1 2000-04-26 Richard Henderson <rth@cygnus.com>
3 * flow.c (allocate_reg_life_data): Set max_regno here ...
4 (life_analysis): ... not here.
6 2000-04-26 Richard Henderson <rth@cygnus.com>
8 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
9 commit change group changes.
10 (invert_exp_1): Similarly.
11 (redirect_exp, invert_exp): Use them.
12 (redirect_jump_1): New.
14 (jump_optimize_1): Remove code subsumed by condexec.c.
15 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
17 2000-04-26 Richard Henderson <rth@cygnus.com>
19 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
21 * genconfig.c (main): Set all HAVE_foo to 1.
23 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
25 2000-04-26 Alex Samuel <samuel@codesourcery.com>
27 * invoke.texi: Document -fssa flag.
29 2000-04-26 Richard Henderson <rth@cygnus.com>
31 * flow.c (count_reg_sets_1): Remove.
32 (count_reg_sets, count_reg_references): Remove.
33 (recompute_reg_usage): Implement with update_life_info.
36 2000-04-26 Richard Henderson <rth@cygnus.com>
38 * flow.c (update_life_info): Consider blocks null to mean the
40 (calculate_global_regs_live): Likewise.
41 (life_analysis): Do that instead of collecting all_blocks.
43 2000-04-26 Richard Henderson <rth@cygnus.com>
45 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
46 a still-valid conditional jump.
48 2000-04-26 Richard Henderson <rth@cygnus.com>
50 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
52 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
53 * flow.c (calculate_loop_depth): Remove.
54 * output.h (calculate_loop_depth): Don't declare.
55 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
56 inline; run estimate_probability at the same time.
58 2000-04-26 Neil Booth <NeilB@earthling.net>
60 * cpplib.h: "~=" is not a single pp-token.
61 * cpplex.c: Correct commentary.
63 2000-04-26 Richard Henderson <rth@cygnus.com>
65 * flow.c (mark_set_1): New arguments code and flags; update all
66 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
67 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
68 loop_depth when optimizing for size. Do new_dead update after
69 emitting REG_UNUSED notes. Merge mark_set_reg code.
70 (mark_set_reg): Remove.
71 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
72 arrange to not emit REG_UNUSED notes.
74 2000-04-26 Richard Henderson <rth@cygnus.com>
76 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
77 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
79 2000-04-26 Richard Henderson <rth@cygnus.com>
81 * flow.c (propagate_one_insn): Break out from propagate_block.
82 (init_propagate_block_info): Likewise.
83 (free_propagate_block_info): Likewise.
84 (propagate_block): Use them. Export.
85 * basic-block.h: Declare them all.
87 2000-04-26 Richard Henderson <rth@cygnus.com>
89 * basic-block.h (life_analysis): Declare here ...
90 * output.h: ... not here.
91 * flow.c (life_analysis): Remove nregs parameter; replace
92 remove_dead_code with flags. Remove ssa dead code check.
93 Only init alias analysis if we'll use it.
94 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
95 * ssa.c (convert_to_ssa): Likewise.
96 (convert_from_ssa): Likewise.
97 * toplev.c (rest_of_compilation): Likewise.
99 2000-04-26 Richard Henderson <rth@cygnus.com>
101 * flow.c (flow_delete_block): Rename from delete_block. Export.
102 * basic-block.h (flow_delete_block): Declare.
104 2000-04-26 David S. Miller <davem@redhat.com>
106 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
107 taking a PATTERN of it.
109 2000-04-26 <NeilB@earthling.net>
111 * cpplex.c (spell_other, spell_char): Remove.
113 (token_spelling, trigraph_map): Use unsigned chars.
114 (_cpp_lex_line): Tidy up the switch statement.
115 * cpplib.h: Implement spell_char with spell_string.
118 2000-04-26 <RodneyBrown@pmsc.com>
120 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
121 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
123 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
125 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
126 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
127 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
128 dwarf2out_return_save, dwarf2out_return_reg,
129 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
130 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
131 gen_compile_unit_die, dwarf2out_init): Constify a char*.
133 * dwarf2out.h (dwarf2out_init): Likewise.
135 * dwarfout.c (filename_entry, primary_filename, last_filename,
136 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
138 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
139 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
140 dwarf2out_return_reg): Likewise.
142 2000-04-26 Andreas Jaeger <aj@suse.de>
144 * extend.texi (Function Attributes): Fix description of pure
147 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
149 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
150 before calling rest_of_compilation.
152 2000-04-26 Andreas Jaeger <aj@suse.de>
154 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
157 2000-04-25 Richard Henderson <rth@cygnus.com>
159 * cse.c (cse_insn): Emit barrier after unconditional jump.
161 * calls.c (expand_call): Disable tail call generation once
162 rtx_equal_function_value_matters is false.
164 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
167 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
169 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
171 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
173 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
174 is the primary DIE for a member function.
175 (gen_decl_die): Call set_decl_origin_self here.
176 * dwarfout.c (output_decl): And here.
177 * integrate.c (output_inline_function): Not here.
178 Don't clear DECL_INLINE until after calling rest_of_compilation.
179 (set_decl_origin_self): No longer static.
180 * tree.h: Add prototype.
181 * toplev.c (note_deferral_of_defined_inline_function): Only write
182 out abstract instance for actual inlines.
184 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
186 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
187 EXTENDED_REGS only if TARGET_AM33.
188 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
189 SP_REGS to register allocation and reloading unless absolutely
191 (movsi3): Remove special-case of adding non-constants to SP.
193 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
195 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
196 INCLUDES to search and does not provide any of its own. Also it
197 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
198 parameters. Also it does not call AC_DEFINE.
199 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
200 AC_DEFINE and provides for automatic entries for autoheader.
201 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
203 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
204 so we can pass -I flags and include gansidecl.h/system.h in this
207 * acconfig.h: Delete all NEED_DECLARATION_* entries.
209 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
211 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
212 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
213 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
215 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
216 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
217 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
218 for these macros. Clean up spacing and linewraps.
220 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
222 * calls.c (expand_call): Use get_callee_fndecl.
224 * print-tree.c (print_node): Print the chain of an _EXPR.
226 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
227 Jim Wilson <wilson@cygnus.com>
228 Andrew Haley <aph@cygnus.com>
230 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
231 and gp save/restore problems.
232 * config/ia64/crtend.asm: Add IA-64 unwind support.
233 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
234 in fr_pad_size calculation.
235 (save_restore_insns): Move PR save area. Correct uses of
237 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
238 (ia64_expand_epilogue): Add eh_epilogue support.
239 (ia64_function_prologue): Emit .prologue directive.
240 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
241 (ia64_override_options): Set init_machine_status and
243 (rtx_needs_barrier): Handle bsp reads and writes.
244 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
245 New static variables.
246 (process_set, process_for_unwind_directive): New functions.
247 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
248 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
249 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
251 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
252 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
253 (struct machine_function): Define.
254 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
256 2000-04-25 Bruce Korb <bkorb@gnu.org>
258 * fixinc/Makefile.in: make the removal of old programs more
260 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
261 install-bin and install-sh
263 2000-04-25 Nick Clifton <nickc@cygnus.com>
265 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
266 defined, define to return zero.
267 (function_cannot_inline_p): If a function has any target
268 specific attributes, then use the macro
269 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
270 whether it can be inlined. If it cannot, issue a suitable
273 * tm.texi: Add a new node 'Inlining' to document the new macro
274 FUNCTION_ATTRIBUTE_INLINABLE_P.
276 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
278 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
281 2000-04-25 Neil Booth <NeilB@earthling.net>
283 Restore previous patch, plus the following fixes:
285 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
286 flags, not CPP_OPEN_PAREN.
287 * cpplex.c (expand_token_space, init_token_list,
288 cpp_free_token_list): Put the dummy token at list->tokens[-1].
289 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
291 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
293 * config/i386/freebsd.h (INT_ASM_OP): Define.
295 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
297 * loop.c (strength_reduce): Fix typo in the last checkin.
299 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
301 * stor-layout.c (finalize_record_size): Simplify to use existing
303 (compute_record_mode): No longer static.
304 * tree.h (compute_record_mode): New declaration.
306 2000-04-25 Neil Booth <NeilB@earthling.net>
308 * Revert my patch below until cause of build failures
311 2000-04-25 Richard Henderson <rth@cygnus.com>
313 * combine.c (combine_instructions): Add missing argument
316 * toplev.c (rest_of_compilation): Delay sibcall optimization
317 until after emit_eh_context.
319 2000-04-24 Nick Clifton <nickc@redhat.com>
321 * combine.c (combine_instructions): Do not try to combine a
322 sequence of insns when the second insn has been replaced by a
325 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
327 * gcc.c (load_specs): New static function.
328 (read_specs): Use it.
330 * gcc.c (lookup_compiler): Make multiple passes for case
331 insensitive filesystems.
333 2000-04-24 Neil Booth <NeilB@earthling.net>
335 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
336 * cpphash.h (_cpp_check_directive): new.
337 * cpplex.c (handle_newline, cpp_free_token_list,
338 init_trigraph_map, trigraph_ok, trigraph_replace,
339 backslash_start, skip_block_comment, skip_line_comment,
340 skip_whitespace, parse_name, parse_number, parse_string,
341 copy_comment, _cpp_lex_line, spell_char, spell_string,
342 spell_comment, spell_name, spell_other, _cpp_lex_file,
343 _cpp_output_list): new.
344 (expand_name_space): take length argument.
345 (init_token_list): add comment list initialisation.
346 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
347 instead of HSPACE_BEFORE.
349 * cpplib.c (_cpp_check_directive): new
350 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
351 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
352 (HSPACE_BEFORE): delete.
353 (TTYPE_TABLE): rearrange.
354 (struct cpp_toklist): update.
356 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
358 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
359 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
360 argument form of AC_DEFINE.
362 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
363 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
364 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
365 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
366 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
368 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
370 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
372 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
373 deduced.h): Use -isystem, not -I, for including system headers.
375 2000-04-24 Nick Clifton <nickc@cygnus.com>
377 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
378 the source register is the frame pointer or arg pointer.
379 (addsi3_small_int): Disallow if source register is the frame
380 pointer or arg pointer.
382 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
384 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
385 call to AC_MSG_RESULT.
387 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
389 * invoke.texi: Correct grammatical errors, document
390 -fno-gnu-keywords as identical to -fno-asm for C++.
392 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
394 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
395 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
396 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
397 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
398 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
400 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
401 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
402 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
403 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
406 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
408 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
409 (pop_alignment): Likewise.
410 (handle_pragma_token): Likewise.
412 2000-04-24 Robert Lipe <robertlipe@usa.net>
414 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
416 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
418 * combine.c (try_combine): Update reg_nonzero_bits of
419 newi2pat before newpat.
421 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
423 * loop.c (strength_reduce): Simplify test to INSN_P.
424 (record_giv): Attempt to simplify the add value, use CONSTANT_P
425 expressions instead of CONST_INT.
426 (express_from_1): Likewise.
428 2000-04-24 Mark Mitchell <mark@codesourcery.com>
430 * regs.h (reg_n_max): Don't declare.
431 * flow.c (reg_n_max): Don't define.
432 * regclass.c (renumber): Don't initialize to zero.
433 (regno_allocated): Likewise.
435 (allocate_reg_info): Don't initialize unnecessarily.
437 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
439 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
440 and blockage_p in the newly allocated attribute.
442 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
444 * config/mn10300/mn10300.md (addsi): `inc4' on address
445 registers does not modify cc, but `inc' on an extended
448 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
450 * reload.c (find_equiv_reg): Checks all valueno regs
451 as a reload_reg_p regs.
453 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
455 * cpphash.c (collect_objlike_expansion): Add sanity check.
456 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
457 the buffer is the empty string, return. Mark __DATE__ and
458 __TIME__ as XCONST nodes, not MCONST.
459 (_cpp_macroexpand): Avoid pushing an empty buffer.
460 (funlike_macroexpand): Don't pop token_buffer here.
462 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
464 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
465 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
466 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
467 (REGNO_OK_FOR_BASE_P): Define in terms of them.
468 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
469 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
470 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
472 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
474 * loop.c (simplify_giv_expr): Be more agressive on simplifying
477 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
479 * cpphash.h (struct definition): Move file, line, col members...
480 (struct hashnode): ... here. Also add 'disabled' flag.
481 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
482 T_IDENTITY. Remove T_DISABLED.
485 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
486 (collect_expansion): Split into collect_objlike_expansion and
487 collect_funlike_expansion.
488 (_cpp_macroexpand): Split out scan_arguments, stringify, and
490 (_cpp_compare_defs): Rename compare_defs, make static.
491 (_cpp_make_hashnode): Initialize hp->disabled.
492 (macro_cleanup): Adjust for new token types. Clear
494 (_cpp_create_definition): Move code here to determine what
495 sort of macro it is, and code to check for redefinitions, from
496 do_define. Implement a few simple cases without creating a
498 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
499 Handle the simple cases.
500 (push_macro_expansion): Set buf->has_escapes and hp->disabled
503 * cppinit.c (builtin_array): Change MCONST to XCONST
505 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
506 fix check for disabled and function-like macros.
507 * cpplib.c (do_define): Move most logic to
508 _cpp_create_definition.
509 (do_undef): Handle new special token types.
511 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
513 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
514 of CONSTANT_P for mult_val; always use validate_change to update insn.
516 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
518 * cpphash.c (trad_stringify, add_pat): New functions.
519 (collect_expansion): Restore support for -traditional syntax.
520 Use trad_stringify and add_pat.
521 (_cpp_macroexpand): Restore support for -traditional semantics.
522 * cpplex.c (_cpp_scan_line): Don't change space_before if we
524 (_cpp_lex_token): Provide COMMENT tokens to caller if
525 traditional and parsing_define_directive.
526 (skip_comment): Warn about // comments if -Wtraditional.
527 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
529 (do_undef): Don't warn about undefining EMPTY nodes.
531 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
533 * loop.c (strength_reduce): Fix biv removal code.
535 2000-04-22 Richard Henderson <rth@cygnus.com>
537 * predict.c (estimate_probability): Examine both sides of
538 a branch for no exits. Use 90% not 50% for predict taken.
539 Reorg for one copy of note generation code.
541 2000-04-22 Richard Henderson <rth@cygnus.com>
543 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
545 2000-04-22 Richard Henderson <rth@cygnus.com>
547 * diagnostic.c (init_output_buffer): Don't initialize format_args.
548 (output_clear): Likewise.
549 (output_printf): Use va_copy.
550 (vline_wrapper_message_with_location): Likewise.
551 (v_message_with_decl): Likewise.
552 (line_wrapper_printf): VA_START infor buffer.format_args directly.
553 * system.h (va_copy): Provide default implementation.
555 2000-04-22 Richard Henderson <rth@cygnus.com>
557 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
558 the collected condition is not a constant.
560 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
562 * diagnostic.h: New file.
564 * Makefile.in (diagnostic.o): Depends on diagnostic.h
566 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
567 various function prototypes.
568 (diagnostic.h): #include.
569 (struct output_buffer): Move into diagnostic.h.
570 (get_output_prefix): Rename to output_get_prefix. Export.
571 (init_output_buffer): Export. Break out. Ajust intialization.
572 (output_space_left, output_append): Export.
573 (output_newline): Rename to output_add_newline. Export.
574 (output_clear): Nullify additional output_buffer fields.
575 (output_puts): Rename to output_add_string. Export.
576 (dump_output): Rename to output_flush_on. Export.
577 (build_location_prefix): Constify return-type.
578 (emit_output_prefix): Rename to output_emit_prefix. Export.
579 (set_real_maximum_length): New function.
580 (output_set_maximum_length): Ditto
581 (output_clear): Ditto.
582 (output_add_character): Ditto.
583 (output_add_integer): Ditto.
584 (output_add_space): Ditto.
585 (output_format): Ditto.
586 (output_printf): Adjust buffer initialization.
587 (vline_wrapper_message_with_location): Ditto.
588 (v_message_with_decl): Ditto. Adjust call to output_puts
589 and get_output_prefix.
590 (default_print_error_function): Adjust buffer intialization.
592 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
594 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
597 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
599 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
602 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
604 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
605 accurate data about SP moves.
607 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
609 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
610 aliases to AM33 registers.
612 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
614 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
615 to all EXTENDED bitmaps.
617 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
619 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
620 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
621 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
623 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
625 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
626 the operand is not constant.
628 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
630 * reload.c (find_equiv_reg): Checks all valueno and regno regs
631 as a call-clobbered regs.
633 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
635 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
637 * rtl.def: Update comment.
638 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
639 * integrate.c (expand_inline_function): Likewise.
640 * profile.c (branch_prob): Likewise.
641 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
642 * print-rtl.c (print_rtx): Likewise.
643 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
644 (reemit_notes): Likewise; also use enum insn_note.
646 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
647 (place_field): Properly compute know and actual alignment.
649 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
652 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
655 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
657 * cpphash.c (struct arg, struct arglist): Const-ify strings.
658 (warn_trad_stringify, duplicate_arg_p): New helper functions.
659 (collect_expansion): Rewrite to scan over a token list.
660 Remove -traditional support.
661 (collect_formal_parameters): Rename to collect_params; rewrite
662 to scan over a token list.
663 (_cpp_create_definition): Adjust to scan a token list.
664 (_cpp_macroexpand): Remove -traditional support.
665 (_cpp_compare_defs): Whitespace is now canonicalized.
666 (comp_def_part): Delete function.
668 * cpphash.h: Update prototypes.
669 * cpplex.c (init_token_list): Don't set lineno if there is no
671 (pedantic_whitespace): New function.
672 (_cpp_scan_line): Mark tokens that had hspace before. Don't
673 consume a newline. Use pedantic_whitespace.
674 (_cpp_lex_token): Remove support for -traditional macros.
675 (_cpp_get_define_token): Delete.
676 (_cpp_get_directive_token): Do the real work here. Use
678 (_cpp_init_input_buffer): Initialize pfile->directbuf.
680 * cpplib.c (get_macro_name): Delete.
681 (do_define): Read the entire line into pfile->directbuf, then
682 feed the token list to _cpp_create_definition.
683 * cpplib.h (HSPACE_BEFORE): new define.
684 (struct cpp_reader): Add a toklist member, "directbuf".
686 * predict.c (estimate_probability): New heuristic: if a jump
687 branches around a block with no successors, predict it taken.
688 Disentangle control flow.
690 2000-04-20 Richard Henderson <rth@cygnus.com>
692 * loop.c (emit_iv_add_mult): Revert last change.
694 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
696 * cpplib.h (enum cpp_ttype): Add token types for all
697 punctuators. Distinguish pp-numbers from valid C numbers.
698 Give some tokens better names. Initialize from macro.
699 (struct cpp_name, cpp_token, cpp_toklist): New data
702 * cpplex.c (bump_column, expand_name_space,
703 expand_token_space, init_token_list, cpp_output_list,
704 _cpp_scan_line): New functions.
705 (output_line_command): Add third argument, new line number.
706 * cpphash.h: Update prototypes.
707 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
710 2000-04-20 Richard Henderson <rth@cygnus.com>
712 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
714 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
716 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
719 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
721 * loop.c (emit_iv_add_mult): Simplify it's input and emit
722 REG_EQUAL note explaining the calculated value.
724 * calls.c (expand_call): Avoid unnecesary precalculation
725 and outgoing parameters space guarding for sibling calls.
726 (store_one_arg): Likewise.
728 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
730 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
731 (rest_of_compilation): Write sibling dump file and account
732 for time as jump time.
733 * invoke.texi: Update documentation on dump flags.
735 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
737 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
739 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
741 * cpphash.c (special_symbol): Represent an empty macro with
742 "\r \r " not just "\r ".
743 (_cpp_macroexpand): Correct condition for the foo ( ) special
745 (unsafe_chars): Handle EOF as second argument.
746 (push_macro_expansion): Simplify test for removing escape at
747 end. Do not trim both escapes if there is no text in between.
749 2000-04-19 Jim Blandy <jimb@redhat.com>
751 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
752 of PTR_SIZE, when appropriate.
754 2000-04-19 Mark Mitchell <mark@codesourcery.com>
756 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
757 (USE_ENUM_BITFIELDS): Fix typo.
759 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
761 * stor-layout.c (place_field): Set rli->offset_align properly.
763 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
765 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
766 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
767 PARM_BOUNDARY): Remove unnecessary casts.
769 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
771 * calls.c (precompute_arguments): Remove must_preallocate and
773 (expand_call): Update call of precompute_arguments.
775 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
776 check_insn_for_givs): Break out from ...
777 (strength_reduce) ... here; use for_every_insn_in_loop to call
779 * loop.h (for_every_insn_in_loop): Declare.
780 (loop_insn_callback): New type.
782 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
784 * cpplib.c (do_pragma_poison): Strings in the token buffer are
787 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
789 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
792 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
794 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
796 * configure.in: Delete --disable-cpplib option and all
797 references to cpp_main.
798 * configure: Regenerate.
799 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
800 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
801 cccp.o, cccp, or cppmain. Link cppmain.o straight to
802 cpp$(exeext). Add --no-headers to makeinfo command line when
803 generating INSTALL. Install and uninstall cpp.1 manpage, not
805 * install.texi: Delete all references to cexp.y/cexp.c.
806 Delete ancient instructions for compiling GCC on 3b1.
807 * INSTALL: Regenerate.
809 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
810 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
811 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
813 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
814 which is no longer tested anywhere.
816 * cppinit.c (handle_option): Don't run error message through
819 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
821 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
822 * cpperror.c (hashtab.h): Now include.
823 * cppexp.c (hashtab.h): Likewise.
824 * cpplex.c (hashtab.h): Likewise.
825 * cppfiles.c (hashtab.h): Likewise.
826 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
827 to htab_find_slot_with_hash.
828 * cpphash.c (hashtab.h): Now include.
829 (_cpp_lookup_slot): INSERT is now enum insert_option.
830 * cpphash.h (_cpp_lookup_slot): Likewise.
831 * cppinit.c (hashtab.h): Include earlier.
832 (initialize_builtins): Pass enum to htab_find_slot.
833 * cpplib.c (hashtab.h): Now include.
834 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
835 (do_pragma_poison, do_assert): Likewise.
836 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
837 htab_find_slot_with_hash.
838 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
839 * tree.c (type_hash_add): Likewise.
840 (build1): Minor cleanup.
842 * ggc-common.c: Add missing blanks.
843 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
844 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
846 * stmt.c (mark_case_node): New function.
847 (mark_case_nesting): Call it.
849 * expmed.c (emit_store_flag): If comparing two-word integer
850 with zero, can optimize NE, EQ, GE, and LT.
852 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
853 * conflict.c: Minor cleanups.
854 * optabs.c: Add blank line
855 * simplify-rtx.c: Minor cleanups.
857 2000-04-18 Stan Cox <scox@cygnus.com>
859 * gengenrtl.c (genlegend): Fix misspelling.
861 2000-04-18 Robert Lipe <robertlipe@usa.net>
863 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
864 bitfields of the host compiler are not signed quantities.
865 * config.in: Regenerate.
866 * configure: Regenerate.
867 * system.h (USE_ENUM_BITFIELDS): Added.
868 (ENUM_BITFIELDS): Added.
869 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
870 (SHORT_ENUM_BUG): Deleted.
871 * tree.h (tree_common): Members `code', `mode', `built_in_class',
873 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
874 (CODE_FIELD_BUG): Likewise.
875 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
877 * config/m68k/x-ccur (X_CFLAGS): Likewise.
879 2000-04-18 Mark Mitchell <mark@codesourcery.com>
881 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
884 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
886 * cppexp.c (lex): Don't assume tokens are NUL terminated.
887 * cpplib.c (do_include, do_import, do_include_next,
888 read_line_number, detect_if_not_defined): Likewise.
889 * cpphash.c (collect_expansion): Likewise.
890 (special_symbol, _cpp_macroexpand): Check return from
892 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
893 macros. Delete all uses.
895 * gcc.dg/cpp-mi.c: Add two more test cases.
896 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
898 2000-04-17 Richard Henderson <rth@cygnus.com>
900 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
901 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
903 2000-04-17 Mark Mitchell <mark@codesourcery.com>
905 * function.c (expand_function_start): Use hard_function_value to
906 compute the RTL to use for DECL_RESULT.
908 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
910 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
911 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
912 x86_memory_mismatch_stall): New global variables.
913 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
914 alloved; fix load penalties for Athlon.
915 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
916 x86_memory_mismatch_stall): Declare.
917 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
918 TARGET_MEMORY_MISMATCH_STALL): New.
919 * i386.md (athlon scheduling parameters): Fix latencies according to
920 Athlon Optimization Manual.
921 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
923 (fsqrt instruction patterns): Set athlon_decode to direct.
924 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
925 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
926 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
927 and TARGET_PARTIAL_REGISTER_STALL machines.
928 (pushdf_nointeger): New pattern.
929 (pushdf_integer): Rename from pushdf.
930 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
931 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
933 2000-04-17 Richard Henderson <rth@cygnus.com>
935 * loop.c (canonicalize_condition): Add WANT_REG argument.
936 Stop the search if we match it.
937 * expr.h (canonicalize_condition): Update decl.
938 * predict.c (expected_value_to_br_prob): Use it. Track last
940 (find_expected_value): Remove.
942 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
944 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
946 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
947 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
949 * configure.in: Call AC_FUNC_MMAP_FILE.
950 * configure: Regenerate.
951 * config.in: Regenerate.
953 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
954 * fixinc/fixincl.c: Likewise.
956 2000-04-17 Richard Henderson <rth@cygnus.com>
958 * builtins.c (expand_builtin_expect): New.
959 (expand_builtin): Call it.
960 * builtins.def (BUILT_IN_EXPECT): New.
961 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
962 * extend.texi: Document it.
964 * predict.c (expected_value_to_br_prob): New.
965 (find_expected_value): New.
966 * basic-block.h (expected_value_to_br_prob): Declare.
967 * toplev.c (rest_of_compilation): Invoke it.
969 * rtl.h (NOTE_EXPECTED_VALUE): New.
970 (NOTE_INSN_EXPECTED_VALUE): New.
971 * rtl.c (note_insn_name): Update.
972 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
973 cases; handle NOTE_INSN_EXPECTED_VALUE.
975 2000-04-17 Jakub Jelinek <jakub@redhat.com>
977 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
978 leaf sibcall delay slot if flag_pic.
979 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
981 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
983 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
985 * fixproto: If fix-header fails, exit with an error.
987 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
989 * cse.c (struct check_depdendence_data): New.
990 (check_dependence): New function.
991 (invalidate): Use check_depdenence.
993 2000-04-16 Mark Mitchell <mark@codesourcery.com>
995 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
996 UNITS_PER_WORD is unsigned.
998 * tree.h (struct tree_common): Remove misleading comment.
1000 2000-04-16 Dave Pitts <dpitts@cozx.com>
1002 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1003 message in quotes. Otherwise, IBM's make program treats the '#' as the
1004 start of a comment and ignores the remainder of the line.
1006 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1008 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1009 * cexp.y (initialize_random_junk): Likewise.
1010 * cppfiles.c (find_include_file): Cast alloca return value.
1011 * cppinit.c (initialize_standard_includes): Likewise.
1012 * cpplib.c (cpp_define, cpp_undef): Likewise.
1013 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1014 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1015 * fold-const.c (CHARMASK): New.
1016 (real_hex_to_f): Use it.
1017 * real.c (CHARMASK): New.
1018 (etoasc, asctoeg): Use it.
1019 (asctoeg): EBCDIC lower case characters preceed upper case.
1021 * i370.c (mvs_add_label): Change spacing for coding conventions.
1022 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1023 outputing case vectors.
1024 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1025 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1026 since vector in in the data CSECT.
1027 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1028 * i370.md (Many patterns): Put the length in the XL directives.
1029 (movdi): Put back STM and MVC in definition.
1030 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1031 pattern using the TCA.
1032 * oe.h (CPP_SPEC): Added to allow trigraphs.
1033 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1034 not support the "long long" type.
1036 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1038 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1040 (mips_reg_mode_ok_for_base_p): Likewise.
1041 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1042 (REG_OK_FOR_INDEX_P): Define unconditionally.
1043 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1044 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1045 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1046 that GET_MODE_SIZE is unsigned.
1047 (mips_reg_mode_ok_for_base_p): Define.
1048 (mips_legitimate_address_p): Likewise. Adjust now
1049 that GET_MODE_SIZE is unsigned.
1050 (block_move_loop): Make the number of bytes unsigned.
1051 (expand_block_move): Likewise.
1052 (function_arg): Make the loop counter unsigned to match the
1055 2000-04-16 Richard Henderson <rth@cygnus.com>
1057 * rtl.h (enum insn_note): New enumeration. Subsume
1058 NOTE_INSN_DELETED and friends.
1059 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1060 * rtl.c (note_insn_name): Tweak string order.
1062 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1064 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1067 * cpplex.c (output_line_command): Remove debugging prints.
1068 (cpp_output_tokens): Don't write out a zero-length buffer or
1069 try to see if it has a newline in it.
1070 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1071 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1072 the end of the loop. Use memmove. Don't read past the end of
1073 the buffer. Remove trailing newlines from error messages.
1075 2004-04-16 Neil Booth <NeilB@earthling.net>
1077 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1078 * cpplib.c: Add new syntax flags to directive table, and
1081 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1083 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1086 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1088 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1089 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1091 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1093 * Makefile.in (ggc-page.o): Now includes toplev.h.
1094 * ggc-page.c (toplev.h): Now included.
1095 (gc_time): Remove declaration.
1096 (ggc_collect): TIME now long.
1097 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1099 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1101 * toplev.c: Make *_time variable long to reduce chance of overflow.
1102 (TIMEVAR): Likewise for `otime'.
1103 (print_time): Arg is now long; compute percentage in FP and round.
1104 * toplev.h (print_time): Arg is long.
1106 * tree.c: Minor whitespace changes.
1108 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1109 * configure: Rebuilt.
1110 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1111 (__fixunsxfDI): Renamed from __fixunsxfdi.
1112 (__fixunsdfDI): Renamed from __fixunsdfdi.
1113 (__fixunssfDI): Renamed from __fixunssfdi.
1114 (__floatdisf): Use proper type in REP_BIT macro.
1115 (__fixunsxfSI): Renamed from __fixunsxfsi.
1116 (__fixunsdfSI): Renamed from __fixunsdfsi.
1117 (__fixunssfSI): Renamed from __fixunssfsi.
1118 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1119 Change location of macros and upper-case some names as above.
1120 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1121 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1123 * varasm.c (assemble_variable): Add cast to remove warning.
1124 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1126 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1127 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1128 region number to -1.
1130 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1132 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1133 call unshare_all_rtl.
1135 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1137 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1139 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1140 Use .s1 not .s0 for all FP instructions.
1142 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
1144 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
1146 (safe_fwrite, output_line_command): New static functions.
1147 (cpp_expand_to_buffer): Now private to cpplib.
1148 (cpp_scan_buffer): Take a printer.
1150 * cpphash.h: Update prototypes.
1151 * cpplib.h: Update prototypes.
1153 (cpp_buffer): Remove last_nominal_fname.
1154 (cpp_reader): Remove lineno.
1156 * cppmain.c: Use a cpp_printer.
1157 * fix-header.c: No need to inhibit line commands. Call
1158 cpp_start_read with no printer.
1160 * cpperror.c (cpp_notice_from_errno): Provide default name.
1161 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
1162 (find_include_file, cpp_read_file): Use make_IHASH.
1163 (file_cleanup): Set control_macro and clear
1164 input_stack_listing_current here.
1165 (_cpp_execute_include): Don't output entering-file marker.
1166 * cpphash.c (special_symbol): Look for the line number in the
1167 buffer, not the reader.
1168 (_cpp_macroexpand): No need to disable line commands.
1169 (_cpp_dump_definition): No need to generate line commands.
1170 (dump_hash_helper): Remove excess newline from output.
1171 * cppinit.c (dump_special_to_buffer): No need to generate line
1173 (cpp_printer_init): New.
1174 (cpp_start_read): Take a printer, and start it up if it's not
1175 NULL. No need to generate line commands.
1176 (cpp_finish): Expect no buffers stacked at all. Take a
1177 printer argument, and flush the output buffer if it's not
1179 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
1180 Don't put two hashes at the beginning of an assertion.
1181 (cpp_get_token): Don't increment pfile->lineno or emit line
1182 commands here. Return EOF if there's no buffer when we get
1184 * cpplib.c (do_define, skip_if_group):
1185 No need to disable line commands.
1186 (_cpp_output_line_command): Delete function.
1187 (do_line): Don't emit line commands here, but set things up so
1188 they will be emitted if necessary. Use _cpp_fake_ihash to
1189 make unique nominal_fnames if necessary.
1190 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
1191 with 0 for column, not -1.
1192 (_cpp_handle_eof): Don't set the control macro here. Don't
1193 clear input_stack_listing_current here. Don't emit line
1196 2000-04-14 Geoff Keating <geoffk@cygnus.com>
1198 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
1199 always, use the default SVR4 start address.
1201 * config/rs6000/linux.h (LINK_SPEC): Don't define.
1202 (LINK_SHLIB_SPEC): Define.
1203 (LINK_START_DEFAULT_SPEC): Define.
1204 (LINK_OS_DEFAULT_SPEC): Define.
1206 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
1208 * config/rs6000/eabi.asm (__eabi): Call __init rather than
1209 __do_global_ctors to handle constructors.
1210 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
1211 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
1212 (STARTFILE_MVME_SPEC): Likewise.
1213 (STARTFILE_SIM_SPEC): Likewise.
1214 (ENDFILE_ADS_SPEC): Use crtend.
1215 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
1216 (ENDFILE_MVME_SPEC): Likewise.
1217 (ENDFILE_SIM_SPEC): Likewise.
1218 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
1219 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
1220 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
1221 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
1222 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
1223 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
1224 (CRTSTUFF_T_CFLAGS_S): Define.
1225 * config/rs6000/eabi-ctors.c: Delete.
1227 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
1230 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
1234 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
1236 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
1237 plus mask size is smaller or equal to the mode size.
1239 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1241 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
1244 * expr.c (reload.h): Now included.
1245 (emit_block_move): Set volatile_ok when checking for movstr.
1246 (emit_move_1): Check for replacements in addresses in multi-word case.
1247 * Makefile.in (expr.o): Now includes reload.h.
1249 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
1250 Never have a LIBCALL end a basic block.
1251 (find_basic_blocks_1): Likewise.
1252 Reorganize CALL_INSN cases.
1254 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
1256 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
1258 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
1259 completers from mov.ret instruction.
1261 2000-04-14 Richard Henderson <rth@cygnus.com>
1263 * fold-const.c (extract_muldiv): Don't distribute and widen
1264 multiply across plus for non-sizetype unsigned types.
1266 2000-04-14 Richard Henderson <rth@cygnus.com>
1268 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
1269 If the original source is dead in the incr insn, it's dead now.
1271 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1273 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
1274 see if DECL_BIT_FIELD needs to still be set.
1276 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
1278 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
1279 print_int_cst_octal with something that's not an INTEGER_CST.
1281 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
1282 and not a SUBREG to a FLOAT rtl.
1284 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
1286 * emit-rtl.c (try_split): Avoid infinite loop if the split
1287 results in a sequence that contains the original insn.
1289 2000-04-13 Andreas Jaeger <aj@suse.de>
1291 * config/mips/mips.c (expand_block_move): Pass alignment
1292 argument to move_by_pieces in bits, not bytes.
1294 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
1295 __pic__ for little endian.
1297 2000-04-13 Andreas Jaeger <aj@suse.de>
1299 * config/i386/i386-protos.h: Add prototype for
1300 uno_comparison_operator.
1302 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1304 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
1305 * calls.c (ECF_PURE): New flag.
1306 (emit_call_1): Handle ECF_PURE calls.
1307 (initialize_argument_information): Unset ECF_PURE flag too.
1308 (precompute_arguments): Precompute for ECF_PURE too.
1309 (expand_call): Handle ECF_PURE calls too.
1310 (emit_library_call_value_1): Rename no_queue argument to fn_type,
1311 accept value of 2 as pure function.
1312 (emit_library_call_value, emit_library_call): Rename no_queue argument
1314 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
1316 * tree.h (DECL_IS_PURE): New macro.
1317 (struct tree_decl): Add pure_flag.
1318 * c-common.c (enum attrs): Add attribute "pure".
1319 (init_attributes): Initialize attribute "pure"
1320 (decl_attributes): Handle attribute "pure".
1321 * extend.texi (Attribute "pure"): Document.
1322 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
1324 (flags_from_decl_or_type): Support attribute "pure".
1326 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
1328 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
1329 the token except for numbers and identifiers.
1331 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
1333 * i386.c (ix86_expand_binary_operator,
1334 ix86_expand_unary_operator): Check no_new_pseudos
1335 instead of reload_in_progress and reload_completed.
1336 (ix86_split_ashldi, ix86_split_ashrdi,
1337 ix86_split_lshrdi): Check no_new_pseudos instead
1338 of reload_completed.
1340 2000-04-12 Jeffrey A Law (law@cygnus.com)
1342 * function.c (purge_addressof): Unshare any shared rtl created by
1343 purge_addressof and its children.
1345 2000-04-12 Mark Mitchell <mark@codesourcery.com>
1347 * function.c (aggregate_value_p): VOID_TYPE nodes are never
1350 2000-04-05 Andreas Jaeger <aj@suse.de>
1352 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
1353 not compiling PIC code, add flags for mabi=64.
1354 (SUBTARGET_CPP_SIZE_SPEC): New.
1355 (SUBTARGET_CPP_SPEC): New.
1356 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
1357 for MIPS/Linux and lots of code needs these defines.
1359 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
1361 * reorg.c (fill_slots_from_thread): Check side_effects_p when
1362 trying the "opposite arithmetic" approach.
1364 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1366 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
1367 (struct sh_args): Add new field force_mem.
1368 (INIT_CUMULATIVE_ARGS): Initialize it.
1369 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
1371 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
1373 * calls.c (expand_call): Do not reverse args in "equal from" field.
1374 (emit_library_call_value_1): Emit_libcall_block for const and pure
1377 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1379 * reload1.c (reload_combine): Don't enable optimization for fixed
1380 registers when encountering a BARRIER.
1382 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
1384 * builtins.c (expand_builtin_memcmp): Do expansion even with
1385 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
1387 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
1388 stack is propertly aligned; add sanity checking for aligned
1390 (expand_library_call_value_1): Add sanity checking for aligned
1393 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
1395 * calls.c (emit_library_call_value_1): Change 3rd arg to
1396 locate_and_pad_parm to disregard the setting of partial.
1398 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1400 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
1402 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
1403 CALL_INSN from the normal case.
1405 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
1407 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1408 New global variables.
1409 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
1411 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
1413 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
1414 TARGET_ADD_ESP_8): New macros.
1415 * i386.md: Add peep2s to convert esp adjustments to push and pop
1417 (pushsi_prologue, popsi_epilogue): New patterns.
1419 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1421 * real.c (toe64): Remove stale #endif from the last change.
1423 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
1425 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
1426 * real.c (toe64): Revert previous change.
1428 2000-04-12 Jakub Jelinek <jakub@redhat.com>
1430 * objc/objc-act.c: Include ggc.h.
1431 (objc_tree_index, objc_global_trees): Convert most of the
1432 static tree variables into a static array with previous names
1434 (objc_ellipsis_node): New variable.
1435 (lang_init): Call objc_act_parse_init and c_parse_init.
1436 Create objc_ellipsis_node.
1437 (build_selector_translation_table): Use objc_ellipsis_node instead
1439 (hack_method_prototype): Likewise.
1440 (get_arg_type_list): Likewise.
1441 (start_method_def): Likewise.
1442 (continue_method_def): Likewise.
1443 (gen_method_decl): Likewise.
1444 (ggc_mark_imp_list): New function.
1445 (ggc_mark_hash_table): New function.
1446 (objc_act_parse_init): New function.
1447 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
1448 * c-parse.in (c_parse_init): For objc add roots of objc specific
1449 local tree variables.
1450 * objc/objc-parse.y: Rebuilt.
1451 * objc/objc-parse.c: Rebuilt.
1452 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
1454 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
1456 * cse.c (delete_trivially_dead_insns): Also delete insns
1457 that copy a register to itself where the destination is
1460 2000-04-11 Richard Henderson <rth@cygnus.com>
1462 * flow.c (struct propagate_block_info): Add new_dead, new_live.
1463 (propagate_block): Initialize them. Use them in parallel instead
1464 of one tmp variable, ie revert much of the 0408 and 0407 functional
1465 changes, but keep the structural changes.
1466 (mark_set_regs): Take new_dead from propagate_block_info instead.
1467 (mark_set_1, mark_set_reg): Likewise.
1468 (mark_used_regs): Likewise with new_live.
1469 (mark_used_reg): Likewise. Revert 0408 change.
1471 2000-04-11 Nick Clifton <nickc@cygnus.com>
1473 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
1475 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
1477 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1479 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
1480 const section to output a CONSTRUCTOR based on the same conditions
1483 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
1485 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
1486 * pa/pa-protos.h (output_call): Add additional argument indicating
1487 if the call is a sibling/tail call.
1488 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
1489 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
1490 (function_arg, function_arg_partial_nregs): Likewise
1491 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
1492 (emit_move_sequence): Zero extend certain constants as needed
1494 (compute_zdepdi_operands, output_64bit_and): New functions.
1495 (output_64bit_ior, function_arg): Likewise.
1496 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
1497 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
1498 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
1499 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
1500 (output_bvb): Likewise.
1501 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
1502 (output_call): New argument 'sibcall'. Generate sibcall sequences
1504 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
1505 (ouput_arg_descriptor): Do not emit argument descriptors for
1507 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
1509 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
1510 (FUNCTION_OK_FOR_SIBALL): Define.
1511 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
1512 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
1513 (CPP_SPEC): Use new spec infrastructure.
1514 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
1515 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
1516 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
1517 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
1518 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
1519 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
1520 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
1521 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
1522 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
1523 (FUNCTION_ARG); Call out to C code.
1524 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
1525 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
1526 (MIN_UNITS_PER_WORD): Likewise.
1527 * pa/pa.md (cmpdi): New expander.
1528 (scc patterns, movstrsi): Not available for TARGET_64BIT.
1529 (64bit conditional arithmetic): New patterns.
1530 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
1531 (movsicc): Not available if modes on all the operands to not match.
1532 (movdicc): New expander and associated patterns.
1533 (64bit branches): New patterns.
1534 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
1535 (pre_ldd, post_std): New patterns.
1536 (64bit addil, load low part): New patterns.
1537 (special movsf constant): Not available for TARGET_64BIT.
1538 (movsf, movdf expanders): Force constants into memory.
1539 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
1540 (64bit movdf/movdi patterns): New patterns.
1541 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
1543 (extendqidi2, extendhidi2, extendsidi2): Similarly.
1544 (adddi3 expander): Allow "arith_operand" for second input.
1545 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
1546 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
1547 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
1548 (muldi3): New expander for TARGET_64BIT.
1549 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
1551 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
1552 patterns for TARGET_64BIT.
1553 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
1554 patterns for TARGET_64BIT.
1555 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
1556 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
1557 (sibcall_epilogue): New expander.
1558 (casesi): Tweak for TARGET_64BIT.
1559 (call expanders): Set & use the outgoing argument pointer. Use the
1560 64bit call patterns as needed. Add additional arg to output_call.
1561 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
1562 (sibcall, sibcall_internal_symref): New expanders.
1563 (sibcall_value, sibcall_value_internal_symref
1564 (interspace_jump): Turn into an expander + matching patterns.
1565 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
1566 * pa/pa64-regs.h: Eliminate trigraph sequences.
1567 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
1569 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
1571 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
1572 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
1573 cpp_token with cpp_ttype everywhere.
1574 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
1575 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
1576 CPP_BUF_COL. Line and column numbers are unsigned int, not
1578 * cpplex.c (cpp_buf_line_and_col): Delete.
1579 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
1580 'long lineno' to 'unsigned int lineno'.
1581 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
1583 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1585 * extend.texi: ISO C99 is not a draft anymore.
1586 * invoke.texi: ISO C++ is not a draft anymore.
1587 * cpp.texi: __cplusplus is required by the ISO standard.
1589 * extend.texi (-fthis-is-variable): Undocument.
1590 * flags.h (warn_template_debugging): Remove declaration.
1591 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
1592 -Wenum-clash, -Wtemplate-debugging): Undocument.
1594 2000-04-10 Nick Clifton <nickc@cygnus.com>
1596 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
1598 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
1600 (ARM_SIGN_EXTEND): Use HOST_UINT.
1601 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
1602 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
1603 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
1604 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
1606 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
1607 (arm_gen_constant): Use HOST_UINT.
1608 (arm_canonicalize_constant): Use HOST_UINT.
1609 (arm_reload_in_hi): Use HOST_UINT.
1610 (arm_reload_out_hi): Use HOST_UINT.
1611 (output_multi_immediate): Use HOST_UINT.
1612 (int_log2): Use HOST_UINT.
1613 (arm_poke_function_name): Use HOST_UINT.
1614 (arm_output_epilogue): Use arm_volatile_func().
1615 (output_thumb_prologue): Use arm_strip_name_encoding().
1617 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1619 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
1620 of sequence point problems.
1622 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
1624 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
1626 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
1628 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1630 * sbitmap.h: Whitespace changes and use upper-case macro args.
1631 (struct simple_bitmap_def): All sizes now unsigned.
1632 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
1633 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
1634 (sbitmap_vector_alloc): Parms and local vars now unsigned.
1635 (sbitmap_zero): Cast bzero arg to PTR.
1636 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
1637 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
1638 loop to make structure clearer.
1639 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
1640 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
1641 (sbitmap_a_and_b_or_c): Likewise.
1642 (sbitmap_intersection_of_succs): Minor cleanups.
1643 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
1644 (sbitmap_union_of_preds): Likewise.
1645 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
1646 (debug_sbitmap): New function.
1648 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
1649 * c-typeck.c (convert_for_assignment): Likewise.
1651 * expmed.c (init_expmed): Don't free objects we make.
1652 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
1654 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
1655 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
1657 * gcse.c (expr_hash_table_size): Now unsigned.
1658 (compute_ae_gen): Local variable `i' now unsigned.
1659 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
1660 (compute_transout, hoist_code): Likewise.
1661 (compute_local_properties): Likewise, also hash_table_size.
1662 (alloc_expr_hash_table): N_INSNS now unsigned.
1663 (delete_null_pointer_checks): Mark arg F as unused.
1665 * regrename.c: Minor cleanups, including chang some variables
1668 2000-04-10 Neil Booth <NeilB@earthling.net>
1670 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
1672 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
1674 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1676 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
1677 __classof__, and __headof__ from the list of gnu keywords.
1678 (-ansi): Remove -foperator-names from list of implied options.
1679 Do not call it ANSI C++.
1680 (-foperator-names): Document as -fno-operator-names.
1682 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
1684 * cpphash.c (timestamp): Delete.
1685 (del_HASHNODE): If type is T_MCONST, free value.cpval.
1686 (special_symbol): Remove unnecessary braces. Remove
1687 T_VERSION. Treat T_STDC like T_CONST unless
1688 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
1689 when one is encountered, then convert them into T_MCONST
1691 * cppinit.c (builtin_array): version_string is T_MCONST.
1692 __STDC__ has a "1" in its cpval. Don't have a terminator
1693 entry. Clean up which entries are dumped.
1694 (initialize_builtins): Only __STDC__ gets the special
1695 -traditional treatment. Count the length of builtin_array.
1696 Render version_string here.
1697 * cpphash.h: Remove T_VERSION. Add T_MCONST.
1698 * cpplib.h (struct cpp_reader): Remove timebuf.
1700 2000-04-09 Richard Henderson <rth@cygnus.com>
1702 * genrecog.c (pred): Update comparison_operator for the unordered
1705 * config/i386/i386.c (no_comparison_operator): Disallow unordered
1707 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
1708 (uno_comparison_operator): New.
1709 (put_condition_code): Handle UNORDERED/ORDERED.
1710 (unsigned_comparison): Likewise.
1711 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
1712 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
1713 (ix86_expand_fp_compare): Use them. Take scratch as argument,
1714 update all callers. Handle all 8 unordered operators.
1715 (ix86_expand_setcc): Lose the unordered argument, update all callers.
1716 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
1717 * config/i386/i386.h (PREDICATE_CODES): Update.
1718 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
1719 (ix86_expand_branch, ix86_expand_setcc): Update.
1720 * config/i386/i386.md (sunordered, sordered): New.
1721 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
1722 (bunordered, bordered): New.
1723 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
1724 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
1725 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
1727 2000-04-09 Philip Blundell <philb@gnu.org>
1729 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
1731 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
1733 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
1734 fix_truncxfhi2): New patterns.
1735 * i386.c (output_fix_trunc): Handle converting to HImode.
1737 2000-04-08 Alex Samuel <samuel@codesourcery.com>
1739 * ssa.c (convert_to_ssa): Eliminate dead code when calling
1741 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
1742 (for_each_successor_phi): Change parameter to basic_block.
1743 (coalesce_regs_in_successor_phi_nodes): Likewise.
1744 (coalesce_regs_in_copies): Likewise.
1745 (compute_coalesced_reg_partition): Use basic_block instead of index.
1746 * rtl.h (convert_to_ssa): Delete.
1747 (convert_from_ssa): Likewise.
1748 (successor_phi_fn): Likewise.
1749 (for_each_successor_phi): Likewise.
1750 (in_ssa_form): Likewise.
1751 * basic-block.h (convert_to_ssa): Moved from rtl.h.
1752 (convert_from_ssa): Likewise.
1753 (successor_phi_fn): Likewise.
1754 (in_ssa_form): Likewise.
1755 (for_each_successor_phi): Likewise. Change parameter to basic_block.
1756 * flow.c (calculate_global_regs_live): Pass a basic_block to
1757 for_each_successor_phi.
1759 2000-04-08 Richard Henderson <rth@cygnus.com>
1761 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
1762 was modified in the current insn.
1764 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1766 * arm/thumb.md: Delete.
1767 * arm/thumb-protos.h: Delete.
1769 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1771 Merge changes from merged-arm-thumb-backend-branch onto trunk.
1773 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
1775 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
1778 * arm.md (nop): Use the standard RTL expression. Don't code as a
1780 (*arm_nop, *thumb_nop): Delete.
1782 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
1783 constants. Use casts instead.
1784 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
1785 output_multi_immediate, arm_poke_function_name): Likewise.
1786 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
1787 MASK_RETURN_ADDDR): Likewise.
1789 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
1791 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
1794 * arm.md (eh_epilogue): New function.
1795 * arm.h (struct machine_function): Move to here ...
1796 * arm.c: ... from here.
1797 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
1798 (thumb_exit): Extra parameter eh_ofs. All callers changed.
1799 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
1801 2000-03-30 Nick Clifton <nickc@cygnus.com>
1803 * config/arm/semi.h (ASM_SPEC): Restore definition.
1804 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1806 * config/arm/elf.h (ASM_SPEC): Restore definition.
1807 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
1809 * config/arm/arm.h (ASM_SPEC): Remove definition.
1810 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
1812 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
1814 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
1816 2000-03-24 Nick Clifton <nickc@cygnus.com>
1818 Various formating tidyups, elimination of compile time
1819 warnings and synchronisation with internal sources:
1821 * config/arm/arm-protos.h (assemble_align): Add prototype.
1822 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1823 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1824 (arm_return_addr_rtx): Rename to arm_return_addr.
1826 * config/arm/arm.c: Include except.h.
1827 Define shorter typenames for strict minipool_node and struct
1829 (arm_return_in_memory): For WinCE return all structures <= 32 bits
1831 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
1832 (gen_comapre_reg): Rename to arm_gen_compare_reg.
1834 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
1836 (ASM_SPEC): Define if not already defined.
1837 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
1839 * config/arm/arm.md: Rename references to gen_rotated_half_load to
1840 arm_gen_rotated_half_load, and references to gen_comapre_reg to
1841 arm_gen_compare_reg.
1842 (indirect_jump): Only accept register operands.
1843 (load_indirect_jump): Keep this pattern since combine can generate
1846 * config/arm/coff.h: Include aout.h.
1847 (MULTILIB_DEFAULTS): Only define if not already defined.
1849 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
1850 into arm.h (so that COFF ports can support thumb based aliases).
1851 (ASM_SPEC): Move definition into arm.h
1853 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
1854 redundant apcs spec.
1855 (ASM_SPEC): Move definition to arm.h
1857 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
1859 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
1860 for entries in the .bss section
1862 2000-03-23 Nick Clifton <nickc@cygnus.com>
1864 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
1865 to thumb_far_jump_used_p.
1867 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
1868 single integer parameter.
1870 * config/arm/arm.c (struct machine_function): Add two new
1871 fields, 'far_jump_used' and 'arg_pointer_live'.
1872 (thumb_far_jump_used_p): Once the decision has been made that
1873 far jumps might be used, always return true.
1874 If being called from the initial elimination offset macro then
1875 do not bother to perform the test if the arg pointer is not
1877 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
1878 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
1880 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
1882 * arm.c (output_return_instruction): Handle more cases where we can
1883 return from a function with an ldr instruction.
1884 (arm_output_epilogue): Likewise.
1886 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
1887 if we need to push a large stack frame and there are no callee-saved
1890 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
1891 in ARM code if the frame pointer has been eliminated.
1893 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
1894 unspec_volatile arguments to avoid duplicates.
1895 (consttable_1, consttable_2): Fixes for big-endian mode.
1897 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
1900 Re-write constant pool code.
1901 * arm.c (minipool_node, minipool_fix): New types.
1902 (minifix): Delete type.
1903 (arm_add_minipool_constant): Delete.
1904 (arm_compute_minipool_offsets, arm_find_barrier,
1905 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
1906 (get_jump_table_size): Now returns HOST_WIDE_INT.
1907 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
1909 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
1910 (assign_minipool_offsets, arm_print_value): Likewise.
1911 (dump_minipool): Rewrite.
1912 (arm_barrier_cost): New function.
1913 (create_fix_barrier): New function.
1914 (push_minipool_barrier): New function.
1915 (push_minipool_fix): Record additional information about the fixup
1917 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
1918 check the mode of what needs fixing.
1919 (arm_reorg): Rewrite.
1921 2000-03-08 Nick Clifton <nickc@cygnus.com>
1923 * config/arm/arm.md (indirect_jump): Force constant addresses into
1926 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
1928 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
1930 2000-02-24 Nick Clifton <nickc@cygnus.com>
1932 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
1933 adjust is word aligned.
1934 (thumb_expand_epilogue): Make sure that stack adjust is word
1937 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
1939 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
1941 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
1942 pointer relative addresses.
1944 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
1946 * arm.c (find_barrier): Find the last barrier within the allowed
1949 2000-02-09 Nick Clifton <nickc@cygnus.com>
1951 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
1953 2000-02-09 Nick Clifton <nickc@cygnus.com>
1955 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
1956 ARM_FUNCTION_PROFILER.
1958 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
1959 ARM_FUNCTION_PROFILER.
1961 * config/arm/linux-oldld.h: Imported from mainline sources.
1963 2000-02-07 Nick Clifton <nickc@cygnus.com>
1965 * config/arm/lib1funcs.asm: Merge in thumb functions from
1968 * config/arm/lib1thumb.asm: Delete.
1970 2000-02-04 Nick Clifton <nickc@cygnus.com>
1972 * config/arm/arm.c: Sychronised with current Red hat local
1974 * config/arm/arm.h: Ditto.
1975 * config/arm/arm-protos.h: Ditto.
1977 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
1979 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
1981 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
1984 2000-02-02 Nick Clifton <nickc@cygnus.com>
1986 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
1988 * config/arm/arm.md (epilogue): Fix rtl checking abort because
1989 (return) was emited using an emit_insn() call.
1991 2000-01-31 Nick Clifton <nickc@cygnus.com>
1993 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
1995 (thumb_exit): Move frame pointer back into hard frame pointer
1996 register if backtracing is being used.
1998 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2000 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2003 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2005 * config/arm/arm.md (neg_pool_offset): Provide default for new
2007 (arm_movsi_insn): Add neg_pool_offset attribute.
2008 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2009 rtx for the insn that starts the scan and an unsigned long for its
2010 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2011 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2012 instructions in *PINSERTED.
2013 (struct minipool_fixup): Add MIN_ADDRESS elt.
2014 (sort_fixups): Compute it.
2015 (arm_reorg): Changes to support inserting pools before the insn to be
2018 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2020 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2021 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2022 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2024 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2026 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2028 (TARGET_DEFAULT): Do not define if already defined.
2030 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2032 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2033 (iordi3): Allow disjoint source operands.
2034 (xordi3): Allow disjoint source operands.
2035 (negdi2): Permit construction for ARM and Thumb.
2036 (arm_negdi2): Renamed version of old negdi2 pattern.
2037 (thumb_negdi2): New pattern: Only permit non-overlapping
2038 source and destination.
2040 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2042 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2043 scratch low register so that it will not be deleted.
2045 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2047 * config/arm/pe.h (ARM_PE): Define.
2049 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2050 interfacearm attribute if this is a PE toolchain.
2051 (output_return_instruction): Do not emit anything if the function
2052 has the naked attribute set.
2053 (is_called_in_ARM_mode): If the function has the interfacearm
2054 attribute then return true.
2055 (thumb_expand_prologue): Do not generate a prologue for naked
2057 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2059 (output_thumb_prologue): Do not bother if the function is naked.
2060 Strip PE encoding from function name before emitting.
2062 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2064 * arm.md (pic_load_addr): Fix constraints.
2066 * arm.md (casesi_insn): Fix mis-applied patch.
2068 * arm.md ("core" function unit): Add rules for single- and
2070 (All TARGET_THUMB patterns): Add "type" attribute information
2072 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2073 the following insn is a CALL.
2075 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2077 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2078 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2079 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2081 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2083 * config/arm/linux-gas.h: oops - this file was missed out when the
2084 branch was created...
2086 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2088 * thumb.c: Deleted. Move contents to ...
2090 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2092 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2095 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2096 declare a prototype for asm_output_align();
2098 * arm.c (thumb_condition_code): Delete.
2099 (arm_print_operand): Always use arm_condition_code array.
2101 * arm.c (thumb_return_addr_rtx): Delete.
2102 (arm_save_machine_status, arm_restore_machine_status): Delete.
2103 (arm_init_machine_status, arm_mark_machine_status): New functions.
2104 (arm_init_expanders): Update accordingly.
2105 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2106 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2107 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2109 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2111 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2113 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2116 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2118 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2119 stack backtrace structure.
2121 * config/arm/arm-protos.h: Add prototypes for functions defined in
2124 * config/arm/arm.c (arm_override_options): Fix selection of
2125 attributes of default processor.
2127 * config/arm/coff.h: Delete needless #include.
2129 * config/arm/pe.c: Delete unused code.
2131 * config/arm/pe.h (CPP_DEFINES): Delete
2132 (SUBTARGET_CPP_SPEC): Define.
2133 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2135 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2137 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2139 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
2141 (CAN_DEBUG_WITHOUT_FP): Define.
2142 (FIXED_REGISTERS): Make r11 call-saved.
2143 (CALL_USED_REGISTERS): Likewise.
2144 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
2145 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
2146 frame-pointer is required.
2147 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
2148 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
2149 if the target normally needs a stack frame in non-leaf functions.
2150 (use_return_insn): Correct logic for determining when a return
2151 instruction can be used.
2152 (output_return_instruction): Handle the frame-pointer register as
2153 a normal register when not TARGET_APCS_FRAME.
2154 (arm_output_prologue): Likewise.
2155 (arm_output_epilogue): Likewise.
2156 (output_func_epilogue): Likewise.
2157 (arm_expand_prologue): Likewise.
2158 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
2160 * arm.c (use_return_insn): No need to check floating point regs if
2162 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
2163 the code of value stored in the minipool array.
2164 (arm_add_minipool_constant): Likewise.
2166 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2168 * basic-block.h (conflict_graph_enum_fn): K&R fix.
2170 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2172 * tree.c (tree_expr_nonnegative_p): New function.
2174 * tree.h (tree_expr_nonnegative_p): Declare.
2176 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
2177 elide some sign_compare warnings.
2178 (build_conditional_expr): Likewise.
2180 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
2182 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
2184 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
2185 * i386.c (print_operand): Use the proper suffix for a 387 HImode
2186 operand. Abort if a 387 operand has an unsupported size.
2188 2000-04-08 Neil Booth <NeilB@earthling.net>
2190 * cppexp.c (parse_charconst): Null does not end character
2192 * cppinit.c (ISTABLE): Null character handled as whitespace.
2193 * cpplex.c (null_warning): new function.
2194 (skip_string): Emit warning if nulls encountered.
2195 (_cpp_skip_hspace): Emit warning if nulls encountered.
2196 (_cpp_lex_token): Emit warning if nulls encountered. Drop
2200 2000-04-07 Richard Henderson <rth@cygnus.com>
2202 * flow.c (loop_depth): Remove.
2203 (reg_next_use, cc0_live, mem_set_list): Replace with ...
2204 (struct propagate_block_info): New.
2205 (life_analysis): Don't allocate reg_next_use.
2206 (propagate_block_delete_insn): Break out of propagate_block.
2207 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
2208 (propagate_block_delete_libcall): Likewise.
2209 (propagate_block): Create a propagate_block_info struct to pass
2210 to subroutines. Allocate one not two temporary regsets. Don't
2211 clobber memory for const calls. Look for clobbers in
2212 CALL_INSN_FUNCTION_USAGE.
2213 (mark_set_regs): Recognize COND_EXEC.
2214 (mark_set_reg): Break out of mark_set_1.
2215 (mark_used_reg): Break out of mark_used_regs.
2216 (mark_used_regs): Recognize COND_EXEC.
2217 (insn_dead_p): Use propagate_block_info struct.
2218 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
2219 (find_auto_inc, try_pre_increment_1): Likewise.
2220 (print_rtl_with_bb): Dump regs live at end too.
2221 (count_reg_sets_1): Pass in loop_depth.
2222 (count_reg_sets, count_reg_references): Likewise.
2223 (recompute_reg_usage): Provide it.
2225 2000-04-07 Richard Henderson <rth@cygnus.com>
2227 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
2230 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
2232 * cpplib.c (do_elif): Skip the rest of the line if we're
2233 not going to bother evaluating it.
2234 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
2235 to avoid pointless calls to the lexer.
2237 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
2239 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
2241 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
2243 * calls.c (expand_call): emit_queue if we're trying a sibcall.
2245 2000-04-07 Jakub Jelinek <jakub@redhat.com>
2247 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
2249 2000-04-06 Geoff Keating <geoffk@cygnus.com>
2251 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
2252 crtend so they can be multilibbed.
2253 (STAGESTUFF): Remove s-crt and s-crtS.
2255 2000-04-07 Richard Henderson <rth@cygnus.com>
2257 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
2258 if we discover we need a pseudo and no_new_pseudos is true.
2259 * config/alpha/alpha.md (ne:DI insn): New.
2260 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
2262 2000-04-07 Richard Henderson <rth@cygnus.com>
2264 * rtl.def (COND_EXEC): New.
2265 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
2266 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
2268 * genconfig.c (have_cond_arith_flag): Remove.
2269 (have_cond_exec_flag): New.
2270 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
2271 (main): Print HAVE_conditional_execution.
2273 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
2274 (sched_analyze_insn, print_pattern): Likewise.
2275 * reload.c (find_equiv_reg): Likewise.
2276 * rtlanal.c (reg_referenced_p): Likewise.
2277 (note_stores, dead_or_set_regno_p): Likewise.
2278 (reg_overlap_mentioned_p): Rewrite to use a switch.
2280 * ggc.h (struct rtx_def): Forward declare.
2282 * print-rtl.c (debug_rtx_range): New.
2283 * rtl.h (debug_rtx_range): Declare.
2285 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
2287 * gcse.c (gcse_main): Don't rebuild the CFG here.
2288 (delete_null_pointer_checks): Likewise.
2289 * ssa.c (convert_to_ssa): Likewise.
2290 * toplev.c (rest_of_compilation): Do it here instead. Combine
2291 sequential calls to TIMEVAR. Consistently use `insns' instead of
2292 `get_insns()'. Always split insns after reload when optimizing.
2294 * basic-block.h (merge_blocks_nomove): Declare.
2295 (tidy_fallthru_edge): Declare.
2296 * flow.c (merge_blocks_nomove): Document as merging into previous
2297 blocks. Remove cruft from between blocks; remove all edges out of A.
2298 (tidy_fallthru_edge): Export.
2300 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2302 * ssa.c (compute_conservative_reg_partition): Declare with
2304 * toplev.c (clean_dump_file): Remove previously-deleted function
2305 inadvertantly merged back in.
2306 * conflict.c (conflict_graph_add): Use a single call to
2307 htab_find_slot to look up and insert.
2309 2000-04-06 Richard Henderson <rth@cygnus.com>
2311 * genrecog.c (*): Rename _last_insn to last_insn.
2312 (make_insn_sequence): Set the position of the peephole2 C test
2313 to be at the last insn.
2315 2000-04-06 Richard Henderson <rth@cygnus.com>
2317 * flow.c (compute_flow_dominators): Free worklist.
2319 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
2321 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
2323 2000-04-06 Alex Samuel <samuel@codesourcery.com>
2325 * rtl.h (INSN_P): New macro.
2326 (successor_phi_fn): New typedef.
2327 (for_each_successor_phi): New prototype.
2328 (in_ssa_form): New variable.
2329 (PHI_NODE_P): Likewise.
2330 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
2331 phi nodes in successors.
2332 (mark_used_regs): Add PHI case.
2333 (set_phi_alternative_reg): New function.
2334 (life_analysis): Assert that dead code elimination is not selected
2336 * toplev.c (to_ssa_time): New variable.
2337 (from_ssa_time): Likewise.
2338 (compile_file): Zero to_ssa_time and from_ssa_time.
2339 Print time to convert to and from SSA.
2340 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
2341 (print_time): Compute percent fraction as integer.
2342 * ssa.c (PHI_NODE_P): Moved to rtl.h.
2343 (convert_to_ssa): Check if we're already in SSA.
2344 Don't eliminate dead code in life_analysis.
2345 Rerun flow and life analysis at bottom.
2346 (eliminate_phi): Use canonical regnos when adding nodes.
2347 (mark_reg_in_phi): New function.
2348 (mark_phi_and_copy_regs): Likewise.
2349 (convert_from_ssa): Rerun life analysis at top.
2350 Use coalesced partition.
2351 Check for removing a phi node at the end of the block.
2352 (compute_coalesced_reg_partition): New function.
2353 (coalesce_regs_in_copies): Likewise.
2354 (coalesce_reg_in_phi): Likewise.
2355 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
2356 (for_each_successor_phi): Likewise.
2357 (rename_context): New struct.
2358 (rename_block): Use a rename_context with rename_insn_1. When
2359 renaming sets of a subreg, emit a copy of the entire reg first.
2360 (rename_insn_1): Treat data as a rename_context *. Save current
2362 (rename_set_data): Add field set_insn.
2363 * Makefile.in (HASHTAB_H): Move up in file.
2364 (OBSTACK_H): New macro.
2365 (collect2.o): Use OBSTACK_H in dependencies.
2366 (sdbout.o): Likewise.
2367 (emit-rtl.o): Likewise.
2368 (simplify-rtx.o): Likewise.
2369 (fix-header.o): Likewise.
2370 (OBJS): Add conflict.o.
2371 (conflict.o): New rule.
2372 * basic-block.h: Include partition.h.
2373 (conflict_graph): New typedef.
2374 (conflict_graph_enum_fn): Likewise.
2375 (conflict_graph_new): New prototype.
2376 (conflict_graph_delete): Likewise.
2377 (conflict_graph_add): Likewise.
2378 (conflict_graph_conflict_p): Likewise.
2379 (conflict_graph_enum): Likewise.
2380 (conflict_graph_merge_regs): Likewise.
2381 (conflict_graph_print): Likewise.
2382 (conflict_graph_compute): Likewise.
2383 * conflict.c: New file.
2385 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
2387 * tlink.c (read_repo_files): Don't look for .rpo info for
2390 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2392 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
2394 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2396 * config/sh/lib1funcs.asm (___udivsi3_i4):
2397 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
2398 only depends on FMOVD_WORKS.
2400 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2402 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
2403 make double constant 8-byte aligned.
2405 2000-04-06 Jakub Jelinek <jakub@redhat.com>
2407 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
2408 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
2409 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
2410 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
2411 Accept storing GENERAL_REGS into offsetable memory.
2412 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
2413 building a TFmode constant other than 0.0L into GENERAL_REGS.
2415 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
2417 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
2419 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
2421 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
2422 (macro_cleanup): No need to cast pbuf->macro.
2423 (collect_expansion): Use _cpp_get_define_token. Goto done if
2424 it returns VSPACE. Remove check for trailing space after
2426 (_cpp_create_definition): Don't diddle flags here. Return
2428 (unsafe_chars): Handle c1 being EOF.
2429 (push_macro_expansion): Use unsafe_chars for both accidental-paste
2430 checks. Don't push the buffer till after we're done with
2432 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
2433 (PEEKN, FORWARD, GETC, PEEKC): Use them.
2434 (cpp_push_buffer): Don't set new->alimit. Set new->mark
2436 (_cpp_parse_assertion): Don't NUL terminate.
2437 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
2438 hspace before calling _cpp_parse_assertion. Remove all sets
2439 of only_seen_white. Treat '\f' as hspace. Don't do anything
2440 special with '\n' here.
2441 (maybe_macroexpand): Handle T_EMPTY hash entries without
2442 pushing a buffer at all.
2443 (cpp_get_token): Handle clearing only_seen_white here. Handle
2444 incrementing the line number here. Clear
2445 potential_control_macro as well as only_seen_white, if
2447 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
2448 (_cpp_get_define_token): New function, basically like
2449 _cpp_get_directive_token was but doesn't eat horizontal space.
2450 Don't do anything with only_seen_white here.
2451 (_cpp_get_directive_token): Just call _cpp_get_define_token
2452 repeatedly till it returns non-hspace.
2454 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
2455 (conditional_skip, skip_if_group): Return int.
2456 (DIRECTIVE_TABLE): Change origin of all conditional directives
2458 (TRAD_DIRECT_P): New macro.
2459 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
2460 an error for a bogus directive, unless -lang-asm. Use
2461 TRAD_DIRECT_P. Loop calling handler functions till one returns
2463 (get_macro_name): Don't diddle flags here.
2464 (do_define): Diddle flags here. Use _cpp_get_directive_token.
2465 Create T_EMPTY nodes for #define macro /* nothing */.
2466 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
2467 Use hp->name when calling pass_thru_directive.
2468 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
2469 Return the result of conditional_skip and/or skip_if_group.
2470 Don't call _cpp_output_line_command.
2471 (consider_directive_while_skipping): Use _cpp_get_directive_token.
2472 Issue -Wtraditional warnings as appropriate. Don't complain
2473 about unrecognized directives. If we are to stop skipping,
2474 return the number of the directive that ended the skip.
2475 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
2476 expansion and line commands while skipping. Return the result
2477 of consider_directive_while_skipping, if nonzero.
2478 (do_endif): Just set potential_control_macro here.
2479 (validate_else): Use _cpp_get_directive_token.
2480 (do_assert, do_unassert): Don't save pointers into the
2481 token_buffer across calls to the lexer. Use
2482 _cpp_get_directive_token.
2484 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
2485 pointer, not an offset. Replace 'data', which was a generic
2486 pointer, with 'macro', which points to a struct hashnode.
2487 (cpp_reader): Add 'potential_control_macro' pointer.
2488 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
2489 (CPP_BUF_GET, CPP_FORWARD): Delete.
2490 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
2491 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
2492 ACTIVE_MARK_P): Update.
2493 (_cpp_get_define_token): New internal function.
2494 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
2496 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
2498 * configure.in: And here.
2499 * configure: Regenerate.
2500 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
2501 --enable-libstdcxx-v3 is passed at configure time.
2502 * config.h.in: Regenerate.
2504 2000-04-05 Mark Mitchell <mark@codesourcery.com>
2506 * final.c (final): Use xcalloc to allocate line_note_exists.
2507 * function.c (free_after_compilation): Free the temp_slots.
2508 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
2509 (combine_temp_slot): Free temp_slots when they get combined.
2510 (purge_addressof): Fix typo in comment.
2511 * stmt.c (mark_goto_fixup): Mark the fixup itself.
2512 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
2514 * ggc.h: Include varray.h.
2515 (ggc_pending_trees): Declare.
2516 (ggc_mark_tree_children): Remove declaration.
2517 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
2518 * ggc-common.c (ggc_pending_trees): New variable.
2519 (ggc_mark_roots): Call ggc_mark_trees.
2520 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
2521 the ggc_pending_trees.
2522 * Makefile.in (GGC_H): New variable. Use it throughout in place
2525 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2527 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
2530 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2532 * sh.c (sh_insn_length_adjustment): New function.
2533 * sh-protos.h (sh_insn_length_adjustment): Declare.
2534 * sh.h (ADJUST_INSN_LENGTH): Use it.
2536 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
2538 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
2539 from the insn where REG_RETVAL is added.
2540 (emit_no_conflict_block): Ditto.
2542 * md.texi (Standard Names): Clarify when movX is needed.
2544 * combine.c (simplify_comparison) [MINUS]: Do not replace
2545 all (op (minus A B) 0) with (op A B).
2547 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
2548 J"orn Rennecke <amylaar@cygnus.co.uk>
2550 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
2551 (block_lump_real): Likewise.
2553 2000-04-05 Chris Demetriou <cgd@netbsd.org>
2555 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
2556 remaining non-zero debugging masks.
2558 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
2560 * basic-block.h (verify_flow_info): Declare.
2561 (flow_loop_outside_edge_p): Declare.
2562 * flow.c (verify_flow_info): Remove declaration.
2563 (clear_log_links, flow_loop_outside_edge_p): Likewise.
2565 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
2567 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
2570 2000-04-05 Jakub Jelinek <jakub@redhat.com>
2572 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
2573 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
2574 seqdi_zero_trunc+1): Allow splits only if registers are
2577 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
2579 * acconfig.h: Add HAVE_GAS_HIDDEN.
2580 * config.in: Regenerated.
2581 * configure.in: Add test for .hidden pseudo-op in gas.
2582 * configure: Regenerated.
2583 * crtstuff.c: Include auto-host.h.
2584 Emit additional .hidden pseudo-op for __dso_handle if the
2585 assembler knows about it.
2587 2000-04-04 Philippe De Muyter <phdm@macqel.be>
2589 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
2590 before freeing argnames.
2591 * cpplib.c (do_ifndef): Cast return value of xstrdup.
2593 2000-04-05 Michael Meissner <meissner@redhat.com>
2595 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
2596 Walton <jonboy@gordian.com> to make memory references with update
2597 work wtih -mregnames.
2599 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2601 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
2602 (regrename_optimize): Rename variables `def_uses' and
2603 `ext_basic_blocks' to avoid conflicts with similarly named
2604 typedefs in traditional C.
2606 * calls.c (initialize_argument_information): Fix typo in previous
2609 2000-04-04 Richard Henderson <rth@cygnus.com>
2611 * regrename.c (consider_available): Test fixed_regs not
2612 PIC_OFFSET_TABLE_REGNUM.
2614 2000-04-04 Geoff Keating <geoffk@cygnus.com>
2616 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
2618 (CRTSTUFF_T_CFLAGS_S): Delete definition.
2619 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
2620 (ENDFILE_LINUX_SPEC): Always use crtend.
2621 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
2622 (powerpc-*-linux-gnu): Likewise.
2623 * configure: Regenerate.
2625 * config/rs6000/eabi.h: Don't include sysv4.h.
2626 (MULTILIB_DEFAULTS): Don't define.
2627 * config/rs6000/eabiaix.h: Don't include eabi.h.
2628 * config/rs6000/eabile.h: Delete.
2629 * config/rs6000/eabilesim.h: Delete.
2630 * config/rs6000/eabisim.h: Don't include eabi.h.
2631 * config/rs6000/linux.h: Don't include sysv4.h.
2632 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
2633 (MULTILIB_DEFAULTS): Don't redefine.
2634 * config/rs6000/rtems.h: Don't include eabi.h.
2635 * config/rs6000/sol2.h: Don't include sysv4le.h.
2636 * config/rs6000/sysv4le.h: Don't include sysv4.h.
2637 * config/rs6000/t-ppc: Delete.
2638 * config/rs6000/t-ppcgas: Correct comment.
2639 * config/rs6000/t-ppcos: Correct comment. Don't build
2640 multilibs for -fPIC, rather use -fPIC -mstrict-align
2642 * config/rs6000/t-ppc: Delete.
2643 * config/rs6000/vxppc.h: Don't include sysv4.h.
2644 * config/rs6000/vxppcle.h: Delete.
2645 * configure.in: Use multiple header files for p2pc ELF targets
2646 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
2647 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
2648 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
2649 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
2650 always available for these platforms.
2652 2000-04-04 Richard Henderson <rth@cygnus.com>
2654 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
2656 2000-04-04 Stan Cox <scox@cygnus.com>
2658 * Makefile.in: Add rules for regrename.o
2659 * regrename.c: New file.
2660 * rtl.h (regrename_optimize): Add prototype.
2661 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
2662 (compile_file, decode_d_option): Add support for -frename-registers.
2663 (rest_of_compilation): Call regrename_optimize.
2664 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
2667 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2669 * Makefile (gccbug): New target.
2670 (doc): Depend on it.
2671 * gcc.texi (Bugs): Link subnodes.
2673 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
2674 Document severities, priorities, and classes in bug form.
2676 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
2678 * cpplex.c (trigraph_map, speccase): Combine into single
2680 (NORMAL, NONTRI): New macros.
2681 (_cpp_read_and_prescan): Change to use unified table. Use
2682 is_hspace to test for whitespace.
2684 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
2685 definition that doesn't provoke the "empty body in an
2686 if-statement" warning.
2688 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
2690 * builtins.c (expand_builtin_strlen): Force the source to
2691 be a memory address.
2693 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2695 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
2697 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2699 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
2700 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
2701 (ECF_IS_CONST): Rename to ECF_CONST.
2702 (special_function_p): Make static, change interface.
2703 (flags_from_decl_or_type, try_to_integrate): Break out from ...
2704 (expand_call) ... here; convert number of variables to flags.
2705 (emit_library_call_vlue_1): Likewise.
2706 (setjmp_call_p): New function.
2707 (initialize_argument_information): Accepts flags as argument;
2709 (precompute_arguments): Likewise.
2710 * tree.h (special_function_p): Remove.
2711 (setjmp_call_p): Add prototype.
2713 2000-04-04 Jakub Jelinek <jakub@redhat.com>
2715 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
2716 so that addresses are offsetable by up to 16 bytes.
2717 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
2718 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
2721 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
2722 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
2723 (movsf): Don't force any constant to memory if target is integer
2725 Move fp_zero_operand check below the const0_rtx check.
2726 (movtf): Likewise. Also allow fp_zero_operand for stores into
2728 (movdf): Likewise. Also allow fp_zero_operand for stores into
2729 memory and into integer hard registers.
2730 (clear_df, clear_dfp, movdf_const_intreg_sp32,
2731 movdf_const_intreg_sp64): Remove.
2732 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
2734 (movdf_no_e_insn_v9_sp32): New pattern.
2735 (movdf_insn_v9only): Remove.
2736 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
2737 (movdf_insn_sp64): Remove.
2738 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
2739 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
2740 (following splits): Rewrite conditions. Add two new splits
2741 for storing 0.0 into memory and registers.
2742 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
2743 (movtf_insn_sp32): Redo constraints and conditions.
2744 (movtf_insn_vis_sp32): New pattern.
2745 (movtf_no_e_insn_sp32): Redo constraints and conditions.
2746 (movtf_insn_hq_sp64): Likewise.
2747 (movtf_insn_hq_vis_sp64): New pattern.
2748 (movtf_insn_sp64): Redo constraints and conditions.
2749 (movtf_insn_vis_sp64): New pattern.
2750 (movtf_no_e_insn_sp64): Redo constraints and conditions.
2751 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
2753 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
2754 -mvis or -m64 to take down the number of various reload patterns.
2756 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
2758 * pa/pa-64.h: New file.
2759 * pa/pa64-regs.h: New file.
2760 * pa/pa64-start.h: New file.
2761 * pa/t-pa64: New file.
2762 * pa/xm-pa64hpux.h: New file.
2764 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2766 * sparc.c (output_restore_regs): Prototype.
2767 (sparc_emit_float_lib_cmp): Constification.
2769 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
2771 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
2774 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
2775 (get_value_hash, hash_rtx): Likewise.
2777 * ssa.c (compute_conservative_reg_partition): Prototype.
2779 * tree.c (mark_hash_entry): Prototype.
2781 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
2783 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
2784 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
2785 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
2787 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
2788 * objc/lang-specs.h: Likewise.
2790 2000-04-03 Neil Booth <NeilB@earthling.net>
2792 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
2793 and SYNTAX_ERROR2. Replace `' in messages with ''.
2794 (op_to_str): Make re-entrant.
2795 (_cpp_parse_expr): Implement new error macros. Use | rather
2796 than || to logically or 2 boolean integers. Simply expression
2797 checking we have a left operand iff needed.
2799 2000-04-03 Nick Clifton <nickc@cygnus.com>
2801 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
2803 2000-04-03 Philip Blundell <philb@gnu.org>
2805 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
2807 2000-04-03 Felix Lee <flee@cygnus.com>
2809 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
2810 (run_shell): Use it.
2812 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
2814 * Makefile.in (stmp-int-hdrs): Make include subdir here...
2815 (stmp-fixproto): ...rather than here.
2817 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
2819 * pa.c (print_operand): Compute 'base' only inside the code paths
2822 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
2824 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
2827 2000-04-03 Philipp Thomas <pthomas@suse.de>
2829 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
2831 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
2833 * Makefile.in (alias.o): Depend on $(TREE_H).
2835 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
2837 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
2839 * cpplib.c (_cpp_handle_directive): Improve warnings for
2840 traditional C and indented directives.
2842 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
2843 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
2844 fixinc/inclhack.def: Indent the # of #include_next one space.
2845 * cp/rtti.c: Un-indent #if and #endif.
2847 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
2848 syntax error, but an error has already been printed.
2849 * cpplex.c (_cpp_parse_assertion): Give a more specific error
2850 message when called with nothing remaining on the line.
2851 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
2852 OTHER token, not an ASSERTION.
2853 * cpplib.c (do_assert): When we create a 'base' node, clear
2854 its aschain pointer.
2856 2000-04-02 Neil Booth <NeilB@earthling.net>
2858 * cppexp.c: New typedef op_t. struct operation and struct
2859 token updated to use it.
2860 (op_to_str): New function.
2861 (_cpp_parse_expr): Error messages modified to use op_to_str.
2863 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2865 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
2866 before checking MUST_PASS_IN_STACK.
2868 2000-04-02 Neil Booth <NeilB@earthling.net>
2870 * cppexp.c: New FINISHED dummy token. Combine operator initial
2871 flags and initial priority into a single constant. New
2872 EQUALITY macro. New operator flag SHORT_CIRCUIT.
2873 (_parse_cpp_expr): Implement new constants. Take left operand
2874 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
2875 parse indicated by reducing FINISHED token. Remove new lines
2876 from cpp_error messages.
2878 2000-04-01 Mark Mitchell <mark@codesourcery.com>
2880 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
2883 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
2885 * cpplib.c: Include symcat.h. Add 'origin' field to struct
2886 directive. Add origin values to DIRECTIVE_TABLE. Generate
2887 the strings and function names on the fly. Take the #sccs
2888 entry out of the table if SCCS_DIRECTIVE is not defined.
2889 (_cpp_handle_directive): Decide if the # was at the beginning
2890 of the line here. Issue -pedantic warnings for extended
2891 directives here. Warn about K+R directives with the #
2892 indented, and C89/extended directives with the # not indented,
2894 (do_import, do_include_next, do_warning, do_ident, do_sccs,
2895 do_assert, do_unassert): Don't issue pedantic warning here.
2897 * cpphash.h: Add CPP_WTRADITIONAL macro.
2898 * cpplib.h (struct cpp_options): Rename warn_stringify to
2899 warn_traditional; update comments.
2900 * cppinit.c (handle_option): Set warn_traditional not
2902 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
2903 CPP_WTRADITIONAL (pfile).
2904 * cpplex.c (_cpp_lex_token): Don't decide if directives should
2905 be ignored in -traditional mode here.
2907 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
2908 to initialize speccase[] and trigraph_map[]. Delete all
2909 references to pfile->input_speccase. Always treat '?' as a
2910 special character. Remove table-initialization code from
2911 _cpp_init_input_buffer.
2913 * cpplib.h (struct cpp_reader): Remove input_speccase field.
2914 * cppinit.c (cpp_cleanup): Don't free input_speccase.
2916 2000-04-01 Richard Henderson <rth@cygnus.com>
2918 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
2919 (mostlyclean): Likewise.
2921 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
2922 (struct dump_file_info, enum dump_file_index, dump_file): New.
2923 (open_dump_file): Take a dump_file_index not a suffix, and a decl
2924 not a string. Clean out file if we havn't yet done so. Do nothing
2925 if the dump isn't enabled.
2926 (close_dump_file): Do nothing if the dump isn't open. Dump
2927 graph data if requested.
2928 (dump_rtl, clean_dump_file): Remove.
2929 (compile_file): Don't clean the dump files. Only finalize .bp dump
2930 if flag_test_coverage or flag_branch_probabilities. Only finalize
2931 .combine dump if optimizing. Iterate over dump_file to finalize the
2933 (rest_of_compilation): Update for open_dump_file/close_dump_file.
2934 Convert all uses of dump_rtl.
2935 (decode_d_option): Iterate over dump_file to implement 'a' and to
2936 locate pass-specific dumps.
2938 2000-04-01 Neil Booth <NeilB@earthling.net>
2940 * cppexp.c: Redefine priority constants.
2941 (_cpp_parse_expr): Replace left and right priority scheme with
2942 single priority logic. Move LOGICAL to same place as COMPARE.
2943 Remove bogus check for multiple unary +/- operators.
2945 2000-04-01 Neil Booth <NeilB@earthling.net>
2947 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
2948 within the switch statement. Binary operations break out of
2949 the switch naturally. '(' tokens handled by forcing
2950 immediate shift. ')' handled by forcing immediate reduce to
2951 the previous '('. New error messages.
2953 2000-03-31 Geoff Keating <geoffk@cygnus.com>
2955 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
2956 part', it's already in use. Use %K instead. Add a return at the
2957 end of what is now %K.
2958 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
2960 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
2962 * builtins.c (expand_builtin_apply): Pass proper parameters to
2963 allocate_dynamic_stack_space.
2964 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
2965 update stack_pointer_delta; do not update arg_size_so_far.
2966 (compute_argument_block_size): Use stack_delta instead of
2967 stack_pointer_pending and arg_size_so_far.
2968 (expand_call): Add sanity checking for stack_pointer_delta;
2969 save and restore stack_pointer_delta for SIB, use
2970 stack_pointer_delta for alignment; do not update arg_space_so_far.
2971 (emit_library_call_value): Use stack_pointer_delta for alignment.
2972 (store_one_arg): Do not update arg_space_so_far.
2973 * explow.c (adjust_stack, anti_adjust_stack): Update
2974 stack_pointer_delta.
2975 (allocate_dynamic_stack_space): Add sanity checking for
2976 stack_pointer_delta.
2977 * expr.c (init_expr, clear_pending_stack_adjust): Clear
2978 stack_pointer_delta.
2979 (emit_push_insn): Update stack_pointer_delta.
2980 * function.h (struct expr_status): Add x_stack_pointer_delta;
2981 remove x_arg_space_so_far.
2982 (arg_space_so_far): Remove.
2983 (stack_pointer_delta): New macro.
2985 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
2987 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
2988 Reorder struct cpp_options and struct cpp_reader for better
2989 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
2990 takes two args. Change all 'char' flags to 'unsigned char'.
2991 Move show_column flag into struct cpp_options. Don't
2992 prototype cpp_options_init.
2993 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
2994 cppinit.c, cpplex.c, cpplib.c:
2995 Replace CPP_OPTIONS (pfile)->whatever with
2996 CPP_OPTION (pfile, whatever), and likewise for
2997 opts = CPP_OPTIONS (pfile); ... opts->whatever;
2999 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3000 Extract CPP_OPTION (pfile, pending) and work with that
3002 (cpp_options_init): Delete.
3003 (cpp_reader_init): Turn on on-by-default options here.
3004 Allocate the pending structure here.
3005 (cl_options, enum opt_code): Define these from the same table,
3006 kept in a large macro. Add -fshow-column and -fno-show-column
3009 * cpperror.c (v_message): If show_column is off, don't print
3012 * cppmain.c: Update for new interface.
3013 * fix-header.c: Likewise.
3015 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3017 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3019 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3020 are passed to any invocation of AR_FOR_TARGET.
3021 (AR_CREATE_FOR_TARGET): New macro.
3022 (AR_EXTRACT_FOR_TARGET): New macro.
3023 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3024 AR_EXTRACT_FOR_TARGET.
3025 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3026 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3027 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3028 AR_EXTRACT_FOR_TARGET to sub-makes.
3030 2000-03-31 Neil Booth <NeilB@earthling.net>
3032 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3034 (_cpp_parse_expr): Check for multiple unary +/- operators.
3035 Correct priorities of ':' and '?'. Treat ')' as having a
3036 value. Ensure conditional expression is not void.
3038 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3040 * alias.c (canon_rtx): Make it global.
3041 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3043 * cse.c (struct table_elt): Add canon_exp.
3045 (invalidate): Canonicalize expressions only once.
3046 * rtl.h (canon_rtx): Declare.
3048 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3050 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3051 * alias.c (reg_known_value): Add comments.
3052 (init_alias_analysis): Likewise.
3053 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3055 (cse_basic_block): Fix typo in comment.
3056 * emit-rtl.c: Include hashtab.h.
3057 (const_int_htab): New variable.
3058 (const_int_htab_hash): New function.
3059 (const_int_htab_eq): Likewise.
3060 (rtx_htab_mark_1): Likewise.
3061 (rtx_htab_mark): Likewise.
3062 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3063 (unshare_all_rtx): Fix formatting.
3064 (init_emit_once): Initialize const_int_htab.
3065 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3067 * rtl.texi: Document the fact that all CONST_INTs with the same
3070 2000-03-30 Richard Henderson <rth@cygnus.com>
3072 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3074 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3076 * configure.in: Comment out --enable-c-cpplib stanza.
3077 * configure: Regenerate.
3079 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3081 * expr.c (store_constructor): Properly compute displacement and
3082 alignment when offset is variable.
3084 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3085 cases of alignment in bytes.
3087 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3089 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3090 since it is used to generate c-parse.y.
3091 * objc-parse.c, objc-parse.y: Regenerated.
3093 * function.c (expand_function_end): Pass alignment argument to
3094 emit_block_move in bits, not bytes.
3096 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3098 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3101 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3103 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3104 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3105 * function.c (assign_parms): Likewise.
3106 * integrate.c (expand_inline_function): Likewise.
3107 * stmt.c (expand_decl): Likewise.
3108 (copy_rtx_and_substitute): Likewise.
3109 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3110 (clear_by_pieces): Fix error in last change.
3111 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3112 * function.h (regno_pointer_align): Now unsigned.
3113 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3115 * config/i386/i386.c (aligned_operand): Likewise.
3116 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3117 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3118 (unaligned_memory_operand): Likewise.
3119 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3120 Also make alignments and sizes unsigned and some whitespace cleanup.
3121 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3123 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3124 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3125 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3126 (expand_builtin_memset): Likewise, but to clear_storage.
3127 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3128 (restore_fixed_argument_area): Likewise.
3129 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3130 (load_register_parameters): Likewise, to emit_group_load.
3131 (expand_call): Likewise, to emit_group_store and emit_block_move.
3132 (emit_library_call_value_1): Likewise, to emit_block_move.
3133 (store_one_arg): Likewise, and to emit_push_insn.
