1 2000-04-26 <NeilB@earthling.net>
3 * cpplex.c (spell_other, spell_char): Remove.
5 (token_spelling, trigraph_map): Use unsigned chars.
6 (_cpp_lex_line): Tidy up the switch statement.
7 * cpplib.h: Implement spell_char with spell_string.
10 2000-04-26 <RodneyBrown@pmsc.com>
12 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
13 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
15 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
18 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
19 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
20 dwarf2out_return_save, dwarf2out_return_reg,
21 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
22 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
23 gen_compile_unit_die, dwarf2out_init): Constify a char*.
25 * dwarf2out.h (dwarf2out_init): Likewise.
27 * dwarfout.c (filename_entry, primary_filename, last_filename,
28 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
30 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
31 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
32 dwarf2out_return_reg): Likewise.
34 2000-04-26 Andreas Jaeger <aj@suse.de>
36 * extend.texi (Function Attributes): Fix description of pure
39 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
41 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
42 before calling rest_of_compilation.
44 2000-04-26 Andreas Jaeger <aj@suse.de>
46 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
49 2000-04-25 Richard Henderson <rth@cygnus.com>
51 * cse.c (cse_insn): Emit barrier after unconditional jump.
53 * calls.c (expand_call): Disable tail call generation once
54 rtx_equal_function_value_matters is false.
56 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
59 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
61 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
63 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
65 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
66 is the primary DIE for a member function.
67 (gen_decl_die): Call set_decl_origin_self here.
68 * dwarfout.c (output_decl): And here.
69 * integrate.c (output_inline_function): Not here.
70 Don't clear DECL_INLINE until after calling rest_of_compilation.
71 (set_decl_origin_self): No longer static.
72 * tree.h: Add prototype.
73 * toplev.c (note_deferral_of_defined_inline_function): Only write
74 out abstract instance for actual inlines.
76 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
78 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
79 EXTENDED_REGS only if TARGET_AM33.
80 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
81 SP_REGS to register allocation and reloading unless absolutely
83 (movsi3): Remove special-case of adding non-constants to SP.
85 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
87 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
88 INCLUDES to search and does not provide any of its own. Also it
89 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
90 parameters. Also it does not call AC_DEFINE.
91 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
92 AC_DEFINE and provides for automatic entries for autoheader.
93 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
95 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
96 so we can pass -I flags and include gansidecl.h/system.h in this
99 * acconfig.h: Delete all NEED_DECLARATION_* entries.
101 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
103 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
104 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
105 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
107 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
108 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
109 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
110 for these macros. Clean up spacing and linewraps.
112 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
114 * calls.c (expand_call): Use get_callee_fndecl.
116 * print-tree.c (print_node): Print the chain of an _EXPR.
118 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
119 Jim Wilson <wilson@cygnus.com>
120 Andrew Haley <aph@cygnus.com>
122 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
123 and gp save/restore problems.
124 * config/ia64/crtend.asm: Add IA-64 unwind support.
125 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
126 in fr_pad_size calculation.
127 (save_restore_insns): Move PR save area. Correct uses of
129 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
130 (ia64_expand_epilogue): Add eh_epilogue support.
131 (ia64_function_prologue): Emit .prologue directive.
132 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
133 (ia64_override_options): Set init_machine_status and
135 (rtx_needs_barrier): Handle bsp reads and writes.
136 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
137 New static variables.
138 (process_set, process_for_unwind_directive): New functions.
139 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
140 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
141 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
143 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
144 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
145 (struct machine_function): Define.
146 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
148 2000-04-25 Bruce Korb <bkorb@gnu.org>
150 * fixinc/Makefile.in: make the removal of old programs more
152 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
153 install-bin and install-sh
155 2000-04-25 Nick Clifton <nickc@cygnus.com>
157 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
158 defined, define to return zero.
159 (function_cannot_inline_p): If a function has any target
160 specific attributes, then use the macro
161 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
162 whether it can be inlined. If it cannot, issue a suitable
165 * tm.texi: Add a new node 'Inlining' to document the new macro
166 FUNCTION_ATTRIBUTE_INLINABLE_P.
168 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
170 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
173 2000-04-25 Neil Booth <NeilB@earthling.net>
175 Restore previous patch, plus the following fixes:
177 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
178 flags, not CPP_OPEN_PAREN.
179 * cpplex.c (expand_token_space, init_token_list,
180 cpp_free_token_list): Put the dummy token at list->tokens[-1].
181 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
183 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
185 * config/i386/freebsd.h (INT_ASM_OP): Define.
187 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
189 * loop.c (strength_reduce): Fix typo in the last checkin.
191 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
193 * stor-layout.c (finalize_record_size): Simplify to use existing
195 (compute_record_mode): No longer static.
196 * tree.h (compute_record_mode): New declaration.
198 2000-04-25 Neil Booth <NeilB@earthling.net>
200 * Revert my patch below until cause of build failures
203 2000-04-25 Richard Henderson <rth@cygnus.com>
205 * combine.c (combine_instructions): Add missing argument
208 * toplev.c (rest_of_compilation): Delay sibcall optimization
209 until after emit_eh_context.
211 2000-04-24 Nick Clifton <nickc@redhat.com>
213 * combine.c (combine_instructions): Do not try to combine a
214 sequence of insns when the second insn has been replaced by a
217 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
219 * gcc.c (load_specs): New static function.
220 (read_specs): Use it.
222 * gcc.c (lookup_compiler): Make multiple passes for case
223 insensitive filesystems.
225 2000-04-24 Neil Booth <NeilB@earthling.net>
227 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
228 * cpphash.h (_cpp_check_directive): new.
229 * cpplex.c (handle_newline, cpp_free_token_list,
230 init_trigraph_map, trigraph_ok, trigraph_replace,
231 backslash_start, skip_block_comment, skip_line_comment,
232 skip_whitespace, parse_name, parse_number, parse_string,
233 copy_comment, _cpp_lex_line, spell_char, spell_string,
234 spell_comment, spell_name, spell_other, _cpp_lex_file,
235 _cpp_output_list): new.
236 (expand_name_space): take length argument.
237 (init_token_list): add comment list initialisation.
238 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
239 instead of HSPACE_BEFORE.
241 * cpplib.c (_cpp_check_directive): new
242 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
243 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
244 (HSPACE_BEFORE): delete.
245 (TTYPE_TABLE): rearrange.
246 (struct cpp_toklist): update.
248 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
250 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
251 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
252 argument form of AC_DEFINE.
254 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
255 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
256 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
257 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
258 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
260 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
262 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
264 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
265 deduced.h): Use -isystem, not -I, for including system headers.
267 2000-04-24 Nick Clifton <nickc@cygnus.com>
269 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
270 the source register is the frame pointer or arg pointer.
271 (addsi3_small_int): Disallow if source register is the frame
272 pointer or arg pointer.
274 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
276 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
277 call to AC_MSG_RESULT.
279 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
281 * invoke.texi: Correct grammatical errors, document
282 -fno-gnu-keywords as identical to -fno-asm for C++.
284 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
286 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
287 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
288 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
289 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
290 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
292 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
293 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
294 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
295 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
298 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
300 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
301 (pop_alignment): Likewise.
302 (handle_pragma_token): Likewise.
304 2000-04-24 Robert Lipe <robertlipe@usa.net>
306 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
308 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
310 * combine.c (try_combine): Update reg_nonzero_bits of
311 newi2pat before newpat.
313 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
315 * loop.c (strength_reduce): Simplify test to INSN_P.
316 (record_giv): Attempt to simplify the add value, use CONSTANT_P
317 expressions instead of CONST_INT.
318 (express_from_1): Likewise.
320 2000-04-24 Mark Mitchell <mark@codesourcery.com>
322 * regs.h (reg_n_max): Don't declare.
323 * flow.c (reg_n_max): Don't define.
324 * regclass.c (renumber): Don't initialize to zero.
325 (regno_allocated): Likewise.
327 (allocate_reg_info): Don't initialize unnecessarily.
329 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
331 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
332 and blockage_p in the newly allocated attribute.
334 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
336 * config/mn10300/mn10300.md (addsi): `inc4' on address
337 registers does not modify cc, but `inc' on an extended
340 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
342 * reload.c (find_equiv_reg): Checks all valueno regs
343 as a reload_reg_p regs.
345 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
347 * cpphash.c (collect_objlike_expansion): Add sanity check.
348 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
349 the buffer is the empty string, return. Mark __DATE__ and
350 __TIME__ as XCONST nodes, not MCONST.
351 (_cpp_macroexpand): Avoid pushing an empty buffer.
352 (funlike_macroexpand): Don't pop token_buffer here.
354 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
356 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
357 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
358 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
359 (REGNO_OK_FOR_BASE_P): Define in terms of them.
360 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
361 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
362 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
364 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
366 * loop.c (simplify_giv_expr): Be more agressive on simplifying
369 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
371 * cpphash.h (struct definition): Move file, line, col members...
372 (struct hashnode): ... here. Also add 'disabled' flag.
373 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
374 T_IDENTITY. Remove T_DISABLED.
377 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
378 (collect_expansion): Split into collect_objlike_expansion and
379 collect_funlike_expansion.
380 (_cpp_macroexpand): Split out scan_arguments, stringify, and
382 (_cpp_compare_defs): Rename compare_defs, make static.
383 (_cpp_make_hashnode): Initialize hp->disabled.
384 (macro_cleanup): Adjust for new token types. Clear
386 (_cpp_create_definition): Move code here to determine what
387 sort of macro it is, and code to check for redefinitions, from
388 do_define. Implement a few simple cases without creating a
390 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
391 Handle the simple cases.
392 (push_macro_expansion): Set buf->has_escapes and hp->disabled
395 * cppinit.c (builtin_array): Change MCONST to XCONST
397 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
398 fix check for disabled and function-like macros.
399 * cpplib.c (do_define): Move most logic to
400 _cpp_create_definition.
401 (do_undef): Handle new special token types.
403 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
405 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
406 of CONSTANT_P for mult_val; always use validate_change to update insn.
408 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
410 * cpphash.c (trad_stringify, add_pat): New functions.
411 (collect_expansion): Restore support for -traditional syntax.
412 Use trad_stringify and add_pat.
413 (_cpp_macroexpand): Restore support for -traditional semantics.
414 * cpplex.c (_cpp_scan_line): Don't change space_before if we
416 (_cpp_lex_token): Provide COMMENT tokens to caller if
417 traditional and parsing_define_directive.
418 (skip_comment): Warn about // comments if -Wtraditional.
419 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
421 (do_undef): Don't warn about undefining EMPTY nodes.
423 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
425 * loop.c (strength_reduce): Fix biv removal code.
427 2000-04-22 Richard Henderson <rth@cygnus.com>
429 * predict.c (estimate_probability): Examine both sides of
430 a branch for no exits. Use 90% not 50% for predict taken.
431 Reorg for one copy of note generation code.
433 2000-04-22 Richard Henderson <rth@cygnus.com>
435 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
437 2000-04-22 Richard Henderson <rth@cygnus.com>
439 * diagnostic.c (init_output_buffer): Don't initialize format_args.
440 (output_clear): Likewise.
441 (output_printf): Use va_copy.
442 (vline_wrapper_message_with_location): Likewise.
443 (v_message_with_decl): Likewise.
444 (line_wrapper_printf): VA_START infor buffer.format_args directly.
445 * system.h (va_copy): Provide default implementation.
447 2000-04-22 Richard Henderson <rth@cygnus.com>
449 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
450 the collected condition is not a constant.
452 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
454 * diagnostic.h: New file.
456 * Makefile.in (diagnostic.o): Depends on diagnostic.h
458 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
459 various function prototypes.
460 (diagnostic.h): #include.
461 (struct output_buffer): Move into diagnostic.h.
462 (get_output_prefix): Rename to output_get_prefix. Export.
463 (init_output_buffer): Export. Break out. Ajust intialization.
464 (output_space_left, output_append): Export.
465 (output_newline): Rename to output_add_newline. Export.
466 (output_clear): Nullify additional output_buffer fields.
467 (output_puts): Rename to output_add_string. Export.
468 (dump_output): Rename to output_flush_on. Export.
469 (build_location_prefix): Constify return-type.
470 (emit_output_prefix): Rename to output_emit_prefix. Export.
471 (set_real_maximum_length): New function.
472 (output_set_maximum_length): Ditto
473 (output_clear): Ditto.
474 (output_add_character): Ditto.
475 (output_add_integer): Ditto.
476 (output_add_space): Ditto.
477 (output_format): Ditto.
478 (output_printf): Adjust buffer initialization.
479 (vline_wrapper_message_with_location): Ditto.
480 (v_message_with_decl): Ditto. Adjust call to output_puts
481 and get_output_prefix.
482 (default_print_error_function): Adjust buffer intialization.
484 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
486 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
489 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
491 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
494 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
496 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
497 accurate data about SP moves.
499 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
501 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
502 aliases to AM33 registers.
504 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
506 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
507 to all EXTENDED bitmaps.
509 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
511 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
512 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
513 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
515 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
517 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
518 the operand is not constant.
520 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
522 * reload.c (find_equiv_reg): Checks all valueno and regno regs
523 as a call-clobbered regs.
525 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
527 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
529 * rtl.def: Update comment.
530 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
531 * integrate.c (expand_inline_function): Likewise.
532 * profile.c (branch_prob): Likewise.
533 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
534 * print-rtl.c (print_rtx): Likewise.
535 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
536 (reemit_notes): Likewise; also use enum insn_note.
538 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
539 (place_field): Properly compute know and actual alignment.
541 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
544 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
547 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
549 * cpphash.c (struct arg, struct arglist): Const-ify strings.
550 (warn_trad_stringify, duplicate_arg_p): New helper functions.
551 (collect_expansion): Rewrite to scan over a token list.
552 Remove -traditional support.
553 (collect_formal_parameters): Rename to collect_params; rewrite
554 to scan over a token list.
555 (_cpp_create_definition): Adjust to scan a token list.
556 (_cpp_macroexpand): Remove -traditional support.
557 (_cpp_compare_defs): Whitespace is now canonicalized.
558 (comp_def_part): Delete function.
560 * cpphash.h: Update prototypes.
561 * cpplex.c (init_token_list): Don't set lineno if there is no
563 (pedantic_whitespace): New function.
564 (_cpp_scan_line): Mark tokens that had hspace before. Don't
565 consume a newline. Use pedantic_whitespace.
566 (_cpp_lex_token): Remove support for -traditional macros.
567 (_cpp_get_define_token): Delete.
568 (_cpp_get_directive_token): Do the real work here. Use
570 (_cpp_init_input_buffer): Initialize pfile->directbuf.
572 * cpplib.c (get_macro_name): Delete.
573 (do_define): Read the entire line into pfile->directbuf, then
574 feed the token list to _cpp_create_definition.
575 * cpplib.h (HSPACE_BEFORE): new define.
576 (struct cpp_reader): Add a toklist member, "directbuf".
578 * predict.c (estimate_probability): New heuristic: if a jump
579 branches around a block with no successors, predict it taken.
580 Disentangle control flow.
582 2000-04-20 Richard Henderson <rth@cygnus.com>
584 * loop.c (emit_iv_add_mult): Revert last change.
586 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
588 * cpplib.h (enum cpp_ttype): Add token types for all
589 punctuators. Distinguish pp-numbers from valid C numbers.
590 Give some tokens better names. Initialize from macro.
591 (struct cpp_name, cpp_token, cpp_toklist): New data
594 * cpplex.c (bump_column, expand_name_space,
595 expand_token_space, init_token_list, cpp_output_list,
596 _cpp_scan_line): New functions.
597 (output_line_command): Add third argument, new line number.
598 * cpphash.h: Update prototypes.
599 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
602 2000-04-20 Richard Henderson <rth@cygnus.com>
604 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
606 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
608 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
611 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
613 * loop.c (emit_iv_add_mult): Simplify it's input and emit
614 REG_EQUAL note explaining the calculated value.
616 * calls.c (expand_call): Avoid unnecesary precalculation
617 and outgoing parameters space guarding for sibling calls.
618 (store_one_arg): Likewise.
620 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
622 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
623 (rest_of_compilation): Write sibling dump file and account
624 for time as jump time.
625 * invoke.texi: Update documentation on dump flags.
627 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
629 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
631 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
633 * cpphash.c (special_symbol): Represent an empty macro with
634 "\r \r " not just "\r ".
635 (_cpp_macroexpand): Correct condition for the foo ( ) special
637 (unsafe_chars): Handle EOF as second argument.
638 (push_macro_expansion): Simplify test for removing escape at
639 end. Do not trim both escapes if there is no text in between.
641 2000-04-19 Jim Blandy <jimb@redhat.com>
643 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
644 of PTR_SIZE, when appropriate.
646 2000-04-19 Mark Mitchell <mark@codesourcery.com>
648 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
649 (USE_ENUM_BITFIELDS): Fix typo.
651 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
653 * stor-layout.c (place_field): Set rli->offset_align properly.
655 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
657 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
658 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
659 PARM_BOUNDARY): Remove unnecessary casts.
661 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
663 * calls.c (precompute_arguments): Remove must_preallocate and
665 (expand_call): Update call of precompute_arguments.
667 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
668 check_insn_for_givs): Break out from ...
669 (strength_reduce) ... here; use for_every_insn_in_loop to call
671 * loop.h (for_every_insn_in_loop): Declare.
672 (loop_insn_callback): New type.
674 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
676 * cpplib.c (do_pragma_poison): Strings in the token buffer are
679 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
681 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
684 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
686 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
688 * configure.in: Delete --disable-cpplib option and all
689 references to cpp_main.
690 * configure: Regenerate.
691 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
692 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
693 cccp.o, cccp, or cppmain. Link cppmain.o straight to
694 cpp$(exeext). Add --no-headers to makeinfo command line when
695 generating INSTALL. Install and uninstall cpp.1 manpage, not
697 * install.texi: Delete all references to cexp.y/cexp.c.
698 Delete ancient instructions for compiling GCC on 3b1.
699 * INSTALL: Regenerate.
701 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
702 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
703 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
705 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
706 which is no longer tested anywhere.
708 * cppinit.c (handle_option): Don't run error message through
711 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
713 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
714 * cpperror.c (hashtab.h): Now include.
715 * cppexp.c (hashtab.h): Likewise.
716 * cpplex.c (hashtab.h): Likewise.
717 * cppfiles.c (hashtab.h): Likewise.
718 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
719 to htab_find_slot_with_hash.
720 * cpphash.c (hashtab.h): Now include.
721 (_cpp_lookup_slot): INSERT is now enum insert_option.
722 * cpphash.h (_cpp_lookup_slot): Likewise.
723 * cppinit.c (hashtab.h): Include earlier.
724 (initialize_builtins): Pass enum to htab_find_slot.
725 * cpplib.c (hashtab.h): Now include.
726 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
727 (do_pragma_poison, do_assert): Likewise.
728 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
729 htab_find_slot_with_hash.
730 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
731 * tree.c (type_hash_add): Likewise.
732 (build1): Minor cleanup.
734 * ggc-common.c: Add missing blanks.
735 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
736 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
738 * stmt.c (mark_case_node): New function.
739 (mark_case_nesting): Call it.
741 * expmed.c (emit_store_flag): If comparing two-word integer
742 with zero, can optimize NE, EQ, GE, and LT.
744 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
745 * conflict.c: Minor cleanups.
746 * optabs.c: Add blank line
747 * simplify-rtx.c: Minor cleanups.
749 2000-04-18 Stan Cox <scox@cygnus.com>
751 * gengenrtl.c (genlegend): Fix misspelling.
753 2000-04-18 Robert Lipe <robertlipe@usa.net>
755 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
756 bitfields of the host compiler are not signed quantities.
757 * config.in: Regenerate.
758 * configure: Regenerate.
759 * system.h (USE_ENUM_BITFIELDS): Added.
760 (ENUM_BITFIELDS): Added.
761 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
762 (SHORT_ENUM_BUG): Deleted.
763 * tree.h (tree_common): Members `code', `mode', `built_in_class',
765 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
766 (CODE_FIELD_BUG): Likewise.
767 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
769 * config/m68k/x-ccur (X_CFLAGS): Likewise.
771 2000-04-18 Mark Mitchell <mark@codesourcery.com>
773 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
776 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
778 * cppexp.c (lex): Don't assume tokens are NUL terminated.
779 * cpplib.c (do_include, do_import, do_include_next,
780 read_line_number, detect_if_not_defined): Likewise.
781 * cpphash.c (collect_expansion): Likewise.
782 (special_symbol, _cpp_macroexpand): Check return from
784 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
785 macros. Delete all uses.
787 * gcc.dg/cpp-mi.c: Add two more test cases.
788 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
790 2000-04-17 Richard Henderson <rth@cygnus.com>
792 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
793 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
795 2000-04-17 Mark Mitchell <mark@codesourcery.com>
797 * function.c (expand_function_start): Use hard_function_value to
798 compute the RTL to use for DECL_RESULT.
800 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
802 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
803 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
804 x86_memory_mismatch_stall): New global variables.
805 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
806 alloved; fix load penalties for Athlon.
807 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
808 x86_memory_mismatch_stall): Declare.
809 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
810 TARGET_MEMORY_MISMATCH_STALL): New.
811 * i386.md (athlon scheduling parameters): Fix latencies according to
812 Athlon Optimization Manual.
813 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
815 (fsqrt instruction patterns): Set athlon_decode to direct.
816 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
817 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
818 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
819 and TARGET_PARTIAL_REGISTER_STALL machines.
820 (pushdf_nointeger): New pattern.
821 (pushdf_integer): Rename from pushdf.
822 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
823 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
825 2000-04-17 Richard Henderson <rth@cygnus.com>
827 * loop.c (canonicalize_condition): Add WANT_REG argument.
828 Stop the search if we match it.
829 * expr.h (canonicalize_condition): Update decl.
830 * predict.c (expected_value_to_br_prob): Use it. Track last
832 (find_expected_value): Remove.
834 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
836 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
838 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
839 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
841 * configure.in: Call AC_FUNC_MMAP_FILE.
842 * configure: Regenerate.
843 * config.in: Regenerate.
845 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
846 * fixinc/fixincl.c: Likewise.
848 2000-04-17 Richard Henderson <rth@cygnus.com>
850 * builtins.c (expand_builtin_expect): New.
851 (expand_builtin): Call it.
852 * builtins.def (BUILT_IN_EXPECT): New.
853 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
854 * extend.texi: Document it.
856 * predict.c (expected_value_to_br_prob): New.
857 (find_expected_value): New.
858 * basic-block.h (expected_value_to_br_prob): Declare.
859 * toplev.c (rest_of_compilation): Invoke it.
861 * rtl.h (NOTE_EXPECTED_VALUE): New.
862 (NOTE_INSN_EXPECTED_VALUE): New.
863 * rtl.c (note_insn_name): Update.
864 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
865 cases; handle NOTE_INSN_EXPECTED_VALUE.
867 2000-04-17 Jakub Jelinek <jakub@redhat.com>
869 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
870 leaf sibcall delay slot if flag_pic.
871 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
873 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
875 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
877 * fixproto: If fix-header fails, exit with an error.
879 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
881 * cse.c (struct check_depdendence_data): New.
882 (check_dependence): New function.
883 (invalidate): Use check_depdenence.
885 2000-04-16 Mark Mitchell <mark@codesourcery.com>
887 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
888 UNITS_PER_WORD is unsigned.
890 * tree.h (struct tree_common): Remove misleading comment.
892 2000-04-16 Dave Pitts <dpitts@cozx.com>
894 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
895 message in quotes. Otherwise, IBM's make program treats the '#' as the
896 start of a comment and ignores the remainder of the line.
898 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
900 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
901 * cexp.y (initialize_random_junk): Likewise.
902 * cppfiles.c (find_include_file): Cast alloca return value.
903 * cppinit.c (initialize_standard_includes): Likewise.
904 * cpplib.c (cpp_define, cpp_undef): Likewise.
905 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
906 * final.c (output_asm_insn): Allow for holes in EBCDIC.
907 * fold-const.c (CHARMASK): New.
908 (real_hex_to_f): Use it.
909 * real.c (CHARMASK): New.
910 (etoasc, asctoeg): Use it.
911 (asctoeg): EBCDIC lower case characters preceed upper case.
913 * i370.c (mvs_add_label): Change spacing for coding conventions.
914 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
915 outputing case vectors.
916 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
917 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
918 since vector in in the data CSECT.
919 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
920 * i370.md (Many patterns): Put the length in the XL directives.
921 (movdi): Put back STM and MVC in definition.
922 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
923 pattern using the TCA.
924 * oe.h (CPP_SPEC): Added to allow trigraphs.
925 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
926 not support the "long long" type.
928 2000-04-16 Mark Mitchell <mark@codesourcery.com>
930 * config/mips/mips-protos.h (mips_legitimate_address_p): New
932 (mips_reg_mode_ok_for_base_p): Likewise.
933 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
934 (REG_OK_FOR_INDEX_P): Define unconditionally.
935 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
936 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
937 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
938 that GET_MODE_SIZE is unsigned.
939 (mips_reg_mode_ok_for_base_p): Define.
940 (mips_legitimate_address_p): Likewise. Adjust now
941 that GET_MODE_SIZE is unsigned.
942 (block_move_loop): Make the number of bytes unsigned.
943 (expand_block_move): Likewise.
944 (function_arg): Make the loop counter unsigned to match the
947 2000-04-16 Richard Henderson <rth@cygnus.com>
949 * rtl.h (enum insn_note): New enumeration. Subsume
950 NOTE_INSN_DELETED and friends.
951 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
952 * rtl.c (note_insn_name): Tweak string order.
954 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
956 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
959 * cpplex.c (output_line_command): Remove debugging prints.
960 (cpp_output_tokens): Don't write out a zero-length buffer or
961 try to see if it has a newline in it.
962 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
963 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
964 the end of the loop. Use memmove. Don't read past the end of
965 the buffer. Remove trailing newlines from error messages.
967 2004-04-16 Neil Booth <NeilB@earthling.net>
969 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
970 * cpplib.c: Add new syntax flags to directive table, and
973 2000-04-15 Ulrich Drepper <drepper@redhat.com>
975 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
978 2000-04-15 David Edelsohn <edelsohn@gnu.org>
980 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
981 * haifa-sched.c: Update -fsched-verbose comments to use "=".
983 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
985 * Makefile.in (ggc-page.o): Now includes toplev.h.
986 * ggc-page.c (toplev.h): Now included.
987 (gc_time): Remove declaration.
988 (ggc_collect): TIME now long.
989 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
991 * toplev.h (gc_time, parse_time, gc_time): New declarations.
993 * toplev.c: Make *_time variable long to reduce chance of overflow.
994 (TIMEVAR): Likewise for `otime'.
995 (print_time): Arg is now long; compute percentage in FP and round.
996 * toplev.h (print_time): Arg is long.
998 * tree.c: Minor whitespace changes.
1000 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1001 * configure: Rebuilt.
1002 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1003 (__fixunsxfDI): Renamed from __fixunsxfdi.
1004 (__fixunsdfDI): Renamed from __fixunsdfdi.
1005 (__fixunssfDI): Renamed from __fixunssfdi.
1006 (__floatdisf): Use proper type in REP_BIT macro.
1007 (__fixunsxfSI): Renamed from __fixunsxfsi.
1008 (__fixunsdfSI): Renamed from __fixunsdfsi.
1009 (__fixunssfSI): Renamed from __fixunssfsi.
1010 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1011 Change location of macros and upper-case some names as above.
1012 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1013 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1015 * varasm.c (assemble_variable): Add cast to remove warning.
1016 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1018 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1019 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1020 region number to -1.
1022 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1024 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1025 call unshare_all_rtl.
1027 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1029 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1031 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1032 Use .s1 not .s0 for all FP instructions.
1034 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1036 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1038 (safe_fwrite, output_line_command): New static functions.
1039 (cpp_expand_to_buffer): Now private to cpplib.
1040 (cpp_scan_buffer): Take a printer.
1042 * cpphash.h: Update prototypes.
1043 * cpplib.h: Update prototypes.
1045 (cpp_buffer): Remove last_nominal_fname.
1046 (cpp_reader): Remove lineno.
1048 * cppmain.c: Use a cpp_printer.
1049 * fix-header.c: No need to inhibit line commands. Call
1050 cpp_start_read with no printer.
1052 * cpperror.c (cpp_notice_from_errno): Provide default name.
1053 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1054 (find_include_file, cpp_read_file): Use make_IHASH.
1055 (file_cleanup): Set control_macro and clear
1056 input_stack_listing_current here.
1057 (_cpp_execute_include): Don't output entering-file marker.
1058 * cpphash.c (special_symbol): Look for the line number in the
1059 buffer, not the reader.
1060 (_cpp_macroexpand): No need to disable line commands.
1061 (_cpp_dump_definition): No need to generate line commands.
1062 (dump_hash_helper): Remove excess newline from output.
1063 * cppinit.c (dump_special_to_buffer): No need to generate line
1065 (cpp_printer_init): New.
1066 (cpp_start_read): Take a printer, and start it up if it's not
1067 NULL. No need to generate line commands.
1068 (cpp_finish): Expect no buffers stacked at all. Take a
1069 printer argument, and flush the output buffer if it's not
1071 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1072 Don't put two hashes at the beginning of an assertion.
1073 (cpp_get_token): Don't increment pfile->lineno or emit line
1074 commands here. Return EOF if there's no buffer when we get
1076 * cpplib.c (do_define, skip_if_group):
1077 No need to disable line commands.
1078 (_cpp_output_line_command): Delete function.
1079 (do_line): Don't emit line commands here, but set things up so
1080 they will be emitted if necessary. Use _cpp_fake_ihash to
1081 make unique nominal_fnames if necessary.
1082 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1083 with 0 for column, not -1.
1084 (_cpp_handle_eof): Don't set the control macro here. Don't
1085 clear input_stack_listing_current here. Don't emit line
1088 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1090 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1091 always, use the default SVR4 start address.
1093 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1094 (LINK_SHLIB_SPEC): Define.
1095 (LINK_START_DEFAULT_SPEC): Define.
1096 (LINK_OS_DEFAULT_SPEC): Define.
1098 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1100 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1101 __do_global_ctors to handle constructors.
1102 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1103 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1104 (STARTFILE_MVME_SPEC): Likewise.
1105 (STARTFILE_SIM_SPEC): Likewise.
1106 (ENDFILE_ADS_SPEC): Use crtend.
1107 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1108 (ENDFILE_MVME_SPEC): Likewise.
1109 (ENDFILE_SIM_SPEC): Likewise.
1110 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1111 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1112 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1113 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1114 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1115 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1116 (CRTSTUFF_T_CFLAGS_S): Define.
1117 * config/rs6000/eabi-ctors.c: Delete.
1119 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1122 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1126 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1128 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1129 plus mask size is smaller or equal to the mode size.
1131 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1133 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1136 * expr.c (reload.h): Now included.
1137 (emit_block_move): Set volatile_ok when checking for movstr.
1138 (emit_move_1): Check for replacements in addresses in multi-word case.
1139 * Makefile.in (expr.o): Now includes reload.h.
1141 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1142 Never have a LIBCALL end a basic block.
1143 (find_basic_blocks_1): Likewise.
1144 Reorganize CALL_INSN cases.
1146 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1148 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1150 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1151 completers from mov.ret instruction.
1153 2000-04-14 Richard Henderson <rth@cygnus.com>
1155 * fold-const.c (extract_muldiv): Don't distribute and widen
1156 multiply across plus for non-sizetype unsigned types.
1158 2000-04-14 Richard Henderson <rth@cygnus.com>
1160 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1161 If the original source is dead in the incr insn, it's dead now.
1163 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1165 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1166 see if DECL_BIT_FIELD needs to still be set.
1168 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1170 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1171 print_int_cst_octal with something that's not an INTEGER_CST.
1173 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1174 and not a SUBREG to a FLOAT rtl.
1176 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1178 * emit-rtl.c (try_split): Avoid infinite loop if the split
1179 results in a sequence that contains the original insn.
1181 2000-04-13 Andreas Jaeger <aj@suse.de>
1183 * config/mips/mips.c (expand_block_move): Pass alignment
1184 argument to move_by_pieces in bits, not bytes.
1186 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1187 __pic__ for little endian.
1189 2000-04-13 Andreas Jaeger <aj@suse.de>
1191 * config/i386/i386-protos.h: Add prototype for
1192 uno_comparison_operator.
1194 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1196 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1197 * calls.c (ECF_PURE): New flag.
1198 (emit_call_1): Handle ECF_PURE calls.
1199 (initialize_argument_information): Unset ECF_PURE flag too.
1200 (precompute_arguments): Precompute for ECF_PURE too.
1201 (expand_call): Handle ECF_PURE calls too.
1202 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1203 accept value of 2 as pure function.
1204 (emit_library_call_value, emit_library_call): Rename no_queue argument
1206 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1208 * tree.h (DECL_IS_PURE): New macro.
1209 (struct tree_decl): Add pure_flag.
1210 * c-common.c (enum attrs): Add attribute "pure".
1211 (init_attributes): Initialize attribute "pure"
1212 (decl_attributes): Handle attribute "pure".
1213 * extend.texi (Attribute "pure"): Document.
1214 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1216 (flags_from_decl_or_type): Support attribute "pure".
1218 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1220 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1221 the token except for numbers and identifiers.
1223 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1225 * i386.c (ix86_expand_binary_operator,
1226 ix86_expand_unary_operator): Check no_new_pseudos
1227 instead of reload_in_progress and reload_completed.
1228 (ix86_split_ashldi, ix86_split_ashrdi,
1229 ix86_split_lshrdi): Check no_new_pseudos instead
1230 of reload_completed.
1232 2000-04-12 Jeffrey A Law (law@cygnus.com)
1234 * function.c (purge_addressof): Unshare any shared rtl created by
1235 purge_addressof and its children.
1237 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1239 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1242 2000-04-05 Andreas Jaeger <aj@suse.de>
1244 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1245 not compiling PIC code, add flags for mabi=64.
1246 (SUBTARGET_CPP_SIZE_SPEC): New.
1247 (SUBTARGET_CPP_SPEC): New.
1248 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1249 for MIPS/Linux and lots of code needs these defines.
1251 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1253 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1254 trying the "opposite arithmetic" approach.
1256 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1258 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1259 (struct sh_args): Add new field force_mem.
1260 (INIT_CUMULATIVE_ARGS): Initialize it.
1261 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1263 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1265 * calls.c (expand_call): Do not reverse args in "equal from" field.
1266 (emit_library_call_value_1): Emit_libcall_block for const and pure
1269 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1271 * reload1.c (reload_combine): Don't enable optimization for fixed
1272 registers when encountering a BARRIER.
1274 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1276 * builtins.c (expand_builtin_memcmp): Do expansion even with
1277 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1279 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1280 stack is propertly aligned; add sanity checking for aligned
1282 (expand_library_call_value_1): Add sanity checking for aligned
1285 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1287 * calls.c (emit_library_call_value_1): Change 3rd arg to
1288 locate_and_pad_parm to disregard the setting of partial.
1290 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1292 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1294 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1295 CALL_INSN from the normal case.
1297 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1299 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1300 New global variables.
1301 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1303 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1305 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1306 TARGET_ADD_ESP_8): New macros.
1307 * i386.md: Add peep2s to convert esp adjustments to push and pop
1309 (pushsi_prologue, popsi_epilogue): New patterns.
1311 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1313 * real.c (toe64): Remove stale #endif from the last change.
1315 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1317 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1318 * real.c (toe64): Revert previous change.
1320 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1322 * objc/objc-act.c: Include ggc.h.
1323 (objc_tree_index, objc_global_trees): Convert most of the
1324 static tree variables into a static array with previous names
1326 (objc_ellipsis_node): New variable.
1327 (lang_init): Call objc_act_parse_init and c_parse_init.
1328 Create objc_ellipsis_node.
1329 (build_selector_translation_table): Use objc_ellipsis_node instead
1331 (hack_method_prototype): Likewise.
1332 (get_arg_type_list): Likewise.
1333 (start_method_def): Likewise.
1334 (continue_method_def): Likewise.
1335 (gen_method_decl): Likewise.
1336 (ggc_mark_imp_list): New function.
1337 (ggc_mark_hash_table): New function.
1338 (objc_act_parse_init): New function.
1339 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1340 * c-parse.in (c_parse_init): For objc add roots of objc specific
1341 local tree variables.
1342 * objc/objc-parse.y: Rebuilt.
1343 * objc/objc-parse.c: Rebuilt.
1344 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1346 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1348 * cse.c (delete_trivially_dead_insns): Also delete insns
1349 that copy a register to itself where the destination is
1352 2000-04-11 Richard Henderson <rth@cygnus.com>
1354 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1355 (propagate_block): Initialize them. Use them in parallel instead
1356 of one tmp variable, ie revert much of the 0408 and 0407 functional
1357 changes, but keep the structural changes.
1358 (mark_set_regs): Take new_dead from propagate_block_info instead.
1359 (mark_set_1, mark_set_reg): Likewise.
1360 (mark_used_regs): Likewise with new_live.
1361 (mark_used_reg): Likewise. Revert 0408 change.
1363 2000-04-11 Nick Clifton <nickc@cygnus.com>
1365 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1367 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1369 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1371 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1372 const section to output a CONSTRUCTOR based on the same conditions
1375 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1377 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1378 * pa/pa-protos.h (output_call): Add additional argument indicating
1379 if the call is a sibling/tail call.
1380 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1381 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1382 (function_arg, function_arg_partial_nregs): Likewise
1383 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1384 (emit_move_sequence): Zero extend certain constants as needed
1386 (compute_zdepdi_operands, output_64bit_and): New functions.
1387 (output_64bit_ior, function_arg): Likewise.
1388 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1389 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1390 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1391 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1392 (output_bvb): Likewise.
1393 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1394 (output_call): New argument 'sibcall'. Generate sibcall sequences
1396 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1397 (ouput_arg_descriptor): Do not emit argument descriptors for
1399 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1401 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1402 (FUNCTION_OK_FOR_SIBALL): Define.
1403 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1404 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1405 (CPP_SPEC): Use new spec infrastructure.
1406 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1407 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1408 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1409 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1410 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1411 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1412 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1413 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1414 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1415 (FUNCTION_ARG); Call out to C code.
1416 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1417 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1418 (MIN_UNITS_PER_WORD): Likewise.
1419 * pa/pa.md (cmpdi): New expander.
1420 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1421 (64bit conditional arithmetic): New patterns.
1422 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1423 (movsicc): Not available if modes on all the operands to not match.
1424 (movdicc): New expander and associated patterns.
1425 (64bit branches): New patterns.
1426 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1427 (pre_ldd, post_std): New patterns.
1428 (64bit addil, load low part): New patterns.
1429 (special movsf constant): Not available for TARGET_64BIT.
1430 (movsf, movdf expanders): Force constants into memory.
1431 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1432 (64bit movdf/movdi patterns): New patterns.
1433 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1435 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1436 (adddi3 expander): Allow "arith_operand" for second input.
1437 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1438 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1439 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1440 (muldi3): New expander for TARGET_64BIT.
1441 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1443 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1444 patterns for TARGET_64BIT.
1445 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1446 patterns for TARGET_64BIT.
1447 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1448 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1449 (sibcall_epilogue): New expander.
1450 (casesi): Tweak for TARGET_64BIT.
1451 (call expanders): Set & use the outgoing argument pointer. Use the
1452 64bit call patterns as needed. Add additional arg to output_call.
1453 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1454 (sibcall, sibcall_internal_symref): New expanders.
1455 (sibcall_value, sibcall_value_internal_symref
1456 (interspace_jump): Turn into an expander + matching patterns.
1457 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
1458 * pa/pa64-regs.h: Eliminate trigraph sequences.
1459 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
1461 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
1463 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
1464 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
1465 cpp_token with cpp_ttype everywhere.
1466 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
1467 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
1468 CPP_BUF_COL. Line and column numbers are unsigned int, not
1470 * cpplex.c (cpp_buf_line_and_col): Delete.
1471 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
1472 'long lineno' to 'unsigned int lineno'.
1473 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
1475 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1477 * extend.texi: ISO C99 is not a draft anymore.
1478 * invoke.texi: ISO C++ is not a draft anymore.
1479 * cpp.texi: __cplusplus is required by the ISO standard.
1481 * extend.texi (-fthis-is-variable): Undocument.
1482 * flags.h (warn_template_debugging): Remove declaration.
1483 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
1484 -Wenum-clash, -Wtemplate-debugging): Undocument.
1486 2000-04-10 Nick Clifton <nickc@cygnus.com>
1488 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
1490 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
1492 (ARM_SIGN_EXTEND): Use HOST_UINT.
1493 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
1494 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
1495 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
1496 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
1498 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
1499 (arm_gen_constant): Use HOST_UINT.
1500 (arm_canonicalize_constant): Use HOST_UINT.
1501 (arm_reload_in_hi): Use HOST_UINT.
1502 (arm_reload_out_hi): Use HOST_UINT.
1503 (output_multi_immediate): Use HOST_UINT.
1504 (int_log2): Use HOST_UINT.
1505 (arm_poke_function_name): Use HOST_UINT.
1506 (arm_output_epilogue): Use arm_volatile_func().
1507 (output_thumb_prologue): Use arm_strip_name_encoding().
1509 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1511 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
1512 of sequence point problems.
1514 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
1516 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
1518 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
1520 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1522 * sbitmap.h: Whitespace changes and use upper-case macro args.
1523 (struct simple_bitmap_def): All sizes now unsigned.
1524 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
1525 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
1526 (sbitmap_vector_alloc): Parms and local vars now unsigned.
1527 (sbitmap_zero): Cast bzero arg to PTR.
1528 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
1529 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
1530 loop to make structure clearer.
1531 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
1532 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
1533 (sbitmap_a_and_b_or_c): Likewise.
1534 (sbitmap_intersection_of_succs): Minor cleanups.
1535 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
1536 (sbitmap_union_of_preds): Likewise.
1537 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
1538 (debug_sbitmap): New function.
1540 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
1541 * c-typeck.c (convert_for_assignment): Likewise.
1543 * expmed.c (init_expmed): Don't free objects we make.
1544 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
1546 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
1547 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
1549 * gcse.c (expr_hash_table_size): Now unsigned.
1550 (compute_ae_gen): Local variable `i' now unsigned.
1551 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
1552 (compute_transout, hoist_code): Likewise.
1553 (compute_local_properties): Likewise, also hash_table_size.
1554 (alloc_expr_hash_table): N_INSNS now unsigned.
1555 (delete_null_pointer_checks): Mark arg F as unused.
1557 * regrename.c: Minor cleanups, including chang some variables
1560 2000-04-10 Neil Booth <NeilB@earthling.net>
1562 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
1564 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
1566 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1568 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
1569 __classof__, and __headof__ from the list of gnu keywords.
1570 (-ansi): Remove -foperator-names from list of implied options.
1571 Do not call it ANSI C++.
1572 (-foperator-names): Document as -fno-operator-names.
1574 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
1576 * cpphash.c (timestamp): Delete.
1577 (del_HASHNODE): If type is T_MCONST, free value.cpval.
1578 (special_symbol): Remove unnecessary braces. Remove
1579 T_VERSION. Treat T_STDC like T_CONST unless
1580 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
1581 when one is encountered, then convert them into T_MCONST
1583 * cppinit.c (builtin_array): version_string is T_MCONST.
1584 __STDC__ has a "1" in its cpval. Don't have a terminator
1585 entry. Clean up which entries are dumped.
1586 (initialize_builtins): Only __STDC__ gets the special
1587 -traditional treatment. Count the length of builtin_array.
1588 Render version_string here.
1589 * cpphash.h: Remove T_VERSION. Add T_MCONST.
1590 * cpplib.h (struct cpp_reader): Remove timebuf.
1592 2000-04-09 Richard Henderson <rth@cygnus.com>
1594 * genrecog.c (pred): Update comparison_operator for the unordered
1597 * config/i386/i386.c (no_comparison_operator): Disallow unordered
1599 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
1600 (uno_comparison_operator): New.
1601 (put_condition_code): Handle UNORDERED/ORDERED.
1602 (unsigned_comparison): Likewise.
1603 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
1604 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
1605 (ix86_expand_fp_compare): Use them. Take scratch as argument,
1606 update all callers. Handle all 8 unordered operators.
1607 (ix86_expand_setcc): Lose the unordered argument, update all callers.
1608 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
1609 * config/i386/i386.h (PREDICATE_CODES): Update.
1610 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
1611 (ix86_expand_branch, ix86_expand_setcc): Update.
1612 * config/i386/i386.md (sunordered, sordered): New.
1613 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
1614 (bunordered, bordered): New.
1615 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
1616 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
1617 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
1619 2000-04-09 Philip Blundell <philb@gnu.org>
1621 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
1623 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
1625 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
1626 fix_truncxfhi2): New patterns.
1627 * i386.c (output_fix_trunc): Handle converting to HImode.
1629 2000-04-08 Alex Samuel <samuel@codesourcery.com>
1631 * ssa.c (convert_to_ssa): Eliminate dead code when calling
1633 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
1634 (for_each_successor_phi): Change parameter to basic_block.
1635 (coalesce_regs_in_successor_phi_nodes): Likewise.
1636 (coalesce_regs_in_copies): Likewise.
1637 (compute_coalesced_reg_partition): Use basic_block instead of index.
1638 * rtl.h (convert_to_ssa): Delete.
1639 (convert_from_ssa): Likewise.
1640 (successor_phi_fn): Likewise.
1641 (for_each_successor_phi): Likewise.
1642 (in_ssa_form): Likewise.
1643 * basic-block.h (convert_to_ssa): Moved from rtl.h.
1644 (convert_from_ssa): Likewise.
1645 (successor_phi_fn): Likewise.
1646 (in_ssa_form): Likewise.
1647 (for_each_successor_phi): Likewise. Change parameter to basic_block.
1648 * flow.c (calculate_global_regs_live): Pass a basic_block to
1649 for_each_successor_phi.
1651 2000-04-08 Richard Henderson <rth@cygnus.com>
1653 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
1654 was modified in the current insn.
1656 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1658 * arm/thumb.md: Delete.
1659 * arm/thumb-protos.h: Delete.
1661 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1663 Merge changes from merged-arm-thumb-backend-branch onto trunk.
1665 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1667 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
1670 * arm.md (nop): Use the standard RTL expression. Don't code as a
1672 (*arm_nop, *thumb_nop): Delete.
1674 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
1675 constants. Use casts instead.
1676 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
1677 output_multi_immediate, arm_poke_function_name): Likewise.
1678 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
1679 MASK_RETURN_ADDDR): Likewise.
1681 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
1683 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
1686 * arm.md (eh_epilogue): New function.
1687 * arm.h (struct machine_function): Move to here ...
1688 * arm.c: ... from here.
1689 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
1690 (thumb_exit): Extra parameter eh_ofs. All callers changed.
1691 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
1693 2000-03-30 Nick Clifton <nickc@cygnus.com>
1695 * config/arm/semi.h (ASM_SPEC): Restore definition.
1696 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1698 * config/arm/elf.h (ASM_SPEC): Restore definition.
1699 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1701 * config/arm/arm.h (ASM_SPEC): Remove definition.
1702 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
1704 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
1706 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
1708 2000-03-24 Nick Clifton <nickc@cygnus.com>
1710 Various formating tidyups, elimination of compile time
1711 warnings and synchronisation with internal sources:
1713 * config/arm/arm-protos.h (assemble_align): Add prototype.
1714 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1715 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1716 (arm_return_addr_rtx): Rename to arm_return_addr.
1718 * config/arm/arm.c: Include except.h.
1719 Define shorter typenames for strict minipool_node and struct
1721 (arm_return_in_memory): For WinCE return all structures <= 32 bits
1723 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1724 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1726 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1728 (ASM_SPEC): Define if not already defined.
1729 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1731 * config/arm/arm.md: Rename references to gen_rotated_half_load to
1732 arm_gen_rotated_half_load, and references to gen_comapre_reg to
1733 arm_gen_compare_reg.
1734 (indirect_jump): Only accept register operands.
1735 (load_indirect_jump): Keep this pattern since combine can generate
1738 * config/arm/coff.h: Include aout.h.
1739 (MULTILIB_DEFAULTS): Only define if not already defined.
1741 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
1742 into arm.h (so that COFF ports can support thumb based aliases).
1743 (ASM_SPEC): Move definition into arm.h
1745 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
1746 redundant apcs spec.
1747 (ASM_SPEC): Move definition to arm.h
1749 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
1751 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
1752 for entries in the .bss section
1754 2000-03-23 Nick Clifton <nickc@cygnus.com>
1756 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
1757 to thumb_far_jump_used_p.
1759 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
1760 single integer parameter.
1762 * config/arm/arm.c (struct machine_function): Add two new
1763 fields, 'far_jump_used' and 'arg_pointer_live'.
1764 (thumb_far_jump_used_p): Once the decision has been made that
1765 far jumps might be used, always return true.
1766 If being called from the initial elimination offset macro then
1767 do not bother to perform the test if the arg pointer is not
1769 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
1770 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
1772 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
1774 * arm.c (output_return_instruction): Handle more cases where we can
1775 return from a function with an ldr instruction.
1776 (arm_output_epilogue): Likewise.
1778 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
1779 if we need to push a large stack frame and there are no callee-saved
1782 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
1783 in ARM code if the frame pointer has been eliminated.
1785 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
1786 unspec_volatile arguments to avoid duplicates.
1787 (consttable_1, consttable_2): Fixes for big-endian mode.
1789 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
1792 Re-write constant pool code.
1793 * arm.c (minipool_node, minipool_fix): New types.
1794 (minifix): Delete type.
1795 (arm_add_minipool_constant): Delete.
1796 (arm_compute_minipool_offsets, arm_find_barrier,
1797 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
1798 (get_jump_table_size): Now returns HOST_WIDE_INT.
1799 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
1801 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
1802 (assign_minipool_offsets, arm_print_value): Likewise.
1803 (dump_minipool): Rewrite.
1804 (arm_barrier_cost): New function.
1805 (create_fix_barrier): New function.
1806 (push_minipool_barrier): New function.
1807 (push_minipool_fix): Record additional information about the fixup
1809 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
1810 check the mode of what needs fixing.
1811 (arm_reorg): Rewrite.
1813 2000-03-08 Nick Clifton <nickc@cygnus.com>
1815 * config/arm/arm.md (indirect_jump): Force constant addresses into
1818 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
1820 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
1822 2000-02-24 Nick Clifton <nickc@cygnus.com>
1824 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
1825 adjust is word aligned.
1826 (thumb_expand_epilogue): Make sure that stack adjust is word
1829 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
1831 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
1833 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
1834 pointer relative addresses.
1836 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
1838 * arm.c (find_barrier): Find the last barrier within the allowed
1841 2000-02-09 Nick Clifton <nickc@cygnus.com>
1843 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
1845 2000-02-09 Nick Clifton <nickc@cygnus.com>
1847 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
1848 ARM_FUNCTION_PROFILER.
1850 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
1851 ARM_FUNCTION_PROFILER.
1853 * config/arm/linux-oldld.h: Imported from mainline sources.
1855 2000-02-07 Nick Clifton <nickc@cygnus.com>
1857 * config/arm/lib1funcs.asm: Merge in thumb functions from
1860 * config/arm/lib1thumb.asm: Delete.
1862 2000-02-04 Nick Clifton <nickc@cygnus.com>
1864 * config/arm/arm.c: Sychronised with current Red hat local
1866 * config/arm/arm.h: Ditto.
1867 * config/arm/arm-protos.h: Ditto.
1869 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
1871 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
1873 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
1876 2000-02-02 Nick Clifton <nickc@cygnus.com>
1878 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
1880 * config/arm/arm.md (epilogue): Fix rtl checking abort because
1881 (return) was emited using an emit_insn() call.
1883 2000-01-31 Nick Clifton <nickc@cygnus.com>
1885 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
1887 (thumb_exit): Move frame pointer back into hard frame pointer
1888 register if backtracing is being used.
1890 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
1892 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
1895 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
1897 * config/arm/arm.md (neg_pool_offset): Provide default for new
1899 (arm_movsi_insn): Add neg_pool_offset attribute.
1900 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
1901 rtx for the insn that starts the scan and an unsigned long for its
1902 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
1903 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
1904 instructions in *PINSERTED.
1905 (struct minipool_fixup): Add MIN_ADDRESS elt.
1906 (sort_fixups): Compute it.
1907 (arm_reorg): Changes to support inserting pools before the insn to be
1910 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
1912 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
1913 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
1914 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
1916 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
1918 * config/arm/semi.h (TARGET_VERSION): Do not define if already
1920 (TARGET_DEFAULT): Do not define if already defined.
1922 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
1924 * config/arm/arm.md (anddi3): Allow disjoint source operands.
1925 (iordi3): Allow disjoint source operands.
1926 (xordi3): Allow disjoint source operands.
1927 (negdi2): Permit construction for ARM and Thumb.
1928 (arm_negdi2): Renamed version of old negdi2 pattern.
1929 (thumb_negdi2): New pattern: Only permit non-overlapping
1930 source and destination.
1932 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
1934 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
1935 scratch low register so that it will not be deleted.
1937 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
1939 * config/arm/pe.h (ARM_PE): Define.
1941 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
1942 interfacearm attribute if this is a PE toolchain.
1943 (output_return_instruction): Do not emit anything if the function
1944 has the naked attribute set.
1945 (is_called_in_ARM_mode): If the function has the interfacearm
1946 attribute then return true.
1947 (thumb_expand_prologue): Do not generate a prologue for naked
1949 (thumb_expand_epilogue): Do not generate an epilogie for a naked
1951 (output_thumb_prologue): Do not bother if the function is naked.
1952 Strip PE encoding from function name before emitting.
1954 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
1956 * arm.md (pic_load_addr): Fix constraints.
1958 * arm.md (casesi_insn): Fix mis-applied patch.
1960 * arm.md ("core" function unit): Add rules for single- and
1962 (All TARGET_THUMB patterns): Add "type" attribute information
1964 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
1965 the following insn is a CALL.
1967 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
1969 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
1970 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
1971 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
1973 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
1975 * config/arm/linux-gas.h: oops - this file was missed out when the
1976 branch was created...
1978 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
1980 * thumb.c: Deleted. Move contents to ...
1982 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
1984 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
1987 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
1988 declare a prototype for asm_output_align();
1990 * arm.c (thumb_condition_code): Delete.
1991 (arm_print_operand): Always use arm_condition_code array.
1993 * arm.c (thumb_return_addr_rtx): Delete.
1994 (arm_save_machine_status, arm_restore_machine_status): Delete.
1995 (arm_init_machine_status, arm_mark_machine_status): New functions.
1996 (arm_init_expanders): Update accordingly.
1997 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
1998 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
1999 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2001 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2003 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2005 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2008 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2010 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2011 stack backtrace structure.
2013 * config/arm/arm-protos.h: Add prototypes for functions defined in
2016 * config/arm/arm.c (arm_override_options): Fix selection of
2017 attributes of default processor.
2019 * config/arm/coff.h: Delete needless #include.
2021 * config/arm/pe.c: Delete unused code.
2023 * config/arm/pe.h (CPP_DEFINES): Delete
2024 (SUBTARGET_CPP_SPEC): Define.
2025 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2027 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2029 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2031 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2033 (CAN_DEBUG_WITHOUT_FP): Define.
2034 (FIXED_REGISTERS): Make r11 call-saved.
2035 (CALL_USED_REGISTERS): Likewise.
2036 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2037 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2038 frame-pointer is required.
2039 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2040 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2041 if the target normally needs a stack frame in non-leaf functions.
2042 (use_return_insn): Correct logic for determining when a return
2043 instruction can be used.
2044 (output_return_instruction): Handle the frame-pointer register as
2045 a normal register when not TARGET_APCS_FRAME.
2046 (arm_output_prologue): Likewise.
2047 (arm_output_epilogue): Likewise.
2048 (output_func_epilogue): Likewise.
2049 (arm_expand_prologue): Likewise.
2050 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2052 * arm.c (use_return_insn): No need to check floating point regs if
2054 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2055 the code of value stored in the minipool array.
2056 (arm_add_minipool_constant): Likewise.
2058 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2060 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2062 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2064 * tree.c (tree_expr_nonnegative_p): New function.
2066 * tree.h (tree_expr_nonnegative_p): Declare.
2068 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2069 elide some sign_compare warnings.
2070 (build_conditional_expr): Likewise.
2072 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2074 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2076 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2077 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2078 operand. Abort if a 387 operand has an unsupported size.
2080 2000-04-08 Neil Booth <NeilB@earthling.net>
2082 * cppexp.c (parse_charconst): Null does not end character
2084 * cppinit.c (ISTABLE): Null character handled as whitespace.
2085 * cpplex.c (null_warning): new function.
2086 (skip_string): Emit warning if nulls encountered.
2087 (_cpp_skip_hspace): Emit warning if nulls encountered.
2088 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2092 2000-04-07 Richard Henderson <rth@cygnus.com>
2094 * flow.c (loop_depth): Remove.
2095 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2096 (struct propagate_block_info): New.
2097 (life_analysis): Don't allocate reg_next_use.
2098 (propagate_block_delete_insn): Break out of propagate_block.
2099 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2100 (propagate_block_delete_libcall): Likewise.
2101 (propagate_block): Create a propagate_block_info struct to pass
2102 to subroutines. Allocate one not two temporary regsets. Don't
2103 clobber memory for const calls. Look for clobbers in
2104 CALL_INSN_FUNCTION_USAGE.
2105 (mark_set_regs): Recognize COND_EXEC.
2106 (mark_set_reg): Break out of mark_set_1.
2107 (mark_used_reg): Break out of mark_used_regs.
2108 (mark_used_regs): Recognize COND_EXEC.
2109 (insn_dead_p): Use propagate_block_info struct.
2110 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2111 (find_auto_inc, try_pre_increment_1): Likewise.
2112 (print_rtl_with_bb): Dump regs live at end too.
2113 (count_reg_sets_1): Pass in loop_depth.
2114 (count_reg_sets, count_reg_references): Likewise.
2115 (recompute_reg_usage): Provide it.
2117 2000-04-07 Richard Henderson <rth@cygnus.com>
2119 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2122 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2124 * cpplib.c (do_elif): Skip the rest of the line if we're
2125 not going to bother evaluating it.
2126 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2127 to avoid pointless calls to the lexer.
2129 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2131 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2133 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2135 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2137 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2139 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2141 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2143 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2144 crtend so they can be multilibbed.
2145 (STAGESTUFF): Remove s-crt and s-crtS.
2147 2000-04-07 Richard Henderson <rth@cygnus.com>
2149 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2150 if we discover we need a pseudo and no_new_pseudos is true.
2151 * config/alpha/alpha.md (ne:DI insn): New.
2152 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2154 2000-04-07 Richard Henderson <rth@cygnus.com>
2156 * rtl.def (COND_EXEC): New.
2157 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2158 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2160 * genconfig.c (have_cond_arith_flag): Remove.
2161 (have_cond_exec_flag): New.
2162 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2163 (main): Print HAVE_conditional_execution.
2165 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2166 (sched_analyze_insn, print_pattern): Likewise.
2167 * reload.c (find_equiv_reg): Likewise.
2168 * rtlanal.c (reg_referenced_p): Likewise.
2169 (note_stores, dead_or_set_regno_p): Likewise.
2170 (reg_overlap_mentioned_p): Rewrite to use a switch.
2172 * ggc.h (struct rtx_def): Forward declare.
2174 * print-rtl.c (debug_rtx_range): New.
2175 * rtl.h (debug_rtx_range): Declare.
2177 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2179 * gcse.c (gcse_main): Don't rebuild the CFG here.
2180 (delete_null_pointer_checks): Likewise.
2181 * ssa.c (convert_to_ssa): Likewise.
2182 * toplev.c (rest_of_compilation): Do it here instead. Combine
2183 sequential calls to TIMEVAR. Consistently use `insns' instead of
2184 `get_insns()'. Always split insns after reload when optimizing.
2186 * basic-block.h (merge_blocks_nomove): Declare.
2187 (tidy_fallthru_edge): Declare.
2188 * flow.c (merge_blocks_nomove): Document as merging into previous
2189 blocks. Remove cruft from between blocks; remove all edges out of A.
2190 (tidy_fallthru_edge): Export.
2192 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2194 * ssa.c (compute_conservative_reg_partition): Declare with
2196 * toplev.c (clean_dump_file): Remove previously-deleted function
2197 inadvertantly merged back in.
2198 * conflict.c (conflict_graph_add): Use a single call to
2199 htab_find_slot to look up and insert.
2201 2000-04-06 Richard Henderson <rth@cygnus.com>
2203 * genrecog.c (*): Rename _last_insn to last_insn.
2204 (make_insn_sequence): Set the position of the peephole2 C test
2205 to be at the last insn.
2207 2000-04-06 Richard Henderson <rth@cygnus.com>
2209 * flow.c (compute_flow_dominators): Free worklist.
2211 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2213 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2215 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2217 * rtl.h (INSN_P): New macro.
2218 (successor_phi_fn): New typedef.
2219 (for_each_successor_phi): New prototype.
2220 (in_ssa_form): New variable.
2221 (PHI_NODE_P): Likewise.
2222 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2223 phi nodes in successors.
2224 (mark_used_regs): Add PHI case.
2225 (set_phi_alternative_reg): New function.
2226 (life_analysis): Assert that dead code elimination is not selected
2228 * toplev.c (to_ssa_time): New variable.
2229 (from_ssa_time): Likewise.
2230 (compile_file): Zero to_ssa_time and from_ssa_time.
2231 Print time to convert to and from SSA.
2232 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2233 (print_time): Compute percent fraction as integer.
2234 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2235 (convert_to_ssa): Check if we're already in SSA.
2236 Don't eliminate dead code in life_analysis.
2237 Rerun flow and life analysis at bottom.
2238 (eliminate_phi): Use canonical regnos when adding nodes.
2239 (mark_reg_in_phi): New function.
2240 (mark_phi_and_copy_regs): Likewise.
2241 (convert_from_ssa): Rerun life analysis at top.
2242 Use coalesced partition.
2243 Check for removing a phi node at the end of the block.
2244 (compute_coalesced_reg_partition): New function.
2245 (coalesce_regs_in_copies): Likewise.
2246 (coalesce_reg_in_phi): Likewise.
2247 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2248 (for_each_successor_phi): Likewise.
2249 (rename_context): New struct.
2250 (rename_block): Use a rename_context with rename_insn_1. When
2251 renaming sets of a subreg, emit a copy of the entire reg first.
2252 (rename_insn_1): Treat data as a rename_context *. Save current
2254 (rename_set_data): Add field set_insn.
2255 * Makefile.in (HASHTAB_H): Move up in file.
2256 (OBSTACK_H): New macro.
2257 (collect2.o): Use OBSTACK_H in dependencies.
2258 (sdbout.o): Likewise.
2259 (emit-rtl.o): Likewise.
2260 (simplify-rtx.o): Likewise.
2261 (fix-header.o): Likewise.
2262 (OBJS): Add conflict.o.
2263 (conflict.o): New rule.
2264 * basic-block.h: Include partition.h.
2265 (conflict_graph): New typedef.
2266 (conflict_graph_enum_fn): Likewise.
2267 (conflict_graph_new): New prototype.
2268 (conflict_graph_delete): Likewise.
2269 (conflict_graph_add): Likewise.
2270 (conflict_graph_conflict_p): Likewise.
2271 (conflict_graph_enum): Likewise.
2272 (conflict_graph_merge_regs): Likewise.
2273 (conflict_graph_print): Likewise.
2274 (conflict_graph_compute): Likewise.
2275 * conflict.c: New file.
2277 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2279 * tlink.c (read_repo_files): Don't look for .rpo info for
2282 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2284 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2286 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2288 * config/sh/lib1funcs.asm (___udivsi3_i4):
2289 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2290 only depends on FMOVD_WORKS.
2292 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2294 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2295 make double constant 8-byte aligned.
2297 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2299 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2300 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2301 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2302 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2303 Accept storing GENERAL_REGS into offsetable memory.
2304 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2305 building a TFmode constant other than 0.0L into GENERAL_REGS.
2307 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2309 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2311 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2313 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2314 (macro_cleanup): No need to cast pbuf->macro.
2315 (collect_expansion): Use _cpp_get_define_token. Goto done if
2316 it returns VSPACE. Remove check for trailing space after
2318 (_cpp_create_definition): Don't diddle flags here. Return
2320 (unsafe_chars): Handle c1 being EOF.
2321 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2322 checks. Don't push the buffer till after we're done with
2324 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2325 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2326 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2328 (_cpp_parse_assertion): Don't NUL terminate.
2329 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2330 hspace before calling _cpp_parse_assertion. Remove all sets
2331 of only_seen_white. Treat '\f' as hspace. Don't do anything
2332 special with '\n' here.
2333 (maybe_macroexpand): Handle T_EMPTY hash entries without
2334 pushing a buffer at all.
2335 (cpp_get_token): Handle clearing only_seen_white here. Handle
2336 incrementing the line number here. Clear
2337 potential_control_macro as well as only_seen_white, if
2339 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2340 (_cpp_get_define_token): New function, basically like
2341 _cpp_get_directive_token was but doesn't eat horizontal space.
2342 Don't do anything with only_seen_white here.
2343 (_cpp_get_directive_token): Just call _cpp_get_define_token
2344 repeatedly till it returns non-hspace.
2346 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2347 (conditional_skip, skip_if_group): Return int.
2348 (DIRECTIVE_TABLE): Change origin of all conditional directives
2350 (TRAD_DIRECT_P): New macro.
2351 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2352 an error for a bogus directive, unless -lang-asm. Use
2353 TRAD_DIRECT_P. Loop calling handler functions till one returns
2355 (get_macro_name): Don't diddle flags here.
2356 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2357 Create T_EMPTY nodes for #define macro /* nothing */.
2358 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2359 Use hp->name when calling pass_thru_directive.
2360 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2361 Return the result of conditional_skip and/or skip_if_group.
2362 Don't call _cpp_output_line_command.
2363 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2364 Issue -Wtraditional warnings as appropriate. Don't complain
2365 about unrecognized directives. If we are to stop skipping,
2366 return the number of the directive that ended the skip.
2367 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2368 expansion and line commands while skipping. Return the result
2369 of consider_directive_while_skipping, if nonzero.
2370 (do_endif): Just set potential_control_macro here.
2371 (validate_else): Use _cpp_get_directive_token.
2372 (do_assert, do_unassert): Don't save pointers into the
2373 token_buffer across calls to the lexer. Use
2374 _cpp_get_directive_token.
2376 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2377 pointer, not an offset. Replace 'data', which was a generic
2378 pointer, with 'macro', which points to a struct hashnode.
2379 (cpp_reader): Add 'potential_control_macro' pointer.
2380 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2381 (CPP_BUF_GET, CPP_FORWARD): Delete.
2382 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2383 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2384 ACTIVE_MARK_P): Update.
2385 (_cpp_get_define_token): New internal function.
2386 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2388 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2390 * configure.in: And here.
2391 * configure: Regenerate.
2392 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2393 --enable-libstdcxx-v3 is passed at configure time.
2394 * config.h.in: Regenerate.
2396 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2398 * final.c (final): Use xcalloc to allocate line_note_exists.
2399 * function.c (free_after_compilation): Free the temp_slots.
2400 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2401 (combine_temp_slot): Free temp_slots when they get combined.
2402 (purge_addressof): Fix typo in comment.
2403 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2404 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2406 * ggc.h: Include varray.h.
2407 (ggc_pending_trees): Declare.
2408 (ggc_mark_tree_children): Remove declaration.
2409 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2410 * ggc-common.c (ggc_pending_trees): New variable.
2411 (ggc_mark_roots): Call ggc_mark_trees.
2412 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2413 the ggc_pending_trees.
2414 * Makefile.in (GGC_H): New variable. Use it throughout in place
2417 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2419 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2422 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2424 * sh.c (sh_insn_length_adjustment): New function.
2425 * sh-protos.h (sh_insn_length_adjustment): Declare.
2426 * sh.h (ADJUST_INSN_LENGTH): Use it.
2428 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2430 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2431 from the insn where REG_RETVAL is added.
2432 (emit_no_conflict_block): Ditto.
2434 * md.texi (Standard Names): Clarify when movX is needed.
2436 * combine.c (simplify_comparison) [MINUS]: Do not replace
2437 all (op (minus A B) 0) with (op A B).
2439 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2440 J"orn Rennecke <amylaar@cygnus.co.uk>
2442 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2443 (block_lump_real): Likewise.
2445 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2447 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2448 remaining non-zero debugging masks.
2450 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2452 * basic-block.h (verify_flow_info): Declare.
2453 (flow_loop_outside_edge_p): Declare.
2454 * flow.c (verify_flow_info): Remove declaration.
2455 (clear_log_links, flow_loop_outside_edge_p): Likewise.
2457 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
2459 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
2462 2000-04-05 Jakub Jelinek <jakub@redhat.com>
2464 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
2465 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
2466 seqdi_zero_trunc+1): Allow splits only if registers are
2469 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
2471 * acconfig.h: Add HAVE_GAS_HIDDEN.
2472 * config.in: Regenerated.
2473 * configure.in: Add test for .hidden pseudo-op in gas.
2474 * configure: Regenerated.
2475 * crtstuff.c: Include auto-host.h.
2476 Emit additional .hidden pseudo-op for __dso_handle if the
2477 assembler knows about it.
2479 2000-04-04 Philippe De Muyter <phdm@macqel.be>
2481 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
2482 before freeing argnames.
2483 * cpplib.c (do_ifndef): Cast return value of xstrdup.
2485 2000-04-05 Michael Meissner <meissner@redhat.com>
2487 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
2488 Walton <jonboy@gordian.com> to make memory references with update
2489 work wtih -mregnames.
2491 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2493 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
2494 (regrename_optimize): Rename variables `def_uses' and
2495 `ext_basic_blocks' to avoid conflicts with similarly named
2496 typedefs in traditional C.
2498 * calls.c (initialize_argument_information): Fix typo in previous
2501 2000-04-04 Richard Henderson <rth@cygnus.com>
2503 * regrename.c (consider_available): Test fixed_regs not
2504 PIC_OFFSET_TABLE_REGNUM.
2506 2000-04-04 Geoff Keating <geoffk@cygnus.com>
2508 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
2510 (CRTSTUFF_T_CFLAGS_S): Delete definition.
2511 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
2512 (ENDFILE_LINUX_SPEC): Always use crtend.
2513 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
2514 (powerpc-*-linux-gnu): Likewise.
2515 * configure: Regenerate.
2517 * config/rs6000/eabi.h: Don't include sysv4.h.
2518 (MULTILIB_DEFAULTS): Don't define.
2519 * config/rs6000/eabiaix.h: Don't include eabi.h.
2520 * config/rs6000/eabile.h: Delete.
2521 * config/rs6000/eabilesim.h: Delete.
2522 * config/rs6000/eabisim.h: Don't include eabi.h.
2523 * config/rs6000/linux.h: Don't include sysv4.h.
2524 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
2525 (MULTILIB_DEFAULTS): Don't redefine.
2526 * config/rs6000/rtems.h: Don't include eabi.h.
2527 * config/rs6000/sol2.h: Don't include sysv4le.h.
2528 * config/rs6000/sysv4le.h: Don't include sysv4.h.
2529 * config/rs6000/t-ppc: Delete.
2530 * config/rs6000/t-ppcgas: Correct comment.
2531 * config/rs6000/t-ppcos: Correct comment. Don't build
2532 multilibs for -fPIC, rather use -fPIC -mstrict-align
2534 * config/rs6000/t-ppc: Delete.
2535 * config/rs6000/vxppc.h: Don't include sysv4.h.
2536 * config/rs6000/vxppcle.h: Delete.
2537 * configure.in: Use multiple header files for p2pc ELF targets
2538 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
2539 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
2540 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
2541 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
2542 always available for these platforms.
2544 2000-04-04 Richard Henderson <rth@cygnus.com>
2546 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
2548 2000-04-04 Stan Cox <scox@cygnus.com>
2550 * Makefile.in: Add rules for regrename.o
2551 * regrename.c: New file.
2552 * rtl.h (regrename_optimize): Add prototype.
2553 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
2554 (compile_file, decode_d_option): Add support for -frename-registers.
2555 (rest_of_compilation): Call regrename_optimize.
2556 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
2559 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2561 * Makefile (gccbug): New target.
2562 (doc): Depend on it.
2563 * gcc.texi (Bugs): Link subnodes.
2565 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
2566 Document severities, priorities, and classes in bug form.
2568 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
2570 * cpplex.c (trigraph_map, speccase): Combine into single
2572 (NORMAL, NONTRI): New macros.
2573 (_cpp_read_and_prescan): Change to use unified table. Use
2574 is_hspace to test for whitespace.
2576 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
2577 definition that doesn't provoke the "empty body in an
2578 if-statement" warning.
2580 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
2582 * builtins.c (expand_builtin_strlen): Force the source to
2583 be a memory address.
2585 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2587 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
2589 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2591 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
2592 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
2593 (ECF_IS_CONST): Rename to ECF_CONST.
2594 (special_function_p): Make static, change interface.
2595 (flags_from_decl_or_type, try_to_integrate): Break out from ...
2596 (expand_call) ... here; convert number of variables to flags.
2597 (emit_library_call_vlue_1): Likewise.
2598 (setjmp_call_p): New function.
2599 (initialize_argument_information): Accepts flags as argument;
2601 (precompute_arguments): Likewise.
2602 * tree.h (special_function_p): Remove.
2603 (setjmp_call_p): Add prototype.
2605 2000-04-04 Jakub Jelinek <jakub@redhat.com>
2607 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
2608 so that addresses are offsetable by up to 16 bytes.
2609 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
2610 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
2613 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
2614 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
2615 (movsf): Don't force any constant to memory if target is integer
2617 Move fp_zero_operand check below the const0_rtx check.
2618 (movtf): Likewise. Also allow fp_zero_operand for stores into
2620 (movdf): Likewise. Also allow fp_zero_operand for stores into
2621 memory and into integer hard registers.
2622 (clear_df, clear_dfp, movdf_const_intreg_sp32,
2623 movdf_const_intreg_sp64): Remove.
2624 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
2626 (movdf_no_e_insn_v9_sp32): New pattern.
2627 (movdf_insn_v9only): Remove.
2628 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
2629 (movdf_insn_sp64): Remove.
2630 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
2631 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
2632 (following splits): Rewrite conditions. Add two new splits
2633 for storing 0.0 into memory and registers.
2634 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
2635 (movtf_insn_sp32): Redo constraints and conditions.
2636 (movtf_insn_vis_sp32): New pattern.
2637 (movtf_no_e_insn_sp32): Redo constraints and conditions.
2638 (movtf_insn_hq_sp64): Likewise.
2639 (movtf_insn_hq_vis_sp64): New pattern.
2640 (movtf_insn_sp64): Redo constraints and conditions.
2641 (movtf_insn_vis_sp64): New pattern.
2642 (movtf_no_e_insn_sp64): Redo constraints and conditions.
2643 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
2645 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
2646 -mvis or -m64 to take down the number of various reload patterns.
2648 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
2650 * pa/pa-64.h: New file.
2651 * pa/pa64-regs.h: New file.
2652 * pa/pa64-start.h: New file.
2653 * pa/t-pa64: New file.
2654 * pa/xm-pa64hpux.h: New file.
2656 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2658 * sparc.c (output_restore_regs): Prototype.
2659 (sparc_emit_float_lib_cmp): Constification.
2661 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
2663 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
2666 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
2667 (get_value_hash, hash_rtx): Likewise.
2669 * ssa.c (compute_conservative_reg_partition): Prototype.
2671 * tree.c (mark_hash_entry): Prototype.
2673 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
2675 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
2676 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
2677 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
2679 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
2680 * objc/lang-specs.h: Likewise.
2682 2000-04-03 Neil Booth <NeilB@earthling.net>
2684 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
2685 and SYNTAX_ERROR2. Replace `' in messages with ''.
2686 (op_to_str): Make re-entrant.
2687 (_cpp_parse_expr): Implement new error macros. Use | rather
2688 than || to logically or 2 boolean integers. Simply expression
2689 checking we have a left operand iff needed.
2691 2000-04-03 Nick Clifton <nickc@cygnus.com>
2693 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
2695 2000-04-03 Philip Blundell <philb@gnu.org>
2697 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
2699 2000-04-03 Felix Lee <flee@cygnus.com>
2701 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
2702 (run_shell): Use it.
2704 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
2706 * Makefile.in (stmp-int-hdrs): Make include subdir here...
2707 (stmp-fixproto): ...rather than here.
2709 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
2711 * pa.c (print_operand): Compute 'base' only inside the code paths
2714 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
2716 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
2719 2000-04-03 Philipp Thomas <pthomas@suse.de>
2721 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
2723 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
2725 * Makefile.in (alias.o): Depend on $(TREE_H).
2727 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
2729 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
2731 * cpplib.c (_cpp_handle_directive): Improve warnings for
2732 traditional C and indented directives.
2734 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
2735 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
2736 fixinc/inclhack.def: Indent the # of #include_next one space.
2737 * cp/rtti.c: Un-indent #if and #endif.
2739 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
2740 syntax error, but an error has already been printed.
2741 * cpplex.c (_cpp_parse_assertion): Give a more specific error
2742 message when called with nothing remaining on the line.
2743 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
2744 OTHER token, not an ASSERTION.
2745 * cpplib.c (do_assert): When we create a 'base' node, clear
2746 its aschain pointer.
2748 2000-04-02 Neil Booth <NeilB@earthling.net>
2750 * cppexp.c: New typedef op_t. struct operation and struct
2751 token updated to use it.
2752 (op_to_str): New function.
2753 (_cpp_parse_expr): Error messages modified to use op_to_str.
2755 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2757 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
2758 before checking MUST_PASS_IN_STACK.
2760 2000-04-02 Neil Booth <NeilB@earthling.net>
2762 * cppexp.c: New FINISHED dummy token. Combine operator initial
2763 flags and initial priority into a single constant. New
2764 EQUALITY macro. New operator flag SHORT_CIRCUIT.
2765 (_parse_cpp_expr): Implement new constants. Take left operand
2766 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
2767 parse indicated by reducing FINISHED token. Remove new lines
2768 from cpp_error messages.
2770 2000-04-01 Mark Mitchell <mark@codesourcery.com>
2772 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
2775 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
2777 * cpplib.c: Include symcat.h. Add 'origin' field to struct
2778 directive. Add origin values to DIRECTIVE_TABLE. Generate
2779 the strings and function names on the fly. Take the #sccs
2780 entry out of the table if SCCS_DIRECTIVE is not defined.
2781 (_cpp_handle_directive): Decide if the # was at the beginning
2782 of the line here. Issue -pedantic warnings for extended
2783 directives here. Warn about K+R directives with the #
2784 indented, and C89/extended directives with the # not indented,
2786 (do_import, do_include_next, do_warning, do_ident, do_sccs,
2787 do_assert, do_unassert): Don't issue pedantic warning here.
2789 * cpphash.h: Add CPP_WTRADITIONAL macro.
2790 * cpplib.h (struct cpp_options): Rename warn_stringify to
2791 warn_traditional; update comments.
2792 * cppinit.c (handle_option): Set warn_traditional not
2794 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
2795 CPP_WTRADITIONAL (pfile).
2796 * cpplex.c (_cpp_lex_token): Don't decide if directives should
2797 be ignored in -traditional mode here.
2799 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
2800 to initialize speccase[] and trigraph_map[]. Delete all
2801 references to pfile->input_speccase. Always treat '?' as a
2802 special character. Remove table-initialization code from
2803 _cpp_init_input_buffer.
2805 * cpplib.h (struct cpp_reader): Remove input_speccase field.
2806 * cppinit.c (cpp_cleanup): Don't free input_speccase.
2808 2000-04-01 Richard Henderson <rth@cygnus.com>
2810 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
2811 (mostlyclean): Likewise.
2813 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
2814 (struct dump_file_info, enum dump_file_index, dump_file): New.
2815 (open_dump_file): Take a dump_file_index not a suffix, and a decl
2816 not a string. Clean out file if we havn't yet done so. Do nothing
2817 if the dump isn't enabled.
2818 (close_dump_file): Do nothing if the dump isn't open. Dump
2819 graph data if requested.
2820 (dump_rtl, clean_dump_file): Remove.
2821 (compile_file): Don't clean the dump files. Only finalize .bp dump
2822 if flag_test_coverage or flag_branch_probabilities. Only finalize
2823 .combine dump if optimizing. Iterate over dump_file to finalize the
2825 (rest_of_compilation): Update for open_dump_file/close_dump_file.
2826 Convert all uses of dump_rtl.
2827 (decode_d_option): Iterate over dump_file to implement 'a' and to
2828 locate pass-specific dumps.
2830 2000-04-01 Neil Booth <NeilB@earthling.net>
2832 * cppexp.c: Redefine priority constants.
2833 (_cpp_parse_expr): Replace left and right priority scheme with
2834 single priority logic. Move LOGICAL to same place as COMPARE.
2835 Remove bogus check for multiple unary +/- operators.
2837 2000-04-01 Neil Booth <NeilB@earthling.net>
2839 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
2840 within the switch statement. Binary operations break out of
2841 the switch naturally. '(' tokens handled by forcing
2842 immediate shift. ')' handled by forcing immediate reduce to
2843 the previous '('. New error messages.
2845 2000-03-31 Geoff Keating <geoffk@cygnus.com>
2847 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
2848 part', it's already in use. Use %K instead. Add a return at the
2849 end of what is now %K.
2850 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
2852 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
2854 * builtins.c (expand_builtin_apply): Pass proper parameters to
2855 allocate_dynamic_stack_space.
2856 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
2857 update stack_pointer_delta; do not update arg_size_so_far.
2858 (compute_argument_block_size): Use stack_delta instead of
2859 stack_pointer_pending and arg_size_so_far.
2860 (expand_call): Add sanity checking for stack_pointer_delta;
2861 save and restore stack_pointer_delta for SIB, use
2862 stack_pointer_delta for alignment; do not update arg_space_so_far.
2863 (emit_library_call_value): Use stack_pointer_delta for alignment.
2864 (store_one_arg): Do not update arg_space_so_far.
2865 * explow.c (adjust_stack, anti_adjust_stack): Update
2866 stack_pointer_delta.
2867 (allocate_dynamic_stack_space): Add sanity checking for
2868 stack_pointer_delta.
2869 * expr.c (init_expr, clear_pending_stack_adjust): Clear
2870 stack_pointer_delta.
2871 (emit_push_insn): Update stack_pointer_delta.
2872 * function.h (struct expr_status): Add x_stack_pointer_delta;
2873 remove x_arg_space_so_far.
2874 (arg_space_so_far): Remove.
2875 (stack_pointer_delta): New macro.
2877 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
2879 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
2880 Reorder struct cpp_options and struct cpp_reader for better
2881 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
2882 takes two args. Change all 'char' flags to 'unsigned char'.
2883 Move show_column flag into struct cpp_options. Don't
2884 prototype cpp_options_init.
2885 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
2886 cppinit.c, cpplex.c, cpplib.c:
2887 Replace CPP_OPTIONS (pfile)->whatever with
2888 CPP_OPTION (pfile, whatever), and likewise for
2889 opts = CPP_OPTIONS (pfile); ... opts->whatever;
2891 * cppinit.c (merge_include_chains): Take a cpp_reader *.
2892 Extract CPP_OPTION (pfile, pending) and work with that
2894 (cpp_options_init): Delete.
2895 (cpp_reader_init): Turn on on-by-default options here.
2896 Allocate the pending structure here.
2897 (cl_options, enum opt_code): Define these from the same table,
2898 kept in a large macro. Add -fshow-column and -fno-show-column
2901 * cpperror.c (v_message): If show_column is off, don't print
2904 * cppmain.c: Update for new interface.
2905 * fix-header.c: Likewise.
2907 2000-03-30 Geoff Keating <geoffk@cygnus.com>
2909 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
2911 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
2912 are passed to any invocation of AR_FOR_TARGET.
2913 (AR_CREATE_FOR_TARGET): New macro.
2914 (AR_EXTRACT_FOR_TARGET): New macro.
2915 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
2916 AR_EXTRACT_FOR_TARGET.
2917 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
2918 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
2919 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
2920 AR_EXTRACT_FOR_TARGET to sub-makes.
2922 2000-03-31 Neil Booth <NeilB@earthling.net>
2924 * cppexp.c: Delete SKIP_OPERAND. Correct priority
2926 (_cpp_parse_expr): Check for multiple unary +/- operators.
2927 Correct priorities of ':' and '?'. Treat ')' as having a
2928 value. Ensure conditional expression is not void.
2930 2000-03-31 Mark Mitchell <mark@codesourcery.com>
2932 * alias.c (canon_rtx): Make it global.
2933 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
2935 * cse.c (struct table_elt): Add canon_exp.
2937 (invalidate): Canonicalize expressions only once.
2938 * rtl.h (canon_rtx): Declare.
2940 2000-03-30 Mark Mitchell <mark@codesourcery.com>
2942 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
2943 * alias.c (reg_known_value): Add comments.
2944 (init_alias_analysis): Likewise.
2945 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
2947 (cse_basic_block): Fix typo in comment.
2948 * emit-rtl.c: Include hashtab.h.
2949 (const_int_htab): New variable.
2950 (const_int_htab_hash): New function.
2951 (const_int_htab_eq): Likewise.
2952 (rtx_htab_mark_1): Likewise.
2953 (rtx_htab_mark): Likewise.
2954 (gen_rtx_CONST_INT): Cache all CONST_INTs.
2955 (unshare_all_rtx): Fix formatting.
2956 (init_emit_once): Initialize const_int_htab.
2957 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
2959 * rtl.texi: Document the fact that all CONST_INTs with the same
2962 2000-03-30 Richard Henderson <rth@cygnus.com>
2964 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
2966 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
2968 * configure.in: Comment out --enable-c-cpplib stanza.
2969 * configure: Regenerate.
2971 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2973 * expr.c (store_constructor): Properly compute displacement and
2974 alignment when offset is variable.
2976 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
2977 cases of alignment in bytes.
2979 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
2981 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
2982 since it is used to generate c-parse.y.
2983 * objc-parse.c, objc-parse.y: Regenerated.
2985 * function.c (expand_function_end): Pass alignment argument to
2986 emit_block_move in bits, not bytes.
2988 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2990 * expr.c (move_by_pieces_ninsns): Fix one more missing align
2993 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
2995 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
2996 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
2997 * function.c (assign_parms): Likewise.
2998 * integrate.c (expand_inline_function): Likewise.
2999 * stmt.c (expand_decl): Likewise.
3000 (copy_rtx_and_substitute): Likewise.
3001 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3002 (clear_by_pieces): Fix error in last change.
3003 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3004 * function.h (regno_pointer_align): Now unsigned.
3005 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3007 * config/i386/i386.c (aligned_operand): Likewise.
3008 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3009 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3010 (unaligned_memory_operand): Likewise.
3011 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3012 Also make alignments and sizes unsigned and some whitespace cleanup.
3013 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3015 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3016 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3017 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3018 (expand_builtin_memset): Likewise, but to clear_storage.
3019 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3020 (restore_fixed_argument_area): Likewise.
3021 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3022 (load_register_parameters): Likewise, to emit_group_load.
3023 (expand_call): Likewise, to emit_group_store and emit_block_move.
3024 (emit_library_call_value_1): Likewise, to emit_block_move.
3025 (store_one_arg): Likewise, and to emit_push_insn.
3026 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3027 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3028 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3029 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3030 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3031 (expand_assigment, store_expr, store_constructor_field): Likewise.
3032 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3033 (store_constructor, store_field, get_inner_reference): Likewise.
3034 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3035 (expand_expr, case COMPONENT_REF): Likewise.
3036 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3037 and positions; reindent code.
3038 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3039 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3040 (assign_parms): Likewise to emit_group_store.
3041 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3042 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3043 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3044 (expand_return): Likewise to {extract,store}_bit_field.
3045 * stor-layout.c (get_mode_alignment): Minor cleanup.
3046 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3047 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3049 2000-03-29 Nick Clifton <nickc@cygnus.com>
3051 * config/arm/arm.h: Undo effects of previous delta:
3052 (ASM_SPEC): Do not define.
3053 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3055 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3058 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3060 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3061 only after reading in the primary source file.
3063 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3065 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3066 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3067 or a reference to a va_list.
3068 * builtins.c (stabilize_va_list): Simplify now we don't have to
3069 work around C array address decay.
3070 * c-typeck.c (convert_for_assignment): Handle assignment to
3071 a reference parameter by taking the address of the RHS.
3072 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3073 (va_copy): Likewise.
3074 (__va_copy): Likewise.
3075 * ginclude/varargs.h (va_start): Likewise.
3076 (__va_copy): Likewise.
3078 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3080 * i386/djgpp.h: Remove extraneous "+".
3082 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3084 * calls.c (expand_call): Fix typo in last change.
3086 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3088 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3091 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3093 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3094 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3095 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3096 * tree.c (bit_position, byte_position): Likewise.
3097 * tree.h: Declare new functions.
