1 2000-03-18 Mark Mitchell <mark@codesourcery.com>
3 * expr.c: Include intl.h.
5 2000-03-18 Richard Henderson <rth@cygnus.com>
7 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
9 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11 * tree.h (tree_index): Remove enumerals for integer types.
12 (integer_type_kind): New type.
13 (integer_types): New variable.
14 (char_type_node): Adjust.
15 (signed_char_type_node): Likewise.
16 (unsigned_char_type_node): Likewise.
17 (short_integer_type_node): Likewise.
18 (short_unsigned_type_node): Likewise.
19 (integer_type_node): Likewise.
20 (unsigned_type_node): Likewise.
21 (long_integer_type_node): Likewise.
22 (long_unsigned_type_node): Likewise.
23 (long_long_integer_type_node): Likewise.
24 (long_long_unsigned_type_node): Likewise.
25 * tree.c (integer_types): New variable.
26 (init_obstacks): Register it as a root.
28 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
30 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
31 NEXT_INSN. Update last insn in chain.
33 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
35 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
36 with TYPE_DECL_SUPPRESS_DEBUG set.
38 2000-03-18 Richard Henderson <rth@cygnus.com>
40 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
42 2000-03-18 Richard Henderson <rth@cygnus.com>
44 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
46 (expander_call_insn_operand): Remove.
47 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
48 * i386.h (PREDICATE_CODES): Update.
49 * i386.md (all call expanders): Remove predicates, remove special
50 handling for half-pic.
51 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
52 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
53 (sibcall_epilogue): New.
55 2000-03-17 Richard Henderson <rth@cygnus.com>
57 * rtlanal.c (single_set): Reject if the parallel has anything
58 except SET or USE or CLOBBER.
60 2000-03-17 Jeff Law <law@cygnus.com>
61 Richard Henderson <rth@cygnus.com>
63 * Makefile.in (OBJS): Add sibcall.o.
65 * sibcall.c: New file.
66 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
67 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
68 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
69 Emit sibcall patterns when requested. Update all callers.
70 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
71 elimination seems feasable.
72 * final.c (leaf_function_p): Sibling calls don't discount being
74 * flow.c (HAVE_sibcall_epilogue): Provide default.
75 (find_basic_blocks_1): Sibling calls don't throw.
76 (make_edges): Make edge from sibling call to EXIT.
77 (propagate_block): Don't remove sibcall_epilogue insns.
78 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
79 (sibcall_epilogue): New.
80 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
81 (identify_blocks_1): Likewise. Break out from ...
82 (identify_blocks): ... here.
83 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
84 (reorder_blocks): ... here.
85 (init_function_for_compilation): Zap prologue/epilogue as varrays.
86 (record_insns): Extend a varray instead of mallocing new memory.
87 (contains): Read a varray not array of ints.
88 (sibcall_epilogue_contains): New.
89 (thread_prologue_and_epilogue_insns): Emit and record
90 sibcall_epilogue patterns.
91 (init_function_once): Allocate prologue/epilogue varrays.
92 * genflags.c (gen_insn): Treat sibcall patterns as calls.
93 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
95 (save_for_inline_nocopy): ... here.
96 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
98 (expand_inline_function): ... here.
99 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
100 (subst_constants): Handle 'n' formats.
101 * jump.c (jump_optimize_minimal): New.
102 (jump_optimize_1): New arg `minimal'; update callers. Elide most
103 optimizations if it's set.
104 * rtl.c (copy_rtx): Do copy jump & call for insns.
105 * rtl.h (struct rtx_def): Document use of jump and call for insns.
106 (SIBLING_CALL_P): New.
107 (sibcall_use_t): New.
108 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
109 Invoke optimize_sibling_and_tail_recursive_calls.
110 * tree.c (lang_safe_for_unsave): New.
111 (safe_for_unsave): New.
112 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
114 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
115 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
116 (*sibcall_osf_1, *sibcall_value_osf_1): New.
118 2000-03-17 Mark Mitchell <mark@codesourcery.com>
120 * objc/objc-act.c (encode_method_prototype): Pass types, not
121 PARM_DECLs, to int_size_in_bytes.
123 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
125 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
127 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
128 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
130 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
132 * Clean up usages of TREE_INT_CST_LOW.
133 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
134 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
136 * c-tree.h (min_precision): Move declaration to here.
137 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
138 (build_unary_op, add_pending_init): Use bit_position.
139 (pending_init_member, process_init_element): Likewise.
140 (really_start_incremental_init, push_init_level, pop_init_level):
141 Don't make copies of nodes or modify them in place, use consistent
142 types when tracking positions, and use tree routines computations.
143 (set_init_index, output_init_element): Likewise.
144 (output_pending_init_elements, process_init_element): Likewise.
145 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
146 tree_low_cst and int_bit_position; also minor cleanup.
147 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
148 (print_cst_octal): Precision is unsigned.
149 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
150 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
151 (simple_type_align_in_bits): Result is unsigned int.
152 Use tree_int_low_cst and host_integerp.
153 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
154 (field_byte_offset): Result is HOST_WIDE_INT.
155 Change types of internal variables so alignments are unsigned int,
156 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
157 Use host_integerp, tree_low_cst, and int_bit_position.
158 (add_bit_offset_attribute): Likewise.
159 (add_data_member_location_attribute): Use tree_cst_low.
160 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
161 (add_bit_size_attribute): Use tree_low_cst.
162 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
163 * dwarfout.c: Similar changes to dwarf2out.c.
164 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
165 * genoutput.c (n_occurences): Return -1 for null string.
166 (strip_whitespace): Accept null string and make into function.
167 (scan_operands): Reflect above changes.
168 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
169 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
170 * ssa.c (rename_registers): Add missing cast of arg to bzero.
171 * tree.c (int_size_in_bytes): Check for too big to represent.
172 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
173 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
175 (min_precision): Delete from here.
176 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
177 and int_bit_position.
178 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
179 (encode_method_def): Likewise.
180 (build_ivar_list_initializer): Use int_bit_position.
181 (generate_shared_structures): Convert size.
182 (encode_type, encode_complete_bitfield): Use integer_zerop.
183 (encode_bitfield): Use tree_low_cst and int_bit_position.
185 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
187 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
189 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
191 * call.c (special_function_p): It is only malloc if it returns
194 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
196 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
197 (C33_FLAG, TARGET_C3X): Add macros.
198 (TARGET_SWITCHES): Add -m33 option.
199 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
201 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
203 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
204 (PARALLEL_PACK_FLAG): Delete.
205 (TARGET_SWITCHES): Update.
206 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
208 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
210 * fold-const.c (fold): Fix a few cases when the returned result
211 is not of the same type as the input.
213 2000-03-16 Nick Clifton <nickc@cygnus.com>
215 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
218 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
220 * libgcc2.h: Move prototypes above macros with the same name.
221 Wrap some function prototypes in the conditional which indicates
222 whether they are supported, i.e. "BITS_PER_UNIT == 8".
224 2000-03-16 Richard Henderson <rth@cygnus.com>
226 * calls.c: Revert last two changes.
228 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
230 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
231 has exponent 0 is a zero.
233 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
234 HASH may already be nonzero. Add code/mode into hash value
235 immediately after repeat label.
236 (cselib_lookup): Don't leave the hash table in an inconsistent
237 state before a hash lookup operation.
239 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
241 * i386.md (all HI and QI mode non-move patterns): Conditionize
242 by TARGET_[HQ]IMODE_MATH.
243 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
244 x86_promote_qi_regs): Declare.
245 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
246 TARGET_PROMOTE_QI_REGS): New macros.
247 (PROMOTE_MODE): New macro.
248 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
249 x86_promote_qi_regs): New global variables.
251 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
253 * calls.c (emit_library_call_value_1): Break out from ...; handle
254 VOIDmode function calls too.
255 (emit_library_call_value): ... here.
256 (emit_library_call): Implement by calling emit_library_call_value_1.
258 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
260 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
261 Update arg_space_so_far on stack adjustments.
262 (emit_library_call, emit_library_call_value): Likewise; take into
263 account arg_space_so_far and pending_stack_adjust when calculcating
266 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
268 * flow.c: Move all basic block reordering code into its own file.
269 (create_basic_block): Externalize.
270 * bb-reorder.c: New file. Copy all basic block reordering code from
272 (reorder_basic_blocks): Fix fencepost error in for-loop.
273 (reorder_basic_blocks): Remove braces from single statement for-loops.
274 * basic-block.h: Add declaration for create_basic_block.
275 * Makefile.in: Add rules for bb-reorder.o.
277 2000-03-16 Neil Booth <NeilB@earthling.net>
279 * cppinit.c (handle_option): Implement #unassert directive
280 as -A- command line option.
281 (print_help): Update.
284 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
286 * md.texi (Standard Names): Document `jump'.
288 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
290 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
293 2000-03-15 Geoff Keating <geoffk@cygnus.com>
295 See the ChangeLog on the branch for more details.
297 * configure.in: Merge in changes from newppc-branch.
298 * configure: Regenerate.
299 * config/rs6000/*: Merge in changes from newppc-branch.
300 Also correct copyright notices.
302 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
304 * acconfig.h (HAVE_GAS_WEAK): New define.
305 * configure.in (assembler weak support): Check for .weak support.
306 * config.in, configure: Rebuilt.
307 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
308 HAVE_GAS_WEAK is defined.
310 2000-03-15 Nick Clifton <nickc@cygnus.com>
312 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
315 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
317 * cppfiles.c (open_include_file): New function.
318 (find_include_file, cpp_read_file): Use it.
320 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
322 * cpphash.c (dump_hash_helper): Take the slot, not the element.
324 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
326 * flow.c (verify_flow_info): Check for unconditional return.
328 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
330 * config/ia64/ia64.md (restore_stack_nonlocal): New.
331 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
332 (__ia64_restore_stack_nonlocal): New.
333 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
335 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
337 * cpphash.c (collect_formal_parameters): Do not complain about
338 parameter names that just start with `__VA_ARGS__'.
340 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
342 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
343 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
344 * i386.c (pentiumpro_cost): Set mul cost to 4.
345 (x86_use_movx): Set for PPro.
347 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
349 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
350 STACK_BOUNDARY for empty frames now.
352 2000-03-14 Mark Mitchell <mark@codesourcery.com>
354 * stor-layout.c (layout_union): Remove.
355 (layout_union_field): New function, split out from layout_union.
356 (finish_union_layout): Likewise.
357 (layout_field): Handle unions by calling layout_union_field.
358 (finish_record_layout): Handle unions.
359 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
360 QUAL_UNION_TYPE handling.
362 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
364 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
365 end of basic block is jump_insn, not barrier; use create_basic_block
366 instead of creating basic block by hand.
368 2000-03-14 Jason Eckhardt <jle@cygnus.com>
370 * flow.c (reorder_basic_blocks): Account for barriers when writing
371 over NEXT_INSN (last_bb->end).
372 (verify_flow_info): Add check for missing barriers.
374 2000-03-14 Greg McGary <gkm@gnu.org>
376 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
377 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
378 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
379 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
380 __unbounded, __unbounded__): New keywords.
381 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
382 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
383 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
385 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
387 * cselib.h: New file.
388 * alias.c: Include "cselib.h".
389 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
390 MEMs as two new arguments.
391 (get_addr): New static function.
392 (find_base_term): Handle VALUEs.
393 (memrefs_conflict_p): Likewise.
394 (true_dependence): Call get_addr on the addresses.
395 Call fixed_scalar_and_varying_struct_p with addresses that have been
396 passed through get_addr and canon_rtx.
397 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
398 with true_dependence.
399 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
400 * loop.c: Include "cselib.h".
401 (load_mems): Process extended basic block that enters the loop with
402 cselib. Use that information to change initialization of the shadow
403 register so that a constant equivalence is seen by later passes.
404 * reload1.c: Include "cselib.h".
405 (reload_cse_invalidate_regno): Delete function.
406 (reload_cse_mem_conflict_p): Likewise.
407 (reload_cse_invalidate_mem): Likewise.
408 (reload_cse_invalidate_rtx): Likewise.
409 (reload_cse_regno_equal_p): Likewise.
410 (reload_cse_check_clobber): Likewise.
411 (reload_cse_record_set): Likewise.
412 (reg_values): Delete static variable.
413 (invalidate_regno_rtx): Likewise.
414 (reload_cse_delete_noop_set): New static function.
415 (reload_cse_simplify): New static function, broken out of
417 (reload_cse_noop_set_p): Delete unused argument INSN.
418 Just call rtx_equal_for_cselib_p on set source and destination.
419 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
420 reload_cse_delete_noop_set. Delete code to keep track of values; use
421 cselib functions instead. Delete code to push/pop obstacks.
422 (reload_cse_simplify_set): Use cselib to find equivalent values.
