scan_one_insn): Do not handle LOOP_NOTE insns.
11922 (regclass): Go through basic blocks and set loop_cost
11924 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
11926 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
11928 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11930 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
11931 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
11932 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
11934 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
11936 * loop.c (insert_loop_mem): Ignore memory clobbers.
11938 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
11941 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
11943 * profile.c: Remove redundant #include "output.h".
11945 * h8300.md (HImode preinc peephole): Fix typo.
11947 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
11949 * function.c (retrofit_block): Abort if we don't find a suitable insn.
11950 (insert_block_after_note): Abort if we don't have a previous block.
11951 Remove FN parameter.
11952 * function.h: Adjust.
11954 1999-12-15 Mark Mitchell <mark@codesourcery.com>
11956 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
11957 argument more than once.
11959 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
11961 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
11963 1999-12-15 Jakub Jelinek <jakub@redhat.com>
11965 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
11967 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11969 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
11970 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
11971 update stack_alignment_needed.
11972 (prepare_function_start): Initialize stack_alignment_needed
11973 * function.h (struct function): Add field stack_alignment_needed.
11975 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11977 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
11978 Handle live_throughout / dead_or_set instead of live_before /
11980 (save_call_clobbered_regs): Get register livenessinformation from
11981 chain->live_throughout.
11982 (add_stored_regs): New function.
11983 (insert_restore, insert_save): Add restored / saved registers to
11985 * global.c (reg_dies): New parameter chain.
11986 (reg_becomes_live): Third parameter is regs_set now.
11987 Changed all callers.
11988 (reg_dies): New parameter chain. Changed all callers.
11989 (build_insn_chain): Set live_throughout instead of
11990 live_before / live_after.
11991 * reload.h (struct insn_chain): Replace members live_before /
11992 live_after with live_throughout / dead_or_set.
11993 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
11994 instead of live_before / live_after.
11995 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
11996 (order_regs_for_reload, find_reg, finish_spills): Likewise.
11997 (choose_reload_regs_init): Likewise.
11998 * stupid.c (current_chain, find_clobbered_regs): Delete.
11999 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12000 instead of chain->live_before / chain->live_after.
12001 (mark_hard_ref): New function.
12002 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12004 1999-12-15 David S. Miller <davem@redhat.com>
12006 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12008 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12010 * flow.c (calculate_loop_depth): Make global, remove prototype,
12011 rewrite to use new loop infrastructure.
12012 (find_basic_block): Remove calculate_loop_depth call.
12013 * toplev.c (rest_of_compilation): Call find_basic_block.
12014 * output.h (calculate_loop_depth): Declare.
12016 * flow.c (dump_flow_info): Dump loop_depth.
12017 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12019 (flow_loops_find): Initialize the loop_depth for each basic block.
12021 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12023 * tree.c (decl_function_context): Handle virtual functions.
12025 * tlink.c (scan_linker_output): Don't look in demangled name when
12026 looking for linker output keywords.
12028 * dwarfout.c (output_type): We can defer namespace-scope classes.
12030 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12032 * regclass.c (record_reg_classes): Update comment for merging
12033 register class preferences in reg->reg copies. Tighten conditions
12034 for merging register class preferences in reg->reg copies.
12036 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12038 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12040 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12042 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12043 (INIT_SECTION_ASM_OP): Delete.
12044 (FINI_SECTION_ASM_OP): Delete.
12045 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12047 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12049 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12050 the abstract origin wasn't emitted.
12052 * dwarf2out.c (class_scope_p): New fn.
12053 (gen_subprogram_die): Use it.
12054 (gen_variable_die): Use it. Tweak logic.
12055 (gen_struct_or_union_type_die): Check context_die to determine
12056 if we're function-local.
12057 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12059 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12061 * loop.c (check_dbra_loop): Can't reverse a biv that has
12062 maybe_multiple set.
12064 1999-12-14 Nick Clifton <nickc@cygnus.com>
12066 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12069 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12071 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12072 for givs made from biv increments.
12074 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12076 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12077 * alpha.c (override_options): Recognize -mcpu=ev67.
12078 * alpha.h (CPP_CPU_EV67_SPEC): New.
12079 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12080 (EXTRA_SPECS): Update.
12082 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12084 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12085 appropriate for -lang-c89 and -std=*.
12086 * cppinit.c (cpp_handle_option): Likewise.
12087 (new_pending_define): New, split out from cpp_handle_option.
12088 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12089 or enable trigraphs for -ansi/-std=*.
12091 * ginclude/stdarg.h (__va_copy): New.
12092 (va_copy): Don't define for C89.
12094 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12096 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12097 for long long multiply-accumulate.
12099 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12101 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12102 optimizing for size.
12104 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12106 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12107 if something changed. Back out that part of yesterday's changes.
12109 * loop.c (loop_max_reg): New static variable.
12110 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12112 (scan_loop): Call reg_scan_update whenever we may have added new
12113 registers, and update loop_max_reg.
12115 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12117 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12118 when source does not die.
12120 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12122 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12124 * config/sparc/linux64.h (TARGET_LIVE_G0,
12125 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12127 * config/sparc/linux.h (TARGET_LIVE_G0,
12128 TARGET_BROKEN_SAVERESTORE): Likewise.
12129 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12130 TARGET_BROKEN_SAVERESTORE): Likewise.
12132 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12133 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12135 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12136 as sparc64 block profiling register.
12137 * config/sparc/sparc.c (sparc_override_options): Allow block
12138 profiling with -m32.
12139 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12140 profiling register.
12141 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12142 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12143 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12145 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12147 * config/sparc/sparc.h: Likewise.
12148 * config/sparc/xm-sysv4-64.h: Likewise.
12149 * config/float-sparc.h: Likewise.
12150 * glimits.h: Likewise.
12151 * longlong.h: Likewise.
12153 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12154 (ASM_IDENTIFY_GCC): Remove.
12156 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12158 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12159 (simplify_logical): Likewise.
12161 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12163 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12164 * cppfiles.c (INO_T_EQ): Likewise.
12166 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12168 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12169 * i386/mingw32.h (LIB_SPEC): Likewise.
12170 (STARTFILE_SPEC): Likewise.
12171 * i386/uwin.h (LIB_SPEC): Likewise.
12172 (STARTFILE_SPEC): Likewise.
12174 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12175 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12177 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12179 * combine.c (combine_simplify_rtx): Fix order of checks for
12180 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12182 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12184 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12185 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12187 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12189 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12191 * regclass.c (inv_reg_alloc_order): New array.
12192 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12194 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12195 counted_for_groups, counted_for_nongroups. Add fields rld and
12197 * reload.c (push_secondary_reload): Don't set nongroup field of
12199 (push_reload): Likewise.
12200 (find_reloads): Delete code to compute nongroup fields.
12201 * reload1.c (reload_insn_firstobj): New static variable.
12202 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12204 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12205 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12206 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12208 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12210 (struct hard_reg_n_uses): Deleted.
12211 (potential_reload_regs): Deleted.
12212 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12213 (reload): Don't try to allocate reload registers if we already know
12214 we have to make another pass. Call select_reload_regs. Free memory
12215 starting with reload_firstobj when starting another pass.
12216 Don't allocate spilled_pseudos.
12217 (calculate_needs_all_insns): Call copy_reloads for an insn that
12218 needs reloads; don't call calculate_needs.
12219 (spill_cost): New static array.
12220 (used_spill_regs_local): New static variable.
12221 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12222 to compute potential_reload_regs.
12223 (find_reload_regs): Completely rewritten to use find_reg.
12224 (allocate_reload_reg): Don't test counted_for_groups or
12225 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12226 all cllers changed.
12227 (choose_reload_regs): Add fallback code that uses the existing
12228 register allocation from find_reload_regs.
12230 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12232 * flow.c (create_edge_list): Cast xmalloc return value.
12234 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12236 * doprnt.c: Remove incorrect comment closure.
12238 * cse.c: Fix a few minor whitespace goofs.
12240 1999-12-13 Don Bowman <don@pixstream.com>
12242 * mips/vxworks.h: Fix problem with comment termination.
12243 (EXTRA_SECTIONS): Add in_sbss.
12244 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12246 1999-12-12 David S. Miller <davem@redhat.com>
12248 * cse.c (struct cse_reg_info): Add hash_next member,
12249 reorder rest of struct for better packing on 64-bit
12251 (cse_reg_info_tree): Kill.
12252 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12253 REGHASH_FN): New custom pow2 hash mechanism.
12255 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12256 use a pow2 hash table.
12257 (get_cse_reg_info): Rework to use new REGHASH.
12258 (new_basic_block): Likewise, use HASH_SIZE, and inline
12260 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12261 and inline free_element call.
12262 (lookup_as_function, insert, flush_hash_table, invalidate,
12263 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12264 invalidate_for_call, use_related_value, find_comparison_args,
12265 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12266 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12267 get_element): Kill.
12269 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12271 * cse.c (cse_basic_block): Free qty_table consistently.
12273 1999-12-12 David S. Miller <davem@redhat.com>
12274 Jakub Jelinek <jakub@redhat.com>
12276 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12277 SUBREGs by hand, gen the appropriate hard reg directly.
12278 (movtf reg/mem split): Likewise and alter_subreg on destination
12280 (movtf mem/reg split): Similarly.
12281 (movdf_cc_sp64): Rename from hidden pattern.
12282 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12283 (movtf_cc_sp64, following split): New pattern and splitter.
12284 (movdf_cc_reg_sp64): Rename from hidden pattern.
12285 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12287 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12289 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12291 * loop.c (load_mems): Don't hoist written floating point mem
12294 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12296 * except.h (struct eh_queue): Add `next' pointer.
12297 (struct eh_status): Make x_ehqueue a pointer.
12298 (push_ehqueue): Declare.
12299 (pop_ehqueue): Likewise.
12300 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12302 (expand_fixup_region_end): Likewise.
12303 (expand_leftover_cleanups): Likewise.
12304 (push_ehqueue): Define.
12305 (pop_ehqueue): Likewise.
12306 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12307 than doing it inline.
12308 (expand_start_all_catch): Adjust now that ehqueue is a
12310 (mark_eh_queue): Mark all level of the queue.
12311 (mark_eh_status): Adjust now that ehqueue is a
12313 (init_eh_for_function): Allocate ehqueue.
12314 (free_eh_status): Free it.
12315 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12316 expansion for a fixup.
12318 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12320 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12322 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12323 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12324 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12325 function_ptr, getpagesize, __enable_execute_stack,
12326 __enable_execute_stack, __clear_insn_cache,
12327 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12328 _cleanup, _exit, __default_terminate, __terminate_func,
12329 __terminate, __empty, __throw, new_eh_context,
12330 eh_context_initialize, eh_context_static, eh_context_specific,
12331 get_eh_context, __get_eh_context, __get_eh_info,
12332 init_reg_size_table, eh_threads_initialize,
12333 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12334 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12335 __pure_virtual): Add prototype arguments.
12336 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12337 Cast a signed value to unsigned long when comparing against one.
12338 (new_eh_context): Wrap in _GTHREADS macro.
12339 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12341 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12342 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12344 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12346 * combine.c (record_promoted_value): Remove unused variable
12349 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12351 * global.c (record_conflicts): Likewise for `j'.
12353 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12356 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12358 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12359 output_fp_compare): Constify a char*.
12361 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12363 (override_options, ix86_comp_type_attributes, print_operand,
12364 output_387_binary_op, output_fix_trunc, output_fp_compare):
12366 (ix86_sched_reorder): Mark parameter `clock_var' with
12369 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12371 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12373 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12374 operand, for use in the Java front-end.
12376 1999-12-10 Ben Collins <bcollins@debian.org>
12378 * configure.in: Fix typo for "-64" in 64bit as check.
12379 * configure: Rebuilt.
12381 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12383 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12386 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12388 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12389 concatenation is utilized.
12391 * invoke.texi (-Wtraditional): Document it.
12393 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12395 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12396 Cast a ptrdiff_t to long and pass it to printf with %ld.
12398 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12400 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12401 68881, we have no 68881 registers at all.
12402 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12403 value in a 68881 register if it is available.
12405 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
12407 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
12408 for long long multiply-accumulate.
12410 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12412 * loop.c (insert_loop_mem): Undo last change.
12414 1999-12-10 David S. Miller <davem@redhat.com>
12416 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
12418 * config/sparc/sparc-protos.h: Add them.
12419 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
12420 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
12421 constraints which use those helpers.
12422 (EXTRA_CONSTRAINT): Use this new macro.
12423 * md.texi: Update sparc target constraints documentation.
12424 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
12425 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
12426 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
12427 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
12428 (movsf high/lo_sum split): Rework for new patterns.
12429 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
12431 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12433 * c-common.c (c_common_nodes_and_builtins):
12434 Create __builtin_ptrdiff_t and __builtin_size_t.
12436 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
12438 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
12440 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12442 * regclass.c (globalize_reg): Re-instate test that allows
12443 fixed registers to be declared as a variable even after functions
12446 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12448 * i386.md (cpu attribute): Add "athlon".
12449 (athlon_decode): New attribute.
12450 (Athlon scheduling units definitions): New.
12451 (fcmp and shld patterns): Set athlon_decode to "vector".
12452 * i386.c (athlon_cost): New.
12454 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
12455 x86_use_sahf): Set for Athlon.
12456 (x86_use_fiop): Unset for Athlon.
12457 (override_options): Define Athlon alignments and "athlon" name.
12458 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
12459 * i386.h (TARGET_ATHLON): New.
12460 (enum processor_type): Add PROCESSOR_ATHLON.
12461 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
12463 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
12465 1999-12-09 Andreas Jaeger <aj@suse.de>
12467 * loop.c (record_biv): Declare parameter as int.
12469 * config/i386/i386-protos.h: Declare long_memory_operand.
12471 1999-12-09 Mark Mitchell <mark@codesourcery.com>
12473 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
12474 EXPR_WITH_FILE_LOCATION.
12476 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12478 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
12481 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
12483 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
12486 1999-12-09 Jakub Jelinek <jakub@redhat.com>
12488 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
12489 default on linux64 again.
12490 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
12491 models for multilibing.
12492 * genmultilib: Accept | as alternative separator within a set in
12495 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
12497 * calls.c (precompute_arguments): Make sure initial_value contains
12498 value pseudo which CSE expects.
12499 * cse.c (struct set): New entry orig_src.
12500 (cse_insn): Set it early on entry, use it for libcall EQUIV note
12503 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
12505 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
12507 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
12509 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
12511 1999-12-08 Jakub Jelinek <jakub@redhat.com>
12513 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
12514 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
12516 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
12519 * longlong.h: Merge in changes from glibc.
12520 Also don't clobber %g2 register in 32bit SPARC assembly, so that
12521 -mno-app-regs libgcc can be compiled.
12522 * libgcc2.c: Add defines so that the updated longlong.h
12523 can be used in libgcc2.a. Also, make sure on most architectures
12524 (at least on all which have optimized code in longlong.h defined
12525 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
12527 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12529 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
12530 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
12531 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
12533 * configure: Rebuilt.
12535 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
12537 * alpha.c (secondary_reload_class): For !BWX, sub-simode
12538 outputs require a register.
12540 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
12542 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
12543 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
12544 functions like dptoul will be resolved.
12545 (libgcc2.a): Make sure that the object files from DPBIT are named
12546 differently (prefix `_dp') from those that would be coming from
12549 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
12551 * configure.in: When target is sparc* and tm_file contains 64,
12552 test for 64bit support in assembler. If not supported, remove
12553 sparc/t-sol2-64 from target-dependent Makefile fragments.
12554 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
12555 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
12556 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
12557 * acconfig.h (AS_SPARC64_FLAG): Added.
12558 * configure, config.in: Rebuilt.
12559 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
12560 support. Use AS_SPARC64_FLAG.
12562 1999-12-07 Jakub Jelinek <jakub@redhat.com>
12564 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
12565 suitable for holding OFmode values so that gcc works with complex
12567 (hard_64bit_mode_classes): Likewise.
12569 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
12570 so that it is actually matched.
12571 (sethi_di_medlow): Likewise.
12573 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
12574 as legitimate constant if -mvis.
12575 * config/sparc/sparc.md (movtf): Likewise.
12576 (clear_sf): Use const_double_operand.
12577 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
12579 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
12580 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
12581 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
12582 routines, _Qp_* cannot be handled like that now.
12583 (INIT_TARGET_OPTABS): Likewise.
12584 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
12585 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
12586 sparc_emit_float_lib_cmp if ARCH64 and soft float.
12587 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
12588 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
12589 divtf3, sqrttf3): New expanders.
12590 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
12591 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
12592 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
12595 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
12596 * configure: Rebuilt.
12597 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
12598 -mcpu is given and we're doing 64bit compiles.
12600 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
12602 * loop.h (struct induction): Add multi_insn_incr.
12603 * loop.c (basic_induction_var): New multi_insn_incr argument.
12604 Set it if we search back through previous insns for the biv.
12605 (record_biv): New multi_insn_incr argument; fill in struct induction.
12606 (strength_reduce): Discard an iv with multiple bivs, any of
12607 which require multiple insns to increment.
12609 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12611 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
12614 1999-12-06 David S. Miller <davem@redhat.com>
12616 * combine.c (check_promoted_subreg): Do not conditionalize this upon
12617 PROMOTE_FUNCTION_RETURN.
12619 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
12621 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
12622 and handle REG_UNUSED note on insn.
12624 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
12625 inner_mask instead of mask.
12627 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
12629 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
12630 zero if there was an error.
12632 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12634 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
12637 * longlong.h: Fix clobbers in SPARC asm statements.
12639 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
12640 valid sethi operations when TARGET_ARCH64.
12642 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
12643 always use move_by_pieces to avoid infinite recursion.
12644 (restore_fixed_argument_area): Likewise.
12646 * combine.c (check_promoted_subreg, record_promoted_value): New
12648 (combine_instructions): Use them to retain nonzero and sign bit
12649 information after SUBREGs are eliminated by optimizations in
12650 this pass if PROMOTE_FUNCTION_RETURN.
12652 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
12653 .register declaration. Don't use variables with __ prefixes.
12655 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12657 * fold-const.c (optimize_bit_field_compare): Only use one mode
12658 for both RHS and LHS in non-constant case.
12660 1999-12-06 Nathan Sidwell <nathan@acm.org>
12662 * frame.c (start_fde_sort): Only allocate erratic array, if
12663 linear one was allocated. Return allocated flag.
12664 (fde_insert): Only insert, if there's a valid array.
12665 (fde_end_sort): Split, sort and merge if linear and erratic
12666 arrays exist, else just sort linear one.
12667 (search_fdes): New function. Linear search through original fde
12669 (frame_init): Permit multiple initializations. Cope with
12671 (find_fde): Fallback on linear search, if failed to sort array.
12672 (__deregister_frame_info): Only free sorted array, if we
12675 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12677 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
12679 1999-12-05 Jakub Jelinek <jakub@redhat.com>
12681 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
12683 1999-12-05 Mark Mitchell <mark@codesourcery.com>
12685 * tree.h (special_function_p): Declare.
12686 * calls.c (special_function_p): Make it global. Don't take `name'
12687 as a parameter. Fix typo in 1999-11-28 change.
12688 (expand_cal): Adjust.
12690 1999-12-04 Mark Mitchell <mark@codesourcery.com>
12692 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
12693 * tree.h (EXPR_WFL_FILENAME): Define in terms of
12694 EXPR_WFL_FILENAME_NODE.
12695 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
12697 * print-tree.c (print_note): Print TREE_PRIVATE and
12700 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
12701 the original die cannot be found.
12703 * varray.h (varray_head_tag): Add elements_used.
12704 (VARRAY_PUSH): New macro.
12705 (VARRAY_POP): Likewise.
12706 (VARRAY_TOP): Likewise.
12707 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
12709 * varray.c (varray_init): Initialize elements_used.
12710 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
12711 (INTEGRATE_H): New variable.
12712 (integrate.o): Depend on INTEGRATE_H.
12713 (unroll.o): Likewise.
12715 * function.h (insert_block_after_note): Declare.
12716 * function.c (insert_block_after_note): Split out from ...
12717 (retrofit_block): ... here.
12719 * stmt.c (expand_fixup): Fix typo in comment.
12721 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12723 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
12724 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
12725 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
12726 (regmove_optimize, fixup_match_1): Likewise.
12728 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12730 * flow.c (flow_loops_dump): Add missing argument when calling
12731 flow_loop_nested_p.
12733 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
12734 Greg McGary <gkm@gnu.org>
12736 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
12737 (init_attributes): Add A_NO_LIMIT_STACK.
12738 (decl_attributes): Handle A_NO_LIMIT_STACK.
12739 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
12740 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
12741 Handle stack bounds checking.
12742 * flags.h (flag_stack_check): Use the word 'probe' rather than
12743 'check', because the flag doesn't actually cause any checking to
12745 * function.c (expand_function_start): Set
12746 current_function_limit_stack.
12747 * function.h (struct function): Add limit_stack.
12748 (current_function_limit_stack): Define.
12749 * invoke.texi (Code Gen Options): Document new options.
12750 * rtl.h: Declare stack_limit_rtx.
12751 * toplev.c (stack_limit_rtx): New variable.
12752 (decode_f_option): Handle new options -fstack-limit-register=REG,
12753 -fstack-limit-symbol=IDENT, -fno-stack-limit.
12754 (main): Add stack_limit_rtx as GC root.
12755 * tree.h (DECL_NO_LIMIT_STACK): New macro.
12756 (struct tree_decl): New member no_limit_stack.
12758 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
12760 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
12761 (conditional_trap+1): Get new mnemonic correct.
12762 (conditional_trap+2): New pattern for DImode traps.
12764 * config/m68k/m68k.c (output_function_prologue): Handle
12766 * config/m68k/m68k.md (trap): New insn.
12767 (conditional_trap): New insn.
12768 * md.texi (Standard Names): Document `trap' and
12769 `conditional_trap'.
12770 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
12771 so a cc0 setter doesn't get emitted at some random place in the
12774 * config/i960/i960.md (trap): New insn.
12775 (conditional_trap): New expander.
12776 (conditional_trap+1, conditional_trap+2): New insns for signed
12777 and unsigned cases.
12778 * config/i960/i960.c (i960_function_prologue): Use
12779 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
12781 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
12782 Geoffrey Keating <geoffk@cygnus.com>
12784 * flags.h (warn_padded, warn_packed): Add global var decls.
12785 * toplev.c (warn_padded, warn_packed): Add global var defns.
12786 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
12787 * stor-layout.c (layout_record): Add local variable `type'
12788 to hold often-used TREE_TYPE (field). Add local variable
12789 `unpacked_align' to hold alignment that would be in force
12790 if no `packed' attribute were present. Warn if `packed' attribute
12791 is unnecessary, or even harmful. Warn when gcc inserts padding
12792 to satisfy alignment requirements of members. Use NULL_TREE
12793 when checking whether var_size is set.
12794 * invoke.texi: Document new flags.
12796 1999-12-03 Nathan Sidwell <nathan@acm.org>
12798 * frame.c (fde_split): Reimplement to avoid variable sized array.
12800 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12802 * combine.c (try_combine): Before fixing up LOG_LINKS for the
12803 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
12805 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
12807 * invoke.texi: Document the mips option -mno-crt0
12809 1999-12-02 Mike Karr <mkarr@mathworks.com>
12811 * cccp.c (argdata): Added free_ptr member.
12812 (macroexpand): Initialize free_ptr of each argument. When an
12813 argument's buffers are freed, if the argument's free_ptr corresponds
12814 to a buffer on the input stack, then return the free_ptr to that stack
12815 frame, otherwise, free it.
12816 (macarg): If an argument begins and ends on the same input stack level,
12817 then transfer the free_ptr of that buffer to the argument in case
12818 the stack is popped during the processing of a subsequent argument.
12820 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
12822 * loop.c (note_reg_stored): New function.
12823 (struct note_reg_stored_arg): New structure.
12824 (try_copy_prop): Change to be more conservative; only replace within
12825 one extended basic block and stop replacing if a store to the
12826 replacement reg is seen.
12828 1999-12-02 Nick Clifton <nickc@cygnus.com>
12830 * config/fp-bit.c: Initialise all fields of the NAN
12833 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
12836 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
12838 * i386.md (extend?f?f2): Force the input into a register, not
12841 1999-12-01 Jakub Jelinek <jakub@redhat.com>
12843 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
12845 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
12846 alternative because setting up 64bit constant is usually costly,
12847 especially when reload is in progress or completed.
12848 (movdf_const_intreg_sp64): Likewise.
12849 (movdf_const_intreg split): Fix building up constants when
12850 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
12852 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
12854 * combine.c (if_then_else_cond): Use const_true_rtx instead of
12855 const1_rtx for return values in EQ/NE comparison against (const_int 0)
12858 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
12859 (asm_file_start): Emit .am33 into assembly file when compiling for
12861 (print_operand_address): Handle POST_INC addresses.
12862 (can_use_return_insn, initial_offset): Check AM33 registers too.
12863 (expand_prologue): Check & save AM33 registers too.
12864 (expand_epilogue): Similarly.
12865 (secondary_reload_class): Handle AM33 specific secondary reloads.
12866 (output_tst): Emit efficient code for the AM33 too.
12867 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
12868 (TARGET_SWITCHES): Add -mam33 switch.
12869 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
12870 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
12871 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
12872 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
12873 (enum reg_class, REG_CLASS_NAMES): Likewise.
12874 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
12875 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
12876 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
12877 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
12878 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
12879 (HAVE_POST_INCREMENT): Define.
12880 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
12881 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
12882 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
12883 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
12884 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
12885 (zero_extend to SI from QI/HI): Likewise.
12886 (sign_extend to SI from QI/HI): Likewise.
12887 (mulsidi3, umulsidi3): New patterns for the AM33.
12888 (tstsi with zero extension from QI/HI): Add AM33 variants.
12889 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
12890 (return_internal_regs, store_movm): Handle new AM33 registers.
12891 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
12892 (LIBGCC, INSTALL_LIBGCC): Likewise.
12893 * invoke.texi: Document new flags.
12895 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12897 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
12898 (addsi3_carry): Likewise.
12899 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
12900 (sbbsi3_carry): Likewise.
12901 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
12902 (mulhi3): Likewise.
12903 (test?i_1): Ensure that only one operand is memory.
12904 (conditional move patterns): likewise.
12905 (shift and rotate patterns): Rewrite to expander, add
12906 "binary_operator_ok" to the condition.
12908 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
12909 * i386.h (procesor_costs): Add movzbl_load field.
12910 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
12911 non-Q registers, accept DImode registers anywhere.
12913 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
12914 * i386.c (*_cost): Set value for movxbl_load field.
12916 * (addsi): New add to lea splitter.
12917 (ashlsi): Likewise.
12918 (lea to add/shift peep2): New.
12920 1999-12-01 Mark Salter <msalter@cygnus.com>
12922 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
12923 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
12924 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
12926 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12928 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
12929 * i386.md (movsi_xor): New.
12931 (movsi_1, movhi_1, movqi_1): Remove.
12932 (movsi_2): Rename to movsi_1.
12933 (movhi_2): Rename to movhi_1.
12934 (movqi_2): Rename to movqi_1.
12935 (movdi_1): Remove; remove splitter.
12936 (movdi_2): Rename to movdi_1.
12937 (divmodsi4 splitter): Do not emit clobbers for move patterns.
12938 (long move peep2): Do not create QI or HI mode mov0s
12939 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
12941 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
12944 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
12945 (abs?f2_if): Likewise.
12947 1999-11-30 Alex Samuel <samuel@codesourcery.com>
12949 * ggc.h (ggc_test_and_set_mark): New macro.
12950 (ggc_mark_rtx): Use ggc_test_and_set_mark.
12951 (ggc_mark_tree): Likewise.
12952 (ggc_mark_rtvec): Likewise.
12953 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
12955 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
12957 * dwarf2out.c (scope_die_for): Only handle types. Only search for
12959 (decl_scope_table): Just an array of trees now.
12960 (push_decl_scope): Simplify.
12961 (dwarf2out_init): Adjust.
12962 (local_scope_p): New fn.
12963 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
12964 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
12965 (gen_typedef_die): Likewise.
12966 (gen_lexical_block_die): Don't call push/pop_decl_scope.
12967 (gen_inlined_subroutine_die): Likewise.
12968 (gen_abstract_function): Set current_function_decl temporarily.
12969 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
12970 Handle block extern declarations. Don't call push/pop_decl_scope.
12971 (gen_decl_die): Fix logic for block externs.
12973 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12975 * calls.c (special_function_p): Remove `realloc' and add `strdup'
12976 to the list of functions which have attribute malloc by default.
12978 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12980 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
12981 integer constant does not match the traditional type, limit the
12982 warnings to cases where the base of the type is ten.
12984 * invoke.texi (-Wtraditional): Document it.
12986 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12988 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
12989 * rs6000.md: Only access a CONST_INT with INTVAL
12991 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
12993 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
12994 (compute_nearerout): Likewise.
12995 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
12996 size_t to unsigned long for formatting.
12998 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13000 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13001 Allow the user to override call-used/fixed state of %g2-5
13002 registers from the command line (with the exception of %g4 for
13004 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13005 there is a higher chance of having a leaf function.
13006 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13007 for ARCH64 which has %ccr register.
13008 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13010 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13011 insn accept into delay slot any insn which does not use %[ol]
13012 registers. Accept some LO_SUM and shift left by 1 for the normal
13014 (output_function_epilogue): Likewise.
13015 (epilogue_renumber): Added argument which inhibits any renumbering
13016 and just tests if the rtx does not use any %[ol] registers.
13017 (output_return): Reflect above change.
13019 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13021 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13022 aggregate passing for sizes <= 16 bytes.
13024 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13026 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13027 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13028 * reload.c (find_dummy_reload): Likewise.
13029 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13030 * reload1.c (reload_as_needed): Likewise.
13031 * stupid.c (stupid_find_reg): Likewise.
13032 * tm.texi (Obsolete Register Macros): Delete section.
13033 * gmicro.h: Remove all traces of the two macros.
13034 * i386.h: Likewise.
13035 * m88k.h: Likewise.
13036 * mips.h: Likewise.
13038 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13040 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13041 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13042 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13043 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13044 units for the sparclite86x chip.
13045 (flush): Revert October 14th change; add SImode specifically.
13046 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13047 * invoke.texi: Document it.
13049 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13051 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13052 psimode_truncation_operand.
13054 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13055 function. Return true if the operand is either a MEM valid
13056 for a PSImode address or not a MEM at all.
13058 * config/mn10200/mn10200.md (truncsipsi2): Use
13059 psimode_truncation_operand.
13061 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13063 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13064 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13065 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13066 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13067 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13068 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13069 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13070 * basic-block.h: Protect from multiple inclusion.
13071 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13072 (struct loops, struct loop): Define structures.
13073 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13074 * sbitmap.h: Protect from multiple inclusion.
13075 (sbitmap_a_subset_b_p): Add prototype.
13076 * Makefile.in (LOOP_H): New macro.
13077 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13079 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13081 * cppinit.c (CAT): The argument list of this macro may not contain
13084 1999-11-29 David S. Miller <davem@redhat.com>
13086 Move quantity tables and register equivalence chains into
13087 per-qty and per-register structure arrays respectively.
13088 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13089 qty_const_insn, qty_comparison_code, qty_comparison_const,
13090 qty_comparison_qty): Delete, replace with...
13091 (qty_table): this structure table.
13092 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13093 (reg_eqv_table): this structure table.
13094 (make_new_qty): Add argument MODE. Caller updated.
13095 Update to use qty_table and reg_eqv_table.
13096 (make_regs_eqv, delete_reg_equiv, insert_regs,
13097 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13098 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13099 cse_process_notes, cse_main, cse_basic_block): Likewise.
13101 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13103 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13104 operation if C is negative.
13105 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13106 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13107 law for some divisions if constant is negative and change other
13108 divisions to the opposite rounding.
13110 * expr.c (store_constructor_field): If bit position is not multiple
13111 of alignment of TARGET's mode, use BLKmode.
13113 * expr.c (expand_expr_unaligned): Add more code from full case
13114 that is needed when OP0 is in a register.
13116 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13118 * dwarfout.c (field_byte_offset): Size can be zero if there was
13121 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13123 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13124 (associate_trees): Delete unused var TEM.
13125 (extract_muldiv): Delete unused var CANCEL_P.
13127 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13128 (target_isinf, target_isnan, target_negative): Add return types to
13129 function definitions.
13131 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13133 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13134 * fixinc/hackshell.tpl: ditto
13135 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13136 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13138 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13140 * reload.c (push_reload): When looking for a register to put into
13141 reg_rtx, make sure all hard regs in a multi-reg register are in the
13142 right class and nonfixed.
13144 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13145 pending_read_insns, pending_write_insns, pending_read_mems,
13146 pending_write_mems, pending_list_length, last_pending_memory_flush,
13147 last_function_call, sched_before_next_call): Move static variables
13149 (bb_ prefixed versions): Replace with single array bb_deps.
13150 (struct deps): New structure.
13151 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13152 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13153 argument of type "struct deps *"; use that instead of global
13154 variables. All callers changed.
13155 (init_rgn_data_dependencies): Delete function.
13156 (init_rtx_vector): Delete function.
13157 (init_deps): New function.
13159 (free_pending_lists): Simplify, we always use the bb_deps array even
13160 if only one basic block.
13161 (compute_block_backward_dependences): Likewise.
13162 (schedule_region): Likewise.
13164 (propagate_deps): New function, broken out of
13165 compute_block_backward_dependences.
13166 (compute_block_backward_dependences): Use it.
13168 * alpha.md: Delete useless patterns that tried to work around
13169 register elimination problems.
13171 * unroll.c (loop_iterations): Don't abort if iteration variable
13174 From Joern Rennecke:
13175 * reload1.c (reloads_conflict): Reverse test comparing operand
13176 numbers when testing for conflict between output/outaddr reloads.
13178 1999-11-29 David S. Miller <davem@redhat.com>
13180 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13182 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13184 1999-11-28 Robert Lipe <robertl@cygnus.com>
13186 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13187 table from .fini into .dtor.
13189 1999-11-28 Anthony Green <green@cygnus.com>
13191 * tree.h (struct tree_decl): Add malloc_flag.
13192 (DECL_IS_MALLOC): Define.
13193 * c-common.c (attrs): Add A_MALLOC attribute.
13194 (init_attributes): Add this attribute to the table.
13195 (decl_attributes): Handle malloc attribute.
13196 * calls.c (special_function_p): Check for the malloc attribute.
13197 * extend.texi (Function Attributes): Document malloc attribute.
13199 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13201 * pa.md (reload shift-add patterns): Remove.
13203 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13205 * reorg.c (dbr_schedule) Print more statistics. Corrected
13206 problem when printing info when 3 delay slots are filled.
13208 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13210 * combine.c (setup_incoming_promotions): Pass an outgoing
13211 regno to FUNCTION_ARG_REGNO_P which it expects.
13213 1999-11-28 Andreas Jaeger <aj@suse.de>
13215 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13217 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13219 * cccp.c (do_include): Avoid initialization of automatic variable.
13221 * integrate.c (mark_stores): Function definition made void, to match
13222 previous declaration.
13223 * regclass.c (dump_regclass): Ditto.
13224 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13226 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13228 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13229 known to be multiple of divisor.
13231 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13233 * combine.c (try_combine): Add code to try to merge a set of a
13234 two-word pseudo to a constant with a setting of one of those words
13237 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13238 (split_tree): Completely rework to make more general.
13239 (make_range, fold): Call negate_expr.
13240 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13241 (fold, associate): Call new split_tree and associate_trees.
13242 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13244 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13246 * loop.c (try_copy_prop): Avoid GNU C extension.
13248 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13250 * except.c (init_eh_for_function): Still zero eh_return_context,
13251 eh_return_stack_adjust, and eh_return_handler.
13253 * except.h (eh_status): Adjust documentation for x_protect_list.
13254 (begin_protect_partials): New function.
13255 * except.c (enqueue_eh_entry): Fix formatting.
13256 (get_first_handler): Add consistency check.
13257 (add_partial_entry): Adjust usage of protect_list.
13258 (emit_cleanup_handler): Save and restore ehqueue.
13259 (expand_start_all_catch): Add comment.
13260 (begin_protect_partials): New function.
13261 (end_protect_partials): Adjust usage of protect_list.
13262 (init_eh_for_function): Use xcalloc.
13264 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13266 * c-common.c (check_format_info): Don't call a variadic function
13267 with a non-literal format string.
13269 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13271 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13272 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13275 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13278 * collect2.c (collect_wait): Likewise.
13280 * dbxout.c (dbxout_type): Likewise.
13282 * gcc.c (do_spec_1): Likewise.
13284 * genemit.c (gen_insn, gen_expand): Likewise.
13286 * genrecog.c (write_switch, write_subroutine): Likewise.
13288 * mips-tfile.c (catch_signal, botch): Likewise.
13290 * print-rtl.c (print_rtx): Likewise.
13292 * toplev.c (default_print_error_function, report_error_function,
13293 _fatal_insn): Likewise.
13295 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13297 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13299 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13301 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13302 operations when needed.
13303 * i386.md (fop_?f_comm): New.
13304 (fop_?f_1): Do not accept commutative operands.
13306 1999-11-25 Andreas Jaeger <aj@suse.de>
13308 * config/mips/mips.md (casesi_internal): Add missing brace.
13310 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13312 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13313 (splice_child_die): Handle moving a child DIE from the declaration
13314 DIE of a class to its specification.
13315 (gen_struct_or_union_type_die): Use 'complete' consistently.
13316 (gen_decl_die): Generate the virtual context DIE first.
13317 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13319 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13321 * config/mips/mips.md (call_value_multiple_interanal1): New.
13323 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13325 * dwarf2out.c (free_AT, free_die): New fns.
13326 (remove_children): Call them.
13327 (output_line_info): Disable removal of duplicate notes.
13329 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13330 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13331 means pretend the type isn't defined.
13332 Don't defer emitting types.
13333 (gen_type_die_for_member): New fn.
13334 (gen_decl_die): Call it.
13335 (splice_child_die): New fn.
13336 (gen_member_die): Call it rather than generate duplicate dies.
13338 Defer emitting information for the abstract instance of an inline
13339 until we either inline it or emit an out-of-line copy.
13340 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13341 from output_inline_function if DECL_ABSTRACT is also set.
13342 (block_ultimate_origin): Likewise.
13343 (gen_abstract_function): New fn.
13344 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13345 (gen_subprogram_die): An abstract instance is not a declaration
13346 just because it doesn't match current_function_decl. Don't abort
13347 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13348 has an abstract origin.
13349 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13350 abstract instance here.
13352 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13354 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13355 where we need to reload fpul from a system register.
13357 1999-11-24 Andreas Jaeger <aj@suse.de>
13359 * config/mips/linux.h (CPP_PREDEFINES): Added.
13360 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13362 1999-11-24 Andreas Jaeger <aj@suse.de>
13364 * config/mips/linux.h (TARGET_VERSION): Added.
13365 (HANDLE_SYSV_PRAGMA): Added.
13366 (DEFAULT_VTABLE_THUNKS): Added.
13368 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13370 * local-alloc.c (qty): New structure and static variable.
13371 (qty_phys_reg): Remove, all references changed to qty.
13372 (qty_n_refs): Likewise.
13373 (qty_min_class): Likewise.
13374 (qty_birth): Likewise.
13375 (qty_death): Likewise.
13376 (qty_size): Likewise.
13377 (qty_mode): Likewise.
13378 (qty_n_calls_crossed): Likewise.
13379 (qty_alternate_class): Likewise.
13380 (qty_changes_size): Likewise.
13381 (qty_first_reg): Likewise.
13382 (alloc_qty): Rename variable QTY to QTYNO.
13383 (finf_free_reg): Likewise.
13384 (local_alloc): Allocate qty, do not allocate the removed variables.
13386 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13388 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13389 when -membedded-pic is passed.
13391 * config/mips/mips.md (casesi): Handle 64-bit case too.
13392 (casesi_internal_di): New insn.
13394 * config/mips/mips.c (embedded_pic_offset): Always make the
13395 embedded-pic subtractions relative to the name of the current
13396 function by use of the magic string "..CURRENT_FUNCTION".
13397 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13399 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13401 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13402 of (const_int 0), when what we really care about is
13403 whether it's a zero constant anyway.
13404 (div_trap_mips16): Likewise.
13406 1999-11-23 Mark Mitchell <mark@codesourcery.com>
13408 * loop.c (loop_optimize): Always find_loop_tree_blocks and
13409 unroll_block_trees when generating debuggable code.
13411 * tree.h (unsave_expr_1): New function.
13412 (lang_unsave): New variable.
13413 (get_callee_fndecl): New function.
13414 * tree.c (unsave_expr_now_r): New function.
13415 (lang_unsave): Define.
13416 (unsave_expr_1): Likewise.
13417 (unsave_expr_now_r): Split out from unsave_expr_now.
13418 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
13419 call unsave_expr_now_r.
13420 (get_callee_fndecl): Define.
13422 * Makefile.in (gencheck): Don't depend on lang_tree_files.
13423 (gencheck.o): Do depend on lang_tree_files.
13425 * integrate.h (copy_decl_for_inlining): New declaration.
13426 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
13427 (copy_decl_for_inlining): New function.
13428 (integrate_parm_decls): Use it.
13429 (integrate_decl_tree): Likewise.
13431 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
13433 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
13434 the second two from the first.
13435 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
13436 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
13437 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13439 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
13440 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13443 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
13445 * pa.md (call_internal_symref, call_value_internal_symref): No mode
13446 needed on the address operand.
13447 * pa.c (call_operand_address): Check for the correct mode.
13449 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
13451 * loop.c: Include "basic-block.h".
13452 (try_copy_prop, replace_loop_reg): New functions.
13453 (load_mems): Detect registers that just hold copies of the hoisted
13454 mem, and call try_copy_prop to eliminate them.
13455 * Makefile.in (loop.o): Update dependencies.
13457 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
13459 * Makefile.in (gencheck.o): Depend on gencheck.h.
13460 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
13461 (insn-peep.o): Depend on except.h and function.h.
13462 (insn-attrtab.o): Depend on RECOG_H.
13463 (insn-output.o): Depend on toplev.h and flags.h.
13464 (gengenrtl.o): Depend on real.h.
13465 (gen-protos.o): Depend on cpplib.h and cpphash.h.
13466 Unify all dependencies to be on RECOG_H rather than recog.h.
13468 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13470 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
13471 * configure.in: Try building a bi-arch 32/64-bit compiler on
13472 sparc-*-solaris2.7 and higher.
13473 * configure: Rebuild.
13475 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
13477 * config/freebsd.h: New, FreeBSD architecture independent file.
13478 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
13479 independent pieces.
13480 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
13481 directly by i386/freebsd.h.
13482 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
13483 independent configuration file.
13484 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
13485 directly by i386/freebsd.h.
13486 * configure: Rebuilt.
13488 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
13489 which is in the user's namespace.
13490 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
13491 `i386' which is not in our namespace.
13493 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
13495 * invoke.texi (ARM Options): Add in -mno-alignment-traps
13497 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13499 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
13500 (add_dwarf_attr, add_child_die): Just push onto the front.
13501 (reverse_die_lists): New fn.
13502 (add_sibling_attributes): Use it.
13503 (push_decl_scope): Reorganize.
13504 (add_name_and_src_coords_attributes): Don't set file and line for
13505 an artificial decl.
13506 (gen_subprogram_die): An artificial function doesn't need to match
13508 (gen_compile_unit_die): Return the generated die. Only add
13509 AT_comp_dir if the filename is relative.
13510 (remove_AT): Simplify loop. Also free string values.
13511 (output_die): A DIE ref can't be null.
13512 (output_value_format, value_format): Take a dw_attr_ref.
13513 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
13514 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
13515 AT_addr, AT_lbl): New fns.
13516 (various): Use them.
13517 (various): Constify.
13519 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13521 * combine.c (combine_simplify_rtx): When handling a SUBREG,
13522 take SUBREG_WORD into account.
13523 (if_then_else_cond): Likewise.
13525 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13527 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
13528 clause from BSD license, pursuant with
13530 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
13532 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
13534 * loop.c (load_mems): Reformat slightly.
13535 * basic-block.h (regset_head): New typedef.
13536 (INIT_REG_SET): New macro.
13538 1999-11-22 Bruce Korb <autogen@linuxbox.com
13540 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
13541 (mips-dec-bsd*): non-functional code
13542 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
13544 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
13545 added three replacement fixes
13546 (no_double_slash): removed comments that are not (any longer) pertinent
13547 (bad_lval): this fix currently runs against many files.
13548 The comment seems to indicate that we should select for files
13549 containing 'pragma extern_prefix'.
13551 * fixinc/fixinc.x86-linux-gnu: deleted
13552 * fixinc/inclhack.sh: regen
13553 * fixinc/fixincl.x: regen
13554 * fixinc/fixincl.sh: regen
13556 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
13558 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
13559 its code is INSN and it has no notes.
13561 1999-11-22 Andrew Haley <aph@cygnus.com>
13563 * varasm.c (function_defined): Remove.
13564 (make_function_rtl): Don't set function_defined.
13565 (make_decl_rtl): Remove global register warning.
13566 * regclass.c (no_global_reg_vars): New variable.
13567 (globalize_reg): Warn if function has already been defined.
13568 (regclass_init): Set no_global_reg_vars.
13570 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13572 * regclass.c (reg_pref): New structure and static variable
13573 (prefclass): Delete.
13574 (altclass): Delete.
13575 (all uses of prefclass and altclass): Use reg_pref instead.
13577 1999-11-21 Nick Clifton <nickc@cygnus.com>
13579 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
13581 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
13582 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13583 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13585 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
13587 * varasm.c (output_constructor): Solve problem with long long
13588 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
13590 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13592 * global.c (allocno): New structure and static variable.
13593 (allocno_reg): Remove, all references replaced by allocno.
13594 (allocno_size): Likewise.
13595 (hard_reg_conflicts): Likewise.
13596 (hard_reg_preferences): Likewise.
13597 (hard_reg_copy_preferences): Likewise.
13598 (hard_reg_full_preferences): Likewise.
13599 (regs_someone_prefers): Likewise.
13600 (allocno_calls_crossed): Likewise.
13601 (allocno_n_refs): Likewise.
13602 (allocno_live_length): Likewise.
13603 (find_reg): Rename ALLOCNO to NUM.
13605 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
13606 references updated.
13607 (may_move_out_cost): New variable.
13608 (init_reg_sets_1): Initialize may_move_out_cost.
13609 (record_reg_classes): Use may_move_out_cost.
13611 * regclass.c (dump_regclass): New function.
13612 (regclass): New parameter DUMP, call DUMP_REGCLASS.
13613 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
13614 pass rtl_dump_file to regclass.
13615 * rtl.h (regclass): Update prototype.
13617 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13619 * i386.md (neg, not and abs patterns): Revmap to use
13620 ix86_expand_unary_operator and ix86_unary_operator_ok.
13621 (add?f and sub?f expanders): Force operand 1 to register.
13622 * i386.c (ix86_expand_unary_operator): Rewrite.
13623 (ix86_unary_operator_ok): Ensure that memory operands
13625 (ix86_binary_operator_ok): Do not allow operand 1 to
13626 come into memory and operand 0 not.
13627 (ix86_expand_binary_operator): Ensure that
13628 src1 is not non-matching memory.
13630 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
13631 to support integer registers and memory.
13632 (abss?2_integer): Likewise.
13634 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
13635 (REG_CLASS_NAMES): Likewise.
