1 2000-04-26 Richard Henderson <rth@cygnus.com>
3 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
5 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
6 * flow.c (calculate_loop_depth): Remove.
7 * output.h (calculate_loop_depth): Don't declare.
8 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
9 inline; run estimate_probability at the same time.
11 2000-04-26 Neil Booth <NeilB@earthling.net>
13 * cpplib.h: "~=" is not a single pp-token.
14 * cpplex.c: Correct commentary.
16 2000-04-26 Richard Henderson <rth@cygnus.com>
18 * flow.c (mark_set_1): New arguments code and flags; update all
19 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
20 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
21 loop_depth when optimizing for size. Do new_dead update after
22 emitting REG_UNUSED notes. Merge mark_set_reg code.
23 (mark_set_reg): Remove.
24 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
25 arrange to not emit REG_UNUSED notes.
27 2000-04-26 Richard Henderson <rth@cygnus.com>
29 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
30 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
32 2000-04-26 Richard Henderson <rth@cygnus.com>
34 * flow.c (propagate_one_insn): Break out from propagate_block.
35 (init_propagate_block_info): Likewise.
36 (free_propagate_block_info): Likewise.
37 (propagate_block): Use them. Export.
38 * basic-block.h: Declare them all.
40 2000-04-26 Richard Henderson <rth@cygnus.com>
42 * basic-block.h (life_analysis): Declare here ...
43 * output.h: ... not here.
44 * flow.c (life_analysis): Remove nregs parameter; replace
45 remove_dead_code with flags. Remove ssa dead code check.
46 Only init alias analysis if we'll use it.
47 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
48 * ssa.c (convert_to_ssa): Likewise.
49 (convert_from_ssa): Likewise.
50 * toplev.c (rest_of_compilation): Likewise.
52 2000-04-26 Richard Henderson <rth@cygnus.com>
54 * flow.c (flow_delete_block): Rename from delete_block. Export.
55 * basic-block.h (flow_delete_block): Declare.
57 2000-04-26 David S. Miller <davem@redhat.com>
59 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
60 taking a PATTERN of it.
62 2000-04-26 <NeilB@earthling.net>
64 * cpplex.c (spell_other, spell_char): Remove.
66 (token_spelling, trigraph_map): Use unsigned chars.
67 (_cpp_lex_line): Tidy up the switch statement.
68 * cpplib.h: Implement spell_char with spell_string.
71 2000-04-26 <RodneyBrown@pmsc.com>
73 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
74 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
76 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
78 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
79 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
80 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
81 dwarf2out_return_save, dwarf2out_return_reg,
82 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
83 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
84 gen_compile_unit_die, dwarf2out_init): Constify a char*.
86 * dwarf2out.h (dwarf2out_init): Likewise.
88 * dwarfout.c (filename_entry, primary_filename, last_filename,
89 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
91 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
92 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
93 dwarf2out_return_reg): Likewise.
95 2000-04-26 Andreas Jaeger <aj@suse.de>
97 * extend.texi (Function Attributes): Fix description of pure
100 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
102 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
103 before calling rest_of_compilation.
105 2000-04-26 Andreas Jaeger <aj@suse.de>
107 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
110 2000-04-25 Richard Henderson <rth@cygnus.com>
112 * cse.c (cse_insn): Emit barrier after unconditional jump.
114 * calls.c (expand_call): Disable tail call generation once
115 rtx_equal_function_value_matters is false.
117 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
120 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
122 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
124 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
126 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
127 is the primary DIE for a member function.
128 (gen_decl_die): Call set_decl_origin_self here.
129 * dwarfout.c (output_decl): And here.
130 * integrate.c (output_inline_function): Not here.
131 Don't clear DECL_INLINE until after calling rest_of_compilation.
132 (set_decl_origin_self): No longer static.
133 * tree.h: Add prototype.
134 * toplev.c (note_deferral_of_defined_inline_function): Only write
135 out abstract instance for actual inlines.
137 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
139 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
140 EXTENDED_REGS only if TARGET_AM33.
141 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
142 SP_REGS to register allocation and reloading unless absolutely
144 (movsi3): Remove special-case of adding non-constants to SP.
146 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
148 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
149 INCLUDES to search and does not provide any of its own. Also it
150 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
151 parameters. Also it does not call AC_DEFINE.
152 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
153 AC_DEFINE and provides for automatic entries for autoheader.
154 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
156 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
157 so we can pass -I flags and include gansidecl.h/system.h in this
160 * acconfig.h: Delete all NEED_DECLARATION_* entries.
162 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
164 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
165 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
166 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
168 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
169 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
170 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
171 for these macros. Clean up spacing and linewraps.
173 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
175 * calls.c (expand_call): Use get_callee_fndecl.
177 * print-tree.c (print_node): Print the chain of an _EXPR.
179 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
180 Jim Wilson <wilson@cygnus.com>
181 Andrew Haley <aph@cygnus.com>
183 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
184 and gp save/restore problems.
185 * config/ia64/crtend.asm: Add IA-64 unwind support.
186 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
187 in fr_pad_size calculation.
188 (save_restore_insns): Move PR save area. Correct uses of
190 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
191 (ia64_expand_epilogue): Add eh_epilogue support.
192 (ia64_function_prologue): Emit .prologue directive.
193 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
194 (ia64_override_options): Set init_machine_status and
196 (rtx_needs_barrier): Handle bsp reads and writes.
197 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
198 New static variables.
199 (process_set, process_for_unwind_directive): New functions.
200 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
201 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
202 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
204 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
205 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
206 (struct machine_function): Define.
207 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
209 2000-04-25 Bruce Korb <bkorb@gnu.org>
211 * fixinc/Makefile.in: make the removal of old programs more
213 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
214 install-bin and install-sh
216 2000-04-25 Nick Clifton <nickc@cygnus.com>
218 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
219 defined, define to return zero.
220 (function_cannot_inline_p): If a function has any target
221 specific attributes, then use the macro
222 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
223 whether it can be inlined. If it cannot, issue a suitable
226 * tm.texi: Add a new node 'Inlining' to document the new macro
227 FUNCTION_ATTRIBUTE_INLINABLE_P.
229 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
231 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
234 2000-04-25 Neil Booth <NeilB@earthling.net>
236 Restore previous patch, plus the following fixes:
238 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
239 flags, not CPP_OPEN_PAREN.
240 * cpplex.c (expand_token_space, init_token_list,
241 cpp_free_token_list): Put the dummy token at list->tokens[-1].
242 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
244 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
246 * config/i386/freebsd.h (INT_ASM_OP): Define.
248 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
250 * loop.c (strength_reduce): Fix typo in the last checkin.
252 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
254 * stor-layout.c (finalize_record_size): Simplify to use existing
256 (compute_record_mode): No longer static.
257 * tree.h (compute_record_mode): New declaration.
259 2000-04-25 Neil Booth <NeilB@earthling.net>
261 * Revert my patch below until cause of build failures
264 2000-04-25 Richard Henderson <rth@cygnus.com>
266 * combine.c (combine_instructions): Add missing argument
269 * toplev.c (rest_of_compilation): Delay sibcall optimization
270 until after emit_eh_context.
272 2000-04-24 Nick Clifton <nickc@redhat.com>
274 * combine.c (combine_instructions): Do not try to combine a
275 sequence of insns when the second insn has been replaced by a
278 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
280 * gcc.c (load_specs): New static function.
281 (read_specs): Use it.
283 * gcc.c (lookup_compiler): Make multiple passes for case
284 insensitive filesystems.
286 2000-04-24 Neil Booth <NeilB@earthling.net>
288 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
289 * cpphash.h (_cpp_check_directive): new.
290 * cpplex.c (handle_newline, cpp_free_token_list,
291 init_trigraph_map, trigraph_ok, trigraph_replace,
292 backslash_start, skip_block_comment, skip_line_comment,
293 skip_whitespace, parse_name, parse_number, parse_string,
294 copy_comment, _cpp_lex_line, spell_char, spell_string,
295 spell_comment, spell_name, spell_other, _cpp_lex_file,
296 _cpp_output_list): new.
297 (expand_name_space): take length argument.
298 (init_token_list): add comment list initialisation.
299 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
300 instead of HSPACE_BEFORE.
302 * cpplib.c (_cpp_check_directive): new
303 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
304 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
305 (HSPACE_BEFORE): delete.
306 (TTYPE_TABLE): rearrange.
307 (struct cpp_toklist): update.
309 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
311 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
312 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
313 argument form of AC_DEFINE.
315 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
316 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
317 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
318 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
319 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
321 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
323 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
325 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
326 deduced.h): Use -isystem, not -I, for including system headers.
328 2000-04-24 Nick Clifton <nickc@cygnus.com>
330 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
331 the source register is the frame pointer or arg pointer.
332 (addsi3_small_int): Disallow if source register is the frame
333 pointer or arg pointer.
335 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
337 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
338 call to AC_MSG_RESULT.
340 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
342 * invoke.texi: Correct grammatical errors, document
343 -fno-gnu-keywords as identical to -fno-asm for C++.
345 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
347 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
348 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
349 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
350 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
351 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
353 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
354 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
355 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
356 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
359 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
361 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
362 (pop_alignment): Likewise.
363 (handle_pragma_token): Likewise.
365 2000-04-24 Robert Lipe <robertlipe@usa.net>
367 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
369 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
371 * combine.c (try_combine): Update reg_nonzero_bits of
372 newi2pat before newpat.
374 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
376 * loop.c (strength_reduce): Simplify test to INSN_P.
377 (record_giv): Attempt to simplify the add value, use CONSTANT_P
378 expressions instead of CONST_INT.
379 (express_from_1): Likewise.
381 2000-04-24 Mark Mitchell <mark@codesourcery.com>
383 * regs.h (reg_n_max): Don't declare.
384 * flow.c (reg_n_max): Don't define.
385 * regclass.c (renumber): Don't initialize to zero.
386 (regno_allocated): Likewise.
388 (allocate_reg_info): Don't initialize unnecessarily.
390 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
392 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
393 and blockage_p in the newly allocated attribute.
395 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
397 * config/mn10300/mn10300.md (addsi): `inc4' on address
398 registers does not modify cc, but `inc' on an extended
401 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
403 * reload.c (find_equiv_reg): Checks all valueno regs
404 as a reload_reg_p regs.
406 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
408 * cpphash.c (collect_objlike_expansion): Add sanity check.
409 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
410 the buffer is the empty string, return. Mark __DATE__ and
411 __TIME__ as XCONST nodes, not MCONST.
412 (_cpp_macroexpand): Avoid pushing an empty buffer.
413 (funlike_macroexpand): Don't pop token_buffer here.
415 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
417 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
418 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
419 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
420 (REGNO_OK_FOR_BASE_P): Define in terms of them.
421 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
422 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
423 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
425 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
427 * loop.c (simplify_giv_expr): Be more agressive on simplifying
430 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
432 * cpphash.h (struct definition): Move file, line, col members...
433 (struct hashnode): ... here. Also add 'disabled' flag.
434 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
435 T_IDENTITY. Remove T_DISABLED.
438 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
439 (collect_expansion): Split into collect_objlike_expansion and
440 collect_funlike_expansion.
441 (_cpp_macroexpand): Split out scan_arguments, stringify, and
443 (_cpp_compare_defs): Rename compare_defs, make static.
444 (_cpp_make_hashnode): Initialize hp->disabled.
445 (macro_cleanup): Adjust for new token types. Clear
447 (_cpp_create_definition): Move code here to determine what
448 sort of macro it is, and code to check for redefinitions, from
449 do_define. Implement a few simple cases without creating a
451 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
452 Handle the simple cases.
453 (push_macro_expansion): Set buf->has_escapes and hp->disabled
456 * cppinit.c (builtin_array): Change MCONST to XCONST
458 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
459 fix check for disabled and function-like macros.
460 * cpplib.c (do_define): Move most logic to
461 _cpp_create_definition.
462 (do_undef): Handle new special token types.
464 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
466 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
467 of CONSTANT_P for mult_val; always use validate_change to update insn.
469 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
471 * cpphash.c (trad_stringify, add_pat): New functions.
472 (collect_expansion): Restore support for -traditional syntax.
473 Use trad_stringify and add_pat.
474 (_cpp_macroexpand): Restore support for -traditional semantics.
475 * cpplex.c (_cpp_scan_line): Don't change space_before if we
477 (_cpp_lex_token): Provide COMMENT tokens to caller if
478 traditional and parsing_define_directive.
479 (skip_comment): Warn about // comments if -Wtraditional.
480 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
482 (do_undef): Don't warn about undefining EMPTY nodes.
484 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
486 * loop.c (strength_reduce): Fix biv removal code.
488 2000-04-22 Richard Henderson <rth@cygnus.com>
490 * predict.c (estimate_probability): Examine both sides of
491 a branch for no exits. Use 90% not 50% for predict taken.
492 Reorg for one copy of note generation code.
494 2000-04-22 Richard Henderson <rth@cygnus.com>
496 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
498 2000-04-22 Richard Henderson <rth@cygnus.com>
500 * diagnostic.c (init_output_buffer): Don't initialize format_args.
501 (output_clear): Likewise.
502 (output_printf): Use va_copy.
503 (vline_wrapper_message_with_location): Likewise.
504 (v_message_with_decl): Likewise.
505 (line_wrapper_printf): VA_START infor buffer.format_args directly.
506 * system.h (va_copy): Provide default implementation.
508 2000-04-22 Richard Henderson <rth@cygnus.com>
510 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
511 the collected condition is not a constant.
513 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
515 * diagnostic.h: New file.
517 * Makefile.in (diagnostic.o): Depends on diagnostic.h
519 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
520 various function prototypes.
521 (diagnostic.h): #include.
522 (struct output_buffer): Move into diagnostic.h.
523 (get_output_prefix): Rename to output_get_prefix. Export.
524 (init_output_buffer): Export. Break out. Ajust intialization.
525 (output_space_left, output_append): Export.
526 (output_newline): Rename to output_add_newline. Export.
527 (output_clear): Nullify additional output_buffer fields.
528 (output_puts): Rename to output_add_string. Export.
529 (dump_output): Rename to output_flush_on. Export.
530 (build_location_prefix): Constify return-type.
531 (emit_output_prefix): Rename to output_emit_prefix. Export.
532 (set_real_maximum_length): New function.
533 (output_set_maximum_length): Ditto
534 (output_clear): Ditto.
535 (output_add_character): Ditto.
536 (output_add_integer): Ditto.
537 (output_add_space): Ditto.
538 (output_format): Ditto.
539 (output_printf): Adjust buffer initialization.
540 (vline_wrapper_message_with_location): Ditto.
541 (v_message_with_decl): Ditto. Adjust call to output_puts
542 and get_output_prefix.
543 (default_print_error_function): Adjust buffer intialization.
545 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
547 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
550 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
552 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
555 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
557 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
558 accurate data about SP moves.
560 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
562 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
563 aliases to AM33 registers.
565 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
567 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
568 to all EXTENDED bitmaps.
570 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
572 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
573 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
574 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
576 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
578 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
579 the operand is not constant.
581 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
583 * reload.c (find_equiv_reg): Checks all valueno and regno regs
584 as a call-clobbered regs.
586 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
588 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
590 * rtl.def: Update comment.
591 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
592 * integrate.c (expand_inline_function): Likewise.
593 * profile.c (branch_prob): Likewise.
594 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
595 * print-rtl.c (print_rtx): Likewise.
596 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
597 (reemit_notes): Likewise; also use enum insn_note.
599 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
600 (place_field): Properly compute know and actual alignment.
602 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
605 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
608 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
610 * cpphash.c (struct arg, struct arglist): Const-ify strings.
611 (warn_trad_stringify, duplicate_arg_p): New helper functions.
612 (collect_expansion): Rewrite to scan over a token list.
613 Remove -traditional support.
614 (collect_formal_parameters): Rename to collect_params; rewrite
615 to scan over a token list.
616 (_cpp_create_definition): Adjust to scan a token list.
617 (_cpp_macroexpand): Remove -traditional support.
618 (_cpp_compare_defs): Whitespace is now canonicalized.
619 (comp_def_part): Delete function.
621 * cpphash.h: Update prototypes.
622 * cpplex.c (init_token_list): Don't set lineno if there is no
624 (pedantic_whitespace): New function.
625 (_cpp_scan_line): Mark tokens that had hspace before. Don't
626 consume a newline. Use pedantic_whitespace.
627 (_cpp_lex_token): Remove support for -traditional macros.
628 (_cpp_get_define_token): Delete.
629 (_cpp_get_directive_token): Do the real work here. Use
631 (_cpp_init_input_buffer): Initialize pfile->directbuf.
633 * cpplib.c (get_macro_name): Delete.
634 (do_define): Read the entire line into pfile->directbuf, then
635 feed the token list to _cpp_create_definition.
636 * cpplib.h (HSPACE_BEFORE): new define.
637 (struct cpp_reader): Add a toklist member, "directbuf".
639 * predict.c (estimate_probability): New heuristic: if a jump
640 branches around a block with no successors, predict it taken.
641 Disentangle control flow.
643 2000-04-20 Richard Henderson <rth@cygnus.com>
645 * loop.c (emit_iv_add_mult): Revert last change.
647 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
649 * cpplib.h (enum cpp_ttype): Add token types for all
650 punctuators. Distinguish pp-numbers from valid C numbers.
651 Give some tokens better names. Initialize from macro.
652 (struct cpp_name, cpp_token, cpp_toklist): New data
655 * cpplex.c (bump_column, expand_name_space,
656 expand_token_space, init_token_list, cpp_output_list,
657 _cpp_scan_line): New functions.
658 (output_line_command): Add third argument, new line number.
659 * cpphash.h: Update prototypes.
660 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
663 2000-04-20 Richard Henderson <rth@cygnus.com>
665 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
667 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
669 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
672 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
674 * loop.c (emit_iv_add_mult): Simplify it's input and emit
675 REG_EQUAL note explaining the calculated value.
677 * calls.c (expand_call): Avoid unnecesary precalculation
678 and outgoing parameters space guarding for sibling calls.
679 (store_one_arg): Likewise.
681 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
683 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
684 (rest_of_compilation): Write sibling dump file and account
685 for time as jump time.
686 * invoke.texi: Update documentation on dump flags.
688 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
690 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
692 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
694 * cpphash.c (special_symbol): Represent an empty macro with
695 "\r \r " not just "\r ".
696 (_cpp_macroexpand): Correct condition for the foo ( ) special
698 (unsafe_chars): Handle EOF as second argument.
699 (push_macro_expansion): Simplify test for removing escape at
700 end. Do not trim both escapes if there is no text in between.
702 2000-04-19 Jim Blandy <jimb@redhat.com>
704 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
705 of PTR_SIZE, when appropriate.
707 2000-04-19 Mark Mitchell <mark@codesourcery.com>
709 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
710 (USE_ENUM_BITFIELDS): Fix typo.
712 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
714 * stor-layout.c (place_field): Set rli->offset_align properly.
716 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
718 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
719 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
720 PARM_BOUNDARY): Remove unnecessary casts.
722 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
724 * calls.c (precompute_arguments): Remove must_preallocate and
726 (expand_call): Update call of precompute_arguments.
728 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
729 check_insn_for_givs): Break out from ...
730 (strength_reduce) ... here; use for_every_insn_in_loop to call
732 * loop.h (for_every_insn_in_loop): Declare.
733 (loop_insn_callback): New type.
735 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
737 * cpplib.c (do_pragma_poison): Strings in the token buffer are
740 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
742 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
745 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
747 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
749 * configure.in: Delete --disable-cpplib option and all
750 references to cpp_main.
751 * configure: Regenerate.
752 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
753 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
754 cccp.o, cccp, or cppmain. Link cppmain.o straight to
755 cpp$(exeext). Add --no-headers to makeinfo command line when
756 generating INSTALL. Install and uninstall cpp.1 manpage, not
758 * install.texi: Delete all references to cexp.y/cexp.c.
759 Delete ancient instructions for compiling GCC on 3b1.
760 * INSTALL: Regenerate.
762 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
763 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
764 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
766 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
767 which is no longer tested anywhere.
769 * cppinit.c (handle_option): Don't run error message through
772 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
774 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
775 * cpperror.c (hashtab.h): Now include.
776 * cppexp.c (hashtab.h): Likewise.
777 * cpplex.c (hashtab.h): Likewise.
778 * cppfiles.c (hashtab.h): Likewise.
779 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
780 to htab_find_slot_with_hash.
781 * cpphash.c (hashtab.h): Now include.
782 (_cpp_lookup_slot): INSERT is now enum insert_option.
783 * cpphash.h (_cpp_lookup_slot): Likewise.
784 * cppinit.c (hashtab.h): Include earlier.
785 (initialize_builtins): Pass enum to htab_find_slot.
786 * cpplib.c (hashtab.h): Now include.
787 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
788 (do_pragma_poison, do_assert): Likewise.
789 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
790 htab_find_slot_with_hash.
791 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
792 * tree.c (type_hash_add): Likewise.
793 (build1): Minor cleanup.
795 * ggc-common.c: Add missing blanks.
796 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
797 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
799 * stmt.c (mark_case_node): New function.
800 (mark_case_nesting): Call it.
802 * expmed.c (emit_store_flag): If comparing two-word integer
803 with zero, can optimize NE, EQ, GE, and LT.
805 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
806 * conflict.c: Minor cleanups.
807 * optabs.c: Add blank line
808 * simplify-rtx.c: Minor cleanups.
810 2000-04-18 Stan Cox <scox@cygnus.com>
812 * gengenrtl.c (genlegend): Fix misspelling.
814 2000-04-18 Robert Lipe <robertlipe@usa.net>
816 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
817 bitfields of the host compiler are not signed quantities.
818 * config.in: Regenerate.
819 * configure: Regenerate.
820 * system.h (USE_ENUM_BITFIELDS): Added.
821 (ENUM_BITFIELDS): Added.
822 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
823 (SHORT_ENUM_BUG): Deleted.
824 * tree.h (tree_common): Members `code', `mode', `built_in_class',
826 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
827 (CODE_FIELD_BUG): Likewise.
828 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
830 * config/m68k/x-ccur (X_CFLAGS): Likewise.
832 2000-04-18 Mark Mitchell <mark@codesourcery.com>
834 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
837 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
839 * cppexp.c (lex): Don't assume tokens are NUL terminated.
840 * cpplib.c (do_include, do_import, do_include_next,
841 read_line_number, detect_if_not_defined): Likewise.
842 * cpphash.c (collect_expansion): Likewise.
843 (special_symbol, _cpp_macroexpand): Check return from
845 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
846 macros. Delete all uses.
848 * gcc.dg/cpp-mi.c: Add two more test cases.
849 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
851 2000-04-17 Richard Henderson <rth@cygnus.com>
853 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
854 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
856 2000-04-17 Mark Mitchell <mark@codesourcery.com>
858 * function.c (expand_function_start): Use hard_function_value to
859 compute the RTL to use for DECL_RESULT.
861 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
863 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
864 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
865 x86_memory_mismatch_stall): New global variables.
866 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
867 alloved; fix load penalties for Athlon.
868 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
869 x86_memory_mismatch_stall): Declare.
870 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
871 TARGET_MEMORY_MISMATCH_STALL): New.
872 * i386.md (athlon scheduling parameters): Fix latencies according to
873 Athlon Optimization Manual.
874 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
876 (fsqrt instruction patterns): Set athlon_decode to direct.
877 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
878 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
879 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
880 and TARGET_PARTIAL_REGISTER_STALL machines.
881 (pushdf_nointeger): New pattern.
882 (pushdf_integer): Rename from pushdf.
883 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
884 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
886 2000-04-17 Richard Henderson <rth@cygnus.com>
888 * loop.c (canonicalize_condition): Add WANT_REG argument.
889 Stop the search if we match it.
890 * expr.h (canonicalize_condition): Update decl.
891 * predict.c (expected_value_to_br_prob): Use it. Track last
893 (find_expected_value): Remove.
895 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
897 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
899 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
900 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
902 * configure.in: Call AC_FUNC_MMAP_FILE.
903 * configure: Regenerate.
904 * config.in: Regenerate.
906 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
907 * fixinc/fixincl.c: Likewise.
909 2000-04-17 Richard Henderson <rth@cygnus.com>
911 * builtins.c (expand_builtin_expect): New.
912 (expand_builtin): Call it.
913 * builtins.def (BUILT_IN_EXPECT): New.
914 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
915 * extend.texi: Document it.
917 * predict.c (expected_value_to_br_prob): New.
918 (find_expected_value): New.
919 * basic-block.h (expected_value_to_br_prob): Declare.
920 * toplev.c (rest_of_compilation): Invoke it.
922 * rtl.h (NOTE_EXPECTED_VALUE): New.
923 (NOTE_INSN_EXPECTED_VALUE): New.
924 * rtl.c (note_insn_name): Update.
925 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
926 cases; handle NOTE_INSN_EXPECTED_VALUE.
928 2000-04-17 Jakub Jelinek <jakub@redhat.com>
930 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
931 leaf sibcall delay slot if flag_pic.
932 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
934 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
936 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
938 * fixproto: If fix-header fails, exit with an error.
940 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
942 * cse.c (struct check_depdendence_data): New.
943 (check_dependence): New function.
944 (invalidate): Use check_depdenence.
946 2000-04-16 Mark Mitchell <mark@codesourcery.com>
948 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
949 UNITS_PER_WORD is unsigned.
951 * tree.h (struct tree_common): Remove misleading comment.
953 2000-04-16 Dave Pitts <dpitts@cozx.com>
955 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
956 message in quotes. Otherwise, IBM's make program treats the '#' as the
957 start of a comment and ignores the remainder of the line.
959 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
961 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
962 * cexp.y (initialize_random_junk): Likewise.
963 * cppfiles.c (find_include_file): Cast alloca return value.
964 * cppinit.c (initialize_standard_includes): Likewise.
965 * cpplib.c (cpp_define, cpp_undef): Likewise.
966 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
967 * final.c (output_asm_insn): Allow for holes in EBCDIC.
968 * fold-const.c (CHARMASK): New.
969 (real_hex_to_f): Use it.
970 * real.c (CHARMASK): New.
971 (etoasc, asctoeg): Use it.
972 (asctoeg): EBCDIC lower case characters preceed upper case.
974 * i370.c (mvs_add_label): Change spacing for coding conventions.
975 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
976 outputing case vectors.
977 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
978 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
979 since vector in in the data CSECT.
980 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
981 * i370.md (Many patterns): Put the length in the XL directives.
982 (movdi): Put back STM and MVC in definition.
983 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
984 pattern using the TCA.
985 * oe.h (CPP_SPEC): Added to allow trigraphs.
986 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
987 not support the "long long" type.
989 2000-04-16 Mark Mitchell <mark@codesourcery.com>
991 * config/mips/mips-protos.h (mips_legitimate_address_p): New
993 (mips_reg_mode_ok_for_base_p): Likewise.
994 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
995 (REG_OK_FOR_INDEX_P): Define unconditionally.
996 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
997 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
998 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
999 that GET_MODE_SIZE is unsigned.
1000 (mips_reg_mode_ok_for_base_p): Define.
1001 (mips_legitimate_address_p): Likewise. Adjust now
1002 that GET_MODE_SIZE is unsigned.
1003 (block_move_loop): Make the number of bytes unsigned.
1004 (expand_block_move): Likewise.
1005 (function_arg): Make the loop counter unsigned to match the
1008 2000-04-16 Richard Henderson <rth@cygnus.com>
1010 * rtl.h (enum insn_note): New enumeration. Subsume
1011 NOTE_INSN_DELETED and friends.
1012 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1013 * rtl.c (note_insn_name): Tweak string order.
1015 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1017 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1020 * cpplex.c (output_line_command): Remove debugging prints.
1021 (cpp_output_tokens): Don't write out a zero-length buffer or
1022 try to see if it has a newline in it.
1023 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1024 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1025 the end of the loop. Use memmove. Don't read past the end of
1026 the buffer. Remove trailing newlines from error messages.
1028 2004-04-16 Neil Booth <NeilB@earthling.net>
1030 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1031 * cpplib.c: Add new syntax flags to directive table, and
1034 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1036 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1039 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1041 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1042 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1044 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1046 * Makefile.in (ggc-page.o): Now includes toplev.h.
1047 * ggc-page.c (toplev.h): Now included.
1048 (gc_time): Remove declaration.
1049 (ggc_collect): TIME now long.
1050 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1052 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1054 * toplev.c: Make *_time variable long to reduce chance of overflow.
1055 (TIMEVAR): Likewise for `otime'.
1056 (print_time): Arg is now long; compute percentage in FP and round.
1057 * toplev.h (print_time): Arg is long.
1059 * tree.c: Minor whitespace changes.
1061 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1062 * configure: Rebuilt.
1063 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1064 (__fixunsxfDI): Renamed from __fixunsxfdi.
1065 (__fixunsdfDI): Renamed from __fixunsdfdi.
1066 (__fixunssfDI): Renamed from __fixunssfdi.
1067 (__floatdisf): Use proper type in REP_BIT macro.
1068 (__fixunsxfSI): Renamed from __fixunsxfsi.
1069 (__fixunsdfSI): Renamed from __fixunsdfsi.
1070 (__fixunssfSI): Renamed from __fixunssfsi.
1071 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1072 Change location of macros and upper-case some names as above.
1073 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1074 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1076 * varasm.c (assemble_variable): Add cast to remove warning.
1077 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1079 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1080 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1081 region number to -1.
1083 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1085 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1086 call unshare_all_rtl.
1088 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1090 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1092 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1093 Use .s1 not .s0 for all FP instructions.
1095 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1097 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1099 (safe_fwrite, output_line_command): New static functions.
1100 (cpp_expand_to_buffer): Now private to cpplib.
1101 (cpp_scan_buffer): Take a printer.
1103 * cpphash.h: Update prototypes.
1104 * cpplib.h: Update prototypes.
1106 (cpp_buffer): Remove last_nominal_fname.
1107 (cpp_reader): Remove lineno.
1109 * cppmain.c: Use a cpp_printer.
1110 * fix-header.c: No need to inhibit line commands. Call
1111 cpp_start_read with no printer.
1113 * cpperror.c (cpp_notice_from_errno): Provide default name.
1114 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1115 (find_include_file, cpp_read_file): Use make_IHASH.
1116 (file_cleanup): Set control_macro and clear
1117 input_stack_listing_current here.
1118 (_cpp_execute_include): Don't output entering-file marker.
1119 * cpphash.c (special_symbol): Look for the line number in the
1120 buffer, not the reader.
1121 (_cpp_macroexpand): No need to disable line commands.
1122 (_cpp_dump_definition): No need to generate line commands.
1123 (dump_hash_helper): Remove excess newline from output.
1124 * cppinit.c (dump_special_to_buffer): No need to generate line
1126 (cpp_printer_init): New.
1127 (cpp_start_read): Take a printer, and start it up if it's not
1128 NULL. No need to generate line commands.
1129 (cpp_finish): Expect no buffers stacked at all. Take a
1130 printer argument, and flush the output buffer if it's not
1132 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1133 Don't put two hashes at the beginning of an assertion.
1134 (cpp_get_token): Don't increment pfile->lineno or emit line
1135 commands here. Return EOF if there's no buffer when we get
1137 * cpplib.c (do_define, skip_if_group):
1138 No need to disable line commands.
1139 (_cpp_output_line_command): Delete function.
1140 (do_line): Don't emit line commands here, but set things up so
1141 they will be emitted if necessary. Use _cpp_fake_ihash to
1142 make unique nominal_fnames if necessary.
1143 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1144 with 0 for column, not -1.
1145 (_cpp_handle_eof): Don't set the control macro here. Don't
1146 clear input_stack_listing_current here. Don't emit line
1149 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1151 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1152 always, use the default SVR4 start address.
1154 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1155 (LINK_SHLIB_SPEC): Define.
1156 (LINK_START_DEFAULT_SPEC): Define.
1157 (LINK_OS_DEFAULT_SPEC): Define.
1159 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1161 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1162 __do_global_ctors to handle constructors.
1163 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1164 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1165 (STARTFILE_MVME_SPEC): Likewise.
1166 (STARTFILE_SIM_SPEC): Likewise.
1167 (ENDFILE_ADS_SPEC): Use crtend.
1168 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1169 (ENDFILE_MVME_SPEC): Likewise.
1170 (ENDFILE_SIM_SPEC): Likewise.
1171 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1172 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1173 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1174 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1175 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1176 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1177 (CRTSTUFF_T_CFLAGS_S): Define.
1178 * config/rs6000/eabi-ctors.c: Delete.
1180 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1183 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1187 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1189 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1190 plus mask size is smaller or equal to the mode size.
1192 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1194 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1197 * expr.c (reload.h): Now included.
1198 (emit_block_move): Set volatile_ok when checking for movstr.
1199 (emit_move_1): Check for replacements in addresses in multi-word case.
1200 * Makefile.in (expr.o): Now includes reload.h.
1202 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1203 Never have a LIBCALL end a basic block.
1204 (find_basic_blocks_1): Likewise.
1205 Reorganize CALL_INSN cases.
1207 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1209 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1211 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1212 completers from mov.ret instruction.
1214 2000-04-14 Richard Henderson <rth@cygnus.com>
1216 * fold-const.c (extract_muldiv): Don't distribute and widen
1217 multiply across plus for non-sizetype unsigned types.
1219 2000-04-14 Richard Henderson <rth@cygnus.com>
1221 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1222 If the original source is dead in the incr insn, it's dead now.
1224 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1226 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1227 see if DECL_BIT_FIELD needs to still be set.
1229 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1231 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1232 print_int_cst_octal with something that's not an INTEGER_CST.
1234 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1235 and not a SUBREG to a FLOAT rtl.
1237 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1239 * emit-rtl.c (try_split): Avoid infinite loop if the split
1240 results in a sequence that contains the original insn.
1242 2000-04-13 Andreas Jaeger <aj@suse.de>
1244 * config/mips/mips.c (expand_block_move): Pass alignment
1245 argument to move_by_pieces in bits, not bytes.
1247 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1248 __pic__ for little endian.
1250 2000-04-13 Andreas Jaeger <aj@suse.de>
1252 * config/i386/i386-protos.h: Add prototype for
1253 uno_comparison_operator.
1255 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1257 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1258 * calls.c (ECF_PURE): New flag.
1259 (emit_call_1): Handle ECF_PURE calls.
1260 (initialize_argument_information): Unset ECF_PURE flag too.
1261 (precompute_arguments): Precompute for ECF_PURE too.
1262 (expand_call): Handle ECF_PURE calls too.
1263 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1264 accept value of 2 as pure function.
1265 (emit_library_call_value, emit_library_call): Rename no_queue argument
1267 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1269 * tree.h (DECL_IS_PURE): New macro.
1270 (struct tree_decl): Add pure_flag.
1271 * c-common.c (enum attrs): Add attribute "pure".
1272 (init_attributes): Initialize attribute "pure"
1273 (decl_attributes): Handle attribute "pure".
1274 * extend.texi (Attribute "pure"): Document.
1275 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1277 (flags_from_decl_or_type): Support attribute "pure".
1279 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1281 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1282 the token except for numbers and identifiers.
1284 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1286 * i386.c (ix86_expand_binary_operator,
1287 ix86_expand_unary_operator): Check no_new_pseudos
1288 instead of reload_in_progress and reload_completed.
1289 (ix86_split_ashldi, ix86_split_ashrdi,
1290 ix86_split_lshrdi): Check no_new_pseudos instead
1291 of reload_completed.
1293 2000-04-12 Jeffrey A Law (law@cygnus.com)
1295 * function.c (purge_addressof): Unshare any shared rtl created by
1296 purge_addressof and its children.
1298 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1300 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1303 2000-04-05 Andreas Jaeger <aj@suse.de>
1305 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1306 not compiling PIC code, add flags for mabi=64.
1307 (SUBTARGET_CPP_SIZE_SPEC): New.
1308 (SUBTARGET_CPP_SPEC): New.
1309 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1310 for MIPS/Linux and lots of code needs these defines.
1312 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1314 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1315 trying the "opposite arithmetic" approach.
1317 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1319 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1320 (struct sh_args): Add new field force_mem.
1321 (INIT_CUMULATIVE_ARGS): Initialize it.
1322 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1324 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1326 * calls.c (expand_call): Do not reverse args in "equal from" field.
1327 (emit_library_call_value_1): Emit_libcall_block for const and pure
1330 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1332 * reload1.c (reload_combine): Don't enable optimization for fixed
1333 registers when encountering a BARRIER.
1335 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1337 * builtins.c (expand_builtin_memcmp): Do expansion even with
1338 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1340 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1341 stack is propertly aligned; add sanity checking for aligned
1343 (expand_library_call_value_1): Add sanity checking for aligned
1346 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1348 * calls.c (emit_library_call_value_1): Change 3rd arg to
1349 locate_and_pad_parm to disregard the setting of partial.
1351 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1353 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1355 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1356 CALL_INSN from the normal case.
1358 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1360 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1361 New global variables.
1362 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1364 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1366 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1367 TARGET_ADD_ESP_8): New macros.
1368 * i386.md: Add peep2s to convert esp adjustments to push and pop
1370 (pushsi_prologue, popsi_epilogue): New patterns.
1372 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1374 * real.c (toe64): Remove stale #endif from the last change.
1376 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1378 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1379 * real.c (toe64): Revert previous change.
1381 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1383 * objc/objc-act.c: Include ggc.h.
1384 (objc_tree_index, objc_global_trees): Convert most of the
1385 static tree variables into a static array with previous names
1387 (objc_ellipsis_node): New variable.
1388 (lang_init): Call objc_act_parse_init and c_parse_init.
1389 Create objc_ellipsis_node.
1390 (build_selector_translation_table): Use objc_ellipsis_node instead
1392 (hack_method_prototype): Likewise.
1393 (get_arg_type_list): Likewise.
1394 (start_method_def): Likewise.
1395 (continue_method_def): Likewise.
1396 (gen_method_decl): Likewise.
1397 (ggc_mark_imp_list): New function.
1398 (ggc_mark_hash_table): New function.
1399 (objc_act_parse_init): New function.
1400 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1401 * c-parse.in (c_parse_init): For objc add roots of objc specific
1402 local tree variables.
1403 * objc/objc-parse.y: Rebuilt.
1404 * objc/objc-parse.c: Rebuilt.
1405 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1407 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1409 * cse.c (delete_trivially_dead_insns): Also delete insns
1410 that copy a register to itself where the destination is
1413 2000-04-11 Richard Henderson <rth@cygnus.com>
1415 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1416 (propagate_block): Initialize them. Use them in parallel instead
1417 of one tmp variable, ie revert much of the 0408 and 0407 functional
1418 changes, but keep the structural changes.
1419 (mark_set_regs): Take new_dead from propagate_block_info instead.
1420 (mark_set_1, mark_set_reg): Likewise.
1421 (mark_used_regs): Likewise with new_live.
1422 (mark_used_reg): Likewise. Revert 0408 change.
1424 2000-04-11 Nick Clifton <nickc@cygnus.com>
1426 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1428 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1430 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1432 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1433 const section to output a CONSTRUCTOR based on the same conditions
1436 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1438 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1439 * pa/pa-protos.h (output_call): Add additional argument indicating
1440 if the call is a sibling/tail call.
1441 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1442 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1443 (function_arg, function_arg_partial_nregs): Likewise
1444 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1445 (emit_move_sequence): Zero extend certain constants as needed
1447 (compute_zdepdi_operands, output_64bit_and): New functions.
1448 (output_64bit_ior, function_arg): Likewise.
1449 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1450 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1451 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1452 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1453 (output_bvb): Likewise.
1454 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1455 (output_call): New argument 'sibcall'. Generate sibcall sequences
1457 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1458 (ouput_arg_descriptor): Do not emit argument descriptors for
1460 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1462 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1463 (FUNCTION_OK_FOR_SIBALL): Define.
1464 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1465 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1466 (CPP_SPEC): Use new spec infrastructure.
1467 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1468 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1469 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1470 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1471 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1472 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1473 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1474 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1475 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1476 (FUNCTION_ARG); Call out to C code.
1477 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1478 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1479 (MIN_UNITS_PER_WORD): Likewise.
1480 * pa/pa.md (cmpdi): New expander.
1481 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1482 (64bit conditional arithmetic): New patterns.
1483 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1484 (movsicc): Not available if modes on all the operands to not match.
1485 (movdicc): New expander and associated patterns.
1486 (64bit branches): New patterns.
1487 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1488 (pre_ldd, post_std): New patterns.
1489 (64bit addil, load low part): New patterns.
1490 (special movsf constant): Not available for TARGET_64BIT.
1491 (movsf, movdf expanders): Force constants into memory.
1492 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1493 (64bit movdf/movdi patterns): New patterns.
1494 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1496 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1497 (adddi3 expander): Allow "arith_operand" for second input.
1498 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1499 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1500 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1501 (muldi3): New expander for TARGET_64BIT.
1502 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1504 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1505 patterns for TARGET_64BIT.
1506 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1507 patterns for TARGET_64BIT.
1508 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1509 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1510 (sibcall_epilogue): New expander.
1511 (casesi): Tweak for TARGET_64BIT.
1512 (call expanders): Set & use the outgoing argument pointer. Use the
1513 64bit call patterns as needed. Add additional arg to output_call.
1514 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1515 (sibcall, sibcall_internal_symref): New expanders.
1516 (sibcall_value, sibcall_value_internal_symref
1517 (interspace_jump): Turn into an expander + matching patterns.
1518 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
1519 * pa/pa64-regs.h: Eliminate trigraph sequences.
1520 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
1522 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
1524 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
1525 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
1526 cpp_token with cpp_ttype everywhere.
1527 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
1528 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
1529 CPP_BUF_COL. Line and column numbers are unsigned int, not
1531 * cpplex.c (cpp_buf_line_and_col): Delete.
1532 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
1533 'long lineno' to 'unsigned int lineno'.
1534 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
1536 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1538 * extend.texi: ISO C99 is not a draft anymore.
1539 * invoke.texi: ISO C++ is not a draft anymore.
1540 * cpp.texi: __cplusplus is required by the ISO standard.
1542 * extend.texi (-fthis-is-variable): Undocument.
1543 * flags.h (warn_template_debugging): Remove declaration.
1544 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
1545 -Wenum-clash, -Wtemplate-debugging): Undocument.
1547 2000-04-10 Nick Clifton <nickc@cygnus.com>
1549 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
1551 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
1553 (ARM_SIGN_EXTEND): Use HOST_UINT.
1554 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
1555 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
1556 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
1557 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
1559 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
1560 (arm_gen_constant): Use HOST_UINT.
1561 (arm_canonicalize_constant): Use HOST_UINT.
1562 (arm_reload_in_hi): Use HOST_UINT.
1563 (arm_reload_out_hi): Use HOST_UINT.
1564 (output_multi_immediate): Use HOST_UINT.
1565 (int_log2): Use HOST_UINT.
1566 (arm_poke_function_name): Use HOST_UINT.
1567 (arm_output_epilogue): Use arm_volatile_func().
1568 (output_thumb_prologue): Use arm_strip_name_encoding().
1570 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1572 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
1573 of sequence point problems.
1575 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
1577 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
1579 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
1581 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1583 * sbitmap.h: Whitespace changes and use upper-case macro args.
1584 (struct simple_bitmap_def): All sizes now unsigned.
1585 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
1586 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
1587 (sbitmap_vector_alloc): Parms and local vars now unsigned.
1588 (sbitmap_zero): Cast bzero arg to PTR.
1589 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
1590 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
1591 loop to make structure clearer.
1592 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
1593 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
1594 (sbitmap_a_and_b_or_c): Likewise.
1595 (sbitmap_intersection_of_succs): Minor cleanups.
1596 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
1597 (sbitmap_union_of_preds): Likewise.
1598 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
1599 (debug_sbitmap): New function.
1601 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
1602 * c-typeck.c (convert_for_assignment): Likewise.
1604 * expmed.c (init_expmed): Don't free objects we make.
1605 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
1607 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
1608 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
1610 * gcse.c (expr_hash_table_size): Now unsigned.
1611 (compute_ae_gen): Local variable `i' now unsigned.
1612 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
1613 (compute_transout, hoist_code): Likewise.
1614 (compute_local_properties): Likewise, also hash_table_size.
1615 (alloc_expr_hash_table): N_INSNS now unsigned.
1616 (delete_null_pointer_checks): Mark arg F as unused.
1618 * regrename.c: Minor cleanups, including chang some variables
1621 2000-04-10 Neil Booth <NeilB@earthling.net>
1623 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
1625 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
1627 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1629 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
1630 __classof__, and __headof__ from the list of gnu keywords.
1631 (-ansi): Remove -foperator-names from list of implied options.
1632 Do not call it ANSI C++.
1633 (-foperator-names): Document as -fno-operator-names.
1635 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
1637 * cpphash.c (timestamp): Delete.
1638 (del_HASHNODE): If type is T_MCONST, free value.cpval.
1639 (special_symbol): Remove unnecessary braces. Remove
1640 T_VERSION. Treat T_STDC like T_CONST unless
1641 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
1642 when one is encountered, then convert them into T_MCONST
1644 * cppinit.c (builtin_array): version_string is T_MCONST.
1645 __STDC__ has a "1" in its cpval. Don't have a terminator
1646 entry. Clean up which entries are dumped.
1647 (initialize_builtins): Only __STDC__ gets the special
1648 -traditional treatment. Count the length of builtin_array.
1649 Render version_string here.
1650 * cpphash.h: Remove T_VERSION. Add T_MCONST.
1651 * cpplib.h (struct cpp_reader): Remove timebuf.
1653 2000-04-09 Richard Henderson <rth@cygnus.com>
1655 * genrecog.c (pred): Update comparison_operator for the unordered
1658 * config/i386/i386.c (no_comparison_operator): Disallow unordered
1660 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
1661 (uno_comparison_operator): New.
1662 (put_condition_code): Handle UNORDERED/ORDERED.
1663 (unsigned_comparison): Likewise.
1664 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
1665 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
1666 (ix86_expand_fp_compare): Use them. Take scratch as argument,
1667 update all callers. Handle all 8 unordered operators.
1668 (ix86_expand_setcc): Lose the unordered argument, update all callers.
1669 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
1670 * config/i386/i386.h (PREDICATE_CODES): Update.
1671 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
1672 (ix86_expand_branch, ix86_expand_setcc): Update.
1673 * config/i386/i386.md (sunordered, sordered): New.
1674 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
1675 (bunordered, bordered): New.
1676 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
1677 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
1678 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
1680 2000-04-09 Philip Blundell <philb@gnu.org>
1682 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
1684 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
1686 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
1687 fix_truncxfhi2): New patterns.
1688 * i386.c (output_fix_trunc): Handle converting to HImode.
1690 2000-04-08 Alex Samuel <samuel@codesourcery.com>
1692 * ssa.c (convert_to_ssa): Eliminate dead code when calling
1694 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
1695 (for_each_successor_phi): Change parameter to basic_block.
1696 (coalesce_regs_in_successor_phi_nodes): Likewise.
1697 (coalesce_regs_in_copies): Likewise.
1698 (compute_coalesced_reg_partition): Use basic_block instead of index.
1699 * rtl.h (convert_to_ssa): Delete.
1700 (convert_from_ssa): Likewise.
1701 (successor_phi_fn): Likewise.
1702 (for_each_successor_phi): Likewise.
1703 (in_ssa_form): Likewise.
1704 * basic-block.h (convert_to_ssa): Moved from rtl.h.
1705 (convert_from_ssa): Likewise.
1706 (successor_phi_fn): Likewise.
1707 (in_ssa_form): Likewise.
1708 (for_each_successor_phi): Likewise. Change parameter to basic_block.
1709 * flow.c (calculate_global_regs_live): Pass a basic_block to
1710 for_each_successor_phi.
1712 2000-04-08 Richard Henderson <rth@cygnus.com>
1714 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
1715 was modified in the current insn.
1717 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1719 * arm/thumb.md: Delete.
1720 * arm/thumb-protos.h: Delete.
1722 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1724 Merge changes from merged-arm-thumb-backend-branch onto trunk.
1726 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1728 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
1731 * arm.md (nop): Use the standard RTL expression. Don't code as a
1733 (*arm_nop, *thumb_nop): Delete.
1735 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
1736 constants. Use casts instead.
1737 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
1738 output_multi_immediate, arm_poke_function_name): Likewise.
1739 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
1740 MASK_RETURN_ADDDR): Likewise.
1742 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
1744 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
1747 * arm.md (eh_epilogue): New function.
1748 * arm.h (struct machine_function): Move to here ...
1749 * arm.c: ... from here.
1750 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
1751 (thumb_exit): Extra parameter eh_ofs. All callers changed.
1752 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
1754 2000-03-30 Nick Clifton <nickc@cygnus.com>
1756 * config/arm/semi.h (ASM_SPEC): Restore definition.
1757 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1759 * config/arm/elf.h (ASM_SPEC): Restore definition.
1760 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1762 * config/arm/arm.h (ASM_SPEC): Remove definition.
1763 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
1765 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
1767 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
1769 2000-03-24 Nick Clifton <nickc@cygnus.com>
1771 Various formating tidyups, elimination of compile time
1772 warnings and synchronisation with internal sources:
1774 * config/arm/arm-protos.h (assemble_align): Add prototype.
1775 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1776 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1777 (arm_return_addr_rtx): Rename to arm_return_addr.
1779 * config/arm/arm.c: Include except.h.
1780 Define shorter typenames for strict minipool_node and struct
1782 (arm_return_in_memory): For WinCE return all structures <= 32 bits
1784 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1785 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1787 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1789 (ASM_SPEC): Define if not already defined.
1790 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1792 * config/arm/arm.md: Rename references to gen_rotated_half_load to
1793 arm_gen_rotated_half_load, and references to gen_comapre_reg to
1794 arm_gen_compare_reg.
1795 (indirect_jump): Only accept register operands.
1796 (load_indirect_jump): Keep this pattern since combine can generate
1799 * config/arm/coff.h: Include aout.h.
1800 (MULTILIB_DEFAULTS): Only define if not already defined.
1802 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
1803 into arm.h (so that COFF ports can support thumb based aliases).
1804 (ASM_SPEC): Move definition into arm.h
1806 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
1807 redundant apcs spec.
1808 (ASM_SPEC): Move definition to arm.h
1810 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
1812 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
1813 for entries in the .bss section
1815 2000-03-23 Nick Clifton <nickc@cygnus.com>
1817 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
1818 to thumb_far_jump_used_p.
1820 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
1821 single integer parameter.
1823 * config/arm/arm.c (struct machine_function): Add two new
1824 fields, 'far_jump_used' and 'arg_pointer_live'.
1825 (thumb_far_jump_used_p): Once the decision has been made that
1826 far jumps might be used, always return true.
1827 If being called from the initial elimination offset macro then
1828 do not bother to perform the test if the arg pointer is not
1830 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
1831 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
1833 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
1835 * arm.c (output_return_instruction): Handle more cases where we can
1836 return from a function with an ldr instruction.
1837 (arm_output_epilogue): Likewise.
1839 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
1840 if we need to push a large stack frame and there are no callee-saved
1843 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
1844 in ARM code if the frame pointer has been eliminated.
1846 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
1847 unspec_volatile arguments to avoid duplicates.
1848 (consttable_1, consttable_2): Fixes for big-endian mode.
1850 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
1853 Re-write constant pool code.
1854 * arm.c (minipool_node, minipool_fix): New types.
1855 (minifix): Delete type.
1856 (arm_add_minipool_constant): Delete.
1857 (arm_compute_minipool_offsets, arm_find_barrier,
1858 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
1859 (get_jump_table_size): Now returns HOST_WIDE_INT.
1860 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
1862 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
1863 (assign_minipool_offsets, arm_print_value): Likewise.
1864 (dump_minipool): Rewrite.
1865 (arm_barrier_cost): New function.
1866 (create_fix_barrier): New function.
1867 (push_minipool_barrier): New function.
1868 (push_minipool_fix): Record additional information about the fixup
1870 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
1871 check the mode of what needs fixing.
1872 (arm_reorg): Rewrite.
1874 2000-03-08 Nick Clifton <nickc@cygnus.com>
1876 * config/arm/arm.md (indirect_jump): Force constant addresses into
1879 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
1881 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
1883 2000-02-24 Nick Clifton <nickc@cygnus.com>
1885 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
1886 adjust is word aligned.
1887 (thumb_expand_epilogue): Make sure that stack adjust is word
1890 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
1892 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
1894 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
1895 pointer relative addresses.
1897 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
1899 * arm.c (find_barrier): Find the last barrier within the allowed
1902 2000-02-09 Nick Clifton <nickc@cygnus.com>
1904 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
1906 2000-02-09 Nick Clifton <nickc@cygnus.com>
1908 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
1909 ARM_FUNCTION_PROFILER.
1911 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
1912 ARM_FUNCTION_PROFILER.
1914 * config/arm/linux-oldld.h: Imported from mainline sources.
1916 2000-02-07 Nick Clifton <nickc@cygnus.com>
1918 * config/arm/lib1funcs.asm: Merge in thumb functions from
1921 * config/arm/lib1thumb.asm: Delete.
1923 2000-02-04 Nick Clifton <nickc@cygnus.com>
1925 * config/arm/arm.c: Sychronised with current Red hat local
1927 * config/arm/arm.h: Ditto.
1928 * config/arm/arm-protos.h: Ditto.
1930 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
1932 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
1934 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
1937 2000-02-02 Nick Clifton <nickc@cygnus.com>
1939 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
1941 * config/arm/arm.md (epilogue): Fix rtl checking abort because
1942 (return) was emited using an emit_insn() call.
1944 2000-01-31 Nick Clifton <nickc@cygnus.com>
1946 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
1948 (thumb_exit): Move frame pointer back into hard frame pointer
1949 register if backtracing is being used.
1951 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
1953 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
1956 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
1958 * config/arm/arm.md (neg_pool_offset): Provide default for new
1960 (arm_movsi_insn): Add neg_pool_offset attribute.
1961 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
1962 rtx for the insn that starts the scan and an unsigned long for its
1963 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
1964 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
1965 instructions in *PINSERTED.
1966 (struct minipool_fixup): Add MIN_ADDRESS elt.
1967 (sort_fixups): Compute it.
1968 (arm_reorg): Changes to support inserting pools before the insn to be
1971 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
1973 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
1974 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
1975 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
1977 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
1979 * config/arm/semi.h (TARGET_VERSION): Do not define if already
1981 (TARGET_DEFAULT): Do not define if already defined.
1983 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
1985 * config/arm/arm.md (anddi3): Allow disjoint source operands.
1986 (iordi3): Allow disjoint source operands.
1987 (xordi3): Allow disjoint source operands.
1988 (negdi2): Permit construction for ARM and Thumb.
1989 (arm_negdi2): Renamed version of old negdi2 pattern.
1990 (thumb_negdi2): New pattern: Only permit non-overlapping
1991 source and destination.
1993 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
1995 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
1996 scratch low register so that it will not be deleted.
1998 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2000 * config/arm/pe.h (ARM_PE): Define.
2002 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2003 interfacearm attribute if this is a PE toolchain.
2004 (output_return_instruction): Do not emit anything if the function
2005 has the naked attribute set.
2006 (is_called_in_ARM_mode): If the function has the interfacearm
2007 attribute then return true.
2008 (thumb_expand_prologue): Do not generate a prologue for naked
2010 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2012 (output_thumb_prologue): Do not bother if the function is naked.
2013 Strip PE encoding from function name before emitting.
2015 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2017 * arm.md (pic_load_addr): Fix constraints.
2019 * arm.md (casesi_insn): Fix mis-applied patch.
2021 * arm.md ("core" function unit): Add rules for single- and
2023 (All TARGET_THUMB patterns): Add "type" attribute information
2025 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2026 the following insn is a CALL.
2028 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2030 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2031 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2032 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2034 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2036 * config/arm/linux-gas.h: oops - this file was missed out when the
2037 branch was created...
2039 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2041 * thumb.c: Deleted. Move contents to ...
2043 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2045 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2048 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2049 declare a prototype for asm_output_align();
2051 * arm.c (thumb_condition_code): Delete.
2052 (arm_print_operand): Always use arm_condition_code array.
2054 * arm.c (thumb_return_addr_rtx): Delete.
2055 (arm_save_machine_status, arm_restore_machine_status): Delete.
2056 (arm_init_machine_status, arm_mark_machine_status): New functions.
2057 (arm_init_expanders): Update accordingly.
2058 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2059 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2060 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2062 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2064 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2066 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2069 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2071 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2072 stack backtrace structure.
2074 * config/arm/arm-protos.h: Add prototypes for functions defined in
2077 * config/arm/arm.c (arm_override_options): Fix selection of
2078 attributes of default processor.
2080 * config/arm/coff.h: Delete needless #include.
2082 * config/arm/pe.c: Delete unused code.
2084 * config/arm/pe.h (CPP_DEFINES): Delete
2085 (SUBTARGET_CPP_SPEC): Define.
2086 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2088 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2090 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2092 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2094 (CAN_DEBUG_WITHOUT_FP): Define.
2095 (FIXED_REGISTERS): Make r11 call-saved.
2096 (CALL_USED_REGISTERS): Likewise.
2097 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2098 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2099 frame-pointer is required.
2100 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2101 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2102 if the target normally needs a stack frame in non-leaf functions.
2103 (use_return_insn): Correct logic for determining when a return
2104 instruction can be used.
2105 (output_return_instruction): Handle the frame-pointer register as
2106 a normal register when not TARGET_APCS_FRAME.
2107 (arm_output_prologue): Likewise.
2108 (arm_output_epilogue): Likewise.
2109 (output_func_epilogue): Likewise.
2110 (arm_expand_prologue): Likewise.
2111 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2113 * arm.c (use_return_insn): No need to check floating point regs if
2115 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2116 the code of value stored in the minipool array.
2117 (arm_add_minipool_constant): Likewise.
2119 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2121 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2123 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2125 * tree.c (tree_expr_nonnegative_p): New function.
2127 * tree.h (tree_expr_nonnegative_p): Declare.
2129 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2130 elide some sign_compare warnings.
2131 (build_conditional_expr): Likewise.
2133 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2135 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2137 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2138 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2139 operand. Abort if a 387 operand has an unsupported size.
2141 2000-04-08 Neil Booth <NeilB@earthling.net>
2143 * cppexp.c (parse_charconst): Null does not end character
2145 * cppinit.c (ISTABLE): Null character handled as whitespace.
2146 * cpplex.c (null_warning): new function.
2147 (skip_string): Emit warning if nulls encountered.
2148 (_cpp_skip_hspace): Emit warning if nulls encountered.
2149 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2153 2000-04-07 Richard Henderson <rth@cygnus.com>
2155 * flow.c (loop_depth): Remove.
2156 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2157 (struct propagate_block_info): New.
2158 (life_analysis): Don't allocate reg_next_use.
2159 (propagate_block_delete_insn): Break out of propagate_block.
2160 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2161 (propagate_block_delete_libcall): Likewise.
2162 (propagate_block): Create a propagate_block_info struct to pass
2163 to subroutines. Allocate one not two temporary regsets. Don't
2164 clobber memory for const calls. Look for clobbers in
2165 CALL_INSN_FUNCTION_USAGE.
2166 (mark_set_regs): Recognize COND_EXEC.
2167 (mark_set_reg): Break out of mark_set_1.
2168 (mark_used_reg): Break out of mark_used_regs.
2169 (mark_used_regs): Recognize COND_EXEC.
2170 (insn_dead_p): Use propagate_block_info struct.
2171 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2172 (find_auto_inc, try_pre_increment_1): Likewise.
2173 (print_rtl_with_bb): Dump regs live at end too.
2174 (count_reg_sets_1): Pass in loop_depth.
2175 (count_reg_sets, count_reg_references): Likewise.
2176 (recompute_reg_usage): Provide it.
2178 2000-04-07 Richard Henderson <rth@cygnus.com>
2180 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2183 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2185 * cpplib.c (do_elif): Skip the rest of the line if we're
2186 not going to bother evaluating it.
2187 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2188 to avoid pointless calls to the lexer.
2190 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2192 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2194 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2196 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2198 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2200 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2202 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2204 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2205 crtend so they can be multilibbed.
2206 (STAGESTUFF): Remove s-crt and s-crtS.
2208 2000-04-07 Richard Henderson <rth@cygnus.com>
2210 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2211 if we discover we need a pseudo and no_new_pseudos is true.
2212 * config/alpha/alpha.md (ne:DI insn): New.
2213 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2215 2000-04-07 Richard Henderson <rth@cygnus.com>
2217 * rtl.def (COND_EXEC): New.
2218 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2219 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2221 * genconfig.c (have_cond_arith_flag): Remove.
2222 (have_cond_exec_flag): New.
2223 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2224 (main): Print HAVE_conditional_execution.
2226 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2227 (sched_analyze_insn, print_pattern): Likewise.
2228 * reload.c (find_equiv_reg): Likewise.
2229 * rtlanal.c (reg_referenced_p): Likewise.
2230 (note_stores, dead_or_set_regno_p): Likewise.
2231 (reg_overlap_mentioned_p): Rewrite to use a switch.
2233 * ggc.h (struct rtx_def): Forward declare.
2235 * print-rtl.c (debug_rtx_range): New.
2236 * rtl.h (debug_rtx_range): Declare.
2238 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2240 * gcse.c (gcse_main): Don't rebuild the CFG here.
2241 (delete_null_pointer_checks): Likewise.
2242 * ssa.c (convert_to_ssa): Likewise.
2243 * toplev.c (rest_of_compilation): Do it here instead. Combine
2244 sequential calls to TIMEVAR. Consistently use `insns' instead of
2245 `get_insns()'. Always split insns after reload when optimizing.
2247 * basic-block.h (merge_blocks_nomove): Declare.
2248 (tidy_fallthru_edge): Declare.
2249 * flow.c (merge_blocks_nomove): Document as merging into previous
2250 blocks. Remove cruft from between blocks; remove all edges out of A.
2251 (tidy_fallthru_edge): Export.
2253 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2255 * ssa.c (compute_conservative_reg_partition): Declare with
2257 * toplev.c (clean_dump_file): Remove previously-deleted function
2258 inadvertantly merged back in.
2259 * conflict.c (conflict_graph_add): Use a single call to
2260 htab_find_slot to look up and insert.
2262 2000-04-06 Richard Henderson <rth@cygnus.com>
2264 * genrecog.c (*): Rename _last_insn to last_insn.
2265 (make_insn_sequence): Set the position of the peephole2 C test
2266 to be at the last insn.
2268 2000-04-06 Richard Henderson <rth@cygnus.com>
2270 * flow.c (compute_flow_dominators): Free worklist.
2272 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2274 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2276 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2278 * rtl.h (INSN_P): New macro.
2279 (successor_phi_fn): New typedef.
2280 (for_each_successor_phi): New prototype.
2281 (in_ssa_form): New variable.
2282 (PHI_NODE_P): Likewise.
2283 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2284 phi nodes in successors.
2285 (mark_used_regs): Add PHI case.
2286 (set_phi_alternative_reg): New function.
2287 (life_analysis): Assert that dead code elimination is not selected
2289 * toplev.c (to_ssa_time): New variable.
2290 (from_ssa_time): Likewise.
2291 (compile_file): Zero to_ssa_time and from_ssa_time.
2292 Print time to convert to and from SSA.
2293 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2294 (print_time): Compute percent fraction as integer.
2295 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2296 (convert_to_ssa): Check if we're already in SSA.
2297 Don't eliminate dead code in life_analysis.
2298 Rerun flow and life analysis at bottom.
2299 (eliminate_phi): Use canonical regnos when adding nodes.
2300 (mark_reg_in_phi): New function.
2301 (mark_phi_and_copy_regs): Likewise.
2302 (convert_from_ssa): Rerun life analysis at top.
2303 Use coalesced partition.
2304 Check for removing a phi node at the end of the block.
2305 (compute_coalesced_reg_partition): New function.
2306 (coalesce_regs_in_copies): Likewise.
2307 (coalesce_reg_in_phi): Likewise.
2308 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2309 (for_each_successor_phi): Likewise.
2310 (rename_context): New struct.
2311 (rename_block): Use a rename_context with rename_insn_1. When
2312 renaming sets of a subreg, emit a copy of the entire reg first.
2313 (rename_insn_1): Treat data as a rename_context *. Save current
2315 (rename_set_data): Add field set_insn.
2316 * Makefile.in (HASHTAB_H): Move up in file.
2317 (OBSTACK_H): New macro.
2318 (collect2.o): Use OBSTACK_H in dependencies.
2319 (sdbout.o): Likewise.
2320 (emit-rtl.o): Likewise.
2321 (simplify-rtx.o): Likewise.
2322 (fix-header.o): Likewise.
2323 (OBJS): Add conflict.o.
2324 (conflict.o): New rule.
2325 * basic-block.h: Include partition.h.
2326 (conflict_graph): New typedef.
2327 (conflict_graph_enum_fn): Likewise.
2328 (conflict_graph_new): New prototype.
2329 (conflict_graph_delete): Likewise.
2330 (conflict_graph_add): Likewise.
2331 (conflict_graph_conflict_p): Likewise.
2332 (conflict_graph_enum): Likewise.
2333 (conflict_graph_merge_regs): Likewise.
2334 (conflict_graph_print): Likewise.
2335 (conflict_graph_compute): Likewise.
2336 * conflict.c: New file.
2338 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2340 * tlink.c (read_repo_files): Don't look for .rpo info for
2343 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2345 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2347 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2349 * config/sh/lib1funcs.asm (___udivsi3_i4):
2350 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2351 only depends on FMOVD_WORKS.
2353 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2355 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2356 make double constant 8-byte aligned.
2358 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2360 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2361 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2362 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2363 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2364 Accept storing GENERAL_REGS into offsetable memory.
2365 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2366 building a TFmode constant other than 0.0L into GENERAL_REGS.
2368 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2370 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2372 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2374 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2375 (macro_cleanup): No need to cast pbuf->macro.
2376 (collect_expansion): Use _cpp_get_define_token. Goto done if
2377 it returns VSPACE. Remove check for trailing space after
2379 (_cpp_create_definition): Don't diddle flags here. Return
2381 (unsafe_chars): Handle c1 being EOF.
2382 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2383 checks. Don't push the buffer till after we're done with
2385 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2386 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2387 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2389 (_cpp_parse_assertion): Don't NUL terminate.
2390 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2391 hspace before calling _cpp_parse_assertion. Remove all sets
2392 of only_seen_white. Treat '\f' as hspace. Don't do anything
2393 special with '\n' here.
2394 (maybe_macroexpand): Handle T_EMPTY hash entries without
2395 pushing a buffer at all.
2396 (cpp_get_token): Handle clearing only_seen_white here. Handle
2397 incrementing the line number here. Clear
2398 potential_control_macro as well as only_seen_white, if
2400 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2401 (_cpp_get_define_token): New function, basically like
2402 _cpp_get_directive_token was but doesn't eat horizontal space.
2403 Don't do anything with only_seen_white here.
2404 (_cpp_get_directive_token): Just call _cpp_get_define_token
2405 repeatedly till it returns non-hspace.
2407 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2408 (conditional_skip, skip_if_group): Return int.
2409 (DIRECTIVE_TABLE): Change origin of all conditional directives
2411 (TRAD_DIRECT_P): New macro.
2412 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2413 an error for a bogus directive, unless -lang-asm. Use
2414 TRAD_DIRECT_P. Loop calling handler functions till one returns
2416 (get_macro_name): Don't diddle flags here.
2417 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2418 Create T_EMPTY nodes for #define macro /* nothing */.
2419 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2420 Use hp->name when calling pass_thru_directive.
2421 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2422 Return the result of conditional_skip and/or skip_if_group.
2423 Don't call _cpp_output_line_command.
2424 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2425 Issue -Wtraditional warnings as appropriate. Don't complain
2426 about unrecognized directives. If we are to stop skipping,
2427 return the number of the directive that ended the skip.
2428 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2429 expansion and line commands while skipping. Return the result
2430 of consider_directive_while_skipping, if nonzero.
2431 (do_endif): Just set potential_control_macro here.
2432 (validate_else): Use _cpp_get_directive_token.
2433 (do_assert, do_unassert): Don't save pointers into the
2434 token_buffer across calls to the lexer. Use
2435 _cpp_get_directive_token.
2437 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2438 pointer, not an offset. Replace 'data', which was a generic
2439 pointer, with 'macro', which points to a struct hashnode.
2440 (cpp_reader): Add 'potential_control_macro' pointer.
2441 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2442 (CPP_BUF_GET, CPP_FORWARD): Delete.
2443 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2444 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2445 ACTIVE_MARK_P): Update.
2446 (_cpp_get_define_token): New internal function.
2447 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2449 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2451 * configure.in: And here.
2452 * configure: Regenerate.
2453 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2454 --enable-libstdcxx-v3 is passed at configure time.
2455 * config.h.in: Regenerate.
2457 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2459 * final.c (final): Use xcalloc to allocate line_note_exists.
2460 * function.c (free_after_compilation): Free the temp_slots.
2461 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2462 (combine_temp_slot): Free temp_slots when they get combined.
2463 (purge_addressof): Fix typo in comment.
2464 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2465 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2467 * ggc.h: Include varray.h.
2468 (ggc_pending_trees): Declare.
2469 (ggc_mark_tree_children): Remove declaration.
2470 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2471 * ggc-common.c (ggc_pending_trees): New variable.
2472 (ggc_mark_roots): Call ggc_mark_trees.
2473 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2474 the ggc_pending_trees.
2475 * Makefile.in (GGC_H): New variable. Use it throughout in place
2478 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2480 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2483 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2485 * sh.c (sh_insn_length_adjustment): New function.
2486 * sh-protos.h (sh_insn_length_adjustment): Declare.
2487 * sh.h (ADJUST_INSN_LENGTH): Use it.
2489 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2491 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2492 from the insn where REG_RETVAL is added.
2493 (emit_no_conflict_block): Ditto.
2495 * md.texi (Standard Names): Clarify when movX is needed.
2497 * combine.c (simplify_comparison) [MINUS]: Do not replace
2498 all (op (minus A B) 0) with (op A B).
2500 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2501 J"orn Rennecke <amylaar@cygnus.co.uk>
2503 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2504 (block_lump_real): Likewise.
2506 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2508 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2509 remaining non-zero debugging masks.
2511 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2513 * basic-block.h (verify_flow_info): Declare.
2514 (flow_loop_outside_edge_p): Declare.
2515 * flow.c (verify_flow_info): Remove declaration.
2516 (clear_log_links, flow_loop_outside_edge_p): Likewise.
2518 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
2520 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
2523 2000-04-05 Jakub Jelinek <jakub@redhat.com>
2525 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
2526 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
2527 seqdi_zero_trunc+1): Allow splits only if registers are
2530 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
2532 * acconfig.h: Add HAVE_GAS_HIDDEN.
2533 * config.in: Regenerated.
2534 * configure.in: Add test for .hidden pseudo-op in gas.
2535 * configure: Regenerated.
2536 * crtstuff.c: Include auto-host.h.
2537 Emit additional .hidden pseudo-op for __dso_handle if the
2538 assembler knows about it.
2540 2000-04-04 Philippe De Muyter <phdm@macqel.be>
2542 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
2543 before freeing argnames.
2544 * cpplib.c (do_ifndef): Cast return value of xstrdup.
2546 2000-04-05 Michael Meissner <meissner@redhat.com>
2548 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
2549 Walton <jonboy@gordian.com> to make memory references with update
2550 work wtih -mregnames.
2552 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2554 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
2555 (regrename_optimize): Rename variables `def_uses' and
2556 `ext_basic_blocks' to avoid conflicts with similarly named
2557 typedefs in traditional C.
2559 * calls.c (initialize_argument_information): Fix typo in previous
2562 2000-04-04 Richard Henderson <rth@cygnus.com>
2564 * regrename.c (consider_available): Test fixed_regs not
2565 PIC_OFFSET_TABLE_REGNUM.
2567 2000-04-04 Geoff Keating <geoffk@cygnus.com>
2569 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
2571 (CRTSTUFF_T_CFLAGS_S): Delete definition.
2572 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
2573 (ENDFILE_LINUX_SPEC): Always use crtend.
2574 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
2575 (powerpc-*-linux-gnu): Likewise.
2576 * configure: Regenerate.
2578 * config/rs6000/eabi.h: Don't include sysv4.h.
2579 (MULTILIB_DEFAULTS): Don't define.
2580 * config/rs6000/eabiaix.h: Don't include eabi.h.
2581 * config/rs6000/eabile.h: Delete.
2582 * config/rs6000/eabilesim.h: Delete.
2583 * config/rs6000/eabisim.h: Don't include eabi.h.
2584 * config/rs6000/linux.h: Don't include sysv4.h.
2585 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
2586 (MULTILIB_DEFAULTS): Don't redefine.
2587 * config/rs6000/rtems.h: Don't include eabi.h.
2588 * config/rs6000/sol2.h: Don't include sysv4le.h.
2589 * config/rs6000/sysv4le.h: Don't include sysv4.h.
2590 * config/rs6000/t-ppc: Delete.
2591 * config/rs6000/t-ppcgas: Correct comment.
2592 * config/rs6000/t-ppcos: Correct comment. Don't build
2593 multilibs for -fPIC, rather use -fPIC -mstrict-align
2595 * config/rs6000/t-ppc: Delete.
2596 * config/rs6000/vxppc.h: Don't include sysv4.h.
2597 * config/rs6000/vxppcle.h: Delete.
2598 * configure.in: Use multiple header files for p2pc ELF targets
2599 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
2600 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
2601 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
2602 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
2603 always available for these platforms.
2605 2000-04-04 Richard Henderson <rth@cygnus.com>
2607 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
2609 2000-04-04 Stan Cox <scox@cygnus.com>
2611 * Makefile.in: Add rules for regrename.o
2612 * regrename.c: New file.
2613 * rtl.h (regrename_optimize): Add prototype.
2614 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
2615 (compile_file, decode_d_option): Add support for -frename-registers.
2616 (rest_of_compilation): Call regrename_optimize.
2617 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
2620 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2622 * Makefile (gccbug): New target.
2623 (doc): Depend on it.
2624 * gcc.texi (Bugs): Link subnodes.
2626 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
2627 Document severities, priorities, and classes in bug form.
2629 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
2631 * cpplex.c (trigraph_map, speccase): Combine into single
2633 (NORMAL, NONTRI): New macros.
2634 (_cpp_read_and_prescan): Change to use unified table. Use
2635 is_hspace to test for whitespace.
2637 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
2638 definition that doesn't provoke the "empty body in an
2639 if-statement" warning.
2641 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
2643 * builtins.c (expand_builtin_strlen): Force the source to
2644 be a memory address.
2646 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2648 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
2650 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2652 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
2653 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
2654 (ECF_IS_CONST): Rename to ECF_CONST.
2655 (special_function_p): Make static, change interface.
2656 (flags_from_decl_or_type, try_to_integrate): Break out from ...
2657 (expand_call) ... here; convert number of variables to flags.
2658 (emit_library_call_vlue_1): Likewise.
2659 (setjmp_call_p): New function.
2660 (initialize_argument_information): Accepts flags as argument;
2662 (precompute_arguments): Likewise.
2663 * tree.h (special_function_p): Remove.
2664 (setjmp_call_p): Add prototype.
2666 2000-04-04 Jakub Jelinek <jakub@redhat.com>
2668 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
2669 so that addresses are offsetable by up to 16 bytes.
2670 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
2671 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
2674 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
2675 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
2676 (movsf): Don't force any constant to memory if target is integer
2678 Move fp_zero_operand check below the const0_rtx check.
2679 (movtf): Likewise. Also allow fp_zero_operand for stores into
2681 (movdf): Likewise. Also allow fp_zero_operand for stores into
2682 memory and into integer hard registers.
2683 (clear_df, clear_dfp, movdf_const_intreg_sp32,
2684 movdf_const_intreg_sp64): Remove.
2685 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
2687 (movdf_no_e_insn_v9_sp32): New pattern.
2688 (movdf_insn_v9only): Remove.
2689 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
2690 (movdf_insn_sp64): Remove.
2691 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
2692 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
2693 (following splits): Rewrite conditions. Add two new splits
2694 for storing 0.0 into memory and registers.
2695 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
2696 (movtf_insn_sp32): Redo constraints and conditions.
2697 (movtf_insn_vis_sp32): New pattern.
2698 (movtf_no_e_insn_sp32): Redo constraints and conditions.
2699 (movtf_insn_hq_sp64): Likewise.
2700 (movtf_insn_hq_vis_sp64): New pattern.
2701 (movtf_insn_sp64): Redo constraints and conditions.
2702 (movtf_insn_vis_sp64): New pattern.
2703 (movtf_no_e_insn_sp64): Redo constraints and conditions.
2704 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
2706 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
2707 -mvis or -m64 to take down the number of various reload patterns.
2709 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
2711 * pa/pa-64.h: New file.
2712 * pa/pa64-regs.h: New file.
2713 * pa/pa64-start.h: New file.
2714 * pa/t-pa64: New file.
2715 * pa/xm-pa64hpux.h: New file.
2717 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2719 * sparc.c (output_restore_regs): Prototype.
2720 (sparc_emit_float_lib_cmp): Constification.
2722 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
2724 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
2727 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
2728 (get_value_hash, hash_rtx): Likewise.
2730 * ssa.c (compute_conservative_reg_partition): Prototype.
2732 * tree.c (mark_hash_entry): Prototype.
2734 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
2736 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
2737 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
2738 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
2740 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
2741 * objc/lang-specs.h: Likewise.
2743 2000-04-03 Neil Booth <NeilB@earthling.net>
2745 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
2746 and SYNTAX_ERROR2. Replace `' in messages with ''.
2747 (op_to_str): Make re-entrant.
2748 (_cpp_parse_expr): Implement new error macros. Use | rather
2749 than || to logically or 2 boolean integers. Simply expression
2750 checking we have a left operand iff needed.
2752 2000-04-03 Nick Clifton <nickc@cygnus.com>
2754 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
2756 2000-04-03 Philip Blundell <philb@gnu.org>
2758 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
2760 2000-04-03 Felix Lee <flee@cygnus.com>
2762 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
2763 (run_shell): Use it.
2765 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
2767 * Makefile.in (stmp-int-hdrs): Make include subdir here...
2768 (stmp-fixproto): ...rather than here.
2770 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
2772 * pa.c (print_operand): Compute 'base' only inside the code paths
2775 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
2777 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
2780 2000-04-03 Philipp Thomas <pthomas@suse.de>
2782 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
2784 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
2786 * Makefile.in (alias.o): Depend on $(TREE_H).
2788 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
2790 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
2792 * cpplib.c (_cpp_handle_directive): Improve warnings for
2793 traditional C and indented directives.
2795 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
2796 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
2797 fixinc/inclhack.def: Indent the # of #include_next one space.
2798 * cp/rtti.c: Un-indent #if and #endif.
2800 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
2801 syntax error, but an error has already been printed.
2802 * cpplex.c (_cpp_parse_assertion): Give a more specific error
2803 message when called with nothing remaining on the line.
2804 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
2805 OTHER token, not an ASSERTION.
2806 * cpplib.c (do_assert): When we create a 'base' node, clear
2807 its aschain pointer.
2809 2000-04-02 Neil Booth <NeilB@earthling.net>
2811 * cppexp.c: New typedef op_t. struct operation and struct
2812 token updated to use it.
2813 (op_to_str): New function.
2814 (_cpp_parse_expr): Error messages modified to use op_to_str.
2816 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2818 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
2819 before checking MUST_PASS_IN_STACK.
2821 2000-04-02 Neil Booth <NeilB@earthling.net>
2823 * cppexp.c: New FINISHED dummy token. Combine operator initial
2824 flags and initial priority into a single constant. New
2825 EQUALITY macro. New operator flag SHORT_CIRCUIT.
2826 (_parse_cpp_expr): Implement new constants. Take left operand
2827 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
2828 parse indicated by reducing FINISHED token. Remove new lines
2829 from cpp_error messages.
2831 2000-04-01 Mark Mitchell <mark@codesourcery.com>
2833 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
2836 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
2838 * cpplib.c: Include symcat.h. Add 'origin' field to struct
2839 directive. Add origin values to DIRECTIVE_TABLE. Generate
2840 the strings and function names on the fly. Take the #sccs
2841 entry out of the table if SCCS_DIRECTIVE is not defined.
2842 (_cpp_handle_directive): Decide if the # was at the beginning
2843 of the line here. Issue -pedantic warnings for extended
2844 directives here. Warn about K+R directives with the #
2845 indented, and C89/extended directives with the # not indented,
2847 (do_import, do_include_next, do_warning, do_ident, do_sccs,
2848 do_assert, do_unassert): Don't issue pedantic warning here.
2850 * cpphash.h: Add CPP_WTRADITIONAL macro.
2851 * cpplib.h (struct cpp_options): Rename warn_stringify to
2852 warn_traditional; update comments.
2853 * cppinit.c (handle_option): Set warn_traditional not
2855 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
2856 CPP_WTRADITIONAL (pfile).
2857 * cpplex.c (_cpp_lex_token): Don't decide if directives should
2858 be ignored in -traditional mode here.
2860 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
2861 to initialize speccase[] and trigraph_map[]. Delete all
2862 references to pfile->input_speccase. Always treat '?' as a
2863 special character. Remove table-initialization code from
2864 _cpp_init_input_buffer.
2866 * cpplib.h (struct cpp_reader): Remove input_speccase field.
2867 * cppinit.c (cpp_cleanup): Don't free input_speccase.
2869 2000-04-01 Richard Henderson <rth@cygnus.com>
2871 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
2872 (mostlyclean): Likewise.
2874 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
2875 (struct dump_file_info, enum dump_file_index, dump_file): New.
2876 (open_dump_file): Take a dump_file_index not a suffix, and a decl
2877 not a string. Clean out file if we havn't yet done so. Do nothing
2878 if the dump isn't enabled.
2879 (close_dump_file): Do nothing if the dump isn't open. Dump
2880 graph data if requested.
2881 (dump_rtl, clean_dump_file): Remove.
2882 (compile_file): Don't clean the dump files. Only finalize .bp dump
2883 if flag_test_coverage or flag_branch_probabilities. Only finalize
2884 .combine dump if optimizing. Iterate over dump_file to finalize the
2886 (rest_of_compilation): Update for open_dump_file/close_dump_file.
2887 Convert all uses of dump_rtl.
2888 (decode_d_option): Iterate over dump_file to implement 'a' and to
2889 locate pass-specific dumps.
2891 2000-04-01 Neil Booth <NeilB@earthling.net>
2893 * cppexp.c: Redefine priority constants.
2894 (_cpp_parse_expr): Replace left and right priority scheme with
2895 single priority logic. Move LOGICAL to same place as COMPARE.
2896 Remove bogus check for multiple unary +/- operators.
2898 2000-04-01 Neil Booth <NeilB@earthling.net>
2900 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
2901 within the switch statement. Binary operations break out of
2902 the switch naturally. '(' tokens handled by forcing
2903 immediate shift. ')' handled by forcing immediate reduce to
2904 the previous '('. New error messages.
2906 2000-03-31 Geoff Keating <geoffk@cygnus.com>
2908 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
2909 part', it's already in use. Use %K instead. Add a return at the
2910 end of what is now %K.
2911 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
2913 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
2915 * builtins.c (expand_builtin_apply): Pass proper parameters to
2916 allocate_dynamic_stack_space.
2917 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
2918 update stack_pointer_delta; do not update arg_size_so_far.
2919 (compute_argument_block_size): Use stack_delta instead of
2920 stack_pointer_pending and arg_size_so_far.
2921 (expand_call): Add sanity checking for stack_pointer_delta;
2922 save and restore stack_pointer_delta for SIB, use
2923 stack_pointer_delta for alignment; do not update arg_space_so_far.
2924 (emit_library_call_value): Use stack_pointer_delta for alignment.
2925 (store_one_arg): Do not update arg_space_so_far.
2926 * explow.c (adjust_stack, anti_adjust_stack): Update
2927 stack_pointer_delta.
2928 (allocate_dynamic_stack_space): Add sanity checking for
2929 stack_pointer_delta.
2930 * expr.c (init_expr, clear_pending_stack_adjust): Clear
2931 stack_pointer_delta.
2932 (emit_push_insn): Update stack_pointer_delta.
2933 * function.h (struct expr_status): Add x_stack_pointer_delta;
2934 remove x_arg_space_so_far.
2935 (arg_space_so_far): Remove.
2936 (stack_pointer_delta): New macro.
2938 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
2940 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
2941 Reorder struct cpp_options and struct cpp_reader for better
2942 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
2943 takes two args. Change all 'char' flags to 'unsigned char'.
2944 Move show_column flag into struct cpp_options. Don't
2945 prototype cpp_options_init.
2946 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
2947 cppinit.c, cpplex.c, cpplib.c:
2948 Replace CPP_OPTIONS (pfile)->whatever with
2949 CPP_OPTION (pfile, whatever), and likewise for
2950 opts = CPP_OPTIONS (pfile); ... opts->whatever;
2952 * cppinit.c (merge_include_chains): Take a cpp_reader *.
2953 Extract CPP_OPTION (pfile, pending) and work with that
2955 (cpp_options_init): Delete.
2956 (cpp_reader_init): Turn on on-by-default options here.
2957 Allocate the pending structure here.
2958 (cl_options, enum opt_code): Define these from the same table,
2959 kept in a large macro. Add -fshow-column and -fno-show-column
2962 * cpperror.c (v_message): If show_column is off, don't print
2965 * cppmain.c: Update for new interface.
2966 * fix-header.c: Likewise.
2968 2000-03-30 Geoff Keating <geoffk@cygnus.com>
2970 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
2972 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
2973 are passed to any invocation of AR_FOR_TARGET.
2974 (AR_CREATE_FOR_TARGET): New macro.
2975 (AR_EXTRACT_FOR_TARGET): New macro.
2976 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
2977 AR_EXTRACT_FOR_TARGET.
2978 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
2979 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
2980 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
2981 AR_EXTRACT_FOR_TARGET to sub-makes.
2983 2000-03-31 Neil Booth <NeilB@earthling.net>
2985 * cppexp.c: Delete SKIP_OPERAND. Correct priority
2987 (_cpp_parse_expr): Check for multiple unary +/- operators.
2988 Correct priorities of ':' and '?'. Treat ')' as having a
2989 value. Ensure conditional expression is not void.
2991 2000-03-31 Mark Mitchell <mark@codesourcery.com>
2993 * alias.c (canon_rtx): Make it global.
2994 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
2996 * cse.c (struct table_elt): Add canon_exp.
2998 (invalidate): Canonicalize expressions only once.
2999 * rtl.h (canon_rtx): Declare.
3001 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3003 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3004 * alias.c (reg_known_value): Add comments.
3005 (init_alias_analysis): Likewise.
3006 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3008 (cse_basic_block): Fix typo in comment.
3009 * emit-rtl.c: Include hashtab.h.
3010 (const_int_htab): New variable.
3011 (const_int_htab_hash): New function.
3012 (const_int_htab_eq): Likewise.
3013 (rtx_htab_mark_1): Likewise.
3014 (rtx_htab_mark): Likewise.
3015 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3016 (unshare_all_rtx): Fix formatting.
3017 (init_emit_once): Initialize const_int_htab.
3018 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3020 * rtl.texi: Document the fact that all CONST_INTs with the same
3023 2000-03-30 Richard Henderson <rth@cygnus.com>
3025 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3027 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3029 * configure.in: Comment out --enable-c-cpplib stanza.
3030 * configure: Regenerate.
3032 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3034 * expr.c (store_constructor): Properly compute displacement and
3035 alignment when offset is variable.
3037 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3038 cases of alignment in bytes.
3040 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3042 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3043 since it is used to generate c-parse.y.
3044 * objc-parse.c, objc-parse.y: Regenerated.
3046 * function.c (expand_function_end): Pass alignment argument to
3047 emit_block_move in bits, not bytes.
3049 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3051 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3054 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3056 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3057 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3058 * function.c (assign_parms): Likewise.
3059 * integrate.c (expand_inline_function): Likewise.
3060 * stmt.c (expand_decl): Likewise.
3061 (copy_rtx_and_substitute): Likewise.
3062 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3063 (clear_by_pieces): Fix error in last change.
3064 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3065 * function.h (regno_pointer_align): Now unsigned.
3066 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3068 * config/i386/i386.c (aligned_operand): Likewise.
3069 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3070 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3071 (unaligned_memory_operand): Likewise.
3072 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3073 Also make alignments and sizes unsigned and some whitespace cleanup.
3074 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3076 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3077 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3078 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3079 (expand_builtin_memset): Likewise, but to clear_storage.
3080 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3081 (restore_fixed_argument_area): Likewise.
3082 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3083 (load_register_parameters): Likewise, to emit_group_load.
3084 (expand_call): Likewise, to emit_group_store and emit_block_move.
3085 (emit_library_call_value_1): Likewise, to emit_block_move.