423 Delete code to push/pop obstacks.
424 (reload_cse_simplify_operands): Likewise.
425 * rtl.def (VALUE): New rtx code.
426 * rtl.h (union rtunion_def): New elt rt_cselib.
427 (X0CSELIB, CSELIB_VAL_PTR): New macros.
428 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
429 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
430 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
431 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
432 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
433 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
434 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
435 cselib_record_set, cselib_record_sets): New static functions.
436 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
437 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
438 references_value_p): New functions.
439 (MAX_USELESS_VALUES, REG_VALUES): New macros.
440 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
441 n_useless_values, reg_values, callmem, cselib_obstack,
442 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
443 New static variables.
444 * varray.h (union varray_data_tag): New elt te.
445 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
446 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
449 2000-03-14 Nick Clifton <nickc@cygnus.com>
451 * gcc.c (do_spec_1): Catch the case where %* is used in a
452 substitution pattern, but it has not been initialised.
453 Issue a meaningful error message if an unrecognised operator
454 is encountered in a spec string.
456 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
458 * function.c (prepare_function_start): Correctly initialize
459 cfun->stack_alignment_needed.
461 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
463 * cppfiles.c (find_include_file): Don't assume nshort is a
466 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
468 * configure.in (hppa configurations): Add pa32-regs.h to the
469 list of tm files as appropriate.
470 * configure: Rebuilt.
471 * pa.c (compute_frame_size): Remove explicit knowledge about FP
473 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
474 (fmpyaddoperands, fmpysuboperands): Likewise.
475 * pa.h: Remove various definitions which depend on knowing
476 how registers are numbered.
477 * pa32-regs.h: New file with PA32 register numbering specific
480 2000-03-14 Richard Henderson <rth@cygnus.com>
482 * regmove.c (combine_stack_adjustments): New.
483 (stack_memref_p, single_set_for_csa): New.
484 (free_csa_memlist, record_one_stack_memref): New.
485 (try_apply_stack_adjustment): New.
486 (combine_stack_adjustments_for_block): New.
487 * rtl.h (combine_stack_adjustments): Declare.
488 * toplev.c (rest_of_compilation): Call it.
490 * i386.md: Revert 2000-01-16 change.
492 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
494 * gccbug.in: Add web category, gcc specific classes.
496 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
498 * stor-layout.c (finalize_record_size): Fix typo.
500 2000-03-14 Stan Shebs <shebs@apple.com>
502 * c-typeck.c (c_alignof): Error on incomplete types.
503 * extend.texi (Alignment): Document this.
505 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
507 * cppfiles.c: Include mkdeps.h.
508 (find_include_file, read_include_file): Remove _cpp_ prefix
509 from name, make static.
510 (_cpp_execute_include): New function, broken out of
513 * cpplib.c: Don't include mkdeps.h.
514 (struct directive): Remove type field. Reorder entries. The
515 function takes only one argument.
516 (struct if_stack): Make type field an int.
517 (directive_table): Rename to dtable. Generate it, the
518 prototypes of the directive handlers, and the enum for the
519 directive numbers, from a template macro.
520 (do_ifndef, do_include_next, do_import): New functions.
521 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
522 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
523 do_ident, do_assert, do_unassert, do_sccs): Take only one
525 (do_sccs): Define always, but alter behavior based on
527 (_cpp_handle_directive, consider_directive_while_skipping):
528 Restructure for new directive table layout.
530 (pass_thru_directive): Take a directive number, not a pointer
531 to a struct directive.
532 (parse_include): New function, broken out of do_include.
533 (do_include, do_import, do_include_next): Use parse_include
534 and _cpp_execute_include.
535 (do_elif, do_else): Test for T_ELSE specifically when checking
536 for #elif/#else after #else.
537 (parse_ifdef): New function, broken out of do_ifdef.
538 (validate_else): Expect a name arg without a leading #.
539 (if_directive_name): Delete.
540 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
541 directive handlers with only one argument.
543 * cpphash.h: Update prototypes.
544 (enum node_type): Remove entries for directives.
545 * Makefile.in: Update dependencies.
547 * cpphash.c (dump_hash_helper): Only dump nodes of type
548 T_MACRO. Emit a newline after each definition.
550 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
552 * gccbug.in: New file.
553 * configure.in (all_outputs): Add gccbug.
554 * Makefile.in (install-common): Install gccbug.
555 (GCCBUG_INSTALL_NAME): New variable.
556 * configure: Rebuilt.
558 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
560 * function.c (put_var_into_stack): Use type_for_mode to calculate
561 part_type. Use MEM_SET_IN_STRUCT_P.
562 * expr.c (store_field): Handle CONCAT.
563 (store_constructor): Use fields_length.
564 * tree.c (fields_length): New fn.
565 * tree.h: Declare it.
567 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
569 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
570 (cpplex.o): New target.
571 * po/POTFILES.in: Add cpplex.c.
573 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
574 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
575 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
576 skip_block_comment, skip_line_comment, skip_comment,
577 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
578 _cpp_parse_name, skip_string, parse_string,
579 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
580 _cpp_get_directive_token, find_position,
581 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
582 (maybe_macroexpand, _cpp_lex_token): New functions.
584 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
585 parse_goto_mark): Delete.
586 (_cpp_handle_eof): New function.
587 (_cpp_handle_directive): Rename from handle_directive.
588 (_cpp_output_line_command): Rename from output_line_command.
589 (do_if, do_elif): Call _cpp_parse_expr directly.
590 * cppfiles.c (_cpp_read_include_file): Don't call
591 init_input_buffer here.
592 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
593 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
594 here; pop the token_buffer and skip the rest of the line here.
595 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
598 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
600 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
601 CPP_GOTO_MARK): New macros.
602 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
603 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
604 _cpp_read_and_prescan, _cpp_init_input_buffer,
605 _cpp_grow_token_buffer, _cpp_get_directive_token,
606 _cpp_handle_directive, _cpp_handle_eof,
607 _cpp_output_line_command): Prototype them here.
608 * cpplib.h (enum cpp_token): Add CPP_MACRO.
609 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
610 quote_string, output_line_command): Remove.
612 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
614 * stmt.c (expand_end_case): RANGE may be signed, and when checking
615 whether it is too large we must also verify that it isn't negative.
617 2000-03-13 Jakub Jelinek <jakub@redhat.com>
619 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
620 (movsi_zero_liveg0): Remove.
621 (movsf_insn_novis_liveg0): Remove.
623 (negsi2_not_liveg0): Rename to negsi2.
624 (one_cmplsi2): Remove.
625 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
626 (one_cmplsi2_liveg0): Remove.
627 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
628 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
629 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
630 (PREDICATE_CODES): Remove zero_operand.
631 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
632 TARGET_BROKEN_SAVERESTORE.
633 (zero_operand): Remove.
634 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
635 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
637 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
638 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
639 TARGET_BROKEN_SAVERESTORE): Remove.
640 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
642 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
644 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
647 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
649 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
651 * cpplib.c (do_pragma_implementation): Fix off-by-one error
652 truncating a string. Don't assume tokens are nul terminated.
653 Problem noted by Andreas Jaeger <aj@suse.de>
655 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
657 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
658 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
659 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
661 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
663 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
664 STRUCTURE_SIZE_BOUNDARY.
666 2000-03-13 Mark Mitchell <mark@codesourcery.com>
668 * tree.h (record_layout_info_s): New structure.
669 (record_layout_info): New type.
670 (new_record_layout_info): New function.
671 (layout_field): Likewise.
672 (finish_record_layout): Likewise.
673 * stor-layout.c (layout_record): Remove.
674 (new_record_layout_info): New function.
675 (layout_field): New function, broken out from layout_record.
676 (finalize_record_size): Likewise.
677 (compute_record_mode): Likewise.
678 (finalize_type_size): New function, broken out from layout_type.
679 (finish_record_layout): Likewise.
680 (layout_type): Use them.
682 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
684 * cpphash.c: Don't include version.h.
685 (special_symbol) [case T_VERSION]: Look for the string in
686 hp->value.cpval; don't use version_string.
687 * cppinit.c (initialize_builtins): Set hp->value.cpval for
688 __VERSION__ to version_string.
689 * Makefile.in (cpphash.o): Update deps.
691 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
693 Convert cpplib to use libiberty/hashtab.c.
695 * cpplib.h (struct cpp_reader): Make hashtab and
696 all_include_files of type 'struct htab *'. Delete HASHSIZE
697 and ALL_INCLUDE_HASHSIZE macros.
699 * cpphash.h: Update prototypes.
700 (struct hashnode): Remove next, prev, and bucket_hdr members.
701 Make length a size_t. Add hash member.
702 (struct ihash): Remove next member. Add hash member. Make
703 name a flexible array member.
705 * cppfiles.c: Include hashtab.h.
706 (include_hash): Delete.
707 (IHASHSIZE): New macro.
708 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
709 (cpp_included): Do the hash lookup here.
710 (_cpp_find_include_file): Rewrite.
711 (cpp_read_file): Put the "fake" hash entry into the hash
712 table. Honor the control_macro, if it turns out we've seen
713 the file before. Don't push the buffer here.
714 (_cpp_read_include_file): Push the buffer here.
715 (OMODES): New macro. Use it whenever we call open(2).
717 * cpphash.c: Include hashtab.h.
718 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
719 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
720 _cpp_lookup_slot): New functions.
721 (HASHSIZE): new macro.
722 (hashf, _cpp_install, _cpp_delete_macro): Delete.
723 (_cpp_lookup): Use hashtab.h routines.
725 * cppinit.c: Include hashtab.h.
726 (cpp_reader_init): Call _cpp_init_macro_hash and
727 _cpp_init_include_hash. Don't allocate hashtab directly.
728 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
729 pfile->all_include_files.
730 (initialize_builtins): Use _cpp_make_hashnode and
731 htab_find_slot to add hash entries.
732 (cpp_finish): Just call _cpp_dump_macro_hash.
733 * cpplib.c: Include hashtab.h.
734 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
736 (do_pragma_poison, do_assert): Likewise.
737 (do_include): Don't push the buffer here. Don't increment
738 system_include_depth unless _cpp_read_include_file succeeds.
739 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
741 (do_pragma_implementation): Use alloca to create copy.
743 * Makefile.in: Update dependencies.
745 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
747 * cppinit.c (cl_directive_handler): More K&R fixing.
749 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
751 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
753 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
755 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
757 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
758 Change from char[] to macros.
760 2000-03-12 Neil Booth <NeilB@earthling.net>
762 * cppinit.c (cpp_start_read): Update indirect function
765 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
767 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
770 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
771 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
773 2000-03-11 Neil Booth <NeilB@earthling.net>
775 * cppinit.c (struct pending option): Replace undef with a
776 pointer to a directive handling routine.
777 (struct cpp_pending): Replace separate assert_ and define_
778 lists with one directive_ list.
779 (new_pending_define): Rename new_pending_directive. Extra
780 argument is the directive's handling routine.
781 (handle_option): Update to use new_pending_directive.
783 2000-03-11 Neil Booth <NeilB@earthling.net>
785 * cppfiles.c (file_cleanup, _cpp_find_include_file,
786 remap_filename, _cpp_read_include_file, actual_directory,
787 hack_vms_include_specification): Replace bcopy(), index() etc
788 calls. Add casts to some allocations. Make some variables
789 pointers to const [unsigned] char.
790 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
791 collect_formal_parameters): Similarly.
792 * cppinit.c (struct pending_option, append_include_chain,
793 cpp_options_init, cpp_reader_init, initialize_standard_includes,
794 cpp_start_read, new_pending_define, handle_option): Similarly.
795 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
796 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
797 do_pragma_implementation, detect_if_not_defined,
798 do_ifdef, skip_if_group, cpp_get_token, parse_string,
799 do_assert, do_unassert): Similarly.
800 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
802 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
804 2000-03-10 Richard Henderson <rth@cygnus.com>
806 * builtins.c (expand_builtin_strlen): Revert last change.
807 Use emit_insn_before if we're at the beginning of a sequence.
809 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
811 * builtins.c (expand_builtin_strlen): Make sure that we have something
812 at the beginning of the sequence.
814 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
817 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
819 2000-03-10 Richard Henderson <rth@cygnus.com>
821 * except.c (can_throw): Use INTVAL on a CONST_INT.
822 (reachable_handlers): Likewise.
823 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
825 2000-03-10 Andreas Jaeger <aj@suse.de>
827 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
828 MD_STARTFILE_PREFIX since those are not needed on linux.
829 (ASM_FILE_START): New, from mips/gnu.h.
831 2000-03-09 Richard Henderson <rth@cygnus.com>
832 Alex Samuel <samuel@codesourcery.com> and others
834 * Makefile.in (ssa.o): New rule.
836 (STAGESTUFF): Add *.ssa and *.ussa.
