1 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
3 * mkdeps.c, mkdeps.h: New files.
4 * po/POTFILES.in: Add them.
5 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
6 (cpplib.o, cppinit.o): Depend on mkdeps.h.
7 (mkdeps.o): New target.
9 * cppfiles.c: Delete deps_output.
10 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
11 OBJECT_SUFFIX, and base_name.
12 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
14 (initialize_dependency_output): Use deps_init,
15 deps_add_target, deps_calc_target, and deps_add_dep. Remove
16 all the unnecessary string bashing.
17 (cpp_finish): Use deps_write. Remove an unnecessary nesting
19 * cpplib.c (do_include): Use deps_add_dep.
20 * cpplib.h (struct cpp_reader): Replace deps_buffer,
21 deps_allocated_size, deps_size, deps_column members with
22 single pointer to a struct deps. Delete prototype of
25 * cppinit.c: Fix thinko in previous patch.
27 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
29 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
30 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
31 (mode_for_size_tree): New function.
32 (layout_decl, layout_type): Call it and clean up BLKmode checks.
33 * tree.h (mode_for_size_tree): New declaration.
35 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
37 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
39 * stmt.c (is_body_block): Move...
40 * dwarfout.c, dwarf2out.c: ...from here.
42 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
43 * final.c (final_start_function): Do call remove_unnecessary_notes
46 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
48 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
50 * cpplib.h (_dollar_ok): New macro.
51 (is_idchar, is_idstart): Use it.
52 (IStable): Rename to _cpp_IStable. Declare it const if
53 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
54 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
55 is_space): Update for renamed IStable.
57 * cppinit.c: Delete all references to FAKE_CONST and CAT
58 macros. Define init_IStable as empty macro if gcc >=2.7 or
59 C99. Change TABLE() to ISTABLE and hardcode name of table.
60 (cpp_start_read): Don't change the IStable based on
63 * cpphash.c (unsafe_chars): Add pfile argument. All callers
64 changed. Handle '$' for char1 correctly.
65 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
67 * cppexp.c (tokentab2): Make const.
68 (cpp_lex): Make toktab const.
69 * cppinit.c (include_defaults_array): Make const.
70 (initialize_standard_includes): Make default_include const.
72 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
74 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
75 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
76 (gen_decl_die): Likewise.
77 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
78 (output_decl): Likewise.
80 * varasm.c (make_function_rtl): If we change the name used in the
81 rtl, update DECL_ASSEMBLER_NAME accordingly.
82 (make_decl_rtl): Likewise.
84 * toplev.c (rest_of_compilation): Tweak formatting.
86 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
87 remove_unnecessary_notes.
88 (debug_ignore_block): New fn.
89 * toplev.h: Declare it.
90 * emit-rtl.c (remove_unncessary_notes): Call it.
91 * dwarf2out.c (dwarf2out_ignore_block): New fn.
92 * dwarf2out.h: Declare it.
93 * final.c (final_start_function): Don't call remove_unnecessary_notes
94 if we did insn scheduling.
96 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
98 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
99 * cpplib.h: Delete SET_CPP_PEDANTIC.
101 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
103 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
104 result is a RECORD_TYPE.
106 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
108 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
110 2000-03-03 Richard Henderson <rth@cygnus.com>
112 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
113 addition over compliments over shifts.
115 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
117 * reload1.c (reload_combine_note_use): Handle return register USEs.
118 REG case: Handle multi-hard-register hard regs.
120 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
122 * md.texi: Document use of '*' in insn pattern name.
124 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
126 * calls.c (special_function_p): operator new may not be malloc-like.
128 * gcse.c (dump_hash_table): Really fix error in last change.
130 2000-03-02 Denis Chertykov <denisc@overta.ru>
132 * avr.c (print_operand): Use print_operand_address instead of
134 * avr/libgcc.S: Cleanup code.
136 2000-03-02 Richard Henderson <rth@cygnus.com>
138 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
140 2000-03-02 Mark Mitchell <mark@codesourcery.com>
142 * tree.h (TYPE_ALIGN_UNIT): New macro.
144 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
146 * i386.c: (constant_call_address_operand): Reject CONST_INT.
148 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
150 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
152 (SET_CPP_PEDANTIC): New macro.
153 * cpplib.c (do_include): Don't bother checking system_header_p.
154 (do_warning, do_ident, do_assert, do_unassert): Likewise.
155 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
157 * function.h (struct expr_status): Add x_arg_space_so_far.
158 (arg_space_so_far): New macro.
159 * expr.c (init_expr): Initialize it.
160 * calls.c (emit_call_1): Reset it.
161 (compute_argument_block_size, expand_call): Use it.
162 (expand_call, store_one_arg): Increment it.
164 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
166 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
169 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
171 * cppfiles.c (cpp_read_file): New function.
173 * cpphash.c (collect_expansion): Make sure to reset last_token
174 to NORM when we hit a string. Handle trailing whitespace
175 properly when the expansion is empty.
176 (create_definition): Disable line commands while parsing the
178 (dump_definition): If pfile->lineno == 0, output a line
179 command ahead of the dump, and add a trailing newline.
181 * cppinit.c (append_include_chain): Add fifth argument, which
182 indicates whether or not system headers are C++ aware.
183 (initialize_standard_includes): New function,
184 broken out of read_and_prescan. Pass 'cxx_aware' value from
185 the include_defaults_array on to append_include_chain.
186 (dump_special_to_buffer): Const-ify char array.
187 (builtin_array): Don't dump __BASE_FILE__.
188 (cpp_start_read): Use cpp_read_file. Reorder code for
189 clarity. Don't output line commands here for -D/-A/-U
190 switches. Don't call deps_output for files included with
191 -include or -imacros.
193 * cpplib.c (do_define): Don't pay any attention to the second
195 (cpp_expand_to_buffer): Disable line commands while scanning.
196 (output_line_command): Work in the file buffer.
197 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
198 Fix formatting of comments. Prototype cpp_read_file.
200 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
202 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
203 reference the language-equivalent of sizetype.
204 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
205 * fold-const.c (size_binop, size_diffop): Put back checks.
206 * gcse.c (dump_hash_table): Fix minor error in last change.
207 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
208 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
211 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
213 * calls.c (expand_call) Do not attempt to combine stack adjustments
214 with inhibit_defer_pop set.
216 2000-03-01 Mark Mitchell <mark@codesourcery.com>
218 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
219 the DECL_SIZE for a FIELD_DECL.
221 2000-03-01 Bruce Korb <bkorb@gnu.org>
223 * fixinc/inclhack.tpl: remove unused symlinks
224 * fixinc/README: GCC Maintainer info
225 * fixinc/inclhack.sh: regen
226 * fixinc/fixincl.sh: regen
228 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
230 * cpphash.c (collect_expansion): Trim trailing white space
231 from macro definitions, but don't go past the last insertion
234 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
236 * i386.md (mulqi3): New pattern.
238 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
240 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
242 (struct cpp_reader): Add parsing_if_directive and
243 parsing_define_directive flags.
244 (struct cpp_options): Remove output_conditionals flag.
245 (check_macro_name): Delete prototype.
247 * cpphash.h (struct macrodef): Delete.
248 (struct reflist): Separate from struct definition.
249 (struct definition): Remove unused fields. Add column number.
250 (create_definition): Returns a DEFINITION *. Takes a
251 cpp_reader * and an int.
253 * cpphash.c (SKIP_WHITE_SPACE): Delete.
254 (PEEKC): Copy defn from cpplib.c.
255 (rest_extension, REST_EXTENSION_LENGTH): Delete.
257 (struct arglist): Simplify.
258 (collect_expansion): Rewrite. Get tokens by calling
259 cpp_get_token. Add more error checking.
260 (collect_formal_parameters): New function, broken out of
261 create_definition and reworked to use get_directive_token.
262 (create_definition): All real work is now in collect_expansion
263 and collect_formal_parameters. do_define handles finding the
264 macro name. Return a DEFINITION, not a MACRODEF.
265 (macroexpand): Replace bcopy with memcpy throughout. Replace
266 character-at-a-time copy loop with memcpy and pointer increments.
267 (compare-defs): d1->argnames / d2->argnames might be null.
269 * cpplib.c (copy_rest_of_line): Delete function.
270 (skip_rest_of_line): Do all the work ourselves.
271 (skip_string): New function.
272 (parse_string): Use skip_string.
273 (get_macro_name): New function.
274 (check_macro_name): Delete.
275 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
276 (cpp_skip_hspace): Use CPP_BUMP_LINE.
277 (handle_directive): ICE if we're called on a macro buffer.
278 (do_define): Determine macro name and type (funlike/objlike)
279 here. Expunge all uses of MACRODEF.
280 (cpp_push_buffer): Set line_base to NULL.
281 (do_undef, read_line_number): Don't worry about getting a POP token.
282 (eval_if_expression): Set/reset parsing_if_directive around
283 cpp_parse_expr. Don't clear only_seen_white.
284 (skip_if_group): Remove output_conditionals logic. Use
286 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
287 tokens under appropriate conditions.
288 (cpp_unassert): Call do_unassert not do_assert. Oops.
290 * cppexp.c (parse_defined): New function, break out of
292 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
293 ourselves, with cpp_defined.
294 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
296 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
297 * gcc.dg/strpaste-2.c: New.
299 2000-02-29 Mark Mitchell <mark@codesourcery.com>
301 * fold-const.c (size_binop): Don't asert inputs are the same and
302 have TYPE_IS_SIZETYPE set.
303 (size_diffop): Likewise.
305 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
307 * dwarfout.c (output_block): Output abstract blocks even if they
308 don't have TREE_ASM_WRITTEN set.
310 * calls.c (emit_library_call): Check for null REG.
312 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
314 * c-decl.c (current_function_decl): Move to toplev.c.
315 (init_decl_processing): Don't add current_function_decl as a ggc
317 * dbxout.c (dbxout_symbol): Change return type to int.
318 (dbxout_symbol_location, dbxout_syms): Likewise.
319 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
320 any locals. Use current_function_func_begin_label if set.
321 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
322 * dwarf2out.c (dwarf2out_begin_prologue): Set
323 current_function_func_begin_label.
324 * final.c (final_start_function): Reset it.
325 * toplev.c (current_function_decl): Define it here.
326 (current_function_func_begin_label): New variable.
327 (main): Add both as ggc roots.
328 * tree.h (current_function_func_begin_label): Declare.
330 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
332 * gcse.c: Cleanups throughout: mostly white-space, but also
333 some minor rearrangement of code.
335 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
337 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
338 returns a PARALLEL. Use emit_group_load and use_group_regs
340 (emit_library_call_value): Similarly.
342 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
343 * pa/quadlib.asm: Remove.
344 * pa/quadlib.c: New file.
346 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
347 * configure: Rebuilt.
349 2000-02-29 Philip Blundell <pb@futuretv.com>
351 * config/arm/conix-elf.h: New file.
352 * configure.in (arm*-*-conix*): New configuration.
353 * configure: Regenerate.
355 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
357 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
358 don't have TREE_ASM_WRITTEN set.
360 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
362 * Eliminate DECL_FIELD_SIZE.
363 * builtins.c (built_in_class_names, built_in_names): New variables.
364 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
365 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
366 DECL_SIZE, not DECL_FIELD_SIZE.
367 * print-tree.c (print_node): Remove code that prints extra blank
369 Properly handle inline and builtin function cases.
370 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
371 * tree.h (built_in_class_named, built_in_names): New declarations.
372 (union tree_decl): Rename internal unions to u1 and u2 and change
373 some of their components.
374 Add new field built_in_class.
375 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
376 Reflect above changes.
377 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
378 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
379 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
380 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
382 2000-02-28 Dmitri Makarov <dim@windriver.com>
384 * extend.texi: Document ARM's support for long/short calls.
386 * invoke.texi: Document ARM's -mlong-calls command line switch.
388 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
389 (arm_encode_call_attribute): Add prototype.
390 (arm_set_default_type_attribute): Add prototype.
391 (arm_strip_name_encoding): Add prototype.
393 * config/arm/arm.c (arm_init_cumulative_args): replace
394 initialisation og 'long_calls' field with initialisation of
396 (enum arm_pragma_enum): New enum.
397 (arm_pragma_long_calls): New static variable.
398 (arm_process_pragma): Also process "#pragma long_calls_off".
399 (arm_valid_type_attribute_p): Accept short_call attribute.
400 (arm_comp_type_attributes): Check long/short call attributes.
401 (arm_encode_call_attribute): New function: Encode long_call
402 or short_call attribute in function name.
403 (arm_set_default_type_attributes): New function: Assign
404 default attributes to newly defined type.
405 (current_file_function_operand): New function: Return true if
406 the symbol is a function which has already been compiled.
407 (arm_is_longcall_p): New function: Return true if the
408 indicated function should be called via a long call.
409 (arm_get_strip_length): New function. Returns number of
410 prefix characters to be stripped from a function's name.
411 (arm_strip_name_encoding): New function. Strip prefix characters
412 from a function's name.
414 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
416 (SHORT_CALL_FAG_CHAR): Define.
417 (LONG_CALL_FAG_CHAR): Define.
418 (ENCODED_SHORT_CALL_ATTR_P): Define.
419 (ENCODED_LONG_CALL_ATTR_P): Define.
420 (ARM_NAME_ENCODING_LENGTHS): Define.
421 (STRIP_NAME_ENCODING): Define.
422 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
423 (ARM_ENCODE_CALL_TYPE): Define.
424 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
425 (ARM_DECLARE_FUNCTION_SIZE): Define.
426 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
428 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
429 if a long call is needed.
431 (call_symbol): Ditto.
433 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
434 ARM_DECLARE_FUNCTION_SIZE.
436 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
437 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
438 (ARM_STRIP_NAME_ENCODING): Undefine.
439 (STRIP_NAME_ENCODING): Undefine.
440 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
441 (ASM_DECLARE_FUNCTION_NAME): Ditto.
442 (ASM_OUTPUT_COMMON): Ditto.
443 (ASM_DECLARE_OBJECT_NAME): Ditto.
445 * config/arm/pe.c (arm_dllexport_name_p): Check for
447 (arm_dllimport_name_p): Ditto.
448 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
449 (arm_mark_dllimport): Ditto.
451 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
453 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
455 2000-02-28 Mark Mitchell <mark@codesourcery.com>
457 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
459 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
461 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
462 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
463 NO_BUILTIN_WCHAR_TYPE is not defined.
464 (CPP_WCHAR_TYPE): Delete.
465 * cccp.c (main): Don't change wchar_type if cplusplus.
466 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
468 2000-02-28 Nick Clifton <nickc@cygnus.com>
470 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
472 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
474 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
475 (ASM_WEAKEN_LABEL): Define.
477 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
479 * expr.c (store_constructor): Do not emit USE.
480 * rtl.h (stupid_life_analysis): Remove.
482 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
484 * function.c (number_blocks): Reset next_block_index based on
485 what debugging format is used, not what is defined.
487 * lcm.c: Minor reformatting throughout.
488 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
490 * toplev.c (rest_of_compilation): Account for time in
491 optimize_mode_switching.
493 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
494 if only marking labels.
496 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
498 * calls.c (expand_call): Attempt to combine stack adjustments with
499 pending stack adjustments.
501 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
503 * loop.c (reg_in_basic_block_p): Don't abort when falling through
504 to the end of the function.
506 2000-02-27 Mark Mitchell <mark@codesourcery.com>
508 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
510 * final.c (next_block_index): Remove.
511 (max_block_depth): Likewise.
512 (pending_blocks): Likewise.
513 (init_final): Don't initialize them.
514 (final_start_function): Don't set next_block_index. Set up
516 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
517 * function.h (number_blocks): New function.
518 * function.c (get_block_vector): New function.
519 (identify_blocks): Use it.
520 (reorder_blocks): Set NOTE_BLOCK.
521 (number_blocks): New function.
522 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
523 * tree.h (BLOCK_NUMBER): New macro.
524 (tree_block): Add block_num field.
525 * dbxout.c (next_block_number): Remove.
526 (dbxout_init): Don't set it.
527 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
528 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
530 * toplev.c (rest_of_compilation): Always call
531 find_loop_tree_blocks. Fix indentation.
532 * dwarf2out.c (next_block_number): Remove.
533 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
534 to determine block numbers.
535 (gen_inlined_subroutine_die): Likewise.
536 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
537 (decls_for_scope): Don't increment next_block_number.
538 * dwarfout.c (next_block_number): Remove.
539 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
540 to determine block numbers.
541 (output_inlined_subroutine_die): Likewise.
542 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
543 (output_decls_for_scope): Don't increment next_block_number.
544 * sdbout.c (next_block_number): Remove.
545 (sdbout_block): Use BLOCK_NUMBER.
546 (sdbout_begin_block): Simplify.
547 * xcoffout.c (next_block_number): Remove.
548 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
549 (xcoffout_begin_block): Don't set next_block_number.
550 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
553 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
555 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
556 (expand_builtin_strcpy): Pass correct type to size_binop.
557 (expand_builtin_strcmp): Likewise.
558 Clean up conditional structure.
559 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
560 (complete_array_type): Don't use size_binop for MAXINDEX.
561 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
562 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
563 (c_alignof): Use size_one_node.
564 (build_unary_op): Pass arg of proper type to size_binop.
565 (really_start_incremental_init, push_init_level): Use sizetype for
566 constructor{,_bit,_unfilled}_index.
567 (pop_init_label, output_init_element): Likewise.
568 (output_pending_init_elements, process_init_element): Likewise.
569 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
570 * expr.c (store_expr): Use size_int.
571 (store_constructor): Use proper types for size_binop args.
572 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
573 (expand_expr_unaligned): Likewise.
574 (string_contant): Return object of sizetype.
575 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
576 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
577 (ARGS_SIZE_TREE): Pass proper types to size_binop.
578 * fold-const.c (int_const_binop): Refine when size_int is called.
579 (fold_convert): Likewise.
580 (size_int_wide): Rework to take KIND as arg, only take low order
581 bits, handle new sizetype_tab datatype, and chain entries in
583 (size_int_type_wide): New function.
584 (size_binop): Validate types of arguments.
585 (ssize_binop): Deleted.
586 (size_diffop): New function.
587 (extract_muldiv): Only fold division into multiplication for sizetypes.
588 * function.c (assign_parms): Use size_diffop and make sure
589 VAR field is of ssizetype; also pass proper type to size_binop.
590 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
591 (round_down): Deleted from here.
592 * store-layout.c (sizetype_tab): Now an array.
593 (sizetype_set, early_root_list): New variables.
594 (variable_size): Use size_one_node.
595 (round_up): Pass proper type to size_binop.
596 (round_down): Moved to here and corrected as above.
597 (layout_record): Pass proper arg types to size_binop.
598 (layout_type): Likewise.
599 If sizetype_set is zero, record the type just laid out.
600 (make_unsigned_type): Don't call set_sizetype;
601 (make_signed_type): Likewise; also, call fixup_signed_type.
602 (initialize_sizetypes): New function.
603 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
604 set name of bitsizetype to "bit_size_type".
605 Fix up type of sizes of all types made before call.
606 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
607 * tree.c (fix_sizetype): Deleted.
608 (build_common_tree_nodes): Call initialize_sizetypes.
609 (build_common_tree_nodes_2): Don't call fix_sizetype.
610 * tree.h (TYPE_IS_SIZETYPE): New macro.
611 (initialize_sizetype): New declaration.
612 (enum size_type_kind): New type.
613 (struct sizetype_tab): Deleted.
614 (sizetype_tab): Now array; adjust sizetype macros.
615 (size_diffop, size_int_type_wide): New functions.
616 (size_int_wide): Change number of args and type; access macros changed.
617 (ssize_int, sbitsize_int): New macros.
618 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
619 (ROUND_TYPE_SIZE_UNIT): New macro.
621 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
623 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
625 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
627 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
628 Mark as possibly unused.
630 * cse.c (cse_insn): Delete dead code involving tablejump.
631 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
633 * Makefile.in (libcpp.a): Start by deleting it.
635 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
637 * cpplib.h (enum file_change_code): Added rename_file.
638 * cpplib.c (do_line): If a filename is given, set file_change to
640 (output_line_command): If file_change is rename_file, always
641 output a # directive with the file name.
643 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
645 2000-02-26 Mark Mitchell <mark@codesourcery.com>
647 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
648 when copying a PARM_DECL or RESULT_DECL.
650 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
652 * fix-header.c (recognized_function): Also fix prototypes for
653 functions taking "void".
655 2000-02-26 Geoff Keating <geoffk@cygnus.com>
657 * reload1.c (do_output_reload): Check reg_reloaded_valid before
658 looking at reg_reloaded_contents.
660 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
662 * Makefile.in (STMP_FIXINC): New toggle.
663 (LIBGCC2_DEPS): Delete all references.
664 (stmp-headers): Delete target. All references either deleted
665 or changed to stmp-int-headers.
666 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
667 (LIBCPP_OBJS): Take out cppalloc.o.
668 (cppalloc.o): Delete target.
669 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
670 (gen-protos, fix-header): Link with libiberty.a.
671 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
674 * configure.in: Remove refs to strerror.
675 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
676 * system.h: Take out strerror stanza.
678 * cpperror.c (my_strerror): Delete function.
679 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
680 * cppmain.c (main): Call xmalloc_set_program_name first thing.
681 * cppalloc.c: Delete file.
682 * gen-protos.c: Don't provide xrealloc.
684 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
685 xstrerror throughout.
687 2000-02-26 Bruce Korb <bkorb@gnu.org>
689 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
690 match for DOS headers, too.
691 * fixinc/inclhack.sh,fixincl.x: Regenerate.
693 2000-02-26 Geoff Keating <geoffk@cygnus.com>
695 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
696 is right for most ELF targets.
697 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
698 Let the default file use %U properly.
699 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
702 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
705 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
707 * toplev.c (documented_lang_options): Correct spelling error.
708 (decode_d_option, decode_f_option, main): Likewise.
710 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
712 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
713 to tell assembler it is permitted to expand large constants.
715 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
717 * protoize.c: (AUX_INFO_SUFFIX): New macro.
718 (aux_info_suffix): Use.
719 (SAVE_SUFFIX): New macro.
721 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
722 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
723 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
725 * invoke.texi (Running Protoize): Update documentation.
727 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
729 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
731 2000-02-25 John Wehle (john@feith.com)
733 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
735 2000-02-25 Anthony Green <green@cygnus.com>
737 * toplev.c (rest_of_compilation): Rebuild jump labels if
738 combine_instructions has created a new direct jump.
739 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
741 (combine_instructions): Call try_combine with new argument.
742 Return non-null value when new direct jump instruction is created.
743 * rtl.h: combine_instructions returns an int.
745 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
747 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
748 jump when changing a computed jump into a jump to a known
751 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
753 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
754 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
756 * i386.md (define_expand "clrstrsi"): Fix typo.
758 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
760 * rtl.texi: Fix typo.
762 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
764 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
765 UNITS_PER_WORD. Change caller initial_elimination_offset.
766 (rounded_frame_size): Take into account that argument pushed has
767 changed. Fix TARGET_ALIGN_DOUBLE problem.
769 2000-02-25 Geoff Keating <geoffk@cygnus.com>
771 * haifa-sched.c (schedule_block): Explain the real reason
772 we delete REG_SAVE_NOTEs on the first insn of a block.
773 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
775 2000-02-24 Mark Mitchell <mark@codesourcery.com>
777 * input.h (push_srcloc): New function.
778 (pop_srcloc): Likewise.
779 * toplev.c (push_srcloc): Define it.
780 (pop_srcloc): Likewise.
782 2000-02-24 Richard Henderson <rth@cygnus.com>
784 * flow.c (life_analysis): When collecting reg info, clear
787 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
789 Fix bug exposed by reload.c no longer rounding the frame
790 size to BIGGEST_ALIGNMENT:
791 * sh.c (rounded_frame_size): New function.
792 (sh_expand_prologue, sh_expand_epilogue): Use it.
793 (initial_elimination_offset): Likewise.
795 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
797 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
798 * sh-protos.h (sh_need_epilogue): Declare.
799 * sh.c (sh_need_epilogue_known): New static variable.
800 (sh_need_epilogue): New function.
801 (function_epilogue): Clear need_epilogue_known.
802 * sh.md (return): Split into expander / insn pattern.
803 Make the expander conditional on ! sh_need_epilogue ().
805 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
807 * machmode.h (get_mode_alignment): Declare.
808 (GET_MODE_ALIGNMENT): Call it.
809 * stor-layout.c (get_mode_alignment): New function. Make
810 sure alignment is always power of 2.
812 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
814 * i386.h: Remove useless definition of "I386" and misleading
817 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
819 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
820 under which TREE_PERMANENT will be set.
821 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
822 build1): Use TREE_SET_PERMANENT.
823 * print-tree.c (print_node): Don't report value of
824 TREE_PERMANENT if ggc_p is true.
826 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
827 decide whether to give a type a new alias set.
828 * objc/objc-act.c (build_objc_string_object): Never copy the string.
829 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
830 of value of 'obstack'.
833 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
835 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
837 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
839 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
840 * cpplib.c (cpp_get_token): Produce them.
841 * cppexp.c (cpp_lex): Handle them.
843 2000-02-23 Nick Clifton <nickc@cygnus.com>
845 * config/arm/arm.c (arm_comp_type_attributes): Simply and
846 comment tests on type attributes.
848 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
850 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
851 conform to documentation.
852 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
853 to check for special cases.
854 * sh-protos.h (sh_loop_align): Declare.
855 * sh.c (sh_loop_align): Define.
857 2000-02-22 Andrew Haley <aph@cygnus.com>
859 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
860 (SIZE_TYPE): Is 32 bits when using -mgp32.
861 (PTRDIFF_TYPE): Ditto.
863 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
865 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
867 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
869 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
870 BIGGEST_FIELD_ALIGNMENT a constant.
872 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
874 * dwarf2out.c (output_line_info): Put the marker for the end of
875 the line number info at the actual end.
876 (gen_struct_or_union_type_die): Use decl_function_context
877 to check for local classes.
878 * dwarfout.c (output_type): Likewise.
880 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
882 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
883 for arguments with a mode, but no type.
884 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
885 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
886 * pa/long_double.h: New file.
887 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
888 both have 128bit wide long doubles.
889 * configure: Rebuilt.
891 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
893 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
895 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
896 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
897 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
899 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
901 * integrate.c (compare_blocks, find_block): Likewise.
903 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
905 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
907 * stmt.c (stmt_status, set_file_and_line_for_stmt,
908 expand_asm_operands): Likewise.
910 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
912 * predict.c (estimate_probability): Added the pointer heuristic to
913 the collection of static branch predictors.
915 2000-02-21 Catherine Moore <clm@cygnus.com>
917 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
918 * invoke.texi (-mfix7000): Document.
920 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
922 * diagnostic.c (init_output_buffer): Make it possible to output at
923 least 32 characters if we're given a too long prefix.
925 2000-02-20 Mark Mitchell <mark@codesourcery.com>
927 * varasm.c (initializer_constant_valid_p): Call
928 lang_expand_constant to simplify the constant.
930 2000-02-20 Bruce Korb <bkorb@gnu.org>
932 * fixinc/inclhack.def(stdio_va_list):
933 typedef needs to be disabled.
934 * fixinc/inclhack.sh: regen
935 * fixinc/fixincl.x: regen
937 2000-02-20 Geoff Keating <geoffk@cygnus.com>
939 * print-rtl.c (print_rtx): Don't print addresses when
940 flag_dump_unnumbered.
942 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
944 * sparc.c (sparc_output_scratch_registers): Mark parameter with
946 (sparc_va_arg, sparc_flat_output_function_prologue,
947 sparc_flat_output_function_epilogue): Cast value to unsigned in
949 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
951 * sparc.md: Add default case in switch.
953 2000-02-19 Richard Henderson <rth@cygnus.com>
955 * c-typeck.c (add_pending_init): Don't abort for multiple
956 fields at the same offset.
957 (pending_init_member): Test the correct member.
959 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
961 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
963 (start_catch_handler) : Same.
965 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
967 * Makefile.in: Have flow.o depend on $(EXPR_H)
969 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
971 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
972 * c-decl.c (duplicate_decls, finish_enum): Likewise.
973 (finish_decl): Remove -Wlarger-than code from here.
974 * flags.h (id_clash_len): Now int.
975 (larger_than_size): Now HOST_WIDE_INT.
976 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
977 Clean up checking to see if in table.
978 (make_bit_field_ref): Remove extra parm to bitsize_int.
979 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
980 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
981 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
982 and for computing size of decl.
983 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
984 Move -Wlarger-than code to here.
985 (layout_record): Remove extra arg to bitsize_int.
986 Set TYPE_BINFO_SIZE_UNIT.
987 (layout_union): Remove extra arg to bitsize_int.
988 Use proper type for size of QUAL_UNION.
989 (layout_type): Remove extra arg to bitsize_int.
990 * toplev.c (id_clash_len): Now int.
991 (larger_than_size): Now HOST_WIDE_INT.
992 (decode_W_option): Clean up id-clash and larger-than- cases.
993 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
994 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
995 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
996 (struct tree_decl): New field size_unit.
997 (size_int_wide): No HIGH operand; NUMBER is now signed.
998 (size_int_2): Deleted.
999 (size_int, bitsize_int): Don't use it and rework args.
1000 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
1002 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
1004 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
1006 2000-02-18 Geoff Keating <geoffk@cygnus.com>
1008 * invoke.texi (Warning Options): Add an explanation of why
1009 you might want the -Wfloat-equal flag.
1011 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1013 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
1014 * cppinit.c (new_pending_define): Add cast to avoid warning.
1015 * expmed.c (extract_bit_field): Likewise.
1016 * flow.c (enum reorder_skip_type): New type.
1017 (skip_insns_between_blcok): New it.
1018 Rework to avoid warning about possibly undefined variable.
1019 * function.c (assign_parms): Make thisparm_boundary unsigned.
1020 * genrecog.c (write_switch): Cast XWINT result to int.
1021 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
1022 * mips-tfile.c (init_file): Make two versions of FDR intializer:
1023 one for MIPS and one for Alpha.
1024 (get_tag, copy_object): Add casts to avoid warnings.
1025 * optabs.c (init_one_libfunc): Cast NAME to (char *).
1026 * reload.c (find_reloads): Make TYPE enum reload_type.
1027 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
1028 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
1029 * varasm.c (compare_constant_1): Add cast to avoid warning.
1030 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
1032 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
1033 Cast switch operand of size to int.
1034 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
1035 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
1038 2000-02-18 Nick Clifton <nickc@cygnus.com>
1040 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
1041 anything for an alignment of zero.
1043 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
1044 anything for an alignment of zero.
1046 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
1048 * gcc.texi (Bug Reporting): Refer to bugs.html.
1049 (Bug Lists): Likewise.
1050 * system.h (GCCBUGURL): New preprocessor define.
1051 * rtl.c (fancy_abort): Use it.
1052 * gcc.c (main): Likewise.
1054 2000-02-18 Richard Henderson <rth@cygnus.com>
1056 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
1057 (life_analysis_1): Subsume into ...
1058 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
1059 Use update_life_info for the relaxation.
1060 (update_life_info): Update REG_BASIC_BLOCK for registers live on
1061 entry and regs_live_at_setjmp.
1062 (set_noop_p): Simplify.
1063 (notice_stack_pointer_modification_1): Renamed from s/_1//.
1064 (record_volatile_insns): Split into ...
1065 (delete_noop_moves): ... here,
1066 (notice_stack_pointer_modification): ... here,
1067 (insn_dead_p): ... and here.
1068 (propagate_block): Don't query INSN_VOLATILE.
1069 (mark_used_regs): Mind !PROP_REG_INFO.
1070 * toplev.c (rest_of_compilation): Call mark_constant_function here,
1071 not in life_analysis.
1073 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
1075 * loop.c (canonicalize_condition): New function,
1076 broken out of get_condition.
1077 (get_condition): Use it.
1078 * expr.h (canonicalize_condition): Prototype it.
1080 * tree.h (tree_int_cst_msb): Declare.
1081 * tree.c (tree_int_cst_msb): New function.
1083 2000-02-17 Mark Mitchell <mark@codesourcery.com>
1085 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
1088 * invoke.texi (-fmessage-length=n): Document.
1090 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
1092 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
1094 2000-02-17 Mark Mitchell <mark@codesourcery.com>
1096 * function.c (thread_prologue_and_epilogue_insns): Put a line note
1099 2000-02-17 Nick Clifton <nickc@cygnus.com>
1101 * config/arm/thumb.c: Replace includes of system headers with
1102 #include "system.h".
1104 2000-02-16 Richard Henderson <rth@cygnus.com>
1106 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
1107 Add crtbeginS.o and crtendS.o.
1108 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
1109 (ENDFILE_SPEC): Use crtendS.o.
1110 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
1112 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
1113 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
1115 (__dso_handle): New variable.
1116 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
1117 bias to __CTOR_END__.
1119 2000-02-16 Richard Henderson <rth@cygnus.com>
1121 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
1123 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
1125 * longlong.h (__clz_tab): Declare as static to match definition.
1127 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
1128 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
1129 (XREF_FILE_NAME): Define.
1131 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
1132 (EH_FRAME_SECTION_ASM_OP): Define.
1133 (IDENT_ASM_OP): Define.
1134 (TEXT_SECTION_ASM_OP): Define.
1136 (CTORS_SECTION_ASM_OP): Define.
1137 (CTOR_SECTION_FUNCTION): Use it.
1138 (DTORS_SECTION_ASM_OP): Define.
1139 (DTOR_SECTION_FUNCTION): Use it.
1141 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
1143 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
1146 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
1147 debug_bb_n): New functions.
1148 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
1149 * basic-block.h: Prototype new functions.
1151 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
1153 * configure.in: Add support for avr target.
1154 * configure: Rebuilt.
1156 * invoke.texi: Add AVR invocation docs.
1157 * install.texi: Add information about AVR.
1158 * md.texi: Add AVR constraint letters description.
1159 * extend.texi: Add description for AVR specific attributes.
1161 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
1163 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
1165 2000-02-16 Nick Clifton <nickc@cygnus.com>
1167 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
1168 (make_insn_raw): Move RTL check here.
1170 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1172 * version.c: Include gansidecl.h and version.h.
1174 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
1176 * configure.in (gcc_version): When setting, narrow search to
1177 lines containing `version_string'.
1179 * Makefile.in (mainversion): Likewise.
1180 (GCC_H): New variable.
1181 (gcc.h): Delete target.
1182 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
1183 (version.o): Depend on version.h.
1184 (dbxout.o): Don't depend on gcc.h.
1186 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
1187 Michael Meissner <meissner@cygnus.com>
1189 * md.texi (Simple Constraints): Add item about whitespace.
1190 * genoutput.c (strip_whitespace): New.
1191 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
1192 strip_whitespace for constraints.
1193 Test pointer using NULL, not 0.
1195 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1197 * cpplib.c (do_line): Pedwarn for #line > 32767.
1199 * c-lex.c (readescape): Warn about '\x', but do not reject it.
1201 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
1203 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
1204 to default cpp spec.
1205 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
1206 * cpp.texi: Document __GNUC_PATCHLEVEL__.
1209 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
1212 2000-02-15 Denis Chertykov <denisc@overta.ru>
1214 * configure.in: Add support for avr target.
1216 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1218 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
1219 (sh_addr_diff_vec_mode): Don't declare.
1220 * sh.c (sh_addr_diff_vec_mode): Delete.
1222 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1224 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
1226 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1228 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
1229 (smulsi3_highpart_i): Name.
1230 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
1231 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
1232 (smulsi3_highpart, umulsi3_highpart): Likewise.
1234 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
1235 correctly independent of endianness.
1236 (mulsidi3, umulsidi3): Now define_insn. Hide details that
1237 confuse the optimizers.
1238 (mulsidi3+1, umulsidi3+1): New define_split.
1240 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
1242 * config/sh/sh.md: Guard insn splits against illegal registers.
1243 * config/sh/sh.h: Correct comment about macros.
1245 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1246 Andrew MacLeod <amacleod@cygnus.com>
1248 * Makefile.in (lcm.o): Depend on insn-attr.h.
1249 * basic-block.h (optimize_mode_switching): Declare.
1250 * lcm.c (tm_p.h, insn-attr.h): #include.
1251 (seginfo, bb_info): New structs.
1252 (antic, transp, comp, delete, insert) : New file-scope static variables.
1253 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
1254 (reg_becomes_live, optimize_mode_switching): Likewise.
1255 * tm.texi: Add description of mode switching macros.
1256 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
1258 * sh-protos.h (remove_dead_before_cse): Remove prototype.
1259 (fldi_ok, fpscr_set_from_mem): New prototypes.
1260 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
1261 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
1262 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
1263 (sh_flag_remove_dead_before_cse): Remove declaration.
1264 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
1265 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
1266 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
1267 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
1268 (barrier_align): Allow for JUMP_INSNS containing a parallel.
1269 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
1270 (fldi_ok): New function.
1271 (get_fpscr_rtx): Add fpscr_rtx as GC root.
1272 (emit_sf_insn): Only generate fpu switches when optimize < 1.
1273 (emit_df_insn): Likewise.
1274 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
1275 (sh_flag_remove_dead_before_cse): Delete.
1276 (get_free_reg, fpscr_set_from_mem): New functions.
1277 * sh.md (movdf, movsf): Remove no_new_pseudos code.
1278 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
1280 2000-02-15 Loren Rittle <ljrittle@acm.org>
1282 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
1284 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1286 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
1287 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
1289 * cccp.c: Include version.h and/or don't declare `version_string'.
1290 * collect2.c: Likewise.
1291 * alpha.c: Likewise.
1292 * arm/aof.h: Likewise.
1293 * arm/coff.h: Likewise.
1294 * arm/elf.h: Likewise.
1295 * arm/pe.h: Likewise.
1296 * arm/tcoff.h: Likewise.
1297 * arm/telf.h: Likewise.
1298 * arm/tpe.h: Likewise.
1299 * arm/vxarm.h: Likewise.
1300 * convex/convex.c: Likewise.
1301 * i386/dgux.c: Likewise.
1302 * i386/sun386.h: Likewise.
1303 * m88k/m88k.c: Likewise.
1304 * mcore/mcore-pe.h: Likewise.
1305 * mips/mips.h: Likewise.
1306 * romp/romp.h: Likewise.
1307 * sh/sh.c: Likewise.
1308 * cpphash.c: Likewise.
1309 * cppinit.c: Likewise.
1310 * dwarf2out.c: Likewise.
1311 * dwarfout.c: Likewise.
1314 * mips-tfile.c: Likewise.
1315 * protoize.c: Likewise.
1316 * toplev.c: Likewise.
1319 * version.c (version_string): Constify a char*.
1321 * version.h: New file.
1323 2000-02-14 Nick Clifton <nickc@cygnus.com>
1325 * configure.in: Add mcore-elf and mcore-pe targets.
1326 * configure: Regenerate.
1328 * NEWS: Add note that MCore port has been contributed.
1330 * invoke.texi: Document command line switches for MCore port.
1331 * install.texi: Add MCore to list of supported targets.
1333 2000-02-14 Geoff Keating <geoffk@cygnus.com>
1335 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
1336 then we will need to import the frame handling functions.
1337 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
1338 to import the frames themselves.
1340 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
1341 Jason Eckhardt <jle@cygnus.com>
1343 * basic_block.h: Added prototype for reorder_basic_blocks.
1344 * toplev.c: Changes to add -freorder-blocks and graph dump after
1345 block reordering is done.
1346 * flow.c (reorder_block_def): New structure for use during block
1348 (REORDER_BLOCK_*): New macros to access members of above structure.
1349 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
1350 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
1351 functions for block reordering.
1353 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
1355 * gcc.texi (Passes): Fix typo.
1356 * md.texi (Standard Names): Ditto.
1357 * tm.texi (Storage Layout): Ditto.
1359 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
1361 * cpplib.c (do_define): Only free the old definition if it
1364 2000-02-13 Neil Booth <NeilB@earthling.net>
1366 * cppfiles.c (read_and_prescan): When emitting deferred
1367 newlines, test speccase[] again instead of checking each
1368 possible whitespace character in turn. When we encounter \r,
1369 look behind for \n first, then ahead.
1371 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
1373 * cse.c (cse_altered): New internal flag.
1374 (cse_insn): Set it if we changed an insn.
1375 (cse_main): Clear cse_altered before each basic block.
1376 Only garbage collect if cse_altered is true afterward.
1378 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1380 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
1382 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
1384 * combine.c (simplify_comparison): Fix typo.
1386 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
1388 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
1391 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1393 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
1394 previously inserted node instead of root node. Caller changed.
1396 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1398 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
1400 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1402 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
1403 __dereg_frame_dtor): Add prototype argument.
1405 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
1407 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
1409 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
1411 * gthr-vxworks.h (__gthread_once): Likewise.
1413 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
1415 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
1417 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
1418 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
1419 stack pointer in functions w/o saved registers, output LEAVE more often
1420 on TARGET_USE_LEAVE machines.
1422 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
1424 * config/arm/arm.c (arm_init_cumulative_args); New function:
1425 Initlaise the CUMULATIE_ARGS strcuture for a function
1427 (arm_function_arg): New function: Determine where to place a
1428 function's argument. Also handles deciding the function's
1430 (current_file_function_operand): New function: Return true if
1431 the symbol is a function which has already been compiled.
1432 (arm_is_long_call_p): New function: Return true if the
1433 indicated function should be called via a long call.
1434 (arm_valid_type_attribute_p): New function: Return true if the
1435 attribute is a valid, arm specific, attribute.
1436 (arm_comp_type_attribute): New function: Return true if the
1437 two types have compatable, arm specific, attributes.
1439 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
1441 (FUNCTION_ARG): Redefine to call arm_function_arg.
1442 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
1444 (INIT_CUMULATIVE_ARGS): Redefine to call
1445 arm_init_cumulative_args.
1446 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
1448 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
1450 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
1452 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
1453 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
1454 (COMP_TYPE_ATTRIBUTES): Define.
1456 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
1457 if a long call is needed.
1458 (call_value): Call arm_is_long_call_p to decide if a long call
1460 (call_symbol): Call arm_is_long_call_p to decide if a long call
1463 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
1465 2000-02-11 Denis Chertykov <denisc@overta.ru>
1467 * README.AVR: New file with information about the avr ports.
1468 * config/avr: New directory with avr port files.
1470 2000-02-11 Andreas Jaeger <aj@suse.de>
1472 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
1474 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
1476 * cpphash.c: Fix formatting, update commentary.
1477 (dump_definition): Take three separate arguments instead of a
1478 MACRODEF structure argument.
1479 * cpphash.h: Update prototype of dump_definition.
1480 * cppinit.c (cpp_finish): Update call of dump_definition.
1482 * cpplib.c (do_define): Always create new hash entry with
1483 T_MACRO type. Remove redundant check for redefinition of
1484 poisoned identifier. Update call of dump_definition.
1485 (do_undef): Don't call check_macro_name. Rename sym_length to
1487 (do_error, do_warning): Don't use copy_rest_of_line or
1489 (do_warning): Don't use pedwarn for the actual warning,
1490 only the notice about its not being in the standard. (Fixes
1491 bug with #warning in system headers.)
1492 (do_ident): Stricter argument checking - accept only a single
1493 string after #ident. Also, macro-expand the line.
1494 (do_xifdef): Use cpp_defined. De-obfuscate.
1496 (do_pragma): Split out specific pragma handling to separate
1497 functions. Use get_directive_token. Update commentary. Do
1498 not pass on #pragma once or #pragma poison to the front end.
1499 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
1500 do_pragma_default): New.
1502 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
1504 * jump.c (jump_optimize_1): The first operand in a relational
1506 * optabs.c (emit_conditional_move): Handle relationals which
1507 have a known true/false result.
1509 2000-02-11 Geoff Keating <geoffk@cygnus.com>
1511 * function.c (thread_prologue_and_epilogue_insns): Don't insert
1512 a RETURN insn into a block which already ends with a jump.
1514 2000-02-11 Geoff Keating <geoffk@cygnus.com>
1516 * haifa-sched.c (BUF_LEN): Increase a lot.
1518 2000-02-11 Nick Clifton <nickc@cygnus.com>
1520 * configure.in: Add tm_p_file specification for thumb targets.
1521 * configure: Regenerate.
1523 * config/arm/thumb-protos.h: New file: Prototypes for exported
1524 functions defined in thumb.c.
1526 2000-02-11 Robert Lipe <robertl@sco.com>
1528 * Makefile.in (bootstrap-lean): Remove additional files.
1529 (bootstrap2-lean): Likewise.
1530 (VOL_FILES): List of files for above.
1532 2000-02-11 Nathan Sidwell <nathan@acm.org>
1534 * cpphash.c (special_symbol): Remove spurious argument to
1537 2000-02-11 Joel Sherrill (joel@OARcorp.com>
1539 * configure.in: (i*86-*-rtems*): Swapped elf and coff
1541 * configure: Rebuilt.
1543 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
1545 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
1547 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
1549 * pa.c, pa.h: Remove trigraph sequences within comments.
1551 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
1553 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
1555 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
1557 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
1559 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1561 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
1563 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1565 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
1566 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
1567 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
1568 (ASM_FILE_END): Use c4x_file_end.
1569 * config/c4x/c4x.c (c4x_global_label): New function.
1570 (c4x_external_ref, c4x_file_end): Likewise.
1572 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
1573 (c4x_external_ref, c4x_end_file): Likewise.
1575 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
1577 * cppexp.c: Don't include cpphash.h.
1578 (parse_charconst, cpp_lex): Use cpp_defined.
1579 (cpp_lex): Use get_directive_token throughout. Remove
1580 unnecessary cases from switch. Move assertion-handling code
1582 (cpp_parse_expr): If we see '+' or '-', check the context to
1583 determine if they are unary or binary operators. Streamline
1584 the jumps a bit. Do not call skip_rest_of_line.
1586 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
1587 static. Export get_directive_token. Update commentary.
1588 (cpp_defined): New function.
1589 (do_define): Remove reference to T_PCSTRING. Call
1590 free_definition to release memory for old definition, when
1592 (eval_if_expression): Set only_seen_white to 0 before calling
1593 cpp_parse_expr. Call skip_rest_of_line after it returns.
1594 (cpp_read_check_assertion): Don't preserve a pointer into the
1595 token buffer across a call to cpp_get_token.
1597 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
1598 * cppfiles.c (redundant_include_p): Use cpp_defined.
1599 * cpphash.c (free_definition): New function.
1600 (delete_macro): Use it. Update commentary.
1601 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
1603 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
1604 from enum node_type. Prototype cpp_defined and get_directive_token.
1605 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
1607 * fix-header.c (check_macro_names): Use cpp_defined.
1608 (read_scan_file): Set inhibit_warnings and inhibit_errors in
1609 the options structure.
1611 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1613 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
1615 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
1617 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
1618 rather than die->die_tag.
1620 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1622 * combine.c (make_extraction, force_to_mode): Avoid warning on
1623 mixed-signedness conditionals.
1624 (make_field_assignment, nonzero_bits): Likewise.
1625 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
1626 (store_split_bit_field, extract_split_bit_field): Likewise.
1627 (extract_fixed_bit_field, store_bit_field,
1628 * expr.c: Change alignment to be unsigned everywhere.
1629 (move_by_pieces, store_constructor_field, store_constructor):
1630 Alignment parm is unsigned.
1631 (emit_block_move, emit_group_load, emit_group_store): Likewise.
1632 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
1633 (do_compare_rtx_and_jump): Likewise.
1634 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
1635 Compare align with GET_MODE_ALIGNMENT.
1636 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
1637 (get_inner_reference): Likewise.
1638 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
1639 (expand_assignment): Local vars for alignment now unsigned.
1640 (store_constructor, store_field, expand_expr, do_jump): Likewise.
1641 (do_compare_and_jump): Likewise.
1642 (store_field): Call new function expr_align.
1643 * expr.h (emit_block_move, emit_group_load, emit_group_store):
1644 Alignment arg now unsigned.
1645 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
1646 (do_compare_rtx_and_jump, store_bit_field): Likewise.
1647 (extract_bit_field): Likewise.
1648 * fold-const.c (add_double): Add cast to eliminate signedness warning.
1649 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
1650 (get_best_mode): Alignment arg is unsigned.
1651 * rtl.h (move_by_pieces): Likewise.
1652 * store-layout.c (maximum_field_alignment, set_alignment):
1654 (layout_decl): Alignment arg is now unsigned.
1655 Remove unneeded casts.
1656 (layout_record, layout_union, layout_type): Remove unneeded casts.
1657 Local alignment variables now unsigned.
1658 (get_best_mode): Alignment arg now unsigned.
1659 * tree.c (expr_align): New function.
1660 * tree.h (expr_align): Likewise.
1661 (maximum_field_alignment, set_alignment): Now unsigned.
1662 (get_inner_reference): Alignment argument is now pointer to unsigned.
1663 * varasm.c (assemble_variable): Add cast to eliminate warning.
1665 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
1667 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
1668 then store directly into op0.
1670 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
1671 the CALL_INSN, and emit the note immediately after it.
1673 2000-02-10 Nick Clifton <nickc@cygnus.com>
1675 * config/arm/thumb.md (epilogue): Include a (return) in the
1676 generated insn, and emit it using emit_jump_insn not
1679 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
1681 * function.c (assign_temp): Change zero-sized arrays to size 1.
1682 * integrate.c (expand_inline_function): Do not update
1683 stack_alignment_needed
1684 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
1685 add some sanity checking, remove optimization for function with
1688 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1690 * flow.c (mark_regs_live_at_end): Delete unused variables.
1692 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
1694 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
1695 in macro FRAME_GROWS_DOWNWARD.
1697 * stmt.c (expand_end_bindings): Delete unused variable.
1699 * unroll.c (iteration_info): Mark parameter `loop' with
1702 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1704 * fixinc/server.c (load_data): Return NULL if the marker line is
1706 (run_shell): If load_data returns NULL, retry the command once, in
1709 * configure: Rebuilt.
1711 2000-02-09 Bruce Korb <bkorb@gnu.org>
1713 * gcc/fixincludes: ** DELETED **
1714 * gcc/fixcpp: ** DELETED **
1715 * gcc/fixinc-nt.sed: ** DELETED **
1716 * gcc/just-fixinc: ** DELETED **
1717 * gcc/Makefile.in: Removed out-dated commentary
1718 * gcc/configure.in: Removed fast-fixincludes disablement.
1719 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
1721 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
1722 * function.c (thread_prologue_and_epilogue_insns): Uncomment
1725 2000-02-09 Richard Henderson <rth@cygnus.com>
1727 * jump.c (delete_insn): Don't delete user labels at -O0.
1729 2000-02-09 Robert Lipe <robertl@sco.com>
1731 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
1732 Don't link with HOST_LIBS.
1734 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
1736 * configure.in: Correct --help text for --with-dwarf2.
1737 Put tm-dwarf2.h after other tm files, if it's requested.
1738 * configure: Regenerate.
1739 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
1742 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
1744 * cpplib.h: Provide HASHNODE typedef and forward decl of
1745 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
1746 DEFINITION, struct hashnode, struct macrodef, struct
1747 definition, scan_decls prototype, default defn of
1748 INCLUDE_LEN_FUDGE moved elsewhere.
1750 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
1751 definition, and struct hashnode moved here. Remove the unused
1752 'predefined' field from struct definition. Replace the 'args'
1753 union with its sole member. All users updated (cpphash.c).
1754 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
1755 multiple include guard.
1757 * cpphash.c (hashf): Make static; use better algorithm; drop
1758 HASHSIZE parameter; return an unsigned int.
1759 (cpp_lookup): Drop HASH parameter. PFILE parameter is
1760 used. Calculate HASHSIZE modulus here.
1761 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
1763 (create_definition): Drop PREDEFINITION parameter.
1764 * cpplib.c (do_define): Don't calculate a hash value here.
1765 Don't pass (keyword == NULL) to create_definition.
1767 * scan.h: Prototype scan_decls here.
1768 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
1769 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
1770 callers of cpp_lookup and cpp_install updated.
1772 * cpphash.c (macarg): Hoist all the flag diddling out of the
1774 (macroexpand): ... and out of the loop that calls macarg.
1775 Skip over the initial paren before macro arguments with
1776 cpp_get_non_space_token; point may be some distance before
1777 that paren. Abort if it's not there.
1779 * cpplib.c (parse_clear_mark): Delete function.
1780 (parse_set_mark, parse_goto_mark): Make static.
1781 (ACTIVE_MARK_P): New macro.
1782 (skip_block_comment, skip_line_comment): Do not bump the line
1783 if ACTIVE_MARK_P is true.
1784 (cpp_pop_buffer): The buffer to be popped may not have an
1786 (cpp_get_token): When looking for the initial paren before
1787 macro arguments, only set a mark in a file buffer, Always
1788 return to that mark before proceeding to call macroexpand or
1789 return a NAME token.
1791 * cpplib.h: Remove prototypes of parse_set_mark,
1792 parse_clear_mark, parse_goto_mark.
1793 (struct cpp_options): Rename 'put_out_comments' to
1794 'discard_comments' and invert its sense.
1795 * cppinit.c, cpphash.c, cpplib.c: All users of
1796 put_out_comments changed to use discard_comments, with
1799 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
1801 * function.c (thread_prologue_and_epilogue_insns): Don't delete
1802 the edge from a block that both jumps and falls through to the
1805 2000-02-09 Scott Bambrough <scottb@netwinder.org>
1807 * config/arm/arm.md (movsi): In PIC mode, make sure that a
1808 constant source address is legitimate.
1810 2000-02-09 Philip Blundell <pb@futuretv.com>
1812 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
1815 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
1817 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
1819 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
1821 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
1822 ends with a newline and a NUL. Don't be so clever manipulating
1825 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
1827 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
1828 not to BIGGEST_ALIGNMENT.
1830 2000-02-08 Geoff Keating <geoffk@cygnus.com>
1832 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
1833 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
1834 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
1835 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
1836 * frame.c (execute_cfa_insn): Handle
1837 DW_CFA_GNU_negative_offset_extended.
1839 2000-02-08 Richard Henderson <rth@cygnus.com>
1841 * flow.c (tidy_fallthru_edges): Split out from ...
1842 (delete_unreachable_blocks): ... here.
1843 (find_basic_blocks): Use it.
1845 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1847 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
1849 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
1851 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
1852 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
1853 (fix-header.o): Don't depend on cpphash.h.
1855 * scan.c (hashstr): New function.
1856 * scan.h: Prototype it.
1857 * fix-header.c: Don't include cpphash.h. Use hashstr.
1858 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
1859 hashstr. Report hash table statistics. Add private
1860 definition of xrealloc.
1862 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1864 * i386.h (TARGET_SWITCHES): Fix typo in option name.
1866 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
1868 * function.c (thread_prologue_and_epilogue_insns): Don't replace
1869 jumps with returns unless they are jumps to the fallthru block.
1871 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
1873 * i386.md (addqi3_cc): Fix contraints.
1875 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
1877 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
1879 2000-02-07 Mark Mitchell <mark@codesourcery.com>
1881 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
1882 carriage return after a macro name.
1884 2000-02-07 Fred Fish <fnf@be.com>
1886 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
1887 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
1889 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
1891 * cppfiles.c (deps_output): Count spacers in deps_column.
1893 2000-02-07 Neil Booth <NeilB@earthling.net>
1895 * cppinit.c (initialize_dependency_output): If there is no
1896 suffix, don't try to look for known suffixes. Use strrchr.
1897 (cpp_start_read): Remove duplicate initialization.
1899 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
1901 * calls.c (compute_argument_block_size): New argument
1902 preferred_stack_boundary.
1903 (expand_call): update cfun->preferred_stack_boundary, update call of
1904 compute_argument_block_size
1905 (emit_library_call): Increate cfun->preferred_stack_boundary
1906 to PREFERRED_STACK_BOUNDARY
1907 (emit_library_call_value): Likewise.
1908 * explow.c (allocate_dynamic_stack_spave): Likewise.
1909 * function.c (prepare_function_start): Set
1910 cfun->preferred_stack_boundary
1911 * function.h (struct function): Add preferred_stack_boundary field.
1912 * integrate.c (expand_inline_function): Update
1913 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
1914 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
1915 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
1917 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
1919 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
1920 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
1921 cpp_pedwarn, cpp_pedwarn_with_line,
1922 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
1923 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
1924 v_cpp_error_with_line, v_cpp_warning_with_line,
1925 cpp_message_from_errno, cpp_perror_with_name): Delete.
1927 * cpperror.c (cpp_print_containing_files): Take starting
1929 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
1930 (v_cpp_message): Now called directly by all entry points.
1932 (cpp_pfatal_with_name, cpp_message): Delete.
1933 (cpp_notice_from_errno, cpp_ice): New functions.
1934 (cpp_notice): Is now for reporting error conditions, just
1935 without an associated file.
1936 (cpp_error, cpp_error_with_line): Don't do anything if
1937 opts->inhibit_errors is on.
1938 (cpp_pedwarn_with_file_and_line): Take column argument also.
1940 * cpplib.h: Update prototypes of exported functions.
1941 (struct cpp_options): Add inhibit_errors.
1943 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
1944 non-error messages. Include intl.h.
1946 * cppinit.c, cppmain.c: Likewise. Also, use
1947 cpp_notice_from_errno instead of cpp_perror_with_name or
1948 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
1950 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
1951 report internal errors.
1953 * cpplib.c (do_define): Switch bcopy to memcpy.
1954 Give cpp_pedwarn_with_file_and_line a dummy column argument.
1956 * cpplib.c (copy_rest_of_line): Revert previous change: don't
1957 bail out early if we hit a line comment.
1959 2000-02-06 Richard Henderson <rth@cygnus.com>
1961 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
1962 * basic-block.h: Declare them.
1963 * emit-rtl.h (active_insn_p): New.
1964 (next_active_insn, prev_active_insn): Use it.
1965 * rtl.h: Declare it.
1966 * function.c (emit_return_into_block): New.
1967 (thread_prologue_and_epilogue_insns): Insert return insns instead
1968 of epilogues when possible.
1969 * jump.c (jump_optimize_1): Remove code to insert a return insn
1970 on the fallthru to the exit block.
1972 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
1973 and for non-empty stack frames.
1974 * i386.md (return): Expand to return-pop as needed.
1976 2000-02-06 Richard Henderson <rth@cygnus.com>
1978 * simplify-rtx.c (simplify_relational_operation): Canonicalize
1979 constant to op1 for testing.
1981 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1983 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
1984 (fixuns_truncqfqi2): Use it.
1986 2000-02-06 Richard Henderson <rth@cygnus.com>
1988 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
1991 * i386.md (widening and peepholes): Mask the constant instead of
1994 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
1996 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
1997 input pointer before possibly branching off to the backslash
1999 * cpphash.c (macroexpand): Correctly delete \r escapes when
2000 stringifying parameters.
2001 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
2002 if we can; bail out early if we hit a line comment.
2003 (handle_directive): Treat '# 123' in an .S file just like
2004 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
2005 Return 1 for '# not_a_directive'.
2006 (get_directive_token): Pop macro buffers here, so that
2007 cpp_get_token can't sneakily move past a newline.
2009 (cpp_get_token): goto randomchar if handle_directive returns 0.
2011 * cppalloc.c: Update copyright.
2012 * cpplib.c: Merge all the static function prototypes into one
2014 * cpplib.h: Remove #if 0 block.
2016 * cpperror.c: Remove #ifdef EMACS block.
2017 * cppmain.c: Likewise.
2018 * cpphash.c: Remove #if 0 blocks.
2019 * cppinit.c: Remove #if 0 blocks, and the -lint option.
2020 * cpplib.c: Remove #if 0 blocks and code referencing
2021 pcp_inside_if or for_lint. Remove duplicate error message.
2022 Fix error messages for #else after #else or #elif. Reformat.
2023 Remove archaic TODO list.
2024 * cpplib.h: Remove pcp_inside_if and for_lint flags.
2026 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
2028 * i386/osf1elf.h: Add missing backslash to multiline string.
2030 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2032 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
2034 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2036 * Makefile.in (c-common.o): Depend on $(EXPR_H).
2038 * c-common.c: Include expr.h.
2040 * c-pragma.c (mark_align_stack): Add prototype.
2042 * caller-save.c (add_stored_regs): Likewise.
2044 * combine.c (record_promoted_value): Likewise.
2046 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
2049 * cppinit.c (new_pending_define): Likewise.
2051 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
2053 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
2054 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
2055 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
2056 class_scope_p): Likewise.
2058 * dwarf2out.h (dwarf2out_set_demangle_name_func,
2059 dwarf2out_add_library_unit_info): Likewise.
2061 * ggc.h (ggc_page_print_statistics): Likewise.
2063 * haifa-sched.c (propagate_deps): Likewise.
2065 * reg-stack.c (next_flags_user, record_label_references): Likewise.
2067 * rtl.h (set_stack_check_libfunc): Likewise.
2069 * toplev.h (set_fatal_function): Likewise.
2071 * toplev.c (set_fatal_function): Delete prototype.
2073 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
2075 2000-02-05 Geoff Keating <geoffk@cygnus.com>
2077 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
2078 (FUNC_END): Likewise.
2080 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2082 * caller-save.c: Include tm_p.h.
2084 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2086 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
2088 2000-02-04 Neil Booth <NeilB@earthling.net>
2090 * cccp.c (main): Check 'dir' for a NULL pointer before passing
2093 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
2095 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
2096 * genflags.c: Use the max_operand_1 logic from genemit.c to
2097 calculate how many arguments gen_insn prototypes have. Remove
2098 NO_MD_PROTOTYPES ifdefs from the generated file.
2099 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
2100 file. Cast gen_insn initializers to insn_gen_fn.
2101 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
2102 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
2104 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2106 * fixinc/Makefile.in (HDR): Add machname.h.
2109 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2111 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
2112 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
2113 (c4x_cpu_version): Ditto.
2114 * config/c4x/c4x-protos.h: ... here.
2116 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
2118 * dwarf2out.c (add_abstract_origin_attribute): Don't call
2119 gen_abstract_function on our context if we're a nested function.
2121 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2123 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
2124 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
2126 2000-02-04 Bruce Korb <bkorb@gnu.org>
2128 * fixinc/genfixes(machname.h):
2129 Move the functionality from gen-machine.h into this file.
2130 UNdef MN_NAME_PAT if there are no names to change.
2131 Also, be a little kinder when AutoGen is not present.
2133 * fixinc/Makefile.in(machname.h):
2134 Change the generation rule to use genfixes.
2136 * fixinc/fixfixes.c(machine_name):
2137 machine_name_fix's functionality now dependent upon whether
2138 MN_NAME_PAT is defined.
2140 * fixinc/fixtests.c(machine_name):
2143 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
2146 * fixinc/fixlib.h(mn_get_regexps):
2149 * fixinc/gen-machine.h: DELETED
2151 2000-02-04 Jan Hubicka <jh@suse.cz>
2152 Richard Henderson <rth@cygnus.com>
2154 * i386.c (SAVE_REGS_FIRST): Remove.
2155 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
2156 (ix86_compute_frame_size): Likewise.
2157 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
2158 (ix86_emit_restore_regs): Remove.
2159 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
2160 when a frame pointer is in use.
2161 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
2162 instead of pop to restore a register when profitable; emit leave
2164 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
2166 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
2167 * i386.md (prologue_allocate_stack): Remove.
2168 (epilogue_deallocate_stack): Remove.
2169 (pro_epilogue_adjust_stack): New.
2171 2000-02-04 Richard Henderson <rth@cygnus.com>
2173 * function.c (diddle_return_value): Rework to use a callback function.
2174 Use current_function_return_rtx if it's been set up.
2175 (do_clobber_return_reg, clobber_return_register): New.
2176 (do_use_return_reg, use_return_register): New.
2177 (expand_function_end): Use them.
2178 * stmt.c (expand_null_return): Likewise.
2179 * function.h: Declare them.
2180 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
2181 (mark_reg): Change arguments as appropriate for callback.
2182 * integrate.c (expand_inline_function): Revert 19 Jan change.
2184 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
2186 * tm.texi (Values in Registers): Fix typo: "fo" "for".
2187 (Misc): Say the scheduler, not the Haifa scheduler.
2189 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
2191 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
2192 when in_mem is set. Update all callers.
2194 2000-02-04 Richard Henderson <rth@cygnus.com>
2196 * i386/openbsd.h (INT_ASM_OP): Define.
2198 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
2200 * tm.texi: Fix various typos.
2202 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
2204 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
2205 (MD_STARTFILE_PREFIX_1): New macro.
2207 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
2209 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
2210 destination when needed.
2211 (strmovsi, strsetsi): New expander.
2212 (strmovsi_1, strsetsi_1): New pattern.
2213 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
2214 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
2215 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
2216 * invoke.texi (align-stringops, inline-all-stringops): Document.
2218 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
2220 * i386/netbsd.h (INT_ASM_OP): Define.
2222 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
2224 * cpplib.h (cpp_reader): Add new flag, no_directives.
2225 * cpphash.c (macarg): Set it.
2226 * cpplib.c (handle_directive): If no_directives is on and we
2227 find a directive, issue an error and discard the line.
2229 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
2231 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
2232 FP constants. Add ! TARGET_FPU check for FP constants.
2234 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
2236 * flow.c (find_basic_blocks): Don't kill label_value_list
2238 (cleanup_cfg): Kill it here.
2240 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2242 * expr.c (store_field): Ensure ALIGN is no stricter than the
2245 2000-02-02 Richard Henderson <rth@cygnus.com>
2247 * jump.c (delete_insn): Partially revert 19 Jan change;
2248 don't convert unused code labels to notes at -O0.
2250 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2252 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
2253 split_all_insns to recreate REG_LABEL notes for flow2 pass.
2255 2000-02-01 Richard Henderson <rth@cygnus.com>
2257 * i386.c (general_no_elim_operand): New.
2258 (nonmemory_no_elim_operand): New.
2259 (ix86_expand_move): Copy eliminable operands before a push.
2260 * i386-protos.h: Declare new functions.
2261 * i386.h (CAN_ELIMINATE): Simplify.
2262 (PREDICATE_CODES): Update.
2263 * i386.md (push insns): Don't allow eliminable register operands.
2265 2000-02-01 Richard Henderson <rth@cygnus.com>
2267 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
2268 replace BLKmode with DECL_RTL's mode.
2270 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
2272 * frame.c (find_fde): Convert for loop to do-while so compiler
2273 sees it's always executed at least once.
2274 * libgcc2.c (BBINBUFSIZE): Kill.
2275 (__bb_init_prg): Use fgets.
2276 (__bb_exit_trace_func): Don't paste strings.
2277 * unroll.c (unroll_loop): Initialize unroll_type, not
2278 unroll_number, and tweak logic to match.
2280 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
2282 (ix86_flags_dependant): Likewise. Disentangle control flow.
2283 (ix86_sched_reorder): Break guts out to
2284 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
2285 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
2288 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
2289 use string concatenation. Don't save and restore esi.
2291 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
2292 (machname.h): Remove script to separate file. Use two-step
2293 sequence so target is not created if script fails.
2294 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
2295 identifiers are defined.
2296 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
2297 an empty string, machine_name doesn't need to do anything at
2299 (is_cxx_header): Add more cases to regexp.
2300 * fixinc/fixlib.h: Update prototype.
2301 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
2303 * fixinc/fixincl.c: Define NO_BOGOSITY.
2305 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
2306 (hp_sysfile): Add missing comma.
2307 (math_exception): Put the wrapper ifdefs at the beginning and
2308 the end of the file.
2309 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
2311 2000-02-01 Richard Henderson <rth@cygnus.com>
2313 * sparc.c (fp_zero_operand): Turn into a normal predicate.
2314 Use CONST0_RTX. Update all callers.
2315 * sparc.h, sparc-protos.h: Update accordingly.
2316 * sparc.md (fp mov insns): Use fp_zero_operand directly
2319 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
2321 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
2324 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2326 * Makefile.in (specs.ready): New target.
2327 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
2329 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2331 * fixinc.irix: Use unique filenames for writing into /tmp,
2332 * fixinc.ptx: Likewise.
2333 * fixinc.sco: Likewise.
2334 * fixinc.svr4: Likewise.
2335 * fixinc.winnt: Likewise.
2337 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2339 * tsystem.h: New file.
2341 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
2342 s-crtS): Depend on tsystem.h.
2344 * crtstuff.c: Include tsystem.h.
2345 * frame.c: Likewise.
2346 * libgcc2.c: Likewise.