3099 2000-03-29 Nick Clifton <nickc@cygnus.com>
3101 * config/arm/arm.c: Minor formatting changes/
3102 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3104 (ASM_SPEC): Define if not already defined.
3106 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3108 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3111 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3113 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3114 value, don't output it as unsigned.
3116 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3118 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3120 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3122 * c-common.c (c_common_nodes_and_builtins): Don't special case
3123 cplus_mode when declaring builtin bzero/bcmp, always avoid
3124 prototype arguments.
3126 2000-03-29 Bruce Korb <bkorb@gnu.org>
3128 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3131 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3133 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3134 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3135 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3136 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3137 (save_fixed_argument_area, restore_fixed_argument_area):
3138 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3139 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3140 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3141 (precompute_register_parameters): Avoid #ifdefs on
3142 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3143 (stire_one_args): Likewise.
3144 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3145 (emit_library_call_value_1): Likewise.
3146 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3147 ACCUMULATE_OUTGOING_ARGS.
3148 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3150 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3151 (use_crosses_set_p): Likewise.
3152 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3153 #define ACCUMULATE_OUTGOING_ARGS 1.
3154 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3156 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3158 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3159 (TARGET_SWITCHES): Add push-args, no-push-args,
3160 accumulate-outgoing-args and no-accumulate-outgoing-args.
3161 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3162 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3163 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3165 (emit_push_insn): Likewise.
3166 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3167 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3168 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3169 (STACK_DYNAMIC_OFFSET): Define correctly for both
3170 ACCUMULATE_OUTGOING_ARGS and normal mode.
3171 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3172 * tm.texi (PUSH_ARGS): Document.
3173 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3175 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3177 * flags.h (flag_optimize_sibling_calls): Declare.
3178 * calls.c (expand_call): Fail sibcall when
3179 !flag_optimize_sibling_calls
3180 * invoke.texi (flag_optimize_sibling_calls): Document.
3181 * toplev.c (flag_optimize_sibling_calls): New global variable.
3182 (f_options): Add flag_optimize_sibling_calls.
3183 (rest_of_compilation): Conditionize
3184 optimize_sibling_and_tail_recursive_calls by
3185 flag_optimize_sibling_calls.
3186 (main): Set flag_optimize_sibling_calls for -O2.
3187 * stmt.c (expand_return): Conditionize tail recursion by
3188 flag_optimize_sibling_calls.
3190 2000-03-29 Richard Henderson <rth@cygnus.com>
3192 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3193 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3195 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3197 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3199 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3201 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3203 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3204 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3205 * config/rs6000/aix.h: then modified likewise.
3207 2000-03-28 Richard Henderson <rth@cygnus.com>
3209 * rtl.h: Redistribute enum reg_note documentation.
3210 Kill trailing whitespace.
3211 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3212 Kill trailing whitespace.
3214 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3216 * cppfiles.c (hash_IHASH): Just return i->hash.
3217 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3218 htab_find_with_hash.
3219 (cpp_read_file): Likewise.
3220 (find_include_file): Likewise. Properly initialize
3221 ih->nshort. Share ih->name and ih->nshort if possible.
3222 * cpphash.c (_cpp_calc_hash): New function.
3223 (hash_HASHNODE): Just return h->hash.
3224 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3225 htab_find_with_hash.
3226 * cpphash.h: Prototype _cpp_calc_hash.
3227 * cppinit.c (initialize_builtins): Provide a valid hash
3228 to _cpp_make_hashnode, using _cpp_calc_hash.
3230 * cpphash.c (collect_expansion): # is not a special character
3231 in object-like macros. In -traditional mode, /**/ is not
3232 token paste at the beginning or end of the line.
3233 * cpplib.c (do_include, do_import, do_include_next): If
3234 parse_include fails, return immediately.
3236 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3238 * config/arm/arm.md (return peepholes): Update to reflect the new
3240 * config/arm/arm.c (arm_volatile_func): Also check
3241 current_function_nothrow.
3242 (output_return_instruction, output_func_prologue): Use it.
3243 (arm_output_epilogue, arm_expand_prologue): Likewise.
3245 2000-03-27 Tom Tromey <tromey@cygnus.com>
3247 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3250 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3252 * expr.c (store_constructor): SIZE now signed.
3253 For EXPR_SIZE, don't evaluate size; just needed if constant.
3254 * fold-const.c (fold): Fix a number of cases when folded tree is
3256 * function.c (flush_addressof): Reenable.
3257 * tree.h (flush_addressof): Likewise.
3258 * toplev.c (independent_decode_option): Look at strings_processed.
3259 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3261 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3263 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3264 Allow stack adjustment after function call.
3266 * regmove.c (struct csa_memlist): Make mem field rtx *.
3267 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3268 (try_apply_stack_adjustment): Replace whole MEM rtx.
3269 (combine_stack_adjustments_for_block): Update calls
3270 to record_one_stack_ref.
3272 2000-03-28 Neil Booth <NeilB@earthling.net>
3274 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3275 '\\' rather than a null character, so nulls are not special. Fix
3276 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3277 speed trigraph conversion.
3278 (_cpp_init_input_buffer): Initialize trigraph map.
3280 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3282 * config/i386/i386.c (output_387_binary_op): Correct intel
3283 mode assembly output, and add spaces after commas in AT&T
3284 output. Correct Unixware assembler comment. Document input
3285 constraints. Comment fp operations. Reduce profligate buffer
3286 size. Remove extraneous abort. Localize temp var.
3287 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3288 (output_fix_trunc): Add spaces after commas in assembly output.
3290 2000-03-27 Richard Henderson <rth@cygnus.com>
3292 * i386-protos.h (ix86_match_ccmode): Declare.
3293 * i386.c (ix86_match_ccmode): New.
3294 (ix86_expand_fp_compare): Update for pattern renames.
3295 (ix86_expand_strlensi_unroll_1): Likewise.
3296 * i386.h (EXTRA_CC_MODES): Add CCZ.
3297 (SELECT_CC_MODE): Use it for EQ/NE zero.
3298 * i386.md (cmpsi_ccz_1): New.
3300 (*testsi_ccz_1): New.
3301 (testqi_ccz_1): New.
3302 (cmpsi_ccno_1): Rename from cmpsi_0.
3303 (testsi_ccno_1): Rename from testsi_1.
3304 (testqi_ccno_1): Rename from testqi_1.
3305 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3306 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3307 (*cmphi_0): Use ix86_match_ccmode.
3308 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3309 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3310 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3311 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3312 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3313 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3314 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3315 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3316 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3317 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3318 (appropriate peepholes): Likewise.
3319 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3320 (*subsi_3, *subhi_3, *subqi_3): Remove.
3321 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3322 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3323 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3324 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3325 (x86_shift_adj_1): Use CCZ.
3326 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3328 2000-03-27 Stan Cox <scox@cygnus.com>
3330 * resource.h (mark_resource_type): New.
3331 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3332 find_free_register): Use mark_resource_type.
3333 (mark_set_resources): Change include_delayed_effects
3334 to mark_resource_type.
3335 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3336 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3337 Use mark_resource_type.
3339 2000-03-27 Richard Henderson <rth@cygnus.com>
3341 * i386.md (call_pop_0, call_value_pop_0): New.
3342 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3343 (call_value_pop_1): Likewise.
3344 (call_0, call_value_0): New.
3345 (call_1, call_value_1): Remove constraint from unused arg.
3347 2000-03-27 Nick Clifton <nickc@cygnus.com>
3349 * invoke.texi (Spec Files): Document new spec % command created by
3350 Tom Tromey's recent patch.
3352 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3354 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3357 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3359 * expr.c (expand_assignment): Fix typo in last change.
3361 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3363 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3365 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3366 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3367 and DECL_INLINE if FUNCTION_DECL.
3368 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3369 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3370 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3371 (combine_parm_decls): Likewise.
3372 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3373 * print-tree.c (print_node): Likewise.
3374 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3375 DECL_TRANSPARENT_UNION on proper decl types.
3376 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3377 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3378 DECL_BIT_FIELD of FIELD_DECL.
3379 * tree.h (DECL_RESULT_FLD): New macro.
3381 * expr.c (expand_assignment): Add code to handle variable-sized
3384 2000-03-26 Richard Henderson <rth@cygnus.com>
3386 * calls.c (expand_call): Pass parms not original exp to
3387 optimize_tail_recursion. Mind return value instead of looking
3389 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3390 call_expr. Move checks for call_expr and current_function_decl ...
3391 (expand_return): ... here.
3393 2000-03-26 Tom Tromey <tromey@cygnus.com>
3395 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3396 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3398 (process_command): Use them.
3399 (check_live_switch): Likewise.
3400 (give_switch): Skip ignored switches.
3402 2000-03-26 Jan Hubicka <jh@suse.cz>
3404 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3405 for minimal jump pass test.
3407 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3409 * integrate.c (function_cannot_inline_p): Do inline functions that
3412 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3414 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3415 now a list of TREE_LIST entries, not types.
3416 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3418 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3419 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3421 * config/mips/mips.c (function_arg): Likewise; also remove cast
3422 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3423 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3424 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3425 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3426 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3427 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3428 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3429 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3430 num_adjusts now unsigned.
3431 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3432 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3434 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3435 as is BITPOS variable; use host_integerp and int_bit_position.
3436 (function_arg_record_value_2): Likewise.
3437 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3438 Variable REGNO now unsigned.
3439 (function_arg_record_value): NREGS now unsigned.
3441 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3443 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3445 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3447 * Rework fields used to describe positions of bitfields and
3448 modify sizes to be unsigned and use HOST_WIDE_INT.
3449 * alias.c (reg_known_value_size): Now unsigned.
3450 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3451 (really_start_incremental_init): Use bitsize_zero_node.
3452 (push_init_level, pop_init_level, output_init_element): Likewise.
3453 Use bitsize_unit_node and bitsize_one_node.
3454 (output_pending_init_elements, process_init_element): Likewise.
3455 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
3456 (make_extraction): Position and length HOST_WIDE_INT and unsigned
3457 HOST_WIDE_INT, respectively.
3458 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
3459 (num_sign_bit_copies): Returns unsigned.
3460 BITWIDTH now unsigned; rework arithmetic.
3461 Remove recursive call from arg to MAX.
3462 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
3463 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
3465 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
3466 (find_split_point, expand_compound_operation, make_extraction): LEN
3467 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
3468 (make_field_assignment): Likewise.
3469 (combine_simplify_rtx): Add cast.
3470 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
3471 (force_to_mode): WIDTH now unsigned; add cast.
3472 (if_then_else_cond): SIZE now unsigned.
3473 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
3474 (extended_count): Now returns unsigned.
3475 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
3476 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
3477 (simplify_comparison): MODE_WIDTH now unsigned.
3478 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
3479 (mark_used_regs_combine): Likewise; rework arithmetic.
3480 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
3481 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
3482 (record_promoted_value): REGNO now unsigned.
3483 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
3484 (get_last_value): REGNO now unsigned.
3485 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
3486 (reg_dead_regno, reg_dead_endregno): Now unsigned.
3487 (remove_death): Arg REGNO now unsigned.
3488 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
3489 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
3491 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
3492 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
3493 (struct cse_reg_info): REGNO now unsigned.
3494 (cached_regno): Now unsigned.
3495 (REGNO_QTY_VALID_P): Add cast.
3496 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
3497 (remove_invalid_regs): Likewise.
3498 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
3499 as are variables END and I.
3500 (get_cse_reg_info, insert): Likewise.
3501 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
3502 (canon_hash): Likewise.
3503 (insert_regs, lookup_for_remove): REGNO now unsigned.
3504 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
3506 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
3507 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
3508 * emit-rtl.c (subreg_realpart_p): Add cast.
3509 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
3510 (operand_subword_force): Arg I is now unsigned.
3511 * except.c (eh_regs): Variable I is now unsigned.
3512 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
3513 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
3514 length is unsigned HOST_WIDE_INT; likewise for internal variables.
3515 (store_split_bit_field, extract_fixed_bit_field): Likewise.
3516 (extract_split_bit_field, store_bit_field, extract_bit_field):
3518 * expr.c (store_constructor_fields, store_constructor, store_field):
3519 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
3520 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
3521 (do_jump): Likewise.
3522 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
3523 MAX_SIZE is now unsigned.
3524 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
3525 (emit_group_store): Likewise.
3526 (emit_move_insn): I now unsigned.
3527 (store_constructor): Use host_integerp, tree_low_cst, and
3529 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
3530 Rework all calculations to use trees and new fields.
3531 * expr.h (promoted_input_arg): Regno now unsigned.
3532 (store_bit_field, extract_bit_field): Adjust types of pos and size.
3533 (mark_seen_cases): Arg is HOST_WIDE_INT.
3534 * flow.c (verify_wide_reg_1): REGNO now unsigned.
3535 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
3536 precisions and alignments are unsigned.
3537 (optimize_bit_field_compare, fold_truthop): Likewise.
3538 (int_const_binop): Adjust threshold for size_int_type_wide call.
3539 (fold_convert): Likewise.
3540 (size_int_type_wide): Make table larger and fix thinko that only
3541 had half of table used.
3542 (all_ones_mask_p, fold): Precisions are unsigned.
3543 * function.c (put_reg_info_stack): REGNO is unsigned.
3544 (instantiate_decl): Size is HOST_WIDE_INT.
3545 (instantiate_virtual_regs): I is unsigned.
3546 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
3547 (promoted_input_arg): REGNO is unsigned.
3548 * function.h (struct function): x_max_parm_reg is now unsigned.
3549 * gcse.c (max_gcse_regno): Now unsigned.
3550 (struct null_pointer_info): min_reg and max_reg now unsigned.
3551 (lookup_set, next_set): REGNO arg now unsigned.
3552 (compute_hash_table): REGNO and I now unsigned.
3553 (handle_avail_expr): regnum_for_replacing now unsigned.
3554 (cprop_insn): REGNO now unsigned.
3555 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
3556 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
3557 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
3558 * hard-reg-set.h (reg_class_size): Now unsigned.
3559 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
3560 * jump.c (mark_modified_reg): I now unsigned; add cast.
3561 (rtx_equal_for_thread_p): Add cast.
3562 * loop.c (max_reg_before_loop): Now unsigned.
3563 (struct_movable): REGNO now unsigned.
3564 (try_copy_prop): REGNO arg unsigned.
3565 (regs_match_p): XN and YN now unsigned.
3566 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
3567 (strength_reduce): Likewise; NREGS also unsigned.
3568 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
3569 * loop.h (struct iv_class): REGNO now unsigned.
3570 (max_reg_before_loop, first_increment_giv, last_increment_giv):
3572 * machmode.h (mode_size, mode_unit_size): Now unsigned.
3573 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
3574 * optabs.c (expand_binop): I and NWORDS now unsigned.
3575 (expand_unop): I now unsigned.
3576 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
3577 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
3578 * real.c (significand_size): Now returns unsigned.
3579 * real.h (significand_size): Likewise.
3580 * regclass.c (reg_class_size): Now unsigned.
3581 (choose_hard_reg_mode): Both operands now unsigned.
3582 (record_reg_classes): REGNO and NR now unsigned.
3583 (reg_scan): NREGS now unsigned.
3584 (reg_scan_update): old_max_regno now unsigned.
3585 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
3586 * reload.c (find_valid_class): BEST_SIZE now unsigned.
3587 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
3588 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
3589 Likewise for variable R.
3590 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
3591 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
3592 (find_equiv_reg): Add casts.
3593 (regno_clobbered_p): Arg REGNO now unsigned.
3594 * reload.h (struct reload): NREGS now unsigned.
3595 (refers_to_regno_for_reload_p): Regno args are unsigned.
3596 (regno_clobbered_p): Likewise.
3597 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
3598 (compute_use_by_pseudos): REGNO now unsigned.
3599 (find_reg): I and J now unsigned, new variable K, and change loop
3600 variables accordingly; THIS_NREGS now unsigned.
3601 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
3602 (spill_hard_reg): REGNO arg now unsigned; add casts.
3603 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
3604 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
3605 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
3606 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
3607 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
3608 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
3609 (emit_reload_insns): REGNO now unsigned.
3610 (reload_cse_move2add): Add cast.
3611 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
3613 * resource.c (mark_referenced_resources, mark_set_resources): New
3614 variable R; REGNO and LAST_REGNO now unsigned.
3615 (mark_target_live_regs): J and REGNO now unsigned.
3616 * rtl.c (mode_size, mode_unit_size): Now unsigned.
3617 * rtl.h (union rtunion_def): New field rtuint.
3618 (XCUINT): New macro.
3619 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
3620 (operand_subword, operand_subword_force): Word number is unsigned.
3621 (choose_hard_reg_mode): Operands are unsigned.
3622 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
3623 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
3624 (regno_use_in, combine_instructions, remove_death): Likewise.
3625 (reg_scan, reg_scan_update): Likewise.
3626 (extended_count): Return is unsigned.
3627 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
3628 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
3629 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
3630 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
3631 (reg_reg_last_1): FIRS and LAST now unsigned.
3632 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
3633 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
3635 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
3636 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
3637 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
3638 (replace_regs): Arg NREGS now unsigned.
3639 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
3640 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
3641 (simplify_binary_operation): Likewise.
3642 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
3643 THIS_LAST now unsigned.
3644 (cselib_record_set): Add cast.
3645 * ssa.c (ssa_max_reg_num): Now unsigned.
3646 (rename_block): REGNO now unsigned.
3647 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
3649 (all_cases_count): Just return -1 not -2.
3650 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
3651 Rework tests to use trees whenever possible.
3652 Use host_integerp and tree_low_cst.
3653 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
3654 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
3655 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
3656 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
3657 (smallest_mode_for_size): Likewise.
3658 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
3659 KNOWN_ALIGN is now an alignment, so simplify code.
3660 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
3661 (start_record_layout): Renamed from new_record_layout_info.
3662 Update to new fields.
3663 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
3665 (place_union_field): Renamed from layout_union_field.
3666 Update to use new fields in rli.
3667 (place_field): Renamed from layout_field.
3668 Major rewrite to use new fields in rli; pass alignment to layout_decl.
3669 (finalize_record_size): Rework to use new fields in rli and handle
3671 (compute_record_mode): Rework to simplify and to use new DECL fields.
3672 (finalize_type_size): Make rounding more consistent.
3673 (finish_union_layout): Deleted.
3674 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
3675 (layout_type, case RECORD_TYPE): Call new function names.
3676 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
3677 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
3678 (get_best_mode): UNIT is now unsigned; remove casts.
3679 * tree.c (bit_position): Compute from new fields.
3680 (byte_position, int_byte_position): New functions.
3681 (print_type_hash_statistics): Cast to remove warning.
3682 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
3683 (build_index_type): Likewise; make subtype of sizetype.
3684 (build_index_2_type): Pass sizetype to build_range_type.
3685 (build_common_tree_nodes): Use size_int and bitsize_int to
3686 initialize nodes; add bitsize_{zero,one,unit}_node.
3687 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
3688 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
3689 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
3690 (DECL_FIELD_BITPOS): Deleted.
3691 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
3692 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
3693 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
3694 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
3695 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
3696 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
3697 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
3698 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
3699 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
3700 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
3701 (DECL_ALIGN): Adjust to new field in union.
3702 (DECL_OFFSET_ALIGN): New field.
3703 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
3704 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
3705 (union tree_decl): Add struct for both aligns.
3706 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
3707 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
3708 (struct record_layout_info): Rework fields to have offset
3709 alignment and byte and bit position.
3710 (start_record_layout, place_field): Renamed from old names.
3711 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
3712 (byte_position, int_byte_position): Likewise.
3713 (get_inner_reference): Change types of position and length.
3714 * unroll.c (unroll_loop): New variable R; use for some loops.
3715 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
3716 (calculate_giv_inc): Arg REGNO now unsigned.
3717 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
3718 * varasm.c (assemble_variable): Clean up handling of size using
3719 host_integerp and tree_low_cst.
3720 (decode_addr_const): Use byte, not bit, position.
3721 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
3722 use tree_low_cst and int_bit_position.
3723 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
3725 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
3727 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
3728 (reorder_block_def): New members eff_head and eff_end.
3729 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
3730 (verify_insn_chain): New function.
3731 (skip_insns_between_block): Add code to skip deleted insns.
3732 Check for note before using.
3733 (chain_reorder_blocks): Replace calls to skip_insns_between_block
3734 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
3735 Check for note before using.
3736 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
3737 (fixup_reorder_chain): Restructure, clean up, defect removal.
3738 (reorder_basic_blocks): Remove last_insn and references to it.
3739 Moved insn chain verification code into a new function (see above).
3740 Delete defective code that sets last insn.
3741 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
3744 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3746 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
3748 2000-03-24 Richard Henderson <rth@cygnus.com>
3750 * tree.c (lang_safe_for_unsave): Remove.
3751 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
3752 allowing for two levels of unsafeness. Remove lang hook.
3753 * tree.h: Update declarations.
3754 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
3755 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
3756 Always fail sibcalls when there are pending cleanups.
3758 2000-03-24 Geoff Keating <geoffk@cygnus.com>
3760 * flow.c (propagate_block): When we delete an ADDR_VEC,
3761 also delete the BARRIER following it if there is one.
3763 2000-03-24 Richard Henderson <rth@cygnus.com>
3765 * builtins.c (expand_builtin_bzero): Convert `length' argument
3768 2000-03-24 Jakub Jelinek <jakub@redhat.com>
3770 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
3771 comparison if regno's are equal.
3772 * calls.c (initialize_argument_informat): Add ecf_flags argument.
3773 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
3774 (expand_call): Update caller.
3775 Avoid making a sibling call if argument size of the callee is larger
3776 than argument size of the caller.
3777 Call hard_function_value with outgoing set if in sibcall pass.
3778 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
3780 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
3781 Change LEAF_REGISTERS from an array initializer to actual array
3782 identifier. Move static global variable into the function.
3783 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
3784 sequences for leaf functions.
3785 * global.c (global_alloc): Likewise.
3786 * tm.texi (LEAF_REGISTERS): Update documentation.
3788 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
3789 TARGET_FLAT leaf disabling hack.
3790 (LEAF_REGISTERS): Changed from an array initializer to actual array
3791 identifier to avoid duplication and remove the above hack.
3792 (FUNCTION_OK_FOR_SIBCALL): Define.
3793 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
3794 always like call attribute.
3795 (eligible_for_sibcall_delay): New attribute.
3796 (sibcall): New delay type.
3797 (sibcall, sibcall_value, sibcall_epilogue): New expands.
3798 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
3799 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
3800 * config/sparc/sparc.c (sparc_leaf_regs): New array.
3801 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
3803 (output_function_epilogue): Move part of the code into
3804 output_restore_regs.
3805 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
3807 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
3810 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
3811 until infrastructure is finished.
3813 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
3815 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
3816 (save_parm_insns): Not here.
3818 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3820 * builtins.c (expand_builtin_bzero): New function.
3821 (expand_builtin): Handle bzero.
3823 * builtins.def: Add BUILT_IN_BZERO.
3825 * c-common.c (c_common_nodes_and_builtins): Provide builtin
3826 prototype & function for bzero.
3828 2000-03-23 Michael Meissner <meissner@redhat.com>
3830 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
3831 change adding TARGET_FP to the TF floating point insns, except for
3832 trunctfsf2, which generates direct calls to truncdfsf2.
3834 2000-03-23 Geoff Keating <geoffk@cygnus.com>
3836 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
3837 try to protect against middle-end changes that break binary
3839 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
3841 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3843 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
3845 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3847 * calls.c (expand_call): If TARGET is passed by reference and
3848 is readonly, write a CLOBBER.
3850 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3852 * builtins.c (expand_builtin): Handle bcmp.
3854 * builtins.def: Add BUILT_IN_BCMP.
3856 * c-common.c (c_common_nodes_and_builtins): Provide builtin
3857 prototype & function for bcmp.
3859 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
3861 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
3862 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
3863 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
3865 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
3867 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
3868 alternative when using -fp64 -gp32.
3870 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
3872 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
3873 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
3874 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
3876 * frame.h (frame_state): Revert last change.
3877 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
3878 * libgcc2.c (throw_helper): Revert last change.
3880 2000-03-22 Richard Henderson <rth@cygnus.com>
3882 * stmt.c (expand_asm_operands): Don't promote the temporary.
3884 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3886 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
3887 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
3888 c_get_alias_set): Likewise.
3889 * c-decl.c (duplicate_decls): Likewise.
3890 * c-typeck.c (default_conversion,build_unary_op): Likewise.
3891 * calls.c (initialize_argument_information): Likewise.
3892 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
3894 * dwarfout.c (decl_class_context,output_type): Likewise.
3895 * expr.c (get_inner_reference): Likewise.
3896 * fold-const.c (simple_operand_p,fold): Likewise.
3897 * function.c (aggregate_value_p): Likewise.
3898 * stmt.c (expand_asm_operands): Likewise.
3899 * varasm.c (named_section): Likewise.
3901 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
3903 Implement dwarf2 exception handling for the ARM.
3904 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
3905 (DWARF_FRAME_RETURN_COLUMN): Define.
3906 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
3907 REG_FRAME_RELATED_EXPR note.
3908 (emit_sfm): Likewise.
3909 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
3910 * dwarf2out.c (reg_save): Handle saving a register to itself.
3911 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
3912 * except.c (eh_regs): Don't use the static chain reg if it's
3914 * frame.h (frame_state): Add cfa_saved field.
3915 * frame.c (execute_cfa_insn): Set it.
3916 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
3918 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
3920 (instantiate_virtual_regs): Adjust.
3922 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
3923 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
3924 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
3926 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
3927 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
3929 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3931 * builtins.def: New file.
3933 * Makefile.in (TREE_H): Depend on builtins.def.
3935 * builtins.c (built_in_names): Use builtins.def.
3937 * tree.h (built_in_function): Likewise.
3939 2000-03-22 Mark Mitchell <mark@codesourcery.com>
3941 * tree.c (size_in_bytes): Return size_zero_node, not
3944 2000-03-22 Geoff Keating <geoffk@cygnus.com>
3946 * config/fp-bit.c (pack_d): Correct the case when a denormal
3947 is rounded up and stops being denormal.
3949 2000-03-21 Richard Henderson <rth@cygnus.com>
3951 * config/alpha/alpha.c (function_arg): Check for void_type_node
3952 before using MUST_PASS_IN_STACK.
3954 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
3956 * regmove.c (combine_stack_adjustments_for_block): Check that
3957 the stack pointer is a valid memory address.
3959 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
3961 * calls.c: re-install Mar 16 emit_library_call merge.
3963 2000-03-21 Jakub Jelinek <jakub@redhat.com>
3965 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
3966 we cannot be sure that if reload_completed base register will
3967 be properly aligned.
3969 2000-03-21 Richard Henderson <rth@cygnus.com>
3971 * flow.c (delete_block): Fix typo last change.
3973 2000-03-21 Mark Mitchell <mark@codesourcery.com>
3975 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
3976 not COMPLETE_TYPE_P, to check the type of the expression.
3978 2000-03-21 Michael Meissner <meissner@redhat.com>
3980 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
3981 all floating point insns that just tested the macro
3982 TARGET_HAS_XFLOATING_LIBS.
3983 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
3984 used to only use the gprs.
3986 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
3988 * tree.h (COMPLETE_TYPE_P): New macro.
3989 (COMPLETE_OR_VOID_TYPE_P): New macro.
3990 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
3991 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
3992 * c-aux-info.c (gen_type): Use them.
3993 * c-common.c (c_expand_expr_stmt): Likewise.
3994 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
3995 grokdeclarator, grokparms, finish_struct, start_function,
3996 store_parm_decls, combine_parm_decls): Likewise.
3997 * c-parse.y (cast_expr): Likewise.
3998 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
3999 c_size_in_bytes, c_alignof, build_component_ref,
4000 build_indirect_ref, build_array_ref, convert_arguments,
4001 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4002 * calls.c (initialize_argument_information): Likewise.
4003 * convert.c (convert_to_integer): Likewise.
4004 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4005 * dwarfout.c (location_or_const_value_attribute,
4006 output_enumeration_type_die, output_structure_type_die,
4007 output_union_type_die, output_type): Likewise.
4008 * expr.c (safe_from_p, expand_expr): Likewise.
4009 * function.c (assign_parms): Likewise.
4010 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4011 * tree.c (build_array_type, build_function_type,
4012 build_method_type, build_offset_type, build_complex_type): Likewise.
4013 * c-parse.c, c-parse.h: Regenerated.
4015 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4017 * config/c4x/rtems.h: Include config/rtems.h.
4019 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4021 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4022 decl is a FUNCTION_DECL
4024 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4026 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4027 function uses output registers. Don't save RP for leaf functions.
4028 Do save RP even if no epilogue.
4029 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4030 (CALL_USED_REGISTERS): Unmark in registers.
4031 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4034 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4036 * config/rs6000/rs6000.md (bunordered): New expander.
4037 (bordered): New expander.
4038 (buneq): New expander.
4039 (bunge): New expander.
4040 (bungt): New expander.
4041 (bunle): New expander.
4042 (bunlt): New expander.
4043 (bltgt): New expander.
4045 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4046 (ccr_bit_negated_p): New function.
4047 (print_operand): For %C, generate appropriate cror for UNEQ,
4048 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4050 2000-03-20 Andreas Jaeger <aj@suse.de>
4052 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4055 * tree.h (safe_for_unsave): Prototype.
4057 2000-03-20 Richard Henderson <rth@cygnus.com>
4059 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4060 (combine_stack_adjustments_for_block): Don't allow sp references
4061 in the side of a set we're not fixing up.
4062 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4063 after life_analysis.
4065 2000-03-20 Richard Henderson <rth@cygnus.com>
4067 * calls.c (expand_call): Don't bother generating tail call
4068 sequences if there are pending cleanups. Use
4069 expand_start_target_temps/expand_end_target_temps to elide
4070 cleanups created during sibcall expansion.
4072 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4074 * configure.in: Set $IFS to a value if it doesn't already have one
4075 in the --enable-checking handling.
4076 * configure: Regenerate.
4078 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4080 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4081 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4084 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4086 * jump.c (delete_noop_moves): Remove code attempting to
4087 combine stack adjustments.
4089 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4091 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4092 * except.c (emit_cleanup_handler): Use them.
4093 (expand_end_all_catch): Likewise.
4094 * function.c (fixup_var_refs): Likewise.
4095 (expand_function_end): Clear catch_clauses_last.
4096 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4097 * except.h (struct eh_status): New field x_catch_clauses_last.
4098 (catch_clauses_last): New define.
4100 * Makefile.in (tree.o): Depend on HASHTAB_H.
4101 * tree.c: Include hashtab.h.
4102 (struct type_hash): Remove next field.
4103 (TYPE_HASH_SIZE): Remove.
4104 (TYPE_HASH_INITIAL_SIZE): New define.
4105 (type_hash_table): Change type to htab_t.
4106 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4107 mark_hash_entry): New functions.
4108 (init_obstacks): Allocate type hash.
4109 (type_hash_lookup): Use htab functions.
4110 (type_hash_add, mark_type_hash): Likewise.
4111 (dump_tree_statistics): Call print_type_hash_statistics.
4113 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4115 * rs6000/t-aix41: New file.
4117 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4119 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4121 * tm.texi (Driver): Fix typos and tweak entry for
4123 Move misplaced STRUCT_FORCE_BLK entry ...
4124 (Storage Layout): ... to here.
4125 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4127 2000-03-19 Richard Henderson <rth@cygnus.com>
4129 * flow.c (delete_block): Delete the addr_vec along with the block.
4130 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4133 * fold-const.c (extract_muldiv): Apply type check for defined
4134 overflow to multiply as well as divide.
4136 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4138 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4140 * emit-rtl.c (remove_unncessary_notes): Check that all
4141 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4142 associated NOTE_BLOCK.
4143 * function.h (identify_blocks): Update comments.
4144 (reorder_blocks): Declare.
4145 * function.c (identify_blocks): Don't take paramters.
4146 (reorder_blocks): Don't take parameters.
4147 * loop.h (find_loop_tree_blocks): Remove.
4148 (unroll_block_trees): Likewise.
4149 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4150 reorder_blocks instead of unroll_block_trees.h
4151 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4152 * stmt.c (find_loop_tree_blocks): Remove.
4153 (unroll_block_trees): Likewise.
4154 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4155 in whole-function mode.
4156 * tree.h (reorder_blocks): Remove declaration.
4158 * expr.c: Include intl.h.
4159 * Makefile.in (expr.o): Depend on intl.h.
4161 2000-03-18 Richard Henderson <rth@cygnus.com>
4163 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4165 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4167 * tree.h (tree_index): Remove enumerals for integer types.
4168 (integer_type_kind): New type.
4169 (integer_types): New variable.
4170 (char_type_node): Adjust.
4171 (signed_char_type_node): Likewise.
4172 (unsigned_char_type_node): Likewise.
4173 (short_integer_type_node): Likewise.
4174 (short_unsigned_type_node): Likewise.
4175 (integer_type_node): Likewise.
4176 (unsigned_type_node): Likewise.
4177 (long_integer_type_node): Likewise.
4178 (long_unsigned_type_node): Likewise.
4179 (long_long_integer_type_node): Likewise.
4180 (long_long_unsigned_type_node): Likewise.
4181 * tree.c (integer_types): New variable.
4182 (init_obstacks): Register it as a root.
4184 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4186 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4187 NEXT_INSN. Update last insn in chain.
4189 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4191 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4192 with TYPE_DECL_SUPPRESS_DEBUG set.
4194 2000-03-18 Richard Henderson <rth@cygnus.com>
4196 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4198 2000-03-18 Richard Henderson <rth@cygnus.com>
4200 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4201 care for HALF_PIC_P.
4202 (expander_call_insn_operand): Remove.
4203 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4204 * i386.h (PREDICATE_CODES): Update.
4205 * i386.md (all call expanders): Remove predicates, remove special
4206 handling for half-pic.
4207 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4208 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4209 (sibcall_epilogue): New.
4211 2000-03-17 Richard Henderson <rth@cygnus.com>
4213 * rtlanal.c (single_set): Reject if the parallel has anything
4214 except SET or USE or CLOBBER.
4216 2000-03-17 Jeff Law <law@cygnus.com>
4217 Richard Henderson <rth@cygnus.com>
4219 * Makefile.in (OBJS): Add sibcall.o.
4221 * sibcall.c: New file.
4222 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4223 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4224 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4225 Emit sibcall patterns when requested. Update all callers.
4226 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4227 elimination seems feasable.
4228 * final.c (leaf_function_p): Sibling calls don't discount being
4230 * flow.c (HAVE_sibcall_epilogue): Provide default.
4231 (find_basic_blocks_1): Sibling calls don't throw.
4232 (make_edges): Make edge from sibling call to EXIT.
4233 (propagate_block): Don't remove sibcall_epilogue insns.
4234 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4235 (sibcall_epilogue): New.
4236 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4237 (identify_blocks_1): Likewise. Break out from ...
4238 (identify_blocks): ... here.
4239 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4240 (reorder_blocks): ... here.
4241 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4242 (record_insns): Extend a varray instead of mallocing new memory.
4243 (contains): Read a varray not array of ints.
4244 (sibcall_epilogue_contains): New.
4245 (thread_prologue_and_epilogue_insns): Emit and record
4246 sibcall_epilogue patterns.
4247 (init_function_once): Allocate prologue/epilogue varrays.
4248 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4249 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4251 (save_for_inline_nocopy): ... here.
4252 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4254 (expand_inline_function): ... here.
4255 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4256 (subst_constants): Handle 'n' formats.
4257 * jump.c (jump_optimize_minimal): New.
4258 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4259 optimizations if it's set.
4260 * rtl.c (copy_rtx): Do copy jump & call for insns.
4261 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4262 (SIBLING_CALL_P): New.
4263 (sibcall_use_t): New.
4264 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4265 Invoke optimize_sibling_and_tail_recursive_calls.
4266 * tree.c (lang_safe_for_unsave): New.
4267 (safe_for_unsave): New.
4268 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4270 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4271 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4272 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4274 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4276 * objc/objc-act.c (encode_method_prototype): Pass types, not
4277 PARM_DECLs, to int_size_in_bytes.
4279 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4281 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4283 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4284 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4286 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4288 * Clean up usages of TREE_INT_CST_LOW.
4289 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4290 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4292 * c-tree.h (min_precision): Move declaration to here.
4293 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4294 (build_unary_op, add_pending_init): Use bit_position.
4295 (pending_init_member, process_init_element): Likewise.
4296 (really_start_incremental_init, push_init_level, pop_init_level):
4297 Don't make copies of nodes or modify them in place, use consistent
4298 types when tracking positions, and use tree routines computations.
4299 (set_init_index, output_init_element): Likewise.
4300 (output_pending_init_elements, process_init_element): Likewise.
4301 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4302 tree_low_cst and int_bit_position; also minor cleanup.
4303 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4304 (print_cst_octal): Precision is unsigned.
4305 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4306 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4307 (simple_type_align_in_bits): Result is unsigned int.
4308 Use tree_int_low_cst and host_integerp.
4309 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4310 (field_byte_offset): Result is HOST_WIDE_INT.
4311 Change types of internal variables so alignments are unsigned int,
4312 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4313 Use host_integerp, tree_low_cst, and int_bit_position.
4314 (add_bit_offset_attribute): Likewise.
4315 (add_data_member_location_attribute): Use tree_cst_low.
4316 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4317 (add_bit_size_attribute): Use tree_low_cst.
4318 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4319 * dwarfout.c: Similar changes to dwarf2out.c.
4320 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4321 * genoutput.c (n_occurences): Return -1 for null string.
4322 (strip_whitespace): Accept null string and make into function.
4323 (scan_operands): Reflect above changes.
4324 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4325 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4326 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4327 * tree.c (int_size_in_bytes): Check for too big to represent.
4328 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4329 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4331 (min_precision): Delete from here.
4332 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4333 and int_bit_position.
4334 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4335 (encode_method_def): Likewise.
4336 (build_ivar_list_initializer): Use int_bit_position.
4337 (generate_shared_structures): Convert size.
4338 (encode_type, encode_complete_bitfield): Use integer_zerop.
4339 (encode_bitfield): Use tree_low_cst and int_bit_position.
4341 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4343 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4345 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4347 * call.c (special_function_p): It is only malloc if it returns
4350 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4352 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4353 (C33_FLAG, TARGET_C3X): Add macros.
4354 (TARGET_SWITCHES): Add -m33 option.
4355 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4357 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4359 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4360 (PARALLEL_PACK_FLAG): Delete.
4361 (TARGET_SWITCHES): Update.
4362 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4364 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4366 * fold-const.c (fold): Fix a few cases when the returned result
4367 is not of the same type as the input.
4369 2000-03-16 Nick Clifton <nickc@cygnus.com>
4371 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4374 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4376 * libgcc2.h: Move prototypes above macros with the same name.
4377 Wrap some function prototypes in the conditional which indicates
4378 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4380 2000-03-16 Richard Henderson <rth@cygnus.com>
4382 * calls.c: Revert last two changes.
4384 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4386 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4387 has exponent 0 is a zero.
4389 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4390 HASH may already be nonzero. Add code/mode into hash value
4391 immediately after repeat label.
4392 (cselib_lookup): Don't leave the hash table in an inconsistent
4393 state before a hash lookup operation.
4395 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4397 * i386.md (all HI and QI mode non-move patterns): Conditionize
4398 by TARGET_[HQ]IMODE_MATH.
4399 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4400 x86_promote_qi_regs): Declare.
4401 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4402 TARGET_PROMOTE_QI_REGS): New macros.
4403 (PROMOTE_MODE): New macro.
4404 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4405 x86_promote_qi_regs): New global variables.
4407 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4409 * calls.c (emit_library_call_value_1): Break out from ...; handle
4410 VOIDmode function calls too.
4411 (emit_library_call_value): ... here.
4412 (emit_library_call): Implement by calling emit_library_call_value_1.
4414 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4416 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4417 Update arg_space_so_far on stack adjustments.
4418 (emit_library_call, emit_library_call_value): Likewise; take into
4419 account arg_space_so_far and pending_stack_adjust when calculcating
4422 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4424 * flow.c: Move all basic block reordering code into its own file.
4425 (create_basic_block): Externalize.
4426 * bb-reorder.c: New file. Copy all basic block reordering code from
4427 flow.c to this file.
4428 (reorder_basic_blocks): Fix fencepost error in for-loop.
4429 (reorder_basic_blocks): Remove braces from single statement for-loops.
4430 * basic-block.h: Add declaration for create_basic_block.
4431 * Makefile.in: Add rules for bb-reorder.o.
4433 2000-03-16 Neil Booth <NeilB@earthling.net>
4435 * cppinit.c (handle_option): Implement #unassert directive
4436 as -A- command line option.
4437 (print_help): Update.
4438 * cpptexi.c: Update.
4440 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4442 * md.texi (Standard Names): Document `jump'.
4444 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4446 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4449 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4451 Merge changes from newppc-branch onto trunk.
4453 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4455 * rs6000.c (toc_hash_table): Update for new hash table functions.
4456 (toc_hash_function): Likewise.
4457 (toc_hash_eq): Likewise.
4458 (toc_hash_mark_entry): Likewise.
4459 (toc_hash_mark_table): Likewise.
4460 (output_toc): Likewise.
4461 (rs6000_add_gc_roots): Likewise.
4463 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4465 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
4466 (AR_FLAGS_FOR_TARGET): here. New macro.
4468 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
4470 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
4471 fpmem_operand) Delete.
4473 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
4474 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
4475 (rs6000_save_machine_status, rs6000_restore_machine_status,
4476 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
4477 references to above variables.
4478 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
4479 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
4480 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
4481 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
4482 (XER_REGNO_P, XER_REGNO): New.
4483 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
4484 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
4485 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
4487 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4488 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
4489 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
4491 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4493 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
4494 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
4495 * rs6000.h: from here.
4497 * rs6000-protos.h (rs6000_select_section): Provide prototype.
4498 (rs6000_select_rtx_section): Likewise.
4499 (rs6000_encode_section_info): Likewise.
4500 (sdata_section): Likewise.
4501 (sdata2_section): Likewise.
4502 (sbss_section): Likewise.
4503 * sysv4.h (rs6000_select_section): Delete prototype.
4504 (rs6000_select_rtx_section): Likewise.
4505 (rs6000_encode_section_info): Likewise.
4506 (sdata_section): Likewise.
4507 (sdata2_section): Likewise.
4508 (sbss_section): Likewise.
4509 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
4511 * sysv4.h: Delete various unnecessary #undef's and put a comment
4512 on the remaining ones.
4513 Change various comments according to coding standard.
4515 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
4517 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
4518 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
4519 (CR0_REGNO_P) Remove.
4520 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
4521 setup_incoming_varargs, mtcrf_operation, print_operand,
4522 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
4523 Use the above macros.
4525 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
4527 * config/rs6000/rs6000.md: Added a new alternative for each
4528 pattern that had a 'x' alternative but no 'y' alternative.
4529 Added a new split for each of the above patterns.
4531 2000-02-18 Geoff Keating <geoffk@cygnus.com>
4533 * aix41.h (ASM_CPU_SPEC): Delete.
4534 (CPP_CPU_SPEC): Delete.
4536 * aix.h (RS6000_OUTPUT_BASENAME): Define.
4537 (ASM_OUTPUT_LABEL): Define.
4538 (ASM_GLOBALIZE_LABEL): Define.
4539 (STRIP_NAME_ENCODING): Define.
4540 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
4541 (STRIP_NAME_ENCODING): Don't define.
4542 (ASM_OUTPUT_LABEL): Don't define.
4543 (ASM_GLOBALIZE_LABEL): Don't define.
4544 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
4545 names, and ASM_OUTPUT_LABEL to output labels, rather than
4547 (ASM_OUTPUT_LABEL): Define.
4548 (ASM_OUTPUT_INT): Use assemble_name.
4549 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
4550 (STRIP_NAME_ENCODING): Don't undefine first.
4551 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
4553 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
4554 specified with 'asm' even with -fleading-underscore.
4555 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
4556 (output_epilog): Likewise.
4557 (output_toc): Likewise.
4558 * tramp.asm: Handle -fleading-underscore correctly.
4560 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
4562 (nonlocal_goto_receiver): Delete.
4563 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
4565 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
4566 (SET_ASM_OP): Define.
4567 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
4569 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
4572 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
4573 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
4575 * rs6000.h: Add 'u' to more constants.
4577 2000-02-18 David Edelsohn <edelsohn@gnu.org>
4579 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
4581 2000-02-15 David Edelsohn <edelsohn@gnu.org>
4583 * rs6000.c (reg_or_u_cint_operand): New function.
4584 (logical_operand): Handle 64-bit hosts.
4585 (logical_u_operand): New function.
4586 (non_logical_cint_operand): Handle 64-bit hosts.
4587 (non_logical_u_cint_operand): New function.
4588 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
4589 (PREDICATE_CODES): Define new functions.
4590 * rs6000-protos.h: Declare new functions.
4591 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
4592 (movdi_64): Bracket code intended for 64-bit hosts. Create
4593 CONST_DOUBLE for 32-bit values.
4594 (scc insns): Generate DImode compares.
4595 (mfcr insns): Create DImode versions.
4596 (sge matchers): New patterns.
4598 2000-02-15 Gabriel Paubert <paubert@iram.es>
4600 * rs6000.md: Correct instructions length attributes and
4601 constraints on unsigned compare instructions.
4602 (*ne0): Disable for PowerPC64.
4604 2000-02-11 Geoff Keating <geoffk@cygnus.com>
4606 * rs6000.c (output_function_profiler): Use .long for a 32-bit
4607 quantity, fix profile1.C test failure under -fPIC.
4609 * rs6000.c: Add 'u' to many constants to suppress warnings.
4610 (constant_pool_expr_1): Make static.
4611 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
4612 * rs6000.h: Add 'u' to many constants to suppress warnings.
4614 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
4615 for the start of the TOC, instead of LCTOC..0.
4616 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
4618 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
4619 (load_toc_aix_di): Use LCTOC..1.
4621 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
4622 * rs6000.c (rs6000_legitimize_address): New function from
4623 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
4624 symbols in the constant pool that really are TOC references.
4625 (print_operand_address): For ELF, write TOC offsets under
4626 -fPIC as subtractions in the insn.
4627 (output_toc): For ELF, define symbols in TOC as normal labels,
4629 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
4630 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
4631 (create_TOC_reference): Prototype only when RTX_CODE is defined.
4632 * rs6000.md (movsi): Only use create_TOC_reference on
4633 symbols in the constant pool that really are TOC references.
4635 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
4636 * rs6000.c (rs6000_reorg): Delete.
4637 * rs6000-protos.h (rs6000_reorg): Delete.
4639 2000-02-09 Geoff Keating <geoffk@cygnus.com>
4641 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
4643 * aix.h (SETUP_FRAME_ADDRESSES): Define.
4644 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
4645 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
4646 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
4647 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
4648 rs6000_aix_emit_builtin_unwind_init.
4649 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
4650 rs6000_emit_eh_toc_restore on AIX.
4651 (return_eh_si): Use r2.
4652 (return_eh_di): Use r2.
4654 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
4655 since we're breaking binary compatibility anyway.
4657 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
4659 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
4660 constant_pool_expr_p): Declare them.
4661 (constant_pool_expr_p): Declare it.
4662 * config/rs6000/rs6000.c (toc_label_name): Define.
4663 (rs6000_override_options): Set toc_label_name.
4664 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
4665 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
4666 uses_TOC): New functions.
4667 (print_operand): Delete old '*' case.
4668 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
4669 and strip off rtl for TOC before calling output_addr_const.
4670 (rs6000_emit_load_toc_table): Use toc_label_name.
4671 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
4673 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
4674 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
4675 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
4676 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
4677 into explicit TOC_REGISTER offsets.
4678 (TOC_REGISTER): New macro.
4679 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
4680 TARGET_TOC to reference TOC_REGISTER.
4681 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
4682 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
4683 uses_TOC before emitting label references.
4685 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4687 * rs6000.md (stack_tie): Fix warning.
4689 * eabi-ctors.c: Use 'asm' names for the start/end variables,
4690 to handle -fleading-underscore.
4691 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
4692 (USER_LABEL_PREFIX): New macro.
4693 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
4694 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
4695 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
4696 call-linux can use the same multilibs.
4697 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
4698 and call-linux multilibs. Do multilib with -fleading-underscore.
4699 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
4700 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
4703 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
4704 have MASK_SOFT_FLOAT set.
4705 (CPP_FLOAT_DEFAULT_SPEC): New macro.
4706 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
4707 CPP_FLOAT_DEFAULT_SPEC.
4709 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
4710 * rs6000.md: Whitespace change.
4711 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
4712 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
4714 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4716 * rs6000.md (eh_epilogue): New expander.
4717 (eh_reg_restore): New expand/split/insn combination.
4718 (return_eh_si): New insn.
4719 (return_eh_di): New insn.
4721 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
4722 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
4723 * eabi-ctors.c (__do_global_ctors): Register this object's
4724 frame. Clean up. Call atexit() after the constructors.
4725 (__do_global_dtors): Deregister this object's frame. Clean up.
4726 Allow for recursive calls to exit().
4727 * rs6000.c (fixuplabelno): New variable.
4728 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
4729 TARGET_RELOCATABLE, it slows down exec() under linux.
4730 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
4732 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
4733 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
4734 (ASM_OUTPUT_DWARF_DELTA2): New macro.
4735 (ASM_OUTPUT_DWARF_DELTA4): New macro.
4736 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
4737 (ASM_OUTPUT_DWARF_ADDR): New macro.
4738 (ASM_OUTPUT_DWARF_DATA4): New macro.
4739 (ASM_OUTPUT_DWARF_DATA2): New macro.
4740 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
4741 (ASM_OUTPUT_DWARF_OFFSET): New macro.
4742 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
4744 2000-02-03 Geoff Keating <geoffk@cygnus.com>
4746 * rs6000.c (rs6000_sr_alias_set): New variable.
4747 (rs6000_override_options): Initialise rs6000_sr_alias_set.
4748 (rs6000_emit_stack_tie): New function.
4749 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
4750 in a way that dwarf2out can understand.
4751 (rs6000_frame_related): New function.
4752 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
4753 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
4754 Use rs6000_emit_stack_tie when needed.
4755 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
4756 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
4757 * rs6000.md (stack_tie): New insn.
4758 (return_internal_si): Allow return value to be in the count
4760 (return_internal_di): Likewise.
4762 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
4764 2000-02-03 Geoff Keating <geoffk@cygnus.com>
4766 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
4768 2000-01-31 Geoff Keating <geoffk@cygnus.com>
4770 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
4772 * rs6000.md (stmw): Use the right POWER opcode.
4775 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4777 * rs6000-protos.h: New file.
4779 * rs6000.c: Include tm_p.h. Fix compile time warnings.
4781 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
4784 * sysv4.h: Likewise.
4786 2000-01-28 Geoff Keating <geoffk@cygnus.com>
4788 * ../../configure.in: Delete powerpcle-*-winnt*
4789 and powerpcle-*-pe|powerpcle-*-cygwin*.
4790 * ../../configure: Regenerated.
4792 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
4793 (TARGET_WINDOWS_NT): Delete.
4795 (CALL_NT_DLLIMPORT): Delete.
4796 Delete NT-specific code.
4797 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
4800 * nt-ci.asm: Delete.
4801 * nt-cn.asm: Delete.
4802 * ntstack.asm: Delete.
4804 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4806 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
4807 (ASM_FILE_START): Likewise.
4808 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4809 (ASM_OUTPUT_LABELREF): Likewise.
4810 (ASM_OUTPUT_SKIP): Likewise.
4811 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4812 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4813 (ASM_OUTPUT_CASE_LABEL): Likewise.
4814 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
4815 (ASM_OUTPUT_ASCII): Likewise.
4817 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
4819 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
4820 reload_toc_labelno for non-prologue TOC reloads. Also, don't
4821 increment rs6000_pic_labelno here.
4822 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
4823 and increment rs6000_pic_labelno here.
4825 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
4827 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
4828 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
4829 allocation knows (reg) is dead before the insn.
4831 2000-01-21 Geoff Keating <geoffk@cygnus.com>
4833 * rs6000.md (movsi_to_cr): Correct typo in output template.
4835 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
4837 * rs6000.c (rs6000_pic_labelno): Always define.
4838 (rs6000_pic_func_labelno): Delete.
4839 (lmw_operation): Check for a zero base register,
4840 which doesn't mean what we want.
4841 (stmw_operation): New function.
4842 (print_operand): Define new 'l' modifier.
4843 (rs6000_stack_info): We must save all 64 bits of the registers
4844 if TARGET_POWERPC64.
4845 (rs6000_output_load_toc_table): Delete.
4846 (rs6000_emit_load_toc_table): New function.
4847 (rs6000_allocate_stack_space): Delete.
4848 (rs6000_emit_allocate_stack): New function.
4849 (rs6000_emit_prologue): New function.
4850 (output_prolog): Use rs6000_emit_prologue.
4851 (rs6000_emit_epilogue): Change a few variable names to be
4852 more accurate. Restore all 64 bits of the registers if
4853 TARGET_POWERPC64. Only restore the FP registers which were used
4854 if they are being saved/restored one-at-a-time.
4855 (output_mi_thunk): Delete inefficient code generation.
4856 (output_function_profiler): Don't use rs6000_output_load_toc_table.
4857 * rs6000.h: Declare rs6000_emit_load_toc_table,
4858 rs6000_allocate_stack_space, stmw_operation. Don't declare
4859 rs6000_output_load_toc_table.
4860 * rs6000.md (elf_high): Allow register 0, but discourage it
4862 (elf_low): Support loading into register 0.
4863 (load_toc_aix_si): New pattern.
4864 (load_toc_aix_di): New pattern.
4865 (load_toc_v4_pic_si): New pattern.
4866 (load_toc_v4_pic_di): New pattern.
4867 (load_toc_v4_PIC_1): New pattern.
4868 (load_toc_v4_PIC_1b): New pattern.
4869 (load_toc_v4_PIC_2): New pattern.
4870 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
4871 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
4872 (prologue): New expander.
4873 (movesi_from_cr): New pattern.
4874 (stmw): New pattern.
4875 (save_fpregs_si): New pattern.
4876 (save_fpregs_di): New pattern.
4878 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4880 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
4885 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4887 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
4889 (movsi_got_internal): Likewise.
4890 (movsi_got_internal+1): Likewise.
4891 (set_sp): 'unspec 7' does a SImode clobber.
4893 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4895 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
4896 allocate a stack temporary.
4897 (floatsidf2_internal): Likewise.
4898 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
4900 (floatunssidf2): Don't use the fpmem "register", just
4901 allocate a stack temporary.
4902 (floatunssidf2_internal): Likewise.
4903 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
4905 (floatsidf2_loadaddr): Delete.
4906 (floatsidf2_store1): Delete.
4907 (floatsidf2_store2): Delete.
4908 (floatsidf2_load): Delete.
4909 (fix_truncdfsi2): Don't use the fpmem "register", just
4910 allocate a stack temporary.
4911 (fix_truncdfsi2_internal_si): Delete.
4912 (fix_truncdfsi2_internal_di): Delete.
4913 (fix_truncdfsi2_internal): New insn.
4914 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
4915 (fix_truncdfsi2_store): Delete.
4916 (fix_truncdfsi2_load): Delete.
4917 (fctiwz): Produce gen_fctiwz.
4919 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
4921 * eabi.h (INVOKE__main): Define.
4922 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
4924 (rs6000_emit_prologue): Likewise.
4925 * rs6000.h (struct rs6000_stack): Don't keep track of whether
4926 this is the main program.
4928 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4930 * rs6000.c (rs6000_va_arg): Delete some unused variables.
4932 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4934 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
4935 goes after the argument.
4937 2000-01-12 Geoff Keating <geoffk@cygnus.com>
4939 * rs6000.md: Document 'unspec' values used.
4940 (epilogue): New expander.
4941 (movesi_to_cr_one): New expander.
4942 (movesi_to_cr and following): New pattern.
4944 (return_internal_si): New pattern.
4945 (return_internal_di): New pattern.
4946 (return_and_restore_fpregs_si): New pattern.
4947 (return_and_restore_fpregs_di): New pattern.
4948 * rs6000.h: Declare new functions.
4949 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
4950 rather than rs6000_calls_p.
4951 (rs6000_makes_calls): Delete.
4952 (lmw_operation): New function.
4953 (mtcrf_operation): New function.
4954 (rs6000_emit_epilogue): New function.
4955 (output_epilog): Call rs6000_emit_epilogue and final if
4956 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
4958 2000-01-12 Geoff Keating <geoffk@cygnus.com>
4960 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
4961 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
4962 * aix.h (SUBTARGET_SWITCHES): Document switches.
4963 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
4964 sched-prolog and sched-epilog the same. Document all the
4966 (TARGET_OPTIONS): No longer allow -mdebug-.
4968 2000-01-12 Geoff Keating <geoffk@cygnus.com>
4970 * rs6000.h (ASM_FILE_END): Move to aix.h.
4971 (EXTRA_SECTIONS): Move to aix.h.
4972 (READONLY_DATA_SECTION): Move to aix.h.
4973 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
4974 (SELECT_SECTION): Move to aix.h.
4975 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
4976 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
4977 (LINK_REGISTER_REGNUM): New definition.
4978 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
4979 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
4981 * sysv4.h: Delete the code between the inclusion of rs6000.h
4983 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
4984 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
4985 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
4986 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
4987 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
4988 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
4989 (fix_truncdfsi2_internal_di): New pattern.
4990 (fix_truncdfsi2_store): The second arg here is Pmode too.
4991 (fix_truncdfsi2_load): The second arg here is Pmode too.
4992 (tablejumpdi): Now that switch tables hold only SImode values,
4993 gcc needs to know how to add them to the pc which is DImode.
4994 * rs6000.c (rs6000_stack_info): Use symbolic name for
4995 LINK_REGISTER_REGNUM.
4996 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
4997 (output_toc): Delete unused variables s1 and s2.
4998 (output_ascii): Use fputs not fprintf on a variable string.
5000 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5002 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5003 * aix43.h: Revert Aug 2 change.
5004 (HAS_INIT_SECTION): Define, not visible yet.
5005 (LD_INIT_SWITCH): Define, not visible yet.
5006 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5008 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5010 * config/rs6000/rtems.h: Include config/rtems.h.
5012 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5014 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5015 (SLOW_UNALIGNED_ACCESS): Define.
5016 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5017 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5018 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5019 (toc_section): Likewise and .toc pseudo-op.
5020 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5022 (TEXT_SECTION_ASM_OP): Likewise.
5023 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5026 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5028 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5029 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5032 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5034 * rs6000.h: Move more stuff from here...
5036 * sysv4.h: Cleanup accordingly.
5037 * netware.h: Likewise
5039 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5041 * rs6000.h: Continue cleanup.
5044 * netware.h: Likewise.
5046 * sysv4.h: Likewise.
5047 * win-nt.h: Likewise.
5049 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5050 (TARGET_OPTIONS): Likewise.
5052 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5053 (SUBTARGET_OPTIONS): Likewise.
5055 * rs6000.md: Fix compile time warnings.
5057 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5059 vxworks patches from the Cygnus tree originally by
5060 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5061 <vmakarov@cygnus.com>.
5062 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5063 (ENDFILE_SPEC): Likewise.
5064 (LIB_VXWORKS_SPEC): New macro.
5065 (STARTFILE_VXWORKS_SPEC): New macro.
5066 (ENDFILE_VXWORKS_SPEC): New macro.
5067 (LINK_START_VXWORKS_SPEC): New macro.
5068 (LINK_OS_VXWORKS_SPEC): New macro.
5069 (CPP_OS_VXWORKS_SPEC): New macro.
5070 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5071 * vxppc.h: Rewrite to use proper configuration method.
5072 * vxppcle.h: New file.
5073 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5074 * ../../configure: Rebuilt.
5076 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5078 Lots of changes to rs6000.h, sysv4.h, aix.h,
5079 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5080 with the aim that rs6000.h is the first header
5081 included and the others override it.
5084 * x-aix41-gld: Remove.
5086 * x-aix41: Remove target-specific switches, and don't specify
5087 -Wl,-bbigtoc as we don't need it any more.
5088 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5089 Use t-aix43 for AIX 4.3 and above.
5090 * ../../configure: Regenerated.
5092 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5093 options, that don't do anything yet.
5094 (MASK_SCHED_PROLOG): New macro.
5095 (MASK_SCHED_EPILOG): New macro.
5096 (TARGET_SCHED_PROLOG): New macro.
5097 (TARGET_SCHED_EPILOG): New macro.
5099 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5101 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5102 one per translation unit, not one per function.
5103 (output_toc): Also do duplicate constant elimination
5104 for per-translation-unit TOCs.
5106 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5107 a comment explaining _exactly_ when this pattern gets used.
5108 (builtin_setjmp_receiver): New pattern for better clarity.
5109 (init_v4_pic): Move it into a section dealing with TOC registers.
5111 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5113 * rs6000.c (toc_hash_table): New variable.
5114 (rs6000_hash_constant): New function.
5115 (toc_hash_function): New function.
5116 (toc_hash_eq): New function.
5117 (toc_hash_mark_entry): New function.
5118 (toc_hash_mark_table): New function.
5119 (output_toc): Don't output duplicate TOC entries in
5121 (rs6000_add_gc_roots): Add the hash table as a GC root.
5122 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5123 where they clearly shouldn't be. This may need to be fixed
5124 later when there is a GNU ar for AIX.
5125 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5126 Don't define BOOT_LDFLAGS as it is now not necessary.
5128 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5130 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5131 for va_list on AIX. Use unsigned_char_type_node rather than
5132 constructing our own version on svr4.
5134 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5136 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5137 since patently it's not.
5139 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5141 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5142 define_expand/define_insn pair, and handle restore of the
5143 SVR4 -fpic register.
5145 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5147 * acconfig.h (HAVE_GAS_WEAK): New define.
5148 * configure.in (assembler weak support): Check for .weak support.
5149 * config.in, configure: Rebuilt.
5150 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5151 HAVE_GAS_WEAK is defined.
5153 2000-03-15 Nick Clifton <nickc@cygnus.com>
5155 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5158 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5160 * cppfiles.c (open_include_file): New function.
5161 (find_include_file, cpp_read_file): Use it.
5163 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5165 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5167 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5169 * flow.c (verify_flow_info): Check for unconditional return.
5171 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5173 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5174 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5175 (__ia64_restore_stack_nonlocal): New.
5176 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5178 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5180 * cpphash.c (collect_formal_parameters): Do not complain about
5181 parameter names that just start with `__VA_ARGS__'.
5183 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5185 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5186 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5187 * i386.c (pentiumpro_cost): Set mul cost to 4.
5188 (x86_use_movx): Set for PPro.
5190 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5192 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5193 STACK_BOUNDARY for empty frames now.
5195 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5197 * stor-layout.c (layout_union): Remove.
5198 (layout_union_field): New function, split out from layout_union.
5199 (finish_union_layout): Likewise.
5200 (layout_field): Handle unions by calling layout_union_field.
5201 (finish_record_layout): Handle unions.
5202 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5203 QUAL_UNION_TYPE handling.
5205 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5207 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5208 end of basic block is jump_insn, not barrier; use create_basic_block
5209 instead of creating basic block by hand.
5211 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5213 * flow.c (reorder_basic_blocks): Account for barriers when writing
5214 over NEXT_INSN (last_bb->end).
5215 (verify_flow_info): Add check for missing barriers.
5217 2000-03-14 Greg McGary <gkm@gnu.org>
5219 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5220 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5221 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5222 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5223 __unbounded, __unbounded__): New keywords.
5224 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5225 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5226 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5228 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5230 * cselib.h: New file.
5231 * alias.c: Include "cselib.h".
5232 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5233 MEMs as two new arguments.
5234 (get_addr): New static function.
5235 (find_base_term): Handle VALUEs.
5236 (memrefs_conflict_p): Likewise.
5237 (true_dependence): Call get_addr on the addresses.
5238 Call fixed_scalar_and_varying_struct_p with addresses that have been
5239 passed through get_addr and canon_rtx.
5240 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5241 with true_dependence.
5242 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5243 * loop.c: Include "cselib.h".
5244 (load_mems): Process extended basic block that enters the loop with
5245 cselib. Use that information to change initialization of the shadow
5246 register so that a constant equivalence is seen by later passes.
5247 * reload1.c: Include "cselib.h".
5248 (reload_cse_invalidate_regno): Delete function.
5249 (reload_cse_mem_conflict_p): Likewise.
5250 (reload_cse_invalidate_mem): Likewise.
5251 (reload_cse_invalidate_rtx): Likewise.
5252 (reload_cse_regno_equal_p): Likewise.
5253 (reload_cse_check_clobber): Likewise.
5254 (reload_cse_record_set): Likewise.
5255 (reg_values): Delete static variable.
5256 (invalidate_regno_rtx): Likewise.
5257 (reload_cse_delete_noop_set): New static function.
5258 (reload_cse_simplify): New static function, broken out of
5260 (reload_cse_noop_set_p): Delete unused argument INSN.
5261 Just call rtx_equal_for_cselib_p on set source and destination.
5262 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5263 reload_cse_delete_noop_set. Delete code to keep track of values; use
5264 cselib functions instead. Delete code to push/pop obstacks.
5265 (reload_cse_simplify_set): Use cselib to find equivalent values.
5266 Delete code to push/pop obstacks.
5267 (reload_cse_simplify_operands): Likewise.
5268 * rtl.def (VALUE): New rtx code.
5269 * rtl.h (union rtunion_def): New elt rt_cselib.
5270 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5271 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5272 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5273 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5274 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5275 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5276 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5277 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5278 cselib_record_set, cselib_record_sets): New static functions.
5279 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5280 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5281 references_value_p): New functions.
5282 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5283 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5284 n_useless_values, reg_values, callmem, cselib_obstack,
5285 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5286 New static variables.
5287 * varray.h (union varray_data_tag): New elt te.
5288 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5289 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5292 2000-03-14 Nick Clifton <nickc@cygnus.com>
5294 * gcc.c (do_spec_1): Catch the case where %* is used in a
5295 substitution pattern, but it has not been initialised.
5296 Issue a meaningful error message if an unrecognised operator
5297 is encountered in a spec string.
5299 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5301 * function.c (prepare_function_start): Correctly initialize
5302 cfun->stack_alignment_needed.
5304 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5306 * cppfiles.c (find_include_file): Don't assume nshort is a
5309 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5311 * configure.in (hppa configurations): Add pa32-regs.h to the
5312 list of tm files as appropriate.
5313 * configure: Rebuilt.
5314 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5316 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5317 (fmpyaddoperands, fmpysuboperands): Likewise.
5318 * pa.h: Remove various definitions which depend on knowing
5319 how registers are numbered.
5320 * pa32-regs.h: New file with PA32 register numbering specific
5323 2000-03-14 Richard Henderson <rth@cygnus.com>
5325 * regmove.c (combine_stack_adjustments): New.
5326 (stack_memref_p, single_set_for_csa): New.
5327 (free_csa_memlist, record_one_stack_memref): New.
5328 (try_apply_stack_adjustment): New.
5329 (combine_stack_adjustments_for_block): New.
5330 * rtl.h (combine_stack_adjustments): Declare.
5331 * toplev.c (rest_of_compilation): Call it.
5333 * i386.md: Revert 2000-01-16 change.
5335 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5337 * gccbug.in: Add web category, gcc specific classes.
5339 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5341 * stor-layout.c (finalize_record_size): Fix typo.
5343 2000-03-14 Stan Shebs <shebs@apple.com>
5345 * c-typeck.c (c_alignof): Error on incomplete types.
5346 * extend.texi (Alignment): Document this.
5348 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5350 * cppfiles.c: Include mkdeps.h.
5351 (find_include_file, read_include_file): Remove _cpp_ prefix
5352 from name, make static.
5353 (_cpp_execute_include): New function, broken out of
5356 * cpplib.c: Don't include mkdeps.h.
5357 (struct directive): Remove type field. Reorder entries. The
5358 function takes only one argument.
5359 (struct if_stack): Make type field an int.
5360 (directive_table): Rename to dtable. Generate it, the
5361 prototypes of the directive handlers, and the enum for the
5362 directive numbers, from a template macro.
5363 (do_ifndef, do_include_next, do_import): New functions.
5364 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5365 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5366 do_ident, do_assert, do_unassert, do_sccs): Take only one
5368 (do_sccs): Define always, but alter behavior based on
5370 (_cpp_handle_directive, consider_directive_while_skipping):
5371 Restructure for new directive table layout.
5373 (pass_thru_directive): Take a directive number, not a pointer
5374 to a struct directive.
5375 (parse_include): New function, broken out of do_include.
5376 (do_include, do_import, do_include_next): Use parse_include
5377 and _cpp_execute_include.
5378 (do_elif, do_else): Test for T_ELSE specifically when checking
5379 for #elif/#else after #else.
5380 (parse_ifdef): New function, broken out of do_ifdef.
5381 (validate_else): Expect a name arg without a leading #.
5382 (if_directive_name): Delete.
5383 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5384 directive handlers with only one argument.
5386 * cpphash.h: Update prototypes.
5387 (enum node_type): Remove entries for directives.
5388 * Makefile.in: Update dependencies.
5390 * cpphash.c (dump_hash_helper): Only dump nodes of type
5391 T_MACRO. Emit a newline after each definition.
5393 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5395 * gccbug.in: New file.
5396 * configure.in (all_outputs): Add gccbug.
5397 * Makefile.in (install-common): Install gccbug.
5398 (GCCBUG_INSTALL_NAME): New variable.
5399 * configure: Rebuilt.
5401 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5403 * function.c (put_var_into_stack): Use type_for_mode to calculate
5404 part_type. Use MEM_SET_IN_STRUCT_P.
5405 * expr.c (store_field): Handle CONCAT.
5406 (store_constructor): Use fields_length.
5407 * tree.c (fields_length): New fn.
5408 * tree.h: Declare it.
5410 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5412 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5413 (cpplex.o): New target.
5414 * po/POTFILES.in: Add cpplex.c.
5416 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5417 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5418 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5419 skip_block_comment, skip_line_comment, skip_comment,
5420 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5421 _cpp_parse_name, skip_string, parse_string,
5422 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5423 _cpp_get_directive_token, find_position,
5424 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5425 (maybe_macroexpand, _cpp_lex_token): New functions.
5427 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5428 parse_goto_mark): Delete.
5429 (_cpp_handle_eof): New function.
5430 (_cpp_handle_directive): Rename from handle_directive.
5431 (_cpp_output_line_command): Rename from output_line_command.
5432 (do_if, do_elif): Call _cpp_parse_expr directly.
5433 * cppfiles.c (_cpp_read_include_file): Don't call
5434 init_input_buffer here.
5435 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5436 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5437 here; pop the token_buffer and skip the rest of the line here.
5438 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5441 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5443 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5444 CPP_GOTO_MARK): New macros.
5445 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5446 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5447 _cpp_read_and_prescan, _cpp_init_input_buffer,
5448 _cpp_grow_token_buffer, _cpp_get_directive_token,
5449 _cpp_handle_directive, _cpp_handle_eof,
5450 _cpp_output_line_command): Prototype them here.
5451 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5452 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5453 quote_string, output_line_command): Remove.
5455 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
5457 * stmt.c (expand_end_case): RANGE may be signed, and when checking
5458 whether it is too large we must also verify that it isn't negative.
5460 2000-03-13 Jakub Jelinek <jakub@redhat.com>
5462 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
5463 (movsi_zero_liveg0): Remove.
5464 (movsf_insn_novis_liveg0): Remove.
5466 (negsi2_not_liveg0): Rename to negsi2.
5467 (one_cmplsi2): Remove.
5468 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
5469 (one_cmplsi2_liveg0): Remove.
5470 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
5471 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
5472 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
5473 (PREDICATE_CODES): Remove zero_operand.
5474 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
5475 TARGET_BROKEN_SAVERESTORE.
5476 (zero_operand): Remove.
5477 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
5478 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
5480 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5481 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5482 TARGET_BROKEN_SAVERESTORE): Remove.
5483 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5485 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5487 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5490 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
5492 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5494 * cpplib.c (do_pragma_implementation): Fix off-by-one error
5495 truncating a string. Don't assume tokens are nul terminated.
5496 Problem noted by Andreas Jaeger <aj@suse.de>
5498 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5500 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
5501 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
5502 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
5504 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
5506 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
5507 STRUCTURE_SIZE_BOUNDARY.
5509 2000-03-13 Mark Mitchell <mark@codesourcery.com>
5511 * tree.h (record_layout_info_s): New structure.
5512 (record_layout_info): New type.
5513 (new_record_layout_info): New function.
5514 (layout_field): Likewise.
5515 (finish_record_layout): Likewise.
5516 * stor-layout.c (layout_record): Remove.
5517 (new_record_layout_info): New function.
5518 (layout_field): New function, broken out from layout_record.
5519 (finalize_record_size): Likewise.
5520 (compute_record_mode): Likewise.
5521 (finalize_type_size): New function, broken out from layout_type.
5522 (finish_record_layout): Likewise.
5523 (layout_type): Use them.
5525 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5527 * cpphash.c: Don't include version.h.
5528 (special_symbol) [case T_VERSION]: Look for the string in
5529 hp->value.cpval; don't use version_string.
5530 * cppinit.c (initialize_builtins): Set hp->value.cpval for
5531 __VERSION__ to version_string.
5532 * Makefile.in (cpphash.o): Update deps.
5534 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5536 Convert cpplib to use libiberty/hashtab.c.
5538 * cpplib.h (struct cpp_reader): Make hashtab and
5539 all_include_files of type 'struct htab *'. Delete HASHSIZE
5540 and ALL_INCLUDE_HASHSIZE macros.
5542 * cpphash.h: Update prototypes.
5543 (struct hashnode): Remove next, prev, and bucket_hdr members.
5544 Make length a size_t. Add hash member.
5545 (struct ihash): Remove next member. Add hash member. Make
5546 name a flexible array member.
5548 * cppfiles.c: Include hashtab.h.
5549 (include_hash): Delete.
5550 (IHASHSIZE): New macro.
5551 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
5552 (cpp_included): Do the hash lookup here.
5553 (_cpp_find_include_file): Rewrite.
5554 (cpp_read_file): Put the "fake" hash entry into the hash
5555 table. Honor the control_macro, if it turns out we've seen
5556 the file before. Don't push the buffer here.
5557 (_cpp_read_include_file): Push the buffer here.
5558 (OMODES): New macro. Use it whenever we call open(2).
5560 * cpphash.c: Include hashtab.h.
5561 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
5562 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
5563 _cpp_lookup_slot): New functions.
5564 (HASHSIZE): new macro.
5565 (hashf, _cpp_install, _cpp_delete_macro): Delete.
5566 (_cpp_lookup): Use hashtab.h routines.
5568 * cppinit.c: Include hashtab.h.
5569 (cpp_reader_init): Call _cpp_init_macro_hash and
5570 _cpp_init_include_hash. Don't allocate hashtab directly.
5571 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
5572 pfile->all_include_files.
5573 (initialize_builtins): Use _cpp_make_hashnode and
5574 htab_find_slot to add hash entries.
5575 (cpp_finish): Just call _cpp_dump_macro_hash.
5576 * cpplib.c: Include hashtab.h.
5577 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
5578 create hash entries.
5579 (do_pragma_poison, do_assert): Likewise.
5580 (do_include): Don't push the buffer here. Don't increment
5581 system_include_depth unless _cpp_read_include_file succeeds.
5582 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
5584 (do_pragma_implementation): Use alloca to create copy.
5586 * Makefile.in: Update dependencies.
5588 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5590 * cppinit.c (cl_directive_handler): More K&R fixing.
5592 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
5594 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
5596 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
5598 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5600 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
5601 Change from char[] to macros.
5603 2000-03-12 Neil Booth <NeilB@earthling.net>
5605 * cppinit.c (cpp_start_read): Update indirect function
5608 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
5610 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
5613 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5614 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
5616 2000-03-11 Neil Booth <NeilB@earthling.net>
5618 * cppinit.c (struct pending option): Replace undef with a
5619 pointer to a directive handling routine.
5620 (struct cpp_pending): Replace separate assert_ and define_
5621 lists with one directive_ list.
5622 (new_pending_define): Rename new_pending_directive. Extra
5623 argument is the directive's handling routine.
5624 (handle_option): Update to use new_pending_directive.
5626 2000-03-11 Neil Booth <NeilB@earthling.net>
5628 * cppfiles.c (file_cleanup, _cpp_find_include_file,
5629 remap_filename, _cpp_read_include_file, actual_directory,
5630 hack_vms_include_specification): Replace bcopy(), index() etc
5631 calls. Add casts to some allocations. Make some variables
5632 pointers to const [unsigned] char.
5633 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
5634 collect_formal_parameters): Similarly.
5635 * cppinit.c (struct pending_option, append_include_chain,
5636 cpp_options_init, cpp_reader_init, initialize_standard_includes,
5637 cpp_start_read, new_pending_define, handle_option): Similarly.
5638 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
5639 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
5640 do_pragma_implementation, detect_if_not_defined,
5641 do_ifdef, skip_if_group, cpp_get_token, parse_string,
5642 do_assert, do_unassert): Similarly.
5643 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
5644 function prototypes.
5645 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
5647 2000-03-10 Richard Henderson <rth@cygnus.com>
5649 * builtins.c (expand_builtin_strlen): Revert last change.
5650 Use emit_insn_before if we're at the beginning of a sequence.
5652 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
5654 * builtins.c (expand_builtin_strlen): Make sure that we have something
5655 at the beginning of the sequence.
5657 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
5660 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
5662 2000-03-10 Richard Henderson <rth@cygnus.com>
5664 * except.c (can_throw): Use INTVAL on a CONST_INT.
5665 (reachable_handlers): Likewise.
5666 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
5668 2000-03-10 Andreas Jaeger <aj@suse.de>
5670 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
5671 MD_STARTFILE_PREFIX since those are not needed on linux.
5672 (ASM_FILE_START): New, from mips/gnu.h.
5674 2000-03-09 Richard Henderson <rth@cygnus.com>
5675 Alex Samuel <samuel@codesourcery.com> and others
5677 * Makefile.in (ssa.o): New rule.
5679 (STAGESTUFF): Add *.ssa and *.ussa.
5680 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
5681 * rtl.def (PHI): New RTL expression.
5682 * rtl.h (clear_log_links): New declaration.
5683 (convert_to_ssa): Likewise.
5684 (convert_from_ssa): Likewise.
5685 * flow.c (split_edge): If the entry node falls through to the
5686 split edge's source block, split the entry edge.
5687 (clear_log_links): New function.
5688 * toplev.c (ssa_dump): New variable.
5689 (flag_ssa): Likewise.
5690 (f_options): Add "ssa".
5691 (compile_file): Create SSA dump files.
5692 (rest_of_compilation): Go to and from SSA if enabled.
5693 (decide_d_option): Handle -de for SSA dump files.
5696 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
5698 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
5701 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
5703 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
5705 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
5707 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
5708 (MD_STARTFILE_PREFIX_1): New macro.
5710 2000-03-09 Robert Lipe <robertl@sco.com>
5712 * config/ia64/ia64.c: Include system.h.
5714 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5716 * except.c (nothrow_function_p): If -fno-exceptions, just return.
5717 (init_eh_nesting_info): Likewise.
5719 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
5720 (TREE_NOTHROW): Rename from TREE_RAISES.
5721 * toplev.c (rest_of_compilation): Set it.
5722 * print-tree.c (print_node): Adjust.
5723 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
5724 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
5725 * calls.c (emit_call_1): Add 'nothrow' parm. Add
5726 REG_EH_REGION note as appropriate.
5727 (libfunc_nothrow): New fn.
5728 (emit_library_call, emit_library_call_value): Use it.
5729 (expand_call): Check TREE_NOTHROW.
5731 * varasm.c (make_decl_rtl): Skip initial '*' when setting
5732 DECL_ASSEMBLER_NAME.
5734 2000-03-09 Andreas Jaeger <aj@suse.de>
5736 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
5737 (TARGET_MEM_FUNCTIONS): Define.
5739 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5741 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
5743 * except.c (can_throw): See through a SEQUENCE.
5744 (nothrow_function_p): New fn.
5745 * except.h: Declare it.
5746 * function.c (current_function_nothrow): New var.
5747 (prepare_function_start): Initialize it.
5748 * output.h: Declare it.
5749 * toplev.c (rest_of_compilation): Set it.
5750 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
5752 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
5754 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
5755 match. (cpp_compare_defs): Count the nul separator when
5756 advancing over argument names.
5758 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
5760 * recog.c (preprocess_constraints): Matching constraints affect
5761 same alternative/different operand, not same operand/different
5764 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
5765 register and a constant specially.
5767 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5769 * libgcc2.h: New file.
5770 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
5772 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
5774 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
5775 * configure: Regenerate.
5778 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
5780 * Makefile.in (LIBCPP_DEPS): New macro.
5781 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
5783 * cpperror.c: Include cpphash.h.
5784 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
5786 (lex): Don't use CPP_WARN_UNDEF.
5787 (_cpp_parse_expr): Return an int, the truth value.
5788 * cppfiles.c: Include cpphash.h.
5789 (_cpp_merge_include_chains): Move to cppinit.c and make static.
5790 * cppinit.c (include_defaults_array): Disentangle.
5791 (cpp_cleanup): Don't free the if stack here.
5792 (cpp_finish): Pop off all buffers, not just one.
5793 * cpplib.c (eval_if_expr): Return int.
5794 (do_xifdef): Rename do_ifdef.
5795 (handle_directive): Don't use CPP_PREPROCESSED.
5796 (cpp_get_token): Don't use CPP_C89.
5797 * fix-header.c: Don't use CPP_OPTIONS.
5799 * cpplib.h: Move U_CHAR, enum node_type, struct
5800 file_name_list, struct ihash, is_idchar, is_idstart,
5801 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
5802 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
5803 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
5804 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
5805 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
5806 of _cpp_simplify_pathname, _cpp_find_include_file,
5807 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
5808 Move struct if_stack to cpplib.c. Move struct cpp_pending to
5810 Change all uses of U_CHAR to be unsigned char instead.
5811 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
5813 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
5815 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
5816 (dwarf2out_begin_prologue): Set it.
5817 (output_call_frame_info): Don't emit EH unwind info for leaves.
5819 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
5820 can occur outside of an EH region.
5821 * except.c: Correct comments about rethrow behavior.
5822 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
5824 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
5826 * flow.c (make_edges): Always call make_eh_edge for calls.
5828 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
5830 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
5831 (struct cpp_buffer): Remove fname and underflow fields.
5832 (struct cpp_reader): Remove get_token field.
5833 (struct include_hash): Rename to struct ihash. Add typedef to
5835 (struct if_stack): Remove fname field.
5836 (IF_STACK_FRAME): Rename to IF_STACK.
5838 * cpperror.c (print_containing_files): Trust that there are no
5839 macro buffers below the top file buffer.
5840 * cppfiles.c: Replace all references to 'struct include_hash'
5841 with 'IHASH'. Rename initialize_input_buffer to
5842 init_input_buffer. Don't set or reference cpp_buffer->fname,
5843 use buffer->ihash->name instead.
5844 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
5845 not CPP_NULL_BUFFER.
5846 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
5847 IF_STACK_FRAME, IHASH not struct include_hash.
5848 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
5849 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
5850 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
5851 references to cpp_buffer->fname (delete entirely, or use
5852 ->ihash->name instead) and IF_STACK->fname.
5853 (cpp_push_buffer): Don't set new->underflow.
5854 (do_include): Use cpp_file_buffer.
5856 * cpphash.c (collect_formal_parameters): Remove duplicate
5857 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
5858 used as a macro argument name. Don't append "..." to namebuf
5859 for varargs macros. After we're done scanning, go through
5860 namebuf and make it NUL separated, not comma separated.
5861 (_cpp_compare_defs): Remove register tag from variables.
5862 Expect defn->argnames to be NUL separated.
5863 (_cpp_dump_definition): Expect defn->argnames to be NUL
5864 separated and in forward order.
5865 * cpphash.h: Update documentation of argnames field.
5867 2000-03-08 Richard Henderson <rth@cygnus.com>
5869 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
5870 to fail. Don't pre-expand the source operand.
5872 * i386.md (strlensi): Initialize eoschar and align before use.
5874 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
5876 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
5877 CONSTRUCTOR element.
5879 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
5881 * mips.c (mips_expand_prologue): If the last
5882 named argument is the vararg marker "va_list", treat it as
5883 an unnamed argument.
5885 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
5887 * dbxout.c (dbxout_parms): When correcting for promoted
5888 big-endian parameters, use the mode of the DECL_RTL rather
5889 than UNITS_PER_WORD.
5891 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
5893 * c-common.h (make_fname_decl): Declare.
5894 * c-common.c (make_fname_decl): Define.
5895 (declare_hidden_char_array): Remove.
5896 (declare_function_name): Use make_fname_decl.
5897 * c-decl.c (c_make_fname_decl): New function.
5898 (init_decl_processing): Set make_fname_decl.
5900 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
5902 * cccp.c (handle_directive): Initialize backslash_newlines_p.
5904 2000-03-07 Philipp Thomas <pthomas@suse.de>
5906 * po/POTFILES.in: Remove cppalloc.c from file list.
5908 2000-03-07 Steve Chamberlain <sac@pobox.com>
5910 * pj.c (pj_expand_prologue): current_function->args_info is
5911 now current_function_args_info.
5913 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
5914 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
5915 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
5917 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5919 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
5920 output as hexadecimal rather than the default octal.
5922 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
5924 * cpphash.c (special_symbol): Fix thinko in previous commit.
5926 2000-03-07 Neil Booth <NeilB@earthling.net>
5928 * cppexp.c (struct operation, left_shift, right_shift,
5929 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
5930 "int"s to "unsigned int"s.
5931 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
5933 * cpplib.h: Update for above.
5934 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
5935 returned from allocations.
5937 * cppinit.c (opt_comp, parse_options): New functions.
5938 (handle_option): Use parse_option to parse a single command
5939 line option, that possibly takes an argument.
5940 (cpp_handle_options): Sort the array of command line options on
5941 first invocation (non-ASCII hosts only).
5942 (print_help): Update.
5944 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
5946 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
5947 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
5949 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
5951 * cppinit.c (cpp_cleanup): Free imp->nshort also.
5953 * cpperror.c (cpp_print_containing_files,
5954 cpp_print_file_and_line, v_cpp_message): Rename to
5955 print_containing_files, print_file_and_line, and v_message.
5956 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
5957 to _cpp_parse_expr, parse_escape, and lex.
5958 (parse_charconst): Remove broken multibyte support.
5959 * cppfiles.c (include_hash): Make static.
5960 (cpp_included): New function.
5961 (merge_include_chains, find_include_file, finclude,
5962 simplify_pathname): Rename to _cpp_merge_include_chains,
5963 _cpp_find_include_file, _cpp_read_include_file, and
5964 _cpp_simplify_pathname.
5965 * cpphash.c (cpp_lookup, free_definition, delete_macro,
5966 cpp_install, create_definition, macroexpand, compare_defs,
5967 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
5968 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
5969 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
5970 * cppinit.c (cpp_handle_option): Rename to handle_option, make
5972 * cpplib.c: Remove extern prototype of cpp_parse_expr.
5974 * cpphash.h: Update prototypes.
5975 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
5977 2000-03-07 Andrew Haley <aph@cygnus.com>
5979 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
5980 PTRDIFF_TYPE should be based solely on Pmode.
5983 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5985 * rtl.h (rtunion_def): Constify member `rtstr'.
5986 (emit_line_note_after, emit_line_note, emit_line_note_force,
5987 emit_note, decode_asm_operands): Constify.
5989 * cse.c (canon_hash): Likewise.
5991 * dbxout.c (dbxout_block): Likewise.
5993 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
5994 v_warning_for_asm): Likewise.
5996 * dwarfout.c (function_start_label): Likewise.
5998 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
5999 emit_line_note_force): Likewise.
6001 * final.c (last_filename, asm_insn_count, final_scan_insn,
6002 output_source_line): Likewise.
6004 * function.h (struct emit_status): Likewise.
6006 * gcse.c (hash_expr_1): Likewise.
6008 * genattr.c (gen_attr, main): Likewise.
6010 * genattrtab.c (struct function_unit, current_alternative_string,
6011 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6012 attr_numeral, check_attr_test, check_attr_value,
6013 convert_set_attr_alternative, convert_set_attr,
6014 compute_alternative_mask, simplify_by_exploding, gen_attr,
6015 gen_unit): Likewise.
6017 * genflags.c (gen_insn): Likewise.
6019 * gengenrtl.c (type_from_format): Likewise.
6021 * genopinit.c (gen_insn): Likewise.
6023 * genoutput.c (n_occurrences, process_template, process_template):
6026 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6029 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6032 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6033 ggc_set_mark, ggc_get_size): Likewise.
6035 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6037 * optabs.c (init_one_libfunc): Likewise.
6039 * output.h (assemble_start_function): Likewise.
6041 * recog.c (decode_asm_operands): Likewise.