837 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
838 * rtl.def (PHI): New RTL expression.
839 * rtl.h (clear_log_links): New declaration.
840 (convert_to_ssa): Likewise.
841 (convert_from_ssa): Likewise.
842 * flow.c (split_edge): If the entry node falls through to the
843 split edge's source block, split the entry edge.
844 (clear_log_links): New function.
845 * toplev.c (ssa_dump): New variable.
846 (flag_ssa): Likewise.
847 (f_options): Add "ssa".
848 (compile_file): Create SSA dump files.
849 (rest_of_compilation): Go to and from SSA if enabled.
850 (decide_d_option): Handle -de for SSA dump files.
853 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
855 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
858 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
860 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
862 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
864 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
865 (MD_STARTFILE_PREFIX_1): New macro.
867 2000-03-09 Robert Lipe <robertl@sco.com>
869 * config/ia64/ia64.c: Include system.h.
871 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
873 * except.c (nothrow_function_p): If -fno-exceptions, just return.
874 (init_eh_nesting_info): Likewise.
876 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
877 (TREE_NOTHROW): Rename from TREE_RAISES.
878 * toplev.c (rest_of_compilation): Set it.
879 * print-tree.c (print_node): Adjust.
880 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
881 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
882 * calls.c (emit_call_1): Add 'nothrow' parm. Add
883 REG_EH_REGION note as appropriate.
884 (libfunc_nothrow): New fn.
885 (emit_library_call, emit_library_call_value): Use it.
886 (expand_call): Check TREE_NOTHROW.
888 * varasm.c (make_decl_rtl): Skip initial '*' when setting
891 2000-03-09 Andreas Jaeger <aj@suse.de>
893 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
894 (TARGET_MEM_FUNCTIONS): Define.
896 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
898 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
900 * except.c (can_throw): See through a SEQUENCE.
901 (nothrow_function_p): New fn.
902 * except.h: Declare it.
903 * function.c (current_function_nothrow): New var.
904 (prepare_function_start): Initialize it.
905 * output.h: Declare it.
906 * toplev.c (rest_of_compilation): Set it.
907 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
909 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
911 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
912 match. (cpp_compare_defs): Count the nul separator when
913 advancing over argument names.
915 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
917 * recog.c (preprocess_constraints): Matching constraints affect
918 same alternative/different operand, not same operand/different
921 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
922 register and a constant specially.
924 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
926 * libgcc2.h: New file.
927 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
929 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
931 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
932 * configure: Regenerate.
935 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
937 * Makefile.in (LIBCPP_DEPS): New macro.
938 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
940 * cpperror.c: Include cpphash.h.
941 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
943 (lex): Don't use CPP_WARN_UNDEF.
944 (_cpp_parse_expr): Return an int, the truth value.
945 * cppfiles.c: Include cpphash.h.
946 (_cpp_merge_include_chains): Move to cppinit.c and make static.
947 * cppinit.c (include_defaults_array): Disentangle.
948 (cpp_cleanup): Don't free the if stack here.
949 (cpp_finish): Pop off all buffers, not just one.
950 * cpplib.c (eval_if_expr): Return int.
951 (do_xifdef): Rename do_ifdef.
952 (handle_directive): Don't use CPP_PREPROCESSED.
953 (cpp_get_token): Don't use CPP_C89.
954 * fix-header.c: Don't use CPP_OPTIONS.
956 * cpplib.h: Move U_CHAR, enum node_type, struct
957 file_name_list, struct ihash, is_idchar, is_idstart,
958 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
959 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
960 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
961 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
962 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
963 of _cpp_simplify_pathname, _cpp_find_include_file,
964 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
965 Move struct if_stack to cpplib.c. Move struct cpp_pending to
967 Change all uses of U_CHAR to be unsigned char instead.
968 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
970 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
972 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
973 (dwarf2out_begin_prologue): Set it.
974 (output_call_frame_info): Don't emit EH unwind info for leaves.
976 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
977 can occur outside of an EH region.
978 * except.c: Correct comments about rethrow behavior.
979 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
981 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
983 * flow.c (make_edges): Always call make_eh_edge for calls.
985 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
987 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
988 (struct cpp_buffer): Remove fname and underflow fields.
989 (struct cpp_reader): Remove get_token field.
990 (struct include_hash): Rename to struct ihash. Add typedef to
992 (struct if_stack): Remove fname field.
993 (IF_STACK_FRAME): Rename to IF_STACK.
995 * cpperror.c (print_containing_files): Trust that there are no
996 macro buffers below the top file buffer.
997 * cppfiles.c: Replace all references to 'struct include_hash'
998 with 'IHASH'. Rename initialize_input_buffer to
999 init_input_buffer. Don't set or reference cpp_buffer->fname,
1000 use buffer->ihash->name instead.
1001 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
1002 not CPP_NULL_BUFFER.
1003 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
1004 IF_STACK_FRAME, IHASH not struct include_hash.
1005 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
1006 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
1007 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
1008 references to cpp_buffer->fname (delete entirely, or use
1009 ->ihash->name instead) and IF_STACK->fname.
1010 (cpp_push_buffer): Don't set new->underflow.
1011 (do_include): Use cpp_file_buffer.
1013 * cpphash.c (collect_formal_parameters): Remove duplicate
1014 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
1015 used as a macro argument name. Don't append "..." to namebuf
1016 for varargs macros. After we're done scanning, go through
1017 namebuf and make it NUL separated, not comma separated.
1018 (_cpp_compare_defs): Remove register tag from variables.
1019 Expect defn->argnames to be NUL separated.
1020 (_cpp_dump_definition): Expect defn->argnames to be NUL
1021 separated and in forward order.
1022 * cpphash.h: Update documentation of argnames field.
1024 2000-03-08 Richard Henderson <rth@cygnus.com>
1026 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
1027 to fail. Don't pre-expand the source operand.
1029 * i386.md (strlensi): Initialize eoschar and align before use.
1031 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
1033 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
1034 CONSTRUCTOR element.
1036 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
1038 * mips.c (mips_expand_prologue): If the last
1039 named argument is the vararg marker "va_list", treat it as
1040 an unnamed argument.
1042 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
1044 * dbxout.c (dbxout_parms): When correcting for promoted
1045 big-endian parameters, use the mode of the DECL_RTL rather
1046 than UNITS_PER_WORD.
1048 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
1050 * c-common.h (make_fname_decl): Declare.
1051 * c-common.c (make_fname_decl): Define.
1052 (declare_hidden_char_array): Remove.
1053 (declare_function_name): Use make_fname_decl.
1054 * c-decl.c (c_make_fname_decl): New function.
1055 (init_decl_processing): Set make_fname_decl.
1057 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
1059 * cccp.c (handle_directive): Initialize backslash_newlines_p.
1061 2000-03-07 Philipp Thomas <pthomas@suse.de>
1063 * po/POTFILES.in: Remove cppalloc.c from file list.
1065 2000-03-07 Steve Chamberlain <sac@pobox.com>
1067 * pj.c (pj_expand_prologue): current_function->args_info is
1068 now current_function_args_info.
1070 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
1071 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
1072 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
1074 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1076 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
1077 output as hexadecimal rather than the default octal.
1079 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
1081 * cpphash.c (special_symbol): Fix thinko in previous commit.
1083 2000-03-07 Neil Booth <NeilB@earthling.net>
1085 * cppexp.c (struct operation, left_shift, right_shift,
1086 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
1087 "int"s to "unsigned int"s.
1088 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
1090 * cpplib.h: Update for above.
1091 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
1092 returned from allocations.
1094 * cppinit.c (opt_comp, parse_options): New functions.
1095 (handle_option): Use parse_option to parse a single command
1096 line option, that possibly takes an argument.
1097 (cpp_handle_options): Sort the array of command line options on
1098 first invocation (non-ASCII hosts only).
1099 (print_help): Update.
1101 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
1103 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
1104 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
1106 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
1108 * cppinit.c (cpp_cleanup): Free imp->nshort also.
1110 * cpperror.c (cpp_print_containing_files,
1111 cpp_print_file_and_line, v_cpp_message): Rename to
1112 print_containing_files, print_file_and_line, and v_message.
1113 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
1114 to _cpp_parse_expr, parse_escape, and lex.
1115 (parse_charconst): Remove broken multibyte support.
1116 * cppfiles.c (include_hash): Make static.
1117 (cpp_included): New function.
1118 (merge_include_chains, find_include_file, finclude,
1119 simplify_pathname): Rename to _cpp_merge_include_chains,
1120 _cpp_find_include_file, _cpp_read_include_file, and
1121 _cpp_simplify_pathname.
1122 * cpphash.c (cpp_lookup, free_definition, delete_macro,
1123 cpp_install, create_definition, macroexpand, compare_defs,
1124 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
1125 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
1126 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
1127 * cppinit.c (cpp_handle_option): Rename to handle_option, make
1129 * cpplib.c: Remove extern prototype of cpp_parse_expr.
1131 * cpphash.h: Update prototypes.
1132 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
1134 2000-03-07 Andrew Haley <aph@cygnus.com>
1136 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
1137 PTRDIFF_TYPE should be based solely on Pmode.
1140 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1142 * rtl.h (rtunion_def): Constify member `rtstr'.
1143 (emit_line_note_after, emit_line_note, emit_line_note_force,
1144 emit_note, decode_asm_operands): Constify.
1146 * cse.c (canon_hash): Likewise.
1148 * dbxout.c (dbxout_block): Likewise.
1150 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
1151 v_warning_for_asm): Likewise.
1153 * dwarfout.c (function_start_label): Likewise.
1155 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
1156 emit_line_note_force): Likewise.
1158 * final.c (last_filename, asm_insn_count, final_scan_insn,
1159 output_source_line): Likewise.
1161 * function.h (struct emit_status): Likewise.
1163 * gcse.c (hash_expr_1): Likewise.
1165 * genattr.c (gen_attr, main): Likewise.
1167 * genattrtab.c (struct function_unit, current_alternative_string,
1168 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
1169 attr_numeral, check_attr_test, check_attr_value,
1170 convert_set_attr_alternative, convert_set_attr,
1171 compute_alternative_mask, simplify_by_exploding, gen_attr,
1172 gen_unit): Likewise.
1174 * genflags.c (gen_insn): Likewise.
1176 * gengenrtl.c (type_from_format): Likewise.
1178 * genopinit.c (gen_insn): Likewise.
1180 * genoutput.c (n_occurrences, process_template, process_template):
1183 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
1186 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
1189 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
1190 ggc_set_mark, ggc_get_size): Likewise.
1192 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
1194 * optabs.c (init_one_libfunc): Likewise.
1196 * output.h (assemble_start_function): Likewise.
1198 * recog.c (decode_asm_operands): Likewise.
1200 * toplev.c (rest_of_compilation): Likewise.
1202 * tree.h (emit_line_note_after, emit_line_note,
1203 emit_line_note_force): Likewise.
1205 * varasm.c (asm_output_bss, asm_output_aligned_bss,
1206 asm_emit_uninitialised, assemble_start_function,
1207 assemble_variable, const_hash, compare_constant_1,
1208 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
1210 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
1212 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
1214 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
1216 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
1218 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
1219 arm_dllimport_name_p): Likewise.
1221 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
1224 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
1226 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1228 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
1229 arm_mark_dllexport, arm_mark_dllimport,
1230 arm_pe_encode_section_info): Likewise.
1232 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
1233 ASM_FINISH_DECLARE_OBJECT): Likewise.
1235 * arm/thumb.c (thumb_function_prologue): Likewise.
1237 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
1239 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1241 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
1243 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
1245 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
1247 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1249 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
1250 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
1252 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
1254 * i386/i386.c (asm_output_function_prefix): Likewise.
1256 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
1258 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1260 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
1262 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
1263 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
1264 ASM_OUTPUT_SECTION_NAME): Likewise.
1266 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
1268 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
1270 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
1272 * m32r/m32r.c (m32r_encode_section_info): Likewise.
1274 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1276 * mcore/mcore.c (mcore_encode_section_info): Likewise.
1278 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1280 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1282 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1284 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
1286 * mips/mips.md (movdi, movsi): Likewise.
1288 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1290 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1292 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1294 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
1295 ASM_OUTPUT_ASCII): Likewise.
1297 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
1298 output_mi_thunk, output_toc): Likewise.
1300 * rs6000/rs6000.md (movsi): Likewise.
1302 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
1304 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
1306 * v850/v850.c (print_operand, print_operand_address,
1307 v850_encode_data_area): Likewise.
1309 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
1311 * config/mips/mips.md (zero_extendsidi2): Always force operand
1312 one to memory for mips16.
1314 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1316 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
1317 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
1318 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
1319 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
1320 (min_precision): Result is unsigned.
1321 (add_double, neg_double, mul_double): Low word is unsigned.
1322 (lshift_double, rshift_double, lrotate_double): Likewise.