13636 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
13638 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
13639 (movsf): Likewise; unify 4th and 5th alternative.
13640 (pushdf): Likewise.
13641 (movdf_1): Likewise; rename to movdf_integer.
13642 (pushxf): Likewise; rename to pushxf_integer; fix output template;
13643 remove redundant splitter.
13644 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
13645 (movdf_nointeger): New.
13646 (movxf_nointeger): New.
13647 (pushxf_nointeger): New.
13649 * i386.md (extend?f?f): Split to expander and pattern, refuse two
13650 memory operands in patterns.
13651 (fop*): Refuse two memory operands.
13653 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
13654 on !TARGET_USE_CLTD CPUs.
13656 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
13658 * extend.texi: Document C++ restricted pointers and references.
13660 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
13662 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
13663 (invalidate_skipped_set): Call it unconditionally.
13664 (cse_set_around_loop): Likewise.
13666 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13668 * rtl.texi (mem): Add documentation for alias-set argument
13671 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13673 * i386.h (struct_processor_costs): New fields int_load, int_store,
13674 fp_move, fp_load and fp_store
13675 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
13677 (MEMORY_MOVE_COST): New macro.
13678 * i386.c (386_cost): Define new fields.
13679 (i486_cost): Likewise.
13680 (pentium_cost): Likewise.
13681 (pentiumpro_cost): Likewise.
13682 (k6_cost): Likewise.
13684 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
13685 Geoffrey Keating <geoffk@cygnus.com>
13687 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
13689 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
13692 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
13693 (TARGET_STRICT_ALIGNMENT): New macro.
13694 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
13695 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
13696 * invoke.texi (M680x0 Options): Document -mstrict-align.
13698 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
13699 Richard Henderson <rth@cygnus.com>
13701 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
13702 (ix86_split_long_move): Declare.
13703 * i386.c (split_xf, ix86_split_movdi): Remove.
13704 (ix86_split_to_parts, ix86_split_long_move): New.
13705 * i386.md (dimode move splitters): Use ix86_split_long_move.
13706 (dfmode move splitters): Likewise.
13707 (xfmode move splitters): Likewise.
13708 (movsf_1): Allow F->r.
13709 (movdf_1, movxf_1): Allow F->ro.
13711 1999-11-17 Mark Mitchell <mark@codesourcery.com>
13713 * except.h (struct eh_entry): Add goto_entry_p.
13714 (eh_region_from_symbol): Remove prototype.
13715 * except.c (find_func_region_from_symbol): New function.
13716 (emit_cleanup_handler): Likewise.
13717 (eh_region_from_symbol): Make it static.
13718 (add_new_handler): Verify the argument.
13719 (find_func_region): Update comment.
13720 (expand_eh_region_end): Expand handlers here, rater than waiting
13721 until expand_leftover_cleanups or start_all_catch.
13722 (expand_leftover_cleanups): Don't expand here.
13723 (expand_start_all_catch): Or here.
13724 (expand_rethrow): Check the return value from find_func_region.
13725 * function.c (expand_function_end): Emit the catch_clauses.
13727 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
13729 * integrate.c (expand_inline_function): Add necessary check for NULL.
13731 1999-11-18 Nick Clifton <nickc@cygnus.com>
13733 * toplev.c (main): Correctly detect an unrecognised option.
13735 * cppinit.c (cpp_handle_option): Do not claim to have consumed
13736 a -f option if it has not been recognised.
13738 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
13740 * basic-block.h (update_life_extent): Remove trailing comma on
13741 enumeration type list.
13743 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13745 * varasm.c (output_constructor) Solved problem with long long
13746 bitfields. Corrected calculating this_time and shift. Also
13747 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
13749 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
13751 * flow.c (split_edge): Take looping structure into account when
13752 determining where to put the new block note.
13754 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
13756 * Makefile.in (ggc-none.o): Provide host specific version if
13759 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
13761 * cse.c (delete_trivially_dead_insns): Identify no-op insns
13762 containing subregs too.
13764 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13766 * invoke.texi: Add documentation for -muninit-const-in-rodata.
13767 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
13768 (TARGET_UNINIT_CONST_IN_RODATA): Define.
13769 (text_section): Add switches -munint-const-in-rodata and
13770 -mno-uninit-const-in-rodata.
13771 (ASM_OUTPUT_COMMON): Remove.
13772 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
13773 const objects should be placed in read-only data. Otherwise declare
13776 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
13778 * jump.c (jump_optimize_1): Revert last change.
13780 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
13782 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
13783 test if optimizing for size.
13785 1999-11-17 Mark Mitchell <mark@codesourcery.com>
13787 * Makefile.in (toplev.o): Depend on except.h.
13788 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
13790 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13792 * i386.md (divmodsi4): Rewrite to expander.
13793 (*divmodsi4_nocltd): New.
13794 (*divmodsi4_cltd): New.
13795 (divmodsi4 splitter): Handle the case when input comes in edx.
13796 (udivmodhi4): Do not use constraints in exander.
13797 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
13799 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
13801 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
13802 for the common case.
13804 1999-11-16 Jakub Jelinek <jakub@redhat.com>
13806 * explow.c (hard_function_value): Add outgoing argument.
13807 * expr.h (hard_function_value): Declare it.
13808 * calls.c (expand_call, emit_library_call_value): Update callers.
13809 * function.c (aggregate_value_p): Ditto.
13810 (diddle_return_value): Must look at the outgoing registers
13811 on archs with register windows.
13813 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
13815 * alpha.c (alpha_build_va_list): Use make_lang_type and
13816 initialize TYPE_NAME for the va_list record.
13818 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
13820 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
13822 * ggc.h (struct ggc_statistics): Rearrange elements for better
13823 packing on 64-bit hosts.
13824 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
13825 (compute_nearerout): Likewise.
13827 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
13829 * config/rs6000/rs6000.c (first_reg_to_save): Save
13830 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
13832 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
13834 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
13835 notion of nesting to find the DIE for a type or function.
13836 DIEs can go in limbo even if we got a context_die.
13837 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
13838 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
13840 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
13841 (gen_type_die): Writing out the context doesn't cause member class
13842 template instantiations to be written out as well.
13844 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
13846 * rs6000.h (ASM_OUTPUT_DEF): New.
13847 Based on proposed addition from David Edelsohn.
13849 1999-11-15 Robert Lipe <RobertLipe@usa.net>
13850 Bruce Korb <autogen@linuxbox.com>
13852 * fixinc/inclhack.def
13853 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
13854 (unixware7_byteorder_fix): added. Removes conflicts for new defs
13856 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
13857 (svr4_endian): enabled with SVR5
13858 (svr4_mkdev): simplified syntax and enabled with SVR5
13860 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
13862 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
13863 * configure: Rebuilt.
13864 * config/t-freebsd-thread: New file.
13866 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
13868 * i386.c (ix86_decompose_address): Verify the base is a REG
13869 before trying to examine its register number.
13871 * basic-block.h: Remove all #defines and prototypes related to
13873 (free_bb_mem, compute_preds_succs): Remove prototype.
13874 * rtl.h (free_bb_mem): Remove prototype.
13875 * flow.c (alloc_int_list_node); Remove function.
13876 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
13877 (compute_preds_succs, free_bb_mem): Likewise.
13878 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
13879 * toplev.c (rest_of_compilation): Likewise.
13880 * haifa-sched.c (build_control_flow): Use flow generated edge
13881 list to build the haifa specific edge list.
13882 (find_rgns): Use new CFG data structures instead of pred/succ lists.
13883 (schedule_insns): Do not build pred/succ lists anymore. Instead
13884 build the edge table.
13886 * basic-block.h (dump_bb_data): Remove declaration.
13887 * flow.c (dump_bb_data): Remove function.
13888 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
13889 (sbitmap_union_of_predsucc): Likewise.
13891 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
13892 argument. All callers changed.
13893 (delete_null_pointer_checks_1): No longer need to compute the
13896 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
13897 All callers changed.
13898 (pre_expr_reaches_here_p_work): Likewise.
13899 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
13900 * lcm.c (compute_laterin): Fix initialization of LATER.
13901 (compute_nearerout): Similarly for NEARER.
13903 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13905 * cse.c (set_nonvarying_address_components): Delete unused function.
13906 (refers_to_p): Likewise.
13908 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
13910 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
13913 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13915 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
13916 definition in do while (0).
13918 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
13920 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
13922 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
13924 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
13926 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
13928 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
13929 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
13930 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
13931 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
13933 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
13934 saved on the stack. Output more accurate stack frame statistics
13935 into assembler file.
13937 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
13939 * genextract.c (record_insn_name): New function.
13940 (get_insn_name): No longer a stub.
13941 (main): Call record_insn_name for each insn. After each label
13942 written, print the insn name in a comment.
13944 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13946 * output.h (const_section, init_section, fini_section): Add
13949 * alpha/elf.h (const_section): Delete declaration.
13951 * svr4.h (const_section): Likewise.
13953 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
13955 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
13956 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
13957 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
13959 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
13960 variable-sized array bounds.
13962 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
13964 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
13967 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13969 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
13970 addresses the same way GO_IF_LEGITIMATE_INDEX does.
13972 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13974 * cse.c (hash_arg_in_struct): Delete.
13975 (struct table_elt): Delete elt in_struct.
13976 (struct set): Delete elt src_in_struct.
13977 (merge_equiv_classes): Don't set either hash_arg_in_struct or
13978 the corresponding in_struct elts.
13979 (canon_hash): Likewise.
13980 (safe_hash): Likewise.
13981 (find_best_addr): Likewise.
13982 (record_jump_cond): Likewise.
13983 (cse_insn): Likewise.
13985 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
13987 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
13989 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
13992 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
13994 * function.c (diddle_return_value): Put back check that the DECL_RTL
13995 for the function is a register.
13997 * function.c (diddle_return_value): Use hard_function_value to
13998 get an rtx suitable for use in the USE/CLOBBER insn.
14000 * global.c (global_conflicts): Update comments.
14001 (record_conflicts): No need to record conflicts between pseudos here.
14003 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14005 * fixinc/fixincl.c: Added verbose levels for status messages
14007 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14009 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14010 operand as argument to expand_and or expand_binop.
14012 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14014 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14015 gcc_add_string_root.
14017 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14019 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14021 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14023 * flow.c (compute_flow_dominators): Initially put all blocks on
14025 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14026 * gcse.c (compute_cprop_avinout): Remove.
14027 (compute_cprop_data): Use compute_available.
14028 (delete_null_pointer_checks_1): Use compute_available.
14030 * basic-block.h (compute_available): Returns a void now.
14031 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14032 to return a value anymore.
14033 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14034 worklists. Fix boundary cases. Compute maximal solutions.
14035 (compute_laterin, compute_nearerout): Similarly.
14037 * dwarf2out.c (add_AT_location_description): Allow
14038 (mem (plus (pseudo) (...)) too.
14040 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14042 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14044 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14045 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14047 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14049 * gansidecl.h: Likewise.
14055 * toplev.h: Likewise.
14057 * tree.c: Likewise.
14059 * tree.h: Likewise.
14061 * varray.c: Likewise.
14063 * varray.h: Likewise.
14065 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14067 * gcov.c (struct arcdata): Add hits and total, remove prob.
14068 (output_branch_counts): New.
14069 (process_args): Set output_branch_counts if -c.
14070 (calculate_branch_probs): Store hits and total instead of
14072 (output_data): Emit counts if output_branch_counts is true.
14073 * gcov.texi (Invoking Gcov): Document -c switch..
14075 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14077 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14078 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14080 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14082 * invoke.texi (C Dialect Options): Add missing builtins from
14083 c-common.c to list.
14084 * extend.texi (Other Builtins): Copy to this list.
14086 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14088 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14089 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14090 redundant bitmap.h.
14092 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14094 * flow.c (compute_flow_dominators): No longer treat basic block 0
14095 or (n_basic_blocks - 1) specially. Clear the AUX field before
14096 starting computation of doms/pdoms. Fix initial state for pdoms.
14098 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14100 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14101 match rtl.o's: added ggc.h and toplev.h
14102 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14103 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14104 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14106 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14108 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14109 from HAVE_DOS_BASED_FILESYSTEM.
14110 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14111 HAVE_DOS_BASED_FILESYSTEM.
14113 (split_directories): Only special-case DOS file names if
14114 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14115 instead of explicit tests. Conditionalize on !VMS.
14116 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14117 tests. Conditionalize on !VMS.
14118 (process_command): Only use make_relative_prefix if !VMS.
14119 (free_split_directories): Conditionalize on !VMS.
14120 (DIR_UP): Conditionalize on !VMS.
14122 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14124 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14126 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14128 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14131 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14133 * invoke.texi (Environment Variables): Document relative path
14135 * gcc.c (DIR_UP): If not defined, define as "..".
14136 (standard_bindir_prefix): New static, holds target location to
14138 (split_directories): New function to split a filename into
14139 component directories.
14140 (free_split_directories): New function, release memory allocated
14141 by split_directories.
14142 (make_relative_prefix): New function, make a relative pathname if
14143 the compiler is not in the expected location.
14144 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14145 can figure out an appropriate prefix from argv[0].
14146 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14147 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14148 STANDARD_BINDIR_PREFIX.
14150 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14152 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14154 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14155 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14156 c4x_secondary_memory_needed) Delete.
14157 (fp_zero_operand): Add mode argument.
14159 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14161 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14162 that is in reload_reg_used.
14164 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14166 * config/arm/arm-protos.h: New file: Prototypes for functions
14167 defined in arm.c and pe.c.
14168 * config/arm/arm.h: Fix compile time warnings.
14169 * config/arm/arm.c: Fix compile time warnings.
14170 * config/arm/pe.h: Fix compile time warnings.
14171 * config/arm/aout.h: Fix compile time warnings.
14173 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14175 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14178 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14179 Add support for subtargets.
14180 Add prototypes for new predicates.
14181 Add scheduling macros.
14183 * config/m32r/m32r.c: Fix compile time warnings.
14184 (int8_operand): New predicate function.
14185 (reg_or_cmp_int16_operand): New predicate function.
14186 (extend_operand): New predicate function.
14187 (m32r_adjust_code): New scheduling function.
14188 (m32r_adjust_priorty): New scheduling function.
14189 (m32r_sched_init): New scheduling function.
14190 (m32r_sched_reorder): New scheduling function.
14191 (m32r_sched_variable_issue): New scheduling function.
14192 (direct_return): New codegen function.
14193 (m32r_not_same_reg): New rtl testsing function.
14195 * config/m32r/m32r.md: Fix compile time warnings.
14196 Add support for pre decrement and post increment memory
14198 Add S<cc> patterns.
14201 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14203 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14204 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14205 (find_reg): Likewise.
14207 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14209 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14210 to avoid assembler errors.
14212 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14214 * config/v850/v850-protos.h: New file: Prototypes for functions
14216 * config/v850/v850.h: Move prototypes to v850-protos.h
14217 * config/v850/v850.c: Move prototypes to v850-protos.h
14218 * config/v850/v850.md: Fix compile time warnings.
14220 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14222 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14223 * config/fr30/fr30.c: Fix compile time warnings.
14224 * config/fr30/fr30.md: Fix compile time warnings.
14226 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14228 * tree.h (get_containing_scope): Declare it.
14229 * tree.c (get_containing_scope): New fucntion.
14230 (decl_function_context): Use it.
14231 * toplev.c (rest_of_compilation): Use get_containing_scope.
14233 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14235 * Makefile.in (rtl.o): Depend on toplev.h.
14237 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14239 * cse.c (delete_trivially_dead_insns): Replace alloca with
14241 * except.c (update_rethrow_references): Likewise.
14242 (init_eh_nesting_info): Likewise.
14243 * function.c (identify_blocks): Likewise.
14244 * gcse.c (dump_hash_table): Likewise.
14245 * graph.c (print_rtl_graph_with_bb): Likewise.
14246 * loop.c (combine_movables): Likewise.
14247 (move_movables): Likewise.
14248 (count_loop_regs_set): Likewise.
14249 (strength_reduce): Likewise.
14250 * profile.c (compute_branch_probabilities): New function, split
14252 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14253 * regclass.c (regclass): Likewise.
14254 * regmove.c (regmove_optimize): Likewise.
14255 * toplev.c (compile_file): Likewise.
14256 (main): Don't mess with the stack rlimit.
14258 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14260 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14261 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14263 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14265 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14267 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14269 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14270 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14273 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14275 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14277 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14279 * gcse.c (post_dominators): Kill.
14280 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14281 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14282 pass in a pdom array since we do not need pdoms.
14283 * haifa-sched.c (schedule_insns): Similarly.
14284 * flow.c (compute_dominators): Remove dead function.
14285 (compute_flow_dominators): Do not compute doms or pdoms if the
14286 caller does not request them. Split up loop to build doms and
14287 pdoms. Use a worklist to compute doms and pdoms.
14288 * basic-block.h (compute_dominators): Remove prototype.
14290 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14292 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14293 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14294 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14295 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14296 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14297 (schedule_region): Remove unused variable.
14298 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14300 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14302 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14303 (update_equiv_regs): Likewise.
14304 (block_alloc): Likewise.
14305 * reg-stack.c (reg_to_stack): Likewise.
14306 (convert_regs_2): Likewise.
14307 * reload1.c (reload_as_needed): Likewise.
14309 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14311 * Makefile.in (dbxout.o): Depend on ggc.h.
14312 (dwarf2out.o): Likewise.
14313 (xcoffout.o): Likewise.
14314 * dbxout.c: Include ggc.h.
14315 (dbxout_init): Register lastfile as a root.
14316 * dwarf2out.c: Include ggc.h.
14317 (dwarf2out_line): Register lastfile as a root.
14318 * xcoffout.c: Include ggc.h.
14319 (xcoffout_source_line): Register xcoff_lastfile as a root.
14321 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14323 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14325 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14327 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14329 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14331 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14333 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14334 (EXECUTE_IF_CONFLICT): Likewise.
14335 (ALLOCNO_LIVE_P): Avoid signed division.
14336 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14337 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14338 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14340 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14342 * haifa-sched.c (schedule_block): Don't crash if there's no
14343 next insn for an interblock movement.
14344 (add_branch_dependences): Don't allow clobber insns to move either.
14346 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14348 * i386.c (split_xf): New.
14349 * i386-protos.h: Declare it.
14350 * i386.md (movxf_1): Add general regs alternatives.
14351 (movxf_1+1): New splitter for same.
14353 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14355 * function.c (purge_addressof_1): Add missing return values.
14357 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14359 * function.c (is_addressof): New function. Returns true if
14360 the given piece of RTL is an ADDRESSOF.
14361 (purge_addressof_1): Make boolean. Return false if the
14362 ADDRESSOFs could not be purged.
14363 (purge_addressof): If ADDRESSOFs could not be purged from the
14364 notes attached to an insn, remove the offending note(s),
14365 unless they are attached to a libcall.
14367 1999-11-05 Andreas Jaeger <aj@suse.de>
14369 * genoutput.c (null_operand =): Initialize all fields.
14371 * errors.h: Add extern to prototypes.
14373 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14375 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14376 * configure: Rebuilt.
14378 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14380 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14381 (mirror_conflicts): New function.
14382 (global_alloc): Call it.
14383 (expand_preferences): Remove redundant CONFLICTP test.
14384 (find_reg, dump_conflicts): Likewise.
14385 (prune_preferences): Process conflicts one word at a time.
14387 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14389 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14390 instead of an explicit loop.
14392 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14394 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14395 if REG_RETVAL check succeeds, then put classp in src_elt.
14397 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14399 * function.c (pad_to_arg_alignment): Only update argument_pad
14400 if the argument's alignment is greater than STACK_BOUNDARY.
14402 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14404 * bitmap.h (BITMAP_XFREE): New.
14405 * flow.c (life_analysis): Use it.
14406 (life_analysis_1): Free blocks.
14408 * combine.c (undo_commit): New.
14409 (try_combine): Use it. Don't zap undobuf.undos.
14410 (combine_instructions): Don't zap undobuf.undos; free the
14411 undobuf.frees list.
14413 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
14415 * stmt.c (cost_table_): New.
14416 (estimate_case_costs): Use it instead of xmalloc.
14418 * toplev.c (compile_file): Reuse dumpname memory instead
14421 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
14423 * reg-stack.c (convert_regs_1): Initialize target_stack->top
14424 after verifying an EH edge.
14426 * haifa-sched.c (init_rgn_data_dependences): Correctly
14427 size bb_pending_lists_length when zeroing.
14429 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
14431 * function.c (diddle_return_value): New.
14432 (expand_function_end): Use it.
14433 * stmt.c (expand_null_return): Likewise.
14434 (expand_value_return): Likewise.
14436 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
14438 * reload1.c (reload): Don't remove return value clobbers.
14440 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
14442 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
14444 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
14446 * cse.c (cse_main): Use xmalloc, not alloca.
14447 (cse_basic_block): Likewise.
14448 * local-alloc.c (local_alloc): Likewise.
14450 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
14451 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14453 * rtl.c: Include toplev.h.
14454 (fatal): Remove declaration.
14456 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
14458 * haifa-sched.c (schedule_block): Fix thinko.
14460 1999-11-03 James McKelvey <mckelvey@fafnir.com>
14462 * fixinc/fixincl.c(create_file): Allow for systems that do not have
14463 S_IR* defined values
14465 1999-11-03 Philippe De Muyter <phdm@macqel.be>
14467 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
14468 call `malloc' instead.
14470 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
14472 * flags.h (flag_renumber_insns): Declare.
14473 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
14475 * rtl.h (renumber_insns): Change prototype.
14476 * toplev.c (flag_renumber_insns): Define.
14477 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
14479 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
14481 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
14482 and fpsqrtd. Use them and create fdiv function unit to more
14483 accurately represent fpu sqrt pipeline semantics on UltraSparc.
14484 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
14486 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
14488 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
14490 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
14491 insn into ready list, do not use just a raw swap.
14493 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
14495 * rtl.h (renumber_insns): New function.
14496 (remove_unnecessary_notes): Likewise.
14497 * emit-rtl.c (renumber_insns): Define.
14498 (remove_unncessary_notes): Likewise.
14499 * toplev.c (rest_of_compilation): Remove dead code.
14500 Use renumber_insns and remove_unncessary_notes.
14502 * gcse.c (struct null_pointer_info): New type.
14503 (get_bitmap_width): New function.
14504 (current_block): Remove.
14505 (nonnull_local): Likewise.
14506 (nonnull_killed): Likewise.
14507 (invalidate_nonnull_info): Take a null_pointer_info as input.
14508 (delete_null_pointer_checks_1): New function.
14509 (delete_null_pointer_checks): Use it.
14511 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
14512 (split_edges): Likewise.
14513 (schedule_block): Likewise.
14514 (compute_block_backward_dependencies): Likewise.
14515 (schedule_region): Likewise.
14516 (schedule_insns): Likewise.
14518 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
14520 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
14521 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
14522 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
14523 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
14524 * jump.c (delete_unreferenced_labels): Don't delete if
14525 LABEL_ALTERNATE_NAME is set.
14526 * print-rtl.c (print_rtx): Dump alternate name.
14527 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
14528 * rtl.h (LABEL_ALTERNATE_NAME): Define.
14529 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
14530 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
14532 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14534 * fix-header.c (recognized_extern, recognized_function): Constify
14537 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
14538 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14539 (compute_available): Remove unused variable `last'.
14540 (compute_nearerout): Remove unused variable `temp_bitmap'.
14541 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14542 Remove unused variable `x'.
14544 * scan.h (recognized_function, recognized_extern): Constify a
14547 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
14549 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14551 * varasm.c (decode_rtx_const): Use XSTR to access the string
14554 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
14556 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
14558 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14560 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
14562 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
14564 * pa.c (ireg_operand): New function.
14565 * pa.h (PREDICATE_CODES): Handle ireg_operand.
14566 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
14567 Fix out of date comment.
14569 * pa.md (negdi2): Turn into expander + anonymous pattern.
14571 * reload.c (find_reloads): Fix typos in recent change.
14573 * dwarf2out.c: Do not include ctype.h.
14575 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14577 * regclass.c (record_reg_classes): Always use may_move_cost when
14578 seeing how operand fits with various register classes.
14580 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
14582 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
14583 * toplev.c: Revert Nov 1 13:22 change.
14585 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
14587 * config/pa/pa.md (height reduction patterns): Add checks for
14588 overlapping operands to avoid semantic-destroying splits for
14589 height reduction patterns.
14591 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14593 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
14594 have been an hyphen, fixed.
14595 * configure: Rebuilt.
14597 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
14599 * config/arm/tpe.h: Add prototypes for exported functions.
14600 * config/arm/pe.c: Fix compile time warnings.
14601 * config/arm/semi.h: Fix compile time warnings.
14602 * config/arm/arm.c: Fix compile time warnings.
14603 * config/arm/arm.h: Fix compile time warnings.
14604 * config/arm/arm.md: Fix compile time warnings.
14605 * config/arm/thumb.c: Fix compile time warnings.
14606 * config/arm/thumb.h: Fix compile time warnings.
14607 * config/arm/thumb.md: Fix compile time warnings.
14609 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
14611 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
14614 * unroll.c (unroll_loop): Remove LOOP notes when loop is
14615 completely unrolled.
14617 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14619 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
14621 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
14623 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
14624 * rtl.h (rtx_equal_p): Move prototype.
14625 * rtl.c (rtx_equal_function_value_matters): Move from
14627 (rtx_equal_p): Likewise.
14628 * rtlanal.c (rtx_equal_function_value_matters): Delete.
14629 (rtx_equal_p): Likewise.
14631 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
14633 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
14634 ! HAS_INIT_SECTION.
14636 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
14638 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
14640 * pa.h (ADDR_VEC_ALIGN): Define.
14642 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
14643 notes when presented with "if (foo) break; end_of_loop" and
14644 the break sequence gets moved out of the loop.
14646 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
14647 Remove explicit zero initializations of entries within MAP.
14649 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
14651 * reg-stack.c (convert_regs_1): Handle EH edges specially.
14653 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
14655 * bitmap.h (BITMAP_XMALLOC): New macro.
14656 * flow.c (CLEAN_ALLOCA): Remove.
14657 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
14658 (life_analysis): Likewise.
14659 (update_life_info): Don't use CLEAN_ALLOCA.
14660 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
14661 (calculate_global_regs_live): Likewise.
14662 (print_rtl_with_bb): Likewise.
14663 (verify_flow_info): Likewise.
14664 * global.c (global_alloc): Likewise.
14665 (global_conflicts): Likewise.
14666 * integrate.c (save_for_inline_nocopy): Likewise.
14667 (expand_inline_function): Likewise.
14668 * jump.c (jump_optimize_1): Likewise.
14669 (duplicate_loop_exit_test): Likewise.
14670 (thread_jumps): Likewise.
14671 * loop.c (loop_optimize): Likewise.
14672 (combine_givs): Likewise.
14673 (recombine_givs): Likewise.
14674 * reorg.c (dbr_schedule): Likewise.
14675 * unroll.c (unroll_loop): Likewise.
14677 * combine.c (combine_instructions): Use xmalloc instead of alloca.
14679 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
14681 * toplev.c (rest_of_compilation): Don't optimize the CFG
14682 when rebuilding, just before dbr.
14684 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14686 * output.h (assemble_end_function, assemble_destructor,
14687 assemble_constructor, assemble_gc_entry, assemble_global,
14688 assemble_label, output_constant_pool) Constify a char*.
14690 * varasm.c (assemble_destructor, assemble_constructor,
14691 assemble_gc_entry, assemble_end_function, assemble_global,
14692 assemble_label, output_constant_pool): Likewise.
14694 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
14696 * config/arm/thumb.c (thumb_expand_prologue): Add comments
14697 explaining what is goin on in this function.
14699 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14701 * regclass.c (record_reg_classes): In matching case, recompute
14702 costs since the direction of movement is different.
14704 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14706 * resource.c (mark_target_live_regs): For unconditional branches,
14707 the resources found at the branch target should be added to the
14708 resources found so far, not intersected.
14710 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
14712 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
14714 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
14715 (sys/mman.h): Include this file only if #HAVE_MMAP.
14716 (run_compiles): Initialize `esac_fmt' with one old KR string, not
14717 with automatically concatenated ANSI strings.
14719 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
14721 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
14722 (DIV_ROUND_UP): Robustify.
14723 (ggc_recalculate_in_use_p): New function.
14724 (release_pages): Don't inline it.
14725 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
14727 (ggc_pop_context): Use ggc_recalculate_in_use_p.
14728 (clear_marks): Always save in_use_p.
14729 (sweep_pages): Use ggc_recalculate_in_use_p.
14730 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
14731 Release pages before counting statistics.
14733 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
14735 * toplev.c (rest_of_compilation): Fix thinko in this change:
14737 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
14739 (rest_of_compilation): If inside an inlined external function,
14740 pretend we are just being declared.
14742 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
14744 * flow.c (calculate_global_regs_live): Fix thinko.
14746 * integrate.c (expand_inline_function): Fix bugs in previous
14747 change from Oct 28, 1999.
14749 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
14751 * stmt.c (expand_value_return): Fix typo in this change:
14753 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14754 (expand_value_return): Correctly convert VAL when promoting function
14755 return; support RETURN_REG being a PARALLEL.
14757 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
14759 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
14761 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14763 * hard-reg-set.h (reg_names): Constify a char*.
14765 * regclass.c (reg_names): Likewise.
14767 * regs.h (reg_names): Likewise
14769 * a29k/a29k.c (reg_names): Delete declaration.
14771 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
14773 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
14774 arc_output_function_epilogue): Likewise.
14776 * elxsi/elxsi.c (reg_names): Likewise.
14778 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
14780 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
14783 * m88k/m88k.c (output_function_profiler): Likewise.
14785 * sparc/sparc.c (sparc_flat_output_function_prologue,
14786 sparc_flat_output_function_epilogue): Likewise.
14788 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
14790 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
14791 warning from -Wuninitialized and put it under -W.
14792 * function.c (uninitialized_vars_warning): Warn only when the
14793 corresponding flag is set.
14795 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
14797 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
14798 is nonzero and the single set does not have an elt, then assign
14801 * simplify-rtx.c: New file.
14802 * Makefile.in (OBJS): Add simplify-rtx.o
14803 (simplify-rtx.o): Add dependencies.
14804 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
14805 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
14806 (cse_gen_binary, simplify_unary_operation): Delete.
14807 (simplify_binary_operation, simplify_plus_minus): Likewise.
14808 (check_fold_consts, simplify_relation_operation): Likewise.
14809 (simplify_ternary_operation): Likewise.
14810 (delete_trivially_dead_insns): Simplify the contents of the
14811 REG_EQUAL note before trying to substitute it into the source
14812 of the reg-reg copy at the end of a libcall sequence.
14814 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
14815 references/callers changed.
14817 * mn10200.c (mn10200_va_arg): Force the return value into a
14820 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
14822 * cccp.c (macroexpand): Avoid out of range accesses for omitted
14825 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
14827 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
14829 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
14831 * fold-const.c (fold): Fix thinko when optimizing comparisons
14834 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
14836 * gcc.texi (Passes): Update front-end files to their current
14839 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
14841 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
14842 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
14843 (PREDICATE_CODES): Add addition_operation.
14844 * alpha-protos.h (addition_operation): Declare.
14845 (secondary_reload_class): Likewise.
14846 * alpha.c (addition_operation): New.
14847 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
14848 * alpha.md (adddi3): Turn into expander.
14849 (*lda, *adddi_2): New.
14850 (movsf, movdf patterns): Don't preference integer regs.
14851 (movsi, movdi patterns): Don't preference fp regs.
14853 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
14855 * genrecog.c (write_switch): Check for duplicate CODE cases.
14857 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
14859 * ggc-common.c: Update pre-function commentary.
14860 * ggc-page.c: Likewise.
14862 (poison_pages): Use memset directly.
14863 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
14864 (ggc_collect): Poison before sweeping.
14865 * ggc-simple.c: Update pre-function commentary.
14866 (ggc_alloc_obj): Poison non-zeroed memory.
14868 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
14870 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
14871 match format string, even on 64-bit hosts.
14872 * gcc-page.c (ggc_page_print_statistics): Likewise.
14874 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
14876 * config/i386/i386.c (ix86_cpu): Revert last patch.
14877 * config/i386/i386.h (ix86_cpu): Ditto.
14879 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
14881 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
14882 TYPE_SIZE, convert type of result to sizetype.
14884 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
14886 * flow.c (count_or_remove_death_notes): Equate NULL with the
14889 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
14890 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
14893 * i386.c (pic_label_no): Delete.
14894 (ix86_attr_length_default): Don't use single_set to peek
14897 * recog.c (peephole2_optimize): Allow recog_next_insn to index
14898 the first insn after bb->end.
14899 * i386.md (push mem peeps): Scratch is live after evaluation
14901 (cmp mem peep): Similarly.
14903 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
14905 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
14906 * function.c (pad_to_arg_alignment): Add missing braces.
14908 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14910 * alpha/alpha-protos.h (literal_section): Add prototype.
14911 (alpha_need_linkage, alpha_start_function,alpha_end_function):
14914 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
14916 (alpha_start_function, alpha_end_function, float_strings,
14917 alpha_need_linkage): Constify a char*
14919 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
14921 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
14923 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
14925 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
14927 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14929 * flow.c (debug_flow_info): Add prototype.
14931 * gcc.c (main): Likewise.
14933 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
14936 * reload1.c (failed_reload, set_reload_reg): Likewise.
14938 * mips-tfile.c (main): Likewise.
14939 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
14940 with ATTRIBUTE_NORETURN.
14942 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
14944 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
14945 DECL is not a memory ref.
14947 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
14949 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
14950 * config/i386/i386.c (ix86_cpu): Add extern attribute.
14952 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
14954 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
14955 * config/mips/elf64.h: ditto.
14957 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
14959 * expr.c (emit_push_insn): New argument alignment_pad.
14960 Update all callers. Adjust stack pointer based on alignment pad.
14961 * function.c (pad_to_arg_alignment): New argument alignment_pad.
14962 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
14963 (locate_and_pad_parm): New argument alignment_pad. Update all
14965 * expr.h (emit_push_insn): Update prototype.
14966 (locate_and_pad_parm): Update prototype.
14967 * calls.c (arg_data): Add new field alignment_pad.
14968 (initialize_argument_information): Initialize alignment_pad.
14970 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
14972 * except.c (free_eh_nesting_info): Free the info itself.
14973 * function.c (free_after_compilation): Don't free NULL.
14974 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
14975 (pre_edge_insert): Free inserted.
14976 * stmt.c (free_stmt_status): Don't free NULL.
14978 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
14980 * gcov.c (DIR_SEPARATOR): Provide default.
14981 (output_data): Add test for MS-DOS format absolute filename.
14982 (fancy_abort): Correct program name.
14983 (open_files): Open all files in binary mode.
14984 * libgcc2.c (__bb_exit_func): Likewise.
14986 * profile.c (init_branch_prob): Specify binary when opening files.
14988 * flags.h (flag_unwind_tables): New decl.
14989 * toplev.c (flag_unwind_table): New definition.
14990 (f_options): Add -funwind-tables.
14991 (decode_g_option): Clarify warning when unknown -g option is given.
14992 (rest_of_compilation): If inside an inlined external function,
14993 pretend we are just being declared.
14995 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
14996 (dwarf2out_frame_finish): Likewise.
14998 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15000 * fold-const.c (merge_ranges): If not in0, but in1, handle
15001 upper bounds equal like subset case.
15003 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15005 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15006 passed in a register but moved to the stack.
15008 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15010 * gcc.c (pass_exit_codes, greatest_status): New variables.
15011 (struct option_map): Add entry for "--pass-exit-codes".
15012 (execute): Update greatest_status if error.
15013 (display_help): Add documentation for -pass-exit-codes.
15014 (process_command): Handle -pass-exit-codes.
15015 (main): Look at pass_exit_codes and greatest_status on call to exit.
15017 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15019 * reload.c (find_reloads): Refine test for no input reload
15020 case to not includes reloads emitted after insn.
15022 * function.c (find_temp_slots_from_address): Handle sum involving
15023 a register that points to a temp slot.
15024 (update_temp_slot_address): Make recursive call if both old and
15025 new are PLUS with a common operand.
15026 * calls.c (expand_call): Mark temp slot for result as having
15029 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15031 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15032 component as well as "BINUTILS".
15034 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15035 * integrate.c (copy_rtx_and_substitute): Likewise.
15036 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15037 All callers changed.
15038 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15040 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15041 gdb extensions, write size of type; also be more consistent
15042 in using references when this is a subtype.
15044 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15045 that is out of range.
15047 * loop.c (unknown_constant_address_altered): New variable.
15048 (prescan_loop): Initialize it.
15049 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15050 (invariant_p, case MEM): Remove handling for volatile and readonly;
15051 check new variable if readonly.
15052 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15054 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15055 (addr_affects_sp_p): Removed from note_mem_written and only
15056 define #ifdef AUTO_INC_DEC.
15058 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15060 * regclass.c (record_reg_classes): Properly handle register move
15063 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15064 Don't think valid if both operands are invalid.
15065 (struct constant_descriptor): New field RTL.
15066 (mark_const_hash_entry): Mark it.
15067 (record_constant{,_rtx}): Initialize it.
15068 (output_constant_def): Allocate RTL in permanent obstack and
15070 ({record,compare}_constant_1): Modes must match for
15071 CONSTRUCTOR of ARRAY_TYPE.
15073 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15074 * output.h (initializer_constant_valid_p): Move decl to here.
15075 * c-common.c (initializer_constant_valid_p): Delete function from here.
15076 * varasm.c (initializer_constant_valid_p): Move function to here.
15078 * tree.h (STRIP_SIGN_NOPS): New macro.
15079 * fold-const.c (optimize_minmax_comparison): New function.
15080 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15081 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15082 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15083 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15084 widening conversions.
15085 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15086 to look at size of mode, not precision of type; also add missing cases.
15087 (optimize_bit_field_compare, decode_field_reference): Don't try to
15088 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15090 * dwarf2out.c (ctype.h): Include.
15091 (dwarf2out_set_demangle_name_func): New function.
15092 (size_of_line_info): Deleted.
15093 (output_line_info): Compute size of line info table from difference
15095 (base_type_die, add_name_attribute): Call demangle function, if any.
15096 (field_byte_offset): Use bits per word for variable length fields.
15097 (gen_array_type_die): Add array name.
15098 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15099 (dwarf2out_add_library_unit_info): New function.
15101 * explow.c (set_stack_check_libfunc): New function.
15102 (stack_check_libfunc): New static variable.
15103 (probe_stack_range): Allow front-end to set up a libfunc to call.
15105 * combine.c (simplify_comparison): When making comparison in wider
15106 mode, check for having commuted an AND and a SUBREG.
15107 (contains_muldiv): New function.
15108 (try_combine): Call it when dividing a PARALLEL.
15109 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15110 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15112 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15113 use one of the CLOBBERs instead.
15114 (if_then_else_cond): If comparing against zero, just return thing
15117 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15118 Don't generate shifts and subtract if have conditional arithmetic.
15120 * rtl.h (delete_barrier): New declaration.
15121 * jump.c (jump_optimize): Set up to handle conditional call.
15122 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15123 (delete_barrier): New function.
15125 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15127 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15129 * tree.c (build_type_attribute_variant): Push to obstack of
15130 ttype around type_hash_canon call.
15132 * expr.c (placeholder_list): Move decl to file scope.
15133 (expand_expr): Don't force access to volatile just because its
15135 If ignoring reference operations, just expand the operands.
15136 (expand_expr, case COMPONENT_REF): Propagate
15137 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15138 Refine test for using bitfield operations vs pointer punning.
15139 (expand_expr, case CONVERT_EXPR): If converting to
15140 BLKmode UNION_TYPE from BLKmode, just return inner object.
15141 Use proper mode in store_field call.
15142 Properly set sizes of object to store and total size in store_field
15143 call for convert to union.
15144 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15145 memory (like for ADDR_EXPR). Also, don't put constant in register if
15146 we'll want it in memory.
15147 (readonly_fields_p): New function.
15148 (expand_expr, case INDIRECT_REF): Call it if LHS.
15149 (expand_assignment): Handle a RESULT_DECL where
15150 DECL_RTL is a PARALLEL.
15151 (do_jump, case WITH_RECORD_EXPR): New case.
15152 (get_inner_reference): Always go inside a CONVERT_EXPR
15153 and NOP_EXPR if both modes are the same.
15154 (store_field): Use bitfield operations if size of bitsize is not same
15155 as size of RHS's type.
15156 Check for bitpos not a multiple of alignment in BLKmode case.
15157 Do block move in largest possible alignment.
15158 (store_constructor): Set BITSIZE to -1 for variable size and properly
15159 in case of array of BLKmode.
15160 (expand_expr_unaligned): New function.
15161 (do_compare_and_jump): Call it.
15163 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15164 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15165 does not include 'o'.
15167 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15168 both SET_DEST and SET_SRC reference a virtual register.
15169 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15171 * integrate.c (expand_inline_function): Handle case of setting
15172 virtual stack vars register (from built in setjmp); when parameter
15173 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15174 (subst_constant): Add new parm, MEMONLY.
15175 (expand_inline_function, integrate_parm_decls): Pass new parm.
15176 (integrate_decl_tree): Likewise.
15177 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15178 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15179 (copy_rtx_and_substitute, case SET): Add explicit calls to
15180 copy_rtx_and_substitute for both sides.
15182 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15184 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15185 within INDEX_TYPE, instead of before.
15186 (fixup_gotos): Use f->target_rtl, not the next insn,
15187 since latter may be from a later fixup.
15188 (expand_value_return): Correctly convert VAL when promoting function
15189 return; support RETURN_REG being a PARALLEL.
15190 (expand_return): When checking for result in regs and having
15191 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15193 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15195 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15196 last_nominal_fname): Mark const.
15197 (struct include_hash: name, nshort, control_macro): Mark
15199 (struct macrodef: symnam): Mark const.
15200 (struct if_stack: fname): Mark const.
15201 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15202 (IStable): New character-syntax array which encompasses all
15203 the old is_foo arrays.
15204 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15205 is_space): New macros for interrogating IStable.
15206 (check_macro_name): Kill last argument. All callers changed.
15208 * cppinit.c (initialize_char_syntax): Delete.
15209 (is_idchar, is_idstart, is_hor_space, is_space,
15210 trigraph_table): Delete.
15211 (IStable): New. Initialize with clever macros to avoid
15212 information duplication.
15213 (builtin_array): Table of builtins to get rid of explicit list
15214 in initialize_builtins.
15215 (initialize_builtins): Use builtins_array.
15216 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15217 opts->dollars_in_ident.
15219 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15221 (cpp_parse_expr): Avoid 'format string is not constant'
15222 warning. Use ISGRAPH to identify printable chars.
15223 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15225 (read_and_prescan): Map trigraphs to chars with open-coded
15226 if-else-if-... sequence, not a lookup table.
15227 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15229 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15230 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15231 (check_macro_name): Remove ability to report an invalid
15232 assertion name, which is never used.
15233 (do_line): Constify a couple of char *'s.
15234 * cppmain.c (main): Call cpp_cleanup before returning.
15236 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15238 * ggc.h (struct ggc_statistics): New type.
15239 (ggc_get_size): New function.
15240 (ggc_print_statistics): Likewise.
15241 * ggc-common.c (ggc_stats): New variable.
15242 (ggc_mark_rtx_children): Keep statistics.
15243 (ggc_mark_tree_children): Likewise.
15244 (ggc_print_statistics): New function.
15245 * ggc-page.c (struct globals): Add bytes_mapped field.
15246 (alloc_anon): Update it.
15247 (release_pages): Likewise.
15248 (ggc_get_size): New function.
15249 (ggc_page_print_statistics): New function.
15250 * ggc-simple.c (ggc_get_size): New function.
15252 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15254 * flow.c (propagate_block): When the last reference to a label
15255 before an ADDR_VEC is deleted because the reference is a dead
15256 store, delete the ADDR_VEC.
15258 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15260 * resource.c (find_free_register): Don't use the frame pointer
15261 if frame_pointer_needed.
15263 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15265 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15266 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15268 * config/i960/i960.c (i960_va_start): New locals base, num.
15269 Use INDIRECT_REF instead of ARRAY_REF on valist.
15270 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15272 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15274 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15276 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15278 * tree.def (PLACEHOLDER_EXPR): Update comments.
15280 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15282 * c-common.c (check_format_info): Avoid non-literal format string
15283 warnings when `first_arg_num' is zero.
15285 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15287 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15289 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15291 * arm.md (casesi_insn): Add a clobber of the condition code
15294 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15296 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15297 used by both cc1 and cc1plus.
15299 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15301 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15302 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15303 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15304 to the value 32 if it has not already been defined.
15305 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15306 Override definition in arm.h with a value of 8.
15308 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15310 * c-pragma.c (push_alignment): Don't check the return value
15313 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15315 * sparc.h (ADJUST_COST): Fix thinko.
15317 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15319 * cccp.c (rescan): Fixed obp pointer handling around call to
15320 check_expand subroutine.
15322 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15324 * gcse.c (delete_null_pointer_checks): Only record non-null info
15325 for pseudos when examining stores.
15327 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15328 splitters for these patterns. Use "#" for output templates.
15329 (addsi3_carryin_shift): New pattern.
15331 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15333 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15334 of the function return register into a plain REG until
15335 after function inlining is done.
15337 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15339 * jump.c (jump_optimize_1): If we did cross-jumping, and
15340 the data will matter, rebuild the CFG.
15341 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15342 not optimizing. Don't run shorten_branches.
15343 * toplev.c (rest_of_compilation): Run shorten_branches after
15346 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15348 * rtl.h (note_stores): Add additional paramter.
15349 * rtlanal.c (reg_set_p_1): Take additional paramter.
15350 (reg_set_last_1): Likewise.
15351 (reg_set_p): Adjust call to note_stores.
15352 (reg_set_last): Likewise.
15353 (note_stores): Pass data parameter to worker function.
15354 * alias.c (record_set): Take additional parameter.
15355 (init_alias_analysis): Pass it.
15356 * caller-save.c (mark_set_regs): Take additional parameter.
15357 (save_call_clobbered_regs): Pass NULL to note_stores.
15358 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15360 (record_dead_and_set_regs_1): Likewise.
15361 (reg_dead_at_p_1): Likewise.
15362 (combine_instructions): Adjust calls to note_stores.
15363 (try_combine): Likewise.
15364 (record_dead_insn): Remove.
15365 (record_dead_and_set_regs): Adjust calls to note_stores.
15366 (reg_dead_at_p): Likewise.
15367 * cse.c (invalidate_skipped_set): Take additional parameter.
15368 (cse_check_loop_start): Likewise.
15369 (cse_check_loop_start_value): Remove.
15370 (cse_set_around_loop): Adjust calls to note_stores.
15371 * flow.c (notice_stack_pointer_modification): Take additional
15372 parameter. Remove duplicate declaration.
15373 (record_volatile_insns): Adjust calls to note_stores.
15374 * gcse.c (record_set_info): Take additional parameter.
15375 (record_last_set_info): Likewise.
15376 (invalidate_nonnull_info): Likewise.
15377 (record_set_insn): Remove.
15378 (compute_sets): Adjust calls to note_stores.
15379 (last_set_insn): Remove.
15380 (compute_hash_table): Adjust calls to note_stores.
15381 (insert_insn_end_bb): Likewise.
15382 (delete_null_pointer_checks): Likewise.
15383 * global.c (mark_reg_store): Take additional parameter.
15384 (mark_reg_clobber): Likewise.
15385 (reg_becomes_live): Likewise.