3086 (store_one_arg): Likewise, and to emit_push_insn.
3087 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3088 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3089 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3090 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3091 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3092 (expand_assigment, store_expr, store_constructor_field): Likewise.
3093 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3094 (store_constructor, store_field, get_inner_reference): Likewise.
3095 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3096 (expand_expr, case COMPONENT_REF): Likewise.
3097 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3098 and positions; reindent code.
3099 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3100 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3101 (assign_parms): Likewise to emit_group_store.
3102 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3103 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3104 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3105 (expand_return): Likewise to {extract,store}_bit_field.
3106 * stor-layout.c (get_mode_alignment): Minor cleanup.
3107 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3108 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3110 2000-03-29 Nick Clifton <nickc@cygnus.com>
3112 * config/arm/arm.h: Undo effects of previous delta:
3113 (ASM_SPEC): Do not define.
3114 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3116 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3119 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3121 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3122 only after reading in the primary source file.
3124 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3126 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3127 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3128 or a reference to a va_list.
3129 * builtins.c (stabilize_va_list): Simplify now we don't have to
3130 work around C array address decay.
3131 * c-typeck.c (convert_for_assignment): Handle assignment to
3132 a reference parameter by taking the address of the RHS.
3133 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3134 (va_copy): Likewise.
3135 (__va_copy): Likewise.
3136 * ginclude/varargs.h (va_start): Likewise.
3137 (__va_copy): Likewise.
3139 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3141 * i386/djgpp.h: Remove extraneous "+".
3143 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3145 * calls.c (expand_call): Fix typo in last change.
3147 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3149 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3152 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3154 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3155 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3156 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3157 * tree.c (bit_position, byte_position): Likewise.
3158 * tree.h: Declare new functions.
3160 2000-03-29 Nick Clifton <nickc@cygnus.com>
3162 * config/arm/arm.c: Minor formatting changes/
3163 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3165 (ASM_SPEC): Define if not already defined.
3167 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3169 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3172 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3174 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3175 value, don't output it as unsigned.
3177 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3179 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3181 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3183 * c-common.c (c_common_nodes_and_builtins): Don't special case
3184 cplus_mode when declaring builtin bzero/bcmp, always avoid
3185 prototype arguments.
3187 2000-03-29 Bruce Korb <bkorb@gnu.org>
3189 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3192 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3194 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3195 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3196 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3197 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3198 (save_fixed_argument_area, restore_fixed_argument_area):
3199 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3200 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3201 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3202 (precompute_register_parameters): Avoid #ifdefs on
3203 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3204 (stire_one_args): Likewise.
3205 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3206 (emit_library_call_value_1): Likewise.
3207 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3208 ACCUMULATE_OUTGOING_ARGS.
3209 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3211 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3212 (use_crosses_set_p): Likewise.
3213 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3214 #define ACCUMULATE_OUTGOING_ARGS 1.
3215 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3217 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3219 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3220 (TARGET_SWITCHES): Add push-args, no-push-args,
3221 accumulate-outgoing-args and no-accumulate-outgoing-args.
3222 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3223 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3224 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3226 (emit_push_insn): Likewise.
3227 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3228 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3229 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3230 (STACK_DYNAMIC_OFFSET): Define correctly for both
3231 ACCUMULATE_OUTGOING_ARGS and normal mode.
3232 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3233 * tm.texi (PUSH_ARGS): Document.
3234 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3236 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3238 * flags.h (flag_optimize_sibling_calls): Declare.
3239 * calls.c (expand_call): Fail sibcall when
3240 !flag_optimize_sibling_calls
3241 * invoke.texi (flag_optimize_sibling_calls): Document.
3242 * toplev.c (flag_optimize_sibling_calls): New global variable.
3243 (f_options): Add flag_optimize_sibling_calls.
3244 (rest_of_compilation): Conditionize
3245 optimize_sibling_and_tail_recursive_calls by
3246 flag_optimize_sibling_calls.
3247 (main): Set flag_optimize_sibling_calls for -O2.
3248 * stmt.c (expand_return): Conditionize tail recursion by
3249 flag_optimize_sibling_calls.
3251 2000-03-29 Richard Henderson <rth@cygnus.com>
3253 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3254 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3256 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3258 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3260 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3262 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3264 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3265 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3266 * config/rs6000/aix.h: then modified likewise.
3268 2000-03-28 Richard Henderson <rth@cygnus.com>
3270 * rtl.h: Redistribute enum reg_note documentation.
3271 Kill trailing whitespace.
3272 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3273 Kill trailing whitespace.
3275 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3277 * cppfiles.c (hash_IHASH): Just return i->hash.
3278 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3279 htab_find_with_hash.
3280 (cpp_read_file): Likewise.
3281 (find_include_file): Likewise. Properly initialize
3282 ih->nshort. Share ih->name and ih->nshort if possible.
3283 * cpphash.c (_cpp_calc_hash): New function.
3284 (hash_HASHNODE): Just return h->hash.
3285 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3286 htab_find_with_hash.
3287 * cpphash.h: Prototype _cpp_calc_hash.
3288 * cppinit.c (initialize_builtins): Provide a valid hash
3289 to _cpp_make_hashnode, using _cpp_calc_hash.
3291 * cpphash.c (collect_expansion): # is not a special character
3292 in object-like macros. In -traditional mode, /**/ is not
3293 token paste at the beginning or end of the line.
3294 * cpplib.c (do_include, do_import, do_include_next): If
3295 parse_include fails, return immediately.
3297 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3299 * config/arm/arm.md (return peepholes): Update to reflect the new
3301 * config/arm/arm.c (arm_volatile_func): Also check
3302 current_function_nothrow.
3303 (output_return_instruction, output_func_prologue): Use it.
3304 (arm_output_epilogue, arm_expand_prologue): Likewise.
3306 2000-03-27 Tom Tromey <tromey@cygnus.com>
3308 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3311 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3313 * expr.c (store_constructor): SIZE now signed.
3314 For EXPR_SIZE, don't evaluate size; just needed if constant.
3315 * fold-const.c (fold): Fix a number of cases when folded tree is
3317 * function.c (flush_addressof): Reenable.
3318 * tree.h (flush_addressof): Likewise.
3319 * toplev.c (independent_decode_option): Look at strings_processed.
3320 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3322 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3324 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3325 Allow stack adjustment after function call.
3327 * regmove.c (struct csa_memlist): Make mem field rtx *.
3328 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3329 (try_apply_stack_adjustment): Replace whole MEM rtx.
3330 (combine_stack_adjustments_for_block): Update calls
3331 to record_one_stack_ref.
3333 2000-03-28 Neil Booth <NeilB@earthling.net>
3335 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3336 '\\' rather than a null character, so nulls are not special. Fix
3337 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3338 speed trigraph conversion.
3339 (_cpp_init_input_buffer): Initialize trigraph map.
3341 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3343 * config/i386/i386.c (output_387_binary_op): Correct intel
3344 mode assembly output, and add spaces after commas in AT&T
3345 output. Correct Unixware assembler comment. Document input
3346 constraints. Comment fp operations. Reduce profligate buffer
3347 size. Remove extraneous abort. Localize temp var.
3348 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3349 (output_fix_trunc): Add spaces after commas in assembly output.
3351 2000-03-27 Richard Henderson <rth@cygnus.com>
3353 * i386-protos.h (ix86_match_ccmode): Declare.
3354 * i386.c (ix86_match_ccmode): New.
3355 (ix86_expand_fp_compare): Update for pattern renames.
3356 (ix86_expand_strlensi_unroll_1): Likewise.
3357 * i386.h (EXTRA_CC_MODES): Add CCZ.
3358 (SELECT_CC_MODE): Use it for EQ/NE zero.
3359 * i386.md (cmpsi_ccz_1): New.
3361 (*testsi_ccz_1): New.
3362 (testqi_ccz_1): New.
3363 (cmpsi_ccno_1): Rename from cmpsi_0.
3364 (testsi_ccno_1): Rename from testsi_1.
3365 (testqi_ccno_1): Rename from testqi_1.
3366 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3367 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3368 (*cmphi_0): Use ix86_match_ccmode.
3369 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3370 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3371 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3372 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3373 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3374 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3375 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3376 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3377 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3378 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3379 (appropriate peepholes): Likewise.
3380 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3381 (*subsi_3, *subhi_3, *subqi_3): Remove.
3382 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3383 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3384 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3385 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3386 (x86_shift_adj_1): Use CCZ.
3387 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3389 2000-03-27 Stan Cox <scox@cygnus.com>
3391 * resource.h (mark_resource_type): New.
3392 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3393 find_free_register): Use mark_resource_type.
3394 (mark_set_resources): Change include_delayed_effects
3395 to mark_resource_type.
3396 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3397 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3398 Use mark_resource_type.
3400 2000-03-27 Richard Henderson <rth@cygnus.com>
3402 * i386.md (call_pop_0, call_value_pop_0): New.
3403 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3404 (call_value_pop_1): Likewise.
3405 (call_0, call_value_0): New.
3406 (call_1, call_value_1): Remove constraint from unused arg.
3408 2000-03-27 Nick Clifton <nickc@cygnus.com>
3410 * invoke.texi (Spec Files): Document new spec % command created by
3411 Tom Tromey's recent patch.
3413 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3415 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3418 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3420 * expr.c (expand_assignment): Fix typo in last change.
3422 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3424 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3426 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3427 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3428 and DECL_INLINE if FUNCTION_DECL.
3429 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3430 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3431 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3432 (combine_parm_decls): Likewise.
3433 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3434 * print-tree.c (print_node): Likewise.
3435 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3436 DECL_TRANSPARENT_UNION on proper decl types.
3437 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3438 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3439 DECL_BIT_FIELD of FIELD_DECL.
3440 * tree.h (DECL_RESULT_FLD): New macro.
3442 * expr.c (expand_assignment): Add code to handle variable-sized
3445 2000-03-26 Richard Henderson <rth@cygnus.com>
3447 * calls.c (expand_call): Pass parms not original exp to
3448 optimize_tail_recursion. Mind return value instead of looking
3450 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3451 call_expr. Move checks for call_expr and current_function_decl ...
3452 (expand_return): ... here.
3454 2000-03-26 Tom Tromey <tromey@cygnus.com>
3456 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3457 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3459 (process_command): Use them.
3460 (check_live_switch): Likewise.
3461 (give_switch): Skip ignored switches.
3463 2000-03-26 Jan Hubicka <jh@suse.cz>
3465 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3466 for minimal jump pass test.
3468 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3470 * integrate.c (function_cannot_inline_p): Do inline functions that
3473 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3475 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3476 now a list of TREE_LIST entries, not types.
3477 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3479 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3480 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3482 * config/mips/mips.c (function_arg): Likewise; also remove cast
3483 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3484 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3485 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3486 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3487 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3488 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3489 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3490 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3491 num_adjusts now unsigned.
3492 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3493 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3495 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3496 as is BITPOS variable; use host_integerp and int_bit_position.
3497 (function_arg_record_value_2): Likewise.
3498 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3499 Variable REGNO now unsigned.
3500 (function_arg_record_value): NREGS now unsigned.
3502 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3504 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3506 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3508 * Rework fields used to describe positions of bitfields and
3509 modify sizes to be unsigned and use HOST_WIDE_INT.
3510 * alias.c (reg_known_value_size): Now unsigned.
3511 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3512 (really_start_incremental_init): Use bitsize_zero_node.
3513 (push_init_level, pop_init_level, output_init_element): Likewise.
3514 Use bitsize_unit_node and bitsize_one_node.
3515 (output_pending_init_elements, process_init_element): Likewise.
3516 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
3517 (make_extraction): Position and length HOST_WIDE_INT and unsigned
3518 HOST_WIDE_INT, respectively.
3519 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
3520 (num_sign_bit_copies): Returns unsigned.
3521 BITWIDTH now unsigned; rework arithmetic.
3522 Remove recursive call from arg to MAX.
3523 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
3524 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
3526 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
3527 (find_split_point, expand_compound_operation, make_extraction): LEN
3528 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
3529 (make_field_assignment): Likewise.
3530 (combine_simplify_rtx): Add cast.
3531 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
3532 (force_to_mode): WIDTH now unsigned; add cast.
3533 (if_then_else_cond): SIZE now unsigned.
3534 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
3535 (extended_count): Now returns unsigned.
3536 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
3537 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
3538 (simplify_comparison): MODE_WIDTH now unsigned.
3539 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
3540 (mark_used_regs_combine): Likewise; rework arithmetic.
3541 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
3542 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
3543 (record_promoted_value): REGNO now unsigned.
3544 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
3545 (get_last_value): REGNO now unsigned.
3546 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
3547 (reg_dead_regno, reg_dead_endregno): Now unsigned.
3548 (remove_death): Arg REGNO now unsigned.
3549 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
3550 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
3552 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
3553 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
3554 (struct cse_reg_info): REGNO now unsigned.
3555 (cached_regno): Now unsigned.
3556 (REGNO_QTY_VALID_P): Add cast.
3557 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
3558 (remove_invalid_regs): Likewise.
3559 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
3560 as are variables END and I.
3561 (get_cse_reg_info, insert): Likewise.
3562 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
3563 (canon_hash): Likewise.
3564 (insert_regs, lookup_for_remove): REGNO now unsigned.
3565 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
3567 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
3568 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
3569 * emit-rtl.c (subreg_realpart_p): Add cast.
3570 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
3571 (operand_subword_force): Arg I is now unsigned.
3572 * except.c (eh_regs): Variable I is now unsigned.
3573 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
3574 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
3575 length is unsigned HOST_WIDE_INT; likewise for internal variables.
3576 (store_split_bit_field, extract_fixed_bit_field): Likewise.
3577 (extract_split_bit_field, store_bit_field, extract_bit_field):
3579 * expr.c (store_constructor_fields, store_constructor, store_field):
3580 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
3581 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
3582 (do_jump): Likewise.
3583 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
3584 MAX_SIZE is now unsigned.
3585 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
3586 (emit_group_store): Likewise.
3587 (emit_move_insn): I now unsigned.
3588 (store_constructor): Use host_integerp, tree_low_cst, and
3590 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
3591 Rework all calculations to use trees and new fields.
3592 * expr.h (promoted_input_arg): Regno now unsigned.
3593 (store_bit_field, extract_bit_field): Adjust types of pos and size.
3594 (mark_seen_cases): Arg is HOST_WIDE_INT.
3595 * flow.c (verify_wide_reg_1): REGNO now unsigned.
3596 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
3597 precisions and alignments are unsigned.
3598 (optimize_bit_field_compare, fold_truthop): Likewise.
3599 (int_const_binop): Adjust threshold for size_int_type_wide call.
3600 (fold_convert): Likewise.
3601 (size_int_type_wide): Make table larger and fix thinko that only
3602 had half of table used.
3603 (all_ones_mask_p, fold): Precisions are unsigned.
3604 * function.c (put_reg_info_stack): REGNO is unsigned.
3605 (instantiate_decl): Size is HOST_WIDE_INT.
3606 (instantiate_virtual_regs): I is unsigned.
3607 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
3608 (promoted_input_arg): REGNO is unsigned.
3609 * function.h (struct function): x_max_parm_reg is now unsigned.
3610 * gcse.c (max_gcse_regno): Now unsigned.
3611 (struct null_pointer_info): min_reg and max_reg now unsigned.
3612 (lookup_set, next_set): REGNO arg now unsigned.
3613 (compute_hash_table): REGNO and I now unsigned.
3614 (handle_avail_expr): regnum_for_replacing now unsigned.
3615 (cprop_insn): REGNO now unsigned.
3616 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
3617 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
3618 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
3619 * hard-reg-set.h (reg_class_size): Now unsigned.
3620 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
3621 * jump.c (mark_modified_reg): I now unsigned; add cast.
3622 (rtx_equal_for_thread_p): Add cast.
3623 * loop.c (max_reg_before_loop): Now unsigned.
3624 (struct_movable): REGNO now unsigned.
3625 (try_copy_prop): REGNO arg unsigned.
3626 (regs_match_p): XN and YN now unsigned.
3627 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
3628 (strength_reduce): Likewise; NREGS also unsigned.
3629 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
3630 * loop.h (struct iv_class): REGNO now unsigned.
3631 (max_reg_before_loop, first_increment_giv, last_increment_giv):
3633 * machmode.h (mode_size, mode_unit_size): Now unsigned.
3634 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
3635 * optabs.c (expand_binop): I and NWORDS now unsigned.
3636 (expand_unop): I now unsigned.
3637 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
3638 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
3639 * real.c (significand_size): Now returns unsigned.
3640 * real.h (significand_size): Likewise.
3641 * regclass.c (reg_class_size): Now unsigned.
3642 (choose_hard_reg_mode): Both operands now unsigned.
3643 (record_reg_classes): REGNO and NR now unsigned.
3644 (reg_scan): NREGS now unsigned.
3645 (reg_scan_update): old_max_regno now unsigned.
3646 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
3647 * reload.c (find_valid_class): BEST_SIZE now unsigned.
3648 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
3649 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
3650 Likewise for variable R.
3651 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
3652 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
3653 (find_equiv_reg): Add casts.
3654 (regno_clobbered_p): Arg REGNO now unsigned.
3655 * reload.h (struct reload): NREGS now unsigned.
3656 (refers_to_regno_for_reload_p): Regno args are unsigned.
3657 (regno_clobbered_p): Likewise.
3658 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
3659 (compute_use_by_pseudos): REGNO now unsigned.
3660 (find_reg): I and J now unsigned, new variable K, and change loop
3661 variables accordingly; THIS_NREGS now unsigned.
3662 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
3663 (spill_hard_reg): REGNO arg now unsigned; add casts.
3664 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
3665 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
3666 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
3667 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
3668 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
3669 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
3670 (emit_reload_insns): REGNO now unsigned.
3671 (reload_cse_move2add): Add cast.
3672 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
3674 * resource.c (mark_referenced_resources, mark_set_resources): New
3675 variable R; REGNO and LAST_REGNO now unsigned.
3676 (mark_target_live_regs): J and REGNO now unsigned.
3677 * rtl.c (mode_size, mode_unit_size): Now unsigned.
3678 * rtl.h (union rtunion_def): New field rtuint.
3679 (XCUINT): New macro.
3680 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
3681 (operand_subword, operand_subword_force): Word number is unsigned.
3682 (choose_hard_reg_mode): Operands are unsigned.
3683 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
3684 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
3685 (regno_use_in, combine_instructions, remove_death): Likewise.
3686 (reg_scan, reg_scan_update): Likewise.
3687 (extended_count): Return is unsigned.
3688 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
3689 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
3690 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
3691 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
3692 (reg_reg_last_1): FIRS and LAST now unsigned.
3693 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
3694 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
3696 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
3697 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
3698 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
3699 (replace_regs): Arg NREGS now unsigned.
3700 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
3701 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
3702 (simplify_binary_operation): Likewise.
3703 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
3704 THIS_LAST now unsigned.
3705 (cselib_record_set): Add cast.
3706 * ssa.c (ssa_max_reg_num): Now unsigned.
3707 (rename_block): REGNO now unsigned.
3708 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
3710 (all_cases_count): Just return -1 not -2.
3711 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
3712 Rework tests to use trees whenever possible.
3713 Use host_integerp and tree_low_cst.
3714 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
3715 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
3716 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
3717 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
3718 (smallest_mode_for_size): Likewise.
3719 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
3720 KNOWN_ALIGN is now an alignment, so simplify code.
3721 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
3722 (start_record_layout): Renamed from new_record_layout_info.
3723 Update to new fields.
3724 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
3726 (place_union_field): Renamed from layout_union_field.
3727 Update to use new fields in rli.
3728 (place_field): Renamed from layout_field.
3729 Major rewrite to use new fields in rli; pass alignment to layout_decl.
3730 (finalize_record_size): Rework to use new fields in rli and handle
3732 (compute_record_mode): Rework to simplify and to use new DECL fields.
3733 (finalize_type_size): Make rounding more consistent.
3734 (finish_union_layout): Deleted.
3735 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
3736 (layout_type, case RECORD_TYPE): Call new function names.
3737 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
3738 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
3739 (get_best_mode): UNIT is now unsigned; remove casts.
3740 * tree.c (bit_position): Compute from new fields.
3741 (byte_position, int_byte_position): New functions.
3742 (print_type_hash_statistics): Cast to remove warning.
3743 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
3744 (build_index_type): Likewise; make subtype of sizetype.
3745 (build_index_2_type): Pass sizetype to build_range_type.
3746 (build_common_tree_nodes): Use size_int and bitsize_int to
3747 initialize nodes; add bitsize_{zero,one,unit}_node.
3748 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
3749 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
3750 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
3751 (DECL_FIELD_BITPOS): Deleted.
3752 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
3753 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
3754 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
3755 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
3756 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
3757 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
3758 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
3759 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
3760 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
3761 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
3762 (DECL_ALIGN): Adjust to new field in union.
3763 (DECL_OFFSET_ALIGN): New field.
3764 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
3765 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
3766 (union tree_decl): Add struct for both aligns.
3767 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
3768 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
3769 (struct record_layout_info): Rework fields to have offset
3770 alignment and byte and bit position.
3771 (start_record_layout, place_field): Renamed from old names.
3772 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
3773 (byte_position, int_byte_position): Likewise.
3774 (get_inner_reference): Change types of position and length.
3775 * unroll.c (unroll_loop): New variable R; use for some loops.
3776 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
3777 (calculate_giv_inc): Arg REGNO now unsigned.
3778 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
3779 * varasm.c (assemble_variable): Clean up handling of size using
3780 host_integerp and tree_low_cst.
3781 (decode_addr_const): Use byte, not bit, position.
3782 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
3783 use tree_low_cst and int_bit_position.
3784 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
3786 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
3788 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
3789 (reorder_block_def): New members eff_head and eff_end.
3790 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
3791 (verify_insn_chain): New function.
3792 (skip_insns_between_block): Add code to skip deleted insns.
3793 Check for note before using.
3794 (chain_reorder_blocks): Replace calls to skip_insns_between_block
3795 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
3796 Check for note before using.
3797 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
3798 (fixup_reorder_chain): Restructure, clean up, defect removal.
3799 (reorder_basic_blocks): Remove last_insn and references to it.
3800 Moved insn chain verification code into a new function (see above).
3801 Delete defective code that sets last insn.
3802 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
3805 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3807 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
3809 2000-03-24 Richard Henderson <rth@cygnus.com>
3811 * tree.c (lang_safe_for_unsave): Remove.
3812 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
3813 allowing for two levels of unsafeness. Remove lang hook.
3814 * tree.h: Update declarations.
3815 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
3816 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
3817 Always fail sibcalls when there are pending cleanups.
3819 2000-03-24 Geoff Keating <geoffk@cygnus.com>
3821 * flow.c (propagate_block): When we delete an ADDR_VEC,
3822 also delete the BARRIER following it if there is one.
3824 2000-03-24 Richard Henderson <rth@cygnus.com>
3826 * builtins.c (expand_builtin_bzero): Convert `length' argument
3829 2000-03-24 Jakub Jelinek <jakub@redhat.com>
3831 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
3832 comparison if regno's are equal.
3833 * calls.c (initialize_argument_informat): Add ecf_flags argument.
3834 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
3835 (expand_call): Update caller.
3836 Avoid making a sibling call if argument size of the callee is larger
3837 than argument size of the caller.
3838 Call hard_function_value with outgoing set if in sibcall pass.
3839 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
3841 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
3842 Change LEAF_REGISTERS from an array initializer to actual array
3843 identifier. Move static global variable into the function.
3844 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
3845 sequences for leaf functions.
3846 * global.c (global_alloc): Likewise.
3847 * tm.texi (LEAF_REGISTERS): Update documentation.
3849 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
3850 TARGET_FLAT leaf disabling hack.
3851 (LEAF_REGISTERS): Changed from an array initializer to actual array
3852 identifier to avoid duplication and remove the above hack.
3853 (FUNCTION_OK_FOR_SIBCALL): Define.
3854 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
3855 always like call attribute.
3856 (eligible_for_sibcall_delay): New attribute.
3857 (sibcall): New delay type.
3858 (sibcall, sibcall_value, sibcall_epilogue): New expands.
3859 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
3860 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
3861 * config/sparc/sparc.c (sparc_leaf_regs): New array.
3862 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
3864 (output_function_epilogue): Move part of the code into
3865 output_restore_regs.
3866 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
3868 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
3871 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
3872 until infrastructure is finished.
3874 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
3876 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
3877 (save_parm_insns): Not here.
3879 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3881 * builtins.c (expand_builtin_bzero): New function.
3882 (expand_builtin): Handle bzero.
3884 * builtins.def: Add BUILT_IN_BZERO.
3886 * c-common.c (c_common_nodes_and_builtins): Provide builtin
3887 prototype & function for bzero.
3889 2000-03-23 Michael Meissner <meissner@redhat.com>
3891 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
3892 change adding TARGET_FP to the TF floating point insns, except for
3893 trunctfsf2, which generates direct calls to truncdfsf2.
3895 2000-03-23 Geoff Keating <geoffk@cygnus.com>
3897 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
3898 try to protect against middle-end changes that break binary
3900 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
3902 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3904 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
3906 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3908 * calls.c (expand_call): If TARGET is passed by reference and
3909 is readonly, write a CLOBBER.
3911 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3913 * builtins.c (expand_builtin): Handle bcmp.
3915 * builtins.def: Add BUILT_IN_BCMP.
3917 * c-common.c (c_common_nodes_and_builtins): Provide builtin
3918 prototype & function for bcmp.
3920 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
3922 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
3923 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
3924 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
3926 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
3928 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
3929 alternative when using -fp64 -gp32.
3931 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
3933 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
3934 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
3935 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
3937 * frame.h (frame_state): Revert last change.
3938 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
3939 * libgcc2.c (throw_helper): Revert last change.
3941 2000-03-22 Richard Henderson <rth@cygnus.com>
3943 * stmt.c (expand_asm_operands): Don't promote the temporary.
3945 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3947 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
3948 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
3949 c_get_alias_set): Likewise.
3950 * c-decl.c (duplicate_decls): Likewise.
3951 * c-typeck.c (default_conversion,build_unary_op): Likewise.
3952 * calls.c (initialize_argument_information): Likewise.
3953 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
3955 * dwarfout.c (decl_class_context,output_type): Likewise.
3956 * expr.c (get_inner_reference): Likewise.
3957 * fold-const.c (simple_operand_p,fold): Likewise.
3958 * function.c (aggregate_value_p): Likewise.
3959 * stmt.c (expand_asm_operands): Likewise.
3960 * varasm.c (named_section): Likewise.
3962 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
3964 Implement dwarf2 exception handling for the ARM.
3965 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
3966 (DWARF_FRAME_RETURN_COLUMN): Define.
3967 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
3968 REG_FRAME_RELATED_EXPR note.
3969 (emit_sfm): Likewise.
3970 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
3971 * dwarf2out.c (reg_save): Handle saving a register to itself.
3972 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
3973 * except.c (eh_regs): Don't use the static chain reg if it's
3975 * frame.h (frame_state): Add cfa_saved field.
3976 * frame.c (execute_cfa_insn): Set it.
3977 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
3979 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
3981 (instantiate_virtual_regs): Adjust.
3983 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
3984 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
3985 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
3987 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
3988 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
3990 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3992 * builtins.def: New file.
3994 * Makefile.in (TREE_H): Depend on builtins.def.
3996 * builtins.c (built_in_names): Use builtins.def.
3998 * tree.h (built_in_function): Likewise.
4000 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4002 * tree.c (size_in_bytes): Return size_zero_node, not
4005 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4007 * config/fp-bit.c (pack_d): Correct the case when a denormal
4008 is rounded up and stops being denormal.
4010 2000-03-21 Richard Henderson <rth@cygnus.com>
4012 * config/alpha/alpha.c (function_arg): Check for void_type_node
4013 before using MUST_PASS_IN_STACK.
4015 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4017 * regmove.c (combine_stack_adjustments_for_block): Check that
4018 the stack pointer is a valid memory address.
4020 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4022 * calls.c: re-install Mar 16 emit_library_call merge.
4024 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4026 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4027 we cannot be sure that if reload_completed base register will
4028 be properly aligned.
4030 2000-03-21 Richard Henderson <rth@cygnus.com>
4032 * flow.c (delete_block): Fix typo last change.
4034 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4036 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4037 not COMPLETE_TYPE_P, to check the type of the expression.
4039 2000-03-21 Michael Meissner <meissner@redhat.com>
4041 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4042 all floating point insns that just tested the macro
4043 TARGET_HAS_XFLOATING_LIBS.
4044 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4045 used to only use the gprs.
4047 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4049 * tree.h (COMPLETE_TYPE_P): New macro.
4050 (COMPLETE_OR_VOID_TYPE_P): New macro.
4051 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4052 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4053 * c-aux-info.c (gen_type): Use them.
4054 * c-common.c (c_expand_expr_stmt): Likewise.
4055 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4056 grokdeclarator, grokparms, finish_struct, start_function,
4057 store_parm_decls, combine_parm_decls): Likewise.
4058 * c-parse.y (cast_expr): Likewise.
4059 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4060 c_size_in_bytes, c_alignof, build_component_ref,
4061 build_indirect_ref, build_array_ref, convert_arguments,
4062 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4063 * calls.c (initialize_argument_information): Likewise.
4064 * convert.c (convert_to_integer): Likewise.
4065 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4066 * dwarfout.c (location_or_const_value_attribute,
4067 output_enumeration_type_die, output_structure_type_die,
4068 output_union_type_die, output_type): Likewise.
4069 * expr.c (safe_from_p, expand_expr): Likewise.
4070 * function.c (assign_parms): Likewise.
4071 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4072 * tree.c (build_array_type, build_function_type,
4073 build_method_type, build_offset_type, build_complex_type): Likewise.
4074 * c-parse.c, c-parse.h: Regenerated.
4076 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4078 * config/c4x/rtems.h: Include config/rtems.h.
4080 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4082 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4083 decl is a FUNCTION_DECL
4085 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4087 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4088 function uses output registers. Don't save RP for leaf functions.
4089 Do save RP even if no epilogue.
4090 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4091 (CALL_USED_REGISTERS): Unmark in registers.
4092 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4095 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4097 * config/rs6000/rs6000.md (bunordered): New expander.
4098 (bordered): New expander.
4099 (buneq): New expander.
4100 (bunge): New expander.
4101 (bungt): New expander.
4102 (bunle): New expander.
4103 (bunlt): New expander.
4104 (bltgt): New expander.
4106 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4107 (ccr_bit_negated_p): New function.
4108 (print_operand): For %C, generate appropriate cror for UNEQ,
4109 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4111 2000-03-20 Andreas Jaeger <aj@suse.de>
4113 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4116 * tree.h (safe_for_unsave): Prototype.
4118 2000-03-20 Richard Henderson <rth@cygnus.com>
4120 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4121 (combine_stack_adjustments_for_block): Don't allow sp references
4122 in the side of a set we're not fixing up.
4123 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4124 after life_analysis.
4126 2000-03-20 Richard Henderson <rth@cygnus.com>
4128 * calls.c (expand_call): Don't bother generating tail call
4129 sequences if there are pending cleanups. Use
4130 expand_start_target_temps/expand_end_target_temps to elide
4131 cleanups created during sibcall expansion.
4133 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4135 * configure.in: Set $IFS to a value if it doesn't already have one
4136 in the --enable-checking handling.
4137 * configure: Regenerate.
4139 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4141 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4142 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4145 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4147 * jump.c (delete_noop_moves): Remove code attempting to
4148 combine stack adjustments.
4150 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4152 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4153 * except.c (emit_cleanup_handler): Use them.
4154 (expand_end_all_catch): Likewise.
4155 * function.c (fixup_var_refs): Likewise.
4156 (expand_function_end): Clear catch_clauses_last.
4157 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4158 * except.h (struct eh_status): New field x_catch_clauses_last.
4159 (catch_clauses_last): New define.
4161 * Makefile.in (tree.o): Depend on HASHTAB_H.
4162 * tree.c: Include hashtab.h.
4163 (struct type_hash): Remove next field.
4164 (TYPE_HASH_SIZE): Remove.
4165 (TYPE_HASH_INITIAL_SIZE): New define.
4166 (type_hash_table): Change type to htab_t.
4167 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4168 mark_hash_entry): New functions.
4169 (init_obstacks): Allocate type hash.
4170 (type_hash_lookup): Use htab functions.
4171 (type_hash_add, mark_type_hash): Likewise.
4172 (dump_tree_statistics): Call print_type_hash_statistics.
4174 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4176 * rs6000/t-aix41: New file.
4178 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4180 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4182 * tm.texi (Driver): Fix typos and tweak entry for
4184 Move misplaced STRUCT_FORCE_BLK entry ...
4185 (Storage Layout): ... to here.
4186 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4188 2000-03-19 Richard Henderson <rth@cygnus.com>
4190 * flow.c (delete_block): Delete the addr_vec along with the block.
4191 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4194 * fold-const.c (extract_muldiv): Apply type check for defined
4195 overflow to multiply as well as divide.
4197 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4199 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4201 * emit-rtl.c (remove_unncessary_notes): Check that all
4202 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4203 associated NOTE_BLOCK.
4204 * function.h (identify_blocks): Update comments.
4205 (reorder_blocks): Declare.
4206 * function.c (identify_blocks): Don't take paramters.
4207 (reorder_blocks): Don't take parameters.
4208 * loop.h (find_loop_tree_blocks): Remove.
4209 (unroll_block_trees): Likewise.
4210 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4211 reorder_blocks instead of unroll_block_trees.h
4212 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4213 * stmt.c (find_loop_tree_blocks): Remove.
4214 (unroll_block_trees): Likewise.
4215 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4216 in whole-function mode.
4217 * tree.h (reorder_blocks): Remove declaration.
4219 * expr.c: Include intl.h.
4220 * Makefile.in (expr.o): Depend on intl.h.
4222 2000-03-18 Richard Henderson <rth@cygnus.com>
4224 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4226 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4228 * tree.h (tree_index): Remove enumerals for integer types.
4229 (integer_type_kind): New type.
4230 (integer_types): New variable.
4231 (char_type_node): Adjust.
4232 (signed_char_type_node): Likewise.
4233 (unsigned_char_type_node): Likewise.
4234 (short_integer_type_node): Likewise.
4235 (short_unsigned_type_node): Likewise.
4236 (integer_type_node): Likewise.
4237 (unsigned_type_node): Likewise.
4238 (long_integer_type_node): Likewise.
4239 (long_unsigned_type_node): Likewise.
4240 (long_long_integer_type_node): Likewise.
4241 (long_long_unsigned_type_node): Likewise.
4242 * tree.c (integer_types): New variable.
4243 (init_obstacks): Register it as a root.
4245 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4247 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4248 NEXT_INSN. Update last insn in chain.
4250 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4252 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4253 with TYPE_DECL_SUPPRESS_DEBUG set.
4255 2000-03-18 Richard Henderson <rth@cygnus.com>
4257 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4259 2000-03-18 Richard Henderson <rth@cygnus.com>
4261 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4262 care for HALF_PIC_P.
4263 (expander_call_insn_operand): Remove.
4264 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4265 * i386.h (PREDICATE_CODES): Update.
4266 * i386.md (all call expanders): Remove predicates, remove special
4267 handling for half-pic.
4268 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4269 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4270 (sibcall_epilogue): New.
4272 2000-03-17 Richard Henderson <rth@cygnus.com>
4274 * rtlanal.c (single_set): Reject if the parallel has anything
4275 except SET or USE or CLOBBER.
4277 2000-03-17 Jeff Law <law@cygnus.com>
4278 Richard Henderson <rth@cygnus.com>
4280 * Makefile.in (OBJS): Add sibcall.o.
4282 * sibcall.c: New file.
4283 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4284 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4285 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4286 Emit sibcall patterns when requested. Update all callers.
4287 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4288 elimination seems feasable.
4289 * final.c (leaf_function_p): Sibling calls don't discount being
4291 * flow.c (HAVE_sibcall_epilogue): Provide default.
4292 (find_basic_blocks_1): Sibling calls don't throw.
4293 (make_edges): Make edge from sibling call to EXIT.
4294 (propagate_block): Don't remove sibcall_epilogue insns.
4295 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4296 (sibcall_epilogue): New.
4297 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4298 (identify_blocks_1): Likewise. Break out from ...
4299 (identify_blocks): ... here.
4300 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4301 (reorder_blocks): ... here.
4302 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4303 (record_insns): Extend a varray instead of mallocing new memory.
4304 (contains): Read a varray not array of ints.
4305 (sibcall_epilogue_contains): New.
4306 (thread_prologue_and_epilogue_insns): Emit and record
4307 sibcall_epilogue patterns.
4308 (init_function_once): Allocate prologue/epilogue varrays.
4309 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4310 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4312 (save_for_inline_nocopy): ... here.
4313 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4315 (expand_inline_function): ... here.
4316 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4317 (subst_constants): Handle 'n' formats.
4318 * jump.c (jump_optimize_minimal): New.
4319 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4320 optimizations if it's set.
4321 * rtl.c (copy_rtx): Do copy jump & call for insns.
4322 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4323 (SIBLING_CALL_P): New.
4324 (sibcall_use_t): New.
4325 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4326 Invoke optimize_sibling_and_tail_recursive_calls.
4327 * tree.c (lang_safe_for_unsave): New.
4328 (safe_for_unsave): New.
4329 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4331 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4332 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4333 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4335 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4337 * objc/objc-act.c (encode_method_prototype): Pass types, not
4338 PARM_DECLs, to int_size_in_bytes.
4340 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4342 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4344 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4345 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4347 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4349 * Clean up usages of TREE_INT_CST_LOW.
4350 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4351 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4353 * c-tree.h (min_precision): Move declaration to here.
4354 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4355 (build_unary_op, add_pending_init): Use bit_position.
4356 (pending_init_member, process_init_element): Likewise.
4357 (really_start_incremental_init, push_init_level, pop_init_level):
4358 Don't make copies of nodes or modify them in place, use consistent
4359 types when tracking positions, and use tree routines computations.
4360 (set_init_index, output_init_element): Likewise.
4361 (output_pending_init_elements, process_init_element): Likewise.
4362 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4363 tree_low_cst and int_bit_position; also minor cleanup.
4364 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4365 (print_cst_octal): Precision is unsigned.
4366 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4367 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4368 (simple_type_align_in_bits): Result is unsigned int.
4369 Use tree_int_low_cst and host_integerp.
4370 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4371 (field_byte_offset): Result is HOST_WIDE_INT.
4372 Change types of internal variables so alignments are unsigned int,
4373 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4374 Use host_integerp, tree_low_cst, and int_bit_position.
4375 (add_bit_offset_attribute): Likewise.
4376 (add_data_member_location_attribute): Use tree_cst_low.
4377 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4378 (add_bit_size_attribute): Use tree_low_cst.
4379 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4380 * dwarfout.c: Similar changes to dwarf2out.c.
4381 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4382 * genoutput.c (n_occurences): Return -1 for null string.
4383 (strip_whitespace): Accept null string and make into function.
4384 (scan_operands): Reflect above changes.
4385 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4386 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4387 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4388 * tree.c (int_size_in_bytes): Check for too big to represent.
4389 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4390 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4392 (min_precision): Delete from here.
4393 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4394 and int_bit_position.
4395 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4396 (encode_method_def): Likewise.
4397 (build_ivar_list_initializer): Use int_bit_position.
4398 (generate_shared_structures): Convert size.
4399 (encode_type, encode_complete_bitfield): Use integer_zerop.
4400 (encode_bitfield): Use tree_low_cst and int_bit_position.
4402 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4404 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4406 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4408 * call.c (special_function_p): It is only malloc if it returns
4411 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4413 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4414 (C33_FLAG, TARGET_C3X): Add macros.
4415 (TARGET_SWITCHES): Add -m33 option.
4416 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4418 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4420 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4421 (PARALLEL_PACK_FLAG): Delete.
4422 (TARGET_SWITCHES): Update.
4423 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4425 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4427 * fold-const.c (fold): Fix a few cases when the returned result
4428 is not of the same type as the input.
4430 2000-03-16 Nick Clifton <nickc@cygnus.com>
4432 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4435 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4437 * libgcc2.h: Move prototypes above macros with the same name.
4438 Wrap some function prototypes in the conditional which indicates
4439 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4441 2000-03-16 Richard Henderson <rth@cygnus.com>
4443 * calls.c: Revert last two changes.
4445 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4447 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4448 has exponent 0 is a zero.
4450 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4451 HASH may already be nonzero. Add code/mode into hash value
4452 immediately after repeat label.
4453 (cselib_lookup): Don't leave the hash table in an inconsistent
4454 state before a hash lookup operation.
4456 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4458 * i386.md (all HI and QI mode non-move patterns): Conditionize
4459 by TARGET_[HQ]IMODE_MATH.
4460 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4461 x86_promote_qi_regs): Declare.
4462 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4463 TARGET_PROMOTE_QI_REGS): New macros.
4464 (PROMOTE_MODE): New macro.
4465 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4466 x86_promote_qi_regs): New global variables.
4468 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4470 * calls.c (emit_library_call_value_1): Break out from ...; handle
4471 VOIDmode function calls too.
4472 (emit_library_call_value): ... here.
4473 (emit_library_call): Implement by calling emit_library_call_value_1.
4475 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4477 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4478 Update arg_space_so_far on stack adjustments.
4479 (emit_library_call, emit_library_call_value): Likewise; take into
4480 account arg_space_so_far and pending_stack_adjust when calculcating
4483 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4485 * flow.c: Move all basic block reordering code into its own file.
4486 (create_basic_block): Externalize.
4487 * bb-reorder.c: New file. Copy all basic block reordering code from
4488 flow.c to this file.
4489 (reorder_basic_blocks): Fix fencepost error in for-loop.
4490 (reorder_basic_blocks): Remove braces from single statement for-loops.
4491 * basic-block.h: Add declaration for create_basic_block.
4492 * Makefile.in: Add rules for bb-reorder.o.
4494 2000-03-16 Neil Booth <NeilB@earthling.net>
4496 * cppinit.c (handle_option): Implement #unassert directive
4497 as -A- command line option.
4498 (print_help): Update.
4499 * cpptexi.c: Update.
4501 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4503 * md.texi (Standard Names): Document `jump'.
4505 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4507 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4510 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4512 Merge changes from newppc-branch onto trunk.
4514 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4516 * rs6000.c (toc_hash_table): Update for new hash table functions.
4517 (toc_hash_function): Likewise.
4518 (toc_hash_eq): Likewise.
4519 (toc_hash_mark_entry): Likewise.
4520 (toc_hash_mark_table): Likewise.
4521 (output_toc): Likewise.
4522 (rs6000_add_gc_roots): Likewise.
4524 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4526 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
4527 (AR_FLAGS_FOR_TARGET): here. New macro.
4529 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
4531 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
4532 fpmem_operand) Delete.
4534 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
4535 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
4536 (rs6000_save_machine_status, rs6000_restore_machine_status,
4537 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
4538 references to above variables.
4539 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
4540 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
4541 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
4542 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
4543 (XER_REGNO_P, XER_REGNO): New.
4544 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
4545 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
4546 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
4548 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4549 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
4550 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
4552 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4554 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
4555 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
4556 * rs6000.h: from here.
4558 * rs6000-protos.h (rs6000_select_section): Provide prototype.
4559 (rs6000_select_rtx_section): Likewise.
4560 (rs6000_encode_section_info): Likewise.
4561 (sdata_section): Likewise.
4562 (sdata2_section): Likewise.
4563 (sbss_section): Likewise.
4564 * sysv4.h (rs6000_select_section): Delete prototype.
4565 (rs6000_select_rtx_section): Likewise.
4566 (rs6000_encode_section_info): Likewise.
4567 (sdata_section): Likewise.
4568 (sdata2_section): Likewise.
4569 (sbss_section): Likewise.
4570 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
4572 * sysv4.h: Delete various unnecessary #undef's and put a comment
4573 on the remaining ones.
4574 Change various comments according to coding standard.
4576 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
4578 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
4579 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
4580 (CR0_REGNO_P) Remove.
4581 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
4582 setup_incoming_varargs, mtcrf_operation, print_operand,
4583 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
4584 Use the above macros.
4586 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
4588 * config/rs6000/rs6000.md: Added a new alternative for each
4589 pattern that had a 'x' alternative but no 'y' alternative.
4590 Added a new split for each of the above patterns.
4592 2000-02-18 Geoff Keating <geoffk@cygnus.com>
4594 * aix41.h (ASM_CPU_SPEC): Delete.
4595 (CPP_CPU_SPEC): Delete.
4597 * aix.h (RS6000_OUTPUT_BASENAME): Define.
4598 (ASM_OUTPUT_LABEL): Define.
4599 (ASM_GLOBALIZE_LABEL): Define.
4600 (STRIP_NAME_ENCODING): Define.
4601 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
4602 (STRIP_NAME_ENCODING): Don't define.
4603 (ASM_OUTPUT_LABEL): Don't define.
4604 (ASM_GLOBALIZE_LABEL): Don't define.
4605 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
4606 names, and ASM_OUTPUT_LABEL to output labels, rather than
4608 (ASM_OUTPUT_LABEL): Define.
4609 (ASM_OUTPUT_INT): Use assemble_name.
4610 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
4611 (STRIP_NAME_ENCODING): Don't undefine first.
4612 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
4614 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
4615 specified with 'asm' even with -fleading-underscore.
4616 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
4617 (output_epilog): Likewise.
4618 (output_toc): Likewise.
4619 * tramp.asm: Handle -fleading-underscore correctly.
4621 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
4623 (nonlocal_goto_receiver): Delete.
4624 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
4626 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
4627 (SET_ASM_OP): Define.
4628 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
4630 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
4633 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
4634 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
4636 * rs6000.h: Add 'u' to more constants.
4638 2000-02-18 David Edelsohn <edelsohn@gnu.org>
4640 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
4642 2000-02-15 David Edelsohn <edelsohn@gnu.org>
4644 * rs6000.c (reg_or_u_cint_operand): New function.
4645 (logical_operand): Handle 64-bit hosts.
4646 (logical_u_operand): New function.
4647 (non_logical_cint_operand): Handle 64-bit hosts.
4648 (non_logical_u_cint_operand): New function.
4649 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
4650 (PREDICATE_CODES): Define new functions.
4651 * rs6000-protos.h: Declare new functions.
4652 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
4653 (movdi_64): Bracket code intended for 64-bit hosts. Create
4654 CONST_DOUBLE for 32-bit values.
4655 (scc insns): Generate DImode compares.
4656 (mfcr insns): Create DImode versions.
4657 (sge matchers): New patterns.
4659 2000-02-15 Gabriel Paubert <paubert@iram.es>
4661 * rs6000.md: Correct instructions length attributes and
4662 constraints on unsigned compare instructions.
4663 (*ne0): Disable for PowerPC64.
4665 2000-02-11 Geoff Keating <geoffk@cygnus.com>
4667 * rs6000.c (output_function_profiler): Use .long for a 32-bit
4668 quantity, fix profile1.C test failure under -fPIC.
4670 * rs6000.c: Add 'u' to many constants to suppress warnings.
4671 (constant_pool_expr_1): Make static.
4672 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
4673 * rs6000.h: Add 'u' to many constants to suppress warnings.
4675 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
4676 for the start of the TOC, instead of LCTOC..0.
4677 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
4679 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
4680 (load_toc_aix_di): Use LCTOC..1.
4682 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
4683 * rs6000.c (rs6000_legitimize_address): New function from
4684 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
4685 symbols in the constant pool that really are TOC references.
4686 (print_operand_address): For ELF, write TOC offsets under
4687 -fPIC as subtractions in the insn.
4688 (output_toc): For ELF, define symbols in TOC as normal labels,
4690 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
4691 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
4692 (create_TOC_reference): Prototype only when RTX_CODE is defined.
4693 * rs6000.md (movsi): Only use create_TOC_reference on
4694 symbols in the constant pool that really are TOC references.
4696 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
4697 * rs6000.c (rs6000_reorg): Delete.
4698 * rs6000-protos.h (rs6000_reorg): Delete.
4700 2000-02-09 Geoff Keating <geoffk@cygnus.com>
4702 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
4704 * aix.h (SETUP_FRAME_ADDRESSES): Define.
4705 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
4706 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
4707 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
4708 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
4709 rs6000_aix_emit_builtin_unwind_init.
4710 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
4711 rs6000_emit_eh_toc_restore on AIX.
4712 (return_eh_si): Use r2.
4713 (return_eh_di): Use r2.
4715 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
4716 since we're breaking binary compatibility anyway.
4718 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
4720 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
4721 constant_pool_expr_p): Declare them.
4722 (constant_pool_expr_p): Declare it.
4723 * config/rs6000/rs6000.c (toc_label_name): Define.
4724 (rs6000_override_options): Set toc_label_name.
4725 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
4726 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
4727 uses_TOC): New functions.
4728 (print_operand): Delete old '*' case.
4729 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
4730 and strip off rtl for TOC before calling output_addr_const.
4731 (rs6000_emit_load_toc_table): Use toc_label_name.
4732 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
4734 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
4735 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
4736 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
4737 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
4738 into explicit TOC_REGISTER offsets.
4739 (TOC_REGISTER): New macro.
4740 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
4741 TARGET_TOC to reference TOC_REGISTER.
4742 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
4743 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
4744 uses_TOC before emitting label references.
4746 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4748 * rs6000.md (stack_tie): Fix warning.
4750 * eabi-ctors.c: Use 'asm' names for the start/end variables,
4751 to handle -fleading-underscore.
4752 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
4753 (USER_LABEL_PREFIX): New macro.
4754 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
4755 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
4756 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
4757 call-linux can use the same multilibs.
4758 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
4759 and call-linux multilibs. Do multilib with -fleading-underscore.
4760 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
4761 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
4764 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
4765 have MASK_SOFT_FLOAT set.
4766 (CPP_FLOAT_DEFAULT_SPEC): New macro.
4767 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
4768 CPP_FLOAT_DEFAULT_SPEC.
4770 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
4771 * rs6000.md: Whitespace change.
4772 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
4773 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
4775 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4777 * rs6000.md (eh_epilogue): New expander.
4778 (eh_reg_restore): New expand/split/insn combination.
4779 (return_eh_si): New insn.
4780 (return_eh_di): New insn.
4782 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
4783 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
4784 * eabi-ctors.c (__do_global_ctors): Register this object's
4785 frame. Clean up. Call atexit() after the constructors.
4786 (__do_global_dtors): Deregister this object's frame. Clean up.
4787 Allow for recursive calls to exit().
4788 * rs6000.c (fixuplabelno): New variable.
4789 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
4790 TARGET_RELOCATABLE, it slows down exec() under linux.
4791 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
4793 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
4794 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
4795 (ASM_OUTPUT_DWARF_DELTA2): New macro.
4796 (ASM_OUTPUT_DWARF_DELTA4): New macro.
4797 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
4798 (ASM_OUTPUT_DWARF_ADDR): New macro.
4799 (ASM_OUTPUT_DWARF_DATA4): New macro.
4800 (ASM_OUTPUT_DWARF_DATA2): New macro.
4801 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
4802 (ASM_OUTPUT_DWARF_OFFSET): New macro.
4803 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
4805 2000-02-03 Geoff Keating <geoffk@cygnus.com>
4807 * rs6000.c (rs6000_sr_alias_set): New variable.
4808 (rs6000_override_options): Initialise rs6000_sr_alias_set.
4809 (rs6000_emit_stack_tie): New function.
4810 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
4811 in a way that dwarf2out can understand.
4812 (rs6000_frame_related): New function.
4813 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
4814 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
4815 Use rs6000_emit_stack_tie when needed.
4816 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
4817 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
4818 * rs6000.md (stack_tie): New insn.
4819 (return_internal_si): Allow return value to be in the count
4821 (return_internal_di): Likewise.
4823 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
4825 2000-02-03 Geoff Keating <geoffk@cygnus.com>
4827 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
4829 2000-01-31 Geoff Keating <geoffk@cygnus.com>
4831 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
4833 * rs6000.md (stmw): Use the right POWER opcode.
4836 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4838 * rs6000-protos.h: New file.
4840 * rs6000.c: Include tm_p.h. Fix compile time warnings.
4842 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
4845 * sysv4.h: Likewise.
4847 2000-01-28 Geoff Keating <geoffk@cygnus.com>
4849 * ../../configure.in: Delete powerpcle-*-winnt*
4850 and powerpcle-*-pe|powerpcle-*-cygwin*.
4851 * ../../configure: Regenerated.
4853 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
4854 (TARGET_WINDOWS_NT): Delete.
4856 (CALL_NT_DLLIMPORT): Delete.
4857 Delete NT-specific code.
4858 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
4861 * nt-ci.asm: Delete.
4862 * nt-cn.asm: Delete.
4863 * ntstack.asm: Delete.
4865 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4867 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
4868 (ASM_FILE_START): Likewise.
4869 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4870 (ASM_OUTPUT_LABELREF): Likewise.
4871 (ASM_OUTPUT_SKIP): Likewise.
4872 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4873 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4874 (ASM_OUTPUT_CASE_LABEL): Likewise.
4875 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
4876 (ASM_OUTPUT_ASCII): Likewise.
4878 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
4880 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
4881 reload_toc_labelno for non-prologue TOC reloads. Also, don't
4882 increment rs6000_pic_labelno here.
4883 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
4884 and increment rs6000_pic_labelno here.
4886 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
4888 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
4889 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
4890 allocation knows (reg) is dead before the insn.
4892 2000-01-21 Geoff Keating <geoffk@cygnus.com>
4894 * rs6000.md (movsi_to_cr): Correct typo in output template.
4896 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
4898 * rs6000.c (rs6000_pic_labelno): Always define.
4899 (rs6000_pic_func_labelno): Delete.
4900 (lmw_operation): Check for a zero base register,
4901 which doesn't mean what we want.
4902 (stmw_operation): New function.
4903 (print_operand): Define new 'l' modifier.
4904 (rs6000_stack_info): We must save all 64 bits of the registers
4905 if TARGET_POWERPC64.
4906 (rs6000_output_load_toc_table): Delete.
4907 (rs6000_emit_load_toc_table): New function.
4908 (rs6000_allocate_stack_space): Delete.
4909 (rs6000_emit_allocate_stack): New function.
4910 (rs6000_emit_prologue): New function.
4911 (output_prolog): Use rs6000_emit_prologue.
4912 (rs6000_emit_epilogue): Change a few variable names to be
4913 more accurate. Restore all 64 bits of the registers if
4914 TARGET_POWERPC64. Only restore the FP registers which were used
4915 if they are being saved/restored one-at-a-time.
4916 (output_mi_thunk): Delete inefficient code generation.
4917 (output_function_profiler): Don't use rs6000_output_load_toc_table.
4918 * rs6000.h: Declare rs6000_emit_load_toc_table,
4919 rs6000_allocate_stack_space, stmw_operation. Don't declare
4920 rs6000_output_load_toc_table.
4921 * rs6000.md (elf_high): Allow register 0, but discourage it
4923 (elf_low): Support loading into register 0.
4924 (load_toc_aix_si): New pattern.
4925 (load_toc_aix_di): New pattern.
4926 (load_toc_v4_pic_si): New pattern.
4927 (load_toc_v4_pic_di): New pattern.
4928 (load_toc_v4_PIC_1): New pattern.
4929 (load_toc_v4_PIC_1b): New pattern.
4930 (load_toc_v4_PIC_2): New pattern.
4931 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
4932 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
4933 (prologue): New expander.
4934 (movesi_from_cr): New pattern.
4935 (stmw): New pattern.
4936 (save_fpregs_si): New pattern.
4937 (save_fpregs_di): New pattern.
4939 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4941 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
4946 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4948 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
4950 (movsi_got_internal): Likewise.
4951 (movsi_got_internal+1): Likewise.
4952 (set_sp): 'unspec 7' does a SImode clobber.
4954 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4956 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
4957 allocate a stack temporary.
4958 (floatsidf2_internal): Likewise.
4959 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
4961 (floatunssidf2): Don't use the fpmem "register", just
4962 allocate a stack temporary.
4963 (floatunssidf2_internal): Likewise.
4964 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
4966 (floatsidf2_loadaddr): Delete.
4967 (floatsidf2_store1): Delete.
4968 (floatsidf2_store2): Delete.
4969 (floatsidf2_load): Delete.
4970 (fix_truncdfsi2): Don't use the fpmem "register", just
4971 allocate a stack temporary.
4972 (fix_truncdfsi2_internal_si): Delete.
4973 (fix_truncdfsi2_internal_di): Delete.
4974 (fix_truncdfsi2_internal): New insn.
4975 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
4976 (fix_truncdfsi2_store): Delete.
4977 (fix_truncdfsi2_load): Delete.
4978 (fctiwz): Produce gen_fctiwz.
4980 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
4982 * eabi.h (INVOKE__main): Define.
4983 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
4985 (rs6000_emit_prologue): Likewise.
4986 * rs6000.h (struct rs6000_stack): Don't keep track of whether
4987 this is the main program.
4989 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4991 * rs6000.c (rs6000_va_arg): Delete some unused variables.
4993 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4995 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
4996 goes after the argument.
4998 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5000 * rs6000.md: Document 'unspec' values used.
5001 (epilogue): New expander.
5002 (movesi_to_cr_one): New expander.
5003 (movesi_to_cr and following): New pattern.
5005 (return_internal_si): New pattern.
5006 (return_internal_di): New pattern.
5007 (return_and_restore_fpregs_si): New pattern.
5008 (return_and_restore_fpregs_di): New pattern.
5009 * rs6000.h: Declare new functions.
5010 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5011 rather than rs6000_calls_p.
5012 (rs6000_makes_calls): Delete.
5013 (lmw_operation): New function.
5014 (mtcrf_operation): New function.
5015 (rs6000_emit_epilogue): New function.
5016 (output_epilog): Call rs6000_emit_epilogue and final if
5017 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5019 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5021 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5022 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5023 * aix.h (SUBTARGET_SWITCHES): Document switches.
5024 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5025 sched-prolog and sched-epilog the same. Document all the
5027 (TARGET_OPTIONS): No longer allow -mdebug-.
5029 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5031 * rs6000.h (ASM_FILE_END): Move to aix.h.
5032 (EXTRA_SECTIONS): Move to aix.h.
5033 (READONLY_DATA_SECTION): Move to aix.h.
5034 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5035 (SELECT_SECTION): Move to aix.h.
5036 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5037 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5038 (LINK_REGISTER_REGNUM): New definition.
5039 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5040 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5042 * sysv4.h: Delete the code between the inclusion of rs6000.h
5044 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5045 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5046 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5047 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5048 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5049 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5050 (fix_truncdfsi2_internal_di): New pattern.
5051 (fix_truncdfsi2_store): The second arg here is Pmode too.
5052 (fix_truncdfsi2_load): The second arg here is Pmode too.
5053 (tablejumpdi): Now that switch tables hold only SImode values,
5054 gcc needs to know how to add them to the pc which is DImode.
5055 * rs6000.c (rs6000_stack_info): Use symbolic name for
5056 LINK_REGISTER_REGNUM.
5057 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5058 (output_toc): Delete unused variables s1 and s2.
5059 (output_ascii): Use fputs not fprintf on a variable string.
5061 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5063 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5064 * aix43.h: Revert Aug 2 change.
5065 (HAS_INIT_SECTION): Define, not visible yet.
5066 (LD_INIT_SWITCH): Define, not visible yet.
5067 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5069 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5071 * config/rs6000/rtems.h: Include config/rtems.h.
5073 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5075 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5076 (SLOW_UNALIGNED_ACCESS): Define.
5077 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5078 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5079 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5080 (toc_section): Likewise and .toc pseudo-op.
5081 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5083 (TEXT_SECTION_ASM_OP): Likewise.
5084 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5087 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5089 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5090 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5093 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5095 * rs6000.h: Move more stuff from here...
5097 * sysv4.h: Cleanup accordingly.
5098 * netware.h: Likewise
5100 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5102 * rs6000.h: Continue cleanup.
5105 * netware.h: Likewise.
5107 * sysv4.h: Likewise.
5108 * win-nt.h: Likewise.
5110 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5111 (TARGET_OPTIONS): Likewise.
5113 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5114 (SUBTARGET_OPTIONS): Likewise.
5116 * rs6000.md: Fix compile time warnings.
5118 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5120 vxworks patches from the Cygnus tree originally by
5121 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5122 <vmakarov@cygnus.com>.
5123 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5124 (ENDFILE_SPEC): Likewise.
5125 (LIB_VXWORKS_SPEC): New macro.
5126 (STARTFILE_VXWORKS_SPEC): New macro.
5127 (ENDFILE_VXWORKS_SPEC): New macro.
5128 (LINK_START_VXWORKS_SPEC): New macro.
5129 (LINK_OS_VXWORKS_SPEC): New macro.
5130 (CPP_OS_VXWORKS_SPEC): New macro.
5131 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5132 * vxppc.h: Rewrite to use proper configuration method.
5133 * vxppcle.h: New file.
5134 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5135 * ../../configure: Rebuilt.
5137 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5139 Lots of changes to rs6000.h, sysv4.h, aix.h,
5140 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5141 with the aim that rs6000.h is the first header
5142 included and the others override it.
5145 * x-aix41-gld: Remove.
5147 * x-aix41: Remove target-specific switches, and don't specify
5148 -Wl,-bbigtoc as we don't need it any more.
5149 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5150 Use t-aix43 for AIX 4.3 and above.
5151 * ../../configure: Regenerated.
5153 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5154 options, that don't do anything yet.
5155 (MASK_SCHED_PROLOG): New macro.
5156 (MASK_SCHED_EPILOG): New macro.
5157 (TARGET_SCHED_PROLOG): New macro.
5158 (TARGET_SCHED_EPILOG): New macro.
5160 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5162 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5163 one per translation unit, not one per function.
5164 (output_toc): Also do duplicate constant elimination
5165 for per-translation-unit TOCs.
5167 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5168 a comment explaining _exactly_ when this pattern gets used.
5169 (builtin_setjmp_receiver): New pattern for better clarity.
5170 (init_v4_pic): Move it into a section dealing with TOC registers.
5172 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5174 * rs6000.c (toc_hash_table): New variable.
5175 (rs6000_hash_constant): New function.
5176 (toc_hash_function): New function.
5177 (toc_hash_eq): New function.
5178 (toc_hash_mark_entry): New function.
5179 (toc_hash_mark_table): New function.
5180 (output_toc): Don't output duplicate TOC entries in
5182 (rs6000_add_gc_roots): Add the hash table as a GC root.
5183 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5184 where they clearly shouldn't be. This may need to be fixed
5185 later when there is a GNU ar for AIX.
5186 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5187 Don't define BOOT_LDFLAGS as it is now not necessary.
5189 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5191 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5192 for va_list on AIX. Use unsigned_char_type_node rather than
5193 constructing our own version on svr4.
5195 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5197 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5198 since patently it's not.
5200 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5202 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5203 define_expand/define_insn pair, and handle restore of the
5204 SVR4 -fpic register.
5206 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5208 * acconfig.h (HAVE_GAS_WEAK): New define.
5209 * configure.in (assembler weak support): Check for .weak support.
5210 * config.in, configure: Rebuilt.
5211 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5212 HAVE_GAS_WEAK is defined.
5214 2000-03-15 Nick Clifton <nickc@cygnus.com>
5216 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5219 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5221 * cppfiles.c (open_include_file): New function.
5222 (find_include_file, cpp_read_file): Use it.
5224 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5226 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5228 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5230 * flow.c (verify_flow_info): Check for unconditional return.
5232 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5234 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5235 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5236 (__ia64_restore_stack_nonlocal): New.
5237 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5239 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5241 * cpphash.c (collect_formal_parameters): Do not complain about
5242 parameter names that just start with `__VA_ARGS__'.
5244 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5246 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5247 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5248 * i386.c (pentiumpro_cost): Set mul cost to 4.
5249 (x86_use_movx): Set for PPro.
5251 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5253 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5254 STACK_BOUNDARY for empty frames now.
5256 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5258 * stor-layout.c (layout_union): Remove.
5259 (layout_union_field): New function, split out from layout_union.
5260 (finish_union_layout): Likewise.
5261 (layout_field): Handle unions by calling layout_union_field.
5262 (finish_record_layout): Handle unions.
5263 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5264 QUAL_UNION_TYPE handling.
5266 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5268 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5269 end of basic block is jump_insn, not barrier; use create_basic_block
5270 instead of creating basic block by hand.
5272 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5274 * flow.c (reorder_basic_blocks): Account for barriers when writing
5275 over NEXT_INSN (last_bb->end).
5276 (verify_flow_info): Add check for missing barriers.
5278 2000-03-14 Greg McGary <gkm@gnu.org>
5280 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5281 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5282 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5283 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5284 __unbounded, __unbounded__): New keywords.
5285 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5286 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5287 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5289 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5291 * cselib.h: New file.
5292 * alias.c: Include "cselib.h".
5293 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5294 MEMs as two new arguments.
5295 (get_addr): New static function.
5296 (find_base_term): Handle VALUEs.
5297 (memrefs_conflict_p): Likewise.
5298 (true_dependence): Call get_addr on the addresses.
5299 Call fixed_scalar_and_varying_struct_p with addresses that have been
5300 passed through get_addr and canon_rtx.
5301 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5302 with true_dependence.
5303 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5304 * loop.c: Include "cselib.h".
5305 (load_mems): Process extended basic block that enters the loop with
5306 cselib. Use that information to change initialization of the shadow
5307 register so that a constant equivalence is seen by later passes.
5308 * reload1.c: Include "cselib.h".
5309 (reload_cse_invalidate_regno): Delete function.
5310 (reload_cse_mem_conflict_p): Likewise.
5311 (reload_cse_invalidate_mem): Likewise.
5312 (reload_cse_invalidate_rtx): Likewise.
5313 (reload_cse_regno_equal_p): Likewise.
5314 (reload_cse_check_clobber): Likewise.
5315 (reload_cse_record_set): Likewise.
5316 (reg_values): Delete static variable.
5317 (invalidate_regno_rtx): Likewise.
5318 (reload_cse_delete_noop_set): New static function.
5319 (reload_cse_simplify): New static function, broken out of
5321 (reload_cse_noop_set_p): Delete unused argument INSN.
5322 Just call rtx_equal_for_cselib_p on set source and destination.
5323 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5324 reload_cse_delete_noop_set. Delete code to keep track of values; use
5325 cselib functions instead. Delete code to push/pop obstacks.
5326 (reload_cse_simplify_set): Use cselib to find equivalent values.
5327 Delete code to push/pop obstacks.
5328 (reload_cse_simplify_operands): Likewise.
5329 * rtl.def (VALUE): New rtx code.
5330 * rtl.h (union rtunion_def): New elt rt_cselib.
5331 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5332 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5333 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5334 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5335 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5336 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5337 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5338 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5339 cselib_record_set, cselib_record_sets): New static functions.
5340 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5341 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5342 references_value_p): New functions.
5343 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5344 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5345 n_useless_values, reg_values, callmem, cselib_obstack,
5346 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5347 New static variables.
5348 * varray.h (union varray_data_tag): New elt te.
5349 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5350 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5353 2000-03-14 Nick Clifton <nickc@cygnus.com>
5355 * gcc.c (do_spec_1): Catch the case where %* is used in a
5356 substitution pattern, but it has not been initialised.
5357 Issue a meaningful error message if an unrecognised operator
5358 is encountered in a spec string.
5360 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5362 * function.c (prepare_function_start): Correctly initialize
5363 cfun->stack_alignment_needed.
5365 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5367 * cppfiles.c (find_include_file): Don't assume nshort is a
5370 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5372 * configure.in (hppa configurations): Add pa32-regs.h to the
5373 list of tm files as appropriate.
5374 * configure: Rebuilt.
5375 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5377 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5378 (fmpyaddoperands, fmpysuboperands): Likewise.
5379 * pa.h: Remove various definitions which depend on knowing
5380 how registers are numbered.
5381 * pa32-regs.h: New file with PA32 register numbering specific
5384 2000-03-14 Richard Henderson <rth@cygnus.com>
5386 * regmove.c (combine_stack_adjustments): New.
5387 (stack_memref_p, single_set_for_csa): New.
5388 (free_csa_memlist, record_one_stack_memref): New.
5389 (try_apply_stack_adjustment): New.
5390 (combine_stack_adjustments_for_block): New.
5391 * rtl.h (combine_stack_adjustments): Declare.
5392 * toplev.c (rest_of_compilation): Call it.
5394 * i386.md: Revert 2000-01-16 change.
5396 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5398 * gccbug.in: Add web category, gcc specific classes.
5400 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5402 * stor-layout.c (finalize_record_size): Fix typo.
5404 2000-03-14 Stan Shebs <shebs@apple.com>
5406 * c-typeck.c (c_alignof): Error on incomplete types.
5407 * extend.texi (Alignment): Document this.
5409 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5411 * cppfiles.c: Include mkdeps.h.
5412 (find_include_file, read_include_file): Remove _cpp_ prefix
5413 from name, make static.
5414 (_cpp_execute_include): New function, broken out of
5417 * cpplib.c: Don't include mkdeps.h.
5418 (struct directive): Remove type field. Reorder entries. The
5419 function takes only one argument.
5420 (struct if_stack): Make type field an int.
5421 (directive_table): Rename to dtable. Generate it, the
5422 prototypes of the directive handlers, and the enum for the
5423 directive numbers, from a template macro.
5424 (do_ifndef, do_include_next, do_import): New functions.
5425 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5426 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5427 do_ident, do_assert, do_unassert, do_sccs): Take only one
5429 (do_sccs): Define always, but alter behavior based on
5431 (_cpp_handle_directive, consider_directive_while_skipping):
5432 Restructure for new directive table layout.
5434 (pass_thru_directive): Take a directive number, not a pointer
5435 to a struct directive.
5436 (parse_include): New function, broken out of do_include.
5437 (do_include, do_import, do_include_next): Use parse_include
5438 and _cpp_execute_include.
5439 (do_elif, do_else): Test for T_ELSE specifically when checking
5440 for #elif/#else after #else.
5441 (parse_ifdef): New function, broken out of do_ifdef.
5442 (validate_else): Expect a name arg without a leading #.
5443 (if_directive_name): Delete.
5444 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5445 directive handlers with only one argument.
5447 * cpphash.h: Update prototypes.
5448 (enum node_type): Remove entries for directives.
5449 * Makefile.in: Update dependencies.
5451 * cpphash.c (dump_hash_helper): Only dump nodes of type
5452 T_MACRO. Emit a newline after each definition.
5454 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5456 * gccbug.in: New file.
5457 * configure.in (all_outputs): Add gccbug.
5458 * Makefile.in (install-common): Install gccbug.
5459 (GCCBUG_INSTALL_NAME): New variable.
5460 * configure: Rebuilt.
5462 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5464 * function.c (put_var_into_stack): Use type_for_mode to calculate
5465 part_type. Use MEM_SET_IN_STRUCT_P.
5466 * expr.c (store_field): Handle CONCAT.
5467 (store_constructor): Use fields_length.
5468 * tree.c (fields_length): New fn.
5469 * tree.h: Declare it.
5471 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5473 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5474 (cpplex.o): New target.
5475 * po/POTFILES.in: Add cpplex.c.
5477 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5478 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5479 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5480 skip_block_comment, skip_line_comment, skip_comment,
5481 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5482 _cpp_parse_name, skip_string, parse_string,
5483 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5484 _cpp_get_directive_token, find_position,
5485 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5486 (maybe_macroexpand, _cpp_lex_token): New functions.
5488 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5489 parse_goto_mark): Delete.
5490 (_cpp_handle_eof): New function.
5491 (_cpp_handle_directive): Rename from handle_directive.
5492 (_cpp_output_line_command): Rename from output_line_command.
5493 (do_if, do_elif): Call _cpp_parse_expr directly.
5494 * cppfiles.c (_cpp_read_include_file): Don't call
5495 init_input_buffer here.
5496 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5497 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5498 here; pop the token_buffer and skip the rest of the line here.
5499 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5502 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5504 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5505 CPP_GOTO_MARK): New macros.
5506 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5507 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5508 _cpp_read_and_prescan, _cpp_init_input_buffer,
5509 _cpp_grow_token_buffer, _cpp_get_directive_token,
5510 _cpp_handle_directive, _cpp_handle_eof,
5511 _cpp_output_line_command): Prototype them here.
5512 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5513 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5514 quote_string, output_line_command): Remove.
5516 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
5518 * stmt.c (expand_end_case): RANGE may be signed, and when checking
5519 whether it is too large we must also verify that it isn't negative.
5521 2000-03-13 Jakub Jelinek <jakub@redhat.com>
5523 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
5524 (movsi_zero_liveg0): Remove.
5525 (movsf_insn_novis_liveg0): Remove.
5527 (negsi2_not_liveg0): Rename to negsi2.
5528 (one_cmplsi2): Remove.
5529 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
5530 (one_cmplsi2_liveg0): Remove.
5531 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
5532 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
5533 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
5534 (PREDICATE_CODES): Remove zero_operand.
5535 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
5536 TARGET_BROKEN_SAVERESTORE.
5537 (zero_operand): Remove.
5538 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
5539 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
5541 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5542 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5543 TARGET_BROKEN_SAVERESTORE): Remove.
5544 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5546 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5548 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5551 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
5553 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5555 * cpplib.c (do_pragma_implementation): Fix off-by-one error
5556 truncating a string. Don't assume tokens are nul terminated.
5557 Problem noted by Andreas Jaeger <aj@suse.de>
5559 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5561 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
5562 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
5563 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
5565 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
5567 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
5568 STRUCTURE_SIZE_BOUNDARY.
5570 2000-03-13 Mark Mitchell <mark@codesourcery.com>
5572 * tree.h (record_layout_info_s): New structure.
5573 (record_layout_info): New type.
5574 (new_record_layout_info): New function.
5575 (layout_field): Likewise.
5576 (finish_record_layout): Likewise.
5577 * stor-layout.c (layout_record): Remove.
5578 (new_record_layout_info): New function.
5579 (layout_field): New function, broken out from layout_record.
5580 (finalize_record_size): Likewise.
5581 (compute_record_mode): Likewise.
5582 (finalize_type_size): New function, broken out from layout_type.
5583 (finish_record_layout): Likewise.
5584 (layout_type): Use them.
5586 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5588 * cpphash.c: Don't include version.h.
5589 (special_symbol) [case T_VERSION]: Look for the string in
5590 hp->value.cpval; don't use version_string.
5591 * cppinit.c (initialize_builtins): Set hp->value.cpval for
5592 __VERSION__ to version_string.
5593 * Makefile.in (cpphash.o): Update deps.
5595 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5597 Convert cpplib to use libiberty/hashtab.c.
5599 * cpplib.h (struct cpp_reader): Make hashtab and
5600 all_include_files of type 'struct htab *'. Delete HASHSIZE
5601 and ALL_INCLUDE_HASHSIZE macros.
5603 * cpphash.h: Update prototypes.
5604 (struct hashnode): Remove next, prev, and bucket_hdr members.
5605 Make length a size_t. Add hash member.
5606 (struct ihash): Remove next member. Add hash member. Make
5607 name a flexible array member.
5609 * cppfiles.c: Include hashtab.h.
5610 (include_hash): Delete.
5611 (IHASHSIZE): New macro.
5612 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
5613 (cpp_included): Do the hash lookup here.
5614 (_cpp_find_include_file): Rewrite.
5615 (cpp_read_file): Put the "fake" hash entry into the hash
5616 table. Honor the control_macro, if it turns out we've seen
5617 the file before. Don't push the buffer here.
5618 (_cpp_read_include_file): Push the buffer here.
5619 (OMODES): New macro. Use it whenever we call open(2).
5621 * cpphash.c: Include hashtab.h.
5622 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
5623 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
5624 _cpp_lookup_slot): New functions.
5625 (HASHSIZE): new macro.
5626 (hashf, _cpp_install, _cpp_delete_macro): Delete.
5627 (_cpp_lookup): Use hashtab.h routines.
5629 * cppinit.c: Include hashtab.h.
5630 (cpp_reader_init): Call _cpp_init_macro_hash and
5631 _cpp_init_include_hash. Don't allocate hashtab directly.
5632 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
5633 pfile->all_include_files.
5634 (initialize_builtins): Use _cpp_make_hashnode and
5635 htab_find_slot to add hash entries.
5636 (cpp_finish): Just call _cpp_dump_macro_hash.
5637 * cpplib.c: Include hashtab.h.
5638 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
5639 create hash entries.
5640 (do_pragma_poison, do_assert): Likewise.
5641 (do_include): Don't push the buffer here. Don't increment
5642 system_include_depth unless _cpp_read_include_file succeeds.
5643 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
5645 (do_pragma_implementation): Use alloca to create copy.
5647 * Makefile.in: Update dependencies.
5649 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5651 * cppinit.c (cl_directive_handler): More K&R fixing.
5653 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
5655 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
5657 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
5659 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5661 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
5662 Change from char[] to macros.
5664 2000-03-12 Neil Booth <NeilB@earthling.net>
5666 * cppinit.c (cpp_start_read): Update indirect function
5669 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
5671 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
5674 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5675 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
5677 2000-03-11 Neil Booth <NeilB@earthling.net>
5679 * cppinit.c (struct pending option): Replace undef with a
5680 pointer to a directive handling routine.
5681 (struct cpp_pending): Replace separate assert_ and define_
5682 lists with one directive_ list.
5683 (new_pending_define): Rename new_pending_directive. Extra
5684 argument is the directive's handling routine.
5685 (handle_option): Update to use new_pending_directive.
5687 2000-03-11 Neil Booth <NeilB@earthling.net>
5689 * cppfiles.c (file_cleanup, _cpp_find_include_file,
5690 remap_filename, _cpp_read_include_file, actual_directory,
5691 hack_vms_include_specification): Replace bcopy(), index() etc
5692 calls. Add casts to some allocations. Make some variables
5693 pointers to const [unsigned] char.
5694 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
5695 collect_formal_parameters): Similarly.
5696 * cppinit.c (struct pending_option, append_include_chain,
5697 cpp_options_init, cpp_reader_init, initialize_standard_includes,
5698 cpp_start_read, new_pending_define, handle_option): Similarly.
5699 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
5700 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
5701 do_pragma_implementation, detect_if_not_defined,
5702 do_ifdef, skip_if_group, cpp_get_token, parse_string,
5703 do_assert, do_unassert): Similarly.
5704 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
5705 function prototypes.
5706 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
5708 2000-03-10 Richard Henderson <rth@cygnus.com>
5710 * builtins.c (expand_builtin_strlen): Revert last change.
5711 Use emit_insn_before if we're at the beginning of a sequence.
5713 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
5715 * builtins.c (expand_builtin_strlen): Make sure that we have something
5716 at the beginning of the sequence.
5718 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
5721 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
5723 2000-03-10 Richard Henderson <rth@cygnus.com>
5725 * except.c (can_throw): Use INTVAL on a CONST_INT.
5726 (reachable_handlers): Likewise.
5727 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
5729 2000-03-10 Andreas Jaeger <aj@suse.de>
5731 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
5732 MD_STARTFILE_PREFIX since those are not needed on linux.
5733 (ASM_FILE_START): New, from mips/gnu.h.
5735 2000-03-09 Richard Henderson <rth@cygnus.com>
5736 Alex Samuel <samuel@codesourcery.com> and others
5738 * Makefile.in (ssa.o): New rule.
5740 (STAGESTUFF): Add *.ssa and *.ussa.
5741 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
5742 * rtl.def (PHI): New RTL expression.
5743 * rtl.h (clear_log_links): New declaration.
5744 (convert_to_ssa): Likewise.
5745 (convert_from_ssa): Likewise.
5746 * flow.c (split_edge): If the entry node falls through to the
5747 split edge's source block, split the entry edge.
5748 (clear_log_links): New function.
5749 * toplev.c (ssa_dump): New variable.
5750 (flag_ssa): Likewise.
5751 (f_options): Add "ssa".
5752 (compile_file): Create SSA dump files.
5753 (rest_of_compilation): Go to and from SSA if enabled.
5754 (decide_d_option): Handle -de for SSA dump files.
5757 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
5759 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
5762 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
5764 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
5766 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
5768 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
5769 (MD_STARTFILE_PREFIX_1): New macro.
5771 2000-03-09 Robert Lipe <robertl@sco.com>
5773 * config/ia64/ia64.c: Include system.h.
5775 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5777 * except.c (nothrow_function_p): If -fno-exceptions, just return.
5778 (init_eh_nesting_info): Likewise.
5780 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
5781 (TREE_NOTHROW): Rename from TREE_RAISES.
5782 * toplev.c (rest_of_compilation): Set it.
5783 * print-tree.c (print_node): Adjust.
5784 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
5785 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
5786 * calls.c (emit_call_1): Add 'nothrow' parm. Add
5787 REG_EH_REGION note as appropriate.
5788 (libfunc_nothrow): New fn.
5789 (emit_library_call, emit_library_call_value): Use it.
5790 (expand_call): Check TREE_NOTHROW.
5792 * varasm.c (make_decl_rtl): Skip initial '*' when setting
5793 DECL_ASSEMBLER_NAME.
5795 2000-03-09 Andreas Jaeger <aj@suse.de>
5797 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
5798 (TARGET_MEM_FUNCTIONS): Define.
5800 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5802 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
5804 * except.c (can_throw): See through a SEQUENCE.
5805 (nothrow_function_p): New fn.
5806 * except.h: Declare it.
5807 * function.c (current_function_nothrow): New var.
5808 (prepare_function_start): Initialize it.
5809 * output.h: Declare it.
5810 * toplev.c (rest_of_compilation): Set it.
5811 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
5813 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
5815 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
5816 match. (cpp_compare_defs): Count the nul separator when
5817 advancing over argument names.
5819 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
5821 * recog.c (preprocess_constraints): Matching constraints affect
5822 same alternative/different operand, not same operand/different
5825 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
5826 register and a constant specially.
5828 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5830 * libgcc2.h: New file.
5831 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
5833 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
5835 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
5836 * configure: Regenerate.
5839 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
5841 * Makefile.in (LIBCPP_DEPS): New macro.
5842 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
5844 * cpperror.c: Include cpphash.h.
5845 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
5847 (lex): Don't use CPP_WARN_UNDEF.
5848 (_cpp_parse_expr): Return an int, the truth value.
5849 * cppfiles.c: Include cpphash.h.
5850 (_cpp_merge_include_chains): Move to cppinit.c and make static.
5851 * cppinit.c (include_defaults_array): Disentangle.
5852 (cpp_cleanup): Don't free the if stack here.
5853 (cpp_finish): Pop off all buffers, not just one.
5854 * cpplib.c (eval_if_expr): Return int.
5855 (do_xifdef): Rename do_ifdef.
5856 (handle_directive): Don't use CPP_PREPROCESSED.
5857 (cpp_get_token): Don't use CPP_C89.
5858 * fix-header.c: Don't use CPP_OPTIONS.
5860 * cpplib.h: Move U_CHAR, enum node_type, struct
5861 file_name_list, struct ihash, is_idchar, is_idstart,
5862 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
5863 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
5864 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
5865 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
5866 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
5867 of _cpp_simplify_pathname, _cpp_find_include_file,
5868 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
5869 Move struct if_stack to cpplib.c. Move struct cpp_pending to
5871 Change all uses of U_CHAR to be unsigned char instead.
5872 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
5874 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
5876 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
5877 (dwarf2out_begin_prologue): Set it.
5878 (output_call_frame_info): Don't emit EH unwind info for leaves.
5880 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
5881 can occur outside of an EH region.
5882 * except.c: Correct comments about rethrow behavior.
5883 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
5885 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
5887 * flow.c (make_edges): Always call make_eh_edge for calls.
5889 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
5891 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
5892 (struct cpp_buffer): Remove fname and underflow fields.
5893 (struct cpp_reader): Remove get_token field.
5894 (struct include_hash): Rename to struct ihash. Add typedef to
5896 (struct if_stack): Remove fname field.
5897 (IF_STACK_FRAME): Rename to IF_STACK.
5899 * cpperror.c (print_containing_files): Trust that there are no
5900 macro buffers below the top file buffer.
5901 * cppfiles.c: Replace all references to 'struct include_hash'
5902 with 'IHASH'. Rename initialize_input_buffer to
5903 init_input_buffer. Don't set or reference cpp_buffer->fname,
5904 use buffer->ihash->name instead.
5905 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
5906 not CPP_NULL_BUFFER.
5907 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
5908 IF_STACK_FRAME, IHASH not struct include_hash.
5909 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
5910 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
5911 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
5912 references to cpp_buffer->fname (delete entirely, or use
5913 ->ihash->name instead) and IF_STACK->fname.
5914 (cpp_push_buffer): Don't set new->underflow.
5915 (do_include): Use cpp_file_buffer.
5917 * cpphash.c (collect_formal_parameters): Remove duplicate
5918 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
5919 used as a macro argument name. Don't append "..." to namebuf
5920 for varargs macros. After we're done scanning, go through
5921 namebuf and make it NUL separated, not comma separated.
5922 (_cpp_compare_defs): Remove register tag from variables.
5923 Expect defn->argnames to be NUL separated.
5924 (_cpp_dump_definition): Expect defn->argnames to be NUL
5925 separated and in forward order.
5926 * cpphash.h: Update documentation of argnames field.
5928 2000-03-08 Richard Henderson <rth@cygnus.com>
5930 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
5931 to fail. Don't pre-expand the source operand.
5933 * i386.md (strlensi): Initialize eoschar and align before use.
5935 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
5937 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
5938 CONSTRUCTOR element.
5940 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
5942 * mips.c (mips_expand_prologue): If the last
5943 named argument is the vararg marker "va_list", treat it as
5944 an unnamed argument.
5946 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
5948 * dbxout.c (dbxout_parms): When correcting for promoted
5949 big-endian parameters, use the mode of the DECL_RTL rather
5950 than UNITS_PER_WORD.
5952 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
5954 * c-common.h (make_fname_decl): Declare.
5955 * c-common.c (make_fname_decl): Define.
5956 (declare_hidden_char_array): Remove.
5957 (declare_function_name): Use make_fname_decl.
5958 * c-decl.c (c_make_fname_decl): New function.
5959 (init_decl_processing): Set make_fname_decl.
5961 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
5963 * cccp.c (handle_directive): Initialize backslash_newlines_p.
5965 2000-03-07 Philipp Thomas <pthomas@suse.de>
5967 * po/POTFILES.in: Remove cppalloc.c from file list.
5969 2000-03-07 Steve Chamberlain <sac@pobox.com>
5971 * pj.c (pj_expand_prologue): current_function->args_info is
5972 now current_function_args_info.
5974 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
5975 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
5976 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
5978 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5980 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
5981 output as hexadecimal rather than the default octal.
5983 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
5985 * cpphash.c (special_symbol): Fix thinko in previous commit.
5987 2000-03-07 Neil Booth <NeilB@earthling.net>
5989 * cppexp.c (struct operation, left_shift, right_shift,
5990 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
5991 "int"s to "unsigned int"s.
5992 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
5994 * cpplib.h: Update for above.
5995 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
5996 returned from allocations.
5998 * cppinit.c (opt_comp, parse_options): New functions.
5999 (handle_option): Use parse_option to parse a single command
6000 line option, that possibly takes an argument.
6001 (cpp_handle_options): Sort the array of command line options on
6002 first invocation (non-ASCII hosts only).
6003 (print_help): Update.
6005 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6007 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6008 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6010 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6012 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6014 * cpperror.c (cpp_print_containing_files,
6015 cpp_print_file_and_line, v_cpp_message): Rename to
6016 print_containing_files, print_file_and_line, and v_message.
6017 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6018 to _cpp_parse_expr, parse_escape, and lex.
6019 (parse_charconst): Remove broken multibyte support.
6020 * cppfiles.c (include_hash): Make static.
6021 (cpp_included): New function.
6022 (merge_include_chains, find_include_file, finclude,
6023 simplify_pathname): Rename to _cpp_merge_include_chains,
6024 _cpp_find_include_file, _cpp_read_include_file, and
6025 _cpp_simplify_pathname.
6026 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6027 cpp_install, create_definition, macroexpand, compare_defs,
6028 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6029 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6030 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6031 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6033 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6035 * cpphash.h: Update prototypes.
6036 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6038 2000-03-07 Andrew Haley <aph@cygnus.com>
6040 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6041 PTRDIFF_TYPE should be based solely on Pmode.
6044 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6046 * rtl.h (rtunion_def): Constify member `rtstr'.
6047 (emit_line_note_after, emit_line_note, emit_line_note_force,
6048 emit_note, decode_asm_operands): Constify.
6050 * cse.c (canon_hash): Likewise.
6052 * dbxout.c (dbxout_block): Likewise.
6054 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6055 v_warning_for_asm): Likewise.
6057 * dwarfout.c (function_start_label): Likewise.
6059 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6060 emit_line_note_force): Likewise.