2348 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
2350 * builtins.c (expand_builtin_memset): Expand for variable sized
2353 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
2355 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
2358 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
2360 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
2362 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
2364 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
2366 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
2367 case 3->2 combining (combining with splitting) in which 2 is CC0
2368 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
2369 checked at the begining of the function with the aid of calling
2370 function 'can_combine_p'.
2372 2000-01-31 Dave Brolley <brolley@redhat.com>
2374 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
2376 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
2378 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
2381 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2383 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
2385 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
2388 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
2390 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
2391 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
2392 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
2393 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
2394 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
2395 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
2396 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
2397 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
2398 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
2399 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
2401 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
2402 Add %(cpp_cpu) to CPP_SPEC.
2404 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
2405 Add %(cc1_cpu) to CC1_SPEC.
2407 2000-01-28 Ulrich Drepper <drepper@redhat.com>
2409 * c-decl.c (c_decode_option): Accept optional numeric argument to
2410 -Wformat and set warn_format.
2411 * c-common.c: Don't emit warning about non-constant printf format
2412 string unless warn_format > 1.
2414 2000-01-30 Richard Henderson <rth@cygnus.com>
2416 * alpha.md (return_internal): Allow after reload only.
2418 2000-01-30 Richard Henderson <rth@cygnus.com>
2420 * i386.c (ix86_compute_frame_size): Omit padding1 if the
2421 local frame size is zero.
2423 2000-01-30 Richard Henderson <rth@cygnus.com>
2425 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
2426 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
2427 * alpha.md (return): Turn into an expander.
2428 (return_internal): Don't use $26.
2429 (epilogue): Emit the return insn.
2431 2000-01-30 Richard Henderson <rth@cygnus.com>
2433 * alpha.md (negtf2, abstf2): Fix word order thinko.
2435 (trunctfsf2): Avoid intermediate rounding errors.
2437 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
2439 * cppfiles.c (find_position): Drop 'colp' argument, return the
2441 (read_and_prescan): Adjust to match. Don't ever manipulate
2442 line or line_base except via find_position.
2444 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
2446 * c-parse.in: Apply Ulrich's changes from c-parse.y.
2447 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
2450 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
2452 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
2453 just print "<command line>". If 'filename' is null or an
2454 empty string, print "<stdin>" for the filename.
2455 * cpplib.c (do_define): Don't print the 'location of the
2456 previous definition' message if we're still parsing the
2458 (cpp_pedwarn_with_file_and_line): Always call
2459 cpp_file_line_for_message.
2461 2000-01-29 Mark Mitchell <mark@codesourcery.com>
2463 * flow.c (mark_regs_live_at_end): Fix typo.
2465 2000-01-28 Ulrich Drepper <drepper@redhat.com>
2467 * c-common.c: Adjust variable names, comments, help strings to c99.
2468 * c-lex.c: Likewise.
2469 * c-parse.y: Likewise.
2470 * c-tree.h: Likewise.
2472 * cpplib.h: Likewise.
2473 * c-decl.c: Likewise. Recognize options with names "*99" as well.
2474 * cppinit.c: Likewise.
2476 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2478 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
2479 * c4x.c: Define the optab rtx values.
2480 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
2481 (c4x_emit_libcall): Use new optab rtx values.
2482 (c4x_emit_libcall3): Likewise.
2483 (c4x_emit_libcall_mulhi): Likewise.
2484 * c4x-protos.h: Add prototypes for optab rtx values and change
2485 prototypes for above c4x_emit_libcall functions.
2487 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2489 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
2491 (c4x_function_prologue): Use regnames intead of float_reg_names when
2493 (c4x_function_epilogue): Likewise.
2494 (c4x_print_operand): Likewise.
2495 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
2496 * c4x.md (set_high): Disable for TARGET_TI.
2498 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2500 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
2501 of framepointer + constant to ADDR_REGS class.
2502 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
2503 * c4x.c (std_or_reg_operand): New function.
2504 * c4x-protos.h (std_or_reg_operand): Prototype it.
2506 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2508 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
2509 object names as libgcc2.c.
2510 * libgcc.S: Use newly defined names.
2512 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
2513 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
2515 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
2516 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
2517 (FLOW_LOOP_LAST_BLOCK): Likewise.
2519 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2521 * basic-block.h (struct loop): New fields 'first' and 'last'.
2522 * flow.c (flow_loops_find): Compute loop->first and loop->last.
2523 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
2524 and loop->last to check for NOTE_INSN_LOOP_END.
2526 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
2528 * predict.c (estimate_probability): Use the new FIRST and LAST fields
2529 of the loop descriptor rather than HEADER and LATCH. Also added
2530 missing break statements as well making some coding style modifications
2531 as suggested by Michael Hayes.
2533 2000-01-28 Richard Henderson <rth@cygnus.com>
2535 * flow.c (find_basic_blocks): Remove do_cleanup argument.
2536 Break out that code ...
2537 (cleanup_cfg): ... here.
2538 (commit_one_edge_insertion): Detect a return instruction being
2539 emitted to an edge. Emit a barrier following; clear fallthru.
2540 (commit_edge_insertions): Verify CFG consistency.
2541 * function.c (expand_function_start): Kill unused variable.
2542 (expand_function_end): Likewise.
2543 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
2544 to insert the epilogue.
2546 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
2547 (delete_null_pointer_checks): Likewise.
2548 * output.h: Likewise.
2549 * reg-stack.c (reg_to_stack): Likewise.
2550 * toplev.c (rest_of_compilation): Likewise. Run
2551 thread_prologue_and_epilogue_insns after rebuilding the CFG.
2553 2000-01-28 Richard Henderson <rth@cygnus.com>
2555 * Makefile.in (flow.o): Revert 24 Jan change.
2556 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
2557 FUNCTION_VALUE result to DECL_RESULT's mode.
2559 * haifa-sched.c (schedule_insns): Don't recompute reg info
2562 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
2564 * configure.in: Make --enable-cpplib the default.
2565 * configure: Regenerate.
2566 * gcc.dg/990119-1.c: No longer expected to fail.
2568 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
2570 * jump.c (jump_optimize_1): Delete an optimization that is also done
2571 by merge_blocks in flow.
2573 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2575 * diagnostic.c (build_message_string, output_printf,
2576 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
2577 (build_location_prefix): Fix non-literal format string.
2579 2000-01-27 Richard Henderson <rth@cygnus.com>
2581 * alpha.md (trunctfsf2): New.
2583 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
2585 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
2587 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
2589 * cppinit.c (cpp_handle_option): Recognize C++ comments under
2591 * cpplib.c (skip_block_comment, skip_line_comment): Split code
2593 (skip_comment) ... here. Permit C++ comments in system
2594 headers always. Warn about C++ comments in user code under
2595 -std=gnu89 -pedantic.
2596 (copy_comment): Use skip_comment.
2597 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
2599 (consider_directive_while_skipping, do_else, do_endif): Call
2600 validate_else unconditionally.
2601 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
2602 text after the conditional in a system header.
2603 * cpplib.h (struct cpp_buffer): Add flag
2604 warned_cplusplus_comments.
2606 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
2608 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
2609 Use unshare_all_rtl_1.
2610 (unshare_all_rtl_again): New function.
2611 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
2613 * function.c (purge_addressof_1): Use unshare_all_rtl_again
2614 rather than resetting the 'used' flags ourself.
2616 * toplev.c (rest_of_compilation): Add current_function_decl
2617 to the unshare_all_rtl call.
2618 * tree.h: Prototype unshare_all_rtl.
2619 * rtl.h: Prototype unshare_all_rtl_again here.
2621 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
2623 * genoutput.c (output_prologue): Include ggc.h in generated
2625 * Makefile.in (insn-output.o): Depends on ggc.h.
2627 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
2628 Hans-Peter Nilsson <hp@bitrange.com>
2630 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
2631 Remove redundant include of xm-ns32k.h.
2632 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
2633 Remove redundant include of xm-ns32k.h.
2634 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
2635 Remove redundant include of xm-ns32k.h.
2636 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
2638 * ns32k/ns32k.h: Update comment on multiply-add instructions.
2639 (TARGET_SWITCHES): Add documentation strings.
2640 (DWARF_FRAME_REGNUM): Override default definition.
2641 (REG_CLASS_CONTENTS): Add comments.
2642 (SUBSET_P): Format to reduce line length.
2643 (SMALL_REGISTER_CLASSES): Make a run time option.
2644 (GO_IF_NONINDEXED_ADDRESS): Reformat.
2645 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
2646 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
2647 (regclass_map): fix typo in comment.
2648 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
2649 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
2650 (trace, reg_or_mem_operand): Delete, unused function.
2651 (calc_address_cost): Small offsets are cheaper than large ones.
2652 (expand_block_move): Generate more efficient code when bytes is a
2653 known at compile time.
2654 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
2655 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
2656 instead of reg_or_mem_operand.
2658 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
2659 not general_operand. Similarly use "=rm" or stricter, not "=g".
2660 For input operands, use stricter constraints than "g" if not
2661 general_operand. Similarly use stricter predicate than
2662 "general_operand" when stricter constraints than "g" are present,
2663 except for matching constraints.
2664 (movstrsi): Use "memory_operand" for operands 0 and 1.
2665 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
2666 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
2667 not reg_or_mem_operand.
2668 (udivmoddisi4): Ditto.
2669 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
2670 Use nonimmediate_operand for operand 3, not register_operand.
2671 (udivmoddiqi4_internal): Use register_operand for operand 1, not
2674 2000-01-27 Fred Fish <fnf@be.com>
2676 * gthr-posix.h: Fix typo; compatibily -> compatibility.
2677 * gthr-single.h: Likewise.
2678 * gthr-solaris.h: Likewise.
2679 * gthr-vxworks.h: Likewise.
2680 * gthr-win32.h: Likewise.
2683 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
2685 * cppinit.c: Add " (cpplib)" to end of string printed by
2688 2000-01-27 Richard Henderson <rth@cygnus.com>
2690 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
2691 testing for a signed comparison.
2692 (alpha_emit_floatuns): New.
2693 * alpha-protos.h: Declare it.
2694 * alpha.md (floatunsdisf2, floatunsdidf2): New.
2695 (extendsfdf2): Tidy.
2697 2000-01-27 Jakub Jelinek <jakub@redhat.com>
2699 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
2700 no -g option specifying debugging format, default to -gstabs+.
2702 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2704 * calls.c (special_function_p): New argument fork_or_exec.
2705 (expand_call): When profile_arc_flag is set and the function
2706 is in the fork_or_exec group, call __bb_fork_func first.
2707 * libgcc2.c, _bb module (__bb_fork_func): New function.
2708 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
2710 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
2711 * tree.h (special_function_p): Update prototype.
2713 2000-01-26 Richard Henderson <rth@cygnus.com>
2715 * alpha.c (alpha_split_tfmode_pair): New.
2716 * alpha-protos.h: Declare it.
2717 * alpha.md (abstf2, negtf2): New.
2718 (movtf insn): Add input G constraint.
2719 (movtf splitter): Use alpha_split_tfmode_pair.
2721 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2723 * i386/cygwin.h: PROTO -> PARAMS.
2725 2000-01-26 Jakub Jelinek <jakub@redhat.com>
2727 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
2728 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
2729 using _Qp_cmp/_Q_cmp and testing the return value.
2730 (print_operand): Call reverse_condition_maybe_unordered if
2731 we are handling CCFPmode or CCFPEmode.
2732 Handle ORDERED, UN* and LTGT comparisons.
2733 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
2734 if not TARGET_HARD_QUAD.
2735 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
2736 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
2737 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
2738 Adjust gen_b* calls so that they reflect return comparison of
2739 sparc_emit_float_lib_cmp.
2741 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2743 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
2744 incoming operands array is large enough for one more operand.
2745 (alpha_emit_xfloating_arith): Likewise.
2747 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
2749 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
2750 file with one line and no trailing newline.
2751 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
2752 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
2753 checking if the match is on the line.
2754 * fixinc/gnu-regex.c: Provide regerror not __regerror.
2756 2000-01-25 Richard Henderson <rth@cygnus.com>
2758 * sparc.c (output_cbranch): Fix accidental squashing of the
2759 fp branch pre-delay nop.
2761 2000-01-25 Richard Henderson <rth@cygnus.com>
2763 * tree.def (UNNE_EXPR): Remove.
2764 * c-typeck.c (build_binary_op): Don't handle it.
2765 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
2767 * rtl.def (UNNE): Remove.
2769 * jump.c (reverse_condition): Update accordingly.
2770 (swap_condition): Likewise.
2771 (comparison_dominates_p): Handle unordered comparisons.
2772 (reverse_condition_maybe_unordered): New.
2773 * rtl.h (reverse_condition_maybe_unordered): Declare.
2775 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
2776 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
2777 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
2778 * sparc.md (bltgt): New.
2780 2000-01-25 Nick Clifton <nickc@redhat.com>
2782 * emit-rtl.c (emit_insn): Only check machine class insns for
2783 improper emission of a RETURN.
2785 2000-01-25 Richard Henderson <rth@cygnus.com>
2787 * Makefile.in (flow.o): Depend on $(EXPR_H).
2788 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
2789 duplicate the structure of diddle_return_value for keeping regs live.
2791 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2793 * loop.c (current_loop_info): Delete.
2794 (consec_sets_invariant_p): Add loop argument, update callers.
2795 (get_condition_for_loop): Likewise.
2796 (count_nonfixed_reads, update_giv_derive): Likewise.
2797 (simplify_giv_expr, general_induction_var): Likewise.
2798 (consec_sets_giv, recombine_givs): Likewise.
2799 (move_movables): Delete loop_start and loop_end arguments,
2800 add loop argument, and update callers.
2801 (find_mem_givs, check_final_value): Likewise.
2802 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
2803 (loop_invariant_p): Rename from invariant_p, add loop argument, and
2805 (basic_induction_var): Add loop argument, delete loop_level argument,
2807 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
2808 add loop argument, and update callers.
2809 (find_splittable_regs, find_splittable_givs): Likewise.
2810 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
2811 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
2812 (biv_total_increment): Delete loop_start and loop_end arguments;
2814 (precondition_loop_p): Delete loop_start and loop_info arguments;
2816 * loop.h (get_condition_for_loop): Add loop argument.
2817 (biv_total_increment): Delete loop_start and loop_end arguments.
2818 (precondition_loop_p): Delete loop_start and loop_info arguments;
2820 (final_biv_value): Delete loop_start and loop_end arguments;
2822 (final_giv_value, back_branch_in_range_p): Likewise.
2824 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
2826 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
2828 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
2830 * Makefile.in (c-gperf.h) : Change the "See" pointer to
2831 point to the new "generated_files" doc.
2833 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
2835 * config/fp-bit.c (_unord_f2): Fix typo.
2837 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
2839 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
2840 c-typeck.c, objc/objc-act.c: Remove all references to obstack
2841 functions obsoleted by GC, such as push_obstacks_nochange,
2842 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
2843 and code which existed only to decide whether or not to call
2844 them. Remove now-unused NESTED argument from start_function;
2845 all callers changed. Do not change behavior based on ggc_p.
2846 The use of the ixp_obstack in c-iterate.c and the util_obstack
2847 in objc/objc-act.c remain; these are not obsoleted by garbage
2849 * c-tree.h: Update prototype for start_function.
2851 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
2853 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
2855 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
2858 2000-01-25 Richard Henderson <rth@cygnus.com>
2860 * sparc-protos.h (select_cc_mode): Declare.
2861 * sparc.c (select_cc_mode): New. Handle unordered compares.
2862 (output_cbranch): Always reverse via code change. Handle
2863 unordered compares. Factor tests and string updates.
2864 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
2865 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
2866 * sparc.md (bunordered, bordered): New.
2867 (bungt, bunlt, buneq, bunge, bunle): New.
2869 2000-01-25 Richard Henderson <rth@cygnus.com>
2871 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
2872 * ggc-common.c (ggc_add_rtx_varray_root): New.
2873 (ggc_mark_rtx_varray): New.
2874 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
2875 functions down below ggc_mark_foo.
2876 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
2878 2000-01-25 Richard Henderson <rth@cygnus.com>
2880 * alpha.c (secondary_reload_class): Don't allocate a secondary
2881 for integral mode memories into FLOAT_REGS. Rearrange the more
2882 complicated memory expression inward.
2884 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
2886 * inclhack.def: Fixes to play nicer with FreeBSD, and
2887 corrections to comments.
2888 (cxx_unready): Add select expression.
2889 (irix_sockaddr): Add bypass expression.
2890 (machine_ansi_h_va_list): New fix.
2891 (stdio_va_list): No need to edit _BSD_VA_LIST_.
2892 Split out addition of "#include <stdarg.h>" to...
2893 (stdio_stdarg_h): ... here.
2894 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
2895 to stdlib.h also. Do not munge _BSD_SIZE_T_.
2896 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
2898 (ultrix_ifdef): Tighten up select expression.
2900 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
2901 re_ct and max_mach to avoid use of shell. Make printed names
2902 match names in inclhack.def. Use static copyright date.
2903 Don't count c_test and test expressions as requiring regex_t
2904 slots. Add some commentary.
2905 * inclhack.tpl: Do not include the 'This script contains N
2906 fixup scripts' line if PROGRAM is defined. Use static
2909 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
2911 * dwarf2out.c: include "varray.h", not dyn-string.h.
2912 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
2913 (addr_const_to_string, addr_to_string): Lose.
2914 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
2915 (struct dw_val_struct): val_addr is now an rtx.
2916 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
2917 (used_rtx_varray): New varray.
2918 (dwarf2out_init): Initialize it.
2920 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
2922 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
2923 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
2924 * Makefile.in (dwarf2out.o): Update dependencies.
2926 2000-01-24 Richard Henderson <rth@cygnus.com>
2928 * i386.c (i386_dwarf_output_addr_const): New.
2929 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
2931 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
2933 * dwarfout.c (output_mem_loc_descriptor): Likewise.
2934 * i386.c (i386_simplify_dwarf_addr): New.
2935 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
2937 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
2939 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
2940 TYPE_STUB_DECL is NULL.
2942 2000-01-24 Richard Henderson <rth@cygnus.com>
2944 * builtins.c (expand_tree_builtin): Move ...
2945 * c-common.c (expand_tree_builtin): ... here.
2947 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2949 * loop.h (LOOP_INFO): New accessor macro.
2950 * basic-block.h (struct loop): Rename field `info' to `aux'.
2951 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
2952 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
2953 * unroll.c (loop_iterations, unroll_loop): Likewise.
2955 2000-01-24 Christopher Faylor <cgf@cygnus.com>
2957 * config/i386/t-cygwin: Accomodate new winsup directory layout
2958 when searching for include files.
2960 2000-01-24 Richard Henderson <rth@cygnus.com>
2962 * rtl.def: Add unordered fp comparisions.
2963 * tree.def: Likewise.
2964 * tree.h: Add ISO C 9x unordered fp comparision builtins.
2966 * builtins.c (expand_tree_builtin): New function.
2967 * c-typeck.c (build_function_call): Use it.
2968 (build_binary_op): Support unordered compares.
2969 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
2971 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
2972 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
2973 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
2974 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
2975 * jump.c (reverse_condition): Don't abort for UNLE etc, but
2977 (swap_condition): Handle unordered compares.
2978 (thread_jumps): Check can_reverse before reversing.
2979 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
2982 * optabs.c (can_compare_p): New argument CODE. Verify branch or
2983 setcc is present before acking for cmp_optab. Update all callers.
2984 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
2985 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
2986 * expr.c (expand_expr): Likewise. Support unordered compares.
2987 (do_jump, do_store_flag): Likewise.
2988 * expr.h (enum libfunc_index): Add unordered compares.
2990 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
2991 (DPBIT_FUNCS): Add _unord_df.
2992 * config/fp-bit.c (_unord_f2): New.
2993 * fp-test.c (main): Try unordered compare builtins.
2995 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
2996 * alpha.c (alpha_comparison_operator): Check mode properly.
2997 (alpha_swapped_comparison_operator): Likewise.
2998 (signed_comparison_operator): Likewise.
2999 (alpha_fp_comparison_operator): New.
3000 (alpha_emit_conditional_branch): Handle unordered compares.
3001 * alpha.h (PREDICATE_CODES): Update.
3002 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
3003 (bunordered, bordered): New.
3005 2000-01-24 Richard Henderson <rth@cygnus.com>
3007 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
3008 * alpha.md (movtf): New expander, insn, and splitter.
3010 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
3012 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
3015 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
3017 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
3018 (FIXED_REGISTERS, CALL_USED_REGISTERS,
3019 REG_ALLOC_ORDER): Add frame pointer
3020 (FRAME_POINTER_REGNUM): Set to 20
3021 (HARD_FRAME_POINTER_REGNUM): New macro.
3022 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
3023 to HARD_FRAME_POINTER.
3024 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
3025 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
3026 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
3027 (HI_REGISTER_NAMES): Add "frame".
3028 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
3029 (debug_reg): Handle FRAME_POINTER_REGNUM.
3030 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
3031 GENERAL_REGS and INDEX_REGS.
3032 * i386.c (SAVED_REGS_FIRST): new macro.
3033 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
3034 (ix86_decompose_address, memory_address_length): Likewise.
3035 (regclass_map): Add frame pointer.
3036 (call_insn_operand): Handle frame_pointer_rtx.
3037 (reg_no_sp_operand): Likewise.
3038 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
3039 (print_operand, legitimize_pic_address): Fix formating.
3040 (ix86_compute_frame_size): Make static, update prototype, new
3041 parameters padding1, padding2, use ix86_nsaved_regs, use
3042 stack_alignment_needed.
3043 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
3044 to HARD_FRAME_POINTER_REGNUM conversions.
3045 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
3046 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
3047 (print_reg): Abort on FRAME_POINTER_REGNUM
3049 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
3051 * i386.h (PREDICATE_CODES): Add aligned_operand.
3052 * i386.c (aligned_operand): New function.
3053 (ix86_aligned_p): Kill.
3054 * i386.md (movhi_1): Emit mov for aligned operands.
3055 (promoting peep2s): Use aligned_operand.
3057 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
3059 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
3060 expression to allow underscores in macro names.
3061 (fix_char_macro_defines): Increment scanning pointer.
3063 2000-01-23 Richard Henderson <rth@cygnus.com>
3065 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
3066 * alpha/osf5.h: New file.
3067 * configure.in (alpha-*-osf5): Add it to tm_file.
3069 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
3071 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
3072 (alpha_emit_xfloating_cvt, function_arg): Declare.
3073 * alpha.c (alpha_emit_conditional_branch): Call
3074 alpha_emit_xfloating_compare for TFmode compares.
3075 (alpha_lookup_xfloating_lib_func): New.
3076 (alpha_compute_xfloating_mode_arg): New.
3077 (alpha_emit_xfloating_libcall): New.
3078 (alpha_emit_xfloating_arith): New.
3079 (alpha_emit_xfloating_compare): New.
3080 (alpha_emit_xfloating_cvt): New.
3081 (print_operand): Add default abort case.
3082 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
3083 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
3084 (BIGGEST_ALIGNMENT): Increase to 128 bits.
3085 (RETURN_IN_MEMORY): True for TF/TCmode.
3086 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
3087 (FUNCTION_ARG): Move to function_arg.
3088 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
3089 (ASM_OUTPUT_LONG_DOUBLE): New.
3090 (ASM_OUTPUT_DOUBLE): Always output bits.
3091 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
3092 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
3093 (extenddftf2, trunctfdf2): New.
3095 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3097 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
3098 * config/sparc/sol2.h: ... here.
3100 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3102 * basic-block.h (struct loops): New field `levels'.
3103 * flow.c (flow_loops_level_compute): Traverse all outer loops.
3104 (flow_loop_level_compute): Initialise level to 1.
3105 (flow_loops_find): Set loops->levels.
3106 (flow_loops_dump): Print loops->levels.
3108 2000-01-23 Richard Henderson <rth@cygnus.com>
3110 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
3111 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
3113 2000-01-23 Richard Henderson <rth@cygnus.com>
3115 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
3116 * i386.h (DBX_REGISTER_NUMBER): Use them.
3117 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
3118 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
3119 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
3120 * i386/sequent.h: Kill incorrect comment.
3122 2000-01-23 Mark Mitchell <mark@codesourcery.com>
3124 * ggc-page.c (struct page_entry): Make `context_depth' an
3126 (struct globals): Likewise.
3128 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
3130 * loop.c (check_dbra_loop): When checking a loop for
3131 reversability, check the source of any stores to ensure
3132 they don't depend on an initial value.
3134 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3136 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
3138 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
3140 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
3141 'pz_scan' into scope of entire function. Only affects
3142 compiles with -DDEBUG.
3144 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
3146 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
3147 section naming to that prior to 2000-01-07 patch.
3148 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
3149 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
3150 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
3151 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
3152 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
3154 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
3156 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
3159 2000-01-21 Jim Wilson <wilson@cygnus.com>
3161 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
3162 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
3164 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
3166 * cpphash.c (change_newlines): Delete function.
3167 (struct argdata): Delete 'newlines' and 'use_count' fields.
3168 (macroexpand): Remove code referencing those fields.
3170 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3172 * loop.c (loops_info): New variable.
3173 (loop_optimize): Allocate loops->array and free it on exit.
3174 Allocate memory for loops_info and assign to each loop,
3176 (find_and_verify_loops): Do not allocate loops->array.
3178 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
3180 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
3182 2000-01-21 Jakub Jelinek <jakub@redhat.com>
3184 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
3185 pseudos if expanded after first flow.
3186 (movdi_pic_label_ref): Likewise.
3188 2000-01-20 Richard Henderson <rth@cygnus.com>
3190 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
3192 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
3194 * Makefile.in (fixinc.sh): Depend on specs.
3195 * fixinc/Makefile.in: Add rule to create machname.h.
3196 (fixlib.o): Depend on machname.h.
3197 * fixinc/fixtests.c (machine_name): New test.
3198 * fixinc/fixfixes.c (machine_name): New fix.
3199 * fixinc/fixlib.c (mn_get_regexps): New helper function for
3200 the machine_name test and fix.
3201 * fixinc/fixlib.h: Prototype it.
3202 * fixinc/inclhack.def (machine_name): Use the C test and fix.
3203 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
3205 * gcc.c (do_spec_1) [case P]: Take care not to create
3206 identifiers with three leading or trailing underscores.
3208 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
3209 (fixincl): Don't specify libraries twice on link line.
3210 (gnu-regex.o): Remove special rule.
3211 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
3212 defined by config.h. Do not define _REGEX_RE_COMP.
3213 (regcomp): Allocate and initialize a fastmap.
3214 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
3216 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
3218 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
3220 2000-01-19 Richard Henderson <rth@cygnus.com>
3222 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
3223 arguments with BB. Update all callers. Tidy line wrapping.
3225 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
3227 * emit-rtl.c (try_split): Return last_insn if we split the
3230 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
3232 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
3233 (ix86_initial_elimination_offset): Declare.
3234 * i386.c (ix86_nsaved_regs): Break out from ...
3235 (ix86_can_use_return_insn_p): ... here.
3236 (ix86_emit_save_regs): Break out from ...
3237 (ix86_expand_prologue): ... here.
3238 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
3240 (ix86_expand_epilogue): ... here.
3241 (ix86_compute_frame_size): Make static, add prototype.
3242 (ix86_initial_elimination_offset): Break out from ...
3243 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
3245 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3247 * recog.h (OUT_FCN): Delete.
3249 * vax.md: Call `get_insn_template' instead of OUT_FCN.
3251 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3253 * cppalloc.c: PROTO -> PARAMS.
3254 * cpperror.c: Likewise.
3255 * cppfiles.c: Likewise.
3256 * cpplib.c: Likewise.
3257 * cpplib.h: Likewise.
3259 * config/arm/arm-protos.h: PROTO -> PARAMS.
3260 * config/arm/arm.c: Likewise.
3261 * config/c4x/c4x.c: Likewise.
3262 * config/fr30/fr30-protos.h: Likewise.
3263 * config/nextstep.c: Likewise.
3264 * config/pa/pa.c: Likewise.
3265 * config/pj/pj.c: Likewise.
3266 * config/rs6000/rs6000.c: Likewise.
3267 * config/v850/v850-protos.h: Likewise.
3268 * config/v850/v850.c: Likewise.
3270 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3272 * i370-protos.h: New file.
3274 * i370.c: Include tm_p.h. Fix compile time warnings.
3276 * i370.h: Move prototypes to i370-protos.h. Fix compile time
3279 * i370.md: Likewise.
3281 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3283 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
3284 (target_isinf, target_isnan, eisnan): Mark parameter with
3286 (eiisinf): Wrap in INFINITY.
3287 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
3288 (ibmtoe): Remove unused variable `rndsav'.
3290 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3292 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
3293 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
3295 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
3297 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
3298 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
3299 (fix_char_macro_defines, fix_char_macro_uses): New functions.
3301 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
3302 Recognize Emacs mode markers also.
3303 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
3304 C++ comments in C++ headers. Call is_cxx_header only if
3307 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
3309 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
3310 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
3311 ... these, which use the new C fixes.
3312 (math_exception): Escape literal '+' in bypass expression.
3314 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
3317 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3319 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
3322 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3324 * loop.c (loop_optimize): Allocate loop_info structure for each loop
3325 prior to calling scan_loop.
3327 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3329 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
3330 (split_branches, calc_live_regs): Likewise.
3332 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3334 * sh.md (fpu_single, fp_mode): New attributes.
3336 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3338 * loop.c (current_loop_info): Renamed from loop_info_data
3339 and changed to a pointer.
3340 (loop_optimize): Allocate loop_info structure for each loop
3341 and initialise to zero.
3342 (scan_loop): Set current_loop_info.
3344 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
3347 2000-01-19 Richard Henderson <rth@cygnus.com>
3349 * stupid.c: Die die die.
3350 * Makefile.in (OBJS): Remove stupid.o.
3351 (stupid.o): Likewise.
3353 * except.c (emit_eh_context): Don't emit USEs for stupid.
3354 * explow.c (probe_stack_range): Likewise.
3355 * flags.h (obey_regdecls): Remove.
3356 * flow.c (find_basic_blocks): Don't run try_merge_blocks
3357 when not optimizing.
3358 (life_analysis): Limit data collection when not optimizing.
3359 (mark_regs_live_at_end): Always mark the return value registers.
3360 (mark_used_regs): Remove dummy RETURN case.
3361 (print_rtl_with_bb): Don't consult obey_regdecls.
3362 * function.c (use_variable, use_variable_after): Remove.
3363 (assign_parms): Consult optimize not obey_regdecls.
3364 (expand_function_start): Don't emit USEs for stupid.
3365 (expand_function_end): Likewise.
3366 * global.c (build_insn_chain): Export.
3367 * integrate.c (expand_inline_function): Kill return-value USE
3369 * jump.c (jump_optimize_1): Do simple jump optimizations and
3370 dead code elimination.
3371 (calculate_can_reach_end): Remove check_deleted argument.
3372 (delete_insn): Patch out insns even when not optimizing.
3373 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
3374 * rtl.h (use_variable, use_variable_after): Remove declarations.
3375 (build_insn_chain): Declare.
3376 * stmt.c (expand_value_return): Don't emit USEs for stupid.
3377 (expand_end_bindings): Likewise.
3378 (expand_decl): Likewise. Consult optimize not obey_regdecls.
3379 * toplev.c (obey_regdecls): Remove.
3380 (rest_of_compilation): Don't set it. Kill stupid in favour of
3381 flow1, local-alloc, and reload.
3382 (main): Don't set obey_regdecls.
3384 * config/nextstep.c (handle_pragma): Likewise.
3386 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
3388 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
3390 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3392 * alpha-protos.h: PROTO -> PARAMS.
3393 * alpha.c: Likewise.
3395 * h8300.c: Likewise.
3396 * i386-protos.h: Likewise.
3398 * m32r-protos.h: Likewise.
3401 * mips.md: Likewise.
3402 * gmon-sol2.c: Likewise.
3403 * sparc.c: Likewise.
3405 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3407 * ns32k-protos.h: New file.
3409 * ns32k.c: Fix compile time warnings.
3411 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
3414 * ns32k.md: Likewise.
3416 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3418 * vax-protos.h: New file.
3420 * vax.c: Fix compile time warnings.
3422 * vax.h: Move prototypes to vax-protos.h. Fix compile time
3427 * vaxv.md: Likewise.
3429 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3431 * romp-protos.h: New file.
3433 * romp.c: Fix compile time warnings.
3435 * romp.h: Move prototypes to romp-protos.h. Fix compile time
3438 * romp.md: Likewise.
3440 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3442 * we32k-protos.h: New file.
3444 * we32k.c: Fix compile time warnings.
3446 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
3449 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3451 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
3453 * except.c (eh_regs): Likewise.
3455 * final.c (output_operand): Likewise.
3457 * fold-const.c (target_isinf, target_isnan): Likewise.
3459 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3461 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
3462 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
3464 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
3466 (clrstrsi): Rewrite.
3467 (strsethi, strsetqi): New expanders.
3468 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
3469 (cmpstrsi): Emit compare insn before cmpstrsi_1
3470 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
3471 (strlensi_1): Likewise.
3472 (cmpstrsi_1): Likewise; do not output compare.
3473 (strlen expander): Do not unroll when optimizing for size.
3474 (*subsi3_carry): Rename to subsi3_carry
3475 (addqi3_cc): New pattern.
3476 * i386.h (processor_costs): Add move_ratio field.
3477 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
3478 * i386.c (*_cost): Set move_ratio.
3479 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
3480 (x86_expand_strlensi_1): Rewrite the main loop.
3482 2000-01-17 Richard Henderson <rth@cygnus.com>
3484 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
3485 * cse.c (find_comparison_args, fold_rtx): Likewise.
3486 * integrate.c (subst_constants): Likewise.
3487 * loop.c (get_condition): Likewise.
3489 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
3491 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
3493 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3495 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
3496 (RESTORE_WARN_FLAGS): Unpack it.
3497 Change semantic type of extension to ttype.
3498 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
3499 * c-parse.y, c-parse.c, objc/objc-parse.y,
3500 objc/objc-parse.c: Regenerate.
3502 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
3504 * fixinc/fixlib.c: Add copyright notice.
3505 (compile_re): New function.
3506 * fixinc/fixlib.h: Prototype compile_re.
3508 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
3509 Use compile_re to compile regular expressions.
3511 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
3512 where the pattern matched.
3514 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
3516 (ultrix_ansi_compat): Likewise.
3517 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
3519 (interactv_add2, interactv_add3): Delete.
3520 (x11_sprintf): Don't use filename glob.
3521 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
3524 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3526 * print-rtl.c: PROTO -> PARAMS.
3528 * reg-stack.c: Likewise.
3529 * resource.c: Likewise.
3530 * sdbout.h: Likewise.
3531 * simplify-rtx.c: Likewise.
3532 * stor-layout.c: Likewise.
3533 * stupid.c: Likewise.
3534 * xcoffout.c: Likewise.
3535 * xcoffout.h: Likewise.
3537 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3539 * toplev.c: PROTO -> PARAMS.
3540 * toplev.h: Likewise.
3543 * unroll.c: Likewise.
3544 * varasm.c: Likewise.
3545 * varray.c: Likewise.
3546 * varray.h: Likewise.
3548 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3550 * reload.c: PROTO -> PARAMS.
3551 * reload.h: Likewise.
3552 * reload1.c: Likewise.
3553 * reorg.c: Likewise.
3554 * resource.h: Likewise.
3557 * rtlanal.c: Likewise.
3558 * sbitmap.h: Likewise.
3559 * sdbout.c: Likewise.
3560 * stack.h: Likewise.
3562 * system.h: Likewise.
3564 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3566 * machmode.h: PROTO -> PARAMS.
3567 * mbchar.h: Likewise.
3568 * mips-tdump.c: Likewise.
3569 * mips-tfile.c: Likewise.
3570 * optabs.c: Likewise.
3571 * output.h: Likewise.
3572 * prefix.c: Likewise.
3573 * profile.c: Likewise.
3574 * protoize.c: Likewise.
3576 * recog.c: Likewise.
3577 * recog.h: Likewise.
3578 * regclass.c: Likewise.
3579 * regmove.c: Likewise.
3582 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3584 * ggc-common.c: PROTO -> PARAMS.
3585 * ggc-page.c: Likewise.
3586 * ggc-simple.c: Likewise.
3588 * global.c: Likewise.
3589 * graph.c: Likewise.
3590 * gthr-win32.h: Likewise.
3591 * haifa-sched.c: Likewise.
3592 * halfpic.h: Likewise.
3593 * integrate.c: Likewise.
3594 * integrate.h: Likewise.
3597 * local-alloc.c: Likewise.
3601 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3603 * genattr.c: PROTO -> PARAMS.
3604 * genattrtab.c: Likewise.
3605 * gencheck.c: Likewise.
3606 * gencodes.c: Likewise.
3607 * genconfig.c: Likewise.
3608 * genemit.c: Likewise.
3609 * genextract.c: Likewise.
3610 * genflags.c: Likewise.
3611 * gengenrtl.c: Likewise.
3612 * genopinit.c: Likewise.
3613 * genoutput.c: Likewise.
3614 * genpeep.c: Likewise.
3615 * genrecog.c: Likewise.
3617 2000-01-16 Mark Mitchell <mark@codesourcery.com>
3619 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
3621 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3623 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
3624 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
3625 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
3626 * configure, config.in: Rebuilt.
3628 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
3630 * config/i386/i386.md: Add peephole to merge successive stack
3633 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
3635 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
3636 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
3637 when walking backwards to find all the parameter loads when
3638 the basic block ends in a call.
3640 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3642 * loop.c (this_loop_info): Delete.
3643 (uid_loop): Add in place of uid_loop_num. All uses updated.
3644 (loop_number_exit_count): Delete and replace with entry in loop
3645 structure. All uses updated.
3646 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
3647 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
3648 (loop_outer_loop): Likewise.
3649 (loop_invalid, loop_number_exit_labels): Likewise.
3650 (loop_used_count_register): Delete and replace with entry in
3651 loop_info structure.
3652 (find_and_verify_loops): Add loops argument.
3653 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
3654 loop_end, etc. arguments with loop structure pointer. All callers
3656 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
3657 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
3658 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
3659 (insert_bct): Likewise.
3660 (basic_induction_var): New argument level.
3661 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
3662 vtop, and cont. Add used_count_register.
3663 (uid_loop): Delete declaration.
3664 (loop_number_exit_count): Likewise.
3665 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
3666 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
3667 (loop_outer_loop, loop_used_count_register): Likewise.
3668 (loop_invalid, loop_number_exit_labels): Likewise.
3669 (unroll_loop): Replace loop_start and loop_end arguments
3670 with loop structure pointer.
3671 (loop_precondition_p, loop_iterations): Likewise.
3672 Include basic-block.h.
3673 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
3674 with loop structure pointer.
3675 (loop_precondition_p, loop_iterations): Likewise.
3676 * basic-block.h (struct loop): New entries vtop, cont,
3677 cont_dominator, start, end, top, scan_start, exit_labels,
3679 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
3681 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3683 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
3685 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
3687 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
3689 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3691 * pdp11-protos.h: New file.
3693 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
3696 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
3699 * pdp11.md: Likewise.
3703 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3705 * mn10300-protos.h: New file.
3707 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
3710 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
3713 * mn10300.md: Likewise.
3715 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3717 * mn10200-protos.h: New file.
3719 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
3722 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
3725 * mn10200.md: Likewise.
3727 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3729 * h8300-protos.h: New file.
3731 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
3734 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
3737 * h8300.md: Likewise.
3739 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3741 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
3742 (asm_emit_uninitialised): Likewise.
3744 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
3746 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
3747 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
3749 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
3751 * config/mips/mips.c (override_options): Don't turn on extra
3752 alignment for mips16.
3754 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
3756 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
3757 eabi, and make sure queued POSTINCREMENT rtl is emitted at
3760 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
3762 * builtins.c (PAD_VARARGS_DOWN): Define.
3763 (std_expand_builtin_va_arg): Use the above macro.
3764 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
3765 * tm.texi (Register Arguments): Document the above macro.
3767 2000-01-14 Nick Clifton <nickc@cygnus.com>
3769 * emit-rtl.c (emit_insn): If checking is enabled, make sure
3770 that this function has not been used to emit a jump
3773 * jump.c (return_jump_1): Cope with being passed a null rtx.
3775 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3777 * eh-common.h: PROTO -> PARAMS.
3778 * emit-rtl.c: Likewise.
3779 * errors.c: Likewise.
3780 * errors.h: Likewise.
3781 * except.c: Likewise.
3782 * except.h: Likewise.
3783 * explow.c: Likewise.
3784 * expmed.c: Likewise.
3787 * final.c: Likewise.
3788 * fix-header.c: Likewise.
3790 * fold-const.c: Likewise.
3791 * function.c: Likewise.
3792 * function.h: Likewise.
3794 * gcov-io.h: Likewise.
3798 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3800 * sh-protos.h: New file.
3802 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
3803 Add static prototypes. Fix compile time warnings.
3805 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
3809 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3811 * arc-protos.h: New file.
3813 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
3816 * arc.h: Move prototypes to arc-protos.h. Fix compile time
3821 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3823 * dsp16xx-protos.h: New file.
3825 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
3828 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
3831 * dsp16xx.md: Likewise.
3833 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3835 * convex-protos.h: New file.
3837 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
3840 * convex.h: Move prototypes to convex-protos.h. Fix compile time
3843 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3845 * elxsi-protos.h: New file.
3847 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
3850 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
3853 * elxsi.md: Likewise.
3855 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
3857 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
3858 case for moving from HI/LO/HI_LO_REG. This makes the behavior
3859 match the comment for MIPS16.
3861 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
3863 * flow.c (split_edge): Do not call set_block_for_insn if we
3864 do not have a basic_block_for_insn structure.
3866 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
3867 and destination functions are 32bit aligned within the trampoline.
3868 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
3869 (TRAMPOLINE_ALIGNMENT): Define.
3871 * cse.c (cse_insn): When changing (set (pc) (reg)) to
3872 (set (pc) (label_ref)), verify the change creates a valid insn.
3874 * fr30.c (call_operand): Tighten and rework to match rules for
3875 call RTL expressions.
3876 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
3877 * fr30.md (call patterns): Improve constraints.
3879 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
3881 * fr30.c (fr30_expand_epilogue): Revert last change.
3882 Use emit_jump_insn for the return insn.
3884 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
3885 Stan Cox <scox@cygnus.com>
3887 * predict.c: New file. Preliminary infrastructure work for static
3888 branch prediction and basic block reordering.
3889 * basic-block.h: Add prototype for estimate_probability.
3890 * Makefile.in: Add rules for predict.o.
3892 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
3894 * fixincludes (va_list): Use __not_va_list__ for the dummy.
3895 * fixinc/*: Likewise.
3897 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3899 * cccp.c: PROTO -> PARAMS.
3901 * collect2.c: Likewise.
3902 * combine.c: Likewise.
3903 * convert.h: Likewise.
3905 * dbxout.c: Likewise.
3906 * dbxout.h: Likewise.
3907 * diagnostic.c: Likewise.
3908 * doprint.c: Likewise.
3909 * dwarf2out.c: Likewise.
3910 * dwarf2out.h: Likewise.
3911 * dwarfout.c: Likewise.
3912 * dwarfout.h: Likewise.
3913 * dyn-string.h: Likewise.
3915 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3917 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
3918 macro conditionals guarding use.
3920 * dwarf2out.c: Include "tm_p.h".
3922 * function.c (locate_and_pad_parm): Mark parameter with
3924 (expand_function_end): Likewise for variable `context'.
3926 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
3928 2000-01-13 Nick Clifton <nickc@cygnus.com>
3930 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
3931 register to prevent compile time warnings.
3933 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
3935 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
3936 to avoid -Wtraditional warning.
3938 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3940 * 1750a-protos.h: New file.
3942 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
3945 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
3948 * 1750a.md: Likewise.
3950 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3952 * a29k-protos.h: New file.
3954 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
3957 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
3960 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3962 * clipper-protos.h: New file.
3964 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
3967 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
3970 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3972 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
3974 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
3976 * configure.in (--enable-new-gxx-abi): New option.
3977 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
3978 * Makefile.in (GXX_ABI_FLAG): New variable.
3979 * configure: Regenerate.
3981 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3983 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
3984 * tm.texi (FORCE_STRUCT_BLK): Document.
3985 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
3987 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
3989 * config/ns32k/ns32k.md: Revert Jan 9 change.
3991 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
3992 to a mode-test, if the predicate is address_operand.
3994 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
3996 * combine.c (if_then_else_cond): Be careful about what kinds
3997 of RTL expressions are passed to operand_subword.
3999 * flow.c (split_edge): If we have to insert a new jump, make
4000 sure to associate it with a basic block.
4002 * flow.c (commit_one_edge_insertion): A block with one successor
4003 can end in a JUMP_INSN that is not a simplejump.
4005 2000-01-12 Robert Lipe <robertl@sco.com>
4007 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
4008 (BUILD_VA_LIST_TYPE): Define.
4009 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
4012 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
4014 * cccp.c (do_pragma): Add cast to (char *).
4016 2000-01-12 Richard Henderson <rth@cygnus.com>
4017 Fred Fish <fnf@be.com>
4018 Jason Merrill <jason@cygnus.com>
4020 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
4021 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
4022 * i386/beos-elf.h, i386/beos-pe.h: New files.
4024 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
4025 * cross-make (SYSTEM_HEADER_DIR): Define using
4026 CROSS_SYSTEM_HEADER_DIR.
4028 * gcc.c (LIBRARY_PATH_ENV): Provide default.
4029 (process_command): Use it.
4030 (main): Likewise. Kill trailing = from env vars.
4031 (build_search_list): Put it back.
4032 * collect2.c (main): Use LIBRARY_PATH_ENV.
4034 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
4035 * toplev.c: Use NEED_DECLARATION_ENVIRON.
4037 * tm.texi (Frame Layout): Document SMALL_STACK.
4038 * c-common.c (c_common_nodes_and_builtins): Check it.
4040 * system.h: Undef alloca after including glibc's <stdlib.h>,
4041 if USE_C_ALLOCA is defined.
4043 * gcc.c (set_input): New fn.
4044 (main): After all input files are compiled, reset the input file
4047 * aclocal.m4 (rindex, index): If already defined, don't attempt
4050 * ginclude/varargs.h: (__va_list__): Define ifndef.
4051 * ginclude/stdarg.h: Likewise.
4053 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
4054 instead of unsigned char.
4056 * hash.h (true, false, boolean): Undef before enum.
4058 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
4059 proper type of "HOST_WIDE_INT *", rather than their natural type of
4060 "unsigned HOST_WIDE_INT *".
4062 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4064 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
4066 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
4068 * regclass.c (choose_hard_reg_mode): Likewise.
4070 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
4072 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
4074 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4076 * c-common.c: PROTO -> PARAMS.
4077 * c-common.h: Likewise.
4078 * c-decl.c: Likewise.
4079 * c-iterate.c: Likewise.
4080 * c-lang.c: Likewise.
4081 * c-lex.c: Likewise.
4082 * c-lex.h: Likewise.
4083 * c-parse.in: Likewise.
4084 * c-pragma.c: Likewise.
4085 * c-pragma.h: Likewise.
4086 * c-tree.h: Likewise.
4087 * c-typeck.c: Likewise.
4088 * objc/objc-act.c: Likewise.
4089 * objc/objc-act.h: Likewise.
4091 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4093 * m88k-protos.h: New file.
4095 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
4098 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
4100 * m88k.md: Likewise.
4102 * tekXD88.h: Likewise.
4104 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4106 * m68k-protos.h: New file.
4108 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
4111 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
4113 * mot3300.h: Likewise.
4115 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
4117 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
4119 (extract_bitlist): Declare bitlen.
4121 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
4123 * cccp.c: Accept and ignore -lang-fortran.
4125 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
4126 qualifiers don't match at any level of pointerness.
4128 2000-01-12 Robert Lipe <robertl@sco.com>
4130 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
4132 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
4134 * reload1.c (reload_reg_unavailable): New static variable.
4135 (reload_reg_free_p): Test it.
4136 (reload_reg_free_for_value_p): Test it instead of
4138 (choose_reload_regs_init): Compute it.
4140 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
4142 * reorg.c (fill_slots_from_thread): Check modified_in_p
4145 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
4147 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
4148 these nodes even if INTERNALS is not set.
4150 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
4152 * gcse.c (delete_null_pointer_checks_1): Cope when
4153 get_condition cannot determine the condition.
4155 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
4157 * toplev.h (set_message_length): Declare.
4159 * diagnostic.c (obstack_chunk_alloc): Define macro.
4160 (obstack_chunk_free): Likewise.
4161 (struct output_buffer): New data structure.
4163 (output_maximum_width): New variable.
4164 (doing_line_wrapping, set_message_length, init_output_buffer,
4165 get_output_prefix, output_space_left, emit_output_prefix,
4166 output_newline, output_append, output_puts, dump_output,
4167 vbuild_message_string, build_message_string, build_location_prefix,
4168 voutput_notice, output_printf, line_wrapper_printf,
4169 vline_wrapper_message_with_location): New functions. Implement
4170 automatic line wrapping.
4171 (v_message_with_decl): Make it handle automatic line wrapping.
4172 (v_error_with_file_and_line): Likewise.
4173 (v_warning_with_file_and_line): Likewise.
4174 (announce_function): Likewise.
4175 (default_print_error_function): Likewise.
4177 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
4179 * cpplib.h (struct cpp_options): Change lang_asm to char.
4181 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
4182 done in cpp_handle_option now.
4183 (initialize_builtins): Take out special case code used only by
4185 (cpp_handle_option): Turn off trigraphs and trigraph warnings
4186 if -traditional. Recognize -lang-fortran and set
4187 lang_fortran, also turn off cplusplus_comments.
4188 (print_help): Document -lang-fortran.
4189 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
4190 lang_asm. Ignore all directives other than `# 123 "file"' if
4192 (cpp_get_token): If -traditional, don't recognize directives
4193 unless the # is in column 1.
4194 (parse_string): If lang_fortran or lang_asm, silently
4195 terminate strings ('' or "") at end of line.
4196 Remove unnecessary braces.
4198 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4199 Richard Henderson <rth@cygnus.com>
4201 * resource.c (mark_referenced_resources): Mark a set strict_low_part
4203 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
4204 strict_low_part when possible.
4206 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4208 * alias.c: PROTO -> PARAMS.
4209 * basic-block.h: Likewise.
4210 * bitmap.c: Likewise.
4211 * bitmap.h: Likewise.
4212 * builtins.c: Likewise.
4213 * c-aux-info.c: Likewise.
4214 * caller-save.c: Likewise.
4215 * calls.c: Likewise.
4217 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4219 * Makefile.in (toplev.o): Depend on regs.h.
4221 * output.h (tdesc_section): Prototype.
4223 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
4225 * sdbout.c: Include "tm_p.h".
4227 * toplev.c: Include "regs.h".
4229 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
4231 * unroll.c (unroll_loop): Add EH support.
4233 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4235 * pa-protos.h: New file.
4237 * pa.c: Include recog.h and tm_p.h.
4238 (compute_zdepwi_operands, compute_movstrsi_length,
4239 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
4240 find_addr_reg, import_milli): Add static prototypes.
4241 (pa_cpu_string, pa_arch_string): Constify a char*.
4242 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
4243 (read_only_operand): Add argument `mode'.
4244 (singlemove_string, output_move_double, output_fp_move_double,
4245 output_block_move, output_and, output_ior, output_ascii,
4246 remove_useless_addtr_insns, milli_names, output_mul_insn,
4247 output_div_insn, output_mod_insn, output_arg_descriptor,
4248 output_cbranch, output_bb, output_bvb, output_dbra, ,
4249 output_millicode_call, output_call, hppa_encode_label,
4250 output_parallel_movb, output_parallel_addb): Constify a char*.
4251 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
4252 (output_parallel_addb): Remove extra arg to `constrain_operands'
4254 * pa.h: Move all prototypes to pa-protos.h.
4255 (pa_cpu_string, pa_arch_string): Constify a char*.
4256 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
4258 * pa.md: Call `function_label_operand' with mode argument.
4259 Likewise for `read_only_operand'.
4260 Fix nesting of parens in call to `symbolic_operand'.
4262 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4264 * i860-protos.h: New file.
4266 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
4269 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
4271 * i860.md: Likewise.
4273 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
4275 * i386.md (movstrsi expander): Rewrite.
4276 (movstrsi_1 insn): Deleted.
4277 (strmovhi, strmovqi expander): New expanders.
4278 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
4279 * i386.c (x86_single_stringop): New global variable.
4280 * i386.h (x86_single_stringop): Declare.
4281 (TARGET_SINGLE_STRINGOP): New macro.
4283 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
4285 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
4286 integer vararg POSTINCREMENT before the destination of the jump
4287 for the hard fp case.
4288 (function_arg_pass_by_reference): Pass a copy of CUM to
4291 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
4292 for CONSTANT_ADDRESS_P above while loop for subreg.
4294 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
4296 * flow.c (propagate_block): When a prologue/epilogue insn
4297 is marked dead, unconditionally clear libcall_is_dead and
4298 insn_is_dead, and only dump rtl if warnings aren't being
4301 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
4303 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
4304 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
4305 (FIXED_REGISTERS): Set dirflag as fixed.
4306 (CALL_USED_REGISTERS): Set dirflag as used.
4307 (REG_ALLOC_ORDER): Set dirflag as last one.
4308 (DIRFLAG_REG): New macro.
4309 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
4310 (HI_REGISTER_NAMES): Add dirflag.
4311 (DEBUF_PRINT_REG): Handle dirflag.
4312 * i386.md (type attribute): New cld and str types.
4313 (length_opcode attribute): Set cld and str to 1.
4314 (memory attribute): Set str to unknown - it is not clear from the
4316 (pent_np function unit): Prefixed string operations takes 12 cycles
4317 minimally; cld takes 2 cycles.
4318 (ppro_uops attribute): Str is "many" and cld is "few".
4319 (ppro_p0 unit): Handle cld here.
4320 (k6_alux unit): Handle cld and str types.
4321 (k6_load unit): It is ocupied by str opcodes.
4322 (k6_store unit): It is ocupied by str opcodes.
4323 (athlon_decode): Str is vector decoded.
4324 (athlon_ieu): Handle str and cld.
4326 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
4327 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
4328 cmpstrsi_nz_1 insn): Do not output cld instruction
4330 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
4332 * gcc.texi (G++ and GCC): Add Java and Chill.
4333 (Bug Critera): Don't list languages.
4335 * gcc.texi (Incompatibilities): No longer claim most C compilers
4338 * gcc.texi (G++ and GCC): Update other front-ends list.
4340 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
4342 * i386.c (ix86_expand_setcc): Fix typo.
4343 (ix86_expand_movcc): Similarly.
4345 * Band-aid until haifa's bitset implementation is nuked.
4346 * haifa-sched.c (extract_bitlst): New parameter for size of the
4347 bitset in bits. All callers changed. Avoid looking at undefined
4349 (edgeset_bitsize): New variable.
4350 (schedule_region): Initialize edgeset_bitsize.
4352 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4354 * Makefile.in (optabs.o): Depend on real.h
4355 (resource.o): Depend on insn-attr.h
4357 * builtins.c (result_vector): Wrap prototype in macro conditions
4358 governing definition and use.
4360 * c-common.c: Include tm_p.h.
4362 * c-lex.c: Likewise.
4364 * elfos.h: Constify a char*.
4366 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
4367 (get_attr_length, shorten_branches, profile_after_prologue): Mark
4368 parameter with ATTRIBUTE_UNUSED.
4370 * fold-const.c (exact_real_inverse): Wrap variable `i' in
4373 * haifa-sched.c (schedule_insns): Mark parameter with
4376 * optabs.c: Include real.h.
4378 * real.h (ereal_atof): Add prototype arguments.
4380 * resource.c: Include insn-attr.h.
4382 * sdbout.c (sdbout_queue_anonymous_type,
4383 sdbout_dequeue_anonymous_types): Wrap in macro
4384 SDB_ALLOW_FORWARD_REFERENCES.
4385 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
4388 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
4390 * stupid.c: Include tm_p.h.
4392 * tree.c (real_value_from_int_cst): Mark parameter with
4395 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4397 * i960-protos.h: New file.
4399 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
4402 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
4404 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4406 * combine.c (expand_field_assignment): Do not discard SUBREGs
4407 while computing nonzero_bits.
4409 2000-01-09 Nick Clifton <nickc@cygnus.com>
4411 * config/arm/arm.c: Fix compile time warnings about signed vs
4413 * config/arm/arm.h: Fix compile time warnings about signed vs
4416 2000-01-09 Philip Blundell <philb@gnu.org>
4418 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
4419 than `ldm' with only one register.
4420 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
4423 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
4426 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
4428 * config/ns32k/ns32k.md (load or push effective address): Operand 1
4431 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4433 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
4434 assignment used as truth value.
4436 * function.c (assign_temp): Mark parameter `dont_promote' with
4437 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
4438 PROMOTE_FOR_CALL_ONLY.
4440 * genrecog.c (write_subroutine): Mark variable `operands' with
4443 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
4446 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
4447 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
4449 * toplev.c (note_deferral_of_defined_inline_function): Likewise
4452 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4454 * config/c4x.h: Tidy up comments.
4455 * config/c4x.c: Likewise.
4457 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
4459 * fold-const.c (lshift_double, rshift_double): Handle
4460 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
4462 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4464 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
4465 in prepare_function_start().
4467 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
4469 * config/v850/v850.c (expand_epilogue): Interrupt functions no
4470 longer allocate extra stack for function calls.
4472 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4474 * config/c4x/c4x.md (*subqf3_set): Fix typo.
4476 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4478 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
4480 2000-01-07 David Edelsohn <edelsohn@gnu.org>
4482 * rs6000.c (processor_target_table): Add power3 as alias for 630.
4483 * aix43.h: Revert Aug 2 change.
4484 (HAS_INIT_SECTION): Define, not visible yet.
4485 (LD_INIT_SWITCH): Define, not visible yet.
4486 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
4488 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
4490 * collect2.c (main): Expand ld2 size further.
4491 (export_object_lst): Cast assignment to avoid warning.
4492 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
4493 (scan_prog_file, COFF): Do not collect initialization or
4494 finalization functions generated for entire shared object if
4495 init/fini support present.
4497 2000-01-07 Nick Clifton <nickc@cygnus.com>
4499 * config/elfos.h: Tidy up formatting of marcos. Make sure
4500 that .section directives are always prefixed by a tab.
4502 * config/svr4.h: Add #include "elfos.h" and remove duplicate
4505 2000-01-07 Matt Austern <austern@sgi.com>
4507 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
4510 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
4512 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
4514 (crtbegin.o, s-crtS): Likewise.
4516 2000-01-06 Richard Henderson <rth@cygnus.com>
4518 * alpha.md (adddi_2+1): Limit offset such that it will be
4519 loadable with a single ldah+lda pair.
4520 (adddi_2+2): Explicitly fail split if we can't make it work.
4522 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
4524 * protoize.c: Conditionally include unistd.h.
4525 (IS_SAME_PATH_CHAR): New macro.
4526 (IS_SAME_PATH): New macro.
4527 (CPLUS_FILE_SUFFIX): New macro.
4528 (cplus_suffix): New static variable.
4529 (is_abspath): New static function.
4530 (in_system_include_dir): Handle DOS style pathnames.
4531 (file_could_be_converted): Likewise.
4532 (file_normally_convertible): Likewise.
4533 (directory_specified_p): Likewise.
4534 (file_excluded_p): Likewise.
4535 (abspath): Likewise.
4536 (shortpath): Likewise.
4537 (referenced_file_is_newer): Likewise.
4538 (save_def_or_dec): Likewise.
4539 (do_processing): Likewise.
4541 (edit_file): Likewise. Use rename instead of link.
4542 (rename_c_file): Likewise. Don't rename syscalls file.
4543 (munge_compile_params): Define null device for DOS based systems.
4544 (process_aux_info_file): Use binary mode if appliable.
4545 (edit_file): Likewise.
4546 * invoke.texi (Running Protoize): Document C++ suffixes used.
4548 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
4549 IS_DIR_SEPARATOR macros.
4550 * collect2.c: Likewise.
4551 * cppinit.c: Likewise.
4552 * dwarf2out.c: Likewise.
4555 * prefix.c: Likewise.
4557 * toplev.c: Likewise.
4558 * system.h: And move to here.
4560 * prefix.c (update_path): Fix typo in variable name.
4562 2000-01-06 Richard Henderson <rth@cygnus.com>
4564 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
4565 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
4566 (count_reg_sets_1, count_reg_references): Likewise.
4567 (flow_loops_level_compute): Start counting actual loop depth at 1.
4568 (flow_loops_find): Likewise.
4569 * local-alloc.c (update_equiv_regs): Likewise.
4570 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
4572 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
4574 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
4575 FIRST_PSEUDO_REGISTER
4576 * dwarf2out.c: Don't include frame.h
4577 * dwarfout.c: Likewise
4578 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
4581 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
4583 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
4586 * i386.c (movsf splitter): Fix typo in my last checkin.
4588 2000-01-05 Nick Clifton <nickc@cygnus.com>
4590 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
4591 own definition of this macro.
4592 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
4593 flag_data_sections or UNIQUE_SECTION_P are true.
4595 * tm.texi (UNIQUE_SECTION): Document that it can be called for
4596 unitialised data decls.
4598 * config/i386/winnt.c (i386_pe_unique_section): Cope with
4599 being called for uninitialised data.
4601 * config/i386/interix.c (i386_pe_unique_section): Cope with
4602 being called for uninitialised data.
4604 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
4605 for uninitialised data.
4607 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
4608 for uninitialised data.
4610 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
4611 for uninitialised data.
4613 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
4614 (UNIQUE_SECTION_P): Always generate a unique section if
4615 flag_data_sections is true.
4616 (UNIQUE_SECTION): Also generate unique sections for
4618 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
4619 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
4622 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4624 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
4627 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4629 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
4630 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
4631 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
4632 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
4633 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
4635 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
4637 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
4639 * c-decl.c (finish_enum): Simplify code to determine minimum and
4640 maximum values of the enum, and calculate the type. Remove check
4641 for FUNCTION_DECLs in the values list, which cannot happen. Replace
4642 the DECL_INITIAL of each enumeration constant with a copy converted
4643 to the enumeration type. When updating variant types, don't bother
4644 updating the type itself.
4646 * c-typeck.c (build_binary_op): Simplify conditional expressions
4647 when weeding out spurious signed-unsigned warnings. Add new
4648 spurious warning category: if the unsigned quantity is an enum
4649 and its maximum value fits in signed_type(result_type). Update
4651 (build_conditional_expr): Warn here if one alternative is signed
4652 and the other is unsigned.
4654 2000-01-05 Nick Clifton <nickc@cygnus.com>
4656 * config/fr30/fr30.h: Remove extraneous comments.
4658 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
4660 * reload1.c (choose_reload_regs): When disabling a reload, also
4661 set reload_spill_index to -1.
4663 2000-01-04 Joel Sherrill (joel@OARcorp.com>
4665 * configure.in (m68*-*-rtemscoff*): New target, formal name for
4667 (m68*-*-rtemself*): New target.
4668 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
4669 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
4670 (sparc*-*-rtemself*): New target.
4671 (sparc*-*-rtems*): Now elf not a.out.
4672 * config/i386/rtems.h: Include config/rtems.h.
4673 * config/i386/rtemself.h: Include config/rtems.h.
4674 * config/i960/rtems.h: Include config/rtems.h.
4675 * config/m68k/rtems.h: Include config/rtems.h.
4676 * config/m68k/rtemself.h: Include config/rtems.h.
4677 * config/mips/rtems64.h: Include config/rtems.h.
4678 * config/pa/rtems.h: Include config/rtems.h.
4679 * config/rs6000/rtems.h: Include config/rtems.h.
4680 * config/sh/rtems.h: Include config/rtems.h.
4681 * config/sh/rtemself.h: Include config/rtems.h.
4682 * config/sparc/rtems.h: Include config/rtems.h.
4683 * config/sparc/rtemself.h: Include config/rtems.h
4685 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
4687 * final.c (shorten_branches): Correctly compute length of
4688 asms without operands.
4690 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
4692 * configure.in: Add pj target.
4693 * configure: Regenerate.
4694 * config/pj: New directory.
4695 * config/pj/lib1funcs.S: New file.
4696 * config/pj/linux.h: New file.
4697 * config/pj/pj.c: New file.
4698 * config/pj/pj.md: New file.
4699 * config/pj/pjl.h: New file.
4700 * config/pj/t-pj: New file.
4701 * config/pj/xm-pj.h: New file
4703 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
4705 * toplev.c (rest_of_compilation): Run shorten-branches before
4708 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4710 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
4711 macros so that they're consistent with their names.
4712 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
4713 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
4715 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4717 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
4718 modified inadvertently.
4720 2000-01-04 Joel Sherrill <joel@OARcorp.com>
4722 * configure.in (v850*-*-rtems*): New target.
4723 * configure: Regenerate.
4724 * config/v850/rtems.h: New file.
4726 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
4728 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
4729 (__gthread_key_create): Likewise.
4730 (__gthread_key_dtor): Likewise.
4731 (__gthread_once): Fix logic.
4732 (__gthread_key_delete): Cast away constness.
4734 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
4735 * invoke.texi: Document.
4736 * i386/mingw32.h (CPP_SPEC): Use.
4737 (LIBGCC_SPEC): Likewise.
4738 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
4740 2000-01-04 David Edelsohn <edelsohn@gnu.org>
4742 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
4743 (HANDLE_PRAGMA_PACK): Undefine.
4744 (SLOW_UNALIGNED_ACCESS): Define.
4746 2000-01-04 David Edelsohn <edelsohn@gnu.org>
4748 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
4749 to default definition.
4750 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
4751 (store_fixed_bit_field): Call macro with word_mode and alignment.
4752 (extract_bit_field): Call macro with relevant mode and alignment.
4753 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
4754 to default definition.
4755 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
4757 (move_by_pieces_ninsns): Likewise.
4758 (clear_by_pieces): Likewise.
4759 (emit_push_insn): Likewise.
4760 (store_field): Call macro with relevant mode and alignment.
4761 (expand_expr): Likewise.
4762 (expand_expr_unaligned): Likewise.
4764 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
4765 (SLOW_UNALIGNED_ACCESS): Define.
4766 (CASE_VECTOR_MODE): Always use 32-bit offsets.
4767 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
4768 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
4769 (toc_section): Likewise and .toc pseudo-op.
4770 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
4772 (TEXT_SECTION_ASM_OP): Likewise.
4773 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
4776 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
4777 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
4778 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
4779 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
4780 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
4782 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
4784 * regclass.c: Revert my Jan 4 change to loop cost computation.
4786 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
4788 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
4791 2000-01-04 Stan Cox <scox@cygnus.com>
4793 * haifa-sched.c (build_control_flow): Change unreachable simple
4794 loop test to check if current block has only one predecessor.
4795 (find_rgns): Initialize degree. Use dest as degree index, not src.
4797 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4799 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
4801 * calls.c (expand_call): Likewise for
4802 `old_stack_arg_under_construction'.
4804 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
4806 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
4809 * gcc.c (execute): Likewise for `ut' and `st'.
4811 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
4813 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
4815 * jump.c (jump_optimize_1): Likewise for `temp2'.
4817 * local-alloc.c (block_alloc): Likewise for `r1'.
4819 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
4821 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
4822 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
4824 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
4827 * reload.c (find_reloads): Likewise for `goal_alternative_number'
4828 and `goal_earlyclobber'.
4830 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
4832 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
4834 * stupid.c (stupid_life_analysis): Likewise for `chain'.
4836 * unroll.c (copy_loop_body): Likewise for `copy'.
4838 * varasm.c (output_constructor): Likewise for `byte'.
4840 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
4842 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
4843 all FP constants for constant->reg moves.
4844 (ix86_split_to_parts): Try to convert memory address into immediate
4845 when available in the constant pool.
4846 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
4848 (LEGITIMATE_CONSTANT_P): Return 1.
4849 * i386.md (pushsf): New splitter to convert constant pool memory
4850 reference to immediate.
4851 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
4854 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
4856 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
4857 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
4858 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
4859 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
4860 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
4862 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
4864 * ginclude/stdbool.h: Support compilation as C++.
4866 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4868 * fold-const.c (make_range): Don't try to reverse an unbounded range.
4870 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
4872 * regclass.c (regclass): Properly compute loop_cost. Adjust
4875 * regclass.c: Fix minor whitespace problems.