3134 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3135 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3136 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3137 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3138 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3139 (expand_assigment, store_expr, store_constructor_field): Likewise.
3140 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
3141 (store_constructor, store_field, get_inner_reference): Likewise.
3142 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
3143 (expand_expr, case COMPONENT_REF): Likewise.
3144 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
3145 and positions; reindent code.
3146 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
3147 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
3148 (assign_parms): Likewise to emit_group_store.
3149 * optabs.c (prepare_cmp_insn): Alignment is in bits.
3150 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
3151 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
3152 (expand_return): Likewise to {extract,store}_bit_field.
3153 * stor-layout.c (get_mode_alignment): Minor cleanup.
3154 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
3155 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
3157 2000-03-29 Nick Clifton <nickc@cygnus.com>
3159 * config/arm/arm.h: Undo effects of previous delta:
3160 (ASM_SPEC): Do not define.
3161 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
3163 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
3166 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3168 * cppinit.c (cpp_start_read): Call initialize_dependency_output
3169 only after reading in the primary source file.
3171 2000-03-29 Geoff Keating <geoffk@cygnus.com>
3173 * c-common.c (c_common_nodes_and_builtins): The first parameter to
3174 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
3175 or a reference to a va_list.
3176 * builtins.c (stabilize_va_list): Simplify now we don't have to
3177 work around C array address decay.
3178 * c-typeck.c (convert_for_assignment): Handle assignment to
3179 a reference parameter by taking the address of the RHS.
3180 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
3181 (va_copy): Likewise.
3182 (__va_copy): Likewise.
3183 * ginclude/varargs.h (va_start): Likewise.
3184 (__va_copy): Likewise.
3186 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
3188 * i386/djgpp.h: Remove extraneous "+".
3190 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
3192 * calls.c (expand_call): Fix typo in last change.
3194 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
3196 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
3199 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3201 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
3202 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
3203 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
3204 * tree.c (bit_position, byte_position): Likewise.
3205 * tree.h: Declare new functions.
3207 2000-03-29 Nick Clifton <nickc@cygnus.com>
3209 * config/arm/arm.c: Minor formatting changes/
3210 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
3212 (ASM_SPEC): Define if not already defined.
3214 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
3216 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
3219 2000-03-29 Jakub Jelinek <jakub@redhat.com>
3221 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
3222 value, don't output it as unsigned.
3224 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
3226 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
3228 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3230 * c-common.c (c_common_nodes_and_builtins): Don't special case
3231 cplus_mode when declaring builtin bzero/bcmp, always avoid
3232 prototype arguments.
3234 2000-03-29 Bruce Korb <bkorb@gnu.org>
3236 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
3239 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
3241 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
3242 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
3243 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
3244 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
3245 (save_fixed_argument_area, restore_fixed_argument_area):
3246 conditionize by #ifdef REG_PARM_STACK_SPACE only.
3247 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
3248 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
3249 (precompute_register_parameters): Avoid #ifdefs on
3250 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
3251 (stire_one_args): Likewise.
3252 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
3253 (emit_library_call_value_1): Likewise.
3254 (compute_argument_block_size): Align to STACK_BOUNDARY only for
3255 ACCUMULATE_OUTGOING_ARGS.
3256 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
3258 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
3259 (use_crosses_set_p): Likewise.
3260 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
3261 #define ACCUMULATE_OUTGOING_ARGS 1.
3262 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
3264 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
3266 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
3267 (TARGET_SWITCHES): Add push-args, no-push-args,
3268 accumulate-outgoing-args and no-accumulate-outgoing-args.
3269 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
3270 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
3271 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
3273 (emit_push_insn): Likewise.
3274 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3275 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
3276 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
3277 (STACK_DYNAMIC_OFFSET): Define correctly for both
3278 ACCUMULATE_OUTGOING_ARGS and normal mode.
3279 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
3280 * tm.texi (PUSH_ARGS): Document.
3281 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
3283 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
3285 * flags.h (flag_optimize_sibling_calls): Declare.
3286 * calls.c (expand_call): Fail sibcall when
3287 !flag_optimize_sibling_calls
3288 * invoke.texi (flag_optimize_sibling_calls): Document.
3289 * toplev.c (flag_optimize_sibling_calls): New global variable.
3290 (f_options): Add flag_optimize_sibling_calls.
3291 (rest_of_compilation): Conditionize
3292 optimize_sibling_and_tail_recursive_calls by
3293 flag_optimize_sibling_calls.
3294 (main): Set flag_optimize_sibling_calls for -O2.
3295 * stmt.c (expand_return): Conditionize tail recursion by
3296 flag_optimize_sibling_calls.
3298 2000-03-29 Richard Henderson <rth@cygnus.com>
3300 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
3301 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
3303 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
3305 * except.c (add_eh_table_entry): Mark type_info's as referenced.
3307 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3309 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
3311 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
3312 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
3313 * config/rs6000/aix.h: then modified likewise.
3315 2000-03-28 Richard Henderson <rth@cygnus.com>
3317 * rtl.h: Redistribute enum reg_note documentation.
3318 Kill trailing whitespace.
3319 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
3320 Kill trailing whitespace.
3322 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
3324 * cppfiles.c (hash_IHASH): Just return i->hash.
3325 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
3326 htab_find_with_hash.
3327 (cpp_read_file): Likewise.
3328 (find_include_file): Likewise. Properly initialize
3329 ih->nshort. Share ih->name and ih->nshort if possible.
3330 * cpphash.c (_cpp_calc_hash): New function.
3331 (hash_HASHNODE): Just return h->hash.
3332 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
3333 htab_find_with_hash.
3334 * cpphash.h: Prototype _cpp_calc_hash.
3335 * cppinit.c (initialize_builtins): Provide a valid hash
3336 to _cpp_make_hashnode, using _cpp_calc_hash.
3338 * cpphash.c (collect_expansion): # is not a special character
3339 in object-like macros. In -traditional mode, /**/ is not
3340 token paste at the beginning or end of the line.
3341 * cpplib.c (do_include, do_import, do_include_next): If
3342 parse_include fails, return immediately.
3344 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
3346 * config/arm/arm.md (return peepholes): Update to reflect the new
3348 * config/arm/arm.c (arm_volatile_func): Also check
3349 current_function_nothrow.
3350 (output_return_instruction, output_func_prologue): Use it.
3351 (arm_output_epilogue, arm_expand_prologue): Likewise.
3353 2000-03-27 Tom Tromey <tromey@cygnus.com>
3355 * gcc.c (handle_braces): In {x*...} case, break out of loop if
3358 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3360 * expr.c (store_constructor): SIZE now signed.
3361 For EXPR_SIZE, don't evaluate size; just needed if constant.
3362 * fold-const.c (fold): Fix a number of cases when folded tree is
3364 * function.c (flush_addressof): Reenable.
3365 * tree.h (flush_addressof): Likewise.
3366 * toplev.c (independent_decode_option): Look at strings_processed.
3367 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
3369 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
3371 * sibcall.c (indentify_call_return_value): Find last call in the chain;
3372 Allow stack adjustment after function call.
3374 * regmove.c (struct csa_memlist): Make mem field rtx *.
3375 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
3376 (try_apply_stack_adjustment): Replace whole MEM rtx.
3377 (combine_stack_adjustments_for_block): Update calls
3378 to record_one_stack_ref.
3380 2000-03-28 Neil Booth <NeilB@earthling.net>
3382 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
3383 '\\' rather than a null character, so nulls are not special. Fix
3384 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
3385 speed trigraph conversion.
3386 (_cpp_init_input_buffer): Initialize trigraph map.
3388 2000-03-27 Alan Modra <alan@linuxcare.com.au>
3390 * config/i386/i386.c (output_387_binary_op): Correct intel
3391 mode assembly output, and add spaces after commas in AT&T
3392 output. Correct Unixware assembler comment. Document input
3393 constraints. Comment fp operations. Reduce profligate buffer
3394 size. Remove extraneous abort. Localize temp var.
3395 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
3396 (output_fix_trunc): Add spaces after commas in assembly output.
3398 2000-03-27 Richard Henderson <rth@cygnus.com>
3400 * i386-protos.h (ix86_match_ccmode): Declare.
3401 * i386.c (ix86_match_ccmode): New.
3402 (ix86_expand_fp_compare): Update for pattern renames.
3403 (ix86_expand_strlensi_unroll_1): Likewise.
3404 * i386.h (EXTRA_CC_MODES): Add CCZ.
3405 (SELECT_CC_MODE): Use it for EQ/NE zero.
3406 * i386.md (cmpsi_ccz_1): New.
3408 (*testsi_ccz_1): New.
3409 (testqi_ccz_1): New.
3410 (cmpsi_ccno_1): Rename from cmpsi_0.
3411 (testsi_ccno_1): Rename from testsi_1.
3412 (testqi_ccno_1): Rename from testqi_1.
3413 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
3414 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
3415 (*cmphi_0): Use ix86_match_ccmode.
3416 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
3417 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
3418 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
3419 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
3420 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
3421 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
3422 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
3423 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
3424 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
3425 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
3426 (appropriate peepholes): Likewise.
3427 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
3428 (*subsi_3, *subhi_3, *subqi_3): Remove.
3429 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
3430 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
3431 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
3432 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
3433 (x86_shift_adj_1): Use CCZ.
3434 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
3436 2000-03-27 Stan Cox <scox@cygnus.com>
3438 * resource.h (mark_resource_type): New.
3439 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
3440 find_free_register): Use mark_resource_type.
3441 (mark_set_resources): Change include_delayed_effects
3442 to mark_resource_type.
3443 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
3444 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
3445 Use mark_resource_type.
3447 2000-03-27 Richard Henderson <rth@cygnus.com>
3449 * i386.md (call_pop_0, call_value_pop_0): New.
3450 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
3451 (call_value_pop_1): Likewise.
3452 (call_0, call_value_0): New.
3453 (call_1, call_value_1): Remove constraint from unused arg.
3455 2000-03-27 Nick Clifton <nickc@cygnus.com>
3457 * invoke.texi (Spec Files): Document new spec % command created by
3458 Tom Tromey's recent patch.
3460 2000-03-27 Jakub Jelinek <jakub@redhat.com>
3462 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
3465 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3467 * expr.c (expand_assignment): Fix typo in last change.
3469 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
3471 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3473 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
3474 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
3475 and DECL_INLINE if FUNCTION_DECL.
3476 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
3477 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
3478 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
3479 (combine_parm_decls): Likewise.
3480 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
3481 * print-tree.c (print_node): Likewise.
3482 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
3483 DECL_TRANSPARENT_UNION on proper decl types.
3484 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
3485 * stor-layout.c (layout_decl): Only check DECL_PACKED and
3486 DECL_BIT_FIELD of FIELD_DECL.
3487 * tree.h (DECL_RESULT_FLD): New macro.
3489 * expr.c (expand_assignment): Add code to handle variable-sized
3492 2000-03-26 Richard Henderson <rth@cygnus.com>
3494 * calls.c (expand_call): Pass parms not original exp to
3495 optimize_tail_recursion. Mind return value instead of looking
3497 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
3498 call_expr. Move checks for call_expr and current_function_decl ...
3499 (expand_return): ... here.
3501 2000-03-26 Tom Tromey <tromey@cygnus.com>
3503 * gcc.c (handle_braces): Recognize `%{<S}' construct.
3504 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
3506 (process_command): Use them.
3507 (check_live_switch): Likewise.
3508 (give_switch): Skip ignored switches.
3510 2000-03-26 Jan Hubicka <jh@suse.cz>
3512 * jump.c (jump_optimize_1): Fix typo in elide optimizations
3513 for minimal jump pass test.
3515 2000-03-26 Mark Mitchell <mark@codesourcery.com>
3517 * integrate.c (function_cannot_inline_p): Do inline functions that
3520 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3522 * stor-layout.c (layout_type, set_sizetype): early_type_list is
3523 now a list of TREE_LIST entries, not types.
3524 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
3526 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
3527 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
3529 * config/mips/mips.c (function_arg): Likewise; also remove cast
3530 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
3531 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
3532 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
3533 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
3534 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
3535 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
3536 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
3537 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
3538 num_adjusts now unsigned.
3539 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
3540 * config/sparc/sparc.c (struct function_arg_record_value_parms):
3542 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
3543 as is BITPOS variable; use host_integerp and int_bit_position.
3544 (function_arg_record_value_2): Likewise.
3545 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
3546 Variable REGNO now unsigned.
3547 (function_arg_record_value): NREGS now unsigned.
3549 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
3551 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
3553 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3555 * Rework fields used to describe positions of bitfields and
3556 modify sizes to be unsigned and use HOST_WIDE_INT.
3557 * alias.c (reg_known_value_size): Now unsigned.
3558 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
3559 (really_start_incremental_init): Use bitsize_zero_node.
3560 (push_init_level, pop_init_level, output_init_element): Likewise.
3561 Use bitsize_unit_node and bitsize_one_node.
3562 (output_pending_init_elements, process_init_element): Likewise.
3563 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
3564 (make_extraction): Position and length HOST_WIDE_INT and unsigned
3565 HOST_WIDE_INT, respectively.
3566 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
3567 (num_sign_bit_copies): Returns unsigned.
3568 BITWIDTH now unsigned; rework arithmetic.
3569 Remove recursive call from arg to MAX.
3570 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
3571 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
3573 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
3574 (find_split_point, expand_compound_operation, make_extraction): LEN
3575 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
3576 (make_field_assignment): Likewise.
3577 (combine_simplify_rtx): Add cast.
3578 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
3579 (force_to_mode): WIDTH now unsigned; add cast.
3580 (if_then_else_cond): SIZE now unsigned.
3581 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
3582 (extended_count): Now returns unsigned.
3583 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
3584 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
3585 (simplify_comparison): MODE_WIDTH now unsigned.
3586 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
3587 (mark_used_regs_combine): Likewise; rework arithmetic.
3588 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
3589 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
3590 (record_promoted_value): REGNO now unsigned.
3591 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
3592 (get_last_value): REGNO now unsigned.
3593 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
3594 (reg_dead_regno, reg_dead_endregno): Now unsigned.
3595 (remove_death): Arg REGNO now unsigned.
3596 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
3597 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
3599 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
3600 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
3601 (struct cse_reg_info): REGNO now unsigned.
3602 (cached_regno): Now unsigned.
3603 (REGNO_QTY_VALID_P): Add cast.
3604 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
3605 (remove_invalid_regs): Likewise.
3606 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
3607 as are variables END and I.
3608 (get_cse_reg_info, insert): Likewise.
3609 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
3610 (canon_hash): Likewise.
3611 (insert_regs, lookup_for_remove): REGNO now unsigned.
3612 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
3614 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
3615 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
3616 * emit-rtl.c (subreg_realpart_p): Add cast.
3617 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
3618 (operand_subword_force): Arg I is now unsigned.
3619 * except.c (eh_regs): Variable I is now unsigned.
3620 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
3621 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
3622 length is unsigned HOST_WIDE_INT; likewise for internal variables.
3623 (store_split_bit_field, extract_fixed_bit_field): Likewise.
3624 (extract_split_bit_field, store_bit_field, extract_bit_field):
3626 * expr.c (store_constructor_fields, store_constructor, store_field):
3627 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
3628 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
3629 (do_jump): Likewise.
3630 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
3631 MAX_SIZE is now unsigned.
3632 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
3633 (emit_group_store): Likewise.
3634 (emit_move_insn): I now unsigned.
3635 (store_constructor): Use host_integerp, tree_low_cst, and
3637 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
3638 Rework all calculations to use trees and new fields.
3639 * expr.h (promoted_input_arg): Regno now unsigned.
3640 (store_bit_field, extract_bit_field): Adjust types of pos and size.
3641 (mark_seen_cases): Arg is HOST_WIDE_INT.
3642 * flow.c (verify_wide_reg_1): REGNO now unsigned.
3643 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
3644 precisions and alignments are unsigned.
3645 (optimize_bit_field_compare, fold_truthop): Likewise.
3646 (int_const_binop): Adjust threshold for size_int_type_wide call.
3647 (fold_convert): Likewise.
3648 (size_int_type_wide): Make table larger and fix thinko that only
3649 had half of table used.
3650 (all_ones_mask_p, fold): Precisions are unsigned.
3651 * function.c (put_reg_info_stack): REGNO is unsigned.
3652 (instantiate_decl): Size is HOST_WIDE_INT.
3653 (instantiate_virtual_regs): I is unsigned.
3654 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
3655 (promoted_input_arg): REGNO is unsigned.
3656 * function.h (struct function): x_max_parm_reg is now unsigned.
3657 * gcse.c (max_gcse_regno): Now unsigned.
3658 (struct null_pointer_info): min_reg and max_reg now unsigned.
3659 (lookup_set, next_set): REGNO arg now unsigned.
3660 (compute_hash_table): REGNO and I now unsigned.
3661 (handle_avail_expr): regnum_for_replacing now unsigned.
3662 (cprop_insn): REGNO now unsigned.
3663 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
3664 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
3665 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
3666 * hard-reg-set.h (reg_class_size): Now unsigned.
3667 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
3668 * jump.c (mark_modified_reg): I now unsigned; add cast.
3669 (rtx_equal_for_thread_p): Add cast.
3670 * loop.c (max_reg_before_loop): Now unsigned.
3671 (struct_movable): REGNO now unsigned.
3672 (try_copy_prop): REGNO arg unsigned.
3673 (regs_match_p): XN and YN now unsigned.
3674 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
3675 (strength_reduce): Likewise; NREGS also unsigned.
3676 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
3677 * loop.h (struct iv_class): REGNO now unsigned.
3678 (max_reg_before_loop, first_increment_giv, last_increment_giv):
3680 * machmode.h (mode_size, mode_unit_size): Now unsigned.
3681 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
3682 * optabs.c (expand_binop): I and NWORDS now unsigned.
3683 (expand_unop): I now unsigned.
3684 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
3685 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
3686 * real.c (significand_size): Now returns unsigned.
3687 * real.h (significand_size): Likewise.
3688 * regclass.c (reg_class_size): Now unsigned.
3689 (choose_hard_reg_mode): Both operands now unsigned.
3690 (record_reg_classes): REGNO and NR now unsigned.
3691 (reg_scan): NREGS now unsigned.
3692 (reg_scan_update): old_max_regno now unsigned.
3693 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
3694 * reload.c (find_valid_class): BEST_SIZE now unsigned.
3695 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
3696 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
3697 Likewise for variable R.
3698 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
3699 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
3700 (find_equiv_reg): Add casts.
3701 (regno_clobbered_p): Arg REGNO now unsigned.
3702 * reload.h (struct reload): NREGS now unsigned.
3703 (refers_to_regno_for_reload_p): Regno args are unsigned.
3704 (regno_clobbered_p): Likewise.
3705 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
3706 (compute_use_by_pseudos): REGNO now unsigned.
3707 (find_reg): I and J now unsigned, new variable K, and change loop
3708 variables accordingly; THIS_NREGS now unsigned.
3709 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
3710 (spill_hard_reg): REGNO arg now unsigned; add casts.
3711 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
3712 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
3713 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
3714 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
3715 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
3716 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
3717 (emit_reload_insns): REGNO now unsigned.
3718 (reload_cse_move2add): Add cast.
3719 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
3721 * resource.c (mark_referenced_resources, mark_set_resources): New
3722 variable R; REGNO and LAST_REGNO now unsigned.
3723 (mark_target_live_regs): J and REGNO now unsigned.
3724 * rtl.c (mode_size, mode_unit_size): Now unsigned.
3725 * rtl.h (union rtunion_def): New field rtuint.
3726 (XCUINT): New macro.
3727 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
3728 (operand_subword, operand_subword_force): Word number is unsigned.
3729 (choose_hard_reg_mode): Operands are unsigned.
3730 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
3731 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
3732 (regno_use_in, combine_instructions, remove_death): Likewise.
3733 (reg_scan, reg_scan_update): Likewise.
3734 (extended_count): Return is unsigned.
3735 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
3736 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
3737 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
3738 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
3739 (reg_reg_last_1): FIRS and LAST now unsigned.
3740 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
3741 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
3743 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
3744 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
3745 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
3746 (replace_regs): Arg NREGS now unsigned.
3747 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
3748 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
3749 (simplify_binary_operation): Likewise.
3750 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
3751 THIS_LAST now unsigned.
3752 (cselib_record_set): Add cast.
3753 * ssa.c (ssa_max_reg_num): Now unsigned.
3754 (rename_block): REGNO now unsigned.
3755 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
3757 (all_cases_count): Just return -1 not -2.
3758 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
3759 Rework tests to use trees whenever possible.
3760 Use host_integerp and tree_low_cst.
3761 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
3762 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
3763 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
3764 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
3765 (smallest_mode_for_size): Likewise.
3766 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
3767 KNOWN_ALIGN is now an alignment, so simplify code.
3768 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
3769 (start_record_layout): Renamed from new_record_layout_info.
3770 Update to new fields.
3771 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
3773 (place_union_field): Renamed from layout_union_field.
3774 Update to use new fields in rli.
3775 (place_field): Renamed from layout_field.
3776 Major rewrite to use new fields in rli; pass alignment to layout_decl.
3777 (finalize_record_size): Rework to use new fields in rli and handle
3779 (compute_record_mode): Rework to simplify and to use new DECL fields.
3780 (finalize_type_size): Make rounding more consistent.
3781 (finish_union_layout): Deleted.
3782 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
3783 (layout_type, case RECORD_TYPE): Call new function names.
3784 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
3785 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
3786 (get_best_mode): UNIT is now unsigned; remove casts.
3787 * tree.c (bit_position): Compute from new fields.
3788 (byte_position, int_byte_position): New functions.
3789 (print_type_hash_statistics): Cast to remove warning.
3790 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
3791 (build_index_type): Likewise; make subtype of sizetype.
3792 (build_index_2_type): Pass sizetype to build_range_type.
3793 (build_common_tree_nodes): Use size_int and bitsize_int to
3794 initialize nodes; add bitsize_{zero,one,unit}_node.
3795 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
3796 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
3797 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
3798 (DECL_FIELD_BITPOS): Deleted.
3799 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
3800 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
3801 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
3802 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
3803 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
3804 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
3805 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
3806 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
3807 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
3808 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
3809 (DECL_ALIGN): Adjust to new field in union.
3810 (DECL_OFFSET_ALIGN): New field.
3811 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
3812 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
3813 (union tree_decl): Add struct for both aligns.
3814 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
3815 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
3816 (struct record_layout_info): Rework fields to have offset
3817 alignment and byte and bit position.
3818 (start_record_layout, place_field): Renamed from old names.
3819 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
3820 (byte_position, int_byte_position): Likewise.
3821 (get_inner_reference): Change types of position and length.
3822 * unroll.c (unroll_loop): New variable R; use for some loops.
3823 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
3824 (calculate_giv_inc): Arg REGNO now unsigned.
3825 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
3826 * varasm.c (assemble_variable): Clean up handling of size using
3827 host_integerp and tree_low_cst.
3828 (decode_addr_const): Use byte, not bit, position.
3829 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
3830 use tree_low_cst and int_bit_position.
3831 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
3833 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
3835 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
3836 (reorder_block_def): New members eff_head and eff_end.
3837 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
3838 (verify_insn_chain): New function.
3839 (skip_insns_between_block): Add code to skip deleted insns.
3840 Check for note before using.
3841 (chain_reorder_blocks): Replace calls to skip_insns_between_block
3842 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
3843 Check for note before using.
3844 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
3845 (fixup_reorder_chain): Restructure, clean up, defect removal.
3846 (reorder_basic_blocks): Remove last_insn and references to it.
3847 Moved insn chain verification code into a new function (see above).
3848 Delete defective code that sets last insn.
3849 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
3852 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3854 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
3856 2000-03-24 Richard Henderson <rth@cygnus.com>
3858 * tree.c (lang_safe_for_unsave): Remove.
3859 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
3860 allowing for two levels of unsafeness. Remove lang hook.
3861 * tree.h: Update declarations.
3862 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
3863 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
3864 Always fail sibcalls when there are pending cleanups.
3866 2000-03-24 Geoff Keating <geoffk@cygnus.com>
3868 * flow.c (propagate_block): When we delete an ADDR_VEC,
3869 also delete the BARRIER following it if there is one.
3871 2000-03-24 Richard Henderson <rth@cygnus.com>
3873 * builtins.c (expand_builtin_bzero): Convert `length' argument
3876 2000-03-24 Jakub Jelinek <jakub@redhat.com>
3878 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
3879 comparison if regno's are equal.
3880 * calls.c (initialize_argument_informat): Add ecf_flags argument.
3881 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
3882 (expand_call): Update caller.
3883 Avoid making a sibling call if argument size of the callee is larger
3884 than argument size of the caller.
3885 Call hard_function_value with outgoing set if in sibcall pass.
3886 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
3888 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
3889 Change LEAF_REGISTERS from an array initializer to actual array
3890 identifier. Move static global variable into the function.
3891 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
3892 sequences for leaf functions.
3893 * global.c (global_alloc): Likewise.
3894 * tm.texi (LEAF_REGISTERS): Update documentation.
3896 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
3897 TARGET_FLAT leaf disabling hack.
3898 (LEAF_REGISTERS): Changed from an array initializer to actual array
3899 identifier to avoid duplication and remove the above hack.
3900 (FUNCTION_OK_FOR_SIBCALL): Define.
3901 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
3902 always like call attribute.
3903 (eligible_for_sibcall_delay): New attribute.
3904 (sibcall): New delay type.
3905 (sibcall, sibcall_value, sibcall_epilogue): New expands.
3906 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
3907 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
3908 * config/sparc/sparc.c (sparc_leaf_regs): New array.
3909 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
3911 (output_function_epilogue): Move part of the code into
3912 output_restore_regs.
3913 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
3915 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
3918 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
3919 until infrastructure is finished.
3921 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
3923 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
3924 (save_parm_insns): Not here.
3926 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3928 * builtins.c (expand_builtin_bzero): New function.
3929 (expand_builtin): Handle bzero.
3931 * builtins.def: Add BUILT_IN_BZERO.
3933 * c-common.c (c_common_nodes_and_builtins): Provide builtin
3934 prototype & function for bzero.
3936 2000-03-23 Michael Meissner <meissner@redhat.com>
3938 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
3939 change adding TARGET_FP to the TF floating point insns, except for
3940 trunctfsf2, which generates direct calls to truncdfsf2.
3942 2000-03-23 Geoff Keating <geoffk@cygnus.com>
3944 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
3945 try to protect against middle-end changes that break binary
3947 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
3949 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3951 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
3953 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3955 * calls.c (expand_call): If TARGET is passed by reference and
3956 is readonly, write a CLOBBER.
3958 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3960 * builtins.c (expand_builtin): Handle bcmp.
3962 * builtins.def: Add BUILT_IN_BCMP.
3964 * c-common.c (c_common_nodes_and_builtins): Provide builtin
3965 prototype & function for bcmp.
3967 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
3969 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
3970 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
3971 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
3973 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
3975 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
3976 alternative when using -fp64 -gp32.
3978 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
3980 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
3981 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
3982 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
3984 * frame.h (frame_state): Revert last change.
3985 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
3986 * libgcc2.c (throw_helper): Revert last change.
3988 2000-03-22 Richard Henderson <rth@cygnus.com>
3990 * stmt.c (expand_asm_operands): Don't promote the temporary.
3992 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3994 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
3995 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
3996 c_get_alias_set): Likewise.
3997 * c-decl.c (duplicate_decls): Likewise.
3998 * c-typeck.c (default_conversion,build_unary_op): Likewise.
3999 * calls.c (initialize_argument_information): Likewise.
4000 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4002 * dwarfout.c (decl_class_context,output_type): Likewise.
4003 * expr.c (get_inner_reference): Likewise.
4004 * fold-const.c (simple_operand_p,fold): Likewise.
4005 * function.c (aggregate_value_p): Likewise.
4006 * stmt.c (expand_asm_operands): Likewise.
4007 * varasm.c (named_section): Likewise.
4009 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4011 Implement dwarf2 exception handling for the ARM.
4012 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4013 (DWARF_FRAME_RETURN_COLUMN): Define.
4014 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4015 REG_FRAME_RELATED_EXPR note.
4016 (emit_sfm): Likewise.
4017 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4018 * dwarf2out.c (reg_save): Handle saving a register to itself.
4019 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4020 * except.c (eh_regs): Don't use the static chain reg if it's
4022 * frame.h (frame_state): Add cfa_saved field.
4023 * frame.c (execute_cfa_insn): Set it.
4024 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4026 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4028 (instantiate_virtual_regs): Adjust.
4030 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4031 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4032 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4034 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4035 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4037 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4039 * builtins.def: New file.
4041 * Makefile.in (TREE_H): Depend on builtins.def.
4043 * builtins.c (built_in_names): Use builtins.def.
4045 * tree.h (built_in_function): Likewise.
4047 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4049 * tree.c (size_in_bytes): Return size_zero_node, not
4052 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4054 * config/fp-bit.c (pack_d): Correct the case when a denormal
4055 is rounded up and stops being denormal.
4057 2000-03-21 Richard Henderson <rth@cygnus.com>
4059 * config/alpha/alpha.c (function_arg): Check for void_type_node
4060 before using MUST_PASS_IN_STACK.
4062 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4064 * regmove.c (combine_stack_adjustments_for_block): Check that
4065 the stack pointer is a valid memory address.
4067 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4069 * calls.c: re-install Mar 16 emit_library_call merge.
4071 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4073 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4074 we cannot be sure that if reload_completed base register will
4075 be properly aligned.
4077 2000-03-21 Richard Henderson <rth@cygnus.com>
4079 * flow.c (delete_block): Fix typo last change.
4081 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4083 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4084 not COMPLETE_TYPE_P, to check the type of the expression.
4086 2000-03-21 Michael Meissner <meissner@redhat.com>
4088 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4089 all floating point insns that just tested the macro
4090 TARGET_HAS_XFLOATING_LIBS.
4091 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4092 used to only use the gprs.
4094 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4096 * tree.h (COMPLETE_TYPE_P): New macro.
4097 (COMPLETE_OR_VOID_TYPE_P): New macro.
4098 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4099 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4100 * c-aux-info.c (gen_type): Use them.
4101 * c-common.c (c_expand_expr_stmt): Likewise.
4102 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4103 grokdeclarator, grokparms, finish_struct, start_function,
4104 store_parm_decls, combine_parm_decls): Likewise.
4105 * c-parse.y (cast_expr): Likewise.
4106 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4107 c_size_in_bytes, c_alignof, build_component_ref,
4108 build_indirect_ref, build_array_ref, convert_arguments,
4109 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4110 * calls.c (initialize_argument_information): Likewise.
4111 * convert.c (convert_to_integer): Likewise.
4112 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4113 * dwarfout.c (location_or_const_value_attribute,
4114 output_enumeration_type_die, output_structure_type_die,
4115 output_union_type_die, output_type): Likewise.
4116 * expr.c (safe_from_p, expand_expr): Likewise.
4117 * function.c (assign_parms): Likewise.
4118 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4119 * tree.c (build_array_type, build_function_type,
4120 build_method_type, build_offset_type, build_complex_type): Likewise.
4121 * c-parse.c, c-parse.h: Regenerated.
4123 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4125 * config/c4x/rtems.h: Include config/rtems.h.
4127 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4129 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4130 decl is a FUNCTION_DECL
4132 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4134 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4135 function uses output registers. Don't save RP for leaf functions.
4136 Do save RP even if no epilogue.
4137 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4138 (CALL_USED_REGISTERS): Unmark in registers.
4139 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
4142 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4144 * config/rs6000/rs6000.md (bunordered): New expander.
4145 (bordered): New expander.
4146 (buneq): New expander.
4147 (bunge): New expander.
4148 (bungt): New expander.
4149 (bunle): New expander.
4150 (bunlt): New expander.
4151 (bltgt): New expander.
4153 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
4154 (ccr_bit_negated_p): New function.
4155 (print_operand): For %C, generate appropriate cror for UNEQ,
4156 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
4158 2000-03-20 Andreas Jaeger <aj@suse.de>
4160 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
4163 * tree.h (safe_for_unsave): Prototype.
4165 2000-03-20 Richard Henderson <rth@cygnus.com>
4167 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
4168 (combine_stack_adjustments_for_block): Don't allow sp references
4169 in the side of a set we're not fixing up.
4170 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
4171 after life_analysis.
4173 2000-03-20 Richard Henderson <rth@cygnus.com>
4175 * calls.c (expand_call): Don't bother generating tail call
4176 sequences if there are pending cleanups. Use
4177 expand_start_target_temps/expand_end_target_temps to elide
4178 cleanups created during sibcall expansion.
4180 2000-03-20 Geoff Keating <geoffk@cygnus.com>
4182 * configure.in: Set $IFS to a value if it doesn't already have one
4183 in the --enable-checking handling.
4184 * configure: Regenerate.
4186 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4188 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
4189 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4192 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
4194 * jump.c (delete_noop_moves): Remove code attempting to
4195 combine stack adjustments.
4197 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4199 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
4200 * except.c (emit_cleanup_handler): Use them.
4201 (expand_end_all_catch): Likewise.
4202 * function.c (fixup_var_refs): Likewise.
4203 (expand_function_end): Clear catch_clauses_last.
4204 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
4205 * except.h (struct eh_status): New field x_catch_clauses_last.
4206 (catch_clauses_last): New define.
4208 * Makefile.in (tree.o): Depend on HASHTAB_H.
4209 * tree.c: Include hashtab.h.
4210 (struct type_hash): Remove next field.
4211 (TYPE_HASH_SIZE): Remove.
4212 (TYPE_HASH_INITIAL_SIZE): New define.
4213 (type_hash_table): Change type to htab_t.
4214 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
4215 mark_hash_entry): New functions.
4216 (init_obstacks): Allocate type hash.
4217 (type_hash_lookup): Use htab functions.
4218 (type_hash_add, mark_type_hash): Likewise.
4219 (dump_tree_statistics): Call print_type_hash_statistics.
4221 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4223 * rs6000/t-aix41: New file.
4225 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
4227 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
4229 * tm.texi (Driver): Fix typos and tweak entry for
4231 Move misplaced STRUCT_FORCE_BLK entry ...
4232 (Storage Layout): ... to here.
4233 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
4235 2000-03-19 Richard Henderson <rth@cygnus.com>
4237 * flow.c (delete_block): Delete the addr_vec along with the block.
4238 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
4241 * fold-const.c (extract_muldiv): Apply type check for defined
4242 overflow to multiply as well as divide.
4244 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
4246 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4248 * emit-rtl.c (remove_unncessary_notes): Check that all
4249 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
4250 associated NOTE_BLOCK.
4251 * function.h (identify_blocks): Update comments.
4252 (reorder_blocks): Declare.
4253 * function.c (identify_blocks): Don't take paramters.
4254 (reorder_blocks): Don't take parameters.
4255 * loop.h (find_loop_tree_blocks): Remove.
4256 (unroll_block_trees): Likewise.
4257 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
4258 reorder_blocks instead of unroll_block_trees.h
4259 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
4260 * stmt.c (find_loop_tree_blocks): Remove.
4261 (unroll_block_trees): Likewise.
4262 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
4263 in whole-function mode.
4264 * tree.h (reorder_blocks): Remove declaration.
4266 * expr.c: Include intl.h.
4267 * Makefile.in (expr.o): Depend on intl.h.
4269 2000-03-18 Richard Henderson <rth@cygnus.com>
4271 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
4273 2000-03-18 Mark Mitchell <mark@codesourcery.com>
4275 * tree.h (tree_index): Remove enumerals for integer types.
4276 (integer_type_kind): New type.
4277 (integer_types): New variable.
4278 (char_type_node): Adjust.
4279 (signed_char_type_node): Likewise.
4280 (unsigned_char_type_node): Likewise.
4281 (short_integer_type_node): Likewise.
4282 (short_unsigned_type_node): Likewise.
4283 (integer_type_node): Likewise.
4284 (unsigned_type_node): Likewise.
4285 (long_integer_type_node): Likewise.
4286 (long_unsigned_type_node): Likewise.
4287 (long_long_integer_type_node): Likewise.
4288 (long_long_unsigned_type_node): Likewise.
4289 * tree.c (integer_types): New variable.
4290 (init_obstacks): Register it as a root.
4292 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
4294 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
4295 NEXT_INSN. Update last insn in chain.
4297 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
4299 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
4300 with TYPE_DECL_SUPPRESS_DEBUG set.
4302 2000-03-18 Richard Henderson <rth@cygnus.com>
4304 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
4306 2000-03-18 Richard Henderson <rth@cygnus.com>
4308 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
4309 care for HALF_PIC_P.
4310 (expander_call_insn_operand): Remove.
4311 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
4312 * i386.h (PREDICATE_CODES): Update.
4313 * i386.md (all call expanders): Remove predicates, remove special
4314 handling for half-pic.
4315 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
4316 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
4317 (sibcall_epilogue): New.
4319 2000-03-17 Richard Henderson <rth@cygnus.com>
4321 * rtlanal.c (single_set): Reject if the parallel has anything
4322 except SET or USE or CLOBBER.
4324 2000-03-17 Jeff Law <law@cygnus.com>
4325 Richard Henderson <rth@cygnus.com>
4327 * Makefile.in (OBJS): Add sibcall.o.
4329 * sibcall.c: New file.
4330 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
4331 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
4332 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
4333 Emit sibcall patterns when requested. Update all callers.
4334 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
4335 elimination seems feasable.
4336 * final.c (leaf_function_p): Sibling calls don't discount being
4338 * flow.c (HAVE_sibcall_epilogue): Provide default.
4339 (find_basic_blocks_1): Sibling calls don't throw.
4340 (make_edges): Make edge from sibling call to EXIT.
4341 (propagate_block): Don't remove sibcall_epilogue insns.
4342 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
4343 (sibcall_epilogue): New.
4344 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
4345 (identify_blocks_1): Likewise. Break out from ...
4346 (identify_blocks): ... here.
4347 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
4348 (reorder_blocks): ... here.
4349 (init_function_for_compilation): Zap prologue/epilogue as varrays.
4350 (record_insns): Extend a varray instead of mallocing new memory.
4351 (contains): Read a varray not array of ints.
4352 (sibcall_epilogue_contains): New.
4353 (thread_prologue_and_epilogue_insns): Emit and record
4354 sibcall_epilogue patterns.
4355 (init_function_once): Allocate prologue/epilogue varrays.
4356 * genflags.c (gen_insn): Treat sibcall patterns as calls.
4357 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
4359 (save_for_inline_nocopy): ... here.
4360 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
4362 (expand_inline_function): ... here.
4363 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
4364 (subst_constants): Handle 'n' formats.
4365 * jump.c (jump_optimize_minimal): New.
4366 (jump_optimize_1): New arg `minimal'; update callers. Elide most
4367 optimizations if it's set.
4368 * rtl.c (copy_rtx): Do copy jump & call for insns.
4369 * rtl.h (struct rtx_def): Document use of jump and call for insns.
4370 (SIBLING_CALL_P): New.
4371 (sibcall_use_t): New.
4372 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
4373 Invoke optimize_sibling_and_tail_recursive_calls.
4374 * tree.c (lang_safe_for_unsave): New.
4375 (safe_for_unsave): New.
4376 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
4378 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
4379 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
4380 (*sibcall_osf_1, *sibcall_value_osf_1): New.
4382 2000-03-17 Mark Mitchell <mark@codesourcery.com>
4384 * objc/objc-act.c (encode_method_prototype): Pass types, not
4385 PARM_DECLs, to int_size_in_bytes.
4387 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
4389 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
4391 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
4392 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
4394 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4396 * Clean up usages of TREE_INT_CST_LOW.
4397 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
4398 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
4400 * c-tree.h (min_precision): Move declaration to here.
4401 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
4402 (build_unary_op, add_pending_init): Use bit_position.
4403 (pending_init_member, process_init_element): Likewise.
4404 (really_start_incremental_init, push_init_level, pop_init_level):
4405 Don't make copies of nodes or modify them in place, use consistent
4406 types when tracking positions, and use tree routines computations.
4407 (set_init_index, output_init_element): Likewise.
4408 (output_pending_init_elements, process_init_element): Likewise.
4409 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
4410 tree_low_cst and int_bit_position; also minor cleanup.
4411 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
4412 (print_cst_octal): Precision is unsigned.
4413 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
4414 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
4415 (simple_type_align_in_bits): Result is unsigned int.
4416 Use tree_int_low_cst and host_integerp.
4417 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
4418 (field_byte_offset): Result is HOST_WIDE_INT.
4419 Change types of internal variables so alignments are unsigned int,
4420 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
4421 Use host_integerp, tree_low_cst, and int_bit_position.
4422 (add_bit_offset_attribute): Likewise.
4423 (add_data_member_location_attribute): Use tree_cst_low.
4424 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
4425 (add_bit_size_attribute): Use tree_low_cst.
4426 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
4427 * dwarfout.c: Similar changes to dwarf2out.c.
4428 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
4429 * genoutput.c (n_occurences): Return -1 for null string.
4430 (strip_whitespace): Accept null string and make into function.
4431 (scan_operands): Reflect above changes.
4432 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
4433 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
4434 * ssa.c (rename_registers): Add missing cast of arg to bzero.
4435 * tree.c (int_size_in_bytes): Check for too big to represent.
4436 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
4437 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
4439 (min_precision): Delete from here.
4440 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
4441 and int_bit_position.
4442 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
4443 (encode_method_def): Likewise.
4444 (build_ivar_list_initializer): Use int_bit_position.
4445 (generate_shared_structures): Convert size.
4446 (encode_type, encode_complete_bitfield): Use integer_zerop.
4447 (encode_bitfield): Use tree_low_cst and int_bit_position.
4449 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4451 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
4453 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4455 * call.c (special_function_p): It is only malloc if it returns
4458 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4460 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
4461 (C33_FLAG, TARGET_C3X): Add macros.
4462 (TARGET_SWITCHES): Add -m33 option.
4463 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
4465 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4467 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
4468 (PARALLEL_PACK_FLAG): Delete.
4469 (TARGET_SWITCHES): Update.
4470 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
4472 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4474 * fold-const.c (fold): Fix a few cases when the returned result
4475 is not of the same type as the input.
4477 2000-03-16 Nick Clifton <nickc@cygnus.com>
4479 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
4482 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4484 * libgcc2.h: Move prototypes above macros with the same name.
4485 Wrap some function prototypes in the conditional which indicates
4486 whether they are supported, i.e. "BITS_PER_UNIT == 8".
4488 2000-03-16 Richard Henderson <rth@cygnus.com>
4490 * calls.c: Revert last two changes.
4492 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
4494 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
4495 has exponent 0 is a zero.
4497 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
4498 HASH may already be nonzero. Add code/mode into hash value
4499 immediately after repeat label.
4500 (cselib_lookup): Don't leave the hash table in an inconsistent
4501 state before a hash lookup operation.
4503 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
4505 * i386.md (all HI and QI mode non-move patterns): Conditionize
4506 by TARGET_[HQ]IMODE_MATH.
4507 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4508 x86_promote_qi_regs): Declare.
4509 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
4510 TARGET_PROMOTE_QI_REGS): New macros.
4511 (PROMOTE_MODE): New macro.
4512 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
4513 x86_promote_qi_regs): New global variables.
4515 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
4517 * calls.c (emit_library_call_value_1): Break out from ...; handle
4518 VOIDmode function calls too.
4519 (emit_library_call_value): ... here.
4520 (emit_library_call): Implement by calling emit_library_call_value_1.
4522 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
4524 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
4525 Update arg_space_so_far on stack adjustments.
4526 (emit_library_call, emit_library_call_value): Likewise; take into
4527 account arg_space_so_far and pending_stack_adjust when calculcating
4530 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
4532 * flow.c: Move all basic block reordering code into its own file.
4533 (create_basic_block): Externalize.
4534 * bb-reorder.c: New file. Copy all basic block reordering code from
4535 flow.c to this file.
4536 (reorder_basic_blocks): Fix fencepost error in for-loop.
4537 (reorder_basic_blocks): Remove braces from single statement for-loops.
4538 * basic-block.h: Add declaration for create_basic_block.
4539 * Makefile.in: Add rules for bb-reorder.o.
4541 2000-03-16 Neil Booth <NeilB@earthling.net>
4543 * cppinit.c (handle_option): Implement #unassert directive
4544 as -A- command line option.
4545 (print_help): Update.
4546 * cpptexi.c: Update.
4548 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
4550 * md.texi (Standard Names): Document `jump'.
4552 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
4554 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
4557 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4559 Merge changes from newppc-branch onto trunk.
4561 2000-03-15 Geoff Keating <geoffk@cygnus.com>
4563 * rs6000.c (toc_hash_table): Update for new hash table functions.
4564 (toc_hash_function): Likewise.
4565 (toc_hash_eq): Likewise.
4566 (toc_hash_mark_entry): Likewise.
4567 (toc_hash_mark_table): Likewise.
4568 (output_toc): Likewise.
4569 (rs6000_add_gc_roots): Likewise.
4571 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4573 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
4574 (AR_FLAGS_FOR_TARGET): here. New macro.
4576 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
4578 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
4579 fpmem_operand) Delete.
4581 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
4582 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
4583 (rs6000_save_machine_status, rs6000_restore_machine_status,
4584 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
4585 references to above variables.
4586 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
4587 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
4588 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
4589 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
4590 (XER_REGNO_P, XER_REGNO): New.
4591 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
4592 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
4593 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
4595 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
4596 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
4597 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
4599 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4601 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
4602 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
4603 * rs6000.h: from here.
4605 * rs6000-protos.h (rs6000_select_section): Provide prototype.
4606 (rs6000_select_rtx_section): Likewise.
4607 (rs6000_encode_section_info): Likewise.
4608 (sdata_section): Likewise.
4609 (sdata2_section): Likewise.
4610 (sbss_section): Likewise.
4611 * sysv4.h (rs6000_select_section): Delete prototype.
4612 (rs6000_select_rtx_section): Likewise.
4613 (rs6000_encode_section_info): Likewise.
4614 (sdata_section): Likewise.
4615 (sdata2_section): Likewise.
4616 (sbss_section): Likewise.
4617 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
4619 * sysv4.h: Delete various unnecessary #undef's and put a comment
4620 on the remaining ones.
4621 Change various comments according to coding standard.
4623 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
4625 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
4626 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
4627 (CR0_REGNO_P) Remove.
4628 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
4629 setup_incoming_varargs, mtcrf_operation, print_operand,
4630 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
4631 Use the above macros.
4633 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
4635 * config/rs6000/rs6000.md: Added a new alternative for each
4636 pattern that had a 'x' alternative but no 'y' alternative.
4637 Added a new split for each of the above patterns.
4639 2000-02-18 Geoff Keating <geoffk@cygnus.com>
4641 * aix41.h (ASM_CPU_SPEC): Delete.
4642 (CPP_CPU_SPEC): Delete.
4644 * aix.h (RS6000_OUTPUT_BASENAME): Define.
4645 (ASM_OUTPUT_LABEL): Define.
4646 (ASM_GLOBALIZE_LABEL): Define.
4647 (STRIP_NAME_ENCODING): Define.
4648 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
4649 (STRIP_NAME_ENCODING): Don't define.
4650 (ASM_OUTPUT_LABEL): Don't define.
4651 (ASM_GLOBALIZE_LABEL): Don't define.
4652 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
4653 names, and ASM_OUTPUT_LABEL to output labels, rather than
4655 (ASM_OUTPUT_LABEL): Define.
4656 (ASM_OUTPUT_INT): Use assemble_name.
4657 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
4658 (STRIP_NAME_ENCODING): Don't undefine first.
4659 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
4661 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
4662 specified with 'asm' even with -fleading-underscore.
4663 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
4664 (output_epilog): Likewise.
4665 (output_toc): Likewise.
4666 * tramp.asm: Handle -fleading-underscore correctly.
4668 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
4670 (nonlocal_goto_receiver): Delete.
4671 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
4673 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
4674 (SET_ASM_OP): Define.
4675 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
4677 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
4680 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
4681 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
4683 * rs6000.h: Add 'u' to more constants.
4685 2000-02-18 David Edelsohn <edelsohn@gnu.org>
4687 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
4689 2000-02-15 David Edelsohn <edelsohn@gnu.org>
4691 * rs6000.c (reg_or_u_cint_operand): New function.
4692 (logical_operand): Handle 64-bit hosts.
4693 (logical_u_operand): New function.
4694 (non_logical_cint_operand): Handle 64-bit hosts.
4695 (non_logical_u_cint_operand): New function.
4696 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
4697 (PREDICATE_CODES): Define new functions.
4698 * rs6000-protos.h: Declare new functions.
4699 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
4700 (movdi_64): Bracket code intended for 64-bit hosts. Create
4701 CONST_DOUBLE for 32-bit values.
4702 (scc insns): Generate DImode compares.
4703 (mfcr insns): Create DImode versions.
4704 (sge matchers): New patterns.
4706 2000-02-15 Gabriel Paubert <paubert@iram.es>
4708 * rs6000.md: Correct instructions length attributes and
4709 constraints on unsigned compare instructions.
4710 (*ne0): Disable for PowerPC64.
4712 2000-02-11 Geoff Keating <geoffk@cygnus.com>
4714 * rs6000.c (output_function_profiler): Use .long for a 32-bit
4715 quantity, fix profile1.C test failure under -fPIC.
4717 * rs6000.c: Add 'u' to many constants to suppress warnings.
4718 (constant_pool_expr_1): Make static.
4719 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
4720 * rs6000.h: Add 'u' to many constants to suppress warnings.
4722 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
4723 for the start of the TOC, instead of LCTOC..0.
4724 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
4726 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
4727 (load_toc_aix_di): Use LCTOC..1.
4729 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
4730 * rs6000.c (rs6000_legitimize_address): New function from
4731 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
4732 symbols in the constant pool that really are TOC references.
4733 (print_operand_address): For ELF, write TOC offsets under
4734 -fPIC as subtractions in the insn.
4735 (output_toc): For ELF, define symbols in TOC as normal labels,
4737 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
4738 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
4739 (create_TOC_reference): Prototype only when RTX_CODE is defined.
4740 * rs6000.md (movsi): Only use create_TOC_reference on
4741 symbols in the constant pool that really are TOC references.
4743 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
4744 * rs6000.c (rs6000_reorg): Delete.
4745 * rs6000-protos.h (rs6000_reorg): Delete.
4747 2000-02-09 Geoff Keating <geoffk@cygnus.com>
4749 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
4751 * aix.h (SETUP_FRAME_ADDRESSES): Define.
4752 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
4753 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
4754 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
4755 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
4756 rs6000_aix_emit_builtin_unwind_init.
4757 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
4758 rs6000_emit_eh_toc_restore on AIX.
4759 (return_eh_si): Use r2.
4760 (return_eh_di): Use r2.
4762 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
4763 since we're breaking binary compatibility anyway.
4765 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
4767 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
4768 constant_pool_expr_p): Declare them.
4769 (constant_pool_expr_p): Declare it.
4770 * config/rs6000/rs6000.c (toc_label_name): Define.
4771 (rs6000_override_options): Set toc_label_name.
4772 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
4773 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
4774 uses_TOC): New functions.
4775 (print_operand): Delete old '*' case.
4776 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
4777 and strip off rtl for TOC before calling output_addr_const.
4778 (rs6000_emit_load_toc_table): Use toc_label_name.
4779 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
4781 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
4782 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
4783 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
4784 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
4785 into explicit TOC_REGISTER offsets.
4786 (TOC_REGISTER): New macro.
4787 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
4788 TARGET_TOC to reference TOC_REGISTER.
4789 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
4790 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
4791 uses_TOC before emitting label references.
4793 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4795 * rs6000.md (stack_tie): Fix warning.
4797 * eabi-ctors.c: Use 'asm' names for the start/end variables,
4798 to handle -fleading-underscore.
4799 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
4800 (USER_LABEL_PREFIX): New macro.
4801 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
4802 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
4803 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
4804 call-linux can use the same multilibs.
4805 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
4806 and call-linux multilibs. Do multilib with -fleading-underscore.
4807 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
4808 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
4811 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
4812 have MASK_SOFT_FLOAT set.
4813 (CPP_FLOAT_DEFAULT_SPEC): New macro.
4814 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
4815 CPP_FLOAT_DEFAULT_SPEC.
4817 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
4818 * rs6000.md: Whitespace change.
4819 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
4820 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
4822 2000-02-05 Geoff Keating <geoffk@cygnus.com>
4824 * rs6000.md (eh_epilogue): New expander.
4825 (eh_reg_restore): New expand/split/insn combination.
4826 (return_eh_si): New insn.
4827 (return_eh_di): New insn.
4829 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
4830 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
4831 * eabi-ctors.c (__do_global_ctors): Register this object's
4832 frame. Clean up. Call atexit() after the constructors.
4833 (__do_global_dtors): Deregister this object's frame. Clean up.
4834 Allow for recursive calls to exit().
4835 * rs6000.c (fixuplabelno): New variable.
4836 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
4837 TARGET_RELOCATABLE, it slows down exec() under linux.
4838 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
4840 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
4841 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
4842 (ASM_OUTPUT_DWARF_DELTA2): New macro.
4843 (ASM_OUTPUT_DWARF_DELTA4): New macro.
4844 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
4845 (ASM_OUTPUT_DWARF_ADDR): New macro.
4846 (ASM_OUTPUT_DWARF_DATA4): New macro.
4847 (ASM_OUTPUT_DWARF_DATA2): New macro.
4848 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
4849 (ASM_OUTPUT_DWARF_OFFSET): New macro.
4850 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
4852 2000-02-03 Geoff Keating <geoffk@cygnus.com>
4854 * rs6000.c (rs6000_sr_alias_set): New variable.
4855 (rs6000_override_options): Initialise rs6000_sr_alias_set.
4856 (rs6000_emit_stack_tie): New function.
4857 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
4858 in a way that dwarf2out can understand.
4859 (rs6000_frame_related): New function.
4860 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
4861 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
4862 Use rs6000_emit_stack_tie when needed.
4863 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
4864 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
4865 * rs6000.md (stack_tie): New insn.
4866 (return_internal_si): Allow return value to be in the count
4868 (return_internal_di): Likewise.
4870 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
4872 2000-02-03 Geoff Keating <geoffk@cygnus.com>
4874 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
4876 2000-01-31 Geoff Keating <geoffk@cygnus.com>
4878 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
4880 * rs6000.md (stmw): Use the right POWER opcode.
4883 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4885 * rs6000-protos.h: New file.
4887 * rs6000.c: Include tm_p.h. Fix compile time warnings.
4889 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
4892 * sysv4.h: Likewise.
4894 2000-01-28 Geoff Keating <geoffk@cygnus.com>
4896 * ../../configure.in: Delete powerpcle-*-winnt*
4897 and powerpcle-*-pe|powerpcle-*-cygwin*.
4898 * ../../configure: Regenerated.
4900 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
4901 (TARGET_WINDOWS_NT): Delete.
4903 (CALL_NT_DLLIMPORT): Delete.
4904 Delete NT-specific code.
4905 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
4908 * nt-ci.asm: Delete.
4909 * nt-cn.asm: Delete.
4910 * ntstack.asm: Delete.
4912 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4914 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
4915 (ASM_FILE_START): Likewise.
4916 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4917 (ASM_OUTPUT_LABELREF): Likewise.
4918 (ASM_OUTPUT_SKIP): Likewise.
4919 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4920 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4921 (ASM_OUTPUT_CASE_LABEL): Likewise.
4922 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
4923 (ASM_OUTPUT_ASCII): Likewise.
4925 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
4927 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
4928 reload_toc_labelno for non-prologue TOC reloads. Also, don't
4929 increment rs6000_pic_labelno here.
4930 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
4931 and increment rs6000_pic_labelno here.
4933 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
4935 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
4936 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
4937 allocation knows (reg) is dead before the insn.
4939 2000-01-21 Geoff Keating <geoffk@cygnus.com>
4941 * rs6000.md (movsi_to_cr): Correct typo in output template.
4943 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
4945 * rs6000.c (rs6000_pic_labelno): Always define.
4946 (rs6000_pic_func_labelno): Delete.
4947 (lmw_operation): Check for a zero base register,
4948 which doesn't mean what we want.
4949 (stmw_operation): New function.
4950 (print_operand): Define new 'l' modifier.
4951 (rs6000_stack_info): We must save all 64 bits of the registers
4952 if TARGET_POWERPC64.
4953 (rs6000_output_load_toc_table): Delete.
4954 (rs6000_emit_load_toc_table): New function.
4955 (rs6000_allocate_stack_space): Delete.
4956 (rs6000_emit_allocate_stack): New function.
4957 (rs6000_emit_prologue): New function.
4958 (output_prolog): Use rs6000_emit_prologue.
4959 (rs6000_emit_epilogue): Change a few variable names to be
4960 more accurate. Restore all 64 bits of the registers if
4961 TARGET_POWERPC64. Only restore the FP registers which were used
4962 if they are being saved/restored one-at-a-time.
4963 (output_mi_thunk): Delete inefficient code generation.
4964 (output_function_profiler): Don't use rs6000_output_load_toc_table.
4965 * rs6000.h: Declare rs6000_emit_load_toc_table,
4966 rs6000_allocate_stack_space, stmw_operation. Don't declare
4967 rs6000_output_load_toc_table.
4968 * rs6000.md (elf_high): Allow register 0, but discourage it
4970 (elf_low): Support loading into register 0.
4971 (load_toc_aix_si): New pattern.
4972 (load_toc_aix_di): New pattern.
4973 (load_toc_v4_pic_si): New pattern.
4974 (load_toc_v4_pic_di): New pattern.
4975 (load_toc_v4_PIC_1): New pattern.
4976 (load_toc_v4_PIC_1b): New pattern.
4977 (load_toc_v4_PIC_2): New pattern.
4978 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
4979 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
4980 (prologue): New expander.
4981 (movesi_from_cr): New pattern.
4982 (stmw): New pattern.
4983 (save_fpregs_si): New pattern.
4984 (save_fpregs_di): New pattern.
4986 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4988 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
4993 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4995 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
4997 (movsi_got_internal): Likewise.
4998 (movsi_got_internal+1): Likewise.
4999 (set_sp): 'unspec 7' does a SImode clobber.
5001 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5003 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5004 allocate a stack temporary.
5005 (floatsidf2_internal): Likewise.
5006 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5008 (floatunssidf2): Don't use the fpmem "register", just
5009 allocate a stack temporary.
5010 (floatunssidf2_internal): Likewise.
5011 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5013 (floatsidf2_loadaddr): Delete.
5014 (floatsidf2_store1): Delete.
5015 (floatsidf2_store2): Delete.
5016 (floatsidf2_load): Delete.
5017 (fix_truncdfsi2): Don't use the fpmem "register", just
5018 allocate a stack temporary.
5019 (fix_truncdfsi2_internal_si): Delete.
5020 (fix_truncdfsi2_internal_di): Delete.
5021 (fix_truncdfsi2_internal): New insn.
5022 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5023 (fix_truncdfsi2_store): Delete.
5024 (fix_truncdfsi2_load): Delete.
5025 (fctiwz): Produce gen_fctiwz.
5027 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5029 * eabi.h (INVOKE__main): Define.
5030 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5032 (rs6000_emit_prologue): Likewise.
5033 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5034 this is the main program.
5036 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5038 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5040 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5042 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5043 goes after the argument.
5045 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5047 * rs6000.md: Document 'unspec' values used.
5048 (epilogue): New expander.
5049 (movesi_to_cr_one): New expander.
5050 (movesi_to_cr and following): New pattern.
5052 (return_internal_si): New pattern.
5053 (return_internal_di): New pattern.
5054 (return_and_restore_fpregs_si): New pattern.
5055 (return_and_restore_fpregs_di): New pattern.
5056 * rs6000.h: Declare new functions.
5057 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5058 rather than rs6000_calls_p.
5059 (rs6000_makes_calls): Delete.
5060 (lmw_operation): New function.
5061 (mtcrf_operation): New function.
5062 (rs6000_emit_epilogue): New function.
5063 (output_epilog): Call rs6000_emit_epilogue and final if
5064 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5066 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5068 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5069 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5070 * aix.h (SUBTARGET_SWITCHES): Document switches.
5071 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5072 sched-prolog and sched-epilog the same. Document all the
5074 (TARGET_OPTIONS): No longer allow -mdebug-.
5076 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5078 * rs6000.h (ASM_FILE_END): Move to aix.h.
5079 (EXTRA_SECTIONS): Move to aix.h.
5080 (READONLY_DATA_SECTION): Move to aix.h.
5081 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5082 (SELECT_SECTION): Move to aix.h.
5083 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5084 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5085 (LINK_REGISTER_REGNUM): New definition.
5086 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5087 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5089 * sysv4.h: Delete the code between the inclusion of rs6000.h
5091 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5092 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5093 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5094 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5095 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5096 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5097 (fix_truncdfsi2_internal_di): New pattern.
5098 (fix_truncdfsi2_store): The second arg here is Pmode too.
5099 (fix_truncdfsi2_load): The second arg here is Pmode too.
5100 (tablejumpdi): Now that switch tables hold only SImode values,
5101 gcc needs to know how to add them to the pc which is DImode.
5102 * rs6000.c (rs6000_stack_info): Use symbolic name for
5103 LINK_REGISTER_REGNUM.
5104 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5105 (output_toc): Delete unused variables s1 and s2.
5106 (output_ascii): Use fputs not fprintf on a variable string.
5108 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5110 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5111 * aix43.h: Revert Aug 2 change.
5112 (HAS_INIT_SECTION): Define, not visible yet.
5113 (LD_INIT_SWITCH): Define, not visible yet.
5114 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5116 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5118 * config/rs6000/rtems.h: Include config/rtems.h.
5120 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5122 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5123 (SLOW_UNALIGNED_ACCESS): Define.
5124 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5125 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5126 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5127 (toc_section): Likewise and .toc pseudo-op.
5128 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5130 (TEXT_SECTION_ASM_OP): Likewise.
5131 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5134 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5136 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5137 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5140 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5142 * rs6000.h: Move more stuff from here...
5144 * sysv4.h: Cleanup accordingly.
5145 * netware.h: Likewise
5147 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5149 * rs6000.h: Continue cleanup.
5152 * netware.h: Likewise.
5154 * sysv4.h: Likewise.
5155 * win-nt.h: Likewise.
5157 * rs6000.h (TARGET_SWITCHES): Add descriptions.
5158 (TARGET_OPTIONS): Likewise.
5160 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
5161 (SUBTARGET_OPTIONS): Likewise.
5163 * rs6000.md: Fix compile time warnings.
5165 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5167 vxworks patches from the Cygnus tree originally by
5168 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
5169 <vmakarov@cygnus.com>.
5170 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
5171 (ENDFILE_SPEC): Likewise.
5172 (LIB_VXWORKS_SPEC): New macro.
5173 (STARTFILE_VXWORKS_SPEC): New macro.
5174 (ENDFILE_VXWORKS_SPEC): New macro.
5175 (LINK_START_VXWORKS_SPEC): New macro.
5176 (LINK_OS_VXWORKS_SPEC): New macro.
5177 (CPP_OS_VXWORKS_SPEC): New macro.
5178 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
5179 * vxppc.h: Rewrite to use proper configuration method.
5180 * vxppcle.h: New file.
5181 * ../../configure.in: Add powerpcle-wrs-vxworks*.
5182 * ../../configure: Rebuilt.
5184 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5186 Lots of changes to rs6000.h, sysv4.h, aix.h,
5187 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
5188 with the aim that rs6000.h is the first header
5189 included and the others override it.
5192 * x-aix41-gld: Remove.
5194 * x-aix41: Remove target-specific switches, and don't specify
5195 -Wl,-bbigtoc as we don't need it any more.
5196 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
5197 Use t-aix43 for AIX 4.3 and above.
5198 * ../../configure: Regenerated.
5200 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
5201 options, that don't do anything yet.
5202 (MASK_SCHED_PROLOG): New macro.
5203 (MASK_SCHED_EPILOG): New macro.
5204 (TARGET_SCHED_PROLOG): New macro.
5205 (TARGET_SCHED_EPILOG): New macro.
5207 2000-01-04 Geoff Keating <geoffk@cygnus.com>
5209 * rs6000.c: Correct comment, the `minimal' TOCs are actually
5210 one per translation unit, not one per function.
5211 (output_toc): Also do duplicate constant elimination
5212 for per-translation-unit TOCs.
5214 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
5215 a comment explaining _exactly_ when this pattern gets used.
5216 (builtin_setjmp_receiver): New pattern for better clarity.
5217 (init_v4_pic): Move it into a section dealing with TOC registers.
5219 1999-12-30 Geoff Keating <geoffk@cygnus.com>
5221 * rs6000.c (toc_hash_table): New variable.
5222 (rs6000_hash_constant): New function.
5223 (toc_hash_function): New function.
5224 (toc_hash_eq): New function.
5225 (toc_hash_mark_entry): New function.
5226 (toc_hash_mark_table): New function.
5227 (output_toc): Don't output duplicate TOC entries in
5229 (rs6000_add_gc_roots): Add the hash table as a GC root.
5230 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
5231 where they clearly shouldn't be. This may need to be fixed
5232 later when there is a GNU ar for AIX.
5233 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
5234 Don't define BOOT_LDFLAGS as it is now not necessary.
5236 1999-12-29 Geoff Keating <geoffk@cygnus.com>
5238 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
5239 for va_list on AIX. Use unsigned_char_type_node rather than
5240 constructing our own version on svr4.
5242 1999-12-17 Geoff Keating <geoffk@cygnus.com>
5244 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
5245 since patently it's not.
5247 1999-12-08 Geoff Keating <geoffk@cygnus.com>
5249 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
5250 define_expand/define_insn pair, and handle restore of the
5251 SVR4 -fpic register.
5253 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
5255 * acconfig.h (HAVE_GAS_WEAK): New define.
5256 * configure.in (assembler weak support): Check for .weak support.
5257 * config.in, configure: Rebuilt.
5258 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
5259 HAVE_GAS_WEAK is defined.
5261 2000-03-15 Nick Clifton <nickc@cygnus.com>
5263 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
5266 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
5268 * cppfiles.c (open_include_file): New function.
5269 (find_include_file, cpp_read_file): Use it.
5271 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5273 * cpphash.c (dump_hash_helper): Take the slot, not the element.
5275 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
5277 * flow.c (verify_flow_info): Check for unconditional return.
5279 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
5281 * config/ia64/ia64.md (restore_stack_nonlocal): New.
5282 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
5283 (__ia64_restore_stack_nonlocal): New.
5284 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
5286 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5288 * cpphash.c (collect_formal_parameters): Do not complain about
5289 parameter names that just start with `__VA_ARGS__'.
5291 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
5293 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
5294 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
5295 * i386.c (pentiumpro_cost): Set mul cost to 4.
5296 (x86_use_movx): Set for PPro.
5298 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
5300 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
5301 STACK_BOUNDARY for empty frames now.
5303 2000-03-14 Mark Mitchell <mark@codesourcery.com>
5305 * stor-layout.c (layout_union): Remove.
5306 (layout_union_field): New function, split out from layout_union.
5307 (finish_union_layout): Likewise.
5308 (layout_field): Handle unions by calling layout_union_field.
5309 (finish_record_layout): Handle unions.
5310 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
5311 QUAL_UNION_TYPE handling.
5313 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
5315 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
5316 end of basic block is jump_insn, not barrier; use create_basic_block
5317 instead of creating basic block by hand.
5319 2000-03-14 Jason Eckhardt <jle@cygnus.com>
5321 * flow.c (reorder_basic_blocks): Account for barriers when writing
5322 over NEXT_INSN (last_bb->end).
5323 (verify_flow_info): Add check for missing barriers.
5325 2000-03-14 Greg McGary <gkm@gnu.org>
5327 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
5328 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
5329 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
5330 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
5331 __unbounded, __unbounded__): New keywords.
5332 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
5333 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
5334 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
5336 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
5338 * cselib.h: New file.
5339 * alias.c: Include "cselib.h".
5340 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
5341 MEMs as two new arguments.
5342 (get_addr): New static function.
5343 (find_base_term): Handle VALUEs.
5344 (memrefs_conflict_p): Likewise.
5345 (true_dependence): Call get_addr on the addresses.
5346 Call fixed_scalar_and_varying_struct_p with addresses that have been
5347 passed through get_addr and canon_rtx.
5348 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
5349 with true_dependence.
5350 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
5351 * loop.c: Include "cselib.h".
5352 (load_mems): Process extended basic block that enters the loop with
5353 cselib. Use that information to change initialization of the shadow
5354 register so that a constant equivalence is seen by later passes.
5355 * reload1.c: Include "cselib.h".
5356 (reload_cse_invalidate_regno): Delete function.
5357 (reload_cse_mem_conflict_p): Likewise.
5358 (reload_cse_invalidate_mem): Likewise.
5359 (reload_cse_invalidate_rtx): Likewise.
5360 (reload_cse_regno_equal_p): Likewise.
5361 (reload_cse_check_clobber): Likewise.
5362 (reload_cse_record_set): Likewise.
5363 (reg_values): Delete static variable.
5364 (invalidate_regno_rtx): Likewise.
5365 (reload_cse_delete_noop_set): New static function.
5366 (reload_cse_simplify): New static function, broken out of
5368 (reload_cse_noop_set_p): Delete unused argument INSN.
5369 Just call rtx_equal_for_cselib_p on set source and destination.
5370 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
5371 reload_cse_delete_noop_set. Delete code to keep track of values; use
5372 cselib functions instead. Delete code to push/pop obstacks.
5373 (reload_cse_simplify_set): Use cselib to find equivalent values.
5374 Delete code to push/pop obstacks.
5375 (reload_cse_simplify_operands): Likewise.
5376 * rtl.def (VALUE): New rtx code.
5377 * rtl.h (union rtunion_def): New elt rt_cselib.
5378 (X0CSELIB, CSELIB_VAL_PTR): New macros.
5379 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
5380 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
5381 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
5382 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
5383 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
5384 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
5385 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
5386 cselib_record_set, cselib_record_sets): New static functions.
5387 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
5388 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
5389 references_value_p): New functions.
5390 (MAX_USELESS_VALUES, REG_VALUES): New macros.
5391 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
5392 n_useless_values, reg_values, callmem, cselib_obstack,
5393 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
5394 New static variables.
5395 * varray.h (union varray_data_tag): New elt te.
5396 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
5397 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
5400 2000-03-14 Nick Clifton <nickc@cygnus.com>
5402 * gcc.c (do_spec_1): Catch the case where %* is used in a
5403 substitution pattern, but it has not been initialised.
5404 Issue a meaningful error message if an unrecognised operator
5405 is encountered in a spec string.
5407 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
5409 * function.c (prepare_function_start): Correctly initialize
5410 cfun->stack_alignment_needed.
5412 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
5414 * cppfiles.c (find_include_file): Don't assume nshort is a
5417 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
5419 * configure.in (hppa configurations): Add pa32-regs.h to the
5420 list of tm files as appropriate.
5421 * configure: Rebuilt.
5422 * pa.c (compute_frame_size): Remove explicit knowledge about FP
5424 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
5425 (fmpyaddoperands, fmpysuboperands): Likewise.
5426 * pa.h: Remove various definitions which depend on knowing
5427 how registers are numbered.
5428 * pa32-regs.h: New file with PA32 register numbering specific
5431 2000-03-14 Richard Henderson <rth@cygnus.com>
5433 * regmove.c (combine_stack_adjustments): New.
5434 (stack_memref_p, single_set_for_csa): New.
5435 (free_csa_memlist, record_one_stack_memref): New.
5436 (try_apply_stack_adjustment): New.
5437 (combine_stack_adjustments_for_block): New.
5438 * rtl.h (combine_stack_adjustments): Declare.
5439 * toplev.c (rest_of_compilation): Call it.
5441 * i386.md: Revert 2000-01-16 change.
5443 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5445 * gccbug.in: Add web category, gcc specific classes.
5447 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
5449 * stor-layout.c (finalize_record_size): Fix typo.
5451 2000-03-14 Stan Shebs <shebs@apple.com>
5453 * c-typeck.c (c_alignof): Error on incomplete types.
5454 * extend.texi (Alignment): Document this.
5456 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5458 * cppfiles.c: Include mkdeps.h.
5459 (find_include_file, read_include_file): Remove _cpp_ prefix
5460 from name, make static.
5461 (_cpp_execute_include): New function, broken out of
5464 * cpplib.c: Don't include mkdeps.h.
5465 (struct directive): Remove type field. Reorder entries. The
5466 function takes only one argument.
5467 (struct if_stack): Make type field an int.
5468 (directive_table): Rename to dtable. Generate it, the
5469 prototypes of the directive handlers, and the enum for the
5470 directive numbers, from a template macro.
5471 (do_ifndef, do_include_next, do_import): New functions.
5472 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
5473 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
5474 do_ident, do_assert, do_unassert, do_sccs): Take only one
5476 (do_sccs): Define always, but alter behavior based on
5478 (_cpp_handle_directive, consider_directive_while_skipping):
5479 Restructure for new directive table layout.
5481 (pass_thru_directive): Take a directive number, not a pointer
5482 to a struct directive.
5483 (parse_include): New function, broken out of do_include.
5484 (do_include, do_import, do_include_next): Use parse_include
5485 and _cpp_execute_include.
5486 (do_elif, do_else): Test for T_ELSE specifically when checking
5487 for #elif/#else after #else.
5488 (parse_ifdef): New function, broken out of do_ifdef.
5489 (validate_else): Expect a name arg without a leading #.
5490 (if_directive_name): Delete.
5491 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
5492 directive handlers with only one argument.
5494 * cpphash.h: Update prototypes.
5495 (enum node_type): Remove entries for directives.
5496 * Makefile.in: Update dependencies.
5498 * cpphash.c (dump_hash_helper): Only dump nodes of type
5499 T_MACRO. Emit a newline after each definition.
5501 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5503 * gccbug.in: New file.
5504 * configure.in (all_outputs): Add gccbug.
5505 * Makefile.in (install-common): Install gccbug.
5506 (GCCBUG_INSTALL_NAME): New variable.
5507 * configure: Rebuilt.
5509 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5511 * function.c (put_var_into_stack): Use type_for_mode to calculate
5512 part_type. Use MEM_SET_IN_STRUCT_P.
5513 * expr.c (store_field): Handle CONCAT.
5514 (store_constructor): Use fields_length.
5515 * tree.c (fields_length): New fn.
5516 * tree.h: Declare it.
5518 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5520 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
5521 (cpplex.o): New target.
5522 * po/POTFILES.in: Add cpplex.c.
5524 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
5525 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
5526 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
5527 skip_block_comment, skip_line_comment, skip_comment,
5528 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
5529 _cpp_parse_name, skip_string, parse_string,
5530 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
5531 _cpp_get_directive_token, find_position,
5532 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
5533 (maybe_macroexpand, _cpp_lex_token): New functions.
5535 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
5536 parse_goto_mark): Delete.
5537 (_cpp_handle_eof): New function.
5538 (_cpp_handle_directive): Rename from handle_directive.
5539 (_cpp_output_line_command): Rename from output_line_command.
5540 (do_if, do_elif): Call _cpp_parse_expr directly.
5541 * cppfiles.c (_cpp_read_include_file): Don't call
5542 init_input_buffer here.
5543 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
5544 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
5545 here; pop the token_buffer and skip the rest of the line here.
5546 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
5549 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
5551 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
5552 CPP_GOTO_MARK): New macros.
5553 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
5554 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
5555 _cpp_read_and_prescan, _cpp_init_input_buffer,
5556 _cpp_grow_token_buffer, _cpp_get_directive_token,
5557 _cpp_handle_directive, _cpp_handle_eof,
5558 _cpp_output_line_command): Prototype them here.
5559 * cpplib.h (enum cpp_token): Add CPP_MACRO.
5560 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
5561 quote_string, output_line_command): Remove.
5563 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
5565 * stmt.c (expand_end_case): RANGE may be signed, and when checking
5566 whether it is too large we must also verify that it isn't negative.
5568 2000-03-13 Jakub Jelinek <jakub@redhat.com>
5570 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
5571 (movsi_zero_liveg0): Remove.
5572 (movsf_insn_novis_liveg0): Remove.
5574 (negsi2_not_liveg0): Rename to negsi2.
5575 (one_cmplsi2): Remove.
5576 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
5577 (one_cmplsi2_liveg0): Remove.
5578 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
5579 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
5580 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
5581 (PREDICATE_CODES): Remove zero_operand.
5582 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
5583 TARGET_BROKEN_SAVERESTORE.
5584 (zero_operand): Remove.
5585 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
5586 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
5588 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
5589 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5590 TARGET_BROKEN_SAVERESTORE): Remove.
5591 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5593 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5595 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
5598 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
5600 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
5602 * cpplib.c (do_pragma_implementation): Fix off-by-one error
5603 truncating a string. Don't assume tokens are nul terminated.
5604 Problem noted by Andreas Jaeger <aj@suse.de>
5606 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
5608 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
5609 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
5610 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
5612 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
5614 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
5615 STRUCTURE_SIZE_BOUNDARY.
5617 2000-03-13 Mark Mitchell <mark@codesourcery.com>
5619 * tree.h (record_layout_info_s): New structure.
5620 (record_layout_info): New type.
5621 (new_record_layout_info): New function.
5622 (layout_field): Likewise.
5623 (finish_record_layout): Likewise.
5624 * stor-layout.c (layout_record): Remove.
5625 (new_record_layout_info): New function.
5626 (layout_field): New function, broken out from layout_record.
5627 (finalize_record_size): Likewise.
5628 (compute_record_mode): Likewise.
5629 (finalize_type_size): New function, broken out from layout_type.
5630 (finish_record_layout): Likewise.
5631 (layout_type): Use them.
5633 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5635 * cpphash.c: Don't include version.h.
5636 (special_symbol) [case T_VERSION]: Look for the string in
5637 hp->value.cpval; don't use version_string.
5638 * cppinit.c (initialize_builtins): Set hp->value.cpval for
5639 __VERSION__ to version_string.
5640 * Makefile.in (cpphash.o): Update deps.
5642 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
5644 Convert cpplib to use libiberty/hashtab.c.
5646 * cpplib.h (struct cpp_reader): Make hashtab and
5647 all_include_files of type 'struct htab *'. Delete HASHSIZE
5648 and ALL_INCLUDE_HASHSIZE macros.
5650 * cpphash.h: Update prototypes.
5651 (struct hashnode): Remove next, prev, and bucket_hdr members.
5652 Make length a size_t. Add hash member.
5653 (struct ihash): Remove next member. Add hash member. Make
5654 name a flexible array member.
5656 * cppfiles.c: Include hashtab.h.
5657 (include_hash): Delete.
5658 (IHASHSIZE): New macro.
5659 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
5660 (cpp_included): Do the hash lookup here.
5661 (_cpp_find_include_file): Rewrite.
5662 (cpp_read_file): Put the "fake" hash entry into the hash
5663 table. Honor the control_macro, if it turns out we've seen
5664 the file before. Don't push the buffer here.
5665 (_cpp_read_include_file): Push the buffer here.
5666 (OMODES): New macro. Use it whenever we call open(2).
5668 * cpphash.c: Include hashtab.h.
5669 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
5670 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
5671 _cpp_lookup_slot): New functions.
5672 (HASHSIZE): new macro.
5673 (hashf, _cpp_install, _cpp_delete_macro): Delete.
5674 (_cpp_lookup): Use hashtab.h routines.
5676 * cppinit.c: Include hashtab.h.
5677 (cpp_reader_init): Call _cpp_init_macro_hash and
5678 _cpp_init_include_hash. Don't allocate hashtab directly.
5679 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
5680 pfile->all_include_files.
5681 (initialize_builtins): Use _cpp_make_hashnode and
5682 htab_find_slot to add hash entries.
5683 (cpp_finish): Just call _cpp_dump_macro_hash.
5684 * cpplib.c: Include hashtab.h.
5685 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
5686 create hash entries.
5687 (do_pragma_poison, do_assert): Likewise.
5688 (do_include): Don't push the buffer here. Don't increment
5689 system_include_depth unless _cpp_read_include_file succeeds.
5690 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
5692 (do_pragma_implementation): Use alloca to create copy.
5694 * Makefile.in: Update dependencies.
5696 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5698 * cppinit.c (cl_directive_handler): More K&R fixing.
5700 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
5702 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
5704 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
5706 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5708 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
5709 Change from char[] to macros.
5711 2000-03-12 Neil Booth <NeilB@earthling.net>
5713 * cppinit.c (cpp_start_read): Update indirect function
5716 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
5718 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
5721 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5722 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
5724 2000-03-11 Neil Booth <NeilB@earthling.net>
5726 * cppinit.c (struct pending option): Replace undef with a
5727 pointer to a directive handling routine.
5728 (struct cpp_pending): Replace separate assert_ and define_
5729 lists with one directive_ list.
5730 (new_pending_define): Rename new_pending_directive. Extra
5731 argument is the directive's handling routine.
5732 (handle_option): Update to use new_pending_directive.
5734 2000-03-11 Neil Booth <NeilB@earthling.net>
5736 * cppfiles.c (file_cleanup, _cpp_find_include_file,
5737 remap_filename, _cpp_read_include_file, actual_directory,
5738 hack_vms_include_specification): Replace bcopy(), index() etc
5739 calls. Add casts to some allocations. Make some variables
5740 pointers to const [unsigned] char.
5741 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
5742 collect_formal_parameters): Similarly.
5743 * cppinit.c (struct pending_option, append_include_chain,
5744 cpp_options_init, cpp_reader_init, initialize_standard_includes,
5745 cpp_start_read, new_pending_define, handle_option): Similarly.
5746 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
5747 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
5748 do_pragma_implementation, detect_if_not_defined,
5749 do_ifdef, skip_if_group, cpp_get_token, parse_string,
5750 do_assert, do_unassert): Similarly.
5751 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
5752 function prototypes.
5753 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
5755 2000-03-10 Richard Henderson <rth@cygnus.com>
5757 * builtins.c (expand_builtin_strlen): Revert last change.
5758 Use emit_insn_before if we're at the beginning of a sequence.
5760 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
5762 * builtins.c (expand_builtin_strlen): Make sure that we have something
5763 at the beginning of the sequence.
5765 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
5768 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
5770 2000-03-10 Richard Henderson <rth@cygnus.com>
5772 * except.c (can_throw): Use INTVAL on a CONST_INT.
5773 (reachable_handlers): Likewise.
5774 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
5776 2000-03-10 Andreas Jaeger <aj@suse.de>
5778 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
5779 MD_STARTFILE_PREFIX since those are not needed on linux.
5780 (ASM_FILE_START): New, from mips/gnu.h.
5782 2000-03-09 Richard Henderson <rth@cygnus.com>
5783 Alex Samuel <samuel@codesourcery.com> and others
5785 * Makefile.in (ssa.o): New rule.
5787 (STAGESTUFF): Add *.ssa and *.ussa.
5788 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
5789 * rtl.def (PHI): New RTL expression.
5790 * rtl.h (clear_log_links): New declaration.
5791 (convert_to_ssa): Likewise.
5792 (convert_from_ssa): Likewise.
5793 * flow.c (split_edge): If the entry node falls through to the
5794 split edge's source block, split the entry edge.
5795 (clear_log_links): New function.
5796 * toplev.c (ssa_dump): New variable.
5797 (flag_ssa): Likewise.
5798 (f_options): Add "ssa".
5799 (compile_file): Create SSA dump files.
5800 (rest_of_compilation): Go to and from SSA if enabled.
5801 (decide_d_option): Handle -de for SSA dump files.
5804 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
5806 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
5809 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
5811 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
5813 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
5815 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
5816 (MD_STARTFILE_PREFIX_1): New macro.
5818 2000-03-09 Robert Lipe <robertl@sco.com>
5820 * config/ia64/ia64.c: Include system.h.
5822 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5824 * except.c (nothrow_function_p): If -fno-exceptions, just return.
5825 (init_eh_nesting_info): Likewise.
5827 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
5828 (TREE_NOTHROW): Rename from TREE_RAISES.
5829 * toplev.c (rest_of_compilation): Set it.
5830 * print-tree.c (print_node): Adjust.
5831 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
5832 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
5833 * calls.c (emit_call_1): Add 'nothrow' parm. Add
5834 REG_EH_REGION note as appropriate.
5835 (libfunc_nothrow): New fn.
5836 (emit_library_call, emit_library_call_value): Use it.
5837 (expand_call): Check TREE_NOTHROW.
5839 * varasm.c (make_decl_rtl): Skip initial '*' when setting
5840 DECL_ASSEMBLER_NAME.
5842 2000-03-09 Andreas Jaeger <aj@suse.de>
5844 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
5845 (TARGET_MEM_FUNCTIONS): Define.
5847 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
5849 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
5851 * except.c (can_throw): See through a SEQUENCE.
5852 (nothrow_function_p): New fn.
5853 * except.h: Declare it.
5854 * function.c (current_function_nothrow): New var.
5855 (prepare_function_start): Initialize it.
5856 * output.h: Declare it.
5857 * toplev.c (rest_of_compilation): Set it.
5858 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
5860 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
5862 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
5863 match. (cpp_compare_defs): Count the nul separator when
5864 advancing over argument names.
5866 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
5868 * recog.c (preprocess_constraints): Matching constraints affect
5869 same alternative/different operand, not same operand/different
5872 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
5873 register and a constant specially.
5875 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5877 * libgcc2.h: New file.
5878 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
5880 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
5882 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
5883 * configure: Regenerate.
5886 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
5888 * Makefile.in (LIBCPP_DEPS): New macro.
5889 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
5891 * cpperror.c: Include cpphash.h.
5892 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
5894 (lex): Don't use CPP_WARN_UNDEF.
5895 (_cpp_parse_expr): Return an int, the truth value.
5896 * cppfiles.c: Include cpphash.h.
5897 (_cpp_merge_include_chains): Move to cppinit.c and make static.
5898 * cppinit.c (include_defaults_array): Disentangle.
5899 (cpp_cleanup): Don't free the if stack here.
5900 (cpp_finish): Pop off all buffers, not just one.
5901 * cpplib.c (eval_if_expr): Return int.
5902 (do_xifdef): Rename do_ifdef.
5903 (handle_directive): Don't use CPP_PREPROCESSED.
5904 (cpp_get_token): Don't use CPP_C89.
5905 * fix-header.c: Don't use CPP_OPTIONS.
5907 * cpplib.h: Move U_CHAR, enum node_type, struct
5908 file_name_list, struct ihash, is_idchar, is_idstart,
5909 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
5910 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
5911 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
5912 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
5913 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
5914 of _cpp_simplify_pathname, _cpp_find_include_file,
5915 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
5916 Move struct if_stack to cpplib.c. Move struct cpp_pending to
5918 Change all uses of U_CHAR to be unsigned char instead.
5919 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
5921 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
5923 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
5924 (dwarf2out_begin_prologue): Set it.
5925 (output_call_frame_info): Don't emit EH unwind info for leaves.
5927 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
5928 can occur outside of an EH region.
5929 * except.c: Correct comments about rethrow behavior.
5930 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
5932 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
5934 * flow.c (make_edges): Always call make_eh_edge for calls.
5936 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
5938 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
5939 (struct cpp_buffer): Remove fname and underflow fields.
5940 (struct cpp_reader): Remove get_token field.
5941 (struct include_hash): Rename to struct ihash. Add typedef to
5943 (struct if_stack): Remove fname field.
5944 (IF_STACK_FRAME): Rename to IF_STACK.
5946 * cpperror.c (print_containing_files): Trust that there are no
5947 macro buffers below the top file buffer.
5948 * cppfiles.c: Replace all references to 'struct include_hash'
5949 with 'IHASH'. Rename initialize_input_buffer to
5950 init_input_buffer. Don't set or reference cpp_buffer->fname,
5951 use buffer->ihash->name instead.
5952 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
5953 not CPP_NULL_BUFFER.
5954 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
5955 IF_STACK_FRAME, IHASH not struct include_hash.
5956 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
5957 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
5958 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
5959 references to cpp_buffer->fname (delete entirely, or use
5960 ->ihash->name instead) and IF_STACK->fname.
5961 (cpp_push_buffer): Don't set new->underflow.
5962 (do_include): Use cpp_file_buffer.
5964 * cpphash.c (collect_formal_parameters): Remove duplicate
5965 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
5966 used as a macro argument name. Don't append "..." to namebuf
5967 for varargs macros. After we're done scanning, go through
5968 namebuf and make it NUL separated, not comma separated.
5969 (_cpp_compare_defs): Remove register tag from variables.
5970 Expect defn->argnames to be NUL separated.
5971 (_cpp_dump_definition): Expect defn->argnames to be NUL
5972 separated and in forward order.
5973 * cpphash.h: Update documentation of argnames field.
5975 2000-03-08 Richard Henderson <rth@cygnus.com>
5977 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
5978 to fail. Don't pre-expand the source operand.
5980 * i386.md (strlensi): Initialize eoschar and align before use.
5982 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
5984 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
5985 CONSTRUCTOR element.
5987 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
5989 * mips.c (mips_expand_prologue): If the last
5990 named argument is the vararg marker "va_list", treat it as
5991 an unnamed argument.
5993 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
5995 * dbxout.c (dbxout_parms): When correcting for promoted
5996 big-endian parameters, use the mode of the DECL_RTL rather
5997 than UNITS_PER_WORD.
5999 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6001 * c-common.h (make_fname_decl): Declare.
6002 * c-common.c (make_fname_decl): Define.
6003 (declare_hidden_char_array): Remove.
6004 (declare_function_name): Use make_fname_decl.
6005 * c-decl.c (c_make_fname_decl): New function.
6006 (init_decl_processing): Set make_fname_decl.
6008 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6010 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6012 2000-03-07 Philipp Thomas <pthomas@suse.de>
6014 * po/POTFILES.in: Remove cppalloc.c from file list.
6016 2000-03-07 Steve Chamberlain <sac@pobox.com>
6018 * pj.c (pj_expand_prologue): current_function->args_info is
6019 now current_function_args_info.
6021 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6022 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6023 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6025 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6027 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6028 output as hexadecimal rather than the default octal.
6030 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6032 * cpphash.c (special_symbol): Fix thinko in previous commit.
6034 2000-03-07 Neil Booth <NeilB@earthling.net>
6036 * cppexp.c (struct operation, left_shift, right_shift,
6037 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6038 "int"s to "unsigned int"s.
6039 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6041 * cpplib.h: Update for above.
6042 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6043 returned from allocations.
6045 * cppinit.c (opt_comp, parse_options): New functions.
6046 (handle_option): Use parse_option to parse a single command
6047 line option, that possibly takes an argument.
6048 (cpp_handle_options): Sort the array of command line options on
6049 first invocation (non-ASCII hosts only).
6050 (print_help): Update.
6052 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6054 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6055 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6057 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6059 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6061 * cpperror.c (cpp_print_containing_files,
6062 cpp_print_file_and_line, v_cpp_message): Rename to
6063 print_containing_files, print_file_and_line, and v_message.
6064 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6065 to _cpp_parse_expr, parse_escape, and lex.
6066 (parse_charconst): Remove broken multibyte support.
6067 * cppfiles.c (include_hash): Make static.
6068 (cpp_included): New function.
6069 (merge_include_chains, find_include_file, finclude,
6070 simplify_pathname): Rename to _cpp_merge_include_chains,
6071 _cpp_find_include_file, _cpp_read_include_file, and
6072 _cpp_simplify_pathname.
6073 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6074 cpp_install, create_definition, macroexpand, compare_defs,
6075 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6076 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6077 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6078 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6080 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6082 * cpphash.h: Update prototypes.
6083 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6085 2000-03-07 Andrew Haley <aph@cygnus.com>
6087 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6088 PTRDIFF_TYPE should be based solely on Pmode.
6091 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6093 * rtl.h (rtunion_def): Constify member `rtstr'.
6094 (emit_line_note_after, emit_line_note, emit_line_note_force,
6095 emit_note, decode_asm_operands): Constify.
6097 * cse.c (canon_hash): Likewise.
6099 * dbxout.c (dbxout_block): Likewise.
6101 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6102 v_warning_for_asm): Likewise.
6104 * dwarfout.c (function_start_label): Likewise.
6106 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6107 emit_line_note_force): Likewise.