1323 (rrotate_double, div_and_round_double): Likewise.
1324 (tree_floor_log2, compare_tree_int): New functions.
1325 (preserve_rtl_expr_temps): New declaration.
1326 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
1327 (decl_attributes): Use tree_log2 to find alignment.
1328 Check for TREE_INT_CST_HIGH for format args.
1329 (min_precision): Now unsigned.
1330 Use tree_floor_log2.
1331 (truthvalue_conversion): Delete long-disabled code.
1332 * c-decl.c (finish_struct): Clean up tests on field width.
1333 (finish_function): Use compare_tree_int.
1334 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
1335 * c-typeck.c (comptypes): Use tree_int_cst_equal.
1336 (default_conversion, digest_init): Use compare_tree_int.
1337 (build_binary_op): Use integer_all_onesp and compare_tree_int.
1338 Fix type errors in forming masks.
1339 * calls.c (initialize_argument_information): Use compare_tree_int.
1340 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
1341 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
1342 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
1343 (store_field): Use compare_tree_int.
1344 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
1345 (expand_expr, case ARRAY_REF): Use compare_tree_int.
1346 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
1347 (do_store_flag): Use compare_tree_int.
1348 * fold-const.c (encode, decode): Low part is always unsigned.
1349 (force_fit_type, add_double, neg_double, mul_double): Likewise.
1350 (lshift_double, rshift_double, lrotate_double): Likewise.
1351 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
1352 (fold_convert): Use compare_tree_int.
1353 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
1354 (invert_truthvalue, case INTEGER_CST): Likewise.
1355 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
1356 * mkdeps.c (deps_dummy_targets): Make I unsigned.
1357 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
1358 (lshift_double, rshift_double, lrotate_double, rrotate_double):
1360 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
1361 (expand_end_case): Use compare_tree_int.
1362 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
1363 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
1364 (layout_decl): Likewise.
1365 (layout_record, layout_union): Make sizes unsigned.
1366 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
1367 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
1368 * tree.c (struct type_hash): hashcode is unsigned.
1369 (build_type_attribute_variant, type_hash_list): Likewise.
1370 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
1371 (attribute_hash_list, build_array_type, build_method_type): Likewise.
1372 (build_complex_type): Likewise.
1373 (real_value_from_int_cst): Remove unneeded casts.
1374 (integer_all_onesp): Add casts.
1375 (tree_floor_log2, compare_tree_int): New functions.
1376 (build_index_type): Use tree_int_cst_sgn.
1377 * varasm.c (assemble_variable): Use compare_tree_int.
1379 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
1381 * cpphash.c (collect_expansion): Also catch ## at start of macro.
1383 * varasm.c (make_decl_rtl): Don't add a number to members of
1385 (make_function_rtl): Likewise.
1387 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1389 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
1390 patch from 2000-01-28.
1392 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
1394 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
1395 filled with an insn from the jump target.
1397 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1399 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
1400 (c4x_external_ref): Likewise.
1401 * config/c4x/c4x.c (struct name_list): Likewise.
1403 1999-12-16 Ben Collins <bcollins@debian.org>
1405 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
1406 argument to genmultilib.
1407 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
1408 the contents into the multilib.h header.
1409 * gcc.c: Declare multilib_exclusions for the specs file.
1410 (set_multilib_dir): Use it.
1411 (print_multilib_info): Likewise.
1412 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
1413 to pass to genmultilib.
1415 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1417 * builtins.c (built_in_class_names, built_in_names): Constify a
1420 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
1422 (_mcleanup): Ensure value matches format specifier in sprintf.
1424 * cpphash.c (special_symbol): Don't needlessly cast away
1427 * cppinit.c (base_name): Delete unused prototype.
1429 * mkdeps.c (deps_init): Make definition K&R safe.
1431 * tree.h (built_in_class_names, built_in_names): Constify a
1434 2000-03-06 Jakub Jelinek <jakub@redhat.com>
1436 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
1437 floating point instructions for epilogue delay.
1439 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
1440 to gas if it supports .register pseudo.
1442 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
1443 LONG_DOUBLE_TYPE_SIZE if not defined.
1444 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
1445 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
1447 * gengenrtl.c: Likewise.
1448 * print-rtl.c: Likewise.
1450 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
1451 MASK_LONG_DOUBLE_128.
1452 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
1453 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
1454 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
1455 (SUBTARGET_SWITCHES): Define.
1456 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
1457 with -mlong-double-128.
1458 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
1459 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1460 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1461 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
1462 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
1463 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
1464 with -mlong-double-128.
1465 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
1466 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1467 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1468 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
1469 TARGET_LONG_DOUBLE_128): Define.
1470 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
1471 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
1472 long double on TARGET_ARCH64.
1474 2000-03-06 Mark Mitchell <mark@codesourcery.com>
1476 * function.c (free_temps_for_rtl_expr): Don't free slots
1477 that have been pushed into a higher level.
1480 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1482 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1484 * basic-block.h (ALLOCA_REG_SET): Remove.
1485 (INITIALIZE_REG_SET): New macro.
1486 * flow.c (update_life_info): Use it.
1487 (calculate_global_regs_live): Likewise.
1488 (propagate_block): Likewise.
1489 * global.c (build_insn_chain): Likewise.
1490 * haifa-sched.c (schedule_region): Likewise.
1492 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
1494 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
1495 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
1496 (DWARF_ARANGES_PAD_SIZE): New define.
1497 (output_aranges): Use it to pad the address range header.
1498 (DWARF_ROUND): Fix for non power of 2 rounding.
1500 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
1502 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
1504 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1506 * tree.def (RTL_EXPR): Update documentation.
1507 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
1508 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
1509 * function.c (preserve_rtl_expr_temp): New function.
1510 (preserve_rtl_expr_temps): Likewise.
1511 (preserve_rtl_expr_result): Use it.
1514 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1516 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
1518 * regmove.c (copy_src_to_dest) Do not create src->dest move
1519 for unchanging destination.
1521 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1523 * function.h (struct sequence_stack): Remove rtl_expr.
1524 (struct emit_staus): Likewise.
1525 (seq_rtl_expr): Remove.
1526 * tree.h (free_temps_for_rtl_expr): Don't declare.
1527 (start_sequence_for_rtl_expr): Likewise.
1528 * rtl.h (preserve_rtl_expr_result): Likewise.
1529 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
1530 (start_sequence_for_rtl_expr): Remove.
1531 (push_topmost_sequence): Don't save sequence_rtl_expr.
1532 (pop_topmost_sequence): Remove comment about not restoring it.
1533 (end_sequence): Don't set seq_rtl_expr.
1534 (init_emit): Don't initialize it.
1535 (mark_sequence_stack): Don't mark it.
1536 (mark_emit_status): Likewise.
1537 * except.c (protect_with_terminate): Use
1538 start_sequence_for_rtl_expr, not start_sequence.
1539 * expr.c (expand_expr, case RTL_EXPR): Don't call
1540 preserve_rtl_expr_result or free_temps_for_rtl_expr.
1541 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
1542 (preserve_rtl_expr_result): Remove.
1543 (free_temps_for_rtl_expr): Likewise.
1544 (pop_temp_slots): Likewise.
1545 (mark_temp_slot): Don't mark the rtl_expr.
1546 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
1547 start_sequence_for_rtl_expr.
1549 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
1551 * mkdeps.c, mkdeps.h: New files.
1552 * po/POTFILES.in: Add them.
1553 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
1554 (cpplib.o, cppinit.o): Depend on mkdeps.h.
1555 (mkdeps.o): New target.
1557 * cppfiles.c: Delete deps_output.
1558 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
1559 OBJECT_SUFFIX, and base_name.
1560 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
1562 (initialize_dependency_output): Use deps_init,
1563 deps_add_target, deps_calc_target, and deps_add_dep. Remove
1564 all the unnecessary string bashing.
1565 (cpp_finish): Use deps_write. Remove an unnecessary nesting
1567 * cpplib.c (do_include): Use deps_add_dep.
1568 * cpplib.h (struct cpp_reader): Replace deps_buffer,
1569 deps_allocated_size, deps_size, deps_column members with
1570 single pointer to a struct deps. Delete prototype of
1573 * cppinit.c: Fix thinko in previous patch.
1575 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1577 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
1578 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
1579 (mode_for_size_tree): New function.
1580 (layout_decl, layout_type): Call it and clean up BLKmode checks.
1581 * tree.h (mode_for_size_tree): New declaration.
1583 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
1585 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
1587 * stmt.c (is_body_block): Move...
1588 * dwarfout.c, dwarf2out.c: ...from here.
1589 * tree.h: Declare it.
1590 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
1591 * final.c (final_start_function): Do call remove_unnecessary_notes
1594 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1596 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
1598 * cpplib.h (_dollar_ok): New macro.
1599 (is_idchar, is_idstart): Use it.
1600 (IStable): Rename to _cpp_IStable. Declare it const if
1601 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
1602 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
1603 is_space): Update for renamed IStable.
1605 * cppinit.c: Delete all references to FAKE_CONST and CAT
1606 macros. Define init_IStable as empty macro if gcc >=2.7 or
1607 C99. Change TABLE() to ISTABLE and hardcode name of table.
1608 (cpp_start_read): Don't change the IStable based on
1611 * cpphash.c (unsafe_chars): Add pfile argument. All callers
1612 changed. Handle '$' for char1 correctly.
1613 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
1615 * cppexp.c (tokentab2): Make const.
1616 (cpp_lex): Make toktab const.
1617 * cppinit.c (include_defaults_array): Make const.
1618 (initialize_standard_includes): Make default_include const.
1620 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1622 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
1623 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
1624 (gen_decl_die): Likewise.
1625 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
1626 (output_decl): Likewise.
1628 * varasm.c (make_function_rtl): If we change the name used in the
1629 rtl, update DECL_ASSEMBLER_NAME accordingly.
1630 (make_decl_rtl): Likewise.
1632 * toplev.c (rest_of_compilation): Tweak formatting.
1634 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
1635 remove_unnecessary_notes.
1636 (debug_ignore_block): New fn.
1637 * toplev.h: Declare it.
1638 * emit-rtl.c (remove_unncessary_notes): Call it.
1639 * dwarf2out.c (dwarf2out_ignore_block): New fn.
1640 * dwarf2out.h: Declare it.
1641 * final.c (final_start_function): Don't call remove_unnecessary_notes
1642 if we did insn scheduling.
1644 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1646 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
1647 * cpplib.h: Delete SET_CPP_PEDANTIC.
1649 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1651 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
1652 result is a RECORD_TYPE.
1654 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
1656 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
1658 2000-03-03 Richard Henderson <rth@cygnus.com>
1660 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
1661 addition over compliments over shifts.
1663 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1665 * reload1.c (reload_combine_note_use): Handle return register USEs.
1666 REG case: Handle multi-hard-register hard regs.
1668 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1670 * md.texi: Document use of '*' in insn pattern name.
1672 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1674 * calls.c (special_function_p): operator new may not be malloc-like.
1676 * gcse.c (dump_hash_table): Really fix error in last change.
1678 2000-03-02 Denis Chertykov <denisc@overta.ru>
1680 * avr.c (print_operand): Use print_operand_address instead of
1682 * avr/libgcc.S: Cleanup code.
1684 2000-03-02 Richard Henderson <rth@cygnus.com>
1686 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
1688 2000-03-02 Mark Mitchell <mark@codesourcery.com>
1690 * tree.h (TYPE_ALIGN_UNIT): New macro.
1692 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
1694 * i386.c: (constant_call_address_operand): Reject CONST_INT.
1696 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
1698 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
1700 (SET_CPP_PEDANTIC): New macro.
1701 * cpplib.c (do_include): Don't bother checking system_header_p.
1702 (do_warning, do_ident, do_assert, do_unassert): Likewise.
1703 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
1705 * function.h (struct expr_status): Add x_arg_space_so_far.
1706 (arg_space_so_far): New macro.
1707 * expr.c (init_expr): Initialize it.
1708 * calls.c (emit_call_1): Reset it.
1709 (compute_argument_block_size, expand_call): Use it.
1710 (expand_call, store_one_arg): Increment it.
1712 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1714 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
1717 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
1719 * cppfiles.c (cpp_read_file): New function.
1721 * cpphash.c (collect_expansion): Make sure to reset last_token
1722 to NORM when we hit a string. Handle trailing whitespace
1723 properly when the expansion is empty.
1724 (create_definition): Disable line commands while parsing the
1726 (dump_definition): If pfile->lineno == 0, output a line
1727 command ahead of the dump, and add a trailing newline.
1729 * cppinit.c (append_include_chain): Add fifth argument, which
1730 indicates whether or not system headers are C++ aware.