4877 2000-01-03 Anthony Green <green@cygnus.com>
4879 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
4880 Restore the pic register if required.
4882 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
4884 * c-common.c (format_char_info): Update comment.
4885 (check_format_info): Recognize 'z' modifier in the same way 'Z'
4886 was recognized. Emit warning for formats new in ISO C99 only
4887 if flag_isoc9x is not set.
4889 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
4891 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
4893 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
4895 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
4896 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
4897 (make_compound_operation): Choose cheaper alternative between
4898 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
4900 * regclass.c (op_costs): Remove global variable.
4901 (record_reg_classes): New parameter "op_costs" and "reg_pref".
4902 (record_operand_costs): Break out from ...
4903 (scan_one_insn): ... here.
4904 (dump_regclass): Make dumps nicer.
4905 (regclass): Dump preferrences choosed and changes done during passes.
4907 2000-01-03 Jakub Jelinek <jakub@redhat.com>
4909 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
4911 2000-01-03 Jakub Jelinek <jakub@redhat.com>
4913 * config/sparc/sparc.c (gen_df_reg): New function.
4914 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
4915 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
4916 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
4917 movtf_cc_reg_sp64+1): Use it.
4919 2000-01-02 Mark Mitchell <mark@codesourcery.com>
4921 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
4924 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
4926 * config/i386/i386.c (ix86_expand_unary_operator): Function
4927 definition made void.
4928 (ix86_expand_binary_operator): Update outdated preceding comment.
4929 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
4932 * config/i386/i386.c (override_options): Fix option-name typo.
4934 2000-01-02 Mark Mitchell <mark@codesourcery.com>
4936 * system.h (CEIL): Define.
4937 * builtins.c (CEIL): Remove.
4938 * expmed.c (CEIL): Likewise.
4939 * expr.c (CEIL): Likewise.
4940 * stor-layout.c (CEIL): Likewise.
4942 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4944 * expr.c (store_constructor_field): Fix typo introduced with last
4947 2000-01-01 Mark Mitchell <mark@codesourcery.com>
4949 * tree.h (BINFO_N_BASETYPES): New macro.
4951 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
4953 * expmed.c (emit_store_flag): Prevent losing a pending stack
4954 adjust the same way we prevent losing queued increments.
4956 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4958 * function.c (update_temp_slot_address): Handle case where sum of
4959 temporary address plus offset in register is a valid address.
4961 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4963 * genrecog.c (change_state) Corrected typo.
4965 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4967 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
4968 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
4969 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
4971 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
4973 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
4974 case, expand GT comparisons correctly. Fix a comment before this
4977 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
4979 * dwarfout.c: Include "frame.h"
4980 * dwarf2out.c: Likewise.
4981 * Makefile.in (dwarfout.o): Depend on frame.h
4982 (dwarf2out.o): Likewise.
4984 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
4986 Restore i386 binary compatibility in Dwarf EH info.
4987 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
4988 value of FIRST_PSEUDO_REGISTER.
4989 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
4990 (struct frame_state): Use DWARF_FRAME_REGISTERS.
4991 * dwarfout.c (output_reg_number): Ditto.
4992 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
4993 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
4995 1999-12-29 Bruce Korb <autogen@linuxbox.com>
4997 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
4998 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
4999 (<hack>_RE_CT): not needed
5000 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
5001 rewritten to scan the file text once only
5002 "template<..." test added
5003 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
5004 (is_cxx_header): declaration added
5005 * fixinc/fixtests.c(is_cxx_header): removed
5006 (apply_fix_p_t): removed
5007 (double_slash_test): is_cxx_header is only called once now
5008 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
5009 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
5010 within the templates.
5011 The borken spelling of "broken" was fixed.
5012 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
5013 The default level depends on FIXINC_DEBUG.
5015 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5017 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
5018 Otherwise provide a declaration for atexit.
5019 (init_dummy): Make sure dummy call to atexit is nevertheless
5020 called with correct number of args.
5022 * frame.c: Update comments referring to other files.
5024 * libgcc2.c: Likewise.
5026 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5028 * cse.c (free_element, get_element): Remove unused prototypes.
5030 * fold-const.c (extract_muldiv): Initialize variables `op0' and
5033 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
5036 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
5038 * configure.in,configure: case arm for mn10200-*-* now sets
5039 float_format=i32 so that float.h will correctly claim "double"
5040 to be 32 bits. Ran autoconf to generate configure from .in file.
5042 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
5044 * pa.md (conditional zero): If op1 is a register, force it into
5045 the same register as op0.
5047 1999-12-28 Mark Mitchell <mark@codesourcery.com>
5049 * tree.h (BINFO_BASETYPES): Improve documentation.
5051 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5053 * configure.in (--enable-checking): Use a more portable `for'
5056 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5058 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
5059 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
5061 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
5064 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
5065 Delete descriptions.
5067 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
5068 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
5069 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
5070 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
5071 xm-svr4.h: Remove all instances of sys_siglist handling.
5073 1999-12-27 Jakub Jelinek <jakub@redhat.com>
5075 * config/sparc/sparc.md (cmp_zero_qi,
5076 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
5077 cmp_zero_extendqidi2_andcc_set): New patterns.
5079 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
5081 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
5082 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
5083 (fpgnulib.c, xfgnulib.c): Add rules.
5084 * m68k/t-mot3300-gas: Likewise.
5086 1999-12-27 Ian Lance Taylor <ian@zembu.com>
5088 * configure.in: Avoid [[ by using test and changequote. Add
5089 changequote required by 1999-12-14 change.
5090 * configure: Rebuild.
5092 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
5094 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
5096 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
5098 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
5099 * flow.c (find_use_as_address): Likewise.
5100 * function.c (fixup_var_refs_1): Likewise.
5101 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
5102 * jump.c (invert_exp, redirect_exp): Likewise.
5103 * loop.c (replace_call_address): Likewise.
5104 (count_nonfixed_reads): Likewise.
5105 * rtlanal.c (modified_between_p): Likewise.
5106 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
5107 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
5108 * unroll.c (remap_split_bivs): Likewise.
5110 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5112 * diagnostic.c (v_message_with_decl): Use .* format specifier
5113 instead of building the format specifier width manually.
5115 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
5116 determining whether to provide a prototype. Remove the
5117 sys_siglist clause in the conditional.
5119 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5121 * fold-const.c (operand_equal_p): Use memcmp to compare string
5123 Suggested by D. J. Bernstein
5125 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5127 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
5128 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5130 * config/mips/mips.h (TARGET_64BIT): Likewise.
5131 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
5132 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
5133 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
5134 dsps. Give routines proper names if SI/DI modes are not used.
5135 * longlong.h: Use DWunion instead of DIunion.
5137 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
5139 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
5140 GC_CHECKING, GC_ALWAYS_COLLECT.
5141 * configure.in: Allow --enable-checking with an argument
5142 listing check modes to enable.
5143 * config.in, configure: Rebuilt.
5144 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
5145 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
5146 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
5147 ENABLE_GC_ALWAYS_COLLECT.
5148 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
5150 * tree.h, tree.c: Change ENABLE_CHECKING to
5151 ENABLE_TREE_CHECKING throughout.
5153 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5155 * fold-const.c (fold_truthop): Properly check for FP RHS.
5157 1999-12-24 Mark Mitchell <mark@codesourcery.com>
5159 * toplev.h (note_deferall_of_defined_inline_function): Declare.
5160 * toplev.c (note_deferral_of_defined_inline_function): New
5161 function, split out from ...
5162 (rest_of_compilation): ... here. Use it.
5164 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5166 * expr.c (store_constructor): Don't call clear_storage if size is
5169 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5171 * Makefile.in (toplev.o): Depend on loop.h.
5173 * dwarfout.c: Include tm_p.h.
5175 * emit-rtl.c (restore_emit_status): Mark parameter with
5178 * final.c (final_scan_insn): Likewise.
5180 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
5181 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
5182 flow_depth_first_order_compute, flow_loop_pre_header_find,
5183 flow_loop_tree_node_add, flow_loops_tree_build,
5184 flow_loop_level_compute, flow_loops_level_compute,
5185 flow_loop_outside_edge_p): Add prototypes.
5186 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
5188 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
5189 Mark with ATTRIBUTE_NORETURN.
5191 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
5193 * local-alloc.c (no_conflict_p): Likewise.
5195 * loop.c (insert_bct): Hide definitions of variables with hidden
5197 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
5199 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
5200 with ATTRIBUTE_UNUSED.
5201 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
5202 (reg_scan): Likewise.
5204 * reload.c (find_reloads): Remove unused variables `changed'.
5206 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
5208 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
5209 Remove unused variable `insn'.
5211 * toplev.c: Include loop.h.
5212 (report_file_and_line): Remove unnecessary prototype.
5214 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
5216 * unroll.c (biv_total_increment): Likewise.
5218 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5220 * reload1.c (emit_input_reload_insns): Restore old behaviour
5221 wrt. 'special' reloads.
5223 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
5225 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
5226 hash.h. (cse.c): Don't depend on hashtab.h.
5228 * cse.c: Don't include hashtab.h.
5229 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
5231 * ggc-simple.c: Don't include hash.h.
5233 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
5235 * dwarf2out.c (add_abstract_origin_attribute): Call
5236 gen_abstract_function on our function context.
5238 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
5240 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
5242 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5244 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
5247 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5249 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
5250 constraints to "a!r".
5252 1999-12-21 Mark Mitchell <mark@codesourcery.com>
5254 * Makefile.in (calls.o): Depend on function.h.
5255 (alias.o): Likewise.
5257 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
5259 * reload1.c (emit_reload_insns): Break out code and variables into...
5260 (input_reload_insns, other_input_address_reload_insns,
5261 other_input_reload_insns, input_address_reload_insns,
5262 inpaddr_address_reload_insns, output_reload_insns,
5263 output_address_reload_insns, outaddr_address_reload_insns,
5264 operand_reload_insns, other_operand_reload_insns,
5265 other_output_reload_insns): ... new static variables, and...
5266 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
5267 do_output_reload): ... new functions.
5269 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5271 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
5273 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5275 * md.texi: Add c4x constraints documentation.
5277 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5279 * config/i386/dgux.c (struct option): Rename to
5280 lang_independent_option.
5281 (struct m_options): Add description field.
5282 (output_options): Rename option type, add sep declaration, output
5283 ix86_cpu_string and ix86_arch_string only if set.
5284 (output_file_start): Rename option type.
5286 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
5288 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
5290 (libgcc2.a): Similarly.
5292 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
5294 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
5295 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
5296 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
5298 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
5300 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
5301 Remove redundant initialization of "frexpon" and "expon".
5303 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5305 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
5307 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
5308 (store_constructor_field, expand_expr): Pass new arg.
5310 1999-12-20 Mark Mitchell <mark@codesourcery.com>
5312 * Makefile.in (explow.o): Depend on function.h.
5314 * stor-layout.c (set_sizetype): Fix typo.
5316 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
5318 * function.c (cfun): Renamed from current_function. All users
5320 * function.h (cfun): Rename declaration as well.
5322 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
5323 to be of type regset_head, not regset. All users changed by adding
5325 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
5327 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5329 * config/c4x/rtems.h: New file.
5331 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
5333 * reload1.c (spill_failure): Take class of failed reload as argument
5334 and print it. Caller changed.
5336 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5338 * rs6000.h (SUBTARGET_DEFAULT): New macro.
5339 (TARGET_SWITCHES): Allow subtargets to default switches.
5340 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
5342 1999-12-18 Mark Mitchell <mark@codesourcery.com>
5344 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
5347 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
5349 * cccp.c (main): Define __STDC_VERSION__ as necessary.
5350 * cppinit.c (cpp_handle_option): Likewise.
5352 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
5353 determine when to define.
5355 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
5357 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
5358 cmove with mismatched test and data modes.
5360 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
5362 * c-typeck.c (c_expand_start_case): Don't warn for long switch
5365 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5367 * alias.c: Minor reformatting.
5370 * stor-layout.c: Likewise.
5371 * fold-const.c: Likewise.
5372 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
5373 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
5375 (size_int_wide): Cache nodes even if garbage collecting.
5376 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
5377 of SAVE_EXPR has no side effects.
5378 * cse.c: Move a comment.
5379 * tree.c: Minor reformatting.
5380 (int_size_in_bytes): Return -1 if constant overflows.
5382 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5384 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
5386 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
5388 * objc/objc-parse.c: Regenerate. This file must be rebuilt
5389 after any change to c-parse.in, even if objc-parse.y didn't
5392 1999-12-18 David S. Miller <davem@redhat.com>
5394 * toplev.c (rest_of_compilation): Restore BLOCK tree
5395 reconstruction and branch shortening changes lost in
5396 December 18th change.
5398 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
5400 * config/arm/linux-elf.h: Change all instances of
5401 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
5402 * config/arm/uclinux-elf.h: Likewise.
5404 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
5406 * toplev.c (notice, vmessage, v_message_with_file_and_line,
5407 v_message_with_decl, file_and_line_for_asm,
5408 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
5409 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
5410 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
5411 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
5412 pfatal_with_name, fatal_io_error, need_error_newline,
5413 last_error_function, last_error_tick, announce_function,
5414 default_print_error_function, print_error_function,
5415 report_error_function, fnotice, error_with_file_and_line,
5416 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
5417 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
5418 warning_with_decl, warning_for_asm, warning, pedwarn,
5419 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
5421 (compile_file): Use fnotice instead of notice. Adjust call.
5423 * diagnostic.c: New file.
5425 * Makefile.in (OBJS): Include diagnostic.o
5426 (diagnostic.o): Define dependence.
5428 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5430 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
5433 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5435 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
5437 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
5439 * fixtests.c (is_cxx_header): New fn, split out of
5441 (else_endif_label): Allow "#endif // comment" in C++ headers,
5442 as determined by is_cxx_header.
5443 * fixfixes.c (else_endif_label_fix): Update comment.
5444 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
5446 * genfixes: Correct double thinko in commandline parsing.
5447 * hackshell.tpl: Generate correct sh syntax for bypass
5450 * inclhack.def (all): Whenever an inserted preprocessor
5451 conditional is split over multiple lines, use double
5452 backslashes in this file so the fixed header will be readable.
5454 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
5455 and add bypass entry for correct version of this header.
5456 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
5457 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
5459 (hpux8_bogus_inlines): New fix, split from...
5460 (ultrix_atof_param) ... here.
5461 (math_expression): Add bypass entry keyed to glibc comment
5462 indicating the problem has been dealt with; disable
5463 unnecessary sed operations; update commentary.
5464 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
5465 add select and bypass entries, simplify shell operation.
5466 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
5468 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
5469 ultrix_atof_param): Add select entry.
5470 (stdio_va_list, sunos_mather_decl): Add bypass entry.
5471 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
5472 comments with the fixes they describe.
5474 * c-parse.in (string action): Do not warn about ANSI string
5475 concatenation in system headers. Affects C parser only.
5476 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
5478 1999-12-16 Jakub Jelinek <jakub@redhat.com>
5480 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
5481 compiling libgcc2 the macro depends always on arch cpp defines.
5483 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
5485 * loop.c (insert_loop_mem): Don't record MEMs from inside
5488 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
5490 * regclass.c (regclass): Do not use flowgraph when not optimizing.
5492 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
5493 notes too, create one when replacement failed, attempt to simplify
5495 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
5498 1999-12-16 Mark Mitchell <mark@codesourcery.com>
5500 * crtstuff.c (__dso_handle): Declare.
5501 (__cxa_finalize): Likewise.
5502 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
5505 * invoke.texi: Document -fuse-cxa-atexit.
5507 * tree.h (ptr_type_node): Document.
5508 (const_ptr_type_node): Likewise.
5510 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5512 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
5513 (optimize_reg_copy_2): Likewise.
5514 (optimize_reg_copy_3): Likewise.
5515 (fixup_match_2): Likewise.
5516 (regmove_optimize): Likewise.
5517 (fixup_match_1): Liekwise.
5519 * i386.md (HI to SImode promoting splitters): Rewrite.
5520 (pushsf mem peep2): New.
5521 (testhi to andhi peep2): Remove.
5522 * i386.h (x86_promote_QImode): New.
5523 (TARGET_PROMOTE_QImode): New.
5524 (PREDICATE_CODES): Add promotable_binary_operator.
5525 * i386.c (x86_promote_QImode0: New.
5526 (promotable_binary_operator): New.
5527 * i386-protos.h (promotable_binary_operator): New.
5529 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
5531 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
5533 1999-12-16 Mark Mitchell <mark@codesourcery.com>
5535 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
5536 * function.c (insert_block_after_note): Remove.
5537 (retrofit_block): Likewise.
5538 (identify_blocks): Fix indentation.
5539 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
5540 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
5541 * function.h (insert_block_after_note): Remove prototype.
5542 (retrofit_block): Likewise.
5543 * integrate.c (expand_inline_function): Don't call
5544 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
5545 just expand_start_bindings. Use the block_map to remap old
5546 NOTE_BLOCKs to new ones.
5547 (integrate_decl_tree): Keep track of remapped blocks.
5548 * integrate.h (struct inline_remap): Add block_map.
5549 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
5550 NOTE_BLOCK on the notes.
5551 (expand_start_bindings): Rename to ...
5552 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
5553 (expand_end_bindings): Set NOTE_BLOCK.
5554 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
5555 reconstruct the BLOCK tree.
5556 * tree.h (expand_start_bindings): Macroize. Call ...
5557 (expand_start_bindings_and_block): New function.
5559 1999-12-16 Jakub Jelinek <jakub@redhat.com>
5561 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
5562 to match the format.
5564 1999-12-16 David S. Miller <davem@redhat.com>
5566 * expr.c (emit_move_insn_1): Only emit clobbers if one of
5567 the outputs is a SUBREG.
5568 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
5571 * config/sparc/sparc.c (epilogue_renumber): Add default case
5574 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5576 * toplev.c (rest_of_compilation): Run branch shortening after
5579 * regclass.c (loop_depth): Remove
5580 (scan_one_insn): Do not handle LOOP_NOTE insns.
5581 (regclass): Go through basic blocks and set loop_cost
5583 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
5585 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
5587 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5589 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
5590 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
5591 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
5593 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
5595 * loop.c (insert_loop_mem): Ignore memory clobbers.
5597 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
5600 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
5602 * profile.c: Remove redundant #include "output.h".
5604 * h8300.md (HImode preinc peephole): Fix typo.
5606 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
5608 * function.c (retrofit_block): Abort if we don't find a suitable insn.
5609 (insert_block_after_note): Abort if we don't have a previous block.
5610 Remove FN parameter.
5611 * function.h: Adjust.
5613 1999-12-15 Mark Mitchell <mark@codesourcery.com>
5615 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
5616 argument more than once.
5618 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
5620 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
5622 1999-12-15 Jakub Jelinek <jakub@redhat.com>
5624 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
5626 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5628 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
5629 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
5630 update stack_alignment_needed.
5631 (prepare_function_start): Initialize stack_alignment_needed
5632 * function.h (struct function): Add field stack_alignment_needed.
5634 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5636 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
5637 Handle live_throughout / dead_or_set instead of live_before /
5639 (save_call_clobbered_regs): Get register livenessinformation from
5640 chain->live_throughout.
5641 (add_stored_regs): New function.
5642 (insert_restore, insert_save): Add restored / saved registers to
5644 * global.c (reg_dies): New parameter chain.
5645 (reg_becomes_live): Third parameter is regs_set now.
5646 Changed all callers.
5647 (reg_dies): New parameter chain. Changed all callers.
5648 (build_insn_chain): Set live_throughout instead of
5649 live_before / live_after.
5650 * reload.h (struct insn_chain): Replace members live_before /
5651 live_after with live_throughout / dead_or_set.
5652 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
5653 instead of live_before / live_after.
5654 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
5655 (order_regs_for_reload, find_reg, finish_spills): Likewise.
5656 (choose_reload_regs_init): Likewise.
5657 * stupid.c (current_chain, find_clobbered_regs): Delete.
5658 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
5659 instead of chain->live_before / chain->live_after.
5660 (mark_hard_ref): New function.
5661 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
5663 1999-12-15 David S. Miller <davem@redhat.com>
5665 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
5667 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5669 * flow.c (calculate_loop_depth): Make global, remove prototype,
5670 rewrite to use new loop infrastructure.
5671 (find_basic_block): Remove calculate_loop_depth call.
5672 * toplev.c (rest_of_compilation): Call find_basic_block.
5673 * output.h (calculate_loop_depth): Declare.
5675 * flow.c (dump_flow_info): Dump loop_depth.
5676 (flow_loops_nodes_find): Increase loop_depth for basic block in the
5678 (flow_loops_find): Initialize the loop_depth for each basic block.
5680 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
5682 * tree.c (decl_function_context): Handle virtual functions.
5684 * tlink.c (scan_linker_output): Don't look in demangled name when
5685 looking for linker output keywords.
5687 * dwarfout.c (output_type): We can defer namespace-scope classes.
5689 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
5691 * regclass.c (record_reg_classes): Update comment for merging
5692 register class preferences in reg->reg copies. Tighten conditions
5693 for merging register class preferences in reg->reg copies.
5695 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
5697 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
5699 1999-12-14 Geoff Keating <geoffk@cygnus.com>
5701 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
5702 (INIT_SECTION_ASM_OP): Delete.
5703 (FINI_SECTION_ASM_OP): Delete.
5704 (STARTFILE_SPEC): Define to hold just crtbegin.o.
5706 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
5708 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
5709 the abstract origin wasn't emitted.
5711 * dwarf2out.c (class_scope_p): New fn.
5712 (gen_subprogram_die): Use it.
5713 (gen_variable_die): Use it. Tweak logic.
5714 (gen_struct_or_union_type_die): Check context_die to determine
5715 if we're function-local.
5716 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
5718 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
5720 * loop.c (check_dbra_loop): Can't reverse a biv that has
5723 1999-12-14 Nick Clifton <nickc@cygnus.com>
5725 * config/arm/arm.c: Add support for -mcpu=arm720 command line
5728 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5730 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
5731 for givs made from biv increments.
5733 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
5735 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
5736 * alpha.c (override_options): Recognize -mcpu=ev67.
5737 * alpha.h (CPP_CPU_EV67_SPEC): New.
5738 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
5739 (EXTRA_SPECS): Update.
5741 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
5743 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
5744 appropriate for -lang-c89 and -std=*.
5745 * cppinit.c (cpp_handle_option): Likewise.
5746 (new_pending_define): New, split out from cpp_handle_option.
5747 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
5748 or enable trigraphs for -ansi/-std=*.
5750 * ginclude/stdarg.h (__va_copy): New.
5751 (va_copy): Don't define for C89.
5753 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
5755 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
5756 for long long multiply-accumulate.
5758 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5760 * regclass.c (scan_one_insn): Set loop_cost to 1 when
5761 optimizing for size.
5763 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
5765 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
5766 if something changed. Back out that part of yesterday's changes.
5768 * loop.c (loop_max_reg): New static variable.
5769 (loop_optimize): Initialize it. Eliminate one unnecessary call to
5771 (scan_loop): Call reg_scan_update whenever we may have added new
5772 registers, and update loop_max_reg.
5774 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5776 * regclass.c (record_reg_classes): Do not do the copying preferrencing
5777 when source does not die.
5779 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
5781 1999-12-14 Jakub Jelinek <jakub@redhat.com>
5783 * config/sparc/linux64.h (TARGET_LIVE_G0,
5784 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
5786 * config/sparc/linux.h (TARGET_LIVE_G0,
5787 TARGET_BROKEN_SAVERESTORE): Likewise.
5788 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
5789 TARGET_BROKEN_SAVERESTORE): Likewise.
5791 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
5792 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
5794 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
5795 as sparc64 block profiling register.
5796 * config/sparc/sparc.c (sparc_override_options): Allow block
5797 profiling with -m32.
5798 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
5800 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
5801 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
5802 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
5804 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
5806 * config/sparc/sparc.h: Likewise.
5807 * config/sparc/xm-sysv4-64.h: Likewise.
5808 * config/float-sparc.h: Likewise.
5809 * glimits.h: Likewise.
5810 * longlong.h: Likewise.
5812 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
5813 (ASM_IDENTIFY_GCC): Remove.
5815 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
5817 * combine.c (combine_simplify_rtx): Don't make shared rtl.
5818 (simplify_logical): Likewise.
5820 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
5822 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
5823 * cppfiles.c (INO_T_EQ): Likewise.
5825 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
5827 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
5828 * i386/mingw32.h (LIB_SPEC): Likewise.
5829 (STARTFILE_SPEC): Likewise.
5830 * i386/uwin.h (LIB_SPEC): Likewise.
5831 (STARTFILE_SPEC): Likewise.
5833 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
5834 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
5836 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
5838 * combine.c (combine_simplify_rtx): Fix order of checks for
5839 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
5841 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
5843 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
5844 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
5846 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
5848 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
5850 * regclass.c (inv_reg_alloc_order): New array.
5851 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
5853 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
5854 counted_for_groups, counted_for_nongroups. Add fields rld and
5856 * reload.c (push_secondary_reload): Don't set nongroup field of
5858 (push_reload): Likewise.
5859 (find_reloads): Delete code to compute nongroup fields.
5860 * reload1.c (reload_insn_firstobj): New static variable.
5861 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
5863 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
5864 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
5865 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
5867 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
5869 (struct hard_reg_n_uses): Deleted.
5870 (potential_reload_regs): Deleted.
5871 (init_reload): Initialize spilled_pseudos and pseudos_counted.
5872 (reload): Don't try to allocate reload registers if we already know
5873 we have to make another pass. Call select_reload_regs. Free memory
5874 starting with reload_firstobj when starting another pass.
5875 Don't allocate spilled_pseudos.
5876 (calculate_needs_all_insns): Call copy_reloads for an insn that
5877 needs reloads; don't call calculate_needs.
5878 (spill_cost): New static array.
5879 (used_spill_regs_local): New static variable.
5880 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
5881 to compute potential_reload_regs.
5882 (find_reload_regs): Completely rewritten to use find_reg.
5883 (allocate_reload_reg): Don't test counted_for_groups or
5884 counted_for_nongroups. Lose NOERROR arg and code to give an error;
5886 (choose_reload_regs): Add fallback code that uses the existing
5887 register allocation from find_reload_regs.
5889 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
5891 * flow.c (create_edge_list): Cast xmalloc return value.
5893 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
5895 * doprnt.c: Remove incorrect comment closure.
5897 * cse.c: Fix a few minor whitespace goofs.
5899 1999-12-13 Don Bowman <don@pixstream.com>
5901 * mips/vxworks.h: Fix problem with comment termination.
5902 (EXTRA_SECTIONS): Add in_sbss.
5903 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
5905 1999-12-12 David S. Miller <davem@redhat.com>
5907 * cse.c (struct cse_reg_info): Add hash_next member,
5908 reorder rest of struct for better packing on 64-bit
5910 (cse_reg_info_tree): Kill.
5911 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
5912 REGHASH_FN): New custom pow2 hash mechanism.
5914 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
5915 use a pow2 hash table.
5916 (get_cse_reg_info): Rework to use new REGHASH.
5917 (new_basic_block): Likewise, use HASH_SIZE, and inline
5919 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
5920 and inline free_element call.
5921 (lookup_as_function, insert, flush_hash_table, invalidate,
5922 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
5923 invalidate_for_call, use_related_value, find_comparison_args,
5924 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
5925 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
5928 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
5930 * cse.c (cse_basic_block): Free qty_table consistently.
5932 1999-12-12 David S. Miller <davem@redhat.com>
5933 Jakub Jelinek <jakub@redhat.com>
5935 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
5936 SUBREGs by hand, gen the appropriate hard reg directly.
5937 (movtf reg/mem split): Likewise and alter_subreg on destination
5939 (movtf mem/reg split): Similarly.
5940 (movdf_cc_sp64): Rename from hidden pattern.
5941 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
5942 (movtf_cc_sp64, following split): New pattern and splitter.
5943 (movdf_cc_reg_sp64): Rename from hidden pattern.
5944 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
5946 (movtf_cc_reg_sp64, following split): New pattern and splitter.
5948 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
5950 * loop.c (load_mems): Don't hoist written floating point mem
5953 1999-12-12 Mark Mitchell <mark@codesourcery.com>
5955 * except.h (struct eh_queue): Add `next' pointer.
5956 (struct eh_status): Make x_ehqueue a pointer.
5957 (push_ehqueue): Declare.
5958 (pop_ehqueue): Likewise.
5959 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
5961 (expand_fixup_region_end): Likewise.
5962 (expand_leftover_cleanups): Likewise.
5963 (push_ehqueue): Define.
5964 (pop_ehqueue): Likewise.
5965 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
5966 than doing it inline.
5967 (expand_start_all_catch): Adjust now that ehqueue is a
5969 (mark_eh_queue): Mark all level of the queue.
5970 (mark_eh_status): Adjust now that ehqueue is a
5972 (init_eh_for_function): Allocate ehqueue.
5973 (free_eh_status): Free it.
5974 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
5975 expansion for a fixup.
5977 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5979 * gthr-single.h (__gthread_active_p): Add prototype arguments.
5981 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
5982 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
5983 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
5984 function_ptr, getpagesize, __enable_execute_stack,
5985 __enable_execute_stack, __clear_insn_cache,
5986 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
5987 _cleanup, _exit, __default_terminate, __terminate_func,
5988 __terminate, __empty, __throw, new_eh_context,
5989 eh_context_initialize, eh_context_static, eh_context_specific,
5990 get_eh_context, __get_eh_context, __get_eh_info,
5991 init_reg_size_table, eh_threads_initialize,
5992 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
5993 __unwinding_cleanup, throw_helper, __throw, __rethrow,
5994 __pure_virtual): Add prototype arguments.
5995 (__bb_exit_func): Cast a sizeof to long when comparing against one.
5996 Cast a signed value to unsigned long when comparing against one.
5997 (new_eh_context): Wrap in _GTHREADS macro.
5998 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
6000 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
6001 (throw_helper): Initialize variables `handler_p' and `pc_p'.
6003 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6005 * combine.c (record_promoted_value): Remove unused variable
6008 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
6010 * global.c (record_conflicts): Likewise for `j'.
6012 * genoutput.c (output_insn_data): Don't unnecessarily cast away
6015 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6017 * i386-protos.h (output_387_binary_op, output_fix_trunc,
6018 output_fp_compare): Constify a char*.
6020 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
6022 (override_options, ix86_comp_type_attributes, print_operand,
6023 output_387_binary_op, output_fix_trunc, output_fp_compare):
6025 (ix86_sched_reorder): Mark parameter `clock_var' with
6028 * i386.h (DEBUG_PRINT_REG): Constify a char*.
6030 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
6032 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
6033 operand, for use in the Java front-end.
6035 1999-12-10 Ben Collins <bcollins@debian.org>
6037 * configure.in: Fix typo for "-64" in 64bit as check.
6038 * configure: Rebuilt.
6040 1999-12-10 Jakub Jelinek <jakub@redhat.com>
6042 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
6045 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6047 * c-parse.in (string): With -Wtraditional, warn if ANSI string
6048 concatenation is utilized.
6050 * invoke.texi (-Wtraditional): Document it.
6052 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6054 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
6055 Cast a ptrdiff_t to long and pass it to printf with %ld.
6057 1999-12-10 Geoff Keating <geoffk@cygnus.com>
6059 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
6060 68881, we have no 68881 registers at all.
6061 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
6062 value in a 68881 register if it is available.
6064 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
6066 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
6067 for long long multiply-accumulate.
6069 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
6071 * loop.c (insert_loop_mem): Undo last change.
6073 1999-12-10 David S. Miller <davem@redhat.com>
6075 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
6077 * config/sparc/sparc-protos.h: Add them.
6078 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
6079 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
6080 constraints which use those helpers.
6081 (EXTRA_CONSTRAINT): Use this new macro.
6082 * md.texi: Update sparc target constraints documentation.
6083 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
6084 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
6085 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
6086 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
6087 (movsf high/lo_sum split): Rework for new patterns.
6088 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
6090 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6092 * c-common.c (c_common_nodes_and_builtins):
6093 Create __builtin_ptrdiff_t and __builtin_size_t.
6095 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
6097 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
6099 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6101 * regclass.c (globalize_reg): Re-instate test that allows
6102 fixed registers to be declared as a variable even after functions
6105 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6107 * i386.md (cpu attribute): Add "athlon".
6108 (athlon_decode): New attribute.
6109 (Athlon scheduling units definitions): New.
6110 (fcmp and shld patterns): Set athlon_decode to "vector".
6111 * i386.c (athlon_cost): New.
6113 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
6114 x86_use_sahf): Set for Athlon.
6115 (x86_use_fiop): Unset for Athlon.
6116 (override_options): Define Athlon alignments and "athlon" name.
6117 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
6118 * i386.h (TARGET_ATHLON): New.
6119 (enum processor_type): Add PROCESSOR_ATHLON.
6120 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
6122 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
6124 1999-12-09 Andreas Jaeger <aj@suse.de>
6126 * loop.c (record_biv): Declare parameter as int.
6128 * config/i386/i386-protos.h: Declare long_memory_operand.
6130 1999-12-09 Mark Mitchell <mark@codesourcery.com>
6132 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
6133 EXPR_WITH_FILE_LOCATION.
6135 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6137 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
6140 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
6142 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
6145 1999-12-09 Jakub Jelinek <jakub@redhat.com>
6147 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
6148 default on linux64 again.
6149 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
6150 models for multilibing.
6151 * genmultilib: Accept | as alternative separator within a set in
6154 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
6156 * calls.c (precompute_arguments): Make sure initial_value contains
6157 value pseudo which CSE expects.
6158 * cse.c (struct set): New entry orig_src.
6159 (cse_insn): Set it early on entry, use it for libcall EQUIV note
6162 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
6164 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
6166 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
6168 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
6170 1999-12-08 Jakub Jelinek <jakub@redhat.com>
6172 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
6173 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
6175 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
6178 * longlong.h: Merge in changes from glibc.
6179 Also don't clobber %g2 register in 32bit SPARC assembly, so that
6180 -mno-app-regs libgcc can be compiled.
6181 * libgcc2.c: Add defines so that the updated longlong.h
6182 can be used in libgcc2.a. Also, make sure on most architectures
6183 (at least on all which have optimized code in longlong.h defined
6184 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
6186 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6188 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
6189 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
6190 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
6192 * configure: Rebuilt.
6194 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
6196 * alpha.c (secondary_reload_class): For !BWX, sub-simode
6197 outputs require a register.
6199 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
6201 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
6202 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
6203 functions like dptoul will be resolved.
6204 (libgcc2.a): Make sure that the object files from DPBIT are named
6205 differently (prefix `_dp') from those that would be coming from
6208 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
6210 * configure.in: When target is sparc* and tm_file contains 64,
6211 test for 64bit support in assembler. If not supported, remove
6212 sparc/t-sol2-64 from target-dependent Makefile fragments.
6213 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
6214 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
6215 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
6216 * acconfig.h (AS_SPARC64_FLAG): Added.
6217 * configure, config.in: Rebuilt.
6218 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
6219 support. Use AS_SPARC64_FLAG.
6221 1999-12-07 Jakub Jelinek <jakub@redhat.com>
6223 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
6224 suitable for holding OFmode values so that gcc works with complex
6226 (hard_64bit_mode_classes): Likewise.
6228 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
6229 so that it is actually matched.
6230 (sethi_di_medlow): Likewise.
6232 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
6233 as legitimate constant if -mvis.
6234 * config/sparc/sparc.md (movtf): Likewise.
6235 (clear_sf): Use const_double_operand.
6236 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
6238 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
6239 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
6240 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
6241 routines, _Qp_* cannot be handled like that now.
6242 (INIT_TARGET_OPTABS): Likewise.
6243 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
6244 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
6245 sparc_emit_float_lib_cmp if ARCH64 and soft float.
6246 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
6247 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
6248 divtf3, sqrttf3): New expanders.
6249 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
6250 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
6251 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
6254 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
6255 * configure: Rebuilt.
6256 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
6257 -mcpu is given and we're doing 64bit compiles.
6259 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
6261 * loop.h (struct induction): Add multi_insn_incr.
6262 * loop.c (basic_induction_var): New multi_insn_incr argument.
6263 Set it if we search back through previous insns for the biv.
6264 (record_biv): New multi_insn_incr argument; fill in struct induction.
6265 (strength_reduce): Discard an iv with multiple bivs, any of
6266 which require multiple insns to increment.
6268 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6270 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
6273 1999-12-06 David S. Miller <davem@redhat.com>
6275 * combine.c (check_promoted_subreg): Do not conditionalize this upon
6276 PROMOTE_FUNCTION_RETURN.
6278 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
6280 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
6281 and handle REG_UNUSED note on insn.
6283 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
6284 inner_mask instead of mask.
6286 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
6288 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
6289 zero if there was an error.
6291 1999-12-06 Jakub Jelinek <jakub@redhat.com>
6293 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
6296 * longlong.h: Fix clobbers in SPARC asm statements.
6298 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
6299 valid sethi operations when TARGET_ARCH64.
6301 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
6302 always use move_by_pieces to avoid infinite recursion.
6303 (restore_fixed_argument_area): Likewise.
6305 * combine.c (check_promoted_subreg, record_promoted_value): New
6307 (combine_instructions): Use them to retain nonzero and sign bit
6308 information after SUBREGs are eliminated by optimizations in
6309 this pass if PROMOTE_FUNCTION_RETURN.
6311 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
6312 .register declaration. Don't use variables with __ prefixes.
6314 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6316 * fold-const.c (optimize_bit_field_compare): Only use one mode
6317 for both RHS and LHS in non-constant case.
6319 1999-12-06 Nathan Sidwell <nathan@acm.org>
6321 * frame.c (start_fde_sort): Only allocate erratic array, if
6322 linear one was allocated. Return allocated flag.
6323 (fde_insert): Only insert, if there's a valid array.
6324 (fde_end_sort): Split, sort and merge if linear and erratic
6325 arrays exist, else just sort linear one.
6326 (search_fdes): New function. Linear search through original fde
6328 (frame_init): Permit multiple initializations. Cope with
6330 (find_fde): Fallback on linear search, if failed to sort array.
6331 (__deregister_frame_info): Only free sorted array, if we
6334 1999-12-06 Jakub Jelinek <jakub@redhat.com>
6336 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
6338 1999-12-05 Jakub Jelinek <jakub@redhat.com>
6340 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
6342 1999-12-05 Mark Mitchell <mark@codesourcery.com>
6344 * tree.h (special_function_p): Declare.
6345 * calls.c (special_function_p): Make it global. Don't take `name'
6346 as a parameter. Fix typo in 1999-11-28 change.
6347 (expand_cal): Adjust.
6349 1999-12-04 Mark Mitchell <mark@codesourcery.com>
6351 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
6352 * tree.h (EXPR_WFL_FILENAME): Define in terms of
6353 EXPR_WFL_FILENAME_NODE.
6354 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
6356 * print-tree.c (print_note): Print TREE_PRIVATE and
6359 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
6360 the original die cannot be found.
6362 * varray.h (varray_head_tag): Add elements_used.
6363 (VARRAY_PUSH): New macro.
6364 (VARRAY_POP): Likewise.
6365 (VARRAY_TOP): Likewise.
6366 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
6368 * varray.c (varray_init): Initialize elements_used.
6369 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
6370 (INTEGRATE_H): New variable.
6371 (integrate.o): Depend on INTEGRATE_H.
6372 (unroll.o): Likewise.
6374 * function.h (insert_block_after_note): Declare.
6375 * function.c (insert_block_after_note): Split out from ...
6376 (retrofit_block): ... here.
6378 * stmt.c (expand_fixup): Fix typo in comment.
6380 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6382 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
6383 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
6384 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
6385 (regmove_optimize, fixup_match_1): Likewise.
6387 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6389 * flow.c (flow_loops_dump): Add missing argument when calling
6392 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
6393 Greg McGary <gkm@gnu.org>
6395 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
6396 (init_attributes): Add A_NO_LIMIT_STACK.
6397 (decl_attributes): Handle A_NO_LIMIT_STACK.
6398 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
6399 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
6400 Handle stack bounds checking.
6401 * flags.h (flag_stack_check): Use the word 'probe' rather than
6402 'check', because the flag doesn't actually cause any checking to
6404 * function.c (expand_function_start): Set
6405 current_function_limit_stack.
6406 * function.h (struct function): Add limit_stack.
6407 (current_function_limit_stack): Define.
6408 * invoke.texi (Code Gen Options): Document new options.
6409 * rtl.h: Declare stack_limit_rtx.
6410 * toplev.c (stack_limit_rtx): New variable.
6411 (decode_f_option): Handle new options -fstack-limit-register=REG,
6412 -fstack-limit-symbol=IDENT, -fno-stack-limit.
6413 (main): Add stack_limit_rtx as GC root.
6414 * tree.h (DECL_NO_LIMIT_STACK): New macro.
6415 (struct tree_decl): New member no_limit_stack.
6417 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
6419 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
6420 (conditional_trap+1): Get new mnemonic correct.
6421 (conditional_trap+2): New pattern for DImode traps.
6423 * config/m68k/m68k.c (output_function_prologue): Handle
6425 * config/m68k/m68k.md (trap): New insn.
6426 (conditional_trap): New insn.
6427 * md.texi (Standard Names): Document `trap' and
6429 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
6430 so a cc0 setter doesn't get emitted at some random place in the
6433 * config/i960/i960.md (trap): New insn.
6434 (conditional_trap): New expander.
6435 (conditional_trap+1, conditional_trap+2): New insns for signed
6437 * config/i960/i960.c (i960_function_prologue): Use
6438 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
6440 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
6441 Geoffrey Keating <geoffk@cygnus.com>
6443 * flags.h (warn_padded, warn_packed): Add global var decls.
6444 * toplev.c (warn_padded, warn_packed): Add global var defns.
6445 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
6446 * stor-layout.c (layout_record): Add local variable `type'
6447 to hold often-used TREE_TYPE (field). Add local variable
6448 `unpacked_align' to hold alignment that would be in force
6449 if no `packed' attribute were present. Warn if `packed' attribute
6450 is unnecessary, or even harmful. Warn when gcc inserts padding
6451 to satisfy alignment requirements of members. Use NULL_TREE
6452 when checking whether var_size is set.
6453 * invoke.texi: Document new flags.
6455 1999-12-03 Nathan Sidwell <nathan@acm.org>
6457 * frame.c (fde_split): Reimplement to avoid variable sized array.
6459 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6461 * combine.c (try_combine): Before fixing up LOG_LINKS for the
6462 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
6464 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
6466 * invoke.texi: Document the mips option -mno-crt0
6468 1999-12-02 Mike Karr <mkarr@mathworks.com>
6470 * cccp.c (argdata): Added free_ptr member.
6471 (macroexpand): Initialize free_ptr of each argument. When an
6472 argument's buffers are freed, if the argument's free_ptr corresponds
6473 to a buffer on the input stack, then return the free_ptr to that stack
6474 frame, otherwise, free it.
6475 (macarg): If an argument begins and ends on the same input stack level,
6476 then transfer the free_ptr of that buffer to the argument in case
6477 the stack is popped during the processing of a subsequent argument.
6479 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
6481 * loop.c (note_reg_stored): New function.
6482 (struct note_reg_stored_arg): New structure.
6483 (try_copy_prop): Change to be more conservative; only replace within
6484 one extended basic block and stop replacing if a store to the
6485 replacement reg is seen.
6487 1999-12-02 Nick Clifton <nickc@cygnus.com>
6489 * config/fp-bit.c: Initialise all fields of the NAN
6492 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
6495 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
6497 * i386.md (extend?f?f2): Force the input into a register, not
6500 1999-12-01 Jakub Jelinek <jakub@redhat.com>
6502 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
6504 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
6505 alternative because setting up 64bit constant is usually costly,
6506 especially when reload is in progress or completed.
6507 (movdf_const_intreg_sp64): Likewise.
6508 (movdf_const_intreg split): Fix building up constants when
6509 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
6511 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
6513 * combine.c (if_then_else_cond): Use const_true_rtx instead of
6514 const1_rtx for return values in EQ/NE comparison against (const_int 0)
6517 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
6518 (asm_file_start): Emit .am33 into assembly file when compiling for
6520 (print_operand_address): Handle POST_INC addresses.
6521 (can_use_return_insn, initial_offset): Check AM33 registers too.
6522 (expand_prologue): Check & save AM33 registers too.
6523 (expand_epilogue): Similarly.
6524 (secondary_reload_class): Handle AM33 specific secondary reloads.
6525 (output_tst): Emit efficient code for the AM33 too.
6526 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
6527 (TARGET_SWITCHES): Add -mam33 switch.
6528 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
6529 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
6530 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
6531 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
6532 (enum reg_class, REG_CLASS_NAMES): Likewise.
6533 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
6534 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
6535 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
6536 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
6537 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
6538 (HAVE_POST_INCREMENT): Define.
6539 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
6540 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
6541 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
6542 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
6543 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
6544 (zero_extend to SI from QI/HI): Likewise.
6545 (sign_extend to SI from QI/HI): Likewise.
6546 (mulsidi3, umulsidi3): New patterns for the AM33.
6547 (tstsi with zero extension from QI/HI): Add AM33 variants.
6548 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
6549 (return_internal_regs, store_movm): Handle new AM33 registers.
6550 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
6551 (LIBGCC, INSTALL_LIBGCC): Likewise.
6552 * invoke.texi: Document new flags.
6554 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6556 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
6557 (addsi3_carry): Likewise.
6558 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
6559 (sbbsi3_carry): Likewise.
6560 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
6562 (test?i_1): Ensure that only one operand is memory.
6563 (conditional move patterns): likewise.
6564 (shift and rotate patterns): Rewrite to expander, add
6565 "binary_operator_ok" to the condition.
6567 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
6568 * i386.h (procesor_costs): Add movzbl_load field.
6569 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
6570 non-Q registers, accept DImode registers anywhere.
6572 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
6573 * i386.c (*_cost): Set value for movxbl_load field.
6575 * (addsi): New add to lea splitter.
6577 (lea to add/shift peep2): New.
6579 1999-12-01 Mark Salter <msalter@cygnus.com>
6581 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
6582 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
6583 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
6585 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6587 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
6588 * i386.md (movsi_xor): New.
6590 (movsi_1, movhi_1, movqi_1): Remove.
6591 (movsi_2): Rename to movsi_1.
6592 (movhi_2): Rename to movhi_1.
6593 (movqi_2): Rename to movqi_1.
6594 (movdi_1): Remove; remove splitter.
6595 (movdi_2): Rename to movdi_1.
6596 (divmodsi4 splitter): Do not emit clobbers for move patterns.
6597 (long move peep2): Do not create QI or HI mode mov0s
6598 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
6600 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
6603 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
6604 (abs?f2_if): Likewise.
6606 1999-11-30 Alex Samuel <samuel@codesourcery.com>
6608 * ggc.h (ggc_test_and_set_mark): New macro.
6609 (ggc_mark_rtx): Use ggc_test_and_set_mark.
6610 (ggc_mark_tree): Likewise.
6611 (ggc_mark_rtvec): Likewise.
6612 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
6614 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
6616 * dwarf2out.c (scope_die_for): Only handle types. Only search for
6618 (decl_scope_table): Just an array of trees now.
6619 (push_decl_scope): Simplify.
6620 (dwarf2out_init): Adjust.
6621 (local_scope_p): New fn.
6622 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
6623 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
6624 (gen_typedef_die): Likewise.
6625 (gen_lexical_block_die): Don't call push/pop_decl_scope.
6626 (gen_inlined_subroutine_die): Likewise.
6627 (gen_abstract_function): Set current_function_decl temporarily.
6628 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
6629 Handle block extern declarations. Don't call push/pop_decl_scope.
6630 (gen_decl_die): Fix logic for block externs.
6632 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6634 * calls.c (special_function_p): Remove `realloc' and add `strdup'
6635 to the list of functions which have attribute malloc by default.
6637 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6639 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
6640 integer constant does not match the traditional type, limit the
6641 warnings to cases where the base of the type is ten.
6643 * invoke.texi (-Wtraditional): Document it.
6645 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6647 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
6648 * rs6000.md: Only access a CONST_INT with INTVAL
6650 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
6652 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
6653 (compute_nearerout): Likewise.
6654 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
6655 size_t to unsigned long for formatting.
6657 1999-11-30 Jakub Jelinek <jakub@redhat.com>
6659 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
6660 Allow the user to override call-used/fixed state of %g2-5
6661 registers from the command line (with the exception of %g4 for
6663 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
6664 there is a higher chance of having a leaf function.
6665 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
6666 for ARCH64 which has %ccr register.
6667 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
6669 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
6670 insn accept into delay slot any insn which does not use %[ol]
6671 registers. Accept some LO_SUM and shift left by 1 for the normal
6673 (output_function_epilogue): Likewise.
6674 (epilogue_renumber): Added argument which inhibits any renumbering
6675 and just tests if the rtx does not use any %[ol] registers.
6676 (output_return): Reflect above change.
6678 1999-11-30 Jakub Jelinek <jakub@redhat.com>
6680 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
6681 aggregate passing for sizes <= 16 bytes.
6683 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
6685 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
6686 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
6687 * reload.c (find_dummy_reload): Likewise.
6688 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
6689 * reload1.c (reload_as_needed): Likewise.
6690 * stupid.c (stupid_find_reg): Likewise.
6691 * tm.texi (Obsolete Register Macros): Delete section.
6692 * gmicro.h: Remove all traces of the two macros.
6697 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
6699 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
6700 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
6701 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
6702 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
6703 units for the sparclite86x chip.
6704 (flush): Revert October 14th change; add SImode specifically.
6705 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
6706 * invoke.texi: Document it.
6708 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
6710 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
6711 psimode_truncation_operand.
6713 * config/mn10200/mn10200.c (psimode_truncation_operand): New
6714 function. Return true if the operand is either a MEM valid
6715 for a PSImode address or not a MEM at all.
6717 * config/mn10200/mn10200.md (truncsipsi2): Use
6718 psimode_truncation_operand.
6720 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6722 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
6723 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
6724 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
6725 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
6726 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
6727 (flow_loop_level_compute, low_loops_level_compute): Likewise.
6728 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
6729 * basic-block.h: Protect from multiple inclusion.
6730 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
6731 (struct loops, struct loop): Define structures.
6732 * sbitmap.c (sbitmap_a_subset_b_p): New function.
6733 * sbitmap.h: Protect from multiple inclusion.
6734 (sbitmap_a_subset_b_p): Add prototype.
6735 * Makefile.in (LOOP_H): New macro.
6736 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
6738 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
6740 * cppinit.c (CAT): The argument list of this macro may not contain
6743 1999-11-29 David S. Miller <davem@redhat.com>
6745 Move quantity tables and register equivalence chains into
6746 per-qty and per-register structure arrays respectively.
6747 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
6748 qty_const_insn, qty_comparison_code, qty_comparison_const,
6749 qty_comparison_qty): Delete, replace with...
6750 (qty_table): this structure table.
6751 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
6752 (reg_eqv_table): this structure table.
6753 (make_new_qty): Add argument MODE. Caller updated.
6754 Update to use qty_table and reg_eqv_table.
6755 (make_regs_eqv, delete_reg_equiv, insert_regs,
6756 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
6757 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
6758 cse_process_notes, cse_main, cse_basic_block): Likewise.
6760 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6762 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
6763 operation if C is negative.
6764 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
6765 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
6766 law for some divisions if constant is negative and change other
6767 divisions to the opposite rounding.
6769 * expr.c (store_constructor_field): If bit position is not multiple
6770 of alignment of TARGET's mode, use BLKmode.
6772 * expr.c (expand_expr_unaligned): Add more code from full case
6773 that is needed when OP0 is in a register.
6775 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6777 * dwarfout.c (field_byte_offset): Size can be zero if there was
6780 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
6782 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
6783 (associate_trees): Delete unused var TEM.
6784 (extract_muldiv): Delete unused var CANCEL_P.
6786 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
6787 (target_isinf, target_isnan, target_negative): Add return types to
6788 function definitions.
6790 1999-11-29 Bruce Korb <autogen@linuxbox.com>
6792 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
6793 * fixinc/hackshell.tpl: ditto
6794 * fixinc/fixtests.c(double_slash_test): more C++ header testing
6795 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
6797 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
6799 * reload.c (push_reload): When looking for a register to put into
6800 reg_rtx, make sure all hard regs in a multi-reg register are in the
6801 right class and nonfixed.
6803 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
6804 pending_read_insns, pending_write_insns, pending_read_mems,
6805 pending_write_mems, pending_list_length, last_pending_memory_flush,
6806 last_function_call, sched_before_next_call): Move static variables
6808 (bb_ prefixed versions): Replace with single array bb_deps.
6809 (struct deps): New structure.
6810 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
6811 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
6812 argument of type "struct deps *"; use that instead of global
6813 variables. All callers changed.
6814 (init_rgn_data_dependencies): Delete function.
6815 (init_rtx_vector): Delete function.
6816 (init_deps): New function.
6818 (free_pending_lists): Simplify, we always use the bb_deps array even
6819 if only one basic block.
6820 (compute_block_backward_dependences): Likewise.
6821 (schedule_region): Likewise.
6823 (propagate_deps): New function, broken out of
6824 compute_block_backward_dependences.
6825 (compute_block_backward_dependences): Use it.
6827 * alpha.md: Delete useless patterns that tried to work around
6828 register elimination problems.
6830 * unroll.c (loop_iterations): Don't abort if iteration variable
6833 From Joern Rennecke:
6834 * reload1.c (reloads_conflict): Reverse test comparing operand
6835 numbers when testing for conflict between output/outaddr reloads.
6837 1999-11-29 David S. Miller <davem@redhat.com>
6839 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
6841 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
6843 1999-11-28 Robert Lipe <robertl@cygnus.com>
6845 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
6846 table from .fini into .dtor.
6848 1999-11-28 Anthony Green <green@cygnus.com>
6850 * tree.h (struct tree_decl): Add malloc_flag.
6851 (DECL_IS_MALLOC): Define.
6852 * c-common.c (attrs): Add A_MALLOC attribute.
6853 (init_attributes): Add this attribute to the table.
6854 (decl_attributes): Handle malloc attribute.
6855 * calls.c (special_function_p): Check for the malloc attribute.
6856 * extend.texi (Function Attributes): Document malloc attribute.
6858 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
6860 * pa.md (reload shift-add patterns): Remove.
6862 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6864 * reorg.c (dbr_schedule) Print more statistics. Corrected
6865 problem when printing info when 3 delay slots are filled.
6867 1999-11-28 Jakub Jelinek <jakub@redhat.com>
6869 * combine.c (setup_incoming_promotions): Pass an outgoing
6870 regno to FUNCTION_ARG_REGNO_P which it expects.
6872 1999-11-28 Andreas Jaeger <aj@suse.de>
6874 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
6876 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
6878 * cccp.c (do_include): Avoid initialization of automatic variable.
6880 * integrate.c (mark_stores): Function definition made void, to match
6881 previous declaration.
6882 * regclass.c (dump_regclass): Ditto.
6883 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
6885 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6887 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
6888 known to be multiple of divisor.
6890 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
6892 * combine.c (try_combine): Add code to try to merge a set of a
6893 two-word pseudo to a constant with a setting of one of those words
6896 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
6897 (split_tree): Completely rework to make more general.
6898 (make_range, fold): Call negate_expr.
6899 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
6900 (fold, associate): Call new split_tree and associate_trees.
6901 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
6903 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
6905 * loop.c (try_copy_prop): Avoid GNU C extension.
6907 1999-11-25 Mark Mitchell <mark@codesourcery.com>
6909 * except.c (init_eh_for_function): Still zero eh_return_context,
6910 eh_return_stack_adjust, and eh_return_handler.
6912 * except.h (eh_status): Adjust documentation for x_protect_list.
6913 (begin_protect_partials): New function.
6914 * except.c (enqueue_eh_entry): Fix formatting.
6915 (get_first_handler): Add consistency check.
6916 (add_partial_entry): Adjust usage of protect_list.
6917 (emit_cleanup_handler): Save and restore ehqueue.
6918 (expand_start_all_catch): Add comment.
6919 (begin_protect_partials): New function.
6920 (end_protect_partials): Adjust usage of protect_list.
6921 (init_eh_for_function): Use xcalloc.
6923 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6925 * c-common.c (check_format_info): Don't call a variadic function
6926 with a non-literal format string.
6928 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
6930 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
6931 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
6934 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
6937 * collect2.c (collect_wait): Likewise.
6939 * dbxout.c (dbxout_type): Likewise.
6941 * gcc.c (do_spec_1): Likewise.
6943 * genemit.c (gen_insn, gen_expand): Likewise.
6945 * genrecog.c (write_switch, write_subroutine): Likewise.
6947 * mips-tfile.c (catch_signal, botch): Likewise.
6949 * print-rtl.c (print_rtx): Likewise.
6951 * toplev.c (default_print_error_function, report_error_function,
6952 _fatal_insn): Likewise.
6954 1999-11-25 Mark Mitchell <mark@codesourcery.com>
6956 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
6958 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6960 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
6961 operations when needed.
6962 * i386.md (fop_?f_comm): New.
6963 (fop_?f_1): Do not accept commutative operands.
6965 1999-11-25 Andreas Jaeger <aj@suse.de>
6967 * config/mips/mips.md (casesi_internal): Add missing brace.
6969 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
6971 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
6972 (splice_child_die): Handle moving a child DIE from the declaration
6973 DIE of a class to its specification.
6974 (gen_struct_or_union_type_die): Use 'complete' consistently.
6975 (gen_decl_die): Generate the virtual context DIE first.
6976 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
6978 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
6980 * config/mips/mips.md (call_value_multiple_interanal1): New.
6982 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
6984 * dwarf2out.c (free_AT, free_die): New fns.
6985 (remove_children): Call them.
6986 (output_line_info): Disable removal of duplicate notes.
6988 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
6989 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
6990 means pretend the type isn't defined.
6991 Don't defer emitting types.
6992 (gen_type_die_for_member): New fn.
6993 (gen_decl_die): Call it.
6994 (splice_child_die): New fn.
6995 (gen_member_die): Call it rather than generate duplicate dies.
6997 Defer emitting information for the abstract instance of an inline
6998 until we either inline it or emit an out-of-line copy.
6999 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
7000 from output_inline_function if DECL_ABSTRACT is also set.
7001 (block_ultimate_origin): Likewise.
7002 (gen_abstract_function): New fn.
7003 (gen_decl_die, gen_inlined_subroutine_die): Call it.
7004 (gen_subprogram_die): An abstract instance is not a declaration
7005 just because it doesn't match current_function_decl. Don't abort
7006 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
7007 has an abstract origin.
7008 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
7009 abstract instance here.
7011 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
7013 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
7014 where we need to reload fpul from a system register.
7016 1999-11-24 Andreas Jaeger <aj@suse.de>
7018 * config/mips/linux.h (CPP_PREDEFINES): Added.
7019 (LINK_SPEC): Remove -Y since this is only needed on sparc.
7021 1999-11-24 Andreas Jaeger <aj@suse.de>
7023 * config/mips/linux.h (TARGET_VERSION): Added.
7024 (HANDLE_SYSV_PRAGMA): Added.
7025 (DEFAULT_VTABLE_THUNKS): Added.
7027 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7029 * local-alloc.c (qty): New structure and static variable.
7030 (qty_phys_reg): Remove, all references changed to qty.
7031 (qty_n_refs): Likewise.
7032 (qty_min_class): Likewise.
7033 (qty_birth): Likewise.
7034 (qty_death): Likewise.
7035 (qty_size): Likewise.
7036 (qty_mode): Likewise.
7037 (qty_n_calls_crossed): Likewise.
7038 (qty_alternate_class): Likewise.
7039 (qty_changes_size): Likewise.
7040 (qty_first_reg): Likewise.
7041 (alloc_qty): Rename variable QTY to QTYNO.
7042 (finf_free_reg): Likewise.
7043 (local_alloc): Allocate qty, do not allocate the removed variables.
7045 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
7047 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
7048 when -membedded-pic is passed.
7050 * config/mips/mips.md (casesi): Handle 64-bit case too.
7051 (casesi_internal_di): New insn.
7053 * config/mips/mips.c (embedded_pic_offset): Always make the
7054 embedded-pic subtractions relative to the name of the current
7055 function by use of the magic string "..CURRENT_FUNCTION".
7056 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
7058 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
7060 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
7061 of (const_int 0), when what we really care about is
7062 whether it's a zero constant anyway.
7063 (div_trap_mips16): Likewise.
7065 1999-11-23 Mark Mitchell <mark@codesourcery.com>
7067 * loop.c (loop_optimize): Always find_loop_tree_blocks and
7068 unroll_block_trees when generating debuggable code.
7070 * tree.h (unsave_expr_1): New function.
7071 (lang_unsave): New variable.
7072 (get_callee_fndecl): New function.
7073 * tree.c (unsave_expr_now_r): New function.
7074 (lang_unsave): Define.
7075 (unsave_expr_1): Likewise.
7076 (unsave_expr_now_r): Split out from unsave_expr_now.
7077 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
7078 call unsave_expr_now_r.
7079 (get_callee_fndecl): Define.
7081 * Makefile.in (gencheck): Don't depend on lang_tree_files.
7082 (gencheck.o): Do depend on lang_tree_files.
7084 * integrate.h (copy_decl_for_inlining): New declaration.
7085 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
7086 (copy_decl_for_inlining): New function.
7087 (integrate_parm_decls): Use it.
7088 (integrate_decl_tree): Likewise.
7090 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
7092 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
7093 the second two from the first.
7094 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
7095 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
7096 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
7098 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
7099 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
7102 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
7104 * pa.md (call_internal_symref, call_value_internal_symref): No mode
7105 needed on the address operand.
7106 * pa.c (call_operand_address): Check for the correct mode.
7108 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
7110 * loop.c: Include "basic-block.h".
7111 (try_copy_prop, replace_loop_reg): New functions.
7112 (load_mems): Detect registers that just hold copies of the hoisted
7113 mem, and call try_copy_prop to eliminate them.
7114 * Makefile.in (loop.o): Update dependencies.
7116 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
7118 * Makefile.in (gencheck.o): Depend on gencheck.h.
7119 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
7120 (insn-peep.o): Depend on except.h and function.h.
7121 (insn-attrtab.o): Depend on RECOG_H.
7122 (insn-output.o): Depend on toplev.h and flags.h.
7123 (gengenrtl.o): Depend on real.h.
7124 (gen-protos.o): Depend on cpplib.h and cpphash.h.
7125 Unify all dependencies to be on RECOG_H rather than recog.h.
7127 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7129 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
7130 * configure.in: Try building a bi-arch 32/64-bit compiler on
7131 sparc-*-solaris2.7 and higher.
7132 * configure: Rebuild.
7134 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
7136 * config/freebsd.h: New, FreeBSD architecture independent file.
7137 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
7139 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
7140 directly by i386/freebsd.h.
7141 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
7142 independent configuration file.
7143 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
7144 directly by i386/freebsd.h.
7145 * configure: Rebuilt.
7147 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
7148 which is in the user's namespace.
7149 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
7150 `i386' which is not in our namespace.
7152 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
7154 * invoke.texi (ARM Options): Add in -mno-alignment-traps
7156 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
7158 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
7159 (add_dwarf_attr, add_child_die): Just push onto the front.
7160 (reverse_die_lists): New fn.
7161 (add_sibling_attributes): Use it.
7162 (push_decl_scope): Reorganize.
7163 (add_name_and_src_coords_attributes): Don't set file and line for
7165 (gen_subprogram_die): An artificial function doesn't need to match
7167 (gen_compile_unit_die): Return the generated die. Only add
7168 AT_comp_dir if the filename is relative.
7169 (remove_AT): Simplify loop. Also free string values.
7170 (output_die): A DIE ref can't be null.
7171 (output_value_format, value_format): Take a dw_attr_ref.
7172 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
7173 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
7174 AT_addr, AT_lbl): New fns.
7175 (various): Use them.
7176 (various): Constify.
7178 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7180 * combine.c (combine_simplify_rtx): When handling a SUBREG,
7181 take SUBREG_WORD into account.
7182 (if_then_else_cond): Likewise.
7184 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
7186 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
7187 clause from BSD license, pursuant with
7189 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
7191 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
7193 * loop.c (load_mems): Reformat slightly.
7194 * basic-block.h (regset_head): New typedef.
7195 (INIT_REG_SET): New macro.
7197 1999-11-22 Bruce Korb <autogen@linuxbox.com
7199 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
7200 (mips-dec-bsd*): non-functional code
7201 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
7203 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
7204 added three replacement fixes
7205 (no_double_slash): removed comments that are not (any longer) pertinent
7206 (bad_lval): this fix currently runs against many files.
7207 The comment seems to indicate that we should select for files
7208 containing 'pragma extern_prefix'.
7210 * fixinc/fixinc.x86-linux-gnu: deleted
7211 * fixinc/inclhack.sh: regen
7212 * fixinc/fixincl.x: regen
7213 * fixinc/fixincl.sh: regen
7215 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
7217 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
7218 its code is INSN and it has no notes.
7220 1999-11-22 Andrew Haley <aph@cygnus.com>
7222 * varasm.c (function_defined): Remove.
7223 (make_function_rtl): Don't set function_defined.
7224 (make_decl_rtl): Remove global register warning.
7225 * regclass.c (no_global_reg_vars): New variable.
7226 (globalize_reg): Warn if function has already been defined.
7227 (regclass_init): Set no_global_reg_vars.
7229 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7231 * regclass.c (reg_pref): New structure and static variable
7232 (prefclass): Delete.
7234 (all uses of prefclass and altclass): Use reg_pref instead.
7236 1999-11-21 Nick Clifton <nickc@cygnus.com>
7238 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
7240 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
7241 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
7242 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
7244 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
7246 * varasm.c (output_constructor): Solve problem with long long
7247 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
7249 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
7251 * global.c (allocno): New structure and static variable.
7252 (allocno_reg): Remove, all references replaced by allocno.
7253 (allocno_size): Likewise.
7254 (hard_reg_conflicts): Likewise.
7255 (hard_reg_preferences): Likewise.
7256 (hard_reg_copy_preferences): Likewise.
7257 (hard_reg_full_preferences): Likewise.
7258 (regs_someone_prefers): Likewise.
7259 (allocno_calls_crossed): Likewise.
7260 (allocno_n_refs): Likewise.
7261 (allocno_live_length): Likewise.
7262 (find_reg): Rename ALLOCNO to NUM.
7264 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
7266 (may_move_out_cost): New variable.
7267 (init_reg_sets_1): Initialize may_move_out_cost.
7268 (record_reg_classes): Use may_move_out_cost.
7270 * regclass.c (dump_regclass): New function.
7271 (regclass): New parameter DUMP, call DUMP_REGCLASS.
7272 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
7273 pass rtl_dump_file to regclass.
7274 * rtl.h (regclass): Update prototype.
7276 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
7278 * i386.md (neg, not and abs patterns): Revmap to use
7279 ix86_expand_unary_operator and ix86_unary_operator_ok.
7280 (add?f and sub?f expanders): Force operand 1 to register.
7281 * i386.c (ix86_expand_unary_operator): Rewrite.
7282 (ix86_unary_operator_ok): Ensure that memory operands
7284 (ix86_binary_operator_ok): Do not allow operand 1 to
7285 come into memory and operand 0 not.
7286 (ix86_expand_binary_operator): Ensure that
7287 src1 is not non-matching memory.
7289 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
7290 to support integer registers and memory.
7291 (abss?2_integer): Likewise.
7293 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
7294 (REG_CLASS_NAMES): Likewise.
7295 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
7297 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
7298 (movsf): Likewise; unify 4th and 5th alternative.
7300 (movdf_1): Likewise; rename to movdf_integer.
7301 (pushxf): Likewise; rename to pushxf_integer; fix output template;
7302 remove redundant splitter.
7303 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
7304 (movdf_nointeger): New.
7305 (movxf_nointeger): New.
7306 (pushxf_nointeger): New.
7308 * i386.md (extend?f?f): Split to expander and pattern, refuse two
7309 memory operands in patterns.
7310 (fop*): Refuse two memory operands.
7312 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
7313 on !TARGET_USE_CLTD CPUs.
7315 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
7317 * extend.texi: Document C++ restricted pointers and references.
7319 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
7321 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
7322 (invalidate_skipped_set): Call it unconditionally.
7323 (cse_set_around_loop): Likewise.