6109 * final.c (last_filename, asm_insn_count, final_scan_insn,
6110 output_source_line): Likewise.
6112 * function.h (struct emit_status): Likewise.
6114 * gcse.c (hash_expr_1): Likewise.
6116 * genattr.c (gen_attr, main): Likewise.
6118 * genattrtab.c (struct function_unit, current_alternative_string,
6119 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6120 attr_numeral, check_attr_test, check_attr_value,
6121 convert_set_attr_alternative, convert_set_attr,
6122 compute_alternative_mask, simplify_by_exploding, gen_attr,
6123 gen_unit): Likewise.
6125 * genflags.c (gen_insn): Likewise.
6127 * gengenrtl.c (type_from_format): Likewise.
6129 * genopinit.c (gen_insn): Likewise.
6131 * genoutput.c (n_occurrences, process_template, process_template):
6134 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6137 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6140 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
6141 ggc_set_mark, ggc_get_size): Likewise.
6143 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
6145 * optabs.c (init_one_libfunc): Likewise.
6147 * output.h (assemble_start_function): Likewise.
6149 * recog.c (decode_asm_operands): Likewise.
6151 * toplev.c (rest_of_compilation): Likewise.
6153 * tree.h (emit_line_note_after, emit_line_note,
6154 emit_line_note_force): Likewise.
6156 * varasm.c (asm_output_bss, asm_output_aligned_bss,
6157 asm_emit_uninitialised, assemble_start_function,
6158 assemble_variable, const_hash, compare_constant_1,
6159 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
6161 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
6163 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
6165 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
6167 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
6169 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
6170 arm_dllimport_name_p): Likewise.
6172 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
6175 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
6177 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6179 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
6180 arm_mark_dllexport, arm_mark_dllimport,
6181 arm_pe_encode_section_info): Likewise.
6183 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
6184 ASM_FINISH_DECLARE_OBJECT): Likewise.
6186 * arm/thumb.c (thumb_function_prologue): Likewise.
6188 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
6190 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6192 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
6194 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
6196 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
6198 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6200 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
6201 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
6203 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
6205 * i386/i386.c (asm_output_function_prefix): Likewise.
6207 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
6209 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6211 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
6213 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
6214 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
6215 ASM_OUTPUT_SECTION_NAME): Likewise.
6217 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
6219 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
6221 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
6223 * m32r/m32r.c (m32r_encode_section_info): Likewise.
6225 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6227 * mcore/mcore.c (mcore_encode_section_info): Likewise.
6229 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6231 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6233 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6235 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
6237 * mips/mips.md (movdi, movsi): Likewise.
6239 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6241 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6243 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
6245 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
6246 ASM_OUTPUT_ASCII): Likewise.
6248 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
6249 output_mi_thunk, output_toc): Likewise.
6251 * rs6000/rs6000.md (movsi): Likewise.
6253 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
6255 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
6257 * v850/v850.c (print_operand, print_operand_address,
6258 v850_encode_data_area): Likewise.
6260 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
6262 * config/mips/mips.md (zero_extendsidi2): Always force operand
6263 one to memory for mips16.
6265 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6267 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
6268 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
6269 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
6270 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
6271 (min_precision): Result is unsigned.
6272 (add_double, neg_double, mul_double): Low word is unsigned.
6273 (lshift_double, rshift_double, lrotate_double): Likewise.
6274 (rrotate_double, div_and_round_double): Likewise.
6275 (tree_floor_log2, compare_tree_int): New functions.
6276 (preserve_rtl_expr_temps): New declaration.
6277 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
6278 (decl_attributes): Use tree_log2 to find alignment.
6279 Check for TREE_INT_CST_HIGH for format args.
6280 (min_precision): Now unsigned.
6281 Use tree_floor_log2.
6282 (truthvalue_conversion): Delete long-disabled code.
6283 * c-decl.c (finish_struct): Clean up tests on field width.
6284 (finish_function): Use compare_tree_int.
6285 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
6286 * c-typeck.c (comptypes): Use tree_int_cst_equal.
6287 (default_conversion, digest_init): Use compare_tree_int.
6288 (build_binary_op): Use integer_all_onesp and compare_tree_int.
6289 Fix type errors in forming masks.
6290 * calls.c (initialize_argument_information): Use compare_tree_int.
6291 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6292 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
6293 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
6294 (store_field): Use compare_tree_int.
6295 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
6296 (expand_expr, case ARRAY_REF): Use compare_tree_int.
6297 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
6298 (do_store_flag): Use compare_tree_int.
6299 * fold-const.c (encode, decode): Low part is always unsigned.
6300 (force_fit_type, add_double, neg_double, mul_double): Likewise.
6301 (lshift_double, rshift_double, lrotate_double): Likewise.
6302 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
6303 (fold_convert): Use compare_tree_int.
6304 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
6305 (invert_truthvalue, case INTEGER_CST): Likewise.
6306 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
6307 * mkdeps.c (deps_dummy_targets): Make I unsigned.
6308 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
6309 (lshift_double, rshift_double, lrotate_double, rrotate_double):
6311 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
6312 (expand_end_case): Use compare_tree_int.
6313 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
6314 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
6315 (layout_decl): Likewise.
6316 (layout_record, layout_union): Make sizes unsigned.
6317 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
6318 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
6319 * tree.c (struct type_hash): hashcode is unsigned.
6320 (build_type_attribute_variant, type_hash_list): Likewise.
6321 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
6322 (attribute_hash_list, build_array_type, build_method_type): Likewise.
6323 (build_complex_type): Likewise.
6324 (real_value_from_int_cst): Remove unneeded casts.
6325 (integer_all_onesp): Add casts.
6326 (tree_floor_log2, compare_tree_int): New functions.
6327 (build_index_type): Use tree_int_cst_sgn.
6328 * varasm.c (assemble_variable): Use compare_tree_int.
6330 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
6332 * cpphash.c (collect_expansion): Also catch ## at start of macro.
6334 * varasm.c (make_decl_rtl): Don't add a number to members of
6336 (make_function_rtl): Likewise.
6338 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6340 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
6341 patch from 2000-01-28.
6343 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
6345 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
6346 filled with an insn from the jump target.
6348 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6350 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
6351 (c4x_external_ref): Likewise.
6352 * config/c4x/c4x.c (struct name_list): Likewise.
6354 1999-12-16 Ben Collins <bcollins@debian.org>
6356 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
6357 argument to genmultilib.
6358 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
6359 the contents into the multilib.h header.
6360 * gcc.c: Declare multilib_exclusions for the specs file.
6361 (set_multilib_dir): Use it.
6362 (print_multilib_info): Likewise.
6363 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
6364 to pass to genmultilib.
6366 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6368 * builtins.c (built_in_class_names, built_in_names): Constify a
6371 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
6373 (_mcleanup): Ensure value matches format specifier in sprintf.
6375 * cpphash.c (special_symbol): Don't needlessly cast away
6378 * cppinit.c (base_name): Delete unused prototype.
6380 * mkdeps.c (deps_init): Make definition K&R safe.
6382 * tree.h (built_in_class_names, built_in_names): Constify a
6385 2000-03-06 Jakub Jelinek <jakub@redhat.com>
6387 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
6388 floating point instructions for epilogue delay.
6390 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
6391 to gas if it supports .register pseudo.
6393 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
6394 LONG_DOUBLE_TYPE_SIZE if not defined.
6395 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
6396 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
6398 * gengenrtl.c: Likewise.
6399 * print-rtl.c: Likewise.
6401 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
6402 MASK_LONG_DOUBLE_128.
6403 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
6404 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
6405 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
6406 (SUBTARGET_SWITCHES): Define.
6407 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
6408 with -mlong-double-128.
6409 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6410 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6411 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6412 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
6413 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
6414 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
6415 with -mlong-double-128.
6416 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
6417 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
6418 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
6419 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
6420 TARGET_LONG_DOUBLE_128): Define.
6421 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
6422 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
6423 long double on TARGET_ARCH64.
6425 2000-03-06 Mark Mitchell <mark@codesourcery.com>
6427 * function.c (free_temps_for_rtl_expr): Don't free slots
6428 that have been pushed into a higher level.
6431 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6433 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6435 * basic-block.h (ALLOCA_REG_SET): Remove.
6436 (INITIALIZE_REG_SET): New macro.
6437 * flow.c (update_life_info): Use it.
6438 (calculate_global_regs_live): Likewise.
6439 (propagate_block): Likewise.
6440 * global.c (build_insn_chain): Likewise.
6441 * haifa-sched.c (schedule_region): Likewise.
6443 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
6445 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
6446 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
6447 (DWARF_ARANGES_PAD_SIZE): New define.
6448 (output_aranges): Use it to pad the address range header.
6449 (DWARF_ROUND): Fix for non power of 2 rounding.
6451 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
6453 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
6455 2000-03-05 Mark Mitchell <mark@codesourcery.com>
6457 * tree.def (RTL_EXPR): Update documentation.
6458 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
6459 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
6460 * function.c (preserve_rtl_expr_temp): New function.
6461 (preserve_rtl_expr_temps): Likewise.
6462 (preserve_rtl_expr_result): Use it.
6465 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6467 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
6469 * regmove.c (copy_src_to_dest) Do not create src->dest move
6470 for unchanging destination.
6472 2000-03-04 Mark Mitchell <mark@codesourcery.com>
6474 * function.h (struct sequence_stack): Remove rtl_expr.
6475 (struct emit_staus): Likewise.
6476 (seq_rtl_expr): Remove.
6477 * tree.h (free_temps_for_rtl_expr): Don't declare.
6478 (start_sequence_for_rtl_expr): Likewise.
6479 * rtl.h (preserve_rtl_expr_result): Likewise.
6480 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
6481 (start_sequence_for_rtl_expr): Remove.
6482 (push_topmost_sequence): Don't save sequence_rtl_expr.
6483 (pop_topmost_sequence): Remove comment about not restoring it.
6484 (end_sequence): Don't set seq_rtl_expr.
6485 (init_emit): Don't initialize it.
6486 (mark_sequence_stack): Don't mark it.
6487 (mark_emit_status): Likewise.
6488 * except.c (protect_with_terminate): Use
6489 start_sequence_for_rtl_expr, not start_sequence.
6490 * expr.c (expand_expr, case RTL_EXPR): Don't call
6491 preserve_rtl_expr_result or free_temps_for_rtl_expr.
6492 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
6493 (preserve_rtl_expr_result): Remove.
6494 (free_temps_for_rtl_expr): Likewise.
6495 (pop_temp_slots): Likewise.
6496 (mark_temp_slot): Don't mark the rtl_expr.
6497 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
6498 start_sequence_for_rtl_expr.
6500 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
6502 * mkdeps.c, mkdeps.h: New files.
6503 * po/POTFILES.in: Add them.
6504 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6505 (cpplib.o, cppinit.o): Depend on mkdeps.h.
6506 (mkdeps.o): New target.
6508 * cppfiles.c: Delete deps_output.
6509 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
6510 OBJECT_SUFFIX, and base_name.
6511 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
6513 (initialize_dependency_output): Use deps_init,
6514 deps_add_target, deps_calc_target, and deps_add_dep. Remove
6515 all the unnecessary string bashing.
6516 (cpp_finish): Use deps_write. Remove an unnecessary nesting
6518 * cpplib.c (do_include): Use deps_add_dep.
6519 * cpplib.h (struct cpp_reader): Replace deps_buffer,
6520 deps_allocated_size, deps_size, deps_column members with
6521 single pointer to a struct deps. Delete prototype of
6524 * cppinit.c: Fix thinko in previous patch.
6526 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6528 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
6529 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
6530 (mode_for_size_tree): New function.
6531 (layout_decl, layout_type): Call it and clean up BLKmode checks.
6532 * tree.h (mode_for_size_tree): New declaration.
6534 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
6536 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
6538 * stmt.c (is_body_block): Move...
6539 * dwarfout.c, dwarf2out.c: ...from here.
6540 * tree.h: Declare it.
6541 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
6542 * final.c (final_start_function): Do call remove_unnecessary_notes
6545 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6547 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
6549 * cpplib.h (_dollar_ok): New macro.
6550 (is_idchar, is_idstart): Use it.
6551 (IStable): Rename to _cpp_IStable. Declare it const if
6552 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
6553 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
6554 is_space): Update for renamed IStable.
6556 * cppinit.c: Delete all references to FAKE_CONST and CAT
6557 macros. Define init_IStable as empty macro if gcc >=2.7 or
6558 C99. Change TABLE() to ISTABLE and hardcode name of table.
6559 (cpp_start_read): Don't change the IStable based on
6562 * cpphash.c (unsafe_chars): Add pfile argument. All callers
6563 changed. Handle '$' for char1 correctly.
6564 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
6566 * cppexp.c (tokentab2): Make const.
6567 (cpp_lex): Make toktab const.
6568 * cppinit.c (include_defaults_array): Make const.
6569 (initialize_standard_includes): Make default_include const.
6571 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6573 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
6574 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
6575 (gen_decl_die): Likewise.
6576 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
6577 (output_decl): Likewise.
6579 * varasm.c (make_function_rtl): If we change the name used in the
6580 rtl, update DECL_ASSEMBLER_NAME accordingly.
6581 (make_decl_rtl): Likewise.
6583 * toplev.c (rest_of_compilation): Tweak formatting.
6585 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
6586 remove_unnecessary_notes.
6587 (debug_ignore_block): New fn.
6588 * toplev.h: Declare it.
6589 * emit-rtl.c (remove_unncessary_notes): Call it.
6590 * dwarf2out.c (dwarf2out_ignore_block): New fn.
6591 * dwarf2out.h: Declare it.
6592 * final.c (final_start_function): Don't call remove_unnecessary_notes
6593 if we did insn scheduling.
6595 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
6597 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
6598 * cpplib.h: Delete SET_CPP_PEDANTIC.
6600 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6602 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
6603 result is a RECORD_TYPE.
6605 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
6607 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
6609 2000-03-03 Richard Henderson <rth@cygnus.com>
6611 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
6612 addition over compliments over shifts.
6614 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6616 * reload1.c (reload_combine_note_use): Handle return register USEs.
6617 REG case: Handle multi-hard-register hard regs.
6619 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6621 * md.texi: Document use of '*' in insn pattern name.
6623 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
6625 * calls.c (special_function_p): operator new may not be malloc-like.
6627 * gcse.c (dump_hash_table): Really fix error in last change.
6629 2000-03-02 Denis Chertykov <denisc@overta.ru>
6631 * avr.c (print_operand): Use print_operand_address instead of
6633 * avr/libgcc.S: Cleanup code.
6635 2000-03-02 Richard Henderson <rth@cygnus.com>
6637 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
6639 2000-03-02 Mark Mitchell <mark@codesourcery.com>
6641 * tree.h (TYPE_ALIGN_UNIT): New macro.
6643 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
6645 * i386.c: (constant_call_address_operand): Reject CONST_INT.
6647 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
6649 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
6651 (SET_CPP_PEDANTIC): New macro.
6652 * cpplib.c (do_include): Don't bother checking system_header_p.
6653 (do_warning, do_ident, do_assert, do_unassert): Likewise.
6654 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
6656 * function.h (struct expr_status): Add x_arg_space_so_far.
6657 (arg_space_so_far): New macro.
6658 * expr.c (init_expr): Initialize it.
6659 * calls.c (emit_call_1): Reset it.
6660 (compute_argument_block_size, expand_call): Use it.
6661 (expand_call, store_one_arg): Increment it.
6663 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6665 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
6668 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
6670 * cppfiles.c (cpp_read_file): New function.
6672 * cpphash.c (collect_expansion): Make sure to reset last_token
6673 to NORM when we hit a string. Handle trailing whitespace
6674 properly when the expansion is empty.
6675 (create_definition): Disable line commands while parsing the
6677 (dump_definition): If pfile->lineno == 0, output a line
6678 command ahead of the dump, and add a trailing newline.
6680 * cppinit.c (append_include_chain): Add fifth argument, which
6681 indicates whether or not system headers are C++ aware.
6682 (initialize_standard_includes): New function,
6683 broken out of read_and_prescan. Pass 'cxx_aware' value from
6684 the include_defaults_array on to append_include_chain.
6685 (dump_special_to_buffer): Const-ify char array.
6686 (builtin_array): Don't dump __BASE_FILE__.
6687 (cpp_start_read): Use cpp_read_file. Reorder code for
6688 clarity. Don't output line commands here for -D/-A/-U
6689 switches. Don't call deps_output for files included with
6690 -include or -imacros.
6692 * cpplib.c (do_define): Don't pay any attention to the second
6694 (cpp_expand_to_buffer): Disable line commands while scanning.
6695 (output_line_command): Work in the file buffer.
6696 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
6697 Fix formatting of comments. Prototype cpp_read_file.
6699 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6701 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
6702 reference the language-equivalent of sizetype.
6703 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
6704 * fold-const.c (size_binop, size_diffop): Put back checks.
6705 * gcse.c (dump_hash_table): Fix minor error in last change.
6706 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
6707 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
6710 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
6712 * calls.c (expand_call) Do not attempt to combine stack adjustments
6713 with inhibit_defer_pop set.
6715 2000-03-01 Mark Mitchell <mark@codesourcery.com>
6717 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
6718 the DECL_SIZE for a FIELD_DECL.
6720 2000-03-01 Bruce Korb <bkorb@gnu.org>
6722 * fixinc/inclhack.tpl: remove unused symlinks
6723 * fixinc/README: GCC Maintainer info
6724 * fixinc/inclhack.sh: regen
6725 * fixinc/fixincl.sh: regen
6727 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
6729 * cpphash.c (collect_expansion): Trim trailing white space
6730 from macro definitions, but don't go past the last insertion
6733 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
6735 * i386.md (mulqi3): New pattern.
6737 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
6739 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
6741 (struct cpp_reader): Add parsing_if_directive and
6742 parsing_define_directive flags.
6743 (struct cpp_options): Remove output_conditionals flag.
6744 (check_macro_name): Delete prototype.
6746 * cpphash.h (struct macrodef): Delete.
6747 (struct reflist): Separate from struct definition.
6748 (struct definition): Remove unused fields. Add column number.
6749 (create_definition): Returns a DEFINITION *. Takes a
6750 cpp_reader * and an int.
6752 * cpphash.c (SKIP_WHITE_SPACE): Delete.
6753 (PEEKC): Copy defn from cpplib.c.
6754 (rest_extension, REST_EXTENSION_LENGTH): Delete.
6756 (struct arglist): Simplify.
6757 (collect_expansion): Rewrite. Get tokens by calling
6758 cpp_get_token. Add more error checking.
6759 (collect_formal_parameters): New function, broken out of
6760 create_definition and reworked to use get_directive_token.
6761 (create_definition): All real work is now in collect_expansion
6762 and collect_formal_parameters. do_define handles finding the
6763 macro name. Return a DEFINITION, not a MACRODEF.
6764 (macroexpand): Replace bcopy with memcpy throughout. Replace
6765 character-at-a-time copy loop with memcpy and pointer increments.
6766 (compare-defs): d1->argnames / d2->argnames might be null.
6768 * cpplib.c (copy_rest_of_line): Delete function.
6769 (skip_rest_of_line): Do all the work ourselves.
6770 (skip_string): New function.
6771 (parse_string): Use skip_string.
6772 (get_macro_name): New function.
6773 (check_macro_name): Delete.
6774 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
6775 (cpp_skip_hspace): Use CPP_BUMP_LINE.
6776 (handle_directive): ICE if we're called on a macro buffer.
6777 (do_define): Determine macro name and type (funlike/objlike)
6778 here. Expunge all uses of MACRODEF.
6779 (cpp_push_buffer): Set line_base to NULL.
6780 (do_undef, read_line_number): Don't worry about getting a POP token.
6781 (eval_if_expression): Set/reset parsing_if_directive around
6782 cpp_parse_expr. Don't clear only_seen_white.
6783 (skip_if_group): Remove output_conditionals logic. Use
6785 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
6786 tokens under appropriate conditions.
6787 (cpp_unassert): Call do_unassert not do_assert. Oops.
6789 * cppexp.c (parse_defined): New function, break out of
6791 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
6792 ourselves, with cpp_defined.
6793 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
6795 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
6796 * gcc.dg/strpaste-2.c: New.
6798 2000-02-29 Mark Mitchell <mark@codesourcery.com>
6800 * fold-const.c (size_binop): Don't asert inputs are the same and
6801 have TYPE_IS_SIZETYPE set.
6802 (size_diffop): Likewise.
6804 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
6806 * dwarfout.c (output_block): Output abstract blocks even if they
6807 don't have TREE_ASM_WRITTEN set.
6809 * calls.c (emit_library_call): Check for null REG.
6811 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
6813 * c-decl.c (current_function_decl): Move to toplev.c.
6814 (init_decl_processing): Don't add current_function_decl as a ggc
6816 * dbxout.c (dbxout_symbol): Change return type to int.
6817 (dbxout_symbol_location, dbxout_syms): Likewise.
6818 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
6819 any locals. Use current_function_func_begin_label if set.
6820 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
6821 * dwarf2out.c (dwarf2out_begin_prologue): Set
6822 current_function_func_begin_label.
6823 * final.c (final_start_function): Reset it.
6824 * toplev.c (current_function_decl): Define it here.
6825 (current_function_func_begin_label): New variable.
6826 (main): Add both as ggc roots.
6827 * tree.h (current_function_func_begin_label): Declare.
6829 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6831 * gcse.c: Cleanups throughout: mostly white-space, but also
6832 some minor rearrangement of code.
6834 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
6836 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
6837 returns a PARALLEL. Use emit_group_load and use_group_regs
6839 (emit_library_call_value): Similarly.
6841 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
6842 * pa/quadlib.asm: Remove.
6843 * pa/quadlib.c: New file.
6845 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
6846 * configure: Rebuilt.
6848 2000-02-29 Philip Blundell <pb@futuretv.com>
6850 * config/arm/conix-elf.h: New file.
6851 * configure.in (arm*-*-conix*): New configuration.
6852 * configure: Regenerate.
6854 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
6856 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
6857 don't have TREE_ASM_WRITTEN set.
6859 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6861 * Eliminate DECL_FIELD_SIZE.
6862 * builtins.c (built_in_class_names, built_in_names): New variables.
6863 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
6864 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
6865 DECL_SIZE, not DECL_FIELD_SIZE.
6866 * print-tree.c (print_node): Remove code that prints extra blank
6867 lines in some cases.
6868 Properly handle inline and builtin function cases.
6869 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
6870 * tree.h (built_in_class_named, built_in_names): New declarations.
6871 (union tree_decl): Rename internal unions to u1 and u2 and change
6872 some of their components.
6873 Add new field built_in_class.
6874 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
6875 Reflect above changes.
6876 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
6877 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
6878 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
6879 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
6881 2000-02-28 Dmitri Makarov <dim@windriver.com>
6883 * extend.texi: Document ARM's support for long/short calls.
6885 * invoke.texi: Document ARM's -mlong-calls command line switch.
6887 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
6888 (arm_encode_call_attribute): Add prototype.
6889 (arm_set_default_type_attribute): Add prototype.
6890 (arm_strip_name_encoding): Add prototype.
6892 * config/arm/arm.c (arm_init_cumulative_args): replace
6893 initialisation og 'long_calls' field with initialisation of
6894 'call_cookie' field.
6895 (enum arm_pragma_enum): New enum.
6896 (arm_pragma_long_calls): New static variable.
6897 (arm_process_pragma): Also process "#pragma long_calls_off".
6898 (arm_valid_type_attribute_p): Accept short_call attribute.
6899 (arm_comp_type_attributes): Check long/short call attributes.
6900 (arm_encode_call_attribute): New function: Encode long_call
6901 or short_call attribute in function name.
6902 (arm_set_default_type_attributes): New function: Assign
6903 default attributes to newly defined type.
6904 (current_file_function_operand): New function: Return true if
6905 the symbol is a function which has already been compiled.
6906 (arm_is_longcall_p): New function: Return true if the
6907 indicated function should be called via a long call.
6908 (arm_get_strip_length): New function. Returns number of
6909 prefix characters to be stripped from a function's name.
6910 (arm_strip_name_encoding): New function. Strip prefix characters
6911 from a function's name.
6913 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
6915 (SHORT_CALL_FAG_CHAR): Define.
6916 (LONG_CALL_FAG_CHAR): Define.
6917 (ENCODED_SHORT_CALL_ATTR_P): Define.
6918 (ENCODED_LONG_CALL_ATTR_P): Define.
6919 (ARM_NAME_ENCODING_LENGTHS): Define.
6920 (STRIP_NAME_ENCODING): Define.
6921 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
6922 (ARM_ENCODE_CALL_TYPE): Define.
6923 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
6924 (ARM_DECLARE_FUNCTION_SIZE): Define.
6925 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
6927 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
6928 if a long call is needed.
6929 (call_value): Ditto.
6930 (call_symbol): Ditto.
6932 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
6933 ARM_DECLARE_FUNCTION_SIZE.
6935 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
6936 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
6937 (ARM_STRIP_NAME_ENCODING): Undefine.
6938 (STRIP_NAME_ENCODING): Undefine.
6939 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
6940 (ASM_DECLARE_FUNCTION_NAME): Ditto.
6941 (ASM_OUTPUT_COMMON): Ditto.
6942 (ASM_DECLARE_OBJECT_NAME): Ditto.
6944 * config/arm/pe.c (arm_dllexport_name_p): Check for
6946 (arm_dllimport_name_p): Ditto.
6947 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
6948 (arm_mark_dllimport): Ditto.
6950 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6952 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
6954 2000-02-28 Mark Mitchell <mark@codesourcery.com>
6956 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
6958 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
6960 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
6961 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
6962 NO_BUILTIN_WCHAR_TYPE is not defined.
6963 (CPP_WCHAR_TYPE): Delete.
6964 * cccp.c (main): Don't change wchar_type if cplusplus.
6965 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
6967 2000-02-28 Nick Clifton <nickc@cygnus.com>
6969 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
6971 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
6973 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
6974 (ASM_WEAKEN_LABEL): Define.
6976 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
6978 * expr.c (store_constructor): Do not emit USE.
6979 * rtl.h (stupid_life_analysis): Remove.
6981 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6983 * function.c (number_blocks): Reset next_block_index based on
6984 what debugging format is used, not what is defined.
6986 * lcm.c: Minor reformatting throughout.
6987 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
6989 * toplev.c (rest_of_compilation): Account for time in
6990 optimize_mode_switching.
6992 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
6993 if only marking labels.
6995 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
6997 * calls.c (expand_call): Attempt to combine stack adjustments with
6998 pending stack adjustments.
7000 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7002 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7003 to the end of the function.
7005 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7007 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7009 * final.c (next_block_index): Remove.
7010 (max_block_depth): Likewise.
7011 (pending_blocks): Likewise.
7012 (init_final): Don't initialize them.
7013 (final_start_function): Don't set next_block_index. Set up
7015 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7016 * function.h (number_blocks): New function.
7017 * function.c (get_block_vector): New function.
7018 (identify_blocks): Use it.
7019 (reorder_blocks): Set NOTE_BLOCK.
7020 (number_blocks): New function.
7021 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7022 * tree.h (BLOCK_NUMBER): New macro.
7023 (tree_block): Add block_num field.
7024 * dbxout.c (next_block_number): Remove.
7025 (dbxout_init): Don't set it.
7026 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7027 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7029 * toplev.c (rest_of_compilation): Always call
7030 find_loop_tree_blocks. Fix indentation.
7031 * dwarf2out.c (next_block_number): Remove.
7032 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7033 to determine block numbers.
7034 (gen_inlined_subroutine_die): Likewise.
7035 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7036 (decls_for_scope): Don't increment next_block_number.
7037 * dwarfout.c (next_block_number): Remove.
7038 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7039 to determine block numbers.
7040 (output_inlined_subroutine_die): Likewise.
7041 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7042 (output_decls_for_scope): Don't increment next_block_number.
7043 * sdbout.c (next_block_number): Remove.
7044 (sdbout_block): Use BLOCK_NUMBER.
7045 (sdbout_begin_block): Simplify.
7046 * xcoffout.c (next_block_number): Remove.
7047 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7048 (xcoffout_begin_block): Don't set next_block_number.
7049 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7052 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7054 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7055 (expand_builtin_strcpy): Pass correct type to size_binop.
7056 (expand_builtin_strcmp): Likewise.
7057 Clean up conditional structure.
7058 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7059 (complete_array_type): Don't use size_binop for MAXINDEX.
7060 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7061 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7062 (c_alignof): Use size_one_node.
7063 (build_unary_op): Pass arg of proper type to size_binop.
7064 (really_start_incremental_init, push_init_level): Use sizetype for
7065 constructor{,_bit,_unfilled}_index.
7066 (pop_init_label, output_init_element): Likewise.
7067 (output_pending_init_elements, process_init_element): Likewise.
7068 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7069 * expr.c (store_expr): Use size_int.
7070 (store_constructor): Use proper types for size_binop args.
7071 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7072 (expand_expr_unaligned): Likewise.
7073 (string_contant): Return object of sizetype.
7074 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7075 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7076 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7077 * fold-const.c (int_const_binop): Refine when size_int is called.
7078 (fold_convert): Likewise.
7079 (size_int_wide): Rework to take KIND as arg, only take low order
7080 bits, handle new sizetype_tab datatype, and chain entries in
7082 (size_int_type_wide): New function.
7083 (size_binop): Validate types of arguments.
7084 (ssize_binop): Deleted.
7085 (size_diffop): New function.
7086 (extract_muldiv): Only fold division into multiplication for sizetypes.
7087 * function.c (assign_parms): Use size_diffop and make sure
7088 VAR field is of ssizetype; also pass proper type to size_binop.
7089 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7090 (round_down): Deleted from here.
7091 * store-layout.c (sizetype_tab): Now an array.
7092 (sizetype_set, early_root_list): New variables.
7093 (variable_size): Use size_one_node.
7094 (round_up): Pass proper type to size_binop.
7095 (round_down): Moved to here and corrected as above.
7096 (layout_record): Pass proper arg types to size_binop.
7097 (layout_type): Likewise.
7098 If sizetype_set is zero, record the type just laid out.
7099 (make_unsigned_type): Don't call set_sizetype;
7100 (make_signed_type): Likewise; also, call fixup_signed_type.
7101 (initialize_sizetypes): New function.
7102 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7103 set name of bitsizetype to "bit_size_type".
7104 Fix up type of sizes of all types made before call.
7105 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7106 * tree.c (fix_sizetype): Deleted.
7107 (build_common_tree_nodes): Call initialize_sizetypes.
7108 (build_common_tree_nodes_2): Don't call fix_sizetype.
7109 * tree.h (TYPE_IS_SIZETYPE): New macro.
7110 (initialize_sizetype): New declaration.
7111 (enum size_type_kind): New type.
7112 (struct sizetype_tab): Deleted.
7113 (sizetype_tab): Now array; adjust sizetype macros.
7114 (size_diffop, size_int_type_wide): New functions.
7115 (size_int_wide): Change number of args and type; access macros changed.
7116 (ssize_int, sbitsize_int): New macros.
7117 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7118 (ROUND_TYPE_SIZE_UNIT): New macro.
7120 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7122 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7124 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7126 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7127 Mark as possibly unused.
7129 * cse.c (cse_insn): Delete dead code involving tablejump.
7130 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7132 * Makefile.in (libcpp.a): Start by deleting it.
7134 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7136 * cpplib.h (enum file_change_code): Added rename_file.
7137 * cpplib.c (do_line): If a filename is given, set file_change to
7139 (output_line_command): If file_change is rename_file, always
7140 output a # directive with the file name.
7142 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
7144 2000-02-26 Mark Mitchell <mark@codesourcery.com>
7146 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
7147 when copying a PARM_DECL or RESULT_DECL.
7149 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7151 * fix-header.c (recognized_function): Also fix prototypes for
7152 functions taking "void".
7154 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7156 * reload1.c (do_output_reload): Check reg_reloaded_valid before
7157 looking at reg_reloaded_contents.
7159 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
7161 * Makefile.in (STMP_FIXINC): New toggle.
7162 (LIBGCC2_DEPS): Delete all references.
7163 (stmp-headers): Delete target. All references either deleted
7164 or changed to stmp-int-headers.
7165 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
7166 (LIBCPP_OBJS): Take out cppalloc.o.
7167 (cppalloc.o): Delete target.
7168 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
7169 (gen-protos, fix-header): Link with libiberty.a.
7170 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
7173 * configure.in: Remove refs to strerror.
7174 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
7175 * system.h: Take out strerror stanza.
7177 * cpperror.c (my_strerror): Delete function.
7178 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
7179 * cppmain.c (main): Call xmalloc_set_program_name first thing.
7180 * cppalloc.c: Delete file.
7181 * gen-protos.c: Don't provide xrealloc.
7183 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
7184 xstrerror throughout.
7186 2000-02-26 Bruce Korb <bkorb@gnu.org>
7188 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
7189 match for DOS headers, too.
7190 * fixinc/inclhack.sh,fixincl.x: Regenerate.
7192 2000-02-26 Geoff Keating <geoffk@cygnus.com>
7194 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
7195 is right for most ELF targets.
7196 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
7197 Let the default file use %U properly.
7198 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
7201 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
7204 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7206 * toplev.c (documented_lang_options): Correct spelling error.
7207 (decode_d_option, decode_f_option, main): Likewise.
7209 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
7211 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
7212 to tell assembler it is permitted to expand large constants.
7214 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
7216 * protoize.c: (AUX_INFO_SUFFIX): New macro.
7217 (aux_info_suffix): Use.
7218 (SAVE_SUFFIX): New macro.
7220 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
7221 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
7222 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
7224 * invoke.texi (Running Protoize): Update documentation.
7226 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
7228 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
7230 2000-02-25 John Wehle (john@feith.com)
7232 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
7234 2000-02-25 Anthony Green <green@cygnus.com>
7236 * toplev.c (rest_of_compilation): Rebuild jump labels if
7237 combine_instructions has created a new direct jump.
7238 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
7240 (combine_instructions): Call try_combine with new argument.
7241 Return non-null value when new direct jump instruction is created.
7242 * rtl.h: combine_instructions returns an int.
7244 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
7246 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
7247 jump when changing a computed jump into a jump to a known
7250 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
7252 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
7253 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
7255 * i386.md (define_expand "clrstrsi"): Fix typo.
7257 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
7259 * rtl.texi: Fix typo.
7261 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7263 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
7264 UNITS_PER_WORD. Change caller initial_elimination_offset.
7265 (rounded_frame_size): Take into account that argument pushed has
7266 changed. Fix TARGET_ALIGN_DOUBLE problem.
7268 2000-02-25 Geoff Keating <geoffk@cygnus.com>
7270 * haifa-sched.c (schedule_block): Explain the real reason
7271 we delete REG_SAVE_NOTEs on the first insn of a block.
7272 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
7274 2000-02-24 Mark Mitchell <mark@codesourcery.com>
7276 * input.h (push_srcloc): New function.
7277 (pop_srcloc): Likewise.
7278 * toplev.c (push_srcloc): Define it.
7279 (pop_srcloc): Likewise.
7281 2000-02-24 Richard Henderson <rth@cygnus.com>
7283 * flow.c (life_analysis): When collecting reg info, clear
7286 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7288 Fix bug exposed by reload.c no longer rounding the frame
7289 size to BIGGEST_ALIGNMENT:
7290 * sh.c (rounded_frame_size): New function.
7291 (sh_expand_prologue, sh_expand_epilogue): Use it.
7292 (initial_elimination_offset): Likewise.
7294 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7296 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
7297 * sh-protos.h (sh_need_epilogue): Declare.
7298 * sh.c (sh_need_epilogue_known): New static variable.
7299 (sh_need_epilogue): New function.
7300 (function_epilogue): Clear need_epilogue_known.
7301 * sh.md (return): Split into expander / insn pattern.
7302 Make the expander conditional on ! sh_need_epilogue ().
7304 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
7306 * machmode.h (get_mode_alignment): Declare.
7307 (GET_MODE_ALIGNMENT): Call it.
7308 * stor-layout.c (get_mode_alignment): New function. Make
7309 sure alignment is always power of 2.
7311 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7313 * i386.h: Remove useless definition of "I386" and misleading
7316 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7318 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
7319 under which TREE_PERMANENT will be set.
7320 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
7321 build1): Use TREE_SET_PERMANENT.
7322 * print-tree.c (print_node): Don't report value of
7323 TREE_PERMANENT if ggc_p is true.
7325 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
7326 decide whether to give a type a new alias set.
7327 * objc/objc-act.c (build_objc_string_object): Never copy the string.
7328 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
7329 of value of 'obstack'.
7332 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7334 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
7336 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7338 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
7339 * cpplib.c (cpp_get_token): Produce them.
7340 * cppexp.c (cpp_lex): Handle them.
7342 2000-02-23 Nick Clifton <nickc@cygnus.com>
7344 * config/arm/arm.c (arm_comp_type_attributes): Simply and
7345 comment tests on type attributes.
7347 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7349 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
7350 conform to documentation.
7351 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
7352 to check for special cases.
7353 * sh-protos.h (sh_loop_align): Declare.
7354 * sh.c (sh_loop_align): Define.
7356 2000-02-22 Andrew Haley <aph@cygnus.com>
7358 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
7359 (SIZE_TYPE): Is 32 bits when using -mgp32.
7360 (PTRDIFF_TYPE): Ditto.
7362 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7364 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
7366 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
7368 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
7369 BIGGEST_FIELD_ALIGNMENT a constant.
7371 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
7373 * dwarf2out.c (output_line_info): Put the marker for the end of
7374 the line number info at the actual end.
7375 (gen_struct_or_union_type_die): Use decl_function_context
7376 to check for local classes.
7377 * dwarfout.c (output_type): Likewise.
7379 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
7381 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
7382 for arguments with a mode, but no type.
7383 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
7384 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
7385 * pa/long_double.h: New file.
7386 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
7387 both have 128bit wide long doubles.
7388 * configure: Rebuilt.
7390 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7392 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
7394 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
7395 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
7396 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
7398 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
7400 * integrate.c (compare_blocks, find_block): Likewise.
7402 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
7404 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
7406 * stmt.c (stmt_status, set_file_and_line_for_stmt,
7407 expand_asm_operands): Likewise.
7409 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
7411 * predict.c (estimate_probability): Added the pointer heuristic to
7412 the collection of static branch predictors.
7414 2000-02-21 Catherine Moore <clm@cygnus.com>
7416 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
7417 * invoke.texi (-mfix7000): Document.
7419 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
7421 * diagnostic.c (init_output_buffer): Make it possible to output at
7422 least 32 characters if we're given a too long prefix.
7424 2000-02-20 Mark Mitchell <mark@codesourcery.com>
7426 * varasm.c (initializer_constant_valid_p): Call
7427 lang_expand_constant to simplify the constant.
7429 2000-02-20 Bruce Korb <bkorb@gnu.org>
7431 * fixinc/inclhack.def(stdio_va_list):
7432 typedef needs to be disabled.
7433 * fixinc/inclhack.sh: regen
7434 * fixinc/fixincl.x: regen
7436 2000-02-20 Geoff Keating <geoffk@cygnus.com>
7438 * print-rtl.c (print_rtx): Don't print addresses when
7439 flag_dump_unnumbered.
7441 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7443 * sparc.c (sparc_output_scratch_registers): Mark parameter with
7445 (sparc_va_arg, sparc_flat_output_function_prologue,
7446 sparc_flat_output_function_epilogue): Cast value to unsigned in
7448 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
7450 * sparc.md: Add default case in switch.
7452 2000-02-19 Richard Henderson <rth@cygnus.com>
7454 * c-typeck.c (add_pending_init): Don't abort for multiple
7455 fields at the same offset.
7456 (pending_init_member): Test the correct member.
7458 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7460 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
7462 (start_catch_handler) : Same.
7464 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
7466 * Makefile.in: Have flow.o depend on $(EXPR_H)
7468 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7470 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
7471 * c-decl.c (duplicate_decls, finish_enum): Likewise.
7472 (finish_decl): Remove -Wlarger-than code from here.
7473 * flags.h (id_clash_len): Now int.
7474 (larger_than_size): Now HOST_WIDE_INT.
7475 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
7476 Clean up checking to see if in table.
7477 (make_bit_field_ref): Remove extra parm to bitsize_int.
7478 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
7479 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
7480 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
7481 and for computing size of decl.
7482 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
7483 Move -Wlarger-than code to here.
7484 (layout_record): Remove extra arg to bitsize_int.
7485 Set TYPE_BINFO_SIZE_UNIT.
7486 (layout_union): Remove extra arg to bitsize_int.
7487 Use proper type for size of QUAL_UNION.
7488 (layout_type): Remove extra arg to bitsize_int.
7489 * toplev.c (id_clash_len): Now int.
7490 (larger_than_size): Now HOST_WIDE_INT.
7491 (decode_W_option): Clean up id-clash and larger-than- cases.
7492 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
7493 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
7494 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
7495 (struct tree_decl): New field size_unit.
7496 (size_int_wide): No HIGH operand; NUMBER is now signed.
7497 (size_int_2): Deleted.
7498 (size_int, bitsize_int): Don't use it and rework args.
7499 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
7501 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
7503 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
7505 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7507 * invoke.texi (Warning Options): Add an explanation of why
7508 you might want the -Wfloat-equal flag.
7510 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7512 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
7513 * cppinit.c (new_pending_define): Add cast to avoid warning.
7514 * expmed.c (extract_bit_field): Likewise.
7515 * flow.c (enum reorder_skip_type): New type.
7516 (skip_insns_between_blcok): New it.
7517 Rework to avoid warning about possibly undefined variable.
7518 * function.c (assign_parms): Make thisparm_boundary unsigned.
7519 * genrecog.c (write_switch): Cast XWINT result to int.
7520 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
7521 * mips-tfile.c (init_file): Make two versions of FDR intializer:
7522 one for MIPS and one for Alpha.
7523 (get_tag, copy_object): Add casts to avoid warnings.
7524 * optabs.c (init_one_libfunc): Cast NAME to (char *).
7525 * reload.c (find_reloads): Make TYPE enum reload_type.
7526 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
7527 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
7528 * varasm.c (compare_constant_1): Add cast to avoid warning.
7529 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
7531 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
7532 Cast switch operand of size to int.
7533 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
7534 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
7537 2000-02-18 Nick Clifton <nickc@cygnus.com>
7539 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
7540 anything for an alignment of zero.
7542 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
7543 anything for an alignment of zero.
7545 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
7547 * gcc.texi (Bug Reporting): Refer to bugs.html.
7548 (Bug Lists): Likewise.
7549 * system.h (GCCBUGURL): New preprocessor define.
7550 * rtl.c (fancy_abort): Use it.
7551 * gcc.c (main): Likewise.
7553 2000-02-18 Richard Henderson <rth@cygnus.com>
7555 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
7556 (life_analysis_1): Subsume into ...
7557 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
7558 Use update_life_info for the relaxation.
7559 (update_life_info): Update REG_BASIC_BLOCK for registers live on
7560 entry and regs_live_at_setjmp.
7561 (set_noop_p): Simplify.
7562 (notice_stack_pointer_modification_1): Renamed from s/_1//.
7563 (record_volatile_insns): Split into ...
7564 (delete_noop_moves): ... here,
7565 (notice_stack_pointer_modification): ... here,
7566 (insn_dead_p): ... and here.
7567 (propagate_block): Don't query INSN_VOLATILE.
7568 (mark_used_regs): Mind !PROP_REG_INFO.
7569 * toplev.c (rest_of_compilation): Call mark_constant_function here,
7570 not in life_analysis.
7572 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
7574 * loop.c (canonicalize_condition): New function,
7575 broken out of get_condition.
7576 (get_condition): Use it.
7577 * expr.h (canonicalize_condition): Prototype it.
7579 * tree.h (tree_int_cst_msb): Declare.
7580 * tree.c (tree_int_cst_msb): New function.
7582 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7584 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
7587 * invoke.texi (-fmessage-length=n): Document.
7589 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
7591 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
7593 2000-02-17 Mark Mitchell <mark@codesourcery.com>
7595 * function.c (thread_prologue_and_epilogue_insns): Put a line note
7598 2000-02-17 Nick Clifton <nickc@cygnus.com>
7600 * config/arm/thumb.c: Replace includes of system headers with
7601 #include "system.h".
7603 2000-02-16 Richard Henderson <rth@cygnus.com>
7605 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
7606 Add crtbeginS.o and crtendS.o.
7607 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
7608 (ENDFILE_SPEC): Use crtendS.o.
7609 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
7611 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
7612 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
7614 (__dso_handle): New variable.
7615 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
7616 bias to __CTOR_END__.
7618 2000-02-16 Richard Henderson <rth@cygnus.com>
7620 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
7622 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
7624 * longlong.h (__clz_tab): Declare as static to match definition.
7626 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
7627 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
7628 (XREF_FILE_NAME): Define.
7630 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
7631 (EH_FRAME_SECTION_ASM_OP): Define.
7632 (IDENT_ASM_OP): Define.
7633 (TEXT_SECTION_ASM_OP): Define.
7635 (CTORS_SECTION_ASM_OP): Define.
7636 (CTOR_SECTION_FUNCTION): Use it.
7637 (DTORS_SECTION_ASM_OP): Define.
7638 (DTOR_SECTION_FUNCTION): Use it.
7640 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
7642 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
7645 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
7646 debug_bb_n): New functions.
7647 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
7648 * basic-block.h: Prototype new functions.
7650 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
7652 * configure.in: Add support for avr target.
7653 * configure: Rebuilt.
7655 * invoke.texi: Add AVR invocation docs.
7656 * install.texi: Add information about AVR.
7657 * md.texi: Add AVR constraint letters description.
7658 * extend.texi: Add description for AVR specific attributes.
7660 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
7662 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
7664 2000-02-16 Nick Clifton <nickc@cygnus.com>
7666 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
7667 (make_insn_raw): Move RTL check here.
7669 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7671 * version.c: Include gansidecl.h and version.h.
7673 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
7675 * configure.in (gcc_version): When setting, narrow search to
7676 lines containing `version_string'.
7678 * Makefile.in (mainversion): Likewise.
7679 (GCC_H): New variable.
7680 (gcc.h): Delete target.
7681 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
7682 (version.o): Depend on version.h.
7683 (dbxout.o): Don't depend on gcc.h.
7685 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
7686 Michael Meissner <meissner@cygnus.com>
7688 * md.texi (Simple Constraints): Add item about whitespace.
7689 * genoutput.c (strip_whitespace): New.
7690 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
7691 strip_whitespace for constraints.
7692 Test pointer using NULL, not 0.
7694 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7696 * cpplib.c (do_line): Pedwarn for #line > 32767.
7698 * c-lex.c (readescape): Warn about '\x', but do not reject it.
7700 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
7702 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
7703 to default cpp spec.
7704 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
7705 * cpp.texi: Document __GNUC_PATCHLEVEL__.
7708 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
7711 2000-02-15 Denis Chertykov <denisc@overta.ru>
7713 * configure.in: Add support for avr target.
7715 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7717 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
7718 (sh_addr_diff_vec_mode): Don't declare.
7719 * sh.c (sh_addr_diff_vec_mode): Delete.
7721 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7723 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
7725 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7727 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
7728 (smulsi3_highpart_i): Name.
7729 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
7730 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
7731 (smulsi3_highpart, umulsi3_highpart): Likewise.
7733 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
7734 correctly independent of endianness.
7735 (mulsidi3, umulsidi3): Now define_insn. Hide details that
7736 confuse the optimizers.
7737 (mulsidi3+1, umulsidi3+1): New define_split.
7739 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
7741 * config/sh/sh.md: Guard insn splits against illegal registers.
7742 * config/sh/sh.h: Correct comment about macros.
7744 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7745 Andrew MacLeod <amacleod@cygnus.com>
7747 * Makefile.in (lcm.o): Depend on insn-attr.h.
7748 * basic-block.h (optimize_mode_switching): Declare.
7749 * lcm.c (tm_p.h, insn-attr.h): #include.
7750 (seginfo, bb_info): New structs.
7751 (antic, transp, comp, delete, insert) : New file-scope static variables.
7752 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
7753 (reg_becomes_live, optimize_mode_switching): Likewise.
7754 * tm.texi: Add description of mode switching macros.
7755 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
7757 * sh-protos.h (remove_dead_before_cse): Remove prototype.
7758 (fldi_ok, fpscr_set_from_mem): New prototypes.
7759 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
7760 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
7761 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7762 (sh_flag_remove_dead_before_cse): Remove declaration.
7763 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
7764 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
7765 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
7766 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
7767 (barrier_align): Allow for JUMP_INSNS containing a parallel.
7768 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
7769 (fldi_ok): New function.
7770 (get_fpscr_rtx): Add fpscr_rtx as GC root.
7771 (emit_sf_insn): Only generate fpu switches when optimize < 1.
7772 (emit_df_insn): Likewise.
7773 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
7774 (sh_flag_remove_dead_before_cse): Delete.
7775 (get_free_reg, fpscr_set_from_mem): New functions.
7776 * sh.md (movdf, movsf): Remove no_new_pseudos code.
7777 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
7779 2000-02-15 Loren Rittle <ljrittle@acm.org>
7781 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
7783 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7785 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
7786 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
7788 * cccp.c: Include version.h and/or don't declare `version_string'.
7789 * collect2.c: Likewise.
7790 * alpha.c: Likewise.
7791 * arm/aof.h: Likewise.
7792 * arm/coff.h: Likewise.
7793 * arm/elf.h: Likewise.
7794 * arm/pe.h: Likewise.
7795 * arm/tcoff.h: Likewise.
7796 * arm/telf.h: Likewise.
7797 * arm/tpe.h: Likewise.
7798 * arm/vxarm.h: Likewise.
7799 * convex/convex.c: Likewise.
7800 * i386/dgux.c: Likewise.
7801 * i386/sun386.h: Likewise.
7802 * m88k/m88k.c: Likewise.
7803 * mcore/mcore-pe.h: Likewise.
7804 * mips/mips.h: Likewise.
7805 * romp/romp.h: Likewise.
7806 * sh/sh.c: Likewise.
7807 * cpphash.c: Likewise.
7808 * cppinit.c: Likewise.
7809 * dwarf2out.c: Likewise.
7810 * dwarfout.c: Likewise.
7813 * mips-tfile.c: Likewise.
7814 * protoize.c: Likewise.
7815 * toplev.c: Likewise.
7818 * version.c (version_string): Constify a char*.
7820 * version.h: New file.
7822 2000-02-14 Nick Clifton <nickc@cygnus.com>
7824 * configure.in: Add mcore-elf and mcore-pe targets.
7825 * configure: Regenerate.
7827 * NEWS: Add note that MCore port has been contributed.
7829 * invoke.texi: Document command line switches for MCore port.
7830 * install.texi: Add MCore to list of supported targets.
7832 2000-02-14 Geoff Keating <geoffk@cygnus.com>
7834 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
7835 then we will need to import the frame handling functions.
7836 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
7837 to import the frames themselves.
7839 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
7840 Jason Eckhardt <jle@cygnus.com>
7842 * basic_block.h: Added prototype for reorder_basic_blocks.
7843 * toplev.c: Changes to add -freorder-blocks and graph dump after
7844 block reordering is done.
7845 * flow.c (reorder_block_def): New structure for use during block
7847 (REORDER_BLOCK_*): New macros to access members of above structure.
7848 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
7849 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
7850 functions for block reordering.
7852 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
7854 * gcc.texi (Passes): Fix typo.
7855 * md.texi (Standard Names): Ditto.
7856 * tm.texi (Storage Layout): Ditto.
7858 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
7860 * cpplib.c (do_define): Only free the old definition if it
7863 2000-02-13 Neil Booth <NeilB@earthling.net>
7865 * cppfiles.c (read_and_prescan): When emitting deferred
7866 newlines, test speccase[] again instead of checking each
7867 possible whitespace character in turn. When we encounter \r,
7868 look behind for \n first, then ahead.
7870 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
7872 * cse.c (cse_altered): New internal flag.
7873 (cse_insn): Set it if we changed an insn.
7874 (cse_main): Clear cse_altered before each basic block.
7875 Only garbage collect if cse_altered is true afterward.
7877 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7879 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
7881 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
7883 * combine.c (simplify_comparison): Fix typo.
7885 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
7887 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
7890 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7892 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
7893 previously inserted node instead of root node. Caller changed.
7895 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7897 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
7899 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7901 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
7902 __dereg_frame_dtor): Add prototype argument.
7904 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
7906 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
7908 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
7910 * gthr-vxworks.h (__gthread_once): Likewise.
7912 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
7914 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
7916 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
7917 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
7918 stack pointer in functions w/o saved registers, output LEAVE more often
7919 on TARGET_USE_LEAVE machines.
7921 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
7923 * config/arm/arm.c (arm_init_cumulative_args); New function:
7924 Initlaise the CUMULATIE_ARGS strcuture for a function
7926 (arm_function_arg): New function: Determine where to place a
7927 function's argument. Also handles deciding the function's
7929 (current_file_function_operand): New function: Return true if
7930 the symbol is a function which has already been compiled.
7931 (arm_is_long_call_p): New function: Return true if the
7932 indicated function should be called via a long call.
7933 (arm_valid_type_attribute_p): New function: Return true if the
7934 attribute is a valid, arm specific, attribute.
7935 (arm_comp_type_attribute): New function: Return true if the
7936 two types have compatable, arm specific, attributes.
7938 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
7940 (FUNCTION_ARG): Redefine to call arm_function_arg.
7941 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
7943 (INIT_CUMULATIVE_ARGS): Redefine to call
7944 arm_init_cumulative_args.
7945 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
7947 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
7949 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
7951 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
7952 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
7953 (COMP_TYPE_ATTRIBUTES): Define.
7955 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
7956 if a long call is needed.
7957 (call_value): Call arm_is_long_call_p to decide if a long call
7959 (call_symbol): Call arm_is_long_call_p to decide if a long call
7962 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
7964 2000-02-11 Denis Chertykov <denisc@overta.ru>
7966 * README.AVR: New file with information about the avr ports.
7967 * config/avr: New directory with avr port files.
7969 2000-02-11 Andreas Jaeger <aj@suse.de>
7971 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
7973 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
7975 * cpphash.c: Fix formatting, update commentary.
7976 (dump_definition): Take three separate arguments instead of a
7977 MACRODEF structure argument.
7978 * cpphash.h: Update prototype of dump_definition.
7979 * cppinit.c (cpp_finish): Update call of dump_definition.
7981 * cpplib.c (do_define): Always create new hash entry with
7982 T_MACRO type. Remove redundant check for redefinition of
7983 poisoned identifier. Update call of dump_definition.
7984 (do_undef): Don't call check_macro_name. Rename sym_length to
7986 (do_error, do_warning): Don't use copy_rest_of_line or
7988 (do_warning): Don't use pedwarn for the actual warning,
7989 only the notice about its not being in the standard. (Fixes
7990 bug with #warning in system headers.)
7991 (do_ident): Stricter argument checking - accept only a single
7992 string after #ident. Also, macro-expand the line.
7993 (do_xifdef): Use cpp_defined. De-obfuscate.
7995 (do_pragma): Split out specific pragma handling to separate
7996 functions. Use get_directive_token. Update commentary. Do
7997 not pass on #pragma once or #pragma poison to the front end.
7998 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
7999 do_pragma_default): New.
8001 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8003 * jump.c (jump_optimize_1): The first operand in a relational
8005 * optabs.c (emit_conditional_move): Handle relationals which
8006 have a known true/false result.
8008 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8010 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8011 a RETURN insn into a block which already ends with a jump.
8013 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8015 * haifa-sched.c (BUF_LEN): Increase a lot.
8017 2000-02-11 Nick Clifton <nickc@cygnus.com>
8019 * configure.in: Add tm_p_file specification for thumb targets.
8020 * configure: Regenerate.
8022 * config/arm/thumb-protos.h: New file: Prototypes for exported
8023 functions defined in thumb.c.
8025 2000-02-11 Robert Lipe <robertl@sco.com>
8027 * Makefile.in (bootstrap-lean): Remove additional files.
8028 (bootstrap2-lean): Likewise.
8029 (VOL_FILES): List of files for above.
8031 2000-02-11 Nathan Sidwell <nathan@acm.org>
8033 * cpphash.c (special_symbol): Remove spurious argument to
8036 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8038 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8040 * configure: Rebuilt.
8042 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8044 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8046 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8048 * pa.c, pa.h: Remove trigraph sequences within comments.
8050 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8052 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8054 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8056 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8058 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8060 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8062 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8064 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8065 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8066 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8067 (ASM_FILE_END): Use c4x_file_end.
8068 * config/c4x/c4x.c (c4x_global_label): New function.
8069 (c4x_external_ref, c4x_file_end): Likewise.
8071 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8072 (c4x_external_ref, c4x_end_file): Likewise.
8074 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8076 * cppexp.c: Don't include cpphash.h.
8077 (parse_charconst, cpp_lex): Use cpp_defined.
8078 (cpp_lex): Use get_directive_token throughout. Remove
8079 unnecessary cases from switch. Move assertion-handling code
8081 (cpp_parse_expr): If we see '+' or '-', check the context to
8082 determine if they are unary or binary operators. Streamline
8083 the jumps a bit. Do not call skip_rest_of_line.
8085 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8086 static. Export get_directive_token. Update commentary.
8087 (cpp_defined): New function.
8088 (do_define): Remove reference to T_PCSTRING. Call
8089 free_definition to release memory for old definition, when
8091 (eval_if_expression): Set only_seen_white to 0 before calling
8092 cpp_parse_expr. Call skip_rest_of_line after it returns.
8093 (cpp_read_check_assertion): Don't preserve a pointer into the
8094 token buffer across a call to cpp_get_token.
8096 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8097 * cppfiles.c (redundant_include_p): Use cpp_defined.
8098 * cpphash.c (free_definition): New function.
8099 (delete_macro): Use it. Update commentary.
8100 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8102 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8103 from enum node_type. Prototype cpp_defined and get_directive_token.
8104 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8106 * fix-header.c (check_macro_names): Use cpp_defined.
8107 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8108 the options structure.
8110 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8112 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8114 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8116 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8117 rather than die->die_tag.
8119 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8121 * combine.c (make_extraction, force_to_mode): Avoid warning on
8122 mixed-signedness conditionals.
8123 (make_field_assignment, nonzero_bits): Likewise.
8124 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8125 (store_split_bit_field, extract_split_bit_field): Likewise.
8126 (extract_fixed_bit_field, store_bit_field,
8127 * expr.c: Change alignment to be unsigned everywhere.
8128 (move_by_pieces, store_constructor_field, store_constructor):
8129 Alignment parm is unsigned.
8130 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8131 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8132 (do_compare_rtx_and_jump): Likewise.
8133 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8134 Compare align with GET_MODE_ALIGNMENT.
8135 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8136 (get_inner_reference): Likewise.
8137 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8138 (expand_assignment): Local vars for alignment now unsigned.
8139 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8140 (do_compare_and_jump): Likewise.
8141 (store_field): Call new function expr_align.
8142 * expr.h (emit_block_move, emit_group_load, emit_group_store):
8143 Alignment arg now unsigned.
8144 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8145 (do_compare_rtx_and_jump, store_bit_field): Likewise.
8146 (extract_bit_field): Likewise.
8147 * fold-const.c (add_double): Add cast to eliminate signedness warning.
8148 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
8149 (get_best_mode): Alignment arg is unsigned.
8150 * rtl.h (move_by_pieces): Likewise.
8151 * store-layout.c (maximum_field_alignment, set_alignment):
8153 (layout_decl): Alignment arg is now unsigned.
8154 Remove unneeded casts.
8155 (layout_record, layout_union, layout_type): Remove unneeded casts.
8156 Local alignment variables now unsigned.
8157 (get_best_mode): Alignment arg now unsigned.
8158 * tree.c (expr_align): New function.
8159 * tree.h (expr_align): Likewise.
8160 (maximum_field_alignment, set_alignment): Now unsigned.
8161 (get_inner_reference): Alignment argument is now pointer to unsigned.
8162 * varasm.c (assemble_variable): Add cast to eliminate warning.
8164 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
8166 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
8167 then store directly into op0.
8169 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
8170 the CALL_INSN, and emit the note immediately after it.
8172 2000-02-10 Nick Clifton <nickc@cygnus.com>
8174 * config/arm/thumb.md (epilogue): Include a (return) in the
8175 generated insn, and emit it using emit_jump_insn not
8178 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
8180 * function.c (assign_temp): Change zero-sized arrays to size 1.
8181 * integrate.c (expand_inline_function): Do not update
8182 stack_alignment_needed
8183 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
8184 add some sanity checking, remove optimization for function with
8187 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8189 * flow.c (mark_regs_live_at_end): Delete unused variables.
8191 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
8193 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
8194 in macro FRAME_GROWS_DOWNWARD.
8196 * stmt.c (expand_end_bindings): Delete unused variable.
8198 * unroll.c (iteration_info): Mark parameter `loop' with
8201 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8203 * fixinc/server.c (load_data): Return NULL if the marker line is
8205 (run_shell): If load_data returns NULL, retry the command once, in
8208 * configure: Rebuilt.
8210 2000-02-09 Bruce Korb <bkorb@gnu.org>
8212 * gcc/fixincludes: ** DELETED **
8213 * gcc/fixcpp: ** DELETED **
8214 * gcc/fixinc-nt.sed: ** DELETED **
8215 * gcc/just-fixinc: ** DELETED **
8216 * gcc/Makefile.in: Removed out-dated commentary
8217 * gcc/configure.in: Removed fast-fixincludes disablement.
8218 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
8220 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8221 * function.c (thread_prologue_and_epilogue_insns): Uncomment
8224 2000-02-09 Richard Henderson <rth@cygnus.com>
8226 * jump.c (delete_insn): Don't delete user labels at -O0.
8228 2000-02-09 Robert Lipe <robertl@sco.com>
8230 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
8231 Don't link with HOST_LIBS.
8233 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8235 * configure.in: Correct --help text for --with-dwarf2.
8236 Put tm-dwarf2.h after other tm files, if it's requested.
8237 * configure: Regenerate.
8238 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
8241 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8243 * cpplib.h: Provide HASHNODE typedef and forward decl of
8244 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
8245 DEFINITION, struct hashnode, struct macrodef, struct
8246 definition, scan_decls prototype, default defn of
8247 INCLUDE_LEN_FUDGE moved elsewhere.
8249 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
8250 definition, and struct hashnode moved here. Remove the unused
8251 'predefined' field from struct definition. Replace the 'args'
8252 union with its sole member. All users updated (cpphash.c).
8253 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
8254 multiple include guard.
8256 * cpphash.c (hashf): Make static; use better algorithm; drop
8257 HASHSIZE parameter; return an unsigned int.
8258 (cpp_lookup): Drop HASH parameter. PFILE parameter is
8259 used. Calculate HASHSIZE modulus here.
8260 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
8262 (create_definition): Drop PREDEFINITION parameter.
8263 * cpplib.c (do_define): Don't calculate a hash value here.
8264 Don't pass (keyword == NULL) to create_definition.
8266 * scan.h: Prototype scan_decls here.
8267 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
8268 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
8269 callers of cpp_lookup and cpp_install updated.
8271 * cpphash.c (macarg): Hoist all the flag diddling out of the
8273 (macroexpand): ... and out of the loop that calls macarg.
8274 Skip over the initial paren before macro arguments with
8275 cpp_get_non_space_token; point may be some distance before
8276 that paren. Abort if it's not there.
8278 * cpplib.c (parse_clear_mark): Delete function.
8279 (parse_set_mark, parse_goto_mark): Make static.
8280 (ACTIVE_MARK_P): New macro.
8281 (skip_block_comment, skip_line_comment): Do not bump the line
8282 if ACTIVE_MARK_P is true.
8283 (cpp_pop_buffer): The buffer to be popped may not have an
8285 (cpp_get_token): When looking for the initial paren before
8286 macro arguments, only set a mark in a file buffer, Always
8287 return to that mark before proceeding to call macroexpand or
8288 return a NAME token.
8290 * cpplib.h: Remove prototypes of parse_set_mark,
8291 parse_clear_mark, parse_goto_mark.
8292 (struct cpp_options): Rename 'put_out_comments' to
8293 'discard_comments' and invert its sense.
8294 * cppinit.c, cpphash.c, cpplib.c: All users of
8295 put_out_comments changed to use discard_comments, with
8298 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8300 * function.c (thread_prologue_and_epilogue_insns): Don't delete
8301 the edge from a block that both jumps and falls through to the
8304 2000-02-09 Scott Bambrough <scottb@netwinder.org>
8306 * config/arm/arm.md (movsi): In PIC mode, make sure that a
8307 constant source address is legitimate.
8309 2000-02-09 Philip Blundell <pb@futuretv.com>
8311 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
8314 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
8316 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
8318 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
8320 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
8321 ends with a newline and a NUL. Don't be so clever manipulating
8324 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
8326 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
8327 not to BIGGEST_ALIGNMENT.
8329 2000-02-08 Geoff Keating <geoffk@cygnus.com>
8331 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
8332 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
8333 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
8334 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
8335 * frame.c (execute_cfa_insn): Handle
8336 DW_CFA_GNU_negative_offset_extended.
8338 2000-02-08 Richard Henderson <rth@cygnus.com>
8340 * flow.c (tidy_fallthru_edges): Split out from ...
8341 (delete_unreachable_blocks): ... here.
8342 (find_basic_blocks): Use it.
8344 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8346 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
8348 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
8350 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
8351 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
8352 (fix-header.o): Don't depend on cpphash.h.
8354 * scan.c (hashstr): New function.
8355 * scan.h: Prototype it.
8356 * fix-header.c: Don't include cpphash.h. Use hashstr.
8357 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
8358 hashstr. Report hash table statistics. Add private
8359 definition of xrealloc.
8361 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8363 * i386.h (TARGET_SWITCHES): Fix typo in option name.
8365 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
8367 * function.c (thread_prologue_and_epilogue_insns): Don't replace
8368 jumps with returns unless they are jumps to the fallthru block.
8370 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
8372 * i386.md (addqi3_cc): Fix contraints.
8374 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8376 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
8378 2000-02-07 Mark Mitchell <mark@codesourcery.com>
8380 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
8381 carriage return after a macro name.
8383 2000-02-07 Fred Fish <fnf@be.com>
8385 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
8386 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
8388 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
8390 * cppfiles.c (deps_output): Count spacers in deps_column.
8392 2000-02-07 Neil Booth <NeilB@earthling.net>
8394 * cppinit.c (initialize_dependency_output): If there is no
8395 suffix, don't try to look for known suffixes. Use strrchr.
8396 (cpp_start_read): Remove duplicate initialization.
8398 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
8400 * calls.c (compute_argument_block_size): New argument
8401 preferred_stack_boundary.
8402 (expand_call): update cfun->preferred_stack_boundary, update call of
8403 compute_argument_block_size
8404 (emit_library_call): Increate cfun->preferred_stack_boundary
8405 to PREFERRED_STACK_BOUNDARY
8406 (emit_library_call_value): Likewise.
8407 * explow.c (allocate_dynamic_stack_spave): Likewise.
8408 * function.c (prepare_function_start): Set
8409 cfun->preferred_stack_boundary
8410 * function.h (struct function): Add preferred_stack_boundary field.
8411 * integrate.c (expand_inline_function): Update
8412 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
8413 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
8414 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
8416 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
8418 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
8419 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
8420 cpp_pedwarn, cpp_pedwarn_with_line,
8421 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
8422 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
8423 v_cpp_error_with_line, v_cpp_warning_with_line,
8424 cpp_message_from_errno, cpp_perror_with_name): Delete.
8426 * cpperror.c (cpp_print_containing_files): Take starting
8428 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
8429 (v_cpp_message): Now called directly by all entry points.
8431 (cpp_pfatal_with_name, cpp_message): Delete.
8432 (cpp_notice_from_errno, cpp_ice): New functions.
8433 (cpp_notice): Is now for reporting error conditions, just
8434 without an associated file.
8435 (cpp_error, cpp_error_with_line): Don't do anything if
8436 opts->inhibit_errors is on.
8437 (cpp_pedwarn_with_file_and_line): Take column argument also.
8439 * cpplib.h: Update prototypes of exported functions.
8440 (struct cpp_options): Add inhibit_errors.
8442 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
8443 non-error messages. Include intl.h.
8445 * cppinit.c, cppmain.c: Likewise. Also, use
8446 cpp_notice_from_errno instead of cpp_perror_with_name or
8447 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
8449 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
8450 report internal errors.
8452 * cpplib.c (do_define): Switch bcopy to memcpy.
8453 Give cpp_pedwarn_with_file_and_line a dummy column argument.
8455 * cpplib.c (copy_rest_of_line): Revert previous change: don't
8456 bail out early if we hit a line comment.
8458 2000-02-06 Richard Henderson <rth@cygnus.com>
8460 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
8461 * basic-block.h: Declare them.
8462 * emit-rtl.h (active_insn_p): New.
8463 (next_active_insn, prev_active_insn): Use it.
8464 * rtl.h: Declare it.
8465 * function.c (emit_return_into_block): New.
8466 (thread_prologue_and_epilogue_insns): Insert return insns instead
8467 of epilogues when possible.
8468 * jump.c (jump_optimize_1): Remove code to insert a return insn
8469 on the fallthru to the exit block.
8471 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
8472 and for non-empty stack frames.
8473 * i386.md (return): Expand to return-pop as needed.
8475 2000-02-06 Richard Henderson <rth@cygnus.com>
8477 * simplify-rtx.c (simplify_relational_operation): Canonicalize
8478 constant to op1 for testing.
8480 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8482 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
8483 (fixuns_truncqfqi2): Use it.
8485 2000-02-06 Richard Henderson <rth@cygnus.com>
8487 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
8490 * i386.md (widening and peepholes): Mask the constant instead of
8493 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8495 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
8496 input pointer before possibly branching off to the backslash
8498 * cpphash.c (macroexpand): Correctly delete \r escapes when
8499 stringifying parameters.
8500 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
8501 if we can; bail out early if we hit a line comment.
8502 (handle_directive): Treat '# 123' in an .S file just like
8503 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
8504 Return 1 for '# not_a_directive'.
8505 (get_directive_token): Pop macro buffers here, so that
8506 cpp_get_token can't sneakily move past a newline.
8508 (cpp_get_token): goto randomchar if handle_directive returns 0.
8510 * cppalloc.c: Update copyright.
8511 * cpplib.c: Merge all the static function prototypes into one
8513 * cpplib.h: Remove #if 0 block.
8515 * cpperror.c: Remove #ifdef EMACS block.
8516 * cppmain.c: Likewise.
8517 * cpphash.c: Remove #if 0 blocks.
8518 * cppinit.c: Remove #if 0 blocks, and the -lint option.
8519 * cpplib.c: Remove #if 0 blocks and code referencing
8520 pcp_inside_if or for_lint. Remove duplicate error message.
8521 Fix error messages for #else after #else or #elif. Reformat.
8522 Remove archaic TODO list.
8523 * cpplib.h: Remove pcp_inside_if and for_lint flags.
8525 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
8527 * i386/osf1elf.h: Add missing backslash to multiline string.
8529 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8531 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
8533 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8535 * Makefile.in (c-common.o): Depend on $(EXPR_H).
8537 * c-common.c: Include expr.h.
8539 * c-pragma.c (mark_align_stack): Add prototype.
8541 * caller-save.c (add_stored_regs): Likewise.
8543 * combine.c (record_promoted_value): Likewise.
8545 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
8548 * cppinit.c (new_pending_define): Likewise.
8550 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
8552 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
8553 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8554 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
8555 class_scope_p): Likewise.
8557 * dwarf2out.h (dwarf2out_set_demangle_name_func,
8558 dwarf2out_add_library_unit_info): Likewise.
8560 * ggc.h (ggc_page_print_statistics): Likewise.
8562 * haifa-sched.c (propagate_deps): Likewise.
8564 * reg-stack.c (next_flags_user, record_label_references): Likewise.
8566 * rtl.h (set_stack_check_libfunc): Likewise.
8568 * toplev.h (set_fatal_function): Likewise.
8570 * toplev.c (set_fatal_function): Delete prototype.
8572 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
8574 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8576 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
8577 (FUNC_END): Likewise.
8579 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8581 * caller-save.c: Include tm_p.h.
8583 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8585 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
8587 2000-02-04 Neil Booth <NeilB@earthling.net>
8589 * cccp.c (main): Check 'dir' for a NULL pointer before passing
8592 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
8594 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
8595 * genflags.c: Use the max_operand_1 logic from genemit.c to
8596 calculate how many arguments gen_insn prototypes have. Remove
8597 NO_MD_PROTOTYPES ifdefs from the generated file.
8598 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
8599 file. Cast gen_insn initializers to insn_gen_fn.
8600 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
8601 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
8603 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8605 * fixinc/Makefile.in (HDR): Add machname.h.
8608 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8610 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
8611 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
8612 (c4x_cpu_version): Ditto.
8613 * config/c4x/c4x-protos.h: ... here.
8615 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
8617 * dwarf2out.c (add_abstract_origin_attribute): Don't call
8618 gen_abstract_function on our context if we're a nested function.
8620 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8622 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
8623 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
8625 2000-02-04 Bruce Korb <bkorb@gnu.org>
8627 * fixinc/genfixes(machname.h):
8628 Move the functionality from gen-machine.h into this file.
8629 UNdef MN_NAME_PAT if there are no names to change.
8630 Also, be a little kinder when AutoGen is not present.
8632 * fixinc/Makefile.in(machname.h):
8633 Change the generation rule to use genfixes.
8635 * fixinc/fixfixes.c(machine_name):
8636 machine_name_fix's functionality now dependent upon whether
8637 MN_NAME_PAT is defined.
8639 * fixinc/fixtests.c(machine_name):
8642 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
8645 * fixinc/fixlib.h(mn_get_regexps):
8648 * fixinc/gen-machine.h: DELETED
8650 2000-02-04 Jan Hubicka <jh@suse.cz>
8651 Richard Henderson <rth@cygnus.com>
8653 * i386.c (SAVE_REGS_FIRST): Remove.
8654 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
8655 (ix86_compute_frame_size): Likewise.
8656 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
8657 (ix86_emit_restore_regs): Remove.
8658 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
8659 when a frame pointer is in use.
8660 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
8661 instead of pop to restore a register when profitable; emit leave
8663 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
8665 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
8666 * i386.md (prologue_allocate_stack): Remove.
8667 (epilogue_deallocate_stack): Remove.
8668 (pro_epilogue_adjust_stack): New.
8670 2000-02-04 Richard Henderson <rth@cygnus.com>
8672 * function.c (diddle_return_value): Rework to use a callback function.
8673 Use current_function_return_rtx if it's been set up.
8674 (do_clobber_return_reg, clobber_return_register): New.
8675 (do_use_return_reg, use_return_register): New.
8676 (expand_function_end): Use them.
8677 * stmt.c (expand_null_return): Likewise.
8678 * function.h: Declare them.
8679 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
8680 (mark_reg): Change arguments as appropriate for callback.
8681 * integrate.c (expand_inline_function): Revert 19 Jan change.
8683 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
8685 * tm.texi (Values in Registers): Fix typo: "fo" "for".
8686 (Misc): Say the scheduler, not the Haifa scheduler.
8688 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
8690 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
8691 when in_mem is set. Update all callers.
8693 2000-02-04 Richard Henderson <rth@cygnus.com>
8695 * i386/openbsd.h (INT_ASM_OP): Define.
8697 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
8699 * tm.texi: Fix various typos.
8701 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
8703 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
8704 (MD_STARTFILE_PREFIX_1): New macro.
8706 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
8708 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
8709 destination when needed.
8710 (strmovsi, strsetsi): New expander.
8711 (strmovsi_1, strsetsi_1): New pattern.
8712 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
8713 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
8714 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
8715 * invoke.texi (align-stringops, inline-all-stringops): Document.
8717 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
8719 * i386/netbsd.h (INT_ASM_OP): Define.
8721 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
8723 * cpplib.h (cpp_reader): Add new flag, no_directives.
8724 * cpphash.c (macarg): Set it.
8725 * cpplib.c (handle_directive): If no_directives is on and we
8726 find a directive, issue an error and discard the line.
8728 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
8730 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
8731 FP constants. Add ! TARGET_FPU check for FP constants.
8733 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
8735 * flow.c (find_basic_blocks): Don't kill label_value_list
8737 (cleanup_cfg): Kill it here.
8739 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8741 * expr.c (store_field): Ensure ALIGN is no stricter than the
8744 2000-02-02 Richard Henderson <rth@cygnus.com>
8746 * jump.c (delete_insn): Partially revert 19 Jan change;
8747 don't convert unused code labels to notes at -O0.
8749 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8751 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
8752 split_all_insns to recreate REG_LABEL notes for flow2 pass.
8754 2000-02-01 Richard Henderson <rth@cygnus.com>
8756 * i386.c (general_no_elim_operand): New.
8757 (nonmemory_no_elim_operand): New.
8758 (ix86_expand_move): Copy eliminable operands before a push.
8759 * i386-protos.h: Declare new functions.
8760 * i386.h (CAN_ELIMINATE): Simplify.
8761 (PREDICATE_CODES): Update.
8762 * i386.md (push insns): Don't allow eliminable register operands.
8764 2000-02-01 Richard Henderson <rth@cygnus.com>
8766 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
8767 replace BLKmode with DECL_RTL's mode.
8769 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
8771 * frame.c (find_fde): Convert for loop to do-while so compiler
8772 sees it's always executed at least once.
8773 * libgcc2.c (BBINBUFSIZE): Kill.
8774 (__bb_init_prg): Use fgets.
8775 (__bb_exit_trace_func): Don't paste strings.
8776 * unroll.c (unroll_loop): Initialize unroll_type, not
8777 unroll_number, and tweak logic to match.
8779 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
8781 (ix86_flags_dependant): Likewise. Disentangle control flow.
8782 (ix86_sched_reorder): Break guts out to
8783 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
8784 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
8787 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
8788 use string concatenation. Don't save and restore esi.
8790 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
8791 (machname.h): Remove script to separate file. Use two-step
8792 sequence so target is not created if script fails.
8793 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
8794 identifiers are defined.
8795 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
8796 an empty string, machine_name doesn't need to do anything at
8798 (is_cxx_header): Add more cases to regexp.
8799 * fixinc/fixlib.h: Update prototype.
8800 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
8802 * fixinc/fixincl.c: Define NO_BOGOSITY.
8804 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
8805 (hp_sysfile): Add missing comma.
8806 (math_exception): Put the wrapper ifdefs at the beginning and
8807 the end of the file.
8808 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
8810 2000-02-01 Richard Henderson <rth@cygnus.com>
8812 * sparc.c (fp_zero_operand): Turn into a normal predicate.
8813 Use CONST0_RTX. Update all callers.
8814 * sparc.h, sparc-protos.h: Update accordingly.
8815 * sparc.md (fp mov insns): Use fp_zero_operand directly
8818 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
8820 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
8823 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8825 * Makefile.in (specs.ready): New target.
8826 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
8828 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8830 * fixinc.irix: Use unique filenames for writing into /tmp,
8831 * fixinc.ptx: Likewise.
8832 * fixinc.sco: Likewise.
8833 * fixinc.svr4: Likewise.
8834 * fixinc.winnt: Likewise.
8836 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8838 * tsystem.h: New file.
8840 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
8841 s-crtS): Depend on tsystem.h.
8843 * crtstuff.c: Include tsystem.h.
8844 * frame.c: Likewise.
8845 * libgcc2.c: Likewise.
8847 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
8849 * builtins.c (expand_builtin_memset): Expand for variable sized
8852 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
8854 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
8857 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
8859 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
8861 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
8863 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
8865 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
8866 case 3->2 combining (combining with splitting) in which 2 is CC0
8867 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
8868 checked at the begining of the function with the aid of calling
8869 function 'can_combine_p'.
8871 2000-01-31 Dave Brolley <brolley@redhat.com>
8873 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
8875 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
8877 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
8880 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8882 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
8884 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
8887 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
8889 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
8890 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
8891 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
8892 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
8893 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
8894 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
8895 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
8896 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
8897 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
8898 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
8900 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
8901 Add %(cpp_cpu) to CPP_SPEC.
8903 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
8904 Add %(cc1_cpu) to CC1_SPEC.
8906 2000-01-28 Ulrich Drepper <drepper@redhat.com>
8908 * c-decl.c (c_decode_option): Accept optional numeric argument to
8909 -Wformat and set warn_format.
8910 * c-common.c: Don't emit warning about non-constant printf format
8911 string unless warn_format > 1.
8913 2000-01-30 Richard Henderson <rth@cygnus.com>
8915 * alpha.md (return_internal): Allow after reload only.
8917 2000-01-30 Richard Henderson <rth@cygnus.com>
8919 * i386.c (ix86_compute_frame_size): Omit padding1 if the
8920 local frame size is zero.
8922 2000-01-30 Richard Henderson <rth@cygnus.com>
8924 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
8925 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
8926 * alpha.md (return): Turn into an expander.
8927 (return_internal): Don't use $26.
8928 (epilogue): Emit the return insn.
8930 2000-01-30 Richard Henderson <rth@cygnus.com>
8932 * alpha.md (negtf2, abstf2): Fix word order thinko.
8934 (trunctfsf2): Avoid intermediate rounding errors.
8936 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
8938 * cppfiles.c (find_position): Drop 'colp' argument, return the
8940 (read_and_prescan): Adjust to match. Don't ever manipulate
8941 line or line_base except via find_position.
8943 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
8945 * c-parse.in: Apply Ulrich's changes from c-parse.y.
8946 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
8949 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
8951 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
8952 just print "<command line>". If 'filename' is null or an
8953 empty string, print "<stdin>" for the filename.
8954 * cpplib.c (do_define): Don't print the 'location of the
8955 previous definition' message if we're still parsing the
8957 (cpp_pedwarn_with_file_and_line): Always call
8958 cpp_file_line_for_message.
8960 2000-01-29 Mark Mitchell <mark@codesourcery.com>
8962 * flow.c (mark_regs_live_at_end): Fix typo.
8964 2000-01-28 Ulrich Drepper <drepper@redhat.com>
8966 * c-common.c: Adjust variable names, comments, help strings to c99.
8967 * c-lex.c: Likewise.
8968 * c-parse.y: Likewise.
8969 * c-tree.h: Likewise.
8971 * cpplib.h: Likewise.
8972 * c-decl.c: Likewise. Recognize options with names "*99" as well.
8973 * cppinit.c: Likewise.
8975 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8977 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
8978 * c4x.c: Define the optab rtx values.
8979 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
8980 (c4x_emit_libcall): Use new optab rtx values.
8981 (c4x_emit_libcall3): Likewise.
8982 (c4x_emit_libcall_mulhi): Likewise.
8983 * c4x-protos.h: Add prototypes for optab rtx values and change
8984 prototypes for above c4x_emit_libcall functions.
8986 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8988 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
8990 (c4x_function_prologue): Use regnames intead of float_reg_names when
8992 (c4x_function_epilogue): Likewise.
8993 (c4x_print_operand): Likewise.
8994 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
8995 * c4x.md (set_high): Disable for TARGET_TI.
8997 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8999 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9000 of framepointer + constant to ADDR_REGS class.
9001 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9002 * c4x.c (std_or_reg_operand): New function.
9003 * c4x-protos.h (std_or_reg_operand): Prototype it.
9005 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9007 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9008 object names as libgcc2.c.
9009 * libgcc.S: Use newly defined names.
9011 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9012 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9014 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9015 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9016 (FLOW_LOOP_LAST_BLOCK): Likewise.
9018 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9020 * basic-block.h (struct loop): New fields 'first' and 'last'.
9021 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9022 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9023 and loop->last to check for NOTE_INSN_LOOP_END.
9025 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9027 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9028 of the loop descriptor rather than HEADER and LATCH. Also added
9029 missing break statements as well making some coding style modifications
9030 as suggested by Michael Hayes.
9032 2000-01-28 Richard Henderson <rth@cygnus.com>
9034 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9035 Break out that code ...
9036 (cleanup_cfg): ... here.
9037 (commit_one_edge_insertion): Detect a return instruction being
9038 emitted to an edge. Emit a barrier following; clear fallthru.
9039 (commit_edge_insertions): Verify CFG consistency.
9040 * function.c (expand_function_start): Kill unused variable.
9041 (expand_function_end): Likewise.
9042 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9043 to insert the epilogue.
9045 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9046 (delete_null_pointer_checks): Likewise.
9047 * output.h: Likewise.
9048 * reg-stack.c (reg_to_stack): Likewise.
9049 * toplev.c (rest_of_compilation): Likewise. Run
9050 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9052 2000-01-28 Richard Henderson <rth@cygnus.com>
9054 * Makefile.in (flow.o): Revert 24 Jan change.
9055 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9056 FUNCTION_VALUE result to DECL_RESULT's mode.
9058 * haifa-sched.c (schedule_insns): Don't recompute reg info
9061 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9063 * configure.in: Make --enable-cpplib the default.
9064 * configure: Regenerate.
9065 * gcc.dg/990119-1.c: No longer expected to fail.
9067 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9069 * jump.c (jump_optimize_1): Delete an optimization that is also done
9070 by merge_blocks in flow.
9072 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9074 * diagnostic.c (build_message_string, output_printf,
9075 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9076 (build_location_prefix): Fix non-literal format string.
9078 2000-01-27 Richard Henderson <rth@cygnus.com>
9080 * alpha.md (trunctfsf2): New.
9082 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9084 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9086 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9088 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9090 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9092 (skip_comment) ... here. Permit C++ comments in system
9093 headers always. Warn about C++ comments in user code under
9094 -std=gnu89 -pedantic.
9095 (copy_comment): Use skip_comment.
9096 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9098 (consider_directive_while_skipping, do_else, do_endif): Call
9099 validate_else unconditionally.
9100 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9101 text after the conditional in a system header.
9102 * cpplib.h (struct cpp_buffer): Add flag
9103 warned_cplusplus_comments.
9105 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9107 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9108 Use unshare_all_rtl_1.
9109 (unshare_all_rtl_again): New function.
9110 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9112 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9113 rather than resetting the 'used' flags ourself.
9115 * toplev.c (rest_of_compilation): Add current_function_decl
9116 to the unshare_all_rtl call.
9117 * tree.h: Prototype unshare_all_rtl.
9118 * rtl.h: Prototype unshare_all_rtl_again here.
9120 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9122 * genoutput.c (output_prologue): Include ggc.h in generated
9124 * Makefile.in (insn-output.o): Depends on ggc.h.
9126 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9127 Hans-Peter Nilsson <hp@bitrange.com>
9129 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9130 Remove redundant include of xm-ns32k.h.
9131 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9132 Remove redundant include of xm-ns32k.h.
9133 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9134 Remove redundant include of xm-ns32k.h.
9135 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9137 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9138 (TARGET_SWITCHES): Add documentation strings.
9139 (DWARF_FRAME_REGNUM): Override default definition.
9140 (REG_CLASS_CONTENTS): Add comments.
9141 (SUBSET_P): Format to reduce line length.
9142 (SMALL_REGISTER_CLASSES): Make a run time option.
9143 (GO_IF_NONINDEXED_ADDRESS): Reformat.
9144 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
9145 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
9146 (regclass_map): fix typo in comment.
9147 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
9148 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
9149 (trace, reg_or_mem_operand): Delete, unused function.
9150 (calc_address_cost): Small offsets are cheaper than large ones.
9151 (expand_block_move): Generate more efficient code when bytes is a
9152 known at compile time.
9153 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
9154 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
9155 instead of reg_or_mem_operand.
9157 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
9158 not general_operand. Similarly use "=rm" or stricter, not "=g".
9159 For input operands, use stricter constraints than "g" if not
9160 general_operand. Similarly use stricter predicate than
9161 "general_operand" when stricter constraints than "g" are present,
9162 except for matching constraints.
9163 (movstrsi): Use "memory_operand" for operands 0 and 1.
9164 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
9165 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
9166 not reg_or_mem_operand.
9167 (udivmoddisi4): Ditto.
9168 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
9169 Use nonimmediate_operand for operand 3, not register_operand.
9170 (udivmoddiqi4_internal): Use register_operand for operand 1, not
9173 2000-01-27 Fred Fish <fnf@be.com>
9175 * gthr-posix.h: Fix typo; compatibily -> compatibility.
9176 * gthr-single.h: Likewise.
9177 * gthr-solaris.h: Likewise.
9178 * gthr-vxworks.h: Likewise.
9179 * gthr-win32.h: Likewise.
9182 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9184 * cppinit.c: Add " (cpplib)" to end of string printed by
9187 2000-01-27 Richard Henderson <rth@cygnus.com>
9189 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
9190 testing for a signed comparison.
9191 (alpha_emit_floatuns): New.
9192 * alpha-protos.h: Declare it.
9193 * alpha.md (floatunsdisf2, floatunsdidf2): New.
9194 (extendsfdf2): Tidy.
9196 2000-01-27 Jakub Jelinek <jakub@redhat.com>
9198 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
9199 no -g option specifying debugging format, default to -gstabs+.
9201 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9203 * calls.c (special_function_p): New argument fork_or_exec.
9204 (expand_call): When profile_arc_flag is set and the function
9205 is in the fork_or_exec group, call __bb_fork_func first.
9206 * libgcc2.c, _bb module (__bb_fork_func): New function.
9207 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
9209 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
9210 * tree.h (special_function_p): Update prototype.
9212 2000-01-26 Richard Henderson <rth@cygnus.com>
9214 * alpha.c (alpha_split_tfmode_pair): New.
9215 * alpha-protos.h: Declare it.
9216 * alpha.md (abstf2, negtf2): New.
9217 (movtf insn): Add input G constraint.
9218 (movtf splitter): Use alpha_split_tfmode_pair.
9220 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9222 * i386/cygwin.h: PROTO -> PARAMS.
9224 2000-01-26 Jakub Jelinek <jakub@redhat.com>
9226 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
9227 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
9228 using _Qp_cmp/_Q_cmp and testing the return value.
9229 (print_operand): Call reverse_condition_maybe_unordered if
9230 we are handling CCFPmode or CCFPEmode.
9231 Handle ORDERED, UN* and LTGT comparisons.
9232 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
9233 if not TARGET_HARD_QUAD.
9234 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
9235 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
9236 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
9237 Adjust gen_b* calls so that they reflect return comparison of
9238 sparc_emit_float_lib_cmp.
9240 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9242 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
9243 incoming operands array is large enough for one more operand.
9244 (alpha_emit_xfloating_arith): Likewise.
9246 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9248 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
9249 file with one line and no trailing newline.
9250 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
9251 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
9252 checking if the match is on the line.
9253 * fixinc/gnu-regex.c: Provide regerror not __regerror.
9255 2000-01-25 Richard Henderson <rth@cygnus.com>
9257 * sparc.c (output_cbranch): Fix accidental squashing of the
9258 fp branch pre-delay nop.
9260 2000-01-25 Richard Henderson <rth@cygnus.com>
9262 * tree.def (UNNE_EXPR): Remove.
9263 * c-typeck.c (build_binary_op): Don't handle it.
9264 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
9266 * rtl.def (UNNE): Remove.
9268 * jump.c (reverse_condition): Update accordingly.
9269 (swap_condition): Likewise.
9270 (comparison_dominates_p): Handle unordered comparisons.
9271 (reverse_condition_maybe_unordered): New.
9272 * rtl.h (reverse_condition_maybe_unordered): Declare.
9274 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
9275 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
9276 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
9277 * sparc.md (bltgt): New.
9279 2000-01-25 Nick Clifton <nickc@redhat.com>
9281 * emit-rtl.c (emit_insn): Only check machine class insns for
9282 improper emission of a RETURN.
9284 2000-01-25 Richard Henderson <rth@cygnus.com>
9286 * Makefile.in (flow.o): Depend on $(EXPR_H).
9287 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
9288 duplicate the structure of diddle_return_value for keeping regs live.
9290 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9292 * loop.c (current_loop_info): Delete.
9293 (consec_sets_invariant_p): Add loop argument, update callers.
9294 (get_condition_for_loop): Likewise.
9295 (count_nonfixed_reads, update_giv_derive): Likewise.