1731 (initialize_standard_includes): New function,
1732 broken out of read_and_prescan. Pass 'cxx_aware' value from
1733 the include_defaults_array on to append_include_chain.
1734 (dump_special_to_buffer): Const-ify char array.
1735 (builtin_array): Don't dump __BASE_FILE__.
1736 (cpp_start_read): Use cpp_read_file. Reorder code for
1737 clarity. Don't output line commands here for -D/-A/-U
1738 switches. Don't call deps_output for files included with
1739 -include or -imacros.
1741 * cpplib.c (do_define): Don't pay any attention to the second
1743 (cpp_expand_to_buffer): Disable line commands while scanning.
1744 (output_line_command): Work in the file buffer.
1745 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
1746 Fix formatting of comments. Prototype cpp_read_file.
1748 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1750 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
1751 reference the language-equivalent of sizetype.
1752 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
1753 * fold-const.c (size_binop, size_diffop): Put back checks.
1754 * gcse.c (dump_hash_table): Fix minor error in last change.
1755 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
1756 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
1759 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
1761 * calls.c (expand_call) Do not attempt to combine stack adjustments
1762 with inhibit_defer_pop set.
1764 2000-03-01 Mark Mitchell <mark@codesourcery.com>
1766 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
1767 the DECL_SIZE for a FIELD_DECL.
1769 2000-03-01 Bruce Korb <bkorb@gnu.org>
1771 * fixinc/inclhack.tpl: remove unused symlinks
1772 * fixinc/README: GCC Maintainer info
1773 * fixinc/inclhack.sh: regen
1774 * fixinc/fixincl.sh: regen
1776 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
1778 * cpphash.c (collect_expansion): Trim trailing white space
1779 from macro definitions, but don't go past the last insertion
1782 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
1784 * i386.md (mulqi3): New pattern.
1786 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
1788 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
1790 (struct cpp_reader): Add parsing_if_directive and
1791 parsing_define_directive flags.
1792 (struct cpp_options): Remove output_conditionals flag.
1793 (check_macro_name): Delete prototype.
1795 * cpphash.h (struct macrodef): Delete.
1796 (struct reflist): Separate from struct definition.
1797 (struct definition): Remove unused fields. Add column number.
1798 (create_definition): Returns a DEFINITION *. Takes a
1799 cpp_reader * and an int.
1801 * cpphash.c (SKIP_WHITE_SPACE): Delete.
1802 (PEEKC): Copy defn from cpplib.c.
1803 (rest_extension, REST_EXTENSION_LENGTH): Delete.
1805 (struct arglist): Simplify.
1806 (collect_expansion): Rewrite. Get tokens by calling
1807 cpp_get_token. Add more error checking.
1808 (collect_formal_parameters): New function, broken out of
1809 create_definition and reworked to use get_directive_token.
1810 (create_definition): All real work is now in collect_expansion
1811 and collect_formal_parameters. do_define handles finding the
1812 macro name. Return a DEFINITION, not a MACRODEF.
1813 (macroexpand): Replace bcopy with memcpy throughout. Replace
1814 character-at-a-time copy loop with memcpy and pointer increments.
1815 (compare-defs): d1->argnames / d2->argnames might be null.
1817 * cpplib.c (copy_rest_of_line): Delete function.
1818 (skip_rest_of_line): Do all the work ourselves.
1819 (skip_string): New function.
1820 (parse_string): Use skip_string.
1821 (get_macro_name): New function.
1822 (check_macro_name): Delete.
1823 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
1824 (cpp_skip_hspace): Use CPP_BUMP_LINE.
1825 (handle_directive): ICE if we're called on a macro buffer.
1826 (do_define): Determine macro name and type (funlike/objlike)
1827 here. Expunge all uses of MACRODEF.
1828 (cpp_push_buffer): Set line_base to NULL.
1829 (do_undef, read_line_number): Don't worry about getting a POP token.
1830 (eval_if_expression): Set/reset parsing_if_directive around
1831 cpp_parse_expr. Don't clear only_seen_white.
1832 (skip_if_group): Remove output_conditionals logic. Use
1834 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
1835 tokens under appropriate conditions.
1836 (cpp_unassert): Call do_unassert not do_assert. Oops.
1838 * cppexp.c (parse_defined): New function, break out of
1840 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
1841 ourselves, with cpp_defined.
1842 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
1844 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
1845 * gcc.dg/strpaste-2.c: New.
1847 2000-02-29 Mark Mitchell <mark@codesourcery.com>
1849 * fold-const.c (size_binop): Don't asert inputs are the same and
1850 have TYPE_IS_SIZETYPE set.
1851 (size_diffop): Likewise.
1853 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
1855 * dwarfout.c (output_block): Output abstract blocks even if they
1856 don't have TREE_ASM_WRITTEN set.
1858 * calls.c (emit_library_call): Check for null REG.
1860 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
1862 * c-decl.c (current_function_decl): Move to toplev.c.
1863 (init_decl_processing): Don't add current_function_decl as a ggc
1865 * dbxout.c (dbxout_symbol): Change return type to int.
1866 (dbxout_symbol_location, dbxout_syms): Likewise.
1867 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
1868 any locals. Use current_function_func_begin_label if set.
1869 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
1870 * dwarf2out.c (dwarf2out_begin_prologue): Set
1871 current_function_func_begin_label.
1872 * final.c (final_start_function): Reset it.
1873 * toplev.c (current_function_decl): Define it here.
1874 (current_function_func_begin_label): New variable.
1875 (main): Add both as ggc roots.
1876 * tree.h (current_function_func_begin_label): Declare.
1878 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1880 * gcse.c: Cleanups throughout: mostly white-space, but also
1881 some minor rearrangement of code.
1883 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
1885 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
1886 returns a PARALLEL. Use emit_group_load and use_group_regs
1888 (emit_library_call_value): Similarly.
1890 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
1891 * pa/quadlib.asm: Remove.
1892 * pa/quadlib.c: New file.
1894 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
1895 * configure: Rebuilt.
1897 2000-02-29 Philip Blundell <pb@futuretv.com>
1899 * config/arm/conix-elf.h: New file.
1900 * configure.in (arm*-*-conix*): New configuration.
1901 * configure: Regenerate.
1903 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
1905 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
1906 don't have TREE_ASM_WRITTEN set.
1908 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1910 * Eliminate DECL_FIELD_SIZE.
1911 * builtins.c (built_in_class_names, built_in_names): New variables.
1912 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
1913 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
1914 DECL_SIZE, not DECL_FIELD_SIZE.
1915 * print-tree.c (print_node): Remove code that prints extra blank
1916 lines in some cases.
1917 Properly handle inline and builtin function cases.
1918 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
1919 * tree.h (built_in_class_named, built_in_names): New declarations.
1920 (union tree_decl): Rename internal unions to u1 and u2 and change
1921 some of their components.
1922 Add new field built_in_class.
1923 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
1924 Reflect above changes.
1925 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
1926 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
1927 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
1928 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
1930 2000-02-28 Dmitri Makarov <dim@windriver.com>
1932 * extend.texi: Document ARM's support for long/short calls.
1934 * invoke.texi: Document ARM's -mlong-calls command line switch.
1936 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
1937 (arm_encode_call_attribute): Add prototype.
1938 (arm_set_default_type_attribute): Add prototype.
1939 (arm_strip_name_encoding): Add prototype.
1941 * config/arm/arm.c (arm_init_cumulative_args): replace
1942 initialisation og 'long_calls' field with initialisation of
1943 'call_cookie' field.
1944 (enum arm_pragma_enum): New enum.
1945 (arm_pragma_long_calls): New static variable.
1946 (arm_process_pragma): Also process "#pragma long_calls_off".
1947 (arm_valid_type_attribute_p): Accept short_call attribute.
1948 (arm_comp_type_attributes): Check long/short call attributes.
1949 (arm_encode_call_attribute): New function: Encode long_call
1950 or short_call attribute in function name.
1951 (arm_set_default_type_attributes): New function: Assign
1952 default attributes to newly defined type.
1953 (current_file_function_operand): New function: Return true if
1954 the symbol is a function which has already been compiled.
1955 (arm_is_longcall_p): New function: Return true if the
1956 indicated function should be called via a long call.
1957 (arm_get_strip_length): New function. Returns number of
1958 prefix characters to be stripped from a function's name.
1959 (arm_strip_name_encoding): New function. Strip prefix characters
1960 from a function's name.
1962 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
1964 (SHORT_CALL_FAG_CHAR): Define.
1965 (LONG_CALL_FAG_CHAR): Define.
1966 (ENCODED_SHORT_CALL_ATTR_P): Define.
1967 (ENCODED_LONG_CALL_ATTR_P): Define.
1968 (ARM_NAME_ENCODING_LENGTHS): Define.
1969 (STRIP_NAME_ENCODING): Define.
1970 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
1971 (ARM_ENCODE_CALL_TYPE): Define.
1972 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
1973 (ARM_DECLARE_FUNCTION_SIZE): Define.
1974 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
1976 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
1977 if a long call is needed.
1978 (call_value): Ditto.
1979 (call_symbol): Ditto.
1981 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
1982 ARM_DECLARE_FUNCTION_SIZE.
1984 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
1985 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
1986 (ARM_STRIP_NAME_ENCODING): Undefine.
1987 (STRIP_NAME_ENCODING): Undefine.
1988 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
1989 (ASM_DECLARE_FUNCTION_NAME): Ditto.
1990 (ASM_OUTPUT_COMMON): Ditto.
1991 (ASM_DECLARE_OBJECT_NAME): Ditto.
1993 * config/arm/pe.c (arm_dllexport_name_p): Check for
1995 (arm_dllimport_name_p): Ditto.
1996 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
1997 (arm_mark_dllimport): Ditto.
1999 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2001 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
2003 2000-02-28 Mark Mitchell <mark@codesourcery.com>
2005 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
2007 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
2009 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
2010 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
2011 NO_BUILTIN_WCHAR_TYPE is not defined.
2012 (CPP_WCHAR_TYPE): Delete.
2013 * cccp.c (main): Don't change wchar_type if cplusplus.
2014 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
2016 2000-02-28 Nick Clifton <nickc@cygnus.com>
2018 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
2020 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
2022 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
2023 (ASM_WEAKEN_LABEL): Define.
2025 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
2027 * expr.c (store_constructor): Do not emit USE.
2028 * rtl.h (stupid_life_analysis): Remove.
2030 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2032 * function.c (number_blocks): Reset next_block_index based on
2033 what debugging format is used, not what is defined.
2035 * lcm.c: Minor reformatting throughout.
2036 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
2038 * toplev.c (rest_of_compilation): Account for time in
2039 optimize_mode_switching.
2041 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
2042 if only marking labels.
2044 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
2046 * calls.c (expand_call): Attempt to combine stack adjustments with
2047 pending stack adjustments.
2049 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2051 * loop.c (reg_in_basic_block_p): Don't abort when falling through
2052 to the end of the function.
2054 2000-02-27 Mark Mitchell <mark@codesourcery.com>
2056 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
2058 * final.c (next_block_index): Remove.
2059 (max_block_depth): Likewise.
2060 (pending_blocks): Likewise.
2061 (init_final): Don't initialize them.
2062 (final_start_function): Don't set next_block_index. Set up
2064 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
2065 * function.h (number_blocks): New function.
2066 * function.c (get_block_vector): New function.
2067 (identify_blocks): Use it.
2068 (reorder_blocks): Set NOTE_BLOCK.
2069 (number_blocks): New function.
2070 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
2071 * tree.h (BLOCK_NUMBER): New macro.
2072 (tree_block): Add block_num field.
2073 * dbxout.c (next_block_number): Remove.
2074 (dbxout_init): Don't set it.
2075 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
2076 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
2078 * toplev.c (rest_of_compilation): Always call
2079 find_loop_tree_blocks. Fix indentation.
2080 * dwarf2out.c (next_block_number): Remove.
2081 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
2082 to determine block numbers.
2083 (gen_inlined_subroutine_die): Likewise.
2084 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
2085 (decls_for_scope): Don't increment next_block_number.
2086 * dwarfout.c (next_block_number): Remove.
2087 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
2088 to determine block numbers.
2089 (output_inlined_subroutine_die): Likewise.
2090 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
2091 (output_decls_for_scope): Don't increment next_block_number.
2092 * sdbout.c (next_block_number): Remove.
2093 (sdbout_block): Use BLOCK_NUMBER.
2094 (sdbout_begin_block): Simplify.
2095 * xcoffout.c (next_block_number): Remove.
2096 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
2097 (xcoffout_begin_block): Don't set next_block_number.
2098 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
2101 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2103 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
2104 (expand_builtin_strcpy): Pass correct type to size_binop.
2105 (expand_builtin_strcmp): Likewise.
2106 Clean up conditional structure.
2107 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
2108 (complete_array_type): Don't use size_binop for MAXINDEX.
