1 2000-03-17 Richard Henderson <rth@cygnus.com>
3 * rtlanal.c (single_set): Reject if the parallel has anything
4 except SET or USE or CLOBBER.
6 2000-03-17 Jeff Law <law@cygnus.com>
7 Richard Henderson <rth@cygnus.com>
9 * Makefile.in (OBJS): Add sibcall.o.
11 * sibcall.c: New file.
12 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
13 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
14 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
15 Emit sibcall patterns when requested. Update all callers.
16 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
17 elimination seems feasable.
18 * final.c (leaf_function_p): Sibling calls don't discount being
20 * flow.c (HAVE_sibcall_epilogue): Provide default.
21 (find_basic_blocks_1): Sibling calls don't throw.
22 (make_edges): Make edge from sibling call to EXIT.
23 (propagate_block): Don't remove sibcall_epilogue insns.
24 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
25 (sibcall_epilogue): New.
26 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
27 (identify_blocks_1): Likewise. Break out from ...
28 (identify_blocks): ... here.
29 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
30 (reorder_blocks): ... here.
31 (init_function_for_compilation): Zap prologue/epilogue as varrays.
32 (record_insns): Extend a varray instead of mallocing new memory.
33 (contains): Read a varray not array of ints.
34 (sibcall_epilogue_contains): New.
35 (thread_prologue_and_epilogue_insns): Emit and record
36 sibcall_epilogue patterns.
37 (init_function_once): Allocate prologue/epilogue varrays.
38 * genflags.c (gen_insn): Treat sibcall patterns as calls.
39 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
41 (save_for_inline_nocopy): ... here.
42 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
44 (expand_inline_function): ... here.
45 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
46 (subst_constants): Handle 'n' formats.
47 * jump.c (jump_optimize_minimal): New.
48 (jump_optimize_1): New arg `minimal'; update callers. Elide most
49 optimizations if it's set.
50 * rtl.c (copy_rtx): Do copy jump & call for insns.
51 * rtl.h (struct rtx_def): Document use of jump and call for insns.
52 (SIBLING_CALL_P): New.
54 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
55 Invoke optimize_sibling_and_tail_recursive_calls.
56 * tree.c (lang_safe_for_unsave): New.
57 (safe_for_unsave): New.
58 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
60 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
61 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
62 (*sibcall_osf_1, *sibcall_value_osf_1): New.
64 2000-03-17 Mark Mitchell <mark@codesourcery.com>
66 * objc/objc-act.c (encode_method_prototype): Pass types, not
67 PARM_DECLs, to int_size_in_bytes.
69 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
71 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
73 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
74 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
76 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
78 * Clean up usages of TREE_INT_CST_LOW.
79 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
80 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
82 * c-tree.h (min_precision): Move declaration to here.
83 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
84 (build_unary_op, add_pending_init): Use bit_position.
85 (pending_init_member, process_init_element): Likewise.
86 (really_start_incremental_init, push_init_level, pop_init_level):
87 Don't make copies of nodes or modify them in place, use consistent
88 types when tracking positions, and use tree routines computations.
89 (set_init_index, output_init_element): Likewise.
90 (output_pending_init_elements, process_init_element): Likewise.
91 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
92 tree_low_cst and int_bit_position; also minor cleanup.
93 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
94 (print_cst_octal): Precision is unsigned.
95 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
96 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
97 (simple_type_align_in_bits): Result is unsigned int.
98 Use tree_int_low_cst and host_integerp.
99 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
100 (field_byte_offset): Result is HOST_WIDE_INT.
101 Change types of internal variables so alignments are unsigned int,
102 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
103 Use host_integerp, tree_low_cst, and int_bit_position.
104 (add_bit_offset_attribute): Likewise.
105 (add_data_member_location_attribute): Use tree_cst_low.
106 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
107 (add_bit_size_attribute): Use tree_low_cst.
108 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
109 * dwarfout.c: Similar changes to dwarf2out.c.
110 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
111 * genoutput.c (n_occurences): Return -1 for null string.
112 (strip_whitespace): Accept null string and make into function.
113 (scan_operands): Reflect above changes.
114 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
115 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
116 * ssa.c (rename_registers): Add missing cast of arg to bzero.
117 * tree.c (int_size_in_bytes): Check for too big to represent.
118 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
119 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
121 (min_precision): Delete from here.
122 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
123 and int_bit_position.
124 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
125 (encode_method_def): Likewise.
126 (build_ivar_list_initializer): Use int_bit_position.
127 (generate_shared_structures): Convert size.
128 (encode_type, encode_complete_bitfield): Use integer_zerop.
129 (encode_bitfield): Use tree_low_cst and int_bit_position.
131 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
133 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
135 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
137 * call.c (special_function_p): It is only malloc if it returns
140 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
142 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
143 (C33_FLAG, TARGET_C3X): Add macros.
144 (TARGET_SWITCHES): Add -m33 option.
145 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
147 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
149 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
150 (PARALLEL_PACK_FLAG): Delete.
151 (TARGET_SWITCHES): Update.
152 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
154 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
156 * fold-const.c (fold): Fix a few cases when the returned result
157 is not of the same type as the input.
159 2000-03-16 Nick Clifton <nickc@cygnus.com>
161 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
164 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
166 * libgcc2.h: Move prototypes above macros with the same name.
167 Wrap some function prototypes in the conditional which indicates
168 whether they are supported, i.e. "BITS_PER_UNIT == 8".
170 2000-03-16 Richard Henderson <rth@cygnus.com>
172 * calls.c: Revert last two changes.
174 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
176 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
177 has exponent 0 is a zero.
179 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
180 HASH may already be nonzero. Add code/mode into hash value
181 immediately after repeat label.
182 (cselib_lookup): Don't leave the hash table in an inconsistent
183 state before a hash lookup operation.
185 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
187 * i386.md (all HI and QI mode non-move patterns): Conditionize
188 by TARGET_[HQ]IMODE_MATH.
189 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
190 x86_promote_qi_regs): Declare.
191 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
192 TARGET_PROMOTE_QI_REGS): New macros.
193 (PROMOTE_MODE): New macro.
194 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
195 x86_promote_qi_regs): New global variables.
197 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
199 * calls.c (emit_library_call_value_1): Break out from ...; handle
200 VOIDmode function calls too.
201 (emit_library_call_value): ... here.
202 (emit_library_call): Implement by calling emit_library_call_value_1.
204 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
206 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
207 Update arg_space_so_far on stack adjustments.
208 (emit_library_call, emit_library_call_value): Likewise; take into
209 account arg_space_so_far and pending_stack_adjust when calculcating
212 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
214 * flow.c: Move all basic block reordering code into its own file.
215 (create_basic_block): Externalize.
216 * bb-reorder.c: New file. Copy all basic block reordering code from
218 (reorder_basic_blocks): Fix fencepost error in for-loop.
219 (reorder_basic_blocks): Remove braces from single statement for-loops.
220 * basic-block.h: Add declaration for create_basic_block.
221 * Makefile.in: Add rules for bb-reorder.o.
223 2000-03-16 Neil Booth <NeilB@earthling.net>
225 * cppinit.c (handle_option): Implement #unassert directive
226 as -A- command line option.
227 (print_help): Update.
230 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
232 * md.texi (Standard Names): Document `jump'.
234 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
236 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
239 2000-03-15 Geoff Keating <geoffk@cygnus.com>
241 See the ChangeLog on the branch for more details.
243 * configure.in: Merge in changes from newppc-branch.
244 * configure: Regenerate.
245 * config/rs6000/*: Merge in changes from newppc-branch.
246 Also correct copyright notices.
248 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
250 * acconfig.h (HAVE_GAS_WEAK): New define.
251 * configure.in (assembler weak support): Check for .weak support.
252 * config.in, configure: Rebuilt.
253 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
254 HAVE_GAS_WEAK is defined.
256 2000-03-15 Nick Clifton <nickc@cygnus.com>
258 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
261 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
263 * cppfiles.c (open_include_file): New function.
264 (find_include_file, cpp_read_file): Use it.
266 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
268 * cpphash.c (dump_hash_helper): Take the slot, not the element.
270 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
272 * flow.c (verify_flow_info): Check for unconditional return.
274 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
276 * config/ia64/ia64.md (restore_stack_nonlocal): New.
277 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
278 (__ia64_restore_stack_nonlocal): New.
279 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
281 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
283 * cpphash.c (collect_formal_parameters): Do not complain about
284 parameter names that just start with `__VA_ARGS__'.
286 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
288 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
289 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
290 * i386.c (pentiumpro_cost): Set mul cost to 4.
291 (x86_use_movx): Set for PPro.
293 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
295 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
296 STACK_BOUNDARY for empty frames now.
298 2000-03-14 Mark Mitchell <mark@codesourcery.com>
300 * stor-layout.c (layout_union): Remove.
301 (layout_union_field): New function, split out from layout_union.
302 (finish_union_layout): Likewise.
303 (layout_field): Handle unions by calling layout_union_field.
304 (finish_record_layout): Handle unions.
305 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
306 QUAL_UNION_TYPE handling.
308 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
310 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
311 end of basic block is jump_insn, not barrier; use create_basic_block
312 instead of creating basic block by hand.
314 2000-03-14 Jason Eckhardt <jle@cygnus.com>
316 * flow.c (reorder_basic_blocks): Account for barriers when writing
317 over NEXT_INSN (last_bb->end).
318 (verify_flow_info): Add check for missing barriers.
320 2000-03-14 Greg McGary <gkm@gnu.org>
322 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
323 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
324 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
325 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
326 __unbounded, __unbounded__): New keywords.
327 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
328 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
329 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
331 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
333 * cselib.h: New file.
334 * alias.c: Include "cselib.h".
335 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
336 MEMs as two new arguments.
337 (get_addr): New static function.
338 (find_base_term): Handle VALUEs.
339 (memrefs_conflict_p): Likewise.
340 (true_dependence): Call get_addr on the addresses.
341 Call fixed_scalar_and_varying_struct_p with addresses that have been
342 passed through get_addr and canon_rtx.
343 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
344 with true_dependence.
345 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
346 * loop.c: Include "cselib.h".
347 (load_mems): Process extended basic block that enters the loop with
348 cselib. Use that information to change initialization of the shadow
349 register so that a constant equivalence is seen by later passes.
350 * reload1.c: Include "cselib.h".
351 (reload_cse_invalidate_regno): Delete function.
352 (reload_cse_mem_conflict_p): Likewise.
353 (reload_cse_invalidate_mem): Likewise.
354 (reload_cse_invalidate_rtx): Likewise.
355 (reload_cse_regno_equal_p): Likewise.
356 (reload_cse_check_clobber): Likewise.
357 (reload_cse_record_set): Likewise.
358 (reg_values): Delete static variable.
359 (invalidate_regno_rtx): Likewise.
360 (reload_cse_delete_noop_set): New static function.
361 (reload_cse_simplify): New static function, broken out of
363 (reload_cse_noop_set_p): Delete unused argument INSN.
364 Just call rtx_equal_for_cselib_p on set source and destination.
365 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
366 reload_cse_delete_noop_set. Delete code to keep track of values; use
367 cselib functions instead. Delete code to push/pop obstacks.
368 (reload_cse_simplify_set): Use cselib to find equivalent values.
369 Delete code to push/pop obstacks.
370 (reload_cse_simplify_operands): Likewise.
371 * rtl.def (VALUE): New rtx code.
372 * rtl.h (union rtunion_def): New elt rt_cselib.
373 (X0CSELIB, CSELIB_VAL_PTR): New macros.
374 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
375 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
376 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
377 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
378 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
379 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
380 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
381 cselib_record_set, cselib_record_sets): New static functions.
382 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
383 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
384 references_value_p): New functions.
385 (MAX_USELESS_VALUES, REG_VALUES): New macros.
386 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
387 n_useless_values, reg_values, callmem, cselib_obstack,
388 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
389 New static variables.
390 * varray.h (union varray_data_tag): New elt te.
391 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
392 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
395 2000-03-14 Nick Clifton <nickc@cygnus.com>
397 * gcc.c (do_spec_1): Catch the case where %* is used in a
398 substitution pattern, but it has not been initialised.
399 Issue a meaningful error message if an unrecognised operator
400 is encountered in a spec string.
402 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
404 * function.c (prepare_function_start): Correctly initialize
405 cfun->stack_alignment_needed.
407 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
409 * cppfiles.c (find_include_file): Don't assume nshort is a
412 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
414 * configure.in (hppa configurations): Add pa32-regs.h to the
415 list of tm files as appropriate.
416 * configure: Rebuilt.
417 * pa.c (compute_frame_size): Remove explicit knowledge about FP
419 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
420 (fmpyaddoperands, fmpysuboperands): Likewise.
421 * pa.h: Remove various definitions which depend on knowing
422 how registers are numbered.
423 * pa32-regs.h: New file with PA32 register numbering specific
426 2000-03-14 Richard Henderson <rth@cygnus.com>
428 * regmove.c (combine_stack_adjustments): New.
429 (stack_memref_p, single_set_for_csa): New.
430 (free_csa_memlist, record_one_stack_memref): New.
431 (try_apply_stack_adjustment): New.
432 (combine_stack_adjustments_for_block): New.
433 * rtl.h (combine_stack_adjustments): Declare.
434 * toplev.c (rest_of_compilation): Call it.
436 * i386.md: Revert 2000-01-16 change.
438 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
440 * gccbug.in: Add web category, gcc specific classes.
442 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
444 * stor-layout.c (finalize_record_size): Fix typo.
446 2000-03-14 Stan Shebs <shebs@apple.com>
448 * c-typeck.c (c_alignof): Error on incomplete types.
449 * extend.texi (Alignment): Document this.
451 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
453 * cppfiles.c: Include mkdeps.h.
454 (find_include_file, read_include_file): Remove _cpp_ prefix
455 from name, make static.
456 (_cpp_execute_include): New function, broken out of
459 * cpplib.c: Don't include mkdeps.h.
460 (struct directive): Remove type field. Reorder entries. The
461 function takes only one argument.
462 (struct if_stack): Make type field an int.
463 (directive_table): Rename to dtable. Generate it, the
464 prototypes of the directive handlers, and the enum for the
465 directive numbers, from a template macro.
466 (do_ifndef, do_include_next, do_import): New functions.
467 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
468 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
469 do_ident, do_assert, do_unassert, do_sccs): Take only one
471 (do_sccs): Define always, but alter behavior based on
473 (_cpp_handle_directive, consider_directive_while_skipping):
474 Restructure for new directive table layout.
476 (pass_thru_directive): Take a directive number, not a pointer
477 to a struct directive.
478 (parse_include): New function, broken out of do_include.
479 (do_include, do_import, do_include_next): Use parse_include
480 and _cpp_execute_include.
481 (do_elif, do_else): Test for T_ELSE specifically when checking
482 for #elif/#else after #else.
483 (parse_ifdef): New function, broken out of do_ifdef.
484 (validate_else): Expect a name arg without a leading #.
485 (if_directive_name): Delete.
486 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
487 directive handlers with only one argument.
489 * cpphash.h: Update prototypes.
490 (enum node_type): Remove entries for directives.
491 * Makefile.in: Update dependencies.
493 * cpphash.c (dump_hash_helper): Only dump nodes of type
494 T_MACRO. Emit a newline after each definition.
496 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
498 * gccbug.in: New file.
499 * configure.in (all_outputs): Add gccbug.
500 * Makefile.in (install-common): Install gccbug.
501 (GCCBUG_INSTALL_NAME): New variable.
502 * configure: Rebuilt.
504 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
506 * function.c (put_var_into_stack): Use type_for_mode to calculate
507 part_type. Use MEM_SET_IN_STRUCT_P.
508 * expr.c (store_field): Handle CONCAT.
509 (store_constructor): Use fields_length.
510 * tree.c (fields_length): New fn.
511 * tree.h: Declare it.
513 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
515 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
516 (cpplex.o): New target.
517 * po/POTFILES.in: Add cpplex.c.
519 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
520 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
521 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
522 skip_block_comment, skip_line_comment, skip_comment,
523 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
524 _cpp_parse_name, skip_string, parse_string,
525 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
526 _cpp_get_directive_token, find_position,
527 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
528 (maybe_macroexpand, _cpp_lex_token): New functions.
530 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
531 parse_goto_mark): Delete.
532 (_cpp_handle_eof): New function.
533 (_cpp_handle_directive): Rename from handle_directive.
534 (_cpp_output_line_command): Rename from output_line_command.
535 (do_if, do_elif): Call _cpp_parse_expr directly.
536 * cppfiles.c (_cpp_read_include_file): Don't call
537 init_input_buffer here.
538 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
539 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
540 here; pop the token_buffer and skip the rest of the line here.
541 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
544 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
546 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
547 CPP_GOTO_MARK): New macros.
548 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
549 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
550 _cpp_read_and_prescan, _cpp_init_input_buffer,
551 _cpp_grow_token_buffer, _cpp_get_directive_token,
552 _cpp_handle_directive, _cpp_handle_eof,
553 _cpp_output_line_command): Prototype them here.
554 * cpplib.h (enum cpp_token): Add CPP_MACRO.
555 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
556 quote_string, output_line_command): Remove.
558 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
560 * stmt.c (expand_end_case): RANGE may be signed, and when checking
561 whether it is too large we must also verify that it isn't negative.
563 2000-03-13 Jakub Jelinek <jakub@redhat.com>
565 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
566 (movsi_zero_liveg0): Remove.
567 (movsf_insn_novis_liveg0): Remove.
569 (negsi2_not_liveg0): Rename to negsi2.
570 (one_cmplsi2): Remove.
571 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
572 (one_cmplsi2_liveg0): Remove.
573 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
574 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
575 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
576 (PREDICATE_CODES): Remove zero_operand.
577 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
578 TARGET_BROKEN_SAVERESTORE.
579 (zero_operand): Remove.
580 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
581 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
583 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
584 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
585 TARGET_BROKEN_SAVERESTORE): Remove.
586 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
588 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
590 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
593 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
595 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
597 * cpplib.c (do_pragma_implementation): Fix off-by-one error
598 truncating a string. Don't assume tokens are nul terminated.
599 Problem noted by Andreas Jaeger <aj@suse.de>
601 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
603 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
604 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
605 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
607 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
609 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
610 STRUCTURE_SIZE_BOUNDARY.
612 2000-03-13 Mark Mitchell <mark@codesourcery.com>
614 * tree.h (record_layout_info_s): New structure.
615 (record_layout_info): New type.
616 (new_record_layout_info): New function.
617 (layout_field): Likewise.
618 (finish_record_layout): Likewise.
619 * stor-layout.c (layout_record): Remove.
620 (new_record_layout_info): New function.
621 (layout_field): New function, broken out from layout_record.
622 (finalize_record_size): Likewise.
623 (compute_record_mode): Likewise.
624 (finalize_type_size): New function, broken out from layout_type.
625 (finish_record_layout): Likewise.
626 (layout_type): Use them.
628 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
630 * cpphash.c: Don't include version.h.
631 (special_symbol) [case T_VERSION]: Look for the string in
632 hp->value.cpval; don't use version_string.
633 * cppinit.c (initialize_builtins): Set hp->value.cpval for
634 __VERSION__ to version_string.
635 * Makefile.in (cpphash.o): Update deps.
637 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
639 Convert cpplib to use libiberty/hashtab.c.
641 * cpplib.h (struct cpp_reader): Make hashtab and
642 all_include_files of type 'struct htab *'. Delete HASHSIZE
643 and ALL_INCLUDE_HASHSIZE macros.
645 * cpphash.h: Update prototypes.
646 (struct hashnode): Remove next, prev, and bucket_hdr members.
647 Make length a size_t. Add hash member.
648 (struct ihash): Remove next member. Add hash member. Make
649 name a flexible array member.
651 * cppfiles.c: Include hashtab.h.
652 (include_hash): Delete.
653 (IHASHSIZE): New macro.
654 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
655 (cpp_included): Do the hash lookup here.
656 (_cpp_find_include_file): Rewrite.
657 (cpp_read_file): Put the "fake" hash entry into the hash
658 table. Honor the control_macro, if it turns out we've seen
659 the file before. Don't push the buffer here.
660 (_cpp_read_include_file): Push the buffer here.
661 (OMODES): New macro. Use it whenever we call open(2).
663 * cpphash.c: Include hashtab.h.
664 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
665 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
666 _cpp_lookup_slot): New functions.
667 (HASHSIZE): new macro.
668 (hashf, _cpp_install, _cpp_delete_macro): Delete.
669 (_cpp_lookup): Use hashtab.h routines.
671 * cppinit.c: Include hashtab.h.
672 (cpp_reader_init): Call _cpp_init_macro_hash and
673 _cpp_init_include_hash. Don't allocate hashtab directly.
674 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
675 pfile->all_include_files.
676 (initialize_builtins): Use _cpp_make_hashnode and
677 htab_find_slot to add hash entries.
678 (cpp_finish): Just call _cpp_dump_macro_hash.
679 * cpplib.c: Include hashtab.h.
680 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
682 (do_pragma_poison, do_assert): Likewise.
683 (do_include): Don't push the buffer here. Don't increment
684 system_include_depth unless _cpp_read_include_file succeeds.
685 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
687 (do_pragma_implementation): Use alloca to create copy.
689 * Makefile.in: Update dependencies.
691 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
693 * cppinit.c (cl_directive_handler): More K&R fixing.
695 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
697 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
699 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
701 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
703 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
704 Change from char[] to macros.
706 2000-03-12 Neil Booth <NeilB@earthling.net>
708 * cppinit.c (cpp_start_read): Update indirect function
711 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
713 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
716 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
717 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
719 2000-03-11 Neil Booth <NeilB@earthling.net>
721 * cppinit.c (struct pending option): Replace undef with a
722 pointer to a directive handling routine.
723 (struct cpp_pending): Replace separate assert_ and define_
724 lists with one directive_ list.
725 (new_pending_define): Rename new_pending_directive. Extra
726 argument is the directive's handling routine.
727 (handle_option): Update to use new_pending_directive.
729 2000-03-11 Neil Booth <NeilB@earthling.net>
731 * cppfiles.c (file_cleanup, _cpp_find_include_file,
732 remap_filename, _cpp_read_include_file, actual_directory,
733 hack_vms_include_specification): Replace bcopy(), index() etc
734 calls. Add casts to some allocations. Make some variables
735 pointers to const [unsigned] char.
736 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
737 collect_formal_parameters): Similarly.
738 * cppinit.c (struct pending_option, append_include_chain,
739 cpp_options_init, cpp_reader_init, initialize_standard_includes,
740 cpp_start_read, new_pending_define, handle_option): Similarly.
741 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
742 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
743 do_pragma_implementation, detect_if_not_defined,
744 do_ifdef, skip_if_group, cpp_get_token, parse_string,
745 do_assert, do_unassert): Similarly.
746 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
748 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
750 2000-03-10 Richard Henderson <rth@cygnus.com>
752 * builtins.c (expand_builtin_strlen): Revert last change.
753 Use emit_insn_before if we're at the beginning of a sequence.
755 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
757 * builtins.c (expand_builtin_strlen): Make sure that we have something
758 at the beginning of the sequence.
760 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
763 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
765 2000-03-10 Richard Henderson <rth@cygnus.com>
767 * except.c (can_throw): Use INTVAL on a CONST_INT.
768 (reachable_handlers): Likewise.
769 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
771 2000-03-10 Andreas Jaeger <aj@suse.de>
773 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
774 MD_STARTFILE_PREFIX since those are not needed on linux.
775 (ASM_FILE_START): New, from mips/gnu.h.
777 2000-03-09 Richard Henderson <rth@cygnus.com>
778 Alex Samuel <samuel@codesourcery.com> and others
780 * Makefile.in (ssa.o): New rule.
782 (STAGESTUFF): Add *.ssa and *.ussa.
783 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
784 * rtl.def (PHI): New RTL expression.
785 * rtl.h (clear_log_links): New declaration.
786 (convert_to_ssa): Likewise.
787 (convert_from_ssa): Likewise.
788 * flow.c (split_edge): If the entry node falls through to the
789 split edge's source block, split the entry edge.
790 (clear_log_links): New function.
791 * toplev.c (ssa_dump): New variable.
792 (flag_ssa): Likewise.
793 (f_options): Add "ssa".
794 (compile_file): Create SSA dump files.
795 (rest_of_compilation): Go to and from SSA if enabled.
796 (decide_d_option): Handle -de for SSA dump files.
799 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
801 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
804 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
806 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
808 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
810 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
811 (MD_STARTFILE_PREFIX_1): New macro.
813 2000-03-09 Robert Lipe <robertl@sco.com>
815 * config/ia64/ia64.c: Include system.h.
817 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
819 * except.c (nothrow_function_p): If -fno-exceptions, just return.
820 (init_eh_nesting_info): Likewise.
822 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
823 (TREE_NOTHROW): Rename from TREE_RAISES.
824 * toplev.c (rest_of_compilation): Set it.
825 * print-tree.c (print_node): Adjust.
826 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
827 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
828 * calls.c (emit_call_1): Add 'nothrow' parm. Add
829 REG_EH_REGION note as appropriate.
830 (libfunc_nothrow): New fn.
831 (emit_library_call, emit_library_call_value): Use it.
832 (expand_call): Check TREE_NOTHROW.
834 * varasm.c (make_decl_rtl): Skip initial '*' when setting
837 2000-03-09 Andreas Jaeger <aj@suse.de>
839 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
840 (TARGET_MEM_FUNCTIONS): Define.
842 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
844 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
846 * except.c (can_throw): See through a SEQUENCE.
847 (nothrow_function_p): New fn.
848 * except.h: Declare it.
849 * function.c (current_function_nothrow): New var.
850 (prepare_function_start): Initialize it.
851 * output.h: Declare it.
852 * toplev.c (rest_of_compilation): Set it.
853 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
855 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
857 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
858 match. (cpp_compare_defs): Count the nul separator when
859 advancing over argument names.
861 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
863 * recog.c (preprocess_constraints): Matching constraints affect
864 same alternative/different operand, not same operand/different
867 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
868 register and a constant specially.
870 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
872 * libgcc2.h: New file.
873 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
875 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
877 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
878 * configure: Regenerate.
881 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
883 * Makefile.in (LIBCPP_DEPS): New macro.
884 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
886 * cpperror.c: Include cpphash.h.
887 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
889 (lex): Don't use CPP_WARN_UNDEF.
890 (_cpp_parse_expr): Return an int, the truth value.
891 * cppfiles.c: Include cpphash.h.
892 (_cpp_merge_include_chains): Move to cppinit.c and make static.
893 * cppinit.c (include_defaults_array): Disentangle.
894 (cpp_cleanup): Don't free the if stack here.
895 (cpp_finish): Pop off all buffers, not just one.
896 * cpplib.c (eval_if_expr): Return int.
897 (do_xifdef): Rename do_ifdef.
898 (handle_directive): Don't use CPP_PREPROCESSED.
899 (cpp_get_token): Don't use CPP_C89.
900 * fix-header.c: Don't use CPP_OPTIONS.
902 * cpplib.h: Move U_CHAR, enum node_type, struct
903 file_name_list, struct ihash, is_idchar, is_idstart,
904 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
905 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
906 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
907 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
908 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
909 of _cpp_simplify_pathname, _cpp_find_include_file,
910 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
911 Move struct if_stack to cpplib.c. Move struct cpp_pending to
913 Change all uses of U_CHAR to be unsigned char instead.
914 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
916 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
918 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
919 (dwarf2out_begin_prologue): Set it.
920 (output_call_frame_info): Don't emit EH unwind info for leaves.
922 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
923 can occur outside of an EH region.
924 * except.c: Correct comments about rethrow behavior.
925 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
927 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
929 * flow.c (make_edges): Always call make_eh_edge for calls.
931 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
933 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
934 (struct cpp_buffer): Remove fname and underflow fields.
935 (struct cpp_reader): Remove get_token field.
936 (struct include_hash): Rename to struct ihash. Add typedef to
938 (struct if_stack): Remove fname field.
939 (IF_STACK_FRAME): Rename to IF_STACK.
941 * cpperror.c (print_containing_files): Trust that there are no
942 macro buffers below the top file buffer.
943 * cppfiles.c: Replace all references to 'struct include_hash'
944 with 'IHASH'. Rename initialize_input_buffer to
945 init_input_buffer. Don't set or reference cpp_buffer->fname,
946 use buffer->ihash->name instead.
947 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
949 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
950 IF_STACK_FRAME, IHASH not struct include_hash.
951 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
952 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
953 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
954 references to cpp_buffer->fname (delete entirely, or use
955 ->ihash->name instead) and IF_STACK->fname.
956 (cpp_push_buffer): Don't set new->underflow.
957 (do_include): Use cpp_file_buffer.
959 * cpphash.c (collect_formal_parameters): Remove duplicate
960 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
961 used as a macro argument name. Don't append "..." to namebuf
962 for varargs macros. After we're done scanning, go through
963 namebuf and make it NUL separated, not comma separated.
964 (_cpp_compare_defs): Remove register tag from variables.
965 Expect defn->argnames to be NUL separated.
966 (_cpp_dump_definition): Expect defn->argnames to be NUL
967 separated and in forward order.
968 * cpphash.h: Update documentation of argnames field.
970 2000-03-08 Richard Henderson <rth@cygnus.com>
972 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
973 to fail. Don't pre-expand the source operand.
975 * i386.md (strlensi): Initialize eoschar and align before use.
977 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
979 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
982 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
984 * mips.c (mips_expand_prologue): If the last
985 named argument is the vararg marker "va_list", treat it as
988 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
990 * dbxout.c (dbxout_parms): When correcting for promoted
991 big-endian parameters, use the mode of the DECL_RTL rather
994 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
996 * c-common.h (make_fname_decl): Declare.
997 * c-common.c (make_fname_decl): Define.
998 (declare_hidden_char_array): Remove.
999 (declare_function_name): Use make_fname_decl.
1000 * c-decl.c (c_make_fname_decl): New function.
1001 (init_decl_processing): Set make_fname_decl.
1003 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
1005 * cccp.c (handle_directive): Initialize backslash_newlines_p.
1007 2000-03-07 Philipp Thomas <pthomas@suse.de>
1009 * po/POTFILES.in: Remove cppalloc.c from file list.
1011 2000-03-07 Steve Chamberlain <sac@pobox.com>
1013 * pj.c (pj_expand_prologue): current_function->args_info is
1014 now current_function_args_info.
1016 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
1017 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
1018 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
1020 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1022 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
1023 output as hexadecimal rather than the default octal.
1025 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
1027 * cpphash.c (special_symbol): Fix thinko in previous commit.
1029 2000-03-07 Neil Booth <NeilB@earthling.net>
1031 * cppexp.c (struct operation, left_shift, right_shift,
1032 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
1033 "int"s to "unsigned int"s.
1034 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
1036 * cpplib.h: Update for above.
1037 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
1038 returned from allocations.
1040 * cppinit.c (opt_comp, parse_options): New functions.
1041 (handle_option): Use parse_option to parse a single command
1042 line option, that possibly takes an argument.
1043 (cpp_handle_options): Sort the array of command line options on
1044 first invocation (non-ASCII hosts only).
1045 (print_help): Update.
1047 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
1049 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
1050 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
1052 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
1054 * cppinit.c (cpp_cleanup): Free imp->nshort also.
1056 * cpperror.c (cpp_print_containing_files,
1057 cpp_print_file_and_line, v_cpp_message): Rename to
1058 print_containing_files, print_file_and_line, and v_message.
1059 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
1060 to _cpp_parse_expr, parse_escape, and lex.
1061 (parse_charconst): Remove broken multibyte support.
1062 * cppfiles.c (include_hash): Make static.
1063 (cpp_included): New function.
1064 (merge_include_chains, find_include_file, finclude,
1065 simplify_pathname): Rename to _cpp_merge_include_chains,
1066 _cpp_find_include_file, _cpp_read_include_file, and
1067 _cpp_simplify_pathname.
1068 * cpphash.c (cpp_lookup, free_definition, delete_macro,
1069 cpp_install, create_definition, macroexpand, compare_defs,
1070 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
1071 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
1072 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
1073 * cppinit.c (cpp_handle_option): Rename to handle_option, make
1075 * cpplib.c: Remove extern prototype of cpp_parse_expr.
1077 * cpphash.h: Update prototypes.
1078 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
1080 2000-03-07 Andrew Haley <aph@cygnus.com>
1082 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
1083 PTRDIFF_TYPE should be based solely on Pmode.
1086 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1088 * rtl.h (rtunion_def): Constify member `rtstr'.
1089 (emit_line_note_after, emit_line_note, emit_line_note_force,
1090 emit_note, decode_asm_operands): Constify.
1092 * cse.c (canon_hash): Likewise.
1094 * dbxout.c (dbxout_block): Likewise.
1096 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
1097 v_warning_for_asm): Likewise.
1099 * dwarfout.c (function_start_label): Likewise.
1101 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
1102 emit_line_note_force): Likewise.
1104 * final.c (last_filename, asm_insn_count, final_scan_insn,
1105 output_source_line): Likewise.
1107 * function.h (struct emit_status): Likewise.
1109 * gcse.c (hash_expr_1): Likewise.
1111 * genattr.c (gen_attr, main): Likewise.
1113 * genattrtab.c (struct function_unit, current_alternative_string,
1114 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
1115 attr_numeral, check_attr_test, check_attr_value,
1116 convert_set_attr_alternative, convert_set_attr,
1117 compute_alternative_mask, simplify_by_exploding, gen_attr,
1118 gen_unit): Likewise.
1120 * genflags.c (gen_insn): Likewise.
1122 * gengenrtl.c (type_from_format): Likewise.
1124 * genopinit.c (gen_insn): Likewise.
1126 * genoutput.c (n_occurrences, process_template, process_template):
1129 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
1132 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
1135 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
1136 ggc_set_mark, ggc_get_size): Likewise.
1138 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
1140 * optabs.c (init_one_libfunc): Likewise.
1142 * output.h (assemble_start_function): Likewise.
1144 * recog.c (decode_asm_operands): Likewise.
1146 * toplev.c (rest_of_compilation): Likewise.
1148 * tree.h (emit_line_note_after, emit_line_note,
1149 emit_line_note_force): Likewise.
1151 * varasm.c (asm_output_bss, asm_output_aligned_bss,
1152 asm_emit_uninitialised, assemble_start_function,
1153 assemble_variable, const_hash, compare_constant_1,
1154 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
1156 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
1158 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
1160 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
1162 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
1164 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
1165 arm_dllimport_name_p): Likewise.
1167 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
1170 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
1172 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1174 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
1175 arm_mark_dllexport, arm_mark_dllimport,
1176 arm_pe_encode_section_info): Likewise.
1178 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
1179 ASM_FINISH_DECLARE_OBJECT): Likewise.
1181 * arm/thumb.c (thumb_function_prologue): Likewise.
1183 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
1185 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1187 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
1189 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
1191 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
1193 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1195 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
1196 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
1198 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
1200 * i386/i386.c (asm_output_function_prefix): Likewise.
1202 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
1204 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1206 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
1208 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
1209 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
1210 ASM_OUTPUT_SECTION_NAME): Likewise.
1212 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
1214 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
1216 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
1218 * m32r/m32r.c (m32r_encode_section_info): Likewise.
1220 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1222 * mcore/mcore.c (mcore_encode_section_info): Likewise.
1224 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1226 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1228 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1230 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
1232 * mips/mips.md (movdi, movsi): Likewise.
1234 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1236 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1238 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1240 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
1241 ASM_OUTPUT_ASCII): Likewise.
1243 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
1244 output_mi_thunk, output_toc): Likewise.
1246 * rs6000/rs6000.md (movsi): Likewise.
1248 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
1250 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
1252 * v850/v850.c (print_operand, print_operand_address,
1253 v850_encode_data_area): Likewise.
1255 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
1257 * config/mips/mips.md (zero_extendsidi2): Always force operand
1258 one to memory for mips16.
1260 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1262 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
1263 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
1264 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
1265 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
1266 (min_precision): Result is unsigned.
1267 (add_double, neg_double, mul_double): Low word is unsigned.
1268 (lshift_double, rshift_double, lrotate_double): Likewise.
1269 (rrotate_double, div_and_round_double): Likewise.
1270 (tree_floor_log2, compare_tree_int): New functions.
1271 (preserve_rtl_expr_temps): New declaration.
1272 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
1273 (decl_attributes): Use tree_log2 to find alignment.
1274 Check for TREE_INT_CST_HIGH for format args.
1275 (min_precision): Now unsigned.
1276 Use tree_floor_log2.
1277 (truthvalue_conversion): Delete long-disabled code.
1278 * c-decl.c (finish_struct): Clean up tests on field width.
1279 (finish_function): Use compare_tree_int.
1280 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
1281 * c-typeck.c (comptypes): Use tree_int_cst_equal.
1282 (default_conversion, digest_init): Use compare_tree_int.
1283 (build_binary_op): Use integer_all_onesp and compare_tree_int.
1284 Fix type errors in forming masks.
1285 * calls.c (initialize_argument_information): Use compare_tree_int.
1286 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
1287 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
1288 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
1289 (store_field): Use compare_tree_int.
1290 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
1291 (expand_expr, case ARRAY_REF): Use compare_tree_int.
1292 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
1293 (do_store_flag): Use compare_tree_int.
1294 * fold-const.c (encode, decode): Low part is always unsigned.
1295 (force_fit_type, add_double, neg_double, mul_double): Likewise.
1296 (lshift_double, rshift_double, lrotate_double): Likewise.
1297 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
1298 (fold_convert): Use compare_tree_int.
1299 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
1300 (invert_truthvalue, case INTEGER_CST): Likewise.
1301 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
1302 * mkdeps.c (deps_dummy_targets): Make I unsigned.
1303 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
1304 (lshift_double, rshift_double, lrotate_double, rrotate_double):
1306 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
1307 (expand_end_case): Use compare_tree_int.
1308 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
1309 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
1310 (layout_decl): Likewise.
1311 (layout_record, layout_union): Make sizes unsigned.
1312 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
1313 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
1314 * tree.c (struct type_hash): hashcode is unsigned.
1315 (build_type_attribute_variant, type_hash_list): Likewise.
1316 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
1317 (attribute_hash_list, build_array_type, build_method_type): Likewise.
1318 (build_complex_type): Likewise.
1319 (real_value_from_int_cst): Remove unneeded casts.
1320 (integer_all_onesp): Add casts.
1321 (tree_floor_log2, compare_tree_int): New functions.
1322 (build_index_type): Use tree_int_cst_sgn.
1323 * varasm.c (assemble_variable): Use compare_tree_int.
1325 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
1327 * cpphash.c (collect_expansion): Also catch ## at start of macro.
1329 * varasm.c (make_decl_rtl): Don't add a number to members of
1331 (make_function_rtl): Likewise.
1333 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1335 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
1336 patch from 2000-01-28.
1338 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
1340 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
1341 filled with an insn from the jump target.
1343 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1345 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
1346 (c4x_external_ref): Likewise.
1347 * config/c4x/c4x.c (struct name_list): Likewise.
1349 1999-12-16 Ben Collins <bcollins@debian.org>
1351 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
1352 argument to genmultilib.
1353 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
1354 the contents into the multilib.h header.
1355 * gcc.c: Declare multilib_exclusions for the specs file.
1356 (set_multilib_dir): Use it.
1357 (print_multilib_info): Likewise.
1358 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
1359 to pass to genmultilib.
1361 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1363 * builtins.c (built_in_class_names, built_in_names): Constify a
1366 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
1368 (_mcleanup): Ensure value matches format specifier in sprintf.
1370 * cpphash.c (special_symbol): Don't needlessly cast away
1373 * cppinit.c (base_name): Delete unused prototype.
1375 * mkdeps.c (deps_init): Make definition K&R safe.
1377 * tree.h (built_in_class_names, built_in_names): Constify a
1380 2000-03-06 Jakub Jelinek <jakub@redhat.com>
1382 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
1383 floating point instructions for epilogue delay.
1385 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
1386 to gas if it supports .register pseudo.
1388 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
1389 LONG_DOUBLE_TYPE_SIZE if not defined.
1390 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
1391 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
1393 * gengenrtl.c: Likewise.
1394 * print-rtl.c: Likewise.
1396 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
1397 MASK_LONG_DOUBLE_128.
1398 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
1399 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
1400 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
1401 (SUBTARGET_SWITCHES): Define.
1402 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
1403 with -mlong-double-128.
1404 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
1405 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1406 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1407 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
1408 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
1409 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
1410 with -mlong-double-128.
1411 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
1412 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1413 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1414 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
1415 TARGET_LONG_DOUBLE_128): Define.
1416 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
1417 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
1418 long double on TARGET_ARCH64.
1420 2000-03-06 Mark Mitchell <mark@codesourcery.com>
1422 * function.c (free_temps_for_rtl_expr): Don't free slots
1423 that have been pushed into a higher level.
1426 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1428 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1430 * basic-block.h (ALLOCA_REG_SET): Remove.
1431 (INITIALIZE_REG_SET): New macro.
1432 * flow.c (update_life_info): Use it.
1433 (calculate_global_regs_live): Likewise.
1434 (propagate_block): Likewise.
1435 * global.c (build_insn_chain): Likewise.
1436 * haifa-sched.c (schedule_region): Likewise.
1438 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
1440 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
1441 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
1442 (DWARF_ARANGES_PAD_SIZE): New define.
1443 (output_aranges): Use it to pad the address range header.
1444 (DWARF_ROUND): Fix for non power of 2 rounding.
1446 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
1448 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
1450 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1452 * tree.def (RTL_EXPR): Update documentation.
1453 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
1454 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
1455 * function.c (preserve_rtl_expr_temp): New function.
1456 (preserve_rtl_expr_temps): Likewise.
1457 (preserve_rtl_expr_result): Use it.
1460 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1462 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
1464 * regmove.c (copy_src_to_dest) Do not create src->dest move
1465 for unchanging destination.
1467 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1469 * function.h (struct sequence_stack): Remove rtl_expr.
1470 (struct emit_staus): Likewise.
1471 (seq_rtl_expr): Remove.
1472 * tree.h (free_temps_for_rtl_expr): Don't declare.
1473 (start_sequence_for_rtl_expr): Likewise.
1474 * rtl.h (preserve_rtl_expr_result): Likewise.
1475 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
1476 (start_sequence_for_rtl_expr): Remove.
1477 (push_topmost_sequence): Don't save sequence_rtl_expr.
1478 (pop_topmost_sequence): Remove comment about not restoring it.
1479 (end_sequence): Don't set seq_rtl_expr.
1480 (init_emit): Don't initialize it.
1481 (mark_sequence_stack): Don't mark it.
1482 (mark_emit_status): Likewise.
1483 * except.c (protect_with_terminate): Use
1484 start_sequence_for_rtl_expr, not start_sequence.
1485 * expr.c (expand_expr, case RTL_EXPR): Don't call
1486 preserve_rtl_expr_result or free_temps_for_rtl_expr.
1487 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
1488 (preserve_rtl_expr_result): Remove.
1489 (free_temps_for_rtl_expr): Likewise.
1490 (pop_temp_slots): Likewise.
1491 (mark_temp_slot): Don't mark the rtl_expr.
1492 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
1493 start_sequence_for_rtl_expr.
1495 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
1497 * mkdeps.c, mkdeps.h: New files.
1498 * po/POTFILES.in: Add them.
1499 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
1500 (cpplib.o, cppinit.o): Depend on mkdeps.h.
1501 (mkdeps.o): New target.
1503 * cppfiles.c: Delete deps_output.
1504 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
1505 OBJECT_SUFFIX, and base_name.
1506 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
1508 (initialize_dependency_output): Use deps_init,
1509 deps_add_target, deps_calc_target, and deps_add_dep. Remove
1510 all the unnecessary string bashing.
1511 (cpp_finish): Use deps_write. Remove an unnecessary nesting
1513 * cpplib.c (do_include): Use deps_add_dep.
1514 * cpplib.h (struct cpp_reader): Replace deps_buffer,
1515 deps_allocated_size, deps_size, deps_column members with
1516 single pointer to a struct deps. Delete prototype of
1519 * cppinit.c: Fix thinko in previous patch.
1521 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1523 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
1524 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
1525 (mode_for_size_tree): New function.
1526 (layout_decl, layout_type): Call it and clean up BLKmode checks.
1527 * tree.h (mode_for_size_tree): New declaration.
1529 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
1531 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
1533 * stmt.c (is_body_block): Move...
1534 * dwarfout.c, dwarf2out.c: ...from here.
1535 * tree.h: Declare it.
1536 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
1537 * final.c (final_start_function): Do call remove_unnecessary_notes
1540 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1542 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
1544 * cpplib.h (_dollar_ok): New macro.
1545 (is_idchar, is_idstart): Use it.
1546 (IStable): Rename to _cpp_IStable. Declare it const if
1547 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
1548 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
1549 is_space): Update for renamed IStable.
1551 * cppinit.c: Delete all references to FAKE_CONST and CAT
1552 macros. Define init_IStable as empty macro if gcc >=2.7 or
1553 C99. Change TABLE() to ISTABLE and hardcode name of table.
1554 (cpp_start_read): Don't change the IStable based on
1557 * cpphash.c (unsafe_chars): Add pfile argument. All callers
1558 changed. Handle '$' for char1 correctly.
1559 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
1561 * cppexp.c (tokentab2): Make const.
1562 (cpp_lex): Make toktab const.
1563 * cppinit.c (include_defaults_array): Make const.
1564 (initialize_standard_includes): Make default_include const.
1566 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1568 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
1569 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
1570 (gen_decl_die): Likewise.
1571 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
1572 (output_decl): Likewise.
1574 * varasm.c (make_function_rtl): If we change the name used in the
1575 rtl, update DECL_ASSEMBLER_NAME accordingly.
1576 (make_decl_rtl): Likewise.
1578 * toplev.c (rest_of_compilation): Tweak formatting.
1580 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
1581 remove_unnecessary_notes.
1582 (debug_ignore_block): New fn.
1583 * toplev.h: Declare it.
1584 * emit-rtl.c (remove_unncessary_notes): Call it.
1585 * dwarf2out.c (dwarf2out_ignore_block): New fn.
1586 * dwarf2out.h: Declare it.
1587 * final.c (final_start_function): Don't call remove_unnecessary_notes
1588 if we did insn scheduling.
1590 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1592 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
1593 * cpplib.h: Delete SET_CPP_PEDANTIC.
1595 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1597 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
1598 result is a RECORD_TYPE.
1600 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
1602 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
1604 2000-03-03 Richard Henderson <rth@cygnus.com>
1606 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
1607 addition over compliments over shifts.
1609 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1611 * reload1.c (reload_combine_note_use): Handle return register USEs.
1612 REG case: Handle multi-hard-register hard regs.
1614 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1616 * md.texi: Document use of '*' in insn pattern name.
1618 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1620 * calls.c (special_function_p): operator new may not be malloc-like.
1622 * gcse.c (dump_hash_table): Really fix error in last change.
1624 2000-03-02 Denis Chertykov <denisc@overta.ru>
1626 * avr.c (print_operand): Use print_operand_address instead of
1628 * avr/libgcc.S: Cleanup code.
1630 2000-03-02 Richard Henderson <rth@cygnus.com>
1632 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
1634 2000-03-02 Mark Mitchell <mark@codesourcery.com>
1636 * tree.h (TYPE_ALIGN_UNIT): New macro.
1638 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
1640 * i386.c: (constant_call_address_operand): Reject CONST_INT.
1642 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
1644 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
1646 (SET_CPP_PEDANTIC): New macro.
1647 * cpplib.c (do_include): Don't bother checking system_header_p.
1648 (do_warning, do_ident, do_assert, do_unassert): Likewise.
1649 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
1651 * function.h (struct expr_status): Add x_arg_space_so_far.
1652 (arg_space_so_far): New macro.
1653 * expr.c (init_expr): Initialize it.
1654 * calls.c (emit_call_1): Reset it.
1655 (compute_argument_block_size, expand_call): Use it.
1656 (expand_call, store_one_arg): Increment it.
1658 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1660 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
1663 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
1665 * cppfiles.c (cpp_read_file): New function.
1667 * cpphash.c (collect_expansion): Make sure to reset last_token
1668 to NORM when we hit a string. Handle trailing whitespace
1669 properly when the expansion is empty.
1670 (create_definition): Disable line commands while parsing the
1672 (dump_definition): If pfile->lineno == 0, output a line
1673 command ahead of the dump, and add a trailing newline.
1675 * cppinit.c (append_include_chain): Add fifth argument, which
1676 indicates whether or not system headers are C++ aware.
1677 (initialize_standard_includes): New function,
1678 broken out of read_and_prescan. Pass 'cxx_aware' value from
1679 the include_defaults_array on to append_include_chain.
1680 (dump_special_to_buffer): Const-ify char array.
1681 (builtin_array): Don't dump __BASE_FILE__.
1682 (cpp_start_read): Use cpp_read_file. Reorder code for
1683 clarity. Don't output line commands here for -D/-A/-U
1684 switches. Don't call deps_output for files included with
1685 -include or -imacros.
1687 * cpplib.c (do_define): Don't pay any attention to the second
1689 (cpp_expand_to_buffer): Disable line commands while scanning.
1690 (output_line_command): Work in the file buffer.
1691 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
1692 Fix formatting of comments. Prototype cpp_read_file.
1694 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1696 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
1697 reference the language-equivalent of sizetype.
1698 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
1699 * fold-const.c (size_binop, size_diffop): Put back checks.
1700 * gcse.c (dump_hash_table): Fix minor error in last change.
1701 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
1702 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
1705 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
1707 * calls.c (expand_call) Do not attempt to combine stack adjustments
1708 with inhibit_defer_pop set.
1710 2000-03-01 Mark Mitchell <mark@codesourcery.com>
1712 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
1713 the DECL_SIZE for a FIELD_DECL.
1715 2000-03-01 Bruce Korb <bkorb@gnu.org>
1717 * fixinc/inclhack.tpl: remove unused symlinks
1718 * fixinc/README: GCC Maintainer info
1719 * fixinc/inclhack.sh: regen
1720 * fixinc/fixincl.sh: regen
1722 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
1724 * cpphash.c (collect_expansion): Trim trailing white space
1725 from macro definitions, but don't go past the last insertion
1728 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
1730 * i386.md (mulqi3): New pattern.
1732 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
1734 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
1736 (struct cpp_reader): Add parsing_if_directive and
1737 parsing_define_directive flags.
1738 (struct cpp_options): Remove output_conditionals flag.
1739 (check_macro_name): Delete prototype.
1741 * cpphash.h (struct macrodef): Delete.
1742 (struct reflist): Separate from struct definition.
1743 (struct definition): Remove unused fields. Add column number.
1744 (create_definition): Returns a DEFINITION *. Takes a
1745 cpp_reader * and an int.
1747 * cpphash.c (SKIP_WHITE_SPACE): Delete.
1748 (PEEKC): Copy defn from cpplib.c.
1749 (rest_extension, REST_EXTENSION_LENGTH): Delete.
1751 (struct arglist): Simplify.
1752 (collect_expansion): Rewrite. Get tokens by calling
1753 cpp_get_token. Add more error checking.
1754 (collect_formal_parameters): New function, broken out of
1755 create_definition and reworked to use get_directive_token.
1756 (create_definition): All real work is now in collect_expansion
1757 and collect_formal_parameters. do_define handles finding the
1758 macro name. Return a DEFINITION, not a MACRODEF.
1759 (macroexpand): Replace bcopy with memcpy throughout. Replace
1760 character-at-a-time copy loop with memcpy and pointer increments.
1761 (compare-defs): d1->argnames / d2->argnames might be null.
1763 * cpplib.c (copy_rest_of_line): Delete function.
1764 (skip_rest_of_line): Do all the work ourselves.
1765 (skip_string): New function.
1766 (parse_string): Use skip_string.
1767 (get_macro_name): New function.
1768 (check_macro_name): Delete.
1769 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
1770 (cpp_skip_hspace): Use CPP_BUMP_LINE.
1771 (handle_directive): ICE if we're called on a macro buffer.
1772 (do_define): Determine macro name and type (funlike/objlike)
1773 here. Expunge all uses of MACRODEF.
1774 (cpp_push_buffer): Set line_base to NULL.
1775 (do_undef, read_line_number): Don't worry about getting a POP token.
1776 (eval_if_expression): Set/reset parsing_if_directive around
1777 cpp_parse_expr. Don't clear only_seen_white.
1778 (skip_if_group): Remove output_conditionals logic. Use
1780 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
1781 tokens under appropriate conditions.
1782 (cpp_unassert): Call do_unassert not do_assert. Oops.
1784 * cppexp.c (parse_defined): New function, break out of
1786 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
1787 ourselves, with cpp_defined.
1788 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
1790 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
1791 * gcc.dg/strpaste-2.c: New.
1793 2000-02-29 Mark Mitchell <mark@codesourcery.com>
1795 * fold-const.c (size_binop): Don't asert inputs are the same and
1796 have TYPE_IS_SIZETYPE set.
1797 (size_diffop): Likewise.
1799 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
1801 * dwarfout.c (output_block): Output abstract blocks even if they
1802 don't have TREE_ASM_WRITTEN set.
1804 * calls.c (emit_library_call): Check for null REG.
1806 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
1808 * c-decl.c (current_function_decl): Move to toplev.c.
1809 (init_decl_processing): Don't add current_function_decl as a ggc
1811 * dbxout.c (dbxout_symbol): Change return type to int.
1812 (dbxout_symbol_location, dbxout_syms): Likewise.
1813 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
1814 any locals. Use current_function_func_begin_label if set.
1815 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
1816 * dwarf2out.c (dwarf2out_begin_prologue): Set
1817 current_function_func_begin_label.
1818 * final.c (final_start_function): Reset it.
1819 * toplev.c (current_function_decl): Define it here.
1820 (current_function_func_begin_label): New variable.
1821 (main): Add both as ggc roots.
1822 * tree.h (current_function_func_begin_label): Declare.
1824 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1826 * gcse.c: Cleanups throughout: mostly white-space, but also
1827 some minor rearrangement of code.
1829 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
1831 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
1832 returns a PARALLEL. Use emit_group_load and use_group_regs
1834 (emit_library_call_value): Similarly.
1836 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
1837 * pa/quadlib.asm: Remove.
1838 * pa/quadlib.c: New file.
1840 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
1841 * configure: Rebuilt.
1843 2000-02-29 Philip Blundell <pb@futuretv.com>
1845 * config/arm/conix-elf.h: New file.
1846 * configure.in (arm*-*-conix*): New configuration.
1847 * configure: Regenerate.
1849 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
1851 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
1852 don't have TREE_ASM_WRITTEN set.
1854 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1856 * Eliminate DECL_FIELD_SIZE.
1857 * builtins.c (built_in_class_names, built_in_names): New variables.
1858 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
1859 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
1860 DECL_SIZE, not DECL_FIELD_SIZE.
1861 * print-tree.c (print_node): Remove code that prints extra blank
1862 lines in some cases.
1863 Properly handle inline and builtin function cases.
1864 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
1865 * tree.h (built_in_class_named, built_in_names): New declarations.
1866 (union tree_decl): Rename internal unions to u1 and u2 and change
1867 some of their components.
1868 Add new field built_in_class.
1869 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
1870 Reflect above changes.
1871 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
1872 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
1873 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
1874 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
1876 2000-02-28 Dmitri Makarov <dim@windriver.com>
1878 * extend.texi: Document ARM's support for long/short calls.
1880 * invoke.texi: Document ARM's -mlong-calls command line switch.
1882 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
1883 (arm_encode_call_attribute): Add prototype.
1884 (arm_set_default_type_attribute): Add prototype.
1885 (arm_strip_name_encoding): Add prototype.
1887 * config/arm/arm.c (arm_init_cumulative_args): replace
1888 initialisation og 'long_calls' field with initialisation of
1889 'call_cookie' field.
1890 (enum arm_pragma_enum): New enum.
1891 (arm_pragma_long_calls): New static variable.
1892 (arm_process_pragma): Also process "#pragma long_calls_off".
1893 (arm_valid_type_attribute_p): Accept short_call attribute.
1894 (arm_comp_type_attributes): Check long/short call attributes.
1895 (arm_encode_call_attribute): New function: Encode long_call
1896 or short_call attribute in function name.
1897 (arm_set_default_type_attributes): New function: Assign
1898 default attributes to newly defined type.
1899 (current_file_function_operand): New function: Return true if
1900 the symbol is a function which has already been compiled.
1901 (arm_is_longcall_p): New function: Return true if the
1902 indicated function should be called via a long call.
1903 (arm_get_strip_length): New function. Returns number of
1904 prefix characters to be stripped from a function's name.
1905 (arm_strip_name_encoding): New function. Strip prefix characters
1906 from a function's name.
1908 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
1910 (SHORT_CALL_FAG_CHAR): Define.
1911 (LONG_CALL_FAG_CHAR): Define.
1912 (ENCODED_SHORT_CALL_ATTR_P): Define.
1913 (ENCODED_LONG_CALL_ATTR_P): Define.
1914 (ARM_NAME_ENCODING_LENGTHS): Define.
1915 (STRIP_NAME_ENCODING): Define.
1916 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
1917 (ARM_ENCODE_CALL_TYPE): Define.
1918 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
1919 (ARM_DECLARE_FUNCTION_SIZE): Define.
1920 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
1922 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
1923 if a long call is needed.
1924 (call_value): Ditto.
1925 (call_symbol): Ditto.
1927 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
1928 ARM_DECLARE_FUNCTION_SIZE.
1930 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
1931 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
1932 (ARM_STRIP_NAME_ENCODING): Undefine.
1933 (STRIP_NAME_ENCODING): Undefine.
1934 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
1935 (ASM_DECLARE_FUNCTION_NAME): Ditto.
1936 (ASM_OUTPUT_COMMON): Ditto.
1937 (ASM_DECLARE_OBJECT_NAME): Ditto.
1939 * config/arm/pe.c (arm_dllexport_name_p): Check for
1941 (arm_dllimport_name_p): Ditto.
1942 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
1943 (arm_mark_dllimport): Ditto.
1945 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1947 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
1949 2000-02-28 Mark Mitchell <mark@codesourcery.com>
1951 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
1953 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
1955 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
1956 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
1957 NO_BUILTIN_WCHAR_TYPE is not defined.
1958 (CPP_WCHAR_TYPE): Delete.
1959 * cccp.c (main): Don't change wchar_type if cplusplus.
1960 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
1962 2000-02-28 Nick Clifton <nickc@cygnus.com>
1964 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
1966 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
1968 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
1969 (ASM_WEAKEN_LABEL): Define.
1971 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
1973 * expr.c (store_constructor): Do not emit USE.
1974 * rtl.h (stupid_life_analysis): Remove.
1976 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1978 * function.c (number_blocks): Reset next_block_index based on
1979 what debugging format is used, not what is defined.
1981 * lcm.c: Minor reformatting throughout.
1982 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
1984 * toplev.c (rest_of_compilation): Account for time in
1985 optimize_mode_switching.
1987 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
1988 if only marking labels.
1990 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
1992 * calls.c (expand_call): Attempt to combine stack adjustments with
1993 pending stack adjustments.
1995 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1997 * loop.c (reg_in_basic_block_p): Don't abort when falling through
1998 to the end of the function.
2000 2000-02-27 Mark Mitchell <mark@codesourcery.com>
2002 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
2004 * final.c (next_block_index): Remove.
2005 (max_block_depth): Likewise.
2006 (pending_blocks): Likewise.
2007 (init_final): Don't initialize them.
2008 (final_start_function): Don't set next_block_index. Set up
2010 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
2011 * function.h (number_blocks): New function.
2012 * function.c (get_block_vector): New function.
2013 (identify_blocks): Use it.
2014 (reorder_blocks): Set NOTE_BLOCK.
2015 (number_blocks): New function.
2016 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
2017 * tree.h (BLOCK_NUMBER): New macro.
2018 (tree_block): Add block_num field.
2019 * dbxout.c (next_block_number): Remove.
2020 (dbxout_init): Don't set it.
2021 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
2022 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
2024 * toplev.c (rest_of_compilation): Always call
2025 find_loop_tree_blocks. Fix indentation.
2026 * dwarf2out.c (next_block_number): Remove.
2027 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
2028 to determine block numbers.
2029 (gen_inlined_subroutine_die): Likewise.
2030 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
2031 (decls_for_scope): Don't increment next_block_number.
2032 * dwarfout.c (next_block_number): Remove.
2033 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
2034 to determine block numbers.
2035 (output_inlined_subroutine_die): Likewise.
2036 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
2037 (output_decls_for_scope): Don't increment next_block_number.
2038 * sdbout.c (next_block_number): Remove.
2039 (sdbout_block): Use BLOCK_NUMBER.
2040 (sdbout_begin_block): Simplify.
2041 * xcoffout.c (next_block_number): Remove.
2042 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
2043 (xcoffout_begin_block): Don't set next_block_number.
2044 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
2047 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2049 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
2050 (expand_builtin_strcpy): Pass correct type to size_binop.
2051 (expand_builtin_strcmp): Likewise.
2052 Clean up conditional structure.
2053 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
2054 (complete_array_type): Don't use size_binop for MAXINDEX.
2055 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
2056 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
2057 (c_alignof): Use size_one_node.
2058 (build_unary_op): Pass arg of proper type to size_binop.
2059 (really_start_incremental_init, push_init_level): Use sizetype for
2060 constructor{,_bit,_unfilled}_index.
2061 (pop_init_label, output_init_element): Likewise.
2062 (output_pending_init_elements, process_init_element): Likewise.
2063 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
2064 * expr.c (store_expr): Use size_int.
2065 (store_constructor): Use proper types for size_binop args.
2066 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
2067 (expand_expr_unaligned): Likewise.
2068 (string_contant): Return object of sizetype.
2069 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
2070 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
2071 (ARGS_SIZE_TREE): Pass proper types to size_binop.
2072 * fold-const.c (int_const_binop): Refine when size_int is called.
2073 (fold_convert): Likewise.
2074 (size_int_wide): Rework to take KIND as arg, only take low order
2075 bits, handle new sizetype_tab datatype, and chain entries in
2077 (size_int_type_wide): New function.
2078 (size_binop): Validate types of arguments.
2079 (ssize_binop): Deleted.
2080 (size_diffop): New function.
2081 (extract_muldiv): Only fold division into multiplication for sizetypes.
2082 * function.c (assign_parms): Use size_diffop and make sure
2083 VAR field is of ssizetype; also pass proper type to size_binop.
2084 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
2085 (round_down): Deleted from here.
2086 * store-layout.c (sizetype_tab): Now an array.
2087 (sizetype_set, early_root_list): New variables.
2088 (variable_size): Use size_one_node.
2089 (round_up): Pass proper type to size_binop.
2090 (round_down): Moved to here and corrected as above.
2091 (layout_record): Pass proper arg types to size_binop.
2092 (layout_type): Likewise.
2093 If sizetype_set is zero, record the type just laid out.
2094 (make_unsigned_type): Don't call set_sizetype;
2095 (make_signed_type): Likewise; also, call fixup_signed_type.
2096 (initialize_sizetypes): New function.
2097 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
2098 set name of bitsizetype to "bit_size_type".
2099 Fix up type of sizes of all types made before call.
2100 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
2101 * tree.c (fix_sizetype): Deleted.
2102 (build_common_tree_nodes): Call initialize_sizetypes.
2103 (build_common_tree_nodes_2): Don't call fix_sizetype.
2104 * tree.h (TYPE_IS_SIZETYPE): New macro.
2105 (initialize_sizetype): New declaration.
2106 (enum size_type_kind): New type.
2107 (struct sizetype_tab): Deleted.
2108 (sizetype_tab): Now array; adjust sizetype macros.
2109 (size_diffop, size_int_type_wide): New functions.
2110 (size_int_wide): Change number of args and type; access macros changed.
2111 (ssize_int, sbitsize_int): New macros.
2112 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
2113 (ROUND_TYPE_SIZE_UNIT): New macro.
2115 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
2117 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
2119 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2121 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
2122 Mark as possibly unused.
2124 * cse.c (cse_insn): Delete dead code involving tablejump.
2125 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
2127 * Makefile.in (libcpp.a): Start by deleting it.
2129 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2131 * cpplib.h (enum file_change_code): Added rename_file.
2132 * cpplib.c (do_line): If a filename is given, set file_change to
2134 (output_line_command): If file_change is rename_file, always
2135 output a # directive with the file name.
2137 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
2139 2000-02-26 Mark Mitchell <mark@codesourcery.com>
2141 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
2142 when copying a PARM_DECL or RESULT_DECL.
2144 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2146 * fix-header.c (recognized_function): Also fix prototypes for
2147 functions taking "void".
2149 2000-02-26 Geoff Keating <geoffk@cygnus.com>
2151 * reload1.c (do_output_reload): Check reg_reloaded_valid before
2152 looking at reg_reloaded_contents.
2154 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
2156 * Makefile.in (STMP_FIXINC): New toggle.
2157 (LIBGCC2_DEPS): Delete all references.
2158 (stmp-headers): Delete target. All references either deleted
2159 or changed to stmp-int-headers.
2160 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
2161 (LIBCPP_OBJS): Take out cppalloc.o.
2162 (cppalloc.o): Delete target.
2163 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
2164 (gen-protos, fix-header): Link with libiberty.a.
2165 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
2168 * configure.in: Remove refs to strerror.
2169 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
2170 * system.h: Take out strerror stanza.
2172 * cpperror.c (my_strerror): Delete function.
2173 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
2174 * cppmain.c (main): Call xmalloc_set_program_name first thing.
2175 * cppalloc.c: Delete file.
2176 * gen-protos.c: Don't provide xrealloc.
2178 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
2179 xstrerror throughout.
2181 2000-02-26 Bruce Korb <bkorb@gnu.org>
2183 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
2184 match for DOS headers, too.
2185 * fixinc/inclhack.sh,fixincl.x: Regenerate.
2187 2000-02-26 Geoff Keating <geoffk@cygnus.com>
2189 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
2190 is right for most ELF targets.
2191 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
2192 Let the default file use %U properly.
2193 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
2196 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
2199 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2201 * toplev.c (documented_lang_options): Correct spelling error.
2202 (decode_d_option, decode_f_option, main): Likewise.
2204 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
2206 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
2207 to tell assembler it is permitted to expand large constants.
2209 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
2211 * protoize.c: (AUX_INFO_SUFFIX): New macro.
2212 (aux_info_suffix): Use.
2213 (SAVE_SUFFIX): New macro.
2215 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
2216 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
2217 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
2219 * invoke.texi (Running Protoize): Update documentation.
2221 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
2223 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
2225 2000-02-25 John Wehle (john@feith.com)
2227 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
2229 2000-02-25 Anthony Green <green@cygnus.com>
2231 * toplev.c (rest_of_compilation): Rebuild jump labels if
2232 combine_instructions has created a new direct jump.
2233 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
2235 (combine_instructions): Call try_combine with new argument.
2236 Return non-null value when new direct jump instruction is created.
2237 * rtl.h: combine_instructions returns an int.
2239 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
2241 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
2242 jump when changing a computed jump into a jump to a known
2245 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
2247 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
2248 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
2250 * i386.md (define_expand "clrstrsi"): Fix typo.
2252 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
2254 * rtl.texi: Fix typo.
2256 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2258 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
2259 UNITS_PER_WORD. Change caller initial_elimination_offset.
2260 (rounded_frame_size): Take into account that argument pushed has
2261 changed. Fix TARGET_ALIGN_DOUBLE problem.
2263 2000-02-25 Geoff Keating <geoffk@cygnus.com>
2265 * haifa-sched.c (schedule_block): Explain the real reason
2266 we delete REG_SAVE_NOTEs on the first insn of a block.
2267 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
2269 2000-02-24 Mark Mitchell <mark@codesourcery.com>
2271 * input.h (push_srcloc): New function.
2272 (pop_srcloc): Likewise.
2273 * toplev.c (push_srcloc): Define it.
2274 (pop_srcloc): Likewise.
2276 2000-02-24 Richard Henderson <rth@cygnus.com>
2278 * flow.c (life_analysis): When collecting reg info, clear
2281 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2283 Fix bug exposed by reload.c no longer rounding the frame
2284 size to BIGGEST_ALIGNMENT:
2285 * sh.c (rounded_frame_size): New function.
2286 (sh_expand_prologue, sh_expand_epilogue): Use it.
2287 (initial_elimination_offset): Likewise.
2289 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2291 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
2292 * sh-protos.h (sh_need_epilogue): Declare.
2293 * sh.c (sh_need_epilogue_known): New static variable.
2294 (sh_need_epilogue): New function.
2295 (function_epilogue): Clear need_epilogue_known.
2296 * sh.md (return): Split into expander / insn pattern.
2297 Make the expander conditional on ! sh_need_epilogue ().
2299 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
2301 * machmode.h (get_mode_alignment): Declare.
2302 (GET_MODE_ALIGNMENT): Call it.
2303 * stor-layout.c (get_mode_alignment): New function. Make
2304 sure alignment is always power of 2.
2306 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2308 * i386.h: Remove useless definition of "I386" and misleading
2311 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2313 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
2314 under which TREE_PERMANENT will be set.
2315 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
2316 build1): Use TREE_SET_PERMANENT.
2317 * print-tree.c (print_node): Don't report value of
2318 TREE_PERMANENT if ggc_p is true.
2320 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
2321 decide whether to give a type a new alias set.
2322 * objc/objc-act.c (build_objc_string_object): Never copy the string.
2323 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
2324 of value of 'obstack'.
2327 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2329 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
2331 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2333 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
2334 * cpplib.c (cpp_get_token): Produce them.
2335 * cppexp.c (cpp_lex): Handle them.
2337 2000-02-23 Nick Clifton <nickc@cygnus.com>
2339 * config/arm/arm.c (arm_comp_type_attributes): Simply and
2340 comment tests on type attributes.
2342 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2344 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
2345 conform to documentation.
2346 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
2347 to check for special cases.
2348 * sh-protos.h (sh_loop_align): Declare.
2349 * sh.c (sh_loop_align): Define.
2351 2000-02-22 Andrew Haley <aph@cygnus.com>
2353 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
2354 (SIZE_TYPE): Is 32 bits when using -mgp32.
2355 (PTRDIFF_TYPE): Ditto.
2357 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2359 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
2361 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2363 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
2364 BIGGEST_FIELD_ALIGNMENT a constant.
2366 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
2368 * dwarf2out.c (output_line_info): Put the marker for the end of
2369 the line number info at the actual end.
2370 (gen_struct_or_union_type_die): Use decl_function_context
2371 to check for local classes.
2372 * dwarfout.c (output_type): Likewise.
2374 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
2376 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
2377 for arguments with a mode, but no type.
2378 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
2379 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
2380 * pa/long_double.h: New file.
2381 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
2382 both have 128bit wide long doubles.
2383 * configure: Rebuilt.
2385 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2387 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
2389 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
2390 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
2391 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
2393 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
2395 * integrate.c (compare_blocks, find_block): Likewise.
2397 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
2399 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
2401 * stmt.c (stmt_status, set_file_and_line_for_stmt,
2402 expand_asm_operands): Likewise.
2404 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
2406 * predict.c (estimate_probability): Added the pointer heuristic to
2407 the collection of static branch predictors.
2409 2000-02-21 Catherine Moore <clm@cygnus.com>
2411 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
2412 * invoke.texi (-mfix7000): Document.
2414 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
2416 * diagnostic.c (init_output_buffer): Make it possible to output at
2417 least 32 characters if we're given a too long prefix.
2419 2000-02-20 Mark Mitchell <mark@codesourcery.com>
2421 * varasm.c (initializer_constant_valid_p): Call
2422 lang_expand_constant to simplify the constant.
2424 2000-02-20 Bruce Korb <bkorb@gnu.org>
2426 * fixinc/inclhack.def(stdio_va_list):
2427 typedef needs to be disabled.
2428 * fixinc/inclhack.sh: regen
2429 * fixinc/fixincl.x: regen
2431 2000-02-20 Geoff Keating <geoffk@cygnus.com>
2433 * print-rtl.c (print_rtx): Don't print addresses when
2434 flag_dump_unnumbered.
2436 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2438 * sparc.c (sparc_output_scratch_registers): Mark parameter with
2440 (sparc_va_arg, sparc_flat_output_function_prologue,
2441 sparc_flat_output_function_epilogue): Cast value to unsigned in
2443 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
2445 * sparc.md: Add default case in switch.
2447 2000-02-19 Richard Henderson <rth@cygnus.com>
2449 * c-typeck.c (add_pending_init): Don't abort for multiple
2450 fields at the same offset.
2451 (pending_init_member): Test the correct member.
2453 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2455 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
2457 (start_catch_handler) : Same.
2459 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
2461 * Makefile.in: Have flow.o depend on $(EXPR_H)
2463 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2465 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
2466 * c-decl.c (duplicate_decls, finish_enum): Likewise.
2467 (finish_decl): Remove -Wlarger-than code from here.
2468 * flags.h (id_clash_len): Now int.
2469 (larger_than_size): Now HOST_WIDE_INT.
2470 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
2471 Clean up checking to see if in table.
2472 (make_bit_field_ref): Remove extra parm to bitsize_int.
2473 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
2474 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
2475 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
2476 and for computing size of decl.
2477 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
2478 Move -Wlarger-than code to here.
2479 (layout_record): Remove extra arg to bitsize_int.
2480 Set TYPE_BINFO_SIZE_UNIT.
2481 (layout_union): Remove extra arg to bitsize_int.
2482 Use proper type for size of QUAL_UNION.
2483 (layout_type): Remove extra arg to bitsize_int.
2484 * toplev.c (id_clash_len): Now int.
2485 (larger_than_size): Now HOST_WIDE_INT.
2486 (decode_W_option): Clean up id-clash and larger-than- cases.
2487 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
2488 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
2489 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
2490 (struct tree_decl): New field size_unit.
2491 (size_int_wide): No HIGH operand; NUMBER is now signed.
2492 (size_int_2): Deleted.
2493 (size_int, bitsize_int): Don't use it and rework args.