9296 (simplify_giv_expr, general_induction_var): Likewise.
9297 (consec_sets_giv, recombine_givs): Likewise.
9298 (move_movables): Delete loop_start and loop_end arguments,
9299 add loop argument, and update callers.
9300 (find_mem_givs, check_final_value): Likewise.
9301 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
9302 (loop_invariant_p): Rename from invariant_p, add loop argument, and
9304 (basic_induction_var): Add loop argument, delete loop_level argument,
9306 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
9307 add loop argument, and update callers.
9308 (find_splittable_regs, find_splittable_givs): Likewise.
9309 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
9310 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
9311 (biv_total_increment): Delete loop_start and loop_end arguments;
9313 (precondition_loop_p): Delete loop_start and loop_info arguments;
9315 * loop.h (get_condition_for_loop): Add loop argument.
9316 (biv_total_increment): Delete loop_start and loop_end arguments.
9317 (precondition_loop_p): Delete loop_start and loop_info arguments;
9319 (final_biv_value): Delete loop_start and loop_end arguments;
9321 (final_giv_value, back_branch_in_range_p): Likewise.
9323 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9325 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
9327 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
9329 * Makefile.in (c-gperf.h) : Change the "See" pointer to
9330 point to the new "generated_files" doc.
9332 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9334 * config/fp-bit.c (_unord_f2): Fix typo.
9336 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9338 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
9339 c-typeck.c, objc/objc-act.c: Remove all references to obstack
9340 functions obsoleted by GC, such as push_obstacks_nochange,
9341 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
9342 and code which existed only to decide whether or not to call
9343 them. Remove now-unused NESTED argument from start_function;
9344 all callers changed. Do not change behavior based on ggc_p.
9345 The use of the ixp_obstack in c-iterate.c and the util_obstack
9346 in objc/objc-act.c remain; these are not obsoleted by garbage
9348 * c-tree.h: Update prototype for start_function.
9350 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
9352 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
9354 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
9357 2000-01-25 Richard Henderson <rth@cygnus.com>
9359 * sparc-protos.h (select_cc_mode): Declare.
9360 * sparc.c (select_cc_mode): New. Handle unordered compares.
9361 (output_cbranch): Always reverse via code change. Handle
9362 unordered compares. Factor tests and string updates.
9363 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
9364 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
9365 * sparc.md (bunordered, bordered): New.
9366 (bungt, bunlt, buneq, bunge, bunle): New.
9368 2000-01-25 Richard Henderson <rth@cygnus.com>
9370 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
9371 * ggc-common.c (ggc_add_rtx_varray_root): New.
9372 (ggc_mark_rtx_varray): New.
9373 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
9374 functions down below ggc_mark_foo.
9375 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
9377 2000-01-25 Richard Henderson <rth@cygnus.com>
9379 * alpha.c (secondary_reload_class): Don't allocate a secondary
9380 for integral mode memories into FLOAT_REGS. Rearrange the more
9381 complicated memory expression inward.
9383 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
9385 * inclhack.def: Fixes to play nicer with FreeBSD, and
9386 corrections to comments.
9387 (cxx_unready): Add select expression.
9388 (irix_sockaddr): Add bypass expression.
9389 (machine_ansi_h_va_list): New fix.
9390 (stdio_va_list): No need to edit _BSD_VA_LIST_.
9391 Split out addition of "#include <stdarg.h>" to...
9392 (stdio_stdarg_h): ... here.
9393 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
9394 to stdlib.h also. Do not munge _BSD_SIZE_T_.
9395 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
9397 (ultrix_ifdef): Tighten up select expression.
9399 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
9400 re_ct and max_mach to avoid use of shell. Make printed names
9401 match names in inclhack.def. Use static copyright date.
9402 Don't count c_test and test expressions as requiring regex_t
9403 slots. Add some commentary.
9404 * inclhack.tpl: Do not include the 'This script contains N
9405 fixup scripts' line if PROGRAM is defined. Use static
9408 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
9410 * dwarf2out.c: include "varray.h", not dyn-string.h.
9411 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
9412 (addr_const_to_string, addr_to_string): Lose.
9413 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
9414 (struct dw_val_struct): val_addr is now an rtx.
9415 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
9416 (used_rtx_varray): New varray.
9417 (dwarf2out_init): Initialize it.
9419 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
9421 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
9422 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
9423 * Makefile.in (dwarf2out.o): Update dependencies.
9425 2000-01-24 Richard Henderson <rth@cygnus.com>
9427 * i386.c (i386_dwarf_output_addr_const): New.
9428 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
9430 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
9432 * dwarfout.c (output_mem_loc_descriptor): Likewise.
9433 * i386.c (i386_simplify_dwarf_addr): New.
9434 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
9436 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
9438 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
9439 TYPE_STUB_DECL is NULL.
9441 2000-01-24 Richard Henderson <rth@cygnus.com>
9443 * builtins.c (expand_tree_builtin): Move ...
9444 * c-common.c (expand_tree_builtin): ... here.
9446 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9448 * loop.h (LOOP_INFO): New accessor macro.
9449 * basic-block.h (struct loop): Rename field `info' to `aux'.
9450 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
9451 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
9452 * unroll.c (loop_iterations, unroll_loop): Likewise.
9454 2000-01-24 Christopher Faylor <cgf@cygnus.com>
9456 * config/i386/t-cygwin: Accomodate new winsup directory layout
9457 when searching for include files.
9459 2000-01-24 Richard Henderson <rth@cygnus.com>
9461 * rtl.def: Add unordered fp comparisions.
9462 * tree.def: Likewise.
9463 * tree.h: Add ISO C 9x unordered fp comparision builtins.
9465 * builtins.c (expand_tree_builtin): New function.
9466 * c-typeck.c (build_function_call): Use it.
9467 (build_binary_op): Support unordered compares.
9468 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
9470 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
9471 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
9472 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
9473 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
9474 * jump.c (reverse_condition): Don't abort for UNLE etc, but
9476 (swap_condition): Handle unordered compares.
9477 (thread_jumps): Check can_reverse before reversing.
9478 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
9481 * optabs.c (can_compare_p): New argument CODE. Verify branch or
9482 setcc is present before acking for cmp_optab. Update all callers.
9483 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
9484 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
9485 * expr.c (expand_expr): Likewise. Support unordered compares.
9486 (do_jump, do_store_flag): Likewise.
9487 * expr.h (enum libfunc_index): Add unordered compares.
9489 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
9490 (DPBIT_FUNCS): Add _unord_df.
9491 * config/fp-bit.c (_unord_f2): New.
9492 * fp-test.c (main): Try unordered compare builtins.
9494 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
9495 * alpha.c (alpha_comparison_operator): Check mode properly.
9496 (alpha_swapped_comparison_operator): Likewise.
9497 (signed_comparison_operator): Likewise.
9498 (alpha_fp_comparison_operator): New.
9499 (alpha_emit_conditional_branch): Handle unordered compares.
9500 * alpha.h (PREDICATE_CODES): Update.
9501 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
9502 (bunordered, bordered): New.
9504 2000-01-24 Richard Henderson <rth@cygnus.com>
9506 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
9507 * alpha.md (movtf): New expander, insn, and splitter.
9509 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
9511 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
9514 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
9516 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
9517 (FIXED_REGISTERS, CALL_USED_REGISTERS,
9518 REG_ALLOC_ORDER): Add frame pointer
9519 (FRAME_POINTER_REGNUM): Set to 20
9520 (HARD_FRAME_POINTER_REGNUM): New macro.
9521 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
9522 to HARD_FRAME_POINTER.
9523 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
9524 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
9525 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
9526 (HI_REGISTER_NAMES): Add "frame".
9527 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
9528 (debug_reg): Handle FRAME_POINTER_REGNUM.
9529 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
9530 GENERAL_REGS and INDEX_REGS.
9531 * i386.c (SAVED_REGS_FIRST): new macro.
9532 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
9533 (ix86_decompose_address, memory_address_length): Likewise.
9534 (regclass_map): Add frame pointer.
9535 (call_insn_operand): Handle frame_pointer_rtx.
9536 (reg_no_sp_operand): Likewise.
9537 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
9538 (print_operand, legitimize_pic_address): Fix formating.
9539 (ix86_compute_frame_size): Make static, update prototype, new
9540 parameters padding1, padding2, use ix86_nsaved_regs, use
9541 stack_alignment_needed.
9542 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
9543 to HARD_FRAME_POINTER_REGNUM conversions.
9544 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
9545 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
9546 (print_reg): Abort on FRAME_POINTER_REGNUM
9548 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
9550 * i386.h (PREDICATE_CODES): Add aligned_operand.
9551 * i386.c (aligned_operand): New function.
9552 (ix86_aligned_p): Kill.
9553 * i386.md (movhi_1): Emit mov for aligned operands.
9554 (promoting peep2s): Use aligned_operand.
9556 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
9558 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
9559 expression to allow underscores in macro names.
9560 (fix_char_macro_defines): Increment scanning pointer.
9562 2000-01-23 Richard Henderson <rth@cygnus.com>
9564 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
9565 * alpha/osf5.h: New file.
9566 * configure.in (alpha-*-osf5): Add it to tm_file.
9568 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
9570 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
9571 (alpha_emit_xfloating_cvt, function_arg): Declare.
9572 * alpha.c (alpha_emit_conditional_branch): Call
9573 alpha_emit_xfloating_compare for TFmode compares.
9574 (alpha_lookup_xfloating_lib_func): New.
9575 (alpha_compute_xfloating_mode_arg): New.
9576 (alpha_emit_xfloating_libcall): New.
9577 (alpha_emit_xfloating_arith): New.
9578 (alpha_emit_xfloating_compare): New.
9579 (alpha_emit_xfloating_cvt): New.
9580 (print_operand): Add default abort case.
9581 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
9582 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
9583 (BIGGEST_ALIGNMENT): Increase to 128 bits.
9584 (RETURN_IN_MEMORY): True for TF/TCmode.
9585 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
9586 (FUNCTION_ARG): Move to function_arg.
9587 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
9588 (ASM_OUTPUT_LONG_DOUBLE): New.
9589 (ASM_OUTPUT_DOUBLE): Always output bits.
9590 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
9591 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
9592 (extenddftf2, trunctfdf2): New.
9594 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9596 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
9597 * config/sparc/sol2.h: ... here.
9599 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9601 * basic-block.h (struct loops): New field `levels'.
9602 * flow.c (flow_loops_level_compute): Traverse all outer loops.
9603 (flow_loop_level_compute): Initialise level to 1.
9604 (flow_loops_find): Set loops->levels.
9605 (flow_loops_dump): Print loops->levels.
9607 2000-01-23 Richard Henderson <rth@cygnus.com>
9609 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
9610 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
9612 2000-01-23 Richard Henderson <rth@cygnus.com>
9614 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
9615 * i386.h (DBX_REGISTER_NUMBER): Use them.
9616 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
9617 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
9618 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
9619 * i386/sequent.h: Kill incorrect comment.
9621 2000-01-23 Mark Mitchell <mark@codesourcery.com>
9623 * ggc-page.c (struct page_entry): Make `context_depth' an
9625 (struct globals): Likewise.
9627 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
9629 * loop.c (check_dbra_loop): When checking a loop for
9630 reversability, check the source of any stores to ensure
9631 they don't depend on an initial value.
9633 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9635 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
9637 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
9639 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
9640 'pz_scan' into scope of entire function. Only affects
9641 compiles with -DDEBUG.
9643 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
9645 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
9646 section naming to that prior to 2000-01-07 patch.
9647 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
9648 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
9649 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
9650 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
9651 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
9653 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
9655 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
9658 2000-01-21 Jim Wilson <wilson@cygnus.com>
9660 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
9661 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
9663 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9665 * cpphash.c (change_newlines): Delete function.
9666 (struct argdata): Delete 'newlines' and 'use_count' fields.
9667 (macroexpand): Remove code referencing those fields.
9669 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9671 * loop.c (loops_info): New variable.
9672 (loop_optimize): Allocate loops->array and free it on exit.
9673 Allocate memory for loops_info and assign to each loop,
9675 (find_and_verify_loops): Do not allocate loops->array.
9677 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
9679 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
9681 2000-01-21 Jakub Jelinek <jakub@redhat.com>
9683 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
9684 pseudos if expanded after first flow.
9685 (movdi_pic_label_ref): Likewise.
9687 2000-01-20 Richard Henderson <rth@cygnus.com>
9689 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
9691 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
9693 * Makefile.in (fixinc.sh): Depend on specs.
9694 * fixinc/Makefile.in: Add rule to create machname.h.
9695 (fixlib.o): Depend on machname.h.
9696 * fixinc/fixtests.c (machine_name): New test.
9697 * fixinc/fixfixes.c (machine_name): New fix.
9698 * fixinc/fixlib.c (mn_get_regexps): New helper function for
9699 the machine_name test and fix.
9700 * fixinc/fixlib.h: Prototype it.
9701 * fixinc/inclhack.def (machine_name): Use the C test and fix.
9702 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
9704 * gcc.c (do_spec_1) [case P]: Take care not to create
9705 identifiers with three leading or trailing underscores.
9707 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
9708 (fixincl): Don't specify libraries twice on link line.
9709 (gnu-regex.o): Remove special rule.
9710 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
9711 defined by config.h. Do not define _REGEX_RE_COMP.
9712 (regcomp): Allocate and initialize a fastmap.
9713 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
9715 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
9717 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
9719 2000-01-19 Richard Henderson <rth@cygnus.com>
9721 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
9722 arguments with BB. Update all callers. Tidy line wrapping.
9724 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
9726 * emit-rtl.c (try_split): Return last_insn if we split the
9729 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
9731 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
9732 (ix86_initial_elimination_offset): Declare.
9733 * i386.c (ix86_nsaved_regs): Break out from ...
9734 (ix86_can_use_return_insn_p): ... here.
9735 (ix86_emit_save_regs): Break out from ...
9736 (ix86_expand_prologue): ... here.
9737 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
9739 (ix86_expand_epilogue): ... here.
9740 (ix86_compute_frame_size): Make static, add prototype.
9741 (ix86_initial_elimination_offset): Break out from ...
9742 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
9744 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9746 * recog.h (OUT_FCN): Delete.
9748 * vax.md: Call `get_insn_template' instead of OUT_FCN.
9750 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9752 * cppalloc.c: PROTO -> PARAMS.
9753 * cpperror.c: Likewise.
9754 * cppfiles.c: Likewise.
9755 * cpplib.c: Likewise.
9756 * cpplib.h: Likewise.
9758 * config/arm/arm-protos.h: PROTO -> PARAMS.
9759 * config/arm/arm.c: Likewise.
9760 * config/c4x/c4x.c: Likewise.
9761 * config/fr30/fr30-protos.h: Likewise.
9762 * config/nextstep.c: Likewise.
9763 * config/pa/pa.c: Likewise.
9764 * config/pj/pj.c: Likewise.
9765 * config/rs6000/rs6000.c: Likewise.
9766 * config/v850/v850-protos.h: Likewise.
9767 * config/v850/v850.c: Likewise.
9769 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9771 * i370-protos.h: New file.
9773 * i370.c: Include tm_p.h. Fix compile time warnings.
9775 * i370.h: Move prototypes to i370-protos.h. Fix compile time
9778 * i370.md: Likewise.
9780 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9782 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
9783 (target_isinf, target_isnan, eisnan): Mark parameter with
9785 (eiisinf): Wrap in INFINITY.
9786 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
9787 (ibmtoe): Remove unused variable `rndsav'.
9789 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9791 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
9792 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
9794 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
9796 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
9797 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
9798 (fix_char_macro_defines, fix_char_macro_uses): New functions.
9800 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
9801 Recognize Emacs mode markers also.
9802 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
9803 C++ comments in C++ headers. Call is_cxx_header only if
9806 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
9808 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
9809 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
9810 ... these, which use the new C fixes.
9811 (math_exception): Escape literal '+' in bypass expression.
9813 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
9816 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9818 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
9821 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9823 * loop.c (loop_optimize): Allocate loop_info structure for each loop
9824 prior to calling scan_loop.
9826 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9828 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
9829 (split_branches, calc_live_regs): Likewise.
9831 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9833 * sh.md (fpu_single, fp_mode): New attributes.
9835 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9837 * loop.c (current_loop_info): Renamed from loop_info_data
9838 and changed to a pointer.
9839 (loop_optimize): Allocate loop_info structure for each loop
9840 and initialise to zero.
9841 (scan_loop): Set current_loop_info.
9843 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
9846 2000-01-19 Richard Henderson <rth@cygnus.com>
9848 * stupid.c: Die die die.
9849 * Makefile.in (OBJS): Remove stupid.o.
9850 (stupid.o): Likewise.
9852 * except.c (emit_eh_context): Don't emit USEs for stupid.
9853 * explow.c (probe_stack_range): Likewise.
9854 * flags.h (obey_regdecls): Remove.
9855 * flow.c (find_basic_blocks): Don't run try_merge_blocks
9856 when not optimizing.
9857 (life_analysis): Limit data collection when not optimizing.
9858 (mark_regs_live_at_end): Always mark the return value registers.
9859 (mark_used_regs): Remove dummy RETURN case.
9860 (print_rtl_with_bb): Don't consult obey_regdecls.
9861 * function.c (use_variable, use_variable_after): Remove.
9862 (assign_parms): Consult optimize not obey_regdecls.
9863 (expand_function_start): Don't emit USEs for stupid.
9864 (expand_function_end): Likewise.
9865 * global.c (build_insn_chain): Export.
9866 * integrate.c (expand_inline_function): Kill return-value USE
9868 * jump.c (jump_optimize_1): Do simple jump optimizations and
9869 dead code elimination.
9870 (calculate_can_reach_end): Remove check_deleted argument.
9871 (delete_insn): Patch out insns even when not optimizing.
9872 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
9873 * rtl.h (use_variable, use_variable_after): Remove declarations.
9874 (build_insn_chain): Declare.
9875 * stmt.c (expand_value_return): Don't emit USEs for stupid.
9876 (expand_end_bindings): Likewise.
9877 (expand_decl): Likewise. Consult optimize not obey_regdecls.
9878 * toplev.c (obey_regdecls): Remove.
9879 (rest_of_compilation): Don't set it. Kill stupid in favour of
9880 flow1, local-alloc, and reload.
9881 (main): Don't set obey_regdecls.
9883 * config/nextstep.c (handle_pragma): Likewise.
9885 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
9887 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
9889 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9891 * alpha-protos.h: PROTO -> PARAMS.
9892 * alpha.c: Likewise.
9894 * h8300.c: Likewise.
9895 * i386-protos.h: Likewise.
9897 * m32r-protos.h: Likewise.
9900 * mips.md: Likewise.
9901 * gmon-sol2.c: Likewise.
9902 * sparc.c: Likewise.
9904 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9906 * ns32k-protos.h: New file.
9908 * ns32k.c: Fix compile time warnings.
9910 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
9913 * ns32k.md: Likewise.
9915 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9917 * vax-protos.h: New file.
9919 * vax.c: Fix compile time warnings.
9921 * vax.h: Move prototypes to vax-protos.h. Fix compile time
9926 * vaxv.md: Likewise.
9928 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9930 * romp-protos.h: New file.
9932 * romp.c: Fix compile time warnings.
9934 * romp.h: Move prototypes to romp-protos.h. Fix compile time
9937 * romp.md: Likewise.
9939 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9941 * we32k-protos.h: New file.
9943 * we32k.c: Fix compile time warnings.
9945 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
9948 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9950 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
9952 * except.c (eh_regs): Likewise.
9954 * final.c (output_operand): Likewise.
9956 * fold-const.c (target_isinf, target_isnan): Likewise.
9958 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
9960 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
9961 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
9963 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
9965 (clrstrsi): Rewrite.
9966 (strsethi, strsetqi): New expanders.
9967 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
9968 (cmpstrsi): Emit compare insn before cmpstrsi_1
9969 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
9970 (strlensi_1): Likewise.
9971 (cmpstrsi_1): Likewise; do not output compare.
9972 (strlen expander): Do not unroll when optimizing for size.
9973 (*subsi3_carry): Rename to subsi3_carry
9974 (addqi3_cc): New pattern.
9975 * i386.h (processor_costs): Add move_ratio field.
9976 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
9977 * i386.c (*_cost): Set move_ratio.
9978 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
9979 (x86_expand_strlensi_1): Rewrite the main loop.
9981 2000-01-17 Richard Henderson <rth@cygnus.com>
9983 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
9984 * cse.c (find_comparison_args, fold_rtx): Likewise.
9985 * integrate.c (subst_constants): Likewise.
9986 * loop.c (get_condition): Likewise.
9988 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
9990 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
9992 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9994 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
9995 (RESTORE_WARN_FLAGS): Unpack it.
9996 Change semantic type of extension to ttype.
9997 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
9998 * c-parse.y, c-parse.c, objc/objc-parse.y,
9999 objc/objc-parse.c: Regenerate.
10001 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10003 * fixinc/fixlib.c: Add copyright notice.
10004 (compile_re): New function.
10005 * fixinc/fixlib.h: Prototype compile_re.
10007 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10008 Use compile_re to compile regular expressions.
10010 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10011 where the pattern matched.
10013 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10015 (ultrix_ansi_compat): Likewise.
10016 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10018 (interactv_add2, interactv_add3): Delete.
10019 (x11_sprintf): Don't use filename glob.
10020 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10023 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10025 * print-rtl.c: PROTO -> PARAMS.
10026 * real.c: Likewise.
10027 * reg-stack.c: Likewise.
10028 * resource.c: Likewise.
10029 * sdbout.h: Likewise.
10030 * simplify-rtx.c: Likewise.
10031 * stor-layout.c: Likewise.
10032 * stupid.c: Likewise.
10033 * xcoffout.c: Likewise.
10034 * xcoffout.h: Likewise.
10036 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10038 * toplev.c: PROTO -> PARAMS.
10039 * toplev.h: Likewise.
10040 * tree.c: Likewise.
10041 * tree.h: Likewise.
10042 * unroll.c: Likewise.
10043 * varasm.c: Likewise.
10044 * varray.c: Likewise.
10045 * varray.h: Likewise.
10047 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10049 * reload.c: PROTO -> PARAMS.
10050 * reload.h: Likewise.
10051 * reload1.c: Likewise.
10052 * reorg.c: Likewise.
10053 * resource.h: Likewise.
10056 * rtlanal.c: Likewise.
10057 * sbitmap.h: Likewise.
10058 * sdbout.c: Likewise.
10059 * stack.h: Likewise.
10060 * stmt.c: Likewise.
10061 * system.h: Likewise.
10063 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10065 * machmode.h: PROTO -> PARAMS.
10066 * mbchar.h: Likewise.
10067 * mips-tdump.c: Likewise.
10068 * mips-tfile.c: Likewise.
10069 * optabs.c: Likewise.
10070 * output.h: Likewise.
10071 * prefix.c: Likewise.
10072 * profile.c: Likewise.
10073 * protoize.c: Likewise.
10074 * real.h: Likewise.
10075 * recog.c: Likewise.
10076 * recog.h: Likewise.
10077 * regclass.c: Likewise.
10078 * regmove.c: Likewise.
10079 * regs.h: Likewise.
10081 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10083 * ggc-common.c: PROTO -> PARAMS.
10084 * ggc-page.c: Likewise.
10085 * ggc-simple.c: Likewise.
10087 * global.c: Likewise.
10088 * graph.c: Likewise.
10089 * gthr-win32.h: Likewise.
10090 * haifa-sched.c: Likewise.
10091 * halfpic.h: Likewise.
10092 * integrate.c: Likewise.
10093 * integrate.h: Likewise.
10094 * jump.c: Likewise.
10096 * local-alloc.c: Likewise.
10097 * loop.c: Likewise.
10098 * loop.h: Likewise.
10100 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10102 * genattr.c: PROTO -> PARAMS.
10103 * genattrtab.c: Likewise.
10104 * gencheck.c: Likewise.
10105 * gencodes.c: Likewise.
10106 * genconfig.c: Likewise.
10107 * genemit.c: Likewise.
10108 * genextract.c: Likewise.
10109 * genflags.c: Likewise.
10110 * gengenrtl.c: Likewise.
10111 * genopinit.c: Likewise.
10112 * genoutput.c: Likewise.
10113 * genpeep.c: Likewise.
10114 * genrecog.c: Likewise.
10116 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10118 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10120 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10122 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10123 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10124 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10125 * configure, config.in: Rebuilt.
10127 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10129 * config/i386/i386.md: Add peephole to merge successive stack
10132 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10134 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10135 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10136 when walking backwards to find all the parameter loads when
10137 the basic block ends in a call.
10139 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10141 * loop.c (this_loop_info): Delete.
10142 (uid_loop): Add in place of uid_loop_num. All uses updated.
10143 (loop_number_exit_count): Delete and replace with entry in loop
10144 structure. All uses updated.
10145 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10146 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10147 (loop_outer_loop): Likewise.
10148 (loop_invalid, loop_number_exit_labels): Likewise.
10149 (loop_used_count_register): Delete and replace with entry in
10150 loop_info structure.
10151 (find_and_verify_loops): Add loops argument.
10152 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
10153 loop_end, etc. arguments with loop structure pointer. All callers
10155 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
10156 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
10157 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
10158 (insert_bct): Likewise.
10159 (basic_induction_var): New argument level.
10160 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
10161 vtop, and cont. Add used_count_register.
10162 (uid_loop): Delete declaration.
10163 (loop_number_exit_count): Likewise.
10164 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
10165 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
10166 (loop_outer_loop, loop_used_count_register): Likewise.
10167 (loop_invalid, loop_number_exit_labels): Likewise.
10168 (unroll_loop): Replace loop_start and loop_end arguments
10169 with loop structure pointer.
10170 (loop_precondition_p, loop_iterations): Likewise.
10171 Include basic-block.h.
10172 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
10173 with loop structure pointer.
10174 (loop_precondition_p, loop_iterations): Likewise.
10175 * basic-block.h (struct loop): New entries vtop, cont,
10176 cont_dominator, start, end, top, scan_start, exit_labels,
10178 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
10180 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10182 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
10184 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
10186 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
10188 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10190 * pdp11-protos.h: New file.
10192 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
10195 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
10198 * pdp11.md: Likewise.
10200 * 2bsd.h: Likewise.
10202 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10204 * mn10300-protos.h: New file.
10206 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
10209 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
10212 * mn10300.md: Likewise.
10214 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10216 * mn10200-protos.h: New file.
10218 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
10221 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
10224 * mn10200.md: Likewise.
10226 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10228 * h8300-protos.h: New file.
10230 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
10233 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
10236 * h8300.md: Likewise.
10238 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10240 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
10241 (asm_emit_uninitialised): Likewise.
10243 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
10245 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
10246 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
10248 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10250 * config/mips/mips.c (override_options): Don't turn on extra
10251 alignment for mips16.
10253 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10255 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
10256 eabi, and make sure queued POSTINCREMENT rtl is emitted at
10259 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10261 * builtins.c (PAD_VARARGS_DOWN): Define.
10262 (std_expand_builtin_va_arg): Use the above macro.
10263 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
10264 * tm.texi (Register Arguments): Document the above macro.
10266 2000-01-14 Nick Clifton <nickc@cygnus.com>
10268 * emit-rtl.c (emit_insn): If checking is enabled, make sure
10269 that this function has not been used to emit a jump
10272 * jump.c (return_jump_1): Cope with being passed a null rtx.
10274 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10276 * eh-common.h: PROTO -> PARAMS.
10277 * emit-rtl.c: Likewise.
10278 * errors.c: Likewise.
10279 * errors.h: Likewise.
10280 * except.c: Likewise.
10281 * except.h: Likewise.
10282 * explow.c: Likewise.
10283 * expmed.c: Likewise.
10284 * expr.c: Likewise.
10285 * expr.h: Likewise.
10286 * final.c: Likewise.
10287 * fix-header.c: Likewise.
10288 * flow.c: Likewise.
10289 * fold-const.c: Likewise.
10290 * function.c: Likewise.
10291 * function.h: Likewise.
10293 * gcov-io.h: Likewise.
10294 * gcov.c: Likewise.
10295 * gcse.c: Likewise.
10297 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10299 * sh-protos.h: New file.
10301 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
10302 Add static prototypes. Fix compile time warnings.
10304 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
10308 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10310 * arc-protos.h: New file.
10312 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
10315 * arc.h: Move prototypes to arc-protos.h. Fix compile time
10318 * arc.md: Likewise.
10320 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10322 * dsp16xx-protos.h: New file.
10324 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
10327 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
10330 * dsp16xx.md: Likewise.
10332 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10334 * convex-protos.h: New file.
10336 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
10339 * convex.h: Move prototypes to convex-protos.h. Fix compile time
10342 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10344 * elxsi-protos.h: New file.
10346 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
10349 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
10352 * elxsi.md: Likewise.
10354 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
10356 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
10357 case for moving from HI/LO/HI_LO_REG. This makes the behavior
10358 match the comment for MIPS16.
10360 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
10362 * flow.c (split_edge): Do not call set_block_for_insn if we
10363 do not have a basic_block_for_insn structure.
10365 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
10366 and destination functions are 32bit aligned within the trampoline.
10367 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
10368 (TRAMPOLINE_ALIGNMENT): Define.
10370 * cse.c (cse_insn): When changing (set (pc) (reg)) to
10371 (set (pc) (label_ref)), verify the change creates a valid insn.
10373 * fr30.c (call_operand): Tighten and rework to match rules for
10374 call RTL expressions.
10375 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
10376 * fr30.md (call patterns): Improve constraints.
10378 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
10380 * fr30.c (fr30_expand_epilogue): Revert last change.
10381 Use emit_jump_insn for the return insn.
10383 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
10384 Stan Cox <scox@cygnus.com>
10386 * predict.c: New file. Preliminary infrastructure work for static
10387 branch prediction and basic block reordering.
10388 * basic-block.h: Add prototype for estimate_probability.
10389 * Makefile.in: Add rules for predict.o.
10391 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
10393 * fixincludes (va_list): Use __not_va_list__ for the dummy.
10394 * fixinc/*: Likewise.
10396 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10398 * cccp.c: PROTO -> PARAMS.
10399 * cexp.y: Likewise.
10400 * collect2.c: Likewise.
10401 * combine.c: Likewise.
10402 * convert.h: Likewise.
10404 * dbxout.c: Likewise.
10405 * dbxout.h: Likewise.
10406 * diagnostic.c: Likewise.
10407 * doprint.c: Likewise.
10408 * dwarf2out.c: Likewise.
10409 * dwarf2out.h: Likewise.
10410 * dwarfout.c: Likewise.
10411 * dwarfout.h: Likewise.
10412 * dyn-string.h: Likewise.
10414 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10416 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
10417 macro conditionals guarding use.
10419 * dwarf2out.c: Include "tm_p.h".
10421 * function.c (locate_and_pad_parm): Mark parameter with
10423 (expand_function_end): Likewise for variable `context'.
10425 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
10427 2000-01-13 Nick Clifton <nickc@cygnus.com>
10429 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
10430 register to prevent compile time warnings.
10432 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
10434 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
10435 to avoid -Wtraditional warning.
10437 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10439 * 1750a-protos.h: New file.
10441 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
10444 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
10447 * 1750a.md: Likewise.
10449 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10451 * a29k-protos.h: New file.
10453 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
10456 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
10459 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10461 * clipper-protos.h: New file.
10463 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
10466 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
10469 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10471 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
10473 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
10475 * configure.in (--enable-new-gxx-abi): New option.
10476 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
10477 * Makefile.in (GXX_ABI_FLAG): New variable.
10478 * configure: Regenerate.
10480 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10482 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
10483 * tm.texi (FORCE_STRUCT_BLK): Document.
10484 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
10486 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
10488 * config/ns32k/ns32k.md: Revert Jan 9 change.
10490 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
10491 to a mode-test, if the predicate is address_operand.
10493 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
10495 * combine.c (if_then_else_cond): Be careful about what kinds
10496 of RTL expressions are passed to operand_subword.
10498 * flow.c (split_edge): If we have to insert a new jump, make
10499 sure to associate it with a basic block.
10501 * flow.c (commit_one_edge_insertion): A block with one successor
10502 can end in a JUMP_INSN that is not a simplejump.
10504 2000-01-12 Robert Lipe <robertl@sco.com>
10506 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
10507 (BUILD_VA_LIST_TYPE): Define.
10508 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
10511 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
10513 * cccp.c (do_pragma): Add cast to (char *).
10515 2000-01-12 Richard Henderson <rth@cygnus.com>
10516 Fred Fish <fnf@be.com>
10517 Jason Merrill <jason@cygnus.com>
10519 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
10520 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
10521 * i386/beos-elf.h, i386/beos-pe.h: New files.
10523 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
10524 * cross-make (SYSTEM_HEADER_DIR): Define using
10525 CROSS_SYSTEM_HEADER_DIR.
10527 * gcc.c (LIBRARY_PATH_ENV): Provide default.
10528 (process_command): Use it.
10529 (main): Likewise. Kill trailing = from env vars.
10530 (build_search_list): Put it back.
10531 * collect2.c (main): Use LIBRARY_PATH_ENV.
10533 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
10534 * toplev.c: Use NEED_DECLARATION_ENVIRON.
10536 * tm.texi (Frame Layout): Document SMALL_STACK.
10537 * c-common.c (c_common_nodes_and_builtins): Check it.
10539 * system.h: Undef alloca after including glibc's <stdlib.h>,
10540 if USE_C_ALLOCA is defined.
10542 * gcc.c (set_input): New fn.
10543 (main): After all input files are compiled, reset the input file
10546 * aclocal.m4 (rindex, index): If already defined, don't attempt
10549 * ginclude/varargs.h: (__va_list__): Define ifndef.
10550 * ginclude/stdarg.h: Likewise.
10552 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
10553 instead of unsigned char.
10555 * hash.h (true, false, boolean): Undef before enum.
10557 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
10558 proper type of "HOST_WIDE_INT *", rather than their natural type of
10559 "unsigned HOST_WIDE_INT *".
10561 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10563 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
10565 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
10567 * regclass.c (choose_hard_reg_mode): Likewise.
10569 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
10571 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
10573 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10575 * c-common.c: PROTO -> PARAMS.
10576 * c-common.h: Likewise.
10577 * c-decl.c: Likewise.
10578 * c-iterate.c: Likewise.
10579 * c-lang.c: Likewise.
10580 * c-lex.c: Likewise.
10581 * c-lex.h: Likewise.
10582 * c-parse.in: Likewise.
10583 * c-pragma.c: Likewise.
10584 * c-pragma.h: Likewise.
10585 * c-tree.h: Likewise.
10586 * c-typeck.c: Likewise.
10587 * objc/objc-act.c: Likewise.
10588 * objc/objc-act.h: Likewise.
10590 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10592 * m88k-protos.h: New file.
10594 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
10597 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
10599 * m88k.md: Likewise.
10601 * tekXD88.h: Likewise.
10603 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10605 * m68k-protos.h: New file.
10607 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
10610 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
10612 * mot3300.h: Likewise.
10614 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
10616 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
10618 (extract_bitlist): Declare bitlen.
10620 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
10622 * cccp.c: Accept and ignore -lang-fortran.
10624 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
10625 qualifiers don't match at any level of pointerness.
10627 2000-01-12 Robert Lipe <robertl@sco.com>
10629 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
10631 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
10633 * reload1.c (reload_reg_unavailable): New static variable.
10634 (reload_reg_free_p): Test it.
10635 (reload_reg_free_for_value_p): Test it instead of
10637 (choose_reload_regs_init): Compute it.
10639 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
10641 * reorg.c (fill_slots_from_thread): Check modified_in_p
10644 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
10646 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
10647 these nodes even if INTERNALS is not set.
10649 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
10651 * gcse.c (delete_null_pointer_checks_1): Cope when
10652 get_condition cannot determine the condition.
10654 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
10656 * toplev.h (set_message_length): Declare.
10658 * diagnostic.c (obstack_chunk_alloc): Define macro.
10659 (obstack_chunk_free): Likewise.
10660 (struct output_buffer): New data structure.
10661 (vmessage): Remove.
10662 (output_maximum_width): New variable.
10663 (doing_line_wrapping, set_message_length, init_output_buffer,
10664 get_output_prefix, output_space_left, emit_output_prefix,
10665 output_newline, output_append, output_puts, dump_output,
10666 vbuild_message_string, build_message_string, build_location_prefix,
10667 voutput_notice, output_printf, line_wrapper_printf,
10668 vline_wrapper_message_with_location): New functions. Implement
10669 automatic line wrapping.
10670 (v_message_with_decl): Make it handle automatic line wrapping.
10671 (v_error_with_file_and_line): Likewise.
10672 (v_warning_with_file_and_line): Likewise.
10673 (announce_function): Likewise.
10674 (default_print_error_function): Likewise.
10676 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
10678 * cpplib.h (struct cpp_options): Change lang_asm to char.
10680 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
10681 done in cpp_handle_option now.
10682 (initialize_builtins): Take out special case code used only by
10684 (cpp_handle_option): Turn off trigraphs and trigraph warnings
10685 if -traditional. Recognize -lang-fortran and set
10686 lang_fortran, also turn off cplusplus_comments.
10687 (print_help): Document -lang-fortran.
10688 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
10689 lang_asm. Ignore all directives other than `# 123 "file"' if
10691 (cpp_get_token): If -traditional, don't recognize directives
10692 unless the # is in column 1.
10693 (parse_string): If lang_fortran or lang_asm, silently
10694 terminate strings ('' or "") at end of line.
10695 Remove unnecessary braces.
10697 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10698 Richard Henderson <rth@cygnus.com>
10700 * resource.c (mark_referenced_resources): Mark a set strict_low_part
10702 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
10703 strict_low_part when possible.
10705 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10707 * alias.c: PROTO -> PARAMS.
10708 * basic-block.h: Likewise.
10709 * bitmap.c: Likewise.
10710 * bitmap.h: Likewise.
10711 * builtins.c: Likewise.
10712 * c-aux-info.c: Likewise.
10713 * caller-save.c: Likewise.
10714 * calls.c: Likewise.
10716 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10718 * Makefile.in (toplev.o): Depend on regs.h.
10720 * output.h (tdesc_section): Prototype.
10722 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
10724 * sdbout.c: Include "tm_p.h".
10726 * toplev.c: Include "regs.h".
10728 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
10730 * unroll.c (unroll_loop): Add EH support.
10732 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10734 * pa-protos.h: New file.
10736 * pa.c: Include recog.h and tm_p.h.
10737 (compute_zdepwi_operands, compute_movstrsi_length,
10738 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
10739 find_addr_reg, import_milli): Add static prototypes.
10740 (pa_cpu_string, pa_arch_string): Constify a char*.
10741 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
10742 (read_only_operand): Add argument `mode'.
10743 (singlemove_string, output_move_double, output_fp_move_double,
10744 output_block_move, output_and, output_ior, output_ascii,
10745 remove_useless_addtr_insns, milli_names, output_mul_insn,
10746 output_div_insn, output_mod_insn, output_arg_descriptor,
10747 output_cbranch, output_bb, output_bvb, output_dbra, ,
10748 output_millicode_call, output_call, hppa_encode_label,
10749 output_parallel_movb, output_parallel_addb): Constify a char*.
10750 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
10751 (output_parallel_addb): Remove extra arg to `constrain_operands'
10753 * pa.h: Move all prototypes to pa-protos.h.
10754 (pa_cpu_string, pa_arch_string): Constify a char*.
10755 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
10757 * pa.md: Call `function_label_operand' with mode argument.
10758 Likewise for `read_only_operand'.
10759 Fix nesting of parens in call to `symbolic_operand'.
10761 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10763 * i860-protos.h: New file.
10765 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
10768 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
10770 * i860.md: Likewise.
10772 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
10774 * i386.md (movstrsi expander): Rewrite.
10775 (movstrsi_1 insn): Deleted.
10776 (strmovhi, strmovqi expander): New expanders.
10777 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
10778 * i386.c (x86_single_stringop): New global variable.
10779 * i386.h (x86_single_stringop): Declare.
10780 (TARGET_SINGLE_STRINGOP): New macro.
10782 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10784 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
10785 integer vararg POSTINCREMENT before the destination of the jump
10786 for the hard fp case.
10787 (function_arg_pass_by_reference): Pass a copy of CUM to
10790 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
10791 for CONSTANT_ADDRESS_P above while loop for subreg.
10793 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
10795 * flow.c (propagate_block): When a prologue/epilogue insn
10796 is marked dead, unconditionally clear libcall_is_dead and
10797 insn_is_dead, and only dump rtl if warnings aren't being
10800 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
10802 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
10803 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
10804 (FIXED_REGISTERS): Set dirflag as fixed.
10805 (CALL_USED_REGISTERS): Set dirflag as used.
10806 (REG_ALLOC_ORDER): Set dirflag as last one.
10807 (DIRFLAG_REG): New macro.
10808 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
10809 (HI_REGISTER_NAMES): Add dirflag.
10810 (DEBUF_PRINT_REG): Handle dirflag.
10811 * i386.md (type attribute): New cld and str types.
10812 (length_opcode attribute): Set cld and str to 1.
10813 (memory attribute): Set str to unknown - it is not clear from the
10815 (pent_np function unit): Prefixed string operations takes 12 cycles
10816 minimally; cld takes 2 cycles.
10817 (ppro_uops attribute): Str is "many" and cld is "few".
10818 (ppro_p0 unit): Handle cld here.
10819 (k6_alux unit): Handle cld and str types.
10820 (k6_load unit): It is ocupied by str opcodes.
10821 (k6_store unit): It is ocupied by str opcodes.
10822 (athlon_decode): Str is vector decoded.
10823 (athlon_ieu): Handle str and cld.
10824 (cld pattern): New.
10825 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
10826 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
10827 cmpstrsi_nz_1 insn): Do not output cld instruction
10829 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
10831 * gcc.texi (G++ and GCC): Add Java and Chill.
10832 (Bug Critera): Don't list languages.
10834 * gcc.texi (Incompatibilities): No longer claim most C compilers
10837 * gcc.texi (G++ and GCC): Update other front-ends list.
10839 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
10841 * i386.c (ix86_expand_setcc): Fix typo.
10842 (ix86_expand_movcc): Similarly.
10844 * Band-aid until haifa's bitset implementation is nuked.
10845 * haifa-sched.c (extract_bitlst): New parameter for size of the
10846 bitset in bits. All callers changed. Avoid looking at undefined
10847 bits in the bitset.
10848 (edgeset_bitsize): New variable.
10849 (schedule_region): Initialize edgeset_bitsize.
10851 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10853 * Makefile.in (optabs.o): Depend on real.h
10854 (resource.o): Depend on insn-attr.h
10856 * builtins.c (result_vector): Wrap prototype in macro conditions
10857 governing definition and use.
10859 * c-common.c: Include tm_p.h.
10861 * c-lex.c: Likewise.
10863 * elfos.h: Constify a char*.
10865 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
10866 (get_attr_length, shorten_branches, profile_after_prologue): Mark
10867 parameter with ATTRIBUTE_UNUSED.
10869 * fold-const.c (exact_real_inverse): Wrap variable `i' in
10872 * haifa-sched.c (schedule_insns): Mark parameter with
10875 * optabs.c: Include real.h.
10877 * real.h (ereal_atof): Add prototype arguments.
10879 * resource.c: Include insn-attr.h.
10881 * sdbout.c (sdbout_queue_anonymous_type,
10882 sdbout_dequeue_anonymous_types): Wrap in macro
10883 SDB_ALLOW_FORWARD_REFERENCES.
10884 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
10887 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
10889 * stupid.c: Include tm_p.h.
10891 * tree.c (real_value_from_int_cst): Mark parameter with
10894 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10896 * i960-protos.h: New file.
10898 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
10901 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
10903 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10905 * combine.c (expand_field_assignment): Do not discard SUBREGs
10906 while computing nonzero_bits.
10908 2000-01-09 Nick Clifton <nickc@cygnus.com>
10910 * config/arm/arm.c: Fix compile time warnings about signed vs
10911 unsigned constants.
10912 * config/arm/arm.h: Fix compile time warnings about signed vs
10913 unsigned constants.
10915 2000-01-09 Philip Blundell <philb@gnu.org>
10917 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
10918 than `ldm' with only one register.
10919 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
10922 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
10925 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
10927 * config/ns32k/ns32k.md (load or push effective address): Operand 1
10930 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10932 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
10933 assignment used as truth value.
10935 * function.c (assign_temp): Mark parameter `dont_promote' with
10936 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
10937 PROMOTE_FOR_CALL_ONLY.
10939 * genrecog.c (write_subroutine): Mark variable `operands' with
10942 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
10945 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
10946 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
10948 * toplev.c (note_deferral_of_defined_inline_function): Likewise
10951 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10953 * config/c4x.h: Tidy up comments.
10954 * config/c4x.c: Likewise.
10956 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
10958 * fold-const.c (lshift_double, rshift_double): Handle
10959 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
10961 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10963 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
10964 in prepare_function_start().
10966 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
10968 * config/v850/v850.c (expand_epilogue): Interrupt functions no
10969 longer allocate extra stack for function calls.
10971 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10973 * config/c4x/c4x.md (*subqf3_set): Fix typo.
10975 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10977 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
10979 2000-01-07 David Edelsohn <edelsohn@gnu.org>
10981 * rs6000.c (processor_target_table): Add power3 as alias for 630.
10982 * aix43.h: Revert Aug 2 change.
10983 (HAS_INIT_SECTION): Define, not visible yet.
10984 (LD_INIT_SWITCH): Define, not visible yet.
10985 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
10987 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
10989 * collect2.c (main): Expand ld2 size further.
10990 (export_object_lst): Cast assignment to avoid warning.
10991 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
10992 (scan_prog_file, COFF): Do not collect initialization or
10993 finalization functions generated for entire shared object if
10994 init/fini support present.
10996 2000-01-07 Nick Clifton <nickc@cygnus.com>
10998 * config/elfos.h: Tidy up formatting of marcos. Make sure
10999 that .section directives are always prefixed by a tab.
11001 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11004 2000-01-07 Matt Austern <austern@sgi.com>
11006 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11009 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11011 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11013 (crtbegin.o, s-crtS): Likewise.
11015 2000-01-06 Richard Henderson <rth@cygnus.com>
11017 * alpha.md (adddi_2+1): Limit offset such that it will be
11018 loadable with a single ldah+lda pair.
11019 (adddi_2+2): Explicitly fail split if we can't make it work.
11021 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11023 * protoize.c: Conditionally include unistd.h.
11024 (IS_SAME_PATH_CHAR): New macro.
11025 (IS_SAME_PATH): New macro.
11026 (CPLUS_FILE_SUFFIX): New macro.
11027 (cplus_suffix): New static variable.
11028 (is_abspath): New static function.
11029 (in_system_include_dir): Handle DOS style pathnames.
11030 (file_could_be_converted): Likewise.
11031 (file_normally_convertible): Likewise.
11032 (directory_specified_p): Likewise.
11033 (file_excluded_p): Likewise.
11034 (abspath): Likewise.
11035 (shortpath): Likewise.
11036 (referenced_file_is_newer): Likewise.
11037 (save_def_or_dec): Likewise.
11038 (do_processing): Likewise.
11040 (edit_file): Likewise. Use rename instead of link.
11041 (rename_c_file): Likewise. Don't rename syscalls file.
11042 (munge_compile_params): Define null device for DOS based systems.
11043 (process_aux_info_file): Use binary mode if appliable.
11044 (edit_file): Likewise.
11045 * invoke.texi (Running Protoize): Document C++ suffixes used.
11047 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11048 IS_DIR_SEPARATOR macros.
11049 * collect2.c: Likewise.
11050 * cppinit.c: Likewise.
11051 * dwarf2out.c: Likewise.
11053 * gcov.c: Likewise.
11054 * prefix.c: Likewise.
11056 * toplev.c: Likewise.
11057 * system.h: And move to here.
11059 * prefix.c (update_path): Fix typo in variable name.
11061 2000-01-06 Richard Henderson <rth@cygnus.com>
11063 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11064 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11065 (count_reg_sets_1, count_reg_references): Likewise.
11066 (flow_loops_level_compute): Start counting actual loop depth at 1.
11067 (flow_loops_find): Likewise.
11068 * local-alloc.c (update_equiv_regs): Likewise.
11069 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11071 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11073 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11074 FIRST_PSEUDO_REGISTER
11075 * dwarf2out.c: Don't include frame.h
11076 * dwarfout.c: Likewise
11077 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11080 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11082 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11085 * i386.c (movsf splitter): Fix typo in my last checkin.
11087 2000-01-05 Nick Clifton <nickc@cygnus.com>
11089 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11090 own definition of this macro.
11091 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11092 flag_data_sections or UNIQUE_SECTION_P are true.
11094 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11095 unitialised data decls.
11097 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11098 being called for uninitialised data.
11100 * config/i386/interix.c (i386_pe_unique_section): Cope with
11101 being called for uninitialised data.
11103 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11104 for uninitialised data.
11106 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11107 for uninitialised data.
11109 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11110 for uninitialised data.
11112 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11113 (UNIQUE_SECTION_P): Always generate a unique section if
11114 flag_data_sections is true.
11115 (UNIQUE_SECTION): Also generate unique sections for
11116 uninitialised data.
11117 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11118 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11121 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11123 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11126 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11128 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11129 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11130 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11131 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11132 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11134 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11136 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11138 * c-decl.c (finish_enum): Simplify code to determine minimum and
11139 maximum values of the enum, and calculate the type. Remove check
11140 for FUNCTION_DECLs in the values list, which cannot happen. Replace
11141 the DECL_INITIAL of each enumeration constant with a copy converted
11142 to the enumeration type. When updating variant types, don't bother
11143 updating the type itself.
11145 * c-typeck.c (build_binary_op): Simplify conditional expressions
11146 when weeding out spurious signed-unsigned warnings. Add new
11147 spurious warning category: if the unsigned quantity is an enum
11148 and its maximum value fits in signed_type(result_type). Update
11150 (build_conditional_expr): Warn here if one alternative is signed
11151 and the other is unsigned.
11153 2000-01-05 Nick Clifton <nickc@cygnus.com>
11155 * config/fr30/fr30.h: Remove extraneous comments.
11157 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
11159 * reload1.c (choose_reload_regs): When disabling a reload, also
11160 set reload_spill_index to -1.
11162 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11164 * configure.in (m68*-*-rtemscoff*): New target, formal name for
11166 (m68*-*-rtemself*): New target.
11167 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
11168 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
11169 (sparc*-*-rtemself*): New target.
11170 (sparc*-*-rtems*): Now elf not a.out.
11171 * config/i386/rtems.h: Include config/rtems.h.
11172 * config/i386/rtemself.h: Include config/rtems.h.
11173 * config/i960/rtems.h: Include config/rtems.h.
11174 * config/m68k/rtems.h: Include config/rtems.h.
11175 * config/m68k/rtemself.h: Include config/rtems.h.
11176 * config/mips/rtems64.h: Include config/rtems.h.
11177 * config/pa/rtems.h: Include config/rtems.h.
11178 * config/rs6000/rtems.h: Include config/rtems.h.
11179 * config/sh/rtems.h: Include config/rtems.h.
11180 * config/sh/rtemself.h: Include config/rtems.h.
11181 * config/sparc/rtems.h: Include config/rtems.h.
11182 * config/sparc/rtemself.h: Include config/rtems.h
11184 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
11186 * final.c (shorten_branches): Correctly compute length of
11187 asms without operands.
11189 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
11191 * configure.in: Add pj target.
11192 * configure: Regenerate.
11193 * config/pj: New directory.
11194 * config/pj/lib1funcs.S: New file.
11195 * config/pj/linux.h: New file.
11196 * config/pj/pj.c: New file.
11197 * config/pj/pj.md: New file.
11198 * config/pj/pjl.h: New file.
11199 * config/pj/t-pj: New file.
11200 * config/pj/xm-pj.h: New file
11202 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
11204 * toplev.c (rest_of_compilation): Run shorten-branches before
11207 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11209 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
11210 macros so that they're consistent with their names.
11211 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11212 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
11214 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11216 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
11217 modified inadvertently.
11219 2000-01-04 Joel Sherrill <joel@OARcorp.com>
11221 * configure.in (v850*-*-rtems*): New target.
11222 * configure: Regenerate.
11223 * config/v850/rtems.h: New file.
11225 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
11227 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
11228 (__gthread_key_create): Likewise.
11229 (__gthread_key_dtor): Likewise.
11230 (__gthread_once): Fix logic.
11231 (__gthread_key_delete): Cast away constness.
11233 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
11234 * invoke.texi: Document.
11235 * i386/mingw32.h (CPP_SPEC): Use.
11236 (LIBGCC_SPEC): Likewise.
11237 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
11239 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11241 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
11242 (HANDLE_PRAGMA_PACK): Undefine.
11243 (SLOW_UNALIGNED_ACCESS): Define.
11245 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11247 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11248 to default definition.
11249 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
11250 (store_fixed_bit_field): Call macro with word_mode and alignment.
11251 (extract_bit_field): Call macro with relevant mode and alignment.
11252 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
11253 to default definition.
11254 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
11256 (move_by_pieces_ninsns): Likewise.
11257 (clear_by_pieces): Likewise.
11258 (emit_push_insn): Likewise.
11259 (store_field): Call macro with relevant mode and alignment.
11260 (expand_expr): Likewise.
11261 (expand_expr_unaligned): Likewise.
11263 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11264 (SLOW_UNALIGNED_ACCESS): Define.
11265 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11266 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11267 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11268 (toc_section): Likewise and .toc pseudo-op.
11269 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11271 (TEXT_SECTION_ASM_OP): Likewise.
11272 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11275 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
11276 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
11277 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
11278 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
11279 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
11281 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
11283 * regclass.c: Revert my Jan 4 change to loop cost computation.
11285 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11287 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
11290 2000-01-04 Stan Cox <scox@cygnus.com>
11292 * haifa-sched.c (build_control_flow): Change unreachable simple
11293 loop test to check if current block has only one predecessor.
11294 (find_rgns): Initialize degree. Use dest as degree index, not src.
11296 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11298 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
11300 * calls.c (expand_call): Likewise for
11301 `old_stack_arg_under_construction'.
11303 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
11305 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
11308 * gcc.c (execute): Likewise for `ut' and `st'.
11310 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
11312 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
11314 * jump.c (jump_optimize_1): Likewise for `temp2'.
11316 * local-alloc.c (block_alloc): Likewise for `r1'.
11318 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
11320 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
11321 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
11323 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
11326 * reload.c (find_reloads): Likewise for `goal_alternative_number'
11327 and `goal_earlyclobber'.
11329 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
11331 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
11333 * stupid.c (stupid_life_analysis): Likewise for `chain'.
11335 * unroll.c (copy_loop_body): Likewise for `copy'.
11337 * varasm.c (output_constructor): Likewise for `byte'.
11339 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11341 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
11342 all FP constants for constant->reg moves.
11343 (ix86_split_to_parts): Try to convert memory address into immediate
11344 when available in the constant pool.
11345 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
11347 (LEGITIMATE_CONSTANT_P): Return 1.
11348 * i386.md (pushsf): New splitter to convert constant pool memory
11349 reference to immediate.
11350 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
11353 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
11355 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
11356 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
11357 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
11358 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
11359 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
11361 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
11363 * ginclude/stdbool.h: Support compilation as C++.
11365 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11367 * fold-const.c (make_range): Don't try to reverse an unbounded range.
11369 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
11371 * regclass.c (regclass): Properly compute loop_cost. Adjust
11374 * regclass.c: Fix minor whitespace problems.
11376 2000-01-03 Anthony Green <green@cygnus.com>
11378 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
11379 Restore the pic register if required.
11381 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
11383 * c-common.c (format_char_info): Update comment.
11384 (check_format_info): Recognize 'z' modifier in the same way 'Z'
11385 was recognized. Emit warning for formats new in ISO C99 only
11386 if flag_isoc9x is not set.
11388 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
11390 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
11392 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
11394 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
11395 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
11396 (make_compound_operation): Choose cheaper alternative between
11397 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
11399 * regclass.c (op_costs): Remove global variable.
11400 (record_reg_classes): New parameter "op_costs" and "reg_pref".
11401 (record_operand_costs): Break out from ...
11402 (scan_one_insn): ... here.
11403 (dump_regclass): Make dumps nicer.
11404 (regclass): Dump preferrences choosed and changes done during passes.
11406 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11408 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
11410 2000-01-03 Jakub Jelinek <jakub@redhat.com>
11412 * config/sparc/sparc.c (gen_df_reg): New function.
11413 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
11414 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
11415 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
11416 movtf_cc_reg_sp64+1): Use it.
11418 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11420 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
11421 copied LABEL_DECLs.
11423 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
11425 * config/i386/i386.c (ix86_expand_unary_operator): Function
11426 definition made void.
11427 (ix86_expand_binary_operator): Update outdated preceding comment.
11428 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
11431 * config/i386/i386.c (override_options): Fix option-name typo.
11433 2000-01-02 Mark Mitchell <mark@codesourcery.com>
11435 * system.h (CEIL): Define.
11436 * builtins.c (CEIL): Remove.
11437 * expmed.c (CEIL): Likewise.
11438 * expr.c (CEIL): Likewise.
11439 * stor-layout.c (CEIL): Likewise.
11441 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11443 * expr.c (store_constructor_field): Fix typo introduced with last
11446 2000-01-01 Mark Mitchell <mark@codesourcery.com>
11448 * tree.h (BINFO_N_BASETYPES): New macro.
11450 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
11452 * expmed.c (emit_store_flag): Prevent losing a pending stack
11453 adjust the same way we prevent losing queued increments.
11455 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11457 * function.c (update_temp_slot_address): Handle case where sum of
11458 temporary address plus offset in register is a valid address.
11460 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11462 * genrecog.c (change_state) Corrected typo.
11464 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11466 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
11467 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
11468 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
11470 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
11472 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
11473 case, expand GT comparisons correctly. Fix a comment before this
11476 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11478 * dwarfout.c: Include "frame.h"
11479 * dwarf2out.c: Likewise.
11480 * Makefile.in (dwarfout.o): Depend on frame.h
11481 (dwarf2out.o): Likewise.
11483 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
11485 Restore i386 binary compatibility in Dwarf EH info.
11486 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
11487 value of FIRST_PSEUDO_REGISTER.
11488 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
11489 (struct frame_state): Use DWARF_FRAME_REGISTERS.
11490 * dwarfout.c (output_reg_number): Ditto.
11491 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
11492 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
11494 1999-12-29 Bruce Korb <autogen@linuxbox.com>
11496 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
11497 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
11498 (<hack>_RE_CT): not needed
11499 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
11500 rewritten to scan the file text once only
11501 "template<..." test added
11502 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11503 (is_cxx_header): declaration added
11504 * fixinc/fixtests.c(is_cxx_header): removed
11505 (apply_fix_p_t): removed
11506 (double_slash_test): is_cxx_header is only called once now
11507 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
11508 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
11509 within the templates.
11510 The borken spelling of "broken" was fixed.
11511 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
11512 The default level depends on FIXINC_DEBUG.
11514 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11516 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
11517 Otherwise provide a declaration for atexit.
11518 (init_dummy): Make sure dummy call to atexit is nevertheless
11519 called with correct number of args.
11521 * frame.c: Update comments referring to other files.
11523 * libgcc2.c: Likewise.
11525 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11527 * cse.c (free_element, get_element): Remove unused prototypes.
11529 * fold-const.c (extract_muldiv): Initialize variables `op0' and
11532 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
11535 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
11537 * configure.in,configure: case arm for mn10200-*-* now sets
11538 float_format=i32 so that float.h will correctly claim "double"
11539 to be 32 bits. Ran autoconf to generate configure from .in file.
11541 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
11543 * pa.md (conditional zero): If op1 is a register, force it into
11544 the same register as op0.
11546 1999-12-28 Mark Mitchell <mark@codesourcery.com>
11548 * tree.h (BINFO_BASETYPES): Improve documentation.
11550 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11552 * configure.in (--enable-checking): Use a more portable `for'
11555 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11557 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
11558 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
11560 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
11563 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
11564 Delete descriptions.
11566 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
11567 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
11568 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
11569 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
11570 xm-svr4.h: Remove all instances of sys_siglist handling.
11572 1999-12-27 Jakub Jelinek <jakub@redhat.com>
11574 * config/sparc/sparc.md (cmp_zero_qi,
11575 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
11576 cmp_zero_extendqidi2_andcc_set): New patterns.
11578 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
11580 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
11581 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
11582 (fpgnulib.c, xfgnulib.c): Add rules.
11583 * m68k/t-mot3300-gas: Likewise.
11585 1999-12-27 Ian Lance Taylor <ian@zembu.com>
11587 * configure.in: Avoid [[ by using test and changequote. Add
11588 changequote required by 1999-12-14 change.
11589 * configure: Rebuild.
11591 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
11593 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
11595 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
11597 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
11598 * flow.c (find_use_as_address): Likewise.
11599 * function.c (fixup_var_refs_1): Likewise.
11600 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
11601 * jump.c (invert_exp, redirect_exp): Likewise.
11602 * loop.c (replace_call_address): Likewise.
11603 (count_nonfixed_reads): Likewise.
11604 * rtlanal.c (modified_between_p): Likewise.
11605 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
11606 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
11607 * unroll.c (remap_split_bivs): Likewise.
11609 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11611 * diagnostic.c (v_message_with_decl): Use .* format specifier
11612 instead of building the format specifier width manually.
11614 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
11615 determining whether to provide a prototype. Remove the
11616 sys_siglist clause in the conditional.
11618 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11620 * fold-const.c (operand_equal_p): Use memcmp to compare string
11622 Suggested by D. J. Bernstein
11624 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11626 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
11627 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11629 * config/mips/mips.h (TARGET_64BIT): Likewise.
11630 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
11631 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
11632 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
11633 dsps. Give routines proper names if SI/DI modes are not used.
11634 * longlong.h: Use DWunion instead of DIunion.
11636 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
11638 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
11639 GC_CHECKING, GC_ALWAYS_COLLECT.
11640 * configure.in: Allow --enable-checking with an argument
11641 listing check modes to enable.
11642 * config.in, configure: Rebuilt.
11643 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
11644 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
11645 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
11646 ENABLE_GC_ALWAYS_COLLECT.
11647 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
11649 * tree.h, tree.c: Change ENABLE_CHECKING to
11650 ENABLE_TREE_CHECKING throughout.
11652 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11654 * fold-const.c (fold_truthop): Properly check for FP RHS.
11656 1999-12-24 Mark Mitchell <mark@codesourcery.com>
11658 * toplev.h (note_deferall_of_defined_inline_function): Declare.
11659 * toplev.c (note_deferral_of_defined_inline_function): New
11660 function, split out from ...
11661 (rest_of_compilation): ... here. Use it.
11663 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11665 * expr.c (store_constructor): Don't call clear_storage if size is
11668 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11670 * Makefile.in (toplev.o): Depend on loop.h.
11672 * dwarfout.c: Include tm_p.h.
11674 * emit-rtl.c (restore_emit_status): Mark parameter with
11677 * final.c (final_scan_insn): Likewise.
11679 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
11680 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
11681 flow_depth_first_order_compute, flow_loop_pre_header_find,
11682 flow_loop_tree_node_add, flow_loops_tree_build,
11683 flow_loop_level_compute, flow_loops_level_compute,
11684 flow_loop_outside_edge_p): Add prototypes.
11685 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
11687 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
11688 Mark with ATTRIBUTE_NORETURN.
11690 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
11692 * local-alloc.c (no_conflict_p): Likewise.
11694 * loop.c (insert_bct): Hide definitions of variables with hidden
11696 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
11698 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
11699 with ATTRIBUTE_UNUSED.
11700 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
11701 (reg_scan): Likewise.
11703 * reload.c (find_reloads): Remove unused variables `changed'.
11705 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
11707 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
11708 Remove unused variable `insn'.
11710 * toplev.c: Include loop.h.
11711 (report_file_and_line): Remove unnecessary prototype.
11713 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
11715 * unroll.c (biv_total_increment): Likewise.
11717 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11719 * reload1.c (emit_input_reload_insns): Restore old behaviour
11720 wrt. 'special' reloads.
11722 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
11724 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
11725 hash.h. (cse.c): Don't depend on hashtab.h.
11727 * cse.c: Don't include hashtab.h.
11728 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
11730 * ggc-simple.c: Don't include hash.h.
11732 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
11734 * dwarf2out.c (add_abstract_origin_attribute): Call
11735 gen_abstract_function on our function context.
11737 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
11739 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
11741 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11743 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
11746 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11748 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
11749 constraints to "a!r".
11751 1999-12-21 Mark Mitchell <mark@codesourcery.com>
11753 * Makefile.in (calls.o): Depend on function.h.
11754 (alias.o): Likewise.
11756 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
11758 * reload1.c (emit_reload_insns): Break out code and variables into...
11759 (input_reload_insns, other_input_address_reload_insns,
11760 other_input_reload_insns, input_address_reload_insns,
11761 inpaddr_address_reload_insns, output_reload_insns,
11762 output_address_reload_insns, outaddr_address_reload_insns,
11763 operand_reload_insns, other_operand_reload_insns,
11764 other_output_reload_insns): ... new static variables, and...
11765 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
11766 do_output_reload): ... new functions.
11768 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11770 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
11772 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11774 * md.texi: Add c4x constraints documentation.
11776 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11778 * config/i386/dgux.c (struct option): Rename to
11779 lang_independent_option.
11780 (struct m_options): Add description field.
11781 (output_options): Rename option type, add sep declaration, output
11782 ix86_cpu_string and ix86_arch_string only if set.
11783 (output_file_start): Rename option type.
11785 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
11787 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
11789 (libgcc2.a): Similarly.
11791 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
11793 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
11794 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
11795 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
11797 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
11799 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
11800 Remove redundant initialization of "frexpon" and "expon".
11802 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11804 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
11806 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
11807 (store_constructor_field, expand_expr): Pass new arg.
11809 1999-12-20 Mark Mitchell <mark@codesourcery.com>
11811 * Makefile.in (explow.o): Depend on function.h.
11813 * stor-layout.c (set_sizetype): Fix typo.
11815 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
11817 * function.c (cfun): Renamed from current_function. All users
11819 * function.h (cfun): Rename declaration as well.
11821 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
11822 to be of type regset_head, not regset. All users changed by adding
11824 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
11826 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11828 * config/c4x/rtems.h: New file.
11830 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
11832 * reload1.c (spill_failure): Take class of failed reload as argument
11833 and print it. Caller changed.
11835 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11837 * rs6000.h (SUBTARGET_DEFAULT): New macro.
11838 (TARGET_SWITCHES): Allow subtargets to default switches.
11839 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
11841 1999-12-18 Mark Mitchell <mark@codesourcery.com>
11843 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
11846 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
11848 * cccp.c (main): Define __STDC_VERSION__ as necessary.
11849 * cppinit.c (cpp_handle_option): Likewise.
11851 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
11852 determine when to define.
11854 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
11856 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
11857 cmove with mismatched test and data modes.
11859 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
11861 * c-typeck.c (c_expand_start_case): Don't warn for long switch
11864 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11866 * alias.c: Minor reformatting.
11867 * flow.c: Likewise.
11868 * regs.h: Likewise.
11869 * stor-layout.c: Likewise.
11870 * fold-const.c: Likewise.
11871 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
11872 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
11874 (size_int_wide): Cache nodes even if garbage collecting.
11875 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
11876 of SAVE_EXPR has no side effects.
11877 * cse.c: Move a comment.
11878 * tree.c: Minor reformatting.
11879 (int_size_in_bytes): Return -1 if constant overflows.
11881 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11883 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
11885 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
11887 * objc/objc-parse.c: Regenerate. This file must be rebuilt
11888 after any change to c-parse.in, even if objc-parse.y didn't
11891 1999-12-18 David S. Miller <davem@redhat.com>
11893 * toplev.c (rest_of_compilation): Restore BLOCK tree
11894 reconstruction and branch shortening changes lost in
11895 December 18th change.
11897 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
11899 * config/arm/linux-elf.h: Change all instances of
11900 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
11901 * config/arm/uclinux-elf.h: Likewise.
11903 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
11905 * toplev.c (notice, vmessage, v_message_with_file_and_line,
11906 v_message_with_decl, file_and_line_for_asm,
11907 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
11908 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
11909 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
11910 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
11911 pfatal_with_name, fatal_io_error, need_error_newline,
11912 last_error_function, last_error_tick, announce_function,
11913 default_print_error_function, print_error_function,
11914 report_error_function, fnotice, error_with_file_and_line,
11915 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
11916 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
11917 warning_with_decl, warning_for_asm, warning, pedwarn,
11918 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
11920 (compile_file): Use fnotice instead of notice. Adjust call.
11922 * diagnostic.c: New file.
11924 * Makefile.in (OBJS): Include diagnostic.o
11925 (diagnostic.o): Define dependence.
11927 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11929 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
11932 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11934 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
11936 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11938 * fixtests.c (is_cxx_header): New fn, split out of
11940 (else_endif_label): Allow "#endif // comment" in C++ headers,
11941 as determined by is_cxx_header.
11942 * fixfixes.c (else_endif_label_fix): Update comment.
11943 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
11945 * genfixes: Correct double thinko in commandline parsing.
11946 * hackshell.tpl: Generate correct sh syntax for bypass
11949 * inclhack.def (all): Whenever an inserted preprocessor
11950 conditional is split over multiple lines, use double
11951 backslashes in this file so the fixed header will be readable.
11953 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
11954 and add bypass entry for correct version of this header.
11955 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
11956 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
11958 (hpux8_bogus_inlines): New fix, split from...
11959 (ultrix_atof_param) ... here.
11960 (math_expression): Add bypass entry keyed to glibc comment
11961 indicating the problem has been dealt with; disable
11962 unnecessary sed operations; update commentary.
11963 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
11964 add select and bypass entries, simplify shell operation.
11965 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
11967 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
11968 ultrix_atof_param): Add select entry.
11969 (stdio_va_list, sunos_mather_decl): Add bypass entry.
11970 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
11971 comments with the fixes they describe.
11973 * c-parse.in (string action): Do not warn about ANSI string
11974 concatenation in system headers. Affects C parser only.
11975 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
11977 1999-12-16 Jakub Jelinek <jakub@redhat.com>
11979 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
11980 compiling libgcc2 the macro depends always on arch cpp defines.
11982 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
11984 * loop.c (insert_loop_mem): Don't record MEMs from inside
11987 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
11989 * regclass.c (regclass): Do not use flowgraph when not optimizing.
11991 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
11992 notes too, create one when replacement failed, attempt to simplify
11994 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
11995 or REG_EQUIV notes.
11997 1999-12-16 Mark Mitchell <mark@codesourcery.com>
11999 * crtstuff.c (__dso_handle): Declare.
12000 (__cxa_finalize): Likewise.
12001 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12004 * invoke.texi: Document -fuse-cxa-atexit.
12006 * tree.h (ptr_type_node): Document.
12007 (const_ptr_type_node): Likewise.
12009 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12011 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12012 (optimize_reg_copy_2): Likewise.
12013 (optimize_reg_copy_3): Likewise.
12014 (fixup_match_2): Likewise.
12015 (regmove_optimize): Likewise.
12016 (fixup_match_1): Liekwise.
12018 * i386.md (HI to SImode promoting splitters): Rewrite.
12019 (pushsf mem peep2): New.
12020 (testhi to andhi peep2): Remove.
12021 * i386.h (x86_promote_QImode): New.
12022 (TARGET_PROMOTE_QImode): New.
12023 (PREDICATE_CODES): Add promotable_binary_operator.
12024 * i386.c (x86_promote_QImode0: New.
12025 (promotable_binary_operator): New.
12026 * i386-protos.h (promotable_binary_operator): New.
12028 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12030 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12032 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12034 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12035 * function.c (insert_block_after_note): Remove.
12036 (retrofit_block): Likewise.
12037 (identify_blocks): Fix indentation.
12038 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12039 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12040 * function.h (insert_block_after_note): Remove prototype.
12041 (retrofit_block): Likewise.
12042 * integrate.c (expand_inline_function): Don't call
12043 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12044 just expand_start_bindings. Use the block_map to remap old
12045 NOTE_BLOCKs to new ones.
12046 (integrate_decl_tree): Keep track of remapped blocks.
12047 * integrate.h (struct inline_remap): Add block_map.
12048 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12049 NOTE_BLOCK on the notes.
12050 (expand_start_bindings): Rename to ...
12051 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12052 (expand_end_bindings): Set NOTE_BLOCK.
12053 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12054 reconstruct the BLOCK tree.
12055 * tree.h (expand_start_bindings): Macroize. Call ...
12056 (expand_start_bindings_and_block): New function.
12058 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12060 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12061 to match the format.
12063 1999-12-16 David S. Miller <davem@redhat.com>
12065 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12066 the outputs is a SUBREG.
12067 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12070 * config/sparc/sparc.c (epilogue_renumber): Add default case
12073 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12075 * toplev.c (rest_of_compilation): Run branch shortening after
12078 * regclass.c (loop_depth): Remove
12079 (scan_one_insn): Do not handle LOOP_NOTE insns.
12080 (regclass): Go through basic blocks and set loop_cost
12082 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12084 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12086 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12088 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12089 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12090 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12092 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12094 * loop.c (insert_loop_mem): Ignore memory clobbers.
12096 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12099 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12101 * profile.c: Remove redundant #include "output.h".
12103 * h8300.md (HImode preinc peephole): Fix typo.
12105 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12107 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12108 (insert_block_after_note): Abort if we don't have a previous block.
12109 Remove FN parameter.
12110 * function.h: Adjust.
12112 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12114 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12115 argument more than once.
12117 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12119 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12121 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12123 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12125 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12127 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12128 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12129 update stack_alignment_needed.
12130 (prepare_function_start): Initialize stack_alignment_needed
12131 * function.h (struct function): Add field stack_alignment_needed.
12133 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12135 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12136 Handle live_throughout / dead_or_set instead of live_before /
12138 (save_call_clobbered_regs): Get register livenessinformation from
12139 chain->live_throughout.
12140 (add_stored_regs): New function.
12141 (insert_restore, insert_save): Add restored / saved registers to
12143 * global.c (reg_dies): New parameter chain.
12144 (reg_becomes_live): Third parameter is regs_set now.
12145 Changed all callers.
12146 (reg_dies): New parameter chain. Changed all callers.
12147 (build_insn_chain): Set live_throughout instead of
12148 live_before / live_after.
12149 * reload.h (struct insn_chain): Replace members live_before /
12150 live_after with live_throughout / dead_or_set.
12151 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
12152 instead of live_before / live_after.
12153 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
12154 (order_regs_for_reload, find_reg, finish_spills): Likewise.
12155 (choose_reload_regs_init): Likewise.
12156 * stupid.c (current_chain, find_clobbered_regs): Delete.
12157 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
12158 instead of chain->live_before / chain->live_after.
12159 (mark_hard_ref): New function.
12160 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
12162 1999-12-15 David S. Miller <davem@redhat.com>
12164 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
12166 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12168 * flow.c (calculate_loop_depth): Make global, remove prototype,
12169 rewrite to use new loop infrastructure.
12170 (find_basic_block): Remove calculate_loop_depth call.
12171 * toplev.c (rest_of_compilation): Call find_basic_block.
12172 * output.h (calculate_loop_depth): Declare.
12174 * flow.c (dump_flow_info): Dump loop_depth.
12175 (flow_loops_nodes_find): Increase loop_depth for basic block in the
12177 (flow_loops_find): Initialize the loop_depth for each basic block.
12179 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12181 * tree.c (decl_function_context): Handle virtual functions.
12183 * tlink.c (scan_linker_output): Don't look in demangled name when
12184 looking for linker output keywords.
12186 * dwarfout.c (output_type): We can defer namespace-scope classes.
12188 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
12190 * regclass.c (record_reg_classes): Update comment for merging
12191 register class preferences in reg->reg copies. Tighten conditions
12192 for merging register class preferences in reg->reg copies.
12194 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
12196 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
12198 1999-12-14 Geoff Keating <geoffk@cygnus.com>
12200 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
12201 (INIT_SECTION_ASM_OP): Delete.
12202 (FINI_SECTION_ASM_OP): Delete.
12203 (STARTFILE_SPEC): Define to hold just crtbegin.o.
12205 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
12207 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
12208 the abstract origin wasn't emitted.
12210 * dwarf2out.c (class_scope_p): New fn.
12211 (gen_subprogram_die): Use it.
12212 (gen_variable_die): Use it. Tweak logic.
12213 (gen_struct_or_union_type_die): Check context_die to determine
12214 if we're function-local.
12215 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
12217 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12219 * loop.c (check_dbra_loop): Can't reverse a biv that has
12220 maybe_multiple set.
12222 1999-12-14 Nick Clifton <nickc@cygnus.com>
12224 * config/arm/arm.c: Add support for -mcpu=arm720 command line
12227 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12229 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
12230 for givs made from biv increments.
12232 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
12234 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
12235 * alpha.c (override_options): Recognize -mcpu=ev67.
12236 * alpha.h (CPP_CPU_EV67_SPEC): New.
12237 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
12238 (EXTRA_SPECS): Update.
12240 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
12242 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
12243 appropriate for -lang-c89 and -std=*.
12244 * cppinit.c (cpp_handle_option): Likewise.
12245 (new_pending_define): New, split out from cpp_handle_option.
12246 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
12247 or enable trigraphs for -ansi/-std=*.
12249 * ginclude/stdarg.h (__va_copy): New.
12250 (va_copy): Don't define for C89.
12252 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
12254 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
12255 for long long multiply-accumulate.
12257 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12259 * regclass.c (scan_one_insn): Set loop_cost to 1 when
12260 optimizing for size.
12262 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12264 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
12265 if something changed. Back out that part of yesterday's changes.
12267 * loop.c (loop_max_reg): New static variable.
12268 (loop_optimize): Initialize it. Eliminate one unnecessary call to
12270 (scan_loop): Call reg_scan_update whenever we may have added new
12271 registers, and update loop_max_reg.
12273 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12275 * regclass.c (record_reg_classes): Do not do the copying preferrencing
12276 when source does not die.
12278 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
12280 1999-12-14 Jakub Jelinek <jakub@redhat.com>
12282 * config/sparc/linux64.h (TARGET_LIVE_G0,
12283 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
12285 * config/sparc/linux.h (TARGET_LIVE_G0,
12286 TARGET_BROKEN_SAVERESTORE): Likewise.
12287 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12288 TARGET_BROKEN_SAVERESTORE): Likewise.
12290 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
12291 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
12293 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
12294 as sparc64 block profiling register.
12295 * config/sparc/sparc.c (sparc_override_options): Allow block
12296 profiling with -m32.
12297 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
12298 profiling register.
12299 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
12300 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
12301 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
12303 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
12305 * config/sparc/sparc.h: Likewise.
12306 * config/sparc/xm-sysv4-64.h: Likewise.
12307 * config/float-sparc.h: Likewise.
12308 * glimits.h: Likewise.
12309 * longlong.h: Likewise.
12311 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
12312 (ASM_IDENTIFY_GCC): Remove.
12314 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
12316 * combine.c (combine_simplify_rtx): Don't make shared rtl.
12317 (simplify_logical): Likewise.
12319 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12321 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
12322 * cppfiles.c (INO_T_EQ): Likewise.
12324 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
12326 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
12327 * i386/mingw32.h (LIB_SPEC): Likewise.
12328 (STARTFILE_SPEC): Likewise.
12329 * i386/uwin.h (LIB_SPEC): Likewise.
12330 (STARTFILE_SPEC): Likewise.
12332 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
12333 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
12335 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
12337 * combine.c (combine_simplify_rtx): Fix order of checks for
12338 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
12340 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
12342 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
12343 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
12345 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12347 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
12349 * regclass.c (inv_reg_alloc_order): New array.
12350 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
12352 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
12353 counted_for_groups, counted_for_nongroups. Add fields rld and
12355 * reload.c (push_secondary_reload): Don't set nongroup field of
12357 (push_reload): Likewise.
12358 (find_reloads): Delete code to compute nongroup fields.
12359 * reload1.c (reload_insn_firstobj): New static variable.
12360 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
12362 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
12363 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
12364 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
12366 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
12368 (struct hard_reg_n_uses): Deleted.
12369 (potential_reload_regs): Deleted.
12370 (init_reload): Initialize spilled_pseudos and pseudos_counted.
12371 (reload): Don't try to allocate reload registers if we already know
12372 we have to make another pass. Call select_reload_regs. Free memory
12373 starting with reload_firstobj when starting another pass.
12374 Don't allocate spilled_pseudos.
12375 (calculate_needs_all_insns): Call copy_reloads for an insn that
12376 needs reloads; don't call calculate_needs.
12377 (spill_cost): New static array.
12378 (used_spill_regs_local): New static variable.
12379 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
12380 to compute potential_reload_regs.
12381 (find_reload_regs): Completely rewritten to use find_reg.
12382 (allocate_reload_reg): Don't test counted_for_groups or
12383 counted_for_nongroups. Lose NOERROR arg and code to give an error;
12384 all cllers changed.
12385 (choose_reload_regs): Add fallback code that uses the existing
12386 register allocation from find_reload_regs.
12388 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
12390 * flow.c (create_edge_list): Cast xmalloc return value.
12392 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
12394 * doprnt.c: Remove incorrect comment closure.
12396 * cse.c: Fix a few minor whitespace goofs.
12398 1999-12-13 Don Bowman <don@pixstream.com>
12400 * mips/vxworks.h: Fix problem with comment termination.
12401 (EXTRA_SECTIONS): Add in_sbss.
12402 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
12404 1999-12-12 David S. Miller <davem@redhat.com>
12406 * cse.c (struct cse_reg_info): Add hash_next member,
12407 reorder rest of struct for better packing on 64-bit
12409 (cse_reg_info_tree): Kill.
12410 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
12411 REGHASH_FN): New custom pow2 hash mechanism.
12413 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
12414 use a pow2 hash table.
12415 (get_cse_reg_info): Rework to use new REGHASH.
12416 (new_basic_block): Likewise, use HASH_SIZE, and inline
12418 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
12419 and inline free_element call.
12420 (lookup_as_function, insert, flush_hash_table, invalidate,
12421 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
12422 invalidate_for_call, use_related_value, find_comparison_args,
12423 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
12424 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
12425 get_element): Kill.
12427 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
12429 * cse.c (cse_basic_block): Free qty_table consistently.
12431 1999-12-12 David S. Miller <davem@redhat.com>
12432 Jakub Jelinek <jakub@redhat.com>
12434 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
12435 SUBREGs by hand, gen the appropriate hard reg directly.
12436 (movtf reg/mem split): Likewise and alter_subreg on destination
12438 (movtf mem/reg split): Similarly.
12439 (movdf_cc_sp64): Rename from hidden pattern.
12440 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
12441 (movtf_cc_sp64, following split): New pattern and splitter.
12442 (movdf_cc_reg_sp64): Rename from hidden pattern.
12443 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
12445 (movtf_cc_reg_sp64, following split): New pattern and splitter.
12447 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
12449 * loop.c (load_mems): Don't hoist written floating point mem
12452 1999-12-12 Mark Mitchell <mark@codesourcery.com>
12454 * except.h (struct eh_queue): Add `next' pointer.
12455 (struct eh_status): Make x_ehqueue a pointer.
12456 (push_ehqueue): Declare.
12457 (pop_ehqueue): Likewise.
12458 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
12460 (expand_fixup_region_end): Likewise.
12461 (expand_leftover_cleanups): Likewise.
12462 (push_ehqueue): Define.
12463 (pop_ehqueue): Likewise.
12464 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
12465 than doing it inline.
12466 (expand_start_all_catch): Adjust now that ehqueue is a
12468 (mark_eh_queue): Mark all level of the queue.
12469 (mark_eh_status): Adjust now that ehqueue is a
12471 (init_eh_for_function): Allocate ehqueue.
12472 (free_eh_status): Free it.
12473 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
12474 expansion for a fixup.
12476 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12478 * gthr-single.h (__gthread_active_p): Add prototype arguments.
12480 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
12481 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
12482 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
12483 function_ptr, getpagesize, __enable_execute_stack,
12484 __enable_execute_stack, __clear_insn_cache,
12485 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
12486 _cleanup, _exit, __default_terminate, __terminate_func,
12487 __terminate, __empty, __throw, new_eh_context,
12488 eh_context_initialize, eh_context_static, eh_context_specific,
12489 get_eh_context, __get_eh_context, __get_eh_info,
12490 init_reg_size_table, eh_threads_initialize,
12491 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
12492 __unwinding_cleanup, throw_helper, __throw, __rethrow,
12493 __pure_virtual): Add prototype arguments.
12494 (__bb_exit_func): Cast a sizeof to long when comparing against one.
12495 Cast a signed value to unsigned long when comparing against one.
12496 (new_eh_context): Wrap in _GTHREADS macro.
12497 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
12499 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
12500 (throw_helper): Initialize variables `handler_p' and `pc_p'.
12502 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12504 * combine.c (record_promoted_value): Remove unused variable
12507 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
12509 * global.c (record_conflicts): Likewise for `j'.
12511 * genoutput.c (output_insn_data): Don't unnecessarily cast away
12514 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12516 * i386-protos.h (output_387_binary_op, output_fix_trunc,
12517 output_fp_compare): Constify a char*.
12519 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
12521 (override_options, ix86_comp_type_attributes, print_operand,
12522 output_387_binary_op, output_fix_trunc, output_fp_compare):
12524 (ix86_sched_reorder): Mark parameter `clock_var' with
12527 * i386.h (DEBUG_PRINT_REG): Constify a char*.
12529 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
12531 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
12532 operand, for use in the Java front-end.
12534 1999-12-10 Ben Collins <bcollins@debian.org>
12536 * configure.in: Fix typo for "-64" in 64bit as check.
12537 * configure: Rebuilt.
12539 1999-12-10 Jakub Jelinek <jakub@redhat.com>
12541 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
12544 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12546 * c-parse.in (string): With -Wtraditional, warn if ANSI string
12547 concatenation is utilized.
12549 * invoke.texi (-Wtraditional): Document it.
12551 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12553 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
12554 Cast a ptrdiff_t to long and pass it to printf with %ld.
12556 1999-12-10 Geoff Keating <geoffk@cygnus.com>
12558 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
12559 68881, we have no 68881 registers at all.
12560 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
12561 value in a 68881 register if it is available.
12563 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
12565 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
12566 for long long multiply-accumulate.
12568 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
12570 * loop.c (insert_loop_mem): Undo last change.
12572 1999-12-10 David S. Miller <davem@redhat.com>
12574 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
12576 * config/sparc/sparc-protos.h: Add them.
12577 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
12578 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
12579 constraints which use those helpers.
12580 (EXTRA_CONSTRAINT): Use this new macro.
12581 * md.texi: Update sparc target constraints documentation.
12582 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
12583 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
12584 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
12585 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
12586 (movsf high/lo_sum split): Rework for new patterns.
12587 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
12589 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12591 * c-common.c (c_common_nodes_and_builtins):
12592 Create __builtin_ptrdiff_t and __builtin_size_t.
12594 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
12596 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
12598 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12600 * regclass.c (globalize_reg): Re-instate test that allows
12601 fixed registers to be declared as a variable even after functions
12604 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12606 * i386.md (cpu attribute): Add "athlon".
12607 (athlon_decode): New attribute.
12608 (Athlon scheduling units definitions): New.
12609 (fcmp and shld patterns): Set athlon_decode to "vector".
12610 * i386.c (athlon_cost): New.
12612 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
12613 x86_use_sahf): Set for Athlon.
12614 (x86_use_fiop): Unset for Athlon.
12615 (override_options): Define Athlon alignments and "athlon" name.
12616 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
12617 * i386.h (TARGET_ATHLON): New.
12618 (enum processor_type): Add PROCESSOR_ATHLON.
12619 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
12621 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
12623 1999-12-09 Andreas Jaeger <aj@suse.de>
12625 * loop.c (record_biv): Declare parameter as int.
12627 * config/i386/i386-protos.h: Declare long_memory_operand.
12629 1999-12-09 Mark Mitchell <mark@codesourcery.com>
12631 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
12632 EXPR_WITH_FILE_LOCATION.
12634 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12636 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
12639 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
12641 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
12644 1999-12-09 Jakub Jelinek <jakub@redhat.com>
12646 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
12647 default on linux64 again.
12648 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
12649 models for multilibing.
12650 * genmultilib: Accept | as alternative separator within a set in
12653 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
12655 * calls.c (precompute_arguments): Make sure initial_value contains
12656 value pseudo which CSE expects.
12657 * cse.c (struct set): New entry orig_src.
12658 (cse_insn): Set it early on entry, use it for libcall EQUIV note
12661 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
12663 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
12665 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
12667 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
12669 1999-12-08 Jakub Jelinek <jakub@redhat.com>
12671 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
12672 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
12674 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
12677 * longlong.h: Merge in changes from glibc.
12678 Also don't clobber %g2 register in 32bit SPARC assembly, so that
12679 -mno-app-regs libgcc can be compiled.
12680 * libgcc2.c: Add defines so that the updated longlong.h
12681 can be used in libgcc2.a. Also, make sure on most architectures
12682 (at least on all which have optimized code in longlong.h defined
12683 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
12685 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12687 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
12688 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
12689 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
12691 * configure: Rebuilt.
12693 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
12695 * alpha.c (secondary_reload_class): For !BWX, sub-simode
12696 outputs require a register.
12698 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
12700 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
12701 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
12702 functions like dptoul will be resolved.
12703 (libgcc2.a): Make sure that the object files from DPBIT are named
12704 differently (prefix `_dp') from those that would be coming from
12707 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
12709 * configure.in: When target is sparc* and tm_file contains 64,
12710 test for 64bit support in assembler. If not supported, remove
12711 sparc/t-sol2-64 from target-dependent Makefile fragments.
12712 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
12713 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
12714 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
12715 * acconfig.h (AS_SPARC64_FLAG): Added.
12716 * configure, config.in: Rebuilt.
12717 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
12718 support. Use AS_SPARC64_FLAG.
12720 1999-12-07 Jakub Jelinek <jakub@redhat.com>
12722 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
12723 suitable for holding OFmode values so that gcc works with complex
12725 (hard_64bit_mode_classes): Likewise.
12727 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
12728 so that it is actually matched.
12729 (sethi_di_medlow): Likewise.
12731 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
12732 as legitimate constant if -mvis.
12733 * config/sparc/sparc.md (movtf): Likewise.
12734 (clear_sf): Use const_double_operand.
12735 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
12737 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
12738 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
12739 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
12740 routines, _Qp_* cannot be handled like that now.
12741 (INIT_TARGET_OPTABS): Likewise.
12742 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
12743 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
12744 sparc_emit_float_lib_cmp if ARCH64 and soft float.
12745 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
12746 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
12747 divtf3, sqrttf3): New expanders.
12748 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
12749 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
12750 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
12753 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
12754 * configure: Rebuilt.
12755 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
12756 -mcpu is given and we're doing 64bit compiles.
12758 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
12760 * loop.h (struct induction): Add multi_insn_incr.
12761 * loop.c (basic_induction_var): New multi_insn_incr argument.
12762 Set it if we search back through previous insns for the biv.
12763 (record_biv): New multi_insn_incr argument; fill in struct induction.
12764 (strength_reduce): Discard an iv with multiple bivs, any of
12765 which require multiple insns to increment.
12767 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12769 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
12772 1999-12-06 David S. Miller <davem@redhat.com>
12774 * combine.c (check_promoted_subreg): Do not conditionalize this upon
12775 PROMOTE_FUNCTION_RETURN.
12777 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
12779 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
12780 and handle REG_UNUSED note on insn.
12782 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
12783 inner_mask instead of mask.
12785 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
12787 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
12788 zero if there was an error.
12790 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12792 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
12795 * longlong.h: Fix clobbers in SPARC asm statements.
12797 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
12798 valid sethi operations when TARGET_ARCH64.
12800 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
12801 always use move_by_pieces to avoid infinite recursion.
12802 (restore_fixed_argument_area): Likewise.
12804 * combine.c (check_promoted_subreg, record_promoted_value): New
12806 (combine_instructions): Use them to retain nonzero and sign bit
12807 information after SUBREGs are eliminated by optimizations in
12808 this pass if PROMOTE_FUNCTION_RETURN.