2109 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
2110 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
2111 (c_alignof): Use size_one_node.
2112 (build_unary_op): Pass arg of proper type to size_binop.
2113 (really_start_incremental_init, push_init_level): Use sizetype for
2114 constructor{,_bit,_unfilled}_index.
2115 (pop_init_label, output_init_element): Likewise.
2116 (output_pending_init_elements, process_init_element): Likewise.
2117 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
2118 * expr.c (store_expr): Use size_int.
2119 (store_constructor): Use proper types for size_binop args.
2120 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
2121 (expand_expr_unaligned): Likewise.
2122 (string_contant): Return object of sizetype.
2123 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
2124 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
2125 (ARGS_SIZE_TREE): Pass proper types to size_binop.
2126 * fold-const.c (int_const_binop): Refine when size_int is called.
2127 (fold_convert): Likewise.
2128 (size_int_wide): Rework to take KIND as arg, only take low order
2129 bits, handle new sizetype_tab datatype, and chain entries in
2131 (size_int_type_wide): New function.
2132 (size_binop): Validate types of arguments.
2133 (ssize_binop): Deleted.
2134 (size_diffop): New function.
2135 (extract_muldiv): Only fold division into multiplication for sizetypes.
2136 * function.c (assign_parms): Use size_diffop and make sure
2137 VAR field is of ssizetype; also pass proper type to size_binop.
2138 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
2139 (round_down): Deleted from here.
2140 * store-layout.c (sizetype_tab): Now an array.
2141 (sizetype_set, early_root_list): New variables.
2142 (variable_size): Use size_one_node.
2143 (round_up): Pass proper type to size_binop.
2144 (round_down): Moved to here and corrected as above.
2145 (layout_record): Pass proper arg types to size_binop.
2146 (layout_type): Likewise.
2147 If sizetype_set is zero, record the type just laid out.
2148 (make_unsigned_type): Don't call set_sizetype;
2149 (make_signed_type): Likewise; also, call fixup_signed_type.
2150 (initialize_sizetypes): New function.
2151 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
2152 set name of bitsizetype to "bit_size_type".
2153 Fix up type of sizes of all types made before call.
2154 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
2155 * tree.c (fix_sizetype): Deleted.
2156 (build_common_tree_nodes): Call initialize_sizetypes.
2157 (build_common_tree_nodes_2): Don't call fix_sizetype.
2158 * tree.h (TYPE_IS_SIZETYPE): New macro.
2159 (initialize_sizetype): New declaration.
2160 (enum size_type_kind): New type.
2161 (struct sizetype_tab): Deleted.
2162 (sizetype_tab): Now array; adjust sizetype macros.
2163 (size_diffop, size_int_type_wide): New functions.
2164 (size_int_wide): Change number of args and type; access macros changed.
2165 (ssize_int, sbitsize_int): New macros.
2166 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
2167 (ROUND_TYPE_SIZE_UNIT): New macro.
2169 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
2171 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
2173 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2175 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
2176 Mark as possibly unused.
2178 * cse.c (cse_insn): Delete dead code involving tablejump.
2179 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
2181 * Makefile.in (libcpp.a): Start by deleting it.
2183 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2185 * cpplib.h (enum file_change_code): Added rename_file.
2186 * cpplib.c (do_line): If a filename is given, set file_change to
2188 (output_line_command): If file_change is rename_file, always
2189 output a # directive with the file name.
2191 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
2193 2000-02-26 Mark Mitchell <mark@codesourcery.com>
2195 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
2196 when copying a PARM_DECL or RESULT_DECL.
2198 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2200 * fix-header.c (recognized_function): Also fix prototypes for
2201 functions taking "void".
2203 2000-02-26 Geoff Keating <geoffk@cygnus.com>
2205 * reload1.c (do_output_reload): Check reg_reloaded_valid before
2206 looking at reg_reloaded_contents.
2208 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
2210 * Makefile.in (STMP_FIXINC): New toggle.
2211 (LIBGCC2_DEPS): Delete all references.
2212 (stmp-headers): Delete target. All references either deleted
2213 or changed to stmp-int-headers.
2214 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
2215 (LIBCPP_OBJS): Take out cppalloc.o.
2216 (cppalloc.o): Delete target.
2217 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
2218 (gen-protos, fix-header): Link with libiberty.a.
2219 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
2222 * configure.in: Remove refs to strerror.
2223 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
2224 * system.h: Take out strerror stanza.
2226 * cpperror.c (my_strerror): Delete function.
2227 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
2228 * cppmain.c (main): Call xmalloc_set_program_name first thing.
2229 * cppalloc.c: Delete file.
2230 * gen-protos.c: Don't provide xrealloc.
2232 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
2233 xstrerror throughout.
2235 2000-02-26 Bruce Korb <bkorb@gnu.org>
2237 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
2238 match for DOS headers, too.
2239 * fixinc/inclhack.sh,fixincl.x: Regenerate.
2241 2000-02-26 Geoff Keating <geoffk@cygnus.com>
2243 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
2244 is right for most ELF targets.
2245 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
2246 Let the default file use %U properly.
2247 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
2250 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
2253 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2255 * toplev.c (documented_lang_options): Correct spelling error.
2256 (decode_d_option, decode_f_option, main): Likewise.
2258 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
2260 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
2261 to tell assembler it is permitted to expand large constants.
2263 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
2265 * protoize.c: (AUX_INFO_SUFFIX): New macro.
2266 (aux_info_suffix): Use.
2267 (SAVE_SUFFIX): New macro.
2269 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
2270 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
2271 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
2273 * invoke.texi (Running Protoize): Update documentation.
2275 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
2277 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
2279 2000-02-25 John Wehle (john@feith.com)
2281 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
2283 2000-02-25 Anthony Green <green@cygnus.com>
2285 * toplev.c (rest_of_compilation): Rebuild jump labels if
2286 combine_instructions has created a new direct jump.
2287 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
2289 (combine_instructions): Call try_combine with new argument.
2290 Return non-null value when new direct jump instruction is created.
2291 * rtl.h: combine_instructions returns an int.
2293 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
2295 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
2296 jump when changing a computed jump into a jump to a known
2299 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
2301 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
2302 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
2304 * i386.md (define_expand "clrstrsi"): Fix typo.
2306 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
2308 * rtl.texi: Fix typo.
2310 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2312 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
2313 UNITS_PER_WORD. Change caller initial_elimination_offset.
2314 (rounded_frame_size): Take into account that argument pushed has
2315 changed. Fix TARGET_ALIGN_DOUBLE problem.
2317 2000-02-25 Geoff Keating <geoffk@cygnus.com>
2319 * haifa-sched.c (schedule_block): Explain the real reason
2320 we delete REG_SAVE_NOTEs on the first insn of a block.
2321 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
2323 2000-02-24 Mark Mitchell <mark@codesourcery.com>
2325 * input.h (push_srcloc): New function.
2326 (pop_srcloc): Likewise.
2327 * toplev.c (push_srcloc): Define it.
2328 (pop_srcloc): Likewise.
2330 2000-02-24 Richard Henderson <rth@cygnus.com>
2332 * flow.c (life_analysis): When collecting reg info, clear
2335 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2337 Fix bug exposed by reload.c no longer rounding the frame
2338 size to BIGGEST_ALIGNMENT:
2339 * sh.c (rounded_frame_size): New function.
2340 (sh_expand_prologue, sh_expand_epilogue): Use it.
2341 (initial_elimination_offset): Likewise.
2343 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2345 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
2346 * sh-protos.h (sh_need_epilogue): Declare.
2347 * sh.c (sh_need_epilogue_known): New static variable.
2348 (sh_need_epilogue): New function.
2349 (function_epilogue): Clear need_epilogue_known.
2350 * sh.md (return): Split into expander / insn pattern.
2351 Make the expander conditional on ! sh_need_epilogue ().
2353 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
2355 * machmode.h (get_mode_alignment): Declare.
2356 (GET_MODE_ALIGNMENT): Call it.
2357 * stor-layout.c (get_mode_alignment): New function. Make
2358 sure alignment is always power of 2.
2360 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2362 * i386.h: Remove useless definition of "I386" and misleading
2365 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2367 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
2368 under which TREE_PERMANENT will be set.
2369 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
2370 build1): Use TREE_SET_PERMANENT.
2371 * print-tree.c (print_node): Don't report value of
2372 TREE_PERMANENT if ggc_p is true.
2374 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
2375 decide whether to give a type a new alias set.
2376 * objc/objc-act.c (build_objc_string_object): Never copy the string.
2377 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
2378 of value of 'obstack'.
2381 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2383 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
2385 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2387 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
2388 * cpplib.c (cpp_get_token): Produce them.
2389 * cppexp.c (cpp_lex): Handle them.
2391 2000-02-23 Nick Clifton <nickc@cygnus.com>
2393 * config/arm/arm.c (arm_comp_type_attributes): Simply and
2394 comment tests on type attributes.
2396 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2398 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
2399 conform to documentation.
2400 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
2401 to check for special cases.
2402 * sh-protos.h (sh_loop_align): Declare.
2403 * sh.c (sh_loop_align): Define.
2405 2000-02-22 Andrew Haley <aph@cygnus.com>
2407 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
2408 (SIZE_TYPE): Is 32 bits when using -mgp32.
2409 (PTRDIFF_TYPE): Ditto.
2411 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2413 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
2415 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2417 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
2418 BIGGEST_FIELD_ALIGNMENT a constant.
2420 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
2422 * dwarf2out.c (output_line_info): Put the marker for the end of
2423 the line number info at the actual end.
2424 (gen_struct_or_union_type_die): Use decl_function_context
2425 to check for local classes.
2426 * dwarfout.c (output_type): Likewise.
2428 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
2430 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
2431 for arguments with a mode, but no type.
2432 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
2433 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
2434 * pa/long_double.h: New file.
2435 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
2436 both have 128bit wide long doubles.
2437 * configure: Rebuilt.
2439 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2441 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
2443 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
2444 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
2445 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
2447 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
2449 * integrate.c (compare_blocks, find_block): Likewise.
2451 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
2453 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
2455 * stmt.c (stmt_status, set_file_and_line_for_stmt,
2456 expand_asm_operands): Likewise.
2458 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
2460 * predict.c (estimate_probability): Added the pointer heuristic to
2461 the collection of static branch predictors.
2463 2000-02-21 Catherine Moore <clm@cygnus.com>
2465 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
2466 * invoke.texi (-mfix7000): Document.
2468 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
2470 * diagnostic.c (init_output_buffer): Make it possible to output at
2471 least 32 characters if we're given a too long prefix.
2473 2000-02-20 Mark Mitchell <mark@codesourcery.com>
2475 * varasm.c (initializer_constant_valid_p): Call
2476 lang_expand_constant to simplify the constant.
2478 2000-02-20 Bruce Korb <bkorb@gnu.org>
2480 * fixinc/inclhack.def(stdio_va_list):
2481 typedef needs to be disabled.
2482 * fixinc/inclhack.sh: regen
2483 * fixinc/fixincl.x: regen
2485 2000-02-20 Geoff Keating <geoffk@cygnus.com>
2487 * print-rtl.c (print_rtx): Don't print addresses when
2488 flag_dump_unnumbered.
2490 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2492 * sparc.c (sparc_output_scratch_registers): Mark parameter with
2494 (sparc_va_arg, sparc_flat_output_function_prologue,
2495 sparc_flat_output_function_epilogue): Cast value to unsigned in
2497 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
2499 * sparc.md: Add default case in switch.
2501 2000-02-19 Richard Henderson <rth@cygnus.com>
2503 * c-typeck.c (add_pending_init): Don't abort for multiple
2504 fields at the same offset.
2505 (pending_init_member): Test the correct member.
2507 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2509 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
2511 (start_catch_handler) : Same.
2513 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
2515 * Makefile.in: Have flow.o depend on $(EXPR_H)
2517 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2519 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
2520 * c-decl.c (duplicate_decls, finish_enum): Likewise.
2521 (finish_decl): Remove -Wlarger-than code from here.
2522 * flags.h (id_clash_len): Now int.
2523 (larger_than_size): Now HOST_WIDE_INT.
2524 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
2525 Clean up checking to see if in table.
2526 (make_bit_field_ref): Remove extra parm to bitsize_int.
2527 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
2528 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
2529 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
2530 and for computing size of decl.
2531 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
2532 Move -Wlarger-than code to here.
2533 (layout_record): Remove extra arg to bitsize_int.
2534 Set TYPE_BINFO_SIZE_UNIT.
2535 (layout_union): Remove extra arg to bitsize_int.
2536 Use proper type for size of QUAL_UNION.
2537 (layout_type): Remove extra arg to bitsize_int.
2538 * toplev.c (id_clash_len): Now int.
2539 (larger_than_size): Now HOST_WIDE_INT.