7325 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
7327 * rtl.texi (mem): Add documentation for alias-set argument
7330 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
7332 * i386.h (struct_processor_costs): New fields int_load, int_store,
7333 fp_move, fp_load and fp_store
7334 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
7336 (MEMORY_MOVE_COST): New macro.
7337 * i386.c (386_cost): Define new fields.
7338 (i486_cost): Likewise.
7339 (pentium_cost): Likewise.
7340 (pentiumpro_cost): Likewise.
7341 (k6_cost): Likewise.
7343 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
7344 Geoffrey Keating <geoffk@cygnus.com>
7346 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
7348 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
7351 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
7352 (TARGET_STRICT_ALIGNMENT): New macro.
7353 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
7354 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
7355 * invoke.texi (M680x0 Options): Document -mstrict-align.
7357 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
7358 Richard Henderson <rth@cygnus.com>
7360 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
7361 (ix86_split_long_move): Declare.
7362 * i386.c (split_xf, ix86_split_movdi): Remove.
7363 (ix86_split_to_parts, ix86_split_long_move): New.
7364 * i386.md (dimode move splitters): Use ix86_split_long_move.
7365 (dfmode move splitters): Likewise.
7366 (xfmode move splitters): Likewise.
7367 (movsf_1): Allow F->r.
7368 (movdf_1, movxf_1): Allow F->ro.
7370 1999-11-17 Mark Mitchell <mark@codesourcery.com>
7372 * except.h (struct eh_entry): Add goto_entry_p.
7373 (eh_region_from_symbol): Remove prototype.
7374 * except.c (find_func_region_from_symbol): New function.
7375 (emit_cleanup_handler): Likewise.
7376 (eh_region_from_symbol): Make it static.
7377 (add_new_handler): Verify the argument.
7378 (find_func_region): Update comment.
7379 (expand_eh_region_end): Expand handlers here, rater than waiting
7380 until expand_leftover_cleanups or start_all_catch.
7381 (expand_leftover_cleanups): Don't expand here.
7382 (expand_start_all_catch): Or here.
7383 (expand_rethrow): Check the return value from find_func_region.
7384 * function.c (expand_function_end): Emit the catch_clauses.
7386 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
7388 * integrate.c (expand_inline_function): Add necessary check for NULL.
7390 1999-11-18 Nick Clifton <nickc@cygnus.com>
7392 * toplev.c (main): Correctly detect an unrecognised option.
7394 * cppinit.c (cpp_handle_option): Do not claim to have consumed
7395 a -f option if it has not been recognised.
7397 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
7399 * basic-block.h (update_life_extent): Remove trailing comma on
7400 enumeration type list.
7402 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7404 * varasm.c (output_constructor) Solved problem with long long
7405 bitfields. Corrected calculating this_time and shift. Also
7406 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
7408 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
7410 * flow.c (split_edge): Take looping structure into account when
7411 determining where to put the new block note.
7413 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
7415 * Makefile.in (ggc-none.o): Provide host specific version if
7418 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
7420 * cse.c (delete_trivially_dead_insns): Identify no-op insns
7421 containing subregs too.
7423 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
7425 * invoke.texi: Add documentation for -muninit-const-in-rodata.
7426 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
7427 (TARGET_UNINIT_CONST_IN_RODATA): Define.
7428 (text_section): Add switches -munint-const-in-rodata and
7429 -mno-uninit-const-in-rodata.
7430 (ASM_OUTPUT_COMMON): Remove.
7431 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
7432 const objects should be placed in read-only data. Otherwise declare
7435 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
7437 * jump.c (jump_optimize_1): Revert last change.
7439 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
7441 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
7442 test if optimizing for size.
7444 1999-11-17 Mark Mitchell <mark@codesourcery.com>
7446 * Makefile.in (toplev.o): Depend on except.h.
7447 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
7449 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
7451 * i386.md (divmodsi4): Rewrite to expander.
7452 (*divmodsi4_nocltd): New.
7453 (*divmodsi4_cltd): New.
7454 (divmodsi4 splitter): Handle the case when input comes in edx.
7455 (udivmodhi4): Do not use constraints in exander.
7456 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
7458 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
7460 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
7461 for the common case.
7463 1999-11-16 Jakub Jelinek <jakub@redhat.com>
7465 * explow.c (hard_function_value): Add outgoing argument.
7466 * expr.h (hard_function_value): Declare it.
7467 * calls.c (expand_call, emit_library_call_value): Update callers.
7468 * function.c (aggregate_value_p): Ditto.
7469 (diddle_return_value): Must look at the outgoing registers
7470 on archs with register windows.
7472 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
7474 * alpha.c (alpha_build_va_list): Use make_lang_type and
7475 initialize TYPE_NAME for the va_list record.
7477 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
7479 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
7481 * ggc.h (struct ggc_statistics): Rearrange elements for better
7482 packing on 64-bit hosts.
7483 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
7484 (compute_nearerout): Likewise.
7486 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
7488 * config/rs6000/rs6000.c (first_reg_to_save): Save
7489 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
7491 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
7493 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
7494 notion of nesting to find the DIE for a type or function.
7495 DIEs can go in limbo even if we got a context_die.
7496 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
7497 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
7499 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
7500 (gen_type_die): Writing out the context doesn't cause member class
7501 template instantiations to be written out as well.
7503 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
7505 * rs6000.h (ASM_OUTPUT_DEF): New.
7506 Based on proposed addition from David Edelsohn.
7508 1999-11-15 Robert Lipe <RobertLipe@usa.net>
7509 Bruce Korb <autogen@linuxbox.com>
7511 * fixinc/inclhack.def
7512 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
7513 (unixware7_byteorder_fix): added. Removes conflicts for new defs
7515 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
7516 (svr4_endian): enabled with SVR5
7517 (svr4_mkdev): simplified syntax and enabled with SVR5
7519 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
7521 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
7522 * configure: Rebuilt.
7523 * config/t-freebsd-thread: New file.
7525 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
7527 * i386.c (ix86_decompose_address): Verify the base is a REG
7528 before trying to examine its register number.
7530 * basic-block.h: Remove all #defines and prototypes related to
7532 (free_bb_mem, compute_preds_succs): Remove prototype.
7533 * rtl.h (free_bb_mem): Remove prototype.
7534 * flow.c (alloc_int_list_node); Remove function.
7535 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
7536 (compute_preds_succs, free_bb_mem): Likewise.
7537 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
7538 * toplev.c (rest_of_compilation): Likewise.
7539 * haifa-sched.c (build_control_flow): Use flow generated edge
7540 list to build the haifa specific edge list.
7541 (find_rgns): Use new CFG data structures instead of pred/succ lists.
7542 (schedule_insns): Do not build pred/succ lists anymore. Instead
7543 build the edge table.
7545 * basic-block.h (dump_bb_data): Remove declaration.
7546 * flow.c (dump_bb_data): Remove function.
7547 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
7548 (sbitmap_union_of_predsucc): Likewise.
7550 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
7551 argument. All callers changed.
7552 (delete_null_pointer_checks_1): No longer need to compute the
7555 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
7556 All callers changed.
7557 (pre_expr_reaches_here_p_work): Likewise.
7558 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
7559 * lcm.c (compute_laterin): Fix initialization of LATER.
7560 (compute_nearerout): Similarly for NEARER.
7562 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7564 * cse.c (set_nonvarying_address_components): Delete unused function.
7565 (refers_to_p): Likewise.
7567 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
7569 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
7572 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7574 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
7575 definition in do while (0).
7577 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
7579 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
7581 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
7583 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
7585 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
7587 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
7588 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
7589 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
7590 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
7592 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
7593 saved on the stack. Output more accurate stack frame statistics
7594 into assembler file.
7596 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
7598 * genextract.c (record_insn_name): New function.
7599 (get_insn_name): No longer a stub.
7600 (main): Call record_insn_name for each insn. After each label
7601 written, print the insn name in a comment.
7603 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7605 * output.h (const_section, init_section, fini_section): Add
7608 * alpha/elf.h (const_section): Delete declaration.
7610 * svr4.h (const_section): Likewise.
7612 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
7614 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
7615 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
7616 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
7618 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
7619 variable-sized array bounds.
7621 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
7623 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
7626 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7628 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
7629 addresses the same way GO_IF_LEGITIMATE_INDEX does.
7631 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7633 * cse.c (hash_arg_in_struct): Delete.
7634 (struct table_elt): Delete elt in_struct.
7635 (struct set): Delete elt src_in_struct.
7636 (merge_equiv_classes): Don't set either hash_arg_in_struct or
7637 the corresponding in_struct elts.
7638 (canon_hash): Likewise.
7639 (safe_hash): Likewise.
7640 (find_best_addr): Likewise.
7641 (record_jump_cond): Likewise.
7642 (cse_insn): Likewise.
7644 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
7646 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
7648 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
7651 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
7653 * function.c (diddle_return_value): Put back check that the DECL_RTL
7654 for the function is a register.
7656 * function.c (diddle_return_value): Use hard_function_value to
7657 get an rtx suitable for use in the USE/CLOBBER insn.
7659 * global.c (global_conflicts): Update comments.
7660 (record_conflicts): No need to record conflicts between pseudos here.
7662 1999-11-11 Bruce Korb <autogen@linuxbox.com>
7664 * fixinc/fixincl.c: Added verbose levels for status messages
7666 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7668 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
7669 operand as argument to expand_and or expand_binop.
7671 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
7673 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
7674 gcc_add_string_root.
7676 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
7678 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
7680 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
7682 * flow.c (compute_flow_dominators): Initially put all blocks on
7684 * lcm.c (compute_antinout_edge, compute_available): Similarly.
7685 * gcse.c (compute_cprop_avinout): Remove.
7686 (compute_cprop_data): Use compute_available.
7687 (delete_null_pointer_checks_1): Use compute_available.
7689 * basic-block.h (compute_available): Returns a void now.
7690 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
7691 to return a value anymore.
7692 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
7693 worklists. Fix boundary cases. Compute maximal solutions.
7694 (compute_laterin, compute_nearerout): Similarly.
7696 * dwarf2out.c (add_AT_location_description): Allow
7697 (mem (plus (pseudo) (...)) too.
7699 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
7701 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
7703 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
7704 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7706 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
7708 * gansidecl.h: Likewise.
7714 * toplev.h: Likewise.
7720 * varray.c: Likewise.
7722 * varray.h: Likewise.
7724 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
7726 * gcov.c (struct arcdata): Add hits and total, remove prob.
7727 (output_branch_counts): New.
7728 (process_args): Set output_branch_counts if -c.
7729 (calculate_branch_probs): Store hits and total instead of
7731 (output_data): Emit counts if output_branch_counts is true.
7732 * gcov.texi (Invoking Gcov): Document -c switch..
7734 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
7736 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
7737 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
7739 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
7741 * invoke.texi (C Dialect Options): Add missing builtins from
7743 * extend.texi (Other Builtins): Copy to this list.
7745 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7747 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
7748 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
7751 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
7753 * flow.c (compute_flow_dominators): No longer treat basic block 0
7754 or (n_basic_blocks - 1) specially. Clear the AUX field before
7755 starting computation of doms/pdoms. Fix initial state for pdoms.
7757 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7759 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
7760 match rtl.o's: added ggc.h and toplev.h
7761 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
7762 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
7763 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
7765 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
7767 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
7768 from HAVE_DOS_BASED_FILESYSTEM.
7769 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
7770 HAVE_DOS_BASED_FILESYSTEM.
7772 (split_directories): Only special-case DOS file names if
7773 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
7774 instead of explicit tests. Conditionalize on !VMS.
7775 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
7776 tests. Conditionalize on !VMS.
7777 (process_command): Only use make_relative_prefix if !VMS.
7778 (free_split_directories): Conditionalize on !VMS.
7779 (DIR_UP): Conditionalize on !VMS.
7781 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
7783 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
7785 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
7787 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
7790 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
7792 * invoke.texi (Environment Variables): Document relative path
7794 * gcc.c (DIR_UP): If not defined, define as "..".
7795 (standard_bindir_prefix): New static, holds target location to
7797 (split_directories): New function to split a filename into
7798 component directories.
7799 (free_split_directories): New function, release memory allocated
7800 by split_directories.
7801 (make_relative_prefix): New function, make a relative pathname if
7802 the compiler is not in the expected location.
7803 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
7804 can figure out an appropriate prefix from argv[0].
7805 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
7806 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
7807 STANDARD_BINDIR_PREFIX.
7809 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7811 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
7813 * config/c4x/c4x.h: Moved prototypes to c4x.h.
7814 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
7815 c4x_secondary_memory_needed) Delete.
7816 (fp_zero_operand): Add mode argument.
7818 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
7820 * reload1.c (reload_reg_free_for_value_p): Don't use a register
7821 that is in reload_reg_used.
7823 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
7825 * config/arm/arm-protos.h: New file: Prototypes for functions
7826 defined in arm.c and pe.c.
7827 * config/arm/arm.h: Fix compile time warnings.
7828 * config/arm/arm.c: Fix compile time warnings.
7829 * config/arm/pe.h: Fix compile time warnings.
7830 * config/arm/aout.h: Fix compile time warnings.
7832 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
7834 * config/m32r/m32r-protos.h: New file: Prototypes for functions
7837 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
7838 Add support for subtargets.
7839 Add prototypes for new predicates.
7840 Add scheduling macros.
7842 * config/m32r/m32r.c: Fix compile time warnings.
7843 (int8_operand): New predicate function.
7844 (reg_or_cmp_int16_operand): New predicate function.
7845 (extend_operand): New predicate function.
7846 (m32r_adjust_code): New scheduling function.
7847 (m32r_adjust_priorty): New scheduling function.
7848 (m32r_sched_init): New scheduling function.
7849 (m32r_sched_reorder): New scheduling function.
7850 (m32r_sched_variable_issue): New scheduling function.
7851 (direct_return): New codegen function.
7852 (m32r_not_same_reg): New rtl testsing function.
7854 * config/m32r/m32r.md: Fix compile time warnings.
7855 Add support for pre decrement and post increment memory
7860 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7862 * global.c (EXECUTE_IF_CONFLICT): Don't define.
7863 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
7864 (find_reg): Likewise.
7866 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
7868 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
7869 to avoid assembler errors.
7871 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
7873 * config/v850/v850-protos.h: New file: Prototypes for functions
7875 * config/v850/v850.h: Move prototypes to v850-protos.h
7876 * config/v850/v850.c: Move prototypes to v850-protos.h
7877 * config/v850/v850.md: Fix compile time warnings.
7879 * config/fr30/fr30-protos.h: New file: Prototypes for functions
7881 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
7882 * config/fr30/fr30.c: Fix compile time warnings.
7883 * config/fr30/fr30.md: Fix compile time warnings.
7885 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
7887 * tree.h (get_containing_scope): Declare it.
7888 * tree.c (get_containing_scope): New fucntion.
7889 (decl_function_context): Use it.
7890 * toplev.c (rest_of_compilation): Use get_containing_scope.
7892 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7894 * Makefile.in (rtl.o): Depend on toplev.h.
7896 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
7898 * cse.c (delete_trivially_dead_insns): Replace alloca with
7900 * except.c (update_rethrow_references): Likewise.
7901 (init_eh_nesting_info): Likewise.
7902 * function.c (identify_blocks): Likewise.
7903 * gcse.c (dump_hash_table): Likewise.
7904 * graph.c (print_rtl_graph_with_bb): Likewise.
7905 * loop.c (combine_movables): Likewise.
7906 (move_movables): Likewise.
7907 (count_loop_regs_set): Likewise.
7908 (strength_reduce): Likewise.
7909 * profile.c (compute_branch_probabilities): New function, split
7911 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
7912 * regclass.c (regclass): Likewise.
7913 * regmove.c (regmove_optimize): Likewise.
7914 * toplev.c (compile_file): Likewise.
7915 (main): Don't mess with the stack rlimit.
7917 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
7919 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
7920 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
7922 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
7924 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
7926 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
7928 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
7929 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
7932 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
7934 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
7936 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
7938 * gcse.c (post_dominators): Kill.
7939 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
7940 (compute_code_hoist_data): Use compute_flow_dominators. Do not
7941 pass in a pdom array since we do not need pdoms.
7942 * haifa-sched.c (schedule_insns): Similarly.
7943 * flow.c (compute_dominators): Remove dead function.
7944 (compute_flow_dominators): Do not compute doms or pdoms if the
7945 caller does not request them. Split up loop to build doms and
7946 pdoms. Use a worklist to compute doms and pdoms.
7947 * basic-block.h (compute_dominators): Remove prototype.
7949 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
7951 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
7952 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
7953 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
7954 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
7955 (cant_move, fed_by_spec_load, is_load_insn): Remove.
7956 (schedule_region): Remove unused variable.
7957 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
7959 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
7961 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
7962 (update_equiv_regs): Likewise.
7963 (block_alloc): Likewise.
7964 * reg-stack.c (reg_to_stack): Likewise.
7965 (convert_regs_2): Likewise.
7966 * reload1.c (reload_as_needed): Likewise.
7968 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
7970 * Makefile.in (dbxout.o): Depend on ggc.h.
7971 (dwarf2out.o): Likewise.
7972 (xcoffout.o): Likewise.
7973 * dbxout.c: Include ggc.h.
7974 (dbxout_init): Register lastfile as a root.
7975 * dwarf2out.c: Include ggc.h.
7976 (dwarf2out_line): Register lastfile as a root.
7977 * xcoffout.c: Include ggc.h.
7978 (xcoffout_source_line): Register xcoff_lastfile as a root.
7980 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
7982 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
7984 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
7986 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
7988 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
7990 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7992 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
7993 (EXECUTE_IF_CONFLICT): Likewise.
7994 (ALLOCNO_LIVE_P): Avoid signed division.
7995 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
7996 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
7997 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
7999 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
8001 * haifa-sched.c (schedule_block): Don't crash if there's no
8002 next insn for an interblock movement.
8003 (add_branch_dependences): Don't allow clobber insns to move either.
8005 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
8007 * i386.c (split_xf): New.
8008 * i386-protos.h: Declare it.
8009 * i386.md (movxf_1): Add general regs alternatives.
8010 (movxf_1+1): New splitter for same.
8012 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
8014 * function.c (purge_addressof_1): Add missing return values.
8016 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
8018 * function.c (is_addressof): New function. Returns true if
8019 the given piece of RTL is an ADDRESSOF.
8020 (purge_addressof_1): Make boolean. Return false if the
8021 ADDRESSOFs could not be purged.
8022 (purge_addressof): If ADDRESSOFs could not be purged from the
8023 notes attached to an insn, remove the offending note(s),
8024 unless they are attached to a libcall.
8026 1999-11-05 Andreas Jaeger <aj@suse.de>
8028 * genoutput.c (null_operand =): Initialize all fields.
8030 * errors.h: Add extern to prototypes.
8032 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
8034 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
8035 * configure: Rebuilt.
8037 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8039 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
8040 (mirror_conflicts): New function.
8041 (global_alloc): Call it.
8042 (expand_preferences): Remove redundant CONFLICTP test.
8043 (find_reg, dump_conflicts): Likewise.
8044 (prune_preferences): Process conflicts one word at a time.
8046 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
8048 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
8049 instead of an explicit loop.
8051 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
8053 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
8054 if REG_RETVAL check succeeds, then put classp in src_elt.
8056 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
8058 * function.c (pad_to_arg_alignment): Only update argument_pad
8059 if the argument's alignment is greater than STACK_BOUNDARY.
8061 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
8063 * bitmap.h (BITMAP_XFREE): New.
8064 * flow.c (life_analysis): Use it.
8065 (life_analysis_1): Free blocks.
8067 * combine.c (undo_commit): New.
8068 (try_combine): Use it. Don't zap undobuf.undos.
8069 (combine_instructions): Don't zap undobuf.undos; free the
8072 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
8074 * stmt.c (cost_table_): New.
8075 (estimate_case_costs): Use it instead of xmalloc.
8077 * toplev.c (compile_file): Reuse dumpname memory instead
8080 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
8082 * reg-stack.c (convert_regs_1): Initialize target_stack->top
8083 after verifying an EH edge.
8085 * haifa-sched.c (init_rgn_data_dependences): Correctly
8086 size bb_pending_lists_length when zeroing.
8088 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
8090 * function.c (diddle_return_value): New.
8091 (expand_function_end): Use it.
8092 * stmt.c (expand_null_return): Likewise.
8093 (expand_value_return): Likewise.
8095 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
8097 * reload1.c (reload): Don't remove return value clobbers.
8099 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
8101 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
8103 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
8105 * cse.c (cse_main): Use xmalloc, not alloca.
8106 (cse_basic_block): Likewise.
8107 * local-alloc.c (local_alloc): Likewise.
8109 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
8110 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8112 * rtl.c: Include toplev.h.
8113 (fatal): Remove declaration.
8115 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
8117 * haifa-sched.c (schedule_block): Fix thinko.
8119 1999-11-03 James McKelvey <mckelvey@fafnir.com>
8121 * fixinc/fixincl.c(create_file): Allow for systems that do not have
8122 S_IR* defined values
8124 1999-11-03 Philippe De Muyter <phdm@macqel.be>
8126 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
8127 call `malloc' instead.
8129 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
8131 * flags.h (flag_renumber_insns): Declare.
8132 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
8134 * rtl.h (renumber_insns): Change prototype.
8135 * toplev.c (flag_renumber_insns): Define.
8136 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
8138 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
8140 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
8141 and fpsqrtd. Use them and create fdiv function unit to more
8142 accurately represent fpu sqrt pipeline semantics on UltraSparc.
8143 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
8145 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
8147 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
8149 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
8150 insn into ready list, do not use just a raw swap.
8152 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
8154 * rtl.h (renumber_insns): New function.
8155 (remove_unnecessary_notes): Likewise.
8156 * emit-rtl.c (renumber_insns): Define.
8157 (remove_unncessary_notes): Likewise.
8158 * toplev.c (rest_of_compilation): Remove dead code.
8159 Use renumber_insns and remove_unncessary_notes.
8161 * gcse.c (struct null_pointer_info): New type.
8162 (get_bitmap_width): New function.
8163 (current_block): Remove.
8164 (nonnull_local): Likewise.
8165 (nonnull_killed): Likewise.
8166 (invalidate_nonnull_info): Take a null_pointer_info as input.
8167 (delete_null_pointer_checks_1): New function.
8168 (delete_null_pointer_checks): Use it.
8170 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
8171 (split_edges): Likewise.
8172 (schedule_block): Likewise.
8173 (compute_block_backward_dependencies): Likewise.
8174 (schedule_region): Likewise.
8175 (schedule_insns): Likewise.
8177 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
8179 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
8180 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
8181 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
8182 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
8183 * jump.c (delete_unreferenced_labels): Don't delete if
8184 LABEL_ALTERNATE_NAME is set.
8185 * print-rtl.c (print_rtx): Dump alternate name.
8186 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
8187 * rtl.h (LABEL_ALTERNATE_NAME): Define.
8188 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
8189 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
8191 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8193 * fix-header.c (recognized_extern, recognized_function): Constify
8196 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
8197 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
8198 (compute_available): Remove unused variable `last'.
8199 (compute_nearerout): Remove unused variable `temp_bitmap'.
8200 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
8201 Remove unused variable `x'.
8203 * scan.h (recognized_function, recognized_extern): Constify a
8206 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
8208 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8210 * varasm.c (decode_rtx_const): Use XSTR to access the string
8213 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
8215 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
8217 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8219 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
8221 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
8223 * pa.c (ireg_operand): New function.
8224 * pa.h (PREDICATE_CODES): Handle ireg_operand.
8225 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
8226 Fix out of date comment.
8228 * pa.md (negdi2): Turn into expander + anonymous pattern.
8230 * reload.c (find_reloads): Fix typos in recent change.
8232 * dwarf2out.c: Do not include ctype.h.
8234 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8236 * regclass.c (record_reg_classes): Always use may_move_cost when
8237 seeing how operand fits with various register classes.
8239 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
8241 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
8242 * toplev.c: Revert Nov 1 13:22 change.
8244 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
8246 * config/pa/pa.md (height reduction patterns): Add checks for
8247 overlapping operands to avoid semantic-destroying splits for
8248 height reduction patterns.
8250 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8252 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
8253 have been an hyphen, fixed.
8254 * configure: Rebuilt.
8256 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
8258 * config/arm/tpe.h: Add prototypes for exported functions.
8259 * config/arm/pe.c: Fix compile time warnings.
8260 * config/arm/semi.h: Fix compile time warnings.
8261 * config/arm/arm.c: Fix compile time warnings.
8262 * config/arm/arm.h: Fix compile time warnings.
8263 * config/arm/arm.md: Fix compile time warnings.
8264 * config/arm/thumb.c: Fix compile time warnings.
8265 * config/arm/thumb.h: Fix compile time warnings.
8266 * config/arm/thumb.md: Fix compile time warnings.
8268 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
8270 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
8273 * unroll.c (unroll_loop): Remove LOOP notes when loop is
8274 completely unrolled.
8276 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8278 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
8280 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
8282 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
8283 * rtl.h (rtx_equal_p): Move prototype.
8284 * rtl.c (rtx_equal_function_value_matters): Move from
8286 (rtx_equal_p): Likewise.
8287 * rtlanal.c (rtx_equal_function_value_matters): Delete.
8288 (rtx_equal_p): Likewise.
8290 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
8292 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
8295 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
8297 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
8299 * pa.h (ADDR_VEC_ALIGN): Define.
8301 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
8302 notes when presented with "if (foo) break; end_of_loop" and
8303 the break sequence gets moved out of the loop.
8305 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
8306 Remove explicit zero initializations of entries within MAP.
8308 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
8310 * reg-stack.c (convert_regs_1): Handle EH edges specially.
8312 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
8314 * bitmap.h (BITMAP_XMALLOC): New macro.
8315 * flow.c (CLEAN_ALLOCA): Remove.
8316 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
8317 (life_analysis): Likewise.
8318 (update_life_info): Don't use CLEAN_ALLOCA.
8319 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
8320 (calculate_global_regs_live): Likewise.
8321 (print_rtl_with_bb): Likewise.
8322 (verify_flow_info): Likewise.
8323 * global.c (global_alloc): Likewise.
8324 (global_conflicts): Likewise.
8325 * integrate.c (save_for_inline_nocopy): Likewise.
8326 (expand_inline_function): Likewise.
8327 * jump.c (jump_optimize_1): Likewise.
8328 (duplicate_loop_exit_test): Likewise.
8329 (thread_jumps): Likewise.
8330 * loop.c (loop_optimize): Likewise.
8331 (combine_givs): Likewise.
8332 (recombine_givs): Likewise.
8333 * reorg.c (dbr_schedule): Likewise.
8334 * unroll.c (unroll_loop): Likewise.
8336 * combine.c (combine_instructions): Use xmalloc instead of alloca.
8338 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
8340 * toplev.c (rest_of_compilation): Don't optimize the CFG
8341 when rebuilding, just before dbr.
8343 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8345 * output.h (assemble_end_function, assemble_destructor,
8346 assemble_constructor, assemble_gc_entry, assemble_global,
8347 assemble_label, output_constant_pool) Constify a char*.
8349 * varasm.c (assemble_destructor, assemble_constructor,
8350 assemble_gc_entry, assemble_end_function, assemble_global,
8351 assemble_label, output_constant_pool): Likewise.
8353 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
8355 * config/arm/thumb.c (thumb_expand_prologue): Add comments
8356 explaining what is goin on in this function.
8358 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8360 * regclass.c (record_reg_classes): In matching case, recompute
8361 costs since the direction of movement is different.
8363 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
8365 * resource.c (mark_target_live_regs): For unconditional branches,
8366 the resources found at the branch target should be added to the
8367 resources found so far, not intersected.
8369 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
8371 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
8373 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
8374 (sys/mman.h): Include this file only if #HAVE_MMAP.
8375 (run_compiles): Initialize `esac_fmt' with one old KR string, not
8376 with automatically concatenated ANSI strings.
8378 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
8380 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
8381 (DIV_ROUND_UP): Robustify.
8382 (ggc_recalculate_in_use_p): New function.
8383 (release_pages): Don't inline it.
8384 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
8386 (ggc_pop_context): Use ggc_recalculate_in_use_p.
8387 (clear_marks): Always save in_use_p.
8388 (sweep_pages): Use ggc_recalculate_in_use_p.
8389 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
8390 Release pages before counting statistics.
8392 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
8394 * toplev.c (rest_of_compilation): Fix thinko in this change:
8396 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
8398 (rest_of_compilation): If inside an inlined external function,
8399 pretend we are just being declared.
8401 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
8403 * flow.c (calculate_global_regs_live): Fix thinko.
8405 * integrate.c (expand_inline_function): Fix bugs in previous
8406 change from Oct 28, 1999.
8408 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
8410 * stmt.c (expand_value_return): Fix typo in this change:
8412 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8413 (expand_value_return): Correctly convert VAL when promoting function
8414 return; support RETURN_REG being a PARALLEL.
8416 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
8418 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
8420 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8422 * hard-reg-set.h (reg_names): Constify a char*.
8424 * regclass.c (reg_names): Likewise.
8426 * regs.h (reg_names): Likewise
8428 * a29k/a29k.c (reg_names): Delete declaration.
8430 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
8432 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
8433 arc_output_function_epilogue): Likewise.
8435 * elxsi/elxsi.c (reg_names): Likewise.
8437 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
8439 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
8442 * m88k/m88k.c (output_function_profiler): Likewise.
8444 * sparc/sparc.c (sparc_flat_output_function_prologue,
8445 sparc_flat_output_function_epilogue): Likewise.
8447 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
8449 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
8450 warning from -Wuninitialized and put it under -W.
8451 * function.c (uninitialized_vars_warning): Warn only when the
8452 corresponding flag is set.
8454 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
8456 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
8457 is nonzero and the single set does not have an elt, then assign
8460 * simplify-rtx.c: New file.
8461 * Makefile.in (OBJS): Add simplify-rtx.o
8462 (simplify-rtx.o): Add dependencies.
8463 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
8464 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
8465 (cse_gen_binary, simplify_unary_operation): Delete.
8466 (simplify_binary_operation, simplify_plus_minus): Likewise.
8467 (check_fold_consts, simplify_relation_operation): Likewise.
8468 (simplify_ternary_operation): Likewise.
8469 (delete_trivially_dead_insns): Simplify the contents of the
8470 REG_EQUAL note before trying to substitute it into the source
8471 of the reg-reg copy at the end of a libcall sequence.
8473 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
8474 references/callers changed.
8476 * mn10200.c (mn10200_va_arg): Force the return value into a
8479 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
8481 * cccp.c (macroexpand): Avoid out of range accesses for omitted
8484 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
8486 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
8488 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
8490 * fold-const.c (fold): Fix thinko when optimizing comparisons
8493 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
8495 * gcc.texi (Passes): Update front-end files to their current
8498 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
8500 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
8501 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
8502 (PREDICATE_CODES): Add addition_operation.
8503 * alpha-protos.h (addition_operation): Declare.
8504 (secondary_reload_class): Likewise.
8505 * alpha.c (addition_operation): New.
8506 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
8507 * alpha.md (adddi3): Turn into expander.
8508 (*lda, *adddi_2): New.
8509 (movsf, movdf patterns): Don't preference integer regs.
8510 (movsi, movdi patterns): Don't preference fp regs.
8512 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
8514 * genrecog.c (write_switch): Check for duplicate CODE cases.
8516 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
8518 * ggc-common.c: Update pre-function commentary.
8519 * ggc-page.c: Likewise.
8521 (poison_pages): Use memset directly.
8522 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
8523 (ggc_collect): Poison before sweeping.
8524 * ggc-simple.c: Update pre-function commentary.
8525 (ggc_alloc_obj): Poison non-zeroed memory.
8527 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
8529 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
8530 match format string, even on 64-bit hosts.
8531 * gcc-page.c (ggc_page_print_statistics): Likewise.
8533 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
8535 * config/i386/i386.c (ix86_cpu): Revert last patch.
8536 * config/i386/i386.h (ix86_cpu): Ditto.
8538 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
8540 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
8541 TYPE_SIZE, convert type of result to sizetype.
8543 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
8545 * flow.c (count_or_remove_death_notes): Equate NULL with the
8548 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
8549 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
8552 * i386.c (pic_label_no): Delete.
8553 (ix86_attr_length_default): Don't use single_set to peek
8556 * recog.c (peephole2_optimize): Allow recog_next_insn to index
8557 the first insn after bb->end.
8558 * i386.md (push mem peeps): Scratch is live after evaluation
8560 (cmp mem peep): Similarly.
8562 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
8564 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
8565 * function.c (pad_to_arg_alignment): Add missing braces.
8567 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8569 * alpha/alpha-protos.h (literal_section): Add prototype.
8570 (alpha_need_linkage, alpha_start_function,alpha_end_function):
8573 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
8575 (alpha_start_function, alpha_end_function, float_strings,
8576 alpha_need_linkage): Constify a char*
8578 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
8580 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
8582 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
8584 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
8586 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8588 * flow.c (debug_flow_info): Add prototype.
8590 * gcc.c (main): Likewise.
8592 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
8595 * reload1.c (failed_reload, set_reload_reg): Likewise.
8597 * mips-tfile.c (main): Likewise.
8598 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
8599 with ATTRIBUTE_NORETURN.
8601 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
8603 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
8604 DECL is not a memory ref.
8606 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
8608 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
8609 * config/i386/i386.c (ix86_cpu): Add extern attribute.
8611 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
8613 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
8614 * config/mips/elf64.h: ditto.
8616 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
8618 * expr.c (emit_push_insn): New argument alignment_pad.
8619 Update all callers. Adjust stack pointer based on alignment pad.
8620 * function.c (pad_to_arg_alignment): New argument alignment_pad.
8621 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
8622 (locate_and_pad_parm): New argument alignment_pad. Update all
8624 * expr.h (emit_push_insn): Update prototype.
8625 (locate_and_pad_parm): Update prototype.
8626 * calls.c (arg_data): Add new field alignment_pad.
8627 (initialize_argument_information): Initialize alignment_pad.
8629 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
8631 * except.c (free_eh_nesting_info): Free the info itself.
8632 * function.c (free_after_compilation): Don't free NULL.
8633 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
8634 (pre_edge_insert): Free inserted.
8635 * stmt.c (free_stmt_status): Don't free NULL.
8637 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
8639 * gcov.c (DIR_SEPARATOR): Provide default.
8640 (output_data): Add test for MS-DOS format absolute filename.
8641 (fancy_abort): Correct program name.
8642 (open_files): Open all files in binary mode.
8643 * libgcc2.c (__bb_exit_func): Likewise.
8645 * profile.c (init_branch_prob): Specify binary when opening files.
8647 * flags.h (flag_unwind_tables): New decl.
8648 * toplev.c (flag_unwind_table): New definition.
8649 (f_options): Add -funwind-tables.
8650 (decode_g_option): Clarify warning when unknown -g option is given.
8651 (rest_of_compilation): If inside an inlined external function,
8652 pretend we are just being declared.
8654 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
8655 (dwarf2out_frame_finish): Likewise.
8657 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
8659 * fold-const.c (merge_ranges): If not in0, but in1, handle
8660 upper bounds equal like subset case.
8662 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
8664 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
8665 passed in a register but moved to the stack.
8667 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
8669 * gcc.c (pass_exit_codes, greatest_status): New variables.
8670 (struct option_map): Add entry for "--pass-exit-codes".
8671 (execute): Update greatest_status if error.
8672 (display_help): Add documentation for -pass-exit-codes.
8673 (process_command): Handle -pass-exit-codes.
8674 (main): Look at pass_exit_codes and greatest_status on call to exit.
8676 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8678 * reload.c (find_reloads): Refine test for no input reload
8679 case to not includes reloads emitted after insn.
8681 * function.c (find_temp_slots_from_address): Handle sum involving
8682 a register that points to a temp slot.
8683 (update_temp_slot_address): Make recursive call if both old and
8684 new are PLUS with a common operand.
8685 * calls.c (expand_call): Mark temp slot for result as having
8688 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
8690 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
8691 component as well as "BINUTILS".
8693 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
8694 * integrate.c (copy_rtx_and_substitute): Likewise.
8695 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
8696 All callers changed.
8697 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
8699 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
8700 gdb extensions, write size of type; also be more consistent
8701 in using references when this is a subtype.
8703 * pa.md (extv, extzv, insv): Use define_expand to reject constant
8704 that is out of range.
8706 * loop.c (unknown_constant_address_altered): New variable.
8707 (prescan_loop): Initialize it.
8708 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
8709 (invariant_p, case MEM): Remove handling for volatile and readonly;
8710 check new variable if readonly.
8711 (check_dbra_loop): Chdeck unknown_constant_address_altered.
8713 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
8714 (addr_affects_sp_p): Removed from note_mem_written and only
8715 define #ifdef AUTO_INC_DEC.
8717 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
8719 * regclass.c (record_reg_classes): Properly handle register move
8722 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
8723 Don't think valid if both operands are invalid.
8724 (struct constant_descriptor): New field RTL.
8725 (mark_const_hash_entry): Mark it.
8726 (record_constant{,_rtx}): Initialize it.
8727 (output_constant_def): Allocate RTL in permanent obstack and
8729 ({record,compare}_constant_1): Modes must match for
8730 CONSTRUCTOR of ARRAY_TYPE.
8732 * c-common.h (initializer_constant_valid_p): Delete decl from here.
8733 * output.h (initializer_constant_valid_p): Move decl to here.
8734 * c-common.c (initializer_constant_valid_p): Delete function from here.
8735 * varasm.c (initializer_constant_valid_p): Move function to here.
8737 * tree.h (STRIP_SIGN_NOPS): New macro.
8738 * fold-const.c (optimize_minmax_comparison): New function.
8739 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
8740 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
8741 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
8742 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
8743 widening conversions.
8744 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
8745 to look at size of mode, not precision of type; also add missing cases.
8746 (optimize_bit_field_compare, decode_field_reference): Don't try to
8747 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
8749 * dwarf2out.c (ctype.h): Include.
8750 (dwarf2out_set_demangle_name_func): New function.
8751 (size_of_line_info): Deleted.
8752 (output_line_info): Compute size of line info table from difference
8754 (base_type_die, add_name_attribute): Call demangle function, if any.
8755 (field_byte_offset): Use bits per word for variable length fields.
8756 (gen_array_type_die): Add array name.
8757 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
8758 (dwarf2out_add_library_unit_info): New function.
8760 * explow.c (set_stack_check_libfunc): New function.
8761 (stack_check_libfunc): New static variable.
8762 (probe_stack_range): Allow front-end to set up a libfunc to call.
8764 * combine.c (simplify_comparison): When making comparison in wider
8765 mode, check for having commuted an AND and a SUBREG.
8766 (contains_muldiv): New function.
8767 (try_combine): Call it when dividing a PARALLEL.
8768 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
8769 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
8771 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
8772 use one of the CLOBBERs instead.
8773 (if_then_else_cond): If comparing against zero, just return thing
8776 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
8777 Don't generate shifts and subtract if have conditional arithmetic.
8779 * rtl.h (delete_barrier): New declaration.
8780 * jump.c (jump_optimize): Set up to handle conditional call.
8781 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
8782 (delete_barrier): New function.
8784 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
8786 * recog.c (nonmemory_operand): Accept ADDRESSOF.
8788 * tree.c (build_type_attribute_variant): Push to obstack of
8789 ttype around type_hash_canon call.
8791 * expr.c (placeholder_list): Move decl to file scope.
8792 (expand_expr): Don't force access to volatile just because its
8794 If ignoring reference operations, just expand the operands.
8795 (expand_expr, case COMPONENT_REF): Propagate
8796 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
8797 Refine test for using bitfield operations vs pointer punning.
8798 (expand_expr, case CONVERT_EXPR): If converting to
8799 BLKmode UNION_TYPE from BLKmode, just return inner object.
8800 Use proper mode in store_field call.
8801 Properly set sizes of object to store and total size in store_field
8802 call for convert to union.
8803 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
8804 memory (like for ADDR_EXPR). Also, don't put constant in register if
8805 we'll want it in memory.
8806 (readonly_fields_p): New function.
8807 (expand_expr, case INDIRECT_REF): Call it if LHS.
8808 (expand_assignment): Handle a RESULT_DECL where
8809 DECL_RTL is a PARALLEL.
8810 (do_jump, case WITH_RECORD_EXPR): New case.
8811 (get_inner_reference): Always go inside a CONVERT_EXPR
8812 and NOP_EXPR if both modes are the same.
8813 (store_field): Use bitfield operations if size of bitsize is not same
8814 as size of RHS's type.
8815 Check for bitpos not a multiple of alignment in BLKmode case.
8816 Do block move in largest possible alignment.
8817 (store_constructor): Set BITSIZE to -1 for variable size and properly
8818 in case of array of BLKmode.
8819 (expand_expr_unaligned): New function.
8820 (do_compare_and_jump): Call it.
8822 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
8823 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
8824 does not include 'o'.
8826 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
8827 both SET_DEST and SET_SRC reference a virtual register.
8828 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
8830 * integrate.c (expand_inline_function): Handle case of setting
8831 virtual stack vars register (from built in setjmp); when parameter
8832 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
8833 (subst_constant): Add new parm, MEMONLY.
8834 (expand_inline_function, integrate_parm_decls): Pass new parm.
8835 (integrate_decl_tree): Likewise.
8836 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
8837 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
8838 (copy_rtx_and_substitute, case SET): Add explicit calls to
8839 copy_rtx_and_substitute for both sides.
8841 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
8843 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
8844 within INDEX_TYPE, instead of before.
8845 (fixup_gotos): Use f->target_rtl, not the next insn,
8846 since latter may be from a later fixup.
8847 (expand_value_return): Correctly convert VAL when promoting function
8848 return; support RETURN_REG being a PARALLEL.
8849 (expand_return): When checking for result in regs and having
8850 cleanup, consider PARALLEL in DECL_RTL as being in regs.
8852 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
8854 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
8855 last_nominal_fname): Mark const.
8856 (struct include_hash: name, nshort, control_macro): Mark
8858 (struct macrodef: symnam): Mark const.
8859 (struct if_stack: fname): Mark const.
8860 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
8861 (IStable): New character-syntax array which encompasses all
8862 the old is_foo arrays.
8863 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
8864 is_space): New macros for interrogating IStable.
8865 (check_macro_name): Kill last argument. All callers changed.
8867 * cppinit.c (initialize_char_syntax): Delete.
8868 (is_idchar, is_idstart, is_hor_space, is_space,
8869 trigraph_table): Delete.
8870 (IStable): New. Initialize with clever macros to avoid
8871 information duplication.
8872 (builtin_array): Table of builtins to get rid of explicit list
8873 in initialize_builtins.
8874 (initialize_builtins): Use builtins_array.
8875 (cpp_start_read): Call init_IStable, and set IStable['$'] if
8876 opts->dollars_in_ident.
8878 * cppexp.c: Change all refs to is_xyz[] arrays to use new
8880 (cpp_parse_expr): Avoid 'format string is not constant'
8881 warning. Use ISGRAPH to identify printable chars.
8882 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
8884 (read_and_prescan): Map trigraphs to chars with open-coded
8885 if-else-if-... sequence, not a lookup table.
8886 * cpphash.c: Change all refs to is_xyz[] arrays to use new
8888 * cpplib.c: Change all refs to is_xyz[] arrays to use new
8889 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
8890 (check_macro_name): Remove ability to report an invalid
8891 assertion name, which is never used.
8892 (do_line): Constify a couple of char *'s.
8893 * cppmain.c (main): Call cpp_cleanup before returning.
8895 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
8897 * ggc.h (struct ggc_statistics): New type.
8898 (ggc_get_size): New function.
8899 (ggc_print_statistics): Likewise.
8900 * ggc-common.c (ggc_stats): New variable.
8901 (ggc_mark_rtx_children): Keep statistics.
8902 (ggc_mark_tree_children): Likewise.
8903 (ggc_print_statistics): New function.
8904 * ggc-page.c (struct globals): Add bytes_mapped field.
8905 (alloc_anon): Update it.
8906 (release_pages): Likewise.
8907 (ggc_get_size): New function.
8908 (ggc_page_print_statistics): New function.
8909 * ggc-simple.c (ggc_get_size): New function.
8911 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
8913 * flow.c (propagate_block): When the last reference to a label
8914 before an ADDR_VEC is deleted because the reference is a dead
8915 store, delete the ADDR_VEC.
8917 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
8919 * resource.c (find_free_register): Don't use the frame pointer
8920 if frame_pointer_needed.
8922 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
8924 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
8925 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
8927 * config/i960/i960.c (i960_va_start): New locals base, num.
8928 Use INDIRECT_REF instead of ARRAY_REF on valist.
8929 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
8931 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
8933 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
8935 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
8937 * tree.def (PLACEHOLDER_EXPR): Update comments.
8939 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8941 * c-common.c (check_format_info): Avoid non-literal format string
8942 warnings when `first_arg_num' is zero.
8944 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8946 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
8948 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
8950 * arm.md (casesi_insn): Add a clobber of the condition code
8953 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
8955 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
8956 used by both cc1 and cc1plus.
8958 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
8960 * config/arm/arm.c: Initialise arm_structure_size_boundary to
8961 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
8962 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
8963 to the value 32 if it has not already been defined.
8964 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
8965 Override definition in arm.h with a value of 8.
8967 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
8969 * c-pragma.c (push_alignment): Don't check the return value
8972 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
8974 * sparc.h (ADJUST_COST): Fix thinko.
8976 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
8978 * cccp.c (rescan): Fixed obp pointer handling around call to
8979 check_expand subroutine.
8981 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
8983 * gcse.c (delete_null_pointer_checks): Only record non-null info
8984 for pseudos when examining stores.
8986 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
8987 splitters for these patterns. Use "#" for output templates.
8988 (addsi3_carryin_shift): New pattern.
8990 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
8992 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
8993 of the function return register into a plain REG until
8994 after function inlining is done.
8996 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
8998 * jump.c (jump_optimize_1): If we did cross-jumping, and
8999 the data will matter, rebuild the CFG.
9000 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
9001 not optimizing. Don't run shorten_branches.
9002 * toplev.c (rest_of_compilation): Run shorten_branches after
9005 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
9007 * rtl.h (note_stores): Add additional paramter.
9008 * rtlanal.c (reg_set_p_1): Take additional paramter.
9009 (reg_set_last_1): Likewise.
9010 (reg_set_p): Adjust call to note_stores.
9011 (reg_set_last): Likewise.
9012 (note_stores): Pass data parameter to worker function.
9013 * alias.c (record_set): Take additional parameter.
9014 (init_alias_analysis): Pass it.
9015 * caller-save.c (mark_set_regs): Take additional parameter.
9016 (save_call_clobbered_regs): Pass NULL to note_stores.
9017 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
9019 (record_dead_and_set_regs_1): Likewise.
9020 (reg_dead_at_p_1): Likewise.
9021 (combine_instructions): Adjust calls to note_stores.
9022 (try_combine): Likewise.
9023 (record_dead_insn): Remove.
9024 (record_dead_and_set_regs): Adjust calls to note_stores.
9025 (reg_dead_at_p): Likewise.
9026 * cse.c (invalidate_skipped_set): Take additional parameter.
9027 (cse_check_loop_start): Likewise.
9028 (cse_check_loop_start_value): Remove.
9029 (cse_set_around_loop): Adjust calls to note_stores.
9030 * flow.c (notice_stack_pointer_modification): Take additional
9031 parameter. Remove duplicate declaration.
9032 (record_volatile_insns): Adjust calls to note_stores.
9033 * gcse.c (record_set_info): Take additional parameter.
9034 (record_last_set_info): Likewise.
9035 (invalidate_nonnull_info): Likewise.
9036 (record_set_insn): Remove.
9037 (compute_sets): Adjust calls to note_stores.
9038 (last_set_insn): Remove.
9039 (compute_hash_table): Adjust calls to note_stores.
9040 (insert_insn_end_bb): Likewise.
9041 (delete_null_pointer_checks): Likewise.
9042 * global.c (mark_reg_store): Take additional parameter.
9043 (mark_reg_clobber): Likewise.
9044 (reg_becomes_live): Likewise.
9045 (global_conflicts): Adjust calls to note_stores.
9046 (build_insn_chain): Likewise.
9047 * integrate.c (note_modified_parmregs): Take additional parameter.
9048 (mark_stores): Likewise. Make it static.
9049 (save_for_inline_nocopy): Adjust calls to note_stores.
9050 (try_constants): Likewise.
9051 * integrate.h (mark_stores): Remove declaration.
9052 * jump.c (mark_modified_reg): Take additional parameter.
9053 (thread_jumps): Adjust calls to note_stores.
9054 * local-alloc.c (validate_equiv_mem_from_store): Take additional
9056 (no_equiv): Likewise.
9057 (reg_is_set): Likewise.
9058 (validate_equiv_mem): Adjust calls to note_stores.
9059 (update_equiv_regs): Likewise.
9060 (block_alloc): Likewise.
9061 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
9062 (note_addr_stored): Take additional parameter.
9063 (note_set_pseudo_multiple_uses): Likewise.
9064 (record_initial): Likewise.
9065 (prescan_loop): Adjust calls to note_stores.
9066 (strength_reduce): Likewise.
9067 (check_dbra_loop): Likewise.
9068 * regmove.c (flags_set_1): Take additional paramter.
9069 (mark_flags_life_zones): Adjust calls to note_stores.
9070 * reload1.c (mark_not_eliminable): Take additional parameter.
9071 (forget_old_reloads_1): Likewise.
9072 (reload_cse_invalidate_rtx): Likewise.
9073 (reload_cse_check_clobber): Likewise.
9074 (reload_combine_note_store): Likewise.
9075 (move2add_note_store): Likewise.
9076 (reload): Adjust calls to note_stores.
9077 (reload_as_needed): Likewise.
9078 (emit_reload_insns): Likewise.
9079 (reload_cse_regs_1): Likewise.
9080 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
9081 (reload_combine): Adjust calls to note_stores.
9082 * resource.c (update_live_status): Take additional paramter.
9083 (mark_target_live_regs): Adjust calls to note_stores.
9084 * stupid.c (find_clobbered_regs): Take additional parameter.
9085 (stupid_life_analysis): Adjust calls to note_stores.
9087 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
9089 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
9092 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
9095 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
9096 of the variable arm_structure_size_boundary.
9098 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
9100 * alias.c (init_alias_analysis): Allocate reg_known_value and
9101 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
9103 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
9104 * cse.c (cse_main): Call end_alias_analysis.
9105 * haifa-sched.c (schedule_insns): Likewise.
9106 * local-alloc. (update_equiv_regs): Likewise.
9107 * reload1.c (reload_cse_regs): Likewise.
9109 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9111 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
9112 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
9113 mapping from MASK_FPU.
9115 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
9117 * sparc.md (call): Don't bound structure return size to 0xfff.
9119 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
9121 * resource.c (mark_target_live_regs): Check that the target
9122 insn wasn't created after compute_bb_for_insn.
9124 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
9126 * ggc-page.c (poison_pages): Don't be overzealous.
9128 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
9130 * alias.c: Update comments for ADDRESS.
9131 (nonlocal_reference_p): Look inside the ADDRESS to determine if
9132 it is a local memory reference.
9134 * c-typeck.c (build_function_call): Check that the built-in
9135 function is of class BUILT_IN_NORMAL before trying to recongize
9137 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
9138 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
9140 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
9142 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
9144 (pre_gcse): Likewise.
9145 (hoist_expr_reaches_here_p): Likewise.
9146 (hoist_code): Likewise.
9147 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
9149 (pre_expr_reaches_here_p_work): ... here.
9150 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
9152 (expr_reaches_here_p_work): ... here.
9154 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
9156 * resource.c (find_basic_block): Delete.
9157 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
9158 (init_resource_info): Call compute_bb_for_insn.
9160 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
9162 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
9163 with already adjacent blocks, but no fallthru.
9164 (merge_blocks_move_successor_nojumps): Simplify.
9165 (debug_flow_info): New.
9167 * toplev.c (rest_of_compilation): Open jump1 dump file before
9168 jump and close after, as opposed to just using dump_rtl.
9170 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9172 * reload.h (earlyclobber_operand_p): Declare.
9173 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
9174 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
9175 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
9176 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
9178 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
9179 Richard Henderson <rth@cygnus.com>
9181 * emit-rtl.c (emit_block_insn_before): New.
9182 (emit_block_insn_after): New.
9183 * basic-block.h: Declare them.
9185 * bitmap.h: Protect from multiple inclusion.
9187 * recog.c (scratch_operand): Handle VOIDmode correctly.
9189 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
9191 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
9192 * function.c (assign_parms): Likewise.
9193 * global.c (global_conflicts): Clarify STACK_REGS commentary.
9195 * reg-stack.c (max_uid): Remove.
9196 (blocks, block_begin, block_end, block_drops_in): Remove.
9197 (block_stack_in, block_out_reg_set, block_number): Remove.
9198 (struct block_info_def, BLOCK_INFO): New.
9199 (enum emit_where): New.
9200 (current_block): New.
9201 (BLOCK_NUM): Remove.
9202 (mark_regs_pat, record_label_references): Remove.
9203 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
9205 (goto_block_pat, print_blocks, dump_stack_info): Remove.
9206 (reg_to_stack): Simplified test for existance of fp code. Use
9207 flow.c code. Call shorten_branches after cross-jump opt.
9208 (check_asm_stack_operands): Renamed from record_asm_reg_life.
9209 Return false if the asm doesn't use stack regs. Don't do life
9210 analysis on the asm.
9211 (emit_pop_insn): Replace function pointer arg `when' with
9212 enum `where'. Update all callers.
9213 (change_stack): Likewise. Update basic block end.
9214 (emit_swap_insn): Use current_block->head to limit reverse search
9215 for start of block. Use emit_block_insn_after.
9216 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
9217 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
9218 structure assignment instead of bcopy.
9220 (convert_regs_entry, convert_regs_exit): New.
9221 (convert_regs_1, convert_regs_2): Split out from convert_regs.
9222 Work on basic blocks and the CFG.
9223 (convert_regs): Use them.
9225 * i386.c (output_fix_trunc): Remove code for DImode input operand
9226 not at top-of-stack.
9227 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
9229 (fix_truncdi_1): Allow any mode scratch.
9231 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
9233 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
9234 * linux.h, netbsd.h, vms.h: Not here.
9236 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
9238 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
9239 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
9240 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
9241 CONDITIONAL_REGISTER_USEAGE): Use them.
9242 * config/mips/mips.c (mips_move_1word,mips_move_2words,
9243 gen_conditional_branch,override_options) : Use them.
9244 * config/mips/mips.md : Use them.
9246 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
9248 * i386.md (zero_extendqihi2): Use SImode register name with andl.
9250 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
9252 * integrate.c (function_cannot_inline_p): Don't allow inlining
9255 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9257 * c-parse.in (cast_expr): Constify.
9259 * cccp.c (special_symbol): Likewise.
9261 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
9263 * dwarf2out.c (base_type_die): Likewise.
9265 * global.c (allocno_compare): Likewise.
9267 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
9269 * regclass.c (fix_register): Likewise.
9271 * rtl.h (fix_register): Likewise.
9273 * stupid.c (stupid_reg_compare): Likewise.
9275 * toplev.c (decode_f_option): Likewise.
9277 * tree.c (build_complex_type): Likewise.
9279 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
9281 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
9283 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9285 * reload.c (find_reloads): Compute mode and nregs fields of all
9287 * reload1.c (calculate_needs_all_insns): Simplify a bit.
9288 (calculate_needs): Use precomputed mode/nregs values.
9289 (allocate_reload_reg): Likewise.
9291 (failed_reload, set_reload_reg): ... new functions.
9292 (choose_reload_regs_init): New function, mostly broken out from...
9293 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
9294 Also lose one #if 0 block.
9296 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
9298 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
9301 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
9303 * tree.h (BLOCK_TYPE_TAGS): Remove.
9304 (BLOCK_END_NOTE): Likewise.
9305 (BLOCK_LIVE_RANGE_FLAG): Likewise.
9306 (BLOCK_LIVE_RANGE_START): Likewise.
9307 (BLOCK_LIVE_RANGE_END): Likewise.
9308 (tree_block): Remove live_range_flag, live_range_var_flag, and
9309 type_tags. Remove end_note, live_range_start, and live_range_end.
9310 (remember_end_note): Remove prototype.
9311 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
9312 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
9314 * ggc-common.c (ggc_mark_tree_children): Don't mark
9315 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
9316 * integrate.c (adjust_copied_decl_tree): Remove.
9317 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
9318 * stmt.c (last_block_end_note): Remove.
9319 (init_stmt): Don't add a GC root for it.
9320 (expand_fixup): Don't set it.
9321 (remember_end_note): Remove.
9322 (expand_end_bindings): Don't set last_block_end_note.
9324 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9326 * reload1.c (reload_reg_free_for_value_p): Show
9327 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
9330 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
9332 * expmed.c (extract_bit_field): Allow for the case of non-integer
9333 objects that are smaller than a word (like SFmode on a 64-bit
9336 * loop.c (basic_induction_var): A non-integer variable which is
9337 being set by a paradoxical subreg is probably not a biv.
9339 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9341 * prefix.c (translate_name) Check for empty prefix string.
9343 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
9345 * Makefile.in (CPP_CROSS_NAME): New variable.
9346 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
9348 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
9349 names of the files to be uninstalled.
9351 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
9353 * collect2.c (IS_DIR_SEPARATOR): Define.
9354 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
9356 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
9359 * haifa-sched.c (add_dependence): Update the true dependency
9360 cache the first time we add a true dependence to the LOG_LINKS chain.
9362 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
9364 * fold-const.c (fold): Fix comment.
9366 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9368 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
9369 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
9370 dbxout_start_new_source_file, dbxout_source_file,
9371 dbxout_source_line, dbxout_finish, dbxout_type_fields,
9372 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
9374 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
9375 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
9376 (dbxout_block): Initialize variable `blocknum'.
9378 * dbxout.h (dbxout_init, dbxout_finish,
9379 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
9380 dbxout_args, dbxout_source_line): Constify a char*.
9382 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
9383 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
9384 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
9385 low_pc_attribute, high_pc_attribute, body_begin_attribute,
9386 body_end_attribute, comp_dir_attribute, sf_names_attribute,
9387 src_info_attribute, mac_info_attribute, producer_attribute,
9388 lookup_filename, generate_macinfo_entry, fundamental_type_code,
9389 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
9390 dwarfout_undef): Constify a char*.
9391 (add_incomplete_type, retry_incomplete_types): Add prototypes.
9393 * dwarfout.h (dwarfout_define, dwarfout_undef,
9394 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
9396 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
9398 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
9399 (MULTILIB_ISA_DEFAULT): New.
9400 (MULTILIB_DEFAULTS): Use it.
9401 * config/mips/mips.c (): Remove the now unnecessary definition
9402 of MIPS_ISA_DEFAULT.
9403 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
9404 unnecessary definition.
9406 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
9408 * arm.md (pic_load_addr): Add constraints to operand 1.
9410 1999-10-25 Bruce Korb <autogen@linuxbox.com>
9412 * fixinc/genfixes: Provide a means for specifying -D options to
9415 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
9417 * arm.c (arm_override_options): Correct initialization of
9418 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
9419 arm_is_strong, and arm_is_6_or_7.
9421 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
9422 (note_set_pseudo_multiple_uses): New function.
9423 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
9424 if a pseudo set in the loop exit is used elsewhere.
9426 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
9428 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
9430 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
9432 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
9433 a single load-address pattern.
9435 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
9437 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
9438 depending on whether or not line-number notes are present.
9440 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9442 * cccp.c (progname, file_buf, default_include, include_file,
9443 macrodef, definition, hashval, wchar_type, user_label_prefix,
9444 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
9445 expand_to_temp_buffer, is_system_include, base_name,
9446 absolute_filename, read_name_map, open_include_file,
9447 record_control_macro, check_precompiled, check_preconditions,
9448 pcfinclude, pass_thru_directive, create_definition,
9449 check_macro_name, comp_def_part, collect_expansion,
9450 check_assertion, read_token_list, assertion_install,
9451 assertion_lookup, eval_if_expression, conditional_skip,
9452 validate_else, skip_quoted_string, quote_string, macarg1,
9453 error_from_errno, install, lookup, hashf, dump_defn_1,
9454 perror_with_name, pfatal_with_name, main, trigraph_pcp,
9455 check_white_space, rescan, handle_directive, monthnames,
9456 special_symbol, do_include, remap_include_file, write_output,
9457 arglist, do_assert, do_unassert, do_line, do_error, do_once,
9458 do_ident, do_sccs, do_xifdef, skip_if_group,
9459 output_line_directive, macroexpand, macarg, change_newlines,
9460 initialize_builtins, make_definition): Constify a char*.
9462 * pcp.h (stringdef): Likewise.
9464 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
9466 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
9469 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
9470 Richard Henderson <rth@cygnus.com>
9472 * alias.c: Include ggc.h.
9473 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
9474 (record_set): Verify enough room in reg_base_value.
9475 (init_alias_analysis): Allocate reg_base_value with xcalloc.
9476 Register it as a GC root.
9477 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
9478 * Makefile.in (alias.o): Depend on ggc.h.
9480 * unroll.c (unroll_loop): Verify the insn before a barrier
9481 is a JUMP_INSN before checking JUMP_LABEL.
9483 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9485 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
9486 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
9487 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
9488 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
9489 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
9490 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
9492 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9494 * output.h (ctors_section, dtors_section, bss_section): Prototype.
9496 * alpha/alpha-interix.h (text_section): Delete prototype.
9497 * alpha/elf.h (text_section): Likewise.
9498 * arm/linux-elf.h (text_section): Likewise.
9499 * arm/linux-telf.h (text_section): Likewise.
9500 * c4x/c4x.h (text_section): Likewise.
9501 * dsp16xx/dsp16xx.h (bss_section): Likewise.
9502 * elfos.h (text_section): Likewise.
9503 * i386/aix386ng.h (text_section): Likewise.
9504 * i386/i386-interix.h (text_section): Likewise.
9505 * i386/sco5.h (text_section): Likewise.
9506 * i386/svr3gas.h (text_section): Likewise.
9507 * nextstep.h (text_section): Likewise.
9508 * psos.h (text_section): Likewise.
9509 * ptx4.h (text_section): Likewise.
9510 * svr3.h (text_section): Likewise.
9511 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
9513 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9515 * final.c (peephole): Delete prototype.
9517 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
9518 (pre_insert_copies): Remove unused variable `bb'.
9520 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
9523 * output.h (peephole): Add prototype.
9525 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
9527 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
9530 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
9532 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
9533 for inlined declarations.
9535 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
9537 * arm.c (logical_binary_operator): New fucntion.
9538 * arm.h (logical_binary_operator): Declare it.
9539 (PREDICATE_CODES): Handle logical_binary_operator.
9540 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
9541 output constraints. Add appropriate splitters.
9542 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
9543 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
9544 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
9546 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9548 * genoutput.c (struct operand_data): New elt eliminable.
9549 (output_operand_data): Write it.
9550 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
9551 (compare_operands): Take it into account.
9552 * recog.h (struct insn_operand_data): New elt eliminable.
9553 * reload1.c (check_eliminable_occurrences, elimination_effects): New
9555 (old_asm_operands_vec, new_asm_operands_vec): Delete.
9556 (eliminate_regs): Move code that detects changes to elimination
9557 target regs into new function elimination_effects.
9558 Delete one #if 0 block.
9559 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
9560 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
9561 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
9562 Only call eliminate_regs for real operands of the insn, not for parts
9563 of its structure or parts matched by things like match_operator.
9564 Use elimination_effects and check_eliminable_occurrences. Use
9565 copy_insn to duplicate the pattern when not in the final pass.
9567 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
9569 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
9572 1999-10-22 Bruce Korb <autogen@linuxbox.com>
9574 * fixinc/README: document the "mach" machine matching test
9575 * fixinc/fixfixes.c: Implement the #else/#endif label fix
9576 * fixinc/fixtests.c: Implement the #else/#endif label test
9577 * fixinc/inclhack.def: utilize these tests and fixes
9578 * fixinc/inclhack.sh: regen
9579 * fixinc/fixincl.x: regen
9580 * fixinc/fixincl.sh: regen
9582 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
9584 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
9587 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
9589 * gcc.1: Document exit codes.
9591 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9593 * calls.c: Include tm_p.h later, so everything we need is defined.
9595 * function.c: Likewise.
9597 * except.c: Include tm_p.h.
9599 * sparc.c: Likewise.
9600 (dwarf2out_cfi_label): Don't prototype.
9601 (check_return_regs, epilogue_renumber,
9602 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
9603 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
9604 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
9605 ultra_schedule_insn): Add static prototype.
9606 (data_segment_operand, text_segment_operand): Call itself with the
9607 proper number of arguments.
9608 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
9610 * sparc.h: Move all declarations to sparc-protos.h.
9611 (SELECT_RTX_SECTION): Pass a missing MODE argument to
9614 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
9616 * config/svr4.h (text_section, ctors_section, dtors_section): Add
9618 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
9619 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
9620 ASM_OUTPUT_ASCII): Constify a char*.
9622 * sparc-protos.h: New file for sparc prototypes.
9624 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9626 * function.c (record_insns, contains): Always declare and define.
9627 (record_insns): Mark with ATTRIBUTE_UNUSED.
9629 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9631 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
9632 to .section when outputting a .bss section to deal with multiple
9633 .bss input sections (as happens with -fdata-sections)
9634 Also output %progbits, not @progbits so the assembler doesn't treat as
9636 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
9638 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
9639 thumb parts even when building with non-thumb CPUs, by forcing
9642 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
9644 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
9645 (movdf_const_intreg_sp64): Similarly.
9647 * local-alloc.c (update_equiv_regs): Check the correct insn
9648 for pre-existing REG_EQUIV notes.
9650 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
9652 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
9653 block reached by a branch if we're not going to actually process
9656 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
9658 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
9659 a local extern function declaration.
9661 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
9663 * i386.c (ix86_expand_prologue): Properly wrap USE around
9664 reg for CALL_INSN_FUNCTION_USAGE.
9666 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
9668 * config/mips/mips.md (movdf_internal1a): Allow floating-point
9669 move between GP_REGs.
9671 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
9673 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
9674 the mode size when finding out if an offset is legal.
9676 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
9678 * basic-block.h (PROP_*): Move constants from ...
9680 (compute_bb_for_insn): Free the array before reallocating.
9681 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
9682 (allocate_reg_life_data): Reset all reg variables collected by
9684 (get_block_head_tail): Don't convert from bb to block.
9685 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
9686 (find_insn_reg_weight): Take block not bb.
9687 (schedule_block): Don't set block num for moved insns.
9688 (schedule_region): Don't update_life_info or find_insn_reg_weight.
9689 (schedule_insns): Do it here instead.
9690 * combine.c (combine_instructions): Invoke compute_bb_for_insn
9691 before update_life_info.
9692 * recog.c (split_all_insns, peephole2_optimize): Update for
9693 new arg to update_life_info.
9694 * rtlanal.c (remove_note): Cope with NULL note.
9695 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
9698 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
9700 * jump.c (jump_optimize_1): More accurately detect casesi insns.
9702 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
9703 block records so that merge_blocks_nomove will clean up correctly.
9704 (split_edge): Handle casesi insns.
9706 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
9708 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
9710 * pa.md (call, call_value): Do not emit a blockage after restoring
9713 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
9715 * c-typeck.c (c_expand_asm_operands): Fix typo.
9717 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9719 * arm.c (fpu_rhs_operand): Verify modes.
9720 (fpu_add_operand): Likewise.
9721 (di_operand): Likewise.
9722 (soft_df_operand): Likewise.
9724 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
9726 * arm.c (arm_return_in_memory): APCS rules state that the elements
9727 of a structure returned in a register must be 'integer-like'.
9729 1999-10-19 Bruce Korb <autogen@linuxbox.com>
9731 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
9732 in the source tree when the generated targets are out of date
9733 * fixinc/genfixes: Alter it to run individual fixes for make.
9734 * fixinc/README: rewrite
9735 * fixinc/inclhack.def: moved initial comments to README
9737 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
9739 * toplev.c (main): Do not generate an error message if an
9740 unrecognised command line switch is recognisable by another
9741 language. If extra_warnings are enabled, then generate a
9742 warning message instead.
9744 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
9746 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
9747 (insert_pack_attributes): Delete prototype.
9749 * c-pragma.c (default_alignment): New static variable.
9750 (push_alignment): Initialize to current effective alignment.
9751 (pop_alignment): Use to set new alignment.
9752 (insert_pack_attributes): Delete function.