12810 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
12811 .register declaration. Don't use variables with __ prefixes.
12813 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12815 * fold-const.c (optimize_bit_field_compare): Only use one mode
12816 for both RHS and LHS in non-constant case.
12818 1999-12-06 Nathan Sidwell <nathan@acm.org>
12820 * frame.c (start_fde_sort): Only allocate erratic array, if
12821 linear one was allocated. Return allocated flag.
12822 (fde_insert): Only insert, if there's a valid array.
12823 (fde_end_sort): Split, sort and merge if linear and erratic
12824 arrays exist, else just sort linear one.
12825 (search_fdes): New function. Linear search through original fde
12827 (frame_init): Permit multiple initializations. Cope with
12829 (find_fde): Fallback on linear search, if failed to sort array.
12830 (__deregister_frame_info): Only free sorted array, if we
12833 1999-12-06 Jakub Jelinek <jakub@redhat.com>
12835 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
12837 1999-12-05 Jakub Jelinek <jakub@redhat.com>
12839 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
12841 1999-12-05 Mark Mitchell <mark@codesourcery.com>
12843 * tree.h (special_function_p): Declare.
12844 * calls.c (special_function_p): Make it global. Don't take `name'
12845 as a parameter. Fix typo in 1999-11-28 change.
12846 (expand_cal): Adjust.
12848 1999-12-04 Mark Mitchell <mark@codesourcery.com>
12850 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
12851 * tree.h (EXPR_WFL_FILENAME): Define in terms of
12852 EXPR_WFL_FILENAME_NODE.
12853 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
12855 * print-tree.c (print_note): Print TREE_PRIVATE and
12858 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
12859 the original die cannot be found.
12861 * varray.h (varray_head_tag): Add elements_used.
12862 (VARRAY_PUSH): New macro.
12863 (VARRAY_POP): Likewise.
12864 (VARRAY_TOP): Likewise.
12865 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
12867 * varray.c (varray_init): Initialize elements_used.
12868 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
12869 (INTEGRATE_H): New variable.
12870 (integrate.o): Depend on INTEGRATE_H.
12871 (unroll.o): Likewise.
12873 * function.h (insert_block_after_note): Declare.
12874 * function.c (insert_block_after_note): Split out from ...
12875 (retrofit_block): ... here.
12877 * stmt.c (expand_fixup): Fix typo in comment.
12879 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12881 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
12882 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
12883 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
12884 (regmove_optimize, fixup_match_1): Likewise.
12886 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12888 * flow.c (flow_loops_dump): Add missing argument when calling
12889 flow_loop_nested_p.
12891 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
12892 Greg McGary <gkm@gnu.org>
12894 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
12895 (init_attributes): Add A_NO_LIMIT_STACK.
12896 (decl_attributes): Handle A_NO_LIMIT_STACK.
12897 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
12898 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
12899 Handle stack bounds checking.
12900 * flags.h (flag_stack_check): Use the word 'probe' rather than
12901 'check', because the flag doesn't actually cause any checking to
12903 * function.c (expand_function_start): Set
12904 current_function_limit_stack.
12905 * function.h (struct function): Add limit_stack.
12906 (current_function_limit_stack): Define.
12907 * invoke.texi (Code Gen Options): Document new options.
12908 * rtl.h: Declare stack_limit_rtx.
12909 * toplev.c (stack_limit_rtx): New variable.
12910 (decode_f_option): Handle new options -fstack-limit-register=REG,
12911 -fstack-limit-symbol=IDENT, -fno-stack-limit.
12912 (main): Add stack_limit_rtx as GC root.
12913 * tree.h (DECL_NO_LIMIT_STACK): New macro.
12914 (struct tree_decl): New member no_limit_stack.
12916 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
12918 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
12919 (conditional_trap+1): Get new mnemonic correct.
12920 (conditional_trap+2): New pattern for DImode traps.
12922 * config/m68k/m68k.c (output_function_prologue): Handle
12924 * config/m68k/m68k.md (trap): New insn.
12925 (conditional_trap): New insn.
12926 * md.texi (Standard Names): Document `trap' and
12927 `conditional_trap'.
12928 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
12929 so a cc0 setter doesn't get emitted at some random place in the
12932 * config/i960/i960.md (trap): New insn.
12933 (conditional_trap): New expander.
12934 (conditional_trap+1, conditional_trap+2): New insns for signed
12935 and unsigned cases.
12936 * config/i960/i960.c (i960_function_prologue): Use
12937 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
12939 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
12940 Geoffrey Keating <geoffk@cygnus.com>
12942 * flags.h (warn_padded, warn_packed): Add global var decls.
12943 * toplev.c (warn_padded, warn_packed): Add global var defns.
12944 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
12945 * stor-layout.c (layout_record): Add local variable `type'
12946 to hold often-used TREE_TYPE (field). Add local variable
12947 `unpacked_align' to hold alignment that would be in force
12948 if no `packed' attribute were present. Warn if `packed' attribute
12949 is unnecessary, or even harmful. Warn when gcc inserts padding
12950 to satisfy alignment requirements of members. Use NULL_TREE
12951 when checking whether var_size is set.
12952 * invoke.texi: Document new flags.
12954 1999-12-03 Nathan Sidwell <nathan@acm.org>
12956 * frame.c (fde_split): Reimplement to avoid variable sized array.
12958 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12960 * combine.c (try_combine): Before fixing up LOG_LINKS for the
12961 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
12963 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
12965 * invoke.texi: Document the mips option -mno-crt0
12967 1999-12-02 Mike Karr <mkarr@mathworks.com>
12969 * cccp.c (argdata): Added free_ptr member.
12970 (macroexpand): Initialize free_ptr of each argument. When an
12971 argument's buffers are freed, if the argument's free_ptr corresponds
12972 to a buffer on the input stack, then return the free_ptr to that stack
12973 frame, otherwise, free it.
12974 (macarg): If an argument begins and ends on the same input stack level,
12975 then transfer the free_ptr of that buffer to the argument in case
12976 the stack is popped during the processing of a subsequent argument.
12978 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
12980 * loop.c (note_reg_stored): New function.
12981 (struct note_reg_stored_arg): New structure.
12982 (try_copy_prop): Change to be more conservative; only replace within
12983 one extended basic block and stop replacing if a store to the
12984 replacement reg is seen.
12986 1999-12-02 Nick Clifton <nickc@cygnus.com>
12988 * config/fp-bit.c: Initialise all fields of the NAN
12991 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
12994 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
12996 * i386.md (extend?f?f2): Force the input into a register, not
12999 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13001 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13003 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13004 alternative because setting up 64bit constant is usually costly,
13005 especially when reload is in progress or completed.
13006 (movdf_const_intreg_sp64): Likewise.
13007 (movdf_const_intreg split): Fix building up constants when
13008 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13010 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13012 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13013 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13016 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13017 (asm_file_start): Emit .am33 into assembly file when compiling for
13019 (print_operand_address): Handle POST_INC addresses.
13020 (can_use_return_insn, initial_offset): Check AM33 registers too.
13021 (expand_prologue): Check & save AM33 registers too.
13022 (expand_epilogue): Similarly.
13023 (secondary_reload_class): Handle AM33 specific secondary reloads.
13024 (output_tst): Emit efficient code for the AM33 too.
13025 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13026 (TARGET_SWITCHES): Add -mam33 switch.
13027 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13028 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13029 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13030 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13031 (enum reg_class, REG_CLASS_NAMES): Likewise.
13032 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13033 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13034 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13035 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13036 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13037 (HAVE_POST_INCREMENT): Define.
13038 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13039 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13040 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13041 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13042 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13043 (zero_extend to SI from QI/HI): Likewise.
13044 (sign_extend to SI from QI/HI): Likewise.
13045 (mulsidi3, umulsidi3): New patterns for the AM33.
13046 (tstsi with zero extension from QI/HI): Add AM33 variants.
13047 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13048 (return_internal_regs, store_movm): Handle new AM33 registers.
13049 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13050 (LIBGCC, INSTALL_LIBGCC): Likewise.
13051 * invoke.texi: Document new flags.
13053 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13055 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13056 (addsi3_carry): Likewise.
13057 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13058 (sbbsi3_carry): Likewise.
13059 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13060 (mulhi3): Likewise.
13061 (test?i_1): Ensure that only one operand is memory.
13062 (conditional move patterns): likewise.
13063 (shift and rotate patterns): Rewrite to expander, add
13064 "binary_operator_ok" to the condition.
13066 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13067 * i386.h (procesor_costs): Add movzbl_load field.
13068 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13069 non-Q registers, accept DImode registers anywhere.
13071 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13072 * i386.c (*_cost): Set value for movxbl_load field.
13074 * (addsi): New add to lea splitter.
13075 (ashlsi): Likewise.
13076 (lea to add/shift peep2): New.
13078 1999-12-01 Mark Salter <msalter@cygnus.com>
13080 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13081 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13082 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13084 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13086 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13087 * i386.md (movsi_xor): New.
13089 (movsi_1, movhi_1, movqi_1): Remove.
13090 (movsi_2): Rename to movsi_1.
13091 (movhi_2): Rename to movhi_1.
13092 (movqi_2): Rename to movqi_1.
13093 (movdi_1): Remove; remove splitter.
13094 (movdi_2): Rename to movdi_1.
13095 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13096 (long move peep2): Do not create QI or HI mode mov0s
13097 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13099 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13102 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13103 (abs?f2_if): Likewise.
13105 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13107 * ggc.h (ggc_test_and_set_mark): New macro.
13108 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13109 (ggc_mark_tree): Likewise.
13110 (ggc_mark_rtvec): Likewise.
13111 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13113 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13115 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13117 (decl_scope_table): Just an array of trees now.
13118 (push_decl_scope): Simplify.
13119 (dwarf2out_init): Adjust.
13120 (local_scope_p): New fn.
13121 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13122 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13123 (gen_typedef_die): Likewise.
13124 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13125 (gen_inlined_subroutine_die): Likewise.
13126 (gen_abstract_function): Set current_function_decl temporarily.
13127 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13128 Handle block extern declarations. Don't call push/pop_decl_scope.
13129 (gen_decl_die): Fix logic for block externs.
13131 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13133 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13134 to the list of functions which have attribute malloc by default.
13136 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13138 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13139 integer constant does not match the traditional type, limit the
13140 warnings to cases where the base of the type is ten.
13142 * invoke.texi (-Wtraditional): Document it.
13144 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13146 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
13147 * rs6000.md: Only access a CONST_INT with INTVAL
13149 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
13151 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
13152 (compute_nearerout): Likewise.
13153 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
13154 size_t to unsigned long for formatting.
13156 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13158 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
13159 Allow the user to override call-used/fixed state of %g2-5
13160 registers from the command line (with the exception of %g4 for
13162 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
13163 there is a higher chance of having a leaf function.
13164 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
13165 for ARCH64 which has %ccr register.
13166 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
13168 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
13169 insn accept into delay slot any insn which does not use %[ol]
13170 registers. Accept some LO_SUM and shift left by 1 for the normal
13172 (output_function_epilogue): Likewise.
13173 (epilogue_renumber): Added argument which inhibits any renumbering
13174 and just tests if the rtx does not use any %[ol] registers.
13175 (output_return): Reflect above change.
13177 1999-11-30 Jakub Jelinek <jakub@redhat.com>
13179 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
13180 aggregate passing for sizes <= 16 bytes.
13182 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
13184 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
13185 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
13186 * reload.c (find_dummy_reload): Likewise.
13187 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
13188 * reload1.c (reload_as_needed): Likewise.
13189 * stupid.c (stupid_find_reg): Likewise.
13190 * tm.texi (Obsolete Register Macros): Delete section.
13191 * gmicro.h: Remove all traces of the two macros.
13192 * i386.h: Likewise.
13193 * m88k.h: Likewise.
13194 * mips.h: Likewise.
13196 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
13198 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
13199 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
13200 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
13201 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
13202 units for the sparclite86x chip.
13203 (flush): Revert October 14th change; add SImode specifically.
13204 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
13205 * invoke.texi: Document it.
13207 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
13209 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
13210 psimode_truncation_operand.
13212 * config/mn10200/mn10200.c (psimode_truncation_operand): New
13213 function. Return true if the operand is either a MEM valid
13214 for a PSImode address or not a MEM at all.
13216 * config/mn10200/mn10200.md (truncsipsi2): Use
13217 psimode_truncation_operand.
13219 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13221 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
13222 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
13223 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
13224 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
13225 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
13226 (flow_loop_level_compute, low_loops_level_compute): Likewise.
13227 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
13228 * basic-block.h: Protect from multiple inclusion.
13229 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
13230 (struct loops, struct loop): Define structures.
13231 * sbitmap.c (sbitmap_a_subset_b_p): New function.
13232 * sbitmap.h: Protect from multiple inclusion.
13233 (sbitmap_a_subset_b_p): Add prototype.
13234 * Makefile.in (LOOP_H): New macro.
13235 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
13237 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
13239 * cppinit.c (CAT): The argument list of this macro may not contain
13242 1999-11-29 David S. Miller <davem@redhat.com>
13244 Move quantity tables and register equivalence chains into
13245 per-qty and per-register structure arrays respectively.
13246 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
13247 qty_const_insn, qty_comparison_code, qty_comparison_const,
13248 qty_comparison_qty): Delete, replace with...
13249 (qty_table): this structure table.
13250 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
13251 (reg_eqv_table): this structure table.
13252 (make_new_qty): Add argument MODE. Caller updated.
13253 Update to use qty_table and reg_eqv_table.
13254 (make_regs_eqv, delete_reg_equiv, insert_regs,
13255 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
13256 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
13257 cse_process_notes, cse_main, cse_basic_block): Likewise.
13259 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13261 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
13262 operation if C is negative.
13263 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
13264 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
13265 law for some divisions if constant is negative and change other
13266 divisions to the opposite rounding.
13268 * expr.c (store_constructor_field): If bit position is not multiple
13269 of alignment of TARGET's mode, use BLKmode.
13271 * expr.c (expand_expr_unaligned): Add more code from full case
13272 that is needed when OP0 is in a register.
13274 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13276 * dwarfout.c (field_byte_offset): Size can be zero if there was
13279 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13281 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
13282 (associate_trees): Delete unused var TEM.
13283 (extract_muldiv): Delete unused var CANCEL_P.
13285 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
13286 (target_isinf, target_isnan, target_negative): Add return types to
13287 function definitions.
13289 1999-11-29 Bruce Korb <autogen@linuxbox.com>
13291 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
13292 * fixinc/hackshell.tpl: ditto
13293 * fixinc/fixtests.c(double_slash_test): more C++ header testing
13294 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
13296 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
13298 * reload.c (push_reload): When looking for a register to put into
13299 reg_rtx, make sure all hard regs in a multi-reg register are in the
13300 right class and nonfixed.
13302 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
13303 pending_read_insns, pending_write_insns, pending_read_mems,
13304 pending_write_mems, pending_list_length, last_pending_memory_flush,
13305 last_function_call, sched_before_next_call): Move static variables
13307 (bb_ prefixed versions): Replace with single array bb_deps.
13308 (struct deps): New structure.
13309 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
13310 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
13311 argument of type "struct deps *"; use that instead of global
13312 variables. All callers changed.
13313 (init_rgn_data_dependencies): Delete function.
13314 (init_rtx_vector): Delete function.
13315 (init_deps): New function.
13317 (free_pending_lists): Simplify, we always use the bb_deps array even
13318 if only one basic block.
13319 (compute_block_backward_dependences): Likewise.
13320 (schedule_region): Likewise.
13322 (propagate_deps): New function, broken out of
13323 compute_block_backward_dependences.
13324 (compute_block_backward_dependences): Use it.
13326 * alpha.md: Delete useless patterns that tried to work around
13327 register elimination problems.
13329 * unroll.c (loop_iterations): Don't abort if iteration variable
13332 From Joern Rennecke:
13333 * reload1.c (reloads_conflict): Reverse test comparing operand
13334 numbers when testing for conflict between output/outaddr reloads.
13336 1999-11-29 David S. Miller <davem@redhat.com>
13338 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
13340 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
13342 1999-11-28 Robert Lipe <robertl@cygnus.com>
13344 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
13345 table from .fini into .dtor.
13347 1999-11-28 Anthony Green <green@cygnus.com>
13349 * tree.h (struct tree_decl): Add malloc_flag.
13350 (DECL_IS_MALLOC): Define.
13351 * c-common.c (attrs): Add A_MALLOC attribute.
13352 (init_attributes): Add this attribute to the table.
13353 (decl_attributes): Handle malloc attribute.
13354 * calls.c (special_function_p): Check for the malloc attribute.
13355 * extend.texi (Function Attributes): Document malloc attribute.
13357 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
13359 * pa.md (reload shift-add patterns): Remove.
13361 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13363 * reorg.c (dbr_schedule) Print more statistics. Corrected
13364 problem when printing info when 3 delay slots are filled.
13366 1999-11-28 Jakub Jelinek <jakub@redhat.com>
13368 * combine.c (setup_incoming_promotions): Pass an outgoing
13369 regno to FUNCTION_ARG_REGNO_P which it expects.
13371 1999-11-28 Andreas Jaeger <aj@suse.de>
13373 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
13375 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
13377 * cccp.c (do_include): Avoid initialization of automatic variable.
13379 * integrate.c (mark_stores): Function definition made void, to match
13380 previous declaration.
13381 * regclass.c (dump_regclass): Ditto.
13382 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
13384 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13386 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
13387 known to be multiple of divisor.
13389 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
13391 * combine.c (try_combine): Add code to try to merge a set of a
13392 two-word pseudo to a constant with a setting of one of those words
13395 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
13396 (split_tree): Completely rework to make more general.
13397 (make_range, fold): Call negate_expr.
13398 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
13399 (fold, associate): Call new split_tree and associate_trees.
13400 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
13402 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
13404 * loop.c (try_copy_prop): Avoid GNU C extension.
13406 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13408 * except.c (init_eh_for_function): Still zero eh_return_context,
13409 eh_return_stack_adjust, and eh_return_handler.
13411 * except.h (eh_status): Adjust documentation for x_protect_list.
13412 (begin_protect_partials): New function.
13413 * except.c (enqueue_eh_entry): Fix formatting.
13414 (get_first_handler): Add consistency check.
13415 (add_partial_entry): Adjust usage of protect_list.
13416 (emit_cleanup_handler): Save and restore ehqueue.
13417 (expand_start_all_catch): Add comment.
13418 (begin_protect_partials): New function.
13419 (end_protect_partials): Adjust usage of protect_list.
13420 (init_eh_for_function): Use xcalloc.
13422 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13424 * c-common.c (check_format_info): Don't call a variadic function
13425 with a non-literal format string.
13427 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
13429 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
13430 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
13433 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
13436 * collect2.c (collect_wait): Likewise.
13438 * dbxout.c (dbxout_type): Likewise.
13440 * gcc.c (do_spec_1): Likewise.
13442 * genemit.c (gen_insn, gen_expand): Likewise.
13444 * genrecog.c (write_switch, write_subroutine): Likewise.
13446 * mips-tfile.c (catch_signal, botch): Likewise.
13448 * print-rtl.c (print_rtx): Likewise.
13450 * toplev.c (default_print_error_function, report_error_function,
13451 _fatal_insn): Likewise.
13453 1999-11-25 Mark Mitchell <mark@codesourcery.com>
13455 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
13457 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13459 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
13460 operations when needed.
13461 * i386.md (fop_?f_comm): New.
13462 (fop_?f_1): Do not accept commutative operands.
13464 1999-11-25 Andreas Jaeger <aj@suse.de>
13466 * config/mips/mips.md (casesi_internal): Add missing brace.
13468 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
13470 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
13471 (splice_child_die): Handle moving a child DIE from the declaration
13472 DIE of a class to its specification.
13473 (gen_struct_or_union_type_die): Use 'complete' consistently.
13474 (gen_decl_die): Generate the virtual context DIE first.
13475 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
13477 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
13479 * config/mips/mips.md (call_value_multiple_interanal1): New.
13481 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
13483 * dwarf2out.c (free_AT, free_die): New fns.
13484 (remove_children): Call them.
13485 (output_line_info): Disable removal of duplicate notes.
13487 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
13488 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
13489 means pretend the type isn't defined.
13490 Don't defer emitting types.
13491 (gen_type_die_for_member): New fn.
13492 (gen_decl_die): Call it.
13493 (splice_child_die): New fn.
13494 (gen_member_die): Call it rather than generate duplicate dies.
13496 Defer emitting information for the abstract instance of an inline
13497 until we either inline it or emit an out-of-line copy.
13498 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
13499 from output_inline_function if DECL_ABSTRACT is also set.
13500 (block_ultimate_origin): Likewise.
13501 (gen_abstract_function): New fn.
13502 (gen_decl_die, gen_inlined_subroutine_die): Call it.
13503 (gen_subprogram_die): An abstract instance is not a declaration
13504 just because it doesn't match current_function_decl. Don't abort
13505 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
13506 has an abstract origin.
13507 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
13508 abstract instance here.
13510 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
13512 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
13513 where we need to reload fpul from a system register.
13515 1999-11-24 Andreas Jaeger <aj@suse.de>
13517 * config/mips/linux.h (CPP_PREDEFINES): Added.
13518 (LINK_SPEC): Remove -Y since this is only needed on sparc.
13520 1999-11-24 Andreas Jaeger <aj@suse.de>
13522 * config/mips/linux.h (TARGET_VERSION): Added.
13523 (HANDLE_SYSV_PRAGMA): Added.
13524 (DEFAULT_VTABLE_THUNKS): Added.
13526 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13528 * local-alloc.c (qty): New structure and static variable.
13529 (qty_phys_reg): Remove, all references changed to qty.
13530 (qty_n_refs): Likewise.
13531 (qty_min_class): Likewise.
13532 (qty_birth): Likewise.
13533 (qty_death): Likewise.
13534 (qty_size): Likewise.
13535 (qty_mode): Likewise.
13536 (qty_n_calls_crossed): Likewise.
13537 (qty_alternate_class): Likewise.
13538 (qty_changes_size): Likewise.
13539 (qty_first_reg): Likewise.
13540 (alloc_qty): Rename variable QTY to QTYNO.
13541 (finf_free_reg): Likewise.
13542 (local_alloc): Allocate qty, do not allocate the removed variables.
13544 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
13546 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
13547 when -membedded-pic is passed.
13549 * config/mips/mips.md (casesi): Handle 64-bit case too.
13550 (casesi_internal_di): New insn.
13552 * config/mips/mips.c (embedded_pic_offset): Always make the
13553 embedded-pic subtractions relative to the name of the current
13554 function by use of the magic string "..CURRENT_FUNCTION".
13555 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
13557 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
13559 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
13560 of (const_int 0), when what we really care about is
13561 whether it's a zero constant anyway.
13562 (div_trap_mips16): Likewise.
13564 1999-11-23 Mark Mitchell <mark@codesourcery.com>
13566 * loop.c (loop_optimize): Always find_loop_tree_blocks and
13567 unroll_block_trees when generating debuggable code.
13569 * tree.h (unsave_expr_1): New function.
13570 (lang_unsave): New variable.
13571 (get_callee_fndecl): New function.
13572 * tree.c (unsave_expr_now_r): New function.
13573 (lang_unsave): Define.
13574 (unsave_expr_1): Likewise.
13575 (unsave_expr_now_r): Split out from unsave_expr_now.
13576 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
13577 call unsave_expr_now_r.
13578 (get_callee_fndecl): Define.
13580 * Makefile.in (gencheck): Don't depend on lang_tree_files.
13581 (gencheck.o): Do depend on lang_tree_files.
13583 * integrate.h (copy_decl_for_inlining): New declaration.
13584 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
13585 (copy_decl_for_inlining): New function.
13586 (integrate_parm_decls): Use it.
13587 (integrate_decl_tree): Likewise.
13589 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
13591 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
13592 the second two from the first.
13593 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
13594 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
13595 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13597 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
13598 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
13601 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
13603 * pa.md (call_internal_symref, call_value_internal_symref): No mode
13604 needed on the address operand.
13605 * pa.c (call_operand_address): Check for the correct mode.
13607 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
13609 * loop.c: Include "basic-block.h".
13610 (try_copy_prop, replace_loop_reg): New functions.
13611 (load_mems): Detect registers that just hold copies of the hoisted
13612 mem, and call try_copy_prop to eliminate them.
13613 * Makefile.in (loop.o): Update dependencies.
13615 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
13617 * Makefile.in (gencheck.o): Depend on gencheck.h.
13618 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
13619 (insn-peep.o): Depend on except.h and function.h.
13620 (insn-attrtab.o): Depend on RECOG_H.
13621 (insn-output.o): Depend on toplev.h and flags.h.
13622 (gengenrtl.o): Depend on real.h.
13623 (gen-protos.o): Depend on cpplib.h and cpphash.h.
13624 Unify all dependencies to be on RECOG_H rather than recog.h.
13626 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13628 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
13629 * configure.in: Try building a bi-arch 32/64-bit compiler on
13630 sparc-*-solaris2.7 and higher.
13631 * configure: Rebuild.
13633 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
13635 * config/freebsd.h: New, FreeBSD architecture independent file.
13636 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
13637 independent pieces.
13638 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
13639 directly by i386/freebsd.h.
13640 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
13641 independent configuration file.
13642 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
13643 directly by i386/freebsd.h.
13644 * configure: Rebuilt.
13646 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
13647 which is in the user's namespace.
13648 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
13649 `i386' which is not in our namespace.
13651 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
13653 * invoke.texi (ARM Options): Add in -mno-alignment-traps
13655 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13657 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
13658 (add_dwarf_attr, add_child_die): Just push onto the front.
13659 (reverse_die_lists): New fn.
13660 (add_sibling_attributes): Use it.
13661 (push_decl_scope): Reorganize.
13662 (add_name_and_src_coords_attributes): Don't set file and line for
13663 an artificial decl.
13664 (gen_subprogram_die): An artificial function doesn't need to match
13666 (gen_compile_unit_die): Return the generated die. Only add
13667 AT_comp_dir if the filename is relative.
13668 (remove_AT): Simplify loop. Also free string values.
13669 (output_die): A DIE ref can't be null.
13670 (output_value_format, value_format): Take a dw_attr_ref.
13671 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
13672 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
13673 AT_addr, AT_lbl): New fns.
13674 (various): Use them.
13675 (various): Constify.
13677 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13679 * combine.c (combine_simplify_rtx): When handling a SUBREG,
13680 take SUBREG_WORD into account.
13681 (if_then_else_cond): Likewise.
13683 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
13685 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
13686 clause from BSD license, pursuant with
13688 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
13690 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
13692 * loop.c (load_mems): Reformat slightly.
13693 * basic-block.h (regset_head): New typedef.
13694 (INIT_REG_SET): New macro.
13696 1999-11-22 Bruce Korb <autogen@linuxbox.com
13698 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
13699 (mips-dec-bsd*): non-functional code
13700 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
13702 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
13703 added three replacement fixes
13704 (no_double_slash): removed comments that are not (any longer) pertinent
13705 (bad_lval): this fix currently runs against many files.
13706 The comment seems to indicate that we should select for files
13707 containing 'pragma extern_prefix'.
13709 * fixinc/fixinc.x86-linux-gnu: deleted
13710 * fixinc/inclhack.sh: regen
13711 * fixinc/fixincl.x: regen
13712 * fixinc/fixincl.sh: regen
13714 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
13716 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
13717 its code is INSN and it has no notes.
13719 1999-11-22 Andrew Haley <aph@cygnus.com>
13721 * varasm.c (function_defined): Remove.
13722 (make_function_rtl): Don't set function_defined.
13723 (make_decl_rtl): Remove global register warning.
13724 * regclass.c (no_global_reg_vars): New variable.
13725 (globalize_reg): Warn if function has already been defined.
13726 (regclass_init): Set no_global_reg_vars.
13728 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13730 * regclass.c (reg_pref): New structure and static variable
13731 (prefclass): Delete.
13732 (altclass): Delete.
13733 (all uses of prefclass and altclass): Use reg_pref instead.
13735 1999-11-21 Nick Clifton <nickc@cygnus.com>
13737 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
13739 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
13740 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13741 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
13743 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
13745 * varasm.c (output_constructor): Solve problem with long long
13746 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
13748 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13750 * global.c (allocno): New structure and static variable.
13751 (allocno_reg): Remove, all references replaced by allocno.
13752 (allocno_size): Likewise.
13753 (hard_reg_conflicts): Likewise.
13754 (hard_reg_preferences): Likewise.
13755 (hard_reg_copy_preferences): Likewise.
13756 (hard_reg_full_preferences): Likewise.
13757 (regs_someone_prefers): Likewise.
13758 (allocno_calls_crossed): Likewise.
13759 (allocno_n_refs): Likewise.
13760 (allocno_live_length): Likewise.
13761 (find_reg): Rename ALLOCNO to NUM.
13763 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
13764 references updated.
13765 (may_move_out_cost): New variable.
13766 (init_reg_sets_1): Initialize may_move_out_cost.
13767 (record_reg_classes): Use may_move_out_cost.
13769 * regclass.c (dump_regclass): New function.
13770 (regclass): New parameter DUMP, call DUMP_REGCLASS.
13771 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
13772 pass rtl_dump_file to regclass.
13773 * rtl.h (regclass): Update prototype.
13775 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13777 * i386.md (neg, not and abs patterns): Revmap to use
13778 ix86_expand_unary_operator and ix86_unary_operator_ok.
13779 (add?f and sub?f expanders): Force operand 1 to register.
13780 * i386.c (ix86_expand_unary_operator): Rewrite.
13781 (ix86_unary_operator_ok): Ensure that memory operands
13783 (ix86_binary_operator_ok): Do not allow operand 1 to
13784 come into memory and operand 0 not.
13785 (ix86_expand_binary_operator): Ensure that
13786 src1 is not non-matching memory.
13788 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
13789 to support integer registers and memory.
13790 (abss?2_integer): Likewise.
13792 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
13793 (REG_CLASS_NAMES): Likewise.
13794 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
13796 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
13797 (movsf): Likewise; unify 4th and 5th alternative.
13798 (pushdf): Likewise.
13799 (movdf_1): Likewise; rename to movdf_integer.
13800 (pushxf): Likewise; rename to pushxf_integer; fix output template;
13801 remove redundant splitter.
13802 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
13803 (movdf_nointeger): New.
13804 (movxf_nointeger): New.
13805 (pushxf_nointeger): New.
13807 * i386.md (extend?f?f): Split to expander and pattern, refuse two
13808 memory operands in patterns.
13809 (fop*): Refuse two memory operands.
13811 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
13812 on !TARGET_USE_CLTD CPUs.
13814 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
13816 * extend.texi: Document C++ restricted pointers and references.
13818 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
13820 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
13821 (invalidate_skipped_set): Call it unconditionally.
13822 (cse_set_around_loop): Likewise.
13824 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13826 * rtl.texi (mem): Add documentation for alias-set argument
13829 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13831 * i386.h (struct_processor_costs): New fields int_load, int_store,
13832 fp_move, fp_load and fp_store
13833 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
13835 (MEMORY_MOVE_COST): New macro.
13836 * i386.c (386_cost): Define new fields.
13837 (i486_cost): Likewise.
13838 (pentium_cost): Likewise.
13839 (pentiumpro_cost): Likewise.
13840 (k6_cost): Likewise.
13842 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
13843 Geoffrey Keating <geoffk@cygnus.com>
13845 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
13847 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
13850 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
13851 (TARGET_STRICT_ALIGNMENT): New macro.
13852 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
13853 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
13854 * invoke.texi (M680x0 Options): Document -mstrict-align.
13856 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
13857 Richard Henderson <rth@cygnus.com>
13859 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
13860 (ix86_split_long_move): Declare.
13861 * i386.c (split_xf, ix86_split_movdi): Remove.
13862 (ix86_split_to_parts, ix86_split_long_move): New.
13863 * i386.md (dimode move splitters): Use ix86_split_long_move.
13864 (dfmode move splitters): Likewise.
13865 (xfmode move splitters): Likewise.
13866 (movsf_1): Allow F->r.
13867 (movdf_1, movxf_1): Allow F->ro.
13869 1999-11-17 Mark Mitchell <mark@codesourcery.com>
13871 * except.h (struct eh_entry): Add goto_entry_p.
13872 (eh_region_from_symbol): Remove prototype.
13873 * except.c (find_func_region_from_symbol): New function.
13874 (emit_cleanup_handler): Likewise.
13875 (eh_region_from_symbol): Make it static.
13876 (add_new_handler): Verify the argument.
13877 (find_func_region): Update comment.
13878 (expand_eh_region_end): Expand handlers here, rater than waiting
13879 until expand_leftover_cleanups or start_all_catch.
13880 (expand_leftover_cleanups): Don't expand here.
13881 (expand_start_all_catch): Or here.
13882 (expand_rethrow): Check the return value from find_func_region.
13883 * function.c (expand_function_end): Emit the catch_clauses.
13885 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
13887 * integrate.c (expand_inline_function): Add necessary check for NULL.
13889 1999-11-18 Nick Clifton <nickc@cygnus.com>
13891 * toplev.c (main): Correctly detect an unrecognised option.
13893 * cppinit.c (cpp_handle_option): Do not claim to have consumed
13894 a -f option if it has not been recognised.
13896 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
13898 * basic-block.h (update_life_extent): Remove trailing comma on
13899 enumeration type list.
13901 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13903 * varasm.c (output_constructor) Solved problem with long long
13904 bitfields. Corrected calculating this_time and shift. Also
13905 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
13907 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
13909 * flow.c (split_edge): Take looping structure into account when
13910 determining where to put the new block note.
13912 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
13914 * Makefile.in (ggc-none.o): Provide host specific version if
13917 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
13919 * cse.c (delete_trivially_dead_insns): Identify no-op insns
13920 containing subregs too.
13922 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
13924 * invoke.texi: Add documentation for -muninit-const-in-rodata.
13925 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
13926 (TARGET_UNINIT_CONST_IN_RODATA): Define.
13927 (text_section): Add switches -munint-const-in-rodata and
13928 -mno-uninit-const-in-rodata.
13929 (ASM_OUTPUT_COMMON): Remove.
13930 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
13931 const objects should be placed in read-only data. Otherwise declare
13934 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
13936 * jump.c (jump_optimize_1): Revert last change.
13938 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
13940 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
13941 test if optimizing for size.
13943 1999-11-17 Mark Mitchell <mark@codesourcery.com>
13945 * Makefile.in (toplev.o): Depend on except.h.
13946 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
13948 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13950 * i386.md (divmodsi4): Rewrite to expander.
13951 (*divmodsi4_nocltd): New.
13952 (*divmodsi4_cltd): New.
13953 (divmodsi4 splitter): Handle the case when input comes in edx.
13954 (udivmodhi4): Do not use constraints in exander.
13955 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
13957 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
13959 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
13960 for the common case.
13962 1999-11-16 Jakub Jelinek <jakub@redhat.com>
13964 * explow.c (hard_function_value): Add outgoing argument.
13965 * expr.h (hard_function_value): Declare it.
13966 * calls.c (expand_call, emit_library_call_value): Update callers.
13967 * function.c (aggregate_value_p): Ditto.
13968 (diddle_return_value): Must look at the outgoing registers
13969 on archs with register windows.
13971 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
13973 * alpha.c (alpha_build_va_list): Use make_lang_type and
13974 initialize TYPE_NAME for the va_list record.
13976 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
13978 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
13980 * ggc.h (struct ggc_statistics): Rearrange elements for better
13981 packing on 64-bit hosts.
13982 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
13983 (compute_nearerout): Likewise.
13985 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
13987 * config/rs6000/rs6000.c (first_reg_to_save): Save
13988 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
13990 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
13992 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
13993 notion of nesting to find the DIE for a type or function.
13994 DIEs can go in limbo even if we got a context_die.
13995 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
13996 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
13998 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
13999 (gen_type_die): Writing out the context doesn't cause member class
14000 template instantiations to be written out as well.
14002 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14004 * rs6000.h (ASM_OUTPUT_DEF): New.
14005 Based on proposed addition from David Edelsohn.
14007 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14008 Bruce Korb <autogen@linuxbox.com>
14010 * fixinc/inclhack.def
14011 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14012 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14014 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14015 (svr4_endian): enabled with SVR5
14016 (svr4_mkdev): simplified syntax and enabled with SVR5
14018 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14020 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14021 * configure: Rebuilt.
14022 * config/t-freebsd-thread: New file.
14024 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14026 * i386.c (ix86_decompose_address): Verify the base is a REG
14027 before trying to examine its register number.
14029 * basic-block.h: Remove all #defines and prototypes related to
14031 (free_bb_mem, compute_preds_succs): Remove prototype.
14032 * rtl.h (free_bb_mem): Remove prototype.
14033 * flow.c (alloc_int_list_node); Remove function.
14034 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14035 (compute_preds_succs, free_bb_mem): Likewise.
14036 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14037 * toplev.c (rest_of_compilation): Likewise.
14038 * haifa-sched.c (build_control_flow): Use flow generated edge
14039 list to build the haifa specific edge list.
14040 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14041 (schedule_insns): Do not build pred/succ lists anymore. Instead
14042 build the edge table.
14044 * basic-block.h (dump_bb_data): Remove declaration.
14045 * flow.c (dump_bb_data): Remove function.
14046 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14047 (sbitmap_union_of_predsucc): Likewise.
14049 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14050 argument. All callers changed.
14051 (delete_null_pointer_checks_1): No longer need to compute the
14054 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14055 All callers changed.
14056 (pre_expr_reaches_here_p_work): Likewise.
14057 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14058 * lcm.c (compute_laterin): Fix initialization of LATER.
14059 (compute_nearerout): Similarly for NEARER.
14061 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14063 * cse.c (set_nonvarying_address_components): Delete unused function.
14064 (refers_to_p): Likewise.
14066 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14068 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14071 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14073 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14074 definition in do while (0).
14076 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14078 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14080 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14082 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14084 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14086 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14087 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14088 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14089 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14091 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14092 saved on the stack. Output more accurate stack frame statistics
14093 into assembler file.
14095 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14097 * genextract.c (record_insn_name): New function.
14098 (get_insn_name): No longer a stub.
14099 (main): Call record_insn_name for each insn. After each label
14100 written, print the insn name in a comment.
14102 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14104 * output.h (const_section, init_section, fini_section): Add
14107 * alpha/elf.h (const_section): Delete declaration.
14109 * svr4.h (const_section): Likewise.
14111 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14113 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14114 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14115 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14117 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14118 variable-sized array bounds.
14120 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14122 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14125 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14127 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14128 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14130 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14132 * cse.c (hash_arg_in_struct): Delete.
14133 (struct table_elt): Delete elt in_struct.
14134 (struct set): Delete elt src_in_struct.
14135 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14136 the corresponding in_struct elts.
14137 (canon_hash): Likewise.
14138 (safe_hash): Likewise.
14139 (find_best_addr): Likewise.
14140 (record_jump_cond): Likewise.
14141 (cse_insn): Likewise.
14143 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
14145 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
14147 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
14150 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
14152 * function.c (diddle_return_value): Put back check that the DECL_RTL
14153 for the function is a register.
14155 * function.c (diddle_return_value): Use hard_function_value to
14156 get an rtx suitable for use in the USE/CLOBBER insn.
14158 * global.c (global_conflicts): Update comments.
14159 (record_conflicts): No need to record conflicts between pseudos here.
14161 1999-11-11 Bruce Korb <autogen@linuxbox.com>
14163 * fixinc/fixincl.c: Added verbose levels for status messages
14165 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14167 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
14168 operand as argument to expand_and or expand_binop.
14170 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
14172 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
14173 gcc_add_string_root.
14175 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
14177 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
14179 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
14181 * flow.c (compute_flow_dominators): Initially put all blocks on
14183 * lcm.c (compute_antinout_edge, compute_available): Similarly.
14184 * gcse.c (compute_cprop_avinout): Remove.
14185 (compute_cprop_data): Use compute_available.
14186 (delete_null_pointer_checks_1): Use compute_available.
14188 * basic-block.h (compute_available): Returns a void now.
14189 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
14190 to return a value anymore.
14191 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
14192 worklists. Fix boundary cases. Compute maximal solutions.
14193 (compute_laterin, compute_nearerout): Similarly.
14195 * dwarf2out.c (add_AT_location_description): Allow
14196 (mem (plus (pseudo) (...)) too.
14198 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
14200 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
14202 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
14203 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14205 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
14207 * gansidecl.h: Likewise.
14213 * toplev.h: Likewise.
14215 * tree.c: Likewise.
14217 * tree.h: Likewise.
14219 * varray.c: Likewise.
14221 * varray.h: Likewise.
14223 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
14225 * gcov.c (struct arcdata): Add hits and total, remove prob.
14226 (output_branch_counts): New.
14227 (process_args): Set output_branch_counts if -c.
14228 (calculate_branch_probs): Store hits and total instead of
14230 (output_data): Emit counts if output_branch_counts is true.
14231 * gcov.texi (Invoking Gcov): Document -c switch..
14233 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
14235 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
14236 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
14238 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
14240 * invoke.texi (C Dialect Options): Add missing builtins from
14241 c-common.c to list.
14242 * extend.texi (Other Builtins): Copy to this list.
14244 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14246 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
14247 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
14248 redundant bitmap.h.
14250 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
14252 * flow.c (compute_flow_dominators): No longer treat basic block 0
14253 or (n_basic_blocks - 1) specially. Clear the AUX field before
14254 starting computation of doms/pdoms. Fix initial state for pdoms.
14256 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14258 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
14259 match rtl.o's: added ggc.h and toplev.h
14260 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
14261 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
14262 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
14264 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
14266 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
14267 from HAVE_DOS_BASED_FILESYSTEM.
14268 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
14269 HAVE_DOS_BASED_FILESYSTEM.
14271 (split_directories): Only special-case DOS file names if
14272 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
14273 instead of explicit tests. Conditionalize on !VMS.
14274 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
14275 tests. Conditionalize on !VMS.
14276 (process_command): Only use make_relative_prefix if !VMS.
14277 (free_split_directories): Conditionalize on !VMS.
14278 (DIR_UP): Conditionalize on !VMS.
14280 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
14282 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
14284 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
14286 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
14289 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
14291 * invoke.texi (Environment Variables): Document relative path
14293 * gcc.c (DIR_UP): If not defined, define as "..".
14294 (standard_bindir_prefix): New static, holds target location to
14296 (split_directories): New function to split a filename into
14297 component directories.
14298 (free_split_directories): New function, release memory allocated
14299 by split_directories.
14300 (make_relative_prefix): New function, make a relative pathname if
14301 the compiler is not in the expected location.
14302 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
14303 can figure out an appropriate prefix from argv[0].
14304 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
14305 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
14306 STANDARD_BINDIR_PREFIX.
14308 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14310 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
14312 * config/c4x/c4x.h: Moved prototypes to c4x.h.
14313 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
14314 c4x_secondary_memory_needed) Delete.
14315 (fp_zero_operand): Add mode argument.
14317 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
14319 * reload1.c (reload_reg_free_for_value_p): Don't use a register
14320 that is in reload_reg_used.
14322 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
14324 * config/arm/arm-protos.h: New file: Prototypes for functions
14325 defined in arm.c and pe.c.
14326 * config/arm/arm.h: Fix compile time warnings.
14327 * config/arm/arm.c: Fix compile time warnings.
14328 * config/arm/pe.h: Fix compile time warnings.
14329 * config/arm/aout.h: Fix compile time warnings.
14331 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
14333 * config/m32r/m32r-protos.h: New file: Prototypes for functions
14336 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
14337 Add support for subtargets.
14338 Add prototypes for new predicates.
14339 Add scheduling macros.
14341 * config/m32r/m32r.c: Fix compile time warnings.
14342 (int8_operand): New predicate function.
14343 (reg_or_cmp_int16_operand): New predicate function.
14344 (extend_operand): New predicate function.
14345 (m32r_adjust_code): New scheduling function.
14346 (m32r_adjust_priorty): New scheduling function.
14347 (m32r_sched_init): New scheduling function.
14348 (m32r_sched_reorder): New scheduling function.
14349 (m32r_sched_variable_issue): New scheduling function.
14350 (direct_return): New codegen function.
14351 (m32r_not_same_reg): New rtl testsing function.
14353 * config/m32r/m32r.md: Fix compile time warnings.
14354 Add support for pre decrement and post increment memory
14356 Add S<cc> patterns.
14359 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14361 * global.c (EXECUTE_IF_CONFLICT): Don't define.
14362 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
14363 (find_reg): Likewise.
14365 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
14367 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
14368 to avoid assembler errors.
14370 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
14372 * config/v850/v850-protos.h: New file: Prototypes for functions
14374 * config/v850/v850.h: Move prototypes to v850-protos.h
14375 * config/v850/v850.c: Move prototypes to v850-protos.h
14376 * config/v850/v850.md: Fix compile time warnings.
14378 * config/fr30/fr30-protos.h: New file: Prototypes for functions
14380 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
14381 * config/fr30/fr30.c: Fix compile time warnings.
14382 * config/fr30/fr30.md: Fix compile time warnings.
14384 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
14386 * tree.h (get_containing_scope): Declare it.
14387 * tree.c (get_containing_scope): New fucntion.
14388 (decl_function_context): Use it.
14389 * toplev.c (rest_of_compilation): Use get_containing_scope.
14391 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14393 * Makefile.in (rtl.o): Depend on toplev.h.
14395 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
14397 * cse.c (delete_trivially_dead_insns): Replace alloca with
14399 * except.c (update_rethrow_references): Likewise.
14400 (init_eh_nesting_info): Likewise.
14401 * function.c (identify_blocks): Likewise.
14402 * gcse.c (dump_hash_table): Likewise.
14403 * graph.c (print_rtl_graph_with_bb): Likewise.
14404 * loop.c (combine_movables): Likewise.
14405 (move_movables): Likewise.
14406 (count_loop_regs_set): Likewise.
14407 (strength_reduce): Likewise.
14408 * profile.c (compute_branch_probabilities): New function, split
14410 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
14411 * regclass.c (regclass): Likewise.
14412 * regmove.c (regmove_optimize): Likewise.
14413 * toplev.c (compile_file): Likewise.
14414 (main): Don't mess with the stack rlimit.
14416 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
14418 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
14419 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
14421 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
14423 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
14425 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
14427 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
14428 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
14431 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
14433 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
14435 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
14437 * gcse.c (post_dominators): Kill.
14438 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
14439 (compute_code_hoist_data): Use compute_flow_dominators. Do not
14440 pass in a pdom array since we do not need pdoms.
14441 * haifa-sched.c (schedule_insns): Similarly.
14442 * flow.c (compute_dominators): Remove dead function.
14443 (compute_flow_dominators): Do not compute doms or pdoms if the
14444 caller does not request them. Split up loop to build doms and
14445 pdoms. Use a worklist to compute doms and pdoms.
14446 * basic-block.h (compute_dominators): Remove prototype.
14448 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
14450 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
14451 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
14452 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
14453 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
14454 (cant_move, fed_by_spec_load, is_load_insn): Remove.
14455 (schedule_region): Remove unused variable.
14456 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
14458 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
14460 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
14461 (update_equiv_regs): Likewise.
14462 (block_alloc): Likewise.
14463 * reg-stack.c (reg_to_stack): Likewise.
14464 (convert_regs_2): Likewise.
14465 * reload1.c (reload_as_needed): Likewise.
14467 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
14469 * Makefile.in (dbxout.o): Depend on ggc.h.
14470 (dwarf2out.o): Likewise.
14471 (xcoffout.o): Likewise.
14472 * dbxout.c: Include ggc.h.
14473 (dbxout_init): Register lastfile as a root.
14474 * dwarf2out.c: Include ggc.h.
14475 (dwarf2out_line): Register lastfile as a root.
14476 * xcoffout.c: Include ggc.h.
14477 (xcoffout_source_line): Register xcoff_lastfile as a root.
14479 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
14481 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
14483 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
14485 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
14487 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
14489 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14491 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
14492 (EXECUTE_IF_CONFLICT): Likewise.
14493 (ALLOCNO_LIVE_P): Avoid signed division.
14494 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
14495 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
14496 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
14498 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
14500 * haifa-sched.c (schedule_block): Don't crash if there's no
14501 next insn for an interblock movement.
14502 (add_branch_dependences): Don't allow clobber insns to move either.
14504 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
14506 * i386.c (split_xf): New.
14507 * i386-protos.h: Declare it.
14508 * i386.md (movxf_1): Add general regs alternatives.
14509 (movxf_1+1): New splitter for same.
14511 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
14513 * function.c (purge_addressof_1): Add missing return values.
14515 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
14517 * function.c (is_addressof): New function. Returns true if
14518 the given piece of RTL is an ADDRESSOF.
14519 (purge_addressof_1): Make boolean. Return false if the
14520 ADDRESSOFs could not be purged.
14521 (purge_addressof): If ADDRESSOFs could not be purged from the
14522 notes attached to an insn, remove the offending note(s),
14523 unless they are attached to a libcall.
14525 1999-11-05 Andreas Jaeger <aj@suse.de>
14527 * genoutput.c (null_operand =): Initialize all fields.
14529 * errors.h: Add extern to prototypes.
14531 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
14533 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
14534 * configure: Rebuilt.
14536 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14538 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
14539 (mirror_conflicts): New function.
14540 (global_alloc): Call it.
14541 (expand_preferences): Remove redundant CONFLICTP test.
14542 (find_reg, dump_conflicts): Likewise.
14543 (prune_preferences): Process conflicts one word at a time.
14545 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
14547 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
14548 instead of an explicit loop.
14550 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
14552 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
14553 if REG_RETVAL check succeeds, then put classp in src_elt.
14555 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
14557 * function.c (pad_to_arg_alignment): Only update argument_pad
14558 if the argument's alignment is greater than STACK_BOUNDARY.
14560 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
14562 * bitmap.h (BITMAP_XFREE): New.
14563 * flow.c (life_analysis): Use it.
14564 (life_analysis_1): Free blocks.
14566 * combine.c (undo_commit): New.
14567 (try_combine): Use it. Don't zap undobuf.undos.
14568 (combine_instructions): Don't zap undobuf.undos; free the
14569 undobuf.frees list.
14571 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
14573 * stmt.c (cost_table_): New.
14574 (estimate_case_costs): Use it instead of xmalloc.
14576 * toplev.c (compile_file): Reuse dumpname memory instead
14579 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
14581 * reg-stack.c (convert_regs_1): Initialize target_stack->top
14582 after verifying an EH edge.
14584 * haifa-sched.c (init_rgn_data_dependences): Correctly
14585 size bb_pending_lists_length when zeroing.
14587 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
14589 * function.c (diddle_return_value): New.
14590 (expand_function_end): Use it.
14591 * stmt.c (expand_null_return): Likewise.
14592 (expand_value_return): Likewise.
14594 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
14596 * reload1.c (reload): Don't remove return value clobbers.
14598 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
14600 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
14602 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
14604 * cse.c (cse_main): Use xmalloc, not alloca.
14605 (cse_basic_block): Likewise.
14606 * local-alloc.c (local_alloc): Likewise.
14608 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
14609 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14611 * rtl.c: Include toplev.h.
14612 (fatal): Remove declaration.
14614 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
14616 * haifa-sched.c (schedule_block): Fix thinko.
14618 1999-11-03 James McKelvey <mckelvey@fafnir.com>
14620 * fixinc/fixincl.c(create_file): Allow for systems that do not have
14621 S_IR* defined values
14623 1999-11-03 Philippe De Muyter <phdm@macqel.be>
14625 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
14626 call `malloc' instead.
14628 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
14630 * flags.h (flag_renumber_insns): Declare.
14631 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
14633 * rtl.h (renumber_insns): Change prototype.
14634 * toplev.c (flag_renumber_insns): Define.
14635 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
14637 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
14639 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
14640 and fpsqrtd. Use them and create fdiv function unit to more
14641 accurately represent fpu sqrt pipeline semantics on UltraSparc.
14642 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
14644 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
14646 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
14648 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
14649 insn into ready list, do not use just a raw swap.
14651 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
14653 * rtl.h (renumber_insns): New function.
14654 (remove_unnecessary_notes): Likewise.
14655 * emit-rtl.c (renumber_insns): Define.
14656 (remove_unncessary_notes): Likewise.
14657 * toplev.c (rest_of_compilation): Remove dead code.
14658 Use renumber_insns and remove_unncessary_notes.
14660 * gcse.c (struct null_pointer_info): New type.
14661 (get_bitmap_width): New function.
14662 (current_block): Remove.
14663 (nonnull_local): Likewise.
14664 (nonnull_killed): Likewise.
14665 (invalidate_nonnull_info): Take a null_pointer_info as input.
14666 (delete_null_pointer_checks_1): New function.
14667 (delete_null_pointer_checks): Use it.
14669 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
14670 (split_edges): Likewise.
14671 (schedule_block): Likewise.
14672 (compute_block_backward_dependencies): Likewise.
14673 (schedule_region): Likewise.
14674 (schedule_insns): Likewise.
14676 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
14678 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
14679 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
14680 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
14681 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
14682 * jump.c (delete_unreferenced_labels): Don't delete if
14683 LABEL_ALTERNATE_NAME is set.
14684 * print-rtl.c (print_rtx): Dump alternate name.
14685 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
14686 * rtl.h (LABEL_ALTERNATE_NAME): Define.
14687 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
14688 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
14690 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14692 * fix-header.c (recognized_extern, recognized_function): Constify
14695 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
14696 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14697 (compute_available): Remove unused variable `last'.
14698 (compute_nearerout): Remove unused variable `temp_bitmap'.
14699 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
14700 Remove unused variable `x'.
14702 * scan.h (recognized_function, recognized_extern): Constify a
14705 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
14707 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14709 * varasm.c (decode_rtx_const): Use XSTR to access the string
14712 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
14714 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
14716 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14718 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
14720 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
14722 * pa.c (ireg_operand): New function.
14723 * pa.h (PREDICATE_CODES): Handle ireg_operand.
14724 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
14725 Fix out of date comment.
14727 * pa.md (negdi2): Turn into expander + anonymous pattern.
14729 * reload.c (find_reloads): Fix typos in recent change.
14731 * dwarf2out.c: Do not include ctype.h.
14733 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14735 * regclass.c (record_reg_classes): Always use may_move_cost when
14736 seeing how operand fits with various register classes.
14738 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
14740 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
14741 * toplev.c: Revert Nov 1 13:22 change.
14743 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
14745 * config/pa/pa.md (height reduction patterns): Add checks for
14746 overlapping operands to avoid semantic-destroying splits for
14747 height reduction patterns.
14749 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14751 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
14752 have been an hyphen, fixed.
14753 * configure: Rebuilt.
14755 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
14757 * config/arm/tpe.h: Add prototypes for exported functions.
14758 * config/arm/pe.c: Fix compile time warnings.
14759 * config/arm/semi.h: Fix compile time warnings.
14760 * config/arm/arm.c: Fix compile time warnings.
14761 * config/arm/arm.h: Fix compile time warnings.
14762 * config/arm/arm.md: Fix compile time warnings.
14763 * config/arm/thumb.c: Fix compile time warnings.
14764 * config/arm/thumb.h: Fix compile time warnings.
14765 * config/arm/thumb.md: Fix compile time warnings.
14767 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
14769 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
14772 * unroll.c (unroll_loop): Remove LOOP notes when loop is
14773 completely unrolled.
14775 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14777 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
14779 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
14781 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
14782 * rtl.h (rtx_equal_p): Move prototype.
14783 * rtl.c (rtx_equal_function_value_matters): Move from
14785 (rtx_equal_p): Likewise.
14786 * rtlanal.c (rtx_equal_function_value_matters): Delete.
14787 (rtx_equal_p): Likewise.
14789 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
14791 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
14792 ! HAS_INIT_SECTION.
14794 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
14796 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
14798 * pa.h (ADDR_VEC_ALIGN): Define.
14800 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
14801 notes when presented with "if (foo) break; end_of_loop" and
14802 the break sequence gets moved out of the loop.
14804 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
14805 Remove explicit zero initializations of entries within MAP.
14807 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
14809 * reg-stack.c (convert_regs_1): Handle EH edges specially.
14811 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
14813 * bitmap.h (BITMAP_XMALLOC): New macro.
14814 * flow.c (CLEAN_ALLOCA): Remove.
14815 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
14816 (life_analysis): Likewise.
14817 (update_life_info): Don't use CLEAN_ALLOCA.
14818 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
14819 (calculate_global_regs_live): Likewise.
14820 (print_rtl_with_bb): Likewise.
14821 (verify_flow_info): Likewise.
14822 * global.c (global_alloc): Likewise.
14823 (global_conflicts): Likewise.
14824 * integrate.c (save_for_inline_nocopy): Likewise.
14825 (expand_inline_function): Likewise.
14826 * jump.c (jump_optimize_1): Likewise.
14827 (duplicate_loop_exit_test): Likewise.
14828 (thread_jumps): Likewise.
14829 * loop.c (loop_optimize): Likewise.
14830 (combine_givs): Likewise.
14831 (recombine_givs): Likewise.
14832 * reorg.c (dbr_schedule): Likewise.
14833 * unroll.c (unroll_loop): Likewise.
14835 * combine.c (combine_instructions): Use xmalloc instead of alloca.
14837 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
14839 * toplev.c (rest_of_compilation): Don't optimize the CFG
14840 when rebuilding, just before dbr.
14842 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14844 * output.h (assemble_end_function, assemble_destructor,
14845 assemble_constructor, assemble_gc_entry, assemble_global,
14846 assemble_label, output_constant_pool) Constify a char*.
14848 * varasm.c (assemble_destructor, assemble_constructor,
14849 assemble_gc_entry, assemble_end_function, assemble_global,
14850 assemble_label, output_constant_pool): Likewise.
14852 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
14854 * config/arm/thumb.c (thumb_expand_prologue): Add comments
14855 explaining what is goin on in this function.
14857 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14859 * regclass.c (record_reg_classes): In matching case, recompute
14860 costs since the direction of movement is different.
14862 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14864 * resource.c (mark_target_live_regs): For unconditional branches,
14865 the resources found at the branch target should be added to the
14866 resources found so far, not intersected.
14868 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
14870 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
14872 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
14873 (sys/mman.h): Include this file only if #HAVE_MMAP.
14874 (run_compiles): Initialize `esac_fmt' with one old KR string, not
14875 with automatically concatenated ANSI strings.
14877 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
14879 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
14880 (DIV_ROUND_UP): Robustify.
14881 (ggc_recalculate_in_use_p): New function.
14882 (release_pages): Don't inline it.
14883 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
14885 (ggc_pop_context): Use ggc_recalculate_in_use_p.
14886 (clear_marks): Always save in_use_p.
14887 (sweep_pages): Use ggc_recalculate_in_use_p.
14888 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
14889 Release pages before counting statistics.
14891 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
14893 * toplev.c (rest_of_compilation): Fix thinko in this change:
14895 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
14897 (rest_of_compilation): If inside an inlined external function,
14898 pretend we are just being declared.
14900 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
14902 * flow.c (calculate_global_regs_live): Fix thinko.
14904 * integrate.c (expand_inline_function): Fix bugs in previous
14905 change from Oct 28, 1999.
14907 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
14909 * stmt.c (expand_value_return): Fix typo in this change:
14911 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14912 (expand_value_return): Correctly convert VAL when promoting function
14913 return; support RETURN_REG being a PARALLEL.
14915 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
14917 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
14919 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14921 * hard-reg-set.h (reg_names): Constify a char*.
14923 * regclass.c (reg_names): Likewise.
14925 * regs.h (reg_names): Likewise
14927 * a29k/a29k.c (reg_names): Delete declaration.
14929 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
14931 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
14932 arc_output_function_epilogue): Likewise.
14934 * elxsi/elxsi.c (reg_names): Likewise.
14936 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
14938 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
14941 * m88k/m88k.c (output_function_profiler): Likewise.
14943 * sparc/sparc.c (sparc_flat_output_function_prologue,
14944 sparc_flat_output_function_epilogue): Likewise.
14946 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
14948 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
14949 warning from -Wuninitialized and put it under -W.
14950 * function.c (uninitialized_vars_warning): Warn only when the
14951 corresponding flag is set.
14953 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
14955 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
14956 is nonzero and the single set does not have an elt, then assign
14959 * simplify-rtx.c: New file.
14960 * Makefile.in (OBJS): Add simplify-rtx.o
14961 (simplify-rtx.o): Add dependencies.
14962 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
14963 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
14964 (cse_gen_binary, simplify_unary_operation): Delete.
14965 (simplify_binary_operation, simplify_plus_minus): Likewise.
14966 (check_fold_consts, simplify_relation_operation): Likewise.
14967 (simplify_ternary_operation): Likewise.
14968 (delete_trivially_dead_insns): Simplify the contents of the
14969 REG_EQUAL note before trying to substitute it into the source
14970 of the reg-reg copy at the end of a libcall sequence.
14972 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
14973 references/callers changed.
14975 * mn10200.c (mn10200_va_arg): Force the return value into a
14978 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
14980 * cccp.c (macroexpand): Avoid out of range accesses for omitted
14983 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
14985 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
14987 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
14989 * fold-const.c (fold): Fix thinko when optimizing comparisons
14992 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
14994 * gcc.texi (Passes): Update front-end files to their current
14997 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
14999 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15000 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15001 (PREDICATE_CODES): Add addition_operation.
15002 * alpha-protos.h (addition_operation): Declare.
15003 (secondary_reload_class): Likewise.
15004 * alpha.c (addition_operation): New.
15005 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15006 * alpha.md (adddi3): Turn into expander.
15007 (*lda, *adddi_2): New.
15008 (movsf, movdf patterns): Don't preference integer regs.
15009 (movsi, movdi patterns): Don't preference fp regs.
15011 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15013 * genrecog.c (write_switch): Check for duplicate CODE cases.
15015 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15017 * ggc-common.c: Update pre-function commentary.
15018 * ggc-page.c: Likewise.
15020 (poison_pages): Use memset directly.
15021 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15022 (ggc_collect): Poison before sweeping.
15023 * ggc-simple.c: Update pre-function commentary.
15024 (ggc_alloc_obj): Poison non-zeroed memory.
15026 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15028 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15029 match format string, even on 64-bit hosts.
15030 * gcc-page.c (ggc_page_print_statistics): Likewise.
15032 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15034 * config/i386/i386.c (ix86_cpu): Revert last patch.
15035 * config/i386/i386.h (ix86_cpu): Ditto.
15037 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15039 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15040 TYPE_SIZE, convert type of result to sizetype.
15042 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15044 * flow.c (count_or_remove_death_notes): Equate NULL with the
15047 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15048 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15051 * i386.c (pic_label_no): Delete.
15052 (ix86_attr_length_default): Don't use single_set to peek
15055 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15056 the first insn after bb->end.
15057 * i386.md (push mem peeps): Scratch is live after evaluation
15059 (cmp mem peep): Similarly.
15061 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15063 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15064 * function.c (pad_to_arg_alignment): Add missing braces.
15066 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15068 * alpha/alpha-protos.h (literal_section): Add prototype.
15069 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15072 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15074 (alpha_start_function, alpha_end_function, float_strings,
15075 alpha_need_linkage): Constify a char*
15077 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15079 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15081 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15083 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15085 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15087 * flow.c (debug_flow_info): Add prototype.
15089 * gcc.c (main): Likewise.
15091 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15094 * reload1.c (failed_reload, set_reload_reg): Likewise.
15096 * mips-tfile.c (main): Likewise.
15097 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15098 with ATTRIBUTE_NORETURN.
15100 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15102 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15103 DECL is not a memory ref.
15105 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15107 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15108 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15110 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15112 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15113 * config/mips/elf64.h: ditto.
15115 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15117 * expr.c (emit_push_insn): New argument alignment_pad.
15118 Update all callers. Adjust stack pointer based on alignment pad.
15119 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15120 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15121 (locate_and_pad_parm): New argument alignment_pad. Update all
15123 * expr.h (emit_push_insn): Update prototype.
15124 (locate_and_pad_parm): Update prototype.
15125 * calls.c (arg_data): Add new field alignment_pad.
15126 (initialize_argument_information): Initialize alignment_pad.
15128 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15130 * except.c (free_eh_nesting_info): Free the info itself.
15131 * function.c (free_after_compilation): Don't free NULL.
15132 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15133 (pre_edge_insert): Free inserted.
15134 * stmt.c (free_stmt_status): Don't free NULL.
15136 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15138 * gcov.c (DIR_SEPARATOR): Provide default.
15139 (output_data): Add test for MS-DOS format absolute filename.
15140 (fancy_abort): Correct program name.
15141 (open_files): Open all files in binary mode.
15142 * libgcc2.c (__bb_exit_func): Likewise.
15144 * profile.c (init_branch_prob): Specify binary when opening files.
15146 * flags.h (flag_unwind_tables): New decl.
15147 * toplev.c (flag_unwind_table): New definition.
15148 (f_options): Add -funwind-tables.
15149 (decode_g_option): Clarify warning when unknown -g option is given.
15150 (rest_of_compilation): If inside an inlined external function,
15151 pretend we are just being declared.
15153 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
15154 (dwarf2out_frame_finish): Likewise.
15156 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
15158 * fold-const.c (merge_ranges): If not in0, but in1, handle
15159 upper bounds equal like subset case.
15161 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
15163 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
15164 passed in a register but moved to the stack.
15166 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
15168 * gcc.c (pass_exit_codes, greatest_status): New variables.
15169 (struct option_map): Add entry for "--pass-exit-codes".
15170 (execute): Update greatest_status if error.
15171 (display_help): Add documentation for -pass-exit-codes.
15172 (process_command): Handle -pass-exit-codes.
15173 (main): Look at pass_exit_codes and greatest_status on call to exit.
15175 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15177 * reload.c (find_reloads): Refine test for no input reload
15178 case to not includes reloads emitted after insn.
15180 * function.c (find_temp_slots_from_address): Handle sum involving
15181 a register that points to a temp slot.
15182 (update_temp_slot_address): Make recursive call if both old and
15183 new are PLUS with a common operand.
15184 * calls.c (expand_call): Mark temp slot for result as having
15187 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
15189 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
15190 component as well as "BINUTILS".
15192 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
15193 * integrate.c (copy_rtx_and_substitute): Likewise.
15194 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
15195 All callers changed.
15196 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
15198 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
15199 gdb extensions, write size of type; also be more consistent
15200 in using references when this is a subtype.
15202 * pa.md (extv, extzv, insv): Use define_expand to reject constant
15203 that is out of range.
15205 * loop.c (unknown_constant_address_altered): New variable.
15206 (prescan_loop): Initialize it.
15207 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
15208 (invariant_p, case MEM): Remove handling for volatile and readonly;
15209 check new variable if readonly.
15210 (check_dbra_loop): Chdeck unknown_constant_address_altered.
15212 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
15213 (addr_affects_sp_p): Removed from note_mem_written and only
15214 define #ifdef AUTO_INC_DEC.
15216 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
15218 * regclass.c (record_reg_classes): Properly handle register move
15221 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
15222 Don't think valid if both operands are invalid.
15223 (struct constant_descriptor): New field RTL.
15224 (mark_const_hash_entry): Mark it.
15225 (record_constant{,_rtx}): Initialize it.
15226 (output_constant_def): Allocate RTL in permanent obstack and
15228 ({record,compare}_constant_1): Modes must match for
15229 CONSTRUCTOR of ARRAY_TYPE.
15231 * c-common.h (initializer_constant_valid_p): Delete decl from here.
15232 * output.h (initializer_constant_valid_p): Move decl to here.
15233 * c-common.c (initializer_constant_valid_p): Delete function from here.
15234 * varasm.c (initializer_constant_valid_p): Move function to here.
15236 * tree.h (STRIP_SIGN_NOPS): New macro.
15237 * fold-const.c (optimize_minmax_comparison): New function.
15238 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
15239 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
15240 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
15241 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
15242 widening conversions.
15243 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
15244 to look at size of mode, not precision of type; also add missing cases.
15245 (optimize_bit_field_compare, decode_field_reference): Don't try to
15246 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
15248 * dwarf2out.c (ctype.h): Include.
15249 (dwarf2out_set_demangle_name_func): New function.
15250 (size_of_line_info): Deleted.
15251 (output_line_info): Compute size of line info table from difference
15253 (base_type_die, add_name_attribute): Call demangle function, if any.
15254 (field_byte_offset): Use bits per word for variable length fields.
15255 (gen_array_type_die): Add array name.
15256 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
15257 (dwarf2out_add_library_unit_info): New function.
15259 * explow.c (set_stack_check_libfunc): New function.
15260 (stack_check_libfunc): New static variable.
15261 (probe_stack_range): Allow front-end to set up a libfunc to call.
15263 * combine.c (simplify_comparison): When making comparison in wider
15264 mode, check for having commuted an AND and a SUBREG.
15265 (contains_muldiv): New function.
15266 (try_combine): Call it when dividing a PARALLEL.
15267 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
15268 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
15270 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
15271 use one of the CLOBBERs instead.
15272 (if_then_else_cond): If comparing against zero, just return thing
15275 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
15276 Don't generate shifts and subtract if have conditional arithmetic.
15278 * rtl.h (delete_barrier): New declaration.
15279 * jump.c (jump_optimize): Set up to handle conditional call.
15280 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
15281 (delete_barrier): New function.
15283 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
15285 * recog.c (nonmemory_operand): Accept ADDRESSOF.
15287 * tree.c (build_type_attribute_variant): Push to obstack of
15288 ttype around type_hash_canon call.
15290 * expr.c (placeholder_list): Move decl to file scope.
15291 (expand_expr): Don't force access to volatile just because its
15293 If ignoring reference operations, just expand the operands.
15294 (expand_expr, case COMPONENT_REF): Propagate
15295 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
15296 Refine test for using bitfield operations vs pointer punning.
15297 (expand_expr, case CONVERT_EXPR): If converting to
15298 BLKmode UNION_TYPE from BLKmode, just return inner object.
15299 Use proper mode in store_field call.
15300 Properly set sizes of object to store and total size in store_field
15301 call for convert to union.
15302 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
15303 memory (like for ADDR_EXPR). Also, don't put constant in register if
15304 we'll want it in memory.
15305 (readonly_fields_p): New function.
15306 (expand_expr, case INDIRECT_REF): Call it if LHS.
15307 (expand_assignment): Handle a RESULT_DECL where
15308 DECL_RTL is a PARALLEL.
15309 (do_jump, case WITH_RECORD_EXPR): New case.
15310 (get_inner_reference): Always go inside a CONVERT_EXPR
15311 and NOP_EXPR if both modes are the same.
15312 (store_field): Use bitfield operations if size of bitsize is not same
15313 as size of RHS's type.
15314 Check for bitpos not a multiple of alignment in BLKmode case.
15315 Do block move in largest possible alignment.
15316 (store_constructor): Set BITSIZE to -1 for variable size and properly
15317 in case of array of BLKmode.
15318 (expand_expr_unaligned): New function.
15319 (do_compare_and_jump): Call it.
15321 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
15322 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
15323 does not include 'o'.
15325 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
15326 both SET_DEST and SET_SRC reference a virtual register.
15327 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
15329 * integrate.c (expand_inline_function): Handle case of setting
15330 virtual stack vars register (from built in setjmp); when parameter
15331 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
15332 (subst_constant): Add new parm, MEMONLY.
15333 (expand_inline_function, integrate_parm_decls): Pass new parm.
15334 (integrate_decl_tree): Likewise.
15335 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
15336 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
15337 (copy_rtx_and_substitute, case SET): Add explicit calls to
15338 copy_rtx_and_substitute for both sides.
15340 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
15342 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
15343 within INDEX_TYPE, instead of before.
15344 (fixup_gotos): Use f->target_rtl, not the next insn,
15345 since latter may be from a later fixup.
15346 (expand_value_return): Correctly convert VAL when promoting function
15347 return; support RETURN_REG being a PARALLEL.
15348 (expand_return): When checking for result in regs and having
15349 cleanup, consider PARALLEL in DECL_RTL as being in regs.
15351 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
15353 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
15354 last_nominal_fname): Mark const.
15355 (struct include_hash: name, nshort, control_macro): Mark
15357 (struct macrodef: symnam): Mark const.
15358 (struct if_stack: fname): Mark const.
15359 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
15360 (IStable): New character-syntax array which encompasses all
15361 the old is_foo arrays.
15362 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
15363 is_space): New macros for interrogating IStable.
15364 (check_macro_name): Kill last argument. All callers changed.
15366 * cppinit.c (initialize_char_syntax): Delete.
15367 (is_idchar, is_idstart, is_hor_space, is_space,
15368 trigraph_table): Delete.
15369 (IStable): New. Initialize with clever macros to avoid
15370 information duplication.
15371 (builtin_array): Table of builtins to get rid of explicit list
15372 in initialize_builtins.
15373 (initialize_builtins): Use builtins_array.
15374 (cpp_start_read): Call init_IStable, and set IStable['$'] if
15375 opts->dollars_in_ident.
15377 * cppexp.c: Change all refs to is_xyz[] arrays to use new
15379 (cpp_parse_expr): Avoid 'format string is not constant'
15380 warning. Use ISGRAPH to identify printable chars.
15381 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
15383 (read_and_prescan): Map trigraphs to chars with open-coded
15384 if-else-if-... sequence, not a lookup table.
15385 * cpphash.c: Change all refs to is_xyz[] arrays to use new
15387 * cpplib.c: Change all refs to is_xyz[] arrays to use new
15388 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
15389 (check_macro_name): Remove ability to report an invalid
15390 assertion name, which is never used.
15391 (do_line): Constify a couple of char *'s.
15392 * cppmain.c (main): Call cpp_cleanup before returning.
15394 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
15396 * ggc.h (struct ggc_statistics): New type.
15397 (ggc_get_size): New function.
15398 (ggc_print_statistics): Likewise.
15399 * ggc-common.c (ggc_stats): New variable.
15400 (ggc_mark_rtx_children): Keep statistics.
15401 (ggc_mark_tree_children): Likewise.
15402 (ggc_print_statistics): New function.
15403 * ggc-page.c (struct globals): Add bytes_mapped field.
15404 (alloc_anon): Update it.
15405 (release_pages): Likewise.
15406 (ggc_get_size): New function.
15407 (ggc_page_print_statistics): New function.
15408 * ggc-simple.c (ggc_get_size): New function.
15410 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
15412 * flow.c (propagate_block): When the last reference to a label
15413 before an ADDR_VEC is deleted because the reference is a dead
15414 store, delete the ADDR_VEC.
15416 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
15418 * resource.c (find_free_register): Don't use the frame pointer
15419 if frame_pointer_needed.
15421 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
15423 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
15424 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
15426 * config/i960/i960.c (i960_va_start): New locals base, num.
15427 Use INDIRECT_REF instead of ARRAY_REF on valist.
15428 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
15430 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
15432 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
15434 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
15436 * tree.def (PLACEHOLDER_EXPR): Update comments.
15438 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15440 * c-common.c (check_format_info): Avoid non-literal format string
15441 warnings when `first_arg_num' is zero.
15443 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15445 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
15447 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
15449 * arm.md (casesi_insn): Add a clobber of the condition code
15452 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
15454 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
15455 used by both cc1 and cc1plus.
15457 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
15459 * config/arm/arm.c: Initialise arm_structure_size_boundary to
15460 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
15461 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
15462 to the value 32 if it has not already been defined.
15463 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
15464 Override definition in arm.h with a value of 8.
15466 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
15468 * c-pragma.c (push_alignment): Don't check the return value
15471 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
15473 * sparc.h (ADJUST_COST): Fix thinko.
15475 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
15477 * cccp.c (rescan): Fixed obp pointer handling around call to
15478 check_expand subroutine.
15480 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
15482 * gcse.c (delete_null_pointer_checks): Only record non-null info
15483 for pseudos when examining stores.
15485 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
15486 splitters for these patterns. Use "#" for output templates.
15487 (addsi3_carryin_shift): New pattern.
15489 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
15491 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
15492 of the function return register into a plain REG until
15493 after function inlining is done.
15495 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
15497 * jump.c (jump_optimize_1): If we did cross-jumping, and
15498 the data will matter, rebuild the CFG.
15499 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
15500 not optimizing. Don't run shorten_branches.
15501 * toplev.c (rest_of_compilation): Run shorten_branches after
15504 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
15506 * rtl.h (note_stores): Add additional paramter.
15507 * rtlanal.c (reg_set_p_1): Take additional paramter.
15508 (reg_set_last_1): Likewise.
15509 (reg_set_p): Adjust call to note_stores.
15510 (reg_set_last): Likewise.
15511 (note_stores): Pass data parameter to worker function.
15512 * alias.c (record_set): Take additional parameter.
15513 (init_alias_analysis): Pass it.
15514 * caller-save.c (mark_set_regs): Take additional parameter.
15515 (save_call_clobbered_regs): Pass NULL to note_stores.
15516 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
15518 (record_dead_and_set_regs_1): Likewise.
15519 (reg_dead_at_p_1): Likewise.
15520 (combine_instructions): Adjust calls to note_stores.
15521 (try_combine): Likewise.
15522 (record_dead_insn): Remove.
15523 (record_dead_and_set_regs): Adjust calls to note_stores.
15524 (reg_dead_at_p): Likewise.
15525 * cse.c (invalidate_skipped_set): Take additional parameter.
15526 (cse_check_loop_start): Likewise.
15527 (cse_check_loop_start_value): Remove.
15528 (cse_set_around_loop): Adjust calls to note_stores.
15529 * flow.c (notice_stack_pointer_modification): Take additional
15530 parameter. Remove duplicate declaration.
15531 (record_volatile_insns): Adjust calls to note_stores.
15532 * gcse.c (record_set_info): Take additional parameter.
15533 (record_last_set_info): Likewise.
15534 (invalidate_nonnull_info): Likewise.
15535 (record_set_insn): Remove.
15536 (compute_sets): Adjust calls to note_stores.
15537 (last_set_insn): Remove.
15538 (compute_hash_table): Adjust calls to note_stores.
15539 (insert_insn_end_bb): Likewise.
15540 (delete_null_pointer_checks): Likewise.
15541 * global.c (mark_reg_store): Take additional parameter.
15542 (mark_reg_clobber): Likewise.
15543 (reg_becomes_live): Likewise.
15544 (global_conflicts): Adjust calls to note_stores.
15545 (build_insn_chain): Likewise.
15546 * integrate.c (note_modified_parmregs): Take additional parameter.
15547 (mark_stores): Likewise. Make it static.
15548 (save_for_inline_nocopy): Adjust calls to note_stores.
15549 (try_constants): Likewise.
15550 * integrate.h (mark_stores): Remove declaration.
15551 * jump.c (mark_modified_reg): Take additional parameter.
15552 (thread_jumps): Adjust calls to note_stores.
15553 * local-alloc.c (validate_equiv_mem_from_store): Take additional
15555 (no_equiv): Likewise.
15556 (reg_is_set): Likewise.
15557 (validate_equiv_mem): Adjust calls to note_stores.
15558 (update_equiv_regs): Likewise.
15559 (block_alloc): Likewise.
15560 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
15561 (note_addr_stored): Take additional parameter.
15562 (note_set_pseudo_multiple_uses): Likewise.
15563 (record_initial): Likewise.
15564 (prescan_loop): Adjust calls to note_stores.
15565 (strength_reduce): Likewise.
15566 (check_dbra_loop): Likewise.
15567 * regmove.c (flags_set_1): Take additional paramter.
15568 (mark_flags_life_zones): Adjust calls to note_stores.
15569 * reload1.c (mark_not_eliminable): Take additional parameter.
15570 (forget_old_reloads_1): Likewise.
15571 (reload_cse_invalidate_rtx): Likewise.
15572 (reload_cse_check_clobber): Likewise.
15573 (reload_combine_note_store): Likewise.
15574 (move2add_note_store): Likewise.
15575 (reload): Adjust calls to note_stores.
15576 (reload_as_needed): Likewise.
15577 (emit_reload_insns): Likewise.
15578 (reload_cse_regs_1): Likewise.
15579 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
15580 (reload_combine): Adjust calls to note_stores.
15581 * resource.c (update_live_status): Take additional paramter.
15582 (mark_target_live_regs): Adjust calls to note_stores.
15583 * stupid.c (find_clobbered_regs): Take additional parameter.
15584 (stupid_life_analysis): Adjust calls to note_stores.
15586 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
15588 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
15591 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
15594 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
15595 of the variable arm_structure_size_boundary.
15597 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
15599 * alias.c (init_alias_analysis): Allocate reg_known_value and
15600 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
15602 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
15603 * cse.c (cse_main): Call end_alias_analysis.
15604 * haifa-sched.c (schedule_insns): Likewise.
15605 * local-alloc. (update_equiv_regs): Likewise.
15606 * reload1.c (reload_cse_regs): Likewise.
15608 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15610 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
15611 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
15612 mapping from MASK_FPU.
15614 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
15616 * sparc.md (call): Don't bound structure return size to 0xfff.
15618 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
15620 * resource.c (mark_target_live_regs): Check that the target
15621 insn wasn't created after compute_bb_for_insn.
15623 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
15625 * ggc-page.c (poison_pages): Don't be overzealous.
15627 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
15629 * alias.c: Update comments for ADDRESS.
15630 (nonlocal_reference_p): Look inside the ADDRESS to determine if
15631 it is a local memory reference.
15633 * c-typeck.c (build_function_call): Check that the built-in
15634 function is of class BUILT_IN_NORMAL before trying to recongize
15635 it as BUILT_IN_ABS.
15636 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
15637 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
15639 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
15641 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
15643 (pre_gcse): Likewise.
15644 (hoist_expr_reaches_here_p): Likewise.
15645 (hoist_code): Likewise.
15646 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
15648 (pre_expr_reaches_here_p_work): ... here.
15649 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
15651 (expr_reaches_here_p_work): ... here.
15653 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
15655 * resource.c (find_basic_block): Delete.
15656 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
15657 (init_resource_info): Call compute_bb_for_insn.
15659 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
15661 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
15662 with already adjacent blocks, but no fallthru.
15663 (merge_blocks_move_successor_nojumps): Simplify.
15664 (debug_flow_info): New.
15666 * toplev.c (rest_of_compilation): Open jump1 dump file before
15667 jump and close after, as opposed to just using dump_rtl.
15669 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15671 * reload.h (earlyclobber_operand_p): Declare.
15672 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
15673 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
15674 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
15675 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
15677 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
15678 Richard Henderson <rth@cygnus.com>
15680 * emit-rtl.c (emit_block_insn_before): New.
15681 (emit_block_insn_after): New.
15682 * basic-block.h: Declare them.
15684 * bitmap.h: Protect from multiple inclusion.
15686 * recog.c (scratch_operand): Handle VOIDmode correctly.
15688 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
15690 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
15691 * function.c (assign_parms): Likewise.
15692 * global.c (global_conflicts): Clarify STACK_REGS commentary.
15694 * reg-stack.c (max_uid): Remove.
15695 (blocks, block_begin, block_end, block_drops_in): Remove.
15696 (block_stack_in, block_out_reg_set, block_number): Remove.
15697 (struct block_info_def, BLOCK_INFO): New.
15698 (enum emit_where): New.
15699 (current_block): New.
15700 (BLOCK_NUM): Remove.
15701 (mark_regs_pat, record_label_references): Remove.
15702 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
15704 (goto_block_pat, print_blocks, dump_stack_info): Remove.
15705 (reg_to_stack): Simplified test for existance of fp code. Use
15706 flow.c code. Call shorten_branches after cross-jump opt.
15707 (check_asm_stack_operands): Renamed from record_asm_reg_life.
15708 Return false if the asm doesn't use stack regs. Don't do life
15709 analysis on the asm.
15710 (emit_pop_insn): Replace function pointer arg `when' with
15711 enum `where'. Update all callers.
15712 (change_stack): Likewise. Update basic block end.
15713 (emit_swap_insn): Use current_block->head to limit reverse search
15714 for start of block. Use emit_block_insn_after.
15715 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
15716 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
15717 structure assignment instead of bcopy.
15718 (print_stack): New.
15719 (convert_regs_entry, convert_regs_exit): New.
15720 (convert_regs_1, convert_regs_2): Split out from convert_regs.
15721 Work on basic blocks and the CFG.
15722 (convert_regs): Use them.
15724 * i386.c (output_fix_trunc): Remove code for DImode input operand
15725 not at top-of-stack.
15726 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
15728 (fix_truncdi_1): Allow any mode scratch.
15730 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
15732 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
15733 * linux.h, netbsd.h, vms.h: Not here.
15735 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
15737 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
15738 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
15739 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
15740 CONDITIONAL_REGISTER_USEAGE): Use them.
15741 * config/mips/mips.c (mips_move_1word,mips_move_2words,
15742 gen_conditional_branch,override_options) : Use them.
15743 * config/mips/mips.md : Use them.
15745 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
15747 * i386.md (zero_extendqihi2): Use SImode register name with andl.
15749 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
15751 * integrate.c (function_cannot_inline_p): Don't allow inlining
15754 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15756 * c-parse.in (cast_expr): Constify.
15758 * cccp.c (special_symbol): Likewise.
15760 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
15762 * dwarf2out.c (base_type_die): Likewise.
15764 * global.c (allocno_compare): Likewise.
15766 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
15768 * regclass.c (fix_register): Likewise.
15770 * rtl.h (fix_register): Likewise.
15772 * stupid.c (stupid_reg_compare): Likewise.
15774 * toplev.c (decode_f_option): Likewise.
15776 * tree.c (build_complex_type): Likewise.
15778 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
15780 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
15782 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15784 * reload.c (find_reloads): Compute mode and nregs fields of all
15786 * reload1.c (calculate_needs_all_insns): Simplify a bit.
15787 (calculate_needs): Use precomputed mode/nregs values.
15788 (allocate_reload_reg): Likewise.
15790 (failed_reload, set_reload_reg): ... new functions.
15791 (choose_reload_regs_init): New function, mostly broken out from...
15792 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
15793 Also lose one #if 0 block.
15795 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
15797 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
15800 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
15802 * tree.h (BLOCK_TYPE_TAGS): Remove.
15803 (BLOCK_END_NOTE): Likewise.
15804 (BLOCK_LIVE_RANGE_FLAG): Likewise.
15805 (BLOCK_LIVE_RANGE_START): Likewise.
15806 (BLOCK_LIVE_RANGE_END): Likewise.
15807 (tree_block): Remove live_range_flag, live_range_var_flag, and
15808 type_tags. Remove end_note, live_range_start, and live_range_end.
15809 (remember_end_note): Remove prototype.
15810 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
15811 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
15813 * ggc-common.c (ggc_mark_tree_children): Don't mark
15814 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
15815 * integrate.c (adjust_copied_decl_tree): Remove.
15816 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
15817 * stmt.c (last_block_end_note): Remove.
15818 (init_stmt): Don't add a GC root for it.
15819 (expand_fixup): Don't set it.
15820 (remember_end_note): Remove.
15821 (expand_end_bindings): Don't set last_block_end_note.
15823 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15825 * reload1.c (reload_reg_free_for_value_p): Show
15826 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
15829 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
15831 * expmed.c (extract_bit_field): Allow for the case of non-integer
15832 objects that are smaller than a word (like SFmode on a 64-bit
15835 * loop.c (basic_induction_var): A non-integer variable which is
15836 being set by a paradoxical subreg is probably not a biv.
15838 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15840 * prefix.c (translate_name) Check for empty prefix string.
15842 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
15844 * Makefile.in (CPP_CROSS_NAME): New variable.
15845 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
15847 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
15848 names of the files to be uninstalled.
15850 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
15852 * collect2.c (IS_DIR_SEPARATOR): Define.
15853 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
15855 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
15858 * haifa-sched.c (add_dependence): Update the true dependency
15859 cache the first time we add a true dependence to the LOG_LINKS chain.
15861 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
15863 * fold-const.c (fold): Fix comment.
15865 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15867 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
15868 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
15869 dbxout_start_new_source_file, dbxout_source_file,
15870 dbxout_source_line, dbxout_finish, dbxout_type_fields,
15871 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
15873 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
15874 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
15875 (dbxout_block): Initialize variable `blocknum'.
15877 * dbxout.h (dbxout_init, dbxout_finish,
15878 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
15879 dbxout_args, dbxout_source_line): Constify a char*.
15881 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
15882 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
15883 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
15884 low_pc_attribute, high_pc_attribute, body_begin_attribute,
15885 body_end_attribute, comp_dir_attribute, sf_names_attribute,
15886 src_info_attribute, mac_info_attribute, producer_attribute,
15887 lookup_filename, generate_macinfo_entry, fundamental_type_code,
15888 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
15889 dwarfout_undef): Constify a char*.
15890 (add_incomplete_type, retry_incomplete_types): Add prototypes.
15892 * dwarfout.h (dwarfout_define, dwarfout_undef,
15893 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
15895 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
15897 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
15898 (MULTILIB_ISA_DEFAULT): New.
15899 (MULTILIB_DEFAULTS): Use it.
15900 * config/mips/mips.c (): Remove the now unnecessary definition
15901 of MIPS_ISA_DEFAULT.
15902 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
15903 unnecessary definition.
15905 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
15907 * arm.md (pic_load_addr): Add constraints to operand 1.
15909 1999-10-25 Bruce Korb <autogen@linuxbox.com>
15911 * fixinc/genfixes: Provide a means for specifying -D options to
15914 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
15916 * arm.c (arm_override_options): Correct initialization of
15917 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
15918 arm_is_strong, and arm_is_6_or_7.
15920 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
15921 (note_set_pseudo_multiple_uses): New function.
15922 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
15923 if a pseudo set in the loop exit is used elsewhere.
15925 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
15927 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
15929 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
15931 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
15932 a single load-address pattern.
15934 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
15936 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
15937 depending on whether or not line-number notes are present.
15939 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15941 * cccp.c (progname, file_buf, default_include, include_file,
15942 macrodef, definition, hashval, wchar_type, user_label_prefix,
15943 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
15944 expand_to_temp_buffer, is_system_include, base_name,
15945 absolute_filename, read_name_map, open_include_file,
15946 record_control_macro, check_precompiled, check_preconditions,
15947 pcfinclude, pass_thru_directive, create_definition,
15948 check_macro_name, comp_def_part, collect_expansion,
15949 check_assertion, read_token_list, assertion_install,
15950 assertion_lookup, eval_if_expression, conditional_skip,
15951 validate_else, skip_quoted_string, quote_string, macarg1,
15952 error_from_errno, install, lookup, hashf, dump_defn_1,
15953 perror_with_name, pfatal_with_name, main, trigraph_pcp,
15954 check_white_space, rescan, handle_directive, monthnames,
15955 special_symbol, do_include, remap_include_file, write_output,
15956 arglist, do_assert, do_unassert, do_line, do_error, do_once,
15957 do_ident, do_sccs, do_xifdef, skip_if_group,
15958 output_line_directive, macroexpand, macarg, change_newlines,
15959 initialize_builtins, make_definition): Constify a char*.
15961 * pcp.h (stringdef): Likewise.
15963 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
15965 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
15968 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
15969 Richard Henderson <rth@cygnus.com>
15971 * alias.c: Include ggc.h.
15972 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
15973 (record_set): Verify enough room in reg_base_value.
15974 (init_alias_analysis): Allocate reg_base_value with xcalloc.
15975 Register it as a GC root.
15976 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
15977 * Makefile.in (alias.o): Depend on ggc.h.
15979 * unroll.c (unroll_loop): Verify the insn before a barrier
15980 is a JUMP_INSN before checking JUMP_LABEL.
15982 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15984 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
15985 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
15986 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
15987 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
15988 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
15989 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
15991 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15993 * output.h (ctors_section, dtors_section, bss_section): Prototype.
15995 * alpha/alpha-interix.h (text_section): Delete prototype.
15996 * alpha/elf.h (text_section): Likewise.
15997 * arm/linux-elf.h (text_section): Likewise.
15998 * arm/linux-telf.h (text_section): Likewise.
15999 * c4x/c4x.h (text_section): Likewise.
16000 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16001 * elfos.h (text_section): Likewise.
16002 * i386/aix386ng.h (text_section): Likewise.