2494 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
2496 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
2498 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
2500 2000-02-18 Geoff Keating <geoffk@cygnus.com>
2502 * invoke.texi (Warning Options): Add an explanation of why
2503 you might want the -Wfloat-equal flag.
2505 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2507 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
2508 * cppinit.c (new_pending_define): Add cast to avoid warning.
2509 * expmed.c (extract_bit_field): Likewise.
2510 * flow.c (enum reorder_skip_type): New type.
2511 (skip_insns_between_blcok): New it.
2512 Rework to avoid warning about possibly undefined variable.
2513 * function.c (assign_parms): Make thisparm_boundary unsigned.
2514 * genrecog.c (write_switch): Cast XWINT result to int.
2515 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
2516 * mips-tfile.c (init_file): Make two versions of FDR intializer:
2517 one for MIPS and one for Alpha.
2518 (get_tag, copy_object): Add casts to avoid warnings.
2519 * optabs.c (init_one_libfunc): Cast NAME to (char *).
2520 * reload.c (find_reloads): Make TYPE enum reload_type.
2521 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
2522 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
2523 * varasm.c (compare_constant_1): Add cast to avoid warning.
2524 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
2526 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
2527 Cast switch operand of size to int.
2528 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
2529 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
2532 2000-02-18 Nick Clifton <nickc@cygnus.com>
2534 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
2535 anything for an alignment of zero.
2537 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
2538 anything for an alignment of zero.
2540 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
2542 * gcc.texi (Bug Reporting): Refer to bugs.html.
2543 (Bug Lists): Likewise.
2544 * system.h (GCCBUGURL): New preprocessor define.
2545 * rtl.c (fancy_abort): Use it.
2546 * gcc.c (main): Likewise.
2548 2000-02-18 Richard Henderson <rth@cygnus.com>
2550 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
2551 (life_analysis_1): Subsume into ...
2552 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
2553 Use update_life_info for the relaxation.
2554 (update_life_info): Update REG_BASIC_BLOCK for registers live on
2555 entry and regs_live_at_setjmp.
2556 (set_noop_p): Simplify.
2557 (notice_stack_pointer_modification_1): Renamed from s/_1//.
2558 (record_volatile_insns): Split into ...
2559 (delete_noop_moves): ... here,
2560 (notice_stack_pointer_modification): ... here,
2561 (insn_dead_p): ... and here.
2562 (propagate_block): Don't query INSN_VOLATILE.
2563 (mark_used_regs): Mind !PROP_REG_INFO.
2564 * toplev.c (rest_of_compilation): Call mark_constant_function here,
2565 not in life_analysis.
2567 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
2569 * loop.c (canonicalize_condition): New function,
2570 broken out of get_condition.
2571 (get_condition): Use it.
2572 * expr.h (canonicalize_condition): Prototype it.
2574 * tree.h (tree_int_cst_msb): Declare.
2575 * tree.c (tree_int_cst_msb): New function.
2577 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2579 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
2582 * invoke.texi (-fmessage-length=n): Document.
2584 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
2586 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
2588 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2590 * function.c (thread_prologue_and_epilogue_insns): Put a line note
2593 2000-02-17 Nick Clifton <nickc@cygnus.com>
2595 * config/arm/thumb.c: Replace includes of system headers with
2596 #include "system.h".
2598 2000-02-16 Richard Henderson <rth@cygnus.com>
2600 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
2601 Add crtbeginS.o and crtendS.o.
2602 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
2603 (ENDFILE_SPEC): Use crtendS.o.
2604 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
2606 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
2607 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
2609 (__dso_handle): New variable.
2610 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
2611 bias to __CTOR_END__.
2613 2000-02-16 Richard Henderson <rth@cygnus.com>
2615 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
2617 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
2619 * longlong.h (__clz_tab): Declare as static to match definition.
2621 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
2622 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
2623 (XREF_FILE_NAME): Define.
2625 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
2626 (EH_FRAME_SECTION_ASM_OP): Define.
2627 (IDENT_ASM_OP): Define.
2628 (TEXT_SECTION_ASM_OP): Define.
2630 (CTORS_SECTION_ASM_OP): Define.
2631 (CTOR_SECTION_FUNCTION): Use it.
2632 (DTORS_SECTION_ASM_OP): Define.
2633 (DTOR_SECTION_FUNCTION): Use it.
2635 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
2637 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
2640 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
2641 debug_bb_n): New functions.
2642 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
2643 * basic-block.h: Prototype new functions.
2645 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
2647 * configure.in: Add support for avr target.
2648 * configure: Rebuilt.
2650 * invoke.texi: Add AVR invocation docs.
2651 * install.texi: Add information about AVR.
2652 * md.texi: Add AVR constraint letters description.
2653 * extend.texi: Add description for AVR specific attributes.
2655 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
2657 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
2659 2000-02-16 Nick Clifton <nickc@cygnus.com>
2661 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
2662 (make_insn_raw): Move RTL check here.
2664 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2666 * version.c: Include gansidecl.h and version.h.
2668 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
2670 * configure.in (gcc_version): When setting, narrow search to
2671 lines containing `version_string'.
2673 * Makefile.in (mainversion): Likewise.
2674 (GCC_H): New variable.
2675 (gcc.h): Delete target.
2676 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
2677 (version.o): Depend on version.h.
2678 (dbxout.o): Don't depend on gcc.h.
2680 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
2681 Michael Meissner <meissner@cygnus.com>
2683 * md.texi (Simple Constraints): Add item about whitespace.
2684 * genoutput.c (strip_whitespace): New.
2685 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
2686 strip_whitespace for constraints.
2687 Test pointer using NULL, not 0.
2689 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2691 * cpplib.c (do_line): Pedwarn for #line > 32767.
2693 * c-lex.c (readescape): Warn about '\x', but do not reject it.
2695 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
2697 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
2698 to default cpp spec.
2699 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
2700 * cpp.texi: Document __GNUC_PATCHLEVEL__.
2703 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
2706 2000-02-15 Denis Chertykov <denisc@overta.ru>
2708 * configure.in: Add support for avr target.
2710 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2712 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
2713 (sh_addr_diff_vec_mode): Don't declare.
2714 * sh.c (sh_addr_diff_vec_mode): Delete.
2716 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2718 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
2720 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2722 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
2723 (smulsi3_highpart_i): Name.
2724 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
2725 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
2726 (smulsi3_highpart, umulsi3_highpart): Likewise.
2728 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
2729 correctly independent of endianness.
2730 (mulsidi3, umulsidi3): Now define_insn. Hide details that
2731 confuse the optimizers.
2732 (mulsidi3+1, umulsidi3+1): New define_split.
2734 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
2736 * config/sh/sh.md: Guard insn splits against illegal registers.
2737 * config/sh/sh.h: Correct comment about macros.
2739 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2740 Andrew MacLeod <amacleod@cygnus.com>
2742 * Makefile.in (lcm.o): Depend on insn-attr.h.
2743 * basic-block.h (optimize_mode_switching): Declare.
2744 * lcm.c (tm_p.h, insn-attr.h): #include.
2745 (seginfo, bb_info): New structs.
2746 (antic, transp, comp, delete, insert) : New file-scope static variables.
2747 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
2748 (reg_becomes_live, optimize_mode_switching): Likewise.
2749 * tm.texi: Add description of mode switching macros.
2750 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
2752 * sh-protos.h (remove_dead_before_cse): Remove prototype.
2753 (fldi_ok, fpscr_set_from_mem): New prototypes.
2754 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
2755 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
2756 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
2757 (sh_flag_remove_dead_before_cse): Remove declaration.
2758 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
2759 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
2760 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
2761 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
2762 (barrier_align): Allow for JUMP_INSNS containing a parallel.
2763 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
2764 (fldi_ok): New function.
2765 (get_fpscr_rtx): Add fpscr_rtx as GC root.
2766 (emit_sf_insn): Only generate fpu switches when optimize < 1.
2767 (emit_df_insn): Likewise.
2768 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
2769 (sh_flag_remove_dead_before_cse): Delete.
2770 (get_free_reg, fpscr_set_from_mem): New functions.
2771 * sh.md (movdf, movsf): Remove no_new_pseudos code.
2772 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
2774 2000-02-15 Loren Rittle <ljrittle@acm.org>
2776 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
2778 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2780 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
2781 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
2783 * cccp.c: Include version.h and/or don't declare `version_string'.
2784 * collect2.c: Likewise.
2785 * alpha.c: Likewise.
2786 * arm/aof.h: Likewise.
2787 * arm/coff.h: Likewise.
2788 * arm/elf.h: Likewise.
2789 * arm/pe.h: Likewise.
2790 * arm/tcoff.h: Likewise.
2791 * arm/telf.h: Likewise.
2792 * arm/tpe.h: Likewise.
2793 * arm/vxarm.h: Likewise.
2794 * convex/convex.c: Likewise.
2795 * i386/dgux.c: Likewise.
2796 * i386/sun386.h: Likewise.
2797 * m88k/m88k.c: Likewise.
2798 * mcore/mcore-pe.h: Likewise.
2799 * mips/mips.h: Likewise.
2800 * romp/romp.h: Likewise.
2801 * sh/sh.c: Likewise.
2802 * cpphash.c: Likewise.
2803 * cppinit.c: Likewise.
2804 * dwarf2out.c: Likewise.
2805 * dwarfout.c: Likewise.
2808 * mips-tfile.c: Likewise.
2809 * protoize.c: Likewise.
2810 * toplev.c: Likewise.
2813 * version.c (version_string): Constify a char*.
2815 * version.h: New file.
2817 2000-02-14 Nick Clifton <nickc@cygnus.com>
2819 * configure.in: Add mcore-elf and mcore-pe targets.
2820 * configure: Regenerate.
2822 * NEWS: Add note that MCore port has been contributed.
2824 * invoke.texi: Document command line switches for MCore port.
2825 * install.texi: Add MCore to list of supported targets.
2827 2000-02-14 Geoff Keating <geoffk@cygnus.com>
2829 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
2830 then we will need to import the frame handling functions.
2831 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
2832 to import the frames themselves.
2834 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
2835 Jason Eckhardt <jle@cygnus.com>
2837 * basic_block.h: Added prototype for reorder_basic_blocks.
2838 * toplev.c: Changes to add -freorder-blocks and graph dump after
2839 block reordering is done.
2840 * flow.c (reorder_block_def): New structure for use during block
2842 (REORDER_BLOCK_*): New macros to access members of above structure.
2843 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
2844 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
2845 functions for block reordering.
2847 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
2849 * gcc.texi (Passes): Fix typo.
2850 * md.texi (Standard Names): Ditto.
2851 * tm.texi (Storage Layout): Ditto.
2853 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
2855 * cpplib.c (do_define): Only free the old definition if it
2858 2000-02-13 Neil Booth <NeilB@earthling.net>
2860 * cppfiles.c (read_and_prescan): When emitting deferred
2861 newlines, test speccase[] again instead of checking each
2862 possible whitespace character in turn. When we encounter \r,
2863 look behind for \n first, then ahead.
2865 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
2867 * cse.c (cse_altered): New internal flag.
2868 (cse_insn): Set it if we changed an insn.
2869 (cse_main): Clear cse_altered before each basic block.
2870 Only garbage collect if cse_altered is true afterward.
2872 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2874 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
2876 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
2878 * combine.c (simplify_comparison): Fix typo.
2880 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
2882 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
2885 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2887 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
2888 previously inserted node instead of root node. Caller changed.
2890 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2892 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
2894 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2896 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
2897 __dereg_frame_dtor): Add prototype argument.
2899 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
2901 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
2903 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
2905 * gthr-vxworks.h (__gthread_once): Likewise.
2907 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
2909 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
2911 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
2912 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
2913 stack pointer in functions w/o saved registers, output LEAVE more often
2914 on TARGET_USE_LEAVE machines.
2916 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
2918 * config/arm/arm.c (arm_init_cumulative_args); New function:
2919 Initlaise the CUMULATIE_ARGS strcuture for a function
2921 (arm_function_arg): New function: Determine where to place a
2922 function's argument. Also handles deciding the function's
2924 (current_file_function_operand): New function: Return true if
2925 the symbol is a function which has already been compiled.
2926 (arm_is_long_call_p): New function: Return true if the
2927 indicated function should be called via a long call.
2928 (arm_valid_type_attribute_p): New function: Return true if the
2929 attribute is a valid, arm specific, attribute.
2930 (arm_comp_type_attribute): New function: Return true if the
2931 two types have compatable, arm specific, attributes.
2933 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
2935 (FUNCTION_ARG): Redefine to call arm_function_arg.
2936 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
2938 (INIT_CUMULATIVE_ARGS): Redefine to call
2939 arm_init_cumulative_args.
2940 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
2942 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
2944 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
2946 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
2947 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
2948 (COMP_TYPE_ATTRIBUTES): Define.
2950 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
2951 if a long call is needed.
2952 (call_value): Call arm_is_long_call_p to decide if a long call
2954 (call_symbol): Call arm_is_long_call_p to decide if a long call
2957 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
2959 2000-02-11 Denis Chertykov <denisc@overta.ru>
2961 * README.AVR: New file with information about the avr ports.
2962 * config/avr: New directory with avr port files.
2964 2000-02-11 Andreas Jaeger <aj@suse.de>
2966 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
2968 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
2970 * cpphash.c: Fix formatting, update commentary.
2971 (dump_definition): Take three separate arguments instead of a
2972 MACRODEF structure argument.
2973 * cpphash.h: Update prototype of dump_definition.
2974 * cppinit.c (cpp_finish): Update call of dump_definition.
2976 * cpplib.c (do_define): Always create new hash entry with
2977 T_MACRO type. Remove redundant check for redefinition of
2978 poisoned identifier. Update call of dump_definition.
2979 (do_undef): Don't call check_macro_name. Rename sym_length to
2981 (do_error, do_warning): Don't use copy_rest_of_line or
2983 (do_warning): Don't use pedwarn for the actual warning,
2984 only the notice about its not being in the standard. (Fixes
2985 bug with #warning in system headers.)
2986 (do_ident): Stricter argument checking - accept only a single
2987 string after #ident. Also, macro-expand the line.
2988 (do_xifdef): Use cpp_defined. De-obfuscate.
2990 (do_pragma): Split out specific pragma handling to separate
2991 functions. Use get_directive_token. Update commentary. Do
2992 not pass on #pragma once or #pragma poison to the front end.
2993 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
2994 do_pragma_default): New.
2996 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
2998 * jump.c (jump_optimize_1): The first operand in a relational
3000 * optabs.c (emit_conditional_move): Handle relationals which
3001 have a known true/false result.
3003 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3005 * function.c (thread_prologue_and_epilogue_insns): Don't insert
3006 a RETURN insn into a block which already ends with a jump.
3008 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3010 * haifa-sched.c (BUF_LEN): Increase a lot.
3012 2000-02-11 Nick Clifton <nickc@cygnus.com>
3014 * configure.in: Add tm_p_file specification for thumb targets.
3015 * configure: Regenerate.
3017 * config/arm/thumb-protos.h: New file: Prototypes for exported
3018 functions defined in thumb.c.
3020 2000-02-11 Robert Lipe <robertl@sco.com>
3022 * Makefile.in (bootstrap-lean): Remove additional files.
3023 (bootstrap2-lean): Likewise.
3024 (VOL_FILES): List of files for above.
3026 2000-02-11 Nathan Sidwell <nathan@acm.org>
3028 * cpphash.c (special_symbol): Remove spurious argument to
3031 2000-02-11 Joel Sherrill (joel@OARcorp.com>
3033 * configure.in: (i*86-*-rtems*): Swapped elf and coff
3035 * configure: Rebuilt.
3037 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
3039 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
3041 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
3043 * pa.c, pa.h: Remove trigraph sequences within comments.
3045 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
3047 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
3049 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
3051 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
3053 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3055 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
3057 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3059 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
3060 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
3061 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
3062 (ASM_FILE_END): Use c4x_file_end.
3063 * config/c4x/c4x.c (c4x_global_label): New function.
3064 (c4x_external_ref, c4x_file_end): Likewise.
3066 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
3067 (c4x_external_ref, c4x_end_file): Likewise.
3069 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
3071 * cppexp.c: Don't include cpphash.h.
3072 (parse_charconst, cpp_lex): Use cpp_defined.
3073 (cpp_lex): Use get_directive_token throughout. Remove
3074 unnecessary cases from switch. Move assertion-handling code
3076 (cpp_parse_expr): If we see '+' or '-', check the context to
3077 determine if they are unary or binary operators. Streamline
3078 the jumps a bit. Do not call skip_rest_of_line.
3080 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
3081 static. Export get_directive_token. Update commentary.
3082 (cpp_defined): New function.
3083 (do_define): Remove reference to T_PCSTRING. Call
3084 free_definition to release memory for old definition, when
3086 (eval_if_expression): Set only_seen_white to 0 before calling
3087 cpp_parse_expr. Call skip_rest_of_line after it returns.
3088 (cpp_read_check_assertion): Don't preserve a pointer into the
3089 token buffer across a call to cpp_get_token.
3091 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
3092 * cppfiles.c (redundant_include_p): Use cpp_defined.
3093 * cpphash.c (free_definition): New function.
3094 (delete_macro): Use it. Update commentary.
3095 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
3097 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
3098 from enum node_type. Prototype cpp_defined and get_directive_token.
3099 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
3101 * fix-header.c (check_macro_names): Use cpp_defined.
3102 (read_scan_file): Set inhibit_warnings and inhibit_errors in
3103 the options structure.
3105 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3107 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
3109 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
3111 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
3112 rather than die->die_tag.
3114 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3116 * combine.c (make_extraction, force_to_mode): Avoid warning on
3117 mixed-signedness conditionals.
3118 (make_field_assignment, nonzero_bits): Likewise.
3119 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
3120 (store_split_bit_field, extract_split_bit_field): Likewise.
3121 (extract_fixed_bit_field, store_bit_field,
3122 * expr.c: Change alignment to be unsigned everywhere.
3123 (move_by_pieces, store_constructor_field, store_constructor):
3124 Alignment parm is unsigned.
3125 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3126 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
3127 (do_compare_rtx_and_jump): Likewise.
3128 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
3129 Compare align with GET_MODE_ALIGNMENT.
3130 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
3131 (get_inner_reference): Likewise.
3132 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
3133 (expand_assignment): Local vars for alignment now unsigned.
3134 (store_constructor, store_field, expand_expr, do_jump): Likewise.
3135 (do_compare_and_jump): Likewise.
3136 (store_field): Call new function expr_align.
3137 * expr.h (emit_block_move, emit_group_load, emit_group_store):
3138 Alignment arg now unsigned.
3139 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
3140 (do_compare_rtx_and_jump, store_bit_field): Likewise.
3141 (extract_bit_field): Likewise.
3142 * fold-const.c (add_double): Add cast to eliminate signedness warning.
3143 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
3144 (get_best_mode): Alignment arg is unsigned.
3145 * rtl.h (move_by_pieces): Likewise.
3146 * store-layout.c (maximum_field_alignment, set_alignment):
3148 (layout_decl): Alignment arg is now unsigned.
3149 Remove unneeded casts.
3150 (layout_record, layout_union, layout_type): Remove unneeded casts.
3151 Local alignment variables now unsigned.
3152 (get_best_mode): Alignment arg now unsigned.
3153 * tree.c (expr_align): New function.
3154 * tree.h (expr_align): Likewise.
3155 (maximum_field_alignment, set_alignment): Now unsigned.
3156 (get_inner_reference): Alignment argument is now pointer to unsigned.
3157 * varasm.c (assemble_variable): Add cast to eliminate warning.
3159 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
3161 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
3162 then store directly into op0.
3164 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
3165 the CALL_INSN, and emit the note immediately after it.
3167 2000-02-10 Nick Clifton <nickc@cygnus.com>
3169 * config/arm/thumb.md (epilogue): Include a (return) in the
3170 generated insn, and emit it using emit_jump_insn not
3173 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
3175 * function.c (assign_temp): Change zero-sized arrays to size 1.
3176 * integrate.c (expand_inline_function): Do not update
3177 stack_alignment_needed
3178 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
3179 add some sanity checking, remove optimization for function with
3182 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3184 * flow.c (mark_regs_live_at_end): Delete unused variables.
3186 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
3188 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
3189 in macro FRAME_GROWS_DOWNWARD.
3191 * stmt.c (expand_end_bindings): Delete unused variable.
3193 * unroll.c (iteration_info): Mark parameter `loop' with
3196 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3198 * fixinc/server.c (load_data): Return NULL if the marker line is
3200 (run_shell): If load_data returns NULL, retry the command once, in
3203 * configure: Rebuilt.
3205 2000-02-09 Bruce Korb <bkorb@gnu.org>
3207 * gcc/fixincludes: ** DELETED **
3208 * gcc/fixcpp: ** DELETED **
3209 * gcc/fixinc-nt.sed: ** DELETED **
3210 * gcc/just-fixinc: ** DELETED **
3211 * gcc/Makefile.in: Removed out-dated commentary
3212 * gcc/configure.in: Removed fast-fixincludes disablement.
3213 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
3215 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3216 * function.c (thread_prologue_and_epilogue_insns): Uncomment
3219 2000-02-09 Richard Henderson <rth@cygnus.com>
3221 * jump.c (delete_insn): Don't delete user labels at -O0.
3223 2000-02-09 Robert Lipe <robertl@sco.com>
3225 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
3226 Don't link with HOST_LIBS.
3228 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3230 * configure.in: Correct --help text for --with-dwarf2.
3231 Put tm-dwarf2.h after other tm files, if it's requested.
3232 * configure: Regenerate.
3233 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
3236 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3238 * cpplib.h: Provide HASHNODE typedef and forward decl of
3239 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
3240 DEFINITION, struct hashnode, struct macrodef, struct
3241 definition, scan_decls prototype, default defn of
3242 INCLUDE_LEN_FUDGE moved elsewhere.
3244 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
3245 definition, and struct hashnode moved here. Remove the unused
3246 'predefined' field from struct definition. Replace the 'args'
3247 union with its sole member. All users updated (cpphash.c).
3248 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
3249 multiple include guard.
3251 * cpphash.c (hashf): Make static; use better algorithm; drop
3252 HASHSIZE parameter; return an unsigned int.
3253 (cpp_lookup): Drop HASH parameter. PFILE parameter is
3254 used. Calculate HASHSIZE modulus here.
3255 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
3257 (create_definition): Drop PREDEFINITION parameter.
3258 * cpplib.c (do_define): Don't calculate a hash value here.
3259 Don't pass (keyword == NULL) to create_definition.
3261 * scan.h: Prototype scan_decls here.
3262 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
3263 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
3264 callers of cpp_lookup and cpp_install updated.
3266 * cpphash.c (macarg): Hoist all the flag diddling out of the
3268 (macroexpand): ... and out of the loop that calls macarg.
3269 Skip over the initial paren before macro arguments with
3270 cpp_get_non_space_token; point may be some distance before
3271 that paren. Abort if it's not there.
3273 * cpplib.c (parse_clear_mark): Delete function.
3274 (parse_set_mark, parse_goto_mark): Make static.
3275 (ACTIVE_MARK_P): New macro.
3276 (skip_block_comment, skip_line_comment): Do not bump the line
3277 if ACTIVE_MARK_P is true.
3278 (cpp_pop_buffer): The buffer to be popped may not have an
3280 (cpp_get_token): When looking for the initial paren before
3281 macro arguments, only set a mark in a file buffer, Always
3282 return to that mark before proceeding to call macroexpand or
3283 return a NAME token.
3285 * cpplib.h: Remove prototypes of parse_set_mark,
3286 parse_clear_mark, parse_goto_mark.
3287 (struct cpp_options): Rename 'put_out_comments' to
3288 'discard_comments' and invert its sense.
3289 * cppinit.c, cpphash.c, cpplib.c: All users of
3290 put_out_comments changed to use discard_comments, with
3293 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3295 * function.c (thread_prologue_and_epilogue_insns): Don't delete
3296 the edge from a block that both jumps and falls through to the
3299 2000-02-09 Scott Bambrough <scottb@netwinder.org>
3301 * config/arm/arm.md (movsi): In PIC mode, make sure that a
3302 constant source address is legitimate.
3304 2000-02-09 Philip Blundell <pb@futuretv.com>
3306 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
3309 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
3311 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
3313 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3315 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
3316 ends with a newline and a NUL. Don't be so clever manipulating
3319 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
3321 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
3322 not to BIGGEST_ALIGNMENT.
3324 2000-02-08 Geoff Keating <geoffk@cygnus.com>
3326 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
3327 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
3328 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
3329 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
3330 * frame.c (execute_cfa_insn): Handle
3331 DW_CFA_GNU_negative_offset_extended.
3333 2000-02-08 Richard Henderson <rth@cygnus.com>
3335 * flow.c (tidy_fallthru_edges): Split out from ...
3336 (delete_unreachable_blocks): ... here.
3337 (find_basic_blocks): Use it.
3339 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3341 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
3343 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
3345 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
3346 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
3347 (fix-header.o): Don't depend on cpphash.h.
3349 * scan.c (hashstr): New function.
3350 * scan.h: Prototype it.
3351 * fix-header.c: Don't include cpphash.h. Use hashstr.
3352 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
3353 hashstr. Report hash table statistics. Add private
3354 definition of xrealloc.
3356 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3358 * i386.h (TARGET_SWITCHES): Fix typo in option name.
3360 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
3362 * function.c (thread_prologue_and_epilogue_insns): Don't replace
3363 jumps with returns unless they are jumps to the fallthru block.
3365 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
3367 * i386.md (addqi3_cc): Fix contraints.
3369 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
3371 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
3373 2000-02-07 Mark Mitchell <mark@codesourcery.com>
3375 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
3376 carriage return after a macro name.
3378 2000-02-07 Fred Fish <fnf@be.com>
3380 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
3381 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
3383 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
3385 * cppfiles.c (deps_output): Count spacers in deps_column.
3387 2000-02-07 Neil Booth <NeilB@earthling.net>
3389 * cppinit.c (initialize_dependency_output): If there is no
3390 suffix, don't try to look for known suffixes. Use strrchr.
3391 (cpp_start_read): Remove duplicate initialization.
3393 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
3395 * calls.c (compute_argument_block_size): New argument
3396 preferred_stack_boundary.
3397 (expand_call): update cfun->preferred_stack_boundary, update call of
3398 compute_argument_block_size
3399 (emit_library_call): Increate cfun->preferred_stack_boundary
3400 to PREFERRED_STACK_BOUNDARY
3401 (emit_library_call_value): Likewise.
3402 * explow.c (allocate_dynamic_stack_spave): Likewise.
3403 * function.c (prepare_function_start): Set
3404 cfun->preferred_stack_boundary
3405 * function.h (struct function): Add preferred_stack_boundary field.
3406 * integrate.c (expand_inline_function): Update
3407 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
3408 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
3409 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
3411 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
3413 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
3414 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
3415 cpp_pedwarn, cpp_pedwarn_with_line,
3416 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
3417 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
3418 v_cpp_error_with_line, v_cpp_warning_with_line,
3419 cpp_message_from_errno, cpp_perror_with_name): Delete.
3421 * cpperror.c (cpp_print_containing_files): Take starting
3423 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
3424 (v_cpp_message): Now called directly by all entry points.
3426 (cpp_pfatal_with_name, cpp_message): Delete.
3427 (cpp_notice_from_errno, cpp_ice): New functions.
3428 (cpp_notice): Is now for reporting error conditions, just
3429 without an associated file.
3430 (cpp_error, cpp_error_with_line): Don't do anything if
3431 opts->inhibit_errors is on.
3432 (cpp_pedwarn_with_file_and_line): Take column argument also.
3434 * cpplib.h: Update prototypes of exported functions.
3435 (struct cpp_options): Add inhibit_errors.
3437 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
3438 non-error messages. Include intl.h.
3440 * cppinit.c, cppmain.c: Likewise. Also, use
3441 cpp_notice_from_errno instead of cpp_perror_with_name or
3442 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
3444 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
3445 report internal errors.
3447 * cpplib.c (do_define): Switch bcopy to memcpy.
3448 Give cpp_pedwarn_with_file_and_line a dummy column argument.
3450 * cpplib.c (copy_rest_of_line): Revert previous change: don't
3451 bail out early if we hit a line comment.
3453 2000-02-06 Richard Henderson <rth@cygnus.com>
3455 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
3456 * basic-block.h: Declare them.
3457 * emit-rtl.h (active_insn_p): New.
3458 (next_active_insn, prev_active_insn): Use it.
3459 * rtl.h: Declare it.
3460 * function.c (emit_return_into_block): New.
3461 (thread_prologue_and_epilogue_insns): Insert return insns instead
3462 of epilogues when possible.
3463 * jump.c (jump_optimize_1): Remove code to insert a return insn
3464 on the fallthru to the exit block.
3466 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
3467 and for non-empty stack frames.
3468 * i386.md (return): Expand to return-pop as needed.
3470 2000-02-06 Richard Henderson <rth@cygnus.com>
3472 * simplify-rtx.c (simplify_relational_operation): Canonicalize
3473 constant to op1 for testing.
3475 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3477 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
3478 (fixuns_truncqfqi2): Use it.
3480 2000-02-06 Richard Henderson <rth@cygnus.com>
3482 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
3485 * i386.md (widening and peepholes): Mask the constant instead of
3488 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3490 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
3491 input pointer before possibly branching off to the backslash
3493 * cpphash.c (macroexpand): Correctly delete \r escapes when
3494 stringifying parameters.
3495 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
3496 if we can; bail out early if we hit a line comment.
3497 (handle_directive): Treat '# 123' in an .S file just like
3498 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
3499 Return 1 for '# not_a_directive'.
3500 (get_directive_token): Pop macro buffers here, so that
3501 cpp_get_token can't sneakily move past a newline.
3503 (cpp_get_token): goto randomchar if handle_directive returns 0.
3505 * cppalloc.c: Update copyright.
3506 * cpplib.c: Merge all the static function prototypes into one
3508 * cpplib.h: Remove #if 0 block.
3510 * cpperror.c: Remove #ifdef EMACS block.
3511 * cppmain.c: Likewise.
3512 * cpphash.c: Remove #if 0 blocks.
3513 * cppinit.c: Remove #if 0 blocks, and the -lint option.
3514 * cpplib.c: Remove #if 0 blocks and code referencing
3515 pcp_inside_if or for_lint. Remove duplicate error message.
3516 Fix error messages for #else after #else or #elif. Reformat.
3517 Remove archaic TODO list.
3518 * cpplib.h: Remove pcp_inside_if and for_lint flags.
3520 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3522 * i386/osf1elf.h: Add missing backslash to multiline string.
3524 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3526 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
3528 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3530 * Makefile.in (c-common.o): Depend on $(EXPR_H).
3532 * c-common.c: Include expr.h.
3534 * c-pragma.c (mark_align_stack): Add prototype.
3536 * caller-save.c (add_stored_regs): Likewise.
3538 * combine.c (record_promoted_value): Likewise.
3540 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
3543 * cppinit.c (new_pending_define): Likewise.
3545 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
3547 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
3548 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
3549 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
3550 class_scope_p): Likewise.
3552 * dwarf2out.h (dwarf2out_set_demangle_name_func,
3553 dwarf2out_add_library_unit_info): Likewise.
3555 * ggc.h (ggc_page_print_statistics): Likewise.
3557 * haifa-sched.c (propagate_deps): Likewise.
3559 * reg-stack.c (next_flags_user, record_label_references): Likewise.
3561 * rtl.h (set_stack_check_libfunc): Likewise.
3563 * toplev.h (set_fatal_function): Likewise.
3565 * toplev.c (set_fatal_function): Delete prototype.
3567 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
3569 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3571 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
3572 (FUNC_END): Likewise.
3574 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3576 * caller-save.c: Include tm_p.h.
3578 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3580 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
3582 2000-02-04 Neil Booth <NeilB@earthling.net>
3584 * cccp.c (main): Check 'dir' for a NULL pointer before passing
3587 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
3589 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
3590 * genflags.c: Use the max_operand_1 logic from genemit.c to
3591 calculate how many arguments gen_insn prototypes have. Remove
3592 NO_MD_PROTOTYPES ifdefs from the generated file.
3593 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
3594 file. Cast gen_insn initializers to insn_gen_fn.
3595 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
3596 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
3598 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3600 * fixinc/Makefile.in (HDR): Add machname.h.
3603 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3605 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
3606 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
3607 (c4x_cpu_version): Ditto.
3608 * config/c4x/c4x-protos.h: ... here.
3610 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
3612 * dwarf2out.c (add_abstract_origin_attribute): Don't call
3613 gen_abstract_function on our context if we're a nested function.
3615 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3617 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
3618 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
3620 2000-02-04 Bruce Korb <bkorb@gnu.org>
3622 * fixinc/genfixes(machname.h):
3623 Move the functionality from gen-machine.h into this file.
3624 UNdef MN_NAME_PAT if there are no names to change.
3625 Also, be a little kinder when AutoGen is not present.
3627 * fixinc/Makefile.in(machname.h):
3628 Change the generation rule to use genfixes.
3630 * fixinc/fixfixes.c(machine_name):
3631 machine_name_fix's functionality now dependent upon whether
3632 MN_NAME_PAT is defined.
3634 * fixinc/fixtests.c(machine_name):
3637 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
3640 * fixinc/fixlib.h(mn_get_regexps):
3643 * fixinc/gen-machine.h: DELETED
3645 2000-02-04 Jan Hubicka <jh@suse.cz>
3646 Richard Henderson <rth@cygnus.com>
3648 * i386.c (SAVE_REGS_FIRST): Remove.
3649 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
3650 (ix86_compute_frame_size): Likewise.
3651 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
3652 (ix86_emit_restore_regs): Remove.
3653 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
3654 when a frame pointer is in use.
3655 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
3656 instead of pop to restore a register when profitable; emit leave
3658 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
3660 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
3661 * i386.md (prologue_allocate_stack): Remove.
3662 (epilogue_deallocate_stack): Remove.
3663 (pro_epilogue_adjust_stack): New.
3665 2000-02-04 Richard Henderson <rth@cygnus.com>
3667 * function.c (diddle_return_value): Rework to use a callback function.
3668 Use current_function_return_rtx if it's been set up.
3669 (do_clobber_return_reg, clobber_return_register): New.
3670 (do_use_return_reg, use_return_register): New.
3671 (expand_function_end): Use them.
3672 * stmt.c (expand_null_return): Likewise.
3673 * function.h: Declare them.
3674 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
3675 (mark_reg): Change arguments as appropriate for callback.
3676 * integrate.c (expand_inline_function): Revert 19 Jan change.
3678 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
3680 * tm.texi (Values in Registers): Fix typo: "fo" "for".
3681 (Misc): Say the scheduler, not the Haifa scheduler.
3683 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
3685 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
3686 when in_mem is set. Update all callers.
3688 2000-02-04 Richard Henderson <rth@cygnus.com>
3690 * i386/openbsd.h (INT_ASM_OP): Define.
3692 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
3694 * tm.texi: Fix various typos.
3696 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
3698 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
3699 (MD_STARTFILE_PREFIX_1): New macro.
3701 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
3703 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
3704 destination when needed.
3705 (strmovsi, strsetsi): New expander.
3706 (strmovsi_1, strsetsi_1): New pattern.
3707 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
3708 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
3709 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
3710 * invoke.texi (align-stringops, inline-all-stringops): Document.
3712 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
3714 * i386/netbsd.h (INT_ASM_OP): Define.
3716 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
3718 * cpplib.h (cpp_reader): Add new flag, no_directives.
3719 * cpphash.c (macarg): Set it.
3720 * cpplib.c (handle_directive): If no_directives is on and we
3721 find a directive, issue an error and discard the line.
3723 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
3725 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
3726 FP constants. Add ! TARGET_FPU check for FP constants.
3728 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
3730 * flow.c (find_basic_blocks): Don't kill label_value_list
3732 (cleanup_cfg): Kill it here.
3734 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3736 * expr.c (store_field): Ensure ALIGN is no stricter than the
3739 2000-02-02 Richard Henderson <rth@cygnus.com>
3741 * jump.c (delete_insn): Partially revert 19 Jan change;
3742 don't convert unused code labels to notes at -O0.
3744 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3746 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
3747 split_all_insns to recreate REG_LABEL notes for flow2 pass.
3749 2000-02-01 Richard Henderson <rth@cygnus.com>
3751 * i386.c (general_no_elim_operand): New.
3752 (nonmemory_no_elim_operand): New.
3753 (ix86_expand_move): Copy eliminable operands before a push.
3754 * i386-protos.h: Declare new functions.
3755 * i386.h (CAN_ELIMINATE): Simplify.
3756 (PREDICATE_CODES): Update.
3757 * i386.md (push insns): Don't allow eliminable register operands.
3759 2000-02-01 Richard Henderson <rth@cygnus.com>
3761 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
3762 replace BLKmode with DECL_RTL's mode.
3764 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
3766 * frame.c (find_fde): Convert for loop to do-while so compiler
3767 sees it's always executed at least once.
3768 * libgcc2.c (BBINBUFSIZE): Kill.
3769 (__bb_init_prg): Use fgets.
3770 (__bb_exit_trace_func): Don't paste strings.
3771 * unroll.c (unroll_loop): Initialize unroll_type, not
3772 unroll_number, and tweak logic to match.
3774 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
3776 (ix86_flags_dependant): Likewise. Disentangle control flow.
3777 (ix86_sched_reorder): Break guts out to
3778 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
3779 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
3782 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
3783 use string concatenation. Don't save and restore esi.
3785 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
3786 (machname.h): Remove script to separate file. Use two-step
3787 sequence so target is not created if script fails.
3788 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
3789 identifiers are defined.
3790 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
3791 an empty string, machine_name doesn't need to do anything at
3793 (is_cxx_header): Add more cases to regexp.
3794 * fixinc/fixlib.h: Update prototype.
3795 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
3797 * fixinc/fixincl.c: Define NO_BOGOSITY.
3799 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
3800 (hp_sysfile): Add missing comma.
3801 (math_exception): Put the wrapper ifdefs at the beginning and
3802 the end of the file.
3803 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
3805 2000-02-01 Richard Henderson <rth@cygnus.com>
3807 * sparc.c (fp_zero_operand): Turn into a normal predicate.
3808 Use CONST0_RTX. Update all callers.
3809 * sparc.h, sparc-protos.h: Update accordingly.
3810 * sparc.md (fp mov insns): Use fp_zero_operand directly
3813 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
3815 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
3818 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3820 * Makefile.in (specs.ready): New target.
3821 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
3823 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3825 * fixinc.irix: Use unique filenames for writing into /tmp,
3826 * fixinc.ptx: Likewise.
3827 * fixinc.sco: Likewise.
3828 * fixinc.svr4: Likewise.
3829 * fixinc.winnt: Likewise.
3831 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3833 * tsystem.h: New file.
3835 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
3836 s-crtS): Depend on tsystem.h.
3838 * crtstuff.c: Include tsystem.h.
3839 * frame.c: Likewise.
3840 * libgcc2.c: Likewise.
3842 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
3844 * builtins.c (expand_builtin_memset): Expand for variable sized
3847 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
3849 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
3852 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
3854 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
3856 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
3858 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
3860 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
3861 case 3->2 combining (combining with splitting) in which 2 is CC0
3862 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
3863 checked at the begining of the function with the aid of calling
3864 function 'can_combine_p'.
3866 2000-01-31 Dave Brolley <brolley@redhat.com>
3868 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
3870 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
3872 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
3875 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3877 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
3879 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
3882 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
3884 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
3885 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
3886 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
3887 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
3888 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
3889 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
3890 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
3891 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
3892 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
3893 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
3895 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
3896 Add %(cpp_cpu) to CPP_SPEC.
3898 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
3899 Add %(cc1_cpu) to CC1_SPEC.
3901 2000-01-28 Ulrich Drepper <drepper@redhat.com>
3903 * c-decl.c (c_decode_option): Accept optional numeric argument to
3904 -Wformat and set warn_format.
3905 * c-common.c: Don't emit warning about non-constant printf format
3906 string unless warn_format > 1.
3908 2000-01-30 Richard Henderson <rth@cygnus.com>
3910 * alpha.md (return_internal): Allow after reload only.
3912 2000-01-30 Richard Henderson <rth@cygnus.com>
3914 * i386.c (ix86_compute_frame_size): Omit padding1 if the
3915 local frame size is zero.
3917 2000-01-30 Richard Henderson <rth@cygnus.com>
3919 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
3920 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
3921 * alpha.md (return): Turn into an expander.
3922 (return_internal): Don't use $26.
3923 (epilogue): Emit the return insn.
3925 2000-01-30 Richard Henderson <rth@cygnus.com>
3927 * alpha.md (negtf2, abstf2): Fix word order thinko.
3929 (trunctfsf2): Avoid intermediate rounding errors.
3931 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
3933 * cppfiles.c (find_position): Drop 'colp' argument, return the
3935 (read_and_prescan): Adjust to match. Don't ever manipulate
3936 line or line_base except via find_position.
3938 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
3940 * c-parse.in: Apply Ulrich's changes from c-parse.y.
3941 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
3944 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
3946 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
3947 just print "<command line>". If 'filename' is null or an
3948 empty string, print "<stdin>" for the filename.
3949 * cpplib.c (do_define): Don't print the 'location of the
3950 previous definition' message if we're still parsing the
3952 (cpp_pedwarn_with_file_and_line): Always call
3953 cpp_file_line_for_message.
3955 2000-01-29 Mark Mitchell <mark@codesourcery.com>
3957 * flow.c (mark_regs_live_at_end): Fix typo.
3959 2000-01-28 Ulrich Drepper <drepper@redhat.com>
3961 * c-common.c: Adjust variable names, comments, help strings to c99.
3962 * c-lex.c: Likewise.
3963 * c-parse.y: Likewise.
3964 * c-tree.h: Likewise.
3966 * cpplib.h: Likewise.
3967 * c-decl.c: Likewise. Recognize options with names "*99" as well.
3968 * cppinit.c: Likewise.
3970 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3972 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
3973 * c4x.c: Define the optab rtx values.
3974 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
3975 (c4x_emit_libcall): Use new optab rtx values.
3976 (c4x_emit_libcall3): Likewise.
3977 (c4x_emit_libcall_mulhi): Likewise.
3978 * c4x-protos.h: Add prototypes for optab rtx values and change
3979 prototypes for above c4x_emit_libcall functions.
3981 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3983 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
3985 (c4x_function_prologue): Use regnames intead of float_reg_names when
3987 (c4x_function_epilogue): Likewise.
3988 (c4x_print_operand): Likewise.
3989 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
3990 * c4x.md (set_high): Disable for TARGET_TI.
3992 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3994 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
3995 of framepointer + constant to ADDR_REGS class.
3996 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
3997 * c4x.c (std_or_reg_operand): New function.
3998 * c4x-protos.h (std_or_reg_operand): Prototype it.
4000 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4002 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
4003 object names as libgcc2.c.
4004 * libgcc.S: Use newly defined names.
4006 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
4007 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
4009 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
4010 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
4011 (FLOW_LOOP_LAST_BLOCK): Likewise.
4013 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4015 * basic-block.h (struct loop): New fields 'first' and 'last'.
4016 * flow.c (flow_loops_find): Compute loop->first and loop->last.
4017 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
4018 and loop->last to check for NOTE_INSN_LOOP_END.
4020 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
4022 * predict.c (estimate_probability): Use the new FIRST and LAST fields
4023 of the loop descriptor rather than HEADER and LATCH. Also added
4024 missing break statements as well making some coding style modifications
4025 as suggested by Michael Hayes.
4027 2000-01-28 Richard Henderson <rth@cygnus.com>
4029 * flow.c (find_basic_blocks): Remove do_cleanup argument.
4030 Break out that code ...
4031 (cleanup_cfg): ... here.
4032 (commit_one_edge_insertion): Detect a return instruction being
4033 emitted to an edge. Emit a barrier following; clear fallthru.
4034 (commit_edge_insertions): Verify CFG consistency.
4035 * function.c (expand_function_start): Kill unused variable.
4036 (expand_function_end): Likewise.
4037 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
4038 to insert the epilogue.
4040 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
4041 (delete_null_pointer_checks): Likewise.
4042 * output.h: Likewise.
4043 * reg-stack.c (reg_to_stack): Likewise.
4044 * toplev.c (rest_of_compilation): Likewise. Run
4045 thread_prologue_and_epilogue_insns after rebuilding the CFG.
4047 2000-01-28 Richard Henderson <rth@cygnus.com>
4049 * Makefile.in (flow.o): Revert 24 Jan change.
4050 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
4051 FUNCTION_VALUE result to DECL_RESULT's mode.
4053 * haifa-sched.c (schedule_insns): Don't recompute reg info
4056 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
4058 * configure.in: Make --enable-cpplib the default.
4059 * configure: Regenerate.
4060 * gcc.dg/990119-1.c: No longer expected to fail.
4062 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
4064 * jump.c (jump_optimize_1): Delete an optimization that is also done
4065 by merge_blocks in flow.
4067 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4069 * diagnostic.c (build_message_string, output_printf,
4070 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
4071 (build_location_prefix): Fix non-literal format string.
4073 2000-01-27 Richard Henderson <rth@cygnus.com>
4075 * alpha.md (trunctfsf2): New.
4077 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
4079 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
4081 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
4083 * cppinit.c (cpp_handle_option): Recognize C++ comments under
4085 * cpplib.c (skip_block_comment, skip_line_comment): Split code
4087 (skip_comment) ... here. Permit C++ comments in system
4088 headers always. Warn about C++ comments in user code under
4089 -std=gnu89 -pedantic.
4090 (copy_comment): Use skip_comment.
4091 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
4093 (consider_directive_while_skipping, do_else, do_endif): Call
4094 validate_else unconditionally.
4095 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
4096 text after the conditional in a system header.
4097 * cpplib.h (struct cpp_buffer): Add flag
4098 warned_cplusplus_comments.
4100 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
4102 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
4103 Use unshare_all_rtl_1.
4104 (unshare_all_rtl_again): New function.
4105 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
4107 * function.c (purge_addressof_1): Use unshare_all_rtl_again
4108 rather than resetting the 'used' flags ourself.
4110 * toplev.c (rest_of_compilation): Add current_function_decl
4111 to the unshare_all_rtl call.
4112 * tree.h: Prototype unshare_all_rtl.
4113 * rtl.h: Prototype unshare_all_rtl_again here.
4115 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
4117 * genoutput.c (output_prologue): Include ggc.h in generated
4119 * Makefile.in (insn-output.o): Depends on ggc.h.
4121 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
4122 Hans-Peter Nilsson <hp@bitrange.com>
4124 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
4125 Remove redundant include of xm-ns32k.h.
4126 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
4127 Remove redundant include of xm-ns32k.h.
4128 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
4129 Remove redundant include of xm-ns32k.h.
4130 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
4132 * ns32k/ns32k.h: Update comment on multiply-add instructions.
4133 (TARGET_SWITCHES): Add documentation strings.
4134 (DWARF_FRAME_REGNUM): Override default definition.
4135 (REG_CLASS_CONTENTS): Add comments.
4136 (SUBSET_P): Format to reduce line length.
4137 (SMALL_REGISTER_CLASSES): Make a run time option.
4138 (GO_IF_NONINDEXED_ADDRESS): Reformat.
4139 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
4140 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
4141 (regclass_map): fix typo in comment.
4142 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
4143 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
4144 (trace, reg_or_mem_operand): Delete, unused function.
4145 (calc_address_cost): Small offsets are cheaper than large ones.
4146 (expand_block_move): Generate more efficient code when bytes is a
4147 known at compile time.
4148 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
4149 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
4150 instead of reg_or_mem_operand.
4152 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
4153 not general_operand. Similarly use "=rm" or stricter, not "=g".
4154 For input operands, use stricter constraints than "g" if not
4155 general_operand. Similarly use stricter predicate than
4156 "general_operand" when stricter constraints than "g" are present,
4157 except for matching constraints.
4158 (movstrsi): Use "memory_operand" for operands 0 and 1.
4159 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
4160 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
4161 not reg_or_mem_operand.
4162 (udivmoddisi4): Ditto.
4163 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
4164 Use nonimmediate_operand for operand 3, not register_operand.
4165 (udivmoddiqi4_internal): Use register_operand for operand 1, not
4168 2000-01-27 Fred Fish <fnf@be.com>
4170 * gthr-posix.h: Fix typo; compatibily -> compatibility.
4171 * gthr-single.h: Likewise.
4172 * gthr-solaris.h: Likewise.
4173 * gthr-vxworks.h: Likewise.
4174 * gthr-win32.h: Likewise.
4177 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
4179 * cppinit.c: Add " (cpplib)" to end of string printed by
4182 2000-01-27 Richard Henderson <rth@cygnus.com>
4184 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
4185 testing for a signed comparison.
4186 (alpha_emit_floatuns): New.
4187 * alpha-protos.h: Declare it.
4188 * alpha.md (floatunsdisf2, floatunsdidf2): New.
4189 (extendsfdf2): Tidy.
4191 2000-01-27 Jakub Jelinek <jakub@redhat.com>
4193 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
4194 no -g option specifying debugging format, default to -gstabs+.
4196 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4198 * calls.c (special_function_p): New argument fork_or_exec.
4199 (expand_call): When profile_arc_flag is set and the function
4200 is in the fork_or_exec group, call __bb_fork_func first.
4201 * libgcc2.c, _bb module (__bb_fork_func): New function.
4202 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
4204 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
4205 * tree.h (special_function_p): Update prototype.
4207 2000-01-26 Richard Henderson <rth@cygnus.com>
4209 * alpha.c (alpha_split_tfmode_pair): New.
4210 * alpha-protos.h: Declare it.
4211 * alpha.md (abstf2, negtf2): New.
4212 (movtf insn): Add input G constraint.
4213 (movtf splitter): Use alpha_split_tfmode_pair.
4215 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4217 * i386/cygwin.h: PROTO -> PARAMS.
4219 2000-01-26 Jakub Jelinek <jakub@redhat.com>
4221 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
4222 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
4223 using _Qp_cmp/_Q_cmp and testing the return value.
4224 (print_operand): Call reverse_condition_maybe_unordered if
4225 we are handling CCFPmode or CCFPEmode.
4226 Handle ORDERED, UN* and LTGT comparisons.
4227 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
4228 if not TARGET_HARD_QUAD.
4229 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
4230 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
4231 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
4232 Adjust gen_b* calls so that they reflect return comparison of
4233 sparc_emit_float_lib_cmp.
4235 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4237 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
4238 incoming operands array is large enough for one more operand.
4239 (alpha_emit_xfloating_arith): Likewise.
4241 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4243 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
4244 file with one line and no trailing newline.
4245 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
4246 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
4247 checking if the match is on the line.
4248 * fixinc/gnu-regex.c: Provide regerror not __regerror.
4250 2000-01-25 Richard Henderson <rth@cygnus.com>
4252 * sparc.c (output_cbranch): Fix accidental squashing of the
4253 fp branch pre-delay nop.
4255 2000-01-25 Richard Henderson <rth@cygnus.com>
4257 * tree.def (UNNE_EXPR): Remove.
4258 * c-typeck.c (build_binary_op): Don't handle it.
4259 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
4261 * rtl.def (UNNE): Remove.
4263 * jump.c (reverse_condition): Update accordingly.
4264 (swap_condition): Likewise.
4265 (comparison_dominates_p): Handle unordered comparisons.
4266 (reverse_condition_maybe_unordered): New.
4267 * rtl.h (reverse_condition_maybe_unordered): Declare.
4269 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
4270 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
4271 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
4272 * sparc.md (bltgt): New.
4274 2000-01-25 Nick Clifton <nickc@redhat.com>
4276 * emit-rtl.c (emit_insn): Only check machine class insns for
4277 improper emission of a RETURN.
4279 2000-01-25 Richard Henderson <rth@cygnus.com>
4281 * Makefile.in (flow.o): Depend on $(EXPR_H).
4282 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
4283 duplicate the structure of diddle_return_value for keeping regs live.
4285 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4287 * loop.c (current_loop_info): Delete.
4288 (consec_sets_invariant_p): Add loop argument, update callers.
4289 (get_condition_for_loop): Likewise.
4290 (count_nonfixed_reads, update_giv_derive): Likewise.
4291 (simplify_giv_expr, general_induction_var): Likewise.
4292 (consec_sets_giv, recombine_givs): Likewise.
4293 (move_movables): Delete loop_start and loop_end arguments,
4294 add loop argument, and update callers.
4295 (find_mem_givs, check_final_value): Likewise.
4296 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
4297 (loop_invariant_p): Rename from invariant_p, add loop argument, and
4299 (basic_induction_var): Add loop argument, delete loop_level argument,
4301 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
4302 add loop argument, and update callers.
4303 (find_splittable_regs, find_splittable_givs): Likewise.
4304 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
4305 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
4306 (biv_total_increment): Delete loop_start and loop_end arguments;
4308 (precondition_loop_p): Delete loop_start and loop_info arguments;
4310 * loop.h (get_condition_for_loop): Add loop argument.
4311 (biv_total_increment): Delete loop_start and loop_end arguments.
4312 (precondition_loop_p): Delete loop_start and loop_info arguments;
4314 (final_biv_value): Delete loop_start and loop_end arguments;
4316 (final_giv_value, back_branch_in_range_p): Likewise.
4318 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
4320 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
4322 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
4324 * Makefile.in (c-gperf.h) : Change the "See" pointer to
4325 point to the new "generated_files" doc.
4327 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
4329 * config/fp-bit.c (_unord_f2): Fix typo.
4331 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4333 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
4334 c-typeck.c, objc/objc-act.c: Remove all references to obstack
4335 functions obsoleted by GC, such as push_obstacks_nochange,
4336 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
4337 and code which existed only to decide whether or not to call
4338 them. Remove now-unused NESTED argument from start_function;
4339 all callers changed. Do not change behavior based on ggc_p.
4340 The use of the ixp_obstack in c-iterate.c and the util_obstack
4341 in objc/objc-act.c remain; these are not obsoleted by garbage
4343 * c-tree.h: Update prototype for start_function.
4345 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
4347 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
4349 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
4352 2000-01-25 Richard Henderson <rth@cygnus.com>
4354 * sparc-protos.h (select_cc_mode): Declare.
4355 * sparc.c (select_cc_mode): New. Handle unordered compares.
4356 (output_cbranch): Always reverse via code change. Handle
4357 unordered compares. Factor tests and string updates.
4358 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
4359 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
4360 * sparc.md (bunordered, bordered): New.
4361 (bungt, bunlt, buneq, bunge, bunle): New.
4363 2000-01-25 Richard Henderson <rth@cygnus.com>
4365 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
4366 * ggc-common.c (ggc_add_rtx_varray_root): New.
4367 (ggc_mark_rtx_varray): New.
4368 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
4369 functions down below ggc_mark_foo.
4370 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
4372 2000-01-25 Richard Henderson <rth@cygnus.com>
4374 * alpha.c (secondary_reload_class): Don't allocate a secondary
4375 for integral mode memories into FLOAT_REGS. Rearrange the more
4376 complicated memory expression inward.
4378 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4380 * inclhack.def: Fixes to play nicer with FreeBSD, and
4381 corrections to comments.
4382 (cxx_unready): Add select expression.
4383 (irix_sockaddr): Add bypass expression.
4384 (machine_ansi_h_va_list): New fix.
4385 (stdio_va_list): No need to edit _BSD_VA_LIST_.
4386 Split out addition of "#include <stdarg.h>" to...
4387 (stdio_stdarg_h): ... here.
4388 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
4389 to stdlib.h also. Do not munge _BSD_SIZE_T_.
4390 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
4392 (ultrix_ifdef): Tighten up select expression.
4394 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
4395 re_ct and max_mach to avoid use of shell. Make printed names
4396 match names in inclhack.def. Use static copyright date.
4397 Don't count c_test and test expressions as requiring regex_t
4398 slots. Add some commentary.
4399 * inclhack.tpl: Do not include the 'This script contains N
4400 fixup scripts' line if PROGRAM is defined. Use static
4403 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
4405 * dwarf2out.c: include "varray.h", not dyn-string.h.
4406 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
4407 (addr_const_to_string, addr_to_string): Lose.
4408 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
4409 (struct dw_val_struct): val_addr is now an rtx.
4410 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
4411 (used_rtx_varray): New varray.
4412 (dwarf2out_init): Initialize it.
4414 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
4416 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
4417 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
4418 * Makefile.in (dwarf2out.o): Update dependencies.
4420 2000-01-24 Richard Henderson <rth@cygnus.com>
4422 * i386.c (i386_dwarf_output_addr_const): New.
4423 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
4425 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
4427 * dwarfout.c (output_mem_loc_descriptor): Likewise.
4428 * i386.c (i386_simplify_dwarf_addr): New.
4429 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
4431 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
4433 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
4434 TYPE_STUB_DECL is NULL.
4436 2000-01-24 Richard Henderson <rth@cygnus.com>
4438 * builtins.c (expand_tree_builtin): Move ...
4439 * c-common.c (expand_tree_builtin): ... here.
4441 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4443 * loop.h (LOOP_INFO): New accessor macro.
4444 * basic-block.h (struct loop): Rename field `info' to `aux'.
4445 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
4446 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
4447 * unroll.c (loop_iterations, unroll_loop): Likewise.
4449 2000-01-24 Christopher Faylor <cgf@cygnus.com>
4451 * config/i386/t-cygwin: Accomodate new winsup directory layout
4452 when searching for include files.
4454 2000-01-24 Richard Henderson <rth@cygnus.com>
4456 * rtl.def: Add unordered fp comparisions.
4457 * tree.def: Likewise.
4458 * tree.h: Add ISO C 9x unordered fp comparision builtins.
4460 * builtins.c (expand_tree_builtin): New function.
4461 * c-typeck.c (build_function_call): Use it.
4462 (build_binary_op): Support unordered compares.
4463 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
4465 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
4466 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
4467 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
4468 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
4469 * jump.c (reverse_condition): Don't abort for UNLE etc, but
4471 (swap_condition): Handle unordered compares.
4472 (thread_jumps): Check can_reverse before reversing.
4473 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
4476 * optabs.c (can_compare_p): New argument CODE. Verify branch or
4477 setcc is present before acking for cmp_optab. Update all callers.
4478 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
4479 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
4480 * expr.c (expand_expr): Likewise. Support unordered compares.
4481 (do_jump, do_store_flag): Likewise.
4482 * expr.h (enum libfunc_index): Add unordered compares.
4484 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
4485 (DPBIT_FUNCS): Add _unord_df.
4486 * config/fp-bit.c (_unord_f2): New.
4487 * fp-test.c (main): Try unordered compare builtins.
4489 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
4490 * alpha.c (alpha_comparison_operator): Check mode properly.
4491 (alpha_swapped_comparison_operator): Likewise.
4492 (signed_comparison_operator): Likewise.
4493 (alpha_fp_comparison_operator): New.
4494 (alpha_emit_conditional_branch): Handle unordered compares.
4495 * alpha.h (PREDICATE_CODES): Update.
4496 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
4497 (bunordered, bordered): New.
4499 2000-01-24 Richard Henderson <rth@cygnus.com>
4501 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
4502 * alpha.md (movtf): New expander, insn, and splitter.
4504 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
4506 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
4509 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
4511 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
4512 (FIXED_REGISTERS, CALL_USED_REGISTERS,
4513 REG_ALLOC_ORDER): Add frame pointer
4514 (FRAME_POINTER_REGNUM): Set to 20
4515 (HARD_FRAME_POINTER_REGNUM): New macro.
4516 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
4517 to HARD_FRAME_POINTER.
4518 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
4519 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
4520 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
4521 (HI_REGISTER_NAMES): Add "frame".
4522 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
4523 (debug_reg): Handle FRAME_POINTER_REGNUM.
4524 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
4525 GENERAL_REGS and INDEX_REGS.
4526 * i386.c (SAVED_REGS_FIRST): new macro.
4527 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
4528 (ix86_decompose_address, memory_address_length): Likewise.
4529 (regclass_map): Add frame pointer.
4530 (call_insn_operand): Handle frame_pointer_rtx.
4531 (reg_no_sp_operand): Likewise.
4532 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
4533 (print_operand, legitimize_pic_address): Fix formating.
4534 (ix86_compute_frame_size): Make static, update prototype, new
4535 parameters padding1, padding2, use ix86_nsaved_regs, use
4536 stack_alignment_needed.
4537 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
4538 to HARD_FRAME_POINTER_REGNUM conversions.
4539 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
4540 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
4541 (print_reg): Abort on FRAME_POINTER_REGNUM
4543 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
4545 * i386.h (PREDICATE_CODES): Add aligned_operand.
4546 * i386.c (aligned_operand): New function.
4547 (ix86_aligned_p): Kill.
4548 * i386.md (movhi_1): Emit mov for aligned operands.
4549 (promoting peep2s): Use aligned_operand.
4551 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
4553 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
4554 expression to allow underscores in macro names.
4555 (fix_char_macro_defines): Increment scanning pointer.
4557 2000-01-23 Richard Henderson <rth@cygnus.com>
4559 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
4560 * alpha/osf5.h: New file.
4561 * configure.in (alpha-*-osf5): Add it to tm_file.
4563 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
4565 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
4566 (alpha_emit_xfloating_cvt, function_arg): Declare.
4567 * alpha.c (alpha_emit_conditional_branch): Call
4568 alpha_emit_xfloating_compare for TFmode compares.
4569 (alpha_lookup_xfloating_lib_func): New.
4570 (alpha_compute_xfloating_mode_arg): New.
4571 (alpha_emit_xfloating_libcall): New.
4572 (alpha_emit_xfloating_arith): New.
4573 (alpha_emit_xfloating_compare): New.
4574 (alpha_emit_xfloating_cvt): New.
4575 (print_operand): Add default abort case.
4576 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
4577 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
4578 (BIGGEST_ALIGNMENT): Increase to 128 bits.
4579 (RETURN_IN_MEMORY): True for TF/TCmode.
4580 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
4581 (FUNCTION_ARG): Move to function_arg.
4582 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
4583 (ASM_OUTPUT_LONG_DOUBLE): New.
4584 (ASM_OUTPUT_DOUBLE): Always output bits.
4585 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
4586 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
4587 (extenddftf2, trunctfdf2): New.
4589 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4591 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
4592 * config/sparc/sol2.h: ... here.
4594 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4596 * basic-block.h (struct loops): New field `levels'.
4597 * flow.c (flow_loops_level_compute): Traverse all outer loops.
4598 (flow_loop_level_compute): Initialise level to 1.
4599 (flow_loops_find): Set loops->levels.
4600 (flow_loops_dump): Print loops->levels.
4602 2000-01-23 Richard Henderson <rth@cygnus.com>
4604 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
4605 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
4607 2000-01-23 Richard Henderson <rth@cygnus.com>
4609 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
4610 * i386.h (DBX_REGISTER_NUMBER): Use them.
4611 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
4612 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
4613 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
4614 * i386/sequent.h: Kill incorrect comment.
4616 2000-01-23 Mark Mitchell <mark@codesourcery.com>
4618 * ggc-page.c (struct page_entry): Make `context_depth' an
4620 (struct globals): Likewise.
4622 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
4624 * loop.c (check_dbra_loop): When checking a loop for
4625 reversability, check the source of any stores to ensure
4626 they don't depend on an initial value.
4628 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4630 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
4632 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
4634 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
4635 'pz_scan' into scope of entire function. Only affects
4636 compiles with -DDEBUG.
4638 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
4640 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
4641 section naming to that prior to 2000-01-07 patch.
4642 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
4643 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
4644 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
4645 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
4646 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
4648 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
4650 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
4653 2000-01-21 Jim Wilson <wilson@cygnus.com>
4655 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
4656 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
4658 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
4660 * cpphash.c (change_newlines): Delete function.
4661 (struct argdata): Delete 'newlines' and 'use_count' fields.
4662 (macroexpand): Remove code referencing those fields.
4664 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4666 * loop.c (loops_info): New variable.
4667 (loop_optimize): Allocate loops->array and free it on exit.
4668 Allocate memory for loops_info and assign to each loop,
4670 (find_and_verify_loops): Do not allocate loops->array.
4672 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
4674 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
4676 2000-01-21 Jakub Jelinek <jakub@redhat.com>
4678 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
4679 pseudos if expanded after first flow.
4680 (movdi_pic_label_ref): Likewise.
4682 2000-01-20 Richard Henderson <rth@cygnus.com>
4684 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
4686 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
4688 * Makefile.in (fixinc.sh): Depend on specs.
4689 * fixinc/Makefile.in: Add rule to create machname.h.
4690 (fixlib.o): Depend on machname.h.
4691 * fixinc/fixtests.c (machine_name): New test.
4692 * fixinc/fixfixes.c (machine_name): New fix.
4693 * fixinc/fixlib.c (mn_get_regexps): New helper function for
4694 the machine_name test and fix.
4695 * fixinc/fixlib.h: Prototype it.
4696 * fixinc/inclhack.def (machine_name): Use the C test and fix.
4697 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
4699 * gcc.c (do_spec_1) [case P]: Take care not to create
4700 identifiers with three leading or trailing underscores.
4702 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
4703 (fixincl): Don't specify libraries twice on link line.
4704 (gnu-regex.o): Remove special rule.
4705 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
4706 defined by config.h. Do not define _REGEX_RE_COMP.
4707 (regcomp): Allocate and initialize a fastmap.
4708 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
4710 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
4712 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
4714 2000-01-19 Richard Henderson <rth@cygnus.com>
4716 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
4717 arguments with BB. Update all callers. Tidy line wrapping.
4719 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
4721 * emit-rtl.c (try_split): Return last_insn if we split the
4724 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
4726 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
4727 (ix86_initial_elimination_offset): Declare.
4728 * i386.c (ix86_nsaved_regs): Break out from ...
4729 (ix86_can_use_return_insn_p): ... here.
4730 (ix86_emit_save_regs): Break out from ...
4731 (ix86_expand_prologue): ... here.
4732 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
4734 (ix86_expand_epilogue): ... here.
4735 (ix86_compute_frame_size): Make static, add prototype.
4736 (ix86_initial_elimination_offset): Break out from ...
4737 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
4739 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4741 * recog.h (OUT_FCN): Delete.
4743 * vax.md: Call `get_insn_template' instead of OUT_FCN.
4745 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4747 * cppalloc.c: PROTO -> PARAMS.
4748 * cpperror.c: Likewise.
4749 * cppfiles.c: Likewise.
4750 * cpplib.c: Likewise.
4751 * cpplib.h: Likewise.
4753 * config/arm/arm-protos.h: PROTO -> PARAMS.
4754 * config/arm/arm.c: Likewise.
4755 * config/c4x/c4x.c: Likewise.
4756 * config/fr30/fr30-protos.h: Likewise.
4757 * config/nextstep.c: Likewise.
4758 * config/pa/pa.c: Likewise.
4759 * config/pj/pj.c: Likewise.
4760 * config/rs6000/rs6000.c: Likewise.
4761 * config/v850/v850-protos.h: Likewise.
4762 * config/v850/v850.c: Likewise.
4764 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4766 * i370-protos.h: New file.
4768 * i370.c: Include tm_p.h. Fix compile time warnings.
4770 * i370.h: Move prototypes to i370-protos.h. Fix compile time
4773 * i370.md: Likewise.
4775 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4777 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
4778 (target_isinf, target_isnan, eisnan): Mark parameter with
4780 (eiisinf): Wrap in INFINITY.
4781 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
4782 (ibmtoe): Remove unused variable `rndsav'.
4784 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4786 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
4787 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
4789 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
4791 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
4792 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
4793 (fix_char_macro_defines, fix_char_macro_uses): New functions.
4795 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
4796 Recognize Emacs mode markers also.
4797 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
4798 C++ comments in C++ headers. Call is_cxx_header only if
4801 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
4803 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
4804 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
4805 ... these, which use the new C fixes.
4806 (math_exception): Escape literal '+' in bypass expression.
4808 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
4811 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4813 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
4816 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4818 * loop.c (loop_optimize): Allocate loop_info structure for each loop
4819 prior to calling scan_loop.
4821 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4823 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
4824 (split_branches, calc_live_regs): Likewise.
4826 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4828 * sh.md (fpu_single, fp_mode): New attributes.
4830 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4832 * loop.c (current_loop_info): Renamed from loop_info_data
4833 and changed to a pointer.
4834 (loop_optimize): Allocate loop_info structure for each loop
4835 and initialise to zero.
4836 (scan_loop): Set current_loop_info.
4838 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
4841 2000-01-19 Richard Henderson <rth@cygnus.com>
4843 * stupid.c: Die die die.
4844 * Makefile.in (OBJS): Remove stupid.o.
4845 (stupid.o): Likewise.
4847 * except.c (emit_eh_context): Don't emit USEs for stupid.
4848 * explow.c (probe_stack_range): Likewise.
4849 * flags.h (obey_regdecls): Remove.
4850 * flow.c (find_basic_blocks): Don't run try_merge_blocks
4851 when not optimizing.
4852 (life_analysis): Limit data collection when not optimizing.
4853 (mark_regs_live_at_end): Always mark the return value registers.
4854 (mark_used_regs): Remove dummy RETURN case.
4855 (print_rtl_with_bb): Don't consult obey_regdecls.
4856 * function.c (use_variable, use_variable_after): Remove.
4857 (assign_parms): Consult optimize not obey_regdecls.
4858 (expand_function_start): Don't emit USEs for stupid.
4859 (expand_function_end): Likewise.
4860 * global.c (build_insn_chain): Export.
4861 * integrate.c (expand_inline_function): Kill return-value USE
4863 * jump.c (jump_optimize_1): Do simple jump optimizations and
4864 dead code elimination.
4865 (calculate_can_reach_end): Remove check_deleted argument.
4866 (delete_insn): Patch out insns even when not optimizing.
4867 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
4868 * rtl.h (use_variable, use_variable_after): Remove declarations.
4869 (build_insn_chain): Declare.
4870 * stmt.c (expand_value_return): Don't emit USEs for stupid.
4871 (expand_end_bindings): Likewise.
4872 (expand_decl): Likewise. Consult optimize not obey_regdecls.
4873 * toplev.c (obey_regdecls): Remove.
4874 (rest_of_compilation): Don't set it. Kill stupid in favour of
4875 flow1, local-alloc, and reload.
4876 (main): Don't set obey_regdecls.
4878 * config/nextstep.c (handle_pragma): Likewise.
4880 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
4882 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
4884 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4886 * alpha-protos.h: PROTO -> PARAMS.
4887 * alpha.c: Likewise.
4889 * h8300.c: Likewise.
4890 * i386-protos.h: Likewise.
4892 * m32r-protos.h: Likewise.
4895 * mips.md: Likewise.
4896 * gmon-sol2.c: Likewise.
4897 * sparc.c: Likewise.
4899 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4901 * ns32k-protos.h: New file.
4903 * ns32k.c: Fix compile time warnings.
4905 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
4908 * ns32k.md: Likewise.
4910 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4912 * vax-protos.h: New file.
4914 * vax.c: Fix compile time warnings.
4916 * vax.h: Move prototypes to vax-protos.h. Fix compile time
4921 * vaxv.md: Likewise.
4923 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4925 * romp-protos.h: New file.
4927 * romp.c: Fix compile time warnings.
4929 * romp.h: Move prototypes to romp-protos.h. Fix compile time
4932 * romp.md: Likewise.
4934 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4936 * we32k-protos.h: New file.
4938 * we32k.c: Fix compile time warnings.
4940 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
4943 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4945 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
4947 * except.c (eh_regs): Likewise.
4949 * final.c (output_operand): Likewise.
4951 * fold-const.c (target_isinf, target_isnan): Likewise.
4953 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
4955 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
4956 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
4958 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
4960 (clrstrsi): Rewrite.
4961 (strsethi, strsetqi): New expanders.
4962 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
4963 (cmpstrsi): Emit compare insn before cmpstrsi_1
4964 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
4965 (strlensi_1): Likewise.
4966 (cmpstrsi_1): Likewise; do not output compare.
4967 (strlen expander): Do not unroll when optimizing for size.
4968 (*subsi3_carry): Rename to subsi3_carry
4969 (addqi3_cc): New pattern.
4970 * i386.h (processor_costs): Add move_ratio field.
4971 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
4972 * i386.c (*_cost): Set move_ratio.
4973 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
4974 (x86_expand_strlensi_1): Rewrite the main loop.
4976 2000-01-17 Richard Henderson <rth@cygnus.com>
4978 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
4979 * cse.c (find_comparison_args, fold_rtx): Likewise.
4980 * integrate.c (subst_constants): Likewise.
4981 * loop.c (get_condition): Likewise.
4983 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
4985 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
4987 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4989 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
4990 (RESTORE_WARN_FLAGS): Unpack it.
4991 Change semantic type of extension to ttype.
4992 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
4993 * c-parse.y, c-parse.c, objc/objc-parse.y,
4994 objc/objc-parse.c: Regenerate.
4996 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
4998 * fixinc/fixlib.c: Add copyright notice.
4999 (compile_re): New function.
5000 * fixinc/fixlib.h: Prototype compile_re.
5002 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
5003 Use compile_re to compile regular expressions.
5005 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
5006 where the pattern matched.
5008 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
5010 (ultrix_ansi_compat): Likewise.
5011 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
5013 (interactv_add2, interactv_add3): Delete.
5014 (x11_sprintf): Don't use filename glob.
5015 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
5018 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5020 * print-rtl.c: PROTO -> PARAMS.
5022 * reg-stack.c: Likewise.
5023 * resource.c: Likewise.
5024 * sdbout.h: Likewise.
5025 * simplify-rtx.c: Likewise.
5026 * stor-layout.c: Likewise.
5027 * stupid.c: Likewise.
5028 * xcoffout.c: Likewise.
5029 * xcoffout.h: Likewise.
5031 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5033 * toplev.c: PROTO -> PARAMS.
5034 * toplev.h: Likewise.
5037 * unroll.c: Likewise.
5038 * varasm.c: Likewise.
5039 * varray.c: Likewise.