6043 * toplev.c (rest_of_compilation): Likewise.
6045 * tree.h (emit_line_note_after, emit_line_note,
6046 emit_line_note_force): Likewise.
6048 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6049 asm_emit_uninitialised, assemble_start_function,
6050 assemble_variable, const_hash, compare_constant_1,
6051 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6053 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6055 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6057 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6059 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6061 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6062 arm_dllimport_name_p): Likewise.
6064 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6067 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6069 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6071 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6072 arm_mark_dllexport, arm_mark_dllimport,
6073 arm_pe_encode_section_info): Likewise.
6075 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6076 ASM_FINISH_DECLARE_OBJECT): Likewise.
6078 * arm/thumb.c (thumb_function_prologue): Likewise.
6080 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6082 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6084 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6086 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6088 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6090 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6092 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6093 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6095 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6097 * i386/i386.c (asm_output_function_prefix): Likewise.
6099 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6101 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6103 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6105 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6106 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6107 ASM_OUTPUT_SECTION_NAME): Likewise.
6109 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6111 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6113 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6115 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6117 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6119 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6121 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6123 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6125 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6127 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6129 * mips/mips.md (movdi, movsi): Likewise.
6131 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6133 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6135 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6137 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6138 ASM_OUTPUT_ASCII): Likewise.
6140 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6141 output_mi_thunk, output_toc): Likewise.
6143 * rs6000/rs6000.md (movsi): Likewise.
6145 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6147 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6149 * v850/v850.c (print_operand, print_operand_address,
6150 v850_encode_data_area): Likewise.
6152 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6154 * config/mips/mips.md (zero_extendsidi2): Always force operand
6155 one to memory for mips16.
6157 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6159 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6160 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6161 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6162 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6163 (min_precision): Result is unsigned.
6164 (add_double, neg_double, mul_double): Low word is unsigned.
6165 (lshift_double, rshift_double, lrotate_double): Likewise.
6166 (rrotate_double, div_and_round_double): Likewise.
6167 (tree_floor_log2, compare_tree_int): New functions.
6168 (preserve_rtl_expr_temps): New declaration.
6169 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6170 (decl_attributes): Use tree_log2 to find alignment.
6171 Check for TREE_INT_CST_HIGH for format args.
6172 (min_precision): Now unsigned.
6173 Use tree_floor_log2.
6174 (truthvalue_conversion): Delete long-disabled code.
6175 * c-decl.c (finish_struct): Clean up tests on field width.
6176 (finish_function): Use compare_tree_int.
6177 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6178 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6179 (default_conversion, digest_init): Use compare_tree_int.
6180 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6181 Fix type errors in forming masks.
6182 * calls.c (initialize_argument_information): Use compare_tree_int.
6183 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6184 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6185 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6186 (store_field): Use compare_tree_int.
6187 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6188 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6189 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6190 (do_store_flag): Use compare_tree_int.
6191 * fold-const.c (encode, decode): Low part is always unsigned.
6192 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6193 (lshift_double, rshift_double, lrotate_double): Likewise.
6194 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6195 (fold_convert): Use compare_tree_int.
6196 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6197 (invert_truthvalue, case INTEGER_CST): Likewise.
6198 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6199 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6200 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6201 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6203 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6204 (expand_end_case): Use compare_tree_int.
6205 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6206 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6207 (layout_decl): Likewise.
6208 (layout_record, layout_union): Make sizes unsigned.
6209 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6210 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6211 * tree.c (struct type_hash): hashcode is unsigned.
6212 (build_type_attribute_variant, type_hash_list): Likewise.
6213 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6214 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6215 (build_complex_type): Likewise.
6216 (real_value_from_int_cst): Remove unneeded casts.
6217 (integer_all_onesp): Add casts.
6218 (tree_floor_log2, compare_tree_int): New functions.
6219 (build_index_type): Use tree_int_cst_sgn.
6220 * varasm.c (assemble_variable): Use compare_tree_int.
6222 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6224 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6226 * varasm.c (make_decl_rtl): Don't add a number to members of
6228 (make_function_rtl): Likewise.
6230 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6232 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6233 patch from 2000-01-28.
6235 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6237 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6238 filled with an insn from the jump target.
6240 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6242 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6243 (c4x_external_ref): Likewise.
6244 * config/c4x/c4x.c (struct name_list): Likewise.
6246 1999-12-16 Ben Collins <bcollins@debian.org>
6248 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6249 argument to genmultilib.
6250 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6251 the contents into the multilib.h header.
6252 * gcc.c: Declare multilib_exclusions for the specs file.
6253 (set_multilib_dir): Use it.
6254 (print_multilib_info): Likewise.
6255 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6256 to pass to genmultilib.
6258 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6260 * builtins.c (built_in_class_names, built_in_names): Constify a
6263 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6265 (_mcleanup): Ensure value matches format specifier in sprintf.
6267 * cpphash.c (special_symbol): Don't needlessly cast away
6270 * cppinit.c (base_name): Delete unused prototype.
6272 * mkdeps.c (deps_init): Make definition K&R safe.
6274 * tree.h (built_in_class_names, built_in_names): Constify a
6277 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6279 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6280 floating point instructions for epilogue delay.
6282 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6283 to gas if it supports .register pseudo.
6285 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6286 LONG_DOUBLE_TYPE_SIZE if not defined.
6287 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6288 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6290 * gengenrtl.c: Likewise.
6291 * print-rtl.c: Likewise.
6293 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6294 MASK_LONG_DOUBLE_128.
6295 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6296 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6297 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6298 (SUBTARGET_SWITCHES): Define.
6299 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6300 with -mlong-double-128.
6301 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6302 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6303 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6304 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6305 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6306 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6307 with -mlong-double-128.
6308 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6309 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6310 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6311 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6312 TARGET_LONG_DOUBLE_128): Define.
6313 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6314 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6315 long double on TARGET_ARCH64.
6317 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6319 * function.c (free_temps_for_rtl_expr): Don't free slots
6320 that have been pushed into a higher level.
6323 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6325 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6327 * basic-block.h (ALLOCA_REG_SET): Remove.
6328 (INITIALIZE_REG_SET): New macro.
6329 * flow.c (update_life_info): Use it.
6330 (calculate_global_regs_live): Likewise.
6331 (propagate_block): Likewise.
6332 * global.c (build_insn_chain): Likewise.
6333 * haifa-sched.c (schedule_region): Likewise.
6335 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6337 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6338 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6339 (DWARF_ARANGES_PAD_SIZE): New define.
6340 (output_aranges): Use it to pad the address range header.
6341 (DWARF_ROUND): Fix for non power of 2 rounding.
6343 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6345 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6347 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6349 * tree.def (RTL_EXPR): Update documentation.
6350 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6351 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6352 * function.c (preserve_rtl_expr_temp): New function.
6353 (preserve_rtl_expr_temps): Likewise.
6354 (preserve_rtl_expr_result): Use it.
6357 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6359 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6361 * regmove.c (copy_src_to_dest) Do not create src->dest move
6362 for unchanging destination.
6364 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6366 * function.h (struct sequence_stack): Remove rtl_expr.
6367 (struct emit_staus): Likewise.
6368 (seq_rtl_expr): Remove.
6369 * tree.h (free_temps_for_rtl_expr): Don't declare.
6370 (start_sequence_for_rtl_expr): Likewise.
6371 * rtl.h (preserve_rtl_expr_result): Likewise.
6372 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6373 (start_sequence_for_rtl_expr): Remove.
6374 (push_topmost_sequence): Don't save sequence_rtl_expr.
6375 (pop_topmost_sequence): Remove comment about not restoring it.
6376 (end_sequence): Don't set seq_rtl_expr.
6377 (init_emit): Don't initialize it.
6378 (mark_sequence_stack): Don't mark it.
6379 (mark_emit_status): Likewise.
6380 * except.c (protect_with_terminate): Use
6381 start_sequence_for_rtl_expr, not start_sequence.
6382 * expr.c (expand_expr, case RTL_EXPR): Don't call
6383 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6384 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6385 (preserve_rtl_expr_result): Remove.
6386 (free_temps_for_rtl_expr): Likewise.
6387 (pop_temp_slots): Likewise.
6388 (mark_temp_slot): Don't mark the rtl_expr.
6389 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6390 start_sequence_for_rtl_expr.
6392 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6394 * mkdeps.c, mkdeps.h: New files.
6395 * po/POTFILES.in: Add them.
6396 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6397 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6398 (mkdeps.o): New target.
6400 * cppfiles.c: Delete deps_output.
6401 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6402 OBJECT_SUFFIX, and base_name.
6403 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6405 (initialize_dependency_output): Use deps_init,
6406 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6407 all the unnecessary string bashing.
6408 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6410 * cpplib.c (do_include): Use deps_add_dep.
6411 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6412 deps_allocated_size, deps_size, deps_column members with
6413 single pointer to a struct deps. Delete prototype of
6416 * cppinit.c: Fix thinko in previous patch.
6418 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6420 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6421 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6422 (mode_for_size_tree): New function.
6423 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6424 * tree.h (mode_for_size_tree): New declaration.
6426 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6428 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6430 * stmt.c (is_body_block): Move...
6431 * dwarfout.c, dwarf2out.c: ...from here.
6432 * tree.h: Declare it.
6433 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6434 * final.c (final_start_function): Do call remove_unnecessary_notes
6437 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6439 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6441 * cpplib.h (_dollar_ok): New macro.
6442 (is_idchar, is_idstart): Use it.
6443 (IStable): Rename to _cpp_IStable. Declare it const if
6444 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6445 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6446 is_space): Update for renamed IStable.
6448 * cppinit.c: Delete all references to FAKE_CONST and CAT
6449 macros. Define init_IStable as empty macro if gcc >=2.7 or
6450 C99. Change TABLE() to ISTABLE and hardcode name of table.
6451 (cpp_start_read): Don't change the IStable based on
6454 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6455 changed. Handle '$' for char1 correctly.
6456 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
6458 * cppexp.c (tokentab2): Make const.
6459 (cpp_lex): Make toktab const.
6460 * cppinit.c (include_defaults_array): Make const.
6461 (initialize_standard_includes): Make default_include const.
6463 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6465 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
6466 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
6467 (gen_decl_die): Likewise.
6468 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
6469 (output_decl): Likewise.
6471 * varasm.c (make_function_rtl): If we change the name used in the
6472 rtl, update DECL_ASSEMBLER_NAME accordingly.
6473 (make_decl_rtl): Likewise.
6475 * toplev.c (rest_of_compilation): Tweak formatting.
6477 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
6478 remove_unnecessary_notes.
6479 (debug_ignore_block): New fn.
6480 * toplev.h: Declare it.
6481 * emit-rtl.c (remove_unncessary_notes): Call it.
6482 * dwarf2out.c (dwarf2out_ignore_block): New fn.
6483 * dwarf2out.h: Declare it.
6484 * final.c (final_start_function): Don't call remove_unnecessary_notes
6485 if we did insn scheduling.
6487 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6489 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
6490 * cpplib.h: Delete SET_CPP_PEDANTIC.
6492 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6494 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
6495 result is a RECORD_TYPE.
6497 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
6499 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
6501 2000-03-03 Richard Henderson <rth@cygnus.com>
6503 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
6504 addition over compliments over shifts.
6506 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6508 * reload1.c (reload_combine_note_use): Handle return register USEs.
6509 REG case: Handle multi-hard-register hard regs.
6511 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6513 * md.texi: Document use of '*' in insn pattern name.
6515 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6517 * calls.c (special_function_p): operator new may not be malloc-like.
6519 * gcse.c (dump_hash_table): Really fix error in last change.
6521 2000-03-02 Denis Chertykov <denisc@overta.ru>
6523 * avr.c (print_operand): Use print_operand_address instead of
6525 * avr/libgcc.S: Cleanup code.
6527 2000-03-02 Richard Henderson <rth@cygnus.com>
6529 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
6531 2000-03-02 Mark Mitchell <mark@codesourcery.com>
6533 * tree.h (TYPE_ALIGN_UNIT): New macro.
6535 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
6537 * i386.c: (constant_call_address_operand): Reject CONST_INT.
6539 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
6541 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
6543 (SET_CPP_PEDANTIC): New macro.
6544 * cpplib.c (do_include): Don't bother checking system_header_p.
6545 (do_warning, do_ident, do_assert, do_unassert): Likewise.
6546 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
6548 * function.h (struct expr_status): Add x_arg_space_so_far.
6549 (arg_space_so_far): New macro.
6550 * expr.c (init_expr): Initialize it.
6551 * calls.c (emit_call_1): Reset it.
6552 (compute_argument_block_size, expand_call): Use it.
6553 (expand_call, store_one_arg): Increment it.
6555 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6557 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
6560 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
6562 * cppfiles.c (cpp_read_file): New function.
6564 * cpphash.c (collect_expansion): Make sure to reset last_token
6565 to NORM when we hit a string. Handle trailing whitespace
6566 properly when the expansion is empty.
6567 (create_definition): Disable line commands while parsing the
6569 (dump_definition): If pfile->lineno == 0, output a line
6570 command ahead of the dump, and add a trailing newline.
6572 * cppinit.c (append_include_chain): Add fifth argument, which
6573 indicates whether or not system headers are C++ aware.
6574 (initialize_standard_includes): New function,
6575 broken out of read_and_prescan. Pass 'cxx_aware' value from
6576 the include_defaults_array on to append_include_chain.
6577 (dump_special_to_buffer): Const-ify char array.
6578 (builtin_array): Don't dump __BASE_FILE__.
6579 (cpp_start_read): Use cpp_read_file. Reorder code for
6580 clarity. Don't output line commands here for -D/-A/-U
6581 switches. Don't call deps_output for files included with
6582 -include or -imacros.
6584 * cpplib.c (do_define): Don't pay any attention to the second
6586 (cpp_expand_to_buffer): Disable line commands while scanning.
6587 (output_line_command): Work in the file buffer.
6588 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
6589 Fix formatting of comments. Prototype cpp_read_file.
6591 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6593 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
6594 reference the language-equivalent of sizetype.
6595 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
6596 * fold-const.c (size_binop, size_diffop): Put back checks.
6597 * gcse.c (dump_hash_table): Fix minor error in last change.
6598 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
6599 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
6602 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
6604 * calls.c (expand_call) Do not attempt to combine stack adjustments
6605 with inhibit_defer_pop set.
6607 2000-03-01 Mark Mitchell <mark@codesourcery.com>
6609 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
6610 the DECL_SIZE for a FIELD_DECL.
6612 2000-03-01 Bruce Korb <bkorb@gnu.org>
6614 * fixinc/inclhack.tpl: remove unused symlinks
6615 * fixinc/README: GCC Maintainer info
6616 * fixinc/inclhack.sh: regen
6617 * fixinc/fixincl.sh: regen
6619 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
6621 * cpphash.c (collect_expansion): Trim trailing white space
6622 from macro definitions, but don't go past the last insertion
6625 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
6627 * i386.md (mulqi3): New pattern.
6629 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
6631 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
6633 (struct cpp_reader): Add parsing_if_directive and
6634 parsing_define_directive flags.
6635 (struct cpp_options): Remove output_conditionals flag.
6636 (check_macro_name): Delete prototype.
6638 * cpphash.h (struct macrodef): Delete.
6639 (struct reflist): Separate from struct definition.
6640 (struct definition): Remove unused fields. Add column number.
6641 (create_definition): Returns a DEFINITION *. Takes a
6642 cpp_reader * and an int.
6644 * cpphash.c (SKIP_WHITE_SPACE): Delete.
6645 (PEEKC): Copy defn from cpplib.c.
6646 (rest_extension, REST_EXTENSION_LENGTH): Delete.
6648 (struct arglist): Simplify.
6649 (collect_expansion): Rewrite. Get tokens by calling
6650 cpp_get_token. Add more error checking.
6651 (collect_formal_parameters): New function, broken out of
6652 create_definition and reworked to use get_directive_token.
6653 (create_definition): All real work is now in collect_expansion
6654 and collect_formal_parameters. do_define handles finding the
6655 macro name. Return a DEFINITION, not a MACRODEF.
6656 (macroexpand): Replace bcopy with memcpy throughout. Replace
6657 character-at-a-time copy loop with memcpy and pointer increments.
6658 (compare-defs): d1->argnames / d2->argnames might be null.
6660 * cpplib.c (copy_rest_of_line): Delete function.
6661 (skip_rest_of_line): Do all the work ourselves.
6662 (skip_string): New function.
6663 (parse_string): Use skip_string.
6664 (get_macro_name): New function.
6665 (check_macro_name): Delete.
6666 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
6667 (cpp_skip_hspace): Use CPP_BUMP_LINE.
6668 (handle_directive): ICE if we're called on a macro buffer.
6669 (do_define): Determine macro name and type (funlike/objlike)
6670 here. Expunge all uses of MACRODEF.
6671 (cpp_push_buffer): Set line_base to NULL.
6672 (do_undef, read_line_number): Don't worry about getting a POP token.
6673 (eval_if_expression): Set/reset parsing_if_directive around
6674 cpp_parse_expr. Don't clear only_seen_white.
6675 (skip_if_group): Remove output_conditionals logic. Use
6677 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
6678 tokens under appropriate conditions.
6679 (cpp_unassert): Call do_unassert not do_assert. Oops.
6681 * cppexp.c (parse_defined): New function, break out of
6683 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
6684 ourselves, with cpp_defined.
6685 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
6687 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
6688 * gcc.dg/strpaste-2.c: New.
6690 2000-02-29 Mark Mitchell <mark@codesourcery.com>
6692 * fold-const.c (size_binop): Don't asert inputs are the same and
6693 have TYPE_IS_SIZETYPE set.
6694 (size_diffop): Likewise.
6696 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
6698 * dwarfout.c (output_block): Output abstract blocks even if they
6699 don't have TREE_ASM_WRITTEN set.
6701 * calls.c (emit_library_call): Check for null REG.
6703 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
6705 * c-decl.c (current_function_decl): Move to toplev.c.
6706 (init_decl_processing): Don't add current_function_decl as a ggc
6708 * dbxout.c (dbxout_symbol): Change return type to int.
6709 (dbxout_symbol_location, dbxout_syms): Likewise.
6710 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
6711 any locals. Use current_function_func_begin_label if set.
6712 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
6713 * dwarf2out.c (dwarf2out_begin_prologue): Set
6714 current_function_func_begin_label.
6715 * final.c (final_start_function): Reset it.
6716 * toplev.c (current_function_decl): Define it here.
6717 (current_function_func_begin_label): New variable.
6718 (main): Add both as ggc roots.
6719 * tree.h (current_function_func_begin_label): Declare.
6721 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6723 * gcse.c: Cleanups throughout: mostly white-space, but also
6724 some minor rearrangement of code.
6726 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
6728 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
6729 returns a PARALLEL. Use emit_group_load and use_group_regs
6731 (emit_library_call_value): Similarly.
6733 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
6734 * pa/quadlib.asm: Remove.
6735 * pa/quadlib.c: New file.
6737 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
6738 * configure: Rebuilt.
6740 2000-02-29 Philip Blundell <pb@futuretv.com>
6742 * config/arm/conix-elf.h: New file.
6743 * configure.in (arm*-*-conix*): New configuration.
6744 * configure: Regenerate.
6746 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
6748 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
6749 don't have TREE_ASM_WRITTEN set.
6751 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6753 * Eliminate DECL_FIELD_SIZE.
6754 * builtins.c (built_in_class_names, built_in_names): New variables.
6755 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
6756 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
6757 DECL_SIZE, not DECL_FIELD_SIZE.
6758 * print-tree.c (print_node): Remove code that prints extra blank
6759 lines in some cases.
6760 Properly handle inline and builtin function cases.
6761 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
6762 * tree.h (built_in_class_named, built_in_names): New declarations.
6763 (union tree_decl): Rename internal unions to u1 and u2 and change
6764 some of their components.
6765 Add new field built_in_class.
6766 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
6767 Reflect above changes.
6768 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
6769 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
6770 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
6771 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
6773 2000-02-28 Dmitri Makarov <dim@windriver.com>
6775 * extend.texi: Document ARM's support for long/short calls.
6777 * invoke.texi: Document ARM's -mlong-calls command line switch.
6779 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
6780 (arm_encode_call_attribute): Add prototype.
6781 (arm_set_default_type_attribute): Add prototype.
6782 (arm_strip_name_encoding): Add prototype.
6784 * config/arm/arm.c (arm_init_cumulative_args): replace
6785 initialisation og 'long_calls' field with initialisation of
6786 'call_cookie' field.
6787 (enum arm_pragma_enum): New enum.
6788 (arm_pragma_long_calls): New static variable.
6789 (arm_process_pragma): Also process "#pragma long_calls_off".
6790 (arm_valid_type_attribute_p): Accept short_call attribute.
6791 (arm_comp_type_attributes): Check long/short call attributes.
6792 (arm_encode_call_attribute): New function: Encode long_call
6793 or short_call attribute in function name.
6794 (arm_set_default_type_attributes): New function: Assign
6795 default attributes to newly defined type.
6796 (current_file_function_operand): New function: Return true if
6797 the symbol is a function which has already been compiled.
6798 (arm_is_longcall_p): New function: Return true if the
6799 indicated function should be called via a long call.
6800 (arm_get_strip_length): New function. Returns number of
6801 prefix characters to be stripped from a function's name.
6802 (arm_strip_name_encoding): New function. Strip prefix characters
6803 from a function's name.
6805 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
6807 (SHORT_CALL_FAG_CHAR): Define.
6808 (LONG_CALL_FAG_CHAR): Define.
6809 (ENCODED_SHORT_CALL_ATTR_P): Define.
6810 (ENCODED_LONG_CALL_ATTR_P): Define.
6811 (ARM_NAME_ENCODING_LENGTHS): Define.
6812 (STRIP_NAME_ENCODING): Define.
6813 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
6814 (ARM_ENCODE_CALL_TYPE): Define.
6815 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
6816 (ARM_DECLARE_FUNCTION_SIZE): Define.
6817 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
6819 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
6820 if a long call is needed.
6821 (call_value): Ditto.
6822 (call_symbol): Ditto.
6824 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
6825 ARM_DECLARE_FUNCTION_SIZE.
6827 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
6828 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
6829 (ARM_STRIP_NAME_ENCODING): Undefine.
6830 (STRIP_NAME_ENCODING): Undefine.
6831 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
6832 (ASM_DECLARE_FUNCTION_NAME): Ditto.
6833 (ASM_OUTPUT_COMMON): Ditto.
6834 (ASM_DECLARE_OBJECT_NAME): Ditto.
6836 * config/arm/pe.c (arm_dllexport_name_p): Check for
6838 (arm_dllimport_name_p): Ditto.
6839 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
6840 (arm_mark_dllimport): Ditto.
6842 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6844 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
6846 2000-02-28 Mark Mitchell <mark@codesourcery.com>
6848 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
6850 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
6852 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
6853 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
6854 NO_BUILTIN_WCHAR_TYPE is not defined.
6855 (CPP_WCHAR_TYPE): Delete.
6856 * cccp.c (main): Don't change wchar_type if cplusplus.
6857 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
6859 2000-02-28 Nick Clifton <nickc@cygnus.com>
6861 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
6863 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
6865 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
6866 (ASM_WEAKEN_LABEL): Define.
6868 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
6870 * expr.c (store_constructor): Do not emit USE.
6871 * rtl.h (stupid_life_analysis): Remove.
6873 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6875 * function.c (number_blocks): Reset next_block_index based on
6876 what debugging format is used, not what is defined.
6878 * lcm.c: Minor reformatting throughout.
6879 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
6881 * toplev.c (rest_of_compilation): Account for time in
6882 optimize_mode_switching.
6884 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
6885 if only marking labels.
6887 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
6889 * calls.c (expand_call): Attempt to combine stack adjustments with
6890 pending stack adjustments.
6892 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6894 * loop.c (reg_in_basic_block_p): Don't abort when falling through
6895 to the end of the function.
6897 2000-02-27 Mark Mitchell <mark@codesourcery.com>
6899 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
6901 * final.c (next_block_index): Remove.
6902 (max_block_depth): Likewise.
6903 (pending_blocks): Likewise.
6904 (init_final): Don't initialize them.
6905 (final_start_function): Don't set next_block_index. Set up
6907 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
6908 * function.h (number_blocks): New function.
6909 * function.c (get_block_vector): New function.
6910 (identify_blocks): Use it.
6911 (reorder_blocks): Set NOTE_BLOCK.
6912 (number_blocks): New function.
6913 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
6914 * tree.h (BLOCK_NUMBER): New macro.
6915 (tree_block): Add block_num field.
6916 * dbxout.c (next_block_number): Remove.
6917 (dbxout_init): Don't set it.
6918 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
6919 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
6921 * toplev.c (rest_of_compilation): Always call
6922 find_loop_tree_blocks. Fix indentation.
6923 * dwarf2out.c (next_block_number): Remove.
6924 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
6925 to determine block numbers.
6926 (gen_inlined_subroutine_die): Likewise.
6927 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
6928 (decls_for_scope): Don't increment next_block_number.
6929 * dwarfout.c (next_block_number): Remove.
6930 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
6931 to determine block numbers.
6932 (output_inlined_subroutine_die): Likewise.
6933 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
6934 (output_decls_for_scope): Don't increment next_block_number.
6935 * sdbout.c (next_block_number): Remove.
6936 (sdbout_block): Use BLOCK_NUMBER.
6937 (sdbout_begin_block): Simplify.
6938 * xcoffout.c (next_block_number): Remove.
6939 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
6940 (xcoffout_begin_block): Don't set next_block_number.
6941 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
6944 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6946 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
6947 (expand_builtin_strcpy): Pass correct type to size_binop.
6948 (expand_builtin_strcmp): Likewise.
6949 Clean up conditional structure.
6950 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
6951 (complete_array_type): Don't use size_binop for MAXINDEX.
6952 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
6953 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
6954 (c_alignof): Use size_one_node.
6955 (build_unary_op): Pass arg of proper type to size_binop.
6956 (really_start_incremental_init, push_init_level): Use sizetype for
6957 constructor{,_bit,_unfilled}_index.
6958 (pop_init_label, output_init_element): Likewise.
6959 (output_pending_init_elements, process_init_element): Likewise.
6960 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
6961 * expr.c (store_expr): Use size_int.
6962 (store_constructor): Use proper types for size_binop args.
6963 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
6964 (expand_expr_unaligned): Likewise.
6965 (string_contant): Return object of sizetype.
6966 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
6967 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
6968 (ARGS_SIZE_TREE): Pass proper types to size_binop.
6969 * fold-const.c (int_const_binop): Refine when size_int is called.
6970 (fold_convert): Likewise.
6971 (size_int_wide): Rework to take KIND as arg, only take low order
6972 bits, handle new sizetype_tab datatype, and chain entries in
6974 (size_int_type_wide): New function.
6975 (size_binop): Validate types of arguments.
6976 (ssize_binop): Deleted.
6977 (size_diffop): New function.
6978 (extract_muldiv): Only fold division into multiplication for sizetypes.
6979 * function.c (assign_parms): Use size_diffop and make sure
6980 VAR field is of ssizetype; also pass proper type to size_binop.
6981 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
6982 (round_down): Deleted from here.
6983 * store-layout.c (sizetype_tab): Now an array.
6984 (sizetype_set, early_root_list): New variables.
6985 (variable_size): Use size_one_node.
6986 (round_up): Pass proper type to size_binop.
6987 (round_down): Moved to here and corrected as above.
6988 (layout_record): Pass proper arg types to size_binop.
6989 (layout_type): Likewise.
6990 If sizetype_set is zero, record the type just laid out.
6991 (make_unsigned_type): Don't call set_sizetype;
6992 (make_signed_type): Likewise; also, call fixup_signed_type.
6993 (initialize_sizetypes): New function.
6994 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
6995 set name of bitsizetype to "bit_size_type".
6996 Fix up type of sizes of all types made before call.
6997 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
6998 * tree.c (fix_sizetype): Deleted.
6999 (build_common_tree_nodes): Call initialize_sizetypes.
7000 (build_common_tree_nodes_2): Don't call fix_sizetype.
7001 * tree.h (TYPE_IS_SIZETYPE): New macro.
7002 (initialize_sizetype): New declaration.
7003 (enum size_type_kind): New type.
7004 (struct sizetype_tab): Deleted.
7005 (sizetype_tab): Now array; adjust sizetype macros.
7006 (size_diffop, size_int_type_wide): New functions.
7007 (size_int_wide): Change number of args and type; access macros changed.
7008 (ssize_int, sbitsize_int): New macros.
7009 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7010 (ROUND_TYPE_SIZE_UNIT): New macro.
7012 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7014 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7016 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7018 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7019 Mark as possibly unused.
7021 * cse.c (cse_insn): Delete dead code involving tablejump.
7022 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7024 * Makefile.in (libcpp.a): Start by deleting it.
7026 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7028 * cpplib.h (enum file_change_code): Added rename_file.
7029 * cpplib.c (do_line): If a filename is given, set file_change to
7031 (output_line_command): If file_change is rename_file, always
7032 output a # directive with the file name.
7034 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7036 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7038 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7039 when copying a PARM_DECL or RESULT_DECL.
7041 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7043 * fix-header.c (recognized_function): Also fix prototypes for
7044 functions taking "void".
7046 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7048 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7049 looking at reg_reloaded_contents.
7051 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7053 * Makefile.in (STMP_FIXINC): New toggle.
7054 (LIBGCC2_DEPS): Delete all references.
7055 (stmp-headers): Delete target. All references either deleted
7056 or changed to stmp-int-headers.
7057 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7058 (LIBCPP_OBJS): Take out cppalloc.o.
7059 (cppalloc.o): Delete target.
7060 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7061 (gen-protos, fix-header): Link with libiberty.a.
7062 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7065 * configure.in: Remove refs to strerror.
7066 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7067 * system.h: Take out strerror stanza.
7069 * cpperror.c (my_strerror): Delete function.
7070 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7071 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7072 * cppalloc.c: Delete file.
7073 * gen-protos.c: Don't provide xrealloc.
7075 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7076 xstrerror throughout.
7078 2000-02-26 Bruce Korb <bkorb@gnu.org>
7080 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7081 match for DOS headers, too.
7082 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7084 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7086 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7087 is right for most ELF targets.
7088 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7089 Let the default file use %U properly.
7090 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7093 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7096 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7098 * toplev.c (documented_lang_options): Correct spelling error.
7099 (decode_d_option, decode_f_option, main): Likewise.
7101 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7103 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7104 to tell assembler it is permitted to expand large constants.
7106 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7108 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7109 (aux_info_suffix): Use.
7110 (SAVE_SUFFIX): New macro.
7112 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7113 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7114 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7116 * invoke.texi (Running Protoize): Update documentation.
7118 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7120 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7122 2000-02-25 John Wehle (john@feith.com)
7124 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7126 2000-02-25 Anthony Green <green@cygnus.com>
7128 * toplev.c (rest_of_compilation): Rebuild jump labels if
7129 combine_instructions has created a new direct jump.
7130 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7132 (combine_instructions): Call try_combine with new argument.
7133 Return non-null value when new direct jump instruction is created.
7134 * rtl.h: combine_instructions returns an int.
7136 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7138 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7139 jump when changing a computed jump into a jump to a known
7142 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7144 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7145 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7147 * i386.md (define_expand "clrstrsi"): Fix typo.
7149 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7151 * rtl.texi: Fix typo.
7153 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7155 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7156 UNITS_PER_WORD. Change caller initial_elimination_offset.
7157 (rounded_frame_size): Take into account that argument pushed has
7158 changed. Fix TARGET_ALIGN_DOUBLE problem.
7160 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7162 * haifa-sched.c (schedule_block): Explain the real reason
7163 we delete REG_SAVE_NOTEs on the first insn of a block.
7164 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7166 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7168 * input.h (push_srcloc): New function.
7169 (pop_srcloc): Likewise.
7170 * toplev.c (push_srcloc): Define it.
7171 (pop_srcloc): Likewise.
7173 2000-02-24 Richard Henderson <rth@cygnus.com>
7175 * flow.c (life_analysis): When collecting reg info, clear
7178 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7180 Fix bug exposed by reload.c no longer rounding the frame
7181 size to BIGGEST_ALIGNMENT:
7182 * sh.c (rounded_frame_size): New function.
7183 (sh_expand_prologue, sh_expand_epilogue): Use it.
7184 (initial_elimination_offset): Likewise.
7186 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7188 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7189 * sh-protos.h (sh_need_epilogue): Declare.
7190 * sh.c (sh_need_epilogue_known): New static variable.
7191 (sh_need_epilogue): New function.
7192 (function_epilogue): Clear need_epilogue_known.
7193 * sh.md (return): Split into expander / insn pattern.
7194 Make the expander conditional on ! sh_need_epilogue ().
7196 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7198 * machmode.h (get_mode_alignment): Declare.
7199 (GET_MODE_ALIGNMENT): Call it.
7200 * stor-layout.c (get_mode_alignment): New function. Make
7201 sure alignment is always power of 2.
7203 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7205 * i386.h: Remove useless definition of "I386" and misleading
7208 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7210 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7211 under which TREE_PERMANENT will be set.
7212 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7213 build1): Use TREE_SET_PERMANENT.
7214 * print-tree.c (print_node): Don't report value of
7215 TREE_PERMANENT if ggc_p is true.
7217 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7218 decide whether to give a type a new alias set.
7219 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7220 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7221 of value of 'obstack'.
7224 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7226 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7228 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7230 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7231 * cpplib.c (cpp_get_token): Produce them.
7232 * cppexp.c (cpp_lex): Handle them.
7234 2000-02-23 Nick Clifton <nickc@cygnus.com>
7236 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7237 comment tests on type attributes.
7239 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7241 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7242 conform to documentation.
7243 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7244 to check for special cases.
7245 * sh-protos.h (sh_loop_align): Declare.
7246 * sh.c (sh_loop_align): Define.
7248 2000-02-22 Andrew Haley <aph@cygnus.com>
7250 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7251 (SIZE_TYPE): Is 32 bits when using -mgp32.
7252 (PTRDIFF_TYPE): Ditto.
7254 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7256 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7258 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7260 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7261 BIGGEST_FIELD_ALIGNMENT a constant.
7263 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7265 * dwarf2out.c (output_line_info): Put the marker for the end of
7266 the line number info at the actual end.
7267 (gen_struct_or_union_type_die): Use decl_function_context
7268 to check for local classes.
7269 * dwarfout.c (output_type): Likewise.
7271 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7273 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7274 for arguments with a mode, but no type.
7275 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7276 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7277 * pa/long_double.h: New file.
7278 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7279 both have 128bit wide long doubles.
7280 * configure: Rebuilt.
7282 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7284 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7286 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7287 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7288 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7290 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7292 * integrate.c (compare_blocks, find_block): Likewise.
7294 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7296 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7298 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7299 expand_asm_operands): Likewise.
7301 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7303 * predict.c (estimate_probability): Added the pointer heuristic to
7304 the collection of static branch predictors.
7306 2000-02-21 Catherine Moore <clm@cygnus.com>
7308 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7309 * invoke.texi (-mfix7000): Document.
7311 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7313 * diagnostic.c (init_output_buffer): Make it possible to output at
7314 least 32 characters if we're given a too long prefix.
7316 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7318 * varasm.c (initializer_constant_valid_p): Call
7319 lang_expand_constant to simplify the constant.
7321 2000-02-20 Bruce Korb <bkorb@gnu.org>
7323 * fixinc/inclhack.def(stdio_va_list):
7324 typedef needs to be disabled.
7325 * fixinc/inclhack.sh: regen
7326 * fixinc/fixincl.x: regen
7328 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7330 * print-rtl.c (print_rtx): Don't print addresses when
7331 flag_dump_unnumbered.
7333 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7335 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7337 (sparc_va_arg, sparc_flat_output_function_prologue,
7338 sparc_flat_output_function_epilogue): Cast value to unsigned in
7340 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7342 * sparc.md: Add default case in switch.
7344 2000-02-19 Richard Henderson <rth@cygnus.com>
7346 * c-typeck.c (add_pending_init): Don't abort for multiple
7347 fields at the same offset.
7348 (pending_init_member): Test the correct member.
7350 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7352 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7354 (start_catch_handler) : Same.
7356 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7358 * Makefile.in: Have flow.o depend on $(EXPR_H)
7360 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7362 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7363 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7364 (finish_decl): Remove -Wlarger-than code from here.
7365 * flags.h (id_clash_len): Now int.
7366 (larger_than_size): Now HOST_WIDE_INT.
7367 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7368 Clean up checking to see if in table.
7369 (make_bit_field_ref): Remove extra parm to bitsize_int.
7370 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7371 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7372 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7373 and for computing size of decl.
7374 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7375 Move -Wlarger-than code to here.
7376 (layout_record): Remove extra arg to bitsize_int.
7377 Set TYPE_BINFO_SIZE_UNIT.
7378 (layout_union): Remove extra arg to bitsize_int.
7379 Use proper type for size of QUAL_UNION.
7380 (layout_type): Remove extra arg to bitsize_int.
7381 * toplev.c (id_clash_len): Now int.
7382 (larger_than_size): Now HOST_WIDE_INT.
7383 (decode_W_option): Clean up id-clash and larger-than- cases.
7384 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7385 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7386 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7387 (struct tree_decl): New field size_unit.
7388 (size_int_wide): No HIGH operand; NUMBER is now signed.
7389 (size_int_2): Deleted.
7390 (size_int, bitsize_int): Don't use it and rework args.
7391 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7393 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7395 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7397 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7399 * invoke.texi (Warning Options): Add an explanation of why
7400 you might want the -Wfloat-equal flag.
7402 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7404 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7405 * cppinit.c (new_pending_define): Add cast to avoid warning.
7406 * expmed.c (extract_bit_field): Likewise.
7407 * flow.c (enum reorder_skip_type): New type.
7408 (skip_insns_between_blcok): New it.
7409 Rework to avoid warning about possibly undefined variable.
7410 * function.c (assign_parms): Make thisparm_boundary unsigned.
7411 * genrecog.c (write_switch): Cast XWINT result to int.
7412 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7413 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7414 one for MIPS and one for Alpha.
7415 (get_tag, copy_object): Add casts to avoid warnings.
7416 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7417 * reload.c (find_reloads): Make TYPE enum reload_type.
7418 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7419 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7420 * varasm.c (compare_constant_1): Add cast to avoid warning.
7421 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7423 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7424 Cast switch operand of size to int.
7425 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7426 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7429 2000-02-18 Nick Clifton <nickc@cygnus.com>
7431 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7432 anything for an alignment of zero.
7434 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7435 anything for an alignment of zero.
7437 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7439 * gcc.texi (Bug Reporting): Refer to bugs.html.
7440 (Bug Lists): Likewise.
7441 * system.h (GCCBUGURL): New preprocessor define.
7442 * rtl.c (fancy_abort): Use it.
7443 * gcc.c (main): Likewise.
7445 2000-02-18 Richard Henderson <rth@cygnus.com>
7447 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7448 (life_analysis_1): Subsume into ...
7449 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7450 Use update_life_info for the relaxation.
7451 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7452 entry and regs_live_at_setjmp.
7453 (set_noop_p): Simplify.
7454 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7455 (record_volatile_insns): Split into ...
7456 (delete_noop_moves): ... here,
7457 (notice_stack_pointer_modification): ... here,
7458 (insn_dead_p): ... and here.
7459 (propagate_block): Don't query INSN_VOLATILE.
7460 (mark_used_regs): Mind !PROP_REG_INFO.
7461 * toplev.c (rest_of_compilation): Call mark_constant_function here,
7462 not in life_analysis.
7464 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
7466 * loop.c (canonicalize_condition): New function,
7467 broken out of get_condition.
7468 (get_condition): Use it.
7469 * expr.h (canonicalize_condition): Prototype it.
7471 * tree.h (tree_int_cst_msb): Declare.
7472 * tree.c (tree_int_cst_msb): New function.
7474 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7476 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
7479 * invoke.texi (-fmessage-length=n): Document.
7481 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
7483 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
7485 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7487 * function.c (thread_prologue_and_epilogue_insns): Put a line note
7490 2000-02-17 Nick Clifton <nickc@cygnus.com>
7492 * config/arm/thumb.c: Replace includes of system headers with
7493 #include "system.h".
7495 2000-02-16 Richard Henderson <rth@cygnus.com>
7497 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
7498 Add crtbeginS.o and crtendS.o.
7499 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
7500 (ENDFILE_SPEC): Use crtendS.o.
7501 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
7503 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
7504 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
7506 (__dso_handle): New variable.
7507 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
7508 bias to __CTOR_END__.
7510 2000-02-16 Richard Henderson <rth@cygnus.com>
7512 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
7514 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
7516 * longlong.h (__clz_tab): Declare as static to match definition.
7518 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
7519 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
7520 (XREF_FILE_NAME): Define.
7522 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
7523 (EH_FRAME_SECTION_ASM_OP): Define.
7524 (IDENT_ASM_OP): Define.
7525 (TEXT_SECTION_ASM_OP): Define.
7527 (CTORS_SECTION_ASM_OP): Define.
7528 (CTOR_SECTION_FUNCTION): Use it.
7529 (DTORS_SECTION_ASM_OP): Define.
7530 (DTOR_SECTION_FUNCTION): Use it.
7532 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
7534 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
7537 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
7538 debug_bb_n): New functions.
7539 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
7540 * basic-block.h: Prototype new functions.
7542 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
7544 * configure.in: Add support for avr target.
7545 * configure: Rebuilt.
7547 * invoke.texi: Add AVR invocation docs.
7548 * install.texi: Add information about AVR.
7549 * md.texi: Add AVR constraint letters description.
7550 * extend.texi: Add description for AVR specific attributes.
7552 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
7554 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
7556 2000-02-16 Nick Clifton <nickc@cygnus.com>
7558 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
7559 (make_insn_raw): Move RTL check here.
7561 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7563 * version.c: Include gansidecl.h and version.h.
7565 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
7567 * configure.in (gcc_version): When setting, narrow search to
7568 lines containing `version_string'.
7570 * Makefile.in (mainversion): Likewise.
7571 (GCC_H): New variable.
7572 (gcc.h): Delete target.
7573 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
7574 (version.o): Depend on version.h.
7575 (dbxout.o): Don't depend on gcc.h.
7577 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
7578 Michael Meissner <meissner@cygnus.com>
7580 * md.texi (Simple Constraints): Add item about whitespace.
7581 * genoutput.c (strip_whitespace): New.
7582 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
7583 strip_whitespace for constraints.
7584 Test pointer using NULL, not 0.
7586 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7588 * cpplib.c (do_line): Pedwarn for #line > 32767.
7590 * c-lex.c (readescape): Warn about '\x', but do not reject it.
7592 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
7594 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
7595 to default cpp spec.
7596 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
7597 * cpp.texi: Document __GNUC_PATCHLEVEL__.
7600 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
7603 2000-02-15 Denis Chertykov <denisc@overta.ru>
7605 * configure.in: Add support for avr target.
7607 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7609 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
7610 (sh_addr_diff_vec_mode): Don't declare.
7611 * sh.c (sh_addr_diff_vec_mode): Delete.
7613 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7615 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
7617 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7619 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
7620 (smulsi3_highpart_i): Name.
7621 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
7622 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
7623 (smulsi3_highpart, umulsi3_highpart): Likewise.
7625 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
7626 correctly independent of endianness.
7627 (mulsidi3, umulsidi3): Now define_insn. Hide details that
7628 confuse the optimizers.
7629 (mulsidi3+1, umulsidi3+1): New define_split.
7631 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
7633 * config/sh/sh.md: Guard insn splits against illegal registers.
7634 * config/sh/sh.h: Correct comment about macros.
7636 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7637 Andrew MacLeod <amacleod@cygnus.com>
7639 * Makefile.in (lcm.o): Depend on insn-attr.h.
7640 * basic-block.h (optimize_mode_switching): Declare.
7641 * lcm.c (tm_p.h, insn-attr.h): #include.
7642 (seginfo, bb_info): New structs.
7643 (antic, transp, comp, delete, insert) : New file-scope static variables.
7644 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
7645 (reg_becomes_live, optimize_mode_switching): Likewise.
7646 * tm.texi: Add description of mode switching macros.
7647 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
7649 * sh-protos.h (remove_dead_before_cse): Remove prototype.
7650 (fldi_ok, fpscr_set_from_mem): New prototypes.
7651 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
7652 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
7653 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7654 (sh_flag_remove_dead_before_cse): Remove declaration.
7655 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
7656 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
7657 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
7658 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7659 (barrier_align): Allow for JUMP_INSNS containing a parallel.
7660 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
7661 (fldi_ok): New function.
7662 (get_fpscr_rtx): Add fpscr_rtx as GC root.
7663 (emit_sf_insn): Only generate fpu switches when optimize < 1.
7664 (emit_df_insn): Likewise.
7665 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
7666 (sh_flag_remove_dead_before_cse): Delete.
7667 (get_free_reg, fpscr_set_from_mem): New functions.
7668 * sh.md (movdf, movsf): Remove no_new_pseudos code.
7669 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
7671 2000-02-15 Loren Rittle <ljrittle@acm.org>
7673 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
7675 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7677 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
7678 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
7680 * cccp.c: Include version.h and/or don't declare `version_string'.
7681 * collect2.c: Likewise.
7682 * alpha.c: Likewise.
7683 * arm/aof.h: Likewise.
7684 * arm/coff.h: Likewise.
7685 * arm/elf.h: Likewise.
7686 * arm/pe.h: Likewise.
7687 * arm/tcoff.h: Likewise.
7688 * arm/telf.h: Likewise.
7689 * arm/tpe.h: Likewise.
7690 * arm/vxarm.h: Likewise.
7691 * convex/convex.c: Likewise.
7692 * i386/dgux.c: Likewise.
7693 * i386/sun386.h: Likewise.
7694 * m88k/m88k.c: Likewise.
7695 * mcore/mcore-pe.h: Likewise.
7696 * mips/mips.h: Likewise.
7697 * romp/romp.h: Likewise.
7698 * sh/sh.c: Likewise.
7699 * cpphash.c: Likewise.
7700 * cppinit.c: Likewise.
7701 * dwarf2out.c: Likewise.
7702 * dwarfout.c: Likewise.
7705 * mips-tfile.c: Likewise.
7706 * protoize.c: Likewise.
7707 * toplev.c: Likewise.
7710 * version.c (version_string): Constify a char*.
7712 * version.h: New file.
7714 2000-02-14 Nick Clifton <nickc@cygnus.com>
7716 * configure.in: Add mcore-elf and mcore-pe targets.
7717 * configure: Regenerate.
7719 * NEWS: Add note that MCore port has been contributed.
7721 * invoke.texi: Document command line switches for MCore port.
7722 * install.texi: Add MCore to list of supported targets.
7724 2000-02-14 Geoff Keating <geoffk@cygnus.com>
7726 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
7727 then we will need to import the frame handling functions.
7728 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
7729 to import the frames themselves.
7731 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
7732 Jason Eckhardt <jle@cygnus.com>
7734 * basic_block.h: Added prototype for reorder_basic_blocks.
7735 * toplev.c: Changes to add -freorder-blocks and graph dump after
7736 block reordering is done.
7737 * flow.c (reorder_block_def): New structure for use during block
7739 (REORDER_BLOCK_*): New macros to access members of above structure.
7740 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
7741 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
7742 functions for block reordering.
7744 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
7746 * gcc.texi (Passes): Fix typo.
7747 * md.texi (Standard Names): Ditto.
7748 * tm.texi (Storage Layout): Ditto.
7750 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
7752 * cpplib.c (do_define): Only free the old definition if it
7755 2000-02-13 Neil Booth <NeilB@earthling.net>
7757 * cppfiles.c (read_and_prescan): When emitting deferred
7758 newlines, test speccase[] again instead of checking each
7759 possible whitespace character in turn. When we encounter \r,
7760 look behind for \n first, then ahead.
7762 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
7764 * cse.c (cse_altered): New internal flag.
7765 (cse_insn): Set it if we changed an insn.
7766 (cse_main): Clear cse_altered before each basic block.
7767 Only garbage collect if cse_altered is true afterward.
7769 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7771 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
7773 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
7775 * combine.c (simplify_comparison): Fix typo.
7777 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
7779 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
7782 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7784 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
7785 previously inserted node instead of root node. Caller changed.
7787 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7789 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
7791 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7793 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
7794 __dereg_frame_dtor): Add prototype argument.
7796 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
7798 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
7800 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
7802 * gthr-vxworks.h (__gthread_once): Likewise.
7804 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
7806 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
7808 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
7809 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
7810 stack pointer in functions w/o saved registers, output LEAVE more often
7811 on TARGET_USE_LEAVE machines.
7813 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
7815 * config/arm/arm.c (arm_init_cumulative_args); New function:
7816 Initlaise the CUMULATIE_ARGS strcuture for a function
7818 (arm_function_arg): New function: Determine where to place a
7819 function's argument. Also handles deciding the function's
7821 (current_file_function_operand): New function: Return true if
7822 the symbol is a function which has already been compiled.
7823 (arm_is_long_call_p): New function: Return true if the
7824 indicated function should be called via a long call.
7825 (arm_valid_type_attribute_p): New function: Return true if the
7826 attribute is a valid, arm specific, attribute.
7827 (arm_comp_type_attribute): New function: Return true if the
7828 two types have compatable, arm specific, attributes.
7830 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
7832 (FUNCTION_ARG): Redefine to call arm_function_arg.
7833 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
7835 (INIT_CUMULATIVE_ARGS): Redefine to call
7836 arm_init_cumulative_args.
7837 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
7839 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
7841 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
7843 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
7844 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
7845 (COMP_TYPE_ATTRIBUTES): Define.
7847 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
7848 if a long call is needed.
7849 (call_value): Call arm_is_long_call_p to decide if a long call
7851 (call_symbol): Call arm_is_long_call_p to decide if a long call
7854 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
7856 2000-02-11 Denis Chertykov <denisc@overta.ru>
7858 * README.AVR: New file with information about the avr ports.
7859 * config/avr: New directory with avr port files.
7861 2000-02-11 Andreas Jaeger <aj@suse.de>
7863 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
7865 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
7867 * cpphash.c: Fix formatting, update commentary.
7868 (dump_definition): Take three separate arguments instead of a
7869 MACRODEF structure argument.
7870 * cpphash.h: Update prototype of dump_definition.
7871 * cppinit.c (cpp_finish): Update call of dump_definition.
7873 * cpplib.c (do_define): Always create new hash entry with
7874 T_MACRO type. Remove redundant check for redefinition of
7875 poisoned identifier. Update call of dump_definition.
7876 (do_undef): Don't call check_macro_name. Rename sym_length to
7878 (do_error, do_warning): Don't use copy_rest_of_line or
7880 (do_warning): Don't use pedwarn for the actual warning,
7881 only the notice about its not being in the standard. (Fixes
7882 bug with #warning in system headers.)
7883 (do_ident): Stricter argument checking - accept only a single
7884 string after #ident. Also, macro-expand the line.
7885 (do_xifdef): Use cpp_defined. De-obfuscate.
7887 (do_pragma): Split out specific pragma handling to separate
7888 functions. Use get_directive_token. Update commentary. Do
7889 not pass on #pragma once or #pragma poison to the front end.
7890 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
7891 do_pragma_default): New.
7893 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
7895 * jump.c (jump_optimize_1): The first operand in a relational
7897 * optabs.c (emit_conditional_move): Handle relationals which
7898 have a known true/false result.
7900 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7902 * function.c (thread_prologue_and_epilogue_insns): Don't insert
7903 a RETURN insn into a block which already ends with a jump.
7905 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7907 * haifa-sched.c (BUF_LEN): Increase a lot.
7909 2000-02-11 Nick Clifton <nickc@cygnus.com>
7911 * configure.in: Add tm_p_file specification for thumb targets.
7912 * configure: Regenerate.
7914 * config/arm/thumb-protos.h: New file: Prototypes for exported
7915 functions defined in thumb.c.
7917 2000-02-11 Robert Lipe <robertl@sco.com>
7919 * Makefile.in (bootstrap-lean): Remove additional files.
7920 (bootstrap2-lean): Likewise.
7921 (VOL_FILES): List of files for above.
7923 2000-02-11 Nathan Sidwell <nathan@acm.org>
7925 * cpphash.c (special_symbol): Remove spurious argument to
7928 2000-02-11 Joel Sherrill (joel@OARcorp.com>
7930 * configure.in: (i*86-*-rtems*): Swapped elf and coff
7932 * configure: Rebuilt.
7934 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
7936 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
7938 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
7940 * pa.c, pa.h: Remove trigraph sequences within comments.
7942 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
7944 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
7946 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
7948 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
7950 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7952 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
7954 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7956 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
7957 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
7958 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
7959 (ASM_FILE_END): Use c4x_file_end.
7960 * config/c4x/c4x.c (c4x_global_label): New function.
7961 (c4x_external_ref, c4x_file_end): Likewise.
7963 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
7964 (c4x_external_ref, c4x_end_file): Likewise.
7966 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
7968 * cppexp.c: Don't include cpphash.h.
7969 (parse_charconst, cpp_lex): Use cpp_defined.
7970 (cpp_lex): Use get_directive_token throughout. Remove
7971 unnecessary cases from switch. Move assertion-handling code
7973 (cpp_parse_expr): If we see '+' or '-', check the context to
7974 determine if they are unary or binary operators. Streamline
7975 the jumps a bit. Do not call skip_rest_of_line.
7977 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
7978 static. Export get_directive_token. Update commentary.
7979 (cpp_defined): New function.
7980 (do_define): Remove reference to T_PCSTRING. Call
7981 free_definition to release memory for old definition, when
7983 (eval_if_expression): Set only_seen_white to 0 before calling
7984 cpp_parse_expr. Call skip_rest_of_line after it returns.
7985 (cpp_read_check_assertion): Don't preserve a pointer into the
7986 token buffer across a call to cpp_get_token.
7988 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
7989 * cppfiles.c (redundant_include_p): Use cpp_defined.
7990 * cpphash.c (free_definition): New function.
7991 (delete_macro): Use it. Update commentary.
7992 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
7994 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
7995 from enum node_type. Prototype cpp_defined and get_directive_token.
7996 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
7998 * fix-header.c (check_macro_names): Use cpp_defined.
7999 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8000 the options structure.
8002 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8004 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8006 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8008 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8009 rather than die->die_tag.
8011 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8013 * combine.c (make_extraction, force_to_mode): Avoid warning on
8014 mixed-signedness conditionals.
8015 (make_field_assignment, nonzero_bits): Likewise.
8016 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8017 (store_split_bit_field, extract_split_bit_field): Likewise.
8018 (extract_fixed_bit_field, store_bit_field,
8019 * expr.c: Change alignment to be unsigned everywhere.
8020 (move_by_pieces, store_constructor_field, store_constructor):
8021 Alignment parm is unsigned.
8022 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8023 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8024 (do_compare_rtx_and_jump): Likewise.
8025 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8026 Compare align with GET_MODE_ALIGNMENT.
8027 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8028 (get_inner_reference): Likewise.
8029 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8030 (expand_assignment): Local vars for alignment now unsigned.
8031 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8032 (do_compare_and_jump): Likewise.
8033 (store_field): Call new function expr_align.
8034 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8035 Alignment arg now unsigned.
8036 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8037 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8038 (extract_bit_field): Likewise.
8039 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8040 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8041 (get_best_mode): Alignment arg is unsigned.
8042 * rtl.h (move_by_pieces): Likewise.
8043 * store-layout.c (maximum_field_alignment, set_alignment):
8045 (layout_decl): Alignment arg is now unsigned.
8046 Remove unneeded casts.
8047 (layout_record, layout_union, layout_type): Remove unneeded casts.
8048 Local alignment variables now unsigned.
8049 (get_best_mode): Alignment arg now unsigned.
8050 * tree.c (expr_align): New function.
8051 * tree.h (expr_align): Likewise.
8052 (maximum_field_alignment, set_alignment): Now unsigned.
8053 (get_inner_reference): Alignment argument is now pointer to unsigned.
8054 * varasm.c (assemble_variable): Add cast to eliminate warning.
8056 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8058 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8059 then store directly into op0.
8061 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8062 the CALL_INSN, and emit the note immediately after it.
8064 2000-02-10 Nick Clifton <nickc@cygnus.com>
8066 * config/arm/thumb.md (epilogue): Include a (return) in the
8067 generated insn, and emit it using emit_jump_insn not
8070 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8072 * function.c (assign_temp): Change zero-sized arrays to size 1.
8073 * integrate.c (expand_inline_function): Do not update
8074 stack_alignment_needed
8075 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8076 add some sanity checking, remove optimization for function with
8079 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8081 * flow.c (mark_regs_live_at_end): Delete unused variables.
8083 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8085 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8086 in macro FRAME_GROWS_DOWNWARD.
8088 * stmt.c (expand_end_bindings): Delete unused variable.
8090 * unroll.c (iteration_info): Mark parameter `loop' with
8093 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8095 * fixinc/server.c (load_data): Return NULL if the marker line is
8097 (run_shell): If load_data returns NULL, retry the command once, in
8100 * configure: Rebuilt.
8102 2000-02-09 Bruce Korb <bkorb@gnu.org>
8104 * gcc/fixincludes: ** DELETED **
8105 * gcc/fixcpp: ** DELETED **
8106 * gcc/fixinc-nt.sed: ** DELETED **
8107 * gcc/just-fixinc: ** DELETED **
8108 * gcc/Makefile.in: Removed out-dated commentary
8109 * gcc/configure.in: Removed fast-fixincludes disablement.
8110 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8112 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8113 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8116 2000-02-09 Richard Henderson <rth@cygnus.com>
8118 * jump.c (delete_insn): Don't delete user labels at -O0.
8120 2000-02-09 Robert Lipe <robertl@sco.com>
8122 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8123 Don't link with HOST_LIBS.
8125 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8127 * configure.in: Correct --help text for --with-dwarf2.
8128 Put tm-dwarf2.h after other tm files, if it's requested.
8129 * configure: Regenerate.
8130 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8133 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8135 * cpplib.h: Provide HASHNODE typedef and forward decl of
8136 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8137 DEFINITION, struct hashnode, struct macrodef, struct
8138 definition, scan_decls prototype, default defn of
8139 INCLUDE_LEN_FUDGE moved elsewhere.
8141 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8142 definition, and struct hashnode moved here. Remove the unused
8143 'predefined' field from struct definition. Replace the 'args'
8144 union with its sole member. All users updated (cpphash.c).
8145 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8146 multiple include guard.
8148 * cpphash.c (hashf): Make static; use better algorithm; drop
8149 HASHSIZE parameter; return an unsigned int.
8150 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8151 used. Calculate HASHSIZE modulus here.
8152 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8154 (create_definition): Drop PREDEFINITION parameter.
8155 * cpplib.c (do_define): Don't calculate a hash value here.
8156 Don't pass (keyword == NULL) to create_definition.
8158 * scan.h: Prototype scan_decls here.
8159 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8160 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8161 callers of cpp_lookup and cpp_install updated.
8163 * cpphash.c (macarg): Hoist all the flag diddling out of the
8165 (macroexpand): ... and out of the loop that calls macarg.
8166 Skip over the initial paren before macro arguments with
8167 cpp_get_non_space_token; point may be some distance before
8168 that paren. Abort if it's not there.
8170 * cpplib.c (parse_clear_mark): Delete function.
8171 (parse_set_mark, parse_goto_mark): Make static.
8172 (ACTIVE_MARK_P): New macro.
8173 (skip_block_comment, skip_line_comment): Do not bump the line
8174 if ACTIVE_MARK_P is true.
8175 (cpp_pop_buffer): The buffer to be popped may not have an
8177 (cpp_get_token): When looking for the initial paren before
8178 macro arguments, only set a mark in a file buffer, Always
8179 return to that mark before proceeding to call macroexpand or
8180 return a NAME token.
8182 * cpplib.h: Remove prototypes of parse_set_mark,
8183 parse_clear_mark, parse_goto_mark.
8184 (struct cpp_options): Rename 'put_out_comments' to
8185 'discard_comments' and invert its sense.
8186 * cppinit.c, cpphash.c, cpplib.c: All users of
8187 put_out_comments changed to use discard_comments, with
8190 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8192 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8193 the edge from a block that both jumps and falls through to the
8196 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8198 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8199 constant source address is legitimate.
8201 2000-02-09 Philip Blundell <pb@futuretv.com>
8203 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8206 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8208 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8210 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8212 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8213 ends with a newline and a NUL. Don't be so clever manipulating
8216 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8218 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8219 not to BIGGEST_ALIGNMENT.
8221 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8223 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8224 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8225 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8226 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8227 * frame.c (execute_cfa_insn): Handle
8228 DW_CFA_GNU_negative_offset_extended.
8230 2000-02-08 Richard Henderson <rth@cygnus.com>
8232 * flow.c (tidy_fallthru_edges): Split out from ...
8233 (delete_unreachable_blocks): ... here.
8234 (find_basic_blocks): Use it.
8236 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8238 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8240 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8242 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8243 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8244 (fix-header.o): Don't depend on cpphash.h.
8246 * scan.c (hashstr): New function.
8247 * scan.h: Prototype it.
8248 * fix-header.c: Don't include cpphash.h. Use hashstr.
8249 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8250 hashstr. Report hash table statistics. Add private
8251 definition of xrealloc.
8253 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8255 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8257 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8259 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8260 jumps with returns unless they are jumps to the fallthru block.
8262 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8264 * i386.md (addqi3_cc): Fix contraints.
8266 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8268 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8270 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8272 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8273 carriage return after a macro name.
8275 2000-02-07 Fred Fish <fnf@be.com>
8277 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8278 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8280 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8282 * cppfiles.c (deps_output): Count spacers in deps_column.
8284 2000-02-07 Neil Booth <NeilB@earthling.net>
8286 * cppinit.c (initialize_dependency_output): If there is no
8287 suffix, don't try to look for known suffixes. Use strrchr.
8288 (cpp_start_read): Remove duplicate initialization.
8290 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8292 * calls.c (compute_argument_block_size): New argument
8293 preferred_stack_boundary.
8294 (expand_call): update cfun->preferred_stack_boundary, update call of
8295 compute_argument_block_size
8296 (emit_library_call): Increate cfun->preferred_stack_boundary
8297 to PREFERRED_STACK_BOUNDARY
8298 (emit_library_call_value): Likewise.
8299 * explow.c (allocate_dynamic_stack_spave): Likewise.
8300 * function.c (prepare_function_start): Set
8301 cfun->preferred_stack_boundary
8302 * function.h (struct function): Add preferred_stack_boundary field.
8303 * integrate.c (expand_inline_function): Update
8304 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8305 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8306 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8308 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8310 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8311 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8312 cpp_pedwarn, cpp_pedwarn_with_line,
8313 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8314 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8315 v_cpp_error_with_line, v_cpp_warning_with_line,
8316 cpp_message_from_errno, cpp_perror_with_name): Delete.
8318 * cpperror.c (cpp_print_containing_files): Take starting
8320 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8321 (v_cpp_message): Now called directly by all entry points.
8323 (cpp_pfatal_with_name, cpp_message): Delete.
8324 (cpp_notice_from_errno, cpp_ice): New functions.
8325 (cpp_notice): Is now for reporting error conditions, just
8326 without an associated file.
8327 (cpp_error, cpp_error_with_line): Don't do anything if
8328 opts->inhibit_errors is on.
8329 (cpp_pedwarn_with_file_and_line): Take column argument also.
8331 * cpplib.h: Update prototypes of exported functions.
8332 (struct cpp_options): Add inhibit_errors.
8334 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8335 non-error messages. Include intl.h.
8337 * cppinit.c, cppmain.c: Likewise. Also, use
8338 cpp_notice_from_errno instead of cpp_perror_with_name or
8339 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8341 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8342 report internal errors.
8344 * cpplib.c (do_define): Switch bcopy to memcpy.
8345 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8347 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8348 bail out early if we hit a line comment.
8350 2000-02-06 Richard Henderson <rth@cygnus.com>
8352 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8353 * basic-block.h: Declare them.
8354 * emit-rtl.h (active_insn_p): New.
8355 (next_active_insn, prev_active_insn): Use it.
8356 * rtl.h: Declare it.
8357 * function.c (emit_return_into_block): New.
8358 (thread_prologue_and_epilogue_insns): Insert return insns instead
8359 of epilogues when possible.
8360 * jump.c (jump_optimize_1): Remove code to insert a return insn
8361 on the fallthru to the exit block.
8363 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8364 and for non-empty stack frames.
8365 * i386.md (return): Expand to return-pop as needed.
8367 2000-02-06 Richard Henderson <rth@cygnus.com>
8369 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8370 constant to op1 for testing.
8372 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8374 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8375 (fixuns_truncqfqi2): Use it.
8377 2000-02-06 Richard Henderson <rth@cygnus.com>
8379 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8382 * i386.md (widening and peepholes): Mask the constant instead of
8385 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8387 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8388 input pointer before possibly branching off to the backslash
8390 * cpphash.c (macroexpand): Correctly delete \r escapes when
8391 stringifying parameters.
8392 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8393 if we can; bail out early if we hit a line comment.
8394 (handle_directive): Treat '# 123' in an .S file just like
8395 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8396 Return 1 for '# not_a_directive'.
8397 (get_directive_token): Pop macro buffers here, so that
8398 cpp_get_token can't sneakily move past a newline.
8400 (cpp_get_token): goto randomchar if handle_directive returns 0.
8402 * cppalloc.c: Update copyright.
8403 * cpplib.c: Merge all the static function prototypes into one
8405 * cpplib.h: Remove #if 0 block.
8407 * cpperror.c: Remove #ifdef EMACS block.
8408 * cppmain.c: Likewise.
8409 * cpphash.c: Remove #if 0 blocks.
8410 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8411 * cpplib.c: Remove #if 0 blocks and code referencing
8412 pcp_inside_if or for_lint. Remove duplicate error message.
8413 Fix error messages for #else after #else or #elif. Reformat.
8414 Remove archaic TODO list.
8415 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8417 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8419 * i386/osf1elf.h: Add missing backslash to multiline string.
8421 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8423 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8425 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8427 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8429 * c-common.c: Include expr.h.
8431 * c-pragma.c (mark_align_stack): Add prototype.
8433 * caller-save.c (add_stored_regs): Likewise.
8435 * combine.c (record_promoted_value): Likewise.
8437 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8440 * cppinit.c (new_pending_define): Likewise.
8442 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8444 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8445 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8446 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8447 class_scope_p): Likewise.
8449 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8450 dwarf2out_add_library_unit_info): Likewise.
8452 * ggc.h (ggc_page_print_statistics): Likewise.
8454 * haifa-sched.c (propagate_deps): Likewise.
8456 * reg-stack.c (next_flags_user, record_label_references): Likewise.
8458 * rtl.h (set_stack_check_libfunc): Likewise.
8460 * toplev.h (set_fatal_function): Likewise.
8462 * toplev.c (set_fatal_function): Delete prototype.
8464 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
8466 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8468 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
8469 (FUNC_END): Likewise.
8471 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8473 * caller-save.c: Include tm_p.h.
8475 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8477 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
8479 2000-02-04 Neil Booth <NeilB@earthling.net>
8481 * cccp.c (main): Check 'dir' for a NULL pointer before passing
8484 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
8486 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
8487 * genflags.c: Use the max_operand_1 logic from genemit.c to
8488 calculate how many arguments gen_insn prototypes have. Remove
8489 NO_MD_PROTOTYPES ifdefs from the generated file.
8490 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
8491 file. Cast gen_insn initializers to insn_gen_fn.
8492 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
8493 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
8495 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8497 * fixinc/Makefile.in (HDR): Add machname.h.
8500 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8502 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
8503 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
8504 (c4x_cpu_version): Ditto.
8505 * config/c4x/c4x-protos.h: ... here.
8507 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
8509 * dwarf2out.c (add_abstract_origin_attribute): Don't call
8510 gen_abstract_function on our context if we're a nested function.
8512 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8514 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
8515 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
8517 2000-02-04 Bruce Korb <bkorb@gnu.org>
8519 * fixinc/genfixes(machname.h):
8520 Move the functionality from gen-machine.h into this file.
8521 UNdef MN_NAME_PAT if there are no names to change.
8522 Also, be a little kinder when AutoGen is not present.
8524 * fixinc/Makefile.in(machname.h):
8525 Change the generation rule to use genfixes.
8527 * fixinc/fixfixes.c(machine_name):
8528 machine_name_fix's functionality now dependent upon whether
8529 MN_NAME_PAT is defined.
8531 * fixinc/fixtests.c(machine_name):
8534 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
8537 * fixinc/fixlib.h(mn_get_regexps):
8540 * fixinc/gen-machine.h: DELETED
8542 2000-02-04 Jan Hubicka <jh@suse.cz>
8543 Richard Henderson <rth@cygnus.com>
8545 * i386.c (SAVE_REGS_FIRST): Remove.
8546 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
8547 (ix86_compute_frame_size): Likewise.
8548 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
8549 (ix86_emit_restore_regs): Remove.
8550 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
8551 when a frame pointer is in use.
8552 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
8553 instead of pop to restore a register when profitable; emit leave
8555 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
8557 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
8558 * i386.md (prologue_allocate_stack): Remove.
8559 (epilogue_deallocate_stack): Remove.
8560 (pro_epilogue_adjust_stack): New.
8562 2000-02-04 Richard Henderson <rth@cygnus.com>
8564 * function.c (diddle_return_value): Rework to use a callback function.
8565 Use current_function_return_rtx if it's been set up.
8566 (do_clobber_return_reg, clobber_return_register): New.
8567 (do_use_return_reg, use_return_register): New.
8568 (expand_function_end): Use them.
8569 * stmt.c (expand_null_return): Likewise.
8570 * function.h: Declare them.
8571 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
8572 (mark_reg): Change arguments as appropriate for callback.
8573 * integrate.c (expand_inline_function): Revert 19 Jan change.
8575 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
8577 * tm.texi (Values in Registers): Fix typo: "fo" "for".
8578 (Misc): Say the scheduler, not the Haifa scheduler.
8580 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
8582 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
8583 when in_mem is set. Update all callers.
8585 2000-02-04 Richard Henderson <rth@cygnus.com>
8587 * i386/openbsd.h (INT_ASM_OP): Define.
8589 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
8591 * tm.texi: Fix various typos.
8593 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
8595 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
8596 (MD_STARTFILE_PREFIX_1): New macro.
8598 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
8600 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
8601 destination when needed.
8602 (strmovsi, strsetsi): New expander.
8603 (strmovsi_1, strsetsi_1): New pattern.
8604 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
8605 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
8606 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
8607 * invoke.texi (align-stringops, inline-all-stringops): Document.
8609 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
8611 * i386/netbsd.h (INT_ASM_OP): Define.
8613 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
8615 * cpplib.h (cpp_reader): Add new flag, no_directives.
8616 * cpphash.c (macarg): Set it.
8617 * cpplib.c (handle_directive): If no_directives is on and we
8618 find a directive, issue an error and discard the line.
8620 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
8622 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
8623 FP constants. Add ! TARGET_FPU check for FP constants.
8625 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
8627 * flow.c (find_basic_blocks): Don't kill label_value_list
8629 (cleanup_cfg): Kill it here.
8631 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8633 * expr.c (store_field): Ensure ALIGN is no stricter than the
8636 2000-02-02 Richard Henderson <rth@cygnus.com>
8638 * jump.c (delete_insn): Partially revert 19 Jan change;
8639 don't convert unused code labels to notes at -O0.
8641 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8643 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
8644 split_all_insns to recreate REG_LABEL notes for flow2 pass.
8646 2000-02-01 Richard Henderson <rth@cygnus.com>
8648 * i386.c (general_no_elim_operand): New.
8649 (nonmemory_no_elim_operand): New.
8650 (ix86_expand_move): Copy eliminable operands before a push.
8651 * i386-protos.h: Declare new functions.
8652 * i386.h (CAN_ELIMINATE): Simplify.
8653 (PREDICATE_CODES): Update.
8654 * i386.md (push insns): Don't allow eliminable register operands.
8656 2000-02-01 Richard Henderson <rth@cygnus.com>
8658 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
8659 replace BLKmode with DECL_RTL's mode.
8661 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
8663 * frame.c (find_fde): Convert for loop to do-while so compiler
8664 sees it's always executed at least once.
8665 * libgcc2.c (BBINBUFSIZE): Kill.
8666 (__bb_init_prg): Use fgets.
8667 (__bb_exit_trace_func): Don't paste strings.
8668 * unroll.c (unroll_loop): Initialize unroll_type, not
8669 unroll_number, and tweak logic to match.
8671 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
8673 (ix86_flags_dependant): Likewise. Disentangle control flow.
8674 (ix86_sched_reorder): Break guts out to
8675 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
8676 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
8679 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
8680 use string concatenation. Don't save and restore esi.
8682 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
8683 (machname.h): Remove script to separate file. Use two-step
8684 sequence so target is not created if script fails.
8685 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
8686 identifiers are defined.
8687 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
8688 an empty string, machine_name doesn't need to do anything at
8690 (is_cxx_header): Add more cases to regexp.
8691 * fixinc/fixlib.h: Update prototype.
8692 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
8694 * fixinc/fixincl.c: Define NO_BOGOSITY.
8696 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
8697 (hp_sysfile): Add missing comma.
8698 (math_exception): Put the wrapper ifdefs at the beginning and
8699 the end of the file.
8700 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
8702 2000-02-01 Richard Henderson <rth@cygnus.com>
8704 * sparc.c (fp_zero_operand): Turn into a normal predicate.
8705 Use CONST0_RTX. Update all callers.
8706 * sparc.h, sparc-protos.h: Update accordingly.
8707 * sparc.md (fp mov insns): Use fp_zero_operand directly
8710 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8712 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
8715 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8717 * Makefile.in (specs.ready): New target.
8718 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
8720 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8722 * fixinc.irix: Use unique filenames for writing into /tmp,
8723 * fixinc.ptx: Likewise.
8724 * fixinc.sco: Likewise.
8725 * fixinc.svr4: Likewise.
8726 * fixinc.winnt: Likewise.
8728 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8730 * tsystem.h: New file.
8732 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
8733 s-crtS): Depend on tsystem.h.
8735 * crtstuff.c: Include tsystem.h.
8736 * frame.c: Likewise.
8737 * libgcc2.c: Likewise.
8739 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
8741 * builtins.c (expand_builtin_memset): Expand for variable sized
8744 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
8746 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
8749 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
8751 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
8753 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
8755 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
8757 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
8758 case 3->2 combining (combining with splitting) in which 2 is CC0
8759 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
8760 checked at the begining of the function with the aid of calling
8761 function 'can_combine_p'.
8763 2000-01-31 Dave Brolley <brolley@redhat.com>
8765 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
8767 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
8769 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
8772 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8774 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
8776 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
8779 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
8781 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
8782 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
8783 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
8784 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
8785 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
8786 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
8787 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
8788 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
8789 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
8790 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
8792 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
8793 Add %(cpp_cpu) to CPP_SPEC.
8795 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
8796 Add %(cc1_cpu) to CC1_SPEC.
8798 2000-01-28 Ulrich Drepper <drepper@redhat.com>
8800 * c-decl.c (c_decode_option): Accept optional numeric argument to
8801 -Wformat and set warn_format.
8802 * c-common.c: Don't emit warning about non-constant printf format
8803 string unless warn_format > 1.
8805 2000-01-30 Richard Henderson <rth@cygnus.com>
8807 * alpha.md (return_internal): Allow after reload only.
8809 2000-01-30 Richard Henderson <rth@cygnus.com>
8811 * i386.c (ix86_compute_frame_size): Omit padding1 if the
8812 local frame size is zero.
8814 2000-01-30 Richard Henderson <rth@cygnus.com>
8816 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
8817 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
8818 * alpha.md (return): Turn into an expander.
8819 (return_internal): Don't use $26.
8820 (epilogue): Emit the return insn.
8822 2000-01-30 Richard Henderson <rth@cygnus.com>
8824 * alpha.md (negtf2, abstf2): Fix word order thinko.
8826 (trunctfsf2): Avoid intermediate rounding errors.
8828 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
8830 * cppfiles.c (find_position): Drop 'colp' argument, return the
8832 (read_and_prescan): Adjust to match. Don't ever manipulate
8833 line or line_base except via find_position.
8835 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
8837 * c-parse.in: Apply Ulrich's changes from c-parse.y.
8838 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
8841 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
8843 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
8844 just print "<command line>". If 'filename' is null or an
8845 empty string, print "<stdin>" for the filename.
8846 * cpplib.c (do_define): Don't print the 'location of the
8847 previous definition' message if we're still parsing the
8849 (cpp_pedwarn_with_file_and_line): Always call
8850 cpp_file_line_for_message.
8852 2000-01-29 Mark Mitchell <mark@codesourcery.com>
8854 * flow.c (mark_regs_live_at_end): Fix typo.
8856 2000-01-28 Ulrich Drepper <drepper@redhat.com>
8858 * c-common.c: Adjust variable names, comments, help strings to c99.
8859 * c-lex.c: Likewise.
8860 * c-parse.y: Likewise.
8861 * c-tree.h: Likewise.
8863 * cpplib.h: Likewise.
8864 * c-decl.c: Likewise. Recognize options with names "*99" as well.
8865 * cppinit.c: Likewise.
8867 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8869 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
8870 * c4x.c: Define the optab rtx values.
8871 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
8872 (c4x_emit_libcall): Use new optab rtx values.
8873 (c4x_emit_libcall3): Likewise.
8874 (c4x_emit_libcall_mulhi): Likewise.
8875 * c4x-protos.h: Add prototypes for optab rtx values and change
8876 prototypes for above c4x_emit_libcall functions.
8878 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8880 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
8882 (c4x_function_prologue): Use regnames intead of float_reg_names when
8884 (c4x_function_epilogue): Likewise.
8885 (c4x_print_operand): Likewise.
8886 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
8887 * c4x.md (set_high): Disable for TARGET_TI.
8889 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8891 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
8892 of framepointer + constant to ADDR_REGS class.
8893 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
8894 * c4x.c (std_or_reg_operand): New function.
8895 * c4x-protos.h (std_or_reg_operand): Prototype it.
8897 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8899 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
8900 object names as libgcc2.c.
8901 * libgcc.S: Use newly defined names.
8903 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
8904 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
8906 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
8907 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
8908 (FLOW_LOOP_LAST_BLOCK): Likewise.
8910 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8912 * basic-block.h (struct loop): New fields 'first' and 'last'.
8913 * flow.c (flow_loops_find): Compute loop->first and loop->last.
8914 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
8915 and loop->last to check for NOTE_INSN_LOOP_END.
8917 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
8919 * predict.c (estimate_probability): Use the new FIRST and LAST fields
8920 of the loop descriptor rather than HEADER and LATCH. Also added
8921 missing break statements as well making some coding style modifications
8922 as suggested by Michael Hayes.
8924 2000-01-28 Richard Henderson <rth@cygnus.com>
8926 * flow.c (find_basic_blocks): Remove do_cleanup argument.
8927 Break out that code ...
8928 (cleanup_cfg): ... here.
8929 (commit_one_edge_insertion): Detect a return instruction being
8930 emitted to an edge. Emit a barrier following; clear fallthru.
8931 (commit_edge_insertions): Verify CFG consistency.
8932 * function.c (expand_function_start): Kill unused variable.
8933 (expand_function_end): Likewise.
8934 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
8935 to insert the epilogue.
8937 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
8938 (delete_null_pointer_checks): Likewise.
8939 * output.h: Likewise.
8940 * reg-stack.c (reg_to_stack): Likewise.
8941 * toplev.c (rest_of_compilation): Likewise. Run
8942 thread_prologue_and_epilogue_insns after rebuilding the CFG.
8944 2000-01-28 Richard Henderson <rth@cygnus.com>
8946 * Makefile.in (flow.o): Revert 24 Jan change.
8947 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
8948 FUNCTION_VALUE result to DECL_RESULT's mode.
8950 * haifa-sched.c (schedule_insns): Don't recompute reg info
8953 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
8955 * configure.in: Make --enable-cpplib the default.
8956 * configure: Regenerate.
8957 * gcc.dg/990119-1.c: No longer expected to fail.
8959 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
8961 * jump.c (jump_optimize_1): Delete an optimization that is also done
8962 by merge_blocks in flow.
8964 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8966 * diagnostic.c (build_message_string, output_printf,
8967 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
8968 (build_location_prefix): Fix non-literal format string.
8970 2000-01-27 Richard Henderson <rth@cygnus.com>
8972 * alpha.md (trunctfsf2): New.
8974 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
8976 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
8978 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
8980 * cppinit.c (cpp_handle_option): Recognize C++ comments under
8982 * cpplib.c (skip_block_comment, skip_line_comment): Split code
8984 (skip_comment) ... here. Permit C++ comments in system
8985 headers always. Warn about C++ comments in user code under
8986 -std=gnu89 -pedantic.
8987 (copy_comment): Use skip_comment.
8988 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
8990 (consider_directive_while_skipping, do_else, do_endif): Call
8991 validate_else unconditionally.
8992 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
8993 text after the conditional in a system header.
8994 * cpplib.h (struct cpp_buffer): Add flag
8995 warned_cplusplus_comments.
8997 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
8999 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9000 Use unshare_all_rtl_1.
9001 (unshare_all_rtl_again): New function.
9002 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9004 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9005 rather than resetting the 'used' flags ourself.
9007 * toplev.c (rest_of_compilation): Add current_function_decl
9008 to the unshare_all_rtl call.
9009 * tree.h: Prototype unshare_all_rtl.
9010 * rtl.h: Prototype unshare_all_rtl_again here.
9012 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9014 * genoutput.c (output_prologue): Include ggc.h in generated
9016 * Makefile.in (insn-output.o): Depends on ggc.h.
9018 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9019 Hans-Peter Nilsson <hp@bitrange.com>
9021 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9022 Remove redundant include of xm-ns32k.h.
9023 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9024 Remove redundant include of xm-ns32k.h.
9025 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9026 Remove redundant include of xm-ns32k.h.
9027 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9029 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9030 (TARGET_SWITCHES): Add documentation strings.
9031 (DWARF_FRAME_REGNUM): Override default definition.
9032 (REG_CLASS_CONTENTS): Add comments.
9033 (SUBSET_P): Format to reduce line length.
9034 (SMALL_REGISTER_CLASSES): Make a run time option.
9035 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9036 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9037 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9038 (regclass_map): fix typo in comment.
9039 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9040 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9041 (trace, reg_or_mem_operand): Delete, unused function.
9042 (calc_address_cost): Small offsets are cheaper than large ones.
9043 (expand_block_move): Generate more efficient code when bytes is a
9044 known at compile time.
9045 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9046 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9047 instead of reg_or_mem_operand.
9049 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9050 not general_operand. Similarly use "=rm" or stricter, not "=g".
9051 For input operands, use stricter constraints than "g" if not
9052 general_operand. Similarly use stricter predicate than
9053 "general_operand" when stricter constraints than "g" are present,
9054 except for matching constraints.
9055 (movstrsi): Use "memory_operand" for operands 0 and 1.
9056 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9057 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9058 not reg_or_mem_operand.
9059 (udivmoddisi4): Ditto.
9060 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9061 Use nonimmediate_operand for operand 3, not register_operand.
9062 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9065 2000-01-27 Fred Fish <fnf@be.com>
9067 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9068 * gthr-single.h: Likewise.
9069 * gthr-solaris.h: Likewise.
9070 * gthr-vxworks.h: Likewise.
9071 * gthr-win32.h: Likewise.
9074 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9076 * cppinit.c: Add " (cpplib)" to end of string printed by
9079 2000-01-27 Richard Henderson <rth@cygnus.com>
9081 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9082 testing for a signed comparison.
9083 (alpha_emit_floatuns): New.
9084 * alpha-protos.h: Declare it.
9085 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9086 (extendsfdf2): Tidy.
9088 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9090 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9091 no -g option specifying debugging format, default to -gstabs+.
9093 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9095 * calls.c (special_function_p): New argument fork_or_exec.
9096 (expand_call): When profile_arc_flag is set and the function
9097 is in the fork_or_exec group, call __bb_fork_func first.
9098 * libgcc2.c, _bb module (__bb_fork_func): New function.
9099 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9101 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9102 * tree.h (special_function_p): Update prototype.
9104 2000-01-26 Richard Henderson <rth@cygnus.com>
9106 * alpha.c (alpha_split_tfmode_pair): New.
9107 * alpha-protos.h: Declare it.
9108 * alpha.md (abstf2, negtf2): New.
9109 (movtf insn): Add input G constraint.
9110 (movtf splitter): Use alpha_split_tfmode_pair.
9112 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9114 * i386/cygwin.h: PROTO -> PARAMS.
9116 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9118 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9119 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9120 using _Qp_cmp/_Q_cmp and testing the return value.
9121 (print_operand): Call reverse_condition_maybe_unordered if
9122 we are handling CCFPmode or CCFPEmode.
9123 Handle ORDERED, UN* and LTGT comparisons.
9124 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9125 if not TARGET_HARD_QUAD.
9126 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9127 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9128 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9129 Adjust gen_b* calls so that they reflect return comparison of
9130 sparc_emit_float_lib_cmp.
9132 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9134 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9135 incoming operands array is large enough for one more operand.
9136 (alpha_emit_xfloating_arith): Likewise.
9138 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9140 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9141 file with one line and no trailing newline.
9142 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9143 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9144 checking if the match is on the line.
9145 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9147 2000-01-25 Richard Henderson <rth@cygnus.com>
9149 * sparc.c (output_cbranch): Fix accidental squashing of the
9150 fp branch pre-delay nop.
9152 2000-01-25 Richard Henderson <rth@cygnus.com>
9154 * tree.def (UNNE_EXPR): Remove.
9155 * c-typeck.c (build_binary_op): Don't handle it.
9156 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9158 * rtl.def (UNNE): Remove.
9160 * jump.c (reverse_condition): Update accordingly.
9161 (swap_condition): Likewise.
9162 (comparison_dominates_p): Handle unordered comparisons.
9163 (reverse_condition_maybe_unordered): New.
9164 * rtl.h (reverse_condition_maybe_unordered): Declare.
9166 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9167 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9168 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9169 * sparc.md (bltgt): New.
9171 2000-01-25 Nick Clifton <nickc@redhat.com>
9173 * emit-rtl.c (emit_insn): Only check machine class insns for
9174 improper emission of a RETURN.
9176 2000-01-25 Richard Henderson <rth@cygnus.com>
9178 * Makefile.in (flow.o): Depend on $(EXPR_H).
9179 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9180 duplicate the structure of diddle_return_value for keeping regs live.
9182 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9184 * loop.c (current_loop_info): Delete.
9185 (consec_sets_invariant_p): Add loop argument, update callers.
9186 (get_condition_for_loop): Likewise.
9187 (count_nonfixed_reads, update_giv_derive): Likewise.
9188 (simplify_giv_expr, general_induction_var): Likewise.
9189 (consec_sets_giv, recombine_givs): Likewise.
9190 (move_movables): Delete loop_start and loop_end arguments,
9191 add loop argument, and update callers.
9192 (find_mem_givs, check_final_value): Likewise.
9193 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9194 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9196 (basic_induction_var): Add loop argument, delete loop_level argument,
9198 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9199 add loop argument, and update callers.
9200 (find_splittable_regs, find_splittable_givs): Likewise.
9201 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9202 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9203 (biv_total_increment): Delete loop_start and loop_end arguments;
9205 (precondition_loop_p): Delete loop_start and loop_info arguments;
9207 * loop.h (get_condition_for_loop): Add loop argument.
9208 (biv_total_increment): Delete loop_start and loop_end arguments.
9209 (precondition_loop_p): Delete loop_start and loop_info arguments;
9211 (final_biv_value): Delete loop_start and loop_end arguments;
9213 (final_giv_value, back_branch_in_range_p): Likewise.
9215 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9217 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9219 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9221 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9222 point to the new "generated_files" doc.
9224 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9226 * config/fp-bit.c (_unord_f2): Fix typo.
9228 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9230 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9231 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9232 functions obsoleted by GC, such as push_obstacks_nochange,
9233 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9234 and code which existed only to decide whether or not to call
9235 them. Remove now-unused NESTED argument from start_function;
9236 all callers changed. Do not change behavior based on ggc_p.
9237 The use of the ixp_obstack in c-iterate.c and the util_obstack
9238 in objc/objc-act.c remain; these are not obsoleted by garbage
9240 * c-tree.h: Update prototype for start_function.
9242 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9244 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9246 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9249 2000-01-25 Richard Henderson <rth@cygnus.com>
9251 * sparc-protos.h (select_cc_mode): Declare.
9252 * sparc.c (select_cc_mode): New. Handle unordered compares.
9253 (output_cbranch): Always reverse via code change. Handle
9254 unordered compares. Factor tests and string updates.
9255 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9256 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9257 * sparc.md (bunordered, bordered): New.
9258 (bungt, bunlt, buneq, bunge, bunle): New.
9260 2000-01-25 Richard Henderson <rth@cygnus.com>
9262 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9263 * ggc-common.c (ggc_add_rtx_varray_root): New.