16003 * i386/i386-interix.h (text_section): Likewise.
16004 * i386/sco5.h (text_section): Likewise.
16005 * i386/svr3gas.h (text_section): Likewise.
16006 * nextstep.h (text_section): Likewise.
16007 * psos.h (text_section): Likewise.
16008 * ptx4.h (text_section): Likewise.
16009 * svr3.h (text_section): Likewise.
16010 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16012 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16014 * final.c (peephole): Delete prototype.
16016 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16017 (pre_insert_copies): Remove unused variable `bb'.
16019 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16022 * output.h (peephole): Add prototype.
16024 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16026 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16029 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16031 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16032 for inlined declarations.
16034 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16036 * arm.c (logical_binary_operator): New fucntion.
16037 * arm.h (logical_binary_operator): Declare it.
16038 (PREDICATE_CODES): Handle logical_binary_operator.
16039 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16040 output constraints. Add appropriate splitters.
16041 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16042 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16043 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16045 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16047 * genoutput.c (struct operand_data): New elt eliminable.
16048 (output_operand_data): Write it.
16049 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16050 (compare_operands): Take it into account.
16051 * recog.h (struct insn_operand_data): New elt eliminable.
16052 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16054 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16055 (eliminate_regs): Move code that detects changes to elimination
16056 target regs into new function elimination_effects.
16057 Delete one #if 0 block.
16058 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16059 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16060 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16061 Only call eliminate_regs for real operands of the insn, not for parts
16062 of its structure or parts matched by things like match_operator.
16063 Use elimination_effects and check_eliminable_occurrences. Use
16064 copy_insn to duplicate the pattern when not in the final pass.
16066 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16068 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16071 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16073 * fixinc/README: document the "mach" machine matching test
16074 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16075 * fixinc/fixtests.c: Implement the #else/#endif label test
16076 * fixinc/inclhack.def: utilize these tests and fixes
16077 * fixinc/inclhack.sh: regen
16078 * fixinc/fixincl.x: regen
16079 * fixinc/fixincl.sh: regen
16081 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16083 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16086 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16088 * gcc.1: Document exit codes.
16090 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16092 * calls.c: Include tm_p.h later, so everything we need is defined.
16093 * expr.c: Likewise.
16094 * function.c: Likewise.
16096 * except.c: Include tm_p.h.
16098 * sparc.c: Likewise.
16099 (dwarf2out_cfi_label): Don't prototype.
16100 (check_return_regs, epilogue_renumber,
16101 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16102 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16103 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16104 ultra_schedule_insn): Add static prototype.
16105 (data_segment_operand, text_segment_operand): Call itself with the
16106 proper number of arguments.
16107 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16109 * sparc.h: Move all declarations to sparc-protos.h.
16110 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16113 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16115 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16117 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16118 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16119 ASM_OUTPUT_ASCII): Constify a char*.
16121 * sparc-protos.h: New file for sparc prototypes.
16123 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16125 * function.c (record_insns, contains): Always declare and define.
16126 (record_insns): Mark with ATTRIBUTE_UNUSED.
16128 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16130 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16131 to .section when outputting a .bss section to deal with multiple
16132 .bss input sections (as happens with -fdata-sections)
16133 Also output %progbits, not @progbits so the assembler doesn't treat as
16135 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16137 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16138 thumb parts even when building with non-thumb CPUs, by forcing
16141 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
16143 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
16144 (movdf_const_intreg_sp64): Similarly.
16146 * local-alloc.c (update_equiv_regs): Check the correct insn
16147 for pre-existing REG_EQUIV notes.
16149 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
16151 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
16152 block reached by a branch if we're not going to actually process
16155 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
16157 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
16158 a local extern function declaration.
16160 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
16162 * i386.c (ix86_expand_prologue): Properly wrap USE around
16163 reg for CALL_INSN_FUNCTION_USAGE.
16165 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
16167 * config/mips/mips.md (movdf_internal1a): Allow floating-point
16168 move between GP_REGs.
16170 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
16172 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
16173 the mode size when finding out if an offset is legal.
16175 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
16177 * basic-block.h (PROP_*): Move constants from ...
16178 * flow.c: ... here.
16179 (compute_bb_for_insn): Free the array before reallocating.
16180 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
16181 (allocate_reg_life_data): Reset all reg variables collected by
16183 (get_block_head_tail): Don't convert from bb to block.
16184 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
16185 (find_insn_reg_weight): Take block not bb.
16186 (schedule_block): Don't set block num for moved insns.
16187 (schedule_region): Don't update_life_info or find_insn_reg_weight.
16188 (schedule_insns): Do it here instead.
16189 * combine.c (combine_instructions): Invoke compute_bb_for_insn
16190 before update_life_info.
16191 * recog.c (split_all_insns, peephole2_optimize): Update for
16192 new arg to update_life_info.
16193 * rtlanal.c (remove_note): Cope with NULL note.
16194 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
16197 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
16199 * jump.c (jump_optimize_1): More accurately detect casesi insns.
16201 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
16202 block records so that merge_blocks_nomove will clean up correctly.
16203 (split_edge): Handle casesi insns.
16205 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
16207 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
16209 * pa.md (call, call_value): Do not emit a blockage after restoring
16212 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
16214 * c-typeck.c (c_expand_asm_operands): Fix typo.
16216 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16218 * arm.c (fpu_rhs_operand): Verify modes.
16219 (fpu_add_operand): Likewise.
16220 (di_operand): Likewise.
16221 (soft_df_operand): Likewise.
16223 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
16225 * arm.c (arm_return_in_memory): APCS rules state that the elements
16226 of a structure returned in a register must be 'integer-like'.
16228 1999-10-19 Bruce Korb <autogen@linuxbox.com>
16230 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
16231 in the source tree when the generated targets are out of date
16232 * fixinc/genfixes: Alter it to run individual fixes for make.
16233 * fixinc/README: rewrite
16234 * fixinc/inclhack.def: moved initial comments to README
16236 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
16238 * toplev.c (main): Do not generate an error message if an
16239 unrecognised command line switch is recognisable by another
16240 language. If extra_warnings are enabled, then generate a
16241 warning message instead.
16243 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
16245 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
16246 (insert_pack_attributes): Delete prototype.
16248 * c-pragma.c (default_alignment): New static variable.
16249 (push_alignment): Initialize to current effective alignment.
16250 (pop_alignment): Use to set new alignment.
16251 (insert_pack_attributes): Delete function.
16252 (handle_pragma_token): Set default_alignment as well each time
16253 a #pragma pack(<n>) is encountered.
16255 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
16257 * reg-stack.c (stack_result): Aggregates are not returned in
16260 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
16262 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
16264 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
16266 * basic-block.h (set_block_num): Declare.
16267 * flow.c (update_life_info): Don't call compute_bb_for_insn
16268 or free_basic_block_vars.
16269 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
16270 (insn_orig_block): Remove.
16271 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
16272 (schedule_block): Keep BLOCK_NUM up-to-date.
16273 (schedule_insns): Use compute_bb_for_insn.
16274 * recog.c (split_all_insns): Likewise.
16275 (peephole2_optimize): Likewise.
16277 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
16279 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
16280 if the pic register is used.
16282 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16284 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
16285 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
16286 if that tests TREE_PERMANENT.
16288 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
16290 * cse.c (invalidate_for_call): Do not remove memory references from
16291 the table here. It's handled elsewhere.
16293 * haifa-sched.c (add_dependence): Protect references to the
16294 true dependency cache with #ifdef INSN_SCHEDULING.
16295 (remove_dependence): Similarly.
16297 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
16298 to the cfg code that this is a return instruction.
16299 * mn10300.md (return_internal): Similarly.
16301 * combine.c (get_last_value): If the last set of a register
16302 is after subst_low_cuid, then we can not use it to determine
16303 the register's last value.
16305 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16307 * Makefile.in: Back out previous change.
16309 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
16311 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
16313 * haifa-sched.c (add_dependence): Only check/update the cache
16315 (remove_dependence): Likewise.
16316 (schedule_insns): Only create the true_dependency_cache if the
16317 average number of instructions in a basic block is very large.
16319 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
16321 * Makefile.in (ggc-common.o): Depend on genrtl.h.
16322 (ggc-simple.o): Likewise.
16323 (ggc-page.o): Likewise.
16325 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
16327 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
16328 Prototype for exported functions.
16329 (pre_lcm, pre_rev_lcm): Remove prototypes.
16330 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
16331 (compute_available): Move to lcm.c, and change parameter order.
16332 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
16333 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
16334 (gcse_main): No longer call compute_preds_succs. Rebuild the
16335 set table after reach pre pass.
16336 (pre_insert_map, pre_delete_map, edge_list): New.
16337 (alloc_pre_mem): Allocate edge vectors.
16338 (free_pre_mem): Delete edge vectors.
16339 (compute_pre_data): Call new edge based lcm routines.
16340 (process_insert_insn): New function.
16341 (insert_insn_end_bb): Use it.
16342 (pre_edge_insert): New function.
16343 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
16345 (pre_insert_copies): Revamp using new edge based lcm outputs.
16346 (pre_delete): Likewise.
16347 (one_pre_gcse_pass): Insert & remove fake edges to the exit
16349 (compute_code_hoist_vbeinout): New new edge based routines.
16350 * lcm.c: Remove all the old LCM functions. Replace with new ones
16351 that work with the new cfg datastructures and work with edges
16354 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16356 * reload.h (struct reload): Add new fields "mode" and "nregs".
16357 * reload1.c: Change all occurrences of reload_mode and reload_nregs
16358 to reference the "mode" and "nregs" field within struct reload.
16360 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
16362 * haifa-sched.c (true_dependency_cache): New.
16363 (add_dependence): Use the true dependency cache to avoid expensive
16364 walks down the LOG_LINKS dependency list. Add entries to the
16365 cache as necessary.
16366 (remove_dependence): Remove entries from the true dependency cache
16368 (schedule_insns): Allocate and initialize and free the true
16371 * haifa-sched.c (schedule_insns): Do not remove inter-block
16372 dependencies anymore.
16374 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
16376 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
16377 * i386/t-winnt: Likewise.
16379 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
16381 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
16383 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
16385 * Makefile.in (LANGUAGES): Omit "proto".
16386 (clean): Remove stale comment about removing unprotoize.c.
16388 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16390 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
16391 using arithmetic on void pointers.
16393 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
16395 * haifa-sched.c (compute_block_forward_dependencies): Only check
16396 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
16398 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
16400 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
16401 (expr_equiv_p): Reject memories with different alias sets.
16403 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
16405 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
16406 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
16407 (f_options): Add "bounded-pointers" and "bounds-check" entries.
16408 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
16409 (lang_init): Set default for flag_bounds_check if still "unspecified".
16411 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16413 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
16415 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16417 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
16420 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16422 * config/c4x/c4x.md (*db_noclobber,
16423 *decrement_and_branch_until_zero_noclobber): New patterns and
16424 associated splitters.
16426 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16428 * config/c4x/c4x.md (parallel instruction patterns): Rework
16429 constraints to keep reload happy.
16431 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16433 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
16434 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
16435 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
16436 Add new patterns and associated post-reload splitters.
16438 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16440 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
16442 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16444 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
16446 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
16448 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16450 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
16453 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
16455 * pa.c (move_operand): Rely on memory_address_p to determine the
16456 validity of non-indexed memory addresses.
16457 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
16458 operand in DFmode and SFmode when generating PA2.0 code.
16460 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
16462 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
16464 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
16466 * mips.c (function_prologue): Fix argument types.
16467 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
16468 (casesi_internal): Write to the scratch register.
16470 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
16472 * cppexp.c (cpp_parse_escape): Make static. Change second arg
16474 (parse_charconst): Delete unnecessary cast when calling
16476 (cpplib.h): Kill prototype of cpp_parse_escape.
16478 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
16480 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
16481 * unroll.c (unroll_loop): Cast return value of alloca.
16482 * i370/i370.c: Include function.h and toplev.h.
16483 (i370_label_scan): Remove c++ commented abort.
16484 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
16485 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
16486 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
16487 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
16489 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
16491 * config/t-freebsd: Do not override USER_H.
16492 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
16494 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
16495 Mumit Khan <khan@xraylith.wisc.edu>
16497 * c-parse.in (component_decl): Support anonymous struct/union.
16499 * c-parse.y: Regenerate.
16500 * c-parse.c: Likewise.
16501 * objc/objc-parse.y: Likewise.
16502 * objc/objc-parse.c: Likewise.
16503 * c-decl.c (finish_struct): Don't sort the fields.
16504 (field_decl_cmp): Delete unused function.
16506 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
16508 * sparc.md (movsf_const_intreg): Revert last constraint change.
16509 (movdf_const_intreg_sp32): Likewise.
16511 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
16513 * cse.c: Include hashtab.h instead of splay-tree.h
16514 (struct cse_reg_info): No longer use variant union. Add new
16515 field "regno". All references changed to avoid union.
16516 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
16517 (free_cse_reg_info): Remove.
16518 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
16519 (get_cse_reg_info): Revamp to use expandable hash tables instead
16520 of splay trees. Initialize new fields in cse_reg_info structure.
16521 (new_basic_block): Similarly.
16523 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
16525 * genrecog.c (message_with_line): Prototype.
16526 (validate_pattern): Pass along the set for the dest, not a flag.
16527 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
16528 Check for PC/CC0 as sources.
16529 (nodes_identical): Check for children position match before
16530 allowing the combination.
16532 * rtl.c (read_rtx): Track line number across \\\n.
16534 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
16536 * mips.h (SPECIAL_MODE_PREDICATES): New.
16537 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
16538 (movdi+1, movsi+1): Add output reload constraint.
16539 (casesi_internal): Likewise. Fix commentary.
16540 (return_internal): Use pmode_register_operand.
16542 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
16544 * 1750a.md (movstrqi): Add missing output reload constraint.
16545 (call_value): Likewise.
16546 * a29k.md (cpxxx patterns): Add missing match_operator mode.
16547 (jmpfdec): Add missing inout reload constraint.
16548 * elxsi.md (addsi patterns): Add missing output reload constraint.
16549 (move from sp): Use @ alternates.
16550 (call_value): No constraint on output.
16551 * fr30.md (movsi_pop): Add missing output reload constraint.
16552 (movsf_constant_store): Likewise.
16553 (splits): Remove constraints.
16554 (subsi3): Add missing mode.
16555 * i370.md (cmpstrsi+1): Add missing output reload constraint.
16556 (call_value): Likewise.
16557 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
16558 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
16559 * m32r.md (movsicc_internal): Add output reload constraint.
16560 (movstrsi_internal): Add inout reload constraints.
16561 * m88k.h (reg_names): Don't declare.
16562 (SPECIAL_MODE_PREDICATES): New.
16563 * m88k.md (*): Use register_operand not reg_or_0_operand
16565 * mn10200.h (PREDICATE_CODES): New.
16566 * ns32k.md (ffs pattern): Add output reload constraint.
16567 * pdp11.md (sob pattern): Add inout reload constraint.
16568 * sh.md (splits): Remove constraints.
16569 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
16570 * v850.md (pattern_is_ok_for_epilogue): Likewise.
16571 * vax.md (jgequ pattern): Add inout reload constraint.
16573 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
16575 * configure.in (djgpp): Revert previous patch.
16576 * configure: Rebuit.
16577 * config/i386/djgpp.h: Revert previous patch.
16579 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
16581 * fixinc/inclhack.def: Restore patch lost during last merge of
16582 "no_bogosity" branch.
16583 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
16585 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16587 * fixincludes: Add a HPUX 11 fix for inttypes.h.
16588 * fixinc/inclhack.def: Same.
16589 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
16591 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
16593 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
16594 as the base of a PLUS.
16596 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16598 * config/c4x/c4x.md: Define mode for remaining unspec operators.
16599 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
16601 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
16603 * pa.md (post_stw+1): Use pmode_register_operand.
16604 (dcacheflush, icacheflush): Likewise.
16606 * i386.md (movstricthi_1): Allow r/r.
16608 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
16610 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
16611 to (not (and (arg0) (arg1))). Similary for and.
16613 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
16614 fallthrough to associate code.
16615 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
16618 * combine.c (simplify_logical): Convert XOR to IOR if operands have
16619 no bits in common; remove XOR to ROTATE conversion.
16621 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16623 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
16625 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16627 * config/c4x/c4x.c (dst_operand): New.
16628 (PREDICATE_CODES): Update.
16629 * config/c4x/c4x.h (dst_operand): Declare it.
16630 * config/c4x/c4x.md: Define mode for each unspec usage.
16631 (move patterns): Use dst_operand predicate instead of src_operand.
16632 (movqi_update, movqf_update): Delete.
16634 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
16636 * recog.c (pmode_register_operand): New.
16637 * recog.h: Declare it.
16638 * genrecog.c (pred_codes): Likewise.
16639 (special_mode_pred_table): Likewise.
16640 (validate_pattern): Don't warn no mode for address_operand.
16642 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
16643 if the operand is not insn-like.
16645 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
16646 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
16648 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
16650 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
16652 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
16653 instead of general_operand in a SET_DEST. Use const_double_operand
16654 instead of an explicit test against CONST_DOUBLE.
16655 (movsf_const_lo): Add missing register mode.
16656 (goto_handler_and_restore): Add auxiliary test for Pmode.
16657 (flush): Adjust to use address_operand.
16658 (return_sf_no_fpu): Add missing output constraint.
16660 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
16662 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
16663 for call return value.
16664 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
16666 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
16668 * toplev.c (main): Only warn about options for other languages.
16669 * collect2.c (main): Pass -w to sub-gcc.
16671 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
16673 * flow.c (propagate_block): Add call-clobbered registers to
16676 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
16677 zapping mem_set_list.
16678 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
16679 (mark_set_1, mark_used_regs): Likewise.
16681 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
16683 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
16685 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16687 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
16688 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
16689 options. Also add a new item "C-only Warning Options" to the
16692 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
16694 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
16695 from multiple calls.
16697 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
16699 * i386.md (call value patterns): Move to the end of the file.
16700 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
16702 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
16704 * configure.in (djgpp configuration): Define extra_objects..
16705 * configure: Rebuilt.
16706 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
16707 (DTORS_SECTION_ASM_OP): Define.
16708 (INIT_SECTION_ASM_OP): Define.
16709 (FINI_SECTION_ASM_OP): Define.
16710 (DATA_SECTION_ASM_OP): Define.
16711 (TEXT_SECTION_ASM_OP): Define.
16712 (EH_FRAME_SECTION_ASM_OP): Define.
16713 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
16714 (STARTFILE_SPEC): Add crtbegin.o.
16715 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
16716 to here from LINK_COMMAND_SPEC.
16717 (DO_GLOBAL_CTORS_BODY): Define.
16718 (CRTSTUFF_USE_FINI_SECTION): Define
16719 (HAS_INIT_SECTION): Delete.
16721 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
16723 * Makefile.in (all.cross): Depend on xcpp$(exeext).
16725 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
16727 * pa.h (PREDICATE_CODES): New.
16729 * genrecog.c (validate_pattern): Condense the destination
16730 non-lvalue message.
16732 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
16734 * alpha.md (call-1): Supply missing mode for operator.
16735 (*): Add missing output reload constraints. Remove constraints
16736 from define_splits.
16738 * i386.h (SPECIAL_MODE_PREDICATES): New.
16739 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
16740 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
16741 (addsi_lea_3): Add missing mode for op 3.
16742 (prologue_set_got, prologue_get_pc): Add missing modes.
16743 (*) Add missing output reload constraints.
16745 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
16747 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
16748 check for member bit-size overflow and use var_size if it occurs.
16749 (layout_record): Use bitsize_int() to define the type size in bits.
16750 Likewise for computation and assignment to DECL_FIELD_BITPOS.
16751 (layout_decl): Likewise when assigning to DECL_SIZE.
16753 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
16755 * genrecog.c (validate_pattern): Typo last change. Verify
16756 that output operands have output reloads.
16758 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
16760 * genrecog.c (special_mode_pred_table): New.
16761 (NUM_SPECIAL_MODE_PREDS): New.
16762 (find_operand): New.
16763 (validate_pattern): New argument `insn'. Warn for assignment to
16764 any predicate accepting non-lvalues. Conditionaly warn for
16765 match_operand without a mode. Try much harder to match source
16766 and destination modes on a set.
16767 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
16769 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
16771 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
16773 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
16775 * combine.c (simplify_logical): Recognize xor pattern that encodes
16778 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16780 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
16783 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
16785 * ggc-page.c (MAP_FAILED): Provide default.
16787 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
16789 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
16790 * sparc.h (PREDICATE_CODES): Update.
16792 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
16794 * alpha.c (some_ni_operand): New.
16795 * alpha-protos.h: Declare it.
16796 * alpha.h (PREDICATE_CODES): Update.
16797 * alpha.md (sXaddq reload insns): Use some_ni_operand
16798 for SET_DEST instead of some_operand.
16800 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
16801 Jim Wilson <wilson@cygnus.com>
16803 * genrecog.c (maybe_both_true_2): Don't compare modes of
16805 (process_tree): Elide peephole2_insns. Invoke simplify_tests
16806 after find_afterward.
16807 (debug_decision_1): Dump next and afterward codes.
16809 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
16811 * rtl.c (dump_and_abort): Remove.
16812 (fatal_with_file_and_line): New.
16813 (fatal_expected_char): New.
16814 (read_rtx_lineno, read_rtx_filename): New.
16815 (read_skip_spaces): Track line number.
16816 (read_name): Use fatal_with_file_and_line.
16817 (read_rtx): Use fatal_expected_char. Track line number.
16818 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
16820 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
16821 if it isn't a CODE_LABEL.
16823 * genattr.c (main): Set read_rtx_filename.
16824 * genattrtab.c (main): Likewise.
16825 * gencodes.c (main): Likewise.
16826 * genconfig.c (main): Likewise.
16827 * genemit.c (main): Likewise.
16828 * genextract.c (main): Likewise.
16829 * genflags.c (main): Likewise.
16830 * genopinit.c (main): Likewise.
16831 * genoutput.c (main): Likewise.
16832 * genpeep.c (main): Likewise.
16834 * genrecog.c (decision_test.u.insn): Add `lineno'.
16835 (pattern_lineno, error_count): New variables.
16836 (message_with_line): New.
16837 (add_to_sequence): Break out checking code to ...
16838 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
16839 (merge_insn): Use message_with_line.
16840 (make_insn_sequence): Use validate_pattern. Record insn lineno.
16841 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
16843 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16845 * expr.c (store_constructor): Clear union if constructor is empty.
16847 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
16849 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
16850 Add !endian checks. Change %{...} to %(...).
16852 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
16854 * i386.md (*addsi3_cc): Renamed from addcsi3.
16855 (*addsi3_carry): Renamed from addxsi3.
16856 (*subsi3_cc): Renamed from subcsi3.
16857 (*subsi3_carry): Renamed from subxsi3.
16858 (*xorqi_cc_1): Renamed from xorcqi_1.
16859 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
16860 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
16862 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
16864 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
16865 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
16867 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
16869 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
16870 climb up the chain of insns.
16872 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
16874 * genrecog.c (write_subroutine): Careful for null trees.
16875 (process_tree): Don't elide empty functions.
16877 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
16879 * Makefile.in (genrtl.o): Depend on ggc.h.
16880 * configure.in (valloc): Probe for it.
16881 (with-gc): Use ggc-page if valloc present.
16882 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
16883 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
16884 (ggc_alloc_string): Moved from ggc-page.c.
16885 * ggc-none.c (ggc_alloc_obj): New.
16886 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
16887 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
16888 (struct globals): Likewise for dev_zero_fd.
16889 (init_ggc): Likewise for it's initialization.
16890 (ggc_allocated_p): Move careful dereference from ...
16891 (ggc_lookup_page_table): ... here. Delete.
16892 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
16893 (alloc_anon): Use valloc if no mmap.
16894 (release_pages): Use free if using valloc.
16895 (ggc_alloc_obj): Renamed from alloc_obj.
16896 (ggc_set_mark): Renamed from mark_obj.
16897 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
16898 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
16899 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
16900 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
16901 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
16902 (ggc_collect): Use fp printing instead of our own rounding.
16903 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
16904 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
16905 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
16906 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
16907 (struct ggc_string, struct ggc_any): Delete.
16908 (offsetof): Provide default definition.
16909 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
16911 (struct ggc_mem): New, from corpse of ggc_any.
16912 (struct ggc_status): Delete.
16913 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
16914 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
16915 (n_strings_collected, n_anys_collected): Delete.
16916 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
16917 (ggc_alloc_string, ggc_alloc): Delete.
16918 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
16919 (ggc_free_string, ggc_free_any): Delete.
16920 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
16921 (ggc_compare_addresses, ggc_mark_string): Delete.
16922 (ggc_mark_string_if_gcable, ggc_mark): Delete.
16923 (search_data): Delete.
16924 (struct globals): New.
16925 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
16926 (tree_insert, tree_lookup): New.
16927 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
16928 (clear_marks, sweep_objs): New.
16929 (ggc_collect): Gut. Use clear_marks, sweep_objs.
16930 (init_ggc): Set allocated_last_gc.
16931 (ggc_push_context): Gut. Use G.context.
16932 (ggc_pop_context): Likewise.
16933 (ggc_pop_context_1): New.
16934 (debug_ggc_tree): New.
16935 (debug_ggc_balance, tally_leaves): New.
16936 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
16937 (ggc_mark_string_if_gcable): Remove decl.
16938 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
16939 (ggc_mark_rtvec_children): New.
16940 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
16941 (ggc_mark_if_gcable): New decl.
16942 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
16943 (ggc_alloc_tree, ggc_alloc): Likewise.
16944 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
16945 (ggc_alloc_obj): New decl.
16946 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
16947 (ggc_alloc_tree, ggc_alloc): Likewise.
16948 (ggc_set_mark): New decl.
16949 * rtl.h (struct rtx_def): Remove gc_mark.
16950 (struct rtvec_def): Likewise.
16951 * tree.h (struct tree_common): Likewise.
16953 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
16955 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
16956 float_format and thread_file definitions.
16957 * configure: Rebuilt.
16959 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
16961 * extend.texi (Function Names): Document types of function names.
16963 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16965 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16966 an earlyclobbered output conflict with RELOAD_INPUT reloads.
16968 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16970 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
16972 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16974 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
16976 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
16978 * collect2.c (main): Do prelimnary link on AIX if rflag.
16980 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16982 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
16983 __CTOR_LIST__ in opposite order, which is the correct order for sorted
16985 (__do_global_dtors): similarly for __DTOR_LIST__.
16987 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16988 Diego Novillo <dnovillo@cygnus.com>
16990 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
16993 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
16995 * fixincl/*: Merged "no_bogosity" branch
16996 * fixincl/fixlib.h: protect against doubly defining t_bool
16997 * fixincl/server.h: protect against doubly defining t_bool
16999 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17001 * genoutput.c: Include toplev.h.
17003 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17005 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17007 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17008 * configure: Regenerate.
17010 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17012 * gcse.c (delete_null_pointer_checks): Returns void.
17014 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17016 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17017 * emit-rtl.c (copy_insn_1): Likewise.
17019 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17021 * config/mips/mips.c (mips_build_va_list): Correct
17022 TREE_CHAIN setting when hard-float.
17023 (mips_va_start): Use corrected setting.
17024 (mips_va_arg): Likewise. Also pass a tree to build of
17025 POSTINCREMENT_EXPR rather than a naked 'int'.
17027 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17029 * ggc.h (ggc_push_context): Fix comment.
17030 (ggc_pop_context): Likewise.
17031 (mark_string_if_gcable): Likewise.
17032 * ggc-common.c (ggc_mark_rtx_children): Use
17033 ggc_mark_string_if_gcable.
17034 * ggc-page.c (ggc_lookup_page_table): New function.
17035 (ggc_allocated_p): Likewise.
17036 (mark_obj): Fix formatting.
17037 (ggc_mark_string_if_gcable): New function.
17038 * ggc-simple.c (ggc_allocated_strings): New variable.
17039 (ggc_strings_used): Likewise.
17040 (ggc_compare_addresses): New function.
17041 (ggc_pop_context): Pop the `any' memory too.
17042 (ggc_mark_string_if_gcable): New function.
17043 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17045 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17047 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17048 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17049 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17052 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17054 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17055 (sched_reg_live_length, sched_reg_basic_block): Delete.
17056 (current_block_num, bb_live_regs, old_live_regs): Delete.
17057 (dead_notes, struct sometimes): Delete.
17058 (sched_note_set, birthing_insn_p): Delete.
17059 (adjust_priority): Gut useless reg lifetime code.
17060 (create_reg_dead_note, attach_deaths): Delete.
17061 (attach_deaths_insn, new_sometimes_live): Delete.
17062 (finish_sometimes_live): Delete.
17063 (find_pre_sched_live, find_post_sched_live): Delete.
17064 (update_reg_usage): Delete.
17065 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17066 (schedule_insns): Delete reg lifetime code.
17067 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17068 (unlink_other_notes): Adjust REG_NOTE commentary.
17069 (reemit_notes): Use REG_SAVE_NOTE.
17070 (schedule_block): Likewise.
17071 (schedule_region): Allocate bitmap of blocks in region. Use
17072 count_or_remove_death_notes. Use update_life_info.
17074 * rtl.h (REG_SAVE_NOTE): New.
17075 * rtl.c (reg_note_name): Update.
17077 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17079 * combine.c (refresh_blocks, need_refresh): New.
17080 (combine_instructions): Allocate refresh_blocks. Invoke
17081 update_life_info if needed.
17082 (distribute_notes): Mark refresh_blocks instead of installing
17084 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17085 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17087 * Makefile.in (recog.o): Depend on basic-block.h.
17089 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17091 * genrecog.c (add_to_sequence): Thinko last change: delete
17092 shadowing allow_const_int variable.
17094 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17096 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17097 __GNUC__ and __GNUC_MINOR__.
17099 * gansidecl.h: Likewise.
17105 * toplev.h: Likewise.
17107 * tree.c: Likewise.
17109 * tree.h: Likewise.
17111 * varray.c: Likewise.
17113 * varray.h: Likewise.
17115 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17117 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17118 use one before a jump table.
17120 * rtl.def (ADDRESS): Change documentation to match reality.
17121 * md.texi: Don't document it.
17122 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17125 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17127 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17129 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17130 known predicate block; default allow_const_int true.
17131 (debug_decision_list): New.
17133 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17135 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17137 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17139 * gcse.c (gcse_main): Avoid global optimizations if we have a
17140 large number of basic blocks and the ratio of edges to blocks
17142 (delete_null_pointer_checks): Likewise.
17144 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
17146 * c-common.c (check_format_info): Warn if format string isn't a
17149 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17151 * configure.in (arm*-*-*): Don't let autoconf remove brackets
17152 * configure: regenerate
17154 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
17156 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
17157 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
17158 (peepholes): Re-enable.
17160 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
17162 * Makefile.in (flow.o): Depend on TREE_H.
17163 * basic-block.h (REG_SET_EQUAL_P): New.
17164 (XOR_REG_SET): New.
17165 (n_edges): Declare.
17166 (free_regset_vector): Remove declaration.
17167 (flow_delete_insn_chain): Declare.
17168 (enum update_life_extent): New.
17169 (update_life_info, count_or_remove_death_notes): Declare.
17170 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
17171 Verify register live at bb->global_live_at_start before adding USE.
17172 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
17173 (CLEAN_ALLOCA): New.
17175 (PROP_*): New flags.
17176 (find_basic_blocks_1): Use alloc_EXPR_LIST.
17177 (clear_edges): Zero n_edges.
17178 (make_edge): Increment n_edges.
17179 (split_edge): Don't allocate bb->local_set. Increment n_edges.
17180 (flow_delete_insn_chain): Export.
17181 (delete_block): Decrement n_edges.
17182 (merge_blocks_nomove): Likewise.
17183 (life_analysis): Give life_analysis_1 PROP flags.
17184 (verify_wide_reg_1, verify_wide_reg): New.
17185 (verify_local_live_at_start): New.
17186 (update_life_info): Rewrite to call into propogate_block.
17188 (mark_regs_live_at_end): After reload, if epilogue as rtl,
17189 always mark stack pointer. Conditionally mark PIC register.
17190 After reload, mark call-saved registers, return regsiters.
17191 (life_analysis_1): Accept PROP flags not remove_dead_code.
17192 Call mark_regs_live_at_end before zeroing regs_ever_live.
17193 Use calculate_global_regs_live. Copy global_live_at_end before
17194 calling final propagate_block. Zero reg_next_use on exit.
17195 (calculate_global_regs_live): New.
17196 (allocate_bb_life_data): Don't allocate bb->local_set.
17197 (init_regset_vector, free_regset_vector): Remove.
17198 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
17199 Test flags before every operation. Warn if prologue/epilogue insn
17200 would have been deleted.
17201 (mark_set_regs, mark_set_1): Accept and use FLAGS.
17202 Use alloc_EXPR_LIST.
17203 (mark_used_regs): Accept and use FLAGS, not FINAL.
17204 Remove special handling for RETURN.
17205 (try_pre_increment): Use alloc_EXPR_LIST.
17206 (dump_flow_info): Dump n_edges.
17207 (unlink_insn_chain, split_hard_reg_notes): Remove.
17208 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
17209 (find_insn_with_note, new_insn_dead_notes): Remove.
17210 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
17211 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
17212 (replace_insns): Remove.
17213 (count_or_remove_death_notes): New.
17214 (verify_flow_info): Abort on error after all checks.
17215 (remove_edge): Decrement n_edges.
17216 (remove_fake_edges): Tweak format.
17217 * haifa-sched.c (schedule_insns): Use split_all_insns.
17218 * output.h (update_life_info): Remove declaration.
17219 * recog.c (split_all_insns): From the corpse of split_block_insns,
17220 do the whole function block by block. Use update_life_info.
17221 (recog_last_allowed_insn): New.
17222 (recog_next_insn): Mind it.
17223 (peephole2_optimize): Set it. Walk backwards through blocks.
17224 Use update_life_info.
17225 * rtl.h (update_flow_info, replace_insns): Remove declarations.
17226 (split_all_insns): Declare.
17227 * toplev.c (rest_of_compilation): Thread prologue before flow2.
17228 Use split_all_insns.
17230 * i386.md (or -1 peep2s): Disable.
17232 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
17234 * config/mips/mips.md (movstrsi+[123]) : Combine these into
17235 a single pattern. Scrap the 'd' versions as unnecessary.
17237 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
17238 tablejump_mips162,tablejump_internal4): The operands to a
17239 label_ref must be VOIDmode.
17241 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17243 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
17245 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17247 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
17249 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
17251 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
17252 cache every function if ggc_p.
17254 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17256 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
17257 instead of copy_rtx. Accept sequences that contain asm statements.
17258 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
17259 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
17260 orig_asm_operands_vector, copy_asm_operands_vector,
17261 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
17263 * rtl.h (copy_insn, copy_insn_1): Declare.
17265 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17267 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
17269 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
17270 arguments to `current_file_function_operand'.
17272 * genrecog.c: Include hard-reg-set.h and resource.h in the
17273 generated output file.
17275 * real.c: Include tm_p.h.
17277 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17279 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
17282 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
17284 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
17285 before the fctiwz insn.
17287 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17288 Mark Mitchell <mark@codesourcery.com>
17290 * tree.c (make_lang_type_fn): New funtion pointer.
17291 (make_lang_type): Call it.
17292 * tree.h (make_lang_type): Declare.
17293 (make_lang_type_fn): Likewise.
17294 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
17296 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
17298 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
17299 make sure that HIGH instructions are copied into BASE_REGS.
17301 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
17303 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
17305 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
17307 * c-decl.c (finish_struct): Use simpler method of
17308 removing elements of a singly-linked list.
17310 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
17312 * alpha.md (peephole2's): Comment out peephole2's that generate
17315 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
17317 * genrecog.c (add_to_sequence): Disable mode check for
17320 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17322 * ggc-simple.c (init_ggc): Set empty_string.
17324 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
17326 * configure.in: Detect mmap. Add --with-gc=foo to select
17327 garbage collector; default to page if mmap available.
17328 * Makefile.in (GGC): Substitute.
17330 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
17332 * c-decl.c (ggc_p): Enable.
17334 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17336 * flow.c (verify_flow_info): Make it extern & unconditionally define.
17338 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
17340 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
17341 string for little-endian-data.
17343 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
17345 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
17346 case somebody tries to compile --enable-checking code with gcc
17349 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
17351 * genrecog.c (add_to_sequence): Verify operand to label_ref is
17354 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
17356 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
17357 * jump.c (jump_optimize_1): Document why.
17359 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17361 * collect2.c (scan_prog_file, scan_libraries): Prototype function
17362 pointers and casts for `int_handler' and `quit_handler'.
17364 * flow.c (verify_flow_info, split_hard_reg_notes,
17365 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
17366 remove_edge, remove_fake_successors): Add static prototypes.
17367 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
17368 (mark_set_1): Initialize variable `regno'.
17369 (unlink_insn_chain): Likewise for variable `curr'.
17370 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
17372 * loop.c (strength_reduce): Initialize variable
17373 `unrolled_insn_copies'.
17374 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
17375 prototypes. Change these functions to take const PTR parameters
17376 to avoid prototype conflict when used as the comparson argument
17378 (check_dbra_loop): Initialize variable `comparison_val'.
17380 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
17381 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
17382 (find_valid_class): Initialize variable `best_class'.
17383 (find_reloads): Call memcpy, not bcopy.
17385 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
17386 (hard_reg_use_compare): Don't needlessly cast away const.
17387 (reload_reg_class_lower): Likewise.
17388 (choose_reload_regs): Initialize variable `regno'.
17390 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
17392 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
17394 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
17396 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
17397 ({,d}discard): Add forward declarations. Declare parameter as
17399 (main_without_main): Explicitly declare return type to be int.
17400 (memcpy): Properly declare.
17402 * libgcc2.c (toplevel): If inhibit_libc is defined and not
17403 building the trampoline support, declare malloc, free, and
17405 (__clear_cache): Mark arguments as potentially unused.
17407 * frame.c (toplevel): If inhibit_libc is defined, declare
17410 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
17412 * flow.c (make_edge): Accept an optional 2D bitmap in which
17413 to cache edge existence. Update all callers.
17414 (make_label_edge, make_eh_edge): Pass through the edge cache.
17415 (make_edges): Provide the cache.
17417 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17419 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
17421 (local_mbtowc): Change the type of variable `i' from int to size_t.
17423 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
17424 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
17426 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
17428 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
17429 after other includes that define the appropriate types. Include
17430 tm_p.h for getting user prototypes.
17431 * ggc-callbacks.c (toplevel): Ditto.
17432 * ggc-none.c (toplevel): Ditto.
17433 * gcc-page.c (toplevel): Ditto.
17434 * ggc-simple.c (toplevel): Ditto.
17436 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
17437 Jonathan Larmour <jlarmour@cygnus.co.uk>
17439 * config/mips/mips.c (mips_move_2words): Split doubles if
17440 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
17442 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
17444 * genrecog.c (struct decision_test): New.
17445 (struct decision): Remove test-related members, sort the rest by size.
17446 (IS_SPLIT): Simplify.
17447 (new_decision, new_decision_test): New.
17448 (add_to_sequence): Use them. No special handling for args of
17450 (maybe_both_true): Renamed from not_both_true; return sense changed.
17451 (maybe_both_true_1, maybe_both_true_2): New. Broken out
17452 of maybe_both_true and adjusted for decision_test.
17453 (position_merit): Remove.
17454 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
17455 (merge_accept_insn): New, broken out of merge_trees.
17456 (merge_trees): Use them. No special case for c_test; no node
17457 splitting; use test type instead of position_merit.
17458 (factor_tests): New.
17459 (simplify_tests): New.
17460 (break_out_subroutines): Don't write code now.
17461 (find_afterward): New.
17462 (write_afterward, write_switch, write_cond): New.
17463 (write_action, is_unconditional): New.
17464 (write_node): New. Use them.
17465 (write_tree_1): Rewrite. Use the new functions above.
17466 (write_tree): Remove afterward processing.
17467 (write_subroutine): Simplify function variant emission.
17468 (write_subroutines): New.
17469 (same_codes, clear_codes): Remove.
17470 (same_modes, clear_modes): Remove.
17471 (write_header): New, broken out of main.
17472 (make_insn_sequence): Use new_decision and new_decision_test.
17473 (process_tree): New, broken out of main.
17474 (main): Adjust for merge_trees interface change.
17475 Don't #define operands in the output file.
17476 (record_insn_name): New, broken out of make_insn_sequence.
17477 (debug_decision_2, debug_decision_1, debug_decision_0): New.
17478 (debug_decision): New.
17480 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
17482 * resource.c (find_free_register): Mark class_str argument const.
17483 * resource.h: Update prototype to match.
17485 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
17486 * i386.md: Give all anonymous insns names.
17488 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
17490 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
17493 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
17495 * toplev.c (dbr_sched_time): Unconditional.
17496 (peephole2_time): New.
17497 (compile_file): Add pass numbers to all of the dump file suffixes.
17498 Dump peephole2_time. Don't dump times for non-applicable passes.
17499 (rest_of_compilation): Add pass numbers to dump file suffixes.
17500 Conditionalize calls to the scheduler.
17501 * invoke.texi: Update.
17503 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
17505 * flow.c (make_edges): Fix insn iteration.
17506 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
17507 (find_basic_blocks_1): Fix spelling mistake.
17509 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
17511 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
17512 always have side-effects. Use memset not bzero.
17513 (make_node): Likewise.
17515 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
17517 * stmt.c (expand_anon_union_decl): When any of the elements of the
17518 union is addressable, so is the entire union.
17520 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
17522 * sbitmap.c (sbitmap_ones): Don't set too many bits.
17524 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
17525 * bitmap.c (bitmap_operation): Return true iff TO changed.
17526 (bitmap_equal_p): New.
17527 (bitmap_bit_p): Tidy arithmetic.
17528 (debug_bitmap_file): Likewise.
17530 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
17532 * toplev.c (rest_of_compilation): Turn on cse_not_expected
17533 before cse2 instead of after.
17535 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
17537 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
17540 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17542 * cppinit.c (is_idchar initializer): Loosen tests to accept
17545 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
17547 * mips.md: Define conditional move patterns for floating point
17548 operands and DI mode conditions.
17550 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
17552 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
17553 always have side-effects.
17555 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
17557 * mn10200.c (asm_file_start): Fix typo.
17559 * cppinit.c (is_idchar initializer): Tighten tests for when
17560 to put the table into initialized memory.
17562 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
17563 not an array of rtunion.
17564 * gcc-page.c (ggc_alloc_rtvec): Similarly.
17565 * gcc-simple (ggc_free_rtvec): Similarly.
17567 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
17570 * mbchar.h: Add missing #endif.
17572 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
17573 (FPBIT, DPBIT): Define.
17575 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17577 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
17579 * profile.c (instrument_arcs, output_gcov_string,
17580 tablejump_entry_p): Add static prototypes.
17581 (output_gcov_string): Constify a char*.
17583 * regmove.c (replacement_quality, fixup_match_2): Add static
17586 * resource.h (reg_dead_p): Add extern prototype.
17588 * rtl.c (trim_filename): Add static prototype.
17590 * scan-decls.c (skip_to_closing_brace): Likewise.
17592 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
17593 (expand_end_case): Initialize variable `range'.
17594 (emit_case_nodes): Remove unused prototype `rtx_fn'.
17596 * varasm.c (asm_emit_uninitialised): Add static prototype.
17597 (asm_emit_uninitialised, assemble_variable): Mark parameter with
17600 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17602 * cpplib.c (if_directive_nameo): Add static prototype.
17604 * cse.c (cse_insn): Remove unused variable `p'.
17606 * except.c (create_rethrow_ref, push_entry,
17607 receive_exception_label, new_eh_region_entry, find_func_region,
17608 clear_function_eh_region, process_nestinfo): Add static prototypes.
17609 (get_reg_for_handler): Hide definition.
17610 (process_nestinfo): Initialize variable `extra_handlers'.
17612 * expr.h (expand_builtin_longjmp): Add extern prototype.
17614 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
17616 * function.c (prepare_function_start): Likewise.
17617 (pop_function_context_from): Mark parameter `context' with
17619 (push_temp_slots_for_block, flush_addressof): Hide definition.
17621 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
17622 solve_program_flow_graph, calculate_branch_probs,
17623 function_summary, main, fancy_abort): Add prototypes.
17625 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
17626 (add_hash): Constify a char*.
17628 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
17629 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
17630 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
17632 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
17634 * lists.c (free_list, zap_lists): Likewise.
17636 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17638 * alias.c (nonlocal_reference_p): Add static prototype.
17640 * bitmap.c (bitmap_element_allocate): Prototype args in function
17643 * builtins.c (stabilize_va_list): Add static prototype.
17644 (expand_builtin_va_arg): Constify a char*.
17646 * c-lex.c (getch, put_back, extend_token_buffer_to,
17647 read_line_number, token_getch, token_put_back): Add static
17650 * c-parse.gperf (hash, is_reserved_word): Likewise.
17652 * cccp.c (is_dir_separator): Likewise.
17654 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17656 * graph.h: New file to prototype functions exported by graph.c.
17658 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
17660 * graph.c: Include graph.h.
17662 * toplev.c: Likewise. Remove redundant prototypes.
17664 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
17666 * invoke.texi: Removed duplicated description for -Q.
17668 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
17670 * extend.texi: Grammar fix in __extension__ text.
17672 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
17674 * md.texi (define_peephole2): New section.
17676 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
17678 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
17679 (mov $-1 to or peepholer): Enable for pentium when optimizing for
17682 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
17684 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
17686 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
17688 * i386.md (ffs expander): Emit Pentium friendly code for
17691 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
17693 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
17695 (build1): Likewise.
17697 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17699 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
17701 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
17703 * config/m68k/m68k.c (use_return_insn): Return false if the pic
17704 register is in use.
17706 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17708 * md.texi (No Constraints): Delete section.
17709 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
17710 * final.c (final_scan_insn): We always have register constraints.
17711 * genattrtab.c: Don't include "insn-config.h".
17712 (write_attr_case): We always have register constraints.
17713 * genconfig.c (register_constraint_flag): Delete.
17714 (walk_insn_part): Don't check whether we have register constraints.
17715 (main): Don't write out "#define REGISTER_CONSTRAINTS".
17716 * genoutput.c (have_constraints): Delete.
17717 (main): Don't set it.
17718 (output_operand_data): We always have constraints.
17719 (scan_operands): Likewise.
17720 (compare_operands): Likewise.
17721 * local-alloc.c (block_alloc): We always have constraints.
17722 (requires_inout): Always compile this function.
17723 * recog.c (extract_insn): We always have constraints.
17724 (constrain_operands, reg_fits_class_p): Always compile these
17726 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
17728 (struct insn_operand_data): Likewise.
17729 * regclass.c (regclass): We always have constraints.
17730 (record_reg_classes, copy_cost, record_address_regs,
17731 auto_inc_dec_reg_p): Always compile these functions.
17732 * regmove.c (regmove_optimize): We always have constraints.
17733 * reload.c (find_reloads): Likewise.
17734 * reload1.c (reload): Likewise.
17735 (reload_cse_simplify_operands): Likewise.
17736 * i860.c (output_delay_insn): Likewise.
17738 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
17740 * iris6.h (BUILD_VA_LIST_TYPE): Define.
17742 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17744 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
17745 for the va_list record.
17747 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
17749 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
17752 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
17754 * alias.c: Include insn-flags.h.
17755 * Makefile.in (alias.o): Update.
17757 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
17759 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
17760 to LTU and GEU. Handle more cases using sbb.
17762 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
17764 * i386.md (truncatexfdf splitters): Do not use subreg.
17765 (fop XFmode patterns): Fix mode in operand testing.
17767 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
17769 * jump.c (jump_optimize_1): Amend last change to test only the
17770 form of the operand, not the insn.
17772 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
17773 not register_operand to determine when B may need preloading.
17775 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
17777 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
17778 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
17779 (call-value patterns): Move to end of file.
17780 (*): Remove mode from label_ref in (pc) context.
17781 (movstrqi): Use memory not general_operand for BLKmode operands.
17782 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
17783 to register_operand operands.
17784 (peep2 patterns): Convert from commented-out peephole patterns.
17786 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17788 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
17789 to BUILT_IN_INIT_DWARF_REG_SIZES.
17790 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
17791 Renamed from BUILT_IN_DWARF_REG_SIZE; call
17792 expand_builtin_init_dwarf_reg_sizes.
17793 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
17794 with __builtin_init_dwarf_reg_size_table.
17795 * dwarf2out.c (struct reg_size_range): Delete.
17796 (expand_builtin_init_dwarf_reg_sizes): New function.
17797 (expand_builtin_dwarf_reg_size): Delete.
17798 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
17799 (expand_builtin_dwarf_reg_size): Don't declare.
17800 * libgcc2.c (dwarf_reg_size_table_initialized): New.
17801 (dwarf_reg_size_table): New.
17802 (init_reg_size_table): New function.
17803 (copy_reg): Use dwarf_reg_size_table.
17804 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
17807 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
17809 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
17810 Correctly build argument list to constructor and destructor functions.
17812 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
17814 * c-tree.h (warn_float_equal): Declare.
17815 * c-decl.c (warn_float_equal): Define.
17816 (c_decode_option): Recognize -W[no-]float-equal.
17817 * c-typeck.c (build_binary_op): Conditionally warn
17818 about equality tests of floating point types.
17819 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
17820 * invoke.texi: Add docs for -Wfloat-equal warning.
17822 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
17824 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
17825 generating RTL directly.
17826 * mips.h (INIT_TARGET_OPTABS): Likewise.
17827 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
17829 * expr.h (init_mov_optab): Delete declaration
17831 * h8300.c (WORD_REG_USED): Update to avoid useless register
17832 saves in interrupt functions and functions which never return.
17834 * cse.c (struct set): Delete inner_dest_loc field.
17835 (cse_insn): Remove assignments to inner_dest_loc field.
17837 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
17839 * ggc-page.c: Don't include <unistd.h> etc taken care of
17840 by "system.h". Include <sys/mman.h> afterward.
17842 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
17844 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
17847 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
17849 * xcoffout.c (xcoffout_declare_function): Add documentation.
17850 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
17851 TARGET_64BIT. Compare constant to -1, not bit pattern.
17852 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
17853 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
17856 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
17858 * dwarf2out.c (add_abstract_origin_attribute): Abort if
17859 origin_die is NULL.
17860 (gen_inlined_enumeration_type_die): Do not abort if the type has
17861 not been writeen out.
17862 (gen_inlined_structure_type_die): Do not abort if the type has
17863 not been writeen out.
17864 (gen_inlined_union_type_die): Do not abort if the type has
17865 not been writeen out.
17866 (gen_tagged_type_instantiation_die): Do not abort if the type
17867 has not been written out.
17869 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17871 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
17873 * reg-stack.c (straighten_stack): Copy hard reg set with
17876 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
17878 * builtins.c (stabilize_va_list): Stabilize array type va_list
17879 to a pointer type, not the base record type.
17880 (expand_builtin_va_copy): Dereference the pointers explicitly;
17881 use the correct size for the copy.
17883 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
17884 (rs6000_va_arg): Likewise.
17886 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
17888 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
17890 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
17892 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
17894 (DECL_BUILT_IN_CLASS): Adjust accordingly.
17896 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
17898 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
17899 (init_ggc): Use it instead of a constant.
17900 (ggc_collect): Bound allocated_last_gc by it.
17902 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
17904 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
17907 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
17909 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
17910 (mips*-*-openbsd*): Let big endian configuration be a fragment.
17911 * configure: Regen.
17912 * config/mips/openbsd.h: New, OpenBSD little endian target.
17913 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
17914 * config/mips/xm-openbsd.h: New, OpenBSD host.
17916 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
17918 * config/m68k/m68k.c (output_function_prologue,
17919 output_function_epilogue): Use
17920 current_function_uses_pic_offset_table instead of regs_ever_live
17921 to decide whether to save/restore pic register.
17922 (legitimize_pic_address): Don't modify regs_ever_live any more.
17924 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
17926 * function.h (struct function): Add x_dont_save_pending_sizes_p.
17927 * stor-layout.c (variable_size): Don't add sizes to the pending
17928 sizes list if x_dont_save_pending_sizes_p is set.
17930 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
17932 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
17933 for symbolic_operand().
17934 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
17936 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17938 * combine.c (gen_rtx_combine): Add missing call to va_end().
17940 * final.c (asm_fprintf): Likewise.
17942 * genattrtab.c (attr_rtx): Likewise.
17944 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
17946 * cse.c: Update comments.
17947 (cse_insn): When converting a conditional/computed jump into
17948 an unconditional jump, always make sure a BARRIER immediately
17949 follows the converted jump. Do not delete unreachable code.
17950 (cse_basic_block): Do not delete unreachable code.
17951 * toplev.c (rest_of_compilation): Move call to
17952 delete_trivially_dead_insns after the conditional call to
17955 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17957 * collect2.c (make_temp_file): Don't prototype.
17959 * gcc.c (make_temp_file): Likewise.
17961 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
17963 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
17965 * varasm.c (asm_emit_uninitialised): New function: Generate
17966 the assembler statements necessary to declare an uninitialised
17968 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
17970 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
17971 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
17973 (assemble_variable): Use asm_emit_uninitialised to emit an
17974 uninitialised variable.
17976 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
17978 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
17979 constant on a 64 bit host. Patch supplied by Geoffrey Keating
17980 <geoffk@cygnus.com>.
17982 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17984 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
17985 * c-common.h (builtin_function): Don't declare.
17987 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
17989 (pushdecl): Likewise.
17990 (finish_decl): Likewise.
17991 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
17992 int. All callers changed.
17993 Set the builtin's DECL_BUILT_IN_CLASS.
17994 * tree.h (enum built_in_class): New.
17995 (enum built_in_function): Delete NOT_BUILT_IN.
17996 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
17998 (DECL_SET_FUNCTION_CODE): Likewise.
17999 (DECL_BUILT_IN_CLASS): New macro.
18000 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18001 (struct tree_decl): Split builtin function code field into a
18003 (builtin_function): Declare.
18005 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18007 * optabs.c (init_traps): Fix typo in last change.
18009 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18011 * toplev.c (rest_of_decl_compilation): Update comment.
18013 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18015 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18016 in .sbss if appropriate.
18017 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18018 (SBSS_SECTION_ASM_OP): New macro.
18019 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18020 (EXTRA_SECTIONS): Add in_sbss.
18021 * config/mips/mips.h: Prototype sbss_section.
18023 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18025 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18028 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18030 * optabs.c (init_traps): Register trap_rtx as a GC root.
18032 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18034 * config/mips/mips.c (function_arg_pass_by_reference): Define
18035 unconditionally, since it's called unconditionally.
18037 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18039 * toplev.c (documented_lang_options): Add -fshort-wchar.
18040 * c-decl.c (c_decode_option): Likewise.
18041 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18043 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18044 * gcc.c (default_compilers): If -fshort-wchar,
18045 override __WCHAR_TYPE__.
18046 * tm.texi (C Dialect Options): Add -fshort-wchar.
18048 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18049 symbol for a variable.
18051 * cpplib.h (CPP_PREPROCESSED): New macro.
18052 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18053 we're seeing this input for a second time.
18055 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18057 * emit-rtl.c (init_emit_once): Initialize modes first.
18059 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18061 * config/i386/i386.c (pic_label_name): Change to char pointer.
18062 (global_offset_table): New variable.
18063 (load_pic_register): Fill global_offset_table if it hasn't
18064 already been done. Allocate pic_label_name dynamically.
18065 * ggc.h (empty_string): New variable.
18066 * ggc-simple.c (empty_string): Likewise.
18067 (init_ggc): Allocate empty_string and add as root.
18068 * stmt.c (digit_strings): New variable.
18069 (init_stmt): Add last_block_end_note as root. Allocate and
18070 initialize digit_strings.
18071 (expand_asm_operands): Use empty_string instead of string
18072 constant. Use digit_strings instead of string constants.
18073 * profile.c (init_arc_profiler): Allocate string with
18074 ggc_alloc_string instead of xmalloc.
18075 (output_func_start_profiler): Likewise.
18076 * c-typeck.c (digest_init): Check if init is error_mark_node.
18078 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18079 Richard Henderson <rth@cygnus.com>
18081 * ggc-page.c: New file.
18082 * Makefile.in (ggc-page.o): New.
18084 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18086 * invoke.texi: Document -fdelete-null-pointer-checks
18087 * toplev.c (flag_delete_null_pointer_checks): New.
18088 (f_options): Add entry for -fdelete-null-pointer-checks.
18089 (rest_of_compilation): Conditionalize null pointer check
18090 elimination on flag_delete_null_pointer_checks.
18091 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18093 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18095 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18096 copyright notice and special exception to GPL.
18098 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18100 * abi64.h (mips_function_value): Add prototype arguments.
18102 * mips-protos.h: New file with mips prototypes.
18104 * mips.c: Include "tm_p.h".
18105 (mktemp, lookup_name): Add prototype arguments.
18106 (extern_list, string_constant, mips_fill_delay_slot,
18107 mips_output_external, mips_output_external_libcall,
18108 mips_output_filename, mips_declare_object, function_prologue,
18109 mips_expand_prologue, function_epilogue, mips16_constant,
18110 build_mips16_function_stub, mips_output_conditional_branch):
18112 (mips_va_start): Remove unused variable `u'.
18113 (mips_va_arg): Cast value to unsigned when comparing against one.
18115 (save_restore_insns, mips_expand_prologue): Add missing arg in
18116 call to `large_int'.
18118 * mips.h: Move prototypes to mips-protos.h.
18119 (data_section, memory_address_p, rdata_section,
18120 readonly_data_section, simple_epilogue_p, text_section): Delete
18121 prototypes delcared elsewhere.
18122 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18124 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18126 * mips.md: Delete extra args in call to `mips_move_2words'.
18128 * xm-iris6.h (alloca): Add prototype argument.
18130 * genpeep.c: Include "tm_p.h" in generated output file.
18132 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18134 * basic-block.h (find_edge_index): Change parameters.
18135 * flow.c (verify_edge_list): Pass basic_block parameters to
18136 find_edge_index instead of integers.
18138 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18140 * combine.c (simplify_comparison): Use an unsigned shift to adjust
18143 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
18145 * gcc.1: Fix a formatting error.
18147 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18149 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
18150 i786, mn10200, mn10300, pdp11, v850.
18152 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
18154 * libgcc2.c (num_digits): Add prototype with
18155 __attribute__((const)).
18156 (__terminate): Add prototype.
18158 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
18160 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
18162 * alpha/alpha.c (print_operand): Fix type of `code'.
18163 (alpha_output_filename): Constify.
18164 * alpha/alpha.h: Move all function declarations ...
18165 * alpha/alpha-protos.h: ... here. New file.
18166 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
18167 (SECTION_FUNCTION_TEMPLATE): Likewise.
18169 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18171 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
18172 * expr.c (expand_expr): Likewise.
18173 (do_jump): Likewise.
18174 (do_store_flag): Pass ccp_store_flag to can_compare_p.
18175 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
18177 (enum can_compare_purpose): New.
18178 (can_compare_p): Adjust prototype.
18179 (prepare_cmp_insn, prepare_operand): Declare.
18180 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
18181 * optabs.c (cmp_available_p): Deleted.
18182 (expand_abs): Pass ccp_jump to can_compare_p.
18183 (can_compare_p): New arg PURPOSE. Check for combined optabs.
18184 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
18185 Call can_compare_p rather than cmp_available_p.
18186 (prepare_operand): No longer static.
18187 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
18188 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
18189 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
18190 sequence to use emit_cmp_and_jump_insns.
18191 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
18193 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
18195 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
18196 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
18197 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
18198 (plus (reg) (const_int 0))
18199 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
18201 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
18203 * rs6000.c (expand_block_move): DImode loads and stores require
18204 word-aligned displacements. Increment address registers with
18205 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
18207 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
18209 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
18210 is no name for the base type, rather than segfault. If we are
18211 writing out a complex integer type, use DW_ATE_lo_user.
18213 * expr.c (emit_move_insn_1): If we are copying a complex that fits
18214 in one word or less (complex char, complex short, or on 64 bit
18215 systems complex float) to/from a hard register, copy it through
18216 memory instead of dying in gen_{real,imag}part. If we have a
18217 short complex type, prevent inlining since it allocates stack
18220 * tree.c (build_complex_type): If we are writing dwarf2 output,
18221 generate a name for complex integer types.
18223 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18225 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
18226 * flow.c (remove_edge): Remove extra whitespace.
18227 (remove_fake_edges): Fix comment.
18228 (add_noreturn_fake_exit_edges): Use the correct name.
18230 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
18232 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
18233 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
18234 (clean): Depend on INTL_CLEAN.
18235 (maintainer-clean): Adjust.
18237 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18239 * configure.in (AC_PREREQ): Bump to 2.13.
18240 (AC_C_STRINGIZE): Call this instead of using a custom macro.
18242 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
18244 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
18246 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
18248 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
18249 (HAVE_STRINGIZE): Define.
18251 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
18253 * c-parse.in: save and restore warn_pointer_arith on __extension__
18254 along with pedantic.
18255 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
18256 Set the type of extension to itype rather than $<itype>1 kludge.
18257 * extend.texi (Alternate Keywords): Adjust documentation.
18258 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
18260 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
18262 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
18263 most assembler templates.
18265 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
18266 FP loads and stores.
18267 (following_call): Always return zero for the PA8000.
18268 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
18269 FP loads and stores.
18270 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
18272 * pa.h (BRANCH_COST): Define.
18274 * pa.md (return, return_internal): Use bve for PA2.0.
18276 * pa.md (fused multiply): Add variants which reduce height for the
18277 fused multiply, but which still generate 2 insns.
18278 (fnegabs): Similarly.
18280 * pa.md (subsi3): Turn into an expander. Create two anonymous
18281 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
18282 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
18284 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
18286 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
18288 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
18289 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
18291 * regclass.c (init_regs): Add "top_of_stack" as a garbage
18294 * flow.c (record_active_eh_regions): Terminate loop after finding
18295 the last insn in the last basic block.
18297 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18299 * config/c4x/c4x.md: Delete parallel instruction peepholes.
18301 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18303 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
18305 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18307 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
18308 splitting to not use output template.
18310 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18312 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
18313 * config/c4x/c4x.c (c4x_va_start): New function.
18315 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
18317 * genrecog.c (not_both_true): Handle correctly cases when called for
18318 tests with different positions in the insn.
18320 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18322 * machmode.h (HOST_PTR_PRINTF): Move from here ...
18324 * system.h (HOST_PTR_PRINTF): ... to here.
18326 * mips-tfile.c: Don't include machmode.h.
18328 * Makefile.in (MACHMODE_H): New variable. Update to use it.
18329 (mips-tfile.o): Don't depend on machmode.h.
18331 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18333 * haifa-sched.c (sched_analyze): Rename local variable `region' to
18334 avoid conflicts with typedef struct `region' at the top level scope.
18336 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
18338 * basic-block.h (basic_block): Add eh_beg, eh_end.
18339 * flow.c (entry_exit_blocks): Update.
18340 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
18341 Call new functions.
18342 (find_basic_blocks_1): Don't record eh_list at each bb. Use
18343 lists.c functions to allocate insn lists.
18344 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
18346 (make_eh_edge): ... here. New.
18347 (move_stray_eh_region_notes): New.
18348 (record_active_eh_regions): New.
18349 (delete_unreachable_blocks): Split out block merging ...
18350 (try_merge_blocks): ... here. New.
18351 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
18352 Dump debugging data.
18353 (merge_blocks_move_successor_nojumps): Likewise.
18354 (merge_blocks): Use eh_beg+eh_end to validate block movement.
18356 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
18358 * extend.texi (Bound member functions): Document unbound pmf
18361 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18363 * flow.c (split_edge): Handle insertion on a fallthrough edge which
18364 has the EXIT_BLOCK as a dest.
18366 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18368 * flow.c (remove_edge): New function to remove an edge from the
18370 (remove_fake_successors): New function to remove fake successor edges.
18371 (remove_fake_edges): New function to remove all fake edges from the
18373 (add_fake_exit_edges): New function to add fake edges from all blocks
18374 with no successors to the exit block.
18375 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
18376 prototypes for new functions.
18378 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18380 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
18381 Use Pmode to determine whether to output .dword or .word.
18383 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
18385 * tree.c (built_in_filename): New variable.
18386 (BUILT_IN_FILENAME): New macro.
18387 (init_tree_codes): Allocate built_in_filename.
18388 (make_node): Use built_in_filename instead of string constant.
18390 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
18392 * configure.in: Add fr30 target.
18393 * configure: Regenerate.
18394 * config/fr30: New directory.
18395 * config/fr30/crti.asm: New file.
18396 * config/fr30/fr30.c: New file.
18397 * config/fr30/crtn.asm: New file.
18398 * config/fr30/fr30.h: New file.
18399 * config/fr30/fr30.md: New file.
18400 * config/fr30/lib1funcs.asm: New file.
18401 * config/fr30/t-fr30: New file.
18402 * config/fr30/xm-fr30.h: New file.
18404 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
18406 * flow.c (merge_blocks_move_successor_nojumps): Delete the
18407 BARRIER at the end of the successor, not the BARRIER before
18410 * pa.c (pa_add_gc_roots): Fix thinko in last change.
18412 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
18414 * stmt.c (any_pending_cleanups): Don't crash when
18415 current_function->stmt is unset.
18417 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18419 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
18420 other initializations that may use it for relative offsets.
18422 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18424 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
18425 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
18426 * config/i386/sol2dbg.h: Removed.
18427 * config/i386/sol2gas.h: New file, to enable gas work-around.
18428 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
18429 Don't use sol2dbg.h.
18430 * configure: Rebuilt.
18432 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
18434 * invoke.texi (-fthis-is-variable): Remove documentation.
18436 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
18438 * basic-block.h (compute_bb_for_insn): Declare.
18439 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
18440 to use; set size of basic_block_for_insn directly.
18441 (find_basic_blocks): Update.
18443 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18445 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
18447 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18449 * crtstuff.c (ON_EXIT): Delete empty macro definition.
18450 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
18452 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
18454 * c-decl.c (c_decode_option): Extend comment.
18456 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
18458 * toplev.c (progname): Make 'const char *'
18459 (flag_print_mem): Move out of main.
18460 (version_flag): Move out of main.
18461 (filename): Move out of main.
18462 (debug_args): Remove g prefix from options.
18463 (documented_lang_options): Remove cpplib specific options.
18464 (display_help): Add g prefix to debug options.
18465 (check_lang_option): Delete this function.
18466 (decode_d_option): New function: Decode -d... option.
18467 (decode_f_option): New function: Decode -f... option.
18468 (decode_W_option): New function: Decode -W... option.
18469 (decode_g_option): New function: Decode -g... option.
18470 (independent_decode_option): New function: Decode a language
18471 independent command line option.
18472 (main): Invoke lang_decode_option and then
18473 independent_decode_option on each command line option in
18476 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
18478 Revert this change. Gavin's patch to operand_equal_p is a better fix.
18479 * fold-const.c (fold_range_test): Do not try to fold the range
18480 test if the rhs or lhs has side effects.
18482 * basic-block.h (compute_flow_dominators): Declare.
18484 * gcse.c (alloc_code_hoist_mem): New function.
18485 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
18486 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
18487 (hoist_code, one_code_hoisting_pass): Likewise.
18488 (gcse_main): If optimizing for size, then hoist expressions
18489 computed in multiple dominated basic blocks.
18491 * gcse.c (invalid_nonnull_info): New function.
18492 (delete_null_pointer_checks): Likewise.
18493 * rtl.h (delete_null_pointer_checks): Declare.
18494 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
18496 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
18497 (merge-blocks_move_successor_nojumps): Likewise.
18498 (merge_blocks): Allow merging of some blocks, even if it requires
18499 physical movement of the blocks, but not if it requires new jumps.
18501 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
18502 Callers and prototype changed.
18503 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
18505 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18507 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
18508 -YP when both -p and -pg are present. From i386/sol2.h.
18510 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18512 * Makefile.in (distclean): Delete tm_p.h.
18513 * configure.in: Create a new file, "tm_p.h", from a list in
18514 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
18515 "i386/i386-protos.h".
18517 * alias.c: Include "tm_p.h".
18518 * c-typeck.c: Likewise.
18519 * calls.c: Likewise.
18521 * emit-rtl.c: Likewise.
18522 * explow.c: Likewise.
18523 * expmed.c: Likewise.
18524 * expr.c: Likewise.
18525 * final.c: Likewise.
18526 * flow.c: Likewise.
18527 * fold-const.c: Likewise.
18528 * function.c: Likewise.
18529 * gcse.c: Likewise.
18530 * global.c: Likewise.
18531 * haifa-sched.c: Likewise.
18532 * integrate.c: Likewise.
18533 * jump.c: Likewise.
18534 * local-alloc.c: Likewise.
18535 * loop.c: Likewise.
18536 * optabs.c: Likewise.
18537 * recog.c: Likewise.
18538 * reg-stack.c: Likewise.
18539 * regclass.c: Likewise.
18540 * regmove.c: Likewise.
18541 * reload.c: Likewise.
18542 * reload1.c: Likewise.
18543 * reorg.c: Likewise.
18544 * resource.c: Likewise.
18545 * stmt.c: Likewise.
18546 * stor-layout.c: Likewise.
18547 * toplev.c: Likewise.
18548 * tree.c: Likewise.
18549 * unroll.c: Likewise.
18550 * genattrtab.c (main): Make generated file include "tm_p.h".
18551 * genemit.c (main): Likewise.
18552 * genoutput.c (main): Likewise.
18553 * genrecog.c (main): Likewise.
18555 * i386.h: Delete all prototypes.
18556 * i386.c: Include "tm_p.h".
18557 (ix86_attr_length_default): Call constant_call_address_operand
18558 with correct number of arguments.
18559 * i386-protos.h: New file.
18560 * i386.md (unnamed patterns): Call constant_call_address_operand
18561 with correct number of arguments.
18562 (exception_receiver): Call load_pic_register with correct number
18565 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
18567 * c-pragma.c (mark_align_stack): Dereference the void* properly.
18569 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
18571 * rtl.h (insns_safe_to_move_p): New function.
18572 * loop.c (find_and_verify_loops): Use it.
18573 * rtlanal.c (insns_safe_to_move_p): Define it.
18575 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
18577 * c-pragma.c: Include ggc.h.
18578 * Makefile.in (c-pragma.o): Update.
18580 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18582 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
18583 (LIB_SPEC): Likewise.
18584 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
18585 Reindent -YP/-p/-pg.
18586 Copied from config/sparc/sol2.h.
18588 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
18590 * c-pragma.c (mark_align_stack): New.
18591 (init_pragma): New.
18592 * c-pragma.h (init_pragma): Declare it.
18593 * c-lex.c (init_parse): Call it.
18595 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18597 * configure.in: Pick up thread library on Solaris/x86 just
18598 like on Solaris/sparc.
18599 * configure: Rebuilt.
18601 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
18603 * rtl.h (global_rtx_index): New enum.
18604 (global_rtl): Change to array of rtx.
18605 (pc_rtx, cc0_rtx): Redefine accordingly.
18606 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
18607 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
18608 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
18609 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
18610 (const_int_rtx): Change to array of rtx.
18611 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
18613 * emit-rtl.c (global_rtl): Change to array of rtx.
18614 (const_int_rtx): Change to aray of rtx.
18615 (gen_rtx_CONST_INT): Redefine accordingly.
18616 (init_emit_once): Allocate and initialize global_rtl. Likewise
18617 for const_int_rtx. Add both as GC roots.
18618 * genattrtab.c (global_rtl): Update declaration.
18620 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
18622 * Makefile (USER_H): Add iso646.h back.
18624 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
18626 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
18627 zapping the LOG_LINKS of sched_before_next_call.
18629 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
18630 * pa.c (insn_refs_are_delayed): Renamed from
18631 insn_sets_and_refs_are_delayed.
18633 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
18635 * functiion.h (struct function): Add x_whole_function_mode_p.
18636 (retrofit_block): Declare.
18637 * function.c (retrofit_block): New function.
18638 (identify_blocks): Add assertions. Allow an incomplete set of
18639 block notes if we're still generating code for the function.
18640 * integrate.c: Include loop.h.
18641 (expand_inline_function): Call find_loop_tree_blocks to map block
18642 notes to blocks when in whole-function mode. Use retrofit_block
18643 to insert new BLOCKs for the inlined function, rather than
18645 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
18646 * Makefile.in (integrate.o): Depend on loop.h.
18648 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
18650 * tree.h (warn_about_unused_variables): Declare.
18651 * stmt.c (warn_about_unused_variables): New function, split out
18653 (expand_end_bindings): Here.
18655 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
18657 * stmt.c (preserve_subexpressions_p): Don't crash when
18658 current_function->stmt is unset.
18660 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
18662 * stmt.c (expand_start_bindings): Allow callers to pass a flag
18663 indicating that no NOTE_INSN_BLOCK_BEG note is required.
18664 (expand_start_target_temps): Use it.
18665 * except.c (expand_eh_region_start_for_decl): Likewise.
18666 * expr.c (expand_expr): Likewise.
18668 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
18670 * fold-const.c (operand_equal_p): Pay attention to side effects.
18672 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
18674 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
18675 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
18677 * tlink.c (scan_linker_output): Look for keywords before accepting
18678 a mangled name in quotes.
18680 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
18682 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
18683 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
18685 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
18687 * alpha.md: Revert Thu Nov 26 change that came in through the
18688 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
18689 Avoid earlyclobber when possible.
18691 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18693 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
18695 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
18696 Define HAVE_ON_EXIT.
18698 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18700 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
18701 CTYPE_CONV in all ctype macros.
18703 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
18706 * cexp.y (initialize_random_junk): Likewise.
18708 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
18710 * i370.c (handle_pragma): Likewise.
18712 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
18714 * v850.c (override_options): Likewise.
18716 * doprint.c (_doprnt): Likewise.
18718 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
18721 * fixinc/server.c (load_data): Likewise.
18723 * fold-const.c (real_hex_to_f): Likewise.
18725 * genattr.c (write_upcase, gen_attr): Likewise.
18727 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
18728 write_upcase): Likewise.
18730 * genemit.c (print_code): Likewise.
18732 * genopinit.c (gen_insn): Likewise.
18734 * genpeep.c (print_code): Likewise.
18736 * genrecog.c (print_code): Likewise.
18738 * optabs.c (init_libfuncs): Likewise.
18740 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
18742 * haifa-sched.c (sched_analyze): Keep the list of notes organized
18744 (reemit_notes): Likewise.
18746 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
18748 * ggc.h (ggc_root): Move to ggc-common.c.
18750 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
18751 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
18752 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
18753 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
18754 * ggc-common.c (ggc_root): Move from ggc.h.
18755 (roots): Declare, static.
18756 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
18757 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
18758 null or check/set mark bit.
18759 (ggc_mark_roots): New.
18760 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
18762 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
18764 * m32r.c: Include toplev.h.
18765 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
18766 (gen_compare): Rename swap_p to must_swap to match uses.
18767 Add default abort case.
18768 (m32r_output_function_epilogue): Remove unused variables.
18769 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
18770 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
18771 define to empty parameter list. Update all uses.
18772 (predicate decls): Use enum machine_mode not int.
18773 * m32r.md (movsi): Call abort, not fatal_insn.
18774 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
18776 1999-09-14 Andrew Haley <aph@cygnus.com>
18778 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
18779 use $0 instead of 0.
18781 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18783 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
18784 computation out of loop over hard regs.
18786 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
18788 * function.c (identify_blocks): Don't shadow a variable in an
18790 * integrate.c (integrate_decl_tree): Don't use pushlevel,
18791 pushdecl, or poplevel to build up the new BLOCK tree.
18792 (expand_inline_function): Likewise.
18793 (integrate_parm_decls): Likewise.
18795 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
18797 * c-typeck.c (qualify_type): Merge qualifiers from both types.
18799 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
18801 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
18802 * invoke.texi: Document this change.
18804 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
18806 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
18808 (mark_emit_status): Renamed from mark_emit_state.
18809 * except.c (mark_eh_status): Renamed from mark_eh_state.
18810 Check not null before marking.
18811 (free_eh_status): New.
18812 * expr.c (mark_expr_status, free_expr_status): New.
18813 * function.c (free_machine_status): New.
18814 (free_after_parsing): New.
18815 (free_after_compilation): Move bits to free_after_parsing; call
18816 free_eh_status, free_expr_status; zero the marked members of the
18818 (prepare_function_start): No can_garbage_collect.
18819 Call init_eh_for_function.
18820 (expand_dummy_function_end): Free up current_function state.
18821 (mark_function_status): Renamed from mark_function_state.
18822 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
18823 * function.h (struct function): No can_garbage_collect.
18824 (free_machine_status, free_after_parsing): Declare.
18825 (free_eh_status, free_expr_status): Declare.
18826 * ggc.h (mark_expr_status): Declare.
18827 * stmt.c (free_stmt_status): Free the struct.
18828 (mark_stmt_status): Renamed from mark_stmt_state.
18829 (init_stmt): Don't call init_eh.
18830 (init_stmt_for_function): Don't call init_eh_for_function.
18831 * toplev.c (compile_file): Call init_eh.
18832 (rest_of_compilation): Free basic block info before ggc_collect.
18833 Call free_after_parsing; conditionally call free_after_compilation.
18834 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
18835 Check not null before marking.
18836 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
18838 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
18840 * c-lex.c (yylex): Initialize warn.
18842 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
18844 * pa.c (emit_move_sequence): Properly set the mode of the scratch
18845 register when performing secondary reloads for the SAR register.
18847 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
18849 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
18850 (NOTE_BLOCK): New macro.
18851 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
18852 * function.h (identify_blocks): Change prototype.
18853 * function.c (identify_blocks): Simplify.
18854 (reorder_blocks): Likewise.
18855 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
18856 NOTE_INSN_BLOCK_{BEG,END}.
18857 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
18858 the list of saved notes if the note isn't a
18859 NOTE_INSN_BLOCK_{BEG,END}.
18860 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
18862 (reemit_notes): Adjust recreation of notes to reflect new saved
18864 * print-rtl.c (print_rtx): Print the address of the BLOCK when
18865 printing a block note.
18866 * stmt.c (block_vector): Remove.
18867 (find_loop_tree_blocks): Simplify.
18868 (unroll_block_trees): Likewise.
18869 * tree.h (reorder_block): Change prototype.
18871 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
18873 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
18874 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
18875 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
18876 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
18877 (atexit, exit): Simplify.
18878 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
18879 * config/lots: Remove defns of HAVE_ATEXIT.
18881 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
18883 * calls.c (precompute_arguments): Fix typo in comment.
18884 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
18887 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
18889 * dsp16xx.c (override_options): Fix typos in GC root registration.
18891 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
18893 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
18894 from config/svr4.h.
18895 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
18896 (FUNCTION_PROFILER): Redefine appropriately for Linux.
18897 (CC1_SPEC): Likewise.
18899 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18901 * genattr.c (main): Add extern prototype. Call return, not exit.
18902 * genattrtab.c (main): Likewise.
18903 * gencheck.c (main): Likewise.
18904 * gencodes.c (main): Likewise.
18905 * genconfig.c (main): Likewise.
18906 * genemit.c (main): Likewise.
18907 * genextract.c (main): Likewise.
18908 * genflags.c (main): Likewise.
18909 * gengenrtl.c (main): Likewise.
18910 * genopinit.c (main): Likewise.
18911 * genoutput.c (main): Likewise.
18912 * genpeep.c (main): Likewise.
18913 * genrecog.c (main): Likewise.
18915 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
18916 * genattrtab.c (get_insn_name): Likewise.
18917 * gencodes.c (get_insn_name): Likewise.
18918 * genconfig.c (get_insn_name): Likewise.
18919 * genemit.c (get_insn_name): Likewise.
18920 * genextract.c (get_insn_name): Likewise.
18921 * genflags.c (get_insn_name): Likewise.
18922 * genopinit.c (get_insn_name): Likewise.
18923 * genpeep.c (get_insn_name): Likewise.
18925 * gencheck.c (usage): Add static prototype.
18926 * genextract.c (print_path): Constify a char*.
18927 * genopinit.c (optabs): Likewise.
18928 * genoutput.c (operand_data, data, output_predicate_decls,
18929 compare_operands): Likewise.
18930 * genrecog.c (write_tree): Add default case in switch.
18932 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18934 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
18936 * print-rtl.c (get_insn_name): Remove prototype.
18938 * toplev.h (progname): Declare const.
18940 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
18941 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
18942 dump_sched_info, dump_local_alloc, regset_release_memory,
18943 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
18944 error_with_file_and_line, error_with_decl, error_for_asm, error,
18945 fatal, warning_with_file_and_line, warning_with_decl, warning,
18946 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
18947 Remove redundant prototypes.
18949 (notice, check_lang_option, report_file_and_line, vnotice,
18950 mark_file_stack): Add static prototype.
18951 (set_fatal_function): Add prototype.
18952 (vnotice, report_file_and_line, set_fatal_function,
18953 check_lang_option): Constify a char*.
18954 (main): Prototype. Call return, not exit.
18956 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18958 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
18960 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
18962 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
18964 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
18966 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18968 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
18969 behave as if it's zero in all cases.
18970 (expand_function_start): Adjust call to assign_parms.
18971 * tree.h (assign_parms): Adjust prototype.
18972 * objc/objc-act.c (hack_method_prototype): Adjust call to
18975 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
18977 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
18978 arg_pointer_rtx fixed if the argument pointer register is
18980 (NONZERO_BASE_PLUS_P): Likewise.
18982 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
18984 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
18985 match_insn2 to match_insn.
18986 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
18988 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
18990 * Makefile.in (USER_H): Remove va-foo.h.
18992 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
18993 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
18994 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
18995 va-spur.h,va-v850.h}: Remove.
18997 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
18999 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19000 (in_return_delay): Use it instead of match_insn.
19002 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19004 * config/alpha/va_list.h (va-alpha.h): Do not include.
19005 (__gnuc_va_list): Typedef as in varargs.h.
19007 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19009 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19010 DECL_LIVE_RANGE_RTL.
19012 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19014 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19015 not NOTE_BLOCK_NUMBER.
19016 (expand_eh_region_end): Likewise.
19017 (find_exception_handler_labels): Likewise.
19018 (scan_region): Likewise.
19019 (exception_optimize): Likewise.
19020 (update_rethrow_references): Likewise.
19021 (set_insn_eh_region): Likewise.
19022 * final.c (final_scan_insn): Likewise.
19023 * flow.c (make_edges): Likewise.
19024 * integrate.c (expand_inline_function): Likewise.
19025 * print-rtl.c (print_rtx): Likewise.
19027 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19029 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19030 terms of builtin functions and types.
19032 * mips.c (mips_build_va_list): New.
19033 (mips_va_start, mips_va_arg): New.
19034 * mips.h (BUILD_VA_LIST_TYPE): New.
19035 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19037 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19038 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19039 * sh.h (BUILD_VA_LIST_TYPE): New.
19040 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19042 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19044 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19045 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19046 (struct insn_data): Likewise with n_operands, n_dups,
19047 n_alternatives, output_format.
19048 * regclass.c (scan_one_insn): Cast n_operands to int before
19049 arithmetic inside comparison.
19051 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19053 * toplev.c (compile_function): Unconditionally emit nop.
19055 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19057 * haifa-sched.c (actual_hazard): Move declaration of variable
19058 `this_cost' into the scope where it is used.
19060 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19062 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19063 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19064 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19066 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19068 * jump.c (find_insert_position): Don't declare or define unless
19069 !HAVE_conditional_arithmetic.
19070 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19072 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19074 * recog.c (offsettable_address_p): Prototype function pointer.
19075 (preprocess_constraints): Call memset, not bzero.
19077 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19078 (gcc_obstack_init): Don't declare.
19079 (fix_sizetype): Add static prototype.
19080 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19081 (tree_cons): Call memset, not bzero.
19083 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19084 definition in macro ASM_WEAKEN_LABEL.
19085 (mark_const_hash_entry): Add static prototype.
19087 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19089 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19091 * unroll.c (find_common_reg_term, subtract_reg_term,
19092 loop_find_equiv_value): Add static prototypes.
19093 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19094 (copy_loop_body): Remove unreachable break statement.
19096 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19098 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19100 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19102 Undo some changes from the gcc2 merge:
19103 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19104 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19108 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19109 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19110 initialized float-int union if the value is a NaN.
19112 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19114 * gthr-win32.h: New file.
19116 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19117 shared as a valid attribute.
19118 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19119 * extend.texi: Document `shared' variable attribute.
19121 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19123 * configure.in: Handle --enable-threads on FreeBSD.
19124 * configure: Rebuit.
19126 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19128 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19130 * configure: Rebuilt.
19132 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19133 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19134 Rosimildo DaSilva <rdasilva@connecttel.com>
19136 * configure.in (m68k-*-rtemscoff*): Added.
19137 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19138 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19139 sparc-rtems configuration.
19140 * configure.in (sparc-*-rtemself*): Added.
19141 * configure.in (sparc-*-rtems*): Now ELF not a.out.
19142 * config/i386/rtems.h: Added comment.
19143 * config/sparc/rtemself.h: New file.
19145 * configure.in (m68k-rtemself): Added.
19146 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
19147 and DWARF_DEBUGGING_INFO.
19148 * config/m68k/crti.s: New file.
19149 * config/m68k/crtn.s: New file.
19150 * config/m68k/t-crtstuff: New file.
19151 * config/m68k/rtemself.h: New file.
19153 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
19154 global ctor/dtor and C++ exception handling.
19155 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
19156 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
19158 * config/i386/t-rtems-i386: New File.
19160 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
19162 * stmt.c (expand_end_case): Return right away if the case stack is
19165 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
19167 * Makefile.in (version.c): Remove rule incorrectly brought in from
19170 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
19172 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
19173 * msdos/top.sed: Take into account a prepended $(SHELL) to
19175 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
19177 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
19179 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19181 * regmove.c (fixup_match_1): Don't change an unchanging register.
19182 (stable_but_for_p): Renamed to:
19183 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
19184 Changed all callers.
19186 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
19188 * loop.c (strength_reduce): Don't call reg_used_between_p if the
19189 insn from BL2 is after the insn from BL.
19191 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
19193 * recog.h (INSN_OUTPUT_FORMAT_*): New.
19194 (struct insn_data): Merge `template' and `outfun' into `output'.
19195 Add `output_format'.
19196 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
19197 (struct data): Remove `outfun'; add `output_format'.
19198 (name_for_index): Remove declaration.
19199 (output_insn_data): Handle output formats.
19200 (process_template): Emit the bare array for @.
19201 (gen_expand, gen_split): Set output_format to NONE.
19202 * output.h (get_insn_template): Declare.
19203 * final.c (get_insn_template): New.
19204 (final_scan_insn): Use it.
19205 * toplev.c (compile_file): Likewise.
19207 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19208 * i860/i860.c (output_delayed_branch): Likewise.
19209 (output_delay_insn): Likewise.
19211 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19213 * rtl.c (obstack_alloc_rtx): Removed.
19215 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
19217 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
19219 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
19221 * i386.c (call_insn_operand): Reject const_int.
19222 (expander_call_insn_operand): Use call_insn_operand.
19224 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19226 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
19228 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
19230 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
19231 Use DImode operation.
19233 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
19235 * gcc.c: Include sys/resource.h.
19236 (report_times): New flag.
19237 (execute): If report_times is set, calculate and report the
19238 CPU time consumed by each subprocess.
19240 (rus, prus): New globals.
19241 (option_map): Add --time.
19242 (display_help): Document -time.
19243 (process_command): Set report_times if -time is given.
19244 Turn off -pipe if -time is given.
19246 * invoke.texi: Document new option -time.
19248 * configure.in: Check for getrusage. Check if we have to
19249 prototype getrusage.
19250 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
19251 * configure: Regenerate.
19252 * config.in: Regenerate.
19254 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
19256 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
19259 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
19261 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
19262 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
19263 (nan): Return _thenan_sf or _thenan_df as appropriate.
19264 (L_thenan_sf): Define _thenan_sf.
19265 (L_thenan_df): Define _thenan_df.
19267 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
19268 (DPBIT_FUNCS): Add _thenan_df.
19270 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
19272 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
19275 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19277 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
19280 (lang_specific_driver): Don't take a function pointer parameter.
19281 All callers changed.
19283 * gcc.c: Include gcc.h.
19284 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
19285 lang_specific_extra_outfiles, fatal): Don't declare.
19286 (multilib_defaults_raw): Constify.
19287 (read_specs): Call memset, rather than bzero.
19288 (main): Call return, not exit.
19289 (lookup_compiler): Call memcpy, not bcopy.
19290 (fatal): Make extern.
19292 * cppspec.c: Include gcc.h.
19293 (lang_specific_driver): Initialize variable `quote'. Constify a
19294 char*. All calls to the function pointer parameter now
19295 explicitly call `fatal'.
19297 * gccspec.c (lang_specific_driver): Include gcc.h.
19299 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
19301 * arm.c (note_invalid_constants): Use recog_data.operand_type
19304 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19306 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
19309 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
19310 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19311 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19312 reload_secondary_in_reload, reload_secondary_out_reload,
19313 reload_secondary_in_icode, reload_secondary_out_icode,
19314 reload_reg_rtx, reload_when_needed): Delete declarations.
19315 (struct reload): New structure.
19316 (rld): Declare new array.
19317 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
19318 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
19319 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
19320 reload_secondary_in_reload, reload_secondary_out_reload,
19321 reload_secondary_in_icode, reload_secondary_out_icode,
19322 reload_reg_rtx, reload_when_needed): Delete definitions.
19324 (whole file): Replace uses of the deleted arrays with uses of rld.
19325 * reload1.c (whole file): Replace uses of the deleted arrays with
19327 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
19328 explicit loops, not with bcopy.
19330 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
19332 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
19333 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
19334 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
19335 insn_name): Delete and consolidate into new structures.
19336 (insn_operand_predicate_fn): New.
19337 (insn_output_fn): New.
19338 (insn_gen_fn): New.
19339 (struct insn_operand_data): New.
19340 (struct insn_data): New.
19342 (OUT_FCN): Update for insn_data change.
19343 * builtins.c (expand_builtin_strlen): Likewise.
19344 (expand_builtin_memcmp): Likewise.
19345 * combine.c (make_extraction, simplify_comparison): Likewise.
19346 * cse.c (canon_reg, cse_insn): Likewise.
19347 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
19348 * expmed.c (store_bit_field, extract_bit_field): Likewise.
19349 (emit_store_flag): Likewise.
19350 * expr.c (convert_move, emit_block_move): Likewise.
19351 (clear_storage, emit_push_insn, expand_increment): Likewise.
19352 (do_store_flag): Likewise.
19353 * expr.h (GEN_FCN): Likewise.
19354 (insn_gen_function): Die.
19355 * final.c (final_scan_insn): Update for insn_data change.
19356 (output_asm_name): Likewise.
19357 * function.c (fixup_var_refs_1): Likewise.
19358 * loop.c (check_dbra_loop): Likewise.
19359 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
19360 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
19361 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
19362 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
19363 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
19364 * regmove.c (gen_add3_insn): Likewise.
19365 * reload.c (push_secondary_reload, combine_reloads): Likewise.
19366 (find_reloads, find_reloads_address_1): Likewise.
19367 (debug_reload_to_stream): Likewise.
19368 * reload1.c (emit_reload_insns, gen_reload): Likewise.
19369 * stmt.c (expand_end_case): Likewise.
19370 * toplev.c (compile_file): Likewise.
19372 * c4x/c4x.c (c4x_process_after_reload): Likewise.
19373 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19375 * print-rtl.c (insn_name_ptr): Remove declaration.
19376 (get_insn_name): Declare.
19377 (print_rtx): Use it.
19378 * genoutput.c (insn_name_ptr): Remove.
19379 (next_operand_number): New.
19380 (struct operand_data): New.
19381 (null_operand, odata, odata_end): New.
19382 (struct data): Use struct operand_data.
19383 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
19384 (get_insn_name): Renamed from name_for_index.