15386 (global_conflicts): Adjust calls to note_stores.
15387 (build_insn_chain): Likewise.
15388 * integrate.c (note_modified_parmregs): Take additional parameter.
15389 (mark_stores): Likewise. Make it static.
15390 (save_for_inline_nocopy): Adjust calls to note_stores.
15391 (try_constants): Likewise.
15392 * integrate.h (mark_stores): Remove declaration.
15393 * jump.c (mark_modified_reg): Take additional parameter.
15394 (thread_jumps): Adjust calls to note_stores.
15395 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15397 (no_equiv): Likewise.
15398 (reg_is_set): Likewise.
15399 (validate_equiv_mem): Adjust calls to note_stores.
15400 (update_equiv_regs): Likewise.
15401 (block_alloc): Likewise.
15402 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15403 (note_addr_stored): Take additional parameter.
15404 (note_set_pseudo_multiple_uses): Likewise.
15405 (record_initial): Likewise.
15406 (prescan_loop): Adjust calls to note_stores.
15407 (strength_reduce): Likewise.
15408 (check_dbra_loop): Likewise.
15409 * regmove.c (flags_set_1): Take additional paramter.
15410 (mark_flags_life_zones): Adjust calls to note_stores.
15411 * reload1.c (mark_not_eliminable): Take additional parameter.
15412 (forget_old_reloads_1): Likewise.
15413 (reload_cse_invalidate_rtx): Likewise.
15414 (reload_cse_check_clobber): Likewise.
15415 (reload_combine_note_store): Likewise.
15416 (move2add_note_store): Likewise.
15417 (reload): Adjust calls to note_stores.
15418 (reload_as_needed): Likewise.
15419 (emit_reload_insns): Likewise.
15420 (reload_cse_regs_1): Likewise.
15421 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
15422 (reload_combine): Adjust calls to note_stores.
15423 * resource.c (update_live_status): Take additional paramter.
15424 (mark_target_live_regs): Adjust calls to note_stores.
15425 * stupid.c (find_clobbered_regs): Take additional parameter.
15426 (stupid_life_analysis): Adjust calls to note_stores.
15428 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
15430 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
15433 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
15436 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
15437 of the variable arm_structure_size_boundary.
15439 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15441 * alias.c (init_alias_analysis): Allocate reg_known_value and
15442 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
15444 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
15445 * cse.c (cse_main): Call end_alias_analysis.
15446 * haifa-sched.c (schedule_insns): Likewise.
15447 * local-alloc. (update_equiv_regs): Likewise.
15448 * reload1.c (reload_cse_regs): Likewise.
15450 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15452 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
15453 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
15454 mapping from MASK_FPU.
15456 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
15458 * sparc.md (call): Don't bound structure return size to 0xfff.
15460 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
15462 * resource.c (mark_target_live_regs): Check that the target
15463 insn wasn't created after compute_bb_for_insn.
15465 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
15467 * ggc-page.c (poison_pages): Don't be overzealous.
15469 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
15471 * alias.c: Update comments for ADDRESS.
15472 (nonlocal_reference_p): Look inside the ADDRESS to determine if
15473 it is a local memory reference.
15475 * c-typeck.c (build_function_call): Check that the built-in
15476 function is of class BUILT_IN_NORMAL before trying to recongize
15477 it as BUILT_IN_ABS.
15478 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
15479 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
15481 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
15483 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
15485 (pre_gcse): Likewise.
15486 (hoist_expr_reaches_here_p): Likewise.
15487 (hoist_code): Likewise.
15488 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
15490 (pre_expr_reaches_here_p_work): ... here.
15491 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
15493 (expr_reaches_here_p_work): ... here.
15495 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
15497 * resource.c (find_basic_block): Delete.
15498 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
15499 (init_resource_info): Call compute_bb_for_insn.
15501 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
15503 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
15504 with already adjacent blocks, but no fallthru.
15505 (merge_blocks_move_successor_nojumps): Simplify.
15506 (debug_flow_info): New.
15508 * toplev.c (rest_of_compilation): Open jump1 dump file before
15509 jump and close after, as opposed to just using dump_rtl.
15511 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15513 * reload.h (earlyclobber_operand_p): Declare.
15514 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
15515 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15516 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
15517 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
15519 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15520 Richard Henderson <rth@cygnus.com>
15522 * emit-rtl.c (emit_block_insn_before): New.
15523 (emit_block_insn_after): New.
15524 * basic-block.h: Declare them.
15526 * bitmap.h: Protect from multiple inclusion.
15528 * recog.c (scratch_operand): Handle VOIDmode correctly.
15530 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
15532 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
15533 * function.c (assign_parms): Likewise.
15534 * global.c (global_conflicts): Clarify STACK_REGS commentary.
15536 * reg-stack.c (max_uid): Remove.
15537 (blocks, block_begin, block_end, block_drops_in): Remove.
15538 (block_stack_in, block_out_reg_set, block_number): Remove.
15539 (struct block_info_def, BLOCK_INFO): New.
15540 (enum emit_where): New.
15541 (current_block): New.
15542 (BLOCK_NUM): Remove.
15543 (mark_regs_pat, record_label_references): Remove.
15544 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
15546 (goto_block_pat, print_blocks, dump_stack_info): Remove.
15547 (reg_to_stack): Simplified test for existance of fp code. Use
15548 flow.c code. Call shorten_branches after cross-jump opt.
15549 (check_asm_stack_operands): Renamed from record_asm_reg_life.
15550 Return false if the asm doesn't use stack regs. Don't do life
15551 analysis on the asm.
15552 (emit_pop_insn): Replace function pointer arg `when' with
15553 enum `where'. Update all callers.
15554 (change_stack): Likewise. Update basic block end.
15555 (emit_swap_insn): Use current_block->head to limit reverse search
15556 for start of block. Use emit_block_insn_after.
15557 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
15558 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
15559 structure assignment instead of bcopy.
15560 (print_stack): New.
15561 (convert_regs_entry, convert_regs_exit): New.
15562 (convert_regs_1, convert_regs_2): Split out from convert_regs.
15563 Work on basic blocks and the CFG.
15564 (convert_regs): Use them.
15566 * i386.c (output_fix_trunc): Remove code for DImode input operand
15567 not at top-of-stack.
15568 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
15570 (fix_truncdi_1): Allow any mode scratch.
15572 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
15574 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
15575 * linux.h, netbsd.h, vms.h: Not here.
15577 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
15579 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
15580 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
15581 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
15582 CONDITIONAL_REGISTER_USEAGE): Use them.
15583 * config/mips/mips.c (mips_move_1word,mips_move_2words,
15584 gen_conditional_branch,override_options) : Use them.
15585 * config/mips/mips.md : Use them.
15587 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
15589 * i386.md (zero_extendqihi2): Use SImode register name with andl.
15591 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
15593 * integrate.c (function_cannot_inline_p): Don't allow inlining
15596 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15598 * c-parse.in (cast_expr): Constify.
15600 * cccp.c (special_symbol): Likewise.
15602 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
15604 * dwarf2out.c (base_type_die): Likewise.
15606 * global.c (allocno_compare): Likewise.
15608 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
15610 * regclass.c (fix_register): Likewise.
15612 * rtl.h (fix_register): Likewise.
15614 * stupid.c (stupid_reg_compare): Likewise.
15616 * toplev.c (decode_f_option): Likewise.
15618 * tree.c (build_complex_type): Likewise.
15620 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
15622 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
15624 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15626 * reload.c (find_reloads): Compute mode and nregs fields of all
15628 * reload1.c (calculate_needs_all_insns): Simplify a bit.
15629 (calculate_needs): Use precomputed mode/nregs values.
15630 (allocate_reload_reg): Likewise.
15632 (failed_reload, set_reload_reg): ... new functions.
15633 (choose_reload_regs_init): New function, mostly broken out from...
15634 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
15635 Also lose one #if 0 block.
15637 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
15639 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
15642 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
15644 * tree.h (BLOCK_TYPE_TAGS): Remove.
15645 (BLOCK_END_NOTE): Likewise.
15646 (BLOCK_LIVE_RANGE_FLAG): Likewise.
15647 (BLOCK_LIVE_RANGE_START): Likewise.
15648 (BLOCK_LIVE_RANGE_END): Likewise.
15649 (tree_block): Remove live_range_flag, live_range_var_flag, and
15650 type_tags. Remove end_note, live_range_start, and live_range_end.
15651 (remember_end_note): Remove prototype.
15652 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
15653 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
15655 * ggc-common.c (ggc_mark_tree_children): Don't mark
15656 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
15657 * integrate.c (adjust_copied_decl_tree): Remove.
15658 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
15659 * stmt.c (last_block_end_note): Remove.
15660 (init_stmt): Don't add a GC root for it.
15661 (expand_fixup): Don't set it.
15662 (remember_end_note): Remove.
15663 (expand_end_bindings): Don't set last_block_end_note.
15665 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15667 * reload1.c (reload_reg_free_for_value_p): Show
15668 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
15671 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
15673 * expmed.c (extract_bit_field): Allow for the case of non-integer
15674 objects that are smaller than a word (like SFmode on a 64-bit
15677 * loop.c (basic_induction_var): A non-integer variable which is
15678 being set by a paradoxical subreg is probably not a biv.
15680 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15682 * prefix.c (translate_name) Check for empty prefix string.
15684 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
15686 * Makefile.in (CPP_CROSS_NAME): New variable.
15687 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
15689 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
15690 names of the files to be uninstalled.
15692 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
15694 * collect2.c (IS_DIR_SEPARATOR): Define.
15695 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
15697 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
15700 * haifa-sched.c (add_dependence): Update the true dependency
15701 cache the first time we add a true dependence to the LOG_LINKS chain.
15703 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
15705 * fold-const.c (fold): Fix comment.
15707 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15709 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
15710 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
15711 dbxout_start_new_source_file, dbxout_source_file,
15712 dbxout_source_line, dbxout_finish, dbxout_type_fields,
15713 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
15715 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
15716 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
15717 (dbxout_block): Initialize variable `blocknum'.
15719 * dbxout.h (dbxout_init, dbxout_finish,
15720 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
15721 dbxout_args, dbxout_source_line): Constify a char*.
15723 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
15724 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
15725 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
15726 low_pc_attribute, high_pc_attribute, body_begin_attribute,
15727 body_end_attribute, comp_dir_attribute, sf_names_attribute,
15728 src_info_attribute, mac_info_attribute, producer_attribute,
15729 lookup_filename, generate_macinfo_entry, fundamental_type_code,
15730 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
15731 dwarfout_undef): Constify a char*.
15732 (add_incomplete_type, retry_incomplete_types): Add prototypes.
15734 * dwarfout.h (dwarfout_define, dwarfout_undef,
15735 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
15737 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
15739 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
15740 (MULTILIB_ISA_DEFAULT): New.
15741 (MULTILIB_DEFAULTS): Use it.
15742 * config/mips/mips.c (): Remove the now unnecessary definition
15743 of MIPS_ISA_DEFAULT.
15744 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
15745 unnecessary definition.
15747 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
15749 * arm.md (pic_load_addr): Add constraints to operand 1.
15751 1999-10-25 Bruce Korb <autogen@linuxbox.com>
15753 * fixinc/genfixes: Provide a means for specifying -D options to
15756 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
15758 * arm.c (arm_override_options): Correct initialization of
15759 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
15760 arm_is_strong, and arm_is_6_or_7.
15762 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
15763 (note_set_pseudo_multiple_uses): New function.
15764 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
15765 if a pseudo set in the loop exit is used elsewhere.
15767 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
15769 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
15771 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
15773 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
15774 a single load-address pattern.
15776 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
15778 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
15779 depending on whether or not line-number notes are present.
15781 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15783 * cccp.c (progname, file_buf, default_include, include_file,
15784 macrodef, definition, hashval, wchar_type, user_label_prefix,
15785 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
15786 expand_to_temp_buffer, is_system_include, base_name,
15787 absolute_filename, read_name_map, open_include_file,
15788 record_control_macro, check_precompiled, check_preconditions,
15789 pcfinclude, pass_thru_directive, create_definition,
15790 check_macro_name, comp_def_part, collect_expansion,
15791 check_assertion, read_token_list, assertion_install,
15792 assertion_lookup, eval_if_expression, conditional_skip,
15793 validate_else, skip_quoted_string, quote_string, macarg1,
15794 error_from_errno, install, lookup, hashf, dump_defn_1,
15795 perror_with_name, pfatal_with_name, main, trigraph_pcp,
15796 check_white_space, rescan, handle_directive, monthnames,
15797 special_symbol, do_include, remap_include_file, write_output,
15798 arglist, do_assert, do_unassert, do_line, do_error, do_once,
15799 do_ident, do_sccs, do_xifdef, skip_if_group,
15800 output_line_directive, macroexpand, macarg, change_newlines,
15801 initialize_builtins, make_definition): Constify a char*.
15803 * pcp.h (stringdef): Likewise.
15805 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
15807 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
15810 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
15811 Richard Henderson <rth@cygnus.com>
15813 * alias.c: Include ggc.h.
15814 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
15815 (record_set): Verify enough room in reg_base_value.
15816 (init_alias_analysis): Allocate reg_base_value with xcalloc.
15817 Register it as a GC root.
15818 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
15819 * Makefile.in (alias.o): Depend on ggc.h.
15821 * unroll.c (unroll_loop): Verify the insn before a barrier
15822 is a JUMP_INSN before checking JUMP_LABEL.
15824 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15826 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
15827 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
15828 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
15829 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
15830 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
15831 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
15833 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15835 * output.h (ctors_section, dtors_section, bss_section): Prototype.
15837 * alpha/alpha-interix.h (text_section): Delete prototype.
15838 * alpha/elf.h (text_section): Likewise.
15839 * arm/linux-elf.h (text_section): Likewise.
15840 * arm/linux-telf.h (text_section): Likewise.
15841 * c4x/c4x.h (text_section): Likewise.
15842 * dsp16xx/dsp16xx.h (bss_section): Likewise.
15843 * elfos.h (text_section): Likewise.
15844 * i386/aix386ng.h (text_section): Likewise.
15845 * i386/i386-interix.h (text_section): Likewise.
15846 * i386/sco5.h (text_section): Likewise.
15847 * i386/svr3gas.h (text_section): Likewise.
15848 * nextstep.h (text_section): Likewise.
15849 * psos.h (text_section): Likewise.
15850 * ptx4.h (text_section): Likewise.
15851 * svr3.h (text_section): Likewise.
15852 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
15854 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15856 * final.c (peephole): Delete prototype.
15858 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
15859 (pre_insert_copies): Remove unused variable `bb'.
15861 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
15864 * output.h (peephole): Add prototype.
15866 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
15868 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
15871 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
15873 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
15874 for inlined declarations.
15876 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
15878 * arm.c (logical_binary_operator): New fucntion.
15879 * arm.h (logical_binary_operator): Declare it.
15880 (PREDICATE_CODES): Handle logical_binary_operator.
15881 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
15882 output constraints. Add appropriate splitters.
15883 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
15884 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
15885 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
15887 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15889 * genoutput.c (struct operand_data): New elt eliminable.
15890 (output_operand_data): Write it.
15891 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
15892 (compare_operands): Take it into account.
15893 * recog.h (struct insn_operand_data): New elt eliminable.
15894 * reload1.c (check_eliminable_occurrences, elimination_effects): New
15896 (old_asm_operands_vec, new_asm_operands_vec): Delete.
15897 (eliminate_regs): Move code that detects changes to elimination
15898 target regs into new function elimination_effects.
15899 Delete one #if 0 block.
15900 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
15901 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
15902 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
15903 Only call eliminate_regs for real operands of the insn, not for parts
15904 of its structure or parts matched by things like match_operator.
15905 Use elimination_effects and check_eliminable_occurrences. Use
15906 copy_insn to duplicate the pattern when not in the final pass.
15908 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
15910 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
15913 1999-10-22 Bruce Korb <autogen@linuxbox.com>
15915 * fixinc/README: document the "mach" machine matching test
15916 * fixinc/fixfixes.c: Implement the #else/#endif label fix
15917 * fixinc/fixtests.c: Implement the #else/#endif label test
15918 * fixinc/inclhack.def: utilize these tests and fixes
15919 * fixinc/inclhack.sh: regen
15920 * fixinc/fixincl.x: regen
15921 * fixinc/fixincl.sh: regen
15923 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
15925 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
15928 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
15930 * gcc.1: Document exit codes.
15932 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15934 * calls.c: Include tm_p.h later, so everything we need is defined.
15935 * expr.c: Likewise.
15936 * function.c: Likewise.
15938 * except.c: Include tm_p.h.
15940 * sparc.c: Likewise.
15941 (dwarf2out_cfi_label): Don't prototype.
15942 (check_return_regs, epilogue_renumber,
15943 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
15944 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
15945 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
15946 ultra_schedule_insn): Add static prototype.
15947 (data_segment_operand, text_segment_operand): Call itself with the
15948 proper number of arguments.
15949 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
15951 * sparc.h: Move all declarations to sparc-protos.h.
15952 (SELECT_RTX_SECTION): Pass a missing MODE argument to
15955 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
15957 * config/svr4.h (text_section, ctors_section, dtors_section): Add
15959 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
15960 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
15961 ASM_OUTPUT_ASCII): Constify a char*.
15963 * sparc-protos.h: New file for sparc prototypes.
15965 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15967 * function.c (record_insns, contains): Always declare and define.
15968 (record_insns): Mark with ATTRIBUTE_UNUSED.
15970 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
15972 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
15973 to .section when outputting a .bss section to deal with multiple
15974 .bss input sections (as happens with -fdata-sections)
15975 Also output %progbits, not @progbits so the assembler doesn't treat as
15977 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
15979 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
15980 thumb parts even when building with non-thumb CPUs, by forcing
15983 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
15985 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
15986 (movdf_const_intreg_sp64): Similarly.
15988 * local-alloc.c (update_equiv_regs): Check the correct insn
15989 for pre-existing REG_EQUIV notes.
15991 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
15993 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
15994 block reached by a branch if we're not going to actually process
15997 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
15999 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16000 a local extern function declaration.
16002 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16004 * i386.c (ix86_expand_prologue): Properly wrap USE around
16005 reg for CALL_INSN_FUNCTION_USAGE.
16007 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16009 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16010 move between GP_REGs.
16012 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16014 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16015 the mode size when finding out if an offset is legal.
16017 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16019 * basic-block.h (PROP_*): Move constants from ...
16020 * flow.c: ... here.
16021 (compute_bb_for_insn): Free the array before reallocating.
16022 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16023 (allocate_reg_life_data): Reset all reg variables collected by
16025 (get_block_head_tail): Don't convert from bb to block.
16026 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16027 (find_insn_reg_weight): Take block not bb.
16028 (schedule_block): Don't set block num for moved insns.
16029 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16030 (schedule_insns): Do it here instead.
16031 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16032 before update_life_info.
16033 * recog.c (split_all_insns, peephole2_optimize): Update for
16034 new arg to update_life_info.
16035 * rtlanal.c (remove_note): Cope with NULL note.
16036 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16039 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16041 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16043 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16044 block records so that merge_blocks_nomove will clean up correctly.
16045 (split_edge): Handle casesi insns.
16047 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16049 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16051 * pa.md (call, call_value): Do not emit a blockage after restoring
16054 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16056 * c-typeck.c (c_expand_asm_operands): Fix typo.
16058 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16060 * arm.c (fpu_rhs_operand): Verify modes.
16061 (fpu_add_operand): Likewise.
16062 (di_operand): Likewise.
16063 (soft_df_operand): Likewise.
16065 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16067 * arm.c (arm_return_in_memory): APCS rules state that the elements
16068 of a structure returned in a register must be 'integer-like'.
16070 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16072 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16073 in the source tree when the generated targets are out of date
16074 * fixinc/genfixes: Alter it to run individual fixes for make.
16075 * fixinc/README: rewrite
16076 * fixinc/inclhack.def: moved initial comments to README
16078 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16080 * toplev.c (main): Do not generate an error message if an
16081 unrecognised command line switch is recognisable by another
16082 language. If extra_warnings are enabled, then generate a
16083 warning message instead.
16085 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16087 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16088 (insert_pack_attributes): Delete prototype.
16090 * c-pragma.c (default_alignment): New static variable.
16091 (push_alignment): Initialize to current effective alignment.
16092 (pop_alignment): Use to set new alignment.
16093 (insert_pack_attributes): Delete function.
16094 (handle_pragma_token): Set default_alignment as well each time
16095 a #pragma pack(<n>) is encountered.
16097 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16099 * reg-stack.c (stack_result): Aggregates are not returned in
16102 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16104 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16106 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16108 * basic-block.h (set_block_num): Declare.
16109 * flow.c (update_life_info): Don't call compute_bb_for_insn
16110 or free_basic_block_vars.
16111 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16112 (insn_orig_block): Remove.
16113 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16114 (schedule_block): Keep BLOCK_NUM up-to-date.
16115 (schedule_insns): Use compute_bb_for_insn.
16116 * recog.c (split_all_insns): Likewise.
16117 (peephole2_optimize): Likewise.
16119 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16121 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16122 if the pic register is used.
16124 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16126 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16127 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16128 if that tests TREE_PERMANENT.
16130 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16132 * cse.c (invalidate_for_call): Do not remove memory references from
16133 the table here. It's handled elsewhere.
16135 * haifa-sched.c (add_dependence): Protect references to the
16136 true dependency cache with #ifdef INSN_SCHEDULING.
16137 (remove_dependence): Similarly.
16139 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16140 to the cfg code that this is a return instruction.
16141 * mn10300.md (return_internal): Similarly.
16143 * combine.c (get_last_value): If the last set of a register
16144 is after subst_low_cuid, then we can not use it to determine
16145 the register's last value.
16147 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16149 * Makefile.in: Back out previous change.
16151 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16153 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16155 * haifa-sched.c (add_dependence): Only check/update the cache
16157 (remove_dependence): Likewise.
16158 (schedule_insns): Only create the true_dependency_cache if the
16159 average number of instructions in a basic block is very large.
16161 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16163 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16164 (ggc-simple.o): Likewise.
16165 (ggc-page.o): Likewise.
16167 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16169 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16170 Prototype for exported functions.
16171 (pre_lcm, pre_rev_lcm): Remove prototypes.
16172 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16173 (compute_available): Move to lcm.c, and change parameter order.
16174 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16175 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16176 (gcse_main): No longer call compute_preds_succs. Rebuild the
16177 set table after reach pre pass.
16178 (pre_insert_map, pre_delete_map, edge_list): New.
16179 (alloc_pre_mem): Allocate edge vectors.
16180 (free_pre_mem): Delete edge vectors.
16181 (compute_pre_data): Call new edge based lcm routines.
16182 (process_insert_insn): New function.
16183 (insert_insn_end_bb): Use it.
16184 (pre_edge_insert): New function.
16185 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16187 (pre_insert_copies): Revamp using new edge based lcm outputs.
16188 (pre_delete): Likewise.
16189 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16191 (compute_code_hoist_vbeinout): New new edge based routines.
16192 * lcm.c: Remove all the old LCM functions. Replace with new ones
16193 that work with the new cfg datastructures and work with edges
16196 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16198 * reload.h (struct reload): Add new fields "mode" and "nregs".
16199 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16200 to reference the "mode" and "nregs" field within struct reload.
16202 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16204 * haifa-sched.c (true_dependency_cache): New.
16205 (add_dependence): Use the true dependency cache to avoid expensive
16206 walks down the LOG_LINKS dependency list. Add entries to the
16207 cache as necessary.
16208 (remove_dependence): Remove entries from the true dependency cache
16210 (schedule_insns): Allocate and initialize and free the true
16213 * haifa-sched.c (schedule_insns): Do not remove inter-block
16214 dependencies anymore.
16216 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16218 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16219 * i386/t-winnt: Likewise.
16221 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16223 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16225 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16227 * Makefile.in (LANGUAGES): Omit "proto".
16228 (clean): Remove stale comment about removing unprotoize.c.
16230 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16232 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16233 using arithmetic on void pointers.
16235 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16237 * haifa-sched.c (compute_block_forward_dependencies): Only check
16238 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16240 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16242 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16243 (expr_equiv_p): Reject memories with different alias sets.
16245 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16247 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16248 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16249 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16250 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16251 (lang_init): Set default for flag_bounds_check if still "unspecified".
16253 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16255 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16257 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16259 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16262 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16264 * config/c4x/c4x.md (*db_noclobber,
16265 *decrement_and_branch_until_zero_noclobber): New patterns and
16266 associated splitters.
16268 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16270 * config/c4x/c4x.md (parallel instruction patterns): Rework
16271 constraints to keep reload happy.
16273 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16275 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16276 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16277 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16278 Add new patterns and associated post-reload splitters.
16280 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16282 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16284 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16286 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16288 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16290 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16292 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16295 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16297 * pa.c (move_operand): Rely on memory_address_p to determine the
16298 validity of non-indexed memory addresses.
16299 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16300 operand in DFmode and SFmode when generating PA2.0 code.
16302 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16304 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16306 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16308 * mips.c (function_prologue): Fix argument types.
16309 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16310 (casesi_internal): Write to the scratch register.
16312 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16314 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16316 (parse_charconst): Delete unnecessary cast when calling
16318 (cpplib.h): Kill prototype of cpp_parse_escape.
16320 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16322 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16323 * unroll.c (unroll_loop): Cast return value of alloca.
16324 * i370/i370.c: Include function.h and toplev.h.
16325 (i370_label_scan): Remove c++ commented abort.
16326 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16327 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16328 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16329 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16331 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16333 * config/t-freebsd: Do not override USER_H.
16334 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16336 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16337 Mumit Khan <khan@xraylith.wisc.edu>
16339 * c-parse.in (component_decl): Support anonymous struct/union.
16341 * c-parse.y: Regenerate.
16342 * c-parse.c: Likewise.
16343 * objc/objc-parse.y: Likewise.
16344 * objc/objc-parse.c: Likewise.
16345 * c-decl.c (finish_struct): Don't sort the fields.
16346 (field_decl_cmp): Delete unused function.
16348 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16350 * sparc.md (movsf_const_intreg): Revert last constraint change.
16351 (movdf_const_intreg_sp32): Likewise.
16353 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16355 * cse.c: Include hashtab.h instead of splay-tree.h
16356 (struct cse_reg_info): No longer use variant union. Add new
16357 field "regno". All references changed to avoid union.
16358 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16359 (free_cse_reg_info): Remove.
16360 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16361 (get_cse_reg_info): Revamp to use expandable hash tables instead
16362 of splay trees. Initialize new fields in cse_reg_info structure.
16363 (new_basic_block): Similarly.
16365 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16367 * genrecog.c (message_with_line): Prototype.
16368 (validate_pattern): Pass along the set for the dest, not a flag.
16369 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16370 Check for PC/CC0 as sources.
16371 (nodes_identical): Check for children position match before
16372 allowing the combination.
16374 * rtl.c (read_rtx): Track line number across \\\n.
16376 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16378 * mips.h (SPECIAL_MODE_PREDICATES): New.
16379 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16380 (movdi+1, movsi+1): Add output reload constraint.
16381 (casesi_internal): Likewise. Fix commentary.
16382 (return_internal): Use pmode_register_operand.
16384 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16386 * 1750a.md (movstrqi): Add missing output reload constraint.
16387 (call_value): Likewise.
16388 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16389 (jmpfdec): Add missing inout reload constraint.
16390 * elxsi.md (addsi patterns): Add missing output reload constraint.
16391 (move from sp): Use @ alternates.
16392 (call_value): No constraint on output.
16393 * fr30.md (movsi_pop): Add missing output reload constraint.
16394 (movsf_constant_store): Likewise.
16395 (splits): Remove constraints.
16396 (subsi3): Add missing mode.
16397 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16398 (call_value): Likewise.
16399 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16400 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16401 * m32r.md (movsicc_internal): Add output reload constraint.
16402 (movstrsi_internal): Add inout reload constraints.
16403 * m88k.h (reg_names): Don't declare.
16404 (SPECIAL_MODE_PREDICATES): New.
16405 * m88k.md (*): Use register_operand not reg_or_0_operand
16407 * mn10200.h (PREDICATE_CODES): New.
16408 * ns32k.md (ffs pattern): Add output reload constraint.
16409 * pdp11.md (sob pattern): Add inout reload constraint.
16410 * sh.md (splits): Remove constraints.
16411 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
16412 * v850.md (pattern_is_ok_for_epilogue): Likewise.
16413 * vax.md (jgequ pattern): Add inout reload constraint.
16415 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
16417 * configure.in (djgpp): Revert previous patch.
16418 * configure: Rebuit.
16419 * config/i386/djgpp.h: Revert previous patch.
16421 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
16423 * fixinc/inclhack.def: Restore patch lost during last merge of
16424 "no_bogosity" branch.
16425 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16427 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16429 * fixincludes: Add a HPUX 11 fix for inttypes.h.
16430 * fixinc/inclhack.def: Same.
16431 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
16433 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
16435 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
16436 as the base of a PLUS.
16438 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16440 * config/c4x/c4x.md: Define mode for remaining unspec operators.
16441 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
16443 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
16445 * pa.md (post_stw+1): Use pmode_register_operand.
16446 (dcacheflush, icacheflush): Likewise.
16448 * i386.md (movstricthi_1): Allow r/r.
16450 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
16452 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
16453 to (not (and (arg0) (arg1))). Similary for and.
16455 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
16456 fallthrough to associate code.
16457 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
16460 * combine.c (simplify_logical): Convert XOR to IOR if operands have
16461 no bits in common; remove XOR to ROTATE conversion.
16463 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16465 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
16467 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16469 * config/c4x/c4x.c (dst_operand): New.
16470 (PREDICATE_CODES): Update.
16471 * config/c4x/c4x.h (dst_operand): Declare it.
16472 * config/c4x/c4x.md: Define mode for each unspec usage.
16473 (move patterns): Use dst_operand predicate instead of src_operand.
16474 (movqi_update, movqf_update): Delete.
16476 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
16478 * recog.c (pmode_register_operand): New.
16479 * recog.h: Declare it.
16480 * genrecog.c (pred_codes): Likewise.
16481 (special_mode_pred_table): Likewise.
16482 (validate_pattern): Don't warn no mode for address_operand.
16484 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
16485 if the operand is not insn-like.
16487 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
16488 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
16490 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
16492 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
16494 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
16495 instead of general_operand in a SET_DEST. Use const_double_operand
16496 instead of an explicit test against CONST_DOUBLE.
16497 (movsf_const_lo): Add missing register mode.
16498 (goto_handler_and_restore): Add auxiliary test for Pmode.
16499 (flush): Adjust to use address_operand.
16500 (return_sf_no_fpu): Add missing output constraint.
16502 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
16504 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
16505 for call return value.
16506 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
16508 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
16510 * toplev.c (main): Only warn about options for other languages.
16511 * collect2.c (main): Pass -w to sub-gcc.
16513 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
16515 * flow.c (propagate_block): Add call-clobbered registers to
16518 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
16519 zapping mem_set_list.
16520 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
16521 (mark_set_1, mark_used_regs): Likewise.
16523 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
16525 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
16527 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16529 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
16530 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
16531 options. Also add a new item "C-only Warning Options" to the
16534 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
16536 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
16537 from multiple calls.
16539 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
16541 * i386.md (call value patterns): Move to the end of the file.
16542 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
16544 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
16546 * configure.in (djgpp configuration): Define extra_objects..
16547 * configure: Rebuilt.
16548 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
16549 (DTORS_SECTION_ASM_OP): Define.
16550 (INIT_SECTION_ASM_OP): Define.
16551 (FINI_SECTION_ASM_OP): Define.
16552 (DATA_SECTION_ASM_OP): Define.
16553 (TEXT_SECTION_ASM_OP): Define.
16554 (EH_FRAME_SECTION_ASM_OP): Define.
16555 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
16556 (STARTFILE_SPEC): Add crtbegin.o.
16557 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
16558 to here from LINK_COMMAND_SPEC.
16559 (DO_GLOBAL_CTORS_BODY): Define.
16560 (CRTSTUFF_USE_FINI_SECTION): Define
16561 (HAS_INIT_SECTION): Delete.
16563 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
16565 * Makefile.in (all.cross): Depend on xcpp$(exeext).
16567 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
16569 * pa.h (PREDICATE_CODES): New.
16571 * genrecog.c (validate_pattern): Condense the destination
16572 non-lvalue message.
16574 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
16576 * alpha.md (call-1): Supply missing mode for operator.
16577 (*): Add missing output reload constraints. Remove constraints
16578 from define_splits.
16580 * i386.h (SPECIAL_MODE_PREDICATES): New.
16581 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
16582 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
16583 (addsi_lea_3): Add missing mode for op 3.
16584 (prologue_set_got, prologue_get_pc): Add missing modes.
16585 (*) Add missing output reload constraints.
16587 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
16589 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
16590 check for member bit-size overflow and use var_size if it occurs.
16591 (layout_record): Use bitsize_int() to define the type size in bits.
16592 Likewise for computation and assignment to DECL_FIELD_BITPOS.
16593 (layout_decl): Likewise when assigning to DECL_SIZE.
16595 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
16597 * genrecog.c (validate_pattern): Typo last change. Verify
16598 that output operands have output reloads.
16600 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
16602 * genrecog.c (special_mode_pred_table): New.
16603 (NUM_SPECIAL_MODE_PREDS): New.
16604 (find_operand): New.
16605 (validate_pattern): New argument `insn'. Warn for assignment to
16606 any predicate accepting non-lvalues. Conditionaly warn for
16607 match_operand without a mode. Try much harder to match source
16608 and destination modes on a set.
16609 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
16611 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
16613 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
16615 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
16617 * combine.c (simplify_logical): Recognize xor pattern that encodes
16620 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16622 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
16625 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
16627 * ggc-page.c (MAP_FAILED): Provide default.
16629 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
16631 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
16632 * sparc.h (PREDICATE_CODES): Update.
16634 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
16636 * alpha.c (some_ni_operand): New.
16637 * alpha-protos.h: Declare it.
16638 * alpha.h (PREDICATE_CODES): Update.
16639 * alpha.md (sXaddq reload insns): Use some_ni_operand
16640 for SET_DEST instead of some_operand.
16642 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
16643 Jim Wilson <wilson@cygnus.com>
16645 * genrecog.c (maybe_both_true_2): Don't compare modes of
16647 (process_tree): Elide peephole2_insns. Invoke simplify_tests
16648 after find_afterward.
16649 (debug_decision_1): Dump next and afterward codes.
16651 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
16653 * rtl.c (dump_and_abort): Remove.
16654 (fatal_with_file_and_line): New.
16655 (fatal_expected_char): New.
16656 (read_rtx_lineno, read_rtx_filename): New.
16657 (read_skip_spaces): Track line number.
16658 (read_name): Use fatal_with_file_and_line.
16659 (read_rtx): Use fatal_expected_char. Track line number.
16660 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
16662 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
16663 if it isn't a CODE_LABEL.
16665 * genattr.c (main): Set read_rtx_filename.
16666 * genattrtab.c (main): Likewise.
16667 * gencodes.c (main): Likewise.
16668 * genconfig.c (main): Likewise.
16669 * genemit.c (main): Likewise.
16670 * genextract.c (main): Likewise.
16671 * genflags.c (main): Likewise.
16672 * genopinit.c (main): Likewise.
16673 * genoutput.c (main): Likewise.
16674 * genpeep.c (main): Likewise.
16676 * genrecog.c (decision_test.u.insn): Add `lineno'.
16677 (pattern_lineno, error_count): New variables.
16678 (message_with_line): New.
16679 (add_to_sequence): Break out checking code to ...
16680 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
16681 (merge_insn): Use message_with_line.
16682 (make_insn_sequence): Use validate_pattern. Record insn lineno.
16683 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
16685 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16687 * expr.c (store_constructor): Clear union if constructor is empty.
16689 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
16691 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
16692 Add !endian checks. Change %{...} to %(...).
16694 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
16696 * i386.md (*addsi3_cc): Renamed from addcsi3.
16697 (*addsi3_carry): Renamed from addxsi3.
16698 (*subsi3_cc): Renamed from subcsi3.
16699 (*subsi3_carry): Renamed from subxsi3.
16700 (*xorqi_cc_1): Renamed from xorcqi_1.
16701 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
16702 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
16704 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
16706 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
16707 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
16709 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
16711 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
16712 climb up the chain of insns.
16714 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
16716 * genrecog.c (write_subroutine): Careful for null trees.
16717 (process_tree): Don't elide empty functions.
16719 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
16721 * Makefile.in (genrtl.o): Depend on ggc.h.
16722 * configure.in (valloc): Probe for it.
16723 (with-gc): Use ggc-page if valloc present.
16724 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
16725 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
16726 (ggc_alloc_string): Moved from ggc-page.c.
16727 * ggc-none.c (ggc_alloc_obj): New.
16728 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
16729 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
16730 (struct globals): Likewise for dev_zero_fd.
16731 (init_ggc): Likewise for it's initialization.
16732 (ggc_allocated_p): Move careful dereference from ...
16733 (ggc_lookup_page_table): ... here. Delete.
16734 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
16735 (alloc_anon): Use valloc if no mmap.
16736 (release_pages): Use free if using valloc.
16737 (ggc_alloc_obj): Renamed from alloc_obj.
16738 (ggc_set_mark): Renamed from mark_obj.
16739 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
16740 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
16741 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
16742 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
16743 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
16744 (ggc_collect): Use fp printing instead of our own rounding.
16745 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
16746 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
16747 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
16748 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
16749 (struct ggc_string, struct ggc_any): Delete.
16750 (offsetof): Provide default definition.
16751 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
16753 (struct ggc_mem): New, from corpse of ggc_any.
16754 (struct ggc_status): Delete.
16755 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
16756 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
16757 (n_strings_collected, n_anys_collected): Delete.
16758 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
16759 (ggc_alloc_string, ggc_alloc): Delete.
16760 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
16761 (ggc_free_string, ggc_free_any): Delete.
16762 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
16763 (ggc_compare_addresses, ggc_mark_string): Delete.
16764 (ggc_mark_string_if_gcable, ggc_mark): Delete.
16765 (search_data): Delete.
16766 (struct globals): New.
16767 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
16768 (tree_insert, tree_lookup): New.
16769 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
16770 (clear_marks, sweep_objs): New.
16771 (ggc_collect): Gut. Use clear_marks, sweep_objs.
16772 (init_ggc): Set allocated_last_gc.
16773 (ggc_push_context): Gut. Use G.context.
16774 (ggc_pop_context): Likewise.
16775 (ggc_pop_context_1): New.
16776 (debug_ggc_tree): New.
16777 (debug_ggc_balance, tally_leaves): New.
16778 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
16779 (ggc_mark_string_if_gcable): Remove decl.
16780 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
16781 (ggc_mark_rtvec_children): New.
16782 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
16783 (ggc_mark_if_gcable): New decl.
16784 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
16785 (ggc_alloc_tree, ggc_alloc): Likewise.
16786 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
16787 (ggc_alloc_obj): New decl.
16788 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
16789 (ggc_alloc_tree, ggc_alloc): Likewise.
16790 (ggc_set_mark): New decl.
16791 * rtl.h (struct rtx_def): Remove gc_mark.
16792 (struct rtvec_def): Likewise.
16793 * tree.h (struct tree_common): Likewise.
16795 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
16797 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
16798 float_format and thread_file definitions.
16799 * configure: Rebuilt.
16801 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
16803 * extend.texi (Function Names): Document types of function names.
16805 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16807 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16808 an earlyclobbered output conflict with RELOAD_INPUT reloads.
16810 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16812 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
16814 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16816 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
16818 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
16820 * collect2.c (main): Do prelimnary link on AIX if rflag.
16822 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16824 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
16825 __CTOR_LIST__ in opposite order, which is the correct order for sorted
16827 (__do_global_dtors): similarly for __DTOR_LIST__.
16829 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16830 Diego Novillo <dnovillo@cygnus.com>
16832 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
16835 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
16837 * fixincl/*: Merged "no_bogosity" branch
16838 * fixincl/fixlib.h: protect against doubly defining t_bool
16839 * fixincl/server.h: protect against doubly defining t_bool
16841 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
16843 * genoutput.c: Include toplev.h.
16845 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
16847 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
16849 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
16850 * configure: Regenerate.
16852 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
16854 * gcse.c (delete_null_pointer_checks): Returns void.
16856 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16858 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
16859 * emit-rtl.c (copy_insn_1): Likewise.
16861 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
16863 * config/mips/mips.c (mips_build_va_list): Correct
16864 TREE_CHAIN setting when hard-float.
16865 (mips_va_start): Use corrected setting.
16866 (mips_va_arg): Likewise. Also pass a tree to build of
16867 POSTINCREMENT_EXPR rather than a naked 'int'.
16869 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
16871 * ggc.h (ggc_push_context): Fix comment.
16872 (ggc_pop_context): Likewise.
16873 (mark_string_if_gcable): Likewise.
16874 * ggc-common.c (ggc_mark_rtx_children): Use
16875 ggc_mark_string_if_gcable.
16876 * ggc-page.c (ggc_lookup_page_table): New function.
16877 (ggc_allocated_p): Likewise.
16878 (mark_obj): Fix formatting.
16879 (ggc_mark_string_if_gcable): New function.
16880 * ggc-simple.c (ggc_allocated_strings): New variable.
16881 (ggc_strings_used): Likewise.
16882 (ggc_compare_addresses): New function.
16883 (ggc_pop_context): Pop the `any' memory too.
16884 (ggc_mark_string_if_gcable): New function.
16885 (ggc_collect): Initialize and tear down ggc_allocated_strings.
16887 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
16889 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
16890 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
16891 * rs6000.c (expand_block_move): Match movstrsi_?reg register
16894 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
16896 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
16897 (sched_reg_live_length, sched_reg_basic_block): Delete.
16898 (current_block_num, bb_live_regs, old_live_regs): Delete.
16899 (dead_notes, struct sometimes): Delete.
16900 (sched_note_set, birthing_insn_p): Delete.
16901 (adjust_priority): Gut useless reg lifetime code.
16902 (create_reg_dead_note, attach_deaths): Delete.
16903 (attach_deaths_insn, new_sometimes_live): Delete.
16904 (finish_sometimes_live): Delete.
16905 (find_pre_sched_live, find_post_sched_live): Delete.
16906 (update_reg_usage): Delete.
16907 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
16908 (schedule_insns): Delete reg lifetime code.
16909 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
16910 (unlink_other_notes): Adjust REG_NOTE commentary.
16911 (reemit_notes): Use REG_SAVE_NOTE.
16912 (schedule_block): Likewise.
16913 (schedule_region): Allocate bitmap of blocks in region. Use
16914 count_or_remove_death_notes. Use update_life_info.
16916 * rtl.h (REG_SAVE_NOTE): New.
16917 * rtl.c (reg_note_name): Update.
16919 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
16921 * combine.c (refresh_blocks, need_refresh): New.
16922 (combine_instructions): Allocate refresh_blocks. Invoke
16923 update_life_info if needed.
16924 (distribute_notes): Mark refresh_blocks instead of installing
16926 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
16927 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
16929 * Makefile.in (recog.o): Depend on basic-block.h.
16931 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
16933 * genrecog.c (add_to_sequence): Thinko last change: delete
16934 shadowing allow_const_int variable.
16936 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16938 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
16939 __GNUC__ and __GNUC_MINOR__.
16941 * gansidecl.h: Likewise.
16947 * toplev.h: Likewise.
16949 * tree.c: Likewise.
16951 * tree.h: Likewise.
16953 * varray.c: Likewise.
16955 * varray.h: Likewise.
16957 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16959 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
16960 use one before a jump table.
16962 * rtl.def (ADDRESS): Change documentation to match reality.
16963 * md.texi: Don't document it.
16964 * gmicro.md (load address pattern): Use 'p' constraint, delete use
16967 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
16969 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
16971 * genrecog.c (add_to_sequence): Move allow_const_int test outside
16972 known predicate block; default allow_const_int true.
16973 (debug_decision_list): New.
16975 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
16977 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
16979 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
16981 * gcse.c (gcse_main): Avoid global optimizations if we have a
16982 large number of basic blocks and the ratio of edges to blocks
16984 (delete_null_pointer_checks): Likewise.
16986 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
16988 * c-common.c (check_format_info): Warn if format string isn't a
16991 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16993 * configure.in (arm*-*-*): Don't let autoconf remove brackets
16994 * configure: regenerate
16996 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
16998 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
16999 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17000 (peepholes): Re-enable.
17002 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17004 * Makefile.in (flow.o): Depend on TREE_H.
17005 * basic-block.h (REG_SET_EQUAL_P): New.
17006 (XOR_REG_SET): New.
17007 (n_edges): Declare.
17008 (free_regset_vector): Remove declaration.
17009 (flow_delete_insn_chain): Declare.
17010 (enum update_life_extent): New.
17011 (update_life_info, count_or_remove_death_notes): Declare.
17012 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17013 Verify register live at bb->global_live_at_start before adding USE.
17014 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17015 (CLEAN_ALLOCA): New.
17017 (PROP_*): New flags.
17018 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17019 (clear_edges): Zero n_edges.
17020 (make_edge): Increment n_edges.
17021 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17022 (flow_delete_insn_chain): Export.
17023 (delete_block): Decrement n_edges.
17024 (merge_blocks_nomove): Likewise.
17025 (life_analysis): Give life_analysis_1 PROP flags.
17026 (verify_wide_reg_1, verify_wide_reg): New.
17027 (verify_local_live_at_start): New.
17028 (update_life_info): Rewrite to call into propogate_block.
17030 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17031 always mark stack pointer. Conditionally mark PIC register.
17032 After reload, mark call-saved registers, return regsiters.
17033 (life_analysis_1): Accept PROP flags not remove_dead_code.
17034 Call mark_regs_live_at_end before zeroing regs_ever_live.
17035 Use calculate_global_regs_live. Copy global_live_at_end before
17036 calling final propagate_block. Zero reg_next_use on exit.
17037 (calculate_global_regs_live): New.
17038 (allocate_bb_life_data): Don't allocate bb->local_set.
17039 (init_regset_vector, free_regset_vector): Remove.
17040 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17041 Test flags before every operation. Warn if prologue/epilogue insn
17042 would have been deleted.
17043 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17044 Use alloc_EXPR_LIST.
17045 (mark_used_regs): Accept and use FLAGS, not FINAL.
17046 Remove special handling for RETURN.
17047 (try_pre_increment): Use alloc_EXPR_LIST.
17048 (dump_flow_info): Dump n_edges.
17049 (unlink_insn_chain, split_hard_reg_notes): Remove.
17050 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17051 (find_insn_with_note, new_insn_dead_notes): Remove.
17052 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17053 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17054 (replace_insns): Remove.
17055 (count_or_remove_death_notes): New.
17056 (verify_flow_info): Abort on error after all checks.
17057 (remove_edge): Decrement n_edges.
17058 (remove_fake_edges): Tweak format.
17059 * haifa-sched.c (schedule_insns): Use split_all_insns.
17060 * output.h (update_life_info): Remove declaration.
17061 * recog.c (split_all_insns): From the corpse of split_block_insns,
17062 do the whole function block by block. Use update_life_info.
17063 (recog_last_allowed_insn): New.
17064 (recog_next_insn): Mind it.
17065 (peephole2_optimize): Set it. Walk backwards through blocks.
17066 Use update_life_info.
17067 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17068 (split_all_insns): Declare.
17069 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17070 Use split_all_insns.
17072 * i386.md (or -1 peep2s): Disable.
17074 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17076 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17077 a single pattern. Scrap the 'd' versions as unnecessary.