9753 (handle_pragma_token): Set default_alignment as well each time
9754 a #pragma pack(<n>) is encountered.
9756 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
9758 * reg-stack.c (stack_result): Aggregates are not returned in
9761 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
9763 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
9765 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
9767 * basic-block.h (set_block_num): Declare.
9768 * flow.c (update_life_info): Don't call compute_bb_for_insn
9769 or free_basic_block_vars.
9770 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
9771 (insn_orig_block): Remove.
9772 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
9773 (schedule_block): Keep BLOCK_NUM up-to-date.
9774 (schedule_insns): Use compute_bb_for_insn.
9775 * recog.c (split_all_insns): Likewise.
9776 (peephole2_optimize): Likewise.
9778 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
9780 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
9781 if the pic register is used.
9783 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9785 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
9786 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
9787 if that tests TREE_PERMANENT.
9789 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
9791 * cse.c (invalidate_for_call): Do not remove memory references from
9792 the table here. It's handled elsewhere.
9794 * haifa-sched.c (add_dependence): Protect references to the
9795 true dependency cache with #ifdef INSN_SCHEDULING.
9796 (remove_dependence): Similarly.
9798 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
9799 to the cfg code that this is a return instruction.
9800 * mn10300.md (return_internal): Similarly.
9802 * combine.c (get_last_value): If the last set of a register
9803 is after subst_low_cuid, then we can not use it to determine
9804 the register's last value.
9806 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
9808 * Makefile.in: Back out previous change.
9810 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
9812 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
9814 * haifa-sched.c (add_dependence): Only check/update the cache
9816 (remove_dependence): Likewise.
9817 (schedule_insns): Only create the true_dependency_cache if the
9818 average number of instructions in a basic block is very large.
9820 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
9822 * Makefile.in (ggc-common.o): Depend on genrtl.h.
9823 (ggc-simple.o): Likewise.
9824 (ggc-page.o): Likewise.
9826 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
9828 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
9829 Prototype for exported functions.
9830 (pre_lcm, pre_rev_lcm): Remove prototypes.
9831 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
9832 (compute_available): Move to lcm.c, and change parameter order.
9833 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
9834 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
9835 (gcse_main): No longer call compute_preds_succs. Rebuild the
9836 set table after reach pre pass.
9837 (pre_insert_map, pre_delete_map, edge_list): New.
9838 (alloc_pre_mem): Allocate edge vectors.
9839 (free_pre_mem): Delete edge vectors.
9840 (compute_pre_data): Call new edge based lcm routines.
9841 (process_insert_insn): New function.
9842 (insert_insn_end_bb): Use it.
9843 (pre_edge_insert): New function.
9844 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
9846 (pre_insert_copies): Revamp using new edge based lcm outputs.
9847 (pre_delete): Likewise.
9848 (one_pre_gcse_pass): Insert & remove fake edges to the exit
9850 (compute_code_hoist_vbeinout): New new edge based routines.
9851 * lcm.c: Remove all the old LCM functions. Replace with new ones
9852 that work with the new cfg datastructures and work with edges
9855 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9857 * reload.h (struct reload): Add new fields "mode" and "nregs".
9858 * reload1.c: Change all occurrences of reload_mode and reload_nregs
9859 to reference the "mode" and "nregs" field within struct reload.
9861 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
9863 * haifa-sched.c (true_dependency_cache): New.
9864 (add_dependence): Use the true dependency cache to avoid expensive
9865 walks down the LOG_LINKS dependency list. Add entries to the
9867 (remove_dependence): Remove entries from the true dependency cache
9869 (schedule_insns): Allocate and initialize and free the true
9872 * haifa-sched.c (schedule_insns): Do not remove inter-block
9873 dependencies anymore.
9875 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
9877 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
9878 * i386/t-winnt: Likewise.
9880 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
9882 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
9884 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
9886 * Makefile.in (LANGUAGES): Omit "proto".
9887 (clean): Remove stale comment about removing unprotoize.c.
9889 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9891 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
9892 using arithmetic on void pointers.
9894 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
9896 * haifa-sched.c (compute_block_forward_dependencies): Only check
9897 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
9899 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
9901 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
9902 (expr_equiv_p): Reject memories with different alias sets.
9904 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
9906 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
9907 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
9908 (f_options): Add "bounded-pointers" and "bounds-check" entries.
9909 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
9910 (lang_init): Set default for flag_bounds_check if still "unspecified".
9912 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9914 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
9916 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9918 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
9921 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9923 * config/c4x/c4x.md (*db_noclobber,
9924 *decrement_and_branch_until_zero_noclobber): New patterns and
9925 associated splitters.
9927 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9929 * config/c4x/c4x.md (parallel instruction patterns): Rework
9930 constraints to keep reload happy.
9932 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9934 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
9935 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
9936 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
9937 Add new patterns and associated post-reload splitters.
9939 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9941 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
9943 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9945 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
9947 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
9949 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9951 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
9954 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
9956 * pa.c (move_operand): Rely on memory_address_p to determine the
9957 validity of non-indexed memory addresses.
9958 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
9959 operand in DFmode and SFmode when generating PA2.0 code.
9961 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
9963 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
9965 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
9967 * mips.c (function_prologue): Fix argument types.
9968 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
9969 (casesi_internal): Write to the scratch register.
9971 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
9973 * cppexp.c (cpp_parse_escape): Make static. Change second arg
9975 (parse_charconst): Delete unnecessary cast when calling
9977 (cpplib.h): Kill prototype of cpp_parse_escape.
9979 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
9981 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
9982 * unroll.c (unroll_loop): Cast return value of alloca.
9983 * i370/i370.c: Include function.h and toplev.h.
9984 (i370_label_scan): Remove c++ commented abort.
9985 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
9986 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
9987 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
9988 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
9990 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
9992 * config/t-freebsd: Do not override USER_H.
9993 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
9995 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
9996 Mumit Khan <khan@xraylith.wisc.edu>
9998 * c-parse.in (component_decl): Support anonymous struct/union.
10000 * c-parse.y: Regenerate.
10001 * c-parse.c: Likewise.
10002 * objc/objc-parse.y: Likewise.
10003 * objc/objc-parse.c: Likewise.
10004 * c-decl.c (finish_struct): Don't sort the fields.
10005 (field_decl_cmp): Delete unused function.
10007 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
10009 * sparc.md (movsf_const_intreg): Revert last constraint change.
10010 (movdf_const_intreg_sp32): Likewise.
10012 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
10014 * cse.c: Include hashtab.h instead of splay-tree.h
10015 (struct cse_reg_info): No longer use variant union. Add new
10016 field "regno". All references changed to avoid union.
10017 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
10018 (free_cse_reg_info): Remove.
10019 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
10020 (get_cse_reg_info): Revamp to use expandable hash tables instead
10021 of splay trees. Initialize new fields in cse_reg_info structure.
10022 (new_basic_block): Similarly.
10024 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
10026 * genrecog.c (message_with_line): Prototype.
10027 (validate_pattern): Pass along the set for the dest, not a flag.
10028 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
10029 Check for PC/CC0 as sources.
10030 (nodes_identical): Check for children position match before
10031 allowing the combination.
10033 * rtl.c (read_rtx): Track line number across \\\n.
10035 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
10037 * mips.h (SPECIAL_MODE_PREDICATES): New.
10038 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
10039 (movdi+1, movsi+1): Add output reload constraint.
10040 (casesi_internal): Likewise. Fix commentary.
10041 (return_internal): Use pmode_register_operand.
10043 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
10045 * 1750a.md (movstrqi): Add missing output reload constraint.
10046 (call_value): Likewise.
10047 * a29k.md (cpxxx patterns): Add missing match_operator mode.
10048 (jmpfdec): Add missing inout reload constraint.
10049 * elxsi.md (addsi patterns): Add missing output reload constraint.
10050 (move from sp): Use @ alternates.
10051 (call_value): No constraint on output.
10052 * fr30.md (movsi_pop): Add missing output reload constraint.
10053 (movsf_constant_store): Likewise.
10054 (splits): Remove constraints.
10055 (subsi3): Add missing mode.
10056 * i370.md (cmpstrsi+1): Add missing output reload constraint.
10057 (call_value): Likewise.
10058 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
10059 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
10060 * m32r.md (movsicc_internal): Add output reload constraint.
10061 (movstrsi_internal): Add inout reload constraints.
10062 * m88k.h (reg_names): Don't declare.
10063 (SPECIAL_MODE_PREDICATES): New.
10064 * m88k.md (*): Use register_operand not reg_or_0_operand
10066 * mn10200.h (PREDICATE_CODES): New.
10067 * ns32k.md (ffs pattern): Add output reload constraint.
10068 * pdp11.md (sob pattern): Add inout reload constraint.
10069 * sh.md (splits): Remove constraints.
10070 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
10071 * v850.md (pattern_is_ok_for_epilogue): Likewise.
10072 * vax.md (jgequ pattern): Add inout reload constraint.
10074 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
10076 * configure.in (djgpp): Revert previous patch.
10077 * configure: Rebuit.
10078 * config/i386/djgpp.h: Revert previous patch.
10080 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
10082 * fixinc/inclhack.def: Restore patch lost during last merge of
10083 "no_bogosity" branch.
10084 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
10086 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
10088 * fixincludes: Add a HPUX 11 fix for inttypes.h.
10089 * fixinc/inclhack.def: Same.
10090 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
10092 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
10094 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
10095 as the base of a PLUS.
10097 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10099 * config/c4x/c4x.md: Define mode for remaining unspec operators.
10100 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
10102 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
10104 * pa.md (post_stw+1): Use pmode_register_operand.
10105 (dcacheflush, icacheflush): Likewise.
10107 * i386.md (movstricthi_1): Allow r/r.
10109 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
10111 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
10112 to (not (and (arg0) (arg1))). Similary for and.
10114 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
10115 fallthrough to associate code.
10116 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
10119 * combine.c (simplify_logical): Convert XOR to IOR if operands have
10120 no bits in common; remove XOR to ROTATE conversion.
10122 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10124 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
10126 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10128 * config/c4x/c4x.c (dst_operand): New.
10129 (PREDICATE_CODES): Update.
10130 * config/c4x/c4x.h (dst_operand): Declare it.
10131 * config/c4x/c4x.md: Define mode for each unspec usage.
10132 (move patterns): Use dst_operand predicate instead of src_operand.
10133 (movqi_update, movqf_update): Delete.
10135 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
10137 * recog.c (pmode_register_operand): New.
10138 * recog.h: Declare it.
10139 * genrecog.c (pred_codes): Likewise.
10140 (special_mode_pred_table): Likewise.
10141 (validate_pattern): Don't warn no mode for address_operand.
10143 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
10144 if the operand is not insn-like.
10146 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
10147 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
10149 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
10151 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
10153 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
10154 instead of general_operand in a SET_DEST. Use const_double_operand
10155 instead of an explicit test against CONST_DOUBLE.
10156 (movsf_const_lo): Add missing register mode.
10157 (goto_handler_and_restore): Add auxiliary test for Pmode.
10158 (flush): Adjust to use address_operand.
10159 (return_sf_no_fpu): Add missing output constraint.
10161 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
10163 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
10164 for call return value.
10165 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
10167 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
10169 * toplev.c (main): Only warn about options for other languages.
10170 * collect2.c (main): Pass -w to sub-gcc.
10172 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
10174 * flow.c (propagate_block): Add call-clobbered registers to
10177 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
10178 zapping mem_set_list.
10179 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
10180 (mark_set_1, mark_used_regs): Likewise.
10182 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
10184 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
10186 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10188 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
10189 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
10190 options. Also add a new item "C-only Warning Options" to the
10193 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
10195 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
10196 from multiple calls.
10198 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
10200 * i386.md (call value patterns): Move to the end of the file.
10201 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
10203 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
10205 * configure.in (djgpp configuration): Define extra_objects..
10206 * configure: Rebuilt.
10207 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
10208 (DTORS_SECTION_ASM_OP): Define.
10209 (INIT_SECTION_ASM_OP): Define.
10210 (FINI_SECTION_ASM_OP): Define.
10211 (DATA_SECTION_ASM_OP): Define.
10212 (TEXT_SECTION_ASM_OP): Define.
10213 (EH_FRAME_SECTION_ASM_OP): Define.
10214 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
10215 (STARTFILE_SPEC): Add crtbegin.o.
10216 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
10217 to here from LINK_COMMAND_SPEC.
10218 (DO_GLOBAL_CTORS_BODY): Define.
10219 (CRTSTUFF_USE_FINI_SECTION): Define
10220 (HAS_INIT_SECTION): Delete.
10222 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
10224 * Makefile.in (all.cross): Depend on xcpp$(exeext).
10226 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
10228 * pa.h (PREDICATE_CODES): New.
10230 * genrecog.c (validate_pattern): Condense the destination
10231 non-lvalue message.
10233 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
10235 * alpha.md (call-1): Supply missing mode for operator.
10236 (*): Add missing output reload constraints. Remove constraints
10237 from define_splits.
10239 * i386.h (SPECIAL_MODE_PREDICATES): New.
10240 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
10241 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
10242 (addsi_lea_3): Add missing mode for op 3.
10243 (prologue_set_got, prologue_get_pc): Add missing modes.
10244 (*) Add missing output reload constraints.
10246 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
10248 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
10249 check for member bit-size overflow and use var_size if it occurs.
10250 (layout_record): Use bitsize_int() to define the type size in bits.
10251 Likewise for computation and assignment to DECL_FIELD_BITPOS.
10252 (layout_decl): Likewise when assigning to DECL_SIZE.
10254 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
10256 * genrecog.c (validate_pattern): Typo last change. Verify
10257 that output operands have output reloads.
10259 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
10261 * genrecog.c (special_mode_pred_table): New.
10262 (NUM_SPECIAL_MODE_PREDS): New.
10263 (find_operand): New.
10264 (validate_pattern): New argument `insn'. Warn for assignment to
10265 any predicate accepting non-lvalues. Conditionaly warn for
10266 match_operand without a mode. Try much harder to match source
10267 and destination modes on a set.
10268 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
10270 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
10272 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
10274 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
10276 * combine.c (simplify_logical): Recognize xor pattern that encodes
10279 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10281 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
10284 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
10286 * ggc-page.c (MAP_FAILED): Provide default.
10288 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
10290 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
10291 * sparc.h (PREDICATE_CODES): Update.
10293 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
10295 * alpha.c (some_ni_operand): New.
10296 * alpha-protos.h: Declare it.
10297 * alpha.h (PREDICATE_CODES): Update.
10298 * alpha.md (sXaddq reload insns): Use some_ni_operand
10299 for SET_DEST instead of some_operand.
10301 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
10302 Jim Wilson <wilson@cygnus.com>
10304 * genrecog.c (maybe_both_true_2): Don't compare modes of
10306 (process_tree): Elide peephole2_insns. Invoke simplify_tests
10307 after find_afterward.
10308 (debug_decision_1): Dump next and afterward codes.
10310 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
10312 * rtl.c (dump_and_abort): Remove.
10313 (fatal_with_file_and_line): New.
10314 (fatal_expected_char): New.
10315 (read_rtx_lineno, read_rtx_filename): New.
10316 (read_skip_spaces): Track line number.
10317 (read_name): Use fatal_with_file_and_line.
10318 (read_rtx): Use fatal_expected_char. Track line number.
10319 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
10321 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
10322 if it isn't a CODE_LABEL.
10324 * genattr.c (main): Set read_rtx_filename.
10325 * genattrtab.c (main): Likewise.
10326 * gencodes.c (main): Likewise.
10327 * genconfig.c (main): Likewise.
10328 * genemit.c (main): Likewise.
10329 * genextract.c (main): Likewise.
10330 * genflags.c (main): Likewise.
10331 * genopinit.c (main): Likewise.
10332 * genoutput.c (main): Likewise.
10333 * genpeep.c (main): Likewise.
10335 * genrecog.c (decision_test.u.insn): Add `lineno'.
10336 (pattern_lineno, error_count): New variables.
10337 (message_with_line): New.
10338 (add_to_sequence): Break out checking code to ...
10339 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
10340 (merge_insn): Use message_with_line.
10341 (make_insn_sequence): Use validate_pattern. Record insn lineno.
10342 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
10344 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10346 * expr.c (store_constructor): Clear union if constructor is empty.
10348 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
10350 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
10351 Add !endian checks. Change %{...} to %(...).
10353 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
10355 * i386.md (*addsi3_cc): Renamed from addcsi3.
10356 (*addsi3_carry): Renamed from addxsi3.
10357 (*subsi3_cc): Renamed from subcsi3.
10358 (*subsi3_carry): Renamed from subxsi3.
10359 (*xorqi_cc_1): Renamed from xorcqi_1.
10360 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
10361 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
10363 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
10365 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
10366 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
10368 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
10370 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
10371 climb up the chain of insns.
10373 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
10375 * genrecog.c (write_subroutine): Careful for null trees.
10376 (process_tree): Don't elide empty functions.
10378 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
10380 * Makefile.in (genrtl.o): Depend on ggc.h.
10381 * configure.in (valloc): Probe for it.
10382 (with-gc): Use ggc-page if valloc present.
10383 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
10384 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
10385 (ggc_alloc_string): Moved from ggc-page.c.
10386 * ggc-none.c (ggc_alloc_obj): New.
10387 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
10388 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
10389 (struct globals): Likewise for dev_zero_fd.
10390 (init_ggc): Likewise for it's initialization.
10391 (ggc_allocated_p): Move careful dereference from ...
10392 (ggc_lookup_page_table): ... here. Delete.
10393 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
10394 (alloc_anon): Use valloc if no mmap.
10395 (release_pages): Use free if using valloc.
10396 (ggc_alloc_obj): Renamed from alloc_obj.
10397 (ggc_set_mark): Renamed from mark_obj.
10398 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
10399 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
10400 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
10401 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
10402 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
10403 (ggc_collect): Use fp printing instead of our own rounding.
10404 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
10405 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
10406 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
10407 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
10408 (struct ggc_string, struct ggc_any): Delete.
10409 (offsetof): Provide default definition.
10410 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
10412 (struct ggc_mem): New, from corpse of ggc_any.
10413 (struct ggc_status): Delete.
10414 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
10415 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
10416 (n_strings_collected, n_anys_collected): Delete.
10417 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
10418 (ggc_alloc_string, ggc_alloc): Delete.
10419 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
10420 (ggc_free_string, ggc_free_any): Delete.
10421 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
10422 (ggc_compare_addresses, ggc_mark_string): Delete.
10423 (ggc_mark_string_if_gcable, ggc_mark): Delete.
10424 (search_data): Delete.
10425 (struct globals): New.
10426 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
10427 (tree_insert, tree_lookup): New.
10428 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
10429 (clear_marks, sweep_objs): New.
10430 (ggc_collect): Gut. Use clear_marks, sweep_objs.
10431 (init_ggc): Set allocated_last_gc.
10432 (ggc_push_context): Gut. Use G.context.
10433 (ggc_pop_context): Likewise.
10434 (ggc_pop_context_1): New.
10435 (debug_ggc_tree): New.
10436 (debug_ggc_balance, tally_leaves): New.
10437 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
10438 (ggc_mark_string_if_gcable): Remove decl.
10439 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
10440 (ggc_mark_rtvec_children): New.
10441 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
10442 (ggc_mark_if_gcable): New decl.
10443 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
10444 (ggc_alloc_tree, ggc_alloc): Likewise.
10445 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
10446 (ggc_alloc_obj): New decl.
10447 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
10448 (ggc_alloc_tree, ggc_alloc): Likewise.
10449 (ggc_set_mark): New decl.
10450 * rtl.h (struct rtx_def): Remove gc_mark.
10451 (struct rtvec_def): Likewise.
10452 * tree.h (struct tree_common): Likewise.
10454 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
10456 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
10457 float_format and thread_file definitions.
10458 * configure: Rebuilt.
10460 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
10462 * extend.texi (Function Names): Document types of function names.
10464 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10466 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
10467 an earlyclobbered output conflict with RELOAD_INPUT reloads.
10469 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10471 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
10473 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10475 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
10477 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
10479 * collect2.c (main): Do prelimnary link on AIX if rflag.
10481 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
10483 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
10484 __CTOR_LIST__ in opposite order, which is the correct order for sorted
10486 (__do_global_dtors): similarly for __DTOR_LIST__.
10488 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10489 Diego Novillo <dnovillo@cygnus.com>
10491 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
10494 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
10496 * fixincl/*: Merged "no_bogosity" branch
10497 * fixincl/fixlib.h: protect against doubly defining t_bool
10498 * fixincl/server.h: protect against doubly defining t_bool
10500 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
10502 * genoutput.c: Include toplev.h.
10504 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
10506 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
10508 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
10509 * configure: Regenerate.
10511 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
10513 * gcse.c (delete_null_pointer_checks): Returns void.
10515 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10517 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
10518 * emit-rtl.c (copy_insn_1): Likewise.
10520 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
10522 * config/mips/mips.c (mips_build_va_list): Correct
10523 TREE_CHAIN setting when hard-float.
10524 (mips_va_start): Use corrected setting.
10525 (mips_va_arg): Likewise. Also pass a tree to build of
10526 POSTINCREMENT_EXPR rather than a naked 'int'.
10528 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
10530 * ggc.h (ggc_push_context): Fix comment.
10531 (ggc_pop_context): Likewise.
10532 (mark_string_if_gcable): Likewise.
10533 * ggc-common.c (ggc_mark_rtx_children): Use
10534 ggc_mark_string_if_gcable.
10535 * ggc-page.c (ggc_lookup_page_table): New function.
10536 (ggc_allocated_p): Likewise.
10537 (mark_obj): Fix formatting.
10538 (ggc_mark_string_if_gcable): New function.
10539 * ggc-simple.c (ggc_allocated_strings): New variable.
10540 (ggc_strings_used): Likewise.
10541 (ggc_compare_addresses): New function.
10542 (ggc_pop_context): Pop the `any' memory too.
10543 (ggc_mark_string_if_gcable): New function.
10544 (ggc_collect): Initialize and tear down ggc_allocated_strings.
10546 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
10548 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
10549 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
10550 * rs6000.c (expand_block_move): Match movstrsi_?reg register
10553 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
10555 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
10556 (sched_reg_live_length, sched_reg_basic_block): Delete.
10557 (current_block_num, bb_live_regs, old_live_regs): Delete.
10558 (dead_notes, struct sometimes): Delete.
10559 (sched_note_set, birthing_insn_p): Delete.
10560 (adjust_priority): Gut useless reg lifetime code.
10561 (create_reg_dead_note, attach_deaths): Delete.
10562 (attach_deaths_insn, new_sometimes_live): Delete.
10563 (finish_sometimes_live): Delete.
10564 (find_pre_sched_live, find_post_sched_live): Delete.
10565 (update_reg_usage): Delete.
10566 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
10567 (schedule_insns): Delete reg lifetime code.
10568 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
10569 (unlink_other_notes): Adjust REG_NOTE commentary.
10570 (reemit_notes): Use REG_SAVE_NOTE.
10571 (schedule_block): Likewise.
10572 (schedule_region): Allocate bitmap of blocks in region. Use
10573 count_or_remove_death_notes. Use update_life_info.
10575 * rtl.h (REG_SAVE_NOTE): New.
10576 * rtl.c (reg_note_name): Update.
10578 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
10580 * combine.c (refresh_blocks, need_refresh): New.
10581 (combine_instructions): Allocate refresh_blocks. Invoke
10582 update_life_info if needed.
10583 (distribute_notes): Mark refresh_blocks instead of installing
10585 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
10586 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
10588 * Makefile.in (recog.o): Depend on basic-block.h.
10590 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
10592 * genrecog.c (add_to_sequence): Thinko last change: delete
10593 shadowing allow_const_int variable.
10595 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10597 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
10598 __GNUC__ and __GNUC_MINOR__.
10600 * gansidecl.h: Likewise.
10606 * toplev.h: Likewise.
10608 * tree.c: Likewise.
10610 * tree.h: Likewise.
10612 * varray.c: Likewise.
10614 * varray.h: Likewise.
10616 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10618 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
10619 use one before a jump table.
10621 * rtl.def (ADDRESS): Change documentation to match reality.
10622 * md.texi: Don't document it.
10623 * gmicro.md (load address pattern): Use 'p' constraint, delete use
10626 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
10628 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
10630 * genrecog.c (add_to_sequence): Move allow_const_int test outside
10631 known predicate block; default allow_const_int true.
10632 (debug_decision_list): New.
10634 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
10636 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
10638 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
10640 * gcse.c (gcse_main): Avoid global optimizations if we have a
10641 large number of basic blocks and the ratio of edges to blocks
10643 (delete_null_pointer_checks): Likewise.
10645 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
10647 * c-common.c (check_format_info): Warn if format string isn't a
10650 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
10652 * configure.in (arm*-*-*): Don't let autoconf remove brackets
10653 * configure: regenerate
10655 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
10657 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
10658 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
10659 (peepholes): Re-enable.
10661 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
10663 * Makefile.in (flow.o): Depend on TREE_H.
10664 * basic-block.h (REG_SET_EQUAL_P): New.
10665 (XOR_REG_SET): New.
10666 (n_edges): Declare.
10667 (free_regset_vector): Remove declaration.
10668 (flow_delete_insn_chain): Declare.
10669 (enum update_life_extent): New.
10670 (update_life_info, count_or_remove_death_notes): Declare.
10671 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
10672 Verify register live at bb->global_live_at_start before adding USE.
10673 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
10674 (CLEAN_ALLOCA): New.
10676 (PROP_*): New flags.
10677 (find_basic_blocks_1): Use alloc_EXPR_LIST.
10678 (clear_edges): Zero n_edges.
10679 (make_edge): Increment n_edges.
10680 (split_edge): Don't allocate bb->local_set. Increment n_edges.
10681 (flow_delete_insn_chain): Export.
10682 (delete_block): Decrement n_edges.
10683 (merge_blocks_nomove): Likewise.
10684 (life_analysis): Give life_analysis_1 PROP flags.
10685 (verify_wide_reg_1, verify_wide_reg): New.
10686 (verify_local_live_at_start): New.
10687 (update_life_info): Rewrite to call into propogate_block.
10689 (mark_regs_live_at_end): After reload, if epilogue as rtl,
10690 always mark stack pointer. Conditionally mark PIC register.
10691 After reload, mark call-saved registers, return regsiters.
10692 (life_analysis_1): Accept PROP flags not remove_dead_code.
10693 Call mark_regs_live_at_end before zeroing regs_ever_live.
10694 Use calculate_global_regs_live. Copy global_live_at_end before
10695 calling final propagate_block. Zero reg_next_use on exit.
10696 (calculate_global_regs_live): New.
10697 (allocate_bb_life_data): Don't allocate bb->local_set.
10698 (init_regset_vector, free_regset_vector): Remove.
10699 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
10700 Test flags before every operation. Warn if prologue/epilogue insn
10701 would have been deleted.
10702 (mark_set_regs, mark_set_1): Accept and use FLAGS.
10703 Use alloc_EXPR_LIST.
10704 (mark_used_regs): Accept and use FLAGS, not FINAL.
10705 Remove special handling for RETURN.
10706 (try_pre_increment): Use alloc_EXPR_LIST.
10707 (dump_flow_info): Dump n_edges.
10708 (unlink_insn_chain, split_hard_reg_notes): Remove.
10709 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
10710 (find_insn_with_note, new_insn_dead_notes): Remove.
10711 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
10712 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
10713 (replace_insns): Remove.
10714 (count_or_remove_death_notes): New.
10715 (verify_flow_info): Abort on error after all checks.
10716 (remove_edge): Decrement n_edges.
10717 (remove_fake_edges): Tweek format.
10718 * haifa-sched.c (schedule_insns): Use split_all_insns.
10719 * output.h (update_life_info): Remove declaration.
10720 * recog.c (split_all_insns): From the corpse of split_block_insns,
10721 do the whole function block by block. Use update_life_info.
10722 (recog_last_allowed_insn): New.
10723 (recog_next_insn): Mind it.
10724 (peephole2_optimize): Set it. Walk backwards through blocks.
10725 Use update_life_info.
10726 * rtl.h (update_flow_info, replace_insns): Remove declarations.
10727 (split_all_insns): Declare.
10728 * toplev.c (rest_of_compilation): Thread prologue before flow2.
10729 Use split_all_insns.
10731 * i386.md (or -1 peep2s): Disable.
10733 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
10735 * config/mips/mips.md (movstrsi+[123]) : Combine these into
10736 a single pattern. Scrap the 'd' versions as unnecessary.
10738 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
10739 tablejump_mips162,tablejump_internal4): The operands to a
10740 label_ref must be VOIDmode.
10742 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10744 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
10746 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
10748 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
10750 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
10752 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
10753 cache every function if ggc_p.
10755 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10757 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
10758 instead of copy_rtx. Accept sequences that contain asm statements.
10759 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
10760 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
10761 orig_asm_operands_vector, copy_asm_operands_vector,
10762 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
10764 * rtl.h (copy_insn, copy_insn_1): Declare.
10766 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10768 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
10770 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
10771 arguments to `current_file_function_operand'.
10773 * genrecog.c: Include hard-reg-set.h and resource.h in the
10774 generated output file.
10776 * real.c: Include tm_p.h.
10778 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10780 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
10783 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
10785 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
10786 before the fctiwz insn.
10788 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10789 Mark Mitchell <mark@codesourcery.com>
10791 * tree.c (make_lang_type_fn): New funtion pointer.
10792 (make_lang_type): Call it.
10793 * tree.h (make_lang_type): Declare.
10794 (make_lang_type_fn): Likewise.
10795 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
10797 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
10799 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
10800 make sure that HIGH instructions are copied into BASE_REGS.
10802 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
10804 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
10806 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
10808 * c-decl.c (finish_struct): Use simpler method of
10809 removing elements of a singly-linked list.
10811 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
10813 * alpha.md (peephole2's): Comment out peephole2's that generate
10816 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
10818 * genrecog.c (add_to_sequence): Disable mode check for
10821 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10823 * ggc-simple.c (init_ggc): Set empty_string.
10825 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
10827 * configure.in: Detect mmap. Add --with-gc=foo to select
10828 garbage collector; default to page if mmap available.
10829 * Makefile.in (GGC): Substitute.
10831 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
10833 * c-decl.c (ggc_p): Enable.
10835 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10837 * flow.c (verify_flow_info): Make it extern & unconditionally define.
10839 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
10841 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
10842 string for little-endian-data.
10844 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
10846 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
10847 case somebody tries to compile --enable-checking code with gcc
10850 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
10852 * genrecog.c (add_to_sequence): Verify operand to label_ref is
10855 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
10857 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
10858 * jump.c (jump_optimize_1): Document why.
10860 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10862 * collect2.c (scan_prog_file, scan_libraries): Prototype function
10863 pointers and casts for `int_handler' and `quit_handler'.
10865 * flow.c (verify_flow_info, split_hard_reg_notes,
10866 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
10867 remove_edge, remove_fake_successors): Add static prototypes.
10868 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
10869 (mark_set_1): Initialize variable `regno'.
10870 (unlink_insn_chain): Likewise for variable `curr'.
10871 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
10873 * loop.c (strength_reduce): Initialize variable
10874 `unrolled_insn_copies'.
10875 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
10876 prototypes. Change these functions to take const PTR parameters
10877 to avoid prototype conflict when used as the comparson argument
10879 (check_dbra_loop): Initialize variable `comparison_val'.
10881 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
10882 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
10883 (find_valid_class): Initialize variable `best_class'.
10884 (find_reloads): Call memcpy, not bcopy.
10886 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
10887 (hard_reg_use_compare): Don't needlessly cast away const.
10888 (reload_reg_class_lower): Likewise.
10889 (choose_reload_regs): Initialize variable `regno'.
10891 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
10893 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
10895 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
10897 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
10898 ({,d}discard): Add forward declarations. Declare parameter as
10900 (main_without_main): Explicitly declare return type to be int.
10901 (memcpy): Properly declare.
10903 * libgcc2.c (toplevel): If inhibit_libc is defined and not
10904 building the trampoline support, declare malloc, free, and
10906 (__clear_cache): Mark arguments as potentially unused.
10908 * frame.c (toplevel): If inhibit_libc is defined, declare
10911 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
10913 * flow.c (make_edge): Accept an optional 2D bitmap in which
10914 to cache edge existence. Update all callers.
10915 (make_label_edge, make_eh_edge): Pass through the edge cache.
10916 (make_edges): Provide the cache.
10918 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10920 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
10922 (local_mbtowc): Change the type of variable `i' from int to size_t.
10924 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
10925 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
10927 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
10929 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
10930 after other includes that define the appropriate types. Include
10931 tm_p.h for getting user prototypes.
10932 * ggc-callbacks.c (toplevel): Ditto.
10933 * ggc-none.c (toplevel): Ditto.
10934 * gcc-page.c (toplevel): Ditto.
10935 * ggc-simple.c (toplevel): Ditto.
10937 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
10938 Jonathan Larmour <jlarmour@cygnus.co.uk>
10940 * config/mips/mips.c (mips_move_2words): Split doubles if
10941 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
10943 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
10945 * genrecog.c (struct decision_test): New.
10946 (struct decision): Remove test-related members, sort the rest by size.
10947 (IS_SPLIT): Simplify.
10948 (new_decision, new_decision_test): New.
10949 (add_to_sequence): Use them. No special handling for args of
10951 (maybe_both_true): Renamed from not_both_true; return sense changed.
10952 (maybe_both_true_1, maybe_both_true_2): New. Broken out
10953 of maybe_both_true and adjusted for decision_test.
10954 (position_merit): Remove.
10955 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
10956 (merge_accept_insn): New, broken out of merge_trees.
10957 (merge_trees): Use them. No special case for c_test; no node
10958 splitting; use test type instead of position_merit.
10959 (factor_tests): New.
10960 (simplify_tests): New.
10961 (break_out_subroutines): Don't write code now.
10962 (find_afterward): New.
10963 (write_afterward, write_switch, write_cond): New.
10964 (write_action, is_unconditional): New.
10965 (write_node): New. Use them.
10966 (write_tree_1): Rewrite. Use the new functions above.
10967 (write_tree): Remove afterward processing.
10968 (write_subroutine): Simplify function variant emission.
10969 (write_subroutines): New.
10970 (same_codes, clear_codes): Remove.
10971 (same_modes, clear_modes): Remove.
10972 (write_header): New, broken out of main.
10973 (make_insn_sequence): Use new_decision and new_decision_test.
10974 (process_tree): New, broken out of main.
10975 (main): Adjust for merge_trees interface change.
10976 Don't #define operands in the output file.
10977 (record_insn_name): New, broken out of make_insn_sequence.
10978 (debug_decision_2, debug_decision_1, debug_decision_0): New.
10979 (debug_decision): New.
10981 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
10983 * resource.c (find_free_register): Mark class_str argument const.
10984 * resource.h: Update prototype to match.
10986 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
10987 * i386.md: Give all anonymous insns names.
10989 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
10991 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
10994 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
10996 * toplev.c (dbr_sched_time): Unconditional.
10997 (peephole2_time): New.
10998 (compile_file): Add pass numbers to all of the dump file suffixes.
10999 Dump peephole2_time. Don't dump times for non-applicable passes.
11000 (rest_of_compilation): Add pass numbers to dump file suffixes.
11001 Conditionalize calls to the scheduler.
11002 * invoke.texi: Update.
11004 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
11006 * flow.c (make_edges): Fix insn iteration.
11007 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
11008 (find_basic_blocks_1): Fix spelling mistake.
11010 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
11012 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
11013 always have side-effects. Use memset not bzero.
11014 (make_node): Likewise.
11016 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
11018 * stmt.c (expand_anon_union_decl): When any of the elements of the
11019 union is addressable, so is the entire union.
11021 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
11023 * sbitmap.c (sbitmap_ones): Don't set too many bits.
11025 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
11026 * bitmap.c (bitmap_operation): Return true iff TO changed.
11027 (bitmap_equal_p): New.
11028 (bitmap_bit_p): Tidy arithmetic.
11029 (debug_bitmap_file): Likewise.
11031 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
11033 * toplev.c (rest_of_compilation): Turn on cse_not_expected
11034 before cse2 instead of after.
11036 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
11038 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
11041 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11043 * cppinit.c (is_idchar initializer): Loosen tests to accept
11046 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
11048 * mips.md: Define conditional move patterns for floating point
11049 operands and DI mode conditions.
11051 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
11053 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
11054 always have side-effects.
11056 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
11058 * mn10200.c (asm_file_start): Fix typo.
11060 * cppinit.c (is_idchar initializer): Tighten tests for when
11061 to put the table into initialized memory.
11063 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
11064 not an array of rtunion.
11065 * gcc-page.c (ggc_alloc_rtvec): Similarly.
11066 * gcc-simple (ggc_free_rtvec): Similarly.
11068 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
11071 * mbchar.h: Add missing #endif.
11073 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
11074 (FPBIT, DPBIT): Define.
11076 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11078 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
11080 * profile.c (instrument_arcs, output_gcov_string,
11081 tablejump_entry_p): Add static prototypes.
11082 (output_gcov_string): Constify a char*.
11084 * regmove.c (replacement_quality, fixup_match_2): Add static
11087 * resource.h (reg_dead_p): Add extern prototype.
11089 * rtl.c (trim_filename): Add static prototype.
11091 * scan-decls.c (skip_to_closing_brace): Likewise.
11093 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
11094 (expand_end_case): Initialize variable `range'.
11095 (emit_case_nodes): Remove unused prototype `rtx_fn'.
11097 * varasm.c (asm_emit_uninitialised): Add static prototype.
11098 (asm_emit_uninitialised, assemble_variable): Mark parameter with
11101 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11103 * cpplib.c (if_directive_nameo): Add static prototype.
11105 * cse.c (cse_insn): Remove unused variable `p'.
11107 * except.c (create_rethrow_ref, push_entry,
11108 receive_exception_label, new_eh_region_entry, find_func_region,
11109 clear_function_eh_region, process_nestinfo): Add static prototypes.
11110 (get_reg_for_handler): Hide definition.
11111 (process_nestinfo): Initialize variable `extra_handlers'.
11113 * expr.h (expand_builtin_longjmp): Add extern prototype.
11115 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
11117 * function.c (prepare_function_start): Likewise.
11118 (pop_function_context_from): Mark parameter `context' with
11120 (push_temp_slots_for_block, flush_addressof): Hide definition.
11122 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
11123 solve_program_flow_graph, calculate_branch_probs,
11124 function_summary, main, fancy_abort): Add prototypes.
11126 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
11127 (add_hash): Constify a char*.
11129 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
11130 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
11131 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
11133 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
11135 * lists.c (free_list, zap_lists): Likewise.
11137 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11139 * alias.c (nonlocal_reference_p): Add static prototype.
11141 * bitmap.c (bitmap_element_allocate): Prototype args in function
11144 * builtins.c (stabilize_va_list): Add static prototype.
11145 (expand_builtin_va_arg): Constify a char*.
11147 * c-lex.c (getch, put_back, extend_token_buffer_to,
11148 read_line_number, token_getch, token_put_back): Add static
11151 * c-parse.gperf (hash, is_reserved_word): Likewise.
11153 * cccp.c (is_dir_separator): Likewise.
11155 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11157 * graph.h: New file to prototype functions exported by graph.c.
11159 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
11161 * graph.c: Include graph.h.
11163 * toplev.c: Likewise. Remove redundant prototypes.
11165 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
11167 * invoke.texi: Removed duplicated description for -Q.
11169 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
11171 * extend.texi: Grammar fix in __extension__ text.
11173 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
11175 * md.texi (define_peephole2): New section.
11177 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
11179 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
11180 (mov $-1 to or peepholer): Enable for pentium when optimizing for
11183 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
11185 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
11187 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
11189 * i386.md (ffs expander): Emit Pentium friendly code for
11192 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
11194 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
11196 (build1): Likewise.
11198 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11200 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
11202 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
11204 * config/m68k/m68k.c (use_return_insn): Return false if the pic
11205 register is in use.
11207 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11209 * md.texi (No Constraints): Delete section.
11210 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
11211 * final.c (final_scan_insn): We always have register constraints.
11212 * genattrtab.c: Don't include "insn-config.h".
11213 (write_attr_case): We always have register constraints.
11214 * genconfig.c (register_constraint_flag): Delete.
11215 (walk_insn_part): Don't check whether we have register constraints.
11216 (main): Don't write out "#define REGISTER_CONSTRAINTS".
11217 * genoutput.c (have_constraints): Delete.
11218 (main): Don't set it.
11219 (output_operand_data): We always have constraints.
11220 (scan_operands): Likewise.
11221 (compare_operands): Likewise.
11222 * local-alloc.c (block_alloc): We always have constraints.
11223 (requires_inout): Always compile this function.
11224 * recog.c (extract_insn): We always have constraints.
11225 (constrain_operands, reg_fits_class_p): Always compile these
11227 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
11229 (struct insn_operand_data): Likewise.
11230 * regclass.c (regclass): We always have constraints.
11231 (record_reg_classes, copy_cost, record_address_regs,
11232 auto_inc_dec_reg_p): Always compile these functions.
11233 * regmove.c (regmove_optimize): We always have constraints.
11234 * reload.c (find_reloads): Likewise.
11235 * reload1.c (reload): Likewise.
11236 (reload_cse_simplify_operands): Likewise.
11237 * i860.c (output_delay_insn): Likewise.
11239 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
11241 * iris6.h (BUILD_VA_LIST_TYPE): Define.
11243 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11245 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
11246 for the va_list record.
11248 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
11250 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
11253 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
11255 * alias.c: Include insn-flags.h.
11256 * Makefile.in (alias.o): Update.
11258 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
11260 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
11261 to LTU and GEU. Handle more cases using sbb.
11263 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
11265 * i386.md (truncatexfdf splitters): Do not use subreg.
11266 (fop XFmode patterns): Fix mode in operand testing.
11268 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
11270 * jump.c (jump_optimize_1): Amend last change to test only the
11271 form of the operand, not the insn.
11273 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
11274 not register_operand to determine when B may need preloading.
11276 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
11278 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
11279 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
11280 (call-value patterns): Move to end of file.
11281 (*): Remove mode from label_ref in (pc) context.
11282 (movstrqi): Use memory not general_operand for BLKmode operands.
11283 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
11284 to register_operand operands.
11285 (peep2 patterns): Convert from commented-out peephole patterns.
11287 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11289 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
11290 to BUILT_IN_INIT_DWARF_REG_SIZES.
11291 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
11292 Renamed from BUILT_IN_DWARF_REG_SIZE; call
11293 expand_builtin_init_dwarf_reg_sizes.
11294 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
11295 with __builtin_init_dwarf_reg_size_table.
11296 * dwarf2out.c (struct reg_size_range): Delete.
11297 (expand_builtin_init_dwarf_reg_sizes): New function.
11298 (expand_builtin_dwarf_reg_size): Delete.
11299 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
11300 (expand_builtin_dwarf_reg_size): Don't declare.
11301 * libgcc2.c (dwarf_reg_size_table_initialized): New.
11302 (dwarf_reg_size_table): New.
11303 (init_reg_size_table): New function.
11304 (copy_reg): Use dwarf_reg_size_table.
11305 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
11308 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
11310 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
11311 Correctly build argument list to constructor and destructor functions.
11313 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
11315 * c-tree.h (warn_float_equal): Declare.
11316 * c-decl.c (warn_float_equal): Define.
11317 (c_decode_option): Recognize -W[no-]float-equal.
11318 * c-typeck.c (build_binary_op): Conditionally warn
11319 about equality tests of floating point types.
11320 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
11321 * invoke.texi: Add docs for -Wfloat-equal warning.
11323 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
11325 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
11326 generating RTL directly.
11327 * mips.h (INIT_TARGET_OPTABS): Likewise.
11328 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
11330 * expr.h (init_mov_optab): Delete declaration
11332 * h8300.c (WORD_REG_USED): Update to avoid useless register
11333 saves in interrupt functions and functions which never return.
11335 * cse.c (struct set): Delete inner_dest_loc field.
11336 (cse_insn): Remove assignments to inner_dest_loc field.
11338 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
11340 * ggc-page.c: Don't include <unistd.h> etc taken care of
11341 by "system.h". Include <sys/mman.h> afterward.
11343 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
11345 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
11348 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
11350 * xcoffout.c (xcoffout_declare_function): Add documentation.
11351 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
11352 TARGET_64BIT. Compare constant to -1, not bit pattern.
11353 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
11354 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
11357 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
11359 * dwarf2out.c (add_abstract_origin_attribute): Abort if
11360 origin_die is NULL.
11361 (gen_inlined_enumeration_type_die): Do not abort if the type has
11362 not been writeen out.
11363 (gen_inlined_structure_type_die): Do not abort if the type has
11364 not been writeen out.
11365 (gen_inlined_union_type_die): Do not abort if the type has
11366 not been writeen out.
11367 (gen_tagged_type_instantiation_die): Do not abort if the type
11368 has not been written out.
11370 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11372 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
11374 * reg-stack.c (straighten_stack): Copy hard reg set with
11377 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
11379 * builtins.c (stabilize_va_list): Stabilize array type va_list
11380 to a pointer type, not the base record type.
11381 (expand_builtin_va_copy): Dereference the pointers explicitly;
11382 use the correct size for the copy.
11384 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
11385 (rs6000_va_arg): Likewise.
11387 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
11389 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
11391 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
11393 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
11395 (DECL_BUILT_IN_CLASS): Adjust accordingly.
11397 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
11399 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
11400 (init_ggc): Use it instead of a constant.
11401 (ggc_collect): Bound allocated_last_gc by it.
11403 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
11405 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
11408 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
11410 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
11411 (mips*-*-openbsd*): Let big endian configuration be a fragment.
11412 * configure: Regen.
11413 * config/mips/openbsd.h: New, OpenBSD little endian target.
11414 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
11415 * config/mips/xm-openbsd.h: New, OpenBSD host.
11417 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
11419 * config/m68k/m68k.c (output_function_prologue,
11420 output_function_epilogue): Use
11421 current_function_uses_pic_offset_table instead of regs_ever_live
11422 to decide whether to save/restore pic register.
11423 (legitimize_pic_address): Don't modify regs_ever_live any more.
11425 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
11427 * function.h (struct function): Add x_dont_save_pending_sizes_p.
11428 * stor-layout.c (variable_size): Don't add sizes to the pending
11429 sizes list if x_dont_save_pending_sizes_p is set.
11431 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
11433 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
11434 for symbolic_operand().
11435 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
11437 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11439 * combine.c (gen_rtx_combine): Add missing call to va_end().
11441 * final.c (asm_fprintf): Likewise.
11443 * genattrtab.c (attr_rtx): Likewise.
11445 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
11447 * cse.c: Update comments.
11448 (cse_insn): When converting a conditional/computed jump into
11449 an unconditional jump, always make sure a BARRIER immediately
11450 follows the converted jump. Do not delete unreachable code.
11451 (cse_basic_block): Do not delete unreachable code.
11452 * toplev.c (rest_of_compilation): Move call to
11453 delete_trivially_dead_insns after the conditional call to
11456 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11458 * collect2.c (make_temp_file): Don't prototype.
11460 * gcc.c (make_temp_file): Likewise.
11462 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
11464 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
11466 * varasm.c (asm_emit_uninitialised): New function: Generate
11467 the assembler statements necessary to declare an uninitialised
11469 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
11471 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
11472 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
11474 (assemble_variable): Use asm_emit_uninitialised to emit an
11475 uninitialised variable.
11477 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
11479 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
11480 constant on a 64 bit host. Patch supplied by Geoffrey Keating
11481 <geoffk@cygnus.com>.
11483 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11485 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
11486 * c-common.h (builtin_function): Don't declare.
11488 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
11490 (pushdecl): Likewise.
11491 (finish_decl): Likewise.
11492 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
11493 int. All callers changed.
11494 Set the builtin's DECL_BUILT_IN_CLASS.
11495 * tree.h (enum built_in_class): New.
11496 (enum built_in_function): Delete NOT_BUILT_IN.
11497 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
11499 (DECL_SET_FUNCTION_CODE): Likewise.
11500 (DECL_BUILT_IN_CLASS): New macro.
11501 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
11502 (struct tree_decl): Split builtin function code field into a
11504 (builtin_function): Declare.
11506 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
11508 * optabs.c (init_traps): Fix typo in last change.
11510 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
11512 * toplev.c (rest_of_decl_compilation): Update comment.
11514 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
11516 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
11517 in .sbss if appropriate.
11518 (EXTRA_SECTION_FUNCTIONS): Add sbss.
11519 (SBSS_SECTION_ASM_OP): New macro.
11520 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
11521 (EXTRA_SECTIONS): Add in_sbss.
11522 * config/mips/mips.h: Prototype sbss_section.
11524 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
11526 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
11529 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
11531 * optabs.c (init_traps): Register trap_rtx as a GC root.
11533 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11535 * config/mips/mips.c (function_arg_pass_by_reference): Define
11536 unconditionally, since it's called unconditionally.
11538 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
11540 * toplev.c (documented_lang_options): Add -fshort-wchar.
11541 * c-decl.c (c_decode_option): Likewise.
11542 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
11544 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
11545 * gcc.c (default_compilers): If -fshort-wchar,
11546 override __WCHAR_TYPE__.
11547 * tm.texi (C Dialect Options): Add -fshort-wchar.
11549 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
11550 symbol for a variable.
11552 * cpplib.h (CPP_PREPROCESSED): New macro.
11553 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
11554 we're seeing this input for a second time.
11556 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
11558 * emit-rtl.c (init_emit_once): Initialize modes first.
11560 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
11562 * config/i386/i386.c (pic_label_name): Change to char pointer.
11563 (global_offset_table): New variable.
11564 (load_pic_register): Fill global_offset_table if it hasn't
11565 already been done. Allocate pic_label_name dynamically.
11566 * ggc.h (empty_string): New variable.
11567 * ggc-simple.c (empty_string): Likewise.
11568 (init_ggc): Allocate empty_string and add as root.
11569 * stmt.c (digit_strings): New variable.
11570 (init_stmt): Add last_block_end_note as root. Allocate and
11571 initialize digit_strings.
11572 (expand_asm_operands): Use empty_string instead of string
11573 constant. Use digit_strings instead of string constants.
11574 * profile.c (init_arc_profiler): Allocate string with
11575 ggc_alloc_string instead of xmalloc.
11576 (output_func_start_profiler): Likewise.
11577 * c-typeck.c (digest_init): Check if init is error_mark_node.
11579 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
11580 Richard Henderson <rth@cygnus.com>
11582 * ggc-page.c: New file.
11583 * Makefile.in (ggc-page.o): New.
11585 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
11587 * invoke.texi: Document -fdelete-null-pointer-checks
11588 * toplev.c (flag_delete_null_pointer_checks): New.
11589 (f_options): Add entry for -fdelete-null-pointer-checks.
11590 (rest_of_compilation): Conditionalize null pointer check
11591 elimination on flag_delete_null_pointer_checks.
11592 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
11594 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
11596 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
11597 copyright notice and special exception to GPL.
11599 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11601 * abi64.h (mips_function_value): Add prototype arguments.
11603 * mips-protos.h: New file with mips prototypes.
11605 * mips.c: Include "tm_p.h".
11606 (mktemp, lookup_name): Add prototype arguments.
11607 (extern_list, string_constant, mips_fill_delay_slot,
11608 mips_output_external, mips_output_external_libcall,
11609 mips_output_filename, mips_declare_object, function_prologue,
11610 mips_expand_prologue, function_epilogue, mips16_constant,
11611 build_mips16_function_stub, mips_output_conditional_branch):
11613 (mips_va_start): Remove unused variable `u'.
11614 (mips_va_arg): Cast value to unsigned when comparing against one.
11616 (save_restore_insns, mips_expand_prologue): Add missing arg in
11617 call to `large_int'.
11619 * mips.h: Move prototypes to mips-protos.h.
11620 (data_section, memory_address_p, rdata_section,
11621 readonly_data_section, simple_epilogue_p, text_section): Delete
11622 prototypes delcared elsewhere.
11623 (mips_epilogue_delay_slots, print_options): Delete unused decls.
11625 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
11627 * mips.md: Delete extra args in call to `mips_move_2words'.
11629 * xm-iris6.h (alloca): Add prototype argument.
11631 * genpeep.c: Include "tm_p.h" in generated output file.
11633 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
11635 * basic-block.h (find_edge_index): Change parameters.
11636 * flow.c (verify_edge_list): Pass basic_block parameters to
11637 find_edge_index instead of integers.
11639 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
11641 * combine.c (simplify_comparison): Use an unsigned shift to adjust
11644 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
11646 * gcc.1: Fix a formatting error.
11648 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11650 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
11651 i786, mn10200, mn10300, pdp11, v850.
11653 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
11655 * libgcc2.c (num_digits): Add prototype with
11656 __attribute__((const)).
11657 (__terminate): Add prototype.
11659 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
11661 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
11663 * alpha/alpha.c (print_operand): Fix type of `code'.
11664 (alpha_output_filename): Constify.
11665 * alpha/alpha.h: Move all function declarations ...
11666 * alpha/alpha-protos.h: ... here. New file.
11667 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
11668 (SECTION_FUNCTION_TEMPLATE): Likewise.
11670 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11672 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
11673 * expr.c (expand_expr): Likewise.
11674 (do_jump): Likewise.
11675 (do_store_flag): Pass ccp_store_flag to can_compare_p.
11676 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
11678 (enum can_compare_purpose): New.
11679 (can_compare_p): Adjust prototype.
11680 (prepare_cmp_insn, prepare_operand): Declare.
11681 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
11682 * optabs.c (cmp_available_p): Deleted.
11683 (expand_abs): Pass ccp_jump to can_compare_p.
11684 (can_compare_p): New arg PURPOSE. Check for combined optabs.
11685 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
11686 Call can_compare_p rather than cmp_available_p.
11687 (prepare_operand): No longer static.
11688 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
11689 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
11690 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
11691 sequence to use emit_cmp_and_jump_insns.
11692 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
11694 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
11696 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
11697 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
11698 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
11699 (plus (reg) (const_int 0))
11700 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
11702 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
11704 * rs6000.c (expand_block_move): DImode loads and stores require
11705 word-aligned displacements. Increment address registers with
11706 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
11708 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
11710 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
11711 is no name for the base type, rather than segfault. If we are
11712 writing out a complex integer type, use DW_ATE_lo_user.
11714 * expr.c (emit_move_insn_1): If we are copying a complex that fits
11715 in one word or less (complex char, complex short, or on 64 bit
11716 systems complex float) to/from a hard register, copy it through
11717 memory instead of dying in gen_{real,imag}part. If we have a
11718 short complex type, prevent inlining since it allocates stack
11721 * tree.c (build_complex_type): If we are writing dwarf2 output,
11722 generate a name for complex integer types.
11724 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
11726 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
11727 * flow.c (remove_edge): Remove extra whitespace.
11728 (remove_fake_edges): Fix comment.
11729 (add_noreturn_fake_exit_edges): Use the correct name.
11731 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
11733 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
11734 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
11735 (clean): Depend on INTL_CLEAN.
11736 (maintainer-clean): Adjust.
11738 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11740 * configure.in (AC_PREREQ): Bump to 2.13.
11741 (AC_C_STRINGIZE): Call this instead of using a custom macro.
11743 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
11745 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
11747 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
11749 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
11750 (HAVE_STRINGIZE): Define.
11752 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
11754 * c-parse.in: save and restore warn_pointer_arith on __extension__
11755 along with pedantic.
11756 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
11757 Set the type of extension to itype rather than $<itype>1 kludge.
11758 * extend.texi (Alternate Keywords): Adjust documentation.
11759 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
11761 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
11763 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
11764 most assembler templates.
11766 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
11767 FP loads and stores.
11768 (following_call): Always return zero for the PA8000.
11769 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
11770 FP loads and stores.
11771 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
11773 * pa.h (BRANCH_COST): Define.
11775 * pa.md (return, return_internal): Use bve for PA2.0.
11777 * pa.md (fused multiply): Add variants which reduce height for the
11778 fused multiply, but which still generate 2 insns.
11779 (fnegabs): Similarly.
11781 * pa.md (subsi3): Turn into an expander. Create two anonymous
11782 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
11783 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
11785 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
11787 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
11789 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
11790 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
11792 * regclass.c (init_regs): Add "top_of_stack" as a garbage
11795 * flow.c (record_active_eh_regions): Terminate loop after finding
11796 the last insn in the last basic block.
11798 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11800 * config/c4x/c4x.md: Delete parallel instruction peepholes.
11802 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11804 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
11806 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11808 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
11809 splitting to not use output template.
11811 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11813 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
11814 * config/c4x/c4x.c (c4x_va_start): New function.
11816 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
11818 * genrecog.c (not_both_true): Handle correctly cases when called for
11819 tests with different positions in the insn.
11821 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11823 * machmode.h (HOST_PTR_PRINTF): Move from here ...
11825 * system.h (HOST_PTR_PRINTF): ... to here.
11827 * mips-tfile.c: Don't include machmode.h.
11829 * Makefile.in (MACHMODE_H): New variable. Update to use it.
11830 (mips-tfile.o): Don't depend on machmode.h.
11832 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11834 * haifa-sched.c (sched_analyze): Rename local variable `region' to
11835 avoid conflicts with typedef struct `region' at the top level scope.
11837 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
11839 * basic-block.h (basic_block): Add eh_beg, eh_end.
11840 * flow.c (entry_exit_blocks): Update.
11841 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
11842 Call new functions.
11843 (find_basic_blocks_1): Don't record eh_list at each bb. Use
11844 lists.c functions to allocate insn lists.
11845 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
11847 (make_eh_edge): ... here. New.
11848 (move_stray_eh_region_notes): New.
11849 (record_active_eh_regions): New.
11850 (delete_unreachable_blocks): Split out block merging ...
11851 (try_merge_blocks): ... here. New.
11852 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
11853 Dump debugging data.
11854 (merge_blocks_move_successor_nojumps): Likewise.
11855 (merge_blocks): Use eh_beg+eh_end to validate block movement.
11857 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11859 * extend.texi (Bound member functions): Document unbound pmf
11862 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
11864 * flow.c (split_edge): Handle insertion on a fallthrough edge which
11865 has the EXIT_BLOCK as a dest.
11867 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
11869 * flow.c (remove_edge): New function to remove an edge from the
11871 (remove_fake_successors): New function to remove fake successor edges.
11872 (remove_fake_edges): New function to remove all fake edges from the
11874 (add_fake_exit_edges): New function to add fake edges from all blocks
11875 with no successors to the exit block.
11876 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
11877 prototypes for new functions.
11879 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
11881 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
11882 Use Pmode to determine whether to output .dword or .word.
11884 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
11886 * tree.c (built_in_filename): New variable.
11887 (BUILT_IN_FILENAME): New macro.
11888 (init_tree_codes): Allocate built_in_filename.
11889 (make_node): Use built_in_filename instead of string constant.
11891 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
11893 * configure.in: Add fr30 target.
11894 * configure: Regenerate.
11895 * config/fr30: New directory.
11896 * config/fr30/crti.asm: New file.
11897 * config/fr30/fr30.c: New file.
11898 * config/fr30/crtn.asm: New file.
11899 * config/fr30/fr30.h: New file.
11900 * config/fr30/fr30.md: New file.
11901 * config/fr30/lib1funcs.asm: New file.
11902 * config/fr30/t-fr30: New file.
11903 * config/fr30/xm-fr30.h: New file.
11905 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
11907 * flow.c (merge_blocks_move_successor_nojumps): Delete the
11908 BARRIER at the end of the successor, not the BARRIER before
11911 * pa.c (pa_add_gc_roots): Fix thinko in last change.
11913 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
11915 * stmt.c (any_pending_cleanups): Don't crash when
11916 current_function->stmt is unset.
11918 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11920 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
11921 other initializations that may use it for relative offsets.
11923 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11925 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
11926 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
11927 * config/i386/sol2dbg.h: Removed.
11928 * config/i386/sol2gas.h: New file, to enable gas work-around.
11929 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
11930 Don't use sol2dbg.h.
11931 * configure: Rebuilt.
11933 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
11935 * invoke.texi (-fthis-is-variable): Remove documentation.
11937 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
11939 * basic-block.h (compute_bb_for_insn): Declare.
11940 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
11941 to use; set size of basic_block_for_insn directly.
11942 (find_basic_blocks): Update.
11944 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11946 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
11948 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11950 * crtstuff.c (ON_EXIT): Delete empty macro definition.
11951 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
11953 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
11955 * c-decl.c (c_decode_option): Extend comment.
11957 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
11959 * toplev.c (progname): Make 'const char *'
11960 (flag_print_mem): Move out of main.
11961 (version_flag): Move out of main.
11962 (filename): Move out of main.
11963 (debug_args): Remove g prefix from options.
11964 (documented_lang_options): Remove cpplib specific options.
11965 (display_help): Add g prefix to debug options.
11966 (check_lang_option): Delete this function.
11967 (decode_d_option): New function: Decode -d... option.
11968 (decode_f_option): New function: Decode -f... option.
11969 (decode_W_option): New function: Decode -W... option.
11970 (decode_g_option): New function: Decode -g... option.
11971 (independent_decode_option): New function: Decode a language
11972 independent command line option.
11973 (main): Invoke lang_decode_option and then
11974 independent_decode_option on each command line option in
11977 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
11979 Revert this change. Gavin's patch to operand_equal_p is a better fix.
11980 * fold-const.c (fold_range_test): Do not try to fold the range
11981 test if the rhs or lhs has side effects.
11983 * basic-block.h (compute_flow_dominators): Declare.
11985 * gcse.c (alloc_code_hoist_mem): New function.
11986 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
11987 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
11988 (hoist_code, one_code_hoisting_pass): Likewise.
11989 (gcse_main): If optimizing for size, then hoist expressions
11990 computed in multiple dominated basic blocks.
11992 * gcse.c (invalid_nonnull_info): New function.
11993 (delete_null_pointer_checks): Likewise.
11994 * rtl.h (delete_null_pointer_checks): Declare.
11995 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
11997 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
11998 (merge-blocks_move_successor_nojumps): Likewise.
11999 (merge_blocks): Allow merging of some blocks, even if it requires
12000 physical movement of the blocks, but not if it requires new jumps.
12002 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
12003 Callers and prototype changed.
12004 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
12006 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12008 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
12009 -YP when both -p and -pg are present. From i386/sol2.h.
12011 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12013 * Makefile.in (distclean): Delete tm_p.h.
12014 * configure.in: Create a new file, "tm_p.h", from a list in
12015 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
12016 "i386/i386-protos.h".
12018 * alias.c: Include "tm_p.h".
12019 * c-typeck.c: Likewise.
12020 * calls.c: Likewise.
12022 * emit-rtl.c: Likewise.
12023 * explow.c: Likewise.
12024 * expmed.c: Likewise.
12025 * expr.c: Likewise.
12026 * final.c: Likewise.
12027 * flow.c: Likewise.
12028 * fold-const.c: Likewise.
12029 * function.c: Likewise.
12030 * gcse.c: Likewise.
12031 * global.c: Likewise.
12032 * haifa-sched.c: Likewise.
12033 * integrate.c: Likewise.
12034 * jump.c: Likewise.
12035 * local-alloc.c: Likewise.
12036 * loop.c: Likewise.
12037 * optabs.c: Likewise.
12038 * recog.c: Likewise.
12039 * reg-stack.c: Likewise.
12040 * regclass.c: Likewise.
12041 * regmove.c: Likewise.
12042 * reload.c: Likewise.
12043 * reload1.c: Likewise.
12044 * reorg.c: Likewise.
12045 * resource.c: Likewise.
12046 * stmt.c: Likewise.
12047 * stor-layout.c: Likewise.
12048 * toplev.c: Likewise.
12049 * tree.c: Likewise.
12050 * unroll.c: Likewise.
12051 * genattrtab.c (main): Make generated file include "tm_p.h".
12052 * genemit.c (main): Likewise.
12053 * genoutput.c (main): Likewise.
12054 * genrecog.c (main): Likewise.
12056 * i386.h: Delete all prototypes.
12057 * i386.c: Include "tm_p.h".
12058 (ix86_attr_length_default): Call constant_call_address_operand
12059 with correct number of arguments.
12060 * i386-protos.h: New file.
12061 * i386.md (unnamed patterns): Call constant_call_address_operand
12062 with correct number of arguments.
12063 (exception_receiver): Call load_pic_register with correct number
12066 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
12068 * c-pragma.c (mark_align_stack): Dereference the void* properly.
12070 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
12072 * rtl.h (insns_safe_to_move_p): New function.
12073 * loop.c (find_and_verify_loops): Use it.
12074 * rtlanal.c (insns_safe_to_move_p): Define it.
12076 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
12078 * c-pragma.c: Include ggc.h.
12079 * Makefile.in (c-pragma.o): Update.
12081 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12083 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
12084 (LIB_SPEC): Likewise.
12085 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
12086 Reindent -YP/-p/-pg.
12087 Copied from config/sparc/sol2.h.
12089 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
12091 * c-pragma.c (mark_align_stack): New.
12092 (init_pragma): New.
12093 * c-pragma.h (init_pragma): Declare it.
12094 * c-lex.c (init_parse): Call it.
12096 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12098 * configure.in: Pick up thread library on Solaris/x86 just
12099 like on Solaris/sparc.
12100 * configure: Rebuilt.
12102 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
12104 * rtl.h (global_rtx_index): New enum.
12105 (global_rtl): Change to array of rtx.
12106 (pc_rtx, cc0_rtx): Redefine accordingly.
12107 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
12108 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
12109 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
12110 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
12111 (const_int_rtx): Change to array of rtx.
12112 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
12114 * emit-rtl.c (global_rtl): Change to array of rtx.
12115 (const_int_rtx): Change to aray of rtx.
12116 (gen_rtx_CONST_INT): Redefine accordingly.
12117 (init_emit_once): Allocate and initialize global_rtl. Likewise
12118 for const_int_rtx. Add both as GC roots.
12119 * genattrtab.c (global_rtl): Update declaration.
12121 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
12123 * Makefile (USER_H): Add iso646.h back.
12125 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
12127 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
12128 zapping the LOG_LINKS of sched_before_next_call.
12130 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
12131 * pa.c (insn_refs_are_delayed): Renamed from
12132 insn_sets_and_refs_are_delayed.
12134 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
12136 * functiion.h (struct function): Add x_whole_function_mode_p.
12137 (retrofit_block): Declare.
12138 * function.c (retrofit_block): New function.
12139 (identify_blocks): Add assertions. Allow an incomplete set of
12140 block notes if we're still generating code for the function.
12141 * integrate.c: Include loop.h.
12142 (expand_inline_function): Call find_loop_tree_blocks to map block
12143 notes to blocks when in whole-function mode. Use retrofit_block
12144 to insert new BLOCKs for the inlined function, rather than
12146 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
12147 * Makefile.in (integrate.o): Depend on loop.h.
12149 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
12151 * tree.h (warn_about_unused_variables): Declare.
12152 * stmt.c (warn_about_unused_variables): New function, split out
12154 (expand_end_bindings): Here.
12156 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
12158 * stmt.c (preserve_subexpressions_p): Don't crash when
12159 current_function->stmt is unset.
12161 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
12163 * stmt.c (expand_start_bindings): Allow callers to pass a flag
12164 indicating that no NOTE_INSN_BLOCK_BEG note is required.
12165 (expand_start_target_temps): Use it.
12166 * except.c (expand_eh_region_start_for_decl): Likewise.
12167 * expr.c (expand_expr): Likewise.
12169 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
12171 * fold-const.c (operand_equal_p): Pay attention to side effects.
12173 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
12175 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
12176 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
12178 * tlink.c (scan_linker_output): Look for keywords before accepting
12179 a mangled name in quotes.
12181 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
12183 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
12184 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
12186 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
12188 * alpha.md: Revert Thu Nov 26 change that came in through the
12189 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
12190 Avoid earlyclobber when possible.
12192 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12194 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
12196 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
12197 Define HAVE_ON_EXIT.
12199 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12201 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
12202 CTYPE_CONV in all ctype macros.
12204 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
12207 * cexp.y (initialize_random_junk): Likewise.
12209 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
12211 * i370.c (handle_pragma): Likewise.
12213 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
12215 * v850.c (override_options): Likewise.
12217 * doprint.c (_doprnt): Likewise.
12219 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
12222 * fixinc/server.c (load_data): Likewise.
12224 * fold-const.c (real_hex_to_f): Likewise.
12226 * genattr.c (write_upcase, gen_attr): Likewise.