6062 * final.c (last_filename, asm_insn_count, final_scan_insn,
6063 output_source_line): Likewise.
6065 * function.h (struct emit_status): Likewise.
6067 * gcse.c (hash_expr_1): Likewise.
6069 * genattr.c (gen_attr, main): Likewise.
6071 * genattrtab.c (struct function_unit, current_alternative_string,
6072 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6073 attr_numeral, check_attr_test, check_attr_value,
6074 convert_set_attr_alternative, convert_set_attr,
6075 compute_alternative_mask, simplify_by_exploding, gen_attr,
6076 gen_unit): Likewise.
6078 * genflags.c (gen_insn): Likewise.
6080 * gengenrtl.c (type_from_format): Likewise.
6082 * genopinit.c (gen_insn): Likewise.
6084 * genoutput.c (n_occurrences, process_template, process_template):
6087 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6090 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6093 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6094 ggc_set_mark, ggc_get_size): Likewise.
6096 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6098 * optabs.c (init_one_libfunc): Likewise.
6100 * output.h (assemble_start_function): Likewise.
6102 * recog.c (decode_asm_operands): Likewise.
6104 * toplev.c (rest_of_compilation): Likewise.
6106 * tree.h (emit_line_note_after, emit_line_note,
6107 emit_line_note_force): Likewise.
6109 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6110 asm_emit_uninitialised, assemble_start_function,
6111 assemble_variable, const_hash, compare_constant_1,
6112 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6114 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6116 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6118 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6120 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6122 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6123 arm_dllimport_name_p): Likewise.
6125 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6128 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6130 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6132 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6133 arm_mark_dllexport, arm_mark_dllimport,
6134 arm_pe_encode_section_info): Likewise.
6136 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6137 ASM_FINISH_DECLARE_OBJECT): Likewise.
6139 * arm/thumb.c (thumb_function_prologue): Likewise.
6141 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6143 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6145 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6147 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6149 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6151 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6153 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6154 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6156 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6158 * i386/i386.c (asm_output_function_prefix): Likewise.
6160 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6162 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6164 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6166 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6167 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6168 ASM_OUTPUT_SECTION_NAME): Likewise.
6170 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6172 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6174 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6176 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6178 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6180 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6182 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6184 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6186 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6188 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6190 * mips/mips.md (movdi, movsi): Likewise.
6192 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6194 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6196 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6198 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6199 ASM_OUTPUT_ASCII): Likewise.
6201 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6202 output_mi_thunk, output_toc): Likewise.
6204 * rs6000/rs6000.md (movsi): Likewise.
6206 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6208 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6210 * v850/v850.c (print_operand, print_operand_address,
6211 v850_encode_data_area): Likewise.
6213 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6215 * config/mips/mips.md (zero_extendsidi2): Always force operand
6216 one to memory for mips16.
6218 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6220 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6221 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6222 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6223 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6224 (min_precision): Result is unsigned.
6225 (add_double, neg_double, mul_double): Low word is unsigned.
6226 (lshift_double, rshift_double, lrotate_double): Likewise.
6227 (rrotate_double, div_and_round_double): Likewise.
6228 (tree_floor_log2, compare_tree_int): New functions.
6229 (preserve_rtl_expr_temps): New declaration.
6230 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6231 (decl_attributes): Use tree_log2 to find alignment.
6232 Check for TREE_INT_CST_HIGH for format args.
6233 (min_precision): Now unsigned.
6234 Use tree_floor_log2.
6235 (truthvalue_conversion): Delete long-disabled code.
6236 * c-decl.c (finish_struct): Clean up tests on field width.
6237 (finish_function): Use compare_tree_int.
6238 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6239 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6240 (default_conversion, digest_init): Use compare_tree_int.
6241 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6242 Fix type errors in forming masks.
6243 * calls.c (initialize_argument_information): Use compare_tree_int.
6244 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6245 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6246 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6247 (store_field): Use compare_tree_int.
6248 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6249 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6250 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6251 (do_store_flag): Use compare_tree_int.
6252 * fold-const.c (encode, decode): Low part is always unsigned.
6253 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6254 (lshift_double, rshift_double, lrotate_double): Likewise.
6255 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6256 (fold_convert): Use compare_tree_int.
6257 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6258 (invert_truthvalue, case INTEGER_CST): Likewise.
6259 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6260 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6261 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6262 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6264 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6265 (expand_end_case): Use compare_tree_int.
6266 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6267 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6268 (layout_decl): Likewise.
6269 (layout_record, layout_union): Make sizes unsigned.
6270 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6271 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6272 * tree.c (struct type_hash): hashcode is unsigned.
6273 (build_type_attribute_variant, type_hash_list): Likewise.
6274 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6275 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6276 (build_complex_type): Likewise.
6277 (real_value_from_int_cst): Remove unneeded casts.
6278 (integer_all_onesp): Add casts.
6279 (tree_floor_log2, compare_tree_int): New functions.
6280 (build_index_type): Use tree_int_cst_sgn.
6281 * varasm.c (assemble_variable): Use compare_tree_int.
6283 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6285 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6287 * varasm.c (make_decl_rtl): Don't add a number to members of
6289 (make_function_rtl): Likewise.
6291 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6293 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6294 patch from 2000-01-28.
6296 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6298 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6299 filled with an insn from the jump target.
6301 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6303 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6304 (c4x_external_ref): Likewise.
6305 * config/c4x/c4x.c (struct name_list): Likewise.
6307 1999-12-16 Ben Collins <bcollins@debian.org>
6309 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6310 argument to genmultilib.
6311 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6312 the contents into the multilib.h header.
6313 * gcc.c: Declare multilib_exclusions for the specs file.
6314 (set_multilib_dir): Use it.
6315 (print_multilib_info): Likewise.
6316 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6317 to pass to genmultilib.
6319 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6321 * builtins.c (built_in_class_names, built_in_names): Constify a
6324 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6326 (_mcleanup): Ensure value matches format specifier in sprintf.
6328 * cpphash.c (special_symbol): Don't needlessly cast away
6331 * cppinit.c (base_name): Delete unused prototype.
6333 * mkdeps.c (deps_init): Make definition K&R safe.
6335 * tree.h (built_in_class_names, built_in_names): Constify a
6338 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6340 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6341 floating point instructions for epilogue delay.
6343 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6344 to gas if it supports .register pseudo.
6346 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6347 LONG_DOUBLE_TYPE_SIZE if not defined.
6348 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6349 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6351 * gengenrtl.c: Likewise.
6352 * print-rtl.c: Likewise.
6354 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6355 MASK_LONG_DOUBLE_128.
6356 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6357 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6358 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6359 (SUBTARGET_SWITCHES): Define.
6360 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6361 with -mlong-double-128.
6362 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6363 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6364 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6365 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6366 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6367 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6368 with -mlong-double-128.
6369 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6370 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6371 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6372 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6373 TARGET_LONG_DOUBLE_128): Define.
6374 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6375 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6376 long double on TARGET_ARCH64.
6378 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6380 * function.c (free_temps_for_rtl_expr): Don't free slots
6381 that have been pushed into a higher level.
6384 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6386 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6388 * basic-block.h (ALLOCA_REG_SET): Remove.
6389 (INITIALIZE_REG_SET): New macro.
6390 * flow.c (update_life_info): Use it.
6391 (calculate_global_regs_live): Likewise.
6392 (propagate_block): Likewise.
6393 * global.c (build_insn_chain): Likewise.
6394 * haifa-sched.c (schedule_region): Likewise.
6396 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6398 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6399 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6400 (DWARF_ARANGES_PAD_SIZE): New define.
6401 (output_aranges): Use it to pad the address range header.
6402 (DWARF_ROUND): Fix for non power of 2 rounding.
6404 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6406 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6408 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6410 * tree.def (RTL_EXPR): Update documentation.
6411 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6412 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6413 * function.c (preserve_rtl_expr_temp): New function.
6414 (preserve_rtl_expr_temps): Likewise.
6415 (preserve_rtl_expr_result): Use it.
6418 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6420 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6422 * regmove.c (copy_src_to_dest) Do not create src->dest move
6423 for unchanging destination.
6425 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6427 * function.h (struct sequence_stack): Remove rtl_expr.
6428 (struct emit_staus): Likewise.
6429 (seq_rtl_expr): Remove.
6430 * tree.h (free_temps_for_rtl_expr): Don't declare.
6431 (start_sequence_for_rtl_expr): Likewise.
6432 * rtl.h (preserve_rtl_expr_result): Likewise.
6433 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6434 (start_sequence_for_rtl_expr): Remove.
6435 (push_topmost_sequence): Don't save sequence_rtl_expr.
6436 (pop_topmost_sequence): Remove comment about not restoring it.
6437 (end_sequence): Don't set seq_rtl_expr.
6438 (init_emit): Don't initialize it.
6439 (mark_sequence_stack): Don't mark it.
6440 (mark_emit_status): Likewise.
6441 * except.c (protect_with_terminate): Use
6442 start_sequence_for_rtl_expr, not start_sequence.
6443 * expr.c (expand_expr, case RTL_EXPR): Don't call
6444 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6445 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6446 (preserve_rtl_expr_result): Remove.
6447 (free_temps_for_rtl_expr): Likewise.
6448 (pop_temp_slots): Likewise.
6449 (mark_temp_slot): Don't mark the rtl_expr.
6450 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6451 start_sequence_for_rtl_expr.
6453 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6455 * mkdeps.c, mkdeps.h: New files.
6456 * po/POTFILES.in: Add them.
6457 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6458 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6459 (mkdeps.o): New target.
6461 * cppfiles.c: Delete deps_output.
6462 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6463 OBJECT_SUFFIX, and base_name.
6464 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6466 (initialize_dependency_output): Use deps_init,
6467 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6468 all the unnecessary string bashing.
6469 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6471 * cpplib.c (do_include): Use deps_add_dep.
6472 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6473 deps_allocated_size, deps_size, deps_column members with
6474 single pointer to a struct deps. Delete prototype of
6477 * cppinit.c: Fix thinko in previous patch.
6479 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6481 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6482 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6483 (mode_for_size_tree): New function.
6484 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6485 * tree.h (mode_for_size_tree): New declaration.
6487 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6489 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6491 * stmt.c (is_body_block): Move...
6492 * dwarfout.c, dwarf2out.c: ...from here.
6493 * tree.h: Declare it.
6494 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6495 * final.c (final_start_function): Do call remove_unnecessary_notes
6498 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6500 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6502 * cpplib.h (_dollar_ok): New macro.
6503 (is_idchar, is_idstart): Use it.
6504 (IStable): Rename to _cpp_IStable. Declare it const if
6505 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6506 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6507 is_space): Update for renamed IStable.
6509 * cppinit.c: Delete all references to FAKE_CONST and CAT
6510 macros. Define init_IStable as empty macro if gcc >=2.7 or
6511 C99. Change TABLE() to ISTABLE and hardcode name of table.
6512 (cpp_start_read): Don't change the IStable based on
6515 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6516 changed. Handle '$' for char1 correctly.
6517 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
6519 * cppexp.c (tokentab2): Make const.
6520 (cpp_lex): Make toktab const.
6521 * cppinit.c (include_defaults_array): Make const.
6522 (initialize_standard_includes): Make default_include const.
6524 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6526 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
6527 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
6528 (gen_decl_die): Likewise.
6529 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
6530 (output_decl): Likewise.
6532 * varasm.c (make_function_rtl): If we change the name used in the
6533 rtl, update DECL_ASSEMBLER_NAME accordingly.
6534 (make_decl_rtl): Likewise.
6536 * toplev.c (rest_of_compilation): Tweak formatting.
6538 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
6539 remove_unnecessary_notes.
6540 (debug_ignore_block): New fn.
6541 * toplev.h: Declare it.
6542 * emit-rtl.c (remove_unncessary_notes): Call it.
6543 * dwarf2out.c (dwarf2out_ignore_block): New fn.
6544 * dwarf2out.h: Declare it.
6545 * final.c (final_start_function): Don't call remove_unnecessary_notes
6546 if we did insn scheduling.
6548 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6550 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
6551 * cpplib.h: Delete SET_CPP_PEDANTIC.
6553 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6555 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
6556 result is a RECORD_TYPE.
6558 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
6560 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
6562 2000-03-03 Richard Henderson <rth@cygnus.com>
6564 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
6565 addition over compliments over shifts.
6567 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6569 * reload1.c (reload_combine_note_use): Handle return register USEs.
6570 REG case: Handle multi-hard-register hard regs.
6572 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6574 * md.texi: Document use of '*' in insn pattern name.
6576 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6578 * calls.c (special_function_p): operator new may not be malloc-like.
6580 * gcse.c (dump_hash_table): Really fix error in last change.
6582 2000-03-02 Denis Chertykov <denisc@overta.ru>
6584 * avr.c (print_operand): Use print_operand_address instead of
6586 * avr/libgcc.S: Cleanup code.
6588 2000-03-02 Richard Henderson <rth@cygnus.com>
6590 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
6592 2000-03-02 Mark Mitchell <mark@codesourcery.com>
6594 * tree.h (TYPE_ALIGN_UNIT): New macro.
6596 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
6598 * i386.c: (constant_call_address_operand): Reject CONST_INT.
6600 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
6602 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
6604 (SET_CPP_PEDANTIC): New macro.
6605 * cpplib.c (do_include): Don't bother checking system_header_p.
6606 (do_warning, do_ident, do_assert, do_unassert): Likewise.
6607 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
6609 * function.h (struct expr_status): Add x_arg_space_so_far.
6610 (arg_space_so_far): New macro.
6611 * expr.c (init_expr): Initialize it.
6612 * calls.c (emit_call_1): Reset it.
6613 (compute_argument_block_size, expand_call): Use it.
6614 (expand_call, store_one_arg): Increment it.
6616 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6618 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
6621 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
6623 * cppfiles.c (cpp_read_file): New function.
6625 * cpphash.c (collect_expansion): Make sure to reset last_token
6626 to NORM when we hit a string. Handle trailing whitespace
6627 properly when the expansion is empty.
6628 (create_definition): Disable line commands while parsing the
6630 (dump_definition): If pfile->lineno == 0, output a line
6631 command ahead of the dump, and add a trailing newline.
6633 * cppinit.c (append_include_chain): Add fifth argument, which
6634 indicates whether or not system headers are C++ aware.
6635 (initialize_standard_includes): New function,
6636 broken out of read_and_prescan. Pass 'cxx_aware' value from
6637 the include_defaults_array on to append_include_chain.
6638 (dump_special_to_buffer): Const-ify char array.
6639 (builtin_array): Don't dump __BASE_FILE__.
6640 (cpp_start_read): Use cpp_read_file. Reorder code for
6641 clarity. Don't output line commands here for -D/-A/-U
6642 switches. Don't call deps_output for files included with
6643 -include or -imacros.
6645 * cpplib.c (do_define): Don't pay any attention to the second
6647 (cpp_expand_to_buffer): Disable line commands while scanning.
6648 (output_line_command): Work in the file buffer.
6649 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
6650 Fix formatting of comments. Prototype cpp_read_file.
6652 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6654 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
6655 reference the language-equivalent of sizetype.
6656 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
6657 * fold-const.c (size_binop, size_diffop): Put back checks.
6658 * gcse.c (dump_hash_table): Fix minor error in last change.
6659 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
6660 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
6663 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
6665 * calls.c (expand_call) Do not attempt to combine stack adjustments
6666 with inhibit_defer_pop set.
6668 2000-03-01 Mark Mitchell <mark@codesourcery.com>
6670 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
6671 the DECL_SIZE for a FIELD_DECL.
6673 2000-03-01 Bruce Korb <bkorb@gnu.org>
6675 * fixinc/inclhack.tpl: remove unused symlinks
6676 * fixinc/README: GCC Maintainer info
6677 * fixinc/inclhack.sh: regen
6678 * fixinc/fixincl.sh: regen
6680 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
6682 * cpphash.c (collect_expansion): Trim trailing white space
6683 from macro definitions, but don't go past the last insertion
6686 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
6688 * i386.md (mulqi3): New pattern.
6690 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
6692 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
6694 (struct cpp_reader): Add parsing_if_directive and
6695 parsing_define_directive flags.
6696 (struct cpp_options): Remove output_conditionals flag.
6697 (check_macro_name): Delete prototype.
6699 * cpphash.h (struct macrodef): Delete.
6700 (struct reflist): Separate from struct definition.
6701 (struct definition): Remove unused fields. Add column number.
6702 (create_definition): Returns a DEFINITION *. Takes a
6703 cpp_reader * and an int.
6705 * cpphash.c (SKIP_WHITE_SPACE): Delete.
6706 (PEEKC): Copy defn from cpplib.c.
6707 (rest_extension, REST_EXTENSION_LENGTH): Delete.
6709 (struct arglist): Simplify.
6710 (collect_expansion): Rewrite. Get tokens by calling
6711 cpp_get_token. Add more error checking.
6712 (collect_formal_parameters): New function, broken out of
6713 create_definition and reworked to use get_directive_token.
6714 (create_definition): All real work is now in collect_expansion
6715 and collect_formal_parameters. do_define handles finding the
6716 macro name. Return a DEFINITION, not a MACRODEF.
6717 (macroexpand): Replace bcopy with memcpy throughout. Replace
6718 character-at-a-time copy loop with memcpy and pointer increments.
6719 (compare-defs): d1->argnames / d2->argnames might be null.
6721 * cpplib.c (copy_rest_of_line): Delete function.
6722 (skip_rest_of_line): Do all the work ourselves.
6723 (skip_string): New function.
6724 (parse_string): Use skip_string.
6725 (get_macro_name): New function.
6726 (check_macro_name): Delete.
6727 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
6728 (cpp_skip_hspace): Use CPP_BUMP_LINE.
6729 (handle_directive): ICE if we're called on a macro buffer.
6730 (do_define): Determine macro name and type (funlike/objlike)
6731 here. Expunge all uses of MACRODEF.
6732 (cpp_push_buffer): Set line_base to NULL.
6733 (do_undef, read_line_number): Don't worry about getting a POP token.
6734 (eval_if_expression): Set/reset parsing_if_directive around
6735 cpp_parse_expr. Don't clear only_seen_white.
6736 (skip_if_group): Remove output_conditionals logic. Use
6738 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
6739 tokens under appropriate conditions.
6740 (cpp_unassert): Call do_unassert not do_assert. Oops.
6742 * cppexp.c (parse_defined): New function, break out of
6744 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
6745 ourselves, with cpp_defined.
6746 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
6748 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
6749 * gcc.dg/strpaste-2.c: New.
6751 2000-02-29 Mark Mitchell <mark@codesourcery.com>
6753 * fold-const.c (size_binop): Don't asert inputs are the same and
6754 have TYPE_IS_SIZETYPE set.
6755 (size_diffop): Likewise.
6757 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
6759 * dwarfout.c (output_block): Output abstract blocks even if they
6760 don't have TREE_ASM_WRITTEN set.
6762 * calls.c (emit_library_call): Check for null REG.
6764 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
6766 * c-decl.c (current_function_decl): Move to toplev.c.
6767 (init_decl_processing): Don't add current_function_decl as a ggc
6769 * dbxout.c (dbxout_symbol): Change return type to int.
6770 (dbxout_symbol_location, dbxout_syms): Likewise.
6771 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
6772 any locals. Use current_function_func_begin_label if set.
6773 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
6774 * dwarf2out.c (dwarf2out_begin_prologue): Set
6775 current_function_func_begin_label.
6776 * final.c (final_start_function): Reset it.
6777 * toplev.c (current_function_decl): Define it here.
6778 (current_function_func_begin_label): New variable.
6779 (main): Add both as ggc roots.
6780 * tree.h (current_function_func_begin_label): Declare.
6782 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6784 * gcse.c: Cleanups throughout: mostly white-space, but also
6785 some minor rearrangement of code.
6787 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
6789 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
6790 returns a PARALLEL. Use emit_group_load and use_group_regs
6792 (emit_library_call_value): Similarly.
6794 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
6795 * pa/quadlib.asm: Remove.
6796 * pa/quadlib.c: New file.
6798 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
6799 * configure: Rebuilt.
6801 2000-02-29 Philip Blundell <pb@futuretv.com>
6803 * config/arm/conix-elf.h: New file.
6804 * configure.in (arm*-*-conix*): New configuration.
6805 * configure: Regenerate.
6807 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
6809 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
6810 don't have TREE_ASM_WRITTEN set.
6812 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6814 * Eliminate DECL_FIELD_SIZE.
6815 * builtins.c (built_in_class_names, built_in_names): New variables.
6816 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
6817 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
6818 DECL_SIZE, not DECL_FIELD_SIZE.
6819 * print-tree.c (print_node): Remove code that prints extra blank
6820 lines in some cases.
6821 Properly handle inline and builtin function cases.
6822 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
6823 * tree.h (built_in_class_named, built_in_names): New declarations.
6824 (union tree_decl): Rename internal unions to u1 and u2 and change
6825 some of their components.
6826 Add new field built_in_class.
6827 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
6828 Reflect above changes.
6829 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
6830 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
6831 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
6832 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
6834 2000-02-28 Dmitri Makarov <dim@windriver.com>
6836 * extend.texi: Document ARM's support for long/short calls.
6838 * invoke.texi: Document ARM's -mlong-calls command line switch.
6840 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
6841 (arm_encode_call_attribute): Add prototype.
6842 (arm_set_default_type_attribute): Add prototype.
6843 (arm_strip_name_encoding): Add prototype.
6845 * config/arm/arm.c (arm_init_cumulative_args): replace
6846 initialisation og 'long_calls' field with initialisation of
6847 'call_cookie' field.
6848 (enum arm_pragma_enum): New enum.
6849 (arm_pragma_long_calls): New static variable.
6850 (arm_process_pragma): Also process "#pragma long_calls_off".
6851 (arm_valid_type_attribute_p): Accept short_call attribute.
6852 (arm_comp_type_attributes): Check long/short call attributes.
6853 (arm_encode_call_attribute): New function: Encode long_call
6854 or short_call attribute in function name.
6855 (arm_set_default_type_attributes): New function: Assign
6856 default attributes to newly defined type.
6857 (current_file_function_operand): New function: Return true if
6858 the symbol is a function which has already been compiled.
6859 (arm_is_longcall_p): New function: Return true if the
6860 indicated function should be called via a long call.
6861 (arm_get_strip_length): New function. Returns number of
6862 prefix characters to be stripped from a function's name.
6863 (arm_strip_name_encoding): New function. Strip prefix characters
6864 from a function's name.
6866 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
6868 (SHORT_CALL_FAG_CHAR): Define.
6869 (LONG_CALL_FAG_CHAR): Define.
6870 (ENCODED_SHORT_CALL_ATTR_P): Define.
6871 (ENCODED_LONG_CALL_ATTR_P): Define.
6872 (ARM_NAME_ENCODING_LENGTHS): Define.
6873 (STRIP_NAME_ENCODING): Define.
6874 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
6875 (ARM_ENCODE_CALL_TYPE): Define.
6876 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
6877 (ARM_DECLARE_FUNCTION_SIZE): Define.
6878 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
6880 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
6881 if a long call is needed.
6882 (call_value): Ditto.
6883 (call_symbol): Ditto.
6885 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
6886 ARM_DECLARE_FUNCTION_SIZE.
6888 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
6889 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
6890 (ARM_STRIP_NAME_ENCODING): Undefine.
6891 (STRIP_NAME_ENCODING): Undefine.
6892 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
6893 (ASM_DECLARE_FUNCTION_NAME): Ditto.
6894 (ASM_OUTPUT_COMMON): Ditto.
6895 (ASM_DECLARE_OBJECT_NAME): Ditto.
6897 * config/arm/pe.c (arm_dllexport_name_p): Check for
6899 (arm_dllimport_name_p): Ditto.
6900 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
6901 (arm_mark_dllimport): Ditto.
6903 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6905 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
6907 2000-02-28 Mark Mitchell <mark@codesourcery.com>
6909 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
6911 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
6913 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
6914 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
6915 NO_BUILTIN_WCHAR_TYPE is not defined.
6916 (CPP_WCHAR_TYPE): Delete.
6917 * cccp.c (main): Don't change wchar_type if cplusplus.
6918 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
6920 2000-02-28 Nick Clifton <nickc@cygnus.com>
6922 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
6924 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
6926 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
6927 (ASM_WEAKEN_LABEL): Define.
6929 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
6931 * expr.c (store_constructor): Do not emit USE.
6932 * rtl.h (stupid_life_analysis): Remove.
6934 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6936 * function.c (number_blocks): Reset next_block_index based on
6937 what debugging format is used, not what is defined.
6939 * lcm.c: Minor reformatting throughout.
6940 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
6942 * toplev.c (rest_of_compilation): Account for time in
6943 optimize_mode_switching.
6945 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
6946 if only marking labels.
6948 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
6950 * calls.c (expand_call): Attempt to combine stack adjustments with
6951 pending stack adjustments.
6953 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6955 * loop.c (reg_in_basic_block_p): Don't abort when falling through
6956 to the end of the function.
6958 2000-02-27 Mark Mitchell <mark@codesourcery.com>
6960 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
6962 * final.c (next_block_index): Remove.
6963 (max_block_depth): Likewise.
6964 (pending_blocks): Likewise.
6965 (init_final): Don't initialize them.
6966 (final_start_function): Don't set next_block_index. Set up
6968 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
6969 * function.h (number_blocks): New function.
6970 * function.c (get_block_vector): New function.
6971 (identify_blocks): Use it.
6972 (reorder_blocks): Set NOTE_BLOCK.
6973 (number_blocks): New function.
6974 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
6975 * tree.h (BLOCK_NUMBER): New macro.
6976 (tree_block): Add block_num field.
6977 * dbxout.c (next_block_number): Remove.
6978 (dbxout_init): Don't set it.
6979 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
6980 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
6982 * toplev.c (rest_of_compilation): Always call
6983 find_loop_tree_blocks. Fix indentation.
6984 * dwarf2out.c (next_block_number): Remove.
6985 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
6986 to determine block numbers.
6987 (gen_inlined_subroutine_die): Likewise.
6988 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
6989 (decls_for_scope): Don't increment next_block_number.
6990 * dwarfout.c (next_block_number): Remove.
6991 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
6992 to determine block numbers.
6993 (output_inlined_subroutine_die): Likewise.
6994 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
6995 (output_decls_for_scope): Don't increment next_block_number.
6996 * sdbout.c (next_block_number): Remove.
6997 (sdbout_block): Use BLOCK_NUMBER.
6998 (sdbout_begin_block): Simplify.
6999 * xcoffout.c (next_block_number): Remove.
7000 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7001 (xcoffout_begin_block): Don't set next_block_number.
7002 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7005 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7007 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7008 (expand_builtin_strcpy): Pass correct type to size_binop.
7009 (expand_builtin_strcmp): Likewise.
7010 Clean up conditional structure.
7011 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7012 (complete_array_type): Don't use size_binop for MAXINDEX.
7013 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7014 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7015 (c_alignof): Use size_one_node.
7016 (build_unary_op): Pass arg of proper type to size_binop.
7017 (really_start_incremental_init, push_init_level): Use sizetype for
7018 constructor{,_bit,_unfilled}_index.
7019 (pop_init_label, output_init_element): Likewise.
7020 (output_pending_init_elements, process_init_element): Likewise.
7021 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7022 * expr.c (store_expr): Use size_int.
7023 (store_constructor): Use proper types for size_binop args.
7024 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7025 (expand_expr_unaligned): Likewise.
7026 (string_contant): Return object of sizetype.
7027 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7028 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7029 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7030 * fold-const.c (int_const_binop): Refine when size_int is called.
7031 (fold_convert): Likewise.
7032 (size_int_wide): Rework to take KIND as arg, only take low order
7033 bits, handle new sizetype_tab datatype, and chain entries in
7035 (size_int_type_wide): New function.
7036 (size_binop): Validate types of arguments.
7037 (ssize_binop): Deleted.
7038 (size_diffop): New function.
7039 (extract_muldiv): Only fold division into multiplication for sizetypes.
7040 * function.c (assign_parms): Use size_diffop and make sure
7041 VAR field is of ssizetype; also pass proper type to size_binop.
7042 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7043 (round_down): Deleted from here.
7044 * store-layout.c (sizetype_tab): Now an array.
7045 (sizetype_set, early_root_list): New variables.
7046 (variable_size): Use size_one_node.
7047 (round_up): Pass proper type to size_binop.
7048 (round_down): Moved to here and corrected as above.
7049 (layout_record): Pass proper arg types to size_binop.
7050 (layout_type): Likewise.
7051 If sizetype_set is zero, record the type just laid out.
7052 (make_unsigned_type): Don't call set_sizetype;
7053 (make_signed_type): Likewise; also, call fixup_signed_type.
7054 (initialize_sizetypes): New function.
7055 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7056 set name of bitsizetype to "bit_size_type".
7057 Fix up type of sizes of all types made before call.
7058 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7059 * tree.c (fix_sizetype): Deleted.
7060 (build_common_tree_nodes): Call initialize_sizetypes.
7061 (build_common_tree_nodes_2): Don't call fix_sizetype.
7062 * tree.h (TYPE_IS_SIZETYPE): New macro.
7063 (initialize_sizetype): New declaration.
7064 (enum size_type_kind): New type.
7065 (struct sizetype_tab): Deleted.
7066 (sizetype_tab): Now array; adjust sizetype macros.
7067 (size_diffop, size_int_type_wide): New functions.
7068 (size_int_wide): Change number of args and type; access macros changed.
7069 (ssize_int, sbitsize_int): New macros.
7070 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7071 (ROUND_TYPE_SIZE_UNIT): New macro.
7073 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7075 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7077 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7079 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7080 Mark as possibly unused.
7082 * cse.c (cse_insn): Delete dead code involving tablejump.
7083 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7085 * Makefile.in (libcpp.a): Start by deleting it.
7087 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7089 * cpplib.h (enum file_change_code): Added rename_file.
7090 * cpplib.c (do_line): If a filename is given, set file_change to
7092 (output_line_command): If file_change is rename_file, always
7093 output a # directive with the file name.
7095 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7097 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7099 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7100 when copying a PARM_DECL or RESULT_DECL.
7102 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7104 * fix-header.c (recognized_function): Also fix prototypes for
7105 functions taking "void".
7107 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7109 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7110 looking at reg_reloaded_contents.
7112 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7114 * Makefile.in (STMP_FIXINC): New toggle.
7115 (LIBGCC2_DEPS): Delete all references.
7116 (stmp-headers): Delete target. All references either deleted
7117 or changed to stmp-int-headers.
7118 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7119 (LIBCPP_OBJS): Take out cppalloc.o.
7120 (cppalloc.o): Delete target.
7121 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7122 (gen-protos, fix-header): Link with libiberty.a.
7123 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7126 * configure.in: Remove refs to strerror.
7127 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7128 * system.h: Take out strerror stanza.
7130 * cpperror.c (my_strerror): Delete function.
7131 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7132 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7133 * cppalloc.c: Delete file.
7134 * gen-protos.c: Don't provide xrealloc.
7136 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7137 xstrerror throughout.
7139 2000-02-26 Bruce Korb <bkorb@gnu.org>
7141 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7142 match for DOS headers, too.
7143 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7145 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7147 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7148 is right for most ELF targets.
7149 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7150 Let the default file use %U properly.
7151 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7154 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7157 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7159 * toplev.c (documented_lang_options): Correct spelling error.
7160 (decode_d_option, decode_f_option, main): Likewise.
7162 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7164 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7165 to tell assembler it is permitted to expand large constants.
7167 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7169 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7170 (aux_info_suffix): Use.
7171 (SAVE_SUFFIX): New macro.
7173 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7174 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7175 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7177 * invoke.texi (Running Protoize): Update documentation.
7179 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7181 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7183 2000-02-25 John Wehle (john@feith.com)
7185 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7187 2000-02-25 Anthony Green <green@cygnus.com>
7189 * toplev.c (rest_of_compilation): Rebuild jump labels if
7190 combine_instructions has created a new direct jump.
7191 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7193 (combine_instructions): Call try_combine with new argument.
7194 Return non-null value when new direct jump instruction is created.
7195 * rtl.h: combine_instructions returns an int.
7197 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7199 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7200 jump when changing a computed jump into a jump to a known
7203 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7205 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7206 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7208 * i386.md (define_expand "clrstrsi"): Fix typo.
7210 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7212 * rtl.texi: Fix typo.
7214 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7216 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7217 UNITS_PER_WORD. Change caller initial_elimination_offset.
7218 (rounded_frame_size): Take into account that argument pushed has
7219 changed. Fix TARGET_ALIGN_DOUBLE problem.
7221 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7223 * haifa-sched.c (schedule_block): Explain the real reason
7224 we delete REG_SAVE_NOTEs on the first insn of a block.
7225 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7227 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7229 * input.h (push_srcloc): New function.
7230 (pop_srcloc): Likewise.
7231 * toplev.c (push_srcloc): Define it.
7232 (pop_srcloc): Likewise.
7234 2000-02-24 Richard Henderson <rth@cygnus.com>
7236 * flow.c (life_analysis): When collecting reg info, clear
7239 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7241 Fix bug exposed by reload.c no longer rounding the frame
7242 size to BIGGEST_ALIGNMENT:
7243 * sh.c (rounded_frame_size): New function.
7244 (sh_expand_prologue, sh_expand_epilogue): Use it.
7245 (initial_elimination_offset): Likewise.
7247 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7249 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7250 * sh-protos.h (sh_need_epilogue): Declare.
7251 * sh.c (sh_need_epilogue_known): New static variable.
7252 (sh_need_epilogue): New function.
7253 (function_epilogue): Clear need_epilogue_known.
7254 * sh.md (return): Split into expander / insn pattern.
7255 Make the expander conditional on ! sh_need_epilogue ().
7257 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7259 * machmode.h (get_mode_alignment): Declare.
7260 (GET_MODE_ALIGNMENT): Call it.
7261 * stor-layout.c (get_mode_alignment): New function. Make
7262 sure alignment is always power of 2.
7264 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7266 * i386.h: Remove useless definition of "I386" and misleading
7269 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7271 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7272 under which TREE_PERMANENT will be set.
7273 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7274 build1): Use TREE_SET_PERMANENT.
7275 * print-tree.c (print_node): Don't report value of
7276 TREE_PERMANENT if ggc_p is true.
7278 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7279 decide whether to give a type a new alias set.
7280 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7281 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7282 of value of 'obstack'.
7285 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7287 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7289 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7291 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7292 * cpplib.c (cpp_get_token): Produce them.
7293 * cppexp.c (cpp_lex): Handle them.
7295 2000-02-23 Nick Clifton <nickc@cygnus.com>
7297 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7298 comment tests on type attributes.
7300 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7302 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7303 conform to documentation.
7304 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7305 to check for special cases.
7306 * sh-protos.h (sh_loop_align): Declare.
7307 * sh.c (sh_loop_align): Define.
7309 2000-02-22 Andrew Haley <aph@cygnus.com>
7311 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7312 (SIZE_TYPE): Is 32 bits when using -mgp32.
7313 (PTRDIFF_TYPE): Ditto.
7315 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7317 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7319 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7321 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7322 BIGGEST_FIELD_ALIGNMENT a constant.
7324 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7326 * dwarf2out.c (output_line_info): Put the marker for the end of
7327 the line number info at the actual end.
7328 (gen_struct_or_union_type_die): Use decl_function_context
7329 to check for local classes.
7330 * dwarfout.c (output_type): Likewise.
7332 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7334 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7335 for arguments with a mode, but no type.
7336 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7337 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7338 * pa/long_double.h: New file.
7339 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7340 both have 128bit wide long doubles.
7341 * configure: Rebuilt.
7343 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7345 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7347 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7348 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7349 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7351 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7353 * integrate.c (compare_blocks, find_block): Likewise.
7355 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7357 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7359 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7360 expand_asm_operands): Likewise.
7362 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7364 * predict.c (estimate_probability): Added the pointer heuristic to
7365 the collection of static branch predictors.
7367 2000-02-21 Catherine Moore <clm@cygnus.com>
7369 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7370 * invoke.texi (-mfix7000): Document.
7372 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7374 * diagnostic.c (init_output_buffer): Make it possible to output at
7375 least 32 characters if we're given a too long prefix.
7377 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7379 * varasm.c (initializer_constant_valid_p): Call
7380 lang_expand_constant to simplify the constant.
7382 2000-02-20 Bruce Korb <bkorb@gnu.org>
7384 * fixinc/inclhack.def(stdio_va_list):
7385 typedef needs to be disabled.
7386 * fixinc/inclhack.sh: regen
7387 * fixinc/fixincl.x: regen
7389 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7391 * print-rtl.c (print_rtx): Don't print addresses when
7392 flag_dump_unnumbered.
7394 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7396 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7398 (sparc_va_arg, sparc_flat_output_function_prologue,
7399 sparc_flat_output_function_epilogue): Cast value to unsigned in
7401 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7403 * sparc.md: Add default case in switch.
7405 2000-02-19 Richard Henderson <rth@cygnus.com>
7407 * c-typeck.c (add_pending_init): Don't abort for multiple
7408 fields at the same offset.
7409 (pending_init_member): Test the correct member.
7411 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7413 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7415 (start_catch_handler) : Same.
7417 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7419 * Makefile.in: Have flow.o depend on $(EXPR_H)
7421 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7423 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7424 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7425 (finish_decl): Remove -Wlarger-than code from here.
7426 * flags.h (id_clash_len): Now int.
7427 (larger_than_size): Now HOST_WIDE_INT.
7428 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7429 Clean up checking to see if in table.
7430 (make_bit_field_ref): Remove extra parm to bitsize_int.
7431 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7432 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7433 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7434 and for computing size of decl.
7435 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7436 Move -Wlarger-than code to here.
7437 (layout_record): Remove extra arg to bitsize_int.
7438 Set TYPE_BINFO_SIZE_UNIT.
7439 (layout_union): Remove extra arg to bitsize_int.
7440 Use proper type for size of QUAL_UNION.
7441 (layout_type): Remove extra arg to bitsize_int.
7442 * toplev.c (id_clash_len): Now int.
7443 (larger_than_size): Now HOST_WIDE_INT.
7444 (decode_W_option): Clean up id-clash and larger-than- cases.
7445 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7446 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7447 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7448 (struct tree_decl): New field size_unit.
7449 (size_int_wide): No HIGH operand; NUMBER is now signed.
7450 (size_int_2): Deleted.
7451 (size_int, bitsize_int): Don't use it and rework args.
7452 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7454 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7456 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7458 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7460 * invoke.texi (Warning Options): Add an explanation of why
7461 you might want the -Wfloat-equal flag.
7463 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7465 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7466 * cppinit.c (new_pending_define): Add cast to avoid warning.
7467 * expmed.c (extract_bit_field): Likewise.
7468 * flow.c (enum reorder_skip_type): New type.
7469 (skip_insns_between_blcok): New it.
7470 Rework to avoid warning about possibly undefined variable.
7471 * function.c (assign_parms): Make thisparm_boundary unsigned.
7472 * genrecog.c (write_switch): Cast XWINT result to int.
7473 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7474 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7475 one for MIPS and one for Alpha.
7476 (get_tag, copy_object): Add casts to avoid warnings.
7477 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7478 * reload.c (find_reloads): Make TYPE enum reload_type.
7479 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7480 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7481 * varasm.c (compare_constant_1): Add cast to avoid warning.
7482 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7484 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7485 Cast switch operand of size to int.
7486 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7487 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7490 2000-02-18 Nick Clifton <nickc@cygnus.com>
7492 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7493 anything for an alignment of zero.
7495 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7496 anything for an alignment of zero.
7498 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7500 * gcc.texi (Bug Reporting): Refer to bugs.html.
7501 (Bug Lists): Likewise.
7502 * system.h (GCCBUGURL): New preprocessor define.
7503 * rtl.c (fancy_abort): Use it.
7504 * gcc.c (main): Likewise.
7506 2000-02-18 Richard Henderson <rth@cygnus.com>
7508 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7509 (life_analysis_1): Subsume into ...
7510 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7511 Use update_life_info for the relaxation.
7512 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7513 entry and regs_live_at_setjmp.
7514 (set_noop_p): Simplify.
7515 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7516 (record_volatile_insns): Split into ...
7517 (delete_noop_moves): ... here,
7518 (notice_stack_pointer_modification): ... here,
7519 (insn_dead_p): ... and here.
7520 (propagate_block): Don't query INSN_VOLATILE.
7521 (mark_used_regs): Mind !PROP_REG_INFO.
7522 * toplev.c (rest_of_compilation): Call mark_constant_function here,
7523 not in life_analysis.
7525 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
7527 * loop.c (canonicalize_condition): New function,
7528 broken out of get_condition.
7529 (get_condition): Use it.
7530 * expr.h (canonicalize_condition): Prototype it.
7532 * tree.h (tree_int_cst_msb): Declare.
7533 * tree.c (tree_int_cst_msb): New function.
7535 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7537 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
7540 * invoke.texi (-fmessage-length=n): Document.
7542 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
7544 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
7546 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7548 * function.c (thread_prologue_and_epilogue_insns): Put a line note
7551 2000-02-17 Nick Clifton <nickc@cygnus.com>
7553 * config/arm/thumb.c: Replace includes of system headers with
7554 #include "system.h".
7556 2000-02-16 Richard Henderson <rth@cygnus.com>
7558 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
7559 Add crtbeginS.o and crtendS.o.
7560 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
7561 (ENDFILE_SPEC): Use crtendS.o.
7562 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
7564 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
7565 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
7567 (__dso_handle): New variable.
7568 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
7569 bias to __CTOR_END__.
7571 2000-02-16 Richard Henderson <rth@cygnus.com>
7573 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
7575 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
7577 * longlong.h (__clz_tab): Declare as static to match definition.
7579 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
7580 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
7581 (XREF_FILE_NAME): Define.
7583 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
7584 (EH_FRAME_SECTION_ASM_OP): Define.
7585 (IDENT_ASM_OP): Define.
7586 (TEXT_SECTION_ASM_OP): Define.
7588 (CTORS_SECTION_ASM_OP): Define.
7589 (CTOR_SECTION_FUNCTION): Use it.
7590 (DTORS_SECTION_ASM_OP): Define.
7591 (DTOR_SECTION_FUNCTION): Use it.
7593 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
7595 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
7598 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
7599 debug_bb_n): New functions.
7600 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
7601 * basic-block.h: Prototype new functions.
7603 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
7605 * configure.in: Add support for avr target.
7606 * configure: Rebuilt.
7608 * invoke.texi: Add AVR invocation docs.
7609 * install.texi: Add information about AVR.
7610 * md.texi: Add AVR constraint letters description.
7611 * extend.texi: Add description for AVR specific attributes.
7613 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
7615 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
7617 2000-02-16 Nick Clifton <nickc@cygnus.com>
7619 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
7620 (make_insn_raw): Move RTL check here.
7622 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7624 * version.c: Include gansidecl.h and version.h.
7626 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
7628 * configure.in (gcc_version): When setting, narrow search to
7629 lines containing `version_string'.
7631 * Makefile.in (mainversion): Likewise.
7632 (GCC_H): New variable.
7633 (gcc.h): Delete target.
7634 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
7635 (version.o): Depend on version.h.
7636 (dbxout.o): Don't depend on gcc.h.
7638 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
7639 Michael Meissner <meissner@cygnus.com>
7641 * md.texi (Simple Constraints): Add item about whitespace.
7642 * genoutput.c (strip_whitespace): New.
7643 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
7644 strip_whitespace for constraints.
7645 Test pointer using NULL, not 0.
7647 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7649 * cpplib.c (do_line): Pedwarn for #line > 32767.
7651 * c-lex.c (readescape): Warn about '\x', but do not reject it.
7653 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
7655 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
7656 to default cpp spec.
7657 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
7658 * cpp.texi: Document __GNUC_PATCHLEVEL__.
7661 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
7664 2000-02-15 Denis Chertykov <denisc@overta.ru>
7666 * configure.in: Add support for avr target.
7668 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7670 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
7671 (sh_addr_diff_vec_mode): Don't declare.
7672 * sh.c (sh_addr_diff_vec_mode): Delete.
7674 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7676 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
7678 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7680 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
7681 (smulsi3_highpart_i): Name.
7682 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
7683 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
7684 (smulsi3_highpart, umulsi3_highpart): Likewise.
7686 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
7687 correctly independent of endianness.
7688 (mulsidi3, umulsidi3): Now define_insn. Hide details that
7689 confuse the optimizers.
7690 (mulsidi3+1, umulsidi3+1): New define_split.
7692 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
7694 * config/sh/sh.md: Guard insn splits against illegal registers.
7695 * config/sh/sh.h: Correct comment about macros.
7697 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7698 Andrew MacLeod <amacleod@cygnus.com>
7700 * Makefile.in (lcm.o): Depend on insn-attr.h.
7701 * basic-block.h (optimize_mode_switching): Declare.
7702 * lcm.c (tm_p.h, insn-attr.h): #include.
7703 (seginfo, bb_info): New structs.
7704 (antic, transp, comp, delete, insert) : New file-scope static variables.
7705 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
7706 (reg_becomes_live, optimize_mode_switching): Likewise.
7707 * tm.texi: Add description of mode switching macros.
7708 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
7710 * sh-protos.h (remove_dead_before_cse): Remove prototype.
7711 (fldi_ok, fpscr_set_from_mem): New prototypes.
7712 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
7713 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
7714 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7715 (sh_flag_remove_dead_before_cse): Remove declaration.
7716 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
7717 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
7718 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
7719 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7720 (barrier_align): Allow for JUMP_INSNS containing a parallel.
7721 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
7722 (fldi_ok): New function.
7723 (get_fpscr_rtx): Add fpscr_rtx as GC root.
7724 (emit_sf_insn): Only generate fpu switches when optimize < 1.
7725 (emit_df_insn): Likewise.
7726 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
7727 (sh_flag_remove_dead_before_cse): Delete.
7728 (get_free_reg, fpscr_set_from_mem): New functions.
7729 * sh.md (movdf, movsf): Remove no_new_pseudos code.
7730 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
7732 2000-02-15 Loren Rittle <ljrittle@acm.org>
7734 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
7736 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7738 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
7739 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
7741 * cccp.c: Include version.h and/or don't declare `version_string'.
7742 * collect2.c: Likewise.
7743 * alpha.c: Likewise.
7744 * arm/aof.h: Likewise.
7745 * arm/coff.h: Likewise.
7746 * arm/elf.h: Likewise.
7747 * arm/pe.h: Likewise.
7748 * arm/tcoff.h: Likewise.
7749 * arm/telf.h: Likewise.
7750 * arm/tpe.h: Likewise.
7751 * arm/vxarm.h: Likewise.
7752 * convex/convex.c: Likewise.
7753 * i386/dgux.c: Likewise.
7754 * i386/sun386.h: Likewise.
7755 * m88k/m88k.c: Likewise.
7756 * mcore/mcore-pe.h: Likewise.
7757 * mips/mips.h: Likewise.
7758 * romp/romp.h: Likewise.
7759 * sh/sh.c: Likewise.
7760 * cpphash.c: Likewise.
7761 * cppinit.c: Likewise.
7762 * dwarf2out.c: Likewise.
7763 * dwarfout.c: Likewise.
7766 * mips-tfile.c: Likewise.
7767 * protoize.c: Likewise.
7768 * toplev.c: Likewise.
7771 * version.c (version_string): Constify a char*.
7773 * version.h: New file.
7775 2000-02-14 Nick Clifton <nickc@cygnus.com>
7777 * configure.in: Add mcore-elf and mcore-pe targets.
7778 * configure: Regenerate.
7780 * NEWS: Add note that MCore port has been contributed.
7782 * invoke.texi: Document command line switches for MCore port.
7783 * install.texi: Add MCore to list of supported targets.
7785 2000-02-14 Geoff Keating <geoffk@cygnus.com>
7787 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
7788 then we will need to import the frame handling functions.
7789 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
7790 to import the frames themselves.
7792 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
7793 Jason Eckhardt <jle@cygnus.com>
7795 * basic_block.h: Added prototype for reorder_basic_blocks.
7796 * toplev.c: Changes to add -freorder-blocks and graph dump after
7797 block reordering is done.
7798 * flow.c (reorder_block_def): New structure for use during block
7800 (REORDER_BLOCK_*): New macros to access members of above structure.
7801 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
7802 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
7803 functions for block reordering.
7805 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
7807 * gcc.texi (Passes): Fix typo.
7808 * md.texi (Standard Names): Ditto.
7809 * tm.texi (Storage Layout): Ditto.
7811 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
7813 * cpplib.c (do_define): Only free the old definition if it
7816 2000-02-13 Neil Booth <NeilB@earthling.net>
7818 * cppfiles.c (read_and_prescan): When emitting deferred
7819 newlines, test speccase[] again instead of checking each
7820 possible whitespace character in turn. When we encounter \r,
7821 look behind for \n first, then ahead.
7823 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
7825 * cse.c (cse_altered): New internal flag.
7826 (cse_insn): Set it if we changed an insn.
7827 (cse_main): Clear cse_altered before each basic block.
7828 Only garbage collect if cse_altered is true afterward.
7830 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7832 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
7834 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
7836 * combine.c (simplify_comparison): Fix typo.
7838 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
7840 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
7843 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7845 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
7846 previously inserted node instead of root node. Caller changed.
7848 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7850 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
7852 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7854 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
7855 __dereg_frame_dtor): Add prototype argument.
7857 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
7859 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
7861 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
7863 * gthr-vxworks.h (__gthread_once): Likewise.
7865 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
7867 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
7869 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
7870 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
7871 stack pointer in functions w/o saved registers, output LEAVE more often
7872 on TARGET_USE_LEAVE machines.
7874 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
7876 * config/arm/arm.c (arm_init_cumulative_args); New function:
7877 Initlaise the CUMULATIE_ARGS strcuture for a function
7879 (arm_function_arg): New function: Determine where to place a
7880 function's argument. Also handles deciding the function's
7882 (current_file_function_operand): New function: Return true if
7883 the symbol is a function which has already been compiled.
7884 (arm_is_long_call_p): New function: Return true if the
7885 indicated function should be called via a long call.
7886 (arm_valid_type_attribute_p): New function: Return true if the
7887 attribute is a valid, arm specific, attribute.
7888 (arm_comp_type_attribute): New function: Return true if the
7889 two types have compatable, arm specific, attributes.
7891 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
7893 (FUNCTION_ARG): Redefine to call arm_function_arg.
7894 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
7896 (INIT_CUMULATIVE_ARGS): Redefine to call
7897 arm_init_cumulative_args.
7898 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
7900 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
7902 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
7904 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
7905 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
7906 (COMP_TYPE_ATTRIBUTES): Define.
7908 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
7909 if a long call is needed.
7910 (call_value): Call arm_is_long_call_p to decide if a long call
7912 (call_symbol): Call arm_is_long_call_p to decide if a long call
7915 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
7917 2000-02-11 Denis Chertykov <denisc@overta.ru>
7919 * README.AVR: New file with information about the avr ports.
7920 * config/avr: New directory with avr port files.
7922 2000-02-11 Andreas Jaeger <aj@suse.de>
7924 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
7926 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
7928 * cpphash.c: Fix formatting, update commentary.
7929 (dump_definition): Take three separate arguments instead of a
7930 MACRODEF structure argument.
7931 * cpphash.h: Update prototype of dump_definition.
7932 * cppinit.c (cpp_finish): Update call of dump_definition.
7934 * cpplib.c (do_define): Always create new hash entry with
7935 T_MACRO type. Remove redundant check for redefinition of
7936 poisoned identifier. Update call of dump_definition.
7937 (do_undef): Don't call check_macro_name. Rename sym_length to
7939 (do_error, do_warning): Don't use copy_rest_of_line or
7941 (do_warning): Don't use pedwarn for the actual warning,
7942 only the notice about its not being in the standard. (Fixes
7943 bug with #warning in system headers.)
7944 (do_ident): Stricter argument checking - accept only a single
7945 string after #ident. Also, macro-expand the line.
7946 (do_xifdef): Use cpp_defined. De-obfuscate.
7948 (do_pragma): Split out specific pragma handling to separate
7949 functions. Use get_directive_token. Update commentary. Do
7950 not pass on #pragma once or #pragma poison to the front end.
7951 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
7952 do_pragma_default): New.
7954 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
7956 * jump.c (jump_optimize_1): The first operand in a relational
7958 * optabs.c (emit_conditional_move): Handle relationals which
7959 have a known true/false result.
7961 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7963 * function.c (thread_prologue_and_epilogue_insns): Don't insert
7964 a RETURN insn into a block which already ends with a jump.
7966 2000-02-11 Geoff Keating <geoffk@cygnus.com>
7968 * haifa-sched.c (BUF_LEN): Increase a lot.
7970 2000-02-11 Nick Clifton <nickc@cygnus.com>
7972 * configure.in: Add tm_p_file specification for thumb targets.
7973 * configure: Regenerate.
7975 * config/arm/thumb-protos.h: New file: Prototypes for exported
7976 functions defined in thumb.c.
7978 2000-02-11 Robert Lipe <robertl@sco.com>
7980 * Makefile.in (bootstrap-lean): Remove additional files.
7981 (bootstrap2-lean): Likewise.
7982 (VOL_FILES): List of files for above.
7984 2000-02-11 Nathan Sidwell <nathan@acm.org>
7986 * cpphash.c (special_symbol): Remove spurious argument to
7989 2000-02-11 Joel Sherrill (joel@OARcorp.com>
7991 * configure.in: (i*86-*-rtems*): Swapped elf and coff
7993 * configure: Rebuilt.
7995 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
7997 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
7999 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8001 * pa.c, pa.h: Remove trigraph sequences within comments.
8003 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8005 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8007 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8009 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8011 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8013 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8015 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8017 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8018 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8019 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8020 (ASM_FILE_END): Use c4x_file_end.
8021 * config/c4x/c4x.c (c4x_global_label): New function.
8022 (c4x_external_ref, c4x_file_end): Likewise.
8024 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8025 (c4x_external_ref, c4x_end_file): Likewise.
8027 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8029 * cppexp.c: Don't include cpphash.h.
8030 (parse_charconst, cpp_lex): Use cpp_defined.
8031 (cpp_lex): Use get_directive_token throughout. Remove
8032 unnecessary cases from switch. Move assertion-handling code
8034 (cpp_parse_expr): If we see '+' or '-', check the context to
8035 determine if they are unary or binary operators. Streamline
8036 the jumps a bit. Do not call skip_rest_of_line.
8038 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8039 static. Export get_directive_token. Update commentary.
8040 (cpp_defined): New function.
8041 (do_define): Remove reference to T_PCSTRING. Call
8042 free_definition to release memory for old definition, when
8044 (eval_if_expression): Set only_seen_white to 0 before calling
8045 cpp_parse_expr. Call skip_rest_of_line after it returns.
8046 (cpp_read_check_assertion): Don't preserve a pointer into the
8047 token buffer across a call to cpp_get_token.
8049 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8050 * cppfiles.c (redundant_include_p): Use cpp_defined.
8051 * cpphash.c (free_definition): New function.
8052 (delete_macro): Use it. Update commentary.
8053 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8055 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8056 from enum node_type. Prototype cpp_defined and get_directive_token.
8057 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8059 * fix-header.c (check_macro_names): Use cpp_defined.
8060 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8061 the options structure.
8063 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8065 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8067 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8069 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8070 rather than die->die_tag.
8072 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8074 * combine.c (make_extraction, force_to_mode): Avoid warning on
8075 mixed-signedness conditionals.
8076 (make_field_assignment, nonzero_bits): Likewise.
8077 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8078 (store_split_bit_field, extract_split_bit_field): Likewise.
8079 (extract_fixed_bit_field, store_bit_field,
8080 * expr.c: Change alignment to be unsigned everywhere.
8081 (move_by_pieces, store_constructor_field, store_constructor):
8082 Alignment parm is unsigned.
8083 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8084 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8085 (do_compare_rtx_and_jump): Likewise.
8086 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8087 Compare align with GET_MODE_ALIGNMENT.
8088 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8089 (get_inner_reference): Likewise.
8090 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8091 (expand_assignment): Local vars for alignment now unsigned.
8092 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8093 (do_compare_and_jump): Likewise.
8094 (store_field): Call new function expr_align.
8095 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8096 Alignment arg now unsigned.
8097 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8098 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8099 (extract_bit_field): Likewise.
8100 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8101 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8102 (get_best_mode): Alignment arg is unsigned.
8103 * rtl.h (move_by_pieces): Likewise.
8104 * store-layout.c (maximum_field_alignment, set_alignment):
8106 (layout_decl): Alignment arg is now unsigned.
8107 Remove unneeded casts.
8108 (layout_record, layout_union, layout_type): Remove unneeded casts.
8109 Local alignment variables now unsigned.
8110 (get_best_mode): Alignment arg now unsigned.
8111 * tree.c (expr_align): New function.
8112 * tree.h (expr_align): Likewise.
8113 (maximum_field_alignment, set_alignment): Now unsigned.
8114 (get_inner_reference): Alignment argument is now pointer to unsigned.
8115 * varasm.c (assemble_variable): Add cast to eliminate warning.
8117 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8119 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8120 then store directly into op0.
8122 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8123 the CALL_INSN, and emit the note immediately after it.
8125 2000-02-10 Nick Clifton <nickc@cygnus.com>
8127 * config/arm/thumb.md (epilogue): Include a (return) in the
8128 generated insn, and emit it using emit_jump_insn not
8131 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8133 * function.c (assign_temp): Change zero-sized arrays to size 1.
8134 * integrate.c (expand_inline_function): Do not update
8135 stack_alignment_needed
8136 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8137 add some sanity checking, remove optimization for function with
8140 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8142 * flow.c (mark_regs_live_at_end): Delete unused variables.
8144 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8146 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8147 in macro FRAME_GROWS_DOWNWARD.
8149 * stmt.c (expand_end_bindings): Delete unused variable.
8151 * unroll.c (iteration_info): Mark parameter `loop' with
8154 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8156 * fixinc/server.c (load_data): Return NULL if the marker line is
8158 (run_shell): If load_data returns NULL, retry the command once, in
8161 * configure: Rebuilt.
8163 2000-02-09 Bruce Korb <bkorb@gnu.org>
8165 * gcc/fixincludes: ** DELETED **
8166 * gcc/fixcpp: ** DELETED **
8167 * gcc/fixinc-nt.sed: ** DELETED **
8168 * gcc/just-fixinc: ** DELETED **
8169 * gcc/Makefile.in: Removed out-dated commentary
8170 * gcc/configure.in: Removed fast-fixincludes disablement.
8171 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8173 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8174 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8177 2000-02-09 Richard Henderson <rth@cygnus.com>
8179 * jump.c (delete_insn): Don't delete user labels at -O0.
8181 2000-02-09 Robert Lipe <robertl@sco.com>
8183 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8184 Don't link with HOST_LIBS.
8186 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8188 * configure.in: Correct --help text for --with-dwarf2.
8189 Put tm-dwarf2.h after other tm files, if it's requested.
8190 * configure: Regenerate.
8191 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8194 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8196 * cpplib.h: Provide HASHNODE typedef and forward decl of
8197 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8198 DEFINITION, struct hashnode, struct macrodef, struct
8199 definition, scan_decls prototype, default defn of
8200 INCLUDE_LEN_FUDGE moved elsewhere.
8202 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8203 definition, and struct hashnode moved here. Remove the unused
8204 'predefined' field from struct definition. Replace the 'args'
8205 union with its sole member. All users updated (cpphash.c).
8206 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8207 multiple include guard.
8209 * cpphash.c (hashf): Make static; use better algorithm; drop
8210 HASHSIZE parameter; return an unsigned int.
8211 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8212 used. Calculate HASHSIZE modulus here.
8213 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8215 (create_definition): Drop PREDEFINITION parameter.
8216 * cpplib.c (do_define): Don't calculate a hash value here.
8217 Don't pass (keyword == NULL) to create_definition.
8219 * scan.h: Prototype scan_decls here.
8220 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8221 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8222 callers of cpp_lookup and cpp_install updated.
8224 * cpphash.c (macarg): Hoist all the flag diddling out of the
8226 (macroexpand): ... and out of the loop that calls macarg.
8227 Skip over the initial paren before macro arguments with
8228 cpp_get_non_space_token; point may be some distance before
8229 that paren. Abort if it's not there.
8231 * cpplib.c (parse_clear_mark): Delete function.
8232 (parse_set_mark, parse_goto_mark): Make static.
8233 (ACTIVE_MARK_P): New macro.
8234 (skip_block_comment, skip_line_comment): Do not bump the line
8235 if ACTIVE_MARK_P is true.
8236 (cpp_pop_buffer): The buffer to be popped may not have an
8238 (cpp_get_token): When looking for the initial paren before
8239 macro arguments, only set a mark in a file buffer, Always
8240 return to that mark before proceeding to call macroexpand or
8241 return a NAME token.
8243 * cpplib.h: Remove prototypes of parse_set_mark,
8244 parse_clear_mark, parse_goto_mark.
8245 (struct cpp_options): Rename 'put_out_comments' to
8246 'discard_comments' and invert its sense.
8247 * cppinit.c, cpphash.c, cpplib.c: All users of
8248 put_out_comments changed to use discard_comments, with
8251 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8253 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8254 the edge from a block that both jumps and falls through to the
8257 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8259 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8260 constant source address is legitimate.
8262 2000-02-09 Philip Blundell <pb@futuretv.com>
8264 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8267 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8269 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8271 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8273 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8274 ends with a newline and a NUL. Don't be so clever manipulating
8277 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8279 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8280 not to BIGGEST_ALIGNMENT.
8282 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8284 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8285 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8286 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8287 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8288 * frame.c (execute_cfa_insn): Handle
8289 DW_CFA_GNU_negative_offset_extended.
8291 2000-02-08 Richard Henderson <rth@cygnus.com>
8293 * flow.c (tidy_fallthru_edges): Split out from ...
8294 (delete_unreachable_blocks): ... here.
8295 (find_basic_blocks): Use it.
8297 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8299 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8301 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8303 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8304 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8305 (fix-header.o): Don't depend on cpphash.h.
8307 * scan.c (hashstr): New function.
8308 * scan.h: Prototype it.
8309 * fix-header.c: Don't include cpphash.h. Use hashstr.
8310 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8311 hashstr. Report hash table statistics. Add private
8312 definition of xrealloc.
8314 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8316 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8318 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8320 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8321 jumps with returns unless they are jumps to the fallthru block.
8323 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8325 * i386.md (addqi3_cc): Fix contraints.
8327 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8329 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8331 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8333 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8334 carriage return after a macro name.
8336 2000-02-07 Fred Fish <fnf@be.com>
8338 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8339 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8341 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8343 * cppfiles.c (deps_output): Count spacers in deps_column.
8345 2000-02-07 Neil Booth <NeilB@earthling.net>
8347 * cppinit.c (initialize_dependency_output): If there is no
8348 suffix, don't try to look for known suffixes. Use strrchr.
8349 (cpp_start_read): Remove duplicate initialization.
8351 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8353 * calls.c (compute_argument_block_size): New argument
8354 preferred_stack_boundary.
8355 (expand_call): update cfun->preferred_stack_boundary, update call of
8356 compute_argument_block_size
8357 (emit_library_call): Increate cfun->preferred_stack_boundary
8358 to PREFERRED_STACK_BOUNDARY
8359 (emit_library_call_value): Likewise.
8360 * explow.c (allocate_dynamic_stack_spave): Likewise.
8361 * function.c (prepare_function_start): Set
8362 cfun->preferred_stack_boundary
8363 * function.h (struct function): Add preferred_stack_boundary field.
8364 * integrate.c (expand_inline_function): Update
8365 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8366 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8367 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8369 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8371 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8372 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8373 cpp_pedwarn, cpp_pedwarn_with_line,
8374 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8375 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8376 v_cpp_error_with_line, v_cpp_warning_with_line,
8377 cpp_message_from_errno, cpp_perror_with_name): Delete.
8379 * cpperror.c (cpp_print_containing_files): Take starting
8381 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8382 (v_cpp_message): Now called directly by all entry points.
8384 (cpp_pfatal_with_name, cpp_message): Delete.
8385 (cpp_notice_from_errno, cpp_ice): New functions.
8386 (cpp_notice): Is now for reporting error conditions, just
8387 without an associated file.
8388 (cpp_error, cpp_error_with_line): Don't do anything if
8389 opts->inhibit_errors is on.
8390 (cpp_pedwarn_with_file_and_line): Take column argument also.
8392 * cpplib.h: Update prototypes of exported functions.
8393 (struct cpp_options): Add inhibit_errors.
8395 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8396 non-error messages. Include intl.h.
8398 * cppinit.c, cppmain.c: Likewise. Also, use
8399 cpp_notice_from_errno instead of cpp_perror_with_name or
8400 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8402 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8403 report internal errors.
8405 * cpplib.c (do_define): Switch bcopy to memcpy.
8406 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8408 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8409 bail out early if we hit a line comment.
8411 2000-02-06 Richard Henderson <rth@cygnus.com>
8413 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8414 * basic-block.h: Declare them.
8415 * emit-rtl.h (active_insn_p): New.
8416 (next_active_insn, prev_active_insn): Use it.
8417 * rtl.h: Declare it.
8418 * function.c (emit_return_into_block): New.
8419 (thread_prologue_and_epilogue_insns): Insert return insns instead
8420 of epilogues when possible.
8421 * jump.c (jump_optimize_1): Remove code to insert a return insn
8422 on the fallthru to the exit block.
8424 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8425 and for non-empty stack frames.
8426 * i386.md (return): Expand to return-pop as needed.
8428 2000-02-06 Richard Henderson <rth@cygnus.com>
8430 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8431 constant to op1 for testing.
8433 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8435 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8436 (fixuns_truncqfqi2): Use it.
8438 2000-02-06 Richard Henderson <rth@cygnus.com>
8440 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8443 * i386.md (widening and peepholes): Mask the constant instead of
8446 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8448 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8449 input pointer before possibly branching off to the backslash
8451 * cpphash.c (macroexpand): Correctly delete \r escapes when
8452 stringifying parameters.
8453 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8454 if we can; bail out early if we hit a line comment.
8455 (handle_directive): Treat '# 123' in an .S file just like
8456 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8457 Return 1 for '# not_a_directive'.
8458 (get_directive_token): Pop macro buffers here, so that
8459 cpp_get_token can't sneakily move past a newline.
8461 (cpp_get_token): goto randomchar if handle_directive returns 0.
8463 * cppalloc.c: Update copyright.
8464 * cpplib.c: Merge all the static function prototypes into one
8466 * cpplib.h: Remove #if 0 block.
8468 * cpperror.c: Remove #ifdef EMACS block.
8469 * cppmain.c: Likewise.
8470 * cpphash.c: Remove #if 0 blocks.
8471 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8472 * cpplib.c: Remove #if 0 blocks and code referencing
8473 pcp_inside_if or for_lint. Remove duplicate error message.
8474 Fix error messages for #else after #else or #elif. Reformat.
8475 Remove archaic TODO list.
8476 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8478 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8480 * i386/osf1elf.h: Add missing backslash to multiline string.
8482 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8484 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8486 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8488 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8490 * c-common.c: Include expr.h.
8492 * c-pragma.c (mark_align_stack): Add prototype.
8494 * caller-save.c (add_stored_regs): Likewise.
8496 * combine.c (record_promoted_value): Likewise.
8498 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8501 * cppinit.c (new_pending_define): Likewise.
8503 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8505 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8506 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8507 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8508 class_scope_p): Likewise.
8510 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8511 dwarf2out_add_library_unit_info): Likewise.
8513 * ggc.h (ggc_page_print_statistics): Likewise.
8515 * haifa-sched.c (propagate_deps): Likewise.
8517 * reg-stack.c (next_flags_user, record_label_references): Likewise.
8519 * rtl.h (set_stack_check_libfunc): Likewise.
8521 * toplev.h (set_fatal_function): Likewise.
8523 * toplev.c (set_fatal_function): Delete prototype.
8525 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
8527 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8529 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
8530 (FUNC_END): Likewise.
8532 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8534 * caller-save.c: Include tm_p.h.
8536 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8538 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
8540 2000-02-04 Neil Booth <NeilB@earthling.net>
8542 * cccp.c (main): Check 'dir' for a NULL pointer before passing
8545 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
8547 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
8548 * genflags.c: Use the max_operand_1 logic from genemit.c to
8549 calculate how many arguments gen_insn prototypes have. Remove
8550 NO_MD_PROTOTYPES ifdefs from the generated file.
8551 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
8552 file. Cast gen_insn initializers to insn_gen_fn.
8553 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
8554 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
8556 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8558 * fixinc/Makefile.in (HDR): Add machname.h.
8561 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8563 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
8564 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
8565 (c4x_cpu_version): Ditto.
8566 * config/c4x/c4x-protos.h: ... here.
8568 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
8570 * dwarf2out.c (add_abstract_origin_attribute): Don't call
8571 gen_abstract_function on our context if we're a nested function.
8573 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8575 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
8576 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
8578 2000-02-04 Bruce Korb <bkorb@gnu.org>
8580 * fixinc/genfixes(machname.h):
8581 Move the functionality from gen-machine.h into this file.
8582 UNdef MN_NAME_PAT if there are no names to change.
8583 Also, be a little kinder when AutoGen is not present.
8585 * fixinc/Makefile.in(machname.h):
8586 Change the generation rule to use genfixes.
8588 * fixinc/fixfixes.c(machine_name):
8589 machine_name_fix's functionality now dependent upon whether
8590 MN_NAME_PAT is defined.
8592 * fixinc/fixtests.c(machine_name):
8595 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
8598 * fixinc/fixlib.h(mn_get_regexps):
8601 * fixinc/gen-machine.h: DELETED
8603 2000-02-04 Jan Hubicka <jh@suse.cz>
8604 Richard Henderson <rth@cygnus.com>
8606 * i386.c (SAVE_REGS_FIRST): Remove.
8607 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
8608 (ix86_compute_frame_size): Likewise.
8609 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
8610 (ix86_emit_restore_regs): Remove.
8611 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
8612 when a frame pointer is in use.
8613 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
8614 instead of pop to restore a register when profitable; emit leave
8616 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
8618 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
8619 * i386.md (prologue_allocate_stack): Remove.
8620 (epilogue_deallocate_stack): Remove.
8621 (pro_epilogue_adjust_stack): New.
8623 2000-02-04 Richard Henderson <rth@cygnus.com>
8625 * function.c (diddle_return_value): Rework to use a callback function.
8626 Use current_function_return_rtx if it's been set up.
8627 (do_clobber_return_reg, clobber_return_register): New.
8628 (do_use_return_reg, use_return_register): New.
8629 (expand_function_end): Use them.
8630 * stmt.c (expand_null_return): Likewise.
8631 * function.h: Declare them.
8632 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
8633 (mark_reg): Change arguments as appropriate for callback.
8634 * integrate.c (expand_inline_function): Revert 19 Jan change.
8636 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
8638 * tm.texi (Values in Registers): Fix typo: "fo" "for".
8639 (Misc): Say the scheduler, not the Haifa scheduler.
8641 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
8643 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
8644 when in_mem is set. Update all callers.
8646 2000-02-04 Richard Henderson <rth@cygnus.com>
8648 * i386/openbsd.h (INT_ASM_OP): Define.
8650 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
8652 * tm.texi: Fix various typos.
8654 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
8656 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
8657 (MD_STARTFILE_PREFIX_1): New macro.
8659 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
8661 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
8662 destination when needed.
8663 (strmovsi, strsetsi): New expander.
8664 (strmovsi_1, strsetsi_1): New pattern.
8665 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
8666 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
8667 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
8668 * invoke.texi (align-stringops, inline-all-stringops): Document.
8670 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
8672 * i386/netbsd.h (INT_ASM_OP): Define.
8674 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
8676 * cpplib.h (cpp_reader): Add new flag, no_directives.
8677 * cpphash.c (macarg): Set it.
8678 * cpplib.c (handle_directive): If no_directives is on and we
8679 find a directive, issue an error and discard the line.
8681 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
8683 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
8684 FP constants. Add ! TARGET_FPU check for FP constants.
8686 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
8688 * flow.c (find_basic_blocks): Don't kill label_value_list
8690 (cleanup_cfg): Kill it here.
8692 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8694 * expr.c (store_field): Ensure ALIGN is no stricter than the
8697 2000-02-02 Richard Henderson <rth@cygnus.com>
8699 * jump.c (delete_insn): Partially revert 19 Jan change;
8700 don't convert unused code labels to notes at -O0.
8702 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8704 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
8705 split_all_insns to recreate REG_LABEL notes for flow2 pass.
8707 2000-02-01 Richard Henderson <rth@cygnus.com>
8709 * i386.c (general_no_elim_operand): New.
8710 (nonmemory_no_elim_operand): New.
8711 (ix86_expand_move): Copy eliminable operands before a push.
8712 * i386-protos.h: Declare new functions.
8713 * i386.h (CAN_ELIMINATE): Simplify.
8714 (PREDICATE_CODES): Update.
8715 * i386.md (push insns): Don't allow eliminable register operands.
8717 2000-02-01 Richard Henderson <rth@cygnus.com>
8719 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
8720 replace BLKmode with DECL_RTL's mode.
8722 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
8724 * frame.c (find_fde): Convert for loop to do-while so compiler
8725 sees it's always executed at least once.
8726 * libgcc2.c (BBINBUFSIZE): Kill.
8727 (__bb_init_prg): Use fgets.
8728 (__bb_exit_trace_func): Don't paste strings.
8729 * unroll.c (unroll_loop): Initialize unroll_type, not
8730 unroll_number, and tweak logic to match.
8732 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
8734 (ix86_flags_dependant): Likewise. Disentangle control flow.
8735 (ix86_sched_reorder): Break guts out to
8736 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
8737 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
8740 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
8741 use string concatenation. Don't save and restore esi.
8743 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
8744 (machname.h): Remove script to separate file. Use two-step
8745 sequence so target is not created if script fails.
8746 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
8747 identifiers are defined.
8748 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
8749 an empty string, machine_name doesn't need to do anything at
8751 (is_cxx_header): Add more cases to regexp.
8752 * fixinc/fixlib.h: Update prototype.
8753 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
8755 * fixinc/fixincl.c: Define NO_BOGOSITY.
8757 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
8758 (hp_sysfile): Add missing comma.
8759 (math_exception): Put the wrapper ifdefs at the beginning and
8760 the end of the file.
8761 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
8763 2000-02-01 Richard Henderson <rth@cygnus.com>
8765 * sparc.c (fp_zero_operand): Turn into a normal predicate.
8766 Use CONST0_RTX. Update all callers.
8767 * sparc.h, sparc-protos.h: Update accordingly.
8768 * sparc.md (fp mov insns): Use fp_zero_operand directly
8771 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8773 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
8776 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8778 * Makefile.in (specs.ready): New target.
8779 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
8781 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8783 * fixinc.irix: Use unique filenames for writing into /tmp,
8784 * fixinc.ptx: Likewise.
8785 * fixinc.sco: Likewise.
8786 * fixinc.svr4: Likewise.
8787 * fixinc.winnt: Likewise.
8789 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8791 * tsystem.h: New file.
8793 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
8794 s-crtS): Depend on tsystem.h.
8796 * crtstuff.c: Include tsystem.h.
8797 * frame.c: Likewise.
8798 * libgcc2.c: Likewise.
8800 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
8802 * builtins.c (expand_builtin_memset): Expand for variable sized
8805 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
8807 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
8810 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
8812 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
8814 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
8816 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
8818 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
8819 case 3->2 combining (combining with splitting) in which 2 is CC0
8820 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
8821 checked at the begining of the function with the aid of calling
8822 function 'can_combine_p'.
8824 2000-01-31 Dave Brolley <brolley@redhat.com>
8826 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
8828 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
8830 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
8833 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8835 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
8837 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
8840 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
8842 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
8843 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
8844 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
8845 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
8846 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
8847 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
8848 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
8849 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
8850 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
8851 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
8853 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
8854 Add %(cpp_cpu) to CPP_SPEC.
8856 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
8857 Add %(cc1_cpu) to CC1_SPEC.
8859 2000-01-28 Ulrich Drepper <drepper@redhat.com>
8861 * c-decl.c (c_decode_option): Accept optional numeric argument to
8862 -Wformat and set warn_format.
8863 * c-common.c: Don't emit warning about non-constant printf format
8864 string unless warn_format > 1.
8866 2000-01-30 Richard Henderson <rth@cygnus.com>
8868 * alpha.md (return_internal): Allow after reload only.
8870 2000-01-30 Richard Henderson <rth@cygnus.com>
8872 * i386.c (ix86_compute_frame_size): Omit padding1 if the
8873 local frame size is zero.
8875 2000-01-30 Richard Henderson <rth@cygnus.com>
8877 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
8878 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
8879 * alpha.md (return): Turn into an expander.
8880 (return_internal): Don't use $26.
8881 (epilogue): Emit the return insn.
8883 2000-01-30 Richard Henderson <rth@cygnus.com>
8885 * alpha.md (negtf2, abstf2): Fix word order thinko.
8887 (trunctfsf2): Avoid intermediate rounding errors.
8889 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
8891 * cppfiles.c (find_position): Drop 'colp' argument, return the
8893 (read_and_prescan): Adjust to match. Don't ever manipulate
8894 line or line_base except via find_position.
8896 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
8898 * c-parse.in: Apply Ulrich's changes from c-parse.y.
8899 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
8902 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
8904 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
8905 just print "<command line>". If 'filename' is null or an
8906 empty string, print "<stdin>" for the filename.
8907 * cpplib.c (do_define): Don't print the 'location of the
8908 previous definition' message if we're still parsing the
8910 (cpp_pedwarn_with_file_and_line): Always call
8911 cpp_file_line_for_message.
8913 2000-01-29 Mark Mitchell <mark@codesourcery.com>
8915 * flow.c (mark_regs_live_at_end): Fix typo.
8917 2000-01-28 Ulrich Drepper <drepper@redhat.com>
8919 * c-common.c: Adjust variable names, comments, help strings to c99.
8920 * c-lex.c: Likewise.
8921 * c-parse.y: Likewise.
8922 * c-tree.h: Likewise.
8924 * cpplib.h: Likewise.
8925 * c-decl.c: Likewise. Recognize options with names "*99" as well.
8926 * cppinit.c: Likewise.
8928 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8930 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
8931 * c4x.c: Define the optab rtx values.
8932 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
8933 (c4x_emit_libcall): Use new optab rtx values.
8934 (c4x_emit_libcall3): Likewise.
8935 (c4x_emit_libcall_mulhi): Likewise.
8936 * c4x-protos.h: Add prototypes for optab rtx values and change
8937 prototypes for above c4x_emit_libcall functions.
8939 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8941 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
8943 (c4x_function_prologue): Use regnames intead of float_reg_names when
8945 (c4x_function_epilogue): Likewise.
8946 (c4x_print_operand): Likewise.
8947 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
8948 * c4x.md (set_high): Disable for TARGET_TI.
8950 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8952 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
8953 of framepointer + constant to ADDR_REGS class.
8954 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
8955 * c4x.c (std_or_reg_operand): New function.
8956 * c4x-protos.h (std_or_reg_operand): Prototype it.
8958 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8960 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
8961 object names as libgcc2.c.
8962 * libgcc.S: Use newly defined names.
8964 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
8965 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
8967 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
8968 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
8969 (FLOW_LOOP_LAST_BLOCK): Likewise.
8971 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8973 * basic-block.h (struct loop): New fields 'first' and 'last'.
8974 * flow.c (flow_loops_find): Compute loop->first and loop->last.
8975 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
8976 and loop->last to check for NOTE_INSN_LOOP_END.
8978 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
8980 * predict.c (estimate_probability): Use the new FIRST and LAST fields
8981 of the loop descriptor rather than HEADER and LATCH. Also added
8982 missing break statements as well making some coding style modifications
8983 as suggested by Michael Hayes.
8985 2000-01-28 Richard Henderson <rth@cygnus.com>
8987 * flow.c (find_basic_blocks): Remove do_cleanup argument.
8988 Break out that code ...
8989 (cleanup_cfg): ... here.
8990 (commit_one_edge_insertion): Detect a return instruction being
8991 emitted to an edge. Emit a barrier following; clear fallthru.
8992 (commit_edge_insertions): Verify CFG consistency.
8993 * function.c (expand_function_start): Kill unused variable.
8994 (expand_function_end): Likewise.
8995 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
8996 to insert the epilogue.
8998 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
8999 (delete_null_pointer_checks): Likewise.
9000 * output.h: Likewise.
9001 * reg-stack.c (reg_to_stack): Likewise.
9002 * toplev.c (rest_of_compilation): Likewise. Run
9003 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9005 2000-01-28 Richard Henderson <rth@cygnus.com>
9007 * Makefile.in (flow.o): Revert 24 Jan change.
9008 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9009 FUNCTION_VALUE result to DECL_RESULT's mode.
9011 * haifa-sched.c (schedule_insns): Don't recompute reg info
9014 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9016 * configure.in: Make --enable-cpplib the default.
9017 * configure: Regenerate.
9018 * gcc.dg/990119-1.c: No longer expected to fail.
9020 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9022 * jump.c (jump_optimize_1): Delete an optimization that is also done
9023 by merge_blocks in flow.
9025 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9027 * diagnostic.c (build_message_string, output_printf,
9028 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9029 (build_location_prefix): Fix non-literal format string.
9031 2000-01-27 Richard Henderson <rth@cygnus.com>
9033 * alpha.md (trunctfsf2): New.
9035 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9037 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9039 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9041 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9043 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9045 (skip_comment) ... here. Permit C++ comments in system
9046 headers always. Warn about C++ comments in user code under
9047 -std=gnu89 -pedantic.
9048 (copy_comment): Use skip_comment.
9049 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9051 (consider_directive_while_skipping, do_else, do_endif): Call
9052 validate_else unconditionally.
9053 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9054 text after the conditional in a system header.
9055 * cpplib.h (struct cpp_buffer): Add flag
9056 warned_cplusplus_comments.
9058 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9060 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9061 Use unshare_all_rtl_1.
9062 (unshare_all_rtl_again): New function.
9063 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9065 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9066 rather than resetting the 'used' flags ourself.
9068 * toplev.c (rest_of_compilation): Add current_function_decl
9069 to the unshare_all_rtl call.
9070 * tree.h: Prototype unshare_all_rtl.
9071 * rtl.h: Prototype unshare_all_rtl_again here.
9073 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9075 * genoutput.c (output_prologue): Include ggc.h in generated
9077 * Makefile.in (insn-output.o): Depends on ggc.h.
9079 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9080 Hans-Peter Nilsson <hp@bitrange.com>
9082 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9083 Remove redundant include of xm-ns32k.h.
9084 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9085 Remove redundant include of xm-ns32k.h.
9086 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9087 Remove redundant include of xm-ns32k.h.
9088 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9090 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9091 (TARGET_SWITCHES): Add documentation strings.
9092 (DWARF_FRAME_REGNUM): Override default definition.
9093 (REG_CLASS_CONTENTS): Add comments.
9094 (SUBSET_P): Format to reduce line length.
9095 (SMALL_REGISTER_CLASSES): Make a run time option.
9096 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9097 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9098 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9099 (regclass_map): fix typo in comment.
9100 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9101 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9102 (trace, reg_or_mem_operand): Delete, unused function.
9103 (calc_address_cost): Small offsets are cheaper than large ones.
9104 (expand_block_move): Generate more efficient code when bytes is a
9105 known at compile time.
9106 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9107 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9108 instead of reg_or_mem_operand.
9110 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9111 not general_operand. Similarly use "=rm" or stricter, not "=g".
9112 For input operands, use stricter constraints than "g" if not
9113 general_operand. Similarly use stricter predicate than
9114 "general_operand" when stricter constraints than "g" are present,
9115 except for matching constraints.
9116 (movstrsi): Use "memory_operand" for operands 0 and 1.
9117 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9118 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9119 not reg_or_mem_operand.
9120 (udivmoddisi4): Ditto.
9121 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9122 Use nonimmediate_operand for operand 3, not register_operand.
9123 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9126 2000-01-27 Fred Fish <fnf@be.com>
9128 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9129 * gthr-single.h: Likewise.
9130 * gthr-solaris.h: Likewise.
9131 * gthr-vxworks.h: Likewise.
9132 * gthr-win32.h: Likewise.
9135 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9137 * cppinit.c: Add " (cpplib)" to end of string printed by
9140 2000-01-27 Richard Henderson <rth@cygnus.com>
9142 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9143 testing for a signed comparison.
9144 (alpha_emit_floatuns): New.
9145 * alpha-protos.h: Declare it.
9146 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9147 (extendsfdf2): Tidy.
9149 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9151 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9152 no -g option specifying debugging format, default to -gstabs+.
9154 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9156 * calls.c (special_function_p): New argument fork_or_exec.
9157 (expand_call): When profile_arc_flag is set and the function
9158 is in the fork_or_exec group, call __bb_fork_func first.
9159 * libgcc2.c, _bb module (__bb_fork_func): New function.
9160 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9162 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9163 * tree.h (special_function_p): Update prototype.
9165 2000-01-26 Richard Henderson <rth@cygnus.com>
9167 * alpha.c (alpha_split_tfmode_pair): New.
9168 * alpha-protos.h: Declare it.
9169 * alpha.md (abstf2, negtf2): New.
9170 (movtf insn): Add input G constraint.
9171 (movtf splitter): Use alpha_split_tfmode_pair.
9173 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9175 * i386/cygwin.h: PROTO -> PARAMS.
9177 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9179 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9180 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9181 using _Qp_cmp/_Q_cmp and testing the return value.
9182 (print_operand): Call reverse_condition_maybe_unordered if
9183 we are handling CCFPmode or CCFPEmode.
9184 Handle ORDERED, UN* and LTGT comparisons.
9185 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9186 if not TARGET_HARD_QUAD.
9187 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9188 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9189 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9190 Adjust gen_b* calls so that they reflect return comparison of
9191 sparc_emit_float_lib_cmp.
9193 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9195 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9196 incoming operands array is large enough for one more operand.
9197 (alpha_emit_xfloating_arith): Likewise.
9199 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9201 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9202 file with one line and no trailing newline.
9203 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9204 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9205 checking if the match is on the line.
9206 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9208 2000-01-25 Richard Henderson <rth@cygnus.com>
9210 * sparc.c (output_cbranch): Fix accidental squashing of the
9211 fp branch pre-delay nop.
9213 2000-01-25 Richard Henderson <rth@cygnus.com>
9215 * tree.def (UNNE_EXPR): Remove.
9216 * c-typeck.c (build_binary_op): Don't handle it.
9217 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9219 * rtl.def (UNNE): Remove.
9221 * jump.c (reverse_condition): Update accordingly.
9222 (swap_condition): Likewise.
9223 (comparison_dominates_p): Handle unordered comparisons.
9224 (reverse_condition_maybe_unordered): New.
9225 * rtl.h (reverse_condition_maybe_unordered): Declare.
9227 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9228 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9229 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9230 * sparc.md (bltgt): New.
9232 2000-01-25 Nick Clifton <nickc@redhat.com>
9234 * emit-rtl.c (emit_insn): Only check machine class insns for
9235 improper emission of a RETURN.
9237 2000-01-25 Richard Henderson <rth@cygnus.com>
9239 * Makefile.in (flow.o): Depend on $(EXPR_H).
9240 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9241 duplicate the structure of diddle_return_value for keeping regs live.
9243 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9245 * loop.c (current_loop_info): Delete.
9246 (consec_sets_invariant_p): Add loop argument, update callers.
9247 (get_condition_for_loop): Likewise.
9248 (count_nonfixed_reads, update_giv_derive): Likewise.
9249 (simplify_giv_expr, general_induction_var): Likewise.
9250 (consec_sets_giv, recombine_givs): Likewise.
9251 (move_movables): Delete loop_start and loop_end arguments,
9252 add loop argument, and update callers.
9253 (find_mem_givs, check_final_value): Likewise.
9254 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9255 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9257 (basic_induction_var): Add loop argument, delete loop_level argument,
9259 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9260 add loop argument, and update callers.
9261 (find_splittable_regs, find_splittable_givs): Likewise.
9262 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9263 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9264 (biv_total_increment): Delete loop_start and loop_end arguments;
9266 (precondition_loop_p): Delete loop_start and loop_info arguments;
9268 * loop.h (get_condition_for_loop): Add loop argument.
9269 (biv_total_increment): Delete loop_start and loop_end arguments.
9270 (precondition_loop_p): Delete loop_start and loop_info arguments;
9272 (final_biv_value): Delete loop_start and loop_end arguments;
9274 (final_giv_value, back_branch_in_range_p): Likewise.
9276 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9278 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9280 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9282 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9283 point to the new "generated_files" doc.
9285 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9287 * config/fp-bit.c (_unord_f2): Fix typo.