9264 (ggc_mark_rtx_varray): New.
9265 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9266 functions down below ggc_mark_foo.
9267 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9269 2000-01-25 Richard Henderson <rth@cygnus.com>
9271 * alpha.c (secondary_reload_class): Don't allocate a secondary
9272 for integral mode memories into FLOAT_REGS. Rearrange the more
9273 complicated memory expression inward.
9275 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9277 * inclhack.def: Fixes to play nicer with FreeBSD, and
9278 corrections to comments.
9279 (cxx_unready): Add select expression.
9280 (irix_sockaddr): Add bypass expression.
9281 (machine_ansi_h_va_list): New fix.
9282 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9283 Split out addition of "#include <stdarg.h>" to...
9284 (stdio_stdarg_h): ... here.
9285 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9286 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9287 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9289 (ultrix_ifdef): Tighten up select expression.
9291 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9292 re_ct and max_mach to avoid use of shell. Make printed names
9293 match names in inclhack.def. Use static copyright date.
9294 Don't count c_test and test expressions as requiring regex_t
9295 slots. Add some commentary.
9296 * inclhack.tpl: Do not include the 'This script contains N
9297 fixup scripts' line if PROGRAM is defined. Use static
9300 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9302 * dwarf2out.c: include "varray.h", not dyn-string.h.
9303 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9304 (addr_const_to_string, addr_to_string): Lose.
9305 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9306 (struct dw_val_struct): val_addr is now an rtx.
9307 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9308 (used_rtx_varray): New varray.
9309 (dwarf2out_init): Initialize it.
9311 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9313 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9314 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9315 * Makefile.in (dwarf2out.o): Update dependencies.
9317 2000-01-24 Richard Henderson <rth@cygnus.com>
9319 * i386.c (i386_dwarf_output_addr_const): New.
9320 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9322 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9324 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9325 * i386.c (i386_simplify_dwarf_addr): New.
9326 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9328 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9330 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9331 TYPE_STUB_DECL is NULL.
9333 2000-01-24 Richard Henderson <rth@cygnus.com>
9335 * builtins.c (expand_tree_builtin): Move ...
9336 * c-common.c (expand_tree_builtin): ... here.
9338 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9340 * loop.h (LOOP_INFO): New accessor macro.
9341 * basic-block.h (struct loop): Rename field `info' to `aux'.
9342 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9343 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9344 * unroll.c (loop_iterations, unroll_loop): Likewise.
9346 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9348 * config/i386/t-cygwin: Accomodate new winsup directory layout
9349 when searching for include files.
9351 2000-01-24 Richard Henderson <rth@cygnus.com>
9353 * rtl.def: Add unordered fp comparisions.
9354 * tree.def: Likewise.
9355 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9357 * builtins.c (expand_tree_builtin): New function.
9358 * c-typeck.c (build_function_call): Use it.
9359 (build_binary_op): Support unordered compares.
9360 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9362 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9363 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9364 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9365 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9366 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9368 (swap_condition): Handle unordered compares.
9369 (thread_jumps): Check can_reverse before reversing.
9370 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9373 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9374 setcc is present before acking for cmp_optab. Update all callers.
9375 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9376 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9377 * expr.c (expand_expr): Likewise. Support unordered compares.
9378 (do_jump, do_store_flag): Likewise.
9379 * expr.h (enum libfunc_index): Add unordered compares.
9381 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9382 (DPBIT_FUNCS): Add _unord_df.
9383 * config/fp-bit.c (_unord_f2): New.
9384 * fp-test.c (main): Try unordered compare builtins.
9386 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9387 * alpha.c (alpha_comparison_operator): Check mode properly.
9388 (alpha_swapped_comparison_operator): Likewise.
9389 (signed_comparison_operator): Likewise.
9390 (alpha_fp_comparison_operator): New.
9391 (alpha_emit_conditional_branch): Handle unordered compares.
9392 * alpha.h (PREDICATE_CODES): Update.
9393 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9394 (bunordered, bordered): New.
9396 2000-01-24 Richard Henderson <rth@cygnus.com>
9398 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9399 * alpha.md (movtf): New expander, insn, and splitter.
9401 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9403 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9406 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9408 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9409 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9410 REG_ALLOC_ORDER): Add frame pointer
9411 (FRAME_POINTER_REGNUM): Set to 20
9412 (HARD_FRAME_POINTER_REGNUM): New macro.
9413 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9414 to HARD_FRAME_POINTER.
9415 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9416 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9417 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9418 (HI_REGISTER_NAMES): Add "frame".
9419 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9420 (debug_reg): Handle FRAME_POINTER_REGNUM.
9421 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9422 GENERAL_REGS and INDEX_REGS.
9423 * i386.c (SAVED_REGS_FIRST): new macro.
9424 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9425 (ix86_decompose_address, memory_address_length): Likewise.
9426 (regclass_map): Add frame pointer.
9427 (call_insn_operand): Handle frame_pointer_rtx.
9428 (reg_no_sp_operand): Likewise.
9429 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9430 (print_operand, legitimize_pic_address): Fix formating.
9431 (ix86_compute_frame_size): Make static, update prototype, new
9432 parameters padding1, padding2, use ix86_nsaved_regs, use
9433 stack_alignment_needed.
9434 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9435 to HARD_FRAME_POINTER_REGNUM conversions.
9436 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9437 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9438 (print_reg): Abort on FRAME_POINTER_REGNUM
9440 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9442 * i386.h (PREDICATE_CODES): Add aligned_operand.
9443 * i386.c (aligned_operand): New function.
9444 (ix86_aligned_p): Kill.
9445 * i386.md (movhi_1): Emit mov for aligned operands.
9446 (promoting peep2s): Use aligned_operand.
9448 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9450 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9451 expression to allow underscores in macro names.
9452 (fix_char_macro_defines): Increment scanning pointer.
9454 2000-01-23 Richard Henderson <rth@cygnus.com>
9456 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
9457 * alpha/osf5.h: New file.
9458 * configure.in (alpha-*-osf5): Add it to tm_file.
9460 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
9462 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
9463 (alpha_emit_xfloating_cvt, function_arg): Declare.
9464 * alpha.c (alpha_emit_conditional_branch): Call
9465 alpha_emit_xfloating_compare for TFmode compares.
9466 (alpha_lookup_xfloating_lib_func): New.
9467 (alpha_compute_xfloating_mode_arg): New.
9468 (alpha_emit_xfloating_libcall): New.
9469 (alpha_emit_xfloating_arith): New.
9470 (alpha_emit_xfloating_compare): New.
9471 (alpha_emit_xfloating_cvt): New.
9472 (print_operand): Add default abort case.
9473 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
9474 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
9475 (BIGGEST_ALIGNMENT): Increase to 128 bits.
9476 (RETURN_IN_MEMORY): True for TF/TCmode.
9477 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
9478 (FUNCTION_ARG): Move to function_arg.
9479 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
9480 (ASM_OUTPUT_LONG_DOUBLE): New.
9481 (ASM_OUTPUT_DOUBLE): Always output bits.
9482 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
9483 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
9484 (extenddftf2, trunctfdf2): New.
9486 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9488 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
9489 * config/sparc/sol2.h: ... here.
9491 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9493 * basic-block.h (struct loops): New field `levels'.
9494 * flow.c (flow_loops_level_compute): Traverse all outer loops.
9495 (flow_loop_level_compute): Initialise level to 1.
9496 (flow_loops_find): Set loops->levels.
9497 (flow_loops_dump): Print loops->levels.
9499 2000-01-23 Richard Henderson <rth@cygnus.com>
9501 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
9502 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
9504 2000-01-23 Richard Henderson <rth@cygnus.com>
9506 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
9507 * i386.h (DBX_REGISTER_NUMBER): Use them.
9508 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
9509 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
9510 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
9511 * i386/sequent.h: Kill incorrect comment.
9513 2000-01-23 Mark Mitchell <mark@codesourcery.com>
9515 * ggc-page.c (struct page_entry): Make `context_depth' an
9517 (struct globals): Likewise.
9519 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
9521 * loop.c (check_dbra_loop): When checking a loop for
9522 reversability, check the source of any stores to ensure
9523 they don't depend on an initial value.
9525 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9527 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
9529 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
9531 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
9532 'pz_scan' into scope of entire function. Only affects
9533 compiles with -DDEBUG.
9535 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
9537 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
9538 section naming to that prior to 2000-01-07 patch.
9539 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
9540 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
9541 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
9542 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
9543 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
9545 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
9547 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
9550 2000-01-21 Jim Wilson <wilson@cygnus.com>
9552 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
9553 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
9555 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9557 * cpphash.c (change_newlines): Delete function.
9558 (struct argdata): Delete 'newlines' and 'use_count' fields.
9559 (macroexpand): Remove code referencing those fields.
9561 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9563 * loop.c (loops_info): New variable.
9564 (loop_optimize): Allocate loops->array and free it on exit.
9565 Allocate memory for loops_info and assign to each loop,
9567 (find_and_verify_loops): Do not allocate loops->array.
9569 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9571 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
9573 2000-01-21 Jakub Jelinek <jakub@redhat.com>
9575 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
9576 pseudos if expanded after first flow.
9577 (movdi_pic_label_ref): Likewise.
9579 2000-01-20 Richard Henderson <rth@cygnus.com>
9581 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
9583 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
9585 * Makefile.in (fixinc.sh): Depend on specs.
9586 * fixinc/Makefile.in: Add rule to create machname.h.
9587 (fixlib.o): Depend on machname.h.
9588 * fixinc/fixtests.c (machine_name): New test.
9589 * fixinc/fixfixes.c (machine_name): New fix.
9590 * fixinc/fixlib.c (mn_get_regexps): New helper function for
9591 the machine_name test and fix.
9592 * fixinc/fixlib.h: Prototype it.
9593 * fixinc/inclhack.def (machine_name): Use the C test and fix.
9594 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
9596 * gcc.c (do_spec_1) [case P]: Take care not to create
9597 identifiers with three leading or trailing underscores.
9599 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
9600 (fixincl): Don't specify libraries twice on link line.
9601 (gnu-regex.o): Remove special rule.
9602 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
9603 defined by config.h. Do not define _REGEX_RE_COMP.
9604 (regcomp): Allocate and initialize a fastmap.
9605 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
9607 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
9609 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
9611 2000-01-19 Richard Henderson <rth@cygnus.com>
9613 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
9614 arguments with BB. Update all callers. Tidy line wrapping.
9616 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
9618 * emit-rtl.c (try_split): Return last_insn if we split the
9621 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
9623 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
9624 (ix86_initial_elimination_offset): Declare.
9625 * i386.c (ix86_nsaved_regs): Break out from ...
9626 (ix86_can_use_return_insn_p): ... here.
9627 (ix86_emit_save_regs): Break out from ...
9628 (ix86_expand_prologue): ... here.
9629 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
9631 (ix86_expand_epilogue): ... here.
9632 (ix86_compute_frame_size): Make static, add prototype.
9633 (ix86_initial_elimination_offset): Break out from ...
9634 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
9636 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9638 * recog.h (OUT_FCN): Delete.
9640 * vax.md: Call `get_insn_template' instead of OUT_FCN.
9642 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9644 * cppalloc.c: PROTO -> PARAMS.
9645 * cpperror.c: Likewise.
9646 * cppfiles.c: Likewise.
9647 * cpplib.c: Likewise.
9648 * cpplib.h: Likewise.
9650 * config/arm/arm-protos.h: PROTO -> PARAMS.
9651 * config/arm/arm.c: Likewise.
9652 * config/c4x/c4x.c: Likewise.
9653 * config/fr30/fr30-protos.h: Likewise.
9654 * config/nextstep.c: Likewise.
9655 * config/pa/pa.c: Likewise.
9656 * config/pj/pj.c: Likewise.
9657 * config/rs6000/rs6000.c: Likewise.
9658 * config/v850/v850-protos.h: Likewise.
9659 * config/v850/v850.c: Likewise.
9661 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9663 * i370-protos.h: New file.
9665 * i370.c: Include tm_p.h. Fix compile time warnings.
9667 * i370.h: Move prototypes to i370-protos.h. Fix compile time
9670 * i370.md: Likewise.
9672 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9674 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
9675 (target_isinf, target_isnan, eisnan): Mark parameter with
9677 (eiisinf): Wrap in INFINITY.
9678 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
9679 (ibmtoe): Remove unused variable `rndsav'.
9681 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9683 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
9684 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
9686 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
9688 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
9689 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
9690 (fix_char_macro_defines, fix_char_macro_uses): New functions.
9692 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
9693 Recognize Emacs mode markers also.
9694 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
9695 C++ comments in C++ headers. Call is_cxx_header only if
9698 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
9700 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
9701 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
9702 ... these, which use the new C fixes.
9703 (math_exception): Escape literal '+' in bypass expression.
9705 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
9708 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9710 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
9713 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9715 * loop.c (loop_optimize): Allocate loop_info structure for each loop
9716 prior to calling scan_loop.
9718 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9720 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
9721 (split_branches, calc_live_regs): Likewise.
9723 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9725 * sh.md (fpu_single, fp_mode): New attributes.
9727 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9729 * loop.c (current_loop_info): Renamed from loop_info_data
9730 and changed to a pointer.
9731 (loop_optimize): Allocate loop_info structure for each loop
9732 and initialise to zero.
9733 (scan_loop): Set current_loop_info.
9735 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
9738 2000-01-19 Richard Henderson <rth@cygnus.com>
9740 * stupid.c: Die die die.
9741 * Makefile.in (OBJS): Remove stupid.o.
9742 (stupid.o): Likewise.
9744 * except.c (emit_eh_context): Don't emit USEs for stupid.
9745 * explow.c (probe_stack_range): Likewise.
9746 * flags.h (obey_regdecls): Remove.
9747 * flow.c (find_basic_blocks): Don't run try_merge_blocks
9748 when not optimizing.
9749 (life_analysis): Limit data collection when not optimizing.
9750 (mark_regs_live_at_end): Always mark the return value registers.
9751 (mark_used_regs): Remove dummy RETURN case.
9752 (print_rtl_with_bb): Don't consult obey_regdecls.
9753 * function.c (use_variable, use_variable_after): Remove.
9754 (assign_parms): Consult optimize not obey_regdecls.
9755 (expand_function_start): Don't emit USEs for stupid.
9756 (expand_function_end): Likewise.
9757 * global.c (build_insn_chain): Export.
9758 * integrate.c (expand_inline_function): Kill return-value USE
9760 * jump.c (jump_optimize_1): Do simple jump optimizations and
9761 dead code elimination.
9762 (calculate_can_reach_end): Remove check_deleted argument.
9763 (delete_insn): Patch out insns even when not optimizing.
9764 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
9765 * rtl.h (use_variable, use_variable_after): Remove declarations.
9766 (build_insn_chain): Declare.
9767 * stmt.c (expand_value_return): Don't emit USEs for stupid.
9768 (expand_end_bindings): Likewise.
9769 (expand_decl): Likewise. Consult optimize not obey_regdecls.
9770 * toplev.c (obey_regdecls): Remove.
9771 (rest_of_compilation): Don't set it. Kill stupid in favour of
9772 flow1, local-alloc, and reload.
9773 (main): Don't set obey_regdecls.
9775 * config/nextstep.c (handle_pragma): Likewise.
9777 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
9779 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
9781 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9783 * alpha-protos.h: PROTO -> PARAMS.
9784 * alpha.c: Likewise.
9786 * h8300.c: Likewise.
9787 * i386-protos.h: Likewise.
9789 * m32r-protos.h: Likewise.
9792 * mips.md: Likewise.
9793 * gmon-sol2.c: Likewise.
9794 * sparc.c: Likewise.
9796 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9798 * ns32k-protos.h: New file.
9800 * ns32k.c: Fix compile time warnings.
9802 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
9805 * ns32k.md: Likewise.
9807 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9809 * vax-protos.h: New file.
9811 * vax.c: Fix compile time warnings.
9813 * vax.h: Move prototypes to vax-protos.h. Fix compile time
9818 * vaxv.md: Likewise.
9820 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9822 * romp-protos.h: New file.
9824 * romp.c: Fix compile time warnings.
9826 * romp.h: Move prototypes to romp-protos.h. Fix compile time
9829 * romp.md: Likewise.
9831 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9833 * we32k-protos.h: New file.
9835 * we32k.c: Fix compile time warnings.
9837 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
9840 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9842 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
9844 * except.c (eh_regs): Likewise.
9846 * final.c (output_operand): Likewise.
9848 * fold-const.c (target_isinf, target_isnan): Likewise.
9850 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9852 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
9853 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
9855 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
9857 (clrstrsi): Rewrite.
9858 (strsethi, strsetqi): New expanders.
9859 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
9860 (cmpstrsi): Emit compare insn before cmpstrsi_1
9861 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
9862 (strlensi_1): Likewise.
9863 (cmpstrsi_1): Likewise; do not output compare.
9864 (strlen expander): Do not unroll when optimizing for size.
9865 (*subsi3_carry): Rename to subsi3_carry
9866 (addqi3_cc): New pattern.
9867 * i386.h (processor_costs): Add move_ratio field.
9868 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
9869 * i386.c (*_cost): Set move_ratio.
9870 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
9871 (x86_expand_strlensi_1): Rewrite the main loop.
9873 2000-01-17 Richard Henderson <rth@cygnus.com>
9875 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
9876 * cse.c (find_comparison_args, fold_rtx): Likewise.
9877 * integrate.c (subst_constants): Likewise.
9878 * loop.c (get_condition): Likewise.
9880 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
9882 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
9884 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9886 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
9887 (RESTORE_WARN_FLAGS): Unpack it.
9888 Change semantic type of extension to ttype.
9889 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
9890 * c-parse.y, c-parse.c, objc/objc-parse.y,
9891 objc/objc-parse.c: Regenerate.
9893 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
9895 * fixinc/fixlib.c: Add copyright notice.
9896 (compile_re): New function.
9897 * fixinc/fixlib.h: Prototype compile_re.
9899 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
9900 Use compile_re to compile regular expressions.
9902 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
9903 where the pattern matched.
9905 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
9907 (ultrix_ansi_compat): Likewise.
9908 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
9910 (interactv_add2, interactv_add3): Delete.
9911 (x11_sprintf): Don't use filename glob.
9912 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
9915 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9917 * print-rtl.c: PROTO -> PARAMS.
9919 * reg-stack.c: Likewise.
9920 * resource.c: Likewise.
9921 * sdbout.h: Likewise.
9922 * simplify-rtx.c: Likewise.
9923 * stor-layout.c: Likewise.
9924 * stupid.c: Likewise.
9925 * xcoffout.c: Likewise.
9926 * xcoffout.h: Likewise.
9928 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9930 * toplev.c: PROTO -> PARAMS.
9931 * toplev.h: Likewise.
9934 * unroll.c: Likewise.
9935 * varasm.c: Likewise.
9936 * varray.c: Likewise.
9937 * varray.h: Likewise.
9939 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9941 * reload.c: PROTO -> PARAMS.
9942 * reload.h: Likewise.
9943 * reload1.c: Likewise.
9944 * reorg.c: Likewise.
9945 * resource.h: Likewise.
9948 * rtlanal.c: Likewise.
9949 * sbitmap.h: Likewise.
9950 * sdbout.c: Likewise.
9951 * stack.h: Likewise.
9953 * system.h: Likewise.
9955 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9957 * machmode.h: PROTO -> PARAMS.
9958 * mbchar.h: Likewise.
9959 * mips-tdump.c: Likewise.
9960 * mips-tfile.c: Likewise.
9961 * optabs.c: Likewise.
9962 * output.h: Likewise.
9963 * prefix.c: Likewise.
9964 * profile.c: Likewise.
9965 * protoize.c: Likewise.
9967 * recog.c: Likewise.
9968 * recog.h: Likewise.
9969 * regclass.c: Likewise.
9970 * regmove.c: Likewise.
9973 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9975 * ggc-common.c: PROTO -> PARAMS.
9976 * ggc-page.c: Likewise.
9977 * ggc-simple.c: Likewise.
9979 * global.c: Likewise.
9980 * graph.c: Likewise.
9981 * gthr-win32.h: Likewise.
9982 * haifa-sched.c: Likewise.
9983 * halfpic.h: Likewise.
9984 * integrate.c: Likewise.
9985 * integrate.h: Likewise.
9988 * local-alloc.c: Likewise.
9992 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9994 * genattr.c: PROTO -> PARAMS.
9995 * genattrtab.c: Likewise.
9996 * gencheck.c: Likewise.
9997 * gencodes.c: Likewise.
9998 * genconfig.c: Likewise.
9999 * genemit.c: Likewise.
10000 * genextract.c: Likewise.
10001 * genflags.c: Likewise.
10002 * gengenrtl.c: Likewise.
10003 * genopinit.c: Likewise.
10004 * genoutput.c: Likewise.
10005 * genpeep.c: Likewise.
10006 * genrecog.c: Likewise.
10008 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10010 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10012 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10014 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10015 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10016 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10017 * configure, config.in: Rebuilt.
10019 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10021 * config/i386/i386.md: Add peephole to merge successive stack
10024 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10026 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10027 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10028 when walking backwards to find all the parameter loads when
10029 the basic block ends in a call.
10031 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10033 * loop.c (this_loop_info): Delete.
10034 (uid_loop): Add in place of uid_loop_num. All uses updated.
10035 (loop_number_exit_count): Delete and replace with entry in loop
10036 structure. All uses updated.
10037 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10038 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10039 (loop_outer_loop): Likewise.
10040 (loop_invalid, loop_number_exit_labels): Likewise.
10041 (loop_used_count_register): Delete and replace with entry in
10042 loop_info structure.
10043 (find_and_verify_loops): Add loops argument.
10044 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10045 loop_end, etc. arguments with loop structure pointer. All callers
10047 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10048 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10049 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10050 (insert_bct): Likewise.
10051 (basic_induction_var): New argument level.
10052 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10053 vtop, and cont. Add used_count_register.
10054 (uid_loop): Delete declaration.
10055 (loop_number_exit_count): Likewise.
10056 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10057 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10058 (loop_outer_loop, loop_used_count_register): Likewise.
10059 (loop_invalid, loop_number_exit_labels): Likewise.
10060 (unroll_loop): Replace loop_start and loop_end arguments
10061 with loop structure pointer.
10062 (loop_precondition_p, loop_iterations): Likewise.
10063 Include basic-block.h.
10064 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10065 with loop structure pointer.
10066 (loop_precondition_p, loop_iterations): Likewise.
10067 * basic-block.h (struct loop): New entries vtop, cont,
10068 cont_dominator, start, end, top, scan_start, exit_labels,
10070 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10072 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10074 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10076 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10078 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10080 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10082 * pdp11-protos.h: New file.
10084 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10087 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10090 * pdp11.md: Likewise.
10092 * 2bsd.h: Likewise.
10094 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10096 * mn10300-protos.h: New file.
10098 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10101 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10104 * mn10300.md: Likewise.
10106 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10108 * mn10200-protos.h: New file.
10110 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10113 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10116 * mn10200.md: Likewise.
10118 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10120 * h8300-protos.h: New file.
10122 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10125 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10128 * h8300.md: Likewise.
10130 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10132 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10133 (asm_emit_uninitialised): Likewise.
10135 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10137 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10138 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10140 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10142 * config/mips/mips.c (override_options): Don't turn on extra
10143 alignment for mips16.
10145 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10147 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10148 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10151 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10153 * builtins.c (PAD_VARARGS_DOWN): Define.
10154 (std_expand_builtin_va_arg): Use the above macro.
10155 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10156 * tm.texi (Register Arguments): Document the above macro.
10158 2000-01-14 Nick Clifton <nickc@cygnus.com>
10160 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10161 that this function has not been used to emit a jump
10164 * jump.c (return_jump_1): Cope with being passed a null rtx.
10166 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10168 * eh-common.h: PROTO -> PARAMS.
10169 * emit-rtl.c: Likewise.
10170 * errors.c: Likewise.
10171 * errors.h: Likewise.
10172 * except.c: Likewise.
10173 * except.h: Likewise.
10174 * explow.c: Likewise.
10175 * expmed.c: Likewise.
10176 * expr.c: Likewise.
10177 * expr.h: Likewise.
10178 * final.c: Likewise.
10179 * fix-header.c: Likewise.
10180 * flow.c: Likewise.
10181 * fold-const.c: Likewise.
10182 * function.c: Likewise.
10183 * function.h: Likewise.
10185 * gcov-io.h: Likewise.
10186 * gcov.c: Likewise.
10187 * gcse.c: Likewise.
10189 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10191 * sh-protos.h: New file.
10193 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10194 Add static prototypes. Fix compile time warnings.
10196 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10200 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10202 * arc-protos.h: New file.
10204 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10207 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10210 * arc.md: Likewise.
10212 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10214 * dsp16xx-protos.h: New file.
10216 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10219 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10222 * dsp16xx.md: Likewise.
10224 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10226 * convex-protos.h: New file.
10228 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10231 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10234 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10236 * elxsi-protos.h: New file.
10238 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10241 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10244 * elxsi.md: Likewise.
10246 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10248 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10249 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10250 match the comment for MIPS16.
10252 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10254 * flow.c (split_edge): Do not call set_block_for_insn if we
10255 do not have a basic_block_for_insn structure.
10257 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10258 and destination functions are 32bit aligned within the trampoline.
10259 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10260 (TRAMPOLINE_ALIGNMENT): Define.
10262 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10263 (set (pc) (label_ref)), verify the change creates a valid insn.
10265 * fr30.c (call_operand): Tighten and rework to match rules for
10266 call RTL expressions.
10267 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10268 * fr30.md (call patterns): Improve constraints.
10270 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10272 * fr30.c (fr30_expand_epilogue): Revert last change.
10273 Use emit_jump_insn for the return insn.
10275 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10276 Stan Cox <scox@cygnus.com>
10278 * predict.c: New file. Preliminary infrastructure work for static
10279 branch prediction and basic block reordering.
10280 * basic-block.h: Add prototype for estimate_probability.
10281 * Makefile.in: Add rules for predict.o.
10283 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10285 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10286 * fixinc/*: Likewise.
10288 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10290 * cccp.c: PROTO -> PARAMS.
10291 * cexp.y: Likewise.
10292 * collect2.c: Likewise.
10293 * combine.c: Likewise.
10294 * convert.h: Likewise.
10296 * dbxout.c: Likewise.
10297 * dbxout.h: Likewise.
10298 * diagnostic.c: Likewise.
10299 * doprint.c: Likewise.
10300 * dwarf2out.c: Likewise.
10301 * dwarf2out.h: Likewise.
10302 * dwarfout.c: Likewise.
10303 * dwarfout.h: Likewise.
10304 * dyn-string.h: Likewise.
10306 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10308 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10309 macro conditionals guarding use.
10311 * dwarf2out.c: Include "tm_p.h".
10313 * function.c (locate_and_pad_parm): Mark parameter with
10315 (expand_function_end): Likewise for variable `context'.
10317 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10319 2000-01-13 Nick Clifton <nickc@cygnus.com>
10321 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10322 register to prevent compile time warnings.
10324 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10326 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10327 to avoid -Wtraditional warning.
10329 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10331 * 1750a-protos.h: New file.
10333 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10336 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10339 * 1750a.md: Likewise.
10341 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10343 * a29k-protos.h: New file.
10345 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10348 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10351 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10353 * clipper-protos.h: New file.
10355 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10358 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10361 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10363 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10365 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10367 * configure.in (--enable-new-gxx-abi): New option.
10368 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10369 * Makefile.in (GXX_ABI_FLAG): New variable.
10370 * configure: Regenerate.
10372 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10374 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10375 * tm.texi (FORCE_STRUCT_BLK): Document.
10376 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10378 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10380 * config/ns32k/ns32k.md: Revert Jan 9 change.
10382 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10383 to a mode-test, if the predicate is address_operand.
10385 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10387 * combine.c (if_then_else_cond): Be careful about what kinds
10388 of RTL expressions are passed to operand_subword.
10390 * flow.c (split_edge): If we have to insert a new jump, make
10391 sure to associate it with a basic block.
10393 * flow.c (commit_one_edge_insertion): A block with one successor
10394 can end in a JUMP_INSN that is not a simplejump.
10396 2000-01-12 Robert Lipe <robertl@sco.com>
10398 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10399 (BUILD_VA_LIST_TYPE): Define.
10400 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10403 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10405 * cccp.c (do_pragma): Add cast to (char *).
10407 2000-01-12 Richard Henderson <rth@cygnus.com>
10408 Fred Fish <fnf@be.com>
10409 Jason Merrill <jason@cygnus.com>
10411 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10412 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10413 * i386/beos-elf.h, i386/beos-pe.h: New files.
10415 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10416 * cross-make (SYSTEM_HEADER_DIR): Define using
10417 CROSS_SYSTEM_HEADER_DIR.
10419 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10420 (process_command): Use it.
10421 (main): Likewise. Kill trailing = from env vars.
10422 (build_search_list): Put it back.
10423 * collect2.c (main): Use LIBRARY_PATH_ENV.
10425 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10426 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10428 * tm.texi (Frame Layout): Document SMALL_STACK.
10429 * c-common.c (c_common_nodes_and_builtins): Check it.
10431 * system.h: Undef alloca after including glibc's <stdlib.h>,
10432 if USE_C_ALLOCA is defined.
10434 * gcc.c (set_input): New fn.
10435 (main): After all input files are compiled, reset the input file
10438 * aclocal.m4 (rindex, index): If already defined, don't attempt
10441 * ginclude/varargs.h: (__va_list__): Define ifndef.
10442 * ginclude/stdarg.h: Likewise.
10444 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10445 instead of unsigned char.
10447 * hash.h (true, false, boolean): Undef before enum.
10449 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10450 proper type of "HOST_WIDE_INT *", rather than their natural type of
10451 "unsigned HOST_WIDE_INT *".
10453 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10455 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
10457 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
10459 * regclass.c (choose_hard_reg_mode): Likewise.
10461 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
10463 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
10465 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10467 * c-common.c: PROTO -> PARAMS.
10468 * c-common.h: Likewise.
10469 * c-decl.c: Likewise.
10470 * c-iterate.c: Likewise.
10471 * c-lang.c: Likewise.
10472 * c-lex.c: Likewise.
10473 * c-lex.h: Likewise.
10474 * c-parse.in: Likewise.
10475 * c-pragma.c: Likewise.
10476 * c-pragma.h: Likewise.
10477 * c-tree.h: Likewise.
10478 * c-typeck.c: Likewise.
10479 * objc/objc-act.c: Likewise.
10480 * objc/objc-act.h: Likewise.
10482 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10484 * m88k-protos.h: New file.
10486 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
10489 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
10491 * m88k.md: Likewise.
10493 * tekXD88.h: Likewise.
10495 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10497 * m68k-protos.h: New file.
10499 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
10502 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
10504 * mot3300.h: Likewise.
10506 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
10508 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
10510 (extract_bitlist): Declare bitlen.
10512 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
10514 * cccp.c: Accept and ignore -lang-fortran.
10516 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
10517 qualifiers don't match at any level of pointerness.
10519 2000-01-12 Robert Lipe <robertl@sco.com>
10521 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
10523 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
10525 * reload1.c (reload_reg_unavailable): New static variable.
10526 (reload_reg_free_p): Test it.
10527 (reload_reg_free_for_value_p): Test it instead of
10529 (choose_reload_regs_init): Compute it.
10531 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
10533 * reorg.c (fill_slots_from_thread): Check modified_in_p
10536 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
10538 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
10539 these nodes even if INTERNALS is not set.
10541 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
10543 * gcse.c (delete_null_pointer_checks_1): Cope when
10544 get_condition cannot determine the condition.
10546 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
10548 * toplev.h (set_message_length): Declare.
10550 * diagnostic.c (obstack_chunk_alloc): Define macro.
10551 (obstack_chunk_free): Likewise.
10552 (struct output_buffer): New data structure.
10553 (vmessage): Remove.
10554 (output_maximum_width): New variable.
10555 (doing_line_wrapping, set_message_length, init_output_buffer,
10556 get_output_prefix, output_space_left, emit_output_prefix,
10557 output_newline, output_append, output_puts, dump_output,
10558 vbuild_message_string, build_message_string, build_location_prefix,
10559 voutput_notice, output_printf, line_wrapper_printf,
10560 vline_wrapper_message_with_location): New functions. Implement
10561 automatic line wrapping.
10562 (v_message_with_decl): Make it handle automatic line wrapping.
10563 (v_error_with_file_and_line): Likewise.
10564 (v_warning_with_file_and_line): Likewise.
10565 (announce_function): Likewise.
10566 (default_print_error_function): Likewise.
10568 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
10570 * cpplib.h (struct cpp_options): Change lang_asm to char.
10572 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
10573 done in cpp_handle_option now.
10574 (initialize_builtins): Take out special case code used only by
10576 (cpp_handle_option): Turn off trigraphs and trigraph warnings
10577 if -traditional. Recognize -lang-fortran and set
10578 lang_fortran, also turn off cplusplus_comments.
10579 (print_help): Document -lang-fortran.
10580 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
10581 lang_asm. Ignore all directives other than `# 123 "file"' if
10583 (cpp_get_token): If -traditional, don't recognize directives
10584 unless the # is in column 1.
10585 (parse_string): If lang_fortran or lang_asm, silently
10586 terminate strings ('' or "") at end of line.
10587 Remove unnecessary braces.
10589 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10590 Richard Henderson <rth@cygnus.com>
10592 * resource.c (mark_referenced_resources): Mark a set strict_low_part
10594 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
10595 strict_low_part when possible.
10597 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10599 * alias.c: PROTO -> PARAMS.
10600 * basic-block.h: Likewise.
10601 * bitmap.c: Likewise.
10602 * bitmap.h: Likewise.
10603 * builtins.c: Likewise.
10604 * c-aux-info.c: Likewise.
10605 * caller-save.c: Likewise.
10606 * calls.c: Likewise.
10608 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10610 * Makefile.in (toplev.o): Depend on regs.h.
10612 * output.h (tdesc_section): Prototype.
10614 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
10616 * sdbout.c: Include "tm_p.h".
10618 * toplev.c: Include "regs.h".
10620 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
10622 * unroll.c (unroll_loop): Add EH support.
10624 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10626 * pa-protos.h: New file.
10628 * pa.c: Include recog.h and tm_p.h.
10629 (compute_zdepwi_operands, compute_movstrsi_length,
10630 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
10631 find_addr_reg, import_milli): Add static prototypes.
10632 (pa_cpu_string, pa_arch_string): Constify a char*.
10633 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
10634 (read_only_operand): Add argument `mode'.
10635 (singlemove_string, output_move_double, output_fp_move_double,
10636 output_block_move, output_and, output_ior, output_ascii,
10637 remove_useless_addtr_insns, milli_names, output_mul_insn,
10638 output_div_insn, output_mod_insn, output_arg_descriptor,
10639 output_cbranch, output_bb, output_bvb, output_dbra, ,
10640 output_millicode_call, output_call, hppa_encode_label,
10641 output_parallel_movb, output_parallel_addb): Constify a char*.
10642 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
10643 (output_parallel_addb): Remove extra arg to `constrain_operands'
10645 * pa.h: Move all prototypes to pa-protos.h.
10646 (pa_cpu_string, pa_arch_string): Constify a char*.
10647 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
10649 * pa.md: Call `function_label_operand' with mode argument.
10650 Likewise for `read_only_operand'.
10651 Fix nesting of parens in call to `symbolic_operand'.
10653 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10655 * i860-protos.h: New file.
10657 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
10660 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
10662 * i860.md: Likewise.
10664 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
10666 * i386.md (movstrsi expander): Rewrite.
10667 (movstrsi_1 insn): Deleted.
10668 (strmovhi, strmovqi expander): New expanders.
10669 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
10670 * i386.c (x86_single_stringop): New global variable.
10671 * i386.h (x86_single_stringop): Declare.
10672 (TARGET_SINGLE_STRINGOP): New macro.
10674 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10676 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
10677 integer vararg POSTINCREMENT before the destination of the jump
10678 for the hard fp case.
10679 (function_arg_pass_by_reference): Pass a copy of CUM to
10682 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
10683 for CONSTANT_ADDRESS_P above while loop for subreg.
10685 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10687 * flow.c (propagate_block): When a prologue/epilogue insn
10688 is marked dead, unconditionally clear libcall_is_dead and
10689 insn_is_dead, and only dump rtl if warnings aren't being
10692 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
10694 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
10695 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
10696 (FIXED_REGISTERS): Set dirflag as fixed.
10697 (CALL_USED_REGISTERS): Set dirflag as used.
10698 (REG_ALLOC_ORDER): Set dirflag as last one.
10699 (DIRFLAG_REG): New macro.
10700 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
10701 (HI_REGISTER_NAMES): Add dirflag.
10702 (DEBUF_PRINT_REG): Handle dirflag.
10703 * i386.md (type attribute): New cld and str types.
10704 (length_opcode attribute): Set cld and str to 1.
10705 (memory attribute): Set str to unknown - it is not clear from the
10707 (pent_np function unit): Prefixed string operations takes 12 cycles
10708 minimally; cld takes 2 cycles.
10709 (ppro_uops attribute): Str is "many" and cld is "few".
10710 (ppro_p0 unit): Handle cld here.
10711 (k6_alux unit): Handle cld and str types.
10712 (k6_load unit): It is ocupied by str opcodes.
10713 (k6_store unit): It is ocupied by str opcodes.
10714 (athlon_decode): Str is vector decoded.
10715 (athlon_ieu): Handle str and cld.
10716 (cld pattern): New.
10717 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
10718 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
10719 cmpstrsi_nz_1 insn): Do not output cld instruction
10721 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
10723 * gcc.texi (G++ and GCC): Add Java and Chill.
10724 (Bug Critera): Don't list languages.
10726 * gcc.texi (Incompatibilities): No longer claim most C compilers
10729 * gcc.texi (G++ and GCC): Update other front-ends list.
10731 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
10733 * i386.c (ix86_expand_setcc): Fix typo.
10734 (ix86_expand_movcc): Similarly.
10736 * Band-aid until haifa's bitset implementation is nuked.
10737 * haifa-sched.c (extract_bitlst): New parameter for size of the
10738 bitset in bits. All callers changed. Avoid looking at undefined
10739 bits in the bitset.
10740 (edgeset_bitsize): New variable.
10741 (schedule_region): Initialize edgeset_bitsize.
10743 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10745 * Makefile.in (optabs.o): Depend on real.h
10746 (resource.o): Depend on insn-attr.h
10748 * builtins.c (result_vector): Wrap prototype in macro conditions
10749 governing definition and use.
10751 * c-common.c: Include tm_p.h.
10753 * c-lex.c: Likewise.
10755 * elfos.h: Constify a char*.
10757 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
10758 (get_attr_length, shorten_branches, profile_after_prologue): Mark
10759 parameter with ATTRIBUTE_UNUSED.
10761 * fold-const.c (exact_real_inverse): Wrap variable `i' in
10764 * haifa-sched.c (schedule_insns): Mark parameter with
10767 * optabs.c: Include real.h.
10769 * real.h (ereal_atof): Add prototype arguments.
10771 * resource.c: Include insn-attr.h.
10773 * sdbout.c (sdbout_queue_anonymous_type,
10774 sdbout_dequeue_anonymous_types): Wrap in macro
10775 SDB_ALLOW_FORWARD_REFERENCES.
10776 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
10779 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
10781 * stupid.c: Include tm_p.h.
10783 * tree.c (real_value_from_int_cst): Mark parameter with
10786 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10788 * i960-protos.h: New file.
10790 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
10793 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
10795 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10797 * combine.c (expand_field_assignment): Do not discard SUBREGs
10798 while computing nonzero_bits.
10800 2000-01-09 Nick Clifton <nickc@cygnus.com>
10802 * config/arm/arm.c: Fix compile time warnings about signed vs
10803 unsigned constants.
10804 * config/arm/arm.h: Fix compile time warnings about signed vs
10805 unsigned constants.
10807 2000-01-09 Philip Blundell <philb@gnu.org>
10809 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
10810 than `ldm' with only one register.
10811 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
10814 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
10817 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
10819 * config/ns32k/ns32k.md (load or push effective address): Operand 1
10822 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10824 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
10825 assignment used as truth value.
10827 * function.c (assign_temp): Mark parameter `dont_promote' with
10828 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
10829 PROMOTE_FOR_CALL_ONLY.
10831 * genrecog.c (write_subroutine): Mark variable `operands' with
10834 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
10837 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
10838 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
10840 * toplev.c (note_deferral_of_defined_inline_function): Likewise
10843 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10845 * config/c4x.h: Tidy up comments.
10846 * config/c4x.c: Likewise.
10848 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
10850 * fold-const.c (lshift_double, rshift_double): Handle
10851 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
10853 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10855 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
10856 in prepare_function_start().
10858 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
10860 * config/v850/v850.c (expand_epilogue): Interrupt functions no
10861 longer allocate extra stack for function calls.
10863 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10865 * config/c4x/c4x.md (*subqf3_set): Fix typo.
10867 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10869 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
10871 2000-01-07 David Edelsohn <edelsohn@gnu.org>
10873 * rs6000.c (processor_target_table): Add power3 as alias for 630.
10874 * aix43.h: Revert Aug 2 change.
10875 (HAS_INIT_SECTION): Define, not visible yet.
10876 (LD_INIT_SWITCH): Define, not visible yet.
10877 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
10879 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
10881 * collect2.c (main): Expand ld2 size further.
10882 (export_object_lst): Cast assignment to avoid warning.
10883 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
10884 (scan_prog_file, COFF): Do not collect initialization or
10885 finalization functions generated for entire shared object if
10886 init/fini support present.
10888 2000-01-07 Nick Clifton <nickc@cygnus.com>
10890 * config/elfos.h: Tidy up formatting of marcos. Make sure
10891 that .section directives are always prefixed by a tab.
10893 * config/svr4.h: Add #include "elfos.h" and remove duplicate
10896 2000-01-07 Matt Austern <austern@sgi.com>
10898 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
10901 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
10903 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
10905 (crtbegin.o, s-crtS): Likewise.
10907 2000-01-06 Richard Henderson <rth@cygnus.com>
10909 * alpha.md (adddi_2+1): Limit offset such that it will be
10910 loadable with a single ldah+lda pair.
10911 (adddi_2+2): Explicitly fail split if we can't make it work.
10913 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
10915 * protoize.c: Conditionally include unistd.h.
10916 (IS_SAME_PATH_CHAR): New macro.
10917 (IS_SAME_PATH): New macro.
10918 (CPLUS_FILE_SUFFIX): New macro.
10919 (cplus_suffix): New static variable.
10920 (is_abspath): New static function.
10921 (in_system_include_dir): Handle DOS style pathnames.
10922 (file_could_be_converted): Likewise.
10923 (file_normally_convertible): Likewise.
10924 (directory_specified_p): Likewise.
10925 (file_excluded_p): Likewise.
10926 (abspath): Likewise.
10927 (shortpath): Likewise.
10928 (referenced_file_is_newer): Likewise.
10929 (save_def_or_dec): Likewise.
10930 (do_processing): Likewise.
10932 (edit_file): Likewise. Use rename instead of link.
10933 (rename_c_file): Likewise. Don't rename syscalls file.
10934 (munge_compile_params): Define null device for DOS based systems.
10935 (process_aux_info_file): Use binary mode if appliable.
10936 (edit_file): Likewise.
10937 * invoke.texi (Running Protoize): Document C++ suffixes used.
10939 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
10940 IS_DIR_SEPARATOR macros.
10941 * collect2.c: Likewise.
10942 * cppinit.c: Likewise.
10943 * dwarf2out.c: Likewise.
10945 * gcov.c: Likewise.
10946 * prefix.c: Likewise.
10948 * toplev.c: Likewise.
10949 * system.h: And move to here.
10951 * prefix.c (update_path): Fix typo in variable name.
10953 2000-01-06 Richard Henderson <rth@cygnus.com>
10955 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
10956 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
10957 (count_reg_sets_1, count_reg_references): Likewise.
10958 (flow_loops_level_compute): Start counting actual loop depth at 1.
10959 (flow_loops_find): Likewise.
10960 * local-alloc.c (update_equiv_regs): Likewise.
10961 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
10963 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
10965 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
10966 FIRST_PSEUDO_REGISTER
10967 * dwarf2out.c: Don't include frame.h
10968 * dwarfout.c: Likewise
10969 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
10972 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
10974 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10977 * i386.c (movsf splitter): Fix typo in my last checkin.
10979 2000-01-05 Nick Clifton <nickc@cygnus.com>
10981 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
10982 own definition of this macro.
10983 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
10984 flag_data_sections or UNIQUE_SECTION_P are true.
10986 * tm.texi (UNIQUE_SECTION): Document that it can be called for
10987 unitialised data decls.
10989 * config/i386/winnt.c (i386_pe_unique_section): Cope with
10990 being called for uninitialised data.
10992 * config/i386/interix.c (i386_pe_unique_section): Cope with
10993 being called for uninitialised data.
10995 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
10996 for uninitialised data.
10998 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
10999 for uninitialised data.
11001 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11002 for uninitialised data.
11004 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11005 (UNIQUE_SECTION_P): Always generate a unique section if
11006 flag_data_sections is true.
11007 (UNIQUE_SECTION): Also generate unique sections for
11008 uninitialised data.
11009 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11010 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11013 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11015 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11018 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11020 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11021 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11022 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11023 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11024 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11026 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11028 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11030 * c-decl.c (finish_enum): Simplify code to determine minimum and
11031 maximum values of the enum, and calculate the type. Remove check
11032 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11033 the DECL_INITIAL of each enumeration constant with a copy converted
11034 to the enumeration type. When updating variant types, don't bother
11035 updating the type itself.
11037 * c-typeck.c (build_binary_op): Simplify conditional expressions
11038 when weeding out spurious signed-unsigned warnings. Add new
11039 spurious warning category: if the unsigned quantity is an enum
11040 and its maximum value fits in signed_type(result_type). Update
11042 (build_conditional_expr): Warn here if one alternative is signed
11043 and the other is unsigned.
11045 2000-01-05 Nick Clifton <nickc@cygnus.com>
11047 * config/fr30/fr30.h: Remove extraneous comments.
11049 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11051 * reload1.c (choose_reload_regs): When disabling a reload, also
11052 set reload_spill_index to -1.
11054 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11056 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11058 (m68*-*-rtemself*): New target.
11059 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11060 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11061 (sparc*-*-rtemself*): New target.
11062 (sparc*-*-rtems*): Now elf not a.out.
11063 * config/i386/rtems.h: Include config/rtems.h.
11064 * config/i386/rtemself.h: Include config/rtems.h.
11065 * config/i960/rtems.h: Include config/rtems.h.
11066 * config/m68k/rtems.h: Include config/rtems.h.
11067 * config/m68k/rtemself.h: Include config/rtems.h.
11068 * config/mips/rtems64.h: Include config/rtems.h.
11069 * config/pa/rtems.h: Include config/rtems.h.
11070 * config/rs6000/rtems.h: Include config/rtems.h.
11071 * config/sh/rtems.h: Include config/rtems.h.
11072 * config/sh/rtemself.h: Include config/rtems.h.
11073 * config/sparc/rtems.h: Include config/rtems.h.
11074 * config/sparc/rtemself.h: Include config/rtems.h
11076 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11078 * final.c (shorten_branches): Correctly compute length of
11079 asms without operands.
11081 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11083 * configure.in: Add pj target.
11084 * configure: Regenerate.
11085 * config/pj: New directory.
11086 * config/pj/lib1funcs.S: New file.
11087 * config/pj/linux.h: New file.
11088 * config/pj/pj.c: New file.
11089 * config/pj/pj.md: New file.
11090 * config/pj/pjl.h: New file.
11091 * config/pj/t-pj: New file.
11092 * config/pj/xm-pj.h: New file
11094 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11096 * toplev.c (rest_of_compilation): Run shorten-branches before
11099 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11101 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11102 macros so that they're consistent with their names.
11103 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11104 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11106 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11108 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11109 modified inadvertently.
11111 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11113 * configure.in (v850*-*-rtems*): New target.
11114 * configure: Regenerate.
11115 * config/v850/rtems.h: New file.
11117 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11119 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11120 (__gthread_key_create): Likewise.
11121 (__gthread_key_dtor): Likewise.
11122 (__gthread_once): Fix logic.
11123 (__gthread_key_delete): Cast away constness.
11125 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11126 * invoke.texi: Document.
11127 * i386/mingw32.h (CPP_SPEC): Use.
11128 (LIBGCC_SPEC): Likewise.
11129 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11131 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11133 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11134 (HANDLE_PRAGMA_PACK): Undefine.
11135 (SLOW_UNALIGNED_ACCESS): Define.
11137 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11139 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11140 to default definition.
11141 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11142 (store_fixed_bit_field): Call macro with word_mode and alignment.
11143 (extract_bit_field): Call macro with relevant mode and alignment.
11144 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11145 to default definition.
11146 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11148 (move_by_pieces_ninsns): Likewise.
11149 (clear_by_pieces): Likewise.
11150 (emit_push_insn): Likewise.
11151 (store_field): Call macro with relevant mode and alignment.
11152 (expand_expr): Likewise.
11153 (expand_expr_unaligned): Likewise.
11155 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11156 (SLOW_UNALIGNED_ACCESS): Define.
11157 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11158 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11159 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11160 (toc_section): Likewise and .toc pseudo-op.
11161 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11163 (TEXT_SECTION_ASM_OP): Likewise.
11164 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11167 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11168 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11169 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11170 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11171 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11173 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11175 * regclass.c: Revert my Jan 4 change to loop cost computation.
11177 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11179 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11182 2000-01-04 Stan Cox <scox@cygnus.com>
11184 * haifa-sched.c (build_control_flow): Change unreachable simple
11185 loop test to check if current block has only one predecessor.
11186 (find_rgns): Initialize degree. Use dest as degree index, not src.
11188 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11190 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11192 * calls.c (expand_call): Likewise for
11193 `old_stack_arg_under_construction'.
11195 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11197 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11200 * gcc.c (execute): Likewise for `ut' and `st'.
11202 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11204 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11206 * jump.c (jump_optimize_1): Likewise for `temp2'.
11208 * local-alloc.c (block_alloc): Likewise for `r1'.
11210 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11212 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11213 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11215 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11218 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11219 and `goal_earlyclobber'.
11221 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11223 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11225 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11227 * unroll.c (copy_loop_body): Likewise for `copy'.
11229 * varasm.c (output_constructor): Likewise for `byte'.
11231 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11233 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11234 all FP constants for constant->reg moves.
11235 (ix86_split_to_parts): Try to convert memory address into immediate
11236 when available in the constant pool.
11237 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11239 (LEGITIMATE_CONSTANT_P): Return 1.
11240 * i386.md (pushsf): New splitter to convert constant pool memory
11241 reference to immediate.
11242 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11245 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11247 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11248 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11249 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11250 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11251 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11253 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11255 * ginclude/stdbool.h: Support compilation as C++.
11257 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11259 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11261 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11263 * regclass.c (regclass): Properly compute loop_cost. Adjust
11266 * regclass.c: Fix minor whitespace problems.
11268 2000-01-03 Anthony Green <green@cygnus.com>
11270 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11271 Restore the pic register if required.
11273 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11275 * c-common.c (format_char_info): Update comment.
11276 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11277 was recognized. Emit warning for formats new in ISO C99 only
11278 if flag_isoc9x is not set.
11280 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11282 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11284 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11286 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11287 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11288 (make_compound_operation): Choose cheaper alternative between
11289 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11291 * regclass.c (op_costs): Remove global variable.
11292 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11293 (record_operand_costs): Break out from ...
11294 (scan_one_insn): ... here.
11295 (dump_regclass): Make dumps nicer.
11296 (regclass): Dump preferrences choosed and changes done during passes.
11298 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11300 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11302 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11304 * config/sparc/sparc.c (gen_df_reg): New function.
11305 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11306 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11307 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11308 movtf_cc_reg_sp64+1): Use it.
11310 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11312 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11313 copied LABEL_DECLs.
11315 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11317 * config/i386/i386.c (ix86_expand_unary_operator): Function
11318 definition made void.
11319 (ix86_expand_binary_operator): Update outdated preceding comment.
11320 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11323 * config/i386/i386.c (override_options): Fix option-name typo.
11325 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11327 * system.h (CEIL): Define.
11328 * builtins.c (CEIL): Remove.
11329 * expmed.c (CEIL): Likewise.
11330 * expr.c (CEIL): Likewise.
11331 * stor-layout.c (CEIL): Likewise.
11333 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11335 * expr.c (store_constructor_field): Fix typo introduced with last
11338 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11340 * tree.h (BINFO_N_BASETYPES): New macro.
11342 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11344 * expmed.c (emit_store_flag): Prevent losing a pending stack
11345 adjust the same way we prevent losing queued increments.
11347 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11349 * function.c (update_temp_slot_address): Handle case where sum of
11350 temporary address plus offset in register is a valid address.
11352 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11354 * genrecog.c (change_state) Corrected typo.
11356 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11358 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11359 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11360 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11362 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11364 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11365 case, expand GT comparisons correctly. Fix a comment before this
11368 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11370 * dwarfout.c: Include "frame.h"
11371 * dwarf2out.c: Likewise.
11372 * Makefile.in (dwarfout.o): Depend on frame.h
11373 (dwarf2out.o): Likewise.
11375 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11377 Restore i386 binary compatibility in Dwarf EH info.
11378 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11379 value of FIRST_PSEUDO_REGISTER.
11380 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11381 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11382 * dwarfout.c (output_reg_number): Ditto.
11383 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11384 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11386 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11388 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11389 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11390 (<hack>_RE_CT): not needed
11391 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11392 rewritten to scan the file text once only
11393 "template<..." test added
11394 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11395 (is_cxx_header): declaration added
11396 * fixinc/fixtests.c(is_cxx_header): removed
11397 (apply_fix_p_t): removed
11398 (double_slash_test): is_cxx_header is only called once now
11399 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11400 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11401 within the templates.
11402 The borken spelling of "broken" was fixed.
11403 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11404 The default level depends on FIXINC_DEBUG.
11406 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11408 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11409 Otherwise provide a declaration for atexit.
11410 (init_dummy): Make sure dummy call to atexit is nevertheless
11411 called with correct number of args.
11413 * frame.c: Update comments referring to other files.
11415 * libgcc2.c: Likewise.
11417 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11419 * cse.c (free_element, get_element): Remove unused prototypes.
11421 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11424 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11427 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11429 * configure.in,configure: case arm for mn10200-*-* now sets
11430 float_format=i32 so that float.h will correctly claim "double"
11431 to be 32 bits. Ran autoconf to generate configure from .in file.
11433 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11435 * pa.md (conditional zero): If op1 is a register, force it into
11436 the same register as op0.
11438 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11440 * tree.h (BINFO_BASETYPES): Improve documentation.
11442 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11444 * configure.in (--enable-checking): Use a more portable `for'
11447 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11449 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11450 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11452 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11455 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
11456 Delete descriptions.
11458 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
11459 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
11460 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
11461 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
11462 xm-svr4.h: Remove all instances of sys_siglist handling.
11464 1999-12-27 Jakub Jelinek <jakub@redhat.com>
11466 * config/sparc/sparc.md (cmp_zero_qi,
11467 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
11468 cmp_zero_extendqidi2_andcc_set): New patterns.
11470 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
11472 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
11473 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
11474 (fpgnulib.c, xfgnulib.c): Add rules.
11475 * m68k/t-mot3300-gas: Likewise.
11477 1999-12-27 Ian Lance Taylor <ian@zembu.com>
11479 * configure.in: Avoid [[ by using test and changequote. Add
11480 changequote required by 1999-12-14 change.
11481 * configure: Rebuild.
11483 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
11485 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
11487 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
11489 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
11490 * flow.c (find_use_as_address): Likewise.
11491 * function.c (fixup_var_refs_1): Likewise.
11492 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
11493 * jump.c (invert_exp, redirect_exp): Likewise.
11494 * loop.c (replace_call_address): Likewise.
11495 (count_nonfixed_reads): Likewise.
11496 * rtlanal.c (modified_between_p): Likewise.
11497 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
11498 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
11499 * unroll.c (remap_split_bivs): Likewise.
11501 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11503 * diagnostic.c (v_message_with_decl): Use .* format specifier
11504 instead of building the format specifier width manually.
11506 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
11507 determining whether to provide a prototype. Remove the
11508 sys_siglist clause in the conditional.
11510 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11512 * fold-const.c (operand_equal_p): Use memcmp to compare string
11514 Suggested by D. J. Bernstein
11516 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11518 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
11519 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11521 * config/mips/mips.h (TARGET_64BIT): Likewise.
11522 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
11523 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
11524 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
11525 dsps. Give routines proper names if SI/DI modes are not used.
11526 * longlong.h: Use DWunion instead of DIunion.
11528 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
11530 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
11531 GC_CHECKING, GC_ALWAYS_COLLECT.
11532 * configure.in: Allow --enable-checking with an argument
11533 listing check modes to enable.
11534 * config.in, configure: Rebuilt.
11535 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
11536 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
11537 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
11538 ENABLE_GC_ALWAYS_COLLECT.
11539 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
11541 * tree.h, tree.c: Change ENABLE_CHECKING to
11542 ENABLE_TREE_CHECKING throughout.
11544 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11546 * fold-const.c (fold_truthop): Properly check for FP RHS.
11548 1999-12-24 Mark Mitchell <mark@codesourcery.com>
11550 * toplev.h (note_deferall_of_defined_inline_function): Declare.
11551 * toplev.c (note_deferral_of_defined_inline_function): New
11552 function, split out from ...
11553 (rest_of_compilation): ... here. Use it.
11555 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11557 * expr.c (store_constructor): Don't call clear_storage if size is
11560 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11562 * Makefile.in (toplev.o): Depend on loop.h.
11564 * dwarfout.c: Include tm_p.h.
11566 * emit-rtl.c (restore_emit_status): Mark parameter with
11569 * final.c (final_scan_insn): Likewise.
11571 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
11572 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
11573 flow_depth_first_order_compute, flow_loop_pre_header_find,
11574 flow_loop_tree_node_add, flow_loops_tree_build,
11575 flow_loop_level_compute, flow_loops_level_compute,
11576 flow_loop_outside_edge_p): Add prototypes.
11577 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
11579 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
11580 Mark with ATTRIBUTE_NORETURN.
11582 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
11584 * local-alloc.c (no_conflict_p): Likewise.
11586 * loop.c (insert_bct): Hide definitions of variables with hidden
11588 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
11590 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
11591 with ATTRIBUTE_UNUSED.
11592 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
11593 (reg_scan): Likewise.
11595 * reload.c (find_reloads): Remove unused variables `changed'.
11597 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
11599 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
11600 Remove unused variable `insn'.
11602 * toplev.c: Include loop.h.
11603 (report_file_and_line): Remove unnecessary prototype.
11605 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
11607 * unroll.c (biv_total_increment): Likewise.
11609 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11611 * reload1.c (emit_input_reload_insns): Restore old behaviour
11612 wrt. 'special' reloads.
11614 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
11616 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
11617 hash.h. (cse.c): Don't depend on hashtab.h.
11619 * cse.c: Don't include hashtab.h.
11620 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
11622 * ggc-simple.c: Don't include hash.h.
11624 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
11626 * dwarf2out.c (add_abstract_origin_attribute): Call
11627 gen_abstract_function on our function context.
11629 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
11631 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
11633 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11635 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
11638 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11640 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
11641 constraints to "a!r".
11643 1999-12-21 Mark Mitchell <mark@codesourcery.com>
11645 * Makefile.in (calls.o): Depend on function.h.
11646 (alias.o): Likewise.
11648 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
11650 * reload1.c (emit_reload_insns): Break out code and variables into...
11651 (input_reload_insns, other_input_address_reload_insns,
11652 other_input_reload_insns, input_address_reload_insns,
11653 inpaddr_address_reload_insns, output_reload_insns,
11654 output_address_reload_insns, outaddr_address_reload_insns,
11655 operand_reload_insns, other_operand_reload_insns,
11656 other_output_reload_insns): ... new static variables, and...
11657 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
11658 do_output_reload): ... new functions.
11660 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11662 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
11664 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11666 * md.texi: Add c4x constraints documentation.
11668 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11670 * config/i386/dgux.c (struct option): Rename to
11671 lang_independent_option.
11672 (struct m_options): Add description field.
11673 (output_options): Rename option type, add sep declaration, output
11674 ix86_cpu_string and ix86_arch_string only if set.
11675 (output_file_start): Rename option type.
11677 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
11679 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
11681 (libgcc2.a): Similarly.
11683 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
11685 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
11686 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
11687 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
11689 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
11691 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
11692 Remove redundant initialization of "frexpon" and "expon".
11694 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11696 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
11698 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
11699 (store_constructor_field, expand_expr): Pass new arg.
11701 1999-12-20 Mark Mitchell <mark@codesourcery.com>
11703 * Makefile.in (explow.o): Depend on function.h.
11705 * stor-layout.c (set_sizetype): Fix typo.
11707 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
11709 * function.c (cfun): Renamed from current_function. All users
11711 * function.h (cfun): Rename declaration as well.
11713 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
11714 to be of type regset_head, not regset. All users changed by adding
11716 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
11718 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11720 * config/c4x/rtems.h: New file.
11722 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
11724 * reload1.c (spill_failure): Take class of failed reload as argument
11725 and print it. Caller changed.
11727 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11729 * rs6000.h (SUBTARGET_DEFAULT): New macro.
11730 (TARGET_SWITCHES): Allow subtargets to default switches.
11731 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
11733 1999-12-18 Mark Mitchell <mark@codesourcery.com>
11735 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
11738 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
11740 * cccp.c (main): Define __STDC_VERSION__ as necessary.
11741 * cppinit.c (cpp_handle_option): Likewise.
11743 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
11744 determine when to define.
11746 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
11748 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
11749 cmove with mismatched test and data modes.
11751 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
11753 * c-typeck.c (c_expand_start_case): Don't warn for long switch
11756 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11758 * alias.c: Minor reformatting.
11759 * flow.c: Likewise.
11760 * regs.h: Likewise.
11761 * stor-layout.c: Likewise.
11762 * fold-const.c: Likewise.
11763 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
11764 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
11766 (size_int_wide): Cache nodes even if garbage collecting.
11767 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
11768 of SAVE_EXPR has no side effects.
11769 * cse.c: Move a comment.
11770 * tree.c: Minor reformatting.
11771 (int_size_in_bytes): Return -1 if constant overflows.
11773 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11775 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
11777 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
11779 * objc/objc-parse.c: Regenerate. This file must be rebuilt
11780 after any change to c-parse.in, even if objc-parse.y didn't
11783 1999-12-18 David S. Miller <davem@redhat.com>
11785 * toplev.c (rest_of_compilation): Restore BLOCK tree
11786 reconstruction and branch shortening changes lost in
11787 December 18th change.
11789 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
11791 * config/arm/linux-elf.h: Change all instances of
11792 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
11793 * config/arm/uclinux-elf.h: Likewise.
11795 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
11797 * toplev.c (notice, vmessage, v_message_with_file_and_line,
11798 v_message_with_decl, file_and_line_for_asm,
11799 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
11800 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
11801 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
11802 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
11803 pfatal_with_name, fatal_io_error, need_error_newline,
11804 last_error_function, last_error_tick, announce_function,
11805 default_print_error_function, print_error_function,
11806 report_error_function, fnotice, error_with_file_and_line,
11807 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
11808 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
11809 warning_with_decl, warning_for_asm, warning, pedwarn,
11810 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
11812 (compile_file): Use fnotice instead of notice. Adjust call.
11814 * diagnostic.c: New file.
11816 * Makefile.in (OBJS): Include diagnostic.o
11817 (diagnostic.o): Define dependence.
11819 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11821 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
11824 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11826 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
11828 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11830 * fixtests.c (is_cxx_header): New fn, split out of
11832 (else_endif_label): Allow "#endif // comment" in C++ headers,
11833 as determined by is_cxx_header.
11834 * fixfixes.c (else_endif_label_fix): Update comment.
11835 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
11837 * genfixes: Correct double thinko in commandline parsing.
11838 * hackshell.tpl: Generate correct sh syntax for bypass
11841 * inclhack.def (all): Whenever an inserted preprocessor
11842 conditional is split over multiple lines, use double
11843 backslashes in this file so the fixed header will be readable.
11845 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
11846 and add bypass entry for correct version of this header.
11847 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
11848 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
11850 (hpux8_bogus_inlines): New fix, split from...
11851 (ultrix_atof_param) ... here.
11852 (math_expression): Add bypass entry keyed to glibc comment
11853 indicating the problem has been dealt with; disable
11854 unnecessary sed operations; update commentary.
11855 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
11856 add select and bypass entries, simplify shell operation.
11857 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
11859 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
11860 ultrix_atof_param): Add select entry.
11861 (stdio_va_list, sunos_mather_decl): Add bypass entry.
11862 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
11863 comments with the fixes they describe.
11865 * c-parse.in (string action): Do not warn about ANSI string
11866 concatenation in system headers. Affects C parser only.
11867 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
11869 1999-12-16 Jakub Jelinek <jakub@redhat.com>
11871 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
11872 compiling libgcc2 the macro depends always on arch cpp defines.
11874 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
11876 * loop.c (insert_loop_mem): Don't record MEMs from inside
11879 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
11881 * regclass.c (regclass): Do not use flowgraph when not optimizing.
11883 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
11884 notes too, create one when replacement failed, attempt to simplify
11886 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
11887 or REG_EQUIV notes.
11889 1999-12-16 Mark Mitchell <mark@codesourcery.com>
11891 * crtstuff.c (__dso_handle): Declare.
11892 (__cxa_finalize): Likewise.
11893 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
11896 * invoke.texi: Document -fuse-cxa-atexit.
11898 * tree.h (ptr_type_node): Document.
11899 (const_ptr_type_node): Likewise.
11901 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11903 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
11904 (optimize_reg_copy_2): Likewise.
11905 (optimize_reg_copy_3): Likewise.
11906 (fixup_match_2): Likewise.
11907 (regmove_optimize): Likewise.
11908 (fixup_match_1): Liekwise.
11910 * i386.md (HI to SImode promoting splitters): Rewrite.
11911 (pushsf mem peep2): New.
11912 (testhi to andhi peep2): Remove.
11913 * i386.h (x86_promote_QImode): New.
11914 (TARGET_PROMOTE_QImode): New.
11915 (PREDICATE_CODES): Add promotable_binary_operator.
11916 * i386.c (x86_promote_QImode0: New.
11917 (promotable_binary_operator): New.
11918 * i386-protos.h (promotable_binary_operator): New.
11920 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
11922 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
11924 1999-12-16 Mark Mitchell <mark@codesourcery.com>
11926 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
11927 * function.c (insert_block_after_note): Remove.
11928 (retrofit_block): Likewise.
11929 (identify_blocks): Fix indentation.
11930 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
11931 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
11932 * function.h (insert_block_after_note): Remove prototype.
11933 (retrofit_block): Likewise.
11934 * integrate.c (expand_inline_function): Don't call
11935 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
11936 just expand_start_bindings. Use the block_map to remap old
11937 NOTE_BLOCKs to new ones.
11938 (integrate_decl_tree): Keep track of remapped blocks.
11939 * integrate.h (struct inline_remap): Add block_map.
11940 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
11941 NOTE_BLOCK on the notes.
11942 (expand_start_bindings): Rename to ...
11943 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
11944 (expand_end_bindings): Set NOTE_BLOCK.
11945 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
11946 reconstruct the BLOCK tree.
11947 * tree.h (expand_start_bindings): Macroize. Call ...
11948 (expand_start_bindings_and_block): New function.
11950 1999-12-16 Jakub Jelinek <jakub@redhat.com>
11952 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
11953 to match the format.
11955 1999-12-16 David S. Miller <davem@redhat.com>
11957 * expr.c (emit_move_insn_1): Only emit clobbers if one of
11958 the outputs is a SUBREG.
11959 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
11962 * config/sparc/sparc.c (epilogue_renumber): Add default case
11965 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11967 * toplev.c (rest_of_compilation): Run branch shortening after
11970 * regclass.c (loop_depth): Remove
11971 (scan_one_insn): Do not handle LOOP_NOTE insns.
11972 (regclass): Go through basic blocks and set loop_cost
11974 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
11976 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
11978 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11980 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
11981 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
11982 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
11984 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
11986 * loop.c (insert_loop_mem): Ignore memory clobbers.
11988 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
11991 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
11993 * profile.c: Remove redundant #include "output.h".
11995 * h8300.md (HImode preinc peephole): Fix typo.
11997 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
11999 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12000 (insert_block_after_note): Abort if we don't have a previous block.
12001 Remove FN parameter.
12002 * function.h: Adjust.
12004 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12006 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12007 argument more than once.
12009 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12011 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12013 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12015 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12017 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12019 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12020 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12021 update stack_alignment_needed.
12022 (prepare_function_start): Initialize stack_alignment_needed
12023 * function.h (struct function): Add field stack_alignment_needed.
12025 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12027 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12028 Handle live_throughout / dead_or_set instead of live_before /
12030 (save_call_clobbered_regs): Get register livenessinformation from
12031 chain->live_throughout.
12032 (add_stored_regs): New function.
12033 (insert_restore, insert_save): Add restored / saved registers to
12035 * global.c (reg_dies): New parameter chain.
12036 (reg_becomes_live): Third parameter is regs_set now.
12037 Changed all callers.
12038 (reg_dies): New parameter chain. Changed all callers.
12039 (build_insn_chain): Set live_throughout instead of
12040 live_before / live_after.
12041 * reload.h (struct insn_chain): Replace members live_before /
12042 live_after with live_throughout / dead_or_set.
12043 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12044 instead of live_before / live_after.
12045 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12046 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12047 (choose_reload_regs_init): Likewise.
12048 * stupid.c (current_chain, find_clobbered_regs): Delete.
12049 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12050 instead of chain->live_before / chain->live_after.
12051 (mark_hard_ref): New function.
12052 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12054 1999-12-15 David S. Miller <davem@redhat.com>
12056 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12058 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12060 * flow.c (calculate_loop_depth): Make global, remove prototype,
12061 rewrite to use new loop infrastructure.
12062 (find_basic_block): Remove calculate_loop_depth call.
12063 * toplev.c (rest_of_compilation): Call find_basic_block.
12064 * output.h (calculate_loop_depth): Declare.
12066 * flow.c (dump_flow_info): Dump loop_depth.
12067 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12069 (flow_loops_find): Initialize the loop_depth for each basic block.
12071 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12073 * tree.c (decl_function_context): Handle virtual functions.
12075 * tlink.c (scan_linker_output): Don't look in demangled name when
12076 looking for linker output keywords.
12078 * dwarfout.c (output_type): We can defer namespace-scope classes.
12080 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12082 * regclass.c (record_reg_classes): Update comment for merging
12083 register class preferences in reg->reg copies. Tighten conditions
12084 for merging register class preferences in reg->reg copies.
12086 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12088 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12090 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12092 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12093 (INIT_SECTION_ASM_OP): Delete.
12094 (FINI_SECTION_ASM_OP): Delete.
12095 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12097 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12099 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12100 the abstract origin wasn't emitted.
12102 * dwarf2out.c (class_scope_p): New fn.
12103 (gen_subprogram_die): Use it.
12104 (gen_variable_die): Use it. Tweak logic.
12105 (gen_struct_or_union_type_die): Check context_die to determine
12106 if we're function-local.
12107 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12109 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12111 * loop.c (check_dbra_loop): Can't reverse a biv that has
12112 maybe_multiple set.
12114 1999-12-14 Nick Clifton <nickc@cygnus.com>
12116 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12119 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12121 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12122 for givs made from biv increments.
12124 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12126 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12127 * alpha.c (override_options): Recognize -mcpu=ev67.
12128 * alpha.h (CPP_CPU_EV67_SPEC): New.
12129 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12130 (EXTRA_SPECS): Update.
12132 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12134 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12135 appropriate for -lang-c89 and -std=*.
12136 * cppinit.c (cpp_handle_option): Likewise.
12137 (new_pending_define): New, split out from cpp_handle_option.
12138 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12139 or enable trigraphs for -ansi/-std=*.
12141 * ginclude/stdarg.h (__va_copy): New.
12142 (va_copy): Don't define for C89.
12144 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12146 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12147 for long long multiply-accumulate.
12149 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12151 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12152 optimizing for size.
12154 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12156 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12157 if something changed. Back out that part of yesterday's changes.
12159 * loop.c (loop_max_reg): New static variable.
12160 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12162 (scan_loop): Call reg_scan_update whenever we may have added new
12163 registers, and update loop_max_reg.
12165 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12167 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12168 when source does not die.
12170 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12172 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12174 * config/sparc/linux64.h (TARGET_LIVE_G0,
12175 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12177 * config/sparc/linux.h (TARGET_LIVE_G0,
12178 TARGET_BROKEN_SAVERESTORE): Likewise.
12179 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12180 TARGET_BROKEN_SAVERESTORE): Likewise.
12182 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12183 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12185 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12186 as sparc64 block profiling register.
12187 * config/sparc/sparc.c (sparc_override_options): Allow block
12188 profiling with -m32.
12189 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12190 profiling register.
12191 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12192 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12193 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12195 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12197 * config/sparc/sparc.h: Likewise.
12198 * config/sparc/xm-sysv4-64.h: Likewise.
12199 * config/float-sparc.h: Likewise.
12200 * glimits.h: Likewise.
12201 * longlong.h: Likewise.
12203 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12204 (ASM_IDENTIFY_GCC): Remove.
12206 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12208 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12209 (simplify_logical): Likewise.
12211 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12213 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12214 * cppfiles.c (INO_T_EQ): Likewise.
12216 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12218 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12219 * i386/mingw32.h (LIB_SPEC): Likewise.
12220 (STARTFILE_SPEC): Likewise.
12221 * i386/uwin.h (LIB_SPEC): Likewise.
12222 (STARTFILE_SPEC): Likewise.
12224 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12225 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12227 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12229 * combine.c (combine_simplify_rtx): Fix order of checks for
12230 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12232 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12234 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12235 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12237 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12239 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12241 * regclass.c (inv_reg_alloc_order): New array.
12242 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12244 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12245 counted_for_groups, counted_for_nongroups. Add fields rld and
12247 * reload.c (push_secondary_reload): Don't set nongroup field of
12249 (push_reload): Likewise.
12250 (find_reloads): Delete code to compute nongroup fields.
12251 * reload1.c (reload_insn_firstobj): New static variable.
12252 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12254 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12255 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12256 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12258 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12260 (struct hard_reg_n_uses): Deleted.
12261 (potential_reload_regs): Deleted.
12262 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12263 (reload): Don't try to allocate reload registers if we already know
12264 we have to make another pass. Call select_reload_regs. Free memory
12265 starting with reload_firstobj when starting another pass.
12266 Don't allocate spilled_pseudos.
12267 (calculate_needs_all_insns): Call copy_reloads for an insn that
12268 needs reloads; don't call calculate_needs.
12269 (spill_cost): New static array.
12270 (used_spill_regs_local): New static variable.
12271 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12272 to compute potential_reload_regs.
12273 (find_reload_regs): Completely rewritten to use find_reg.
12274 (allocate_reload_reg): Don't test counted_for_groups or
12275 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12276 all cllers changed.
12277 (choose_reload_regs): Add fallback code that uses the existing
12278 register allocation from find_reload_regs.
12280 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12282 * flow.c (create_edge_list): Cast xmalloc return value.
12284 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12286 * doprnt.c: Remove incorrect comment closure.
12288 * cse.c: Fix a few minor whitespace goofs.
12290 1999-12-13 Don Bowman <don@pixstream.com>
12292 * mips/vxworks.h: Fix problem with comment termination.
12293 (EXTRA_SECTIONS): Add in_sbss.
12294 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12296 1999-12-12 David S. Miller <davem@redhat.com>
12298 * cse.c (struct cse_reg_info): Add hash_next member,
12299 reorder rest of struct for better packing on 64-bit
12301 (cse_reg_info_tree): Kill.
12302 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12303 REGHASH_FN): New custom pow2 hash mechanism.
12305 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12306 use a pow2 hash table.
12307 (get_cse_reg_info): Rework to use new REGHASH.
12308 (new_basic_block): Likewise, use HASH_SIZE, and inline
12310 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12311 and inline free_element call.
12312 (lookup_as_function, insert, flush_hash_table, invalidate,
12313 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12314 invalidate_for_call, use_related_value, find_comparison_args,
12315 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12316 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12317 get_element): Kill.
12319 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12321 * cse.c (cse_basic_block): Free qty_table consistently.
12323 1999-12-12 David S. Miller <davem@redhat.com>
12324 Jakub Jelinek <jakub@redhat.com>
12326 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12327 SUBREGs by hand, gen the appropriate hard reg directly.
12328 (movtf reg/mem split): Likewise and alter_subreg on destination
12330 (movtf mem/reg split): Similarly.
12331 (movdf_cc_sp64): Rename from hidden pattern.
12332 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12333 (movtf_cc_sp64, following split): New pattern and splitter.
12334 (movdf_cc_reg_sp64): Rename from hidden pattern.
12335 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12337 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12339 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12341 * loop.c (load_mems): Don't hoist written floating point mem
12344 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12346 * except.h (struct eh_queue): Add `next' pointer.
12347 (struct eh_status): Make x_ehqueue a pointer.
12348 (push_ehqueue): Declare.
12349 (pop_ehqueue): Likewise.
12350 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12352 (expand_fixup_region_end): Likewise.
12353 (expand_leftover_cleanups): Likewise.
12354 (push_ehqueue): Define.
12355 (pop_ehqueue): Likewise.
12356 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12357 than doing it inline.
12358 (expand_start_all_catch): Adjust now that ehqueue is a
12360 (mark_eh_queue): Mark all level of the queue.
12361 (mark_eh_status): Adjust now that ehqueue is a
12363 (init_eh_for_function): Allocate ehqueue.
12364 (free_eh_status): Free it.
12365 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12366 expansion for a fixup.
12368 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12370 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12372 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12373 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12374 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12375 function_ptr, getpagesize, __enable_execute_stack,
12376 __enable_execute_stack, __clear_insn_cache,
12377 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12378 _cleanup, _exit, __default_terminate, __terminate_func,
12379 __terminate, __empty, __throw, new_eh_context,
12380 eh_context_initialize, eh_context_static, eh_context_specific,
12381 get_eh_context, __get_eh_context, __get_eh_info,
12382 init_reg_size_table, eh_threads_initialize,
12383 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12384 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12385 __pure_virtual): Add prototype arguments.
12386 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12387 Cast a signed value to unsigned long when comparing against one.
12388 (new_eh_context): Wrap in _GTHREADS macro.
12389 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12391 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12392 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12394 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12396 * combine.c (record_promoted_value): Remove unused variable
12399 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12401 * global.c (record_conflicts): Likewise for `j'.
12403 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12406 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12408 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12409 output_fp_compare): Constify a char*.
12411 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12413 (override_options, ix86_comp_type_attributes, print_operand,
12414 output_387_binary_op, output_fix_trunc, output_fp_compare):
12416 (ix86_sched_reorder): Mark parameter `clock_var' with
12419 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12421 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12423 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12424 operand, for use in the Java front-end.
12426 1999-12-10 Ben Collins <bcollins@debian.org>
12428 * configure.in: Fix typo for "-64" in 64bit as check.
12429 * configure: Rebuilt.
12431 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12433 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12436 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12438 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12439 concatenation is utilized.
12441 * invoke.texi (-Wtraditional): Document it.
12443 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12445 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12446 Cast a ptrdiff_t to long and pass it to printf with %ld.
12448 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12450 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12451 68881, we have no 68881 registers at all.
12452 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12453 value in a 68881 register if it is available.
12455 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
12457 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
12458 for long long multiply-accumulate.
12460 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12462 * loop.c (insert_loop_mem): Undo last change.
12464 1999-12-10 David S. Miller <davem@redhat.com>
12466 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
12468 * config/sparc/sparc-protos.h: Add them.
12469 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
12470 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
12471 constraints which use those helpers.
12472 (EXTRA_CONSTRAINT): Use this new macro.
12473 * md.texi: Update sparc target constraints documentation.
12474 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
12475 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
12476 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
12477 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
12478 (movsf high/lo_sum split): Rework for new patterns.
12479 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
12481 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12483 * c-common.c (c_common_nodes_and_builtins):
12484 Create __builtin_ptrdiff_t and __builtin_size_t.
12486 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
12488 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
12490 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12492 * regclass.c (globalize_reg): Re-instate test that allows
12493 fixed registers to be declared as a variable even after functions
12496 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12498 * i386.md (cpu attribute): Add "athlon".
12499 (athlon_decode): New attribute.
12500 (Athlon scheduling units definitions): New.
12501 (fcmp and shld patterns): Set athlon_decode to "vector".
12502 * i386.c (athlon_cost): New.
12504 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
12505 x86_use_sahf): Set for Athlon.
12506 (x86_use_fiop): Unset for Athlon.
12507 (override_options): Define Athlon alignments and "athlon" name.
12508 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
12509 * i386.h (TARGET_ATHLON): New.
12510 (enum processor_type): Add PROCESSOR_ATHLON.
12511 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
12513 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
12515 1999-12-09 Andreas Jaeger <aj@suse.de>
12517 * loop.c (record_biv): Declare parameter as int.
12519 * config/i386/i386-protos.h: Declare long_memory_operand.
12521 1999-12-09 Mark Mitchell <mark@codesourcery.com>
12523 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
12524 EXPR_WITH_FILE_LOCATION.
12526 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12528 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
12531 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
12533 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
12536 1999-12-09 Jakub Jelinek <jakub@redhat.com>
12538 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
12539 default on linux64 again.
12540 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
12541 models for multilibing.
12542 * genmultilib: Accept | as alternative separator within a set in
12545 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
12547 * calls.c (precompute_arguments): Make sure initial_value contains
12548 value pseudo which CSE expects.
12549 * cse.c (struct set): New entry orig_src.
12550 (cse_insn): Set it early on entry, use it for libcall EQUIV note
12553 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
12555 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
12557 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
12559 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
12561 1999-12-08 Jakub Jelinek <jakub@redhat.com>
12563 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
12564 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
12566 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
12569 * longlong.h: Merge in changes from glibc.
12570 Also don't clobber %g2 register in 32bit SPARC assembly, so that
12571 -mno-app-regs libgcc can be compiled.
12572 * libgcc2.c: Add defines so that the updated longlong.h
12573 can be used in libgcc2.a. Also, make sure on most architectures
12574 (at least on all which have optimized code in longlong.h defined
12575 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
12577 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12579 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
12580 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
12581 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
12583 * configure: Rebuilt.
12585 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
12587 * alpha.c (secondary_reload_class): For !BWX, sub-simode
12588 outputs require a register.
12590 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
12592 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
12593 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
12594 functions like dptoul will be resolved.
12595 (libgcc2.a): Make sure that the object files from DPBIT are named
12596 differently (prefix `_dp') from those that would be coming from
12599 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
12601 * configure.in: When target is sparc* and tm_file contains 64,
12602 test for 64bit support in assembler. If not supported, remove
12603 sparc/t-sol2-64 from target-dependent Makefile fragments.
12604 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
12605 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
12606 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
12607 * acconfig.h (AS_SPARC64_FLAG): Added.
12608 * configure, config.in: Rebuilt.
12609 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
12610 support. Use AS_SPARC64_FLAG.
12612 1999-12-07 Jakub Jelinek <jakub@redhat.com>
12614 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
12615 suitable for holding OFmode values so that gcc works with complex
12617 (hard_64bit_mode_classes): Likewise.
12619 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
12620 so that it is actually matched.
12621 (sethi_di_medlow): Likewise.
12623 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
12624 as legitimate constant if -mvis.
12625 * config/sparc/sparc.md (movtf): Likewise.
12626 (clear_sf): Use const_double_operand.
12627 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
12629 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
12630 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
12631 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
12632 routines, _Qp_* cannot be handled like that now.
12633 (INIT_TARGET_OPTABS): Likewise.
12634 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
12635 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
12636 sparc_emit_float_lib_cmp if ARCH64 and soft float.
12637 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
12638 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
12639 divtf3, sqrttf3): New expanders.
12640 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
12641 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
12642 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
12645 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
12646 * configure: Rebuilt.
12647 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
12648 -mcpu is given and we're doing 64bit compiles.
12650 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
12652 * loop.h (struct induction): Add multi_insn_incr.
12653 * loop.c (basic_induction_var): New multi_insn_incr argument.
12654 Set it if we search back through previous insns for the biv.
12655 (record_biv): New multi_insn_incr argument; fill in struct induction.
12656 (strength_reduce): Discard an iv with multiple bivs, any of
12657 which require multiple insns to increment.
12659 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12661 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
12664 1999-12-06 David S. Miller <davem@redhat.com>
12666 * combine.c (check_promoted_subreg): Do not conditionalize this upon
12667 PROMOTE_FUNCTION_RETURN.
12669 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
12671 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
12672 and handle REG_UNUSED note on insn.
12674 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
12675 inner_mask instead of mask.
12677 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
12679 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
12680 zero if there was an error.
12682 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12684 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
12687 * longlong.h: Fix clobbers in SPARC asm statements.
12689 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
12690 valid sethi operations when TARGET_ARCH64.
12692 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
12693 always use move_by_pieces to avoid infinite recursion.
12694 (restore_fixed_argument_area): Likewise.
12696 * combine.c (check_promoted_subreg, record_promoted_value): New
12698 (combine_instructions): Use them to retain nonzero and sign bit
12699 information after SUBREGs are eliminated by optimizations in
12700 this pass if PROMOTE_FUNCTION_RETURN.
12702 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
12703 .register declaration. Don't use variables with __ prefixes.
12705 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12707 * fold-const.c (optimize_bit_field_compare): Only use one mode
12708 for both RHS and LHS in non-constant case.
12710 1999-12-06 Nathan Sidwell <nathan@acm.org>
12712 * frame.c (start_fde_sort): Only allocate erratic array, if
12713 linear one was allocated. Return allocated flag.
12714 (fde_insert): Only insert, if there's a valid array.
12715 (fde_end_sort): Split, sort and merge if linear and erratic
12716 arrays exist, else just sort linear one.
12717 (search_fdes): New function. Linear search through original fde
12719 (frame_init): Permit multiple initializations. Cope with
12721 (find_fde): Fallback on linear search, if failed to sort array.
12722 (__deregister_frame_info): Only free sorted array, if we
12725 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12727 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
12729 1999-12-05 Jakub Jelinek <jakub@redhat.com>
12731 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
12733 1999-12-05 Mark Mitchell <mark@codesourcery.com>
12735 * tree.h (special_function_p): Declare.
12736 * calls.c (special_function_p): Make it global. Don't take `name'
12737 as a parameter. Fix typo in 1999-11-28 change.
12738 (expand_cal): Adjust.
12740 1999-12-04 Mark Mitchell <mark@codesourcery.com>
12742 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
12743 * tree.h (EXPR_WFL_FILENAME): Define in terms of
12744 EXPR_WFL_FILENAME_NODE.
12745 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
12747 * print-tree.c (print_note): Print TREE_PRIVATE and
12750 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
12751 the original die cannot be found.
12753 * varray.h (varray_head_tag): Add elements_used.
12754 (VARRAY_PUSH): New macro.
12755 (VARRAY_POP): Likewise.
12756 (VARRAY_TOP): Likewise.
12757 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
12759 * varray.c (varray_init): Initialize elements_used.
12760 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
12761 (INTEGRATE_H): New variable.
12762 (integrate.o): Depend on INTEGRATE_H.
12763 (unroll.o): Likewise.
12765 * function.h (insert_block_after_note): Declare.
12766 * function.c (insert_block_after_note): Split out from ...
12767 (retrofit_block): ... here.
12769 * stmt.c (expand_fixup): Fix typo in comment.
12771 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12773 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
12774 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
12775 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
12776 (regmove_optimize, fixup_match_1): Likewise.
12778 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12780 * flow.c (flow_loops_dump): Add missing argument when calling
12781 flow_loop_nested_p.
12783 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
12784 Greg McGary <gkm@gnu.org>
12786 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
12787 (init_attributes): Add A_NO_LIMIT_STACK.
12788 (decl_attributes): Handle A_NO_LIMIT_STACK.
12789 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
12790 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
12791 Handle stack bounds checking.
12792 * flags.h (flag_stack_check): Use the word 'probe' rather than
12793 'check', because the flag doesn't actually cause any checking to
12795 * function.c (expand_function_start): Set
12796 current_function_limit_stack.
12797 * function.h (struct function): Add limit_stack.
12798 (current_function_limit_stack): Define.
12799 * invoke.texi (Code Gen Options): Document new options.
12800 * rtl.h: Declare stack_limit_rtx.
12801 * toplev.c (stack_limit_rtx): New variable.
12802 (decode_f_option): Handle new options -fstack-limit-register=REG,
12803 -fstack-limit-symbol=IDENT, -fno-stack-limit.
12804 (main): Add stack_limit_rtx as GC root.
12805 * tree.h (DECL_NO_LIMIT_STACK): New macro.