17079 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17080 tablejump_mips162,tablejump_internal4): The operands to a
17081 label_ref must be VOIDmode.
17083 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17085 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17087 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17089 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17091 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17093 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17094 cache every function if ggc_p.
17096 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17098 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17099 instead of copy_rtx. Accept sequences that contain asm statements.
17100 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17101 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17102 orig_asm_operands_vector, copy_asm_operands_vector,
17103 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17105 * rtl.h (copy_insn, copy_insn_1): Declare.
17107 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17109 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17111 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17112 arguments to `current_file_function_operand'.
17114 * genrecog.c: Include hard-reg-set.h and resource.h in the
17115 generated output file.
17117 * real.c: Include tm_p.h.
17119 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17121 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17124 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17126 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17127 before the fctiwz insn.
17129 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17130 Mark Mitchell <mark@codesourcery.com>
17132 * tree.c (make_lang_type_fn): New funtion pointer.
17133 (make_lang_type): Call it.
17134 * tree.h (make_lang_type): Declare.
17135 (make_lang_type_fn): Likewise.
17136 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17138 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17140 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17141 make sure that HIGH instructions are copied into BASE_REGS.
17143 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17145 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17147 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17149 * c-decl.c (finish_struct): Use simpler method of
17150 removing elements of a singly-linked list.
17152 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17154 * alpha.md (peephole2's): Comment out peephole2's that generate
17157 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17159 * genrecog.c (add_to_sequence): Disable mode check for
17162 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17164 * ggc-simple.c (init_ggc): Set empty_string.
17166 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17168 * configure.in: Detect mmap. Add --with-gc=foo to select
17169 garbage collector; default to page if mmap available.
17170 * Makefile.in (GGC): Substitute.
17172 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17174 * c-decl.c (ggc_p): Enable.
17176 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17178 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17180 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17182 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17183 string for little-endian-data.
17185 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17187 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17188 case somebody tries to compile --enable-checking code with gcc
17191 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17193 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17196 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17198 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17199 * jump.c (jump_optimize_1): Document why.
17201 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17203 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17204 pointers and casts for `int_handler' and `quit_handler'.
17206 * flow.c (verify_flow_info, split_hard_reg_notes,
17207 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17208 remove_edge, remove_fake_successors): Add static prototypes.
17209 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17210 (mark_set_1): Initialize variable `regno'.
17211 (unlink_insn_chain): Likewise for variable `curr'.
17212 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17214 * loop.c (strength_reduce): Initialize variable
17215 `unrolled_insn_copies'.
17216 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17217 prototypes. Change these functions to take const PTR parameters
17218 to avoid prototype conflict when used as the comparson argument
17220 (check_dbra_loop): Initialize variable `comparison_val'.
17222 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17223 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17224 (find_valid_class): Initialize variable `best_class'.
17225 (find_reloads): Call memcpy, not bcopy.
17227 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17228 (hard_reg_use_compare): Don't needlessly cast away const.
17229 (reload_reg_class_lower): Likewise.
17230 (choose_reload_regs): Initialize variable `regno'.
17232 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17234 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17236 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17238 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17239 ({,d}discard): Add forward declarations. Declare parameter as
17241 (main_without_main): Explicitly declare return type to be int.
17242 (memcpy): Properly declare.
17244 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17245 building the trampoline support, declare malloc, free, and
17247 (__clear_cache): Mark arguments as potentially unused.
17249 * frame.c (toplevel): If inhibit_libc is defined, declare
17252 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17254 * flow.c (make_edge): Accept an optional 2D bitmap in which
17255 to cache edge existence. Update all callers.
17256 (make_label_edge, make_eh_edge): Pass through the edge cache.
17257 (make_edges): Provide the cache.
17259 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17261 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17263 (local_mbtowc): Change the type of variable `i' from int to size_t.
17265 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17266 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17268 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17270 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17271 after other includes that define the appropriate types. Include
17272 tm_p.h for getting user prototypes.
17273 * ggc-callbacks.c (toplevel): Ditto.
17274 * ggc-none.c (toplevel): Ditto.
17275 * gcc-page.c (toplevel): Ditto.
17276 * ggc-simple.c (toplevel): Ditto.
17278 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17279 Jonathan Larmour <jlarmour@cygnus.co.uk>
17281 * config/mips/mips.c (mips_move_2words): Split doubles if
17282 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17284 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17286 * genrecog.c (struct decision_test): New.
17287 (struct decision): Remove test-related members, sort the rest by size.
17288 (IS_SPLIT): Simplify.
17289 (new_decision, new_decision_test): New.
17290 (add_to_sequence): Use them. No special handling for args of
17292 (maybe_both_true): Renamed from not_both_true; return sense changed.
17293 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17294 of maybe_both_true and adjusted for decision_test.
17295 (position_merit): Remove.
17296 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17297 (merge_accept_insn): New, broken out of merge_trees.
17298 (merge_trees): Use them. No special case for c_test; no node
17299 splitting; use test type instead of position_merit.
17300 (factor_tests): New.
17301 (simplify_tests): New.
17302 (break_out_subroutines): Don't write code now.
17303 (find_afterward): New.
17304 (write_afterward, write_switch, write_cond): New.
17305 (write_action, is_unconditional): New.
17306 (write_node): New. Use them.
17307 (write_tree_1): Rewrite. Use the new functions above.
17308 (write_tree): Remove afterward processing.
17309 (write_subroutine): Simplify function variant emission.
17310 (write_subroutines): New.
17311 (same_codes, clear_codes): Remove.
17312 (same_modes, clear_modes): Remove.
17313 (write_header): New, broken out of main.
17314 (make_insn_sequence): Use new_decision and new_decision_test.
17315 (process_tree): New, broken out of main.
17316 (main): Adjust for merge_trees interface change.
17317 Don't #define operands in the output file.
17318 (record_insn_name): New, broken out of make_insn_sequence.
17319 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17320 (debug_decision): New.
17322 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17324 * resource.c (find_free_register): Mark class_str argument const.
17325 * resource.h: Update prototype to match.
17327 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17328 * i386.md: Give all anonymous insns names.
17330 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17332 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17335 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17337 * toplev.c (dbr_sched_time): Unconditional.
17338 (peephole2_time): New.
17339 (compile_file): Add pass numbers to all of the dump file suffixes.
17340 Dump peephole2_time. Don't dump times for non-applicable passes.
17341 (rest_of_compilation): Add pass numbers to dump file suffixes.
17342 Conditionalize calls to the scheduler.
17343 * invoke.texi: Update.
17345 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17347 * flow.c (make_edges): Fix insn iteration.
17348 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17349 (find_basic_blocks_1): Fix spelling mistake.
17351 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17353 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17354 always have side-effects. Use memset not bzero.
17355 (make_node): Likewise.
17357 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17359 * stmt.c (expand_anon_union_decl): When any of the elements of the
17360 union is addressable, so is the entire union.
17362 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17364 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17366 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17367 * bitmap.c (bitmap_operation): Return true iff TO changed.
17368 (bitmap_equal_p): New.
17369 (bitmap_bit_p): Tidy arithmetic.
17370 (debug_bitmap_file): Likewise.
17372 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17374 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17375 before cse2 instead of after.
17377 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17379 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17382 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17384 * cppinit.c (is_idchar initializer): Loosen tests to accept
17387 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17389 * mips.md: Define conditional move patterns for floating point
17390 operands and DI mode conditions.
17392 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17394 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17395 always have side-effects.
17397 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17399 * mn10200.c (asm_file_start): Fix typo.
17401 * cppinit.c (is_idchar initializer): Tighten tests for when
17402 to put the table into initialized memory.
17404 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17405 not an array of rtunion.
17406 * gcc-page.c (ggc_alloc_rtvec): Similarly.
17407 * gcc-simple (ggc_free_rtvec): Similarly.
17409 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
17412 * mbchar.h: Add missing #endif.
17414 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
17415 (FPBIT, DPBIT): Define.
17417 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17419 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
17421 * profile.c (instrument_arcs, output_gcov_string,
17422 tablejump_entry_p): Add static prototypes.
17423 (output_gcov_string): Constify a char*.
17425 * regmove.c (replacement_quality, fixup_match_2): Add static
17428 * resource.h (reg_dead_p): Add extern prototype.
17430 * rtl.c (trim_filename): Add static prototype.
17432 * scan-decls.c (skip_to_closing_brace): Likewise.
17434 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
17435 (expand_end_case): Initialize variable `range'.
17436 (emit_case_nodes): Remove unused prototype `rtx_fn'.
17438 * varasm.c (asm_emit_uninitialised): Add static prototype.
17439 (asm_emit_uninitialised, assemble_variable): Mark parameter with
17442 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17444 * cpplib.c (if_directive_nameo): Add static prototype.
17446 * cse.c (cse_insn): Remove unused variable `p'.
17448 * except.c (create_rethrow_ref, push_entry,
17449 receive_exception_label, new_eh_region_entry, find_func_region,
17450 clear_function_eh_region, process_nestinfo): Add static prototypes.
17451 (get_reg_for_handler): Hide definition.
17452 (process_nestinfo): Initialize variable `extra_handlers'.
17454 * expr.h (expand_builtin_longjmp): Add extern prototype.
17456 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
17458 * function.c (prepare_function_start): Likewise.
17459 (pop_function_context_from): Mark parameter `context' with
17461 (push_temp_slots_for_block, flush_addressof): Hide definition.
17463 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
17464 solve_program_flow_graph, calculate_branch_probs,
17465 function_summary, main, fancy_abort): Add prototypes.
17467 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
17468 (add_hash): Constify a char*.
17470 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
17471 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
17472 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
17474 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
17476 * lists.c (free_list, zap_lists): Likewise.
17478 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17480 * alias.c (nonlocal_reference_p): Add static prototype.
17482 * bitmap.c (bitmap_element_allocate): Prototype args in function
17485 * builtins.c (stabilize_va_list): Add static prototype.
17486 (expand_builtin_va_arg): Constify a char*.
17488 * c-lex.c (getch, put_back, extend_token_buffer_to,
17489 read_line_number, token_getch, token_put_back): Add static
17492 * c-parse.gperf (hash, is_reserved_word): Likewise.
17494 * cccp.c (is_dir_separator): Likewise.
17496 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17498 * graph.h: New file to prototype functions exported by graph.c.
17500 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
17502 * graph.c: Include graph.h.
17504 * toplev.c: Likewise. Remove redundant prototypes.
17506 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
17508 * invoke.texi: Removed duplicated description for -Q.
17510 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
17512 * extend.texi: Grammar fix in __extension__ text.
17514 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
17516 * md.texi (define_peephole2): New section.
17518 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
17520 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
17521 (mov $-1 to or peepholer): Enable for pentium when optimizing for
17524 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
17526 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
17528 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
17530 * i386.md (ffs expander): Emit Pentium friendly code for
17533 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
17535 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
17537 (build1): Likewise.
17539 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17541 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
17543 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
17545 * config/m68k/m68k.c (use_return_insn): Return false if the pic
17546 register is in use.
17548 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17550 * md.texi (No Constraints): Delete section.
17551 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
17552 * final.c (final_scan_insn): We always have register constraints.
17553 * genattrtab.c: Don't include "insn-config.h".
17554 (write_attr_case): We always have register constraints.
17555 * genconfig.c (register_constraint_flag): Delete.
17556 (walk_insn_part): Don't check whether we have register constraints.
17557 (main): Don't write out "#define REGISTER_CONSTRAINTS".
17558 * genoutput.c (have_constraints): Delete.
17559 (main): Don't set it.
17560 (output_operand_data): We always have constraints.
17561 (scan_operands): Likewise.
17562 (compare_operands): Likewise.
17563 * local-alloc.c (block_alloc): We always have constraints.
17564 (requires_inout): Always compile this function.
17565 * recog.c (extract_insn): We always have constraints.
17566 (constrain_operands, reg_fits_class_p): Always compile these
17568 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
17570 (struct insn_operand_data): Likewise.
17571 * regclass.c (regclass): We always have constraints.
17572 (record_reg_classes, copy_cost, record_address_regs,
17573 auto_inc_dec_reg_p): Always compile these functions.
17574 * regmove.c (regmove_optimize): We always have constraints.
17575 * reload.c (find_reloads): Likewise.
17576 * reload1.c (reload): Likewise.
17577 (reload_cse_simplify_operands): Likewise.
17578 * i860.c (output_delay_insn): Likewise.
17580 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
17582 * iris6.h (BUILD_VA_LIST_TYPE): Define.
17584 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17586 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
17587 for the va_list record.
17589 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
17591 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
17594 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
17596 * alias.c: Include insn-flags.h.
17597 * Makefile.in (alias.o): Update.
17599 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
17601 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
17602 to LTU and GEU. Handle more cases using sbb.
17604 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
17606 * i386.md (truncatexfdf splitters): Do not use subreg.
17607 (fop XFmode patterns): Fix mode in operand testing.
17609 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
17611 * jump.c (jump_optimize_1): Amend last change to test only the
17612 form of the operand, not the insn.
17614 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
17615 not register_operand to determine when B may need preloading.
17617 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
17619 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
17620 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
17621 (call-value patterns): Move to end of file.
17622 (*): Remove mode from label_ref in (pc) context.
17623 (movstrqi): Use memory not general_operand for BLKmode operands.
17624 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
17625 to register_operand operands.
17626 (peep2 patterns): Convert from commented-out peephole patterns.
17628 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17630 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
17631 to BUILT_IN_INIT_DWARF_REG_SIZES.
17632 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
17633 Renamed from BUILT_IN_DWARF_REG_SIZE; call
17634 expand_builtin_init_dwarf_reg_sizes.
17635 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
17636 with __builtin_init_dwarf_reg_size_table.
17637 * dwarf2out.c (struct reg_size_range): Delete.
17638 (expand_builtin_init_dwarf_reg_sizes): New function.
17639 (expand_builtin_dwarf_reg_size): Delete.
17640 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
17641 (expand_builtin_dwarf_reg_size): Don't declare.
17642 * libgcc2.c (dwarf_reg_size_table_initialized): New.
17643 (dwarf_reg_size_table): New.
17644 (init_reg_size_table): New function.
17645 (copy_reg): Use dwarf_reg_size_table.
17646 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
17649 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
17651 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
17652 Correctly build argument list to constructor and destructor functions.
17654 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
17656 * c-tree.h (warn_float_equal): Declare.
17657 * c-decl.c (warn_float_equal): Define.
17658 (c_decode_option): Recognize -W[no-]float-equal.
17659 * c-typeck.c (build_binary_op): Conditionally warn
17660 about equality tests of floating point types.
17661 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
17662 * invoke.texi: Add docs for -Wfloat-equal warning.
17664 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
17666 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
17667 generating RTL directly.
17668 * mips.h (INIT_TARGET_OPTABS): Likewise.
17669 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
17671 * expr.h (init_mov_optab): Delete declaration
17673 * h8300.c (WORD_REG_USED): Update to avoid useless register
17674 saves in interrupt functions and functions which never return.
17676 * cse.c (struct set): Delete inner_dest_loc field.
17677 (cse_insn): Remove assignments to inner_dest_loc field.
17679 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
17681 * ggc-page.c: Don't include <unistd.h> etc taken care of
17682 by "system.h". Include <sys/mman.h> afterward.
17684 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
17686 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
17689 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
17691 * xcoffout.c (xcoffout_declare_function): Add documentation.
17692 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
17693 TARGET_64BIT. Compare constant to -1, not bit pattern.
17694 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
17695 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
17698 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
17700 * dwarf2out.c (add_abstract_origin_attribute): Abort if
17701 origin_die is NULL.
17702 (gen_inlined_enumeration_type_die): Do not abort if the type has
17703 not been writeen out.
17704 (gen_inlined_structure_type_die): Do not abort if the type has
17705 not been writeen out.
17706 (gen_inlined_union_type_die): Do not abort if the type has
17707 not been writeen out.
17708 (gen_tagged_type_instantiation_die): Do not abort if the type
17709 has not been written out.
17711 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17713 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
17715 * reg-stack.c (straighten_stack): Copy hard reg set with
17718 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
17720 * builtins.c (stabilize_va_list): Stabilize array type va_list
17721 to a pointer type, not the base record type.
17722 (expand_builtin_va_copy): Dereference the pointers explicitly;
17723 use the correct size for the copy.
17725 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
17726 (rs6000_va_arg): Likewise.
17728 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
17730 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
17732 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
17734 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
17736 (DECL_BUILT_IN_CLASS): Adjust accordingly.
17738 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
17740 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
17741 (init_ggc): Use it instead of a constant.
17742 (ggc_collect): Bound allocated_last_gc by it.
17744 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
17746 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
17749 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
17751 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
17752 (mips*-*-openbsd*): Let big endian configuration be a fragment.
17753 * configure: Regen.
17754 * config/mips/openbsd.h: New, OpenBSD little endian target.
17755 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
17756 * config/mips/xm-openbsd.h: New, OpenBSD host.
17758 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
17760 * config/m68k/m68k.c (output_function_prologue,
17761 output_function_epilogue): Use
17762 current_function_uses_pic_offset_table instead of regs_ever_live
17763 to decide whether to save/restore pic register.
17764 (legitimize_pic_address): Don't modify regs_ever_live any more.
17766 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
17768 * function.h (struct function): Add x_dont_save_pending_sizes_p.
17769 * stor-layout.c (variable_size): Don't add sizes to the pending
17770 sizes list if x_dont_save_pending_sizes_p is set.
17772 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
17774 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
17775 for symbolic_operand().
17776 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
17778 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17780 * combine.c (gen_rtx_combine): Add missing call to va_end().
17782 * final.c (asm_fprintf): Likewise.
17784 * genattrtab.c (attr_rtx): Likewise.
17786 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
17788 * cse.c: Update comments.
17789 (cse_insn): When converting a conditional/computed jump into
17790 an unconditional jump, always make sure a BARRIER immediately
17791 follows the converted jump. Do not delete unreachable code.
17792 (cse_basic_block): Do not delete unreachable code.
17793 * toplev.c (rest_of_compilation): Move call to
17794 delete_trivially_dead_insns after the conditional call to
17797 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17799 * collect2.c (make_temp_file): Don't prototype.
17801 * gcc.c (make_temp_file): Likewise.
17803 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
17805 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
17807 * varasm.c (asm_emit_uninitialised): New function: Generate
17808 the assembler statements necessary to declare an uninitialised
17810 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
17812 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
17813 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
17815 (assemble_variable): Use asm_emit_uninitialised to emit an
17816 uninitialised variable.
17818 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
17820 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
17821 constant on a 64 bit host. Patch supplied by Geoffrey Keating
17822 <geoffk@cygnus.com>.
17824 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17826 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
17827 * c-common.h (builtin_function): Don't declare.
17829 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
17831 (pushdecl): Likewise.
17832 (finish_decl): Likewise.
17833 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
17834 int. All callers changed.
17835 Set the builtin's DECL_BUILT_IN_CLASS.
17836 * tree.h (enum built_in_class): New.
17837 (enum built_in_function): Delete NOT_BUILT_IN.
17838 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
17840 (DECL_SET_FUNCTION_CODE): Likewise.
17841 (DECL_BUILT_IN_CLASS): New macro.
17842 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
17843 (struct tree_decl): Split builtin function code field into a
17845 (builtin_function): Declare.
17847 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
17849 * optabs.c (init_traps): Fix typo in last change.
17851 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
17853 * toplev.c (rest_of_decl_compilation): Update comment.
17855 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17857 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
17858 in .sbss if appropriate.
17859 (EXTRA_SECTION_FUNCTIONS): Add sbss.
17860 (SBSS_SECTION_ASM_OP): New macro.
17861 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
17862 (EXTRA_SECTIONS): Add in_sbss.
17863 * config/mips/mips.h: Prototype sbss_section.
17865 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
17867 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
17870 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
17872 * optabs.c (init_traps): Register trap_rtx as a GC root.
17874 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17876 * config/mips/mips.c (function_arg_pass_by_reference): Define
17877 unconditionally, since it's called unconditionally.
17879 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17881 * toplev.c (documented_lang_options): Add -fshort-wchar.
17882 * c-decl.c (c_decode_option): Likewise.
17883 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
17885 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
17886 * gcc.c (default_compilers): If -fshort-wchar,
17887 override __WCHAR_TYPE__.
17888 * tm.texi (C Dialect Options): Add -fshort-wchar.
17890 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
17891 symbol for a variable.
17893 * cpplib.h (CPP_PREPROCESSED): New macro.
17894 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
17895 we're seeing this input for a second time.
17897 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
17899 * emit-rtl.c (init_emit_once): Initialize modes first.
17901 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
17903 * config/i386/i386.c (pic_label_name): Change to char pointer.
17904 (global_offset_table): New variable.
17905 (load_pic_register): Fill global_offset_table if it hasn't
17906 already been done. Allocate pic_label_name dynamically.
17907 * ggc.h (empty_string): New variable.
17908 * ggc-simple.c (empty_string): Likewise.
17909 (init_ggc): Allocate empty_string and add as root.
17910 * stmt.c (digit_strings): New variable.
17911 (init_stmt): Add last_block_end_note as root. Allocate and
17912 initialize digit_strings.
17913 (expand_asm_operands): Use empty_string instead of string
17914 constant. Use digit_strings instead of string constants.
17915 * profile.c (init_arc_profiler): Allocate string with
17916 ggc_alloc_string instead of xmalloc.
17917 (output_func_start_profiler): Likewise.
17918 * c-typeck.c (digest_init): Check if init is error_mark_node.
17920 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
17921 Richard Henderson <rth@cygnus.com>
17923 * ggc-page.c: New file.
17924 * Makefile.in (ggc-page.o): New.
17926 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
17928 * invoke.texi: Document -fdelete-null-pointer-checks
17929 * toplev.c (flag_delete_null_pointer_checks): New.
17930 (f_options): Add entry for -fdelete-null-pointer-checks.
17931 (rest_of_compilation): Conditionalize null pointer check
17932 elimination on flag_delete_null_pointer_checks.
17933 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
17935 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
17937 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
17938 copyright notice and special exception to GPL.
17940 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17942 * abi64.h (mips_function_value): Add prototype arguments.
17944 * mips-protos.h: New file with mips prototypes.
17946 * mips.c: Include "tm_p.h".
17947 (mktemp, lookup_name): Add prototype arguments.
17948 (extern_list, string_constant, mips_fill_delay_slot,
17949 mips_output_external, mips_output_external_libcall,
17950 mips_output_filename, mips_declare_object, function_prologue,
17951 mips_expand_prologue, function_epilogue, mips16_constant,
17952 build_mips16_function_stub, mips_output_conditional_branch):
17954 (mips_va_start): Remove unused variable `u'.
17955 (mips_va_arg): Cast value to unsigned when comparing against one.
17957 (save_restore_insns, mips_expand_prologue): Add missing arg in
17958 call to `large_int'.
17960 * mips.h: Move prototypes to mips-protos.h.
17961 (data_section, memory_address_p, rdata_section,
17962 readonly_data_section, simple_epilogue_p, text_section): Delete
17963 prototypes delcared elsewhere.
17964 (mips_epilogue_delay_slots, print_options): Delete unused decls.
17966 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
17968 * mips.md: Delete extra args in call to `mips_move_2words'.
17970 * xm-iris6.h (alloca): Add prototype argument.
17972 * genpeep.c: Include "tm_p.h" in generated output file.
17974 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17976 * basic-block.h (find_edge_index): Change parameters.
17977 * flow.c (verify_edge_list): Pass basic_block parameters to
17978 find_edge_index instead of integers.
17980 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
17982 * combine.c (simplify_comparison): Use an unsigned shift to adjust
17985 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
17987 * gcc.1: Fix a formatting error.
17989 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
17991 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
17992 i786, mn10200, mn10300, pdp11, v850.
17994 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
17996 * libgcc2.c (num_digits): Add prototype with
17997 __attribute__((const)).
17998 (__terminate): Add prototype.
18000 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18002 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18004 * alpha/alpha.c (print_operand): Fix type of `code'.
18005 (alpha_output_filename): Constify.
18006 * alpha/alpha.h: Move all function declarations ...
18007 * alpha/alpha-protos.h: ... here. New file.
18008 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18009 (SECTION_FUNCTION_TEMPLATE): Likewise.
18011 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18013 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18014 * expr.c (expand_expr): Likewise.
18015 (do_jump): Likewise.
18016 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18017 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18019 (enum can_compare_purpose): New.
18020 (can_compare_p): Adjust prototype.
18021 (prepare_cmp_insn, prepare_operand): Declare.
18022 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18023 * optabs.c (cmp_available_p): Deleted.
18024 (expand_abs): Pass ccp_jump to can_compare_p.
18025 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18026 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18027 Call can_compare_p rather than cmp_available_p.
18028 (prepare_operand): No longer static.
18029 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18030 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18031 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18032 sequence to use emit_cmp_and_jump_insns.
18033 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18035 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18037 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18038 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18039 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18040 (plus (reg) (const_int 0))
18041 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18043 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18045 * rs6000.c (expand_block_move): DImode loads and stores require
18046 word-aligned displacements. Increment address registers with
18047 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18049 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18051 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18052 is no name for the base type, rather than segfault. If we are
18053 writing out a complex integer type, use DW_ATE_lo_user.
18055 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18056 in one word or less (complex char, complex short, or on 64 bit
18057 systems complex float) to/from a hard register, copy it through
18058 memory instead of dying in gen_{real,imag}part. If we have a
18059 short complex type, prevent inlining since it allocates stack
18062 * tree.c (build_complex_type): If we are writing dwarf2 output,
18063 generate a name for complex integer types.
18065 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18067 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18068 * flow.c (remove_edge): Remove extra whitespace.
18069 (remove_fake_edges): Fix comment.
18070 (add_noreturn_fake_exit_edges): Use the correct name.
18072 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18074 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18075 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18076 (clean): Depend on INTL_CLEAN.
18077 (maintainer-clean): Adjust.
18079 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18081 * configure.in (AC_PREREQ): Bump to 2.13.
18082 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18084 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18086 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18088 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18090 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18091 (HAVE_STRINGIZE): Define.
18093 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18095 * c-parse.in: save and restore warn_pointer_arith on __extension__
18096 along with pedantic.
18097 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18098 Set the type of extension to itype rather than $<itype>1 kludge.
18099 * extend.texi (Alternate Keywords): Adjust documentation.
18100 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18102 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18104 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18105 most assembler templates.
18107 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18108 FP loads and stores.
18109 (following_call): Always return zero for the PA8000.
18110 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18111 FP loads and stores.
18112 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18114 * pa.h (BRANCH_COST): Define.
18116 * pa.md (return, return_internal): Use bve for PA2.0.
18118 * pa.md (fused multiply): Add variants which reduce height for the
18119 fused multiply, but which still generate 2 insns.
18120 (fnegabs): Similarly.
18122 * pa.md (subsi3): Turn into an expander. Create two anonymous
18123 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18124 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18126 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18128 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18130 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18131 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18133 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18136 * flow.c (record_active_eh_regions): Terminate loop after finding
18137 the last insn in the last basic block.
18139 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18141 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18143 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18145 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18147 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18149 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18150 splitting to not use output template.
18152 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18154 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18155 * config/c4x/c4x.c (c4x_va_start): New function.
18157 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18159 * genrecog.c (not_both_true): Handle correctly cases when called for
18160 tests with different positions in the insn.
18162 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18164 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18166 * system.h (HOST_PTR_PRINTF): ... to here.
18168 * mips-tfile.c: Don't include machmode.h.
18170 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18171 (mips-tfile.o): Don't depend on machmode.h.
18173 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18175 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18176 avoid conflicts with typedef struct `region' at the top level scope.
18178 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18180 * basic-block.h (basic_block): Add eh_beg, eh_end.
18181 * flow.c (entry_exit_blocks): Update.
18182 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18183 Call new functions.
18184 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18185 lists.c functions to allocate insn lists.
18186 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18188 (make_eh_edge): ... here. New.
18189 (move_stray_eh_region_notes): New.
18190 (record_active_eh_regions): New.
18191 (delete_unreachable_blocks): Split out block merging ...
18192 (try_merge_blocks): ... here. New.
18193 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18194 Dump debugging data.
18195 (merge_blocks_move_successor_nojumps): Likewise.
18196 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18198 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18200 * extend.texi (Bound member functions): Document unbound pmf
18203 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18205 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18206 has the EXIT_BLOCK as a dest.
18208 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18210 * flow.c (remove_edge): New function to remove an edge from the
18212 (remove_fake_successors): New function to remove fake successor edges.
18213 (remove_fake_edges): New function to remove all fake edges from the
18215 (add_fake_exit_edges): New function to add fake edges from all blocks
18216 with no successors to the exit block.
18217 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18218 prototypes for new functions.
18220 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18222 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18223 Use Pmode to determine whether to output .dword or .word.
18225 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18227 * tree.c (built_in_filename): New variable.
18228 (BUILT_IN_FILENAME): New macro.
18229 (init_tree_codes): Allocate built_in_filename.
18230 (make_node): Use built_in_filename instead of string constant.
18232 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18234 * configure.in: Add fr30 target.
18235 * configure: Regenerate.
18236 * config/fr30: New directory.
18237 * config/fr30/crti.asm: New file.
18238 * config/fr30/fr30.c: New file.
18239 * config/fr30/crtn.asm: New file.
18240 * config/fr30/fr30.h: New file.
18241 * config/fr30/fr30.md: New file.
18242 * config/fr30/lib1funcs.asm: New file.
18243 * config/fr30/t-fr30: New file.
18244 * config/fr30/xm-fr30.h: New file.
18246 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18248 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18249 BARRIER at the end of the successor, not the BARRIER before
18252 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18254 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18256 * stmt.c (any_pending_cleanups): Don't crash when
18257 current_function->stmt is unset.
18259 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18261 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18262 other initializations that may use it for relative offsets.
18264 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18266 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18267 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18268 * config/i386/sol2dbg.h: Removed.
18269 * config/i386/sol2gas.h: New file, to enable gas work-around.
18270 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18271 Don't use sol2dbg.h.
18272 * configure: Rebuilt.
18274 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18276 * invoke.texi (-fthis-is-variable): Remove documentation.
18278 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18280 * basic-block.h (compute_bb_for_insn): Declare.
18281 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18282 to use; set size of basic_block_for_insn directly.
18283 (find_basic_blocks): Update.
18285 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18287 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18289 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18291 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18292 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18294 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18296 * c-decl.c (c_decode_option): Extend comment.
18298 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18300 * toplev.c (progname): Make 'const char *'
18301 (flag_print_mem): Move out of main.
18302 (version_flag): Move out of main.
18303 (filename): Move out of main.
18304 (debug_args): Remove g prefix from options.
18305 (documented_lang_options): Remove cpplib specific options.
18306 (display_help): Add g prefix to debug options.
18307 (check_lang_option): Delete this function.
18308 (decode_d_option): New function: Decode -d... option.
18309 (decode_f_option): New function: Decode -f... option.
18310 (decode_W_option): New function: Decode -W... option.
18311 (decode_g_option): New function: Decode -g... option.
18312 (independent_decode_option): New function: Decode a language
18313 independent command line option.
18314 (main): Invoke lang_decode_option and then
18315 independent_decode_option on each command line option in
18318 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18320 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18321 * fold-const.c (fold_range_test): Do not try to fold the range
18322 test if the rhs or lhs has side effects.
18324 * basic-block.h (compute_flow_dominators): Declare.
18326 * gcse.c (alloc_code_hoist_mem): New function.
18327 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18328 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18329 (hoist_code, one_code_hoisting_pass): Likewise.
18330 (gcse_main): If optimizing for size, then hoist expressions
18331 computed in multiple dominated basic blocks.
18333 * gcse.c (invalid_nonnull_info): New function.
18334 (delete_null_pointer_checks): Likewise.
18335 * rtl.h (delete_null_pointer_checks): Declare.
18336 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18338 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18339 (merge-blocks_move_successor_nojumps): Likewise.
18340 (merge_blocks): Allow merging of some blocks, even if it requires
18341 physical movement of the blocks, but not if it requires new jumps.
18343 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18344 Callers and prototype changed.
18345 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18347 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18349 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18350 -YP when both -p and -pg are present. From i386/sol2.h.
18352 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18354 * Makefile.in (distclean): Delete tm_p.h.
18355 * configure.in: Create a new file, "tm_p.h", from a list in
18356 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18357 "i386/i386-protos.h".
18359 * alias.c: Include "tm_p.h".
18360 * c-typeck.c: Likewise.
18361 * calls.c: Likewise.
18363 * emit-rtl.c: Likewise.
18364 * explow.c: Likewise.
18365 * expmed.c: Likewise.
18366 * expr.c: Likewise.
18367 * final.c: Likewise.
18368 * flow.c: Likewise.
18369 * fold-const.c: Likewise.
18370 * function.c: Likewise.
18371 * gcse.c: Likewise.
18372 * global.c: Likewise.
18373 * haifa-sched.c: Likewise.
18374 * integrate.c: Likewise.
18375 * jump.c: Likewise.
18376 * local-alloc.c: Likewise.
18377 * loop.c: Likewise.
18378 * optabs.c: Likewise.
18379 * recog.c: Likewise.
18380 * reg-stack.c: Likewise.
18381 * regclass.c: Likewise.
18382 * regmove.c: Likewise.
18383 * reload.c: Likewise.
18384 * reload1.c: Likewise.
18385 * reorg.c: Likewise.
18386 * resource.c: Likewise.
18387 * stmt.c: Likewise.
18388 * stor-layout.c: Likewise.
18389 * toplev.c: Likewise.
18390 * tree.c: Likewise.
18391 * unroll.c: Likewise.
18392 * genattrtab.c (main): Make generated file include "tm_p.h".
18393 * genemit.c (main): Likewise.
18394 * genoutput.c (main): Likewise.
18395 * genrecog.c (main): Likewise.
18397 * i386.h: Delete all prototypes.
18398 * i386.c: Include "tm_p.h".
18399 (ix86_attr_length_default): Call constant_call_address_operand
18400 with correct number of arguments.
18401 * i386-protos.h: New file.
18402 * i386.md (unnamed patterns): Call constant_call_address_operand
18403 with correct number of arguments.
18404 (exception_receiver): Call load_pic_register with correct number
18407 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
18409 * c-pragma.c (mark_align_stack): Dereference the void* properly.
18411 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
18413 * rtl.h (insns_safe_to_move_p): New function.
18414 * loop.c (find_and_verify_loops): Use it.
18415 * rtlanal.c (insns_safe_to_move_p): Define it.
18417 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
18419 * c-pragma.c: Include ggc.h.
18420 * Makefile.in (c-pragma.o): Update.
18422 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18424 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
18425 (LIB_SPEC): Likewise.
18426 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
18427 Reindent -YP/-p/-pg.
18428 Copied from config/sparc/sol2.h.
18430 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
18432 * c-pragma.c (mark_align_stack): New.
18433 (init_pragma): New.
18434 * c-pragma.h (init_pragma): Declare it.
18435 * c-lex.c (init_parse): Call it.
18437 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18439 * configure.in: Pick up thread library on Solaris/x86 just
18440 like on Solaris/sparc.
18441 * configure: Rebuilt.
18443 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
18445 * rtl.h (global_rtx_index): New enum.
18446 (global_rtl): Change to array of rtx.
18447 (pc_rtx, cc0_rtx): Redefine accordingly.
18448 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
18449 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
18450 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
18451 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
18452 (const_int_rtx): Change to array of rtx.
18453 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
18455 * emit-rtl.c (global_rtl): Change to array of rtx.
18456 (const_int_rtx): Change to aray of rtx.
18457 (gen_rtx_CONST_INT): Redefine accordingly.
18458 (init_emit_once): Allocate and initialize global_rtl. Likewise
18459 for const_int_rtx. Add both as GC roots.
18460 * genattrtab.c (global_rtl): Update declaration.
18462 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
18464 * Makefile (USER_H): Add iso646.h back.
18466 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
18468 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
18469 zapping the LOG_LINKS of sched_before_next_call.
18471 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
18472 * pa.c (insn_refs_are_delayed): Renamed from
18473 insn_sets_and_refs_are_delayed.
18475 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
18477 * functiion.h (struct function): Add x_whole_function_mode_p.
18478 (retrofit_block): Declare.
18479 * function.c (retrofit_block): New function.
18480 (identify_blocks): Add assertions. Allow an incomplete set of
18481 block notes if we're still generating code for the function.
18482 * integrate.c: Include loop.h.
18483 (expand_inline_function): Call find_loop_tree_blocks to map block
18484 notes to blocks when in whole-function mode. Use retrofit_block
18485 to insert new BLOCKs for the inlined function, rather than
18487 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
18488 * Makefile.in (integrate.o): Depend on loop.h.
18490 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
18492 * tree.h (warn_about_unused_variables): Declare.
18493 * stmt.c (warn_about_unused_variables): New function, split out
18495 (expand_end_bindings): Here.
18497 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
18499 * stmt.c (preserve_subexpressions_p): Don't crash when
18500 current_function->stmt is unset.
18502 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
18504 * stmt.c (expand_start_bindings): Allow callers to pass a flag
18505 indicating that no NOTE_INSN_BLOCK_BEG note is required.
18506 (expand_start_target_temps): Use it.
18507 * except.c (expand_eh_region_start_for_decl): Likewise.
18508 * expr.c (expand_expr): Likewise.
18510 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
18512 * fold-const.c (operand_equal_p): Pay attention to side effects.
18514 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
18516 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
18517 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
18519 * tlink.c (scan_linker_output): Look for keywords before accepting
18520 a mangled name in quotes.
18522 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
18524 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
18525 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
18527 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
18529 * alpha.md: Revert Thu Nov 26 change that came in through the
18530 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
18531 Avoid earlyclobber when possible.
18533 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18535 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
18537 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
18538 Define HAVE_ON_EXIT.
18540 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18542 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
18543 CTYPE_CONV in all ctype macros.
18545 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
18548 * cexp.y (initialize_random_junk): Likewise.
18550 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
18552 * i370.c (handle_pragma): Likewise.
18554 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
18556 * v850.c (override_options): Likewise.
18558 * doprint.c (_doprnt): Likewise.
18560 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
18563 * fixinc/server.c (load_data): Likewise.
18565 * fold-const.c (real_hex_to_f): Likewise.
18567 * genattr.c (write_upcase, gen_attr): Likewise.
18569 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
18570 write_upcase): Likewise.
18572 * genemit.c (print_code): Likewise.
18574 * genopinit.c (gen_insn): Likewise.
18576 * genpeep.c (print_code): Likewise.
18578 * genrecog.c (print_code): Likewise.
18580 * optabs.c (init_libfuncs): Likewise.
18582 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
18584 * haifa-sched.c (sched_analyze): Keep the list of notes organized
18586 (reemit_notes): Likewise.
18588 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
18590 * ggc.h (ggc_root): Move to ggc-common.c.
18592 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
18593 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
18594 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
18595 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
18596 * ggc-common.c (ggc_root): Move from ggc.h.
18597 (roots): Declare, static.
18598 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
18599 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
18600 null or check/set mark bit.
18601 (ggc_mark_roots): New.
18602 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
18604 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
18606 * m32r.c: Include toplev.h.
18607 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
18608 (gen_compare): Rename swap_p to must_swap to match uses.
18609 Add default abort case.
18610 (m32r_output_function_epilogue): Remove unused variables.
18611 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
18612 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
18613 define to empty parameter list. Update all uses.
18614 (predicate decls): Use enum machine_mode not int.
18615 * m32r.md (movsi): Call abort, not fatal_insn.
18616 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
18618 1999-09-14 Andrew Haley <aph@cygnus.com>
18620 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
18621 use $0 instead of 0.
18623 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18625 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
18626 computation out of loop over hard regs.
18628 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
18630 * function.c (identify_blocks): Don't shadow a variable in an
18632 * integrate.c (integrate_decl_tree): Don't use pushlevel,
18633 pushdecl, or poplevel to build up the new BLOCK tree.
18634 (expand_inline_function): Likewise.
18635 (integrate_parm_decls): Likewise.
18637 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
18639 * c-typeck.c (qualify_type): Merge qualifiers from both types.
18641 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
18643 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
18644 * invoke.texi: Document this change.
18646 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
18648 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
18650 (mark_emit_status): Renamed from mark_emit_state.
18651 * except.c (mark_eh_status): Renamed from mark_eh_state.
18652 Check not null before marking.
18653 (free_eh_status): New.
18654 * expr.c (mark_expr_status, free_expr_status): New.
18655 * function.c (free_machine_status): New.
18656 (free_after_parsing): New.
18657 (free_after_compilation): Move bits to free_after_parsing; call
18658 free_eh_status, free_expr_status; zero the marked members of the
18660 (prepare_function_start): No can_garbage_collect.
18661 Call init_eh_for_function.
18662 (expand_dummy_function_end): Free up current_function state.
18663 (mark_function_status): Renamed from mark_function_state.
18664 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
18665 * function.h (struct function): No can_garbage_collect.
18666 (free_machine_status, free_after_parsing): Declare.
18667 (free_eh_status, free_expr_status): Declare.
18668 * ggc.h (mark_expr_status): Declare.
18669 * stmt.c (free_stmt_status): Free the struct.
18670 (mark_stmt_status): Renamed from mark_stmt_state.
18671 (init_stmt): Don't call init_eh.
18672 (init_stmt_for_function): Don't call init_eh_for_function.
18673 * toplev.c (compile_file): Call init_eh.
18674 (rest_of_compilation): Free basic block info before ggc_collect.
18675 Call free_after_parsing; conditionally call free_after_compilation.
18676 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
18677 Check not null before marking.
18678 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
18680 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
18682 * c-lex.c (yylex): Initialize warn.
18684 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
18686 * pa.c (emit_move_sequence): Properly set the mode of the scratch
18687 register when performing secondary reloads for the SAR register.
18689 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
18691 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
18692 (NOTE_BLOCK): New macro.
18693 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
18694 * function.h (identify_blocks): Change prototype.
18695 * function.c (identify_blocks): Simplify.
18696 (reorder_blocks): Likewise.
18697 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
18698 NOTE_INSN_BLOCK_{BEG,END}.
18699 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
18700 the list of saved notes if the note isn't a
18701 NOTE_INSN_BLOCK_{BEG,END}.
18702 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
18704 (reemit_notes): Adjust recreation of notes to reflect new saved
18706 * print-rtl.c (print_rtx): Print the address of the BLOCK when
18707 printing a block note.
18708 * stmt.c (block_vector): Remove.
18709 (find_loop_tree_blocks): Simplify.
18710 (unroll_block_trees): Likewise.
18711 * tree.h (reorder_block): Change prototype.
18713 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
18715 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
18716 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
18717 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
18718 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
18719 (atexit, exit): Simplify.
18720 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
18721 * config/lots: Remove defns of HAVE_ATEXIT.
18723 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
18725 * calls.c (precompute_arguments): Fix typo in comment.
18726 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
18729 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
18731 * dsp16xx.c (override_options): Fix typos in GC root registration.
18733 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
18735 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
18736 from config/svr4.h.
18737 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
18738 (FUNCTION_PROFILER): Redefine appropriately for Linux.
18739 (CC1_SPEC): Likewise.
18741 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18743 * genattr.c (main): Add extern prototype. Call return, not exit.
18744 * genattrtab.c (main): Likewise.
18745 * gencheck.c (main): Likewise.
18746 * gencodes.c (main): Likewise.
18747 * genconfig.c (main): Likewise.
18748 * genemit.c (main): Likewise.
18749 * genextract.c (main): Likewise.
18750 * genflags.c (main): Likewise.
18751 * gengenrtl.c (main): Likewise.
18752 * genopinit.c (main): Likewise.
18753 * genoutput.c (main): Likewise.
18754 * genpeep.c (main): Likewise.
18755 * genrecog.c (main): Likewise.
18757 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
18758 * genattrtab.c (get_insn_name): Likewise.
18759 * gencodes.c (get_insn_name): Likewise.
18760 * genconfig.c (get_insn_name): Likewise.
18761 * genemit.c (get_insn_name): Likewise.
18762 * genextract.c (get_insn_name): Likewise.
18763 * genflags.c (get_insn_name): Likewise.
18764 * genopinit.c (get_insn_name): Likewise.
18765 * genpeep.c (get_insn_name): Likewise.
18767 * gencheck.c (usage): Add static prototype.
18768 * genextract.c (print_path): Constify a char*.
18769 * genopinit.c (optabs): Likewise.
18770 * genoutput.c (operand_data, data, output_predicate_decls,
18771 compare_operands): Likewise.
18772 * genrecog.c (write_tree): Add default case in switch.
18774 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18776 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
18778 * print-rtl.c (get_insn_name): Remove prototype.
18780 * toplev.h (progname): Declare const.
18782 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
18783 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
18784 dump_sched_info, dump_local_alloc, regset_release_memory,
18785 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
18786 error_with_file_and_line, error_with_decl, error_for_asm, error,
18787 fatal, warning_with_file_and_line, warning_with_decl, warning,
18788 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
18789 Remove redundant prototypes.
18791 (notice, check_lang_option, report_file_and_line, vnotice,
18792 mark_file_stack): Add static prototype.
18793 (set_fatal_function): Add prototype.
18794 (vnotice, report_file_and_line, set_fatal_function,
18795 check_lang_option): Constify a char*.
18796 (main): Prototype. Call return, not exit.
18798 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18800 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
18802 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
18804 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
18806 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
18808 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18810 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
18811 behave as if it's zero in all cases.
18812 (expand_function_start): Adjust call to assign_parms.
18813 * tree.h (assign_parms): Adjust prototype.
18814 * objc/objc-act.c (hack_method_prototype): Adjust call to
18817 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
18819 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
18820 arg_pointer_rtx fixed if the argument pointer register is
18822 (NONZERO_BASE_PLUS_P): Likewise.
18824 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
18826 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
18827 match_insn2 to match_insn.
18828 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
18830 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
18832 * Makefile.in (USER_H): Remove va-foo.h.
18834 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
18835 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
18836 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
18837 va-spur.h,va-v850.h}: Remove.
18839 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
18841 * sparc/sparc.md (eligible_for_return_delay): New attribute.
18842 (in_return_delay): Use it instead of match_insn.
18844 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18846 * config/alpha/va_list.h (va-alpha.h): Do not include.
18847 (__gnuc_va_list): Typedef as in varargs.h.
18849 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
18851 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
18852 DECL_LIVE_RANGE_RTL.
18854 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
18856 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
18857 not NOTE_BLOCK_NUMBER.
18858 (expand_eh_region_end): Likewise.
18859 (find_exception_handler_labels): Likewise.
18860 (scan_region): Likewise.
18861 (exception_optimize): Likewise.
18862 (update_rethrow_references): Likewise.
18863 (set_insn_eh_region): Likewise.
18864 * final.c (final_scan_insn): Likewise.
18865 * flow.c (make_edges): Likewise.
18866 * integrate.c (expand_inline_function): Likewise.
18867 * print-rtl.c (print_rtx): Likewise.
18869 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
18871 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
18872 terms of builtin functions and types.
18874 * mips.c (mips_build_va_list): New.
18875 (mips_va_start, mips_va_arg): New.
18876 * mips.h (BUILD_VA_LIST_TYPE): New.
18877 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
18879 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
18880 (sh_build_va_list, sh_va_start, sh_va_arg): New.
18881 * sh.h (BUILD_VA_LIST_TYPE): New.
18882 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
18884 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
18886 * recog.h (struct recog_data): Make dup_num, operand_address_p,
18887 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
18888 (struct insn_data): Likewise with n_operands, n_dups,
18889 n_alternatives, output_format.