9289 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9291 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9292 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9293 functions obsoleted by GC, such as push_obstacks_nochange,
9294 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9295 and code which existed only to decide whether or not to call
9296 them. Remove now-unused NESTED argument from start_function;
9297 all callers changed. Do not change behavior based on ggc_p.
9298 The use of the ixp_obstack in c-iterate.c and the util_obstack
9299 in objc/objc-act.c remain; these are not obsoleted by garbage
9301 * c-tree.h: Update prototype for start_function.
9303 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9305 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9307 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9310 2000-01-25 Richard Henderson <rth@cygnus.com>
9312 * sparc-protos.h (select_cc_mode): Declare.
9313 * sparc.c (select_cc_mode): New. Handle unordered compares.
9314 (output_cbranch): Always reverse via code change. Handle
9315 unordered compares. Factor tests and string updates.
9316 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9317 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9318 * sparc.md (bunordered, bordered): New.
9319 (bungt, bunlt, buneq, bunge, bunle): New.
9321 2000-01-25 Richard Henderson <rth@cygnus.com>
9323 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9324 * ggc-common.c (ggc_add_rtx_varray_root): New.
9325 (ggc_mark_rtx_varray): New.
9326 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9327 functions down below ggc_mark_foo.
9328 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9330 2000-01-25 Richard Henderson <rth@cygnus.com>
9332 * alpha.c (secondary_reload_class): Don't allocate a secondary
9333 for integral mode memories into FLOAT_REGS. Rearrange the more
9334 complicated memory expression inward.
9336 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9338 * inclhack.def: Fixes to play nicer with FreeBSD, and
9339 corrections to comments.
9340 (cxx_unready): Add select expression.
9341 (irix_sockaddr): Add bypass expression.
9342 (machine_ansi_h_va_list): New fix.
9343 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9344 Split out addition of "#include <stdarg.h>" to...
9345 (stdio_stdarg_h): ... here.
9346 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9347 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9348 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9350 (ultrix_ifdef): Tighten up select expression.
9352 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9353 re_ct and max_mach to avoid use of shell. Make printed names
9354 match names in inclhack.def. Use static copyright date.
9355 Don't count c_test and test expressions as requiring regex_t
9356 slots. Add some commentary.
9357 * inclhack.tpl: Do not include the 'This script contains N
9358 fixup scripts' line if PROGRAM is defined. Use static
9361 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9363 * dwarf2out.c: include "varray.h", not dyn-string.h.
9364 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9365 (addr_const_to_string, addr_to_string): Lose.
9366 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9367 (struct dw_val_struct): val_addr is now an rtx.
9368 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9369 (used_rtx_varray): New varray.
9370 (dwarf2out_init): Initialize it.
9372 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9374 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9375 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9376 * Makefile.in (dwarf2out.o): Update dependencies.
9378 2000-01-24 Richard Henderson <rth@cygnus.com>
9380 * i386.c (i386_dwarf_output_addr_const): New.
9381 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9383 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9385 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9386 * i386.c (i386_simplify_dwarf_addr): New.
9387 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9389 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9391 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9392 TYPE_STUB_DECL is NULL.
9394 2000-01-24 Richard Henderson <rth@cygnus.com>
9396 * builtins.c (expand_tree_builtin): Move ...
9397 * c-common.c (expand_tree_builtin): ... here.
9399 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9401 * loop.h (LOOP_INFO): New accessor macro.
9402 * basic-block.h (struct loop): Rename field `info' to `aux'.
9403 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9404 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9405 * unroll.c (loop_iterations, unroll_loop): Likewise.
9407 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9409 * config/i386/t-cygwin: Accomodate new winsup directory layout
9410 when searching for include files.
9412 2000-01-24 Richard Henderson <rth@cygnus.com>
9414 * rtl.def: Add unordered fp comparisions.
9415 * tree.def: Likewise.
9416 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9418 * builtins.c (expand_tree_builtin): New function.
9419 * c-typeck.c (build_function_call): Use it.
9420 (build_binary_op): Support unordered compares.
9421 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9423 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9424 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9425 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9426 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9427 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9429 (swap_condition): Handle unordered compares.
9430 (thread_jumps): Check can_reverse before reversing.
9431 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9434 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9435 setcc is present before acking for cmp_optab. Update all callers.
9436 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9437 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9438 * expr.c (expand_expr): Likewise. Support unordered compares.
9439 (do_jump, do_store_flag): Likewise.
9440 * expr.h (enum libfunc_index): Add unordered compares.
9442 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9443 (DPBIT_FUNCS): Add _unord_df.
9444 * config/fp-bit.c (_unord_f2): New.
9445 * fp-test.c (main): Try unordered compare builtins.
9447 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9448 * alpha.c (alpha_comparison_operator): Check mode properly.
9449 (alpha_swapped_comparison_operator): Likewise.
9450 (signed_comparison_operator): Likewise.
9451 (alpha_fp_comparison_operator): New.
9452 (alpha_emit_conditional_branch): Handle unordered compares.
9453 * alpha.h (PREDICATE_CODES): Update.
9454 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9455 (bunordered, bordered): New.
9457 2000-01-24 Richard Henderson <rth@cygnus.com>
9459 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9460 * alpha.md (movtf): New expander, insn, and splitter.
9462 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9464 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9467 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9469 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9470 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9471 REG_ALLOC_ORDER): Add frame pointer
9472 (FRAME_POINTER_REGNUM): Set to 20
9473 (HARD_FRAME_POINTER_REGNUM): New macro.
9474 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9475 to HARD_FRAME_POINTER.
9476 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9477 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9478 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9479 (HI_REGISTER_NAMES): Add "frame".
9480 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9481 (debug_reg): Handle FRAME_POINTER_REGNUM.
9482 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9483 GENERAL_REGS and INDEX_REGS.
9484 * i386.c (SAVED_REGS_FIRST): new macro.
9485 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9486 (ix86_decompose_address, memory_address_length): Likewise.
9487 (regclass_map): Add frame pointer.
9488 (call_insn_operand): Handle frame_pointer_rtx.
9489 (reg_no_sp_operand): Likewise.
9490 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9491 (print_operand, legitimize_pic_address): Fix formating.
9492 (ix86_compute_frame_size): Make static, update prototype, new
9493 parameters padding1, padding2, use ix86_nsaved_regs, use
9494 stack_alignment_needed.
9495 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9496 to HARD_FRAME_POINTER_REGNUM conversions.
9497 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9498 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9499 (print_reg): Abort on FRAME_POINTER_REGNUM
9501 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9503 * i386.h (PREDICATE_CODES): Add aligned_operand.
9504 * i386.c (aligned_operand): New function.
9505 (ix86_aligned_p): Kill.
9506 * i386.md (movhi_1): Emit mov for aligned operands.
9507 (promoting peep2s): Use aligned_operand.
9509 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9511 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9512 expression to allow underscores in macro names.
9513 (fix_char_macro_defines): Increment scanning pointer.
9515 2000-01-23 Richard Henderson <rth@cygnus.com>
9517 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
9518 * alpha/osf5.h: New file.
9519 * configure.in (alpha-*-osf5): Add it to tm_file.
9521 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
9523 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
9524 (alpha_emit_xfloating_cvt, function_arg): Declare.
9525 * alpha.c (alpha_emit_conditional_branch): Call
9526 alpha_emit_xfloating_compare for TFmode compares.
9527 (alpha_lookup_xfloating_lib_func): New.
9528 (alpha_compute_xfloating_mode_arg): New.
9529 (alpha_emit_xfloating_libcall): New.
9530 (alpha_emit_xfloating_arith): New.
9531 (alpha_emit_xfloating_compare): New.
9532 (alpha_emit_xfloating_cvt): New.
9533 (print_operand): Add default abort case.
9534 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
9535 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
9536 (BIGGEST_ALIGNMENT): Increase to 128 bits.
9537 (RETURN_IN_MEMORY): True for TF/TCmode.
9538 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
9539 (FUNCTION_ARG): Move to function_arg.
9540 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
9541 (ASM_OUTPUT_LONG_DOUBLE): New.
9542 (ASM_OUTPUT_DOUBLE): Always output bits.
9543 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
9544 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
9545 (extenddftf2, trunctfdf2): New.
9547 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9549 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
9550 * config/sparc/sol2.h: ... here.
9552 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9554 * basic-block.h (struct loops): New field `levels'.
9555 * flow.c (flow_loops_level_compute): Traverse all outer loops.
9556 (flow_loop_level_compute): Initialise level to 1.
9557 (flow_loops_find): Set loops->levels.
9558 (flow_loops_dump): Print loops->levels.
9560 2000-01-23 Richard Henderson <rth@cygnus.com>
9562 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
9563 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
9565 2000-01-23 Richard Henderson <rth@cygnus.com>
9567 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
9568 * i386.h (DBX_REGISTER_NUMBER): Use them.
9569 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
9570 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
9571 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
9572 * i386/sequent.h: Kill incorrect comment.
9574 2000-01-23 Mark Mitchell <mark@codesourcery.com>
9576 * ggc-page.c (struct page_entry): Make `context_depth' an
9578 (struct globals): Likewise.
9580 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
9582 * loop.c (check_dbra_loop): When checking a loop for
9583 reversability, check the source of any stores to ensure
9584 they don't depend on an initial value.
9586 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9588 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
9590 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
9592 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
9593 'pz_scan' into scope of entire function. Only affects
9594 compiles with -DDEBUG.
9596 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
9598 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
9599 section naming to that prior to 2000-01-07 patch.
9600 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
9601 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
9602 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
9603 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
9604 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
9606 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
9608 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
9611 2000-01-21 Jim Wilson <wilson@cygnus.com>
9613 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
9614 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
9616 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9618 * cpphash.c (change_newlines): Delete function.
9619 (struct argdata): Delete 'newlines' and 'use_count' fields.
9620 (macroexpand): Remove code referencing those fields.
9622 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9624 * loop.c (loops_info): New variable.
9625 (loop_optimize): Allocate loops->array and free it on exit.
9626 Allocate memory for loops_info and assign to each loop,
9628 (find_and_verify_loops): Do not allocate loops->array.
9630 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9632 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
9634 2000-01-21 Jakub Jelinek <jakub@redhat.com>
9636 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
9637 pseudos if expanded after first flow.
9638 (movdi_pic_label_ref): Likewise.
9640 2000-01-20 Richard Henderson <rth@cygnus.com>
9642 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
9644 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
9646 * Makefile.in (fixinc.sh): Depend on specs.
9647 * fixinc/Makefile.in: Add rule to create machname.h.
9648 (fixlib.o): Depend on machname.h.
9649 * fixinc/fixtests.c (machine_name): New test.
9650 * fixinc/fixfixes.c (machine_name): New fix.
9651 * fixinc/fixlib.c (mn_get_regexps): New helper function for
9652 the machine_name test and fix.
9653 * fixinc/fixlib.h: Prototype it.
9654 * fixinc/inclhack.def (machine_name): Use the C test and fix.
9655 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
9657 * gcc.c (do_spec_1) [case P]: Take care not to create
9658 identifiers with three leading or trailing underscores.
9660 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
9661 (fixincl): Don't specify libraries twice on link line.
9662 (gnu-regex.o): Remove special rule.
9663 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
9664 defined by config.h. Do not define _REGEX_RE_COMP.
9665 (regcomp): Allocate and initialize a fastmap.
9666 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
9668 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
9670 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
9672 2000-01-19 Richard Henderson <rth@cygnus.com>
9674 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
9675 arguments with BB. Update all callers. Tidy line wrapping.
9677 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
9679 * emit-rtl.c (try_split): Return last_insn if we split the
9682 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
9684 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
9685 (ix86_initial_elimination_offset): Declare.
9686 * i386.c (ix86_nsaved_regs): Break out from ...
9687 (ix86_can_use_return_insn_p): ... here.
9688 (ix86_emit_save_regs): Break out from ...
9689 (ix86_expand_prologue): ... here.
9690 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
9692 (ix86_expand_epilogue): ... here.
9693 (ix86_compute_frame_size): Make static, add prototype.
9694 (ix86_initial_elimination_offset): Break out from ...
9695 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
9697 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9699 * recog.h (OUT_FCN): Delete.
9701 * vax.md: Call `get_insn_template' instead of OUT_FCN.
9703 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9705 * cppalloc.c: PROTO -> PARAMS.
9706 * cpperror.c: Likewise.
9707 * cppfiles.c: Likewise.
9708 * cpplib.c: Likewise.
9709 * cpplib.h: Likewise.
9711 * config/arm/arm-protos.h: PROTO -> PARAMS.
9712 * config/arm/arm.c: Likewise.
9713 * config/c4x/c4x.c: Likewise.
9714 * config/fr30/fr30-protos.h: Likewise.
9715 * config/nextstep.c: Likewise.
9716 * config/pa/pa.c: Likewise.
9717 * config/pj/pj.c: Likewise.
9718 * config/rs6000/rs6000.c: Likewise.
9719 * config/v850/v850-protos.h: Likewise.
9720 * config/v850/v850.c: Likewise.
9722 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9724 * i370-protos.h: New file.
9726 * i370.c: Include tm_p.h. Fix compile time warnings.
9728 * i370.h: Move prototypes to i370-protos.h. Fix compile time
9731 * i370.md: Likewise.
9733 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9735 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
9736 (target_isinf, target_isnan, eisnan): Mark parameter with
9738 (eiisinf): Wrap in INFINITY.
9739 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
9740 (ibmtoe): Remove unused variable `rndsav'.
9742 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9744 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
9745 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
9747 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
9749 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
9750 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
9751 (fix_char_macro_defines, fix_char_macro_uses): New functions.
9753 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
9754 Recognize Emacs mode markers also.
9755 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
9756 C++ comments in C++ headers. Call is_cxx_header only if
9759 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
9761 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
9762 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
9763 ... these, which use the new C fixes.
9764 (math_exception): Escape literal '+' in bypass expression.
9766 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
9769 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9771 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
9774 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9776 * loop.c (loop_optimize): Allocate loop_info structure for each loop
9777 prior to calling scan_loop.
9779 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9781 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
9782 (split_branches, calc_live_regs): Likewise.
9784 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9786 * sh.md (fpu_single, fp_mode): New attributes.
9788 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9790 * loop.c (current_loop_info): Renamed from loop_info_data
9791 and changed to a pointer.
9792 (loop_optimize): Allocate loop_info structure for each loop
9793 and initialise to zero.
9794 (scan_loop): Set current_loop_info.
9796 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
9799 2000-01-19 Richard Henderson <rth@cygnus.com>
9801 * stupid.c: Die die die.
9802 * Makefile.in (OBJS): Remove stupid.o.
9803 (stupid.o): Likewise.
9805 * except.c (emit_eh_context): Don't emit USEs for stupid.
9806 * explow.c (probe_stack_range): Likewise.
9807 * flags.h (obey_regdecls): Remove.
9808 * flow.c (find_basic_blocks): Don't run try_merge_blocks
9809 when not optimizing.
9810 (life_analysis): Limit data collection when not optimizing.
9811 (mark_regs_live_at_end): Always mark the return value registers.
9812 (mark_used_regs): Remove dummy RETURN case.
9813 (print_rtl_with_bb): Don't consult obey_regdecls.
9814 * function.c (use_variable, use_variable_after): Remove.
9815 (assign_parms): Consult optimize not obey_regdecls.
9816 (expand_function_start): Don't emit USEs for stupid.
9817 (expand_function_end): Likewise.
9818 * global.c (build_insn_chain): Export.
9819 * integrate.c (expand_inline_function): Kill return-value USE
9821 * jump.c (jump_optimize_1): Do simple jump optimizations and
9822 dead code elimination.
9823 (calculate_can_reach_end): Remove check_deleted argument.
9824 (delete_insn): Patch out insns even when not optimizing.
9825 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
9826 * rtl.h (use_variable, use_variable_after): Remove declarations.
9827 (build_insn_chain): Declare.
9828 * stmt.c (expand_value_return): Don't emit USEs for stupid.
9829 (expand_end_bindings): Likewise.
9830 (expand_decl): Likewise. Consult optimize not obey_regdecls.
9831 * toplev.c (obey_regdecls): Remove.
9832 (rest_of_compilation): Don't set it. Kill stupid in favour of
9833 flow1, local-alloc, and reload.
9834 (main): Don't set obey_regdecls.
9836 * config/nextstep.c (handle_pragma): Likewise.
9838 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
9840 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
9842 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9844 * alpha-protos.h: PROTO -> PARAMS.
9845 * alpha.c: Likewise.
9847 * h8300.c: Likewise.
9848 * i386-protos.h: Likewise.
9850 * m32r-protos.h: Likewise.
9853 * mips.md: Likewise.
9854 * gmon-sol2.c: Likewise.
9855 * sparc.c: Likewise.
9857 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9859 * ns32k-protos.h: New file.
9861 * ns32k.c: Fix compile time warnings.
9863 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
9866 * ns32k.md: Likewise.
9868 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9870 * vax-protos.h: New file.
9872 * vax.c: Fix compile time warnings.
9874 * vax.h: Move prototypes to vax-protos.h. Fix compile time
9879 * vaxv.md: Likewise.
9881 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9883 * romp-protos.h: New file.
9885 * romp.c: Fix compile time warnings.
9887 * romp.h: Move prototypes to romp-protos.h. Fix compile time
9890 * romp.md: Likewise.
9892 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9894 * we32k-protos.h: New file.
9896 * we32k.c: Fix compile time warnings.
9898 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
9901 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9903 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
9905 * except.c (eh_regs): Likewise.
9907 * final.c (output_operand): Likewise.
9909 * fold-const.c (target_isinf, target_isnan): Likewise.
9911 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9913 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
9914 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
9916 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
9918 (clrstrsi): Rewrite.
9919 (strsethi, strsetqi): New expanders.
9920 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
9921 (cmpstrsi): Emit compare insn before cmpstrsi_1
9922 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
9923 (strlensi_1): Likewise.
9924 (cmpstrsi_1): Likewise; do not output compare.
9925 (strlen expander): Do not unroll when optimizing for size.
9926 (*subsi3_carry): Rename to subsi3_carry
9927 (addqi3_cc): New pattern.
9928 * i386.h (processor_costs): Add move_ratio field.
9929 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
9930 * i386.c (*_cost): Set move_ratio.
9931 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
9932 (x86_expand_strlensi_1): Rewrite the main loop.
9934 2000-01-17 Richard Henderson <rth@cygnus.com>
9936 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
9937 * cse.c (find_comparison_args, fold_rtx): Likewise.
9938 * integrate.c (subst_constants): Likewise.
9939 * loop.c (get_condition): Likewise.
9941 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
9943 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
9945 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9947 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
9948 (RESTORE_WARN_FLAGS): Unpack it.
9949 Change semantic type of extension to ttype.
9950 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
9951 * c-parse.y, c-parse.c, objc/objc-parse.y,
9952 objc/objc-parse.c: Regenerate.
9954 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
9956 * fixinc/fixlib.c: Add copyright notice.
9957 (compile_re): New function.
9958 * fixinc/fixlib.h: Prototype compile_re.
9960 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
9961 Use compile_re to compile regular expressions.
9963 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
9964 where the pattern matched.
9966 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
9968 (ultrix_ansi_compat): Likewise.
9969 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
9971 (interactv_add2, interactv_add3): Delete.
9972 (x11_sprintf): Don't use filename glob.
9973 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
9976 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9978 * print-rtl.c: PROTO -> PARAMS.
9980 * reg-stack.c: Likewise.
9981 * resource.c: Likewise.
9982 * sdbout.h: Likewise.
9983 * simplify-rtx.c: Likewise.
9984 * stor-layout.c: Likewise.
9985 * stupid.c: Likewise.
9986 * xcoffout.c: Likewise.
9987 * xcoffout.h: Likewise.
9989 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9991 * toplev.c: PROTO -> PARAMS.
9992 * toplev.h: Likewise.
9995 * unroll.c: Likewise.
9996 * varasm.c: Likewise.
9997 * varray.c: Likewise.
9998 * varray.h: Likewise.
10000 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10002 * reload.c: PROTO -> PARAMS.
10003 * reload.h: Likewise.
10004 * reload1.c: Likewise.
10005 * reorg.c: Likewise.
10006 * resource.h: Likewise.
10009 * rtlanal.c: Likewise.
10010 * sbitmap.h: Likewise.
10011 * sdbout.c: Likewise.
10012 * stack.h: Likewise.
10013 * stmt.c: Likewise.
10014 * system.h: Likewise.
10016 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10018 * machmode.h: PROTO -> PARAMS.
10019 * mbchar.h: Likewise.
10020 * mips-tdump.c: Likewise.
10021 * mips-tfile.c: Likewise.
10022 * optabs.c: Likewise.
10023 * output.h: Likewise.
10024 * prefix.c: Likewise.
10025 * profile.c: Likewise.
10026 * protoize.c: Likewise.
10027 * real.h: Likewise.
10028 * recog.c: Likewise.
10029 * recog.h: Likewise.
10030 * regclass.c: Likewise.
10031 * regmove.c: Likewise.
10032 * regs.h: Likewise.
10034 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10036 * ggc-common.c: PROTO -> PARAMS.
10037 * ggc-page.c: Likewise.
10038 * ggc-simple.c: Likewise.
10040 * global.c: Likewise.
10041 * graph.c: Likewise.
10042 * gthr-win32.h: Likewise.
10043 * haifa-sched.c: Likewise.
10044 * halfpic.h: Likewise.
10045 * integrate.c: Likewise.
10046 * integrate.h: Likewise.
10047 * jump.c: Likewise.
10049 * local-alloc.c: Likewise.
10050 * loop.c: Likewise.
10051 * loop.h: Likewise.
10053 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10055 * genattr.c: PROTO -> PARAMS.
10056 * genattrtab.c: Likewise.
10057 * gencheck.c: Likewise.
10058 * gencodes.c: Likewise.
10059 * genconfig.c: Likewise.
10060 * genemit.c: Likewise.
10061 * genextract.c: Likewise.
10062 * genflags.c: Likewise.
10063 * gengenrtl.c: Likewise.
10064 * genopinit.c: Likewise.
10065 * genoutput.c: Likewise.
10066 * genpeep.c: Likewise.
10067 * genrecog.c: Likewise.
10069 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10071 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10073 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10075 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10076 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10077 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10078 * configure, config.in: Rebuilt.
10080 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10082 * config/i386/i386.md: Add peephole to merge successive stack
10085 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10087 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10088 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10089 when walking backwards to find all the parameter loads when
10090 the basic block ends in a call.
10092 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10094 * loop.c (this_loop_info): Delete.
10095 (uid_loop): Add in place of uid_loop_num. All uses updated.
10096 (loop_number_exit_count): Delete and replace with entry in loop
10097 structure. All uses updated.
10098 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10099 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10100 (loop_outer_loop): Likewise.
10101 (loop_invalid, loop_number_exit_labels): Likewise.
10102 (loop_used_count_register): Delete and replace with entry in
10103 loop_info structure.
10104 (find_and_verify_loops): Add loops argument.
10105 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10106 loop_end, etc. arguments with loop structure pointer. All callers
10108 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10109 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10110 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10111 (insert_bct): Likewise.
10112 (basic_induction_var): New argument level.
10113 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10114 vtop, and cont. Add used_count_register.
10115 (uid_loop): Delete declaration.
10116 (loop_number_exit_count): Likewise.
10117 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10118 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10119 (loop_outer_loop, loop_used_count_register): Likewise.
10120 (loop_invalid, loop_number_exit_labels): Likewise.
10121 (unroll_loop): Replace loop_start and loop_end arguments
10122 with loop structure pointer.
10123 (loop_precondition_p, loop_iterations): Likewise.
10124 Include basic-block.h.
10125 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10126 with loop structure pointer.
10127 (loop_precondition_p, loop_iterations): Likewise.
10128 * basic-block.h (struct loop): New entries vtop, cont,
10129 cont_dominator, start, end, top, scan_start, exit_labels,
10131 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10133 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10135 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10137 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10139 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10141 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10143 * pdp11-protos.h: New file.
10145 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10148 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10151 * pdp11.md: Likewise.
10153 * 2bsd.h: Likewise.
10155 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10157 * mn10300-protos.h: New file.
10159 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10162 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10165 * mn10300.md: Likewise.
10167 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10169 * mn10200-protos.h: New file.
10171 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10174 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10177 * mn10200.md: Likewise.
10179 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10181 * h8300-protos.h: New file.
10183 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10186 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10189 * h8300.md: Likewise.
10191 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10193 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10194 (asm_emit_uninitialised): Likewise.
10196 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10198 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10199 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10201 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10203 * config/mips/mips.c (override_options): Don't turn on extra
10204 alignment for mips16.
10206 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10208 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10209 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10212 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10214 * builtins.c (PAD_VARARGS_DOWN): Define.
10215 (std_expand_builtin_va_arg): Use the above macro.
10216 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10217 * tm.texi (Register Arguments): Document the above macro.
10219 2000-01-14 Nick Clifton <nickc@cygnus.com>
10221 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10222 that this function has not been used to emit a jump
10225 * jump.c (return_jump_1): Cope with being passed a null rtx.
10227 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10229 * eh-common.h: PROTO -> PARAMS.
10230 * emit-rtl.c: Likewise.
10231 * errors.c: Likewise.
10232 * errors.h: Likewise.
10233 * except.c: Likewise.
10234 * except.h: Likewise.
10235 * explow.c: Likewise.
10236 * expmed.c: Likewise.
10237 * expr.c: Likewise.
10238 * expr.h: Likewise.
10239 * final.c: Likewise.
10240 * fix-header.c: Likewise.
10241 * flow.c: Likewise.
10242 * fold-const.c: Likewise.
10243 * function.c: Likewise.
10244 * function.h: Likewise.
10246 * gcov-io.h: Likewise.
10247 * gcov.c: Likewise.
10248 * gcse.c: Likewise.
10250 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10252 * sh-protos.h: New file.
10254 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10255 Add static prototypes. Fix compile time warnings.
10257 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10261 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10263 * arc-protos.h: New file.
10265 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10268 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10271 * arc.md: Likewise.
10273 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10275 * dsp16xx-protos.h: New file.
10277 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10280 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10283 * dsp16xx.md: Likewise.
10285 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10287 * convex-protos.h: New file.
10289 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10292 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10295 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10297 * elxsi-protos.h: New file.
10299 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10302 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10305 * elxsi.md: Likewise.
10307 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10309 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10310 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10311 match the comment for MIPS16.
10313 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10315 * flow.c (split_edge): Do not call set_block_for_insn if we
10316 do not have a basic_block_for_insn structure.
10318 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10319 and destination functions are 32bit aligned within the trampoline.
10320 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10321 (TRAMPOLINE_ALIGNMENT): Define.
10323 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10324 (set (pc) (label_ref)), verify the change creates a valid insn.
10326 * fr30.c (call_operand): Tighten and rework to match rules for
10327 call RTL expressions.
10328 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10329 * fr30.md (call patterns): Improve constraints.
10331 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10333 * fr30.c (fr30_expand_epilogue): Revert last change.
10334 Use emit_jump_insn for the return insn.
10336 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10337 Stan Cox <scox@cygnus.com>
10339 * predict.c: New file. Preliminary infrastructure work for static
10340 branch prediction and basic block reordering.
10341 * basic-block.h: Add prototype for estimate_probability.
10342 * Makefile.in: Add rules for predict.o.
10344 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10346 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10347 * fixinc/*: Likewise.
10349 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10351 * cccp.c: PROTO -> PARAMS.
10352 * cexp.y: Likewise.
10353 * collect2.c: Likewise.
10354 * combine.c: Likewise.
10355 * convert.h: Likewise.
10357 * dbxout.c: Likewise.
10358 * dbxout.h: Likewise.
10359 * diagnostic.c: Likewise.
10360 * doprint.c: Likewise.
10361 * dwarf2out.c: Likewise.
10362 * dwarf2out.h: Likewise.
10363 * dwarfout.c: Likewise.
10364 * dwarfout.h: Likewise.
10365 * dyn-string.h: Likewise.
10367 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10369 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10370 macro conditionals guarding use.
10372 * dwarf2out.c: Include "tm_p.h".
10374 * function.c (locate_and_pad_parm): Mark parameter with
10376 (expand_function_end): Likewise for variable `context'.
10378 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10380 2000-01-13 Nick Clifton <nickc@cygnus.com>
10382 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10383 register to prevent compile time warnings.
10385 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10387 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10388 to avoid -Wtraditional warning.
10390 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10392 * 1750a-protos.h: New file.
10394 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10397 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10400 * 1750a.md: Likewise.
10402 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10404 * a29k-protos.h: New file.
10406 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10409 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10412 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10414 * clipper-protos.h: New file.
10416 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10419 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10422 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10424 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10426 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10428 * configure.in (--enable-new-gxx-abi): New option.
10429 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10430 * Makefile.in (GXX_ABI_FLAG): New variable.
10431 * configure: Regenerate.
10433 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10435 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10436 * tm.texi (FORCE_STRUCT_BLK): Document.
10437 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10439 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10441 * config/ns32k/ns32k.md: Revert Jan 9 change.
10443 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10444 to a mode-test, if the predicate is address_operand.
10446 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10448 * combine.c (if_then_else_cond): Be careful about what kinds
10449 of RTL expressions are passed to operand_subword.
10451 * flow.c (split_edge): If we have to insert a new jump, make
10452 sure to associate it with a basic block.
10454 * flow.c (commit_one_edge_insertion): A block with one successor
10455 can end in a JUMP_INSN that is not a simplejump.
10457 2000-01-12 Robert Lipe <robertl@sco.com>
10459 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10460 (BUILD_VA_LIST_TYPE): Define.
10461 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10464 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10466 * cccp.c (do_pragma): Add cast to (char *).
10468 2000-01-12 Richard Henderson <rth@cygnus.com>
10469 Fred Fish <fnf@be.com>
10470 Jason Merrill <jason@cygnus.com>
10472 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10473 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10474 * i386/beos-elf.h, i386/beos-pe.h: New files.
10476 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10477 * cross-make (SYSTEM_HEADER_DIR): Define using
10478 CROSS_SYSTEM_HEADER_DIR.
10480 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10481 (process_command): Use it.
10482 (main): Likewise. Kill trailing = from env vars.
10483 (build_search_list): Put it back.
10484 * collect2.c (main): Use LIBRARY_PATH_ENV.
10486 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10487 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10489 * tm.texi (Frame Layout): Document SMALL_STACK.
10490 * c-common.c (c_common_nodes_and_builtins): Check it.
10492 * system.h: Undef alloca after including glibc's <stdlib.h>,
10493 if USE_C_ALLOCA is defined.
10495 * gcc.c (set_input): New fn.
10496 (main): After all input files are compiled, reset the input file
10499 * aclocal.m4 (rindex, index): If already defined, don't attempt
10502 * ginclude/varargs.h: (__va_list__): Define ifndef.
10503 * ginclude/stdarg.h: Likewise.
10505 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10506 instead of unsigned char.
10508 * hash.h (true, false, boolean): Undef before enum.
10510 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10511 proper type of "HOST_WIDE_INT *", rather than their natural type of
10512 "unsigned HOST_WIDE_INT *".
10514 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10516 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
10518 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
10520 * regclass.c (choose_hard_reg_mode): Likewise.
10522 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
10524 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
10526 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10528 * c-common.c: PROTO -> PARAMS.
10529 * c-common.h: Likewise.
10530 * c-decl.c: Likewise.
10531 * c-iterate.c: Likewise.
10532 * c-lang.c: Likewise.
10533 * c-lex.c: Likewise.
10534 * c-lex.h: Likewise.
10535 * c-parse.in: Likewise.
10536 * c-pragma.c: Likewise.
10537 * c-pragma.h: Likewise.
10538 * c-tree.h: Likewise.
10539 * c-typeck.c: Likewise.
10540 * objc/objc-act.c: Likewise.
10541 * objc/objc-act.h: Likewise.
10543 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10545 * m88k-protos.h: New file.
10547 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
10550 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
10552 * m88k.md: Likewise.
10554 * tekXD88.h: Likewise.
10556 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10558 * m68k-protos.h: New file.
10560 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
10563 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
10565 * mot3300.h: Likewise.
10567 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
10569 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
10571 (extract_bitlist): Declare bitlen.
10573 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
10575 * cccp.c: Accept and ignore -lang-fortran.
10577 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
10578 qualifiers don't match at any level of pointerness.
10580 2000-01-12 Robert Lipe <robertl@sco.com>
10582 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
10584 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
10586 * reload1.c (reload_reg_unavailable): New static variable.
10587 (reload_reg_free_p): Test it.
10588 (reload_reg_free_for_value_p): Test it instead of
10590 (choose_reload_regs_init): Compute it.
10592 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
10594 * reorg.c (fill_slots_from_thread): Check modified_in_p
10597 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
10599 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
10600 these nodes even if INTERNALS is not set.
10602 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
10604 * gcse.c (delete_null_pointer_checks_1): Cope when
10605 get_condition cannot determine the condition.
10607 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
10609 * toplev.h (set_message_length): Declare.
10611 * diagnostic.c (obstack_chunk_alloc): Define macro.
10612 (obstack_chunk_free): Likewise.
10613 (struct output_buffer): New data structure.
10614 (vmessage): Remove.
10615 (output_maximum_width): New variable.
10616 (doing_line_wrapping, set_message_length, init_output_buffer,
10617 get_output_prefix, output_space_left, emit_output_prefix,
10618 output_newline, output_append, output_puts, dump_output,
10619 vbuild_message_string, build_message_string, build_location_prefix,
10620 voutput_notice, output_printf, line_wrapper_printf,
10621 vline_wrapper_message_with_location): New functions. Implement
10622 automatic line wrapping.
10623 (v_message_with_decl): Make it handle automatic line wrapping.
10624 (v_error_with_file_and_line): Likewise.
10625 (v_warning_with_file_and_line): Likewise.
10626 (announce_function): Likewise.
10627 (default_print_error_function): Likewise.
10629 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
10631 * cpplib.h (struct cpp_options): Change lang_asm to char.
10633 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
10634 done in cpp_handle_option now.
10635 (initialize_builtins): Take out special case code used only by
10637 (cpp_handle_option): Turn off trigraphs and trigraph warnings
10638 if -traditional. Recognize -lang-fortran and set
10639 lang_fortran, also turn off cplusplus_comments.
10640 (print_help): Document -lang-fortran.
10641 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
10642 lang_asm. Ignore all directives other than `# 123 "file"' if
10644 (cpp_get_token): If -traditional, don't recognize directives
10645 unless the # is in column 1.
10646 (parse_string): If lang_fortran or lang_asm, silently
10647 terminate strings ('' or "") at end of line.
10648 Remove unnecessary braces.
10650 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10651 Richard Henderson <rth@cygnus.com>
10653 * resource.c (mark_referenced_resources): Mark a set strict_low_part
10655 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
10656 strict_low_part when possible.
10658 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10660 * alias.c: PROTO -> PARAMS.
10661 * basic-block.h: Likewise.
10662 * bitmap.c: Likewise.
10663 * bitmap.h: Likewise.
10664 * builtins.c: Likewise.
10665 * c-aux-info.c: Likewise.
10666 * caller-save.c: Likewise.
10667 * calls.c: Likewise.
10669 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10671 * Makefile.in (toplev.o): Depend on regs.h.
10673 * output.h (tdesc_section): Prototype.
10675 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
10677 * sdbout.c: Include "tm_p.h".
10679 * toplev.c: Include "regs.h".
10681 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
10683 * unroll.c (unroll_loop): Add EH support.
10685 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10687 * pa-protos.h: New file.
10689 * pa.c: Include recog.h and tm_p.h.
10690 (compute_zdepwi_operands, compute_movstrsi_length,
10691 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
10692 find_addr_reg, import_milli): Add static prototypes.
10693 (pa_cpu_string, pa_arch_string): Constify a char*.
10694 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
10695 (read_only_operand): Add argument `mode'.
10696 (singlemove_string, output_move_double, output_fp_move_double,
10697 output_block_move, output_and, output_ior, output_ascii,
10698 remove_useless_addtr_insns, milli_names, output_mul_insn,
10699 output_div_insn, output_mod_insn, output_arg_descriptor,
10700 output_cbranch, output_bb, output_bvb, output_dbra, ,
10701 output_millicode_call, output_call, hppa_encode_label,
10702 output_parallel_movb, output_parallel_addb): Constify a char*.
10703 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
10704 (output_parallel_addb): Remove extra arg to `constrain_operands'
10706 * pa.h: Move all prototypes to pa-protos.h.
10707 (pa_cpu_string, pa_arch_string): Constify a char*.
10708 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
10710 * pa.md: Call `function_label_operand' with mode argument.
10711 Likewise for `read_only_operand'.
10712 Fix nesting of parens in call to `symbolic_operand'.
10714 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10716 * i860-protos.h: New file.
10718 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
10721 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
10723 * i860.md: Likewise.
10725 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
10727 * i386.md (movstrsi expander): Rewrite.
10728 (movstrsi_1 insn): Deleted.
10729 (strmovhi, strmovqi expander): New expanders.
10730 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
10731 * i386.c (x86_single_stringop): New global variable.
10732 * i386.h (x86_single_stringop): Declare.
10733 (TARGET_SINGLE_STRINGOP): New macro.
10735 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10737 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
10738 integer vararg POSTINCREMENT before the destination of the jump
10739 for the hard fp case.
10740 (function_arg_pass_by_reference): Pass a copy of CUM to
10743 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
10744 for CONSTANT_ADDRESS_P above while loop for subreg.
10746 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10748 * flow.c (propagate_block): When a prologue/epilogue insn
10749 is marked dead, unconditionally clear libcall_is_dead and
10750 insn_is_dead, and only dump rtl if warnings aren't being
10753 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
10755 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
10756 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
10757 (FIXED_REGISTERS): Set dirflag as fixed.
10758 (CALL_USED_REGISTERS): Set dirflag as used.
10759 (REG_ALLOC_ORDER): Set dirflag as last one.
10760 (DIRFLAG_REG): New macro.
10761 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
10762 (HI_REGISTER_NAMES): Add dirflag.
10763 (DEBUF_PRINT_REG): Handle dirflag.
10764 * i386.md (type attribute): New cld and str types.
10765 (length_opcode attribute): Set cld and str to 1.
10766 (memory attribute): Set str to unknown - it is not clear from the
10768 (pent_np function unit): Prefixed string operations takes 12 cycles
10769 minimally; cld takes 2 cycles.
10770 (ppro_uops attribute): Str is "many" and cld is "few".
10771 (ppro_p0 unit): Handle cld here.
10772 (k6_alux unit): Handle cld and str types.
10773 (k6_load unit): It is ocupied by str opcodes.
10774 (k6_store unit): It is ocupied by str opcodes.
10775 (athlon_decode): Str is vector decoded.
10776 (athlon_ieu): Handle str and cld.
10777 (cld pattern): New.
10778 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
10779 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
10780 cmpstrsi_nz_1 insn): Do not output cld instruction
10782 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
10784 * gcc.texi (G++ and GCC): Add Java and Chill.
10785 (Bug Critera): Don't list languages.
10787 * gcc.texi (Incompatibilities): No longer claim most C compilers
10790 * gcc.texi (G++ and GCC): Update other front-ends list.
10792 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
10794 * i386.c (ix86_expand_setcc): Fix typo.
10795 (ix86_expand_movcc): Similarly.
10797 * Band-aid until haifa's bitset implementation is nuked.
10798 * haifa-sched.c (extract_bitlst): New parameter for size of the
10799 bitset in bits. All callers changed. Avoid looking at undefined
10800 bits in the bitset.
10801 (edgeset_bitsize): New variable.
10802 (schedule_region): Initialize edgeset_bitsize.
10804 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10806 * Makefile.in (optabs.o): Depend on real.h
10807 (resource.o): Depend on insn-attr.h
10809 * builtins.c (result_vector): Wrap prototype in macro conditions
10810 governing definition and use.
10812 * c-common.c: Include tm_p.h.
10814 * c-lex.c: Likewise.
10816 * elfos.h: Constify a char*.
10818 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
10819 (get_attr_length, shorten_branches, profile_after_prologue): Mark
10820 parameter with ATTRIBUTE_UNUSED.
10822 * fold-const.c (exact_real_inverse): Wrap variable `i' in
10825 * haifa-sched.c (schedule_insns): Mark parameter with
10828 * optabs.c: Include real.h.
10830 * real.h (ereal_atof): Add prototype arguments.
10832 * resource.c: Include insn-attr.h.
10834 * sdbout.c (sdbout_queue_anonymous_type,
10835 sdbout_dequeue_anonymous_types): Wrap in macro
10836 SDB_ALLOW_FORWARD_REFERENCES.
10837 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
10840 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
10842 * stupid.c: Include tm_p.h.
10844 * tree.c (real_value_from_int_cst): Mark parameter with
10847 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10849 * i960-protos.h: New file.
10851 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
10854 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
10856 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10858 * combine.c (expand_field_assignment): Do not discard SUBREGs
10859 while computing nonzero_bits.
10861 2000-01-09 Nick Clifton <nickc@cygnus.com>
10863 * config/arm/arm.c: Fix compile time warnings about signed vs
10864 unsigned constants.
10865 * config/arm/arm.h: Fix compile time warnings about signed vs
10866 unsigned constants.
10868 2000-01-09 Philip Blundell <philb@gnu.org>
10870 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
10871 than `ldm' with only one register.
10872 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
10875 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
10878 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
10880 * config/ns32k/ns32k.md (load or push effective address): Operand 1
10883 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10885 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
10886 assignment used as truth value.
10888 * function.c (assign_temp): Mark parameter `dont_promote' with
10889 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
10890 PROMOTE_FOR_CALL_ONLY.
10892 * genrecog.c (write_subroutine): Mark variable `operands' with
10895 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
10898 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
10899 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
10901 * toplev.c (note_deferral_of_defined_inline_function): Likewise
10904 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10906 * config/c4x.h: Tidy up comments.
10907 * config/c4x.c: Likewise.
10909 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
10911 * fold-const.c (lshift_double, rshift_double): Handle
10912 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
10914 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10916 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
10917 in prepare_function_start().
10919 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
10921 * config/v850/v850.c (expand_epilogue): Interrupt functions no
10922 longer allocate extra stack for function calls.
10924 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10926 * config/c4x/c4x.md (*subqf3_set): Fix typo.
10928 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10930 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
10932 2000-01-07 David Edelsohn <edelsohn@gnu.org>
10934 * rs6000.c (processor_target_table): Add power3 as alias for 630.
10935 * aix43.h: Revert Aug 2 change.
10936 (HAS_INIT_SECTION): Define, not visible yet.
10937 (LD_INIT_SWITCH): Define, not visible yet.
10938 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
10940 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
10942 * collect2.c (main): Expand ld2 size further.
10943 (export_object_lst): Cast assignment to avoid warning.
10944 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
10945 (scan_prog_file, COFF): Do not collect initialization or
10946 finalization functions generated for entire shared object if
10947 init/fini support present.
10949 2000-01-07 Nick Clifton <nickc@cygnus.com>
10951 * config/elfos.h: Tidy up formatting of marcos. Make sure
10952 that .section directives are always prefixed by a tab.
10954 * config/svr4.h: Add #include "elfos.h" and remove duplicate
10957 2000-01-07 Matt Austern <austern@sgi.com>
10959 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
10962 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
10964 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
10966 (crtbegin.o, s-crtS): Likewise.
10968 2000-01-06 Richard Henderson <rth@cygnus.com>
10970 * alpha.md (adddi_2+1): Limit offset such that it will be
10971 loadable with a single ldah+lda pair.
10972 (adddi_2+2): Explicitly fail split if we can't make it work.
10974 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
10976 * protoize.c: Conditionally include unistd.h.
10977 (IS_SAME_PATH_CHAR): New macro.
10978 (IS_SAME_PATH): New macro.
10979 (CPLUS_FILE_SUFFIX): New macro.
10980 (cplus_suffix): New static variable.
10981 (is_abspath): New static function.
10982 (in_system_include_dir): Handle DOS style pathnames.
10983 (file_could_be_converted): Likewise.
10984 (file_normally_convertible): Likewise.
10985 (directory_specified_p): Likewise.
10986 (file_excluded_p): Likewise.
10987 (abspath): Likewise.
10988 (shortpath): Likewise.
10989 (referenced_file_is_newer): Likewise.
10990 (save_def_or_dec): Likewise.
10991 (do_processing): Likewise.
10993 (edit_file): Likewise. Use rename instead of link.
10994 (rename_c_file): Likewise. Don't rename syscalls file.
10995 (munge_compile_params): Define null device for DOS based systems.
10996 (process_aux_info_file): Use binary mode if appliable.
10997 (edit_file): Likewise.
10998 * invoke.texi (Running Protoize): Document C++ suffixes used.
11000 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11001 IS_DIR_SEPARATOR macros.
11002 * collect2.c: Likewise.
11003 * cppinit.c: Likewise.
11004 * dwarf2out.c: Likewise.
11006 * gcov.c: Likewise.
11007 * prefix.c: Likewise.
11009 * toplev.c: Likewise.
11010 * system.h: And move to here.
11012 * prefix.c (update_path): Fix typo in variable name.
11014 2000-01-06 Richard Henderson <rth@cygnus.com>
11016 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11017 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11018 (count_reg_sets_1, count_reg_references): Likewise.
11019 (flow_loops_level_compute): Start counting actual loop depth at 1.
11020 (flow_loops_find): Likewise.
11021 * local-alloc.c (update_equiv_regs): Likewise.
11022 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11024 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11026 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11027 FIRST_PSEUDO_REGISTER
11028 * dwarf2out.c: Don't include frame.h
11029 * dwarfout.c: Likewise
11030 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11033 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11035 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11038 * i386.c (movsf splitter): Fix typo in my last checkin.
11040 2000-01-05 Nick Clifton <nickc@cygnus.com>
11042 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11043 own definition of this macro.
11044 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11045 flag_data_sections or UNIQUE_SECTION_P are true.
11047 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11048 unitialised data decls.
11050 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11051 being called for uninitialised data.
11053 * config/i386/interix.c (i386_pe_unique_section): Cope with
11054 being called for uninitialised data.
11056 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11057 for uninitialised data.
11059 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11060 for uninitialised data.
11062 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11063 for uninitialised data.
11065 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11066 (UNIQUE_SECTION_P): Always generate a unique section if
11067 flag_data_sections is true.
11068 (UNIQUE_SECTION): Also generate unique sections for
11069 uninitialised data.
11070 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11071 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11074 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11076 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11079 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11081 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11082 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11083 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11084 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11085 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11087 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11089 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11091 * c-decl.c (finish_enum): Simplify code to determine minimum and
11092 maximum values of the enum, and calculate the type. Remove check
11093 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11094 the DECL_INITIAL of each enumeration constant with a copy converted
11095 to the enumeration type. When updating variant types, don't bother
11096 updating the type itself.
11098 * c-typeck.c (build_binary_op): Simplify conditional expressions
11099 when weeding out spurious signed-unsigned warnings. Add new
11100 spurious warning category: if the unsigned quantity is an enum
11101 and its maximum value fits in signed_type(result_type). Update
11103 (build_conditional_expr): Warn here if one alternative is signed
11104 and the other is unsigned.
11106 2000-01-05 Nick Clifton <nickc@cygnus.com>
11108 * config/fr30/fr30.h: Remove extraneous comments.
11110 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11112 * reload1.c (choose_reload_regs): When disabling a reload, also
11113 set reload_spill_index to -1.
11115 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11117 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11119 (m68*-*-rtemself*): New target.
11120 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11121 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11122 (sparc*-*-rtemself*): New target.
11123 (sparc*-*-rtems*): Now elf not a.out.
11124 * config/i386/rtems.h: Include config/rtems.h.
11125 * config/i386/rtemself.h: Include config/rtems.h.
11126 * config/i960/rtems.h: Include config/rtems.h.
11127 * config/m68k/rtems.h: Include config/rtems.h.
11128 * config/m68k/rtemself.h: Include config/rtems.h.
11129 * config/mips/rtems64.h: Include config/rtems.h.
11130 * config/pa/rtems.h: Include config/rtems.h.
11131 * config/rs6000/rtems.h: Include config/rtems.h.
11132 * config/sh/rtems.h: Include config/rtems.h.
11133 * config/sh/rtemself.h: Include config/rtems.h.
11134 * config/sparc/rtems.h: Include config/rtems.h.
11135 * config/sparc/rtemself.h: Include config/rtems.h
11137 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11139 * final.c (shorten_branches): Correctly compute length of
11140 asms without operands.
11142 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11144 * configure.in: Add pj target.
11145 * configure: Regenerate.
11146 * config/pj: New directory.
11147 * config/pj/lib1funcs.S: New file.
11148 * config/pj/linux.h: New file.
11149 * config/pj/pj.c: New file.
11150 * config/pj/pj.md: New file.
11151 * config/pj/pjl.h: New file.
11152 * config/pj/t-pj: New file.
11153 * config/pj/xm-pj.h: New file
11155 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11157 * toplev.c (rest_of_compilation): Run shorten-branches before
11160 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11162 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11163 macros so that they're consistent with their names.
11164 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11165 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11167 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11169 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11170 modified inadvertently.
11172 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11174 * configure.in (v850*-*-rtems*): New target.
11175 * configure: Regenerate.
11176 * config/v850/rtems.h: New file.
11178 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11180 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11181 (__gthread_key_create): Likewise.
11182 (__gthread_key_dtor): Likewise.
11183 (__gthread_once): Fix logic.
11184 (__gthread_key_delete): Cast away constness.
11186 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11187 * invoke.texi: Document.
11188 * i386/mingw32.h (CPP_SPEC): Use.
11189 (LIBGCC_SPEC): Likewise.
11190 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11192 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11194 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11195 (HANDLE_PRAGMA_PACK): Undefine.
11196 (SLOW_UNALIGNED_ACCESS): Define.
11198 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11200 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11201 to default definition.
11202 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11203 (store_fixed_bit_field): Call macro with word_mode and alignment.
11204 (extract_bit_field): Call macro with relevant mode and alignment.
11205 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11206 to default definition.
11207 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11209 (move_by_pieces_ninsns): Likewise.
11210 (clear_by_pieces): Likewise.
11211 (emit_push_insn): Likewise.
11212 (store_field): Call macro with relevant mode and alignment.
11213 (expand_expr): Likewise.
11214 (expand_expr_unaligned): Likewise.
11216 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11217 (SLOW_UNALIGNED_ACCESS): Define.
11218 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11219 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11220 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11221 (toc_section): Likewise and .toc pseudo-op.
11222 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11224 (TEXT_SECTION_ASM_OP): Likewise.
11225 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11228 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11229 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11230 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11231 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11232 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11234 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11236 * regclass.c: Revert my Jan 4 change to loop cost computation.
11238 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11240 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11243 2000-01-04 Stan Cox <scox@cygnus.com>
11245 * haifa-sched.c (build_control_flow): Change unreachable simple
11246 loop test to check if current block has only one predecessor.
11247 (find_rgns): Initialize degree. Use dest as degree index, not src.
11249 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11251 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11253 * calls.c (expand_call): Likewise for
11254 `old_stack_arg_under_construction'.
11256 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11258 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11261 * gcc.c (execute): Likewise for `ut' and `st'.
11263 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11265 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11267 * jump.c (jump_optimize_1): Likewise for `temp2'.
11269 * local-alloc.c (block_alloc): Likewise for `r1'.
11271 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11273 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11274 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11276 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11279 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11280 and `goal_earlyclobber'.
11282 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11284 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11286 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11288 * unroll.c (copy_loop_body): Likewise for `copy'.
11290 * varasm.c (output_constructor): Likewise for `byte'.
11292 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11294 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11295 all FP constants for constant->reg moves.
11296 (ix86_split_to_parts): Try to convert memory address into immediate
11297 when available in the constant pool.
11298 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11300 (LEGITIMATE_CONSTANT_P): Return 1.
11301 * i386.md (pushsf): New splitter to convert constant pool memory
11302 reference to immediate.
11303 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11306 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11308 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11309 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11310 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11311 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11312 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11314 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11316 * ginclude/stdbool.h: Support compilation as C++.
11318 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11320 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11322 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11324 * regclass.c (regclass): Properly compute loop_cost. Adjust
11327 * regclass.c: Fix minor whitespace problems.
11329 2000-01-03 Anthony Green <green@cygnus.com>
11331 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11332 Restore the pic register if required.
11334 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11336 * c-common.c (format_char_info): Update comment.
11337 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11338 was recognized. Emit warning for formats new in ISO C99 only
11339 if flag_isoc9x is not set.
11341 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11343 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11345 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11347 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11348 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11349 (make_compound_operation): Choose cheaper alternative between
11350 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11352 * regclass.c (op_costs): Remove global variable.
11353 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11354 (record_operand_costs): Break out from ...
11355 (scan_one_insn): ... here.
11356 (dump_regclass): Make dumps nicer.
11357 (regclass): Dump preferrences choosed and changes done during passes.
11359 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11361 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11363 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11365 * config/sparc/sparc.c (gen_df_reg): New function.
11366 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11367 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11368 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11369 movtf_cc_reg_sp64+1): Use it.
11371 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11373 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11374 copied LABEL_DECLs.
11376 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11378 * config/i386/i386.c (ix86_expand_unary_operator): Function
11379 definition made void.
11380 (ix86_expand_binary_operator): Update outdated preceding comment.
11381 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11384 * config/i386/i386.c (override_options): Fix option-name typo.
11386 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11388 * system.h (CEIL): Define.
11389 * builtins.c (CEIL): Remove.
11390 * expmed.c (CEIL): Likewise.
11391 * expr.c (CEIL): Likewise.
11392 * stor-layout.c (CEIL): Likewise.
11394 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11396 * expr.c (store_constructor_field): Fix typo introduced with last
11399 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11401 * tree.h (BINFO_N_BASETYPES): New macro.
11403 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11405 * expmed.c (emit_store_flag): Prevent losing a pending stack
11406 adjust the same way we prevent losing queued increments.
11408 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11410 * function.c (update_temp_slot_address): Handle case where sum of
11411 temporary address plus offset in register is a valid address.
11413 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11415 * genrecog.c (change_state) Corrected typo.
11417 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11419 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11420 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11421 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11423 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11425 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11426 case, expand GT comparisons correctly. Fix a comment before this
11429 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11431 * dwarfout.c: Include "frame.h"
11432 * dwarf2out.c: Likewise.
11433 * Makefile.in (dwarfout.o): Depend on frame.h
11434 (dwarf2out.o): Likewise.
11436 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11438 Restore i386 binary compatibility in Dwarf EH info.
11439 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11440 value of FIRST_PSEUDO_REGISTER.
11441 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11442 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11443 * dwarfout.c (output_reg_number): Ditto.
11444 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11445 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11447 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11449 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11450 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11451 (<hack>_RE_CT): not needed
11452 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11453 rewritten to scan the file text once only
11454 "template<..." test added
11455 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11456 (is_cxx_header): declaration added
11457 * fixinc/fixtests.c(is_cxx_header): removed
11458 (apply_fix_p_t): removed
11459 (double_slash_test): is_cxx_header is only called once now
11460 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11461 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11462 within the templates.
11463 The borken spelling of "broken" was fixed.
11464 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11465 The default level depends on FIXINC_DEBUG.
11467 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11469 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11470 Otherwise provide a declaration for atexit.
11471 (init_dummy): Make sure dummy call to atexit is nevertheless
11472 called with correct number of args.
11474 * frame.c: Update comments referring to other files.
11476 * libgcc2.c: Likewise.
11478 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11480 * cse.c (free_element, get_element): Remove unused prototypes.
11482 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11485 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11488 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11490 * configure.in,configure: case arm for mn10200-*-* now sets
11491 float_format=i32 so that float.h will correctly claim "double"
11492 to be 32 bits. Ran autoconf to generate configure from .in file.
11494 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11496 * pa.md (conditional zero): If op1 is a register, force it into
11497 the same register as op0.
11499 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11501 * tree.h (BINFO_BASETYPES): Improve documentation.
11503 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11505 * configure.in (--enable-checking): Use a more portable `for'
11508 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11510 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11511 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11513 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11516 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
11517 Delete descriptions.
11519 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
11520 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
11521 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
11522 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
11523 xm-svr4.h: Remove all instances of sys_siglist handling.
11525 1999-12-27 Jakub Jelinek <jakub@redhat.com>
11527 * config/sparc/sparc.md (cmp_zero_qi,
11528 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
11529 cmp_zero_extendqidi2_andcc_set): New patterns.
11531 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
11533 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
11534 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
11535 (fpgnulib.c, xfgnulib.c): Add rules.
11536 * m68k/t-mot3300-gas: Likewise.
11538 1999-12-27 Ian Lance Taylor <ian@zembu.com>
11540 * configure.in: Avoid [[ by using test and changequote. Add
11541 changequote required by 1999-12-14 change.
11542 * configure: Rebuild.
11544 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
11546 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
11548 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
11550 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
11551 * flow.c (find_use_as_address): Likewise.
11552 * function.c (fixup_var_refs_1): Likewise.
11553 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
11554 * jump.c (invert_exp, redirect_exp): Likewise.
11555 * loop.c (replace_call_address): Likewise.
11556 (count_nonfixed_reads): Likewise.
11557 * rtlanal.c (modified_between_p): Likewise.
11558 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
11559 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
11560 * unroll.c (remap_split_bivs): Likewise.
11562 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11564 * diagnostic.c (v_message_with_decl): Use .* format specifier
11565 instead of building the format specifier width manually.
11567 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
11568 determining whether to provide a prototype. Remove the
11569 sys_siglist clause in the conditional.
11571 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11573 * fold-const.c (operand_equal_p): Use memcmp to compare string
11575 Suggested by D. J. Bernstein
11577 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11579 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
11580 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11582 * config/mips/mips.h (TARGET_64BIT): Likewise.
11583 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
11584 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
11585 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
11586 dsps. Give routines proper names if SI/DI modes are not used.
11587 * longlong.h: Use DWunion instead of DIunion.
11589 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
11591 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
11592 GC_CHECKING, GC_ALWAYS_COLLECT.
11593 * configure.in: Allow --enable-checking with an argument
11594 listing check modes to enable.
11595 * config.in, configure: Rebuilt.
11596 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
11597 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
11598 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
11599 ENABLE_GC_ALWAYS_COLLECT.
11600 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
11602 * tree.h, tree.c: Change ENABLE_CHECKING to
11603 ENABLE_TREE_CHECKING throughout.
11605 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11607 * fold-const.c (fold_truthop): Properly check for FP RHS.
11609 1999-12-24 Mark Mitchell <mark@codesourcery.com>
11611 * toplev.h (note_deferall_of_defined_inline_function): Declare.
11612 * toplev.c (note_deferral_of_defined_inline_function): New
11613 function, split out from ...
11614 (rest_of_compilation): ... here. Use it.
11616 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11618 * expr.c (store_constructor): Don't call clear_storage if size is
11621 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11623 * Makefile.in (toplev.o): Depend on loop.h.
11625 * dwarfout.c: Include tm_p.h.
11627 * emit-rtl.c (restore_emit_status): Mark parameter with
11630 * final.c (final_scan_insn): Likewise.
11632 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
11633 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
11634 flow_depth_first_order_compute, flow_loop_pre_header_find,
11635 flow_loop_tree_node_add, flow_loops_tree_build,
11636 flow_loop_level_compute, flow_loops_level_compute,
11637 flow_loop_outside_edge_p): Add prototypes.
11638 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
11640 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
11641 Mark with ATTRIBUTE_NORETURN.
11643 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
11645 * local-alloc.c (no_conflict_p): Likewise.
11647 * loop.c (insert_bct): Hide definitions of variables with hidden
11649 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
11651 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
11652 with ATTRIBUTE_UNUSED.
11653 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
11654 (reg_scan): Likewise.
11656 * reload.c (find_reloads): Remove unused variables `changed'.
11658 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
11660 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
11661 Remove unused variable `insn'.
11663 * toplev.c: Include loop.h.
11664 (report_file_and_line): Remove unnecessary prototype.
11666 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
11668 * unroll.c (biv_total_increment): Likewise.
11670 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11672 * reload1.c (emit_input_reload_insns): Restore old behaviour
11673 wrt. 'special' reloads.
11675 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
11677 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
11678 hash.h. (cse.c): Don't depend on hashtab.h.
11680 * cse.c: Don't include hashtab.h.
11681 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
11683 * ggc-simple.c: Don't include hash.h.
11685 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
11687 * dwarf2out.c (add_abstract_origin_attribute): Call
11688 gen_abstract_function on our function context.
11690 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
11692 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
11694 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11696 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
11699 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11701 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
11702 constraints to "a!r".
11704 1999-12-21 Mark Mitchell <mark@codesourcery.com>
11706 * Makefile.in (calls.o): Depend on function.h.
11707 (alias.o): Likewise.
11709 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
11711 * reload1.c (emit_reload_insns): Break out code and variables into...
11712 (input_reload_insns, other_input_address_reload_insns,
11713 other_input_reload_insns, input_address_reload_insns,
11714 inpaddr_address_reload_insns, output_reload_insns,
11715 output_address_reload_insns, outaddr_address_reload_insns,
11716 operand_reload_insns, other_operand_reload_insns,
11717 other_output_reload_insns): ... new static variables, and...
11718 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
11719 do_output_reload): ... new functions.
11721 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11723 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
11725 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11727 * md.texi: Add c4x constraints documentation.
11729 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11731 * config/i386/dgux.c (struct option): Rename to
11732 lang_independent_option.
11733 (struct m_options): Add description field.
11734 (output_options): Rename option type, add sep declaration, output
11735 ix86_cpu_string and ix86_arch_string only if set.
11736 (output_file_start): Rename option type.
11738 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
11740 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
11742 (libgcc2.a): Similarly.
11744 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
11746 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
11747 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
11748 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
11750 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
11752 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
11753 Remove redundant initialization of "frexpon" and "expon".
11755 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11757 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
11759 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
11760 (store_constructor_field, expand_expr): Pass new arg.
11762 1999-12-20 Mark Mitchell <mark@codesourcery.com>
11764 * Makefile.in (explow.o): Depend on function.h.
11766 * stor-layout.c (set_sizetype): Fix typo.
11768 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
11770 * function.c (cfun): Renamed from current_function. All users
11772 * function.h (cfun): Rename declaration as well.
11774 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
11775 to be of type regset_head, not regset. All users changed by adding
11777 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
11779 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11781 * config/c4x/rtems.h: New file.
11783 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
11785 * reload1.c (spill_failure): Take class of failed reload as argument
11786 and print it. Caller changed.
11788 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11790 * rs6000.h (SUBTARGET_DEFAULT): New macro.
11791 (TARGET_SWITCHES): Allow subtargets to default switches.
11792 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
11794 1999-12-18 Mark Mitchell <mark@codesourcery.com>
11796 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
11799 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
11801 * cccp.c (main): Define __STDC_VERSION__ as necessary.
11802 * cppinit.c (cpp_handle_option): Likewise.
11804 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
11805 determine when to define.
11807 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
11809 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
11810 cmove with mismatched test and data modes.
11812 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
11814 * c-typeck.c (c_expand_start_case): Don't warn for long switch
11817 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11819 * alias.c: Minor reformatting.
11820 * flow.c: Likewise.
11821 * regs.h: Likewise.
11822 * stor-layout.c: Likewise.
11823 * fold-const.c: Likewise.
11824 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
11825 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
11827 (size_int_wide): Cache nodes even if garbage collecting.
11828 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
11829 of SAVE_EXPR has no side effects.
11830 * cse.c: Move a comment.
11831 * tree.c: Minor reformatting.
11832 (int_size_in_bytes): Return -1 if constant overflows.
11834 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11836 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
11838 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
11840 * objc/objc-parse.c: Regenerate. This file must be rebuilt
11841 after any change to c-parse.in, even if objc-parse.y didn't
11844 1999-12-18 David S. Miller <davem@redhat.com>
11846 * toplev.c (rest_of_compilation): Restore BLOCK tree
11847 reconstruction and branch shortening changes lost in
11848 December 18th change.
11850 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
11852 * config/arm/linux-elf.h: Change all instances of
11853 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
11854 * config/arm/uclinux-elf.h: Likewise.
11856 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
11858 * toplev.c (notice, vmessage, v_message_with_file_and_line,
11859 v_message_with_decl, file_and_line_for_asm,
11860 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
11861 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
11862 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
11863 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
11864 pfatal_with_name, fatal_io_error, need_error_newline,
11865 last_error_function, last_error_tick, announce_function,
11866 default_print_error_function, print_error_function,
11867 report_error_function, fnotice, error_with_file_and_line,
11868 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
11869 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
11870 warning_with_decl, warning_for_asm, warning, pedwarn,
11871 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
11873 (compile_file): Use fnotice instead of notice. Adjust call.
11875 * diagnostic.c: New file.
11877 * Makefile.in (OBJS): Include diagnostic.o
11878 (diagnostic.o): Define dependence.
11880 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11882 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
11885 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11887 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
11889 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11891 * fixtests.c (is_cxx_header): New fn, split out of
11893 (else_endif_label): Allow "#endif // comment" in C++ headers,
11894 as determined by is_cxx_header.
11895 * fixfixes.c (else_endif_label_fix): Update comment.
11896 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
11898 * genfixes: Correct double thinko in commandline parsing.
11899 * hackshell.tpl: Generate correct sh syntax for bypass
11902 * inclhack.def (all): Whenever an inserted preprocessor
11903 conditional is split over multiple lines, use double
11904 backslashes in this file so the fixed header will be readable.
11906 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
11907 and add bypass entry for correct version of this header.
11908 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
11909 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
11911 (hpux8_bogus_inlines): New fix, split from...
11912 (ultrix_atof_param) ... here.
11913 (math_expression): Add bypass entry keyed to glibc comment
11914 indicating the problem has been dealt with; disable
11915 unnecessary sed operations; update commentary.
11916 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
11917 add select and bypass entries, simplify shell operation.
11918 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
11920 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
11921 ultrix_atof_param): Add select entry.
11922 (stdio_va_list, sunos_mather_decl): Add bypass entry.
11923 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
11924 comments with the fixes they describe.
11926 * c-parse.in (string action): Do not warn about ANSI string
11927 concatenation in system headers. Affects C parser only.
11928 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
11930 1999-12-16 Jakub Jelinek <jakub@redhat.com>
11932 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
11933 compiling libgcc2 the macro depends always on arch cpp defines.
11935 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
11937 * loop.c (insert_loop_mem): Don't record MEMs from inside
11940 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
11942 * regclass.c (regclass): Do not use flowgraph when not optimizing.
11944 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
11945 notes too, create one when replacement failed, attempt to simplify
11947 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
11948 or REG_EQUIV notes.
11950 1999-12-16 Mark Mitchell <mark@codesourcery.com>
11952 * crtstuff.c (__dso_handle): Declare.
11953 (__cxa_finalize): Likewise.
11954 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
11957 * invoke.texi: Document -fuse-cxa-atexit.
11959 * tree.h (ptr_type_node): Document.
11960 (const_ptr_type_node): Likewise.
11962 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
11964 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
11965 (optimize_reg_copy_2): Likewise.
11966 (optimize_reg_copy_3): Likewise.
11967 (fixup_match_2): Likewise.
11968 (regmove_optimize): Likewise.
11969 (fixup_match_1): Liekwise.
11971 * i386.md (HI to SImode promoting splitters): Rewrite.
11972 (pushsf mem peep2): New.
11973 (testhi to andhi peep2): Remove.
11974 * i386.h (x86_promote_QImode): New.
11975 (TARGET_PROMOTE_QImode): New.
11976 (PREDICATE_CODES): Add promotable_binary_operator.
11977 * i386.c (x86_promote_QImode0: New.
11978 (promotable_binary_operator): New.
11979 * i386-protos.h (promotable_binary_operator): New.
11981 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
11983 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
11985 1999-12-16 Mark Mitchell <mark@codesourcery.com>
11987 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
11988 * function.c (insert_block_after_note): Remove.
11989 (retrofit_block): Likewise.
11990 (identify_blocks): Fix indentation.
11991 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
11992 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
11993 * function.h (insert_block_after_note): Remove prototype.
11994 (retrofit_block): Likewise.
11995 * integrate.c (expand_inline_function): Don't call
11996 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
11997 just expand_start_bindings. Use the block_map to remap old
11998 NOTE_BLOCKs to new ones.
11999 (integrate_decl_tree): Keep track of remapped blocks.
12000 * integrate.h (struct inline_remap): Add block_map.
12001 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12002 NOTE_BLOCK on the notes.
12003 (expand_start_bindings): Rename to ...
12004 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12005 (expand_end_bindings): Set NOTE_BLOCK.
12006 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12007 reconstruct the BLOCK tree.
12008 * tree.h (expand_start_bindings): Macroize. Call ...
12009 (expand_start_bindings_and_block): New function.
12011 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12013 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12014 to match the format.
12016 1999-12-16 David S. Miller <davem@redhat.com>
12018 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12019 the outputs is a SUBREG.
12020 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12023 * config/sparc/sparc.c (epilogue_renumber): Add default case
12026 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12028 * toplev.c (rest_of_compilation): Run branch shortening after
12031 * regclass.c (loop_depth): Remove
12032 (scan_one_insn): Do not handle LOOP_NOTE insns.
12033 (regclass): Go through basic blocks and set loop_cost
12035 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12037 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12039 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12041 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12042 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12043 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12045 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12047 * loop.c (insert_loop_mem): Ignore memory clobbers.
12049 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12052 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12054 * profile.c: Remove redundant #include "output.h".
12056 * h8300.md (HImode preinc peephole): Fix typo.
12058 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12060 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12061 (insert_block_after_note): Abort if we don't have a previous block.
12062 Remove FN parameter.
12063 * function.h: Adjust.
12065 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12067 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12068 argument more than once.
12070 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12072 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12074 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12076 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12078 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12080 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12081 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12082 update stack_alignment_needed.
12083 (prepare_function_start): Initialize stack_alignment_needed
12084 * function.h (struct function): Add field stack_alignment_needed.
12086 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12088 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12089 Handle live_throughout / dead_or_set instead of live_before /
12091 (save_call_clobbered_regs): Get register livenessinformation from
12092 chain->live_throughout.
12093 (add_stored_regs): New function.
12094 (insert_restore, insert_save): Add restored / saved registers to
12096 * global.c (reg_dies): New parameter chain.
12097 (reg_becomes_live): Third parameter is regs_set now.
12098 Changed all callers.
12099 (reg_dies): New parameter chain. Changed all callers.
12100 (build_insn_chain): Set live_throughout instead of
12101 live_before / live_after.
12102 * reload.h (struct insn_chain): Replace members live_before /
12103 live_after with live_throughout / dead_or_set.
12104 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12105 instead of live_before / live_after.
12106 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12107 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12108 (choose_reload_regs_init): Likewise.
12109 * stupid.c (current_chain, find_clobbered_regs): Delete.
12110 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12111 instead of chain->live_before / chain->live_after.
12112 (mark_hard_ref): New function.
12113 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12115 1999-12-15 David S. Miller <davem@redhat.com>
12117 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12119 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12121 * flow.c (calculate_loop_depth): Make global, remove prototype,
12122 rewrite to use new loop infrastructure.
12123 (find_basic_block): Remove calculate_loop_depth call.
12124 * toplev.c (rest_of_compilation): Call find_basic_block.
12125 * output.h (calculate_loop_depth): Declare.
12127 * flow.c (dump_flow_info): Dump loop_depth.
12128 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12130 (flow_loops_find): Initialize the loop_depth for each basic block.
12132 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12134 * tree.c (decl_function_context): Handle virtual functions.
12136 * tlink.c (scan_linker_output): Don't look in demangled name when
12137 looking for linker output keywords.
12139 * dwarfout.c (output_type): We can defer namespace-scope classes.
12141 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12143 * regclass.c (record_reg_classes): Update comment for merging
12144 register class preferences in reg->reg copies. Tighten conditions
12145 for merging register class preferences in reg->reg copies.
12147 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12149 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12151 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12153 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12154 (INIT_SECTION_ASM_OP): Delete.
12155 (FINI_SECTION_ASM_OP): Delete.
12156 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12158 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12160 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12161 the abstract origin wasn't emitted.
12163 * dwarf2out.c (class_scope_p): New fn.
12164 (gen_subprogram_die): Use it.
12165 (gen_variable_die): Use it. Tweak logic.
12166 (gen_struct_or_union_type_die): Check context_die to determine
12167 if we're function-local.
12168 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12170 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12172 * loop.c (check_dbra_loop): Can't reverse a biv that has
12173 maybe_multiple set.
12175 1999-12-14 Nick Clifton <nickc@cygnus.com>
12177 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12180 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12182 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12183 for givs made from biv increments.
12185 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12187 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12188 * alpha.c (override_options): Recognize -mcpu=ev67.
12189 * alpha.h (CPP_CPU_EV67_SPEC): New.
12190 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12191 (EXTRA_SPECS): Update.
12193 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12195 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12196 appropriate for -lang-c89 and -std=*.
12197 * cppinit.c (cpp_handle_option): Likewise.
12198 (new_pending_define): New, split out from cpp_handle_option.
12199 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12200 or enable trigraphs for -ansi/-std=*.
12202 * ginclude/stdarg.h (__va_copy): New.
12203 (va_copy): Don't define for C89.
12205 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12207 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12208 for long long multiply-accumulate.
12210 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12212 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12213 optimizing for size.
12215 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12217 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12218 if something changed. Back out that part of yesterday's changes.
12220 * loop.c (loop_max_reg): New static variable.
12221 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12223 (scan_loop): Call reg_scan_update whenever we may have added new
12224 registers, and update loop_max_reg.
12226 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12228 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12229 when source does not die.
12231 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12233 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12235 * config/sparc/linux64.h (TARGET_LIVE_G0,
12236 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12238 * config/sparc/linux.h (TARGET_LIVE_G0,
12239 TARGET_BROKEN_SAVERESTORE): Likewise.
12240 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12241 TARGET_BROKEN_SAVERESTORE): Likewise.
12243 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12244 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12246 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12247 as sparc64 block profiling register.
12248 * config/sparc/sparc.c (sparc_override_options): Allow block
12249 profiling with -m32.
12250 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12251 profiling register.
12252 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12253 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12254 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12256 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12258 * config/sparc/sparc.h: Likewise.
12259 * config/sparc/xm-sysv4-64.h: Likewise.
12260 * config/float-sparc.h: Likewise.
12261 * glimits.h: Likewise.
12262 * longlong.h: Likewise.
12264 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12265 (ASM_IDENTIFY_GCC): Remove.
12267 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12269 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12270 (simplify_logical): Likewise.
12272 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12274 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12275 * cppfiles.c (INO_T_EQ): Likewise.
12277 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12279 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12280 * i386/mingw32.h (LIB_SPEC): Likewise.
12281 (STARTFILE_SPEC): Likewise.
12282 * i386/uwin.h (LIB_SPEC): Likewise.
12283 (STARTFILE_SPEC): Likewise.
12285 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12286 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12288 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12290 * combine.c (combine_simplify_rtx): Fix order of checks for
12291 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12293 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12295 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12296 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12298 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12300 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12302 * regclass.c (inv_reg_alloc_order): New array.
12303 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12305 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12306 counted_for_groups, counted_for_nongroups. Add fields rld and
12308 * reload.c (push_secondary_reload): Don't set nongroup field of
12310 (push_reload): Likewise.
12311 (find_reloads): Delete code to compute nongroup fields.
12312 * reload1.c (reload_insn_firstobj): New static variable.
12313 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12315 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12316 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12317 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12319 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12321 (struct hard_reg_n_uses): Deleted.
12322 (potential_reload_regs): Deleted.
12323 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12324 (reload): Don't try to allocate reload registers if we already know
12325 we have to make another pass. Call select_reload_regs. Free memory
12326 starting with reload_firstobj when starting another pass.
12327 Don't allocate spilled_pseudos.
12328 (calculate_needs_all_insns): Call copy_reloads for an insn that
12329 needs reloads; don't call calculate_needs.
12330 (spill_cost): New static array.
12331 (used_spill_regs_local): New static variable.
12332 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12333 to compute potential_reload_regs.
12334 (find_reload_regs): Completely rewritten to use find_reg.
12335 (allocate_reload_reg): Don't test counted_for_groups or
12336 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12337 all cllers changed.
12338 (choose_reload_regs): Add fallback code that uses the existing
12339 register allocation from find_reload_regs.
12341 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12343 * flow.c (create_edge_list): Cast xmalloc return value.
12345 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12347 * doprnt.c: Remove incorrect comment closure.
12349 * cse.c: Fix a few minor whitespace goofs.
12351 1999-12-13 Don Bowman <don@pixstream.com>
12353 * mips/vxworks.h: Fix problem with comment termination.
12354 (EXTRA_SECTIONS): Add in_sbss.
12355 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12357 1999-12-12 David S. Miller <davem@redhat.com>
12359 * cse.c (struct cse_reg_info): Add hash_next member,
12360 reorder rest of struct for better packing on 64-bit
12362 (cse_reg_info_tree): Kill.
12363 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12364 REGHASH_FN): New custom pow2 hash mechanism.
12366 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12367 use a pow2 hash table.
12368 (get_cse_reg_info): Rework to use new REGHASH.
12369 (new_basic_block): Likewise, use HASH_SIZE, and inline
12371 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12372 and inline free_element call.
12373 (lookup_as_function, insert, flush_hash_table, invalidate,
12374 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12375 invalidate_for_call, use_related_value, find_comparison_args,
12376 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12377 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12378 get_element): Kill.
12380 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12382 * cse.c (cse_basic_block): Free qty_table consistently.
12384 1999-12-12 David S. Miller <davem@redhat.com>
12385 Jakub Jelinek <jakub@redhat.com>
12387 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12388 SUBREGs by hand, gen the appropriate hard reg directly.
12389 (movtf reg/mem split): Likewise and alter_subreg on destination
12391 (movtf mem/reg split): Similarly.
12392 (movdf_cc_sp64): Rename from hidden pattern.
12393 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12394 (movtf_cc_sp64, following split): New pattern and splitter.
12395 (movdf_cc_reg_sp64): Rename from hidden pattern.
12396 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12398 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12400 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12402 * loop.c (load_mems): Don't hoist written floating point mem
12405 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12407 * except.h (struct eh_queue): Add `next' pointer.
12408 (struct eh_status): Make x_ehqueue a pointer.
12409 (push_ehqueue): Declare.
12410 (pop_ehqueue): Likewise.
12411 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12413 (expand_fixup_region_end): Likewise.
12414 (expand_leftover_cleanups): Likewise.
12415 (push_ehqueue): Define.
12416 (pop_ehqueue): Likewise.
12417 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12418 than doing it inline.
12419 (expand_start_all_catch): Adjust now that ehqueue is a
12421 (mark_eh_queue): Mark all level of the queue.
12422 (mark_eh_status): Adjust now that ehqueue is a
12424 (init_eh_for_function): Allocate ehqueue.
12425 (free_eh_status): Free it.
12426 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12427 expansion for a fixup.
12429 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12431 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12433 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12434 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12435 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12436 function_ptr, getpagesize, __enable_execute_stack,
12437 __enable_execute_stack, __clear_insn_cache,
12438 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12439 _cleanup, _exit, __default_terminate, __terminate_func,
12440 __terminate, __empty, __throw, new_eh_context,
12441 eh_context_initialize, eh_context_static, eh_context_specific,
12442 get_eh_context, __get_eh_context, __get_eh_info,
12443 init_reg_size_table, eh_threads_initialize,
12444 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12445 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12446 __pure_virtual): Add prototype arguments.
12447 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12448 Cast a signed value to unsigned long when comparing against one.
12449 (new_eh_context): Wrap in _GTHREADS macro.
12450 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12452 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12453 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12455 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12457 * combine.c (record_promoted_value): Remove unused variable
12460 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12462 * global.c (record_conflicts): Likewise for `j'.
12464 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12467 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12469 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12470 output_fp_compare): Constify a char*.
12472 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12474 (override_options, ix86_comp_type_attributes, print_operand,
12475 output_387_binary_op, output_fix_trunc, output_fp_compare):
12477 (ix86_sched_reorder): Mark parameter `clock_var' with
12480 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12482 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12484 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12485 operand, for use in the Java front-end.
12487 1999-12-10 Ben Collins <bcollins@debian.org>
12489 * configure.in: Fix typo for "-64" in 64bit as check.
12490 * configure: Rebuilt.
12492 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12494 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12497 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12499 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12500 concatenation is utilized.
12502 * invoke.texi (-Wtraditional): Document it.
12504 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12506 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12507 Cast a ptrdiff_t to long and pass it to printf with %ld.
12509 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12511 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12512 68881, we have no 68881 registers at all.
12513 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12514 value in a 68881 register if it is available.
12516 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
12518 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
12519 for long long multiply-accumulate.
12521 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12523 * loop.c (insert_loop_mem): Undo last change.
12525 1999-12-10 David S. Miller <davem@redhat.com>
12527 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
12529 * config/sparc/sparc-protos.h: Add them.
12530 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
12531 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
12532 constraints which use those helpers.
12533 (EXTRA_CONSTRAINT): Use this new macro.
12534 * md.texi: Update sparc target constraints documentation.
12535 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
12536 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
12537 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
12538 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
12539 (movsf high/lo_sum split): Rework for new patterns.
12540 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
12542 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12544 * c-common.c (c_common_nodes_and_builtins):
12545 Create __builtin_ptrdiff_t and __builtin_size_t.
12547 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
12549 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
12551 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12553 * regclass.c (globalize_reg): Re-instate test that allows
12554 fixed registers to be declared as a variable even after functions
12557 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12559 * i386.md (cpu attribute): Add "athlon".
12560 (athlon_decode): New attribute.
12561 (Athlon scheduling units definitions): New.
12562 (fcmp and shld patterns): Set athlon_decode to "vector".
12563 * i386.c (athlon_cost): New.
12565 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
12566 x86_use_sahf): Set for Athlon.
12567 (x86_use_fiop): Unset for Athlon.
12568 (override_options): Define Athlon alignments and "athlon" name.
12569 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
12570 * i386.h (TARGET_ATHLON): New.
12571 (enum processor_type): Add PROCESSOR_ATHLON.
12572 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
12574 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
12576 1999-12-09 Andreas Jaeger <aj@suse.de>
12578 * loop.c (record_biv): Declare parameter as int.
12580 * config/i386/i386-protos.h: Declare long_memory_operand.
12582 1999-12-09 Mark Mitchell <mark@codesourcery.com>
12584 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
12585 EXPR_WITH_FILE_LOCATION.
12587 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12589 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
12592 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
12594 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
12597 1999-12-09 Jakub Jelinek <jakub@redhat.com>
12599 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
12600 default on linux64 again.
12601 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
12602 models for multilibing.
12603 * genmultilib: Accept | as alternative separator within a set in
12606 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
12608 * calls.c (precompute_arguments): Make sure initial_value contains
12609 value pseudo which CSE expects.
12610 * cse.c (struct set): New entry orig_src.
12611 (cse_insn): Set it early on entry, use it for libcall EQUIV note
12614 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
12616 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
12618 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
12620 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
12622 1999-12-08 Jakub Jelinek <jakub@redhat.com>
12624 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
12625 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
12627 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
12630 * longlong.h: Merge in changes from glibc.
12631 Also don't clobber %g2 register in 32bit SPARC assembly, so that
12632 -mno-app-regs libgcc can be compiled.
12633 * libgcc2.c: Add defines so that the updated longlong.h
12634 can be used in libgcc2.a. Also, make sure on most architectures
12635 (at least on all which have optimized code in longlong.h defined
12636 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
12638 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12640 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
12641 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
12642 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
12644 * configure: Rebuilt.
12646 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
12648 * alpha.c (secondary_reload_class): For !BWX, sub-simode
12649 outputs require a register.
12651 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
12653 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
12654 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
12655 functions like dptoul will be resolved.
12656 (libgcc2.a): Make sure that the object files from DPBIT are named
12657 differently (prefix `_dp') from those that would be coming from
12660 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
12662 * configure.in: When target is sparc* and tm_file contains 64,
12663 test for 64bit support in assembler. If not supported, remove
12664 sparc/t-sol2-64 from target-dependent Makefile fragments.
12665 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
12666 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
12667 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
12668 * acconfig.h (AS_SPARC64_FLAG): Added.
12669 * configure, config.in: Rebuilt.
12670 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
12671 support. Use AS_SPARC64_FLAG.
12673 1999-12-07 Jakub Jelinek <jakub@redhat.com>
12675 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
12676 suitable for holding OFmode values so that gcc works with complex
12678 (hard_64bit_mode_classes): Likewise.
12680 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
12681 so that it is actually matched.
12682 (sethi_di_medlow): Likewise.
12684 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
12685 as legitimate constant if -mvis.
12686 * config/sparc/sparc.md (movtf): Likewise.
12687 (clear_sf): Use const_double_operand.
12688 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
12690 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
12691 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
12692 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
12693 routines, _Qp_* cannot be handled like that now.
12694 (INIT_TARGET_OPTABS): Likewise.
12695 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
12696 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
12697 sparc_emit_float_lib_cmp if ARCH64 and soft float.
12698 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
12699 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
12700 divtf3, sqrttf3): New expanders.
12701 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
12702 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
12703 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
12706 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
12707 * configure: Rebuilt.
12708 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
12709 -mcpu is given and we're doing 64bit compiles.
12711 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
12713 * loop.h (struct induction): Add multi_insn_incr.
12714 * loop.c (basic_induction_var): New multi_insn_incr argument.
12715 Set it if we search back through previous insns for the biv.
12716 (record_biv): New multi_insn_incr argument; fill in struct induction.
12717 (strength_reduce): Discard an iv with multiple bivs, any of
12718 which require multiple insns to increment.
12720 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12722 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
12725 1999-12-06 David S. Miller <davem@redhat.com>
12727 * combine.c (check_promoted_subreg): Do not conditionalize this upon
12728 PROMOTE_FUNCTION_RETURN.
12730 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
12732 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
12733 and handle REG_UNUSED note on insn.
12735 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
12736 inner_mask instead of mask.
12738 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
12740 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
12741 zero if there was an error.
12743 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12745 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
12748 * longlong.h: Fix clobbers in SPARC asm statements.
12750 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
12751 valid sethi operations when TARGET_ARCH64.
12753 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
12754 always use move_by_pieces to avoid infinite recursion.
12755 (restore_fixed_argument_area): Likewise.
12757 * combine.c (check_promoted_subreg, record_promoted_value): New
12759 (combine_instructions): Use them to retain nonzero and sign bit
12760 information after SUBREGs are eliminated by optimizations in
12761 this pass if PROMOTE_FUNCTION_RETURN.
12763 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
12764 .register declaration. Don't use variables with __ prefixes.
12766 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12768 * fold-const.c (optimize_bit_field_compare): Only use one mode
12769 for both RHS and LHS in non-constant case.
12771 1999-12-06 Nathan Sidwell <nathan@acm.org>
12773 * frame.c (start_fde_sort): Only allocate erratic array, if
12774 linear one was allocated. Return allocated flag.
12775 (fde_insert): Only insert, if there's a valid array.
12776 (fde_end_sort): Split, sort and merge if linear and erratic
12777 arrays exist, else just sort linear one.
12778 (search_fdes): New function. Linear search through original fde
12780 (frame_init): Permit multiple initializations. Cope with
12782 (find_fde): Fallback on linear search, if failed to sort array.
12783 (__deregister_frame_info): Only free sorted array, if we
12786 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12788 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
12790 1999-12-05 Jakub Jelinek <jakub@redhat.com>
12792 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
12794 1999-12-05 Mark Mitchell <mark@codesourcery.com>
12796 * tree.h (special_function_p): Declare.
12797 * calls.c (special_function_p): Make it global. Don't take `name'
12798 as a parameter. Fix typo in 1999-11-28 change.
12799 (expand_cal): Adjust.
12801 1999-12-04 Mark Mitchell <mark@codesourcery.com>
12803 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
12804 * tree.h (EXPR_WFL_FILENAME): Define in terms of
12805 EXPR_WFL_FILENAME_NODE.
12806 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
12808 * print-tree.c (print_note): Print TREE_PRIVATE and
12811 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
12812 the original die cannot be found.
12814 * varray.h (varray_head_tag): Add elements_used.
12815 (VARRAY_PUSH): New macro.
12816 (VARRAY_POP): Likewise.
12817 (VARRAY_TOP): Likewise.
12818 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
12820 * varray.c (varray_init): Initialize elements_used.
12821 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
12822 (INTEGRATE_H): New variable.
12823 (integrate.o): Depend on INTEGRATE_H.
12824 (unroll.o): Likewise.
12826 * function.h (insert_block_after_note): Declare.
12827 * function.c (insert_block_after_note): Split out from ...
12828 (retrofit_block): ... here.
12830 * stmt.c (expand_fixup): Fix typo in comment.
12832 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12834 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
12835 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
12836 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
12837 (regmove_optimize, fixup_match_1): Likewise.
12839 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12841 * flow.c (flow_loops_dump): Add missing argument when calling
12842 flow_loop_nested_p.