12228 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
12229 write_upcase): Likewise.
12231 * genemit.c (print_code): Likewise.
12233 * genopinit.c (gen_insn): Likewise.
12235 * genpeep.c (print_code): Likewise.
12237 * genrecog.c (print_code): Likewise.
12239 * optabs.c (init_libfuncs): Likewise.
12241 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
12243 * haifa-sched.c (sched_analyze): Keep the list of notes organized
12245 (reemit_notes): Likewise.
12247 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
12249 * ggc.h (ggc_root): Move to ggc-common.c.
12251 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
12252 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
12253 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
12254 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
12255 * ggc-common.c (ggc_root): Move from ggc.h.
12256 (roots): Declare, static.
12257 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
12258 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
12259 null or check/set mark bit.
12260 (ggc_mark_roots): New.
12261 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
12263 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
12265 * m32r.c: Include toplev.h.
12266 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
12267 (gen_compare): Rename swap_p to must_swap to match uses.
12268 Add default abort case.
12269 (m32r_output_function_epilogue): Remove unused variables.
12270 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
12271 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
12272 define to empty parameter list. Update all uses.
12273 (predicate decls): Use enum machine_mode not int.
12274 * m32r.md (movsi): Call abort, not fatal_insn.
12275 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
12277 1999-09-14 Andrew Haley <aph@cygnus.com>
12279 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
12280 use $0 instead of 0.
12282 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12284 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
12285 computation out of loop over hard regs.
12287 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
12289 * function.c (identify_blocks): Don't shadow a variable in an
12291 * integrate.c (integrate_decl_tree): Don't use pushlevel,
12292 pushdecl, or poplevel to build up the new BLOCK tree.
12293 (expand_inline_function): Likewise.
12294 (integrate_parm_decls): Likewise.
12296 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
12298 * c-typeck.c (qualify_type): Merge qualifiers from both types.
12300 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
12302 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
12303 * invoke.texi: Document this change.
12305 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
12307 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
12309 (mark_emit_status): Renamed from mark_emit_state.
12310 * except.c (mark_eh_status): Renamed from mark_eh_state.
12311 Check not null before marking.
12312 (free_eh_status): New.
12313 * expr.c (mark_expr_status, free_expr_status): New.
12314 * function.c (free_machine_status): New.
12315 (free_after_parsing): New.
12316 (free_after_compilation): Move bits to free_after_parsing; call
12317 free_eh_status, free_expr_status; zero the marked members of the
12319 (prepare_function_start): No can_garbage_collect.
12320 Call init_eh_for_function.
12321 (expand_dummy_function_end): Free up current_function state.
12322 (mark_function_status): Renamed from mark_function_state.
12323 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
12324 * function.h (struct function): No can_garbage_collect.
12325 (free_machine_status, free_after_parsing): Declare.
12326 (free_eh_status, free_expr_status): Declare.
12327 * ggc.h (mark_expr_status): Declare.
12328 * stmt.c (free_stmt_status): Free the struct.
12329 (mark_stmt_status): Renamed from mark_stmt_state.
12330 (init_stmt): Don't call init_eh.
12331 (init_stmt_for_function): Don't call init_eh_for_function.
12332 * toplev.c (compile_file): Call init_eh.
12333 (rest_of_compilation): Free basic block info before ggc_collect.
12334 Call free_after_parsing; conditionally call free_after_compilation.
12335 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
12336 Check not null before marking.
12337 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
12339 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
12341 * c-lex.c (yylex): Initialize warn.
12343 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
12345 * pa.c (emit_move_sequence): Properly set the mode of the scratch
12346 register when performing secondary reloads for the SAR register.
12348 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
12350 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
12351 (NOTE_BLOCK): New macro.
12352 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
12353 * function.h (identify_blocks): Change prototype.
12354 * function.c (identify_blocks): Simplify.
12355 (reorder_blocks): Likewise.
12356 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
12357 NOTE_INSN_BLOCK_{BEG,END}.
12358 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
12359 the list of saved notes if the note isn't a
12360 NOTE_INSN_BLOCK_{BEG,END}.
12361 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
12363 (reemit_notes): Adjust recreation of notes to reflect new saved
12365 * print-rtl.c (print_rtx): Print the address of the BLOCK when
12366 printing a block note.
12367 * stmt.c (block_vector): Remove.
12368 (find_loop_tree_blocks): Simplify.
12369 (unroll_block_trees): Likewise.
12370 * tree.h (reorder_block): Change prototype.
12372 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
12374 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
12375 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
12376 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
12377 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
12378 (atexit, exit): Simplify.
12379 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
12380 * config/lots: Remove defns of HAVE_ATEXIT.
12382 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
12384 * calls.c (precompute_arguments): Fix typo in comment.
12385 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
12388 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
12390 * dsp16xx.c (override_options): Fix typos in GC root registration.
12392 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
12394 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
12395 from config/svr4.h.
12396 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
12397 (FUNCTION_PROFILER): Redefine appropriately for Linux.
12398 (CC1_SPEC): Likewise.
12400 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12402 * genattr.c (main): Add extern prototype. Call return, not exit.
12403 * genattrtab.c (main): Likewise.
12404 * gencheck.c (main): Likewise.
12405 * gencodes.c (main): Likewise.
12406 * genconfig.c (main): Likewise.
12407 * genemit.c (main): Likewise.
12408 * genextract.c (main): Likewise.
12409 * genflags.c (main): Likewise.
12410 * gengenrtl.c (main): Likewise.
12411 * genopinit.c (main): Likewise.
12412 * genoutput.c (main): Likewise.
12413 * genpeep.c (main): Likewise.
12414 * genrecog.c (main): Likewise.
12416 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
12417 * genattrtab.c (get_insn_name): Likewise.
12418 * gencodes.c (get_insn_name): Likewise.
12419 * genconfig.c (get_insn_name): Likewise.
12420 * genemit.c (get_insn_name): Likewise.
12421 * genextract.c (get_insn_name): Likewise.
12422 * genflags.c (get_insn_name): Likewise.
12423 * genopinit.c (get_insn_name): Likewise.
12424 * genpeep.c (get_insn_name): Likewise.
12426 * gencheck.c (usage): Add static prototype.
12427 * genextract.c (print_path): Constify a char*.
12428 * genopinit.c (optabs): Likewise.
12429 * genoutput.c (operand_data, data, output_predicate_decls,
12430 compare_operands): Likewise.
12431 * genrecog.c (write_tree): Add default case in switch.
12433 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12435 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
12437 * print-rtl.c (get_insn_name): Remove prototype.
12439 * toplev.h (progname): Declare const.
12441 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
12442 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
12443 dump_sched_info, dump_local_alloc, regset_release_memory,
12444 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
12445 error_with_file_and_line, error_with_decl, error_for_asm, error,
12446 fatal, warning_with_file_and_line, warning_with_decl, warning,
12447 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
12448 Remove redundant prototypes.
12450 (notice, check_lang_option, report_file_and_line, vnotice,
12451 mark_file_stack): Add static prototype.
12452 (set_fatal_function): Add prototype.
12453 (vnotice, report_file_and_line, set_fatal_function,
12454 check_lang_option): Constify a char*.
12455 (main): Prototype. Call return, not exit.
12457 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12459 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
12461 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
12463 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
12465 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
12467 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12469 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
12470 behave as if it's zero in all cases.
12471 (expand_function_start): Adjust call to assign_parms.
12472 * tree.h (assign_parms): Adjust prototype.
12473 * objc/objc-act.c (hack_method_prototype): Adjust call to
12476 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
12478 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
12479 arg_pointer_rtx fixed if the argument pointer register is
12481 (NONZERO_BASE_PLUS_P): Likewise.
12483 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
12485 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
12486 match_insn2 to match_insn.
12487 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
12489 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
12491 * Makefile.in (USER_H): Remove va-foo.h.
12493 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
12494 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
12495 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
12496 va-spur.h,va-v850.h}: Remove.
12498 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
12500 * sparc/sparc.md (eligible_for_return_delay): New attribute.
12501 (in_return_delay): Use it instead of match_insn.
12503 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12505 * config/alpha/va_list.h (va-alpha.h): Do not include.
12506 (__gnuc_va_list): Typedef as in varargs.h.
12508 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
12510 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
12511 DECL_LIVE_RANGE_RTL.
12513 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
12515 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
12516 not NOTE_BLOCK_NUMBER.
12517 (expand_eh_region_end): Likewise.
12518 (find_exception_handler_labels): Likewise.
12519 (scan_region): Likewise.
12520 (exception_optimize): Likewise.
12521 (update_rethrow_references): Likewise.
12522 (set_insn_eh_region): Likewise.
12523 * final.c (final_scan_insn): Likewise.
12524 * flow.c (make_edges): Likewise.
12525 * integrate.c (expand_inline_function): Likewise.
12526 * print-rtl.c (print_rtx): Likewise.
12528 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
12530 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
12531 terms of builtin functions and types.
12533 * mips.c (mips_build_va_list): New.
12534 (mips_va_start, mips_va_arg): New.
12535 * mips.h (BUILD_VA_LIST_TYPE): New.
12536 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
12538 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
12539 (sh_build_va_list, sh_va_start, sh_va_arg): New.
12540 * sh.h (BUILD_VA_LIST_TYPE): New.
12541 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
12543 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
12545 * recog.h (struct recog_data): Make dup_num, operand_address_p,
12546 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
12547 (struct insn_data): Likewise with n_operands, n_dups,
12548 n_alternatives, output_format.
12549 * regclass.c (scan_one_insn): Cast n_operands to int before
12550 arithmetic inside comparison.
12552 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
12554 * toplev.c (compile_function): Unconditionally emit nop.
12556 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12558 * haifa-sched.c (actual_hazard): Move declaration of variable
12559 `this_cost' into the scope where it is used.
12561 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12563 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
12564 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
12565 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
12567 * genrecog.c (make_insn_sequence): Call memset, not bzero.
12569 * jump.c (find_insert_position): Don't declare or define unless
12570 !HAVE_conditional_arithmetic.
12571 (returnjump_p_1, delete_prior_computation): Add static prototypes.
12573 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
12575 * recog.c (offsettable_address_p): Prototype function pointer.
12576 (preprocess_constraints): Call memset, not bzero.
12578 * tree.c (tree_node_kind_names): Constify a char*. Make static.
12579 (gcc_obstack_init): Don't declare.
12580 (fix_sizetype): Add static prototype.
12581 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
12582 (tree_cons): Call memset, not bzero.
12584 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
12585 definition in macro ASM_WEAKEN_LABEL.
12586 (mark_const_hash_entry): Add static prototype.
12588 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12590 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
12592 * unroll.c (find_common_reg_term, subtract_reg_term,
12593 loop_find_equiv_value): Add static prototypes.
12594 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
12595 (copy_loop_body): Remove unreachable break statement.
12597 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
12599 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
12601 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12603 Undo some changes from the gcc2 merge:
12604 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
12605 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
12609 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
12610 * emit-rtl.c (gen_lowpart_common): Disable optimization of
12611 initialized float-int union if the value is a NaN.
12613 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
12615 * gthr-win32.h: New file.
12617 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
12618 shared as a valid attribute.
12619 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
12620 * extend.texi: Document `shared' variable attribute.
12622 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
12624 * configure.in: Handle --enable-threads on FreeBSD.
12625 * configure: Rebuit.
12627 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
12629 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
12631 * configure: Rebuilt.
12633 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
12634 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
12635 Rosimildo DaSilva <rdasilva@connecttel.com>
12637 * configure.in (m68k-*-rtemscoff*): Added.
12638 * configure.in (mips64orion-*-rtems*): Converted to ELF.
12639 * configure.in (sparc-*-rtemsaout*): Added as alias for old
12640 sparc-rtems configuration.
12641 * configure.in (sparc-*-rtemself*): Added.
12642 * configure.in (sparc-*-rtems*): Now ELF not a.out.
12643 * config/i386/rtems.h: Added comment.
12644 * config/sparc/rtemself.h: New file.
12646 * configure.in (m68k-rtemself): Added.
12647 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
12648 and DWARF_DEBUGGING_INFO.
12649 * config/m68k/crti.s: New file.
12650 * config/m68k/crtn.s: New file.
12651 * config/m68k/t-crtstuff: New file.
12652 * config/m68k/rtemself.h: New file.
12654 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
12655 global ctor/dtor and C++ exception handling.
12656 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
12657 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
12659 * config/i386/t-rtems-i386: New File.
12661 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
12663 * stmt.c (expand_end_case): Return right away if the case stack is
12666 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
12668 * Makefile.in (version.c): Remove rule incorrectly brought in from
12671 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
12673 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
12674 * msdos/top.sed: Take into account a prepended $(SHELL) to
12676 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
12678 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
12680 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12682 * regmove.c (fixup_match_1): Don't change an unchanging register.
12683 (stable_but_for_p): Renamed to:
12684 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
12685 Changed all callers.
12687 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
12689 * loop.c (strength_reduce): Don't call reg_used_between_p if the
12690 insn from BL2 is after the insn from BL.
12692 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
12694 * recog.h (INSN_OUTPUT_FORMAT_*): New.
12695 (struct insn_data): Merge `template' and `outfun' into `output'.
12696 Add `output_format'.
12697 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
12698 (struct data): Remove `outfun'; add `output_format'.
12699 (name_for_index): Remove declaration.
12700 (output_insn_data): Handle output formats.
12701 (process_template): Emit the bare array for @.
12702 (gen_expand, gen_split): Set output_format to NONE.
12703 * output.h (get_insn_template): Declare.
12704 * final.c (get_insn_template): New.
12705 (final_scan_insn): Use it.
12706 * toplev.c (compile_file): Likewise.
12708 * c4x/c4x.c (c4x_process_after_reload): Likewise.
12709 * i860/i860.c (output_delayed_branch): Likewise.
12710 (output_delay_insn): Likewise.
12712 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12714 * rtl.c (obstack_alloc_rtx): Removed.
12716 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
12718 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
12720 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
12722 * i386.c (call_insn_operand): Reject const_int.
12723 (expander_call_insn_operand): Use call_insn_operand.
12725 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12727 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
12729 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
12731 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
12732 Use DImode operation.
12734 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
12736 * gcc.c: Include sys/resource.h.
12737 (report_times): New flag.
12738 (execute): If report_times is set, calculate and report the
12739 CPU time consumed by each subprocess.
12741 (rus, prus): New globals.
12742 (option_map): Add --time.
12743 (display_help): Document -time.
12744 (process_command): Set report_times if -time is given.
12745 Turn off -pipe if -time is given.
12747 * invoke.texi: Document new option -time.
12749 * configure.in: Check for getrusage. Check if we have to
12750 prototype getrusage.
12751 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
12752 * configure: Regenerate.
12753 * config.in: Regenerate.
12755 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
12757 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
12760 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
12762 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
12763 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
12764 (nan): Return _thenan_sf or _thenan_df as appropriate.
12765 (L_thenan_sf): Define _thenan_sf.
12766 (L_thenan_df): Define _thenan_df.
12768 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
12769 (DPBIT_FUNCS): Add _thenan_df.
12771 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
12773 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
12776 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12778 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
12781 (lang_specific_driver): Don't take a function pointer parameter.
12782 All callers changed.
12784 * gcc.c: Include gcc.h.
12785 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
12786 lang_specific_extra_outfiles, fatal): Don't declare.
12787 (multilib_defaults_raw): Constify.
12788 (read_specs): Call memset, rather than bzero.
12789 (main): Call return, not exit.
12790 (lookup_compiler): Call memcpy, not bcopy.
12791 (fatal): Make extern.
12793 * cppspec.c: Include gcc.h.
12794 (lang_specific_driver): Initialize variable `quote'. Constify a
12795 char*. All calls to the function pointer parameter now
12796 explicitly call `fatal'.
12798 * gccspec.c (lang_specific_driver): Include gcc.h.
12800 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
12802 * arm.c (note_invalid_constants): Use recog_data.operand_type
12805 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12807 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
12810 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
12811 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
12812 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
12813 reload_secondary_in_reload, reload_secondary_out_reload,
12814 reload_secondary_in_icode, reload_secondary_out_icode,
12815 reload_reg_rtx, reload_when_needed): Delete declarations.
12816 (struct reload): New structure.
12817 (rld): Declare new array.
12818 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
12819 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
12820 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
12821 reload_secondary_in_reload, reload_secondary_out_reload,
12822 reload_secondary_in_icode, reload_secondary_out_icode,
12823 reload_reg_rtx, reload_when_needed): Delete definitions.
12825 (whole file): Replace uses of the deleted arrays with uses of rld.
12826 * reload1.c (whole file): Replace uses of the deleted arrays with
12828 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
12829 explicit loops, not with bcopy.
12831 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
12833 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
12834 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
12835 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
12836 insn_name): Delete and consolidate into new structures.
12837 (insn_operand_predicate_fn): New.
12838 (insn_output_fn): New.
12839 (insn_gen_fn): New.
12840 (struct insn_operand_data): New.
12841 (struct insn_data): New.
12843 (OUT_FCN): Update for insn_data change.
12844 * builtins.c (expand_builtin_strlen): Likewise.
12845 (expand_builtin_memcmp): Likewise.
12846 * combine.c (make_extraction, simplify_comparison): Likewise.
12847 * cse.c (canon_reg, cse_insn): Likewise.
12848 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
12849 * expmed.c (store_bit_field, extract_bit_field): Likewise.
12850 (emit_store_flag): Likewise.
12851 * expr.c (convert_move, emit_block_move): Likewise.
12852 (clear_storage, emit_push_insn, expand_increment): Likewise.
12853 (do_store_flag): Likewise.
12854 * expr.h (GEN_FCN): Likewise.
12855 (insn_gen_function): Die.
12856 * final.c (final_scan_insn): Update for insn_data change.
12857 (output_asm_name): Likewise.
12858 * function.c (fixup_var_refs_1): Likewise.
12859 * loop.c (check_dbra_loop): Likewise.
12860 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
12861 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
12862 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
12863 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
12864 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
12865 * regmove.c (gen_add3_insn): Likewise.
12866 * reload.c (push_secondary_reload, combine_reloads): Likewise.
12867 (find_reloads, find_reloads_address_1): Likewise.
12868 (debug_reload_to_stream): Likewise.
12869 * reload1.c (emit_reload_insns, gen_reload): Likewise.
12870 * stmt.c (expand_end_case): Likewise.
12871 * toplev.c (compile_file): Likewise.
12873 * c4x/c4x.c (c4x_process_after_reload): Likewise.
12874 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
12876 * print-rtl.c (insn_name_ptr): Remove declaration.
12877 (get_insn_name): Declare.
12878 (print_rtx): Use it.
12879 * genoutput.c (insn_name_ptr): Remove.
12880 (next_operand_number): New.
12881 (struct operand_data): New.
12882 (null_operand, odata, odata_end): New.
12883 (struct data): Use struct operand_data.
12884 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
12885 (get_insn_name): Renamed from name_for_index.
12886 (output_prologue): Define NO_MD_PROTOTYPES.
12887 (output_predicate_decls): Break out from output_epilogue.
12888 Iterate over the operands list.
12889 (output_operand_data): Break out from output_epilogue. Emit
12890 just the operands list.
12891 (output_insn_data): Break out from output_epilogue. Emit just
12893 (output_epilogue): Remove.
12894 (output_get_insn_name): New.
12895 (constraints, op_n_alternatives, predicates, address_p): Die.
12896 (modes, strict_low, seen): Die.
12897 (scan_operands): Take new param `d' instead of writing to
12898 seven global variables.
12899 (compare_operands): New.
12900 (place_operands): New.
12901 (validate_insn_alternatives): Update for struct data change.
12902 (gen_insn): Don't zero or copy 7 global arrays. Update for
12903 scan_operands; call place_operands.
12904 (gen_peephole, gen_expand, gen_split): Likewise.
12905 (main): Update for new output routines.
12907 * genattr.c (insn_name_ptr): Remove.
12908 (get_insn_name): New function.
12909 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
12910 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
12911 * genrecog.c: Likewise.
12913 * alpha.md (adddi3): Make `pattern' array static.
12915 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12917 * config/c4x/c4x.h (c4x_rpts_cycles_string,
12918 c4x_cpu_version_string): Constify char *.
12919 * config/c4x/c4x.c (c4x_rpts_cycles_string,
12920 c4x_cpu_version_string): Likewise.
12922 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
12924 * tree.c (save_tree_status): Revert 10 Sep change.
12925 (restore_tree_status): Likewise. Call obstack_free with NULL
12926 before freeing the obstack proper.
12928 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
12930 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
12932 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
12933 surrounding context.
12935 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
12937 * tree.c (type_hash_canon): Put all types in the hash-table, when
12940 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
12942 * recog.h (struct recog_data, recog_data): New.
12943 (recog_foo variables): Kill.
12944 * recog.c (recog_operand, recog_operand_loc): Kill.
12945 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
12946 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
12947 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
12948 (recog_data): Define.
12949 (extract_insn): Update all recog_foo references to use recog_data.
12950 (preprocess_constraints, constrain_operands): Likewise.
12951 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
12952 * genattrtab.c (main): Likewise.
12953 * genextract.c (main): Likewise.
12954 * genoutput.c: Likewise.
12955 * genrecog.c (write_subroutine, main): Likewise.
12956 * local-alloc.c (block_alloc): Likewise.
12957 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
12958 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
12959 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
12960 * reload.c (find_reloads, find_reloads_toplev): Likewise.
12961 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
12962 (reload_cse_simplify_operands): Likewise.
12964 * arc/arc.c (arc_final_prescan_insn): Likewise.
12965 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
12966 * h8300/h8300.c (notice_update_cc): Likewise.
12967 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
12968 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
12969 * mn10200/mn10200.c (notice_update_cc): Likewise.
12970 * mn10300/mn10300.c (notice_update_cc): Likewise.
12971 * romp/romp.c (update_cc): Likewise.
12972 * sparc/sparc.c (check_pic): Likewise.
12973 * v850/v850.c (notice_update_cc): Likewise.
12975 * genemit.c (main): Don't declare recog_operand.
12977 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
12979 * ggc.h (rtvec_def): Forward declare.
12980 (tree_node): Likewise.
12981 (ggc_root): Define.
12983 (ggc_set_mark_rtx): Add prototype.
12984 (ggc_set_mark_rtvec): Likewise.
12985 (ggc_set_mark_tree): Likewise.
12986 * ggc-simple.c (ggc_root): Don't define.
12987 (roots): Don't declare.
12988 (ggc_mark_rtx): Remove.
12989 (ggc_mark_rtvec): Likewise.
12990 (ggc_mark_tree): Likewise.
12991 (ggc_mark_varray): Likewise.
12992 (ggc_mark_tree_hash_table_entry): Likewise.
12993 (ggc_mark_tree_hash_table): Likewise.
12994 (ggc_set_mart_rtx): New function.
12995 (ggc_set_mark_rtvec): Likewise.
12996 (ggc_set_mark_tree): Likewise.
12997 (ggc_add_root): Remove.
12998 (ggc_add_rtx_root): Likewise.
12999 (ggc_remove_tree_root): Likewise.
13000 (ggc_add_string_root): Likewise.
13001 (ggc_add_tree_varray_root): Likewise.
13002 (ggc_add_tree_hash_table_root): Likewise.
13003 (ggc_del_root): Likewise.
13004 (ggc_mark_rtx_ptr): Likewise.
13005 (ggc_mark_tree_ptr): Likewise.
13006 (ggc_mark_string_ptr): Likewise.
13007 (ggc_mark_tree_varray_ptr): Likewise.
13008 (ggc_mark_tree_hash_table_ptr): Likewise.
13009 * ggc-common.c: New file.
13010 * Makefile.in (OBJS): Add ggc-common.o.
13011 (ggc-common.o): List dependencies.
13013 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
13015 * cppalloc.c (xstrdup): Use memcpy.
13016 * cpperror.c (cpp_print_containing_files): Don't use
13018 * cpplib.c (conditional_skip): Set temp->lineno.
13019 (do_endif): Make error message less obscure.
13020 (if_directive_name): New function.
13021 (cpp_get_token [case EOF]): Unwind the if stack and generate
13022 error messages for each unterminated conditional in this file.
13023 (parse_string): Do not behave differently if -traditional.
13025 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
13027 * builtins.c (expand_builtin_va_arg): Cope with an array-type
13028 va_list decomposing to pointer-type.
13029 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
13030 (rs6000_va_arg): Likewise.
13032 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
13034 * except.c (start_dynamic_handler): Compute size using
13035 STACK_SAVEAREA_MODE.
13037 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13039 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
13040 include directory headers. Don't define strrchr. Don't provide
13041 my_* replacement functions. Prefer PTR over `pointer_type'.
13042 Don't prototype system functions. Don't redefine getopt.
13044 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
13045 safe_read, safe_write, save_pointers, restore_pointers,
13046 is_id_char, in_system_include_dir, directory_specified_p,
13047 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
13048 find_corresponding_lparen, referenced_file_is_newer,
13049 save_def_or_dec, munge_compile_params, gen_aux_info_file,
13050 process_aux_info_file, identify_lineno, check_source,
13051 seek_to_line, forward_to_next_token_char, output_bytes,
13052 output_string, output_up_to, other_variable_style_function,
13053 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
13054 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
13055 find_static_definition, connect_defs_and_decs, add_local_decl,
13056 add_global_decls, needs_to_be_converted, visit_each_hash_node,
13057 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
13058 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
13059 scan_for_missed_items, edit_file, string_list_cons): Add static
13061 (standard_exec_prefix, target_machine, target_version,
13062 default_syscalls_dir, string_list, string_list_cons, find_file,
13063 do_cleaning): Constify a char*.
13064 (safe_read, safe_write): Use PTR, not a char*.
13065 (is_id_char): Take an int, not a char.
13066 (main): Add prototype. Call return, not exit.
13068 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
13070 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
13071 when comparing types.
13073 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
13075 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
13076 (strength_reduce): Release the varrays from the no-bivs early exit.
13078 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
13079 the loop over the registers.
13081 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
13083 (restore_tree_status): Check that instead when freeing the obstack.
13085 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
13087 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
13090 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13092 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
13093 operand size modifiers.
13095 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13097 * c-common.c (c_common_nodes_and_builtins): Don't build
13099 * c-common.h (enum c_tree_index and related accesor macros): Remove
13100 everything now declared in tree.h.
13101 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
13102 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
13103 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
13104 (error_mark_node, void_type_node, char_type_node, integer_type_node,
13105 unsigned_type_node, ptr_type_node, va_list_type_node,
13106 integer_zero_node, null_pointer_node, integer_one_node): Delete.
13107 (init_decl_processing): Call build_common_tree_nodes and
13108 build_common_tree_nodes_2 instead of building their nodes here.
13109 Don't add roots for these nodes.
13110 * stor-layout.c (size_zero_node, size_one_node): Delete.
13111 (set_sizetype): Make a new node for bitsizetype each time.
13112 * tree.c (global_trees): New variable.
13113 (init_obstacks): Add a gc root for it.
13114 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
13115 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
13116 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
13117 (build_common_tree_nodes): New function.
13118 (fix_sizetype): New function.
13119 (build_common_tree_nodes_2): New function.
13120 * tree.h (enum tree_index): New.
13121 (global_trees): Declare.
13122 Add accessor macros for all nodes now moved to global_trees.
13123 Delete their declarations.
13125 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
13127 * c-decl.c (finish_function): When processing a nested function,
13128 push and pop GC context around rest_of_compilation.
13130 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
13132 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
13133 Default ix86_arch to PROCESSOR_I386.
13134 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
13135 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
13136 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
13137 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
13138 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
13139 (EXTRA_SPECS): Remove deleted specs.
13141 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
13143 * function.c (assign_stack_local_1): Allocate from
13144 function->x_frame_offset, not frame_offset.
13146 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
13148 * ggc.h (lang_cleanup_tree): Remove.
13149 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
13150 * ggc-callbacks.c (lang_cleanup_tree): Remove.
13152 * c-decl.c (finish_struct): Use ggc_alloc to allocate
13153 TYPE_LANG_SPECIFIC when garbage collecting.
13154 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
13155 (lang_cleanup_tree): Remove.
13157 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
13159 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
13160 * crtstuff.c: Not here.
13161 * dwarf2out.c: Or here.
13162 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
13165 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
13167 * function.h (free_after_compilation): Remove decl parameter.
13168 (free_varasm_status0: Likewise.
13169 (free_emit_status): Likewise.
13170 (free_stmt_status): Likewise.
13171 (free_after_compilation): Likewise.
13172 (init_lang_status): New variable.
13173 (free_lang_status): Likewise.
13174 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
13175 * function.c (init_lang_status): New variable.
13176 (free_lang_status): Likewise.
13177 (push_function_context_to): Don't set function::decl here.
13178 (free_after_copmilation): Make decl parameter implicit. Call
13179 free_lang_status if defined.
13180 (prepare_function_start): Call init_lang_status if defined.
13181 (init_function_start): Set function::decl here.
13182 * profile.c (output_func_start_profiler): Don't call pushdecl
13183 until we've actually started the function.
13184 * stmt.c (free_stmt_status): Make decl parameter implicit.
13185 * toplev.c (rest_of_compilation): Don't pass decl to
13186 free_after_compilation.
13187 * varasm.c (free_varasm_status): Likewise.
13189 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13191 * except.c (call_get_eh_context): Add root when allocating static
13194 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
13196 * arm.c: Include "ggc.h".
13197 (arm_add_gc_roots): New function.
13198 (arm_override_options): Call it.
13199 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
13201 * arm.md (define_asm_attributes): Add a pool_range attribute.
13203 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
13205 * extend.texi (Volatiles): New node.
13207 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
13209 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
13210 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
13211 (struct ggc_any): Replace `mark' with `magic_mark'.
13212 (ggc_alloc_string): Use memcpy, not bcopy.
13213 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
13214 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
13215 (ggc_free_any): New.
13216 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
13217 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
13218 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
13219 Use IS_MARKED. Use ggc_free_any.
13221 1999-09-09 Scott Bambrough <scottb@netwinder.org>
13223 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
13225 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
13227 * toplev.c (main): Always init_ggc.
13229 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
13231 * except.c (find_all_handler_type_matches): Free the list if
13232 we found no matches.
13234 * combine.c (SUBST): Break out to a real function do_SUBST.
13235 (SUBST_INT): Likewise.
13236 * gcse.c (free_pre_mem): Free `temp_bitmap'.
13237 (pre_insert): Free `inserted'.
13238 * loop.c (basic_induction_var): Always set `location'.
13240 * function.c (expand_function_end): Add initial_trampoline as a root.
13241 * rtl.h (init_varasm_once): Declare.
13242 * toplev.c (compile_file): Call it.
13243 * ggc-simple.c (ggc_mark_string_ptr): New.
13244 (ggc_add_string_root): New.
13245 (ggc_collect): Disable collection avoidance temporarily.
13246 * ggc.h (ggc_add_string_root): Declare.
13247 * except.c (create_rethrow_ref): Use ggc_alloc_string.
13248 * optabs.c (init_libfuncs): Likewise.
13249 * varasm.c (named_section): Use ggc_alloc_string.
13250 (make_function_rtl): Likewise.
13251 (make_decl_rtl): Likewise.
13252 (assemble_static_space): Likewise.
13253 (assemble_trampoline_template): Likewise.
13254 (output_constant_def): Likewise.
13255 (force_const_mem): Likewise.
13256 (mark_const_hash_entry): New.
13257 (mark_pool_sym_hash_table): New.
13258 (mark_varasm_state): Use it.
13259 (init_varasm_once): New.
13261 * expr.h (init_one_libfunc): Declare.
13262 * optabs.c (init_one_libfunc): New.
13263 (init_optabs): Use it.
13264 * config/gofast.h: Likewise.
13265 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
13266 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
13268 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
13270 * Makefile.in (cppexp.o): Depend on cpphash.h.
13271 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
13273 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
13274 * cpplib.c (do_define): Generalise to handle poisoned definitions,
13275 redefining poisoned identifiers, etc.
13276 (do_undef): Don't allow poisoned identifiers to be undefined.
13277 (do_pragma): Add #pragma poison.
13278 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
13280 * cccp.c: Add T_POISON node type.
13281 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
13283 (do_define): Generalise to handle poisoned definitions,
13284 redefining poisoned identifiers, etc.
13285 (do_undef): Don't allow poisoned identifiers to be undefined.
13286 (do_pragma): Add #pragma poison.
13287 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
13289 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
13290 * c-pragma.h: Add ps_poison state. We now always have generic
13293 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
13295 * ggc.h (ggc_alloc): New function.
13296 (ggc_mark): Likewise.
13297 * ggc-simple.c (ggc_any): New structure.
13298 (ggc_status): Add anys.
13299 (n_anys_collected): New variable.
13300 (ggc_alloc): Define.
13301 (ggc_mark): Likewise.
13302 (ggc_collect): Collect the anys.
13304 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13306 * c-decl.c (mark_binding_level): Make static to match prototype.
13308 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
13310 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
13312 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
13314 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
13315 will use into account. Expand the max width to 5.
13318 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
13320 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
13321 for the rtx length.
13323 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
13325 * alpha.md (call value patterns): Remove the result predicates.
13327 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
13329 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
13332 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13334 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
13335 changed from extern char *, to extern PTR. Also fix typo in
13336 NEED_DECLARATION_REALLOC test.
13338 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
13340 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13342 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
13343 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
13344 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
13345 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
13347 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
13349 * cccp.c (pcfinclude): Likewise.
13351 * global.c (allocno_compare): Likewise.
13353 * haifa-sched.c (rank_for_schedule): Likewise.
13355 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
13357 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
13359 * stupid.c (stupid_reg_compare): Likewise.
13361 * tree.c (_obstack_allocated_p): Likewise.
13363 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
13365 1999-09-08 Bruce Korb autogen@linuxbox.com
13367 * Makefile.in: Give the hapless gperf user a hint about
13368 why "gperf -F" fails.
13370 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
13372 * lists.c: Include ggc.h.
13374 (init_EXPR_INSN_LIST_cache): Install it.
13376 * ggc-simple.c (init_ggc): Absorb the old init.
13377 (ggc_push_context): Use xcalloc.
13378 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
13379 (ggc_collect): Add [rvts] tags to the collection stats.
13381 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
13383 * cccp.c (main): Fix handling of -include and -imacros options.
13385 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
13387 * cpplib.c (cpp_push_buffer): Fix order of arguments.
13389 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
13391 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
13394 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
13396 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
13397 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
13398 and SET_DEST. Update comment.
13400 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13402 * config/c4x/c4x.c: Include ggc.h.
13403 (c4x_add_gc_roots): New function.
13404 (c4x_override_options): Call c4x_add_gc_roots.
13406 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
13408 * defaults.h (TARGET_ESC): Move ...
13409 * system.h: ... here, where Linas had it in the first place. Silly me.
13411 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
13413 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
13414 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
13415 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
13416 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
13417 * defaults.h (TARGET_ESC): Add default.
13419 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
13421 * configure.in: add i370-*-openedition, i370-*-mvs and
13422 i370-*-linux targets
13424 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
13426 * dsp16xxx.c: Include ggc.h
13427 (override_options): Mark GC roots.
13428 * mn10200.c: Include ggc.h.
13429 (asm_file_start): Mark GC roots.
13430 * tahoe.c: Include ggc.h.
13431 (extensible_operand): Mark GC roots.
13433 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
13435 * README: Add section discussing status of ELF ABI.
13436 * i370.c: Fix misc spelling mistakes.
13437 (i370_label_scan): Updated notes, exception handling.
13438 (i370_function_prolog): Simplify ELF stack handling.
13439 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
13440 (STACK_GROWS_DOWNWARD): ELF stack grows down.
13441 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
13442 * i370.md: (movdi): Add notes.
13443 (floatsidf2): Use stack not rtca for scratch float area.
13444 (iorsi3): Correct operand constraints.
13445 * x-oe: Restore TAROUTOPTS which are used by pax.
13447 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
13449 * rs6000.c: Include ggc.h.
13450 (rs6000_add_gc_roots): New function.
13451 (override_options): Call it.
13453 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
13455 * alpha.h (alpha_compare): New.
13456 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
13457 * alpha.c: Likewise for the definitions.
13458 (alpha_emit_conditional_branch): Update for alpha_compare.
13459 (alpha_emit_conditional_move): Likewise.
13460 * alpha.md (cmpdf, cmpdi): Likewise.
13461 (setcc patterns): Likewise. Zero alpha_compare after use.
13462 (sne): Optimize (x != 0) into (0U < x).
13464 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
13466 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
13467 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
13468 (INIT_EXPANDERS): Remove.
13469 * alpha.c: Include ggc.h.
13470 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
13471 (alpha_init_machine_status, alpha_mark_machine_status): New.
13472 (override_options): Install them.
13473 (struct machine_function): Moved to alpha.h.
13474 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
13475 (alpha_init_expanders): Remove.
13476 (alpha_return_addr): Adjust to use current_function->machine.
13477 (alpha_ra_ever_killed): Likewise.
13478 (alpha_expand_epilogue): Likewise.
13479 * alpha.md (eh_epilogue): Likewise.
13481 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
13482 Melissa O'Neill <oneill@cs.sfu.ca>
13483 Geoffrey Keating <geoffk@cygnus.com>
13485 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
13486 call-used registers (call-saved registers must still be contiguous
13487 and end with r31, of course).
13489 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
13491 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
13492 (self_promoting_type_p): Delete.
13493 (self_promoting_args_p): Move ...
13494 * c-common.c: ... here.
13495 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
13496 (simple_type_promotes_to): New.
13497 * builtins.c (lang_type_promotes_to): New.
13498 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
13499 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
13500 * c-common.h: ... here.
13501 (self_promoting_args_p, simple_type_promotes_to): Declare.
13502 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
13503 (grokdeclarator): Likewise.
13504 * tree.h (lang_type_promotes_to): Declare.
13506 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
13508 Add some machine-dependent GC roots.
13509 * sparc.c: Include ggc.h.
13510 (sparc_add_gc_roots): New function.
13511 (mark_ultrasparc_pipeline_state): Likewise.
13512 (override_options): Call sparc_add_gc_roots.
13513 * pa.c: Include ggc.h.
13514 (pa_add_gc_roots): New function.
13515 (mark_deferred_plabels): Likewise.
13516 (override_options): Call pa_add_gc_roots.
13517 * mips.c: Include ggc.h.
13518 (mips_add_gc_roots): New function.
13519 (override_options): Use it.
13521 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13523 * cpperror.c (cpp_file_line_for_message): Constify a char*.
13525 * cppexp.c (parse_number, parse_charconst, cpp_lex,
13526 cpp_parse_expr): Add static prototypes.
13527 (parse_charconst): Don't cast away const-ness.
13528 (token): Constify a char*.
13530 * cppfiles.c (file_name_list, include_hash, find_include_file,
13531 finclude, initialize_input_buffer): Constify a char*.
13532 (file_cleanup, find_position): Add static prototypes.
13534 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
13535 collect_expansion): Add static prototypes.
13536 (cpp_install, create_definition, monthnames): Constify a char*.
13538 * cpphash.h (cpp_install): Likewise.
13540 * cppinit.c (known_suffixes, default_include,
13541 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
13542 (base_name, dump_special_to_buffer, initialize_dependency_output):
13543 Add static prototypes.
13545 * cpplib.c (my_strerror): Constify a char*.
13546 (null_underflow, null_cleanup, skip_comment, copy_comment,
13547 copy_rest_of_line, handle_directive, pass_thru_directive,
13548 get_directive_token, read_line_number, cpp_print_file_and_line,
13549 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
13550 v_cpp_warning_with_line, detect_if_not_defined,
13551 consider_directive_while_skipping): Add static prototypes.
13552 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
13553 cpp_pedwarn_with_file_and_line): Constify a char*.
13555 * cpplib.h (cpp_options, include_hash, progname, definition,
13556 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
13557 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
13558 find_include_file, deps_output, include_hash): Constify a char*.
13560 * cppmain.c (progname): Constify.
13561 (main): Add prototype. Use return, not exit.
13563 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
13564 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
13565 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
13566 check_protection): Add static prototype.
13568 (progname, recognized_macrom, recognized_extern): Constify a char*.
13569 (main): Add prototype.
13571 * gen-protos.c (progname): Constify a char*.
13573 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
13575 * emit-rtl.c (free_emit_status): Take decl as a parameter.
13576 (init_emit_once): Add more GC roots.
13577 * except.c (mark_func_eh_entry): New function.
13578 (mark_eh_node): Mark false_label and rethrow_label.
13579 (init_eh): Add more GC roots.
13580 * function.c (free_after_compilation): Take decl as a paramter.
13581 Call free_stmt_status.
13582 (mark_function_state): Don't assume x_parm_reg_stack_loc is
13584 * function.h (free_after_compilation): Change prototype.
13585 (free_varasm_status): Likewise.
13586 (free_emit_status): Likewise.
13587 (free_stmt_status): New function.
13588 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
13589 Remove, replacing with ...
13590 (ggc_status): New structure.
13591 (ggc_chain): New variable.
13592 (init_gcc): Define.
13593 (ggc_push_context): New function.
13594 (ggc_pop_context): Likewise.
13595 (ggc_alloc_rtx): Adjust for use of ggc_chain.
13596 (ggc_alloc_rtvec): Likewise.
13597 (ggc_alloc_tree): Likewise.
13598 (ggc_alloc_string): Likewise.
13599 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
13600 (ggc_mark_tree): Give language-dependent code a chance to mark
13602 (ggc_mark_tree_varray): Handle empty arrays.
13603 (ggc_collect): Adjust for use of ggc_chain. Clear
13604 bytes_alloced_since_last_gc.
13605 * ggc.h (ggc_pop_context): New function.
13606 (ggc_push_context): Likewise.
13607 * print-tree.c (print_node): Don't print obstacks when GC'ing.
13608 * stmt.c (free_stmt_status): New function.
13609 (init_stmt_for_function): Clear last_expr_value.
13610 * toplev.c (rest_of_compilation): Always call free_after_compilation.
13611 Conditionalize call to ggc_collect.
13612 (main): Call init_ggc.
13613 * tree.c (push_obstacks): Do the push, even when GC'ing.
13614 (push_obstacks_nochange): Likewise.
13615 (pop_obstacks): Liekwise.
13616 * varasm.c (free_varasm_status): Take decl as a parameter.
13618 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
13620 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
13621 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
13622 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
13623 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
13625 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
13627 * pa/x-pa-mpeix: New file for the MPE port.
13629 * pa/quadlib.asm: New file for long double support.
13631 * configure.in: Add hppa1.0-*-mpeix for MPE port.
13632 * configure: Rebuilt.
13634 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
13636 * final.c (shorten_branches): Fix last change.
13638 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
13640 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
13642 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
13644 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
13647 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13649 * c-aux-info.c (concat): Don't define.
13651 * cccp.c (my_strerror): Likewise. All callers changed to use
13653 (do_include): Call xstrdup, not xmalloc/strcpy.
13654 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
13655 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
13657 * collect2.c (my_strsignal): Likewise. All callers changed to use
13659 (locatelib): Call xstrdup, not xmalloc/strcpy.
13661 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
13663 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
13665 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
13667 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
13669 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
13671 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
13673 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
13675 (find_all_handler_type_matches): Likewise. Don't check return
13677 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
13678 xmalloc, not malloc.
13679 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
13681 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
13682 (init_spec): Call xcalloc, not xmalloc/bzero.
13683 (set_spec): Call xstrdup, not save_string.
13684 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
13685 (find_a_file): Call xstrdup, not xmalloc/strcpy.
13686 (process_command): Call xstrdup, not save_string.
13687 (main): Call xcalloc, not xmalloc/bzero.
13689 * gcov.c (xmalloc): Don't define.
13690 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
13691 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
13692 (output_data): Call xcalloc, not xmalloc/bzero.
13694 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
13696 * mips-tdump.c (xmalloc): Don't define.
13697 (print_symbol): Call xmalloc, not malloc.
13698 (read_tfile): Call xcalloc, not calloc.
13700 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
13701 Don't define. All callers of xfree/my_strsignal changed to use
13702 free/strsignal instead.
13703 (allocate_cluster): Call xcalloc, not calloc.
13705 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
13706 Fix memory leak, free allocated memory.
13708 * prefix.c (translate_name): Call xstrdup, not save_string.
13709 (update_path): Likewise.
13711 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
13713 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
13714 Don't define. Callers of xfree/savestring2 changed to use
13715 free/concat instead.
13717 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
13718 (init_elim_table): Likewise.
13720 * resource.c (init_resource_info): Likewise.
13722 * stupid.c (stupid_life_analysis): Likewise.
13724 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
13725 (open_dump_file): Call concat, not xmalloc/strcpy/...
13726 (clean_dump_file): Likewise.
13727 (compile_file): Call xstrdup, not xmalloc/strcpy.
13729 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
13731 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
13732 * v850.c (v850_va_arg): New.
13734 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13736 * haifa-sched.c: Tidy comments.
13738 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13740 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
13741 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
13742 $(out_object_file)): Depend on ggc.h.
13743 * c-common.c: Include "ggc.h".
13744 (combine_strings): If doing GC, use ggc_alloc_string.
13745 * c-decl.c: Include "ggc.h".
13746 (ggc_p): Define with value 0.
13747 (mark_binding_level): New function.
13748 (init_decl_processing): Add GC roots.
13749 (mark_c_function_context): New function.
13750 (lang_mark_false_label_stack): New function.
13751 (lang_mark_tree): New function.
13752 (lang_cleanup_tree): New function.
13753 * c-lang.c: Include "ggc.h".
13754 (lang_init): Call c_parse_init.
13755 * c-lex.c: Include "ggc.h".
13756 (check_linenum): If doing GC, don't copy filenames to permanent
13758 * c-parse.in: Include "ggc.h".
13759 (c_parse_init): New function.
13760 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
13761 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
13763 * except.c (mark_eh_state): Mark more state.
13764 * function.c (mark_function_state): Likewise.
13765 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
13766 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
13767 * toplev.c (mark_file_stack): New function.
13768 (compile_file): If doing GC, use ggc_alloc_string on input filename.
13769 (main): Add root for input_file_stack.
13771 * i386.c: Include "ggc.h".
13772 (ix86_mark_machine_status): New function.
13773 (override_options): Set mark_machine_status.
13775 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13777 * tree.c (copy_node): Copy node contents also if doing GC.
13779 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
13781 * collect2.c (scan_libraries): Fix double-thinko :-).
13783 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
13785 * collect2.c (scan_libraries): Fix thinko.
13787 * cse.c (delete_trivially_dead_insns): Do not skip the last
13788 insn if it is a real insn.
13790 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
13792 * Makefile.in (ggc-simple.o): Depend on hash.h.
13793 * ggc.h (ggc_add_tree_hash_table_root): Declare.
13794 (ggc_mark_tree_varray): Likewise.
13795 (ggc_mark_tree_hash_table): Likewise.
13796 * ggc-simple.c: Include hash.h.
13797 (ggc_mark_tree_hash_table_ptr): New function.
13798 (ggc_mark_tree_hash_table_entry): Likewise.
13799 (ggc_mark_tree_hash_table): Likewise.
13800 (ggc_add_tree_hash_table_root): Likewise.
13801 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
13802 rtx, when defining fields.
13804 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
13806 * profile.c (output_func_start_profiler): Remove apparently
13807 nonsensical call to start_sequence.
13809 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
13811 * clipper/clipper.c (clipper_va_start): Fix typos.
13813 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
13814 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
13815 (spur_va_arg): New stub.
13817 * configure.in: Comment out pyramid.
13819 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
13821 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
13822 don't conflict with the bits that win32, cygwin, and dgux
13825 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
13826 Bernd Schmidt <bernds@cygnus.co.uk>
13828 * integrate.c (function_cannot_inline_p): Do not inline
13829 functions with forced labels.
13831 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
13832 Bernd Schmidt <bernds@cygnus.co.uk>
13833 Mark Mitchell <mark@codesourcery.com>
13835 * Makefile.in (ggc-simple.o): Depend on varray.h.
13836 (rtl.o): Depend on ggc.h.
13837 (genattrtab.o): Depend on ggc.h.
13838 (print-tree.o): Likewise.
13839 (fold-const.o): Likewise.
13840 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
13841 (make_insn_raw): Don't cache insns when GC'ing.
13842 (emit_insn_before): Likewise.
13843 (emit_insn_after): Likewise.
13844 (emit_insn): Likewise.
13845 (start_sequence): Use xmalloc to allocate the sequence_stack.
13846 (end_sequence): Add free to free it.
13847 (gen_sequence): Don't cache insns when GC'ing.
13848 (clear_emit_caches): Don't use sequence_element_free_list.
13849 (init_emit): Use xcalloc, not xmalloc+bzero.
13850 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
13851 * function.c (pop_function_context_from): Use free to free the
13852 fixup_var_refs_queue.
13853 (put_reg_into_stack): Allocate it with xmalloc.
13854 * genattrtab.c: Include ggc.h.
13855 (operate_exp): Don't use obstack_free when GC'ing.
13856 (simplify_cond): Likewise.
13857 (simplify_text_exp): Likewise.
13858 (optimize_attrs): Likewise.
13859 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
13861 (gencode): Generate a #include for ggc.h.
13862 * ggc-callbacks.c (ggc_p): Define it to zero.
13863 * ggc-none.c (ggc_p): Likewise.
13864 * ggc-simple.c: Include varray.h.
13865 (ggc_mark_tree_varray): New function.
13866 (ggc_add_tree_varray_root): Likewise.
13867 (ggc_mark_tree_varray_ptr): Likewise.
13868 * ggc.h (ggc_p): Declare.
13869 (varray_head_tag): Likewise.
13870 (ggc_add_tree_varray_root): Declare.
13871 * print-tree.c (print_node): Don't check for TREE_PERMANENT
13872 inconsistencies when GC'ing.
13873 * rtl.c: Include ggc.h.
13874 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
13875 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
13876 (rtx_free): Don't call obstack_free when GC'ing.
13877 * toplev.c (rest_of_compilation): Call ggc_collect after every
13879 * tree.c (push_obstacks): Do nothing, if GC'ing.
13880 (pop_obstacks_nochange): Likewise.
13881 (pop_obstacks): Likewise.
13882 (make_node): Use ggc_alloc_tree when GC'ing.
13883 (copy_node): Likewise.
13884 (get_identifier): Use ggc_alloc_string when GC'ing.
13885 (build_string): Likewise.
13886 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
13887 (tree_cons): Likewise.
13888 (build1): Likewise.
13889 (type_hash_canon): Don't call obstack_free when GC'ing.
13891 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
13893 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
13894 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
13896 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
13897 Bernd Schmidt <bernds@cygnus.co.uk>
13898 Mark Mitchell <mark@codesourcery.com>
13900 * Makefile.in (stor-layout.o): Depend on ggc.h.
13901 (expr.o): Depend on ggc.h.
13902 (profile.o): Depend on ggc.h.
13903 (stor-layout.o): Depend on ggc.h.
13904 * emit-rtl.c (init_emit_once): Add gc roots.
13905 * expr.c: Include ggc.h.
13906 (emit_block_move): Add gc roots.
13907 (clear_storage): Likewise.
13908 * expr.h (init_stor_layout_once): New function.
13909 * profile.c: Include ggc.h.
13910 (init_arc_profiler): profiler_label is a root.
13911 * scan.c (make_sstring_space): Trust xrealloc to function
13912 correctly with first parameter NULL.
13913 * stor-layout.c: Include ggc.h.
13914 (set_sizetype): Add gc root.
13915 (init_stor_layout_once): New function.
13916 * toplev.c (compile_file): Call it.
13918 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
13919 Bernd Schmidt <bernds@cygnus.co.uk>
13920 Mark Mitchell <mark@codesourcery.com>
13922 * Makefile.in (tree.o): Depend on ggc.h.
13923 (varasm.o): Likewise.
13924 (function.o): Likewise.
13925 (stmt.o): Likewise.
13926 (except.o): Likewise.
13927 (optabs.o): Likewise.
13928 (emit-rtl.o): Likewise.
13929 * emit-rtl.c: Include ggc.h.
13930 (sequence_element_free_list): Remove, and all references.
13931 (mark_sequence): New functions.
13932 (mark_emit_state): New function.
13933 * except.c: Include ggc.h.
13934 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
13935 (mark_tree_label_node): New functions.
13936 (mark_eh_state): New function.
13937 * function.c: Include ggc.h.
13938 (mark_temp_slot, mark_function_chain): New functions.
13939 (mark_function_state): New function.
13940 (init_function_once): New function.
13941 * function.h (init_function_once): New function.
13942 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
13943 * ggc.h (label_node): Declare.
13944 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
13945 (lang_mark_false_label_stack): New function.
13946 (mark_temp_slot): Remove declaration.
13947 (mark_function_chain): Likewise.
13948 (mark_eh_state): Adjust prototype.
13949 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
13951 * optabs.c: Include ggc.h.
13952 (mark_optab): New function.
13953 (init_optabs): Add gc roots.
13954 * stmt.c: Include ggc.h.
13955 (mark_cond_nesting, mark_loop_nesting): New functions.
13956 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
13957 (mark_stmt_state): New function.
13958 * toplev.c (compile_file): Call init_function_once.
13959 * tree.c: Include ggc.h.
13960 (type_hash): Move declaration earlier in file.
13961 (TYPE_HASH_SIZE, type_hash_table): Likewise.
13962 (init_obstacks): Add gc roots.
13963 (mark_type_hash): New function.
13964 * varasm.c: Include ggc.h.
13965 (mark_pool_constant): New function.
13966 (mark_varasm_state): New function.
13968 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13970 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
13972 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13974 * c-decl.c (struct language_function): Renamed from struct c_function.
13976 (c_function_chain): Delete.
13977 (push_c_function_context): New arg F. Don't warn about nested
13978 functions here. Fill LANGUAGE elt of F. Delete code to update
13979 c_function_chain. Don't call push_function_context.
13980 (pop_c_function_context): New arg F. Restore from there instead of
13981 from c_function_chain. Don't call pop_function_context. Clear out
13982 LANGUAGE field of F when done.
13983 * c-lang.c: Include "function.h"
13984 (lang_init): Initialize save_lang_status and restore_lang_status.
13985 * c-parse.in (nested_function, nested_function_notype): Warn about
13986 nested functions. Call push_function_context/pop_function_context
13987 instead of the _c_ variants.
13988 * c-tree.h (push_c_function_context, pop_c_function_context): Update
13990 * Makefile.in (c-lang.o): Update dependencies.
13992 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
13993 regno_pointer_flag, regno_pointer_align.
13994 (gen_reg_rtx): Use xrealloc to enlarge them.
13995 (free_emit_status): New function.
13996 * function.c (mark_machine_status, mark_lang_status): New variables.
13997 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
13998 in some bits from assign_stack_local. All callers changed to use new
14000 (assign_stack_local): Just call assign_stack_local_1.
14001 (free_after_compilation): New function.
14002 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
14003 (trampoline_address): Likewise.
14004 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
14005 (prepare_function_start): Explicitly clear some more variables.
14006 * function.h (struct function): New elt can_garbage_collect.
14007 (mark_machine_status, mark_lang_status): Declare variables.
14008 (free_after_compilation, free_emit_status, free_varasm_status,
14009 init_varasm_status): Declare functions.
14010 * toplev.c (rest_of_compilation): Call free_after_compilation when
14011 done with the current function.
14012 * varasm.c (free_varasm_status): New function.
14014 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
14016 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
14017 (EXPAND_BUILTIN_VA_ARG): Define.
14018 * sparc.c (sparc_va_start): New.
14019 (sparc_va_arg): New.
14021 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14023 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
14025 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14027 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
14029 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
14031 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
14032 (OBJS): Add $(GGC).
14033 (ggc-callbacks.o): New target.
14034 * ggc-callbacks.c: New file.
14036 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14038 * expr.h: Collapse individual optab and libfunc vars to arrays.
14039 (optab_index, libfunc_index): New enumerations.
14040 (optab_table, libfunc_table): New arrays.
14041 Add accessor macros for both.
14043 * optabs.c (optab_table, libfunc_table): New.
14044 Delete declarations for individual optab and libfunc vars.
14046 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
14048 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
14050 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
14052 * Makefile.in (GGC, GGC_LIB): New.
14053 (HOST_RTL): Include ggc-none.o.
14054 (ggc-simple.o): New target.
14055 (ggc-none.o): Likewise.
14056 * tree.h (tree_common): Add gc_mark.
14057 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
14058 (struct rtvec_def): Add gc_mark.
14059 * emit-rtl.c (global_rtl): Update static initializers to contain
14060 enough initializers.
14061 * ggc.h, ggc-none.c, ggc-simple.c: New files.
14062 * toplev.c (gc_time): New variable.
14063 (all_time): New variable.
14064 (compile_file): Print gc time.
14065 (print_time): Calculate percentage of the whole.
14067 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14069 Change obstack memory management and varasm constant pool handling so
14070 that nested functions are treated like any other functions.
14071 * function.c (init_machine_status): New variable.
14072 (push_function_context_to): Set contains_functions for the outer
14073 function. Don't call save_varasm_status.
14074 (pop_function_context_from): Don't call restore_varasm_status. Don't
14075 set current_function_contains_functions.
14076 (prepare_function_start): Call init_varasm_status rather than
14077 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
14079 * function.h (struct function) Add field varasm. Delete fields
14080 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
14081 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
14082 (init_machine_status): Declare.
14083 (save_varasm_status, restore_varasm_status): Delete declarations.
14084 (save_tree_status, restore_tree_status): Delete last argument.
14085 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
14086 code. All callers changed.
14087 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
14088 save_constants_in_decl_trees, restore_constants, save_constants,
14089 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
14091 (inlining): New variable.
14092 (reg_map, label_map, insn_map, orig_asm_operands_vector,
14093 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
14095 (save_for_inline_nocopy): Don't save constants.
14096 Don't set inl_emit field in current_function.
14097 (expand_inline_function): Use emit field, not inl_emit, of the inlined
14098 function. Set new variable inlining before
14099 calling copy_rtx_and_substitute.
14100 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
14101 constant pool references if inlining is nonzero.
14102 Delete ADDRESS and (most of the) CONST cases.
14103 (output_inline_function): Save and restore current_function/
14104 current_function_decl. Delete restore_constants code. Don't call
14105 init_const_rtx_hash_table.
14106 * output.h (init_const_rtx_hash_table): Don't declare.
14107 * rtl.h (struct function): Declare.
14108 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
14109 * toplev.c (rest_of_compilation): Don't treat nested functions or
14110 functions containing them specially. Delete all code to deal with
14111 save_for_inline_copying.
14112 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
14113 inline_obstacks): Delete variables.
14114 (save_tree_status): Lose arg CONTEXT. All callers changed.
14115 Simply allocate a new function_maybepermanent_obstack for the new
14116 function, delete all the special cases.
14117 Don't save inline_obstacks.
14118 (restore_tree_status): Lose arg CONTEXT. All callers changed.
14119 Delete special handling for function_maybepermanent_obstack; simply
14121 Don't restore inline_obstacks.
14122 (permanent_allocation): Delete code that frees inline_obstacks.
14123 (print_inline_obstack_statistics): Delete function.
14124 (dump_tree_statistics): Don't call it.
14125 * varasm.c (struct varasm_status): New.
14126 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
14127 last_pool, pool_offset, const_double_chain): Delete global
14128 variables, replace with accessor macros.
14129 (immed_double_const): Don't walk const_double_chain outside a
14130 function, but don't treat nested functions specially anymore.
14131 (immed_real_const_1): Likewise.
14132 (clear_const_double_mem): Don't treat nested functions specially.
14133 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
14134 (save_varasm_status, restore_varasm_status): Delete functions.
14135 (init_varasm_status): New function.
14136 (force_const_mem): Don't treat nested functions specially.
14137 (find_pool_constant): Accept new arg F, search for constants in
14138 that function's pool rather than the current one. All callers
14140 (get_pool_constant_for_function, get_pool_mode_for_function): New
14143 * i386.c (init_386_machine_status): New function, mostly from
14144 clear_386_stack_locals.
14145 (struct machine_functions): Rename element names to avoid name
14147 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
14148 macros, replacing global variables.
14149 (clear_386_stack_locals, save_386_machine_status,
14150 restore_386_machine_status): Delete functions.
14151 (override_options): Initialize init_machine_status.
14152 * i386.h (INIT_EXPANDERS): Delete macro.
14153 (save_386_machine_status, restore_386_machine_status,
14154 clear_386_stack_locals): Delete declarations.
14156 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14158 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
14159 (doloop_begin): Simplify pattern and use emit_jump_insn.
14160 (doloop_end): Simplify pattern, switch operand order,
14161 and use emit_jump_insn.
14163 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
14165 * function.h (struct function): Add new element LANGUAGE.
14166 (save_lang_status): Declare new variable.
14167 (restore_lang_status): Likewise.
14168 * function.c (save_lang_status): Define.
14169 (restore_lang_status): Likewise.
14170 (push_function_context_to): Call language-specific save function.
14171 (pop_function_context_from): Call language-specific restore function.
14173 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
14175 * i386.md (movsf_1): Check REG_P before use of REGNO.
14176 (movdf_1): Likewise.
14177 (movxf_1): Likewise.
14178 (extendsfdf2): Likewise.
14179 (extendsfxf2): Likewise.
14180 (extenddfxf2): Likewise.
14182 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14184 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
14185 constants into memory.
14186 (c4x_shiftable_constant): New function.
14187 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
14188 (c4x_shiftable_constant): Declare.
14189 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
14190 ashlqi3_noclobber): Add new patterns and associated splitters.
14192 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
14194 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
14195 * dwarf2out.c (dwarf2out_frame_init): Likewise.
14196 * final.c (shorten_branches): Likewise.
14197 * global.c (global_alloc): Likewise.
14198 * haifa-sched.c (build_control_flow): Likewise.
14199 * stmt.c (check_for_full_enumeration_handling): Likewise.
14200 (estimate_case_costs): Likewise.
14202 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
14204 * rtl.h (RTL_CHECKC2): Fix typo in last change.
14206 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
14208 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
14209 (recompute_reg_usage): Likewise.
14210 * rtlanal.c (find_regno_fusage): Likewise.
14212 * rtl.c (rtl_check_failed_code1): New function.
14213 (rtl_check_failed_code2): New.
14214 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
14215 (RTL_CHECKC1, RTL_CHECKC2): New.
14216 (XC*): New accessor macros.
14217 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
14218 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
14219 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
14220 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
14221 (TRAP_*, RANGE_INFO_*): Likewise.
14223 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14225 * Makefile.in (tlink.o): Don't depend on toplev.h.
14227 * collect2.c (c_file, o_file, export_file, import_file, ldout,
14228 output_file, nm_file_name, ldd_file_name, strip_file_name,
14229 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
14230 add_prefix, prefix_from_env, prefix_from_string, do_wait,
14231 fork_execute, maybe_unlink, add_to_list,
14232 extract_init_priority, write_list, dump_list,
14233 dump_prefix_list, write_list_with_asm, write_c_file,
14234 write_c_file_stat, write_c_file_glob, scan_prog_file,
14235 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
14236 ignore_library, extract_string, notice, dump_file, target_machine,
14237 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
14238 read_file, print_load_command): Constify a char*.
14239 (fdopen, error, fatal, fatal_perror): Don't prototype.
14240 (my_strerror): Remove. All callers use xstrerror instead.
14241 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
14242 (main): Add prototype. Constify lots of char* ptrs. Change calls
14243 to xcalloc/strcpy/strcat/... to one call to concat.
14244 (main, scan_prog_file, scan_libraries): Use an intermediate
14245 `const char **' to build an argv array.
14246 (mapfile, libselect, libcompare, locatelib): Add prototypes.
14248 * collect2.h (collect_execute, collect_wait, dump_file,
14249 file_exists): Constify a char*.
14250 (ldout, c_file_name, temporary_obstack, permanent_obstack,
14251 temporary_firstobj, vflag, debug): Add extern declarations.
14252 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
14254 * tlink.c: Don't include toplev.h.
14255 (vflag, debug, ldout, c_file_name, temporary_obstack,
14256 permanent_obstack, temporary_firstobj): Don't declare.
14257 (tlink_execute, frob_extension, symbol_hash_lookup,
14258 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
14259 recompile_files, read_repo_files, demangle_new_symbols,
14260 scan_linker_output): Constify a char*.
14261 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
14262 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
14264 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
14266 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
14267 (relative) rather than jsr (absolute) subroutine call insns.
14268 * config/m68k/m68k-coff.h: Ditto.
14270 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
14272 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
14273 now rework these too.
14274 (arm_reorg): If an insn can't reach the end of the current pool,
14275 ensure that we emit that pool before the insn.
14277 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
14279 * tlink.c (scan_linker_output): Skip the initial underscore in
14280 a mangled name if appropriate.
14282 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14284 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
14285 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
14286 error_with_ivar, gen_declarator, create_builtin_decl,
14287 my_build_string, generate_descriptor_table, generate_ivars_list,
14288 generate_dispatch_table, check_protocols, TAG_GETCLASS,
14289 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
14290 dump_base_name, lang_decode_option, build_encode_expr,
14291 start_class, finish_class, encode_pointer, really_start_method,
14292 gen_declaration, dump_interface, handle_class_ref, handle_impent):
14294 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
14295 Add static prototypes.
14296 (build_objc_string_decl, build_selector_reference_decl,
14297 encode_bitfield, build_class_reference_decl): Remove unused
14298 parameter, all callers changed.
14299 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
14300 (objc_printable_name): Likewise. Change second parameter to type int.
14301 (init_objc): Use memcpy, not bcopy, to avoid casts.
14303 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
14305 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
14306 reg notes on a deleted insn.
14307 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
14309 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
14311 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
14313 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14315 * stmt.c (expand_asm_operands): Fix index into inout_mode when
14318 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
14320 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
14321 * tm.texi (MD_ASM_CLOBBERS): Document it.
14323 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
14325 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
14326 * except.c (expand_rethrow): Remove unused variable.
14327 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
14328 * flow.c (replace_insns): Likewise.
14329 (create_edge_list, verify_edge_list): Likewise.
14330 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
14332 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
14333 is special code to run.
14334 (main): Don't define operands to emit_operand.
14335 * genrecog.c (main): Don't emit an empty peephole2_insn function.
14337 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
14339 * alpha/alpha.h (normal_memory_operand): Declare.
14340 (reg_no_subreg_operand): Declare.
14341 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
14343 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
14345 * c-parse.in (compstmt_primary_start): New, broken out of first
14346 part of compstmt handling in primary.
14347 (primary): Use it. Add an error clause.
14348 (compstmt_nostart): Renamed from compstmt; remove all
14349 initial invocations of compstmt_start.
14352 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
14354 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
14357 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
14359 * combine.c (simplify_shift_const): Remove extra semicolon.
14360 * dwarf2out.c (remove_AT): Likewise.
14361 * expmed.c (expand_mult): Likewise.
14362 * gcov.c (create_program_flow_graph): Likewise.
14363 * reorg.c (mostly_true_jump): Likewise.
14365 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
14367 * fold-const.c (fold_range_test): Do not try to fold the range
14368 test if the rhs or lhs has side effects.
14370 * combine.c (simplify_rtx): Recognize another case of a synthesized
14373 * varasm.c (mark_constant_pool): When marking indirect references,
14374 only look at SYMBOL_REFs.
14376 * except.c (expand_fixup_region_end): Do not peek at
14377 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
14379 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
14381 * flags.h: New variables align_loops, align_loops_log,
14382 align_jumps, align_jumps_log, align_labels, align_labels_log,
14383 align_functions, align_functions_log.
14384 * toplev.c: Define them.
14385 (f_options): Handle -falign-* when they have no argument.
14386 (main): Add logic to set variables for -falign-functions,
14387 -falign-jumps, -falign-labels, -falign-loops.
14388 Make it -fsched-verbose=<n> and -finline-limit=<n>.
14389 (display_help): Change help to match options.
14390 * final.c (LABEL_ALIGN): Default to align_labels_log.
14391 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
14392 (LOOP_ALIGN): Default to align_loops_log.
14393 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
14394 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
14395 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
14396 * varasm.c (assemble_start_function): Handle align_functions.
14398 * config/sparc/sparc.h: Don't declare sparc_align_*.
14399 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
14400 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
14402 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
14404 * config/sparc/sparc.c: Delete sparc_align_loops,
14405 sparc_align_jumps, sparc_align_funcs and the corresponding string
14407 (sparc_override_options): Default align_functions on ultrasparc.