18890 * regclass.c (scan_one_insn): Cast n_operands to int before
18891 arithmetic inside comparison.
18893 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
18895 * toplev.c (compile_function): Unconditionally emit nop.
18897 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18899 * haifa-sched.c (actual_hazard): Move declaration of variable
18900 `this_cost' into the scope where it is used.
18902 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18904 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
18905 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
18906 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
18908 * genrecog.c (make_insn_sequence): Call memset, not bzero.
18910 * jump.c (find_insert_position): Don't declare or define unless
18911 !HAVE_conditional_arithmetic.
18912 (returnjump_p_1, delete_prior_computation): Add static prototypes.
18914 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
18916 * recog.c (offsettable_address_p): Prototype function pointer.
18917 (preprocess_constraints): Call memset, not bzero.
18919 * tree.c (tree_node_kind_names): Constify a char*. Make static.
18920 (gcc_obstack_init): Don't declare.
18921 (fix_sizetype): Add static prototype.
18922 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
18923 (tree_cons): Call memset, not bzero.
18925 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
18926 definition in macro ASM_WEAKEN_LABEL.
18927 (mark_const_hash_entry): Add static prototype.
18929 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18931 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
18933 * unroll.c (find_common_reg_term, subtract_reg_term,
18934 loop_find_equiv_value): Add static prototypes.
18935 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
18936 (copy_loop_body): Remove unreachable break statement.
18938 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
18940 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
18942 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18944 Undo some changes from the gcc2 merge:
18945 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
18946 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
18950 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
18951 * emit-rtl.c (gen_lowpart_common): Disable optimization of
18952 initialized float-int union if the value is a NaN.
18954 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
18956 * gthr-win32.h: New file.
18958 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
18959 shared as a valid attribute.
18960 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
18961 * extend.texi: Document `shared' variable attribute.
18963 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
18965 * configure.in: Handle --enable-threads on FreeBSD.
18966 * configure: Rebuit.
18968 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
18970 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
18972 * configure: Rebuilt.
18974 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
18975 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
18976 Rosimildo DaSilva <rdasilva@connecttel.com>
18978 * configure.in (m68k-*-rtemscoff*): Added.
18979 * configure.in (mips64orion-*-rtems*): Converted to ELF.
18980 * configure.in (sparc-*-rtemsaout*): Added as alias for old
18981 sparc-rtems configuration.
18982 * configure.in (sparc-*-rtemself*): Added.
18983 * configure.in (sparc-*-rtems*): Now ELF not a.out.
18984 * config/i386/rtems.h: Added comment.
18985 * config/sparc/rtemself.h: New file.
18987 * configure.in (m68k-rtemself): Added.
18988 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
18989 and DWARF_DEBUGGING_INFO.
18990 * config/m68k/crti.s: New file.
18991 * config/m68k/crtn.s: New file.
18992 * config/m68k/t-crtstuff: New file.
18993 * config/m68k/rtemself.h: New file.
18995 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
18996 global ctor/dtor and C++ exception handling.
18997 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
18998 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19000 * config/i386/t-rtems-i386: New File.
19002 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19004 * stmt.c (expand_end_case): Return right away if the case stack is
19007 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19009 * Makefile.in (version.c): Remove rule incorrectly brought in from
19012 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19014 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19015 * msdos/top.sed: Take into account a prepended $(SHELL) to
19017 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19019 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19021 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19023 * regmove.c (fixup_match_1): Don't change an unchanging register.
19024 (stable_but_for_p): Renamed to:
19025 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19026 Changed all callers.
19028 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19030 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19031 insn from BL2 is after the insn from BL.
19033 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19035 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19036 (struct insn_data): Merge `template' and `outfun' into `output'.
19037 Add `output_format'.
19038 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19039 (struct data): Remove `outfun'; add `output_format'.
19040 (name_for_index): Remove declaration.
19041 (output_insn_data): Handle output formats.
19042 (process_template): Emit the bare array for @.
19043 (gen_expand, gen_split): Set output_format to NONE.
19044 * output.h (get_insn_template): Declare.
19045 * final.c (get_insn_template): New.
19046 (final_scan_insn): Use it.
19047 * toplev.c (compile_file): Likewise.
19049 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19050 * i860/i860.c (output_delayed_branch): Likewise.
19051 (output_delay_insn): Likewise.
19053 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19055 * rtl.c (obstack_alloc_rtx): Removed.
19057 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19059 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19061 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19063 * i386.c (call_insn_operand): Reject const_int.
19064 (expander_call_insn_operand): Use call_insn_operand.
19066 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19068 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19070 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19072 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19073 Use DImode operation.
19075 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19077 * gcc.c: Include sys/resource.h.
19078 (report_times): New flag.
19079 (execute): If report_times is set, calculate and report the
19080 CPU time consumed by each subprocess.
19082 (rus, prus): New globals.
19083 (option_map): Add --time.
19084 (display_help): Document -time.
19085 (process_command): Set report_times if -time is given.
19086 Turn off -pipe if -time is given.
19088 * invoke.texi: Document new option -time.
19090 * configure.in: Check for getrusage. Check if we have to
19091 prototype getrusage.
19092 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19093 * configure: Regenerate.
19094 * config.in: Regenerate.
19096 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19098 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19101 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19103 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19104 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19105 (nan): Return _thenan_sf or _thenan_df as appropriate.
19106 (L_thenan_sf): Define _thenan_sf.
19107 (L_thenan_df): Define _thenan_df.
19109 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19110 (DPBIT_FUNCS): Add _thenan_df.
19112 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19114 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19117 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19119 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19122 (lang_specific_driver): Don't take a function pointer parameter.
19123 All callers changed.
19125 * gcc.c: Include gcc.h.
19126 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19127 lang_specific_extra_outfiles, fatal): Don't declare.
19128 (multilib_defaults_raw): Constify.
19129 (read_specs): Call memset, rather than bzero.
19130 (main): Call return, not exit.
19131 (lookup_compiler): Call memcpy, not bcopy.
19132 (fatal): Make extern.
19134 * cppspec.c: Include gcc.h.
19135 (lang_specific_driver): Initialize variable `quote'. Constify a
19136 char*. All calls to the function pointer parameter now
19137 explicitly call `fatal'.
19139 * gccspec.c (lang_specific_driver): Include gcc.h.
19141 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19143 * arm.c (note_invalid_constants): Use recog_data.operand_type
19146 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19148 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19151 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19152 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19153 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19154 reload_secondary_in_reload, reload_secondary_out_reload,
19155 reload_secondary_in_icode, reload_secondary_out_icode,
19156 reload_reg_rtx, reload_when_needed): Delete declarations.
19157 (struct reload): New structure.
19158 (rld): Declare new array.
19159 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19160 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19161 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19162 reload_secondary_in_reload, reload_secondary_out_reload,
19163 reload_secondary_in_icode, reload_secondary_out_icode,
19164 reload_reg_rtx, reload_when_needed): Delete definitions.
19166 (whole file): Replace uses of the deleted arrays with uses of rld.
19167 * reload1.c (whole file): Replace uses of the deleted arrays with
19169 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19170 explicit loops, not with bcopy.
19172 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19174 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19175 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19176 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19177 insn_name): Delete and consolidate into new structures.
19178 (insn_operand_predicate_fn): New.
19179 (insn_output_fn): New.
19180 (insn_gen_fn): New.
19181 (struct insn_operand_data): New.
19182 (struct insn_data): New.
19184 (OUT_FCN): Update for insn_data change.
19185 * builtins.c (expand_builtin_strlen): Likewise.
19186 (expand_builtin_memcmp): Likewise.
19187 * combine.c (make_extraction, simplify_comparison): Likewise.
19188 * cse.c (canon_reg, cse_insn): Likewise.
19189 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19190 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19191 (emit_store_flag): Likewise.
19192 * expr.c (convert_move, emit_block_move): Likewise.
19193 (clear_storage, emit_push_insn, expand_increment): Likewise.
19194 (do_store_flag): Likewise.
19195 * expr.h (GEN_FCN): Likewise.
19196 (insn_gen_function): Die.
19197 * final.c (final_scan_insn): Update for insn_data change.
19198 (output_asm_name): Likewise.
19199 * function.c (fixup_var_refs_1): Likewise.
19200 * loop.c (check_dbra_loop): Likewise.
19201 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19202 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19203 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19204 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19205 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19206 * regmove.c (gen_add3_insn): Likewise.
19207 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19208 (find_reloads, find_reloads_address_1): Likewise.
19209 (debug_reload_to_stream): Likewise.
19210 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19211 * stmt.c (expand_end_case): Likewise.
19212 * toplev.c (compile_file): Likewise.
19214 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19215 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19217 * print-rtl.c (insn_name_ptr): Remove declaration.
19218 (get_insn_name): Declare.
19219 (print_rtx): Use it.
19220 * genoutput.c (insn_name_ptr): Remove.
19221 (next_operand_number): New.
19222 (struct operand_data): New.
19223 (null_operand, odata, odata_end): New.
19224 (struct data): Use struct operand_data.
19225 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19226 (get_insn_name): Renamed from name_for_index.
19227 (output_prologue): Define NO_MD_PROTOTYPES.
19228 (output_predicate_decls): Break out from output_epilogue.
19229 Iterate over the operands list.
19230 (output_operand_data): Break out from output_epilogue. Emit
19231 just the operands list.
19232 (output_insn_data): Break out from output_epilogue. Emit just
19234 (output_epilogue): Remove.
19235 (output_get_insn_name): New.
19236 (constraints, op_n_alternatives, predicates, address_p): Die.
19237 (modes, strict_low, seen): Die.
19238 (scan_operands): Take new param `d' instead of writing to
19239 seven global variables.
19240 (compare_operands): New.
19241 (place_operands): New.
19242 (validate_insn_alternatives): Update for struct data change.
19243 (gen_insn): Don't zero or copy 7 global arrays. Update for
19244 scan_operands; call place_operands.
19245 (gen_peephole, gen_expand, gen_split): Likewise.
19246 (main): Update for new output routines.
19248 * genattr.c (insn_name_ptr): Remove.
19249 (get_insn_name): New function.
19250 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19251 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19252 * genrecog.c: Likewise.
19254 * alpha.md (adddi3): Make `pattern' array static.
19256 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19258 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19259 c4x_cpu_version_string): Constify char *.
19260 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19261 c4x_cpu_version_string): Likewise.
19263 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19265 * tree.c (save_tree_status): Revert 10 Sep change.
19266 (restore_tree_status): Likewise. Call obstack_free with NULL
19267 before freeing the obstack proper.
19269 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19271 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19273 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19274 surrounding context.
19276 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19278 * tree.c (type_hash_canon): Put all types in the hash-table, when
19281 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19283 * recog.h (struct recog_data, recog_data): New.
19284 (recog_foo variables): Kill.
19285 * recog.c (recog_operand, recog_operand_loc): Kill.
19286 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19287 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19288 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19289 (recog_data): Define.
19290 (extract_insn): Update all recog_foo references to use recog_data.
19291 (preprocess_constraints, constrain_operands): Likewise.
19292 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19293 * genattrtab.c (main): Likewise.
19294 * genextract.c (main): Likewise.
19295 * genoutput.c: Likewise.
19296 * genrecog.c (write_subroutine, main): Likewise.
19297 * local-alloc.c (block_alloc): Likewise.
19298 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19299 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19300 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19301 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19302 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19303 (reload_cse_simplify_operands): Likewise.
19305 * arc/arc.c (arc_final_prescan_insn): Likewise.
19306 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19307 * h8300/h8300.c (notice_update_cc): Likewise.
19308 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19309 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19310 * mn10200/mn10200.c (notice_update_cc): Likewise.
19311 * mn10300/mn10300.c (notice_update_cc): Likewise.
19312 * romp/romp.c (update_cc): Likewise.
19313 * sparc/sparc.c (check_pic): Likewise.
19314 * v850/v850.c (notice_update_cc): Likewise.
19316 * genemit.c (main): Don't declare recog_operand.
19318 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19320 * ggc.h (rtvec_def): Forward declare.
19321 (tree_node): Likewise.
19322 (ggc_root): Define.
19324 (ggc_set_mark_rtx): Add prototype.
19325 (ggc_set_mark_rtvec): Likewise.
19326 (ggc_set_mark_tree): Likewise.
19327 * ggc-simple.c (ggc_root): Don't define.
19328 (roots): Don't declare.
19329 (ggc_mark_rtx): Remove.
19330 (ggc_mark_rtvec): Likewise.
19331 (ggc_mark_tree): Likewise.
19332 (ggc_mark_varray): Likewise.
19333 (ggc_mark_tree_hash_table_entry): Likewise.
19334 (ggc_mark_tree_hash_table): Likewise.
19335 (ggc_set_mart_rtx): New function.
19336 (ggc_set_mark_rtvec): Likewise.
19337 (ggc_set_mark_tree): Likewise.
19338 (ggc_add_root): Remove.
19339 (ggc_add_rtx_root): Likewise.
19340 (ggc_remove_tree_root): Likewise.
19341 (ggc_add_string_root): Likewise.
19342 (ggc_add_tree_varray_root): Likewise.
19343 (ggc_add_tree_hash_table_root): Likewise.
19344 (ggc_del_root): Likewise.
19345 (ggc_mark_rtx_ptr): Likewise.
19346 (ggc_mark_tree_ptr): Likewise.
19347 (ggc_mark_string_ptr): Likewise.
19348 (ggc_mark_tree_varray_ptr): Likewise.
19349 (ggc_mark_tree_hash_table_ptr): Likewise.
19350 * ggc-common.c: New file.
19351 * Makefile.in (OBJS): Add ggc-common.o.
19352 (ggc-common.o): List dependencies.
19354 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19356 * cppalloc.c (xstrdup): Use memcpy.
19357 * cpperror.c (cpp_print_containing_files): Don't use
19359 * cpplib.c (conditional_skip): Set temp->lineno.
19360 (do_endif): Make error message less obscure.
19361 (if_directive_name): New function.
19362 (cpp_get_token [case EOF]): Unwind the if stack and generate
19363 error messages for each unterminated conditional in this file.
19364 (parse_string): Do not behave differently if -traditional.
19366 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19368 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19369 va_list decomposing to pointer-type.
19370 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19371 (rs6000_va_arg): Likewise.
19373 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19375 * except.c (start_dynamic_handler): Compute size using
19376 STACK_SAVEAREA_MODE.
19378 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19380 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19381 include directory headers. Don't define strrchr. Don't provide
19382 my_* replacement functions. Prefer PTR over `pointer_type'.
19383 Don't prototype system functions. Don't redefine getopt.
19385 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19386 safe_read, safe_write, save_pointers, restore_pointers,
19387 is_id_char, in_system_include_dir, directory_specified_p,
19388 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19389 find_corresponding_lparen, referenced_file_is_newer,
19390 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19391 process_aux_info_file, identify_lineno, check_source,
19392 seek_to_line, forward_to_next_token_char, output_bytes,
19393 output_string, output_up_to, other_variable_style_function,
19394 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19395 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19396 find_static_definition, connect_defs_and_decs, add_local_decl,
19397 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19398 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19399 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19400 scan_for_missed_items, edit_file, string_list_cons): Add static
19402 (standard_exec_prefix, target_machine, target_version,
19403 default_syscalls_dir, string_list, string_list_cons, find_file,
19404 do_cleaning): Constify a char*.
19405 (safe_read, safe_write): Use PTR, not a char*.
19406 (is_id_char): Take an int, not a char.
19407 (main): Add prototype. Call return, not exit.
19409 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
19411 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
19412 when comparing types.
19414 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
19416 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
19417 (strength_reduce): Release the varrays from the no-bivs early exit.
19419 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
19420 the loop over the registers.
19422 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
19424 (restore_tree_status): Check that instead when freeing the obstack.
19426 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
19428 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
19431 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19433 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
19434 operand size modifiers.
19436 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19438 * c-common.c (c_common_nodes_and_builtins): Don't build
19440 * c-common.h (enum c_tree_index and related accesor macros): Remove
19441 everything now declared in tree.h.
19442 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19443 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
19444 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
19445 (error_mark_node, void_type_node, char_type_node, integer_type_node,
19446 unsigned_type_node, ptr_type_node, va_list_type_node,
19447 integer_zero_node, null_pointer_node, integer_one_node): Delete.
19448 (init_decl_processing): Call build_common_tree_nodes and
19449 build_common_tree_nodes_2 instead of building their nodes here.
19450 Don't add roots for these nodes.
19451 * stor-layout.c (size_zero_node, size_one_node): Delete.
19452 (set_sizetype): Make a new node for bitsizetype each time.
19453 * tree.c (global_trees): New variable.
19454 (init_obstacks): Add a gc root for it.
19455 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19456 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
19457 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
19458 (build_common_tree_nodes): New function.
19459 (fix_sizetype): New function.
19460 (build_common_tree_nodes_2): New function.
19461 * tree.h (enum tree_index): New.
19462 (global_trees): Declare.
19463 Add accessor macros for all nodes now moved to global_trees.
19464 Delete their declarations.
19466 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
19468 * c-decl.c (finish_function): When processing a nested function,
19469 push and pop GC context around rest_of_compilation.
19471 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
19473 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
19474 Default ix86_arch to PROCESSOR_I386.
19475 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
19476 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
19477 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
19478 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
19479 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
19480 (EXTRA_SPECS): Remove deleted specs.
19482 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
19484 * function.c (assign_stack_local_1): Allocate from
19485 function->x_frame_offset, not frame_offset.
19487 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
19489 * ggc.h (lang_cleanup_tree): Remove.
19490 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
19491 * ggc-callbacks.c (lang_cleanup_tree): Remove.
19493 * c-decl.c (finish_struct): Use ggc_alloc to allocate
19494 TYPE_LANG_SPECIFIC when garbage collecting.
19495 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
19496 (lang_cleanup_tree): Remove.
19498 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19500 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
19501 * crtstuff.c: Not here.
19502 * dwarf2out.c: Or here.
19503 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
19506 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
19508 * function.h (free_after_compilation): Remove decl parameter.
19509 (free_varasm_status0: Likewise.
19510 (free_emit_status): Likewise.
19511 (free_stmt_status): Likewise.
19512 (free_after_compilation): Likewise.
19513 (init_lang_status): New variable.
19514 (free_lang_status): Likewise.
19515 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
19516 * function.c (init_lang_status): New variable.
19517 (free_lang_status): Likewise.
19518 (push_function_context_to): Don't set function::decl here.
19519 (free_after_copmilation): Make decl parameter implicit. Call
19520 free_lang_status if defined.
19521 (prepare_function_start): Call init_lang_status if defined.
19522 (init_function_start): Set function::decl here.
19523 * profile.c (output_func_start_profiler): Don't call pushdecl
19524 until we've actually started the function.
19525 * stmt.c (free_stmt_status): Make decl parameter implicit.
19526 * toplev.c (rest_of_compilation): Don't pass decl to
19527 free_after_compilation.
19528 * varasm.c (free_varasm_status): Likewise.
19530 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19532 * except.c (call_get_eh_context): Add root when allocating static
19535 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
19537 * arm.c: Include "ggc.h".
19538 (arm_add_gc_roots): New function.
19539 (arm_override_options): Call it.
19540 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
19542 * arm.md (define_asm_attributes): Add a pool_range attribute.
19544 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
19546 * extend.texi (Volatiles): New node.
19548 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
19550 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
19551 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
19552 (struct ggc_any): Replace `mark' with `magic_mark'.
19553 (ggc_alloc_string): Use memcpy, not bcopy.
19554 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
19555 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
19556 (ggc_free_any): New.
19557 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
19558 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
19559 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
19560 Use IS_MARKED. Use ggc_free_any.
19562 1999-09-09 Scott Bambrough <scottb@netwinder.org>
19564 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
19566 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
19568 * toplev.c (main): Always init_ggc.
19570 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
19572 * except.c (find_all_handler_type_matches): Free the list if
19573 we found no matches.
19575 * combine.c (SUBST): Break out to a real function do_SUBST.
19576 (SUBST_INT): Likewise.
19577 * gcse.c (free_pre_mem): Free `temp_bitmap'.
19578 (pre_insert): Free `inserted'.
19579 * loop.c (basic_induction_var): Always set `location'.
19581 * function.c (expand_function_end): Add initial_trampoline as a root.
19582 * rtl.h (init_varasm_once): Declare.
19583 * toplev.c (compile_file): Call it.
19584 * ggc-simple.c (ggc_mark_string_ptr): New.
19585 (ggc_add_string_root): New.
19586 (ggc_collect): Disable collection avoidance temporarily.
19587 * ggc.h (ggc_add_string_root): Declare.
19588 * except.c (create_rethrow_ref): Use ggc_alloc_string.
19589 * optabs.c (init_libfuncs): Likewise.
19590 * varasm.c (named_section): Use ggc_alloc_string.
19591 (make_function_rtl): Likewise.
19592 (make_decl_rtl): Likewise.
19593 (assemble_static_space): Likewise.
19594 (assemble_trampoline_template): Likewise.
19595 (output_constant_def): Likewise.
19596 (force_const_mem): Likewise.
19597 (mark_const_hash_entry): New.
19598 (mark_pool_sym_hash_table): New.
19599 (mark_varasm_state): Use it.
19600 (init_varasm_once): New.
19602 * expr.h (init_one_libfunc): Declare.
19603 * optabs.c (init_one_libfunc): New.
19604 (init_optabs): Use it.
19605 * config/gofast.h: Likewise.
19606 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
19607 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
19609 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19611 * Makefile.in (cppexp.o): Depend on cpphash.h.
19612 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
19614 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
19615 * cpplib.c (do_define): Generalise to handle poisoned definitions,
19616 redefining poisoned identifiers, etc.
19617 (do_undef): Don't allow poisoned identifiers to be undefined.
19618 (do_pragma): Add #pragma poison.
19619 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19621 * cccp.c: Add T_POISON node type.
19622 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
19624 (do_define): Generalise to handle poisoned definitions,
19625 redefining poisoned identifiers, etc.
19626 (do_undef): Don't allow poisoned identifiers to be undefined.
19627 (do_pragma): Add #pragma poison.
19628 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19630 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
19631 * c-pragma.h: Add ps_poison state. We now always have generic
19634 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
19636 * ggc.h (ggc_alloc): New function.
19637 (ggc_mark): Likewise.
19638 * ggc-simple.c (ggc_any): New structure.
19639 (ggc_status): Add anys.
19640 (n_anys_collected): New variable.
19641 (ggc_alloc): Define.
19642 (ggc_mark): Likewise.
19643 (ggc_collect): Collect the anys.
19645 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19647 * c-decl.c (mark_binding_level): Make static to match prototype.
19649 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
19651 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
19653 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
19655 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
19656 will use into account. Expand the max width to 5.
19659 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
19661 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
19662 for the rtx length.
19664 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
19666 * alpha.md (call value patterns): Remove the result predicates.
19668 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
19670 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
19673 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19675 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
19676 changed from extern char *, to extern PTR. Also fix typo in
19677 NEED_DECLARATION_REALLOC test.
19679 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
19681 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19683 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
19684 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
19685 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
19686 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
19688 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
19690 * cccp.c (pcfinclude): Likewise.
19692 * global.c (allocno_compare): Likewise.
19694 * haifa-sched.c (rank_for_schedule): Likewise.
19696 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
19698 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
19700 * stupid.c (stupid_reg_compare): Likewise.
19702 * tree.c (_obstack_allocated_p): Likewise.
19704 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
19706 1999-09-08 Bruce Korb autogen@linuxbox.com
19708 * Makefile.in: Give the hapless gperf user a hint about
19709 why "gperf -F" fails.
19711 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
19713 * lists.c: Include ggc.h.
19715 (init_EXPR_INSN_LIST_cache): Install it.
19717 * ggc-simple.c (init_ggc): Absorb the old init.
19718 (ggc_push_context): Use xcalloc.
19719 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
19720 (ggc_collect): Add [rvts] tags to the collection stats.
19722 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
19724 * cccp.c (main): Fix handling of -include and -imacros options.
19726 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
19728 * cpplib.c (cpp_push_buffer): Fix order of arguments.
19730 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19732 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
19735 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19737 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
19738 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
19739 and SET_DEST. Update comment.
19741 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19743 * config/c4x/c4x.c: Include ggc.h.
19744 (c4x_add_gc_roots): New function.
19745 (c4x_override_options): Call c4x_add_gc_roots.
19747 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
19749 * defaults.h (TARGET_ESC): Move ...
19750 * system.h: ... here, where Linas had it in the first place. Silly me.
19752 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
19754 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
19755 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
19756 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
19757 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
19758 * defaults.h (TARGET_ESC): Add default.
19760 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
19762 * configure.in: add i370-*-openedition, i370-*-mvs and
19763 i370-*-linux targets
19765 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
19767 * dsp16xxx.c: Include ggc.h
19768 (override_options): Mark GC roots.
19769 * mn10200.c: Include ggc.h.
19770 (asm_file_start): Mark GC roots.
19771 * tahoe.c: Include ggc.h.
19772 (extensible_operand): Mark GC roots.
19774 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
19776 * README: Add section discussing status of ELF ABI.
19777 * i370.c: Fix misc spelling mistakes.
19778 (i370_label_scan): Updated notes, exception handling.
19779 (i370_function_prolog): Simplify ELF stack handling.
19780 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
19781 (STACK_GROWS_DOWNWARD): ELF stack grows down.
19782 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
19783 * i370.md: (movdi): Add notes.
19784 (floatsidf2): Use stack not rtca for scratch float area.
19785 (iorsi3): Correct operand constraints.
19786 * x-oe: Restore TAROUTOPTS which are used by pax.
19788 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
19790 * rs6000.c: Include ggc.h.
19791 (rs6000_add_gc_roots): New function.
19792 (override_options): Call it.
19794 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
19796 * alpha.h (alpha_compare): New.
19797 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
19798 * alpha.c: Likewise for the definitions.
19799 (alpha_emit_conditional_branch): Update for alpha_compare.
19800 (alpha_emit_conditional_move): Likewise.
19801 * alpha.md (cmpdf, cmpdi): Likewise.
19802 (setcc patterns): Likewise. Zero alpha_compare after use.
19803 (sne): Optimize (x != 0) into (0U < x).
19805 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
19807 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
19808 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
19809 (INIT_EXPANDERS): Remove.
19810 * alpha.c: Include ggc.h.
19811 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
19812 (alpha_init_machine_status, alpha_mark_machine_status): New.
19813 (override_options): Install them.
19814 (struct machine_function): Moved to alpha.h.
19815 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
19816 (alpha_init_expanders): Remove.
19817 (alpha_return_addr): Adjust to use current_function->machine.
19818 (alpha_ra_ever_killed): Likewise.
19819 (alpha_expand_epilogue): Likewise.
19820 * alpha.md (eh_epilogue): Likewise.
19822 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
19823 Melissa O'Neill <oneill@cs.sfu.ca>
19824 Geoffrey Keating <geoffk@cygnus.com>
19826 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
19827 call-used registers (call-saved registers must still be contiguous
19828 and end with r31, of course).
19830 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
19832 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
19833 (self_promoting_type_p): Delete.
19834 (self_promoting_args_p): Move ...
19835 * c-common.c: ... here.
19836 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
19837 (simple_type_promotes_to): New.
19838 * builtins.c (lang_type_promotes_to): New.
19839 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
19840 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
19841 * c-common.h: ... here.
19842 (self_promoting_args_p, simple_type_promotes_to): Declare.
19843 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
19844 (grokdeclarator): Likewise.
19845 * tree.h (lang_type_promotes_to): Declare.
19847 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
19849 Add some machine-dependent GC roots.
19850 * sparc.c: Include ggc.h.
19851 (sparc_add_gc_roots): New function.
19852 (mark_ultrasparc_pipeline_state): Likewise.
19853 (override_options): Call sparc_add_gc_roots.
19854 * pa.c: Include ggc.h.
19855 (pa_add_gc_roots): New function.
19856 (mark_deferred_plabels): Likewise.
19857 (override_options): Call pa_add_gc_roots.
19858 * mips.c: Include ggc.h.
19859 (mips_add_gc_roots): New function.
19860 (override_options): Use it.
19862 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19864 * cpperror.c (cpp_file_line_for_message): Constify a char*.
19866 * cppexp.c (parse_number, parse_charconst, cpp_lex,
19867 cpp_parse_expr): Add static prototypes.
19868 (parse_charconst): Don't cast away const-ness.
19869 (token): Constify a char*.
19871 * cppfiles.c (file_name_list, include_hash, find_include_file,
19872 finclude, initialize_input_buffer): Constify a char*.
19873 (file_cleanup, find_position): Add static prototypes.
19875 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
19876 collect_expansion): Add static prototypes.
19877 (cpp_install, create_definition, monthnames): Constify a char*.
19879 * cpphash.h (cpp_install): Likewise.
19881 * cppinit.c (known_suffixes, default_include,
19882 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
19883 (base_name, dump_special_to_buffer, initialize_dependency_output):
19884 Add static prototypes.
19886 * cpplib.c (my_strerror): Constify a char*.
19887 (null_underflow, null_cleanup, skip_comment, copy_comment,
19888 copy_rest_of_line, handle_directive, pass_thru_directive,
19889 get_directive_token, read_line_number, cpp_print_file_and_line,
19890 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
19891 v_cpp_warning_with_line, detect_if_not_defined,
19892 consider_directive_while_skipping): Add static prototypes.
19893 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
19894 cpp_pedwarn_with_file_and_line): Constify a char*.
19896 * cpplib.h (cpp_options, include_hash, progname, definition,
19897 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
19898 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
19899 find_include_file, deps_output, include_hash): Constify a char*.
19901 * cppmain.c (progname): Constify.
19902 (main): Add prototype. Use return, not exit.
19904 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
19905 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
19906 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
19907 check_protection): Add static prototype.
19909 (progname, recognized_macrom, recognized_extern): Constify a char*.
19910 (main): Add prototype.
19912 * gen-protos.c (progname): Constify a char*.
19914 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
19916 * emit-rtl.c (free_emit_status): Take decl as a parameter.
19917 (init_emit_once): Add more GC roots.
19918 * except.c (mark_func_eh_entry): New function.
19919 (mark_eh_node): Mark false_label and rethrow_label.
19920 (init_eh): Add more GC roots.
19921 * function.c (free_after_compilation): Take decl as a paramter.
19922 Call free_stmt_status.
19923 (mark_function_state): Don't assume x_parm_reg_stack_loc is
19925 * function.h (free_after_compilation): Change prototype.
19926 (free_varasm_status): Likewise.
19927 (free_emit_status): Likewise.
19928 (free_stmt_status): New function.
19929 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
19930 Remove, replacing with ...
19931 (ggc_status): New structure.
19932 (ggc_chain): New variable.
19933 (init_gcc): Define.
19934 (ggc_push_context): New function.
19935 (ggc_pop_context): Likewise.
19936 (ggc_alloc_rtx): Adjust for use of ggc_chain.
19937 (ggc_alloc_rtvec): Likewise.
19938 (ggc_alloc_tree): Likewise.
19939 (ggc_alloc_string): Likewise.
19940 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
19941 (ggc_mark_tree): Give language-dependent code a chance to mark
19943 (ggc_mark_tree_varray): Handle empty arrays.
19944 (ggc_collect): Adjust for use of ggc_chain. Clear
19945 bytes_alloced_since_last_gc.
19946 * ggc.h (ggc_pop_context): New function.
19947 (ggc_push_context): Likewise.
19948 * print-tree.c (print_node): Don't print obstacks when GC'ing.
19949 * stmt.c (free_stmt_status): New function.
19950 (init_stmt_for_function): Clear last_expr_value.
19951 * toplev.c (rest_of_compilation): Always call free_after_compilation.
19952 Conditionalize call to ggc_collect.
19953 (main): Call init_ggc.
19954 * tree.c (push_obstacks): Do the push, even when GC'ing.
19955 (push_obstacks_nochange): Likewise.
19956 (pop_obstacks): Liekwise.
19957 * varasm.c (free_varasm_status): Take decl as a parameter.
19959 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
19961 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
19962 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
19963 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
19964 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
19966 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
19968 * pa/x-pa-mpeix: New file for the MPE port.
19970 * pa/quadlib.asm: New file for long double support.
19972 * configure.in: Add hppa1.0-*-mpeix for MPE port.
19973 * configure: Rebuilt.
19975 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
19977 * final.c (shorten_branches): Fix last change.
19979 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
19981 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
19983 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
19985 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
19988 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19990 * c-aux-info.c (concat): Don't define.
19992 * cccp.c (my_strerror): Likewise. All callers changed to use
19994 (do_include): Call xstrdup, not xmalloc/strcpy.
19995 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
19996 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
19998 * collect2.c (my_strsignal): Likewise. All callers changed to use
20000 (locatelib): Call xstrdup, not xmalloc/strcpy.
20002 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20004 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20006 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20008 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20010 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20012 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20014 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20016 (find_all_handler_type_matches): Likewise. Don't check return
20018 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20019 xmalloc, not malloc.
20020 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20022 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20023 (init_spec): Call xcalloc, not xmalloc/bzero.
20024 (set_spec): Call xstrdup, not save_string.
20025 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20026 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20027 (process_command): Call xstrdup, not save_string.
20028 (main): Call xcalloc, not xmalloc/bzero.
20030 * gcov.c (xmalloc): Don't define.
20031 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20032 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20033 (output_data): Call xcalloc, not xmalloc/bzero.
20035 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20037 * mips-tdump.c (xmalloc): Don't define.
20038 (print_symbol): Call xmalloc, not malloc.
20039 (read_tfile): Call xcalloc, not calloc.
20041 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20042 Don't define. All callers of xfree/my_strsignal changed to use
20043 free/strsignal instead.
20044 (allocate_cluster): Call xcalloc, not calloc.
20046 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20047 Fix memory leak, free allocated memory.
20049 * prefix.c (translate_name): Call xstrdup, not save_string.
20050 (update_path): Likewise.
20052 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20054 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20055 Don't define. Callers of xfree/savestring2 changed to use
20056 free/concat instead.
20058 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20059 (init_elim_table): Likewise.
20061 * resource.c (init_resource_info): Likewise.
20063 * stupid.c (stupid_life_analysis): Likewise.
20065 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20066 (open_dump_file): Call concat, not xmalloc/strcpy/...
20067 (clean_dump_file): Likewise.
20068 (compile_file): Call xstrdup, not xmalloc/strcpy.
20070 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20072 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20073 * v850.c (v850_va_arg): New.
20075 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20077 * haifa-sched.c: Tidy comments.
20079 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20081 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20082 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20083 $(out_object_file)): Depend on ggc.h.
20084 * c-common.c: Include "ggc.h".
20085 (combine_strings): If doing GC, use ggc_alloc_string.
20086 * c-decl.c: Include "ggc.h".
20087 (ggc_p): Define with value 0.
20088 (mark_binding_level): New function.
20089 (init_decl_processing): Add GC roots.
20090 (mark_c_function_context): New function.
20091 (lang_mark_false_label_stack): New function.
20092 (lang_mark_tree): New function.
20093 (lang_cleanup_tree): New function.
20094 * c-lang.c: Include "ggc.h".
20095 (lang_init): Call c_parse_init.
20096 * c-lex.c: Include "ggc.h".
20097 (check_linenum): If doing GC, don't copy filenames to permanent
20099 * c-parse.in: Include "ggc.h".
20100 (c_parse_init): New function.
20101 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20102 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20104 * except.c (mark_eh_state): Mark more state.
20105 * function.c (mark_function_state): Likewise.
20106 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20107 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20108 * toplev.c (mark_file_stack): New function.
20109 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20110 (main): Add root for input_file_stack.
20112 * i386.c: Include "ggc.h".
20113 (ix86_mark_machine_status): New function.
20114 (override_options): Set mark_machine_status.
20116 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20118 * tree.c (copy_node): Copy node contents also if doing GC.
20120 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20122 * collect2.c (scan_libraries): Fix double-thinko :-).
20124 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20126 * collect2.c (scan_libraries): Fix thinko.
20128 * cse.c (delete_trivially_dead_insns): Do not skip the last
20129 insn if it is a real insn.
20131 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20133 * Makefile.in (ggc-simple.o): Depend on hash.h.
20134 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20135 (ggc_mark_tree_varray): Likewise.
20136 (ggc_mark_tree_hash_table): Likewise.
20137 * ggc-simple.c: Include hash.h.
20138 (ggc_mark_tree_hash_table_ptr): New function.
20139 (ggc_mark_tree_hash_table_entry): Likewise.
20140 (ggc_mark_tree_hash_table): Likewise.
20141 (ggc_add_tree_hash_table_root): Likewise.
20142 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20143 rtx, when defining fields.
20145 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20147 * profile.c (output_func_start_profiler): Remove apparently
20148 nonsensical call to start_sequence.
20150 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20152 * clipper/clipper.c (clipper_va_start): Fix typos.
20154 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20155 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20156 (spur_va_arg): New stub.
20158 * configure.in: Comment out pyramid.
20160 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20162 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20163 don't conflict with the bits that win32, cygwin, and dgux
20166 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20167 Bernd Schmidt <bernds@cygnus.co.uk>
20169 * integrate.c (function_cannot_inline_p): Do not inline
20170 functions with forced labels.
20172 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20173 Bernd Schmidt <bernds@cygnus.co.uk>
20174 Mark Mitchell <mark@codesourcery.com>
20176 * Makefile.in (ggc-simple.o): Depend on varray.h.
20177 (rtl.o): Depend on ggc.h.
20178 (genattrtab.o): Depend on ggc.h.
20179 (print-tree.o): Likewise.
20180 (fold-const.o): Likewise.
20181 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20182 (make_insn_raw): Don't cache insns when GC'ing.
20183 (emit_insn_before): Likewise.
20184 (emit_insn_after): Likewise.
20185 (emit_insn): Likewise.
20186 (start_sequence): Use xmalloc to allocate the sequence_stack.
20187 (end_sequence): Add free to free it.
20188 (gen_sequence): Don't cache insns when GC'ing.
20189 (clear_emit_caches): Don't use sequence_element_free_list.
20190 (init_emit): Use xcalloc, not xmalloc+bzero.
20191 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20192 * function.c (pop_function_context_from): Use free to free the
20193 fixup_var_refs_queue.
20194 (put_reg_into_stack): Allocate it with xmalloc.
20195 * genattrtab.c: Include ggc.h.
20196 (operate_exp): Don't use obstack_free when GC'ing.
20197 (simplify_cond): Likewise.
20198 (simplify_text_exp): Likewise.
20199 (optimize_attrs): Likewise.
20200 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20202 (gencode): Generate a #include for ggc.h.
20203 * ggc-callbacks.c (ggc_p): Define it to zero.
20204 * ggc-none.c (ggc_p): Likewise.
20205 * ggc-simple.c: Include varray.h.
20206 (ggc_mark_tree_varray): New function.
20207 (ggc_add_tree_varray_root): Likewise.
20208 (ggc_mark_tree_varray_ptr): Likewise.
20209 * ggc.h (ggc_p): Declare.
20210 (varray_head_tag): Likewise.
20211 (ggc_add_tree_varray_root): Declare.
20212 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20213 inconsistencies when GC'ing.
20214 * rtl.c: Include ggc.h.
20215 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20216 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20217 (rtx_free): Don't call obstack_free when GC'ing.
20218 * toplev.c (rest_of_compilation): Call ggc_collect after every
20220 * tree.c (push_obstacks): Do nothing, if GC'ing.
20221 (pop_obstacks_nochange): Likewise.
20222 (pop_obstacks): Likewise.
20223 (make_node): Use ggc_alloc_tree when GC'ing.
20224 (copy_node): Likewise.
20225 (get_identifier): Use ggc_alloc_string when GC'ing.
20226 (build_string): Likewise.
20227 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20228 (tree_cons): Likewise.
20229 (build1): Likewise.
20230 (type_hash_canon): Don't call obstack_free when GC'ing.
20232 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20234 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20235 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20237 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20238 Bernd Schmidt <bernds@cygnus.co.uk>
20239 Mark Mitchell <mark@codesourcery.com>
20241 * Makefile.in (stor-layout.o): Depend on ggc.h.
20242 (expr.o): Depend on ggc.h.
20243 (profile.o): Depend on ggc.h.
20244 (stor-layout.o): Depend on ggc.h.
20245 * emit-rtl.c (init_emit_once): Add gc roots.
20246 * expr.c: Include ggc.h.
20247 (emit_block_move): Add gc roots.
20248 (clear_storage): Likewise.
20249 * expr.h (init_stor_layout_once): New function.
20250 * profile.c: Include ggc.h.
20251 (init_arc_profiler): profiler_label is a root.
20252 * scan.c (make_sstring_space): Trust xrealloc to function
20253 correctly with first parameter NULL.
20254 * stor-layout.c: Include ggc.h.
20255 (set_sizetype): Add gc root.
20256 (init_stor_layout_once): New function.
20257 * toplev.c (compile_file): Call it.
20259 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20260 Bernd Schmidt <bernds@cygnus.co.uk>
20261 Mark Mitchell <mark@codesourcery.com>
20263 * Makefile.in (tree.o): Depend on ggc.h.
20264 (varasm.o): Likewise.
20265 (function.o): Likewise.
20266 (stmt.o): Likewise.
20267 (except.o): Likewise.
20268 (optabs.o): Likewise.
20269 (emit-rtl.o): Likewise.
20270 * emit-rtl.c: Include ggc.h.
20271 (sequence_element_free_list): Remove, and all references.
20272 (mark_sequence): New functions.
20273 (mark_emit_state): New function.
20274 * except.c: Include ggc.h.
20275 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20276 (mark_tree_label_node): New functions.
20277 (mark_eh_state): New function.
20278 * function.c: Include ggc.h.
20279 (mark_temp_slot, mark_function_chain): New functions.
20280 (mark_function_state): New function.
20281 (init_function_once): New function.
20282 * function.h (init_function_once): New function.
20283 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20284 * ggc.h (label_node): Declare.
20285 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20286 (lang_mark_false_label_stack): New function.
20287 (mark_temp_slot): Remove declaration.
20288 (mark_function_chain): Likewise.
20289 (mark_eh_state): Adjust prototype.
20290 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20292 * optabs.c: Include ggc.h.
20293 (mark_optab): New function.
20294 (init_optabs): Add gc roots.
20295 * stmt.c: Include ggc.h.
20296 (mark_cond_nesting, mark_loop_nesting): New functions.
20297 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20298 (mark_stmt_state): New function.
20299 * toplev.c (compile_file): Call init_function_once.
20300 * tree.c: Include ggc.h.
20301 (type_hash): Move declaration earlier in file.
20302 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20303 (init_obstacks): Add gc roots.
20304 (mark_type_hash): New function.
20305 * varasm.c: Include ggc.h.
20306 (mark_pool_constant): New function.
20307 (mark_varasm_state): New function.
20309 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20311 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20313 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20315 * c-decl.c (struct language_function): Renamed from struct c_function.
20317 (c_function_chain): Delete.
20318 (push_c_function_context): New arg F. Don't warn about nested
20319 functions here. Fill LANGUAGE elt of F. Delete code to update
20320 c_function_chain. Don't call push_function_context.
20321 (pop_c_function_context): New arg F. Restore from there instead of
20322 from c_function_chain. Don't call pop_function_context. Clear out
20323 LANGUAGE field of F when done.
20324 * c-lang.c: Include "function.h"
20325 (lang_init): Initialize save_lang_status and restore_lang_status.
20326 * c-parse.in (nested_function, nested_function_notype): Warn about
20327 nested functions. Call push_function_context/pop_function_context
20328 instead of the _c_ variants.
20329 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20331 * Makefile.in (c-lang.o): Update dependencies.
20333 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20334 regno_pointer_flag, regno_pointer_align.
20335 (gen_reg_rtx): Use xrealloc to enlarge them.
20336 (free_emit_status): New function.
20337 * function.c (mark_machine_status, mark_lang_status): New variables.
20338 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20339 in some bits from assign_stack_local. All callers changed to use new
20341 (assign_stack_local): Just call assign_stack_local_1.
20342 (free_after_compilation): New function.
20343 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20344 (trampoline_address): Likewise.
20345 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20346 (prepare_function_start): Explicitly clear some more variables.
20347 * function.h (struct function): New elt can_garbage_collect.
20348 (mark_machine_status, mark_lang_status): Declare variables.
20349 (free_after_compilation, free_emit_status, free_varasm_status,
20350 init_varasm_status): Declare functions.
20351 * toplev.c (rest_of_compilation): Call free_after_compilation when
20352 done with the current function.
20353 * varasm.c (free_varasm_status): New function.
20355 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20357 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20358 (EXPAND_BUILTIN_VA_ARG): Define.
20359 * sparc.c (sparc_va_start): New.
20360 (sparc_va_arg): New.
20362 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20364 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20366 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20368 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20370 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20372 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20373 (OBJS): Add $(GGC).
20374 (ggc-callbacks.o): New target.
20375 * ggc-callbacks.c: New file.
20377 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20379 * expr.h: Collapse individual optab and libfunc vars to arrays.
20380 (optab_index, libfunc_index): New enumerations.
20381 (optab_table, libfunc_table): New arrays.
20382 Add accessor macros for both.
20384 * optabs.c (optab_table, libfunc_table): New.
20385 Delete declarations for individual optab and libfunc vars.
20387 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20389 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20391 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20393 * Makefile.in (GGC, GGC_LIB): New.
20394 (HOST_RTL): Include ggc-none.o.
20395 (ggc-simple.o): New target.
20396 (ggc-none.o): Likewise.
20397 * tree.h (tree_common): Add gc_mark.
20398 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20399 (struct rtvec_def): Add gc_mark.
20400 * emit-rtl.c (global_rtl): Update static initializers to contain
20401 enough initializers.
20402 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20403 * toplev.c (gc_time): New variable.
20404 (all_time): New variable.
20405 (compile_file): Print gc time.
20406 (print_time): Calculate percentage of the whole.
20408 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20410 Change obstack memory management and varasm constant pool handling so
20411 that nested functions are treated like any other functions.
20412 * function.c (init_machine_status): New variable.
20413 (push_function_context_to): Set contains_functions for the outer
20414 function. Don't call save_varasm_status.
20415 (pop_function_context_from): Don't call restore_varasm_status. Don't
20416 set current_function_contains_functions.
20417 (prepare_function_start): Call init_varasm_status rather than
20418 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
20420 * function.h (struct function) Add field varasm. Delete fields
20421 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
20422 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
20423 (init_machine_status): Declare.
20424 (save_varasm_status, restore_varasm_status): Delete declarations.
20425 (save_tree_status, restore_tree_status): Delete last argument.
20426 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
20427 code. All callers changed.
20428 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
20429 save_constants_in_decl_trees, restore_constants, save_constants,
20430 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
20432 (inlining): New variable.
20433 (reg_map, label_map, insn_map, orig_asm_operands_vector,
20434 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
20436 (save_for_inline_nocopy): Don't save constants.
20437 Don't set inl_emit field in current_function.
20438 (expand_inline_function): Use emit field, not inl_emit, of the inlined
20439 function. Set new variable inlining before
20440 calling copy_rtx_and_substitute.
20441 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
20442 constant pool references if inlining is nonzero.
20443 Delete ADDRESS and (most of the) CONST cases.
20444 (output_inline_function): Save and restore current_function/
20445 current_function_decl. Delete restore_constants code. Don't call
20446 init_const_rtx_hash_table.
20447 * output.h (init_const_rtx_hash_table): Don't declare.
20448 * rtl.h (struct function): Declare.
20449 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
20450 * toplev.c (rest_of_compilation): Don't treat nested functions or
20451 functions containing them specially. Delete all code to deal with
20452 save_for_inline_copying.