19385 (output_prologue): Define NO_MD_PROTOTYPES.
19386 (output_predicate_decls): Break out from output_epilogue.
19387 Iterate over the operands list.
19388 (output_operand_data): Break out from output_epilogue. Emit
19389 just the operands list.
19390 (output_insn_data): Break out from output_epilogue. Emit just
19392 (output_epilogue): Remove.
19393 (output_get_insn_name): New.
19394 (constraints, op_n_alternatives, predicates, address_p): Die.
19395 (modes, strict_low, seen): Die.
19396 (scan_operands): Take new param `d' instead of writing to
19397 seven global variables.
19398 (compare_operands): New.
19399 (place_operands): New.
19400 (validate_insn_alternatives): Update for struct data change.
19401 (gen_insn): Don't zero or copy 7 global arrays. Update for
19402 scan_operands; call place_operands.
19403 (gen_peephole, gen_expand, gen_split): Likewise.
19404 (main): Update for new output routines.
19406 * genattr.c (insn_name_ptr): Remove.
19407 (get_insn_name): New function.
19408 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
19409 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
19410 * genrecog.c: Likewise.
19412 * alpha.md (adddi3): Make `pattern' array static.
19414 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19416 * config/c4x/c4x.h (c4x_rpts_cycles_string,
19417 c4x_cpu_version_string): Constify char *.
19418 * config/c4x/c4x.c (c4x_rpts_cycles_string,
19419 c4x_cpu_version_string): Likewise.
19421 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
19423 * tree.c (save_tree_status): Revert 10 Sep change.
19424 (restore_tree_status): Likewise. Call obstack_free with NULL
19425 before freeing the obstack proper.
19427 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
19429 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
19431 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
19432 surrounding context.
19434 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
19436 * tree.c (type_hash_canon): Put all types in the hash-table, when
19439 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
19441 * recog.h (struct recog_data, recog_data): New.
19442 (recog_foo variables): Kill.
19443 * recog.c (recog_operand, recog_operand_loc): Kill.
19444 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
19445 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
19446 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
19447 (recog_data): Define.
19448 (extract_insn): Update all recog_foo references to use recog_data.
19449 (preprocess_constraints, constrain_operands): Likewise.
19450 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
19451 * genattrtab.c (main): Likewise.
19452 * genextract.c (main): Likewise.
19453 * genoutput.c: Likewise.
19454 * genrecog.c (write_subroutine, main): Likewise.
19455 * local-alloc.c (block_alloc): Likewise.
19456 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
19457 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
19458 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
19459 * reload.c (find_reloads, find_reloads_toplev): Likewise.
19460 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
19461 (reload_cse_simplify_operands): Likewise.
19463 * arc/arc.c (arc_final_prescan_insn): Likewise.
19464 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
19465 * h8300/h8300.c (notice_update_cc): Likewise.
19466 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
19467 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
19468 * mn10200/mn10200.c (notice_update_cc): Likewise.
19469 * mn10300/mn10300.c (notice_update_cc): Likewise.
19470 * romp/romp.c (update_cc): Likewise.
19471 * sparc/sparc.c (check_pic): Likewise.
19472 * v850/v850.c (notice_update_cc): Likewise.
19474 * genemit.c (main): Don't declare recog_operand.
19476 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
19478 * ggc.h (rtvec_def): Forward declare.
19479 (tree_node): Likewise.
19480 (ggc_root): Define.
19482 (ggc_set_mark_rtx): Add prototype.
19483 (ggc_set_mark_rtvec): Likewise.
19484 (ggc_set_mark_tree): Likewise.
19485 * ggc-simple.c (ggc_root): Don't define.
19486 (roots): Don't declare.
19487 (ggc_mark_rtx): Remove.
19488 (ggc_mark_rtvec): Likewise.
19489 (ggc_mark_tree): Likewise.
19490 (ggc_mark_varray): Likewise.
19491 (ggc_mark_tree_hash_table_entry): Likewise.
19492 (ggc_mark_tree_hash_table): Likewise.
19493 (ggc_set_mart_rtx): New function.
19494 (ggc_set_mark_rtvec): Likewise.
19495 (ggc_set_mark_tree): Likewise.
19496 (ggc_add_root): Remove.
19497 (ggc_add_rtx_root): Likewise.
19498 (ggc_remove_tree_root): Likewise.
19499 (ggc_add_string_root): Likewise.
19500 (ggc_add_tree_varray_root): Likewise.
19501 (ggc_add_tree_hash_table_root): Likewise.
19502 (ggc_del_root): Likewise.
19503 (ggc_mark_rtx_ptr): Likewise.
19504 (ggc_mark_tree_ptr): Likewise.
19505 (ggc_mark_string_ptr): Likewise.
19506 (ggc_mark_tree_varray_ptr): Likewise.
19507 (ggc_mark_tree_hash_table_ptr): Likewise.
19508 * ggc-common.c: New file.
19509 * Makefile.in (OBJS): Add ggc-common.o.
19510 (ggc-common.o): List dependencies.
19512 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
19514 * cppalloc.c (xstrdup): Use memcpy.
19515 * cpperror.c (cpp_print_containing_files): Don't use
19517 * cpplib.c (conditional_skip): Set temp->lineno.
19518 (do_endif): Make error message less obscure.
19519 (if_directive_name): New function.
19520 (cpp_get_token [case EOF]): Unwind the if stack and generate
19521 error messages for each unterminated conditional in this file.
19522 (parse_string): Do not behave differently if -traditional.
19524 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
19526 * builtins.c (expand_builtin_va_arg): Cope with an array-type
19527 va_list decomposing to pointer-type.
19528 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
19529 (rs6000_va_arg): Likewise.
19531 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
19533 * except.c (start_dynamic_handler): Compute size using
19534 STACK_SAVEAREA_MODE.
19536 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19538 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
19539 include directory headers. Don't define strrchr. Don't provide
19540 my_* replacement functions. Prefer PTR over `pointer_type'.
19541 Don't prototype system functions. Don't redefine getopt.
19543 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
19544 safe_read, safe_write, save_pointers, restore_pointers,
19545 is_id_char, in_system_include_dir, directory_specified_p,
19546 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
19547 find_corresponding_lparen, referenced_file_is_newer,
19548 save_def_or_dec, munge_compile_params, gen_aux_info_file,
19549 process_aux_info_file, identify_lineno, check_source,
19550 seek_to_line, forward_to_next_token_char, output_bytes,
19551 output_string, output_up_to, other_variable_style_function,
19552 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
19553 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
19554 find_static_definition, connect_defs_and_decs, add_local_decl,
19555 add_global_decls, needs_to_be_converted, visit_each_hash_node,
19556 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
19557 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
19558 scan_for_missed_items, edit_file, string_list_cons): Add static
19560 (standard_exec_prefix, target_machine, target_version,
19561 default_syscalls_dir, string_list, string_list_cons, find_file,
19562 do_cleaning): Constify a char*.
19563 (safe_read, safe_write): Use PTR, not a char*.
19564 (is_id_char): Take an int, not a char.
19565 (main): Add prototype. Call return, not exit.
19567 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
19569 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
19570 when comparing types.
19572 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
19574 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
19575 (strength_reduce): Release the varrays from the no-bivs early exit.
19577 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
19578 the loop over the registers.
19580 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
19582 (restore_tree_status): Check that instead when freeing the obstack.
19584 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
19586 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
19589 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19591 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
19592 operand size modifiers.
19594 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19596 * c-common.c (c_common_nodes_and_builtins): Don't build
19598 * c-common.h (enum c_tree_index and related accesor macros): Remove
19599 everything now declared in tree.h.
19600 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19601 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
19602 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
19603 (error_mark_node, void_type_node, char_type_node, integer_type_node,
19604 unsigned_type_node, ptr_type_node, va_list_type_node,
19605 integer_zero_node, null_pointer_node, integer_one_node): Delete.
19606 (init_decl_processing): Call build_common_tree_nodes and
19607 build_common_tree_nodes_2 instead of building their nodes here.
19608 Don't add roots for these nodes.
19609 * stor-layout.c (size_zero_node, size_one_node): Delete.
19610 (set_sizetype): Make a new node for bitsizetype each time.
19611 * tree.c (global_trees): New variable.
19612 (init_obstacks): Add a gc root for it.
19613 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
19614 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
19615 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
19616 (build_common_tree_nodes): New function.
19617 (fix_sizetype): New function.
19618 (build_common_tree_nodes_2): New function.
19619 * tree.h (enum tree_index): New.
19620 (global_trees): Declare.
19621 Add accessor macros for all nodes now moved to global_trees.
19622 Delete their declarations.
19624 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
19626 * c-decl.c (finish_function): When processing a nested function,
19627 push and pop GC context around rest_of_compilation.
19629 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
19631 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
19632 Default ix86_arch to PROCESSOR_I386.
19633 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
19634 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
19635 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
19636 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
19637 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
19638 (EXTRA_SPECS): Remove deleted specs.
19640 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
19642 * function.c (assign_stack_local_1): Allocate from
19643 function->x_frame_offset, not frame_offset.
19645 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
19647 * ggc.h (lang_cleanup_tree): Remove.
19648 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
19649 * ggc-callbacks.c (lang_cleanup_tree): Remove.
19651 * c-decl.c (finish_struct): Use ggc_alloc to allocate
19652 TYPE_LANG_SPECIFIC when garbage collecting.
19653 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
19654 (lang_cleanup_tree): Remove.
19656 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19658 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
19659 * crtstuff.c: Not here.
19660 * dwarf2out.c: Or here.
19661 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
19664 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
19666 * function.h (free_after_compilation): Remove decl parameter.
19667 (free_varasm_status0: Likewise.
19668 (free_emit_status): Likewise.
19669 (free_stmt_status): Likewise.
19670 (free_after_compilation): Likewise.
19671 (init_lang_status): New variable.
19672 (free_lang_status): Likewise.
19673 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
19674 * function.c (init_lang_status): New variable.
19675 (free_lang_status): Likewise.
19676 (push_function_context_to): Don't set function::decl here.
19677 (free_after_copmilation): Make decl parameter implicit. Call
19678 free_lang_status if defined.
19679 (prepare_function_start): Call init_lang_status if defined.
19680 (init_function_start): Set function::decl here.
19681 * profile.c (output_func_start_profiler): Don't call pushdecl
19682 until we've actually started the function.
19683 * stmt.c (free_stmt_status): Make decl parameter implicit.
19684 * toplev.c (rest_of_compilation): Don't pass decl to
19685 free_after_compilation.
19686 * varasm.c (free_varasm_status): Likewise.
19688 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19690 * except.c (call_get_eh_context): Add root when allocating static
19693 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
19695 * arm.c: Include "ggc.h".
19696 (arm_add_gc_roots): New function.
19697 (arm_override_options): Call it.
19698 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
19700 * arm.md (define_asm_attributes): Add a pool_range attribute.
19702 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
19704 * extend.texi (Volatiles): New node.
19706 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
19708 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
19709 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
19710 (struct ggc_any): Replace `mark' with `magic_mark'.
19711 (ggc_alloc_string): Use memcpy, not bcopy.
19712 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
19713 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
19714 (ggc_free_any): New.
19715 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
19716 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
19717 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
19718 Use IS_MARKED. Use ggc_free_any.
19720 1999-09-09 Scott Bambrough <scottb@netwinder.org>
19722 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
19724 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
19726 * toplev.c (main): Always init_ggc.
19728 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
19730 * except.c (find_all_handler_type_matches): Free the list if
19731 we found no matches.
19733 * combine.c (SUBST): Break out to a real function do_SUBST.
19734 (SUBST_INT): Likewise.
19735 * gcse.c (free_pre_mem): Free `temp_bitmap'.
19736 (pre_insert): Free `inserted'.
19737 * loop.c (basic_induction_var): Always set `location'.
19739 * function.c (expand_function_end): Add initial_trampoline as a root.
19740 * rtl.h (init_varasm_once): Declare.
19741 * toplev.c (compile_file): Call it.
19742 * ggc-simple.c (ggc_mark_string_ptr): New.
19743 (ggc_add_string_root): New.
19744 (ggc_collect): Disable collection avoidance temporarily.
19745 * ggc.h (ggc_add_string_root): Declare.
19746 * except.c (create_rethrow_ref): Use ggc_alloc_string.
19747 * optabs.c (init_libfuncs): Likewise.
19748 * varasm.c (named_section): Use ggc_alloc_string.
19749 (make_function_rtl): Likewise.
19750 (make_decl_rtl): Likewise.
19751 (assemble_static_space): Likewise.
19752 (assemble_trampoline_template): Likewise.
19753 (output_constant_def): Likewise.
19754 (force_const_mem): Likewise.
19755 (mark_const_hash_entry): New.
19756 (mark_pool_sym_hash_table): New.
19757 (mark_varasm_state): Use it.
19758 (init_varasm_once): New.
19760 * expr.h (init_one_libfunc): Declare.
19761 * optabs.c (init_one_libfunc): New.
19762 (init_optabs): Use it.
19763 * config/gofast.h: Likewise.
19764 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
19765 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
19767 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
19769 * Makefile.in (cppexp.o): Depend on cpphash.h.
19770 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
19772 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
19773 * cpplib.c (do_define): Generalise to handle poisoned definitions,
19774 redefining poisoned identifiers, etc.
19775 (do_undef): Don't allow poisoned identifiers to be undefined.
19776 (do_pragma): Add #pragma poison.
19777 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19779 * cccp.c: Add T_POISON node type.
19780 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
19782 (do_define): Generalise to handle poisoned definitions,
19783 redefining poisoned identifiers, etc.
19784 (do_undef): Don't allow poisoned identifiers to be undefined.
19785 (do_pragma): Add #pragma poison.
19786 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
19788 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
19789 * c-pragma.h: Add ps_poison state. We now always have generic
19792 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
19794 * ggc.h (ggc_alloc): New function.
19795 (ggc_mark): Likewise.
19796 * ggc-simple.c (ggc_any): New structure.
19797 (ggc_status): Add anys.
19798 (n_anys_collected): New variable.
19799 (ggc_alloc): Define.
19800 (ggc_mark): Likewise.
19801 (ggc_collect): Collect the anys.
19803 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19805 * c-decl.c (mark_binding_level): Make static to match prototype.
19807 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
19809 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
19811 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
19813 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
19814 will use into account. Expand the max width to 5.
19817 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
19819 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
19820 for the rtx length.
19822 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
19824 * alpha.md (call value patterns): Remove the result predicates.
19826 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
19828 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
19831 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19833 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
19834 changed from extern char *, to extern PTR. Also fix typo in
19835 NEED_DECLARATION_REALLOC test.
19837 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
19839 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19841 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
19842 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
19843 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
19844 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
19846 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
19848 * cccp.c (pcfinclude): Likewise.
19850 * global.c (allocno_compare): Likewise.
19852 * haifa-sched.c (rank_for_schedule): Likewise.
19854 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
19856 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
19858 * stupid.c (stupid_reg_compare): Likewise.
19860 * tree.c (_obstack_allocated_p): Likewise.
19862 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
19864 1999-09-08 Bruce Korb autogen@linuxbox.com
19866 * Makefile.in: Give the hapless gperf user a hint about
19867 why "gperf -F" fails.
19869 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
19871 * lists.c: Include ggc.h.
19873 (init_EXPR_INSN_LIST_cache): Install it.
19875 * ggc-simple.c (init_ggc): Absorb the old init.
19876 (ggc_push_context): Use xcalloc.
19877 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
19878 (ggc_collect): Add [rvts] tags to the collection stats.
19880 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
19882 * cccp.c (main): Fix handling of -include and -imacros options.
19884 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
19886 * cpplib.c (cpp_push_buffer): Fix order of arguments.
19888 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19890 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
19893 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
19895 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
19896 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
19897 and SET_DEST. Update comment.
19899 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19901 * config/c4x/c4x.c: Include ggc.h.
19902 (c4x_add_gc_roots): New function.
19903 (c4x_override_options): Call c4x_add_gc_roots.
19905 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
19907 * defaults.h (TARGET_ESC): Move ...
19908 * system.h: ... here, where Linas had it in the first place. Silly me.
19910 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
19912 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
19913 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
19914 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
19915 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
19916 * defaults.h (TARGET_ESC): Add default.
19918 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
19920 * configure.in: add i370-*-openedition, i370-*-mvs and
19921 i370-*-linux targets
19923 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
19925 * dsp16xxx.c: Include ggc.h
19926 (override_options): Mark GC roots.
19927 * mn10200.c: Include ggc.h.
19928 (asm_file_start): Mark GC roots.
19929 * tahoe.c: Include ggc.h.
19930 (extensible_operand): Mark GC roots.
19932 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
19934 * README: Add section discussing status of ELF ABI.
19935 * i370.c: Fix misc spelling mistakes.
19936 (i370_label_scan): Updated notes, exception handling.
19937 (i370_function_prolog): Simplify ELF stack handling.
19938 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
19939 (STACK_GROWS_DOWNWARD): ELF stack grows down.
19940 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
19941 * i370.md: (movdi): Add notes.
19942 (floatsidf2): Use stack not rtca for scratch float area.
19943 (iorsi3): Correct operand constraints.
19944 * x-oe: Restore TAROUTOPTS which are used by pax.
19946 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
19948 * rs6000.c: Include ggc.h.
19949 (rs6000_add_gc_roots): New function.
19950 (override_options): Call it.
19952 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
19954 * alpha.h (alpha_compare): New.
19955 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
19956 * alpha.c: Likewise for the definitions.
19957 (alpha_emit_conditional_branch): Update for alpha_compare.
19958 (alpha_emit_conditional_move): Likewise.
19959 * alpha.md (cmpdf, cmpdi): Likewise.
19960 (setcc patterns): Likewise. Zero alpha_compare after use.
19961 (sne): Optimize (x != 0) into (0U < x).
19963 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
19965 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
19966 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
19967 (INIT_EXPANDERS): Remove.
19968 * alpha.c: Include ggc.h.
19969 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
19970 (alpha_init_machine_status, alpha_mark_machine_status): New.
19971 (override_options): Install them.
19972 (struct machine_function): Moved to alpha.h.
19973 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
19974 (alpha_init_expanders): Remove.
19975 (alpha_return_addr): Adjust to use current_function->machine.
19976 (alpha_ra_ever_killed): Likewise.
19977 (alpha_expand_epilogue): Likewise.
19978 * alpha.md (eh_epilogue): Likewise.
19980 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
19981 Melissa O'Neill <oneill@cs.sfu.ca>
19982 Geoffrey Keating <geoffk@cygnus.com>
19984 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
19985 call-used registers (call-saved registers must still be contiguous
19986 and end with r31, of course).
19988 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
19990 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
19991 (self_promoting_type_p): Delete.
19992 (self_promoting_args_p): Move ...
19993 * c-common.c: ... here.
19994 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
19995 (simple_type_promotes_to): New.
19996 * builtins.c (lang_type_promotes_to): New.
19997 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
19998 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
19999 * c-common.h: ... here.
20000 (self_promoting_args_p, simple_type_promotes_to): Declare.
20001 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20002 (grokdeclarator): Likewise.
20003 * tree.h (lang_type_promotes_to): Declare.
20005 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20007 Add some machine-dependent GC roots.
20008 * sparc.c: Include ggc.h.
20009 (sparc_add_gc_roots): New function.
20010 (mark_ultrasparc_pipeline_state): Likewise.
20011 (override_options): Call sparc_add_gc_roots.
20012 * pa.c: Include ggc.h.
20013 (pa_add_gc_roots): New function.
20014 (mark_deferred_plabels): Likewise.
20015 (override_options): Call pa_add_gc_roots.
20016 * mips.c: Include ggc.h.
20017 (mips_add_gc_roots): New function.
20018 (override_options): Use it.
20020 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20022 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20024 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20025 cpp_parse_expr): Add static prototypes.
20026 (parse_charconst): Don't cast away const-ness.
20027 (token): Constify a char*.
20029 * cppfiles.c (file_name_list, include_hash, find_include_file,
20030 finclude, initialize_input_buffer): Constify a char*.
20031 (file_cleanup, find_position): Add static prototypes.
20033 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20034 collect_expansion): Add static prototypes.
20035 (cpp_install, create_definition, monthnames): Constify a char*.
20037 * cpphash.h (cpp_install): Likewise.
20039 * cppinit.c (known_suffixes, default_include,
20040 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20041 (base_name, dump_special_to_buffer, initialize_dependency_output):
20042 Add static prototypes.
20044 * cpplib.c (my_strerror): Constify a char*.
20045 (null_underflow, null_cleanup, skip_comment, copy_comment,
20046 copy_rest_of_line, handle_directive, pass_thru_directive,
20047 get_directive_token, read_line_number, cpp_print_file_and_line,
20048 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20049 v_cpp_warning_with_line, detect_if_not_defined,
20050 consider_directive_while_skipping): Add static prototypes.
20051 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20052 cpp_pedwarn_with_file_and_line): Constify a char*.
20054 * cpplib.h (cpp_options, include_hash, progname, definition,
20055 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20056 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20057 find_include_file, deps_output, include_hash): Constify a char*.
20059 * cppmain.c (progname): Constify.
20060 (main): Add prototype. Use return, not exit.
20062 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20063 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20064 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20065 check_protection): Add static prototype.
20067 (progname, recognized_macrom, recognized_extern): Constify a char*.
20068 (main): Add prototype.
20070 * gen-protos.c (progname): Constify a char*.
20072 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20074 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20075 (init_emit_once): Add more GC roots.
20076 * except.c (mark_func_eh_entry): New function.
20077 (mark_eh_node): Mark false_label and rethrow_label.
20078 (init_eh): Add more GC roots.
20079 * function.c (free_after_compilation): Take decl as a paramter.
20080 Call free_stmt_status.
20081 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20083 * function.h (free_after_compilation): Change prototype.
20084 (free_varasm_status): Likewise.
20085 (free_emit_status): Likewise.
20086 (free_stmt_status): New function.
20087 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20088 Remove, replacing with ...
20089 (ggc_status): New structure.
20090 (ggc_chain): New variable.
20091 (init_gcc): Define.
20092 (ggc_push_context): New function.
20093 (ggc_pop_context): Likewise.
20094 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20095 (ggc_alloc_rtvec): Likewise.
20096 (ggc_alloc_tree): Likewise.
20097 (ggc_alloc_string): Likewise.
20098 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20099 (ggc_mark_tree): Give language-dependent code a chance to mark
20101 (ggc_mark_tree_varray): Handle empty arrays.
20102 (ggc_collect): Adjust for use of ggc_chain. Clear
20103 bytes_alloced_since_last_gc.
20104 * ggc.h (ggc_pop_context): New function.
20105 (ggc_push_context): Likewise.
20106 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20107 * stmt.c (free_stmt_status): New function.
20108 (init_stmt_for_function): Clear last_expr_value.
20109 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20110 Conditionalize call to ggc_collect.
20111 (main): Call init_ggc.
20112 * tree.c (push_obstacks): Do the push, even when GC'ing.
20113 (push_obstacks_nochange): Likewise.
20114 (pop_obstacks): Liekwise.
20115 * varasm.c (free_varasm_status): Take decl as a parameter.
20117 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20119 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20120 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20121 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20122 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20124 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20126 * pa/x-pa-mpeix: New file for the MPE port.
20128 * pa/quadlib.asm: New file for long double support.
20130 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20131 * configure: Rebuilt.
20133 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20135 * final.c (shorten_branches): Fix last change.
20137 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20139 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
20141 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
20143 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
20146 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20148 * c-aux-info.c (concat): Don't define.
20150 * cccp.c (my_strerror): Likewise. All callers changed to use
20152 (do_include): Call xstrdup, not xmalloc/strcpy.
20153 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
20154 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
20156 * collect2.c (my_strsignal): Likewise. All callers changed to use
20158 (locatelib): Call xstrdup, not xmalloc/strcpy.
20160 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
20162 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
20164 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
20166 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
20168 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
20170 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
20172 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
20174 (find_all_handler_type_matches): Likewise. Don't check return
20176 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
20177 xmalloc, not malloc.
20178 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
20180 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
20181 (init_spec): Call xcalloc, not xmalloc/bzero.
20182 (set_spec): Call xstrdup, not save_string.
20183 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
20184 (find_a_file): Call xstrdup, not xmalloc/strcpy.
20185 (process_command): Call xstrdup, not save_string.
20186 (main): Call xcalloc, not xmalloc/bzero.
20188 * gcov.c (xmalloc): Don't define.
20189 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
20190 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
20191 (output_data): Call xcalloc, not xmalloc/bzero.
20193 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
20195 * mips-tdump.c (xmalloc): Don't define.
20196 (print_symbol): Call xmalloc, not malloc.
20197 (read_tfile): Call xcalloc, not calloc.
20199 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
20200 Don't define. All callers of xfree/my_strsignal changed to use
20201 free/strsignal instead.
20202 (allocate_cluster): Call xcalloc, not calloc.
20204 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
20205 Fix memory leak, free allocated memory.
20207 * prefix.c (translate_name): Call xstrdup, not save_string.
20208 (update_path): Likewise.
20210 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
20212 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
20213 Don't define. Callers of xfree/savestring2 changed to use
20214 free/concat instead.
20216 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
20217 (init_elim_table): Likewise.
20219 * resource.c (init_resource_info): Likewise.
20221 * stupid.c (stupid_life_analysis): Likewise.
20223 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
20224 (open_dump_file): Call concat, not xmalloc/strcpy/...
20225 (clean_dump_file): Likewise.
20226 (compile_file): Call xstrdup, not xmalloc/strcpy.
20228 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
20230 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
20231 * v850.c (v850_va_arg): New.
20233 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20235 * haifa-sched.c: Tidy comments.
20237 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20239 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
20240 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
20241 $(out_object_file)): Depend on ggc.h.
20242 * c-common.c: Include "ggc.h".
20243 (combine_strings): If doing GC, use ggc_alloc_string.
20244 * c-decl.c: Include "ggc.h".
20245 (ggc_p): Define with value 0.
20246 (mark_binding_level): New function.
20247 (init_decl_processing): Add GC roots.
20248 (mark_c_function_context): New function.
20249 (lang_mark_false_label_stack): New function.
20250 (lang_mark_tree): New function.
20251 (lang_cleanup_tree): New function.
20252 * c-lang.c: Include "ggc.h".
20253 (lang_init): Call c_parse_init.
20254 * c-lex.c: Include "ggc.h".
20255 (check_linenum): If doing GC, don't copy filenames to permanent
20257 * c-parse.in: Include "ggc.h".
20258 (c_parse_init): New function.
20259 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
20260 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
20262 * except.c (mark_eh_state): Mark more state.
20263 * function.c (mark_function_state): Likewise.
20264 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
20265 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
20266 * toplev.c (mark_file_stack): New function.
20267 (compile_file): If doing GC, use ggc_alloc_string on input filename.
20268 (main): Add root for input_file_stack.
20270 * i386.c: Include "ggc.h".
20271 (ix86_mark_machine_status): New function.
20272 (override_options): Set mark_machine_status.
20274 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20276 * tree.c (copy_node): Copy node contents also if doing GC.
20278 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20280 * collect2.c (scan_libraries): Fix double-thinko :-).
20282 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
20284 * collect2.c (scan_libraries): Fix thinko.
20286 * cse.c (delete_trivially_dead_insns): Do not skip the last
20287 insn if it is a real insn.
20289 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
20291 * Makefile.in (ggc-simple.o): Depend on hash.h.
20292 * ggc.h (ggc_add_tree_hash_table_root): Declare.
20293 (ggc_mark_tree_varray): Likewise.
20294 (ggc_mark_tree_hash_table): Likewise.
20295 * ggc-simple.c: Include hash.h.
20296 (ggc_mark_tree_hash_table_ptr): New function.
20297 (ggc_mark_tree_hash_table_entry): Likewise.
20298 (ggc_mark_tree_hash_table): Likewise.
20299 (ggc_add_tree_hash_table_root): Likewise.
20300 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
20301 rtx, when defining fields.
20303 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20305 * profile.c (output_func_start_profiler): Remove apparently
20306 nonsensical call to start_sequence.
20308 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
20310 * clipper/clipper.c (clipper_va_start): Fix typos.
20312 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
20313 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
20314 (spur_va_arg): New stub.
20316 * configure.in: Comment out pyramid.
20318 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
20320 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
20321 don't conflict with the bits that win32, cygwin, and dgux
20324 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
20325 Bernd Schmidt <bernds@cygnus.co.uk>
20327 * integrate.c (function_cannot_inline_p): Do not inline
20328 functions with forced labels.
20330 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
20331 Bernd Schmidt <bernds@cygnus.co.uk>
20332 Mark Mitchell <mark@codesourcery.com>
20334 * Makefile.in (ggc-simple.o): Depend on varray.h.
20335 (rtl.o): Depend on ggc.h.
20336 (genattrtab.o): Depend on ggc.h.
20337 (print-tree.o): Likewise.
20338 (fold-const.o): Likewise.
20339 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
20340 (make_insn_raw): Don't cache insns when GC'ing.
20341 (emit_insn_before): Likewise.
20342 (emit_insn_after): Likewise.
20343 (emit_insn): Likewise.
20344 (start_sequence): Use xmalloc to allocate the sequence_stack.
20345 (end_sequence): Add free to free it.
20346 (gen_sequence): Don't cache insns when GC'ing.
20347 (clear_emit_caches): Don't use sequence_element_free_list.
20348 (init_emit): Use xcalloc, not xmalloc+bzero.
20349 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
20350 * function.c (pop_function_context_from): Use free to free the
20351 fixup_var_refs_queue.
20352 (put_reg_into_stack): Allocate it with xmalloc.
20353 * genattrtab.c: Include ggc.h.
20354 (operate_exp): Don't use obstack_free when GC'ing.
20355 (simplify_cond): Likewise.
20356 (simplify_text_exp): Likewise.
20357 (optimize_attrs): Likewise.
20358 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
20360 (gencode): Generate a #include for ggc.h.
20361 * ggc-callbacks.c (ggc_p): Define it to zero.
20362 * ggc-none.c (ggc_p): Likewise.
20363 * ggc-simple.c: Include varray.h.
20364 (ggc_mark_tree_varray): New function.
20365 (ggc_add_tree_varray_root): Likewise.
20366 (ggc_mark_tree_varray_ptr): Likewise.
20367 * ggc.h (ggc_p): Declare.
20368 (varray_head_tag): Likewise.
20369 (ggc_add_tree_varray_root): Declare.
20370 * print-tree.c (print_node): Don't check for TREE_PERMANENT
20371 inconsistencies when GC'ing.
20372 * rtl.c: Include ggc.h.
20373 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
20374 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
20375 (rtx_free): Don't call obstack_free when GC'ing.
20376 * toplev.c (rest_of_compilation): Call ggc_collect after every
20378 * tree.c (push_obstacks): Do nothing, if GC'ing.
20379 (pop_obstacks_nochange): Likewise.
20380 (pop_obstacks): Likewise.
20381 (make_node): Use ggc_alloc_tree when GC'ing.
20382 (copy_node): Likewise.
20383 (get_identifier): Use ggc_alloc_string when GC'ing.
20384 (build_string): Likewise.
20385 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
20386 (tree_cons): Likewise.
20387 (build1): Likewise.
20388 (type_hash_canon): Don't call obstack_free when GC'ing.
20390 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
20392 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
20393 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
20395 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
20396 Bernd Schmidt <bernds@cygnus.co.uk>
20397 Mark Mitchell <mark@codesourcery.com>
20399 * Makefile.in (stor-layout.o): Depend on ggc.h.
20400 (expr.o): Depend on ggc.h.
20401 (profile.o): Depend on ggc.h.
20402 (stor-layout.o): Depend on ggc.h.
20403 * emit-rtl.c (init_emit_once): Add gc roots.
20404 * expr.c: Include ggc.h.
20405 (emit_block_move): Add gc roots.
20406 (clear_storage): Likewise.
20407 * expr.h (init_stor_layout_once): New function.
20408 * profile.c: Include ggc.h.
20409 (init_arc_profiler): profiler_label is a root.
20410 * scan.c (make_sstring_space): Trust xrealloc to function
20411 correctly with first parameter NULL.
20412 * stor-layout.c: Include ggc.h.
20413 (set_sizetype): Add gc root.
20414 (init_stor_layout_once): New function.
20415 * toplev.c (compile_file): Call it.
20417 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
20418 Bernd Schmidt <bernds@cygnus.co.uk>
20419 Mark Mitchell <mark@codesourcery.com>
20421 * Makefile.in (tree.o): Depend on ggc.h.
20422 (varasm.o): Likewise.
20423 (function.o): Likewise.
20424 (stmt.o): Likewise.
20425 (except.o): Likewise.
20426 (optabs.o): Likewise.
20427 (emit-rtl.o): Likewise.
20428 * emit-rtl.c: Include ggc.h.
20429 (sequence_element_free_list): Remove, and all references.
20430 (mark_sequence): New functions.
20431 (mark_emit_state): New function.
20432 * except.c: Include ggc.h.
20433 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
20434 (mark_tree_label_node): New functions.
20435 (mark_eh_state): New function.
20436 * function.c: Include ggc.h.
20437 (mark_temp_slot, mark_function_chain): New functions.
20438 (mark_function_state): New function.
20439 (init_function_once): New function.
20440 * function.h (init_function_once): New function.
20441 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
20442 * ggc.h (label_node): Declare.
20443 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
20444 (lang_mark_false_label_stack): New function.
20445 (mark_temp_slot): Remove declaration.
20446 (mark_function_chain): Likewise.
20447 (mark_eh_state): Adjust prototype.
20448 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
20450 * optabs.c: Include ggc.h.
20451 (mark_optab): New function.
20452 (init_optabs): Add gc roots.
20453 * stmt.c: Include ggc.h.
20454 (mark_cond_nesting, mark_loop_nesting): New functions.
20455 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
20456 (mark_stmt_state): New function.
20457 * toplev.c (compile_file): Call init_function_once.
20458 * tree.c: Include ggc.h.
20459 (type_hash): Move declaration earlier in file.
20460 (TYPE_HASH_SIZE, type_hash_table): Likewise.
20461 (init_obstacks): Add gc roots.
20462 (mark_type_hash): New function.
20463 * varasm.c: Include ggc.h.
20464 (mark_pool_constant): New function.
20465 (mark_varasm_state): New function.
20467 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20469 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
20471 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20473 * c-decl.c (struct language_function): Renamed from struct c_function.
20475 (c_function_chain): Delete.
20476 (push_c_function_context): New arg F. Don't warn about nested
20477 functions here. Fill LANGUAGE elt of F. Delete code to update
20478 c_function_chain. Don't call push_function_context.
20479 (pop_c_function_context): New arg F. Restore from there instead of
20480 from c_function_chain. Don't call pop_function_context. Clear out
20481 LANGUAGE field of F when done.
20482 * c-lang.c: Include "function.h"
20483 (lang_init): Initialize save_lang_status and restore_lang_status.
20484 * c-parse.in (nested_function, nested_function_notype): Warn about
20485 nested functions. Call push_function_context/pop_function_context
20486 instead of the _c_ variants.
20487 * c-tree.h (push_c_function_context, pop_c_function_context): Update
20489 * Makefile.in (c-lang.o): Update dependencies.
20491 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
20492 regno_pointer_flag, regno_pointer_align.
20493 (gen_reg_rtx): Use xrealloc to enlarge them.
20494 (free_emit_status): New function.
20495 * function.c (mark_machine_status, mark_lang_status): New variables.
20496 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
20497 in some bits from assign_stack_local. All callers changed to use new
20499 (assign_stack_local): Just call assign_stack_local_1.
20500 (free_after_compilation): New function.
20501 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
20502 (trampoline_address): Likewise.
20503 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
20504 (prepare_function_start): Explicitly clear some more variables.
20505 * function.h (struct function): New elt can_garbage_collect.
20506 (mark_machine_status, mark_lang_status): Declare variables.
20507 (free_after_compilation, free_emit_status, free_varasm_status,
20508 init_varasm_status): Declare functions.
20509 * toplev.c (rest_of_compilation): Call free_after_compilation when
20510 done with the current function.
20511 * varasm.c (free_varasm_status): New function.
20513 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
20515 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
20516 (EXPAND_BUILTIN_VA_ARG): Define.
20517 * sparc.c (sparc_va_start): New.
20518 (sparc_va_arg): New.
20520 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20522 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
20524 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20526 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
20528 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
20530 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
20531 (OBJS): Add $(GGC).
20532 (ggc-callbacks.o): New target.
20533 * ggc-callbacks.c: New file.
20535 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20537 * expr.h: Collapse individual optab and libfunc vars to arrays.
20538 (optab_index, libfunc_index): New enumerations.
20539 (optab_table, libfunc_table): New arrays.
20540 Add accessor macros for both.
20542 * optabs.c (optab_table, libfunc_table): New.
20543 Delete declarations for individual optab and libfunc vars.
20545 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
20547 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
20549 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
20551 * Makefile.in (GGC, GGC_LIB): New.
20552 (HOST_RTL): Include ggc-none.o.
20553 (ggc-simple.o): New target.
20554 (ggc-none.o): Likewise.
20555 * tree.h (tree_common): Add gc_mark.
20556 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
20557 (struct rtvec_def): Add gc_mark.
20558 * emit-rtl.c (global_rtl): Update static initializers to contain
20559 enough initializers.
20560 * ggc.h, ggc-none.c, ggc-simple.c: New files.
20561 * toplev.c (gc_time): New variable.
20562 (all_time): New variable.
20563 (compile_file): Print gc time.
20564 (print_time): Calculate percentage of the whole.
20566 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20568 Change obstack memory management and varasm constant pool handling so
20569 that nested functions are treated like any other functions.
20570 * function.c (init_machine_status): New variable.
20571 (push_function_context_to): Set contains_functions for the outer
20572 function. Don't call save_varasm_status.
20573 (pop_function_context_from): Don't call restore_varasm_status. Don't
20574 set current_function_contains_functions.
20575 (prepare_function_start): Call init_varasm_status rather than
20576 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
20578 * function.h (struct function) Add field varasm. Delete fields
20579 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
20580 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
20581 (init_machine_status): Declare.
20582 (save_varasm_status, restore_varasm_status): Delete declarations.
20583 (save_tree_status, restore_tree_status): Delete last argument.
20584 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
20585 code. All callers changed.
20586 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
20587 save_constants_in_decl_trees, restore_constants, save_constants,
20588 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
20590 (inlining): New variable.
20591 (reg_map, label_map, insn_map, orig_asm_operands_vector,
20592 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
20594 (save_for_inline_nocopy): Don't save constants.
20595 Don't set inl_emit field in current_function.
20596 (expand_inline_function): Use emit field, not inl_emit, of the inlined
20597 function. Set new variable inlining before
20598 calling copy_rtx_and_substitute.
20599 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
20600 constant pool references if inlining is nonzero.
20601 Delete ADDRESS and (most of the) CONST cases.
20602 (output_inline_function): Save and restore current_function/
20603 current_function_decl. Delete restore_constants code. Don't call
20604 init_const_rtx_hash_table.
20605 * output.h (init_const_rtx_hash_table): Don't declare.
20606 * rtl.h (struct function): Declare.
20607 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
20608 * toplev.c (rest_of_compilation): Don't treat nested functions or
20609 functions containing them specially. Delete all code to deal with
20610 save_for_inline_copying.
20611 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
20612 inline_obstacks): Delete variables.
20613 (save_tree_status): Lose arg CONTEXT. All callers changed.
20614 Simply allocate a new function_maybepermanent_obstack for the new
20615 function, delete all the special cases.
20616 Don't save inline_obstacks.
20617 (restore_tree_status): Lose arg CONTEXT. All callers changed.
20618 Delete special handling for function_maybepermanent_obstack; simply
20620 Don't restore inline_obstacks.
20621 (permanent_allocation): Delete code that frees inline_obstacks.
20622 (print_inline_obstack_statistics): Delete function.
20623 (dump_tree_statistics): Don't call it.
20624 * varasm.c (struct varasm_status): New.
20625 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
20626 last_pool, pool_offset, const_double_chain): Delete global
20627 variables, replace with accessor macros.
20628 (immed_double_const): Don't walk const_double_chain outside a
20629 function, but don't treat nested functions specially anymore.
20630 (immed_real_const_1): Likewise.
20631 (clear_const_double_mem): Don't treat nested functions specially.
20632 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
20633 (save_varasm_status, restore_varasm_status): Delete functions.
20634 (init_varasm_status): New function.
20635 (force_const_mem): Don't treat nested functions specially.
20636 (find_pool_constant): Accept new arg F, search for constants in
20637 that function's pool rather than the current one. All callers
20639 (get_pool_constant_for_function, get_pool_mode_for_function): New
20642 * i386.c (init_386_machine_status): New function, mostly from
20643 clear_386_stack_locals.
20644 (struct machine_functions): Rename element names to avoid name
20646 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
20647 macros, replacing global variables.
20648 (clear_386_stack_locals, save_386_machine_status,
20649 restore_386_machine_status): Delete functions.
20650 (override_options): Initialize init_machine_status.
20651 * i386.h (INIT_EXPANDERS): Delete macro.
20652 (save_386_machine_status, restore_386_machine_status,
20653 clear_386_stack_locals): Delete declarations.
20655 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20657 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
20658 (doloop_begin): Simplify pattern and use emit_jump_insn.
20659 (doloop_end): Simplify pattern, switch operand order,
20660 and use emit_jump_insn.
20662 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
20664 * function.h (struct function): Add new element LANGUAGE.
20665 (save_lang_status): Declare new variable.
20666 (restore_lang_status): Likewise.
20667 * function.c (save_lang_status): Define.
20668 (restore_lang_status): Likewise.
20669 (push_function_context_to): Call language-specific save function.
20670 (pop_function_context_from): Call language-specific restore function.
20672 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20674 * i386.md (movsf_1): Check REG_P before use of REGNO.
20675 (movdf_1): Likewise.
20676 (movxf_1): Likewise.
20677 (extendsfdf2): Likewise.
20678 (extendsfxf2): Likewise.
20679 (extenddfxf2): Likewise.
20681 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20683 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
20684 constants into memory.
20685 (c4x_shiftable_constant): New function.
20686 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
20687 (c4x_shiftable_constant): Declare.
20688 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
20689 ashlqi3_noclobber): Add new patterns and associated splitters.
20691 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
20693 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
20694 * dwarf2out.c (dwarf2out_frame_init): Likewise.
20695 * final.c (shorten_branches): Likewise.
20696 * global.c (global_alloc): Likewise.
20697 * haifa-sched.c (build_control_flow): Likewise.
20698 * stmt.c (check_for_full_enumeration_handling): Likewise.
20699 (estimate_case_costs): Likewise.
20701 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
20703 * rtl.h (RTL_CHECKC2): Fix typo in last change.
20705 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
20707 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
20708 (recompute_reg_usage): Likewise.
20709 * rtlanal.c (find_regno_fusage): Likewise.
20711 * rtl.c (rtl_check_failed_code1): New function.
20712 (rtl_check_failed_code2): New.
20713 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
20714 (RTL_CHECKC1, RTL_CHECKC2): New.
20715 (XC*): New accessor macros.
20716 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
20717 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
20718 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
20719 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
20720 (TRAP_*, RANGE_INFO_*): Likewise.
20722 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20724 * Makefile.in (tlink.o): Don't depend on toplev.h.
20726 * collect2.c (c_file, o_file, export_file, import_file, ldout,
20727 output_file, nm_file_name, ldd_file_name, strip_file_name,
20728 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
20729 add_prefix, prefix_from_env, prefix_from_string, do_wait,
20730 fork_execute, maybe_unlink, add_to_list,
20731 extract_init_priority, write_list, dump_list,
20732 dump_prefix_list, write_list_with_asm, write_c_file,
20733 write_c_file_stat, write_c_file_glob, scan_prog_file,
20734 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
20735 ignore_library, extract_string, notice, dump_file, target_machine,
20736 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
20737 read_file, print_load_command): Constify a char*.
20738 (fdopen, error, fatal, fatal_perror): Don't prototype.
20739 (my_strerror): Remove. All callers use xstrerror instead.
20740 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
20741 (main): Add prototype. Constify lots of char* ptrs. Change calls
20742 to xcalloc/strcpy/strcat/... to one call to concat.
20743 (main, scan_prog_file, scan_libraries): Use an intermediate
20744 `const char **' to build an argv array.
20745 (mapfile, libselect, libcompare, locatelib): Add prototypes.
20747 * collect2.h (collect_execute, collect_wait, dump_file,
20748 file_exists): Constify a char*.
20749 (ldout, c_file_name, temporary_obstack, permanent_obstack,
20750 temporary_firstobj, vflag, debug): Add extern declarations.
20751 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
20753 * tlink.c: Don't include toplev.h.
20754 (vflag, debug, ldout, c_file_name, temporary_obstack,
20755 permanent_obstack, temporary_firstobj): Don't declare.
20756 (tlink_execute, frob_extension, symbol_hash_lookup,
20757 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
20758 recompile_files, read_repo_files, demangle_new_symbols,
20759 scan_linker_output): Constify a char*.
20760 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
20761 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
20763 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
20765 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
20766 (relative) rather than jsr (absolute) subroutine call insns.
20767 * config/m68k/m68k-coff.h: Ditto.
20769 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
20771 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
20772 now rework these too.
20773 (arm_reorg): If an insn can't reach the end of the current pool,
20774 ensure that we emit that pool before the insn.
20776 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
20778 * tlink.c (scan_linker_output): Skip the initial underscore in
20779 a mangled name if appropriate.
20781 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20783 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
20784 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
20785 error_with_ivar, gen_declarator, create_builtin_decl,
20786 my_build_string, generate_descriptor_table, generate_ivars_list,
20787 generate_dispatch_table, check_protocols, TAG_GETCLASS,
20788 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
20789 dump_base_name, lang_decode_option, build_encode_expr,
20790 start_class, finish_class, encode_pointer, really_start_method,
20791 gen_declaration, dump_interface, handle_class_ref, handle_impent):
20793 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
20794 Add static prototypes.
20795 (build_objc_string_decl, build_selector_reference_decl,
20796 encode_bitfield, build_class_reference_decl): Remove unused
20797 parameter, all callers changed.
20798 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
20799 (objc_printable_name): Likewise. Change second parameter to type int.
20800 (init_objc): Use memcpy, not bcopy, to avoid casts.
20802 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
20804 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
20805 reg notes on a deleted insn.
20806 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
20808 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
20810 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
20812 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20814 * stmt.c (expand_asm_operands): Fix index into inout_mode when
20817 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
20819 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
20820 * tm.texi (MD_ASM_CLOBBERS): Document it.
20822 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
20824 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
20825 * except.c (expand_rethrow): Remove unused variable.
20826 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
20827 * flow.c (replace_insns): Likewise.
20828 (create_edge_list, verify_edge_list): Likewise.
20829 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
20831 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
20832 is special code to run.
20833 (main): Don't define operands to emit_operand.
20834 * genrecog.c (main): Don't emit an empty peephole2_insn function.
20836 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
20838 * alpha/alpha.h (normal_memory_operand): Declare.
20839 (reg_no_subreg_operand): Declare.
20840 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
20842 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
20844 * c-parse.in (compstmt_primary_start): New, broken out of first
20845 part of compstmt handling in primary.
20846 (primary): Use it. Add an error clause.
20847 (compstmt_nostart): Renamed from compstmt; remove all
20848 initial invocations of compstmt_start.
20851 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
20853 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
20856 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
20858 * combine.c (simplify_shift_const): Remove extra semicolon.
20859 * dwarf2out.c (remove_AT): Likewise.
20860 * expmed.c (expand_mult): Likewise.
20861 * gcov.c (create_program_flow_graph): Likewise.
20862 * reorg.c (mostly_true_jump): Likewise.
20864 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
20866 * fold-const.c (fold_range_test): Do not try to fold the range
20867 test if the rhs or lhs has side effects.
20869 * combine.c (simplify_rtx): Recognize another case of a synthesized
20872 * varasm.c (mark_constant_pool): When marking indirect references,
20873 only look at SYMBOL_REFs.
20875 * except.c (expand_fixup_region_end): Do not peek at
20876 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
20878 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
20880 * flags.h: New variables align_loops, align_loops_log,
20881 align_jumps, align_jumps_log, align_labels, align_labels_log,
20882 align_functions, align_functions_log.
20883 * toplev.c: Define them.
20884 (f_options): Handle -falign-* when they have no argument.
20885 (main): Add logic to set variables for -falign-functions,
20886 -falign-jumps, -falign-labels, -falign-loops.
20887 Make it -fsched-verbose=<n> and -finline-limit=<n>.
20888 (display_help): Change help to match options.
20889 * final.c (LABEL_ALIGN): Default to align_labels_log.
20890 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
20891 (LOOP_ALIGN): Default to align_loops_log.
20892 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
20893 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
20894 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
20895 * varasm.c (assemble_start_function): Handle align_functions.
20897 * config/sparc/sparc.h: Don't declare sparc_align_*.
20898 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
20899 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
20901 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
20903 * config/sparc/sparc.c: Delete sparc_align_loops,
20904 sparc_align_jumps, sparc_align_funcs and the corresponding string
20906 (sparc_override_options): Default align_functions on ultrasparc.
20907 Delete -malign-* handling.
20909 * config/mips/mips.c (override_options): On 64-bit targets,
20910 try to align code to 64-bit boundaries.
20911 (print_operand): New substitution, %~,
20912 which aligns labels to align_labels_log.
20913 * config/mips/mips.md (div_trap_normal): Use %~.
20914 (div_trap_mips16): Likewise.
20916 (absdi2): Likewise.
20917 (ffssi2): Likewise.
20918 (ffsdi2): Likewise.
20919 (ashldi3_internal): Likewise.
20920 (ashrdi3_internal): Likewise.
20921 (lshrdi3_internal): Likewise.
20922 (casesi_internal): Likewise.
20924 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
20926 Merge new ia32 backend from the branch!
20928 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
20929 See ChangeLog.P2 on new_ia32_branch for details.
20931 * rtl.h (stack_regs_mentioned_p): Delete prototype.
20932 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
20933 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
20934 * i386/gas.h (ASM_FILE_START): Define.
20935 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
20936 for name change of ix86_valid_decl_attribute_p.
20937 (i386_pe_valid_type_attribute_p): Similarly.
20939 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
20941 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
20942 to step through CC modes.
20944 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20946 * regmove.c (fixup_match_1): Don't move INSN in front of P if
20947 it would end up in the shadow of a live flags regsiter.
20949 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20951 * reload1.c: Fix many indentation problems.
20952 * reload.c: Likewise.
20954 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
20956 * alias.c (non_local_reference_p): Constify fmt.
20958 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
20960 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
20962 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
20964 * cse.c (delete_trivially_dead_insns): Do not delete stores to
20965 the internal_arg_pointer.
20967 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
20969 Merge peephole2 from new_ia32_branch:
20970 * Makefile.in (STAGESTUFF): Add *.peephole2.
20971 (mostlyclean): Likewise.
20972 (recog.o): Depend on resource.h.
20974 * final.c (peephole): Conditionalize decl on HAVE_peephole.
20975 (final_scan_insn): Likewise for the invocation of peephole.
20976 * genconfig.c (main): Look for peephole and peephole2 patterns.
20977 Emit HAVE_peephole* accordingly.
20978 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
20979 * flags.h (flag_peephole2): Declare.
20980 * toplev.c: New pass peephole2. New flag -fpeephole2.
20982 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
20983 * gencodes.c (main): Likewise.
20984 * genextract.c (main): Likewise.
20985 * genoutput.c (main): Likewise.
20986 * genemit.c (max_operand_1): Look for the max scratch operand.
20987 (gen_rtx_scratch): New.
20988 (gen_exp): Use it, and pass on new arg subroutine_type.
20989 (gen_expand): Take max scratch into account.
20990 (gen_split): Emit peephole2 functions.
20991 (output_peephole2_scratch): New.
20992 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
20993 * genrecog.c (routine_type): Add PEEPHOLE2.
20995 (make_insn_sequence): Match outer parallel for peep2. Discard
20996 top level scratches and dups.
20997 (add_to_sequence): New args insn_type and top. Update all callers.
20998 Handle toplevel peep2 matching insns.
20999 (write_subroutine): Handle peep2.
21000 (write_tree_1): Likewise.
21001 (write_tree): Likewise.
21003 (change_state): New arg afterward. Update all callers.
21004 Handle matching separate insns.
21005 * recog.c (recog_next_insn): New.
21006 (peephole2_optimize): New.
21007 * rtl.def (DEFINE_PEEPHOLE2): New.
21008 * resource.c (find_free_register): New argument last_insn. Use it
21009 to find a register available through the entire span.
21010 * resource.h (find_free_register): Update prototype.
21012 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21014 * i386.c (output_strlen_unroll): Don't write xops[7]
21015 label if it wasn't set.
21017 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21019 * cpplib.c (struct directive): Const-ify name pointer and
21020 function pointer prototype.
21021 (validate_else, do_define, do_line, do_include, do_undef,
21022 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21023 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21024 do_warning): Const-ify second arg.
21025 (directive_table): Mark const. Reorder entries by frequency
21026 of usage, record statistics.
21028 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21030 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21031 bounds- check RTL accesses if --enable-checking.
21032 (RTVEC_ELT): Bounds check if --enable-checking.
21033 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21034 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21035 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21037 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21038 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21040 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21041 (NOTE_SOURCE_FILE): Use X0STR.
21042 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21043 MEM_ALIAS_SET): Use X0INT.
21044 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21045 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21047 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21048 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21049 (rtl_check_failed_bounds, rtl_check_failed_type1,
21050 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21052 (fancy_abort): Fix comment.
21054 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21055 (cse_insn): Decrement LABEL_NUSES for jump target before
21056 deleting jump insn.
21057 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21058 * final.c (alter_subreg): Compute regno before changing x to
21059 REG; set REGNO(x) after changing it.
21060 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21061 notes containing CONST_INTs.
21062 (delete_eh_regions): Use NOTE_EH_HANDLER.
21063 * function.c (put_reg_into_stack): Make reg a MEM before
21065 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21067 (gen_mem_addressof): Make reg a MEM before initializing it.
21068 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21070 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21071 deleting an insn, not after.
21072 (block_alloc): Only look at PATTERN(insn) if we have to, and
21073 only if it's format class 'i'.
21074 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21075 CONST_INT before using its INTVAL.
21076 * print-rtl.c (print_rtx): Use X0STR.
21077 * regmove.c (fixup_match_1): Don't look at PATTERN of
21078 non-class-'i' insn chain elements.
21079 * reload.c (loc_mentioned_in_p): Take address of
21080 in->fld[1].rtx directly.
21081 * reload1.c (reload): Change reg to a MEM before initializing
21083 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21085 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21087 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21089 * config/mips/mips.c (machine_dependent_reorg): Force a
21090 barrier to output the local constant pool if a barrier hasn't
21091 been found at a natural point in the instruction stream.
21093 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21095 * c-parse.in (language_string): Constify.
21097 * dwarf2out.c (language_string): Remove declaration.
21099 * dwarfout.c (language_string): Likewise.
21101 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21103 * tree.h (language_string, init_parse, finish_parse): Declare.
21105 * i386/sun386.h (language_string): Remove declaration.
21107 * mips.h (language_string): Likewise.
21109 * nextstep.h (language_string): Likewise.
21111 * nextstep21.h (language_string): Likewise.
21113 * rs6000.c (language_string): Likewise.
21115 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21117 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21118 (getpwd.o): Remove target.
21120 * getpwd.c: Delete file. Its in libiberty now.
21122 * dbxout.c (getpwd): Don't prototype.
21123 * dwarf2out.c (getpwd): Likewise
21124 * dwarfout.c (getpwd): Likewise
21125 * final.c (getpwd): Likewise.
21126 * protoize.c (getpwd): Likewise.
21128 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21130 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21132 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21134 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21135 mark_set_resources.
21137 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21139 * fixinc/Makefile.in (subdir): New.
21140 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
21143 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
21145 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
21146 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
21149 * invoke.texi: Fix typo.
21151 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
21152 changed. Handle autoincrement addressing modes.
21154 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
21155 just like we would the virtual incoming args register when
21158 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
21160 * rs6000.h (ASM_FILE_START): Specify complete filename, including
21161 path, in .file directive.
21163 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
21165 * gcc.texi (External Bugs): Remove obsolete note about Perl on
21168 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
21170 * stdbool.h: Make the typedef name _Bool, with bool a #defined
21173 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21175 * tree.c (tree_code_name): Constify a char*.
21177 * tree.h (tree_code_name, decl_printable_name): Likewise.
21179 * function.h (struct function): Likewise.
21181 * toplev.c (decl_name, decl_printable_name): Likewise.
21183 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
21185 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
21186 (init_objc): Remove function pointer cast.
21188 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21190 * pa.md (interspace_jump): New pattern.
21191 (builtin_longjmp): New expander.
21193 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
21195 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
21196 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
21197 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
21199 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
21201 * jump.c (delete_prior_computation): Also check calls
21202 to constant functions. Don't bother checking for a
21203 REG_UNUSED note before adding it.
21204 (delete_computation): Handle multi-word hard registers
21205 when synthesizing missing REG_DEAD notes for a register
21206 which is both set and used by an insn.
21208 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21210 * loop.c (this_loop_info): New variable.
21211 (loop_has_call, loop_has_volatile, loop_has_tablejump,
21212 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
21214 (prescan_loop, strength_reduce): New argument loop_info. All callers
21216 (scan_loop): New variable loop_info, initialise to address of
21218 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
21219 Delete variable loop_has_multiple_exit targets and replace with
21220 field in this_loop_info.
21221 (find_and_verify_loops): Rename this_loop to this_loop_num.
21222 (strength_reduce): Delete loop_iteration_info. Replace variable
21223 loop_info with function argument of same name.
21224 (insert_bct): Rework test for loop being completely unrolled.
21226 * loop.h (struct loop_info): New fields num, loops_enclosed,
21227 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
21228 has_indirect_jump, and cont. Redefine use of unroll_number.
21229 (loop_unroll_number): Delete.
21231 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
21232 field of loop_info.
21233 (loop_iterations): Delete variable vtop and instead use
21234 loop_info->vtop computed in prescan_loop.
21236 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
21238 * fix-header.c (main): Do not pass a null pointer to strcmp.
21240 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
21242 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
21244 * configure: Rebuilt.
21246 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
21248 * jump.c (jump_optimize_1): Do not delete assignments to
21249 internal_arg_pointer.
21250 * cse.c (delete_trivially_dead_insns): Always consider a set of
21251 the internal_arg_pointer live.
21253 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
21255 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
21256 (update_life_info) [REG_WAS_0]: Search the original insns rather
21257 than the new insns for the note. Fix typos finding note_dest.
21258 If no dest found, discard the note rather than abort.
21259 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
21260 (replace_insns): Remove the old insn list after update_life_info
21263 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
21265 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
21266 sched_analyze_insn.
21267 (sched_analyze_1): Let add_dependence care for not adding dups.
21268 (sched_analyze_2): Likewise.
21269 (add_branch_dependences): Likewise.
21271 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
21273 * i386/winnt.c (export_list): New type.
21274 (exports_head): Rename to
21275 (export_head): this.
21276 (i386_pe_record_exported_symbol): Add is_data flag.
21277 (i386_pe_asm_file_end): Emit directive for exported variables.
21278 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
21280 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
21281 (ASM_DECLARE_OBJECT_NAME): Likewise.
21282 (ASM_DECLARE_FUNCTION_NAME): Likewise.
21283 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
21285 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
21287 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
21289 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
21292 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
21294 * config/openbsd.h: Define SET_ASM_OP.
21295 * tm.texi: cross-reference SET_ASM_OP in the index.
21297 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
21299 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
21300 for a CONST_DOUBLE, at compile time. Initialize rtx_length
21301 and class_narrowest_mode at compile time. Kill init_rtl.
21302 Mark rtx_length, mode_class, mode_size, mode_unit_size,
21303 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
21304 rtx_format as const. Kill all references to EXTRA_CC_MODES or
21306 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
21308 * rtl.h: Declare rtx_length and rtx_format as const.
21309 * machmode.def: Define CC(). Use CC() to define CCmode. If
21310 EXTRA_CC_MODES is defined, expand it here.
21311 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
21312 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
21313 const. Kill all references to EXTRA_CC_MODES.
21315 * toplev.c: Don't prototype or call init_rtl.
21316 * optabs.c: Don't call init_mov_optab.
21317 * genemit.c: Don't generate init_mov_optab. Don't call
21319 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
21321 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
21322 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
21323 genrecog.c: Don't call init_rtl.
21325 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
21326 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
21327 definition of EXTRA_CC_MODES.
21329 * md.texi: Kill ref to EXTRA_CC_NAMES.
21330 * tm.texi: Document new way to define EXTRA_CC_MODES.
21332 * genrecog.c: Do not look up the name of a define_split.
21333 (Unrelated bugfix.)
21335 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
21337 * config/v850/v850.md: Fix typo introduced by previous delta.
21339 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21341 * gcc.c (fatal): Make definition static to match prototype.
21343 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21345 * combine.c (get_last_value): Don't look for earlier sets if the last
21346 known set is somewhere in between the insns being combined.
21348 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
21350 * configure.in: Don't use shell ! to negate exit codes
21351 * configure: Regenerate
21353 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
21355 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
21356 the fact that ALIGN is measured in bits, not bytes.
21358 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
21360 * errors.c: New file; defines functions error, warning, and
21361 fatal, variables have_error and progname.
21362 * errors.h: New file; prototypes and decls for stuff in errors.c.
21364 * Makefile: Add rules to build errors.o and
21365 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
21366 genopinit, genrecog, genextract, genpeep, genattr, and
21367 genoutput with errors.o. Add errors.h to deps of genconfig.o,
21368 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
21369 genpeep.o, genattr.o, and genoutput.o.
21371 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
21372 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
21373 define or prototype fatal. Set progname at beginning of main.
21374 * genoutput.c: Likewise, and don't define or prototype error
21377 * c-typeck.c (c_expand_start_case): Return immediately if exp
21379 * fold-const.c (operand_equal_p): Return immediately if arg1
21380 or arg0 are ERROR_MARKs.
21381 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
21382 fields of type ERROR_MARK when calculating if the record can
21385 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
21386 with much help from Jeffrey A Law and Richard Henderson
21388 * i386.md: In the 6 insns which call output_fix_trunc,
21389 earlyclobber operands[0].
21391 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
21393 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
21394 creating new registers.
21396 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
21398 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
21399 i386_reg_alloc_order, i386_regparm_string,
21400 i386_align_loops_string, i386_align_jumps_string,
21401 i386_align_funcs_string, i386_preferred_stack_boundary_string,
21402 and i386_branch_cost_string as type "const char *".
21403 * i386.c: Define all above strings as type "const char *".
21405 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
21407 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
21408 when emitting alignment padding. Emit padding byte of 0 instead of 4.
21410 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
21412 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
21413 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
21415 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
21417 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
21418 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
21419 (dwarf2out_line, dwarf2out_finish): Likewise.
21420 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
21422 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
21424 * tree.c (lang_unsave_expr_now) : Correct return type.
21425 * tree.h (lang_unsave_expr_now) : Same.
21427 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
21429 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
21430 instead of duplicating code.
21432 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21434 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
21436 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
21438 * tree.h: fancy_abort always takes three args.
21439 * resource.c: Move include of system.h before toplev.h.
21441 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
21443 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
21446 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
21448 * system.h: Don't redefine abort or trim_filename.
21449 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
21450 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
21451 whether or not __FUNCTION__ is available.
21452 * tree.h: Duplicate rtl.h's definition of abort, for files
21453 that don't include rtl.h. Delete all code to perform type
21454 checking with a compiler other than GCC.
21455 * varray.h: Delete all code to perform type checking with a
21456 compiler other than GCC. Make VARRAY_CHECK() always evaluate
21457 its arguments exactly once, using a statement expression.
21458 Adjust the VARRAY_<type> accessor macros to match.
21459 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
21460 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
21461 caller's location. Define fatal_insn and fatal_insn_not_found
21462 as macros that use _fatal_insn and _fatal_insn_not_found.
21463 (fancy_abort, trim_filename): Kill prototypes.
21465 * rtl.c (trim_filename): Move here from toplev.c.
21466 (fancy_abort): New function.
21467 (DIR_SEPARATOR): Provide default definition.
21468 * tree.c (tree_check_failed, tree_class_check_failed): Go
21469 through fancy_abort.
21470 (tree_check, tree_class_check, cst_or_constructor_check,
21471 expr_check): Delete.
21472 * varray.c (varray_check_failed): New function.
21473 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
21474 _fatal_insn and _fatal_insn_not_found. Go through
21476 (trim_filename, fancy_abort): Delete.
21478 * builtins.c (expand_builtin_args_info): Report ICE with abort.
21479 * except.c (start_catch_handler): Report ICE with error/abort
21481 * final.c (output_operand_lossage): Likewise.
21482 * flow.c (verify_flow_info): Likewise.
21484 * gcc.c: Prototype fatal.
21485 * gengenrtl.c: Undef abort after including rtl.h not system.h.
21486 * genattr.c, genattrtab.c, genemit.c, genextract.c,
21487 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
21488 Don't define fancy_abort.
21490 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
21492 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
21495 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
21497 * m88k.h (VERSION_INFO2): Kill.
21498 (VERSION_STRING): Kill.
21500 (VERSION_INFO1): Tidy.
21501 (TARGET_VERSION): Update.
21502 * m88k/dgux.h (VERSION_INFO2): Kill.
21503 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
21504 * m88k/luna.h (VERSION_INFO1): Tidy.
21505 * m88k/sysv4.h (VERSION_INFO1): Likewise.
21506 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
21507 (output_file_start): Adjust for death of VERSION_STRING.
21509 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
21511 * cpplib.c (detect_if_not_defined): New function.
21512 (do_if): Use it to detect potential once-only headers.
21514 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
21516 * c-common.c (combine_strings): Always set TREE_CONSTANT.
21518 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
21520 * combine.c (nonzero_bits) : Allow single-ly set registers to be
21521 anywere in the function only if they are pseudos and set before
21522 being used (not live at the start of the function).
21523 (num_sign_bit_copies) : Same.
21524 (get_last_value_validate) : Same.
21525 (get_last_value) : Same.
21527 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
21529 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
21530 where N and M are constant and N is an integer multiple of M.
21532 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21534 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
21535 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
21536 sbitmap_union_of_preds): Add prototypes.
21537 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
21538 the intersection of successors with the new flow graph structures.
21539 (sbitmap_intersection_of_preds): New function to compute the
21540 intersection of predecessors with the new flow graph structures.
21541 (sbitmap_union_of_succs): New function to compute the union of
21542 successors with the new flow graph structures.
21543 (sbitmap_union_of_preds): New function to compute the union of
21544 predecessors with the new flow graph structures.
21545 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
21546 (expr_reaches_here_p): Use edge and basic_block structures instead
21547 of s_preds and s_succs.
21548 (compute_cprop_avinout): Use new sbitmap routines.
21549 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
21550 of s_preds and s_succs.
21551 * flow.c (compute_flow_dominators): Compute dominators using
21552 edges and basic blocks instead of s_preds and s_succs.
21554 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
21556 * lists.c (unused_insn_list, unused_expr_list): New file for
21557 maintaining various types of lists. New statics for maintaining a
21558 cache of available INSN_LIST and EXPR_LIST nodes.
21559 (free_list): Static function for freeing a list of INSN/EXPR nodes.
21560 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
21561 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
21562 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
21563 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
21564 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
21565 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
21566 (free_INSN_LIST_node): Free an individual INSN_LIST node.
21567 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
21568 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
21569 (remove_dependence, free_pending_lists): Use new global routines.
21570 (flush_pending_lists, sched_analyze_insn): Use new global routines.
21571 (sched_analyze, compute_block_backward_dependences): Use new routines.
21572 (sched_analyze_1, sched_analyze_2): Use new routines.
21573 (schedule_insns): Use new global routines.
21574 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
21576 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
21577 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
21579 * toplev.c (rest_of_compilation): Initialize node cache.
21580 * Makefile.in (OBJS): Add lists.o to list of object files.
21581 (lists.o): Add dependancies.
21583 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
21585 * config/v850/v850.md: Fix compile time warning messages.
21586 * config/v850/v850.c: Fix compile time warning messages.
21587 * config/v850/v850.h: Fix compile time warning messages.
21589 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21591 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
21592 Remove unused prototype for `init_lengths'.
21594 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21596 * calls.c (emit_call_1): Mark parameter `stack_size' with
21598 (expand_call): Initialize variable `insn'.
21599 (emit_library_call): Likewise for variable `high_to_save'.
21600 (emit_library_call_value): Likewise.
21601 (store_one_arg): Likewise for variables `lower_bound' and
21604 * combine.c (try_combine): Likewise for variables `i2_code_number'
21605 and `other_code_number'.
21606 (find_split_point): Likewise for variables `pos', `unsignedp' and
21608 (simplify_if_then_else): Likewise for variables `op' and `c1'.
21609 (simplify_and_const_int): Remove unused variable `width'.
21610 (merge_outer_ops): Likewise.
21612 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
21613 HOST_WIDE_INT' when comparing against one.
21614 (simplify_relational_operation): Likewise.
21615 (cse_insn): Initialize variables `src_eqv_volatile',
21616 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
21618 * final.c (init_final): Constify parameter `filename'.
21619 (final_start_function): Mark parameter `optimize' with
21621 (profile_function): Likewise for parameters `first' and `optimize'.
21622 (output_source_line): Likewise for parameter `file'.
21624 * integrate.c (subst_constants): Cast a value to `size_t' when
21625 comparing against one.
21626 (mark_stores): Initialize variable `mode'. Cast a value to
21627 `size_t' when comparing against one.
21629 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
21631 * loop.c (move_movables): Initialize variable `first'.
21632 (strength_reduce): Likewise for variable `increment'.
21633 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
21634 value to `size_t' when comparing against one.
21635 (load_mems): Initialize variable `end_label'.
21637 * output.h (init_final): Constify parameter.
21639 * reload.c (decompose): Initialize variable `base'.
21641 * reload1.c (reload): Likewise for variable `is_scalar'.
21642 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
21643 (choose_reload_regs): Initialize variable `mode'.
21644 (emit_reload_insns): Likewise for variable `store_insn'.
21645 (reload_cse_noop_set_p): Mark parameter `insn' with
21647 (reload_combine): Initialize variable `set'.
21649 * unroll.c (unroll_loop): Likewise for variable `local_label'.
21650 (copy_loop_body): Cast a value to `size_t' when comparing against
21653 * varasm.c (assemble_variable): Initialize variable `size_tree'.
21654 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
21655 (remove_from_pending_weak_list): Mark parameter `name' with
21658 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21660 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
21663 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
21665 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
21666 (ASM_DECLARE_FUNCTION_NAME): Define.
21667 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
21668 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
21669 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
21670 not already defined.
21672 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
21674 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
21675 of n_popped when call/call_value are not defined.
21677 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
21679 * tm.texi: GNU CC -> GCC conversion.
21680 (CC1_SPEC): Indicate it is used for all language front ends.
21682 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
21684 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
21685 NOTE_INSN_EH_REGION_END correctly.
21687 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
21688 Jeff Law <law@cygnus.com>
21690 * loop.c (strength_reduce): Automatically unroll loops if the
21691 unrolled loop size is smaller than the rolled loop size.
21693 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
21694 and delete comment that code should be rewritten.
21696 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
21698 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
21701 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
21703 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
21705 * fixinc/mkfixinc.sh: Don't fix uwin headers.
21706 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
21707 (LINK_SPEC): Add -u _main when building executables.
21708 (ASM_DECLARE_FUNCTION): Update from Cygwin.
21709 (ASM_FILE_END): Use the default for ix86-pe.
21710 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
21712 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
21714 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
21715 and ASM_CLOSE_PAREN are empty strings.
21717 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
21718 Geoffrey Keating <geoffk@cygnus.com>
21720 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
21721 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
21722 (unprotoize.o): Ditto.
21723 (test-protoize-simple): Don't define STD_PROTO_DIR.
21724 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
21725 changes to make 'test-protoize-simple' pass.
21726 (STD_PROTO_DIR): Remove define.
21727 (STANDARD_EXEC_PREFIX): Supply default define.
21728 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
21729 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
21730 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
21731 (GET_ENV_PATH_LIST): New macro.
21732 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
21733 (do_processing): Initialize default_syscalls_dir using new
21734 macros. Use it to initialize syscalls_absolute_filename.
21736 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
21738 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
21739 B into a register before emit_conditional_move.
21741 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
21743 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
21744 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
21745 multiplicand out of (+ (* a b) (* c d)).
21747 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
21748 Richard Henderson <rth@cygnus.com>
21750 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
21751 (new_insn_dead_notes): Likewise.
21752 (update_n_sets): Likewise.
21753 (update_flow_info): Move to flow.c, renamed to update_life_info;
21754 extend to handle multiple source insns.
21755 * flow.c: Include resource.h
21756 (unlink_insn_chain): New.
21757 (split_hard_reg_notes): New.
21758 (maybe_add_dead_note): New.
21759 (maybe_add_dead_note_use): New.
21760 (find_insn_with_note): New.
21761 (new_insn_dead_notes): New.
21762 (update_n_sets): New.
21763 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
21764 (maybe_remove_dead_notes): New.
21765 (update_life_info): New.
21766 (prepend_reg_notes): New.
21767 (replace_insns): New.
21768 * output.h (update_life_info): Declare.
21769 * recog.c (split_block_insns): Use update_life_info.
21770 * resource.c (find_free_register): Use reg_alloc_order, don't use
21771 fixed regs, make sure the mode is supported, don't use new regs.
21773 * rtl.h (replace_insns): Declare.
21775 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
21777 * expr.c (expand_expr): Cope with COND_EXPRs with one
21778 non-returning branch.
21780 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
21782 * expr.c (store_expr): Always pass down the target, even when not
21785 1999-08-24 Nick Clifton <nickc@cygnus.com>
21787 * configure.in: Define target_cpu_default for v850 targets.
21788 * configure: Regenerate
21790 * config/v850/v850.h (TARGET_CPU_generic): Define.
21791 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
21792 addresses are 4 byte aligned.
21794 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
21797 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21799 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
21800 (main): Add prototypes.
21802 * genattrtab.c (substitute_address, write_const_num_delay_slots,
21803 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
21804 (write_attr_get): Emit prototypes along with function definition.
21805 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
21806 (write_complex_function): Emit static prototype along with
21807 function definition.
21809 * genemit.c (gen_split): Emit prototypes along with function
21812 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
21813 Likewise for predicates and `insn_operand_predicate'.
21814 (process_template): Emit static prototype along with function
21817 * genrecog.c (make_insn_sequence): Constify a char*. Add
21818 prototypes for get_split_*().
21819 (write_subroutine): Emit prototypes along with function
21822 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21824 * gcse.c (find_avail_set): Follow chains of register-register copies.
21825 Use oprs_not_set_p to guarantee that the returned value can be
21827 (cprop_insn): Don't verify the return value of find_avail_set with
21830 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
21831 (cprop_cc0_jump): New function.
21832 (cprop_insn): Break out new function cprop_jump and use it.
21833 Also use cprop_cc0_jump for machines with CC0.
21834 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
21836 * tree.h (current_function_calls_setjmp,
21837 current_function_calls_longjmp): Delete declarations.
21838 * dsp16xx.c: Include "function.h".
21839 * elxsi.c: Likewise.
21840 * gmicro.c: Likewise.
21841 * h8300.c: Likewise.
21842 * i370.c: Likewise.
21843 * m32r.c: Likewise.
21844 * mn10200.c: Likewise.
21845 * mn10300.c: Likewise.
21846 * ns32k.c: Likewise.
21847 * spur.c: Likewise.
21848 * v850.c: Likewise.
21850 * rtl.h (rtx_equal_function_value_matters): Declare.
21851 * toplev.c (rtx_equal_function_value_matters): Don't declare.
21853 * function.c: Likewise.
21854 * emit-rtl.c: Likewise.
21856 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
21858 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
21861 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
21863 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
21866 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
21868 * cpp.texi: Add a node documenting macro varargs (copied
21871 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
21873 * cppspec.c: Put a null pointer at the end of the new argv.
21875 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
21877 * configure.in: Remove code to select/de-select the haifa
21878 scheduler. Every scheduled port gets haifa now.
21879 * configure: Rebuilt.
21880 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
21882 * Makefile.in: Corresponding changes.
21884 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21886 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
21887 All callers changed.
21888 (prepare_float_lib_cmp): Likewise.
21889 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
21890 * expr.h (emit_float_lib_cmp): Delete declaration.
21891 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
21892 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
21893 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
21895 (cmptf): Now conditional on TARGET_HARD_QUAD.
21897 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
21899 * resource.c (mark_target_live_regs): Use
21900 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
21902 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21904 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
21906 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
21908 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
21910 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21912 * rtl.h (rtx_format): Constify a char*.
21914 * rtl.c (rtx_format): Likewise.
21915 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
21916 (init_rtl): Use accessor macro, not `rtx_format'.
21918 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
21921 * caller-save.c (mark_referenced_regs): Likewise.
21923 * combine.c (subst, make_compound_operation, known_cond,
21924 gen_rtx_combine, update_table_tick, get_last_value_validate,
21925 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
21927 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
21928 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
21929 count_reg_usage): Likewise.
21931 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
21934 * final.c (leaf_renumber_regs_insn): Likewise.
21936 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
21937 dump_edge_info, count_reg_references): Likewise.
21939 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
21940 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
21943 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
21944 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
21945 add_label_notes): Likewise.
21947 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
21948 clear_struct_flag, count_sub_rtxs, count_alternatives,
21949 compares_alternatives_p, contained_in_p, walk_attr_value,
21950 write_expr_attr_cache): Likewise.
21952 * genconfig.c (walk_insn_part): Likewise.
21954 * genemit.c (max_operand_1, gen_exp): Likewise.
21956 * genextract.c (walk_rtx): Likewise.
21958 * genflags.c (num_operands): Likewise.
21960 * genoutput.c (scan_operands): Likewise.
21962 * genpeep.c (match_rtx): Likewise.
21964 * genrecog.c (add_to_sequence): Likewise.
21966 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
21969 * integrate.c (save_constants, copy_for_inline,
21970 copy_rtx_and_substitute, subst_constants, restore_constants):
21973 * jump.c (mark_jump_label, invert_exp, redirect_exp,
21974 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
21976 * local-alloc.c (contains_replace_regs, memref_referenced_p):
21979 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
21980 add_label_notes, replace_call_address, count_nonfixed_reads,
21981 invariant_p, find_single_use_in_loop, find_mem_givs,
21982 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
21985 * print-rtl.c (reg_names, print_rtx): Likewise.
21987 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
21989 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
21990 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
21991 print_blocks): Likewise.
21993 * regclass.c (fix_register, record_address_regs,
21994 reg_scan_mark_refs): Likewise.
21996 * regmove.c (stable_but_for_p): Likewise.
21998 * reload.c (loc_mentioned_in_p, operands_match_p,
21999 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22000 copy_replacements, refers_to_regno_for_reload_p,
22001 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22002 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22005 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22006 delete_address_reloads_1, count_occurrences,
22007 reload_cse_mem_conflict_p, reload_combine_note_use,
22008 add_auto_inc_notes): Likewise.
22010 * resource.c (mark_referenced_resources, mark_set_resources):
22013 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22014 reg_mentioned_p, regs_set_between_p, modified_between_p,
22015 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22016 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22017 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22018 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22020 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22022 * stupid.c (stupid_mark_refs): Likewise.
22024 * unroll.c (remap_split_bivs): Likewise.
22026 * varasm.c (mark_constants): Likewise.
22028 * a29k/a29k.c (uses_local_reg_p): Likewise.
22030 * alpha/alpha.c (summarize_insn): Likewise.
22032 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22033 eliminate_lr2ip): Likewise.
22035 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22037 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22038 reg_mentioned_in_mem): Likewise.
22040 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22041 symbolic_reference_mentioned_p): Likewise.
22043 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22045 * sh/sh.c (regs_used, mark_use): Likewise.
22047 * vax/vax.c (vax_rtx_cost): Likewise.
22049 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22051 * machmode.h (mode_name): Constify a char*.
22053 * rtl.c (mode_name): Likewise.
22055 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22057 * optabs.c (init_libfuncs): Constify a char*.
22059 * print-tree.c (mode_name): Remove redundant declaration.
22060 (print_node): Use accessor macro, not `mode_name'.
22062 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22064 (new_spill_reg): Constify a char*.
22066 * tree.c (mode_name): Remove redundant declaration.
22068 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22070 * rtl.c (rtx_name): Constify a char*.
22072 * rtl.h (rtx_name, fix_sched_param): Likewise.
22074 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22075 (mypr): Use accessor macro, not `rtx_name'.
22077 * genemit.c (print_code): Constify a char*.
22079 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22081 * genpeep.c (print_code): Constify a char*.
22083 * genrecog.c (print_code): Likewise.
22085 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22086 end_bb): Add static prototype.
22087 (draw_edge): Constify a char*.
22088 (end_bb): Remove unused parameter.
22090 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22091 print_block_visualization): Constify a char*.
22093 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22095 * c-common.c (c_get_alias_set): Update comment.
22097 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22099 * linux.h (LIB_SPEC): Added.
22101 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22103 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22105 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22107 * tree.c (expr_check): Fix typo in last change.
22109 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22111 * rtl.def (NOTE): Change format to "iuu0n".
22112 (ADDR_DIFF_VEC): Change format to "eEee0".
22113 (ADDRESSOF): Change format to "eit".
22115 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22116 (RTVEC_ELT): Change to match.
22117 (XVECEXP): Use XVEC and RTVEC_ELT.
22118 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22119 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22120 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22121 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22122 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22123 (INTVAL): Use XWINT.
22124 (ADDRESSOF_DECL): Use XTREE.
22125 (SET_ADDRESSOF_DECL): Delete.
22126 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22127 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22128 ifdefed out since 2.6 at least.
22129 (gen_rtvec_vv): Delete prototype.
22131 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22133 (copy_most_rtx): Handle 't' format letter.
22134 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22135 (gen_rtvec_vv): Delete function. All callers changed to use
22136 gen_rtvec_v instead.
22137 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22138 the '0' format letter.
22140 * function.c (gen_mem_addressof): Don't use
22141 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
22143 * integrate.c (copy_rtx_and_substitute): Likewise.
22144 Copy 't' slots with XTREE.
22145 (subst_constants): Treat 't' slots like '[swi]' slots.
22146 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
22147 * jump.c (rtx_equal_for_thread_p): Likewise.
22148 * rtlanal.c (rtx_equal_p): Likewise.
22149 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
22150 only four arguments.
22151 * gengenrtl.c (type_from_format): Provide correct types for
22155 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
22156 If a recent gcc is in use (always in stage2 and beyond), use
22157 statement expressions, so we don't make a function call unless
22158 the check fails. Evaluate arguments exactly once.
22159 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
22160 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
22162 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
22163 they evaluate their arguments exactly once, irrespective of
22164 the compiler in use.
22166 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
22167 is used by the currently-enabled check macros. This is:
22168 (tree_check_failed, tree_class_check_failed): For gcc.
22169 (tree_check, tree_class_check, cst_or_constructor_check,
22170 expr_check): For other compilers.
22172 * gencheck.c: Do not define any *_CHECK1 macros.
22174 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
22175 Mark Mitchell <mark@codesourcery.com>
22177 * c-common.c (c_get_alias_set): Fix support for poitners and
22180 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
22182 * alias.c: Include tree.h.
22183 (nonlocal_reference_p, mark_constant_function): New functions.
22184 * flow.c (life_analysis): Call mark_constant_function.
22185 * rtl.h (mark_constant_function): Declare it.
22187 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
22189 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
22190 unrecognisable switches.
22192 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22194 * loop.c (recombine_givs): Set ix field after sorting.
22195 (recombine_givs): Remove bogus index / giv lockstep looping.
22197 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22199 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
22201 (emit_store_flag_force): Use do_compare_rtx_and_jump.
22202 (do_cmp_and_jump): Formatting fixes.
22203 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
22204 do_compare_rtx_and_jump instead of compare_from_rtx.
22205 (do_compare_rtx_and_jump): New function; mostly copied from
22207 (do_jump_for_compare): Delete.
22208 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
22210 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
22211 of compare/do_jump_for_compare pairs.
22212 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
22213 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
22214 compare_from_rtx/do_jump_for_compare pairs.
22215 (do_jump_by_parts_equality): Likewise.
22216 (do_jump_by_parts_equality_rtx): Likewise.
22217 * expr.h (do_compare_rtx_and_jump): Declare.
22218 * optabs.c (prepare_cmp_insn): New function, contains most of the code
22219 that used to be in emit_cmp_insn.
22220 (cmp_available_p): New function.
22221 (prepare_operand): New function.
22222 (emit_cmp_and_jump_insn_1): New function, contains some code that used
22223 to be in emit_cmp_insn.
22224 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
22225 parameters to be pointers; don't emit final compare but modify some of
22226 the values pointed to by the args so the caller can perform the
22227 correct comparison.
22228 (expand_binop): Call emit_store_flag_force with signed forms of
22230 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
22231 emit_jump_insn pair.
22232 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
22233 emit_cmp_and_jump_insn_1. Call emit_queue.
22234 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
22236 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
22237 jump sets cc0 before deleting it.
22238 * integrate.c (expand_inline_function): Likewise.
22239 * unroll.c (unroll_loop): Similar changes in several places.
22240 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
22241 before deleting it.
22243 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22245 * Makefile.in (insn-recog.o): Update dependencies.
22246 * genrecog.c (main): Make generated file include "function.h".
22248 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
22250 * cse.c (cse_insn): Call never_reached_warning when a jump is
22251 changed to be unconditional.
22252 * flags.h: Declare warn_notreached.
22253 * flow.c (delete_block): Call never_reached_warning when
22254 a block is deleted.
22255 * jump.c (delete_barrier_successors): Call never_reached_warning
22256 when we delete everything after a BARRIER.
22257 (never_reached_warning): New function.
22258 * rtl.h: Declare never_reached_warning.
22259 * toplev.c (warn_notreached): New variable.
22260 (lang_independent_options): Set warn_notreached
22261 when -Wunreachable-code.
22262 (compile_file): We need line numbers for -Wunreachable-code.
22264 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
22266 * haifa-sched.c (insn_unit): Fix typo on out of range test.
22267 * sched.c (insn_unit): Likewise.
22269 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
22271 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
22273 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22275 * flow.c (create_edge_list): Use xmalloc, not malloc.
22277 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
22279 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
22280 C-style comments. Do not lose the character before double slash.
22282 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22284 * basic-block.h (struct edge_list): Stucture to maintain a vector
22286 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
22287 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
22288 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
22289 New function prototypes.
22290 * flow.c (create_edge_list): Function to create an edge list.
22291 (free_edge_list): Discards memory used by an edge list.
22292 (print_edge_list): Debug output showing an edge list.
22293 (verify_edge_list): Internal consistency check for an edge list.
22294 (find_edge_index): Function to find an edge index for a pred and succ.
22296 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
22298 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
22301 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
22303 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
22305 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
22307 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
22309 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
22311 * toplev.c (rest_of_compilation): Allow machine dependent
22312 reorganisation pass to place information into the RTL dump
22313 file if it so wishes.
22315 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
22317 * explow.c (hard_function_value): Use VOIDmode instead of
22319 * stmt.c (expand_return): Likewise.
22320 * stor-layout.c (get_best_mode): Likewise.
22322 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
22323 emit call instead of emit_insn call.
22325 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22327 * configure.in: Handle --disable/enable-win32-registry.
22328 * install.texi: Document --disable/enable-win32-registry.
22329 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
22330 (WIN32_REGISTRY_KEY): New macro.
22331 * prefix.c: Use to enable/disable win32-specific code.
22332 (lookup_key): Use versioned key.
22333 * configure: Regenerate.
22334 * config.in: Likewise.
22336 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
22338 * cpplib.c (read_line_number): New fn, split out of...
22341 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
22343 tree.c (lang_unsave_expr_now) : New.
22344 (unsave_expr_now): Call lang_unsave_expr_now.
22345 tree.h (lang_unsave_expr_now) : New.
22347 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
22349 * toplev.c (flag_new_exceptions): On by default.
22351 1999-08-13 Michael Meissner <meissner@cygnus.com>
22353 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
22355 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
22357 * dwarfout.c (fundamental_type_code): Return FT_boolean for
22358 INTEGER_TYPE with precision==1, it's __java_boolean.
22360 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22362 * global.c (prune_preferences): Move some invariants out of the
22365 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
22367 * configure.in (alpha*-dec-osf*): Add osf5.
22369 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
22371 * configure.in: Rework handling of ARM GNU/Linux slightly.
22372 (arm*-*-linux-gnuoldld): New target.
22373 * configure: Regenerate.
22374 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
22375 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
22376 * config/arm/linux-oldld.h: New file.
22377 * config/arm/linux-elf26.h: Don't include linux-elf.h.
22378 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
22380 * config/arm/linux-elf.h (ASM_SPEC): Define.
22381 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
22382 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
22383 for 26-bit APCS and old linker.
22384 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
22386 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
22387 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
22388 don't define `arm' or `arm_elf'.
22389 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
22390 MULTILIB_DIRNAMES): Define. Fix typo in comment.
22392 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
22394 * rtl.texi: Fix typo.
22396 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
22398 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
22400 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
22402 * extend.texi (C++ Signatures): Remove node.
22403 * invoke.texi: Remove discussion of -fhandle-signatures,
22404 signature, sigof, __signature__, and __sigof__.
22406 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
22408 * Makefile.in (JAVAGC): Removed.
22410 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
22412 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22414 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
22416 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
22418 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
22420 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
22421 a register that is already known to be a pointer.
22423 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
22425 * fixinc/inclhack.tpl: Only install assert.h conditionally.
22426 * fixinc/inclhack.sh: Regenerated.
22427 * fixinc/fixincl.sh: Regenerated.
22429 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
22431 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
22432 Fix documentation of -ansi flag to describe its C++ behavior.
22433 Remove bogus reference to GCC 2.9.
22435 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
22437 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
22438 note if it is non-NULL.
22440 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22442 * except.h (eh_nesting_info): Add new structure defintion.
22443 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
22444 (reachable_handlers, update_rethrow_references): Add function
22446 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
22447 a rethrow symbol instead of an integer exception region number.
22448 * flow.c (Make_edges): Use new exception nesting routines to determine
22449 which handlers are reachable from a CALL or asynchronous insn.
22450 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
22452 (delete_eh_regions): Update rethrow labels, and don't delete
22453 regions which are the target of a rethrow.
22454 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
22455 avoid overloading the SYMBOL_REF_USED flag.
22456 (rethrow_symbol_map): Use new rethrow_ref field.
22457 (rethrow_used): Use new rethrow_ref field.
22458 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
22459 of an integer. Fix formatting.
22460 (output_exception_table_entry): Use new rethrow_ref field.
22461 (can_throw): Check for EH_REGION_NOTE before deciding
22462 whether a CALL can throw or not.
22463 (scan_region): Call rethrow_used() instead of accessing data structure.
22464 (update_rethrow_references): New function to make sure only regions
22465 which are still targets of a rethrow are flagged as such.
22466 (process_nestinfo): New static function to initialize a handler
22467 list for a specific region.
22468 (init_eh_nesting_info): New function to allocate and initialize
22469 the list of all EH handlers reachable from all regions.
22470 (reachable_handlers): New function to retrieve the list of handlers
22471 reachable from a specific region and insn.
22472 (free_eh_nesting_info): New function to dispose of a list of
22473 reachable handlers.
22475 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22477 * flow.c (split_edge): Set JUMP_LABEL field.
22478 (commit_one_edge_insertion): Set head correctly for insert_before.
22479 When inserting insns, update insn block numbers if allocated.
22481 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22483 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
22484 retry_incomplete_types): Add static prototype.
22485 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
22486 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
22487 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
22488 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
22489 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
22492 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
22493 dwarf2out_start_source_file, dwarf2out_line): Likewise.
22495 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22497 * output.h (assemble_name): Constify a char*.
22499 * varasm.c (UNIQUE_SECTION, assemble_start_function,
22500 assemble_variable, assemble_name): Likewise.