14408 Delete -malign-* handling.
14410 * config/mips/mips.c (override_options): On 64-bit targets,
14411 try to align code to 64-bit boundaries.
14412 (print_operand): New substitution, %~,
14413 which aligns labels to align_labels_log.
14414 * config/mips/mips.md (div_trap_normal): Use %~.
14415 (div_trap_mips16): Likewise.
14417 (absdi2): Likewise.
14418 (ffssi2): Likewise.
14419 (ffsdi2): Likewise.
14420 (ashldi3_internal): Likewise.
14421 (ashrdi3_internal): Likewise.
14422 (lshrdi3_internal): Likewise.
14423 (casesi_internal): Likewise.
14425 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
14427 Merge new ia32 backend from the branch!
14429 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
14430 See ChangeLog.P2 on new_ia32_branch for details.
14432 * rtl.h (stack_regs_mentioned_p): Delete prototype.
14433 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
14434 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
14435 * i386/gas.h (ASM_FILE_START): Define.
14436 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
14437 for name change of ix86_valid_decl_attribute_p.
14438 (i386_pe_valid_type_attribute_p): Similarly.
14440 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
14442 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
14443 to step through CC modes.
14445 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14447 * regmove.c (fixup_match_1): Don't move INSN in front of P if
14448 it would end up in the shadow of a live flags regsiter.
14450 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14452 * reload1.c: Fix many indentation problems.
14453 * reload.c: Likewise.
14455 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
14457 * alias.c (non_local_reference_p): Constify fmt.
14459 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
14461 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
14463 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
14465 * cse.c (delete_trivially_dead_insns): Do not delete stores to
14466 the internal_arg_pointer.
14468 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
14470 Merge peephole2 from new_ia32_branch:
14471 * Makefile.in (STAGESTUFF): Add *.peephole2.
14472 (mostlyclean): Likewise.
14473 (recog.o): Depend on resource.h.
14475 * final.c (peephole): Conditionalize decl on HAVE_peephole.
14476 (final_scan_insn): Likewise for the invocation of peephole.
14477 * genconfig.c (main): Look for peephole and peephole2 patterns.
14478 Emit HAVE_peephole* accordingly.
14479 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
14480 * flags.h (flag_peephole2): Declare.
14481 * toplev.c: New pass peephole2. New flag -fpeephole2.
14483 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
14484 * gencodes.c (main): Likewise.
14485 * genextract.c (main): Likewise.
14486 * genoutput.c (main): Likewise.
14487 * genemit.c (max_operand_1): Look for the max scratch operand.
14488 (gen_rtx_scratch): New.
14489 (gen_exp): Use it, and pass on new arg subroutine_type.
14490 (gen_expand): Take max scratch into account.
14491 (gen_split): Emit peephole2 functions.
14492 (output_peephole2_scratch): New.
14493 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
14494 * genrecog.c (routine_type): Add PEEPHOLE2.
14496 (make_insn_sequence): Match outer parallel for peep2. Discard
14497 top level scratches and dups.
14498 (add_to_sequence): New args insn_type and top. Update all callers.
14499 Handle toplevel peep2 matching insns.
14500 (write_subroutine): Handle peep2.
14501 (write_tree_1): Likewise.
14502 (write_tree): Likewise.
14504 (change_state): New arg afterward. Update all callers.
14505 Handle matching separate insns.
14506 * recog.c (recog_next_insn): New.
14507 (peephole2_optimize): New.
14508 * rtl.def (DEFINE_PEEPHOLE2): New.
14509 * resource.c (find_free_register): New argument last_insn. Use it
14510 to find a register available through the entire span.
14511 * resource.h (find_free_register): Update prototype.
14513 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
14515 * i386.c (output_strlen_unroll): Don't write xops[7]
14516 label if it wasn't set.
14518 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
14520 * cpplib.c (struct directive): Const-ify name pointer and
14521 function pointer prototype.
14522 (validate_else, do_define, do_line, do_include, do_undef,
14523 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
14524 do_elif, do_endif, do_sccs, do_assert, do_unassert,
14525 do_warning): Const-ify second arg.
14526 (directive_table): Mark const. Reorder entries by frequency
14527 of usage, record statistics.
14529 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
14531 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
14532 bounds- check RTL accesses if --enable-checking.
14533 (RTVEC_ELT): Bounds check if --enable-checking.
14534 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
14535 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
14536 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
14538 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
14539 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
14541 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
14542 (NOTE_SOURCE_FILE): Use X0STR.
14543 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
14544 MEM_ALIAS_SET): Use X0INT.
14545 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
14546 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
14548 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
14549 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
14550 (rtl_check_failed_bounds, rtl_check_failed_type1,
14551 rtl_check_failed_type2, rtvec_check_failed_bounds): New
14553 (fancy_abort): Fix comment.
14555 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
14556 (cse_insn): Decrement LABEL_NUSES for jump target before
14557 deleting jump insn.
14558 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
14559 * final.c (alter_subreg): Compute regno before changing x to
14560 REG; set REGNO(x) after changing it.
14561 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
14562 notes containing CONST_INTs.
14563 (delete_eh_regions): Use NOTE_EH_HANDLER.
14564 * function.c (put_reg_into_stack): Make reg a MEM before
14566 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
14568 (gen_mem_addressof): Make reg a MEM before initializing it.
14569 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
14571 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
14572 deleting an insn, not after.
14573 (block_alloc): Only look at PATTERN(insn) if we have to, and
14574 only if it's format class 'i'.
14575 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
14576 CONST_INT before using its INTVAL.
14577 * print-rtl.c (print_rtx): Use X0STR.
14578 * regmove.c (fixup_match_1): Don't look at PATTERN of
14579 non-class-'i' insn chain elements.
14580 * reload.c (loc_mentioned_in_p): Take address of
14581 in->fld[1].rtx directly.
14582 * reload1.c (reload): Change reg to a MEM before initializing
14584 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
14586 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
14588 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
14590 * config/mips/mips.c (machine_dependent_reorg): Force a
14591 barrier to output the local constant pool if a barrier hasn't
14592 been found at a natural point in the instruction stream.
14594 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14596 * c-parse.in (language_string): Constify.
14598 * dwarf2out.c (language_string): Remove declaration.
14600 * dwarfout.c (language_string): Likewise.
14602 * toplev.c (language_string, init_parse, finish_parse): Likewise.
14604 * tree.h (language_string, init_parse, finish_parse): Declare.
14606 * i386/sun386.h (language_string): Remove declaration.
14608 * mips.h (language_string): Likewise.
14610 * nextstep.h (language_string): Likewise.
14612 * nextstep21.h (language_string): Likewise.
14614 * rs6000.c (language_string): Likewise.
14616 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14618 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
14619 (getpwd.o): Remove target.
14621 * getpwd.c: Delete file. Its in libiberty now.
14623 * dbxout.c (getpwd): Don't prototype.
14624 * dwarf2out.c (getpwd): Likewise
14625 * dwarfout.c (getpwd): Likewise
14626 * final.c (getpwd): Likewise.
14627 * protoize.c (getpwd): Likewise.
14629 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14631 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
14633 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
14635 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
14636 mark_set_resources.
14638 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
14640 * fixinc/Makefile.in (subdir): New.
14641 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
14644 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
14646 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
14647 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
14650 * invoke.texi: Fix typo.
14652 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
14653 changed. Handle autoincrement addressing modes.
14655 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
14656 just like we would the virtual incoming args register when
14659 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
14661 * rs6000.h (ASM_FILE_START): Specify complete filename, including
14662 path, in .file directive.
14664 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
14666 * gcc.texi (External Bugs): Remove obsolete note about Perl on
14669 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
14671 * stdbool.h: Make the typedef name _Bool, with bool a #defined
14674 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14676 * tree.c (tree_code_name): Constify a char*.
14678 * tree.h (tree_code_name, decl_printable_name): Likewise.
14680 * function.h (struct function): Likewise.
14682 * toplev.c (decl_name, decl_printable_name): Likewise.
14684 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
14686 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
14687 (init_objc): Remove function pointer cast.
14689 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
14691 * pa.md (interspace_jump): New pattern.
14692 (builtin_longjmp): New expander.
14694 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
14696 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
14697 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
14698 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
14700 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
14702 * jump.c (delete_prior_computation): Also check calls
14703 to constant functions. Don't bother checking for a
14704 REG_UNUSED note before adding it.
14705 (delete_computation): Handle multi-word hard registers
14706 when synthesizing missing REG_DEAD notes for a register
14707 which is both set and used by an insn.
14709 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14711 * loop.c (this_loop_info): New variable.
14712 (loop_has_call, loop_has_volatile, loop_has_tablejump,
14713 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
14715 (prescan_loop, strength_reduce): New argument loop_info. All callers
14717 (scan_loop): New variable loop_info, initialise to address of
14719 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
14720 Delete variable loop_has_multiple_exit targets and replace with
14721 field in this_loop_info.
14722 (find_and_verify_loops): Rename this_loop to this_loop_num.
14723 (strength_reduce): Delete loop_iteration_info. Replace variable
14724 loop_info with function argument of same name.
14725 (insert_bct): Rework test for loop being completely unrolled.
14727 * loop.h (struct loop_info): New fields num, loops_enclosed,
14728 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
14729 has_indirect_jump, and cont. Redefine use of unroll_number.
14730 (loop_unroll_number): Delete.
14732 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
14733 field of loop_info.
14734 (loop_iterations): Delete variable vtop and instead use
14735 loop_info->vtop computed in prescan_loop.
14737 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
14739 * fix-header.c (main): Do not pass a null pointer to strcmp.
14741 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
14743 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
14745 * configure: Rebuilt.
14747 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
14749 * jump.c (jump_optimize_1): Do not delete assignments to
14750 internal_arg_pointer.
14751 * cse.c (delete_trivially_dead_insns): Always consider a set of
14752 the internal_arg_pointer live.
14754 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
14756 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
14757 (update_life_info) [REG_WAS_0]: Search the original insns rather
14758 than the new insns for the note. Fix typos finding note_dest.
14759 If no dest found, discard the note rather than abort.
14760 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
14761 (replace_insns): Remove the old insn list after update_life_info
14764 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
14766 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
14767 sched_analyze_insn.
14768 (sched_analyze_1): Let add_dependence care for not adding dups.
14769 (sched_analyze_2): Likewise.
14770 (add_branch_dependences): Likewise.
14772 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
14774 * i386/winnt.c (export_list): New type.
14775 (exports_head): Rename to
14776 (export_head): this.
14777 (i386_pe_record_exported_symbol): Add is_data flag.
14778 (i386_pe_asm_file_end): Emit directive for exported variables.
14779 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
14781 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
14782 (ASM_DECLARE_OBJECT_NAME): Likewise.
14783 (ASM_DECLARE_FUNCTION_NAME): Likewise.
14784 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
14786 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
14788 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
14790 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
14793 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
14795 * config/openbsd.h: Define SET_ASM_OP.
14796 * tm.texi: cross-reference SET_ASM_OP in the index.
14798 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
14800 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
14801 for a CONST_DOUBLE, at compile time. Initialize rtx_length
14802 and class_narrowest_mode at compile time. Kill init_rtl.
14803 Mark rtx_length, mode_class, mode_size, mode_unit_size,
14804 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
14805 rtx_format as const. Kill all references to EXTRA_CC_MODES or
14807 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
14809 * rtl.h: Declare rtx_length and rtx_format as const.
14810 * machmode.def: Define CC(). Use CC() to define CCmode. If
14811 EXTRA_CC_MODES is defined, expand it here.
14812 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
14813 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
14814 const. Kill all references to EXTRA_CC_MODES.
14816 * toplev.c: Don't prototype or call init_rtl.
14817 * optabs.c: Don't call init_mov_optab.
14818 * genemit.c: Don't generate init_mov_optab. Don't call
14820 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
14822 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
14823 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
14824 genrecog.c: Don't call init_rtl.
14826 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
14827 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
14828 definition of EXTRA_CC_MODES.
14830 * md.texi: Kill ref to EXTRA_CC_NAMES.
14831 * tm.texi: Document new way to define EXTRA_CC_MODES.
14833 * genrecog.c: Do not look up the name of a define_split.
14834 (Unrelated bugfix.)
14836 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
14838 * config/v850/v850.md: Fix typo introduced by previous delta.
14840 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14842 * gcc.c (fatal): Make definition static to match prototype.
14844 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14846 * combine.c (get_last_value): Don't look for earlier sets if the last
14847 known set is somewhere in between the insns being combined.
14849 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
14851 * configure.in: Don't use shell ! to negate exit codes
14852 * configure: Regenerate
14854 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
14856 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
14857 the fact that ALIGN is measured in bits, not bytes.
14859 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
14861 * errors.c: New file; defines functions error, warning, and
14862 fatal, variables have_error and progname.
14863 * errors.h: New file; prototypes and decls for stuff in errors.c.
14865 * Makefile: Add rules to build errors.o and
14866 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
14867 genopinit, genrecog, genextract, genpeep, genattr, and
14868 genoutput with errors.o. Add errors.h to deps of genconfig.o,
14869 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
14870 genpeep.o, genattr.o, and genoutput.o.
14872 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
14873 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
14874 define or prototype fatal. Set progname at beginning of main.
14875 * genoutput.c: Likewise, and don't define or prototype error
14878 * c-typeck.c (c_expand_start_case): Return immediately if exp
14880 * fold-const.c (operand_equal_p): Return immediately if arg1
14881 or arg0 are ERROR_MARKs.
14882 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
14883 fields of type ERROR_MARK when calculating if the record can
14886 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
14887 with much help from Jeffrey A Law and Richard Henderson
14889 * i386.md: In the 6 insns which call output_fix_trunc,
14890 earlyclobber operands[0].
14892 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
14894 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
14895 creating new registers.
14897 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
14899 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
14900 i386_reg_alloc_order, i386_regparm_string,
14901 i386_align_loops_string, i386_align_jumps_string,
14902 i386_align_funcs_string, i386_preferred_stack_boundary_string,
14903 and i386_branch_cost_string as type "const char *".
14904 * i386.c: Define all above strings as type "const char *".
14906 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
14908 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
14909 when emitting alignment padding. Emit padding byte of 0 instead of 4.
14911 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
14913 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
14914 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
14916 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
14918 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
14919 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
14920 (dwarf2out_line, dwarf2out_finish): Likewise.
14921 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
14923 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
14925 * tree.c (lang_unsave_expr_now) : Correct return type.
14926 * tree.h (lang_unsave_expr_now) : Same.
14928 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
14930 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
14931 instead of duplicating code.
14933 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14935 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
14937 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
14939 * tree.h: fancy_abort always takes three args.
14940 * resource.c: Move include of system.h before toplev.h.
14942 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
14944 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
14947 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
14949 * system.h: Don't redefine abort or trim_filename.
14950 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
14951 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
14952 whether or not __FUNCTION__ is available.
14953 * tree.h: Duplicate rtl.h's definition of abort, for files
14954 that don't include rtl.h. Delete all code to perform type
14955 checking with a compiler other than GCC.
14956 * varray.h: Delete all code to perform type checking with a
14957 compiler other than GCC. Make VARRAY_CHECK() always evaluate
14958 its arguments exactly once, using a statement expression.
14959 Adjust the VARRAY_<type> accessor macros to match.
14960 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
14961 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
14962 caller's location. Define fatal_insn and fatal_insn_not_found
14963 as macros that use _fatal_insn and _fatal_insn_not_found.
14964 (fancy_abort, trim_filename): Kill prototypes.
14966 * rtl.c (trim_filename): Move here from toplev.c.
14967 (fancy_abort): New function.
14968 (DIR_SEPARATOR): Provide default definition.
14969 * tree.c (tree_check_failed, tree_class_check_failed): Go
14970 through fancy_abort.
14971 (tree_check, tree_class_check, cst_or_constructor_check,
14972 expr_check): Delete.
14973 * varray.c (varray_check_failed): New function.
14974 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
14975 _fatal_insn and _fatal_insn_not_found. Go through
14977 (trim_filename, fancy_abort): Delete.
14979 * builtins.c (expand_builtin_args_info): Report ICE with abort.
14980 * except.c (start_catch_handler): Report ICE with error/abort
14982 * final.c (output_operand_lossage): Likewise.
14983 * flow.c (verify_flow_info): Likewise.
14985 * gcc.c: Prototype fatal.
14986 * gengenrtl.c: Undef abort after including rtl.h not system.h.
14987 * genattr.c, genattrtab.c, genemit.c, genextract.c,
14988 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
14989 Don't define fancy_abort.
14991 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
14993 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
14996 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
14998 * m88k.h (VERSION_INFO2): Kill.
14999 (VERSION_STRING): Kill.
15001 (VERSION_INFO1): Tidy.
15002 (TARGET_VERSION): Update.
15003 * m88k/dgux.h (VERSION_INFO2): Kill.
15004 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
15005 * m88k/luna.h (VERSION_INFO1): Tidy.
15006 * m88k/sysv4.h (VERSION_INFO1): Likewise.
15007 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
15008 (output_file_start): Adjust for death of VERSION_STRING.
15010 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
15012 * cpplib.c (detect_if_not_defined): New function.
15013 (do_if): Use it to detect potential once-only headers.
15015 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
15017 * c-common.c (combine_strings): Always set TREE_CONSTANT.
15019 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
15021 * combine.c (nonzero_bits) : Allow single-ly set registers to be
15022 anywere in the function only if they are pseudos and set before
15023 being used (not live at the start of the function).
15024 (num_sign_bit_copies) : Same.
15025 (get_last_value_validate) : Same.
15026 (get_last_value) : Same.
15028 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
15030 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
15031 where N and M are constant and N is an integer multiple of M.
15033 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15035 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
15036 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
15037 sbitmap_union_of_preds): Add prototypes.
15038 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
15039 the intersection of successors with the new flow graph structures.
15040 (sbitmap_intersection_of_preds): New function to compute the
15041 intersection of predecessors with the new flow graph structures.
15042 (sbitmap_union_of_succs): New function to compute the union of
15043 successors with the new flow graph structures.
15044 (sbitmap_union_of_preds): New function to compute the union of
15045 predecessors with the new flow graph structures.
15046 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
15047 (expr_reaches_here_p): Use edge and basic_block structures instead
15048 of s_preds and s_succs.
15049 (compute_cprop_avinout): Use new sbitmap routines.
15050 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
15051 of s_preds and s_succs.
15052 * flow.c (compute_flow_dominators): Compute dominators using
15053 edges and basic blocks instead of s_preds and s_succs.
15055 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15057 * lists.c (unused_insn_list, unused_expr_list): New file for
15058 maintaining various types of lists. New statics for maintaining a
15059 cache of available INSN_LIST and EXPR_LIST nodes.
15060 (free_list): Static function for freeing a list of INSN/EXPR nodes.
15061 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
15062 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
15063 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
15064 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
15065 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
15066 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
15067 (free_INSN_LIST_node): Free an individual INSN_LIST node.
15068 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
15069 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
15070 (remove_dependence, free_pending_lists): Use new global routines.
15071 (flush_pending_lists, sched_analyze_insn): Use new global routines.
15072 (sched_analyze, compute_block_backward_dependences): Use new routines.
15073 (sched_analyze_1, sched_analyze_2): Use new routines.
15074 (schedule_insns): Use new global routines.
15075 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
15077 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
15078 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
15080 * toplev.c (rest_of_compilation): Initialize node cache.
15081 * Makefile.in (OBJS): Add lists.o to list of object files.
15082 (lists.o): Add dependancies.
15084 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
15086 * config/v850/v850.md: Fix compile time warning messages.
15087 * config/v850/v850.c: Fix compile time warning messages.
15088 * config/v850/v850.h: Fix compile time warning messages.
15090 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15092 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
15093 Remove unused prototype for `init_lengths'.
15095 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15097 * calls.c (emit_call_1): Mark parameter `stack_size' with
15099 (expand_call): Initialize variable `insn'.
15100 (emit_library_call): Likewise for variable `high_to_save'.
15101 (emit_library_call_value): Likewise.
15102 (store_one_arg): Likewise for variables `lower_bound' and
15105 * combine.c (try_combine): Likewise for variables `i2_code_number'
15106 and `other_code_number'.
15107 (find_split_point): Likewise for variables `pos', `unsignedp' and
15109 (simplify_if_then_else): Likewise for variables `op' and `c1'.
15110 (simplify_and_const_int): Remove unused variable `width'.
15111 (merge_outer_ops): Likewise.
15113 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
15114 HOST_WIDE_INT' when comparing against one.
15115 (simplify_relational_operation): Likewise.
15116 (cse_insn): Initialize variables `src_eqv_volatile',
15117 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
15119 * final.c (init_final): Constify parameter `filename'.
15120 (final_start_function): Mark parameter `optimize' with
15122 (profile_function): Likewise for parameters `first' and `optimize'.
15123 (output_source_line): Likewise for parameter `file'.
15125 * integrate.c (subst_constants): Cast a value to `size_t' when
15126 comparing against one.
15127 (mark_stores): Initialize variable `mode'. Cast a value to
15128 `size_t' when comparing against one.
15130 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
15132 * loop.c (move_movables): Initialize variable `first'.
15133 (strength_reduce): Likewise for variable `increment'.
15134 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
15135 value to `size_t' when comparing against one.
15136 (load_mems): Initialize variable `end_label'.
15138 * output.h (init_final): Constify parameter.
15140 * reload.c (decompose): Initialize variable `base'.
15142 * reload1.c (reload): Likewise for variable `is_scalar'.
15143 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
15144 (choose_reload_regs): Initialize variable `mode'.
15145 (emit_reload_insns): Likewise for variable `store_insn'.
15146 (reload_cse_noop_set_p): Mark parameter `insn' with
15148 (reload_combine): Initialize variable `set'.
15150 * unroll.c (unroll_loop): Likewise for variable `local_label'.
15151 (copy_loop_body): Cast a value to `size_t' when comparing against
15154 * varasm.c (assemble_variable): Initialize variable `size_tree'.
15155 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
15156 (remove_from_pending_weak_list): Mark parameter `name' with
15159 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15161 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
15164 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
15166 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
15167 (ASM_DECLARE_FUNCTION_NAME): Define.
15168 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
15169 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
15170 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
15171 not already defined.
15173 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
15175 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
15176 of n_popped when call/call_value are not defined.
15178 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
15180 * tm.texi: GNU CC -> GCC conversion.
15181 (CC1_SPEC): Indicate it is used for all language front ends.
15183 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
15185 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
15186 NOTE_INSN_EH_REGION_END correctly.
15188 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
15189 Jeff Law <law@cygnus.com>
15191 * loop.c (strength_reduce): Automatically unroll loops if the
15192 unrolled loop size is smaller than the rolled loop size.
15194 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
15195 and delete comment that code should be rewritten.
15197 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
15199 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
15202 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
15204 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
15206 * fixinc/mkfixinc.sh: Don't fix uwin headers.
15207 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
15208 (LINK_SPEC): Add -u _main when building executables.
15209 (ASM_DECLARE_FUNCTION): Update from Cygwin.
15210 (ASM_FILE_END): Use the default for ix86-pe.
15211 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
15213 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
15215 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
15216 and ASM_CLOSE_PAREN are empty strings.
15218 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
15219 Geoffrey Keating <geoffk@cygnus.com>
15221 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
15222 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
15223 (unprotoize.o): Ditto.
15224 (test-protoize-simple): Don't define STD_PROTO_DIR.
15225 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
15226 changes to make 'test-protoize-simple' pass.
15227 (STD_PROTO_DIR): Remove define.
15228 (STANDARD_EXEC_PREFIX): Supply default define.
15229 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
15230 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
15231 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
15232 (GET_ENV_PATH_LIST): New macro.
15233 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
15234 (do_processing): Initialize default_syscalls_dir using new
15235 macros. Use it to initialize syscalls_absolute_filename.
15237 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
15239 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
15240 B into a register before emit_conditional_move.
15242 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
15244 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
15245 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
15246 multiplicand out of (+ (* a b) (* c d)).
15248 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
15249 Richard Henderson <rth@cygnus.com>
15251 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
15252 (new_insn_dead_notes): Likewise.
15253 (update_n_sets): Likewise.
15254 (update_flow_info): Move to flow.c, renamed to update_life_info;
15255 extend to handle multiple source insns.
15256 * flow.c: Include resource.h
15257 (unlink_insn_chain): New.
15258 (split_hard_reg_notes): New.
15259 (maybe_add_dead_note): New.
15260 (maybe_add_dead_note_use): New.
15261 (find_insn_with_note): New.
15262 (new_insn_dead_notes): New.
15263 (update_n_sets): New.
15264 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
15265 (maybe_remove_dead_notes): New.
15266 (update_life_info): New.
15267 (prepend_reg_notes): New.
15268 (replace_insns): New.
15269 * output.h (update_life_info): Declare.
15270 * recog.c (split_block_insns): Use update_life_info.
15271 * resource.c (find_free_register): Use reg_alloc_order, don't use
15272 fixed regs, make sure the mode is supported, don't use new regs.
15274 * rtl.h (replace_insns): Declare.
15276 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
15278 * expr.c (expand_expr): Cope with COND_EXPRs with one
15279 non-returning branch.
15281 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
15283 * expr.c (store_expr): Always pass down the target, even when not
15286 1999-08-24 Nick Clifton <nickc@cygnus.com>
15288 * configure.in: Define target_cpu_default for v850 targets.
15289 * configure: Regenerate
15291 * config/v850/v850.h (TARGET_CPU_generic): Define.
15292 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
15293 addresses are 4 byte aligned.
15295 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
15298 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15300 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
15301 (main): Add prototypes.
15303 * genattrtab.c (substitute_address, write_const_num_delay_slots,
15304 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
15305 (write_attr_get): Emit prototypes along with function definition.
15306 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
15307 (write_complex_function): Emit static prototype along with
15308 function definition.
15310 * genemit.c (gen_split): Emit prototypes along with function
15313 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
15314 Likewise for predicates and `insn_operand_predicate'.
15315 (process_template): Emit static prototype along with function
15318 * genrecog.c (make_insn_sequence): Constify a char*. Add
15319 prototypes for get_split_*().
15320 (write_subroutine): Emit prototypes along with function
15323 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15325 * gcse.c (find_avail_set): Follow chains of register-register copies.
15326 Use oprs_not_set_p to guarantee that the returned value can be
15328 (cprop_insn): Don't verify the return value of find_avail_set with
15331 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
15332 (cprop_cc0_jump): New function.
15333 (cprop_insn): Break out new function cprop_jump and use it.
15334 Also use cprop_cc0_jump for machines with CC0.
15335 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
15337 * tree.h (current_function_calls_setjmp,
15338 current_function_calls_longjmp): Delete declarations.
15339 * dsp16xx.c: Include "function.h".
15340 * elxsi.c: Likewise.
15341 * gmicro.c: Likewise.
15342 * h8300.c: Likewise.
15343 * i370.c: Likewise.
15344 * m32r.c: Likewise.
15345 * mn10200.c: Likewise.
15346 * mn10300.c: Likewise.
15347 * ns32k.c: Likewise.
15348 * spur.c: Likewise.
15349 * v850.c: Likewise.
15351 * rtl.h (rtx_equal_function_value_matters): Declare.
15352 * toplev.c (rtx_equal_function_value_matters): Don't declare.
15354 * function.c: Likewise.
15355 * emit-rtl.c: Likewise.
15357 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
15359 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
15362 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15364 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
15367 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
15369 * cpp.texi: Add a node documenting macro varargs (copied
15372 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
15374 * cppspec.c: Put a null pointer at the end of the new argv.
15376 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
15378 * configure.in: Remove code to select/de-select the haifa
15379 scheduler. Every scheduled port gets haifa now.
15380 * configure: Rebuilt.
15381 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
15383 * Makefile.in: Corresponding changes.
15385 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15387 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
15388 All callers changed.
15389 (prepare_float_lib_cmp): Likewise.
15390 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
15391 * expr.h (emit_float_lib_cmp): Delete declaration.
15392 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
15393 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
15394 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
15396 (cmptf): Now conditional on TARGET_HARD_QUAD.
15398 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
15400 * resource.c (mark_target_live_regs): Use
15401 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
15403 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15405 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
15407 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
15409 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
15411 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15413 * rtl.h (rtx_format): Constify a char*.
15415 * rtl.c (rtx_format): Likewise.
15416 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
15417 (init_rtl): Use accessor macro, not `rtx_format'.
15419 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
15422 * caller-save.c (mark_referenced_regs): Likewise.
15424 * combine.c (subst, make_compound_operation, known_cond,
15425 gen_rtx_combine, update_table_tick, get_last_value_validate,
15426 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
15428 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
15429 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
15430 count_reg_usage): Likewise.
15432 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
15435 * final.c (leaf_renumber_regs_insn): Likewise.
15437 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
15438 dump_edge_info, count_reg_references): Likewise.
15440 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
15441 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
15444 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
15445 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
15446 add_label_notes): Likewise.
15448 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
15449 clear_struct_flag, count_sub_rtxs, count_alternatives,
15450 compares_alternatives_p, contained_in_p, walk_attr_value,
15451 write_expr_attr_cache): Likewise.
15453 * genconfig.c (walk_insn_part): Likewise.
15455 * genemit.c (max_operand_1, gen_exp): Likewise.
15457 * genextract.c (walk_rtx): Likewise.
15459 * genflags.c (num_operands): Likewise.
15461 * genoutput.c (scan_operands): Likewise.
15463 * genpeep.c (match_rtx): Likewise.
15465 * genrecog.c (add_to_sequence): Likewise.
15467 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
15470 * integrate.c (save_constants, copy_for_inline,
15471 copy_rtx_and_substitute, subst_constants, restore_constants):
15474 * jump.c (mark_jump_label, invert_exp, redirect_exp,
15475 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
15477 * local-alloc.c (contains_replace_regs, memref_referenced_p):
15480 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
15481 add_label_notes, replace_call_address, count_nonfixed_reads,
15482 invariant_p, find_single_use_in_loop, find_mem_givs,
15483 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
15486 * print-rtl.c (reg_names, print_rtx): Likewise.
15488 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
15490 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
15491 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
15492 print_blocks): Likewise.
15494 * regclass.c (fix_register, record_address_regs,
15495 reg_scan_mark_refs): Likewise.
15497 * regmove.c (stable_but_for_p): Likewise.
15499 * reload.c (loc_mentioned_in_p, operands_match_p,
15500 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
15501 copy_replacements, refers_to_regno_for_reload_p,
15502 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
15503 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
15506 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
15507 delete_address_reloads_1, count_occurrences,
15508 reload_cse_mem_conflict_p, reload_combine_note_use,
15509 add_auto_inc_notes): Likewise.
15511 * resource.c (mark_referenced_resources, mark_set_resources):
15514 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
15515 reg_mentioned_p, regs_set_between_p, modified_between_p,
15516 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
15517 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
15518 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
15519 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
15521 * sched.c (sched_analyze_2, attach_deaths): Likewise.
15523 * stupid.c (stupid_mark_refs): Likewise.
15525 * unroll.c (remap_split_bivs): Likewise.
15527 * varasm.c (mark_constants): Likewise.
15529 * a29k/a29k.c (uses_local_reg_p): Likewise.
15531 * alpha/alpha.c (summarize_insn): Likewise.
15533 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
15534 eliminate_lr2ip): Likewise.
15536 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
15538 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
15539 reg_mentioned_in_mem): Likewise.
15541 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
15542 symbolic_reference_mentioned_p): Likewise.
15544 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
15546 * sh/sh.c (regs_used, mark_use): Likewise.
15548 * vax/vax.c (vax_rtx_cost): Likewise.
15550 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15552 * machmode.h (mode_name): Constify a char*.
15554 * rtl.c (mode_name): Likewise.
15556 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
15558 * optabs.c (init_libfuncs): Constify a char*.
15560 * print-tree.c (mode_name): Remove redundant declaration.
15561 (print_node): Use accessor macro, not `mode_name'.
15563 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
15565 (new_spill_reg): Constify a char*.
15567 * tree.c (mode_name): Remove redundant declaration.
15569 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15571 * rtl.c (rtx_name): Constify a char*.
15573 * rtl.h (rtx_name, fix_sched_param): Likewise.
15575 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
15576 (mypr): Use accessor macro, not `rtx_name'.
15578 * genemit.c (print_code): Constify a char*.
15580 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
15582 * genpeep.c (print_code): Constify a char*.
15584 * genrecog.c (print_code): Likewise.
15586 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
15587 end_bb): Add static prototype.
15588 (draw_edge): Constify a char*.
15589 (end_bb): Remove unused parameter.
15591 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
15592 print_block_visualization): Constify a char*.
15594 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
15596 * c-common.c (c_get_alias_set): Update comment.
15598 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
15600 * linux.h (LIB_SPEC): Added.
15602 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15604 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
15606 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
15608 * tree.c (expr_check): Fix typo in last change.
15610 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
15612 * rtl.def (NOTE): Change format to "iuu0n".
15613 (ADDR_DIFF_VEC): Change format to "eEee0".
15614 (ADDRESSOF): Change format to "eit".
15616 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
15617 (RTVEC_ELT): Change to match.
15618 (XVECEXP): Use XVEC and RTVEC_ELT.
15619 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
15620 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
15621 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
15622 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
15623 TRAP_CONDITION, TRAP_CODE): Use XEXP.
15624 (INTVAL): Use XWINT.
15625 (ADDRESSOF_DECL): Use XTREE.
15626 (SET_ADDRESSOF_DECL): Delete.
15627 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
15628 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
15629 ifdefed out since 2.6 at least.
15630 (gen_rtvec_vv): Delete prototype.
15632 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
15634 (copy_most_rtx): Handle 't' format letter.
15635 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
15636 (gen_rtvec_vv): Delete function. All callers changed to use
15637 gen_rtvec_v instead.
15638 * print-rtl.c (print_rtx): Move special casing of NOTEs to
15639 the '0' format letter.
15641 * function.c (gen_mem_addressof): Don't use
15642 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
15644 * integrate.c (copy_rtx_and_substitute): Likewise.
15645 Copy 't' slots with XTREE.
15646 (subst_constants): Treat 't' slots like '[swi]' slots.
15647 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
15648 * jump.c (rtx_equal_for_thread_p): Likewise.
15649 * rtlanal.c (rtx_equal_p): Likewise.
15650 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
15651 only four arguments.
15652 * gengenrtl.c (type_from_format): Provide correct types for
15656 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
15657 If a recent gcc is in use (always in stage2 and beyond), use
15658 statement expressions, so we don't make a function call unless
15659 the check fails. Evaluate arguments exactly once.
15660 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
15661 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
15663 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
15664 they evaluate their arguments exactly once, irrespective of
15665 the compiler in use.
15667 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
15668 is used by the currently-enabled check macros. This is:
15669 (tree_check_failed, tree_class_check_failed): For gcc.
15670 (tree_check, tree_class_check, cst_or_constructor_check,
15671 expr_check): For other compilers.
15673 * gencheck.c: Do not define any *_CHECK1 macros.
15675 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
15676 Mark Mitchell <mark@codesourcery.com>
15678 * c-common.c (c_get_alias_set): Fix support for poitners and
15681 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
15683 * alias.c: Include tree.h.
15684 (nonlocal_reference_p, mark_constant_function): New functions.
15685 * flow.c (life_analysis): Call mark_constant_function.
15686 * rtl.h (mark_constant_function): Declare it.
15688 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
15690 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
15691 unrecognisable switches.
15693 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15695 * loop.c (recombine_givs): Set ix field after sorting.
15696 (recombine_givs): Remove bogus index / giv lockstep looping.
15698 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15700 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
15702 (emit_store_flag_force): Use do_compare_rtx_and_jump.
15703 (do_cmp_and_jump): Formatting fixes.
15704 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
15705 do_compare_rtx_and_jump instead of compare_from_rtx.
15706 (do_compare_rtx_and_jump): New function; mostly copied from
15708 (do_jump_for_compare): Delete.
15709 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
15711 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
15712 of compare/do_jump_for_compare pairs.
15713 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
15714 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
15715 compare_from_rtx/do_jump_for_compare pairs.
15716 (do_jump_by_parts_equality): Likewise.
15717 (do_jump_by_parts_equality_rtx): Likewise.
15718 * expr.h (do_compare_rtx_and_jump): Declare.
15719 * optabs.c (prepare_cmp_insn): New function, contains most of the code
15720 that used to be in emit_cmp_insn.
15721 (cmp_available_p): New function.
15722 (prepare_operand): New function.
15723 (emit_cmp_and_jump_insn_1): New function, contains some code that used
15724 to be in emit_cmp_insn.
15725 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
15726 parameters to be pointers; don't emit final compare but modify some of
15727 the values pointed to by the args so the caller can perform the
15728 correct comparison.
15729 (expand_binop): Call emit_store_flag_force with signed forms of
15731 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
15732 emit_jump_insn pair.
15733 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
15734 emit_cmp_and_jump_insn_1. Call emit_queue.
15735 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
15737 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
15738 jump sets cc0 before deleting it.
15739 * integrate.c (expand_inline_function): Likewise.
15740 * unroll.c (unroll_loop): Similar changes in several places.
15741 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
15742 before deleting it.
15744 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15746 * Makefile.in (insn-recog.o): Update dependencies.
15747 * genrecog.c (main): Make generated file include "function.h".
15749 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
15751 * cse.c (cse_insn): Call never_reached_warning when a jump is
15752 changed to be unconditional.
15753 * flags.h: Declare warn_notreached.
15754 * flow.c (delete_block): Call never_reached_warning when
15755 a block is deleted.
15756 * jump.c (delete_barrier_successors): Call never_reached_warning
15757 when we delete everything after a BARRIER.
15758 (never_reached_warning): New function.
15759 * rtl.h: Declare never_reached_warning.
15760 * toplev.c (warn_notreached): New variable.
15761 (lang_independent_options): Set warn_notreached
15762 when -Wunreachable-code.
15763 (compile_file): We need line numbers for -Wunreachable-code.
15765 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
15767 * haifa-sched.c (insn_unit): Fix typo on out of range test.
15768 * sched.c (insn_unit): Likewise.
15770 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
15772 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
15774 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15776 * flow.c (create_edge_list): Use xmalloc, not malloc.
15778 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
15780 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
15781 C-style comments. Do not lose the character before double slash.
15783 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15785 * basic-block.h (struct edge_list): Stucture to maintain a vector
15787 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
15788 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
15789 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
15790 New function prototypes.
15791 * flow.c (create_edge_list): Function to create an edge list.
15792 (free_edge_list): Discards memory used by an edge list.
15793 (print_edge_list): Debug output showing an edge list.
15794 (verify_edge_list): Internal consistency check for an edge list.
15795 (find_edge_index): Function to find an edge index for a pred and succ.
15797 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
15799 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
15802 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
15804 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
15806 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15808 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
15810 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
15812 * toplev.c (rest_of_compilation): Allow machine dependent
15813 reorganisation pass to place information into the RTL dump
15814 file if it so wishes.
15816 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
15818 * explow.c (hard_function_value): Use VOIDmode instead of
15820 * stmt.c (expand_return): Likewise.
15821 * stor-layout.c (get_best_mode): Likewise.
15823 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
15824 emit call instead of emit_insn call.
15826 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
15828 * configure.in: Handle --disable/enable-win32-registry.
15829 * install.texi: Document --disable/enable-win32-registry.
15830 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
15831 (WIN32_REGISTRY_KEY): New macro.
15832 * prefix.c: Use to enable/disable win32-specific code.
15833 (lookup_key): Use versioned key.
15834 * configure: Regenerate.
15835 * config.in: Likewise.
15837 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
15839 * cpplib.c (read_line_number): New fn, split out of...
15842 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
15844 tree.c (lang_unsave_expr_now) : New.
15845 (unsave_expr_now): Call lang_unsave_expr_now.
15846 tree.h (lang_unsave_expr_now) : New.
15848 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
15850 * toplev.c (flag_new_exceptions): On by default.
15852 1999-08-13 Michael Meissner <meissner@cygnus.com>
15854 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
15856 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
15858 * dwarfout.c (fundamental_type_code): Return FT_boolean for
15859 INTEGER_TYPE with precision==1, it's __java_boolean.
15861 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15863 * global.c (prune_preferences): Move some invariants out of the
15866 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
15868 * configure.in (alpha*-dec-osf*): Add osf5.
15870 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
15872 * configure.in: Rework handling of ARM GNU/Linux slightly.
15873 (arm*-*-linux-gnuoldld): New target.
15874 * configure: Regenerate.
15875 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
15876 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
15877 * config/arm/linux-oldld.h: New file.
15878 * config/arm/linux-elf26.h: Don't include linux-elf.h.
15879 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
15881 * config/arm/linux-elf.h (ASM_SPEC): Define.
15882 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
15883 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
15884 for 26-bit APCS and old linker.
15885 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
15887 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
15888 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
15889 don't define `arm' or `arm_elf'.
15890 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
15891 MULTILIB_DIRNAMES): Define. Fix typo in comment.
15893 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
15895 * rtl.texi: Fix typo.
15897 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
15899 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
15901 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
15903 * extend.texi (C++ Signatures): Remove node.
15904 * invoke.texi: Remove discussion of -fhandle-signatures,
15905 signature, sigof, __signature__, and __sigof__.
15907 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
15909 * Makefile.in (JAVAGC): Removed.
15911 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
15913 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
15915 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
15917 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
15919 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
15921 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
15922 a register that is already known to be a pointer.
15924 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
15926 * fixinc/inclhack.tpl: Only install assert.h conditionally.
15927 * fixinc/inclhack.sh: Regenerated.
15928 * fixinc/fixincl.sh: Regenerated.
15930 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
15932 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
15933 Fix documentation of -ansi flag to describe its C++ behavior.
15934 Remove bogus reference to GCC 2.9.
15936 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
15938 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
15939 note if it is non-NULL.
15941 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15943 * except.h (eh_nesting_info): Add new structure defintion.
15944 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
15945 (reachable_handlers, update_rethrow_references): Add function
15947 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
15948 a rethrow symbol instead of an integer exception region number.
15949 * flow.c (Make_edges): Use new exception nesting routines to determine
15950 which handlers are reachable from a CALL or asynchronous insn.
15951 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
15953 (delete_eh_regions): Update rethrow labels, and don't delete
15954 regions which are the target of a rethrow.
15955 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
15956 avoid overloading the SYMBOL_REF_USED flag.
15957 (rethrow_symbol_map): Use new rethrow_ref field.
15958 (rethrow_used): Use new rethrow_ref field.
15959 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
15960 of an integer. Fix formatting.
15961 (output_exception_table_entry): Use new rethrow_ref field.
15962 (can_throw): Check for EH_REGION_NOTE before deciding
15963 whether a CALL can throw or not.
15964 (scan_region): Call rethrow_used() instead of accessing data structure.
15965 (update_rethrow_references): New function to make sure only regions
15966 which are still targets of a rethrow are flagged as such.
15967 (process_nestinfo): New static function to initialize a handler
15968 list for a specific region.
15969 (init_eh_nesting_info): New function to allocate and initialize
15970 the list of all EH handlers reachable from all regions.
15971 (reachable_handlers): New function to retrieve the list of handlers
15972 reachable from a specific region and insn.
15973 (free_eh_nesting_info): New function to dispose of a list of
15974 reachable handlers.
15976 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15978 * flow.c (split_edge): Set JUMP_LABEL field.
15979 (commit_one_edge_insertion): Set head correctly for insert_before.
15980 When inserting insns, update insn block numbers if allocated.
15982 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15984 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
15985 retry_incomplete_types): Add static prototype.
15986 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
15987 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
15988 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
15989 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
15990 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
15993 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
15994 dwarf2out_start_source_file, dwarf2out_line): Likewise.
15996 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15998 * output.h (assemble_name): Constify a char*.
16000 * varasm.c (UNIQUE_SECTION, assemble_start_function,
16001 assemble_variable, assemble_name): Likewise.
16003 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
16005 * arm/pe.c (arm_pe_unique_section): Likewise.
16007 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
16009 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
16011 * i386/interix.c (i386_pe_unique_section): Likewise.
16013 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
16015 * i386/winnt.c (i386_pe_unique_section): Likewise.
16017 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
16019 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
16021 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
16023 * pa/pa.c (output_call): Likewise.
16025 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
16027 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
16029 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
16032 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
16035 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
16037 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
16038 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
16040 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
16042 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16044 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
16046 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16048 * tree.h (lang_identify): Constify a char*.
16049 (print_error_function): Add extern prototype. Constify a char*.
16051 * c-lang.c (lang_identify): Constify a char*.
16053 * objc/objc-act.c (lang_identify): Constify a char*.
16055 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16057 * genpeep.c (main): Make generated file include "function.h".
16058 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
16060 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16062 * Makefile.in: Update dependencies.
16063 * alias.c: Include "function.h"
16064 * c-decl.c: Likewise.
16065 * caller-save.c: Likewise.
16066 * calls.c: Likewise.
16067 * combine.c: Likewise.
16069 * explow.c: Likewise.
16070 * final.c: Likewise.
16071 * global.c: Likewise.
16072 * graph.c: Likewise.
16073 * local-alloc.c: Likewise.
16074 * loop.c: Likewise.
16075 * optabs.c: Likewise.
16076 * profile.c: Likewise.
16077 * recog.c: Likewise.
16078 * regclass.c: Likewise.
16079 * regmove.c: Likewise.
16080 * reload.c: Likewise.
16081 * reorg.c: Likewise.
16082 * resource.c: Likewise.
16083 * sched.c: Likewise.
16084 * stupid.c: Likewise.
16085 * config/1750a/1750a.c: Likewise.
16086 * config/a29k/a29k.c: Likewise.
16087 * config/arc/arc.c: Likewise.
16088 * config/arm/arm.c: Likewise.
16089 * config/arm/thumb.c: Likewise.
16090 * config/c4x/c4x.c: Likewise.
16091 * config/clipper/clipper.c: Likewise.
16092 * config/convex/convex.c: Likewise.
16093 * config/fx80/fx80.c: Likewise.
16094 * config/i860/i860.c: Likewise.
16095 * config/m68k/m68k.c: Likewise.
16096 * config/m88k/m88k.c: Likewise.
16097 * config/mips/mips.c: Likewise.
16098 * config/pdp11/pdp11.c: Likewise.
16099 * config/pyr/pyr.c: Likewise.
16100 * config/romp/romp.c: Likewise.
16101 * config/sh/sh.c: Likewise.
16102 * config/tahoe/tahoe.c: Likewise.
16103 * config/vax/vax.c: Likewise.
16104 * config/we32k/we32k.c: Likewise.
16105 * config/sparc/sparc.c: Include "function.h".
16106 (mem_min_alignment): Test current_function rather than
16107 regno_pointer_align.
16108 * config/pa/pa.c: Likewise.
16109 (compute_frame_size): Delete declaration of
16110 current_function_outgoing_args_size.
16111 * config/arc/arc.h (current_function_varargs): Delete declaration.
16112 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
16114 * config/i370/i370.h (current_function_outgoing_args_size): Delete
16116 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
16117 current_function_uses_pic_offset_table.
16118 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
16119 of current_function_returns_pointer.
16120 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16121 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16122 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16123 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16124 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16125 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16126 * config/m88k/m88k.c: Include "function.h"
16127 (call_used_regs, current_function_pretend_args_size,
16128 current_function_outgoing_args_size, frame_pointer_needed): Delete
16130 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
16132 * config/mips/mips.h (current_function_calls_alloca): Delete
16134 * config/mn10200/mn10200.h (current_function_needs_context,
16135 rtx_equal_function_value_matters): Delete declarations.
16136 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
16137 flag_pic): Delete declarations.
16138 * config/pa/pa.h (current_function_pretend_args_size,
16139 current_function_decl): Delete declarations.
16140 * config/pa/som.h (current_function_varargs): Delete declaration.
16141 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
16143 * config/pyr/pyr.h (current_function_pretend_args_size,
16144 current_function_args_size, current_function_calls_alloca): Delete
16146 * config/sh/sh.h (current_function_varargs): Delete declaration.
16147 * config/sparc/sparc.h (current_function_outgoing_args_size,
16148 current_function_calls_alloca, current_function_decl): Delete
16150 * config/spur/spur.h (current_function_pretend_args_size,
16151 current_function_calls_alloca): Delete declarations.
16152 * config/v850/v850.c (current_function_outgoing_args_size): Delete
16154 * config/vax/vms.h (current_function_name): Delete declaration.
16155 * gcse.c: Include "function.h".
16156 (current_function_name, current_function_calls_setjmp): Delete
16158 * haifa-sched.c: Include "function.h".
16159 (forced_labels): Delete declaration.
16160 * jump.c: Likewise.
16161 * reg-stack.c: Likewise.
16162 * reload1.c: Likewise.
16163 * genemit.c (main): Make generated file include function.h.
16164 * genoutput.c (output_prologue): Likewise.
16166 * builtins.c (saveregs_value, apply_args_value): Delete variables.
16167 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
16168 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
16169 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
16170 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
16171 macros for some of them.
16172 (emit_filename, emit_lineno): Delete declarations.
16173 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
16174 regno_pointer_* variables through current_function.
16175 (gen_inline_header_rtx): Delete function.
16176 (save_emit_status): Delete function.
16177 (set_new_last_label_num): New function.
16178 (clear_emit_caches): New function.
16179 (restore_emit_status): Just clear last_labelnum and call
16181 (get_last_insn_anywhere): Variable sequence_stack is now accessed
16182 through macro seq_stack.
16183 (add_insn_after): Likewise.
16184 (add_insn_before): Likewise.
16185 (remove_insn): Likewise.
16186 (pop_topmost_sequence): Likewise.
16187 (in_sequence_p): Likewise.
16188 (start_sequence_for_rtl_expr): Likewise.
16189 (start_sequence): Likewise, and likewise for
16190 sequence_rtl_expr/seq_rtl_expr.
16191 (push_topmost_sequence): Likewise.
16192 (end_sequence): Likewise.
16193 (init_virtual_regs): Now takes a "struct emit_status *" argument.
16194 All callers changed. Store into that pointer instead of globals.
16195 (init_emit): Allocate emit elt of current_function.
16196 Changes for sequence_rtl_expr/sequence_stack renaming.
16197 Call clear_emit_caches instead of doing it in-line.
16198 Access regno_pointer_* variables through current_function.
16199 (init_emit_once) Don't clear sequence_stack.
16201 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
16203 (arg_pointer_save_area): Delete declaration.
16204 (finish_expr_for_function): Renamed from init_queue; no longer static.
16205 (init_expr): Don't call init_queue.
16206 (save_expr_status, restore_expr_status): Delete functions.
16207 (expand_expr): Changes to reflect new layout of struct function.
16208 Don't access current_function_check_memory_usage when current_function
16210 * expr.h (forced_labels, save_expr_regs, saveregs_value,
16211 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
16212 current_function_outgoing_args_size, current_function_arg_offset_rtx,
16213 current_function_uses_const_pool, function_call_count,
16214 current_function_uses_pic_offset_table, nonlocal_labels,
16215 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
16216 current_function_check_memory_usage, nonlocal_goto_handler_slots,
16217 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
16219 (finish_expr_for_function): Declare.
16220 * flags.h (current_function_has_nonlocal_label,
16221 current_function_has_nonlocal_goto, current_function_is_thunk,
16222 current_function_has_computed_jump): Delete declarations.
16223 * flow.c (forced_labels): Delete declaration.
16224 * function.c (current_function_pops_args,
16225 current_function_returns_struct, current_function_returns_pcc_struct,
16226 current_function_needs_context, current_function_calls_setjmp,
16227 current_function_calls_longjmp, current_function_has_nonlocal_label,
16228 current_function_has_nonlocal_goto, current_function_is_thunk,
16229 current_function_has_computed_jump, current_function_calls_alloca,
16230 current_function_contains_functions, current_function_returns_pointer,
16231 current_function_epilogue_delay_list, current_function_args_size,
16232 current_function_pretend_args_size, current_function_arg_offset_rtx,
16233 current_function_outgoing_args_size, current_function_varargs,
16234 current_function_stdarg, current_function_args_info, cleanup_label,
16235 current_function_name, current_function_uses_const_pool,
16236 current_function_instrument_entry_exit, current_function_return_rtx,
16237 current_function_uses_pic_offset_table, nonlocal_labels,
16238 current_function_internal_arg_pointer, current_function_cannot_inline,
16239 current_function_check_memory_usage, function_call_count,
16240 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
16241 nonlocal_goto_stack_level, return_label, save_expr_regs,
16242 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
16243 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
16244 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
16245 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
16246 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
16248 (push_function_context_to): Don't save them. Don't call
16249 save_storage_status, save_emit_status or save_expr_status.
16250 (pop_function_context_from): Don't restore them. Don't call
16251 restore_storage_status or restore_expr_status.
16252 (get_func_frame_size): New function.
16253 (get_frame_size): Use it.
16254 (assign_outer_stack_local): Reflect some member name changes in struct
16256 (put_reg_into_stack): Likewise.
16257 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
16259 (fixup_var_refs): Likewise.
16260 (fix_lexical_addr): Likewise.
16261 (trampoline_address): Likewise.
16262 (prepare_function_start): Clear field inlinable of current_function.
16263 (init_function_for_compilation): New function.
16264 (expand_dummy_function_end): New function.
16265 (expand_function_end): Call finish_expr_for_function.
16266 * function.h (struct emit_status): New; fields moved here from struct
16267 function and from global variables. Add accessor macros for some of
16269 (struct expr_status): Likewise.
16270 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
16271 (struct function): Add fields expr and emit, inlinable, inl_emit,
16272 original_arg_vector, original_decl_initial, inl_last_parm_insn,
16273 inl_max_label_num. Add many comments.
16274 Add accessor macros for all elts of struct function that no longer
16275 have a global variable.
16276 (cleanup_label, return_label, frame_offset, tail_recursion_label,
16277 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
16278 stack_slot_list): Delete declarations.
16279 (get_func_frame_size): Declare.
16280 (save_expr_status, restore_expr_status, save_emit_status,
16281 save_storage_status, restore_storage_status): Delete declarations.
16282 (init_virtual_regs): Declare.
16283 * output.h (current_function_pops_args,
16284 current_function_returns_struct, current_function_returns_pcc_struct,
16285 current_function_needs_context, current_function_calls_setjmp,
16286 current_function_calls_longjmp, current_function_calls_alloca,
16287 current_function_has_nonlocal_label, current_function_varargs,
16288 current_function_has_computed_jump, current_function_returns_pointer,
16289 current_function_contains_functions, current_function_args_size,
16290 current_function_pretend_args_size, current_function_stdarg,
16291 current_function_outgoing_args_size, current_function_args_info,
16292 current_function_name, current_function_return_rtx,
16293 current_function_epilogue_delay_list,
16294 current_function_uses_const_pool, current_function_cannot_inline):
16295 Delete declarations.
16296 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
16297 regno_reg_rtx): Delete declaration.
16298 (REGNO_POINTER_FLAG): Delete macro.
16299 * stmt.c (expand_goto): Changes to reflect that some fields in struct
16300 function were renamed.
16301 * stor-layout.c (save_storage_status, restore_storage_status): Delete
16303 * toplev.c: Include "function.h".
16304 (current_function_decl): Delete declaration.
16305 (compile_file): Call init_dummy_function_start and
16306 expand_dummy_function_end around some initializations that need to
16308 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
16309 Call init_function_for_compilation.
16310 * unroll.c: Include "function.h"
16311 (unroll_loop): Access regno_pointer_* variables through
16314 * tree.h (struct tree_decl): Add elt f to saved_insns member.
16315 (DECL_SAVED_INSNS): use it.
16316 (expand_dummy_function_end): Declare.
16317 (init_function_for_compilation): Declare.
16318 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
16319 that it's no longer an INLINE_HEADER.
16320 (expand_call): Likewise.
16321 * integrate.c (finish_inline): Delete function.
16322 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
16323 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
16324 args. Don't generate an INLINE_HEADER rtx, just return the arg
16325 vector. All callers changed.
16326 (save_for_inline_copying): Create a duplicate struct emit_status to
16327 hold the emit state for compiling the current function. Use this and
16328 the other new fields in struct function that are for integration
16329 instead of an INLINE_HEADER.
16330 Use memcpy instead of bcopy.
16331 Store the current struct function in DECL_SAVED_INSNS of fndecl.
16332 (save_for_inline_nocopy): Similar changes, except no new emit_status
16334 (expand_inline_function): Get information from function structure,
16335 not from an inline header rtx.
16336 (output_inline_function): Lose code to extract the necessary
16337 information from an inline header; simply put back the function
16338 structure into current_function. Clear its inlinable elt.
16339 * rtl.def (INLINE_HEADER): Delete.
16340 * rtl.h: Delete all accessors for an INLINE_HEADER.
16341 (gen_inline_header_rtx): Delete declaration.
16342 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
16343 Delete declarations.
16344 (REGNO_POINTER_ALIGN): Delete.
16345 (clear_emit_caches): Declare.
16346 (set_new_last_label_num): Declare.
16348 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
16350 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
16352 * except.c (expand_eh_region_start_for_decl): Always start a new block.
16353 * stmt.c (is_eh_region): Make sure current_function is present, too.
16355 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
16357 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
16358 for 64bit PA targets.
16360 * pa.h (SELECT_SECTION): Define.
16361 * som.h (SELECT_SECTION): Delete.
16363 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16365 * alias.c (init_alias_analysis): Wrap call to
16366 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
16368 1999-08-07 Bruce Korb <autogen@linuxbox.com>
16370 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
16371 <sys/asm.h> contains an asm comment with an apostrophe
16372 * fixinc/inclhack.sh: regen
16373 * fixinc/fixincl.x: regen
16375 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
16377 * function.c (init_function_start): Clear prologue & epilogue.
16378 (prologue_epilogue_contains): New function.
16379 * alias.c (init_alias_analysis): Use it.
16380 * rtl.h (prologue_epilogue_contains): Declare it.
16382 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
16384 * jump.c (onlyjump_p): New function.
16385 * rtl.h: Declare it.
16386 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
16387 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
16389 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
16391 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
16392 to invert loops. Simplify block scanning.
16394 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16396 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
16397 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
16399 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
16401 * config/sparc/liteelf.h: New file to support sparclite-elf target
16402 * config/sparc/t-sp86x: New file to support sparc86x targets
16403 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
16404 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
16405 * configure.in: Support above target triplets
16406 * configure: Regenerated
16408 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
16410 * fixinc/server.c (server_setup): Do not prefix function used as
16411 parameter with `&'.
16413 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
16415 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
16416 Remove fp reg alternatives.
16418 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
16420 * Makefile.in (TAROUTOPTS): Kill.
16421 (install-headers-tar): Use "xpf" for tar headerfile extraction
16422 * i370/x-oe (TAROUTOPTS): Delete.
16423 * m68k/x-apollo68 (TAROUTOPTS): Delete.
16424 * m68k/x-hp320 (TAROUTOPTS): Delete.
16425 * m68k/x-hp320g (TAROUTOPTS): Delete.
16426 * gcc.texi: Update bug reporting text.
16428 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16430 * reg-stack.c (change_stack) Fixed problem with negative array index.
16432 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
16434 * extend.texi, install.texi: Fix spelling mistakes.
16436 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
16437 (s-attrtab); No longer try to use pre-made insn-attrtab file.
16438 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
16439 PREMADE_ATTRTAB_MD.
16440 * mips/t-ecoff: Likewise.
16441 * mips/t-elf: Likewise.
16442 * mips/t-mips: Likewise.
16443 * mips/t-osfrose: Likewise.
16444 * mips/t-r3900: Likewise.
16445 * mips/t-svr3: Likewise.
16446 * mips/t-svr4: Likewise.
16447 * mips/t-ultrix: Likewise.
16449 * gcc.texi: Document recommend means to provide software floating
16450 point libraries in libgcc.a
16452 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
16454 * c-lex.c (yylex): We can have a number with no digits.
16456 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
16458 * jump.c (delete_prior_computation): New function, broken
16459 out of delete_computation. Check for side effects with
16460 side_effects_p instead of FIND_REG_INC_NOTE. Handle
16461 multi-word hard registers.
16462 (delete_computation): Use it. Check for side effects with
16463 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
16464 missing REG_DEAD note for a register which is both set and
16467 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
16469 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
16470 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
16471 (ASM_FILE_START): Import _mcount with the right type.
16472 (ASM_DECLARE_FUNCTION_NAME): Define.
16473 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
16474 * pa.c (output_function_prologue): Always emit the function's label
16476 * pa.h (TEXT_SPACE_P): Define.
16477 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
16478 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
16479 * som.h (TEXT_SPACE_P): Delete.
16480 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
16481 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
16483 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
16485 * expr.c (emit_group_load): Allow src to be a CONCAT.
16487 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16489 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
16490 (___mulsi3): Use '!' comment character.
16492 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16494 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
16496 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
16498 * gcc.c: Update URLs and mail addresses.
16499 * gcc.texi: Likewise.
16501 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
16503 * rs6000.c (current_file_function_operand): Return zero for
16505 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
16507 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
16510 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
16512 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
16513 allocate space in the stack frame for the PIC register.
16515 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
16517 * m68k.md (xordi3, anddi3): These patterns are not available on
16520 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
16522 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
16523 (PUT_REAL): Likewise.
16525 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16527 * final.c (shorten_branches): Don't add an alignment for loops
16528 that have no label inside.
16530 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16532 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
16533 prototypes in macro HAVE_cmpstrsi.
16535 * cpplib.c (cpp_get_token): Remove unused label `op3'.
16537 * emit-rtl.c (operand_subword): Remove unused variable
16540 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
16542 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
16544 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
16546 * cpphash.c (macroexpand): Delete leading whitespace when arg
16547 is concatenated before.
16548 (unsafe_chars): Correct test for whether + and - can extend a
16551 * cppinit.c (cpp_start_read): Do dependencies for
16552 -include/-imacros files also.
16554 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
16555 tokenizing non-directive lines.
16556 (cpp_expand_to_buffer): Temporarily disable no-output mode.
16557 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
16560 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
16562 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
16564 * c-lex.c: Sync with C++ frontend.
16565 (linemode): New variable.
16566 (parse_float): imag, conversion_errno, and type are output only.
16567 (yylex): Adjust. Move initial '.' case into main switch.
16569 (handle_generic_pragma): Just deal with tokens.
16570 (readescape): Use ISXDIGIT and ISGRAPH.
16571 * c-parse.in: Add END_OF_LINE token.
16573 * c-lex.c (lang_init): Generalize.
16574 (nextchar): Remove. Replace uses with UNGETC.
16575 (skip_white_space): Handle linemode here. Optimize for cpplib.
16576 (skip_white_space_on_line): Remove.
16577 (extend_token_buffer_to): New fn.
16578 (extend_token_buffer): Use it.
16579 (read_line_number, check_newline): Just deal with tokens.
16580 (token_getch, token_put_back): New fns.
16581 (yylex): Use them. More cpplib optimizations. Simplify.
16583 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16584 Jason Merrill <jason@yorick.cygnus.com>
16586 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
16587 (consume_string): Make this smart about USE_CPPLIB.
16588 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
16589 (yylex): Rewrite to be intelligent about USE_CPPLIB.
16590 Also, clean up cases where we redundantly set token_buffer[0].
16591 (read_line_number): New fn.
16592 (ignore_escape_flag): New variable.
16594 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
16596 * a29k/t-a29kbare: Fix some comments.
16597 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
16598 (FPBIT, DPBIT): Define.
16599 * a29k/t-vx29k: Likewise.
16600 * arc/t-arc: Likewise.
16601 * arm/t-arm-elf: Likewise.
16602 * arm/t-bare: Likewise.
16603 * arm/t-pe: Likewise.
16604 * arm/t-pe-thumb: Likewise.
16605 * arm/t-semi: Likewise.
16606 * arm/t-thumb: Likewise.
16607 * arm/t-thumb-elf: Likewise.
16608 * arm/t-thumb-linux: Likewise.
16609 * h8300/t-h8300: Likewise.
16610 * i960/t-i960: Likewise.
16611 * i960/t-vxworks960: Likewise.
16612 * m32r/t-m32r: Likewise.
16613 * mips/t-ecoff: Likewise.
16614 * mips/t-elf: Likewise.
16615 * mips/t-r3900: Likewise.
16616 * pa/t-pro: Likewise.
16617 * rs6000/t-aix43: Likewise.
16618 * rs6000/t-beos: Likewise.
16619 * rs6000/t-newas: Likewise.
16620 * rs6000/t-ppccomm: Likewise.
16621 * rs6000/t-rs6000: Likewise.
16622 * rs6000/t-winnt: Likewise.
16623 * rs6000/t-xnewas: Likewise.
16624 * rs6000/t-xrs6000: Likewise.
16625 * sh/t-sh: Likewise.
16626 * sparc/t-elf: Likewise.
16627 * sparc/t-sparcbare: Likewise.
16628 * sparc/t-sparclite: Likewise.
16629 * sparc/t-splet: Likewise.
16630 * v850/t-v850: Likewise.
16631 * mn10200/t-mn10200: Fix comments.
16632 * mn10300/t-mn10300: Likewise.
16634 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
16635 dummy operand. Allocate a new pseudo for the dummy operand.
16636 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
16638 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
16640 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
16642 * configure: Rebuilt.
16643 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
16645 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
16647 * recog.c (preproces_constraints): Zero recog_op_alt before
16648 processing the constraints.
16650 * arm.c (typedef minipool_node): Renamed from pool_node.
16651 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
16652 (add_minipool_constant): New function.
16653 (dump_minipool): New function.
16654 (find_barrier): Remove special case for getting the insn size of
16655 an insn that references the constant pool.
16656 (minipool_fixup): New structure.
16657 (push_minipool_barrier): New function.
16658 (push_minipool_fix): New function.
16659 (note_invalid_constants): New function.
16660 (add_pool_constant, dump_table, fixit, broken_move): Delete.
16661 (arm_reorg): Rewrite code to fix up the constant pool into a
16662 series of mini-pools embedded in the insn stream.
16663 (arm_output_epilogue): New function, made mainly from the body
16664 of output_func_epilogue.
16665 (output_func_epilogue): Move insn generation part of epilogue code
16666 to arm_output_epilogue.
16667 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
16668 * arm.md (pool_range): New attribute.
16669 (zero_extendqidi2): Add attribute pool_range.
16670 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
16671 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
16672 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
16673 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
16674 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
16675 (epilogue): New expand.
16676 (epilogue_insn): New insn. Call arm_output_epilogue.
16678 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
16679 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
16681 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
16683 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
16685 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
16687 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
16689 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
16691 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
16693 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
16695 * global.c: Fix comment.
16697 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
16699 * gcc.c (access_check): New static function.
16700 (find_a_file): Use it when searching a directory list.
16701 * collect2.c (find_a_file): Don't accept directories found when
16702 searching a directory list.
16704 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
16706 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
16707 function parameters with `&'.
16708 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
16710 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
16712 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
16713 or tidy_fallthru_edge if the last insn in the block is not
16714 an unconditional jump or a simple conditional jump.
16716 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16718 * Makefile.in (c-decl.o): Depends on defaults.h.
16720 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
16722 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
16724 (CLASS_MAX_NREGS): Likewise.
16726 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
16728 * cse.c (cse_insn): Fix dumb thinko in last change.
16730 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16732 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
16735 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
16737 * dwarf2out.c (add_location_or_const_value_attribute): Correct
16738 test for sizes of passed and declared parameter types.
16740 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16742 * fixincludes: Fix the return type of bsearch, char* -> void*.
16744 * fixinc/inclhack.def: Likewise.
16746 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
16748 * invoke.texi (-fdump-translation-unit): New option.
16750 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
16752 * expr.h (PROMOTE_PROTOTYPES): Move ...
16753 * defaults.h: ... to here.
16754 * c-decl.c: Include defaults.h instead of expr.h.
16755 * c-typeck.c: Include defaults.h.
16757 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
16759 * toplev.h (errorcount): Declare.
16760 (warningcount): Likewise.
16761 (sorrycount): Likewise.
16762 * c-lex.c (errorcount): Don't declare.
16763 * dwarf2out.c (errorcount): Don't declare.
16765 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
16767 * config/libgloss.h: Add a note discouraging use with ELF.
16768 * configure.in: Don't use libgloss.h for ELF targets.
16769 Always use_collect2 on a.out targets.
16771 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
16773 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
16774 (force_to_mode, case ASHIFTRT): Add shiftrt label.
16776 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16778 * loop.c (strength_reduce): When doing biv->giv conversion, update
16779 reg note of NEXT->insn.
16781 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
16783 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
16785 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
16787 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
16788 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
16789 Ensure expr.h is included.
16790 * c-typecheck.c (convert_arguments): Ditto.