20453 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
20454 inline_obstacks): Delete variables.
20455 (save_tree_status): Lose arg CONTEXT. All callers changed.
20456 Simply allocate a new function_maybepermanent_obstack for the new
20457 function, delete all the special cases.
20458 Don't save inline_obstacks.
20459 (restore_tree_status): Lose arg CONTEXT. All callers changed.
20460 Delete special handling for function_maybepermanent_obstack; simply
20462 Don't restore inline_obstacks.
20463 (permanent_allocation): Delete code that frees inline_obstacks.
20464 (print_inline_obstack_statistics): Delete function.
20465 (dump_tree_statistics): Don't call it.
20466 * varasm.c (struct varasm_status): New.
20467 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
20468 last_pool, pool_offset, const_double_chain): Delete global
20469 variables, replace with accessor macros.
20470 (immed_double_const): Don't walk const_double_chain outside a
20471 function, but don't treat nested functions specially anymore.
20472 (immed_real_const_1): Likewise.
20473 (clear_const_double_mem): Don't treat nested functions specially.
20474 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
20475 (save_varasm_status, restore_varasm_status): Delete functions.
20476 (init_varasm_status): New function.
20477 (force_const_mem): Don't treat nested functions specially.
20478 (find_pool_constant): Accept new arg F, search for constants in
20479 that function's pool rather than the current one. All callers
20481 (get_pool_constant_for_function, get_pool_mode_for_function): New
20484 * i386.c (init_386_machine_status): New function, mostly from
20485 clear_386_stack_locals.
20486 (struct machine_functions): Rename element names to avoid name
20488 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
20489 macros, replacing global variables.
20490 (clear_386_stack_locals, save_386_machine_status,
20491 restore_386_machine_status): Delete functions.
20492 (override_options): Initialize init_machine_status.
20493 * i386.h (INIT_EXPANDERS): Delete macro.
20494 (save_386_machine_status, restore_386_machine_status,
20495 clear_386_stack_locals): Delete declarations.
20497 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20499 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
20500 (doloop_begin): Simplify pattern and use emit_jump_insn.
20501 (doloop_end): Simplify pattern, switch operand order,
20502 and use emit_jump_insn.
20504 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20506 * function.h (struct function): Add new element LANGUAGE.
20507 (save_lang_status): Declare new variable.
20508 (restore_lang_status): Likewise.
20509 * function.c (save_lang_status): Define.
20510 (restore_lang_status): Likewise.
20511 (push_function_context_to): Call language-specific save function.
20512 (pop_function_context_from): Call language-specific restore function.
20514 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20516 * i386.md (movsf_1): Check REG_P before use of REGNO.
20517 (movdf_1): Likewise.
20518 (movxf_1): Likewise.
20519 (extendsfdf2): Likewise.
20520 (extendsfxf2): Likewise.
20521 (extenddfxf2): Likewise.
20523 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20525 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
20526 constants into memory.
20527 (c4x_shiftable_constant): New function.
20528 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
20529 (c4x_shiftable_constant): Declare.
20530 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
20531 ashlqi3_noclobber): Add new patterns and associated splitters.
20533 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
20535 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
20536 * dwarf2out.c (dwarf2out_frame_init): Likewise.
20537 * final.c (shorten_branches): Likewise.
20538 * global.c (global_alloc): Likewise.
20539 * haifa-sched.c (build_control_flow): Likewise.
20540 * stmt.c (check_for_full_enumeration_handling): Likewise.
20541 (estimate_case_costs): Likewise.
20543 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
20545 * rtl.h (RTL_CHECKC2): Fix typo in last change.
20547 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
20549 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
20550 (recompute_reg_usage): Likewise.
20551 * rtlanal.c (find_regno_fusage): Likewise.
20553 * rtl.c (rtl_check_failed_code1): New function.
20554 (rtl_check_failed_code2): New.
20555 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
20556 (RTL_CHECKC1, RTL_CHECKC2): New.
20557 (XC*): New accessor macros.
20558 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
20559 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
20560 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
20561 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
20562 (TRAP_*, RANGE_INFO_*): Likewise.
20564 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20566 * Makefile.in (tlink.o): Don't depend on toplev.h.
20568 * collect2.c (c_file, o_file, export_file, import_file, ldout,
20569 output_file, nm_file_name, ldd_file_name, strip_file_name,
20570 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
20571 add_prefix, prefix_from_env, prefix_from_string, do_wait,
20572 fork_execute, maybe_unlink, add_to_list,
20573 extract_init_priority, write_list, dump_list,
20574 dump_prefix_list, write_list_with_asm, write_c_file,
20575 write_c_file_stat, write_c_file_glob, scan_prog_file,
20576 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
20577 ignore_library, extract_string, notice, dump_file, target_machine,
20578 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
20579 read_file, print_load_command): Constify a char*.
20580 (fdopen, error, fatal, fatal_perror): Don't prototype.
20581 (my_strerror): Remove. All callers use xstrerror instead.
20582 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
20583 (main): Add prototype. Constify lots of char* ptrs. Change calls
20584 to xcalloc/strcpy/strcat/... to one call to concat.
20585 (main, scan_prog_file, scan_libraries): Use an intermediate
20586 `const char **' to build an argv array.
20587 (mapfile, libselect, libcompare, locatelib): Add prototypes.
20589 * collect2.h (collect_execute, collect_wait, dump_file,
20590 file_exists): Constify a char*.
20591 (ldout, c_file_name, temporary_obstack, permanent_obstack,
20592 temporary_firstobj, vflag, debug): Add extern declarations.
20593 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
20595 * tlink.c: Don't include toplev.h.
20596 (vflag, debug, ldout, c_file_name, temporary_obstack,
20597 permanent_obstack, temporary_firstobj): Don't declare.
20598 (tlink_execute, frob_extension, symbol_hash_lookup,
20599 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
20600 recompile_files, read_repo_files, demangle_new_symbols,
20601 scan_linker_output): Constify a char*.
20602 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
20603 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
20605 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
20607 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
20608 (relative) rather than jsr (absolute) subroutine call insns.
20609 * config/m68k/m68k-coff.h: Ditto.
20611 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
20613 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
20614 now rework these too.
20615 (arm_reorg): If an insn can't reach the end of the current pool,
20616 ensure that we emit that pool before the insn.
20618 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
20620 * tlink.c (scan_linker_output): Skip the initial underscore in
20621 a mangled name if appropriate.
20623 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20625 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
20626 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
20627 error_with_ivar, gen_declarator, create_builtin_decl,
20628 my_build_string, generate_descriptor_table, generate_ivars_list,
20629 generate_dispatch_table, check_protocols, TAG_GETCLASS,
20630 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
20631 dump_base_name, lang_decode_option, build_encode_expr,
20632 start_class, finish_class, encode_pointer, really_start_method,
20633 gen_declaration, dump_interface, handle_class_ref, handle_impent):
20635 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
20636 Add static prototypes.
20637 (build_objc_string_decl, build_selector_reference_decl,
20638 encode_bitfield, build_class_reference_decl): Remove unused
20639 parameter, all callers changed.
20640 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
20641 (objc_printable_name): Likewise. Change second parameter to type int.
20642 (init_objc): Use memcpy, not bcopy, to avoid casts.
20644 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
20646 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
20647 reg notes on a deleted insn.
20648 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
20650 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
20652 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
20654 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20656 * stmt.c (expand_asm_operands): Fix index into inout_mode when
20659 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
20661 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
20662 * tm.texi (MD_ASM_CLOBBERS): Document it.
20664 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
20666 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
20667 * except.c (expand_rethrow): Remove unused variable.
20668 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
20669 * flow.c (replace_insns): Likewise.
20670 (create_edge_list, verify_edge_list): Likewise.
20671 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
20673 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
20674 is special code to run.
20675 (main): Don't define operands to emit_operand.
20676 * genrecog.c (main): Don't emit an empty peephole2_insn function.
20678 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
20680 * alpha/alpha.h (normal_memory_operand): Declare.
20681 (reg_no_subreg_operand): Declare.
20682 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
20684 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
20686 * c-parse.in (compstmt_primary_start): New, broken out of first
20687 part of compstmt handling in primary.
20688 (primary): Use it. Add an error clause.
20689 (compstmt_nostart): Renamed from compstmt; remove all
20690 initial invocations of compstmt_start.
20693 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
20695 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
20698 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
20700 * combine.c (simplify_shift_const): Remove extra semicolon.
20701 * dwarf2out.c (remove_AT): Likewise.
20702 * expmed.c (expand_mult): Likewise.
20703 * gcov.c (create_program_flow_graph): Likewise.
20704 * reorg.c (mostly_true_jump): Likewise.
20706 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
20708 * fold-const.c (fold_range_test): Do not try to fold the range
20709 test if the rhs or lhs has side effects.
20711 * combine.c (simplify_rtx): Recognize another case of a synthesized
20714 * varasm.c (mark_constant_pool): When marking indirect references,
20715 only look at SYMBOL_REFs.
20717 * except.c (expand_fixup_region_end): Do not peek at
20718 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
20720 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
20722 * flags.h: New variables align_loops, align_loops_log,
20723 align_jumps, align_jumps_log, align_labels, align_labels_log,
20724 align_functions, align_functions_log.
20725 * toplev.c: Define them.
20726 (f_options): Handle -falign-* when they have no argument.
20727 (main): Add logic to set variables for -falign-functions,
20728 -falign-jumps, -falign-labels, -falign-loops.
20729 Make it -fsched-verbose=<n> and -finline-limit=<n>.
20730 (display_help): Change help to match options.
20731 * final.c (LABEL_ALIGN): Default to align_labels_log.
20732 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
20733 (LOOP_ALIGN): Default to align_loops_log.
20734 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
20735 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
20736 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
20737 * varasm.c (assemble_start_function): Handle align_functions.
20739 * config/sparc/sparc.h: Don't declare sparc_align_*.
20740 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
20741 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
20743 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
20745 * config/sparc/sparc.c: Delete sparc_align_loops,
20746 sparc_align_jumps, sparc_align_funcs and the corresponding string
20748 (sparc_override_options): Default align_functions on ultrasparc.
20749 Delete -malign-* handling.
20751 * config/mips/mips.c (override_options): On 64-bit targets,
20752 try to align code to 64-bit boundaries.
20753 (print_operand): New substitution, %~,
20754 which aligns labels to align_labels_log.
20755 * config/mips/mips.md (div_trap_normal): Use %~.
20756 (div_trap_mips16): Likewise.
20758 (absdi2): Likewise.
20759 (ffssi2): Likewise.
20760 (ffsdi2): Likewise.
20761 (ashldi3_internal): Likewise.
20762 (ashrdi3_internal): Likewise.
20763 (lshrdi3_internal): Likewise.
20764 (casesi_internal): Likewise.
20766 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
20768 Merge new ia32 backend from the branch!
20770 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
20771 See ChangeLog.P2 on new_ia32_branch for details.
20773 * rtl.h (stack_regs_mentioned_p): Delete prototype.
20774 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
20775 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
20776 * i386/gas.h (ASM_FILE_START): Define.
20777 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
20778 for name change of ix86_valid_decl_attribute_p.
20779 (i386_pe_valid_type_attribute_p): Similarly.
20781 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
20783 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
20784 to step through CC modes.
20786 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20788 * regmove.c (fixup_match_1): Don't move INSN in front of P if
20789 it would end up in the shadow of a live flags regsiter.
20791 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20793 * reload1.c: Fix many indentation problems.
20794 * reload.c: Likewise.
20796 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
20798 * alias.c (non_local_reference_p): Constify fmt.
20800 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
20802 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
20804 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
20806 * cse.c (delete_trivially_dead_insns): Do not delete stores to
20807 the internal_arg_pointer.
20809 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
20811 Merge peephole2 from new_ia32_branch:
20812 * Makefile.in (STAGESTUFF): Add *.peephole2.
20813 (mostlyclean): Likewise.
20814 (recog.o): Depend on resource.h.
20816 * final.c (peephole): Conditionalize decl on HAVE_peephole.
20817 (final_scan_insn): Likewise for the invocation of peephole.
20818 * genconfig.c (main): Look for peephole and peephole2 patterns.
20819 Emit HAVE_peephole* accordingly.
20820 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
20821 * flags.h (flag_peephole2): Declare.
20822 * toplev.c: New pass peephole2. New flag -fpeephole2.
20824 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
20825 * gencodes.c (main): Likewise.
20826 * genextract.c (main): Likewise.
20827 * genoutput.c (main): Likewise.
20828 * genemit.c (max_operand_1): Look for the max scratch operand.
20829 (gen_rtx_scratch): New.
20830 (gen_exp): Use it, and pass on new arg subroutine_type.
20831 (gen_expand): Take max scratch into account.
20832 (gen_split): Emit peephole2 functions.
20833 (output_peephole2_scratch): New.
20834 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
20835 * genrecog.c (routine_type): Add PEEPHOLE2.
20837 (make_insn_sequence): Match outer parallel for peep2. Discard
20838 top level scratches and dups.
20839 (add_to_sequence): New args insn_type and top. Update all callers.
20840 Handle toplevel peep2 matching insns.
20841 (write_subroutine): Handle peep2.
20842 (write_tree_1): Likewise.
20843 (write_tree): Likewise.
20845 (change_state): New arg afterward. Update all callers.
20846 Handle matching separate insns.
20847 * recog.c (recog_next_insn): New.
20848 (peephole2_optimize): New.
20849 * rtl.def (DEFINE_PEEPHOLE2): New.
20850 * resource.c (find_free_register): New argument last_insn. Use it
20851 to find a register available through the entire span.
20852 * resource.h (find_free_register): Update prototype.
20854 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
20856 * i386.c (output_strlen_unroll): Don't write xops[7]
20857 label if it wasn't set.
20859 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
20861 * cpplib.c (struct directive): Const-ify name pointer and
20862 function pointer prototype.
20863 (validate_else, do_define, do_line, do_include, do_undef,
20864 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
20865 do_elif, do_endif, do_sccs, do_assert, do_unassert,
20866 do_warning): Const-ify second arg.
20867 (directive_table): Mark const. Reorder entries by frequency
20868 of usage, record statistics.
20870 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
20872 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
20873 bounds- check RTL accesses if --enable-checking.
20874 (RTVEC_ELT): Bounds check if --enable-checking.
20875 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
20876 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
20877 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
20879 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
20880 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
20882 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
20883 (NOTE_SOURCE_FILE): Use X0STR.
20884 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
20885 MEM_ALIAS_SET): Use X0INT.
20886 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
20887 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
20889 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
20890 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
20891 (rtl_check_failed_bounds, rtl_check_failed_type1,
20892 rtl_check_failed_type2, rtvec_check_failed_bounds): New
20894 (fancy_abort): Fix comment.
20896 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
20897 (cse_insn): Decrement LABEL_NUSES for jump target before
20898 deleting jump insn.
20899 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
20900 * final.c (alter_subreg): Compute regno before changing x to
20901 REG; set REGNO(x) after changing it.
20902 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
20903 notes containing CONST_INTs.
20904 (delete_eh_regions): Use NOTE_EH_HANDLER.
20905 * function.c (put_reg_into_stack): Make reg a MEM before
20907 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
20909 (gen_mem_addressof): Make reg a MEM before initializing it.
20910 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
20912 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
20913 deleting an insn, not after.
20914 (block_alloc): Only look at PATTERN(insn) if we have to, and
20915 only if it's format class 'i'.
20916 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
20917 CONST_INT before using its INTVAL.
20918 * print-rtl.c (print_rtx): Use X0STR.
20919 * regmove.c (fixup_match_1): Don't look at PATTERN of
20920 non-class-'i' insn chain elements.
20921 * reload.c (loc_mentioned_in_p): Take address of
20922 in->fld[1].rtx directly.
20923 * reload1.c (reload): Change reg to a MEM before initializing
20925 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
20927 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
20929 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
20931 * config/mips/mips.c (machine_dependent_reorg): Force a
20932 barrier to output the local constant pool if a barrier hasn't
20933 been found at a natural point in the instruction stream.
20935 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20937 * c-parse.in (language_string): Constify.
20939 * dwarf2out.c (language_string): Remove declaration.
20941 * dwarfout.c (language_string): Likewise.
20943 * toplev.c (language_string, init_parse, finish_parse): Likewise.
20945 * tree.h (language_string, init_parse, finish_parse): Declare.
20947 * i386/sun386.h (language_string): Remove declaration.
20949 * mips.h (language_string): Likewise.
20951 * nextstep.h (language_string): Likewise.
20953 * nextstep21.h (language_string): Likewise.
20955 * rs6000.c (language_string): Likewise.
20957 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20959 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
20960 (getpwd.o): Remove target.
20962 * getpwd.c: Delete file. Its in libiberty now.
20964 * dbxout.c (getpwd): Don't prototype.
20965 * dwarf2out.c (getpwd): Likewise
20966 * dwarfout.c (getpwd): Likewise
20967 * final.c (getpwd): Likewise.
20968 * protoize.c (getpwd): Likewise.
20970 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20972 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
20974 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
20976 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
20977 mark_set_resources.
20979 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
20981 * fixinc/Makefile.in (subdir): New.
20982 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
20985 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
20987 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
20988 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
20991 * invoke.texi: Fix typo.
20993 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
20994 changed. Handle autoincrement addressing modes.
20996 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
20997 just like we would the virtual incoming args register when
21000 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21002 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21003 path, in .file directive.
21005 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21007 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21010 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21012 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21015 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21017 * tree.c (tree_code_name): Constify a char*.
21019 * tree.h (tree_code_name, decl_printable_name): Likewise.
21021 * function.h (struct function): Likewise.
21023 * toplev.c (decl_name, decl_printable_name): Likewise.
21025 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21027 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21028 (init_objc): Remove function pointer cast.
21030 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21032 * pa.md (interspace_jump): New pattern.
21033 (builtin_longjmp): New expander.
21035 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21037 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21038 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21039 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21041 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21043 * jump.c (delete_prior_computation): Also check calls
21044 to constant functions. Don't bother checking for a
21045 REG_UNUSED note before adding it.
21046 (delete_computation): Handle multi-word hard registers
21047 when synthesizing missing REG_DEAD notes for a register
21048 which is both set and used by an insn.
21050 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21052 * loop.c (this_loop_info): New variable.
21053 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21054 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21056 (prescan_loop, strength_reduce): New argument loop_info. All callers
21058 (scan_loop): New variable loop_info, initialise to address of
21060 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21061 Delete variable loop_has_multiple_exit targets and replace with
21062 field in this_loop_info.
21063 (find_and_verify_loops): Rename this_loop to this_loop_num.
21064 (strength_reduce): Delete loop_iteration_info. Replace variable
21065 loop_info with function argument of same name.
21066 (insert_bct): Rework test for loop being completely unrolled.
21068 * loop.h (struct loop_info): New fields num, loops_enclosed,
21069 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21070 has_indirect_jump, and cont. Redefine use of unroll_number.
21071 (loop_unroll_number): Delete.
21073 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21074 field of loop_info.
21075 (loop_iterations): Delete variable vtop and instead use
21076 loop_info->vtop computed in prescan_loop.
21078 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21080 * fix-header.c (main): Do not pass a null pointer to strcmp.
21082 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21084 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21086 * configure: Rebuilt.
21088 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21090 * jump.c (jump_optimize_1): Do not delete assignments to
21091 internal_arg_pointer.
21092 * cse.c (delete_trivially_dead_insns): Always consider a set of
21093 the internal_arg_pointer live.
21095 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21097 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21098 (update_life_info) [REG_WAS_0]: Search the original insns rather
21099 than the new insns for the note. Fix typos finding note_dest.
21100 If no dest found, discard the note rather than abort.
21101 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21102 (replace_insns): Remove the old insn list after update_life_info
21105 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21107 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21108 sched_analyze_insn.
21109 (sched_analyze_1): Let add_dependence care for not adding dups.
21110 (sched_analyze_2): Likewise.
21111 (add_branch_dependences): Likewise.
21113 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21115 * i386/winnt.c (export_list): New type.
21116 (exports_head): Rename to
21117 (export_head): this.
21118 (i386_pe_record_exported_symbol): Add is_data flag.
21119 (i386_pe_asm_file_end): Emit directive for exported variables.
21120 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21122 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21123 (ASM_DECLARE_OBJECT_NAME): Likewise.
21124 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21125 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21127 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21129 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21131 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21134 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21136 * config/openbsd.h: Define SET_ASM_OP.
21137 * tm.texi: cross-reference SET_ASM_OP in the index.
21139 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21141 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21142 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21143 and class_narrowest_mode at compile time. Kill init_rtl.
21144 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21145 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21146 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21148 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21150 * rtl.h: Declare rtx_length and rtx_format as const.
21151 * machmode.def: Define CC(). Use CC() to define CCmode. If
21152 EXTRA_CC_MODES is defined, expand it here.
21153 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21154 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21155 const. Kill all references to EXTRA_CC_MODES.
21157 * toplev.c: Don't prototype or call init_rtl.
21158 * optabs.c: Don't call init_mov_optab.
21159 * genemit.c: Don't generate init_mov_optab. Don't call
21161 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21163 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21164 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21165 genrecog.c: Don't call init_rtl.
21167 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21168 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21169 definition of EXTRA_CC_MODES.
21171 * md.texi: Kill ref to EXTRA_CC_NAMES.
21172 * tm.texi: Document new way to define EXTRA_CC_MODES.
21174 * genrecog.c: Do not look up the name of a define_split.
21175 (Unrelated bugfix.)
21177 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21179 * config/v850/v850.md: Fix typo introduced by previous delta.
21181 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21183 * gcc.c (fatal): Make definition static to match prototype.
21185 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21187 * combine.c (get_last_value): Don't look for earlier sets if the last
21188 known set is somewhere in between the insns being combined.
21190 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21192 * configure.in: Don't use shell ! to negate exit codes
21193 * configure: Regenerate
21195 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21197 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21198 the fact that ALIGN is measured in bits, not bytes.
21200 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21202 * errors.c: New file; defines functions error, warning, and
21203 fatal, variables have_error and progname.
21204 * errors.h: New file; prototypes and decls for stuff in errors.c.
21206 * Makefile: Add rules to build errors.o and
21207 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21208 genopinit, genrecog, genextract, genpeep, genattr, and
21209 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21210 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21211 genpeep.o, genattr.o, and genoutput.o.
21213 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21214 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21215 define or prototype fatal. Set progname at beginning of main.
21216 * genoutput.c: Likewise, and don't define or prototype error
21219 * c-typeck.c (c_expand_start_case): Return immediately if exp
21221 * fold-const.c (operand_equal_p): Return immediately if arg1
21222 or arg0 are ERROR_MARKs.
21223 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21224 fields of type ERROR_MARK when calculating if the record can
21227 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21228 with much help from Jeffrey A Law and Richard Henderson
21230 * i386.md: In the 6 insns which call output_fix_trunc,
21231 earlyclobber operands[0].
21233 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21235 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21236 creating new registers.
21238 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21240 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21241 i386_reg_alloc_order, i386_regparm_string,
21242 i386_align_loops_string, i386_align_jumps_string,
21243 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21244 and i386_branch_cost_string as type "const char *".
21245 * i386.c: Define all above strings as type "const char *".
21247 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21249 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21250 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21252 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21254 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21255 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21257 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21259 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21260 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21261 (dwarf2out_line, dwarf2out_finish): Likewise.
21262 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21264 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21266 * tree.c (lang_unsave_expr_now) : Correct return type.
21267 * tree.h (lang_unsave_expr_now) : Same.
21269 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21271 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21272 instead of duplicating code.
21274 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21276 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21278 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21280 * tree.h: fancy_abort always takes three args.
21281 * resource.c: Move include of system.h before toplev.h.
21283 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21285 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21288 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21290 * system.h: Don't redefine abort or trim_filename.
21291 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21292 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21293 whether or not __FUNCTION__ is available.
21294 * tree.h: Duplicate rtl.h's definition of abort, for files
21295 that don't include rtl.h. Delete all code to perform type
21296 checking with a compiler other than GCC.
21297 * varray.h: Delete all code to perform type checking with a
21298 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21299 its arguments exactly once, using a statement expression.
21300 Adjust the VARRAY_<type> accessor macros to match.
21301 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21302 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21303 caller's location. Define fatal_insn and fatal_insn_not_found
21304 as macros that use _fatal_insn and _fatal_insn_not_found.
21305 (fancy_abort, trim_filename): Kill prototypes.
21307 * rtl.c (trim_filename): Move here from toplev.c.
21308 (fancy_abort): New function.
21309 (DIR_SEPARATOR): Provide default definition.
21310 * tree.c (tree_check_failed, tree_class_check_failed): Go
21311 through fancy_abort.
21312 (tree_check, tree_class_check, cst_or_constructor_check,
21313 expr_check): Delete.
21314 * varray.c (varray_check_failed): New function.
21315 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21316 _fatal_insn and _fatal_insn_not_found. Go through
21318 (trim_filename, fancy_abort): Delete.
21320 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21321 * except.c (start_catch_handler): Report ICE with error/abort
21323 * final.c (output_operand_lossage): Likewise.
21324 * flow.c (verify_flow_info): Likewise.
21326 * gcc.c: Prototype fatal.
21327 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21328 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21329 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21330 Don't define fancy_abort.
21332 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21334 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21337 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21339 * m88k.h (VERSION_INFO2): Kill.
21340 (VERSION_STRING): Kill.
21342 (VERSION_INFO1): Tidy.
21343 (TARGET_VERSION): Update.
21344 * m88k/dgux.h (VERSION_INFO2): Kill.
21345 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21346 * m88k/luna.h (VERSION_INFO1): Tidy.
21347 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21348 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21349 (output_file_start): Adjust for death of VERSION_STRING.
21351 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21353 * cpplib.c (detect_if_not_defined): New function.
21354 (do_if): Use it to detect potential once-only headers.
21356 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21358 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21360 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21362 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21363 anywere in the function only if they are pseudos and set before
21364 being used (not live at the start of the function).
21365 (num_sign_bit_copies) : Same.
21366 (get_last_value_validate) : Same.
21367 (get_last_value) : Same.
21369 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21371 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21372 where N and M are constant and N is an integer multiple of M.
21374 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21376 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21377 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21378 sbitmap_union_of_preds): Add prototypes.
21379 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21380 the intersection of successors with the new flow graph structures.
21381 (sbitmap_intersection_of_preds): New function to compute the
21382 intersection of predecessors with the new flow graph structures.
21383 (sbitmap_union_of_succs): New function to compute the union of
21384 successors with the new flow graph structures.
21385 (sbitmap_union_of_preds): New function to compute the union of
21386 predecessors with the new flow graph structures.
21387 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21388 (expr_reaches_here_p): Use edge and basic_block structures instead
21389 of s_preds and s_succs.
21390 (compute_cprop_avinout): Use new sbitmap routines.
21391 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21392 of s_preds and s_succs.
21393 * flow.c (compute_flow_dominators): Compute dominators using
21394 edges and basic blocks instead of s_preds and s_succs.
21396 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21398 * lists.c (unused_insn_list, unused_expr_list): New file for
21399 maintaining various types of lists. New statics for maintaining a
21400 cache of available INSN_LIST and EXPR_LIST nodes.
21401 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21402 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21403 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21404 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21405 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
21406 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
21407 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
21408 (free_INSN_LIST_node): Free an individual INSN_LIST node.
21409 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
21410 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
21411 (remove_dependence, free_pending_lists): Use new global routines.
21412 (flush_pending_lists, sched_analyze_insn): Use new global routines.
21413 (sched_analyze, compute_block_backward_dependences): Use new routines.
21414 (sched_analyze_1, sched_analyze_2): Use new routines.
21415 (schedule_insns): Use new global routines.
21416 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
21418 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
21419 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
21421 * toplev.c (rest_of_compilation): Initialize node cache.
21422 * Makefile.in (OBJS): Add lists.o to list of object files.
21423 (lists.o): Add dependancies.
21425 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
21427 * config/v850/v850.md: Fix compile time warning messages.
21428 * config/v850/v850.c: Fix compile time warning messages.
21429 * config/v850/v850.h: Fix compile time warning messages.
21431 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21433 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
21434 Remove unused prototype for `init_lengths'.
21436 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21438 * calls.c (emit_call_1): Mark parameter `stack_size' with
21440 (expand_call): Initialize variable `insn'.
21441 (emit_library_call): Likewise for variable `high_to_save'.
21442 (emit_library_call_value): Likewise.
21443 (store_one_arg): Likewise for variables `lower_bound' and
21446 * combine.c (try_combine): Likewise for variables `i2_code_number'
21447 and `other_code_number'.
21448 (find_split_point): Likewise for variables `pos', `unsignedp' and
21450 (simplify_if_then_else): Likewise for variables `op' and `c1'.
21451 (simplify_and_const_int): Remove unused variable `width'.
21452 (merge_outer_ops): Likewise.
21454 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
21455 HOST_WIDE_INT' when comparing against one.
21456 (simplify_relational_operation): Likewise.
21457 (cse_insn): Initialize variables `src_eqv_volatile',
21458 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
21460 * final.c (init_final): Constify parameter `filename'.
21461 (final_start_function): Mark parameter `optimize' with
21463 (profile_function): Likewise for parameters `first' and `optimize'.
21464 (output_source_line): Likewise for parameter `file'.
21466 * integrate.c (subst_constants): Cast a value to `size_t' when
21467 comparing against one.
21468 (mark_stores): Initialize variable `mode'. Cast a value to
21469 `size_t' when comparing against one.
21471 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
21473 * loop.c (move_movables): Initialize variable `first'.
21474 (strength_reduce): Likewise for variable `increment'.
21475 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
21476 value to `size_t' when comparing against one.
21477 (load_mems): Initialize variable `end_label'.
21479 * output.h (init_final): Constify parameter.
21481 * reload.c (decompose): Initialize variable `base'.
21483 * reload1.c (reload): Likewise for variable `is_scalar'.
21484 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
21485 (choose_reload_regs): Initialize variable `mode'.
21486 (emit_reload_insns): Likewise for variable `store_insn'.
21487 (reload_cse_noop_set_p): Mark parameter `insn' with
21489 (reload_combine): Initialize variable `set'.
21491 * unroll.c (unroll_loop): Likewise for variable `local_label'.
21492 (copy_loop_body): Cast a value to `size_t' when comparing against
21495 * varasm.c (assemble_variable): Initialize variable `size_tree'.
21496 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
21497 (remove_from_pending_weak_list): Mark parameter `name' with
21500 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21502 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
21505 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
21507 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
21508 (ASM_DECLARE_FUNCTION_NAME): Define.
21509 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
21510 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
21511 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
21512 not already defined.
21514 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21516 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
21517 of n_popped when call/call_value are not defined.
21519 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
21521 * tm.texi: GNU CC -> GCC conversion.
21522 (CC1_SPEC): Indicate it is used for all language front ends.
21524 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
21526 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
21527 NOTE_INSN_EH_REGION_END correctly.
21529 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21530 Jeff Law <law@cygnus.com>
21532 * loop.c (strength_reduce): Automatically unroll loops if the
21533 unrolled loop size is smaller than the rolled loop size.
21535 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
21536 and delete comment that code should be rewritten.
21538 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
21540 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
21543 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
21545 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
21547 * fixinc/mkfixinc.sh: Don't fix uwin headers.
21548 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
21549 (LINK_SPEC): Add -u _main when building executables.
21550 (ASM_DECLARE_FUNCTION): Update from Cygwin.
21551 (ASM_FILE_END): Use the default for ix86-pe.
21552 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
21554 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
21556 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
21557 and ASM_CLOSE_PAREN are empty strings.
21559 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
21560 Geoffrey Keating <geoffk@cygnus.com>
21562 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
21563 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
21564 (unprotoize.o): Ditto.
21565 (test-protoize-simple): Don't define STD_PROTO_DIR.
21566 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
21567 changes to make 'test-protoize-simple' pass.
21568 (STD_PROTO_DIR): Remove define.
21569 (STANDARD_EXEC_PREFIX): Supply default define.
21570 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
21571 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
21572 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
21573 (GET_ENV_PATH_LIST): New macro.
21574 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
21575 (do_processing): Initialize default_syscalls_dir using new
21576 macros. Use it to initialize syscalls_absolute_filename.
21578 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
21580 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
21581 B into a register before emit_conditional_move.
21583 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
21585 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
21586 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
21587 multiplicand out of (+ (* a b) (* c d)).
21589 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
21590 Richard Henderson <rth@cygnus.com>
21592 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
21593 (new_insn_dead_notes): Likewise.
21594 (update_n_sets): Likewise.
21595 (update_flow_info): Move to flow.c, renamed to update_life_info;
21596 extend to handle multiple source insns.
21597 * flow.c: Include resource.h
21598 (unlink_insn_chain): New.
21599 (split_hard_reg_notes): New.
21600 (maybe_add_dead_note): New.
21601 (maybe_add_dead_note_use): New.
21602 (find_insn_with_note): New.
21603 (new_insn_dead_notes): New.
21604 (update_n_sets): New.
21605 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
21606 (maybe_remove_dead_notes): New.
21607 (update_life_info): New.
21608 (prepend_reg_notes): New.
21609 (replace_insns): New.
21610 * output.h (update_life_info): Declare.
21611 * recog.c (split_block_insns): Use update_life_info.
21612 * resource.c (find_free_register): Use reg_alloc_order, don't use
21613 fixed regs, make sure the mode is supported, don't use new regs.
21615 * rtl.h (replace_insns): Declare.
21617 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
21619 * expr.c (expand_expr): Cope with COND_EXPRs with one
21620 non-returning branch.
21622 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
21624 * expr.c (store_expr): Always pass down the target, even when not
21627 1999-08-24 Nick Clifton <nickc@cygnus.com>
21629 * configure.in: Define target_cpu_default for v850 targets.
21630 * configure: Regenerate
21632 * config/v850/v850.h (TARGET_CPU_generic): Define.
21633 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
21634 addresses are 4 byte aligned.
21636 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
21639 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21641 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
21642 (main): Add prototypes.
21644 * genattrtab.c (substitute_address, write_const_num_delay_slots,
21645 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
21646 (write_attr_get): Emit prototypes along with function definition.
21647 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
21648 (write_complex_function): Emit static prototype along with
21649 function definition.
21651 * genemit.c (gen_split): Emit prototypes along with function
21654 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
21655 Likewise for predicates and `insn_operand_predicate'.
21656 (process_template): Emit static prototype along with function
21659 * genrecog.c (make_insn_sequence): Constify a char*. Add
21660 prototypes for get_split_*().
21661 (write_subroutine): Emit prototypes along with function
21664 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21666 * gcse.c (find_avail_set): Follow chains of register-register copies.
21667 Use oprs_not_set_p to guarantee that the returned value can be
21669 (cprop_insn): Don't verify the return value of find_avail_set with
21672 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
21673 (cprop_cc0_jump): New function.
21674 (cprop_insn): Break out new function cprop_jump and use it.
21675 Also use cprop_cc0_jump for machines with CC0.
21676 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
21678 * tree.h (current_function_calls_setjmp,
21679 current_function_calls_longjmp): Delete declarations.
21680 * dsp16xx.c: Include "function.h".
21681 * elxsi.c: Likewise.
21682 * gmicro.c: Likewise.
21683 * h8300.c: Likewise.
21684 * i370.c: Likewise.
21685 * m32r.c: Likewise.
21686 * mn10200.c: Likewise.
21687 * mn10300.c: Likewise.
21688 * ns32k.c: Likewise.
21689 * spur.c: Likewise.
21690 * v850.c: Likewise.
21692 * rtl.h (rtx_equal_function_value_matters): Declare.
21693 * toplev.c (rtx_equal_function_value_matters): Don't declare.
21695 * function.c: Likewise.
21696 * emit-rtl.c: Likewise.
21698 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
21700 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
21703 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21705 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
21708 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
21710 * cpp.texi: Add a node documenting macro varargs (copied
21713 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
21715 * cppspec.c: Put a null pointer at the end of the new argv.
21717 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
21719 * configure.in: Remove code to select/de-select the haifa
21720 scheduler. Every scheduled port gets haifa now.
21721 * configure: Rebuilt.
21722 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
21724 * Makefile.in: Corresponding changes.
21726 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21728 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
21729 All callers changed.
21730 (prepare_float_lib_cmp): Likewise.
21731 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
21732 * expr.h (emit_float_lib_cmp): Delete declaration.
21733 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
21734 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
21735 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
21737 (cmptf): Now conditional on TARGET_HARD_QUAD.
21739 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
21741 * resource.c (mark_target_live_regs): Use
21742 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
21744 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21746 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
21748 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
21750 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
21752 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21754 * rtl.h (rtx_format): Constify a char*.
21756 * rtl.c (rtx_format): Likewise.
21757 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
21758 (init_rtl): Use accessor macro, not `rtx_format'.
21760 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
21763 * caller-save.c (mark_referenced_regs): Likewise.
21765 * combine.c (subst, make_compound_operation, known_cond,
21766 gen_rtx_combine, update_table_tick, get_last_value_validate,
21767 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
21769 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
21770 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
21771 count_reg_usage): Likewise.
21773 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
21776 * final.c (leaf_renumber_regs_insn): Likewise.
21778 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
21779 dump_edge_info, count_reg_references): Likewise.
21781 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
21782 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
21785 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
21786 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
21787 add_label_notes): Likewise.
21789 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
21790 clear_struct_flag, count_sub_rtxs, count_alternatives,
21791 compares_alternatives_p, contained_in_p, walk_attr_value,
21792 write_expr_attr_cache): Likewise.
21794 * genconfig.c (walk_insn_part): Likewise.
21796 * genemit.c (max_operand_1, gen_exp): Likewise.
21798 * genextract.c (walk_rtx): Likewise.
21800 * genflags.c (num_operands): Likewise.
21802 * genoutput.c (scan_operands): Likewise.
21804 * genpeep.c (match_rtx): Likewise.
21806 * genrecog.c (add_to_sequence): Likewise.
21808 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
21811 * integrate.c (save_constants, copy_for_inline,
21812 copy_rtx_and_substitute, subst_constants, restore_constants):
21815 * jump.c (mark_jump_label, invert_exp, redirect_exp,
21816 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
21818 * local-alloc.c (contains_replace_regs, memref_referenced_p):
21821 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
21822 add_label_notes, replace_call_address, count_nonfixed_reads,
21823 invariant_p, find_single_use_in_loop, find_mem_givs,
21824 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
21827 * print-rtl.c (reg_names, print_rtx): Likewise.
21829 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
21831 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
21832 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
21833 print_blocks): Likewise.
21835 * regclass.c (fix_register, record_address_regs,
21836 reg_scan_mark_refs): Likewise.
21838 * regmove.c (stable_but_for_p): Likewise.
21840 * reload.c (loc_mentioned_in_p, operands_match_p,
21841 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
21842 copy_replacements, refers_to_regno_for_reload_p,
21843 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
21844 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
21847 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
21848 delete_address_reloads_1, count_occurrences,
21849 reload_cse_mem_conflict_p, reload_combine_note_use,
21850 add_auto_inc_notes): Likewise.
21852 * resource.c (mark_referenced_resources, mark_set_resources):
21855 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
21856 reg_mentioned_p, regs_set_between_p, modified_between_p,
21857 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
21858 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
21859 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
21860 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
21862 * sched.c (sched_analyze_2, attach_deaths): Likewise.
21864 * stupid.c (stupid_mark_refs): Likewise.
21866 * unroll.c (remap_split_bivs): Likewise.
21868 * varasm.c (mark_constants): Likewise.
21870 * a29k/a29k.c (uses_local_reg_p): Likewise.
21872 * alpha/alpha.c (summarize_insn): Likewise.
21874 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
21875 eliminate_lr2ip): Likewise.
21877 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
21879 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
21880 reg_mentioned_in_mem): Likewise.
21882 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
21883 symbolic_reference_mentioned_p): Likewise.
21885 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
21887 * sh/sh.c (regs_used, mark_use): Likewise.
21889 * vax/vax.c (vax_rtx_cost): Likewise.
21891 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21893 * machmode.h (mode_name): Constify a char*.
21895 * rtl.c (mode_name): Likewise.
21897 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
21899 * optabs.c (init_libfuncs): Constify a char*.
21901 * print-tree.c (mode_name): Remove redundant declaration.
21902 (print_node): Use accessor macro, not `mode_name'.
21904 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
21906 (new_spill_reg): Constify a char*.
21908 * tree.c (mode_name): Remove redundant declaration.
21910 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21912 * rtl.c (rtx_name): Constify a char*.
21914 * rtl.h (rtx_name, fix_sched_param): Likewise.
21916 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
21917 (mypr): Use accessor macro, not `rtx_name'.
21919 * genemit.c (print_code): Constify a char*.
21921 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
21923 * genpeep.c (print_code): Constify a char*.
21925 * genrecog.c (print_code): Likewise.
21927 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
21928 end_bb): Add static prototype.
21929 (draw_edge): Constify a char*.
21930 (end_bb): Remove unused parameter.
21932 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
21933 print_block_visualization): Constify a char*.
21935 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
21937 * c-common.c (c_get_alias_set): Update comment.
21939 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
21941 * linux.h (LIB_SPEC): Added.
21943 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21945 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
21947 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
21949 * tree.c (expr_check): Fix typo in last change.
21951 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
21953 * rtl.def (NOTE): Change format to "iuu0n".
21954 (ADDR_DIFF_VEC): Change format to "eEee0".
21955 (ADDRESSOF): Change format to "eit".
21957 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
21958 (RTVEC_ELT): Change to match.
21959 (XVECEXP): Use XVEC and RTVEC_ELT.
21960 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
21961 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
21962 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
21963 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
21964 TRAP_CONDITION, TRAP_CODE): Use XEXP.
21965 (INTVAL): Use XWINT.
21966 (ADDRESSOF_DECL): Use XTREE.
21967 (SET_ADDRESSOF_DECL): Delete.
21968 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
21969 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
21970 ifdefed out since 2.6 at least.
21971 (gen_rtvec_vv): Delete prototype.
21973 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
21975 (copy_most_rtx): Handle 't' format letter.
21976 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
21977 (gen_rtvec_vv): Delete function. All callers changed to use
21978 gen_rtvec_v instead.
21979 * print-rtl.c (print_rtx): Move special casing of NOTEs to
21980 the '0' format letter.
21982 * function.c (gen_mem_addressof): Don't use
21983 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
21985 * integrate.c (copy_rtx_and_substitute): Likewise.
21986 Copy 't' slots with XTREE.
21987 (subst_constants): Treat 't' slots like '[swi]' slots.
21988 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
21989 * jump.c (rtx_equal_for_thread_p): Likewise.
21990 * rtlanal.c (rtx_equal_p): Likewise.
21991 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
21992 only four arguments.
21993 * gengenrtl.c (type_from_format): Provide correct types for
21997 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
21998 If a recent gcc is in use (always in stage2 and beyond), use
21999 statement expressions, so we don't make a function call unless
22000 the check fails. Evaluate arguments exactly once.
22001 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22002 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22004 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22005 they evaluate their arguments exactly once, irrespective of
22006 the compiler in use.
22008 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22009 is used by the currently-enabled check macros. This is:
22010 (tree_check_failed, tree_class_check_failed): For gcc.
22011 (tree_check, tree_class_check, cst_or_constructor_check,
22012 expr_check): For other compilers.
22014 * gencheck.c: Do not define any *_CHECK1 macros.
22016 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22017 Mark Mitchell <mark@codesourcery.com>
22019 * c-common.c (c_get_alias_set): Fix support for poitners and
22022 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22024 * alias.c: Include tree.h.
22025 (nonlocal_reference_p, mark_constant_function): New functions.
22026 * flow.c (life_analysis): Call mark_constant_function.
22027 * rtl.h (mark_constant_function): Declare it.
22029 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22031 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22032 unrecognisable switches.
22034 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22036 * loop.c (recombine_givs): Set ix field after sorting.
22037 (recombine_givs): Remove bogus index / giv lockstep looping.
22039 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22041 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22043 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22044 (do_cmp_and_jump): Formatting fixes.
22045 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22046 do_compare_rtx_and_jump instead of compare_from_rtx.
22047 (do_compare_rtx_and_jump): New function; mostly copied from
22049 (do_jump_for_compare): Delete.
22050 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22052 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22053 of compare/do_jump_for_compare pairs.
22054 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22055 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22056 compare_from_rtx/do_jump_for_compare pairs.
22057 (do_jump_by_parts_equality): Likewise.
22058 (do_jump_by_parts_equality_rtx): Likewise.
22059 * expr.h (do_compare_rtx_and_jump): Declare.
22060 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22061 that used to be in emit_cmp_insn.
22062 (cmp_available_p): New function.
22063 (prepare_operand): New function.
22064 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22065 to be in emit_cmp_insn.
22066 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22067 parameters to be pointers; don't emit final compare but modify some of
22068 the values pointed to by the args so the caller can perform the
22069 correct comparison.
22070 (expand_binop): Call emit_store_flag_force with signed forms of
22072 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22073 emit_jump_insn pair.
22074 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22075 emit_cmp_and_jump_insn_1. Call emit_queue.
22076 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22078 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22079 jump sets cc0 before deleting it.
22080 * integrate.c (expand_inline_function): Likewise.
22081 * unroll.c (unroll_loop): Similar changes in several places.
22082 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22083 before deleting it.
22085 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22087 * Makefile.in (insn-recog.o): Update dependencies.
22088 * genrecog.c (main): Make generated file include "function.h".
22090 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22092 * cse.c (cse_insn): Call never_reached_warning when a jump is
22093 changed to be unconditional.
22094 * flags.h: Declare warn_notreached.
22095 * flow.c (delete_block): Call never_reached_warning when
22096 a block is deleted.
22097 * jump.c (delete_barrier_successors): Call never_reached_warning
22098 when we delete everything after a BARRIER.
22099 (never_reached_warning): New function.
22100 * rtl.h: Declare never_reached_warning.
22101 * toplev.c (warn_notreached): New variable.
22102 (lang_independent_options): Set warn_notreached
22103 when -Wunreachable-code.
22104 (compile_file): We need line numbers for -Wunreachable-code.
22106 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22108 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22109 * sched.c (insn_unit): Likewise.
22111 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22113 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22115 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22117 * flow.c (create_edge_list): Use xmalloc, not malloc.
22119 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22121 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22122 C-style comments. Do not lose the character before double slash.
22124 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22126 * basic-block.h (struct edge_list): Stucture to maintain a vector
22128 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22129 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22130 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22131 New function prototypes.
22132 * flow.c (create_edge_list): Function to create an edge list.
22133 (free_edge_list): Discards memory used by an edge list.
22134 (print_edge_list): Debug output showing an edge list.
22135 (verify_edge_list): Internal consistency check for an edge list.
22136 (find_edge_index): Function to find an edge index for a pred and succ.
22138 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22140 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22143 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22145 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22147 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22149 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22151 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22153 * toplev.c (rest_of_compilation): Allow machine dependent
22154 reorganisation pass to place information into the RTL dump
22155 file if it so wishes.
22157 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22159 * explow.c (hard_function_value): Use VOIDmode instead of
22161 * stmt.c (expand_return): Likewise.
22162 * stor-layout.c (get_best_mode): Likewise.
22164 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22165 emit call instead of emit_insn call.
22167 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22169 * configure.in: Handle --disable/enable-win32-registry.
22170 * install.texi: Document --disable/enable-win32-registry.
22171 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22172 (WIN32_REGISTRY_KEY): New macro.
22173 * prefix.c: Use to enable/disable win32-specific code.
22174 (lookup_key): Use versioned key.
22175 * configure: Regenerate.