12806 (struct tree_decl): New member no_limit_stack.
12808 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
12810 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
12811 (conditional_trap+1): Get new mnemonic correct.
12812 (conditional_trap+2): New pattern for DImode traps.
12814 * config/m68k/m68k.c (output_function_prologue): Handle
12816 * config/m68k/m68k.md (trap): New insn.
12817 (conditional_trap): New insn.
12818 * md.texi (Standard Names): Document `trap' and
12819 `conditional_trap'.
12820 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
12821 so a cc0 setter doesn't get emitted at some random place in the
12824 * config/i960/i960.md (trap): New insn.
12825 (conditional_trap): New expander.
12826 (conditional_trap+1, conditional_trap+2): New insns for signed
12827 and unsigned cases.
12828 * config/i960/i960.c (i960_function_prologue): Use
12829 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
12831 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
12832 Geoffrey Keating <geoffk@cygnus.com>
12834 * flags.h (warn_padded, warn_packed): Add global var decls.
12835 * toplev.c (warn_padded, warn_packed): Add global var defns.
12836 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
12837 * stor-layout.c (layout_record): Add local variable `type'
12838 to hold often-used TREE_TYPE (field). Add local variable
12839 `unpacked_align' to hold alignment that would be in force
12840 if no `packed' attribute were present. Warn if `packed' attribute
12841 is unnecessary, or even harmful. Warn when gcc inserts padding
12842 to satisfy alignment requirements of members. Use NULL_TREE
12843 when checking whether var_size is set.
12844 * invoke.texi: Document new flags.
12846 1999-12-03 Nathan Sidwell <nathan@acm.org>
12848 * frame.c (fde_split): Reimplement to avoid variable sized array.
12850 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12852 * combine.c (try_combine): Before fixing up LOG_LINKS for the
12853 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
12855 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
12857 * invoke.texi: Document the mips option -mno-crt0
12859 1999-12-02 Mike Karr <mkarr@mathworks.com>
12861 * cccp.c (argdata): Added free_ptr member.
12862 (macroexpand): Initialize free_ptr of each argument. When an
12863 argument's buffers are freed, if the argument's free_ptr corresponds
12864 to a buffer on the input stack, then return the free_ptr to that stack
12865 frame, otherwise, free it.
12866 (macarg): If an argument begins and ends on the same input stack level,
12867 then transfer the free_ptr of that buffer to the argument in case
12868 the stack is popped during the processing of a subsequent argument.
12870 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
12872 * loop.c (note_reg_stored): New function.
12873 (struct note_reg_stored_arg): New structure.
12874 (try_copy_prop): Change to be more conservative; only replace within
12875 one extended basic block and stop replacing if a store to the
12876 replacement reg is seen.
12878 1999-12-02 Nick Clifton <nickc@cygnus.com>
12880 * config/fp-bit.c: Initialise all fields of the NAN
12883 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
12886 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
12888 * i386.md (extend?f?f2): Force the input into a register, not
12891 1999-12-01 Jakub Jelinek <jakub@redhat.com>
12893 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
12895 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
12896 alternative because setting up 64bit constant is usually costly,
12897 especially when reload is in progress or completed.
12898 (movdf_const_intreg_sp64): Likewise.
12899 (movdf_const_intreg split): Fix building up constants when
12900 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
12902 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
12904 * combine.c (if_then_else_cond): Use const_true_rtx instead of
12905 const1_rtx for return values in EQ/NE comparison against (const_int 0)
12908 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
12909 (asm_file_start): Emit .am33 into assembly file when compiling for
12911 (print_operand_address): Handle POST_INC addresses.
12912 (can_use_return_insn, initial_offset): Check AM33 registers too.
12913 (expand_prologue): Check & save AM33 registers too.
12914 (expand_epilogue): Similarly.
12915 (secondary_reload_class): Handle AM33 specific secondary reloads.
12916 (output_tst): Emit efficient code for the AM33 too.
12917 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
12918 (TARGET_SWITCHES): Add -mam33 switch.
12919 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
12920 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
12921 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
12922 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
12923 (enum reg_class, REG_CLASS_NAMES): Likewise.
12924 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
12925 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
12926 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
12927 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
12928 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
12929 (HAVE_POST_INCREMENT): Define.
12930 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
12931 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
12932 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
12933 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
12934 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
12935 (zero_extend to SI from QI/HI): Likewise.
12936 (sign_extend to SI from QI/HI): Likewise.
12937 (mulsidi3, umulsidi3): New patterns for the AM33.
12938 (tstsi with zero extension from QI/HI): Add AM33 variants.
12939 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
12940 (return_internal_regs, store_movm): Handle new AM33 registers.
12941 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
12942 (LIBGCC, INSTALL_LIBGCC): Likewise.
12943 * invoke.texi: Document new flags.
12945 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
12947 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
12948 (addsi3_carry): Likewise.
12949 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
12950 (sbbsi3_carry): Likewise.
12951 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
12952 (mulhi3): Likewise.
12953 (test?i_1): Ensure that only one operand is memory.
12954 (conditional move patterns): likewise.
12955 (shift and rotate patterns): Rewrite to expander, add
12956 "binary_operator_ok" to the condition.
12958 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
12959 * i386.h (procesor_costs): Add movzbl_load field.
12960 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
12961 non-Q registers, accept DImode registers anywhere.
12963 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
12964 * i386.c (*_cost): Set value for movxbl_load field.
12966 * (addsi): New add to lea splitter.
12967 (ashlsi): Likewise.
12968 (lea to add/shift peep2): New.
12970 1999-12-01 Mark Salter <msalter@cygnus.com>
12972 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
12973 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
12974 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
12976 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12978 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
12979 * i386.md (movsi_xor): New.
12981 (movsi_1, movhi_1, movqi_1): Remove.
12982 (movsi_2): Rename to movsi_1.
12983 (movhi_2): Rename to movhi_1.
12984 (movqi_2): Rename to movqi_1.
12985 (movdi_1): Remove; remove splitter.
12986 (movdi_2): Rename to movdi_1.
12987 (divmodsi4 splitter): Do not emit clobbers for move patterns.
12988 (long move peep2): Do not create QI or HI mode mov0s
12989 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
12991 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
12994 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
12995 (abs?f2_if): Likewise.
12997 1999-11-30 Alex Samuel <samuel@codesourcery.com>
12999 * ggc.h (ggc_test_and_set_mark): New macro.
13000 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13001 (ggc_mark_tree): Likewise.
13002 (ggc_mark_rtvec): Likewise.
13003 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13005 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13007 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13009 (decl_scope_table): Just an array of trees now.
13010 (push_decl_scope): Simplify.
13011 (dwarf2out_init): Adjust.
13012 (local_scope_p): New fn.
13013 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13014 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13015 (gen_typedef_die): Likewise.
13016 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13017 (gen_inlined_subroutine_die): Likewise.
13018 (gen_abstract_function): Set current_function_decl temporarily.
13019 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13020 Handle block extern declarations. Don't call push/pop_decl_scope.
13021 (gen_decl_die): Fix logic for block externs.
13023 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13025 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13026 to the list of functions which have attribute malloc by default.
13028 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13030 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13031 integer constant does not match the traditional type, limit the
13032 warnings to cases where the base of the type is ten.
13034 * invoke.texi (-Wtraditional): Document it.
13036 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13038 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13039 * rs6000.md: Only access a CONST_INT with INTVAL
13041 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13043 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13044 (compute_nearerout): Likewise.
13045 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13046 size_t to unsigned long for formatting.
13048 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13050 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13051 Allow the user to override call-used/fixed state of %g2-5
13052 registers from the command line (with the exception of %g4 for
13054 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13055 there is a higher chance of having a leaf function.
13056 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13057 for ARCH64 which has %ccr register.
13058 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13060 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13061 insn accept into delay slot any insn which does not use %[ol]
13062 registers. Accept some LO_SUM and shift left by 1 for the normal
13064 (output_function_epilogue): Likewise.
13065 (epilogue_renumber): Added argument which inhibits any renumbering
13066 and just tests if the rtx does not use any %[ol] registers.
13067 (output_return): Reflect above change.
13069 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13071 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13072 aggregate passing for sizes <= 16 bytes.
13074 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13076 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13077 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13078 * reload.c (find_dummy_reload): Likewise.
13079 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13080 * reload1.c (reload_as_needed): Likewise.
13081 * stupid.c (stupid_find_reg): Likewise.
13082 * tm.texi (Obsolete Register Macros): Delete section.
13083 * gmicro.h: Remove all traces of the two macros.
13084 * i386.h: Likewise.
13085 * m88k.h: Likewise.
13086 * mips.h: Likewise.
13088 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13090 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13091 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13092 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13093 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13094 units for the sparclite86x chip.
13095 (flush): Revert October 14th change; add SImode specifically.
13096 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13097 * invoke.texi: Document it.
13099 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13101 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13102 psimode_truncation_operand.
13104 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13105 function. Return true if the operand is either a MEM valid
13106 for a PSImode address or not a MEM at all.
13108 * config/mn10200/mn10200.md (truncsipsi2): Use
13109 psimode_truncation_operand.
13111 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13113 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13114 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13115 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13116 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13117 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13118 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13119 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13120 * basic-block.h: Protect from multiple inclusion.
13121 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13122 (struct loops, struct loop): Define structures.
13123 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13124 * sbitmap.h: Protect from multiple inclusion.
13125 (sbitmap_a_subset_b_p): Add prototype.
13126 * Makefile.in (LOOP_H): New macro.
13127 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13129 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13131 * cppinit.c (CAT): The argument list of this macro may not contain
13134 1999-11-29 David S. Miller <davem@redhat.com>
13136 Move quantity tables and register equivalence chains into
13137 per-qty and per-register structure arrays respectively.
13138 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13139 qty_const_insn, qty_comparison_code, qty_comparison_const,
13140 qty_comparison_qty): Delete, replace with...
13141 (qty_table): this structure table.
13142 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13143 (reg_eqv_table): this structure table.
13144 (make_new_qty): Add argument MODE. Caller updated.
13145 Update to use qty_table and reg_eqv_table.
13146 (make_regs_eqv, delete_reg_equiv, insert_regs,
13147 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13148 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13149 cse_process_notes, cse_main, cse_basic_block): Likewise.
13151 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13153 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13154 operation if C is negative.
13155 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13156 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13157 law for some divisions if constant is negative and change other
13158 divisions to the opposite rounding.
13160 * expr.c (store_constructor_field): If bit position is not multiple
13161 of alignment of TARGET's mode, use BLKmode.
13163 * expr.c (expand_expr_unaligned): Add more code from full case
13164 that is needed when OP0 is in a register.
13166 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13168 * dwarfout.c (field_byte_offset): Size can be zero if there was
13171 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13173 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13174 (associate_trees): Delete unused var TEM.
13175 (extract_muldiv): Delete unused var CANCEL_P.
13177 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13178 (target_isinf, target_isnan, target_negative): Add return types to
13179 function definitions.
13181 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13183 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13184 * fixinc/hackshell.tpl: ditto
13185 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13186 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13188 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13190 * reload.c (push_reload): When looking for a register to put into
13191 reg_rtx, make sure all hard regs in a multi-reg register are in the
13192 right class and nonfixed.
13194 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13195 pending_read_insns, pending_write_insns, pending_read_mems,
13196 pending_write_mems, pending_list_length, last_pending_memory_flush,
13197 last_function_call, sched_before_next_call): Move static variables
13199 (bb_ prefixed versions): Replace with single array bb_deps.
13200 (struct deps): New structure.
13201 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13202 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13203 argument of type "struct deps *"; use that instead of global
13204 variables. All callers changed.
13205 (init_rgn_data_dependencies): Delete function.
13206 (init_rtx_vector): Delete function.
13207 (init_deps): New function.
13209 (free_pending_lists): Simplify, we always use the bb_deps array even
13210 if only one basic block.
13211 (compute_block_backward_dependences): Likewise.
13212 (schedule_region): Likewise.
13214 (propagate_deps): New function, broken out of
13215 compute_block_backward_dependences.
13216 (compute_block_backward_dependences): Use it.
13218 * alpha.md: Delete useless patterns that tried to work around
13219 register elimination problems.
13221 * unroll.c (loop_iterations): Don't abort if iteration variable
13224 From Joern Rennecke:
13225 * reload1.c (reloads_conflict): Reverse test comparing operand
13226 numbers when testing for conflict between output/outaddr reloads.
13228 1999-11-29 David S. Miller <davem@redhat.com>
13230 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13232 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13234 1999-11-28 Robert Lipe <robertl@cygnus.com>
13236 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13237 table from .fini into .dtor.
13239 1999-11-28 Anthony Green <green@cygnus.com>
13241 * tree.h (struct tree_decl): Add malloc_flag.
13242 (DECL_IS_MALLOC): Define.
13243 * c-common.c (attrs): Add A_MALLOC attribute.
13244 (init_attributes): Add this attribute to the table.
13245 (decl_attributes): Handle malloc attribute.
13246 * calls.c (special_function_p): Check for the malloc attribute.
13247 * extend.texi (Function Attributes): Document malloc attribute.
13249 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13251 * pa.md (reload shift-add patterns): Remove.
13253 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13255 * reorg.c (dbr_schedule) Print more statistics. Corrected
13256 problem when printing info when 3 delay slots are filled.
13258 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13260 * combine.c (setup_incoming_promotions): Pass an outgoing
13261 regno to FUNCTION_ARG_REGNO_P which it expects.
13263 1999-11-28 Andreas Jaeger <aj@suse.de>
13265 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13267 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13269 * cccp.c (do_include): Avoid initialization of automatic variable.
13271 * integrate.c (mark_stores): Function definition made void, to match
13272 previous declaration.
13273 * regclass.c (dump_regclass): Ditto.
13274 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13276 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13278 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13279 known to be multiple of divisor.
13281 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13283 * combine.c (try_combine): Add code to try to merge a set of a
13284 two-word pseudo to a constant with a setting of one of those words
13287 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13288 (split_tree): Completely rework to make more general.
13289 (make_range, fold): Call negate_expr.
13290 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13291 (fold, associate): Call new split_tree and associate_trees.
13292 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13294 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13296 * loop.c (try_copy_prop): Avoid GNU C extension.
13298 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13300 * except.c (init_eh_for_function): Still zero eh_return_context,
13301 eh_return_stack_adjust, and eh_return_handler.
13303 * except.h (eh_status): Adjust documentation for x_protect_list.
13304 (begin_protect_partials): New function.
13305 * except.c (enqueue_eh_entry): Fix formatting.
13306 (get_first_handler): Add consistency check.
13307 (add_partial_entry): Adjust usage of protect_list.
13308 (emit_cleanup_handler): Save and restore ehqueue.
13309 (expand_start_all_catch): Add comment.
13310 (begin_protect_partials): New function.
13311 (end_protect_partials): Adjust usage of protect_list.
13312 (init_eh_for_function): Use xcalloc.
13314 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13316 * c-common.c (check_format_info): Don't call a variadic function
13317 with a non-literal format string.
13319 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13321 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13322 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13325 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13328 * collect2.c (collect_wait): Likewise.
13330 * dbxout.c (dbxout_type): Likewise.
13332 * gcc.c (do_spec_1): Likewise.
13334 * genemit.c (gen_insn, gen_expand): Likewise.
13336 * genrecog.c (write_switch, write_subroutine): Likewise.
13338 * mips-tfile.c (catch_signal, botch): Likewise.
13340 * print-rtl.c (print_rtx): Likewise.
13342 * toplev.c (default_print_error_function, report_error_function,
13343 _fatal_insn): Likewise.
13345 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13347 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13349 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13351 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13352 operations when needed.
13353 * i386.md (fop_?f_comm): New.
13354 (fop_?f_1): Do not accept commutative operands.
13356 1999-11-25 Andreas Jaeger <aj@suse.de>
13358 * config/mips/mips.md (casesi_internal): Add missing brace.
13360 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13362 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13363 (splice_child_die): Handle moving a child DIE from the declaration
13364 DIE of a class to its specification.
13365 (gen_struct_or_union_type_die): Use 'complete' consistently.
13366 (gen_decl_die): Generate the virtual context DIE first.
13367 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13369 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13371 * config/mips/mips.md (call_value_multiple_interanal1): New.
13373 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13375 * dwarf2out.c (free_AT, free_die): New fns.
13376 (remove_children): Call them.
13377 (output_line_info): Disable removal of duplicate notes.
13379 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13380 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13381 means pretend the type isn't defined.
13382 Don't defer emitting types.
13383 (gen_type_die_for_member): New fn.
13384 (gen_decl_die): Call it.
13385 (splice_child_die): New fn.
13386 (gen_member_die): Call it rather than generate duplicate dies.
13388 Defer emitting information for the abstract instance of an inline
13389 until we either inline it or emit an out-of-line copy.
13390 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13391 from output_inline_function if DECL_ABSTRACT is also set.
13392 (block_ultimate_origin): Likewise.
13393 (gen_abstract_function): New fn.
13394 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13395 (gen_subprogram_die): An abstract instance is not a declaration
13396 just because it doesn't match current_function_decl. Don't abort
13397 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13398 has an abstract origin.
13399 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13400 abstract instance here.
13402 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13404 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13405 where we need to reload fpul from a system register.
13407 1999-11-24 Andreas Jaeger <aj@suse.de>
13409 * config/mips/linux.h (CPP_PREDEFINES): Added.
13410 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13412 1999-11-24 Andreas Jaeger <aj@suse.de>
13414 * config/mips/linux.h (TARGET_VERSION): Added.
13415 (HANDLE_SYSV_PRAGMA): Added.
13416 (DEFAULT_VTABLE_THUNKS): Added.
13418 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13420 * local-alloc.c (qty): New structure and static variable.
13421 (qty_phys_reg): Remove, all references changed to qty.
13422 (qty_n_refs): Likewise.
13423 (qty_min_class): Likewise.
13424 (qty_birth): Likewise.
13425 (qty_death): Likewise.
13426 (qty_size): Likewise.
13427 (qty_mode): Likewise.
13428 (qty_n_calls_crossed): Likewise.
13429 (qty_alternate_class): Likewise.
13430 (qty_changes_size): Likewise.
13431 (qty_first_reg): Likewise.
13432 (alloc_qty): Rename variable QTY to QTYNO.
13433 (finf_free_reg): Likewise.
13434 (local_alloc): Allocate qty, do not allocate the removed variables.
13436 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13438 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13439 when -membedded-pic is passed.
13441 * config/mips/mips.md (casesi): Handle 64-bit case too.
13442 (casesi_internal_di): New insn.
13444 * config/mips/mips.c (embedded_pic_offset): Always make the
13445 embedded-pic subtractions relative to the name of the current
13446 function by use of the magic string "..CURRENT_FUNCTION".
13447 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13449 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13451 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13452 of (const_int 0), when what we really care about is
13453 whether it's a zero constant anyway.
13454 (div_trap_mips16): Likewise.
13456 1999-11-23 Mark Mitchell <mark@codesourcery.com>
13458 * loop.c (loop_optimize): Always find_loop_tree_blocks and
13459 unroll_block_trees when generating debuggable code.
13461 * tree.h (unsave_expr_1): New function.
13462 (lang_unsave): New variable.
13463 (get_callee_fndecl): New function.
13464 * tree.c (unsave_expr_now_r): New function.
13465 (lang_unsave): Define.
13466 (unsave_expr_1): Likewise.
13467 (unsave_expr_now_r): Split out from unsave_expr_now.
13468 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
13469 call unsave_expr_now_r.
13470 (get_callee_fndecl): Define.
13472 * Makefile.in (gencheck): Don't depend on lang_tree_files.
13473 (gencheck.o): Do depend on lang_tree_files.
13475 * integrate.h (copy_decl_for_inlining): New declaration.
13476 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
13477 (copy_decl_for_inlining): New function.
13478 (integrate_parm_decls): Use it.
13479 (integrate_decl_tree): Likewise.
13481 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
13483 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
13484 the second two from the first.
13485 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
13486 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
13487 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13489 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
13490 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13493 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
13495 * pa.md (call_internal_symref, call_value_internal_symref): No mode
13496 needed on the address operand.
13497 * pa.c (call_operand_address): Check for the correct mode.
13499 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
13501 * loop.c: Include "basic-block.h".
13502 (try_copy_prop, replace_loop_reg): New functions.
13503 (load_mems): Detect registers that just hold copies of the hoisted
13504 mem, and call try_copy_prop to eliminate them.
13505 * Makefile.in (loop.o): Update dependencies.
13507 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
13509 * Makefile.in (gencheck.o): Depend on gencheck.h.
13510 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
13511 (insn-peep.o): Depend on except.h and function.h.
13512 (insn-attrtab.o): Depend on RECOG_H.
13513 (insn-output.o): Depend on toplev.h and flags.h.
13514 (gengenrtl.o): Depend on real.h.
13515 (gen-protos.o): Depend on cpplib.h and cpphash.h.
13516 Unify all dependencies to be on RECOG_H rather than recog.h.
13518 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13520 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
13521 * configure.in: Try building a bi-arch 32/64-bit compiler on
13522 sparc-*-solaris2.7 and higher.
13523 * configure: Rebuild.
13525 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
13527 * config/freebsd.h: New, FreeBSD architecture independent file.
13528 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
13529 independent pieces.
13530 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
13531 directly by i386/freebsd.h.
13532 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
13533 independent configuration file.
13534 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
13535 directly by i386/freebsd.h.
13536 * configure: Rebuilt.
13538 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
13539 which is in the user's namespace.
13540 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
13541 `i386' which is not in our namespace.
13543 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
13545 * invoke.texi (ARM Options): Add in -mno-alignment-traps
13547 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13549 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
13550 (add_dwarf_attr, add_child_die): Just push onto the front.
13551 (reverse_die_lists): New fn.
13552 (add_sibling_attributes): Use it.
13553 (push_decl_scope): Reorganize.
13554 (add_name_and_src_coords_attributes): Don't set file and line for
13555 an artificial decl.
13556 (gen_subprogram_die): An artificial function doesn't need to match
13558 (gen_compile_unit_die): Return the generated die. Only add
13559 AT_comp_dir if the filename is relative.
13560 (remove_AT): Simplify loop. Also free string values.
13561 (output_die): A DIE ref can't be null.
13562 (output_value_format, value_format): Take a dw_attr_ref.
13563 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
13564 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
13565 AT_addr, AT_lbl): New fns.
13566 (various): Use them.
13567 (various): Constify.
13569 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13571 * combine.c (combine_simplify_rtx): When handling a SUBREG,
13572 take SUBREG_WORD into account.
13573 (if_then_else_cond): Likewise.
13575 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13577 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
13578 clause from BSD license, pursuant with
13580 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
13582 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
13584 * loop.c (load_mems): Reformat slightly.
13585 * basic-block.h (regset_head): New typedef.
13586 (INIT_REG_SET): New macro.
13588 1999-11-22 Bruce Korb <autogen@linuxbox.com
13590 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
13591 (mips-dec-bsd*): non-functional code
13592 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
13594 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
13595 added three replacement fixes
13596 (no_double_slash): removed comments that are not (any longer) pertinent
13597 (bad_lval): this fix currently runs against many files.
13598 The comment seems to indicate that we should select for files
13599 containing 'pragma extern_prefix'.
13601 * fixinc/fixinc.x86-linux-gnu: deleted
13602 * fixinc/inclhack.sh: regen
13603 * fixinc/fixincl.x: regen
13604 * fixinc/fixincl.sh: regen
13606 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
13608 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
13609 its code is INSN and it has no notes.
13611 1999-11-22 Andrew Haley <aph@cygnus.com>
13613 * varasm.c (function_defined): Remove.
13614 (make_function_rtl): Don't set function_defined.
13615 (make_decl_rtl): Remove global register warning.
13616 * regclass.c (no_global_reg_vars): New variable.
13617 (globalize_reg): Warn if function has already been defined.
13618 (regclass_init): Set no_global_reg_vars.
13620 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13622 * regclass.c (reg_pref): New structure and static variable
13623 (prefclass): Delete.
13624 (altclass): Delete.
13625 (all uses of prefclass and altclass): Use reg_pref instead.
13627 1999-11-21 Nick Clifton <nickc@cygnus.com>
13629 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
13631 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
13632 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13633 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13635 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
13637 * varasm.c (output_constructor): Solve problem with long long
13638 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
13640 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13642 * global.c (allocno): New structure and static variable.
13643 (allocno_reg): Remove, all references replaced by allocno.
13644 (allocno_size): Likewise.
13645 (hard_reg_conflicts): Likewise.
13646 (hard_reg_preferences): Likewise.
13647 (hard_reg_copy_preferences): Likewise.
13648 (hard_reg_full_preferences): Likewise.
13649 (regs_someone_prefers): Likewise.
13650 (allocno_calls_crossed): Likewise.
13651 (allocno_n_refs): Likewise.
13652 (allocno_live_length): Likewise.
13653 (find_reg): Rename ALLOCNO to NUM.
13655 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
13656 references updated.
13657 (may_move_out_cost): New variable.
13658 (init_reg_sets_1): Initialize may_move_out_cost.
13659 (record_reg_classes): Use may_move_out_cost.
13661 * regclass.c (dump_regclass): New function.
13662 (regclass): New parameter DUMP, call DUMP_REGCLASS.
13663 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
13664 pass rtl_dump_file to regclass.
13665 * rtl.h (regclass): Update prototype.
13667 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13669 * i386.md (neg, not and abs patterns): Revmap to use
13670 ix86_expand_unary_operator and ix86_unary_operator_ok.
13671 (add?f and sub?f expanders): Force operand 1 to register.
13672 * i386.c (ix86_expand_unary_operator): Rewrite.
13673 (ix86_unary_operator_ok): Ensure that memory operands
13675 (ix86_binary_operator_ok): Do not allow operand 1 to
13676 come into memory and operand 0 not.
13677 (ix86_expand_binary_operator): Ensure that
13678 src1 is not non-matching memory.
13680 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
13681 to support integer registers and memory.
13682 (abss?2_integer): Likewise.
13684 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
13685 (REG_CLASS_NAMES): Likewise.
13686 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
13688 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
13689 (movsf): Likewise; unify 4th and 5th alternative.
13690 (pushdf): Likewise.
13691 (movdf_1): Likewise; rename to movdf_integer.
13692 (pushxf): Likewise; rename to pushxf_integer; fix output template;
13693 remove redundant splitter.
13694 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
13695 (movdf_nointeger): New.
13696 (movxf_nointeger): New.
13697 (pushxf_nointeger): New.
13699 * i386.md (extend?f?f): Split to expander and pattern, refuse two
13700 memory operands in patterns.
13701 (fop*): Refuse two memory operands.
13703 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
13704 on !TARGET_USE_CLTD CPUs.
13706 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
13708 * extend.texi: Document C++ restricted pointers and references.
13710 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
13712 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
13713 (invalidate_skipped_set): Call it unconditionally.
13714 (cse_set_around_loop): Likewise.
13716 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13718 * rtl.texi (mem): Add documentation for alias-set argument
13721 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13723 * i386.h (struct_processor_costs): New fields int_load, int_store,
13724 fp_move, fp_load and fp_store
13725 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
13727 (MEMORY_MOVE_COST): New macro.
13728 * i386.c (386_cost): Define new fields.
13729 (i486_cost): Likewise.
13730 (pentium_cost): Likewise.
13731 (pentiumpro_cost): Likewise.
13732 (k6_cost): Likewise.
13734 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
13735 Geoffrey Keating <geoffk@cygnus.com>
13737 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
13739 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
13742 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
13743 (TARGET_STRICT_ALIGNMENT): New macro.
13744 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
13745 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
13746 * invoke.texi (M680x0 Options): Document -mstrict-align.
13748 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
13749 Richard Henderson <rth@cygnus.com>
13751 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
13752 (ix86_split_long_move): Declare.
13753 * i386.c (split_xf, ix86_split_movdi): Remove.
13754 (ix86_split_to_parts, ix86_split_long_move): New.
13755 * i386.md (dimode move splitters): Use ix86_split_long_move.
13756 (dfmode move splitters): Likewise.
13757 (xfmode move splitters): Likewise.
13758 (movsf_1): Allow F->r.
13759 (movdf_1, movxf_1): Allow F->ro.
13761 1999-11-17 Mark Mitchell <mark@codesourcery.com>
13763 * except.h (struct eh_entry): Add goto_entry_p.
13764 (eh_region_from_symbol): Remove prototype.
13765 * except.c (find_func_region_from_symbol): New function.
13766 (emit_cleanup_handler): Likewise.
13767 (eh_region_from_symbol): Make it static.
13768 (add_new_handler): Verify the argument.
13769 (find_func_region): Update comment.
13770 (expand_eh_region_end): Expand handlers here, rater than waiting
13771 until expand_leftover_cleanups or start_all_catch.
13772 (expand_leftover_cleanups): Don't expand here.
13773 (expand_start_all_catch): Or here.
13774 (expand_rethrow): Check the return value from find_func_region.
13775 * function.c (expand_function_end): Emit the catch_clauses.
13777 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
13779 * integrate.c (expand_inline_function): Add necessary check for NULL.
13781 1999-11-18 Nick Clifton <nickc@cygnus.com>
13783 * toplev.c (main): Correctly detect an unrecognised option.
13785 * cppinit.c (cpp_handle_option): Do not claim to have consumed
13786 a -f option if it has not been recognised.
13788 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
13790 * basic-block.h (update_life_extent): Remove trailing comma on
13791 enumeration type list.
13793 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13795 * varasm.c (output_constructor) Solved problem with long long
13796 bitfields. Corrected calculating this_time and shift. Also
13797 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
13799 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
13801 * flow.c (split_edge): Take looping structure into account when
13802 determining where to put the new block note.
13804 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
13806 * Makefile.in (ggc-none.o): Provide host specific version if
13809 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
13811 * cse.c (delete_trivially_dead_insns): Identify no-op insns
13812 containing subregs too.
13814 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13816 * invoke.texi: Add documentation for -muninit-const-in-rodata.
13817 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
13818 (TARGET_UNINIT_CONST_IN_RODATA): Define.
13819 (text_section): Add switches -munint-const-in-rodata and
13820 -mno-uninit-const-in-rodata.
13821 (ASM_OUTPUT_COMMON): Remove.
13822 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
13823 const objects should be placed in read-only data. Otherwise declare
13826 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
13828 * jump.c (jump_optimize_1): Revert last change.
13830 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
13832 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
13833 test if optimizing for size.
13835 1999-11-17 Mark Mitchell <mark@codesourcery.com>
13837 * Makefile.in (toplev.o): Depend on except.h.
13838 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
13840 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13842 * i386.md (divmodsi4): Rewrite to expander.
13843 (*divmodsi4_nocltd): New.
13844 (*divmodsi4_cltd): New.
13845 (divmodsi4 splitter): Handle the case when input comes in edx.
13846 (udivmodhi4): Do not use constraints in exander.
13847 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
13849 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
13851 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
13852 for the common case.
13854 1999-11-16 Jakub Jelinek <jakub@redhat.com>
13856 * explow.c (hard_function_value): Add outgoing argument.
13857 * expr.h (hard_function_value): Declare it.
13858 * calls.c (expand_call, emit_library_call_value): Update callers.
13859 * function.c (aggregate_value_p): Ditto.
13860 (diddle_return_value): Must look at the outgoing registers
13861 on archs with register windows.
13863 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
13865 * alpha.c (alpha_build_va_list): Use make_lang_type and
13866 initialize TYPE_NAME for the va_list record.
13868 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
13870 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
13872 * ggc.h (struct ggc_statistics): Rearrange elements for better
13873 packing on 64-bit hosts.
13874 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
13875 (compute_nearerout): Likewise.
13877 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
13879 * config/rs6000/rs6000.c (first_reg_to_save): Save
13880 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
13882 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
13884 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
13885 notion of nesting to find the DIE for a type or function.
13886 DIEs can go in limbo even if we got a context_die.
13887 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
13888 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
13890 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
13891 (gen_type_die): Writing out the context doesn't cause member class
13892 template instantiations to be written out as well.
13894 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
13896 * rs6000.h (ASM_OUTPUT_DEF): New.
13897 Based on proposed addition from David Edelsohn.
13899 1999-11-15 Robert Lipe <RobertLipe@usa.net>
13900 Bruce Korb <autogen@linuxbox.com>
13902 * fixinc/inclhack.def
13903 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
13904 (unixware7_byteorder_fix): added. Removes conflicts for new defs
13906 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
13907 (svr4_endian): enabled with SVR5
13908 (svr4_mkdev): simplified syntax and enabled with SVR5
13910 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
13912 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
13913 * configure: Rebuilt.
13914 * config/t-freebsd-thread: New file.
13916 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
13918 * i386.c (ix86_decompose_address): Verify the base is a REG
13919 before trying to examine its register number.
13921 * basic-block.h: Remove all #defines and prototypes related to
13923 (free_bb_mem, compute_preds_succs): Remove prototype.
13924 * rtl.h (free_bb_mem): Remove prototype.
13925 * flow.c (alloc_int_list_node); Remove function.
13926 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
13927 (compute_preds_succs, free_bb_mem): Likewise.
13928 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
13929 * toplev.c (rest_of_compilation): Likewise.
13930 * haifa-sched.c (build_control_flow): Use flow generated edge
13931 list to build the haifa specific edge list.
13932 (find_rgns): Use new CFG data structures instead of pred/succ lists.
13933 (schedule_insns): Do not build pred/succ lists anymore. Instead
13934 build the edge table.
13936 * basic-block.h (dump_bb_data): Remove declaration.
13937 * flow.c (dump_bb_data): Remove function.
13938 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
13939 (sbitmap_union_of_predsucc): Likewise.
13941 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
13942 argument. All callers changed.
13943 (delete_null_pointer_checks_1): No longer need to compute the
13946 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
13947 All callers changed.
13948 (pre_expr_reaches_here_p_work): Likewise.
13949 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
13950 * lcm.c (compute_laterin): Fix initialization of LATER.
13951 (compute_nearerout): Similarly for NEARER.
13953 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13955 * cse.c (set_nonvarying_address_components): Delete unused function.
13956 (refers_to_p): Likewise.
13958 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
13960 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
13963 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13965 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
13966 definition in do while (0).
13968 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
13970 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
13972 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
13974 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
13976 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
13978 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
13979 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
13980 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
13981 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
13983 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
13984 saved on the stack. Output more accurate stack frame statistics
13985 into assembler file.
13987 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
13989 * genextract.c (record_insn_name): New function.
13990 (get_insn_name): No longer a stub.
13991 (main): Call record_insn_name for each insn. After each label
13992 written, print the insn name in a comment.
13994 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13996 * output.h (const_section, init_section, fini_section): Add
13999 * alpha/elf.h (const_section): Delete declaration.
14001 * svr4.h (const_section): Likewise.
14003 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14005 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14006 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14007 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14009 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14010 variable-sized array bounds.
14012 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14014 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14017 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14019 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14020 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14022 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14024 * cse.c (hash_arg_in_struct): Delete.
14025 (struct table_elt): Delete elt in_struct.
14026 (struct set): Delete elt src_in_struct.
14027 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14028 the corresponding in_struct elts.
14029 (canon_hash): Likewise.
14030 (safe_hash): Likewise.
14031 (find_best_addr): Likewise.
14032 (record_jump_cond): Likewise.
14033 (cse_insn): Likewise.
14035 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14037 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14039 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14042 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14044 * function.c (diddle_return_value): Put back check that the DECL_RTL
14045 for the function is a register.
14047 * function.c (diddle_return_value): Use hard_function_value to
14048 get an rtx suitable for use in the USE/CLOBBER insn.
14050 * global.c (global_conflicts): Update comments.
14051 (record_conflicts): No need to record conflicts between pseudos here.
14053 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14055 * fixinc/fixincl.c: Added verbose levels for status messages
14057 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14059 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14060 operand as argument to expand_and or expand_binop.
14062 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14064 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14065 gcc_add_string_root.
14067 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14069 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14071 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14073 * flow.c (compute_flow_dominators): Initially put all blocks on
14075 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14076 * gcse.c (compute_cprop_avinout): Remove.
14077 (compute_cprop_data): Use compute_available.
14078 (delete_null_pointer_checks_1): Use compute_available.
14080 * basic-block.h (compute_available): Returns a void now.
14081 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14082 to return a value anymore.
14083 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14084 worklists. Fix boundary cases. Compute maximal solutions.
14085 (compute_laterin, compute_nearerout): Similarly.
14087 * dwarf2out.c (add_AT_location_description): Allow
14088 (mem (plus (pseudo) (...)) too.
14090 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14092 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14094 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14095 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14097 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14099 * gansidecl.h: Likewise.
14105 * toplev.h: Likewise.
14107 * tree.c: Likewise.
14109 * tree.h: Likewise.
14111 * varray.c: Likewise.
14113 * varray.h: Likewise.
14115 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14117 * gcov.c (struct arcdata): Add hits and total, remove prob.
14118 (output_branch_counts): New.
14119 (process_args): Set output_branch_counts if -c.
14120 (calculate_branch_probs): Store hits and total instead of
14122 (output_data): Emit counts if output_branch_counts is true.
14123 * gcov.texi (Invoking Gcov): Document -c switch..
14125 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14127 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14128 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14130 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14132 * invoke.texi (C Dialect Options): Add missing builtins from
14133 c-common.c to list.
14134 * extend.texi (Other Builtins): Copy to this list.
14136 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14138 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14139 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14140 redundant bitmap.h.
14142 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14144 * flow.c (compute_flow_dominators): No longer treat basic block 0
14145 or (n_basic_blocks - 1) specially. Clear the AUX field before
14146 starting computation of doms/pdoms. Fix initial state for pdoms.
14148 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14150 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14151 match rtl.o's: added ggc.h and toplev.h
14152 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14153 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14154 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14156 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14158 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14159 from HAVE_DOS_BASED_FILESYSTEM.
14160 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14161 HAVE_DOS_BASED_FILESYSTEM.
14163 (split_directories): Only special-case DOS file names if
14164 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14165 instead of explicit tests. Conditionalize on !VMS.
14166 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14167 tests. Conditionalize on !VMS.
14168 (process_command): Only use make_relative_prefix if !VMS.
14169 (free_split_directories): Conditionalize on !VMS.
14170 (DIR_UP): Conditionalize on !VMS.
14172 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14174 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14176 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14178 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14181 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14183 * invoke.texi (Environment Variables): Document relative path
14185 * gcc.c (DIR_UP): If not defined, define as "..".
14186 (standard_bindir_prefix): New static, holds target location to
14188 (split_directories): New function to split a filename into
14189 component directories.
14190 (free_split_directories): New function, release memory allocated
14191 by split_directories.
14192 (make_relative_prefix): New function, make a relative pathname if
14193 the compiler is not in the expected location.
14194 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14195 can figure out an appropriate prefix from argv[0].
14196 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14197 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14198 STANDARD_BINDIR_PREFIX.
14200 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14202 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14204 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14205 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14206 c4x_secondary_memory_needed) Delete.
14207 (fp_zero_operand): Add mode argument.
14209 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14211 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14212 that is in reload_reg_used.
14214 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14216 * config/arm/arm-protos.h: New file: Prototypes for functions
14217 defined in arm.c and pe.c.
14218 * config/arm/arm.h: Fix compile time warnings.
14219 * config/arm/arm.c: Fix compile time warnings.
14220 * config/arm/pe.h: Fix compile time warnings.
14221 * config/arm/aout.h: Fix compile time warnings.
14223 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14225 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14228 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14229 Add support for subtargets.
14230 Add prototypes for new predicates.
14231 Add scheduling macros.
14233 * config/m32r/m32r.c: Fix compile time warnings.
14234 (int8_operand): New predicate function.
14235 (reg_or_cmp_int16_operand): New predicate function.
14236 (extend_operand): New predicate function.
14237 (m32r_adjust_code): New scheduling function.
14238 (m32r_adjust_priorty): New scheduling function.
14239 (m32r_sched_init): New scheduling function.
14240 (m32r_sched_reorder): New scheduling function.
14241 (m32r_sched_variable_issue): New scheduling function.
14242 (direct_return): New codegen function.
14243 (m32r_not_same_reg): New rtl testsing function.
14245 * config/m32r/m32r.md: Fix compile time warnings.
14246 Add support for pre decrement and post increment memory
14248 Add S<cc> patterns.
14251 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14253 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14254 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14255 (find_reg): Likewise.
14257 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14259 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14260 to avoid assembler errors.
14262 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14264 * config/v850/v850-protos.h: New file: Prototypes for functions
14266 * config/v850/v850.h: Move prototypes to v850-protos.h
14267 * config/v850/v850.c: Move prototypes to v850-protos.h
14268 * config/v850/v850.md: Fix compile time warnings.
14270 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14272 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14273 * config/fr30/fr30.c: Fix compile time warnings.
14274 * config/fr30/fr30.md: Fix compile time warnings.
14276 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14278 * tree.h (get_containing_scope): Declare it.
14279 * tree.c (get_containing_scope): New fucntion.
14280 (decl_function_context): Use it.
14281 * toplev.c (rest_of_compilation): Use get_containing_scope.
14283 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14285 * Makefile.in (rtl.o): Depend on toplev.h.
14287 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14289 * cse.c (delete_trivially_dead_insns): Replace alloca with
14291 * except.c (update_rethrow_references): Likewise.
14292 (init_eh_nesting_info): Likewise.
14293 * function.c (identify_blocks): Likewise.
14294 * gcse.c (dump_hash_table): Likewise.
14295 * graph.c (print_rtl_graph_with_bb): Likewise.
14296 * loop.c (combine_movables): Likewise.
14297 (move_movables): Likewise.
14298 (count_loop_regs_set): Likewise.
14299 (strength_reduce): Likewise.
14300 * profile.c (compute_branch_probabilities): New function, split
14302 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14303 * regclass.c (regclass): Likewise.
14304 * regmove.c (regmove_optimize): Likewise.
14305 * toplev.c (compile_file): Likewise.
14306 (main): Don't mess with the stack rlimit.
14308 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14310 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14311 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14313 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14315 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14317 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14319 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14320 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14323 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14325 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14327 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14329 * gcse.c (post_dominators): Kill.
14330 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14331 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14332 pass in a pdom array since we do not need pdoms.
14333 * haifa-sched.c (schedule_insns): Similarly.
14334 * flow.c (compute_dominators): Remove dead function.
14335 (compute_flow_dominators): Do not compute doms or pdoms if the
14336 caller does not request them. Split up loop to build doms and
14337 pdoms. Use a worklist to compute doms and pdoms.
14338 * basic-block.h (compute_dominators): Remove prototype.
14340 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14342 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14343 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14344 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14345 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14346 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14347 (schedule_region): Remove unused variable.
14348 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14350 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14352 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14353 (update_equiv_regs): Likewise.
14354 (block_alloc): Likewise.
14355 * reg-stack.c (reg_to_stack): Likewise.
14356 (convert_regs_2): Likewise.
14357 * reload1.c (reload_as_needed): Likewise.
14359 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14361 * Makefile.in (dbxout.o): Depend on ggc.h.
14362 (dwarf2out.o): Likewise.
14363 (xcoffout.o): Likewise.
14364 * dbxout.c: Include ggc.h.
14365 (dbxout_init): Register lastfile as a root.
14366 * dwarf2out.c: Include ggc.h.
14367 (dwarf2out_line): Register lastfile as a root.
14368 * xcoffout.c: Include ggc.h.
14369 (xcoffout_source_line): Register xcoff_lastfile as a root.
14371 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14373 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14375 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14377 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14379 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14381 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14383 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14384 (EXECUTE_IF_CONFLICT): Likewise.
14385 (ALLOCNO_LIVE_P): Avoid signed division.
14386 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14387 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14388 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14390 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14392 * haifa-sched.c (schedule_block): Don't crash if there's no
14393 next insn for an interblock movement.
14394 (add_branch_dependences): Don't allow clobber insns to move either.
14396 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14398 * i386.c (split_xf): New.
14399 * i386-protos.h: Declare it.
14400 * i386.md (movxf_1): Add general regs alternatives.
14401 (movxf_1+1): New splitter for same.
14403 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14405 * function.c (purge_addressof_1): Add missing return values.
14407 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14409 * function.c (is_addressof): New function. Returns true if
14410 the given piece of RTL is an ADDRESSOF.
14411 (purge_addressof_1): Make boolean. Return false if the
14412 ADDRESSOFs could not be purged.
14413 (purge_addressof): If ADDRESSOFs could not be purged from the
14414 notes attached to an insn, remove the offending note(s),
14415 unless they are attached to a libcall.
14417 1999-11-05 Andreas Jaeger <aj@suse.de>
14419 * genoutput.c (null_operand =): Initialize all fields.
14421 * errors.h: Add extern to prototypes.
14423 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14425 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14426 * configure: Rebuilt.
14428 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14430 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14431 (mirror_conflicts): New function.
14432 (global_alloc): Call it.
14433 (expand_preferences): Remove redundant CONFLICTP test.
14434 (find_reg, dump_conflicts): Likewise.
14435 (prune_preferences): Process conflicts one word at a time.
14437 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14439 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14440 instead of an explicit loop.
14442 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14444 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14445 if REG_RETVAL check succeeds, then put classp in src_elt.
14447 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14449 * function.c (pad_to_arg_alignment): Only update argument_pad
14450 if the argument's alignment is greater than STACK_BOUNDARY.
14452 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14454 * bitmap.h (BITMAP_XFREE): New.
14455 * flow.c (life_analysis): Use it.
14456 (life_analysis_1): Free blocks.
14458 * combine.c (undo_commit): New.
14459 (try_combine): Use it. Don't zap undobuf.undos.
14460 (combine_instructions): Don't zap undobuf.undos; free the
14461 undobuf.frees list.
14463 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
14465 * stmt.c (cost_table_): New.
14466 (estimate_case_costs): Use it instead of xmalloc.
14468 * toplev.c (compile_file): Reuse dumpname memory instead
14471 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
14473 * reg-stack.c (convert_regs_1): Initialize target_stack->top
14474 after verifying an EH edge.
14476 * haifa-sched.c (init_rgn_data_dependences): Correctly
14477 size bb_pending_lists_length when zeroing.
14479 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
14481 * function.c (diddle_return_value): New.
14482 (expand_function_end): Use it.
14483 * stmt.c (expand_null_return): Likewise.
14484 (expand_value_return): Likewise.
14486 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
14488 * reload1.c (reload): Don't remove return value clobbers.
14490 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
14492 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
14494 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
14496 * cse.c (cse_main): Use xmalloc, not alloca.
14497 (cse_basic_block): Likewise.
14498 * local-alloc.c (local_alloc): Likewise.
14500 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
14501 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14503 * rtl.c: Include toplev.h.
14504 (fatal): Remove declaration.
14506 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
14508 * haifa-sched.c (schedule_block): Fix thinko.
14510 1999-11-03 James McKelvey <mckelvey@fafnir.com>
14512 * fixinc/fixincl.c(create_file): Allow for systems that do not have
14513 S_IR* defined values
14515 1999-11-03 Philippe De Muyter <phdm@macqel.be>
14517 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
14518 call `malloc' instead.
14520 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
14522 * flags.h (flag_renumber_insns): Declare.
14523 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
14525 * rtl.h (renumber_insns): Change prototype.
14526 * toplev.c (flag_renumber_insns): Define.
14527 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
14529 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
14531 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
14532 and fpsqrtd. Use them and create fdiv function unit to more
14533 accurately represent fpu sqrt pipeline semantics on UltraSparc.
14534 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
14536 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
14538 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
14540 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
14541 insn into ready list, do not use just a raw swap.
14543 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
14545 * rtl.h (renumber_insns): New function.
14546 (remove_unnecessary_notes): Likewise.
14547 * emit-rtl.c (renumber_insns): Define.
14548 (remove_unncessary_notes): Likewise.
14549 * toplev.c (rest_of_compilation): Remove dead code.
14550 Use renumber_insns and remove_unncessary_notes.
14552 * gcse.c (struct null_pointer_info): New type.
14553 (get_bitmap_width): New function.
14554 (current_block): Remove.
14555 (nonnull_local): Likewise.
14556 (nonnull_killed): Likewise.
14557 (invalidate_nonnull_info): Take a null_pointer_info as input.
14558 (delete_null_pointer_checks_1): New function.
14559 (delete_null_pointer_checks): Use it.
14561 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
14562 (split_edges): Likewise.
14563 (schedule_block): Likewise.
14564 (compute_block_backward_dependencies): Likewise.
14565 (schedule_region): Likewise.
14566 (schedule_insns): Likewise.
14568 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
14570 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
14571 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
14572 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
14573 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
14574 * jump.c (delete_unreferenced_labels): Don't delete if
14575 LABEL_ALTERNATE_NAME is set.
14576 * print-rtl.c (print_rtx): Dump alternate name.
14577 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
14578 * rtl.h (LABEL_ALTERNATE_NAME): Define.
14579 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
14580 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
14582 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14584 * fix-header.c (recognized_extern, recognized_function): Constify
14587 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
14588 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14589 (compute_available): Remove unused variable `last'.
14590 (compute_nearerout): Remove unused variable `temp_bitmap'.
14591 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14592 Remove unused variable `x'.
14594 * scan.h (recognized_function, recognized_extern): Constify a
14597 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
14599 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14601 * varasm.c (decode_rtx_const): Use XSTR to access the string
14604 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
14606 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
14608 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14610 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
14612 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
14614 * pa.c (ireg_operand): New function.
14615 * pa.h (PREDICATE_CODES): Handle ireg_operand.
14616 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
14617 Fix out of date comment.
14619 * pa.md (negdi2): Turn into expander + anonymous pattern.
14621 * reload.c (find_reloads): Fix typos in recent change.
14623 * dwarf2out.c: Do not include ctype.h.
14625 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14627 * regclass.c (record_reg_classes): Always use may_move_cost when
14628 seeing how operand fits with various register classes.
14630 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
14632 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
14633 * toplev.c: Revert Nov 1 13:22 change.
14635 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
14637 * config/pa/pa.md (height reduction patterns): Add checks for
14638 overlapping operands to avoid semantic-destroying splits for
14639 height reduction patterns.
14641 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14643 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
14644 have been an hyphen, fixed.
14645 * configure: Rebuilt.
14647 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
14649 * config/arm/tpe.h: Add prototypes for exported functions.
14650 * config/arm/pe.c: Fix compile time warnings.
14651 * config/arm/semi.h: Fix compile time warnings.
14652 * config/arm/arm.c: Fix compile time warnings.
14653 * config/arm/arm.h: Fix compile time warnings.
14654 * config/arm/arm.md: Fix compile time warnings.
14655 * config/arm/thumb.c: Fix compile time warnings.
14656 * config/arm/thumb.h: Fix compile time warnings.
14657 * config/arm/thumb.md: Fix compile time warnings.
14659 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
14661 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
14664 * unroll.c (unroll_loop): Remove LOOP notes when loop is
14665 completely unrolled.
14667 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14669 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
14671 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
14673 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
14674 * rtl.h (rtx_equal_p): Move prototype.
14675 * rtl.c (rtx_equal_function_value_matters): Move from
14677 (rtx_equal_p): Likewise.
14678 * rtlanal.c (rtx_equal_function_value_matters): Delete.
14679 (rtx_equal_p): Likewise.
14681 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
14683 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
14684 ! HAS_INIT_SECTION.
14686 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
14688 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
14690 * pa.h (ADDR_VEC_ALIGN): Define.
14692 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
14693 notes when presented with "if (foo) break; end_of_loop" and
14694 the break sequence gets moved out of the loop.
14696 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
14697 Remove explicit zero initializations of entries within MAP.
14699 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
14701 * reg-stack.c (convert_regs_1): Handle EH edges specially.
14703 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
14705 * bitmap.h (BITMAP_XMALLOC): New macro.
14706 * flow.c (CLEAN_ALLOCA): Remove.
14707 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
14708 (life_analysis): Likewise.
14709 (update_life_info): Don't use CLEAN_ALLOCA.
14710 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
14711 (calculate_global_regs_live): Likewise.
14712 (print_rtl_with_bb): Likewise.
14713 (verify_flow_info): Likewise.
14714 * global.c (global_alloc): Likewise.
14715 (global_conflicts): Likewise.
14716 * integrate.c (save_for_inline_nocopy): Likewise.
14717 (expand_inline_function): Likewise.
14718 * jump.c (jump_optimize_1): Likewise.
14719 (duplicate_loop_exit_test): Likewise.
14720 (thread_jumps): Likewise.
14721 * loop.c (loop_optimize): Likewise.
14722 (combine_givs): Likewise.
14723 (recombine_givs): Likewise.
14724 * reorg.c (dbr_schedule): Likewise.
14725 * unroll.c (unroll_loop): Likewise.
14727 * combine.c (combine_instructions): Use xmalloc instead of alloca.
14729 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
14731 * toplev.c (rest_of_compilation): Don't optimize the CFG
14732 when rebuilding, just before dbr.
14734 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14736 * output.h (assemble_end_function, assemble_destructor,
14737 assemble_constructor, assemble_gc_entry, assemble_global,
14738 assemble_label, output_constant_pool) Constify a char*.
14740 * varasm.c (assemble_destructor, assemble_constructor,
14741 assemble_gc_entry, assemble_end_function, assemble_global,
14742 assemble_label, output_constant_pool): Likewise.
14744 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
14746 * config/arm/thumb.c (thumb_expand_prologue): Add comments
14747 explaining what is goin on in this function.
14749 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14751 * regclass.c (record_reg_classes): In matching case, recompute
14752 costs since the direction of movement is different.
14754 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14756 * resource.c (mark_target_live_regs): For unconditional branches,
14757 the resources found at the branch target should be added to the
14758 resources found so far, not intersected.
14760 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
14762 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
14764 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
14765 (sys/mman.h): Include this file only if #HAVE_MMAP.
14766 (run_compiles): Initialize `esac_fmt' with one old KR string, not
14767 with automatically concatenated ANSI strings.
14769 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
14771 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
14772 (DIV_ROUND_UP): Robustify.
14773 (ggc_recalculate_in_use_p): New function.
14774 (release_pages): Don't inline it.
14775 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
14777 (ggc_pop_context): Use ggc_recalculate_in_use_p.
14778 (clear_marks): Always save in_use_p.
14779 (sweep_pages): Use ggc_recalculate_in_use_p.
14780 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
14781 Release pages before counting statistics.
14783 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
14785 * toplev.c (rest_of_compilation): Fix thinko in this change:
14787 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
14789 (rest_of_compilation): If inside an inlined external function,
14790 pretend we are just being declared.
14792 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
14794 * flow.c (calculate_global_regs_live): Fix thinko.
14796 * integrate.c (expand_inline_function): Fix bugs in previous
14797 change from Oct 28, 1999.
14799 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
14801 * stmt.c (expand_value_return): Fix typo in this change:
14803 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14804 (expand_value_return): Correctly convert VAL when promoting function
14805 return; support RETURN_REG being a PARALLEL.
14807 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
14809 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
14811 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14813 * hard-reg-set.h (reg_names): Constify a char*.
14815 * regclass.c (reg_names): Likewise.
14817 * regs.h (reg_names): Likewise
14819 * a29k/a29k.c (reg_names): Delete declaration.
14821 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
14823 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
14824 arc_output_function_epilogue): Likewise.
14826 * elxsi/elxsi.c (reg_names): Likewise.
14828 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
14830 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
14833 * m88k/m88k.c (output_function_profiler): Likewise.
14835 * sparc/sparc.c (sparc_flat_output_function_prologue,
14836 sparc_flat_output_function_epilogue): Likewise.
14838 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
14840 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
14841 warning from -Wuninitialized and put it under -W.
14842 * function.c (uninitialized_vars_warning): Warn only when the
14843 corresponding flag is set.
14845 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
14847 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
14848 is nonzero and the single set does not have an elt, then assign
14851 * simplify-rtx.c: New file.
14852 * Makefile.in (OBJS): Add simplify-rtx.o
14853 (simplify-rtx.o): Add dependencies.
14854 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
14855 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
14856 (cse_gen_binary, simplify_unary_operation): Delete.
14857 (simplify_binary_operation, simplify_plus_minus): Likewise.
14858 (check_fold_consts, simplify_relation_operation): Likewise.
14859 (simplify_ternary_operation): Likewise.
14860 (delete_trivially_dead_insns): Simplify the contents of the
14861 REG_EQUAL note before trying to substitute it into the source
14862 of the reg-reg copy at the end of a libcall sequence.
14864 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
14865 references/callers changed.
14867 * mn10200.c (mn10200_va_arg): Force the return value into a
14870 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
14872 * cccp.c (macroexpand): Avoid out of range accesses for omitted
14875 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
14877 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
14879 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
14881 * fold-const.c (fold): Fix thinko when optimizing comparisons
14884 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
14886 * gcc.texi (Passes): Update front-end files to their current
14889 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
14891 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
14892 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
14893 (PREDICATE_CODES): Add addition_operation.
14894 * alpha-protos.h (addition_operation): Declare.
14895 (secondary_reload_class): Likewise.
14896 * alpha.c (addition_operation): New.
14897 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
14898 * alpha.md (adddi3): Turn into expander.
14899 (*lda, *adddi_2): New.
14900 (movsf, movdf patterns): Don't preference integer regs.
14901 (movsi, movdi patterns): Don't preference fp regs.
14903 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
14905 * genrecog.c (write_switch): Check for duplicate CODE cases.
14907 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
14909 * ggc-common.c: Update pre-function commentary.
14910 * ggc-page.c: Likewise.
14912 (poison_pages): Use memset directly.
14913 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
14914 (ggc_collect): Poison before sweeping.
14915 * ggc-simple.c: Update pre-function commentary.
14916 (ggc_alloc_obj): Poison non-zeroed memory.
14918 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
14920 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
14921 match format string, even on 64-bit hosts.
14922 * gcc-page.c (ggc_page_print_statistics): Likewise.
14924 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
14926 * config/i386/i386.c (ix86_cpu): Revert last patch.
14927 * config/i386/i386.h (ix86_cpu): Ditto.
14929 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
14931 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
14932 TYPE_SIZE, convert type of result to sizetype.
14934 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
14936 * flow.c (count_or_remove_death_notes): Equate NULL with the
14939 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
14940 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
14943 * i386.c (pic_label_no): Delete.
14944 (ix86_attr_length_default): Don't use single_set to peek
14947 * recog.c (peephole2_optimize): Allow recog_next_insn to index
14948 the first insn after bb->end.
14949 * i386.md (push mem peeps): Scratch is live after evaluation
14951 (cmp mem peep): Similarly.
14953 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
14955 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
14956 * function.c (pad_to_arg_alignment): Add missing braces.
14958 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14960 * alpha/alpha-protos.h (literal_section): Add prototype.
14961 (alpha_need_linkage, alpha_start_function,alpha_end_function):
14964 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
14966 (alpha_start_function, alpha_end_function, float_strings,
14967 alpha_need_linkage): Constify a char*
14969 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
14971 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
14973 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
14975 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
14977 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14979 * flow.c (debug_flow_info): Add prototype.
14981 * gcc.c (main): Likewise.
14983 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
14986 * reload1.c (failed_reload, set_reload_reg): Likewise.
14988 * mips-tfile.c (main): Likewise.
14989 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
14990 with ATTRIBUTE_NORETURN.
14992 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
14994 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
14995 DECL is not a memory ref.
14997 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
14999 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15000 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15002 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15004 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15005 * config/mips/elf64.h: ditto.
15007 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15009 * expr.c (emit_push_insn): New argument alignment_pad.
15010 Update all callers. Adjust stack pointer based on alignment pad.
15011 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15012 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15013 (locate_and_pad_parm): New argument alignment_pad. Update all
15015 * expr.h (emit_push_insn): Update prototype.
15016 (locate_and_pad_parm): Update prototype.
15017 * calls.c (arg_data): Add new field alignment_pad.
15018 (initialize_argument_information): Initialize alignment_pad.
15020 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15022 * except.c (free_eh_nesting_info): Free the info itself.
15023 * function.c (free_after_compilation): Don't free NULL.
15024 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15025 (pre_edge_insert): Free inserted.
15026 * stmt.c (free_stmt_status): Don't free NULL.
15028 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15030 * gcov.c (DIR_SEPARATOR): Provide default.
15031 (output_data): Add test for MS-DOS format absolute filename.
15032 (fancy_abort): Correct program name.
15033 (open_files): Open all files in binary mode.
15034 * libgcc2.c (__bb_exit_func): Likewise.
15036 * profile.c (init_branch_prob): Specify binary when opening files.
15038 * flags.h (flag_unwind_tables): New decl.
15039 * toplev.c (flag_unwind_table): New definition.
15040 (f_options): Add -funwind-tables.
15041 (decode_g_option): Clarify warning when unknown -g option is given.
15042 (rest_of_compilation): If inside an inlined external function,
15043 pretend we are just being declared.
15045 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15046 (dwarf2out_frame_finish): Likewise.
15048 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15050 * fold-const.c (merge_ranges): If not in0, but in1, handle
15051 upper bounds equal like subset case.
15053 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15055 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15056 passed in a register but moved to the stack.
15058 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15060 * gcc.c (pass_exit_codes, greatest_status): New variables.
15061 (struct option_map): Add entry for "--pass-exit-codes".
15062 (execute): Update greatest_status if error.
15063 (display_help): Add documentation for -pass-exit-codes.
15064 (process_command): Handle -pass-exit-codes.
15065 (main): Look at pass_exit_codes and greatest_status on call to exit.
15067 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15069 * reload.c (find_reloads): Refine test for no input reload
15070 case to not includes reloads emitted after insn.
15072 * function.c (find_temp_slots_from_address): Handle sum involving
15073 a register that points to a temp slot.
15074 (update_temp_slot_address): Make recursive call if both old and
15075 new are PLUS with a common operand.
15076 * calls.c (expand_call): Mark temp slot for result as having
15079 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15081 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15082 component as well as "BINUTILS".
15084 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15085 * integrate.c (copy_rtx_and_substitute): Likewise.
15086 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15087 All callers changed.
15088 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15090 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15091 gdb extensions, write size of type; also be more consistent
15092 in using references when this is a subtype.
15094 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15095 that is out of range.
15097 * loop.c (unknown_constant_address_altered): New variable.
15098 (prescan_loop): Initialize it.
15099 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15100 (invariant_p, case MEM): Remove handling for volatile and readonly;
15101 check new variable if readonly.
15102 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15104 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15105 (addr_affects_sp_p): Removed from note_mem_written and only
15106 define #ifdef AUTO_INC_DEC.
15108 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15110 * regclass.c (record_reg_classes): Properly handle register move
15113 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15114 Don't think valid if both operands are invalid.
15115 (struct constant_descriptor): New field RTL.
15116 (mark_const_hash_entry): Mark it.
15117 (record_constant{,_rtx}): Initialize it.
15118 (output_constant_def): Allocate RTL in permanent obstack and
15120 ({record,compare}_constant_1): Modes must match for
15121 CONSTRUCTOR of ARRAY_TYPE.
15123 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15124 * output.h (initializer_constant_valid_p): Move decl to here.
15125 * c-common.c (initializer_constant_valid_p): Delete function from here.
15126 * varasm.c (initializer_constant_valid_p): Move function to here.
15128 * tree.h (STRIP_SIGN_NOPS): New macro.
15129 * fold-const.c (optimize_minmax_comparison): New function.
15130 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15131 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15132 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15133 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15134 widening conversions.
15135 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15136 to look at size of mode, not precision of type; also add missing cases.
15137 (optimize_bit_field_compare, decode_field_reference): Don't try to
15138 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15140 * dwarf2out.c (ctype.h): Include.
15141 (dwarf2out_set_demangle_name_func): New function.
15142 (size_of_line_info): Deleted.
15143 (output_line_info): Compute size of line info table from difference
15145 (base_type_die, add_name_attribute): Call demangle function, if any.
15146 (field_byte_offset): Use bits per word for variable length fields.
15147 (gen_array_type_die): Add array name.
15148 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15149 (dwarf2out_add_library_unit_info): New function.
15151 * explow.c (set_stack_check_libfunc): New function.
15152 (stack_check_libfunc): New static variable.
15153 (probe_stack_range): Allow front-end to set up a libfunc to call.
15155 * combine.c (simplify_comparison): When making comparison in wider
15156 mode, check for having commuted an AND and a SUBREG.
15157 (contains_muldiv): New function.
15158 (try_combine): Call it when dividing a PARALLEL.
15159 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15160 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15162 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15163 use one of the CLOBBERs instead.
15164 (if_then_else_cond): If comparing against zero, just return thing
15167 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15168 Don't generate shifts and subtract if have conditional arithmetic.
15170 * rtl.h (delete_barrier): New declaration.
15171 * jump.c (jump_optimize): Set up to handle conditional call.
15172 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15173 (delete_barrier): New function.
15175 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15177 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15179 * tree.c (build_type_attribute_variant): Push to obstack of
15180 ttype around type_hash_canon call.
15182 * expr.c (placeholder_list): Move decl to file scope.
15183 (expand_expr): Don't force access to volatile just because its
15185 If ignoring reference operations, just expand the operands.
15186 (expand_expr, case COMPONENT_REF): Propagate
15187 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15188 Refine test for using bitfield operations vs pointer punning.
15189 (expand_expr, case CONVERT_EXPR): If converting to
15190 BLKmode UNION_TYPE from BLKmode, just return inner object.
15191 Use proper mode in store_field call.
15192 Properly set sizes of object to store and total size in store_field
15193 call for convert to union.
15194 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15195 memory (like for ADDR_EXPR). Also, don't put constant in register if
15196 we'll want it in memory.
15197 (readonly_fields_p): New function.
15198 (expand_expr, case INDIRECT_REF): Call it if LHS.
15199 (expand_assignment): Handle a RESULT_DECL where
15200 DECL_RTL is a PARALLEL.
15201 (do_jump, case WITH_RECORD_EXPR): New case.
15202 (get_inner_reference): Always go inside a CONVERT_EXPR
15203 and NOP_EXPR if both modes are the same.
15204 (store_field): Use bitfield operations if size of bitsize is not same
15205 as size of RHS's type.
15206 Check for bitpos not a multiple of alignment in BLKmode case.
15207 Do block move in largest possible alignment.
15208 (store_constructor): Set BITSIZE to -1 for variable size and properly
15209 in case of array of BLKmode.
15210 (expand_expr_unaligned): New function.
15211 (do_compare_and_jump): Call it.
15213 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15214 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15215 does not include 'o'.
15217 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15218 both SET_DEST and SET_SRC reference a virtual register.
15219 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15221 * integrate.c (expand_inline_function): Handle case of setting
15222 virtual stack vars register (from built in setjmp); when parameter
15223 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15224 (subst_constant): Add new parm, MEMONLY.
15225 (expand_inline_function, integrate_parm_decls): Pass new parm.
15226 (integrate_decl_tree): Likewise.
15227 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15228 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15229 (copy_rtx_and_substitute, case SET): Add explicit calls to
15230 copy_rtx_and_substitute for both sides.
15232 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15234 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15235 within INDEX_TYPE, instead of before.
15236 (fixup_gotos): Use f->target_rtl, not the next insn,
15237 since latter may be from a later fixup.
15238 (expand_value_return): Correctly convert VAL when promoting function
15239 return; support RETURN_REG being a PARALLEL.
15240 (expand_return): When checking for result in regs and having
15241 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15243 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15245 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15246 last_nominal_fname): Mark const.
15247 (struct include_hash: name, nshort, control_macro): Mark
15249 (struct macrodef: symnam): Mark const.
15250 (struct if_stack: fname): Mark const.
15251 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15252 (IStable): New character-syntax array which encompasses all
15253 the old is_foo arrays.
15254 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15255 is_space): New macros for interrogating IStable.
15256 (check_macro_name): Kill last argument. All callers changed.
15258 * cppinit.c (initialize_char_syntax): Delete.
15259 (is_idchar, is_idstart, is_hor_space, is_space,
15260 trigraph_table): Delete.
15261 (IStable): New. Initialize with clever macros to avoid
15262 information duplication.
15263 (builtin_array): Table of builtins to get rid of explicit list
15264 in initialize_builtins.
15265 (initialize_builtins): Use builtins_array.
15266 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15267 opts->dollars_in_ident.
15269 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15271 (cpp_parse_expr): Avoid 'format string is not constant'
15272 warning. Use ISGRAPH to identify printable chars.
15273 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15275 (read_and_prescan): Map trigraphs to chars with open-coded
15276 if-else-if-... sequence, not a lookup table.
15277 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15279 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15280 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15281 (check_macro_name): Remove ability to report an invalid
15282 assertion name, which is never used.
15283 (do_line): Constify a couple of char *'s.
15284 * cppmain.c (main): Call cpp_cleanup before returning.
15286 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15288 * ggc.h (struct ggc_statistics): New type.
15289 (ggc_get_size): New function.
15290 (ggc_print_statistics): Likewise.
15291 * ggc-common.c (ggc_stats): New variable.
15292 (ggc_mark_rtx_children): Keep statistics.
15293 (ggc_mark_tree_children): Likewise.
15294 (ggc_print_statistics): New function.
15295 * ggc-page.c (struct globals): Add bytes_mapped field.
15296 (alloc_anon): Update it.
15297 (release_pages): Likewise.
15298 (ggc_get_size): New function.
15299 (ggc_page_print_statistics): New function.
15300 * ggc-simple.c (ggc_get_size): New function.
15302 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15304 * flow.c (propagate_block): When the last reference to a label
15305 before an ADDR_VEC is deleted because the reference is a dead
15306 store, delete the ADDR_VEC.
15308 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15310 * resource.c (find_free_register): Don't use the frame pointer
15311 if frame_pointer_needed.
15313 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15315 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15316 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15318 * config/i960/i960.c (i960_va_start): New locals base, num.
15319 Use INDIRECT_REF instead of ARRAY_REF on valist.
15320 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15322 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15324 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15326 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15328 * tree.def (PLACEHOLDER_EXPR): Update comments.
15330 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15332 * c-common.c (check_format_info): Avoid non-literal format string
15333 warnings when `first_arg_num' is zero.
15335 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15337 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15339 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15341 * arm.md (casesi_insn): Add a clobber of the condition code
15344 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15346 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15347 used by both cc1 and cc1plus.
15349 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15351 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15352 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15353 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15354 to the value 32 if it has not already been defined.
15355 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15356 Override definition in arm.h with a value of 8.
15358 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15360 * c-pragma.c (push_alignment): Don't check the return value
15363 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15365 * sparc.h (ADJUST_COST): Fix thinko.
15367 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15369 * cccp.c (rescan): Fixed obp pointer handling around call to
15370 check_expand subroutine.
15372 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15374 * gcse.c (delete_null_pointer_checks): Only record non-null info
15375 for pseudos when examining stores.
15377 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15378 splitters for these patterns. Use "#" for output templates.
15379 (addsi3_carryin_shift): New pattern.
15381 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15383 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15384 of the function return register into a plain REG until
15385 after function inlining is done.
15387 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15389 * jump.c (jump_optimize_1): If we did cross-jumping, and
15390 the data will matter, rebuild the CFG.
15391 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15392 not optimizing. Don't run shorten_branches.
15393 * toplev.c (rest_of_compilation): Run shorten_branches after
15396 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15398 * rtl.h (note_stores): Add additional paramter.
15399 * rtlanal.c (reg_set_p_1): Take additional paramter.
15400 (reg_set_last_1): Likewise.
15401 (reg_set_p): Adjust call to note_stores.
15402 (reg_set_last): Likewise.
15403 (note_stores): Pass data parameter to worker function.
15404 * alias.c (record_set): Take additional parameter.
15405 (init_alias_analysis): Pass it.
15406 * caller-save.c (mark_set_regs): Take additional parameter.
15407 (save_call_clobbered_regs): Pass NULL to note_stores.
15408 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15410 (record_dead_and_set_regs_1): Likewise.
15411 (reg_dead_at_p_1): Likewise.
15412 (combine_instructions): Adjust calls to note_stores.
15413 (try_combine): Likewise.
15414 (record_dead_insn): Remove.
15415 (record_dead_and_set_regs): Adjust calls to note_stores.
15416 (reg_dead_at_p): Likewise.
15417 * cse.c (invalidate_skipped_set): Take additional parameter.
15418 (cse_check_loop_start): Likewise.
15419 (cse_check_loop_start_value): Remove.
15420 (cse_set_around_loop): Adjust calls to note_stores.
15421 * flow.c (notice_stack_pointer_modification): Take additional
15422 parameter. Remove duplicate declaration.
15423 (record_volatile_insns): Adjust calls to note_stores.
15424 * gcse.c (record_set_info): Take additional parameter.
15425 (record_last_set_info): Likewise.
15426 (invalidate_nonnull_info): Likewise.
15427 (record_set_insn): Remove.
15428 (compute_sets): Adjust calls to note_stores.
15429 (last_set_insn): Remove.
15430 (compute_hash_table): Adjust calls to note_stores.
15431 (insert_insn_end_bb): Likewise.
15432 (delete_null_pointer_checks): Likewise.
15433 * global.c (mark_reg_store): Take additional parameter.
15434 (mark_reg_clobber): Likewise.
15435 (reg_becomes_live): Likewise.
15436 (global_conflicts): Adjust calls to note_stores.
15437 (build_insn_chain): Likewise.
15438 * integrate.c (note_modified_parmregs): Take additional parameter.
15439 (mark_stores): Likewise. Make it static.
15440 (save_for_inline_nocopy): Adjust calls to note_stores.
15441 (try_constants): Likewise.
15442 * integrate.h (mark_stores): Remove declaration.
15443 * jump.c (mark_modified_reg): Take additional parameter.
15444 (thread_jumps): Adjust calls to note_stores.
15445 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15447 (no_equiv): Likewise.
15448 (reg_is_set): Likewise.
15449 (validate_equiv_mem): Adjust calls to note_stores.
15450 (update_equiv_regs): Likewise.
15451 (block_alloc): Likewise.
15452 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15453 (note_addr_stored): Take additional parameter.
15454 (note_set_pseudo_multiple_uses): Likewise.
15455 (record_initial): Likewise.
15456 (prescan_loop): Adjust calls to note_stores.
15457 (strength_reduce): Likewise.
15458 (check_dbra_loop): Likewise.
15459 * regmove.c (flags_set_1): Take additional paramter.
15460 (mark_flags_life_zones): Adjust calls to note_stores.
15461 * reload1.c (mark_not_eliminable): Take additional parameter.
15462 (forget_old_reloads_1): Likewise.
15463 (reload_cse_invalidate_rtx): Likewise.
15464 (reload_cse_check_clobber): Likewise.
15465 (reload_combine_note_store): Likewise.
15466 (move2add_note_store): Likewise.
15467 (reload): Adjust calls to note_stores.
15468 (reload_as_needed): Likewise.
15469 (emit_reload_insns): Likewise.
15470 (reload_cse_regs_1): Likewise.
15471 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
15472 (reload_combine): Adjust calls to note_stores.
15473 * resource.c (update_live_status): Take additional paramter.
15474 (mark_target_live_regs): Adjust calls to note_stores.
15475 * stupid.c (find_clobbered_regs): Take additional parameter.
15476 (stupid_life_analysis): Adjust calls to note_stores.
15478 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
15480 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
15483 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
15486 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
15487 of the variable arm_structure_size_boundary.
15489 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15491 * alias.c (init_alias_analysis): Allocate reg_known_value and
15492 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
15494 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
15495 * cse.c (cse_main): Call end_alias_analysis.
15496 * haifa-sched.c (schedule_insns): Likewise.
15497 * local-alloc. (update_equiv_regs): Likewise.
15498 * reload1.c (reload_cse_regs): Likewise.
15500 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15502 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
15503 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
15504 mapping from MASK_FPU.
15506 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
15508 * sparc.md (call): Don't bound structure return size to 0xfff.
15510 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
15512 * resource.c (mark_target_live_regs): Check that the target
15513 insn wasn't created after compute_bb_for_insn.
15515 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
15517 * ggc-page.c (poison_pages): Don't be overzealous.
15519 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
15521 * alias.c: Update comments for ADDRESS.
15522 (nonlocal_reference_p): Look inside the ADDRESS to determine if
15523 it is a local memory reference.
15525 * c-typeck.c (build_function_call): Check that the built-in
15526 function is of class BUILT_IN_NORMAL before trying to recongize
15527 it as BUILT_IN_ABS.
15528 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
15529 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
15531 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
15533 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
15535 (pre_gcse): Likewise.
15536 (hoist_expr_reaches_here_p): Likewise.
15537 (hoist_code): Likewise.
15538 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
15540 (pre_expr_reaches_here_p_work): ... here.
15541 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
15543 (expr_reaches_here_p_work): ... here.
15545 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
15547 * resource.c (find_basic_block): Delete.
15548 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
15549 (init_resource_info): Call compute_bb_for_insn.
15551 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
15553 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
15554 with already adjacent blocks, but no fallthru.
15555 (merge_blocks_move_successor_nojumps): Simplify.
15556 (debug_flow_info): New.
15558 * toplev.c (rest_of_compilation): Open jump1 dump file before
15559 jump and close after, as opposed to just using dump_rtl.
15561 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15563 * reload.h (earlyclobber_operand_p): Declare.
15564 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
15565 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15566 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
15567 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
15569 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15570 Richard Henderson <rth@cygnus.com>
15572 * emit-rtl.c (emit_block_insn_before): New.
15573 (emit_block_insn_after): New.
15574 * basic-block.h: Declare them.
15576 * bitmap.h: Protect from multiple inclusion.
15578 * recog.c (scratch_operand): Handle VOIDmode correctly.
15580 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
15582 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
15583 * function.c (assign_parms): Likewise.
15584 * global.c (global_conflicts): Clarify STACK_REGS commentary.
15586 * reg-stack.c (max_uid): Remove.
15587 (blocks, block_begin, block_end, block_drops_in): Remove.
15588 (block_stack_in, block_out_reg_set, block_number): Remove.
15589 (struct block_info_def, BLOCK_INFO): New.
15590 (enum emit_where): New.
15591 (current_block): New.
15592 (BLOCK_NUM): Remove.
15593 (mark_regs_pat, record_label_references): Remove.
15594 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
15596 (goto_block_pat, print_blocks, dump_stack_info): Remove.
15597 (reg_to_stack): Simplified test for existance of fp code. Use
15598 flow.c code. Call shorten_branches after cross-jump opt.
15599 (check_asm_stack_operands): Renamed from record_asm_reg_life.
15600 Return false if the asm doesn't use stack regs. Don't do life
15601 analysis on the asm.
15602 (emit_pop_insn): Replace function pointer arg `when' with
15603 enum `where'. Update all callers.
15604 (change_stack): Likewise. Update basic block end.
15605 (emit_swap_insn): Use current_block->head to limit reverse search
15606 for start of block. Use emit_block_insn_after.
15607 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
15608 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
15609 structure assignment instead of bcopy.
15610 (print_stack): New.
15611 (convert_regs_entry, convert_regs_exit): New.
15612 (convert_regs_1, convert_regs_2): Split out from convert_regs.
15613 Work on basic blocks and the CFG.
15614 (convert_regs): Use them.
15616 * i386.c (output_fix_trunc): Remove code for DImode input operand
15617 not at top-of-stack.
15618 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
15620 (fix_truncdi_1): Allow any mode scratch.
15622 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
15624 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
15625 * linux.h, netbsd.h, vms.h: Not here.
15627 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
15629 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
15630 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
15631 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
15632 CONDITIONAL_REGISTER_USEAGE): Use them.
15633 * config/mips/mips.c (mips_move_1word,mips_move_2words,
15634 gen_conditional_branch,override_options) : Use them.
15635 * config/mips/mips.md : Use them.
15637 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
15639 * i386.md (zero_extendqihi2): Use SImode register name with andl.
15641 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
15643 * integrate.c (function_cannot_inline_p): Don't allow inlining
15646 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15648 * c-parse.in (cast_expr): Constify.
15650 * cccp.c (special_symbol): Likewise.
15652 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
15654 * dwarf2out.c (base_type_die): Likewise.
15656 * global.c (allocno_compare): Likewise.
15658 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
15660 * regclass.c (fix_register): Likewise.
15662 * rtl.h (fix_register): Likewise.
15664 * stupid.c (stupid_reg_compare): Likewise.
15666 * toplev.c (decode_f_option): Likewise.
15668 * tree.c (build_complex_type): Likewise.
15670 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
15672 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
15674 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15676 * reload.c (find_reloads): Compute mode and nregs fields of all
15678 * reload1.c (calculate_needs_all_insns): Simplify a bit.
15679 (calculate_needs): Use precomputed mode/nregs values.
15680 (allocate_reload_reg): Likewise.
15682 (failed_reload, set_reload_reg): ... new functions.
15683 (choose_reload_regs_init): New function, mostly broken out from...
15684 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
15685 Also lose one #if 0 block.
15687 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
15689 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
15692 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
15694 * tree.h (BLOCK_TYPE_TAGS): Remove.
15695 (BLOCK_END_NOTE): Likewise.
15696 (BLOCK_LIVE_RANGE_FLAG): Likewise.
15697 (BLOCK_LIVE_RANGE_START): Likewise.
15698 (BLOCK_LIVE_RANGE_END): Likewise.
15699 (tree_block): Remove live_range_flag, live_range_var_flag, and
15700 type_tags. Remove end_note, live_range_start, and live_range_end.
15701 (remember_end_note): Remove prototype.
15702 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
15703 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
15705 * ggc-common.c (ggc_mark_tree_children): Don't mark
15706 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
15707 * integrate.c (adjust_copied_decl_tree): Remove.
15708 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
15709 * stmt.c (last_block_end_note): Remove.
15710 (init_stmt): Don't add a GC root for it.
15711 (expand_fixup): Don't set it.
15712 (remember_end_note): Remove.
15713 (expand_end_bindings): Don't set last_block_end_note.
15715 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15717 * reload1.c (reload_reg_free_for_value_p): Show
15718 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
15721 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
15723 * expmed.c (extract_bit_field): Allow for the case of non-integer
15724 objects that are smaller than a word (like SFmode on a 64-bit
15727 * loop.c (basic_induction_var): A non-integer variable which is
15728 being set by a paradoxical subreg is probably not a biv.
15730 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15732 * prefix.c (translate_name) Check for empty prefix string.
15734 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
15736 * Makefile.in (CPP_CROSS_NAME): New variable.
15737 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
15739 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
15740 names of the files to be uninstalled.
15742 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
15744 * collect2.c (IS_DIR_SEPARATOR): Define.
15745 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
15747 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
15750 * haifa-sched.c (add_dependence): Update the true dependency
15751 cache the first time we add a true dependence to the LOG_LINKS chain.
15753 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
15755 * fold-const.c (fold): Fix comment.
15757 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15759 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
15760 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
15761 dbxout_start_new_source_file, dbxout_source_file,
15762 dbxout_source_line, dbxout_finish, dbxout_type_fields,
15763 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
15765 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
15766 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
15767 (dbxout_block): Initialize variable `blocknum'.
15769 * dbxout.h (dbxout_init, dbxout_finish,
15770 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
15771 dbxout_args, dbxout_source_line): Constify a char*.
15773 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
15774 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
15775 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
15776 low_pc_attribute, high_pc_attribute, body_begin_attribute,
15777 body_end_attribute, comp_dir_attribute, sf_names_attribute,
15778 src_info_attribute, mac_info_attribute, producer_attribute,
15779 lookup_filename, generate_macinfo_entry, fundamental_type_code,
15780 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
15781 dwarfout_undef): Constify a char*.
15782 (add_incomplete_type, retry_incomplete_types): Add prototypes.
15784 * dwarfout.h (dwarfout_define, dwarfout_undef,
15785 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
15787 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
15789 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
15790 (MULTILIB_ISA_DEFAULT): New.
15791 (MULTILIB_DEFAULTS): Use it.
15792 * config/mips/mips.c (): Remove the now unnecessary definition
15793 of MIPS_ISA_DEFAULT.
15794 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
15795 unnecessary definition.
15797 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
15799 * arm.md (pic_load_addr): Add constraints to operand 1.
15801 1999-10-25 Bruce Korb <autogen@linuxbox.com>
15803 * fixinc/genfixes: Provide a means for specifying -D options to
15806 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
15808 * arm.c (arm_override_options): Correct initialization of
15809 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
15810 arm_is_strong, and arm_is_6_or_7.
15812 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
15813 (note_set_pseudo_multiple_uses): New function.
15814 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
15815 if a pseudo set in the loop exit is used elsewhere.
15817 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
15819 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
15821 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
15823 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
15824 a single load-address pattern.
15826 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
15828 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
15829 depending on whether or not line-number notes are present.
15831 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15833 * cccp.c (progname, file_buf, default_include, include_file,
15834 macrodef, definition, hashval, wchar_type, user_label_prefix,
15835 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
15836 expand_to_temp_buffer, is_system_include, base_name,
15837 absolute_filename, read_name_map, open_include_file,
15838 record_control_macro, check_precompiled, check_preconditions,
15839 pcfinclude, pass_thru_directive, create_definition,
15840 check_macro_name, comp_def_part, collect_expansion,
15841 check_assertion, read_token_list, assertion_install,
15842 assertion_lookup, eval_if_expression, conditional_skip,
15843 validate_else, skip_quoted_string, quote_string, macarg1,
15844 error_from_errno, install, lookup, hashf, dump_defn_1,
15845 perror_with_name, pfatal_with_name, main, trigraph_pcp,
15846 check_white_space, rescan, handle_directive, monthnames,
15847 special_symbol, do_include, remap_include_file, write_output,
15848 arglist, do_assert, do_unassert, do_line, do_error, do_once,
15849 do_ident, do_sccs, do_xifdef, skip_if_group,
15850 output_line_directive, macroexpand, macarg, change_newlines,
15851 initialize_builtins, make_definition): Constify a char*.
15853 * pcp.h (stringdef): Likewise.
15855 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
15857 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
15860 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
15861 Richard Henderson <rth@cygnus.com>
15863 * alias.c: Include ggc.h.
15864 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
15865 (record_set): Verify enough room in reg_base_value.
15866 (init_alias_analysis): Allocate reg_base_value with xcalloc.
15867 Register it as a GC root.
15868 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
15869 * Makefile.in (alias.o): Depend on ggc.h.
15871 * unroll.c (unroll_loop): Verify the insn before a barrier
15872 is a JUMP_INSN before checking JUMP_LABEL.
15874 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15876 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
15877 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
15878 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
15879 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
15880 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
15881 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
15883 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15885 * output.h (ctors_section, dtors_section, bss_section): Prototype.
15887 * alpha/alpha-interix.h (text_section): Delete prototype.
15888 * alpha/elf.h (text_section): Likewise.
15889 * arm/linux-elf.h (text_section): Likewise.
15890 * arm/linux-telf.h (text_section): Likewise.
15891 * c4x/c4x.h (text_section): Likewise.
15892 * dsp16xx/dsp16xx.h (bss_section): Likewise.
15893 * elfos.h (text_section): Likewise.
15894 * i386/aix386ng.h (text_section): Likewise.
15895 * i386/i386-interix.h (text_section): Likewise.
15896 * i386/sco5.h (text_section): Likewise.
15897 * i386/svr3gas.h (text_section): Likewise.
15898 * nextstep.h (text_section): Likewise.
15899 * psos.h (text_section): Likewise.
15900 * ptx4.h (text_section): Likewise.
15901 * svr3.h (text_section): Likewise.
15902 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
15904 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15906 * final.c (peephole): Delete prototype.
15908 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
15909 (pre_insert_copies): Remove unused variable `bb'.
15911 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
15914 * output.h (peephole): Add prototype.
15916 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
15918 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
15921 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
15923 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
15924 for inlined declarations.
15926 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
15928 * arm.c (logical_binary_operator): New fucntion.
15929 * arm.h (logical_binary_operator): Declare it.
15930 (PREDICATE_CODES): Handle logical_binary_operator.
15931 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
15932 output constraints. Add appropriate splitters.
15933 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
15934 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
15935 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
15937 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15939 * genoutput.c (struct operand_data): New elt eliminable.
15940 (output_operand_data): Write it.
15941 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
15942 (compare_operands): Take it into account.
15943 * recog.h (struct insn_operand_data): New elt eliminable.
15944 * reload1.c (check_eliminable_occurrences, elimination_effects): New
15946 (old_asm_operands_vec, new_asm_operands_vec): Delete.
15947 (eliminate_regs): Move code that detects changes to elimination
15948 target regs into new function elimination_effects.
15949 Delete one #if 0 block.
15950 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
15951 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
15952 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
15953 Only call eliminate_regs for real operands of the insn, not for parts
15954 of its structure or parts matched by things like match_operator.
15955 Use elimination_effects and check_eliminable_occurrences. Use
15956 copy_insn to duplicate the pattern when not in the final pass.
15958 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
15960 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
15963 1999-10-22 Bruce Korb <autogen@linuxbox.com>
15965 * fixinc/README: document the "mach" machine matching test
15966 * fixinc/fixfixes.c: Implement the #else/#endif label fix
15967 * fixinc/fixtests.c: Implement the #else/#endif label test
15968 * fixinc/inclhack.def: utilize these tests and fixes
15969 * fixinc/inclhack.sh: regen
15970 * fixinc/fixincl.x: regen
15971 * fixinc/fixincl.sh: regen
15973 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
15975 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
15978 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
15980 * gcc.1: Document exit codes.