5040 * varray.h: Likewise.
5042 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5044 * reload.c: PROTO -> PARAMS.
5045 * reload.h: Likewise.
5046 * reload1.c: Likewise.
5047 * reorg.c: Likewise.
5048 * resource.h: Likewise.
5051 * rtlanal.c: Likewise.
5052 * sbitmap.h: Likewise.
5053 * sdbout.c: Likewise.
5054 * stack.h: Likewise.
5056 * system.h: Likewise.
5058 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5060 * machmode.h: PROTO -> PARAMS.
5061 * mbchar.h: Likewise.
5062 * mips-tdump.c: Likewise.
5063 * mips-tfile.c: Likewise.
5064 * optabs.c: Likewise.
5065 * output.h: Likewise.
5066 * prefix.c: Likewise.
5067 * profile.c: Likewise.
5068 * protoize.c: Likewise.
5070 * recog.c: Likewise.
5071 * recog.h: Likewise.
5072 * regclass.c: Likewise.
5073 * regmove.c: Likewise.
5076 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5078 * ggc-common.c: PROTO -> PARAMS.
5079 * ggc-page.c: Likewise.
5080 * ggc-simple.c: Likewise.
5082 * global.c: Likewise.
5083 * graph.c: Likewise.
5084 * gthr-win32.h: Likewise.
5085 * haifa-sched.c: Likewise.
5086 * halfpic.h: Likewise.
5087 * integrate.c: Likewise.
5088 * integrate.h: Likewise.
5091 * local-alloc.c: Likewise.
5095 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5097 * genattr.c: PROTO -> PARAMS.
5098 * genattrtab.c: Likewise.
5099 * gencheck.c: Likewise.
5100 * gencodes.c: Likewise.
5101 * genconfig.c: Likewise.
5102 * genemit.c: Likewise.
5103 * genextract.c: Likewise.
5104 * genflags.c: Likewise.
5105 * gengenrtl.c: Likewise.
5106 * genopinit.c: Likewise.
5107 * genoutput.c: Likewise.
5108 * genpeep.c: Likewise.
5109 * genrecog.c: Likewise.
5111 2000-01-16 Mark Mitchell <mark@codesourcery.com>
5113 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
5115 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5117 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
5118 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
5119 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
5120 * configure, config.in: Rebuilt.
5122 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
5124 * config/i386/i386.md: Add peephole to merge successive stack
5127 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
5129 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
5130 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
5131 when walking backwards to find all the parameter loads when
5132 the basic block ends in a call.
5134 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5136 * loop.c (this_loop_info): Delete.
5137 (uid_loop): Add in place of uid_loop_num. All uses updated.
5138 (loop_number_exit_count): Delete and replace with entry in loop
5139 structure. All uses updated.
5140 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
5141 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
5142 (loop_outer_loop): Likewise.
5143 (loop_invalid, loop_number_exit_labels): Likewise.
5144 (loop_used_count_register): Delete and replace with entry in
5145 loop_info structure.
5146 (find_and_verify_loops): Add loops argument.
5147 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
5148 loop_end, etc. arguments with loop structure pointer. All callers
5150 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
5151 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
5152 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
5153 (insert_bct): Likewise.
5154 (basic_induction_var): New argument level.
5155 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
5156 vtop, and cont. Add used_count_register.
5157 (uid_loop): Delete declaration.
5158 (loop_number_exit_count): Likewise.
5159 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
5160 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
5161 (loop_outer_loop, loop_used_count_register): Likewise.
5162 (loop_invalid, loop_number_exit_labels): Likewise.
5163 (unroll_loop): Replace loop_start and loop_end arguments
5164 with loop structure pointer.
5165 (loop_precondition_p, loop_iterations): Likewise.
5166 Include basic-block.h.
5167 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
5168 with loop structure pointer.
5169 (loop_precondition_p, loop_iterations): Likewise.
5170 * basic-block.h (struct loop): New entries vtop, cont,
5171 cont_dominator, start, end, top, scan_start, exit_labels,
5173 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
5175 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5177 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
5179 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
5181 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
5183 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5185 * pdp11-protos.h: New file.
5187 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
5190 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
5193 * pdp11.md: Likewise.
5197 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5199 * mn10300-protos.h: New file.
5201 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
5204 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
5207 * mn10300.md: Likewise.
5209 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5211 * mn10200-protos.h: New file.
5213 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
5216 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
5219 * mn10200.md: Likewise.
5221 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5223 * h8300-protos.h: New file.
5225 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
5228 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
5231 * h8300.md: Likewise.
5233 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5235 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
5236 (asm_emit_uninitialised): Likewise.
5238 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
5240 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
5241 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
5243 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5245 * config/mips/mips.c (override_options): Don't turn on extra
5246 alignment for mips16.
5248 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5250 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
5251 eabi, and make sure queued POSTINCREMENT rtl is emitted at
5254 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5256 * builtins.c (PAD_VARARGS_DOWN): Define.
5257 (std_expand_builtin_va_arg): Use the above macro.
5258 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
5259 * tm.texi (Register Arguments): Document the above macro.
5261 2000-01-14 Nick Clifton <nickc@cygnus.com>
5263 * emit-rtl.c (emit_insn): If checking is enabled, make sure
5264 that this function has not been used to emit a jump
5267 * jump.c (return_jump_1): Cope with being passed a null rtx.
5269 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5271 * eh-common.h: PROTO -> PARAMS.
5272 * emit-rtl.c: Likewise.
5273 * errors.c: Likewise.
5274 * errors.h: Likewise.
5275 * except.c: Likewise.
5276 * except.h: Likewise.
5277 * explow.c: Likewise.
5278 * expmed.c: Likewise.
5281 * final.c: Likewise.
5282 * fix-header.c: Likewise.
5284 * fold-const.c: Likewise.
5285 * function.c: Likewise.
5286 * function.h: Likewise.
5288 * gcov-io.h: Likewise.
5292 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5294 * sh-protos.h: New file.
5296 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
5297 Add static prototypes. Fix compile time warnings.
5299 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
5303 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5305 * arc-protos.h: New file.
5307 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
5310 * arc.h: Move prototypes to arc-protos.h. Fix compile time
5315 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5317 * dsp16xx-protos.h: New file.
5319 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
5322 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
5325 * dsp16xx.md: Likewise.
5327 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5329 * convex-protos.h: New file.
5331 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
5334 * convex.h: Move prototypes to convex-protos.h. Fix compile time
5337 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5339 * elxsi-protos.h: New file.
5341 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
5344 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
5347 * elxsi.md: Likewise.
5349 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5351 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
5352 case for moving from HI/LO/HI_LO_REG. This makes the behavior
5353 match the comment for MIPS16.
5355 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
5357 * flow.c (split_edge): Do not call set_block_for_insn if we
5358 do not have a basic_block_for_insn structure.
5360 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
5361 and destination functions are 32bit aligned within the trampoline.
5362 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
5363 (TRAMPOLINE_ALIGNMENT): Define.
5365 * cse.c (cse_insn): When changing (set (pc) (reg)) to
5366 (set (pc) (label_ref)), verify the change creates a valid insn.
5368 * fr30.c (call_operand): Tighten and rework to match rules for
5369 call RTL expressions.
5370 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
5371 * fr30.md (call patterns): Improve constraints.
5373 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
5375 * fr30.c (fr30_expand_epilogue): Revert last change.
5376 Use emit_jump_insn for the return insn.
5378 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
5379 Stan Cox <scox@cygnus.com>
5381 * predict.c: New file. Preliminary infrastructure work for static
5382 branch prediction and basic block reordering.
5383 * basic-block.h: Add prototype for estimate_probability.
5384 * Makefile.in: Add rules for predict.o.
5386 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
5388 * fixincludes (va_list): Use __not_va_list__ for the dummy.
5389 * fixinc/*: Likewise.
5391 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5393 * cccp.c: PROTO -> PARAMS.
5395 * collect2.c: Likewise.
5396 * combine.c: Likewise.
5397 * convert.h: Likewise.
5399 * dbxout.c: Likewise.
5400 * dbxout.h: Likewise.
5401 * diagnostic.c: Likewise.
5402 * doprint.c: Likewise.
5403 * dwarf2out.c: Likewise.
5404 * dwarf2out.h: Likewise.
5405 * dwarfout.c: Likewise.
5406 * dwarfout.h: Likewise.
5407 * dyn-string.h: Likewise.
5409 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5411 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
5412 macro conditionals guarding use.
5414 * dwarf2out.c: Include "tm_p.h".
5416 * function.c (locate_and_pad_parm): Mark parameter with
5418 (expand_function_end): Likewise for variable `context'.
5420 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
5422 2000-01-13 Nick Clifton <nickc@cygnus.com>
5424 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
5425 register to prevent compile time warnings.
5427 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
5429 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
5430 to avoid -Wtraditional warning.
5432 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5434 * 1750a-protos.h: New file.
5436 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
5439 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
5442 * 1750a.md: Likewise.
5444 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5446 * a29k-protos.h: New file.
5448 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
5451 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
5454 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5456 * clipper-protos.h: New file.
5458 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
5461 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
5464 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5466 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
5468 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
5470 * configure.in (--enable-new-gxx-abi): New option.
5471 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
5472 * Makefile.in (GXX_ABI_FLAG): New variable.
5473 * configure: Regenerate.
5475 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5477 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
5478 * tm.texi (FORCE_STRUCT_BLK): Document.
5479 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
5481 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
5483 * config/ns32k/ns32k.md: Revert Jan 9 change.
5485 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
5486 to a mode-test, if the predicate is address_operand.
5488 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
5490 * combine.c (if_then_else_cond): Be careful about what kinds
5491 of RTL expressions are passed to operand_subword.
5493 * flow.c (split_edge): If we have to insert a new jump, make
5494 sure to associate it with a basic block.
5496 * flow.c (commit_one_edge_insertion): A block with one successor
5497 can end in a JUMP_INSN that is not a simplejump.
5499 2000-01-12 Robert Lipe <robertl@sco.com>
5501 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
5502 (BUILD_VA_LIST_TYPE): Define.
5503 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
5506 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
5508 * cccp.c (do_pragma): Add cast to (char *).
5510 2000-01-12 Richard Henderson <rth@cygnus.com>
5511 Fred Fish <fnf@be.com>
5512 Jason Merrill <jason@cygnus.com>
5514 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
5515 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
5516 * i386/beos-elf.h, i386/beos-pe.h: New files.
5518 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
5519 * cross-make (SYSTEM_HEADER_DIR): Define using
5520 CROSS_SYSTEM_HEADER_DIR.
5522 * gcc.c (LIBRARY_PATH_ENV): Provide default.
5523 (process_command): Use it.
5524 (main): Likewise. Kill trailing = from env vars.
5525 (build_search_list): Put it back.
5526 * collect2.c (main): Use LIBRARY_PATH_ENV.
5528 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
5529 * toplev.c: Use NEED_DECLARATION_ENVIRON.
5531 * tm.texi (Frame Layout): Document SMALL_STACK.
5532 * c-common.c (c_common_nodes_and_builtins): Check it.
5534 * system.h: Undef alloca after including glibc's <stdlib.h>,
5535 if USE_C_ALLOCA is defined.
5537 * gcc.c (set_input): New fn.
5538 (main): After all input files are compiled, reset the input file
5541 * aclocal.m4 (rindex, index): If already defined, don't attempt
5544 * ginclude/varargs.h: (__va_list__): Define ifndef.
5545 * ginclude/stdarg.h: Likewise.
5547 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
5548 instead of unsigned char.
5550 * hash.h (true, false, boolean): Undef before enum.
5552 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
5553 proper type of "HOST_WIDE_INT *", rather than their natural type of
5554 "unsigned HOST_WIDE_INT *".
5556 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5558 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
5560 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
5562 * regclass.c (choose_hard_reg_mode): Likewise.
5564 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
5566 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
5568 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5570 * c-common.c: PROTO -> PARAMS.
5571 * c-common.h: Likewise.
5572 * c-decl.c: Likewise.
5573 * c-iterate.c: Likewise.
5574 * c-lang.c: Likewise.
5575 * c-lex.c: Likewise.
5576 * c-lex.h: Likewise.
5577 * c-parse.in: Likewise.
5578 * c-pragma.c: Likewise.
5579 * c-pragma.h: Likewise.
5580 * c-tree.h: Likewise.
5581 * c-typeck.c: Likewise.
5582 * objc/objc-act.c: Likewise.
5583 * objc/objc-act.h: Likewise.
5585 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5587 * m88k-protos.h: New file.
5589 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
5592 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
5594 * m88k.md: Likewise.
5596 * tekXD88.h: Likewise.
5598 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5600 * m68k-protos.h: New file.
5602 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
5605 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
5607 * mot3300.h: Likewise.
5609 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
5611 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
5613 (extract_bitlist): Declare bitlen.
5615 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
5617 * cccp.c: Accept and ignore -lang-fortran.
5619 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
5620 qualifiers don't match at any level of pointerness.
5622 2000-01-12 Robert Lipe <robertl@sco.com>
5624 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
5626 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
5628 * reload1.c (reload_reg_unavailable): New static variable.
5629 (reload_reg_free_p): Test it.
5630 (reload_reg_free_for_value_p): Test it instead of
5632 (choose_reload_regs_init): Compute it.
5634 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
5636 * reorg.c (fill_slots_from_thread): Check modified_in_p
5639 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
5641 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
5642 these nodes even if INTERNALS is not set.
5644 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
5646 * gcse.c (delete_null_pointer_checks_1): Cope when
5647 get_condition cannot determine the condition.
5649 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
5651 * toplev.h (set_message_length): Declare.
5653 * diagnostic.c (obstack_chunk_alloc): Define macro.
5654 (obstack_chunk_free): Likewise.
5655 (struct output_buffer): New data structure.
5657 (output_maximum_width): New variable.
5658 (doing_line_wrapping, set_message_length, init_output_buffer,
5659 get_output_prefix, output_space_left, emit_output_prefix,
5660 output_newline, output_append, output_puts, dump_output,
5661 vbuild_message_string, build_message_string, build_location_prefix,
5662 voutput_notice, output_printf, line_wrapper_printf,
5663 vline_wrapper_message_with_location): New functions. Implement
5664 automatic line wrapping.
5665 (v_message_with_decl): Make it handle automatic line wrapping.
5666 (v_error_with_file_and_line): Likewise.
5667 (v_warning_with_file_and_line): Likewise.
5668 (announce_function): Likewise.
5669 (default_print_error_function): Likewise.
5671 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
5673 * cpplib.h (struct cpp_options): Change lang_asm to char.
5675 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
5676 done in cpp_handle_option now.
5677 (initialize_builtins): Take out special case code used only by
5679 (cpp_handle_option): Turn off trigraphs and trigraph warnings
5680 if -traditional. Recognize -lang-fortran and set
5681 lang_fortran, also turn off cplusplus_comments.
5682 (print_help): Document -lang-fortran.
5683 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
5684 lang_asm. Ignore all directives other than `# 123 "file"' if
5686 (cpp_get_token): If -traditional, don't recognize directives
5687 unless the # is in column 1.
5688 (parse_string): If lang_fortran or lang_asm, silently
5689 terminate strings ('' or "") at end of line.
5690 Remove unnecessary braces.
5692 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5693 Richard Henderson <rth@cygnus.com>
5695 * resource.c (mark_referenced_resources): Mark a set strict_low_part
5697 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
5698 strict_low_part when possible.
5700 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5702 * alias.c: PROTO -> PARAMS.
5703 * basic-block.h: Likewise.
5704 * bitmap.c: Likewise.
5705 * bitmap.h: Likewise.
5706 * builtins.c: Likewise.
5707 * c-aux-info.c: Likewise.
5708 * caller-save.c: Likewise.
5709 * calls.c: Likewise.
5711 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5713 * Makefile.in (toplev.o): Depend on regs.h.
5715 * output.h (tdesc_section): Prototype.
5717 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
5719 * sdbout.c: Include "tm_p.h".
5721 * toplev.c: Include "regs.h".
5723 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
5725 * unroll.c (unroll_loop): Add EH support.
5727 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5729 * pa-protos.h: New file.
5731 * pa.c: Include recog.h and tm_p.h.
5732 (compute_zdepwi_operands, compute_movstrsi_length,
5733 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
5734 find_addr_reg, import_milli): Add static prototypes.
5735 (pa_cpu_string, pa_arch_string): Constify a char*.
5736 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
5737 (read_only_operand): Add argument `mode'.
5738 (singlemove_string, output_move_double, output_fp_move_double,
5739 output_block_move, output_and, output_ior, output_ascii,
5740 remove_useless_addtr_insns, milli_names, output_mul_insn,
5741 output_div_insn, output_mod_insn, output_arg_descriptor,
5742 output_cbranch, output_bb, output_bvb, output_dbra, ,
5743 output_millicode_call, output_call, hppa_encode_label,
5744 output_parallel_movb, output_parallel_addb): Constify a char*.
5745 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
5746 (output_parallel_addb): Remove extra arg to `constrain_operands'
5748 * pa.h: Move all prototypes to pa-protos.h.
5749 (pa_cpu_string, pa_arch_string): Constify a char*.
5750 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
5752 * pa.md: Call `function_label_operand' with mode argument.
5753 Likewise for `read_only_operand'.
5754 Fix nesting of parens in call to `symbolic_operand'.
5756 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5758 * i860-protos.h: New file.
5760 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
5763 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
5765 * i860.md: Likewise.
5767 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
5769 * i386.md (movstrsi expander): Rewrite.
5770 (movstrsi_1 insn): Deleted.
5771 (strmovhi, strmovqi expander): New expanders.
5772 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
5773 * i386.c (x86_single_stringop): New global variable.
5774 * i386.h (x86_single_stringop): Declare.
5775 (TARGET_SINGLE_STRINGOP): New macro.
5777 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5779 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
5780 integer vararg POSTINCREMENT before the destination of the jump
5781 for the hard fp case.
5782 (function_arg_pass_by_reference): Pass a copy of CUM to
5785 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
5786 for CONSTANT_ADDRESS_P above while loop for subreg.
5788 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5790 * flow.c (propagate_block): When a prologue/epilogue insn
5791 is marked dead, unconditionally clear libcall_is_dead and
5792 insn_is_dead, and only dump rtl if warnings aren't being
5795 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
5797 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
5798 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
5799 (FIXED_REGISTERS): Set dirflag as fixed.
5800 (CALL_USED_REGISTERS): Set dirflag as used.
5801 (REG_ALLOC_ORDER): Set dirflag as last one.
5802 (DIRFLAG_REG): New macro.
5803 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
5804 (HI_REGISTER_NAMES): Add dirflag.
5805 (DEBUF_PRINT_REG): Handle dirflag.
5806 * i386.md (type attribute): New cld and str types.
5807 (length_opcode attribute): Set cld and str to 1.
5808 (memory attribute): Set str to unknown - it is not clear from the
5810 (pent_np function unit): Prefixed string operations takes 12 cycles
5811 minimally; cld takes 2 cycles.
5812 (ppro_uops attribute): Str is "many" and cld is "few".
5813 (ppro_p0 unit): Handle cld here.
5814 (k6_alux unit): Handle cld and str types.
5815 (k6_load unit): It is ocupied by str opcodes.
5816 (k6_store unit): It is ocupied by str opcodes.
5817 (athlon_decode): Str is vector decoded.
5818 (athlon_ieu): Handle str and cld.
5820 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
5821 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
5822 cmpstrsi_nz_1 insn): Do not output cld instruction
5824 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
5826 * gcc.texi (G++ and GCC): Add Java and Chill.
5827 (Bug Critera): Don't list languages.
5829 * gcc.texi (Incompatibilities): No longer claim most C compilers
5832 * gcc.texi (G++ and GCC): Update other front-ends list.
5834 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
5836 * i386.c (ix86_expand_setcc): Fix typo.
5837 (ix86_expand_movcc): Similarly.
5839 * Band-aid until haifa's bitset implementation is nuked.
5840 * haifa-sched.c (extract_bitlst): New parameter for size of the
5841 bitset in bits. All callers changed. Avoid looking at undefined
5843 (edgeset_bitsize): New variable.
5844 (schedule_region): Initialize edgeset_bitsize.
5846 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5848 * Makefile.in (optabs.o): Depend on real.h
5849 (resource.o): Depend on insn-attr.h
5851 * builtins.c (result_vector): Wrap prototype in macro conditions
5852 governing definition and use.
5854 * c-common.c: Include tm_p.h.
5856 * c-lex.c: Likewise.
5858 * elfos.h: Constify a char*.
5860 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
5861 (get_attr_length, shorten_branches, profile_after_prologue): Mark
5862 parameter with ATTRIBUTE_UNUSED.
5864 * fold-const.c (exact_real_inverse): Wrap variable `i' in
5867 * haifa-sched.c (schedule_insns): Mark parameter with
5870 * optabs.c: Include real.h.
5872 * real.h (ereal_atof): Add prototype arguments.
5874 * resource.c: Include insn-attr.h.
5876 * sdbout.c (sdbout_queue_anonymous_type,
5877 sdbout_dequeue_anonymous_types): Wrap in macro
5878 SDB_ALLOW_FORWARD_REFERENCES.
5879 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
5882 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
5884 * stupid.c: Include tm_p.h.
5886 * tree.c (real_value_from_int_cst): Mark parameter with
5889 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5891 * i960-protos.h: New file.
5893 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
5896 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
5898 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5900 * combine.c (expand_field_assignment): Do not discard SUBREGs
5901 while computing nonzero_bits.
5903 2000-01-09 Nick Clifton <nickc@cygnus.com>
5905 * config/arm/arm.c: Fix compile time warnings about signed vs
5907 * config/arm/arm.h: Fix compile time warnings about signed vs
5910 2000-01-09 Philip Blundell <philb@gnu.org>
5912 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
5913 than `ldm' with only one register.
5914 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
5917 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
5920 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
5922 * config/ns32k/ns32k.md (load or push effective address): Operand 1
5925 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5927 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
5928 assignment used as truth value.
5930 * function.c (assign_temp): Mark parameter `dont_promote' with
5931 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
5932 PROMOTE_FOR_CALL_ONLY.
5934 * genrecog.c (write_subroutine): Mark variable `operands' with
5937 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
5940 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
5941 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
5943 * toplev.c (note_deferral_of_defined_inline_function): Likewise
5946 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5948 * config/c4x.h: Tidy up comments.
5949 * config/c4x.c: Likewise.
5951 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
5953 * fold-const.c (lshift_double, rshift_double): Handle
5954 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
5956 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5958 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
5959 in prepare_function_start().
5961 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
5963 * config/v850/v850.c (expand_epilogue): Interrupt functions no
5964 longer allocate extra stack for function calls.
5966 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5968 * config/c4x/c4x.md (*subqf3_set): Fix typo.
5970 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5972 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
5974 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5976 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5977 * aix43.h: Revert Aug 2 change.
5978 (HAS_INIT_SECTION): Define, not visible yet.
5979 (LD_INIT_SWITCH): Define, not visible yet.
5980 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5982 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
5984 * collect2.c (main): Expand ld2 size further.
5985 (export_object_lst): Cast assignment to avoid warning.
5986 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
5987 (scan_prog_file, COFF): Do not collect initialization or
5988 finalization functions generated for entire shared object if
5989 init/fini support present.
5991 2000-01-07 Nick Clifton <nickc@cygnus.com>
5993 * config/elfos.h: Tidy up formatting of marcos. Make sure
5994 that .section directives are always prefixed by a tab.
5996 * config/svr4.h: Add #include "elfos.h" and remove duplicate
5999 2000-01-07 Matt Austern <austern@sgi.com>
6001 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
6004 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
6006 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
6008 (crtbegin.o, s-crtS): Likewise.
6010 2000-01-06 Richard Henderson <rth@cygnus.com>
6012 * alpha.md (adddi_2+1): Limit offset such that it will be
6013 loadable with a single ldah+lda pair.
6014 (adddi_2+2): Explicitly fail split if we can't make it work.
6016 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
6018 * protoize.c: Conditionally include unistd.h.
6019 (IS_SAME_PATH_CHAR): New macro.
6020 (IS_SAME_PATH): New macro.
6021 (CPLUS_FILE_SUFFIX): New macro.
6022 (cplus_suffix): New static variable.
6023 (is_abspath): New static function.
6024 (in_system_include_dir): Handle DOS style pathnames.
6025 (file_could_be_converted): Likewise.
6026 (file_normally_convertible): Likewise.
6027 (directory_specified_p): Likewise.
6028 (file_excluded_p): Likewise.
6029 (abspath): Likewise.
6030 (shortpath): Likewise.
6031 (referenced_file_is_newer): Likewise.
6032 (save_def_or_dec): Likewise.
6033 (do_processing): Likewise.
6035 (edit_file): Likewise. Use rename instead of link.
6036 (rename_c_file): Likewise. Don't rename syscalls file.
6037 (munge_compile_params): Define null device for DOS based systems.
6038 (process_aux_info_file): Use binary mode if appliable.
6039 (edit_file): Likewise.
6040 * invoke.texi (Running Protoize): Document C++ suffixes used.
6042 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
6043 IS_DIR_SEPARATOR macros.
6044 * collect2.c: Likewise.
6045 * cppinit.c: Likewise.
6046 * dwarf2out.c: Likewise.
6049 * prefix.c: Likewise.
6051 * toplev.c: Likewise.
6052 * system.h: And move to here.
6054 * prefix.c (update_path): Fix typo in variable name.
6056 2000-01-06 Richard Henderson <rth@cygnus.com>
6058 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
6059 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
6060 (count_reg_sets_1, count_reg_references): Likewise.
6061 (flow_loops_level_compute): Start counting actual loop depth at 1.
6062 (flow_loops_find): Likewise.
6063 * local-alloc.c (update_equiv_regs): Likewise.
6064 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
6066 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
6068 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
6069 FIRST_PSEUDO_REGISTER
6070 * dwarf2out.c: Don't include frame.h
6071 * dwarfout.c: Likewise
6072 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
6075 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
6077 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
6080 * i386.c (movsf splitter): Fix typo in my last checkin.
6082 2000-01-05 Nick Clifton <nickc@cygnus.com>
6084 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
6085 own definition of this macro.
6086 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
6087 flag_data_sections or UNIQUE_SECTION_P are true.
6089 * tm.texi (UNIQUE_SECTION): Document that it can be called for
6090 unitialised data decls.
6092 * config/i386/winnt.c (i386_pe_unique_section): Cope with
6093 being called for uninitialised data.
6095 * config/i386/interix.c (i386_pe_unique_section): Cope with
6096 being called for uninitialised data.
6098 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
6099 for uninitialised data.
6101 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
6102 for uninitialised data.
6104 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
6105 for uninitialised data.
6107 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
6108 (UNIQUE_SECTION_P): Always generate a unique section if
6109 flag_data_sections is true.
6110 (UNIQUE_SECTION): Also generate unique sections for
6112 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
6113 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
6116 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6118 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
6121 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6123 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
6124 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
6125 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
6126 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
6127 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
6129 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
6131 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
6133 * c-decl.c (finish_enum): Simplify code to determine minimum and
6134 maximum values of the enum, and calculate the type. Remove check
6135 for FUNCTION_DECLs in the values list, which cannot happen. Replace
6136 the DECL_INITIAL of each enumeration constant with a copy converted
6137 to the enumeration type. When updating variant types, don't bother
6138 updating the type itself.
6140 * c-typeck.c (build_binary_op): Simplify conditional expressions
6141 when weeding out spurious signed-unsigned warnings. Add new
6142 spurious warning category: if the unsigned quantity is an enum
6143 and its maximum value fits in signed_type(result_type). Update
6145 (build_conditional_expr): Warn here if one alternative is signed
6146 and the other is unsigned.
6148 2000-01-05 Nick Clifton <nickc@cygnus.com>
6150 * config/fr30/fr30.h: Remove extraneous comments.
6152 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
6154 * reload1.c (choose_reload_regs): When disabling a reload, also
6155 set reload_spill_index to -1.
6157 2000-01-04 Joel Sherrill (joel@OARcorp.com>
6159 * configure.in (m68*-*-rtemscoff*): New target, formal name for
6161 (m68*-*-rtemself*): New target.
6162 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
6163 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
6164 (sparc*-*-rtemself*): New target.
6165 (sparc*-*-rtems*): Now elf not a.out.
6166 * config/i386/rtems.h: Include config/rtems.h.
6167 * config/i386/rtemself.h: Include config/rtems.h.
6168 * config/i960/rtems.h: Include config/rtems.h.
6169 * config/m68k/rtems.h: Include config/rtems.h.
6170 * config/m68k/rtemself.h: Include config/rtems.h.
6171 * config/mips/rtems64.h: Include config/rtems.h.
6172 * config/pa/rtems.h: Include config/rtems.h.
6173 * config/rs6000/rtems.h: Include config/rtems.h.
6174 * config/sh/rtems.h: Include config/rtems.h.
6175 * config/sh/rtemself.h: Include config/rtems.h.
6176 * config/sparc/rtems.h: Include config/rtems.h.
6177 * config/sparc/rtemself.h: Include config/rtems.h
6179 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
6181 * final.c (shorten_branches): Correctly compute length of
6182 asms without operands.
6184 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
6186 * configure.in: Add pj target.
6187 * configure: Regenerate.
6188 * config/pj: New directory.
6189 * config/pj/lib1funcs.S: New file.
6190 * config/pj/linux.h: New file.
6191 * config/pj/pj.c: New file.
6192 * config/pj/pj.md: New file.
6193 * config/pj/pjl.h: New file.
6194 * config/pj/t-pj: New file.
6195 * config/pj/xm-pj.h: New file
6197 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
6199 * toplev.c (rest_of_compilation): Run shorten-branches before
6202 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6204 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
6205 macros so that they're consistent with their names.
6206 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
6207 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
6209 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6211 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
6212 modified inadvertently.
6214 2000-01-04 Joel Sherrill <joel@OARcorp.com>
6216 * configure.in (v850*-*-rtems*): New target.
6217 * configure: Regenerate.
6218 * config/v850/rtems.h: New file.
6220 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
6222 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
6223 (__gthread_key_create): Likewise.
6224 (__gthread_key_dtor): Likewise.
6225 (__gthread_once): Fix logic.
6226 (__gthread_key_delete): Cast away constness.
6228 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
6229 * invoke.texi: Document.
6230 * i386/mingw32.h (CPP_SPEC): Use.
6231 (LIBGCC_SPEC): Likewise.
6232 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
6234 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6236 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
6237 (HANDLE_PRAGMA_PACK): Undefine.
6238 (SLOW_UNALIGNED_ACCESS): Define.
6240 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6242 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
6243 to default definition.
6244 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
6245 (store_fixed_bit_field): Call macro with word_mode and alignment.
6246 (extract_bit_field): Call macro with relevant mode and alignment.
6247 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
6248 to default definition.
6249 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
6251 (move_by_pieces_ninsns): Likewise.
6252 (clear_by_pieces): Likewise.
6253 (emit_push_insn): Likewise.
6254 (store_field): Call macro with relevant mode and alignment.
6255 (expand_expr): Likewise.
6256 (expand_expr_unaligned): Likewise.
6258 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
6259 (SLOW_UNALIGNED_ACCESS): Define.
6260 (CASE_VECTOR_MODE): Always use 32-bit offsets.
6261 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
6262 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
6263 (toc_section): Likewise and .toc pseudo-op.
6264 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
6266 (TEXT_SECTION_ASM_OP): Likewise.
6267 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
6270 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
6271 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
6272 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
6273 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
6274 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
6276 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
6278 * regclass.c: Revert my Jan 4 change to loop cost computation.
6280 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6282 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
6285 2000-01-04 Stan Cox <scox@cygnus.com>
6287 * haifa-sched.c (build_control_flow): Change unreachable simple
6288 loop test to check if current block has only one predecessor.
6289 (find_rgns): Initialize degree. Use dest as degree index, not src.
6291 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6293 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
6295 * calls.c (expand_call): Likewise for
6296 `old_stack_arg_under_construction'.
6298 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
6300 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
6303 * gcc.c (execute): Likewise for `ut' and `st'.
6305 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
6307 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
6309 * jump.c (jump_optimize_1): Likewise for `temp2'.
6311 * local-alloc.c (block_alloc): Likewise for `r1'.
6313 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
6315 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
6316 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
6318 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
6321 * reload.c (find_reloads): Likewise for `goal_alternative_number'
6322 and `goal_earlyclobber'.
6324 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
6326 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
6328 * stupid.c (stupid_life_analysis): Likewise for `chain'.
6330 * unroll.c (copy_loop_body): Likewise for `copy'.
6332 * varasm.c (output_constructor): Likewise for `byte'.
6334 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6336 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
6337 all FP constants for constant->reg moves.
6338 (ix86_split_to_parts): Try to convert memory address into immediate
6339 when available in the constant pool.
6340 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
6342 (LEGITIMATE_CONSTANT_P): Return 1.
6343 * i386.md (pushsf): New splitter to convert constant pool memory
6344 reference to immediate.
6345 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
6348 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
6350 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
6351 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
6352 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
6353 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
6354 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
6356 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
6358 * ginclude/stdbool.h: Support compilation as C++.
6360 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6362 * fold-const.c (make_range): Don't try to reverse an unbounded range.
6364 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
6366 * regclass.c (regclass): Properly compute loop_cost. Adjust
6369 * regclass.c: Fix minor whitespace problems.
6371 2000-01-03 Anthony Green <green@cygnus.com>
6373 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
6374 Restore the pic register if required.
6376 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
6378 * c-common.c (format_char_info): Update comment.
6379 (check_format_info): Recognize 'z' modifier in the same way 'Z'
6380 was recognized. Emit warning for formats new in ISO C99 only
6381 if flag_isoc9x is not set.
6383 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
6385 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
6387 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6389 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
6390 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
6391 (make_compound_operation): Choose cheaper alternative between
6392 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
6394 * regclass.c (op_costs): Remove global variable.
6395 (record_reg_classes): New parameter "op_costs" and "reg_pref".
6396 (record_operand_costs): Break out from ...
6397 (scan_one_insn): ... here.
6398 (dump_regclass): Make dumps nicer.
6399 (regclass): Dump preferrences choosed and changes done during passes.
6401 2000-01-03 Jakub Jelinek <jakub@redhat.com>
6403 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
6405 2000-01-03 Jakub Jelinek <jakub@redhat.com>
6407 * config/sparc/sparc.c (gen_df_reg): New function.
6408 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
6409 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
6410 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
6411 movtf_cc_reg_sp64+1): Use it.
6413 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6415 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
6418 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
6420 * config/i386/i386.c (ix86_expand_unary_operator): Function
6421 definition made void.
6422 (ix86_expand_binary_operator): Update outdated preceding comment.
6423 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
6426 * config/i386/i386.c (override_options): Fix option-name typo.
6428 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6430 * system.h (CEIL): Define.
6431 * builtins.c (CEIL): Remove.
6432 * expmed.c (CEIL): Likewise.
6433 * expr.c (CEIL): Likewise.
6434 * stor-layout.c (CEIL): Likewise.
6436 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6438 * expr.c (store_constructor_field): Fix typo introduced with last
6441 2000-01-01 Mark Mitchell <mark@codesourcery.com>
6443 * tree.h (BINFO_N_BASETYPES): New macro.
6445 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
6447 * expmed.c (emit_store_flag): Prevent losing a pending stack
6448 adjust the same way we prevent losing queued increments.
6450 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6452 * function.c (update_temp_slot_address): Handle case where sum of
6453 temporary address plus offset in register is a valid address.
6455 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6457 * genrecog.c (change_state) Corrected typo.
6459 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6461 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
6462 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
6463 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
6465 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
6467 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
6468 case, expand GT comparisons correctly. Fix a comment before this
6471 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
6473 * dwarfout.c: Include "frame.h"
6474 * dwarf2out.c: Likewise.
6475 * Makefile.in (dwarfout.o): Depend on frame.h
6476 (dwarf2out.o): Likewise.
6478 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
6480 Restore i386 binary compatibility in Dwarf EH info.
6481 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
6482 value of FIRST_PSEUDO_REGISTER.
6483 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
6484 (struct frame_state): Use DWARF_FRAME_REGISTERS.
6485 * dwarfout.c (output_reg_number): Ditto.
6486 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
6487 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
6489 1999-12-29 Bruce Korb <autogen@linuxbox.com>
6491 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
6492 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
6493 (<hack>_RE_CT): not needed
6494 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
6495 rewritten to scan the file text once only
6496 "template<..." test added
6497 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
6498 (is_cxx_header): declaration added
6499 * fixinc/fixtests.c(is_cxx_header): removed
6500 (apply_fix_p_t): removed
6501 (double_slash_test): is_cxx_header is only called once now
6502 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
6503 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
6504 within the templates.
6505 The borken spelling of "broken" was fixed.
6506 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
6507 The default level depends on FIXINC_DEBUG.
6509 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6511 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
6512 Otherwise provide a declaration for atexit.
6513 (init_dummy): Make sure dummy call to atexit is nevertheless
6514 called with correct number of args.
6516 * frame.c: Update comments referring to other files.
6518 * libgcc2.c: Likewise.
6520 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6522 * cse.c (free_element, get_element): Remove unused prototypes.
6524 * fold-const.c (extract_muldiv): Initialize variables `op0' and
6527 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
6530 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
6532 * configure.in,configure: case arm for mn10200-*-* now sets
6533 float_format=i32 so that float.h will correctly claim "double"
6534 to be 32 bits. Ran autoconf to generate configure from .in file.
6536 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
6538 * pa.md (conditional zero): If op1 is a register, force it into
6539 the same register as op0.
6541 1999-12-28 Mark Mitchell <mark@codesourcery.com>
6543 * tree.h (BINFO_BASETYPES): Improve documentation.
6545 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6547 * configure.in (--enable-checking): Use a more portable `for'
6550 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6552 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
6553 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
6555 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
6558 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
6559 Delete descriptions.
6561 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
6562 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
6563 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
6564 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
6565 xm-svr4.h: Remove all instances of sys_siglist handling.
6567 1999-12-27 Jakub Jelinek <jakub@redhat.com>
6569 * config/sparc/sparc.md (cmp_zero_qi,
6570 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
6571 cmp_zero_extendqidi2_andcc_set): New patterns.
6573 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
6575 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
6576 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
6577 (fpgnulib.c, xfgnulib.c): Add rules.
6578 * m68k/t-mot3300-gas: Likewise.
6580 1999-12-27 Ian Lance Taylor <ian@zembu.com>
6582 * configure.in: Avoid [[ by using test and changequote. Add
6583 changequote required by 1999-12-14 change.
6584 * configure: Rebuild.
6586 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
6588 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
6590 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
6592 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
6593 * flow.c (find_use_as_address): Likewise.
6594 * function.c (fixup_var_refs_1): Likewise.
6595 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
6596 * jump.c (invert_exp, redirect_exp): Likewise.
6597 * loop.c (replace_call_address): Likewise.
6598 (count_nonfixed_reads): Likewise.
6599 * rtlanal.c (modified_between_p): Likewise.
6600 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
6601 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
6602 * unroll.c (remap_split_bivs): Likewise.
6604 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6606 * diagnostic.c (v_message_with_decl): Use .* format specifier
6607 instead of building the format specifier width manually.
6609 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
6610 determining whether to provide a prototype. Remove the
6611 sys_siglist clause in the conditional.
6613 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6615 * fold-const.c (operand_equal_p): Use memcmp to compare string
6617 Suggested by D. J. Bernstein
6619 1999-12-17 Jakub Jelinek <jakub@redhat.com>
6621 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
6622 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
6624 * config/mips/mips.h (TARGET_64BIT): Likewise.
6625 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
6626 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
6627 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
6628 dsps. Give routines proper names if SI/DI modes are not used.
6629 * longlong.h: Use DWunion instead of DIunion.
6631 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
6633 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
6634 GC_CHECKING, GC_ALWAYS_COLLECT.
6635 * configure.in: Allow --enable-checking with an argument
6636 listing check modes to enable.
6637 * config.in, configure: Rebuilt.
6638 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
6639 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
6640 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
6641 ENABLE_GC_ALWAYS_COLLECT.
6642 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
6644 * tree.h, tree.c: Change ENABLE_CHECKING to
6645 ENABLE_TREE_CHECKING throughout.
6647 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6649 * fold-const.c (fold_truthop): Properly check for FP RHS.
6651 1999-12-24 Mark Mitchell <mark@codesourcery.com>
6653 * toplev.h (note_deferall_of_defined_inline_function): Declare.
6654 * toplev.c (note_deferral_of_defined_inline_function): New
6655 function, split out from ...
6656 (rest_of_compilation): ... here. Use it.
6658 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6660 * expr.c (store_constructor): Don't call clear_storage if size is
6663 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6665 * Makefile.in (toplev.o): Depend on loop.h.
6667 * dwarfout.c: Include tm_p.h.
6669 * emit-rtl.c (restore_emit_status): Mark parameter with
6672 * final.c (final_scan_insn): Likewise.
6674 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
6675 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
6676 flow_depth_first_order_compute, flow_loop_pre_header_find,
6677 flow_loop_tree_node_add, flow_loops_tree_build,
6678 flow_loop_level_compute, flow_loops_level_compute,
6679 flow_loop_outside_edge_p): Add prototypes.
6680 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
6682 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
6683 Mark with ATTRIBUTE_NORETURN.
6685 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
6687 * local-alloc.c (no_conflict_p): Likewise.
6689 * loop.c (insert_bct): Hide definitions of variables with hidden
6691 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
6693 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
6694 with ATTRIBUTE_UNUSED.
6695 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
6696 (reg_scan): Likewise.
6698 * reload.c (find_reloads): Remove unused variables `changed'.
6700 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
6702 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
6703 Remove unused variable `insn'.
6705 * toplev.c: Include loop.h.
6706 (report_file_and_line): Remove unnecessary prototype.
6708 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
6710 * unroll.c (biv_total_increment): Likewise.
6712 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6714 * reload1.c (emit_input_reload_insns): Restore old behaviour
6715 wrt. 'special' reloads.
6717 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
6719 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
6720 hash.h. (cse.c): Don't depend on hashtab.h.
6722 * cse.c: Don't include hashtab.h.
6723 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
6725 * ggc-simple.c: Don't include hash.h.
6727 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
6729 * dwarf2out.c (add_abstract_origin_attribute): Call
6730 gen_abstract_function on our function context.
6732 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
6734 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
6736 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6738 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
6741 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6743 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
6744 constraints to "a!r".
6746 1999-12-21 Mark Mitchell <mark@codesourcery.com>
6748 * Makefile.in (calls.o): Depend on function.h.
6749 (alias.o): Likewise.
6751 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
6753 * reload1.c (emit_reload_insns): Break out code and variables into...
6754 (input_reload_insns, other_input_address_reload_insns,
6755 other_input_reload_insns, input_address_reload_insns,
6756 inpaddr_address_reload_insns, output_reload_insns,
6757 output_address_reload_insns, outaddr_address_reload_insns,
6758 operand_reload_insns, other_operand_reload_insns,
6759 other_output_reload_insns): ... new static variables, and...
6760 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
6761 do_output_reload): ... new functions.
6763 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6765 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
6767 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6769 * md.texi: Add c4x constraints documentation.
6771 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6773 * config/i386/dgux.c (struct option): Rename to
6774 lang_independent_option.
6775 (struct m_options): Add description field.
6776 (output_options): Rename option type, add sep declaration, output
6777 ix86_cpu_string and ix86_arch_string only if set.
6778 (output_file_start): Rename option type.
6780 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
6782 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
6784 (libgcc2.a): Similarly.
6786 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
6788 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
6789 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
6790 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
6792 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
6794 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
6795 Remove redundant initialization of "frexpon" and "expon".
6797 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6799 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
6801 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
6802 (store_constructor_field, expand_expr): Pass new arg.
6804 1999-12-20 Mark Mitchell <mark@codesourcery.com>
6806 * Makefile.in (explow.o): Depend on function.h.
6808 * stor-layout.c (set_sizetype): Fix typo.
6810 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
6812 * function.c (cfun): Renamed from current_function. All users
6814 * function.h (cfun): Rename declaration as well.
6816 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
6817 to be of type regset_head, not regset. All users changed by adding
6819 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
6821 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6823 * config/c4x/rtems.h: New file.
6825 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
6827 * reload1.c (spill_failure): Take class of failed reload as argument
6828 and print it. Caller changed.
6830 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6832 * rs6000.h (SUBTARGET_DEFAULT): New macro.
6833 (TARGET_SWITCHES): Allow subtargets to default switches.
6834 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
6836 1999-12-18 Mark Mitchell <mark@codesourcery.com>
6838 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
6841 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
6843 * cccp.c (main): Define __STDC_VERSION__ as necessary.
6844 * cppinit.c (cpp_handle_option): Likewise.
6846 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
6847 determine when to define.
6849 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
6851 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
6852 cmove with mismatched test and data modes.
6854 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
6856 * c-typeck.c (c_expand_start_case): Don't warn for long switch
6859 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6861 * alias.c: Minor reformatting.
6864 * stor-layout.c: Likewise.
6865 * fold-const.c: Likewise.
6866 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
6867 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
6869 (size_int_wide): Cache nodes even if garbage collecting.
6870 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
6871 of SAVE_EXPR has no side effects.
6872 * cse.c: Move a comment.
6873 * tree.c: Minor reformatting.
6874 (int_size_in_bytes): Return -1 if constant overflows.
6876 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6878 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
6880 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
6882 * objc/objc-parse.c: Regenerate. This file must be rebuilt
6883 after any change to c-parse.in, even if objc-parse.y didn't
6886 1999-12-18 David S. Miller <davem@redhat.com>
6888 * toplev.c (rest_of_compilation): Restore BLOCK tree
6889 reconstruction and branch shortening changes lost in
6890 December 18th change.
6892 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
6894 * config/arm/linux-elf.h: Change all instances of
6895 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
6896 * config/arm/uclinux-elf.h: Likewise.
6898 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
6900 * toplev.c (notice, vmessage, v_message_with_file_and_line,
6901 v_message_with_decl, file_and_line_for_asm,
6902 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
6903 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
6904 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
6905 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
6906 pfatal_with_name, fatal_io_error, need_error_newline,
6907 last_error_function, last_error_tick, announce_function,
6908 default_print_error_function, print_error_function,
6909 report_error_function, fnotice, error_with_file_and_line,
6910 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
6911 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
6912 warning_with_decl, warning_for_asm, warning, pedwarn,
6913 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
6915 (compile_file): Use fnotice instead of notice. Adjust call.
6917 * diagnostic.c: New file.
6919 * Makefile.in (OBJS): Include diagnostic.o
6920 (diagnostic.o): Define dependence.
6922 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6924 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
6927 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6929 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
6931 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
6933 * fixtests.c (is_cxx_header): New fn, split out of
6935 (else_endif_label): Allow "#endif // comment" in C++ headers,
6936 as determined by is_cxx_header.
6937 * fixfixes.c (else_endif_label_fix): Update comment.
6938 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
6940 * genfixes: Correct double thinko in commandline parsing.
6941 * hackshell.tpl: Generate correct sh syntax for bypass
6944 * inclhack.def (all): Whenever an inserted preprocessor
6945 conditional is split over multiple lines, use double
6946 backslashes in this file so the fixed header will be readable.
6948 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
6949 and add bypass entry for correct version of this header.
6950 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
6951 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
6953 (hpux8_bogus_inlines): New fix, split from...
6954 (ultrix_atof_param) ... here.
6955 (math_expression): Add bypass entry keyed to glibc comment
6956 indicating the problem has been dealt with; disable
6957 unnecessary sed operations; update commentary.
6958 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
6959 add select and bypass entries, simplify shell operation.
6960 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
6962 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
6963 ultrix_atof_param): Add select entry.
6964 (stdio_va_list, sunos_mather_decl): Add bypass entry.
6965 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
6966 comments with the fixes they describe.
6968 * c-parse.in (string action): Do not warn about ANSI string
6969 concatenation in system headers. Affects C parser only.
6970 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
6972 1999-12-16 Jakub Jelinek <jakub@redhat.com>
6974 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
6975 compiling libgcc2 the macro depends always on arch cpp defines.
6977 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
6979 * loop.c (insert_loop_mem): Don't record MEMs from inside
6982 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
6984 * regclass.c (regclass): Do not use flowgraph when not optimizing.
6986 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
6987 notes too, create one when replacement failed, attempt to simplify
6989 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
6992 1999-12-16 Mark Mitchell <mark@codesourcery.com>
6994 * crtstuff.c (__dso_handle): Declare.
6995 (__cxa_finalize): Likewise.
6996 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
6999 * invoke.texi: Document -fuse-cxa-atexit.
7001 * tree.h (ptr_type_node): Document.
7002 (const_ptr_type_node): Likewise.
7004 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7006 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
7007 (optimize_reg_copy_2): Likewise.
7008 (optimize_reg_copy_3): Likewise.
7009 (fixup_match_2): Likewise.
7010 (regmove_optimize): Likewise.
7011 (fixup_match_1): Liekwise.
7013 * i386.md (HI to SImode promoting splitters): Rewrite.
7014 (pushsf mem peep2): New.
7015 (testhi to andhi peep2): Remove.
7016 * i386.h (x86_promote_QImode): New.
7017 (TARGET_PROMOTE_QImode): New.
7018 (PREDICATE_CODES): Add promotable_binary_operator.
7019 * i386.c (x86_promote_QImode0: New.
7020 (promotable_binary_operator): New.
7021 * i386-protos.h (promotable_binary_operator): New.
7023 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
7025 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
7027 1999-12-16 Mark Mitchell <mark@codesourcery.com>
7029 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
7030 * function.c (insert_block_after_note): Remove.
7031 (retrofit_block): Likewise.
7032 (identify_blocks): Fix indentation.
7033 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
7034 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
7035 * function.h (insert_block_after_note): Remove prototype.
7036 (retrofit_block): Likewise.
7037 * integrate.c (expand_inline_function): Don't call
7038 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
7039 just expand_start_bindings. Use the block_map to remap old
7040 NOTE_BLOCKs to new ones.
7041 (integrate_decl_tree): Keep track of remapped blocks.
7042 * integrate.h (struct inline_remap): Add block_map.
7043 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
7044 NOTE_BLOCK on the notes.
7045 (expand_start_bindings): Rename to ...
7046 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
7047 (expand_end_bindings): Set NOTE_BLOCK.
7048 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
7049 reconstruct the BLOCK tree.
7050 * tree.h (expand_start_bindings): Macroize. Call ...
7051 (expand_start_bindings_and_block): New function.
7053 1999-12-16 Jakub Jelinek <jakub@redhat.com>
7055 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
7056 to match the format.
7058 1999-12-16 David S. Miller <davem@redhat.com>
7060 * expr.c (emit_move_insn_1): Only emit clobbers if one of
7061 the outputs is a SUBREG.
7062 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
7065 * config/sparc/sparc.c (epilogue_renumber): Add default case
7068 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7070 * toplev.c (rest_of_compilation): Run branch shortening after
7073 * regclass.c (loop_depth): Remove
7074 (scan_one_insn): Do not handle LOOP_NOTE insns.
7075 (regclass): Go through basic blocks and set loop_cost
7077 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
7079 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
7081 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7083 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
7084 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
7085 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
7087 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
7089 * loop.c (insert_loop_mem): Ignore memory clobbers.
7091 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
7094 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
7096 * profile.c: Remove redundant #include "output.h".
7098 * h8300.md (HImode preinc peephole): Fix typo.
7100 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7102 * function.c (retrofit_block): Abort if we don't find a suitable insn.
7103 (insert_block_after_note): Abort if we don't have a previous block.
7104 Remove FN parameter.
7105 * function.h: Adjust.
7107 1999-12-15 Mark Mitchell <mark@codesourcery.com>
7109 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
7110 argument more than once.
7112 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7114 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
7116 1999-12-15 Jakub Jelinek <jakub@redhat.com>
7118 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
7120 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7122 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
7123 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
7124 update stack_alignment_needed.
7125 (prepare_function_start): Initialize stack_alignment_needed
7126 * function.h (struct function): Add field stack_alignment_needed.
7128 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7130 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
7131 Handle live_throughout / dead_or_set instead of live_before /
7133 (save_call_clobbered_regs): Get register livenessinformation from
7134 chain->live_throughout.
7135 (add_stored_regs): New function.
7136 (insert_restore, insert_save): Add restored / saved registers to
7138 * global.c (reg_dies): New parameter chain.
7139 (reg_becomes_live): Third parameter is regs_set now.
7140 Changed all callers.
7141 (reg_dies): New parameter chain. Changed all callers.
7142 (build_insn_chain): Set live_throughout instead of
7143 live_before / live_after.
7144 * reload.h (struct insn_chain): Replace members live_before /
7145 live_after with live_throughout / dead_or_set.
7146 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
7147 instead of live_before / live_after.
7148 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
7149 (order_regs_for_reload, find_reg, finish_spills): Likewise.
7150 (choose_reload_regs_init): Likewise.
7151 * stupid.c (current_chain, find_clobbered_regs): Delete.
7152 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
7153 instead of chain->live_before / chain->live_after.
7154 (mark_hard_ref): New function.
7155 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
7157 1999-12-15 David S. Miller <davem@redhat.com>
7159 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
7161 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7163 * flow.c (calculate_loop_depth): Make global, remove prototype,
7164 rewrite to use new loop infrastructure.
7165 (find_basic_block): Remove calculate_loop_depth call.
7166 * toplev.c (rest_of_compilation): Call find_basic_block.
7167 * output.h (calculate_loop_depth): Declare.
7169 * flow.c (dump_flow_info): Dump loop_depth.
7170 (flow_loops_nodes_find): Increase loop_depth for basic block in the
7172 (flow_loops_find): Initialize the loop_depth for each basic block.
7174 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7176 * tree.c (decl_function_context): Handle virtual functions.
7178 * tlink.c (scan_linker_output): Don't look in demangled name when
7179 looking for linker output keywords.
7181 * dwarfout.c (output_type): We can defer namespace-scope classes.
7183 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
7185 * regclass.c (record_reg_classes): Update comment for merging
7186 register class preferences in reg->reg copies. Tighten conditions
7187 for merging register class preferences in reg->reg copies.
7189 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
7191 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
7193 1999-12-14 Geoff Keating <geoffk@cygnus.com>
7195 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
7196 (INIT_SECTION_ASM_OP): Delete.
7197 (FINI_SECTION_ASM_OP): Delete.
7198 (STARTFILE_SPEC): Define to hold just crtbegin.o.
7200 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
7202 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
7203 the abstract origin wasn't emitted.
7205 * dwarf2out.c (class_scope_p): New fn.
7206 (gen_subprogram_die): Use it.
7207 (gen_variable_die): Use it. Tweak logic.
7208 (gen_struct_or_union_type_die): Check context_die to determine
7209 if we're function-local.
7210 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
7212 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7214 * loop.c (check_dbra_loop): Can't reverse a biv that has
7217 1999-12-14 Nick Clifton <nickc@cygnus.com>
7219 * config/arm/arm.c: Add support for -mcpu=arm720 command line
7222 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7224 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
7225 for givs made from biv increments.
7227 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
7229 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
7230 * alpha.c (override_options): Recognize -mcpu=ev67.
7231 * alpha.h (CPP_CPU_EV67_SPEC): New.
7232 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
7233 (EXTRA_SPECS): Update.
7235 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
7237 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
7238 appropriate for -lang-c89 and -std=*.
7239 * cppinit.c (cpp_handle_option): Likewise.
7240 (new_pending_define): New, split out from cpp_handle_option.
7241 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
7242 or enable trigraphs for -ansi/-std=*.
7244 * ginclude/stdarg.h (__va_copy): New.
7245 (va_copy): Don't define for C89.
7247 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
7249 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
7250 for long long multiply-accumulate.
7252 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7254 * regclass.c (scan_one_insn): Set loop_cost to 1 when
7255 optimizing for size.
7257 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7259 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
7260 if something changed. Back out that part of yesterday's changes.
7262 * loop.c (loop_max_reg): New static variable.
7263 (loop_optimize): Initialize it. Eliminate one unnecessary call to
7265 (scan_loop): Call reg_scan_update whenever we may have added new
7266 registers, and update loop_max_reg.
7268 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7270 * regclass.c (record_reg_classes): Do not do the copying preferrencing
7271 when source does not die.
7273 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
7275 1999-12-14 Jakub Jelinek <jakub@redhat.com>
7277 * config/sparc/linux64.h (TARGET_LIVE_G0,
7278 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
7280 * config/sparc/linux.h (TARGET_LIVE_G0,
7281 TARGET_BROKEN_SAVERESTORE): Likewise.
7282 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
7283 TARGET_BROKEN_SAVERESTORE): Likewise.
7285 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
7286 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
7288 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
7289 as sparc64 block profiling register.
7290 * config/sparc/sparc.c (sparc_override_options): Allow block
7291 profiling with -m32.
7292 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
7294 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
7295 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
7296 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
7298 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
7300 * config/sparc/sparc.h: Likewise.
7301 * config/sparc/xm-sysv4-64.h: Likewise.
7302 * config/float-sparc.h: Likewise.
7303 * glimits.h: Likewise.
7304 * longlong.h: Likewise.
7306 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
7307 (ASM_IDENTIFY_GCC): Remove.
7309 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7311 * combine.c (combine_simplify_rtx): Don't make shared rtl.
7312 (simplify_logical): Likewise.
7314 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
7316 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
7317 * cppfiles.c (INO_T_EQ): Likewise.
7319 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
7321 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
7322 * i386/mingw32.h (LIB_SPEC): Likewise.
7323 (STARTFILE_SPEC): Likewise.
7324 * i386/uwin.h (LIB_SPEC): Likewise.
7325 (STARTFILE_SPEC): Likewise.
7327 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
7328 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
7330 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
7332 * combine.c (combine_simplify_rtx): Fix order of checks for
7333 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
7335 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
7337 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
7338 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
7340 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
7342 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
7344 * regclass.c (inv_reg_alloc_order): New array.
7345 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
7347 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
7348 counted_for_groups, counted_for_nongroups. Add fields rld and
7350 * reload.c (push_secondary_reload): Don't set nongroup field of
7352 (push_reload): Likewise.
7353 (find_reloads): Delete code to compute nongroup fields.
7354 * reload1.c (reload_insn_firstobj): New static variable.
7355 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
7357 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
7358 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
7359 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
7361 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
7363 (struct hard_reg_n_uses): Deleted.
7364 (potential_reload_regs): Deleted.
7365 (init_reload): Initialize spilled_pseudos and pseudos_counted.
7366 (reload): Don't try to allocate reload registers if we already know
7367 we have to make another pass. Call select_reload_regs. Free memory
7368 starting with reload_firstobj when starting another pass.
7369 Don't allocate spilled_pseudos.
7370 (calculate_needs_all_insns): Call copy_reloads for an insn that
7371 needs reloads; don't call calculate_needs.
7372 (spill_cost): New static array.
7373 (used_spill_regs_local): New static variable.
7374 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
7375 to compute potential_reload_regs.
7376 (find_reload_regs): Completely rewritten to use find_reg.
7377 (allocate_reload_reg): Don't test counted_for_groups or
7378 counted_for_nongroups. Lose NOERROR arg and code to give an error;
7380 (choose_reload_regs): Add fallback code that uses the existing
7381 register allocation from find_reload_regs.
7383 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
7385 * flow.c (create_edge_list): Cast xmalloc return value.
7387 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
7389 * doprnt.c: Remove incorrect comment closure.
7391 * cse.c: Fix a few minor whitespace goofs.
7393 1999-12-13 Don Bowman <don@pixstream.com>
7395 * mips/vxworks.h: Fix problem with comment termination.
7396 (EXTRA_SECTIONS): Add in_sbss.
7397 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
7399 1999-12-12 David S. Miller <davem@redhat.com>
7401 * cse.c (struct cse_reg_info): Add hash_next member,
7402 reorder rest of struct for better packing on 64-bit
7404 (cse_reg_info_tree): Kill.
7405 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
7406 REGHASH_FN): New custom pow2 hash mechanism.
7408 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
7409 use a pow2 hash table.
7410 (get_cse_reg_info): Rework to use new REGHASH.
7411 (new_basic_block): Likewise, use HASH_SIZE, and inline
7413 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
7414 and inline free_element call.
7415 (lookup_as_function, insert, flush_hash_table, invalidate,
7416 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
7417 invalidate_for_call, use_related_value, find_comparison_args,
7418 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
7419 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
7422 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
7424 * cse.c (cse_basic_block): Free qty_table consistently.
7426 1999-12-12 David S. Miller <davem@redhat.com>
7427 Jakub Jelinek <jakub@redhat.com>
7429 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
7430 SUBREGs by hand, gen the appropriate hard reg directly.
7431 (movtf reg/mem split): Likewise and alter_subreg on destination
7433 (movtf mem/reg split): Similarly.
7434 (movdf_cc_sp64): Rename from hidden pattern.
7435 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
7436 (movtf_cc_sp64, following split): New pattern and splitter.
7437 (movdf_cc_reg_sp64): Rename from hidden pattern.
7438 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
7440 (movtf_cc_reg_sp64, following split): New pattern and splitter.
7442 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
7444 * loop.c (load_mems): Don't hoist written floating point mem
7447 1999-12-12 Mark Mitchell <mark@codesourcery.com>
7449 * except.h (struct eh_queue): Add `next' pointer.
7450 (struct eh_status): Make x_ehqueue a pointer.
7451 (push_ehqueue): Declare.
7452 (pop_ehqueue): Likewise.
7453 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
7455 (expand_fixup_region_end): Likewise.
7456 (expand_leftover_cleanups): Likewise.
7457 (push_ehqueue): Define.
7458 (pop_ehqueue): Likewise.
7459 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
7460 than doing it inline.
7461 (expand_start_all_catch): Adjust now that ehqueue is a
7463 (mark_eh_queue): Mark all level of the queue.
7464 (mark_eh_status): Adjust now that ehqueue is a
7466 (init_eh_for_function): Allocate ehqueue.
7467 (free_eh_status): Free it.
7468 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
7469 expansion for a fixup.
7471 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7473 * gthr-single.h (__gthread_active_p): Add prototype arguments.
7475 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
7476 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
7477 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
7478 function_ptr, getpagesize, __enable_execute_stack,
7479 __enable_execute_stack, __clear_insn_cache,
7480 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
7481 _cleanup, _exit, __default_terminate, __terminate_func,
7482 __terminate, __empty, __throw, new_eh_context,
7483 eh_context_initialize, eh_context_static, eh_context_specific,
7484 get_eh_context, __get_eh_context, __get_eh_info,
7485 init_reg_size_table, eh_threads_initialize,
7486 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
7487 __unwinding_cleanup, throw_helper, __throw, __rethrow,
7488 __pure_virtual): Add prototype arguments.
7489 (__bb_exit_func): Cast a sizeof to long when comparing against one.
7490 Cast a signed value to unsigned long when comparing against one.
7491 (new_eh_context): Wrap in _GTHREADS macro.
7492 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
7494 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
7495 (throw_helper): Initialize variables `handler_p' and `pc_p'.
7497 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7499 * combine.c (record_promoted_value): Remove unused variable
7502 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
7504 * global.c (record_conflicts): Likewise for `j'.
7506 * genoutput.c (output_insn_data): Don't unnecessarily cast away
7509 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7511 * i386-protos.h (output_387_binary_op, output_fix_trunc,
7512 output_fp_compare): Constify a char*.
7514 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
7516 (override_options, ix86_comp_type_attributes, print_operand,
7517 output_387_binary_op, output_fix_trunc, output_fp_compare):
7519 (ix86_sched_reorder): Mark parameter `clock_var' with
7522 * i386.h (DEBUG_PRINT_REG): Constify a char*.
7524 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
7526 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
7527 operand, for use in the Java front-end.
7529 1999-12-10 Ben Collins <bcollins@debian.org>
7531 * configure.in: Fix typo for "-64" in 64bit as check.
7532 * configure: Rebuilt.
7534 1999-12-10 Jakub Jelinek <jakub@redhat.com>
7536 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
7539 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7541 * c-parse.in (string): With -Wtraditional, warn if ANSI string
7542 concatenation is utilized.
7544 * invoke.texi (-Wtraditional): Document it.
7546 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7548 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
7549 Cast a ptrdiff_t to long and pass it to printf with %ld.
7551 1999-12-10 Geoff Keating <geoffk@cygnus.com>
7553 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
7554 68881, we have no 68881 registers at all.
7555 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
7556 value in a 68881 register if it is available.
7558 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
7560 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
7561 for long long multiply-accumulate.
7563 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
7565 * loop.c (insert_loop_mem): Undo last change.
7567 1999-12-10 David S. Miller <davem@redhat.com>
7569 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
7571 * config/sparc/sparc-protos.h: Add them.
7572 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
7573 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
7574 constraints which use those helpers.
7575 (EXTRA_CONSTRAINT): Use this new macro.
7576 * md.texi: Update sparc target constraints documentation.
7577 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
7578 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
7579 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
7580 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
7581 (movsf high/lo_sum split): Rework for new patterns.
7582 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
7584 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
7586 * c-common.c (c_common_nodes_and_builtins):
7587 Create __builtin_ptrdiff_t and __builtin_size_t.
7589 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
7591 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
7593 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7595 * regclass.c (globalize_reg): Re-instate test that allows
7596 fixed registers to be declared as a variable even after functions
7599 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7601 * i386.md (cpu attribute): Add "athlon".
7602 (athlon_decode): New attribute.
7603 (Athlon scheduling units definitions): New.
7604 (fcmp and shld patterns): Set athlon_decode to "vector".
7605 * i386.c (athlon_cost): New.
7607 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
7608 x86_use_sahf): Set for Athlon.
7609 (x86_use_fiop): Unset for Athlon.
7610 (override_options): Define Athlon alignments and "athlon" name.
7611 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
7612 * i386.h (TARGET_ATHLON): New.
7613 (enum processor_type): Add PROCESSOR_ATHLON.
7614 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
7616 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
7618 1999-12-09 Andreas Jaeger <aj@suse.de>
7620 * loop.c (record_biv): Declare parameter as int.
7622 * config/i386/i386-protos.h: Declare long_memory_operand.
7624 1999-12-09 Mark Mitchell <mark@codesourcery.com>
7626 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
7627 EXPR_WITH_FILE_LOCATION.
7629 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7631 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
7634 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
7636 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
7639 1999-12-09 Jakub Jelinek <jakub@redhat.com>
7641 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
7642 default on linux64 again.
7643 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
7644 models for multilibing.
7645 * genmultilib: Accept | as alternative separator within a set in
7648 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
7650 * calls.c (precompute_arguments): Make sure initial_value contains
7651 value pseudo which CSE expects.
7652 * cse.c (struct set): New entry orig_src.
7653 (cse_insn): Set it early on entry, use it for libcall EQUIV note
7656 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
7658 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
7660 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
7662 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
7664 1999-12-08 Jakub Jelinek <jakub@redhat.com>
7666 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
7667 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
7669 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
7672 * longlong.h: Merge in changes from glibc.
7673 Also don't clobber %g2 register in 32bit SPARC assembly, so that
7674 -mno-app-regs libgcc can be compiled.
7675 * libgcc2.c: Add defines so that the updated longlong.h
7676 can be used in libgcc2.a. Also, make sure on most architectures
7677 (at least on all which have optimized code in longlong.h defined
7678 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
7680 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7682 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
7683 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
7684 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
7686 * configure: Rebuilt.
7688 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
7690 * alpha.c (secondary_reload_class): For !BWX, sub-simode
7691 outputs require a register.
7693 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
7695 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
7696 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
7697 functions like dptoul will be resolved.
7698 (libgcc2.a): Make sure that the object files from DPBIT are named
7699 differently (prefix `_dp') from those that would be coming from
7702 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
7704 * configure.in: When target is sparc* and tm_file contains 64,
7705 test for 64bit support in assembler. If not supported, remove
7706 sparc/t-sol2-64 from target-dependent Makefile fragments.
7707 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
7708 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
7709 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
7710 * acconfig.h (AS_SPARC64_FLAG): Added.
7711 * configure, config.in: Rebuilt.
7712 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
7713 support. Use AS_SPARC64_FLAG.
7715 1999-12-07 Jakub Jelinek <jakub@redhat.com>
7717 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
7718 suitable for holding OFmode values so that gcc works with complex
7720 (hard_64bit_mode_classes): Likewise.
7722 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
7723 so that it is actually matched.
7724 (sethi_di_medlow): Likewise.
7726 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
7727 as legitimate constant if -mvis.
7728 * config/sparc/sparc.md (movtf): Likewise.
7729 (clear_sf): Use const_double_operand.
7730 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
7732 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
7733 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
7734 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
7735 routines, _Qp_* cannot be handled like that now.
7736 (INIT_TARGET_OPTABS): Likewise.
7737 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
7738 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
7739 sparc_emit_float_lib_cmp if ARCH64 and soft float.
7740 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
7741 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
7742 divtf3, sqrttf3): New expanders.
7743 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
7744 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
7745 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
7748 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
7749 * configure: Rebuilt.
7750 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
7751 -mcpu is given and we're doing 64bit compiles.
7753 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
7755 * loop.h (struct induction): Add multi_insn_incr.
7756 * loop.c (basic_induction_var): New multi_insn_incr argument.
7757 Set it if we search back through previous insns for the biv.
7758 (record_biv): New multi_insn_incr argument; fill in struct induction.
7759 (strength_reduce): Discard an iv with multiple bivs, any of
7760 which require multiple insns to increment.
7762 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7764 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
7767 1999-12-06 David S. Miller <davem@redhat.com>
7769 * combine.c (check_promoted_subreg): Do not conditionalize this upon
7770 PROMOTE_FUNCTION_RETURN.
7772 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
7774 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
7775 and handle REG_UNUSED note on insn.
7777 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
7778 inner_mask instead of mask.
7780 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
7782 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
7783 zero if there was an error.
7785 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7787 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
7790 * longlong.h: Fix clobbers in SPARC asm statements.
7792 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
7793 valid sethi operations when TARGET_ARCH64.
7795 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
7796 always use move_by_pieces to avoid infinite recursion.
7797 (restore_fixed_argument_area): Likewise.
7799 * combine.c (check_promoted_subreg, record_promoted_value): New
7801 (combine_instructions): Use them to retain nonzero and sign bit
7802 information after SUBREGs are eliminated by optimizations in
7803 this pass if PROMOTE_FUNCTION_RETURN.
7805 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
7806 .register declaration. Don't use variables with __ prefixes.
7808 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7810 * fold-const.c (optimize_bit_field_compare): Only use one mode
7811 for both RHS and LHS in non-constant case.
7813 1999-12-06 Nathan Sidwell <nathan@acm.org>
7815 * frame.c (start_fde_sort): Only allocate erratic array, if
7816 linear one was allocated. Return allocated flag.
7817 (fde_insert): Only insert, if there's a valid array.
7818 (fde_end_sort): Split, sort and merge if linear and erratic
7819 arrays exist, else just sort linear one.
7820 (search_fdes): New function. Linear search through original fde
7822 (frame_init): Permit multiple initializations. Cope with
7824 (find_fde): Fallback on linear search, if failed to sort array.
7825 (__deregister_frame_info): Only free sorted array, if we
7828 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7830 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
7832 1999-12-05 Jakub Jelinek <jakub@redhat.com>
7834 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
7836 1999-12-05 Mark Mitchell <mark@codesourcery.com>
7838 * tree.h (special_function_p): Declare.
7839 * calls.c (special_function_p): Make it global. Don't take `name'
7840 as a parameter. Fix typo in 1999-11-28 change.
7841 (expand_cal): Adjust.
7843 1999-12-04 Mark Mitchell <mark@codesourcery.com>
7845 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
7846 * tree.h (EXPR_WFL_FILENAME): Define in terms of
7847 EXPR_WFL_FILENAME_NODE.
7848 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
7850 * print-tree.c (print_note): Print TREE_PRIVATE and
7853 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
7854 the original die cannot be found.
7856 * varray.h (varray_head_tag): Add elements_used.
7857 (VARRAY_PUSH): New macro.
7858 (VARRAY_POP): Likewise.
7859 (VARRAY_TOP): Likewise.
7860 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
7862 * varray.c (varray_init): Initialize elements_used.
7863 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
7864 (INTEGRATE_H): New variable.
7865 (integrate.o): Depend on INTEGRATE_H.
7866 (unroll.o): Likewise.
7868 * function.h (insert_block_after_note): Declare.
7869 * function.c (insert_block_after_note): Split out from ...
7870 (retrofit_block): ... here.
7872 * stmt.c (expand_fixup): Fix typo in comment.
7874 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7876 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
7877 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
7878 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
7879 (regmove_optimize, fixup_match_1): Likewise.
7881 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7883 * flow.c (flow_loops_dump): Add missing argument when calling
7886 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
7887 Greg McGary <gkm@gnu.org>
7889 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
7890 (init_attributes): Add A_NO_LIMIT_STACK.
7891 (decl_attributes): Handle A_NO_LIMIT_STACK.
7892 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
7893 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
7894 Handle stack bounds checking.
7895 * flags.h (flag_stack_check): Use the word 'probe' rather than
7896 'check', because the flag doesn't actually cause any checking to
7898 * function.c (expand_function_start): Set
7899 current_function_limit_stack.
7900 * function.h (struct function): Add limit_stack.
7901 (current_function_limit_stack): Define.
7902 * invoke.texi (Code Gen Options): Document new options.
7903 * rtl.h: Declare stack_limit_rtx.
7904 * toplev.c (stack_limit_rtx): New variable.
7905 (decode_f_option): Handle new options -fstack-limit-register=REG,
7906 -fstack-limit-symbol=IDENT, -fno-stack-limit.
7907 (main): Add stack_limit_rtx as GC root.
7908 * tree.h (DECL_NO_LIMIT_STACK): New macro.
7909 (struct tree_decl): New member no_limit_stack.
7911 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
7913 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
7914 (conditional_trap+1): Get new mnemonic correct.
7915 (conditional_trap+2): New pattern for DImode traps.