22176 * config.in: Likewise.
22178 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22180 * cpplib.c (read_line_number): New fn, split out of...
22183 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22185 tree.c (lang_unsave_expr_now) : New.
22186 (unsave_expr_now): Call lang_unsave_expr_now.
22187 tree.h (lang_unsave_expr_now) : New.
22189 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22191 * toplev.c (flag_new_exceptions): On by default.
22193 1999-08-13 Michael Meissner <meissner@cygnus.com>
22195 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22197 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22199 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22200 INTEGER_TYPE with precision==1, it's __java_boolean.
22202 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22204 * global.c (prune_preferences): Move some invariants out of the
22207 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22209 * configure.in (alpha*-dec-osf*): Add osf5.
22211 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22213 * configure.in: Rework handling of ARM GNU/Linux slightly.
22214 (arm*-*-linux-gnuoldld): New target.
22215 * configure: Regenerate.
22216 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22217 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22218 * config/arm/linux-oldld.h: New file.
22219 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22220 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22222 * config/arm/linux-elf.h (ASM_SPEC): Define.
22223 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22224 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22225 for 26-bit APCS and old linker.
22226 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22228 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22229 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22230 don't define `arm' or `arm_elf'.
22231 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22232 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22234 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22236 * rtl.texi: Fix typo.
22238 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22240 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22242 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22244 * extend.texi (C++ Signatures): Remove node.
22245 * invoke.texi: Remove discussion of -fhandle-signatures,
22246 signature, sigof, __signature__, and __sigof__.
22248 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22250 * Makefile.in (JAVAGC): Removed.
22252 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22254 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22256 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22258 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22260 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22262 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22263 a register that is already known to be a pointer.
22265 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22267 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22268 * fixinc/inclhack.sh: Regenerated.
22269 * fixinc/fixincl.sh: Regenerated.
22271 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22273 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22274 Fix documentation of -ansi flag to describe its C++ behavior.
22275 Remove bogus reference to GCC 2.9.
22277 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22279 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22280 note if it is non-NULL.
22282 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22284 * except.h (eh_nesting_info): Add new structure defintion.
22285 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22286 (reachable_handlers, update_rethrow_references): Add function
22288 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22289 a rethrow symbol instead of an integer exception region number.
22290 * flow.c (Make_edges): Use new exception nesting routines to determine
22291 which handlers are reachable from a CALL or asynchronous insn.
22292 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22294 (delete_eh_regions): Update rethrow labels, and don't delete
22295 regions which are the target of a rethrow.
22296 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22297 avoid overloading the SYMBOL_REF_USED flag.
22298 (rethrow_symbol_map): Use new rethrow_ref field.
22299 (rethrow_used): Use new rethrow_ref field.
22300 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22301 of an integer. Fix formatting.
22302 (output_exception_table_entry): Use new rethrow_ref field.
22303 (can_throw): Check for EH_REGION_NOTE before deciding
22304 whether a CALL can throw or not.
22305 (scan_region): Call rethrow_used() instead of accessing data structure.
22306 (update_rethrow_references): New function to make sure only regions
22307 which are still targets of a rethrow are flagged as such.
22308 (process_nestinfo): New static function to initialize a handler
22309 list for a specific region.
22310 (init_eh_nesting_info): New function to allocate and initialize
22311 the list of all EH handlers reachable from all regions.
22312 (reachable_handlers): New function to retrieve the list of handlers
22313 reachable from a specific region and insn.
22314 (free_eh_nesting_info): New function to dispose of a list of
22315 reachable handlers.
22317 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22319 * flow.c (split_edge): Set JUMP_LABEL field.
22320 (commit_one_edge_insertion): Set head correctly for insert_before.
22321 When inserting insns, update insn block numbers if allocated.
22323 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22325 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22326 retry_incomplete_types): Add static prototype.
22327 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22328 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22329 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22330 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22331 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22334 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22335 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22337 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22339 * output.h (assemble_name): Constify a char*.
22341 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22342 assemble_variable, assemble_name): Likewise.
22344 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22346 * arm/pe.c (arm_pe_unique_section): Likewise.
22348 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22350 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22352 * i386/interix.c (i386_pe_unique_section): Likewise.
22354 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22356 * i386/winnt.c (i386_pe_unique_section): Likewise.
22358 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22360 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22362 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22364 * pa/pa.c (output_call): Likewise.
22366 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22368 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22370 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22373 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22376 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22378 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22379 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22381 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22383 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22385 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22387 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22389 * tree.h (lang_identify): Constify a char*.
22390 (print_error_function): Add extern prototype. Constify a char*.
22392 * c-lang.c (lang_identify): Constify a char*.
22394 * objc/objc-act.c (lang_identify): Constify a char*.
22396 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22398 * genpeep.c (main): Make generated file include "function.h".
22399 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22401 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22403 * Makefile.in: Update dependencies.
22404 * alias.c: Include "function.h"
22405 * c-decl.c: Likewise.
22406 * caller-save.c: Likewise.
22407 * calls.c: Likewise.
22408 * combine.c: Likewise.
22410 * explow.c: Likewise.
22411 * final.c: Likewise.
22412 * global.c: Likewise.
22413 * graph.c: Likewise.
22414 * local-alloc.c: Likewise.
22415 * loop.c: Likewise.
22416 * optabs.c: Likewise.
22417 * profile.c: Likewise.
22418 * recog.c: Likewise.
22419 * regclass.c: Likewise.
22420 * regmove.c: Likewise.
22421 * reload.c: Likewise.
22422 * reorg.c: Likewise.
22423 * resource.c: Likewise.
22424 * sched.c: Likewise.
22425 * stupid.c: Likewise.
22426 * config/1750a/1750a.c: Likewise.
22427 * config/a29k/a29k.c: Likewise.
22428 * config/arc/arc.c: Likewise.
22429 * config/arm/arm.c: Likewise.
22430 * config/arm/thumb.c: Likewise.
22431 * config/c4x/c4x.c: Likewise.
22432 * config/clipper/clipper.c: Likewise.
22433 * config/convex/convex.c: Likewise.
22434 * config/fx80/fx80.c: Likewise.
22435 * config/i860/i860.c: Likewise.
22436 * config/m68k/m68k.c: Likewise.
22437 * config/m88k/m88k.c: Likewise.
22438 * config/mips/mips.c: Likewise.
22439 * config/pdp11/pdp11.c: Likewise.
22440 * config/pyr/pyr.c: Likewise.
22441 * config/romp/romp.c: Likewise.
22442 * config/sh/sh.c: Likewise.
22443 * config/tahoe/tahoe.c: Likewise.
22444 * config/vax/vax.c: Likewise.
22445 * config/we32k/we32k.c: Likewise.
22446 * config/sparc/sparc.c: Include "function.h".
22447 (mem_min_alignment): Test current_function rather than
22448 regno_pointer_align.
22449 * config/pa/pa.c: Likewise.
22450 (compute_frame_size): Delete declaration of
22451 current_function_outgoing_args_size.
22452 * config/arc/arc.h (current_function_varargs): Delete declaration.
22453 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
22455 * config/i370/i370.h (current_function_outgoing_args_size): Delete
22457 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
22458 current_function_uses_pic_offset_table.
22459 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
22460 of current_function_returns_pointer.
22461 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22462 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22463 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22464 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22465 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22466 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22467 * config/m88k/m88k.c: Include "function.h"
22468 (call_used_regs, current_function_pretend_args_size,
22469 current_function_outgoing_args_size, frame_pointer_needed): Delete
22471 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
22473 * config/mips/mips.h (current_function_calls_alloca): Delete
22475 * config/mn10200/mn10200.h (current_function_needs_context,
22476 rtx_equal_function_value_matters): Delete declarations.
22477 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
22478 flag_pic): Delete declarations.
22479 * config/pa/pa.h (current_function_pretend_args_size,
22480 current_function_decl): Delete declarations.
22481 * config/pa/som.h (current_function_varargs): Delete declaration.
22482 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
22484 * config/pyr/pyr.h (current_function_pretend_args_size,
22485 current_function_args_size, current_function_calls_alloca): Delete
22487 * config/sh/sh.h (current_function_varargs): Delete declaration.
22488 * config/sparc/sparc.h (current_function_outgoing_args_size,
22489 current_function_calls_alloca, current_function_decl): Delete
22491 * config/spur/spur.h (current_function_pretend_args_size,
22492 current_function_calls_alloca): Delete declarations.
22493 * config/v850/v850.c (current_function_outgoing_args_size): Delete
22495 * config/vax/vms.h (current_function_name): Delete declaration.
22496 * gcse.c: Include "function.h".
22497 (current_function_name, current_function_calls_setjmp): Delete
22499 * haifa-sched.c: Include "function.h".
22500 (forced_labels): Delete declaration.
22501 * jump.c: Likewise.
22502 * reg-stack.c: Likewise.
22503 * reload1.c: Likewise.
22504 * genemit.c (main): Make generated file include function.h.
22505 * genoutput.c (output_prologue): Likewise.
22507 * builtins.c (saveregs_value, apply_args_value): Delete variables.
22508 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
22509 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
22510 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
22511 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
22512 macros for some of them.
22513 (emit_filename, emit_lineno): Delete declarations.
22514 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
22515 regno_pointer_* variables through current_function.
22516 (gen_inline_header_rtx): Delete function.
22517 (save_emit_status): Delete function.
22518 (set_new_last_label_num): New function.
22519 (clear_emit_caches): New function.
22520 (restore_emit_status): Just clear last_labelnum and call
22522 (get_last_insn_anywhere): Variable sequence_stack is now accessed
22523 through macro seq_stack.
22524 (add_insn_after): Likewise.
22525 (add_insn_before): Likewise.
22526 (remove_insn): Likewise.
22527 (pop_topmost_sequence): Likewise.
22528 (in_sequence_p): Likewise.
22529 (start_sequence_for_rtl_expr): Likewise.
22530 (start_sequence): Likewise, and likewise for
22531 sequence_rtl_expr/seq_rtl_expr.
22532 (push_topmost_sequence): Likewise.
22533 (end_sequence): Likewise.
22534 (init_virtual_regs): Now takes a "struct emit_status *" argument.
22535 All callers changed. Store into that pointer instead of globals.
22536 (init_emit): Allocate emit elt of current_function.
22537 Changes for sequence_rtl_expr/sequence_stack renaming.
22538 Call clear_emit_caches instead of doing it in-line.
22539 Access regno_pointer_* variables through current_function.
22540 (init_emit_once) Don't clear sequence_stack.
22542 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
22544 (arg_pointer_save_area): Delete declaration.
22545 (finish_expr_for_function): Renamed from init_queue; no longer static.
22546 (init_expr): Don't call init_queue.
22547 (save_expr_status, restore_expr_status): Delete functions.
22548 (expand_expr): Changes to reflect new layout of struct function.
22549 Don't access current_function_check_memory_usage when current_function
22551 * expr.h (forced_labels, save_expr_regs, saveregs_value,
22552 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
22553 current_function_outgoing_args_size, current_function_arg_offset_rtx,
22554 current_function_uses_const_pool, function_call_count,
22555 current_function_uses_pic_offset_table, nonlocal_labels,
22556 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
22557 current_function_check_memory_usage, nonlocal_goto_handler_slots,
22558 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
22560 (finish_expr_for_function): Declare.
22561 * flags.h (current_function_has_nonlocal_label,
22562 current_function_has_nonlocal_goto, current_function_is_thunk,
22563 current_function_has_computed_jump): Delete declarations.
22564 * flow.c (forced_labels): Delete declaration.
22565 * function.c (current_function_pops_args,
22566 current_function_returns_struct, current_function_returns_pcc_struct,
22567 current_function_needs_context, current_function_calls_setjmp,
22568 current_function_calls_longjmp, current_function_has_nonlocal_label,
22569 current_function_has_nonlocal_goto, current_function_is_thunk,
22570 current_function_has_computed_jump, current_function_calls_alloca,
22571 current_function_contains_functions, current_function_returns_pointer,
22572 current_function_epilogue_delay_list, current_function_args_size,
22573 current_function_pretend_args_size, current_function_arg_offset_rtx,
22574 current_function_outgoing_args_size, current_function_varargs,
22575 current_function_stdarg, current_function_args_info, cleanup_label,
22576 current_function_name, current_function_uses_const_pool,
22577 current_function_instrument_entry_exit, current_function_return_rtx,
22578 current_function_uses_pic_offset_table, nonlocal_labels,
22579 current_function_internal_arg_pointer, current_function_cannot_inline,
22580 current_function_check_memory_usage, function_call_count,
22581 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
22582 nonlocal_goto_stack_level, return_label, save_expr_regs,
22583 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
22584 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
22585 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
22586 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
22587 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
22589 (push_function_context_to): Don't save them. Don't call
22590 save_storage_status, save_emit_status or save_expr_status.
22591 (pop_function_context_from): Don't restore them. Don't call
22592 restore_storage_status or restore_expr_status.
22593 (get_func_frame_size): New function.
22594 (get_frame_size): Use it.
22595 (assign_outer_stack_local): Reflect some member name changes in struct
22597 (put_reg_into_stack): Likewise.
22598 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
22600 (fixup_var_refs): Likewise.
22601 (fix_lexical_addr): Likewise.
22602 (trampoline_address): Likewise.
22603 (prepare_function_start): Clear field inlinable of current_function.
22604 (init_function_for_compilation): New function.
22605 (expand_dummy_function_end): New function.
22606 (expand_function_end): Call finish_expr_for_function.
22607 * function.h (struct emit_status): New; fields moved here from struct
22608 function and from global variables. Add accessor macros for some of
22610 (struct expr_status): Likewise.
22611 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
22612 (struct function): Add fields expr and emit, inlinable, inl_emit,
22613 original_arg_vector, original_decl_initial, inl_last_parm_insn,
22614 inl_max_label_num. Add many comments.
22615 Add accessor macros for all elts of struct function that no longer
22616 have a global variable.
22617 (cleanup_label, return_label, frame_offset, tail_recursion_label,
22618 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
22619 stack_slot_list): Delete declarations.
22620 (get_func_frame_size): Declare.
22621 (save_expr_status, restore_expr_status, save_emit_status,
22622 save_storage_status, restore_storage_status): Delete declarations.
22623 (init_virtual_regs): Declare.
22624 * output.h (current_function_pops_args,
22625 current_function_returns_struct, current_function_returns_pcc_struct,
22626 current_function_needs_context, current_function_calls_setjmp,
22627 current_function_calls_longjmp, current_function_calls_alloca,
22628 current_function_has_nonlocal_label, current_function_varargs,
22629 current_function_has_computed_jump, current_function_returns_pointer,
22630 current_function_contains_functions, current_function_args_size,
22631 current_function_pretend_args_size, current_function_stdarg,
22632 current_function_outgoing_args_size, current_function_args_info,
22633 current_function_name, current_function_return_rtx,
22634 current_function_epilogue_delay_list,
22635 current_function_uses_const_pool, current_function_cannot_inline):
22636 Delete declarations.
22637 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
22638 regno_reg_rtx): Delete declaration.
22639 (REGNO_POINTER_FLAG): Delete macro.
22640 * stmt.c (expand_goto): Changes to reflect that some fields in struct
22641 function were renamed.
22642 * stor-layout.c (save_storage_status, restore_storage_status): Delete
22644 * toplev.c: Include "function.h".
22645 (current_function_decl): Delete declaration.
22646 (compile_file): Call init_dummy_function_start and
22647 expand_dummy_function_end around some initializations that need to
22649 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
22650 Call init_function_for_compilation.
22651 * unroll.c: Include "function.h"
22652 (unroll_loop): Access regno_pointer_* variables through
22655 * tree.h (struct tree_decl): Add elt f to saved_insns member.
22656 (DECL_SAVED_INSNS): use it.
22657 (expand_dummy_function_end): Declare.
22658 (init_function_for_compilation): Declare.
22659 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
22660 that it's no longer an INLINE_HEADER.
22661 (expand_call): Likewise.
22662 * integrate.c (finish_inline): Delete function.
22663 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
22664 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
22665 args. Don't generate an INLINE_HEADER rtx, just return the arg
22666 vector. All callers changed.
22667 (save_for_inline_copying): Create a duplicate struct emit_status to
22668 hold the emit state for compiling the current function. Use this and
22669 the other new fields in struct function that are for integration
22670 instead of an INLINE_HEADER.
22671 Use memcpy instead of bcopy.
22672 Store the current struct function in DECL_SAVED_INSNS of fndecl.
22673 (save_for_inline_nocopy): Similar changes, except no new emit_status
22675 (expand_inline_function): Get information from function structure,
22676 not from an inline header rtx.
22677 (output_inline_function): Lose code to extract the necessary
22678 information from an inline header; simply put back the function
22679 structure into current_function. Clear its inlinable elt.
22680 * rtl.def (INLINE_HEADER): Delete.
22681 * rtl.h: Delete all accessors for an INLINE_HEADER.
22682 (gen_inline_header_rtx): Delete declaration.
22683 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
22684 Delete declarations.
22685 (REGNO_POINTER_ALIGN): Delete.
22686 (clear_emit_caches): Declare.
22687 (set_new_last_label_num): Declare.
22689 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
22691 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
22693 * except.c (expand_eh_region_start_for_decl): Always start a new block.
22694 * stmt.c (is_eh_region): Make sure current_function is present, too.
22696 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
22698 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
22699 for 64bit PA targets.
22701 * pa.h (SELECT_SECTION): Define.
22702 * som.h (SELECT_SECTION): Delete.
22704 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22706 * alias.c (init_alias_analysis): Wrap call to
22707 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
22709 1999-08-07 Bruce Korb <autogen@linuxbox.com>
22711 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
22712 <sys/asm.h> contains an asm comment with an apostrophe
22713 * fixinc/inclhack.sh: regen
22714 * fixinc/fixincl.x: regen
22716 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
22718 * function.c (init_function_start): Clear prologue & epilogue.
22719 (prologue_epilogue_contains): New function.
22720 * alias.c (init_alias_analysis): Use it.
22721 * rtl.h (prologue_epilogue_contains): Declare it.
22723 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
22725 * jump.c (onlyjump_p): New function.
22726 * rtl.h: Declare it.
22727 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
22728 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
22730 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
22732 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
22733 to invert loops. Simplify block scanning.
22735 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22737 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
22738 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
22740 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
22742 * config/sparc/liteelf.h: New file to support sparclite-elf target
22743 * config/sparc/t-sp86x: New file to support sparc86x targets
22744 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
22745 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
22746 * configure.in: Support above target triplets
22747 * configure: Regenerated
22749 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
22751 * fixinc/server.c (server_setup): Do not prefix function used as
22752 parameter with `&'.
22754 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
22756 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
22757 Remove fp reg alternatives.
22759 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
22761 * Makefiin (TAROUTOPTS): Kill.
22762 (install-headers-tar): Use "xpf" for tar headerfile extraction
22763 * i370/x-oe (TAROUTOPTS): Delete.
22764 * m68k/x-apollo68 (TAROUTOPTS): Delete.
22765 * m68k/x-hp320 (TAROUTOPTS): Delete.
22766 * m68k/x-hp320g (TAROUTOPTS): Delete.
22767 * gcc.texi: Update bug reporting text.
22769 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22771 * reg-stack.c (change_stack) Fixed problem with negative array index.
22773 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
22775 * extend.texi, install.texi: Fix spelling mistakes.
22777 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
22778 (s-attrtab); No longer try to use pre-made insn-attrtab file.
22779 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
22780 PREMADE_ATTRTAB_MD.
22781 * mips/t-ecoff: Likewise.
22782 * mips/t-elf: Likewise.
22783 * mips/t-mips: Likewise.
22784 * mips/t-osfrose: Likewise.
22785 * mips/t-r3900: Likewise.
22786 * mips/t-svr3: Likewise.
22787 * mips/t-svr4: Likewise.
22788 * mips/t-ultrix: Likewise.
22790 * gcc.texi: Document recommend means to provide software floating
22791 point libraries in libgcc.a
22793 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
22795 * c-lex.c (yylex): We can have a number with no digits.
22797 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
22799 * jump.c (delete_prior_computation): New function, broken
22800 out of delete_computation. Check for side effects with
22801 side_effects_p instead of FIND_REG_INC_NOTE. Handle
22802 multi-word hard registers.
22803 (delete_computation): Use it. Check for side effects with
22804 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
22805 missing REG_DEAD note for a register which is both set and
22808 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
22810 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
22811 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
22812 (ASM_FILE_START): Import _mcount with the right type.
22813 (ASM_DECLARE_FUNCTION_NAME): Define.
22814 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
22815 * pa.c (output_function_prologue): Always emit the function's label
22817 * pa.h (TEXT_SPACE_P): Define.
22818 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
22819 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
22820 * som.h (TEXT_SPACE_P): Delete.
22821 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
22822 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
22824 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
22826 * expr.c (emit_group_load): Allow src to be a CONCAT.
22828 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22830 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
22831 (___mulsi3): Use '!' comment character.
22833 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22835 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
22837 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
22839 * gcc.c: Update URLs and mail addresses.
22840 * gcc.texi: Likewise.
22842 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
22844 * rs6000.c (current_file_function_operand): Return zero for
22846 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
22848 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
22851 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
22853 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
22854 allocate space in the stack frame for the PIC register.
22856 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
22858 * m68k.md (xordi3, anddi3): These patterns are not available on
22861 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
22863 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
22864 (PUT_REAL): Likewise.
22866 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22868 * final.c (shorten_branches): Don't add an alignment for loops
22869 that have no label inside.
22871 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22873 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
22874 prototypes in macro HAVE_cmpstrsi.
22876 * cpplib.c (cpp_get_token): Remove unused label `op3'.
22878 * emit-rtl.c (operand_subword): Remove unused variable
22881 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
22883 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
22885 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
22887 * cpphash.c (macroexpand): Delete leading whitespace when arg
22888 is concatenated before.
22889 (unsafe_chars): Correct test for whether + and - can extend a
22892 * cppinit.c (cpp_start_read): Do dependencies for
22893 -include/-imacros files also.
22895 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
22896 tokenizing non-directive lines.
22897 (cpp_expand_to_buffer): Temporarily disable no-output mode.
22898 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
22901 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
22903 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
22905 * c-lex.c: Sync with C++ frontend.
22906 (linemode): New variable.
22907 (parse_float): imag, conversion_errno, and type are output only.
22908 (yylex): Adjust. Move initial '.' case into main switch.
22910 (handle_generic_pragma): Just deal with tokens.
22911 (readescape): Use ISXDIGIT and ISGRAPH.
22912 * c-parse.in: Add END_OF_LINE token.
22914 * c-lex.c (lang_init): Generalize.
22915 (nextchar): Remove. Replace uses with UNGETC.
22916 (skip_white_space): Handle linemode here. Optimize for cpplib.
22917 (skip_white_space_on_line): Remove.
22918 (extend_token_buffer_to): New fn.
22919 (extend_token_buffer): Use it.
22920 (read_line_number, check_newline): Just deal with tokens.
22921 (token_getch, token_put_back): New fns.
22922 (yylex): Use them. More cpplib optimizations. Simplify.
22924 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22925 Jason Merrill <jason@yorick.cygnus.com>
22927 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
22928 (consume_string): Make this smart about USE_CPPLIB.
22929 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
22930 (yylex): Rewrite to be intelligent about USE_CPPLIB.
22931 Also, clean up cases where we redundantly set token_buffer[0].
22932 (read_line_number): New fn.
22933 (ignore_escape_flag): New variable.
22935 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
22937 * a29k/t-a29kbare: Fix some comments.
22938 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
22939 (FPBIT, DPBIT): Define.
22940 * a29k/t-vx29k: Likewise.
22941 * arc/t-arc: Likewise.
22942 * arm/t-arm-elf: Likewise.
22943 * arm/t-bare: Likewise.
22944 * arm/t-pe: Likewise.
22945 * arm/t-pe-thumb: Likewise.
22946 * arm/t-semi: Likewise.
22947 * arm/t-thumb: Likewise.
22948 * arm/t-thumb-elf: Likewise.
22949 * arm/t-thumb-linux: Likewise.
22950 * h8300/t-h8300: Likewise.
22951 * i960/t-i960: Likewise.
22952 * i960/t-vxworks960: Likewise.
22953 * m32r/t-m32r: Likewise.
22954 * mips/t-ecoff: Likewise.
22955 * mips/t-elf: Likewise.
22956 * mips/t-r3900: Likewise.
22957 * pa/t-pro: Likewise.
22958 * rs6000/t-aix43: Likewise.
22959 * rs6000/t-beos: Likewise.
22960 * rs6000/t-newas: Likewise.
22961 * rs6000/t-ppccomm: Likewise.
22962 * rs6000/t-rs6000: Likewise.
22963 * rs6000/t-winnt: Likewise.
22964 * rs6000/t-xnewas: Likewise.
22965 * rs6000/t-xrs6000: Likewise.
22966 * sh/t-sh: Likewise.
22967 * sparc/t-elf: Likewise.
22968 * sparc/t-sparcbare: Likewise.
22969 * sparc/t-sparclite: Likewise.
22970 * sparc/t-splet: Likewise.
22971 * v850/t-v850: Likewise.
22972 * mn10200/t-mn10200: Fix comments.
22973 * mn10300/t-mn10300: Likewise.
22975 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
22976 dummy operand. Allocate a new pseudo for the dummy operand.
22977 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
22979 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
22981 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
22983 * configure: Rebuilt.
22984 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
22986 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
22988 * recog.c (preproces_constraints): Zero recog_op_alt before
22989 processing the constraints.
22991 * arm.c (typedef minipool_node): Renamed from pool_node.
22992 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
22993 (add_minipool_constant): New function.
22994 (dump_minipool): New function.
22995 (find_barrier): Remove special case for getting the insn size of
22996 an insn that references the constant pool.
22997 (minipool_fixup): New structure.
22998 (push_minipool_barrier): New function.
22999 (push_minipool_fix): New function.
23000 (note_invalid_constants): New function.
23001 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23002 (arm_reorg): Rewrite code to fix up the constant pool into a
23003 series of mini-pools embedded in the insn stream.
23004 (arm_output_epilogue): New function, made mainly from the body
23005 of output_func_epilogue.
23006 (output_func_epilogue): Move insn generation part of epilogue code
23007 to arm_output_epilogue.
23008 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23009 * arm.md (pool_range): New attribute.
23010 (zero_extendqidi2): Add attribute pool_range.
23011 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23012 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23013 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23014 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23015 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23016 (epilogue): New expand.
23017 (epilogue_insn): New insn. Call arm_output_epilogue.
23019 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23020 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23022 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23024 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23026 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23028 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23030 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23032 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23034 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23036 * global.c: Fix comment.
23038 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23040 * gcc.c (access_check): New static function.
23041 (find_a_file): Use it when searching a directory list.
23042 * collect2.c (find_a_file): Don't accept directories found when
23043 searching a directory list.
23045 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23047 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23048 function parameters with `&'.
23049 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23051 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23053 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23054 or tidy_fallthru_edge if the last insn in the block is not
23055 an unconditional jump or a simple conditional jump.
23057 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23059 * Makefile.in (c-decl.o): Depends on defaults.h.
23061 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23063 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23065 (CLASS_MAX_NREGS): Likewise.
23067 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23069 * cse.c (cse_insn): Fix dumb thinko in last change.
23071 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23073 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23076 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23078 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23079 test for sizes of passed and declared parameter types.
23081 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23083 * fixincludes: Fix the return type of bsearch, char* -> void*.
23085 * fixinc/inclhack.def: Likewise.
23087 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23089 * invoke.texi (-fdump-translation-unit): New option.
23091 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23093 * expr.h (PROMOTE_PROTOTYPES): Move ...
23094 * defaults.h: ... to here.
23095 * c-decl.c: Include defaults.h instead of expr.h.
23096 * c-typeck.c: Include defaults.h.
23098 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23100 * toplev.h (errorcount): Declare.
23101 (warningcount): Likewise.
23102 (sorrycount): Likewise.
23103 * c-lex.c (errorcount): Don't declare.
23104 * dwarf2out.c (errorcount): Don't declare.
23106 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23108 * config/libgloss.h: Add a note discouraging use with ELF.
23109 * configure.in: Don't use libgloss.h for ELF targets.
23110 Always use_collect2 on a.out targets.
23112 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23114 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23115 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23117 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23119 * loop.c (strength_reduce): When doing biv->giv conversion, update
23120 reg note of NEXT->insn.
23122 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23124 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23126 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23128 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23129 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23130 Ensure expr.h is included.
23131 * c-typecheck.c (convert_arguments): Ditto.
23133 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23135 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23136 * config/convex/convex.h: Ditto.
23137 * config/dsp16xx/dsp16xx.h: Ditto.
23138 * config/fx80/fx80.h: Ditto.
23139 * config/gmicro/gmicro.h: Ditto.
23140 * config/i370/i370.h: Ditto.
23141 * config/i386/i386.h: Ditto.
23142 * config/m32r/m32r.h: Ditto.
23143 * config/m68k/m68k.h: Ditto.
23144 * config/m88k/m88k.h: Ditto.
23145 * config/mips/mips.h: Ditto.
23146 * config/pa/pa.h: Ditto.
23147 * config/pyr/pyr.h: Ditto.
23148 * config/tahoe/tahoe.h: Ditto.
23149 * config/we32k/we32k.h: Ditto.
23151 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23152 based on arch size.
23154 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23156 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23159 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23161 1999-08-02 Richard Henderson <rth@cygnus.com>
23163 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23164 for the register spill block.
23165 (m32r_va_arg): New.
23166 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23167 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23169 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23170 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23171 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23173 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23175 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23176 MAX_WCHAR_TYPE defined in sparc.h.
23177 * config/sparc/linuxaout.h: Likewise.
23178 * config/sparc/linux64.h: Likewise.
23179 Also default to -mvis if CPU is UltraSPARC.
23181 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23183 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23184 (RTX_OK_FOR_OLO10): Likewise.
23185 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23186 %lo(), allow it in addresses...
23187 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23188 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23189 does not make sense.
23190 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23191 (sparc_output_scratch_registers): New function.
23192 (output_function_prologue, sparc_flat_output_function_prologue): Use
23194 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23196 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23197 * configure.in: Add check for .register pseudo-op support in as and
23198 check for offsetable %lo().
23199 * acconfig.h: Add templates for the above checks.
23200 * configure: Regenerate.
23202 1999-08-02 Richard Henderson <rth@cygnus.com>
23204 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23205 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23206 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23208 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23210 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23213 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23215 * config/float-sparc.h: New file.
23216 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23217 sparc-*-linux-gnu and sparc64-*-linux*.
23219 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23221 * rs6000.c (rs6000_va_list): Type is an array.
23222 (rs6000_va_start): Don't doubly adjust for varargs.
23223 (rs6000_va_arg): Evaluate long long GPR adjustment.
23225 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23227 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23228 -maix64 and -maix32.
23229 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23230 LINK_SPEC): Change appropriately.
23231 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23232 (u_short_cint_operand): Likewise.
23233 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23235 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23237 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23239 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23241 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23242 for type promotion.
23243 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23244 (non_add_cint_operand): Likewise.
23245 (logical_operand): Likewise.
23246 (non_logical_cint_operand): Likewise.
23247 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23248 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23249 (rs6000_select_rtx_section): Suppress warning.
23250 (small_data_operand): Suppress warning.
23251 (rs6000_got_register): Suppress warning.
23252 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23253 type, so `J' is generally the wrong constraint for a SImode value;
23255 (andsi3_internal2): Likewise.
23256 (andsi3_internal3): Likewise.
23257 (iorsi3_internal1): Likewise.
23258 (xorsi3_internal1): Likewise.
23260 (movsf_softfloat): Likewise.
23261 (scc insns): Likewise.
23262 (movsi+2): Preserve sign bits of SImode constant.
23263 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23264 (movdf+1): Sign-extend properly.
23265 (movdi_32+1): Sign-extend properly.
23266 (scc insns): Sign-extend properly.
23268 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23271 1999-08-02 Richard Henderson <rth@cygnus.com>
23273 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23274 -mcpu parsing code.
23275 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23276 * alpha.md (all fp insns): Likewise.
23278 1999-08-02 Nick Clifton <nickc@cygnus.com>
23280 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23283 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23285 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23286 pic_load_label generator directly.
23287 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23288 No longer a named pattern.
23290 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23292 * explow.c (force_reg): Call force_operand if X does not
23293 satisfy general_operand.
23295 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23297 * fix-header.c (main): When testing for CONTINUED, use string
23298 equality, not pointer equality.
23300 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23302 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23304 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23306 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23307 that has become an unconditional jump.
23309 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23310 (output_function_epilogue): Similarly.
23312 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23314 * tree.h (init_dummy_function_start): Declare.
23316 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23318 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23319 last_expr_type, last_expr_value, block_start_count, block_stack,
23320 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23321 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23322 dynamically in stmt elt of struct function for each function.
23323 (struct nesting): Rename function_call_count elt to n_function_calls,
23324 target_temp_slot_level to block_target_temp_slot_level. All users
23326 (struct stmt_status): New structure definition.
23327 Add many accessor macros for stmt_status elements which previously
23328 were global variables.
23329 (init_stmt_for_function): Allocate stmt elt for current_function.
23330 Reflect that block_start_count was renamed to
23331 current_block_start_count.
23332 (save_stmt_status, restore_stmt_status): Delete functions.
23333 (preserve_subexpressions_p): Don't access loop_stack when outside
23335 (expand_start_bindings): Reflect that block_start_count was renamed to
23336 current_block_start_count.
23337 (expand_fixup): Likewise.
23338 (expand_decl): Don't access block_stack when outside a function.
23339 (expand_decl_cleanup): Likewise.
23340 (expand_dcc_cleanup): Likewise.
23341 (expand_dhc_cleanup): Likewise.
23342 (expand_anon_union_decl): Likewise.
23343 (set_file_and_line_for_stmt): New function.
23344 (in_control_zone_p): New function.
23346 * function.h (struct function): Add new elt stmt.
23347 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23348 case_stack, nesting_stack, nesting_depth, block_start_count,
23349 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23350 emit_lineno, goto_fixup_chain.
23351 (save_eh_status, restore_eh_status, save_stmt_status,
23352 restore_stmt_status): Delete declarations.
23353 * function.c (push_function_context_to): Don't call save_stmt_status.
23354 (pop_function_context_to): Don't call restore_stmt_status.
23355 * tree.h (in_control_zone_p): Declare.
23356 * rtl.h (set_file_and_line_for_stmt): Declare.
23358 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23359 call set_file_and_line_for_stmt.
23361 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23363 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23364 Also update copyright.
23366 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23368 * c-pragma.c: Don't include "except.h".
23369 * emit-rtl.c: Likewise.
23370 * stor-layout.c: Likewise.
23371 * tree.c: Likewise.
23372 * varasm.c: Likewise.
23374 * flow.c: Include "function.h".
23375 * tree.h (init_dummy_function_start): Declare new function.
23377 * except.h (struct eh_status): New structure.
23378 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23380 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23381 catch_clauses, false_label_stack, caught_return_label_stack,
23382 protect_list, current_function_ehc): Add accessor macros for the
23383 corresponding fields in current_function->eh; delete declarations
23384 for all items that used to be declared here.
23385 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23386 catch_clauses, false_label_stack, caught_return_label_stack,
23387 protect_list, current_function_ehc): Delete variables.
23388 (init_eh_for_function): Allocate current_function->eh.
23389 (save_eh_status, restore_eh_status): Delete functions.
23391 * function.h (struct function): Add fields next_global and eh.
23392 Delete all exception handling related fields.
23393 * function.c (current_function): New variable.
23394 (all_functions): New variable.
23395 (push_function_context_to): Don't allocate a struct function,
23396 use current_function instead. Call init_dummy_function_start when
23397 outside a function. Clear current_function before returning.
23398 (pop_function_context_from): Restore current_function.
23399 Don't free the restored struct function.
23400 (prepare_function_start): New function.
23401 (init_dummy_function_start): New function.
23402 (init_function_start): Break out some code into prepare_function_start
23405 * stmt.c (save_stmt_status): Don't call save_eh_status.
23406 (restore_stmt_status): Don't call restore_eh_status.
23408 * Makefile.in: Update dependencies.
23410 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
23412 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
23413 of depending on a magic constant value. Update comments.
23414 (hppa_expand_prologue): Similarly.
23416 * pa.md (reload_indi, reload_outdi): Allow any register for the
23417 original reload register.
23419 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
23421 * cccp.c (print_help): Change marcos to macros.
23423 1999-07-30 Richard Henderson <rth@cygnus.com>
23425 * c-typeck.c (initializer_constant_valid_p): Move ...
23426 * c-common.c (initializer_constant_valid_p): ... here. Use
23427 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
23428 of label addresses.
23429 * c-common.h (initializer_constant_valid_p): Declare.
23430 * c-tree.h (initializer_constant_valid_p): Remove.
23432 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
23434 * config/i386/sol2-c1.asm: Align the stack.
23435 * config/i386/sol2-gc1.asm: Likewise.
23437 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
23439 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
23440 -Asparclite for sparc86x.
23441 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
23443 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
23445 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
23447 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
23448 the user if using the non-default arch size in BI_ARCH configuration.
23449 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
23451 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
23452 Fix patterns so that they actually match.
23453 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
23454 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
23455 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
23457 (mulsidi3): Reflect this in the expand.
23458 (smulsi3_highpart): Only on TARGET_ARCH32.
23459 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
23460 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
23461 (umulsidi3): Reflect this in the expand.
23462 (umulsi3_highpart): Only on TARGET_ARCH32.
23463 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
23464 don't require g0 to be zero.
23465 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
23466 ({,u}divsi3): New expands.
23467 ({,u}divsi3_sp64): New patterns.
23468 (after lshrdi3_v8plus): Four new patterns to help combiner
23469 optimizing nested mixed mode shifts.
23471 * config/sparc/sparc.c (sparc_override_options): Use deprecated
23472 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
23473 speed things up. Don't use them by default on plain v9 in 64bit
23474 mode, according to what SPAMv9 sais.
23476 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
23477 top 32 bits of %[og][0-7] in signal handlers.
23478 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
23480 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
23482 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
23483 (ashlsi3): Corresponding changes.
23485 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
23487 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
23489 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
23491 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23493 * arm.h (Hint): Delete macro.
23494 Substitute HOST_WIDE_INT for Hint in some prototypes.
23495 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
23497 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
23499 * builtins.c (expand_builtin_setjmp): Use force_operand to
23500 make sure that the buffer address is in a suitable form to be
23501 passed to force_reg.
23503 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
23505 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
23508 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
23510 * pa.md (indirect_jump): Remove mode from match_operand. Verify
23511 proper mode in the condition string.
23512 (icacheflush, dcacheflush): Remove modes from match_operands.
23514 * pa.c (emit_move_sequence): Always convert scratch_reg to the
23515 proper mode before using it.
23517 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
23520 * pa.c (store_reg): Do not call add_high_const generator directly.
23521 (load_reg, set_reg_plus_d): Likewise.
23522 * pa.md (add_high_const): No longer a named pattern.
23524 * pa.c (legitimize_address): Consistently use Pmode rather than
23525 SImode. Do not call gen_pic2_highpart directly anymore.
23526 * pa.md (pic2_highpart): No longer a named pattern.
23527 (pic2_lo_sum): Similarly. Reformat to make more readable.
23529 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
23534 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23536 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
23538 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
23540 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
23541 and tag the spill mems.
23542 (hppa_va_start): New.
23543 (hppa_va_arg): New.
23544 * pa.h (EXPAND_BUILTIN_VA_START): New.
23545 (EXPAND_BUILTIN_VA_ARG): New.
23547 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
23549 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
23550 and tag the spill mems.
23551 (mn10300_va_start): New.
23552 (mn10300_va_arg): New.
23553 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
23554 (EXPAND_BUILTIN_VA_ARG): New.
23556 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
23558 * mn10200.c (mn10200_va_arg): New.
23559 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
23561 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
23563 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
23564 rather than play with TREE_INT_CST_LOW.
23566 1999-07-27 Philip Blundell <pb@nexus.co.uk>
23568 * config/arm/telf.h: Include dbxelf.h.
23569 (CPP_PREDEFINES): Only define if not already defined.
23570 (ASM_IDENTIFY_GCC): Likewise.
23571 (SUBTARGET_EXTRA_SECTIONS): Likewise.
23572 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
23573 * config/arm/thumb.h (LINK_SPEC): Only define if not already
23575 (DBX_DEBUGGING_INFO): Don't define.
23576 * config/arm/linux-telf.h: New file.
23577 * config/arm/linux-tgas.h: New file.
23578 * config/arm/t-thumb-linux: New file.
23579 * config/arm/uclinux-elf.h: New file.
23580 * config/arm/uclinux-telf.h: New file.
23581 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
23582 thumb-*-uclinux): New targets.
23583 * configure: Regenerate.
23585 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
23587 * pa.md (post_store, pre_load): New expanders.
23588 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
23589 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
23590 need to directly generate RTL for them.
23591 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
23594 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
23596 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
23597 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
23598 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
23599 (secndary_reload_class): Make TARGET_ELF conditional compile.
23600 (print_operand_address): Similar.
23601 (output_toc): Print all values as hex.
23602 (get_issue_rate): Rearrange and add RS64A and PPC630.
23603 * rs6000.h (processor_type): Add RS64A and PPC630.
23604 (PROCESSOR_POWERPC64): New.
23605 (PROMOTE_MODE): Use word_mode.
23606 (RTX_COSTS): Add RS64A and PPC630.
23607 * rs6000.md (scheduling information): Add lmul and ldiv
23608 representing 64-bit integer multiply and divide. Add rs64a and
23609 PPC630 information.
23610 (ashldi3): Add support for "rldic" instruction.
23611 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
23613 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
23615 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
23616 instead of V8 for sparclite86x in cpu_table.
23618 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23620 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
23621 output_file_directive.
23623 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
23625 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
23626 tree for op1, not the rtl.
23628 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
23630 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
23631 to m88k_va_start, leaving only the register spill.
23632 (m88k_build_va_list): New.
23633 (m88k_va_start): New.
23634 (m88k_va_arg): New.
23635 * m88k.h (BUILD_VA_LIST_TYPE): New.
23636 (EXPAND_BUILTIN_VA_START): New.
23637 (EXPAND_BUILTIN_VA_ARG): New.
23639 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
23641 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
23642 Rename from expand_builtin_saveregs.
23643 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
23645 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
23647 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
23648 for the register spill block.
23649 (i960_build_va_list): New.
23650 (i960_va_start): New.
23651 (i960_va_arg): New.
23652 * i960.h (BUILD_VA_LIST_TYPE): New.
23653 (EXPAND_BUILTIN_VA_START): New.
23654 (EXPAND_BUILTIN_VA_ARG): New.
23655 * i960.md (store_multiple): Use change_address on individul mems.
23657 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
23659 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
23661 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
23662 (expand_builtin_va_end): Evaluate arg for side effects.
23663 * c-common.c (c_common_nodes_and_builtins): Construct a
23664 va_list_arg_type_node to handle array decomposition to pointer.
23666 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
23668 * except.c (st_dynamic_cleanup): Use force_operand on the
23671 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
23673 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
23674 * c4x.c (c4x_va_arg): New.
23676 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
23678 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
23679 has manual_pop set.
23681 1999-07-26 Nathan Sidwell <nathan@acm.org>
23683 * eh-common.h (__eh_matcher): Prototype correctly.
23685 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
23687 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
23688 (TARGET_SINGLE_PIC_BASE): Likewise.
23689 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
23691 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
23692 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
23693 (TARGET_OPTIONS): Add -mpic-register=N.
23694 (OUTPUT_INT_ADDR_CONST): New macro.
23695 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
23696 LEGITIMATE_PIC_OPERAND_P): Likewise.
23697 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
23698 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
23699 output_addr_const directly.
23700 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
23702 (thumb_pic_register, thumb_pic_register_string): Declare.
23704 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
23706 (label_mentioned_p): New function: Imported from arm.c.
23707 (legitimize_pic_address): New function: Imported from arm.c.
23708 (is_pic):New function: Imported from arm.c.
23709 (thumb_finalize_pic):New function: Imported from arm.c.
23710 (add_constant): Cope with PIC constants.
23711 (fixit): Cope with PIC constants.
23712 (output_return): Do not treat the PIC register as live if
23713 TARGET_SINGLE_PIC_BASE is true.
23714 (thumb_function_prologue): Do not treat the PIC register as live if
23715 TARGET_SINGLE_PIC_BASE is true.
23716 (thumb_expand_prologue): Do not treat the PIC register as live if
23717 TARGET_SINGLE_PIC_BASE is true.
23718 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
23719 TARGET_SINGLE_PIC_BASE is true.
23720 (thumb_print_operand): Accept '|'.
23721 (thumb_override_options): Process PIC options.
23723 * config/arm/thumb.md (movsi): Support PIC.
23724 (call_insn): Change "i" constraint to "X".
23725 (call_value_insn): Likewise.
23726 (consttable_4, consttable_8, consttable_end): Set and clear
23727 "making_const_table" as appropriate.
23728 (pic_load_addr, pic_add_dot_plus_four): New insns.
23730 * invoke.texi (Thumb Options): Fix spelling. Document new
23731 options -msingle-pic-base and -mpic-register=.
23733 1999-07-26 Andrew Haley <aph@cygnus.com>
23735 * config/m32r/initfini.c (__init): Use a full word immediate for
23736 __fini: this allows it to be placed in any memory region.
23738 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
23739 -mmodel=medium. This is OK for all memory models.
23741 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
23743 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
23744 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
23746 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
23748 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
23751 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
23753 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
23755 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
23756 (BUILD_VA_LIST_TYPE): New.
23757 (EXPAND_BUILTIN_VA_START): New.
23758 (EXPAND_BUILTIN_VA_ARG): New.
23759 * i860.c (output_delayed_branch): Disable.
23760 (output_delay_insn): Likewise.
23761 (i860_saveregs): New.
23762 (i860_build_va_list): New.
23763 (i860_va_start): New.
23764 (i860_va_arg): New.
23765 * i860.md: Disable all peepholes using output_delayed_branch.
23766 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
23768 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
23770 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
23771 (BUILD_VA_LIST_TYPE): New.
23772 (EXPAND_BUILTIN_VA_START): New.
23773 (EXPAND_BUILTIN_VA_ARG): New.
23774 * clipper.c (clipper_builtin_saveregs): Only dump registers.
23775 Return the address of the save area.
23776 (clipper_build_va_list): New.
23777 (clipper_va_start): New.
23778 (clipper_va_arg): New.
23780 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
23782 * arc.h (EXPAND_BUILTIN_VA_START): New.
23783 (EXPAND_BUILTIN_VA_ARG): New.
23784 * arc.c (arc_setup_incoming_varargs): Set alias set of
23786 (arc_va_start): New.
23789 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
23791 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
23792 (BUILD_VA_LIST_TYPE): New.
23793 (EXPAND_BUILTIN_VA_START): New.
23794 (EXPAND_BUILTIN_VA_ARG): New.
23795 * alpha.c (alpha_builtin_saveregs): Delete.
23796 (alpha_build_va_list): New.
23797 (alpha_va_start): New.
23798 (alpha_va_arg): New.
23800 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
23802 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
23804 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
23805 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
23807 * gcc.texi: More changes related to list conversion.
23808 * invoke.texi: Likewise.
23810 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
23812 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
23813 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
23814 (expand_builtin_next_arg): Accept ARGLIST not EXP.
23815 (stabilize_va_list): New function.
23816 (std_expand_builtin_va_start): New function.
23817 (expand_builtin_va_start): New function.