15982 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15984 * calls.c: Include tm_p.h later, so everything we need is defined.
15985 * expr.c: Likewise.
15986 * function.c: Likewise.
15988 * except.c: Include tm_p.h.
15990 * sparc.c: Likewise.
15991 (dwarf2out_cfi_label): Don't prototype.
15992 (check_return_regs, epilogue_renumber,
15993 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
15994 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
15995 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
15996 ultra_schedule_insn): Add static prototype.
15997 (data_segment_operand, text_segment_operand): Call itself with the
15998 proper number of arguments.
15999 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16001 * sparc.h: Move all declarations to sparc-protos.h.
16002 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16005 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16007 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16009 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16010 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16011 ASM_OUTPUT_ASCII): Constify a char*.
16013 * sparc-protos.h: New file for sparc prototypes.
16015 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16017 * function.c (record_insns, contains): Always declare and define.
16018 (record_insns): Mark with ATTRIBUTE_UNUSED.
16020 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16022 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16023 to .section when outputting a .bss section to deal with multiple
16024 .bss input sections (as happens with -fdata-sections)
16025 Also output %progbits, not @progbits so the assembler doesn't treat as
16027 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16029 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16030 thumb parts even when building with non-thumb CPUs, by forcing
16033 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16035 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16036 (movdf_const_intreg_sp64): Similarly.
16038 * local-alloc.c (update_equiv_regs): Check the correct insn
16039 for pre-existing REG_EQUIV notes.
16041 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16043 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16044 block reached by a branch if we're not going to actually process
16047 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16049 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16050 a local extern function declaration.
16052 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16054 * i386.c (ix86_expand_prologue): Properly wrap USE around
16055 reg for CALL_INSN_FUNCTION_USAGE.
16057 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16059 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16060 move between GP_REGs.
16062 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16064 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16065 the mode size when finding out if an offset is legal.
16067 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16069 * basic-block.h (PROP_*): Move constants from ...
16070 * flow.c: ... here.
16071 (compute_bb_for_insn): Free the array before reallocating.
16072 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16073 (allocate_reg_life_data): Reset all reg variables collected by
16075 (get_block_head_tail): Don't convert from bb to block.
16076 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16077 (find_insn_reg_weight): Take block not bb.
16078 (schedule_block): Don't set block num for moved insns.
16079 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16080 (schedule_insns): Do it here instead.
16081 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16082 before update_life_info.
16083 * recog.c (split_all_insns, peephole2_optimize): Update for
16084 new arg to update_life_info.
16085 * rtlanal.c (remove_note): Cope with NULL note.
16086 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16089 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16091 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16093 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16094 block records so that merge_blocks_nomove will clean up correctly.
16095 (split_edge): Handle casesi insns.
16097 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16099 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16101 * pa.md (call, call_value): Do not emit a blockage after restoring
16104 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16106 * c-typeck.c (c_expand_asm_operands): Fix typo.
16108 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16110 * arm.c (fpu_rhs_operand): Verify modes.
16111 (fpu_add_operand): Likewise.
16112 (di_operand): Likewise.
16113 (soft_df_operand): Likewise.
16115 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16117 * arm.c (arm_return_in_memory): APCS rules state that the elements
16118 of a structure returned in a register must be 'integer-like'.
16120 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16122 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16123 in the source tree when the generated targets are out of date
16124 * fixinc/genfixes: Alter it to run individual fixes for make.
16125 * fixinc/README: rewrite
16126 * fixinc/inclhack.def: moved initial comments to README
16128 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16130 * toplev.c (main): Do not generate an error message if an
16131 unrecognised command line switch is recognisable by another
16132 language. If extra_warnings are enabled, then generate a
16133 warning message instead.
16135 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16137 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16138 (insert_pack_attributes): Delete prototype.
16140 * c-pragma.c (default_alignment): New static variable.
16141 (push_alignment): Initialize to current effective alignment.
16142 (pop_alignment): Use to set new alignment.
16143 (insert_pack_attributes): Delete function.
16144 (handle_pragma_token): Set default_alignment as well each time
16145 a #pragma pack(<n>) is encountered.
16147 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16149 * reg-stack.c (stack_result): Aggregates are not returned in
16152 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16154 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16156 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16158 * basic-block.h (set_block_num): Declare.
16159 * flow.c (update_life_info): Don't call compute_bb_for_insn
16160 or free_basic_block_vars.
16161 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16162 (insn_orig_block): Remove.
16163 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16164 (schedule_block): Keep BLOCK_NUM up-to-date.
16165 (schedule_insns): Use compute_bb_for_insn.
16166 * recog.c (split_all_insns): Likewise.
16167 (peephole2_optimize): Likewise.
16169 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16171 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16172 if the pic register is used.
16174 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16176 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16177 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16178 if that tests TREE_PERMANENT.
16180 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16182 * cse.c (invalidate_for_call): Do not remove memory references from
16183 the table here. It's handled elsewhere.
16185 * haifa-sched.c (add_dependence): Protect references to the
16186 true dependency cache with #ifdef INSN_SCHEDULING.
16187 (remove_dependence): Similarly.
16189 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16190 to the cfg code that this is a return instruction.
16191 * mn10300.md (return_internal): Similarly.
16193 * combine.c (get_last_value): If the last set of a register
16194 is after subst_low_cuid, then we can not use it to determine
16195 the register's last value.
16197 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16199 * Makefile.in: Back out previous change.
16201 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16203 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16205 * haifa-sched.c (add_dependence): Only check/update the cache
16207 (remove_dependence): Likewise.
16208 (schedule_insns): Only create the true_dependency_cache if the
16209 average number of instructions in a basic block is very large.
16211 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16213 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16214 (ggc-simple.o): Likewise.
16215 (ggc-page.o): Likewise.
16217 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16219 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16220 Prototype for exported functions.
16221 (pre_lcm, pre_rev_lcm): Remove prototypes.
16222 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16223 (compute_available): Move to lcm.c, and change parameter order.
16224 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16225 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16226 (gcse_main): No longer call compute_preds_succs. Rebuild the
16227 set table after reach pre pass.
16228 (pre_insert_map, pre_delete_map, edge_list): New.
16229 (alloc_pre_mem): Allocate edge vectors.
16230 (free_pre_mem): Delete edge vectors.
16231 (compute_pre_data): Call new edge based lcm routines.
16232 (process_insert_insn): New function.
16233 (insert_insn_end_bb): Use it.
16234 (pre_edge_insert): New function.
16235 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16237 (pre_insert_copies): Revamp using new edge based lcm outputs.
16238 (pre_delete): Likewise.
16239 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16241 (compute_code_hoist_vbeinout): New new edge based routines.
16242 * lcm.c: Remove all the old LCM functions. Replace with new ones
16243 that work with the new cfg datastructures and work with edges
16246 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16248 * reload.h (struct reload): Add new fields "mode" and "nregs".
16249 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16250 to reference the "mode" and "nregs" field within struct reload.
16252 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16254 * haifa-sched.c (true_dependency_cache): New.
16255 (add_dependence): Use the true dependency cache to avoid expensive
16256 walks down the LOG_LINKS dependency list. Add entries to the
16257 cache as necessary.
16258 (remove_dependence): Remove entries from the true dependency cache
16260 (schedule_insns): Allocate and initialize and free the true
16263 * haifa-sched.c (schedule_insns): Do not remove inter-block
16264 dependencies anymore.
16266 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16268 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16269 * i386/t-winnt: Likewise.
16271 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16273 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16275 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16277 * Makefile.in (LANGUAGES): Omit "proto".
16278 (clean): Remove stale comment about removing unprotoize.c.
16280 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16282 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16283 using arithmetic on void pointers.
16285 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16287 * haifa-sched.c (compute_block_forward_dependencies): Only check
16288 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16290 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16292 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16293 (expr_equiv_p): Reject memories with different alias sets.
16295 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16297 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16298 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16299 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16300 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16301 (lang_init): Set default for flag_bounds_check if still "unspecified".
16303 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16305 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16307 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16309 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16312 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16314 * config/c4x/c4x.md (*db_noclobber,
16315 *decrement_and_branch_until_zero_noclobber): New patterns and
16316 associated splitters.
16318 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16320 * config/c4x/c4x.md (parallel instruction patterns): Rework
16321 constraints to keep reload happy.
16323 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16325 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16326 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16327 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16328 Add new patterns and associated post-reload splitters.
16330 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16332 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16334 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16336 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16338 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16340 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16342 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16345 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16347 * pa.c (move_operand): Rely on memory_address_p to determine the
16348 validity of non-indexed memory addresses.
16349 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16350 operand in DFmode and SFmode when generating PA2.0 code.
16352 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16354 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16356 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16358 * mips.c (function_prologue): Fix argument types.
16359 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16360 (casesi_internal): Write to the scratch register.
16362 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16364 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16366 (parse_charconst): Delete unnecessary cast when calling
16368 (cpplib.h): Kill prototype of cpp_parse_escape.
16370 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16372 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16373 * unroll.c (unroll_loop): Cast return value of alloca.
16374 * i370/i370.c: Include function.h and toplev.h.
16375 (i370_label_scan): Remove c++ commented abort.
16376 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16377 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16378 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16379 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16381 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16383 * config/t-freebsd: Do not override USER_H.
16384 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16386 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16387 Mumit Khan <khan@xraylith.wisc.edu>
16389 * c-parse.in (component_decl): Support anonymous struct/union.
16391 * c-parse.y: Regenerate.
16392 * c-parse.c: Likewise.
16393 * objc/objc-parse.y: Likewise.
16394 * objc/objc-parse.c: Likewise.
16395 * c-decl.c (finish_struct): Don't sort the fields.
16396 (field_decl_cmp): Delete unused function.
16398 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16400 * sparc.md (movsf_const_intreg): Revert last constraint change.
16401 (movdf_const_intreg_sp32): Likewise.
16403 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16405 * cse.c: Include hashtab.h instead of splay-tree.h
16406 (struct cse_reg_info): No longer use variant union. Add new
16407 field "regno". All references changed to avoid union.
16408 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16409 (free_cse_reg_info): Remove.
16410 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16411 (get_cse_reg_info): Revamp to use expandable hash tables instead
16412 of splay trees. Initialize new fields in cse_reg_info structure.
16413 (new_basic_block): Similarly.
16415 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16417 * genrecog.c (message_with_line): Prototype.
16418 (validate_pattern): Pass along the set for the dest, not a flag.
16419 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16420 Check for PC/CC0 as sources.
16421 (nodes_identical): Check for children position match before
16422 allowing the combination.
16424 * rtl.c (read_rtx): Track line number across \\\n.
16426 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16428 * mips.h (SPECIAL_MODE_PREDICATES): New.
16429 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16430 (movdi+1, movsi+1): Add output reload constraint.
16431 (casesi_internal): Likewise. Fix commentary.
16432 (return_internal): Use pmode_register_operand.
16434 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16436 * 1750a.md (movstrqi): Add missing output reload constraint.
16437 (call_value): Likewise.
16438 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16439 (jmpfdec): Add missing inout reload constraint.
16440 * elxsi.md (addsi patterns): Add missing output reload constraint.
16441 (move from sp): Use @ alternates.
16442 (call_value): No constraint on output.
16443 * fr30.md (movsi_pop): Add missing output reload constraint.
16444 (movsf_constant_store): Likewise.
16445 (splits): Remove constraints.
16446 (subsi3): Add missing mode.
16447 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16448 (call_value): Likewise.
16449 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16450 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16451 * m32r.md (movsicc_internal): Add output reload constraint.
16452 (movstrsi_internal): Add inout reload constraints.
16453 * m88k.h (reg_names): Don't declare.
16454 (SPECIAL_MODE_PREDICATES): New.
16455 * m88k.md (*): Use register_operand not reg_or_0_operand
16457 * mn10200.h (PREDICATE_CODES): New.
16458 * ns32k.md (ffs pattern): Add output reload constraint.
16459 * pdp11.md (sob pattern): Add inout reload constraint.
16460 * sh.md (splits): Remove constraints.
16461 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
16462 * v850.md (pattern_is_ok_for_epilogue): Likewise.
16463 * vax.md (jgequ pattern): Add inout reload constraint.
16465 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
16467 * configure.in (djgpp): Revert previous patch.
16468 * configure: Rebuit.
16469 * config/i386/djgpp.h: Revert previous patch.
16471 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
16473 * fixinc/inclhack.def: Restore patch lost during last merge of
16474 "no_bogosity" branch.
16475 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16477 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16479 * fixincludes: Add a HPUX 11 fix for inttypes.h.
16480 * fixinc/inclhack.def: Same.
16481 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
16483 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
16485 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
16486 as the base of a PLUS.
16488 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16490 * config/c4x/c4x.md: Define mode for remaining unspec operators.
16491 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
16493 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
16495 * pa.md (post_stw+1): Use pmode_register_operand.
16496 (dcacheflush, icacheflush): Likewise.
16498 * i386.md (movstricthi_1): Allow r/r.
16500 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
16502 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
16503 to (not (and (arg0) (arg1))). Similary for and.
16505 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
16506 fallthrough to associate code.
16507 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
16510 * combine.c (simplify_logical): Convert XOR to IOR if operands have
16511 no bits in common; remove XOR to ROTATE conversion.
16513 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16515 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
16517 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16519 * config/c4x/c4x.c (dst_operand): New.
16520 (PREDICATE_CODES): Update.
16521 * config/c4x/c4x.h (dst_operand): Declare it.
16522 * config/c4x/c4x.md: Define mode for each unspec usage.
16523 (move patterns): Use dst_operand predicate instead of src_operand.
16524 (movqi_update, movqf_update): Delete.
16526 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
16528 * recog.c (pmode_register_operand): New.
16529 * recog.h: Declare it.
16530 * genrecog.c (pred_codes): Likewise.
16531 (special_mode_pred_table): Likewise.
16532 (validate_pattern): Don't warn no mode for address_operand.
16534 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
16535 if the operand is not insn-like.
16537 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
16538 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
16540 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
16542 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
16544 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
16545 instead of general_operand in a SET_DEST. Use const_double_operand
16546 instead of an explicit test against CONST_DOUBLE.
16547 (movsf_const_lo): Add missing register mode.
16548 (goto_handler_and_restore): Add auxiliary test for Pmode.
16549 (flush): Adjust to use address_operand.
16550 (return_sf_no_fpu): Add missing output constraint.
16552 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
16554 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
16555 for call return value.
16556 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
16558 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
16560 * toplev.c (main): Only warn about options for other languages.
16561 * collect2.c (main): Pass -w to sub-gcc.
16563 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
16565 * flow.c (propagate_block): Add call-clobbered registers to
16568 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
16569 zapping mem_set_list.
16570 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
16571 (mark_set_1, mark_used_regs): Likewise.
16573 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
16575 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
16577 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16579 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
16580 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
16581 options. Also add a new item "C-only Warning Options" to the
16584 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
16586 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
16587 from multiple calls.
16589 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
16591 * i386.md (call value patterns): Move to the end of the file.
16592 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
16594 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
16596 * configure.in (djgpp configuration): Define extra_objects..
16597 * configure: Rebuilt.
16598 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
16599 (DTORS_SECTION_ASM_OP): Define.
16600 (INIT_SECTION_ASM_OP): Define.
16601 (FINI_SECTION_ASM_OP): Define.
16602 (DATA_SECTION_ASM_OP): Define.
16603 (TEXT_SECTION_ASM_OP): Define.
16604 (EH_FRAME_SECTION_ASM_OP): Define.
16605 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
16606 (STARTFILE_SPEC): Add crtbegin.o.
16607 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
16608 to here from LINK_COMMAND_SPEC.
16609 (DO_GLOBAL_CTORS_BODY): Define.
16610 (CRTSTUFF_USE_FINI_SECTION): Define
16611 (HAS_INIT_SECTION): Delete.
16613 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
16615 * Makefile.in (all.cross): Depend on xcpp$(exeext).
16617 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
16619 * pa.h (PREDICATE_CODES): New.
16621 * genrecog.c (validate_pattern): Condense the destination
16622 non-lvalue message.
16624 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
16626 * alpha.md (call-1): Supply missing mode for operator.
16627 (*): Add missing output reload constraints. Remove constraints
16628 from define_splits.
16630 * i386.h (SPECIAL_MODE_PREDICATES): New.
16631 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
16632 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
16633 (addsi_lea_3): Add missing mode for op 3.
16634 (prologue_set_got, prologue_get_pc): Add missing modes.
16635 (*) Add missing output reload constraints.
16637 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
16639 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
16640 check for member bit-size overflow and use var_size if it occurs.
16641 (layout_record): Use bitsize_int() to define the type size in bits.
16642 Likewise for computation and assignment to DECL_FIELD_BITPOS.
16643 (layout_decl): Likewise when assigning to DECL_SIZE.
16645 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
16647 * genrecog.c (validate_pattern): Typo last change. Verify
16648 that output operands have output reloads.
16650 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
16652 * genrecog.c (special_mode_pred_table): New.
16653 (NUM_SPECIAL_MODE_PREDS): New.
16654 (find_operand): New.
16655 (validate_pattern): New argument `insn'. Warn for assignment to
16656 any predicate accepting non-lvalues. Conditionaly warn for
16657 match_operand without a mode. Try much harder to match source
16658 and destination modes on a set.
16659 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
16661 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
16663 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
16665 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
16667 * combine.c (simplify_logical): Recognize xor pattern that encodes
16670 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16672 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
16675 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
16677 * ggc-page.c (MAP_FAILED): Provide default.
16679 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
16681 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
16682 * sparc.h (PREDICATE_CODES): Update.
16684 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
16686 * alpha.c (some_ni_operand): New.
16687 * alpha-protos.h: Declare it.
16688 * alpha.h (PREDICATE_CODES): Update.
16689 * alpha.md (sXaddq reload insns): Use some_ni_operand
16690 for SET_DEST instead of some_operand.
16692 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
16693 Jim Wilson <wilson@cygnus.com>
16695 * genrecog.c (maybe_both_true_2): Don't compare modes of
16697 (process_tree): Elide peephole2_insns. Invoke simplify_tests
16698 after find_afterward.
16699 (debug_decision_1): Dump next and afterward codes.
16701 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
16703 * rtl.c (dump_and_abort): Remove.
16704 (fatal_with_file_and_line): New.
16705 (fatal_expected_char): New.
16706 (read_rtx_lineno, read_rtx_filename): New.
16707 (read_skip_spaces): Track line number.
16708 (read_name): Use fatal_with_file_and_line.
16709 (read_rtx): Use fatal_expected_char. Track line number.
16710 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
16712 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
16713 if it isn't a CODE_LABEL.
16715 * genattr.c (main): Set read_rtx_filename.
16716 * genattrtab.c (main): Likewise.
16717 * gencodes.c (main): Likewise.
16718 * genconfig.c (main): Likewise.
16719 * genemit.c (main): Likewise.
16720 * genextract.c (main): Likewise.
16721 * genflags.c (main): Likewise.
16722 * genopinit.c (main): Likewise.
16723 * genoutput.c (main): Likewise.
16724 * genpeep.c (main): Likewise.
16726 * genrecog.c (decision_test.u.insn): Add `lineno'.
16727 (pattern_lineno, error_count): New variables.
16728 (message_with_line): New.
16729 (add_to_sequence): Break out checking code to ...
16730 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
16731 (merge_insn): Use message_with_line.
16732 (make_insn_sequence): Use validate_pattern. Record insn lineno.
16733 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
16735 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16737 * expr.c (store_constructor): Clear union if constructor is empty.
16739 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
16741 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
16742 Add !endian checks. Change %{...} to %(...).
16744 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
16746 * i386.md (*addsi3_cc): Renamed from addcsi3.
16747 (*addsi3_carry): Renamed from addxsi3.
16748 (*subsi3_cc): Renamed from subcsi3.
16749 (*subsi3_carry): Renamed from subxsi3.
16750 (*xorqi_cc_1): Renamed from xorcqi_1.
16751 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
16752 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
16754 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
16756 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
16757 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
16759 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
16761 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
16762 climb up the chain of insns.
16764 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
16766 * genrecog.c (write_subroutine): Careful for null trees.
16767 (process_tree): Don't elide empty functions.
16769 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
16771 * Makefile.in (genrtl.o): Depend on ggc.h.
16772 * configure.in (valloc): Probe for it.
16773 (with-gc): Use ggc-page if valloc present.
16774 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
16775 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
16776 (ggc_alloc_string): Moved from ggc-page.c.
16777 * ggc-none.c (ggc_alloc_obj): New.
16778 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
16779 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
16780 (struct globals): Likewise for dev_zero_fd.
16781 (init_ggc): Likewise for it's initialization.
16782 (ggc_allocated_p): Move careful dereference from ...
16783 (ggc_lookup_page_table): ... here. Delete.
16784 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
16785 (alloc_anon): Use valloc if no mmap.
16786 (release_pages): Use free if using valloc.
16787 (ggc_alloc_obj): Renamed from alloc_obj.
16788 (ggc_set_mark): Renamed from mark_obj.
16789 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
16790 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
16791 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
16792 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
16793 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
16794 (ggc_collect): Use fp printing instead of our own rounding.
16795 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
16796 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
16797 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
16798 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
16799 (struct ggc_string, struct ggc_any): Delete.
16800 (offsetof): Provide default definition.
16801 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
16803 (struct ggc_mem): New, from corpse of ggc_any.
16804 (struct ggc_status): Delete.
16805 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
16806 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
16807 (n_strings_collected, n_anys_collected): Delete.
16808 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
16809 (ggc_alloc_string, ggc_alloc): Delete.
16810 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
16811 (ggc_free_string, ggc_free_any): Delete.
16812 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
16813 (ggc_compare_addresses, ggc_mark_string): Delete.
16814 (ggc_mark_string_if_gcable, ggc_mark): Delete.
16815 (search_data): Delete.
16816 (struct globals): New.
16817 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
16818 (tree_insert, tree_lookup): New.
16819 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
16820 (clear_marks, sweep_objs): New.
16821 (ggc_collect): Gut. Use clear_marks, sweep_objs.
16822 (init_ggc): Set allocated_last_gc.
16823 (ggc_push_context): Gut. Use G.context.
16824 (ggc_pop_context): Likewise.
16825 (ggc_pop_context_1): New.
16826 (debug_ggc_tree): New.
16827 (debug_ggc_balance, tally_leaves): New.
16828 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
16829 (ggc_mark_string_if_gcable): Remove decl.
16830 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
16831 (ggc_mark_rtvec_children): New.
16832 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
16833 (ggc_mark_if_gcable): New decl.
16834 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
16835 (ggc_alloc_tree, ggc_alloc): Likewise.
16836 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
16837 (ggc_alloc_obj): New decl.
16838 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
16839 (ggc_alloc_tree, ggc_alloc): Likewise.
16840 (ggc_set_mark): New decl.
16841 * rtl.h (struct rtx_def): Remove gc_mark.
16842 (struct rtvec_def): Likewise.
16843 * tree.h (struct tree_common): Likewise.
16845 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
16847 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
16848 float_format and thread_file definitions.
16849 * configure: Rebuilt.
16851 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
16853 * extend.texi (Function Names): Document types of function names.
16855 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16857 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16858 an earlyclobbered output conflict with RELOAD_INPUT reloads.
16860 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16862 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
16864 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16866 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
16868 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
16870 * collect2.c (main): Do prelimnary link on AIX if rflag.
16872 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16874 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
16875 __CTOR_LIST__ in opposite order, which is the correct order for sorted
16877 (__do_global_dtors): similarly for __DTOR_LIST__.
16879 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16880 Diego Novillo <dnovillo@cygnus.com>
16882 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
16885 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
16887 * fixincl/*: Merged "no_bogosity" branch
16888 * fixincl/fixlib.h: protect against doubly defining t_bool
16889 * fixincl/server.h: protect against doubly defining t_bool
16891 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
16893 * genoutput.c: Include toplev.h.
16895 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
16897 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
16899 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
16900 * configure: Regenerate.
16902 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
16904 * gcse.c (delete_null_pointer_checks): Returns void.
16906 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16908 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
16909 * emit-rtl.c (copy_insn_1): Likewise.
16911 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
16913 * config/mips/mips.c (mips_build_va_list): Correct
16914 TREE_CHAIN setting when hard-float.
16915 (mips_va_start): Use corrected setting.
16916 (mips_va_arg): Likewise. Also pass a tree to build of
16917 POSTINCREMENT_EXPR rather than a naked 'int'.
16919 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
16921 * ggc.h (ggc_push_context): Fix comment.
16922 (ggc_pop_context): Likewise.
16923 (mark_string_if_gcable): Likewise.
16924 * ggc-common.c (ggc_mark_rtx_children): Use
16925 ggc_mark_string_if_gcable.
16926 * ggc-page.c (ggc_lookup_page_table): New function.
16927 (ggc_allocated_p): Likewise.
16928 (mark_obj): Fix formatting.
16929 (ggc_mark_string_if_gcable): New function.
16930 * ggc-simple.c (ggc_allocated_strings): New variable.
16931 (ggc_strings_used): Likewise.
16932 (ggc_compare_addresses): New function.
16933 (ggc_pop_context): Pop the `any' memory too.
16934 (ggc_mark_string_if_gcable): New function.
16935 (ggc_collect): Initialize and tear down ggc_allocated_strings.
16937 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
16939 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
16940 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
16941 * rs6000.c (expand_block_move): Match movstrsi_?reg register
16944 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
16946 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
16947 (sched_reg_live_length, sched_reg_basic_block): Delete.
16948 (current_block_num, bb_live_regs, old_live_regs): Delete.
16949 (dead_notes, struct sometimes): Delete.
16950 (sched_note_set, birthing_insn_p): Delete.
16951 (adjust_priority): Gut useless reg lifetime code.
16952 (create_reg_dead_note, attach_deaths): Delete.
16953 (attach_deaths_insn, new_sometimes_live): Delete.
16954 (finish_sometimes_live): Delete.
16955 (find_pre_sched_live, find_post_sched_live): Delete.
16956 (update_reg_usage): Delete.
16957 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
16958 (schedule_insns): Delete reg lifetime code.
16959 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
16960 (unlink_other_notes): Adjust REG_NOTE commentary.
16961 (reemit_notes): Use REG_SAVE_NOTE.
16962 (schedule_block): Likewise.
16963 (schedule_region): Allocate bitmap of blocks in region. Use
16964 count_or_remove_death_notes. Use update_life_info.
16966 * rtl.h (REG_SAVE_NOTE): New.
16967 * rtl.c (reg_note_name): Update.
16969 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
16971 * combine.c (refresh_blocks, need_refresh): New.
16972 (combine_instructions): Allocate refresh_blocks. Invoke
16973 update_life_info if needed.
16974 (distribute_notes): Mark refresh_blocks instead of installing
16976 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
16977 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
16979 * Makefile.in (recog.o): Depend on basic-block.h.
16981 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
16983 * genrecog.c (add_to_sequence): Thinko last change: delete
16984 shadowing allow_const_int variable.
16986 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16988 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
16989 __GNUC__ and __GNUC_MINOR__.
16991 * gansidecl.h: Likewise.
16997 * toplev.h: Likewise.
16999 * tree.c: Likewise.
17001 * tree.h: Likewise.
17003 * varray.c: Likewise.
17005 * varray.h: Likewise.
17007 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17009 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17010 use one before a jump table.
17012 * rtl.def (ADDRESS): Change documentation to match reality.
17013 * md.texi: Don't document it.
17014 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17017 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17019 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17021 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17022 known predicate block; default allow_const_int true.
17023 (debug_decision_list): New.
17025 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17027 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17029 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17031 * gcse.c (gcse_main): Avoid global optimizations if we have a
17032 large number of basic blocks and the ratio of edges to blocks
17034 (delete_null_pointer_checks): Likewise.
17036 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17038 * c-common.c (check_format_info): Warn if format string isn't a
17041 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17043 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17044 * configure: regenerate
17046 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17048 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17049 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17050 (peepholes): Re-enable.
17052 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17054 * Makefile.in (flow.o): Depend on TREE_H.
17055 * basic-block.h (REG_SET_EQUAL_P): New.
17056 (XOR_REG_SET): New.
17057 (n_edges): Declare.
17058 (free_regset_vector): Remove declaration.
17059 (flow_delete_insn_chain): Declare.
17060 (enum update_life_extent): New.
17061 (update_life_info, count_or_remove_death_notes): Declare.
17062 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17063 Verify register live at bb->global_live_at_start before adding USE.
17064 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17065 (CLEAN_ALLOCA): New.
17067 (PROP_*): New flags.
17068 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17069 (clear_edges): Zero n_edges.
17070 (make_edge): Increment n_edges.
17071 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17072 (flow_delete_insn_chain): Export.
17073 (delete_block): Decrement n_edges.
17074 (merge_blocks_nomove): Likewise.
17075 (life_analysis): Give life_analysis_1 PROP flags.
17076 (verify_wide_reg_1, verify_wide_reg): New.
17077 (verify_local_live_at_start): New.
17078 (update_life_info): Rewrite to call into propogate_block.
17080 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17081 always mark stack pointer. Conditionally mark PIC register.
17082 After reload, mark call-saved registers, return regsiters.
17083 (life_analysis_1): Accept PROP flags not remove_dead_code.
17084 Call mark_regs_live_at_end before zeroing regs_ever_live.
17085 Use calculate_global_regs_live. Copy global_live_at_end before
17086 calling final propagate_block. Zero reg_next_use on exit.
17087 (calculate_global_regs_live): New.
17088 (allocate_bb_life_data): Don't allocate bb->local_set.
17089 (init_regset_vector, free_regset_vector): Remove.
17090 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17091 Test flags before every operation. Warn if prologue/epilogue insn
17092 would have been deleted.
17093 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17094 Use alloc_EXPR_LIST.
17095 (mark_used_regs): Accept and use FLAGS, not FINAL.
17096 Remove special handling for RETURN.
17097 (try_pre_increment): Use alloc_EXPR_LIST.
17098 (dump_flow_info): Dump n_edges.
17099 (unlink_insn_chain, split_hard_reg_notes): Remove.
17100 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17101 (find_insn_with_note, new_insn_dead_notes): Remove.
17102 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17103 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17104 (replace_insns): Remove.
17105 (count_or_remove_death_notes): New.
17106 (verify_flow_info): Abort on error after all checks.
17107 (remove_edge): Decrement n_edges.
17108 (remove_fake_edges): Tweak format.
17109 * haifa-sched.c (schedule_insns): Use split_all_insns.
17110 * output.h (update_life_info): Remove declaration.
17111 * recog.c (split_all_insns): From the corpse of split_block_insns,
17112 do the whole function block by block. Use update_life_info.
17113 (recog_last_allowed_insn): New.
17114 (recog_next_insn): Mind it.
17115 (peephole2_optimize): Set it. Walk backwards through blocks.
17116 Use update_life_info.
17117 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17118 (split_all_insns): Declare.
17119 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17120 Use split_all_insns.
17122 * i386.md (or -1 peep2s): Disable.
17124 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17126 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17127 a single pattern. Scrap the 'd' versions as unnecessary.
17129 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17130 tablejump_mips162,tablejump_internal4): The operands to a
17131 label_ref must be VOIDmode.
17133 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17135 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17137 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17139 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17141 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17143 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17144 cache every function if ggc_p.
17146 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17148 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17149 instead of copy_rtx. Accept sequences that contain asm statements.
17150 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17151 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17152 orig_asm_operands_vector, copy_asm_operands_vector,
17153 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17155 * rtl.h (copy_insn, copy_insn_1): Declare.
17157 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17159 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17161 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17162 arguments to `current_file_function_operand'.
17164 * genrecog.c: Include hard-reg-set.h and resource.h in the
17165 generated output file.
17167 * real.c: Include tm_p.h.
17169 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17171 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17174 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17176 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17177 before the fctiwz insn.
17179 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17180 Mark Mitchell <mark@codesourcery.com>
17182 * tree.c (make_lang_type_fn): New funtion pointer.
17183 (make_lang_type): Call it.
17184 * tree.h (make_lang_type): Declare.
17185 (make_lang_type_fn): Likewise.
17186 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17188 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17190 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17191 make sure that HIGH instructions are copied into BASE_REGS.
17193 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17195 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17197 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17199 * c-decl.c (finish_struct): Use simpler method of
17200 removing elements of a singly-linked list.
17202 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17204 * alpha.md (peephole2's): Comment out peephole2's that generate
17207 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17209 * genrecog.c (add_to_sequence): Disable mode check for
17212 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17214 * ggc-simple.c (init_ggc): Set empty_string.
17216 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17218 * configure.in: Detect mmap. Add --with-gc=foo to select
17219 garbage collector; default to page if mmap available.
17220 * Makefile.in (GGC): Substitute.
17222 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17224 * c-decl.c (ggc_p): Enable.
17226 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17228 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17230 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17232 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17233 string for little-endian-data.
17235 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17237 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17238 case somebody tries to compile --enable-checking code with gcc
17241 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17243 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17246 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17248 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17249 * jump.c (jump_optimize_1): Document why.
17251 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17253 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17254 pointers and casts for `int_handler' and `quit_handler'.
17256 * flow.c (verify_flow_info, split_hard_reg_notes,
17257 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17258 remove_edge, remove_fake_successors): Add static prototypes.
17259 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17260 (mark_set_1): Initialize variable `regno'.
17261 (unlink_insn_chain): Likewise for variable `curr'.
17262 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17264 * loop.c (strength_reduce): Initialize variable
17265 `unrolled_insn_copies'.
17266 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17267 prototypes. Change these functions to take const PTR parameters
17268 to avoid prototype conflict when used as the comparson argument
17270 (check_dbra_loop): Initialize variable `comparison_val'.
17272 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17273 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17274 (find_valid_class): Initialize variable `best_class'.
17275 (find_reloads): Call memcpy, not bcopy.
17277 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17278 (hard_reg_use_compare): Don't needlessly cast away const.
17279 (reload_reg_class_lower): Likewise.
17280 (choose_reload_regs): Initialize variable `regno'.
17282 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17284 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17286 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17288 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17289 ({,d}discard): Add forward declarations. Declare parameter as
17291 (main_without_main): Explicitly declare return type to be int.
17292 (memcpy): Properly declare.
17294 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17295 building the trampoline support, declare malloc, free, and
17297 (__clear_cache): Mark arguments as potentially unused.
17299 * frame.c (toplevel): If inhibit_libc is defined, declare
17302 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17304 * flow.c (make_edge): Accept an optional 2D bitmap in which
17305 to cache edge existence. Update all callers.
17306 (make_label_edge, make_eh_edge): Pass through the edge cache.
17307 (make_edges): Provide the cache.
17309 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17311 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17313 (local_mbtowc): Change the type of variable `i' from int to size_t.
17315 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17316 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17318 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17320 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17321 after other includes that define the appropriate types. Include
17322 tm_p.h for getting user prototypes.
17323 * ggc-callbacks.c (toplevel): Ditto.
17324 * ggc-none.c (toplevel): Ditto.
17325 * gcc-page.c (toplevel): Ditto.
17326 * ggc-simple.c (toplevel): Ditto.
17328 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17329 Jonathan Larmour <jlarmour@cygnus.co.uk>
17331 * config/mips/mips.c (mips_move_2words): Split doubles if
17332 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17334 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17336 * genrecog.c (struct decision_test): New.
17337 (struct decision): Remove test-related members, sort the rest by size.
17338 (IS_SPLIT): Simplify.
17339 (new_decision, new_decision_test): New.
17340 (add_to_sequence): Use them. No special handling for args of
17342 (maybe_both_true): Renamed from not_both_true; return sense changed.
17343 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17344 of maybe_both_true and adjusted for decision_test.
17345 (position_merit): Remove.
17346 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17347 (merge_accept_insn): New, broken out of merge_trees.
17348 (merge_trees): Use them. No special case for c_test; no node
17349 splitting; use test type instead of position_merit.
17350 (factor_tests): New.
17351 (simplify_tests): New.
17352 (break_out_subroutines): Don't write code now.
17353 (find_afterward): New.
17354 (write_afterward, write_switch, write_cond): New.
17355 (write_action, is_unconditional): New.
17356 (write_node): New. Use them.
17357 (write_tree_1): Rewrite. Use the new functions above.
17358 (write_tree): Remove afterward processing.
17359 (write_subroutine): Simplify function variant emission.
17360 (write_subroutines): New.
17361 (same_codes, clear_codes): Remove.
17362 (same_modes, clear_modes): Remove.
17363 (write_header): New, broken out of main.
17364 (make_insn_sequence): Use new_decision and new_decision_test.
17365 (process_tree): New, broken out of main.
17366 (main): Adjust for merge_trees interface change.
17367 Don't #define operands in the output file.
17368 (record_insn_name): New, broken out of make_insn_sequence.
17369 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17370 (debug_decision): New.
17372 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17374 * resource.c (find_free_register): Mark class_str argument const.
17375 * resource.h: Update prototype to match.
17377 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17378 * i386.md: Give all anonymous insns names.
17380 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17382 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17385 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17387 * toplev.c (dbr_sched_time): Unconditional.
17388 (peephole2_time): New.
17389 (compile_file): Add pass numbers to all of the dump file suffixes.
17390 Dump peephole2_time. Don't dump times for non-applicable passes.
17391 (rest_of_compilation): Add pass numbers to dump file suffixes.
17392 Conditionalize calls to the scheduler.
17393 * invoke.texi: Update.
17395 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17397 * flow.c (make_edges): Fix insn iteration.
17398 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17399 (find_basic_blocks_1): Fix spelling mistake.
17401 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17403 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17404 always have side-effects. Use memset not bzero.
17405 (make_node): Likewise.
17407 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17409 * stmt.c (expand_anon_union_decl): When any of the elements of the
17410 union is addressable, so is the entire union.
17412 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17414 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17416 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17417 * bitmap.c (bitmap_operation): Return true iff TO changed.
17418 (bitmap_equal_p): New.
17419 (bitmap_bit_p): Tidy arithmetic.
17420 (debug_bitmap_file): Likewise.
17422 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17424 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17425 before cse2 instead of after.
17427 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17429 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17432 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17434 * cppinit.c (is_idchar initializer): Loosen tests to accept
17437 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17439 * mips.md: Define conditional move patterns for floating point
17440 operands and DI mode conditions.
17442 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17444 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17445 always have side-effects.
17447 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17449 * mn10200.c (asm_file_start): Fix typo.
17451 * cppinit.c (is_idchar initializer): Tighten tests for when
17452 to put the table into initialized memory.
17454 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17455 not an array of rtunion.
17456 * gcc-page.c (ggc_alloc_rtvec): Similarly.
17457 * gcc-simple (ggc_free_rtvec): Similarly.
17459 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
17462 * mbchar.h: Add missing #endif.
17464 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
17465 (FPBIT, DPBIT): Define.
17467 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17469 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
17471 * profile.c (instrument_arcs, output_gcov_string,
17472 tablejump_entry_p): Add static prototypes.
17473 (output_gcov_string): Constify a char*.
17475 * regmove.c (replacement_quality, fixup_match_2): Add static
17478 * resource.h (reg_dead_p): Add extern prototype.
17480 * rtl.c (trim_filename): Add static prototype.
17482 * scan-decls.c (skip_to_closing_brace): Likewise.
17484 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
17485 (expand_end_case): Initialize variable `range'.
17486 (emit_case_nodes): Remove unused prototype `rtx_fn'.
17488 * varasm.c (asm_emit_uninitialised): Add static prototype.
17489 (asm_emit_uninitialised, assemble_variable): Mark parameter with
17492 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17494 * cpplib.c (if_directive_nameo): Add static prototype.
17496 * cse.c (cse_insn): Remove unused variable `p'.
17498 * except.c (create_rethrow_ref, push_entry,
17499 receive_exception_label, new_eh_region_entry, find_func_region,
17500 clear_function_eh_region, process_nestinfo): Add static prototypes.
17501 (get_reg_for_handler): Hide definition.
17502 (process_nestinfo): Initialize variable `extra_handlers'.
17504 * expr.h (expand_builtin_longjmp): Add extern prototype.
17506 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
17508 * function.c (prepare_function_start): Likewise.
17509 (pop_function_context_from): Mark parameter `context' with
17511 (push_temp_slots_for_block, flush_addressof): Hide definition.
17513 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
17514 solve_program_flow_graph, calculate_branch_probs,
17515 function_summary, main, fancy_abort): Add prototypes.
17517 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
17518 (add_hash): Constify a char*.
17520 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
17521 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
17522 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
17524 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
17526 * lists.c (free_list, zap_lists): Likewise.
17528 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17530 * alias.c (nonlocal_reference_p): Add static prototype.
17532 * bitmap.c (bitmap_element_allocate): Prototype args in function
17535 * builtins.c (stabilize_va_list): Add static prototype.
17536 (expand_builtin_va_arg): Constify a char*.
17538 * c-lex.c (getch, put_back, extend_token_buffer_to,
17539 read_line_number, token_getch, token_put_back): Add static
17542 * c-parse.gperf (hash, is_reserved_word): Likewise.
17544 * cccp.c (is_dir_separator): Likewise.
17546 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17548 * graph.h: New file to prototype functions exported by graph.c.
17550 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
17552 * graph.c: Include graph.h.
17554 * toplev.c: Likewise. Remove redundant prototypes.
17556 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
17558 * invoke.texi: Removed duplicated description for -Q.
17560 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
17562 * extend.texi: Grammar fix in __extension__ text.
17564 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
17566 * md.texi (define_peephole2): New section.
17568 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
17570 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
17571 (mov $-1 to or peepholer): Enable for pentium when optimizing for
17574 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
17576 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
17578 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
17580 * i386.md (ffs expander): Emit Pentium friendly code for
17583 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
17585 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
17587 (build1): Likewise.
17589 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17591 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
17593 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
17595 * config/m68k/m68k.c (use_return_insn): Return false if the pic
17596 register is in use.
17598 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17600 * md.texi (No Constraints): Delete section.
17601 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
17602 * final.c (final_scan_insn): We always have register constraints.
17603 * genattrtab.c: Don't include "insn-config.h".
17604 (write_attr_case): We always have register constraints.
17605 * genconfig.c (register_constraint_flag): Delete.
17606 (walk_insn_part): Don't check whether we have register constraints.
17607 (main): Don't write out "#define REGISTER_CONSTRAINTS".
17608 * genoutput.c (have_constraints): Delete.
17609 (main): Don't set it.
17610 (output_operand_data): We always have constraints.
17611 (scan_operands): Likewise.
17612 (compare_operands): Likewise.
17613 * local-alloc.c (block_alloc): We always have constraints.
17614 (requires_inout): Always compile this function.
17615 * recog.c (extract_insn): We always have constraints.
17616 (constrain_operands, reg_fits_class_p): Always compile these
17618 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
17620 (struct insn_operand_data): Likewise.
17621 * regclass.c (regclass): We always have constraints.
17622 (record_reg_classes, copy_cost, record_address_regs,
17623 auto_inc_dec_reg_p): Always compile these functions.
17624 * regmove.c (regmove_optimize): We always have constraints.
17625 * reload.c (find_reloads): Likewise.
17626 * reload1.c (reload): Likewise.
17627 (reload_cse_simplify_operands): Likewise.
17628 * i860.c (output_delay_insn): Likewise.
17630 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
17632 * iris6.h (BUILD_VA_LIST_TYPE): Define.
17634 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17636 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
17637 for the va_list record.
17639 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
17641 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
17644 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
17646 * alias.c: Include insn-flags.h.
17647 * Makefile.in (alias.o): Update.
17649 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
17651 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
17652 to LTU and GEU. Handle more cases using sbb.
17654 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
17656 * i386.md (truncatexfdf splitters): Do not use subreg.
17657 (fop XFmode patterns): Fix mode in operand testing.
17659 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
17661 * jump.c (jump_optimize_1): Amend last change to test only the
17662 form of the operand, not the insn.
17664 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
17665 not register_operand to determine when B may need preloading.
17667 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
17669 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
17670 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
17671 (call-value patterns): Move to end of file.
17672 (*): Remove mode from label_ref in (pc) context.
17673 (movstrqi): Use memory not general_operand for BLKmode operands.
17674 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
17675 to register_operand operands.
17676 (peep2 patterns): Convert from commented-out peephole patterns.
17678 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17680 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
17681 to BUILT_IN_INIT_DWARF_REG_SIZES.
17682 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
17683 Renamed from BUILT_IN_DWARF_REG_SIZE; call
17684 expand_builtin_init_dwarf_reg_sizes.
17685 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
17686 with __builtin_init_dwarf_reg_size_table.
17687 * dwarf2out.c (struct reg_size_range): Delete.
17688 (expand_builtin_init_dwarf_reg_sizes): New function.
17689 (expand_builtin_dwarf_reg_size): Delete.
17690 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
17691 (expand_builtin_dwarf_reg_size): Don't declare.
17692 * libgcc2.c (dwarf_reg_size_table_initialized): New.
17693 (dwarf_reg_size_table): New.
17694 (init_reg_size_table): New function.
17695 (copy_reg): Use dwarf_reg_size_table.
17696 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
17699 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
17701 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
17702 Correctly build argument list to constructor and destructor functions.
17704 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
17706 * c-tree.h (warn_float_equal): Declare.
17707 * c-decl.c (warn_float_equal): Define.
17708 (c_decode_option): Recognize -W[no-]float-equal.
17709 * c-typeck.c (build_binary_op): Conditionally warn
17710 about equality tests of floating point types.
17711 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
17712 * invoke.texi: Add docs for -Wfloat-equal warning.
17714 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
17716 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
17717 generating RTL directly.
17718 * mips.h (INIT_TARGET_OPTABS): Likewise.
17719 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
17721 * expr.h (init_mov_optab): Delete declaration
17723 * h8300.c (WORD_REG_USED): Update to avoid useless register
17724 saves in interrupt functions and functions which never return.
17726 * cse.c (struct set): Delete inner_dest_loc field.
17727 (cse_insn): Remove assignments to inner_dest_loc field.
17729 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
17731 * ggc-page.c: Don't include <unistd.h> etc taken care of
17732 by "system.h". Include <sys/mman.h> afterward.
17734 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
17736 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
17739 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
17741 * xcoffout.c (xcoffout_declare_function): Add documentation.
17742 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
17743 TARGET_64BIT. Compare constant to -1, not bit pattern.
17744 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
17745 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
17748 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
17750 * dwarf2out.c (add_abstract_origin_attribute): Abort if
17751 origin_die is NULL.
17752 (gen_inlined_enumeration_type_die): Do not abort if the type has
17753 not been writeen out.
17754 (gen_inlined_structure_type_die): Do not abort if the type has
17755 not been writeen out.
17756 (gen_inlined_union_type_die): Do not abort if the type has
17757 not been writeen out.
17758 (gen_tagged_type_instantiation_die): Do not abort if the type
17759 has not been written out.
17761 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17763 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
17765 * reg-stack.c (straighten_stack): Copy hard reg set with
17768 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
17770 * builtins.c (stabilize_va_list): Stabilize array type va_list
17771 to a pointer type, not the base record type.
17772 (expand_builtin_va_copy): Dereference the pointers explicitly;
17773 use the correct size for the copy.
17775 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
17776 (rs6000_va_arg): Likewise.
17778 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
17780 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
17782 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
17784 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
17786 (DECL_BUILT_IN_CLASS): Adjust accordingly.
17788 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
17790 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
17791 (init_ggc): Use it instead of a constant.
17792 (ggc_collect): Bound allocated_last_gc by it.
17794 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
17796 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
17799 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
17801 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
17802 (mips*-*-openbsd*): Let big endian configuration be a fragment.
17803 * configure: Regen.
17804 * config/mips/openbsd.h: New, OpenBSD little endian target.
17805 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
17806 * config/mips/xm-openbsd.h: New, OpenBSD host.
17808 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
17810 * config/m68k/m68k.c (output_function_prologue,
17811 output_function_epilogue): Use
17812 current_function_uses_pic_offset_table instead of regs_ever_live
17813 to decide whether to save/restore pic register.
17814 (legitimize_pic_address): Don't modify regs_ever_live any more.
17816 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
17818 * function.h (struct function): Add x_dont_save_pending_sizes_p.
17819 * stor-layout.c (variable_size): Don't add sizes to the pending
17820 sizes list if x_dont_save_pending_sizes_p is set.
17822 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
17824 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
17825 for symbolic_operand().
17826 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
17828 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17830 * combine.c (gen_rtx_combine): Add missing call to va_end().
17832 * final.c (asm_fprintf): Likewise.
17834 * genattrtab.c (attr_rtx): Likewise.
17836 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
17838 * cse.c: Update comments.
17839 (cse_insn): When converting a conditional/computed jump into
17840 an unconditional jump, always make sure a BARRIER immediately
17841 follows the converted jump. Do not delete unreachable code.
17842 (cse_basic_block): Do not delete unreachable code.
17843 * toplev.c (rest_of_compilation): Move call to
17844 delete_trivially_dead_insns after the conditional call to
17847 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17849 * collect2.c (make_temp_file): Don't prototype.
17851 * gcc.c (make_temp_file): Likewise.
17853 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
17855 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
17857 * varasm.c (asm_emit_uninitialised): New function: Generate
17858 the assembler statements necessary to declare an uninitialised
17860 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
17862 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
17863 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
17865 (assemble_variable): Use asm_emit_uninitialised to emit an
17866 uninitialised variable.
17868 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
17870 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
17871 constant on a 64 bit host. Patch supplied by Geoffrey Keating
17872 <geoffk@cygnus.com>.
17874 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17876 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
17877 * c-common.h (builtin_function): Don't declare.
17879 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
17881 (pushdecl): Likewise.
17882 (finish_decl): Likewise.
17883 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
17884 int. All callers changed.
17885 Set the builtin's DECL_BUILT_IN_CLASS.
17886 * tree.h (enum built_in_class): New.
17887 (enum built_in_function): Delete NOT_BUILT_IN.
17888 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
17890 (DECL_SET_FUNCTION_CODE): Likewise.
17891 (DECL_BUILT_IN_CLASS): New macro.
17892 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
17893 (struct tree_decl): Split builtin function code field into a
17895 (builtin_function): Declare.
17897 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
17899 * optabs.c (init_traps): Fix typo in last change.
17901 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
17903 * toplev.c (rest_of_decl_compilation): Update comment.
17905 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17907 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
17908 in .sbss if appropriate.
17909 (EXTRA_SECTION_FUNCTIONS): Add sbss.
17910 (SBSS_SECTION_ASM_OP): New macro.
17911 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
17912 (EXTRA_SECTIONS): Add in_sbss.
17913 * config/mips/mips.h: Prototype sbss_section.
17915 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
17917 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
17920 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
17922 * optabs.c (init_traps): Register trap_rtx as a GC root.
17924 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17926 * config/mips/mips.c (function_arg_pass_by_reference): Define
17927 unconditionally, since it's called unconditionally.
17929 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17931 * toplev.c (documented_lang_options): Add -fshort-wchar.
17932 * c-decl.c (c_decode_option): Likewise.
17933 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
17935 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
17936 * gcc.c (default_compilers): If -fshort-wchar,
17937 override __WCHAR_TYPE__.
17938 * tm.texi (C Dialect Options): Add -fshort-wchar.
17940 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
17941 symbol for a variable.
17943 * cpplib.h (CPP_PREPROCESSED): New macro.
17944 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
17945 we're seeing this input for a second time.
17947 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
17949 * emit-rtl.c (init_emit_once): Initialize modes first.
17951 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
17953 * config/i386/i386.c (pic_label_name): Change to char pointer.
17954 (global_offset_table): New variable.
17955 (load_pic_register): Fill global_offset_table if it hasn't
17956 already been done. Allocate pic_label_name dynamically.
17957 * ggc.h (empty_string): New variable.
17958 * ggc-simple.c (empty_string): Likewise.
17959 (init_ggc): Allocate empty_string and add as root.
17960 * stmt.c (digit_strings): New variable.
17961 (init_stmt): Add last_block_end_note as root. Allocate and
17962 initialize digit_strings.
17963 (expand_asm_operands): Use empty_string instead of string
17964 constant. Use digit_strings instead of string constants.
17965 * profile.c (init_arc_profiler): Allocate string with
17966 ggc_alloc_string instead of xmalloc.
17967 (output_func_start_profiler): Likewise.
17968 * c-typeck.c (digest_init): Check if init is error_mark_node.
17970 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
17971 Richard Henderson <rth@cygnus.com>
17973 * ggc-page.c: New file.
17974 * Makefile.in (ggc-page.o): New.
17976 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
17978 * invoke.texi: Document -fdelete-null-pointer-checks
17979 * toplev.c (flag_delete_null_pointer_checks): New.
17980 (f_options): Add entry for -fdelete-null-pointer-checks.
17981 (rest_of_compilation): Conditionalize null pointer check
17982 elimination on flag_delete_null_pointer_checks.
17983 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
17985 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
17987 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
17988 copyright notice and special exception to GPL.
17990 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17992 * abi64.h (mips_function_value): Add prototype arguments.
17994 * mips-protos.h: New file with mips prototypes.
17996 * mips.c: Include "tm_p.h".
17997 (mktemp, lookup_name): Add prototype arguments.
17998 (extern_list, string_constant, mips_fill_delay_slot,
17999 mips_output_external, mips_output_external_libcall,
18000 mips_output_filename, mips_declare_object, function_prologue,
18001 mips_expand_prologue, function_epilogue, mips16_constant,
18002 build_mips16_function_stub, mips_output_conditional_branch):
18004 (mips_va_start): Remove unused variable `u'.
18005 (mips_va_arg): Cast value to unsigned when comparing against one.
18007 (save_restore_insns, mips_expand_prologue): Add missing arg in
18008 call to `large_int'.
18010 * mips.h: Move prototypes to mips-protos.h.
18011 (data_section, memory_address_p, rdata_section,
18012 readonly_data_section, simple_epilogue_p, text_section): Delete
18013 prototypes delcared elsewhere.
18014 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18016 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18018 * mips.md: Delete extra args in call to `mips_move_2words'.
18020 * xm-iris6.h (alloca): Add prototype argument.
18022 * genpeep.c: Include "tm_p.h" in generated output file.
18024 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18026 * basic-block.h (find_edge_index): Change parameters.
18027 * flow.c (verify_edge_list): Pass basic_block parameters to
18028 find_edge_index instead of integers.
18030 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18032 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18035 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18037 * gcc.1: Fix a formatting error.
18039 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18041 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18042 i786, mn10200, mn10300, pdp11, v850.
18044 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18046 * libgcc2.c (num_digits): Add prototype with
18047 __attribute__((const)).
18048 (__terminate): Add prototype.
18050 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18052 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18054 * alpha/alpha.c (print_operand): Fix type of `code'.
18055 (alpha_output_filename): Constify.
18056 * alpha/alpha.h: Move all function declarations ...
18057 * alpha/alpha-protos.h: ... here. New file.
18058 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18059 (SECTION_FUNCTION_TEMPLATE): Likewise.
18061 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18063 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18064 * expr.c (expand_expr): Likewise.
18065 (do_jump): Likewise.
18066 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18067 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18069 (enum can_compare_purpose): New.
18070 (can_compare_p): Adjust prototype.
18071 (prepare_cmp_insn, prepare_operand): Declare.
18072 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18073 * optabs.c (cmp_available_p): Deleted.
18074 (expand_abs): Pass ccp_jump to can_compare_p.
18075 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18076 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18077 Call can_compare_p rather than cmp_available_p.
18078 (prepare_operand): No longer static.
18079 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18080 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18081 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18082 sequence to use emit_cmp_and_jump_insns.
18083 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18085 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18087 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18088 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18089 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18090 (plus (reg) (const_int 0))
18091 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18093 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18095 * rs6000.c (expand_block_move): DImode loads and stores require
18096 word-aligned displacements. Increment address registers with
18097 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18099 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18101 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18102 is no name for the base type, rather than segfault. If we are
18103 writing out a complex integer type, use DW_ATE_lo_user.
18105 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18106 in one word or less (complex char, complex short, or on 64 bit
18107 systems complex float) to/from a hard register, copy it through
18108 memory instead of dying in gen_{real,imag}part. If we have a
18109 short complex type, prevent inlining since it allocates stack
18112 * tree.c (build_complex_type): If we are writing dwarf2 output,
18113 generate a name for complex integer types.
18115 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18117 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18118 * flow.c (remove_edge): Remove extra whitespace.
18119 (remove_fake_edges): Fix comment.
18120 (add_noreturn_fake_exit_edges): Use the correct name.
18122 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18124 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18125 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18126 (clean): Depend on INTL_CLEAN.
18127 (maintainer-clean): Adjust.
18129 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18131 * configure.in (AC_PREREQ): Bump to 2.13.
18132 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18134 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18136 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18138 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18140 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18141 (HAVE_STRINGIZE): Define.
18143 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18145 * c-parse.in: save and restore warn_pointer_arith on __extension__
18146 along with pedantic.
18147 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18148 Set the type of extension to itype rather than $<itype>1 kludge.
18149 * extend.texi (Alternate Keywords): Adjust documentation.
18150 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18152 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18154 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18155 most assembler templates.
18157 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18158 FP loads and stores.
18159 (following_call): Always return zero for the PA8000.
18160 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18161 FP loads and stores.
18162 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18164 * pa.h (BRANCH_COST): Define.
18166 * pa.md (return, return_internal): Use bve for PA2.0.
18168 * pa.md (fused multiply): Add variants which reduce height for the
18169 fused multiply, but which still generate 2 insns.
18170 (fnegabs): Similarly.
18172 * pa.md (subsi3): Turn into an expander. Create two anonymous
18173 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18174 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18176 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18178 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18180 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18181 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18183 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18186 * flow.c (record_active_eh_regions): Terminate loop after finding
18187 the last insn in the last basic block.
18189 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18191 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18193 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18195 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18197 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18199 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18200 splitting to not use output template.
18202 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18204 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18205 * config/c4x/c4x.c (c4x_va_start): New function.
18207 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18209 * genrecog.c (not_both_true): Handle correctly cases when called for
18210 tests with different positions in the insn.
18212 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18214 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18216 * system.h (HOST_PTR_PRINTF): ... to here.
18218 * mips-tfile.c: Don't include machmode.h.
18220 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18221 (mips-tfile.o): Don't depend on machmode.h.
18223 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18225 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18226 avoid conflicts with typedef struct `region' at the top level scope.
18228 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18230 * basic-block.h (basic_block): Add eh_beg, eh_end.
18231 * flow.c (entry_exit_blocks): Update.
18232 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18233 Call new functions.
18234 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18235 lists.c functions to allocate insn lists.
18236 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18238 (make_eh_edge): ... here. New.
18239 (move_stray_eh_region_notes): New.
18240 (record_active_eh_regions): New.
18241 (delete_unreachable_blocks): Split out block merging ...
18242 (try_merge_blocks): ... here. New.
18243 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18244 Dump debugging data.
18245 (merge_blocks_move_successor_nojumps): Likewise.
18246 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18248 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18250 * extend.texi (Bound member functions): Document unbound pmf
18253 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18255 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18256 has the EXIT_BLOCK as a dest.
18258 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18260 * flow.c (remove_edge): New function to remove an edge from the
18262 (remove_fake_successors): New function to remove fake successor edges.
18263 (remove_fake_edges): New function to remove all fake edges from the
18265 (add_fake_exit_edges): New function to add fake edges from all blocks
18266 with no successors to the exit block.
18267 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18268 prototypes for new functions.
18270 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18272 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18273 Use Pmode to determine whether to output .dword or .word.
18275 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18277 * tree.c (built_in_filename): New variable.
18278 (BUILT_IN_FILENAME): New macro.
18279 (init_tree_codes): Allocate built_in_filename.
18280 (make_node): Use built_in_filename instead of string constant.
18282 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18284 * configure.in: Add fr30 target.
18285 * configure: Regenerate.
18286 * config/fr30: New directory.
18287 * config/fr30/crti.asm: New file.
18288 * config/fr30/fr30.c: New file.
18289 * config/fr30/crtn.asm: New file.
18290 * config/fr30/fr30.h: New file.
18291 * config/fr30/fr30.md: New file.
18292 * config/fr30/lib1funcs.asm: New file.
18293 * config/fr30/t-fr30: New file.
18294 * config/fr30/xm-fr30.h: New file.
18296 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18298 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18299 BARRIER at the end of the successor, not the BARRIER before
18302 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18304 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18306 * stmt.c (any_pending_cleanups): Don't crash when
18307 current_function->stmt is unset.
18309 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18311 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18312 other initializations that may use it for relative offsets.
18314 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18316 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18317 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18318 * config/i386/sol2dbg.h: Removed.
18319 * config/i386/sol2gas.h: New file, to enable gas work-around.
18320 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18321 Don't use sol2dbg.h.
18322 * configure: Rebuilt.
18324 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18326 * invoke.texi (-fthis-is-variable): Remove documentation.
18328 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18330 * basic-block.h (compute_bb_for_insn): Declare.
18331 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18332 to use; set size of basic_block_for_insn directly.
18333 (find_basic_blocks): Update.
18335 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18337 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18339 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18341 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18342 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18344 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18346 * c-decl.c (c_decode_option): Extend comment.
18348 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18350 * toplev.c (progname): Make 'const char *'
18351 (flag_print_mem): Move out of main.
18352 (version_flag): Move out of main.
18353 (filename): Move out of main.
18354 (debug_args): Remove g prefix from options.
18355 (documented_lang_options): Remove cpplib specific options.
18356 (display_help): Add g prefix to debug options.
18357 (check_lang_option): Delete this function.
18358 (decode_d_option): New function: Decode -d... option.
18359 (decode_f_option): New function: Decode -f... option.
18360 (decode_W_option): New function: Decode -W... option.
18361 (decode_g_option): New function: Decode -g... option.
18362 (independent_decode_option): New function: Decode a language
18363 independent command line option.
18364 (main): Invoke lang_decode_option and then
18365 independent_decode_option on each command line option in
18368 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18370 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18371 * fold-const.c (fold_range_test): Do not try to fold the range
18372 test if the rhs or lhs has side effects.
18374 * basic-block.h (compute_flow_dominators): Declare.
18376 * gcse.c (alloc_code_hoist_mem): New function.
18377 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18378 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18379 (hoist_code, one_code_hoisting_pass): Likewise.
18380 (gcse_main): If optimizing for size, then hoist expressions
18381 computed in multiple dominated basic blocks.
18383 * gcse.c (invalid_nonnull_info): New function.
18384 (delete_null_pointer_checks): Likewise.
18385 * rtl.h (delete_null_pointer_checks): Declare.
18386 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18388 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18389 (merge-blocks_move_successor_nojumps): Likewise.
18390 (merge_blocks): Allow merging of some blocks, even if it requires
18391 physical movement of the blocks, but not if it requires new jumps.
18393 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18394 Callers and prototype changed.
18395 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18397 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18399 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18400 -YP when both -p and -pg are present. From i386/sol2.h.
18402 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18404 * Makefile.in (distclean): Delete tm_p.h.
18405 * configure.in: Create a new file, "tm_p.h", from a list in
18406 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18407 "i386/i386-protos.h".
18409 * alias.c: Include "tm_p.h".
18410 * c-typeck.c: Likewise.
18411 * calls.c: Likewise.
18413 * emit-rtl.c: Likewise.
18414 * explow.c: Likewise.
18415 * expmed.c: Likewise.
18416 * expr.c: Likewise.
18417 * final.c: Likewise.
18418 * flow.c: Likewise.
18419 * fold-const.c: Likewise.
18420 * function.c: Likewise.
18421 * gcse.c: Likewise.
18422 * global.c: Likewise.
18423 * haifa-sched.c: Likewise.
18424 * integrate.c: Likewise.
18425 * jump.c: Likewise.
18426 * local-alloc.c: Likewise.
18427 * loop.c: Likewise.
18428 * optabs.c: Likewise.
18429 * recog.c: Likewise.
18430 * reg-stack.c: Likewise.
18431 * regclass.c: Likewise.
18432 * regmove.c: Likewise.
18433 * reload.c: Likewise.
18434 * reload1.c: Likewise.
18435 * reorg.c: Likewise.
18436 * resource.c: Likewise.
18437 * stmt.c: Likewise.
18438 * stor-layout.c: Likewise.
18439 * toplev.c: Likewise.
18440 * tree.c: Likewise.
18441 * unroll.c: Likewise.
18442 * genattrtab.c (main): Make generated file include "tm_p.h".
18443 * genemit.c (main): Likewise.
18444 * genoutput.c (main): Likewise.
18445 * genrecog.c (main): Likewise.
18447 * i386.h: Delete all prototypes.
18448 * i386.c: Include "tm_p.h".
18449 (ix86_attr_length_default): Call constant_call_address_operand
18450 with correct number of arguments.
18451 * i386-protos.h: New file.
18452 * i386.md (unnamed patterns): Call constant_call_address_operand
18453 with correct number of arguments.
18454 (exception_receiver): Call load_pic_register with correct number
18457 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
18459 * c-pragma.c (mark_align_stack): Dereference the void* properly.
18461 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
18463 * rtl.h (insns_safe_to_move_p): New function.
18464 * loop.c (find_and_verify_loops): Use it.
18465 * rtlanal.c (insns_safe_to_move_p): Define it.
18467 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
18469 * c-pragma.c: Include ggc.h.
18470 * Makefile.in (c-pragma.o): Update.
18472 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18474 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
18475 (LIB_SPEC): Likewise.
18476 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
18477 Reindent -YP/-p/-pg.
18478 Copied from config/sparc/sol2.h.
18480 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
18482 * c-pragma.c (mark_align_stack): New.
18483 (init_pragma): New.
18484 * c-pragma.h (init_pragma): Declare it.
18485 * c-lex.c (init_parse): Call it.
18487 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18489 * configure.in: Pick up thread library on Solaris/x86 just
18490 like on Solaris/sparc.
18491 * configure: Rebuilt.
18493 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
18495 * rtl.h (global_rtx_index): New enum.
18496 (global_rtl): Change to array of rtx.
18497 (pc_rtx, cc0_rtx): Redefine accordingly.
18498 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
18499 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
18500 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
18501 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
18502 (const_int_rtx): Change to array of rtx.
18503 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
18505 * emit-rtl.c (global_rtl): Change to array of rtx.
18506 (const_int_rtx): Change to aray of rtx.
18507 (gen_rtx_CONST_INT): Redefine accordingly.
18508 (init_emit_once): Allocate and initialize global_rtl. Likewise
18509 for const_int_rtx. Add both as GC roots.
18510 * genattrtab.c (global_rtl): Update declaration.
18512 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
18514 * Makefile (USER_H): Add iso646.h back.
18516 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
18518 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
18519 zapping the LOG_LINKS of sched_before_next_call.
18521 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
18522 * pa.c (insn_refs_are_delayed): Renamed from
18523 insn_sets_and_refs_are_delayed.
18525 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
18527 * functiion.h (struct function): Add x_whole_function_mode_p.
18528 (retrofit_block): Declare.
18529 * function.c (retrofit_block): New function.
18530 (identify_blocks): Add assertions. Allow an incomplete set of
18531 block notes if we're still generating code for the function.
18532 * integrate.c: Include loop.h.
18533 (expand_inline_function): Call find_loop_tree_blocks to map block
18534 notes to blocks when in whole-function mode. Use retrofit_block
18535 to insert new BLOCKs for the inlined function, rather than
18537 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
18538 * Makefile.in (integrate.o): Depend on loop.h.
18540 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
18542 * tree.h (warn_about_unused_variables): Declare.
18543 * stmt.c (warn_about_unused_variables): New function, split out
18545 (expand_end_bindings): Here.
18547 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
18549 * stmt.c (preserve_subexpressions_p): Don't crash when
18550 current_function->stmt is unset.
18552 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
18554 * stmt.c (expand_start_bindings): Allow callers to pass a flag
18555 indicating that no NOTE_INSN_BLOCK_BEG note is required.
18556 (expand_start_target_temps): Use it.
18557 * except.c (expand_eh_region_start_for_decl): Likewise.
18558 * expr.c (expand_expr): Likewise.
18560 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
18562 * fold-const.c (operand_equal_p): Pay attention to side effects.
18564 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
18566 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
18567 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
18569 * tlink.c (scan_linker_output): Look for keywords before accepting
18570 a mangled name in quotes.
18572 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
18574 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
18575 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
18577 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
18579 * alpha.md: Revert Thu Nov 26 change that came in through the
18580 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
18581 Avoid earlyclobber when possible.
18583 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18585 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
18587 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
18588 Define HAVE_ON_EXIT.
18590 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18592 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
18593 CTYPE_CONV in all ctype macros.
18595 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
18598 * cexp.y (initialize_random_junk): Likewise.
18600 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
18602 * i370.c (handle_pragma): Likewise.
18604 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
18606 * v850.c (override_options): Likewise.
18608 * doprint.c (_doprnt): Likewise.
18610 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
18613 * fixinc/server.c (load_data): Likewise.
18615 * fold-const.c (real_hex_to_f): Likewise.
18617 * genattr.c (write_upcase, gen_attr): Likewise.
18619 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
18620 write_upcase): Likewise.
18622 * genemit.c (print_code): Likewise.
18624 * genopinit.c (gen_insn): Likewise.
18626 * genpeep.c (print_code): Likewise.
18628 * genrecog.c (print_code): Likewise.
18630 * optabs.c (init_libfuncs): Likewise.
18632 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
18634 * haifa-sched.c (sched_analyze): Keep the list of notes organized
18636 (reemit_notes): Likewise.
18638 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
18640 * ggc.h (ggc_root): Move to ggc-common.c.
18642 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
18643 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
18644 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
18645 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
18646 * ggc-common.c (ggc_root): Move from ggc.h.
18647 (roots): Declare, static.
18648 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
18649 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
18650 null or check/set mark bit.
18651 (ggc_mark_roots): New.
18652 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
18654 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
18656 * m32r.c: Include toplev.h.
18657 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
18658 (gen_compare): Rename swap_p to must_swap to match uses.
18659 Add default abort case.
18660 (m32r_output_function_epilogue): Remove unused variables.
18661 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
18662 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
18663 define to empty parameter list. Update all uses.
18664 (predicate decls): Use enum machine_mode not int.
18665 * m32r.md (movsi): Call abort, not fatal_insn.
18666 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
18668 1999-09-14 Andrew Haley <aph@cygnus.com>
18670 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
18671 use $0 instead of 0.
18673 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18675 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
18676 computation out of loop over hard regs.
18678 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
18680 * function.c (identify_blocks): Don't shadow a variable in an
18682 * integrate.c (integrate_decl_tree): Don't use pushlevel,
18683 pushdecl, or poplevel to build up the new BLOCK tree.
18684 (expand_inline_function): Likewise.
18685 (integrate_parm_decls): Likewise.
18687 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
18689 * c-typeck.c (qualify_type): Merge qualifiers from both types.
18691 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
18693 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
18694 * invoke.texi: Document this change.
18696 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
18698 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
18700 (mark_emit_status): Renamed from mark_emit_state.
18701 * except.c (mark_eh_status): Renamed from mark_eh_state.
18702 Check not null before marking.
18703 (free_eh_status): New.
18704 * expr.c (mark_expr_status, free_expr_status): New.
18705 * function.c (free_machine_status): New.
18706 (free_after_parsing): New.
18707 (free_after_compilation): Move bits to free_after_parsing; call
18708 free_eh_status, free_expr_status; zero the marked members of the
18710 (prepare_function_start): No can_garbage_collect.
18711 Call init_eh_for_function.
18712 (expand_dummy_function_end): Free up current_function state.
18713 (mark_function_status): Renamed from mark_function_state.
18714 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
18715 * function.h (struct function): No can_garbage_collect.
18716 (free_machine_status, free_after_parsing): Declare.
18717 (free_eh_status, free_expr_status): Declare.
18718 * ggc.h (mark_expr_status): Declare.
18719 * stmt.c (free_stmt_status): Free the struct.
18720 (mark_stmt_status): Renamed from mark_stmt_state.
18721 (init_stmt): Don't call init_eh.
18722 (init_stmt_for_function): Don't call init_eh_for_function.
18723 * toplev.c (compile_file): Call init_eh.
18724 (rest_of_compilation): Free basic block info before ggc_collect.
18725 Call free_after_parsing; conditionally call free_after_compilation.
18726 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
18727 Check not null before marking.
18728 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
18730 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
18732 * c-lex.c (yylex): Initialize warn.
18734 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
18736 * pa.c (emit_move_sequence): Properly set the mode of the scratch
18737 register when performing secondary reloads for the SAR register.
18739 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
18741 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
18742 (NOTE_BLOCK): New macro.
18743 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
18744 * function.h (identify_blocks): Change prototype.
18745 * function.c (identify_blocks): Simplify.
18746 (reorder_blocks): Likewise.
18747 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
18748 NOTE_INSN_BLOCK_{BEG,END}.
18749 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
18750 the list of saved notes if the note isn't a
18751 NOTE_INSN_BLOCK_{BEG,END}.
18752 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
18754 (reemit_notes): Adjust recreation of notes to reflect new saved
18756 * print-rtl.c (print_rtx): Print the address of the BLOCK when
18757 printing a block note.
18758 * stmt.c (block_vector): Remove.
18759 (find_loop_tree_blocks): Simplify.
18760 (unroll_block_trees): Likewise.
18761 * tree.h (reorder_block): Change prototype.
18763 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
18765 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
18766 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
18767 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
18768 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
18769 (atexit, exit): Simplify.
18770 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
18771 * config/lots: Remove defns of HAVE_ATEXIT.
18773 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
18775 * calls.c (precompute_arguments): Fix typo in comment.
18776 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
18779 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
18781 * dsp16xx.c (override_options): Fix typos in GC root registration.
18783 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
18785 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
18786 from config/svr4.h.
18787 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
18788 (FUNCTION_PROFILER): Redefine appropriately for Linux.
18789 (CC1_SPEC): Likewise.
18791 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18793 * genattr.c (main): Add extern prototype. Call return, not exit.
18794 * genattrtab.c (main): Likewise.
18795 * gencheck.c (main): Likewise.
18796 * gencodes.c (main): Likewise.
18797 * genconfig.c (main): Likewise.
18798 * genemit.c (main): Likewise.
18799 * genextract.c (main): Likewise.
18800 * genflags.c (main): Likewise.
18801 * gengenrtl.c (main): Likewise.
18802 * genopinit.c (main): Likewise.
18803 * genoutput.c (main): Likewise.
18804 * genpeep.c (main): Likewise.
18805 * genrecog.c (main): Likewise.
18807 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
18808 * genattrtab.c (get_insn_name): Likewise.
18809 * gencodes.c (get_insn_name): Likewise.
18810 * genconfig.c (get_insn_name): Likewise.
18811 * genemit.c (get_insn_name): Likewise.
18812 * genextract.c (get_insn_name): Likewise.
18813 * genflags.c (get_insn_name): Likewise.
18814 * genopinit.c (get_insn_name): Likewise.
18815 * genpeep.c (get_insn_name): Likewise.
18817 * gencheck.c (usage): Add static prototype.
18818 * genextract.c (print_path): Constify a char*.
18819 * genopinit.c (optabs): Likewise.
18820 * genoutput.c (operand_data, data, output_predicate_decls,
18821 compare_operands): Likewise.
18822 * genrecog.c (write_tree): Add default case in switch.
18824 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18826 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
18828 * print-rtl.c (get_insn_name): Remove prototype.
18830 * toplev.h (progname): Declare const.
18832 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
18833 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
18834 dump_sched_info, dump_local_alloc, regset_release_memory,
18835 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
18836 error_with_file_and_line, error_with_decl, error_for_asm, error,
18837 fatal, warning_with_file_and_line, warning_with_decl, warning,
18838 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
18839 Remove redundant prototypes.
18841 (notice, check_lang_option, report_file_and_line, vnotice,
18842 mark_file_stack): Add static prototype.
18843 (set_fatal_function): Add prototype.
18844 (vnotice, report_file_and_line, set_fatal_function,
18845 check_lang_option): Constify a char*.
18846 (main): Prototype. Call return, not exit.
18848 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18850 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
18852 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
18854 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
18856 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
18858 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18860 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
18861 behave as if it's zero in all cases.
18862 (expand_function_start): Adjust call to assign_parms.
18863 * tree.h (assign_parms): Adjust prototype.
18864 * objc/objc-act.c (hack_method_prototype): Adjust call to
18867 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
18869 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
18870 arg_pointer_rtx fixed if the argument pointer register is
18872 (NONZERO_BASE_PLUS_P): Likewise.
18874 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
18876 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
18877 match_insn2 to match_insn.
18878 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
18880 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
18882 * Makefile.in (USER_H): Remove va-foo.h.
18884 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
18885 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
18886 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
18887 va-spur.h,va-v850.h}: Remove.
18889 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
18891 * sparc/sparc.md (eligible_for_return_delay): New attribute.
18892 (in_return_delay): Use it instead of match_insn.
18894 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18896 * config/alpha/va_list.h (va-alpha.h): Do not include.
18897 (__gnuc_va_list): Typedef as in varargs.h.
18899 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
18901 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
18902 DECL_LIVE_RANGE_RTL.
18904 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
18906 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
18907 not NOTE_BLOCK_NUMBER.
18908 (expand_eh_region_end): Likewise.
18909 (find_exception_handler_labels): Likewise.
18910 (scan_region): Likewise.
18911 (exception_optimize): Likewise.
18912 (update_rethrow_references): Likewise.
18913 (set_insn_eh_region): Likewise.
18914 * final.c (final_scan_insn): Likewise.
18915 * flow.c (make_edges): Likewise.
18916 * integrate.c (expand_inline_function): Likewise.
18917 * print-rtl.c (print_rtx): Likewise.
18919 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
18921 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
18922 terms of builtin functions and types.
18924 * mips.c (mips_build_va_list): New.
18925 (mips_va_start, mips_va_arg): New.
18926 * mips.h (BUILD_VA_LIST_TYPE): New.
18927 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
18929 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
18930 (sh_build_va_list, sh_va_start, sh_va_arg): New.
18931 * sh.h (BUILD_VA_LIST_TYPE): New.
18932 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
18934 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
18936 * recog.h (struct recog_data): Make dup_num, operand_address_p,
18937 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
18938 (struct insn_data): Likewise with n_operands, n_dups,
18939 n_alternatives, output_format.
18940 * regclass.c (scan_one_insn): Cast n_operands to int before
18941 arithmetic inside comparison.
18943 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
18945 * toplev.c (compile_function): Unconditionally emit nop.
18947 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18949 * haifa-sched.c (actual_hazard): Move declaration of variable
18950 `this_cost' into the scope where it is used.
18952 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18954 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
18955 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
18956 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
18958 * genrecog.c (make_insn_sequence): Call memset, not bzero.
18960 * jump.c (find_insert_position): Don't declare or define unless
18961 !HAVE_conditional_arithmetic.
18962 (returnjump_p_1, delete_prior_computation): Add static prototypes.
18964 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
18966 * recog.c (offsettable_address_p): Prototype function pointer.
18967 (preprocess_constraints): Call memset, not bzero.
18969 * tree.c (tree_node_kind_names): Constify a char*. Make static.
18970 (gcc_obstack_init): Don't declare.
18971 (fix_sizetype): Add static prototype.
18972 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
18973 (tree_cons): Call memset, not bzero.
18975 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
18976 definition in macro ASM_WEAKEN_LABEL.
18977 (mark_const_hash_entry): Add static prototype.
18979 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18981 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
18983 * unroll.c (find_common_reg_term, subtract_reg_term,
18984 loop_find_equiv_value): Add static prototypes.
18985 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
18986 (copy_loop_body): Remove unreachable break statement.
18988 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
18990 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
18992 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18994 Undo some changes from the gcc2 merge:
18995 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
18996 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19000 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19001 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19002 initialized float-int union if the value is a NaN.
19004 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19006 * gthr-win32.h: New file.
19008 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19009 shared as a valid attribute.
19010 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19011 * extend.texi: Document `shared' variable attribute.
19013 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19015 * configure.in: Handle --enable-threads on FreeBSD.
19016 * configure: Rebuit.
19018 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19020 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19022 * configure: Rebuilt.
19024 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19025 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19026 Rosimildo DaSilva <rdasilva@connecttel.com>
19028 * configure.in (m68k-*-rtemscoff*): Added.
19029 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19030 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19031 sparc-rtems configuration.
19032 * configure.in (sparc-*-rtemself*): Added.
19033 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19034 * config/i386/rtems.h: Added comment.
19035 * config/sparc/rtemself.h: New file.
19037 * configure.in (m68k-rtemself): Added.
19038 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19039 and DWARF_DEBUGGING_INFO.
19040 * config/m68k/crti.s: New file.
19041 * config/m68k/crtn.s: New file.
19042 * config/m68k/t-crtstuff: New file.
19043 * config/m68k/rtemself.h: New file.
19045 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19046 global ctor/dtor and C++ exception handling.
19047 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19048 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19050 * config/i386/t-rtems-i386: New File.
19052 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19054 * stmt.c (expand_end_case): Return right away if the case stack is
19057 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19059 * Makefile.in (version.c): Remove rule incorrectly brought in from
19062 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19064 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19065 * msdos/top.sed: Take into account a prepended $(SHELL) to
19067 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19069 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19071 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19073 * regmove.c (fixup_match_1): Don't change an unchanging register.
19074 (stable_but_for_p): Renamed to:
19075 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19076 Changed all callers.
19078 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19080 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19081 insn from BL2 is after the insn from BL.
19083 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19085 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19086 (struct insn_data): Merge `template' and `outfun' into `output'.
19087 Add `output_format'.
19088 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19089 (struct data): Remove `outfun'; add `output_format'.
19090 (name_for_index): Remove declaration.
19091 (output_insn_data): Handle output formats.
19092 (process_template): Emit the bare array for @.
19093 (gen_expand, gen_split): Set output_format to NONE.
19094 * output.h (get_insn_template): Declare.
19095 * final.c (get_insn_template): New.
19096 (final_scan_insn): Use it.
19097 * toplev.c (compile_file): Likewise.
19099 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19100 * i860/i860.c (output_delayed_branch): Likewise.
19101 (output_delay_insn): Likewise.
19103 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19105 * rtl.c (obstack_alloc_rtx): Removed.
19107 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19109 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19111 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19113 * i386.c (call_insn_operand): Reject const_int.
19114 (expander_call_insn_operand): Use call_insn_operand.
19116 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19118 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19120 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19122 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19123 Use DImode operation.
19125 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19127 * gcc.c: Include sys/resource.h.
19128 (report_times): New flag.
19129 (execute): If report_times is set, calculate and report the
19130 CPU time consumed by each subprocess.
19132 (rus, prus): New globals.
19133 (option_map): Add --time.
19134 (display_help): Document -time.
19135 (process_command): Set report_times if -time is given.
19136 Turn off -pipe if -time is given.
19138 * invoke.texi: Document new option -time.
19140 * configure.in: Check for getrusage. Check if we have to
19141 prototype getrusage.
19142 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19143 * configure: Regenerate.
19144 * config.in: Regenerate.
19146 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19148 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19151 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19153 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19154 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19155 (nan): Return _thenan_sf or _thenan_df as appropriate.
19156 (L_thenan_sf): Define _thenan_sf.
19157 (L_thenan_df): Define _thenan_df.
19159 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19160 (DPBIT_FUNCS): Add _thenan_df.
19162 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19164 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19167 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19169 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19172 (lang_specific_driver): Don't take a function pointer parameter.
19173 All callers changed.
19175 * gcc.c: Include gcc.h.
19176 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19177 lang_specific_extra_outfiles, fatal): Don't declare.
19178 (multilib_defaults_raw): Constify.
19179 (read_specs): Call memset, rather than bzero.
19180 (main): Call return, not exit.
19181 (lookup_compiler): Call memcpy, not bcopy.
19182 (fatal): Make extern.
19184 * cppspec.c: Include gcc.h.
19185 (lang_specific_driver): Initialize variable `quote'. Constify a
19186 char*. All calls to the function pointer parameter now
19187 explicitly call `fatal'.
19189 * gccspec.c (lang_specific_driver): Include gcc.h.
19191 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19193 * arm.c (note_invalid_constants): Use recog_data.operand_type
19196 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19198 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19201 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19202 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19203 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19204 reload_secondary_in_reload, reload_secondary_out_reload,
19205 reload_secondary_in_icode, reload_secondary_out_icode,
19206 reload_reg_rtx, reload_when_needed): Delete declarations.
19207 (struct reload): New structure.
19208 (rld): Declare new array.
19209 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19210 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19211 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19212 reload_secondary_in_reload, reload_secondary_out_reload,
19213 reload_secondary_in_icode, reload_secondary_out_icode,
19214 reload_reg_rtx, reload_when_needed): Delete definitions.
19216 (whole file): Replace uses of the deleted arrays with uses of rld.
19217 * reload1.c (whole file): Replace uses of the deleted arrays with
19219 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19220 explicit loops, not with bcopy.
19222 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19224 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19225 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19226 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19227 insn_name): Delete and consolidate into new structures.
19228 (insn_operand_predicate_fn): New.
19229 (insn_output_fn): New.
19230 (insn_gen_fn): New.
19231 (struct insn_operand_data): New.
19232 (struct insn_data): New.
19234 (OUT_FCN): Update for insn_data change.
19235 * builtins.c (expand_builtin_strlen): Likewise.
19236 (expand_builtin_memcmp): Likewise.
19237 * combine.c (make_extraction, simplify_comparison): Likewise.
19238 * cse.c (canon_reg, cse_insn): Likewise.
19239 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19240 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19241 (emit_store_flag): Likewise.
19242 * expr.c (convert_move, emit_block_move): Likewise.
19243 (clear_storage, emit_push_insn, expand_increment): Likewise.
19244 (do_store_flag): Likewise.
19245 * expr.h (GEN_FCN): Likewise.
19246 (insn_gen_function): Die.
19247 * final.c (final_scan_insn): Update for insn_data change.
19248 (output_asm_name): Likewise.
19249 * function.c (fixup_var_refs_1): Likewise.
19250 * loop.c (check_dbra_loop): Likewise.
19251 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19252 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19253 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19254 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19255 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19256 * regmove.c (gen_add3_insn): Likewise.
19257 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19258 (find_reloads, find_reloads_address_1): Likewise.
19259 (debug_reload_to_stream): Likewise.
19260 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19261 * stmt.c (expand_end_case): Likewise.
19262 * toplev.c (compile_file): Likewise.
19264 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19265 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19267 * print-rtl.c (insn_name_ptr): Remove declaration.
19268 (get_insn_name): Declare.
19269 (print_rtx): Use it.
19270 * genoutput.c (insn_name_ptr): Remove.
19271 (next_operand_number): New.
19272 (struct operand_data): New.
19273 (null_operand, odata, odata_end): New.
19274 (struct data): Use struct operand_data.
19275 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19276 (get_insn_name): Renamed from name_for_index.
19277 (output_prologue): Define NO_MD_PROTOTYPES.
19278 (output_predicate_decls): Break out from output_epilogue.
19279 Iterate over the operands list.
19280 (output_operand_data): Break out from output_epilogue. Emit
19281 just the operands list.
19282 (output_insn_data): Break out from output_epilogue. Emit just
19284 (output_epilogue): Remove.
19285 (output_get_insn_name): New.
19286 (constraints, op_n_alternatives, predicates, address_p): Die.
19287 (modes, strict_low, seen): Die.
19288 (scan_operands): Take new param `d' instead of writing to
19289 seven global variables.
19290 (compare_operands): New.
19291 (place_operands): New.
19292 (validate_insn_alternatives): Update for struct data change.
19293 (gen_insn): Don't zero or copy 7 global arrays. Update for
19294 scan_operands; call place_operands.
19295 (gen_peephole, gen_expand, gen_split): Likewise.
19296 (main): Update for new output routines.
19298 * genattr.c (insn_name_ptr): Remove.
19299 (get_insn_name): New function.
19300 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19301 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19302 * genrecog.c: Likewise.
19304 * alpha.md (adddi3): Make `pattern' array static.
19306 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19308 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19309 c4x_cpu_version_string): Constify char *.
19310 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19311 c4x_cpu_version_string): Likewise.
19313 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19315 * tree.c (save_tree_status): Revert 10 Sep change.
19316 (restore_tree_status): Likewise. Call obstack_free with NULL
19317 before freeing the obstack proper.
19319 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19321 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19323 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19324 surrounding context.
19326 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19328 * tree.c (type_hash_canon): Put all types in the hash-table, when
19331 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19333 * recog.h (struct recog_data, recog_data): New.
19334 (recog_foo variables): Kill.
19335 * recog.c (recog_operand, recog_operand_loc): Kill.
19336 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19337 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19338 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19339 (recog_data): Define.
19340 (extract_insn): Update all recog_foo references to use recog_data.
19341 (preprocess_constraints, constrain_operands): Likewise.
19342 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19343 * genattrtab.c (main): Likewise.
19344 * genextract.c (main): Likewise.
19345 * genoutput.c: Likewise.
19346 * genrecog.c (write_subroutine, main): Likewise.
19347 * local-alloc.c (block_alloc): Likewise.