7917 * config/m68k/m68k.c (output_function_prologue): Handle
7919 * config/m68k/m68k.md (trap): New insn.
7920 (conditional_trap): New insn.
7921 * md.texi (Standard Names): Document `trap' and
7923 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
7924 so a cc0 setter doesn't get emitted at some random place in the
7927 * config/i960/i960.md (trap): New insn.
7928 (conditional_trap): New expander.
7929 (conditional_trap+1, conditional_trap+2): New insns for signed
7931 * config/i960/i960.c (i960_function_prologue): Use
7932 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
7934 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
7935 Geoffrey Keating <geoffk@cygnus.com>
7937 * flags.h (warn_padded, warn_packed): Add global var decls.
7938 * toplev.c (warn_padded, warn_packed): Add global var defns.
7939 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
7940 * stor-layout.c (layout_record): Add local variable `type'
7941 to hold often-used TREE_TYPE (field). Add local variable
7942 `unpacked_align' to hold alignment that would be in force
7943 if no `packed' attribute were present. Warn if `packed' attribute
7944 is unnecessary, or even harmful. Warn when gcc inserts padding
7945 to satisfy alignment requirements of members. Use NULL_TREE
7946 when checking whether var_size is set.
7947 * invoke.texi: Document new flags.
7949 1999-12-03 Nathan Sidwell <nathan@acm.org>
7951 * frame.c (fde_split): Reimplement to avoid variable sized array.
7953 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7955 * combine.c (try_combine): Before fixing up LOG_LINKS for the
7956 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
7958 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
7960 * invoke.texi: Document the mips option -mno-crt0
7962 1999-12-02 Mike Karr <mkarr@mathworks.com>
7964 * cccp.c (argdata): Added free_ptr member.
7965 (macroexpand): Initialize free_ptr of each argument. When an
7966 argument's buffers are freed, if the argument's free_ptr corresponds
7967 to a buffer on the input stack, then return the free_ptr to that stack
7968 frame, otherwise, free it.
7969 (macarg): If an argument begins and ends on the same input stack level,
7970 then transfer the free_ptr of that buffer to the argument in case
7971 the stack is popped during the processing of a subsequent argument.
7973 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
7975 * loop.c (note_reg_stored): New function.
7976 (struct note_reg_stored_arg): New structure.
7977 (try_copy_prop): Change to be more conservative; only replace within
7978 one extended basic block and stop replacing if a store to the
7979 replacement reg is seen.
7981 1999-12-02 Nick Clifton <nickc@cygnus.com>
7983 * config/fp-bit.c: Initialise all fields of the NAN
7986 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
7989 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
7991 * i386.md (extend?f?f2): Force the input into a register, not
7994 1999-12-01 Jakub Jelinek <jakub@redhat.com>
7996 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
7998 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
7999 alternative because setting up 64bit constant is usually costly,
8000 especially when reload is in progress or completed.
8001 (movdf_const_intreg_sp64): Likewise.
8002 (movdf_const_intreg split): Fix building up constants when
8003 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
8005 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
8007 * combine.c (if_then_else_cond): Use const_true_rtx instead of
8008 const1_rtx for return values in EQ/NE comparison against (const_int 0)
8011 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
8012 (asm_file_start): Emit .am33 into assembly file when compiling for
8014 (print_operand_address): Handle POST_INC addresses.
8015 (can_use_return_insn, initial_offset): Check AM33 registers too.
8016 (expand_prologue): Check & save AM33 registers too.
8017 (expand_epilogue): Similarly.
8018 (secondary_reload_class): Handle AM33 specific secondary reloads.
8019 (output_tst): Emit efficient code for the AM33 too.
8020 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
8021 (TARGET_SWITCHES): Add -mam33 switch.
8022 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
8023 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
8024 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
8025 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
8026 (enum reg_class, REG_CLASS_NAMES): Likewise.
8027 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
8028 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
8029 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
8030 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
8031 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
8032 (HAVE_POST_INCREMENT): Define.
8033 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
8034 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
8035 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
8036 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
8037 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
8038 (zero_extend to SI from QI/HI): Likewise.
8039 (sign_extend to SI from QI/HI): Likewise.
8040 (mulsidi3, umulsidi3): New patterns for the AM33.
8041 (tstsi with zero extension from QI/HI): Add AM33 variants.
8042 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
8043 (return_internal_regs, store_movm): Handle new AM33 registers.
8044 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
8045 (LIBGCC, INSTALL_LIBGCC): Likewise.
8046 * invoke.texi: Document new flags.
8048 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8050 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
8051 (addsi3_carry): Likewise.
8052 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
8053 (sbbsi3_carry): Likewise.
8054 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
8056 (test?i_1): Ensure that only one operand is memory.
8057 (conditional move patterns): likewise.
8058 (shift and rotate patterns): Rewrite to expander, add
8059 "binary_operator_ok" to the condition.
8061 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
8062 * i386.h (procesor_costs): Add movzbl_load field.
8063 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
8064 non-Q registers, accept DImode registers anywhere.
8066 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
8067 * i386.c (*_cost): Set value for movxbl_load field.
8069 * (addsi): New add to lea splitter.
8071 (lea to add/shift peep2): New.
8073 1999-12-01 Mark Salter <msalter@cygnus.com>
8075 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
8076 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
8077 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
8079 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8081 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
8082 * i386.md (movsi_xor): New.
8084 (movsi_1, movhi_1, movqi_1): Remove.
8085 (movsi_2): Rename to movsi_1.
8086 (movhi_2): Rename to movhi_1.
8087 (movqi_2): Rename to movqi_1.
8088 (movdi_1): Remove; remove splitter.
8089 (movdi_2): Rename to movdi_1.
8090 (divmodsi4 splitter): Do not emit clobbers for move patterns.
8091 (long move peep2): Do not create QI or HI mode mov0s
8092 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
8094 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
8097 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
8098 (abs?f2_if): Likewise.
8100 1999-11-30 Alex Samuel <samuel@codesourcery.com>
8102 * ggc.h (ggc_test_and_set_mark): New macro.
8103 (ggc_mark_rtx): Use ggc_test_and_set_mark.
8104 (ggc_mark_tree): Likewise.
8105 (ggc_mark_rtvec): Likewise.
8106 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
8108 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
8110 * dwarf2out.c (scope_die_for): Only handle types. Only search for
8112 (decl_scope_table): Just an array of trees now.
8113 (push_decl_scope): Simplify.
8114 (dwarf2out_init): Adjust.
8115 (local_scope_p): New fn.
8116 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
8117 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
8118 (gen_typedef_die): Likewise.
8119 (gen_lexical_block_die): Don't call push/pop_decl_scope.
8120 (gen_inlined_subroutine_die): Likewise.
8121 (gen_abstract_function): Set current_function_decl temporarily.
8122 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
8123 Handle block extern declarations. Don't call push/pop_decl_scope.
8124 (gen_decl_die): Fix logic for block externs.
8126 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8128 * calls.c (special_function_p): Remove `realloc' and add `strdup'
8129 to the list of functions which have attribute malloc by default.
8131 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8133 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
8134 integer constant does not match the traditional type, limit the
8135 warnings to cases where the base of the type is ten.
8137 * invoke.texi (-Wtraditional): Document it.
8139 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8141 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
8142 * rs6000.md: Only access a CONST_INT with INTVAL
8144 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
8146 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
8147 (compute_nearerout): Likewise.
8148 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
8149 size_t to unsigned long for formatting.
8151 1999-11-30 Jakub Jelinek <jakub@redhat.com>
8153 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
8154 Allow the user to override call-used/fixed state of %g2-5
8155 registers from the command line (with the exception of %g4 for
8157 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
8158 there is a higher chance of having a leaf function.
8159 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
8160 for ARCH64 which has %ccr register.
8161 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
8163 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
8164 insn accept into delay slot any insn which does not use %[ol]
8165 registers. Accept some LO_SUM and shift left by 1 for the normal
8167 (output_function_epilogue): Likewise.
8168 (epilogue_renumber): Added argument which inhibits any renumbering
8169 and just tests if the rtx does not use any %[ol] registers.
8170 (output_return): Reflect above change.
8172 1999-11-30 Jakub Jelinek <jakub@redhat.com>
8174 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
8175 aggregate passing for sizes <= 16 bytes.
8177 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
8179 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
8180 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
8181 * reload.c (find_dummy_reload): Likewise.
8182 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
8183 * reload1.c (reload_as_needed): Likewise.
8184 * stupid.c (stupid_find_reg): Likewise.
8185 * tm.texi (Obsolete Register Macros): Delete section.
8186 * gmicro.h: Remove all traces of the two macros.
8191 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
8193 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
8194 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
8195 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
8196 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
8197 units for the sparclite86x chip.
8198 (flush): Revert October 14th change; add SImode specifically.
8199 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
8200 * invoke.texi: Document it.
8202 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
8204 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
8205 psimode_truncation_operand.
8207 * config/mn10200/mn10200.c (psimode_truncation_operand): New
8208 function. Return true if the operand is either a MEM valid
8209 for a PSImode address or not a MEM at all.
8211 * config/mn10200/mn10200.md (truncsipsi2): Use
8212 psimode_truncation_operand.
8214 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8216 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
8217 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
8218 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
8219 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
8220 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
8221 (flow_loop_level_compute, low_loops_level_compute): Likewise.
8222 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
8223 * basic-block.h: Protect from multiple inclusion.
8224 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
8225 (struct loops, struct loop): Define structures.
8226 * sbitmap.c (sbitmap_a_subset_b_p): New function.
8227 * sbitmap.h: Protect from multiple inclusion.
8228 (sbitmap_a_subset_b_p): Add prototype.
8229 * Makefile.in (LOOP_H): New macro.
8230 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
8232 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
8234 * cppinit.c (CAT): The argument list of this macro may not contain
8237 1999-11-29 David S. Miller <davem@redhat.com>
8239 Move quantity tables and register equivalence chains into
8240 per-qty and per-register structure arrays respectively.
8241 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
8242 qty_const_insn, qty_comparison_code, qty_comparison_const,
8243 qty_comparison_qty): Delete, replace with...
8244 (qty_table): this structure table.
8245 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
8246 (reg_eqv_table): this structure table.
8247 (make_new_qty): Add argument MODE. Caller updated.
8248 Update to use qty_table and reg_eqv_table.
8249 (make_regs_eqv, delete_reg_equiv, insert_regs,
8250 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
8251 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
8252 cse_process_notes, cse_main, cse_basic_block): Likewise.
8254 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8256 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
8257 operation if C is negative.
8258 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
8259 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
8260 law for some divisions if constant is negative and change other
8261 divisions to the opposite rounding.
8263 * expr.c (store_constructor_field): If bit position is not multiple
8264 of alignment of TARGET's mode, use BLKmode.
8266 * expr.c (expand_expr_unaligned): Add more code from full case
8267 that is needed when OP0 is in a register.
8269 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8271 * dwarfout.c (field_byte_offset): Size can be zero if there was
8274 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
8276 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
8277 (associate_trees): Delete unused var TEM.
8278 (extract_muldiv): Delete unused var CANCEL_P.
8280 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
8281 (target_isinf, target_isnan, target_negative): Add return types to
8282 function definitions.
8284 1999-11-29 Bruce Korb <autogen@linuxbox.com>
8286 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
8287 * fixinc/hackshell.tpl: ditto
8288 * fixinc/fixtests.c(double_slash_test): more C++ header testing
8289 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
8291 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
8293 * reload.c (push_reload): When looking for a register to put into
8294 reg_rtx, make sure all hard regs in a multi-reg register are in the
8295 right class and nonfixed.
8297 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
8298 pending_read_insns, pending_write_insns, pending_read_mems,
8299 pending_write_mems, pending_list_length, last_pending_memory_flush,
8300 last_function_call, sched_before_next_call): Move static variables
8302 (bb_ prefixed versions): Replace with single array bb_deps.
8303 (struct deps): New structure.
8304 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
8305 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
8306 argument of type "struct deps *"; use that instead of global
8307 variables. All callers changed.
8308 (init_rgn_data_dependencies): Delete function.
8309 (init_rtx_vector): Delete function.
8310 (init_deps): New function.
8312 (free_pending_lists): Simplify, we always use the bb_deps array even
8313 if only one basic block.
8314 (compute_block_backward_dependences): Likewise.
8315 (schedule_region): Likewise.
8317 (propagate_deps): New function, broken out of
8318 compute_block_backward_dependences.
8319 (compute_block_backward_dependences): Use it.
8321 * alpha.md: Delete useless patterns that tried to work around
8322 register elimination problems.
8324 * unroll.c (loop_iterations): Don't abort if iteration variable
8327 From Joern Rennecke:
8328 * reload1.c (reloads_conflict): Reverse test comparing operand
8329 numbers when testing for conflict between output/outaddr reloads.
8331 1999-11-29 David S. Miller <davem@redhat.com>
8333 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
8335 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
8337 1999-11-28 Robert Lipe <robertl@cygnus.com>
8339 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
8340 table from .fini into .dtor.
8342 1999-11-28 Anthony Green <green@cygnus.com>
8344 * tree.h (struct tree_decl): Add malloc_flag.
8345 (DECL_IS_MALLOC): Define.
8346 * c-common.c (attrs): Add A_MALLOC attribute.
8347 (init_attributes): Add this attribute to the table.
8348 (decl_attributes): Handle malloc attribute.
8349 * calls.c (special_function_p): Check for the malloc attribute.
8350 * extend.texi (Function Attributes): Document malloc attribute.
8352 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
8354 * pa.md (reload shift-add patterns): Remove.
8356 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8358 * reorg.c (dbr_schedule) Print more statistics. Corrected
8359 problem when printing info when 3 delay slots are filled.
8361 1999-11-28 Jakub Jelinek <jakub@redhat.com>
8363 * combine.c (setup_incoming_promotions): Pass an outgoing
8364 regno to FUNCTION_ARG_REGNO_P which it expects.
8366 1999-11-28 Andreas Jaeger <aj@suse.de>
8368 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
8370 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
8372 * cccp.c (do_include): Avoid initialization of automatic variable.
8374 * integrate.c (mark_stores): Function definition made void, to match
8375 previous declaration.
8376 * regclass.c (dump_regclass): Ditto.
8377 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
8379 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8381 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
8382 known to be multiple of divisor.
8384 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
8386 * combine.c (try_combine): Add code to try to merge a set of a
8387 two-word pseudo to a constant with a setting of one of those words
8390 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
8391 (split_tree): Completely rework to make more general.
8392 (make_range, fold): Call negate_expr.
8393 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
8394 (fold, associate): Call new split_tree and associate_trees.
8395 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
8397 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
8399 * loop.c (try_copy_prop): Avoid GNU C extension.
8401 1999-11-25 Mark Mitchell <mark@codesourcery.com>
8403 * except.c (init_eh_for_function): Still zero eh_return_context,
8404 eh_return_stack_adjust, and eh_return_handler.
8406 * except.h (eh_status): Adjust documentation for x_protect_list.
8407 (begin_protect_partials): New function.
8408 * except.c (enqueue_eh_entry): Fix formatting.
8409 (get_first_handler): Add consistency check.
8410 (add_partial_entry): Adjust usage of protect_list.
8411 (emit_cleanup_handler): Save and restore ehqueue.
8412 (expand_start_all_catch): Add comment.
8413 (begin_protect_partials): New function.
8414 (end_protect_partials): Adjust usage of protect_list.
8415 (init_eh_for_function): Use xcalloc.
8417 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8419 * c-common.c (check_format_info): Don't call a variadic function
8420 with a non-literal format string.
8422 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
8424 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
8425 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
8428 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
8431 * collect2.c (collect_wait): Likewise.
8433 * dbxout.c (dbxout_type): Likewise.
8435 * gcc.c (do_spec_1): Likewise.
8437 * genemit.c (gen_insn, gen_expand): Likewise.
8439 * genrecog.c (write_switch, write_subroutine): Likewise.
8441 * mips-tfile.c (catch_signal, botch): Likewise.
8443 * print-rtl.c (print_rtx): Likewise.
8445 * toplev.c (default_print_error_function, report_error_function,
8446 _fatal_insn): Likewise.
8448 1999-11-25 Mark Mitchell <mark@codesourcery.com>
8450 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
8452 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8454 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
8455 operations when needed.
8456 * i386.md (fop_?f_comm): New.
8457 (fop_?f_1): Do not accept commutative operands.
8459 1999-11-25 Andreas Jaeger <aj@suse.de>
8461 * config/mips/mips.md (casesi_internal): Add missing brace.
8463 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
8465 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
8466 (splice_child_die): Handle moving a child DIE from the declaration
8467 DIE of a class to its specification.
8468 (gen_struct_or_union_type_die): Use 'complete' consistently.
8469 (gen_decl_die): Generate the virtual context DIE first.
8470 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
8472 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
8474 * config/mips/mips.md (call_value_multiple_interanal1): New.
8476 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
8478 * dwarf2out.c (free_AT, free_die): New fns.
8479 (remove_children): Call them.
8480 (output_line_info): Disable removal of duplicate notes.
8482 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
8483 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
8484 means pretend the type isn't defined.
8485 Don't defer emitting types.
8486 (gen_type_die_for_member): New fn.
8487 (gen_decl_die): Call it.
8488 (splice_child_die): New fn.
8489 (gen_member_die): Call it rather than generate duplicate dies.
8491 Defer emitting information for the abstract instance of an inline
8492 until we either inline it or emit an out-of-line copy.
8493 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
8494 from output_inline_function if DECL_ABSTRACT is also set.
8495 (block_ultimate_origin): Likewise.
8496 (gen_abstract_function): New fn.
8497 (gen_decl_die, gen_inlined_subroutine_die): Call it.
8498 (gen_subprogram_die): An abstract instance is not a declaration
8499 just because it doesn't match current_function_decl. Don't abort
8500 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
8501 has an abstract origin.
8502 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
8503 abstract instance here.
8505 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
8507 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
8508 where we need to reload fpul from a system register.
8510 1999-11-24 Andreas Jaeger <aj@suse.de>
8512 * config/mips/linux.h (CPP_PREDEFINES): Added.
8513 (LINK_SPEC): Remove -Y since this is only needed on sparc.
8515 1999-11-24 Andreas Jaeger <aj@suse.de>
8517 * config/mips/linux.h (TARGET_VERSION): Added.
8518 (HANDLE_SYSV_PRAGMA): Added.
8519 (DEFAULT_VTABLE_THUNKS): Added.
8521 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8523 * local-alloc.c (qty): New structure and static variable.
8524 (qty_phys_reg): Remove, all references changed to qty.
8525 (qty_n_refs): Likewise.
8526 (qty_min_class): Likewise.
8527 (qty_birth): Likewise.
8528 (qty_death): Likewise.
8529 (qty_size): Likewise.
8530 (qty_mode): Likewise.
8531 (qty_n_calls_crossed): Likewise.
8532 (qty_alternate_class): Likewise.
8533 (qty_changes_size): Likewise.
8534 (qty_first_reg): Likewise.
8535 (alloc_qty): Rename variable QTY to QTYNO.
8536 (finf_free_reg): Likewise.
8537 (local_alloc): Allocate qty, do not allocate the removed variables.
8539 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
8541 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
8542 when -membedded-pic is passed.
8544 * config/mips/mips.md (casesi): Handle 64-bit case too.
8545 (casesi_internal_di): New insn.
8547 * config/mips/mips.c (embedded_pic_offset): Always make the
8548 embedded-pic subtractions relative to the name of the current
8549 function by use of the magic string "..CURRENT_FUNCTION".
8550 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
8552 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
8554 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
8555 of (const_int 0), when what we really care about is
8556 whether it's a zero constant anyway.
8557 (div_trap_mips16): Likewise.
8559 1999-11-23 Mark Mitchell <mark@codesourcery.com>
8561 * loop.c (loop_optimize): Always find_loop_tree_blocks and
8562 unroll_block_trees when generating debuggable code.
8564 * tree.h (unsave_expr_1): New function.
8565 (lang_unsave): New variable.
8566 (get_callee_fndecl): New function.
8567 * tree.c (unsave_expr_now_r): New function.
8568 (lang_unsave): Define.
8569 (unsave_expr_1): Likewise.
8570 (unsave_expr_now_r): Split out from unsave_expr_now.
8571 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
8572 call unsave_expr_now_r.
8573 (get_callee_fndecl): Define.
8575 * Makefile.in (gencheck): Don't depend on lang_tree_files.
8576 (gencheck.o): Do depend on lang_tree_files.
8578 * integrate.h (copy_decl_for_inlining): New declaration.
8579 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
8580 (copy_decl_for_inlining): New function.
8581 (integrate_parm_decls): Use it.
8582 (integrate_decl_tree): Likewise.
8584 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
8586 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
8587 the second two from the first.
8588 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
8589 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
8590 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8592 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
8593 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8596 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
8598 * pa.md (call_internal_symref, call_value_internal_symref): No mode
8599 needed on the address operand.
8600 * pa.c (call_operand_address): Check for the correct mode.
8602 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
8604 * loop.c: Include "basic-block.h".
8605 (try_copy_prop, replace_loop_reg): New functions.
8606 (load_mems): Detect registers that just hold copies of the hoisted
8607 mem, and call try_copy_prop to eliminate them.
8608 * Makefile.in (loop.o): Update dependencies.
8610 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
8612 * Makefile.in (gencheck.o): Depend on gencheck.h.
8613 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
8614 (insn-peep.o): Depend on except.h and function.h.
8615 (insn-attrtab.o): Depend on RECOG_H.
8616 (insn-output.o): Depend on toplev.h and flags.h.
8617 (gengenrtl.o): Depend on real.h.
8618 (gen-protos.o): Depend on cpplib.h and cpphash.h.
8619 Unify all dependencies to be on RECOG_H rather than recog.h.
8621 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8623 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
8624 * configure.in: Try building a bi-arch 32/64-bit compiler on
8625 sparc-*-solaris2.7 and higher.
8626 * configure: Rebuild.
8628 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
8630 * config/freebsd.h: New, FreeBSD architecture independent file.
8631 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
8633 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
8634 directly by i386/freebsd.h.
8635 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
8636 independent configuration file.
8637 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
8638 directly by i386/freebsd.h.
8639 * configure: Rebuilt.
8641 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
8642 which is in the user's namespace.
8643 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
8644 `i386' which is not in our namespace.
8646 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
8648 * invoke.texi (ARM Options): Add in -mno-alignment-traps
8650 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
8652 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
8653 (add_dwarf_attr, add_child_die): Just push onto the front.
8654 (reverse_die_lists): New fn.
8655 (add_sibling_attributes): Use it.
8656 (push_decl_scope): Reorganize.
8657 (add_name_and_src_coords_attributes): Don't set file and line for
8659 (gen_subprogram_die): An artificial function doesn't need to match
8661 (gen_compile_unit_die): Return the generated die. Only add
8662 AT_comp_dir if the filename is relative.
8663 (remove_AT): Simplify loop. Also free string values.
8664 (output_die): A DIE ref can't be null.
8665 (output_value_format, value_format): Take a dw_attr_ref.
8666 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
8667 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8668 AT_addr, AT_lbl): New fns.
8669 (various): Use them.
8670 (various): Constify.
8672 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8674 * combine.c (combine_simplify_rtx): When handling a SUBREG,
8675 take SUBREG_WORD into account.
8676 (if_then_else_cond): Likewise.
8678 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
8680 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
8681 clause from BSD license, pursuant with
8683 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
8685 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
8687 * loop.c (load_mems): Reformat slightly.
8688 * basic-block.h (regset_head): New typedef.
8689 (INIT_REG_SET): New macro.
8691 1999-11-22 Bruce Korb <autogen@linuxbox.com
8693 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
8694 (mips-dec-bsd*): non-functional code
8695 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
8697 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
8698 added three replacement fixes
8699 (no_double_slash): removed comments that are not (any longer) pertinent
8700 (bad_lval): this fix currently runs against many files.
8701 The comment seems to indicate that we should select for files
8702 containing 'pragma extern_prefix'.
8704 * fixinc/fixinc.x86-linux-gnu: deleted
8705 * fixinc/inclhack.sh: regen
8706 * fixinc/fixincl.x: regen
8707 * fixinc/fixincl.sh: regen
8709 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
8711 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
8712 its code is INSN and it has no notes.
8714 1999-11-22 Andrew Haley <aph@cygnus.com>
8716 * varasm.c (function_defined): Remove.
8717 (make_function_rtl): Don't set function_defined.
8718 (make_decl_rtl): Remove global register warning.
8719 * regclass.c (no_global_reg_vars): New variable.
8720 (globalize_reg): Warn if function has already been defined.
8721 (regclass_init): Set no_global_reg_vars.
8723 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8725 * regclass.c (reg_pref): New structure and static variable
8726 (prefclass): Delete.
8728 (all uses of prefclass and altclass): Use reg_pref instead.
8730 1999-11-21 Nick Clifton <nickc@cygnus.com>
8732 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
8734 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
8735 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
8736 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
8738 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
8740 * varasm.c (output_constructor): Solve problem with long long
8741 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
8743 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8745 * global.c (allocno): New structure and static variable.
8746 (allocno_reg): Remove, all references replaced by allocno.
8747 (allocno_size): Likewise.
8748 (hard_reg_conflicts): Likewise.
8749 (hard_reg_preferences): Likewise.
8750 (hard_reg_copy_preferences): Likewise.
8751 (hard_reg_full_preferences): Likewise.
8752 (regs_someone_prefers): Likewise.
8753 (allocno_calls_crossed): Likewise.
8754 (allocno_n_refs): Likewise.
8755 (allocno_live_length): Likewise.
8756 (find_reg): Rename ALLOCNO to NUM.
8758 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
8760 (may_move_out_cost): New variable.
8761 (init_reg_sets_1): Initialize may_move_out_cost.
8762 (record_reg_classes): Use may_move_out_cost.
8764 * regclass.c (dump_regclass): New function.
8765 (regclass): New parameter DUMP, call DUMP_REGCLASS.
8766 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
8767 pass rtl_dump_file to regclass.
8768 * rtl.h (regclass): Update prototype.
8770 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8772 * i386.md (neg, not and abs patterns): Revmap to use
8773 ix86_expand_unary_operator and ix86_unary_operator_ok.
8774 (add?f and sub?f expanders): Force operand 1 to register.
8775 * i386.c (ix86_expand_unary_operator): Rewrite.
8776 (ix86_unary_operator_ok): Ensure that memory operands
8778 (ix86_binary_operator_ok): Do not allow operand 1 to
8779 come into memory and operand 0 not.
8780 (ix86_expand_binary_operator): Ensure that
8781 src1 is not non-matching memory.
8783 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
8784 to support integer registers and memory.
8785 (abss?2_integer): Likewise.
8787 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
8788 (REG_CLASS_NAMES): Likewise.
8789 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
8791 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
8792 (movsf): Likewise; unify 4th and 5th alternative.
8794 (movdf_1): Likewise; rename to movdf_integer.
8795 (pushxf): Likewise; rename to pushxf_integer; fix output template;
8796 remove redundant splitter.
8797 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
8798 (movdf_nointeger): New.
8799 (movxf_nointeger): New.
8800 (pushxf_nointeger): New.
8802 * i386.md (extend?f?f): Split to expander and pattern, refuse two
8803 memory operands in patterns.
8804 (fop*): Refuse two memory operands.
8806 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
8807 on !TARGET_USE_CLTD CPUs.
8809 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
8811 * extend.texi: Document C++ restricted pointers and references.
8813 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
8815 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
8816 (invalidate_skipped_set): Call it unconditionally.
8817 (cse_set_around_loop): Likewise.
8819 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
8821 * rtl.texi (mem): Add documentation for alias-set argument
8824 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8826 * i386.h (struct_processor_costs): New fields int_load, int_store,
8827 fp_move, fp_load and fp_store
8828 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
8830 (MEMORY_MOVE_COST): New macro.
8831 * i386.c (386_cost): Define new fields.
8832 (i486_cost): Likewise.
8833 (pentium_cost): Likewise.
8834 (pentiumpro_cost): Likewise.
8835 (k6_cost): Likewise.
8837 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
8838 Geoffrey Keating <geoffk@cygnus.com>
8840 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
8842 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
8845 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
8846 (TARGET_STRICT_ALIGNMENT): New macro.
8847 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
8848 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
8849 * invoke.texi (M680x0 Options): Document -mstrict-align.
8851 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
8852 Richard Henderson <rth@cygnus.com>
8854 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
8855 (ix86_split_long_move): Declare.
8856 * i386.c (split_xf, ix86_split_movdi): Remove.
8857 (ix86_split_to_parts, ix86_split_long_move): New.
8858 * i386.md (dimode move splitters): Use ix86_split_long_move.
8859 (dfmode move splitters): Likewise.
8860 (xfmode move splitters): Likewise.
8861 (movsf_1): Allow F->r.
8862 (movdf_1, movxf_1): Allow F->ro.
8864 1999-11-17 Mark Mitchell <mark@codesourcery.com>
8866 * except.h (struct eh_entry): Add goto_entry_p.
8867 (eh_region_from_symbol): Remove prototype.
8868 * except.c (find_func_region_from_symbol): New function.
8869 (emit_cleanup_handler): Likewise.
8870 (eh_region_from_symbol): Make it static.
8871 (add_new_handler): Verify the argument.
8872 (find_func_region): Update comment.
8873 (expand_eh_region_end): Expand handlers here, rater than waiting
8874 until expand_leftover_cleanups or start_all_catch.
8875 (expand_leftover_cleanups): Don't expand here.
8876 (expand_start_all_catch): Or here.
8877 (expand_rethrow): Check the return value from find_func_region.
8878 * function.c (expand_function_end): Emit the catch_clauses.
8880 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
8882 * integrate.c (expand_inline_function): Add necessary check for NULL.
8884 1999-11-18 Nick Clifton <nickc@cygnus.com>
8886 * toplev.c (main): Correctly detect an unrecognised option.
8888 * cppinit.c (cpp_handle_option): Do not claim to have consumed
8889 a -f option if it has not been recognised.
8891 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
8893 * basic-block.h (update_life_extent): Remove trailing comma on
8894 enumeration type list.
8896 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8898 * varasm.c (output_constructor) Solved problem with long long
8899 bitfields. Corrected calculating this_time and shift. Also
8900 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
8902 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
8904 * flow.c (split_edge): Take looping structure into account when
8905 determining where to put the new block note.
8907 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
8909 * Makefile.in (ggc-none.o): Provide host specific version if
8912 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
8914 * cse.c (delete_trivially_dead_insns): Identify no-op insns
8915 containing subregs too.
8917 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
8919 * invoke.texi: Add documentation for -muninit-const-in-rodata.
8920 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
8921 (TARGET_UNINIT_CONST_IN_RODATA): Define.
8922 (text_section): Add switches -munint-const-in-rodata and
8923 -mno-uninit-const-in-rodata.
8924 (ASM_OUTPUT_COMMON): Remove.
8925 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
8926 const objects should be placed in read-only data. Otherwise declare
8929 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
8931 * jump.c (jump_optimize_1): Revert last change.
8933 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
8935 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
8936 test if optimizing for size.
8938 1999-11-17 Mark Mitchell <mark@codesourcery.com>
8940 * Makefile.in (toplev.o): Depend on except.h.
8941 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
8943 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8945 * i386.md (divmodsi4): Rewrite to expander.
8946 (*divmodsi4_nocltd): New.
8947 (*divmodsi4_cltd): New.
8948 (divmodsi4 splitter): Handle the case when input comes in edx.
8949 (udivmodhi4): Do not use constraints in exander.
8950 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
8952 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
8954 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
8955 for the common case.
8957 1999-11-16 Jakub Jelinek <jakub@redhat.com>
8959 * explow.c (hard_function_value): Add outgoing argument.
8960 * expr.h (hard_function_value): Declare it.
8961 * calls.c (expand_call, emit_library_call_value): Update callers.
8962 * function.c (aggregate_value_p): Ditto.
8963 (diddle_return_value): Must look at the outgoing registers
8964 on archs with register windows.
8966 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
8968 * alpha.c (alpha_build_va_list): Use make_lang_type and
8969 initialize TYPE_NAME for the va_list record.
8971 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
8973 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
8975 * ggc.h (struct ggc_statistics): Rearrange elements for better
8976 packing on 64-bit hosts.
8977 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
8978 (compute_nearerout): Likewise.
8980 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
8982 * config/rs6000/rs6000.c (first_reg_to_save): Save
8983 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
8985 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
8987 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
8988 notion of nesting to find the DIE for a type or function.
8989 DIEs can go in limbo even if we got a context_die.
8990 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
8991 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
8993 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
8994 (gen_type_die): Writing out the context doesn't cause member class
8995 template instantiations to be written out as well.
8997 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
8999 * rs6000.h (ASM_OUTPUT_DEF): New.
9000 Based on proposed addition from David Edelsohn.
9002 1999-11-15 Robert Lipe <RobertLipe@usa.net>
9003 Bruce Korb <autogen@linuxbox.com>
9005 * fixinc/inclhack.def
9006 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
9007 (unixware7_byteorder_fix): added. Removes conflicts for new defs
9009 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
9010 (svr4_endian): enabled with SVR5
9011 (svr4_mkdev): simplified syntax and enabled with SVR5
9013 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
9015 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
9016 * configure: Rebuilt.
9017 * config/t-freebsd-thread: New file.
9019 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
9021 * i386.c (ix86_decompose_address): Verify the base is a REG
9022 before trying to examine its register number.
9024 * basic-block.h: Remove all #defines and prototypes related to
9026 (free_bb_mem, compute_preds_succs): Remove prototype.
9027 * rtl.h (free_bb_mem): Remove prototype.
9028 * flow.c (alloc_int_list_node); Remove function.
9029 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
9030 (compute_preds_succs, free_bb_mem): Likewise.
9031 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
9032 * toplev.c (rest_of_compilation): Likewise.
9033 * haifa-sched.c (build_control_flow): Use flow generated edge
9034 list to build the haifa specific edge list.
9035 (find_rgns): Use new CFG data structures instead of pred/succ lists.
9036 (schedule_insns): Do not build pred/succ lists anymore. Instead
9037 build the edge table.
9039 * basic-block.h (dump_bb_data): Remove declaration.
9040 * flow.c (dump_bb_data): Remove function.
9041 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
9042 (sbitmap_union_of_predsucc): Likewise.
9044 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
9045 argument. All callers changed.
9046 (delete_null_pointer_checks_1): No longer need to compute the
9049 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
9050 All callers changed.
9051 (pre_expr_reaches_here_p_work): Likewise.
9052 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
9053 * lcm.c (compute_laterin): Fix initialization of LATER.
9054 (compute_nearerout): Similarly for NEARER.
9056 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9058 * cse.c (set_nonvarying_address_components): Delete unused function.
9059 (refers_to_p): Likewise.
9061 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
9063 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
9066 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9068 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
9069 definition in do while (0).
9071 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
9073 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
9075 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
9077 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
9079 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
9081 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
9082 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
9083 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
9084 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
9086 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
9087 saved on the stack. Output more accurate stack frame statistics
9088 into assembler file.
9090 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
9092 * genextract.c (record_insn_name): New function.
9093 (get_insn_name): No longer a stub.
9094 (main): Call record_insn_name for each insn. After each label
9095 written, print the insn name in a comment.
9097 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9099 * output.h (const_section, init_section, fini_section): Add
9102 * alpha/elf.h (const_section): Delete declaration.
9104 * svr4.h (const_section): Likewise.
9106 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
9108 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
9109 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
9110 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
9112 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
9113 variable-sized array bounds.
9115 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
9117 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
9120 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9122 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
9123 addresses the same way GO_IF_LEGITIMATE_INDEX does.
9125 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9127 * cse.c (hash_arg_in_struct): Delete.
9128 (struct table_elt): Delete elt in_struct.
9129 (struct set): Delete elt src_in_struct.
9130 (merge_equiv_classes): Don't set either hash_arg_in_struct or
9131 the corresponding in_struct elts.
9132 (canon_hash): Likewise.
9133 (safe_hash): Likewise.
9134 (find_best_addr): Likewise.
9135 (record_jump_cond): Likewise.
9136 (cse_insn): Likewise.
9138 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
9140 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
9142 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
9145 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
9147 * function.c (diddle_return_value): Put back check that the DECL_RTL
9148 for the function is a register.
9150 * function.c (diddle_return_value): Use hard_function_value to
9151 get an rtx suitable for use in the USE/CLOBBER insn.
9153 * global.c (global_conflicts): Update comments.
9154 (record_conflicts): No need to record conflicts between pseudos here.
9156 1999-11-11 Bruce Korb <autogen@linuxbox.com>
9158 * fixinc/fixincl.c: Added verbose levels for status messages
9160 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9162 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
9163 operand as argument to expand_and or expand_binop.
9165 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
9167 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
9168 gcc_add_string_root.
9170 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
9172 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
9174 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
9176 * flow.c (compute_flow_dominators): Initially put all blocks on
9178 * lcm.c (compute_antinout_edge, compute_available): Similarly.
9179 * gcse.c (compute_cprop_avinout): Remove.
9180 (compute_cprop_data): Use compute_available.
9181 (delete_null_pointer_checks_1): Use compute_available.
9183 * basic-block.h (compute_available): Returns a void now.
9184 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
9185 to return a value anymore.
9186 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
9187 worklists. Fix boundary cases. Compute maximal solutions.
9188 (compute_laterin, compute_nearerout): Similarly.
9190 * dwarf2out.c (add_AT_location_description): Allow
9191 (mem (plus (pseudo) (...)) too.
9193 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
9195 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
9197 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
9198 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9200 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
9202 * gansidecl.h: Likewise.
9208 * toplev.h: Likewise.
9214 * varray.c: Likewise.
9216 * varray.h: Likewise.
9218 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
9220 * gcov.c (struct arcdata): Add hits and total, remove prob.
9221 (output_branch_counts): New.
9222 (process_args): Set output_branch_counts if -c.
9223 (calculate_branch_probs): Store hits and total instead of
9225 (output_data): Emit counts if output_branch_counts is true.
9226 * gcov.texi (Invoking Gcov): Document -c switch..
9228 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
9230 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
9231 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
9233 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
9235 * invoke.texi (C Dialect Options): Add missing builtins from
9237 * extend.texi (Other Builtins): Copy to this list.
9239 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9241 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
9242 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
9245 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
9247 * flow.c (compute_flow_dominators): No longer treat basic block 0
9248 or (n_basic_blocks - 1) specially. Clear the AUX field before
9249 starting computation of doms/pdoms. Fix initial state for pdoms.
9251 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9253 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
9254 match rtl.o's: added ggc.h and toplev.h
9255 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
9256 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
9257 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
9259 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
9261 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
9262 from HAVE_DOS_BASED_FILESYSTEM.
9263 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
9264 HAVE_DOS_BASED_FILESYSTEM.
9266 (split_directories): Only special-case DOS file names if
9267 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
9268 instead of explicit tests. Conditionalize on !VMS.
9269 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
9270 tests. Conditionalize on !VMS.
9271 (process_command): Only use make_relative_prefix if !VMS.
9272 (free_split_directories): Conditionalize on !VMS.
9273 (DIR_UP): Conditionalize on !VMS.
9275 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
9277 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
9279 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
9281 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
9284 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
9286 * invoke.texi (Environment Variables): Document relative path
9288 * gcc.c (DIR_UP): If not defined, define as "..".
9289 (standard_bindir_prefix): New static, holds target location to
9291 (split_directories): New function to split a filename into
9292 component directories.
9293 (free_split_directories): New function, release memory allocated
9294 by split_directories.
9295 (make_relative_prefix): New function, make a relative pathname if
9296 the compiler is not in the expected location.
9297 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
9298 can figure out an appropriate prefix from argv[0].
9299 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
9300 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
9301 STANDARD_BINDIR_PREFIX.
9303 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9305 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
9307 * config/c4x/c4x.h: Moved prototypes to c4x.h.
9308 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
9309 c4x_secondary_memory_needed) Delete.
9310 (fp_zero_operand): Add mode argument.
9312 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
9314 * reload1.c (reload_reg_free_for_value_p): Don't use a register
9315 that is in reload_reg_used.
9317 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
9319 * config/arm/arm-protos.h: New file: Prototypes for functions
9320 defined in arm.c and pe.c.
9321 * config/arm/arm.h: Fix compile time warnings.
9322 * config/arm/arm.c: Fix compile time warnings.
9323 * config/arm/pe.h: Fix compile time warnings.
9324 * config/arm/aout.h: Fix compile time warnings.
9326 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
9328 * config/m32r/m32r-protos.h: New file: Prototypes for functions
9331 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
9332 Add support for subtargets.
9333 Add prototypes for new predicates.
9334 Add scheduling macros.
9336 * config/m32r/m32r.c: Fix compile time warnings.
9337 (int8_operand): New predicate function.
9338 (reg_or_cmp_int16_operand): New predicate function.
9339 (extend_operand): New predicate function.
9340 (m32r_adjust_code): New scheduling function.
9341 (m32r_adjust_priorty): New scheduling function.
9342 (m32r_sched_init): New scheduling function.
9343 (m32r_sched_reorder): New scheduling function.
9344 (m32r_sched_variable_issue): New scheduling function.
9345 (direct_return): New codegen function.
9346 (m32r_not_same_reg): New rtl testsing function.
9348 * config/m32r/m32r.md: Fix compile time warnings.
9349 Add support for pre decrement and post increment memory
9354 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9356 * global.c (EXECUTE_IF_CONFLICT): Don't define.
9357 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
9358 (find_reg): Likewise.
9360 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
9362 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
9363 to avoid assembler errors.
9365 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
9367 * config/v850/v850-protos.h: New file: Prototypes for functions
9369 * config/v850/v850.h: Move prototypes to v850-protos.h
9370 * config/v850/v850.c: Move prototypes to v850-protos.h
9371 * config/v850/v850.md: Fix compile time warnings.
9373 * config/fr30/fr30-protos.h: New file: Prototypes for functions
9375 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
9376 * config/fr30/fr30.c: Fix compile time warnings.
9377 * config/fr30/fr30.md: Fix compile time warnings.
9379 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
9381 * tree.h (get_containing_scope): Declare it.
9382 * tree.c (get_containing_scope): New fucntion.
9383 (decl_function_context): Use it.
9384 * toplev.c (rest_of_compilation): Use get_containing_scope.
9386 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9388 * Makefile.in (rtl.o): Depend on toplev.h.
9390 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
9392 * cse.c (delete_trivially_dead_insns): Replace alloca with
9394 * except.c (update_rethrow_references): Likewise.
9395 (init_eh_nesting_info): Likewise.
9396 * function.c (identify_blocks): Likewise.
9397 * gcse.c (dump_hash_table): Likewise.
9398 * graph.c (print_rtl_graph_with_bb): Likewise.
9399 * loop.c (combine_movables): Likewise.
9400 (move_movables): Likewise.
9401 (count_loop_regs_set): Likewise.
9402 (strength_reduce): Likewise.
9403 * profile.c (compute_branch_probabilities): New function, split
9405 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
9406 * regclass.c (regclass): Likewise.
9407 * regmove.c (regmove_optimize): Likewise.
9408 * toplev.c (compile_file): Likewise.
9409 (main): Don't mess with the stack rlimit.
9411 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
9413 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
9414 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
9416 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
9418 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
9420 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
9422 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
9423 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
9426 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
9428 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
9430 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
9432 * gcse.c (post_dominators): Kill.
9433 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
9434 (compute_code_hoist_data): Use compute_flow_dominators. Do not
9435 pass in a pdom array since we do not need pdoms.
9436 * haifa-sched.c (schedule_insns): Similarly.
9437 * flow.c (compute_dominators): Remove dead function.
9438 (compute_flow_dominators): Do not compute doms or pdoms if the
9439 caller does not request them. Split up loop to build doms and
9440 pdoms. Use a worklist to compute doms and pdoms.
9441 * basic-block.h (compute_dominators): Remove prototype.
9443 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
9445 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
9446 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
9447 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
9448 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
9449 (cant_move, fed_by_spec_load, is_load_insn): Remove.
9450 (schedule_region): Remove unused variable.
9451 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
9453 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
9455 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
9456 (update_equiv_regs): Likewise.
9457 (block_alloc): Likewise.
9458 * reg-stack.c (reg_to_stack): Likewise.
9459 (convert_regs_2): Likewise.
9460 * reload1.c (reload_as_needed): Likewise.
9462 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
9464 * Makefile.in (dbxout.o): Depend on ggc.h.
9465 (dwarf2out.o): Likewise.
9466 (xcoffout.o): Likewise.
9467 * dbxout.c: Include ggc.h.
9468 (dbxout_init): Register lastfile as a root.
9469 * dwarf2out.c: Include ggc.h.
9470 (dwarf2out_line): Register lastfile as a root.
9471 * xcoffout.c: Include ggc.h.
9472 (xcoffout_source_line): Register xcoff_lastfile as a root.
9474 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
9476 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
9478 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
9480 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
9482 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
9484 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9486 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
9487 (EXECUTE_IF_CONFLICT): Likewise.
9488 (ALLOCNO_LIVE_P): Avoid signed division.
9489 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
9490 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
9491 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
9493 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
9495 * haifa-sched.c (schedule_block): Don't crash if there's no
9496 next insn for an interblock movement.
9497 (add_branch_dependences): Don't allow clobber insns to move either.
9499 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
9501 * i386.c (split_xf): New.
9502 * i386-protos.h: Declare it.
9503 * i386.md (movxf_1): Add general regs alternatives.
9504 (movxf_1+1): New splitter for same.
9506 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
9508 * function.c (purge_addressof_1): Add missing return values.
9510 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
9512 * function.c (is_addressof): New function. Returns true if
9513 the given piece of RTL is an ADDRESSOF.
9514 (purge_addressof_1): Make boolean. Return false if the
9515 ADDRESSOFs could not be purged.
9516 (purge_addressof): If ADDRESSOFs could not be purged from the
9517 notes attached to an insn, remove the offending note(s),
9518 unless they are attached to a libcall.
9520 1999-11-05 Andreas Jaeger <aj@suse.de>
9522 * genoutput.c (null_operand =): Initialize all fields.
9524 * errors.h: Add extern to prototypes.
9526 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
9528 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
9529 * configure: Rebuilt.
9531 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9533 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
9534 (mirror_conflicts): New function.
9535 (global_alloc): Call it.
9536 (expand_preferences): Remove redundant CONFLICTP test.
9537 (find_reg, dump_conflicts): Likewise.
9538 (prune_preferences): Process conflicts one word at a time.
9540 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
9542 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
9543 instead of an explicit loop.
9545 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
9547 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
9548 if REG_RETVAL check succeeds, then put classp in src_elt.
9550 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
9552 * function.c (pad_to_arg_alignment): Only update argument_pad
9553 if the argument's alignment is greater than STACK_BOUNDARY.
9555 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
9557 * bitmap.h (BITMAP_XFREE): New.
9558 * flow.c (life_analysis): Use it.
9559 (life_analysis_1): Free blocks.
9561 * combine.c (undo_commit): New.
9562 (try_combine): Use it. Don't zap undobuf.undos.
9563 (combine_instructions): Don't zap undobuf.undos; free the
9566 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
9568 * stmt.c (cost_table_): New.
9569 (estimate_case_costs): Use it instead of xmalloc.
9571 * toplev.c (compile_file): Reuse dumpname memory instead
9574 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
9576 * reg-stack.c (convert_regs_1): Initialize target_stack->top
9577 after verifying an EH edge.
9579 * haifa-sched.c (init_rgn_data_dependences): Correctly
9580 size bb_pending_lists_length when zeroing.
9582 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
9584 * function.c (diddle_return_value): New.
9585 (expand_function_end): Use it.
9586 * stmt.c (expand_null_return): Likewise.
9587 (expand_value_return): Likewise.
9589 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
9591 * reload1.c (reload): Don't remove return value clobbers.
9593 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
9595 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
9597 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
9599 * cse.c (cse_main): Use xmalloc, not alloca.
9600 (cse_basic_block): Likewise.
9601 * local-alloc.c (local_alloc): Likewise.
9603 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
9604 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9606 * rtl.c: Include toplev.h.
9607 (fatal): Remove declaration.
9609 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
9611 * haifa-sched.c (schedule_block): Fix thinko.
9613 1999-11-03 James McKelvey <mckelvey@fafnir.com>
9615 * fixinc/fixincl.c(create_file): Allow for systems that do not have
9616 S_IR* defined values
9618 1999-11-03 Philippe De Muyter <phdm@macqel.be>
9620 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
9621 call `malloc' instead.
9623 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
9625 * flags.h (flag_renumber_insns): Declare.
9626 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
9628 * rtl.h (renumber_insns): Change prototype.
9629 * toplev.c (flag_renumber_insns): Define.
9630 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
9632 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
9634 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
9635 and fpsqrtd. Use them and create fdiv function unit to more
9636 accurately represent fpu sqrt pipeline semantics on UltraSparc.
9637 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
9639 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
9641 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
9643 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
9644 insn into ready list, do not use just a raw swap.
9646 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
9648 * rtl.h (renumber_insns): New function.
9649 (remove_unnecessary_notes): Likewise.
9650 * emit-rtl.c (renumber_insns): Define.
9651 (remove_unncessary_notes): Likewise.
9652 * toplev.c (rest_of_compilation): Remove dead code.
9653 Use renumber_insns and remove_unncessary_notes.
9655 * gcse.c (struct null_pointer_info): New type.
9656 (get_bitmap_width): New function.
9657 (current_block): Remove.
9658 (nonnull_local): Likewise.
9659 (nonnull_killed): Likewise.
9660 (invalidate_nonnull_info): Take a null_pointer_info as input.
9661 (delete_null_pointer_checks_1): New function.
9662 (delete_null_pointer_checks): Use it.
9664 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
9665 (split_edges): Likewise.
9666 (schedule_block): Likewise.
9667 (compute_block_backward_dependencies): Likewise.
9668 (schedule_region): Likewise.
9669 (schedule_insns): Likewise.
9671 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
9673 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
9674 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
9675 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
9676 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
9677 * jump.c (delete_unreferenced_labels): Don't delete if
9678 LABEL_ALTERNATE_NAME is set.
9679 * print-rtl.c (print_rtx): Dump alternate name.
9680 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
9681 * rtl.h (LABEL_ALTERNATE_NAME): Define.
9682 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
9683 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
9685 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9687 * fix-header.c (recognized_extern, recognized_function): Constify
9690 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
9691 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
9692 (compute_available): Remove unused variable `last'.
9693 (compute_nearerout): Remove unused variable `temp_bitmap'.
9694 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
9695 Remove unused variable `x'.
9697 * scan.h (recognized_function, recognized_extern): Constify a
9700 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
9702 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9704 * varasm.c (decode_rtx_const): Use XSTR to access the string
9707 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
9709 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
9711 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9713 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
9715 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
9717 * pa.c (ireg_operand): New function.
9718 * pa.h (PREDICATE_CODES): Handle ireg_operand.
9719 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
9720 Fix out of date comment.
9722 * pa.md (negdi2): Turn into expander + anonymous pattern.
9724 * reload.c (find_reloads): Fix typos in recent change.
9726 * dwarf2out.c: Do not include ctype.h.
9728 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9730 * regclass.c (record_reg_classes): Always use may_move_cost when
9731 seeing how operand fits with various register classes.
9733 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
9735 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
9736 * toplev.c: Revert Nov 1 13:22 change.
9738 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
9740 * config/pa/pa.md (height reduction patterns): Add checks for
9741 overlapping operands to avoid semantic-destroying splits for
9742 height reduction patterns.
9744 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9746 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
9747 have been an hyphen, fixed.
9748 * configure: Rebuilt.
9750 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
9752 * config/arm/tpe.h: Add prototypes for exported functions.
9753 * config/arm/pe.c: Fix compile time warnings.
9754 * config/arm/semi.h: Fix compile time warnings.
9755 * config/arm/arm.c: Fix compile time warnings.
9756 * config/arm/arm.h: Fix compile time warnings.
9757 * config/arm/arm.md: Fix compile time warnings.
9758 * config/arm/thumb.c: Fix compile time warnings.
9759 * config/arm/thumb.h: Fix compile time warnings.
9760 * config/arm/thumb.md: Fix compile time warnings.
9762 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
9764 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
9767 * unroll.c (unroll_loop): Remove LOOP notes when loop is
9768 completely unrolled.
9770 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9772 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
9774 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
9776 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
9777 * rtl.h (rtx_equal_p): Move prototype.
9778 * rtl.c (rtx_equal_function_value_matters): Move from
9780 (rtx_equal_p): Likewise.
9781 * rtlanal.c (rtx_equal_function_value_matters): Delete.
9782 (rtx_equal_p): Likewise.
9784 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
9786 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
9789 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
9791 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
9793 * pa.h (ADDR_VEC_ALIGN): Define.
9795 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
9796 notes when presented with "if (foo) break; end_of_loop" and
9797 the break sequence gets moved out of the loop.
9799 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
9800 Remove explicit zero initializations of entries within MAP.
9802 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
9804 * reg-stack.c (convert_regs_1): Handle EH edges specially.
9806 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
9808 * bitmap.h (BITMAP_XMALLOC): New macro.
9809 * flow.c (CLEAN_ALLOCA): Remove.
9810 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
9811 (life_analysis): Likewise.
9812 (update_life_info): Don't use CLEAN_ALLOCA.
9813 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
9814 (calculate_global_regs_live): Likewise.
9815 (print_rtl_with_bb): Likewise.
9816 (verify_flow_info): Likewise.
9817 * global.c (global_alloc): Likewise.
9818 (global_conflicts): Likewise.
9819 * integrate.c (save_for_inline_nocopy): Likewise.
9820 (expand_inline_function): Likewise.
9821 * jump.c (jump_optimize_1): Likewise.
9822 (duplicate_loop_exit_test): Likewise.
9823 (thread_jumps): Likewise.
9824 * loop.c (loop_optimize): Likewise.
9825 (combine_givs): Likewise.
9826 (recombine_givs): Likewise.
9827 * reorg.c (dbr_schedule): Likewise.
9828 * unroll.c (unroll_loop): Likewise.
9830 * combine.c (combine_instructions): Use xmalloc instead of alloca.
9832 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
9834 * toplev.c (rest_of_compilation): Don't optimize the CFG
9835 when rebuilding, just before dbr.
9837 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9839 * output.h (assemble_end_function, assemble_destructor,
9840 assemble_constructor, assemble_gc_entry, assemble_global,
9841 assemble_label, output_constant_pool) Constify a char*.
9843 * varasm.c (assemble_destructor, assemble_constructor,
9844 assemble_gc_entry, assemble_end_function, assemble_global,
9845 assemble_label, output_constant_pool): Likewise.
9847 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
9849 * config/arm/thumb.c (thumb_expand_prologue): Add comments
9850 explaining what is goin on in this function.
9852 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9854 * regclass.c (record_reg_classes): In matching case, recompute
9855 costs since the direction of movement is different.
9857 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
9859 * resource.c (mark_target_live_regs): For unconditional branches,
9860 the resources found at the branch target should be added to the
9861 resources found so far, not intersected.
9863 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
9865 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
9867 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
9868 (sys/mman.h): Include this file only if #HAVE_MMAP.
9869 (run_compiles): Initialize `esac_fmt' with one old KR string, not
9870 with automatically concatenated ANSI strings.
9872 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
9874 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
9875 (DIV_ROUND_UP): Robustify.
9876 (ggc_recalculate_in_use_p): New function.
9877 (release_pages): Don't inline it.
9878 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
9880 (ggc_pop_context): Use ggc_recalculate_in_use_p.
9881 (clear_marks): Always save in_use_p.
9882 (sweep_pages): Use ggc_recalculate_in_use_p.
9883 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
9884 Release pages before counting statistics.
9886 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
9888 * toplev.c (rest_of_compilation): Fix thinko in this change:
9890 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
9892 (rest_of_compilation): If inside an inlined external function,
9893 pretend we are just being declared.
9895 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
9897 * flow.c (calculate_global_regs_live): Fix thinko.
9899 * integrate.c (expand_inline_function): Fix bugs in previous
9900 change from Oct 28, 1999.
9902 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
9904 * stmt.c (expand_value_return): Fix typo in this change:
9906 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9907 (expand_value_return): Correctly convert VAL when promoting function
9908 return; support RETURN_REG being a PARALLEL.
9910 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
9912 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
9914 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9916 * hard-reg-set.h (reg_names): Constify a char*.
9918 * regclass.c (reg_names): Likewise.
9920 * regs.h (reg_names): Likewise
9922 * a29k/a29k.c (reg_names): Delete declaration.
9924 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
9926 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
9927 arc_output_function_epilogue): Likewise.
9929 * elxsi/elxsi.c (reg_names): Likewise.
9931 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
9933 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
9936 * m88k/m88k.c (output_function_profiler): Likewise.
9938 * sparc/sparc.c (sparc_flat_output_function_prologue,
9939 sparc_flat_output_function_epilogue): Likewise.
9941 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
9943 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
9944 warning from -Wuninitialized and put it under -W.
9945 * function.c (uninitialized_vars_warning): Warn only when the
9946 corresponding flag is set.
9948 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
9950 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
9951 is nonzero and the single set does not have an elt, then assign
9954 * simplify-rtx.c: New file.
9955 * Makefile.in (OBJS): Add simplify-rtx.o
9956 (simplify-rtx.o): Add dependencies.
9957 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
9958 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
9959 (cse_gen_binary, simplify_unary_operation): Delete.
9960 (simplify_binary_operation, simplify_plus_minus): Likewise.
9961 (check_fold_consts, simplify_relation_operation): Likewise.
9962 (simplify_ternary_operation): Likewise.
9963 (delete_trivially_dead_insns): Simplify the contents of the
9964 REG_EQUAL note before trying to substitute it into the source
9965 of the reg-reg copy at the end of a libcall sequence.
9967 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
9968 references/callers changed.
9970 * mn10200.c (mn10200_va_arg): Force the return value into a
9973 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
9975 * cccp.c (macroexpand): Avoid out of range accesses for omitted
9978 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
9980 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
9982 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
9984 * fold-const.c (fold): Fix thinko when optimizing comparisons
9987 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
9989 * gcc.texi (Passes): Update front-end files to their current
9992 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
9994 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
9995 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
9996 (PREDICATE_CODES): Add addition_operation.
9997 * alpha-protos.h (addition_operation): Declare.
9998 (secondary_reload_class): Likewise.
9999 * alpha.c (addition_operation): New.
10000 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
10001 * alpha.md (adddi3): Turn into expander.
10002 (*lda, *adddi_2): New.
10003 (movsf, movdf patterns): Don't preference integer regs.
10004 (movsi, movdi patterns): Don't preference fp regs.
10006 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
10008 * genrecog.c (write_switch): Check for duplicate CODE cases.
10010 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
10012 * ggc-common.c: Update pre-function commentary.
10013 * ggc-page.c: Likewise.
10015 (poison_pages): Use memset directly.
10016 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
10017 (ggc_collect): Poison before sweeping.
10018 * ggc-simple.c: Update pre-function commentary.
10019 (ggc_alloc_obj): Poison non-zeroed memory.
10021 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
10023 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
10024 match format string, even on 64-bit hosts.
10025 * gcc-page.c (ggc_page_print_statistics): Likewise.
10027 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
10029 * config/i386/i386.c (ix86_cpu): Revert last patch.
10030 * config/i386/i386.h (ix86_cpu): Ditto.
10032 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
10034 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
10035 TYPE_SIZE, convert type of result to sizetype.
10037 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
10039 * flow.c (count_or_remove_death_notes): Equate NULL with the
10042 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
10043 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
10046 * i386.c (pic_label_no): Delete.
10047 (ix86_attr_length_default): Don't use single_set to peek
10050 * recog.c (peephole2_optimize): Allow recog_next_insn to index
10051 the first insn after bb->end.
10052 * i386.md (push mem peeps): Scratch is live after evaluation
10054 (cmp mem peep): Similarly.
10056 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
10058 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
10059 * function.c (pad_to_arg_alignment): Add missing braces.
10061 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10063 * alpha/alpha-protos.h (literal_section): Add prototype.
10064 (alpha_need_linkage, alpha_start_function,alpha_end_function):
10067 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
10069 (alpha_start_function, alpha_end_function, float_strings,
10070 alpha_need_linkage): Constify a char*
10072 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
10074 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
10076 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10078 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10080 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10082 * flow.c (debug_flow_info): Add prototype.
10084 * gcc.c (main): Likewise.
10086 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
10089 * reload1.c (failed_reload, set_reload_reg): Likewise.
10091 * mips-tfile.c (main): Likewise.
10092 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
10093 with ATTRIBUTE_NORETURN.
10095 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
10097 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
10098 DECL is not a memory ref.
10100 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
10102 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
10103 * config/i386/i386.c (ix86_cpu): Add extern attribute.
10105 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
10107 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
10108 * config/mips/elf64.h: ditto.
10110 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
10112 * expr.c (emit_push_insn): New argument alignment_pad.
10113 Update all callers. Adjust stack pointer based on alignment pad.
10114 * function.c (pad_to_arg_alignment): New argument alignment_pad.
10115 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
10116 (locate_and_pad_parm): New argument alignment_pad. Update all
10118 * expr.h (emit_push_insn): Update prototype.
10119 (locate_and_pad_parm): Update prototype.
10120 * calls.c (arg_data): Add new field alignment_pad.
10121 (initialize_argument_information): Initialize alignment_pad.
10123 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
10125 * except.c (free_eh_nesting_info): Free the info itself.
10126 * function.c (free_after_compilation): Don't free NULL.
10127 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
10128 (pre_edge_insert): Free inserted.
10129 * stmt.c (free_stmt_status): Don't free NULL.
10131 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
10133 * gcov.c (DIR_SEPARATOR): Provide default.
10134 (output_data): Add test for MS-DOS format absolute filename.
10135 (fancy_abort): Correct program name.
10136 (open_files): Open all files in binary mode.
10137 * libgcc2.c (__bb_exit_func): Likewise.
10139 * profile.c (init_branch_prob): Specify binary when opening files.
10141 * flags.h (flag_unwind_tables): New decl.
10142 * toplev.c (flag_unwind_table): New definition.
10143 (f_options): Add -funwind-tables.
10144 (decode_g_option): Clarify warning when unknown -g option is given.
10145 (rest_of_compilation): If inside an inlined external function,
10146 pretend we are just being declared.
10148 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
10149 (dwarf2out_frame_finish): Likewise.
10151 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
10153 * fold-const.c (merge_ranges): If not in0, but in1, handle
10154 upper bounds equal like subset case.
10156 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
10158 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
10159 passed in a register but moved to the stack.
10161 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
10163 * gcc.c (pass_exit_codes, greatest_status): New variables.
10164 (struct option_map): Add entry for "--pass-exit-codes".
10165 (execute): Update greatest_status if error.
10166 (display_help): Add documentation for -pass-exit-codes.
10167 (process_command): Handle -pass-exit-codes.
10168 (main): Look at pass_exit_codes and greatest_status on call to exit.
10170 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10172 * reload.c (find_reloads): Refine test for no input reload
10173 case to not includes reloads emitted after insn.
10175 * function.c (find_temp_slots_from_address): Handle sum involving
10176 a register that points to a temp slot.
10177 (update_temp_slot_address): Make recursive call if both old and
10178 new are PLUS with a common operand.
10179 * calls.c (expand_call): Mark temp slot for result as having
10182 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
10184 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
10185 component as well as "BINUTILS".
10187 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
10188 * integrate.c (copy_rtx_and_substitute): Likewise.
10189 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
10190 All callers changed.
10191 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
10193 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
10194 gdb extensions, write size of type; also be more consistent
10195 in using references when this is a subtype.
10197 * pa.md (extv, extzv, insv): Use define_expand to reject constant
10198 that is out of range.
10200 * loop.c (unknown_constant_address_altered): New variable.
10201 (prescan_loop): Initialize it.
10202 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
10203 (invariant_p, case MEM): Remove handling for volatile and readonly;
10204 check new variable if readonly.
10205 (check_dbra_loop): Chdeck unknown_constant_address_altered.
10207 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
10208 (addr_affects_sp_p): Removed from note_mem_written and only
10209 define #ifdef AUTO_INC_DEC.
10211 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
10213 * regclass.c (record_reg_classes): Properly handle register move
10216 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
10217 Don't think valid if both operands are invalid.
10218 (struct constant_descriptor): New field RTL.
10219 (mark_const_hash_entry): Mark it.
10220 (record_constant{,_rtx}): Initialize it.
10221 (output_constant_def): Allocate RTL in permanent obstack and
10223 ({record,compare}_constant_1): Modes must match for
10224 CONSTRUCTOR of ARRAY_TYPE.
10226 * c-common.h (initializer_constant_valid_p): Delete decl from here.
10227 * output.h (initializer_constant_valid_p): Move decl to here.
10228 * c-common.c (initializer_constant_valid_p): Delete function from here.
10229 * varasm.c (initializer_constant_valid_p): Move function to here.
10231 * tree.h (STRIP_SIGN_NOPS): New macro.
10232 * fold-const.c (optimize_minmax_comparison): New function.
10233 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
10234 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
10235 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
10236 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
10237 widening conversions.
10238 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
10239 to look at size of mode, not precision of type; also add missing cases.
10240 (optimize_bit_field_compare, decode_field_reference): Don't try to
10241 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
10243 * dwarf2out.c (ctype.h): Include.
10244 (dwarf2out_set_demangle_name_func): New function.
10245 (size_of_line_info): Deleted.
10246 (output_line_info): Compute size of line info table from difference
10248 (base_type_die, add_name_attribute): Call demangle function, if any.
10249 (field_byte_offset): Use bits per word for variable length fields.
10250 (gen_array_type_die): Add array name.
10251 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
10252 (dwarf2out_add_library_unit_info): New function.
10254 * explow.c (set_stack_check_libfunc): New function.
10255 (stack_check_libfunc): New static variable.
10256 (probe_stack_range): Allow front-end to set up a libfunc to call.
10258 * combine.c (simplify_comparison): When making comparison in wider
10259 mode, check for having commuted an AND and a SUBREG.
10260 (contains_muldiv): New function.
10261 (try_combine): Call it when dividing a PARALLEL.
10262 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
10263 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
10265 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
10266 use one of the CLOBBERs instead.
10267 (if_then_else_cond): If comparing against zero, just return thing
10270 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
10271 Don't generate shifts and subtract if have conditional arithmetic.
10273 * rtl.h (delete_barrier): New declaration.
10274 * jump.c (jump_optimize): Set up to handle conditional call.
10275 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
10276 (delete_barrier): New function.
10278 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
10280 * recog.c (nonmemory_operand): Accept ADDRESSOF.
10282 * tree.c (build_type_attribute_variant): Push to obstack of
10283 ttype around type_hash_canon call.
10285 * expr.c (placeholder_list): Move decl to file scope.
10286 (expand_expr): Don't force access to volatile just because its
10288 If ignoring reference operations, just expand the operands.
10289 (expand_expr, case COMPONENT_REF): Propagate
10290 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
10291 Refine test for using bitfield operations vs pointer punning.
10292 (expand_expr, case CONVERT_EXPR): If converting to
10293 BLKmode UNION_TYPE from BLKmode, just return inner object.
10294 Use proper mode in store_field call.
10295 Properly set sizes of object to store and total size in store_field
10296 call for convert to union.
10297 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
10298 memory (like for ADDR_EXPR). Also, don't put constant in register if
10299 we'll want it in memory.
10300 (readonly_fields_p): New function.
10301 (expand_expr, case INDIRECT_REF): Call it if LHS.
10302 (expand_assignment): Handle a RESULT_DECL where
10303 DECL_RTL is a PARALLEL.
10304 (do_jump, case WITH_RECORD_EXPR): New case.
10305 (get_inner_reference): Always go inside a CONVERT_EXPR
10306 and NOP_EXPR if both modes are the same.
10307 (store_field): Use bitfield operations if size of bitsize is not same
10308 as size of RHS's type.
10309 Check for bitpos not a multiple of alignment in BLKmode case.
10310 Do block move in largest possible alignment.
10311 (store_constructor): Set BITSIZE to -1 for variable size and properly
10312 in case of array of BLKmode.
10313 (expand_expr_unaligned): New function.
10314 (do_compare_and_jump): Call it.
10316 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
10317 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
10318 does not include 'o'.
10320 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
10321 both SET_DEST and SET_SRC reference a virtual register.
10322 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
10324 * integrate.c (expand_inline_function): Handle case of setting
10325 virtual stack vars register (from built in setjmp); when parameter
10326 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
10327 (subst_constant): Add new parm, MEMONLY.
10328 (expand_inline_function, integrate_parm_decls): Pass new parm.
10329 (integrate_decl_tree): Likewise.
10330 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
10331 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
10332 (copy_rtx_and_substitute, case SET): Add explicit calls to
10333 copy_rtx_and_substitute for both sides.
10335 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
10337 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
10338 within INDEX_TYPE, instead of before.
10339 (fixup_gotos): Use f->target_rtl, not the next insn,
10340 since latter may be from a later fixup.
10341 (expand_value_return): Correctly convert VAL when promoting function
10342 return; support RETURN_REG being a PARALLEL.
10343 (expand_return): When checking for result in regs and having
10344 cleanup, consider PARALLEL in DECL_RTL as being in regs.
10346 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
10348 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
10349 last_nominal_fname): Mark const.
10350 (struct include_hash: name, nshort, control_macro): Mark
10352 (struct macrodef: symnam): Mark const.
10353 (struct if_stack: fname): Mark const.
10354 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
10355 (IStable): New character-syntax array which encompasses all
10356 the old is_foo arrays.
10357 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
10358 is_space): New macros for interrogating IStable.
10359 (check_macro_name): Kill last argument. All callers changed.
10361 * cppinit.c (initialize_char_syntax): Delete.
10362 (is_idchar, is_idstart, is_hor_space, is_space,
10363 trigraph_table): Delete.
10364 (IStable): New. Initialize with clever macros to avoid
10365 information duplication.
10366 (builtin_array): Table of builtins to get rid of explicit list
10367 in initialize_builtins.
10368 (initialize_builtins): Use builtins_array.
10369 (cpp_start_read): Call init_IStable, and set IStable['$'] if
10370 opts->dollars_in_ident.
10372 * cppexp.c: Change all refs to is_xyz[] arrays to use new
10374 (cpp_parse_expr): Avoid 'format string is not constant'
10375 warning. Use ISGRAPH to identify printable chars.
10376 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
10378 (read_and_prescan): Map trigraphs to chars with open-coded
10379 if-else-if-... sequence, not a lookup table.
10380 * cpphash.c: Change all refs to is_xyz[] arrays to use new
10382 * cpplib.c: Change all refs to is_xyz[] arrays to use new
10383 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
10384 (check_macro_name): Remove ability to report an invalid
10385 assertion name, which is never used.
10386 (do_line): Constify a couple of char *'s.
10387 * cppmain.c (main): Call cpp_cleanup before returning.
10389 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
10391 * ggc.h (struct ggc_statistics): New type.
10392 (ggc_get_size): New function.
10393 (ggc_print_statistics): Likewise.
10394 * ggc-common.c (ggc_stats): New variable.
10395 (ggc_mark_rtx_children): Keep statistics.
10396 (ggc_mark_tree_children): Likewise.
10397 (ggc_print_statistics): New function.
10398 * ggc-page.c (struct globals): Add bytes_mapped field.
10399 (alloc_anon): Update it.
10400 (release_pages): Likewise.
10401 (ggc_get_size): New function.
10402 (ggc_page_print_statistics): New function.
10403 * ggc-simple.c (ggc_get_size): New function.
10405 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
10407 * flow.c (propagate_block): When the last reference to a label
10408 before an ADDR_VEC is deleted because the reference is a dead
10409 store, delete the ADDR_VEC.
10411 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
10413 * resource.c (find_free_register): Don't use the frame pointer
10414 if frame_pointer_needed.
10416 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
10418 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
10419 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
10421 * config/i960/i960.c (i960_va_start): New locals base, num.
10422 Use INDIRECT_REF instead of ARRAY_REF on valist.
10423 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
10425 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
10427 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
10429 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
10431 * tree.def (PLACEHOLDER_EXPR): Update comments.
10433 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10435 * c-common.c (check_format_info): Avoid non-literal format string
10436 warnings when `first_arg_num' is zero.
10438 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10440 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
10442 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
10444 * arm.md (casesi_insn): Add a clobber of the condition code
10447 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
10449 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
10450 used by both cc1 and cc1plus.
10452 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
10454 * config/arm/arm.c: Initialise arm_structure_size_boundary to
10455 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
10456 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
10457 to the value 32 if it has not already been defined.
10458 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
10459 Override definition in arm.h with a value of 8.
10461 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
10463 * c-pragma.c (push_alignment): Don't check the return value
10466 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
10468 * sparc.h (ADJUST_COST): Fix thinko.
10470 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
10472 * cccp.c (rescan): Fixed obp pointer handling around call to
10473 check_expand subroutine.
10475 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
10477 * gcse.c (delete_null_pointer_checks): Only record non-null info
10478 for pseudos when examining stores.
10480 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
10481 splitters for these patterns. Use "#" for output templates.
10482 (addsi3_carryin_shift): New pattern.
10484 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
10486 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
10487 of the function return register into a plain REG until
10488 after function inlining is done.
10490 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
10492 * jump.c (jump_optimize_1): If we did cross-jumping, and
10493 the data will matter, rebuild the CFG.
10494 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
10495 not optimizing. Don't run shorten_branches.
10496 * toplev.c (rest_of_compilation): Run shorten_branches after
10499 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
10501 * rtl.h (note_stores): Add additional paramter.
10502 * rtlanal.c (reg_set_p_1): Take additional paramter.
10503 (reg_set_last_1): Likewise.
10504 (reg_set_p): Adjust call to note_stores.
10505 (reg_set_last): Likewise.
10506 (note_stores): Pass data parameter to worker function.
10507 * alias.c (record_set): Take additional parameter.
10508 (init_alias_analysis): Pass it.
10509 * caller-save.c (mark_set_regs): Take additional parameter.
10510 (save_call_clobbered_regs): Pass NULL to note_stores.