23818 (get_varargs_alias_set): New function.
23819 (std_expand_builtin_va_arg): New function.
23820 (expand_builtin_va_arg): New function.
23821 (expand_builtin_va_end): New function.
23822 (expand_builtin_va_copy): New function.
23823 (expand_builtin): Call them.
23824 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
23825 __builtin_{varargs_start,stdarg_start,end,copy}.
23826 (build_va_arg): New function.
23827 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
23828 (build_va_arg): Declare.
23829 * c-decl.c (ptr_type_node, va_list_type_node): New.
23830 * c-parse.gperf (__builtin_va_arg): New.
23831 * c-parse.in (VA_ARG): New token.
23832 (unary_expr): Recognize it.
23833 * expr.c (expand_expr): Expand VA_ARG_EXPR.
23834 * expr.h (std_expand_builtin_va_start): Declare.
23835 (std_expand_builtin_va_arg): Declare.
23836 (expand_builtin_va_arg): Declare.
23837 (get_varargs_alias_set): Declare.
23838 * tree.def (VA_ARG_EXPR): New.
23839 * tree.h (BUILT_IN_VARARGS_START): New.
23840 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
23841 (ptr_type_node, va_list_type_node): Declare.
23842 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
23843 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
23844 * m88k.h, m88k.c: Likewise.
23845 * mn10300.h, mn10300.c: Likewise.
23846 * pa.h, pa.c: Likewise.
23847 * rs6000.h, rs6000.c: Likewise.
23848 * sh.h, sh.c: Likewise.
23849 * sparc.h, sparc.c: Likewise.
23851 * emit-rtl.c (operand_subword): Copy alias set.
23852 (change_address): Likewise.
23854 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
23856 * pa.c (compute_frame_size): Scan all the used callee saved registers,
23857 not just the first one.
23859 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
23861 * config/arm/arm.h (TARGET_SWITCHES): Add
23862 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
23863 (TARGET_OPTIONS): Add -mpic-register=.
23864 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
23865 (arm_pic_register_string): Declare.
23866 (NEED_PLT_GOT): Delete, replace with ...
23867 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
23868 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
23869 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
23870 * config/arm/arm.c (arm_override_options): Add new option
23872 (arm_pic_register_string): New variable.
23873 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
23874 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
23875 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
23876 (output_return_instruction): Likewise.
23877 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
23878 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
23879 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
23881 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
23882 mention of -msched-prolog. Document new options -msingle-pic-base
23883 and -mpic-register=.
23885 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
23887 * haifa-sched.c (reemit_notes): Tidy.
23888 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
23891 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
23893 * explow.c (trunc_int_for_mode): New function.
23894 (plus_constant_wide): Use it.
23895 * combine.c (simplify_and_const_int): Likewise.
23896 (merge_outer_ops): Likewise.
23897 (simplify_shift_const): Likewise.
23898 * cse.c (simplify_unary_operation): Likewise.
23899 (simplify_binary_operation): Likewise.
23900 * emit-rtl.c (operand_subword): Likewise.
23901 * rtl.h: Declare it.
23903 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23905 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
23906 (use NUM_REGS instead of NUM_INTS).
23908 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23910 * builtins.c: New file.
23911 * expr.c (saveregs_value, apply_args_value): Delete definition,
23912 moved into builtins.c.
23913 (string_constant): No longer static.
23914 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
23915 apply_args_size, apply_result_size, result_vector,
23916 expand_builtin_apply_args, expand_builtin_apply,
23917 expand_builtin_return): Delete functions, moved into builtins.c.
23918 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
23919 * expr.h (saveregs_value, apply_args_value): Declare variables.
23920 (expand_builtin, string_constant): Declare functions.
23921 * Makefile.in: Update to build builtin.o.
23923 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
23925 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
23926 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
23927 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
23928 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
23930 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
23933 1999-07-21 Michael Meissner <meissner@cygnus.com>
23935 * print-rtl.c (print_rtx): Print the names of the virtual
23938 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
23940 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
23941 introduced in previous delta.
23943 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23945 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
23946 to avoid name clash.
23948 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
23950 * c-lex.c (yylex) : Correct the test for overflow when lexing
23953 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
23955 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
23956 (adjust_priority): Always call ADJUST_PRIORITY.
23957 (schedule_insn): Only put insns into the ready at cost 0.
23958 (schedule_block): Remove redundant initial sort. Give clock_var
23959 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
23961 * tm.texi (MD_SCHED_REORDER): Update docs.
23963 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
23964 * sparc.c (ultra_reorder_called_this_block): Delete.
23965 (ultrasparc_sched_init): Don't set it.
23966 (ultrasparc_sched_reorder): Don't check it.
23968 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
23970 * rs6000.h (struct rs6000_args): Add sysv_gregno.
23971 * rs6000.c (init_cumulative_args): Init sysv_gregno.
23972 (function_arg_boundary): Align DFmode.
23973 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
23974 to get fp reg and stack overflow correct.
23975 (function_arg): Likewise.
23976 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
23977 (setup_incoming_varargs): Restructure for ABI_V4; use
23978 function_arg_advance to skip final named argument.
23979 (expand_builtin_saveregs): Properly unskip the last integer arg
23980 when doing varargs. Adjust overflow location calculation.
23982 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
23983 explicitly unsigned.
23984 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
23985 (__VA_GP_REGSAVE): Similarly.
23986 (__va_longlong_p): Delete.
23987 (__va_arg_type_violation): New declaration.
23988 (va_arg): Restructure. Flag promotion errors. Align double.
23989 TFmode passed by reference.
23991 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
23992 in the HOST_BITS_PER_WIDE_INT > 32 case.
23994 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
23996 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
23998 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24000 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24001 * toplev.c (documented_lang_options): Add -fpreprocessed.
24002 * cpplib.h (struct cpp_buffer): Add preprocessed.
24003 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24004 (cpp_start_read): Don't expand macros or emit an initial #line
24005 directive if -fpreprocessed.
24007 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24009 * cpplib.h (struct cpp_buffer): Added manual_pop for
24010 better C++ tokenization.
24011 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24012 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24013 * c-common.c (cpp_token): Make non-static.
24015 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24017 * c-common.h: New file.
24018 * c-common.c (permanent_obstack): Delete unused declaration.
24019 (c_global_trees): New array.
24020 (c_common_nodes_and_builtins): New function; split off common code
24021 from init_decl_processing in both c-decl.c and cp/decl.c.
24022 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24023 c_global_trees and accessor macros defined in c-common.h.
24024 Include c-common.h.
24025 * c-decl.c: Delete definitions for tree nodes that were replaced by
24027 (init_decl_processing): Build void_list_node.
24028 Call c_common_nodes_and_builtins; delete code to generate the common
24030 * objc/objc-act.c (build_module_descriptor): Rename variable
24031 void_list_node to avoid clash with c-common.h.
24033 * Makefile.in: Update dependencies.
24034 * objc/Make-lang.in: Likewise.
24036 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24038 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24039 (UNIQUE_SECTION_P): Likewise.
24040 (UNIQUE_SECTION): Likewise.
24042 1999-07-19 Linas Vepstas <linas@linas.org>
24044 * config/i370/README: New file.
24045 * config/i370/linux.h: New file.
24046 * config/i370/mvs.h: New file.
24047 * config/i370/oe.h: New file.
24048 * config/i370/t-linux: New file.
24049 * config/i370/t-mvs: New file.
24050 * config/i370/t-oe: New file.
24051 * config/i370/x-oe: New file.
24052 * config/i370/xm-linux.h: New file.
24053 * config/i370/xm-mvs.h: New file.
24054 * config/i370/xm-oe.h: New file.
24056 * i370.c (label_node_t): Add first_ref_page, label_addr,
24057 label_first_ref, label_last_ref members.
24058 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24059 (MAX_MVS_LABEL_SIZE): Define.
24060 (MAX_LONG_LABEL_SIZE): Define.
24061 (alias_node_t, alias_anchor, alias_number): New.
24062 (mvs_function_table): Reorder for EBCDIC.
24063 (ascebc, ebcasc): Unconditionally define.
24064 (i370_branch_dest, i370_branch_length): New functions.
24065 (i370_short_branch, i370_label_scan): New functions.
24066 (mvs_get_label): Renamed from mvs_add_label. Search for
24067 an existing label before creating a new one.
24068 (mvs_add_label): New function.
24069 (mvs_get_label_page): New function.
24070 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24071 over the entire list.
24072 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24073 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24074 (mvs_add_alias, mvs_need_alias): New functions.
24075 (mvs_get_alias, mvs_check_alias): New functions.
24076 (handle_pragma): New function.
24077 (mvs_function_check): New function.
24078 (unsigned_jump_follows_p): Search harder.
24079 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24080 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24081 * i370.h (TARGET_VERSION): Delete.
24082 (CPP_SPEC, CPP_PREDEFINES): Delete.
24083 (mvs_label_emitted): Delete.
24084 (TARGET_EBCDIC): Delete.
24085 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24086 (HANDLE_PRAGMA): Define.
24087 (HARD_REGNO_NREGS): Handle complex modes.
24088 (HARD_REGNO_MODE_OK): Likewise.
24089 (CLASS_MAX_NREGS): Likewise.
24090 (RET_REG): Likewise.
24091 (EXTRA_CONSTRAINT): Define.
24092 (RETURN_IN_MEMORY): True for DImode.
24093 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24094 (FUNCTION_PROFILER): Delete.
24095 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24096 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24097 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24098 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24099 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24100 (ASM_FILE_START): Add "RMODE ANY".
24101 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24102 (ASM_GLOBALIZE_LABEL): Likewise.
24103 (ASM_OUTPUT_LABELREF): Likewise.
24104 (ASM_OUTPUT_COMMON): Likewise.
24105 (PRINT_OPERAND): Handle 'K', 'W', default.
24106 (PRINT_OPERAND_ADDRESS): New.
24107 (Lots of defines): Add support for TARGET_ELF_ABI.
24108 * i370.md (attr length): New. Define for all patterns.
24109 (*): Lots of tweeks to assembly output and constraints.
24111 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24113 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24114 Disable patterns performing SImode comparisons with SImode values
24115 if TARGET_POWERPC64 and instruction does not sign-extend or does
24116 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24117 differ for signed quantities.
24118 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24119 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24120 (decrement_and_branch_on_count): Add 64-bit variant.
24122 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24124 * final.c (output_asm_insn): When searching for the matching string
24125 for a given dialect, don't run past the end of the list of
24126 alternatives if there are fewer alternatives in the template than
24129 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24131 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24132 Removed paragraph about compression of files and size limitation,
24133 duplicated in the FAQ. Use gcc-patches for posting patches.
24134 * gcc.c (main): Updated URL with bug reporting instructions to
24135 gcc.gnu.org. Removed e-mail address.
24136 * system.h (abort): Likewise.
24138 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24140 * Makefile.in (stmp-multilib-sub): Make the files extracted
24141 from $(LIBGCC1) writable.
24143 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24145 * config/arm/aout.h: Reformat for improved readability.
24147 * config/arm/arm.h: Reformat for improved readability.
24148 Replace uses of fprintf with asm_fprintf where appropriate.
24149 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24150 function declaration assembler actions.
24151 (NUM_INTS): New macro: Convert from bytes to words.
24152 (NUM_REGS): New macro: Compute number of registers required to
24153 hold a quanitity of tyep MODE.
24154 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24156 (NUM_ARG_REGS): New macro: The number of argument registers
24158 (ARG_REGISTER): New macro: Compute the register number of the Nth
24160 (LAST_ARG_REGNUM): New macro: The number of the last argument
24162 (SP_REGNUM): New macro: Register number of the stack pointer.
24163 (FP_REGNUM): New macro: Register number of the frame pointer.
24164 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24165 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24166 CUMULATIVE_ARGS so that it counts registers not bytes.
24168 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24170 Replace uses of fprintf with asm_fprintf where appropriate.
24171 (output_ascii_pseudo_op): Replace with version from thumb.c
24173 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24175 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24176 SUBTARGET_CPP_SPEC.
24177 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24178 (ASM_FILE_START): Emit ASM_APP_OFF.
24180 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24182 * pa.c (compute_frame_size): Round frame according to
24183 STACK_BOUNDARY rather than a hardwired value.
24185 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24187 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24189 * configure: Rebuilt.
24191 * configure.in (hppa*-*-linux*): New configuration.
24192 * configure: Rebuilt.
24193 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24194 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24195 * pa/pa-linux.h: New file.
24196 * pa/t-linux: New file.
24197 * pa/xm-linux.h: New file.
24199 * pa.c (hppa_legitimize_address): Change references from SImode to
24200 either Pmode or word_mode as appropriate.
24201 (emit_move_sequence, store_reg, load_reg): Likewise.
24202 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24203 (output_mul_insn): Likewise.
24204 * pa.h (PROMOTE_MODE): Likewise.
24205 (INITIALZE_TRAMPOLINE): Likewise.
24206 (Pmode): Define to word_mode.
24208 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24209 value of 4. Allocate 8 bytes for each FP register save.
24210 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24212 (hppa_expand_prologue): Likewise.
24213 * pa.h (PROMOTE_MODE): Likewise.
24214 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24215 (FUNCTION_ARG_BOUNDARY): Likewise.
24217 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24219 * pa.c (out_of_line_prologue_epilogue): Delete.
24220 (override_options): Remove -mspace related code.
24221 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24222 (compute_frame_size): Only allocate space for register that
24223 actually need to be saved.
24224 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24225 (TARGET_SWITCHES): Remove -mspace, -mno-space
24226 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24227 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24228 * pa/ee.asm, pa/ee_fp.asm: Delete.
24230 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24232 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24233 directive in column zero.
24235 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24237 * m68k.c (output_function_prologue): Fix computation of save mask
24238 when generating PIC code.
24240 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24242 * tree.c (build_type_attribute_variant): Move current_obstack restore
24243 after build_qualified_type call.
24245 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24247 * configure.in: Use t-iris6, even with GNU LD.
24248 * config/mips/iris6gld.h: Fix typo in linker spec.
24249 * config/mips/t-iris6gld: Remove.
24251 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24253 * rs6000.md (insv, extzv): Remove SImode dependence in named
24254 patterns. Explicitly generate DImode RTL if PowerPC64 and
24256 (insvdi): Reverse start and size in instruction template.
24258 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24260 * invoke.texi: Typo fixes.
24262 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24264 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24265 handle at this time instead of silently generating incorrect code.
24266 (gen_imagpart): Likewise.
24268 * reload.c (find_reloads): Emit a USE for a pseudo register without
24269 a hard register if we could not create an optional reload for the
24272 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24274 * c-typeck.c (output_init_element, process_init_element):
24275 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24276 check for nameless bit fields.
24278 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24280 * regclass.c (scan_one_insn): Notice subregs that change the
24281 size of their operand.
24282 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24284 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24286 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24287 * configure: Rebuilt.
24288 * alpha/t-ieee: New file.
24290 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24292 * rs6000.c (find_addr_reg): Do not select r0 as an address
24295 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24297 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24299 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24301 * rs6000.md (movsf): Do not force easy FP constants into memory.
24303 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24304 immed_double_const to ensure they are properly truncated then
24307 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24309 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24310 always unless NO_DEBUG is used. Compile this code
24312 (replace_symbols_in_block): Compile it unconditionally.
24314 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24316 * configure.in (i?86-*-elf*): New target.
24317 * configure: Rebuilt.
24318 * i386/i386elf.h, i386/t-i386elf: New files.
24320 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24322 * toplev.c (main): Don't complain about saying -gdwarf.
24323 (rest_of_compilation): Remove redundant code.
24325 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24327 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24329 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24331 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24332 "Li960R:", to avoid name clash.
24334 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24336 * loop.c (check_dbra_loop): When reversing a loop, delete all
24337 REG_EQUAL notes referencing the reversed biv except those which are
24338 for a giv based on it.
24340 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24342 * version.c: Drop "gcc-" prefix from version #.
24344 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24346 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24347 the label if we're being verbose.
24349 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24351 * m68k.c (output_function_prologue): Add pic register to mask
24352 if live and flag_pic.
24353 (output_function_epilogue): Likewise.
24355 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24357 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24358 directives in column zero.
24360 * pa/elf.h (ASM_FILE_START): Define.
24361 * pa/som.h (ASM_FILE_START): Include .level directives.
24362 * pa/hpux10.h (ASM_FILE_START): Delete.
24363 * pa/hpux11.h (ASM_FILE_START): Delete.
24365 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24367 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24369 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24370 when reload_out equals reload_in.
24372 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24374 * invoke.texi (Spec Files): New node: Describe the contents of
24377 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24379 * invoke.texi (DEC Alpha Options): Put @end table at
24380 beginning of line, to avoid confusing texi2html.
24382 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24384 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24385 introduced in previous delta.
24387 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24389 * reload1.c (gen_reload): When synthesizing a 3 operand add
24390 sequence, improve test for when to reload OP1 into the reload
24391 register instead of OP0.
24393 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24395 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24397 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24399 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24402 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24404 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24405 (va_dcl): Use __builtin_va_alist_t.
24407 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
24409 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
24410 on the permanent_obstack.
24411 * dwarfout.c (output_type): Likewise.
24413 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
24415 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24416 Merged from c-typeck.c and cp/typeck.c.
24417 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24418 Merged into c-common.
24420 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
24422 * c-lex.c (errorcount): Declare it.
24423 (finish_parse): Update errorcount when using CPPLIB.
24425 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
24427 * fixinc/inclhack.def(end_else_label): Double the backslash so
24428 sed gets a chance to see it.
24429 * fixinc/inclhack.sh: regen
24430 * fixinc/fixincl.x: regen
24432 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
24434 Add framework to support armv5 architecture when it becomes
24437 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
24438 (arm_arch5): New variable.
24439 (all_architectures): Add armv5 line.
24440 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
24441 -march=armv5 is specified on the command line.
24442 (arm_arch5): Export this variable.
24443 * invoke.texi: Document new string accepted by -march= switch for
24446 * config/arm/arm.h: Replace use of constant 12 as a register
24447 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24448 * config/arm/arm.c: Replace use of constant 12 as a register
24449 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24451 * config/arm/elf.h: Tidy up.
24452 * config/arm/coff.h: Tidy up.
24454 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
24456 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
24457 * gcc/config/mips/t-iris6gld: New file.
24458 * gcc/config/mips/iris6gld.h: Likewise.
24460 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
24462 * c-decl.c (widest_integer_literal_type_node,
24463 widest_unsigned_literal_type) : New.
24464 (init_decl_processing): Handle/use the two new types.
24465 * c-common.c (type_for_size,type_for_mode) : Same.
24466 * c-lex.c (yylex) : Same.
24467 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24469 * c-tree.h (widest_integer_literal_type_node,
24470 widest_unsigned_literal_type) : New.
24472 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
24474 * dwarfout.c (field_byte_offset): Correctly compute the object's
24475 byte offset for the first bit of a field which crosses an alignment
24476 boundary on a !BYTES_BIG_ENDIAN target.
24478 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
24480 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
24483 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
24484 Jeff Law <law@cygnus.com>
24486 * ginclude/varargs.h (va_dcl): Use word_mode for type of
24489 * except.c: Include intl.h.
24490 (expand_eh_return): Set current_function_cannot_inline.
24491 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
24492 * function.h (struct function): Add eh_return_stub_label.
24493 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
24494 * Makefile.in (except.o): Depend on intl.h.
24496 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
24498 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
24499 same as offsettable in cases 1 and 2.
24501 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
24503 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
24504 (extlh, extwh): Likewise.
24506 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
24508 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
24510 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
24512 * configure.in: Add arm-pe and thumb-pe targets.
24513 * configure: Regenerate.
24515 * thumb.c (arm_naked_function_p): New function: Determines if
24516 a function is naked (has no gcc generated prologue/epilogue).
24517 (is_called_in_ARM_mode): Return true if the func has the
24518 interfacearm attribute.
24519 (output_return): Do not generate a return for naked functions.
24520 (thumb_function_prologue): Do not generate a prologue for
24522 (thumb_expand_prologue): Do not generate a prologue for naked
24524 (thumb_expand_epilogue): Do not generate an epilogue for naked
24526 (arm_valid_machine_decl_attribute): New function, copied from
24527 arm.c: Permit naked and interfacearm attributes.
24529 * config/arm/pe.c: New file: Support code for arm-pe target.
24530 * config/arm/pe.h: New file: Header file for arm-pe target.
24531 * config/arm/tpe.h: New file: Header file for thumb-pe target.
24532 * config/arm/t-thumb-pe: New file: Makefile fragment for
24535 1999-07-01 Mark Kettenis <kettenis@gnu.org>
24537 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
24538 -fPIC or -fpic is specified.
24540 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
24542 * expr.c (emit_block_move): Use copy_to_mode_reg for
24543 !TARGET_MEM_FUNCTIONS case too.
24545 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
24547 * configure: Rebuilt.
24548 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
24549 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
24550 definitions made redundant by dbxelf.h inclusion. Delete
24551 lots of definitions related to assembly output that are
24552 specific to the SOM object format.
24553 * pa.c (output_function_prologue): Do not emit the function's
24555 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
24556 * pa-pro.h: Deleted.
24557 * som.h: New file with SOM specific definitions.
24558 * elf.h: New file with ELF specific definitions.
24560 * elfos.h (const_section): Output a tab before assembler directives.
24561 (ctors_section, dtors_section): Likewise.
24562 (ASM_OUTPUT_SECTION_NAME): Likewise.
24564 * pa/pa1.h: Delete unused file.
24566 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
24568 * configure.in (hppa*-hp-hpux11*): New configuration.
24569 * configure: Rebuilt.
24570 * pa/pa-hpux11.h: New file.
24571 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
24574 * mips.md (leasi, leadi): New patterns.
24576 * expr.c (emit_block_move): Properly handle case where one of the
24577 block move arguments has a queued increment or decrement.
24578 (clear_storage): Similarly. Fix formatting goof.
24580 1999-06-28 "David O'Brien" <obrien@NUXI.com>
24582 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
24583 semicolon from the BSD VA_LIST replacement expression.
24585 * fixinc/inclhack.sh: regen
24586 * fixinc/fixincl.x: regen
24588 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
24589 now use the fixincl program.
24591 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
24593 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
24594 case. Also make the PIC register call_used.
24596 * m68k.h (FINALIZE_PIC): Delete.
24597 * m68k.c (finalize_pic): Delete.
24599 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
24601 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
24604 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
24606 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
24608 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
24610 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
24612 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
24614 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
24616 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
24618 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
24620 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
24622 * rs6000.c (output_toc): Always use hex values for floating-point
24623 constants. Store single-precision values in upper-half of TOC
24624 entry in 64-bit mode.
24625 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
24626 to final constraints.
24627 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
24628 (fctiwz): Improve accuracy of RTL for pattern.
24630 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
24632 * expr.c (expand_expr): Allow RTL_EXPR's through the
24633 MAX_INTEGER_COMPUTATION_MODE checks.
24635 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
24637 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
24638 such that MASK_SUPPORT_ARCH is not negative.
24640 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
24642 * loop.c (verify_dominator): Properly handle ADDR_VEC and
24643 ADDR_DIFF_VEC insns that appear inside loops.
24645 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
24646 Jeff Law <law@cygnus.com>
24648 * rs6000.md (movdf_hardfloat32): Revert previous patch.
24649 Handle LO_SUM the same as offsettable in cases 1 and 2.
24650 * rs6000.c (find_addr_reg): Revert previous patch.
24652 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
24654 * system.h (strstr): New external function declaration.
24655 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
24656 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
24657 * config.in, configure: Rebuilt.
24659 1999-06-24 Tom Tromey <tromey@cygnus.com>
24661 * gcc.c (main): Read user-specified specs files after computing
24662 additional startfile_prefixes.
24664 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
24666 Revert these two patches:
24668 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24669 * loop.c (strength_reduce): When doing biv->giv conversion, update
24670 reg note of NEXT->insn.
24672 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24673 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24675 (recombine_givs): Set ix field after sorting.
24677 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24679 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
24680 for the parts of an UNSPEC / UNSPEC_VOLATILE.
24682 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
24684 *fixinc/inclhack.def: Add fix development commentary
24685 (read_ret_type): reactivate and add selection clause
24686 (zzz_*): tweak output file name to match what is used in hackshell.tpl
24687 *fixinc/{fixincl.x|inclhack.sh}: regen
24689 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
24691 * expr.c (expand_expr): STRIP_NOPS before checking against
24692 MAX_INTEGER_COMPUTATION_MODE
24693 (check_max_integer_computation_mode): Likewise.
24695 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
24697 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
24699 1999-06-22 Jim Wilson <wilson@cygnus.com>
24701 * expr.c (store_expr): When target is a promoted subreg, return a
24702 promoted subreg as a result.
24704 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
24706 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
24708 (dwarf2out_define): Mark unused parameters appropriately.
24709 (gen_unspecified_parameters_die): Ditto.
24710 (gen_subprogram_die): Fix signed/unsigned warnings.
24711 (gen_variable_die): Ditto.
24713 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
24715 * fixinc/inclhack.def(end_else_label): combined else_label
24716 and endif_label and fixed the sed expression.
24717 *fixinc/{fixincl.x|inclhack.sh}: regen
24719 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
24721 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
24722 'x' when handling non-offsettable addresses
24724 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
24726 * final.c (shorten_branches): Don't try to split an insn that has
24729 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
24731 * config/mips/mips.c (symbolic_expression_p): New function.
24732 (mips_select_rtx_section): Put symbolic expressions in the
24733 data section, not the read-only data section.
24735 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
24737 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
24739 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
24741 * collect2.c (main): Log frame table count.
24742 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
24743 (scan_prog_file) [COFF]: Handle frame tables.
24745 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
24746 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
24747 * alpha/elf.h: Undef them again.
24748 * alpha/vms.h: Remove their definitions.
24750 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24752 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
24753 remove the clobber of r0 and change the REG_UNUSED note to
24756 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
24758 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
24759 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
24760 fits in HOST_WIDE_INT and one uses union to access a long constant
24763 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
24765 * sparc.c (sparc_override_options): Don't allow profiling for
24766 code models other than medlow.
24767 (sparc_function_profiler): New function from old FUNCTION_PROFILER
24768 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
24769 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
24770 (sparc_block_profiler): Likewise.
24771 (sparc_function_block_profiler_exit): Likewise.
24772 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
24773 (FUNCTION_BLOCK_PROFILER): Likewise.
24774 (BLOCK_PROFILER): Likewise.
24775 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
24776 (MCOUNT_FUNCTION): New.
24777 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
24778 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
24779 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
24780 (MCOUNT_FUNCTION): New.
24781 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
24782 (BLOCK_PROFILER): Delete.
24783 (MCOUNT_FUNCTION): New.
24785 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
24787 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
24789 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24791 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24794 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24797 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24800 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24803 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
24805 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
24808 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
24810 * i386/djgpp.h (LIB_SPEC): New.
24811 (STARTFILE_SPEC): New.
24813 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
24815 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
24817 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
24820 * system.h (WSTOPSIG): New macro.
24822 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
24824 * c-pragma.c (push_alignment): Don't ignore alignments greater than
24826 (insert_pack_attributes): Take into account member natural
24829 * i386/winnt.c (exports_head): New static variable.
24830 (i386_pe_record_exported_symbol): New function.
24831 (i386_pe_asm_file_end): Use.
24832 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
24833 symbols to be emitted at end of assembly.
24834 (ASM_DECLARE_OBJECT_NAME): Likewise.
24835 (ASM_DECLARE_FUNCTION_NAME): Likewise.
24837 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
24840 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
24842 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
24845 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
24847 * haifa-sched.c (sched_analyze_1): Use free_list instead of
24848 zapping reg_last_uses directly.
24849 (sched_analyze_2, sched_analyze_insn): Likewise.
24850 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
24852 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
24854 * rs6000.md (movdf_hardfloat32): Use worst case insn length
24855 attributes for cases 1 and 2.
24857 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
24859 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
24862 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
24864 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
24866 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
24868 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
24869 PIC_OFFSET_TABLE_REGNUM for general alloaction.
24870 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
24871 must be stacked if it is used for PIC accesses.
24872 * arm.c (use_return_insn): Handle PIC register specially.
24873 (output_return_instruction): Likewise.
24874 (output_func_{prologue,epilogue}): Likewise.
24875 (output_expand_prologue): Likewise.
24877 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
24878 (*strsi_predec): Renamed from *strqi_predec.
24879 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
24880 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
24882 * arm.c (arm_override_options): Remove warning about PIC code
24883 not being supported.
24885 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
24887 * rs6000.c (find_addr_reg): New function.
24888 * rs6000.h (find_addr_reg): Declare.
24889 (offsettable_addr_operand): Delete.
24890 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
24891 from and stores to GPRs.
24893 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
24895 * alpha.c (alpha_expand_block_move): Use get_insns rather than
24896 gen_sequence as argument to emit_no_conflict_block.
24898 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24900 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
24901 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
24902 *fixinc/fixincl.x: regen
24903 *fixinc/inclhack.sh: regen
24905 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
24907 * added support for -mpcrel (PC relative addressing for m68k)
24908 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
24909 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
24910 * m68k.c (print_operand_address): Handle 32-bit PIC case.
24911 (comments for general_src_operand): Add some explanation
24912 about EXTRA_CONSTRAINTS.
24913 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
24914 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
24915 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
24916 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
24917 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
24918 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
24919 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
24920 if not already set.
24921 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
24922 * m68k.h (TARGET_PCREL): New target flag.
24923 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
24924 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
24925 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
24926 contains a SYMBOL_REF. Relax this constraint during reload, since
24927 we want to use the predicates, not reload's built-in concept of a
24928 valid memory address, to control what insns need reloading.
24929 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
24930 operands (essentially 'g', 'm', and 's' under normal circumstances).
24931 * m68k.c (print_operand): Cause printing of pc-relative addresses
24932 to include pc register.
24933 (print_operand_address): Ditto.
24934 (general_src_operand): Accept operands that are not only
24935 general_operands, but are also valid when used as a pc-relative
24937 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
24938 (memory_src_operand): Similar, for memory_operands.
24939 (pcrel_address): New predicate to accept the special case of a
24940 pc-relative address.
24941 * m68k.md (many patterns): Rewrite common SImode, HImode, and
24942 QImode insns to accept *_src_operand instead of *_operand where
24943 pc-relative operands can fit. For example, a pc-relative operand
24944 can be used as a memory source operand for addsi3, but not as a
24945 memory destination.
24946 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
24948 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
24950 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
24951 .thumb_set pseudo op to mark aliases of thumb functions.
24953 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
24955 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
24956 preference to ASM_OUTPUT_DEF, if it is defined.
24958 * tm.texi: Document new, optional target macro
24959 ASM_OUTPUT_DEF_FROM_DECLS.
24961 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24963 * fixincludes: ISCNTL patch
24964 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
24965 (dgux_int_varargs): new for DG/UX
24966 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
24968 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
24970 * invoke.texi (ia32 options): Fix typo.
24972 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24974 * loop.c (strength_reduce): When doing biv->giv conversion, update
24975 reg note of NEXT->insn.
24977 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
24979 * loop.c (move_movables): Note issues with replacing REGs with
24981 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
24983 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
24985 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
24987 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
24988 the reference to `mcount' was not correct for the ELF on FreeBSD.
24990 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24992 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24995 (recombine_givs): Set ix field after sorting.
24997 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
24999 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25000 to safe to extract a subword out of a REG.
25002 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25004 * sh.md (mulsi3): Don't add a no-op move at the end.
25006 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25008 * cse.c (cse_insn): Don't put hard register source into tables for
25009 the last insn of a libcall.
25011 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25013 * loop.c (strength_reduce): Insert sets of derived givs at every
25014 biv increment, even if it's the only one.
25016 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25018 * dwarfout.c (add_incomplete_type): New fn.
25019 (output_type): Call it.
25020 (retry_incomplete_types): New fn.
25021 (dwarfout_finish): Call it.
25023 From Eric Raskin <ehr@listworks.com>:
25024 (output_type): Output types for bases.
25026 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25028 * mips.c (mips_output_conditional_branch): Add `break'
25029 between `default' label and `close braces'.
25031 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25033 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25034 specifications and make it realistic.
25035 (LIB_SPEC): Likewise.
25037 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25039 * config/mips/mips.c (mips_secondary_reload_class): Check for
25040 (PLUS (SP) (REG)) and return appropriate register class.
25041 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25042 Handle (PLUS (SP) (REG)).
25043 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25044 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25045 of emit_insn for tablejump.
25047 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25049 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25050 asm_fprintf format string by itself.
25051 (output_function_profiler): Likewise.
25053 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25055 * combine.c (simplify_logical, case AND): Only call
25056 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25057 or the constant is positive.
25059 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25061 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25062 * configure: Regenerate.
25064 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25066 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25067 require a sub-version #.
25068 * configure: Rebuilt.
25070 1999-06-14 Robert Lipe (robertlipe@usa.net)
25072 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25074 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25076 * c-typeck.c (process_init_element): Detect excess elements in
25077 char array initializer.
25079 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25081 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25083 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25085 * invoke.texi (Option Summary): Add -fpermissive flag.
25087 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25089 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25090 that require PIC code sequences.
25092 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25094 * configure.in: Add new target: thumb-elf.
25095 * configure: Regenerate.
25096 * config/arm/t-thumb-elf: New file: Makefile fragment for
25098 * config/arm/telf.h: New file: Header file for thumb-elf
25101 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25103 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25104 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25105 initializers is some circumstances.
25107 * fixinc/inclhack.def (endif_label): Add additional selector for
25108 more bogus stuff after #endif statements.
25109 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25111 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25113 * i386/cygwin.h (SET_ASM_OP): Define.
25115 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25117 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25119 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25121 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25124 * sh.md (ic_invalidate_line_i): Remove second alternative.
25126 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25128 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25129 test for the presence of valid prototypes. Delete bypass expr.
25130 (ioctl_fix_ctrl): Correct the selection expression.
25131 (no_double_slash): Correct quoting rules
25132 *fixinc/fixincl.x: regen
25133 *fixinc/inclhack.sh: regen
25135 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25137 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25139 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25141 * rs6000.md (movsi_got_internal_mem): Delete.
25142 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25143 (GOT_TOC_REGNUM): Delete.
25144 (PIC_OFFSET_TABLE_REGNUM): Define.
25145 (FINALIZE_PIC): Disable.
25146 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25147 (rs6000_replace_regno): Delete.
25148 (rs6000_finalize_pic): Likewise.
25149 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25151 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25153 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25154 is a note; use <= for the compare; advance P while it is
25157 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25159 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25160 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25162 * varasm.c (remove_from_pending_weak_list): Verify t->name
25163 is non-NULL before passing it to strcmp.
25165 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25167 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25168 the typed arguments are not part of a comment
25169 (ioctl_fix_ctrl): Added a purpose comment
25170 *fixinc/fixincl.x: regenerate
25171 *fixinc/inclhack.sh: regenerate
25173 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25175 * invoke.texi: Add C4x invocation docs.
25177 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25179 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25181 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25183 (c4x_legitimize_reload_address): New function.
25184 * config/c4x/c4x.md: Update docs.
25186 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25188 * fixincludes: Avoid removing '.'.
25189 * fixinc/fixinc.svr4: Likewise.
25190 * fixinc/fixinc.winnt: Likewise.
25191 * fixinc/inclhack.tpl: Likewise.
25192 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25194 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25196 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25198 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25200 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25202 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25205 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25207 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25208 * configure: Regenerate.
25210 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25212 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25215 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25217 * fixinc/inclhack.def (avoid_bool): Also catch
25218 "typedef [unsigned] int bool".
25219 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25221 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25222 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25223 * configure: Rebuilt.
25225 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25227 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25228 such that we can override its definitions if necessary.
25229 (CPP_SPEC): New define. Support processor specific predefines via
25231 (CC1_SPEC): New define. Support processor specific compiler
25232 options via %(cc1_cpu).
25233 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25236 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25238 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25239 between sed's -e flag, and the open-quote following it.
25240 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25242 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25243 Jeffrey A Law (law@cygnus.com)
25245 * varasm.c (assemble_start_function): Remove the function
25246 from the pending weak decls list when we define a function.
25247 (assemble_variable): Similarly for variables.
25248 (weak_finish): Ignore items on the list with a NULL name.
25249 (remove_from_ending_weak_list); New function to "remove" an item
25250 from the pending weak declarations list.
25252 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25254 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25256 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25258 * c-lex.c (GETC): Redefine to call getch.
25259 (UNGETC): Redefine to call put_back.
25260 (putback_buffer): New structure type.
25261 (putback): New static structure.
25262 (getch): New function.
25263 (put_back): New function.
25264 (yylex): Replace unused bytes from bad multibyte character.
25266 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25268 * cpplib.c (do_define): Cast `alloca' return value.
25269 (do_include, do_undef, do_pragma): Likewise.
25270 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25272 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25273 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25275 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25277 * sparc.md (abstf2): This should be an expand.
25278 (split after abstf2_notv9): Fix mode.
25279 (abstf2_hq_v9): New pattern.
25280 (abstf2_v9): Only use when no hard quad.
25281 (absdf2_v9): Fix if target is not the same as source.
25282 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25283 Add correct output constraints.
25285 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25287 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25288 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25290 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25292 * mips.h (mips_output_conditional_branch): New function.
25293 (mips_adjust_insn_length): Likewise.
25294 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25295 (ADJUST_INSN_LENGTH): Likewise.
25296 * mips.c (print_operand): Add `F' and `W' for floating-point
25297 comparison opcodes.
25298 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25300 (mips_adjust_insn_length): New function.
25301 (mips_output_conditional_branch): New function.
25302 * mips.md (length): Adjust attribute definition to handle
25303 conditional branches. Change lengths to bytes, rather than
25304 instructions throughout. Remove length attribute from
25305 instructions whose length is four bytes, and rely on the default
25307 (dslot): Fix typo in comment.
25308 Reword conditional branch patterns to use
25309 mips_output_conditional_branch.
25311 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25313 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25314 (LIB_SPEC): Likewise.
25315 Link with -lprof1_r for -g/-pg.
25317 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25319 * loop.c (check_dbra_loop): Fix change of Jan 19.
25321 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25323 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25324 (STARTFILE_SPEC): Define, override the svr4.h version.
25325 (ENDFILE_SPEC): Likewise.
25327 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25329 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25330 * fixinc/fixincl.x: Regenerated.
25331 * fixinc/inclhack.sh: Regenerated.
25333 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25335 * sh.c (barrier_align): Don't return early for normal branch/barrier
25336 when optimizing for SH2.
25338 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25340 * i386/udk.h (LINK_SPEC): Correct linker search path for
25343 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25345 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25346 (braf_label_ref_operand): Delete.
25347 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25348 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25349 label_ref, and has no predicate.
25350 The patten has a predicate to guard against invalid substitutions.
25351 (dummy_jump): Delete.
25352 (casesi): Update use of casesi_jump_2.
25354 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25356 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25357 *fixinc/fixincl.x: regenerate
25358 *fixinc/inclhack.sh: regenerate
25360 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25362 * dwarf2out.c (add_incomplete_type): New fn.
25363 (gen_struct_or_union_type_die): Call it.
25364 (retry_incomplete_types): New fn.
25365 (dwarf2out_finish): Call it.
25367 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25369 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25370 current block starts with a CODE_LABEL and ends with a CALL and
25371 we can not find all the argument setup instructions for the CALL.
25373 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25375 Revert this change:
25376 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25377 something is a candidate for optimize_bit_field_compare.
25379 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25381 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25383 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25385 * alpha.c (override_options): Thinko in last patch.
25387 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25388 (LIB_SPEC): Recognize -pthread.
25390 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25392 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25393 definition in config/arm/coff.h
25394 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25396 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25398 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25399 fixes that need "file=xxx\n" prepended before invocation
25400 (start_fixer - new): starting the fixer process is complex enough
25401 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25402 (process): uses the new routine; omit usage of putenv()
25403 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25404 * fixinc/fixincl.x: regenerate
25406 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
25408 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
25409 and version #s (1.1 -> 2.96) as needed.
25410 * README.g77: Kill way out of date file in the toplevel directory.
25412 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
25414 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
25415 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
25416 * configure: Rebuilt.
25417 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
25418 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
25419 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
25420 (SWITCH_TAKES_ARG): Likewise.
25421 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
25422 * config/t-freebsd: Moved from config/i386/ so it can used for all
25425 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
25427 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
25429 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
25431 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
25432 * configure: Rebuilt.
25434 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
25436 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
25437 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
25438 * rs6000/rs6000.c (rs6000_file_start): Use putc.
25439 (rs6000_output_load_toc_table): Same.
25440 (output_prolog, output_mi_thunk): Same.
25441 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
25442 (ASM_GLOBALIZE_LABEL): Use putc.
25444 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
25446 * alpha.md (reload_*_help): New patterns and splitters.
25447 (reload_*): Use them.
25448 (mov[qh]i): Likewise.
25450 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
25452 * cccp.c (handle_directive): Handle backslash-newlines in quoted
25455 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
25457 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
25459 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
25461 * flow.c (mark_regs_live_at_end, insn_dead_p,
25462 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
25463 and HARD_FRAME_POINTER_REGNUM special treatment if reload
25464 hasn't run or the frame pointer is needed.
25465 * haifa-sched.c (attach_deaths): Likewise.
25466 * sched.c (attach_deaths): Likewise.
25468 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
25470 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
25471 calculate_can_reach_end returns nonzero.
25473 * configure.in (native gas tests): Search for an assembler in the
25474 same manner that the installed compiler will.
25475 * configure: Rebuilt.
25476 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
25478 * alias.c (find_base_term): Improve handling of addresses
25479 constructed from binary operations.
25481 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
25483 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
25485 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
25487 * function.h (cleanup_label, frame_offset): Declare.
25488 (tail_recursion_label, tail_recursion_reentry): Likewise.
25489 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25490 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
25491 (tail_recursion_label, tail_recursion_reentry): Likewise.
25492 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25494 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
25496 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
25498 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
25499 (MAX_OFILE_ALIGNMENT): Define.
25501 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
25503 * fixincl.c: Replace local include scheme with #includes of
25504 gansidecl.h and system.h.
25505 * procopen.c: Likewise.
25506 * server.c: Likewise.
25508 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
25510 * i386/t-dgux (EXTRA_PARTS): Add crti.o
25511 (crti.o): Add build rule and dependencies.
25512 * fixinc/fixinc.dgux: Use modified _int_varargs.h
25514 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25516 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
25517 (LIB_LINUX_SPEC): Likewise.
25518 (LIB_LINUX_SPEC): Add support for -pthread
25519 (CPP_OS_LINUX_SPEC): Likewise.
25520 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
25523 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
25525 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
25527 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
25528 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
25529 for IEEE math and CC_FCOMI.
25530 (put_jump_code): No IEEE if CC_FCOMI is set.
25532 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25534 * fold-const.c (fold_truthop): Make the field reference unsigned
25535 when converting a single bit compare.
25537 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25539 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
25541 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
25543 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
25544 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
25547 * reload.c (push_reload): Do not call remove_address_replacements
25548 when presented with identical optional reloads.
25550 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
25552 * alpha.h (MASK_FIX, TARGET_FIX): New.
25553 (MASK_*): Reorganize constants.
25554 (CPP_AM_FIX_SPEC): New.
25555 (TARGET_SWITCHES): Add FIX.
25556 (EXTRA_SPECS): Likewise.
25557 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
25558 (SECONDARY_MEMORY_NEEDED): Likewise.
25559 (REGISTER_MOVE_COST): Likewise.
25560 * alpha.c (override_options): Add FIX support. Always use
25561 ALPHA_TP_PROG for ev6.
25562 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
25563 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
25564 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
25566 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
25568 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25569 something is a candidate for optimize_bit_field_compare.
25571 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
25573 * gcc.texi (Passes): Document branch-shortening.
25574 * invoke.texi (Debugging Options): Document the fact that `-dp'
25575 outputs length information for instructions.
25577 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
25579 * flow.c: Revert previous delta.
25581 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
25583 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
25584 FRAME_POINTER_REGNUM.
25585 (mark_set_1): Ditto.
25586 (mark_used_regs): Ditto.
25588 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
25590 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
25591 (GOT_PCREL): New macro. Define to 1 if not already defined.
25592 * arm/elf.h (GOT_PCREL): Define to 0.
25593 * arm.c (arm_finalize_pic): Take into account the setting of
25596 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
25598 * output.h (STRIP_NAME_ENCODING): Provide default definition.
25599 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
25601 * flow.c (mark_set_1): Do not record BLKmode stores as dead
25602 store elimination candidates.
25604 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
25606 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
25609 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
25611 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
25612 Add use of x-aix41-gld.
25614 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
25616 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
25617 (ASM_OUTPUT_DESTRUCTOR): Define.
25619 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
25621 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
25622 last CODE_LABEL in a loop if we have previously passed a jump
25623 to the top of the loop.
25625 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
25627 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
25628 applying Philip's patch.
25630 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
25632 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
25635 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
25637 * loop.c (strength_reduce): Grow reg_single_usage as needed.
25639 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
25641 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
25642 Also remove a useless comment.
25644 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25646 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
25648 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
25650 * collect2.c (main): Only generate import or export file and add
25651 to link arguments if non-empty. Use xmalloc not alloca.
25652 (write_{export,import}_file): Delete.
25653 (write_aix_file): New function.
25654 (locatelib): Use xmalloc not malloc.
25655 (GCC_OK_SYMBOL): Do not check type if aix64.
25657 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
25659 Based on patch by Scott Bambrough and Pat Beirne:
25660 * config/arm/arm.c (making_const_table): New variable.
25661 * config/arm/arm.h (making_const_table): Declare.
25662 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
25664 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
25665 Keep track of when we are building the constant table.
25667 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
25669 * config/arm/arm.c (arm_override_options): Fix erroneous warning
25672 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
25674 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
25677 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
25679 * tm.texi (FUNCTION_ARG): Correct description of a stack element
25682 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
25684 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
25686 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25688 * rs6000.c (output_mi_thunk): Enable full support again.
25690 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25692 * sh.h (BRANCH_COST): Define.
25694 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
25696 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
25698 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
25700 * function.c (assign_stack_local): Align stack slot propertly.
25701 (assign_outer_stack_local): Likewise.
25703 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
25705 * expr.h (lang_expand_constant): Declare.
25706 * toplev.c (lang_expand_constant): Define it.
25707 * varasm.c (output_constant): Use it.
25709 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25711 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
25712 Change function definitions to K&R style.
25714 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25716 * fixinc/fixincl.c: We must not ignore SIGCLD now.
25718 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
25720 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
25721 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
25722 (several places): omit static initialization
25723 (process): use single fd, since only the read fd is used
25724 * fixinc/gnu-regex.c: define 'const' away, if not supported
25725 * fixinc/procopen.c(several places): omit static initialization
25726 * fixinc/server.c: define 'volitile' away, if not supported
25728 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25730 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
25731 asm_fprintf and %L to generate the label name.
25732 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
25733 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
25735 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
25737 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
25738 insn for a conditional jump can not be found.
25740 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
25742 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
25743 on variables in specific sections other than .sbss and .sdata.
25745 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
25747 * stmt.c (expand_return): Call start_cleanup_deferral and
25748 end_cleanup_deferral around conditional code.
25750 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25752 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
25753 filename lists. Utilizes new "krstr" AutoGen function.
25754 * fixinc/fixincl.x: Rebuilt.
25756 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
25758 * i386.c (output_float_compare): Avoid GNU-C extensions.
25760 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
25762 * version.c: Bump to distinguish mainline tree from the
25765 See ChangeLog.1 for earlier changes.