12844 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
12845 Greg McGary <gkm@gnu.org>
12847 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
12848 (init_attributes): Add A_NO_LIMIT_STACK.
12849 (decl_attributes): Handle A_NO_LIMIT_STACK.
12850 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
12851 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
12852 Handle stack bounds checking.
12853 * flags.h (flag_stack_check): Use the word 'probe' rather than
12854 'check', because the flag doesn't actually cause any checking to
12856 * function.c (expand_function_start): Set
12857 current_function_limit_stack.
12858 * function.h (struct function): Add limit_stack.
12859 (current_function_limit_stack): Define.
12860 * invoke.texi (Code Gen Options): Document new options.
12861 * rtl.h: Declare stack_limit_rtx.
12862 * toplev.c (stack_limit_rtx): New variable.
12863 (decode_f_option): Handle new options -fstack-limit-register=REG,
12864 -fstack-limit-symbol=IDENT, -fno-stack-limit.
12865 (main): Add stack_limit_rtx as GC root.
12866 * tree.h (DECL_NO_LIMIT_STACK): New macro.
12867 (struct tree_decl): New member no_limit_stack.
12869 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
12871 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
12872 (conditional_trap+1): Get new mnemonic correct.
12873 (conditional_trap+2): New pattern for DImode traps.
12875 * config/m68k/m68k.c (output_function_prologue): Handle
12877 * config/m68k/m68k.md (trap): New insn.
12878 (conditional_trap): New insn.
12879 * md.texi (Standard Names): Document `trap' and
12880 `conditional_trap'.
12881 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
12882 so a cc0 setter doesn't get emitted at some random place in the
12885 * config/i960/i960.md (trap): New insn.
12886 (conditional_trap): New expander.
12887 (conditional_trap+1, conditional_trap+2): New insns for signed
12888 and unsigned cases.
12889 * config/i960/i960.c (i960_function_prologue): Use
12890 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
12892 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
12893 Geoffrey Keating <geoffk@cygnus.com>
12895 * flags.h (warn_padded, warn_packed): Add global var decls.
12896 * toplev.c (warn_padded, warn_packed): Add global var defns.
12897 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
12898 * stor-layout.c (layout_record): Add local variable `type'
12899 to hold often-used TREE_TYPE (field). Add local variable
12900 `unpacked_align' to hold alignment that would be in force
12901 if no `packed' attribute were present. Warn if `packed' attribute
12902 is unnecessary, or even harmful. Warn when gcc inserts padding
12903 to satisfy alignment requirements of members. Use NULL_TREE
12904 when checking whether var_size is set.
12905 * invoke.texi: Document new flags.
12907 1999-12-03 Nathan Sidwell <nathan@acm.org>
12909 * frame.c (fde_split): Reimplement to avoid variable sized array.
12911 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12913 * combine.c (try_combine): Before fixing up LOG_LINKS for the
12914 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
12916 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
12918 * invoke.texi: Document the mips option -mno-crt0
12920 1999-12-02 Mike Karr <mkarr@mathworks.com>
12922 * cccp.c (argdata): Added free_ptr member.
12923 (macroexpand): Initialize free_ptr of each argument. When an
12924 argument's buffers are freed, if the argument's free_ptr corresponds
12925 to a buffer on the input stack, then return the free_ptr to that stack
12926 frame, otherwise, free it.
12927 (macarg): If an argument begins and ends on the same input stack level,
12928 then transfer the free_ptr of that buffer to the argument in case
12929 the stack is popped during the processing of a subsequent argument.
12931 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
12933 * loop.c (note_reg_stored): New function.
12934 (struct note_reg_stored_arg): New structure.
12935 (try_copy_prop): Change to be more conservative; only replace within
12936 one extended basic block and stop replacing if a store to the
12937 replacement reg is seen.
12939 1999-12-02 Nick Clifton <nickc@cygnus.com>
12941 * config/fp-bit.c: Initialise all fields of the NAN
12944 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
12947 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
12949 * i386.md (extend?f?f2): Force the input into a register, not
12952 1999-12-01 Jakub Jelinek <jakub@redhat.com>
12954 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
12956 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
12957 alternative because setting up 64bit constant is usually costly,
12958 especially when reload is in progress or completed.
12959 (movdf_const_intreg_sp64): Likewise.
12960 (movdf_const_intreg split): Fix building up constants when
12961 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
12963 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
12965 * combine.c (if_then_else_cond): Use const_true_rtx instead of
12966 const1_rtx for return values in EQ/NE comparison against (const_int 0)
12969 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
12970 (asm_file_start): Emit .am33 into assembly file when compiling for
12972 (print_operand_address): Handle POST_INC addresses.
12973 (can_use_return_insn, initial_offset): Check AM33 registers too.
12974 (expand_prologue): Check & save AM33 registers too.
12975 (expand_epilogue): Similarly.
12976 (secondary_reload_class): Handle AM33 specific secondary reloads.
12977 (output_tst): Emit efficient code for the AM33 too.
12978 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
12979 (TARGET_SWITCHES): Add -mam33 switch.
12980 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
12981 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
12982 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
12983 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
12984 (enum reg_class, REG_CLASS_NAMES): Likewise.
12985 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
12986 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
12987 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
12988 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
12989 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
12990 (HAVE_POST_INCREMENT): Define.
12991 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
12992 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
12993 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
12994 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
12995 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
12996 (zero_extend to SI from QI/HI): Likewise.
12997 (sign_extend to SI from QI/HI): Likewise.
12998 (mulsidi3, umulsidi3): New patterns for the AM33.
12999 (tstsi with zero extension from QI/HI): Add AM33 variants.
13000 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13001 (return_internal_regs, store_movm): Handle new AM33 registers.
13002 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13003 (LIBGCC, INSTALL_LIBGCC): Likewise.
13004 * invoke.texi: Document new flags.
13006 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13008 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13009 (addsi3_carry): Likewise.
13010 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13011 (sbbsi3_carry): Likewise.
13012 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13013 (mulhi3): Likewise.
13014 (test?i_1): Ensure that only one operand is memory.
13015 (conditional move patterns): likewise.
13016 (shift and rotate patterns): Rewrite to expander, add
13017 "binary_operator_ok" to the condition.
13019 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13020 * i386.h (procesor_costs): Add movzbl_load field.
13021 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13022 non-Q registers, accept DImode registers anywhere.
13024 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13025 * i386.c (*_cost): Set value for movxbl_load field.
13027 * (addsi): New add to lea splitter.
13028 (ashlsi): Likewise.
13029 (lea to add/shift peep2): New.
13031 1999-12-01 Mark Salter <msalter@cygnus.com>
13033 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13034 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13035 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13037 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13039 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13040 * i386.md (movsi_xor): New.
13042 (movsi_1, movhi_1, movqi_1): Remove.
13043 (movsi_2): Rename to movsi_1.
13044 (movhi_2): Rename to movhi_1.
13045 (movqi_2): Rename to movqi_1.
13046 (movdi_1): Remove; remove splitter.
13047 (movdi_2): Rename to movdi_1.
13048 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13049 (long move peep2): Do not create QI or HI mode mov0s
13050 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13052 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13055 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13056 (abs?f2_if): Likewise.
13058 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13060 * ggc.h (ggc_test_and_set_mark): New macro.
13061 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13062 (ggc_mark_tree): Likewise.
13063 (ggc_mark_rtvec): Likewise.
13064 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13066 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13068 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13070 (decl_scope_table): Just an array of trees now.
13071 (push_decl_scope): Simplify.
13072 (dwarf2out_init): Adjust.
13073 (local_scope_p): New fn.
13074 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13075 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13076 (gen_typedef_die): Likewise.
13077 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13078 (gen_inlined_subroutine_die): Likewise.
13079 (gen_abstract_function): Set current_function_decl temporarily.
13080 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13081 Handle block extern declarations. Don't call push/pop_decl_scope.
13082 (gen_decl_die): Fix logic for block externs.
13084 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13086 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13087 to the list of functions which have attribute malloc by default.
13089 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13091 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13092 integer constant does not match the traditional type, limit the
13093 warnings to cases where the base of the type is ten.
13095 * invoke.texi (-Wtraditional): Document it.
13097 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13099 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13100 * rs6000.md: Only access a CONST_INT with INTVAL
13102 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13104 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13105 (compute_nearerout): Likewise.
13106 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13107 size_t to unsigned long for formatting.
13109 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13111 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13112 Allow the user to override call-used/fixed state of %g2-5
13113 registers from the command line (with the exception of %g4 for
13115 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13116 there is a higher chance of having a leaf function.
13117 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13118 for ARCH64 which has %ccr register.
13119 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13121 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13122 insn accept into delay slot any insn which does not use %[ol]
13123 registers. Accept some LO_SUM and shift left by 1 for the normal
13125 (output_function_epilogue): Likewise.
13126 (epilogue_renumber): Added argument which inhibits any renumbering
13127 and just tests if the rtx does not use any %[ol] registers.
13128 (output_return): Reflect above change.
13130 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13132 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13133 aggregate passing for sizes <= 16 bytes.
13135 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13137 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13138 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13139 * reload.c (find_dummy_reload): Likewise.
13140 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13141 * reload1.c (reload_as_needed): Likewise.
13142 * stupid.c (stupid_find_reg): Likewise.
13143 * tm.texi (Obsolete Register Macros): Delete section.
13144 * gmicro.h: Remove all traces of the two macros.
13145 * i386.h: Likewise.
13146 * m88k.h: Likewise.
13147 * mips.h: Likewise.
13149 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13151 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13152 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13153 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13154 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13155 units for the sparclite86x chip.
13156 (flush): Revert October 14th change; add SImode specifically.
13157 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13158 * invoke.texi: Document it.
13160 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13162 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13163 psimode_truncation_operand.
13165 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13166 function. Return true if the operand is either a MEM valid
13167 for a PSImode address or not a MEM at all.
13169 * config/mn10200/mn10200.md (truncsipsi2): Use
13170 psimode_truncation_operand.
13172 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13174 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13175 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13176 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13177 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13178 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13179 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13180 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13181 * basic-block.h: Protect from multiple inclusion.
13182 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13183 (struct loops, struct loop): Define structures.
13184 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13185 * sbitmap.h: Protect from multiple inclusion.
13186 (sbitmap_a_subset_b_p): Add prototype.
13187 * Makefile.in (LOOP_H): New macro.
13188 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13190 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13192 * cppinit.c (CAT): The argument list of this macro may not contain
13195 1999-11-29 David S. Miller <davem@redhat.com>
13197 Move quantity tables and register equivalence chains into
13198 per-qty and per-register structure arrays respectively.
13199 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13200 qty_const_insn, qty_comparison_code, qty_comparison_const,
13201 qty_comparison_qty): Delete, replace with...
13202 (qty_table): this structure table.
13203 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13204 (reg_eqv_table): this structure table.
13205 (make_new_qty): Add argument MODE. Caller updated.
13206 Update to use qty_table and reg_eqv_table.
13207 (make_regs_eqv, delete_reg_equiv, insert_regs,
13208 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13209 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13210 cse_process_notes, cse_main, cse_basic_block): Likewise.
13212 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13214 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13215 operation if C is negative.
13216 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13217 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13218 law for some divisions if constant is negative and change other
13219 divisions to the opposite rounding.
13221 * expr.c (store_constructor_field): If bit position is not multiple
13222 of alignment of TARGET's mode, use BLKmode.
13224 * expr.c (expand_expr_unaligned): Add more code from full case
13225 that is needed when OP0 is in a register.
13227 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13229 * dwarfout.c (field_byte_offset): Size can be zero if there was
13232 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13234 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13235 (associate_trees): Delete unused var TEM.
13236 (extract_muldiv): Delete unused var CANCEL_P.
13238 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13239 (target_isinf, target_isnan, target_negative): Add return types to
13240 function definitions.
13242 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13244 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13245 * fixinc/hackshell.tpl: ditto
13246 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13247 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13249 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13251 * reload.c (push_reload): When looking for a register to put into
13252 reg_rtx, make sure all hard regs in a multi-reg register are in the
13253 right class and nonfixed.
13255 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13256 pending_read_insns, pending_write_insns, pending_read_mems,
13257 pending_write_mems, pending_list_length, last_pending_memory_flush,
13258 last_function_call, sched_before_next_call): Move static variables
13260 (bb_ prefixed versions): Replace with single array bb_deps.
13261 (struct deps): New structure.
13262 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13263 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13264 argument of type "struct deps *"; use that instead of global
13265 variables. All callers changed.
13266 (init_rgn_data_dependencies): Delete function.
13267 (init_rtx_vector): Delete function.
13268 (init_deps): New function.
13270 (free_pending_lists): Simplify, we always use the bb_deps array even
13271 if only one basic block.
13272 (compute_block_backward_dependences): Likewise.
13273 (schedule_region): Likewise.
13275 (propagate_deps): New function, broken out of
13276 compute_block_backward_dependences.
13277 (compute_block_backward_dependences): Use it.
13279 * alpha.md: Delete useless patterns that tried to work around
13280 register elimination problems.
13282 * unroll.c (loop_iterations): Don't abort if iteration variable
13285 From Joern Rennecke:
13286 * reload1.c (reloads_conflict): Reverse test comparing operand
13287 numbers when testing for conflict between output/outaddr reloads.
13289 1999-11-29 David S. Miller <davem@redhat.com>
13291 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13293 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13295 1999-11-28 Robert Lipe <robertl@cygnus.com>
13297 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13298 table from .fini into .dtor.
13300 1999-11-28 Anthony Green <green@cygnus.com>
13302 * tree.h (struct tree_decl): Add malloc_flag.
13303 (DECL_IS_MALLOC): Define.
13304 * c-common.c (attrs): Add A_MALLOC attribute.
13305 (init_attributes): Add this attribute to the table.
13306 (decl_attributes): Handle malloc attribute.
13307 * calls.c (special_function_p): Check for the malloc attribute.
13308 * extend.texi (Function Attributes): Document malloc attribute.
13310 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13312 * pa.md (reload shift-add patterns): Remove.
13314 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13316 * reorg.c (dbr_schedule) Print more statistics. Corrected
13317 problem when printing info when 3 delay slots are filled.
13319 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13321 * combine.c (setup_incoming_promotions): Pass an outgoing
13322 regno to FUNCTION_ARG_REGNO_P which it expects.
13324 1999-11-28 Andreas Jaeger <aj@suse.de>
13326 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13328 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13330 * cccp.c (do_include): Avoid initialization of automatic variable.
13332 * integrate.c (mark_stores): Function definition made void, to match
13333 previous declaration.
13334 * regclass.c (dump_regclass): Ditto.
13335 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13337 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13339 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13340 known to be multiple of divisor.
13342 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13344 * combine.c (try_combine): Add code to try to merge a set of a
13345 two-word pseudo to a constant with a setting of one of those words
13348 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13349 (split_tree): Completely rework to make more general.
13350 (make_range, fold): Call negate_expr.
13351 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13352 (fold, associate): Call new split_tree and associate_trees.
13353 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13355 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13357 * loop.c (try_copy_prop): Avoid GNU C extension.
13359 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13361 * except.c (init_eh_for_function): Still zero eh_return_context,
13362 eh_return_stack_adjust, and eh_return_handler.
13364 * except.h (eh_status): Adjust documentation for x_protect_list.
13365 (begin_protect_partials): New function.
13366 * except.c (enqueue_eh_entry): Fix formatting.
13367 (get_first_handler): Add consistency check.
13368 (add_partial_entry): Adjust usage of protect_list.
13369 (emit_cleanup_handler): Save and restore ehqueue.
13370 (expand_start_all_catch): Add comment.
13371 (begin_protect_partials): New function.
13372 (end_protect_partials): Adjust usage of protect_list.
13373 (init_eh_for_function): Use xcalloc.
13375 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13377 * c-common.c (check_format_info): Don't call a variadic function
13378 with a non-literal format string.
13380 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13382 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13383 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13386 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13389 * collect2.c (collect_wait): Likewise.
13391 * dbxout.c (dbxout_type): Likewise.
13393 * gcc.c (do_spec_1): Likewise.
13395 * genemit.c (gen_insn, gen_expand): Likewise.
13397 * genrecog.c (write_switch, write_subroutine): Likewise.
13399 * mips-tfile.c (catch_signal, botch): Likewise.
13401 * print-rtl.c (print_rtx): Likewise.
13403 * toplev.c (default_print_error_function, report_error_function,
13404 _fatal_insn): Likewise.
13406 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13408 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13410 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13412 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13413 operations when needed.
13414 * i386.md (fop_?f_comm): New.
13415 (fop_?f_1): Do not accept commutative operands.
13417 1999-11-25 Andreas Jaeger <aj@suse.de>
13419 * config/mips/mips.md (casesi_internal): Add missing brace.
13421 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13423 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13424 (splice_child_die): Handle moving a child DIE from the declaration
13425 DIE of a class to its specification.
13426 (gen_struct_or_union_type_die): Use 'complete' consistently.
13427 (gen_decl_die): Generate the virtual context DIE first.
13428 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13430 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13432 * config/mips/mips.md (call_value_multiple_interanal1): New.
13434 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13436 * dwarf2out.c (free_AT, free_die): New fns.
13437 (remove_children): Call them.
13438 (output_line_info): Disable removal of duplicate notes.
13440 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13441 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13442 means pretend the type isn't defined.
13443 Don't defer emitting types.
13444 (gen_type_die_for_member): New fn.
13445 (gen_decl_die): Call it.
13446 (splice_child_die): New fn.
13447 (gen_member_die): Call it rather than generate duplicate dies.
13449 Defer emitting information for the abstract instance of an inline
13450 until we either inline it or emit an out-of-line copy.
13451 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13452 from output_inline_function if DECL_ABSTRACT is also set.
13453 (block_ultimate_origin): Likewise.
13454 (gen_abstract_function): New fn.
13455 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13456 (gen_subprogram_die): An abstract instance is not a declaration
13457 just because it doesn't match current_function_decl. Don't abort
13458 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13459 has an abstract origin.
13460 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13461 abstract instance here.
13463 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13465 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13466 where we need to reload fpul from a system register.
13468 1999-11-24 Andreas Jaeger <aj@suse.de>
13470 * config/mips/linux.h (CPP_PREDEFINES): Added.
13471 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13473 1999-11-24 Andreas Jaeger <aj@suse.de>
13475 * config/mips/linux.h (TARGET_VERSION): Added.
13476 (HANDLE_SYSV_PRAGMA): Added.
13477 (DEFAULT_VTABLE_THUNKS): Added.
13479 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13481 * local-alloc.c (qty): New structure and static variable.
13482 (qty_phys_reg): Remove, all references changed to qty.
13483 (qty_n_refs): Likewise.
13484 (qty_min_class): Likewise.
13485 (qty_birth): Likewise.
13486 (qty_death): Likewise.
13487 (qty_size): Likewise.
13488 (qty_mode): Likewise.
13489 (qty_n_calls_crossed): Likewise.
13490 (qty_alternate_class): Likewise.
13491 (qty_changes_size): Likewise.
13492 (qty_first_reg): Likewise.
13493 (alloc_qty): Rename variable QTY to QTYNO.
13494 (finf_free_reg): Likewise.
13495 (local_alloc): Allocate qty, do not allocate the removed variables.
13497 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13499 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13500 when -membedded-pic is passed.
13502 * config/mips/mips.md (casesi): Handle 64-bit case too.
13503 (casesi_internal_di): New insn.
13505 * config/mips/mips.c (embedded_pic_offset): Always make the
13506 embedded-pic subtractions relative to the name of the current
13507 function by use of the magic string "..CURRENT_FUNCTION".
13508 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13510 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13512 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13513 of (const_int 0), when what we really care about is
13514 whether it's a zero constant anyway.
13515 (div_trap_mips16): Likewise.
13517 1999-11-23 Mark Mitchell <mark@codesourcery.com>
13519 * loop.c (loop_optimize): Always find_loop_tree_blocks and
13520 unroll_block_trees when generating debuggable code.
13522 * tree.h (unsave_expr_1): New function.
13523 (lang_unsave): New variable.
13524 (get_callee_fndecl): New function.
13525 * tree.c (unsave_expr_now_r): New function.
13526 (lang_unsave): Define.
13527 (unsave_expr_1): Likewise.
13528 (unsave_expr_now_r): Split out from unsave_expr_now.
13529 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
13530 call unsave_expr_now_r.
13531 (get_callee_fndecl): Define.
13533 * Makefile.in (gencheck): Don't depend on lang_tree_files.
13534 (gencheck.o): Do depend on lang_tree_files.
13536 * integrate.h (copy_decl_for_inlining): New declaration.
13537 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
13538 (copy_decl_for_inlining): New function.
13539 (integrate_parm_decls): Use it.
13540 (integrate_decl_tree): Likewise.
13542 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
13544 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
13545 the second two from the first.
13546 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
13547 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
13548 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13550 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
13551 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13554 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
13556 * pa.md (call_internal_symref, call_value_internal_symref): No mode
13557 needed on the address operand.
13558 * pa.c (call_operand_address): Check for the correct mode.
13560 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
13562 * loop.c: Include "basic-block.h".
13563 (try_copy_prop, replace_loop_reg): New functions.
13564 (load_mems): Detect registers that just hold copies of the hoisted
13565 mem, and call try_copy_prop to eliminate them.
13566 * Makefile.in (loop.o): Update dependencies.
13568 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
13570 * Makefile.in (gencheck.o): Depend on gencheck.h.
13571 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
13572 (insn-peep.o): Depend on except.h and function.h.
13573 (insn-attrtab.o): Depend on RECOG_H.
13574 (insn-output.o): Depend on toplev.h and flags.h.
13575 (gengenrtl.o): Depend on real.h.
13576 (gen-protos.o): Depend on cpplib.h and cpphash.h.
13577 Unify all dependencies to be on RECOG_H rather than recog.h.
13579 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13581 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
13582 * configure.in: Try building a bi-arch 32/64-bit compiler on
13583 sparc-*-solaris2.7 and higher.
13584 * configure: Rebuild.
13586 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
13588 * config/freebsd.h: New, FreeBSD architecture independent file.
13589 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
13590 independent pieces.
13591 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
13592 directly by i386/freebsd.h.
13593 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
13594 independent configuration file.
13595 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
13596 directly by i386/freebsd.h.
13597 * configure: Rebuilt.
13599 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
13600 which is in the user's namespace.
13601 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
13602 `i386' which is not in our namespace.
13604 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
13606 * invoke.texi (ARM Options): Add in -mno-alignment-traps
13608 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13610 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
13611 (add_dwarf_attr, add_child_die): Just push onto the front.
13612 (reverse_die_lists): New fn.
13613 (add_sibling_attributes): Use it.
13614 (push_decl_scope): Reorganize.
13615 (add_name_and_src_coords_attributes): Don't set file and line for
13616 an artificial decl.
13617 (gen_subprogram_die): An artificial function doesn't need to match
13619 (gen_compile_unit_die): Return the generated die. Only add
13620 AT_comp_dir if the filename is relative.
13621 (remove_AT): Simplify loop. Also free string values.
13622 (output_die): A DIE ref can't be null.
13623 (output_value_format, value_format): Take a dw_attr_ref.
13624 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
13625 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
13626 AT_addr, AT_lbl): New fns.
13627 (various): Use them.
13628 (various): Constify.
13630 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13632 * combine.c (combine_simplify_rtx): When handling a SUBREG,
13633 take SUBREG_WORD into account.
13634 (if_then_else_cond): Likewise.
13636 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13638 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
13639 clause from BSD license, pursuant with
13641 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
13643 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
13645 * loop.c (load_mems): Reformat slightly.
13646 * basic-block.h (regset_head): New typedef.
13647 (INIT_REG_SET): New macro.
13649 1999-11-22 Bruce Korb <autogen@linuxbox.com
13651 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
13652 (mips-dec-bsd*): non-functional code
13653 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
13655 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
13656 added three replacement fixes
13657 (no_double_slash): removed comments that are not (any longer) pertinent
13658 (bad_lval): this fix currently runs against many files.
13659 The comment seems to indicate that we should select for files
13660 containing 'pragma extern_prefix'.
13662 * fixinc/fixinc.x86-linux-gnu: deleted
13663 * fixinc/inclhack.sh: regen
13664 * fixinc/fixincl.x: regen
13665 * fixinc/fixincl.sh: regen
13667 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
13669 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
13670 its code is INSN and it has no notes.
13672 1999-11-22 Andrew Haley <aph@cygnus.com>
13674 * varasm.c (function_defined): Remove.
13675 (make_function_rtl): Don't set function_defined.
13676 (make_decl_rtl): Remove global register warning.
13677 * regclass.c (no_global_reg_vars): New variable.
13678 (globalize_reg): Warn if function has already been defined.
13679 (regclass_init): Set no_global_reg_vars.
13681 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13683 * regclass.c (reg_pref): New structure and static variable
13684 (prefclass): Delete.
13685 (altclass): Delete.
13686 (all uses of prefclass and altclass): Use reg_pref instead.
13688 1999-11-21 Nick Clifton <nickc@cygnus.com>
13690 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
13692 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
13693 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13694 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13696 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
13698 * varasm.c (output_constructor): Solve problem with long long
13699 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
13701 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13703 * global.c (allocno): New structure and static variable.
13704 (allocno_reg): Remove, all references replaced by allocno.
13705 (allocno_size): Likewise.
13706 (hard_reg_conflicts): Likewise.
13707 (hard_reg_preferences): Likewise.
13708 (hard_reg_copy_preferences): Likewise.
13709 (hard_reg_full_preferences): Likewise.
13710 (regs_someone_prefers): Likewise.
13711 (allocno_calls_crossed): Likewise.
13712 (allocno_n_refs): Likewise.
13713 (allocno_live_length): Likewise.
13714 (find_reg): Rename ALLOCNO to NUM.
13716 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
13717 references updated.
13718 (may_move_out_cost): New variable.
13719 (init_reg_sets_1): Initialize may_move_out_cost.
13720 (record_reg_classes): Use may_move_out_cost.
13722 * regclass.c (dump_regclass): New function.
13723 (regclass): New parameter DUMP, call DUMP_REGCLASS.
13724 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
13725 pass rtl_dump_file to regclass.
13726 * rtl.h (regclass): Update prototype.
13728 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13730 * i386.md (neg, not and abs patterns): Revmap to use
13731 ix86_expand_unary_operator and ix86_unary_operator_ok.
13732 (add?f and sub?f expanders): Force operand 1 to register.
13733 * i386.c (ix86_expand_unary_operator): Rewrite.
13734 (ix86_unary_operator_ok): Ensure that memory operands
13736 (ix86_binary_operator_ok): Do not allow operand 1 to
13737 come into memory and operand 0 not.
13738 (ix86_expand_binary_operator): Ensure that
13739 src1 is not non-matching memory.
13741 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
13742 to support integer registers and memory.
13743 (abss?2_integer): Likewise.
13745 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
13746 (REG_CLASS_NAMES): Likewise.
13747 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
13749 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
13750 (movsf): Likewise; unify 4th and 5th alternative.
13751 (pushdf): Likewise.
13752 (movdf_1): Likewise; rename to movdf_integer.
13753 (pushxf): Likewise; rename to pushxf_integer; fix output template;
13754 remove redundant splitter.
13755 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
13756 (movdf_nointeger): New.
13757 (movxf_nointeger): New.
13758 (pushxf_nointeger): New.
13760 * i386.md (extend?f?f): Split to expander and pattern, refuse two
13761 memory operands in patterns.
13762 (fop*): Refuse two memory operands.
13764 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
13765 on !TARGET_USE_CLTD CPUs.
13767 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
13769 * extend.texi: Document C++ restricted pointers and references.
13771 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
13773 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
13774 (invalidate_skipped_set): Call it unconditionally.
13775 (cse_set_around_loop): Likewise.
13777 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13779 * rtl.texi (mem): Add documentation for alias-set argument
13782 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13784 * i386.h (struct_processor_costs): New fields int_load, int_store,
13785 fp_move, fp_load and fp_store
13786 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
13788 (MEMORY_MOVE_COST): New macro.
13789 * i386.c (386_cost): Define new fields.
13790 (i486_cost): Likewise.
13791 (pentium_cost): Likewise.
13792 (pentiumpro_cost): Likewise.
13793 (k6_cost): Likewise.
13795 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
13796 Geoffrey Keating <geoffk@cygnus.com>
13798 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
13800 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
13803 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
13804 (TARGET_STRICT_ALIGNMENT): New macro.
13805 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
13806 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
13807 * invoke.texi (M680x0 Options): Document -mstrict-align.
13809 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
13810 Richard Henderson <rth@cygnus.com>
13812 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
13813 (ix86_split_long_move): Declare.
13814 * i386.c (split_xf, ix86_split_movdi): Remove.
13815 (ix86_split_to_parts, ix86_split_long_move): New.
13816 * i386.md (dimode move splitters): Use ix86_split_long_move.
13817 (dfmode move splitters): Likewise.
13818 (xfmode move splitters): Likewise.
13819 (movsf_1): Allow F->r.
13820 (movdf_1, movxf_1): Allow F->ro.
13822 1999-11-17 Mark Mitchell <mark@codesourcery.com>
13824 * except.h (struct eh_entry): Add goto_entry_p.
13825 (eh_region_from_symbol): Remove prototype.
13826 * except.c (find_func_region_from_symbol): New function.
13827 (emit_cleanup_handler): Likewise.
13828 (eh_region_from_symbol): Make it static.
13829 (add_new_handler): Verify the argument.
13830 (find_func_region): Update comment.
13831 (expand_eh_region_end): Expand handlers here, rater than waiting
13832 until expand_leftover_cleanups or start_all_catch.
13833 (expand_leftover_cleanups): Don't expand here.
13834 (expand_start_all_catch): Or here.
13835 (expand_rethrow): Check the return value from find_func_region.
13836 * function.c (expand_function_end): Emit the catch_clauses.
13838 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
13840 * integrate.c (expand_inline_function): Add necessary check for NULL.
13842 1999-11-18 Nick Clifton <nickc@cygnus.com>
13844 * toplev.c (main): Correctly detect an unrecognised option.
13846 * cppinit.c (cpp_handle_option): Do not claim to have consumed
13847 a -f option if it has not been recognised.
13849 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
13851 * basic-block.h (update_life_extent): Remove trailing comma on
13852 enumeration type list.
13854 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13856 * varasm.c (output_constructor) Solved problem with long long
13857 bitfields. Corrected calculating this_time and shift. Also
13858 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
13860 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
13862 * flow.c (split_edge): Take looping structure into account when
13863 determining where to put the new block note.
13865 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
13867 * Makefile.in (ggc-none.o): Provide host specific version if
13870 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
13872 * cse.c (delete_trivially_dead_insns): Identify no-op insns
13873 containing subregs too.
13875 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13877 * invoke.texi: Add documentation for -muninit-const-in-rodata.
13878 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
13879 (TARGET_UNINIT_CONST_IN_RODATA): Define.
13880 (text_section): Add switches -munint-const-in-rodata and
13881 -mno-uninit-const-in-rodata.
13882 (ASM_OUTPUT_COMMON): Remove.
13883 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
13884 const objects should be placed in read-only data. Otherwise declare
13887 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
13889 * jump.c (jump_optimize_1): Revert last change.
13891 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
13893 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
13894 test if optimizing for size.
13896 1999-11-17 Mark Mitchell <mark@codesourcery.com>
13898 * Makefile.in (toplev.o): Depend on except.h.
13899 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
13901 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13903 * i386.md (divmodsi4): Rewrite to expander.
13904 (*divmodsi4_nocltd): New.
13905 (*divmodsi4_cltd): New.
13906 (divmodsi4 splitter): Handle the case when input comes in edx.
13907 (udivmodhi4): Do not use constraints in exander.
13908 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
13910 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
13912 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
13913 for the common case.
13915 1999-11-16 Jakub Jelinek <jakub@redhat.com>
13917 * explow.c (hard_function_value): Add outgoing argument.
13918 * expr.h (hard_function_value): Declare it.
13919 * calls.c (expand_call, emit_library_call_value): Update callers.
13920 * function.c (aggregate_value_p): Ditto.
13921 (diddle_return_value): Must look at the outgoing registers
13922 on archs with register windows.
13924 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
13926 * alpha.c (alpha_build_va_list): Use make_lang_type and
13927 initialize TYPE_NAME for the va_list record.
13929 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
13931 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
13933 * ggc.h (struct ggc_statistics): Rearrange elements for better
13934 packing on 64-bit hosts.
13935 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
13936 (compute_nearerout): Likewise.
13938 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
13940 * config/rs6000/rs6000.c (first_reg_to_save): Save
13941 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
13943 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
13945 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
13946 notion of nesting to find the DIE for a type or function.
13947 DIEs can go in limbo even if we got a context_die.
13948 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
13949 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
13951 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
13952 (gen_type_die): Writing out the context doesn't cause member class
13953 template instantiations to be written out as well.
13955 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
13957 * rs6000.h (ASM_OUTPUT_DEF): New.
13958 Based on proposed addition from David Edelsohn.
13960 1999-11-15 Robert Lipe <RobertLipe@usa.net>
13961 Bruce Korb <autogen@linuxbox.com>
13963 * fixinc/inclhack.def
13964 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
13965 (unixware7_byteorder_fix): added. Removes conflicts for new defs
13967 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
13968 (svr4_endian): enabled with SVR5
13969 (svr4_mkdev): simplified syntax and enabled with SVR5
13971 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
13973 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
13974 * configure: Rebuilt.
13975 * config/t-freebsd-thread: New file.
13977 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
13979 * i386.c (ix86_decompose_address): Verify the base is a REG
13980 before trying to examine its register number.
13982 * basic-block.h: Remove all #defines and prototypes related to
13984 (free_bb_mem, compute_preds_succs): Remove prototype.
13985 * rtl.h (free_bb_mem): Remove prototype.
13986 * flow.c (alloc_int_list_node); Remove function.
13987 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
13988 (compute_preds_succs, free_bb_mem): Likewise.
13989 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
13990 * toplev.c (rest_of_compilation): Likewise.
13991 * haifa-sched.c (build_control_flow): Use flow generated edge
13992 list to build the haifa specific edge list.
13993 (find_rgns): Use new CFG data structures instead of pred/succ lists.
13994 (schedule_insns): Do not build pred/succ lists anymore. Instead
13995 build the edge table.
13997 * basic-block.h (dump_bb_data): Remove declaration.
13998 * flow.c (dump_bb_data): Remove function.
13999 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14000 (sbitmap_union_of_predsucc): Likewise.
14002 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14003 argument. All callers changed.
14004 (delete_null_pointer_checks_1): No longer need to compute the
14007 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14008 All callers changed.
14009 (pre_expr_reaches_here_p_work): Likewise.
14010 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14011 * lcm.c (compute_laterin): Fix initialization of LATER.
14012 (compute_nearerout): Similarly for NEARER.
14014 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14016 * cse.c (set_nonvarying_address_components): Delete unused function.
14017 (refers_to_p): Likewise.
14019 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14021 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14024 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14026 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14027 definition in do while (0).
14029 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14031 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14033 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14035 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14037 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14039 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14040 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14041 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14042 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14044 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14045 saved on the stack. Output more accurate stack frame statistics
14046 into assembler file.
14048 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14050 * genextract.c (record_insn_name): New function.
14051 (get_insn_name): No longer a stub.
14052 (main): Call record_insn_name for each insn. After each label
14053 written, print the insn name in a comment.
14055 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14057 * output.h (const_section, init_section, fini_section): Add
14060 * alpha/elf.h (const_section): Delete declaration.
14062 * svr4.h (const_section): Likewise.
14064 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14066 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14067 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14068 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14070 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14071 variable-sized array bounds.
14073 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14075 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14078 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14080 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14081 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14083 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14085 * cse.c (hash_arg_in_struct): Delete.
14086 (struct table_elt): Delete elt in_struct.
14087 (struct set): Delete elt src_in_struct.
14088 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14089 the corresponding in_struct elts.
14090 (canon_hash): Likewise.
14091 (safe_hash): Likewise.
14092 (find_best_addr): Likewise.
14093 (record_jump_cond): Likewise.
14094 (cse_insn): Likewise.
14096 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14098 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14100 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14103 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14105 * function.c (diddle_return_value): Put back check that the DECL_RTL
14106 for the function is a register.
14108 * function.c (diddle_return_value): Use hard_function_value to
14109 get an rtx suitable for use in the USE/CLOBBER insn.
14111 * global.c (global_conflicts): Update comments.
14112 (record_conflicts): No need to record conflicts between pseudos here.
14114 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14116 * fixinc/fixincl.c: Added verbose levels for status messages
14118 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14120 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14121 operand as argument to expand_and or expand_binop.
14123 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14125 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14126 gcc_add_string_root.
14128 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14130 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14132 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14134 * flow.c (compute_flow_dominators): Initially put all blocks on
14136 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14137 * gcse.c (compute_cprop_avinout): Remove.
14138 (compute_cprop_data): Use compute_available.
14139 (delete_null_pointer_checks_1): Use compute_available.
14141 * basic-block.h (compute_available): Returns a void now.
14142 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14143 to return a value anymore.
14144 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14145 worklists. Fix boundary cases. Compute maximal solutions.
14146 (compute_laterin, compute_nearerout): Similarly.
14148 * dwarf2out.c (add_AT_location_description): Allow
14149 (mem (plus (pseudo) (...)) too.
14151 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14153 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14155 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14156 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14158 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14160 * gansidecl.h: Likewise.
14166 * toplev.h: Likewise.
14168 * tree.c: Likewise.
14170 * tree.h: Likewise.
14172 * varray.c: Likewise.
14174 * varray.h: Likewise.
14176 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14178 * gcov.c (struct arcdata): Add hits and total, remove prob.
14179 (output_branch_counts): New.
14180 (process_args): Set output_branch_counts if -c.
14181 (calculate_branch_probs): Store hits and total instead of
14183 (output_data): Emit counts if output_branch_counts is true.
14184 * gcov.texi (Invoking Gcov): Document -c switch..
14186 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14188 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14189 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14191 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14193 * invoke.texi (C Dialect Options): Add missing builtins from
14194 c-common.c to list.
14195 * extend.texi (Other Builtins): Copy to this list.
14197 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14199 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14200 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14201 redundant bitmap.h.
14203 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14205 * flow.c (compute_flow_dominators): No longer treat basic block 0
14206 or (n_basic_blocks - 1) specially. Clear the AUX field before
14207 starting computation of doms/pdoms. Fix initial state for pdoms.
14209 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14211 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14212 match rtl.o's: added ggc.h and toplev.h
14213 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14214 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14215 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14217 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14219 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14220 from HAVE_DOS_BASED_FILESYSTEM.
14221 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14222 HAVE_DOS_BASED_FILESYSTEM.
14224 (split_directories): Only special-case DOS file names if
14225 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14226 instead of explicit tests. Conditionalize on !VMS.
14227 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14228 tests. Conditionalize on !VMS.
14229 (process_command): Only use make_relative_prefix if !VMS.
14230 (free_split_directories): Conditionalize on !VMS.
14231 (DIR_UP): Conditionalize on !VMS.
14233 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14235 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14237 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14239 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14242 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14244 * invoke.texi (Environment Variables): Document relative path
14246 * gcc.c (DIR_UP): If not defined, define as "..".
14247 (standard_bindir_prefix): New static, holds target location to
14249 (split_directories): New function to split a filename into
14250 component directories.
14251 (free_split_directories): New function, release memory allocated
14252 by split_directories.
14253 (make_relative_prefix): New function, make a relative pathname if
14254 the compiler is not in the expected location.
14255 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14256 can figure out an appropriate prefix from argv[0].
14257 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14258 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14259 STANDARD_BINDIR_PREFIX.
14261 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14263 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14265 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14266 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14267 c4x_secondary_memory_needed) Delete.
14268 (fp_zero_operand): Add mode argument.
14270 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14272 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14273 that is in reload_reg_used.
14275 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14277 * config/arm/arm-protos.h: New file: Prototypes for functions
14278 defined in arm.c and pe.c.
14279 * config/arm/arm.h: Fix compile time warnings.
14280 * config/arm/arm.c: Fix compile time warnings.
14281 * config/arm/pe.h: Fix compile time warnings.
14282 * config/arm/aout.h: Fix compile time warnings.
14284 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14286 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14289 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14290 Add support for subtargets.
14291 Add prototypes for new predicates.
14292 Add scheduling macros.
14294 * config/m32r/m32r.c: Fix compile time warnings.
14295 (int8_operand): New predicate function.
14296 (reg_or_cmp_int16_operand): New predicate function.
14297 (extend_operand): New predicate function.
14298 (m32r_adjust_code): New scheduling function.
14299 (m32r_adjust_priorty): New scheduling function.
14300 (m32r_sched_init): New scheduling function.
14301 (m32r_sched_reorder): New scheduling function.
14302 (m32r_sched_variable_issue): New scheduling function.
14303 (direct_return): New codegen function.
14304 (m32r_not_same_reg): New rtl testsing function.
14306 * config/m32r/m32r.md: Fix compile time warnings.
14307 Add support for pre decrement and post increment memory
14309 Add S<cc> patterns.
14312 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14314 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14315 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14316 (find_reg): Likewise.
14318 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14320 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14321 to avoid assembler errors.
14323 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14325 * config/v850/v850-protos.h: New file: Prototypes for functions
14327 * config/v850/v850.h: Move prototypes to v850-protos.h
14328 * config/v850/v850.c: Move prototypes to v850-protos.h
14329 * config/v850/v850.md: Fix compile time warnings.
14331 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14333 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14334 * config/fr30/fr30.c: Fix compile time warnings.
14335 * config/fr30/fr30.md: Fix compile time warnings.
14337 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14339 * tree.h (get_containing_scope): Declare it.
14340 * tree.c (get_containing_scope): New fucntion.
14341 (decl_function_context): Use it.
14342 * toplev.c (rest_of_compilation): Use get_containing_scope.
14344 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14346 * Makefile.in (rtl.o): Depend on toplev.h.
14348 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14350 * cse.c (delete_trivially_dead_insns): Replace alloca with
14352 * except.c (update_rethrow_references): Likewise.
14353 (init_eh_nesting_info): Likewise.
14354 * function.c (identify_blocks): Likewise.
14355 * gcse.c (dump_hash_table): Likewise.
14356 * graph.c (print_rtl_graph_with_bb): Likewise.
14357 * loop.c (combine_movables): Likewise.
14358 (move_movables): Likewise.
14359 (count_loop_regs_set): Likewise.
14360 (strength_reduce): Likewise.
14361 * profile.c (compute_branch_probabilities): New function, split
14363 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14364 * regclass.c (regclass): Likewise.
14365 * regmove.c (regmove_optimize): Likewise.
14366 * toplev.c (compile_file): Likewise.
14367 (main): Don't mess with the stack rlimit.
14369 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14371 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14372 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14374 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14376 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14378 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14380 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14381 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14384 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14386 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14388 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14390 * gcse.c (post_dominators): Kill.
14391 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14392 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14393 pass in a pdom array since we do not need pdoms.
14394 * haifa-sched.c (schedule_insns): Similarly.
14395 * flow.c (compute_dominators): Remove dead function.
14396 (compute_flow_dominators): Do not compute doms or pdoms if the
14397 caller does not request them. Split up loop to build doms and
14398 pdoms. Use a worklist to compute doms and pdoms.
14399 * basic-block.h (compute_dominators): Remove prototype.
14401 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14403 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14404 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14405 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14406 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14407 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14408 (schedule_region): Remove unused variable.
14409 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14411 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14413 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14414 (update_equiv_regs): Likewise.
14415 (block_alloc): Likewise.
14416 * reg-stack.c (reg_to_stack): Likewise.
14417 (convert_regs_2): Likewise.
14418 * reload1.c (reload_as_needed): Likewise.
14420 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14422 * Makefile.in (dbxout.o): Depend on ggc.h.
14423 (dwarf2out.o): Likewise.
14424 (xcoffout.o): Likewise.
14425 * dbxout.c: Include ggc.h.
14426 (dbxout_init): Register lastfile as a root.
14427 * dwarf2out.c: Include ggc.h.
14428 (dwarf2out_line): Register lastfile as a root.
14429 * xcoffout.c: Include ggc.h.
14430 (xcoffout_source_line): Register xcoff_lastfile as a root.
14432 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14434 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14436 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14438 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14440 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14442 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14444 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14445 (EXECUTE_IF_CONFLICT): Likewise.
14446 (ALLOCNO_LIVE_P): Avoid signed division.
14447 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14448 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14449 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14451 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14453 * haifa-sched.c (schedule_block): Don't crash if there's no
14454 next insn for an interblock movement.
14455 (add_branch_dependences): Don't allow clobber insns to move either.
14457 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14459 * i386.c (split_xf): New.
14460 * i386-protos.h: Declare it.
14461 * i386.md (movxf_1): Add general regs alternatives.
14462 (movxf_1+1): New splitter for same.
14464 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14466 * function.c (purge_addressof_1): Add missing return values.
14468 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14470 * function.c (is_addressof): New function. Returns true if
14471 the given piece of RTL is an ADDRESSOF.
14472 (purge_addressof_1): Make boolean. Return false if the
14473 ADDRESSOFs could not be purged.
14474 (purge_addressof): If ADDRESSOFs could not be purged from the
14475 notes attached to an insn, remove the offending note(s),
14476 unless they are attached to a libcall.
14478 1999-11-05 Andreas Jaeger <aj@suse.de>
14480 * genoutput.c (null_operand =): Initialize all fields.
14482 * errors.h: Add extern to prototypes.
14484 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14486 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14487 * configure: Rebuilt.
14489 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14491 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14492 (mirror_conflicts): New function.
14493 (global_alloc): Call it.
14494 (expand_preferences): Remove redundant CONFLICTP test.
14495 (find_reg, dump_conflicts): Likewise.
14496 (prune_preferences): Process conflicts one word at a time.
14498 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14500 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14501 instead of an explicit loop.
14503 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14505 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14506 if REG_RETVAL check succeeds, then put classp in src_elt.
14508 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14510 * function.c (pad_to_arg_alignment): Only update argument_pad
14511 if the argument's alignment is greater than STACK_BOUNDARY.
14513 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14515 * bitmap.h (BITMAP_XFREE): New.
14516 * flow.c (life_analysis): Use it.
14517 (life_analysis_1): Free blocks.
14519 * combine.c (undo_commit): New.
14520 (try_combine): Use it. Don't zap undobuf.undos.
14521 (combine_instructions): Don't zap undobuf.undos; free the
14522 undobuf.frees list.
14524 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
14526 * stmt.c (cost_table_): New.
14527 (estimate_case_costs): Use it instead of xmalloc.
14529 * toplev.c (compile_file): Reuse dumpname memory instead
14532 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
14534 * reg-stack.c (convert_regs_1): Initialize target_stack->top
14535 after verifying an EH edge.
14537 * haifa-sched.c (init_rgn_data_dependences): Correctly
14538 size bb_pending_lists_length when zeroing.
14540 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
14542 * function.c (diddle_return_value): New.
14543 (expand_function_end): Use it.
14544 * stmt.c (expand_null_return): Likewise.
14545 (expand_value_return): Likewise.
14547 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
14549 * reload1.c (reload): Don't remove return value clobbers.
14551 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
14553 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
14555 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
14557 * cse.c (cse_main): Use xmalloc, not alloca.
14558 (cse_basic_block): Likewise.
14559 * local-alloc.c (local_alloc): Likewise.
14561 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
14562 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14564 * rtl.c: Include toplev.h.
14565 (fatal): Remove declaration.
14567 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
14569 * haifa-sched.c (schedule_block): Fix thinko.
14571 1999-11-03 James McKelvey <mckelvey@fafnir.com>
14573 * fixinc/fixincl.c(create_file): Allow for systems that do not have
14574 S_IR* defined values
14576 1999-11-03 Philippe De Muyter <phdm@macqel.be>
14578 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
14579 call `malloc' instead.
14581 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
14583 * flags.h (flag_renumber_insns): Declare.
14584 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
14586 * rtl.h (renumber_insns): Change prototype.
14587 * toplev.c (flag_renumber_insns): Define.
14588 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
14590 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
14592 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
14593 and fpsqrtd. Use them and create fdiv function unit to more
14594 accurately represent fpu sqrt pipeline semantics on UltraSparc.
14595 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
14597 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
14599 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
14601 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
14602 insn into ready list, do not use just a raw swap.
14604 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
14606 * rtl.h (renumber_insns): New function.
14607 (remove_unnecessary_notes): Likewise.
14608 * emit-rtl.c (renumber_insns): Define.
14609 (remove_unncessary_notes): Likewise.
14610 * toplev.c (rest_of_compilation): Remove dead code.
14611 Use renumber_insns and remove_unncessary_notes.
14613 * gcse.c (struct null_pointer_info): New type.
14614 (get_bitmap_width): New function.
14615 (current_block): Remove.
14616 (nonnull_local): Likewise.
14617 (nonnull_killed): Likewise.
14618 (invalidate_nonnull_info): Take a null_pointer_info as input.
14619 (delete_null_pointer_checks_1): New function.
14620 (delete_null_pointer_checks): Use it.
14622 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
14623 (split_edges): Likewise.
14624 (schedule_block): Likewise.
14625 (compute_block_backward_dependencies): Likewise.
14626 (schedule_region): Likewise.
14627 (schedule_insns): Likewise.
14629 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
14631 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
14632 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
14633 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
14634 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
14635 * jump.c (delete_unreferenced_labels): Don't delete if
14636 LABEL_ALTERNATE_NAME is set.
14637 * print-rtl.c (print_rtx): Dump alternate name.
14638 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
14639 * rtl.h (LABEL_ALTERNATE_NAME): Define.
14640 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
14641 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
14643 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14645 * fix-header.c (recognized_extern, recognized_function): Constify
14648 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
14649 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14650 (compute_available): Remove unused variable `last'.
14651 (compute_nearerout): Remove unused variable `temp_bitmap'.
14652 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14653 Remove unused variable `x'.
14655 * scan.h (recognized_function, recognized_extern): Constify a
14658 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
14660 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14662 * varasm.c (decode_rtx_const): Use XSTR to access the string
14665 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
14667 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
14669 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14671 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
14673 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
14675 * pa.c (ireg_operand): New function.
14676 * pa.h (PREDICATE_CODES): Handle ireg_operand.
14677 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
14678 Fix out of date comment.
14680 * pa.md (negdi2): Turn into expander + anonymous pattern.
14682 * reload.c (find_reloads): Fix typos in recent change.
14684 * dwarf2out.c: Do not include ctype.h.
14686 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14688 * regclass.c (record_reg_classes): Always use may_move_cost when
14689 seeing how operand fits with various register classes.
14691 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
14693 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
14694 * toplev.c: Revert Nov 1 13:22 change.
14696 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
14698 * config/pa/pa.md (height reduction patterns): Add checks for
14699 overlapping operands to avoid semantic-destroying splits for
14700 height reduction patterns.
14702 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14704 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
14705 have been an hyphen, fixed.
14706 * configure: Rebuilt.
14708 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
14710 * config/arm/tpe.h: Add prototypes for exported functions.
14711 * config/arm/pe.c: Fix compile time warnings.
14712 * config/arm/semi.h: Fix compile time warnings.
14713 * config/arm/arm.c: Fix compile time warnings.
14714 * config/arm/arm.h: Fix compile time warnings.
14715 * config/arm/arm.md: Fix compile time warnings.
14716 * config/arm/thumb.c: Fix compile time warnings.
14717 * config/arm/thumb.h: Fix compile time warnings.
14718 * config/arm/thumb.md: Fix compile time warnings.
14720 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
14722 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
14725 * unroll.c (unroll_loop): Remove LOOP notes when loop is
14726 completely unrolled.
14728 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14730 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
14732 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
14734 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
14735 * rtl.h (rtx_equal_p): Move prototype.
14736 * rtl.c (rtx_equal_function_value_matters): Move from
14738 (rtx_equal_p): Likewise.
14739 * rtlanal.c (rtx_equal_function_value_matters): Delete.
14740 (rtx_equal_p): Likewise.
14742 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
14744 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
14745 ! HAS_INIT_SECTION.
14747 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
14749 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
14751 * pa.h (ADDR_VEC_ALIGN): Define.
14753 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
14754 notes when presented with "if (foo) break; end_of_loop" and
14755 the break sequence gets moved out of the loop.
14757 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
14758 Remove explicit zero initializations of entries within MAP.
14760 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
14762 * reg-stack.c (convert_regs_1): Handle EH edges specially.
14764 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
14766 * bitmap.h (BITMAP_XMALLOC): New macro.
14767 * flow.c (CLEAN_ALLOCA): Remove.
14768 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
14769 (life_analysis): Likewise.
14770 (update_life_info): Don't use CLEAN_ALLOCA.
14771 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
14772 (calculate_global_regs_live): Likewise.
14773 (print_rtl_with_bb): Likewise.
14774 (verify_flow_info): Likewise.
14775 * global.c (global_alloc): Likewise.
14776 (global_conflicts): Likewise.
14777 * integrate.c (save_for_inline_nocopy): Likewise.
14778 (expand_inline_function): Likewise.
14779 * jump.c (jump_optimize_1): Likewise.
14780 (duplicate_loop_exit_test): Likewise.
14781 (thread_jumps): Likewise.
14782 * loop.c (loop_optimize): Likewise.
14783 (combine_givs): Likewise.
14784 (recombine_givs): Likewise.
14785 * reorg.c (dbr_schedule): Likewise.
14786 * unroll.c (unroll_loop): Likewise.
14788 * combine.c (combine_instructions): Use xmalloc instead of alloca.
14790 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
14792 * toplev.c (rest_of_compilation): Don't optimize the CFG
14793 when rebuilding, just before dbr.
14795 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14797 * output.h (assemble_end_function, assemble_destructor,
14798 assemble_constructor, assemble_gc_entry, assemble_global,
14799 assemble_label, output_constant_pool) Constify a char*.
14801 * varasm.c (assemble_destructor, assemble_constructor,
14802 assemble_gc_entry, assemble_end_function, assemble_global,
14803 assemble_label, output_constant_pool): Likewise.
14805 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
14807 * config/arm/thumb.c (thumb_expand_prologue): Add comments
14808 explaining what is goin on in this function.
14810 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14812 * regclass.c (record_reg_classes): In matching case, recompute
14813 costs since the direction of movement is different.
14815 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14817 * resource.c (mark_target_live_regs): For unconditional branches,
14818 the resources found at the branch target should be added to the
14819 resources found so far, not intersected.
14821 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
14823 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
14825 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
14826 (sys/mman.h): Include this file only if #HAVE_MMAP.
14827 (run_compiles): Initialize `esac_fmt' with one old KR string, not
14828 with automatically concatenated ANSI strings.
14830 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
14832 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
14833 (DIV_ROUND_UP): Robustify.
14834 (ggc_recalculate_in_use_p): New function.
14835 (release_pages): Don't inline it.
14836 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
14838 (ggc_pop_context): Use ggc_recalculate_in_use_p.
14839 (clear_marks): Always save in_use_p.
14840 (sweep_pages): Use ggc_recalculate_in_use_p.
14841 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
14842 Release pages before counting statistics.
14844 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
14846 * toplev.c (rest_of_compilation): Fix thinko in this change:
14848 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
14850 (rest_of_compilation): If inside an inlined external function,
14851 pretend we are just being declared.
14853 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
14855 * flow.c (calculate_global_regs_live): Fix thinko.
14857 * integrate.c (expand_inline_function): Fix bugs in previous
14858 change from Oct 28, 1999.
14860 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
14862 * stmt.c (expand_value_return): Fix typo in this change:
14864 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14865 (expand_value_return): Correctly convert VAL when promoting function
14866 return; support RETURN_REG being a PARALLEL.
14868 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
14870 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
14872 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14874 * hard-reg-set.h (reg_names): Constify a char*.
14876 * regclass.c (reg_names): Likewise.
14878 * regs.h (reg_names): Likewise
14880 * a29k/a29k.c (reg_names): Delete declaration.
14882 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
14884 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
14885 arc_output_function_epilogue): Likewise.
14887 * elxsi/elxsi.c (reg_names): Likewise.
14889 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
14891 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
14894 * m88k/m88k.c (output_function_profiler): Likewise.
14896 * sparc/sparc.c (sparc_flat_output_function_prologue,
14897 sparc_flat_output_function_epilogue): Likewise.
14899 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
14901 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
14902 warning from -Wuninitialized and put it under -W.
14903 * function.c (uninitialized_vars_warning): Warn only when the
14904 corresponding flag is set.
14906 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
14908 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
14909 is nonzero and the single set does not have an elt, then assign
14912 * simplify-rtx.c: New file.
14913 * Makefile.in (OBJS): Add simplify-rtx.o
14914 (simplify-rtx.o): Add dependencies.
14915 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
14916 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
14917 (cse_gen_binary, simplify_unary_operation): Delete.
14918 (simplify_binary_operation, simplify_plus_minus): Likewise.
14919 (check_fold_consts, simplify_relation_operation): Likewise.
14920 (simplify_ternary_operation): Likewise.
14921 (delete_trivially_dead_insns): Simplify the contents of the
14922 REG_EQUAL note before trying to substitute it into the source
14923 of the reg-reg copy at the end of a libcall sequence.
14925 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
14926 references/callers changed.
14928 * mn10200.c (mn10200_va_arg): Force the return value into a
14931 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
14933 * cccp.c (macroexpand): Avoid out of range accesses for omitted
14936 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
14938 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
14940 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
14942 * fold-const.c (fold): Fix thinko when optimizing comparisons
14945 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
14947 * gcc.texi (Passes): Update front-end files to their current
14950 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
14952 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
14953 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
14954 (PREDICATE_CODES): Add addition_operation.
14955 * alpha-protos.h (addition_operation): Declare.
14956 (secondary_reload_class): Likewise.
14957 * alpha.c (addition_operation): New.
14958 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
14959 * alpha.md (adddi3): Turn into expander.
14960 (*lda, *adddi_2): New.
14961 (movsf, movdf patterns): Don't preference integer regs.
14962 (movsi, movdi patterns): Don't preference fp regs.
14964 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
14966 * genrecog.c (write_switch): Check for duplicate CODE cases.
14968 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
14970 * ggc-common.c: Update pre-function commentary.
14971 * ggc-page.c: Likewise.
14973 (poison_pages): Use memset directly.
14974 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
14975 (ggc_collect): Poison before sweeping.
14976 * ggc-simple.c: Update pre-function commentary.
14977 (ggc_alloc_obj): Poison non-zeroed memory.
14979 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
14981 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
14982 match format string, even on 64-bit hosts.
14983 * gcc-page.c (ggc_page_print_statistics): Likewise.
14985 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
14987 * config/i386/i386.c (ix86_cpu): Revert last patch.
14988 * config/i386/i386.h (ix86_cpu): Ditto.
14990 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
14992 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
14993 TYPE_SIZE, convert type of result to sizetype.
14995 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
14997 * flow.c (count_or_remove_death_notes): Equate NULL with the
15000 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15001 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15004 * i386.c (pic_label_no): Delete.
15005 (ix86_attr_length_default): Don't use single_set to peek
15008 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15009 the first insn after bb->end.
15010 * i386.md (push mem peeps): Scratch is live after evaluation
15012 (cmp mem peep): Similarly.
15014 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15016 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15017 * function.c (pad_to_arg_alignment): Add missing braces.
15019 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15021 * alpha/alpha-protos.h (literal_section): Add prototype.
15022 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15025 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15027 (alpha_start_function, alpha_end_function, float_strings,
15028 alpha_need_linkage): Constify a char*
15030 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15032 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15034 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15036 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15038 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15040 * flow.c (debug_flow_info): Add prototype.
15042 * gcc.c (main): Likewise.
15044 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15047 * reload1.c (failed_reload, set_reload_reg): Likewise.
15049 * mips-tfile.c (main): Likewise.
15050 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15051 with ATTRIBUTE_NORETURN.
15053 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15055 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15056 DECL is not a memory ref.
15058 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15060 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15061 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15063 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15065 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15066 * config/mips/elf64.h: ditto.
15068 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15070 * expr.c (emit_push_insn): New argument alignment_pad.
15071 Update all callers. Adjust stack pointer based on alignment pad.
15072 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15073 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15074 (locate_and_pad_parm): New argument alignment_pad. Update all
15076 * expr.h (emit_push_insn): Update prototype.
15077 (locate_and_pad_parm): Update prototype.
15078 * calls.c (arg_data): Add new field alignment_pad.
15079 (initialize_argument_information): Initialize alignment_pad.
15081 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15083 * except.c (free_eh_nesting_info): Free the info itself.
15084 * function.c (free_after_compilation): Don't free NULL.
15085 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15086 (pre_edge_insert): Free inserted.
15087 * stmt.c (free_stmt_status): Don't free NULL.
15089 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15091 * gcov.c (DIR_SEPARATOR): Provide default.
15092 (output_data): Add test for MS-DOS format absolute filename.
15093 (fancy_abort): Correct program name.
15094 (open_files): Open all files in binary mode.
15095 * libgcc2.c (__bb_exit_func): Likewise.
15097 * profile.c (init_branch_prob): Specify binary when opening files.
15099 * flags.h (flag_unwind_tables): New decl.
15100 * toplev.c (flag_unwind_table): New definition.
15101 (f_options): Add -funwind-tables.
15102 (decode_g_option): Clarify warning when unknown -g option is given.
15103 (rest_of_compilation): If inside an inlined external function,
15104 pretend we are just being declared.
15106 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15107 (dwarf2out_frame_finish): Likewise.
15109 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15111 * fold-const.c (merge_ranges): If not in0, but in1, handle
15112 upper bounds equal like subset case.
15114 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15116 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15117 passed in a register but moved to the stack.
15119 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15121 * gcc.c (pass_exit_codes, greatest_status): New variables.
15122 (struct option_map): Add entry for "--pass-exit-codes".
15123 (execute): Update greatest_status if error.
15124 (display_help): Add documentation for -pass-exit-codes.
15125 (process_command): Handle -pass-exit-codes.
15126 (main): Look at pass_exit_codes and greatest_status on call to exit.
15128 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15130 * reload.c (find_reloads): Refine test for no input reload
15131 case to not includes reloads emitted after insn.
15133 * function.c (find_temp_slots_from_address): Handle sum involving
15134 a register that points to a temp slot.
15135 (update_temp_slot_address): Make recursive call if both old and
15136 new are PLUS with a common operand.
15137 * calls.c (expand_call): Mark temp slot for result as having
15140 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15142 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15143 component as well as "BINUTILS".
15145 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15146 * integrate.c (copy_rtx_and_substitute): Likewise.
15147 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15148 All callers changed.
15149 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15151 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15152 gdb extensions, write size of type; also be more consistent
15153 in using references when this is a subtype.
15155 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15156 that is out of range.
15158 * loop.c (unknown_constant_address_altered): New variable.
15159 (prescan_loop): Initialize it.
15160 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15161 (invariant_p, case MEM): Remove handling for volatile and readonly;
15162 check new variable if readonly.
15163 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15165 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15166 (addr_affects_sp_p): Removed from note_mem_written and only
15167 define #ifdef AUTO_INC_DEC.
15169 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15171 * regclass.c (record_reg_classes): Properly handle register move
15174 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15175 Don't think valid if both operands are invalid.
15176 (struct constant_descriptor): New field RTL.
15177 (mark_const_hash_entry): Mark it.
15178 (record_constant{,_rtx}): Initialize it.
15179 (output_constant_def): Allocate RTL in permanent obstack and
15181 ({record,compare}_constant_1): Modes must match for
15182 CONSTRUCTOR of ARRAY_TYPE.
15184 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15185 * output.h (initializer_constant_valid_p): Move decl to here.
15186 * c-common.c (initializer_constant_valid_p): Delete function from here.
15187 * varasm.c (initializer_constant_valid_p): Move function to here.
15189 * tree.h (STRIP_SIGN_NOPS): New macro.
15190 * fold-const.c (optimize_minmax_comparison): New function.
15191 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15192 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15193 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15194 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15195 widening conversions.
15196 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15197 to look at size of mode, not precision of type; also add missing cases.
15198 (optimize_bit_field_compare, decode_field_reference): Don't try to
15199 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15201 * dwarf2out.c (ctype.h): Include.
15202 (dwarf2out_set_demangle_name_func): New function.
15203 (size_of_line_info): Deleted.
15204 (output_line_info): Compute size of line info table from difference
15206 (base_type_die, add_name_attribute): Call demangle function, if any.
15207 (field_byte_offset): Use bits per word for variable length fields.
15208 (gen_array_type_die): Add array name.
15209 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15210 (dwarf2out_add_library_unit_info): New function.
15212 * explow.c (set_stack_check_libfunc): New function.
15213 (stack_check_libfunc): New static variable.
15214 (probe_stack_range): Allow front-end to set up a libfunc to call.
15216 * combine.c (simplify_comparison): When making comparison in wider
15217 mode, check for having commuted an AND and a SUBREG.
15218 (contains_muldiv): New function.
15219 (try_combine): Call it when dividing a PARALLEL.
15220 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15221 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15223 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15224 use one of the CLOBBERs instead.
15225 (if_then_else_cond): If comparing against zero, just return thing
15228 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15229 Don't generate shifts and subtract if have conditional arithmetic.
15231 * rtl.h (delete_barrier): New declaration.
15232 * jump.c (jump_optimize): Set up to handle conditional call.
15233 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15234 (delete_barrier): New function.
15236 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15238 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15240 * tree.c (build_type_attribute_variant): Push to obstack of
15241 ttype around type_hash_canon call.
15243 * expr.c (placeholder_list): Move decl to file scope.
15244 (expand_expr): Don't force access to volatile just because its
15246 If ignoring reference operations, just expand the operands.
15247 (expand_expr, case COMPONENT_REF): Propagate
15248 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15249 Refine test for using bitfield operations vs pointer punning.
15250 (expand_expr, case CONVERT_EXPR): If converting to
15251 BLKmode UNION_TYPE from BLKmode, just return inner object.
15252 Use proper mode in store_field call.
15253 Properly set sizes of object to store and total size in store_field
15254 call for convert to union.
15255 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15256 memory (like for ADDR_EXPR). Also, don't put constant in register if
15257 we'll want it in memory.
15258 (readonly_fields_p): New function.
15259 (expand_expr, case INDIRECT_REF): Call it if LHS.
15260 (expand_assignment): Handle a RESULT_DECL where
15261 DECL_RTL is a PARALLEL.
15262 (do_jump, case WITH_RECORD_EXPR): New case.
15263 (get_inner_reference): Always go inside a CONVERT_EXPR
15264 and NOP_EXPR if both modes are the same.
15265 (store_field): Use bitfield operations if size of bitsize is not same
15266 as size of RHS's type.
15267 Check for bitpos not a multiple of alignment in BLKmode case.
15268 Do block move in largest possible alignment.
15269 (store_constructor): Set BITSIZE to -1 for variable size and properly
15270 in case of array of BLKmode.
15271 (expand_expr_unaligned): New function.
15272 (do_compare_and_jump): Call it.
15274 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15275 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15276 does not include 'o'.
15278 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15279 both SET_DEST and SET_SRC reference a virtual register.
15280 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15282 * integrate.c (expand_inline_function): Handle case of setting
15283 virtual stack vars register (from built in setjmp); when parameter
15284 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15285 (subst_constant): Add new parm, MEMONLY.
15286 (expand_inline_function, integrate_parm_decls): Pass new parm.
15287 (integrate_decl_tree): Likewise.
15288 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15289 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15290 (copy_rtx_and_substitute, case SET): Add explicit calls to
15291 copy_rtx_and_substitute for both sides.
15293 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15295 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15296 within INDEX_TYPE, instead of before.
15297 (fixup_gotos): Use f->target_rtl, not the next insn,
15298 since latter may be from a later fixup.
15299 (expand_value_return): Correctly convert VAL when promoting function
15300 return; support RETURN_REG being a PARALLEL.
15301 (expand_return): When checking for result in regs and having
15302 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15304 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15306 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15307 last_nominal_fname): Mark const.
15308 (struct include_hash: name, nshort, control_macro): Mark
15310 (struct macrodef: symnam): Mark const.
15311 (struct if_stack: fname): Mark const.
15312 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15313 (IStable): New character-syntax array which encompasses all
15314 the old is_foo arrays.
15315 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15316 is_space): New macros for interrogating IStable.
15317 (check_macro_name): Kill last argument. All callers changed.
15319 * cppinit.c (initialize_char_syntax): Delete.
15320 (is_idchar, is_idstart, is_hor_space, is_space,
15321 trigraph_table): Delete.
15322 (IStable): New. Initialize with clever macros to avoid
15323 information duplication.
15324 (builtin_array): Table of builtins to get rid of explicit list
15325 in initialize_builtins.
15326 (initialize_builtins): Use builtins_array.
15327 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15328 opts->dollars_in_ident.
15330 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15332 (cpp_parse_expr): Avoid 'format string is not constant'
15333 warning. Use ISGRAPH to identify printable chars.
15334 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15336 (read_and_prescan): Map trigraphs to chars with open-coded
15337 if-else-if-... sequence, not a lookup table.
15338 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15340 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15341 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15342 (check_macro_name): Remove ability to report an invalid
15343 assertion name, which is never used.
15344 (do_line): Constify a couple of char *'s.
15345 * cppmain.c (main): Call cpp_cleanup before returning.
15347 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15349 * ggc.h (struct ggc_statistics): New type.
15350 (ggc_get_size): New function.
15351 (ggc_print_statistics): Likewise.
15352 * ggc-common.c (ggc_stats): New variable.
15353 (ggc_mark_rtx_children): Keep statistics.
15354 (ggc_mark_tree_children): Likewise.
15355 (ggc_print_statistics): New function.
15356 * ggc-page.c (struct globals): Add bytes_mapped field.
15357 (alloc_anon): Update it.
15358 (release_pages): Likewise.
15359 (ggc_get_size): New function.
15360 (ggc_page_print_statistics): New function.
15361 * ggc-simple.c (ggc_get_size): New function.
15363 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15365 * flow.c (propagate_block): When the last reference to a label
15366 before an ADDR_VEC is deleted because the reference is a dead
15367 store, delete the ADDR_VEC.
15369 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15371 * resource.c (find_free_register): Don't use the frame pointer
15372 if frame_pointer_needed.
15374 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15376 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15377 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15379 * config/i960/i960.c (i960_va_start): New locals base, num.
15380 Use INDIRECT_REF instead of ARRAY_REF on valist.
15381 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15383 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15385 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15387 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15389 * tree.def (PLACEHOLDER_EXPR): Update comments.
15391 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15393 * c-common.c (check_format_info): Avoid non-literal format string
15394 warnings when `first_arg_num' is zero.
15396 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15398 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15400 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15402 * arm.md (casesi_insn): Add a clobber of the condition code
15405 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15407 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15408 used by both cc1 and cc1plus.
15410 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15412 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15413 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15414 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15415 to the value 32 if it has not already been defined.
15416 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15417 Override definition in arm.h with a value of 8.
15419 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15421 * c-pragma.c (push_alignment): Don't check the return value
15424 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15426 * sparc.h (ADJUST_COST): Fix thinko.
15428 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15430 * cccp.c (rescan): Fixed obp pointer handling around call to
15431 check_expand subroutine.
15433 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15435 * gcse.c (delete_null_pointer_checks): Only record non-null info
15436 for pseudos when examining stores.
15438 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15439 splitters for these patterns. Use "#" for output templates.
15440 (addsi3_carryin_shift): New pattern.
15442 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15444 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15445 of the function return register into a plain REG until
15446 after function inlining is done.
15448 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15450 * jump.c (jump_optimize_1): If we did cross-jumping, and
15451 the data will matter, rebuild the CFG.
15452 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15453 not optimizing. Don't run shorten_branches.
15454 * toplev.c (rest_of_compilation): Run shorten_branches after
15457 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15459 * rtl.h (note_stores): Add additional paramter.
15460 * rtlanal.c (reg_set_p_1): Take additional paramter.
15461 (reg_set_last_1): Likewise.
15462 (reg_set_p): Adjust call to note_stores.
15463 (reg_set_last): Likewise.
15464 (note_stores): Pass data parameter to worker function.
15465 * alias.c (record_set): Take additional parameter.
15466 (init_alias_analysis): Pass it.
15467 * caller-save.c (mark_set_regs): Take additional parameter.
15468 (save_call_clobbered_regs): Pass NULL to note_stores.
15469 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15471 (record_dead_and_set_regs_1): Likewise.
15472 (reg_dead_at_p_1): Likewise.
15473 (combine_instructions): Adjust calls to note_stores.
15474 (try_combine): Likewise.
15475 (record_dead_insn): Remove.
15476 (record_dead_and_set_regs): Adjust calls to note_stores.
15477 (reg_dead_at_p): Likewise.
15478 * cse.c (invalidate_skipped_set): Take additional parameter.
15479 (cse_check_loop_start): Likewise.
15480 (cse_check_loop_start_value): Remove.
15481 (cse_set_around_loop): Adjust calls to note_stores.
15482 * flow.c (notice_stack_pointer_modification): Take additional
15483 parameter. Remove duplicate declaration.
15484 (record_volatile_insns): Adjust calls to note_stores.
15485 * gcse.c (record_set_info): Take additional parameter.
15486 (record_last_set_info): Likewise.
15487 (invalidate_nonnull_info): Likewise.
15488 (record_set_insn): Remove.
15489 (compute_sets): Adjust calls to note_stores.
15490 (last_set_insn): Remove.
15491 (compute_hash_table): Adjust calls to note_stores.
15492 (insert_insn_end_bb): Likewise.
15493 (delete_null_pointer_checks): Likewise.
15494 * global.c (mark_reg_store): Take additional parameter.
15495 (mark_reg_clobber): Likewise.
15496 (reg_becomes_live): Likewise.
15497 (global_conflicts): Adjust calls to note_stores.
15498 (build_insn_chain): Likewise.
15499 * integrate.c (note_modified_parmregs): Take additional parameter.
15500 (mark_stores): Likewise. Make it static.
15501 (save_for_inline_nocopy): Adjust calls to note_stores.
15502 (try_constants): Likewise.
15503 * integrate.h (mark_stores): Remove declaration.
15504 * jump.c (mark_modified_reg): Take additional parameter.
15505 (thread_jumps): Adjust calls to note_stores.
15506 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15508 (no_equiv): Likewise.
15509 (reg_is_set): Likewise.
15510 (validate_equiv_mem): Adjust calls to note_stores.
15511 (update_equiv_regs): Likewise.
15512 (block_alloc): Likewise.
15513 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15514 (note_addr_stored): Take additional parameter.
15515 (note_set_pseudo_multiple_uses): Likewise.
15516 (record_initial): Likewise.
15517 (prescan_loop): Adjust calls to note_stores.
15518 (strength_reduce): Likewise.
15519 (check_dbra_loop): Likewise.
15520 * regmove.c (flags_set_1): Take additional paramter.
15521 (mark_flags_life_zones): Adjust calls to note_stores.
15522 * reload1.c (mark_not_eliminable): Take additional parameter.
15523 (forget_old_reloads_1): Likewise.
15524 (reload_cse_invalidate_rtx): Likewise.
15525 (reload_cse_check_clobber): Likewise.
15526 (reload_combine_note_store): Likewise.
15527 (move2add_note_store): Likewise.
15528 (reload): Adjust calls to note_stores.
15529 (reload_as_needed): Likewise.
15530 (emit_reload_insns): Likewise.
15531 (reload_cse_regs_1): Likewise.
15532 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
15533 (reload_combine): Adjust calls to note_stores.
15534 * resource.c (update_live_status): Take additional paramter.
15535 (mark_target_live_regs): Adjust calls to note_stores.
15536 * stupid.c (find_clobbered_regs): Take additional parameter.
15537 (stupid_life_analysis): Adjust calls to note_stores.
15539 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
15541 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
15544 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
15547 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
15548 of the variable arm_structure_size_boundary.
15550 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15552 * alias.c (init_alias_analysis): Allocate reg_known_value and
15553 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
15555 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
15556 * cse.c (cse_main): Call end_alias_analysis.
15557 * haifa-sched.c (schedule_insns): Likewise.
15558 * local-alloc. (update_equiv_regs): Likewise.
15559 * reload1.c (reload_cse_regs): Likewise.
15561 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15563 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
15564 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
15565 mapping from MASK_FPU.
15567 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
15569 * sparc.md (call): Don't bound structure return size to 0xfff.
15571 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
15573 * resource.c (mark_target_live_regs): Check that the target
15574 insn wasn't created after compute_bb_for_insn.
15576 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
15578 * ggc-page.c (poison_pages): Don't be overzealous.
15580 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
15582 * alias.c: Update comments for ADDRESS.
15583 (nonlocal_reference_p): Look inside the ADDRESS to determine if
15584 it is a local memory reference.
15586 * c-typeck.c (build_function_call): Check that the built-in
15587 function is of class BUILT_IN_NORMAL before trying to recongize
15588 it as BUILT_IN_ABS.
15589 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
15590 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
15592 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
15594 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
15596 (pre_gcse): Likewise.
15597 (hoist_expr_reaches_here_p): Likewise.
15598 (hoist_code): Likewise.
15599 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
15601 (pre_expr_reaches_here_p_work): ... here.
15602 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
15604 (expr_reaches_here_p_work): ... here.
15606 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
15608 * resource.c (find_basic_block): Delete.
15609 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
15610 (init_resource_info): Call compute_bb_for_insn.
15612 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
15614 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
15615 with already adjacent blocks, but no fallthru.
15616 (merge_blocks_move_successor_nojumps): Simplify.
15617 (debug_flow_info): New.
15619 * toplev.c (rest_of_compilation): Open jump1 dump file before
15620 jump and close after, as opposed to just using dump_rtl.
15622 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15624 * reload.h (earlyclobber_operand_p): Declare.
15625 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
15626 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15627 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
15628 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
15630 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15631 Richard Henderson <rth@cygnus.com>
15633 * emit-rtl.c (emit_block_insn_before): New.
15634 (emit_block_insn_after): New.
15635 * basic-block.h: Declare them.
15637 * bitmap.h: Protect from multiple inclusion.
15639 * recog.c (scratch_operand): Handle VOIDmode correctly.
15641 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
15643 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
15644 * function.c (assign_parms): Likewise.
15645 * global.c (global_conflicts): Clarify STACK_REGS commentary.
15647 * reg-stack.c (max_uid): Remove.
15648 (blocks, block_begin, block_end, block_drops_in): Remove.
15649 (block_stack_in, block_out_reg_set, block_number): Remove.
15650 (struct block_info_def, BLOCK_INFO): New.
15651 (enum emit_where): New.
15652 (current_block): New.
15653 (BLOCK_NUM): Remove.
15654 (mark_regs_pat, record_label_references): Remove.
15655 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
15657 (goto_block_pat, print_blocks, dump_stack_info): Remove.
15658 (reg_to_stack): Simplified test for existance of fp code. Use
15659 flow.c code. Call shorten_branches after cross-jump opt.
15660 (check_asm_stack_operands): Renamed from record_asm_reg_life.
15661 Return false if the asm doesn't use stack regs. Don't do life
15662 analysis on the asm.
15663 (emit_pop_insn): Replace function pointer arg `when' with
15664 enum `where'. Update all callers.
15665 (change_stack): Likewise. Update basic block end.
15666 (emit_swap_insn): Use current_block->head to limit reverse search
15667 for start of block. Use emit_block_insn_after.
15668 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
15669 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
15670 structure assignment instead of bcopy.
15671 (print_stack): New.
15672 (convert_regs_entry, convert_regs_exit): New.
15673 (convert_regs_1, convert_regs_2): Split out from convert_regs.
15674 Work on basic blocks and the CFG.
15675 (convert_regs): Use them.
15677 * i386.c (output_fix_trunc): Remove code for DImode input operand
15678 not at top-of-stack.
15679 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
15681 (fix_truncdi_1): Allow any mode scratch.
15683 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
15685 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
15686 * linux.h, netbsd.h, vms.h: Not here.
15688 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
15690 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
15691 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
15692 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
15693 CONDITIONAL_REGISTER_USEAGE): Use them.
15694 * config/mips/mips.c (mips_move_1word,mips_move_2words,
15695 gen_conditional_branch,override_options) : Use them.
15696 * config/mips/mips.md : Use them.
15698 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
15700 * i386.md (zero_extendqihi2): Use SImode register name with andl.
15702 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
15704 * integrate.c (function_cannot_inline_p): Don't allow inlining
15707 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15709 * c-parse.in (cast_expr): Constify.
15711 * cccp.c (special_symbol): Likewise.
15713 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
15715 * dwarf2out.c (base_type_die): Likewise.
15717 * global.c (allocno_compare): Likewise.
15719 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
15721 * regclass.c (fix_register): Likewise.
15723 * rtl.h (fix_register): Likewise.
15725 * stupid.c (stupid_reg_compare): Likewise.
15727 * toplev.c (decode_f_option): Likewise.
15729 * tree.c (build_complex_type): Likewise.
15731 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
15733 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
15735 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15737 * reload.c (find_reloads): Compute mode and nregs fields of all
15739 * reload1.c (calculate_needs_all_insns): Simplify a bit.
15740 (calculate_needs): Use precomputed mode/nregs values.
15741 (allocate_reload_reg): Likewise.
15743 (failed_reload, set_reload_reg): ... new functions.
15744 (choose_reload_regs_init): New function, mostly broken out from...
15745 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
15746 Also lose one #if 0 block.
15748 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
15750 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
15753 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
15755 * tree.h (BLOCK_TYPE_TAGS): Remove.
15756 (BLOCK_END_NOTE): Likewise.
15757 (BLOCK_LIVE_RANGE_FLAG): Likewise.
15758 (BLOCK_LIVE_RANGE_START): Likewise.
15759 (BLOCK_LIVE_RANGE_END): Likewise.
15760 (tree_block): Remove live_range_flag, live_range_var_flag, and
15761 type_tags. Remove end_note, live_range_start, and live_range_end.
15762 (remember_end_note): Remove prototype.
15763 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
15764 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
15766 * ggc-common.c (ggc_mark_tree_children): Don't mark
15767 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
15768 * integrate.c (adjust_copied_decl_tree): Remove.
15769 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
15770 * stmt.c (last_block_end_note): Remove.
15771 (init_stmt): Don't add a GC root for it.
15772 (expand_fixup): Don't set it.
15773 (remember_end_note): Remove.
15774 (expand_end_bindings): Don't set last_block_end_note.
15776 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15778 * reload1.c (reload_reg_free_for_value_p): Show
15779 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
15782 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
15784 * expmed.c (extract_bit_field): Allow for the case of non-integer
15785 objects that are smaller than a word (like SFmode on a 64-bit
15788 * loop.c (basic_induction_var): A non-integer variable which is
15789 being set by a paradoxical subreg is probably not a biv.
15791 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15793 * prefix.c (translate_name) Check for empty prefix string.
15795 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
15797 * Makefile.in (CPP_CROSS_NAME): New variable.
15798 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
15800 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
15801 names of the files to be uninstalled.
15803 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
15805 * collect2.c (IS_DIR_SEPARATOR): Define.
15806 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
15808 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
15811 * haifa-sched.c (add_dependence): Update the true dependency
15812 cache the first time we add a true dependence to the LOG_LINKS chain.
15814 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
15816 * fold-const.c (fold): Fix comment.
15818 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15820 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
15821 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
15822 dbxout_start_new_source_file, dbxout_source_file,
15823 dbxout_source_line, dbxout_finish, dbxout_type_fields,
15824 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
15826 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
15827 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
15828 (dbxout_block): Initialize variable `blocknum'.
15830 * dbxout.h (dbxout_init, dbxout_finish,
15831 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
15832 dbxout_args, dbxout_source_line): Constify a char*.
15834 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
15835 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
15836 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
15837 low_pc_attribute, high_pc_attribute, body_begin_attribute,
15838 body_end_attribute, comp_dir_attribute, sf_names_attribute,
15839 src_info_attribute, mac_info_attribute, producer_attribute,
15840 lookup_filename, generate_macinfo_entry, fundamental_type_code,
15841 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
15842 dwarfout_undef): Constify a char*.
15843 (add_incomplete_type, retry_incomplete_types): Add prototypes.
15845 * dwarfout.h (dwarfout_define, dwarfout_undef,
15846 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
15848 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
15850 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
15851 (MULTILIB_ISA_DEFAULT): New.
15852 (MULTILIB_DEFAULTS): Use it.
15853 * config/mips/mips.c (): Remove the now unnecessary definition
15854 of MIPS_ISA_DEFAULT.
15855 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
15856 unnecessary definition.
15858 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
15860 * arm.md (pic_load_addr): Add constraints to operand 1.
15862 1999-10-25 Bruce Korb <autogen@linuxbox.com>
15864 * fixinc/genfixes: Provide a means for specifying -D options to
15867 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
15869 * arm.c (arm_override_options): Correct initialization of
15870 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
15871 arm_is_strong, and arm_is_6_or_7.
15873 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
15874 (note_set_pseudo_multiple_uses): New function.
15875 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
15876 if a pseudo set in the loop exit is used elsewhere.
15878 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
15880 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
15882 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
15884 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
15885 a single load-address pattern.
15887 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
15889 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
15890 depending on whether or not line-number notes are present.
15892 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15894 * cccp.c (progname, file_buf, default_include, include_file,
15895 macrodef, definition, hashval, wchar_type, user_label_prefix,
15896 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
15897 expand_to_temp_buffer, is_system_include, base_name,
15898 absolute_filename, read_name_map, open_include_file,
15899 record_control_macro, check_precompiled, check_preconditions,
15900 pcfinclude, pass_thru_directive, create_definition,
15901 check_macro_name, comp_def_part, collect_expansion,
15902 check_assertion, read_token_list, assertion_install,
15903 assertion_lookup, eval_if_expression, conditional_skip,
15904 validate_else, skip_quoted_string, quote_string, macarg1,
15905 error_from_errno, install, lookup, hashf, dump_defn_1,
15906 perror_with_name, pfatal_with_name, main, trigraph_pcp,
15907 check_white_space, rescan, handle_directive, monthnames,
15908 special_symbol, do_include, remap_include_file, write_output,
15909 arglist, do_assert, do_unassert, do_line, do_error, do_once,
15910 do_ident, do_sccs, do_xifdef, skip_if_group,
15911 output_line_directive, macroexpand, macarg, change_newlines,
15912 initialize_builtins, make_definition): Constify a char*.
15914 * pcp.h (stringdef): Likewise.
15916 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
15918 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
15921 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
15922 Richard Henderson <rth@cygnus.com>
15924 * alias.c: Include ggc.h.
15925 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
15926 (record_set): Verify enough room in reg_base_value.
15927 (init_alias_analysis): Allocate reg_base_value with xcalloc.
15928 Register it as a GC root.
15929 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
15930 * Makefile.in (alias.o): Depend on ggc.h.
15932 * unroll.c (unroll_loop): Verify the insn before a barrier
15933 is a JUMP_INSN before checking JUMP_LABEL.
15935 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15937 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
15938 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
15939 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
15940 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
15941 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
15942 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
15944 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15946 * output.h (ctors_section, dtors_section, bss_section): Prototype.
15948 * alpha/alpha-interix.h (text_section): Delete prototype.
15949 * alpha/elf.h (text_section): Likewise.
15950 * arm/linux-elf.h (text_section): Likewise.
15951 * arm/linux-telf.h (text_section): Likewise.
15952 * c4x/c4x.h (text_section): Likewise.
15953 * dsp16xx/dsp16xx.h (bss_section): Likewise.
15954 * elfos.h (text_section): Likewise.
15955 * i386/aix386ng.h (text_section): Likewise.
15956 * i386/i386-interix.h (text_section): Likewise.
15957 * i386/sco5.h (text_section): Likewise.
15958 * i386/svr3gas.h (text_section): Likewise.
15959 * nextstep.h (text_section): Likewise.
15960 * psos.h (text_section): Likewise.
15961 * ptx4.h (text_section): Likewise.
15962 * svr3.h (text_section): Likewise.
15963 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
15965 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15967 * final.c (peephole): Delete prototype.
15969 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
15970 (pre_insert_copies): Remove unused variable `bb'.
15972 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
15975 * output.h (peephole): Add prototype.
15977 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
15979 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
15982 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
15984 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
15985 for inlined declarations.
15987 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
15989 * arm.c (logical_binary_operator): New fucntion.
15990 * arm.h (logical_binary_operator): Declare it.
15991 (PREDICATE_CODES): Handle logical_binary_operator.
15992 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
15993 output constraints. Add appropriate splitters.
15994 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
15995 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
15996 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
15998 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16000 * genoutput.c (struct operand_data): New elt eliminable.
16001 (output_operand_data): Write it.
16002 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16003 (compare_operands): Take it into account.
16004 * recog.h (struct insn_operand_data): New elt eliminable.
16005 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16007 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16008 (eliminate_regs): Move code that detects changes to elimination
16009 target regs into new function elimination_effects.