10511 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
10513 (record_dead_and_set_regs_1): Likewise.
10514 (reg_dead_at_p_1): Likewise.
10515 (combine_instructions): Adjust calls to note_stores.
10516 (try_combine): Likewise.
10517 (record_dead_insn): Remove.
10518 (record_dead_and_set_regs): Adjust calls to note_stores.
10519 (reg_dead_at_p): Likewise.
10520 * cse.c (invalidate_skipped_set): Take additional parameter.
10521 (cse_check_loop_start): Likewise.
10522 (cse_check_loop_start_value): Remove.
10523 (cse_set_around_loop): Adjust calls to note_stores.
10524 * flow.c (notice_stack_pointer_modification): Take additional
10525 parameter. Remove duplicate declaration.
10526 (record_volatile_insns): Adjust calls to note_stores.
10527 * gcse.c (record_set_info): Take additional parameter.
10528 (record_last_set_info): Likewise.
10529 (invalidate_nonnull_info): Likewise.
10530 (record_set_insn): Remove.
10531 (compute_sets): Adjust calls to note_stores.
10532 (last_set_insn): Remove.
10533 (compute_hash_table): Adjust calls to note_stores.
10534 (insert_insn_end_bb): Likewise.
10535 (delete_null_pointer_checks): Likewise.
10536 * global.c (mark_reg_store): Take additional parameter.
10537 (mark_reg_clobber): Likewise.
10538 (reg_becomes_live): Likewise.
10539 (global_conflicts): Adjust calls to note_stores.
10540 (build_insn_chain): Likewise.
10541 * integrate.c (note_modified_parmregs): Take additional parameter.
10542 (mark_stores): Likewise. Make it static.
10543 (save_for_inline_nocopy): Adjust calls to note_stores.
10544 (try_constants): Likewise.
10545 * integrate.h (mark_stores): Remove declaration.
10546 * jump.c (mark_modified_reg): Take additional parameter.
10547 (thread_jumps): Adjust calls to note_stores.
10548 * local-alloc.c (validate_equiv_mem_from_store): Take additional
10550 (no_equiv): Likewise.
10551 (reg_is_set): Likewise.
10552 (validate_equiv_mem): Adjust calls to note_stores.
10553 (update_equiv_regs): Likewise.
10554 (block_alloc): Likewise.
10555 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
10556 (note_addr_stored): Take additional parameter.
10557 (note_set_pseudo_multiple_uses): Likewise.
10558 (record_initial): Likewise.
10559 (prescan_loop): Adjust calls to note_stores.
10560 (strength_reduce): Likewise.
10561 (check_dbra_loop): Likewise.
10562 * regmove.c (flags_set_1): Take additional paramter.
10563 (mark_flags_life_zones): Adjust calls to note_stores.
10564 * reload1.c (mark_not_eliminable): Take additional parameter.
10565 (forget_old_reloads_1): Likewise.
10566 (reload_cse_invalidate_rtx): Likewise.
10567 (reload_cse_check_clobber): Likewise.
10568 (reload_combine_note_store): Likewise.
10569 (move2add_note_store): Likewise.
10570 (reload): Adjust calls to note_stores.
10571 (reload_as_needed): Likewise.
10572 (emit_reload_insns): Likewise.
10573 (reload_cse_regs_1): Likewise.
10574 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
10575 (reload_combine): Adjust calls to note_stores.
10576 * resource.c (update_live_status): Take additional paramter.
10577 (mark_target_live_regs): Adjust calls to note_stores.
10578 * stupid.c (find_clobbered_regs): Take additional parameter.
10579 (stupid_life_analysis): Adjust calls to note_stores.
10581 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
10583 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
10586 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
10589 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
10590 of the variable arm_structure_size_boundary.
10592 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
10594 * alias.c (init_alias_analysis): Allocate reg_known_value and
10595 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
10597 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
10598 * cse.c (cse_main): Call end_alias_analysis.
10599 * haifa-sched.c (schedule_insns): Likewise.
10600 * local-alloc. (update_equiv_regs): Likewise.
10601 * reload1.c (reload_cse_regs): Likewise.
10603 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10605 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
10606 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
10607 mapping from MASK_FPU.
10609 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
10611 * sparc.md (call): Don't bound structure return size to 0xfff.
10613 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
10615 * resource.c (mark_target_live_regs): Check that the target
10616 insn wasn't created after compute_bb_for_insn.
10618 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
10620 * ggc-page.c (poison_pages): Don't be overzealous.
10622 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
10624 * alias.c: Update comments for ADDRESS.
10625 (nonlocal_reference_p): Look inside the ADDRESS to determine if
10626 it is a local memory reference.
10628 * c-typeck.c (build_function_call): Check that the built-in
10629 function is of class BUILT_IN_NORMAL before trying to recongize
10630 it as BUILT_IN_ABS.
10631 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
10632 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
10634 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
10636 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
10638 (pre_gcse): Likewise.
10639 (hoist_expr_reaches_here_p): Likewise.
10640 (hoist_code): Likewise.
10641 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
10643 (pre_expr_reaches_here_p_work): ... here.
10644 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
10646 (expr_reaches_here_p_work): ... here.
10648 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
10650 * resource.c (find_basic_block): Delete.
10651 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
10652 (init_resource_info): Call compute_bb_for_insn.
10654 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
10656 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
10657 with already adjacent blocks, but no fallthru.
10658 (merge_blocks_move_successor_nojumps): Simplify.
10659 (debug_flow_info): New.
10661 * toplev.c (rest_of_compilation): Open jump1 dump file before
10662 jump and close after, as opposed to just using dump_rtl.
10664 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10666 * reload.h (earlyclobber_operand_p): Declare.
10667 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
10668 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
10669 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
10670 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
10672 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
10673 Richard Henderson <rth@cygnus.com>
10675 * emit-rtl.c (emit_block_insn_before): New.
10676 (emit_block_insn_after): New.
10677 * basic-block.h: Declare them.
10679 * bitmap.h: Protect from multiple inclusion.
10681 * recog.c (scratch_operand): Handle VOIDmode correctly.
10683 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
10685 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
10686 * function.c (assign_parms): Likewise.
10687 * global.c (global_conflicts): Clarify STACK_REGS commentary.
10689 * reg-stack.c (max_uid): Remove.
10690 (blocks, block_begin, block_end, block_drops_in): Remove.
10691 (block_stack_in, block_out_reg_set, block_number): Remove.
10692 (struct block_info_def, BLOCK_INFO): New.
10693 (enum emit_where): New.
10694 (current_block): New.
10695 (BLOCK_NUM): Remove.
10696 (mark_regs_pat, record_label_references): Remove.
10697 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
10699 (goto_block_pat, print_blocks, dump_stack_info): Remove.
10700 (reg_to_stack): Simplified test for existance of fp code. Use
10701 flow.c code. Call shorten_branches after cross-jump opt.
10702 (check_asm_stack_operands): Renamed from record_asm_reg_life.
10703 Return false if the asm doesn't use stack regs. Don't do life
10704 analysis on the asm.
10705 (emit_pop_insn): Replace function pointer arg `when' with
10706 enum `where'. Update all callers.
10707 (change_stack): Likewise. Update basic block end.
10708 (emit_swap_insn): Use current_block->head to limit reverse search
10709 for start of block. Use emit_block_insn_after.
10710 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
10711 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
10712 structure assignment instead of bcopy.
10713 (print_stack): New.
10714 (convert_regs_entry, convert_regs_exit): New.
10715 (convert_regs_1, convert_regs_2): Split out from convert_regs.
10716 Work on basic blocks and the CFG.
10717 (convert_regs): Use them.
10719 * i386.c (output_fix_trunc): Remove code for DImode input operand
10720 not at top-of-stack.
10721 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
10723 (fix_truncdi_1): Allow any mode scratch.
10725 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
10727 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
10728 * linux.h, netbsd.h, vms.h: Not here.
10730 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
10732 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
10733 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
10734 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
10735 CONDITIONAL_REGISTER_USEAGE): Use them.
10736 * config/mips/mips.c (mips_move_1word,mips_move_2words,
10737 gen_conditional_branch,override_options) : Use them.
10738 * config/mips/mips.md : Use them.
10740 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
10742 * i386.md (zero_extendqihi2): Use SImode register name with andl.
10744 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
10746 * integrate.c (function_cannot_inline_p): Don't allow inlining
10749 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10751 * c-parse.in (cast_expr): Constify.
10753 * cccp.c (special_symbol): Likewise.
10755 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
10757 * dwarf2out.c (base_type_die): Likewise.
10759 * global.c (allocno_compare): Likewise.
10761 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
10763 * regclass.c (fix_register): Likewise.
10765 * rtl.h (fix_register): Likewise.
10767 * stupid.c (stupid_reg_compare): Likewise.
10769 * toplev.c (decode_f_option): Likewise.
10771 * tree.c (build_complex_type): Likewise.
10773 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
10775 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
10777 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10779 * reload.c (find_reloads): Compute mode and nregs fields of all
10781 * reload1.c (calculate_needs_all_insns): Simplify a bit.
10782 (calculate_needs): Use precomputed mode/nregs values.
10783 (allocate_reload_reg): Likewise.
10785 (failed_reload, set_reload_reg): ... new functions.
10786 (choose_reload_regs_init): New function, mostly broken out from...
10787 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
10788 Also lose one #if 0 block.
10790 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
10792 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
10795 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
10797 * tree.h (BLOCK_TYPE_TAGS): Remove.
10798 (BLOCK_END_NOTE): Likewise.
10799 (BLOCK_LIVE_RANGE_FLAG): Likewise.
10800 (BLOCK_LIVE_RANGE_START): Likewise.
10801 (BLOCK_LIVE_RANGE_END): Likewise.
10802 (tree_block): Remove live_range_flag, live_range_var_flag, and
10803 type_tags. Remove end_note, live_range_start, and live_range_end.
10804 (remember_end_note): Remove prototype.
10805 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
10806 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
10808 * ggc-common.c (ggc_mark_tree_children): Don't mark
10809 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
10810 * integrate.c (adjust_copied_decl_tree): Remove.
10811 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
10812 * stmt.c (last_block_end_note): Remove.
10813 (init_stmt): Don't add a GC root for it.
10814 (expand_fixup): Don't set it.
10815 (remember_end_note): Remove.
10816 (expand_end_bindings): Don't set last_block_end_note.
10818 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10820 * reload1.c (reload_reg_free_for_value_p): Show
10821 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
10824 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
10826 * expmed.c (extract_bit_field): Allow for the case of non-integer
10827 objects that are smaller than a word (like SFmode on a 64-bit
10830 * loop.c (basic_induction_var): A non-integer variable which is
10831 being set by a paradoxical subreg is probably not a biv.
10833 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10835 * prefix.c (translate_name) Check for empty prefix string.
10837 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
10839 * Makefile.in (CPP_CROSS_NAME): New variable.
10840 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
10842 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
10843 names of the files to be uninstalled.
10845 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
10847 * collect2.c (IS_DIR_SEPARATOR): Define.
10848 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
10850 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
10853 * haifa-sched.c (add_dependence): Update the true dependency
10854 cache the first time we add a true dependence to the LOG_LINKS chain.
10856 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
10858 * fold-const.c (fold): Fix comment.
10860 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10862 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
10863 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
10864 dbxout_start_new_source_file, dbxout_source_file,
10865 dbxout_source_line, dbxout_finish, dbxout_type_fields,
10866 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
10868 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
10869 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
10870 (dbxout_block): Initialize variable `blocknum'.
10872 * dbxout.h (dbxout_init, dbxout_finish,
10873 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
10874 dbxout_args, dbxout_source_line): Constify a char*.
10876 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
10877 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
10878 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
10879 low_pc_attribute, high_pc_attribute, body_begin_attribute,
10880 body_end_attribute, comp_dir_attribute, sf_names_attribute,
10881 src_info_attribute, mac_info_attribute, producer_attribute,
10882 lookup_filename, generate_macinfo_entry, fundamental_type_code,
10883 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
10884 dwarfout_undef): Constify a char*.
10885 (add_incomplete_type, retry_incomplete_types): Add prototypes.
10887 * dwarfout.h (dwarfout_define, dwarfout_undef,
10888 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
10890 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
10892 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
10893 (MULTILIB_ISA_DEFAULT): New.
10894 (MULTILIB_DEFAULTS): Use it.
10895 * config/mips/mips.c (): Remove the now unnecessary definition
10896 of MIPS_ISA_DEFAULT.
10897 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
10898 unnecessary definition.
10900 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
10902 * arm.md (pic_load_addr): Add constraints to operand 1.
10904 1999-10-25 Bruce Korb <autogen@linuxbox.com>
10906 * fixinc/genfixes: Provide a means for specifying -D options to
10909 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
10911 * arm.c (arm_override_options): Correct initialization of
10912 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
10913 arm_is_strong, and arm_is_6_or_7.
10915 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
10916 (note_set_pseudo_multiple_uses): New function.
10917 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
10918 if a pseudo set in the loop exit is used elsewhere.
10920 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
10922 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
10924 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
10926 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
10927 a single load-address pattern.
10929 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
10931 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
10932 depending on whether or not line-number notes are present.
10934 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10936 * cccp.c (progname, file_buf, default_include, include_file,
10937 macrodef, definition, hashval, wchar_type, user_label_prefix,
10938 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
10939 expand_to_temp_buffer, is_system_include, base_name,
10940 absolute_filename, read_name_map, open_include_file,
10941 record_control_macro, check_precompiled, check_preconditions,
10942 pcfinclude, pass_thru_directive, create_definition,
10943 check_macro_name, comp_def_part, collect_expansion,
10944 check_assertion, read_token_list, assertion_install,
10945 assertion_lookup, eval_if_expression, conditional_skip,
10946 validate_else, skip_quoted_string, quote_string, macarg1,
10947 error_from_errno, install, lookup, hashf, dump_defn_1,
10948 perror_with_name, pfatal_with_name, main, trigraph_pcp,
10949 check_white_space, rescan, handle_directive, monthnames,
10950 special_symbol, do_include, remap_include_file, write_output,
10951 arglist, do_assert, do_unassert, do_line, do_error, do_once,
10952 do_ident, do_sccs, do_xifdef, skip_if_group,
10953 output_line_directive, macroexpand, macarg, change_newlines,
10954 initialize_builtins, make_definition): Constify a char*.
10956 * pcp.h (stringdef): Likewise.
10958 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
10960 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
10963 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
10964 Richard Henderson <rth@cygnus.com>
10966 * alias.c: Include ggc.h.
10967 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
10968 (record_set): Verify enough room in reg_base_value.
10969 (init_alias_analysis): Allocate reg_base_value with xcalloc.
10970 Register it as a GC root.
10971 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
10972 * Makefile.in (alias.o): Depend on ggc.h.
10974 * unroll.c (unroll_loop): Verify the insn before a barrier
10975 is a JUMP_INSN before checking JUMP_LABEL.
10977 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10979 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
10980 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
10981 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
10982 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
10983 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
10984 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
10986 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10988 * output.h (ctors_section, dtors_section, bss_section): Prototype.
10990 * alpha/alpha-interix.h (text_section): Delete prototype.
10991 * alpha/elf.h (text_section): Likewise.
10992 * arm/linux-elf.h (text_section): Likewise.
10993 * arm/linux-telf.h (text_section): Likewise.
10994 * c4x/c4x.h (text_section): Likewise.
10995 * dsp16xx/dsp16xx.h (bss_section): Likewise.
10996 * elfos.h (text_section): Likewise.
10997 * i386/aix386ng.h (text_section): Likewise.
10998 * i386/i386-interix.h (text_section): Likewise.
10999 * i386/sco5.h (text_section): Likewise.
11000 * i386/svr3gas.h (text_section): Likewise.
11001 * nextstep.h (text_section): Likewise.
11002 * psos.h (text_section): Likewise.
11003 * ptx4.h (text_section): Likewise.
11004 * svr3.h (text_section): Likewise.
11005 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
11007 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11009 * final.c (peephole): Delete prototype.
11011 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
11012 (pre_insert_copies): Remove unused variable `bb'.
11014 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
11017 * output.h (peephole): Add prototype.
11019 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
11021 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
11024 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
11026 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
11027 for inlined declarations.
11029 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
11031 * arm.c (logical_binary_operator): New fucntion.
11032 * arm.h (logical_binary_operator): Declare it.
11033 (PREDICATE_CODES): Handle logical_binary_operator.
11034 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
11035 output constraints. Add appropriate splitters.
11036 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
11037 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
11038 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
11040 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11042 * genoutput.c (struct operand_data): New elt eliminable.
11043 (output_operand_data): Write it.
11044 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
11045 (compare_operands): Take it into account.
11046 * recog.h (struct insn_operand_data): New elt eliminable.
11047 * reload1.c (check_eliminable_occurrences, elimination_effects): New
11049 (old_asm_operands_vec, new_asm_operands_vec): Delete.
11050 (eliminate_regs): Move code that detects changes to elimination
11051 target regs into new function elimination_effects.
11052 Delete one #if 0 block.
11053 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
11054 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
11055 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
11056 Only call eliminate_regs for real operands of the insn, not for parts
11057 of its structure or parts matched by things like match_operator.
11058 Use elimination_effects and check_eliminable_occurrences. Use
11059 copy_insn to duplicate the pattern when not in the final pass.
11061 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
11063 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
11066 1999-10-22 Bruce Korb <autogen@linuxbox.com>
11068 * fixinc/README: document the "mach" machine matching test
11069 * fixinc/fixfixes.c: Implement the #else/#endif label fix
11070 * fixinc/fixtests.c: Implement the #else/#endif label test
11071 * fixinc/inclhack.def: utilize these tests and fixes
11072 * fixinc/inclhack.sh: regen
11073 * fixinc/fixincl.x: regen
11074 * fixinc/fixincl.sh: regen
11076 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
11078 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
11081 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
11083 * gcc.1: Document exit codes.
11085 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11087 * calls.c: Include tm_p.h later, so everything we need is defined.
11088 * expr.c: Likewise.
11089 * function.c: Likewise.
11091 * except.c: Include tm_p.h.
11093 * sparc.c: Likewise.
11094 (dwarf2out_cfi_label): Don't prototype.
11095 (check_return_regs, epilogue_renumber,
11096 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
11097 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
11098 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
11099 ultra_schedule_insn): Add static prototype.
11100 (data_segment_operand, text_segment_operand): Call itself with the
11101 proper number of arguments.
11102 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
11104 * sparc.h: Move all declarations to sparc-protos.h.
11105 (SELECT_RTX_SECTION): Pass a missing MODE argument to
11108 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
11110 * config/svr4.h (text_section, ctors_section, dtors_section): Add
11112 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
11113 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
11114 ASM_OUTPUT_ASCII): Constify a char*.
11116 * sparc-protos.h: New file for sparc prototypes.
11118 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11120 * function.c (record_insns, contains): Always declare and define.
11121 (record_insns): Mark with ATTRIBUTE_UNUSED.
11123 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
11125 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
11126 to .section when outputting a .bss section to deal with multiple
11127 .bss input sections (as happens with -fdata-sections)
11128 Also output %progbits, not @progbits so the assembler doesn't treat as
11130 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
11132 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
11133 thumb parts even when building with non-thumb CPUs, by forcing
11136 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
11138 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
11139 (movdf_const_intreg_sp64): Similarly.
11141 * local-alloc.c (update_equiv_regs): Check the correct insn
11142 for pre-existing REG_EQUIV notes.
11144 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
11146 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
11147 block reached by a branch if we're not going to actually process
11150 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
11152 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
11153 a local extern function declaration.
11155 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
11157 * i386.c (ix86_expand_prologue): Properly wrap USE around
11158 reg for CALL_INSN_FUNCTION_USAGE.
11160 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
11162 * config/mips/mips.md (movdf_internal1a): Allow floating-point
11163 move between GP_REGs.
11165 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
11167 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
11168 the mode size when finding out if an offset is legal.
11170 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
11172 * basic-block.h (PROP_*): Move constants from ...
11173 * flow.c: ... here.
11174 (compute_bb_for_insn): Free the array before reallocating.
11175 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
11176 (allocate_reg_life_data): Reset all reg variables collected by
11178 (get_block_head_tail): Don't convert from bb to block.
11179 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
11180 (find_insn_reg_weight): Take block not bb.
11181 (schedule_block): Don't set block num for moved insns.
11182 (schedule_region): Don't update_life_info or find_insn_reg_weight.
11183 (schedule_insns): Do it here instead.
11184 * combine.c (combine_instructions): Invoke compute_bb_for_insn
11185 before update_life_info.
11186 * recog.c (split_all_insns, peephole2_optimize): Update for
11187 new arg to update_life_info.
11188 * rtlanal.c (remove_note): Cope with NULL note.
11189 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
11192 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
11194 * jump.c (jump_optimize_1): More accurately detect casesi insns.
11196 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
11197 block records so that merge_blocks_nomove will clean up correctly.
11198 (split_edge): Handle casesi insns.
11200 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
11202 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
11204 * pa.md (call, call_value): Do not emit a blockage after restoring
11207 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
11209 * c-typeck.c (c_expand_asm_operands): Fix typo.
11211 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11213 * arm.c (fpu_rhs_operand): Verify modes.
11214 (fpu_add_operand): Likewise.
11215 (di_operand): Likewise.
11216 (soft_df_operand): Likewise.
11218 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
11220 * arm.c (arm_return_in_memory): APCS rules state that the elements
11221 of a structure returned in a register must be 'integer-like'.
11223 1999-10-19 Bruce Korb <autogen@linuxbox.com>
11225 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
11226 in the source tree when the generated targets are out of date
11227 * fixinc/genfixes: Alter it to run individual fixes for make.
11228 * fixinc/README: rewrite
11229 * fixinc/inclhack.def: moved initial comments to README
11231 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
11233 * toplev.c (main): Do not generate an error message if an
11234 unrecognised command line switch is recognisable by another
11235 language. If extra_warnings are enabled, then generate a
11236 warning message instead.
11238 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
11240 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
11241 (insert_pack_attributes): Delete prototype.
11243 * c-pragma.c (default_alignment): New static variable.
11244 (push_alignment): Initialize to current effective alignment.
11245 (pop_alignment): Use to set new alignment.
11246 (insert_pack_attributes): Delete function.
11247 (handle_pragma_token): Set default_alignment as well each time
11248 a #pragma pack(<n>) is encountered.
11250 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
11252 * reg-stack.c (stack_result): Aggregates are not returned in
11255 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
11257 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
11259 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
11261 * basic-block.h (set_block_num): Declare.
11262 * flow.c (update_life_info): Don't call compute_bb_for_insn
11263 or free_basic_block_vars.
11264 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
11265 (insn_orig_block): Remove.
11266 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
11267 (schedule_block): Keep BLOCK_NUM up-to-date.
11268 (schedule_insns): Use compute_bb_for_insn.
11269 * recog.c (split_all_insns): Likewise.
11270 (peephole2_optimize): Likewise.
11272 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
11274 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
11275 if the pic register is used.
11277 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11279 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
11280 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
11281 if that tests TREE_PERMANENT.
11283 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
11285 * cse.c (invalidate_for_call): Do not remove memory references from
11286 the table here. It's handled elsewhere.
11288 * haifa-sched.c (add_dependence): Protect references to the
11289 true dependency cache with #ifdef INSN_SCHEDULING.
11290 (remove_dependence): Similarly.
11292 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
11293 to the cfg code that this is a return instruction.
11294 * mn10300.md (return_internal): Similarly.
11296 * combine.c (get_last_value): If the last set of a register
11297 is after subst_low_cuid, then we can not use it to determine
11298 the register's last value.
11300 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
11302 * Makefile.in: Back out previous change.
11304 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
11306 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
11308 * haifa-sched.c (add_dependence): Only check/update the cache
11310 (remove_dependence): Likewise.
11311 (schedule_insns): Only create the true_dependency_cache if the
11312 average number of instructions in a basic block is very large.
11314 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
11316 * Makefile.in (ggc-common.o): Depend on genrtl.h.
11317 (ggc-simple.o): Likewise.
11318 (ggc-page.o): Likewise.
11320 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
11322 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
11323 Prototype for exported functions.
11324 (pre_lcm, pre_rev_lcm): Remove prototypes.
11325 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
11326 (compute_available): Move to lcm.c, and change parameter order.
11327 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
11328 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
11329 (gcse_main): No longer call compute_preds_succs. Rebuild the
11330 set table after reach pre pass.
11331 (pre_insert_map, pre_delete_map, edge_list): New.
11332 (alloc_pre_mem): Allocate edge vectors.
11333 (free_pre_mem): Delete edge vectors.
11334 (compute_pre_data): Call new edge based lcm routines.
11335 (process_insert_insn): New function.
11336 (insert_insn_end_bb): Use it.
11337 (pre_edge_insert): New function.
11338 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
11340 (pre_insert_copies): Revamp using new edge based lcm outputs.
11341 (pre_delete): Likewise.
11342 (one_pre_gcse_pass): Insert & remove fake edges to the exit
11344 (compute_code_hoist_vbeinout): New new edge based routines.
11345 * lcm.c: Remove all the old LCM functions. Replace with new ones
11346 that work with the new cfg datastructures and work with edges
11349 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11351 * reload.h (struct reload): Add new fields "mode" and "nregs".
11352 * reload1.c: Change all occurrences of reload_mode and reload_nregs
11353 to reference the "mode" and "nregs" field within struct reload.
11355 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
11357 * haifa-sched.c (true_dependency_cache): New.
11358 (add_dependence): Use the true dependency cache to avoid expensive
11359 walks down the LOG_LINKS dependency list. Add entries to the
11360 cache as necessary.
11361 (remove_dependence): Remove entries from the true dependency cache
11363 (schedule_insns): Allocate and initialize and free the true
11366 * haifa-sched.c (schedule_insns): Do not remove inter-block
11367 dependencies anymore.
11369 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
11371 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
11372 * i386/t-winnt: Likewise.
11374 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
11376 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
11378 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
11380 * Makefile.in (LANGUAGES): Omit "proto".
11381 (clean): Remove stale comment about removing unprotoize.c.
11383 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11385 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
11386 using arithmetic on void pointers.
11388 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
11390 * haifa-sched.c (compute_block_forward_dependencies): Only check
11391 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
11393 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
11395 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
11396 (expr_equiv_p): Reject memories with different alias sets.
11398 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
11400 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
11401 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
11402 (f_options): Add "bounded-pointers" and "bounds-check" entries.
11403 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
11404 (lang_init): Set default for flag_bounds_check if still "unspecified".
11406 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11408 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
11410 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11412 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
11415 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11417 * config/c4x/c4x.md (*db_noclobber,
11418 *decrement_and_branch_until_zero_noclobber): New patterns and
11419 associated splitters.
11421 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11423 * config/c4x/c4x.md (parallel instruction patterns): Rework
11424 constraints to keep reload happy.
11426 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11428 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
11429 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
11430 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
11431 Add new patterns and associated post-reload splitters.
11433 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11435 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
11437 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11439 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
11441 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
11443 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11445 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
11448 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
11450 * pa.c (move_operand): Rely on memory_address_p to determine the
11451 validity of non-indexed memory addresses.
11452 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
11453 operand in DFmode and SFmode when generating PA2.0 code.
11455 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
11457 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
11459 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
11461 * mips.c (function_prologue): Fix argument types.
11462 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
11463 (casesi_internal): Write to the scratch register.
11465 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
11467 * cppexp.c (cpp_parse_escape): Make static. Change second arg
11469 (parse_charconst): Delete unnecessary cast when calling
11471 (cpplib.h): Kill prototype of cpp_parse_escape.
11473 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
11475 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
11476 * unroll.c (unroll_loop): Cast return value of alloca.
11477 * i370/i370.c: Include function.h and toplev.h.
11478 (i370_label_scan): Remove c++ commented abort.
11479 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
11480 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
11481 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
11482 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
11484 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
11486 * config/t-freebsd: Do not override USER_H.
11487 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
11489 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
11490 Mumit Khan <khan@xraylith.wisc.edu>
11492 * c-parse.in (component_decl): Support anonymous struct/union.
11494 * c-parse.y: Regenerate.
11495 * c-parse.c: Likewise.
11496 * objc/objc-parse.y: Likewise.
11497 * objc/objc-parse.c: Likewise.
11498 * c-decl.c (finish_struct): Don't sort the fields.
11499 (field_decl_cmp): Delete unused function.
11501 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
11503 * sparc.md (movsf_const_intreg): Revert last constraint change.
11504 (movdf_const_intreg_sp32): Likewise.
11506 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
11508 * cse.c: Include hashtab.h instead of splay-tree.h
11509 (struct cse_reg_info): No longer use variant union. Add new
11510 field "regno". All references changed to avoid union.
11511 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
11512 (free_cse_reg_info): Remove.
11513 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
11514 (get_cse_reg_info): Revamp to use expandable hash tables instead
11515 of splay trees. Initialize new fields in cse_reg_info structure.
11516 (new_basic_block): Similarly.
11518 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
11520 * genrecog.c (message_with_line): Prototype.
11521 (validate_pattern): Pass along the set for the dest, not a flag.
11522 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
11523 Check for PC/CC0 as sources.
11524 (nodes_identical): Check for children position match before
11525 allowing the combination.
11527 * rtl.c (read_rtx): Track line number across \\\n.
11529 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
11531 * mips.h (SPECIAL_MODE_PREDICATES): New.
11532 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
11533 (movdi+1, movsi+1): Add output reload constraint.
11534 (casesi_internal): Likewise. Fix commentary.
11535 (return_internal): Use pmode_register_operand.
11537 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
11539 * 1750a.md (movstrqi): Add missing output reload constraint.
11540 (call_value): Likewise.
11541 * a29k.md (cpxxx patterns): Add missing match_operator mode.
11542 (jmpfdec): Add missing inout reload constraint.
11543 * elxsi.md (addsi patterns): Add missing output reload constraint.
11544 (move from sp): Use @ alternates.
11545 (call_value): No constraint on output.
11546 * fr30.md (movsi_pop): Add missing output reload constraint.
11547 (movsf_constant_store): Likewise.
11548 (splits): Remove constraints.
11549 (subsi3): Add missing mode.
11550 * i370.md (cmpstrsi+1): Add missing output reload constraint.
11551 (call_value): Likewise.
11552 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
11553 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
11554 * m32r.md (movsicc_internal): Add output reload constraint.
11555 (movstrsi_internal): Add inout reload constraints.
11556 * m88k.h (reg_names): Don't declare.
11557 (SPECIAL_MODE_PREDICATES): New.
11558 * m88k.md (*): Use register_operand not reg_or_0_operand
11560 * mn10200.h (PREDICATE_CODES): New.
11561 * ns32k.md (ffs pattern): Add output reload constraint.
11562 * pdp11.md (sob pattern): Add inout reload constraint.
11563 * sh.md (splits): Remove constraints.
11564 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
11565 * v850.md (pattern_is_ok_for_epilogue): Likewise.
11566 * vax.md (jgequ pattern): Add inout reload constraint.
11568 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
11570 * configure.in (djgpp): Revert previous patch.
11571 * configure: Rebuit.
11572 * config/i386/djgpp.h: Revert previous patch.
11574 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
11576 * fixinc/inclhack.def: Restore patch lost during last merge of
11577 "no_bogosity" branch.
11578 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
11580 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
11582 * fixincludes: Add a HPUX 11 fix for inttypes.h.
11583 * fixinc/inclhack.def: Same.
11584 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
11586 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
11588 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
11589 as the base of a PLUS.
11591 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11593 * config/c4x/c4x.md: Define mode for remaining unspec operators.
11594 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
11596 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
11598 * pa.md (post_stw+1): Use pmode_register_operand.
11599 (dcacheflush, icacheflush): Likewise.
11601 * i386.md (movstricthi_1): Allow r/r.
11603 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
11605 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
11606 to (not (and (arg0) (arg1))). Similary for and.
11608 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
11609 fallthrough to associate code.
11610 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
11613 * combine.c (simplify_logical): Convert XOR to IOR if operands have
11614 no bits in common; remove XOR to ROTATE conversion.
11616 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11618 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
11620 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11622 * config/c4x/c4x.c (dst_operand): New.
11623 (PREDICATE_CODES): Update.
11624 * config/c4x/c4x.h (dst_operand): Declare it.
11625 * config/c4x/c4x.md: Define mode for each unspec usage.
11626 (move patterns): Use dst_operand predicate instead of src_operand.
11627 (movqi_update, movqf_update): Delete.
11629 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
11631 * recog.c (pmode_register_operand): New.
11632 * recog.h: Declare it.
11633 * genrecog.c (pred_codes): Likewise.
11634 (special_mode_pred_table): Likewise.
11635 (validate_pattern): Don't warn no mode for address_operand.
11637 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
11638 if the operand is not insn-like.
11640 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
11641 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
11643 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
11645 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
11647 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
11648 instead of general_operand in a SET_DEST. Use const_double_operand
11649 instead of an explicit test against CONST_DOUBLE.
11650 (movsf_const_lo): Add missing register mode.
11651 (goto_handler_and_restore): Add auxiliary test for Pmode.
11652 (flush): Adjust to use address_operand.
11653 (return_sf_no_fpu): Add missing output constraint.
11655 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
11657 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
11658 for call return value.
11659 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
11661 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
11663 * toplev.c (main): Only warn about options for other languages.
11664 * collect2.c (main): Pass -w to sub-gcc.
11666 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
11668 * flow.c (propagate_block): Add call-clobbered registers to
11671 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
11672 zapping mem_set_list.
11673 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
11674 (mark_set_1, mark_used_regs): Likewise.
11676 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
11678 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
11680 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11682 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
11683 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
11684 options. Also add a new item "C-only Warning Options" to the
11687 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
11689 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
11690 from multiple calls.
11692 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
11694 * i386.md (call value patterns): Move to the end of the file.
11695 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
11697 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
11699 * configure.in (djgpp configuration): Define extra_objects..
11700 * configure: Rebuilt.
11701 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
11702 (DTORS_SECTION_ASM_OP): Define.
11703 (INIT_SECTION_ASM_OP): Define.
11704 (FINI_SECTION_ASM_OP): Define.
11705 (DATA_SECTION_ASM_OP): Define.
11706 (TEXT_SECTION_ASM_OP): Define.
11707 (EH_FRAME_SECTION_ASM_OP): Define.
11708 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
11709 (STARTFILE_SPEC): Add crtbegin.o.
11710 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
11711 to here from LINK_COMMAND_SPEC.
11712 (DO_GLOBAL_CTORS_BODY): Define.
11713 (CRTSTUFF_USE_FINI_SECTION): Define
11714 (HAS_INIT_SECTION): Delete.
11716 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
11718 * Makefile.in (all.cross): Depend on xcpp$(exeext).
11720 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
11722 * pa.h (PREDICATE_CODES): New.
11724 * genrecog.c (validate_pattern): Condense the destination
11725 non-lvalue message.
11727 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
11729 * alpha.md (call-1): Supply missing mode for operator.
11730 (*): Add missing output reload constraints. Remove constraints
11731 from define_splits.
11733 * i386.h (SPECIAL_MODE_PREDICATES): New.
11734 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
11735 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
11736 (addsi_lea_3): Add missing mode for op 3.
11737 (prologue_set_got, prologue_get_pc): Add missing modes.
11738 (*) Add missing output reload constraints.
11740 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
11742 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
11743 check for member bit-size overflow and use var_size if it occurs.
11744 (layout_record): Use bitsize_int() to define the type size in bits.
11745 Likewise for computation and assignment to DECL_FIELD_BITPOS.
11746 (layout_decl): Likewise when assigning to DECL_SIZE.
11748 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
11750 * genrecog.c (validate_pattern): Typo last change. Verify
11751 that output operands have output reloads.
11753 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
11755 * genrecog.c (special_mode_pred_table): New.
11756 (NUM_SPECIAL_MODE_PREDS): New.
11757 (find_operand): New.
11758 (validate_pattern): New argument `insn'. Warn for assignment to
11759 any predicate accepting non-lvalues. Conditionaly warn for
11760 match_operand without a mode. Try much harder to match source
11761 and destination modes on a set.
11762 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
11764 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
11766 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
11768 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
11770 * combine.c (simplify_logical): Recognize xor pattern that encodes
11773 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11775 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
11778 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
11780 * ggc-page.c (MAP_FAILED): Provide default.
11782 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
11784 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
11785 * sparc.h (PREDICATE_CODES): Update.
11787 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
11789 * alpha.c (some_ni_operand): New.
11790 * alpha-protos.h: Declare it.
11791 * alpha.h (PREDICATE_CODES): Update.
11792 * alpha.md (sXaddq reload insns): Use some_ni_operand
11793 for SET_DEST instead of some_operand.
11795 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
11796 Jim Wilson <wilson@cygnus.com>
11798 * genrecog.c (maybe_both_true_2): Don't compare modes of
11800 (process_tree): Elide peephole2_insns. Invoke simplify_tests
11801 after find_afterward.
11802 (debug_decision_1): Dump next and afterward codes.
11804 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
11806 * rtl.c (dump_and_abort): Remove.
11807 (fatal_with_file_and_line): New.
11808 (fatal_expected_char): New.
11809 (read_rtx_lineno, read_rtx_filename): New.
11810 (read_skip_spaces): Track line number.
11811 (read_name): Use fatal_with_file_and_line.
11812 (read_rtx): Use fatal_expected_char. Track line number.
11813 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
11815 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
11816 if it isn't a CODE_LABEL.
11818 * genattr.c (main): Set read_rtx_filename.
11819 * genattrtab.c (main): Likewise.
11820 * gencodes.c (main): Likewise.
11821 * genconfig.c (main): Likewise.
11822 * genemit.c (main): Likewise.
11823 * genextract.c (main): Likewise.
11824 * genflags.c (main): Likewise.
11825 * genopinit.c (main): Likewise.
11826 * genoutput.c (main): Likewise.
11827 * genpeep.c (main): Likewise.
11829 * genrecog.c (decision_test.u.insn): Add `lineno'.
11830 (pattern_lineno, error_count): New variables.
11831 (message_with_line): New.
11832 (add_to_sequence): Break out checking code to ...
11833 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
11834 (merge_insn): Use message_with_line.
11835 (make_insn_sequence): Use validate_pattern. Record insn lineno.
11836 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
11838 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11840 * expr.c (store_constructor): Clear union if constructor is empty.
11842 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
11844 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
11845 Add !endian checks. Change %{...} to %(...).
11847 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
11849 * i386.md (*addsi3_cc): Renamed from addcsi3.
11850 (*addsi3_carry): Renamed from addxsi3.
11851 (*subsi3_cc): Renamed from subcsi3.
11852 (*subsi3_carry): Renamed from subxsi3.
11853 (*xorqi_cc_1): Renamed from xorcqi_1.
11854 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
11855 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
11857 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
11859 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
11860 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
11862 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
11864 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
11865 climb up the chain of insns.
11867 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
11869 * genrecog.c (write_subroutine): Careful for null trees.
11870 (process_tree): Don't elide empty functions.
11872 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
11874 * Makefile.in (genrtl.o): Depend on ggc.h.
11875 * configure.in (valloc): Probe for it.
11876 (with-gc): Use ggc-page if valloc present.
11877 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
11878 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
11879 (ggc_alloc_string): Moved from ggc-page.c.
11880 * ggc-none.c (ggc_alloc_obj): New.
11881 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
11882 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
11883 (struct globals): Likewise for dev_zero_fd.
11884 (init_ggc): Likewise for it's initialization.
11885 (ggc_allocated_p): Move careful dereference from ...
11886 (ggc_lookup_page_table): ... here. Delete.
11887 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
11888 (alloc_anon): Use valloc if no mmap.
11889 (release_pages): Use free if using valloc.
11890 (ggc_alloc_obj): Renamed from alloc_obj.
11891 (ggc_set_mark): Renamed from mark_obj.
11892 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
11893 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
11894 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
11895 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
11896 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
11897 (ggc_collect): Use fp printing instead of our own rounding.
11898 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
11899 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
11900 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
11901 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
11902 (struct ggc_string, struct ggc_any): Delete.
11903 (offsetof): Provide default definition.
11904 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
11906 (struct ggc_mem): New, from corpse of ggc_any.
11907 (struct ggc_status): Delete.
11908 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
11909 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
11910 (n_strings_collected, n_anys_collected): Delete.
11911 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
11912 (ggc_alloc_string, ggc_alloc): Delete.
11913 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
11914 (ggc_free_string, ggc_free_any): Delete.
11915 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
11916 (ggc_compare_addresses, ggc_mark_string): Delete.
11917 (ggc_mark_string_if_gcable, ggc_mark): Delete.
11918 (search_data): Delete.
11919 (struct globals): New.
11920 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
11921 (tree_insert, tree_lookup): New.
11922 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
11923 (clear_marks, sweep_objs): New.
11924 (ggc_collect): Gut. Use clear_marks, sweep_objs.
11925 (init_ggc): Set allocated_last_gc.
11926 (ggc_push_context): Gut. Use G.context.
11927 (ggc_pop_context): Likewise.
11928 (ggc_pop_context_1): New.
11929 (debug_ggc_tree): New.
11930 (debug_ggc_balance, tally_leaves): New.
11931 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
11932 (ggc_mark_string_if_gcable): Remove decl.
11933 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
11934 (ggc_mark_rtvec_children): New.
11935 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
11936 (ggc_mark_if_gcable): New decl.
11937 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
11938 (ggc_alloc_tree, ggc_alloc): Likewise.
11939 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
11940 (ggc_alloc_obj): New decl.
11941 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
11942 (ggc_alloc_tree, ggc_alloc): Likewise.
11943 (ggc_set_mark): New decl.
11944 * rtl.h (struct rtx_def): Remove gc_mark.
11945 (struct rtvec_def): Likewise.
11946 * tree.h (struct tree_common): Likewise.
11948 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
11950 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
11951 float_format and thread_file definitions.
11952 * configure: Rebuilt.
11954 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
11956 * extend.texi (Function Names): Document types of function names.
11958 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11960 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
11961 an earlyclobbered output conflict with RELOAD_INPUT reloads.
11963 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11965 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
11967 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11969 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
11971 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
11973 * collect2.c (main): Do prelimnary link on AIX if rflag.
11975 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
11977 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
11978 __CTOR_LIST__ in opposite order, which is the correct order for sorted
11980 (__do_global_dtors): similarly for __DTOR_LIST__.
11982 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11983 Diego Novillo <dnovillo@cygnus.com>
11985 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
11988 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
11990 * fixincl/*: Merged "no_bogosity" branch
11991 * fixincl/fixlib.h: protect against doubly defining t_bool
11992 * fixincl/server.h: protect against doubly defining t_bool
11994 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
11996 * genoutput.c: Include toplev.h.
11998 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
12000 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
12002 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
12003 * configure: Regenerate.
12005 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
12007 * gcse.c (delete_null_pointer_checks): Returns void.
12009 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12011 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
12012 * emit-rtl.c (copy_insn_1): Likewise.
12014 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12016 * config/mips/mips.c (mips_build_va_list): Correct
12017 TREE_CHAIN setting when hard-float.
12018 (mips_va_start): Use corrected setting.
12019 (mips_va_arg): Likewise. Also pass a tree to build of
12020 POSTINCREMENT_EXPR rather than a naked 'int'.
12022 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
12024 * ggc.h (ggc_push_context): Fix comment.
12025 (ggc_pop_context): Likewise.
12026 (mark_string_if_gcable): Likewise.
12027 * ggc-common.c (ggc_mark_rtx_children): Use
12028 ggc_mark_string_if_gcable.
12029 * ggc-page.c (ggc_lookup_page_table): New function.
12030 (ggc_allocated_p): Likewise.
12031 (mark_obj): Fix formatting.
12032 (ggc_mark_string_if_gcable): New function.
12033 * ggc-simple.c (ggc_allocated_strings): New variable.
12034 (ggc_strings_used): Likewise.
12035 (ggc_compare_addresses): New function.
12036 (ggc_pop_context): Pop the `any' memory too.
12037 (ggc_mark_string_if_gcable): New function.
12038 (ggc_collect): Initialize and tear down ggc_allocated_strings.
12040 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
12042 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
12043 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
12044 * rs6000.c (expand_block_move): Match movstrsi_?reg register
12047 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
12049 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
12050 (sched_reg_live_length, sched_reg_basic_block): Delete.
12051 (current_block_num, bb_live_regs, old_live_regs): Delete.
12052 (dead_notes, struct sometimes): Delete.
12053 (sched_note_set, birthing_insn_p): Delete.
12054 (adjust_priority): Gut useless reg lifetime code.
12055 (create_reg_dead_note, attach_deaths): Delete.
12056 (attach_deaths_insn, new_sometimes_live): Delete.
12057 (finish_sometimes_live): Delete.
12058 (find_pre_sched_live, find_post_sched_live): Delete.
12059 (update_reg_usage): Delete.
12060 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
12061 (schedule_insns): Delete reg lifetime code.
12062 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
12063 (unlink_other_notes): Adjust REG_NOTE commentary.
12064 (reemit_notes): Use REG_SAVE_NOTE.
12065 (schedule_block): Likewise.
12066 (schedule_region): Allocate bitmap of blocks in region. Use
12067 count_or_remove_death_notes. Use update_life_info.
12069 * rtl.h (REG_SAVE_NOTE): New.
12070 * rtl.c (reg_note_name): Update.
12072 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
12074 * combine.c (refresh_blocks, need_refresh): New.
12075 (combine_instructions): Allocate refresh_blocks. Invoke
12076 update_life_info if needed.
12077 (distribute_notes): Mark refresh_blocks instead of installing
12079 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
12080 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
12082 * Makefile.in (recog.o): Depend on basic-block.h.
12084 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
12086 * genrecog.c (add_to_sequence): Thinko last change: delete
12087 shadowing allow_const_int variable.
12089 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12091 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
12092 __GNUC__ and __GNUC_MINOR__.
12094 * gansidecl.h: Likewise.
12100 * toplev.h: Likewise.
12102 * tree.c: Likewise.
12104 * tree.h: Likewise.
12106 * varray.c: Likewise.
12108 * varray.h: Likewise.
12110 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12112 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
12113 use one before a jump table.
12115 * rtl.def (ADDRESS): Change documentation to match reality.
12116 * md.texi: Don't document it.
12117 * gmicro.md (load address pattern): Use 'p' constraint, delete use
12120 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
12122 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
12124 * genrecog.c (add_to_sequence): Move allow_const_int test outside
12125 known predicate block; default allow_const_int true.
12126 (debug_decision_list): New.
12128 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
12130 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
12132 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
12134 * gcse.c (gcse_main): Avoid global optimizations if we have a
12135 large number of basic blocks and the ratio of edges to blocks
12137 (delete_null_pointer_checks): Likewise.
12139 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
12141 * c-common.c (check_format_info): Warn if format string isn't a
12144 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
12146 * configure.in (arm*-*-*): Don't let autoconf remove brackets
12147 * configure: regenerate
12149 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
12151 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
12152 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
12153 (peepholes): Re-enable.
12155 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
12157 * Makefile.in (flow.o): Depend on TREE_H.
12158 * basic-block.h (REG_SET_EQUAL_P): New.
12159 (XOR_REG_SET): New.
12160 (n_edges): Declare.
12161 (free_regset_vector): Remove declaration.
12162 (flow_delete_insn_chain): Declare.
12163 (enum update_life_extent): New.
12164 (update_life_info, count_or_remove_death_notes): Declare.
12165 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
12166 Verify register live at bb->global_live_at_start before adding USE.
12167 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
12168 (CLEAN_ALLOCA): New.
12170 (PROP_*): New flags.
12171 (find_basic_blocks_1): Use alloc_EXPR_LIST.
12172 (clear_edges): Zero n_edges.
12173 (make_edge): Increment n_edges.
12174 (split_edge): Don't allocate bb->local_set. Increment n_edges.
12175 (flow_delete_insn_chain): Export.
12176 (delete_block): Decrement n_edges.
12177 (merge_blocks_nomove): Likewise.
12178 (life_analysis): Give life_analysis_1 PROP flags.
12179 (verify_wide_reg_1, verify_wide_reg): New.
12180 (verify_local_live_at_start): New.
12181 (update_life_info): Rewrite to call into propogate_block.
12183 (mark_regs_live_at_end): After reload, if epilogue as rtl,
12184 always mark stack pointer. Conditionally mark PIC register.
12185 After reload, mark call-saved registers, return regsiters.
12186 (life_analysis_1): Accept PROP flags not remove_dead_code.
12187 Call mark_regs_live_at_end before zeroing regs_ever_live.
12188 Use calculate_global_regs_live. Copy global_live_at_end before
12189 calling final propagate_block. Zero reg_next_use on exit.
12190 (calculate_global_regs_live): New.
12191 (allocate_bb_life_data): Don't allocate bb->local_set.
12192 (init_regset_vector, free_regset_vector): Remove.
12193 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
12194 Test flags before every operation. Warn if prologue/epilogue insn
12195 would have been deleted.
12196 (mark_set_regs, mark_set_1): Accept and use FLAGS.
12197 Use alloc_EXPR_LIST.
12198 (mark_used_regs): Accept and use FLAGS, not FINAL.
12199 Remove special handling for RETURN.
12200 (try_pre_increment): Use alloc_EXPR_LIST.
12201 (dump_flow_info): Dump n_edges.
12202 (unlink_insn_chain, split_hard_reg_notes): Remove.
12203 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
12204 (find_insn_with_note, new_insn_dead_notes): Remove.
12205 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
12206 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
12207 (replace_insns): Remove.
12208 (count_or_remove_death_notes): New.
12209 (verify_flow_info): Abort on error after all checks.
12210 (remove_edge): Decrement n_edges.
12211 (remove_fake_edges): Tweek format.
12212 * haifa-sched.c (schedule_insns): Use split_all_insns.
12213 * output.h (update_life_info): Remove declaration.
12214 * recog.c (split_all_insns): From the corpse of split_block_insns,
12215 do the whole function block by block. Use update_life_info.
12216 (recog_last_allowed_insn): New.
12217 (recog_next_insn): Mind it.
12218 (peephole2_optimize): Set it. Walk backwards through blocks.
12219 Use update_life_info.
12220 * rtl.h (update_flow_info, replace_insns): Remove declarations.
12221 (split_all_insns): Declare.
12222 * toplev.c (rest_of_compilation): Thread prologue before flow2.
12223 Use split_all_insns.
12225 * i386.md (or -1 peep2s): Disable.
12227 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
12229 * config/mips/mips.md (movstrsi+[123]) : Combine these into
12230 a single pattern. Scrap the 'd' versions as unnecessary.
12232 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
12233 tablejump_mips162,tablejump_internal4): The operands to a
12234 label_ref must be VOIDmode.
12236 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12238 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
12240 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
12242 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
12244 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
12246 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
12247 cache every function if ggc_p.
12249 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12251 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
12252 instead of copy_rtx. Accept sequences that contain asm statements.
12253 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
12254 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
12255 orig_asm_operands_vector, copy_asm_operands_vector,
12256 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
12258 * rtl.h (copy_insn, copy_insn_1): Declare.
12260 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12262 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
12264 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
12265 arguments to `current_file_function_operand'.
12267 * genrecog.c: Include hard-reg-set.h and resource.h in the
12268 generated output file.
12270 * real.c: Include tm_p.h.
12272 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12274 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
12277 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
12279 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
12280 before the fctiwz insn.
12282 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12283 Mark Mitchell <mark@codesourcery.com>
12285 * tree.c (make_lang_type_fn): New funtion pointer.
12286 (make_lang_type): Call it.
12287 * tree.h (make_lang_type): Declare.
12288 (make_lang_type_fn): Likewise.
12289 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
12291 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
12293 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
12294 make sure that HIGH instructions are copied into BASE_REGS.
12296 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
12298 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
12300 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
12302 * c-decl.c (finish_struct): Use simpler method of
12303 removing elements of a singly-linked list.
12305 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
12307 * alpha.md (peephole2's): Comment out peephole2's that generate
12310 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
12312 * genrecog.c (add_to_sequence): Disable mode check for
12315 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12317 * ggc-simple.c (init_ggc): Set empty_string.
12319 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
12321 * configure.in: Detect mmap. Add --with-gc=foo to select
12322 garbage collector; default to page if mmap available.
12323 * Makefile.in (GGC): Substitute.
12325 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
12327 * c-decl.c (ggc_p): Enable.
12329 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12331 * flow.c (verify_flow_info): Make it extern & unconditionally define.
12333 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
12335 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
12336 string for little-endian-data.
12338 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
12340 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
12341 case somebody tries to compile --enable-checking code with gcc
12344 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
12346 * genrecog.c (add_to_sequence): Verify operand to label_ref is
12349 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
12351 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
12352 * jump.c (jump_optimize_1): Document why.
12354 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12356 * collect2.c (scan_prog_file, scan_libraries): Prototype function
12357 pointers and casts for `int_handler' and `quit_handler'.
12359 * flow.c (verify_flow_info, split_hard_reg_notes,
12360 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
12361 remove_edge, remove_fake_successors): Add static prototypes.
12362 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
12363 (mark_set_1): Initialize variable `regno'.
12364 (unlink_insn_chain): Likewise for variable `curr'.
12365 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
12367 * loop.c (strength_reduce): Initialize variable
12368 `unrolled_insn_copies'.
12369 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
12370 prototypes. Change these functions to take const PTR parameters
12371 to avoid prototype conflict when used as the comparson argument
12373 (check_dbra_loop): Initialize variable `comparison_val'.
12375 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
12376 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
12377 (find_valid_class): Initialize variable `best_class'.
12378 (find_reloads): Call memcpy, not bcopy.
12380 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
12381 (hard_reg_use_compare): Don't needlessly cast away const.
12382 (reload_reg_class_lower): Likewise.
12383 (choose_reload_regs): Initialize variable `regno'.
12385 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
12387 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
12389 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
12391 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
12392 ({,d}discard): Add forward declarations. Declare parameter as
12394 (main_without_main): Explicitly declare return type to be int.
12395 (memcpy): Properly declare.
12397 * libgcc2.c (toplevel): If inhibit_libc is defined and not
12398 building the trampoline support, declare malloc, free, and
12400 (__clear_cache): Mark arguments as potentially unused.
12402 * frame.c (toplevel): If inhibit_libc is defined, declare
12405 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
12407 * flow.c (make_edge): Accept an optional 2D bitmap in which
12408 to cache edge existence. Update all callers.
12409 (make_label_edge, make_eh_edge): Pass through the edge cache.
12410 (make_edges): Provide the cache.
12412 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12414 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
12416 (local_mbtowc): Change the type of variable `i' from int to size_t.
12418 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
12419 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
12421 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
12423 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
12424 after other includes that define the appropriate types. Include
12425 tm_p.h for getting user prototypes.
12426 * ggc-callbacks.c (toplevel): Ditto.
12427 * ggc-none.c (toplevel): Ditto.
12428 * gcc-page.c (toplevel): Ditto.
12429 * ggc-simple.c (toplevel): Ditto.
12431 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
12432 Jonathan Larmour <jlarmour@cygnus.co.uk>
12434 * config/mips/mips.c (mips_move_2words): Split doubles if
12435 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
12437 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
12439 * genrecog.c (struct decision_test): New.
12440 (struct decision): Remove test-related members, sort the rest by size.
12441 (IS_SPLIT): Simplify.
12442 (new_decision, new_decision_test): New.
12443 (add_to_sequence): Use them. No special handling for args of
12445 (maybe_both_true): Renamed from not_both_true; return sense changed.
12446 (maybe_both_true_1, maybe_both_true_2): New. Broken out
12447 of maybe_both_true and adjusted for decision_test.
12448 (position_merit): Remove.
12449 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
12450 (merge_accept_insn): New, broken out of merge_trees.
12451 (merge_trees): Use them. No special case for c_test; no node
12452 splitting; use test type instead of position_merit.
12453 (factor_tests): New.
12454 (simplify_tests): New.
12455 (break_out_subroutines): Don't write code now.
12456 (find_afterward): New.
12457 (write_afterward, write_switch, write_cond): New.
12458 (write_action, is_unconditional): New.
12459 (write_node): New. Use them.
12460 (write_tree_1): Rewrite. Use the new functions above.
12461 (write_tree): Remove afterward processing.
12462 (write_subroutine): Simplify function variant emission.
12463 (write_subroutines): New.
12464 (same_codes, clear_codes): Remove.
12465 (same_modes, clear_modes): Remove.
12466 (write_header): New, broken out of main.
12467 (make_insn_sequence): Use new_decision and new_decision_test.
12468 (process_tree): New, broken out of main.
12469 (main): Adjust for merge_trees interface change.
12470 Don't #define operands in the output file.
12471 (record_insn_name): New, broken out of make_insn_sequence.
12472 (debug_decision_2, debug_decision_1, debug_decision_0): New.
12473 (debug_decision): New.
12475 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
12477 * resource.c (find_free_register): Mark class_str argument const.
12478 * resource.h: Update prototype to match.
12480 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
12481 * i386.md: Give all anonymous insns names.
12483 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
12485 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
12488 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
12490 * toplev.c (dbr_sched_time): Unconditional.
12491 (peephole2_time): New.
12492 (compile_file): Add pass numbers to all of the dump file suffixes.
12493 Dump peephole2_time. Don't dump times for non-applicable passes.
12494 (rest_of_compilation): Add pass numbers to dump file suffixes.
12495 Conditionalize calls to the scheduler.
12496 * invoke.texi: Update.
12498 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
12500 * flow.c (make_edges): Fix insn iteration.
12501 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
12502 (find_basic_blocks_1): Fix spelling mistake.
12504 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
12506 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
12507 always have side-effects. Use memset not bzero.
12508 (make_node): Likewise.
12510 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
12512 * stmt.c (expand_anon_union_decl): When any of the elements of the
12513 union is addressable, so is the entire union.
12515 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
12517 * sbitmap.c (sbitmap_ones): Don't set too many bits.
12519 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
12520 * bitmap.c (bitmap_operation): Return true iff TO changed.
12521 (bitmap_equal_p): New.
12522 (bitmap_bit_p): Tidy arithmetic.
12523 (debug_bitmap_file): Likewise.
12525 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
12527 * toplev.c (rest_of_compilation): Turn on cse_not_expected
12528 before cse2 instead of after.
12530 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
12532 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
12535 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12537 * cppinit.c (is_idchar initializer): Loosen tests to accept
12540 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
12542 * mips.md: Define conditional move patterns for floating point
12543 operands and DI mode conditions.
12545 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
12547 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
12548 always have side-effects.
12550 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
12552 * mn10200.c (asm_file_start): Fix typo.
12554 * cppinit.c (is_idchar initializer): Tighten tests for when
12555 to put the table into initialized memory.
12557 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
12558 not an array of rtunion.
12559 * gcc-page.c (ggc_alloc_rtvec): Similarly.
12560 * gcc-simple (ggc_free_rtvec): Similarly.
12562 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
12565 * mbchar.h: Add missing #endif.
12567 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
12568 (FPBIT, DPBIT): Define.
12570 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12572 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
12574 * profile.c (instrument_arcs, output_gcov_string,
12575 tablejump_entry_p): Add static prototypes.
12576 (output_gcov_string): Constify a char*.
12578 * regmove.c (replacement_quality, fixup_match_2): Add static
12581 * resource.h (reg_dead_p): Add extern prototype.
12583 * rtl.c (trim_filename): Add static prototype.
12585 * scan-decls.c (skip_to_closing_brace): Likewise.
12587 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
12588 (expand_end_case): Initialize variable `range'.
12589 (emit_case_nodes): Remove unused prototype `rtx_fn'.
12591 * varasm.c (asm_emit_uninitialised): Add static prototype.
12592 (asm_emit_uninitialised, assemble_variable): Mark parameter with
12595 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12597 * cpplib.c (if_directive_nameo): Add static prototype.
12599 * cse.c (cse_insn): Remove unused variable `p'.
12601 * except.c (create_rethrow_ref, push_entry,
12602 receive_exception_label, new_eh_region_entry, find_func_region,
12603 clear_function_eh_region, process_nestinfo): Add static prototypes.
12604 (get_reg_for_handler): Hide definition.
12605 (process_nestinfo): Initialize variable `extra_handlers'.
12607 * expr.h (expand_builtin_longjmp): Add extern prototype.
12609 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
12611 * function.c (prepare_function_start): Likewise.
12612 (pop_function_context_from): Mark parameter `context' with
12614 (push_temp_slots_for_block, flush_addressof): Hide definition.
12616 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
12617 solve_program_flow_graph, calculate_branch_probs,
12618 function_summary, main, fancy_abort): Add prototypes.
12620 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
12621 (add_hash): Constify a char*.
12623 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
12624 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
12625 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
12627 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
12629 * lists.c (free_list, zap_lists): Likewise.
12631 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12633 * alias.c (nonlocal_reference_p): Add static prototype.
12635 * bitmap.c (bitmap_element_allocate): Prototype args in function
12638 * builtins.c (stabilize_va_list): Add static prototype.
12639 (expand_builtin_va_arg): Constify a char*.
12641 * c-lex.c (getch, put_back, extend_token_buffer_to,
12642 read_line_number, token_getch, token_put_back): Add static
12645 * c-parse.gperf (hash, is_reserved_word): Likewise.
12647 * cccp.c (is_dir_separator): Likewise.
12649 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12651 * graph.h: New file to prototype functions exported by graph.c.
12653 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
12655 * graph.c: Include graph.h.
12657 * toplev.c: Likewise. Remove redundant prototypes.
12659 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
12661 * invoke.texi: Removed duplicated description for -Q.
12663 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
12665 * extend.texi: Grammar fix in __extension__ text.
12667 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
12669 * md.texi (define_peephole2): New section.
12671 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
12673 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
12674 (mov $-1 to or peepholer): Enable for pentium when optimizing for
12677 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
12679 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
12681 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
12683 * i386.md (ffs expander): Emit Pentium friendly code for
12686 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
12688 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
12690 (build1): Likewise.
12692 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12694 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
12696 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
12698 * config/m68k/m68k.c (use_return_insn): Return false if the pic
12699 register is in use.
12701 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12703 * md.texi (No Constraints): Delete section.
12704 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
12705 * final.c (final_scan_insn): We always have register constraints.
12706 * genattrtab.c: Don't include "insn-config.h".
12707 (write_attr_case): We always have register constraints.
12708 * genconfig.c (register_constraint_flag): Delete.
12709 (walk_insn_part): Don't check whether we have register constraints.
12710 (main): Don't write out "#define REGISTER_CONSTRAINTS".
12711 * genoutput.c (have_constraints): Delete.
12712 (main): Don't set it.
12713 (output_operand_data): We always have constraints.
12714 (scan_operands): Likewise.
12715 (compare_operands): Likewise.
12716 * local-alloc.c (block_alloc): We always have constraints.
12717 (requires_inout): Always compile this function.
12718 * recog.c (extract_insn): We always have constraints.
12719 (constrain_operands, reg_fits_class_p): Always compile these
12721 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
12723 (struct insn_operand_data): Likewise.
12724 * regclass.c (regclass): We always have constraints.
12725 (record_reg_classes, copy_cost, record_address_regs,
12726 auto_inc_dec_reg_p): Always compile these functions.
12727 * regmove.c (regmove_optimize): We always have constraints.
12728 * reload.c (find_reloads): Likewise.
12729 * reload1.c (reload): Likewise.
12730 (reload_cse_simplify_operands): Likewise.
12731 * i860.c (output_delay_insn): Likewise.
12733 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
12735 * iris6.h (BUILD_VA_LIST_TYPE): Define.
12737 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12739 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
12740 for the va_list record.
12742 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
12744 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
12747 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
12749 * alias.c: Include insn-flags.h.
12750 * Makefile.in (alias.o): Update.
12752 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
12754 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
12755 to LTU and GEU. Handle more cases using sbb.
12757 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
12759 * i386.md (truncatexfdf splitters): Do not use subreg.
12760 (fop XFmode patterns): Fix mode in operand testing.
12762 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
12764 * jump.c (jump_optimize_1): Amend last change to test only the
12765 form of the operand, not the insn.
12767 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
12768 not register_operand to determine when B may need preloading.
12770 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
12772 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
12773 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
12774 (call-value patterns): Move to end of file.
12775 (*): Remove mode from label_ref in (pc) context.
12776 (movstrqi): Use memory not general_operand for BLKmode operands.
12777 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
12778 to register_operand operands.
12779 (peep2 patterns): Convert from commented-out peephole patterns.
12781 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12783 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
12784 to BUILT_IN_INIT_DWARF_REG_SIZES.
12785 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
12786 Renamed from BUILT_IN_DWARF_REG_SIZE; call
12787 expand_builtin_init_dwarf_reg_sizes.
12788 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
12789 with __builtin_init_dwarf_reg_size_table.
12790 * dwarf2out.c (struct reg_size_range): Delete.
12791 (expand_builtin_init_dwarf_reg_sizes): New function.
12792 (expand_builtin_dwarf_reg_size): Delete.
12793 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
12794 (expand_builtin_dwarf_reg_size): Don't declare.
12795 * libgcc2.c (dwarf_reg_size_table_initialized): New.
12796 (dwarf_reg_size_table): New.
12797 (init_reg_size_table): New function.
12798 (copy_reg): Use dwarf_reg_size_table.
12799 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
12802 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
12804 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
12805 Correctly build argument list to constructor and destructor functions.
12807 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
12809 * c-tree.h (warn_float_equal): Declare.
12810 * c-decl.c (warn_float_equal): Define.
12811 (c_decode_option): Recognize -W[no-]float-equal.
12812 * c-typeck.c (build_binary_op): Conditionally warn
12813 about equality tests of floating point types.
12814 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
12815 * invoke.texi: Add docs for -Wfloat-equal warning.
12817 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
12819 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
12820 generating RTL directly.
12821 * mips.h (INIT_TARGET_OPTABS): Likewise.
12822 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
12824 * expr.h (init_mov_optab): Delete declaration
12826 * h8300.c (WORD_REG_USED): Update to avoid useless register
12827 saves in interrupt functions and functions which never return.
12829 * cse.c (struct set): Delete inner_dest_loc field.
12830 (cse_insn): Remove assignments to inner_dest_loc field.
12832 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
12834 * ggc-page.c: Don't include <unistd.h> etc taken care of
12835 by "system.h". Include <sys/mman.h> afterward.
12837 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
12839 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
12842 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
12844 * xcoffout.c (xcoffout_declare_function): Add documentation.
12845 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
12846 TARGET_64BIT. Compare constant to -1, not bit pattern.
12847 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
12848 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
12851 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
12853 * dwarf2out.c (add_abstract_origin_attribute): Abort if
12854 origin_die is NULL.
12855 (gen_inlined_enumeration_type_die): Do not abort if the type has
12856 not been writeen out.
12857 (gen_inlined_structure_type_die): Do not abort if the type has
12858 not been writeen out.
12859 (gen_inlined_union_type_die): Do not abort if the type has
12860 not been writeen out.
12861 (gen_tagged_type_instantiation_die): Do not abort if the type
12862 has not been written out.
12864 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12866 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
12868 * reg-stack.c (straighten_stack): Copy hard reg set with
12871 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
12873 * builtins.c (stabilize_va_list): Stabilize array type va_list
12874 to a pointer type, not the base record type.
12875 (expand_builtin_va_copy): Dereference the pointers explicitly;
12876 use the correct size for the copy.
12878 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
12879 (rs6000_va_arg): Likewise.
12881 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
12883 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
12885 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
12887 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
12889 (DECL_BUILT_IN_CLASS): Adjust accordingly.
12891 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
12893 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
12894 (init_ggc): Use it instead of a constant.
12895 (ggc_collect): Bound allocated_last_gc by it.
12897 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
12899 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
12902 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
12904 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
12905 (mips*-*-openbsd*): Let big endian configuration be a fragment.
12906 * configure: Regen.
12907 * config/mips/openbsd.h: New, OpenBSD little endian target.
12908 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
12909 * config/mips/xm-openbsd.h: New, OpenBSD host.
12911 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
12913 * config/m68k/m68k.c (output_function_prologue,
12914 output_function_epilogue): Use
12915 current_function_uses_pic_offset_table instead of regs_ever_live
12916 to decide whether to save/restore pic register.
12917 (legitimize_pic_address): Don't modify regs_ever_live any more.
12919 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
12921 * function.h (struct function): Add x_dont_save_pending_sizes_p.
12922 * stor-layout.c (variable_size): Don't add sizes to the pending
12923 sizes list if x_dont_save_pending_sizes_p is set.
12925 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
12927 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
12928 for symbolic_operand().
12929 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
12931 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12933 * combine.c (gen_rtx_combine): Add missing call to va_end().
12935 * final.c (asm_fprintf): Likewise.
12937 * genattrtab.c (attr_rtx): Likewise.
12939 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
12941 * cse.c: Update comments.
12942 (cse_insn): When converting a conditional/computed jump into
12943 an unconditional jump, always make sure a BARRIER immediately
12944 follows the converted jump. Do not delete unreachable code.
12945 (cse_basic_block): Do not delete unreachable code.
12946 * toplev.c (rest_of_compilation): Move call to
12947 delete_trivially_dead_insns after the conditional call to
12950 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12952 * collect2.c (make_temp_file): Don't prototype.
12954 * gcc.c (make_temp_file): Likewise.
12956 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
12958 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
12960 * varasm.c (asm_emit_uninitialised): New function: Generate
12961 the assembler statements necessary to declare an uninitialised
12963 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
12965 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
12966 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
12968 (assemble_variable): Use asm_emit_uninitialised to emit an
12969 uninitialised variable.
12971 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
12973 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
12974 constant on a 64 bit host. Patch supplied by Geoffrey Keating
12975 <geoffk@cygnus.com>.
12977 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12979 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
12980 * c-common.h (builtin_function): Don't declare.
12982 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
12984 (pushdecl): Likewise.
12985 (finish_decl): Likewise.
12986 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
12987 int. All callers changed.
12988 Set the builtin's DECL_BUILT_IN_CLASS.
12989 * tree.h (enum built_in_class): New.
12990 (enum built_in_function): Delete NOT_BUILT_IN.
12991 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
12993 (DECL_SET_FUNCTION_CODE): Likewise.
12994 (DECL_BUILT_IN_CLASS): New macro.
12995 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
12996 (struct tree_decl): Split builtin function code field into a
12998 (builtin_function): Declare.
13000 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
13002 * optabs.c (init_traps): Fix typo in last change.
13004 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
13006 * toplev.c (rest_of_decl_compilation): Update comment.
13008 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
13010 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
13011 in .sbss if appropriate.
13012 (EXTRA_SECTION_FUNCTIONS): Add sbss.
13013 (SBSS_SECTION_ASM_OP): New macro.
13014 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
13015 (EXTRA_SECTIONS): Add in_sbss.
13016 * config/mips/mips.h: Prototype sbss_section.
13018 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
13020 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
13023 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
13025 * optabs.c (init_traps): Register trap_rtx as a GC root.
13027 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13029 * config/mips/mips.c (function_arg_pass_by_reference): Define
13030 unconditionally, since it's called unconditionally.
13032 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
13034 * toplev.c (documented_lang_options): Add -fshort-wchar.
13035 * c-decl.c (c_decode_option): Likewise.
13036 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
13038 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
13039 * gcc.c (default_compilers): If -fshort-wchar,
13040 override __WCHAR_TYPE__.
13041 * tm.texi (C Dialect Options): Add -fshort-wchar.
13043 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
13044 symbol for a variable.
13046 * cpplib.h (CPP_PREPROCESSED): New macro.
13047 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
13048 we're seeing this input for a second time.
13050 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
13052 * emit-rtl.c (init_emit_once): Initialize modes first.
13054 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
13056 * config/i386/i386.c (pic_label_name): Change to char pointer.
13057 (global_offset_table): New variable.
13058 (load_pic_register): Fill global_offset_table if it hasn't
13059 already been done. Allocate pic_label_name dynamically.
13060 * ggc.h (empty_string): New variable.
13061 * ggc-simple.c (empty_string): Likewise.
13062 (init_ggc): Allocate empty_string and add as root.
13063 * stmt.c (digit_strings): New variable.
13064 (init_stmt): Add last_block_end_note as root. Allocate and
13065 initialize digit_strings.
13066 (expand_asm_operands): Use empty_string instead of string
13067 constant. Use digit_strings instead of string constants.
13068 * profile.c (init_arc_profiler): Allocate string with
13069 ggc_alloc_string instead of xmalloc.
13070 (output_func_start_profiler): Likewise.
13071 * c-typeck.c (digest_init): Check if init is error_mark_node.
13073 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
13074 Richard Henderson <rth@cygnus.com>
13076 * ggc-page.c: New file.
13077 * Makefile.in (ggc-page.o): New.
13079 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
13081 * invoke.texi: Document -fdelete-null-pointer-checks
13082 * toplev.c (flag_delete_null_pointer_checks): New.
13083 (f_options): Add entry for -fdelete-null-pointer-checks.
13084 (rest_of_compilation): Conditionalize null pointer check
13085 elimination on flag_delete_null_pointer_checks.
13086 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
13088 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
13090 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
13091 copyright notice and special exception to GPL.
13093 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13095 * abi64.h (mips_function_value): Add prototype arguments.
13097 * mips-protos.h: New file with mips prototypes.
13099 * mips.c: Include "tm_p.h".
13100 (mktemp, lookup_name): Add prototype arguments.
13101 (extern_list, string_constant, mips_fill_delay_slot,
13102 mips_output_external, mips_output_external_libcall,
13103 mips_output_filename, mips_declare_object, function_prologue,
13104 mips_expand_prologue, function_epilogue, mips16_constant,
13105 build_mips16_function_stub, mips_output_conditional_branch):
13107 (mips_va_start): Remove unused variable `u'.
13108 (mips_va_arg): Cast value to unsigned when comparing against one.
13110 (save_restore_insns, mips_expand_prologue): Add missing arg in
13111 call to `large_int'.
13113 * mips.h: Move prototypes to mips-protos.h.
13114 (data_section, memory_address_p, rdata_section,
13115 readonly_data_section, simple_epilogue_p, text_section): Delete
13116 prototypes delcared elsewhere.