22502 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
22504 * arm/pe.c (arm_pe_unique_section): Likewise.
22506 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
22508 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
22510 * i386/interix.c (i386_pe_unique_section): Likewise.
22512 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
22514 * i386/winnt.c (i386_pe_unique_section): Likewise.
22516 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
22518 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
22520 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
22522 * pa/pa.c (output_call): Likewise.
22524 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
22526 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
22528 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
22531 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
22534 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
22536 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
22537 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
22539 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
22541 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22543 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
22545 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22547 * tree.h (lang_identify): Constify a char*.
22548 (print_error_function): Add extern prototype. Constify a char*.
22550 * c-lang.c (lang_identify): Constify a char*.
22552 * objc/objc-act.c (lang_identify): Constify a char*.
22554 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22556 * genpeep.c (main): Make generated file include "function.h".
22557 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
22559 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22561 * Makefile.in: Update dependencies.
22562 * alias.c: Include "function.h"
22563 * c-decl.c: Likewise.
22564 * caller-save.c: Likewise.
22565 * calls.c: Likewise.
22566 * combine.c: Likewise.
22568 * explow.c: Likewise.
22569 * final.c: Likewise.
22570 * global.c: Likewise.
22571 * graph.c: Likewise.
22572 * local-alloc.c: Likewise.
22573 * loop.c: Likewise.
22574 * optabs.c: Likewise.
22575 * profile.c: Likewise.
22576 * recog.c: Likewise.
22577 * regclass.c: Likewise.
22578 * regmove.c: Likewise.
22579 * reload.c: Likewise.
22580 * reorg.c: Likewise.
22581 * resource.c: Likewise.
22582 * sched.c: Likewise.
22583 * stupid.c: Likewise.
22584 * config/1750a/1750a.c: Likewise.
22585 * config/a29k/a29k.c: Likewise.
22586 * config/arc/arc.c: Likewise.
22587 * config/arm/arm.c: Likewise.
22588 * config/arm/thumb.c: Likewise.
22589 * config/c4x/c4x.c: Likewise.
22590 * config/clipper/clipper.c: Likewise.
22591 * config/convex/convex.c: Likewise.
22592 * config/fx80/fx80.c: Likewise.
22593 * config/i860/i860.c: Likewise.
22594 * config/m68k/m68k.c: Likewise.
22595 * config/m88k/m88k.c: Likewise.
22596 * config/mips/mips.c: Likewise.
22597 * config/pdp11/pdp11.c: Likewise.
22598 * config/pyr/pyr.c: Likewise.
22599 * config/romp/romp.c: Likewise.
22600 * config/sh/sh.c: Likewise.
22601 * config/tahoe/tahoe.c: Likewise.
22602 * config/vax/vax.c: Likewise.
22603 * config/we32k/we32k.c: Likewise.
22604 * config/sparc/sparc.c: Include "function.h".
22605 (mem_min_alignment): Test current_function rather than
22606 regno_pointer_align.
22607 * config/pa/pa.c: Likewise.
22608 (compute_frame_size): Delete declaration of
22609 current_function_outgoing_args_size.
22610 * config/arc/arc.h (current_function_varargs): Delete declaration.
22611 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
22613 * config/i370/i370.h (current_function_outgoing_args_size): Delete
22615 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
22616 current_function_uses_pic_offset_table.
22617 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
22618 of current_function_returns_pointer.
22619 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22620 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22621 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22622 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22623 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22624 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
22625 * config/m88k/m88k.c: Include "function.h"
22626 (call_used_regs, current_function_pretend_args_size,
22627 current_function_outgoing_args_size, frame_pointer_needed): Delete
22629 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
22631 * config/mips/mips.h (current_function_calls_alloca): Delete
22633 * config/mn10200/mn10200.h (current_function_needs_context,
22634 rtx_equal_function_value_matters): Delete declarations.
22635 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
22636 flag_pic): Delete declarations.
22637 * config/pa/pa.h (current_function_pretend_args_size,
22638 current_function_decl): Delete declarations.
22639 * config/pa/som.h (current_function_varargs): Delete declaration.
22640 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
22642 * config/pyr/pyr.h (current_function_pretend_args_size,
22643 current_function_args_size, current_function_calls_alloca): Delete
22645 * config/sh/sh.h (current_function_varargs): Delete declaration.
22646 * config/sparc/sparc.h (current_function_outgoing_args_size,
22647 current_function_calls_alloca, current_function_decl): Delete
22649 * config/spur/spur.h (current_function_pretend_args_size,
22650 current_function_calls_alloca): Delete declarations.
22651 * config/v850/v850.c (current_function_outgoing_args_size): Delete
22653 * config/vax/vms.h (current_function_name): Delete declaration.
22654 * gcse.c: Include "function.h".
22655 (current_function_name, current_function_calls_setjmp): Delete
22657 * haifa-sched.c: Include "function.h".
22658 (forced_labels): Delete declaration.
22659 * jump.c: Likewise.
22660 * reg-stack.c: Likewise.
22661 * reload1.c: Likewise.
22662 * genemit.c (main): Make generated file include function.h.
22663 * genoutput.c (output_prologue): Likewise.
22665 * builtins.c (saveregs_value, apply_args_value): Delete variables.
22666 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
22667 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
22668 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
22669 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
22670 macros for some of them.
22671 (emit_filename, emit_lineno): Delete declarations.
22672 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
22673 regno_pointer_* variables through current_function.
22674 (gen_inline_header_rtx): Delete function.
22675 (save_emit_status): Delete function.
22676 (set_new_last_label_num): New function.
22677 (clear_emit_caches): New function.
22678 (restore_emit_status): Just clear last_labelnum and call
22680 (get_last_insn_anywhere): Variable sequence_stack is now accessed
22681 through macro seq_stack.
22682 (add_insn_after): Likewise.
22683 (add_insn_before): Likewise.
22684 (remove_insn): Likewise.
22685 (pop_topmost_sequence): Likewise.
22686 (in_sequence_p): Likewise.
22687 (start_sequence_for_rtl_expr): Likewise.
22688 (start_sequence): Likewise, and likewise for
22689 sequence_rtl_expr/seq_rtl_expr.
22690 (push_topmost_sequence): Likewise.
22691 (end_sequence): Likewise.
22692 (init_virtual_regs): Now takes a "struct emit_status *" argument.
22693 All callers changed. Store into that pointer instead of globals.
22694 (init_emit): Allocate emit elt of current_function.
22695 Changes for sequence_rtl_expr/sequence_stack renaming.
22696 Call clear_emit_caches instead of doing it in-line.
22697 Access regno_pointer_* variables through current_function.
22698 (init_emit_once) Don't clear sequence_stack.
22700 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
22702 (arg_pointer_save_area): Delete declaration.
22703 (finish_expr_for_function): Renamed from init_queue; no longer static.
22704 (init_expr): Don't call init_queue.
22705 (save_expr_status, restore_expr_status): Delete functions.
22706 (expand_expr): Changes to reflect new layout of struct function.
22707 Don't access current_function_check_memory_usage when current_function
22709 * expr.h (forced_labels, save_expr_regs, saveregs_value,
22710 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
22711 current_function_outgoing_args_size, current_function_arg_offset_rtx,
22712 current_function_uses_const_pool, function_call_count,
22713 current_function_uses_pic_offset_table, nonlocal_labels,
22714 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
22715 current_function_check_memory_usage, nonlocal_goto_handler_slots,
22716 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
22718 (finish_expr_for_function): Declare.
22719 * flags.h (current_function_has_nonlocal_label,
22720 current_function_has_nonlocal_goto, current_function_is_thunk,
22721 current_function_has_computed_jump): Delete declarations.
22722 * flow.c (forced_labels): Delete declaration.
22723 * function.c (current_function_pops_args,
22724 current_function_returns_struct, current_function_returns_pcc_struct,
22725 current_function_needs_context, current_function_calls_setjmp,
22726 current_function_calls_longjmp, current_function_has_nonlocal_label,
22727 current_function_has_nonlocal_goto, current_function_is_thunk,
22728 current_function_has_computed_jump, current_function_calls_alloca,
22729 current_function_contains_functions, current_function_returns_pointer,
22730 current_function_epilogue_delay_list, current_function_args_size,
22731 current_function_pretend_args_size, current_function_arg_offset_rtx,
22732 current_function_outgoing_args_size, current_function_varargs,
22733 current_function_stdarg, current_function_args_info, cleanup_label,
22734 current_function_name, current_function_uses_const_pool,
22735 current_function_instrument_entry_exit, current_function_return_rtx,
22736 current_function_uses_pic_offset_table, nonlocal_labels,
22737 current_function_internal_arg_pointer, current_function_cannot_inline,
22738 current_function_check_memory_usage, function_call_count,
22739 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
22740 nonlocal_goto_stack_level, return_label, save_expr_regs,
22741 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
22742 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
22743 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
22744 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
22745 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
22747 (push_function_context_to): Don't save them. Don't call
22748 save_storage_status, save_emit_status or save_expr_status.
22749 (pop_function_context_from): Don't restore them. Don't call
22750 restore_storage_status or restore_expr_status.
22751 (get_func_frame_size): New function.
22752 (get_frame_size): Use it.
22753 (assign_outer_stack_local): Reflect some member name changes in struct
22755 (put_reg_into_stack): Likewise.
22756 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
22758 (fixup_var_refs): Likewise.
22759 (fix_lexical_addr): Likewise.
22760 (trampoline_address): Likewise.
22761 (prepare_function_start): Clear field inlinable of current_function.
22762 (init_function_for_compilation): New function.
22763 (expand_dummy_function_end): New function.
22764 (expand_function_end): Call finish_expr_for_function.
22765 * function.h (struct emit_status): New; fields moved here from struct
22766 function and from global variables. Add accessor macros for some of
22768 (struct expr_status): Likewise.
22769 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
22770 (struct function): Add fields expr and emit, inlinable, inl_emit,
22771 original_arg_vector, original_decl_initial, inl_last_parm_insn,
22772 inl_max_label_num. Add many comments.
22773 Add accessor macros for all elts of struct function that no longer
22774 have a global variable.
22775 (cleanup_label, return_label, frame_offset, tail_recursion_label,
22776 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
22777 stack_slot_list): Delete declarations.
22778 (get_func_frame_size): Declare.
22779 (save_expr_status, restore_expr_status, save_emit_status,
22780 save_storage_status, restore_storage_status): Delete declarations.
22781 (init_virtual_regs): Declare.
22782 * output.h (current_function_pops_args,
22783 current_function_returns_struct, current_function_returns_pcc_struct,
22784 current_function_needs_context, current_function_calls_setjmp,
22785 current_function_calls_longjmp, current_function_calls_alloca,
22786 current_function_has_nonlocal_label, current_function_varargs,
22787 current_function_has_computed_jump, current_function_returns_pointer,
22788 current_function_contains_functions, current_function_args_size,
22789 current_function_pretend_args_size, current_function_stdarg,
22790 current_function_outgoing_args_size, current_function_args_info,
22791 current_function_name, current_function_return_rtx,
22792 current_function_epilogue_delay_list,
22793 current_function_uses_const_pool, current_function_cannot_inline):
22794 Delete declarations.
22795 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
22796 regno_reg_rtx): Delete declaration.
22797 (REGNO_POINTER_FLAG): Delete macro.
22798 * stmt.c (expand_goto): Changes to reflect that some fields in struct
22799 function were renamed.
22800 * stor-layout.c (save_storage_status, restore_storage_status): Delete
22802 * toplev.c: Include "function.h".
22803 (current_function_decl): Delete declaration.
22804 (compile_file): Call init_dummy_function_start and
22805 expand_dummy_function_end around some initializations that need to
22807 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
22808 Call init_function_for_compilation.
22809 * unroll.c: Include "function.h"
22810 (unroll_loop): Access regno_pointer_* variables through
22813 * tree.h (struct tree_decl): Add elt f to saved_insns member.
22814 (DECL_SAVED_INSNS): use it.
22815 (expand_dummy_function_end): Declare.
22816 (init_function_for_compilation): Declare.
22817 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
22818 that it's no longer an INLINE_HEADER.
22819 (expand_call): Likewise.
22820 * integrate.c (finish_inline): Delete function.
22821 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
22822 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
22823 args. Don't generate an INLINE_HEADER rtx, just return the arg
22824 vector. All callers changed.
22825 (save_for_inline_copying): Create a duplicate struct emit_status to
22826 hold the emit state for compiling the current function. Use this and
22827 the other new fields in struct function that are for integration
22828 instead of an INLINE_HEADER.
22829 Use memcpy instead of bcopy.
22830 Store the current struct function in DECL_SAVED_INSNS of fndecl.
22831 (save_for_inline_nocopy): Similar changes, except no new emit_status
22833 (expand_inline_function): Get information from function structure,
22834 not from an inline header rtx.
22835 (output_inline_function): Lose code to extract the necessary
22836 information from an inline header; simply put back the function
22837 structure into current_function. Clear its inlinable elt.
22838 * rtl.def (INLINE_HEADER): Delete.
22839 * rtl.h: Delete all accessors for an INLINE_HEADER.
22840 (gen_inline_header_rtx): Delete declaration.
22841 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
22842 Delete declarations.
22843 (REGNO_POINTER_ALIGN): Delete.
22844 (clear_emit_caches): Declare.
22845 (set_new_last_label_num): Declare.
22847 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
22849 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
22851 * except.c (expand_eh_region_start_for_decl): Always start a new block.
22852 * stmt.c (is_eh_region): Make sure current_function is present, too.
22854 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
22856 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
22857 for 64bit PA targets.
22859 * pa.h (SELECT_SECTION): Define.
22860 * som.h (SELECT_SECTION): Delete.
22862 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22864 * alias.c (init_alias_analysis): Wrap call to
22865 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
22867 1999-08-07 Bruce Korb <autogen@linuxbox.com>
22869 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
22870 <sys/asm.h> contains an asm comment with an apostrophe
22871 * fixinc/inclhack.sh: regen
22872 * fixinc/fixincl.x: regen
22874 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
22876 * function.c (init_function_start): Clear prologue & epilogue.
22877 (prologue_epilogue_contains): New function.
22878 * alias.c (init_alias_analysis): Use it.
22879 * rtl.h (prologue_epilogue_contains): Declare it.
22881 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
22883 * jump.c (onlyjump_p): New function.
22884 * rtl.h: Declare it.
22885 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
22886 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
22888 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
22890 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
22891 to invert loops. Simplify block scanning.
22893 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22895 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
22896 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
22898 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
22900 * config/sparc/liteelf.h: New file to support sparclite-elf target
22901 * config/sparc/t-sp86x: New file to support sparc86x targets
22902 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
22903 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
22904 * configure.in: Support above target triplets
22905 * configure: Regenerated
22907 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
22909 * fixinc/server.c (server_setup): Do not prefix function used as
22910 parameter with `&'.
22912 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
22914 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
22915 Remove fp reg alternatives.
22917 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
22919 * Makefiin (TAROUTOPTS): Kill.
22920 (install-headers-tar): Use "xpf" for tar headerfile extraction
22921 * i370/x-oe (TAROUTOPTS): Delete.
22922 * m68k/x-apollo68 (TAROUTOPTS): Delete.
22923 * m68k/x-hp320 (TAROUTOPTS): Delete.
22924 * m68k/x-hp320g (TAROUTOPTS): Delete.
22925 * gcc.texi: Update bug reporting text.
22927 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22929 * reg-stack.c (change_stack) Fixed problem with negative array index.
22931 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
22933 * extend.texi, install.texi: Fix spelling mistakes.
22935 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
22936 (s-attrtab); No longer try to use pre-made insn-attrtab file.
22937 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
22938 PREMADE_ATTRTAB_MD.
22939 * mips/t-ecoff: Likewise.
22940 * mips/t-elf: Likewise.
22941 * mips/t-mips: Likewise.
22942 * mips/t-osfrose: Likewise.
22943 * mips/t-r3900: Likewise.
22944 * mips/t-svr3: Likewise.
22945 * mips/t-svr4: Likewise.
22946 * mips/t-ultrix: Likewise.
22948 * gcc.texi: Document recommend means to provide software floating
22949 point libraries in libgcc.a
22951 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
22953 * c-lex.c (yylex): We can have a number with no digits.
22955 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
22957 * jump.c (delete_prior_computation): New function, broken
22958 out of delete_computation. Check for side effects with
22959 side_effects_p instead of FIND_REG_INC_NOTE. Handle
22960 multi-word hard registers.
22961 (delete_computation): Use it. Check for side effects with
22962 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
22963 missing REG_DEAD note for a register which is both set and
22966 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
22968 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
22969 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
22970 (ASM_FILE_START): Import _mcount with the right type.
22971 (ASM_DECLARE_FUNCTION_NAME): Define.
22972 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
22973 * pa.c (output_function_prologue): Always emit the function's label
22975 * pa.h (TEXT_SPACE_P): Define.
22976 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
22977 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
22978 * som.h (TEXT_SPACE_P): Delete.
22979 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
22980 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
22982 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
22984 * expr.c (emit_group_load): Allow src to be a CONCAT.
22986 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
22988 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
22989 (___mulsi3): Use '!' comment character.
22991 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22993 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
22995 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
22997 * gcc.c: Update URLs and mail addresses.
22998 * gcc.texi: Likewise.
23000 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23002 * rs6000.c (current_file_function_operand): Return zero for
23004 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23006 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23009 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23011 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23012 allocate space in the stack frame for the PIC register.
23014 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23016 * m68k.md (xordi3, anddi3): These patterns are not available on
23019 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23021 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23022 (PUT_REAL): Likewise.
23024 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23026 * final.c (shorten_branches): Don't add an alignment for loops
23027 that have no label inside.
23029 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23031 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23032 prototypes in macro HAVE_cmpstrsi.
23034 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23036 * emit-rtl.c (operand_subword): Remove unused variable
23039 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23041 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23043 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23045 * cpphash.c (macroexpand): Delete leading whitespace when arg
23046 is concatenated before.
23047 (unsafe_chars): Correct test for whether + and - can extend a
23050 * cppinit.c (cpp_start_read): Do dependencies for
23051 -include/-imacros files also.
23053 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23054 tokenizing non-directive lines.
23055 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23056 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23059 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23061 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23063 * c-lex.c: Sync with C++ frontend.
23064 (linemode): New variable.
23065 (parse_float): imag, conversion_errno, and type are output only.
23066 (yylex): Adjust. Move initial '.' case into main switch.
23068 (handle_generic_pragma): Just deal with tokens.
23069 (readescape): Use ISXDIGIT and ISGRAPH.
23070 * c-parse.in: Add END_OF_LINE token.
23072 * c-lex.c (lang_init): Generalize.
23073 (nextchar): Remove. Replace uses with UNGETC.
23074 (skip_white_space): Handle linemode here. Optimize for cpplib.
23075 (skip_white_space_on_line): Remove.
23076 (extend_token_buffer_to): New fn.
23077 (extend_token_buffer): Use it.
23078 (read_line_number, check_newline): Just deal with tokens.
23079 (token_getch, token_put_back): New fns.
23080 (yylex): Use them. More cpplib optimizations. Simplify.
23082 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23083 Jason Merrill <jason@yorick.cygnus.com>
23085 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23086 (consume_string): Make this smart about USE_CPPLIB.
23087 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23088 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23089 Also, clean up cases where we redundantly set token_buffer[0].
23090 (read_line_number): New fn.
23091 (ignore_escape_flag): New variable.
23093 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23095 * a29k/t-a29kbare: Fix some comments.
23096 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23097 (FPBIT, DPBIT): Define.
23098 * a29k/t-vx29k: Likewise.
23099 * arc/t-arc: Likewise.
23100 * arm/t-arm-elf: Likewise.
23101 * arm/t-bare: Likewise.
23102 * arm/t-pe: Likewise.
23103 * arm/t-pe-thumb: Likewise.
23104 * arm/t-semi: Likewise.
23105 * arm/t-thumb: Likewise.
23106 * arm/t-thumb-elf: Likewise.
23107 * arm/t-thumb-linux: Likewise.
23108 * h8300/t-h8300: Likewise.
23109 * i960/t-i960: Likewise.
23110 * i960/t-vxworks960: Likewise.
23111 * m32r/t-m32r: Likewise.
23112 * mips/t-ecoff: Likewise.
23113 * mips/t-elf: Likewise.
23114 * mips/t-r3900: Likewise.
23115 * pa/t-pro: Likewise.
23116 * rs6000/t-aix43: Likewise.
23117 * rs6000/t-beos: Likewise.
23118 * rs6000/t-newas: Likewise.
23119 * rs6000/t-ppccomm: Likewise.
23120 * rs6000/t-rs6000: Likewise.
23121 * rs6000/t-winnt: Likewise.
23122 * rs6000/t-xnewas: Likewise.
23123 * rs6000/t-xrs6000: Likewise.
23124 * sh/t-sh: Likewise.
23125 * sparc/t-elf: Likewise.
23126 * sparc/t-sparcbare: Likewise.
23127 * sparc/t-sparclite: Likewise.
23128 * sparc/t-splet: Likewise.
23129 * v850/t-v850: Likewise.
23130 * mn10200/t-mn10200: Fix comments.
23131 * mn10300/t-mn10300: Likewise.
23133 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23134 dummy operand. Allocate a new pseudo for the dummy operand.
23135 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23137 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23139 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
23141 * configure: Rebuilt.
23142 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
23144 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
23146 * recog.c (preproces_constraints): Zero recog_op_alt before
23147 processing the constraints.
23149 * arm.c (typedef minipool_node): Renamed from pool_node.
23150 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
23151 (add_minipool_constant): New function.
23152 (dump_minipool): New function.
23153 (find_barrier): Remove special case for getting the insn size of
23154 an insn that references the constant pool.
23155 (minipool_fixup): New structure.
23156 (push_minipool_barrier): New function.
23157 (push_minipool_fix): New function.
23158 (note_invalid_constants): New function.
23159 (add_pool_constant, dump_table, fixit, broken_move): Delete.
23160 (arm_reorg): Rewrite code to fix up the constant pool into a
23161 series of mini-pools embedded in the insn stream.
23162 (arm_output_epilogue): New function, made mainly from the body
23163 of output_func_epilogue.
23164 (output_func_epilogue): Move insn generation part of epilogue code
23165 to arm_output_epilogue.
23166 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
23167 * arm.md (pool_range): New attribute.
23168 (zero_extendqidi2): Add attribute pool_range.
23169 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
23170 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
23171 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
23172 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
23173 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
23174 (epilogue): New expand.
23175 (epilogue_insn): New insn. Call arm_output_epilogue.
23177 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
23178 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
23180 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23182 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23184 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
23186 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
23188 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
23190 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
23192 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
23194 * global.c: Fix comment.
23196 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
23198 * gcc.c (access_check): New static function.
23199 (find_a_file): Use it when searching a directory list.
23200 * collect2.c (find_a_file): Don't accept directories found when
23201 searching a directory list.
23203 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
23205 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
23206 function parameters with `&'.
23207 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
23209 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
23211 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
23212 or tidy_fallthru_edge if the last insn in the block is not
23213 an unconditional jump or a simple conditional jump.
23215 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23217 * Makefile.in (c-decl.o): Depends on defaults.h.
23219 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
23221 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
23223 (CLASS_MAX_NREGS): Likewise.
23225 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
23227 * cse.c (cse_insn): Fix dumb thinko in last change.
23229 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23231 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
23234 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
23236 * dwarf2out.c (add_location_or_const_value_attribute): Correct
23237 test for sizes of passed and declared parameter types.
23239 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23241 * fixincludes: Fix the return type of bsearch, char* -> void*.
23243 * fixinc/inclhack.def: Likewise.
23245 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
23247 * invoke.texi (-fdump-translation-unit): New option.
23249 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
23251 * expr.h (PROMOTE_PROTOTYPES): Move ...
23252 * defaults.h: ... to here.
23253 * c-decl.c: Include defaults.h instead of expr.h.
23254 * c-typeck.c: Include defaults.h.
23256 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
23258 * toplev.h (errorcount): Declare.
23259 (warningcount): Likewise.
23260 (sorrycount): Likewise.
23261 * c-lex.c (errorcount): Don't declare.
23262 * dwarf2out.c (errorcount): Don't declare.
23264 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
23266 * config/libgloss.h: Add a note discouraging use with ELF.
23267 * configure.in: Don't use libgloss.h for ELF targets.
23268 Always use_collect2 on a.out targets.
23270 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
23272 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
23273 (force_to_mode, case ASHIFTRT): Add shiftrt label.
23275 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23277 * loop.c (strength_reduce): When doing biv->giv conversion, update
23278 reg note of NEXT->insn.
23280 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23282 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
23284 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23286 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
23287 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
23288 Ensure expr.h is included.
23289 * c-typecheck.c (convert_arguments): Ditto.
23291 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
23293 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
23294 * config/convex/convex.h: Ditto.
23295 * config/dsp16xx/dsp16xx.h: Ditto.
23296 * config/fx80/fx80.h: Ditto.
23297 * config/gmicro/gmicro.h: Ditto.
23298 * config/i370/i370.h: Ditto.
23299 * config/i386/i386.h: Ditto.
23300 * config/m32r/m32r.h: Ditto.
23301 * config/m68k/m68k.h: Ditto.
23302 * config/m88k/m88k.h: Ditto.
23303 * config/mips/mips.h: Ditto.
23304 * config/pa/pa.h: Ditto.
23305 * config/pyr/pyr.h: Ditto.
23306 * config/tahoe/tahoe.h: Ditto.
23307 * config/we32k/we32k.h: Ditto.
23309 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
23310 based on arch size.
23312 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
23314 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
23317 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
23319 1999-08-02 Richard Henderson <rth@cygnus.com>
23321 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
23322 for the register spill block.
23323 (m32r_va_arg): New.
23324 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
23325 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
23327 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
23328 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
23329 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
23331 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23333 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
23334 MAX_WCHAR_TYPE defined in sparc.h.
23335 * config/sparc/linuxaout.h: Likewise.
23336 * config/sparc/linux64.h: Likewise.
23337 Also default to -mvis if CPU is UltraSPARC.
23339 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23341 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
23342 (RTX_OK_FOR_OLO10): Likewise.
23343 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
23344 %lo(), allow it in addresses...
23345 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
23346 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
23347 does not make sense.
23348 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
23349 (sparc_output_scratch_registers): New function.
23350 (output_function_prologue, sparc_flat_output_function_prologue): Use
23352 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
23354 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
23355 * configure.in: Add check for .register pseudo-op support in as and
23356 check for offsetable %lo().
23357 * acconfig.h: Add templates for the above checks.
23358 * configure: Regenerate.
23360 1999-08-02 Richard Henderson <rth@cygnus.com>
23362 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
23363 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
23364 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
23366 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23368 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
23371 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
23373 * config/float-sparc.h: New file.
23374 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
23375 sparc-*-linux-gnu and sparc64-*-linux*.
23377 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23379 * rs6000.c (rs6000_va_list): Type is an array.
23380 (rs6000_va_start): Don't doubly adjust for varargs.
23381 (rs6000_va_arg): Evaluate long long GPR adjustment.
23383 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
23385 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
23386 -maix64 and -maix32.
23387 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
23388 LINK_SPEC): Change appropriately.
23389 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
23390 (u_short_cint_operand): Likewise.
23391 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
23393 * rs6000/t-aix43 (MULTILIB): Change to -m64.
23395 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
23397 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
23399 * rs6000/rs6000.c (num_insns_constant_wide): Correct
23400 for type promotion.
23401 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
23402 (non_add_cint_operand): Likewise.
23403 (logical_operand): Likewise.
23404 (non_logical_cint_operand): Likewise.
23405 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
23406 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
23407 (rs6000_select_rtx_section): Suppress warning.
23408 (small_data_operand): Suppress warning.
23409 (rs6000_got_register): Suppress warning.
23410 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
23411 type, so `J' is generally the wrong constraint for a SImode value;
23413 (andsi3_internal2): Likewise.
23414 (andsi3_internal3): Likewise.
23415 (iorsi3_internal1): Likewise.
23416 (xorsi3_internal1): Likewise.
23418 (movsf_softfloat): Likewise.
23419 (scc insns): Likewise.
23420 (movsi+2): Preserve sign bits of SImode constant.
23421 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
23422 (movdf+1): Sign-extend properly.
23423 (movdi_32+1): Sign-extend properly.
23424 (scc insns): Sign-extend properly.
23426 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
23429 1999-08-02 Richard Henderson <rth@cygnus.com>
23431 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
23432 -mcpu parsing code.
23433 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
23434 * alpha.md (all fp insns): Likewise.
23436 1999-08-02 Nick Clifton <nickc@cygnus.com>
23438 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
23441 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
23443 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
23444 pic_load_label generator directly.
23445 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
23446 No longer a named pattern.
23448 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
23450 * explow.c (force_reg): Call force_operand if X does not
23451 satisfy general_operand.
23453 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
23455 * fix-header.c (main): When testing for CONTINUED, use string
23456 equality, not pointer equality.
23458 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
23460 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
23462 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
23464 * cse.c (cse_insn): Fix loop which deletes insns after a jump
23465 that has become an unconditional jump.
23467 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
23468 (output_function_epilogue): Similarly.
23470 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23472 * tree.h (init_dummy_function_start): Declare.
23474 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23476 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
23477 last_expr_type, last_expr_value, block_start_count, block_stack,
23478 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
23479 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
23480 dynamically in stmt elt of struct function for each function.
23481 (struct nesting): Rename function_call_count elt to n_function_calls,
23482 target_temp_slot_level to block_target_temp_slot_level. All users
23484 (struct stmt_status): New structure definition.
23485 Add many accessor macros for stmt_status elements which previously
23486 were global variables.
23487 (init_stmt_for_function): Allocate stmt elt for current_function.
23488 Reflect that block_start_count was renamed to
23489 current_block_start_count.
23490 (save_stmt_status, restore_stmt_status): Delete functions.
23491 (preserve_subexpressions_p): Don't access loop_stack when outside
23493 (expand_start_bindings): Reflect that block_start_count was renamed to
23494 current_block_start_count.
23495 (expand_fixup): Likewise.
23496 (expand_decl): Don't access block_stack when outside a function.
23497 (expand_decl_cleanup): Likewise.
23498 (expand_dcc_cleanup): Likewise.
23499 (expand_dhc_cleanup): Likewise.
23500 (expand_anon_union_decl): Likewise.
23501 (set_file_and_line_for_stmt): New function.
23502 (in_control_zone_p): New function.
23504 * function.h (struct function): Add new elt stmt.
23505 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
23506 case_stack, nesting_stack, nesting_depth, block_start_count,
23507 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
23508 emit_lineno, goto_fixup_chain.
23509 (save_eh_status, restore_eh_status, save_stmt_status,
23510 restore_stmt_status): Delete declarations.
23511 * function.c (push_function_context_to): Don't call save_stmt_status.
23512 (pop_function_context_to): Don't call restore_stmt_status.
23513 * tree.h (in_control_zone_p): Declare.
23514 * rtl.h (set_file_and_line_for_stmt): Declare.
23516 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
23517 call set_file_and_line_for_stmt.
23519 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
23521 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
23522 Also update copyright.
23524 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23526 * c-pragma.c: Don't include "except.h".
23527 * emit-rtl.c: Likewise.
23528 * stor-layout.c: Likewise.
23529 * tree.c: Likewise.
23530 * varasm.c: Likewise.
23532 * flow.c: Include "function.h".
23533 * tree.h (init_dummy_function_start): Declare new function.
23535 * except.h (struct eh_status): New structure.
23536 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
23538 (eh_return_stub_label, ehstack, catchstack, ehqueue,
23539 catch_clauses, false_label_stack, caught_return_label_stack,
23540 protect_list, current_function_ehc): Add accessor macros for the
23541 corresponding fields in current_function->eh; delete declarations
23542 for all items that used to be declared here.
23543 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
23544 catch_clauses, false_label_stack, caught_return_label_stack,
23545 protect_list, current_function_ehc): Delete variables.
23546 (init_eh_for_function): Allocate current_function->eh.
23547 (save_eh_status, restore_eh_status): Delete functions.
23549 * function.h (struct function): Add fields next_global and eh.
23550 Delete all exception handling related fields.
23551 * function.c (current_function): New variable.
23552 (all_functions): New variable.
23553 (push_function_context_to): Don't allocate a struct function,
23554 use current_function instead. Call init_dummy_function_start when
23555 outside a function. Clear current_function before returning.
23556 (pop_function_context_from): Restore current_function.
23557 Don't free the restored struct function.
23558 (prepare_function_start): New function.
23559 (init_dummy_function_start): New function.
23560 (init_function_start): Break out some code into prepare_function_start
23563 * stmt.c (save_stmt_status): Don't call save_eh_status.
23564 (restore_stmt_status): Don't call restore_eh_status.
23566 * Makefile.in: Update dependencies.
23568 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
23570 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
23571 of depending on a magic constant value. Update comments.
23572 (hppa_expand_prologue): Similarly.
23574 * pa.md (reload_indi, reload_outdi): Allow any register for the
23575 original reload register.
23577 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
23579 * cccp.c (print_help): Change marcos to macros.
23581 1999-07-30 Richard Henderson <rth@cygnus.com>
23583 * c-typeck.c (initializer_constant_valid_p): Move ...
23584 * c-common.c (initializer_constant_valid_p): ... here. Use
23585 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
23586 of label addresses.
23587 * c-common.h (initializer_constant_valid_p): Declare.
23588 * c-tree.h (initializer_constant_valid_p): Remove.
23590 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
23592 * config/i386/sol2-c1.asm: Align the stack.
23593 * config/i386/sol2-gc1.asm: Likewise.
23595 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
23597 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
23598 -Asparclite for sparc86x.
23599 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
23601 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
23603 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
23605 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
23606 the user if using the non-default arch size in BI_ARCH configuration.
23607 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
23609 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
23610 Fix patterns so that they actually match.
23611 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
23612 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
23613 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
23615 (mulsidi3): Reflect this in the expand.
23616 (smulsi3_highpart): Only on TARGET_ARCH32.
23617 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
23618 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
23619 (umulsidi3): Reflect this in the expand.
23620 (umulsi3_highpart): Only on TARGET_ARCH32.
23621 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
23622 don't require g0 to be zero.
23623 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
23624 ({,u}divsi3): New expands.
23625 ({,u}divsi3_sp64): New patterns.
23626 (after lshrdi3_v8plus): Four new patterns to help combiner
23627 optimizing nested mixed mode shifts.
23629 * config/sparc/sparc.c (sparc_override_options): Use deprecated
23630 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
23631 speed things up. Don't use them by default on plain v9 in 64bit
23632 mode, according to what SPAMv9 sais.
23634 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
23635 top 32 bits of %[og][0-7] in signal handlers.
23636 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
23638 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
23640 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
23641 (ashlsi3): Corresponding changes.
23643 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
23645 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
23647 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
23649 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23651 * arm.h (Hint): Delete macro.
23652 Substitute HOST_WIDE_INT for Hint in some prototypes.
23653 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
23655 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
23657 * builtins.c (expand_builtin_setjmp): Use force_operand to
23658 make sure that the buffer address is in a suitable form to be
23659 passed to force_reg.
23661 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
23663 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
23666 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
23668 * pa.md (indirect_jump): Remove mode from match_operand. Verify
23669 proper mode in the condition string.
23670 (icacheflush, dcacheflush): Remove modes from match_operands.
23672 * pa.c (emit_move_sequence): Always convert scratch_reg to the
23673 proper mode before using it.
23675 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
23678 * pa.c (store_reg): Do not call add_high_const generator directly.
23679 (load_reg, set_reg_plus_d): Likewise.
23680 * pa.md (add_high_const): No longer a named pattern.
23682 * pa.c (legitimize_address): Consistently use Pmode rather than
23683 SImode. Do not call gen_pic2_highpart directly anymore.
23684 * pa.md (pic2_highpart): No longer a named pattern.
23685 (pic2_lo_sum): Similarly. Reformat to make more readable.
23687 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
23692 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
23694 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
23696 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
23698 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
23699 and tag the spill mems.
23700 (hppa_va_start): New.
23701 (hppa_va_arg): New.
23702 * pa.h (EXPAND_BUILTIN_VA_START): New.
23703 (EXPAND_BUILTIN_VA_ARG): New.
23705 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
23707 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
23708 and tag the spill mems.
23709 (mn10300_va_start): New.
23710 (mn10300_va_arg): New.
23711 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
23712 (EXPAND_BUILTIN_VA_ARG): New.
23714 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
23716 * mn10200.c (mn10200_va_arg): New.
23717 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
23719 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
23721 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
23722 rather than play with TREE_INT_CST_LOW.
23724 1999-07-27 Philip Blundell <pb@nexus.co.uk>
23726 * config/arm/telf.h: Include dbxelf.h.
23727 (CPP_PREDEFINES): Only define if not already defined.
23728 (ASM_IDENTIFY_GCC): Likewise.
23729 (SUBTARGET_EXTRA_SECTIONS): Likewise.
23730 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
23731 * config/arm/thumb.h (LINK_SPEC): Only define if not already
23733 (DBX_DEBUGGING_INFO): Don't define.
23734 * config/arm/linux-telf.h: New file.
23735 * config/arm/linux-tgas.h: New file.
23736 * config/arm/t-thumb-linux: New file.
23737 * config/arm/uclinux-elf.h: New file.
23738 * config/arm/uclinux-telf.h: New file.
23739 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
23740 thumb-*-uclinux): New targets.
23741 * configure: Regenerate.
23743 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
23745 * pa.md (post_store, pre_load): New expanders.
23746 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
23747 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
23748 need to directly generate RTL for them.
23749 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
23752 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
23754 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
23755 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
23756 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
23757 (secndary_reload_class): Make TARGET_ELF conditional compile.
23758 (print_operand_address): Similar.
23759 (output_toc): Print all values as hex.
23760 (get_issue_rate): Rearrange and add RS64A and PPC630.
23761 * rs6000.h (processor_type): Add RS64A and PPC630.
23762 (PROCESSOR_POWERPC64): New.
23763 (PROMOTE_MODE): Use word_mode.
23764 (RTX_COSTS): Add RS64A and PPC630.
23765 * rs6000.md (scheduling information): Add lmul and ldiv
23766 representing 64-bit integer multiply and divide. Add rs64a and
23767 PPC630 information.
23768 (ashldi3): Add support for "rldic" instruction.
23769 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
23771 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
23773 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
23774 instead of V8 for sparclite86x in cpu_table.
23776 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23778 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
23779 output_file_directive.
23781 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
23783 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
23784 tree for op1, not the rtl.
23786 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
23788 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
23789 to m88k_va_start, leaving only the register spill.
23790 (m88k_build_va_list): New.
23791 (m88k_va_start): New.
23792 (m88k_va_arg): New.
23793 * m88k.h (BUILD_VA_LIST_TYPE): New.
23794 (EXPAND_BUILTIN_VA_START): New.
23795 (EXPAND_BUILTIN_VA_ARG): New.
23797 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
23799 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
23800 Rename from expand_builtin_saveregs.
23801 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
23803 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
23805 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
23806 for the register spill block.
23807 (i960_build_va_list): New.
23808 (i960_va_start): New.
23809 (i960_va_arg): New.
23810 * i960.h (BUILD_VA_LIST_TYPE): New.
23811 (EXPAND_BUILTIN_VA_START): New.
23812 (EXPAND_BUILTIN_VA_ARG): New.
23813 * i960.md (store_multiple): Use change_address on individul mems.
23815 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
23817 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
23819 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
23820 (expand_builtin_va_end): Evaluate arg for side effects.
23821 * c-common.c (c_common_nodes_and_builtins): Construct a
23822 va_list_arg_type_node to handle array decomposition to pointer.
23824 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
23826 * except.c (st_dynamic_cleanup): Use force_operand on the
23829 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
23831 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
23832 * c4x.c (c4x_va_arg): New.
23834 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
23836 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
23837 has manual_pop set.
23839 1999-07-26 Nathan Sidwell <nathan@acm.org>
23841 * eh-common.h (__eh_matcher): Prototype correctly.
23843 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
23845 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
23846 (TARGET_SINGLE_PIC_BASE): Likewise.
23847 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
23849 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
23850 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
23851 (TARGET_OPTIONS): Add -mpic-register=N.
23852 (OUTPUT_INT_ADDR_CONST): New macro.
23853 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
23854 LEGITIMATE_PIC_OPERAND_P): Likewise.
23855 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
23856 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
23857 output_addr_const directly.
23858 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
23860 (thumb_pic_register, thumb_pic_register_string): Declare.
23862 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
23864 (label_mentioned_p): New function: Imported from arm.c.
23865 (legitimize_pic_address): New function: Imported from arm.c.
23866 (is_pic):New function: Imported from arm.c.
23867 (thumb_finalize_pic):New function: Imported from arm.c.
23868 (add_constant): Cope with PIC constants.
23869 (fixit): Cope with PIC constants.
23870 (output_return): Do not treat the PIC register as live if
23871 TARGET_SINGLE_PIC_BASE is true.
23872 (thumb_function_prologue): Do not treat the PIC register as live if
23873 TARGET_SINGLE_PIC_BASE is true.
23874 (thumb_expand_prologue): Do not treat the PIC register as live if
23875 TARGET_SINGLE_PIC_BASE is true.
23876 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
23877 TARGET_SINGLE_PIC_BASE is true.
23878 (thumb_print_operand): Accept '|'.
23879 (thumb_override_options): Process PIC options.
23881 * config/arm/thumb.md (movsi): Support PIC.
23882 (call_insn): Change "i" constraint to "X".
23883 (call_value_insn): Likewise.
23884 (consttable_4, consttable_8, consttable_end): Set and clear
23885 "making_const_table" as appropriate.
23886 (pic_load_addr, pic_add_dot_plus_four): New insns.
23888 * invoke.texi (Thumb Options): Fix spelling. Document new
23889 options -msingle-pic-base and -mpic-register=.
23891 1999-07-26 Andrew Haley <aph@cygnus.com>
23893 * config/m32r/initfini.c (__init): Use a full word immediate for
23894 __fini: this allows it to be placed in any memory region.
23896 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
23897 -mmodel=medium. This is OK for all memory models.
23899 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
23901 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
23902 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
23904 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
23906 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
23909 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
23911 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
23913 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
23914 (BUILD_VA_LIST_TYPE): New.
23915 (EXPAND_BUILTIN_VA_START): New.
23916 (EXPAND_BUILTIN_VA_ARG): New.
23917 * i860.c (output_delayed_branch): Disable.
23918 (output_delay_insn): Likewise.
23919 (i860_saveregs): New.
23920 (i860_build_va_list): New.
23921 (i860_va_start): New.
23922 (i860_va_arg): New.
23923 * i860.md: Disable all peepholes using output_delayed_branch.
23924 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
23926 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
23928 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
23929 (BUILD_VA_LIST_TYPE): New.
23930 (EXPAND_BUILTIN_VA_START): New.
23931 (EXPAND_BUILTIN_VA_ARG): New.
23932 * clipper.c (clipper_builtin_saveregs): Only dump registers.
23933 Return the address of the save area.
23934 (clipper_build_va_list): New.
23935 (clipper_va_start): New.
23936 (clipper_va_arg): New.
23938 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
23940 * arc.h (EXPAND_BUILTIN_VA_START): New.
23941 (EXPAND_BUILTIN_VA_ARG): New.
23942 * arc.c (arc_setup_incoming_varargs): Set alias set of
23944 (arc_va_start): New.
23947 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
23949 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
23950 (BUILD_VA_LIST_TYPE): New.
23951 (EXPAND_BUILTIN_VA_START): New.
23952 (EXPAND_BUILTIN_VA_ARG): New.
23953 * alpha.c (alpha_builtin_saveregs): Delete.
23954 (alpha_build_va_list): New.
23955 (alpha_va_start): New.
23956 (alpha_va_arg): New.
23958 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
23960 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
23962 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
23963 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
23965 * gcc.texi: More changes related to list conversion.
23966 * invoke.texi: Likewise.
23968 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
23970 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
23971 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
23972 (expand_builtin_next_arg): Accept ARGLIST not EXP.
23973 (stabilize_va_list): New function.
23974 (std_expand_builtin_va_start): New function.
23975 (expand_builtin_va_start): New function.
23976 (get_varargs_alias_set): New function.
23977 (std_expand_builtin_va_arg): New function.
23978 (expand_builtin_va_arg): New function.
23979 (expand_builtin_va_end): New function.
23980 (expand_builtin_va_copy): New function.
23981 (expand_builtin): Call them.
23982 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
23983 __builtin_{varargs_start,stdarg_start,end,copy}.
23984 (build_va_arg): New function.
23985 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
23986 (build_va_arg): Declare.
23987 * c-decl.c (ptr_type_node, va_list_type_node): New.
23988 * c-parse.gperf (__builtin_va_arg): New.
23989 * c-parse.in (VA_ARG): New token.
23990 (unary_expr): Recognize it.
23991 * expr.c (expand_expr): Expand VA_ARG_EXPR.
23992 * expr.h (std_expand_builtin_va_start): Declare.
23993 (std_expand_builtin_va_arg): Declare.
23994 (expand_builtin_va_arg): Declare.
23995 (get_varargs_alias_set): Declare.
23996 * tree.def (VA_ARG_EXPR): New.
23997 * tree.h (BUILT_IN_VARARGS_START): New.
23998 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
23999 (ptr_type_node, va_list_type_node): Declare.
24000 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24001 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24002 * m88k.h, m88k.c: Likewise.
24003 * mn10300.h, mn10300.c: Likewise.
24004 * pa.h, pa.c: Likewise.
24005 * rs6000.h, rs6000.c: Likewise.
24006 * sh.h, sh.c: Likewise.
24007 * sparc.h, sparc.c: Likewise.
24009 * emit-rtl.c (operand_subword): Copy alias set.
24010 (change_address): Likewise.
24012 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24014 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24015 not just the first one.
24017 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24019 * config/arm/arm.h (TARGET_SWITCHES): Add
24020 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24021 (TARGET_OPTIONS): Add -mpic-register=.
24022 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24023 (arm_pic_register_string): Declare.
24024 (NEED_PLT_GOT): Delete, replace with ...
24025 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24026 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24027 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24028 * config/arm/arm.c (arm_override_options): Add new option
24030 (arm_pic_register_string): New variable.
24031 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24032 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24033 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24034 (output_return_instruction): Likewise.
24035 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24036 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24037 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24039 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24040 mention of -msched-prolog. Document new options -msingle-pic-base
24041 and -mpic-register=.
24043 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24045 * haifa-sched.c (reemit_notes): Tidy.
24046 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24049 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24051 * explow.c (trunc_int_for_mode): New function.
24052 (plus_constant_wide): Use it.
24053 * combine.c (simplify_and_const_int): Likewise.
24054 (merge_outer_ops): Likewise.
24055 (simplify_shift_const): Likewise.
24056 * cse.c (simplify_unary_operation): Likewise.
24057 (simplify_binary_operation): Likewise.
24058 * emit-rtl.c (operand_subword): Likewise.
24059 * rtl.h: Declare it.
24061 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24063 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24064 (use NUM_REGS instead of NUM_INTS).
24066 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24068 * builtins.c: New file.
24069 * expr.c (saveregs_value, apply_args_value): Delete definition,
24070 moved into builtins.c.
24071 (string_constant): No longer static.
24072 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24073 apply_args_size, apply_result_size, result_vector,
24074 expand_builtin_apply_args, expand_builtin_apply,
24075 expand_builtin_return): Delete functions, moved into builtins.c.
24076 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24077 * expr.h (saveregs_value, apply_args_value): Declare variables.
24078 (expand_builtin, string_constant): Declare functions.
24079 * Makefile.in: Update to build builtin.o.
24081 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24083 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24084 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24085 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24086 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24088 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24091 1999-07-21 Michael Meissner <meissner@cygnus.com>
24093 * print-rtl.c (print_rtx): Print the names of the virtual
24096 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24098 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24099 introduced in previous delta.
24101 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24103 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24104 to avoid name clash.
24106 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24108 * c-lex.c (yylex) : Correct the test for overflow when lexing
24111 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24113 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24114 (adjust_priority): Always call ADJUST_PRIORITY.
24115 (schedule_insn): Only put insns into the ready at cost 0.
24116 (schedule_block): Remove redundant initial sort. Give clock_var
24117 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24119 * tm.texi (MD_SCHED_REORDER): Update docs.
24121 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24122 * sparc.c (ultra_reorder_called_this_block): Delete.
24123 (ultrasparc_sched_init): Don't set it.
24124 (ultrasparc_sched_reorder): Don't check it.
24126 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24128 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24129 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24130 (function_arg_boundary): Align DFmode.
24131 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24132 to get fp reg and stack overflow correct.
24133 (function_arg): Likewise.
24134 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24135 (setup_incoming_varargs): Restructure for ABI_V4; use
24136 function_arg_advance to skip final named argument.
24137 (expand_builtin_saveregs): Properly unskip the last integer arg
24138 when doing varargs. Adjust overflow location calculation.
24140 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
24141 explicitly unsigned.
24142 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
24143 (__VA_GP_REGSAVE): Similarly.
24144 (__va_longlong_p): Delete.
24145 (__va_arg_type_violation): New declaration.
24146 (va_arg): Restructure. Flag promotion errors. Align double.
24147 TFmode passed by reference.
24149 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
24150 in the HOST_BITS_PER_WIDE_INT > 32 case.
24152 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
24154 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
24156 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
24158 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
24159 * toplev.c (documented_lang_options): Add -fpreprocessed.
24160 * cpplib.h (struct cpp_buffer): Add preprocessed.
24161 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
24162 (cpp_start_read): Don't expand macros or emit an initial #line
24163 directive if -fpreprocessed.
24165 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
24167 * cpplib.h (struct cpp_buffer): Added manual_pop for
24168 better C++ tokenization.
24169 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
24170 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
24171 * c-common.c (cpp_token): Make non-static.
24173 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24175 * c-common.h: New file.
24176 * c-common.c (permanent_obstack): Delete unused declaration.
24177 (c_global_trees): New array.
24178 (c_common_nodes_and_builtins): New function; split off common code
24179 from init_decl_processing in both c-decl.c and cp/decl.c.
24180 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
24181 c_global_trees and accessor macros defined in c-common.h.
24182 Include c-common.h.
24183 * c-decl.c: Delete definitions for tree nodes that were replaced by
24185 (init_decl_processing): Build void_list_node.
24186 Call c_common_nodes_and_builtins; delete code to generate the common
24188 * objc/objc-act.c (build_module_descriptor): Rename variable
24189 void_list_node to avoid clash with c-common.h.
24191 * Makefile.in: Update dependencies.
24192 * objc/Make-lang.in: Likewise.
24194 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
24196 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
24197 (UNIQUE_SECTION_P): Likewise.
24198 (UNIQUE_SECTION): Likewise.
24200 1999-07-19 Linas Vepstas <linas@linas.org>
24202 * config/i370/README: New file.
24203 * config/i370/linux.h: New file.
24204 * config/i370/mvs.h: New file.
24205 * config/i370/oe.h: New file.
24206 * config/i370/t-linux: New file.
24207 * config/i370/t-mvs: New file.
24208 * config/i370/t-oe: New file.
24209 * config/i370/x-oe: New file.
24210 * config/i370/xm-linux.h: New file.
24211 * config/i370/xm-mvs.h: New file.
24212 * config/i370/xm-oe.h: New file.
24214 * i370.c (label_node_t): Add first_ref_page, label_addr,
24215 label_first_ref, label_last_ref members.
24216 (mvs_need_base_reload): Renamed from mvs_label_emitted.
24217 (MAX_MVS_LABEL_SIZE): Define.
24218 (MAX_LONG_LABEL_SIZE): Define.
24219 (alias_node_t, alias_anchor, alias_number): New.
24220 (mvs_function_table): Reorder for EBCDIC.
24221 (ascebc, ebcasc): Unconditionally define.
24222 (i370_branch_dest, i370_branch_length): New functions.
24223 (i370_short_branch, i370_label_scan): New functions.
24224 (mvs_get_label): Renamed from mvs_add_label. Search for
24225 an existing label before creating a new one.
24226 (mvs_add_label): New function.
24227 (mvs_get_label_page): New function.
24228 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
24229 over the entire list.
24230 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
24231 (mvs_check_page) [TARGET_ELF_ABI]: New function.
24232 (mvs_add_alias, mvs_need_alias): New functions.
24233 (mvs_get_alias, mvs_check_alias): New functions.
24234 (handle_pragma): New function.
24235 (mvs_function_check): New function.
24236 (unsigned_jump_follows_p): Search harder.
24237 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
24238 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
24239 * i370.h (TARGET_VERSION): Delete.
24240 (CPP_SPEC, CPP_PREDEFINES): Delete.
24241 (mvs_label_emitted): Delete.
24242 (TARGET_EBCDIC): Delete.
24243 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
24244 (HANDLE_PRAGMA): Define.
24245 (HARD_REGNO_NREGS): Handle complex modes.
24246 (HARD_REGNO_MODE_OK): Likewise.
24247 (CLASS_MAX_NREGS): Likewise.
24248 (RET_REG): Likewise.
24249 (EXTRA_CONSTRAINT): Define.
24250 (RETURN_IN_MEMORY): True for DImode.
24251 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
24252 (FUNCTION_PROFILER): Delete.
24253 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
24254 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
24255 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
24256 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
24257 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
24258 (ASM_FILE_START): Add "RMODE ANY".
24259 (ASM_OUTPUT_EXTERNAL): Check for aliases.
24260 (ASM_GLOBALIZE_LABEL): Likewise.
24261 (ASM_OUTPUT_LABELREF): Likewise.
24262 (ASM_OUTPUT_COMMON): Likewise.
24263 (PRINT_OPERAND): Handle 'K', 'W', default.
24264 (PRINT_OPERAND_ADDRESS): New.
24265 (Lots of defines): Add support for TARGET_ELF_ABI.
24266 * i370.md (attr length): New. Define for all patterns.
24267 (*): Lots of tweeks to assembly output and constraints.
24269 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
24271 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
24272 Disable patterns performing SImode comparisons with SImode values
24273 if TARGET_POWERPC64 and instruction does not sign-extend or does
24274 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
24275 differ for signed quantities.
24276 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
24277 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
24278 (decrement_and_branch_on_count): Add 64-bit variant.
24280 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24282 * final.c (output_asm_insn): When searching for the matching string
24283 for a given dialect, don't run past the end of the list of
24284 alternatives if there are fewer alternatives in the template than
24287 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
24289 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
24290 Removed paragraph about compression of files and size limitation,
24291 duplicated in the FAQ. Use gcc-patches for posting patches.
24292 * gcc.c (main): Updated URL with bug reporting instructions to
24293 gcc.gnu.org. Removed e-mail address.
24294 * system.h (abort): Likewise.
24296 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24298 * Makefile.in (stmp-multilib-sub): Make the files extracted
24299 from $(LIBGCC1) writable.
24301 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
24303 * config/arm/aout.h: Reformat for improved readability.
24305 * config/arm/arm.h: Reformat for improved readability.
24306 Replace uses of fprintf with asm_fprintf where appropriate.
24307 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
24308 function declaration assembler actions.
24309 (NUM_INTS): New macro: Convert from bytes to words.
24310 (NUM_REGS): New macro: Compute number of registers required to
24311 hold a quanitity of tyep MODE.
24312 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
24314 (NUM_ARG_REGS): New macro: The number of argument registers
24316 (ARG_REGISTER): New macro: Compute the register number of the Nth
24318 (LAST_ARG_REGNUM): New macro: The number of the last argument
24320 (SP_REGNUM): New macro: Register number of the stack pointer.
24321 (FP_REGNUM): New macro: Register number of the frame pointer.
24322 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
24323 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
24324 CUMULATIVE_ARGS so that it counts registers not bytes.
24326 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
24328 Replace uses of fprintf with asm_fprintf where appropriate.
24329 (output_ascii_pseudo_op): Replace with version from thumb.c
24331 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
24333 * config/arm/elf.h (CPP_PREDEFINES): Replace with
24334 SUBTARGET_CPP_SPEC.
24335 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
24336 (ASM_FILE_START): Emit ASM_APP_OFF.
24338 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
24340 * pa.c (compute_frame_size): Round frame according to
24341 STACK_BOUNDARY rather than a hardwired value.
24343 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
24345 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
24347 * configure: Rebuilt.
24349 * configure.in (hppa*-*-linux*): New configuration.
24350 * configure: Rebuilt.
24351 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
24352 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
24353 * pa/pa-linux.h: New file.
24354 * pa/t-linux: New file.
24355 * pa/xm-linux.h: New file.
24357 * pa.c (hppa_legitimize_address): Change references from SImode to
24358 either Pmode or word_mode as appropriate.
24359 (emit_move_sequence, store_reg, load_reg): Likewise.
24360 (set_reg_plus_d, hppa_expand_prologue): Likewise.
24361 (output_mul_insn): Likewise.
24362 * pa.h (PROMOTE_MODE): Likewise.
24363 (INITIALZE_TRAMPOLINE): Likewise.
24364 (Pmode): Define to word_mode.
24366 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
24367 value of 4. Allocate 8 bytes for each FP register save.
24368 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
24370 (hppa_expand_prologue): Likewise.
24371 * pa.h (PROMOTE_MODE): Likewise.
24372 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
24373 (FUNCTION_ARG_BOUNDARY): Likewise.
24375 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
24377 * pa.c (out_of_line_prologue_epilogue): Delete.
24378 (override_options): Remove -mspace related code.
24379 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
24380 (compute_frame_size): Only allocate space for register that
24381 actually need to be saved.
24382 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
24383 (TARGET_SWITCHES): Remove -mspace, -mno-space
24384 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
24385 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
24386 * pa/ee.asm, pa/ee_fp.asm: Delete.
24388 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
24390 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
24391 directive in column zero.
24393 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
24395 * m68k.c (output_function_prologue): Fix computation of save mask
24396 when generating PIC code.
24398 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
24400 * tree.c (build_type_attribute_variant): Move current_obstack restore
24401 after build_qualified_type call.
24403 1999-07-15 Mark Mitchell <mark@codesourcery.com>
24405 * configure.in: Use t-iris6, even with GNU LD.
24406 * config/mips/iris6gld.h: Fix typo in linker spec.
24407 * config/mips/t-iris6gld: Remove.
24409 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
24411 * rs6000.md (insv, extzv): Remove SImode dependence in named
24412 patterns. Explicitly generate DImode RTL if PowerPC64 and
24414 (insvdi): Reverse start and size in instruction template.
24416 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
24418 * invoke.texi: Typo fixes.
24420 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
24422 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
24423 handle at this time instead of silently generating incorrect code.
24424 (gen_imagpart): Likewise.
24426 * reload.c (find_reloads): Emit a USE for a pseudo register without
24427 a hard register if we could not create an optional reload for the
24430 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24432 * c-typeck.c (output_init_element, process_init_element):
24433 When advancing constructor_unfilled_fields for a RECORD_TYPE,
24434 check for nameless bit fields.
24436 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
24438 * regclass.c (scan_one_insn): Notice subregs that change the
24439 size of their operand.
24440 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
24442 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
24444 * configure.in (alpha*-*-*): Include alpha/t-ieee.
24445 * configure: Rebuilt.
24446 * alpha/t-ieee: New file.
24448 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
24450 * rs6000.c (find_addr_reg): Do not select r0 as an address
24453 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
24455 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
24457 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
24459 * rs6000.md (movsf): Do not force easy FP constants into memory.
24461 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
24462 immed_double_const to ensure they are properly truncated then
24465 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24467 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
24468 always unless NO_DEBUG is used. Compile this code
24470 (replace_symbols_in_block): Compile it unconditionally.
24472 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
24474 * configure.in (i?86-*-elf*): New target.
24475 * configure: Rebuilt.
24476 * i386/i386elf.h, i386/t-i386elf: New files.
24478 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24480 * toplev.c (main): Don't complain about saying -gdwarf.
24481 (rest_of_compilation): Remove redundant code.
24483 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
24485 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
24487 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
24489 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
24490 "Li960R:", to avoid name clash.
24492 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24494 * loop.c (check_dbra_loop): When reversing a loop, delete all
24495 REG_EQUAL notes referencing the reversed biv except those which are
24496 for a giv based on it.
24498 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
24500 * version.c: Drop "gcc-" prefix from version #.
24502 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
24504 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
24505 the label if we're being verbose.
24507 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
24509 * m68k.c (output_function_prologue): Add pic register to mask
24510 if live and flag_pic.
24511 (output_function_epilogue): Likewise.
24513 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
24515 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
24516 directives in column zero.
24518 * pa/elf.h (ASM_FILE_START): Define.
24519 * pa/som.h (ASM_FILE_START): Include .level directives.
24520 * pa/hpux10.h (ASM_FILE_START): Delete.
24521 * pa/hpux11.h (ASM_FILE_START): Delete.
24523 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
24525 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24527 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
24528 when reload_out equals reload_in.
24530 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
24532 * invoke.texi (Spec Files): New node: Describe the contents of
24535 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
24537 * invoke.texi (DEC Alpha Options): Put @end table at
24538 beginning of line, to avoid confusing texi2html.
24540 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
24542 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
24543 introduced in previous delta.
24545 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24547 * reload1.c (gen_reload): When synthesizing a 3 operand add
24548 sequence, improve test for when to reload OP1 into the reload
24549 register instead of OP0.
24551 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
24553 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
24555 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
24557 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
24560 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
24562 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
24563 (va_dcl): Use __builtin_va_alist_t.
24565 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
24567 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
24568 on the permanent_obstack.
24569 * dwarfout.c (output_type): Likewise.
24571 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
24573 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24574 Merged from c-typeck.c and cp/typeck.c.
24575 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24576 Merged into c-common.
24578 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
24580 * c-lex.c (errorcount): Declare it.
24581 (finish_parse): Update errorcount when using CPPLIB.
24583 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
24585 * fixinc/inclhack.def(end_else_label): Double the backslash so
24586 sed gets a chance to see it.
24587 * fixinc/inclhack.sh: regen
24588 * fixinc/fixincl.x: regen
24590 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
24592 Add framework to support armv5 architecture when it becomes
24595 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
24596 (arm_arch5): New variable.
24597 (all_architectures): Add armv5 line.
24598 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
24599 -march=armv5 is specified on the command line.
24600 (arm_arch5): Export this variable.
24601 * invoke.texi: Document new string accepted by -march= switch for
24604 * config/arm/arm.h: Replace use of constant 12 as a register
24605 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24606 * config/arm/arm.c: Replace use of constant 12 as a register
24607 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
24609 * config/arm/elf.h: Tidy up.
24610 * config/arm/coff.h: Tidy up.
24612 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
24614 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
24615 * gcc/config/mips/t-iris6gld: New file.
24616 * gcc/config/mips/iris6gld.h: Likewise.
24618 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
24620 * c-decl.c (widest_integer_literal_type_node,
24621 widest_unsigned_literal_type) : New.
24622 (init_decl_processing): Handle/use the two new types.
24623 * c-common.c (type_for_size,type_for_mode) : Same.
24624 * c-lex.c (yylex) : Same.
24625 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
24627 * c-tree.h (widest_integer_literal_type_node,
24628 widest_unsigned_literal_type) : New.
24630 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
24632 * dwarfout.c (field_byte_offset): Correctly compute the object's
24633 byte offset for the first bit of a field which crosses an alignment
24634 boundary on a !BYTES_BIG_ENDIAN target.
24636 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
24638 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
24641 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
24642 Jeff Law <law@cygnus.com>
24644 * ginclude/varargs.h (va_dcl): Use word_mode for type of
24647 * except.c: Include intl.h.
24648 (expand_eh_return): Set current_function_cannot_inline.
24649 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
24650 * function.h (struct function): Add eh_return_stub_label.
24651 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
24652 * Makefile.in (except.o): Depend on intl.h.
24654 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
24656 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
24657 same as offsettable in cases 1 and 2.
24659 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
24661 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
24662 (extlh, extwh): Likewise.
24664 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
24666 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
24668 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
24670 * configure.in: Add arm-pe and thumb-pe targets.
24671 * configure: Regenerate.
24673 * thumb.c (arm_naked_function_p): New function: Determines if
24674 a function is naked (has no gcc generated prologue/epilogue).
24675 (is_called_in_ARM_mode): Return true if the func has the
24676 interfacearm attribute.
24677 (output_return): Do not generate a return for naked functions.
24678 (thumb_function_prologue): Do not generate a prologue for
24680 (thumb_expand_prologue): Do not generate a prologue for naked
24682 (thumb_expand_epilogue): Do not generate an epilogue for naked
24684 (arm_valid_machine_decl_attribute): New function, copied from
24685 arm.c: Permit naked and interfacearm attributes.
24687 * config/arm/pe.c: New file: Support code for arm-pe target.
24688 * config/arm/pe.h: New file: Header file for arm-pe target.
24689 * config/arm/tpe.h: New file: Header file for thumb-pe target.
24690 * config/arm/t-thumb-pe: New file: Makefile fragment for
24693 1999-07-01 Mark Kettenis <kettenis@gnu.org>
24695 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
24696 -fPIC or -fpic is specified.
24698 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
24700 * expr.c (emit_block_move): Use copy_to_mode_reg for
24701 !TARGET_MEM_FUNCTIONS case too.
24703 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
24705 * configure: Rebuilt.
24706 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
24707 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
24708 definitions made redundant by dbxelf.h inclusion. Delete
24709 lots of definitions related to assembly output that are
24710 specific to the SOM object format.
24711 * pa.c (output_function_prologue): Do not emit the function's
24713 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
24714 * pa-pro.h: Deleted.
24715 * som.h: New file with SOM specific definitions.
24716 * elf.h: New file with ELF specific definitions.
24718 * elfos.h (const_section): Output a tab before assembler directives.
24719 (ctors_section, dtors_section): Likewise.
24720 (ASM_OUTPUT_SECTION_NAME): Likewise.
24722 * pa/pa1.h: Delete unused file.
24724 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
24726 * configure.in (hppa*-hp-hpux11*): New configuration.
24727 * configure: Rebuilt.
24728 * pa/pa-hpux11.h: New file.
24729 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
24732 * mips.md (leasi, leadi): New patterns.
24734 * expr.c (emit_block_move): Properly handle case where one of the
24735 block move arguments has a queued increment or decrement.
24736 (clear_storage): Similarly. Fix formatting goof.
24738 1999-06-28 "David O'Brien" <obrien@NUXI.com>
24740 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
24741 semicolon from the BSD VA_LIST replacement expression.
24743 * fixinc/inclhack.sh: regen
24744 * fixinc/fixincl.x: regen
24746 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
24747 now use the fixincl program.
24749 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
24751 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
24752 case. Also make the PIC register call_used.
24754 * m68k.h (FINALIZE_PIC): Delete.
24755 * m68k.c (finalize_pic): Delete.
24757 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
24759 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
24762 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
24764 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
24766 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
24768 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
24770 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
24772 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
24774 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
24776 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
24778 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
24780 * rs6000.c (output_toc): Always use hex values for floating-point
24781 constants. Store single-precision values in upper-half of TOC
24782 entry in 64-bit mode.
24783 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
24784 to final constraints.
24785 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
24786 (fctiwz): Improve accuracy of RTL for pattern.
24788 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
24790 * expr.c (expand_expr): Allow RTL_EXPR's through the
24791 MAX_INTEGER_COMPUTATION_MODE checks.
24793 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
24795 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
24796 such that MASK_SUPPORT_ARCH is not negative.
24798 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
24800 * loop.c (verify_dominator): Properly handle ADDR_VEC and
24801 ADDR_DIFF_VEC insns that appear inside loops.
24803 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
24804 Jeff Law <law@cygnus.com>
24806 * rs6000.md (movdf_hardfloat32): Revert previous patch.
24807 Handle LO_SUM the same as offsettable in cases 1 and 2.
24808 * rs6000.c (find_addr_reg): Revert previous patch.
24810 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
24812 * system.h (strstr): New external function declaration.
24813 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
24814 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
24815 * config.in, configure: Rebuilt.
24817 1999-06-24 Tom Tromey <tromey@cygnus.com>
24819 * gcc.c (main): Read user-specified specs files after computing
24820 additional startfile_prefixes.
24822 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
24824 Revert these two patches:
24826 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24827 * loop.c (strength_reduce): When doing biv->giv conversion, update
24828 reg note of NEXT->insn.
24830 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24831 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24833 (recombine_givs): Set ix field after sorting.
24835 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24837 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
24838 for the parts of an UNSPEC / UNSPEC_VOLATILE.
24840 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
24842 *fixinc/inclhack.def: Add fix development commentary
24843 (read_ret_type): reactivate and add selection clause
24844 (zzz_*): tweak output file name to match what is used in hackshell.tpl
24845 *fixinc/{fixincl.x|inclhack.sh}: regen
24847 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
24849 * expr.c (expand_expr): STRIP_NOPS before checking against
24850 MAX_INTEGER_COMPUTATION_MODE
24851 (check_max_integer_computation_mode): Likewise.
24853 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
24855 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
24857 1999-06-22 Jim Wilson <wilson@cygnus.com>
24859 * expr.c (store_expr): When target is a promoted subreg, return a
24860 promoted subreg as a result.
24862 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
24864 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
24866 (dwarf2out_define): Mark unused parameters appropriately.
24867 (gen_unspecified_parameters_die): Ditto.
24868 (gen_subprogram_die): Fix signed/unsigned warnings.
24869 (gen_variable_die): Ditto.
24871 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
24873 * fixinc/inclhack.def(end_else_label): combined else_label
24874 and endif_label and fixed the sed expression.
24875 *fixinc/{fixincl.x|inclhack.sh}: regen
24877 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
24879 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
24880 'x' when handling non-offsettable addresses
24882 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
24884 * final.c (shorten_branches): Don't try to split an insn that has
24887 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
24889 * config/mips/mips.c (symbolic_expression_p): New function.
24890 (mips_select_rtx_section): Put symbolic expressions in the
24891 data section, not the read-only data section.
24893 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
24895 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
24897 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
24899 * collect2.c (main): Log frame table count.
24900 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
24901 (scan_prog_file) [COFF]: Handle frame tables.
24903 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
24904 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
24905 * alpha/elf.h: Undef them again.
24906 * alpha/vms.h: Remove their definitions.
24908 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24910 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
24911 remove the clobber of r0 and change the REG_UNUSED note to
24914 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
24916 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
24917 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
24918 fits in HOST_WIDE_INT and one uses union to access a long constant
24921 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
24923 * sparc.c (sparc_override_options): Don't allow profiling for
24924 code models other than medlow.
24925 (sparc_function_profiler): New function from old FUNCTION_PROFILER
24926 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
24927 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
24928 (sparc_block_profiler): Likewise.
24929 (sparc_function_block_profiler_exit): Likewise.
24930 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
24931 (FUNCTION_BLOCK_PROFILER): Likewise.
24932 (BLOCK_PROFILER): Likewise.
24933 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
24934 (MCOUNT_FUNCTION): New.
24935 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
24936 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
24937 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
24938 (MCOUNT_FUNCTION): New.
24939 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
24940 (BLOCK_PROFILER): Delete.
24941 (MCOUNT_FUNCTION): New.
24943 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
24945 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
24947 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
24949 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24952 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24955 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24958 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
24961 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
24963 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
24966 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
24968 * i386/djgpp.h (LIB_SPEC): New.
24969 (STARTFILE_SPEC): New.
24971 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
24973 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
24975 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
24978 * system.h (WSTOPSIG): New macro.
24980 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
24982 * c-pragma.c (push_alignment): Don't ignore alignments greater than
24984 (insert_pack_attributes): Take into account member natural
24987 * i386/winnt.c (exports_head): New static variable.
24988 (i386_pe_record_exported_symbol): New function.
24989 (i386_pe_asm_file_end): Use.
24990 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
24991 symbols to be emitted at end of assembly.
24992 (ASM_DECLARE_OBJECT_NAME): Likewise.
24993 (ASM_DECLARE_FUNCTION_NAME): Likewise.
24995 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
24998 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25000 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25003 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25005 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25006 zapping reg_last_uses directly.
25007 (sched_analyze_2, sched_analyze_insn): Likewise.
25008 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25010 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25012 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25013 attributes for cases 1 and 2.
25015 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25017 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25020 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25022 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25024 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25026 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25027 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25028 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25029 must be stacked if it is used for PIC accesses.
25030 * arm.c (use_return_insn): Handle PIC register specially.
25031 (output_return_instruction): Likewise.
25032 (output_func_{prologue,epilogue}): Likewise.
25033 (output_expand_prologue): Likewise.
25035 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25036 (*strsi_predec): Renamed from *strqi_predec.
25037 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25038 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25040 * arm.c (arm_override_options): Remove warning about PIC code
25041 not being supported.
25043 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25045 * rs6000.c (find_addr_reg): New function.
25046 * rs6000.h (find_addr_reg): Declare.
25047 (offsettable_addr_operand): Delete.
25048 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25049 from and stores to GPRs.
25051 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25053 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25054 gen_sequence as argument to emit_no_conflict_block.
25056 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25058 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25059 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25060 *fixinc/fixincl.x: regen
25061 *fixinc/inclhack.sh: regen
25063 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25065 * added support for -mpcrel (PC relative addressing for m68k)
25066 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25067 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25068 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25069 (comments for general_src_operand): Add some explanation
25070 about EXTRA_CONSTRAINTS.
25071 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25072 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25073 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25074 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25075 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25076 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25077 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25078 if not already set.
25079 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25080 * m68k.h (TARGET_PCREL): New target flag.
25081 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25082 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25083 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25084 contains a SYMBOL_REF. Relax this constraint during reload, since
25085 we want to use the predicates, not reload's built-in concept of a
25086 valid memory address, to control what insns need reloading.
25087 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25088 operands (essentially 'g', 'm', and 's' under normal circumstances).
25089 * m68k.c (print_operand): Cause printing of pc-relative addresses
25090 to include pc register.
25091 (print_operand_address): Ditto.
25092 (general_src_operand): Accept operands that are not only
25093 general_operands, but are also valid when used as a pc-relative
25095 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25096 (memory_src_operand): Similar, for memory_operands.
25097 (pcrel_address): New predicate to accept the special case of a
25098 pc-relative address.
25099 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25100 QImode insns to accept *_src_operand instead of *_operand where
25101 pc-relative operands can fit. For example, a pc-relative operand
25102 can be used as a memory source operand for addsi3, but not as a
25103 memory destination.
25104 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25106 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25108 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25109 .thumb_set pseudo op to mark aliases of thumb functions.
25111 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25113 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25114 preference to ASM_OUTPUT_DEF, if it is defined.
25116 * tm.texi: Document new, optional target macro
25117 ASM_OUTPUT_DEF_FROM_DECLS.
25119 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25121 * fixincludes: ISCNTL patch
25122 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25123 (dgux_int_varargs): new for DG/UX
25124 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25126 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25128 * invoke.texi (ia32 options): Fix typo.
25130 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25132 * loop.c (strength_reduce): When doing biv->giv conversion, update
25133 reg note of NEXT->insn.
25135 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25137 * loop.c (move_movables): Note issues with replacing REGs with
25139 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
25141 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
25143 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
25145 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
25146 the reference to `mcount' was not correct for the ELF on FreeBSD.
25148 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25150 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25153 (recombine_givs): Set ix field after sorting.
25155 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
25157 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
25158 to safe to extract a subword out of a REG.
25160 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25162 * sh.md (mulsi3): Don't add a no-op move at the end.
25164 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25166 * cse.c (cse_insn): Don't put hard register source into tables for
25167 the last insn of a libcall.
25169 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25171 * loop.c (strength_reduce): Insert sets of derived givs at every
25172 biv increment, even if it's the only one.
25174 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
25176 * dwarfout.c (add_incomplete_type): New fn.
25177 (output_type): Call it.
25178 (retry_incomplete_types): New fn.
25179 (dwarfout_finish): Call it.
25181 From Eric Raskin <ehr@listworks.com>:
25182 (output_type): Output types for bases.
25184 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
25186 * mips.c (mips_output_conditional_branch): Add `break'
25187 between `default' label and `close braces'.
25189 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
25191 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
25192 specifications and make it realistic.
25193 (LIB_SPEC): Likewise.
25195 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
25197 * config/mips/mips.c (mips_secondary_reload_class): Check for
25198 (PLUS (SP) (REG)) and return appropriate register class.
25199 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
25200 Handle (PLUS (SP) (REG)).
25201 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
25202 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
25203 of emit_insn for tablejump.
25205 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
25207 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
25208 asm_fprintf format string by itself.
25209 (output_function_profiler): Likewise.
25211 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
25213 * combine.c (simplify_logical, case AND): Only call
25214 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
25215 or the constant is positive.
25217 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
25219 * configure.in: Fix typo in rs6000-ibm-aix4 case.
25220 * configure: Regenerate.
25222 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
25224 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
25225 require a sub-version #.
25226 * configure: Rebuilt.
25228 1999-06-14 Robert Lipe (robertlipe@usa.net)
25230 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
25232 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
25234 * c-typeck.c (process_init_element): Detect excess elements in
25235 char array initializer.
25237 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
25239 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
25241 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25243 * invoke.texi (Option Summary): Add -fpermissive flag.
25245 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
25247 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
25248 that require PIC code sequences.
25250 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
25252 * configure.in: Add new target: thumb-elf.
25253 * configure: Regenerate.
25254 * config/arm/t-thumb-elf: New file: Makefile fragment for
25256 * config/arm/telf.h: New file: Header file for thumb-elf
25259 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
25261 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
25262 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
25263 initializers is some circumstances.
25265 * fixinc/inclhack.def (endif_label): Add additional selector for
25266 more bogus stuff after #endif statements.
25267 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
25269 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
25271 * i386/cygwin.h (SET_ASM_OP): Define.
25273 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
25275 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
25277 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25279 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
25282 * sh.md (ic_invalidate_line_i): Remove second alternative.
25284 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25286 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
25287 test for the presence of valid prototypes. Delete bypass expr.
25288 (ioctl_fix_ctrl): Correct the selection expression.
25289 (no_double_slash): Correct quoting rules
25290 *fixinc/fixincl.x: regen
25291 *fixinc/inclhack.sh: regen
25293 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
25295 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
25297 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25299 * rs6000.md (movsi_got_internal_mem): Delete.
25300 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
25301 (GOT_TOC_REGNUM): Delete.
25302 (PIC_OFFSET_TABLE_REGNUM): Define.
25303 (FINALIZE_PIC): Disable.
25304 * rs6000.c (rs6000_got_register): New code for fixed pic register.
25305 (rs6000_replace_regno): Delete.
25306 (rs6000_finalize_pic): Likewise.
25307 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
25309 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25311 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
25312 is a note; use <= for the compare; advance P while it is
25315 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
25317 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
25318 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
25320 * varasm.c (remove_from_pending_weak_list): Verify t->name
25321 is non-NULL before passing it to strcmp.
25323 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25325 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
25326 the typed arguments are not part of a comment
25327 (ioctl_fix_ctrl): Added a purpose comment
25328 *fixinc/fixincl.x: regenerate
25329 *fixinc/inclhack.sh: regenerate
25331 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25333 * invoke.texi: Add C4x invocation docs.
25335 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
25337 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
25339 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
25341 (c4x_legitimize_reload_address): New function.
25342 * config/c4x/c4x.md: Update docs.
25344 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
25346 * fixincludes: Avoid removing '.'.
25347 * fixinc/fixinc.svr4: Likewise.
25348 * fixinc/fixinc.winnt: Likewise.
25349 * fixinc/inclhack.tpl: Likewise.
25350 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
25352 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25354 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
25356 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
25358 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
25360 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
25363 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
25365 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
25366 * configure: Regenerate.
25368 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
25370 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
25373 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
25375 * fixinc/inclhack.def (avoid_bool): Also catch
25376 "typedef [unsigned] int bool".
25377 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25379 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
25380 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
25381 * configure: Rebuilt.
25383 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
25385 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
25386 such that we can override its definitions if necessary.
25387 (CPP_SPEC): New define. Support processor specific predefines via
25389 (CC1_SPEC): New define. Support processor specific compiler
25390 options via %(cc1_cpu).
25391 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
25394 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25396 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
25397 between sed's -e flag, and the open-quote following it.
25398 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
25400 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
25401 Jeffrey A Law (law@cygnus.com)
25403 * varasm.c (assemble_start_function): Remove the function
25404 from the pending weak decls list when we define a function.
25405 (assemble_variable): Similarly for variables.
25406 (weak_finish): Ignore items on the list with a NULL name.
25407 (remove_from_ending_weak_list); New function to "remove" an item
25408 from the pending weak declarations list.
25410 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25412 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
25414 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
25416 * c-lex.c (GETC): Redefine to call getch.
25417 (UNGETC): Redefine to call put_back.
25418 (putback_buffer): New structure type.
25419 (putback): New static structure.
25420 (getch): New function.
25421 (put_back): New function.
25422 (yylex): Replace unused bytes from bad multibyte character.
25424 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
25426 * cpplib.c (do_define): Cast `alloca' return value.
25427 (do_include, do_undef, do_pragma): Likewise.
25428 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
25430 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
25431 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
25433 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
25435 * sparc.md (abstf2): This should be an expand.
25436 (split after abstf2_notv9): Fix mode.
25437 (abstf2_hq_v9): New pattern.
25438 (abstf2_v9): Only use when no hard quad.
25439 (absdf2_v9): Fix if target is not the same as source.
25440 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
25441 Add correct output constraints.
25443 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
25445 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
25446 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
25448 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
25450 * mips.h (mips_output_conditional_branch): New function.
25451 (mips_adjust_insn_length): Likewise.
25452 (ASSEMBLER_SCRATCH_REGNUM): New macro.
25453 (ADJUST_INSN_LENGTH): Likewise.
25454 * mips.c (print_operand): Add `F' and `W' for floating-point
25455 comparison opcodes.
25456 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
25458 (mips_adjust_insn_length): New function.
25459 (mips_output_conditional_branch): New function.
25460 * mips.md (length): Adjust attribute definition to handle
25461 conditional branches. Change lengths to bytes, rather than
25462 instructions throughout. Remove length attribute from
25463 instructions whose length is four bytes, and rely on the default
25465 (dslot): Fix typo in comment.
25466 Reword conditional branch patterns to use
25467 mips_output_conditional_branch.
25469 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
25471 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
25472 (LIB_SPEC): Likewise.
25473 Link with -lprof1_r for -g/-pg.
25475 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25477 * loop.c (check_dbra_loop): Fix change of Jan 19.
25479 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
25481 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
25482 (STARTFILE_SPEC): Define, override the svr4.h version.
25483 (ENDFILE_SPEC): Likewise.
25485 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
25487 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
25488 * fixinc/fixincl.x: Regenerated.
25489 * fixinc/inclhack.sh: Regenerated.
25491 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25493 * sh.c (barrier_align): Don't return early for normal branch/barrier
25494 when optimizing for SH2.
25496 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
25498 * i386/udk.h (LINK_SPEC): Correct linker search path for
25501 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25503 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
25504 (braf_label_ref_operand): Delete.
25505 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
25506 * sh.md (casesi_jump_2): Operand1 is now the inside of a
25507 label_ref, and has no predicate.
25508 The patten has a predicate to guard against invalid substitutions.
25509 (dummy_jump): Delete.
25510 (casesi): Update use of casesi_jump_2.
25512 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25514 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
25515 *fixinc/fixincl.x: regenerate
25516 *fixinc/inclhack.sh: regenerate
25518 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
25520 * dwarf2out.c (add_incomplete_type): New fn.
25521 (gen_struct_or_union_type_die): Call it.
25522 (retry_incomplete_types): New fn.
25523 (dwarf2out_finish): Call it.
25525 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
25527 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
25528 current block starts with a CODE_LABEL and ends with a CALL and
25529 we can not find all the argument setup instructions for the CALL.
25531 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
25533 Revert this change:
25534 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25535 something is a candidate for optimize_bit_field_compare.
25537 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25539 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
25541 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
25543 * alpha.c (override_options): Thinko in last patch.
25545 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
25546 (LIB_SPEC): Recognize -pthread.
25548 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
25550 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
25551 definition in config/arm/coff.h
25552 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
25554 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25556 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
25557 fixes that need "file=xxx\n" prepended before invocation
25558 (start_fixer - new): starting the fixer process is complex enough
25559 to warrent its own routine. It prepends the "file=xxx\n" stuff.
25560 (process): uses the new routine; omit usage of putenv()
25561 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
25562 * fixinc/fixincl.x: regenerate
25564 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
25566 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
25567 and version #s (1.1 -> 2.96) as needed.
25568 * README.g77: Kill way out of date file in the toplevel directory.
25570 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
25572 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
25573 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
25574 * configure: Rebuilt.
25575 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
25576 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
25577 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
25578 (SWITCH_TAKES_ARG): Likewise.
25579 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
25580 * config/t-freebsd: Moved from config/i386/ so it can used for all
25583 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
25585 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
25587 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
25589 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
25590 * configure: Rebuilt.
25592 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
25594 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
25595 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
25596 * rs6000/rs6000.c (rs6000_file_start): Use putc.
25597 (rs6000_output_load_toc_table): Same.
25598 (output_prolog, output_mi_thunk): Same.
25599 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
25600 (ASM_GLOBALIZE_LABEL): Use putc.
25602 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
25604 * alpha.md (reload_*_help): New patterns and splitters.
25605 (reload_*): Use them.
25606 (mov[qh]i): Likewise.
25608 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
25610 * cccp.c (handle_directive): Handle backslash-newlines in quoted
25613 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
25615 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
25617 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
25619 * flow.c (mark_regs_live_at_end, insn_dead_p,
25620 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
25621 and HARD_FRAME_POINTER_REGNUM special treatment if reload
25622 hasn't run or the frame pointer is needed.
25623 * haifa-sched.c (attach_deaths): Likewise.
25624 * sched.c (attach_deaths): Likewise.
25626 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
25628 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
25629 calculate_can_reach_end returns nonzero.
25631 * configure.in (native gas tests): Search for an assembler in the
25632 same manner that the installed compiler will.
25633 * configure: Rebuilt.
25634 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
25636 * alias.c (find_base_term): Improve handling of addresses
25637 constructed from binary operations.
25639 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
25641 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
25643 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
25645 * function.h (cleanup_label, frame_offset): Declare.
25646 (tail_recursion_label, tail_recursion_reentry): Likewise.
25647 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25648 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
25649 (tail_recursion_label, tail_recursion_reentry): Likewise.
25650 (arg_pointer_save_area, rtl_expr_chain): Likewise.
25652 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
25654 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
25656 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
25657 (MAX_OFILE_ALIGNMENT): Define.
25659 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
25661 * fixincl.c: Replace local include scheme with #includes of
25662 gansidecl.h and system.h.
25663 * procopen.c: Likewise.
25664 * server.c: Likewise.
25666 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
25668 * i386/t-dgux (EXTRA_PARTS): Add crti.o
25669 (crti.o): Add build rule and dependencies.
25670 * fixinc/fixinc.dgux: Use modified _int_varargs.h
25672 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25674 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
25675 (LIB_LINUX_SPEC): Likewise.
25676 (LIB_LINUX_SPEC): Add support for -pthread
25677 (CPP_OS_LINUX_SPEC): Likewise.
25678 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
25681 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
25683 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
25685 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
25686 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
25687 for IEEE math and CC_FCOMI.
25688 (put_jump_code): No IEEE if CC_FCOMI is set.
25690 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25692 * fold-const.c (fold_truthop): Make the field reference unsigned
25693 when converting a single bit compare.
25695 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25697 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
25699 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
25701 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
25702 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
25705 * reload.c (push_reload): Do not call remove_address_replacements
25706 when presented with identical optional reloads.
25708 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
25710 * alpha.h (MASK_FIX, TARGET_FIX): New.
25711 (MASK_*): Reorganize constants.
25712 (CPP_AM_FIX_SPEC): New.
25713 (TARGET_SWITCHES): Add FIX.
25714 (EXTRA_SPECS): Likewise.
25715 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
25716 (SECONDARY_MEMORY_NEEDED): Likewise.
25717 (REGISTER_MOVE_COST): Likewise.
25718 * alpha.c (override_options): Add FIX support. Always use
25719 ALPHA_TP_PROG for ev6.
25720 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
25721 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
25722 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
25724 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
25726 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
25727 something is a candidate for optimize_bit_field_compare.
25729 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
25731 * gcc.texi (Passes): Document branch-shortening.
25732 * invoke.texi (Debugging Options): Document the fact that `-dp'
25733 outputs length information for instructions.
25735 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
25737 * flow.c: Revert previous delta.
25739 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
25741 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
25742 FRAME_POINTER_REGNUM.
25743 (mark_set_1): Ditto.
25744 (mark_used_regs): Ditto.
25746 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
25748 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
25749 (GOT_PCREL): New macro. Define to 1 if not already defined.
25750 * arm/elf.h (GOT_PCREL): Define to 0.
25751 * arm.c (arm_finalize_pic): Take into account the setting of
25754 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
25756 * output.h (STRIP_NAME_ENCODING): Provide default definition.
25757 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
25759 * flow.c (mark_set_1): Do not record BLKmode stores as dead
25760 store elimination candidates.
25762 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
25764 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
25767 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
25769 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
25770 Add use of x-aix41-gld.
25772 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
25774 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
25775 (ASM_OUTPUT_DESTRUCTOR): Define.
25777 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
25779 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
25780 last CODE_LABEL in a loop if we have previously passed a jump
25781 to the top of the loop.
25783 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
25785 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
25786 applying Philip's patch.
25788 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
25790 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
25793 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
25795 * loop.c (strength_reduce): Grow reg_single_usage as needed.
25797 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
25799 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
25800 Also remove a useless comment.
25802 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
25804 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
25806 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
25808 * collect2.c (main): Only generate import or export file and add
25809 to link arguments if non-empty. Use xmalloc not alloca.
25810 (write_{export,import}_file): Delete.
25811 (write_aix_file): New function.
25812 (locatelib): Use xmalloc not malloc.
25813 (GCC_OK_SYMBOL): Do not check type if aix64.
25815 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
25817 Based on patch by Scott Bambrough and Pat Beirne:
25818 * config/arm/arm.c (making_const_table): New variable.
25819 * config/arm/arm.h (making_const_table): Declare.
25820 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
25822 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
25823 Keep track of when we are building the constant table.
25825 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
25827 * config/arm/arm.c (arm_override_options): Fix erroneous warning
25830 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
25832 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
25835 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
25837 * tm.texi (FUNCTION_ARG): Correct description of a stack element
25840 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
25842 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
25844 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25846 * rs6000.c (output_mi_thunk): Enable full support again.
25848 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25850 * sh.h (BRANCH_COST): Define.
25852 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
25854 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
25856 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
25858 * function.c (assign_stack_local): Align stack slot propertly.
25859 (assign_outer_stack_local): Likewise.
25861 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
25863 * expr.h (lang_expand_constant): Declare.
25864 * toplev.c (lang_expand_constant): Define it.
25865 * varasm.c (output_constant): Use it.
25867 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25869 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
25870 Change function definitions to K&R style.
25872 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25874 * fixinc/fixincl.c: We must not ignore SIGCLD now.
25876 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
25878 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
25879 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
25880 (several places): omit static initialization
25881 (process): use single fd, since only the read fd is used
25882 * fixinc/gnu-regex.c: define 'const' away, if not supported
25883 * fixinc/procopen.c(several places): omit static initialization
25884 * fixinc/server.c: define 'volitile' away, if not supported
25886 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
25888 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
25889 asm_fprintf and %L to generate the label name.
25890 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
25891 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
25893 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
25895 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
25896 insn for a conditional jump can not be found.
25898 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
25900 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
25901 on variables in specific sections other than .sbss and .sdata.
25903 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
25905 * stmt.c (expand_return): Call start_cleanup_deferral and
25906 end_cleanup_deferral around conditional code.
25908 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25910 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
25911 filename lists. Utilizes new "krstr" AutoGen function.
25912 * fixinc/fixincl.x: Rebuilt.
25914 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
25916 * i386.c (output_float_compare): Avoid GNU-C extensions.
25918 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
25920 * version.c: Bump to distinguish mainline tree from the
25923 See ChangeLog.1 for earlier changes.