16010 Delete one #if 0 block.
16011 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16012 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16013 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16014 Only call eliminate_regs for real operands of the insn, not for parts
16015 of its structure or parts matched by things like match_operator.
16016 Use elimination_effects and check_eliminable_occurrences. Use
16017 copy_insn to duplicate the pattern when not in the final pass.
16019 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16021 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16024 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16026 * fixinc/README: document the "mach" machine matching test
16027 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16028 * fixinc/fixtests.c: Implement the #else/#endif label test
16029 * fixinc/inclhack.def: utilize these tests and fixes
16030 * fixinc/inclhack.sh: regen
16031 * fixinc/fixincl.x: regen
16032 * fixinc/fixincl.sh: regen
16034 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16036 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16039 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16041 * gcc.1: Document exit codes.
16043 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16045 * calls.c: Include tm_p.h later, so everything we need is defined.
16046 * expr.c: Likewise.
16047 * function.c: Likewise.
16049 * except.c: Include tm_p.h.
16051 * sparc.c: Likewise.
16052 (dwarf2out_cfi_label): Don't prototype.
16053 (check_return_regs, epilogue_renumber,
16054 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16055 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16056 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16057 ultra_schedule_insn): Add static prototype.
16058 (data_segment_operand, text_segment_operand): Call itself with the
16059 proper number of arguments.
16060 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16062 * sparc.h: Move all declarations to sparc-protos.h.
16063 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16066 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16068 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16070 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16071 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16072 ASM_OUTPUT_ASCII): Constify a char*.
16074 * sparc-protos.h: New file for sparc prototypes.
16076 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16078 * function.c (record_insns, contains): Always declare and define.
16079 (record_insns): Mark with ATTRIBUTE_UNUSED.
16081 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16083 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16084 to .section when outputting a .bss section to deal with multiple
16085 .bss input sections (as happens with -fdata-sections)
16086 Also output %progbits, not @progbits so the assembler doesn't treat as
16088 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16090 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16091 thumb parts even when building with non-thumb CPUs, by forcing
16094 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16096 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16097 (movdf_const_intreg_sp64): Similarly.
16099 * local-alloc.c (update_equiv_regs): Check the correct insn
16100 for pre-existing REG_EQUIV notes.
16102 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16104 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16105 block reached by a branch if we're not going to actually process
16108 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16110 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16111 a local extern function declaration.
16113 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16115 * i386.c (ix86_expand_prologue): Properly wrap USE around
16116 reg for CALL_INSN_FUNCTION_USAGE.
16118 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16120 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16121 move between GP_REGs.
16123 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16125 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16126 the mode size when finding out if an offset is legal.
16128 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16130 * basic-block.h (PROP_*): Move constants from ...
16131 * flow.c: ... here.
16132 (compute_bb_for_insn): Free the array before reallocating.
16133 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16134 (allocate_reg_life_data): Reset all reg variables collected by
16136 (get_block_head_tail): Don't convert from bb to block.
16137 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16138 (find_insn_reg_weight): Take block not bb.
16139 (schedule_block): Don't set block num for moved insns.
16140 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16141 (schedule_insns): Do it here instead.
16142 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16143 before update_life_info.
16144 * recog.c (split_all_insns, peephole2_optimize): Update for
16145 new arg to update_life_info.
16146 * rtlanal.c (remove_note): Cope with NULL note.
16147 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16150 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16152 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16154 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16155 block records so that merge_blocks_nomove will clean up correctly.
16156 (split_edge): Handle casesi insns.
16158 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16160 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16162 * pa.md (call, call_value): Do not emit a blockage after restoring
16165 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16167 * c-typeck.c (c_expand_asm_operands): Fix typo.
16169 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16171 * arm.c (fpu_rhs_operand): Verify modes.
16172 (fpu_add_operand): Likewise.
16173 (di_operand): Likewise.
16174 (soft_df_operand): Likewise.
16176 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16178 * arm.c (arm_return_in_memory): APCS rules state that the elements
16179 of a structure returned in a register must be 'integer-like'.
16181 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16183 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16184 in the source tree when the generated targets are out of date
16185 * fixinc/genfixes: Alter it to run individual fixes for make.
16186 * fixinc/README: rewrite
16187 * fixinc/inclhack.def: moved initial comments to README
16189 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16191 * toplev.c (main): Do not generate an error message if an
16192 unrecognised command line switch is recognisable by another
16193 language. If extra_warnings are enabled, then generate a
16194 warning message instead.
16196 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16198 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16199 (insert_pack_attributes): Delete prototype.
16201 * c-pragma.c (default_alignment): New static variable.
16202 (push_alignment): Initialize to current effective alignment.
16203 (pop_alignment): Use to set new alignment.
16204 (insert_pack_attributes): Delete function.
16205 (handle_pragma_token): Set default_alignment as well each time
16206 a #pragma pack(<n>) is encountered.
16208 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16210 * reg-stack.c (stack_result): Aggregates are not returned in
16213 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16215 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16217 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16219 * basic-block.h (set_block_num): Declare.
16220 * flow.c (update_life_info): Don't call compute_bb_for_insn
16221 or free_basic_block_vars.
16222 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16223 (insn_orig_block): Remove.
16224 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16225 (schedule_block): Keep BLOCK_NUM up-to-date.
16226 (schedule_insns): Use compute_bb_for_insn.
16227 * recog.c (split_all_insns): Likewise.
16228 (peephole2_optimize): Likewise.
16230 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16232 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16233 if the pic register is used.
16235 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16237 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16238 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16239 if that tests TREE_PERMANENT.
16241 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16243 * cse.c (invalidate_for_call): Do not remove memory references from
16244 the table here. It's handled elsewhere.
16246 * haifa-sched.c (add_dependence): Protect references to the
16247 true dependency cache with #ifdef INSN_SCHEDULING.
16248 (remove_dependence): Similarly.
16250 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16251 to the cfg code that this is a return instruction.
16252 * mn10300.md (return_internal): Similarly.
16254 * combine.c (get_last_value): If the last set of a register
16255 is after subst_low_cuid, then we can not use it to determine
16256 the register's last value.
16258 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16260 * Makefile.in: Back out previous change.
16262 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16264 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16266 * haifa-sched.c (add_dependence): Only check/update the cache
16268 (remove_dependence): Likewise.
16269 (schedule_insns): Only create the true_dependency_cache if the
16270 average number of instructions in a basic block is very large.
16272 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16274 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16275 (ggc-simple.o): Likewise.
16276 (ggc-page.o): Likewise.
16278 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16280 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16281 Prototype for exported functions.
16282 (pre_lcm, pre_rev_lcm): Remove prototypes.
16283 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16284 (compute_available): Move to lcm.c, and change parameter order.
16285 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16286 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16287 (gcse_main): No longer call compute_preds_succs. Rebuild the
16288 set table after reach pre pass.
16289 (pre_insert_map, pre_delete_map, edge_list): New.
16290 (alloc_pre_mem): Allocate edge vectors.
16291 (free_pre_mem): Delete edge vectors.
16292 (compute_pre_data): Call new edge based lcm routines.
16293 (process_insert_insn): New function.
16294 (insert_insn_end_bb): Use it.
16295 (pre_edge_insert): New function.
16296 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16298 (pre_insert_copies): Revamp using new edge based lcm outputs.
16299 (pre_delete): Likewise.
16300 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16302 (compute_code_hoist_vbeinout): New new edge based routines.
16303 * lcm.c: Remove all the old LCM functions. Replace with new ones
16304 that work with the new cfg datastructures and work with edges
16307 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16309 * reload.h (struct reload): Add new fields "mode" and "nregs".
16310 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16311 to reference the "mode" and "nregs" field within struct reload.
16313 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16315 * haifa-sched.c (true_dependency_cache): New.
16316 (add_dependence): Use the true dependency cache to avoid expensive
16317 walks down the LOG_LINKS dependency list. Add entries to the
16318 cache as necessary.
16319 (remove_dependence): Remove entries from the true dependency cache
16321 (schedule_insns): Allocate and initialize and free the true
16324 * haifa-sched.c (schedule_insns): Do not remove inter-block
16325 dependencies anymore.
16327 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16329 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16330 * i386/t-winnt: Likewise.
16332 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16334 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16336 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16338 * Makefile.in (LANGUAGES): Omit "proto".
16339 (clean): Remove stale comment about removing unprotoize.c.
16341 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16343 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16344 using arithmetic on void pointers.
16346 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16348 * haifa-sched.c (compute_block_forward_dependencies): Only check
16349 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16351 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16353 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16354 (expr_equiv_p): Reject memories with different alias sets.
16356 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16358 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16359 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16360 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16361 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16362 (lang_init): Set default for flag_bounds_check if still "unspecified".
16364 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16366 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16368 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16370 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16373 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16375 * config/c4x/c4x.md (*db_noclobber,
16376 *decrement_and_branch_until_zero_noclobber): New patterns and
16377 associated splitters.
16379 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16381 * config/c4x/c4x.md (parallel instruction patterns): Rework
16382 constraints to keep reload happy.
16384 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16386 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16387 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16388 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16389 Add new patterns and associated post-reload splitters.
16391 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16393 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16395 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16397 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16399 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16401 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16403 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16406 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16408 * pa.c (move_operand): Rely on memory_address_p to determine the
16409 validity of non-indexed memory addresses.
16410 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16411 operand in DFmode and SFmode when generating PA2.0 code.
16413 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16415 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16417 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16419 * mips.c (function_prologue): Fix argument types.
16420 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16421 (casesi_internal): Write to the scratch register.
16423 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16425 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16427 (parse_charconst): Delete unnecessary cast when calling
16429 (cpplib.h): Kill prototype of cpp_parse_escape.
16431 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16433 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16434 * unroll.c (unroll_loop): Cast return value of alloca.
16435 * i370/i370.c: Include function.h and toplev.h.
16436 (i370_label_scan): Remove c++ commented abort.
16437 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16438 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16439 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16440 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16442 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16444 * config/t-freebsd: Do not override USER_H.
16445 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16447 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16448 Mumit Khan <khan@xraylith.wisc.edu>
16450 * c-parse.in (component_decl): Support anonymous struct/union.
16452 * c-parse.y: Regenerate.
16453 * c-parse.c: Likewise.
16454 * objc/objc-parse.y: Likewise.
16455 * objc/objc-parse.c: Likewise.
16456 * c-decl.c (finish_struct): Don't sort the fields.
16457 (field_decl_cmp): Delete unused function.
16459 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16461 * sparc.md (movsf_const_intreg): Revert last constraint change.
16462 (movdf_const_intreg_sp32): Likewise.
16464 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16466 * cse.c: Include hashtab.h instead of splay-tree.h
16467 (struct cse_reg_info): No longer use variant union. Add new
16468 field "regno". All references changed to avoid union.
16469 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16470 (free_cse_reg_info): Remove.
16471 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16472 (get_cse_reg_info): Revamp to use expandable hash tables instead
16473 of splay trees. Initialize new fields in cse_reg_info structure.
16474 (new_basic_block): Similarly.
16476 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16478 * genrecog.c (message_with_line): Prototype.
16479 (validate_pattern): Pass along the set for the dest, not a flag.
16480 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16481 Check for PC/CC0 as sources.
16482 (nodes_identical): Check for children position match before
16483 allowing the combination.
16485 * rtl.c (read_rtx): Track line number across \\\n.
16487 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16489 * mips.h (SPECIAL_MODE_PREDICATES): New.
16490 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16491 (movdi+1, movsi+1): Add output reload constraint.
16492 (casesi_internal): Likewise. Fix commentary.
16493 (return_internal): Use pmode_register_operand.
16495 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16497 * 1750a.md (movstrqi): Add missing output reload constraint.
16498 (call_value): Likewise.
16499 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16500 (jmpfdec): Add missing inout reload constraint.
16501 * elxsi.md (addsi patterns): Add missing output reload constraint.
16502 (move from sp): Use @ alternates.
16503 (call_value): No constraint on output.
16504 * fr30.md (movsi_pop): Add missing output reload constraint.
16505 (movsf_constant_store): Likewise.
16506 (splits): Remove constraints.
16507 (subsi3): Add missing mode.
16508 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16509 (call_value): Likewise.
16510 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16511 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16512 * m32r.md (movsicc_internal): Add output reload constraint.
16513 (movstrsi_internal): Add inout reload constraints.
16514 * m88k.h (reg_names): Don't declare.
16515 (SPECIAL_MODE_PREDICATES): New.
16516 * m88k.md (*): Use register_operand not reg_or_0_operand
16518 * mn10200.h (PREDICATE_CODES): New.
16519 * ns32k.md (ffs pattern): Add output reload constraint.
16520 * pdp11.md (sob pattern): Add inout reload constraint.
16521 * sh.md (splits): Remove constraints.
16522 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
16523 * v850.md (pattern_is_ok_for_epilogue): Likewise.
16524 * vax.md (jgequ pattern): Add inout reload constraint.
16526 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
16528 * configure.in (djgpp): Revert previous patch.
16529 * configure: Rebuit.
16530 * config/i386/djgpp.h: Revert previous patch.
16532 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
16534 * fixinc/inclhack.def: Restore patch lost during last merge of
16535 "no_bogosity" branch.
16536 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16538 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16540 * fixincludes: Add a HPUX 11 fix for inttypes.h.
16541 * fixinc/inclhack.def: Same.
16542 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
16544 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
16546 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
16547 as the base of a PLUS.
16549 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16551 * config/c4x/c4x.md: Define mode for remaining unspec operators.
16552 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
16554 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
16556 * pa.md (post_stw+1): Use pmode_register_operand.
16557 (dcacheflush, icacheflush): Likewise.
16559 * i386.md (movstricthi_1): Allow r/r.
16561 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
16563 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
16564 to (not (and (arg0) (arg1))). Similary for and.
16566 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
16567 fallthrough to associate code.
16568 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
16571 * combine.c (simplify_logical): Convert XOR to IOR if operands have
16572 no bits in common; remove XOR to ROTATE conversion.
16574 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16576 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
16578 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16580 * config/c4x/c4x.c (dst_operand): New.
16581 (PREDICATE_CODES): Update.
16582 * config/c4x/c4x.h (dst_operand): Declare it.
16583 * config/c4x/c4x.md: Define mode for each unspec usage.
16584 (move patterns): Use dst_operand predicate instead of src_operand.
16585 (movqi_update, movqf_update): Delete.
16587 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
16589 * recog.c (pmode_register_operand): New.
16590 * recog.h: Declare it.
16591 * genrecog.c (pred_codes): Likewise.
16592 (special_mode_pred_table): Likewise.
16593 (validate_pattern): Don't warn no mode for address_operand.
16595 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
16596 if the operand is not insn-like.
16598 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
16599 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
16601 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
16603 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
16605 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
16606 instead of general_operand in a SET_DEST. Use const_double_operand
16607 instead of an explicit test against CONST_DOUBLE.
16608 (movsf_const_lo): Add missing register mode.
16609 (goto_handler_and_restore): Add auxiliary test for Pmode.
16610 (flush): Adjust to use address_operand.
16611 (return_sf_no_fpu): Add missing output constraint.
16613 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
16615 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
16616 for call return value.
16617 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
16619 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
16621 * toplev.c (main): Only warn about options for other languages.
16622 * collect2.c (main): Pass -w to sub-gcc.
16624 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
16626 * flow.c (propagate_block): Add call-clobbered registers to
16629 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
16630 zapping mem_set_list.
16631 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
16632 (mark_set_1, mark_used_regs): Likewise.
16634 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
16636 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
16638 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16640 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
16641 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
16642 options. Also add a new item "C-only Warning Options" to the
16645 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
16647 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
16648 from multiple calls.
16650 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
16652 * i386.md (call value patterns): Move to the end of the file.
16653 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
16655 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
16657 * configure.in (djgpp configuration): Define extra_objects..
16658 * configure: Rebuilt.
16659 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
16660 (DTORS_SECTION_ASM_OP): Define.
16661 (INIT_SECTION_ASM_OP): Define.
16662 (FINI_SECTION_ASM_OP): Define.
16663 (DATA_SECTION_ASM_OP): Define.
16664 (TEXT_SECTION_ASM_OP): Define.
16665 (EH_FRAME_SECTION_ASM_OP): Define.
16666 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
16667 (STARTFILE_SPEC): Add crtbegin.o.
16668 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
16669 to here from LINK_COMMAND_SPEC.
16670 (DO_GLOBAL_CTORS_BODY): Define.
16671 (CRTSTUFF_USE_FINI_SECTION): Define
16672 (HAS_INIT_SECTION): Delete.
16674 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
16676 * Makefile.in (all.cross): Depend on xcpp$(exeext).
16678 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
16680 * pa.h (PREDICATE_CODES): New.
16682 * genrecog.c (validate_pattern): Condense the destination
16683 non-lvalue message.
16685 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
16687 * alpha.md (call-1): Supply missing mode for operator.
16688 (*): Add missing output reload constraints. Remove constraints
16689 from define_splits.
16691 * i386.h (SPECIAL_MODE_PREDICATES): New.
16692 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
16693 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
16694 (addsi_lea_3): Add missing mode for op 3.
16695 (prologue_set_got, prologue_get_pc): Add missing modes.
16696 (*) Add missing output reload constraints.
16698 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
16700 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
16701 check for member bit-size overflow and use var_size if it occurs.
16702 (layout_record): Use bitsize_int() to define the type size in bits.
16703 Likewise for computation and assignment to DECL_FIELD_BITPOS.
16704 (layout_decl): Likewise when assigning to DECL_SIZE.
16706 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
16708 * genrecog.c (validate_pattern): Typo last change. Verify
16709 that output operands have output reloads.
16711 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
16713 * genrecog.c (special_mode_pred_table): New.
16714 (NUM_SPECIAL_MODE_PREDS): New.
16715 (find_operand): New.
16716 (validate_pattern): New argument `insn'. Warn for assignment to
16717 any predicate accepting non-lvalues. Conditionaly warn for
16718 match_operand without a mode. Try much harder to match source
16719 and destination modes on a set.
16720 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
16722 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
16724 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
16726 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
16728 * combine.c (simplify_logical): Recognize xor pattern that encodes
16731 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16733 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
16736 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
16738 * ggc-page.c (MAP_FAILED): Provide default.
16740 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
16742 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
16743 * sparc.h (PREDICATE_CODES): Update.
16745 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
16747 * alpha.c (some_ni_operand): New.
16748 * alpha-protos.h: Declare it.
16749 * alpha.h (PREDICATE_CODES): Update.
16750 * alpha.md (sXaddq reload insns): Use some_ni_operand
16751 for SET_DEST instead of some_operand.
16753 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
16754 Jim Wilson <wilson@cygnus.com>
16756 * genrecog.c (maybe_both_true_2): Don't compare modes of
16758 (process_tree): Elide peephole2_insns. Invoke simplify_tests
16759 after find_afterward.
16760 (debug_decision_1): Dump next and afterward codes.
16762 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
16764 * rtl.c (dump_and_abort): Remove.
16765 (fatal_with_file_and_line): New.
16766 (fatal_expected_char): New.
16767 (read_rtx_lineno, read_rtx_filename): New.
16768 (read_skip_spaces): Track line number.
16769 (read_name): Use fatal_with_file_and_line.
16770 (read_rtx): Use fatal_expected_char. Track line number.
16771 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
16773 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
16774 if it isn't a CODE_LABEL.
16776 * genattr.c (main): Set read_rtx_filename.
16777 * genattrtab.c (main): Likewise.
16778 * gencodes.c (main): Likewise.
16779 * genconfig.c (main): Likewise.
16780 * genemit.c (main): Likewise.
16781 * genextract.c (main): Likewise.
16782 * genflags.c (main): Likewise.
16783 * genopinit.c (main): Likewise.
16784 * genoutput.c (main): Likewise.
16785 * genpeep.c (main): Likewise.
16787 * genrecog.c (decision_test.u.insn): Add `lineno'.
16788 (pattern_lineno, error_count): New variables.
16789 (message_with_line): New.
16790 (add_to_sequence): Break out checking code to ...
16791 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
16792 (merge_insn): Use message_with_line.
16793 (make_insn_sequence): Use validate_pattern. Record insn lineno.
16794 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
16796 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16798 * expr.c (store_constructor): Clear union if constructor is empty.
16800 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
16802 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
16803 Add !endian checks. Change %{...} to %(...).
16805 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
16807 * i386.md (*addsi3_cc): Renamed from addcsi3.
16808 (*addsi3_carry): Renamed from addxsi3.
16809 (*subsi3_cc): Renamed from subcsi3.
16810 (*subsi3_carry): Renamed from subxsi3.
16811 (*xorqi_cc_1): Renamed from xorcqi_1.
16812 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
16813 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
16815 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
16817 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
16818 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
16820 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
16822 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
16823 climb up the chain of insns.
16825 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
16827 * genrecog.c (write_subroutine): Careful for null trees.
16828 (process_tree): Don't elide empty functions.
16830 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
16832 * Makefile.in (genrtl.o): Depend on ggc.h.
16833 * configure.in (valloc): Probe for it.
16834 (with-gc): Use ggc-page if valloc present.
16835 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
16836 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
16837 (ggc_alloc_string): Moved from ggc-page.c.
16838 * ggc-none.c (ggc_alloc_obj): New.
16839 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
16840 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
16841 (struct globals): Likewise for dev_zero_fd.
16842 (init_ggc): Likewise for it's initialization.
16843 (ggc_allocated_p): Move careful dereference from ...
16844 (ggc_lookup_page_table): ... here. Delete.
16845 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
16846 (alloc_anon): Use valloc if no mmap.
16847 (release_pages): Use free if using valloc.
16848 (ggc_alloc_obj): Renamed from alloc_obj.
16849 (ggc_set_mark): Renamed from mark_obj.
16850 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
16851 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
16852 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
16853 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
16854 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
16855 (ggc_collect): Use fp printing instead of our own rounding.
16856 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
16857 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
16858 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
16859 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
16860 (struct ggc_string, struct ggc_any): Delete.
16861 (offsetof): Provide default definition.
16862 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
16864 (struct ggc_mem): New, from corpse of ggc_any.
16865 (struct ggc_status): Delete.
16866 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
16867 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
16868 (n_strings_collected, n_anys_collected): Delete.
16869 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
16870 (ggc_alloc_string, ggc_alloc): Delete.
16871 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
16872 (ggc_free_string, ggc_free_any): Delete.
16873 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
16874 (ggc_compare_addresses, ggc_mark_string): Delete.
16875 (ggc_mark_string_if_gcable, ggc_mark): Delete.
16876 (search_data): Delete.
16877 (struct globals): New.
16878 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
16879 (tree_insert, tree_lookup): New.
16880 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
16881 (clear_marks, sweep_objs): New.
16882 (ggc_collect): Gut. Use clear_marks, sweep_objs.
16883 (init_ggc): Set allocated_last_gc.
16884 (ggc_push_context): Gut. Use G.context.
16885 (ggc_pop_context): Likewise.
16886 (ggc_pop_context_1): New.
16887 (debug_ggc_tree): New.
16888 (debug_ggc_balance, tally_leaves): New.
16889 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
16890 (ggc_mark_string_if_gcable): Remove decl.
16891 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
16892 (ggc_mark_rtvec_children): New.
16893 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
16894 (ggc_mark_if_gcable): New decl.
16895 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
16896 (ggc_alloc_tree, ggc_alloc): Likewise.
16897 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
16898 (ggc_alloc_obj): New decl.
16899 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
16900 (ggc_alloc_tree, ggc_alloc): Likewise.
16901 (ggc_set_mark): New decl.
16902 * rtl.h (struct rtx_def): Remove gc_mark.
16903 (struct rtvec_def): Likewise.
16904 * tree.h (struct tree_common): Likewise.
16906 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
16908 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
16909 float_format and thread_file definitions.
16910 * configure: Rebuilt.
16912 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
16914 * extend.texi (Function Names): Document types of function names.
16916 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16918 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16919 an earlyclobbered output conflict with RELOAD_INPUT reloads.
16921 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16923 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
16925 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16927 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
16929 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
16931 * collect2.c (main): Do prelimnary link on AIX if rflag.
16933 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16935 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
16936 __CTOR_LIST__ in opposite order, which is the correct order for sorted
16938 (__do_global_dtors): similarly for __DTOR_LIST__.
16940 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16941 Diego Novillo <dnovillo@cygnus.com>
16943 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
16946 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
16948 * fixincl/*: Merged "no_bogosity" branch
16949 * fixincl/fixlib.h: protect against doubly defining t_bool
16950 * fixincl/server.h: protect against doubly defining t_bool
16952 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
16954 * genoutput.c: Include toplev.h.
16956 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
16958 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
16960 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
16961 * configure: Regenerate.
16963 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
16965 * gcse.c (delete_null_pointer_checks): Returns void.
16967 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16969 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
16970 * emit-rtl.c (copy_insn_1): Likewise.
16972 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
16974 * config/mips/mips.c (mips_build_va_list): Correct
16975 TREE_CHAIN setting when hard-float.
16976 (mips_va_start): Use corrected setting.
16977 (mips_va_arg): Likewise. Also pass a tree to build of
16978 POSTINCREMENT_EXPR rather than a naked 'int'.
16980 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
16982 * ggc.h (ggc_push_context): Fix comment.
16983 (ggc_pop_context): Likewise.
16984 (mark_string_if_gcable): Likewise.
16985 * ggc-common.c (ggc_mark_rtx_children): Use
16986 ggc_mark_string_if_gcable.
16987 * ggc-page.c (ggc_lookup_page_table): New function.
16988 (ggc_allocated_p): Likewise.
16989 (mark_obj): Fix formatting.
16990 (ggc_mark_string_if_gcable): New function.
16991 * ggc-simple.c (ggc_allocated_strings): New variable.
16992 (ggc_strings_used): Likewise.
16993 (ggc_compare_addresses): New function.
16994 (ggc_pop_context): Pop the `any' memory too.
16995 (ggc_mark_string_if_gcable): New function.
16996 (ggc_collect): Initialize and tear down ggc_allocated_strings.
16998 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17000 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17001 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17002 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17005 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17007 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17008 (sched_reg_live_length, sched_reg_basic_block): Delete.
17009 (current_block_num, bb_live_regs, old_live_regs): Delete.
17010 (dead_notes, struct sometimes): Delete.
17011 (sched_note_set, birthing_insn_p): Delete.
17012 (adjust_priority): Gut useless reg lifetime code.
17013 (create_reg_dead_note, attach_deaths): Delete.
17014 (attach_deaths_insn, new_sometimes_live): Delete.
17015 (finish_sometimes_live): Delete.
17016 (find_pre_sched_live, find_post_sched_live): Delete.
17017 (update_reg_usage): Delete.
17018 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17019 (schedule_insns): Delete reg lifetime code.
17020 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17021 (unlink_other_notes): Adjust REG_NOTE commentary.
17022 (reemit_notes): Use REG_SAVE_NOTE.
17023 (schedule_block): Likewise.
17024 (schedule_region): Allocate bitmap of blocks in region. Use
17025 count_or_remove_death_notes. Use update_life_info.
17027 * rtl.h (REG_SAVE_NOTE): New.
17028 * rtl.c (reg_note_name): Update.
17030 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17032 * combine.c (refresh_blocks, need_refresh): New.
17033 (combine_instructions): Allocate refresh_blocks. Invoke
17034 update_life_info if needed.
17035 (distribute_notes): Mark refresh_blocks instead of installing
17037 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17038 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17040 * Makefile.in (recog.o): Depend on basic-block.h.
17042 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17044 * genrecog.c (add_to_sequence): Thinko last change: delete
17045 shadowing allow_const_int variable.
17047 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17049 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17050 __GNUC__ and __GNUC_MINOR__.
17052 * gansidecl.h: Likewise.
17058 * toplev.h: Likewise.
17060 * tree.c: Likewise.
17062 * tree.h: Likewise.
17064 * varray.c: Likewise.
17066 * varray.h: Likewise.
17068 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17070 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17071 use one before a jump table.
17073 * rtl.def (ADDRESS): Change documentation to match reality.
17074 * md.texi: Don't document it.
17075 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17078 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17080 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17082 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17083 known predicate block; default allow_const_int true.
17084 (debug_decision_list): New.
17086 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17088 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17090 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17092 * gcse.c (gcse_main): Avoid global optimizations if we have a
17093 large number of basic blocks and the ratio of edges to blocks
17095 (delete_null_pointer_checks): Likewise.
17097 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17099 * c-common.c (check_format_info): Warn if format string isn't a
17102 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17104 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17105 * configure: regenerate
17107 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17109 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17110 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17111 (peepholes): Re-enable.
17113 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17115 * Makefile.in (flow.o): Depend on TREE_H.
17116 * basic-block.h (REG_SET_EQUAL_P): New.
17117 (XOR_REG_SET): New.
17118 (n_edges): Declare.
17119 (free_regset_vector): Remove declaration.
17120 (flow_delete_insn_chain): Declare.
17121 (enum update_life_extent): New.
17122 (update_life_info, count_or_remove_death_notes): Declare.
17123 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17124 Verify register live at bb->global_live_at_start before adding USE.
17125 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17126 (CLEAN_ALLOCA): New.
17128 (PROP_*): New flags.
17129 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17130 (clear_edges): Zero n_edges.
17131 (make_edge): Increment n_edges.
17132 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17133 (flow_delete_insn_chain): Export.
17134 (delete_block): Decrement n_edges.
17135 (merge_blocks_nomove): Likewise.
17136 (life_analysis): Give life_analysis_1 PROP flags.
17137 (verify_wide_reg_1, verify_wide_reg): New.
17138 (verify_local_live_at_start): New.
17139 (update_life_info): Rewrite to call into propogate_block.
17141 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17142 always mark stack pointer. Conditionally mark PIC register.
17143 After reload, mark call-saved registers, return regsiters.
17144 (life_analysis_1): Accept PROP flags not remove_dead_code.
17145 Call mark_regs_live_at_end before zeroing regs_ever_live.
17146 Use calculate_global_regs_live. Copy global_live_at_end before
17147 calling final propagate_block. Zero reg_next_use on exit.
17148 (calculate_global_regs_live): New.
17149 (allocate_bb_life_data): Don't allocate bb->local_set.
17150 (init_regset_vector, free_regset_vector): Remove.
17151 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17152 Test flags before every operation. Warn if prologue/epilogue insn
17153 would have been deleted.
17154 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17155 Use alloc_EXPR_LIST.
17156 (mark_used_regs): Accept and use FLAGS, not FINAL.
17157 Remove special handling for RETURN.
17158 (try_pre_increment): Use alloc_EXPR_LIST.
17159 (dump_flow_info): Dump n_edges.
17160 (unlink_insn_chain, split_hard_reg_notes): Remove.
17161 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17162 (find_insn_with_note, new_insn_dead_notes): Remove.
17163 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17164 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17165 (replace_insns): Remove.
17166 (count_or_remove_death_notes): New.
17167 (verify_flow_info): Abort on error after all checks.
17168 (remove_edge): Decrement n_edges.
17169 (remove_fake_edges): Tweak format.
17170 * haifa-sched.c (schedule_insns): Use split_all_insns.
17171 * output.h (update_life_info): Remove declaration.
17172 * recog.c (split_all_insns): From the corpse of split_block_insns,
17173 do the whole function block by block. Use update_life_info.
17174 (recog_last_allowed_insn): New.
17175 (recog_next_insn): Mind it.
17176 (peephole2_optimize): Set it. Walk backwards through blocks.
17177 Use update_life_info.
17178 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17179 (split_all_insns): Declare.
17180 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17181 Use split_all_insns.
17183 * i386.md (or -1 peep2s): Disable.
17185 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17187 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17188 a single pattern. Scrap the 'd' versions as unnecessary.
17190 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17191 tablejump_mips162,tablejump_internal4): The operands to a
17192 label_ref must be VOIDmode.
17194 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17196 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17198 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17200 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17202 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17204 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17205 cache every function if ggc_p.
17207 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17209 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17210 instead of copy_rtx. Accept sequences that contain asm statements.
17211 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17212 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17213 orig_asm_operands_vector, copy_asm_operands_vector,
17214 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17216 * rtl.h (copy_insn, copy_insn_1): Declare.
17218 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17220 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17222 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17223 arguments to `current_file_function_operand'.
17225 * genrecog.c: Include hard-reg-set.h and resource.h in the
17226 generated output file.
17228 * real.c: Include tm_p.h.
17230 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17232 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17235 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17237 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17238 before the fctiwz insn.
17240 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17241 Mark Mitchell <mark@codesourcery.com>
17243 * tree.c (make_lang_type_fn): New funtion pointer.
17244 (make_lang_type): Call it.
17245 * tree.h (make_lang_type): Declare.
17246 (make_lang_type_fn): Likewise.
17247 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17249 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17251 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17252 make sure that HIGH instructions are copied into BASE_REGS.
17254 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17256 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17258 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17260 * c-decl.c (finish_struct): Use simpler method of
17261 removing elements of a singly-linked list.
17263 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17265 * alpha.md (peephole2's): Comment out peephole2's that generate
17268 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17270 * genrecog.c (add_to_sequence): Disable mode check for
17273 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17275 * ggc-simple.c (init_ggc): Set empty_string.
17277 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17279 * configure.in: Detect mmap. Add --with-gc=foo to select
17280 garbage collector; default to page if mmap available.
17281 * Makefile.in (GGC): Substitute.
17283 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17285 * c-decl.c (ggc_p): Enable.
17287 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17289 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17291 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17293 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17294 string for little-endian-data.
17296 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17298 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17299 case somebody tries to compile --enable-checking code with gcc
17302 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17304 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17307 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17309 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17310 * jump.c (jump_optimize_1): Document why.
17312 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17314 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17315 pointers and casts for `int_handler' and `quit_handler'.
17317 * flow.c (verify_flow_info, split_hard_reg_notes,
17318 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17319 remove_edge, remove_fake_successors): Add static prototypes.
17320 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17321 (mark_set_1): Initialize variable `regno'.
17322 (unlink_insn_chain): Likewise for variable `curr'.
17323 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17325 * loop.c (strength_reduce): Initialize variable
17326 `unrolled_insn_copies'.
17327 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17328 prototypes. Change these functions to take const PTR parameters
17329 to avoid prototype conflict when used as the comparson argument
17331 (check_dbra_loop): Initialize variable `comparison_val'.
17333 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17334 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17335 (find_valid_class): Initialize variable `best_class'.
17336 (find_reloads): Call memcpy, not bcopy.
17338 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17339 (hard_reg_use_compare): Don't needlessly cast away const.
17340 (reload_reg_class_lower): Likewise.
17341 (choose_reload_regs): Initialize variable `regno'.
17343 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17345 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17347 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17349 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17350 ({,d}discard): Add forward declarations. Declare parameter as
17352 (main_without_main): Explicitly declare return type to be int.
17353 (memcpy): Properly declare.
17355 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17356 building the trampoline support, declare malloc, free, and
17358 (__clear_cache): Mark arguments as potentially unused.
17360 * frame.c (toplevel): If inhibit_libc is defined, declare
17363 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17365 * flow.c (make_edge): Accept an optional 2D bitmap in which
17366 to cache edge existence. Update all callers.
17367 (make_label_edge, make_eh_edge): Pass through the edge cache.
17368 (make_edges): Provide the cache.
17370 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17372 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17374 (local_mbtowc): Change the type of variable `i' from int to size_t.
17376 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17377 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17379 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17381 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17382 after other includes that define the appropriate types. Include
17383 tm_p.h for getting user prototypes.
17384 * ggc-callbacks.c (toplevel): Ditto.
17385 * ggc-none.c (toplevel): Ditto.
17386 * gcc-page.c (toplevel): Ditto.
17387 * ggc-simple.c (toplevel): Ditto.
17389 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17390 Jonathan Larmour <jlarmour@cygnus.co.uk>
17392 * config/mips/mips.c (mips_move_2words): Split doubles if
17393 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17395 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17397 * genrecog.c (struct decision_test): New.
17398 (struct decision): Remove test-related members, sort the rest by size.
17399 (IS_SPLIT): Simplify.
17400 (new_decision, new_decision_test): New.
17401 (add_to_sequence): Use them. No special handling for args of
17403 (maybe_both_true): Renamed from not_both_true; return sense changed.
17404 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17405 of maybe_both_true and adjusted for decision_test.
17406 (position_merit): Remove.
17407 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17408 (merge_accept_insn): New, broken out of merge_trees.
17409 (merge_trees): Use them. No special case for c_test; no node
17410 splitting; use test type instead of position_merit.
17411 (factor_tests): New.
17412 (simplify_tests): New.
17413 (break_out_subroutines): Don't write code now.
17414 (find_afterward): New.
17415 (write_afterward, write_switch, write_cond): New.
17416 (write_action, is_unconditional): New.
17417 (write_node): New. Use them.
17418 (write_tree_1): Rewrite. Use the new functions above.
17419 (write_tree): Remove afterward processing.
17420 (write_subroutine): Simplify function variant emission.
17421 (write_subroutines): New.
17422 (same_codes, clear_codes): Remove.
17423 (same_modes, clear_modes): Remove.
17424 (write_header): New, broken out of main.
17425 (make_insn_sequence): Use new_decision and new_decision_test.
17426 (process_tree): New, broken out of main.
17427 (main): Adjust for merge_trees interface change.
17428 Don't #define operands in the output file.
17429 (record_insn_name): New, broken out of make_insn_sequence.
17430 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17431 (debug_decision): New.
17433 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17435 * resource.c (find_free_register): Mark class_str argument const.
17436 * resource.h: Update prototype to match.
17438 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17439 * i386.md: Give all anonymous insns names.
17441 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17443 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17446 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17448 * toplev.c (dbr_sched_time): Unconditional.
17449 (peephole2_time): New.
17450 (compile_file): Add pass numbers to all of the dump file suffixes.
17451 Dump peephole2_time. Don't dump times for non-applicable passes.
17452 (rest_of_compilation): Add pass numbers to dump file suffixes.
17453 Conditionalize calls to the scheduler.
17454 * invoke.texi: Update.
17456 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17458 * flow.c (make_edges): Fix insn iteration.
17459 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17460 (find_basic_blocks_1): Fix spelling mistake.
17462 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17464 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17465 always have side-effects. Use memset not bzero.
17466 (make_node): Likewise.
17468 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17470 * stmt.c (expand_anon_union_decl): When any of the elements of the
17471 union is addressable, so is the entire union.
17473 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17475 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17477 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17478 * bitmap.c (bitmap_operation): Return true iff TO changed.
17479 (bitmap_equal_p): New.
17480 (bitmap_bit_p): Tidy arithmetic.
17481 (debug_bitmap_file): Likewise.
17483 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17485 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17486 before cse2 instead of after.
17488 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17490 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17493 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17495 * cppinit.c (is_idchar initializer): Loosen tests to accept
17498 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17500 * mips.md: Define conditional move patterns for floating point
17501 operands and DI mode conditions.
17503 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17505 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17506 always have side-effects.
17508 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17510 * mn10200.c (asm_file_start): Fix typo.
17512 * cppinit.c (is_idchar initializer): Tighten tests for when
17513 to put the table into initialized memory.
17515 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17516 not an array of rtunion.
17517 * gcc-page.c (ggc_alloc_rtvec): Similarly.
17518 * gcc-simple (ggc_free_rtvec): Similarly.
17520 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
17523 * mbchar.h: Add missing #endif.
17525 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
17526 (FPBIT, DPBIT): Define.
17528 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17530 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
17532 * profile.c (instrument_arcs, output_gcov_string,
17533 tablejump_entry_p): Add static prototypes.
17534 (output_gcov_string): Constify a char*.
17536 * regmove.c (replacement_quality, fixup_match_2): Add static
17539 * resource.h (reg_dead_p): Add extern prototype.
17541 * rtl.c (trim_filename): Add static prototype.
17543 * scan-decls.c (skip_to_closing_brace): Likewise.
17545 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
17546 (expand_end_case): Initialize variable `range'.
17547 (emit_case_nodes): Remove unused prototype `rtx_fn'.
17549 * varasm.c (asm_emit_uninitialised): Add static prototype.
17550 (asm_emit_uninitialised, assemble_variable): Mark parameter with
17553 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17555 * cpplib.c (if_directive_nameo): Add static prototype.
17557 * cse.c (cse_insn): Remove unused variable `p'.
17559 * except.c (create_rethrow_ref, push_entry,
17560 receive_exception_label, new_eh_region_entry, find_func_region,
17561 clear_function_eh_region, process_nestinfo): Add static prototypes.
17562 (get_reg_for_handler): Hide definition.
17563 (process_nestinfo): Initialize variable `extra_handlers'.
17565 * expr.h (expand_builtin_longjmp): Add extern prototype.
17567 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
17569 * function.c (prepare_function_start): Likewise.
17570 (pop_function_context_from): Mark parameter `context' with
17572 (push_temp_slots_for_block, flush_addressof): Hide definition.
17574 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
17575 solve_program_flow_graph, calculate_branch_probs,
17576 function_summary, main, fancy_abort): Add prototypes.
17578 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
17579 (add_hash): Constify a char*.
17581 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
17582 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
17583 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
17585 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
17587 * lists.c (free_list, zap_lists): Likewise.
17589 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17591 * alias.c (nonlocal_reference_p): Add static prototype.
17593 * bitmap.c (bitmap_element_allocate): Prototype args in function
17596 * builtins.c (stabilize_va_list): Add static prototype.
17597 (expand_builtin_va_arg): Constify a char*.
17599 * c-lex.c (getch, put_back, extend_token_buffer_to,
17600 read_line_number, token_getch, token_put_back): Add static
17603 * c-parse.gperf (hash, is_reserved_word): Likewise.
17605 * cccp.c (is_dir_separator): Likewise.
17607 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17609 * graph.h: New file to prototype functions exported by graph.c.
17611 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
17613 * graph.c: Include graph.h.
17615 * toplev.c: Likewise. Remove redundant prototypes.
17617 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
17619 * invoke.texi: Removed duplicated description for -Q.
17621 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
17623 * extend.texi: Grammar fix in __extension__ text.
17625 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
17627 * md.texi (define_peephole2): New section.
17629 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
17631 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
17632 (mov $-1 to or peepholer): Enable for pentium when optimizing for
17635 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
17637 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
17639 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
17641 * i386.md (ffs expander): Emit Pentium friendly code for
17644 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
17646 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
17648 (build1): Likewise.
17650 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17652 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
17654 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
17656 * config/m68k/m68k.c (use_return_insn): Return false if the pic
17657 register is in use.
17659 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17661 * md.texi (No Constraints): Delete section.
17662 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
17663 * final.c (final_scan_insn): We always have register constraints.
17664 * genattrtab.c: Don't include "insn-config.h".
17665 (write_attr_case): We always have register constraints.
17666 * genconfig.c (register_constraint_flag): Delete.
17667 (walk_insn_part): Don't check whether we have register constraints.
17668 (main): Don't write out "#define REGISTER_CONSTRAINTS".
17669 * genoutput.c (have_constraints): Delete.
17670 (main): Don't set it.
17671 (output_operand_data): We always have constraints.
17672 (scan_operands): Likewise.
17673 (compare_operands): Likewise.
17674 * local-alloc.c (block_alloc): We always have constraints.
17675 (requires_inout): Always compile this function.
17676 * recog.c (extract_insn): We always have constraints.
17677 (constrain_operands, reg_fits_class_p): Always compile these
17679 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
17681 (struct insn_operand_data): Likewise.
17682 * regclass.c (regclass): We always have constraints.
17683 (record_reg_classes, copy_cost, record_address_regs,
17684 auto_inc_dec_reg_p): Always compile these functions.
17685 * regmove.c (regmove_optimize): We always have constraints.
17686 * reload.c (find_reloads): Likewise.
17687 * reload1.c (reload): Likewise.
17688 (reload_cse_simplify_operands): Likewise.
17689 * i860.c (output_delay_insn): Likewise.
17691 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
17693 * iris6.h (BUILD_VA_LIST_TYPE): Define.
17695 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17697 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
17698 for the va_list record.
17700 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
17702 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
17705 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
17707 * alias.c: Include insn-flags.h.
17708 * Makefile.in (alias.o): Update.
17710 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
17712 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
17713 to LTU and GEU. Handle more cases using sbb.
17715 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
17717 * i386.md (truncatexfdf splitters): Do not use subreg.
17718 (fop XFmode patterns): Fix mode in operand testing.
17720 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
17722 * jump.c (jump_optimize_1): Amend last change to test only the
17723 form of the operand, not the insn.
17725 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
17726 not register_operand to determine when B may need preloading.
17728 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
17730 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
17731 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
17732 (call-value patterns): Move to end of file.
17733 (*): Remove mode from label_ref in (pc) context.
17734 (movstrqi): Use memory not general_operand for BLKmode operands.
17735 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
17736 to register_operand operands.
17737 (peep2 patterns): Convert from commented-out peephole patterns.
17739 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17741 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
17742 to BUILT_IN_INIT_DWARF_REG_SIZES.
17743 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
17744 Renamed from BUILT_IN_DWARF_REG_SIZE; call
17745 expand_builtin_init_dwarf_reg_sizes.
17746 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
17747 with __builtin_init_dwarf_reg_size_table.
17748 * dwarf2out.c (struct reg_size_range): Delete.
17749 (expand_builtin_init_dwarf_reg_sizes): New function.
17750 (expand_builtin_dwarf_reg_size): Delete.
17751 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
17752 (expand_builtin_dwarf_reg_size): Don't declare.
17753 * libgcc2.c (dwarf_reg_size_table_initialized): New.
17754 (dwarf_reg_size_table): New.
17755 (init_reg_size_table): New function.
17756 (copy_reg): Use dwarf_reg_size_table.
17757 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
17760 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
17762 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
17763 Correctly build argument list to constructor and destructor functions.
17765 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
17767 * c-tree.h (warn_float_equal): Declare.
17768 * c-decl.c (warn_float_equal): Define.
17769 (c_decode_option): Recognize -W[no-]float-equal.
17770 * c-typeck.c (build_binary_op): Conditionally warn
17771 about equality tests of floating point types.
17772 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
17773 * invoke.texi: Add docs for -Wfloat-equal warning.
17775 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
17777 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
17778 generating RTL directly.
17779 * mips.h (INIT_TARGET_OPTABS): Likewise.
17780 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
17782 * expr.h (init_mov_optab): Delete declaration
17784 * h8300.c (WORD_REG_USED): Update to avoid useless register
17785 saves in interrupt functions and functions which never return.
17787 * cse.c (struct set): Delete inner_dest_loc field.
17788 (cse_insn): Remove assignments to inner_dest_loc field.
17790 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
17792 * ggc-page.c: Don't include <unistd.h> etc taken care of
17793 by "system.h". Include <sys/mman.h> afterward.
17795 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
17797 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
17800 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
17802 * xcoffout.c (xcoffout_declare_function): Add documentation.
17803 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
17804 TARGET_64BIT. Compare constant to -1, not bit pattern.
17805 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
17806 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
17809 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
17811 * dwarf2out.c (add_abstract_origin_attribute): Abort if
17812 origin_die is NULL.
17813 (gen_inlined_enumeration_type_die): Do not abort if the type has
17814 not been writeen out.
17815 (gen_inlined_structure_type_die): Do not abort if the type has
17816 not been writeen out.
17817 (gen_inlined_union_type_die): Do not abort if the type has
17818 not been writeen out.
17819 (gen_tagged_type_instantiation_die): Do not abort if the type
17820 has not been written out.
17822 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17824 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
17826 * reg-stack.c (straighten_stack): Copy hard reg set with
17829 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
17831 * builtins.c (stabilize_va_list): Stabilize array type va_list
17832 to a pointer type, not the base record type.
17833 (expand_builtin_va_copy): Dereference the pointers explicitly;
17834 use the correct size for the copy.
17836 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
17837 (rs6000_va_arg): Likewise.
17839 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
17841 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
17843 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
17845 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
17847 (DECL_BUILT_IN_CLASS): Adjust accordingly.
17849 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
17851 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
17852 (init_ggc): Use it instead of a constant.
17853 (ggc_collect): Bound allocated_last_gc by it.
17855 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
17857 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
17860 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
17862 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
17863 (mips*-*-openbsd*): Let big endian configuration be a fragment.
17864 * configure: Regen.
17865 * config/mips/openbsd.h: New, OpenBSD little endian target.
17866 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
17867 * config/mips/xm-openbsd.h: New, OpenBSD host.
17869 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
17871 * config/m68k/m68k.c (output_function_prologue,
17872 output_function_epilogue): Use
17873 current_function_uses_pic_offset_table instead of regs_ever_live
17874 to decide whether to save/restore pic register.
17875 (legitimize_pic_address): Don't modify regs_ever_live any more.
17877 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
17879 * function.h (struct function): Add x_dont_save_pending_sizes_p.
17880 * stor-layout.c (variable_size): Don't add sizes to the pending
17881 sizes list if x_dont_save_pending_sizes_p is set.
17883 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
17885 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
17886 for symbolic_operand().
17887 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
17889 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17891 * combine.c (gen_rtx_combine): Add missing call to va_end().
17893 * final.c (asm_fprintf): Likewise.
17895 * genattrtab.c (attr_rtx): Likewise.
17897 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
17899 * cse.c: Update comments.
17900 (cse_insn): When converting a conditional/computed jump into
17901 an unconditional jump, always make sure a BARRIER immediately
17902 follows the converted jump. Do not delete unreachable code.
17903 (cse_basic_block): Do not delete unreachable code.
17904 * toplev.c (rest_of_compilation): Move call to
17905 delete_trivially_dead_insns after the conditional call to
17908 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17910 * collect2.c (make_temp_file): Don't prototype.
17912 * gcc.c (make_temp_file): Likewise.
17914 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
17916 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
17918 * varasm.c (asm_emit_uninitialised): New function: Generate
17919 the assembler statements necessary to declare an uninitialised
17921 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
17923 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
17924 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
17926 (assemble_variable): Use asm_emit_uninitialised to emit an
17927 uninitialised variable.
17929 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
17931 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
17932 constant on a 64 bit host. Patch supplied by Geoffrey Keating
17933 <geoffk@cygnus.com>.
17935 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17937 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
17938 * c-common.h (builtin_function): Don't declare.
17940 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
17942 (pushdecl): Likewise.
17943 (finish_decl): Likewise.
17944 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
17945 int. All callers changed.
17946 Set the builtin's DECL_BUILT_IN_CLASS.
17947 * tree.h (enum built_in_class): New.
17948 (enum built_in_function): Delete NOT_BUILT_IN.
17949 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
17951 (DECL_SET_FUNCTION_CODE): Likewise.
17952 (DECL_BUILT_IN_CLASS): New macro.
17953 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
17954 (struct tree_decl): Split builtin function code field into a
17956 (builtin_function): Declare.
17958 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
17960 * optabs.c (init_traps): Fix typo in last change.
17962 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
17964 * toplev.c (rest_of_decl_compilation): Update comment.
17966 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17968 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
17969 in .sbss if appropriate.
17970 (EXTRA_SECTION_FUNCTIONS): Add sbss.
17971 (SBSS_SECTION_ASM_OP): New macro.
17972 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
17973 (EXTRA_SECTIONS): Add in_sbss.
17974 * config/mips/mips.h: Prototype sbss_section.
17976 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
17978 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
17981 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
17983 * optabs.c (init_traps): Register trap_rtx as a GC root.
17985 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17987 * config/mips/mips.c (function_arg_pass_by_reference): Define
17988 unconditionally, since it's called unconditionally.
17990 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17992 * toplev.c (documented_lang_options): Add -fshort-wchar.
17993 * c-decl.c (c_decode_option): Likewise.
17994 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
17996 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
17997 * gcc.c (default_compilers): If -fshort-wchar,
17998 override __WCHAR_TYPE__.
17999 * tm.texi (C Dialect Options): Add -fshort-wchar.
18001 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18002 symbol for a variable.
18004 * cpplib.h (CPP_PREPROCESSED): New macro.
18005 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18006 we're seeing this input for a second time.
18008 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18010 * emit-rtl.c (init_emit_once): Initialize modes first.
18012 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18014 * config/i386/i386.c (pic_label_name): Change to char pointer.
18015 (global_offset_table): New variable.
18016 (load_pic_register): Fill global_offset_table if it hasn't
18017 already been done. Allocate pic_label_name dynamically.
18018 * ggc.h (empty_string): New variable.
18019 * ggc-simple.c (empty_string): Likewise.
18020 (init_ggc): Allocate empty_string and add as root.
18021 * stmt.c (digit_strings): New variable.
18022 (init_stmt): Add last_block_end_note as root. Allocate and
18023 initialize digit_strings.
18024 (expand_asm_operands): Use empty_string instead of string
18025 constant. Use digit_strings instead of string constants.
18026 * profile.c (init_arc_profiler): Allocate string with
18027 ggc_alloc_string instead of xmalloc.
18028 (output_func_start_profiler): Likewise.
18029 * c-typeck.c (digest_init): Check if init is error_mark_node.
18031 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18032 Richard Henderson <rth@cygnus.com>
18034 * ggc-page.c: New file.
18035 * Makefile.in (ggc-page.o): New.
18037 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18039 * invoke.texi: Document -fdelete-null-pointer-checks
18040 * toplev.c (flag_delete_null_pointer_checks): New.
18041 (f_options): Add entry for -fdelete-null-pointer-checks.
18042 (rest_of_compilation): Conditionalize null pointer check
18043 elimination on flag_delete_null_pointer_checks.
18044 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18046 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18048 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18049 copyright notice and special exception to GPL.
18051 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18053 * abi64.h (mips_function_value): Add prototype arguments.
18055 * mips-protos.h: New file with mips prototypes.
18057 * mips.c: Include "tm_p.h".
18058 (mktemp, lookup_name): Add prototype arguments.
18059 (extern_list, string_constant, mips_fill_delay_slot,
18060 mips_output_external, mips_output_external_libcall,
18061 mips_output_filename, mips_declare_object, function_prologue,
18062 mips_expand_prologue, function_epilogue, mips16_constant,
18063 build_mips16_function_stub, mips_output_conditional_branch):
18065 (mips_va_start): Remove unused variable `u'.
18066 (mips_va_arg): Cast value to unsigned when comparing against one.
18068 (save_restore_insns, mips_expand_prologue): Add missing arg in
18069 call to `large_int'.
18071 * mips.h: Move prototypes to mips-protos.h.
18072 (data_section, memory_address_p, rdata_section,
18073 readonly_data_section, simple_epilogue_p, text_section): Delete
18074 prototypes delcared elsewhere.
18075 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18077 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18079 * mips.md: Delete extra args in call to `mips_move_2words'.
18081 * xm-iris6.h (alloca): Add prototype argument.
18083 * genpeep.c: Include "tm_p.h" in generated output file.
18085 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18087 * basic-block.h (find_edge_index): Change parameters.
18088 * flow.c (verify_edge_list): Pass basic_block parameters to
18089 find_edge_index instead of integers.
18091 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18093 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18096 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18098 * gcc.1: Fix a formatting error.
18100 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18102 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18103 i786, mn10200, mn10300, pdp11, v850.
18105 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18107 * libgcc2.c (num_digits): Add prototype with
18108 __attribute__((const)).
18109 (__terminate): Add prototype.
18111 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18113 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18115 * alpha/alpha.c (print_operand): Fix type of `code'.
18116 (alpha_output_filename): Constify.
18117 * alpha/alpha.h: Move all function declarations ...
18118 * alpha/alpha-protos.h: ... here. New file.
18119 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18120 (SECTION_FUNCTION_TEMPLATE): Likewise.
18122 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18124 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18125 * expr.c (expand_expr): Likewise.
18126 (do_jump): Likewise.
18127 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18128 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18130 (enum can_compare_purpose): New.
18131 (can_compare_p): Adjust prototype.
18132 (prepare_cmp_insn, prepare_operand): Declare.
18133 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18134 * optabs.c (cmp_available_p): Deleted.
18135 (expand_abs): Pass ccp_jump to can_compare_p.
18136 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18137 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18138 Call can_compare_p rather than cmp_available_p.
18139 (prepare_operand): No longer static.
18140 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18141 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18142 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18143 sequence to use emit_cmp_and_jump_insns.
18144 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18146 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18148 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18149 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18150 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18151 (plus (reg) (const_int 0))
18152 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18154 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18156 * rs6000.c (expand_block_move): DImode loads and stores require
18157 word-aligned displacements. Increment address registers with
18158 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18160 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18162 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18163 is no name for the base type, rather than segfault. If we are
18164 writing out a complex integer type, use DW_ATE_lo_user.
18166 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18167 in one word or less (complex char, complex short, or on 64 bit
18168 systems complex float) to/from a hard register, copy it through
18169 memory instead of dying in gen_{real,imag}part. If we have a
18170 short complex type, prevent inlining since it allocates stack
18173 * tree.c (build_complex_type): If we are writing dwarf2 output,
18174 generate a name for complex integer types.
18176 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18178 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18179 * flow.c (remove_edge): Remove extra whitespace.
18180 (remove_fake_edges): Fix comment.
18181 (add_noreturn_fake_exit_edges): Use the correct name.
18183 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18185 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18186 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18187 (clean): Depend on INTL_CLEAN.
18188 (maintainer-clean): Adjust.
18190 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18192 * configure.in (AC_PREREQ): Bump to 2.13.
18193 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18195 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18197 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18199 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18201 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18202 (HAVE_STRINGIZE): Define.
18204 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18206 * c-parse.in: save and restore warn_pointer_arith on __extension__
18207 along with pedantic.
18208 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18209 Set the type of extension to itype rather than $<itype>1 kludge.
18210 * extend.texi (Alternate Keywords): Adjust documentation.
18211 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18213 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18215 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18216 most assembler templates.
18218 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18219 FP loads and stores.
18220 (following_call): Always return zero for the PA8000.
18221 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18222 FP loads and stores.
18223 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18225 * pa.h (BRANCH_COST): Define.
18227 * pa.md (return, return_internal): Use bve for PA2.0.
18229 * pa.md (fused multiply): Add variants which reduce height for the
18230 fused multiply, but which still generate 2 insns.
18231 (fnegabs): Similarly.
18233 * pa.md (subsi3): Turn into an expander. Create two anonymous
18234 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18235 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18237 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18239 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18241 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18242 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18244 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18247 * flow.c (record_active_eh_regions): Terminate loop after finding
18248 the last insn in the last basic block.
18250 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18252 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18254 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18256 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18258 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18260 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18261 splitting to not use output template.
18263 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18265 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18266 * config/c4x/c4x.c (c4x_va_start): New function.
18268 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18270 * genrecog.c (not_both_true): Handle correctly cases when called for
18271 tests with different positions in the insn.
18273 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18275 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18277 * system.h (HOST_PTR_PRINTF): ... to here.
18279 * mips-tfile.c: Don't include machmode.h.
18281 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18282 (mips-tfile.o): Don't depend on machmode.h.
18284 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18286 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18287 avoid conflicts with typedef struct `region' at the top level scope.
18289 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18291 * basic-block.h (basic_block): Add eh_beg, eh_end.
18292 * flow.c (entry_exit_blocks): Update.
18293 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18294 Call new functions.
18295 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18296 lists.c functions to allocate insn lists.
18297 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18299 (make_eh_edge): ... here. New.
18300 (move_stray_eh_region_notes): New.
18301 (record_active_eh_regions): New.
18302 (delete_unreachable_blocks): Split out block merging ...
18303 (try_merge_blocks): ... here. New.
18304 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18305 Dump debugging data.
18306 (merge_blocks_move_successor_nojumps): Likewise.
18307 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18309 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18311 * extend.texi (Bound member functions): Document unbound pmf
18314 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18316 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18317 has the EXIT_BLOCK as a dest.
18319 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18321 * flow.c (remove_edge): New function to remove an edge from the
18323 (remove_fake_successors): New function to remove fake successor edges.
18324 (remove_fake_edges): New function to remove all fake edges from the
18326 (add_fake_exit_edges): New function to add fake edges from all blocks
18327 with no successors to the exit block.
18328 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18329 prototypes for new functions.
18331 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18333 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18334 Use Pmode to determine whether to output .dword or .word.
18336 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18338 * tree.c (built_in_filename): New variable.
18339 (BUILT_IN_FILENAME): New macro.
18340 (init_tree_codes): Allocate built_in_filename.
18341 (make_node): Use built_in_filename instead of string constant.
18343 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18345 * configure.in: Add fr30 target.
18346 * configure: Regenerate.
18347 * config/fr30: New directory.
18348 * config/fr30/crti.asm: New file.
18349 * config/fr30/fr30.c: New file.
18350 * config/fr30/crtn.asm: New file.
18351 * config/fr30/fr30.h: New file.
18352 * config/fr30/fr30.md: New file.
18353 * config/fr30/lib1funcs.asm: New file.
18354 * config/fr30/t-fr30: New file.
18355 * config/fr30/xm-fr30.h: New file.
18357 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18359 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18360 BARRIER at the end of the successor, not the BARRIER before
18363 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18365 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18367 * stmt.c (any_pending_cleanups): Don't crash when
18368 current_function->stmt is unset.
18370 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18372 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18373 other initializations that may use it for relative offsets.
18375 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18377 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18378 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18379 * config/i386/sol2dbg.h: Removed.
18380 * config/i386/sol2gas.h: New file, to enable gas work-around.
18381 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18382 Don't use sol2dbg.h.
18383 * configure: Rebuilt.
18385 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18387 * invoke.texi (-fthis-is-variable): Remove documentation.
18389 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18391 * basic-block.h (compute_bb_for_insn): Declare.
18392 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18393 to use; set size of basic_block_for_insn directly.
18394 (find_basic_blocks): Update.
18396 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18398 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18400 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18402 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18403 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18405 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18407 * c-decl.c (c_decode_option): Extend comment.
18409 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18411 * toplev.c (progname): Make 'const char *'
18412 (flag_print_mem): Move out of main.
18413 (version_flag): Move out of main.
18414 (filename): Move out of main.
18415 (debug_args): Remove g prefix from options.
18416 (documented_lang_options): Remove cpplib specific options.
18417 (display_help): Add g prefix to debug options.
18418 (check_lang_option): Delete this function.
18419 (decode_d_option): New function: Decode -d... option.
18420 (decode_f_option): New function: Decode -f... option.
18421 (decode_W_option): New function: Decode -W... option.
18422 (decode_g_option): New function: Decode -g... option.
18423 (independent_decode_option): New function: Decode a language
18424 independent command line option.
18425 (main): Invoke lang_decode_option and then
18426 independent_decode_option on each command line option in
18429 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18431 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18432 * fold-const.c (fold_range_test): Do not try to fold the range
18433 test if the rhs or lhs has side effects.
18435 * basic-block.h (compute_flow_dominators): Declare.
18437 * gcse.c (alloc_code_hoist_mem): New function.
18438 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18439 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18440 (hoist_code, one_code_hoisting_pass): Likewise.
18441 (gcse_main): If optimizing for size, then hoist expressions
18442 computed in multiple dominated basic blocks.
18444 * gcse.c (invalid_nonnull_info): New function.
18445 (delete_null_pointer_checks): Likewise.
18446 * rtl.h (delete_null_pointer_checks): Declare.
18447 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18449 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18450 (merge-blocks_move_successor_nojumps): Likewise.
18451 (merge_blocks): Allow merging of some blocks, even if it requires
18452 physical movement of the blocks, but not if it requires new jumps.
18454 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18455 Callers and prototype changed.
18456 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18458 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18460 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18461 -YP when both -p and -pg are present. From i386/sol2.h.
18463 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18465 * Makefile.in (distclean): Delete tm_p.h.
18466 * configure.in: Create a new file, "tm_p.h", from a list in
18467 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18468 "i386/i386-protos.h".
18470 * alias.c: Include "tm_p.h".
18471 * c-typeck.c: Likewise.
18472 * calls.c: Likewise.
18474 * emit-rtl.c: Likewise.
18475 * explow.c: Likewise.
18476 * expmed.c: Likewise.
18477 * expr.c: Likewise.
18478 * final.c: Likewise.
18479 * flow.c: Likewise.
18480 * fold-const.c: Likewise.
18481 * function.c: Likewise.
18482 * gcse.c: Likewise.
18483 * global.c: Likewise.
18484 * haifa-sched.c: Likewise.
18485 * integrate.c: Likewise.
18486 * jump.c: Likewise.
18487 * local-alloc.c: Likewise.
18488 * loop.c: Likewise.
18489 * optabs.c: Likewise.
18490 * recog.c: Likewise.
18491 * reg-stack.c: Likewise.
18492 * regclass.c: Likewise.
18493 * regmove.c: Likewise.
18494 * reload.c: Likewise.
18495 * reload1.c: Likewise.
18496 * reorg.c: Likewise.
18497 * resource.c: Likewise.
18498 * stmt.c: Likewise.
18499 * stor-layout.c: Likewise.
18500 * toplev.c: Likewise.
18501 * tree.c: Likewise.
18502 * unroll.c: Likewise.
18503 * genattrtab.c (main): Make generated file include "tm_p.h".
18504 * genemit.c (main): Likewise.
18505 * genoutput.c (main): Likewise.
18506 * genrecog.c (main): Likewise.
18508 * i386.h: Delete all prototypes.
18509 * i386.c: Include "tm_p.h".
18510 (ix86_attr_length_default): Call constant_call_address_operand
18511 with correct number of arguments.
18512 * i386-protos.h: New file.
18513 * i386.md (unnamed patterns): Call constant_call_address_operand
18514 with correct number of arguments.
18515 (exception_receiver): Call load_pic_register with correct number
18518 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
18520 * c-pragma.c (mark_align_stack): Dereference the void* properly.
18522 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
18524 * rtl.h (insns_safe_to_move_p): New function.
18525 * loop.c (find_and_verify_loops): Use it.
18526 * rtlanal.c (insns_safe_to_move_p): Define it.
18528 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
18530 * c-pragma.c: Include ggc.h.
18531 * Makefile.in (c-pragma.o): Update.
18533 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18535 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
18536 (LIB_SPEC): Likewise.
18537 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
18538 Reindent -YP/-p/-pg.
18539 Copied from config/sparc/sol2.h.
18541 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
18543 * c-pragma.c (mark_align_stack): New.
18544 (init_pragma): New.
18545 * c-pragma.h (init_pragma): Declare it.
18546 * c-lex.c (init_parse): Call it.
18548 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18550 * configure.in: Pick up thread library on Solaris/x86 just
18551 like on Solaris/sparc.
18552 * configure: Rebuilt.
18554 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
18556 * rtl.h (global_rtx_index): New enum.
18557 (global_rtl): Change to array of rtx.
18558 (pc_rtx, cc0_rtx): Redefine accordingly.
18559 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
18560 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
18561 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
18562 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
18563 (const_int_rtx): Change to array of rtx.
18564 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
18566 * emit-rtl.c (global_rtl): Change to array of rtx.
18567 (const_int_rtx): Change to aray of rtx.
18568 (gen_rtx_CONST_INT): Redefine accordingly.
18569 (init_emit_once): Allocate and initialize global_rtl. Likewise
18570 for const_int_rtx. Add both as GC roots.
18571 * genattrtab.c (global_rtl): Update declaration.
18573 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
18575 * Makefile (USER_H): Add iso646.h back.
18577 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
18579 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
18580 zapping the LOG_LINKS of sched_before_next_call.
18582 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
18583 * pa.c (insn_refs_are_delayed): Renamed from
18584 insn_sets_and_refs_are_delayed.
18586 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
18588 * functiion.h (struct function): Add x_whole_function_mode_p.
18589 (retrofit_block): Declare.
18590 * function.c (retrofit_block): New function.
18591 (identify_blocks): Add assertions. Allow an incomplete set of
18592 block notes if we're still generating code for the function.
18593 * integrate.c: Include loop.h.
18594 (expand_inline_function): Call find_loop_tree_blocks to map block
18595 notes to blocks when in whole-function mode. Use retrofit_block
18596 to insert new BLOCKs for the inlined function, rather than
18598 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
18599 * Makefile.in (integrate.o): Depend on loop.h.
18601 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
18603 * tree.h (warn_about_unused_variables): Declare.
18604 * stmt.c (warn_about_unused_variables): New function, split out
18606 (expand_end_bindings): Here.
18608 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
18610 * stmt.c (preserve_subexpressions_p): Don't crash when
18611 current_function->stmt is unset.
18613 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
18615 * stmt.c (expand_start_bindings): Allow callers to pass a flag
18616 indicating that no NOTE_INSN_BLOCK_BEG note is required.
18617 (expand_start_target_temps): Use it.
18618 * except.c (expand_eh_region_start_for_decl): Likewise.
18619 * expr.c (expand_expr): Likewise.
18621 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
18623 * fold-const.c (operand_equal_p): Pay attention to side effects.
18625 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
18627 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
18628 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
18630 * tlink.c (scan_linker_output): Look for keywords before accepting
18631 a mangled name in quotes.
18633 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
18635 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
18636 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
18638 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
18640 * alpha.md: Revert Thu Nov 26 change that came in through the
18641 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
18642 Avoid earlyclobber when possible.
18644 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18646 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
18648 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
18649 Define HAVE_ON_EXIT.
18651 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18653 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
18654 CTYPE_CONV in all ctype macros.
18656 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
18659 * cexp.y (initialize_random_junk): Likewise.
18661 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
18663 * i370.c (handle_pragma): Likewise.
18665 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
18667 * v850.c (override_options): Likewise.
18669 * doprint.c (_doprnt): Likewise.
18671 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
18674 * fixinc/server.c (load_data): Likewise.
18676 * fold-const.c (real_hex_to_f): Likewise.
18678 * genattr.c (write_upcase, gen_attr): Likewise.
18680 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
18681 write_upcase): Likewise.
18683 * genemit.c (print_code): Likewise.
18685 * genopinit.c (gen_insn): Likewise.
18687 * genpeep.c (print_code): Likewise.
18689 * genrecog.c (print_code): Likewise.
18691 * optabs.c (init_libfuncs): Likewise.
18693 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
18695 * haifa-sched.c (sched_analyze): Keep the list of notes organized
18697 (reemit_notes): Likewise.
18699 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
18701 * ggc.h (ggc_root): Move to ggc-common.c.
18703 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
18704 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
18705 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
18706 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
18707 * ggc-common.c (ggc_root): Move from ggc.h.
18708 (roots): Declare, static.
18709 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
18710 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
18711 null or check/set mark bit.
18712 (ggc_mark_roots): New.
18713 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
18715 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
18717 * m32r.c: Include toplev.h.
18718 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
18719 (gen_compare): Rename swap_p to must_swap to match uses.
18720 Add default abort case.
18721 (m32r_output_function_epilogue): Remove unused variables.
18722 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
18723 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
18724 define to empty parameter list. Update all uses.
18725 (predicate decls): Use enum machine_mode not int.
18726 * m32r.md (movsi): Call abort, not fatal_insn.
18727 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
18729 1999-09-14 Andrew Haley <aph@cygnus.com>
18731 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
18732 use $0 instead of 0.
18734 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18736 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
18737 computation out of loop over hard regs.
18739 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
18741 * function.c (identify_blocks): Don't shadow a variable in an
18743 * integrate.c (integrate_decl_tree): Don't use pushlevel,
18744 pushdecl, or poplevel to build up the new BLOCK tree.
18745 (expand_inline_function): Likewise.
18746 (integrate_parm_decls): Likewise.
18748 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
18750 * c-typeck.c (qualify_type): Merge qualifiers from both types.
18752 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
18754 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
18755 * invoke.texi: Document this change.
18757 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
18759 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
18761 (mark_emit_status): Renamed from mark_emit_state.
18762 * except.c (mark_eh_status): Renamed from mark_eh_state.
18763 Check not null before marking.
18764 (free_eh_status): New.
18765 * expr.c (mark_expr_status, free_expr_status): New.
18766 * function.c (free_machine_status): New.
18767 (free_after_parsing): New.
18768 (free_after_compilation): Move bits to free_after_parsing; call
18769 free_eh_status, free_expr_status; zero the marked members of the
18771 (prepare_function_start): No can_garbage_collect.
18772 Call init_eh_for_function.
18773 (expand_dummy_function_end): Free up current_function state.
18774 (mark_function_status): Renamed from mark_function_state.
18775 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
18776 * function.h (struct function): No can_garbage_collect.
18777 (free_machine_status, free_after_parsing): Declare.
18778 (free_eh_status, free_expr_status): Declare.
18779 * ggc.h (mark_expr_status): Declare.
18780 * stmt.c (free_stmt_status): Free the struct.
18781 (mark_stmt_status): Renamed from mark_stmt_state.
18782 (init_stmt): Don't call init_eh.
18783 (init_stmt_for_function): Don't call init_eh_for_function.
18784 * toplev.c (compile_file): Call init_eh.
18785 (rest_of_compilation): Free basic block info before ggc_collect.
18786 Call free_after_parsing; conditionally call free_after_compilation.
18787 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
18788 Check not null before marking.
18789 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
18791 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
18793 * c-lex.c (yylex): Initialize warn.
18795 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
18797 * pa.c (emit_move_sequence): Properly set the mode of the scratch
18798 register when performing secondary reloads for the SAR register.
18800 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
18802 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
18803 (NOTE_BLOCK): New macro.
18804 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
18805 * function.h (identify_blocks): Change prototype.
18806 * function.c (identify_blocks): Simplify.
18807 (reorder_blocks): Likewise.
18808 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
18809 NOTE_INSN_BLOCK_{BEG,END}.
18810 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
18811 the list of saved notes if the note isn't a
18812 NOTE_INSN_BLOCK_{BEG,END}.
18813 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
18815 (reemit_notes): Adjust recreation of notes to reflect new saved
18817 * print-rtl.c (print_rtx): Print the address of the BLOCK when
18818 printing a block note.
18819 * stmt.c (block_vector): Remove.
18820 (find_loop_tree_blocks): Simplify.
18821 (unroll_block_trees): Likewise.
18822 * tree.h (reorder_block): Change prototype.
18824 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
18826 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
18827 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
18828 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
18829 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
18830 (atexit, exit): Simplify.
18831 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
18832 * config/lots: Remove defns of HAVE_ATEXIT.
18834 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
18836 * calls.c (precompute_arguments): Fix typo in comment.
18837 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
18840 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
18842 * dsp16xx.c (override_options): Fix typos in GC root registration.
18844 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
18846 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
18847 from config/svr4.h.
18848 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
18849 (FUNCTION_PROFILER): Redefine appropriately for Linux.
18850 (CC1_SPEC): Likewise.
18852 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18854 * genattr.c (main): Add extern prototype. Call return, not exit.
18855 * genattrtab.c (main): Likewise.
18856 * gencheck.c (main): Likewise.
18857 * gencodes.c (main): Likewise.
18858 * genconfig.c (main): Likewise.
18859 * genemit.c (main): Likewise.
18860 * genextract.c (main): Likewise.
18861 * genflags.c (main): Likewise.
18862 * gengenrtl.c (main): Likewise.
18863 * genopinit.c (main): Likewise.
18864 * genoutput.c (main): Likewise.
18865 * genpeep.c (main): Likewise.
18866 * genrecog.c (main): Likewise.
18868 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
18869 * genattrtab.c (get_insn_name): Likewise.
18870 * gencodes.c (get_insn_name): Likewise.
18871 * genconfig.c (get_insn_name): Likewise.
18872 * genemit.c (get_insn_name): Likewise.
18873 * genextract.c (get_insn_name): Likewise.
18874 * genflags.c (get_insn_name): Likewise.
18875 * genopinit.c (get_insn_name): Likewise.
18876 * genpeep.c (get_insn_name): Likewise.
18878 * gencheck.c (usage): Add static prototype.
18879 * genextract.c (print_path): Constify a char*.
18880 * genopinit.c (optabs): Likewise.
18881 * genoutput.c (operand_data, data, output_predicate_decls,
18882 compare_operands): Likewise.
18883 * genrecog.c (write_tree): Add default case in switch.
18885 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18887 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
18889 * print-rtl.c (get_insn_name): Remove prototype.
18891 * toplev.h (progname): Declare const.
18893 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
18894 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
18895 dump_sched_info, dump_local_alloc, regset_release_memory,
18896 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
18897 error_with_file_and_line, error_with_decl, error_for_asm, error,
18898 fatal, warning_with_file_and_line, warning_with_decl, warning,
18899 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
18900 Remove redundant prototypes.
18902 (notice, check_lang_option, report_file_and_line, vnotice,
18903 mark_file_stack): Add static prototype.
18904 (set_fatal_function): Add prototype.
18905 (vnotice, report_file_and_line, set_fatal_function,
18906 check_lang_option): Constify a char*.
18907 (main): Prototype. Call return, not exit.
18909 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18911 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
18913 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
18915 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
18917 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
18919 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18921 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
18922 behave as if it's zero in all cases.
18923 (expand_function_start): Adjust call to assign_parms.
18924 * tree.h (assign_parms): Adjust prototype.
18925 * objc/objc-act.c (hack_method_prototype): Adjust call to
18928 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
18930 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
18931 arg_pointer_rtx fixed if the argument pointer register is
18933 (NONZERO_BASE_PLUS_P): Likewise.
18935 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
18937 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
18938 match_insn2 to match_insn.
18939 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
18941 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
18943 * Makefile.in (USER_H): Remove va-foo.h.
18945 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
18946 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
18947 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
18948 va-spur.h,va-v850.h}: Remove.
18950 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
18952 * sparc/sparc.md (eligible_for_return_delay): New attribute.
18953 (in_return_delay): Use it instead of match_insn.
18955 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18957 * config/alpha/va_list.h (va-alpha.h): Do not include.
18958 (__gnuc_va_list): Typedef as in varargs.h.
18960 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
18962 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
18963 DECL_LIVE_RANGE_RTL.
18965 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
18967 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
18968 not NOTE_BLOCK_NUMBER.
18969 (expand_eh_region_end): Likewise.
18970 (find_exception_handler_labels): Likewise.
18971 (scan_region): Likewise.
18972 (exception_optimize): Likewise.
18973 (update_rethrow_references): Likewise.
18974 (set_insn_eh_region): Likewise.
18975 * final.c (final_scan_insn): Likewise.
18976 * flow.c (make_edges): Likewise.
18977 * integrate.c (expand_inline_function): Likewise.
18978 * print-rtl.c (print_rtx): Likewise.
18980 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
18982 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
18983 terms of builtin functions and types.
18985 * mips.c (mips_build_va_list): New.
18986 (mips_va_start, mips_va_arg): New.
18987 * mips.h (BUILD_VA_LIST_TYPE): New.
18988 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
18990 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
18991 (sh_build_va_list, sh_va_start, sh_va_arg): New.
18992 * sh.h (BUILD_VA_LIST_TYPE): New.
18993 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
18995 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
18997 * recog.h (struct recog_data): Make dup_num, operand_address_p,
18998 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
18999 (struct insn_data): Likewise with n_operands, n_dups,
19000 n_alternatives, output_format.
19001 * regclass.c (scan_one_insn): Cast n_operands to int before
19002 arithmetic inside comparison.
19004 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19006 * toplev.c (compile_function): Unconditionally emit nop.
19008 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19010 * haifa-sched.c (actual_hazard): Move declaration of variable
19011 `this_cost' into the scope where it is used.
19013 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19015 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19016 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19017 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19019 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19021 * jump.c (find_insert_position): Don't declare or define unless
19022 !HAVE_conditional_arithmetic.
19023 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19025 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19027 * recog.c (offsettable_address_p): Prototype function pointer.
19028 (preprocess_constraints): Call memset, not bzero.
19030 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19031 (gcc_obstack_init): Don't declare.
19032 (fix_sizetype): Add static prototype.
19033 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19034 (tree_cons): Call memset, not bzero.
19036 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19037 definition in macro ASM_WEAKEN_LABEL.
19038 (mark_const_hash_entry): Add static prototype.
19040 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19042 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19044 * unroll.c (find_common_reg_term, subtract_reg_term,
19045 loop_find_equiv_value): Add static prototypes.
19046 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19047 (copy_loop_body): Remove unreachable break statement.
19049 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19051 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19053 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19055 Undo some changes from the gcc2 merge:
19056 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19057 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19061 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19062 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19063 initialized float-int union if the value is a NaN.
19065 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19067 * gthr-win32.h: New file.
19069 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19070 shared as a valid attribute.
19071 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19072 * extend.texi: Document `shared' variable attribute.
19074 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19076 * configure.in: Handle --enable-threads on FreeBSD.
19077 * configure: Rebuit.
19079 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19081 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19083 * configure: Rebuilt.
19085 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19086 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19087 Rosimildo DaSilva <rdasilva@connecttel.com>
19089 * configure.in (m68k-*-rtemscoff*): Added.
19090 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19091 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19092 sparc-rtems configuration.
19093 * configure.in (sparc-*-rtemself*): Added.
19094 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19095 * config/i386/rtems.h: Added comment.
19096 * config/sparc/rtemself.h: New file.
19098 * configure.in (m68k-rtemself): Added.
19099 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19100 and DWARF_DEBUGGING_INFO.
19101 * config/m68k/crti.s: New file.
19102 * config/m68k/crtn.s: New file.
19103 * config/m68k/t-crtstuff: New file.
19104 * config/m68k/rtemself.h: New file.
19106 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19107 global ctor/dtor and C++ exception handling.
19108 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19109 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19111 * config/i386/t-rtems-i386: New File.
19113 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19115 * stmt.c (expand_end_case): Return right away if the case stack is
19118 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19120 * Makefile.in (version.c): Remove rule incorrectly brought in from
19123 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19125 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19126 * msdos/top.sed: Take into account a prepended $(SHELL) to
19128 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19130 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19132 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19134 * regmove.c (fixup_match_1): Don't change an unchanging register.
19135 (stable_but_for_p): Renamed to:
19136 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19137 Changed all callers.
19139 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19141 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19142 insn from BL2 is after the insn from BL.
19144 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19146 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19147 (struct insn_data): Merge `template' and `outfun' into `output'.
19148 Add `output_format'.
19149 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19150 (struct data): Remove `outfun'; add `output_format'.
19151 (name_for_index): Remove declaration.
19152 (output_insn_data): Handle output formats.
19153 (process_template): Emit the bare array for @.
19154 (gen_expand, gen_split): Set output_format to NONE.
19155 * output.h (get_insn_template): Declare.
19156 * final.c (get_insn_template): New.
19157 (final_scan_insn): Use it.
19158 * toplev.c (compile_file): Likewise.
19160 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19161 * i860/i860.c (output_delayed_branch): Likewise.
19162 (output_delay_insn): Likewise.
19164 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19166 * rtl.c (obstack_alloc_rtx): Removed.
19168 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19170 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19172 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19174 * i386.c (call_insn_operand): Reject const_int.
19175 (expander_call_insn_operand): Use call_insn_operand.
19177 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19179 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19181 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19183 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19184 Use DImode operation.
19186 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19188 * gcc.c: Include sys/resource.h.
19189 (report_times): New flag.
19190 (execute): If report_times is set, calculate and report the
19191 CPU time consumed by each subprocess.
19193 (rus, prus): New globals.
19194 (option_map): Add --time.
19195 (display_help): Document -time.
19196 (process_command): Set report_times if -time is given.
19197 Turn off -pipe if -time is given.
19199 * invoke.texi: Document new option -time.
19201 * configure.in: Check for getrusage. Check if we have to
19202 prototype getrusage.
19203 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19204 * configure: Regenerate.
19205 * config.in: Regenerate.
19207 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19209 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19212 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19214 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19215 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19216 (nan): Return _thenan_sf or _thenan_df as appropriate.
19217 (L_thenan_sf): Define _thenan_sf.
19218 (L_thenan_df): Define _thenan_df.
19220 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19221 (DPBIT_FUNCS): Add _thenan_df.
19223 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19225 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19228 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19230 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19233 (lang_specific_driver): Don't take a function pointer parameter.
19234 All callers changed.
19236 * gcc.c: Include gcc.h.
19237 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19238 lang_specific_extra_outfiles, fatal): Don't declare.
19239 (multilib_defaults_raw): Constify.
19240 (read_specs): Call memset, rather than bzero.
19241 (main): Call return, not exit.
19242 (lookup_compiler): Call memcpy, not bcopy.
19243 (fatal): Make extern.
19245 * cppspec.c: Include gcc.h.
19246 (lang_specific_driver): Initialize variable `quote'. Constify a
19247 char*. All calls to the function pointer parameter now
19248 explicitly call `fatal'.
19250 * gccspec.c (lang_specific_driver): Include gcc.h.
19252 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19254 * arm.c (note_invalid_constants): Use recog_data.operand_type
19257 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19259 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19262 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19263 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19264 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19265 reload_secondary_in_reload, reload_secondary_out_reload,
19266 reload_secondary_in_icode, reload_secondary_out_icode,
19267 reload_reg_rtx, reload_when_needed): Delete declarations.
19268 (struct reload): New structure.
19269 (rld): Declare new array.
19270 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19271 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19272 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19273 reload_secondary_in_reload, reload_secondary_out_reload,
19274 reload_secondary_in_icode, reload_secondary_out_icode,
19275 reload_reg_rtx, reload_when_needed): Delete definitions.
19277 (whole file): Replace uses of the deleted arrays with uses of rld.
19278 * reload1.c (whole file): Replace uses of the deleted arrays with
19280 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19281 explicit loops, not with bcopy.
19283 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19285 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19286 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19287 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19288 insn_name): Delete and consolidate into new structures.
19289 (insn_operand_predicate_fn): New.
19290 (insn_output_fn): New.
19291 (insn_gen_fn): New.
19292 (struct insn_operand_data): New.
19293 (struct insn_data): New.
19295 (OUT_FCN): Update for insn_data change.
19296 * builtins.c (expand_builtin_strlen): Likewise.
19297 (expand_builtin_memcmp): Likewise.
19298 * combine.c (make_extraction, simplify_comparison): Likewise.
19299 * cse.c (canon_reg, cse_insn): Likewise.
19300 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19301 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19302 (emit_store_flag): Likewise.
19303 * expr.c (convert_move, emit_block_move): Likewise.
19304 (clear_storage, emit_push_insn, expand_increment): Likewise.
19305 (do_store_flag): Likewise.
19306 * expr.h (GEN_FCN): Likewise.
19307 (insn_gen_function): Die.
19308 * final.c (final_scan_insn): Update for insn_data change.
19309 (output_asm_name): Likewise.
19310 * function.c (fixup_var_refs_1): Likewise.
19311 * loop.c (check_dbra_loop): Likewise.
19312 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19313 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19314 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19315 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19316 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19317 * regmove.c (gen_add3_insn): Likewise.
19318 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19319 (find_reloads, find_reloads_address_1): Likewise.
19320 (debug_reload_to_stream): Likewise.
19321 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19322 * stmt.c (expand_end_case): Likewise.
19323 * toplev.c (compile_file): Likewise.
19325 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19326 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19328 * print-rtl.c (insn_name_ptr): Remove declaration.
19329 (get_insn_name): Declare.
19330 (print_rtx): Use it.
19331 * genoutput.c (insn_name_ptr): Remove.
19332 (next_operand_number): New.
19333 (struct operand_data): New.
19334 (null_operand, odata, odata_end): New.
19335 (struct data): Use struct operand_data.
19336 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19337 (get_insn_name): Renamed from name_for_index.
19338 (output_prologue): Define NO_MD_PROTOTYPES.
19339 (output_predicate_decls): Break out from output_epilogue.
19340 Iterate over the operands list.
19341 (output_operand_data): Break out from output_epilogue. Emit
19342 just the operands list.
19343 (output_insn_data): Break out from output_epilogue. Emit just
19345 (output_epilogue): Remove.
19346 (output_get_insn_name): New.
19347 (constraints, op_n_alternatives, predicates, address_p): Die.
19348 (modes, strict_low, seen): Die.
19349 (scan_operands): Take new param `d' instead of writing to
19350 seven global variables.
19351 (compare_operands): New.
19352 (place_operands): New.
19353 (validate_insn_alternatives): Update for struct data change.
19354 (gen_insn): Don't zero or copy 7 global arrays. Update for
19355 scan_operands; call place_operands.
19356 (gen_peephole, gen_expand, gen_split): Likewise.
19357 (main): Update for new output routines.
19359 * genattr.c (insn_name_ptr): Remove.
19360 (get_insn_name): New function.
19361 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19362 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19363 * genrecog.c: Likewise.
19365 * alpha.md (adddi3): Make `pattern' array static.
19367 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19369 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19370 c4x_cpu_version_string): Constify char *.
19371 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19372 c4x_cpu_version_string): Likewise.
19374 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19376 * tree.c (save_tree_status): Revert 10 Sep change.
19377 (restore_tree_status): Likewise. Call obstack_free with NULL
19378 before freeing the obstack proper.
19380 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19382 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19384 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19385 surrounding context.
19387 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19389 * tree.c (type_hash_canon): Put all types in the hash-table, when
19392 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19394 * recog.h (struct recog_data, recog_data): New.
19395 (recog_foo variables): Kill.