13117 (mips_epilogue_delay_slots, print_options): Delete unused decls.
13119 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
13121 * mips.md: Delete extra args in call to `mips_move_2words'.
13123 * xm-iris6.h (alloca): Add prototype argument.
13125 * genpeep.c: Include "tm_p.h" in generated output file.
13127 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13129 * basic-block.h (find_edge_index): Change parameters.
13130 * flow.c (verify_edge_list): Pass basic_block parameters to
13131 find_edge_index instead of integers.
13133 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
13135 * combine.c (simplify_comparison): Use an unsigned shift to adjust
13138 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
13140 * gcc.1: Fix a formatting error.
13142 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13144 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
13145 i786, mn10200, mn10300, pdp11, v850.
13147 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
13149 * libgcc2.c (num_digits): Add prototype with
13150 __attribute__((const)).
13151 (__terminate): Add prototype.
13153 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
13155 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
13157 * alpha/alpha.c (print_operand): Fix type of `code'.
13158 (alpha_output_filename): Constify.
13159 * alpha/alpha.h: Move all function declarations ...
13160 * alpha/alpha-protos.h: ... here. New file.
13161 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
13162 (SECTION_FUNCTION_TEMPLATE): Likewise.
13164 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13166 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
13167 * expr.c (expand_expr): Likewise.
13168 (do_jump): Likewise.
13169 (do_store_flag): Pass ccp_store_flag to can_compare_p.
13170 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
13172 (enum can_compare_purpose): New.
13173 (can_compare_p): Adjust prototype.
13174 (prepare_cmp_insn, prepare_operand): Declare.
13175 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
13176 * optabs.c (cmp_available_p): Deleted.
13177 (expand_abs): Pass ccp_jump to can_compare_p.
13178 (can_compare_p): New arg PURPOSE. Check for combined optabs.
13179 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
13180 Call can_compare_p rather than cmp_available_p.
13181 (prepare_operand): No longer static.
13182 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
13183 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
13184 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
13185 sequence to use emit_cmp_and_jump_insns.
13186 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
13188 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
13190 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
13191 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
13192 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
13193 (plus (reg) (const_int 0))
13194 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
13196 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
13198 * rs6000.c (expand_block_move): DImode loads and stores require
13199 word-aligned displacements. Increment address registers with
13200 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
13202 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
13204 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
13205 is no name for the base type, rather than segfault. If we are
13206 writing out a complex integer type, use DW_ATE_lo_user.
13208 * expr.c (emit_move_insn_1): If we are copying a complex that fits
13209 in one word or less (complex char, complex short, or on 64 bit
13210 systems complex float) to/from a hard register, copy it through
13211 memory instead of dying in gen_{real,imag}part. If we have a
13212 short complex type, prevent inlining since it allocates stack
13215 * tree.c (build_complex_type): If we are writing dwarf2 output,
13216 generate a name for complex integer types.
13218 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13220 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
13221 * flow.c (remove_edge): Remove extra whitespace.
13222 (remove_fake_edges): Fix comment.
13223 (add_noreturn_fake_exit_edges): Use the correct name.
13225 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
13227 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
13228 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
13229 (clean): Depend on INTL_CLEAN.
13230 (maintainer-clean): Adjust.
13232 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13234 * configure.in (AC_PREREQ): Bump to 2.13.
13235 (AC_C_STRINGIZE): Call this instead of using a custom macro.
13237 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
13239 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
13241 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
13243 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
13244 (HAVE_STRINGIZE): Define.
13246 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
13248 * c-parse.in: save and restore warn_pointer_arith on __extension__
13249 along with pedantic.
13250 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
13251 Set the type of extension to itype rather than $<itype>1 kludge.
13252 * extend.texi (Alternate Keywords): Adjust documentation.
13253 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
13255 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
13257 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
13258 most assembler templates.
13260 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
13261 FP loads and stores.
13262 (following_call): Always return zero for the PA8000.
13263 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
13264 FP loads and stores.
13265 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
13267 * pa.h (BRANCH_COST): Define.
13269 * pa.md (return, return_internal): Use bve for PA2.0.
13271 * pa.md (fused multiply): Add variants which reduce height for the
13272 fused multiply, but which still generate 2 insns.
13273 (fnegabs): Similarly.
13275 * pa.md (subsi3): Turn into an expander. Create two anonymous
13276 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
13277 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
13279 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
13281 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
13283 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
13284 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
13286 * regclass.c (init_regs): Add "top_of_stack" as a garbage
13289 * flow.c (record_active_eh_regions): Terminate loop after finding
13290 the last insn in the last basic block.
13292 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13294 * config/c4x/c4x.md: Delete parallel instruction peepholes.
13296 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13298 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
13300 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13302 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
13303 splitting to not use output template.
13305 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13307 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
13308 * config/c4x/c4x.c (c4x_va_start): New function.
13310 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
13312 * genrecog.c (not_both_true): Handle correctly cases when called for
13313 tests with different positions in the insn.
13315 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13317 * machmode.h (HOST_PTR_PRINTF): Move from here ...
13319 * system.h (HOST_PTR_PRINTF): ... to here.
13321 * mips-tfile.c: Don't include machmode.h.
13323 * Makefile.in (MACHMODE_H): New variable. Update to use it.
13324 (mips-tfile.o): Don't depend on machmode.h.
13326 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13328 * haifa-sched.c (sched_analyze): Rename local variable `region' to
13329 avoid conflicts with typedef struct `region' at the top level scope.
13331 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
13333 * basic-block.h (basic_block): Add eh_beg, eh_end.
13334 * flow.c (entry_exit_blocks): Update.
13335 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
13336 Call new functions.
13337 (find_basic_blocks_1): Don't record eh_list at each bb. Use
13338 lists.c functions to allocate insn lists.
13339 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
13341 (make_eh_edge): ... here. New.
13342 (move_stray_eh_region_notes): New.
13343 (record_active_eh_regions): New.
13344 (delete_unreachable_blocks): Split out block merging ...
13345 (try_merge_blocks): ... here. New.
13346 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
13347 Dump debugging data.
13348 (merge_blocks_move_successor_nojumps): Likewise.
13349 (merge_blocks): Use eh_beg+eh_end to validate block movement.
13351 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13353 * extend.texi (Bound member functions): Document unbound pmf
13356 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13358 * flow.c (split_edge): Handle insertion on a fallthrough edge which
13359 has the EXIT_BLOCK as a dest.
13361 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13363 * flow.c (remove_edge): New function to remove an edge from the
13365 (remove_fake_successors): New function to remove fake successor edges.
13366 (remove_fake_edges): New function to remove all fake edges from the
13368 (add_fake_exit_edges): New function to add fake edges from all blocks
13369 with no successors to the exit block.
13370 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
13371 prototypes for new functions.
13373 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13375 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
13376 Use Pmode to determine whether to output .dword or .word.
13378 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
13380 * tree.c (built_in_filename): New variable.
13381 (BUILT_IN_FILENAME): New macro.
13382 (init_tree_codes): Allocate built_in_filename.
13383 (make_node): Use built_in_filename instead of string constant.
13385 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
13387 * configure.in: Add fr30 target.
13388 * configure: Regenerate.
13389 * config/fr30: New directory.
13390 * config/fr30/crti.asm: New file.
13391 * config/fr30/fr30.c: New file.
13392 * config/fr30/crtn.asm: New file.
13393 * config/fr30/fr30.h: New file.
13394 * config/fr30/fr30.md: New file.
13395 * config/fr30/lib1funcs.asm: New file.
13396 * config/fr30/t-fr30: New file.
13397 * config/fr30/xm-fr30.h: New file.
13399 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
13401 * flow.c (merge_blocks_move_successor_nojumps): Delete the
13402 BARRIER at the end of the successor, not the BARRIER before
13405 * pa.c (pa_add_gc_roots): Fix thinko in last change.
13407 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
13409 * stmt.c (any_pending_cleanups): Don't crash when
13410 current_function->stmt is unset.
13412 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13414 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
13415 other initializations that may use it for relative offsets.
13417 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13419 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
13420 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
13421 * config/i386/sol2dbg.h: Removed.
13422 * config/i386/sol2gas.h: New file, to enable gas work-around.
13423 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
13424 Don't use sol2dbg.h.
13425 * configure: Rebuilt.
13427 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
13429 * invoke.texi (-fthis-is-variable): Remove documentation.
13431 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
13433 * basic-block.h (compute_bb_for_insn): Declare.
13434 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
13435 to use; set size of basic_block_for_insn directly.
13436 (find_basic_blocks): Update.
13438 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13440 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
13442 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13444 * crtstuff.c (ON_EXIT): Delete empty macro definition.
13445 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
13447 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
13449 * c-decl.c (c_decode_option): Extend comment.
13451 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
13453 * toplev.c (progname): Make 'const char *'
13454 (flag_print_mem): Move out of main.
13455 (version_flag): Move out of main.
13456 (filename): Move out of main.
13457 (debug_args): Remove g prefix from options.
13458 (documented_lang_options): Remove cpplib specific options.
13459 (display_help): Add g prefix to debug options.
13460 (check_lang_option): Delete this function.
13461 (decode_d_option): New function: Decode -d... option.
13462 (decode_f_option): New function: Decode -f... option.
13463 (decode_W_option): New function: Decode -W... option.
13464 (decode_g_option): New function: Decode -g... option.
13465 (independent_decode_option): New function: Decode a language
13466 independent command line option.
13467 (main): Invoke lang_decode_option and then
13468 independent_decode_option on each command line option in
13471 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
13473 Revert this change. Gavin's patch to operand_equal_p is a better fix.
13474 * fold-const.c (fold_range_test): Do not try to fold the range
13475 test if the rhs or lhs has side effects.
13477 * basic-block.h (compute_flow_dominators): Declare.
13479 * gcse.c (alloc_code_hoist_mem): New function.
13480 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
13481 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
13482 (hoist_code, one_code_hoisting_pass): Likewise.
13483 (gcse_main): If optimizing for size, then hoist expressions
13484 computed in multiple dominated basic blocks.
13486 * gcse.c (invalid_nonnull_info): New function.
13487 (delete_null_pointer_checks): Likewise.
13488 * rtl.h (delete_null_pointer_checks): Declare.
13489 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
13491 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
13492 (merge-blocks_move_successor_nojumps): Likewise.
13493 (merge_blocks): Allow merging of some blocks, even if it requires
13494 physical movement of the blocks, but not if it requires new jumps.
13496 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
13497 Callers and prototype changed.
13498 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
13500 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13502 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
13503 -YP when both -p and -pg are present. From i386/sol2.h.
13505 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13507 * Makefile.in (distclean): Delete tm_p.h.
13508 * configure.in: Create a new file, "tm_p.h", from a list in
13509 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
13510 "i386/i386-protos.h".
13512 * alias.c: Include "tm_p.h".
13513 * c-typeck.c: Likewise.
13514 * calls.c: Likewise.
13516 * emit-rtl.c: Likewise.
13517 * explow.c: Likewise.
13518 * expmed.c: Likewise.
13519 * expr.c: Likewise.
13520 * final.c: Likewise.
13521 * flow.c: Likewise.
13522 * fold-const.c: Likewise.
13523 * function.c: Likewise.
13524 * gcse.c: Likewise.
13525 * global.c: Likewise.
13526 * haifa-sched.c: Likewise.
13527 * integrate.c: Likewise.
13528 * jump.c: Likewise.
13529 * local-alloc.c: Likewise.
13530 * loop.c: Likewise.
13531 * optabs.c: Likewise.
13532 * recog.c: Likewise.
13533 * reg-stack.c: Likewise.
13534 * regclass.c: Likewise.
13535 * regmove.c: Likewise.
13536 * reload.c: Likewise.
13537 * reload1.c: Likewise.
13538 * reorg.c: Likewise.
13539 * resource.c: Likewise.
13540 * stmt.c: Likewise.
13541 * stor-layout.c: Likewise.
13542 * toplev.c: Likewise.
13543 * tree.c: Likewise.
13544 * unroll.c: Likewise.
13545 * genattrtab.c (main): Make generated file include "tm_p.h".
13546 * genemit.c (main): Likewise.
13547 * genoutput.c (main): Likewise.
13548 * genrecog.c (main): Likewise.
13550 * i386.h: Delete all prototypes.
13551 * i386.c: Include "tm_p.h".
13552 (ix86_attr_length_default): Call constant_call_address_operand
13553 with correct number of arguments.
13554 * i386-protos.h: New file.
13555 * i386.md (unnamed patterns): Call constant_call_address_operand
13556 with correct number of arguments.
13557 (exception_receiver): Call load_pic_register with correct number
13560 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
13562 * c-pragma.c (mark_align_stack): Dereference the void* properly.
13564 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
13566 * rtl.h (insns_safe_to_move_p): New function.
13567 * loop.c (find_and_verify_loops): Use it.
13568 * rtlanal.c (insns_safe_to_move_p): Define it.
13570 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
13572 * c-pragma.c: Include ggc.h.
13573 * Makefile.in (c-pragma.o): Update.
13575 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13577 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
13578 (LIB_SPEC): Likewise.
13579 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
13580 Reindent -YP/-p/-pg.
13581 Copied from config/sparc/sol2.h.
13583 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
13585 * c-pragma.c (mark_align_stack): New.
13586 (init_pragma): New.
13587 * c-pragma.h (init_pragma): Declare it.
13588 * c-lex.c (init_parse): Call it.
13590 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13592 * configure.in: Pick up thread library on Solaris/x86 just
13593 like on Solaris/sparc.
13594 * configure: Rebuilt.
13596 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
13598 * rtl.h (global_rtx_index): New enum.
13599 (global_rtl): Change to array of rtx.
13600 (pc_rtx, cc0_rtx): Redefine accordingly.
13601 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
13602 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
13603 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
13604 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
13605 (const_int_rtx): Change to array of rtx.
13606 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
13608 * emit-rtl.c (global_rtl): Change to array of rtx.
13609 (const_int_rtx): Change to aray of rtx.
13610 (gen_rtx_CONST_INT): Redefine accordingly.
13611 (init_emit_once): Allocate and initialize global_rtl. Likewise
13612 for const_int_rtx. Add both as GC roots.
13613 * genattrtab.c (global_rtl): Update declaration.
13615 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
13617 * Makefile (USER_H): Add iso646.h back.
13619 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
13621 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
13622 zapping the LOG_LINKS of sched_before_next_call.
13624 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
13625 * pa.c (insn_refs_are_delayed): Renamed from
13626 insn_sets_and_refs_are_delayed.
13628 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
13630 * functiion.h (struct function): Add x_whole_function_mode_p.
13631 (retrofit_block): Declare.
13632 * function.c (retrofit_block): New function.
13633 (identify_blocks): Add assertions. Allow an incomplete set of
13634 block notes if we're still generating code for the function.
13635 * integrate.c: Include loop.h.
13636 (expand_inline_function): Call find_loop_tree_blocks to map block
13637 notes to blocks when in whole-function mode. Use retrofit_block
13638 to insert new BLOCKs for the inlined function, rather than
13640 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
13641 * Makefile.in (integrate.o): Depend on loop.h.
13643 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
13645 * tree.h (warn_about_unused_variables): Declare.
13646 * stmt.c (warn_about_unused_variables): New function, split out
13648 (expand_end_bindings): Here.
13650 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
13652 * stmt.c (preserve_subexpressions_p): Don't crash when
13653 current_function->stmt is unset.
13655 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
13657 * stmt.c (expand_start_bindings): Allow callers to pass a flag
13658 indicating that no NOTE_INSN_BLOCK_BEG note is required.
13659 (expand_start_target_temps): Use it.
13660 * except.c (expand_eh_region_start_for_decl): Likewise.
13661 * expr.c (expand_expr): Likewise.
13663 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
13665 * fold-const.c (operand_equal_p): Pay attention to side effects.
13667 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13669 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
13670 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
13672 * tlink.c (scan_linker_output): Look for keywords before accepting
13673 a mangled name in quotes.
13675 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
13677 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
13678 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
13680 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
13682 * alpha.md: Revert Thu Nov 26 change that came in through the
13683 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
13684 Avoid earlyclobber when possible.
13686 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13688 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
13690 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
13691 Define HAVE_ON_EXIT.
13693 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13695 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
13696 CTYPE_CONV in all ctype macros.
13698 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
13701 * cexp.y (initialize_random_junk): Likewise.
13703 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
13705 * i370.c (handle_pragma): Likewise.
13707 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
13709 * v850.c (override_options): Likewise.
13711 * doprint.c (_doprnt): Likewise.
13713 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
13716 * fixinc/server.c (load_data): Likewise.
13718 * fold-const.c (real_hex_to_f): Likewise.
13720 * genattr.c (write_upcase, gen_attr): Likewise.
13722 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
13723 write_upcase): Likewise.
13725 * genemit.c (print_code): Likewise.
13727 * genopinit.c (gen_insn): Likewise.
13729 * genpeep.c (print_code): Likewise.
13731 * genrecog.c (print_code): Likewise.
13733 * optabs.c (init_libfuncs): Likewise.
13735 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
13737 * haifa-sched.c (sched_analyze): Keep the list of notes organized
13739 (reemit_notes): Likewise.
13741 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
13743 * ggc.h (ggc_root): Move to ggc-common.c.
13745 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
13746 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
13747 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
13748 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
13749 * ggc-common.c (ggc_root): Move from ggc.h.
13750 (roots): Declare, static.
13751 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
13752 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
13753 null or check/set mark bit.
13754 (ggc_mark_roots): New.
13755 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
13757 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
13759 * m32r.c: Include toplev.h.
13760 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
13761 (gen_compare): Rename swap_p to must_swap to match uses.
13762 Add default abort case.
13763 (m32r_output_function_epilogue): Remove unused variables.
13764 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
13765 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
13766 define to empty parameter list. Update all uses.
13767 (predicate decls): Use enum machine_mode not int.
13768 * m32r.md (movsi): Call abort, not fatal_insn.
13769 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
13771 1999-09-14 Andrew Haley <aph@cygnus.com>
13773 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
13774 use $0 instead of 0.
13776 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13778 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
13779 computation out of loop over hard regs.
13781 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
13783 * function.c (identify_blocks): Don't shadow a variable in an
13785 * integrate.c (integrate_decl_tree): Don't use pushlevel,
13786 pushdecl, or poplevel to build up the new BLOCK tree.
13787 (expand_inline_function): Likewise.
13788 (integrate_parm_decls): Likewise.
13790 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
13792 * c-typeck.c (qualify_type): Merge qualifiers from both types.
13794 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
13796 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
13797 * invoke.texi: Document this change.
13799 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
13801 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
13803 (mark_emit_status): Renamed from mark_emit_state.
13804 * except.c (mark_eh_status): Renamed from mark_eh_state.
13805 Check not null before marking.
13806 (free_eh_status): New.
13807 * expr.c (mark_expr_status, free_expr_status): New.
13808 * function.c (free_machine_status): New.
13809 (free_after_parsing): New.
13810 (free_after_compilation): Move bits to free_after_parsing; call
13811 free_eh_status, free_expr_status; zero the marked members of the
13813 (prepare_function_start): No can_garbage_collect.
13814 Call init_eh_for_function.
13815 (expand_dummy_function_end): Free up current_function state.
13816 (mark_function_status): Renamed from mark_function_state.
13817 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
13818 * function.h (struct function): No can_garbage_collect.
13819 (free_machine_status, free_after_parsing): Declare.
13820 (free_eh_status, free_expr_status): Declare.
13821 * ggc.h (mark_expr_status): Declare.
13822 * stmt.c (free_stmt_status): Free the struct.
13823 (mark_stmt_status): Renamed from mark_stmt_state.
13824 (init_stmt): Don't call init_eh.
13825 (init_stmt_for_function): Don't call init_eh_for_function.
13826 * toplev.c (compile_file): Call init_eh.
13827 (rest_of_compilation): Free basic block info before ggc_collect.
13828 Call free_after_parsing; conditionally call free_after_compilation.
13829 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
13830 Check not null before marking.
13831 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
13833 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
13835 * c-lex.c (yylex): Initialize warn.
13837 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
13839 * pa.c (emit_move_sequence): Properly set the mode of the scratch
13840 register when performing secondary reloads for the SAR register.
13842 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
13844 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
13845 (NOTE_BLOCK): New macro.
13846 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
13847 * function.h (identify_blocks): Change prototype.
13848 * function.c (identify_blocks): Simplify.
13849 (reorder_blocks): Likewise.
13850 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
13851 NOTE_INSN_BLOCK_{BEG,END}.
13852 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
13853 the list of saved notes if the note isn't a
13854 NOTE_INSN_BLOCK_{BEG,END}.
13855 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
13857 (reemit_notes): Adjust recreation of notes to reflect new saved
13859 * print-rtl.c (print_rtx): Print the address of the BLOCK when
13860 printing a block note.
13861 * stmt.c (block_vector): Remove.
13862 (find_loop_tree_blocks): Simplify.
13863 (unroll_block_trees): Likewise.
13864 * tree.h (reorder_block): Change prototype.
13866 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
13868 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
13869 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
13870 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
13871 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
13872 (atexit, exit): Simplify.
13873 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
13874 * config/lots: Remove defns of HAVE_ATEXIT.
13876 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
13878 * calls.c (precompute_arguments): Fix typo in comment.
13879 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
13882 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
13884 * dsp16xx.c (override_options): Fix typos in GC root registration.
13886 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
13888 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
13889 from config/svr4.h.
13890 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
13891 (FUNCTION_PROFILER): Redefine appropriately for Linux.
13892 (CC1_SPEC): Likewise.
13894 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13896 * genattr.c (main): Add extern prototype. Call return, not exit.
13897 * genattrtab.c (main): Likewise.
13898 * gencheck.c (main): Likewise.
13899 * gencodes.c (main): Likewise.
13900 * genconfig.c (main): Likewise.
13901 * genemit.c (main): Likewise.
13902 * genextract.c (main): Likewise.
13903 * genflags.c (main): Likewise.
13904 * gengenrtl.c (main): Likewise.
13905 * genopinit.c (main): Likewise.
13906 * genoutput.c (main): Likewise.
13907 * genpeep.c (main): Likewise.
13908 * genrecog.c (main): Likewise.
13910 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
13911 * genattrtab.c (get_insn_name): Likewise.
13912 * gencodes.c (get_insn_name): Likewise.
13913 * genconfig.c (get_insn_name): Likewise.
13914 * genemit.c (get_insn_name): Likewise.
13915 * genextract.c (get_insn_name): Likewise.
13916 * genflags.c (get_insn_name): Likewise.
13917 * genopinit.c (get_insn_name): Likewise.
13918 * genpeep.c (get_insn_name): Likewise.
13920 * gencheck.c (usage): Add static prototype.
13921 * genextract.c (print_path): Constify a char*.
13922 * genopinit.c (optabs): Likewise.
13923 * genoutput.c (operand_data, data, output_predicate_decls,
13924 compare_operands): Likewise.
13925 * genrecog.c (write_tree): Add default case in switch.
13927 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13929 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
13931 * print-rtl.c (get_insn_name): Remove prototype.
13933 * toplev.h (progname): Declare const.
13935 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
13936 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
13937 dump_sched_info, dump_local_alloc, regset_release_memory,
13938 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
13939 error_with_file_and_line, error_with_decl, error_for_asm, error,
13940 fatal, warning_with_file_and_line, warning_with_decl, warning,
13941 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
13942 Remove redundant prototypes.
13944 (notice, check_lang_option, report_file_and_line, vnotice,
13945 mark_file_stack): Add static prototype.
13946 (set_fatal_function): Add prototype.
13947 (vnotice, report_file_and_line, set_fatal_function,
13948 check_lang_option): Constify a char*.
13949 (main): Prototype. Call return, not exit.
13951 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13953 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
13955 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
13957 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
13959 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
13961 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13963 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
13964 behave as if it's zero in all cases.
13965 (expand_function_start): Adjust call to assign_parms.
13966 * tree.h (assign_parms): Adjust prototype.
13967 * objc/objc-act.c (hack_method_prototype): Adjust call to
13970 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
13972 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
13973 arg_pointer_rtx fixed if the argument pointer register is
13975 (NONZERO_BASE_PLUS_P): Likewise.
13977 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
13979 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
13980 match_insn2 to match_insn.
13981 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
13983 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
13985 * Makefile.in (USER_H): Remove va-foo.h.
13987 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
13988 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
13989 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
13990 va-spur.h,va-v850.h}: Remove.
13992 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
13994 * sparc/sparc.md (eligible_for_return_delay): New attribute.
13995 (in_return_delay): Use it instead of match_insn.
13997 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13999 * config/alpha/va_list.h (va-alpha.h): Do not include.
14000 (__gnuc_va_list): Typedef as in varargs.h.
14002 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
14004 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
14005 DECL_LIVE_RANGE_RTL.
14007 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
14009 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
14010 not NOTE_BLOCK_NUMBER.
14011 (expand_eh_region_end): Likewise.
14012 (find_exception_handler_labels): Likewise.
14013 (scan_region): Likewise.
14014 (exception_optimize): Likewise.
14015 (update_rethrow_references): Likewise.
14016 (set_insn_eh_region): Likewise.
14017 * final.c (final_scan_insn): Likewise.
14018 * flow.c (make_edges): Likewise.
14019 * integrate.c (expand_inline_function): Likewise.
14020 * print-rtl.c (print_rtx): Likewise.
14022 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
14024 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
14025 terms of builtin functions and types.
14027 * mips.c (mips_build_va_list): New.
14028 (mips_va_start, mips_va_arg): New.
14029 * mips.h (BUILD_VA_LIST_TYPE): New.
14030 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
14032 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
14033 (sh_build_va_list, sh_va_start, sh_va_arg): New.
14034 * sh.h (BUILD_VA_LIST_TYPE): New.
14035 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
14037 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
14039 * recog.h (struct recog_data): Make dup_num, operand_address_p,
14040 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
14041 (struct insn_data): Likewise with n_operands, n_dups,
14042 n_alternatives, output_format.
14043 * regclass.c (scan_one_insn): Cast n_operands to int before
14044 arithmetic inside comparison.
14046 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
14048 * toplev.c (compile_function): Unconditionally emit nop.
14050 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14052 * haifa-sched.c (actual_hazard): Move declaration of variable
14053 `this_cost' into the scope where it is used.
14055 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14057 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
14058 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
14059 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
14061 * genrecog.c (make_insn_sequence): Call memset, not bzero.
14063 * jump.c (find_insert_position): Don't declare or define unless
14064 !HAVE_conditional_arithmetic.
14065 (returnjump_p_1, delete_prior_computation): Add static prototypes.
14067 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
14069 * recog.c (offsettable_address_p): Prototype function pointer.
14070 (preprocess_constraints): Call memset, not bzero.
14072 * tree.c (tree_node_kind_names): Constify a char*. Make static.
14073 (gcc_obstack_init): Don't declare.
14074 (fix_sizetype): Add static prototype.
14075 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
14076 (tree_cons): Call memset, not bzero.
14078 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
14079 definition in macro ASM_WEAKEN_LABEL.
14080 (mark_const_hash_entry): Add static prototype.
14082 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14084 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
14086 * unroll.c (find_common_reg_term, subtract_reg_term,
14087 loop_find_equiv_value): Add static prototypes.
14088 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
14089 (copy_loop_body): Remove unreachable break statement.
14091 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
14093 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
14095 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14097 Undo some changes from the gcc2 merge:
14098 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
14099 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
14103 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
14104 * emit-rtl.c (gen_lowpart_common): Disable optimization of
14105 initialized float-int union if the value is a NaN.
14107 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
14109 * gthr-win32.h: New file.
14111 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
14112 shared as a valid attribute.
14113 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
14114 * extend.texi: Document `shared' variable attribute.
14116 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
14118 * configure.in: Handle --enable-threads on FreeBSD.
14119 * configure: Rebuit.
14121 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
14123 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
14125 * configure: Rebuilt.
14127 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
14128 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
14129 Rosimildo DaSilva <rdasilva@connecttel.com>
14131 * configure.in (m68k-*-rtemscoff*): Added.
14132 * configure.in (mips64orion-*-rtems*): Converted to ELF.
14133 * configure.in (sparc-*-rtemsaout*): Added as alias for old
14134 sparc-rtems configuration.
14135 * configure.in (sparc-*-rtemself*): Added.
14136 * configure.in (sparc-*-rtems*): Now ELF not a.out.
14137 * config/i386/rtems.h: Added comment.
14138 * config/sparc/rtemself.h: New file.
14140 * configure.in (m68k-rtemself): Added.
14141 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
14142 and DWARF_DEBUGGING_INFO.
14143 * config/m68k/crti.s: New file.
14144 * config/m68k/crtn.s: New file.
14145 * config/m68k/t-crtstuff: New file.
14146 * config/m68k/rtemself.h: New file.
14148 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
14149 global ctor/dtor and C++ exception handling.
14150 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
14151 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
14153 * config/i386/t-rtems-i386: New File.
14155 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
14157 * stmt.c (expand_end_case): Return right away if the case stack is
14160 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
14162 * Makefile.in (version.c): Remove rule incorrectly brought in from
14165 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
14167 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
14168 * msdos/top.sed: Take into account a prepended $(SHELL) to
14170 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
14172 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
14174 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14176 * regmove.c (fixup_match_1): Don't change an unchanging register.
14177 (stable_but_for_p): Renamed to:
14178 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
14179 Changed all callers.
14181 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
14183 * loop.c (strength_reduce): Don't call reg_used_between_p if the
14184 insn from BL2 is after the insn from BL.
14186 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
14188 * recog.h (INSN_OUTPUT_FORMAT_*): New.
14189 (struct insn_data): Merge `template' and `outfun' into `output'.
14190 Add `output_format'.
14191 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
14192 (struct data): Remove `outfun'; add `output_format'.
14193 (name_for_index): Remove declaration.
14194 (output_insn_data): Handle output formats.
14195 (process_template): Emit the bare array for @.
14196 (gen_expand, gen_split): Set output_format to NONE.
14197 * output.h (get_insn_template): Declare.
14198 * final.c (get_insn_template): New.
14199 (final_scan_insn): Use it.
14200 * toplev.c (compile_file): Likewise.
14202 * c4x/c4x.c (c4x_process_after_reload): Likewise.
14203 * i860/i860.c (output_delayed_branch): Likewise.
14204 (output_delay_insn): Likewise.
14206 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14208 * rtl.c (obstack_alloc_rtx): Removed.
14210 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
14212 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
14214 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14216 * i386.c (call_insn_operand): Reject const_int.
14217 (expander_call_insn_operand): Use call_insn_operand.
14219 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14221 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
14223 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
14225 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
14226 Use DImode operation.
14228 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
14230 * gcc.c: Include sys/resource.h.
14231 (report_times): New flag.
14232 (execute): If report_times is set, calculate and report the
14233 CPU time consumed by each subprocess.
14235 (rus, prus): New globals.
14236 (option_map): Add --time.
14237 (display_help): Document -time.
14238 (process_command): Set report_times if -time is given.
14239 Turn off -pipe if -time is given.
14241 * invoke.texi: Document new option -time.
14243 * configure.in: Check for getrusage. Check if we have to
14244 prototype getrusage.
14245 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
14246 * configure: Regenerate.
14247 * config.in: Regenerate.
14249 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
14251 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
14254 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
14256 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
14257 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
14258 (nan): Return _thenan_sf or _thenan_df as appropriate.
14259 (L_thenan_sf): Define _thenan_sf.
14260 (L_thenan_df): Define _thenan_df.
14262 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
14263 (DPBIT_FUNCS): Add _thenan_df.
14265 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
14267 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
14270 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14272 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
14275 (lang_specific_driver): Don't take a function pointer parameter.
14276 All callers changed.
14278 * gcc.c: Include gcc.h.
14279 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
14280 lang_specific_extra_outfiles, fatal): Don't declare.
14281 (multilib_defaults_raw): Constify.
14282 (read_specs): Call memset, rather than bzero.
14283 (main): Call return, not exit.
14284 (lookup_compiler): Call memcpy, not bcopy.
14285 (fatal): Make extern.
14287 * cppspec.c: Include gcc.h.
14288 (lang_specific_driver): Initialize variable `quote'. Constify a
14289 char*. All calls to the function pointer parameter now
14290 explicitly call `fatal'.
14292 * gccspec.c (lang_specific_driver): Include gcc.h.
14294 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
14296 * arm.c (note_invalid_constants): Use recog_data.operand_type
14299 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14301 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
14304 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
14305 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
14306 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
14307 reload_secondary_in_reload, reload_secondary_out_reload,
14308 reload_secondary_in_icode, reload_secondary_out_icode,
14309 reload_reg_rtx, reload_when_needed): Delete declarations.
14310 (struct reload): New structure.
14311 (rld): Declare new array.
14312 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
14313 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
14314 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
14315 reload_secondary_in_reload, reload_secondary_out_reload,
14316 reload_secondary_in_icode, reload_secondary_out_icode,
14317 reload_reg_rtx, reload_when_needed): Delete definitions.
14319 (whole file): Replace uses of the deleted arrays with uses of rld.
14320 * reload1.c (whole file): Replace uses of the deleted arrays with
14322 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
14323 explicit loops, not with bcopy.
14325 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
14327 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
14328 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
14329 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
14330 insn_name): Delete and consolidate into new structures.
14331 (insn_operand_predicate_fn): New.
14332 (insn_output_fn): New.
14333 (insn_gen_fn): New.
14334 (struct insn_operand_data): New.
14335 (struct insn_data): New.
14337 (OUT_FCN): Update for insn_data change.
14338 * builtins.c (expand_builtin_strlen): Likewise.
14339 (expand_builtin_memcmp): Likewise.
14340 * combine.c (make_extraction, simplify_comparison): Likewise.
14341 * cse.c (canon_reg, cse_insn): Likewise.
14342 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
14343 * expmed.c (store_bit_field, extract_bit_field): Likewise.
14344 (emit_store_flag): Likewise.
14345 * expr.c (convert_move, emit_block_move): Likewise.
14346 (clear_storage, emit_push_insn, expand_increment): Likewise.
14347 (do_store_flag): Likewise.
14348 * expr.h (GEN_FCN): Likewise.
14349 (insn_gen_function): Die.
14350 * final.c (final_scan_insn): Update for insn_data change.
14351 (output_asm_name): Likewise.
14352 * function.c (fixup_var_refs_1): Likewise.
14353 * loop.c (check_dbra_loop): Likewise.
14354 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
14355 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
14356 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
14357 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
14358 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
14359 * regmove.c (gen_add3_insn): Likewise.
14360 * reload.c (push_secondary_reload, combine_reloads): Likewise.
14361 (find_reloads, find_reloads_address_1): Likewise.
14362 (debug_reload_to_stream): Likewise.
14363 * reload1.c (emit_reload_insns, gen_reload): Likewise.
14364 * stmt.c (expand_end_case): Likewise.
14365 * toplev.c (compile_file): Likewise.
14367 * c4x/c4x.c (c4x_process_after_reload): Likewise.
14368 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
14370 * print-rtl.c (insn_name_ptr): Remove declaration.
14371 (get_insn_name): Declare.
14372 (print_rtx): Use it.
14373 * genoutput.c (insn_name_ptr): Remove.
14374 (next_operand_number): New.
14375 (struct operand_data): New.
14376 (null_operand, odata, odata_end): New.
14377 (struct data): Use struct operand_data.
14378 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
14379 (get_insn_name): Renamed from name_for_index.
14380 (output_prologue): Define NO_MD_PROTOTYPES.
14381 (output_predicate_decls): Break out from output_epilogue.
14382 Iterate over the operands list.
14383 (output_operand_data): Break out from output_epilogue. Emit
14384 just the operands list.
14385 (output_insn_data): Break out from output_epilogue. Emit just
14387 (output_epilogue): Remove.
14388 (output_get_insn_name): New.
14389 (constraints, op_n_alternatives, predicates, address_p): Die.
14390 (modes, strict_low, seen): Die.
14391 (scan_operands): Take new param `d' instead of writing to
14392 seven global variables.
14393 (compare_operands): New.
14394 (place_operands): New.
14395 (validate_insn_alternatives): Update for struct data change.
14396 (gen_insn): Don't zero or copy 7 global arrays. Update for
14397 scan_operands; call place_operands.
14398 (gen_peephole, gen_expand, gen_split): Likewise.
14399 (main): Update for new output routines.
14401 * genattr.c (insn_name_ptr): Remove.
14402 (get_insn_name): New function.
14403 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
14404 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
14405 * genrecog.c: Likewise.
14407 * alpha.md (adddi3): Make `pattern' array static.
14409 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14411 * config/c4x/c4x.h (c4x_rpts_cycles_string,
14412 c4x_cpu_version_string): Constify char *.
14413 * config/c4x/c4x.c (c4x_rpts_cycles_string,
14414 c4x_cpu_version_string): Likewise.
14416 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
14418 * tree.c (save_tree_status): Revert 10 Sep change.
14419 (restore_tree_status): Likewise. Call obstack_free with NULL
14420 before freeing the obstack proper.
14422 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
14424 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
14426 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
14427 surrounding context.
14429 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
14431 * tree.c (type_hash_canon): Put all types in the hash-table, when
14434 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
14436 * recog.h (struct recog_data, recog_data): New.
14437 (recog_foo variables): Kill.
14438 * recog.c (recog_operand, recog_operand_loc): Kill.
14439 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
14440 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
14441 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
14442 (recog_data): Define.
14443 (extract_insn): Update all recog_foo references to use recog_data.
14444 (preprocess_constraints, constrain_operands): Likewise.
14445 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
14446 * genattrtab.c (main): Likewise.
14447 * genextract.c (main): Likewise.
14448 * genoutput.c: Likewise.
14449 * genrecog.c (write_subroutine, main): Likewise.
14450 * local-alloc.c (block_alloc): Likewise.
14451 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
14452 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
14453 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
14454 * reload.c (find_reloads, find_reloads_toplev): Likewise.
14455 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
14456 (reload_cse_simplify_operands): Likewise.
14458 * arc/arc.c (arc_final_prescan_insn): Likewise.
14459 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
14460 * h8300/h8300.c (notice_update_cc): Likewise.
14461 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
14462 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
14463 * mn10200/mn10200.c (notice_update_cc): Likewise.
14464 * mn10300/mn10300.c (notice_update_cc): Likewise.
14465 * romp/romp.c (update_cc): Likewise.
14466 * sparc/sparc.c (check_pic): Likewise.
14467 * v850/v850.c (notice_update_cc): Likewise.
14469 * genemit.c (main): Don't declare recog_operand.
14471 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
14473 * ggc.h (rtvec_def): Forward declare.
14474 (tree_node): Likewise.
14475 (ggc_root): Define.
14477 (ggc_set_mark_rtx): Add prototype.
14478 (ggc_set_mark_rtvec): Likewise.
14479 (ggc_set_mark_tree): Likewise.
14480 * ggc-simple.c (ggc_root): Don't define.
14481 (roots): Don't declare.
14482 (ggc_mark_rtx): Remove.
14483 (ggc_mark_rtvec): Likewise.
14484 (ggc_mark_tree): Likewise.
14485 (ggc_mark_varray): Likewise.
14486 (ggc_mark_tree_hash_table_entry): Likewise.
14487 (ggc_mark_tree_hash_table): Likewise.
14488 (ggc_set_mart_rtx): New function.
14489 (ggc_set_mark_rtvec): Likewise.
14490 (ggc_set_mark_tree): Likewise.
14491 (ggc_add_root): Remove.
14492 (ggc_add_rtx_root): Likewise.
14493 (ggc_remove_tree_root): Likewise.
14494 (ggc_add_string_root): Likewise.
14495 (ggc_add_tree_varray_root): Likewise.
14496 (ggc_add_tree_hash_table_root): Likewise.
14497 (ggc_del_root): Likewise.
14498 (ggc_mark_rtx_ptr): Likewise.
14499 (ggc_mark_tree_ptr): Likewise.
14500 (ggc_mark_string_ptr): Likewise.
14501 (ggc_mark_tree_varray_ptr): Likewise.
14502 (ggc_mark_tree_hash_table_ptr): Likewise.
14503 * ggc-common.c: New file.
14504 * Makefile.in (OBJS): Add ggc-common.o.
14505 (ggc-common.o): List dependencies.
14507 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
14509 * cppalloc.c (xstrdup): Use memcpy.
14510 * cpperror.c (cpp_print_containing_files): Don't use
14512 * cpplib.c (conditional_skip): Set temp->lineno.
14513 (do_endif): Make error message less obscure.
14514 (if_directive_name): New function.
14515 (cpp_get_token [case EOF]): Unwind the if stack and generate
14516 error messages for each unterminated conditional in this file.
14517 (parse_string): Do not behave differently if -traditional.
14519 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
14521 * builtins.c (expand_builtin_va_arg): Cope with an array-type
14522 va_list decomposing to pointer-type.
14523 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
14524 (rs6000_va_arg): Likewise.
14526 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
14528 * except.c (start_dynamic_handler): Compute size using
14529 STACK_SAVEAREA_MODE.
14531 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14533 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
14534 include directory headers. Don't define strrchr. Don't provide
14535 my_* replacement functions. Prefer PTR over `pointer_type'.
14536 Don't prototype system functions. Don't redefine getopt.
14538 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
14539 safe_read, safe_write, save_pointers, restore_pointers,
14540 is_id_char, in_system_include_dir, directory_specified_p,
14541 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
14542 find_corresponding_lparen, referenced_file_is_newer,
14543 save_def_or_dec, munge_compile_params, gen_aux_info_file,
14544 process_aux_info_file, identify_lineno, check_source,
14545 seek_to_line, forward_to_next_token_char, output_bytes,
14546 output_string, output_up_to, other_variable_style_function,
14547 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
14548 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
14549 find_static_definition, connect_defs_and_decs, add_local_decl,
14550 add_global_decls, needs_to_be_converted, visit_each_hash_node,
14551 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
14552 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
14553 scan_for_missed_items, edit_file, string_list_cons): Add static
14555 (standard_exec_prefix, target_machine, target_version,
14556 default_syscalls_dir, string_list, string_list_cons, find_file,
14557 do_cleaning): Constify a char*.
14558 (safe_read, safe_write): Use PTR, not a char*.
14559 (is_id_char): Take an int, not a char.
14560 (main): Add prototype. Call return, not exit.
14562 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
14564 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
14565 when comparing types.
14567 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
14569 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
14570 (strength_reduce): Release the varrays from the no-bivs early exit.
14572 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
14573 the loop over the registers.
14575 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
14577 (restore_tree_status): Check that instead when freeing the obstack.
14579 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
14581 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
14584 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14586 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
14587 operand size modifiers.
14589 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14591 * c-common.c (c_common_nodes_and_builtins): Don't build
14593 * c-common.h (enum c_tree_index and related accesor macros): Remove
14594 everything now declared in tree.h.
14595 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14596 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
14597 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
14598 (error_mark_node, void_type_node, char_type_node, integer_type_node,
14599 unsigned_type_node, ptr_type_node, va_list_type_node,
14600 integer_zero_node, null_pointer_node, integer_one_node): Delete.
14601 (init_decl_processing): Call build_common_tree_nodes and
14602 build_common_tree_nodes_2 instead of building their nodes here.
14603 Don't add roots for these nodes.
14604 * stor-layout.c (size_zero_node, size_one_node): Delete.
14605 (set_sizetype): Make a new node for bitsizetype each time.
14606 * tree.c (global_trees): New variable.
14607 (init_obstacks): Add a gc root for it.
14608 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14609 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
14610 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
14611 (build_common_tree_nodes): New function.
14612 (fix_sizetype): New function.
14613 (build_common_tree_nodes_2): New function.
14614 * tree.h (enum tree_index): New.
14615 (global_trees): Declare.
14616 Add accessor macros for all nodes now moved to global_trees.
14617 Delete their declarations.
14619 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
14621 * c-decl.c (finish_function): When processing a nested function,
14622 push and pop GC context around rest_of_compilation.
14624 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
14626 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
14627 Default ix86_arch to PROCESSOR_I386.
14628 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
14629 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
14630 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
14631 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
14632 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
14633 (EXTRA_SPECS): Remove deleted specs.
14635 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
14637 * function.c (assign_stack_local_1): Allocate from
14638 function->x_frame_offset, not frame_offset.
14640 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
14642 * ggc.h (lang_cleanup_tree): Remove.
14643 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
14644 * ggc-callbacks.c (lang_cleanup_tree): Remove.
14646 * c-decl.c (finish_struct): Use ggc_alloc to allocate
14647 TYPE_LANG_SPECIFIC when garbage collecting.
14648 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
14649 (lang_cleanup_tree): Remove.
14651 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
14653 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
14654 * crtstuff.c: Not here.
14655 * dwarf2out.c: Or here.
14656 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
14659 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
14661 * function.h (free_after_compilation): Remove decl parameter.
14662 (free_varasm_status0: Likewise.
14663 (free_emit_status): Likewise.
14664 (free_stmt_status): Likewise.
14665 (free_after_compilation): Likewise.
14666 (init_lang_status): New variable.
14667 (free_lang_status): Likewise.
14668 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
14669 * function.c (init_lang_status): New variable.
14670 (free_lang_status): Likewise.
14671 (push_function_context_to): Don't set function::decl here.
14672 (free_after_copmilation): Make decl parameter implicit. Call
14673 free_lang_status if defined.
14674 (prepare_function_start): Call init_lang_status if defined.
14675 (init_function_start): Set function::decl here.
14676 * profile.c (output_func_start_profiler): Don't call pushdecl
14677 until we've actually started the function.
14678 * stmt.c (free_stmt_status): Make decl parameter implicit.
14679 * toplev.c (rest_of_compilation): Don't pass decl to
14680 free_after_compilation.
14681 * varasm.c (free_varasm_status): Likewise.
14683 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14685 * except.c (call_get_eh_context): Add root when allocating static
14688 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
14690 * arm.c: Include "ggc.h".
14691 (arm_add_gc_roots): New function.
14692 (arm_override_options): Call it.
14693 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
14695 * arm.md (define_asm_attributes): Add a pool_range attribute.
14697 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
14699 * extend.texi (Volatiles): New node.
14701 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
14703 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
14704 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
14705 (struct ggc_any): Replace `mark' with `magic_mark'.
14706 (ggc_alloc_string): Use memcpy, not bcopy.
14707 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
14708 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
14709 (ggc_free_any): New.
14710 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
14711 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
14712 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
14713 Use IS_MARKED. Use ggc_free_any.
14715 1999-09-09 Scott Bambrough <scottb@netwinder.org>
14717 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
14719 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
14721 * toplev.c (main): Always init_ggc.
14723 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
14725 * except.c (find_all_handler_type_matches): Free the list if
14726 we found no matches.
14728 * combine.c (SUBST): Break out to a real function do_SUBST.
14729 (SUBST_INT): Likewise.
14730 * gcse.c (free_pre_mem): Free `temp_bitmap'.
14731 (pre_insert): Free `inserted'.
14732 * loop.c (basic_induction_var): Always set `location'.
14734 * function.c (expand_function_end): Add initial_trampoline as a root.
14735 * rtl.h (init_varasm_once): Declare.
14736 * toplev.c (compile_file): Call it.
14737 * ggc-simple.c (ggc_mark_string_ptr): New.
14738 (ggc_add_string_root): New.
14739 (ggc_collect): Disable collection avoidance temporarily.
14740 * ggc.h (ggc_add_string_root): Declare.
14741 * except.c (create_rethrow_ref): Use ggc_alloc_string.
14742 * optabs.c (init_libfuncs): Likewise.
14743 * varasm.c (named_section): Use ggc_alloc_string.
14744 (make_function_rtl): Likewise.
14745 (make_decl_rtl): Likewise.
14746 (assemble_static_space): Likewise.
14747 (assemble_trampoline_template): Likewise.
14748 (output_constant_def): Likewise.
14749 (force_const_mem): Likewise.
14750 (mark_const_hash_entry): New.
14751 (mark_pool_sym_hash_table): New.
14752 (mark_varasm_state): Use it.
14753 (init_varasm_once): New.
14755 * expr.h (init_one_libfunc): Declare.
14756 * optabs.c (init_one_libfunc): New.
14757 (init_optabs): Use it.
14758 * config/gofast.h: Likewise.
14759 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
14760 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
14762 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
14764 * Makefile.in (cppexp.o): Depend on cpphash.h.
14765 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
14767 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
14768 * cpplib.c (do_define): Generalise to handle poisoned definitions,
14769 redefining poisoned identifiers, etc.
14770 (do_undef): Don't allow poisoned identifiers to be undefined.
14771 (do_pragma): Add #pragma poison.
14772 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
14774 * cccp.c: Add T_POISON node type.
14775 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
14777 (do_define): Generalise to handle poisoned definitions,
14778 redefining poisoned identifiers, etc.
14779 (do_undef): Don't allow poisoned identifiers to be undefined.
14780 (do_pragma): Add #pragma poison.
14781 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
14783 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
14784 * c-pragma.h: Add ps_poison state. We now always have generic
14787 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
14789 * ggc.h (ggc_alloc): New function.
14790 (ggc_mark): Likewise.
14791 * ggc-simple.c (ggc_any): New structure.
14792 (ggc_status): Add anys.
14793 (n_anys_collected): New variable.
14794 (ggc_alloc): Define.
14795 (ggc_mark): Likewise.
14796 (ggc_collect): Collect the anys.
14798 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14800 * c-decl.c (mark_binding_level): Make static to match prototype.
14802 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
14804 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
14806 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
14808 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
14809 will use into account. Expand the max width to 5.
14812 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
14814 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
14815 for the rtx length.
14817 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
14819 * alpha.md (call value patterns): Remove the result predicates.
14821 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
14823 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
14826 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14828 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
14829 changed from extern char *, to extern PTR. Also fix typo in
14830 NEED_DECLARATION_REALLOC test.
14832 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
14834 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14836 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
14837 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
14838 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
14839 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
14841 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
14843 * cccp.c (pcfinclude): Likewise.
14845 * global.c (allocno_compare): Likewise.
14847 * haifa-sched.c (rank_for_schedule): Likewise.
14849 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
14851 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
14853 * stupid.c (stupid_reg_compare): Likewise.
14855 * tree.c (_obstack_allocated_p): Likewise.
14857 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
14859 1999-09-08 Bruce Korb autogen@linuxbox.com
14861 * Makefile.in: Give the hapless gperf user a hint about
14862 why "gperf -F" fails.
14864 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
14866 * lists.c: Include ggc.h.
14868 (init_EXPR_INSN_LIST_cache): Install it.
14870 * ggc-simple.c (init_ggc): Absorb the old init.
14871 (ggc_push_context): Use xcalloc.
14872 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
14873 (ggc_collect): Add [rvts] tags to the collection stats.
14875 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
14877 * cccp.c (main): Fix handling of -include and -imacros options.
14879 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
14881 * cpplib.c (cpp_push_buffer): Fix order of arguments.
14883 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14885 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
14888 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
14890 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
14891 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
14892 and SET_DEST. Update comment.
14894 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14896 * config/c4x/c4x.c: Include ggc.h.
14897 (c4x_add_gc_roots): New function.
14898 (c4x_override_options): Call c4x_add_gc_roots.
14900 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
14902 * defaults.h (TARGET_ESC): Move ...
14903 * system.h: ... here, where Linas had it in the first place. Silly me.
14905 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
14907 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
14908 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
14909 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
14910 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
14911 * defaults.h (TARGET_ESC): Add default.
14913 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
14915 * configure.in: add i370-*-openedition, i370-*-mvs and
14916 i370-*-linux targets
14918 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
14920 * dsp16xxx.c: Include ggc.h
14921 (override_options): Mark GC roots.
14922 * mn10200.c: Include ggc.h.
14923 (asm_file_start): Mark GC roots.
14924 * tahoe.c: Include ggc.h.
14925 (extensible_operand): Mark GC roots.
14927 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
14929 * README: Add section discussing status of ELF ABI.
14930 * i370.c: Fix misc spelling mistakes.
14931 (i370_label_scan): Updated notes, exception handling.
14932 (i370_function_prolog): Simplify ELF stack handling.
14933 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
14934 (STACK_GROWS_DOWNWARD): ELF stack grows down.
14935 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
14936 * i370.md: (movdi): Add notes.
14937 (floatsidf2): Use stack not rtca for scratch float area.
14938 (iorsi3): Correct operand constraints.
14939 * x-oe: Restore TAROUTOPTS which are used by pax.
14941 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
14943 * rs6000.c: Include ggc.h.
14944 (rs6000_add_gc_roots): New function.
14945 (override_options): Call it.
14947 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
14949 * alpha.h (alpha_compare): New.
14950 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
14951 * alpha.c: Likewise for the definitions.
14952 (alpha_emit_conditional_branch): Update for alpha_compare.
14953 (alpha_emit_conditional_move): Likewise.
14954 * alpha.md (cmpdf, cmpdi): Likewise.
14955 (setcc patterns): Likewise. Zero alpha_compare after use.
14956 (sne): Optimize (x != 0) into (0U < x).
14958 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
14960 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
14961 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
14962 (INIT_EXPANDERS): Remove.
14963 * alpha.c: Include ggc.h.
14964 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
14965 (alpha_init_machine_status, alpha_mark_machine_status): New.
14966 (override_options): Install them.
14967 (struct machine_function): Moved to alpha.h.
14968 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
14969 (alpha_init_expanders): Remove.
14970 (alpha_return_addr): Adjust to use current_function->machine.
14971 (alpha_ra_ever_killed): Likewise.
14972 (alpha_expand_epilogue): Likewise.
14973 * alpha.md (eh_epilogue): Likewise.
14975 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
14976 Melissa O'Neill <oneill@cs.sfu.ca>
14977 Geoffrey Keating <geoffk@cygnus.com>
14979 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
14980 call-used registers (call-saved registers must still be contiguous
14981 and end with r31, of course).
14983 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
14985 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
14986 (self_promoting_type_p): Delete.
14987 (self_promoting_args_p): Move ...
14988 * c-common.c: ... here.
14989 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
14990 (simple_type_promotes_to): New.
14991 * builtins.c (lang_type_promotes_to): New.
14992 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
14993 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
14994 * c-common.h: ... here.
14995 (self_promoting_args_p, simple_type_promotes_to): Declare.
14996 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
14997 (grokdeclarator): Likewise.
14998 * tree.h (lang_type_promotes_to): Declare.
15000 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
15002 Add some machine-dependent GC roots.
15003 * sparc.c: Include ggc.h.
15004 (sparc_add_gc_roots): New function.
15005 (mark_ultrasparc_pipeline_state): Likewise.
15006 (override_options): Call sparc_add_gc_roots.
15007 * pa.c: Include ggc.h.
15008 (pa_add_gc_roots): New function.
15009 (mark_deferred_plabels): Likewise.
15010 (override_options): Call pa_add_gc_roots.
15011 * mips.c: Include ggc.h.
15012 (mips_add_gc_roots): New function.
15013 (override_options): Use it.
15015 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15017 * cpperror.c (cpp_file_line_for_message): Constify a char*.
15019 * cppexp.c (parse_number, parse_charconst, cpp_lex,
15020 cpp_parse_expr): Add static prototypes.
15021 (parse_charconst): Don't cast away const-ness.
15022 (token): Constify a char*.
15024 * cppfiles.c (file_name_list, include_hash, find_include_file,
15025 finclude, initialize_input_buffer): Constify a char*.
15026 (file_cleanup, find_position): Add static prototypes.
15028 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
15029 collect_expansion): Add static prototypes.
15030 (cpp_install, create_definition, monthnames): Constify a char*.
15032 * cpphash.h (cpp_install): Likewise.
15034 * cppinit.c (known_suffixes, default_include,
15035 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
15036 (base_name, dump_special_to_buffer, initialize_dependency_output):
15037 Add static prototypes.
15039 * cpplib.c (my_strerror): Constify a char*.
15040 (null_underflow, null_cleanup, skip_comment, copy_comment,
15041 copy_rest_of_line, handle_directive, pass_thru_directive,
15042 get_directive_token, read_line_number, cpp_print_file_and_line,
15043 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
15044 v_cpp_warning_with_line, detect_if_not_defined,
15045 consider_directive_while_skipping): Add static prototypes.
15046 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
15047 cpp_pedwarn_with_file_and_line): Constify a char*.
15049 * cpplib.h (cpp_options, include_hash, progname, definition,
15050 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
15051 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
15052 find_include_file, deps_output, include_hash): Constify a char*.
15054 * cppmain.c (progname): Constify.
15055 (main): Add prototype. Use return, not exit.
15057 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
15058 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
15059 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
15060 check_protection): Add static prototype.
15062 (progname, recognized_macrom, recognized_extern): Constify a char*.
15063 (main): Add prototype.
15065 * gen-protos.c (progname): Constify a char*.
15067 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
15069 * emit-rtl.c (free_emit_status): Take decl as a parameter.
15070 (init_emit_once): Add more GC roots.
15071 * except.c (mark_func_eh_entry): New function.
15072 (mark_eh_node): Mark false_label and rethrow_label.
15073 (init_eh): Add more GC roots.
15074 * function.c (free_after_compilation): Take decl as a paramter.
15075 Call free_stmt_status.
15076 (mark_function_state): Don't assume x_parm_reg_stack_loc is
15078 * function.h (free_after_compilation): Change prototype.
15079 (free_varasm_status): Likewise.
15080 (free_emit_status): Likewise.
15081 (free_stmt_status): New function.
15082 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
15083 Remove, replacing with ...
15084 (ggc_status): New structure.
15085 (ggc_chain): New variable.
15086 (init_gcc): Define.
15087 (ggc_push_context): New function.
15088 (ggc_pop_context): Likewise.
15089 (ggc_alloc_rtx): Adjust for use of ggc_chain.
15090 (ggc_alloc_rtvec): Likewise.
15091 (ggc_alloc_tree): Likewise.
15092 (ggc_alloc_string): Likewise.
15093 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
15094 (ggc_mark_tree): Give language-dependent code a chance to mark
15096 (ggc_mark_tree_varray): Handle empty arrays.
15097 (ggc_collect): Adjust for use of ggc_chain. Clear
15098 bytes_alloced_since_last_gc.
15099 * ggc.h (ggc_pop_context): New function.
15100 (ggc_push_context): Likewise.
15101 * print-tree.c (print_node): Don't print obstacks when GC'ing.
15102 * stmt.c (free_stmt_status): New function.
15103 (init_stmt_for_function): Clear last_expr_value.
15104 * toplev.c (rest_of_compilation): Always call free_after_compilation.
15105 Conditionalize call to ggc_collect.
15106 (main): Call init_ggc.
15107 * tree.c (push_obstacks): Do the push, even when GC'ing.
15108 (push_obstacks_nochange): Likewise.
15109 (pop_obstacks): Liekwise.
15110 * varasm.c (free_varasm_status): Take decl as a parameter.
15112 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
15114 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
15115 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
15116 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
15117 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
15119 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
15121 * pa/x-pa-mpeix: New file for the MPE port.
15123 * pa/quadlib.asm: New file for long double support.
15125 * configure.in: Add hppa1.0-*-mpeix for MPE port.
15126 * configure: Rebuilt.
15128 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
15130 * final.c (shorten_branches): Fix last change.
15132 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
15134 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
15136 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
15138 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
15141 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15143 * c-aux-info.c (concat): Don't define.
15145 * cccp.c (my_strerror): Likewise. All callers changed to use
15147 (do_include): Call xstrdup, not xmalloc/strcpy.
15148 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
15149 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
15151 * collect2.c (my_strsignal): Likewise. All callers changed to use
15153 (locatelib): Call xstrdup, not xmalloc/strcpy.
15155 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
15157 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
15159 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
15161 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
15163 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
15165 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
15167 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
15169 (find_all_handler_type_matches): Likewise. Don't check return
15171 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
15172 xmalloc, not malloc.
15173 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
15175 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
15176 (init_spec): Call xcalloc, not xmalloc/bzero.
15177 (set_spec): Call xstrdup, not save_string.
15178 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
15179 (find_a_file): Call xstrdup, not xmalloc/strcpy.
15180 (process_command): Call xstrdup, not save_string.
15181 (main): Call xcalloc, not xmalloc/bzero.
15183 * gcov.c (xmalloc): Don't define.
15184 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
15185 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
15186 (output_data): Call xcalloc, not xmalloc/bzero.
15188 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
15190 * mips-tdump.c (xmalloc): Don't define.
15191 (print_symbol): Call xmalloc, not malloc.
15192 (read_tfile): Call xcalloc, not calloc.
15194 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
15195 Don't define. All callers of xfree/my_strsignal changed to use
15196 free/strsignal instead.
15197 (allocate_cluster): Call xcalloc, not calloc.
15199 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
15200 Fix memory leak, free allocated memory.
15202 * prefix.c (translate_name): Call xstrdup, not save_string.
15203 (update_path): Likewise.
15205 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
15207 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
15208 Don't define. Callers of xfree/savestring2 changed to use
15209 free/concat instead.
15211 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
15212 (init_elim_table): Likewise.
15214 * resource.c (init_resource_info): Likewise.
15216 * stupid.c (stupid_life_analysis): Likewise.
15218 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
15219 (open_dump_file): Call concat, not xmalloc/strcpy/...
15220 (clean_dump_file): Likewise.
15221 (compile_file): Call xstrdup, not xmalloc/strcpy.
15223 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
15225 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
15226 * v850.c (v850_va_arg): New.
15228 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15230 * haifa-sched.c: Tidy comments.
15232 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15234 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
15235 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
15236 $(out_object_file)): Depend on ggc.h.
15237 * c-common.c: Include "ggc.h".
15238 (combine_strings): If doing GC, use ggc_alloc_string.
15239 * c-decl.c: Include "ggc.h".
15240 (ggc_p): Define with value 0.
15241 (mark_binding_level): New function.
15242 (init_decl_processing): Add GC roots.
15243 (mark_c_function_context): New function.
15244 (lang_mark_false_label_stack): New function.
15245 (lang_mark_tree): New function.
15246 (lang_cleanup_tree): New function.
15247 * c-lang.c: Include "ggc.h".
15248 (lang_init): Call c_parse_init.
15249 * c-lex.c: Include "ggc.h".
15250 (check_linenum): If doing GC, don't copy filenames to permanent
15252 * c-parse.in: Include "ggc.h".
15253 (c_parse_init): New function.
15254 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
15255 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
15257 * except.c (mark_eh_state): Mark more state.
15258 * function.c (mark_function_state): Likewise.
15259 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
15260 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
15261 * toplev.c (mark_file_stack): New function.
15262 (compile_file): If doing GC, use ggc_alloc_string on input filename.
15263 (main): Add root for input_file_stack.
15265 * i386.c: Include "ggc.h".
15266 (ix86_mark_machine_status): New function.
15267 (override_options): Set mark_machine_status.
15269 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15271 * tree.c (copy_node): Copy node contents also if doing GC.
15273 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
15275 * collect2.c (scan_libraries): Fix double-thinko :-).
15277 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
15279 * collect2.c (scan_libraries): Fix thinko.
15281 * cse.c (delete_trivially_dead_insns): Do not skip the last
15282 insn if it is a real insn.
15284 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
15286 * Makefile.in (ggc-simple.o): Depend on hash.h.
15287 * ggc.h (ggc_add_tree_hash_table_root): Declare.
15288 (ggc_mark_tree_varray): Likewise.
15289 (ggc_mark_tree_hash_table): Likewise.
15290 * ggc-simple.c: Include hash.h.
15291 (ggc_mark_tree_hash_table_ptr): New function.
15292 (ggc_mark_tree_hash_table_entry): Likewise.
15293 (ggc_mark_tree_hash_table): Likewise.
15294 (ggc_add_tree_hash_table_root): Likewise.
15295 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
15296 rtx, when defining fields.
15298 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
15300 * profile.c (output_func_start_profiler): Remove apparently
15301 nonsensical call to start_sequence.
15303 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
15305 * clipper/clipper.c (clipper_va_start): Fix typos.
15307 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
15308 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
15309 (spur_va_arg): New stub.
15311 * configure.in: Comment out pyramid.
15313 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
15315 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
15316 don't conflict with the bits that win32, cygwin, and dgux
15319 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
15320 Bernd Schmidt <bernds@cygnus.co.uk>
15322 * integrate.c (function_cannot_inline_p): Do not inline
15323 functions with forced labels.
15325 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
15326 Bernd Schmidt <bernds@cygnus.co.uk>
15327 Mark Mitchell <mark@codesourcery.com>
15329 * Makefile.in (ggc-simple.o): Depend on varray.h.
15330 (rtl.o): Depend on ggc.h.
15331 (genattrtab.o): Depend on ggc.h.
15332 (print-tree.o): Likewise.
15333 (fold-const.o): Likewise.
15334 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
15335 (make_insn_raw): Don't cache insns when GC'ing.
15336 (emit_insn_before): Likewise.
15337 (emit_insn_after): Likewise.
15338 (emit_insn): Likewise.
15339 (start_sequence): Use xmalloc to allocate the sequence_stack.
15340 (end_sequence): Add free to free it.
15341 (gen_sequence): Don't cache insns when GC'ing.
15342 (clear_emit_caches): Don't use sequence_element_free_list.
15343 (init_emit): Use xcalloc, not xmalloc+bzero.
15344 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
15345 * function.c (pop_function_context_from): Use free to free the
15346 fixup_var_refs_queue.
15347 (put_reg_into_stack): Allocate it with xmalloc.
15348 * genattrtab.c: Include ggc.h.
15349 (operate_exp): Don't use obstack_free when GC'ing.
15350 (simplify_cond): Likewise.
15351 (simplify_text_exp): Likewise.
15352 (optimize_attrs): Likewise.
15353 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
15355 (gencode): Generate a #include for ggc.h.
15356 * ggc-callbacks.c (ggc_p): Define it to zero.
15357 * ggc-none.c (ggc_p): Likewise.
15358 * ggc-simple.c: Include varray.h.
15359 (ggc_mark_tree_varray): New function.
15360 (ggc_add_tree_varray_root): Likewise.
15361 (ggc_mark_tree_varray_ptr): Likewise.
15362 * ggc.h (ggc_p): Declare.
15363 (varray_head_tag): Likewise.
15364 (ggc_add_tree_varray_root): Declare.
15365 * print-tree.c (print_node): Don't check for TREE_PERMANENT
15366 inconsistencies when GC'ing.
15367 * rtl.c: Include ggc.h.
15368 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
15369 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
15370 (rtx_free): Don't call obstack_free when GC'ing.
15371 * toplev.c (rest_of_compilation): Call ggc_collect after every
15373 * tree.c (push_obstacks): Do nothing, if GC'ing.
15374 (pop_obstacks_nochange): Likewise.
15375 (pop_obstacks): Likewise.
15376 (make_node): Use ggc_alloc_tree when GC'ing.
15377 (copy_node): Likewise.
15378 (get_identifier): Use ggc_alloc_string when GC'ing.
15379 (build_string): Likewise.
15380 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
15381 (tree_cons): Likewise.
15382 (build1): Likewise.
15383 (type_hash_canon): Don't call obstack_free when GC'ing.
15385 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
15387 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
15388 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
15390 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
15391 Bernd Schmidt <bernds@cygnus.co.uk>
15392 Mark Mitchell <mark@codesourcery.com>
15394 * Makefile.in (stor-layout.o): Depend on ggc.h.
15395 (expr.o): Depend on ggc.h.
15396 (profile.o): Depend on ggc.h.
15397 (stor-layout.o): Depend on ggc.h.
15398 * emit-rtl.c (init_emit_once): Add gc roots.
15399 * expr.c: Include ggc.h.
15400 (emit_block_move): Add gc roots.
15401 (clear_storage): Likewise.
15402 * expr.h (init_stor_layout_once): New function.
15403 * profile.c: Include ggc.h.
15404 (init_arc_profiler): profiler_label is a root.
15405 * scan.c (make_sstring_space): Trust xrealloc to function
15406 correctly with first parameter NULL.
15407 * stor-layout.c: Include ggc.h.
15408 (set_sizetype): Add gc root.
15409 (init_stor_layout_once): New function.
15410 * toplev.c (compile_file): Call it.
15412 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
15413 Bernd Schmidt <bernds@cygnus.co.uk>
15414 Mark Mitchell <mark@codesourcery.com>
15416 * Makefile.in (tree.o): Depend on ggc.h.
15417 (varasm.o): Likewise.
15418 (function.o): Likewise.
15419 (stmt.o): Likewise.
15420 (except.o): Likewise.
15421 (optabs.o): Likewise.
15422 (emit-rtl.o): Likewise.
15423 * emit-rtl.c: Include ggc.h.
15424 (sequence_element_free_list): Remove, and all references.
15425 (mark_sequence): New functions.
15426 (mark_emit_state): New function.
15427 * except.c: Include ggc.h.
15428 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
15429 (mark_tree_label_node): New functions.
15430 (mark_eh_state): New function.
15431 * function.c: Include ggc.h.
15432 (mark_temp_slot, mark_function_chain): New functions.
15433 (mark_function_state): New function.
15434 (init_function_once): New function.
15435 * function.h (init_function_once): New function.
15436 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
15437 * ggc.h (label_node): Declare.
15438 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
15439 (lang_mark_false_label_stack): New function.
15440 (mark_temp_slot): Remove declaration.
15441 (mark_function_chain): Likewise.
15442 (mark_eh_state): Adjust prototype.
15443 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
15445 * optabs.c: Include ggc.h.
15446 (mark_optab): New function.
15447 (init_optabs): Add gc roots.
15448 * stmt.c: Include ggc.h.
15449 (mark_cond_nesting, mark_loop_nesting): New functions.
15450 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
15451 (mark_stmt_state): New function.
15452 * toplev.c (compile_file): Call init_function_once.
15453 * tree.c: Include ggc.h.
15454 (type_hash): Move declaration earlier in file.
15455 (TYPE_HASH_SIZE, type_hash_table): Likewise.
15456 (init_obstacks): Add gc roots.
15457 (mark_type_hash): New function.
15458 * varasm.c: Include ggc.h.
15459 (mark_pool_constant): New function.
15460 (mark_varasm_state): New function.
15462 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15464 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
15466 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15468 * c-decl.c (struct language_function): Renamed from struct c_function.
15470 (c_function_chain): Delete.
15471 (push_c_function_context): New arg F. Don't warn about nested
15472 functions here. Fill LANGUAGE elt of F. Delete code to update
15473 c_function_chain. Don't call push_function_context.
15474 (pop_c_function_context): New arg F. Restore from there instead of
15475 from c_function_chain. Don't call pop_function_context. Clear out
15476 LANGUAGE field of F when done.
15477 * c-lang.c: Include "function.h"
15478 (lang_init): Initialize save_lang_status and restore_lang_status.
15479 * c-parse.in (nested_function, nested_function_notype): Warn about
15480 nested functions. Call push_function_context/pop_function_context
15481 instead of the _c_ variants.
15482 * c-tree.h (push_c_function_context, pop_c_function_context): Update
15484 * Makefile.in (c-lang.o): Update dependencies.
15486 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
15487 regno_pointer_flag, regno_pointer_align.
15488 (gen_reg_rtx): Use xrealloc to enlarge them.
15489 (free_emit_status): New function.
15490 * function.c (mark_machine_status, mark_lang_status): New variables.
15491 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
15492 in some bits from assign_stack_local. All callers changed to use new
15494 (assign_stack_local): Just call assign_stack_local_1.
15495 (free_after_compilation): New function.
15496 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
15497 (trampoline_address): Likewise.
15498 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
15499 (prepare_function_start): Explicitly clear some more variables.
15500 * function.h (struct function): New elt can_garbage_collect.
15501 (mark_machine_status, mark_lang_status): Declare variables.
15502 (free_after_compilation, free_emit_status, free_varasm_status,
15503 init_varasm_status): Declare functions.
15504 * toplev.c (rest_of_compilation): Call free_after_compilation when
15505 done with the current function.
15506 * varasm.c (free_varasm_status): New function.
15508 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
15510 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
15511 (EXPAND_BUILTIN_VA_ARG): Define.
15512 * sparc.c (sparc_va_start): New.
15513 (sparc_va_arg): New.
15515 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15517 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
15519 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15521 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
15523 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
15525 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
15526 (OBJS): Add $(GGC).
15527 (ggc-callbacks.o): New target.
15528 * ggc-callbacks.c: New file.
15530 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15532 * expr.h: Collapse individual optab and libfunc vars to arrays.
15533 (optab_index, libfunc_index): New enumerations.
15534 (optab_table, libfunc_table): New arrays.
15535 Add accessor macros for both.
15537 * optabs.c (optab_table, libfunc_table): New.
15538 Delete declarations for individual optab and libfunc vars.
15540 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
15542 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
15544 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
15546 * Makefile.in (GGC, GGC_LIB): New.
15547 (HOST_RTL): Include ggc-none.o.
15548 (ggc-simple.o): New target.
15549 (ggc-none.o): Likewise.
15550 * tree.h (tree_common): Add gc_mark.
15551 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
15552 (struct rtvec_def): Add gc_mark.
15553 * emit-rtl.c (global_rtl): Update static initializers to contain
15554 enough initializers.
15555 * ggc.h, ggc-none.c, ggc-simple.c: New files.
15556 * toplev.c (gc_time): New variable.
15557 (all_time): New variable.
15558 (compile_file): Print gc time.
15559 (print_time): Calculate percentage of the whole.
15561 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15563 Change obstack memory management and varasm constant pool handling so
15564 that nested functions are treated like any other functions.
15565 * function.c (init_machine_status): New variable.
15566 (push_function_context_to): Set contains_functions for the outer
15567 function. Don't call save_varasm_status.
15568 (pop_function_context_from): Don't call restore_varasm_status. Don't
15569 set current_function_contains_functions.
15570 (prepare_function_start): Call init_varasm_status rather than
15571 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
15573 * function.h (struct function) Add field varasm. Delete fields
15574 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
15575 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
15576 (init_machine_status): Declare.
15577 (save_varasm_status, restore_varasm_status): Delete declarations.
15578 (save_tree_status, restore_tree_status): Delete last argument.