19348 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19349 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19350 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19351 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19352 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19353 (reload_cse_simplify_operands): Likewise.
19355 * arc/arc.c (arc_final_prescan_insn): Likewise.
19356 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19357 * h8300/h8300.c (notice_update_cc): Likewise.
19358 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19359 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19360 * mn10200/mn10200.c (notice_update_cc): Likewise.
19361 * mn10300/mn10300.c (notice_update_cc): Likewise.
19362 * romp/romp.c (update_cc): Likewise.
19363 * sparc/sparc.c (check_pic): Likewise.
19364 * v850/v850.c (notice_update_cc): Likewise.
19366 * genemit.c (main): Don't declare recog_operand.
19368 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19370 * ggc.h (rtvec_def): Forward declare.
19371 (tree_node): Likewise.
19372 (ggc_root): Define.
19374 (ggc_set_mark_rtx): Add prototype.
19375 (ggc_set_mark_rtvec): Likewise.
19376 (ggc_set_mark_tree): Likewise.
19377 * ggc-simple.c (ggc_root): Don't define.
19378 (roots): Don't declare.
19379 (ggc_mark_rtx): Remove.
19380 (ggc_mark_rtvec): Likewise.
19381 (ggc_mark_tree): Likewise.
19382 (ggc_mark_varray): Likewise.
19383 (ggc_mark_tree_hash_table_entry): Likewise.
19384 (ggc_mark_tree_hash_table): Likewise.
19385 (ggc_set_mart_rtx): New function.
19386 (ggc_set_mark_rtvec): Likewise.
19387 (ggc_set_mark_tree): Likewise.
19388 (ggc_add_root): Remove.
19389 (ggc_add_rtx_root): Likewise.
19390 (ggc_remove_tree_root): Likewise.
19391 (ggc_add_string_root): Likewise.
19392 (ggc_add_tree_varray_root): Likewise.
19393 (ggc_add_tree_hash_table_root): Likewise.
19394 (ggc_del_root): Likewise.
19395 (ggc_mark_rtx_ptr): Likewise.
19396 (ggc_mark_tree_ptr): Likewise.
19397 (ggc_mark_string_ptr): Likewise.
19398 (ggc_mark_tree_varray_ptr): Likewise.
19399 (ggc_mark_tree_hash_table_ptr): Likewise.
19400 * ggc-common.c: New file.
19401 * Makefile.in (OBJS): Add ggc-common.o.
19402 (ggc-common.o): List dependencies.
19404 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19406 * cppalloc.c (xstrdup): Use memcpy.
19407 * cpperror.c (cpp_print_containing_files): Don't use
19409 * cpplib.c (conditional_skip): Set temp->lineno.
19410 (do_endif): Make error message less obscure.
19411 (if_directive_name): New function.
19412 (cpp_get_token [case EOF]): Unwind the if stack and generate
19413 error messages for each unterminated conditional in this file.
19414 (parse_string): Do not behave differently if -traditional.
19416 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19418 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19419 va_list decomposing to pointer-type.
19420 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19421 (rs6000_va_arg): Likewise.
19423 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19425 * except.c (start_dynamic_handler): Compute size using
19426 STACK_SAVEAREA_MODE.
19428 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19430 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19431 include directory headers. Don't define strrchr. Don't provide
19432 my_* replacement functions. Prefer PTR over `pointer_type'.
19433 Don't prototype system functions. Don't redefine getopt.
19435 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19436 safe_read, safe_write, save_pointers, restore_pointers,
19437 is_id_char, in_system_include_dir, directory_specified_p,
19438 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19439 find_corresponding_lparen, referenced_file_is_newer,
19440 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19441 process_aux_info_file, identify_lineno, check_source,
19442 seek_to_line, forward_to_next_token_char, output_bytes,
19443 output_string, output_up_to, other_variable_style_function,
19444 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19445 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19446 find_static_definition, connect_defs_and_decs, add_local_decl,
19447 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19448 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19449 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19450 scan_for_missed_items, edit_file, string_list_cons): Add static
19452 (standard_exec_prefix, target_machine, target_version,
19453 default_syscalls_dir, string_list, string_list_cons, find_file,
19454 do_cleaning): Constify a char*.
19455 (safe_read, safe_write): Use PTR, not a char*.
19456 (is_id_char): Take an int, not a char.
19457 (main): Add prototype. Call return, not exit.
19459 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
19461 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
19462 when comparing types.
19464 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
19466 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
19467 (strength_reduce): Release the varrays from the no-bivs early exit.
19469 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
19470 the loop over the registers.
19472 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
19474 (restore_tree_status): Check that instead when freeing the obstack.
19476 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
19478 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
19481 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19483 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
19484 operand size modifiers.
19486 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19488 * c-common.c (c_common_nodes_and_builtins): Don't build
19490 * c-common.h (enum c_tree_index and related accesor macros): Remove
19491 everything now declared in tree.h.
19492 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19493 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
19494 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
19495 (error_mark_node, void_type_node, char_type_node, integer_type_node,
19496 unsigned_type_node, ptr_type_node, va_list_type_node,
19497 integer_zero_node, null_pointer_node, integer_one_node): Delete.
19498 (init_decl_processing): Call build_common_tree_nodes and
19499 build_common_tree_nodes_2 instead of building their nodes here.
19500 Don't add roots for these nodes.
19501 * stor-layout.c (size_zero_node, size_one_node): Delete.
19502 (set_sizetype): Make a new node for bitsizetype each time.
19503 * tree.c (global_trees): New variable.
19504 (init_obstacks): Add a gc root for it.
19505 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19506 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
19507 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
19508 (build_common_tree_nodes): New function.
19509 (fix_sizetype): New function.
19510 (build_common_tree_nodes_2): New function.
19511 * tree.h (enum tree_index): New.
19512 (global_trees): Declare.
19513 Add accessor macros for all nodes now moved to global_trees.
19514 Delete their declarations.
19516 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
19518 * c-decl.c (finish_function): When processing a nested function,
19519 push and pop GC context around rest_of_compilation.
19521 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
19523 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
19524 Default ix86_arch to PROCESSOR_I386.
19525 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
19526 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
19527 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
19528 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
19529 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
19530 (EXTRA_SPECS): Remove deleted specs.
19532 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
19534 * function.c (assign_stack_local_1): Allocate from
19535 function->x_frame_offset, not frame_offset.
19537 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
19539 * ggc.h (lang_cleanup_tree): Remove.
19540 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
19541 * ggc-callbacks.c (lang_cleanup_tree): Remove.
19543 * c-decl.c (finish_struct): Use ggc_alloc to allocate
19544 TYPE_LANG_SPECIFIC when garbage collecting.
19545 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
19546 (lang_cleanup_tree): Remove.
19548 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19550 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
19551 * crtstuff.c: Not here.
19552 * dwarf2out.c: Or here.
19553 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
19556 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
19558 * function.h (free_after_compilation): Remove decl parameter.
19559 (free_varasm_status0: Likewise.
19560 (free_emit_status): Likewise.
19561 (free_stmt_status): Likewise.
19562 (free_after_compilation): Likewise.
19563 (init_lang_status): New variable.
19564 (free_lang_status): Likewise.
19565 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
19566 * function.c (init_lang_status): New variable.
19567 (free_lang_status): Likewise.
19568 (push_function_context_to): Don't set function::decl here.
19569 (free_after_copmilation): Make decl parameter implicit. Call
19570 free_lang_status if defined.
19571 (prepare_function_start): Call init_lang_status if defined.
19572 (init_function_start): Set function::decl here.
19573 * profile.c (output_func_start_profiler): Don't call pushdecl
19574 until we've actually started the function.
19575 * stmt.c (free_stmt_status): Make decl parameter implicit.
19576 * toplev.c (rest_of_compilation): Don't pass decl to
19577 free_after_compilation.
19578 * varasm.c (free_varasm_status): Likewise.
19580 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19582 * except.c (call_get_eh_context): Add root when allocating static
19585 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
19587 * arm.c: Include "ggc.h".
19588 (arm_add_gc_roots): New function.
19589 (arm_override_options): Call it.
19590 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
19592 * arm.md (define_asm_attributes): Add a pool_range attribute.
19594 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
19596 * extend.texi (Volatiles): New node.
19598 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
19600 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
19601 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
19602 (struct ggc_any): Replace `mark' with `magic_mark'.
19603 (ggc_alloc_string): Use memcpy, not bcopy.
19604 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
19605 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
19606 (ggc_free_any): New.
19607 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
19608 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
19609 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
19610 Use IS_MARKED. Use ggc_free_any.
19612 1999-09-09 Scott Bambrough <scottb@netwinder.org>
19614 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
19616 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
19618 * toplev.c (main): Always init_ggc.
19620 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
19622 * except.c (find_all_handler_type_matches): Free the list if
19623 we found no matches.
19625 * combine.c (SUBST): Break out to a real function do_SUBST.
19626 (SUBST_INT): Likewise.
19627 * gcse.c (free_pre_mem): Free `temp_bitmap'.
19628 (pre_insert): Free `inserted'.
19629 * loop.c (basic_induction_var): Always set `location'.
19631 * function.c (expand_function_end): Add initial_trampoline as a root.
19632 * rtl.h (init_varasm_once): Declare.
19633 * toplev.c (compile_file): Call it.
19634 * ggc-simple.c (ggc_mark_string_ptr): New.
19635 (ggc_add_string_root): New.
19636 (ggc_collect): Disable collection avoidance temporarily.
19637 * ggc.h (ggc_add_string_root): Declare.
19638 * except.c (create_rethrow_ref): Use ggc_alloc_string.
19639 * optabs.c (init_libfuncs): Likewise.
19640 * varasm.c (named_section): Use ggc_alloc_string.
19641 (make_function_rtl): Likewise.
19642 (make_decl_rtl): Likewise.
19643 (assemble_static_space): Likewise.
19644 (assemble_trampoline_template): Likewise.
19645 (output_constant_def): Likewise.
19646 (force_const_mem): Likewise.
19647 (mark_const_hash_entry): New.
19648 (mark_pool_sym_hash_table): New.
19649 (mark_varasm_state): Use it.
19650 (init_varasm_once): New.
19652 * expr.h (init_one_libfunc): Declare.
19653 * optabs.c (init_one_libfunc): New.
19654 (init_optabs): Use it.
19655 * config/gofast.h: Likewise.
19656 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
19657 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
19659 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19661 * Makefile.in (cppexp.o): Depend on cpphash.h.
19662 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
19664 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
19665 * cpplib.c (do_define): Generalise to handle poisoned definitions,
19666 redefining poisoned identifiers, etc.
19667 (do_undef): Don't allow poisoned identifiers to be undefined.
19668 (do_pragma): Add #pragma poison.
19669 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19671 * cccp.c: Add T_POISON node type.
19672 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
19674 (do_define): Generalise to handle poisoned definitions,
19675 redefining poisoned identifiers, etc.
19676 (do_undef): Don't allow poisoned identifiers to be undefined.
19677 (do_pragma): Add #pragma poison.
19678 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19680 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
19681 * c-pragma.h: Add ps_poison state. We now always have generic
19684 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
19686 * ggc.h (ggc_alloc): New function.
19687 (ggc_mark): Likewise.
19688 * ggc-simple.c (ggc_any): New structure.
19689 (ggc_status): Add anys.
19690 (n_anys_collected): New variable.
19691 (ggc_alloc): Define.
19692 (ggc_mark): Likewise.
19693 (ggc_collect): Collect the anys.
19695 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19697 * c-decl.c (mark_binding_level): Make static to match prototype.
19699 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
19701 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
19703 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
19705 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
19706 will use into account. Expand the max width to 5.
19709 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
19711 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
19712 for the rtx length.
19714 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
19716 * alpha.md (call value patterns): Remove the result predicates.
19718 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
19720 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
19723 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19725 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
19726 changed from extern char *, to extern PTR. Also fix typo in
19727 NEED_DECLARATION_REALLOC test.
19729 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
19731 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19733 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
19734 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
19735 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
19736 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
19738 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
19740 * cccp.c (pcfinclude): Likewise.
19742 * global.c (allocno_compare): Likewise.
19744 * haifa-sched.c (rank_for_schedule): Likewise.
19746 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
19748 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
19750 * stupid.c (stupid_reg_compare): Likewise.
19752 * tree.c (_obstack_allocated_p): Likewise.
19754 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
19756 1999-09-08 Bruce Korb autogen@linuxbox.com
19758 * Makefile.in: Give the hapless gperf user a hint about
19759 why "gperf -F" fails.
19761 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
19763 * lists.c: Include ggc.h.
19765 (init_EXPR_INSN_LIST_cache): Install it.
19767 * ggc-simple.c (init_ggc): Absorb the old init.
19768 (ggc_push_context): Use xcalloc.
19769 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
19770 (ggc_collect): Add [rvts] tags to the collection stats.
19772 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
19774 * cccp.c (main): Fix handling of -include and -imacros options.
19776 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
19778 * cpplib.c (cpp_push_buffer): Fix order of arguments.
19780 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19782 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
19785 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19787 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
19788 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
19789 and SET_DEST. Update comment.
19791 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19793 * config/c4x/c4x.c: Include ggc.h.
19794 (c4x_add_gc_roots): New function.
19795 (c4x_override_options): Call c4x_add_gc_roots.
19797 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
19799 * defaults.h (TARGET_ESC): Move ...
19800 * system.h: ... here, where Linas had it in the first place. Silly me.
19802 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
19804 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
19805 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
19806 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
19807 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
19808 * defaults.h (TARGET_ESC): Add default.
19810 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
19812 * configure.in: add i370-*-openedition, i370-*-mvs and
19813 i370-*-linux targets
19815 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
19817 * dsp16xxx.c: Include ggc.h
19818 (override_options): Mark GC roots.
19819 * mn10200.c: Include ggc.h.
19820 (asm_file_start): Mark GC roots.
19821 * tahoe.c: Include ggc.h.
19822 (extensible_operand): Mark GC roots.
19824 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
19826 * README: Add section discussing status of ELF ABI.
19827 * i370.c: Fix misc spelling mistakes.
19828 (i370_label_scan): Updated notes, exception handling.
19829 (i370_function_prolog): Simplify ELF stack handling.
19830 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
19831 (STACK_GROWS_DOWNWARD): ELF stack grows down.
19832 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
19833 * i370.md: (movdi): Add notes.
19834 (floatsidf2): Use stack not rtca for scratch float area.
19835 (iorsi3): Correct operand constraints.
19836 * x-oe: Restore TAROUTOPTS which are used by pax.
19838 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
19840 * rs6000.c: Include ggc.h.
19841 (rs6000_add_gc_roots): New function.
19842 (override_options): Call it.
19844 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
19846 * alpha.h (alpha_compare): New.
19847 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
19848 * alpha.c: Likewise for the definitions.
19849 (alpha_emit_conditional_branch): Update for alpha_compare.
19850 (alpha_emit_conditional_move): Likewise.
19851 * alpha.md (cmpdf, cmpdi): Likewise.
19852 (setcc patterns): Likewise. Zero alpha_compare after use.
19853 (sne): Optimize (x != 0) into (0U < x).
19855 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
19857 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
19858 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
19859 (INIT_EXPANDERS): Remove.
19860 * alpha.c: Include ggc.h.
19861 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
19862 (alpha_init_machine_status, alpha_mark_machine_status): New.
19863 (override_options): Install them.
19864 (struct machine_function): Moved to alpha.h.
19865 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
19866 (alpha_init_expanders): Remove.
19867 (alpha_return_addr): Adjust to use current_function->machine.
19868 (alpha_ra_ever_killed): Likewise.
19869 (alpha_expand_epilogue): Likewise.
19870 * alpha.md (eh_epilogue): Likewise.
19872 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
19873 Melissa O'Neill <oneill@cs.sfu.ca>
19874 Geoffrey Keating <geoffk@cygnus.com>
19876 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
19877 call-used registers (call-saved registers must still be contiguous
19878 and end with r31, of course).
19880 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
19882 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
19883 (self_promoting_type_p): Delete.
19884 (self_promoting_args_p): Move ...
19885 * c-common.c: ... here.
19886 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
19887 (simple_type_promotes_to): New.
19888 * builtins.c (lang_type_promotes_to): New.
19889 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
19890 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
19891 * c-common.h: ... here.
19892 (self_promoting_args_p, simple_type_promotes_to): Declare.
19893 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
19894 (grokdeclarator): Likewise.
19895 * tree.h (lang_type_promotes_to): Declare.
19897 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
19899 Add some machine-dependent GC roots.
19900 * sparc.c: Include ggc.h.
19901 (sparc_add_gc_roots): New function.
19902 (mark_ultrasparc_pipeline_state): Likewise.
19903 (override_options): Call sparc_add_gc_roots.
19904 * pa.c: Include ggc.h.
19905 (pa_add_gc_roots): New function.
19906 (mark_deferred_plabels): Likewise.
19907 (override_options): Call pa_add_gc_roots.
19908 * mips.c: Include ggc.h.
19909 (mips_add_gc_roots): New function.
19910 (override_options): Use it.
19912 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19914 * cpperror.c (cpp_file_line_for_message): Constify a char*.
19916 * cppexp.c (parse_number, parse_charconst, cpp_lex,
19917 cpp_parse_expr): Add static prototypes.
19918 (parse_charconst): Don't cast away const-ness.
19919 (token): Constify a char*.
19921 * cppfiles.c (file_name_list, include_hash, find_include_file,
19922 finclude, initialize_input_buffer): Constify a char*.
19923 (file_cleanup, find_position): Add static prototypes.
19925 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
19926 collect_expansion): Add static prototypes.
19927 (cpp_install, create_definition, monthnames): Constify a char*.
19929 * cpphash.h (cpp_install): Likewise.
19931 * cppinit.c (known_suffixes, default_include,
19932 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
19933 (base_name, dump_special_to_buffer, initialize_dependency_output):
19934 Add static prototypes.
19936 * cpplib.c (my_strerror): Constify a char*.
19937 (null_underflow, null_cleanup, skip_comment, copy_comment,
19938 copy_rest_of_line, handle_directive, pass_thru_directive,
19939 get_directive_token, read_line_number, cpp_print_file_and_line,
19940 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
19941 v_cpp_warning_with_line, detect_if_not_defined,
19942 consider_directive_while_skipping): Add static prototypes.
19943 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
19944 cpp_pedwarn_with_file_and_line): Constify a char*.
19946 * cpplib.h (cpp_options, include_hash, progname, definition,
19947 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
19948 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
19949 find_include_file, deps_output, include_hash): Constify a char*.
19951 * cppmain.c (progname): Constify.
19952 (main): Add prototype. Use return, not exit.
19954 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
19955 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
19956 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
19957 check_protection): Add static prototype.
19959 (progname, recognized_macrom, recognized_extern): Constify a char*.
19960 (main): Add prototype.
19962 * gen-protos.c (progname): Constify a char*.
19964 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
19966 * emit-rtl.c (free_emit_status): Take decl as a parameter.
19967 (init_emit_once): Add more GC roots.
19968 * except.c (mark_func_eh_entry): New function.
19969 (mark_eh_node): Mark false_label and rethrow_label.
19970 (init_eh): Add more GC roots.
19971 * function.c (free_after_compilation): Take decl as a paramter.
19972 Call free_stmt_status.
19973 (mark_function_state): Don't assume x_parm_reg_stack_loc is
19975 * function.h (free_after_compilation): Change prototype.
19976 (free_varasm_status): Likewise.
19977 (free_emit_status): Likewise.
19978 (free_stmt_status): New function.
19979 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
19980 Remove, replacing with ...
19981 (ggc_status): New structure.
19982 (ggc_chain): New variable.
19983 (init_gcc): Define.
19984 (ggc_push_context): New function.
19985 (ggc_pop_context): Likewise.
19986 (ggc_alloc_rtx): Adjust for use of ggc_chain.
19987 (ggc_alloc_rtvec): Likewise.
19988 (ggc_alloc_tree): Likewise.
19989 (ggc_alloc_string): Likewise.
19990 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
19991 (ggc_mark_tree): Give language-dependent code a chance to mark
19993 (ggc_mark_tree_varray): Handle empty arrays.
19994 (ggc_collect): Adjust for use of ggc_chain. Clear
19995 bytes_alloced_since_last_gc.
19996 * ggc.h (ggc_pop_context): New function.
19997 (ggc_push_context): Likewise.
19998 * print-tree.c (print_node): Don't print obstacks when GC'ing.
19999 * stmt.c (free_stmt_status): New function.
20000 (init_stmt_for_function): Clear last_expr_value.
20001 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20002 Conditionalize call to ggc_collect.
20003 (main): Call init_ggc.
20004 * tree.c (push_obstacks): Do the push, even when GC'ing.
20005 (push_obstacks_nochange): Likewise.
20006 (pop_obstacks): Liekwise.
20007 * varasm.c (free_varasm_status): Take decl as a parameter.
20009 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20011 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20012 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20013 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20014 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20016 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20018 * pa/x-pa-mpeix: New file for the MPE port.
20020 * pa/quadlib.asm: New file for long double support.
20022 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20023 * configure: Rebuilt.
20025 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20027 * final.c (shorten_branches): Fix last change.
20029 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20031 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20033 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20035 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20038 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20040 * c-aux-info.c (concat): Don't define.
20042 * cccp.c (my_strerror): Likewise. All callers changed to use
20044 (do_include): Call xstrdup, not xmalloc/strcpy.
20045 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20046 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20048 * collect2.c (my_strsignal): Likewise. All callers changed to use
20050 (locatelib): Call xstrdup, not xmalloc/strcpy.
20052 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20054 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20056 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20058 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20060 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20062 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20064 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20066 (find_all_handler_type_matches): Likewise. Don't check return
20068 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20069 xmalloc, not malloc.
20070 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20072 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20073 (init_spec): Call xcalloc, not xmalloc/bzero.
20074 (set_spec): Call xstrdup, not save_string.
20075 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20076 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20077 (process_command): Call xstrdup, not save_string.
20078 (main): Call xcalloc, not xmalloc/bzero.
20080 * gcov.c (xmalloc): Don't define.
20081 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20082 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20083 (output_data): Call xcalloc, not xmalloc/bzero.
20085 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20087 * mips-tdump.c (xmalloc): Don't define.
20088 (print_symbol): Call xmalloc, not malloc.
20089 (read_tfile): Call xcalloc, not calloc.
20091 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20092 Don't define. All callers of xfree/my_strsignal changed to use
20093 free/strsignal instead.
20094 (allocate_cluster): Call xcalloc, not calloc.
20096 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20097 Fix memory leak, free allocated memory.
20099 * prefix.c (translate_name): Call xstrdup, not save_string.
20100 (update_path): Likewise.
20102 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20104 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20105 Don't define. Callers of xfree/savestring2 changed to use
20106 free/concat instead.
20108 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20109 (init_elim_table): Likewise.
20111 * resource.c (init_resource_info): Likewise.
20113 * stupid.c (stupid_life_analysis): Likewise.
20115 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20116 (open_dump_file): Call concat, not xmalloc/strcpy/...
20117 (clean_dump_file): Likewise.
20118 (compile_file): Call xstrdup, not xmalloc/strcpy.
20120 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20122 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20123 * v850.c (v850_va_arg): New.
20125 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20127 * haifa-sched.c: Tidy comments.
20129 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20131 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20132 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20133 $(out_object_file)): Depend on ggc.h.
20134 * c-common.c: Include "ggc.h".
20135 (combine_strings): If doing GC, use ggc_alloc_string.
20136 * c-decl.c: Include "ggc.h".
20137 (ggc_p): Define with value 0.
20138 (mark_binding_level): New function.
20139 (init_decl_processing): Add GC roots.
20140 (mark_c_function_context): New function.
20141 (lang_mark_false_label_stack): New function.
20142 (lang_mark_tree): New function.
20143 (lang_cleanup_tree): New function.
20144 * c-lang.c: Include "ggc.h".
20145 (lang_init): Call c_parse_init.
20146 * c-lex.c: Include "ggc.h".
20147 (check_linenum): If doing GC, don't copy filenames to permanent
20149 * c-parse.in: Include "ggc.h".
20150 (c_parse_init): New function.
20151 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20152 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20154 * except.c (mark_eh_state): Mark more state.
20155 * function.c (mark_function_state): Likewise.
20156 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20157 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20158 * toplev.c (mark_file_stack): New function.
20159 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20160 (main): Add root for input_file_stack.
20162 * i386.c: Include "ggc.h".
20163 (ix86_mark_machine_status): New function.
20164 (override_options): Set mark_machine_status.
20166 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20168 * tree.c (copy_node): Copy node contents also if doing GC.
20170 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20172 * collect2.c (scan_libraries): Fix double-thinko :-).
20174 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20176 * collect2.c (scan_libraries): Fix thinko.
20178 * cse.c (delete_trivially_dead_insns): Do not skip the last
20179 insn if it is a real insn.
20181 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20183 * Makefile.in (ggc-simple.o): Depend on hash.h.
20184 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20185 (ggc_mark_tree_varray): Likewise.
20186 (ggc_mark_tree_hash_table): Likewise.
20187 * ggc-simple.c: Include hash.h.
20188 (ggc_mark_tree_hash_table_ptr): New function.
20189 (ggc_mark_tree_hash_table_entry): Likewise.
20190 (ggc_mark_tree_hash_table): Likewise.
20191 (ggc_add_tree_hash_table_root): Likewise.
20192 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20193 rtx, when defining fields.
20195 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20197 * profile.c (output_func_start_profiler): Remove apparently
20198 nonsensical call to start_sequence.
20200 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20202 * clipper/clipper.c (clipper_va_start): Fix typos.
20204 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20205 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20206 (spur_va_arg): New stub.
20208 * configure.in: Comment out pyramid.
20210 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20212 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20213 don't conflict with the bits that win32, cygwin, and dgux
20216 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20217 Bernd Schmidt <bernds@cygnus.co.uk>
20219 * integrate.c (function_cannot_inline_p): Do not inline
20220 functions with forced labels.
20222 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20223 Bernd Schmidt <bernds@cygnus.co.uk>
20224 Mark Mitchell <mark@codesourcery.com>
20226 * Makefile.in (ggc-simple.o): Depend on varray.h.
20227 (rtl.o): Depend on ggc.h.
20228 (genattrtab.o): Depend on ggc.h.
20229 (print-tree.o): Likewise.
20230 (fold-const.o): Likewise.
20231 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20232 (make_insn_raw): Don't cache insns when GC'ing.
20233 (emit_insn_before): Likewise.
20234 (emit_insn_after): Likewise.
20235 (emit_insn): Likewise.
20236 (start_sequence): Use xmalloc to allocate the sequence_stack.
20237 (end_sequence): Add free to free it.
20238 (gen_sequence): Don't cache insns when GC'ing.
20239 (clear_emit_caches): Don't use sequence_element_free_list.
20240 (init_emit): Use xcalloc, not xmalloc+bzero.
20241 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20242 * function.c (pop_function_context_from): Use free to free the
20243 fixup_var_refs_queue.
20244 (put_reg_into_stack): Allocate it with xmalloc.
20245 * genattrtab.c: Include ggc.h.
20246 (operate_exp): Don't use obstack_free when GC'ing.
20247 (simplify_cond): Likewise.
20248 (simplify_text_exp): Likewise.
20249 (optimize_attrs): Likewise.
20250 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20252 (gencode): Generate a #include for ggc.h.
20253 * ggc-callbacks.c (ggc_p): Define it to zero.
20254 * ggc-none.c (ggc_p): Likewise.
20255 * ggc-simple.c: Include varray.h.
20256 (ggc_mark_tree_varray): New function.
20257 (ggc_add_tree_varray_root): Likewise.
20258 (ggc_mark_tree_varray_ptr): Likewise.
20259 * ggc.h (ggc_p): Declare.
20260 (varray_head_tag): Likewise.
20261 (ggc_add_tree_varray_root): Declare.
20262 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20263 inconsistencies when GC'ing.
20264 * rtl.c: Include ggc.h.
20265 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20266 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20267 (rtx_free): Don't call obstack_free when GC'ing.
20268 * toplev.c (rest_of_compilation): Call ggc_collect after every
20270 * tree.c (push_obstacks): Do nothing, if GC'ing.
20271 (pop_obstacks_nochange): Likewise.
20272 (pop_obstacks): Likewise.
20273 (make_node): Use ggc_alloc_tree when GC'ing.
20274 (copy_node): Likewise.
20275 (get_identifier): Use ggc_alloc_string when GC'ing.
20276 (build_string): Likewise.
20277 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20278 (tree_cons): Likewise.
20279 (build1): Likewise.
20280 (type_hash_canon): Don't call obstack_free when GC'ing.
20282 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20284 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20285 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20287 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20288 Bernd Schmidt <bernds@cygnus.co.uk>
20289 Mark Mitchell <mark@codesourcery.com>
20291 * Makefile.in (stor-layout.o): Depend on ggc.h.
20292 (expr.o): Depend on ggc.h.
20293 (profile.o): Depend on ggc.h.
20294 (stor-layout.o): Depend on ggc.h.
20295 * emit-rtl.c (init_emit_once): Add gc roots.
20296 * expr.c: Include ggc.h.
20297 (emit_block_move): Add gc roots.
20298 (clear_storage): Likewise.
20299 * expr.h (init_stor_layout_once): New function.
20300 * profile.c: Include ggc.h.
20301 (init_arc_profiler): profiler_label is a root.
20302 * scan.c (make_sstring_space): Trust xrealloc to function
20303 correctly with first parameter NULL.
20304 * stor-layout.c: Include ggc.h.
20305 (set_sizetype): Add gc root.
20306 (init_stor_layout_once): New function.
20307 * toplev.c (compile_file): Call it.
20309 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20310 Bernd Schmidt <bernds@cygnus.co.uk>
20311 Mark Mitchell <mark@codesourcery.com>
20313 * Makefile.in (tree.o): Depend on ggc.h.
20314 (varasm.o): Likewise.
20315 (function.o): Likewise.
20316 (stmt.o): Likewise.
20317 (except.o): Likewise.
20318 (optabs.o): Likewise.
20319 (emit-rtl.o): Likewise.
20320 * emit-rtl.c: Include ggc.h.
20321 (sequence_element_free_list): Remove, and all references.
20322 (mark_sequence): New functions.
20323 (mark_emit_state): New function.
20324 * except.c: Include ggc.h.
20325 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20326 (mark_tree_label_node): New functions.
20327 (mark_eh_state): New function.
20328 * function.c: Include ggc.h.
20329 (mark_temp_slot, mark_function_chain): New functions.
20330 (mark_function_state): New function.
20331 (init_function_once): New function.
20332 * function.h (init_function_once): New function.
20333 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20334 * ggc.h (label_node): Declare.
20335 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20336 (lang_mark_false_label_stack): New function.
20337 (mark_temp_slot): Remove declaration.
20338 (mark_function_chain): Likewise.
20339 (mark_eh_state): Adjust prototype.
20340 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20342 * optabs.c: Include ggc.h.
20343 (mark_optab): New function.
20344 (init_optabs): Add gc roots.
20345 * stmt.c: Include ggc.h.
20346 (mark_cond_nesting, mark_loop_nesting): New functions.
20347 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20348 (mark_stmt_state): New function.
20349 * toplev.c (compile_file): Call init_function_once.
20350 * tree.c: Include ggc.h.
20351 (type_hash): Move declaration earlier in file.
20352 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20353 (init_obstacks): Add gc roots.
20354 (mark_type_hash): New function.
20355 * varasm.c: Include ggc.h.
20356 (mark_pool_constant): New function.
20357 (mark_varasm_state): New function.
20359 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20361 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20363 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20365 * c-decl.c (struct language_function): Renamed from struct c_function.
20367 (c_function_chain): Delete.
20368 (push_c_function_context): New arg F. Don't warn about nested
20369 functions here. Fill LANGUAGE elt of F. Delete code to update
20370 c_function_chain. Don't call push_function_context.
20371 (pop_c_function_context): New arg F. Restore from there instead of
20372 from c_function_chain. Don't call pop_function_context. Clear out
20373 LANGUAGE field of F when done.
20374 * c-lang.c: Include "function.h"
20375 (lang_init): Initialize save_lang_status and restore_lang_status.
20376 * c-parse.in (nested_function, nested_function_notype): Warn about
20377 nested functions. Call push_function_context/pop_function_context
20378 instead of the _c_ variants.
20379 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20381 * Makefile.in (c-lang.o): Update dependencies.
20383 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20384 regno_pointer_flag, regno_pointer_align.
20385 (gen_reg_rtx): Use xrealloc to enlarge them.
20386 (free_emit_status): New function.
20387 * function.c (mark_machine_status, mark_lang_status): New variables.
20388 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20389 in some bits from assign_stack_local. All callers changed to use new
20391 (assign_stack_local): Just call assign_stack_local_1.
20392 (free_after_compilation): New function.
20393 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20394 (trampoline_address): Likewise.
20395 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20396 (prepare_function_start): Explicitly clear some more variables.
20397 * function.h (struct function): New elt can_garbage_collect.
20398 (mark_machine_status, mark_lang_status): Declare variables.
20399 (free_after_compilation, free_emit_status, free_varasm_status,
20400 init_varasm_status): Declare functions.
20401 * toplev.c (rest_of_compilation): Call free_after_compilation when
20402 done with the current function.
20403 * varasm.c (free_varasm_status): New function.
20405 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20407 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20408 (EXPAND_BUILTIN_VA_ARG): Define.
20409 * sparc.c (sparc_va_start): New.
20410 (sparc_va_arg): New.
20412 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20414 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20416 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20418 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20420 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20422 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20423 (OBJS): Add $(GGC).
20424 (ggc-callbacks.o): New target.
20425 * ggc-callbacks.c: New file.
20427 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20429 * expr.h: Collapse individual optab and libfunc vars to arrays.
20430 (optab_index, libfunc_index): New enumerations.
20431 (optab_table, libfunc_table): New arrays.
20432 Add accessor macros for both.
20434 * optabs.c (optab_table, libfunc_table): New.
20435 Delete declarations for individual optab and libfunc vars.
20437 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20439 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20441 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20443 * Makefile.in (GGC, GGC_LIB): New.
20444 (HOST_RTL): Include ggc-none.o.
20445 (ggc-simple.o): New target.
20446 (ggc-none.o): Likewise.
20447 * tree.h (tree_common): Add gc_mark.
20448 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20449 (struct rtvec_def): Add gc_mark.
20450 * emit-rtl.c (global_rtl): Update static initializers to contain
20451 enough initializers.
20452 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20453 * toplev.c (gc_time): New variable.
20454 (all_time): New variable.
20455 (compile_file): Print gc time.
20456 (print_time): Calculate percentage of the whole.
20458 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20460 Change obstack memory management and varasm constant pool handling so
20461 that nested functions are treated like any other functions.
20462 * function.c (init_machine_status): New variable.
20463 (push_function_context_to): Set contains_functions for the outer
20464 function. Don't call save_varasm_status.
20465 (pop_function_context_from): Don't call restore_varasm_status. Don't
20466 set current_function_contains_functions.
20467 (prepare_function_start): Call init_varasm_status rather than
20468 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
20470 * function.h (struct function) Add field varasm. Delete fields
20471 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
20472 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
20473 (init_machine_status): Declare.
20474 (save_varasm_status, restore_varasm_status): Delete declarations.
20475 (save_tree_status, restore_tree_status): Delete last argument.
20476 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
20477 code. All callers changed.
20478 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
20479 save_constants_in_decl_trees, restore_constants, save_constants,
20480 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
20482 (inlining): New variable.
20483 (reg_map, label_map, insn_map, orig_asm_operands_vector,
20484 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
20486 (save_for_inline_nocopy): Don't save constants.
20487 Don't set inl_emit field in current_function.
20488 (expand_inline_function): Use emit field, not inl_emit, of the inlined
20489 function. Set new variable inlining before
20490 calling copy_rtx_and_substitute.
20491 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
20492 constant pool references if inlining is nonzero.
20493 Delete ADDRESS and (most of the) CONST cases.
20494 (output_inline_function): Save and restore current_function/
20495 current_function_decl. Delete restore_constants code. Don't call
20496 init_const_rtx_hash_table.
20497 * output.h (init_const_rtx_hash_table): Don't declare.
20498 * rtl.h (struct function): Declare.
20499 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
20500 * toplev.c (rest_of_compilation): Don't treat nested functions or
20501 functions containing them specially. Delete all code to deal with
20502 save_for_inline_copying.
20503 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
20504 inline_obstacks): Delete variables.
20505 (save_tree_status): Lose arg CONTEXT. All callers changed.
20506 Simply allocate a new function_maybepermanent_obstack for the new
20507 function, delete all the special cases.
20508 Don't save inline_obstacks.
20509 (restore_tree_status): Lose arg CONTEXT. All callers changed.
20510 Delete special handling for function_maybepermanent_obstack; simply
20512 Don't restore inline_obstacks.
20513 (permanent_allocation): Delete code that frees inline_obstacks.
20514 (print_inline_obstack_statistics): Delete function.
20515 (dump_tree_statistics): Don't call it.
20516 * varasm.c (struct varasm_status): New.
20517 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
20518 last_pool, pool_offset, const_double_chain): Delete global
20519 variables, replace with accessor macros.
20520 (immed_double_const): Don't walk const_double_chain outside a
20521 function, but don't treat nested functions specially anymore.
20522 (immed_real_const_1): Likewise.
20523 (clear_const_double_mem): Don't treat nested functions specially.
20524 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
20525 (save_varasm_status, restore_varasm_status): Delete functions.
20526 (init_varasm_status): New function.
20527 (force_const_mem): Don't treat nested functions specially.
20528 (find_pool_constant): Accept new arg F, search for constants in
20529 that function's pool rather than the current one. All callers
20531 (get_pool_constant_for_function, get_pool_mode_for_function): New
20534 * i386.c (init_386_machine_status): New function, mostly from
20535 clear_386_stack_locals.
20536 (struct machine_functions): Rename element names to avoid name
20538 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
20539 macros, replacing global variables.
20540 (clear_386_stack_locals, save_386_machine_status,
20541 restore_386_machine_status): Delete functions.
20542 (override_options): Initialize init_machine_status.
20543 * i386.h (INIT_EXPANDERS): Delete macro.
20544 (save_386_machine_status, restore_386_machine_status,
20545 clear_386_stack_locals): Delete declarations.
20547 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20549 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
20550 (doloop_begin): Simplify pattern and use emit_jump_insn.
20551 (doloop_end): Simplify pattern, switch operand order,
20552 and use emit_jump_insn.
20554 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20556 * function.h (struct function): Add new element LANGUAGE.
20557 (save_lang_status): Declare new variable.
20558 (restore_lang_status): Likewise.
20559 * function.c (save_lang_status): Define.
20560 (restore_lang_status): Likewise.
20561 (push_function_context_to): Call language-specific save function.
20562 (pop_function_context_from): Call language-specific restore function.
20564 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20566 * i386.md (movsf_1): Check REG_P before use of REGNO.
20567 (movdf_1): Likewise.
20568 (movxf_1): Likewise.
20569 (extendsfdf2): Likewise.
20570 (extendsfxf2): Likewise.
20571 (extenddfxf2): Likewise.
20573 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20575 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
20576 constants into memory.
20577 (c4x_shiftable_constant): New function.
20578 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
20579 (c4x_shiftable_constant): Declare.
20580 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
20581 ashlqi3_noclobber): Add new patterns and associated splitters.
20583 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
20585 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
20586 * dwarf2out.c (dwarf2out_frame_init): Likewise.
20587 * final.c (shorten_branches): Likewise.
20588 * global.c (global_alloc): Likewise.
20589 * haifa-sched.c (build_control_flow): Likewise.
20590 * stmt.c (check_for_full_enumeration_handling): Likewise.
20591 (estimate_case_costs): Likewise.
20593 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
20595 * rtl.h (RTL_CHECKC2): Fix typo in last change.
20597 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
20599 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
20600 (recompute_reg_usage): Likewise.
20601 * rtlanal.c (find_regno_fusage): Likewise.
20603 * rtl.c (rtl_check_failed_code1): New function.
20604 (rtl_check_failed_code2): New.
20605 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
20606 (RTL_CHECKC1, RTL_CHECKC2): New.
20607 (XC*): New accessor macros.
20608 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
20609 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
20610 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
20611 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
20612 (TRAP_*, RANGE_INFO_*): Likewise.
20614 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20616 * Makefile.in (tlink.o): Don't depend on toplev.h.
20618 * collect2.c (c_file, o_file, export_file, import_file, ldout,
20619 output_file, nm_file_name, ldd_file_name, strip_file_name,
20620 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
20621 add_prefix, prefix_from_env, prefix_from_string, do_wait,
20622 fork_execute, maybe_unlink, add_to_list,
20623 extract_init_priority, write_list, dump_list,
20624 dump_prefix_list, write_list_with_asm, write_c_file,
20625 write_c_file_stat, write_c_file_glob, scan_prog_file,
20626 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
20627 ignore_library, extract_string, notice, dump_file, target_machine,
20628 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
20629 read_file, print_load_command): Constify a char*.
20630 (fdopen, error, fatal, fatal_perror): Don't prototype.
20631 (my_strerror): Remove. All callers use xstrerror instead.
20632 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
20633 (main): Add prototype. Constify lots of char* ptrs. Change calls
20634 to xcalloc/strcpy/strcat/... to one call to concat.
20635 (main, scan_prog_file, scan_libraries): Use an intermediate
20636 `const char **' to build an argv array.
20637 (mapfile, libselect, libcompare, locatelib): Add prototypes.
20639 * collect2.h (collect_execute, collect_wait, dump_file,
20640 file_exists): Constify a char*.
20641 (ldout, c_file_name, temporary_obstack, permanent_obstack,
20642 temporary_firstobj, vflag, debug): Add extern declarations.
20643 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
20645 * tlink.c: Don't include toplev.h.
20646 (vflag, debug, ldout, c_file_name, temporary_obstack,
20647 permanent_obstack, temporary_firstobj): Don't declare.
20648 (tlink_execute, frob_extension, symbol_hash_lookup,
20649 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
20650 recompile_files, read_repo_files, demangle_new_symbols,
20651 scan_linker_output): Constify a char*.
20652 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
20653 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
20655 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
20657 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
20658 (relative) rather than jsr (absolute) subroutine call insns.
20659 * config/m68k/m68k-coff.h: Ditto.
20661 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
20663 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
20664 now rework these too.
20665 (arm_reorg): If an insn can't reach the end of the current pool,
20666 ensure that we emit that pool before the insn.
20668 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
20670 * tlink.c (scan_linker_output): Skip the initial underscore in
20671 a mangled name if appropriate.
20673 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20675 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
20676 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
20677 error_with_ivar, gen_declarator, create_builtin_decl,
20678 my_build_string, generate_descriptor_table, generate_ivars_list,
20679 generate_dispatch_table, check_protocols, TAG_GETCLASS,
20680 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
20681 dump_base_name, lang_decode_option, build_encode_expr,
20682 start_class, finish_class, encode_pointer, really_start_method,
20683 gen_declaration, dump_interface, handle_class_ref, handle_impent):
20685 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
20686 Add static prototypes.
20687 (build_objc_string_decl, build_selector_reference_decl,
20688 encode_bitfield, build_class_reference_decl): Remove unused
20689 parameter, all callers changed.
20690 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
20691 (objc_printable_name): Likewise. Change second parameter to type int.
20692 (init_objc): Use memcpy, not bcopy, to avoid casts.
20694 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
20696 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
20697 reg notes on a deleted insn.
20698 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
20700 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
20702 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
20704 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20706 * stmt.c (expand_asm_operands): Fix index into inout_mode when
20709 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
20711 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
20712 * tm.texi (MD_ASM_CLOBBERS): Document it.
20714 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
20716 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
20717 * except.c (expand_rethrow): Remove unused variable.
20718 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
20719 * flow.c (replace_insns): Likewise.
20720 (create_edge_list, verify_edge_list): Likewise.
20721 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
20723 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
20724 is special code to run.
20725 (main): Don't define operands to emit_operand.
20726 * genrecog.c (main): Don't emit an empty peephole2_insn function.
20728 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
20730 * alpha/alpha.h (normal_memory_operand): Declare.
20731 (reg_no_subreg_operand): Declare.
20732 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
20734 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
20736 * c-parse.in (compstmt_primary_start): New, broken out of first
20737 part of compstmt handling in primary.
20738 (primary): Use it. Add an error clause.
20739 (compstmt_nostart): Renamed from compstmt; remove all
20740 initial invocations of compstmt_start.
20743 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
20745 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
20748 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
20750 * combine.c (simplify_shift_const): Remove extra semicolon.
20751 * dwarf2out.c (remove_AT): Likewise.
20752 * expmed.c (expand_mult): Likewise.
20753 * gcov.c (create_program_flow_graph): Likewise.
20754 * reorg.c (mostly_true_jump): Likewise.
20756 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
20758 * fold-const.c (fold_range_test): Do not try to fold the range
20759 test if the rhs or lhs has side effects.
20761 * combine.c (simplify_rtx): Recognize another case of a synthesized
20764 * varasm.c (mark_constant_pool): When marking indirect references,
20765 only look at SYMBOL_REFs.
20767 * except.c (expand_fixup_region_end): Do not peek at
20768 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
20770 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
20772 * flags.h: New variables align_loops, align_loops_log,
20773 align_jumps, align_jumps_log, align_labels, align_labels_log,
20774 align_functions, align_functions_log.
20775 * toplev.c: Define them.
20776 (f_options): Handle -falign-* when they have no argument.
20777 (main): Add logic to set variables for -falign-functions,
20778 -falign-jumps, -falign-labels, -falign-loops.
20779 Make it -fsched-verbose=<n> and -finline-limit=<n>.
20780 (display_help): Change help to match options.
20781 * final.c (LABEL_ALIGN): Default to align_labels_log.
20782 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
20783 (LOOP_ALIGN): Default to align_loops_log.
20784 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
20785 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
20786 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
20787 * varasm.c (assemble_start_function): Handle align_functions.
20789 * config/sparc/sparc.h: Don't declare sparc_align_*.
20790 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
20791 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
20793 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
20795 * config/sparc/sparc.c: Delete sparc_align_loops,
20796 sparc_align_jumps, sparc_align_funcs and the corresponding string
20798 (sparc_override_options): Default align_functions on ultrasparc.
20799 Delete -malign-* handling.
20801 * config/mips/mips.c (override_options): On 64-bit targets,
20802 try to align code to 64-bit boundaries.
20803 (print_operand): New substitution, %~,
20804 which aligns labels to align_labels_log.
20805 * config/mips/mips.md (div_trap_normal): Use %~.
20806 (div_trap_mips16): Likewise.
20808 (absdi2): Likewise.
20809 (ffssi2): Likewise.
20810 (ffsdi2): Likewise.
20811 (ashldi3_internal): Likewise.
20812 (ashrdi3_internal): Likewise.
20813 (lshrdi3_internal): Likewise.
20814 (casesi_internal): Likewise.
20816 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
20818 Merge new ia32 backend from the branch!
20820 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
20821 See ChangeLog.P2 on new_ia32_branch for details.
20823 * rtl.h (stack_regs_mentioned_p): Delete prototype.
20824 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
20825 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
20826 * i386/gas.h (ASM_FILE_START): Define.
20827 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
20828 for name change of ix86_valid_decl_attribute_p.
20829 (i386_pe_valid_type_attribute_p): Similarly.
20831 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
20833 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
20834 to step through CC modes.
20836 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20838 * regmove.c (fixup_match_1): Don't move INSN in front of P if
20839 it would end up in the shadow of a live flags regsiter.
20841 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20843 * reload1.c: Fix many indentation problems.
20844 * reload.c: Likewise.
20846 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
20848 * alias.c (non_local_reference_p): Constify fmt.
20850 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
20852 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
20854 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
20856 * cse.c (delete_trivially_dead_insns): Do not delete stores to
20857 the internal_arg_pointer.
20859 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
20861 Merge peephole2 from new_ia32_branch:
20862 * Makefile.in (STAGESTUFF): Add *.peephole2.
20863 (mostlyclean): Likewise.
20864 (recog.o): Depend on resource.h.
20866 * final.c (peephole): Conditionalize decl on HAVE_peephole.
20867 (final_scan_insn): Likewise for the invocation of peephole.
20868 * genconfig.c (main): Look for peephole and peephole2 patterns.
20869 Emit HAVE_peephole* accordingly.
20870 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
20871 * flags.h (flag_peephole2): Declare.
20872 * toplev.c: New pass peephole2. New flag -fpeephole2.
20874 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
20875 * gencodes.c (main): Likewise.
20876 * genextract.c (main): Likewise.
20877 * genoutput.c (main): Likewise.
20878 * genemit.c (max_operand_1): Look for the max scratch operand.
20879 (gen_rtx_scratch): New.
20880 (gen_exp): Use it, and pass on new arg subroutine_type.
20881 (gen_expand): Take max scratch into account.
20882 (gen_split): Emit peephole2 functions.
20883 (output_peephole2_scratch): New.
20884 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
20885 * genrecog.c (routine_type): Add PEEPHOLE2.
20887 (make_insn_sequence): Match outer parallel for peep2. Discard
20888 top level scratches and dups.
20889 (add_to_sequence): New args insn_type and top. Update all callers.
20890 Handle toplevel peep2 matching insns.
20891 (write_subroutine): Handle peep2.
20892 (write_tree_1): Likewise.
20893 (write_tree): Likewise.
20895 (change_state): New arg afterward. Update all callers.
20896 Handle matching separate insns.
20897 * recog.c (recog_next_insn): New.
20898 (peephole2_optimize): New.
20899 * rtl.def (DEFINE_PEEPHOLE2): New.
20900 * resource.c (find_free_register): New argument last_insn. Use it
20901 to find a register available through the entire span.
20902 * resource.h (find_free_register): Update prototype.
20904 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
20906 * i386.c (output_strlen_unroll): Don't write xops[7]
20907 label if it wasn't set.
20909 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
20911 * cpplib.c (struct directive): Const-ify name pointer and
20912 function pointer prototype.
20913 (validate_else, do_define, do_line, do_include, do_undef,
20914 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
20915 do_elif, do_endif, do_sccs, do_assert, do_unassert,
20916 do_warning): Const-ify second arg.
20917 (directive_table): Mark const. Reorder entries by frequency
20918 of usage, record statistics.
20920 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
20922 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
20923 bounds- check RTL accesses if --enable-checking.
20924 (RTVEC_ELT): Bounds check if --enable-checking.
20925 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
20926 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
20927 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
20929 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
20930 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
20932 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
20933 (NOTE_SOURCE_FILE): Use X0STR.
20934 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
20935 MEM_ALIAS_SET): Use X0INT.
20936 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
20937 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
20939 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
20940 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
20941 (rtl_check_failed_bounds, rtl_check_failed_type1,
20942 rtl_check_failed_type2, rtvec_check_failed_bounds): New
20944 (fancy_abort): Fix comment.
20946 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
20947 (cse_insn): Decrement LABEL_NUSES for jump target before
20948 deleting jump insn.
20949 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
20950 * final.c (alter_subreg): Compute regno before changing x to
20951 REG; set REGNO(x) after changing it.
20952 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
20953 notes containing CONST_INTs.
20954 (delete_eh_regions): Use NOTE_EH_HANDLER.
20955 * function.c (put_reg_into_stack): Make reg a MEM before
20957 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
20959 (gen_mem_addressof): Make reg a MEM before initializing it.
20960 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
20962 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
20963 deleting an insn, not after.
20964 (block_alloc): Only look at PATTERN(insn) if we have to, and
20965 only if it's format class 'i'.
20966 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
20967 CONST_INT before using its INTVAL.
20968 * print-rtl.c (print_rtx): Use X0STR.
20969 * regmove.c (fixup_match_1): Don't look at PATTERN of
20970 non-class-'i' insn chain elements.
20971 * reload.c (loc_mentioned_in_p): Take address of
20972 in->fld[1].rtx directly.
20973 * reload1.c (reload): Change reg to a MEM before initializing
20975 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
20977 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
20979 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
20981 * config/mips/mips.c (machine_dependent_reorg): Force a
20982 barrier to output the local constant pool if a barrier hasn't
20983 been found at a natural point in the instruction stream.
20985 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20987 * c-parse.in (language_string): Constify.
20989 * dwarf2out.c (language_string): Remove declaration.
20991 * dwarfout.c (language_string): Likewise.
20993 * toplev.c (language_string, init_parse, finish_parse): Likewise.
20995 * tree.h (language_string, init_parse, finish_parse): Declare.
20997 * i386/sun386.h (language_string): Remove declaration.
20999 * mips.h (language_string): Likewise.
21001 * nextstep.h (language_string): Likewise.
21003 * nextstep21.h (language_string): Likewise.
21005 * rs6000.c (language_string): Likewise.
21007 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21009 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21010 (getpwd.o): Remove target.
21012 * getpwd.c: Delete file. Its in libiberty now.
21014 * dbxout.c (getpwd): Don't prototype.
21015 * dwarf2out.c (getpwd): Likewise
21016 * dwarfout.c (getpwd): Likewise
21017 * final.c (getpwd): Likewise.
21018 * protoize.c (getpwd): Likewise.
21020 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21022 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21024 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21026 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21027 mark_set_resources.
21029 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21031 * fixinc/Makefile.in (subdir): New.
21032 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21035 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21037 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21038 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21041 * invoke.texi: Fix typo.
21043 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21044 changed. Handle autoincrement addressing modes.
21046 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21047 just like we would the virtual incoming args register when
21050 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21052 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21053 path, in .file directive.
21055 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21057 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21060 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21062 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21065 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21067 * tree.c (tree_code_name): Constify a char*.
21069 * tree.h (tree_code_name, decl_printable_name): Likewise.
21071 * function.h (struct function): Likewise.
21073 * toplev.c (decl_name, decl_printable_name): Likewise.
21075 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21077 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21078 (init_objc): Remove function pointer cast.
21080 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21082 * pa.md (interspace_jump): New pattern.
21083 (builtin_longjmp): New expander.
21085 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21087 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21088 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21089 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21091 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21093 * jump.c (delete_prior_computation): Also check calls
21094 to constant functions. Don't bother checking for a
21095 REG_UNUSED note before adding it.
21096 (delete_computation): Handle multi-word hard registers
21097 when synthesizing missing REG_DEAD notes for a register
21098 which is both set and used by an insn.
21100 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21102 * loop.c (this_loop_info): New variable.
21103 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21104 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21106 (prescan_loop, strength_reduce): New argument loop_info. All callers
21108 (scan_loop): New variable loop_info, initialise to address of
21110 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21111 Delete variable loop_has_multiple_exit targets and replace with
21112 field in this_loop_info.
21113 (find_and_verify_loops): Rename this_loop to this_loop_num.
21114 (strength_reduce): Delete loop_iteration_info. Replace variable
21115 loop_info with function argument of same name.
21116 (insert_bct): Rework test for loop being completely unrolled.
21118 * loop.h (struct loop_info): New fields num, loops_enclosed,
21119 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21120 has_indirect_jump, and cont. Redefine use of unroll_number.
21121 (loop_unroll_number): Delete.
21123 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21124 field of loop_info.
21125 (loop_iterations): Delete variable vtop and instead use
21126 loop_info->vtop computed in prescan_loop.
21128 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21130 * fix-header.c (main): Do not pass a null pointer to strcmp.
21132 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21134 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21136 * configure: Rebuilt.
21138 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21140 * jump.c (jump_optimize_1): Do not delete assignments to
21141 internal_arg_pointer.
21142 * cse.c (delete_trivially_dead_insns): Always consider a set of
21143 the internal_arg_pointer live.
21145 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21147 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21148 (update_life_info) [REG_WAS_0]: Search the original insns rather
21149 than the new insns for the note. Fix typos finding note_dest.
21150 If no dest found, discard the note rather than abort.
21151 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21152 (replace_insns): Remove the old insn list after update_life_info
21155 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21157 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21158 sched_analyze_insn.
21159 (sched_analyze_1): Let add_dependence care for not adding dups.
21160 (sched_analyze_2): Likewise.
21161 (add_branch_dependences): Likewise.
21163 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21165 * i386/winnt.c (export_list): New type.
21166 (exports_head): Rename to
21167 (export_head): this.
21168 (i386_pe_record_exported_symbol): Add is_data flag.
21169 (i386_pe_asm_file_end): Emit directive for exported variables.
21170 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21172 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21173 (ASM_DECLARE_OBJECT_NAME): Likewise.
21174 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21175 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21177 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21179 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21181 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21184 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21186 * config/openbsd.h: Define SET_ASM_OP.
21187 * tm.texi: cross-reference SET_ASM_OP in the index.
21189 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21191 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21192 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21193 and class_narrowest_mode at compile time. Kill init_rtl.
21194 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21195 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21196 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21198 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21200 * rtl.h: Declare rtx_length and rtx_format as const.
21201 * machmode.def: Define CC(). Use CC() to define CCmode. If
21202 EXTRA_CC_MODES is defined, expand it here.
21203 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21204 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21205 const. Kill all references to EXTRA_CC_MODES.
21207 * toplev.c: Don't prototype or call init_rtl.
21208 * optabs.c: Don't call init_mov_optab.
21209 * genemit.c: Don't generate init_mov_optab. Don't call
21211 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21213 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21214 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21215 genrecog.c: Don't call init_rtl.
21217 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21218 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21219 definition of EXTRA_CC_MODES.
21221 * md.texi: Kill ref to EXTRA_CC_NAMES.
21222 * tm.texi: Document new way to define EXTRA_CC_MODES.
21224 * genrecog.c: Do not look up the name of a define_split.
21225 (Unrelated bugfix.)
21227 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21229 * config/v850/v850.md: Fix typo introduced by previous delta.
21231 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21233 * gcc.c (fatal): Make definition static to match prototype.
21235 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21237 * combine.c (get_last_value): Don't look for earlier sets if the last
21238 known set is somewhere in between the insns being combined.
21240 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21242 * configure.in: Don't use shell ! to negate exit codes
21243 * configure: Regenerate
21245 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21247 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21248 the fact that ALIGN is measured in bits, not bytes.
21250 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21252 * errors.c: New file; defines functions error, warning, and
21253 fatal, variables have_error and progname.
21254 * errors.h: New file; prototypes and decls for stuff in errors.c.
21256 * Makefile: Add rules to build errors.o and
21257 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21258 genopinit, genrecog, genextract, genpeep, genattr, and
21259 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21260 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21261 genpeep.o, genattr.o, and genoutput.o.
21263 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21264 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21265 define or prototype fatal. Set progname at beginning of main.
21266 * genoutput.c: Likewise, and don't define or prototype error
21269 * c-typeck.c (c_expand_start_case): Return immediately if exp
21271 * fold-const.c (operand_equal_p): Return immediately if arg1
21272 or arg0 are ERROR_MARKs.
21273 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21274 fields of type ERROR_MARK when calculating if the record can
21277 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21278 with much help from Jeffrey A Law and Richard Henderson
21280 * i386.md: In the 6 insns which call output_fix_trunc,
21281 earlyclobber operands[0].
21283 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21285 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21286 creating new registers.
21288 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21290 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21291 i386_reg_alloc_order, i386_regparm_string,
21292 i386_align_loops_string, i386_align_jumps_string,
21293 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21294 and i386_branch_cost_string as type "const char *".
21295 * i386.c: Define all above strings as type "const char *".
21297 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21299 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21300 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21302 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21304 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21305 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21307 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21309 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21310 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21311 (dwarf2out_line, dwarf2out_finish): Likewise.
21312 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21314 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21316 * tree.c (lang_unsave_expr_now) : Correct return type.
21317 * tree.h (lang_unsave_expr_now) : Same.
21319 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21321 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21322 instead of duplicating code.
21324 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21326 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21328 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21330 * tree.h: fancy_abort always takes three args.
21331 * resource.c: Move include of system.h before toplev.h.
21333 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21335 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21338 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21340 * system.h: Don't redefine abort or trim_filename.
21341 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21342 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21343 whether or not __FUNCTION__ is available.
21344 * tree.h: Duplicate rtl.h's definition of abort, for files
21345 that don't include rtl.h. Delete all code to perform type
21346 checking with a compiler other than GCC.
21347 * varray.h: Delete all code to perform type checking with a
21348 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21349 its arguments exactly once, using a statement expression.
21350 Adjust the VARRAY_<type> accessor macros to match.
21351 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21352 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21353 caller's location. Define fatal_insn and fatal_insn_not_found
21354 as macros that use _fatal_insn and _fatal_insn_not_found.
21355 (fancy_abort, trim_filename): Kill prototypes.
21357 * rtl.c (trim_filename): Move here from toplev.c.
21358 (fancy_abort): New function.
21359 (DIR_SEPARATOR): Provide default definition.
21360 * tree.c (tree_check_failed, tree_class_check_failed): Go
21361 through fancy_abort.
21362 (tree_check, tree_class_check, cst_or_constructor_check,
21363 expr_check): Delete.
21364 * varray.c (varray_check_failed): New function.
21365 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21366 _fatal_insn and _fatal_insn_not_found. Go through
21368 (trim_filename, fancy_abort): Delete.
21370 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21371 * except.c (start_catch_handler): Report ICE with error/abort
21373 * final.c (output_operand_lossage): Likewise.
21374 * flow.c (verify_flow_info): Likewise.
21376 * gcc.c: Prototype fatal.
21377 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21378 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21379 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21380 Don't define fancy_abort.
21382 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21384 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21387 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21389 * m88k.h (VERSION_INFO2): Kill.
21390 (VERSION_STRING): Kill.
21392 (VERSION_INFO1): Tidy.
21393 (TARGET_VERSION): Update.
21394 * m88k/dgux.h (VERSION_INFO2): Kill.
21395 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21396 * m88k/luna.h (VERSION_INFO1): Tidy.
21397 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21398 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21399 (output_file_start): Adjust for death of VERSION_STRING.
21401 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21403 * cpplib.c (detect_if_not_defined): New function.
21404 (do_if): Use it to detect potential once-only headers.
21406 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21408 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21410 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21412 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21413 anywere in the function only if they are pseudos and set before
21414 being used (not live at the start of the function).
21415 (num_sign_bit_copies) : Same.
21416 (get_last_value_validate) : Same.
21417 (get_last_value) : Same.
21419 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21421 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21422 where N and M are constant and N is an integer multiple of M.
21424 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21426 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21427 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21428 sbitmap_union_of_preds): Add prototypes.
21429 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21430 the intersection of successors with the new flow graph structures.
21431 (sbitmap_intersection_of_preds): New function to compute the
21432 intersection of predecessors with the new flow graph structures.
21433 (sbitmap_union_of_succs): New function to compute the union of
21434 successors with the new flow graph structures.
21435 (sbitmap_union_of_preds): New function to compute the union of
21436 predecessors with the new flow graph structures.
21437 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21438 (expr_reaches_here_p): Use edge and basic_block structures instead
21439 of s_preds and s_succs.
21440 (compute_cprop_avinout): Use new sbitmap routines.
21441 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21442 of s_preds and s_succs.
21443 * flow.c (compute_flow_dominators): Compute dominators using
21444 edges and basic blocks instead of s_preds and s_succs.
21446 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21448 * lists.c (unused_insn_list, unused_expr_list): New file for
21449 maintaining various types of lists. New statics for maintaining a
21450 cache of available INSN_LIST and EXPR_LIST nodes.
21451 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21452 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21453 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21454 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21455 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
21456 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
21457 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
21458 (free_INSN_LIST_node): Free an individual INSN_LIST node.
21459 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
21460 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
21461 (remove_dependence, free_pending_lists): Use new global routines.
21462 (flush_pending_lists, sched_analyze_insn): Use new global routines.
21463 (sched_analyze, compute_block_backward_dependences): Use new routines.
21464 (sched_analyze_1, sched_analyze_2): Use new routines.
21465 (schedule_insns): Use new global routines.
21466 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
21468 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
21469 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
21471 * toplev.c (rest_of_compilation): Initialize node cache.
21472 * Makefile.in (OBJS): Add lists.o to list of object files.
21473 (lists.o): Add dependancies.
21475 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
21477 * config/v850/v850.md: Fix compile time warning messages.
21478 * config/v850/v850.c: Fix compile time warning messages.
21479 * config/v850/v850.h: Fix compile time warning messages.
21481 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21483 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
21484 Remove unused prototype for `init_lengths'.
21486 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21488 * calls.c (emit_call_1): Mark parameter `stack_size' with
21490 (expand_call): Initialize variable `insn'.
21491 (emit_library_call): Likewise for variable `high_to_save'.
21492 (emit_library_call_value): Likewise.
21493 (store_one_arg): Likewise for variables `lower_bound' and
21496 * combine.c (try_combine): Likewise for variables `i2_code_number'
21497 and `other_code_number'.
21498 (find_split_point): Likewise for variables `pos', `unsignedp' and
21500 (simplify_if_then_else): Likewise for variables `op' and `c1'.
21501 (simplify_and_const_int): Remove unused variable `width'.
21502 (merge_outer_ops): Likewise.
21504 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
21505 HOST_WIDE_INT' when comparing against one.
21506 (simplify_relational_operation): Likewise.
21507 (cse_insn): Initialize variables `src_eqv_volatile',
21508 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
21510 * final.c (init_final): Constify parameter `filename'.
21511 (final_start_function): Mark parameter `optimize' with
21513 (profile_function): Likewise for parameters `first' and `optimize'.
21514 (output_source_line): Likewise for parameter `file'.
21516 * integrate.c (subst_constants): Cast a value to `size_t' when
21517 comparing against one.
21518 (mark_stores): Initialize variable `mode'. Cast a value to
21519 `size_t' when comparing against one.
21521 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
21523 * loop.c (move_movables): Initialize variable `first'.
21524 (strength_reduce): Likewise for variable `increment'.
21525 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
21526 value to `size_t' when comparing against one.
21527 (load_mems): Initialize variable `end_label'.
21529 * output.h (init_final): Constify parameter.
21531 * reload.c (decompose): Initialize variable `base'.
21533 * reload1.c (reload): Likewise for variable `is_scalar'.
21534 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
21535 (choose_reload_regs): Initialize variable `mode'.
21536 (emit_reload_insns): Likewise for variable `store_insn'.
21537 (reload_cse_noop_set_p): Mark parameter `insn' with
21539 (reload_combine): Initialize variable `set'.
21541 * unroll.c (unroll_loop): Likewise for variable `local_label'.
21542 (copy_loop_body): Cast a value to `size_t' when comparing against
21545 * varasm.c (assemble_variable): Initialize variable `size_tree'.
21546 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
21547 (remove_from_pending_weak_list): Mark parameter `name' with
21550 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21552 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
21555 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
21557 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
21558 (ASM_DECLARE_FUNCTION_NAME): Define.
21559 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
21560 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
21561 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
21562 not already defined.
21564 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21566 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
21567 of n_popped when call/call_value are not defined.
21569 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
21571 * tm.texi: GNU CC -> GCC conversion.
21572 (CC1_SPEC): Indicate it is used for all language front ends.
21574 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
21576 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
21577 NOTE_INSN_EH_REGION_END correctly.
21579 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21580 Jeff Law <law@cygnus.com>
21582 * loop.c (strength_reduce): Automatically unroll loops if the
21583 unrolled loop size is smaller than the rolled loop size.
21585 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
21586 and delete comment that code should be rewritten.
21588 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
21590 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
21593 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
21595 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
21597 * fixinc/mkfixinc.sh: Don't fix uwin headers.
21598 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
21599 (LINK_SPEC): Add -u _main when building executables.
21600 (ASM_DECLARE_FUNCTION): Update from Cygwin.
21601 (ASM_FILE_END): Use the default for ix86-pe.
21602 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
21604 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
21606 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
21607 and ASM_CLOSE_PAREN are empty strings.
21609 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
21610 Geoffrey Keating <geoffk@cygnus.com>
21612 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
21613 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
21614 (unprotoize.o): Ditto.
21615 (test-protoize-simple): Don't define STD_PROTO_DIR.
21616 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
21617 changes to make 'test-protoize-simple' pass.
21618 (STD_PROTO_DIR): Remove define.
21619 (STANDARD_EXEC_PREFIX): Supply default define.
21620 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
21621 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
21622 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
21623 (GET_ENV_PATH_LIST): New macro.
21624 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
21625 (do_processing): Initialize default_syscalls_dir using new
21626 macros. Use it to initialize syscalls_absolute_filename.
21628 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
21630 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
21631 B into a register before emit_conditional_move.
21633 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
21635 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
21636 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
21637 multiplicand out of (+ (* a b) (* c d)).
21639 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
21640 Richard Henderson <rth@cygnus.com>
21642 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
21643 (new_insn_dead_notes): Likewise.
21644 (update_n_sets): Likewise.
21645 (update_flow_info): Move to flow.c, renamed to update_life_info;
21646 extend to handle multiple source insns.
21647 * flow.c: Include resource.h
21648 (unlink_insn_chain): New.
21649 (split_hard_reg_notes): New.
21650 (maybe_add_dead_note): New.
21651 (maybe_add_dead_note_use): New.
21652 (find_insn_with_note): New.
21653 (new_insn_dead_notes): New.
21654 (update_n_sets): New.
21655 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
21656 (maybe_remove_dead_notes): New.
21657 (update_life_info): New.
21658 (prepend_reg_notes): New.
21659 (replace_insns): New.
21660 * output.h (update_life_info): Declare.
21661 * recog.c (split_block_insns): Use update_life_info.
21662 * resource.c (find_free_register): Use reg_alloc_order, don't use
21663 fixed regs, make sure the mode is supported, don't use new regs.
21665 * rtl.h (replace_insns): Declare.
21667 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
21669 * expr.c (expand_expr): Cope with COND_EXPRs with one
21670 non-returning branch.
21672 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
21674 * expr.c (store_expr): Always pass down the target, even when not
21677 1999-08-24 Nick Clifton <nickc@cygnus.com>
21679 * configure.in: Define target_cpu_default for v850 targets.
21680 * configure: Regenerate
21682 * config/v850/v850.h (TARGET_CPU_generic): Define.
21683 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
21684 addresses are 4 byte aligned.
21686 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
21689 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21691 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
21692 (main): Add prototypes.
21694 * genattrtab.c (substitute_address, write_const_num_delay_slots,
21695 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
21696 (write_attr_get): Emit prototypes along with function definition.
21697 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
21698 (write_complex_function): Emit static prototype along with
21699 function definition.
21701 * genemit.c (gen_split): Emit prototypes along with function
21704 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
21705 Likewise for predicates and `insn_operand_predicate'.
21706 (process_template): Emit static prototype along with function
21709 * genrecog.c (make_insn_sequence): Constify a char*. Add
21710 prototypes for get_split_*().
21711 (write_subroutine): Emit prototypes along with function
21714 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21716 * gcse.c (find_avail_set): Follow chains of register-register copies.
21717 Use oprs_not_set_p to guarantee that the returned value can be
21719 (cprop_insn): Don't verify the return value of find_avail_set with
21722 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
21723 (cprop_cc0_jump): New function.
21724 (cprop_insn): Break out new function cprop_jump and use it.
21725 Also use cprop_cc0_jump for machines with CC0.
21726 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
21728 * tree.h (current_function_calls_setjmp,
21729 current_function_calls_longjmp): Delete declarations.
21730 * dsp16xx.c: Include "function.h".
21731 * elxsi.c: Likewise.
21732 * gmicro.c: Likewise.
21733 * h8300.c: Likewise.
21734 * i370.c: Likewise.
21735 * m32r.c: Likewise.
21736 * mn10200.c: Likewise.
21737 * mn10300.c: Likewise.
21738 * ns32k.c: Likewise.
21739 * spur.c: Likewise.
21740 * v850.c: Likewise.
21742 * rtl.h (rtx_equal_function_value_matters): Declare.
21743 * toplev.c (rtx_equal_function_value_matters): Don't declare.
21745 * function.c: Likewise.
21746 * emit-rtl.c: Likewise.
21748 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
21750 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
21753 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21755 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
21758 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
21760 * cpp.texi: Add a node documenting macro varargs (copied
21763 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
21765 * cppspec.c: Put a null pointer at the end of the new argv.
21767 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
21769 * configure.in: Remove code to select/de-select the haifa
21770 scheduler. Every scheduled port gets haifa now.
21771 * configure: Rebuilt.
21772 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
21774 * Makefile.in: Corresponding changes.
21776 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21778 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
21779 All callers changed.
21780 (prepare_float_lib_cmp): Likewise.
21781 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
21782 * expr.h (emit_float_lib_cmp): Delete declaration.
21783 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
21784 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
21785 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
21787 (cmptf): Now conditional on TARGET_HARD_QUAD.
21789 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
21791 * resource.c (mark_target_live_regs): Use
21792 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
21794 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21796 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
21798 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
21800 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
21802 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21804 * rtl.h (rtx_format): Constify a char*.
21806 * rtl.c (rtx_format): Likewise.
21807 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
21808 (init_rtl): Use accessor macro, not `rtx_format'.
21810 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
21813 * caller-save.c (mark_referenced_regs): Likewise.
21815 * combine.c (subst, make_compound_operation, known_cond,
21816 gen_rtx_combine, update_table_tick, get_last_value_validate,
21817 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
21819 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
21820 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
21821 count_reg_usage): Likewise.
21823 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
21826 * final.c (leaf_renumber_regs_insn): Likewise.
21828 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
21829 dump_edge_info, count_reg_references): Likewise.
21831 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
21832 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
21835 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
21836 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
21837 add_label_notes): Likewise.
21839 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
21840 clear_struct_flag, count_sub_rtxs, count_alternatives,
21841 compares_alternatives_p, contained_in_p, walk_attr_value,
21842 write_expr_attr_cache): Likewise.
21844 * genconfig.c (walk_insn_part): Likewise.
21846 * genemit.c (max_operand_1, gen_exp): Likewise.
21848 * genextract.c (walk_rtx): Likewise.
21850 * genflags.c (num_operands): Likewise.
21852 * genoutput.c (scan_operands): Likewise.
21854 * genpeep.c (match_rtx): Likewise.
21856 * genrecog.c (add_to_sequence): Likewise.
21858 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
21861 * integrate.c (save_constants, copy_for_inline,
21862 copy_rtx_and_substitute, subst_constants, restore_constants):
21865 * jump.c (mark_jump_label, invert_exp, redirect_exp,
21866 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
21868 * local-alloc.c (contains_replace_regs, memref_referenced_p):
21871 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
21872 add_label_notes, replace_call_address, count_nonfixed_reads,
21873 invariant_p, find_single_use_in_loop, find_mem_givs,
21874 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
21877 * print-rtl.c (reg_names, print_rtx): Likewise.
21879 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
21881 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
21882 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
21883 print_blocks): Likewise.
21885 * regclass.c (fix_register, record_address_regs,
21886 reg_scan_mark_refs): Likewise.
21888 * regmove.c (stable_but_for_p): Likewise.
21890 * reload.c (loc_mentioned_in_p, operands_match_p,
21891 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
21892 copy_replacements, refers_to_regno_for_reload_p,
21893 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
21894 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
21897 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
21898 delete_address_reloads_1, count_occurrences,
21899 reload_cse_mem_conflict_p, reload_combine_note_use,
21900 add_auto_inc_notes): Likewise.
21902 * resource.c (mark_referenced_resources, mark_set_resources):
21905 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
21906 reg_mentioned_p, regs_set_between_p, modified_between_p,
21907 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
21908 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
21909 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
21910 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
21912 * sched.c (sched_analyze_2, attach_deaths): Likewise.
21914 * stupid.c (stupid_mark_refs): Likewise.
21916 * unroll.c (remap_split_bivs): Likewise.
21918 * varasm.c (mark_constants): Likewise.
21920 * a29k/a29k.c (uses_local_reg_p): Likewise.
21922 * alpha/alpha.c (summarize_insn): Likewise.
21924 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
21925 eliminate_lr2ip): Likewise.
21927 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
21929 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
21930 reg_mentioned_in_mem): Likewise.
21932 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
21933 symbolic_reference_mentioned_p): Likewise.
21935 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
21937 * sh/sh.c (regs_used, mark_use): Likewise.
21939 * vax/vax.c (vax_rtx_cost): Likewise.
21941 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21943 * machmode.h (mode_name): Constify a char*.
21945 * rtl.c (mode_name): Likewise.
21947 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
21949 * optabs.c (init_libfuncs): Constify a char*.
21951 * print-tree.c (mode_name): Remove redundant declaration.
21952 (print_node): Use accessor macro, not `mode_name'.
21954 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
21956 (new_spill_reg): Constify a char*.
21958 * tree.c (mode_name): Remove redundant declaration.
21960 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21962 * rtl.c (rtx_name): Constify a char*.
21964 * rtl.h (rtx_name, fix_sched_param): Likewise.
21966 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
21967 (mypr): Use accessor macro, not `rtx_name'.
21969 * genemit.c (print_code): Constify a char*.
21971 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
21973 * genpeep.c (print_code): Constify a char*.
21975 * genrecog.c (print_code): Likewise.
21977 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
21978 end_bb): Add static prototype.
21979 (draw_edge): Constify a char*.
21980 (end_bb): Remove unused parameter.
21982 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
21983 print_block_visualization): Constify a char*.
21985 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
21987 * c-common.c (c_get_alias_set): Update comment.
21989 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
21991 * linux.h (LIB_SPEC): Added.
21993 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21995 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
21997 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
21999 * tree.c (expr_check): Fix typo in last change.
22001 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22003 * rtl.def (NOTE): Change format to "iuu0n".
22004 (ADDR_DIFF_VEC): Change format to "eEee0".
22005 (ADDRESSOF): Change format to "eit".
22007 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22008 (RTVEC_ELT): Change to match.
22009 (XVECEXP): Use XVEC and RTVEC_ELT.
22010 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22011 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22012 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22013 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22014 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22015 (INTVAL): Use XWINT.
22016 (ADDRESSOF_DECL): Use XTREE.
22017 (SET_ADDRESSOF_DECL): Delete.
22018 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22019 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22020 ifdefed out since 2.6 at least.
22021 (gen_rtvec_vv): Delete prototype.
22023 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22025 (copy_most_rtx): Handle 't' format letter.
22026 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22027 (gen_rtvec_vv): Delete function. All callers changed to use
22028 gen_rtvec_v instead.
22029 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22030 the '0' format letter.
22032 * function.c (gen_mem_addressof): Don't use
22033 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22035 * integrate.c (copy_rtx_and_substitute): Likewise.
22036 Copy 't' slots with XTREE.
22037 (subst_constants): Treat 't' slots like '[swi]' slots.
22038 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22039 * jump.c (rtx_equal_for_thread_p): Likewise.
22040 * rtlanal.c (rtx_equal_p): Likewise.
22041 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22042 only four arguments.
22043 * gengenrtl.c (type_from_format): Provide correct types for
22047 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22048 If a recent gcc is in use (always in stage2 and beyond), use
22049 statement expressions, so we don't make a function call unless
22050 the check fails. Evaluate arguments exactly once.
22051 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22052 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22054 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22055 they evaluate their arguments exactly once, irrespective of
22056 the compiler in use.
22058 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22059 is used by the currently-enabled check macros. This is:
22060 (tree_check_failed, tree_class_check_failed): For gcc.
22061 (tree_check, tree_class_check, cst_or_constructor_check,
22062 expr_check): For other compilers.
22064 * gencheck.c: Do not define any *_CHECK1 macros.
22066 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22067 Mark Mitchell <mark@codesourcery.com>
22069 * c-common.c (c_get_alias_set): Fix support for poitners and
22072 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22074 * alias.c: Include tree.h.
22075 (nonlocal_reference_p, mark_constant_function): New functions.
22076 * flow.c (life_analysis): Call mark_constant_function.
22077 * rtl.h (mark_constant_function): Declare it.
22079 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22081 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22082 unrecognisable switches.
22084 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22086 * loop.c (recombine_givs): Set ix field after sorting.
22087 (recombine_givs): Remove bogus index / giv lockstep looping.
22089 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22091 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22093 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22094 (do_cmp_and_jump): Formatting fixes.
22095 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22096 do_compare_rtx_and_jump instead of compare_from_rtx.
22097 (do_compare_rtx_and_jump): New function; mostly copied from
22099 (do_jump_for_compare): Delete.
22100 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22102 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22103 of compare/do_jump_for_compare pairs.
22104 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22105 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22106 compare_from_rtx/do_jump_for_compare pairs.
22107 (do_jump_by_parts_equality): Likewise.
22108 (do_jump_by_parts_equality_rtx): Likewise.
22109 * expr.h (do_compare_rtx_and_jump): Declare.
22110 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22111 that used to be in emit_cmp_insn.
22112 (cmp_available_p): New function.
22113 (prepare_operand): New function.
22114 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22115 to be in emit_cmp_insn.
22116 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22117 parameters to be pointers; don't emit final compare but modify some of
22118 the values pointed to by the args so the caller can perform the
22119 correct comparison.
22120 (expand_binop): Call emit_store_flag_force with signed forms of
22122 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22123 emit_jump_insn pair.
22124 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22125 emit_cmp_and_jump_insn_1. Call emit_queue.
22126 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22128 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22129 jump sets cc0 before deleting it.
22130 * integrate.c (expand_inline_function): Likewise.
22131 * unroll.c (unroll_loop): Similar changes in several places.
22132 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22133 before deleting it.
22135 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22137 * Makefile.in (insn-recog.o): Update dependencies.
22138 * genrecog.c (main): Make generated file include "function.h".
22140 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22142 * cse.c (cse_insn): Call never_reached_warning when a jump is
22143 changed to be unconditional.
22144 * flags.h: Declare warn_notreached.
22145 * flow.c (delete_block): Call never_reached_warning when
22146 a block is deleted.
22147 * jump.c (delete_barrier_successors): Call never_reached_warning
22148 when we delete everything after a BARRIER.
22149 (never_reached_warning): New function.
22150 * rtl.h: Declare never_reached_warning.
22151 * toplev.c (warn_notreached): New variable.
22152 (lang_independent_options): Set warn_notreached
22153 when -Wunreachable-code.
22154 (compile_file): We need line numbers for -Wunreachable-code.
22156 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22158 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22159 * sched.c (insn_unit): Likewise.
22161 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22163 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22165 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22167 * flow.c (create_edge_list): Use xmalloc, not malloc.
22169 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22171 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22172 C-style comments. Do not lose the character before double slash.
22174 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22176 * basic-block.h (struct edge_list): Stucture to maintain a vector
22178 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22179 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22180 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22181 New function prototypes.
22182 * flow.c (create_edge_list): Function to create an edge list.
22183 (free_edge_list): Discards memory used by an edge list.
22184 (print_edge_list): Debug output showing an edge list.
22185 (verify_edge_list): Internal consistency check for an edge list.
22186 (find_edge_index): Function to find an edge index for a pred and succ.
22188 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22190 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22193 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22195 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22197 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22199 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22201 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22203 * toplev.c (rest_of_compilation): Allow machine dependent
22204 reorganisation pass to place information into the RTL dump
22205 file if it so wishes.
22207 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22209 * explow.c (hard_function_value): Use VOIDmode instead of
22211 * stmt.c (expand_return): Likewise.
22212 * stor-layout.c (get_best_mode): Likewise.
22214 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22215 emit call instead of emit_insn call.
22217 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22219 * configure.in: Handle --disable/enable-win32-registry.
22220 * install.texi: Document --disable/enable-win32-registry.
22221 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22222 (WIN32_REGISTRY_KEY): New macro.
22223 * prefix.c: Use to enable/disable win32-specific code.
22224 (lookup_key): Use versioned key.
22225 * configure: Regenerate.
22226 * config.in: Likewise.
22228 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22230 * cpplib.c (read_line_number): New fn, split out of...
22233 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22235 tree.c (lang_unsave_expr_now) : New.
22236 (unsave_expr_now): Call lang_unsave_expr_now.
22237 tree.h (lang_unsave_expr_now) : New.
22239 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22241 * toplev.c (flag_new_exceptions): On by default.
22243 1999-08-13 Michael Meissner <meissner@cygnus.com>
22245 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22247 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22249 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22250 INTEGER_TYPE with precision==1, it's __java_boolean.
22252 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22254 * global.c (prune_preferences): Move some invariants out of the
22257 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22259 * configure.in (alpha*-dec-osf*): Add osf5.
22261 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22263 * configure.in: Rework handling of ARM GNU/Linux slightly.
22264 (arm*-*-linux-gnuoldld): New target.
22265 * configure: Regenerate.
22266 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22267 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22268 * config/arm/linux-oldld.h: New file.
22269 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22270 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22272 * config/arm/linux-elf.h (ASM_SPEC): Define.
22273 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22274 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22275 for 26-bit APCS and old linker.
22276 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22278 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22279 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22280 don't define `arm' or `arm_elf'.
22281 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22282 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22284 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22286 * rtl.texi: Fix typo.
22288 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22290 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22292 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22294 * extend.texi (C++ Signatures): Remove node.
22295 * invoke.texi: Remove discussion of -fhandle-signatures,
22296 signature, sigof, __signature__, and __sigof__.
22298 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22300 * Makefile.in (JAVAGC): Removed.
22302 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22304 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22306 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22308 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22310 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22312 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22313 a register that is already known to be a pointer.
22315 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22317 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22318 * fixinc/inclhack.sh: Regenerated.
22319 * fixinc/fixincl.sh: Regenerated.
22321 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22323 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22324 Fix documentation of -ansi flag to describe its C++ behavior.
22325 Remove bogus reference to GCC 2.9.
22327 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22329 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22330 note if it is non-NULL.
22332 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22334 * except.h (eh_nesting_info): Add new structure defintion.
22335 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22336 (reachable_handlers, update_rethrow_references): Add function
22338 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22339 a rethrow symbol instead of an integer exception region number.
22340 * flow.c (Make_edges): Use new exception nesting routines to determine
22341 which handlers are reachable from a CALL or asynchronous insn.
22342 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22344 (delete_eh_regions): Update rethrow labels, and don't delete
22345 regions which are the target of a rethrow.
22346 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22347 avoid overloading the SYMBOL_REF_USED flag.
22348 (rethrow_symbol_map): Use new rethrow_ref field.
22349 (rethrow_used): Use new rethrow_ref field.
22350 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22351 of an integer. Fix formatting.
22352 (output_exception_table_entry): Use new rethrow_ref field.
22353 (can_throw): Check for EH_REGION_NOTE before deciding
22354 whether a CALL can throw or not.
22355 (scan_region): Call rethrow_used() instead of accessing data structure.
22356 (update_rethrow_references): New function to make sure only regions
22357 which are still targets of a rethrow are flagged as such.
22358 (process_nestinfo): New static function to initialize a handler
22359 list for a specific region.
22360 (init_eh_nesting_info): New function to allocate and initialize
22361 the list of all EH handlers reachable from all regions.
22362 (reachable_handlers): New function to retrieve the list of handlers
22363 reachable from a specific region and insn.
22364 (free_eh_nesting_info): New function to dispose of a list of
22365 reachable handlers.
22367 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22369 * flow.c (split_edge): Set JUMP_LABEL field.
22370 (commit_one_edge_insertion): Set head correctly for insert_before.
22371 When inserting insns, update insn block numbers if allocated.
22373 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22375 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22376 retry_incomplete_types): Add static prototype.
22377 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22378 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22379 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22380 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22381 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22384 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22385 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22387 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22389 * output.h (assemble_name): Constify a char*.
22391 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22392 assemble_variable, assemble_name): Likewise.
22394 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22396 * arm/pe.c (arm_pe_unique_section): Likewise.
22398 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22400 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22402 * i386/interix.c (i386_pe_unique_section): Likewise.
22404 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22406 * i386/winnt.c (i386_pe_unique_section): Likewise.
22408 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22410 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22412 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22414 * pa/pa.c (output_call): Likewise.
22416 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22418 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22420 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22423 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22426 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22428 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22429 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22431 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22433 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22435 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22437 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22439 * tree.h (lang_identify): Constify a char*.
22440 (print_error_function): Add extern prototype. Constify a char*.
22442 * c-lang.c (lang_identify): Constify a char*.
22444 * objc/objc-act.c (lang_identify): Constify a char*.
22446 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22448 * genpeep.c (main): Make generated file include "function.h".
22449 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22451 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22453 * Makefile.in: Update dependencies.
22454 * alias.c: Include "function.h"
22455 * c-decl.c: Likewise.
22456 * caller-save.c: Likewise.
22457 * calls.c: Likewise.
22458 * combine.c: Likewise.
22460 * explow.c: Likewise.
22461 * final.c: Likewise.
22462 * global.c: Likewise.
22463 * graph.c: Likewise.
22464 * local-alloc.c: Likewise.
22465 * loop.c: Likewise.
22466 * optabs.c: Likewise.
22467 * profile.c: Likewise.
22468 * recog.c: Likewise.
22469 * regclass.c: Likewise.
22470 * regmove.c: Likewise.
22471 * reload.c: Likewise.
22472 * reorg.c: Likewise.
22473 * resource.c: Likewise.
22474 * sched.c: Likewise.
22475 * stupid.c: Likewise.
22476 * config/1750a/1750a.c: Likewise.
22477 * config/a29k/a29k.c: Likewise.
22478 * config/arc/arc.c: Likewise.