19396 * recog.c (recog_operand, recog_operand_loc): Kill.
19397 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19398 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19399 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19400 (recog_data): Define.
19401 (extract_insn): Update all recog_foo references to use recog_data.
19402 (preprocess_constraints, constrain_operands): Likewise.
19403 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19404 * genattrtab.c (main): Likewise.
19405 * genextract.c (main): Likewise.
19406 * genoutput.c: Likewise.
19407 * genrecog.c (write_subroutine, main): Likewise.
19408 * local-alloc.c (block_alloc): Likewise.
19409 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19410 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19411 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19412 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19413 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19414 (reload_cse_simplify_operands): Likewise.
19416 * arc/arc.c (arc_final_prescan_insn): Likewise.
19417 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19418 * h8300/h8300.c (notice_update_cc): Likewise.
19419 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19420 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19421 * mn10200/mn10200.c (notice_update_cc): Likewise.
19422 * mn10300/mn10300.c (notice_update_cc): Likewise.
19423 * romp/romp.c (update_cc): Likewise.
19424 * sparc/sparc.c (check_pic): Likewise.
19425 * v850/v850.c (notice_update_cc): Likewise.
19427 * genemit.c (main): Don't declare recog_operand.
19429 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19431 * ggc.h (rtvec_def): Forward declare.
19432 (tree_node): Likewise.
19433 (ggc_root): Define.
19435 (ggc_set_mark_rtx): Add prototype.
19436 (ggc_set_mark_rtvec): Likewise.
19437 (ggc_set_mark_tree): Likewise.
19438 * ggc-simple.c (ggc_root): Don't define.
19439 (roots): Don't declare.
19440 (ggc_mark_rtx): Remove.
19441 (ggc_mark_rtvec): Likewise.
19442 (ggc_mark_tree): Likewise.
19443 (ggc_mark_varray): Likewise.
19444 (ggc_mark_tree_hash_table_entry): Likewise.
19445 (ggc_mark_tree_hash_table): Likewise.
19446 (ggc_set_mart_rtx): New function.
19447 (ggc_set_mark_rtvec): Likewise.
19448 (ggc_set_mark_tree): Likewise.
19449 (ggc_add_root): Remove.
19450 (ggc_add_rtx_root): Likewise.
19451 (ggc_remove_tree_root): Likewise.
19452 (ggc_add_string_root): Likewise.
19453 (ggc_add_tree_varray_root): Likewise.
19454 (ggc_add_tree_hash_table_root): Likewise.
19455 (ggc_del_root): Likewise.
19456 (ggc_mark_rtx_ptr): Likewise.
19457 (ggc_mark_tree_ptr): Likewise.
19458 (ggc_mark_string_ptr): Likewise.
19459 (ggc_mark_tree_varray_ptr): Likewise.
19460 (ggc_mark_tree_hash_table_ptr): Likewise.
19461 * ggc-common.c: New file.
19462 * Makefile.in (OBJS): Add ggc-common.o.
19463 (ggc-common.o): List dependencies.
19465 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19467 * cppalloc.c (xstrdup): Use memcpy.
19468 * cpperror.c (cpp_print_containing_files): Don't use
19470 * cpplib.c (conditional_skip): Set temp->lineno.
19471 (do_endif): Make error message less obscure.
19472 (if_directive_name): New function.
19473 (cpp_get_token [case EOF]): Unwind the if stack and generate
19474 error messages for each unterminated conditional in this file.
19475 (parse_string): Do not behave differently if -traditional.
19477 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19479 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19480 va_list decomposing to pointer-type.
19481 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19482 (rs6000_va_arg): Likewise.
19484 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19486 * except.c (start_dynamic_handler): Compute size using
19487 STACK_SAVEAREA_MODE.
19489 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19491 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19492 include directory headers. Don't define strrchr. Don't provide
19493 my_* replacement functions. Prefer PTR over `pointer_type'.
19494 Don't prototype system functions. Don't redefine getopt.
19496 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19497 safe_read, safe_write, save_pointers, restore_pointers,
19498 is_id_char, in_system_include_dir, directory_specified_p,
19499 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19500 find_corresponding_lparen, referenced_file_is_newer,
19501 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19502 process_aux_info_file, identify_lineno, check_source,
19503 seek_to_line, forward_to_next_token_char, output_bytes,
19504 output_string, output_up_to, other_variable_style_function,
19505 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19506 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19507 find_static_definition, connect_defs_and_decs, add_local_decl,
19508 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19509 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19510 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19511 scan_for_missed_items, edit_file, string_list_cons): Add static
19513 (standard_exec_prefix, target_machine, target_version,
19514 default_syscalls_dir, string_list, string_list_cons, find_file,
19515 do_cleaning): Constify a char*.
19516 (safe_read, safe_write): Use PTR, not a char*.
19517 (is_id_char): Take an int, not a char.
19518 (main): Add prototype. Call return, not exit.
19520 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
19522 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
19523 when comparing types.
19525 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
19527 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
19528 (strength_reduce): Release the varrays from the no-bivs early exit.
19530 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
19531 the loop over the registers.
19533 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
19535 (restore_tree_status): Check that instead when freeing the obstack.
19537 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
19539 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
19542 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19544 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
19545 operand size modifiers.
19547 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19549 * c-common.c (c_common_nodes_and_builtins): Don't build
19551 * c-common.h (enum c_tree_index and related accesor macros): Remove
19552 everything now declared in tree.h.
19553 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19554 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
19555 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
19556 (error_mark_node, void_type_node, char_type_node, integer_type_node,
19557 unsigned_type_node, ptr_type_node, va_list_type_node,
19558 integer_zero_node, null_pointer_node, integer_one_node): Delete.
19559 (init_decl_processing): Call build_common_tree_nodes and
19560 build_common_tree_nodes_2 instead of building their nodes here.
19561 Don't add roots for these nodes.
19562 * stor-layout.c (size_zero_node, size_one_node): Delete.
19563 (set_sizetype): Make a new node for bitsizetype each time.
19564 * tree.c (global_trees): New variable.
19565 (init_obstacks): Add a gc root for it.
19566 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19567 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
19568 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
19569 (build_common_tree_nodes): New function.
19570 (fix_sizetype): New function.
19571 (build_common_tree_nodes_2): New function.
19572 * tree.h (enum tree_index): New.
19573 (global_trees): Declare.
19574 Add accessor macros for all nodes now moved to global_trees.
19575 Delete their declarations.
19577 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
19579 * c-decl.c (finish_function): When processing a nested function,
19580 push and pop GC context around rest_of_compilation.
19582 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
19584 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
19585 Default ix86_arch to PROCESSOR_I386.
19586 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
19587 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
19588 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
19589 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
19590 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
19591 (EXTRA_SPECS): Remove deleted specs.
19593 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
19595 * function.c (assign_stack_local_1): Allocate from
19596 function->x_frame_offset, not frame_offset.
19598 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
19600 * ggc.h (lang_cleanup_tree): Remove.
19601 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
19602 * ggc-callbacks.c (lang_cleanup_tree): Remove.
19604 * c-decl.c (finish_struct): Use ggc_alloc to allocate
19605 TYPE_LANG_SPECIFIC when garbage collecting.
19606 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
19607 (lang_cleanup_tree): Remove.
19609 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19611 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
19612 * crtstuff.c: Not here.
19613 * dwarf2out.c: Or here.
19614 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
19617 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
19619 * function.h (free_after_compilation): Remove decl parameter.
19620 (free_varasm_status0: Likewise.
19621 (free_emit_status): Likewise.
19622 (free_stmt_status): Likewise.
19623 (free_after_compilation): Likewise.
19624 (init_lang_status): New variable.
19625 (free_lang_status): Likewise.
19626 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
19627 * function.c (init_lang_status): New variable.
19628 (free_lang_status): Likewise.
19629 (push_function_context_to): Don't set function::decl here.
19630 (free_after_copmilation): Make decl parameter implicit. Call
19631 free_lang_status if defined.
19632 (prepare_function_start): Call init_lang_status if defined.
19633 (init_function_start): Set function::decl here.
19634 * profile.c (output_func_start_profiler): Don't call pushdecl
19635 until we've actually started the function.
19636 * stmt.c (free_stmt_status): Make decl parameter implicit.
19637 * toplev.c (rest_of_compilation): Don't pass decl to
19638 free_after_compilation.
19639 * varasm.c (free_varasm_status): Likewise.
19641 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19643 * except.c (call_get_eh_context): Add root when allocating static
19646 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
19648 * arm.c: Include "ggc.h".
19649 (arm_add_gc_roots): New function.
19650 (arm_override_options): Call it.
19651 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
19653 * arm.md (define_asm_attributes): Add a pool_range attribute.
19655 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
19657 * extend.texi (Volatiles): New node.
19659 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
19661 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
19662 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
19663 (struct ggc_any): Replace `mark' with `magic_mark'.
19664 (ggc_alloc_string): Use memcpy, not bcopy.
19665 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
19666 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
19667 (ggc_free_any): New.
19668 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
19669 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
19670 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
19671 Use IS_MARKED. Use ggc_free_any.
19673 1999-09-09 Scott Bambrough <scottb@netwinder.org>
19675 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
19677 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
19679 * toplev.c (main): Always init_ggc.
19681 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
19683 * except.c (find_all_handler_type_matches): Free the list if
19684 we found no matches.
19686 * combine.c (SUBST): Break out to a real function do_SUBST.
19687 (SUBST_INT): Likewise.
19688 * gcse.c (free_pre_mem): Free `temp_bitmap'.
19689 (pre_insert): Free `inserted'.
19690 * loop.c (basic_induction_var): Always set `location'.
19692 * function.c (expand_function_end): Add initial_trampoline as a root.
19693 * rtl.h (init_varasm_once): Declare.
19694 * toplev.c (compile_file): Call it.
19695 * ggc-simple.c (ggc_mark_string_ptr): New.
19696 (ggc_add_string_root): New.
19697 (ggc_collect): Disable collection avoidance temporarily.
19698 * ggc.h (ggc_add_string_root): Declare.
19699 * except.c (create_rethrow_ref): Use ggc_alloc_string.
19700 * optabs.c (init_libfuncs): Likewise.
19701 * varasm.c (named_section): Use ggc_alloc_string.
19702 (make_function_rtl): Likewise.
19703 (make_decl_rtl): Likewise.
19704 (assemble_static_space): Likewise.
19705 (assemble_trampoline_template): Likewise.
19706 (output_constant_def): Likewise.
19707 (force_const_mem): Likewise.
19708 (mark_const_hash_entry): New.
19709 (mark_pool_sym_hash_table): New.
19710 (mark_varasm_state): Use it.
19711 (init_varasm_once): New.
19713 * expr.h (init_one_libfunc): Declare.
19714 * optabs.c (init_one_libfunc): New.
19715 (init_optabs): Use it.
19716 * config/gofast.h: Likewise.
19717 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
19718 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
19720 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19722 * Makefile.in (cppexp.o): Depend on cpphash.h.
19723 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
19725 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
19726 * cpplib.c (do_define): Generalise to handle poisoned definitions,
19727 redefining poisoned identifiers, etc.
19728 (do_undef): Don't allow poisoned identifiers to be undefined.
19729 (do_pragma): Add #pragma poison.
19730 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19732 * cccp.c: Add T_POISON node type.
19733 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
19735 (do_define): Generalise to handle poisoned definitions,
19736 redefining poisoned identifiers, etc.
19737 (do_undef): Don't allow poisoned identifiers to be undefined.
19738 (do_pragma): Add #pragma poison.
19739 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19741 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
19742 * c-pragma.h: Add ps_poison state. We now always have generic
19745 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
19747 * ggc.h (ggc_alloc): New function.
19748 (ggc_mark): Likewise.
19749 * ggc-simple.c (ggc_any): New structure.
19750 (ggc_status): Add anys.
19751 (n_anys_collected): New variable.
19752 (ggc_alloc): Define.
19753 (ggc_mark): Likewise.
19754 (ggc_collect): Collect the anys.
19756 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19758 * c-decl.c (mark_binding_level): Make static to match prototype.
19760 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
19762 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
19764 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
19766 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
19767 will use into account. Expand the max width to 5.
19770 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
19772 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
19773 for the rtx length.
19775 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
19777 * alpha.md (call value patterns): Remove the result predicates.
19779 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
19781 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
19784 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19786 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
19787 changed from extern char *, to extern PTR. Also fix typo in
19788 NEED_DECLARATION_REALLOC test.
19790 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
19792 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19794 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
19795 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
19796 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
19797 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
19799 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
19801 * cccp.c (pcfinclude): Likewise.
19803 * global.c (allocno_compare): Likewise.
19805 * haifa-sched.c (rank_for_schedule): Likewise.
19807 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
19809 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
19811 * stupid.c (stupid_reg_compare): Likewise.
19813 * tree.c (_obstack_allocated_p): Likewise.
19815 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
19817 1999-09-08 Bruce Korb autogen@linuxbox.com
19819 * Makefile.in: Give the hapless gperf user a hint about
19820 why "gperf -F" fails.
19822 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
19824 * lists.c: Include ggc.h.
19826 (init_EXPR_INSN_LIST_cache): Install it.
19828 * ggc-simple.c (init_ggc): Absorb the old init.
19829 (ggc_push_context): Use xcalloc.
19830 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
19831 (ggc_collect): Add [rvts] tags to the collection stats.
19833 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
19835 * cccp.c (main): Fix handling of -include and -imacros options.
19837 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
19839 * cpplib.c (cpp_push_buffer): Fix order of arguments.
19841 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19843 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
19846 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19848 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
19849 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
19850 and SET_DEST. Update comment.
19852 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19854 * config/c4x/c4x.c: Include ggc.h.
19855 (c4x_add_gc_roots): New function.
19856 (c4x_override_options): Call c4x_add_gc_roots.
19858 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
19860 * defaults.h (TARGET_ESC): Move ...
19861 * system.h: ... here, where Linas had it in the first place. Silly me.
19863 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
19865 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
19866 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
19867 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
19868 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
19869 * defaults.h (TARGET_ESC): Add default.
19871 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
19873 * configure.in: add i370-*-openedition, i370-*-mvs and
19874 i370-*-linux targets
19876 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
19878 * dsp16xxx.c: Include ggc.h
19879 (override_options): Mark GC roots.
19880 * mn10200.c: Include ggc.h.
19881 (asm_file_start): Mark GC roots.
19882 * tahoe.c: Include ggc.h.
19883 (extensible_operand): Mark GC roots.
19885 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
19887 * README: Add section discussing status of ELF ABI.
19888 * i370.c: Fix misc spelling mistakes.
19889 (i370_label_scan): Updated notes, exception handling.
19890 (i370_function_prolog): Simplify ELF stack handling.
19891 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
19892 (STACK_GROWS_DOWNWARD): ELF stack grows down.
19893 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
19894 * i370.md: (movdi): Add notes.
19895 (floatsidf2): Use stack not rtca for scratch float area.
19896 (iorsi3): Correct operand constraints.
19897 * x-oe: Restore TAROUTOPTS which are used by pax.
19899 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
19901 * rs6000.c: Include ggc.h.
19902 (rs6000_add_gc_roots): New function.
19903 (override_options): Call it.
19905 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
19907 * alpha.h (alpha_compare): New.
19908 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
19909 * alpha.c: Likewise for the definitions.
19910 (alpha_emit_conditional_branch): Update for alpha_compare.
19911 (alpha_emit_conditional_move): Likewise.
19912 * alpha.md (cmpdf, cmpdi): Likewise.
19913 (setcc patterns): Likewise. Zero alpha_compare after use.
19914 (sne): Optimize (x != 0) into (0U < x).
19916 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
19918 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
19919 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
19920 (INIT_EXPANDERS): Remove.
19921 * alpha.c: Include ggc.h.
19922 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
19923 (alpha_init_machine_status, alpha_mark_machine_status): New.
19924 (override_options): Install them.
19925 (struct machine_function): Moved to alpha.h.
19926 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
19927 (alpha_init_expanders): Remove.
19928 (alpha_return_addr): Adjust to use current_function->machine.
19929 (alpha_ra_ever_killed): Likewise.
19930 (alpha_expand_epilogue): Likewise.
19931 * alpha.md (eh_epilogue): Likewise.
19933 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
19934 Melissa O'Neill <oneill@cs.sfu.ca>
19935 Geoffrey Keating <geoffk@cygnus.com>
19937 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
19938 call-used registers (call-saved registers must still be contiguous
19939 and end with r31, of course).
19941 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
19943 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
19944 (self_promoting_type_p): Delete.
19945 (self_promoting_args_p): Move ...
19946 * c-common.c: ... here.
19947 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
19948 (simple_type_promotes_to): New.
19949 * builtins.c (lang_type_promotes_to): New.
19950 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
19951 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
19952 * c-common.h: ... here.
19953 (self_promoting_args_p, simple_type_promotes_to): Declare.
19954 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
19955 (grokdeclarator): Likewise.
19956 * tree.h (lang_type_promotes_to): Declare.
19958 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
19960 Add some machine-dependent GC roots.
19961 * sparc.c: Include ggc.h.
19962 (sparc_add_gc_roots): New function.
19963 (mark_ultrasparc_pipeline_state): Likewise.
19964 (override_options): Call sparc_add_gc_roots.
19965 * pa.c: Include ggc.h.
19966 (pa_add_gc_roots): New function.
19967 (mark_deferred_plabels): Likewise.
19968 (override_options): Call pa_add_gc_roots.
19969 * mips.c: Include ggc.h.
19970 (mips_add_gc_roots): New function.
19971 (override_options): Use it.
19973 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19975 * cpperror.c (cpp_file_line_for_message): Constify a char*.
19977 * cppexp.c (parse_number, parse_charconst, cpp_lex,
19978 cpp_parse_expr): Add static prototypes.
19979 (parse_charconst): Don't cast away const-ness.
19980 (token): Constify a char*.
19982 * cppfiles.c (file_name_list, include_hash, find_include_file,
19983 finclude, initialize_input_buffer): Constify a char*.
19984 (file_cleanup, find_position): Add static prototypes.
19986 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
19987 collect_expansion): Add static prototypes.
19988 (cpp_install, create_definition, monthnames): Constify a char*.
19990 * cpphash.h (cpp_install): Likewise.
19992 * cppinit.c (known_suffixes, default_include,
19993 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
19994 (base_name, dump_special_to_buffer, initialize_dependency_output):
19995 Add static prototypes.
19997 * cpplib.c (my_strerror): Constify a char*.
19998 (null_underflow, null_cleanup, skip_comment, copy_comment,
19999 copy_rest_of_line, handle_directive, pass_thru_directive,
20000 get_directive_token, read_line_number, cpp_print_file_and_line,
20001 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20002 v_cpp_warning_with_line, detect_if_not_defined,
20003 consider_directive_while_skipping): Add static prototypes.
20004 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20005 cpp_pedwarn_with_file_and_line): Constify a char*.
20007 * cpplib.h (cpp_options, include_hash, progname, definition,
20008 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20009 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20010 find_include_file, deps_output, include_hash): Constify a char*.
20012 * cppmain.c (progname): Constify.
20013 (main): Add prototype. Use return, not exit.
20015 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20016 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20017 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20018 check_protection): Add static prototype.
20020 (progname, recognized_macrom, recognized_extern): Constify a char*.
20021 (main): Add prototype.
20023 * gen-protos.c (progname): Constify a char*.
20025 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20027 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20028 (init_emit_once): Add more GC roots.
20029 * except.c (mark_func_eh_entry): New function.
20030 (mark_eh_node): Mark false_label and rethrow_label.
20031 (init_eh): Add more GC roots.
20032 * function.c (free_after_compilation): Take decl as a paramter.
20033 Call free_stmt_status.
20034 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20036 * function.h (free_after_compilation): Change prototype.
20037 (free_varasm_status): Likewise.
20038 (free_emit_status): Likewise.
20039 (free_stmt_status): New function.
20040 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20041 Remove, replacing with ...
20042 (ggc_status): New structure.
20043 (ggc_chain): New variable.
20044 (init_gcc): Define.
20045 (ggc_push_context): New function.
20046 (ggc_pop_context): Likewise.
20047 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20048 (ggc_alloc_rtvec): Likewise.
20049 (ggc_alloc_tree): Likewise.
20050 (ggc_alloc_string): Likewise.
20051 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20052 (ggc_mark_tree): Give language-dependent code a chance to mark
20054 (ggc_mark_tree_varray): Handle empty arrays.
20055 (ggc_collect): Adjust for use of ggc_chain. Clear
20056 bytes_alloced_since_last_gc.
20057 * ggc.h (ggc_pop_context): New function.
20058 (ggc_push_context): Likewise.
20059 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20060 * stmt.c (free_stmt_status): New function.
20061 (init_stmt_for_function): Clear last_expr_value.
20062 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20063 Conditionalize call to ggc_collect.
20064 (main): Call init_ggc.
20065 * tree.c (push_obstacks): Do the push, even when GC'ing.
20066 (push_obstacks_nochange): Likewise.
20067 (pop_obstacks): Liekwise.
20068 * varasm.c (free_varasm_status): Take decl as a parameter.
20070 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20072 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20073 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20074 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20075 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20077 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20079 * pa/x-pa-mpeix: New file for the MPE port.
20081 * pa/quadlib.asm: New file for long double support.
20083 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20084 * configure: Rebuilt.
20086 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20088 * final.c (shorten_branches): Fix last change.
20090 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20092 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20094 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20096 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20099 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20101 * c-aux-info.c (concat): Don't define.
20103 * cccp.c (my_strerror): Likewise. All callers changed to use
20105 (do_include): Call xstrdup, not xmalloc/strcpy.
20106 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20107 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20109 * collect2.c (my_strsignal): Likewise. All callers changed to use
20111 (locatelib): Call xstrdup, not xmalloc/strcpy.
20113 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20115 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20117 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20119 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20121 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20123 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20125 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20127 (find_all_handler_type_matches): Likewise. Don't check return
20129 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20130 xmalloc, not malloc.
20131 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20133 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20134 (init_spec): Call xcalloc, not xmalloc/bzero.
20135 (set_spec): Call xstrdup, not save_string.
20136 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20137 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20138 (process_command): Call xstrdup, not save_string.
20139 (main): Call xcalloc, not xmalloc/bzero.
20141 * gcov.c (xmalloc): Don't define.
20142 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20143 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20144 (output_data): Call xcalloc, not xmalloc/bzero.
20146 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20148 * mips-tdump.c (xmalloc): Don't define.
20149 (print_symbol): Call xmalloc, not malloc.
20150 (read_tfile): Call xcalloc, not calloc.
20152 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20153 Don't define. All callers of xfree/my_strsignal changed to use
20154 free/strsignal instead.
20155 (allocate_cluster): Call xcalloc, not calloc.
20157 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20158 Fix memory leak, free allocated memory.
20160 * prefix.c (translate_name): Call xstrdup, not save_string.
20161 (update_path): Likewise.
20163 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20165 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20166 Don't define. Callers of xfree/savestring2 changed to use
20167 free/concat instead.
20169 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20170 (init_elim_table): Likewise.
20172 * resource.c (init_resource_info): Likewise.
20174 * stupid.c (stupid_life_analysis): Likewise.
20176 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20177 (open_dump_file): Call concat, not xmalloc/strcpy/...
20178 (clean_dump_file): Likewise.
20179 (compile_file): Call xstrdup, not xmalloc/strcpy.
20181 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20183 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20184 * v850.c (v850_va_arg): New.
20186 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20188 * haifa-sched.c: Tidy comments.
20190 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20192 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20193 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20194 $(out_object_file)): Depend on ggc.h.
20195 * c-common.c: Include "ggc.h".
20196 (combine_strings): If doing GC, use ggc_alloc_string.
20197 * c-decl.c: Include "ggc.h".
20198 (ggc_p): Define with value 0.
20199 (mark_binding_level): New function.
20200 (init_decl_processing): Add GC roots.
20201 (mark_c_function_context): New function.
20202 (lang_mark_false_label_stack): New function.
20203 (lang_mark_tree): New function.
20204 (lang_cleanup_tree): New function.
20205 * c-lang.c: Include "ggc.h".
20206 (lang_init): Call c_parse_init.
20207 * c-lex.c: Include "ggc.h".
20208 (check_linenum): If doing GC, don't copy filenames to permanent
20210 * c-parse.in: Include "ggc.h".
20211 (c_parse_init): New function.
20212 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20213 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20215 * except.c (mark_eh_state): Mark more state.
20216 * function.c (mark_function_state): Likewise.
20217 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20218 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20219 * toplev.c (mark_file_stack): New function.
20220 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20221 (main): Add root for input_file_stack.
20223 * i386.c: Include "ggc.h".
20224 (ix86_mark_machine_status): New function.
20225 (override_options): Set mark_machine_status.
20227 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20229 * tree.c (copy_node): Copy node contents also if doing GC.
20231 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20233 * collect2.c (scan_libraries): Fix double-thinko :-).
20235 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20237 * collect2.c (scan_libraries): Fix thinko.
20239 * cse.c (delete_trivially_dead_insns): Do not skip the last
20240 insn if it is a real insn.
20242 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20244 * Makefile.in (ggc-simple.o): Depend on hash.h.
20245 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20246 (ggc_mark_tree_varray): Likewise.
20247 (ggc_mark_tree_hash_table): Likewise.
20248 * ggc-simple.c: Include hash.h.
20249 (ggc_mark_tree_hash_table_ptr): New function.
20250 (ggc_mark_tree_hash_table_entry): Likewise.
20251 (ggc_mark_tree_hash_table): Likewise.
20252 (ggc_add_tree_hash_table_root): Likewise.
20253 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20254 rtx, when defining fields.
20256 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20258 * profile.c (output_func_start_profiler): Remove apparently
20259 nonsensical call to start_sequence.
20261 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20263 * clipper/clipper.c (clipper_va_start): Fix typos.
20265 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20266 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20267 (spur_va_arg): New stub.
20269 * configure.in: Comment out pyramid.
20271 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20273 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20274 don't conflict with the bits that win32, cygwin, and dgux
20277 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20278 Bernd Schmidt <bernds@cygnus.co.uk>
20280 * integrate.c (function_cannot_inline_p): Do not inline
20281 functions with forced labels.
20283 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20284 Bernd Schmidt <bernds@cygnus.co.uk>
20285 Mark Mitchell <mark@codesourcery.com>
20287 * Makefile.in (ggc-simple.o): Depend on varray.h.
20288 (rtl.o): Depend on ggc.h.
20289 (genattrtab.o): Depend on ggc.h.
20290 (print-tree.o): Likewise.
20291 (fold-const.o): Likewise.
20292 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20293 (make_insn_raw): Don't cache insns when GC'ing.
20294 (emit_insn_before): Likewise.
20295 (emit_insn_after): Likewise.
20296 (emit_insn): Likewise.
20297 (start_sequence): Use xmalloc to allocate the sequence_stack.
20298 (end_sequence): Add free to free it.
20299 (gen_sequence): Don't cache insns when GC'ing.
20300 (clear_emit_caches): Don't use sequence_element_free_list.
20301 (init_emit): Use xcalloc, not xmalloc+bzero.
20302 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20303 * function.c (pop_function_context_from): Use free to free the
20304 fixup_var_refs_queue.
20305 (put_reg_into_stack): Allocate it with xmalloc.
20306 * genattrtab.c: Include ggc.h.
20307 (operate_exp): Don't use obstack_free when GC'ing.
20308 (simplify_cond): Likewise.
20309 (simplify_text_exp): Likewise.
20310 (optimize_attrs): Likewise.
20311 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20313 (gencode): Generate a #include for ggc.h.
20314 * ggc-callbacks.c (ggc_p): Define it to zero.
20315 * ggc-none.c (ggc_p): Likewise.
20316 * ggc-simple.c: Include varray.h.
20317 (ggc_mark_tree_varray): New function.
20318 (ggc_add_tree_varray_root): Likewise.
20319 (ggc_mark_tree_varray_ptr): Likewise.
20320 * ggc.h (ggc_p): Declare.
20321 (varray_head_tag): Likewise.
20322 (ggc_add_tree_varray_root): Declare.
20323 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20324 inconsistencies when GC'ing.
20325 * rtl.c: Include ggc.h.
20326 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20327 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20328 (rtx_free): Don't call obstack_free when GC'ing.
20329 * toplev.c (rest_of_compilation): Call ggc_collect after every
20331 * tree.c (push_obstacks): Do nothing, if GC'ing.
20332 (pop_obstacks_nochange): Likewise.
20333 (pop_obstacks): Likewise.
20334 (make_node): Use ggc_alloc_tree when GC'ing.
20335 (copy_node): Likewise.
20336 (get_identifier): Use ggc_alloc_string when GC'ing.
20337 (build_string): Likewise.
20338 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20339 (tree_cons): Likewise.
20340 (build1): Likewise.
20341 (type_hash_canon): Don't call obstack_free when GC'ing.
20343 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20345 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20346 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20348 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20349 Bernd Schmidt <bernds@cygnus.co.uk>
20350 Mark Mitchell <mark@codesourcery.com>
20352 * Makefile.in (stor-layout.o): Depend on ggc.h.
20353 (expr.o): Depend on ggc.h.
20354 (profile.o): Depend on ggc.h.
20355 (stor-layout.o): Depend on ggc.h.
20356 * emit-rtl.c (init_emit_once): Add gc roots.
20357 * expr.c: Include ggc.h.
20358 (emit_block_move): Add gc roots.
20359 (clear_storage): Likewise.
20360 * expr.h (init_stor_layout_once): New function.
20361 * profile.c: Include ggc.h.
20362 (init_arc_profiler): profiler_label is a root.
20363 * scan.c (make_sstring_space): Trust xrealloc to function
20364 correctly with first parameter NULL.
20365 * stor-layout.c: Include ggc.h.
20366 (set_sizetype): Add gc root.
20367 (init_stor_layout_once): New function.
20368 * toplev.c (compile_file): Call it.
20370 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20371 Bernd Schmidt <bernds@cygnus.co.uk>
20372 Mark Mitchell <mark@codesourcery.com>
20374 * Makefile.in (tree.o): Depend on ggc.h.
20375 (varasm.o): Likewise.
20376 (function.o): Likewise.
20377 (stmt.o): Likewise.
20378 (except.o): Likewise.
20379 (optabs.o): Likewise.
20380 (emit-rtl.o): Likewise.
20381 * emit-rtl.c: Include ggc.h.
20382 (sequence_element_free_list): Remove, and all references.
20383 (mark_sequence): New functions.
20384 (mark_emit_state): New function.
20385 * except.c: Include ggc.h.
20386 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20387 (mark_tree_label_node): New functions.
20388 (mark_eh_state): New function.
20389 * function.c: Include ggc.h.
20390 (mark_temp_slot, mark_function_chain): New functions.
20391 (mark_function_state): New function.
20392 (init_function_once): New function.
20393 * function.h (init_function_once): New function.
20394 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20395 * ggc.h (label_node): Declare.
20396 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20397 (lang_mark_false_label_stack): New function.
20398 (mark_temp_slot): Remove declaration.
20399 (mark_function_chain): Likewise.
20400 (mark_eh_state): Adjust prototype.
20401 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20403 * optabs.c: Include ggc.h.
20404 (mark_optab): New function.
20405 (init_optabs): Add gc roots.
20406 * stmt.c: Include ggc.h.
20407 (mark_cond_nesting, mark_loop_nesting): New functions.
20408 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20409 (mark_stmt_state): New function.
20410 * toplev.c (compile_file): Call init_function_once.
20411 * tree.c: Include ggc.h.
20412 (type_hash): Move declaration earlier in file.
20413 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20414 (init_obstacks): Add gc roots.
20415 (mark_type_hash): New function.
20416 * varasm.c: Include ggc.h.
20417 (mark_pool_constant): New function.
20418 (mark_varasm_state): New function.
20420 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20422 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20424 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20426 * c-decl.c (struct language_function): Renamed from struct c_function.
20428 (c_function_chain): Delete.
20429 (push_c_function_context): New arg F. Don't warn about nested
20430 functions here. Fill LANGUAGE elt of F. Delete code to update
20431 c_function_chain. Don't call push_function_context.
20432 (pop_c_function_context): New arg F. Restore from there instead of
20433 from c_function_chain. Don't call pop_function_context. Clear out
20434 LANGUAGE field of F when done.
20435 * c-lang.c: Include "function.h"
20436 (lang_init): Initialize save_lang_status and restore_lang_status.
20437 * c-parse.in (nested_function, nested_function_notype): Warn about
20438 nested functions. Call push_function_context/pop_function_context
20439 instead of the _c_ variants.
20440 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20442 * Makefile.in (c-lang.o): Update dependencies.
20444 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20445 regno_pointer_flag, regno_pointer_align.
20446 (gen_reg_rtx): Use xrealloc to enlarge them.
20447 (free_emit_status): New function.
20448 * function.c (mark_machine_status, mark_lang_status): New variables.
20449 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20450 in some bits from assign_stack_local. All callers changed to use new
20452 (assign_stack_local): Just call assign_stack_local_1.
20453 (free_after_compilation): New function.
20454 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20455 (trampoline_address): Likewise.
20456 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20457 (prepare_function_start): Explicitly clear some more variables.
20458 * function.h (struct function): New elt can_garbage_collect.
20459 (mark_machine_status, mark_lang_status): Declare variables.
20460 (free_after_compilation, free_emit_status, free_varasm_status,
20461 init_varasm_status): Declare functions.
20462 * toplev.c (rest_of_compilation): Call free_after_compilation when
20463 done with the current function.
20464 * varasm.c (free_varasm_status): New function.
20466 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20468 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20469 (EXPAND_BUILTIN_VA_ARG): Define.
20470 * sparc.c (sparc_va_start): New.
20471 (sparc_va_arg): New.
20473 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20475 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20477 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20479 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20481 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20483 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20484 (OBJS): Add $(GGC).
20485 (ggc-callbacks.o): New target.
20486 * ggc-callbacks.c: New file.
20488 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20490 * expr.h: Collapse individual optab and libfunc vars to arrays.
20491 (optab_index, libfunc_index): New enumerations.
20492 (optab_table, libfunc_table): New arrays.
20493 Add accessor macros for both.
20495 * optabs.c (optab_table, libfunc_table): New.
20496 Delete declarations for individual optab and libfunc vars.
20498 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20500 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20502 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20504 * Makefile.in (GGC, GGC_LIB): New.
20505 (HOST_RTL): Include ggc-none.o.
20506 (ggc-simple.o): New target.
20507 (ggc-none.o): Likewise.
20508 * tree.h (tree_common): Add gc_mark.
20509 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20510 (struct rtvec_def): Add gc_mark.
20511 * emit-rtl.c (global_rtl): Update static initializers to contain
20512 enough initializers.
20513 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20514 * toplev.c (gc_time): New variable.
20515 (all_time): New variable.
20516 (compile_file): Print gc time.
20517 (print_time): Calculate percentage of the whole.
20519 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20521 Change obstack memory management and varasm constant pool handling so
20522 that nested functions are treated like any other functions.
20523 * function.c (init_machine_status): New variable.
20524 (push_function_context_to): Set contains_functions for the outer
20525 function. Don't call save_varasm_status.
20526 (pop_function_context_from): Don't call restore_varasm_status. Don't
20527 set current_function_contains_functions.
20528 (prepare_function_start): Call init_varasm_status rather than
20529 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
20531 * function.h (struct function) Add field varasm. Delete fields
20532 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
20533 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
20534 (init_machine_status): Declare.
20535 (save_varasm_status, restore_varasm_status): Delete declarations.
20536 (save_tree_status, restore_tree_status): Delete last argument.
20537 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
20538 code. All callers changed.
20539 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
20540 save_constants_in_decl_trees, restore_constants, save_constants,
20541 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
20543 (inlining): New variable.
20544 (reg_map, label_map, insn_map, orig_asm_operands_vector,
20545 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
20547 (save_for_inline_nocopy): Don't save constants.
20548 Don't set inl_emit field in current_function.
20549 (expand_inline_function): Use emit field, not inl_emit, of the inlined
20550 function. Set new variable inlining before
20551 calling copy_rtx_and_substitute.
20552 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
20553 constant pool references if inlining is nonzero.
20554 Delete ADDRESS and (most of the) CONST cases.
20555 (output_inline_function): Save and restore current_function/
20556 current_function_decl. Delete restore_constants code. Don't call
20557 init_const_rtx_hash_table.
20558 * output.h (init_const_rtx_hash_table): Don't declare.
20559 * rtl.h (struct function): Declare.
20560 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
20561 * toplev.c (rest_of_compilation): Don't treat nested functions or
20562 functions containing them specially. Delete all code to deal with
20563 save_for_inline_copying.
20564 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
20565 inline_obstacks): Delete variables.
20566 (save_tree_status): Lose arg CONTEXT. All callers changed.
20567 Simply allocate a new function_maybepermanent_obstack for the new
20568 function, delete all the special cases.
20569 Don't save inline_obstacks.
20570 (restore_tree_status): Lose arg CONTEXT. All callers changed.
20571 Delete special handling for function_maybepermanent_obstack; simply
20573 Don't restore inline_obstacks.
20574 (permanent_allocation): Delete code that frees inline_obstacks.
20575 (print_inline_obstack_statistics): Delete function.
20576 (dump_tree_statistics): Don't call it.
20577 * varasm.c (struct varasm_status): New.
20578 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
20579 last_pool, pool_offset, const_double_chain): Delete global
20580 variables, replace with accessor macros.
20581 (immed_double_const): Don't walk const_double_chain outside a
20582 function, but don't treat nested functions specially anymore.
20583 (immed_real_const_1): Likewise.
20584 (clear_const_double_mem): Don't treat nested functions specially.
20585 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
20586 (save_varasm_status, restore_varasm_status): Delete functions.
20587 (init_varasm_status): New function.
20588 (force_const_mem): Don't treat nested functions specially.
20589 (find_pool_constant): Accept new arg F, search for constants in
20590 that function's pool rather than the current one. All callers
20592 (get_pool_constant_for_function, get_pool_mode_for_function): New
20595 * i386.c (init_386_machine_status): New function, mostly from
20596 clear_386_stack_locals.
20597 (struct machine_functions): Rename element names to avoid name
20599 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
20600 macros, replacing global variables.
20601 (clear_386_stack_locals, save_386_machine_status,
20602 restore_386_machine_status): Delete functions.
20603 (override_options): Initialize init_machine_status.
20604 * i386.h (INIT_EXPANDERS): Delete macro.
20605 (save_386_machine_status, restore_386_machine_status,
20606 clear_386_stack_locals): Delete declarations.
20608 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20610 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
20611 (doloop_begin): Simplify pattern and use emit_jump_insn.
20612 (doloop_end): Simplify pattern, switch operand order,
20613 and use emit_jump_insn.
20615 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20617 * function.h (struct function): Add new element LANGUAGE.
20618 (save_lang_status): Declare new variable.
20619 (restore_lang_status): Likewise.
20620 * function.c (save_lang_status): Define.
20621 (restore_lang_status): Likewise.
20622 (push_function_context_to): Call language-specific save function.
20623 (pop_function_context_from): Call language-specific restore function.
20625 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20627 * i386.md (movsf_1): Check REG_P before use of REGNO.
20628 (movdf_1): Likewise.
20629 (movxf_1): Likewise.
20630 (extendsfdf2): Likewise.
20631 (extendsfxf2): Likewise.
20632 (extenddfxf2): Likewise.
20634 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20636 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
20637 constants into memory.
20638 (c4x_shiftable_constant): New function.
20639 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
20640 (c4x_shiftable_constant): Declare.
20641 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
20642 ashlqi3_noclobber): Add new patterns and associated splitters.
20644 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
20646 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
20647 * dwarf2out.c (dwarf2out_frame_init): Likewise.
20648 * final.c (shorten_branches): Likewise.
20649 * global.c (global_alloc): Likewise.
20650 * haifa-sched.c (build_control_flow): Likewise.
20651 * stmt.c (check_for_full_enumeration_handling): Likewise.
20652 (estimate_case_costs): Likewise.
20654 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
20656 * rtl.h (RTL_CHECKC2): Fix typo in last change.
20658 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
20660 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
20661 (recompute_reg_usage): Likewise.
20662 * rtlanal.c (find_regno_fusage): Likewise.
20664 * rtl.c (rtl_check_failed_code1): New function.
20665 (rtl_check_failed_code2): New.
20666 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
20667 (RTL_CHECKC1, RTL_CHECKC2): New.
20668 (XC*): New accessor macros.
20669 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
20670 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
20671 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
20672 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
20673 (TRAP_*, RANGE_INFO_*): Likewise.
20675 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20677 * Makefile.in (tlink.o): Don't depend on toplev.h.
20679 * collect2.c (c_file, o_file, export_file, import_file, ldout,
20680 output_file, nm_file_name, ldd_file_name, strip_file_name,
20681 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
20682 add_prefix, prefix_from_env, prefix_from_string, do_wait,
20683 fork_execute, maybe_unlink, add_to_list,
20684 extract_init_priority, write_list, dump_list,
20685 dump_prefix_list, write_list_with_asm, write_c_file,
20686 write_c_file_stat, write_c_file_glob, scan_prog_file,
20687 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
20688 ignore_library, extract_string, notice, dump_file, target_machine,
20689 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
20690 read_file, print_load_command): Constify a char*.
20691 (fdopen, error, fatal, fatal_perror): Don't prototype.
20692 (my_strerror): Remove. All callers use xstrerror instead.
20693 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
20694 (main): Add prototype. Constify lots of char* ptrs. Change calls
20695 to xcalloc/strcpy/strcat/... to one call to concat.
20696 (main, scan_prog_file, scan_libraries): Use an intermediate
20697 `const char **' to build an argv array.
20698 (mapfile, libselect, libcompare, locatelib): Add prototypes.
20700 * collect2.h (collect_execute, collect_wait, dump_file,
20701 file_exists): Constify a char*.
20702 (ldout, c_file_name, temporary_obstack, permanent_obstack,
20703 temporary_firstobj, vflag, debug): Add extern declarations.
20704 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
20706 * tlink.c: Don't include toplev.h.
20707 (vflag, debug, ldout, c_file_name, temporary_obstack,
20708 permanent_obstack, temporary_firstobj): Don't declare.
20709 (tlink_execute, frob_extension, symbol_hash_lookup,
20710 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
20711 recompile_files, read_repo_files, demangle_new_symbols,
20712 scan_linker_output): Constify a char*.
20713 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
20714 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
20716 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
20718 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
20719 (relative) rather than jsr (absolute) subroutine call insns.
20720 * config/m68k/m68k-coff.h: Ditto.
20722 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
20724 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
20725 now rework these too.
20726 (arm_reorg): If an insn can't reach the end of the current pool,
20727 ensure that we emit that pool before the insn.
20729 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
20731 * tlink.c (scan_linker_output): Skip the initial underscore in
20732 a mangled name if appropriate.
20734 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20736 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
20737 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
20738 error_with_ivar, gen_declarator, create_builtin_decl,
20739 my_build_string, generate_descriptor_table, generate_ivars_list,
20740 generate_dispatch_table, check_protocols, TAG_GETCLASS,
20741 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
20742 dump_base_name, lang_decode_option, build_encode_expr,
20743 start_class, finish_class, encode_pointer, really_start_method,
20744 gen_declaration, dump_interface, handle_class_ref, handle_impent):
20746 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
20747 Add static prototypes.
20748 (build_objc_string_decl, build_selector_reference_decl,
20749 encode_bitfield, build_class_reference_decl): Remove unused
20750 parameter, all callers changed.
20751 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
20752 (objc_printable_name): Likewise. Change second parameter to type int.
20753 (init_objc): Use memcpy, not bcopy, to avoid casts.
20755 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
20757 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
20758 reg notes on a deleted insn.
20759 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
20761 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
20763 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
20765 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20767 * stmt.c (expand_asm_operands): Fix index into inout_mode when
20770 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
20772 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
20773 * tm.texi (MD_ASM_CLOBBERS): Document it.
20775 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
20777 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
20778 * except.c (expand_rethrow): Remove unused variable.
20779 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
20780 * flow.c (replace_insns): Likewise.
20781 (create_edge_list, verify_edge_list): Likewise.
20782 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
20784 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
20785 is special code to run.
20786 (main): Don't define operands to emit_operand.
20787 * genrecog.c (main): Don't emit an empty peephole2_insn function.
20789 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
20791 * alpha/alpha.h (normal_memory_operand): Declare.
20792 (reg_no_subreg_operand): Declare.
20793 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
20795 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
20797 * c-parse.in (compstmt_primary_start): New, broken out of first
20798 part of compstmt handling in primary.
20799 (primary): Use it. Add an error clause.
20800 (compstmt_nostart): Renamed from compstmt; remove all
20801 initial invocations of compstmt_start.
20804 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
20806 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
20809 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
20811 * combine.c (simplify_shift_const): Remove extra semicolon.
20812 * dwarf2out.c (remove_AT): Likewise.
20813 * expmed.c (expand_mult): Likewise.
20814 * gcov.c (create_program_flow_graph): Likewise.
20815 * reorg.c (mostly_true_jump): Likewise.
20817 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
20819 * fold-const.c (fold_range_test): Do not try to fold the range
20820 test if the rhs or lhs has side effects.
20822 * combine.c (simplify_rtx): Recognize another case of a synthesized
20825 * varasm.c (mark_constant_pool): When marking indirect references,
20826 only look at SYMBOL_REFs.
20828 * except.c (expand_fixup_region_end): Do not peek at
20829 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
20831 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
20833 * flags.h: New variables align_loops, align_loops_log,
20834 align_jumps, align_jumps_log, align_labels, align_labels_log,
20835 align_functions, align_functions_log.
20836 * toplev.c: Define them.
20837 (f_options): Handle -falign-* when they have no argument.
20838 (main): Add logic to set variables for -falign-functions,
20839 -falign-jumps, -falign-labels, -falign-loops.
20840 Make it -fsched-verbose=<n> and -finline-limit=<n>.
20841 (display_help): Change help to match options.
20842 * final.c (LABEL_ALIGN): Default to align_labels_log.
20843 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
20844 (LOOP_ALIGN): Default to align_loops_log.
20845 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
20846 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
20847 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
20848 * varasm.c (assemble_start_function): Handle align_functions.
20850 * config/sparc/sparc.h: Don't declare sparc_align_*.
20851 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
20852 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
20854 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
20856 * config/sparc/sparc.c: Delete sparc_align_loops,
20857 sparc_align_jumps, sparc_align_funcs and the corresponding string
20859 (sparc_override_options): Default align_functions on ultrasparc.
20860 Delete -malign-* handling.
20862 * config/mips/mips.c (override_options): On 64-bit targets,
20863 try to align code to 64-bit boundaries.
20864 (print_operand): New substitution, %~,
20865 which aligns labels to align_labels_log.
20866 * config/mips/mips.md (div_trap_normal): Use %~.
20867 (div_trap_mips16): Likewise.
20869 (absdi2): Likewise.
20870 (ffssi2): Likewise.
20871 (ffsdi2): Likewise.
20872 (ashldi3_internal): Likewise.
20873 (ashrdi3_internal): Likewise.
20874 (lshrdi3_internal): Likewise.
20875 (casesi_internal): Likewise.
20877 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
20879 Merge new ia32 backend from the branch!
20881 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
20882 See ChangeLog.P2 on new_ia32_branch for details.
20884 * rtl.h (stack_regs_mentioned_p): Delete prototype.
20885 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
20886 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
20887 * i386/gas.h (ASM_FILE_START): Define.
20888 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
20889 for name change of ix86_valid_decl_attribute_p.
20890 (i386_pe_valid_type_attribute_p): Similarly.
20892 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
20894 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
20895 to step through CC modes.
20897 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20899 * regmove.c (fixup_match_1): Don't move INSN in front of P if
20900 it would end up in the shadow of a live flags regsiter.
20902 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20904 * reload1.c: Fix many indentation problems.
20905 * reload.c: Likewise.
20907 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
20909 * alias.c (non_local_reference_p): Constify fmt.
20911 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
20913 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
20915 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
20917 * cse.c (delete_trivially_dead_insns): Do not delete stores to
20918 the internal_arg_pointer.
20920 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
20922 Merge peephole2 from new_ia32_branch:
20923 * Makefile.in (STAGESTUFF): Add *.peephole2.
20924 (mostlyclean): Likewise.
20925 (recog.o): Depend on resource.h.
20927 * final.c (peephole): Conditionalize decl on HAVE_peephole.
20928 (final_scan_insn): Likewise for the invocation of peephole.
20929 * genconfig.c (main): Look for peephole and peephole2 patterns.
20930 Emit HAVE_peephole* accordingly.
20931 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
20932 * flags.h (flag_peephole2): Declare.
20933 * toplev.c: New pass peephole2. New flag -fpeephole2.
20935 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
20936 * gencodes.c (main): Likewise.
20937 * genextract.c (main): Likewise.
20938 * genoutput.c (main): Likewise.
20939 * genemit.c (max_operand_1): Look for the max scratch operand.
20940 (gen_rtx_scratch): New.
20941 (gen_exp): Use it, and pass on new arg subroutine_type.
20942 (gen_expand): Take max scratch into account.
20943 (gen_split): Emit peephole2 functions.
20944 (output_peephole2_scratch): New.
20945 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
20946 * genrecog.c (routine_type): Add PEEPHOLE2.
20948 (make_insn_sequence): Match outer parallel for peep2. Discard
20949 top level scratches and dups.
20950 (add_to_sequence): New args insn_type and top. Update all callers.
20951 Handle toplevel peep2 matching insns.
20952 (write_subroutine): Handle peep2.
20953 (write_tree_1): Likewise.
20954 (write_tree): Likewise.
20956 (change_state): New arg afterward. Update all callers.
20957 Handle matching separate insns.
20958 * recog.c (recog_next_insn): New.
20959 (peephole2_optimize): New.
20960 * rtl.def (DEFINE_PEEPHOLE2): New.
20961 * resource.c (find_free_register): New argument last_insn. Use it
20962 to find a register available through the entire span.
20963 * resource.h (find_free_register): Update prototype.
20965 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
20967 * i386.c (output_strlen_unroll): Don't write xops[7]
20968 label if it wasn't set.
20970 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
20972 * cpplib.c (struct directive): Const-ify name pointer and
20973 function pointer prototype.
20974 (validate_else, do_define, do_line, do_include, do_undef,
20975 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
20976 do_elif, do_endif, do_sccs, do_assert, do_unassert,
20977 do_warning): Const-ify second arg.
20978 (directive_table): Mark const. Reorder entries by frequency
20979 of usage, record statistics.
20981 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
20983 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
20984 bounds- check RTL accesses if --enable-checking.
20985 (RTVEC_ELT): Bounds check if --enable-checking.
20986 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
20987 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
20988 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
20990 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
20991 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
20993 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
20994 (NOTE_SOURCE_FILE): Use X0STR.
20995 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
20996 MEM_ALIAS_SET): Use X0INT.
20997 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
20998 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21000 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21001 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21002 (rtl_check_failed_bounds, rtl_check_failed_type1,
21003 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21005 (fancy_abort): Fix comment.
21007 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21008 (cse_insn): Decrement LABEL_NUSES for jump target before
21009 deleting jump insn.
21010 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21011 * final.c (alter_subreg): Compute regno before changing x to
21012 REG; set REGNO(x) after changing it.
21013 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21014 notes containing CONST_INTs.
21015 (delete_eh_regions): Use NOTE_EH_HANDLER.
21016 * function.c (put_reg_into_stack): Make reg a MEM before
21018 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21020 (gen_mem_addressof): Make reg a MEM before initializing it.
21021 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21023 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21024 deleting an insn, not after.
21025 (block_alloc): Only look at PATTERN(insn) if we have to, and
21026 only if it's format class 'i'.
21027 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21028 CONST_INT before using its INTVAL.
21029 * print-rtl.c (print_rtx): Use X0STR.
21030 * regmove.c (fixup_match_1): Don't look at PATTERN of
21031 non-class-'i' insn chain elements.
21032 * reload.c (loc_mentioned_in_p): Take address of
21033 in->fld[1].rtx directly.
21034 * reload1.c (reload): Change reg to a MEM before initializing
21036 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21038 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21040 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21042 * config/mips/mips.c (machine_dependent_reorg): Force a
21043 barrier to output the local constant pool if a barrier hasn't
21044 been found at a natural point in the instruction stream.
21046 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21048 * c-parse.in (language_string): Constify.
21050 * dwarf2out.c (language_string): Remove declaration.
21052 * dwarfout.c (language_string): Likewise.
21054 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21056 * tree.h (language_string, init_parse, finish_parse): Declare.
21058 * i386/sun386.h (language_string): Remove declaration.
21060 * mips.h (language_string): Likewise.
21062 * nextstep.h (language_string): Likewise.
21064 * nextstep21.h (language_string): Likewise.
21066 * rs6000.c (language_string): Likewise.
21068 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21070 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21071 (getpwd.o): Remove target.
21073 * getpwd.c: Delete file. Its in libiberty now.
21075 * dbxout.c (getpwd): Don't prototype.
21076 * dwarf2out.c (getpwd): Likewise
21077 * dwarfout.c (getpwd): Likewise
21078 * final.c (getpwd): Likewise.
21079 * protoize.c (getpwd): Likewise.
21081 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21083 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21085 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21087 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21088 mark_set_resources.
21090 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21092 * fixinc/Makefile.in (subdir): New.
21093 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21096 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21098 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21099 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21102 * invoke.texi: Fix typo.
21104 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21105 changed. Handle autoincrement addressing modes.
21107 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21108 just like we would the virtual incoming args register when
21111 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21113 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21114 path, in .file directive.
21116 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21118 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21121 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21123 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21126 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21128 * tree.c (tree_code_name): Constify a char*.
21130 * tree.h (tree_code_name, decl_printable_name): Likewise.
21132 * function.h (struct function): Likewise.
21134 * toplev.c (decl_name, decl_printable_name): Likewise.
21136 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21138 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21139 (init_objc): Remove function pointer cast.
21141 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21143 * pa.md (interspace_jump): New pattern.
21144 (builtin_longjmp): New expander.
21146 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21148 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21149 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21150 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21152 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21154 * jump.c (delete_prior_computation): Also check calls
21155 to constant functions. Don't bother checking for a
21156 REG_UNUSED note before adding it.
21157 (delete_computation): Handle multi-word hard registers
21158 when synthesizing missing REG_DEAD notes for a register
21159 which is both set and used by an insn.
21161 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21163 * loop.c (this_loop_info): New variable.
21164 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21165 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21167 (prescan_loop, strength_reduce): New argument loop_info. All callers
21169 (scan_loop): New variable loop_info, initialise to address of
21171 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21172 Delete variable loop_has_multiple_exit targets and replace with
21173 field in this_loop_info.
21174 (find_and_verify_loops): Rename this_loop to this_loop_num.
21175 (strength_reduce): Delete loop_iteration_info. Replace variable
21176 loop_info with function argument of same name.
21177 (insert_bct): Rework test for loop being completely unrolled.
21179 * loop.h (struct loop_info): New fields num, loops_enclosed,
21180 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21181 has_indirect_jump, and cont. Redefine use of unroll_number.
21182 (loop_unroll_number): Delete.
21184 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21185 field of loop_info.
21186 (loop_iterations): Delete variable vtop and instead use
21187 loop_info->vtop computed in prescan_loop.
21189 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21191 * fix-header.c (main): Do not pass a null pointer to strcmp.
21193 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21195 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21197 * configure: Rebuilt.
21199 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21201 * jump.c (jump_optimize_1): Do not delete assignments to
21202 internal_arg_pointer.
21203 * cse.c (delete_trivially_dead_insns): Always consider a set of
21204 the internal_arg_pointer live.
21206 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21208 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21209 (update_life_info) [REG_WAS_0]: Search the original insns rather
21210 than the new insns for the note. Fix typos finding note_dest.
21211 If no dest found, discard the note rather than abort.
21212 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21213 (replace_insns): Remove the old insn list after update_life_info
21216 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21218 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21219 sched_analyze_insn.
21220 (sched_analyze_1): Let add_dependence care for not adding dups.
21221 (sched_analyze_2): Likewise.
21222 (add_branch_dependences): Likewise.
21224 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21226 * i386/winnt.c (export_list): New type.
21227 (exports_head): Rename to
21228 (export_head): this.
21229 (i386_pe_record_exported_symbol): Add is_data flag.
21230 (i386_pe_asm_file_end): Emit directive for exported variables.
21231 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21233 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21234 (ASM_DECLARE_OBJECT_NAME): Likewise.
21235 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21236 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21238 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21240 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21242 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21245 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21247 * config/openbsd.h: Define SET_ASM_OP.
21248 * tm.texi: cross-reference SET_ASM_OP in the index.
21250 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21252 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21253 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21254 and class_narrowest_mode at compile time. Kill init_rtl.
21255 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21256 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21257 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21259 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21261 * rtl.h: Declare rtx_length and rtx_format as const.
21262 * machmode.def: Define CC(). Use CC() to define CCmode. If
21263 EXTRA_CC_MODES is defined, expand it here.
21264 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21265 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21266 const. Kill all references to EXTRA_CC_MODES.
21268 * toplev.c: Don't prototype or call init_rtl.
21269 * optabs.c: Don't call init_mov_optab.
21270 * genemit.c: Don't generate init_mov_optab. Don't call
21272 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21274 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21275 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21276 genrecog.c: Don't call init_rtl.
21278 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21279 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21280 definition of EXTRA_CC_MODES.
21282 * md.texi: Kill ref to EXTRA_CC_NAMES.
21283 * tm.texi: Document new way to define EXTRA_CC_MODES.
21285 * genrecog.c: Do not look up the name of a define_split.
21286 (Unrelated bugfix.)
21288 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21290 * config/v850/v850.md: Fix typo introduced by previous delta.
21292 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21294 * gcc.c (fatal): Make definition static to match prototype.
21296 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21298 * combine.c (get_last_value): Don't look for earlier sets if the last
21299 known set is somewhere in between the insns being combined.
21301 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21303 * configure.in: Don't use shell ! to negate exit codes
21304 * configure: Regenerate
21306 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21308 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21309 the fact that ALIGN is measured in bits, not bytes.
21311 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21313 * errors.c: New file; defines functions error, warning, and
21314 fatal, variables have_error and progname.
21315 * errors.h: New file; prototypes and decls for stuff in errors.c.
21317 * Makefile: Add rules to build errors.o and
21318 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21319 genopinit, genrecog, genextract, genpeep, genattr, and
21320 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21321 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21322 genpeep.o, genattr.o, and genoutput.o.
21324 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21325 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21326 define or prototype fatal. Set progname at beginning of main.
21327 * genoutput.c: Likewise, and don't define or prototype error
21330 * c-typeck.c (c_expand_start_case): Return immediately if exp
21332 * fold-const.c (operand_equal_p): Return immediately if arg1
21333 or arg0 are ERROR_MARKs.
21334 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21335 fields of type ERROR_MARK when calculating if the record can
21338 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21339 with much help from Jeffrey A Law and Richard Henderson
21341 * i386.md: In the 6 insns which call output_fix_trunc,
21342 earlyclobber operands[0].
21344 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21346 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21347 creating new registers.
21349 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21351 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21352 i386_reg_alloc_order, i386_regparm_string,
21353 i386_align_loops_string, i386_align_jumps_string,
21354 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21355 and i386_branch_cost_string as type "const char *".
21356 * i386.c: Define all above strings as type "const char *".
21358 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21360 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21361 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21363 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21365 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21366 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21368 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21370 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21371 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21372 (dwarf2out_line, dwarf2out_finish): Likewise.
21373 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21375 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21377 * tree.c (lang_unsave_expr_now) : Correct return type.
21378 * tree.h (lang_unsave_expr_now) : Same.
21380 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21382 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21383 instead of duplicating code.
21385 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21387 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21389 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21391 * tree.h: fancy_abort always takes three args.
21392 * resource.c: Move include of system.h before toplev.h.
21394 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21396 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21399 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21401 * system.h: Don't redefine abort or trim_filename.
21402 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21403 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21404 whether or not __FUNCTION__ is available.
21405 * tree.h: Duplicate rtl.h's definition of abort, for files
21406 that don't include rtl.h. Delete all code to perform type
21407 checking with a compiler other than GCC.
21408 * varray.h: Delete all code to perform type checking with a
21409 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21410 its arguments exactly once, using a statement expression.
21411 Adjust the VARRAY_<type> accessor macros to match.
21412 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21413 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21414 caller's location. Define fatal_insn and fatal_insn_not_found
21415 as macros that use _fatal_insn and _fatal_insn_not_found.
21416 (fancy_abort, trim_filename): Kill prototypes.
21418 * rtl.c (trim_filename): Move here from toplev.c.
21419 (fancy_abort): New function.
21420 (DIR_SEPARATOR): Provide default definition.
21421 * tree.c (tree_check_failed, tree_class_check_failed): Go
21422 through fancy_abort.
21423 (tree_check, tree_class_check, cst_or_constructor_check,
21424 expr_check): Delete.
21425 * varray.c (varray_check_failed): New function.
21426 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21427 _fatal_insn and _fatal_insn_not_found. Go through
21429 (trim_filename, fancy_abort): Delete.
21431 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21432 * except.c (start_catch_handler): Report ICE with error/abort
21434 * final.c (output_operand_lossage): Likewise.
21435 * flow.c (verify_flow_info): Likewise.
21437 * gcc.c: Prototype fatal.
21438 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21439 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21440 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21441 Don't define fancy_abort.
21443 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21445 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21448 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21450 * m88k.h (VERSION_INFO2): Kill.
21451 (VERSION_STRING): Kill.
21453 (VERSION_INFO1): Tidy.
21454 (TARGET_VERSION): Update.
21455 * m88k/dgux.h (VERSION_INFO2): Kill.
21456 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21457 * m88k/luna.h (VERSION_INFO1): Tidy.
21458 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21459 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21460 (output_file_start): Adjust for death of VERSION_STRING.
21462 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21464 * cpplib.c (detect_if_not_defined): New function.
21465 (do_if): Use it to detect potential once-only headers.
21467 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21469 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21471 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21473 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21474 anywere in the function only if they are pseudos and set before
21475 being used (not live at the start of the function).
21476 (num_sign_bit_copies) : Same.
21477 (get_last_value_validate) : Same.
21478 (get_last_value) : Same.
21480 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21482 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21483 where N and M are constant and N is an integer multiple of M.
21485 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21487 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21488 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21489 sbitmap_union_of_preds): Add prototypes.
21490 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21491 the intersection of successors with the new flow graph structures.
21492 (sbitmap_intersection_of_preds): New function to compute the
21493 intersection of predecessors with the new flow graph structures.
21494 (sbitmap_union_of_succs): New function to compute the union of
21495 successors with the new flow graph structures.
21496 (sbitmap_union_of_preds): New function to compute the union of
21497 predecessors with the new flow graph structures.
21498 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21499 (expr_reaches_here_p): Use edge and basic_block structures instead
21500 of s_preds and s_succs.
21501 (compute_cprop_avinout): Use new sbitmap routines.
21502 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21503 of s_preds and s_succs.
21504 * flow.c (compute_flow_dominators): Compute dominators using
21505 edges and basic blocks instead of s_preds and s_succs.
21507 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21509 * lists.c (unused_insn_list, unused_expr_list): New file for
21510 maintaining various types of lists. New statics for maintaining a
21511 cache of available INSN_LIST and EXPR_LIST nodes.
21512 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21513 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21514 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21515 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21516 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
21517 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
21518 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
21519 (free_INSN_LIST_node): Free an individual INSN_LIST node.
21520 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
21521 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
21522 (remove_dependence, free_pending_lists): Use new global routines.
21523 (flush_pending_lists, sched_analyze_insn): Use new global routines.
21524 (sched_analyze, compute_block_backward_dependences): Use new routines.
21525 (sched_analyze_1, sched_analyze_2): Use new routines.
21526 (schedule_insns): Use new global routines.
21527 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
21529 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
21530 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
21532 * toplev.c (rest_of_compilation): Initialize node cache.
21533 * Makefile.in (OBJS): Add lists.o to list of object files.
21534 (lists.o): Add dependancies.
21536 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
21538 * config/v850/v850.md: Fix compile time warning messages.
21539 * config/v850/v850.c: Fix compile time warning messages.
21540 * config/v850/v850.h: Fix compile time warning messages.
21542 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21544 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
21545 Remove unused prototype for `init_lengths'.
21547 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21549 * calls.c (emit_call_1): Mark parameter `stack_size' with
21551 (expand_call): Initialize variable `insn'.
21552 (emit_library_call): Likewise for variable `high_to_save'.
21553 (emit_library_call_value): Likewise.
21554 (store_one_arg): Likewise for variables `lower_bound' and
21557 * combine.c (try_combine): Likewise for variables `i2_code_number'
21558 and `other_code_number'.
21559 (find_split_point): Likewise for variables `pos', `unsignedp' and
21561 (simplify_if_then_else): Likewise for variables `op' and `c1'.
21562 (simplify_and_const_int): Remove unused variable `width'.
21563 (merge_outer_ops): Likewise.
21565 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
21566 HOST_WIDE_INT' when comparing against one.
21567 (simplify_relational_operation): Likewise.
21568 (cse_insn): Initialize variables `src_eqv_volatile',
21569 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
21571 * final.c (init_final): Constify parameter `filename'.
21572 (final_start_function): Mark parameter `optimize' with
21574 (profile_function): Likewise for parameters `first' and `optimize'.
21575 (output_source_line): Likewise for parameter `file'.
21577 * integrate.c (subst_constants): Cast a value to `size_t' when
21578 comparing against one.
21579 (mark_stores): Initialize variable `mode'. Cast a value to
21580 `size_t' when comparing against one.
21582 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
21584 * loop.c (move_movables): Initialize variable `first'.
21585 (strength_reduce): Likewise for variable `increment'.
21586 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
21587 value to `size_t' when comparing against one.
21588 (load_mems): Initialize variable `end_label'.
21590 * output.h (init_final): Constify parameter.
21592 * reload.c (decompose): Initialize variable `base'.
21594 * reload1.c (reload): Likewise for variable `is_scalar'.
21595 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
21596 (choose_reload_regs): Initialize variable `mode'.
21597 (emit_reload_insns): Likewise for variable `store_insn'.
21598 (reload_cse_noop_set_p): Mark parameter `insn' with
21600 (reload_combine): Initialize variable `set'.
21602 * unroll.c (unroll_loop): Likewise for variable `local_label'.
21603 (copy_loop_body): Cast a value to `size_t' when comparing against
21606 * varasm.c (assemble_variable): Initialize variable `size_tree'.
21607 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
21608 (remove_from_pending_weak_list): Mark parameter `name' with
21611 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21613 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
21616 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
21618 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
21619 (ASM_DECLARE_FUNCTION_NAME): Define.
21620 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
21621 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
21622 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
21623 not already defined.
21625 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21627 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
21628 of n_popped when call/call_value are not defined.
21630 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
21632 * tm.texi: GNU CC -> GCC conversion.
21633 (CC1_SPEC): Indicate it is used for all language front ends.
21635 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
21637 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
21638 NOTE_INSN_EH_REGION_END correctly.
21640 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21641 Jeff Law <law@cygnus.com>
21643 * loop.c (strength_reduce): Automatically unroll loops if the
21644 unrolled loop size is smaller than the rolled loop size.
21646 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
21647 and delete comment that code should be rewritten.
21649 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
21651 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
21654 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
21656 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
21658 * fixinc/mkfixinc.sh: Don't fix uwin headers.
21659 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
21660 (LINK_SPEC): Add -u _main when building executables.
21661 (ASM_DECLARE_FUNCTION): Update from Cygwin.
21662 (ASM_FILE_END): Use the default for ix86-pe.
21663 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
21665 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
21667 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
21668 and ASM_CLOSE_PAREN are empty strings.
21670 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
21671 Geoffrey Keating <geoffk@cygnus.com>
21673 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
21674 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
21675 (unprotoize.o): Ditto.
21676 (test-protoize-simple): Don't define STD_PROTO_DIR.
21677 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
21678 changes to make 'test-protoize-simple' pass.
21679 (STD_PROTO_DIR): Remove define.
21680 (STANDARD_EXEC_PREFIX): Supply default define.
21681 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
21682 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
21683 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
21684 (GET_ENV_PATH_LIST): New macro.
21685 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
21686 (do_processing): Initialize default_syscalls_dir using new
21687 macros. Use it to initialize syscalls_absolute_filename.
21689 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
21691 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
21692 B into a register before emit_conditional_move.
21694 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
21696 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
21697 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
21698 multiplicand out of (+ (* a b) (* c d)).
21700 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
21701 Richard Henderson <rth@cygnus.com>
21703 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
21704 (new_insn_dead_notes): Likewise.
21705 (update_n_sets): Likewise.
21706 (update_flow_info): Move to flow.c, renamed to update_life_info;
21707 extend to handle multiple source insns.
21708 * flow.c: Include resource.h
21709 (unlink_insn_chain): New.
21710 (split_hard_reg_notes): New.
21711 (maybe_add_dead_note): New.
21712 (maybe_add_dead_note_use): New.
21713 (find_insn_with_note): New.
21714 (new_insn_dead_notes): New.
21715 (update_n_sets): New.
21716 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
21717 (maybe_remove_dead_notes): New.
21718 (update_life_info): New.
21719 (prepend_reg_notes): New.
21720 (replace_insns): New.
21721 * output.h (update_life_info): Declare.
21722 * recog.c (split_block_insns): Use update_life_info.
21723 * resource.c (find_free_register): Use reg_alloc_order, don't use
21724 fixed regs, make sure the mode is supported, don't use new regs.
21726 * rtl.h (replace_insns): Declare.
21728 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
21730 * expr.c (expand_expr): Cope with COND_EXPRs with one
21731 non-returning branch.
21733 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
21735 * expr.c (store_expr): Always pass down the target, even when not
21738 1999-08-24 Nick Clifton <nickc@cygnus.com>
21740 * configure.in: Define target_cpu_default for v850 targets.
21741 * configure: Regenerate
21743 * config/v850/v850.h (TARGET_CPU_generic): Define.
21744 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
21745 addresses are 4 byte aligned.
21747 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
21750 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21752 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
21753 (main): Add prototypes.
21755 * genattrtab.c (substitute_address, write_const_num_delay_slots,
21756 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
21757 (write_attr_get): Emit prototypes along with function definition.
21758 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
21759 (write_complex_function): Emit static prototype along with
21760 function definition.
21762 * genemit.c (gen_split): Emit prototypes along with function
21765 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
21766 Likewise for predicates and `insn_operand_predicate'.
21767 (process_template): Emit static prototype along with function
21770 * genrecog.c (make_insn_sequence): Constify a char*. Add
21771 prototypes for get_split_*().
21772 (write_subroutine): Emit prototypes along with function
21775 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21777 * gcse.c (find_avail_set): Follow chains of register-register copies.
21778 Use oprs_not_set_p to guarantee that the returned value can be
21780 (cprop_insn): Don't verify the return value of find_avail_set with
21783 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
21784 (cprop_cc0_jump): New function.
21785 (cprop_insn): Break out new function cprop_jump and use it.
21786 Also use cprop_cc0_jump for machines with CC0.
21787 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
21789 * tree.h (current_function_calls_setjmp,
21790 current_function_calls_longjmp): Delete declarations.
21791 * dsp16xx.c: Include "function.h".
21792 * elxsi.c: Likewise.
21793 * gmicro.c: Likewise.
21794 * h8300.c: Likewise.
21795 * i370.c: Likewise.
21796 * m32r.c: Likewise.
21797 * mn10200.c: Likewise.
21798 * mn10300.c: Likewise.
21799 * ns32k.c: Likewise.
21800 * spur.c: Likewise.
21801 * v850.c: Likewise.
21803 * rtl.h (rtx_equal_function_value_matters): Declare.
21804 * toplev.c (rtx_equal_function_value_matters): Don't declare.
21806 * function.c: Likewise.
21807 * emit-rtl.c: Likewise.
21809 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
21811 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
21814 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21816 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
21819 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
21821 * cpp.texi: Add a node documenting macro varargs (copied
21824 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
21826 * cppspec.c: Put a null pointer at the end of the new argv.
21828 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
21830 * configure.in: Remove code to select/de-select the haifa
21831 scheduler. Every scheduled port gets haifa now.
21832 * configure: Rebuilt.
21833 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
21835 * Makefile.in: Corresponding changes.
21837 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21839 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
21840 All callers changed.
21841 (prepare_float_lib_cmp): Likewise.
21842 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
21843 * expr.h (emit_float_lib_cmp): Delete declaration.
21844 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
21845 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
21846 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
21848 (cmptf): Now conditional on TARGET_HARD_QUAD.
21850 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
21852 * resource.c (mark_target_live_regs): Use
21853 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
21855 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21857 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
21859 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
21861 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
21863 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21865 * rtl.h (rtx_format): Constify a char*.
21867 * rtl.c (rtx_format): Likewise.
21868 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
21869 (init_rtl): Use accessor macro, not `rtx_format'.
21871 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
21874 * caller-save.c (mark_referenced_regs): Likewise.
21876 * combine.c (subst, make_compound_operation, known_cond,
21877 gen_rtx_combine, update_table_tick, get_last_value_validate,
21878 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
21880 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
21881 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
21882 count_reg_usage): Likewise.
21884 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
21887 * final.c (leaf_renumber_regs_insn): Likewise.
21889 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
21890 dump_edge_info, count_reg_references): Likewise.
21892 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
21893 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
21896 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
21897 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
21898 add_label_notes): Likewise.
21900 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
21901 clear_struct_flag, count_sub_rtxs, count_alternatives,
21902 compares_alternatives_p, contained_in_p, walk_attr_value,
21903 write_expr_attr_cache): Likewise.
21905 * genconfig.c (walk_insn_part): Likewise.
21907 * genemit.c (max_operand_1, gen_exp): Likewise.
21909 * genextract.c (walk_rtx): Likewise.
21911 * genflags.c (num_operands): Likewise.
21913 * genoutput.c (scan_operands): Likewise.
21915 * genpeep.c (match_rtx): Likewise.
21917 * genrecog.c (add_to_sequence): Likewise.
21919 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
21922 * integrate.c (save_constants, copy_for_inline,
21923 copy_rtx_and_substitute, subst_constants, restore_constants):
21926 * jump.c (mark_jump_label, invert_exp, redirect_exp,
21927 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
21929 * local-alloc.c (contains_replace_regs, memref_referenced_p):
21932 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
21933 add_label_notes, replace_call_address, count_nonfixed_reads,
21934 invariant_p, find_single_use_in_loop, find_mem_givs,
21935 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
21938 * print-rtl.c (reg_names, print_rtx): Likewise.
21940 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
21942 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
21943 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
21944 print_blocks): Likewise.
21946 * regclass.c (fix_register, record_address_regs,
21947 reg_scan_mark_refs): Likewise.
21949 * regmove.c (stable_but_for_p): Likewise.
21951 * reload.c (loc_mentioned_in_p, operands_match_p,
21952 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
21953 copy_replacements, refers_to_regno_for_reload_p,
21954 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
21955 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
21958 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
21959 delete_address_reloads_1, count_occurrences,
21960 reload_cse_mem_conflict_p, reload_combine_note_use,
21961 add_auto_inc_notes): Likewise.
21963 * resource.c (mark_referenced_resources, mark_set_resources):
21966 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
21967 reg_mentioned_p, regs_set_between_p, modified_between_p,
21968 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
21969 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
21970 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
21971 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
21973 * sched.c (sched_analyze_2, attach_deaths): Likewise.
21975 * stupid.c (stupid_mark_refs): Likewise.
21977 * unroll.c (remap_split_bivs): Likewise.
21979 * varasm.c (mark_constants): Likewise.
21981 * a29k/a29k.c (uses_local_reg_p): Likewise.
21983 * alpha/alpha.c (summarize_insn): Likewise.
21985 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
21986 eliminate_lr2ip): Likewise.
21988 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
21990 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
21991 reg_mentioned_in_mem): Likewise.
21993 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
21994 symbolic_reference_mentioned_p): Likewise.
21996 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
21998 * sh/sh.c (regs_used, mark_use): Likewise.
22000 * vax/vax.c (vax_rtx_cost): Likewise.
22002 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22004 * machmode.h (mode_name): Constify a char*.
22006 * rtl.c (mode_name): Likewise.
22008 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22010 * optabs.c (init_libfuncs): Constify a char*.
22012 * print-tree.c (mode_name): Remove redundant declaration.
22013 (print_node): Use accessor macro, not `mode_name'.
22015 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22017 (new_spill_reg): Constify a char*.
22019 * tree.c (mode_name): Remove redundant declaration.
22021 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22023 * rtl.c (rtx_name): Constify a char*.
22025 * rtl.h (rtx_name, fix_sched_param): Likewise.
22027 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22028 (mypr): Use accessor macro, not `rtx_name'.
22030 * genemit.c (print_code): Constify a char*.
22032 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22034 * genpeep.c (print_code): Constify a char*.
22036 * genrecog.c (print_code): Likewise.
22038 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22039 end_bb): Add static prototype.
22040 (draw_edge): Constify a char*.
22041 (end_bb): Remove unused parameter.
22043 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22044 print_block_visualization): Constify a char*.
22046 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22048 * c-common.c (c_get_alias_set): Update comment.
22050 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22052 * linux.h (LIB_SPEC): Added.
22054 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22056 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22058 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22060 * tree.c (expr_check): Fix typo in last change.
22062 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22064 * rtl.def (NOTE): Change format to "iuu0n".
22065 (ADDR_DIFF_VEC): Change format to "eEee0".
22066 (ADDRESSOF): Change format to "eit".
22068 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22069 (RTVEC_ELT): Change to match.
22070 (XVECEXP): Use XVEC and RTVEC_ELT.
22071 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22072 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22073 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22074 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22075 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22076 (INTVAL): Use XWINT.
22077 (ADDRESSOF_DECL): Use XTREE.
22078 (SET_ADDRESSOF_DECL): Delete.
22079 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22080 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22081 ifdefed out since 2.6 at least.
22082 (gen_rtvec_vv): Delete prototype.
22084 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22086 (copy_most_rtx): Handle 't' format letter.
22087 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22088 (gen_rtvec_vv): Delete function. All callers changed to use
22089 gen_rtvec_v instead.
22090 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22091 the '0' format letter.
22093 * function.c (gen_mem_addressof): Don't use
22094 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22096 * integrate.c (copy_rtx_and_substitute): Likewise.
22097 Copy 't' slots with XTREE.
22098 (subst_constants): Treat 't' slots like '[swi]' slots.
22099 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22100 * jump.c (rtx_equal_for_thread_p): Likewise.
22101 * rtlanal.c (rtx_equal_p): Likewise.
22102 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22103 only four arguments.
22104 * gengenrtl.c (type_from_format): Provide correct types for
22108 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22109 If a recent gcc is in use (always in stage2 and beyond), use
22110 statement expressions, so we don't make a function call unless
22111 the check fails. Evaluate arguments exactly once.
22112 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22113 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22115 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22116 they evaluate their arguments exactly once, irrespective of
22117 the compiler in use.
22119 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22120 is used by the currently-enabled check macros. This is:
22121 (tree_check_failed, tree_class_check_failed): For gcc.
22122 (tree_check, tree_class_check, cst_or_constructor_check,
22123 expr_check): For other compilers.
22125 * gencheck.c: Do not define any *_CHECK1 macros.
22127 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22128 Mark Mitchell <mark@codesourcery.com>
22130 * c-common.c (c_get_alias_set): Fix support for poitners and
22133 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22135 * alias.c: Include tree.h.
22136 (nonlocal_reference_p, mark_constant_function): New functions.
22137 * flow.c (life_analysis): Call mark_constant_function.
22138 * rtl.h (mark_constant_function): Declare it.
22140 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22142 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22143 unrecognisable switches.
22145 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22147 * loop.c (recombine_givs): Set ix field after sorting.
22148 (recombine_givs): Remove bogus index / giv lockstep looping.
22150 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22152 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22154 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22155 (do_cmp_and_jump): Formatting fixes.
22156 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22157 do_compare_rtx_and_jump instead of compare_from_rtx.
22158 (do_compare_rtx_and_jump): New function; mostly copied from
22160 (do_jump_for_compare): Delete.
22161 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22163 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22164 of compare/do_jump_for_compare pairs.
22165 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22166 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22167 compare_from_rtx/do_jump_for_compare pairs.
22168 (do_jump_by_parts_equality): Likewise.
22169 (do_jump_by_parts_equality_rtx): Likewise.
22170 * expr.h (do_compare_rtx_and_jump): Declare.
22171 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22172 that used to be in emit_cmp_insn.
22173 (cmp_available_p): New function.
22174 (prepare_operand): New function.
22175 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22176 to be in emit_cmp_insn.
22177 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22178 parameters to be pointers; don't emit final compare but modify some of
22179 the values pointed to by the args so the caller can perform the
22180 correct comparison.
22181 (expand_binop): Call emit_store_flag_force with signed forms of
22183 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22184 emit_jump_insn pair.
22185 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22186 emit_cmp_and_jump_insn_1. Call emit_queue.
22187 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22189 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22190 jump sets cc0 before deleting it.
22191 * integrate.c (expand_inline_function): Likewise.
22192 * unroll.c (unroll_loop): Similar changes in several places.
22193 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22194 before deleting it.
22196 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22198 * Makefile.in (insn-recog.o): Update dependencies.
22199 * genrecog.c (main): Make generated file include "function.h".
22201 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22203 * cse.c (cse_insn): Call never_reached_warning when a jump is
22204 changed to be unconditional.
22205 * flags.h: Declare warn_notreached.
22206 * flow.c (delete_block): Call never_reached_warning when
22207 a block is deleted.
22208 * jump.c (delete_barrier_successors): Call never_reached_warning
22209 when we delete everything after a BARRIER.
22210 (never_reached_warning): New function.
22211 * rtl.h: Declare never_reached_warning.
22212 * toplev.c (warn_notreached): New variable.
22213 (lang_independent_options): Set warn_notreached
22214 when -Wunreachable-code.
22215 (compile_file): We need line numbers for -Wunreachable-code.
22217 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22219 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22220 * sched.c (insn_unit): Likewise.
22222 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22224 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22226 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22228 * flow.c (create_edge_list): Use xmalloc, not malloc.
22230 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22232 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22233 C-style comments. Do not lose the character before double slash.
22235 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22237 * basic-block.h (struct edge_list): Stucture to maintain a vector
22239 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22240 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22241 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22242 New function prototypes.
22243 * flow.c (create_edge_list): Function to create an edge list.
22244 (free_edge_list): Discards memory used by an edge list.
22245 (print_edge_list): Debug output showing an edge list.
22246 (verify_edge_list): Internal consistency check for an edge list.
22247 (find_edge_index): Function to find an edge index for a pred and succ.
22249 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22251 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22254 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22256 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22258 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22260 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22262 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22264 * toplev.c (rest_of_compilation): Allow machine dependent
22265 reorganisation pass to place information into the RTL dump
22266 file if it so wishes.
22268 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22270 * explow.c (hard_function_value): Use VOIDmode instead of
22272 * stmt.c (expand_return): Likewise.
22273 * stor-layout.c (get_best_mode): Likewise.
22275 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22276 emit call instead of emit_insn call.
22278 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22280 * configure.in: Handle --disable/enable-win32-registry.
22281 * install.texi: Document --disable/enable-win32-registry.
22282 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22283 (WIN32_REGISTRY_KEY): New macro.
22284 * prefix.c: Use to enable/disable win32-specific code.
22285 (lookup_key): Use versioned key.
22286 * configure: Regenerate.
22287 * config.in: Likewise.
22289 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22291 * cpplib.c (read_line_number): New fn, split out of...
22294 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22296 tree.c (lang_unsave_expr_now) : New.
22297 (unsave_expr_now): Call lang_unsave_expr_now.
22298 tree.h (lang_unsave_expr_now) : New.
22300 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22302 * toplev.c (flag_new_exceptions): On by default.
22304 1999-08-13 Michael Meissner <meissner@cygnus.com>
22306 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22308 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22310 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22311 INTEGER_TYPE with precision==1, it's __java_boolean.
22313 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22315 * global.c (prune_preferences): Move some invariants out of the
22318 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22320 * configure.in (alpha*-dec-osf*): Add osf5.
22322 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22324 * configure.in: Rework handling of ARM GNU/Linux slightly.
22325 (arm*-*-linux-gnuoldld): New target.
22326 * configure: Regenerate.
22327 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22328 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22329 * config/arm/linux-oldld.h: New file.
22330 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22331 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22333 * config/arm/linux-elf.h (ASM_SPEC): Define.
22334 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22335 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22336 for 26-bit APCS and old linker.
22337 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22339 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22340 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22341 don't define `arm' or `arm_elf'.
22342 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22343 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22345 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22347 * rtl.texi: Fix typo.
22349 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22351 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22353 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22355 * extend.texi (C++ Signatures): Remove node.
22356 * invoke.texi: Remove discussion of -fhandle-signatures,
22357 signature, sigof, __signature__, and __sigof__.
22359 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22361 * Makefile.in (JAVAGC): Removed.
22363 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22365 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22367 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22369 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22371 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22373 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22374 a register that is already known to be a pointer.
22376 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22378 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22379 * fixinc/inclhack.sh: Regenerated.
22380 * fixinc/fixincl.sh: Regenerated.
22382 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22384 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22385 Fix documentation of -ansi flag to describe its C++ behavior.
22386 Remove bogus reference to GCC 2.9.
22388 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22390 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22391 note if it is non-NULL.
22393 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22395 * except.h (eh_nesting_info): Add new structure defintion.
22396 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22397 (reachable_handlers, update_rethrow_references): Add function
22399 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22400 a rethrow symbol instead of an integer exception region number.
22401 * flow.c (Make_edges): Use new exception nesting routines to determine
22402 which handlers are reachable from a CALL or asynchronous insn.
22403 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22405 (delete_eh_regions): Update rethrow labels, and don't delete
22406 regions which are the target of a rethrow.
22407 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22408 avoid overloading the SYMBOL_REF_USED flag.
22409 (rethrow_symbol_map): Use new rethrow_ref field.
22410 (rethrow_used): Use new rethrow_ref field.
22411 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22412 of an integer. Fix formatting.
22413 (output_exception_table_entry): Use new rethrow_ref field.
22414 (can_throw): Check for EH_REGION_NOTE before deciding
22415 whether a CALL can throw or not.
22416 (scan_region): Call rethrow_used() instead of accessing data structure.
22417 (update_rethrow_references): New function to make sure only regions
22418 which are still targets of a rethrow are flagged as such.
22419 (process_nestinfo): New static function to initialize a handler
22420 list for a specific region.
22421 (init_eh_nesting_info): New function to allocate and initialize
22422 the list of all EH handlers reachable from all regions.
22423 (reachable_handlers): New function to retrieve the list of handlers
22424 reachable from a specific region and insn.
22425 (free_eh_nesting_info): New function to dispose of a list of
22426 reachable handlers.
22428 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22430 * flow.c (split_edge): Set JUMP_LABEL field.
22431 (commit_one_edge_insertion): Set head correctly for insert_before.
22432 When inserting insns, update insn block numbers if allocated.
22434 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22436 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22437 retry_incomplete_types): Add static prototype.
22438 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22439 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22440 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22441 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22442 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22445 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22446 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22448 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22450 * output.h (assemble_name): Constify a char*.
22452 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22453 assemble_variable, assemble_name): Likewise.
22455 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22457 * arm/pe.c (arm_pe_unique_section): Likewise.
22459 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22461 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22463 * i386/interix.c (i386_pe_unique_section): Likewise.
22465 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22467 * i386/winnt.c (i386_pe_unique_section): Likewise.
22469 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22471 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22473 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22475 * pa/pa.c (output_call): Likewise.
22477 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22479 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22481 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22484 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22487 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22489 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22490 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22492 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22494 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22496 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22498 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22500 * tree.h (lang_identify): Constify a char*.
22501 (print_error_function): Add extern prototype. Constify a char*.
22503 * c-lang.c (lang_identify): Constify a char*.
22505 * objc/objc-act.c (lang_identify): Constify a char*.
22507 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22509 * genpeep.c (main): Make generated file include "function.h".
22510 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22512 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22514 * Makefile.in: Update dependencies.
22515 * alias.c: Include "function.h"
22516 * c-decl.c: Likewise.
22517 * caller-save.c: Likewise.
22518 * calls.c: Likewise.
22519 * combine.c: Likewise.
22521 * explow.c: Likewise.
22522 * final.c: Likewise.
22523 * global.c: Likewise.
22524 * graph.c: Likewise.
22525 * local-alloc.c: Likewise.
22526 * loop.c: Likewise.
22527 * optabs.c: Likewise.
22528 * profile.c: Likewise.
22529 * recog.c: Likewise.
22530 * regclass.c: Likewise.
22531 * regmove.c: Likewise.
22532 * reload.c: Likewise.
22533 * reorg.c: Likewise.
22534 * resource.c: Likewise.