15579 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
15580 code. All callers changed.
15581 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
15582 save_constants_in_decl_trees, restore_constants, save_constants,
15583 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
15585 (inlining): New variable.
15586 (reg_map, label_map, insn_map, orig_asm_operands_vector,
15587 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
15589 (save_for_inline_nocopy): Don't save constants.
15590 Don't set inl_emit field in current_function.
15591 (expand_inline_function): Use emit field, not inl_emit, of the inlined
15592 function. Set new variable inlining before
15593 calling copy_rtx_and_substitute.
15594 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
15595 constant pool references if inlining is nonzero.
15596 Delete ADDRESS and (most of the) CONST cases.
15597 (output_inline_function): Save and restore current_function/
15598 current_function_decl. Delete restore_constants code. Don't call
15599 init_const_rtx_hash_table.
15600 * output.h (init_const_rtx_hash_table): Don't declare.
15601 * rtl.h (struct function): Declare.
15602 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
15603 * toplev.c (rest_of_compilation): Don't treat nested functions or
15604 functions containing them specially. Delete all code to deal with
15605 save_for_inline_copying.
15606 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
15607 inline_obstacks): Delete variables.
15608 (save_tree_status): Lose arg CONTEXT. All callers changed.
15609 Simply allocate a new function_maybepermanent_obstack for the new
15610 function, delete all the special cases.
15611 Don't save inline_obstacks.
15612 (restore_tree_status): Lose arg CONTEXT. All callers changed.
15613 Delete special handling for function_maybepermanent_obstack; simply
15615 Don't restore inline_obstacks.
15616 (permanent_allocation): Delete code that frees inline_obstacks.
15617 (print_inline_obstack_statistics): Delete function.
15618 (dump_tree_statistics): Don't call it.
15619 * varasm.c (struct varasm_status): New.
15620 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
15621 last_pool, pool_offset, const_double_chain): Delete global
15622 variables, replace with accessor macros.
15623 (immed_double_const): Don't walk const_double_chain outside a
15624 function, but don't treat nested functions specially anymore.
15625 (immed_real_const_1): Likewise.
15626 (clear_const_double_mem): Don't treat nested functions specially.
15627 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
15628 (save_varasm_status, restore_varasm_status): Delete functions.
15629 (init_varasm_status): New function.
15630 (force_const_mem): Don't treat nested functions specially.
15631 (find_pool_constant): Accept new arg F, search for constants in
15632 that function's pool rather than the current one. All callers
15634 (get_pool_constant_for_function, get_pool_mode_for_function): New
15637 * i386.c (init_386_machine_status): New function, mostly from
15638 clear_386_stack_locals.
15639 (struct machine_functions): Rename element names to avoid name
15641 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
15642 macros, replacing global variables.
15643 (clear_386_stack_locals, save_386_machine_status,
15644 restore_386_machine_status): Delete functions.
15645 (override_options): Initialize init_machine_status.
15646 * i386.h (INIT_EXPANDERS): Delete macro.
15647 (save_386_machine_status, restore_386_machine_status,
15648 clear_386_stack_locals): Delete declarations.
15650 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15652 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
15653 (doloop_begin): Simplify pattern and use emit_jump_insn.
15654 (doloop_end): Simplify pattern, switch operand order,
15655 and use emit_jump_insn.
15657 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
15659 * function.h (struct function): Add new element LANGUAGE.
15660 (save_lang_status): Declare new variable.
15661 (restore_lang_status): Likewise.
15662 * function.c (save_lang_status): Define.
15663 (restore_lang_status): Likewise.
15664 (push_function_context_to): Call language-specific save function.
15665 (pop_function_context_from): Call language-specific restore function.
15667 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
15669 * i386.md (movsf_1): Check REG_P before use of REGNO.
15670 (movdf_1): Likewise.
15671 (movxf_1): Likewise.
15672 (extendsfdf2): Likewise.
15673 (extendsfxf2): Likewise.
15674 (extenddfxf2): Likewise.
15676 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15678 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
15679 constants into memory.
15680 (c4x_shiftable_constant): New function.
15681 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
15682 (c4x_shiftable_constant): Declare.
15683 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
15684 ashlqi3_noclobber): Add new patterns and associated splitters.
15686 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
15688 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
15689 * dwarf2out.c (dwarf2out_frame_init): Likewise.
15690 * final.c (shorten_branches): Likewise.
15691 * global.c (global_alloc): Likewise.
15692 * haifa-sched.c (build_control_flow): Likewise.
15693 * stmt.c (check_for_full_enumeration_handling): Likewise.
15694 (estimate_case_costs): Likewise.
15696 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
15698 * rtl.h (RTL_CHECKC2): Fix typo in last change.
15700 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
15702 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
15703 (recompute_reg_usage): Likewise.
15704 * rtlanal.c (find_regno_fusage): Likewise.
15706 * rtl.c (rtl_check_failed_code1): New function.
15707 (rtl_check_failed_code2): New.
15708 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
15709 (RTL_CHECKC1, RTL_CHECKC2): New.
15710 (XC*): New accessor macros.
15711 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
15712 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
15713 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
15714 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
15715 (TRAP_*, RANGE_INFO_*): Likewise.
15717 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15719 * Makefile.in (tlink.o): Don't depend on toplev.h.
15721 * collect2.c (c_file, o_file, export_file, import_file, ldout,
15722 output_file, nm_file_name, ldd_file_name, strip_file_name,
15723 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
15724 add_prefix, prefix_from_env, prefix_from_string, do_wait,
15725 fork_execute, maybe_unlink, add_to_list,
15726 extract_init_priority, write_list, dump_list,
15727 dump_prefix_list, write_list_with_asm, write_c_file,
15728 write_c_file_stat, write_c_file_glob, scan_prog_file,
15729 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
15730 ignore_library, extract_string, notice, dump_file, target_machine,
15731 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
15732 read_file, print_load_command): Constify a char*.
15733 (fdopen, error, fatal, fatal_perror): Don't prototype.
15734 (my_strerror): Remove. All callers use xstrerror instead.
15735 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
15736 (main): Add prototype. Constify lots of char* ptrs. Change calls
15737 to xcalloc/strcpy/strcat/... to one call to concat.
15738 (main, scan_prog_file, scan_libraries): Use an intermediate
15739 `const char **' to build an argv array.
15740 (mapfile, libselect, libcompare, locatelib): Add prototypes.
15742 * collect2.h (collect_execute, collect_wait, dump_file,
15743 file_exists): Constify a char*.
15744 (ldout, c_file_name, temporary_obstack, permanent_obstack,
15745 temporary_firstobj, vflag, debug): Add extern declarations.
15746 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
15748 * tlink.c: Don't include toplev.h.
15749 (vflag, debug, ldout, c_file_name, temporary_obstack,
15750 permanent_obstack, temporary_firstobj): Don't declare.
15751 (tlink_execute, frob_extension, symbol_hash_lookup,
15752 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
15753 recompile_files, read_repo_files, demangle_new_symbols,
15754 scan_linker_output): Constify a char*.
15755 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
15756 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
15758 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
15760 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
15761 (relative) rather than jsr (absolute) subroutine call insns.
15762 * config/m68k/m68k-coff.h: Ditto.
15764 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
15766 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
15767 now rework these too.
15768 (arm_reorg): If an insn can't reach the end of the current pool,
15769 ensure that we emit that pool before the insn.
15771 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
15773 * tlink.c (scan_linker_output): Skip the initial underscore in
15774 a mangled name if appropriate.
15776 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15778 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
15779 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
15780 error_with_ivar, gen_declarator, create_builtin_decl,
15781 my_build_string, generate_descriptor_table, generate_ivars_list,
15782 generate_dispatch_table, check_protocols, TAG_GETCLASS,
15783 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
15784 dump_base_name, lang_decode_option, build_encode_expr,
15785 start_class, finish_class, encode_pointer, really_start_method,
15786 gen_declaration, dump_interface, handle_class_ref, handle_impent):
15788 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
15789 Add static prototypes.
15790 (build_objc_string_decl, build_selector_reference_decl,
15791 encode_bitfield, build_class_reference_decl): Remove unused
15792 parameter, all callers changed.
15793 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
15794 (objc_printable_name): Likewise. Change second parameter to type int.
15795 (init_objc): Use memcpy, not bcopy, to avoid casts.
15797 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
15799 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
15800 reg notes on a deleted insn.
15801 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
15803 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
15805 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
15807 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15809 * stmt.c (expand_asm_operands): Fix index into inout_mode when
15812 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
15814 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
15815 * tm.texi (MD_ASM_CLOBBERS): Document it.
15817 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
15819 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
15820 * except.c (expand_rethrow): Remove unused variable.
15821 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
15822 * flow.c (replace_insns): Likewise.
15823 (create_edge_list, verify_edge_list): Likewise.
15824 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
15826 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
15827 is special code to run.
15828 (main): Don't define operands to emit_operand.
15829 * genrecog.c (main): Don't emit an empty peephole2_insn function.
15831 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
15833 * alpha/alpha.h (normal_memory_operand): Declare.
15834 (reg_no_subreg_operand): Declare.
15835 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
15837 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
15839 * c-parse.in (compstmt_primary_start): New, broken out of first
15840 part of compstmt handling in primary.
15841 (primary): Use it. Add an error clause.
15842 (compstmt_nostart): Renamed from compstmt; remove all
15843 initial invocations of compstmt_start.
15846 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
15848 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
15851 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
15853 * combine.c (simplify_shift_const): Remove extra semicolon.
15854 * dwarf2out.c (remove_AT): Likewise.
15855 * expmed.c (expand_mult): Likewise.
15856 * gcov.c (create_program_flow_graph): Likewise.
15857 * reorg.c (mostly_true_jump): Likewise.
15859 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
15861 * fold-const.c (fold_range_test): Do not try to fold the range
15862 test if the rhs or lhs has side effects.
15864 * combine.c (simplify_rtx): Recognize another case of a synthesized
15867 * varasm.c (mark_constant_pool): When marking indirect references,
15868 only look at SYMBOL_REFs.
15870 * except.c (expand_fixup_region_end): Do not peek at
15871 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
15873 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
15875 * flags.h: New variables align_loops, align_loops_log,
15876 align_jumps, align_jumps_log, align_labels, align_labels_log,
15877 align_functions, align_functions_log.
15878 * toplev.c: Define them.
15879 (f_options): Handle -falign-* when they have no argument.
15880 (main): Add logic to set variables for -falign-functions,
15881 -falign-jumps, -falign-labels, -falign-loops.
15882 Make it -fsched-verbose=<n> and -finline-limit=<n>.
15883 (display_help): Change help to match options.
15884 * final.c (LABEL_ALIGN): Default to align_labels_log.
15885 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
15886 (LOOP_ALIGN): Default to align_loops_log.
15887 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
15888 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
15889 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
15890 * varasm.c (assemble_start_function): Handle align_functions.
15892 * config/sparc/sparc.h: Don't declare sparc_align_*.
15893 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
15894 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
15896 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
15898 * config/sparc/sparc.c: Delete sparc_align_loops,
15899 sparc_align_jumps, sparc_align_funcs and the corresponding string
15901 (sparc_override_options): Default align_functions on ultrasparc.
15902 Delete -malign-* handling.
15904 * config/mips/mips.c (override_options): On 64-bit targets,
15905 try to align code to 64-bit boundaries.
15906 (print_operand): New substitution, %~,
15907 which aligns labels to align_labels_log.
15908 * config/mips/mips.md (div_trap_normal): Use %~.
15909 (div_trap_mips16): Likewise.
15911 (absdi2): Likewise.
15912 (ffssi2): Likewise.
15913 (ffsdi2): Likewise.
15914 (ashldi3_internal): Likewise.
15915 (ashrdi3_internal): Likewise.
15916 (lshrdi3_internal): Likewise.
15917 (casesi_internal): Likewise.
15919 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
15921 Merge new ia32 backend from the branch!
15923 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
15924 See ChangeLog.P2 on new_ia32_branch for details.
15926 * rtl.h (stack_regs_mentioned_p): Delete prototype.
15927 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
15928 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
15929 * i386/gas.h (ASM_FILE_START): Define.
15930 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
15931 for name change of ix86_valid_decl_attribute_p.
15932 (i386_pe_valid_type_attribute_p): Similarly.
15934 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
15936 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
15937 to step through CC modes.
15939 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15941 * regmove.c (fixup_match_1): Don't move INSN in front of P if
15942 it would end up in the shadow of a live flags regsiter.
15944 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15946 * reload1.c: Fix many indentation problems.
15947 * reload.c: Likewise.
15949 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
15951 * alias.c (non_local_reference_p): Constify fmt.
15953 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
15955 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
15957 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
15959 * cse.c (delete_trivially_dead_insns): Do not delete stores to
15960 the internal_arg_pointer.
15962 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
15964 Merge peephole2 from new_ia32_branch:
15965 * Makefile.in (STAGESTUFF): Add *.peephole2.
15966 (mostlyclean): Likewise.
15967 (recog.o): Depend on resource.h.
15969 * final.c (peephole): Conditionalize decl on HAVE_peephole.
15970 (final_scan_insn): Likewise for the invocation of peephole.
15971 * genconfig.c (main): Look for peephole and peephole2 patterns.
15972 Emit HAVE_peephole* accordingly.
15973 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
15974 * flags.h (flag_peephole2): Declare.
15975 * toplev.c: New pass peephole2. New flag -fpeephole2.
15977 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
15978 * gencodes.c (main): Likewise.
15979 * genextract.c (main): Likewise.
15980 * genoutput.c (main): Likewise.
15981 * genemit.c (max_operand_1): Look for the max scratch operand.
15982 (gen_rtx_scratch): New.
15983 (gen_exp): Use it, and pass on new arg subroutine_type.
15984 (gen_expand): Take max scratch into account.
15985 (gen_split): Emit peephole2 functions.
15986 (output_peephole2_scratch): New.
15987 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
15988 * genrecog.c (routine_type): Add PEEPHOLE2.
15990 (make_insn_sequence): Match outer parallel for peep2. Discard
15991 top level scratches and dups.
15992 (add_to_sequence): New args insn_type and top. Update all callers.
15993 Handle toplevel peep2 matching insns.
15994 (write_subroutine): Handle peep2.
15995 (write_tree_1): Likewise.
15996 (write_tree): Likewise.
15998 (change_state): New arg afterward. Update all callers.
15999 Handle matching separate insns.
16000 * recog.c (recog_next_insn): New.
16001 (peephole2_optimize): New.
16002 * rtl.def (DEFINE_PEEPHOLE2): New.
16003 * resource.c (find_free_register): New argument last_insn. Use it
16004 to find a register available through the entire span.
16005 * resource.h (find_free_register): Update prototype.
16007 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
16009 * i386.c (output_strlen_unroll): Don't write xops[7]
16010 label if it wasn't set.
16012 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
16014 * cpplib.c (struct directive): Const-ify name pointer and
16015 function pointer prototype.
16016 (validate_else, do_define, do_line, do_include, do_undef,
16017 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
16018 do_elif, do_endif, do_sccs, do_assert, do_unassert,
16019 do_warning): Const-ify second arg.
16020 (directive_table): Mark const. Reorder entries by frequency
16021 of usage, record statistics.
16023 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
16025 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
16026 bounds- check RTL accesses if --enable-checking.
16027 (RTVEC_ELT): Bounds check if --enable-checking.
16028 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
16029 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
16030 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
16032 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
16033 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
16035 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
16036 (NOTE_SOURCE_FILE): Use X0STR.
16037 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
16038 MEM_ALIAS_SET): Use X0INT.
16039 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
16040 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
16042 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
16043 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
16044 (rtl_check_failed_bounds, rtl_check_failed_type1,
16045 rtl_check_failed_type2, rtvec_check_failed_bounds): New
16047 (fancy_abort): Fix comment.
16049 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
16050 (cse_insn): Decrement LABEL_NUSES for jump target before
16051 deleting jump insn.
16052 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
16053 * final.c (alter_subreg): Compute regno before changing x to
16054 REG; set REGNO(x) after changing it.
16055 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
16056 notes containing CONST_INTs.
16057 (delete_eh_regions): Use NOTE_EH_HANDLER.
16058 * function.c (put_reg_into_stack): Make reg a MEM before
16060 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
16062 (gen_mem_addressof): Make reg a MEM before initializing it.
16063 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
16065 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
16066 deleting an insn, not after.
16067 (block_alloc): Only look at PATTERN(insn) if we have to, and
16068 only if it's format class 'i'.
16069 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
16070 CONST_INT before using its INTVAL.
16071 * print-rtl.c (print_rtx): Use X0STR.
16072 * regmove.c (fixup_match_1): Don't look at PATTERN of
16073 non-class-'i' insn chain elements.
16074 * reload.c (loc_mentioned_in_p): Take address of
16075 in->fld[1].rtx directly.
16076 * reload1.c (reload): Change reg to a MEM before initializing
16078 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
16080 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
16082 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
16084 * config/mips/mips.c (machine_dependent_reorg): Force a
16085 barrier to output the local constant pool if a barrier hasn't
16086 been found at a natural point in the instruction stream.
16088 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16090 * c-parse.in (language_string): Constify.
16092 * dwarf2out.c (language_string): Remove declaration.
16094 * dwarfout.c (language_string): Likewise.
16096 * toplev.c (language_string, init_parse, finish_parse): Likewise.
16098 * tree.h (language_string, init_parse, finish_parse): Declare.
16100 * i386/sun386.h (language_string): Remove declaration.
16102 * mips.h (language_string): Likewise.
16104 * nextstep.h (language_string): Likewise.
16106 * nextstep21.h (language_string): Likewise.
16108 * rs6000.c (language_string): Likewise.
16110 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16112 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
16113 (getpwd.o): Remove target.
16115 * getpwd.c: Delete file. Its in libiberty now.
16117 * dbxout.c (getpwd): Don't prototype.
16118 * dwarf2out.c (getpwd): Likewise
16119 * dwarfout.c (getpwd): Likewise
16120 * final.c (getpwd): Likewise.
16121 * protoize.c (getpwd): Likewise.
16123 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16125 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
16127 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
16129 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
16130 mark_set_resources.
16132 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
16134 * fixinc/Makefile.in (subdir): New.
16135 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
16138 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
16140 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
16141 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
16144 * invoke.texi: Fix typo.
16146 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
16147 changed. Handle autoincrement addressing modes.
16149 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
16150 just like we would the virtual incoming args register when
16153 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
16155 * rs6000.h (ASM_FILE_START): Specify complete filename, including
16156 path, in .file directive.
16158 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
16160 * gcc.texi (External Bugs): Remove obsolete note about Perl on
16163 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
16165 * stdbool.h: Make the typedef name _Bool, with bool a #defined
16168 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16170 * tree.c (tree_code_name): Constify a char*.
16172 * tree.h (tree_code_name, decl_printable_name): Likewise.
16174 * function.h (struct function): Likewise.
16176 * toplev.c (decl_name, decl_printable_name): Likewise.
16178 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
16180 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
16181 (init_objc): Remove function pointer cast.
16183 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
16185 * pa.md (interspace_jump): New pattern.
16186 (builtin_longjmp): New expander.
16188 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
16190 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
16191 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
16192 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
16194 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
16196 * jump.c (delete_prior_computation): Also check calls
16197 to constant functions. Don't bother checking for a
16198 REG_UNUSED note before adding it.
16199 (delete_computation): Handle multi-word hard registers
16200 when synthesizing missing REG_DEAD notes for a register
16201 which is both set and used by an insn.
16203 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16205 * loop.c (this_loop_info): New variable.
16206 (loop_has_call, loop_has_volatile, loop_has_tablejump,
16207 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
16209 (prescan_loop, strength_reduce): New argument loop_info. All callers
16211 (scan_loop): New variable loop_info, initialise to address of
16213 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
16214 Delete variable loop_has_multiple_exit targets and replace with
16215 field in this_loop_info.
16216 (find_and_verify_loops): Rename this_loop to this_loop_num.
16217 (strength_reduce): Delete loop_iteration_info. Replace variable
16218 loop_info with function argument of same name.
16219 (insert_bct): Rework test for loop being completely unrolled.
16221 * loop.h (struct loop_info): New fields num, loops_enclosed,
16222 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
16223 has_indirect_jump, and cont. Redefine use of unroll_number.
16224 (loop_unroll_number): Delete.
16226 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
16227 field of loop_info.
16228 (loop_iterations): Delete variable vtop and instead use
16229 loop_info->vtop computed in prescan_loop.
16231 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
16233 * fix-header.c (main): Do not pass a null pointer to strcmp.
16235 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
16237 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
16239 * configure: Rebuilt.
16241 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
16243 * jump.c (jump_optimize_1): Do not delete assignments to
16244 internal_arg_pointer.
16245 * cse.c (delete_trivially_dead_insns): Always consider a set of
16246 the internal_arg_pointer live.
16248 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
16250 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
16251 (update_life_info) [REG_WAS_0]: Search the original insns rather
16252 than the new insns for the note. Fix typos finding note_dest.
16253 If no dest found, discard the note rather than abort.
16254 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
16255 (replace_insns): Remove the old insn list after update_life_info
16258 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
16260 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
16261 sched_analyze_insn.
16262 (sched_analyze_1): Let add_dependence care for not adding dups.
16263 (sched_analyze_2): Likewise.
16264 (add_branch_dependences): Likewise.
16266 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
16268 * i386/winnt.c (export_list): New type.
16269 (exports_head): Rename to
16270 (export_head): this.
16271 (i386_pe_record_exported_symbol): Add is_data flag.
16272 (i386_pe_asm_file_end): Emit directive for exported variables.
16273 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
16275 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
16276 (ASM_DECLARE_OBJECT_NAME): Likewise.
16277 (ASM_DECLARE_FUNCTION_NAME): Likewise.
16278 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
16280 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
16282 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
16284 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
16287 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
16289 * config/openbsd.h: Define SET_ASM_OP.
16290 * tm.texi: cross-reference SET_ASM_OP in the index.
16292 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
16294 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
16295 for a CONST_DOUBLE, at compile time. Initialize rtx_length
16296 and class_narrowest_mode at compile time. Kill init_rtl.
16297 Mark rtx_length, mode_class, mode_size, mode_unit_size,
16298 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
16299 rtx_format as const. Kill all references to EXTRA_CC_MODES or
16301 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
16303 * rtl.h: Declare rtx_length and rtx_format as const.
16304 * machmode.def: Define CC(). Use CC() to define CCmode. If
16305 EXTRA_CC_MODES is defined, expand it here.
16306 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
16307 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
16308 const. Kill all references to EXTRA_CC_MODES.
16310 * toplev.c: Don't prototype or call init_rtl.
16311 * optabs.c: Don't call init_mov_optab.
16312 * genemit.c: Don't generate init_mov_optab. Don't call
16314 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
16316 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
16317 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
16318 genrecog.c: Don't call init_rtl.
16320 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
16321 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
16322 definition of EXTRA_CC_MODES.
16324 * md.texi: Kill ref to EXTRA_CC_NAMES.
16325 * tm.texi: Document new way to define EXTRA_CC_MODES.
16327 * genrecog.c: Do not look up the name of a define_split.
16328 (Unrelated bugfix.)
16330 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
16332 * config/v850/v850.md: Fix typo introduced by previous delta.
16334 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16336 * gcc.c (fatal): Make definition static to match prototype.
16338 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16340 * combine.c (get_last_value): Don't look for earlier sets if the last
16341 known set is somewhere in between the insns being combined.
16343 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
16345 * configure.in: Don't use shell ! to negate exit codes
16346 * configure: Regenerate
16348 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
16350 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
16351 the fact that ALIGN is measured in bits, not bytes.
16353 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
16355 * errors.c: New file; defines functions error, warning, and
16356 fatal, variables have_error and progname.
16357 * errors.h: New file; prototypes and decls for stuff in errors.c.
16359 * Makefile: Add rules to build errors.o and
16360 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
16361 genopinit, genrecog, genextract, genpeep, genattr, and
16362 genoutput with errors.o. Add errors.h to deps of genconfig.o,
16363 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
16364 genpeep.o, genattr.o, and genoutput.o.
16366 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
16367 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
16368 define or prototype fatal. Set progname at beginning of main.
16369 * genoutput.c: Likewise, and don't define or prototype error
16372 * c-typeck.c (c_expand_start_case): Return immediately if exp
16374 * fold-const.c (operand_equal_p): Return immediately if arg1
16375 or arg0 are ERROR_MARKs.
16376 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
16377 fields of type ERROR_MARK when calculating if the record can
16380 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
16381 with much help from Jeffrey A Law and Richard Henderson
16383 * i386.md: In the 6 insns which call output_fix_trunc,
16384 earlyclobber operands[0].
16386 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
16388 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
16389 creating new registers.
16391 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
16393 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
16394 i386_reg_alloc_order, i386_regparm_string,
16395 i386_align_loops_string, i386_align_jumps_string,
16396 i386_align_funcs_string, i386_preferred_stack_boundary_string,
16397 and i386_branch_cost_string as type "const char *".
16398 * i386.c: Define all above strings as type "const char *".
16400 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
16402 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
16403 when emitting alignment padding. Emit padding byte of 0 instead of 4.
16405 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
16407 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
16408 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
16410 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
16412 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
16413 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
16414 (dwarf2out_line, dwarf2out_finish): Likewise.
16415 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
16417 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16419 * tree.c (lang_unsave_expr_now) : Correct return type.
16420 * tree.h (lang_unsave_expr_now) : Same.
16422 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
16424 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
16425 instead of duplicating code.
16427 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16429 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
16431 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
16433 * tree.h: fancy_abort always takes three args.
16434 * resource.c: Move include of system.h before toplev.h.
16436 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
16438 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
16441 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
16443 * system.h: Don't redefine abort or trim_filename.
16444 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
16445 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
16446 whether or not __FUNCTION__ is available.
16447 * tree.h: Duplicate rtl.h's definition of abort, for files
16448 that don't include rtl.h. Delete all code to perform type
16449 checking with a compiler other than GCC.
16450 * varray.h: Delete all code to perform type checking with a
16451 compiler other than GCC. Make VARRAY_CHECK() always evaluate
16452 its arguments exactly once, using a statement expression.
16453 Adjust the VARRAY_<type> accessor macros to match.
16454 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
16455 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
16456 caller's location. Define fatal_insn and fatal_insn_not_found
16457 as macros that use _fatal_insn and _fatal_insn_not_found.
16458 (fancy_abort, trim_filename): Kill prototypes.
16460 * rtl.c (trim_filename): Move here from toplev.c.
16461 (fancy_abort): New function.
16462 (DIR_SEPARATOR): Provide default definition.
16463 * tree.c (tree_check_failed, tree_class_check_failed): Go
16464 through fancy_abort.
16465 (tree_check, tree_class_check, cst_or_constructor_check,
16466 expr_check): Delete.
16467 * varray.c (varray_check_failed): New function.
16468 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
16469 _fatal_insn and _fatal_insn_not_found. Go through
16471 (trim_filename, fancy_abort): Delete.
16473 * builtins.c (expand_builtin_args_info): Report ICE with abort.
16474 * except.c (start_catch_handler): Report ICE with error/abort
16476 * final.c (output_operand_lossage): Likewise.
16477 * flow.c (verify_flow_info): Likewise.
16479 * gcc.c: Prototype fatal.
16480 * gengenrtl.c: Undef abort after including rtl.h not system.h.
16481 * genattr.c, genattrtab.c, genemit.c, genextract.c,
16482 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
16483 Don't define fancy_abort.
16485 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
16487 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
16490 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
16492 * m88k.h (VERSION_INFO2): Kill.
16493 (VERSION_STRING): Kill.
16495 (VERSION_INFO1): Tidy.
16496 (TARGET_VERSION): Update.
16497 * m88k/dgux.h (VERSION_INFO2): Kill.
16498 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
16499 * m88k/luna.h (VERSION_INFO1): Tidy.
16500 * m88k/sysv4.h (VERSION_INFO1): Likewise.
16501 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
16502 (output_file_start): Adjust for death of VERSION_STRING.
16504 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
16506 * cpplib.c (detect_if_not_defined): New function.
16507 (do_if): Use it to detect potential once-only headers.
16509 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
16511 * c-common.c (combine_strings): Always set TREE_CONSTANT.
16513 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16515 * combine.c (nonzero_bits) : Allow single-ly set registers to be
16516 anywere in the function only if they are pseudos and set before
16517 being used (not live at the start of the function).
16518 (num_sign_bit_copies) : Same.
16519 (get_last_value_validate) : Same.
16520 (get_last_value) : Same.
16522 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
16524 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
16525 where N and M are constant and N is an integer multiple of M.
16527 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16529 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
16530 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
16531 sbitmap_union_of_preds): Add prototypes.
16532 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
16533 the intersection of successors with the new flow graph structures.
16534 (sbitmap_intersection_of_preds): New function to compute the
16535 intersection of predecessors with the new flow graph structures.
16536 (sbitmap_union_of_succs): New function to compute the union of
16537 successors with the new flow graph structures.
16538 (sbitmap_union_of_preds): New function to compute the union of
16539 predecessors with the new flow graph structures.
16540 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
16541 (expr_reaches_here_p): Use edge and basic_block structures instead
16542 of s_preds and s_succs.
16543 (compute_cprop_avinout): Use new sbitmap routines.
16544 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
16545 of s_preds and s_succs.
16546 * flow.c (compute_flow_dominators): Compute dominators using
16547 edges and basic blocks instead of s_preds and s_succs.
16549 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16551 * lists.c (unused_insn_list, unused_expr_list): New file for
16552 maintaining various types of lists. New statics for maintaining a
16553 cache of available INSN_LIST and EXPR_LIST nodes.
16554 (free_list): Static function for freeing a list of INSN/EXPR nodes.
16555 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
16556 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
16557 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
16558 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
16559 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
16560 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
16561 (free_INSN_LIST_node): Free an individual INSN_LIST node.
16562 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
16563 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
16564 (remove_dependence, free_pending_lists): Use new global routines.
16565 (flush_pending_lists, sched_analyze_insn): Use new global routines.
16566 (sched_analyze, compute_block_backward_dependences): Use new routines.
16567 (sched_analyze_1, sched_analyze_2): Use new routines.
16568 (schedule_insns): Use new global routines.
16569 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
16571 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
16572 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
16574 * toplev.c (rest_of_compilation): Initialize node cache.
16575 * Makefile.in (OBJS): Add lists.o to list of object files.
16576 (lists.o): Add dependancies.
16578 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
16580 * config/v850/v850.md: Fix compile time warning messages.
16581 * config/v850/v850.c: Fix compile time warning messages.
16582 * config/v850/v850.h: Fix compile time warning messages.
16584 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16586 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
16587 Remove unused prototype for `init_lengths'.
16589 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16591 * calls.c (emit_call_1): Mark parameter `stack_size' with
16593 (expand_call): Initialize variable `insn'.
16594 (emit_library_call): Likewise for variable `high_to_save'.
16595 (emit_library_call_value): Likewise.
16596 (store_one_arg): Likewise for variables `lower_bound' and
16599 * combine.c (try_combine): Likewise for variables `i2_code_number'
16600 and `other_code_number'.
16601 (find_split_point): Likewise for variables `pos', `unsignedp' and
16603 (simplify_if_then_else): Likewise for variables `op' and `c1'.
16604 (simplify_and_const_int): Remove unused variable `width'.
16605 (merge_outer_ops): Likewise.
16607 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
16608 HOST_WIDE_INT' when comparing against one.
16609 (simplify_relational_operation): Likewise.
16610 (cse_insn): Initialize variables `src_eqv_volatile',
16611 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
16613 * final.c (init_final): Constify parameter `filename'.
16614 (final_start_function): Mark parameter `optimize' with
16616 (profile_function): Likewise for parameters `first' and `optimize'.
16617 (output_source_line): Likewise for parameter `file'.
16619 * integrate.c (subst_constants): Cast a value to `size_t' when
16620 comparing against one.
16621 (mark_stores): Initialize variable `mode'. Cast a value to
16622 `size_t' when comparing against one.
16624 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
16626 * loop.c (move_movables): Initialize variable `first'.
16627 (strength_reduce): Likewise for variable `increment'.
16628 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
16629 value to `size_t' when comparing against one.
16630 (load_mems): Initialize variable `end_label'.
16632 * output.h (init_final): Constify parameter.
16634 * reload.c (decompose): Initialize variable `base'.
16636 * reload1.c (reload): Likewise for variable `is_scalar'.
16637 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
16638 (choose_reload_regs): Initialize variable `mode'.
16639 (emit_reload_insns): Likewise for variable `store_insn'.
16640 (reload_cse_noop_set_p): Mark parameter `insn' with
16642 (reload_combine): Initialize variable `set'.
16644 * unroll.c (unroll_loop): Likewise for variable `local_label'.
16645 (copy_loop_body): Cast a value to `size_t' when comparing against
16648 * varasm.c (assemble_variable): Initialize variable `size_tree'.
16649 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
16650 (remove_from_pending_weak_list): Mark parameter `name' with
16653 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16655 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
16658 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
16660 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
16661 (ASM_DECLARE_FUNCTION_NAME): Define.
16662 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
16663 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
16664 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
16665 not already defined.
16667 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
16669 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
16670 of n_popped when call/call_value are not defined.
16672 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
16674 * tm.texi: GNU CC -> GCC conversion.
16675 (CC1_SPEC): Indicate it is used for all language front ends.
16677 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
16679 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
16680 NOTE_INSN_EH_REGION_END correctly.
16682 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16683 Jeff Law <law@cygnus.com>
16685 * loop.c (strength_reduce): Automatically unroll loops if the
16686 unrolled loop size is smaller than the rolled loop size.
16688 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
16689 and delete comment that code should be rewritten.
16691 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
16693 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
16696 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
16698 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
16700 * fixinc/mkfixinc.sh: Don't fix uwin headers.
16701 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
16702 (LINK_SPEC): Add -u _main when building executables.
16703 (ASM_DECLARE_FUNCTION): Update from Cygwin.
16704 (ASM_FILE_END): Use the default for ix86-pe.
16705 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
16707 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
16709 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
16710 and ASM_CLOSE_PAREN are empty strings.
16712 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
16713 Geoffrey Keating <geoffk@cygnus.com>
16715 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
16716 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
16717 (unprotoize.o): Ditto.
16718 (test-protoize-simple): Don't define STD_PROTO_DIR.
16719 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
16720 changes to make 'test-protoize-simple' pass.
16721 (STD_PROTO_DIR): Remove define.
16722 (STANDARD_EXEC_PREFIX): Supply default define.
16723 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
16724 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
16725 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
16726 (GET_ENV_PATH_LIST): New macro.
16727 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
16728 (do_processing): Initialize default_syscalls_dir using new
16729 macros. Use it to initialize syscalls_absolute_filename.
16731 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
16733 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
16734 B into a register before emit_conditional_move.
16736 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
16738 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
16739 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
16740 multiplicand out of (+ (* a b) (* c d)).
16742 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
16743 Richard Henderson <rth@cygnus.com>
16745 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
16746 (new_insn_dead_notes): Likewise.
16747 (update_n_sets): Likewise.
16748 (update_flow_info): Move to flow.c, renamed to update_life_info;
16749 extend to handle multiple source insns.
16750 * flow.c: Include resource.h
16751 (unlink_insn_chain): New.
16752 (split_hard_reg_notes): New.
16753 (maybe_add_dead_note): New.
16754 (maybe_add_dead_note_use): New.
16755 (find_insn_with_note): New.
16756 (new_insn_dead_notes): New.
16757 (update_n_sets): New.
16758 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
16759 (maybe_remove_dead_notes): New.
16760 (update_life_info): New.
16761 (prepend_reg_notes): New.
16762 (replace_insns): New.
16763 * output.h (update_life_info): Declare.
16764 * recog.c (split_block_insns): Use update_life_info.
16765 * resource.c (find_free_register): Use reg_alloc_order, don't use
16766 fixed regs, make sure the mode is supported, don't use new regs.
16768 * rtl.h (replace_insns): Declare.
16770 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
16772 * expr.c (expand_expr): Cope with COND_EXPRs with one
16773 non-returning branch.
16775 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
16777 * expr.c (store_expr): Always pass down the target, even when not
16780 1999-08-24 Nick Clifton <nickc@cygnus.com>
16782 * configure.in: Define target_cpu_default for v850 targets.
16783 * configure: Regenerate
16785 * config/v850/v850.h (TARGET_CPU_generic): Define.
16786 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
16787 addresses are 4 byte aligned.
16789 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
16792 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16794 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
16795 (main): Add prototypes.
16797 * genattrtab.c (substitute_address, write_const_num_delay_slots,
16798 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
16799 (write_attr_get): Emit prototypes along with function definition.
16800 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
16801 (write_complex_function): Emit static prototype along with
16802 function definition.
16804 * genemit.c (gen_split): Emit prototypes along with function
16807 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
16808 Likewise for predicates and `insn_operand_predicate'.
16809 (process_template): Emit static prototype along with function
16812 * genrecog.c (make_insn_sequence): Constify a char*. Add
16813 prototypes for get_split_*().
16814 (write_subroutine): Emit prototypes along with function
16817 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16819 * gcse.c (find_avail_set): Follow chains of register-register copies.
16820 Use oprs_not_set_p to guarantee that the returned value can be
16822 (cprop_insn): Don't verify the return value of find_avail_set with
16825 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
16826 (cprop_cc0_jump): New function.
16827 (cprop_insn): Break out new function cprop_jump and use it.
16828 Also use cprop_cc0_jump for machines with CC0.
16829 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
16831 * tree.h (current_function_calls_setjmp,
16832 current_function_calls_longjmp): Delete declarations.
16833 * dsp16xx.c: Include "function.h".
16834 * elxsi.c: Likewise.
16835 * gmicro.c: Likewise.
16836 * h8300.c: Likewise.
16837 * i370.c: Likewise.
16838 * m32r.c: Likewise.
16839 * mn10200.c: Likewise.
16840 * mn10300.c: Likewise.
16841 * ns32k.c: Likewise.
16842 * spur.c: Likewise.
16843 * v850.c: Likewise.
16845 * rtl.h (rtx_equal_function_value_matters): Declare.
16846 * toplev.c (rtx_equal_function_value_matters): Don't declare.
16848 * function.c: Likewise.
16849 * emit-rtl.c: Likewise.
16851 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
16853 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
16856 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16858 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
16861 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
16863 * cpp.texi: Add a node documenting macro varargs (copied
16866 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
16868 * cppspec.c: Put a null pointer at the end of the new argv.
16870 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
16872 * configure.in: Remove code to select/de-select the haifa
16873 scheduler. Every scheduled port gets haifa now.
16874 * configure: Rebuilt.
16875 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
16877 * Makefile.in: Corresponding changes.
16879 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16881 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
16882 All callers changed.
16883 (prepare_float_lib_cmp): Likewise.
16884 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
16885 * expr.h (emit_float_lib_cmp): Delete declaration.
16886 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
16887 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
16888 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
16890 (cmptf): Now conditional on TARGET_HARD_QUAD.
16892 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
16894 * resource.c (mark_target_live_regs): Use
16895 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
16897 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16899 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
16901 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
16903 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
16905 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16907 * rtl.h (rtx_format): Constify a char*.
16909 * rtl.c (rtx_format): Likewise.
16910 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
16911 (init_rtl): Use accessor macro, not `rtx_format'.
16913 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
16916 * caller-save.c (mark_referenced_regs): Likewise.
16918 * combine.c (subst, make_compound_operation, known_cond,
16919 gen_rtx_combine, update_table_tick, get_last_value_validate,
16920 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
16922 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
16923 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
16924 count_reg_usage): Likewise.
16926 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
16929 * final.c (leaf_renumber_regs_insn): Likewise.
16931 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
16932 dump_edge_info, count_reg_references): Likewise.
16934 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
16935 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
16938 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
16939 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
16940 add_label_notes): Likewise.
16942 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
16943 clear_struct_flag, count_sub_rtxs, count_alternatives,
16944 compares_alternatives_p, contained_in_p, walk_attr_value,
16945 write_expr_attr_cache): Likewise.
16947 * genconfig.c (walk_insn_part): Likewise.
16949 * genemit.c (max_operand_1, gen_exp): Likewise.
16951 * genextract.c (walk_rtx): Likewise.
16953 * genflags.c (num_operands): Likewise.
16955 * genoutput.c (scan_operands): Likewise.
16957 * genpeep.c (match_rtx): Likewise.
16959 * genrecog.c (add_to_sequence): Likewise.
16961 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
16964 * integrate.c (save_constants, copy_for_inline,
16965 copy_rtx_and_substitute, subst_constants, restore_constants):
16968 * jump.c (mark_jump_label, invert_exp, redirect_exp,
16969 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
16971 * local-alloc.c (contains_replace_regs, memref_referenced_p):
16974 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
16975 add_label_notes, replace_call_address, count_nonfixed_reads,
16976 invariant_p, find_single_use_in_loop, find_mem_givs,
16977 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
16980 * print-rtl.c (reg_names, print_rtx): Likewise.
16982 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
16984 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
16985 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
16986 print_blocks): Likewise.
16988 * regclass.c (fix_register, record_address_regs,
16989 reg_scan_mark_refs): Likewise.
16991 * regmove.c (stable_but_for_p): Likewise.
16993 * reload.c (loc_mentioned_in_p, operands_match_p,
16994 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
16995 copy_replacements, refers_to_regno_for_reload_p,
16996 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
16997 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
17000 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
17001 delete_address_reloads_1, count_occurrences,
17002 reload_cse_mem_conflict_p, reload_combine_note_use,
17003 add_auto_inc_notes): Likewise.
17005 * resource.c (mark_referenced_resources, mark_set_resources):
17008 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
17009 reg_mentioned_p, regs_set_between_p, modified_between_p,
17010 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
17011 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
17012 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
17013 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
17015 * sched.c (sched_analyze_2, attach_deaths): Likewise.
17017 * stupid.c (stupid_mark_refs): Likewise.
17019 * unroll.c (remap_split_bivs): Likewise.
17021 * varasm.c (mark_constants): Likewise.
17023 * a29k/a29k.c (uses_local_reg_p): Likewise.
17025 * alpha/alpha.c (summarize_insn): Likewise.
17027 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
17028 eliminate_lr2ip): Likewise.
17030 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
17032 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
17033 reg_mentioned_in_mem): Likewise.
17035 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
17036 symbolic_reference_mentioned_p): Likewise.
17038 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
17040 * sh/sh.c (regs_used, mark_use): Likewise.
17042 * vax/vax.c (vax_rtx_cost): Likewise.
17044 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17046 * machmode.h (mode_name): Constify a char*.
17048 * rtl.c (mode_name): Likewise.
17050 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
17052 * optabs.c (init_libfuncs): Constify a char*.
17054 * print-tree.c (mode_name): Remove redundant declaration.
17055 (print_node): Use accessor macro, not `mode_name'.
17057 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
17059 (new_spill_reg): Constify a char*.
17061 * tree.c (mode_name): Remove redundant declaration.
17063 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17065 * rtl.c (rtx_name): Constify a char*.
17067 * rtl.h (rtx_name, fix_sched_param): Likewise.
17069 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
17070 (mypr): Use accessor macro, not `rtx_name'.
17072 * genemit.c (print_code): Constify a char*.
17074 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
17076 * genpeep.c (print_code): Constify a char*.
17078 * genrecog.c (print_code): Likewise.
17080 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
17081 end_bb): Add static prototype.
17082 (draw_edge): Constify a char*.
17083 (end_bb): Remove unused parameter.
17085 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
17086 print_block_visualization): Constify a char*.
17088 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
17090 * c-common.c (c_get_alias_set): Update comment.
17092 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17094 * linux.h (LIB_SPEC): Added.
17096 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17098 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
17100 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
17102 * tree.c (expr_check): Fix typo in last change.
17104 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
17106 * rtl.def (NOTE): Change format to "iuu0n".
17107 (ADDR_DIFF_VEC): Change format to "eEee0".
17108 (ADDRESSOF): Change format to "eit".
17110 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
17111 (RTVEC_ELT): Change to match.
17112 (XVECEXP): Use XVEC and RTVEC_ELT.
17113 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
17114 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
17115 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
17116 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
17117 TRAP_CONDITION, TRAP_CODE): Use XEXP.
17118 (INTVAL): Use XWINT.
17119 (ADDRESSOF_DECL): Use XTREE.
17120 (SET_ADDRESSOF_DECL): Delete.
17121 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
17122 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
17123 ifdefed out since 2.6 at least.
17124 (gen_rtvec_vv): Delete prototype.
17126 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
17128 (copy_most_rtx): Handle 't' format letter.
17129 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
17130 (gen_rtvec_vv): Delete function. All callers changed to use
17131 gen_rtvec_v instead.
17132 * print-rtl.c (print_rtx): Move special casing of NOTEs to
17133 the '0' format letter.
17135 * function.c (gen_mem_addressof): Don't use
17136 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
17138 * integrate.c (copy_rtx_and_substitute): Likewise.
17139 Copy 't' slots with XTREE.
17140 (subst_constants): Treat 't' slots like '[swi]' slots.
17141 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
17142 * jump.c (rtx_equal_for_thread_p): Likewise.
17143 * rtlanal.c (rtx_equal_p): Likewise.
17144 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
17145 only four arguments.
17146 * gengenrtl.c (type_from_format): Provide correct types for
17150 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
17151 If a recent gcc is in use (always in stage2 and beyond), use
17152 statement expressions, so we don't make a function call unless
17153 the check fails. Evaluate arguments exactly once.
17154 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
17155 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
17157 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
17158 they evaluate their arguments exactly once, irrespective of
17159 the compiler in use.
17161 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
17162 is used by the currently-enabled check macros. This is:
17163 (tree_check_failed, tree_class_check_failed): For gcc.
17164 (tree_check, tree_class_check, cst_or_constructor_check,
17165 expr_check): For other compilers.
17167 * gencheck.c: Do not define any *_CHECK1 macros.
17169 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
17170 Mark Mitchell <mark@codesourcery.com>
17172 * c-common.c (c_get_alias_set): Fix support for poitners and
17175 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
17177 * alias.c: Include tree.h.
17178 (nonlocal_reference_p, mark_constant_function): New functions.
17179 * flow.c (life_analysis): Call mark_constant_function.
17180 * rtl.h (mark_constant_function): Declare it.
17182 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
17184 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
17185 unrecognisable switches.
17187 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17189 * loop.c (recombine_givs): Set ix field after sorting.
17190 (recombine_givs): Remove bogus index / giv lockstep looping.
17192 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17194 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
17196 (emit_store_flag_force): Use do_compare_rtx_and_jump.
17197 (do_cmp_and_jump): Formatting fixes.
17198 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
17199 do_compare_rtx_and_jump instead of compare_from_rtx.
17200 (do_compare_rtx_and_jump): New function; mostly copied from
17202 (do_jump_for_compare): Delete.
17203 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
17205 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
17206 of compare/do_jump_for_compare pairs.
17207 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
17208 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
17209 compare_from_rtx/do_jump_for_compare pairs.
17210 (do_jump_by_parts_equality): Likewise.
17211 (do_jump_by_parts_equality_rtx): Likewise.
17212 * expr.h (do_compare_rtx_and_jump): Declare.
17213 * optabs.c (prepare_cmp_insn): New function, contains most of the code
17214 that used to be in emit_cmp_insn.
17215 (cmp_available_p): New function.
17216 (prepare_operand): New function.
17217 (emit_cmp_and_jump_insn_1): New function, contains some code that used
17218 to be in emit_cmp_insn.
17219 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
17220 parameters to be pointers; don't emit final compare but modify some of
17221 the values pointed to by the args so the caller can perform the
17222 correct comparison.
17223 (expand_binop): Call emit_store_flag_force with signed forms of
17225 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
17226 emit_jump_insn pair.
17227 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
17228 emit_cmp_and_jump_insn_1. Call emit_queue.
17229 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
17231 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
17232 jump sets cc0 before deleting it.
17233 * integrate.c (expand_inline_function): Likewise.
17234 * unroll.c (unroll_loop): Similar changes in several places.
17235 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
17236 before deleting it.
17238 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17240 * Makefile.in (insn-recog.o): Update dependencies.
17241 * genrecog.c (main): Make generated file include "function.h".
17243 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
17245 * cse.c (cse_insn): Call never_reached_warning when a jump is
17246 changed to be unconditional.
17247 * flags.h: Declare warn_notreached.
17248 * flow.c (delete_block): Call never_reached_warning when
17249 a block is deleted.
17250 * jump.c (delete_barrier_successors): Call never_reached_warning
17251 when we delete everything after a BARRIER.
17252 (never_reached_warning): New function.
17253 * rtl.h: Declare never_reached_warning.
17254 * toplev.c (warn_notreached): New variable.
17255 (lang_independent_options): Set warn_notreached
17256 when -Wunreachable-code.
17257 (compile_file): We need line numbers for -Wunreachable-code.
17259 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
17261 * haifa-sched.c (insn_unit): Fix typo on out of range test.
17262 * sched.c (insn_unit): Likewise.
17264 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
17266 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
17268 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17270 * flow.c (create_edge_list): Use xmalloc, not malloc.
17272 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
17274 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
17275 C-style comments. Do not lose the character before double slash.
17277 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17279 * basic-block.h (struct edge_list): Stucture to maintain a vector
17281 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
17282 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
17283 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
17284 New function prototypes.
17285 * flow.c (create_edge_list): Function to create an edge list.
17286 (free_edge_list): Discards memory used by an edge list.
17287 (print_edge_list): Debug output showing an edge list.
17288 (verify_edge_list): Internal consistency check for an edge list.
17289 (find_edge_index): Function to find an edge index for a pred and succ.
17291 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
17293 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
17296 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
17298 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
17300 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17302 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
17304 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
17306 * toplev.c (rest_of_compilation): Allow machine dependent
17307 reorganisation pass to place information into the RTL dump
17308 file if it so wishes.
17310 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
17312 * explow.c (hard_function_value): Use VOIDmode instead of
17314 * stmt.c (expand_return): Likewise.
17315 * stor-layout.c (get_best_mode): Likewise.
17317 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
17318 emit call instead of emit_insn call.
17320 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
17322 * configure.in: Handle --disable/enable-win32-registry.
17323 * install.texi: Document --disable/enable-win32-registry.
17324 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
17325 (WIN32_REGISTRY_KEY): New macro.
17326 * prefix.c: Use to enable/disable win32-specific code.
17327 (lookup_key): Use versioned key.
17328 * configure: Regenerate.
17329 * config.in: Likewise.
17331 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
17333 * cpplib.c (read_line_number): New fn, split out of...
17336 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17338 tree.c (lang_unsave_expr_now) : New.
17339 (unsave_expr_now): Call lang_unsave_expr_now.
17340 tree.h (lang_unsave_expr_now) : New.
17342 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
17344 * toplev.c (flag_new_exceptions): On by default.
17346 1999-08-13 Michael Meissner <meissner@cygnus.com>
17348 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
17350 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17352 * dwarfout.c (fundamental_type_code): Return FT_boolean for
17353 INTEGER_TYPE with precision==1, it's __java_boolean.
17355 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17357 * global.c (prune_preferences): Move some invariants out of the
17360 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
17362 * configure.in (alpha*-dec-osf*): Add osf5.
17364 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
17366 * configure.in: Rework handling of ARM GNU/Linux slightly.
17367 (arm*-*-linux-gnuoldld): New target.
17368 * configure: Regenerate.
17369 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
17370 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
17371 * config/arm/linux-oldld.h: New file.
17372 * config/arm/linux-elf26.h: Don't include linux-elf.h.
17373 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
17375 * config/arm/linux-elf.h (ASM_SPEC): Define.
17376 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
17377 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
17378 for 26-bit APCS and old linker.
17379 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
17381 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
17382 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
17383 don't define `arm' or `arm_elf'.
17384 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
17385 MULTILIB_DIRNAMES): Define. Fix typo in comment.
17387 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
17389 * rtl.texi: Fix typo.
17391 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
17393 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
17395 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
17397 * extend.texi (C++ Signatures): Remove node.
17398 * invoke.texi: Remove discussion of -fhandle-signatures,
17399 signature, sigof, __signature__, and __sigof__.
17401 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
17403 * Makefile.in (JAVAGC): Removed.
17405 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
17407 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17409 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
17411 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17413 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
17415 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
17416 a register that is already known to be a pointer.
17418 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
17420 * fixinc/inclhack.tpl: Only install assert.h conditionally.
17421 * fixinc/inclhack.sh: Regenerated.
17422 * fixinc/fixincl.sh: Regenerated.
17424 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
17426 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
17427 Fix documentation of -ansi flag to describe its C++ behavior.
17428 Remove bogus reference to GCC 2.9.
17430 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
17432 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
17433 note if it is non-NULL.
17435 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17437 * except.h (eh_nesting_info): Add new structure defintion.
17438 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
17439 (reachable_handlers, update_rethrow_references): Add function
17441 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
17442 a rethrow symbol instead of an integer exception region number.
17443 * flow.c (Make_edges): Use new exception nesting routines to determine
17444 which handlers are reachable from a CALL or asynchronous insn.
17445 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
17447 (delete_eh_regions): Update rethrow labels, and don't delete
17448 regions which are the target of a rethrow.
17449 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
17450 avoid overloading the SYMBOL_REF_USED flag.
17451 (rethrow_symbol_map): Use new rethrow_ref field.
17452 (rethrow_used): Use new rethrow_ref field.
17453 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
17454 of an integer. Fix formatting.
17455 (output_exception_table_entry): Use new rethrow_ref field.
17456 (can_throw): Check for EH_REGION_NOTE before deciding
17457 whether a CALL can throw or not.
17458 (scan_region): Call rethrow_used() instead of accessing data structure.
17459 (update_rethrow_references): New function to make sure only regions
17460 which are still targets of a rethrow are flagged as such.
17461 (process_nestinfo): New static function to initialize a handler
17462 list for a specific region.
17463 (init_eh_nesting_info): New function to allocate and initialize
17464 the list of all EH handlers reachable from all regions.
17465 (reachable_handlers): New function to retrieve the list of handlers
17466 reachable from a specific region and insn.
17467 (free_eh_nesting_info): New function to dispose of a list of
17468 reachable handlers.
17470 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17472 * flow.c (split_edge): Set JUMP_LABEL field.
17473 (commit_one_edge_insertion): Set head correctly for insert_before.
17474 When inserting insns, update insn block numbers if allocated.
17476 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17478 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
17479 retry_incomplete_types): Add static prototype.
17480 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
17481 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
17482 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
17483 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
17484 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
17487 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
17488 dwarf2out_start_source_file, dwarf2out_line): Likewise.
17490 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17492 * output.h (assemble_name): Constify a char*.
17494 * varasm.c (UNIQUE_SECTION, assemble_start_function,
17495 assemble_variable, assemble_name): Likewise.
17497 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
17499 * arm/pe.c (arm_pe_unique_section): Likewise.
17501 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
17503 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
17505 * i386/interix.c (i386_pe_unique_section): Likewise.
17507 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
17509 * i386/winnt.c (i386_pe_unique_section): Likewise.
17511 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
17513 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
17515 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
17517 * pa/pa.c (output_call): Likewise.
17519 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
17521 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
17523 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
17526 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
17529 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
17531 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
17532 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
17534 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
17536 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17538 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
17540 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17542 * tree.h (lang_identify): Constify a char*.
17543 (print_error_function): Add extern prototype. Constify a char*.
17545 * c-lang.c (lang_identify): Constify a char*.
17547 * objc/objc-act.c (lang_identify): Constify a char*.
17549 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17551 * genpeep.c (main): Make generated file include "function.h".
17552 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
17554 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17556 * Makefile.in: Update dependencies.
17557 * alias.c: Include "function.h"
17558 * c-decl.c: Likewise.
17559 * caller-save.c: Likewise.
17560 * calls.c: Likewise.
17561 * combine.c: Likewise.
17563 * explow.c: Likewise.
17564 * final.c: Likewise.
17565 * global.c: Likewise.
17566 * graph.c: Likewise.
17567 * local-alloc.c: Likewise.
17568 * loop.c: Likewise.
17569 * optabs.c: Likewise.
17570 * profile.c: Likewise.
17571 * recog.c: Likewise.
17572 * regclass.c: Likewise.
17573 * regmove.c: Likewise.
17574 * reload.c: Likewise.
17575 * reorg.c: Likewise.
17576 * resource.c: Likewise.
17577 * sched.c: Likewise.
17578 * stupid.c: Likewise.
17579 * config/1750a/1750a.c: Likewise.
17580 * config/a29k/a29k.c: Likewise.
17581 * config/arc/arc.c: Likewise.
17582 * config/arm/arm.c: Likewise.
17583 * config/arm/thumb.c: Likewise.
17584 * config/c4x/c4x.c: Likewise.
17585 * config/clipper/clipper.c: Likewise.
17586 * config/convex/convex.c: Likewise.
17587 * config/fx80/fx80.c: Likewise.
17588 * config/i860/i860.c: Likewise.
17589 * config/m68k/m68k.c: Likewise.
17590 * config/m88k/m88k.c: Likewise.
17591 * config/mips/mips.c: Likewise.
17592 * config/pdp11/pdp11.c: Likewise.
17593 * config/pyr/pyr.c: Likewise.
17594 * config/romp/romp.c: Likewise.
17595 * config/sh/sh.c: Likewise.
17596 * config/tahoe/tahoe.c: Likewise.
17597 * config/vax/vax.c: Likewise.
17598 * config/we32k/we32k.c: Likewise.
17599 * config/sparc/sparc.c: Include "function.h".
17600 (mem_min_alignment): Test current_function rather than
17601 regno_pointer_align.
17602 * config/pa/pa.c: Likewise.
17603 (compute_frame_size): Delete declaration of
17604 current_function_outgoing_args_size.
17605 * config/arc/arc.h (current_function_varargs): Delete declaration.
17606 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
17608 * config/i370/i370.h (current_function_outgoing_args_size): Delete
17610 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
17611 current_function_uses_pic_offset_table.
17612 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
17613 of current_function_returns_pointer.
17614 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17615 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17616 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17617 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17618 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17619 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17620 * config/m88k/m88k.c: Include "function.h"
17621 (call_used_regs, current_function_pretend_args_size,
17622 current_function_outgoing_args_size, frame_pointer_needed): Delete
17624 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
17626 * config/mips/mips.h (current_function_calls_alloca): Delete
17628 * config/mn10200/mn10200.h (current_function_needs_context,
17629 rtx_equal_function_value_matters): Delete declarations.
17630 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
17631 flag_pic): Delete declarations.
17632 * config/pa/pa.h (current_function_pretend_args_size,
17633 current_function_decl): Delete declarations.
17634 * config/pa/som.h (current_function_varargs): Delete declaration.
17635 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
17637 * config/pyr/pyr.h (current_function_pretend_args_size,
17638 current_function_args_size, current_function_calls_alloca): Delete
17640 * config/sh/sh.h (current_function_varargs): Delete declaration.
17641 * config/sparc/sparc.h (current_function_outgoing_args_size,
17642 current_function_calls_alloca, current_function_decl): Delete
17644 * config/spur/spur.h (current_function_pretend_args_size,
17645 current_function_calls_alloca): Delete declarations.
17646 * config/v850/v850.c (current_function_outgoing_args_size): Delete
17648 * config/vax/vms.h (current_function_name): Delete declaration.
17649 * gcse.c: Include "function.h".
17650 (current_function_name, current_function_calls_setjmp): Delete
17652 * haifa-sched.c: Include "function.h".
17653 (forced_labels): Delete declaration.
17654 * jump.c: Likewise.
17655 * reg-stack.c: Likewise.
17656 * reload1.c: Likewise.
17657 * genemit.c (main): Make generated file include function.h.
17658 * genoutput.c (output_prologue): Likewise.
17660 * builtins.c (saveregs_value, apply_args_value): Delete variables.
17661 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
17662 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
17663 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
17664 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
17665 macros for some of them.
17666 (emit_filename, emit_lineno): Delete declarations.
17667 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
17668 regno_pointer_* variables through current_function.
17669 (gen_inline_header_rtx): Delete function.
17670 (save_emit_status): Delete function.
17671 (set_new_last_label_num): New function.
17672 (clear_emit_caches): New function.
17673 (restore_emit_status): Just clear last_labelnum and call
17675 (get_last_insn_anywhere): Variable sequence_stack is now accessed
17676 through macro seq_stack.
17677 (add_insn_after): Likewise.
17678 (add_insn_before): Likewise.
17679 (remove_insn): Likewise.
17680 (pop_topmost_sequence): Likewise.
17681 (in_sequence_p): Likewise.
17682 (start_sequence_for_rtl_expr): Likewise.
17683 (start_sequence): Likewise, and likewise for
17684 sequence_rtl_expr/seq_rtl_expr.
17685 (push_topmost_sequence): Likewise.
17686 (end_sequence): Likewise.
17687 (init_virtual_regs): Now takes a "struct emit_status *" argument.
17688 All callers changed. Store into that pointer instead of globals.
17689 (init_emit): Allocate emit elt of current_function.
17690 Changes for sequence_rtl_expr/sequence_stack renaming.
17691 Call clear_emit_caches instead of doing it in-line.
17692 Access regno_pointer_* variables through current_function.
17693 (init_emit_once) Don't clear sequence_stack.
17695 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
17697 (arg_pointer_save_area): Delete declaration.
17698 (finish_expr_for_function): Renamed from init_queue; no longer static.
17699 (init_expr): Don't call init_queue.
17700 (save_expr_status, restore_expr_status): Delete functions.
17701 (expand_expr): Changes to reflect new layout of struct function.
17702 Don't access current_function_check_memory_usage when current_function
17704 * expr.h (forced_labels, save_expr_regs, saveregs_value,
17705 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
17706 current_function_outgoing_args_size, current_function_arg_offset_rtx,
17707 current_function_uses_const_pool, function_call_count,
17708 current_function_uses_pic_offset_table, nonlocal_labels,
17709 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
17710 current_function_check_memory_usage, nonlocal_goto_handler_slots,
17711 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
17713 (finish_expr_for_function): Declare.
17714 * flags.h (current_function_has_nonlocal_label,
17715 current_function_has_nonlocal_goto, current_function_is_thunk,
17716 current_function_has_computed_jump): Delete declarations.
17717 * flow.c (forced_labels): Delete declaration.
17718 * function.c (current_function_pops_args,
17719 current_function_returns_struct, current_function_returns_pcc_struct,
17720 current_function_needs_context, current_function_calls_setjmp,
17721 current_function_calls_longjmp, current_function_has_nonlocal_label,
17722 current_function_has_nonlocal_goto, current_function_is_thunk,
17723 current_function_has_computed_jump, current_function_calls_alloca,
17724 current_function_contains_functions, current_function_returns_pointer,
17725 current_function_epilogue_delay_list, current_function_args_size,
17726 current_function_pretend_args_size, current_function_arg_offset_rtx,
17727 current_function_outgoing_args_size, current_function_varargs,
17728 current_function_stdarg, current_function_args_info, cleanup_label,
17729 current_function_name, current_function_uses_const_pool,
17730 current_function_instrument_entry_exit, current_function_return_rtx,
17731 current_function_uses_pic_offset_table, nonlocal_labels,
17732 current_function_internal_arg_pointer, current_function_cannot_inline,
17733 current_function_check_memory_usage, function_call_count,
17734 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
17735 nonlocal_goto_stack_level, return_label, save_expr_regs,
17736 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
17737 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
17738 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
17739 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
17740 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
17742 (push_function_context_to): Don't save them. Don't call
17743 save_storage_status, save_emit_status or save_expr_status.
17744 (pop_function_context_from): Don't restore them. Don't call
17745 restore_storage_status or restore_expr_status.
17746 (get_func_frame_size): New function.
17747 (get_frame_size): Use it.
17748 (assign_outer_stack_local): Reflect some member name changes in struct
17750 (put_reg_into_stack): Likewise.
17751 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
17753 (fixup_var_refs): Likewise.
17754 (fix_lexical_addr): Likewise.
17755 (trampoline_address): Likewise.
17756 (prepare_function_start): Clear field inlinable of current_function.
17757 (init_function_for_compilation): New function.
17758 (expand_dummy_function_end): New function.
17759 (expand_function_end): Call finish_expr_for_function.
17760 * function.h (struct emit_status): New; fields moved here from struct
17761 function and from global variables. Add accessor macros for some of
17763 (struct expr_status): Likewise.
17764 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
17765 (struct function): Add fields expr and emit, inlinable, inl_emit,
17766 original_arg_vector, original_decl_initial, inl_last_parm_insn,
17767 inl_max_label_num. Add many comments.
17768 Add accessor macros for all elts of struct function that no longer
17769 have a global variable.
17770 (cleanup_label, return_label, frame_offset, tail_recursion_label,
17771 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
17772 stack_slot_list): Delete declarations.
17773 (get_func_frame_size): Declare.
17774 (save_expr_status, restore_expr_status, save_emit_status,
17775 save_storage_status, restore_storage_status): Delete declarations.
17776 (init_virtual_regs): Declare.
17777 * output.h (current_function_pops_args,
17778 current_function_returns_struct, current_function_returns_pcc_struct,
17779 current_function_needs_context, current_function_calls_setjmp,
17780 current_function_calls_longjmp, current_function_calls_alloca,
17781 current_function_has_nonlocal_label, current_function_varargs,
17782 current_function_has_computed_jump, current_function_returns_pointer,
17783 current_function_contains_functions, current_function_args_size,
17784 current_function_pretend_args_size, current_function_stdarg,
17785 current_function_outgoing_args_size, current_function_args_info,
17786 current_function_name, current_function_return_rtx,
17787 current_function_epilogue_delay_list,
17788 current_function_uses_const_pool, current_function_cannot_inline):
17789 Delete declarations.
17790 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
17791 regno_reg_rtx): Delete declaration.
17792 (REGNO_POINTER_FLAG): Delete macro.
17793 * stmt.c (expand_goto): Changes to reflect that some fields in struct
17794 function were renamed.
17795 * stor-layout.c (save_storage_status, restore_storage_status): Delete
17797 * toplev.c: Include "function.h".
17798 (current_function_decl): Delete declaration.
17799 (compile_file): Call init_dummy_function_start and
17800 expand_dummy_function_end around some initializations that need to
17802 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
17803 Call init_function_for_compilation.
17804 * unroll.c: Include "function.h"
17805 (unroll_loop): Access regno_pointer_* variables through
17808 * tree.h (struct tree_decl): Add elt f to saved_insns member.
17809 (DECL_SAVED_INSNS): use it.
17810 (expand_dummy_function_end): Declare.
17811 (init_function_for_compilation): Declare.
17812 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
17813 that it's no longer an INLINE_HEADER.
17814 (expand_call): Likewise.
17815 * integrate.c (finish_inline): Delete function.
17816 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
17817 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
17818 args. Don't generate an INLINE_HEADER rtx, just return the arg
17819 vector. All callers changed.
17820 (save_for_inline_copying): Create a duplicate struct emit_status to
17821 hold the emit state for compiling the current function. Use this and
17822 the other new fields in struct function that are for integration
17823 instead of an INLINE_HEADER.
17824 Use memcpy instead of bcopy.
17825 Store the current struct function in DECL_SAVED_INSNS of fndecl.
17826 (save_for_inline_nocopy): Similar changes, except no new emit_status
17828 (expand_inline_function): Get information from function structure,
17829 not from an inline header rtx.
17830 (output_inline_function): Lose code to extract the necessary
17831 information from an inline header; simply put back the function
17832 structure into current_function. Clear its inlinable elt.
17833 * rtl.def (INLINE_HEADER): Delete.
17834 * rtl.h: Delete all accessors for an INLINE_HEADER.
17835 (gen_inline_header_rtx): Delete declaration.
17836 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
17837 Delete declarations.
17838 (REGNO_POINTER_ALIGN): Delete.
17839 (clear_emit_caches): Declare.
17840 (set_new_last_label_num): Declare.
17842 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
17844 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
17846 * except.c (expand_eh_region_start_for_decl): Always start a new block.
17847 * stmt.c (is_eh_region): Make sure current_function is present, too.
17849 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
17851 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
17852 for 64bit PA targets.
17854 * pa.h (SELECT_SECTION): Define.
17855 * som.h (SELECT_SECTION): Delete.
17857 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17859 * alias.c (init_alias_analysis): Wrap call to
17860 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
17862 1999-08-07 Bruce Korb <autogen@linuxbox.com>
17864 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
17865 <sys/asm.h> contains an asm comment with an apostrophe
17866 * fixinc/inclhack.sh: regen
17867 * fixinc/fixincl.x: regen
17869 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
17871 * function.c (init_function_start): Clear prologue & epilogue.
17872 (prologue_epilogue_contains): New function.
17873 * alias.c (init_alias_analysis): Use it.
17874 * rtl.h (prologue_epilogue_contains): Declare it.
17876 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
17878 * jump.c (onlyjump_p): New function.
17879 * rtl.h: Declare it.
17880 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
17881 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
17883 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
17885 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
17886 to invert loops. Simplify block scanning.
17888 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17890 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
17891 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
17893 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
17895 * config/sparc/liteelf.h: New file to support sparclite-elf target
17896 * config/sparc/t-sp86x: New file to support sparc86x targets
17897 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
17898 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
17899 * configure.in: Support above target triplets
17900 * configure: Regenerated
17902 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
17904 * fixinc/server.c (server_setup): Do not prefix function used as
17905 parameter with `&'.
17907 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
17909 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
17910 Remove fp reg alternatives.
17912 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
17914 * Makefile.in (TAROUTOPTS): Kill.
17915 (install-headers-tar): Use "xpf" for tar headerfile extraction
17916 * i370/x-oe (TAROUTOPTS): Delete.
17917 * m68k/x-apollo68 (TAROUTOPTS): Delete.
17918 * m68k/x-hp320 (TAROUTOPTS): Delete.
17919 * m68k/x-hp320g (TAROUTOPTS): Delete.
17920 * gcc.texi: Update bug reporting text.
17922 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
17924 * reg-stack.c (change_stack) Fixed problem with negative array index.
17926 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
17928 * extend.texi, install.texi: Fix spelling mistakes.
17930 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
17931 (s-attrtab); No longer try to use pre-made insn-attrtab file.
17932 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
17933 PREMADE_ATTRTAB_MD.
17934 * mips/t-ecoff: Likewise.
17935 * mips/t-elf: Likewise.
17936 * mips/t-mips: Likewise.
17937 * mips/t-osfrose: Likewise.
17938 * mips/t-r3900: Likewise.
17939 * mips/t-svr3: Likewise.
17940 * mips/t-svr4: Likewise.
17941 * mips/t-ultrix: Likewise.
17943 * gcc.texi: Document recommend means to provide software floating
17944 point libraries in libgcc.a
17946 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
17948 * c-lex.c (yylex): We can have a number with no digits.
17950 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
17952 * jump.c (delete_prior_computation): New function, broken
17953 out of delete_computation. Check for side effects with
17954 side_effects_p instead of FIND_REG_INC_NOTE. Handle
17955 multi-word hard registers.
17956 (delete_computation): Use it. Check for side effects with
17957 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
17958 missing REG_DEAD note for a register which is both set and
17961 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
17963 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
17964 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
17965 (ASM_FILE_START): Import _mcount with the right type.
17966 (ASM_DECLARE_FUNCTION_NAME): Define.
17967 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
17968 * pa.c (output_function_prologue): Always emit the function's label
17970 * pa.h (TEXT_SPACE_P): Define.
17971 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
17972 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
17973 * som.h (TEXT_SPACE_P): Delete.
17974 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
17975 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
17977 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
17979 * expr.c (emit_group_load): Allow src to be a CONCAT.
17981 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17983 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
17984 (___mulsi3): Use '!' comment character.
17986 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17988 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
17990 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
17992 * gcc.c: Update URLs and mail addresses.
17993 * gcc.texi: Likewise.
17995 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
17997 * rs6000.c (current_file_function_operand): Return zero for
17999 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
18001 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
18004 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
18006 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
18007 allocate space in the stack frame for the PIC register.
18009 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
18011 * m68k.md (xordi3, anddi3): These patterns are not available on
18014 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
18016 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
18017 (PUT_REAL): Likewise.
18019 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18021 * final.c (shorten_branches): Don't add an alignment for loops
18022 that have no label inside.
18024 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18026 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
18027 prototypes in macro HAVE_cmpstrsi.
18029 * cpplib.c (cpp_get_token): Remove unused label `op3'.
18031 * emit-rtl.c (operand_subword): Remove unused variable
18034 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
18036 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
18038 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
18040 * cpphash.c (macroexpand): Delete leading whitespace when arg
18041 is concatenated before.
18042 (unsafe_chars): Correct test for whether + and - can extend a
18045 * cppinit.c (cpp_start_read): Do dependencies for
18046 -include/-imacros files also.
18048 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
18049 tokenizing non-directive lines.
18050 (cpp_expand_to_buffer): Temporarily disable no-output mode.
18051 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
18054 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
18056 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
18058 * c-lex.c: Sync with C++ frontend.
18059 (linemode): New variable.
18060 (parse_float): imag, conversion_errno, and type are output only.
18061 (yylex): Adjust. Move initial '.' case into main switch.
18063 (handle_generic_pragma): Just deal with tokens.
18064 (readescape): Use ISXDIGIT and ISGRAPH.
18065 * c-parse.in: Add END_OF_LINE token.
18067 * c-lex.c (lang_init): Generalize.
18068 (nextchar): Remove. Replace uses with UNGETC.
18069 (skip_white_space): Handle linemode here. Optimize for cpplib.
18070 (skip_white_space_on_line): Remove.
18071 (extend_token_buffer_to): New fn.
18072 (extend_token_buffer): Use it.
18073 (read_line_number, check_newline): Just deal with tokens.
18074 (token_getch, token_put_back): New fns.
18075 (yylex): Use them. More cpplib optimizations. Simplify.
18077 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
18078 Jason Merrill <jason@yorick.cygnus.com>
18080 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
18081 (consume_string): Make this smart about USE_CPPLIB.