22479 * config/arm/arm.c: Likewise.
22480 * config/arm/thumb.c: Likewise.
22481 * config/c4x/c4x.c: Likewise.
22482 * config/clipper/clipper.c: Likewise.
22483 * config/convex/convex.c: Likewise.
22484 * config/fx80/fx80.c: Likewise.
22485 * config/i860/i860.c: Likewise.
22486 * config/m68k/m68k.c: Likewise.
22487 * config/m88k/m88k.c: Likewise.
22488 * config/mips/mips.c: Likewise.
22489 * config/pdp11/pdp11.c: Likewise.
22490 * config/pyr/pyr.c: Likewise.
22491 * config/romp/romp.c: Likewise.
22492 * config/sh/sh.c: Likewise.
22493 * config/tahoe/tahoe.c: Likewise.
22494 * config/vax/vax.c: Likewise.
22495 * config/we32k/we32k.c: Likewise.
22496 * config/sparc/sparc.c: Include "function.h".
22497 (mem_min_alignment): Test current_function rather than
22498 regno_pointer_align.
22499 * config/pa/pa.c: Likewise.
22500 (compute_frame_size): Delete declaration of
22501 current_function_outgoing_args_size.
22502 * config/arc/arc.h (current_function_varargs): Delete declaration.
22503 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
22505 * config/i370/i370.h (current_function_outgoing_args_size): Delete
22507 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
22508 current_function_uses_pic_offset_table.
22509 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
22510 of current_function_returns_pointer.
22511 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22512 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22513 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22514 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22515 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22516 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22517 * config/m88k/m88k.c: Include "function.h"
22518 (call_used_regs, current_function_pretend_args_size,
22519 current_function_outgoing_args_size, frame_pointer_needed): Delete
22521 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
22523 * config/mips/mips.h (current_function_calls_alloca): Delete
22525 * config/mn10200/mn10200.h (current_function_needs_context,
22526 rtx_equal_function_value_matters): Delete declarations.
22527 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
22528 flag_pic): Delete declarations.
22529 * config/pa/pa.h (current_function_pretend_args_size,
22530 current_function_decl): Delete declarations.
22531 * config/pa/som.h (current_function_varargs): Delete declaration.
22532 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
22534 * config/pyr/pyr.h (current_function_pretend_args_size,
22535 current_function_args_size, current_function_calls_alloca): Delete
22537 * config/sh/sh.h (current_function_varargs): Delete declaration.
22538 * config/sparc/sparc.h (current_function_outgoing_args_size,
22539 current_function_calls_alloca, current_function_decl): Delete
22541 * config/spur/spur.h (current_function_pretend_args_size,
22542 current_function_calls_alloca): Delete declarations.
22543 * config/v850/v850.c (current_function_outgoing_args_size): Delete
22545 * config/vax/vms.h (current_function_name): Delete declaration.
22546 * gcse.c: Include "function.h".
22547 (current_function_name, current_function_calls_setjmp): Delete
22549 * haifa-sched.c: Include "function.h".
22550 (forced_labels): Delete declaration.
22551 * jump.c: Likewise.
22552 * reg-stack.c: Likewise.
22553 * reload1.c: Likewise.
22554 * genemit.c (main): Make generated file include function.h.
22555 * genoutput.c (output_prologue): Likewise.
22557 * builtins.c (saveregs_value, apply_args_value): Delete variables.
22558 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
22559 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
22560 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
22561 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
22562 macros for some of them.
22563 (emit_filename, emit_lineno): Delete declarations.
22564 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
22565 regno_pointer_* variables through current_function.
22566 (gen_inline_header_rtx): Delete function.
22567 (save_emit_status): Delete function.
22568 (set_new_last_label_num): New function.
22569 (clear_emit_caches): New function.
22570 (restore_emit_status): Just clear last_labelnum and call
22572 (get_last_insn_anywhere): Variable sequence_stack is now accessed
22573 through macro seq_stack.
22574 (add_insn_after): Likewise.
22575 (add_insn_before): Likewise.
22576 (remove_insn): Likewise.
22577 (pop_topmost_sequence): Likewise.
22578 (in_sequence_p): Likewise.
22579 (start_sequence_for_rtl_expr): Likewise.
22580 (start_sequence): Likewise, and likewise for
22581 sequence_rtl_expr/seq_rtl_expr.
22582 (push_topmost_sequence): Likewise.
22583 (end_sequence): Likewise.
22584 (init_virtual_regs): Now takes a "struct emit_status *" argument.
22585 All callers changed. Store into that pointer instead of globals.
22586 (init_emit): Allocate emit elt of current_function.
22587 Changes for sequence_rtl_expr/sequence_stack renaming.
22588 Call clear_emit_caches instead of doing it in-line.
22589 Access regno_pointer_* variables through current_function.
22590 (init_emit_once) Don't clear sequence_stack.
22592 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
22594 (arg_pointer_save_area): Delete declaration.
22595 (finish_expr_for_function): Renamed from init_queue; no longer static.
22596 (init_expr): Don't call init_queue.
22597 (save_expr_status, restore_expr_status): Delete functions.
22598 (expand_expr): Changes to reflect new layout of struct function.
22599 Don't access current_function_check_memory_usage when current_function
22601 * expr.h (forced_labels, save_expr_regs, saveregs_value,
22602 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
22603 current_function_outgoing_args_size, current_function_arg_offset_rtx,
22604 current_function_uses_const_pool, function_call_count,
22605 current_function_uses_pic_offset_table, nonlocal_labels,
22606 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
22607 current_function_check_memory_usage, nonlocal_goto_handler_slots,
22608 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
22610 (finish_expr_for_function): Declare.
22611 * flags.h (current_function_has_nonlocal_label,
22612 current_function_has_nonlocal_goto, current_function_is_thunk,
22613 current_function_has_computed_jump): Delete declarations.
22614 * flow.c (forced_labels): Delete declaration.
22615 * function.c (current_function_pops_args,
22616 current_function_returns_struct, current_function_returns_pcc_struct,
22617 current_function_needs_context, current_function_calls_setjmp,
22618 current_function_calls_longjmp, current_function_has_nonlocal_label,
22619 current_function_has_nonlocal_goto, current_function_is_thunk,
22620 current_function_has_computed_jump, current_function_calls_alloca,
22621 current_function_contains_functions, current_function_returns_pointer,
22622 current_function_epilogue_delay_list, current_function_args_size,
22623 current_function_pretend_args_size, current_function_arg_offset_rtx,
22624 current_function_outgoing_args_size, current_function_varargs,
22625 current_function_stdarg, current_function_args_info, cleanup_label,
22626 current_function_name, current_function_uses_const_pool,
22627 current_function_instrument_entry_exit, current_function_return_rtx,
22628 current_function_uses_pic_offset_table, nonlocal_labels,
22629 current_function_internal_arg_pointer, current_function_cannot_inline,
22630 current_function_check_memory_usage, function_call_count,
22631 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
22632 nonlocal_goto_stack_level, return_label, save_expr_regs,
22633 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
22634 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
22635 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
22636 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
22637 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
22639 (push_function_context_to): Don't save them. Don't call
22640 save_storage_status, save_emit_status or save_expr_status.
22641 (pop_function_context_from): Don't restore them. Don't call
22642 restore_storage_status or restore_expr_status.
22643 (get_func_frame_size): New function.
22644 (get_frame_size): Use it.
22645 (assign_outer_stack_local): Reflect some member name changes in struct
22647 (put_reg_into_stack): Likewise.
22648 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
22650 (fixup_var_refs): Likewise.
22651 (fix_lexical_addr): Likewise.
22652 (trampoline_address): Likewise.
22653 (prepare_function_start): Clear field inlinable of current_function.
22654 (init_function_for_compilation): New function.
22655 (expand_dummy_function_end): New function.
22656 (expand_function_end): Call finish_expr_for_function.
22657 * function.h (struct emit_status): New; fields moved here from struct
22658 function and from global variables. Add accessor macros for some of
22660 (struct expr_status): Likewise.
22661 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
22662 (struct function): Add fields expr and emit, inlinable, inl_emit,
22663 original_arg_vector, original_decl_initial, inl_last_parm_insn,
22664 inl_max_label_num. Add many comments.
22665 Add accessor macros for all elts of struct function that no longer
22666 have a global variable.
22667 (cleanup_label, return_label, frame_offset, tail_recursion_label,
22668 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
22669 stack_slot_list): Delete declarations.
22670 (get_func_frame_size): Declare.
22671 (save_expr_status, restore_expr_status, save_emit_status,
22672 save_storage_status, restore_storage_status): Delete declarations.
22673 (init_virtual_regs): Declare.
22674 * output.h (current_function_pops_args,
22675 current_function_returns_struct, current_function_returns_pcc_struct,
22676 current_function_needs_context, current_function_calls_setjmp,
22677 current_function_calls_longjmp, current_function_calls_alloca,
22678 current_function_has_nonlocal_label, current_function_varargs,
22679 current_function_has_computed_jump, current_function_returns_pointer,
22680 current_function_contains_functions, current_function_args_size,
22681 current_function_pretend_args_size, current_function_stdarg,
22682 current_function_outgoing_args_size, current_function_args_info,
22683 current_function_name, current_function_return_rtx,
22684 current_function_epilogue_delay_list,
22685 current_function_uses_const_pool, current_function_cannot_inline):
22686 Delete declarations.
22687 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
22688 regno_reg_rtx): Delete declaration.
22689 (REGNO_POINTER_FLAG): Delete macro.
22690 * stmt.c (expand_goto): Changes to reflect that some fields in struct
22691 function were renamed.
22692 * stor-layout.c (save_storage_status, restore_storage_status): Delete
22694 * toplev.c: Include "function.h".
22695 (current_function_decl): Delete declaration.
22696 (compile_file): Call init_dummy_function_start and
22697 expand_dummy_function_end around some initializations that need to
22699 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
22700 Call init_function_for_compilation.
22701 * unroll.c: Include "function.h"
22702 (unroll_loop): Access regno_pointer_* variables through
22705 * tree.h (struct tree_decl): Add elt f to saved_insns member.
22706 (DECL_SAVED_INSNS): use it.
22707 (expand_dummy_function_end): Declare.
22708 (init_function_for_compilation): Declare.
22709 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
22710 that it's no longer an INLINE_HEADER.
22711 (expand_call): Likewise.
22712 * integrate.c (finish_inline): Delete function.
22713 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
22714 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
22715 args. Don't generate an INLINE_HEADER rtx, just return the arg
22716 vector. All callers changed.
22717 (save_for_inline_copying): Create a duplicate struct emit_status to
22718 hold the emit state for compiling the current function. Use this and
22719 the other new fields in struct function that are for integration
22720 instead of an INLINE_HEADER.
22721 Use memcpy instead of bcopy.
22722 Store the current struct function in DECL_SAVED_INSNS of fndecl.
22723 (save_for_inline_nocopy): Similar changes, except no new emit_status
22725 (expand_inline_function): Get information from function structure,
22726 not from an inline header rtx.
22727 (output_inline_function): Lose code to extract the necessary
22728 information from an inline header; simply put back the function
22729 structure into current_function. Clear its inlinable elt.
22730 * rtl.def (INLINE_HEADER): Delete.
22731 * rtl.h: Delete all accessors for an INLINE_HEADER.
22732 (gen_inline_header_rtx): Delete declaration.
22733 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
22734 Delete declarations.
22735 (REGNO_POINTER_ALIGN): Delete.
22736 (clear_emit_caches): Declare.
22737 (set_new_last_label_num): Declare.
22739 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
22741 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
22743 * except.c (expand_eh_region_start_for_decl): Always start a new block.
22744 * stmt.c (is_eh_region): Make sure current_function is present, too.
22746 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
22748 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
22749 for 64bit PA targets.
22751 * pa.h (SELECT_SECTION): Define.
22752 * som.h (SELECT_SECTION): Delete.
22754 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22756 * alias.c (init_alias_analysis): Wrap call to
22757 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
22759 1999-08-07 Bruce Korb <autogen@linuxbox.com>
22761 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
22762 <sys/asm.h> contains an asm comment with an apostrophe
22763 * fixinc/inclhack.sh: regen
22764 * fixinc/fixincl.x: regen
22766 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
22768 * function.c (init_function_start): Clear prologue & epilogue.
22769 (prologue_epilogue_contains): New function.
22770 * alias.c (init_alias_analysis): Use it.
22771 * rtl.h (prologue_epilogue_contains): Declare it.
22773 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
22775 * jump.c (onlyjump_p): New function.
22776 * rtl.h: Declare it.
22777 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
22778 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
22780 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
22782 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
22783 to invert loops. Simplify block scanning.
22785 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22787 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
22788 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
22790 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
22792 * config/sparc/liteelf.h: New file to support sparclite-elf target
22793 * config/sparc/t-sp86x: New file to support sparc86x targets
22794 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
22795 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
22796 * configure.in: Support above target triplets
22797 * configure: Regenerated
22799 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
22801 * fixinc/server.c (server_setup): Do not prefix function used as
22802 parameter with `&'.
22804 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
22806 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
22807 Remove fp reg alternatives.
22809 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
22811 * Makefiin (TAROUTOPTS): Kill.
22812 (install-headers-tar): Use "xpf" for tar headerfile extraction
22813 * i370/x-oe (TAROUTOPTS): Delete.
22814 * m68k/x-apollo68 (TAROUTOPTS): Delete.
22815 * m68k/x-hp320 (TAROUTOPTS): Delete.
22816 * m68k/x-hp320g (TAROUTOPTS): Delete.
22817 * gcc.texi: Update bug reporting text.
22819 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22821 * reg-stack.c (change_stack) Fixed problem with negative array index.
22823 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
22825 * extend.texi, install.texi: Fix spelling mistakes.
22827 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
22828 (s-attrtab); No longer try to use pre-made insn-attrtab file.
22829 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
22830 PREMADE_ATTRTAB_MD.
22831 * mips/t-ecoff: Likewise.
22832 * mips/t-elf: Likewise.
22833 * mips/t-mips: Likewise.
22834 * mips/t-osfrose: Likewise.
22835 * mips/t-r3900: Likewise.
22836 * mips/t-svr3: Likewise.
22837 * mips/t-svr4: Likewise.
22838 * mips/t-ultrix: Likewise.
22840 * gcc.texi: Document recommend means to provide software floating
22841 point libraries in libgcc.a
22843 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
22845 * c-lex.c (yylex): We can have a number with no digits.
22847 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
22849 * jump.c (delete_prior_computation): New function, broken
22850 out of delete_computation. Check for side effects with
22851 side_effects_p instead of FIND_REG_INC_NOTE. Handle
22852 multi-word hard registers.
22853 (delete_computation): Use it. Check for side effects with
22854 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
22855 missing REG_DEAD note for a register which is both set and
22858 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
22860 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
22861 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
22862 (ASM_FILE_START): Import _mcount with the right type.
22863 (ASM_DECLARE_FUNCTION_NAME): Define.
22864 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
22865 * pa.c (output_function_prologue): Always emit the function's label
22867 * pa.h (TEXT_SPACE_P): Define.
22868 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
22869 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
22870 * som.h (TEXT_SPACE_P): Delete.
22871 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
22872 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
22874 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
22876 * expr.c (emit_group_load): Allow src to be a CONCAT.
22878 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22880 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
22881 (___mulsi3): Use '!' comment character.
22883 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22885 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
22887 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
22889 * gcc.c: Update URLs and mail addresses.
22890 * gcc.texi: Likewise.
22892 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
22894 * rs6000.c (current_file_function_operand): Return zero for
22896 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
22898 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
22901 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
22903 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
22904 allocate space in the stack frame for the PIC register.
22906 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
22908 * m68k.md (xordi3, anddi3): These patterns are not available on
22911 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
22913 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
22914 (PUT_REAL): Likewise.
22916 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22918 * final.c (shorten_branches): Don't add an alignment for loops
22919 that have no label inside.
22921 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22923 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
22924 prototypes in macro HAVE_cmpstrsi.
22926 * cpplib.c (cpp_get_token): Remove unused label `op3'.
22928 * emit-rtl.c (operand_subword): Remove unused variable
22931 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
22933 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
22935 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
22937 * cpphash.c (macroexpand): Delete leading whitespace when arg
22938 is concatenated before.
22939 (unsafe_chars): Correct test for whether + and - can extend a
22942 * cppinit.c (cpp_start_read): Do dependencies for
22943 -include/-imacros files also.
22945 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
22946 tokenizing non-directive lines.
22947 (cpp_expand_to_buffer): Temporarily disable no-output mode.
22948 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
22951 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
22953 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
22955 * c-lex.c: Sync with C++ frontend.
22956 (linemode): New variable.
22957 (parse_float): imag, conversion_errno, and type are output only.
22958 (yylex): Adjust. Move initial '.' case into main switch.
22960 (handle_generic_pragma): Just deal with tokens.
22961 (readescape): Use ISXDIGIT and ISGRAPH.
22962 * c-parse.in: Add END_OF_LINE token.
22964 * c-lex.c (lang_init): Generalize.
22965 (nextchar): Remove. Replace uses with UNGETC.
22966 (skip_white_space): Handle linemode here. Optimize for cpplib.
22967 (skip_white_space_on_line): Remove.
22968 (extend_token_buffer_to): New fn.
22969 (extend_token_buffer): Use it.
22970 (read_line_number, check_newline): Just deal with tokens.
22971 (token_getch, token_put_back): New fns.
22972 (yylex): Use them. More cpplib optimizations. Simplify.
22974 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22975 Jason Merrill <jason@yorick.cygnus.com>
22977 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
22978 (consume_string): Make this smart about USE_CPPLIB.
22979 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
22980 (yylex): Rewrite to be intelligent about USE_CPPLIB.
22981 Also, clean up cases where we redundantly set token_buffer[0].
22982 (read_line_number): New fn.
22983 (ignore_escape_flag): New variable.
22985 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
22987 * a29k/t-a29kbare: Fix some comments.
22988 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
22989 (FPBIT, DPBIT): Define.
22990 * a29k/t-vx29k: Likewise.
22991 * arc/t-arc: Likewise.
22992 * arm/t-arm-elf: Likewise.
22993 * arm/t-bare: Likewise.
22994 * arm/t-pe: Likewise.
22995 * arm/t-pe-thumb: Likewise.
22996 * arm/t-semi: Likewise.
22997 * arm/t-thumb: Likewise.
22998 * arm/t-thumb-elf: Likewise.
22999 * arm/t-thumb-linux: Likewise.
23000 * h8300/t-h8300: Likewise.
23001 * i960/t-i960: Likewise.
23002 * i960/t-vxworks960: Likewise.
23003 * m32r/t-m32r: Likewise.
23004 * mips/t-ecoff: Likewise.
23005 * mips/t-elf: Likewise.
23006 * mips/t-r3900: Likewise.
23007 * pa/t-pro: Likewise.
23008 * rs6000/t-aix43: Likewise.
23009 * rs6000/t-beos: Likewise.
23010 * rs6000/t-newas: Likewise.
23011 * rs6000/t-ppccomm: Likewise.
23012 * rs6000/t-rs6000: Likewise.
23013 * rs6000/t-winnt: Likewise.
23014 * rs6000/t-xnewas: Likewise.
23015 * rs6000/t-xrs6000: Likewise.
23016 * sh/t-sh: Likewise.
23017 * sparc/t-elf: Likewise.
23018 * sparc/t-sparcbare: Likewise.
23019 * sparc/t-sparclite: Likewise.
23020 * sparc/t-splet: Likewise.
23021 * v850/t-v850: Likewise.
23022 * mn10200/t-mn10200: Fix comments.
23023 * mn10300/t-mn10300: Likewise.
23025 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23026 dummy operand. Allocate a new pseudo for the dummy operand.
23027 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23029 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23031 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23033 * configure: Rebuilt.
23034 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23036 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23038 * recog.c (preproces_constraints): Zero recog_op_alt before
23039 processing the constraints.
23041 * arm.c (typedef minipool_node): Renamed from pool_node.
23042 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23043 (add_minipool_constant): New function.
23044 (dump_minipool): New function.
23045 (find_barrier): Remove special case for getting the insn size of
23046 an insn that references the constant pool.
23047 (minipool_fixup): New structure.
23048 (push_minipool_barrier): New function.
23049 (push_minipool_fix): New function.
23050 (note_invalid_constants): New function.
23051 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23052 (arm_reorg): Rewrite code to fix up the constant pool into a
23053 series of mini-pools embedded in the insn stream.
23054 (arm_output_epilogue): New function, made mainly from the body
23055 of output_func_epilogue.
23056 (output_func_epilogue): Move insn generation part of epilogue code
23057 to arm_output_epilogue.
23058 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23059 * arm.md (pool_range): New attribute.
23060 (zero_extendqidi2): Add attribute pool_range.
23061 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23062 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23063 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23064 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23065 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23066 (epilogue): New expand.
23067 (epilogue_insn): New insn. Call arm_output_epilogue.
23069 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23070 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23072 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23074 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23076 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23078 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23080 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23082 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23084 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23086 * global.c: Fix comment.
23088 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23090 * gcc.c (access_check): New static function.
23091 (find_a_file): Use it when searching a directory list.
23092 * collect2.c (find_a_file): Don't accept directories found when
23093 searching a directory list.
23095 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23097 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23098 function parameters with `&'.
23099 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23101 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23103 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23104 or tidy_fallthru_edge if the last insn in the block is not
23105 an unconditional jump or a simple conditional jump.
23107 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23109 * Makefile.in (c-decl.o): Depends on defaults.h.
23111 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23113 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23115 (CLASS_MAX_NREGS): Likewise.
23117 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23119 * cse.c (cse_insn): Fix dumb thinko in last change.
23121 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23123 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23126 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23128 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23129 test for sizes of passed and declared parameter types.
23131 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23133 * fixincludes: Fix the return type of bsearch, char* -> void*.
23135 * fixinc/inclhack.def: Likewise.
23137 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23139 * invoke.texi (-fdump-translation-unit): New option.
23141 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23143 * expr.h (PROMOTE_PROTOTYPES): Move ...
23144 * defaults.h: ... to here.
23145 * c-decl.c: Include defaults.h instead of expr.h.
23146 * c-typeck.c: Include defaults.h.
23148 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23150 * toplev.h (errorcount): Declare.
23151 (warningcount): Likewise.
23152 (sorrycount): Likewise.
23153 * c-lex.c (errorcount): Don't declare.
23154 * dwarf2out.c (errorcount): Don't declare.
23156 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23158 * config/libgloss.h: Add a note discouraging use with ELF.
23159 * configure.in: Don't use libgloss.h for ELF targets.
23160 Always use_collect2 on a.out targets.
23162 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23164 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23165 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23167 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23169 * loop.c (strength_reduce): When doing biv->giv conversion, update
23170 reg note of NEXT->insn.
23172 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23174 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23176 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23178 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23179 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23180 Ensure expr.h is included.
23181 * c-typecheck.c (convert_arguments): Ditto.
23183 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23185 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23186 * config/convex/convex.h: Ditto.
23187 * config/dsp16xx/dsp16xx.h: Ditto.
23188 * config/fx80/fx80.h: Ditto.
23189 * config/gmicro/gmicro.h: Ditto.
23190 * config/i370/i370.h: Ditto.
23191 * config/i386/i386.h: Ditto.
23192 * config/m32r/m32r.h: Ditto.
23193 * config/m68k/m68k.h: Ditto.
23194 * config/m88k/m88k.h: Ditto.
23195 * config/mips/mips.h: Ditto.
23196 * config/pa/pa.h: Ditto.
23197 * config/pyr/pyr.h: Ditto.
23198 * config/tahoe/tahoe.h: Ditto.
23199 * config/we32k/we32k.h: Ditto.
23201 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23202 based on arch size.
23204 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23206 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23209 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23211 1999-08-02 Richard Henderson <rth@cygnus.com>
23213 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23214 for the register spill block.
23215 (m32r_va_arg): New.
23216 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23217 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23219 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23220 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23221 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23223 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23225 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23226 MAX_WCHAR_TYPE defined in sparc.h.
23227 * config/sparc/linuxaout.h: Likewise.
23228 * config/sparc/linux64.h: Likewise.
23229 Also default to -mvis if CPU is UltraSPARC.
23231 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23233 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23234 (RTX_OK_FOR_OLO10): Likewise.
23235 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23236 %lo(), allow it in addresses...
23237 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23238 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23239 does not make sense.
23240 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23241 (sparc_output_scratch_registers): New function.
23242 (output_function_prologue, sparc_flat_output_function_prologue): Use
23244 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23246 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23247 * configure.in: Add check for .register pseudo-op support in as and
23248 check for offsetable %lo().
23249 * acconfig.h: Add templates for the above checks.
23250 * configure: Regenerate.
23252 1999-08-02 Richard Henderson <rth@cygnus.com>
23254 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23255 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23256 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23258 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23260 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23263 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23265 * config/float-sparc.h: New file.
23266 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23267 sparc-*-linux-gnu and sparc64-*-linux*.
23269 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23271 * rs6000.c (rs6000_va_list): Type is an array.
23272 (rs6000_va_start): Don't doubly adjust for varargs.
23273 (rs6000_va_arg): Evaluate long long GPR adjustment.
23275 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23277 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23278 -maix64 and -maix32.
23279 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23280 LINK_SPEC): Change appropriately.
23281 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23282 (u_short_cint_operand): Likewise.
23283 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23285 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23287 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23289 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23291 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23292 for type promotion.
23293 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23294 (non_add_cint_operand): Likewise.
23295 (logical_operand): Likewise.
23296 (non_logical_cint_operand): Likewise.
23297 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23298 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23299 (rs6000_select_rtx_section): Suppress warning.
23300 (small_data_operand): Suppress warning.
23301 (rs6000_got_register): Suppress warning.
23302 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23303 type, so `J' is generally the wrong constraint for a SImode value;
23305 (andsi3_internal2): Likewise.
23306 (andsi3_internal3): Likewise.
23307 (iorsi3_internal1): Likewise.
23308 (xorsi3_internal1): Likewise.
23310 (movsf_softfloat): Likewise.
23311 (scc insns): Likewise.
23312 (movsi+2): Preserve sign bits of SImode constant.
23313 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23314 (movdf+1): Sign-extend properly.
23315 (movdi_32+1): Sign-extend properly.
23316 (scc insns): Sign-extend properly.
23318 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23321 1999-08-02 Richard Henderson <rth@cygnus.com>
23323 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23324 -mcpu parsing code.
23325 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23326 * alpha.md (all fp insns): Likewise.
23328 1999-08-02 Nick Clifton <nickc@cygnus.com>
23330 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23333 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23335 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23336 pic_load_label generator directly.
23337 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23338 No longer a named pattern.
23340 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23342 * explow.c (force_reg): Call force_operand if X does not
23343 satisfy general_operand.
23345 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23347 * fix-header.c (main): When testing for CONTINUED, use string
23348 equality, not pointer equality.
23350 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23352 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23354 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23356 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23357 that has become an unconditional jump.
23359 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23360 (output_function_epilogue): Similarly.
23362 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23364 * tree.h (init_dummy_function_start): Declare.
23366 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23368 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23369 last_expr_type, last_expr_value, block_start_count, block_stack,
23370 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23371 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23372 dynamically in stmt elt of struct function for each function.
23373 (struct nesting): Rename function_call_count elt to n_function_calls,
23374 target_temp_slot_level to block_target_temp_slot_level. All users
23376 (struct stmt_status): New structure definition.
23377 Add many accessor macros for stmt_status elements which previously
23378 were global variables.
23379 (init_stmt_for_function): Allocate stmt elt for current_function.
23380 Reflect that block_start_count was renamed to
23381 current_block_start_count.
23382 (save_stmt_status, restore_stmt_status): Delete functions.
23383 (preserve_subexpressions_p): Don't access loop_stack when outside
23385 (expand_start_bindings): Reflect that block_start_count was renamed to
23386 current_block_start_count.
23387 (expand_fixup): Likewise.
23388 (expand_decl): Don't access block_stack when outside a function.
23389 (expand_decl_cleanup): Likewise.
23390 (expand_dcc_cleanup): Likewise.
23391 (expand_dhc_cleanup): Likewise.
23392 (expand_anon_union_decl): Likewise.
23393 (set_file_and_line_for_stmt): New function.
23394 (in_control_zone_p): New function.
23396 * function.h (struct function): Add new elt stmt.
23397 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23398 case_stack, nesting_stack, nesting_depth, block_start_count,
23399 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23400 emit_lineno, goto_fixup_chain.
23401 (save_eh_status, restore_eh_status, save_stmt_status,
23402 restore_stmt_status): Delete declarations.
23403 * function.c (push_function_context_to): Don't call save_stmt_status.
23404 (pop_function_context_to): Don't call restore_stmt_status.
23405 * tree.h (in_control_zone_p): Declare.
23406 * rtl.h (set_file_and_line_for_stmt): Declare.
23408 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23409 call set_file_and_line_for_stmt.
23411 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23413 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23414 Also update copyright.
23416 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23418 * c-pragma.c: Don't include "except.h".
23419 * emit-rtl.c: Likewise.
23420 * stor-layout.c: Likewise.
23421 * tree.c: Likewise.
23422 * varasm.c: Likewise.
23424 * flow.c: Include "function.h".
23425 * tree.h (init_dummy_function_start): Declare new function.
23427 * except.h (struct eh_status): New structure.
23428 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23430 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23431 catch_clauses, false_label_stack, caught_return_label_stack,
23432 protect_list, current_function_ehc): Add accessor macros for the
23433 corresponding fields in current_function->eh; delete declarations
23434 for all items that used to be declared here.
23435 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23436 catch_clauses, false_label_stack, caught_return_label_stack,
23437 protect_list, current_function_ehc): Delete variables.
23438 (init_eh_for_function): Allocate current_function->eh.
23439 (save_eh_status, restore_eh_status): Delete functions.
23441 * function.h (struct function): Add fields next_global and eh.
23442 Delete all exception handling related fields.
23443 * function.c (current_function): New variable.
23444 (all_functions): New variable.
23445 (push_function_context_to): Don't allocate a struct function,
23446 use current_function instead. Call init_dummy_function_start when
23447 outside a function. Clear current_function before returning.
23448 (pop_function_context_from): Restore current_function.
23449 Don't free the restored struct function.
23450 (prepare_function_start): New function.
23451 (init_dummy_function_start): New function.
23452 (init_function_start): Break out some code into prepare_function_start
23455 * stmt.c (save_stmt_status): Don't call save_eh_status.
23456 (restore_stmt_status): Don't call restore_eh_status.
23458 * Makefile.in: Update dependencies.
23460 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
23462 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
23463 of depending on a magic constant value. Update comments.
23464 (hppa_expand_prologue): Similarly.
23466 * pa.md (reload_indi, reload_outdi): Allow any register for the
23467 original reload register.
23469 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
23471 * cccp.c (print_help): Change marcos to macros.
23473 1999-07-30 Richard Henderson <rth@cygnus.com>
23475 * c-typeck.c (initializer_constant_valid_p): Move ...
23476 * c-common.c (initializer_constant_valid_p): ... here. Use
23477 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
23478 of label addresses.
23479 * c-common.h (initializer_constant_valid_p): Declare.
23480 * c-tree.h (initializer_constant_valid_p): Remove.
23482 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
23484 * config/i386/sol2-c1.asm: Align the stack.
23485 * config/i386/sol2-gc1.asm: Likewise.
23487 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
23489 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
23490 -Asparclite for sparc86x.
23491 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
23493 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
23495 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
23497 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
23498 the user if using the non-default arch size in BI_ARCH configuration.
23499 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
23501 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
23502 Fix patterns so that they actually match.
23503 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
23504 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
23505 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
23507 (mulsidi3): Reflect this in the expand.
23508 (smulsi3_highpart): Only on TARGET_ARCH32.
23509 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
23510 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
23511 (umulsidi3): Reflect this in the expand.
23512 (umulsi3_highpart): Only on TARGET_ARCH32.
23513 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
23514 don't require g0 to be zero.
23515 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
23516 ({,u}divsi3): New expands.
23517 ({,u}divsi3_sp64): New patterns.
23518 (after lshrdi3_v8plus): Four new patterns to help combiner
23519 optimizing nested mixed mode shifts.
23521 * config/sparc/sparc.c (sparc_override_options): Use deprecated
23522 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
23523 speed things up. Don't use them by default on plain v9 in 64bit
23524 mode, according to what SPAMv9 sais.
23526 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
23527 top 32 bits of %[og][0-7] in signal handlers.
23528 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
23530 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
23532 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
23533 (ashlsi3): Corresponding changes.
23535 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
23537 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
23539 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
23541 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23543 * arm.h (Hint): Delete macro.
23544 Substitute HOST_WIDE_INT for Hint in some prototypes.
23545 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
23547 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
23549 * builtins.c (expand_builtin_setjmp): Use force_operand to
23550 make sure that the buffer address is in a suitable form to be
23551 passed to force_reg.
23553 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
23555 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
23558 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
23560 * pa.md (indirect_jump): Remove mode from match_operand. Verify
23561 proper mode in the condition string.
23562 (icacheflush, dcacheflush): Remove modes from match_operands.
23564 * pa.c (emit_move_sequence): Always convert scratch_reg to the
23565 proper mode before using it.
23567 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
23570 * pa.c (store_reg): Do not call add_high_const generator directly.
23571 (load_reg, set_reg_plus_d): Likewise.
23572 * pa.md (add_high_const): No longer a named pattern.
23574 * pa.c (legitimize_address): Consistently use Pmode rather than
23575 SImode. Do not call gen_pic2_highpart directly anymore.
23576 * pa.md (pic2_highpart): No longer a named pattern.
23577 (pic2_lo_sum): Similarly. Reformat to make more readable.
23579 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
23584 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23586 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
23588 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
23590 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
23591 and tag the spill mems.
23592 (hppa_va_start): New.
23593 (hppa_va_arg): New.
23594 * pa.h (EXPAND_BUILTIN_VA_START): New.
23595 (EXPAND_BUILTIN_VA_ARG): New.
23597 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
23599 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
23600 and tag the spill mems.
23601 (mn10300_va_start): New.
23602 (mn10300_va_arg): New.
23603 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
23604 (EXPAND_BUILTIN_VA_ARG): New.
23606 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
23608 * mn10200.c (mn10200_va_arg): New.
23609 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
23611 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
23613 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
23614 rather than play with TREE_INT_CST_LOW.
23616 1999-07-27 Philip Blundell <pb@nexus.co.uk>
23618 * config/arm/telf.h: Include dbxelf.h.
23619 (CPP_PREDEFINES): Only define if not already defined.
23620 (ASM_IDENTIFY_GCC): Likewise.
23621 (SUBTARGET_EXTRA_SECTIONS): Likewise.
23622 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
23623 * config/arm/thumb.h (LINK_SPEC): Only define if not already
23625 (DBX_DEBUGGING_INFO): Don't define.
23626 * config/arm/linux-telf.h: New file.
23627 * config/arm/linux-tgas.h: New file.
23628 * config/arm/t-thumb-linux: New file.
23629 * config/arm/uclinux-elf.h: New file.
23630 * config/arm/uclinux-telf.h: New file.
23631 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
23632 thumb-*-uclinux): New targets.
23633 * configure: Regenerate.
23635 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
23637 * pa.md (post_store, pre_load): New expanders.
23638 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
23639 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
23640 need to directly generate RTL for them.
23641 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
23644 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
23646 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
23647 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
23648 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
23649 (secndary_reload_class): Make TARGET_ELF conditional compile.
23650 (print_operand_address): Similar.
23651 (output_toc): Print all values as hex.
23652 (get_issue_rate): Rearrange and add RS64A and PPC630.
23653 * rs6000.h (processor_type): Add RS64A and PPC630.
23654 (PROCESSOR_POWERPC64): New.
23655 (PROMOTE_MODE): Use word_mode.
23656 (RTX_COSTS): Add RS64A and PPC630.
23657 * rs6000.md (scheduling information): Add lmul and ldiv
23658 representing 64-bit integer multiply and divide. Add rs64a and
23659 PPC630 information.
23660 (ashldi3): Add support for "rldic" instruction.
23661 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
23663 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
23665 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
23666 instead of V8 for sparclite86x in cpu_table.
23668 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23670 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
23671 output_file_directive.
23673 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
23675 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
23676 tree for op1, not the rtl.
23678 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
23680 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
23681 to m88k_va_start, leaving only the register spill.
23682 (m88k_build_va_list): New.
23683 (m88k_va_start): New.
23684 (m88k_va_arg): New.
23685 * m88k.h (BUILD_VA_LIST_TYPE): New.
23686 (EXPAND_BUILTIN_VA_START): New.
23687 (EXPAND_BUILTIN_VA_ARG): New.
23689 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
23691 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
23692 Rename from expand_builtin_saveregs.
23693 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
23695 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
23697 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
23698 for the register spill block.
23699 (i960_build_va_list): New.
23700 (i960_va_start): New.
23701 (i960_va_arg): New.
23702 * i960.h (BUILD_VA_LIST_TYPE): New.
23703 (EXPAND_BUILTIN_VA_START): New.
23704 (EXPAND_BUILTIN_VA_ARG): New.
23705 * i960.md (store_multiple): Use change_address on individul mems.
23707 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
23709 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
23711 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
23712 (expand_builtin_va_end): Evaluate arg for side effects.
23713 * c-common.c (c_common_nodes_and_builtins): Construct a
23714 va_list_arg_type_node to handle array decomposition to pointer.
23716 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
23718 * except.c (st_dynamic_cleanup): Use force_operand on the
23721 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
23723 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
23724 * c4x.c (c4x_va_arg): New.
23726 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
23728 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
23729 has manual_pop set.
23731 1999-07-26 Nathan Sidwell <nathan@acm.org>
23733 * eh-common.h (__eh_matcher): Prototype correctly.
23735 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
23737 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
23738 (TARGET_SINGLE_PIC_BASE): Likewise.
23739 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
23741 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
23742 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
23743 (TARGET_OPTIONS): Add -mpic-register=N.
23744 (OUTPUT_INT_ADDR_CONST): New macro.
23745 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
23746 LEGITIMATE_PIC_OPERAND_P): Likewise.
23747 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
23748 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
23749 output_addr_const directly.
23750 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
23752 (thumb_pic_register, thumb_pic_register_string): Declare.
23754 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
23756 (label_mentioned_p): New function: Imported from arm.c.
23757 (legitimize_pic_address): New function: Imported from arm.c.
23758 (is_pic):New function: Imported from arm.c.
23759 (thumb_finalize_pic):New function: Imported from arm.c.
23760 (add_constant): Cope with PIC constants.
23761 (fixit): Cope with PIC constants.
23762 (output_return): Do not treat the PIC register as live if
23763 TARGET_SINGLE_PIC_BASE is true.
23764 (thumb_function_prologue): Do not treat the PIC register as live if
23765 TARGET_SINGLE_PIC_BASE is true.
23766 (thumb_expand_prologue): Do not treat the PIC register as live if
23767 TARGET_SINGLE_PIC_BASE is true.
23768 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
23769 TARGET_SINGLE_PIC_BASE is true.
23770 (thumb_print_operand): Accept '|'.
23771 (thumb_override_options): Process PIC options.
23773 * config/arm/thumb.md (movsi): Support PIC.
23774 (call_insn): Change "i" constraint to "X".
23775 (call_value_insn): Likewise.
23776 (consttable_4, consttable_8, consttable_end): Set and clear
23777 "making_const_table" as appropriate.
23778 (pic_load_addr, pic_add_dot_plus_four): New insns.
23780 * invoke.texi (Thumb Options): Fix spelling. Document new
23781 options -msingle-pic-base and -mpic-register=.
23783 1999-07-26 Andrew Haley <aph@cygnus.com>
23785 * config/m32r/initfini.c (__init): Use a full word immediate for
23786 __fini: this allows it to be placed in any memory region.
23788 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
23789 -mmodel=medium. This is OK for all memory models.
23791 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
23793 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
23794 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
23796 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
23798 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
23801 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
23803 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
23805 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
23806 (BUILD_VA_LIST_TYPE): New.
23807 (EXPAND_BUILTIN_VA_START): New.
23808 (EXPAND_BUILTIN_VA_ARG): New.
23809 * i860.c (output_delayed_branch): Disable.
23810 (output_delay_insn): Likewise.
23811 (i860_saveregs): New.
23812 (i860_build_va_list): New.
23813 (i860_va_start): New.
23814 (i860_va_arg): New.
23815 * i860.md: Disable all peepholes using output_delayed_branch.
23816 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
23818 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
23820 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
23821 (BUILD_VA_LIST_TYPE): New.
23822 (EXPAND_BUILTIN_VA_START): New.
23823 (EXPAND_BUILTIN_VA_ARG): New.
23824 * clipper.c (clipper_builtin_saveregs): Only dump registers.
23825 Return the address of the save area.
23826 (clipper_build_va_list): New.
23827 (clipper_va_start): New.
23828 (clipper_va_arg): New.
23830 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
23832 * arc.h (EXPAND_BUILTIN_VA_START): New.
23833 (EXPAND_BUILTIN_VA_ARG): New.
23834 * arc.c (arc_setup_incoming_varargs): Set alias set of
23836 (arc_va_start): New.
23839 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
23841 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
23842 (BUILD_VA_LIST_TYPE): New.
23843 (EXPAND_BUILTIN_VA_START): New.
23844 (EXPAND_BUILTIN_VA_ARG): New.
23845 * alpha.c (alpha_builtin_saveregs): Delete.
23846 (alpha_build_va_list): New.
23847 (alpha_va_start): New.
23848 (alpha_va_arg): New.
23850 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
23852 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
23854 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
23855 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
23857 * gcc.texi: More changes related to list conversion.
23858 * invoke.texi: Likewise.
23860 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
23862 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
23863 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
23864 (expand_builtin_next_arg): Accept ARGLIST not EXP.
23865 (stabilize_va_list): New function.
23866 (std_expand_builtin_va_start): New function.
23867 (expand_builtin_va_start): New function.
23868 (get_varargs_alias_set): New function.
23869 (std_expand_builtin_va_arg): New function.
23870 (expand_builtin_va_arg): New function.
23871 (expand_builtin_va_end): New function.
23872 (expand_builtin_va_copy): New function.
23873 (expand_builtin): Call them.
23874 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
23875 __builtin_{varargs_start,stdarg_start,end,copy}.
23876 (build_va_arg): New function.
23877 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
23878 (build_va_arg): Declare.
23879 * c-decl.c (ptr_type_node, va_list_type_node): New.
23880 * c-parse.gperf (__builtin_va_arg): New.
23881 * c-parse.in (VA_ARG): New token.
23882 (unary_expr): Recognize it.
23883 * expr.c (expand_expr): Expand VA_ARG_EXPR.
23884 * expr.h (std_expand_builtin_va_start): Declare.
23885 (std_expand_builtin_va_arg): Declare.
23886 (expand_builtin_va_arg): Declare.
23887 (get_varargs_alias_set): Declare.
23888 * tree.def (VA_ARG_EXPR): New.
23889 * tree.h (BUILT_IN_VARARGS_START): New.
23890 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
23891 (ptr_type_node, va_list_type_node): Declare.
23892 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
23893 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
23894 * m88k.h, m88k.c: Likewise.
23895 * mn10300.h, mn10300.c: Likewise.
23896 * pa.h, pa.c: Likewise.
23897 * rs6000.h, rs6000.c: Likewise.
23898 * sh.h, sh.c: Likewise.
23899 * sparc.h, sparc.c: Likewise.
23901 * emit-rtl.c (operand_subword): Copy alias set.
23902 (change_address): Likewise.
23904 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
23906 * pa.c (compute_frame_size): Scan all the used callee saved registers,
23907 not just the first one.
23909 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
23911 * config/arm/arm.h (TARGET_SWITCHES): Add
23912 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
23913 (TARGET_OPTIONS): Add -mpic-register=.
23914 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
23915 (arm_pic_register_string): Declare.
23916 (NEED_PLT_GOT): Delete, replace with ...
23917 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
23918 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
23919 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
23920 * config/arm/arm.c (arm_override_options): Add new option
23922 (arm_pic_register_string): New variable.
23923 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
23924 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
23925 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
23926 (output_return_instruction): Likewise.
23927 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
23928 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
23929 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
23931 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
23932 mention of -msched-prolog. Document new options -msingle-pic-base
23933 and -mpic-register=.
23935 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
23937 * haifa-sched.c (reemit_notes): Tidy.
23938 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
23941 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
23943 * explow.c (trunc_int_for_mode): New function.
23944 (plus_constant_wide): Use it.
23945 * combine.c (simplify_and_const_int): Likewise.
23946 (merge_outer_ops): Likewise.
23947 (simplify_shift_const): Likewise.
23948 * cse.c (simplify_unary_operation): Likewise.
23949 (simplify_binary_operation): Likewise.
23950 * emit-rtl.c (operand_subword): Likewise.
23951 * rtl.h: Declare it.
23953 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23955 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
23956 (use NUM_REGS instead of NUM_INTS).
23958 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23960 * builtins.c: New file.
23961 * expr.c (saveregs_value, apply_args_value): Delete definition,
23962 moved into builtins.c.
23963 (string_constant): No longer static.
23964 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
23965 apply_args_size, apply_result_size, result_vector,
23966 expand_builtin_apply_args, expand_builtin_apply,
23967 expand_builtin_return): Delete functions, moved into builtins.c.
23968 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
23969 * expr.h (saveregs_value, apply_args_value): Declare variables.
23970 (expand_builtin, string_constant): Declare functions.
23971 * Makefile.in: Update to build builtin.o.
23973 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
23975 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
23976 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
23977 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
23978 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
23980 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
23983 1999-07-21 Michael Meissner <meissner@cygnus.com>
23985 * print-rtl.c (print_rtx): Print the names of the virtual
23988 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
23990 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
23991 introduced in previous delta.
23993 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23995 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
23996 to avoid name clash.
23998 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24000 * c-lex.c (yylex) : Correct the test for overflow when lexing
24003 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24005 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24006 (adjust_priority): Always call ADJUST_PRIORITY.
24007 (schedule_insn): Only put insns into the ready at cost 0.
24008 (schedule_block): Remove redundant initial sort. Give clock_var
24009 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24011 * tm.texi (MD_SCHED_REORDER): Update docs.
24013 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24014 * sparc.c (ultra_reorder_called_this_block): Delete.
24015 (ultrasparc_sched_init): Don't set it.
24016 (ultrasparc_sched_reorder): Don't check it.
24018 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24020 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24021 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24022 (function_arg_boundary): Align DFmode.
24023 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24024 to get fp reg and stack overflow correct.
24025 (function_arg): Likewise.
24026 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24027 (setup_incoming_varargs): Restructure for ABI_V4; use
24028 function_arg_advance to skip final named argument.
24029 (expand_builtin_saveregs): Properly unskip the last integer arg
24030 when doing varargs. Adjust overflow location calculation.
24032 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24033 explicitly unsigned.
24034 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24035 (__VA_GP_REGSAVE): Similarly.
24036 (__va_longlong_p): Delete.
24037 (__va_arg_type_violation): New declaration.
24038 (va_arg): Restructure. Flag promotion errors. Align double.
24039 TFmode passed by reference.
24041 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24042 in the HOST_BITS_PER_WIDE_INT > 32 case.
24044 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24046 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24048 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24050 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24051 * toplev.c (documented_lang_options): Add -fpreprocessed.
24052 * cpplib.h (struct cpp_buffer): Add preprocessed.
24053 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24054 (cpp_start_read): Don't expand macros or emit an initial #line
24055 directive if -fpreprocessed.
24057 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24059 * cpplib.h (struct cpp_buffer): Added manual_pop for
24060 better C++ tokenization.
24061 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24062 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24063 * c-common.c (cpp_token): Make non-static.
24065 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24067 * c-common.h: New file.
24068 * c-common.c (permanent_obstack): Delete unused declaration.
24069 (c_global_trees): New array.
24070 (c_common_nodes_and_builtins): New function; split off common code
24071 from init_decl_processing in both c-decl.c and cp/decl.c.
24072 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24073 c_global_trees and accessor macros defined in c-common.h.
24074 Include c-common.h.
24075 * c-decl.c: Delete definitions for tree nodes that were replaced by
24077 (init_decl_processing): Build void_list_node.
24078 Call c_common_nodes_and_builtins; delete code to generate the common
24080 * objc/objc-act.c (build_module_descriptor): Rename variable
24081 void_list_node to avoid clash with c-common.h.
24083 * Makefile.in: Update dependencies.
24084 * objc/Make-lang.in: Likewise.
24086 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24088 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24089 (UNIQUE_SECTION_P): Likewise.
24090 (UNIQUE_SECTION): Likewise.
24092 1999-07-19 Linas Vepstas <linas@linas.org>
24094 * config/i370/README: New file.
24095 * config/i370/linux.h: New file.
24096 * config/i370/mvs.h: New file.
24097 * config/i370/oe.h: New file.
24098 * config/i370/t-linux: New file.
24099 * config/i370/t-mvs: New file.
24100 * config/i370/t-oe: New file.
24101 * config/i370/x-oe: New file.
24102 * config/i370/xm-linux.h: New file.
24103 * config/i370/xm-mvs.h: New file.
24104 * config/i370/xm-oe.h: New file.
24106 * i370.c (label_node_t): Add first_ref_page, label_addr,
24107 label_first_ref, label_last_ref members.
24108 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24109 (MAX_MVS_LABEL_SIZE): Define.
24110 (MAX_LONG_LABEL_SIZE): Define.
24111 (alias_node_t, alias_anchor, alias_number): New.
24112 (mvs_function_table): Reorder for EBCDIC.
24113 (ascebc, ebcasc): Unconditionally define.
24114 (i370_branch_dest, i370_branch_length): New functions.
24115 (i370_short_branch, i370_label_scan): New functions.
24116 (mvs_get_label): Renamed from mvs_add_label. Search for
24117 an existing label before creating a new one.
24118 (mvs_add_label): New function.
24119 (mvs_get_label_page): New function.
24120 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24121 over the entire list.
24122 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24123 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24124 (mvs_add_alias, mvs_need_alias): New functions.
24125 (mvs_get_alias, mvs_check_alias): New functions.
24126 (handle_pragma): New function.
24127 (mvs_function_check): New function.
24128 (unsigned_jump_follows_p): Search harder.
24129 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24130 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24131 * i370.h (TARGET_VERSION): Delete.
24132 (CPP_SPEC, CPP_PREDEFINES): Delete.
24133 (mvs_label_emitted): Delete.
24134 (TARGET_EBCDIC): Delete.
24135 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24136 (HANDLE_PRAGMA): Define.
24137 (HARD_REGNO_NREGS): Handle complex modes.
24138 (HARD_REGNO_MODE_OK): Likewise.
24139 (CLASS_MAX_NREGS): Likewise.
24140 (RET_REG): Likewise.
24141 (EXTRA_CONSTRAINT): Define.
24142 (RETURN_IN_MEMORY): True for DImode.
24143 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24144 (FUNCTION_PROFILER): Delete.
24145 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24146 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24147 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24148 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24149 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24150 (ASM_FILE_START): Add "RMODE ANY".
24151 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24152 (ASM_GLOBALIZE_LABEL): Likewise.
24153 (ASM_OUTPUT_LABELREF): Likewise.
24154 (ASM_OUTPUT_COMMON): Likewise.
24155 (PRINT_OPERAND): Handle 'K', 'W', default.
24156 (PRINT_OPERAND_ADDRESS): New.
24157 (Lots of defines): Add support for TARGET_ELF_ABI.
24158 * i370.md (attr length): New. Define for all patterns.
24159 (*): Lots of tweeks to assembly output and constraints.
24161 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24163 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24164 Disable patterns performing SImode comparisons with SImode values
24165 if TARGET_POWERPC64 and instruction does not sign-extend or does
24166 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24167 differ for signed quantities.
24168 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24169 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24170 (decrement_and_branch_on_count): Add 64-bit variant.
24172 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24174 * final.c (output_asm_insn): When searching for the matching string
24175 for a given dialect, don't run past the end of the list of
24176 alternatives if there are fewer alternatives in the template than
24179 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24181 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24182 Removed paragraph about compression of files and size limitation,
24183 duplicated in the FAQ. Use gcc-patches for posting patches.
24184 * gcc.c (main): Updated URL with bug reporting instructions to
24185 gcc.gnu.org. Removed e-mail address.
24186 * system.h (abort): Likewise.
24188 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24190 * Makefile.in (stmp-multilib-sub): Make the files extracted
24191 from $(LIBGCC1) writable.
24193 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24195 * config/arm/aout.h: Reformat for improved readability.
24197 * config/arm/arm.h: Reformat for improved readability.
24198 Replace uses of fprintf with asm_fprintf where appropriate.
24199 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24200 function declaration assembler actions.
24201 (NUM_INTS): New macro: Convert from bytes to words.
24202 (NUM_REGS): New macro: Compute number of registers required to
24203 hold a quanitity of tyep MODE.
24204 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24206 (NUM_ARG_REGS): New macro: The number of argument registers
24208 (ARG_REGISTER): New macro: Compute the register number of the Nth
24210 (LAST_ARG_REGNUM): New macro: The number of the last argument
24212 (SP_REGNUM): New macro: Register number of the stack pointer.
24213 (FP_REGNUM): New macro: Register number of the frame pointer.
24214 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24215 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24216 CUMULATIVE_ARGS so that it counts registers not bytes.
24218 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24220 Replace uses of fprintf with asm_fprintf where appropriate.
24221 (output_ascii_pseudo_op): Replace with version from thumb.c
24223 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24225 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24226 SUBTARGET_CPP_SPEC.
24227 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24228 (ASM_FILE_START): Emit ASM_APP_OFF.
24230 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24232 * pa.c (compute_frame_size): Round frame according to
24233 STACK_BOUNDARY rather than a hardwired value.
24235 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24237 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24239 * configure: Rebuilt.
24241 * configure.in (hppa*-*-linux*): New configuration.
24242 * configure: Rebuilt.
24243 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24244 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24245 * pa/pa-linux.h: New file.
24246 * pa/t-linux: New file.
24247 * pa/xm-linux.h: New file.
24249 * pa.c (hppa_legitimize_address): Change references from SImode to
24250 either Pmode or word_mode as appropriate.
24251 (emit_move_sequence, store_reg, load_reg): Likewise.
24252 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24253 (output_mul_insn): Likewise.
24254 * pa.h (PROMOTE_MODE): Likewise.
24255 (INITIALZE_TRAMPOLINE): Likewise.
24256 (Pmode): Define to word_mode.
24258 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24259 value of 4. Allocate 8 bytes for each FP register save.
24260 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24262 (hppa_expand_prologue): Likewise.
24263 * pa.h (PROMOTE_MODE): Likewise.
24264 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24265 (FUNCTION_ARG_BOUNDARY): Likewise.
24267 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24269 * pa.c (out_of_line_prologue_epilogue): Delete.
24270 (override_options): Remove -mspace related code.
24271 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24272 (compute_frame_size): Only allocate space for register that
24273 actually need to be saved.
24274 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24275 (TARGET_SWITCHES): Remove -mspace, -mno-space
24276 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24277 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24278 * pa/ee.asm, pa/ee_fp.asm: Delete.
24280 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24282 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24283 directive in column zero.
24285 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24287 * m68k.c (output_function_prologue): Fix computation of save mask
24288 when generating PIC code.
24290 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24292 * tree.c (build_type_attribute_variant): Move current_obstack restore
24293 after build_qualified_type call.
24295 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24297 * configure.in: Use t-iris6, even with GNU LD.
24298 * config/mips/iris6gld.h: Fix typo in linker spec.
24299 * config/mips/t-iris6gld: Remove.
24301 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24303 * rs6000.md (insv, extzv): Remove SImode dependence in named
24304 patterns. Explicitly generate DImode RTL if PowerPC64 and
24306 (insvdi): Reverse start and size in instruction template.
24308 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24310 * invoke.texi: Typo fixes.
24312 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24314 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24315 handle at this time instead of silently generating incorrect code.
24316 (gen_imagpart): Likewise.
24318 * reload.c (find_reloads): Emit a USE for a pseudo register without
24319 a hard register if we could not create an optional reload for the
24322 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24324 * c-typeck.c (output_init_element, process_init_element):
24325 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24326 check for nameless bit fields.
24328 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24330 * regclass.c (scan_one_insn): Notice subregs that change the
24331 size of their operand.
24332 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24334 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24336 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24337 * configure: Rebuilt.
24338 * alpha/t-ieee: New file.
24340 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24342 * rs6000.c (find_addr_reg): Do not select r0 as an address
24345 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24347 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24349 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24351 * rs6000.md (movsf): Do not force easy FP constants into memory.
24353 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24354 immed_double_const to ensure they are properly truncated then
24357 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24359 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24360 always unless NO_DEBUG is used. Compile this code
24362 (replace_symbols_in_block): Compile it unconditionally.
24364 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24366 * configure.in (i?86-*-elf*): New target.
24367 * configure: Rebuilt.
24368 * i386/i386elf.h, i386/t-i386elf: New files.
24370 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24372 * toplev.c (main): Don't complain about saying -gdwarf.
24373 (rest_of_compilation): Remove redundant code.
24375 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24377 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24379 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24381 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24382 "Li960R:", to avoid name clash.
24384 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24386 * loop.c (check_dbra_loop): When reversing a loop, delete all
24387 REG_EQUAL notes referencing the reversed biv except those which are
24388 for a giv based on it.
24390 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24392 * version.c: Drop "gcc-" prefix from version #.
24394 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24396 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24397 the label if we're being verbose.
24399 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24401 * m68k.c (output_function_prologue): Add pic register to mask
24402 if live and flag_pic.
24403 (output_function_epilogue): Likewise.
24405 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24407 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24408 directives in column zero.
24410 * pa/elf.h (ASM_FILE_START): Define.
24411 * pa/som.h (ASM_FILE_START): Include .level directives.
24412 * pa/hpux10.h (ASM_FILE_START): Delete.
24413 * pa/hpux11.h (ASM_FILE_START): Delete.
24415 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24417 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24419 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24420 when reload_out equals reload_in.
24422 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24424 * invoke.texi (Spec Files): New node: Describe the contents of
24427 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24429 * invoke.texi (DEC Alpha Options): Put @end table at
24430 beginning of line, to avoid confusing texi2html.
24432 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24434 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24435 introduced in previous delta.
24437 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24439 * reload1.c (gen_reload): When synthesizing a 3 operand add
24440 sequence, improve test for when to reload OP1 into the reload
24441 register instead of OP0.
24443 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24445 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24447 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24449 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24452 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24454 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24455 (va_dcl): Use __builtin_va_alist_t.
24457 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
24459 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
24460 on the permanent_obstack.
24461 * dwarfout.c (output_type): Likewise.
24463 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
24465 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24466 Merged from c-typeck.c and cp/typeck.c.
24467 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24468 Merged into c-common.
24470 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
24472 * c-lex.c (errorcount): Declare it.
24473 (finish_parse): Update errorcount when using CPPLIB.
24475 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
24477 * fixinc/inclhack.def(end_else_label): Double the backslash so
24478 sed gets a chance to see it.
24479 * fixinc/inclhack.sh: regen
24480 * fixinc/fixincl.x: regen
24482 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
24484 Add framework to support armv5 architecture when it becomes
24487 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
24488 (arm_arch5): New variable.
24489 (all_architectures): Add armv5 line.
24490 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
24491 -march=armv5 is specified on the command line.
24492 (arm_arch5): Export this variable.
24493 * invoke.texi: Document new string accepted by -march= switch for
24496 * config/arm/arm.h: Replace use of constant 12 as a register
24497 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24498 * config/arm/arm.c: Replace use of constant 12 as a register
24499 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24501 * config/arm/elf.h: Tidy up.
24502 * config/arm/coff.h: Tidy up.
24504 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
24506 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
24507 * gcc/config/mips/t-iris6gld: New file.
24508 * gcc/config/mips/iris6gld.h: Likewise.
24510 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
24512 * c-decl.c (widest_integer_literal_type_node,
24513 widest_unsigned_literal_type) : New.
24514 (init_decl_processing): Handle/use the two new types.
24515 * c-common.c (type_for_size,type_for_mode) : Same.
24516 * c-lex.c (yylex) : Same.
24517 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24519 * c-tree.h (widest_integer_literal_type_node,
24520 widest_unsigned_literal_type) : New.
24522 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
24524 * dwarfout.c (field_byte_offset): Correctly compute the object's
24525 byte offset for the first bit of a field which crosses an alignment
24526 boundary on a !BYTES_BIG_ENDIAN target.
24528 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
24530 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
24533 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
24534 Jeff Law <law@cygnus.com>
24536 * ginclude/varargs.h (va_dcl): Use word_mode for type of
24539 * except.c: Include intl.h.
24540 (expand_eh_return): Set current_function_cannot_inline.
24541 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
24542 * function.h (struct function): Add eh_return_stub_label.
24543 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
24544 * Makefile.in (except.o): Depend on intl.h.
24546 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
24548 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
24549 same as offsettable in cases 1 and 2.
24551 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
24553 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
24554 (extlh, extwh): Likewise.
24556 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
24558 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
24560 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
24562 * configure.in: Add arm-pe and thumb-pe targets.
24563 * configure: Regenerate.
24565 * thumb.c (arm_naked_function_p): New function: Determines if
24566 a function is naked (has no gcc generated prologue/epilogue).
24567 (is_called_in_ARM_mode): Return true if the func has the
24568 interfacearm attribute.
24569 (output_return): Do not generate a return for naked functions.
24570 (thumb_function_prologue): Do not generate a prologue for
24572 (thumb_expand_prologue): Do not generate a prologue for naked
24574 (thumb_expand_epilogue): Do not generate an epilogue for naked
24576 (arm_valid_machine_decl_attribute): New function, copied from
24577 arm.c: Permit naked and interfacearm attributes.
24579 * config/arm/pe.c: New file: Support code for arm-pe target.
24580 * config/arm/pe.h: New file: Header file for arm-pe target.
24581 * config/arm/tpe.h: New file: Header file for thumb-pe target.
24582 * config/arm/t-thumb-pe: New file: Makefile fragment for
24585 1999-07-01 Mark Kettenis <kettenis@gnu.org>
24587 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
24588 -fPIC or -fpic is specified.
24590 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
24592 * expr.c (emit_block_move): Use copy_to_mode_reg for
24593 !TARGET_MEM_FUNCTIONS case too.
24595 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
24597 * configure: Rebuilt.
24598 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
24599 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
24600 definitions made redundant by dbxelf.h inclusion. Delete
24601 lots of definitions related to assembly output that are
24602 specific to the SOM object format.
24603 * pa.c (output_function_prologue): Do not emit the function's
24605 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
24606 * pa-pro.h: Deleted.
24607 * som.h: New file with SOM specific definitions.
24608 * elf.h: New file with ELF specific definitions.
24610 * elfos.h (const_section): Output a tab before assembler directives.
24611 (ctors_section, dtors_section): Likewise.
24612 (ASM_OUTPUT_SECTION_NAME): Likewise.
24614 * pa/pa1.h: Delete unused file.
24616 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
24618 * configure.in (hppa*-hp-hpux11*): New configuration.
24619 * configure: Rebuilt.
24620 * pa/pa-hpux11.h: New file.
24621 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
24624 * mips.md (leasi, leadi): New patterns.
24626 * expr.c (emit_block_move): Properly handle case where one of the
24627 block move arguments has a queued increment or decrement.
24628 (clear_storage): Similarly. Fix formatting goof.
24630 1999-06-28 "David O'Brien" <obrien@NUXI.com>
24632 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
24633 semicolon from the BSD VA_LIST replacement expression.
24635 * fixinc/inclhack.sh: regen
24636 * fixinc/fixincl.x: regen
24638 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
24639 now use the fixincl program.
24641 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
24643 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
24644 case. Also make the PIC register call_used.
24646 * m68k.h (FINALIZE_PIC): Delete.
24647 * m68k.c (finalize_pic): Delete.
24649 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
24651 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
24654 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
24656 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
24658 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
24660 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
24662 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
24664 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
24666 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
24668 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
24670 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
24672 * rs6000.c (output_toc): Always use hex values for floating-point
24673 constants. Store single-precision values in upper-half of TOC
24674 entry in 64-bit mode.
24675 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
24676 to final constraints.
24677 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
24678 (fctiwz): Improve accuracy of RTL for pattern.
24680 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
24682 * expr.c (expand_expr): Allow RTL_EXPR's through the
24683 MAX_INTEGER_COMPUTATION_MODE checks.
24685 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
24687 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
24688 such that MASK_SUPPORT_ARCH is not negative.
24690 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
24692 * loop.c (verify_dominator): Properly handle ADDR_VEC and
24693 ADDR_DIFF_VEC insns that appear inside loops.
24695 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
24696 Jeff Law <law@cygnus.com>
24698 * rs6000.md (movdf_hardfloat32): Revert previous patch.
24699 Handle LO_SUM the same as offsettable in cases 1 and 2.
24700 * rs6000.c (find_addr_reg): Revert previous patch.
24702 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
24704 * system.h (strstr): New external function declaration.
24705 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
24706 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
24707 * config.in, configure: Rebuilt.
24709 1999-06-24 Tom Tromey <tromey@cygnus.com>
24711 * gcc.c (main): Read user-specified specs files after computing
24712 additional startfile_prefixes.
24714 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
24716 Revert these two patches:
24718 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24719 * loop.c (strength_reduce): When doing biv->giv conversion, update
24720 reg note of NEXT->insn.
24722 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24723 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24725 (recombine_givs): Set ix field after sorting.
24727 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24729 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
24730 for the parts of an UNSPEC / UNSPEC_VOLATILE.
24732 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
24734 *fixinc/inclhack.def: Add fix development commentary
24735 (read_ret_type): reactivate and add selection clause
24736 (zzz_*): tweak output file name to match what is used in hackshell.tpl
24737 *fixinc/{fixincl.x|inclhack.sh}: regen
24739 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
24741 * expr.c (expand_expr): STRIP_NOPS before checking against
24742 MAX_INTEGER_COMPUTATION_MODE
24743 (check_max_integer_computation_mode): Likewise.
24745 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
24747 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
24749 1999-06-22 Jim Wilson <wilson@cygnus.com>
24751 * expr.c (store_expr): When target is a promoted subreg, return a
24752 promoted subreg as a result.
24754 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
24756 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
24758 (dwarf2out_define): Mark unused parameters appropriately.
24759 (gen_unspecified_parameters_die): Ditto.
24760 (gen_subprogram_die): Fix signed/unsigned warnings.
24761 (gen_variable_die): Ditto.
24763 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
24765 * fixinc/inclhack.def(end_else_label): combined else_label
24766 and endif_label and fixed the sed expression.
24767 *fixinc/{fixincl.x|inclhack.sh}: regen
24769 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
24771 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
24772 'x' when handling non-offsettable addresses
24774 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
24776 * final.c (shorten_branches): Don't try to split an insn that has
24779 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
24781 * config/mips/mips.c (symbolic_expression_p): New function.
24782 (mips_select_rtx_section): Put symbolic expressions in the
24783 data section, not the read-only data section.
24785 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
24787 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
24789 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
24791 * collect2.c (main): Log frame table count.
24792 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
24793 (scan_prog_file) [COFF]: Handle frame tables.
24795 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
24796 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
24797 * alpha/elf.h: Undef them again.
24798 * alpha/vms.h: Remove their definitions.
24800 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24802 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
24803 remove the clobber of r0 and change the REG_UNUSED note to
24806 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
24808 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
24809 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
24810 fits in HOST_WIDE_INT and one uses union to access a long constant
24813 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
24815 * sparc.c (sparc_override_options): Don't allow profiling for
24816 code models other than medlow.
24817 (sparc_function_profiler): New function from old FUNCTION_PROFILER
24818 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
24819 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
24820 (sparc_block_profiler): Likewise.
24821 (sparc_function_block_profiler_exit): Likewise.
24822 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
24823 (FUNCTION_BLOCK_PROFILER): Likewise.
24824 (BLOCK_PROFILER): Likewise.
24825 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
24826 (MCOUNT_FUNCTION): New.
24827 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
24828 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
24829 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
24830 (MCOUNT_FUNCTION): New.
24831 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
24832 (BLOCK_PROFILER): Delete.
24833 (MCOUNT_FUNCTION): New.
24835 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
24837 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
24839 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24841 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24844 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24847 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24850 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24853 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
24855 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
24858 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
24860 * i386/djgpp.h (LIB_SPEC): New.
24861 (STARTFILE_SPEC): New.
24863 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
24865 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
24867 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
24870 * system.h (WSTOPSIG): New macro.
24872 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
24874 * c-pragma.c (push_alignment): Don't ignore alignments greater than
24876 (insert_pack_attributes): Take into account member natural
24879 * i386/winnt.c (exports_head): New static variable.
24880 (i386_pe_record_exported_symbol): New function.
24881 (i386_pe_asm_file_end): Use.
24882 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
24883 symbols to be emitted at end of assembly.
24884 (ASM_DECLARE_OBJECT_NAME): Likewise.
24885 (ASM_DECLARE_FUNCTION_NAME): Likewise.
24887 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
24890 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
24892 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
24895 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
24897 * haifa-sched.c (sched_analyze_1): Use free_list instead of
24898 zapping reg_last_uses directly.
24899 (sched_analyze_2, sched_analyze_insn): Likewise.
24900 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
24902 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
24904 * rs6000.md (movdf_hardfloat32): Use worst case insn length
24905 attributes for cases 1 and 2.
24907 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
24909 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
24912 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
24914 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
24916 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
24918 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
24919 PIC_OFFSET_TABLE_REGNUM for general alloaction.
24920 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
24921 must be stacked if it is used for PIC accesses.
24922 * arm.c (use_return_insn): Handle PIC register specially.
24923 (output_return_instruction): Likewise.
24924 (output_func_{prologue,epilogue}): Likewise.
24925 (output_expand_prologue): Likewise.
24927 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
24928 (*strsi_predec): Renamed from *strqi_predec.
24929 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
24930 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
24932 * arm.c (arm_override_options): Remove warning about PIC code
24933 not being supported.
24935 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
24937 * rs6000.c (find_addr_reg): New function.
24938 * rs6000.h (find_addr_reg): Declare.
24939 (offsettable_addr_operand): Delete.
24940 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
24941 from and stores to GPRs.
24943 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
24945 * alpha.c (alpha_expand_block_move): Use get_insns rather than
24946 gen_sequence as argument to emit_no_conflict_block.
24948 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
24950 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
24951 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
24952 *fixinc/fixincl.x: regen
24953 *fixinc/inclhack.sh: regen
24955 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
24957 * added support for -mpcrel (PC relative addressing for m68k)
24958 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
24959 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
24960 * m68k.c (print_operand_address): Handle 32-bit PIC case.
24961 (comments for general_src_operand): Add some explanation
24962 about EXTRA_CONSTRAINTS.
24963 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
24964 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
24965 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
24966 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
24967 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
24968 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
24969 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
24970 if not already set.
24971 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
24972 * m68k.h (TARGET_PCREL): New target flag.
24973 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
24974 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
24975 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
24976 contains a SYMBOL_REF. Relax this constraint during reload, since
24977 we want to use the predicates, not reload's built-in concept of a
24978 valid memory address, to control what insns need reloading.
24979 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
24980 operands (essentially 'g', 'm', and 's' under normal circumstances).
24981 * m68k.c (print_operand): Cause printing of pc-relative addresses
24982 to include pc register.
24983 (print_operand_address): Ditto.
24984 (general_src_operand): Accept operands that are not only
24985 general_operands, but are also valid when used as a pc-relative
24987 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
24988 (memory_src_operand): Similar, for memory_operands.
24989 (pcrel_address): New predicate to accept the special case of a
24990 pc-relative address.
24991 * m68k.md (many patterns): Rewrite common SImode, HImode, and
24992 QImode insns to accept *_src_operand instead of *_operand where
24993 pc-relative operands can fit. For example, a pc-relative operand
24994 can be used as a memory source operand for addsi3, but not as a
24995 memory destination.
24996 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
24998 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25000 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25001 .thumb_set pseudo op to mark aliases of thumb functions.
25003 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25005 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25006 preference to ASM_OUTPUT_DEF, if it is defined.
25008 * tm.texi: Document new, optional target macro
25009 ASM_OUTPUT_DEF_FROM_DECLS.
25011 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25013 * fixincludes: ISCNTL patch
25014 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25015 (dgux_int_varargs): new for DG/UX
25016 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25018 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25020 * invoke.texi (ia32 options): Fix typo.
25022 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25024 * loop.c (strength_reduce): When doing biv->giv conversion, update
25025 reg note of NEXT->insn.
25027 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25029 * loop.c (move_movables): Note issues with replacing REGs with
25031 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25033 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25035 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25037 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25038 the reference to `mcount' was not correct for the ELF on FreeBSD.
25040 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25042 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25045 (recombine_givs): Set ix field after sorting.
25047 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25049 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25050 to safe to extract a subword out of a REG.
25052 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25054 * sh.md (mulsi3): Don't add a no-op move at the end.
25056 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25058 * cse.c (cse_insn): Don't put hard register source into tables for
25059 the last insn of a libcall.
25061 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25063 * loop.c (strength_reduce): Insert sets of derived givs at every
25064 biv increment, even if it's the only one.
25066 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25068 * dwarfout.c (add_incomplete_type): New fn.
25069 (output_type): Call it.
25070 (retry_incomplete_types): New fn.
25071 (dwarfout_finish): Call it.
25073 From Eric Raskin <ehr@listworks.com>:
25074 (output_type): Output types for bases.
25076 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25078 * mips.c (mips_output_conditional_branch): Add `break'
25079 between `default' label and `close braces'.
25081 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25083 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25084 specifications and make it realistic.
25085 (LIB_SPEC): Likewise.
25087 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25089 * config/mips/mips.c (mips_secondary_reload_class): Check for
25090 (PLUS (SP) (REG)) and return appropriate register class.
25091 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25092 Handle (PLUS (SP) (REG)).
25093 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25094 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25095 of emit_insn for tablejump.
25097 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25099 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25100 asm_fprintf format string by itself.
25101 (output_function_profiler): Likewise.
25103 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25105 * combine.c (simplify_logical, case AND): Only call
25106 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25107 or the constant is positive.
25109 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25111 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25112 * configure: Regenerate.
25114 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25116 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25117 require a sub-version #.
25118 * configure: Rebuilt.
25120 1999-06-14 Robert Lipe (robertlipe@usa.net)
25122 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25124 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25126 * c-typeck.c (process_init_element): Detect excess elements in
25127 char array initializer.
25129 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25131 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25133 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25135 * invoke.texi (Option Summary): Add -fpermissive flag.
25137 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25139 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25140 that require PIC code sequences.
25142 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25144 * configure.in: Add new target: thumb-elf.
25145 * configure: Regenerate.
25146 * config/arm/t-thumb-elf: New file: Makefile fragment for
25148 * config/arm/telf.h: New file: Header file for thumb-elf
25151 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25153 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25154 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25155 initializers is some circumstances.
25157 * fixinc/inclhack.def (endif_label): Add additional selector for
25158 more bogus stuff after #endif statements.
25159 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25161 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25163 * i386/cygwin.h (SET_ASM_OP): Define.
25165 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25167 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25169 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25171 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25174 * sh.md (ic_invalidate_line_i): Remove second alternative.
25176 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25178 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25179 test for the presence of valid prototypes. Delete bypass expr.
25180 (ioctl_fix_ctrl): Correct the selection expression.
25181 (no_double_slash): Correct quoting rules
25182 *fixinc/fixincl.x: regen
25183 *fixinc/inclhack.sh: regen
25185 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25187 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25189 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25191 * rs6000.md (movsi_got_internal_mem): Delete.
25192 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25193 (GOT_TOC_REGNUM): Delete.
25194 (PIC_OFFSET_TABLE_REGNUM): Define.
25195 (FINALIZE_PIC): Disable.
25196 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25197 (rs6000_replace_regno): Delete.
25198 (rs6000_finalize_pic): Likewise.
25199 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25201 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25203 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25204 is a note; use <= for the compare; advance P while it is
25207 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25209 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25210 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25212 * varasm.c (remove_from_pending_weak_list): Verify t->name
25213 is non-NULL before passing it to strcmp.
25215 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25217 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25218 the typed arguments are not part of a comment
25219 (ioctl_fix_ctrl): Added a purpose comment
25220 *fixinc/fixincl.x: regenerate
25221 *fixinc/inclhack.sh: regenerate
25223 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25225 * invoke.texi: Add C4x invocation docs.
25227 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25229 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25231 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25233 (c4x_legitimize_reload_address): New function.
25234 * config/c4x/c4x.md: Update docs.
25236 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25238 * fixincludes: Avoid removing '.'.
25239 * fixinc/fixinc.svr4: Likewise.
25240 * fixinc/fixinc.winnt: Likewise.
25241 * fixinc/inclhack.tpl: Likewise.
25242 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25244 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25246 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25248 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25250 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25252 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25255 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25257 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25258 * configure: Regenerate.
25260 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25262 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25265 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25267 * fixinc/inclhack.def (avoid_bool): Also catch
25268 "typedef [unsigned] int bool".
25269 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25271 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25272 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25273 * configure: Rebuilt.
25275 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25277 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25278 such that we can override its definitions if necessary.
25279 (CPP_SPEC): New define. Support processor specific predefines via
25281 (CC1_SPEC): New define. Support processor specific compiler
25282 options via %(cc1_cpu).
25283 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25286 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25288 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25289 between sed's -e flag, and the open-quote following it.
25290 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25292 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25293 Jeffrey A Law (law@cygnus.com)
25295 * varasm.c (assemble_start_function): Remove the function
25296 from the pending weak decls list when we define a function.
25297 (assemble_variable): Similarly for variables.
25298 (weak_finish): Ignore items on the list with a NULL name.
25299 (remove_from_ending_weak_list); New function to "remove" an item
25300 from the pending weak declarations list.
25302 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25304 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25306 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25308 * c-lex.c (GETC): Redefine to call getch.
25309 (UNGETC): Redefine to call put_back.
25310 (putback_buffer): New structure type.
25311 (putback): New static structure.
25312 (getch): New function.
25313 (put_back): New function.
25314 (yylex): Replace unused bytes from bad multibyte character.
25316 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25318 * cpplib.c (do_define): Cast `alloca' return value.
25319 (do_include, do_undef, do_pragma): Likewise.
25320 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25322 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25323 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25325 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25327 * sparc.md (abstf2): This should be an expand.
25328 (split after abstf2_notv9): Fix mode.
25329 (abstf2_hq_v9): New pattern.
25330 (abstf2_v9): Only use when no hard quad.
25331 (absdf2_v9): Fix if target is not the same as source.
25332 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25333 Add correct output constraints.
25335 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25337 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25338 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25340 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25342 * mips.h (mips_output_conditional_branch): New function.
25343 (mips_adjust_insn_length): Likewise.
25344 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25345 (ADJUST_INSN_LENGTH): Likewise.
25346 * mips.c (print_operand): Add `F' and `W' for floating-point
25347 comparison opcodes.
25348 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25350 (mips_adjust_insn_length): New function.
25351 (mips_output_conditional_branch): New function.
25352 * mips.md (length): Adjust attribute definition to handle
25353 conditional branches. Change lengths to bytes, rather than
25354 instructions throughout. Remove length attribute from
25355 instructions whose length is four bytes, and rely on the default
25357 (dslot): Fix typo in comment.
25358 Reword conditional branch patterns to use
25359 mips_output_conditional_branch.
25361 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25363 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25364 (LIB_SPEC): Likewise.
25365 Link with -lprof1_r for -g/-pg.
25367 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25369 * loop.c (check_dbra_loop): Fix change of Jan 19.
25371 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25373 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25374 (STARTFILE_SPEC): Define, override the svr4.h version.
25375 (ENDFILE_SPEC): Likewise.
25377 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25379 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25380 * fixinc/fixincl.x: Regenerated.
25381 * fixinc/inclhack.sh: Regenerated.
25383 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25385 * sh.c (barrier_align): Don't return early for normal branch/barrier
25386 when optimizing for SH2.
25388 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25390 * i386/udk.h (LINK_SPEC): Correct linker search path for
25393 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25395 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25396 (braf_label_ref_operand): Delete.
25397 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25398 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25399 label_ref, and has no predicate.
25400 The patten has a predicate to guard against invalid substitutions.
25401 (dummy_jump): Delete.
25402 (casesi): Update use of casesi_jump_2.
25404 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25406 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25407 *fixinc/fixincl.x: regenerate
25408 *fixinc/inclhack.sh: regenerate
25410 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25412 * dwarf2out.c (add_incomplete_type): New fn.
25413 (gen_struct_or_union_type_die): Call it.
25414 (retry_incomplete_types): New fn.
25415 (dwarf2out_finish): Call it.
25417 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25419 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25420 current block starts with a CODE_LABEL and ends with a CALL and
25421 we can not find all the argument setup instructions for the CALL.
25423 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25425 Revert this change:
25426 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25427 something is a candidate for optimize_bit_field_compare.
25429 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25431 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25433 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25435 * alpha.c (override_options): Thinko in last patch.
25437 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25438 (LIB_SPEC): Recognize -pthread.
25440 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25442 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25443 definition in config/arm/coff.h
25444 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25446 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25448 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25449 fixes that need "file=xxx\n" prepended before invocation
25450 (start_fixer - new): starting the fixer process is complex enough
25451 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25452 (process): uses the new routine; omit usage of putenv()
25453 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25454 * fixinc/fixincl.x: regenerate
25456 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
25458 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
25459 and version #s (1.1 -> 2.96) as needed.
25460 * README.g77: Kill way out of date file in the toplevel directory.
25462 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
25464 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
25465 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
25466 * configure: Rebuilt.
25467 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
25468 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
25469 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
25470 (SWITCH_TAKES_ARG): Likewise.
25471 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
25472 * config/t-freebsd: Moved from config/i386/ so it can used for all
25475 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
25477 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
25479 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
25481 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
25482 * configure: Rebuilt.
25484 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
25486 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
25487 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
25488 * rs6000/rs6000.c (rs6000_file_start): Use putc.
25489 (rs6000_output_load_toc_table): Same.
25490 (output_prolog, output_mi_thunk): Same.
25491 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
25492 (ASM_GLOBALIZE_LABEL): Use putc.
25494 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
25496 * alpha.md (reload_*_help): New patterns and splitters.
25497 (reload_*): Use them.
25498 (mov[qh]i): Likewise.
25500 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
25502 * cccp.c (handle_directive): Handle backslash-newlines in quoted
25505 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
25507 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
25509 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
25511 * flow.c (mark_regs_live_at_end, insn_dead_p,
25512 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
25513 and HARD_FRAME_POINTER_REGNUM special treatment if reload
25514 hasn't run or the frame pointer is needed.
25515 * haifa-sched.c (attach_deaths): Likewise.
25516 * sched.c (attach_deaths): Likewise.
25518 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
25520 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
25521 calculate_can_reach_end returns nonzero.
25523 * configure.in (native gas tests): Search for an assembler in the
25524 same manner that the installed compiler will.
25525 * configure: Rebuilt.
25526 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
25528 * alias.c (find_base_term): Improve handling of addresses
25529 constructed from binary operations.
25531 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
25533 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
25535 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
25537 * function.h (cleanup_label, frame_offset): Declare.
25538 (tail_recursion_label, tail_recursion_reentry): Likewise.
25539 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25540 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
25541 (tail_recursion_label, tail_recursion_reentry): Likewise.
25542 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25544 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
25546 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
25548 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
25549 (MAX_OFILE_ALIGNMENT): Define.
25551 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
25553 * fixincl.c: Replace local include scheme with #includes of
25554 gansidecl.h and system.h.
25555 * procopen.c: Likewise.
25556 * server.c: Likewise.
25558 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
25560 * i386/t-dgux (EXTRA_PARTS): Add crti.o
25561 (crti.o): Add build rule and dependencies.
25562 * fixinc/fixinc.dgux: Use modified _int_varargs.h
25564 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25566 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
25567 (LIB_LINUX_SPEC): Likewise.
25568 (LIB_LINUX_SPEC): Add support for -pthread
25569 (CPP_OS_LINUX_SPEC): Likewise.
25570 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
25573 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
25575 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
25577 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
25578 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
25579 for IEEE math and CC_FCOMI.
25580 (put_jump_code): No IEEE if CC_FCOMI is set.
25582 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25584 * fold-const.c (fold_truthop): Make the field reference unsigned
25585 when converting a single bit compare.
25587 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25589 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
25591 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
25593 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
25594 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
25597 * reload.c (push_reload): Do not call remove_address_replacements
25598 when presented with identical optional reloads.
25600 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
25602 * alpha.h (MASK_FIX, TARGET_FIX): New.
25603 (MASK_*): Reorganize constants.
25604 (CPP_AM_FIX_SPEC): New.
25605 (TARGET_SWITCHES): Add FIX.
25606 (EXTRA_SPECS): Likewise.
25607 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
25608 (SECONDARY_MEMORY_NEEDED): Likewise.
25609 (REGISTER_MOVE_COST): Likewise.
25610 * alpha.c (override_options): Add FIX support. Always use
25611 ALPHA_TP_PROG for ev6.
25612 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
25613 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
25614 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
25616 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
25618 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25619 something is a candidate for optimize_bit_field_compare.
25621 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
25623 * gcc.texi (Passes): Document branch-shortening.
25624 * invoke.texi (Debugging Options): Document the fact that `-dp'
25625 outputs length information for instructions.
25627 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
25629 * flow.c: Revert previous delta.
25631 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
25633 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
25634 FRAME_POINTER_REGNUM.
25635 (mark_set_1): Ditto.
25636 (mark_used_regs): Ditto.
25638 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
25640 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
25641 (GOT_PCREL): New macro. Define to 1 if not already defined.
25642 * arm/elf.h (GOT_PCREL): Define to 0.
25643 * arm.c (arm_finalize_pic): Take into account the setting of
25646 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
25648 * output.h (STRIP_NAME_ENCODING): Provide default definition.
25649 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
25651 * flow.c (mark_set_1): Do not record BLKmode stores as dead
25652 store elimination candidates.
25654 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
25656 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
25659 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
25661 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
25662 Add use of x-aix41-gld.
25664 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
25666 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
25667 (ASM_OUTPUT_DESTRUCTOR): Define.
25669 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
25671 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
25672 last CODE_LABEL in a loop if we have previously passed a jump
25673 to the top of the loop.
25675 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
25677 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
25678 applying Philip's patch.
25680 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
25682 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
25685 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
25687 * loop.c (strength_reduce): Grow reg_single_usage as needed.
25689 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
25691 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
25692 Also remove a useless comment.
25694 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25696 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
25698 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
25700 * collect2.c (main): Only generate import or export file and add
25701 to link arguments if non-empty. Use xmalloc not alloca.
25702 (write_{export,import}_file): Delete.
25703 (write_aix_file): New function.
25704 (locatelib): Use xmalloc not malloc.
25705 (GCC_OK_SYMBOL): Do not check type if aix64.
25707 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
25709 Based on patch by Scott Bambrough and Pat Beirne:
25710 * config/arm/arm.c (making_const_table): New variable.
25711 * config/arm/arm.h (making_const_table): Declare.
25712 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
25714 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
25715 Keep track of when we are building the constant table.
25717 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
25719 * config/arm/arm.c (arm_override_options): Fix erroneous warning
25722 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
25724 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
25727 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
25729 * tm.texi (FUNCTION_ARG): Correct description of a stack element
25732 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
25734 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
25736 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25738 * rs6000.c (output_mi_thunk): Enable full support again.
25740 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25742 * sh.h (BRANCH_COST): Define.
25744 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
25746 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
25748 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
25750 * function.c (assign_stack_local): Align stack slot propertly.
25751 (assign_outer_stack_local): Likewise.
25753 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
25755 * expr.h (lang_expand_constant): Declare.
25756 * toplev.c (lang_expand_constant): Define it.
25757 * varasm.c (output_constant): Use it.
25759 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25761 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
25762 Change function definitions to K&R style.
25764 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25766 * fixinc/fixincl.c: We must not ignore SIGCLD now.
25768 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
25770 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
25771 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
25772 (several places): omit static initialization
25773 (process): use single fd, since only the read fd is used
25774 * fixinc/gnu-regex.c: define 'const' away, if not supported
25775 * fixinc/procopen.c(several places): omit static initialization
25776 * fixinc/server.c: define 'volitile' away, if not supported
25778 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25780 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
25781 asm_fprintf and %L to generate the label name.
25782 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
25783 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
25785 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
25787 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
25788 insn for a conditional jump can not be found.
25790 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
25792 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
25793 on variables in specific sections other than .sbss and .sdata.
25795 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
25797 * stmt.c (expand_return): Call start_cleanup_deferral and
25798 end_cleanup_deferral around conditional code.
25800 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25802 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
25803 filename lists. Utilizes new "krstr" AutoGen function.
25804 * fixinc/fixincl.x: Rebuilt.
25806 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
25808 * i386.c (output_float_compare): Avoid GNU-C extensions.
25810 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
25812 * version.c: Bump to distinguish mainline tree from the
25815 See ChangeLog.1 for earlier changes.