2540 (decode_W_option): Clean up id-clash and larger-than- cases.
2541 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
2542 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
2543 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
2544 (struct tree_decl): New field size_unit.
2545 (size_int_wide): No HIGH operand; NUMBER is now signed.
2546 (size_int_2): Deleted.
2547 (size_int, bitsize_int): Don't use it and rework args.
2548 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
2550 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
2552 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
2554 2000-02-18 Geoff Keating <geoffk@cygnus.com>
2556 * invoke.texi (Warning Options): Add an explanation of why
2557 you might want the -Wfloat-equal flag.
2559 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2561 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
2562 * cppinit.c (new_pending_define): Add cast to avoid warning.
2563 * expmed.c (extract_bit_field): Likewise.
2564 * flow.c (enum reorder_skip_type): New type.
2565 (skip_insns_between_blcok): New it.
2566 Rework to avoid warning about possibly undefined variable.
2567 * function.c (assign_parms): Make thisparm_boundary unsigned.
2568 * genrecog.c (write_switch): Cast XWINT result to int.
2569 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
2570 * mips-tfile.c (init_file): Make two versions of FDR intializer:
2571 one for MIPS and one for Alpha.
2572 (get_tag, copy_object): Add casts to avoid warnings.
2573 * optabs.c (init_one_libfunc): Cast NAME to (char *).
2574 * reload.c (find_reloads): Make TYPE enum reload_type.
2575 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
2576 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
2577 * varasm.c (compare_constant_1): Add cast to avoid warning.
2578 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
2580 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
2581 Cast switch operand of size to int.
2582 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
2583 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
2586 2000-02-18 Nick Clifton <nickc@cygnus.com>
2588 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
2589 anything for an alignment of zero.
2591 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
2592 anything for an alignment of zero.
2594 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
2596 * gcc.texi (Bug Reporting): Refer to bugs.html.
2597 (Bug Lists): Likewise.
2598 * system.h (GCCBUGURL): New preprocessor define.
2599 * rtl.c (fancy_abort): Use it.
2600 * gcc.c (main): Likewise.
2602 2000-02-18 Richard Henderson <rth@cygnus.com>
2604 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
2605 (life_analysis_1): Subsume into ...
2606 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
2607 Use update_life_info for the relaxation.
2608 (update_life_info): Update REG_BASIC_BLOCK for registers live on
2609 entry and regs_live_at_setjmp.
2610 (set_noop_p): Simplify.
2611 (notice_stack_pointer_modification_1): Renamed from s/_1//.
2612 (record_volatile_insns): Split into ...
2613 (delete_noop_moves): ... here,
2614 (notice_stack_pointer_modification): ... here,
2615 (insn_dead_p): ... and here.
2616 (propagate_block): Don't query INSN_VOLATILE.
2617 (mark_used_regs): Mind !PROP_REG_INFO.
2618 * toplev.c (rest_of_compilation): Call mark_constant_function here,
2619 not in life_analysis.
2621 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
2623 * loop.c (canonicalize_condition): New function,
2624 broken out of get_condition.
2625 (get_condition): Use it.
2626 * expr.h (canonicalize_condition): Prototype it.
2628 * tree.h (tree_int_cst_msb): Declare.
2629 * tree.c (tree_int_cst_msb): New function.
2631 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2633 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
2636 * invoke.texi (-fmessage-length=n): Document.
2638 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
2640 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
2642 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2644 * function.c (thread_prologue_and_epilogue_insns): Put a line note
2647 2000-02-17 Nick Clifton <nickc@cygnus.com>
2649 * config/arm/thumb.c: Replace includes of system headers with
2650 #include "system.h".
2652 2000-02-16 Richard Henderson <rth@cygnus.com>
2654 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
2655 Add crtbeginS.o and crtendS.o.
2656 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
2657 (ENDFILE_SPEC): Use crtendS.o.
2658 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
2660 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
2661 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
2663 (__dso_handle): New variable.
2664 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
2665 bias to __CTOR_END__.
2667 2000-02-16 Richard Henderson <rth@cygnus.com>
2669 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
2671 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
2673 * longlong.h (__clz_tab): Declare as static to match definition.
2675 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
2676 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
2677 (XREF_FILE_NAME): Define.
2679 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
2680 (EH_FRAME_SECTION_ASM_OP): Define.
2681 (IDENT_ASM_OP): Define.
2682 (TEXT_SECTION_ASM_OP): Define.
2684 (CTORS_SECTION_ASM_OP): Define.
2685 (CTOR_SECTION_FUNCTION): Use it.
2686 (DTORS_SECTION_ASM_OP): Define.
2687 (DTOR_SECTION_FUNCTION): Use it.
2689 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
2691 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
2694 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
2695 debug_bb_n): New functions.
2696 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
2697 * basic-block.h: Prototype new functions.
2699 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
2701 * configure.in: Add support for avr target.
2702 * configure: Rebuilt.
2704 * invoke.texi: Add AVR invocation docs.
2705 * install.texi: Add information about AVR.
2706 * md.texi: Add AVR constraint letters description.
2707 * extend.texi: Add description for AVR specific attributes.
2709 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
2711 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
2713 2000-02-16 Nick Clifton <nickc@cygnus.com>
2715 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
2716 (make_insn_raw): Move RTL check here.
2718 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2720 * version.c: Include gansidecl.h and version.h.
2722 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
2724 * configure.in (gcc_version): When setting, narrow search to
2725 lines containing `version_string'.
2727 * Makefile.in (mainversion): Likewise.
2728 (GCC_H): New variable.
2729 (gcc.h): Delete target.
2730 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
2731 (version.o): Depend on version.h.
2732 (dbxout.o): Don't depend on gcc.h.
2734 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
2735 Michael Meissner <meissner@cygnus.com>
2737 * md.texi (Simple Constraints): Add item about whitespace.
2738 * genoutput.c (strip_whitespace): New.
2739 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
2740 strip_whitespace for constraints.
2741 Test pointer using NULL, not 0.
2743 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2745 * cpplib.c (do_line): Pedwarn for #line > 32767.
2747 * c-lex.c (readescape): Warn about '\x', but do not reject it.
2749 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
2751 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
2752 to default cpp spec.
2753 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
2754 * cpp.texi: Document __GNUC_PATCHLEVEL__.
2757 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
2760 2000-02-15 Denis Chertykov <denisc@overta.ru>
2762 * configure.in: Add support for avr target.
2764 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2766 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
2767 (sh_addr_diff_vec_mode): Don't declare.
2768 * sh.c (sh_addr_diff_vec_mode): Delete.
2770 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2772 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
2774 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2776 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
2777 (smulsi3_highpart_i): Name.
2778 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
2779 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
2780 (smulsi3_highpart, umulsi3_highpart): Likewise.
2782 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
2783 correctly independent of endianness.
2784 (mulsidi3, umulsidi3): Now define_insn. Hide details that
2785 confuse the optimizers.
2786 (mulsidi3+1, umulsidi3+1): New define_split.
2788 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
2790 * config/sh/sh.md: Guard insn splits against illegal registers.
2791 * config/sh/sh.h: Correct comment about macros.
2793 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2794 Andrew MacLeod <amacleod@cygnus.com>
2796 * Makefile.in (lcm.o): Depend on insn-attr.h.
2797 * basic-block.h (optimize_mode_switching): Declare.
2798 * lcm.c (tm_p.h, insn-attr.h): #include.
2799 (seginfo, bb_info): New structs.
2800 (antic, transp, comp, delete, insert) : New file-scope static variables.
2801 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
2802 (reg_becomes_live, optimize_mode_switching): Likewise.
2803 * tm.texi: Add description of mode switching macros.
2804 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
2806 * sh-protos.h (remove_dead_before_cse): Remove prototype.
2807 (fldi_ok, fpscr_set_from_mem): New prototypes.
2808 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
2809 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
2810 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
2811 (sh_flag_remove_dead_before_cse): Remove declaration.
2812 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
2813 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
2814 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
2815 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
2816 (barrier_align): Allow for JUMP_INSNS containing a parallel.
2817 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
2818 (fldi_ok): New function.
2819 (get_fpscr_rtx): Add fpscr_rtx as GC root.
2820 (emit_sf_insn): Only generate fpu switches when optimize < 1.
2821 (emit_df_insn): Likewise.
2822 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
2823 (sh_flag_remove_dead_before_cse): Delete.
2824 (get_free_reg, fpscr_set_from_mem): New functions.
2825 * sh.md (movdf, movsf): Remove no_new_pseudos code.
2826 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
2828 2000-02-15 Loren Rittle <ljrittle@acm.org>
2830 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
2832 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2834 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
2835 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
2837 * cccp.c: Include version.h and/or don't declare `version_string'.
2838 * collect2.c: Likewise.
2839 * alpha.c: Likewise.
2840 * arm/aof.h: Likewise.
2841 * arm/coff.h: Likewise.
2842 * arm/elf.h: Likewise.
2843 * arm/pe.h: Likewise.
2844 * arm/tcoff.h: Likewise.
2845 * arm/telf.h: Likewise.
2846 * arm/tpe.h: Likewise.
2847 * arm/vxarm.h: Likewise.
2848 * convex/convex.c: Likewise.
2849 * i386/dgux.c: Likewise.
2850 * i386/sun386.h: Likewise.
2851 * m88k/m88k.c: Likewise.
2852 * mcore/mcore-pe.h: Likewise.
2853 * mips/mips.h: Likewise.
2854 * romp/romp.h: Likewise.
2855 * sh/sh.c: Likewise.
2856 * cpphash.c: Likewise.
2857 * cppinit.c: Likewise.
2858 * dwarf2out.c: Likewise.
2859 * dwarfout.c: Likewise.
2862 * mips-tfile.c: Likewise.
2863 * protoize.c: Likewise.
2864 * toplev.c: Likewise.
2867 * version.c (version_string): Constify a char*.
2869 * version.h: New file.
2871 2000-02-14 Nick Clifton <nickc@cygnus.com>
2873 * configure.in: Add mcore-elf and mcore-pe targets.
2874 * configure: Regenerate.
2876 * NEWS: Add note that MCore port has been contributed.
2878 * invoke.texi: Document command line switches for MCore port.
2879 * install.texi: Add MCore to list of supported targets.
2881 2000-02-14 Geoff Keating <geoffk@cygnus.com>
2883 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
2884 then we will need to import the frame handling functions.
2885 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
2886 to import the frames themselves.
2888 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
2889 Jason Eckhardt <jle@cygnus.com>
2891 * basic_block.h: Added prototype for reorder_basic_blocks.
2892 * toplev.c: Changes to add -freorder-blocks and graph dump after
2893 block reordering is done.
2894 * flow.c (reorder_block_def): New structure for use during block
2896 (REORDER_BLOCK_*): New macros to access members of above structure.
2897 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
2898 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
2899 functions for block reordering.
2901 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
2903 * gcc.texi (Passes): Fix typo.
2904 * md.texi (Standard Names): Ditto.
2905 * tm.texi (Storage Layout): Ditto.
2907 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
2909 * cpplib.c (do_define): Only free the old definition if it
2912 2000-02-13 Neil Booth <NeilB@earthling.net>
2914 * cppfiles.c (read_and_prescan): When emitting deferred
2915 newlines, test speccase[] again instead of checking each
2916 possible whitespace character in turn. When we encounter \r,
2917 look behind for \n first, then ahead.
2919 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
2921 * cse.c (cse_altered): New internal flag.
2922 (cse_insn): Set it if we changed an insn.
2923 (cse_main): Clear cse_altered before each basic block.
2924 Only garbage collect if cse_altered is true afterward.
2926 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2928 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
2930 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
2932 * combine.c (simplify_comparison): Fix typo.
2934 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
2936 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
2939 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2941 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
2942 previously inserted node instead of root node. Caller changed.
2944 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2946 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
2948 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2950 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
2951 __dereg_frame_dtor): Add prototype argument.
2953 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
2955 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
2957 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
2959 * gthr-vxworks.h (__gthread_once): Likewise.
2961 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
2963 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
2965 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
2966 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
2967 stack pointer in functions w/o saved registers, output LEAVE more often
2968 on TARGET_USE_LEAVE machines.
2970 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
2972 * config/arm/arm.c (arm_init_cumulative_args); New function:
2973 Initlaise the CUMULATIE_ARGS strcuture for a function
2975 (arm_function_arg): New function: Determine where to place a
2976 function's argument. Also handles deciding the function's
2978 (current_file_function_operand): New function: Return true if
2979 the symbol is a function which has already been compiled.
2980 (arm_is_long_call_p): New function: Return true if the
2981 indicated function should be called via a long call.
2982 (arm_valid_type_attribute_p): New function: Return true if the
2983 attribute is a valid, arm specific, attribute.
2984 (arm_comp_type_attribute): New function: Return true if the
2985 two types have compatable, arm specific, attributes.