18082 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
18083 (yylex): Rewrite to be intelligent about USE_CPPLIB.
18084 Also, clean up cases where we redundantly set token_buffer[0].
18085 (read_line_number): New fn.
18086 (ignore_escape_flag): New variable.
18088 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
18090 * a29k/t-a29kbare: Fix some comments.
18091 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
18092 (FPBIT, DPBIT): Define.
18093 * a29k/t-vx29k: Likewise.
18094 * arc/t-arc: Likewise.
18095 * arm/t-arm-elf: Likewise.
18096 * arm/t-bare: Likewise.
18097 * arm/t-pe: Likewise.
18098 * arm/t-pe-thumb: Likewise.
18099 * arm/t-semi: Likewise.
18100 * arm/t-thumb: Likewise.
18101 * arm/t-thumb-elf: Likewise.
18102 * arm/t-thumb-linux: Likewise.
18103 * h8300/t-h8300: Likewise.
18104 * i960/t-i960: Likewise.
18105 * i960/t-vxworks960: Likewise.
18106 * m32r/t-m32r: Likewise.
18107 * mips/t-ecoff: Likewise.
18108 * mips/t-elf: Likewise.
18109 * mips/t-r3900: Likewise.
18110 * pa/t-pro: Likewise.
18111 * rs6000/t-aix43: Likewise.
18112 * rs6000/t-beos: Likewise.
18113 * rs6000/t-newas: Likewise.
18114 * rs6000/t-ppccomm: Likewise.
18115 * rs6000/t-rs6000: Likewise.
18116 * rs6000/t-winnt: Likewise.
18117 * rs6000/t-xnewas: Likewise.
18118 * rs6000/t-xrs6000: Likewise.
18119 * sh/t-sh: Likewise.
18120 * sparc/t-elf: Likewise.
18121 * sparc/t-sparcbare: Likewise.
18122 * sparc/t-sparclite: Likewise.
18123 * sparc/t-splet: Likewise.
18124 * v850/t-v850: Likewise.
18125 * mn10200/t-mn10200: Fix comments.
18126 * mn10300/t-mn10300: Likewise.
18128 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
18129 dummy operand. Allocate a new pseudo for the dummy operand.
18130 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
18132 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
18134 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
18136 * configure: Rebuilt.
18137 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
18139 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
18141 * recog.c (preproces_constraints): Zero recog_op_alt before
18142 processing the constraints.
18144 * arm.c (typedef minipool_node): Renamed from pool_node.
18145 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
18146 (add_minipool_constant): New function.
18147 (dump_minipool): New function.
18148 (find_barrier): Remove special case for getting the insn size of
18149 an insn that references the constant pool.
18150 (minipool_fixup): New structure.
18151 (push_minipool_barrier): New function.
18152 (push_minipool_fix): New function.
18153 (note_invalid_constants): New function.
18154 (add_pool_constant, dump_table, fixit, broken_move): Delete.
18155 (arm_reorg): Rewrite code to fix up the constant pool into a
18156 series of mini-pools embedded in the insn stream.
18157 (arm_output_epilogue): New function, made mainly from the body
18158 of output_func_epilogue.
18159 (output_func_epilogue): Move insn generation part of epilogue code
18160 to arm_output_epilogue.
18161 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
18162 * arm.md (pool_range): New attribute.
18163 (zero_extendqidi2): Add attribute pool_range.
18164 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
18165 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
18166 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
18167 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
18168 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
18169 (epilogue): New expand.
18170 (epilogue_insn): New insn. Call arm_output_epilogue.
18172 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
18173 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
18175 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
18177 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
18179 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
18181 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
18183 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
18185 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
18187 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
18189 * global.c: Fix comment.
18191 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
18193 * gcc.c (access_check): New static function.
18194 (find_a_file): Use it when searching a directory list.
18195 * collect2.c (find_a_file): Don't accept directories found when
18196 searching a directory list.
18198 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
18200 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
18201 function parameters with `&'.
18202 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
18204 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
18206 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
18207 or tidy_fallthru_edge if the last insn in the block is not
18208 an unconditional jump or a simple conditional jump.
18210 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18212 * Makefile.in (c-decl.o): Depends on defaults.h.
18214 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
18216 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
18218 (CLASS_MAX_NREGS): Likewise.
18220 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
18222 * cse.c (cse_insn): Fix dumb thinko in last change.
18224 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18226 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
18229 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
18231 * dwarf2out.c (add_location_or_const_value_attribute): Correct
18232 test for sizes of passed and declared parameter types.
18234 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18236 * fixincludes: Fix the return type of bsearch, char* -> void*.
18238 * fixinc/inclhack.def: Likewise.
18240 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
18242 * invoke.texi (-fdump-translation-unit): New option.
18244 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
18246 * expr.h (PROMOTE_PROTOTYPES): Move ...
18247 * defaults.h: ... to here.
18248 * c-decl.c: Include defaults.h instead of expr.h.
18249 * c-typeck.c: Include defaults.h.
18251 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
18253 * toplev.h (errorcount): Declare.
18254 (warningcount): Likewise.
18255 (sorrycount): Likewise.
18256 * c-lex.c (errorcount): Don't declare.
18257 * dwarf2out.c (errorcount): Don't declare.
18259 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
18261 * config/libgloss.h: Add a note discouraging use with ELF.
18262 * configure.in: Don't use libgloss.h for ELF targets.
18263 Always use_collect2 on a.out targets.
18265 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
18267 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
18268 (force_to_mode, case ASHIFTRT): Add shiftrt label.
18270 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18272 * loop.c (strength_reduce): When doing biv->giv conversion, update
18273 reg note of NEXT->insn.
18275 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18277 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
18279 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18281 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
18282 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
18283 Ensure expr.h is included.
18284 * c-typecheck.c (convert_arguments): Ditto.
18286 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
18288 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
18289 * config/convex/convex.h: Ditto.
18290 * config/dsp16xx/dsp16xx.h: Ditto.
18291 * config/fx80/fx80.h: Ditto.
18292 * config/gmicro/gmicro.h: Ditto.
18293 * config/i370/i370.h: Ditto.
18294 * config/i386/i386.h: Ditto.
18295 * config/m32r/m32r.h: Ditto.
18296 * config/m68k/m68k.h: Ditto.
18297 * config/m88k/m88k.h: Ditto.
18298 * config/mips/mips.h: Ditto.
18299 * config/pa/pa.h: Ditto.
18300 * config/pyr/pyr.h: Ditto.
18301 * config/tahoe/tahoe.h: Ditto.
18302 * config/we32k/we32k.h: Ditto.
18304 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
18305 based on arch size.
18307 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
18309 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
18312 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
18314 1999-08-02 Richard Henderson <rth@cygnus.com>
18316 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
18317 for the register spill block.
18318 (m32r_va_arg): New.
18319 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
18320 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
18322 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
18323 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
18324 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
18326 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18328 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
18329 MAX_WCHAR_TYPE defined in sparc.h.
18330 * config/sparc/linuxaout.h: Likewise.
18331 * config/sparc/linux64.h: Likewise.
18332 Also default to -mvis if CPU is UltraSPARC.
18334 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18336 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
18337 (RTX_OK_FOR_OLO10): Likewise.
18338 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
18339 %lo(), allow it in addresses...
18340 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
18341 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
18342 does not make sense.
18343 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
18344 (sparc_output_scratch_registers): New function.
18345 (output_function_prologue, sparc_flat_output_function_prologue): Use
18347 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
18349 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
18350 * configure.in: Add check for .register pseudo-op support in as and
18351 check for offsetable %lo().
18352 * acconfig.h: Add templates for the above checks.
18353 * configure: Regenerate.
18355 1999-08-02 Richard Henderson <rth@cygnus.com>
18357 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
18358 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
18359 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
18361 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18363 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
18366 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18368 * config/float-sparc.h: New file.
18369 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
18370 sparc-*-linux-gnu and sparc64-*-linux*.
18372 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18374 * rs6000.c (rs6000_va_list): Type is an array.
18375 (rs6000_va_start): Don't doubly adjust for varargs.
18376 (rs6000_va_arg): Evaluate long long GPR adjustment.
18378 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
18380 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
18381 -maix64 and -maix32.
18382 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
18383 LINK_SPEC): Change appropriately.
18384 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
18385 (u_short_cint_operand): Likewise.
18386 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
18388 * rs6000/t-aix43 (MULTILIB): Change to -m64.
18390 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
18392 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
18394 * rs6000/rs6000.c (num_insns_constant_wide): Correct
18395 for type promotion.
18396 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
18397 (non_add_cint_operand): Likewise.
18398 (logical_operand): Likewise.
18399 (non_logical_cint_operand): Likewise.
18400 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
18401 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
18402 (rs6000_select_rtx_section): Suppress warning.
18403 (small_data_operand): Suppress warning.
18404 (rs6000_got_register): Suppress warning.
18405 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
18406 type, so `J' is generally the wrong constraint for a SImode value;
18408 (andsi3_internal2): Likewise.
18409 (andsi3_internal3): Likewise.
18410 (iorsi3_internal1): Likewise.
18411 (xorsi3_internal1): Likewise.
18413 (movsf_softfloat): Likewise.
18414 (scc insns): Likewise.
18415 (movsi+2): Preserve sign bits of SImode constant.
18416 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
18417 (movdf+1): Sign-extend properly.
18418 (movdi_32+1): Sign-extend properly.
18419 (scc insns): Sign-extend properly.
18421 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
18424 1999-08-02 Richard Henderson <rth@cygnus.com>
18426 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
18427 -mcpu parsing code.
18428 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
18429 * alpha.md (all fp insns): Likewise.
18431 1999-08-02 Nick Clifton <nickc@cygnus.com>
18433 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
18436 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
18438 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
18439 pic_load_label generator directly.
18440 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
18441 No longer a named pattern.
18443 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
18445 * explow.c (force_reg): Call force_operand if X does not
18446 satisfy general_operand.
18448 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
18450 * fix-header.c (main): When testing for CONTINUED, use string
18451 equality, not pointer equality.
18453 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
18455 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
18457 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
18459 * cse.c (cse_insn): Fix loop which deletes insns after a jump
18460 that has become an unconditional jump.
18462 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
18463 (output_function_epilogue): Similarly.
18465 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18467 * tree.h (init_dummy_function_start): Declare.
18469 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18471 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
18472 last_expr_type, last_expr_value, block_start_count, block_stack,
18473 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
18474 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
18475 dynamically in stmt elt of struct function for each function.
18476 (struct nesting): Rename function_call_count elt to n_function_calls,
18477 target_temp_slot_level to block_target_temp_slot_level. All users
18479 (struct stmt_status): New structure definition.
18480 Add many accessor macros for stmt_status elements which previously
18481 were global variables.
18482 (init_stmt_for_function): Allocate stmt elt for current_function.
18483 Reflect that block_start_count was renamed to
18484 current_block_start_count.
18485 (save_stmt_status, restore_stmt_status): Delete functions.
18486 (preserve_subexpressions_p): Don't access loop_stack when outside
18488 (expand_start_bindings): Reflect that block_start_count was renamed to
18489 current_block_start_count.
18490 (expand_fixup): Likewise.
18491 (expand_decl): Don't access block_stack when outside a function.
18492 (expand_decl_cleanup): Likewise.
18493 (expand_dcc_cleanup): Likewise.
18494 (expand_dhc_cleanup): Likewise.
18495 (expand_anon_union_decl): Likewise.
18496 (set_file_and_line_for_stmt): New function.
18497 (in_control_zone_p): New function.
18499 * function.h (struct function): Add new elt stmt.
18500 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
18501 case_stack, nesting_stack, nesting_depth, block_start_count,
18502 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
18503 emit_lineno, goto_fixup_chain.
18504 (save_eh_status, restore_eh_status, save_stmt_status,
18505 restore_stmt_status): Delete declarations.
18506 * function.c (push_function_context_to): Don't call save_stmt_status.
18507 (pop_function_context_to): Don't call restore_stmt_status.
18508 * tree.h (in_control_zone_p): Declare.
18509 * rtl.h (set_file_and_line_for_stmt): Declare.
18511 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
18512 call set_file_and_line_for_stmt.
18514 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
18516 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
18517 Also update copyright.
18519 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18521 * c-pragma.c: Don't include "except.h".
18522 * emit-rtl.c: Likewise.
18523 * stor-layout.c: Likewise.
18524 * tree.c: Likewise.
18525 * varasm.c: Likewise.
18527 * flow.c: Include "function.h".
18528 * tree.h (init_dummy_function_start): Declare new function.
18530 * except.h (struct eh_status): New structure.
18531 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
18533 (eh_return_stub_label, ehstack, catchstack, ehqueue,
18534 catch_clauses, false_label_stack, caught_return_label_stack,
18535 protect_list, current_function_ehc): Add accessor macros for the
18536 corresponding fields in current_function->eh; delete declarations
18537 for all items that used to be declared here.
18538 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
18539 catch_clauses, false_label_stack, caught_return_label_stack,
18540 protect_list, current_function_ehc): Delete variables.
18541 (init_eh_for_function): Allocate current_function->eh.
18542 (save_eh_status, restore_eh_status): Delete functions.
18544 * function.h (struct function): Add fields next_global and eh.
18545 Delete all exception handling related fields.
18546 * function.c (current_function): New variable.
18547 (all_functions): New variable.
18548 (push_function_context_to): Don't allocate a struct function,
18549 use current_function instead. Call init_dummy_function_start when
18550 outside a function. Clear current_function before returning.
18551 (pop_function_context_from): Restore current_function.
18552 Don't free the restored struct function.
18553 (prepare_function_start): New function.
18554 (init_dummy_function_start): New function.
18555 (init_function_start): Break out some code into prepare_function_start
18558 * stmt.c (save_stmt_status): Don't call save_eh_status.
18559 (restore_stmt_status): Don't call restore_eh_status.
18561 * Makefile.in: Update dependencies.
18563 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
18565 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
18566 of depending on a magic constant value. Update comments.
18567 (hppa_expand_prologue): Similarly.
18569 * pa.md (reload_indi, reload_outdi): Allow any register for the
18570 original reload register.
18572 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
18574 * cccp.c (print_help): Change marcos to macros.
18576 1999-07-30 Richard Henderson <rth@cygnus.com>
18578 * c-typeck.c (initializer_constant_valid_p): Move ...
18579 * c-common.c (initializer_constant_valid_p): ... here. Use
18580 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
18581 of label addresses.
18582 * c-common.h (initializer_constant_valid_p): Declare.
18583 * c-tree.h (initializer_constant_valid_p): Remove.
18585 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
18587 * config/i386/sol2-c1.asm: Align the stack.
18588 * config/i386/sol2-gc1.asm: Likewise.
18590 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
18592 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
18593 -Asparclite for sparc86x.
18594 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
18596 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
18598 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
18600 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
18601 the user if using the non-default arch size in BI_ARCH configuration.
18602 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
18604 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
18605 Fix patterns so that they actually match.
18606 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
18607 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
18608 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
18610 (mulsidi3): Reflect this in the expand.
18611 (smulsi3_highpart): Only on TARGET_ARCH32.
18612 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
18613 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
18614 (umulsidi3): Reflect this in the expand.
18615 (umulsi3_highpart): Only on TARGET_ARCH32.
18616 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
18617 don't require g0 to be zero.
18618 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
18619 ({,u}divsi3): New expands.
18620 ({,u}divsi3_sp64): New patterns.
18621 (after lshrdi3_v8plus): Four new patterns to help combiner
18622 optimizing nested mixed mode shifts.
18624 * config/sparc/sparc.c (sparc_override_options): Use deprecated
18625 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
18626 speed things up. Don't use them by default on plain v9 in 64bit
18627 mode, according to what SPAMv9 sais.
18629 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
18630 top 32 bits of %[og][0-7] in signal handlers.
18631 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
18633 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
18635 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
18636 (ashlsi3): Corresponding changes.
18638 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
18640 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
18642 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
18644 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18646 * arm.h (Hint): Delete macro.
18647 Substitute HOST_WIDE_INT for Hint in some prototypes.
18648 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
18650 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
18652 * builtins.c (expand_builtin_setjmp): Use force_operand to
18653 make sure that the buffer address is in a suitable form to be
18654 passed to force_reg.
18656 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
18658 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
18661 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
18663 * pa.md (indirect_jump): Remove mode from match_operand. Verify
18664 proper mode in the condition string.
18665 (icacheflush, dcacheflush): Remove modes from match_operands.
18667 * pa.c (emit_move_sequence): Always convert scratch_reg to the
18668 proper mode before using it.
18670 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
18673 * pa.c (store_reg): Do not call add_high_const generator directly.
18674 (load_reg, set_reg_plus_d): Likewise.
18675 * pa.md (add_high_const): No longer a named pattern.
18677 * pa.c (legitimize_address): Consistently use Pmode rather than
18678 SImode. Do not call gen_pic2_highpart directly anymore.
18679 * pa.md (pic2_highpart): No longer a named pattern.
18680 (pic2_lo_sum): Similarly. Reformat to make more readable.
18682 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
18687 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18689 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
18691 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
18693 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
18694 and tag the spill mems.
18695 (hppa_va_start): New.
18696 (hppa_va_arg): New.
18697 * pa.h (EXPAND_BUILTIN_VA_START): New.
18698 (EXPAND_BUILTIN_VA_ARG): New.
18700 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
18702 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
18703 and tag the spill mems.
18704 (mn10300_va_start): New.
18705 (mn10300_va_arg): New.
18706 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
18707 (EXPAND_BUILTIN_VA_ARG): New.
18709 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
18711 * mn10200.c (mn10200_va_arg): New.
18712 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
18714 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
18716 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
18717 rather than play with TREE_INT_CST_LOW.
18719 1999-07-27 Philip Blundell <pb@nexus.co.uk>
18721 * config/arm/telf.h: Include dbxelf.h.
18722 (CPP_PREDEFINES): Only define if not already defined.
18723 (ASM_IDENTIFY_GCC): Likewise.
18724 (SUBTARGET_EXTRA_SECTIONS): Likewise.
18725 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
18726 * config/arm/thumb.h (LINK_SPEC): Only define if not already
18728 (DBX_DEBUGGING_INFO): Don't define.
18729 * config/arm/linux-telf.h: New file.
18730 * config/arm/linux-tgas.h: New file.
18731 * config/arm/t-thumb-linux: New file.
18732 * config/arm/uclinux-elf.h: New file.
18733 * config/arm/uclinux-telf.h: New file.
18734 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
18735 thumb-*-uclinux): New targets.
18736 * configure: Regenerate.
18738 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
18740 * pa.md (post_store, pre_load): New expanders.
18741 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
18742 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
18743 need to directly generate RTL for them.
18744 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
18747 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
18749 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
18750 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
18751 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
18752 (secndary_reload_class): Make TARGET_ELF conditional compile.
18753 (print_operand_address): Similar.
18754 (output_toc): Print all values as hex.
18755 (get_issue_rate): Rearrange and add RS64A and PPC630.
18756 * rs6000.h (processor_type): Add RS64A and PPC630.
18757 (PROCESSOR_POWERPC64): New.
18758 (PROMOTE_MODE): Use word_mode.
18759 (RTX_COSTS): Add RS64A and PPC630.
18760 * rs6000.md (scheduling information): Add lmul and ldiv
18761 representing 64-bit integer multiply and divide. Add rs64a and
18762 PPC630 information.
18763 (ashldi3): Add support for "rldic" instruction.
18764 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
18766 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
18768 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
18769 instead of V8 for sparclite86x in cpu_table.
18771 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18773 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
18774 output_file_directive.
18776 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
18778 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
18779 tree for op1, not the rtl.
18781 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
18783 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
18784 to m88k_va_start, leaving only the register spill.
18785 (m88k_build_va_list): New.
18786 (m88k_va_start): New.
18787 (m88k_va_arg): New.
18788 * m88k.h (BUILD_VA_LIST_TYPE): New.
18789 (EXPAND_BUILTIN_VA_START): New.
18790 (EXPAND_BUILTIN_VA_ARG): New.
18792 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
18794 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
18795 Rename from expand_builtin_saveregs.
18796 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
18798 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
18800 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
18801 for the register spill block.
18802 (i960_build_va_list): New.
18803 (i960_va_start): New.
18804 (i960_va_arg): New.
18805 * i960.h (BUILD_VA_LIST_TYPE): New.
18806 (EXPAND_BUILTIN_VA_START): New.
18807 (EXPAND_BUILTIN_VA_ARG): New.
18808 * i960.md (store_multiple): Use change_address on individul mems.
18810 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
18812 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
18814 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
18815 (expand_builtin_va_end): Evaluate arg for side effects.
18816 * c-common.c (c_common_nodes_and_builtins): Construct a
18817 va_list_arg_type_node to handle array decomposition to pointer.
18819 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
18821 * except.c (start_dynamic_cleanup): Use force_operand on the
18824 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
18826 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
18827 * c4x.c (c4x_va_arg): New.
18829 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
18831 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
18832 has manual_pop set.
18834 1999-07-26 Nathan Sidwell <nathan@acm.org>
18836 * eh-common.h (__eh_matcher): Prototype correctly.
18838 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
18840 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
18841 (TARGET_SINGLE_PIC_BASE): Likewise.
18842 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
18844 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
18845 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
18846 (TARGET_OPTIONS): Add -mpic-register=N.
18847 (OUTPUT_INT_ADDR_CONST): New macro.
18848 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
18849 LEGITIMATE_PIC_OPERAND_P): Likewise.
18850 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
18851 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
18852 output_addr_const directly.
18853 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
18855 (thumb_pic_register, thumb_pic_register_string): Declare.
18857 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
18859 (label_mentioned_p): New function: Imported from arm.c.
18860 (legitimize_pic_address): New function: Imported from arm.c.
18861 (is_pic):New function: Imported from arm.c.
18862 (thumb_finalize_pic):New function: Imported from arm.c.
18863 (add_constant): Cope with PIC constants.
18864 (fixit): Cope with PIC constants.
18865 (output_return): Do not treat the PIC register as live if
18866 TARGET_SINGLE_PIC_BASE is true.
18867 (thumb_function_prologue): Do not treat the PIC register as live if
18868 TARGET_SINGLE_PIC_BASE is true.
18869 (thumb_expand_prologue): Do not treat the PIC register as live if
18870 TARGET_SINGLE_PIC_BASE is true.
18871 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
18872 TARGET_SINGLE_PIC_BASE is true.
18873 (thumb_print_operand): Accept '|'.
18874 (thumb_override_options): Process PIC options.
18876 * config/arm/thumb.md (movsi): Support PIC.
18877 (call_insn): Change "i" constraint to "X".
18878 (call_value_insn): Likewise.
18879 (consttable_4, consttable_8, consttable_end): Set and clear
18880 "making_const_table" as appropriate.
18881 (pic_load_addr, pic_add_dot_plus_four): New insns.
18883 * invoke.texi (Thumb Options): Fix spelling. Document new
18884 options -msingle-pic-base and -mpic-register=.
18886 1999-07-26 Andrew Haley <aph@cygnus.com>
18888 * config/m32r/initfini.c (__init): Use a full word immediate for
18889 __fini: this allows it to be placed in any memory region.
18891 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
18892 -mmodel=medium. This is OK for all memory models.
18894 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
18896 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
18897 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
18899 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
18901 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
18904 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
18906 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
18908 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
18909 (BUILD_VA_LIST_TYPE): New.
18910 (EXPAND_BUILTIN_VA_START): New.
18911 (EXPAND_BUILTIN_VA_ARG): New.
18912 * i860.c (output_delayed_branch): Disable.
18913 (output_delay_insn): Likewise.
18914 (i860_saveregs): New.
18915 (i860_build_va_list): New.
18916 (i860_va_start): New.
18917 (i860_va_arg): New.
18918 * i860.md: Disable all peepholes using output_delayed_branch.
18919 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
18921 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
18923 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
18924 (BUILD_VA_LIST_TYPE): New.
18925 (EXPAND_BUILTIN_VA_START): New.
18926 (EXPAND_BUILTIN_VA_ARG): New.
18927 * clipper.c (clipper_builtin_saveregs): Only dump registers.
18928 Return the address of the save area.
18929 (clipper_build_va_list): New.
18930 (clipper_va_start): New.
18931 (clipper_va_arg): New.
18933 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
18935 * arc.h (EXPAND_BUILTIN_VA_START): New.
18936 (EXPAND_BUILTIN_VA_ARG): New.
18937 * arc.c (arc_setup_incoming_varargs): Set alias set of
18939 (arc_va_start): New.
18942 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
18944 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
18945 (BUILD_VA_LIST_TYPE): New.
18946 (EXPAND_BUILTIN_VA_START): New.
18947 (EXPAND_BUILTIN_VA_ARG): New.
18948 * alpha.c (alpha_builtin_saveregs): Delete.
18949 (alpha_build_va_list): New.
18950 (alpha_va_start): New.
18951 (alpha_va_arg): New.
18953 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
18955 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
18957 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
18958 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
18960 * gcc.texi: More changes related to list conversion.
18961 * invoke.texi: Likewise.
18963 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
18965 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
18966 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
18967 (expand_builtin_next_arg): Accept ARGLIST not EXP.
18968 (stabilize_va_list): New function.
18969 (std_expand_builtin_va_start): New function.
18970 (expand_builtin_va_start): New function.
18971 (get_varargs_alias_set): New function.
18972 (std_expand_builtin_va_arg): New function.
18973 (expand_builtin_va_arg): New function.
18974 (expand_builtin_va_end): New function.
18975 (expand_builtin_va_copy): New function.
18976 (expand_builtin): Call them.
18977 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
18978 __builtin_{varargs_start,stdarg_start,end,copy}.
18979 (build_va_arg): New function.
18980 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
18981 (build_va_arg): Declare.
18982 * c-decl.c (ptr_type_node, va_list_type_node): New.
18983 * c-parse.gperf (__builtin_va_arg): New.
18984 * c-parse.in (VA_ARG): New token.
18985 (unary_expr): Recognize it.
18986 * expr.c (expand_expr): Expand VA_ARG_EXPR.
18987 * expr.h (std_expand_builtin_va_start): Declare.
18988 (std_expand_builtin_va_arg): Declare.
18989 (expand_builtin_va_arg): Declare.
18990 (get_varargs_alias_set): Declare.
18991 * tree.def (VA_ARG_EXPR): New.
18992 * tree.h (BUILT_IN_VARARGS_START): New.
18993 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
18994 (ptr_type_node, va_list_type_node): Declare.
18995 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
18996 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
18997 * m88k.h, m88k.c: Likewise.
18998 * mn10300.h, mn10300.c: Likewise.
18999 * pa.h, pa.c: Likewise.
19000 * rs6000.h, rs6000.c: Likewise.
19001 * sh.h, sh.c: Likewise.
19002 * sparc.h, sparc.c: Likewise.
19004 * emit-rtl.c (operand_subword): Copy alias set.
19005 (change_address): Likewise.
19007 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
19009 * pa.c (compute_frame_size): Scan all the used callee saved registers,
19010 not just the first one.
19012 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
19014 * config/arm/arm.h (TARGET_SWITCHES): Add
19015 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
19016 (TARGET_OPTIONS): Add -mpic-register=.
19017 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
19018 (arm_pic_register_string): Declare.
19019 (NEED_PLT_GOT): Delete, replace with ...
19020 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
19021 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
19022 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
19023 * config/arm/arm.c (arm_override_options): Add new option
19025 (arm_pic_register_string): New variable.
19026 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
19027 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
19028 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
19029 (output_return_instruction): Likewise.
19030 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
19031 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
19032 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
19034 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
19035 mention of -msched-prolog. Document new options -msingle-pic-base
19036 and -mpic-register=.
19038 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
19040 * haifa-sched.c (reemit_notes): Tidy.
19041 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
19044 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
19046 * explow.c (trunc_int_for_mode): New function.
19047 (plus_constant_wide): Use it.
19048 * combine.c (simplify_and_const_int): Likewise.
19049 (merge_outer_ops): Likewise.
19050 (simplify_shift_const): Likewise.
19051 * cse.c (simplify_unary_operation): Likewise.
19052 (simplify_binary_operation): Likewise.
19053 * emit-rtl.c (operand_subword): Likewise.
19054 * rtl.h: Declare it.
19056 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19058 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
19059 (use NUM_REGS instead of NUM_INTS).
19061 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19063 * builtins.c: New file.
19064 * expr.c (saveregs_value, apply_args_value): Delete definition,
19065 moved into builtins.c.
19066 (string_constant): No longer static.
19067 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
19068 apply_args_size, apply_result_size, result_vector,
19069 expand_builtin_apply_args, expand_builtin_apply,
19070 expand_builtin_return): Delete functions, moved into builtins.c.
19071 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
19072 * expr.h (saveregs_value, apply_args_value): Declare variables.
19073 (expand_builtin, string_constant): Declare functions.
19074 * Makefile.in: Update to build builtin.o.
19076 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
19078 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
19079 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
19080 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
19081 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
19083 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
19086 1999-07-21 Michael Meissner <meissner@cygnus.com>
19088 * print-rtl.c (print_rtx): Print the names of the virtual
19091 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
19093 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
19094 introduced in previous delta.
19096 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19098 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
19099 to avoid name clash.
19101 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
19103 * c-lex.c (yylex) : Correct the test for overflow when lexing
19106 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
19108 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
19109 (adjust_priority): Always call ADJUST_PRIORITY.
19110 (schedule_insn): Only put insns into the ready at cost 0.
19111 (schedule_block): Remove redundant initial sort. Give clock_var
19112 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
19114 * tm.texi (MD_SCHED_REORDER): Update docs.
19116 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
19117 * sparc.c (ultra_reorder_called_this_block): Delete.
19118 (ultrasparc_sched_init): Don't set it.
19119 (ultrasparc_sched_reorder): Don't check it.
19121 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
19123 * rs6000.h (struct rs6000_args): Add sysv_gregno.
19124 * rs6000.c (init_cumulative_args): Init sysv_gregno.
19125 (function_arg_boundary): Align DFmode.
19126 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
19127 to get fp reg and stack overflow correct.
19128 (function_arg): Likewise.
19129 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
19130 (setup_incoming_varargs): Restructure for ABI_V4; use
19131 function_arg_advance to skip final named argument.
19132 (expand_builtin_saveregs): Properly unskip the last integer arg
19133 when doing varargs. Adjust overflow location calculation.
19135 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
19136 explicitly unsigned.
19137 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
19138 (__VA_GP_REGSAVE): Similarly.
19139 (__va_longlong_p): Delete.
19140 (__va_arg_type_violation): New declaration.
19141 (va_arg): Restructure. Flag promotion errors. Align double.
19142 TFmode passed by reference.
19144 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
19145 in the HOST_BITS_PER_WIDE_INT > 32 case.
19147 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
19149 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
19151 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
19153 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
19154 * toplev.c (documented_lang_options): Add -fpreprocessed.
19155 * cpplib.h (struct cpp_buffer): Add preprocessed.
19156 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
19157 (cpp_start_read): Don't expand macros or emit an initial #line
19158 directive if -fpreprocessed.
19160 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
19162 * cpplib.h (struct cpp_buffer): Added manual_pop for
19163 better C++ tokenization.
19164 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
19165 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
19166 * c-common.c (cpp_token): Make non-static.
19168 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19170 * c-common.h: New file.
19171 * c-common.c (permanent_obstack): Delete unused declaration.
19172 (c_global_trees): New array.
19173 (c_common_nodes_and_builtins): New function; split off common code
19174 from init_decl_processing in both c-decl.c and cp/decl.c.
19175 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
19176 c_global_trees and accessor macros defined in c-common.h.
19177 Include c-common.h.
19178 * c-decl.c: Delete definitions for tree nodes that were replaced by
19180 (init_decl_processing): Build void_list_node.
19181 Call c_common_nodes_and_builtins; delete code to generate the common
19183 * objc/objc-act.c (build_module_descriptor): Rename variable
19184 void_list_node to avoid clash with c-common.h.
19186 * Makefile.in: Update dependencies.
19187 * objc/Make-lang.in: Likewise.
19189 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
19191 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
19192 (UNIQUE_SECTION_P): Likewise.
19193 (UNIQUE_SECTION): Likewise.
19195 1999-07-19 Linas Vepstas <linas@linas.org>
19197 * config/i370/README: New file.
19198 * config/i370/linux.h: New file.
19199 * config/i370/mvs.h: New file.
19200 * config/i370/oe.h: New file.
19201 * config/i370/t-linux: New file.
19202 * config/i370/t-mvs: New file.
19203 * config/i370/t-oe: New file.
19204 * config/i370/x-oe: New file.
19205 * config/i370/xm-linux.h: New file.
19206 * config/i370/xm-mvs.h: New file.
19207 * config/i370/xm-oe.h: New file.
19209 * i370.c (label_node_t): Add first_ref_page, label_addr,
19210 label_first_ref, label_last_ref members.
19211 (mvs_need_base_reload): Renamed from mvs_label_emitted.
19212 (MAX_MVS_LABEL_SIZE): Define.
19213 (MAX_LONG_LABEL_SIZE): Define.
19214 (alias_node_t, alias_anchor, alias_number): New.
19215 (mvs_function_table): Reorder for EBCDIC.
19216 (ascebc, ebcasc): Unconditionally define.
19217 (i370_branch_dest, i370_branch_length): New functions.
19218 (i370_short_branch, i370_label_scan): New functions.
19219 (mvs_get_label): Renamed from mvs_add_label. Search for
19220 an existing label before creating a new one.
19221 (mvs_add_label): New function.
19222 (mvs_get_label_page): New function.
19223 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
19224 over the entire list.
19225 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
19226 (mvs_check_page) [TARGET_ELF_ABI]: New function.
19227 (mvs_add_alias, mvs_need_alias): New functions.
19228 (mvs_get_alias, mvs_check_alias): New functions.
19229 (handle_pragma): New function.
19230 (mvs_function_check): New function.
19231 (unsigned_jump_follows_p): Search harder.
19232 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
19233 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
19234 * i370.h (TARGET_VERSION): Delete.
19235 (CPP_SPEC, CPP_PREDEFINES): Delete.
19236 (mvs_label_emitted): Delete.
19237 (TARGET_EBCDIC): Delete.
19238 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
19239 (HANDLE_PRAGMA): Define.
19240 (HARD_REGNO_NREGS): Handle complex modes.
19241 (HARD_REGNO_MODE_OK): Likewise.
19242 (CLASS_MAX_NREGS): Likewise.
19243 (RET_REG): Likewise.
19244 (EXTRA_CONSTRAINT): Define.
19245 (RETURN_IN_MEMORY): True for DImode.
19246 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
19247 (FUNCTION_PROFILER): Delete.
19248 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
19249 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
19250 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
19251 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
19252 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
19253 (ASM_FILE_START): Add "RMODE ANY".
19254 (ASM_OUTPUT_EXTERNAL): Check for aliases.
19255 (ASM_GLOBALIZE_LABEL): Likewise.
19256 (ASM_OUTPUT_LABELREF): Likewise.
19257 (ASM_OUTPUT_COMMON): Likewise.
19258 (PRINT_OPERAND): Handle 'K', 'W', default.
19259 (PRINT_OPERAND_ADDRESS): New.
19260 (Lots of defines): Add support for TARGET_ELF_ABI.
19261 * i370.md (attr length): New. Define for all patterns.
19262 (*): Lots of tweeks to assembly output and constraints.
19264 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
19266 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
19267 Disable patterns performing SImode comparisons with SImode values
19268 if TARGET_POWERPC64 and instruction does not sign-extend or does
19269 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
19270 differ for signed quantities.
19271 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
19272 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
19273 (decrement_and_branch_on_count): Add 64-bit variant.
19275 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19277 * final.c (output_asm_insn): When searching for the matching string
19278 for a given dialect, don't run past the end of the list of
19279 alternatives if there are fewer alternatives in the template than
19282 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
19284 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
19285 Removed paragraph about compression of files and size limitation,
19286 duplicated in the FAQ. Use gcc-patches for posting patches.
19287 * gcc.c (main): Updated URL with bug reporting instructions to
19288 gcc.gnu.org. Removed e-mail address.
19289 * system.h (abort): Likewise.
19291 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19293 * Makefile.in (stmp-multilib-sub): Make the files extracted
19294 from $(LIBGCC1) writable.
19296 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
19298 * config/arm/aout.h: Reformat for improved readability.
19300 * config/arm/arm.h: Reformat for improved readability.
19301 Replace uses of fprintf with asm_fprintf where appropriate.
19302 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
19303 function declaration assembler actions.
19304 (NUM_INTS): New macro: Convert from bytes to words.
19305 (NUM_REGS): New macro: Compute number of registers required to
19306 hold a quanitity of tyep MODE.
19307 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
19309 (NUM_ARG_REGS): New macro: The number of argument registers
19311 (ARG_REGISTER): New macro: Compute the register number of the Nth
19313 (LAST_ARG_REGNUM): New macro: The number of the last argument
19315 (SP_REGNUM): New macro: Register number of the stack pointer.
19316 (FP_REGNUM): New macro: Register number of the frame pointer.
19317 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
19318 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
19319 CUMULATIVE_ARGS so that it counts registers not bytes.
19321 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
19323 Replace uses of fprintf with asm_fprintf where appropriate.
19324 (output_ascii_pseudo_op): Replace with version from thumb.c
19326 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
19328 * config/arm/elf.h (CPP_PREDEFINES): Replace with
19329 SUBTARGET_CPP_SPEC.
19330 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
19331 (ASM_FILE_START): Emit ASM_APP_OFF.
19333 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
19335 * pa.c (compute_frame_size): Round frame according to
19336 STACK_BOUNDARY rather than a hardwired value.
19338 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
19340 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
19342 * configure: Rebuilt.
19344 * configure.in (hppa*-*-linux*): New configuration.
19345 * configure: Rebuilt.
19346 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
19347 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
19348 * pa/pa-linux.h: New file.
19349 * pa/t-linux: New file.
19350 * pa/xm-linux.h: New file.
19352 * pa.c (hppa_legitimize_address): Change references from SImode to
19353 either Pmode or word_mode as appropriate.
19354 (emit_move_sequence, store_reg, load_reg): Likewise.
19355 (set_reg_plus_d, hppa_expand_prologue): Likewise.
19356 (output_mul_insn): Likewise.
19357 * pa.h (PROMOTE_MODE): Likewise.
19358 (INITIALZE_TRAMPOLINE): Likewise.
19359 (Pmode): Define to word_mode.
19361 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
19362 value of 4. Allocate 8 bytes for each FP register save.
19363 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
19365 (hppa_expand_prologue): Likewise.
19366 * pa.h (PROMOTE_MODE): Likewise.
19367 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
19368 (FUNCTION_ARG_BOUNDARY): Likewise.
19370 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
19372 * pa.c (out_of_line_prologue_epilogue): Delete.
19373 (override_options): Remove -mspace related code.
19374 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
19375 (compute_frame_size): Only allocate space for register that
19376 actually need to be saved.
19377 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
19378 (TARGET_SWITCHES): Remove -mspace, -mno-space
19379 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
19380 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
19381 * pa/ee.asm, pa/ee_fp.asm: Delete.
19383 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
19385 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
19386 directive in column zero.
19388 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
19390 * m68k.c (output_function_prologue): Fix computation of save mask
19391 when generating PIC code.
19393 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
19395 * tree.c (build_type_attribute_variant): Move current_obstack restore
19396 after build_qualified_type call.
19398 1999-07-15 Mark Mitchell <mark@codesourcery.com>
19400 * configure.in: Use t-iris6, even with GNU LD.
19401 * config/mips/iris6gld.h: Fix typo in linker spec.
19402 * config/mips/t-iris6gld: Remove.
19404 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
19406 * rs6000.md (insv, extzv): Remove SImode dependence in named
19407 patterns. Explicitly generate DImode RTL if PowerPC64 and
19409 (insvdi): Reverse start and size in instruction template.
19411 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
19413 * invoke.texi: Typo fixes.
19415 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
19417 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
19418 handle at this time instead of silently generating incorrect code.
19419 (gen_imagpart): Likewise.
19421 * reload.c (find_reloads): Emit a USE for a pseudo register without
19422 a hard register if we could not create an optional reload for the
19425 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19427 * c-typeck.c (output_init_element, process_init_element):
19428 When advancing constructor_unfilled_fields for a RECORD_TYPE,
19429 check for nameless bit fields.
19431 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
19433 * regclass.c (scan_one_insn): Notice subregs that change the
19434 size of their operand.
19435 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
19437 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
19439 * configure.in (alpha*-*-*): Include alpha/t-ieee.
19440 * configure: Rebuilt.
19441 * alpha/t-ieee: New file.
19443 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
19445 * rs6000.c (find_addr_reg): Do not select r0 as an address
19448 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
19450 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
19452 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
19454 * rs6000.md (movsf): Do not force easy FP constants into memory.
19456 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
19457 immed_double_const to ensure they are properly truncated then
19460 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
19462 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
19463 always unless NO_DEBUG is used. Compile this code
19465 (replace_symbols_in_block): Compile it unconditionally.
19467 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
19469 * configure.in (i?86-*-elf*): New target.
19470 * configure: Rebuilt.
19471 * i386/i386elf.h, i386/t-i386elf: New files.
19473 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
19475 * toplev.c (main): Don't complain about saying -gdwarf.
19476 (rest_of_compilation): Remove redundant code.
19478 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
19480 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
19482 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
19484 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
19485 "Li960R:", to avoid name clash.
19487 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19489 * loop.c (check_dbra_loop): When reversing a loop, delete all
19490 REG_EQUAL notes referencing the reversed biv except those which are
19491 for a giv based on it.
19493 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
19495 * version.c: Drop "gcc-" prefix from version #.
19497 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
19499 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
19500 the label if we're being verbose.
19502 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
19504 * m68k.c (output_function_prologue): Add pic register to mask
19505 if live and flag_pic.
19506 (output_function_epilogue): Likewise.
19508 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
19510 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
19511 directives in column zero.
19513 * pa/elf.h (ASM_FILE_START): Define.
19514 * pa/som.h (ASM_FILE_START): Include .level directives.
19515 * pa/hpux10.h (ASM_FILE_START): Delete.
19516 * pa/hpux11.h (ASM_FILE_START): Delete.
19518 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
19520 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19522 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
19523 when reload_out equals reload_in.
19525 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
19527 * invoke.texi (Spec Files): New node: Describe the contents of
19530 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
19532 * invoke.texi (DEC Alpha Options): Put @end table at
19533 beginning of line, to avoid confusing texi2html.
19535 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
19537 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
19538 introduced in previous delta.
19540 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19542 * reload1.c (gen_reload): When synthesizing a 3 operand add
19543 sequence, improve test for when to reload OP1 into the reload
19544 register instead of OP0.
19546 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
19548 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
19550 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
19552 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
19555 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
19557 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
19558 (va_dcl): Use __builtin_va_alist_t.
19560 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
19562 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
19563 on the permanent_obstack.
19564 * dwarfout.c (output_type): Likewise.
19566 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
19568 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19569 Merged from c-typeck.c and cp/typeck.c.
19570 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19571 Merged into c-common.
19573 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
19575 * c-lex.c (errorcount): Declare it.
19576 (finish_parse): Update errorcount when using CPPLIB.
19578 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
19580 * fixinc/inclhack.def(end_else_label): Double the backslash so
19581 sed gets a chance to see it.
19582 * fixinc/inclhack.sh: regen
19583 * fixinc/fixincl.x: regen
19585 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
19587 Add framework to support armv5 architecture when it becomes
19590 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
19591 (arm_arch5): New variable.
19592 (all_architectures): Add armv5 line.
19593 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
19594 -march=armv5 is specified on the command line.
19595 (arm_arch5): Export this variable.
19596 * invoke.texi: Document new string accepted by -march= switch for
19599 * config/arm/arm.h: Replace use of constant 12 as a register
19600 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19601 * config/arm/arm.c: Replace use of constant 12 as a register
19602 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19604 * config/arm/elf.h: Tidy up.
19605 * config/arm/coff.h: Tidy up.
19607 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
19609 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
19610 * gcc/config/mips/t-iris6gld: New file.
19611 * gcc/config/mips/iris6gld.h: Likewise.
19613 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
19615 * c-decl.c (widest_integer_literal_type_node,
19616 widest_unsigned_literal_type) : New.
19617 (init_decl_processing): Handle/use the two new types.
19618 * c-common.c (type_for_size,type_for_mode) : Same.
19619 * c-lex.c (yylex) : Same.
19620 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19622 * c-tree.h (widest_integer_literal_type_node,
19623 widest_unsigned_literal_type) : New.
19625 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
19627 * dwarfout.c (field_byte_offset): Correctly compute the object's
19628 byte offset for the first bit of a field which crosses an alignment
19629 boundary on a !BYTES_BIG_ENDIAN target.
19631 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
19633 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
19636 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
19637 Jeff Law <law@cygnus.com>
19639 * ginclude/varargs.h (va_dcl): Use word_mode for type of
19642 * except.c: Include intl.h.
19643 (expand_eh_return): Set current_function_cannot_inline.
19644 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
19645 * function.h (struct function): Add eh_return_stub_label.
19646 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
19647 * Makefile.in (except.o): Depend on intl.h.
19649 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
19651 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
19652 same as offsettable in cases 1 and 2.
19654 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
19656 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
19657 (extlh, extwh): Likewise.
19659 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
19661 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
19663 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
19665 * configure.in: Add arm-pe and thumb-pe targets.
19666 * configure: Regenerate.
19668 * thumb.c (arm_naked_function_p): New function: Determines if
19669 a function is naked (has no gcc generated prologue/epilogue).
19670 (is_called_in_ARM_mode): Return true if the func has the
19671 interfacearm attribute.
19672 (output_return): Do not generate a return for naked functions.
19673 (thumb_function_prologue): Do not generate a prologue for
19675 (thumb_expand_prologue): Do not generate a prologue for naked
19677 (thumb_expand_epilogue): Do not generate an epilogue for naked
19679 (arm_valid_machine_decl_attribute): New function, copied from
19680 arm.c: Permit naked and interfacearm attributes.
19682 * config/arm/pe.c: New file: Support code for arm-pe target.
19683 * config/arm/pe.h: New file: Header file for arm-pe target.
19684 * config/arm/tpe.h: New file: Header file for thumb-pe target.
19685 * config/arm/t-thumb-pe: New file: Makefile fragment for
19688 1999-07-01 Mark Kettenis <kettenis@gnu.org>
19690 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
19691 -fPIC or -fpic is specified.
19693 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
19695 * expr.c (emit_block_move): Use copy_to_mode_reg for
19696 !TARGET_MEM_FUNCTIONS case too.
19698 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
19700 * configure: Rebuilt.
19701 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
19702 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
19703 definitions made redundant by dbxelf.h inclusion. Delete
19704 lots of definitions related to assembly output that are
19705 specific to the SOM object format.
19706 * pa.c (output_function_prologue): Do not emit the function's
19708 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
19709 * pa-pro.h: Deleted.
19710 * som.h: New file with SOM specific definitions.
19711 * elf.h: New file with ELF specific definitions.
19713 * elfos.h (const_section): Output a tab before assembler directives.
19714 (ctors_section, dtors_section): Likewise.
19715 (ASM_OUTPUT_SECTION_NAME): Likewise.
19717 * pa/pa1.h: Delete unused file.
19719 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
19721 * configure.in (hppa*-hp-hpux11*): New configuration.
19722 * configure: Rebuilt.
19723 * pa/pa-hpux11.h: New file.
19724 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
19727 * mips.md (leasi, leadi): New patterns.
19729 * expr.c (emit_block_move): Properly handle case where one of the
19730 block move arguments has a queued increment or decrement.
19731 (clear_storage): Similarly. Fix formatting goof.
19733 1999-06-28 "David O'Brien" <obrien@NUXI.com>
19735 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
19736 semicolon from the BSD VA_LIST replacement expression.
19738 * fixinc/inclhack.sh: regen
19739 * fixinc/fixincl.x: regen
19741 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
19742 now use the fixincl program.
19744 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
19746 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
19747 case. Also make the PIC register call_used.
19749 * m68k.h (FINALIZE_PIC): Delete.
19750 * m68k.c (finalize_pic): Delete.
19752 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
19754 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
19757 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
19759 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
19761 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
19763 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
19765 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
19767 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
19769 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
19771 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
19773 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
19775 * rs6000.c (output_toc): Always use hex values for floating-point
19776 constants. Store single-precision values in upper-half of TOC
19777 entry in 64-bit mode.
19778 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
19779 to final constraints.
19780 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
19781 (fctiwz): Improve accuracy of RTL for pattern.
19783 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
19785 * expr.c (expand_expr): Allow RTL_EXPR's through the
19786 MAX_INTEGER_COMPUTATION_MODE checks.
19788 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
19790 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
19791 such that MASK_SUPPORT_ARCH is not negative.
19793 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
19795 * loop.c (verify_dominator): Properly handle ADDR_VEC and
19796 ADDR_DIFF_VEC insns that appear inside loops.
19798 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
19799 Jeff Law <law@cygnus.com>
19801 * rs6000.md (movdf_hardfloat32): Revert previous patch.
19802 Handle LO_SUM the same as offsettable in cases 1 and 2.
19803 * rs6000.c (find_addr_reg): Revert previous patch.
19805 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
19807 * system.h (strstr): New external function declaration.
19808 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
19809 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
19810 * config.in, configure: Rebuilt.
19812 1999-06-24 Tom Tromey <tromey@cygnus.com>
19814 * gcc.c (main): Read user-specified specs files after computing
19815 additional startfile_prefixes.
19817 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
19819 Revert these two patches:
19821 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19822 * loop.c (strength_reduce): When doing biv->giv conversion, update
19823 reg note of NEXT->insn.
19825 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19826 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
19828 (recombine_givs): Set ix field after sorting.
19830 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19832 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
19833 for the parts of an UNSPEC / UNSPEC_VOLATILE.
19835 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
19837 *fixinc/inclhack.def: Add fix development commentary
19838 (read_ret_type): reactivate and add selection clause
19839 (zzz_*): tweak output file name to match what is used in hackshell.tpl
19840 *fixinc/{fixincl.x|inclhack.sh}: regen
19842 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
19844 * expr.c (expand_expr): STRIP_NOPS before checking against
19845 MAX_INTEGER_COMPUTATION_MODE
19846 (check_max_integer_computation_mode): Likewise.
19848 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
19850 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
19852 1999-06-22 Jim Wilson <wilson@cygnus.com>
19854 * expr.c (store_expr): When target is a promoted subreg, return a
19855 promoted subreg as a result.
19857 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
19859 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
19861 (dwarf2out_define): Mark unused parameters appropriately.
19862 (gen_unspecified_parameters_die): Ditto.
19863 (gen_subprogram_die): Fix signed/unsigned warnings.
19864 (gen_variable_die): Ditto.
19866 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
19868 * fixinc/inclhack.def(end_else_label): combined else_label
19869 and endif_label and fixed the sed expression.
19870 *fixinc/{fixincl.x|inclhack.sh}: regen
19872 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
19874 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
19875 'x' when handling non-offsettable addresses
19877 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
19879 * final.c (shorten_branches): Don't try to split an insn that has
19882 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
19884 * config/mips/mips.c (symbolic_expression_p): New function.
19885 (mips_select_rtx_section): Put symbolic expressions in the
19886 data section, not the read-only data section.
19888 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
19890 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
19892 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
19894 * collect2.c (main): Log frame table count.
19895 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
19896 (scan_prog_file) [COFF]: Handle frame tables.
19898 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
19899 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
19900 * alpha/elf.h: Undef them again.
19901 * alpha/vms.h: Remove their definitions.
19903 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19905 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
19906 remove the clobber of r0 and change the REG_UNUSED note to
19909 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
19911 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
19912 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
19913 fits in HOST_WIDE_INT and one uses union to access a long constant
19916 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
19918 * sparc.c (sparc_override_options): Don't allow profiling for
19919 code models other than medlow.
19920 (sparc_function_profiler): New function from old FUNCTION_PROFILER
19921 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
19922 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
19923 (sparc_block_profiler): Likewise.
19924 (sparc_function_block_profiler_exit): Likewise.
19925 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
19926 (FUNCTION_BLOCK_PROFILER): Likewise.
19927 (BLOCK_PROFILER): Likewise.
19928 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
19929 (MCOUNT_FUNCTION): New.
19930 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
19931 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
19932 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
19933 (MCOUNT_FUNCTION): New.
19934 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
19935 (BLOCK_PROFILER): Delete.
19936 (MCOUNT_FUNCTION): New.
19938 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
19940 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
19942 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
19944 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19947 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19950 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19953 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19956 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
19958 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
19961 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
19963 * i386/djgpp.h (LIB_SPEC): New.
19964 (STARTFILE_SPEC): New.
19966 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
19968 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
19970 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
19973 * system.h (WSTOPSIG): New macro.
19975 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
19977 * c-pragma.c (push_alignment): Don't ignore alignments greater than
19979 (insert_pack_attributes): Take into account member natural
19982 * i386/winnt.c (exports_head): New static variable.
19983 (i386_pe_record_exported_symbol): New function.
19984 (i386_pe_asm_file_end): Use.
19985 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
19986 symbols to be emitted at end of assembly.
19987 (ASM_DECLARE_OBJECT_NAME): Likewise.
19988 (ASM_DECLARE_FUNCTION_NAME): Likewise.
19990 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
19993 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
19995 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
19998 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
20000 * haifa-sched.c (sched_analyze_1): Use free_list instead of
20001 zapping reg_last_uses directly.
20002 (sched_analyze_2, sched_analyze_insn): Likewise.
20003 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
20005 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
20007 * rs6000.md (movdf_hardfloat32): Use worst case insn length
20008 attributes for cases 1 and 2.
20010 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
20012 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
20015 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
20017 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
20019 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
20021 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
20022 PIC_OFFSET_TABLE_REGNUM for general alloaction.
20023 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
20024 must be stacked if it is used for PIC accesses.
20025 * arm.c (use_return_insn): Handle PIC register specially.
20026 (output_return_instruction): Likewise.
20027 (output_func_{prologue,epilogue}): Likewise.
20028 (output_expand_prologue): Likewise.
20030 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
20031 (*strsi_predec): Renamed from *strqi_predec.
20032 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
20033 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
20035 * arm.c (arm_override_options): Remove warning about PIC code
20036 not being supported.
20038 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
20040 * rs6000.c (find_addr_reg): New function.
20041 * rs6000.h (find_addr_reg): Declare.
20042 (offsettable_addr_operand): Delete.
20043 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
20044 from and stores to GPRs.
20046 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
20048 * alpha.c (alpha_expand_block_move): Use get_insns rather than
20049 gen_sequence as argument to emit_no_conflict_block.
20051 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20053 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
20054 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
20055 *fixinc/fixincl.x: regen
20056 *fixinc/inclhack.sh: regen
20058 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
20060 * added support for -mpcrel (PC relative addressing for m68k)
20061 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
20062 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
20063 * m68k.c (print_operand_address): Handle 32-bit PIC case.
20064 (comments for general_src_operand): Add some explanation
20065 about EXTRA_CONSTRAINTS.
20066 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
20067 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
20068 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
20069 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
20070 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
20071 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
20072 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
20073 if not already set.
20074 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
20075 * m68k.h (TARGET_PCREL): New target flag.
20076 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
20077 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
20078 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
20079 contains a SYMBOL_REF. Relax this constraint during reload, since
20080 we want to use the predicates, not reload's built-in concept of a
20081 valid memory address, to control what insns need reloading.
20082 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
20083 operands (essentially 'g', 'm', and 's' under normal circumstances).
20084 * m68k.c (print_operand): Cause printing of pc-relative addresses
20085 to include pc register.
20086 (print_operand_address): Ditto.
20087 (general_src_operand): Accept operands that are not only
20088 general_operands, but are also valid when used as a pc-relative
20090 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
20091 (memory_src_operand): Similar, for memory_operands.
20092 (pcrel_address): New predicate to accept the special case of a
20093 pc-relative address.
20094 * m68k.md (many patterns): Rewrite common SImode, HImode, and
20095 QImode insns to accept *_src_operand instead of *_operand where
20096 pc-relative operands can fit. For example, a pc-relative operand
20097 can be used as a memory source operand for addsi3, but not as a
20098 memory destination.
20099 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
20101 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
20103 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
20104 .thumb_set pseudo op to mark aliases of thumb functions.
20106 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
20108 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
20109 preference to ASM_OUTPUT_DEF, if it is defined.
20111 * tm.texi: Document new, optional target macro
20112 ASM_OUTPUT_DEF_FROM_DECLS.
20114 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20116 * fixincludes: ISCNTL patch
20117 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
20118 (dgux_int_varargs): new for DG/UX
20119 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
20121 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
20123 * invoke.texi (ia32 options): Fix typo.
20125 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20127 * loop.c (strength_reduce): When doing biv->giv conversion, update
20128 reg note of NEXT->insn.
20130 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
20132 * loop.c (move_movables): Note issues with replacing REGs with
20134 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
20136 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
20138 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
20140 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
20141 the reference to `mcount' was not correct for the ELF on FreeBSD.
20143 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20145 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
20148 (recombine_givs): Set ix field after sorting.
20150 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
20152 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
20153 to safe to extract a subword out of a REG.
20155 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20157 * sh.md (mulsi3): Don't add a no-op move at the end.
20159 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20161 * cse.c (cse_insn): Don't put hard register source into tables for
20162 the last insn of a libcall.
20164 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20166 * loop.c (strength_reduce): Insert sets of derived givs at every
20167 biv increment, even if it's the only one.
20169 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20171 * dwarfout.c (add_incomplete_type): New fn.
20172 (output_type): Call it.
20173 (retry_incomplete_types): New fn.
20174 (dwarfout_finish): Call it.
20176 From Eric Raskin <ehr@listworks.com>:
20177 (output_type): Output types for bases.
20179 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20181 * mips.c (mips_output_conditional_branch): Add `break'
20182 between `default' label and `close braces'.
20184 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
20186 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
20187 specifications and make it realistic.
20188 (LIB_SPEC): Likewise.
20190 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
20192 * config/mips/mips.c (mips_secondary_reload_class): Check for
20193 (PLUS (SP) (REG)) and return appropriate register class.
20194 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
20195 Handle (PLUS (SP) (REG)).
20196 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
20197 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
20198 of emit_insn for tablejump.
20200 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
20202 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
20203 asm_fprintf format string by itself.
20204 (output_function_profiler): Likewise.
20206 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
20208 * combine.c (simplify_logical, case AND): Only call
20209 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
20210 or the constant is positive.
20212 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
20214 * configure.in: Fix typo in rs6000-ibm-aix4 case.
20215 * configure: Regenerate.
20217 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
20219 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
20220 require a sub-version #.
20221 * configure: Rebuilt.
20223 1999-06-14 Robert Lipe (robertlipe@usa.net)
20225 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
20227 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
20229 * c-typeck.c (process_init_element): Detect excess elements in
20230 char array initializer.
20232 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20234 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
20236 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20238 * invoke.texi (Option Summary): Add -fpermissive flag.
20240 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
20242 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
20243 that require PIC code sequences.
20245 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
20247 * configure.in: Add new target: thumb-elf.
20248 * configure: Regenerate.
20249 * config/arm/t-thumb-elf: New file: Makefile fragment for
20251 * config/arm/telf.h: New file: Header file for thumb-elf
20254 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
20256 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
20257 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
20258 initializers is some circumstances.
20260 * fixinc/inclhack.def (endif_label): Add additional selector for
20261 more bogus stuff after #endif statements.
20262 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
20264 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
20266 * i386/cygwin.h (SET_ASM_OP): Define.
20268 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
20270 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
20272 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20274 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
20277 * sh.md (ic_invalidate_line_i): Remove second alternative.
20279 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20281 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
20282 test for the presence of valid prototypes. Delete bypass expr.
20283 (ioctl_fix_ctrl): Correct the selection expression.
20284 (no_double_slash): Correct quoting rules
20285 *fixinc/fixincl.x: regen
20286 *fixinc/inclhack.sh: regen
20288 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
20290 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
20292 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20294 * rs6000.md (movsi_got_internal_mem): Delete.
20295 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
20296 (GOT_TOC_REGNUM): Delete.
20297 (PIC_OFFSET_TABLE_REGNUM): Define.
20298 (FINALIZE_PIC): Disable.
20299 * rs6000.c (rs6000_got_register): New code for fixed pic register.
20300 (rs6000_replace_regno): Delete.
20301 (rs6000_finalize_pic): Likewise.
20302 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
20304 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20306 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
20307 is a note; use <= for the compare; advance P while it is
20310 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
20312 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
20313 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
20315 * varasm.c (remove_from_pending_weak_list): Verify t->name
20316 is non-NULL before passing it to strcmp.
20318 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20320 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
20321 the typed arguments are not part of a comment
20322 (ioctl_fix_ctrl): Added a purpose comment
20323 *fixinc/fixincl.x: regenerate
20324 *fixinc/inclhack.sh: regenerate
20326 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20328 * invoke.texi: Add C4x invocation docs.
20330 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20332 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
20334 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
20336 (c4x_legitimize_reload_address): New function.
20337 * config/c4x/c4x.md: Update docs.
20339 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
20341 * fixincludes: Avoid removing '.'.
20342 * fixinc/fixinc.svr4: Likewise.
20343 * fixinc/fixinc.winnt: Likewise.
20344 * fixinc/inclhack.tpl: Likewise.
20345 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
20347 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20349 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
20351 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
20353 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
20355 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
20358 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
20360 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
20361 * configure: Regenerate.
20363 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
20365 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
20368 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
20370 * fixinc/inclhack.def (avoid_bool): Also catch
20371 "typedef [unsigned] int bool".
20372 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
20374 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
20375 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
20376 * configure: Rebuilt.
20378 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
20380 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
20381 such that we can override its definitions if necessary.
20382 (CPP_SPEC): New define. Support processor specific predefines via
20384 (CC1_SPEC): New define. Support processor specific compiler
20385 options via %(cc1_cpu).
20386 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
20389 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20391 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
20392 between sed's -e flag, and the open-quote following it.
20393 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
20395 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
20396 Jeffrey A Law (law@cygnus.com)
20398 * varasm.c (assemble_start_function): Remove the function
20399 from the pending weak decls list when we define a function.
20400 (assemble_variable): Similarly for variables.
20401 (weak_finish): Ignore items on the list with a NULL name.
20402 (remove_from_ending_weak_list); New function to "remove" an item
20403 from the pending weak declarations list.
20405 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20407 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
20409 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
20411 * c-lex.c (GETC): Redefine to call getch.
20412 (UNGETC): Redefine to call put_back.
20413 (putback_buffer): New structure type.
20414 (putback): New static structure.
20415 (getch): New function.
20416 (put_back): New function.
20417 (yylex): Replace unused bytes from bad multibyte character.
20419 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
20421 * cpplib.c (do_define): Cast `alloca' return value.
20422 (do_include, do_undef, do_pragma): Likewise.
20423 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
20425 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
20426 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
20428 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
20430 * sparc.md (abstf2): This should be an expand.
20431 (split after abstf2_notv9): Fix mode.
20432 (abstf2_hq_v9): New pattern.
20433 (abstf2_v9): Only use when no hard quad.
20434 (absdf2_v9): Fix if target is not the same as source.
20435 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
20436 Add correct output constraints.
20438 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
20440 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
20441 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
20443 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
20445 * mips.h (mips_output_conditional_branch): New function.
20446 (mips_adjust_insn_length): Likewise.
20447 (ASSEMBLER_SCRATCH_REGNUM): New macro.
20448 (ADJUST_INSN_LENGTH): Likewise.
20449 * mips.c (print_operand): Add `F' and `W' for floating-point
20450 comparison opcodes.
20451 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
20453 (mips_adjust_insn_length): New function.
20454 (mips_output_conditional_branch): New function.
20455 * mips.md (length): Adjust attribute definition to handle
20456 conditional branches. Change lengths to bytes, rather than
20457 instructions throughout. Remove length attribute from
20458 instructions whose length is four bytes, and rely on the default
20460 (dslot): Fix typo in comment.
20461 Reword conditional branch patterns to use
20462 mips_output_conditional_branch.
20464 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
20466 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
20467 (LIB_SPEC): Likewise.
20468 Link with -lprof1_r for -g/-pg.
20470 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20472 * loop.c (check_dbra_loop): Fix change of Jan 19.
20474 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
20476 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
20477 (STARTFILE_SPEC): Define, override the svr4.h version.
20478 (ENDFILE_SPEC): Likewise.
20480 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
20482 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
20483 * fixinc/fixincl.x: Regenerated.
20484 * fixinc/inclhack.sh: Regenerated.
20486 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20488 * sh.c (barrier_align): Don't return early for normal branch/barrier
20489 when optimizing for SH2.
20491 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
20493 * i386/udk.h (LINK_SPEC): Correct linker search path for
20496 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20498 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
20499 (braf_label_ref_operand): Delete.
20500 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
20501 * sh.md (casesi_jump_2): Operand1 is now the inside of a
20502 label_ref, and has no predicate.
20503 The patten has a predicate to guard against invalid substitutions.
20504 (dummy_jump): Delete.
20505 (casesi): Update use of casesi_jump_2.
20507 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20509 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
20510 *fixinc/fixincl.x: regenerate
20511 *fixinc/inclhack.sh: regenerate
20513 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
20515 * dwarf2out.c (add_incomplete_type): New fn.
20516 (gen_struct_or_union_type_die): Call it.
20517 (retry_incomplete_types): New fn.
20518 (dwarf2out_finish): Call it.
20520 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
20522 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
20523 current block starts with a CODE_LABEL and ends with a CALL and
20524 we can not find all the argument setup instructions for the CALL.
20526 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
20528 Revert this change:
20529 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
20530 something is a candidate for optimize_bit_field_compare.
20532 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20534 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
20536 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
20538 * alpha.c (override_options): Thinko in last patch.
20540 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
20541 (LIB_SPEC): Recognize -pthread.
20543 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
20545 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
20546 definition in config/arm/coff.h
20547 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
20549 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20551 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
20552 fixes that need "file=xxx\n" prepended before invocation
20553 (start_fixer - new): starting the fixer process is complex enough
20554 to warrent its own routine. It prepends the "file=xxx\n" stuff.
20555 (process): uses the new routine; omit usage of putenv()
20556 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
20557 * fixinc/fixincl.x: regenerate
20559 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
20561 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
20562 and version #s (1.1 -> 2.96) as needed.
20563 * README.g77: Kill way out of date file in the toplevel directory.
20565 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
20567 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
20568 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
20569 * configure: Rebuilt.
20570 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
20571 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
20572 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
20573 (SWITCH_TAKES_ARG): Likewise.
20574 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
20575 * config/t-freebsd: Moved from config/i386/ so it can used for all
20578 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
20580 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
20582 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
20584 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
20585 * configure: Rebuilt.
20587 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
20589 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
20590 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
20591 * rs6000/rs6000.c (rs6000_file_start): Use putc.
20592 (rs6000_output_load_toc_table): Same.
20593 (output_prolog, output_mi_thunk): Same.
20594 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
20595 (ASM_GLOBALIZE_LABEL): Use putc.
20597 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
20599 * alpha.md (reload_*_help): New patterns and splitters.
20600 (reload_*): Use them.
20601 (mov[qh]i): Likewise.
20603 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
20605 * cccp.c (handle_directive): Handle backslash-newlines in quoted
20608 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
20610 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
20612 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
20614 * flow.c (mark_regs_live_at_end, insn_dead_p,
20615 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
20616 and HARD_FRAME_POINTER_REGNUM special treatment if reload
20617 hasn't run or the frame pointer is needed.
20618 * haifa-sched.c (attach_deaths): Likewise.
20619 * sched.c (attach_deaths): Likewise.
20621 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
20623 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
20624 calculate_can_reach_end returns nonzero.
20626 * configure.in (native gas tests): Search for an assembler in the
20627 same manner that the installed compiler will.
20628 * configure: Rebuilt.
20629 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
20631 * alias.c (find_base_term): Improve handling of addresses
20632 constructed from binary operations.
20634 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
20636 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
20638 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
20640 * function.h (cleanup_label, frame_offset): Declare.
20641 (tail_recursion_label, tail_recursion_reentry): Likewise.
20642 (arg_pointer_save_area, rtl_expr_chain): Likewise.
20643 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
20644 (tail_recursion_label, tail_recursion_reentry): Likewise.
20645 (arg_pointer_save_area, rtl_expr_chain): Likewise.
20647 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
20649 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
20651 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
20652 (MAX_OFILE_ALIGNMENT): Define.
20654 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
20656 * fixincl.c: Replace local include scheme with #includes of
20657 gansidecl.h and system.h.
20658 * procopen.c: Likewise.
20659 * server.c: Likewise.
20661 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
20663 * i386/t-dgux (EXTRA_PARTS): Add crti.o
20664 (crti.o): Add build rule and dependencies.
20665 * fixinc/fixinc.dgux: Use modified _int_varargs.h
20667 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20669 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
20670 (LIB_LINUX_SPEC): Likewise.
20671 (LIB_LINUX_SPEC): Add support for -pthread
20672 (CPP_OS_LINUX_SPEC): Likewise.
20673 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
20676 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
20678 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
20680 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
20681 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
20682 for IEEE math and CC_FCOMI.
20683 (put_jump_code): No IEEE if CC_FCOMI is set.
20685 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20687 * fold-const.c (fold_truthop): Make the field reference unsigned
20688 when converting a single bit compare.
20690 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20692 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
20694 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
20696 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
20697 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
20700 * reload.c (push_reload): Do not call remove_address_replacements
20701 when presented with identical optional reloads.
20703 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
20705 * alpha.h (MASK_FIX, TARGET_FIX): New.
20706 (MASK_*): Reorganize constants.
20707 (CPP_AM_FIX_SPEC): New.
20708 (TARGET_SWITCHES): Add FIX.
20709 (EXTRA_SPECS): Likewise.
20710 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
20711 (SECONDARY_MEMORY_NEEDED): Likewise.
20712 (REGISTER_MOVE_COST): Likewise.
20713 * alpha.c (override_options): Add FIX support. Always use
20714 ALPHA_TP_PROG for ev6.
20715 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
20716 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
20717 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
20719 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
20721 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
20722 something is a candidate for optimize_bit_field_compare.
20724 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
20726 * gcc.texi (Passes): Document branch-shortening.
20727 * invoke.texi (Debugging Options): Document the fact that `-dp'
20728 outputs length information for instructions.
20730 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
20732 * flow.c: Revert previous delta.
20734 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
20736 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
20737 FRAME_POINTER_REGNUM.
20738 (mark_set_1): Ditto.
20739 (mark_used_regs): Ditto.
20741 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
20743 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
20744 (GOT_PCREL): New macro. Define to 1 if not already defined.
20745 * arm/elf.h (GOT_PCREL): Define to 0.
20746 * arm.c (arm_finalize_pic): Take into account the setting of
20749 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
20751 * output.h (STRIP_NAME_ENCODING): Provide default definition.
20752 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
20754 * flow.c (mark_set_1): Do not record BLKmode stores as dead
20755 store elimination candidates.
20757 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
20759 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
20762 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
20764 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
20765 Add use of x-aix41-gld.
20767 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
20769 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
20770 (ASM_OUTPUT_DESTRUCTOR): Define.
20772 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
20774 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
20775 last CODE_LABEL in a loop if we have previously passed a jump
20776 to the top of the loop.
20778 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
20780 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
20781 applying Philip's patch.
20783 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
20785 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
20788 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
20790 * loop.c (strength_reduce): Grow reg_single_usage as needed.
20792 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
20794 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
20795 Also remove a useless comment.
20797 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20799 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
20801 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
20803 * collect2.c (main): Only generate import or export file and add
20804 to link arguments if non-empty. Use xmalloc not alloca.
20805 (write_{export,import}_file): Delete.
20806 (write_aix_file): New function.
20807 (locatelib): Use xmalloc not malloc.
20808 (GCC_OK_SYMBOL): Do not check type if aix64.
20810 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
20812 Based on patch by Scott Bambrough and Pat Beirne:
20813 * config/arm/arm.c (making_const_table): New variable.
20814 * config/arm/arm.h (making_const_table): Declare.
20815 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
20817 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
20818 Keep track of when we are building the constant table.
20820 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
20822 * config/arm/arm.c (arm_override_options): Fix erroneous warning
20825 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
20827 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
20830 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
20832 * tm.texi (FUNCTION_ARG): Correct description of a stack element
20835 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
20837 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
20839 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20841 * rs6000.c (output_mi_thunk): Enable full support again.
20843 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20845 * sh.h (BRANCH_COST): Define.
20847 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
20849 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
20851 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
20853 * function.c (assign_stack_local): Align stack slot propertly.
20854 (assign_outer_stack_local): Likewise.
20856 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
20858 * expr.h (lang_expand_constant): Declare.
20859 * toplev.c (lang_expand_constant): Define it.
20860 * varasm.c (output_constant): Use it.
20862 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20864 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
20865 Change function definitions to K&R style.
20867 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20869 * fixinc/fixincl.c: We must not ignore SIGCLD now.
20871 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
20873 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
20874 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
20875 (several places): omit static initialization
20876 (process): use single fd, since only the read fd is used
20877 * fixinc/gnu-regex.c: define 'const' away, if not supported
20878 * fixinc/procopen.c(several places): omit static initialization
20879 * fixinc/server.c: define 'volitile' away, if not supported
20881 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20883 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
20884 asm_fprintf and %L to generate the label name.
20885 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
20886 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
20888 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
20890 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
20891 insn for a conditional jump can not be found.
20893 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
20895 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
20896 on variables in specific sections other than .sbss and .sdata.
20898 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
20900 * stmt.c (expand_return): Call start_cleanup_deferral and
20901 end_cleanup_deferral around conditional code.
20903 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20905 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
20906 filename lists. Utilizes new "krstr" AutoGen function.
20907 * fixinc/fixincl.x: Rebuilt.
20909 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
20911 * i386.c (output_float_compare): Avoid GNU-C extensions.
20913 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
20915 * version.c: Bump to distinguish mainline tree from the
20918 See ChangeLog.1 for earlier changes.