16792 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
16794 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
16795 * config/convex/convex.h: Ditto.
16796 * config/dsp16xx/dsp16xx.h: Ditto.
16797 * config/fx80/fx80.h: Ditto.
16798 * config/gmicro/gmicro.h: Ditto.
16799 * config/i370/i370.h: Ditto.
16800 * config/i386/i386.h: Ditto.
16801 * config/m32r/m32r.h: Ditto.
16802 * config/m68k/m68k.h: Ditto.
16803 * config/m88k/m88k.h: Ditto.
16804 * config/mips/mips.h: Ditto.
16805 * config/pa/pa.h: Ditto.
16806 * config/pyr/pyr.h: Ditto.
16807 * config/tahoe/tahoe.h: Ditto.
16808 * config/we32k/we32k.h: Ditto.
16810 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
16811 based on arch size.
16813 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
16815 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
16818 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
16820 1999-08-02 Richard Henderson <rth@cygnus.com>
16822 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
16823 for the register spill block.
16824 (m32r_va_arg): New.
16825 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
16826 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
16828 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
16829 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
16830 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
16832 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
16834 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
16835 MAX_WCHAR_TYPE defined in sparc.h.
16836 * config/sparc/linuxaout.h: Likewise.
16837 * config/sparc/linux64.h: Likewise.
16838 Also default to -mvis if CPU is UltraSPARC.
16840 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
16842 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
16843 (RTX_OK_FOR_OLO10): Likewise.
16844 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
16845 %lo(), allow it in addresses...
16846 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
16847 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
16848 does not make sense.
16849 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
16850 (sparc_output_scratch_registers): New function.
16851 (output_function_prologue, sparc_flat_output_function_prologue): Use
16853 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
16855 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
16856 * configure.in: Add check for .register pseudo-op support in as and
16857 check for offsetable %lo().
16858 * acconfig.h: Add templates for the above checks.
16859 * configure: Regenerate.
16861 1999-08-02 Richard Henderson <rth@cygnus.com>
16863 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
16864 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
16865 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
16867 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16869 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
16872 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
16874 * config/float-sparc.h: New file.
16875 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
16876 sparc-*-linux-gnu and sparc64-*-linux*.
16878 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16880 * rs6000.c (rs6000_va_list): Type is an array.
16881 (rs6000_va_start): Don't doubly adjust for varargs.
16882 (rs6000_va_arg): Evaluate long long GPR adjustment.
16884 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
16886 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
16887 -maix64 and -maix32.
16888 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
16889 LINK_SPEC): Change appropriately.
16890 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
16891 (u_short_cint_operand): Likewise.
16892 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
16894 * rs6000/t-aix43 (MULTILIB): Change to -m64.
16896 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
16898 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
16900 * rs6000/rs6000.c (num_insns_constant_wide): Correct
16901 for type promotion.
16902 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
16903 (non_add_cint_operand): Likewise.
16904 (logical_operand): Likewise.
16905 (non_logical_cint_operand): Likewise.
16906 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
16907 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
16908 (rs6000_select_rtx_section): Suppress warning.
16909 (small_data_operand): Suppress warning.
16910 (rs6000_got_register): Suppress warning.
16911 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
16912 type, so `J' is generally the wrong constraint for a SImode value;
16914 (andsi3_internal2): Likewise.
16915 (andsi3_internal3): Likewise.
16916 (iorsi3_internal1): Likewise.
16917 (xorsi3_internal1): Likewise.
16919 (movsf_softfloat): Likewise.
16920 (scc insns): Likewise.
16921 (movsi+2): Preserve sign bits of SImode constant.
16922 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
16923 (movdf+1): Sign-extend properly.
16924 (movdi_32+1): Sign-extend properly.
16925 (scc insns): Sign-extend properly.
16927 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
16930 1999-08-02 Richard Henderson <rth@cygnus.com>
16932 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
16933 -mcpu parsing code.
16934 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
16935 * alpha.md (all fp insns): Likewise.
16937 1999-08-02 Nick Clifton <nickc@cygnus.com>
16939 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
16942 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
16944 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
16945 pic_load_label generator directly.
16946 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
16947 No longer a named pattern.
16949 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
16951 * explow.c (force_reg): Call force_operand if X does not
16952 satisfy general_operand.
16954 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
16956 * fix-header.c (main): When testing for CONTINUED, use string
16957 equality, not pointer equality.
16959 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
16961 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
16963 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
16965 * cse.c (cse_insn): Fix loop which deletes insns after a jump
16966 that has become an unconditional jump.
16968 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
16969 (output_function_epilogue): Similarly.
16971 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16973 * tree.h (init_dummy_function_start): Declare.
16975 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16977 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
16978 last_expr_type, last_expr_value, block_start_count, block_stack,
16979 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
16980 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
16981 dynamically in stmt elt of struct function for each function.
16982 (struct nesting): Rename function_call_count elt to n_function_calls,
16983 target_temp_slot_level to block_target_temp_slot_level. All users
16985 (struct stmt_status): New structure definition.
16986 Add many accessor macros for stmt_status elements which previously
16987 were global variables.
16988 (init_stmt_for_function): Allocate stmt elt for current_function.
16989 Reflect that block_start_count was renamed to
16990 current_block_start_count.
16991 (save_stmt_status, restore_stmt_status): Delete functions.
16992 (preserve_subexpressions_p): Don't access loop_stack when outside
16994 (expand_start_bindings): Reflect that block_start_count was renamed to
16995 current_block_start_count.
16996 (expand_fixup): Likewise.
16997 (expand_decl): Don't access block_stack when outside a function.
16998 (expand_decl_cleanup): Likewise.
16999 (expand_dcc_cleanup): Likewise.
17000 (expand_dhc_cleanup): Likewise.
17001 (expand_anon_union_decl): Likewise.
17002 (set_file_and_line_for_stmt): New function.
17003 (in_control_zone_p): New function.
17005 * function.h (struct function): Add new elt stmt.
17006 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
17007 case_stack, nesting_stack, nesting_depth, block_start_count,
17008 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
17009 emit_lineno, goto_fixup_chain.
17010 (save_eh_status, restore_eh_status, save_stmt_status,
17011 restore_stmt_status): Delete declarations.
17012 * function.c (push_function_context_to): Don't call save_stmt_status.
17013 (pop_function_context_to): Don't call restore_stmt_status.
17014 * tree.h (in_control_zone_p): Declare.
17015 * rtl.h (set_file_and_line_for_stmt): Declare.
17017 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
17018 call set_file_and_line_for_stmt.
17020 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
17022 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
17023 Also update copyright.
17025 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17027 * c-pragma.c: Don't include "except.h".
17028 * emit-rtl.c: Likewise.
17029 * stor-layout.c: Likewise.
17030 * tree.c: Likewise.
17031 * varasm.c: Likewise.
17033 * flow.c: Include "function.h".
17034 * tree.h (init_dummy_function_start): Declare new function.
17036 * except.h (struct eh_status): New structure.
17037 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
17039 (eh_return_stub_label, ehstack, catchstack, ehqueue,
17040 catch_clauses, false_label_stack, caught_return_label_stack,
17041 protect_list, current_function_ehc): Add accessor macros for the
17042 corresponding fields in current_function->eh; delete declarations
17043 for all items that used to be declared here.
17044 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
17045 catch_clauses, false_label_stack, caught_return_label_stack,
17046 protect_list, current_function_ehc): Delete variables.
17047 (init_eh_for_function): Allocate current_function->eh.
17048 (save_eh_status, restore_eh_status): Delete functions.
17050 * function.h (struct function): Add fields next_global and eh.
17051 Delete all exception handling related fields.
17052 * function.c (current_function): New variable.
17053 (all_functions): New variable.
17054 (push_function_context_to): Don't allocate a struct function,
17055 use current_function instead. Call init_dummy_function_start when
17056 outside a function. Clear current_function before returning.
17057 (pop_function_context_from): Restore current_function.
17058 Don't free the restored struct function.
17059 (prepare_function_start): New function.
17060 (init_dummy_function_start): New function.
17061 (init_function_start): Break out some code into prepare_function_start
17064 * stmt.c (save_stmt_status): Don't call save_eh_status.
17065 (restore_stmt_status): Don't call restore_eh_status.
17067 * Makefile.in: Update dependencies.
17069 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
17071 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
17072 of depending on a magic constant value. Update comments.
17073 (hppa_expand_prologue): Similarly.
17075 * pa.md (reload_indi, reload_outdi): Allow any register for the
17076 original reload register.
17078 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
17080 * cccp.c (print_help): Change marcos to macros.
17082 1999-07-30 Richard Henderson <rth@cygnus.com>
17084 * c-typeck.c (initializer_constant_valid_p): Move ...
17085 * c-common.c (initializer_constant_valid_p): ... here. Use
17086 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
17087 of label addresses.
17088 * c-common.h (initializer_constant_valid_p): Declare.
17089 * c-tree.h (initializer_constant_valid_p): Remove.
17091 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
17093 * config/i386/sol2-c1.asm: Align the stack.
17094 * config/i386/sol2-gc1.asm: Likewise.
17096 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
17098 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
17099 -Asparclite for sparc86x.
17100 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
17102 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
17104 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
17106 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
17107 the user if using the non-default arch size in BI_ARCH configuration.
17108 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
17110 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
17111 Fix patterns so that they actually match.
17112 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
17113 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
17114 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
17116 (mulsidi3): Reflect this in the expand.
17117 (smulsi3_highpart): Only on TARGET_ARCH32.
17118 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
17119 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
17120 (umulsidi3): Reflect this in the expand.
17121 (umulsi3_highpart): Only on TARGET_ARCH32.
17122 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
17123 don't require g0 to be zero.
17124 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
17125 ({,u}divsi3): New expands.
17126 ({,u}divsi3_sp64): New patterns.
17127 (after lshrdi3_v8plus): Four new patterns to help combiner
17128 optimizing nested mixed mode shifts.
17130 * config/sparc/sparc.c (sparc_override_options): Use deprecated
17131 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
17132 speed things up. Don't use them by default on plain v9 in 64bit
17133 mode, according to what SPAMv9 sais.
17135 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
17136 top 32 bits of %[og][0-7] in signal handlers.
17137 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
17139 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
17141 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
17142 (ashlsi3): Corresponding changes.
17144 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
17146 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
17148 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
17150 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17152 * arm.h (Hint): Delete macro.
17153 Substitute HOST_WIDE_INT for Hint in some prototypes.
17154 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
17156 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
17158 * builtins.c (expand_builtin_setjmp): Use force_operand to
17159 make sure that the buffer address is in a suitable form to be
17160 passed to force_reg.
17162 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
17164 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
17167 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
17169 * pa.md (indirect_jump): Remove mode from match_operand. Verify
17170 proper mode in the condition string.
17171 (icacheflush, dcacheflush): Remove modes from match_operands.
17173 * pa.c (emit_move_sequence): Always convert scratch_reg to the
17174 proper mode before using it.
17176 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
17179 * pa.c (store_reg): Do not call add_high_const generator directly.
17180 (load_reg, set_reg_plus_d): Likewise.
17181 * pa.md (add_high_const): No longer a named pattern.
17183 * pa.c (legitimize_address): Consistently use Pmode rather than
17184 SImode. Do not call gen_pic2_highpart directly anymore.
17185 * pa.md (pic2_highpart): No longer a named pattern.
17186 (pic2_lo_sum): Similarly. Reformat to make more readable.
17188 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
17193 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17195 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
17197 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
17199 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
17200 and tag the spill mems.
17201 (hppa_va_start): New.
17202 (hppa_va_arg): New.
17203 * pa.h (EXPAND_BUILTIN_VA_START): New.
17204 (EXPAND_BUILTIN_VA_ARG): New.
17206 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
17208 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
17209 and tag the spill mems.
17210 (mn10300_va_start): New.
17211 (mn10300_va_arg): New.
17212 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
17213 (EXPAND_BUILTIN_VA_ARG): New.
17215 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
17217 * mn10200.c (mn10200_va_arg): New.
17218 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
17220 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
17222 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
17223 rather than play with TREE_INT_CST_LOW.
17225 1999-07-27 Philip Blundell <pb@nexus.co.uk>
17227 * config/arm/telf.h: Include dbxelf.h.
17228 (CPP_PREDEFINES): Only define if not already defined.
17229 (ASM_IDENTIFY_GCC): Likewise.
17230 (SUBTARGET_EXTRA_SECTIONS): Likewise.
17231 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
17232 * config/arm/thumb.h (LINK_SPEC): Only define if not already
17234 (DBX_DEBUGGING_INFO): Don't define.
17235 * config/arm/linux-telf.h: New file.
17236 * config/arm/linux-tgas.h: New file.
17237 * config/arm/t-thumb-linux: New file.
17238 * config/arm/uclinux-elf.h: New file.
17239 * config/arm/uclinux-telf.h: New file.
17240 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
17241 thumb-*-uclinux): New targets.
17242 * configure: Regenerate.
17244 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
17246 * pa.md (post_store, pre_load): New expanders.
17247 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
17248 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
17249 need to directly generate RTL for them.
17250 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
17253 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
17255 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
17256 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
17257 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
17258 (secndary_reload_class): Make TARGET_ELF conditional compile.
17259 (print_operand_address): Similar.
17260 (output_toc): Print all values as hex.
17261 (get_issue_rate): Rearrange and add RS64A and PPC630.
17262 * rs6000.h (processor_type): Add RS64A and PPC630.
17263 (PROCESSOR_POWERPC64): New.
17264 (PROMOTE_MODE): Use word_mode.
17265 (RTX_COSTS): Add RS64A and PPC630.
17266 * rs6000.md (scheduling information): Add lmul and ldiv
17267 representing 64-bit integer multiply and divide. Add rs64a and
17268 PPC630 information.
17269 (ashldi3): Add support for "rldic" instruction.
17270 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
17272 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
17274 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
17275 instead of V8 for sparclite86x in cpu_table.
17277 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17279 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
17280 output_file_directive.
17282 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
17284 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
17285 tree for op1, not the rtl.
17287 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
17289 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
17290 to m88k_va_start, leaving only the register spill.
17291 (m88k_build_va_list): New.
17292 (m88k_va_start): New.
17293 (m88k_va_arg): New.
17294 * m88k.h (BUILD_VA_LIST_TYPE): New.
17295 (EXPAND_BUILTIN_VA_START): New.
17296 (EXPAND_BUILTIN_VA_ARG): New.
17298 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
17300 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
17301 Rename from expand_builtin_saveregs.
17302 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
17304 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
17306 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
17307 for the register spill block.
17308 (i960_build_va_list): New.
17309 (i960_va_start): New.
17310 (i960_va_arg): New.
17311 * i960.h (BUILD_VA_LIST_TYPE): New.
17312 (EXPAND_BUILTIN_VA_START): New.
17313 (EXPAND_BUILTIN_VA_ARG): New.
17314 * i960.md (store_multiple): Use change_address on individul mems.
17316 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
17318 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
17320 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
17321 (expand_builtin_va_end): Evaluate arg for side effects.
17322 * c-common.c (c_common_nodes_and_builtins): Construct a
17323 va_list_arg_type_node to handle array decomposition to pointer.
17325 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
17327 * except.c (start_dynamic_cleanup): Use force_operand on the
17330 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
17332 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
17333 * c4x.c (c4x_va_arg): New.
17335 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
17337 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
17338 has manual_pop set.
17340 1999-07-26 Nathan Sidwell <nathan@acm.org>
17342 * eh-common.h (__eh_matcher): Prototype correctly.
17344 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
17346 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
17347 (TARGET_SINGLE_PIC_BASE): Likewise.
17348 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
17350 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
17351 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
17352 (TARGET_OPTIONS): Add -mpic-register=N.
17353 (OUTPUT_INT_ADDR_CONST): New macro.
17354 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
17355 LEGITIMATE_PIC_OPERAND_P): Likewise.
17356 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
17357 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
17358 output_addr_const directly.
17359 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
17361 (thumb_pic_register, thumb_pic_register_string): Declare.
17363 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
17365 (label_mentioned_p): New function: Imported from arm.c.
17366 (legitimize_pic_address): New function: Imported from arm.c.
17367 (is_pic):New function: Imported from arm.c.
17368 (thumb_finalize_pic):New function: Imported from arm.c.
17369 (add_constant): Cope with PIC constants.
17370 (fixit): Cope with PIC constants.
17371 (output_return): Do not treat the PIC register as live if
17372 TARGET_SINGLE_PIC_BASE is true.
17373 (thumb_function_prologue): Do not treat the PIC register as live if
17374 TARGET_SINGLE_PIC_BASE is true.
17375 (thumb_expand_prologue): Do not treat the PIC register as live if
17376 TARGET_SINGLE_PIC_BASE is true.
17377 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
17378 TARGET_SINGLE_PIC_BASE is true.
17379 (thumb_print_operand): Accept '|'.
17380 (thumb_override_options): Process PIC options.
17382 * config/arm/thumb.md (movsi): Support PIC.
17383 (call_insn): Change "i" constraint to "X".
17384 (call_value_insn): Likewise.
17385 (consttable_4, consttable_8, consttable_end): Set and clear
17386 "making_const_table" as appropriate.
17387 (pic_load_addr, pic_add_dot_plus_four): New insns.
17389 * invoke.texi (Thumb Options): Fix spelling. Document new
17390 options -msingle-pic-base and -mpic-register=.
17392 1999-07-26 Andrew Haley <aph@cygnus.com>
17394 * config/m32r/initfini.c (__init): Use a full word immediate for
17395 __fini: this allows it to be placed in any memory region.
17397 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
17398 -mmodel=medium. This is OK for all memory models.
17400 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
17402 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
17403 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
17405 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
17407 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
17410 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
17412 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
17414 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
17415 (BUILD_VA_LIST_TYPE): New.
17416 (EXPAND_BUILTIN_VA_START): New.
17417 (EXPAND_BUILTIN_VA_ARG): New.
17418 * i860.c (output_delayed_branch): Disable.
17419 (output_delay_insn): Likewise.
17420 (i860_saveregs): New.
17421 (i860_build_va_list): New.
17422 (i860_va_start): New.
17423 (i860_va_arg): New.
17424 * i860.md: Disable all peepholes using output_delayed_branch.
17425 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
17427 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
17429 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
17430 (BUILD_VA_LIST_TYPE): New.
17431 (EXPAND_BUILTIN_VA_START): New.
17432 (EXPAND_BUILTIN_VA_ARG): New.
17433 * clipper.c (clipper_builtin_saveregs): Only dump registers.
17434 Return the address of the save area.
17435 (clipper_build_va_list): New.
17436 (clipper_va_start): New.
17437 (clipper_va_arg): New.
17439 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
17441 * arc.h (EXPAND_BUILTIN_VA_START): New.
17442 (EXPAND_BUILTIN_VA_ARG): New.
17443 * arc.c (arc_setup_incoming_varargs): Set alias set of
17445 (arc_va_start): New.
17448 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
17450 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
17451 (BUILD_VA_LIST_TYPE): New.
17452 (EXPAND_BUILTIN_VA_START): New.
17453 (EXPAND_BUILTIN_VA_ARG): New.
17454 * alpha.c (alpha_builtin_saveregs): Delete.
17455 (alpha_build_va_list): New.
17456 (alpha_va_start): New.
17457 (alpha_va_arg): New.
17459 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
17461 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
17463 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
17464 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
17466 * gcc.texi: More changes related to list conversion.
17467 * invoke.texi: Likewise.
17469 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
17471 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
17472 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
17473 (expand_builtin_next_arg): Accept ARGLIST not EXP.
17474 (stabilize_va_list): New function.
17475 (std_expand_builtin_va_start): New function.
17476 (expand_builtin_va_start): New function.
17477 (get_varargs_alias_set): New function.
17478 (std_expand_builtin_va_arg): New function.
17479 (expand_builtin_va_arg): New function.
17480 (expand_builtin_va_end): New function.
17481 (expand_builtin_va_copy): New function.
17482 (expand_builtin): Call them.
17483 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
17484 __builtin_{varargs_start,stdarg_start,end,copy}.
17485 (build_va_arg): New function.
17486 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
17487 (build_va_arg): Declare.
17488 * c-decl.c (ptr_type_node, va_list_type_node): New.
17489 * c-parse.gperf (__builtin_va_arg): New.
17490 * c-parse.in (VA_ARG): New token.
17491 (unary_expr): Recognize it.
17492 * expr.c (expand_expr): Expand VA_ARG_EXPR.
17493 * expr.h (std_expand_builtin_va_start): Declare.
17494 (std_expand_builtin_va_arg): Declare.
17495 (expand_builtin_va_arg): Declare.
17496 (get_varargs_alias_set): Declare.
17497 * tree.def (VA_ARG_EXPR): New.
17498 * tree.h (BUILT_IN_VARARGS_START): New.
17499 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
17500 (ptr_type_node, va_list_type_node): Declare.
17501 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
17502 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
17503 * m88k.h, m88k.c: Likewise.
17504 * mn10300.h, mn10300.c: Likewise.
17505 * pa.h, pa.c: Likewise.
17506 * rs6000.h, rs6000.c: Likewise.
17507 * sh.h, sh.c: Likewise.
17508 * sparc.h, sparc.c: Likewise.
17510 * emit-rtl.c (operand_subword): Copy alias set.
17511 (change_address): Likewise.
17513 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
17515 * pa.c (compute_frame_size): Scan all the used callee saved registers,
17516 not just the first one.
17518 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
17520 * config/arm/arm.h (TARGET_SWITCHES): Add
17521 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
17522 (TARGET_OPTIONS): Add -mpic-register=.
17523 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
17524 (arm_pic_register_string): Declare.
17525 (NEED_PLT_GOT): Delete, replace with ...
17526 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
17527 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
17528 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
17529 * config/arm/arm.c (arm_override_options): Add new option
17531 (arm_pic_register_string): New variable.
17532 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
17533 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
17534 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
17535 (output_return_instruction): Likewise.
17536 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
17537 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
17538 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
17540 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
17541 mention of -msched-prolog. Document new options -msingle-pic-base
17542 and -mpic-register=.
17544 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
17546 * haifa-sched.c (reemit_notes): Tidy.
17547 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
17550 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
17552 * explow.c (trunc_int_for_mode): New function.
17553 (plus_constant_wide): Use it.
17554 * combine.c (simplify_and_const_int): Likewise.
17555 (merge_outer_ops): Likewise.
17556 (simplify_shift_const): Likewise.
17557 * cse.c (simplify_unary_operation): Likewise.
17558 (simplify_binary_operation): Likewise.
17559 * emit-rtl.c (operand_subword): Likewise.
17560 * rtl.h: Declare it.
17562 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17564 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
17565 (use NUM_REGS instead of NUM_INTS).
17567 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17569 * builtins.c: New file.
17570 * expr.c (saveregs_value, apply_args_value): Delete definition,
17571 moved into builtins.c.
17572 (string_constant): No longer static.
17573 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
17574 apply_args_size, apply_result_size, result_vector,
17575 expand_builtin_apply_args, expand_builtin_apply,
17576 expand_builtin_return): Delete functions, moved into builtins.c.
17577 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
17578 * expr.h (saveregs_value, apply_args_value): Declare variables.
17579 (expand_builtin, string_constant): Declare functions.
17580 * Makefile.in: Update to build builtin.o.
17582 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
17584 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
17585 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
17586 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
17587 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
17589 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
17592 1999-07-21 Michael Meissner <meissner@cygnus.com>
17594 * print-rtl.c (print_rtx): Print the names of the virtual
17597 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
17599 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
17600 introduced in previous delta.
17602 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17604 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
17605 to avoid name clash.
17607 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
17609 * c-lex.c (yylex) : Correct the test for overflow when lexing
17612 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
17614 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
17615 (adjust_priority): Always call ADJUST_PRIORITY.
17616 (schedule_insn): Only put insns into the ready at cost 0.
17617 (schedule_block): Remove redundant initial sort. Give clock_var
17618 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
17620 * tm.texi (MD_SCHED_REORDER): Update docs.
17622 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
17623 * sparc.c (ultra_reorder_called_this_block): Delete.
17624 (ultrasparc_sched_init): Don't set it.
17625 (ultrasparc_sched_reorder): Don't check it.
17627 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
17629 * rs6000.h (struct rs6000_args): Add sysv_gregno.
17630 * rs6000.c (init_cumulative_args): Init sysv_gregno.
17631 (function_arg_boundary): Align DFmode.
17632 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
17633 to get fp reg and stack overflow correct.
17634 (function_arg): Likewise.
17635 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
17636 (setup_incoming_varargs): Restructure for ABI_V4; use
17637 function_arg_advance to skip final named argument.
17638 (expand_builtin_saveregs): Properly unskip the last integer arg
17639 when doing varargs. Adjust overflow location calculation.
17641 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
17642 explicitly unsigned.
17643 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
17644 (__VA_GP_REGSAVE): Similarly.
17645 (__va_longlong_p): Delete.
17646 (__va_arg_type_violation): New declaration.
17647 (va_arg): Restructure. Flag promotion errors. Align double.
17648 TFmode passed by reference.
17650 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
17651 in the HOST_BITS_PER_WIDE_INT > 32 case.
17653 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
17655 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
17657 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
17659 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
17660 * toplev.c (documented_lang_options): Add -fpreprocessed.
17661 * cpplib.h (struct cpp_buffer): Add preprocessed.
17662 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
17663 (cpp_start_read): Don't expand macros or emit an initial #line
17664 directive if -fpreprocessed.
17666 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
17668 * cpplib.h (struct cpp_buffer): Added manual_pop for
17669 better C++ tokenization.
17670 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
17671 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
17672 * c-common.c (cpp_token): Make non-static.
17674 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17676 * c-common.h: New file.
17677 * c-common.c (permanent_obstack): Delete unused declaration.
17678 (c_global_trees): New array.
17679 (c_common_nodes_and_builtins): New function; split off common code
17680 from init_decl_processing in both c-decl.c and cp/decl.c.
17681 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
17682 c_global_trees and accessor macros defined in c-common.h.
17683 Include c-common.h.
17684 * c-decl.c: Delete definitions for tree nodes that were replaced by
17686 (init_decl_processing): Build void_list_node.
17687 Call c_common_nodes_and_builtins; delete code to generate the common
17689 * objc/objc-act.c (build_module_descriptor): Rename variable
17690 void_list_node to avoid clash with c-common.h.
17692 * Makefile.in: Update dependencies.
17693 * objc/Make-lang.in: Likewise.
17695 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
17697 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
17698 (UNIQUE_SECTION_P): Likewise.
17699 (UNIQUE_SECTION): Likewise.
17701 1999-07-19 Linas Vepstas <linas@linas.org>
17703 * config/i370/README: New file.
17704 * config/i370/linux.h: New file.
17705 * config/i370/mvs.h: New file.
17706 * config/i370/oe.h: New file.
17707 * config/i370/t-linux: New file.
17708 * config/i370/t-mvs: New file.
17709 * config/i370/t-oe: New file.
17710 * config/i370/x-oe: New file.
17711 * config/i370/xm-linux.h: New file.
17712 * config/i370/xm-mvs.h: New file.
17713 * config/i370/xm-oe.h: New file.
17715 * i370.c (label_node_t): Add first_ref_page, label_addr,
17716 label_first_ref, label_last_ref members.
17717 (mvs_need_base_reload): Renamed from mvs_label_emitted.
17718 (MAX_MVS_LABEL_SIZE): Define.
17719 (MAX_LONG_LABEL_SIZE): Define.
17720 (alias_node_t, alias_anchor, alias_number): New.
17721 (mvs_function_table): Reorder for EBCDIC.
17722 (ascebc, ebcasc): Unconditionally define.
17723 (i370_branch_dest, i370_branch_length): New functions.
17724 (i370_short_branch, i370_label_scan): New functions.
17725 (mvs_get_label): Renamed from mvs_add_label. Search for
17726 an existing label before creating a new one.
17727 (mvs_add_label): New function.
17728 (mvs_get_label_page): New function.
17729 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
17730 over the entire list.
17731 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
17732 (mvs_check_page) [TARGET_ELF_ABI]: New function.
17733 (mvs_add_alias, mvs_need_alias): New functions.
17734 (mvs_get_alias, mvs_check_alias): New functions.
17735 (handle_pragma): New function.
17736 (mvs_function_check): New function.
17737 (unsigned_jump_follows_p): Search harder.
17738 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
17739 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
17740 * i370.h (TARGET_VERSION): Delete.
17741 (CPP_SPEC, CPP_PREDEFINES): Delete.
17742 (mvs_label_emitted): Delete.
17743 (TARGET_EBCDIC): Delete.
17744 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
17745 (HANDLE_PRAGMA): Define.
17746 (HARD_REGNO_NREGS): Handle complex modes.
17747 (HARD_REGNO_MODE_OK): Likewise.
17748 (CLASS_MAX_NREGS): Likewise.
17749 (RET_REG): Likewise.
17750 (EXTRA_CONSTRAINT): Define.
17751 (RETURN_IN_MEMORY): True for DImode.
17752 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
17753 (FUNCTION_PROFILER): Delete.
17754 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
17755 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
17756 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
17757 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
17758 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
17759 (ASM_FILE_START): Add "RMODE ANY".
17760 (ASM_OUTPUT_EXTERNAL): Check for aliases.
17761 (ASM_GLOBALIZE_LABEL): Likewise.
17762 (ASM_OUTPUT_LABELREF): Likewise.
17763 (ASM_OUTPUT_COMMON): Likewise.
17764 (PRINT_OPERAND): Handle 'K', 'W', default.
17765 (PRINT_OPERAND_ADDRESS): New.
17766 (Lots of defines): Add support for TARGET_ELF_ABI.
17767 * i370.md (attr length): New. Define for all patterns.
17768 (*): Lots of tweeks to assembly output and constraints.
17770 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
17772 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
17773 Disable patterns performing SImode comparisons with SImode values
17774 if TARGET_POWERPC64 and instruction does not sign-extend or does
17775 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
17776 differ for signed quantities.
17777 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
17778 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
17779 (decrement_and_branch_on_count): Add 64-bit variant.
17781 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17783 * final.c (output_asm_insn): When searching for the matching string
17784 for a given dialect, don't run past the end of the list of
17785 alternatives if there are fewer alternatives in the template than
17788 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
17790 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
17791 Removed paragraph about compression of files and size limitation,
17792 duplicated in the FAQ. Use gcc-patches for posting patches.
17793 * gcc.c (main): Updated URL with bug reporting instructions to
17794 gcc.gnu.org. Removed e-mail address.
17795 * system.h (abort): Likewise.
17797 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17799 * Makefile.in (stmp-multilib-sub): Make the files extracted
17800 from $(LIBGCC1) writable.
17802 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
17804 * config/arm/aout.h: Reformat for improved readability.
17806 * config/arm/arm.h: Reformat for improved readability.
17807 Replace uses of fprintf with asm_fprintf where appropriate.
17808 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
17809 function declaration assembler actions.
17810 (NUM_INTS): New macro: Convert from bytes to words.
17811 (NUM_REGS): New macro: Compute number of registers required to
17812 hold a quanitity of tyep MODE.
17813 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
17815 (NUM_ARG_REGS): New macro: The number of argument registers
17817 (ARG_REGISTER): New macro: Compute the register number of the Nth
17819 (LAST_ARG_REGNUM): New macro: The number of the last argument
17821 (SP_REGNUM): New macro: Register number of the stack pointer.
17822 (FP_REGNUM): New macro: Register number of the frame pointer.
17823 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
17824 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
17825 CUMULATIVE_ARGS so that it counts registers not bytes.
17827 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
17829 Replace uses of fprintf with asm_fprintf where appropriate.
17830 (output_ascii_pseudo_op): Replace with version from thumb.c
17832 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
17834 * config/arm/elf.h (CPP_PREDEFINES): Replace with
17835 SUBTARGET_CPP_SPEC.
17836 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
17837 (ASM_FILE_START): Emit ASM_APP_OFF.
17839 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
17841 * pa.c (compute_frame_size): Round frame according to
17842 STACK_BOUNDARY rather than a hardwired value.
17844 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
17846 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
17848 * configure: Rebuilt.
17850 * configure.in (hppa*-*-linux*): New configuration.
17851 * configure: Rebuilt.
17852 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
17853 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
17854 * pa/pa-linux.h: New file.
17855 * pa/t-linux: New file.
17856 * pa/xm-linux.h: New file.
17858 * pa.c (hppa_legitimize_address): Change references from SImode to
17859 either Pmode or word_mode as appropriate.
17860 (emit_move_sequence, store_reg, load_reg): Likewise.
17861 (set_reg_plus_d, hppa_expand_prologue): Likewise.
17862 (output_mul_insn): Likewise.
17863 * pa.h (PROMOTE_MODE): Likewise.
17864 (INITIALZE_TRAMPOLINE): Likewise.
17865 (Pmode): Define to word_mode.
17867 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
17868 value of 4. Allocate 8 bytes for each FP register save.
17869 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
17871 (hppa_expand_prologue): Likewise.
17872 * pa.h (PROMOTE_MODE): Likewise.
17873 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
17874 (FUNCTION_ARG_BOUNDARY): Likewise.
17876 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
17878 * pa.c (out_of_line_prologue_epilogue): Delete.
17879 (override_options): Remove -mspace related code.
17880 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
17881 (compute_frame_size): Only allocate space for register that
17882 actually need to be saved.
17883 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
17884 (TARGET_SWITCHES): Remove -mspace, -mno-space
17885 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
17886 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
17887 * pa/ee.asm, pa/ee_fp.asm: Delete.
17889 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
17891 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
17892 directive in column zero.
17894 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
17896 * m68k.c (output_function_prologue): Fix computation of save mask
17897 when generating PIC code.
17899 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
17901 * tree.c (build_type_attribute_variant): Move current_obstack restore
17902 after build_qualified_type call.
17904 1999-07-15 Mark Mitchell <mark@codesourcery.com>
17906 * configure.in: Use t-iris6, even with GNU LD.
17907 * config/mips/iris6gld.h: Fix typo in linker spec.
17908 * config/mips/t-iris6gld: Remove.
17910 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
17912 * rs6000.md (insv, extzv): Remove SImode dependence in named
17913 patterns. Explicitly generate DImode RTL if PowerPC64 and
17915 (insvdi): Reverse start and size in instruction template.
17917 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
17919 * invoke.texi: Typo fixes.
17921 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
17923 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
17924 handle at this time instead of silently generating incorrect code.
17925 (gen_imagpart): Likewise.
17927 * reload.c (find_reloads): Emit a USE for a pseudo register without
17928 a hard register if we could not create an optional reload for the
17931 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17933 * c-typeck.c (output_init_element, process_init_element):
17934 When advancing constructor_unfilled_fields for a RECORD_TYPE,
17935 check for nameless bit fields.
17937 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
17939 * regclass.c (scan_one_insn): Notice subregs that change the
17940 size of their operand.
17941 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
17943 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
17945 * configure.in (alpha*-*-*): Include alpha/t-ieee.
17946 * configure: Rebuilt.
17947 * alpha/t-ieee: New file.
17949 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
17951 * rs6000.c (find_addr_reg): Do not select r0 as an address
17954 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
17956 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
17958 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
17960 * rs6000.md (movsf): Do not force easy FP constants into memory.
17962 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
17963 immed_double_const to ensure they are properly truncated then
17966 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
17968 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
17969 always unless NO_DEBUG is used. Compile this code
17971 (replace_symbols_in_block): Compile it unconditionally.
17973 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
17975 * configure.in (i?86-*-elf*): New target.
17976 * configure: Rebuilt.
17977 * i386/i386elf.h, i386/t-i386elf: New files.
17979 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
17981 * toplev.c (main): Don't complain about saying -gdwarf.
17982 (rest_of_compilation): Remove redundant code.
17984 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
17986 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
17988 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
17990 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
17991 "Li960R:", to avoid name clash.
17993 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17995 * loop.c (check_dbra_loop): When reversing a loop, delete all
17996 REG_EQUAL notes referencing the reversed biv except those which are
17997 for a giv based on it.
17999 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
18001 * version.c: Drop "gcc-" prefix from version #.
18003 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
18005 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
18006 the label if we're being verbose.
18008 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
18010 * m68k.c (output_function_prologue): Add pic register to mask
18011 if live and flag_pic.
18012 (output_function_epilogue): Likewise.
18014 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
18016 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
18017 directives in column zero.
18019 * pa/elf.h (ASM_FILE_START): Define.
18020 * pa/som.h (ASM_FILE_START): Include .level directives.
18021 * pa/hpux10.h (ASM_FILE_START): Delete.
18022 * pa/hpux11.h (ASM_FILE_START): Delete.
18024 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
18026 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18028 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
18029 when reload_out equals reload_in.
18031 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
18033 * invoke.texi (Spec Files): New node: Describe the contents of
18036 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
18038 * invoke.texi (DEC Alpha Options): Put @end table at
18039 beginning of line, to avoid confusing texi2html.
18041 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
18043 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
18044 introduced in previous delta.
18046 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18048 * reload1.c (gen_reload): When synthesizing a 3 operand add
18049 sequence, improve test for when to reload OP1 into the reload
18050 register instead of OP0.
18052 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
18054 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
18056 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
18058 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
18061 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
18063 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
18064 (va_dcl): Use __builtin_va_alist_t.
18066 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
18068 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
18069 on the permanent_obstack.
18070 * dwarfout.c (output_type): Likewise.
18072 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
18074 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
18075 Merged from c-typeck.c and cp/typeck.c.
18076 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
18077 Merged into c-common.
18079 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
18081 * c-lex.c (errorcount): Declare it.
18082 (finish_parse): Update errorcount when using CPPLIB.
18084 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
18086 * fixinc/inclhack.def(end_else_label): Double the backslash so
18087 sed gets a chance to see it.
18088 * fixinc/inclhack.sh: regen
18089 * fixinc/fixincl.x: regen
18091 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
18093 Add framework to support armv5 architecture when it becomes
18096 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
18097 (arm_arch5): New variable.
18098 (all_architectures): Add armv5 line.
18099 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
18100 -march=armv5 is specified on the command line.
18101 (arm_arch5): Export this variable.
18102 * invoke.texi: Document new string accepted by -march= switch for
18105 * config/arm/arm.h: Replace use of constant 12 as a register
18106 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
18107 * config/arm/arm.c: Replace use of constant 12 as a register
18108 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
18110 * config/arm/elf.h: Tidy up.
18111 * config/arm/coff.h: Tidy up.
18113 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
18115 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
18116 * gcc/config/mips/t-iris6gld: New file.
18117 * gcc/config/mips/iris6gld.h: Likewise.
18119 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
18121 * c-decl.c (widest_integer_literal_type_node,
18122 widest_unsigned_literal_type) : New.
18123 (init_decl_processing): Handle/use the two new types.
18124 * c-common.c (type_for_size,type_for_mode) : Same.
18125 * c-lex.c (yylex) : Same.
18126 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
18128 * c-tree.h (widest_integer_literal_type_node,
18129 widest_unsigned_literal_type) : New.
18131 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
18133 * dwarfout.c (field_byte_offset): Correctly compute the object's
18134 byte offset for the first bit of a field which crosses an alignment
18135 boundary on a !BYTES_BIG_ENDIAN target.
18137 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
18139 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
18142 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
18143 Jeff Law <law@cygnus.com>
18145 * ginclude/varargs.h (va_dcl): Use word_mode for type of
18148 * except.c: Include intl.h.
18149 (expand_eh_return): Set current_function_cannot_inline.
18150 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
18151 * function.h (struct function): Add eh_return_stub_label.
18152 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
18153 * Makefile.in (except.o): Depend on intl.h.
18155 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
18157 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
18158 same as offsettable in cases 1 and 2.
18160 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
18162 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
18163 (extlh, extwh): Likewise.
18165 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
18167 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
18169 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
18171 * configure.in: Add arm-pe and thumb-pe targets.
18172 * configure: Regenerate.
18174 * thumb.c (arm_naked_function_p): New function: Determines if
18175 a function is naked (has no gcc generated prologue/epilogue).
18176 (is_called_in_ARM_mode): Return true if the func has the
18177 interfacearm attribute.
18178 (output_return): Do not generate a return for naked functions.
18179 (thumb_function_prologue): Do not generate a prologue for
18181 (thumb_expand_prologue): Do not generate a prologue for naked
18183 (thumb_expand_epilogue): Do not generate an epilogue for naked
18185 (arm_valid_machine_decl_attribute): New function, copied from
18186 arm.c: Permit naked and interfacearm attributes.
18188 * config/arm/pe.c: New file: Support code for arm-pe target.
18189 * config/arm/pe.h: New file: Header file for arm-pe target.
18190 * config/arm/tpe.h: New file: Header file for thumb-pe target.
18191 * config/arm/t-thumb-pe: New file: Makefile fragment for
18194 1999-07-01 Mark Kettenis <kettenis@gnu.org>
18196 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
18197 -fPIC or -fpic is specified.
18199 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
18201 * expr.c (emit_block_move): Use copy_to_mode_reg for
18202 !TARGET_MEM_FUNCTIONS case too.
18204 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
18206 * configure: Rebuilt.
18207 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
18208 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
18209 definitions made redundant by dbxelf.h inclusion. Delete
18210 lots of definitions related to assembly output that are
18211 specific to the SOM object format.
18212 * pa.c (output_function_prologue): Do not emit the function's
18214 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
18215 * pa-pro.h: Deleted.
18216 * som.h: New file with SOM specific definitions.
18217 * elf.h: New file with ELF specific definitions.
18219 * elfos.h (const_section): Output a tab before assembler directives.
18220 (ctors_section, dtors_section): Likewise.
18221 (ASM_OUTPUT_SECTION_NAME): Likewise.
18223 * pa/pa1.h: Delete unused file.
18225 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
18227 * configure.in (hppa*-hp-hpux11*): New configuration.
18228 * configure: Rebuilt.
18229 * pa/pa-hpux11.h: New file.
18230 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
18233 * mips.md (leasi, leadi): New patterns.
18235 * expr.c (emit_block_move): Properly handle case where one of the
18236 block move arguments has a queued increment or decrement.
18237 (clear_storage): Similarly. Fix formatting goof.
18239 1999-06-28 "David O'Brien" <obrien@NUXI.com>
18241 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
18242 semicolon from the BSD VA_LIST replacement expression.
18244 * fixinc/inclhack.sh: regen
18245 * fixinc/fixincl.x: regen
18247 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
18248 now use the fixincl program.
18250 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
18252 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
18253 case. Also make the PIC register call_used.
18255 * m68k.h (FINALIZE_PIC): Delete.
18256 * m68k.c (finalize_pic): Delete.
18258 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
18260 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
18263 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
18265 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
18267 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
18269 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
18271 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
18273 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
18275 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
18277 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
18279 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
18281 * rs6000.c (output_toc): Always use hex values for floating-point
18282 constants. Store single-precision values in upper-half of TOC
18283 entry in 64-bit mode.
18284 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
18285 to final constraints.
18286 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
18287 (fctiwz): Improve accuracy of RTL for pattern.
18289 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
18291 * expr.c (expand_expr): Allow RTL_EXPR's through the
18292 MAX_INTEGER_COMPUTATION_MODE checks.
18294 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
18296 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
18297 such that MASK_SUPPORT_ARCH is not negative.
18299 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
18301 * loop.c (verify_dominator): Properly handle ADDR_VEC and
18302 ADDR_DIFF_VEC insns that appear inside loops.
18304 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
18305 Jeff Law <law@cygnus.com>
18307 * rs6000.md (movdf_hardfloat32): Revert previous patch.
18308 Handle LO_SUM the same as offsettable in cases 1 and 2.
18309 * rs6000.c (find_addr_reg): Revert previous patch.
18311 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
18313 * system.h (strstr): New external function declaration.
18314 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
18315 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
18316 * config.in, configure: Rebuilt.
18318 1999-06-24 Tom Tromey <tromey@cygnus.com>
18320 * gcc.c (main): Read user-specified specs files after computing
18321 additional startfile_prefixes.
18323 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
18325 Revert these two patches:
18327 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18328 * loop.c (strength_reduce): When doing biv->giv conversion, update
18329 reg note of NEXT->insn.
18331 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18332 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
18334 (recombine_givs): Set ix field after sorting.
18336 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18338 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
18339 for the parts of an UNSPEC / UNSPEC_VOLATILE.
18341 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
18343 *fixinc/inclhack.def: Add fix development commentary
18344 (read_ret_type): reactivate and add selection clause
18345 (zzz_*): tweak output file name to match what is used in hackshell.tpl
18346 *fixinc/{fixincl.x|inclhack.sh}: regen
18348 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
18350 * expr.c (expand_expr): STRIP_NOPS before checking against
18351 MAX_INTEGER_COMPUTATION_MODE
18352 (check_max_integer_computation_mode): Likewise.
18354 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
18356 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
18358 1999-06-22 Jim Wilson <wilson@cygnus.com>
18360 * expr.c (store_expr): When target is a promoted subreg, return a
18361 promoted subreg as a result.
18363 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
18365 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
18367 (dwarf2out_define): Mark unused parameters appropriately.
18368 (gen_unspecified_parameters_die): Ditto.
18369 (gen_subprogram_die): Fix signed/unsigned warnings.
18370 (gen_variable_die): Ditto.
18372 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
18374 * fixinc/inclhack.def(end_else_label): combined else_label
18375 and endif_label and fixed the sed expression.
18376 *fixinc/{fixincl.x|inclhack.sh}: regen
18378 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
18380 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
18381 'x' when handling non-offsettable addresses
18383 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
18385 * final.c (shorten_branches): Don't try to split an insn that has
18388 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
18390 * config/mips/mips.c (symbolic_expression_p): New function.
18391 (mips_select_rtx_section): Put symbolic expressions in the
18392 data section, not the read-only data section.
18394 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
18396 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
18398 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
18400 * collect2.c (main): Log frame table count.
18401 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
18402 (scan_prog_file) [COFF]: Handle frame tables.
18404 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
18405 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
18406 * alpha/elf.h: Undef them again.
18407 * alpha/vms.h: Remove their definitions.
18409 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18411 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
18412 remove the clobber of r0 and change the REG_UNUSED note to
18415 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
18417 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
18418 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
18419 fits in HOST_WIDE_INT and one uses union to access a long constant
18422 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
18424 * sparc.c (sparc_override_options): Don't allow profiling for
18425 code models other than medlow.
18426 (sparc_function_profiler): New function from old FUNCTION_PROFILER
18427 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
18428 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
18429 (sparc_block_profiler): Likewise.
18430 (sparc_function_block_profiler_exit): Likewise.
18431 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
18432 (FUNCTION_BLOCK_PROFILER): Likewise.
18433 (BLOCK_PROFILER): Likewise.
18434 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
18435 (MCOUNT_FUNCTION): New.
18436 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
18437 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
18438 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
18439 (MCOUNT_FUNCTION): New.
18440 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
18441 (BLOCK_PROFILER): Delete.
18442 (MCOUNT_FUNCTION): New.
18444 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
18446 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
18448 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
18450 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
18453 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
18456 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
18459 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
18462 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
18464 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
18467 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
18469 * i386/djgpp.h (LIB_SPEC): New.
18470 (STARTFILE_SPEC): New.
18472 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
18474 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
18476 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
18479 * system.h (WSTOPSIG): New macro.
18481 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
18483 * c-pragma.c (push_alignment): Don't ignore alignments greater than
18485 (insert_pack_attributes): Take into account member natural
18488 * i386/winnt.c (exports_head): New static variable.
18489 (i386_pe_record_exported_symbol): New function.
18490 (i386_pe_asm_file_end): Use.
18491 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
18492 symbols to be emitted at end of assembly.
18493 (ASM_DECLARE_OBJECT_NAME): Likewise.
18494 (ASM_DECLARE_FUNCTION_NAME): Likewise.
18496 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
18499 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
18501 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
18504 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
18506 * haifa-sched.c (sched_analyze_1): Use free_list instead of
18507 zapping reg_last_uses directly.
18508 (sched_analyze_2, sched_analyze_insn): Likewise.
18509 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
18511 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
18513 * rs6000.md (movdf_hardfloat32): Use worst case insn length
18514 attributes for cases 1 and 2.
18516 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
18518 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
18521 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
18523 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
18525 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
18527 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
18528 PIC_OFFSET_TABLE_REGNUM for general alloaction.
18529 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
18530 must be stacked if it is used for PIC accesses.
18531 * arm.c (use_return_insn): Handle PIC register specially.
18532 (output_return_instruction): Likewise.
18533 (output_func_{prologue,epilogue}): Likewise.
18534 (output_expand_prologue): Likewise.
18536 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
18537 (*strsi_predec): Renamed from *strqi_predec.
18538 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
18539 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
18541 * arm.c (arm_override_options): Remove warning about PIC code
18542 not being supported.
18544 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
18546 * rs6000.c (find_addr_reg): New function.
18547 * rs6000.h (find_addr_reg): Declare.
18548 (offsettable_addr_operand): Delete.
18549 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
18550 from and stores to GPRs.
18552 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
18554 * alpha.c (alpha_expand_block_move): Use get_insns rather than
18555 gen_sequence as argument to emit_no_conflict_block.
18557 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18559 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
18560 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
18561 *fixinc/fixincl.x: regen
18562 *fixinc/inclhack.sh: regen
18564 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
18566 * added support for -mpcrel (PC relative addressing for m68k)
18567 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
18568 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
18569 * m68k.c (print_operand_address): Handle 32-bit PIC case.
18570 (comments for general_src_operand): Add some explanation
18571 about EXTRA_CONSTRAINTS.
18572 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
18573 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
18574 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
18575 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
18576 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
18577 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
18578 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
18579 if not already set.
18580 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
18581 * m68k.h (TARGET_PCREL): New target flag.
18582 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
18583 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
18584 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
18585 contains a SYMBOL_REF. Relax this constraint during reload, since
18586 we want to use the predicates, not reload's built-in concept of a
18587 valid memory address, to control what insns need reloading.
18588 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
18589 operands (essentially 'g', 'm', and 's' under normal circumstances).
18590 * m68k.c (print_operand): Cause printing of pc-relative addresses
18591 to include pc register.
18592 (print_operand_address): Ditto.
18593 (general_src_operand): Accept operands that are not only
18594 general_operands, but are also valid when used as a pc-relative
18596 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
18597 (memory_src_operand): Similar, for memory_operands.
18598 (pcrel_address): New predicate to accept the special case of a
18599 pc-relative address.
18600 * m68k.md (many patterns): Rewrite common SImode, HImode, and
18601 QImode insns to accept *_src_operand instead of *_operand where
18602 pc-relative operands can fit. For example, a pc-relative operand
18603 can be used as a memory source operand for addsi3, but not as a
18604 memory destination.
18605 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
18607 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
18609 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
18610 .thumb_set pseudo op to mark aliases of thumb functions.
18612 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
18614 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
18615 preference to ASM_OUTPUT_DEF, if it is defined.
18617 * tm.texi: Document new, optional target macro
18618 ASM_OUTPUT_DEF_FROM_DECLS.
18620 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18622 * fixincludes: ISCNTL patch
18623 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
18624 (dgux_int_varargs): new for DG/UX
18625 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
18627 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
18629 * invoke.texi (ia32 options): Fix typo.
18631 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18633 * loop.c (strength_reduce): When doing biv->giv conversion, update
18634 reg note of NEXT->insn.
18636 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
18638 * loop.c (move_movables): Note issues with replacing REGs with
18640 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
18642 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
18644 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
18646 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
18647 the reference to `mcount' was not correct for the ELF on FreeBSD.
18649 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18651 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
18654 (recombine_givs): Set ix field after sorting.
18656 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
18658 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
18659 to safe to extract a subword out of a REG.
18661 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18663 * sh.md (mulsi3): Don't add a no-op move at the end.
18665 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18667 * cse.c (cse_insn): Don't put hard register source into tables for
18668 the last insn of a libcall.
18670 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18672 * loop.c (strength_reduce): Insert sets of derived givs at every
18673 biv increment, even if it's the only one.
18675 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18677 * dwarfout.c (add_incomplete_type): New fn.
18678 (output_type): Call it.
18679 (retry_incomplete_types): New fn.
18680 (dwarfout_finish): Call it.
18682 From Eric Raskin <ehr@listworks.com>:
18683 (output_type): Output types for bases.
18685 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
18687 * mips.c (mips_output_conditional_branch): Add `break'
18688 between `default' label and `close braces'.
18690 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
18692 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
18693 specifications and make it realistic.
18694 (LIB_SPEC): Likewise.
18696 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
18698 * config/mips/mips.c (mips_secondary_reload_class): Check for
18699 (PLUS (SP) (REG)) and return appropriate register class.
18700 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
18701 Handle (PLUS (SP) (REG)).
18702 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
18703 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
18704 of emit_insn for tablejump.
18706 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
18708 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
18709 asm_fprintf format string by itself.
18710 (output_function_profiler): Likewise.
18712 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
18714 * combine.c (simplify_logical, case AND): Only call
18715 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
18716 or the constant is positive.
18718 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
18720 * configure.in: Fix typo in rs6000-ibm-aix4 case.
18721 * configure: Regenerate.
18723 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
18725 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
18726 require a sub-version #.
18727 * configure: Rebuilt.
18729 1999-06-14 Robert Lipe (robertlipe@usa.net)
18731 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
18733 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
18735 * c-typeck.c (process_init_element): Detect excess elements in
18736 char array initializer.
18738 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
18740 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
18742 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
18744 * invoke.texi (Option Summary): Add -fpermissive flag.
18746 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
18748 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
18749 that require PIC code sequences.
18751 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
18753 * configure.in: Add new target: thumb-elf.
18754 * configure: Regenerate.
18755 * config/arm/t-thumb-elf: New file: Makefile fragment for
18757 * config/arm/telf.h: New file: Header file for thumb-elf
18760 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
18762 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
18763 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
18764 initializers is some circumstances.
18766 * fixinc/inclhack.def (endif_label): Add additional selector for
18767 more bogus stuff after #endif statements.
18768 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
18770 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
18772 * i386/cygwin.h (SET_ASM_OP): Define.
18774 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
18776 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
18778 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18780 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
18783 * sh.md (ic_invalidate_line_i): Remove second alternative.
18785 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18787 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
18788 test for the presence of valid prototypes. Delete bypass expr.
18789 (ioctl_fix_ctrl): Correct the selection expression.
18790 (no_double_slash): Correct quoting rules
18791 *fixinc/fixincl.x: regen
18792 *fixinc/inclhack.sh: regen
18794 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
18796 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
18798 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18800 * rs6000.md (movsi_got_internal_mem): Delete.
18801 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
18802 (GOT_TOC_REGNUM): Delete.
18803 (PIC_OFFSET_TABLE_REGNUM): Define.
18804 (FINALIZE_PIC): Disable.
18805 * rs6000.c (rs6000_got_register): New code for fixed pic register.
18806 (rs6000_replace_regno): Delete.
18807 (rs6000_finalize_pic): Likewise.
18808 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
18810 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18812 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
18813 is a note; use <= for the compare; advance P while it is
18816 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
18818 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
18819 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
18821 * varasm.c (remove_from_pending_weak_list): Verify t->name
18822 is non-NULL before passing it to strcmp.
18824 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18826 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
18827 the typed arguments are not part of a comment
18828 (ioctl_fix_ctrl): Added a purpose comment
18829 *fixinc/fixincl.x: regenerate
18830 *fixinc/inclhack.sh: regenerate
18832 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18834 * invoke.texi: Add C4x invocation docs.
18836 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18838 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
18840 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
18842 (c4x_legitimize_reload_address): New function.
18843 * config/c4x/c4x.md: Update docs.
18845 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
18847 * fixincludes: Avoid removing '.'.
18848 * fixinc/fixinc.svr4: Likewise.
18849 * fixinc/fixinc.winnt: Likewise.
18850 * fixinc/inclhack.tpl: Likewise.
18851 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
18853 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18855 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
18857 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
18859 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
18861 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
18864 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
18866 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
18867 * configure: Regenerate.
18869 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
18871 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
18874 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
18876 * fixinc/inclhack.def (avoid_bool): Also catch
18877 "typedef [unsigned] int bool".
18878 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
18880 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
18881 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
18882 * configure: Rebuilt.
18884 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
18886 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
18887 such that we can override its definitions if necessary.
18888 (CPP_SPEC): New define. Support processor specific predefines via
18890 (CC1_SPEC): New define. Support processor specific compiler
18891 options via %(cc1_cpu).
18892 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
18895 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18897 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
18898 between sed's -e flag, and the open-quote following it.
18899 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
18901 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
18902 Jeffrey A Law (law@cygnus.com)
18904 * varasm.c (assemble_start_function): Remove the function
18905 from the pending weak decls list when we define a function.
18906 (assemble_variable): Similarly for variables.
18907 (weak_finish): Ignore items on the list with a NULL name.
18908 (remove_from_ending_weak_list); New function to "remove" an item
18909 from the pending weak declarations list.
18911 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
18913 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
18915 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
18917 * c-lex.c (GETC): Redefine to call getch.
18918 (UNGETC): Redefine to call put_back.
18919 (putback_buffer): New structure type.
18920 (putback): New static structure.
18921 (getch): New function.
18922 (put_back): New function.
18923 (yylex): Replace unused bytes from bad multibyte character.
18925 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
18927 * cpplib.c (do_define): Cast `alloca' return value.
18928 (do_include, do_undef, do_pragma): Likewise.
18929 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
18931 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
18932 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
18934 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
18936 * sparc.md (abstf2): This should be an expand.
18937 (split after abstf2_notv9): Fix mode.
18938 (abstf2_hq_v9): New pattern.
18939 (abstf2_v9): Only use when no hard quad.
18940 (absdf2_v9): Fix if target is not the same as source.
18941 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
18942 Add correct output constraints.
18944 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
18946 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
18947 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
18949 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
18951 * mips.h (mips_output_conditional_branch): New function.
18952 (mips_adjust_insn_length): Likewise.
18953 (ASSEMBLER_SCRATCH_REGNUM): New macro.
18954 (ADJUST_INSN_LENGTH): Likewise.
18955 * mips.c (print_operand): Add `F' and `W' for floating-point
18956 comparison opcodes.
18957 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
18959 (mips_adjust_insn_length): New function.
18960 (mips_output_conditional_branch): New function.
18961 * mips.md (length): Adjust attribute definition to handle
18962 conditional branches. Change lengths to bytes, rather than
18963 instructions throughout. Remove length attribute from
18964 instructions whose length is four bytes, and rely on the default
18966 (dslot): Fix typo in comment.
18967 Reword conditional branch patterns to use
18968 mips_output_conditional_branch.
18970 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18972 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
18973 (LIB_SPEC): Likewise.
18974 Link with -lprof1_r for -g/-pg.
18976 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18978 * loop.c (check_dbra_loop): Fix change of Jan 19.
18980 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
18982 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
18983 (STARTFILE_SPEC): Define, override the svr4.h version.
18984 (ENDFILE_SPEC): Likewise.
18986 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
18988 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
18989 * fixinc/fixincl.x: Regenerated.
18990 * fixinc/inclhack.sh: Regenerated.
18992 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18994 * sh.c (barrier_align): Don't return early for normal branch/barrier
18995 when optimizing for SH2.
18997 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
18999 * i386/udk.h (LINK_SPEC): Correct linker search path for
19002 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19004 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
19005 (braf_label_ref_operand): Delete.
19006 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
19007 * sh.md (casesi_jump_2): Operand1 is now the inside of a
19008 label_ref, and has no predicate.
19009 The patten has a predicate to guard against invalid substitutions.
19010 (dummy_jump): Delete.
19011 (casesi): Update use of casesi_jump_2.
19013 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19015 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
19016 *fixinc/fixincl.x: regenerate
19017 *fixinc/inclhack.sh: regenerate
19019 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
19021 * dwarf2out.c (add_incomplete_type): New fn.
19022 (gen_struct_or_union_type_die): Call it.
19023 (retry_incomplete_types): New fn.
19024 (dwarf2out_finish): Call it.
19026 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
19028 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
19029 current block starts with a CODE_LABEL and ends with a CALL and
19030 we can not find all the argument setup instructions for the CALL.
19032 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
19034 Revert this change:
19035 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
19036 something is a candidate for optimize_bit_field_compare.
19038 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19040 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
19042 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
19044 * alpha.c (override_options): Thinko in last patch.
19046 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
19047 (LIB_SPEC): Recognize -pthread.
19049 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
19051 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
19052 definition in config/arm/coff.h
19053 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
19055 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19057 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
19058 fixes that need "file=xxx\n" prepended before invocation
19059 (start_fixer - new): starting the fixer process is complex enough
19060 to warrent its own routine. It prepends the "file=xxx\n" stuff.
19061 (process): uses the new routine; omit usage of putenv()
19062 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
19063 * fixinc/fixincl.x: regenerate
19065 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
19067 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
19068 and version #s (1.1 -> 2.96) as needed.
19069 * README.g77: Kill way out of date file in the toplevel directory.
19071 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
19073 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
19074 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
19075 * configure: Rebuilt.
19076 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
19077 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
19078 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
19079 (SWITCH_TAKES_ARG): Likewise.
19080 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
19081 * config/t-freebsd: Moved from config/i386/ so it can used for all
19084 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
19086 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
19088 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
19090 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
19091 * configure: Rebuilt.
19093 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
19095 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
19096 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
19097 * rs6000/rs6000.c (rs6000_file_start): Use putc.
19098 (rs6000_output_load_toc_table): Same.
19099 (output_prolog, output_mi_thunk): Same.
19100 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
19101 (ASM_GLOBALIZE_LABEL): Use putc.
19103 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
19105 * alpha.md (reload_*_help): New patterns and splitters.
19106 (reload_*): Use them.
19107 (mov[qh]i): Likewise.
19109 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
19111 * cccp.c (handle_directive): Handle backslash-newlines in quoted
19114 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
19116 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
19118 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
19120 * flow.c (mark_regs_live_at_end, insn_dead_p,
19121 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
19122 and HARD_FRAME_POINTER_REGNUM special treatment if reload
19123 hasn't run or the frame pointer is needed.
19124 * haifa-sched.c (attach_deaths): Likewise.
19125 * sched.c (attach_deaths): Likewise.
19127 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
19129 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
19130 calculate_can_reach_end returns nonzero.
19132 * configure.in (native gas tests): Search for an assembler in the
19133 same manner that the installed compiler will.
19134 * configure: Rebuilt.
19135 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
19137 * alias.c (find_base_term): Improve handling of addresses
19138 constructed from binary operations.
19140 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
19142 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
19144 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
19146 * function.h (cleanup_label, frame_offset): Declare.
19147 (tail_recursion_label, tail_recursion_reentry): Likewise.
19148 (arg_pointer_save_area, rtl_expr_chain): Likewise.
19149 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
19150 (tail_recursion_label, tail_recursion_reentry): Likewise.
19151 (arg_pointer_save_area, rtl_expr_chain): Likewise.
19153 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
19155 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
19157 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
19158 (MAX_OFILE_ALIGNMENT): Define.
19160 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
19162 * fixincl.c: Replace local include scheme with #includes of
19163 gansidecl.h and system.h.
19164 * procopen.c: Likewise.
19165 * server.c: Likewise.
19167 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
19169 * i386/t-dgux (EXTRA_PARTS): Add crti.o
19170 (crti.o): Add build rule and dependencies.
19171 * fixinc/fixinc.dgux: Use modified _int_varargs.h
19173 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19175 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
19176 (LIB_LINUX_SPEC): Likewise.
19177 (LIB_LINUX_SPEC): Add support for -pthread
19178 (CPP_OS_LINUX_SPEC): Likewise.
19179 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
19182 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
19184 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
19186 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
19187 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
19188 for IEEE math and CC_FCOMI.
19189 (put_jump_code): No IEEE if CC_FCOMI is set.
19191 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
19193 * fold-const.c (fold_truthop): Make the field reference unsigned
19194 when converting a single bit compare.
19196 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19198 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
19200 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
19202 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
19203 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
19206 * reload.c (push_reload): Do not call remove_address_replacements
19207 when presented with identical optional reloads.
19209 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
19211 * alpha.h (MASK_FIX, TARGET_FIX): New.
19212 (MASK_*): Reorganize constants.
19213 (CPP_AM_FIX_SPEC): New.
19214 (TARGET_SWITCHES): Add FIX.
19215 (EXTRA_SPECS): Likewise.
19216 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
19217 (SECONDARY_MEMORY_NEEDED): Likewise.
19218 (REGISTER_MOVE_COST): Likewise.
19219 * alpha.c (override_options): Add FIX support. Always use
19220 ALPHA_TP_PROG for ev6.
19221 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
19222 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
19223 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
19225 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
19227 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
19228 something is a candidate for optimize_bit_field_compare.
19230 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
19232 * gcc.texi (Passes): Document branch-shortening.
19233 * invoke.texi (Debugging Options): Document the fact that `-dp'
19234 outputs length information for instructions.
19236 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
19238 * flow.c: Revert previous delta.
19240 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
19242 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
19243 FRAME_POINTER_REGNUM.
19244 (mark_set_1): Ditto.
19245 (mark_used_regs): Ditto.
19247 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
19249 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
19250 (GOT_PCREL): New macro. Define to 1 if not already defined.
19251 * arm/elf.h (GOT_PCREL): Define to 0.
19252 * arm.c (arm_finalize_pic): Take into account the setting of
19255 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
19257 * output.h (STRIP_NAME_ENCODING): Provide default definition.
19258 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
19260 * flow.c (mark_set_1): Do not record BLKmode stores as dead
19261 store elimination candidates.
19263 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
19265 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
19268 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
19270 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
19271 Add use of x-aix41-gld.
19273 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
19275 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
19276 (ASM_OUTPUT_DESTRUCTOR): Define.
19278 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
19280 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
19281 last CODE_LABEL in a loop if we have previously passed a jump
19282 to the top of the loop.
19284 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
19286 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
19287 applying Philip's patch.
19289 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
19291 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
19294 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
19296 * loop.c (strength_reduce): Grow reg_single_usage as needed.
19298 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
19300 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
19301 Also remove a useless comment.
19303 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
19305 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
19307 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
19309 * collect2.c (main): Only generate import or export file and add
19310 to link arguments if non-empty. Use xmalloc not alloca.
19311 (write_{export,import}_file): Delete.
19312 (write_aix_file): New function.
19313 (locatelib): Use xmalloc not malloc.
19314 (GCC_OK_SYMBOL): Do not check type if aix64.
19316 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
19318 Based on patch by Scott Bambrough and Pat Beirne:
19319 * config/arm/arm.c (making_const_table): New variable.
19320 * config/arm/arm.h (making_const_table): Declare.
19321 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
19323 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
19324 Keep track of when we are building the constant table.
19326 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
19328 * config/arm/arm.c (arm_override_options): Fix erroneous warning
19331 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
19333 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
19336 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
19338 * tm.texi (FUNCTION_ARG): Correct description of a stack element
19341 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
19343 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
19345 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19347 * rs6000.c (output_mi_thunk): Enable full support again.
19349 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19351 * sh.h (BRANCH_COST): Define.
19353 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
19355 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
19357 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
19359 * function.c (assign_stack_local): Align stack slot propertly.
19360 (assign_outer_stack_local): Likewise.
19362 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
19364 * expr.h (lang_expand_constant): Declare.
19365 * toplev.c (lang_expand_constant): Define it.
19366 * varasm.c (output_constant): Use it.
19368 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19370 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
19371 Change function definitions to K&R style.
19373 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19375 * fixinc/fixincl.c: We must not ignore SIGCLD now.
19377 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
19379 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
19380 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
19381 (several places): omit static initialization
19382 (process): use single fd, since only the read fd is used
19383 * fixinc/gnu-regex.c: define 'const' away, if not supported
19384 * fixinc/procopen.c(several places): omit static initialization
19385 * fixinc/server.c: define 'volitile' away, if not supported
19387 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
19389 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
19390 asm_fprintf and %L to generate the label name.
19391 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
19392 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
19394 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
19396 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
19397 insn for a conditional jump can not be found.
19399 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
19401 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
19402 on variables in specific sections other than .sbss and .sdata.
19404 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
19406 * stmt.c (expand_return): Call start_cleanup_deferral and
19407 end_cleanup_deferral around conditional code.
19409 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19411 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
19412 filename lists. Utilizes new "krstr" AutoGen function.
19413 * fixinc/fixincl.x: Rebuilt.
19415 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
19417 * i386.c (output_float_compare): Avoid GNU-C extensions.
19419 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
19421 * version.c: Bump to distinguish mainline tree from the
19424 See ChangeLog.1 for earlier changes.