22535 * sched.c: Likewise.
22536 * stupid.c: Likewise.
22537 * config/1750a/1750a.c: Likewise.
22538 * config/a29k/a29k.c: Likewise.
22539 * config/arc/arc.c: Likewise.
22540 * config/arm/arm.c: Likewise.
22541 * config/arm/thumb.c: Likewise.
22542 * config/c4x/c4x.c: Likewise.
22543 * config/clipper/clipper.c: Likewise.
22544 * config/convex/convex.c: Likewise.
22545 * config/fx80/fx80.c: Likewise.
22546 * config/i860/i860.c: Likewise.
22547 * config/m68k/m68k.c: Likewise.
22548 * config/m88k/m88k.c: Likewise.
22549 * config/mips/mips.c: Likewise.
22550 * config/pdp11/pdp11.c: Likewise.
22551 * config/pyr/pyr.c: Likewise.
22552 * config/romp/romp.c: Likewise.
22553 * config/sh/sh.c: Likewise.
22554 * config/tahoe/tahoe.c: Likewise.
22555 * config/vax/vax.c: Likewise.
22556 * config/we32k/we32k.c: Likewise.
22557 * config/sparc/sparc.c: Include "function.h".
22558 (mem_min_alignment): Test current_function rather than
22559 regno_pointer_align.
22560 * config/pa/pa.c: Likewise.
22561 (compute_frame_size): Delete declaration of
22562 current_function_outgoing_args_size.
22563 * config/arc/arc.h (current_function_varargs): Delete declaration.
22564 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
22566 * config/i370/i370.h (current_function_outgoing_args_size): Delete
22568 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
22569 current_function_uses_pic_offset_table.
22570 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
22571 of current_function_returns_pointer.
22572 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22573 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22574 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22575 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22576 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22577 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22578 * config/m88k/m88k.c: Include "function.h"
22579 (call_used_regs, current_function_pretend_args_size,
22580 current_function_outgoing_args_size, frame_pointer_needed): Delete
22582 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
22584 * config/mips/mips.h (current_function_calls_alloca): Delete
22586 * config/mn10200/mn10200.h (current_function_needs_context,
22587 rtx_equal_function_value_matters): Delete declarations.
22588 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
22589 flag_pic): Delete declarations.
22590 * config/pa/pa.h (current_function_pretend_args_size,
22591 current_function_decl): Delete declarations.
22592 * config/pa/som.h (current_function_varargs): Delete declaration.
22593 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
22595 * config/pyr/pyr.h (current_function_pretend_args_size,
22596 current_function_args_size, current_function_calls_alloca): Delete
22598 * config/sh/sh.h (current_function_varargs): Delete declaration.
22599 * config/sparc/sparc.h (current_function_outgoing_args_size,
22600 current_function_calls_alloca, current_function_decl): Delete
22602 * config/spur/spur.h (current_function_pretend_args_size,
22603 current_function_calls_alloca): Delete declarations.
22604 * config/v850/v850.c (current_function_outgoing_args_size): Delete
22606 * config/vax/vms.h (current_function_name): Delete declaration.
22607 * gcse.c: Include "function.h".
22608 (current_function_name, current_function_calls_setjmp): Delete
22610 * haifa-sched.c: Include "function.h".
22611 (forced_labels): Delete declaration.
22612 * jump.c: Likewise.
22613 * reg-stack.c: Likewise.
22614 * reload1.c: Likewise.
22615 * genemit.c (main): Make generated file include function.h.
22616 * genoutput.c (output_prologue): Likewise.
22618 * builtins.c (saveregs_value, apply_args_value): Delete variables.
22619 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
22620 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
22621 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
22622 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
22623 macros for some of them.
22624 (emit_filename, emit_lineno): Delete declarations.
22625 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
22626 regno_pointer_* variables through current_function.
22627 (gen_inline_header_rtx): Delete function.
22628 (save_emit_status): Delete function.
22629 (set_new_last_label_num): New function.
22630 (clear_emit_caches): New function.
22631 (restore_emit_status): Just clear last_labelnum and call
22633 (get_last_insn_anywhere): Variable sequence_stack is now accessed
22634 through macro seq_stack.
22635 (add_insn_after): Likewise.
22636 (add_insn_before): Likewise.
22637 (remove_insn): Likewise.
22638 (pop_topmost_sequence): Likewise.
22639 (in_sequence_p): Likewise.
22640 (start_sequence_for_rtl_expr): Likewise.
22641 (start_sequence): Likewise, and likewise for
22642 sequence_rtl_expr/seq_rtl_expr.
22643 (push_topmost_sequence): Likewise.
22644 (end_sequence): Likewise.
22645 (init_virtual_regs): Now takes a "struct emit_status *" argument.
22646 All callers changed. Store into that pointer instead of globals.
22647 (init_emit): Allocate emit elt of current_function.
22648 Changes for sequence_rtl_expr/sequence_stack renaming.
22649 Call clear_emit_caches instead of doing it in-line.
22650 Access regno_pointer_* variables through current_function.
22651 (init_emit_once) Don't clear sequence_stack.
22653 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
22655 (arg_pointer_save_area): Delete declaration.
22656 (finish_expr_for_function): Renamed from init_queue; no longer static.
22657 (init_expr): Don't call init_queue.
22658 (save_expr_status, restore_expr_status): Delete functions.
22659 (expand_expr): Changes to reflect new layout of struct function.
22660 Don't access current_function_check_memory_usage when current_function
22662 * expr.h (forced_labels, save_expr_regs, saveregs_value,
22663 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
22664 current_function_outgoing_args_size, current_function_arg_offset_rtx,
22665 current_function_uses_const_pool, function_call_count,
22666 current_function_uses_pic_offset_table, nonlocal_labels,
22667 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
22668 current_function_check_memory_usage, nonlocal_goto_handler_slots,
22669 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
22671 (finish_expr_for_function): Declare.
22672 * flags.h (current_function_has_nonlocal_label,
22673 current_function_has_nonlocal_goto, current_function_is_thunk,
22674 current_function_has_computed_jump): Delete declarations.
22675 * flow.c (forced_labels): Delete declaration.
22676 * function.c (current_function_pops_args,
22677 current_function_returns_struct, current_function_returns_pcc_struct,
22678 current_function_needs_context, current_function_calls_setjmp,
22679 current_function_calls_longjmp, current_function_has_nonlocal_label,
22680 current_function_has_nonlocal_goto, current_function_is_thunk,
22681 current_function_has_computed_jump, current_function_calls_alloca,
22682 current_function_contains_functions, current_function_returns_pointer,
22683 current_function_epilogue_delay_list, current_function_args_size,
22684 current_function_pretend_args_size, current_function_arg_offset_rtx,
22685 current_function_outgoing_args_size, current_function_varargs,
22686 current_function_stdarg, current_function_args_info, cleanup_label,
22687 current_function_name, current_function_uses_const_pool,
22688 current_function_instrument_entry_exit, current_function_return_rtx,
22689 current_function_uses_pic_offset_table, nonlocal_labels,
22690 current_function_internal_arg_pointer, current_function_cannot_inline,
22691 current_function_check_memory_usage, function_call_count,
22692 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
22693 nonlocal_goto_stack_level, return_label, save_expr_regs,
22694 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
22695 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
22696 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
22697 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
22698 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
22700 (push_function_context_to): Don't save them. Don't call
22701 save_storage_status, save_emit_status or save_expr_status.
22702 (pop_function_context_from): Don't restore them. Don't call
22703 restore_storage_status or restore_expr_status.
22704 (get_func_frame_size): New function.
22705 (get_frame_size): Use it.
22706 (assign_outer_stack_local): Reflect some member name changes in struct
22708 (put_reg_into_stack): Likewise.
22709 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
22711 (fixup_var_refs): Likewise.
22712 (fix_lexical_addr): Likewise.
22713 (trampoline_address): Likewise.
22714 (prepare_function_start): Clear field inlinable of current_function.
22715 (init_function_for_compilation): New function.
22716 (expand_dummy_function_end): New function.
22717 (expand_function_end): Call finish_expr_for_function.
22718 * function.h (struct emit_status): New; fields moved here from struct
22719 function and from global variables. Add accessor macros for some of
22721 (struct expr_status): Likewise.
22722 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
22723 (struct function): Add fields expr and emit, inlinable, inl_emit,
22724 original_arg_vector, original_decl_initial, inl_last_parm_insn,
22725 inl_max_label_num. Add many comments.
22726 Add accessor macros for all elts of struct function that no longer
22727 have a global variable.
22728 (cleanup_label, return_label, frame_offset, tail_recursion_label,
22729 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
22730 stack_slot_list): Delete declarations.
22731 (get_func_frame_size): Declare.
22732 (save_expr_status, restore_expr_status, save_emit_status,
22733 save_storage_status, restore_storage_status): Delete declarations.
22734 (init_virtual_regs): Declare.
22735 * output.h (current_function_pops_args,
22736 current_function_returns_struct, current_function_returns_pcc_struct,
22737 current_function_needs_context, current_function_calls_setjmp,
22738 current_function_calls_longjmp, current_function_calls_alloca,
22739 current_function_has_nonlocal_label, current_function_varargs,
22740 current_function_has_computed_jump, current_function_returns_pointer,
22741 current_function_contains_functions, current_function_args_size,
22742 current_function_pretend_args_size, current_function_stdarg,
22743 current_function_outgoing_args_size, current_function_args_info,
22744 current_function_name, current_function_return_rtx,
22745 current_function_epilogue_delay_list,
22746 current_function_uses_const_pool, current_function_cannot_inline):
22747 Delete declarations.
22748 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
22749 regno_reg_rtx): Delete declaration.
22750 (REGNO_POINTER_FLAG): Delete macro.
22751 * stmt.c (expand_goto): Changes to reflect that some fields in struct
22752 function were renamed.
22753 * stor-layout.c (save_storage_status, restore_storage_status): Delete
22755 * toplev.c: Include "function.h".
22756 (current_function_decl): Delete declaration.
22757 (compile_file): Call init_dummy_function_start and
22758 expand_dummy_function_end around some initializations that need to
22760 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
22761 Call init_function_for_compilation.
22762 * unroll.c: Include "function.h"
22763 (unroll_loop): Access regno_pointer_* variables through
22766 * tree.h (struct tree_decl): Add elt f to saved_insns member.
22767 (DECL_SAVED_INSNS): use it.
22768 (expand_dummy_function_end): Declare.
22769 (init_function_for_compilation): Declare.
22770 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
22771 that it's no longer an INLINE_HEADER.
22772 (expand_call): Likewise.
22773 * integrate.c (finish_inline): Delete function.
22774 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
22775 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
22776 args. Don't generate an INLINE_HEADER rtx, just return the arg
22777 vector. All callers changed.
22778 (save_for_inline_copying): Create a duplicate struct emit_status to
22779 hold the emit state for compiling the current function. Use this and
22780 the other new fields in struct function that are for integration
22781 instead of an INLINE_HEADER.
22782 Use memcpy instead of bcopy.
22783 Store the current struct function in DECL_SAVED_INSNS of fndecl.
22784 (save_for_inline_nocopy): Similar changes, except no new emit_status
22786 (expand_inline_function): Get information from function structure,
22787 not from an inline header rtx.
22788 (output_inline_function): Lose code to extract the necessary
22789 information from an inline header; simply put back the function
22790 structure into current_function. Clear its inlinable elt.
22791 * rtl.def (INLINE_HEADER): Delete.
22792 * rtl.h: Delete all accessors for an INLINE_HEADER.
22793 (gen_inline_header_rtx): Delete declaration.
22794 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
22795 Delete declarations.
22796 (REGNO_POINTER_ALIGN): Delete.
22797 (clear_emit_caches): Declare.
22798 (set_new_last_label_num): Declare.
22800 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
22802 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
22804 * except.c (expand_eh_region_start_for_decl): Always start a new block.
22805 * stmt.c (is_eh_region): Make sure current_function is present, too.
22807 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
22809 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
22810 for 64bit PA targets.
22812 * pa.h (SELECT_SECTION): Define.
22813 * som.h (SELECT_SECTION): Delete.
22815 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22817 * alias.c (init_alias_analysis): Wrap call to
22818 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
22820 1999-08-07 Bruce Korb <autogen@linuxbox.com>
22822 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
22823 <sys/asm.h> contains an asm comment with an apostrophe
22824 * fixinc/inclhack.sh: regen
22825 * fixinc/fixincl.x: regen
22827 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
22829 * function.c (init_function_start): Clear prologue & epilogue.
22830 (prologue_epilogue_contains): New function.
22831 * alias.c (init_alias_analysis): Use it.
22832 * rtl.h (prologue_epilogue_contains): Declare it.
22834 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
22836 * jump.c (onlyjump_p): New function.
22837 * rtl.h: Declare it.
22838 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
22839 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
22841 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
22843 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
22844 to invert loops. Simplify block scanning.
22846 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22848 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
22849 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
22851 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
22853 * config/sparc/liteelf.h: New file to support sparclite-elf target
22854 * config/sparc/t-sp86x: New file to support sparc86x targets
22855 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
22856 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
22857 * configure.in: Support above target triplets
22858 * configure: Regenerated
22860 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
22862 * fixinc/server.c (server_setup): Do not prefix function used as
22863 parameter with `&'.
22865 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
22867 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
22868 Remove fp reg alternatives.
22870 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
22872 * Makefiin (TAROUTOPTS): Kill.
22873 (install-headers-tar): Use "xpf" for tar headerfile extraction
22874 * i370/x-oe (TAROUTOPTS): Delete.
22875 * m68k/x-apollo68 (TAROUTOPTS): Delete.
22876 * m68k/x-hp320 (TAROUTOPTS): Delete.
22877 * m68k/x-hp320g (TAROUTOPTS): Delete.
22878 * gcc.texi: Update bug reporting text.
22880 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22882 * reg-stack.c (change_stack) Fixed problem with negative array index.
22884 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
22886 * extend.texi, install.texi: Fix spelling mistakes.
22888 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
22889 (s-attrtab); No longer try to use pre-made insn-attrtab file.
22890 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
22891 PREMADE_ATTRTAB_MD.
22892 * mips/t-ecoff: Likewise.
22893 * mips/t-elf: Likewise.
22894 * mips/t-mips: Likewise.
22895 * mips/t-osfrose: Likewise.
22896 * mips/t-r3900: Likewise.
22897 * mips/t-svr3: Likewise.
22898 * mips/t-svr4: Likewise.
22899 * mips/t-ultrix: Likewise.
22901 * gcc.texi: Document recommend means to provide software floating
22902 point libraries in libgcc.a
22904 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
22906 * c-lex.c (yylex): We can have a number with no digits.
22908 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
22910 * jump.c (delete_prior_computation): New function, broken
22911 out of delete_computation. Check for side effects with
22912 side_effects_p instead of FIND_REG_INC_NOTE. Handle
22913 multi-word hard registers.
22914 (delete_computation): Use it. Check for side effects with
22915 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
22916 missing REG_DEAD note for a register which is both set and
22919 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
22921 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
22922 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
22923 (ASM_FILE_START): Import _mcount with the right type.
22924 (ASM_DECLARE_FUNCTION_NAME): Define.
22925 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
22926 * pa.c (output_function_prologue): Always emit the function's label
22928 * pa.h (TEXT_SPACE_P): Define.
22929 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
22930 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
22931 * som.h (TEXT_SPACE_P): Delete.
22932 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
22933 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
22935 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
22937 * expr.c (emit_group_load): Allow src to be a CONCAT.
22939 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22941 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
22942 (___mulsi3): Use '!' comment character.
22944 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22946 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
22948 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
22950 * gcc.c: Update URLs and mail addresses.
22951 * gcc.texi: Likewise.
22953 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
22955 * rs6000.c (current_file_function_operand): Return zero for
22957 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
22959 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
22962 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
22964 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
22965 allocate space in the stack frame for the PIC register.
22967 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
22969 * m68k.md (xordi3, anddi3): These patterns are not available on
22972 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
22974 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
22975 (PUT_REAL): Likewise.
22977 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22979 * final.c (shorten_branches): Don't add an alignment for loops
22980 that have no label inside.
22982 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22984 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
22985 prototypes in macro HAVE_cmpstrsi.
22987 * cpplib.c (cpp_get_token): Remove unused label `op3'.
22989 * emit-rtl.c (operand_subword): Remove unused variable
22992 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
22994 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
22996 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
22998 * cpphash.c (macroexpand): Delete leading whitespace when arg
22999 is concatenated before.
23000 (unsafe_chars): Correct test for whether + and - can extend a
23003 * cppinit.c (cpp_start_read): Do dependencies for
23004 -include/-imacros files also.
23006 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23007 tokenizing non-directive lines.
23008 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23009 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23012 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23014 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23016 * c-lex.c: Sync with C++ frontend.
23017 (linemode): New variable.
23018 (parse_float): imag, conversion_errno, and type are output only.
23019 (yylex): Adjust. Move initial '.' case into main switch.
23021 (handle_generic_pragma): Just deal with tokens.
23022 (readescape): Use ISXDIGIT and ISGRAPH.
23023 * c-parse.in: Add END_OF_LINE token.
23025 * c-lex.c (lang_init): Generalize.
23026 (nextchar): Remove. Replace uses with UNGETC.
23027 (skip_white_space): Handle linemode here. Optimize for cpplib.
23028 (skip_white_space_on_line): Remove.
23029 (extend_token_buffer_to): New fn.
23030 (extend_token_buffer): Use it.
23031 (read_line_number, check_newline): Just deal with tokens.
23032 (token_getch, token_put_back): New fns.
23033 (yylex): Use them. More cpplib optimizations. Simplify.
23035 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23036 Jason Merrill <jason@yorick.cygnus.com>
23038 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23039 (consume_string): Make this smart about USE_CPPLIB.
23040 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23041 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23042 Also, clean up cases where we redundantly set token_buffer[0].
23043 (read_line_number): New fn.
23044 (ignore_escape_flag): New variable.
23046 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23048 * a29k/t-a29kbare: Fix some comments.
23049 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23050 (FPBIT, DPBIT): Define.
23051 * a29k/t-vx29k: Likewise.
23052 * arc/t-arc: Likewise.
23053 * arm/t-arm-elf: Likewise.
23054 * arm/t-bare: Likewise.
23055 * arm/t-pe: Likewise.
23056 * arm/t-pe-thumb: Likewise.
23057 * arm/t-semi: Likewise.
23058 * arm/t-thumb: Likewise.
23059 * arm/t-thumb-elf: Likewise.
23060 * arm/t-thumb-linux: Likewise.
23061 * h8300/t-h8300: Likewise.
23062 * i960/t-i960: Likewise.
23063 * i960/t-vxworks960: Likewise.
23064 * m32r/t-m32r: Likewise.
23065 * mips/t-ecoff: Likewise.
23066 * mips/t-elf: Likewise.
23067 * mips/t-r3900: Likewise.
23068 * pa/t-pro: Likewise.
23069 * rs6000/t-aix43: Likewise.
23070 * rs6000/t-beos: Likewise.
23071 * rs6000/t-newas: Likewise.
23072 * rs6000/t-ppccomm: Likewise.
23073 * rs6000/t-rs6000: Likewise.
23074 * rs6000/t-winnt: Likewise.
23075 * rs6000/t-xnewas: Likewise.
23076 * rs6000/t-xrs6000: Likewise.
23077 * sh/t-sh: Likewise.
23078 * sparc/t-elf: Likewise.
23079 * sparc/t-sparcbare: Likewise.
23080 * sparc/t-sparclite: Likewise.
23081 * sparc/t-splet: Likewise.
23082 * v850/t-v850: Likewise.
23083 * mn10200/t-mn10200: Fix comments.
23084 * mn10300/t-mn10300: Likewise.
23086 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23087 dummy operand. Allocate a new pseudo for the dummy operand.
23088 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23090 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23092 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23094 * configure: Rebuilt.
23095 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23097 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23099 * recog.c (preproces_constraints): Zero recog_op_alt before
23100 processing the constraints.
23102 * arm.c (typedef minipool_node): Renamed from pool_node.
23103 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23104 (add_minipool_constant): New function.
23105 (dump_minipool): New function.
23106 (find_barrier): Remove special case for getting the insn size of
23107 an insn that references the constant pool.
23108 (minipool_fixup): New structure.
23109 (push_minipool_barrier): New function.
23110 (push_minipool_fix): New function.
23111 (note_invalid_constants): New function.
23112 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23113 (arm_reorg): Rewrite code to fix up the constant pool into a
23114 series of mini-pools embedded in the insn stream.
23115 (arm_output_epilogue): New function, made mainly from the body
23116 of output_func_epilogue.
23117 (output_func_epilogue): Move insn generation part of epilogue code
23118 to arm_output_epilogue.
23119 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23120 * arm.md (pool_range): New attribute.
23121 (zero_extendqidi2): Add attribute pool_range.
23122 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23123 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23124 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23125 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23126 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23127 (epilogue): New expand.
23128 (epilogue_insn): New insn. Call arm_output_epilogue.
23130 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23131 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23133 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23135 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23137 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23139 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23141 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23143 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23145 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23147 * global.c: Fix comment.
23149 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23151 * gcc.c (access_check): New static function.
23152 (find_a_file): Use it when searching a directory list.
23153 * collect2.c (find_a_file): Don't accept directories found when
23154 searching a directory list.
23156 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23158 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23159 function parameters with `&'.
23160 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23162 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23164 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23165 or tidy_fallthru_edge if the last insn in the block is not
23166 an unconditional jump or a simple conditional jump.
23168 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23170 * Makefile.in (c-decl.o): Depends on defaults.h.
23172 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23174 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23176 (CLASS_MAX_NREGS): Likewise.
23178 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23180 * cse.c (cse_insn): Fix dumb thinko in last change.
23182 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23184 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23187 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23189 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23190 test for sizes of passed and declared parameter types.
23192 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23194 * fixincludes: Fix the return type of bsearch, char* -> void*.
23196 * fixinc/inclhack.def: Likewise.
23198 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23200 * invoke.texi (-fdump-translation-unit): New option.
23202 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23204 * expr.h (PROMOTE_PROTOTYPES): Move ...
23205 * defaults.h: ... to here.
23206 * c-decl.c: Include defaults.h instead of expr.h.
23207 * c-typeck.c: Include defaults.h.
23209 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23211 * toplev.h (errorcount): Declare.
23212 (warningcount): Likewise.
23213 (sorrycount): Likewise.
23214 * c-lex.c (errorcount): Don't declare.
23215 * dwarf2out.c (errorcount): Don't declare.
23217 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23219 * config/libgloss.h: Add a note discouraging use with ELF.
23220 * configure.in: Don't use libgloss.h for ELF targets.
23221 Always use_collect2 on a.out targets.
23223 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23225 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23226 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23228 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23230 * loop.c (strength_reduce): When doing biv->giv conversion, update
23231 reg note of NEXT->insn.
23233 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23235 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23237 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23239 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23240 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23241 Ensure expr.h is included.
23242 * c-typecheck.c (convert_arguments): Ditto.
23244 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23246 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23247 * config/convex/convex.h: Ditto.
23248 * config/dsp16xx/dsp16xx.h: Ditto.
23249 * config/fx80/fx80.h: Ditto.
23250 * config/gmicro/gmicro.h: Ditto.
23251 * config/i370/i370.h: Ditto.
23252 * config/i386/i386.h: Ditto.
23253 * config/m32r/m32r.h: Ditto.
23254 * config/m68k/m68k.h: Ditto.
23255 * config/m88k/m88k.h: Ditto.
23256 * config/mips/mips.h: Ditto.
23257 * config/pa/pa.h: Ditto.
23258 * config/pyr/pyr.h: Ditto.
23259 * config/tahoe/tahoe.h: Ditto.
23260 * config/we32k/we32k.h: Ditto.
23262 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23263 based on arch size.
23265 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23267 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23270 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23272 1999-08-02 Richard Henderson <rth@cygnus.com>
23274 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23275 for the register spill block.
23276 (m32r_va_arg): New.
23277 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23278 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23280 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23281 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23282 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23284 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23286 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23287 MAX_WCHAR_TYPE defined in sparc.h.
23288 * config/sparc/linuxaout.h: Likewise.
23289 * config/sparc/linux64.h: Likewise.
23290 Also default to -mvis if CPU is UltraSPARC.
23292 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23294 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23295 (RTX_OK_FOR_OLO10): Likewise.
23296 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23297 %lo(), allow it in addresses...
23298 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23299 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23300 does not make sense.
23301 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23302 (sparc_output_scratch_registers): New function.
23303 (output_function_prologue, sparc_flat_output_function_prologue): Use
23305 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23307 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23308 * configure.in: Add check for .register pseudo-op support in as and
23309 check for offsetable %lo().
23310 * acconfig.h: Add templates for the above checks.
23311 * configure: Regenerate.
23313 1999-08-02 Richard Henderson <rth@cygnus.com>
23315 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23316 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23317 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23319 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23321 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23324 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23326 * config/float-sparc.h: New file.
23327 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23328 sparc-*-linux-gnu and sparc64-*-linux*.
23330 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23332 * rs6000.c (rs6000_va_list): Type is an array.
23333 (rs6000_va_start): Don't doubly adjust for varargs.
23334 (rs6000_va_arg): Evaluate long long GPR adjustment.
23336 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23338 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23339 -maix64 and -maix32.
23340 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23341 LINK_SPEC): Change appropriately.
23342 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23343 (u_short_cint_operand): Likewise.
23344 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23346 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23348 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23350 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23352 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23353 for type promotion.
23354 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23355 (non_add_cint_operand): Likewise.
23356 (logical_operand): Likewise.
23357 (non_logical_cint_operand): Likewise.
23358 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23359 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23360 (rs6000_select_rtx_section): Suppress warning.
23361 (small_data_operand): Suppress warning.
23362 (rs6000_got_register): Suppress warning.
23363 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23364 type, so `J' is generally the wrong constraint for a SImode value;
23366 (andsi3_internal2): Likewise.
23367 (andsi3_internal3): Likewise.
23368 (iorsi3_internal1): Likewise.
23369 (xorsi3_internal1): Likewise.
23371 (movsf_softfloat): Likewise.
23372 (scc insns): Likewise.
23373 (movsi+2): Preserve sign bits of SImode constant.
23374 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23375 (movdf+1): Sign-extend properly.
23376 (movdi_32+1): Sign-extend properly.
23377 (scc insns): Sign-extend properly.
23379 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23382 1999-08-02 Richard Henderson <rth@cygnus.com>
23384 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23385 -mcpu parsing code.
23386 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23387 * alpha.md (all fp insns): Likewise.
23389 1999-08-02 Nick Clifton <nickc@cygnus.com>
23391 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23394 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23396 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23397 pic_load_label generator directly.
23398 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23399 No longer a named pattern.
23401 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23403 * explow.c (force_reg): Call force_operand if X does not
23404 satisfy general_operand.
23406 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23408 * fix-header.c (main): When testing for CONTINUED, use string
23409 equality, not pointer equality.
23411 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23413 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23415 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23417 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23418 that has become an unconditional jump.
23420 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23421 (output_function_epilogue): Similarly.
23423 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23425 * tree.h (init_dummy_function_start): Declare.
23427 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23429 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23430 last_expr_type, last_expr_value, block_start_count, block_stack,
23431 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23432 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23433 dynamically in stmt elt of struct function for each function.
23434 (struct nesting): Rename function_call_count elt to n_function_calls,
23435 target_temp_slot_level to block_target_temp_slot_level. All users
23437 (struct stmt_status): New structure definition.
23438 Add many accessor macros for stmt_status elements which previously
23439 were global variables.
23440 (init_stmt_for_function): Allocate stmt elt for current_function.
23441 Reflect that block_start_count was renamed to
23442 current_block_start_count.
23443 (save_stmt_status, restore_stmt_status): Delete functions.
23444 (preserve_subexpressions_p): Don't access loop_stack when outside
23446 (expand_start_bindings): Reflect that block_start_count was renamed to
23447 current_block_start_count.
23448 (expand_fixup): Likewise.
23449 (expand_decl): Don't access block_stack when outside a function.
23450 (expand_decl_cleanup): Likewise.
23451 (expand_dcc_cleanup): Likewise.
23452 (expand_dhc_cleanup): Likewise.
23453 (expand_anon_union_decl): Likewise.
23454 (set_file_and_line_for_stmt): New function.
23455 (in_control_zone_p): New function.
23457 * function.h (struct function): Add new elt stmt.
23458 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23459 case_stack, nesting_stack, nesting_depth, block_start_count,
23460 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23461 emit_lineno, goto_fixup_chain.
23462 (save_eh_status, restore_eh_status, save_stmt_status,
23463 restore_stmt_status): Delete declarations.
23464 * function.c (push_function_context_to): Don't call save_stmt_status.
23465 (pop_function_context_to): Don't call restore_stmt_status.
23466 * tree.h (in_control_zone_p): Declare.
23467 * rtl.h (set_file_and_line_for_stmt): Declare.
23469 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23470 call set_file_and_line_for_stmt.
23472 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23474 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23475 Also update copyright.
23477 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23479 * c-pragma.c: Don't include "except.h".
23480 * emit-rtl.c: Likewise.
23481 * stor-layout.c: Likewise.
23482 * tree.c: Likewise.
23483 * varasm.c: Likewise.
23485 * flow.c: Include "function.h".
23486 * tree.h (init_dummy_function_start): Declare new function.
23488 * except.h (struct eh_status): New structure.
23489 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23491 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23492 catch_clauses, false_label_stack, caught_return_label_stack,
23493 protect_list, current_function_ehc): Add accessor macros for the
23494 corresponding fields in current_function->eh; delete declarations
23495 for all items that used to be declared here.
23496 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23497 catch_clauses, false_label_stack, caught_return_label_stack,
23498 protect_list, current_function_ehc): Delete variables.
23499 (init_eh_for_function): Allocate current_function->eh.
23500 (save_eh_status, restore_eh_status): Delete functions.
23502 * function.h (struct function): Add fields next_global and eh.
23503 Delete all exception handling related fields.
23504 * function.c (current_function): New variable.
23505 (all_functions): New variable.
23506 (push_function_context_to): Don't allocate a struct function,
23507 use current_function instead. Call init_dummy_function_start when
23508 outside a function. Clear current_function before returning.
23509 (pop_function_context_from): Restore current_function.
23510 Don't free the restored struct function.
23511 (prepare_function_start): New function.
23512 (init_dummy_function_start): New function.
23513 (init_function_start): Break out some code into prepare_function_start
23516 * stmt.c (save_stmt_status): Don't call save_eh_status.
23517 (restore_stmt_status): Don't call restore_eh_status.
23519 * Makefile.in: Update dependencies.
23521 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
23523 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
23524 of depending on a magic constant value. Update comments.
23525 (hppa_expand_prologue): Similarly.
23527 * pa.md (reload_indi, reload_outdi): Allow any register for the
23528 original reload register.
23530 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
23532 * cccp.c (print_help): Change marcos to macros.
23534 1999-07-30 Richard Henderson <rth@cygnus.com>
23536 * c-typeck.c (initializer_constant_valid_p): Move ...
23537 * c-common.c (initializer_constant_valid_p): ... here. Use
23538 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
23539 of label addresses.
23540 * c-common.h (initializer_constant_valid_p): Declare.
23541 * c-tree.h (initializer_constant_valid_p): Remove.
23543 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
23545 * config/i386/sol2-c1.asm: Align the stack.
23546 * config/i386/sol2-gc1.asm: Likewise.
23548 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
23550 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
23551 -Asparclite for sparc86x.
23552 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
23554 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
23556 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
23558 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
23559 the user if using the non-default arch size in BI_ARCH configuration.
23560 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
23562 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
23563 Fix patterns so that they actually match.
23564 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
23565 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
23566 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
23568 (mulsidi3): Reflect this in the expand.
23569 (smulsi3_highpart): Only on TARGET_ARCH32.
23570 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
23571 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
23572 (umulsidi3): Reflect this in the expand.
23573 (umulsi3_highpart): Only on TARGET_ARCH32.
23574 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
23575 don't require g0 to be zero.
23576 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
23577 ({,u}divsi3): New expands.
23578 ({,u}divsi3_sp64): New patterns.
23579 (after lshrdi3_v8plus): Four new patterns to help combiner
23580 optimizing nested mixed mode shifts.
23582 * config/sparc/sparc.c (sparc_override_options): Use deprecated
23583 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
23584 speed things up. Don't use them by default on plain v9 in 64bit
23585 mode, according to what SPAMv9 sais.
23587 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
23588 top 32 bits of %[og][0-7] in signal handlers.
23589 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
23591 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
23593 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
23594 (ashlsi3): Corresponding changes.
23596 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
23598 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
23600 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
23602 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23604 * arm.h (Hint): Delete macro.
23605 Substitute HOST_WIDE_INT for Hint in some prototypes.
23606 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
23608 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
23610 * builtins.c (expand_builtin_setjmp): Use force_operand to
23611 make sure that the buffer address is in a suitable form to be
23612 passed to force_reg.
23614 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
23616 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
23619 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
23621 * pa.md (indirect_jump): Remove mode from match_operand. Verify
23622 proper mode in the condition string.
23623 (icacheflush, dcacheflush): Remove modes from match_operands.
23625 * pa.c (emit_move_sequence): Always convert scratch_reg to the
23626 proper mode before using it.
23628 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
23631 * pa.c (store_reg): Do not call add_high_const generator directly.
23632 (load_reg, set_reg_plus_d): Likewise.
23633 * pa.md (add_high_const): No longer a named pattern.
23635 * pa.c (legitimize_address): Consistently use Pmode rather than
23636 SImode. Do not call gen_pic2_highpart directly anymore.
23637 * pa.md (pic2_highpart): No longer a named pattern.
23638 (pic2_lo_sum): Similarly. Reformat to make more readable.
23640 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
23645 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23647 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
23649 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
23651 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
23652 and tag the spill mems.
23653 (hppa_va_start): New.
23654 (hppa_va_arg): New.
23655 * pa.h (EXPAND_BUILTIN_VA_START): New.
23656 (EXPAND_BUILTIN_VA_ARG): New.
23658 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
23660 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
23661 and tag the spill mems.
23662 (mn10300_va_start): New.
23663 (mn10300_va_arg): New.
23664 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
23665 (EXPAND_BUILTIN_VA_ARG): New.
23667 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
23669 * mn10200.c (mn10200_va_arg): New.
23670 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
23672 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
23674 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
23675 rather than play with TREE_INT_CST_LOW.
23677 1999-07-27 Philip Blundell <pb@nexus.co.uk>
23679 * config/arm/telf.h: Include dbxelf.h.
23680 (CPP_PREDEFINES): Only define if not already defined.
23681 (ASM_IDENTIFY_GCC): Likewise.
23682 (SUBTARGET_EXTRA_SECTIONS): Likewise.
23683 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
23684 * config/arm/thumb.h (LINK_SPEC): Only define if not already
23686 (DBX_DEBUGGING_INFO): Don't define.
23687 * config/arm/linux-telf.h: New file.
23688 * config/arm/linux-tgas.h: New file.
23689 * config/arm/t-thumb-linux: New file.
23690 * config/arm/uclinux-elf.h: New file.
23691 * config/arm/uclinux-telf.h: New file.
23692 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
23693 thumb-*-uclinux): New targets.
23694 * configure: Regenerate.
23696 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
23698 * pa.md (post_store, pre_load): New expanders.
23699 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
23700 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
23701 need to directly generate RTL for them.
23702 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
23705 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
23707 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
23708 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
23709 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
23710 (secndary_reload_class): Make TARGET_ELF conditional compile.
23711 (print_operand_address): Similar.
23712 (output_toc): Print all values as hex.
23713 (get_issue_rate): Rearrange and add RS64A and PPC630.
23714 * rs6000.h (processor_type): Add RS64A and PPC630.
23715 (PROCESSOR_POWERPC64): New.
23716 (PROMOTE_MODE): Use word_mode.
23717 (RTX_COSTS): Add RS64A and PPC630.
23718 * rs6000.md (scheduling information): Add lmul and ldiv
23719 representing 64-bit integer multiply and divide. Add rs64a and
23720 PPC630 information.
23721 (ashldi3): Add support for "rldic" instruction.
23722 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
23724 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
23726 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
23727 instead of V8 for sparclite86x in cpu_table.
23729 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23731 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
23732 output_file_directive.
23734 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
23736 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
23737 tree for op1, not the rtl.
23739 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
23741 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
23742 to m88k_va_start, leaving only the register spill.
23743 (m88k_build_va_list): New.
23744 (m88k_va_start): New.
23745 (m88k_va_arg): New.
23746 * m88k.h (BUILD_VA_LIST_TYPE): New.
23747 (EXPAND_BUILTIN_VA_START): New.
23748 (EXPAND_BUILTIN_VA_ARG): New.
23750 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
23752 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
23753 Rename from expand_builtin_saveregs.
23754 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
23756 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
23758 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
23759 for the register spill block.
23760 (i960_build_va_list): New.
23761 (i960_va_start): New.
23762 (i960_va_arg): New.
23763 * i960.h (BUILD_VA_LIST_TYPE): New.
23764 (EXPAND_BUILTIN_VA_START): New.
23765 (EXPAND_BUILTIN_VA_ARG): New.
23766 * i960.md (store_multiple): Use change_address on individul mems.
23768 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
23770 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
23772 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
23773 (expand_builtin_va_end): Evaluate arg for side effects.
23774 * c-common.c (c_common_nodes_and_builtins): Construct a
23775 va_list_arg_type_node to handle array decomposition to pointer.
23777 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
23779 * except.c (st_dynamic_cleanup): Use force_operand on the
23782 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
23784 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
23785 * c4x.c (c4x_va_arg): New.
23787 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
23789 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
23790 has manual_pop set.
23792 1999-07-26 Nathan Sidwell <nathan@acm.org>
23794 * eh-common.h (__eh_matcher): Prototype correctly.
23796 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
23798 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
23799 (TARGET_SINGLE_PIC_BASE): Likewise.
23800 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
23802 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
23803 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
23804 (TARGET_OPTIONS): Add -mpic-register=N.
23805 (OUTPUT_INT_ADDR_CONST): New macro.
23806 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
23807 LEGITIMATE_PIC_OPERAND_P): Likewise.
23808 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
23809 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
23810 output_addr_const directly.
23811 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
23813 (thumb_pic_register, thumb_pic_register_string): Declare.
23815 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
23817 (label_mentioned_p): New function: Imported from arm.c.
23818 (legitimize_pic_address): New function: Imported from arm.c.
23819 (is_pic):New function: Imported from arm.c.
23820 (thumb_finalize_pic):New function: Imported from arm.c.
23821 (add_constant): Cope with PIC constants.
23822 (fixit): Cope with PIC constants.
23823 (output_return): Do not treat the PIC register as live if
23824 TARGET_SINGLE_PIC_BASE is true.
23825 (thumb_function_prologue): Do not treat the PIC register as live if
23826 TARGET_SINGLE_PIC_BASE is true.
23827 (thumb_expand_prologue): Do not treat the PIC register as live if
23828 TARGET_SINGLE_PIC_BASE is true.
23829 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
23830 TARGET_SINGLE_PIC_BASE is true.
23831 (thumb_print_operand): Accept '|'.
23832 (thumb_override_options): Process PIC options.
23834 * config/arm/thumb.md (movsi): Support PIC.
23835 (call_insn): Change "i" constraint to "X".
23836 (call_value_insn): Likewise.
23837 (consttable_4, consttable_8, consttable_end): Set and clear
23838 "making_const_table" as appropriate.
23839 (pic_load_addr, pic_add_dot_plus_four): New insns.
23841 * invoke.texi (Thumb Options): Fix spelling. Document new
23842 options -msingle-pic-base and -mpic-register=.
23844 1999-07-26 Andrew Haley <aph@cygnus.com>
23846 * config/m32r/initfini.c (__init): Use a full word immediate for
23847 __fini: this allows it to be placed in any memory region.
23849 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
23850 -mmodel=medium. This is OK for all memory models.
23852 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
23854 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
23855 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
23857 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
23859 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
23862 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
23864 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
23866 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
23867 (BUILD_VA_LIST_TYPE): New.
23868 (EXPAND_BUILTIN_VA_START): New.
23869 (EXPAND_BUILTIN_VA_ARG): New.
23870 * i860.c (output_delayed_branch): Disable.
23871 (output_delay_insn): Likewise.
23872 (i860_saveregs): New.
23873 (i860_build_va_list): New.
23874 (i860_va_start): New.
23875 (i860_va_arg): New.
23876 * i860.md: Disable all peepholes using output_delayed_branch.
23877 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
23879 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
23881 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
23882 (BUILD_VA_LIST_TYPE): New.
23883 (EXPAND_BUILTIN_VA_START): New.
23884 (EXPAND_BUILTIN_VA_ARG): New.
23885 * clipper.c (clipper_builtin_saveregs): Only dump registers.
23886 Return the address of the save area.
23887 (clipper_build_va_list): New.
23888 (clipper_va_start): New.
23889 (clipper_va_arg): New.
23891 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
23893 * arc.h (EXPAND_BUILTIN_VA_START): New.
23894 (EXPAND_BUILTIN_VA_ARG): New.
23895 * arc.c (arc_setup_incoming_varargs): Set alias set of
23897 (arc_va_start): New.
23900 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
23902 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
23903 (BUILD_VA_LIST_TYPE): New.
23904 (EXPAND_BUILTIN_VA_START): New.
23905 (EXPAND_BUILTIN_VA_ARG): New.
23906 * alpha.c (alpha_builtin_saveregs): Delete.
23907 (alpha_build_va_list): New.
23908 (alpha_va_start): New.
23909 (alpha_va_arg): New.
23911 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
23913 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
23915 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
23916 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
23918 * gcc.texi: More changes related to list conversion.
23919 * invoke.texi: Likewise.
23921 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
23923 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
23924 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
23925 (expand_builtin_next_arg): Accept ARGLIST not EXP.
23926 (stabilize_va_list): New function.
23927 (std_expand_builtin_va_start): New function.
23928 (expand_builtin_va_start): New function.
23929 (get_varargs_alias_set): New function.
23930 (std_expand_builtin_va_arg): New function.
23931 (expand_builtin_va_arg): New function.
23932 (expand_builtin_va_end): New function.
23933 (expand_builtin_va_copy): New function.
23934 (expand_builtin): Call them.
23935 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
23936 __builtin_{varargs_start,stdarg_start,end,copy}.
23937 (build_va_arg): New function.
23938 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
23939 (build_va_arg): Declare.
23940 * c-decl.c (ptr_type_node, va_list_type_node): New.
23941 * c-parse.gperf (__builtin_va_arg): New.
23942 * c-parse.in (VA_ARG): New token.
23943 (unary_expr): Recognize it.
23944 * expr.c (expand_expr): Expand VA_ARG_EXPR.
23945 * expr.h (std_expand_builtin_va_start): Declare.
23946 (std_expand_builtin_va_arg): Declare.
23947 (expand_builtin_va_arg): Declare.
23948 (get_varargs_alias_set): Declare.
23949 * tree.def (VA_ARG_EXPR): New.
23950 * tree.h (BUILT_IN_VARARGS_START): New.
23951 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
23952 (ptr_type_node, va_list_type_node): Declare.
23953 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
23954 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
23955 * m88k.h, m88k.c: Likewise.
23956 * mn10300.h, mn10300.c: Likewise.
23957 * pa.h, pa.c: Likewise.
23958 * rs6000.h, rs6000.c: Likewise.
23959 * sh.h, sh.c: Likewise.
23960 * sparc.h, sparc.c: Likewise.
23962 * emit-rtl.c (operand_subword): Copy alias set.
23963 (change_address): Likewise.
23965 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
23967 * pa.c (compute_frame_size): Scan all the used callee saved registers,
23968 not just the first one.
23970 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
23972 * config/arm/arm.h (TARGET_SWITCHES): Add
23973 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
23974 (TARGET_OPTIONS): Add -mpic-register=.
23975 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
23976 (arm_pic_register_string): Declare.
23977 (NEED_PLT_GOT): Delete, replace with ...
23978 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
23979 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
23980 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
23981 * config/arm/arm.c (arm_override_options): Add new option
23983 (arm_pic_register_string): New variable.
23984 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
23985 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
23986 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
23987 (output_return_instruction): Likewise.
23988 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
23989 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
23990 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
23992 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
23993 mention of -msched-prolog. Document new options -msingle-pic-base
23994 and -mpic-register=.
23996 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
23998 * haifa-sched.c (reemit_notes): Tidy.
23999 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24002 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24004 * explow.c (trunc_int_for_mode): New function.
24005 (plus_constant_wide): Use it.
24006 * combine.c (simplify_and_const_int): Likewise.
24007 (merge_outer_ops): Likewise.
24008 (simplify_shift_const): Likewise.
24009 * cse.c (simplify_unary_operation): Likewise.
24010 (simplify_binary_operation): Likewise.
24011 * emit-rtl.c (operand_subword): Likewise.
24012 * rtl.h: Declare it.
24014 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24016 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24017 (use NUM_REGS instead of NUM_INTS).
24019 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24021 * builtins.c: New file.
24022 * expr.c (saveregs_value, apply_args_value): Delete definition,
24023 moved into builtins.c.
24024 (string_constant): No longer static.
24025 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24026 apply_args_size, apply_result_size, result_vector,
24027 expand_builtin_apply_args, expand_builtin_apply,
24028 expand_builtin_return): Delete functions, moved into builtins.c.
24029 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24030 * expr.h (saveregs_value, apply_args_value): Declare variables.
24031 (expand_builtin, string_constant): Declare functions.
24032 * Makefile.in: Update to build builtin.o.
24034 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24036 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24037 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24038 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24039 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24041 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24044 1999-07-21 Michael Meissner <meissner@cygnus.com>
24046 * print-rtl.c (print_rtx): Print the names of the virtual
24049 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24051 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24052 introduced in previous delta.
24054 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24056 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24057 to avoid name clash.
24059 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24061 * c-lex.c (yylex) : Correct the test for overflow when lexing
24064 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24066 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24067 (adjust_priority): Always call ADJUST_PRIORITY.
24068 (schedule_insn): Only put insns into the ready at cost 0.
24069 (schedule_block): Remove redundant initial sort. Give clock_var
24070 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24072 * tm.texi (MD_SCHED_REORDER): Update docs.
24074 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24075 * sparc.c (ultra_reorder_called_this_block): Delete.
24076 (ultrasparc_sched_init): Don't set it.
24077 (ultrasparc_sched_reorder): Don't check it.
24079 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24081 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24082 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24083 (function_arg_boundary): Align DFmode.
24084 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24085 to get fp reg and stack overflow correct.
24086 (function_arg): Likewise.
24087 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24088 (setup_incoming_varargs): Restructure for ABI_V4; use
24089 function_arg_advance to skip final named argument.
24090 (expand_builtin_saveregs): Properly unskip the last integer arg
24091 when doing varargs. Adjust overflow location calculation.
24093 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24094 explicitly unsigned.
24095 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24096 (__VA_GP_REGSAVE): Similarly.
24097 (__va_longlong_p): Delete.
24098 (__va_arg_type_violation): New declaration.
24099 (va_arg): Restructure. Flag promotion errors. Align double.
24100 TFmode passed by reference.
24102 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24103 in the HOST_BITS_PER_WIDE_INT > 32 case.
24105 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24107 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24109 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24111 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24112 * toplev.c (documented_lang_options): Add -fpreprocessed.
24113 * cpplib.h (struct cpp_buffer): Add preprocessed.
24114 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24115 (cpp_start_read): Don't expand macros or emit an initial #line
24116 directive if -fpreprocessed.
24118 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24120 * cpplib.h (struct cpp_buffer): Added manual_pop for
24121 better C++ tokenization.
24122 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24123 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24124 * c-common.c (cpp_token): Make non-static.
24126 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24128 * c-common.h: New file.
24129 * c-common.c (permanent_obstack): Delete unused declaration.
24130 (c_global_trees): New array.
24131 (c_common_nodes_and_builtins): New function; split off common code
24132 from init_decl_processing in both c-decl.c and cp/decl.c.
24133 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24134 c_global_trees and accessor macros defined in c-common.h.
24135 Include c-common.h.
24136 * c-decl.c: Delete definitions for tree nodes that were replaced by
24138 (init_decl_processing): Build void_list_node.
24139 Call c_common_nodes_and_builtins; delete code to generate the common
24141 * objc/objc-act.c (build_module_descriptor): Rename variable
24142 void_list_node to avoid clash with c-common.h.
24144 * Makefile.in: Update dependencies.
24145 * objc/Make-lang.in: Likewise.
24147 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24149 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24150 (UNIQUE_SECTION_P): Likewise.
24151 (UNIQUE_SECTION): Likewise.
24153 1999-07-19 Linas Vepstas <linas@linas.org>
24155 * config/i370/README: New file.
24156 * config/i370/linux.h: New file.
24157 * config/i370/mvs.h: New file.
24158 * config/i370/oe.h: New file.
24159 * config/i370/t-linux: New file.
24160 * config/i370/t-mvs: New file.
24161 * config/i370/t-oe: New file.
24162 * config/i370/x-oe: New file.
24163 * config/i370/xm-linux.h: New file.
24164 * config/i370/xm-mvs.h: New file.
24165 * config/i370/xm-oe.h: New file.
24167 * i370.c (label_node_t): Add first_ref_page, label_addr,
24168 label_first_ref, label_last_ref members.
24169 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24170 (MAX_MVS_LABEL_SIZE): Define.
24171 (MAX_LONG_LABEL_SIZE): Define.
24172 (alias_node_t, alias_anchor, alias_number): New.
24173 (mvs_function_table): Reorder for EBCDIC.
24174 (ascebc, ebcasc): Unconditionally define.
24175 (i370_branch_dest, i370_branch_length): New functions.
24176 (i370_short_branch, i370_label_scan): New functions.
24177 (mvs_get_label): Renamed from mvs_add_label. Search for
24178 an existing label before creating a new one.
24179 (mvs_add_label): New function.
24180 (mvs_get_label_page): New function.
24181 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24182 over the entire list.
24183 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24184 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24185 (mvs_add_alias, mvs_need_alias): New functions.
24186 (mvs_get_alias, mvs_check_alias): New functions.
24187 (handle_pragma): New function.
24188 (mvs_function_check): New function.
24189 (unsigned_jump_follows_p): Search harder.
24190 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24191 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24192 * i370.h (TARGET_VERSION): Delete.
24193 (CPP_SPEC, CPP_PREDEFINES): Delete.
24194 (mvs_label_emitted): Delete.
24195 (TARGET_EBCDIC): Delete.
24196 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24197 (HANDLE_PRAGMA): Define.
24198 (HARD_REGNO_NREGS): Handle complex modes.
24199 (HARD_REGNO_MODE_OK): Likewise.
24200 (CLASS_MAX_NREGS): Likewise.
24201 (RET_REG): Likewise.
24202 (EXTRA_CONSTRAINT): Define.
24203 (RETURN_IN_MEMORY): True for DImode.
24204 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24205 (FUNCTION_PROFILER): Delete.
24206 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24207 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24208 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24209 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24210 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24211 (ASM_FILE_START): Add "RMODE ANY".
24212 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24213 (ASM_GLOBALIZE_LABEL): Likewise.
24214 (ASM_OUTPUT_LABELREF): Likewise.
24215 (ASM_OUTPUT_COMMON): Likewise.
24216 (PRINT_OPERAND): Handle 'K', 'W', default.
24217 (PRINT_OPERAND_ADDRESS): New.
24218 (Lots of defines): Add support for TARGET_ELF_ABI.
24219 * i370.md (attr length): New. Define for all patterns.
24220 (*): Lots of tweeks to assembly output and constraints.
24222 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24224 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24225 Disable patterns performing SImode comparisons with SImode values
24226 if TARGET_POWERPC64 and instruction does not sign-extend or does
24227 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24228 differ for signed quantities.
24229 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24230 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24231 (decrement_and_branch_on_count): Add 64-bit variant.
24233 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24235 * final.c (output_asm_insn): When searching for the matching string
24236 for a given dialect, don't run past the end of the list of
24237 alternatives if there are fewer alternatives in the template than
24240 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24242 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24243 Removed paragraph about compression of files and size limitation,
24244 duplicated in the FAQ. Use gcc-patches for posting patches.
24245 * gcc.c (main): Updated URL with bug reporting instructions to
24246 gcc.gnu.org. Removed e-mail address.
24247 * system.h (abort): Likewise.
24249 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24251 * Makefile.in (stmp-multilib-sub): Make the files extracted
24252 from $(LIBGCC1) writable.
24254 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24256 * config/arm/aout.h: Reformat for improved readability.
24258 * config/arm/arm.h: Reformat for improved readability.
24259 Replace uses of fprintf with asm_fprintf where appropriate.
24260 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24261 function declaration assembler actions.
24262 (NUM_INTS): New macro: Convert from bytes to words.
24263 (NUM_REGS): New macro: Compute number of registers required to
24264 hold a quanitity of tyep MODE.
24265 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24267 (NUM_ARG_REGS): New macro: The number of argument registers
24269 (ARG_REGISTER): New macro: Compute the register number of the Nth
24271 (LAST_ARG_REGNUM): New macro: The number of the last argument
24273 (SP_REGNUM): New macro: Register number of the stack pointer.
24274 (FP_REGNUM): New macro: Register number of the frame pointer.
24275 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24276 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24277 CUMULATIVE_ARGS so that it counts registers not bytes.
24279 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24281 Replace uses of fprintf with asm_fprintf where appropriate.
24282 (output_ascii_pseudo_op): Replace with version from thumb.c
24284 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24286 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24287 SUBTARGET_CPP_SPEC.
24288 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24289 (ASM_FILE_START): Emit ASM_APP_OFF.
24291 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24293 * pa.c (compute_frame_size): Round frame according to
24294 STACK_BOUNDARY rather than a hardwired value.
24296 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24298 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24300 * configure: Rebuilt.
24302 * configure.in (hppa*-*-linux*): New configuration.
24303 * configure: Rebuilt.
24304 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24305 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24306 * pa/pa-linux.h: New file.
24307 * pa/t-linux: New file.
24308 * pa/xm-linux.h: New file.
24310 * pa.c (hppa_legitimize_address): Change references from SImode to
24311 either Pmode or word_mode as appropriate.
24312 (emit_move_sequence, store_reg, load_reg): Likewise.
24313 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24314 (output_mul_insn): Likewise.
24315 * pa.h (PROMOTE_MODE): Likewise.
24316 (INITIALZE_TRAMPOLINE): Likewise.
24317 (Pmode): Define to word_mode.
24319 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24320 value of 4. Allocate 8 bytes for each FP register save.
24321 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24323 (hppa_expand_prologue): Likewise.
24324 * pa.h (PROMOTE_MODE): Likewise.
24325 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24326 (FUNCTION_ARG_BOUNDARY): Likewise.
24328 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24330 * pa.c (out_of_line_prologue_epilogue): Delete.
24331 (override_options): Remove -mspace related code.
24332 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24333 (compute_frame_size): Only allocate space for register that
24334 actually need to be saved.
24335 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24336 (TARGET_SWITCHES): Remove -mspace, -mno-space
24337 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24338 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24339 * pa/ee.asm, pa/ee_fp.asm: Delete.
24341 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24343 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24344 directive in column zero.
24346 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24348 * m68k.c (output_function_prologue): Fix computation of save mask
24349 when generating PIC code.
24351 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24353 * tree.c (build_type_attribute_variant): Move current_obstack restore
24354 after build_qualified_type call.
24356 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24358 * configure.in: Use t-iris6, even with GNU LD.
24359 * config/mips/iris6gld.h: Fix typo in linker spec.
24360 * config/mips/t-iris6gld: Remove.
24362 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24364 * rs6000.md (insv, extzv): Remove SImode dependence in named
24365 patterns. Explicitly generate DImode RTL if PowerPC64 and
24367 (insvdi): Reverse start and size in instruction template.
24369 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24371 * invoke.texi: Typo fixes.
24373 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24375 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24376 handle at this time instead of silently generating incorrect code.
24377 (gen_imagpart): Likewise.
24379 * reload.c (find_reloads): Emit a USE for a pseudo register without
24380 a hard register if we could not create an optional reload for the
24383 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24385 * c-typeck.c (output_init_element, process_init_element):
24386 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24387 check for nameless bit fields.
24389 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24391 * regclass.c (scan_one_insn): Notice subregs that change the
24392 size of their operand.
24393 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24395 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24397 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24398 * configure: Rebuilt.
24399 * alpha/t-ieee: New file.
24401 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24403 * rs6000.c (find_addr_reg): Do not select r0 as an address
24406 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24408 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24410 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24412 * rs6000.md (movsf): Do not force easy FP constants into memory.
24414 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24415 immed_double_const to ensure they are properly truncated then
24418 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24420 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24421 always unless NO_DEBUG is used. Compile this code
24423 (replace_symbols_in_block): Compile it unconditionally.
24425 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24427 * configure.in (i?86-*-elf*): New target.
24428 * configure: Rebuilt.
24429 * i386/i386elf.h, i386/t-i386elf: New files.
24431 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24433 * toplev.c (main): Don't complain about saying -gdwarf.
24434 (rest_of_compilation): Remove redundant code.
24436 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24438 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24440 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24442 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24443 "Li960R:", to avoid name clash.
24445 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24447 * loop.c (check_dbra_loop): When reversing a loop, delete all
24448 REG_EQUAL notes referencing the reversed biv except those which are
24449 for a giv based on it.
24451 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24453 * version.c: Drop "gcc-" prefix from version #.
24455 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24457 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24458 the label if we're being verbose.
24460 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24462 * m68k.c (output_function_prologue): Add pic register to mask
24463 if live and flag_pic.
24464 (output_function_epilogue): Likewise.
24466 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24468 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24469 directives in column zero.
24471 * pa/elf.h (ASM_FILE_START): Define.
24472 * pa/som.h (ASM_FILE_START): Include .level directives.
24473 * pa/hpux10.h (ASM_FILE_START): Delete.
24474 * pa/hpux11.h (ASM_FILE_START): Delete.
24476 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24478 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24480 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24481 when reload_out equals reload_in.
24483 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24485 * invoke.texi (Spec Files): New node: Describe the contents of
24488 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24490 * invoke.texi (DEC Alpha Options): Put @end table at
24491 beginning of line, to avoid confusing texi2html.
24493 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24495 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24496 introduced in previous delta.
24498 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24500 * reload1.c (gen_reload): When synthesizing a 3 operand add
24501 sequence, improve test for when to reload OP1 into the reload
24502 register instead of OP0.
24504 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24506 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24508 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24510 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24513 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24515 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24516 (va_dcl): Use __builtin_va_alist_t.
24518 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
24520 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
24521 on the permanent_obstack.
24522 * dwarfout.c (output_type): Likewise.
24524 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
24526 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24527 Merged from c-typeck.c and cp/typeck.c.
24528 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24529 Merged into c-common.
24531 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
24533 * c-lex.c (errorcount): Declare it.
24534 (finish_parse): Update errorcount when using CPPLIB.
24536 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
24538 * fixinc/inclhack.def(end_else_label): Double the backslash so
24539 sed gets a chance to see it.
24540 * fixinc/inclhack.sh: regen
24541 * fixinc/fixincl.x: regen
24543 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
24545 Add framework to support armv5 architecture when it becomes
24548 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
24549 (arm_arch5): New variable.
24550 (all_architectures): Add armv5 line.
24551 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
24552 -march=armv5 is specified on the command line.
24553 (arm_arch5): Export this variable.
24554 * invoke.texi: Document new string accepted by -march= switch for
24557 * config/arm/arm.h: Replace use of constant 12 as a register
24558 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24559 * config/arm/arm.c: Replace use of constant 12 as a register
24560 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24562 * config/arm/elf.h: Tidy up.
24563 * config/arm/coff.h: Tidy up.
24565 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
24567 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
24568 * gcc/config/mips/t-iris6gld: New file.
24569 * gcc/config/mips/iris6gld.h: Likewise.
24571 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
24573 * c-decl.c (widest_integer_literal_type_node,
24574 widest_unsigned_literal_type) : New.
24575 (init_decl_processing): Handle/use the two new types.
24576 * c-common.c (type_for_size,type_for_mode) : Same.
24577 * c-lex.c (yylex) : Same.
24578 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24580 * c-tree.h (widest_integer_literal_type_node,
24581 widest_unsigned_literal_type) : New.
24583 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
24585 * dwarfout.c (field_byte_offset): Correctly compute the object's
24586 byte offset for the first bit of a field which crosses an alignment
24587 boundary on a !BYTES_BIG_ENDIAN target.
24589 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
24591 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
24594 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
24595 Jeff Law <law@cygnus.com>
24597 * ginclude/varargs.h (va_dcl): Use word_mode for type of
24600 * except.c: Include intl.h.
24601 (expand_eh_return): Set current_function_cannot_inline.
24602 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
24603 * function.h (struct function): Add eh_return_stub_label.
24604 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
24605 * Makefile.in (except.o): Depend on intl.h.
24607 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
24609 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
24610 same as offsettable in cases 1 and 2.
24612 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
24614 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
24615 (extlh, extwh): Likewise.
24617 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
24619 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
24621 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
24623 * configure.in: Add arm-pe and thumb-pe targets.
24624 * configure: Regenerate.
24626 * thumb.c (arm_naked_function_p): New function: Determines if
24627 a function is naked (has no gcc generated prologue/epilogue).
24628 (is_called_in_ARM_mode): Return true if the func has the
24629 interfacearm attribute.
24630 (output_return): Do not generate a return for naked functions.
24631 (thumb_function_prologue): Do not generate a prologue for
24633 (thumb_expand_prologue): Do not generate a prologue for naked
24635 (thumb_expand_epilogue): Do not generate an epilogue for naked
24637 (arm_valid_machine_decl_attribute): New function, copied from
24638 arm.c: Permit naked and interfacearm attributes.
24640 * config/arm/pe.c: New file: Support code for arm-pe target.
24641 * config/arm/pe.h: New file: Header file for arm-pe target.
24642 * config/arm/tpe.h: New file: Header file for thumb-pe target.
24643 * config/arm/t-thumb-pe: New file: Makefile fragment for
24646 1999-07-01 Mark Kettenis <kettenis@gnu.org>
24648 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
24649 -fPIC or -fpic is specified.
24651 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
24653 * expr.c (emit_block_move): Use copy_to_mode_reg for
24654 !TARGET_MEM_FUNCTIONS case too.
24656 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
24658 * configure: Rebuilt.
24659 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
24660 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
24661 definitions made redundant by dbxelf.h inclusion. Delete
24662 lots of definitions related to assembly output that are
24663 specific to the SOM object format.
24664 * pa.c (output_function_prologue): Do not emit the function's
24666 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
24667 * pa-pro.h: Deleted.
24668 * som.h: New file with SOM specific definitions.
24669 * elf.h: New file with ELF specific definitions.
24671 * elfos.h (const_section): Output a tab before assembler directives.
24672 (ctors_section, dtors_section): Likewise.
24673 (ASM_OUTPUT_SECTION_NAME): Likewise.
24675 * pa/pa1.h: Delete unused file.
24677 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
24679 * configure.in (hppa*-hp-hpux11*): New configuration.
24680 * configure: Rebuilt.
24681 * pa/pa-hpux11.h: New file.
24682 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
24685 * mips.md (leasi, leadi): New patterns.
24687 * expr.c (emit_block_move): Properly handle case where one of the
24688 block move arguments has a queued increment or decrement.
24689 (clear_storage): Similarly. Fix formatting goof.
24691 1999-06-28 "David O'Brien" <obrien@NUXI.com>
24693 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
24694 semicolon from the BSD VA_LIST replacement expression.
24696 * fixinc/inclhack.sh: regen
24697 * fixinc/fixincl.x: regen
24699 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
24700 now use the fixincl program.
24702 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
24704 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
24705 case. Also make the PIC register call_used.
24707 * m68k.h (FINALIZE_PIC): Delete.
24708 * m68k.c (finalize_pic): Delete.
24710 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
24712 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
24715 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
24717 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
24719 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
24721 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
24723 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
24725 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
24727 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
24729 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
24731 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
24733 * rs6000.c (output_toc): Always use hex values for floating-point
24734 constants. Store single-precision values in upper-half of TOC
24735 entry in 64-bit mode.
24736 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
24737 to final constraints.
24738 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
24739 (fctiwz): Improve accuracy of RTL for pattern.
24741 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
24743 * expr.c (expand_expr): Allow RTL_EXPR's through the
24744 MAX_INTEGER_COMPUTATION_MODE checks.
24746 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
24748 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
24749 such that MASK_SUPPORT_ARCH is not negative.
24751 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
24753 * loop.c (verify_dominator): Properly handle ADDR_VEC and
24754 ADDR_DIFF_VEC insns that appear inside loops.
24756 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
24757 Jeff Law <law@cygnus.com>
24759 * rs6000.md (movdf_hardfloat32): Revert previous patch.
24760 Handle LO_SUM the same as offsettable in cases 1 and 2.
24761 * rs6000.c (find_addr_reg): Revert previous patch.
24763 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
24765 * system.h (strstr): New external function declaration.
24766 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
24767 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
24768 * config.in, configure: Rebuilt.
24770 1999-06-24 Tom Tromey <tromey@cygnus.com>
24772 * gcc.c (main): Read user-specified specs files after computing
24773 additional startfile_prefixes.
24775 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
24777 Revert these two patches:
24779 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24780 * loop.c (strength_reduce): When doing biv->giv conversion, update
24781 reg note of NEXT->insn.
24783 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24784 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24786 (recombine_givs): Set ix field after sorting.
24788 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24790 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
24791 for the parts of an UNSPEC / UNSPEC_VOLATILE.
24793 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
24795 *fixinc/inclhack.def: Add fix development commentary
24796 (read_ret_type): reactivate and add selection clause
24797 (zzz_*): tweak output file name to match what is used in hackshell.tpl
24798 *fixinc/{fixincl.x|inclhack.sh}: regen
24800 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
24802 * expr.c (expand_expr): STRIP_NOPS before checking against
24803 MAX_INTEGER_COMPUTATION_MODE
24804 (check_max_integer_computation_mode): Likewise.
24806 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
24808 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
24810 1999-06-22 Jim Wilson <wilson@cygnus.com>
24812 * expr.c (store_expr): When target is a promoted subreg, return a
24813 promoted subreg as a result.
24815 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
24817 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
24819 (dwarf2out_define): Mark unused parameters appropriately.
24820 (gen_unspecified_parameters_die): Ditto.
24821 (gen_subprogram_die): Fix signed/unsigned warnings.
24822 (gen_variable_die): Ditto.
24824 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
24826 * fixinc/inclhack.def(end_else_label): combined else_label
24827 and endif_label and fixed the sed expression.
24828 *fixinc/{fixincl.x|inclhack.sh}: regen
24830 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
24832 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
24833 'x' when handling non-offsettable addresses
24835 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
24837 * final.c (shorten_branches): Don't try to split an insn that has
24840 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
24842 * config/mips/mips.c (symbolic_expression_p): New function.
24843 (mips_select_rtx_section): Put symbolic expressions in the
24844 data section, not the read-only data section.
24846 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
24848 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
24850 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
24852 * collect2.c (main): Log frame table count.
24853 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
24854 (scan_prog_file) [COFF]: Handle frame tables.
24856 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
24857 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
24858 * alpha/elf.h: Undef them again.
24859 * alpha/vms.h: Remove their definitions.
24861 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24863 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
24864 remove the clobber of r0 and change the REG_UNUSED note to
24867 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
24869 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
24870 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
24871 fits in HOST_WIDE_INT and one uses union to access a long constant
24874 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
24876 * sparc.c (sparc_override_options): Don't allow profiling for
24877 code models other than medlow.
24878 (sparc_function_profiler): New function from old FUNCTION_PROFILER
24879 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
24880 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
24881 (sparc_block_profiler): Likewise.
24882 (sparc_function_block_profiler_exit): Likewise.
24883 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
24884 (FUNCTION_BLOCK_PROFILER): Likewise.
24885 (BLOCK_PROFILER): Likewise.
24886 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
24887 (MCOUNT_FUNCTION): New.
24888 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
24889 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
24890 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
24891 (MCOUNT_FUNCTION): New.
24892 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
24893 (BLOCK_PROFILER): Delete.
24894 (MCOUNT_FUNCTION): New.
24896 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
24898 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
24900 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24902 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24905 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24908 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24911 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24914 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
24916 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
24919 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
24921 * i386/djgpp.h (LIB_SPEC): New.
24922 (STARTFILE_SPEC): New.
24924 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
24926 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
24928 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
24931 * system.h (WSTOPSIG): New macro.
24933 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
24935 * c-pragma.c (push_alignment): Don't ignore alignments greater than
24937 (insert_pack_attributes): Take into account member natural
24940 * i386/winnt.c (exports_head): New static variable.
24941 (i386_pe_record_exported_symbol): New function.
24942 (i386_pe_asm_file_end): Use.
24943 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
24944 symbols to be emitted at end of assembly.
24945 (ASM_DECLARE_OBJECT_NAME): Likewise.
24946 (ASM_DECLARE_FUNCTION_NAME): Likewise.
24948 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
24951 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
24953 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
24956 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
24958 * haifa-sched.c (sched_analyze_1): Use free_list instead of
24959 zapping reg_last_uses directly.
24960 (sched_analyze_2, sched_analyze_insn): Likewise.
24961 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
24963 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
24965 * rs6000.md (movdf_hardfloat32): Use worst case insn length
24966 attributes for cases 1 and 2.
24968 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
24970 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
24973 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
24975 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
24977 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
24979 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
24980 PIC_OFFSET_TABLE_REGNUM for general alloaction.
24981 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
24982 must be stacked if it is used for PIC accesses.
24983 * arm.c (use_return_insn): Handle PIC register specially.
24984 (output_return_instruction): Likewise.
24985 (output_func_{prologue,epilogue}): Likewise.
24986 (output_expand_prologue): Likewise.
24988 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
24989 (*strsi_predec): Renamed from *strqi_predec.
24990 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
24991 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
24993 * arm.c (arm_override_options): Remove warning about PIC code
24994 not being supported.
24996 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
24998 * rs6000.c (find_addr_reg): New function.
24999 * rs6000.h (find_addr_reg): Declare.
25000 (offsettable_addr_operand): Delete.
25001 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25002 from and stores to GPRs.
25004 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25006 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25007 gen_sequence as argument to emit_no_conflict_block.
25009 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25011 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25012 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25013 *fixinc/fixincl.x: regen
25014 *fixinc/inclhack.sh: regen
25016 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25018 * added support for -mpcrel (PC relative addressing for m68k)
25019 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25020 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25021 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25022 (comments for general_src_operand): Add some explanation
25023 about EXTRA_CONSTRAINTS.
25024 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25025 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25026 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25027 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25028 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25029 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25030 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25031 if not already set.
25032 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25033 * m68k.h (TARGET_PCREL): New target flag.
25034 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25035 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25036 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25037 contains a SYMBOL_REF. Relax this constraint during reload, since
25038 we want to use the predicates, not reload's built-in concept of a
25039 valid memory address, to control what insns need reloading.
25040 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25041 operands (essentially 'g', 'm', and 's' under normal circumstances).
25042 * m68k.c (print_operand): Cause printing of pc-relative addresses
25043 to include pc register.
25044 (print_operand_address): Ditto.
25045 (general_src_operand): Accept operands that are not only
25046 general_operands, but are also valid when used as a pc-relative
25048 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25049 (memory_src_operand): Similar, for memory_operands.
25050 (pcrel_address): New predicate to accept the special case of a
25051 pc-relative address.
25052 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25053 QImode insns to accept *_src_operand instead of *_operand where
25054 pc-relative operands can fit. For example, a pc-relative operand
25055 can be used as a memory source operand for addsi3, but not as a
25056 memory destination.
25057 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25059 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25061 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25062 .thumb_set pseudo op to mark aliases of thumb functions.
25064 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25066 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25067 preference to ASM_OUTPUT_DEF, if it is defined.
25069 * tm.texi: Document new, optional target macro
25070 ASM_OUTPUT_DEF_FROM_DECLS.
25072 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25074 * fixincludes: ISCNTL patch
25075 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25076 (dgux_int_varargs): new for DG/UX
25077 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25079 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25081 * invoke.texi (ia32 options): Fix typo.
25083 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25085 * loop.c (strength_reduce): When doing biv->giv conversion, update
25086 reg note of NEXT->insn.
25088 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25090 * loop.c (move_movables): Note issues with replacing REGs with
25092 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25094 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25096 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25098 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25099 the reference to `mcount' was not correct for the ELF on FreeBSD.
25101 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25103 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25106 (recombine_givs): Set ix field after sorting.
25108 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25110 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25111 to safe to extract a subword out of a REG.
25113 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25115 * sh.md (mulsi3): Don't add a no-op move at the end.
25117 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25119 * cse.c (cse_insn): Don't put hard register source into tables for
25120 the last insn of a libcall.
25122 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25124 * loop.c (strength_reduce): Insert sets of derived givs at every
25125 biv increment, even if it's the only one.
25127 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25129 * dwarfout.c (add_incomplete_type): New fn.
25130 (output_type): Call it.
25131 (retry_incomplete_types): New fn.
25132 (dwarfout_finish): Call it.
25134 From Eric Raskin <ehr@listworks.com>:
25135 (output_type): Output types for bases.
25137 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25139 * mips.c (mips_output_conditional_branch): Add `break'
25140 between `default' label and `close braces'.
25142 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25144 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25145 specifications and make it realistic.
25146 (LIB_SPEC): Likewise.
25148 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25150 * config/mips/mips.c (mips_secondary_reload_class): Check for
25151 (PLUS (SP) (REG)) and return appropriate register class.
25152 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25153 Handle (PLUS (SP) (REG)).
25154 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25155 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25156 of emit_insn for tablejump.
25158 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25160 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25161 asm_fprintf format string by itself.
25162 (output_function_profiler): Likewise.
25164 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25166 * combine.c (simplify_logical, case AND): Only call
25167 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25168 or the constant is positive.
25170 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25172 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25173 * configure: Regenerate.
25175 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25177 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25178 require a sub-version #.
25179 * configure: Rebuilt.
25181 1999-06-14 Robert Lipe (robertlipe@usa.net)
25183 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25185 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25187 * c-typeck.c (process_init_element): Detect excess elements in
25188 char array initializer.
25190 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25192 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25194 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25196 * invoke.texi (Option Summary): Add -fpermissive flag.
25198 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25200 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25201 that require PIC code sequences.
25203 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25205 * configure.in: Add new target: thumb-elf.
25206 * configure: Regenerate.
25207 * config/arm/t-thumb-elf: New file: Makefile fragment for
25209 * config/arm/telf.h: New file: Header file for thumb-elf
25212 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25214 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25215 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25216 initializers is some circumstances.
25218 * fixinc/inclhack.def (endif_label): Add additional selector for
25219 more bogus stuff after #endif statements.
25220 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25222 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25224 * i386/cygwin.h (SET_ASM_OP): Define.
25226 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25228 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25230 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25232 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25235 * sh.md (ic_invalidate_line_i): Remove second alternative.
25237 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25239 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25240 test for the presence of valid prototypes. Delete bypass expr.
25241 (ioctl_fix_ctrl): Correct the selection expression.
25242 (no_double_slash): Correct quoting rules
25243 *fixinc/fixincl.x: regen
25244 *fixinc/inclhack.sh: regen
25246 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25248 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25250 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25252 * rs6000.md (movsi_got_internal_mem): Delete.
25253 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25254 (GOT_TOC_REGNUM): Delete.
25255 (PIC_OFFSET_TABLE_REGNUM): Define.
25256 (FINALIZE_PIC): Disable.
25257 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25258 (rs6000_replace_regno): Delete.
25259 (rs6000_finalize_pic): Likewise.
25260 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25262 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25264 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25265 is a note; use <= for the compare; advance P while it is
25268 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25270 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25271 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25273 * varasm.c (remove_from_pending_weak_list): Verify t->name
25274 is non-NULL before passing it to strcmp.
25276 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25278 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25279 the typed arguments are not part of a comment
25280 (ioctl_fix_ctrl): Added a purpose comment
25281 *fixinc/fixincl.x: regenerate
25282 *fixinc/inclhack.sh: regenerate
25284 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25286 * invoke.texi: Add C4x invocation docs.
25288 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25290 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25292 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25294 (c4x_legitimize_reload_address): New function.
25295 * config/c4x/c4x.md: Update docs.
25297 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25299 * fixincludes: Avoid removing '.'.
25300 * fixinc/fixinc.svr4: Likewise.
25301 * fixinc/fixinc.winnt: Likewise.
25302 * fixinc/inclhack.tpl: Likewise.
25303 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25305 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25307 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25309 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25311 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25313 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25316 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25318 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25319 * configure: Regenerate.
25321 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25323 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25326 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25328 * fixinc/inclhack.def (avoid_bool): Also catch
25329 "typedef [unsigned] int bool".
25330 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25332 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25333 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25334 * configure: Rebuilt.
25336 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25338 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25339 such that we can override its definitions if necessary.
25340 (CPP_SPEC): New define. Support processor specific predefines via
25342 (CC1_SPEC): New define. Support processor specific compiler
25343 options via %(cc1_cpu).
25344 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25347 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25349 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25350 between sed's -e flag, and the open-quote following it.
25351 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25353 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25354 Jeffrey A Law (law@cygnus.com)
25356 * varasm.c (assemble_start_function): Remove the function
25357 from the pending weak decls list when we define a function.
25358 (assemble_variable): Similarly for variables.
25359 (weak_finish): Ignore items on the list with a NULL name.
25360 (remove_from_ending_weak_list); New function to "remove" an item
25361 from the pending weak declarations list.
25363 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25365 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25367 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25369 * c-lex.c (GETC): Redefine to call getch.
25370 (UNGETC): Redefine to call put_back.
25371 (putback_buffer): New structure type.
25372 (putback): New static structure.
25373 (getch): New function.
25374 (put_back): New function.
25375 (yylex): Replace unused bytes from bad multibyte character.
25377 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25379 * cpplib.c (do_define): Cast `alloca' return value.
25380 (do_include, do_undef, do_pragma): Likewise.
25381 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25383 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25384 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25386 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25388 * sparc.md (abstf2): This should be an expand.
25389 (split after abstf2_notv9): Fix mode.
25390 (abstf2_hq_v9): New pattern.
25391 (abstf2_v9): Only use when no hard quad.
25392 (absdf2_v9): Fix if target is not the same as source.
25393 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25394 Add correct output constraints.
25396 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25398 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25399 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25401 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25403 * mips.h (mips_output_conditional_branch): New function.
25404 (mips_adjust_insn_length): Likewise.
25405 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25406 (ADJUST_INSN_LENGTH): Likewise.
25407 * mips.c (print_operand): Add `F' and `W' for floating-point
25408 comparison opcodes.
25409 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25411 (mips_adjust_insn_length): New function.
25412 (mips_output_conditional_branch): New function.
25413 * mips.md (length): Adjust attribute definition to handle
25414 conditional branches. Change lengths to bytes, rather than
25415 instructions throughout. Remove length attribute from
25416 instructions whose length is four bytes, and rely on the default
25418 (dslot): Fix typo in comment.
25419 Reword conditional branch patterns to use
25420 mips_output_conditional_branch.
25422 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25424 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25425 (LIB_SPEC): Likewise.
25426 Link with -lprof1_r for -g/-pg.
25428 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25430 * loop.c (check_dbra_loop): Fix change of Jan 19.
25432 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25434 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25435 (STARTFILE_SPEC): Define, override the svr4.h version.
25436 (ENDFILE_SPEC): Likewise.
25438 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25440 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25441 * fixinc/fixincl.x: Regenerated.
25442 * fixinc/inclhack.sh: Regenerated.
25444 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25446 * sh.c (barrier_align): Don't return early for normal branch/barrier
25447 when optimizing for SH2.
25449 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25451 * i386/udk.h (LINK_SPEC): Correct linker search path for
25454 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25456 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25457 (braf_label_ref_operand): Delete.
25458 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25459 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25460 label_ref, and has no predicate.
25461 The patten has a predicate to guard against invalid substitutions.
25462 (dummy_jump): Delete.
25463 (casesi): Update use of casesi_jump_2.
25465 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25467 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25468 *fixinc/fixincl.x: regenerate
25469 *fixinc/inclhack.sh: regenerate
25471 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25473 * dwarf2out.c (add_incomplete_type): New fn.
25474 (gen_struct_or_union_type_die): Call it.
25475 (retry_incomplete_types): New fn.
25476 (dwarf2out_finish): Call it.
25478 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25480 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25481 current block starts with a CODE_LABEL and ends with a CALL and
25482 we can not find all the argument setup instructions for the CALL.
25484 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25486 Revert this change:
25487 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25488 something is a candidate for optimize_bit_field_compare.
25490 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25492 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25494 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25496 * alpha.c (override_options): Thinko in last patch.
25498 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25499 (LIB_SPEC): Recognize -pthread.
25501 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25503 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25504 definition in config/arm/coff.h
25505 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25507 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25509 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25510 fixes that need "file=xxx\n" prepended before invocation
25511 (start_fixer - new): starting the fixer process is complex enough
25512 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25513 (process): uses the new routine; omit usage of putenv()
25514 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25515 * fixinc/fixincl.x: regenerate
25517 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
25519 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
25520 and version #s (1.1 -> 2.96) as needed.
25521 * README.g77: Kill way out of date file in the toplevel directory.
25523 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
25525 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
25526 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
25527 * configure: Rebuilt.
25528 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
25529 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
25530 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
25531 (SWITCH_TAKES_ARG): Likewise.
25532 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
25533 * config/t-freebsd: Moved from config/i386/ so it can used for all
25536 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
25538 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
25540 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
25542 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
25543 * configure: Rebuilt.
25545 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
25547 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
25548 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
25549 * rs6000/rs6000.c (rs6000_file_start): Use putc.
25550 (rs6000_output_load_toc_table): Same.
25551 (output_prolog, output_mi_thunk): Same.
25552 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
25553 (ASM_GLOBALIZE_LABEL): Use putc.
25555 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
25557 * alpha.md (reload_*_help): New patterns and splitters.
25558 (reload_*): Use them.
25559 (mov[qh]i): Likewise.
25561 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
25563 * cccp.c (handle_directive): Handle backslash-newlines in quoted
25566 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
25568 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
25570 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
25572 * flow.c (mark_regs_live_at_end, insn_dead_p,
25573 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
25574 and HARD_FRAME_POINTER_REGNUM special treatment if reload
25575 hasn't run or the frame pointer is needed.
25576 * haifa-sched.c (attach_deaths): Likewise.
25577 * sched.c (attach_deaths): Likewise.
25579 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
25581 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
25582 calculate_can_reach_end returns nonzero.
25584 * configure.in (native gas tests): Search for an assembler in the
25585 same manner that the installed compiler will.
25586 * configure: Rebuilt.
25587 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
25589 * alias.c (find_base_term): Improve handling of addresses
25590 constructed from binary operations.
25592 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
25594 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
25596 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
25598 * function.h (cleanup_label, frame_offset): Declare.
25599 (tail_recursion_label, tail_recursion_reentry): Likewise.
25600 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25601 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
25602 (tail_recursion_label, tail_recursion_reentry): Likewise.
25603 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25605 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
25607 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
25609 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
25610 (MAX_OFILE_ALIGNMENT): Define.
25612 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
25614 * fixincl.c: Replace local include scheme with #includes of
25615 gansidecl.h and system.h.
25616 * procopen.c: Likewise.
25617 * server.c: Likewise.
25619 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
25621 * i386/t-dgux (EXTRA_PARTS): Add crti.o
25622 (crti.o): Add build rule and dependencies.
25623 * fixinc/fixinc.dgux: Use modified _int_varargs.h
25625 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25627 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
25628 (LIB_LINUX_SPEC): Likewise.
25629 (LIB_LINUX_SPEC): Add support for -pthread
25630 (CPP_OS_LINUX_SPEC): Likewise.
25631 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
25634 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
25636 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
25638 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
25639 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
25640 for IEEE math and CC_FCOMI.
25641 (put_jump_code): No IEEE if CC_FCOMI is set.
25643 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25645 * fold-const.c (fold_truthop): Make the field reference unsigned
25646 when converting a single bit compare.
25648 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25650 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
25652 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
25654 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
25655 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
25658 * reload.c (push_reload): Do not call remove_address_replacements
25659 when presented with identical optional reloads.
25661 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
25663 * alpha.h (MASK_FIX, TARGET_FIX): New.
25664 (MASK_*): Reorganize constants.
25665 (CPP_AM_FIX_SPEC): New.
25666 (TARGET_SWITCHES): Add FIX.
25667 (EXTRA_SPECS): Likewise.
25668 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
25669 (SECONDARY_MEMORY_NEEDED): Likewise.
25670 (REGISTER_MOVE_COST): Likewise.
25671 * alpha.c (override_options): Add FIX support. Always use
25672 ALPHA_TP_PROG for ev6.
25673 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
25674 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
25675 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
25677 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
25679 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25680 something is a candidate for optimize_bit_field_compare.
25682 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
25684 * gcc.texi (Passes): Document branch-shortening.
25685 * invoke.texi (Debugging Options): Document the fact that `-dp'
25686 outputs length information for instructions.
25688 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
25690 * flow.c: Revert previous delta.
25692 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
25694 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
25695 FRAME_POINTER_REGNUM.
25696 (mark_set_1): Ditto.
25697 (mark_used_regs): Ditto.
25699 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
25701 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
25702 (GOT_PCREL): New macro. Define to 1 if not already defined.
25703 * arm/elf.h (GOT_PCREL): Define to 0.
25704 * arm.c (arm_finalize_pic): Take into account the setting of
25707 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
25709 * output.h (STRIP_NAME_ENCODING): Provide default definition.
25710 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
25712 * flow.c (mark_set_1): Do not record BLKmode stores as dead
25713 store elimination candidates.
25715 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
25717 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
25720 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
25722 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
25723 Add use of x-aix41-gld.
25725 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
25727 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
25728 (ASM_OUTPUT_DESTRUCTOR): Define.
25730 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
25732 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
25733 last CODE_LABEL in a loop if we have previously passed a jump
25734 to the top of the loop.
25736 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
25738 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
25739 applying Philip's patch.
25741 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
25743 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
25746 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
25748 * loop.c (strength_reduce): Grow reg_single_usage as needed.
25750 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
25752 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
25753 Also remove a useless comment.
25755 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25757 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
25759 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
25761 * collect2.c (main): Only generate import or export file and add
25762 to link arguments if non-empty. Use xmalloc not alloca.
25763 (write_{export,import}_file): Delete.
25764 (write_aix_file): New function.
25765 (locatelib): Use xmalloc not malloc.
25766 (GCC_OK_SYMBOL): Do not check type if aix64.
25768 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
25770 Based on patch by Scott Bambrough and Pat Beirne:
25771 * config/arm/arm.c (making_const_table): New variable.
25772 * config/arm/arm.h (making_const_table): Declare.
25773 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
25775 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
25776 Keep track of when we are building the constant table.
25778 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
25780 * config/arm/arm.c (arm_override_options): Fix erroneous warning
25783 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
25785 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
25788 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
25790 * tm.texi (FUNCTION_ARG): Correct description of a stack element
25793 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
25795 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
25797 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25799 * rs6000.c (output_mi_thunk): Enable full support again.
25801 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25803 * sh.h (BRANCH_COST): Define.
25805 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
25807 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
25809 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
25811 * function.c (assign_stack_local): Align stack slot propertly.
25812 (assign_outer_stack_local): Likewise.
25814 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
25816 * expr.h (lang_expand_constant): Declare.
25817 * toplev.c (lang_expand_constant): Define it.
25818 * varasm.c (output_constant): Use it.
25820 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25822 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
25823 Change function definitions to K&R style.
25825 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25827 * fixinc/fixincl.c: We must not ignore SIGCLD now.
25829 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
25831 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
25832 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
25833 (several places): omit static initialization
25834 (process): use single fd, since only the read fd is used
25835 * fixinc/gnu-regex.c: define 'const' away, if not supported
25836 * fixinc/procopen.c(several places): omit static initialization
25837 * fixinc/server.c: define 'volitile' away, if not supported
25839 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25841 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
25842 asm_fprintf and %L to generate the label name.
25843 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
25844 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
25846 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
25848 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
25849 insn for a conditional jump can not be found.
25851 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
25853 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
25854 on variables in specific sections other than .sbss and .sdata.
25856 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
25858 * stmt.c (expand_return): Call start_cleanup_deferral and
25859 end_cleanup_deferral around conditional code.
25861 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25863 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
25864 filename lists. Utilizes new "krstr" AutoGen function.
25865 * fixinc/fixincl.x: Rebuilt.
25867 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
25869 * i386.c (output_float_compare): Avoid GNU-C extensions.
25871 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
25873 * version.c: Bump to distinguish mainline tree from the
25876 See ChangeLog.1 for earlier changes.