2987 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
2989 (FUNCTION_ARG): Redefine to call arm_function_arg.
2990 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
2992 (INIT_CUMULATIVE_ARGS): Redefine to call
2993 arm_init_cumulative_args.
2994 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
2996 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
2998 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
3000 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
3001 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
3002 (COMP_TYPE_ATTRIBUTES): Define.
3004 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
3005 if a long call is needed.
3006 (call_value): Call arm_is_long_call_p to decide if a long call
3008 (call_symbol): Call arm_is_long_call_p to decide if a long call
3011 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
3013 2000-02-11 Denis Chertykov <denisc@overta.ru>
3015 * README.AVR: New file with information about the avr ports.
3016 * config/avr: New directory with avr port files.
3018 2000-02-11 Andreas Jaeger <aj@suse.de>
3020 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
3022 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
3024 * cpphash.c: Fix formatting, update commentary.
3025 (dump_definition): Take three separate arguments instead of a
3026 MACRODEF structure argument.
3027 * cpphash.h: Update prototype of dump_definition.
3028 * cppinit.c (cpp_finish): Update call of dump_definition.
3030 * cpplib.c (do_define): Always create new hash entry with
3031 T_MACRO type. Remove redundant check for redefinition of
3032 poisoned identifier. Update call of dump_definition.
3033 (do_undef): Don't call check_macro_name. Rename sym_length to
3035 (do_error, do_warning): Don't use copy_rest_of_line or
3037 (do_warning): Don't use pedwarn for the actual warning,
3038 only the notice about its not being in the standard. (Fixes
3039 bug with #warning in system headers.)
3040 (do_ident): Stricter argument checking - accept only a single
3041 string after #ident. Also, macro-expand the line.
3042 (do_xifdef): Use cpp_defined. De-obfuscate.
3044 (do_pragma): Split out specific pragma handling to separate
3045 functions. Use get_directive_token. Update commentary. Do
3046 not pass on #pragma once or #pragma poison to the front end.
3047 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
3048 do_pragma_default): New.
3050 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
3052 * jump.c (jump_optimize_1): The first operand in a relational
3054 * optabs.c (emit_conditional_move): Handle relationals which
3055 have a known true/false result.
3057 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3059 * function.c (thread_prologue_and_epilogue_insns): Don't insert
3060 a RETURN insn into a block which already ends with a jump.
3062 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3064 * haifa-sched.c (BUF_LEN): Increase a lot.
3066 2000-02-11 Nick Clifton <nickc@cygnus.com>
3068 * configure.in: Add tm_p_file specification for thumb targets.
3069 * configure: Regenerate.
3071 * config/arm/thumb-protos.h: New file: Prototypes for exported
3072 functions defined in thumb.c.
3074 2000-02-11 Robert Lipe <robertl@sco.com>
3076 * Makefile.in (bootstrap-lean): Remove additional files.
3077 (bootstrap2-lean): Likewise.
3078 (VOL_FILES): List of files for above.
3080 2000-02-11 Nathan Sidwell <nathan@acm.org>
3082 * cpphash.c (special_symbol): Remove spurious argument to
3085 2000-02-11 Joel Sherrill (joel@OARcorp.com>
3087 * configure.in: (i*86-*-rtems*): Swapped elf and coff
3089 * configure: Rebuilt.
3091 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
3093 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
3095 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
3097 * pa.c, pa.h: Remove trigraph sequences within comments.
3099 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
3101 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
3103 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
3105 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
3107 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3109 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
3111 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3113 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
3114 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
3115 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
3116 (ASM_FILE_END): Use c4x_file_end.
3117 * config/c4x/c4x.c (c4x_global_label): New function.
3118 (c4x_external_ref, c4x_file_end): Likewise.
3120 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
3121 (c4x_external_ref, c4x_end_file): Likewise.
3123 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
3125 * cppexp.c: Don't include cpphash.h.
3126 (parse_charconst, cpp_lex): Use cpp_defined.
3127 (cpp_lex): Use get_directive_token throughout. Remove
3128 unnecessary cases from switch. Move assertion-handling code
3130 (cpp_parse_expr): If we see '+' or '-', check the context to
3131 determine if they are unary or binary operators. Streamline
3132 the jumps a bit. Do not call skip_rest_of_line.
3134 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
3135 static. Export get_directive_token. Update commentary.
3136 (cpp_defined): New function.
3137 (do_define): Remove reference to T_PCSTRING. Call
3138 free_definition to release memory for old definition, when
3140 (eval_if_expression): Set only_seen_white to 0 before calling
3141 cpp_parse_expr. Call skip_rest_of_line after it returns.
3142 (cpp_read_check_assertion): Don't preserve a pointer into the
3143 token buffer across a call to cpp_get_token.
3145 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
3146 * cppfiles.c (redundant_include_p): Use cpp_defined.
3147 * cpphash.c (free_definition): New function.
3148 (delete_macro): Use it. Update commentary.
3149 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
3151 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
3152 from enum node_type. Prototype cpp_defined and get_directive_token.
3153 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
3155 * fix-header.c (check_macro_names): Use cpp_defined.
3156 (read_scan_file): Set inhibit_warnings and inhibit_errors in
3157 the options structure.
3159 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3161 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
3163 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
3165 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
3166 rather than die->die_tag.
3168 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3170 * combine.c (make_extraction, force_to_mode): Avoid warning on
3171 mixed-signedness conditionals.
3172 (make_field_assignment, nonzero_bits): Likewise.
3173 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
3174 (store_split_bit_field, extract_split_bit_field): Likewise.
3175 (extract_fixed_bit_field, store_bit_field,
3176 * expr.c: Change alignment to be unsigned everywhere.
3177 (move_by_pieces, store_constructor_field, store_constructor):
3178 Alignment parm is unsigned.
3179 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3180 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
3181 (do_compare_rtx_and_jump): Likewise.
3182 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
3183 Compare align with GET_MODE_ALIGNMENT.
3184 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
3185 (get_inner_reference): Likewise.
3186 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
3187 (expand_assignment): Local vars for alignment now unsigned.
3188 (store_constructor, store_field, expand_expr, do_jump): Likewise.
3189 (do_compare_and_jump): Likewise.
3190 (store_field): Call new function expr_align.
3191 * expr.h (emit_block_move, emit_group_load, emit_group_store):
3192 Alignment arg now unsigned.
3193 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
3194 (do_compare_rtx_and_jump, store_bit_field): Likewise.
3195 (extract_bit_field): Likewise.
3196 * fold-const.c (add_double): Add cast to eliminate signedness warning.
3197 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
3198 (get_best_mode): Alignment arg is unsigned.
3199 * rtl.h (move_by_pieces): Likewise.
3200 * store-layout.c (maximum_field_alignment, set_alignment):
3202 (layout_decl): Alignment arg is now unsigned.
3203 Remove unneeded casts.
3204 (layout_record, layout_union, layout_type): Remove unneeded casts.
3205 Local alignment variables now unsigned.
3206 (get_best_mode): Alignment arg now unsigned.
3207 * tree.c (expr_align): New function.
3208 * tree.h (expr_align): Likewise.
3209 (maximum_field_alignment, set_alignment): Now unsigned.
3210 (get_inner_reference): Alignment argument is now pointer to unsigned.
3211 * varasm.c (assemble_variable): Add cast to eliminate warning.
3213 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
3215 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
3216 then store directly into op0.
3218 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
3219 the CALL_INSN, and emit the note immediately after it.
3221 2000-02-10 Nick Clifton <nickc@cygnus.com>
3223 * config/arm/thumb.md (epilogue): Include a (return) in the
3224 generated insn, and emit it using emit_jump_insn not
3227 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
3229 * function.c (assign_temp): Change zero-sized arrays to size 1.
3230 * integrate.c (expand_inline_function): Do not update
3231 stack_alignment_needed
3232 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
3233 add some sanity checking, remove optimization for function with
3236 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3238 * flow.c (mark_regs_live_at_end): Delete unused variables.
3240 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
3242 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
3243 in macro FRAME_GROWS_DOWNWARD.
3245 * stmt.c (expand_end_bindings): Delete unused variable.
3247 * unroll.c (iteration_info): Mark parameter `loop' with
3250 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3252 * fixinc/server.c (load_data): Return NULL if the marker line is
3254 (run_shell): If load_data returns NULL, retry the command once, in
3257 * configure: Rebuilt.
3259 2000-02-09 Bruce Korb <bkorb@gnu.org>
3261 * gcc/fixincludes: ** DELETED **
3262 * gcc/fixcpp: ** DELETED **
3263 * gcc/fixinc-nt.sed: ** DELETED **
3264 * gcc/just-fixinc: ** DELETED **
3265 * gcc/Makefile.in: Removed out-dated commentary
3266 * gcc/configure.in: Removed fast-fixincludes disablement.
3267 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
3269 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3270 * function.c (thread_prologue_and_epilogue_insns): Uncomment
3273 2000-02-09 Richard Henderson <rth@cygnus.com>
3275 * jump.c (delete_insn): Don't delete user labels at -O0.
3277 2000-02-09 Robert Lipe <robertl@sco.com>
3279 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
3280 Don't link with HOST_LIBS.
3282 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3284 * configure.in: Correct --help text for --with-dwarf2.
3285 Put tm-dwarf2.h after other tm files, if it's requested.
3286 * configure: Regenerate.
3287 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
3290 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3292 * cpplib.h: Provide HASHNODE typedef and forward decl of
3293 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
3294 DEFINITION, struct hashnode, struct macrodef, struct
3295 definition, scan_decls prototype, default defn of
3296 INCLUDE_LEN_FUDGE moved elsewhere.
3298 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
3299 definition, and struct hashnode moved here. Remove the unused
3300 'predefined' field from struct definition. Replace the 'args'
3301 union with its sole member. All users updated (cpphash.c).
3302 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
3303 multiple include guard.
3305 * cpphash.c (hashf): Make static; use better algorithm; drop
3306 HASHSIZE parameter; return an unsigned int.
3307 (cpp_lookup): Drop HASH parameter. PFILE parameter is
3308 used. Calculate HASHSIZE modulus here.
3309 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
3311 (create_definition): Drop PREDEFINITION parameter.
3312 * cpplib.c (do_define): Don't calculate a hash value here.
3313 Don't pass (keyword == NULL) to create_definition.
3315 * scan.h: Prototype scan_decls here.
3316 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
3317 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
3318 callers of cpp_lookup and cpp_install updated.
3320 * cpphash.c (macarg): Hoist all the flag diddling out of the
3322 (macroexpand): ... and out of the loop that calls macarg.
3323 Skip over the initial paren before macro arguments with
3324 cpp_get_non_space_token; point may be some distance before
3325 that paren. Abort if it's not there.
3327 * cpplib.c (parse_clear_mark): Delete function.
3328 (parse_set_mark, parse_goto_mark): Make static.
3329 (ACTIVE_MARK_P): New macro.
3330 (skip_block_comment, skip_line_comment): Do not bump the line
3331 if ACTIVE_MARK_P is true.
3332 (cpp_pop_buffer): The buffer to be popped may not have an
3334 (cpp_get_token): When looking for the initial paren before
3335 macro arguments, only set a mark in a file buffer, Always
3336 return to that mark before proceeding to call macroexpand or
3337 return a NAME token.
3339 * cpplib.h: Remove prototypes of parse_set_mark,
3340 parse_clear_mark, parse_goto_mark.
3341 (struct cpp_options): Rename 'put_out_comments' to
3342 'discard_comments' and invert its sense.
3343 * cppinit.c, cpphash.c, cpplib.c: All users of
3344 put_out_comments changed to use discard_comments, with
3347 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3349 * function.c (thread_prologue_and_epilogue_insns): Don't delete
3350 the edge from a block that both jumps and falls through to the
3353 2000-02-09 Scott Bambrough <scottb@netwinder.org>
3355 * config/arm/arm.md (movsi): In PIC mode, make sure that a
3356 constant source address is legitimate.
3358 2000-02-09 Philip Blundell <pb@futuretv.com>
3360 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
3363 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
3365 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
3367 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3369 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
3370 ends with a newline and a NUL. Don't be so clever manipulating
3373 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
3375 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
3376 not to BIGGEST_ALIGNMENT.
3378 2000-02-08 Geoff Keating <geoffk@cygnus.com>
3380 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
3381 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
3382 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
3383 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
3384 * frame.c (execute_cfa_insn): Handle
3385 DW_CFA_GNU_negative_offset_extended.
3387 2000-02-08 Richard Henderson <rth@cygnus.com>
3389 * flow.c (tidy_fallthru_edges): Split out from ...
3390 (delete_unreachable_blocks): ... here.
3391 (find_basic_blocks): Use it.
3393 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3395 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
3397 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
3399 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
3400 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
3401 (fix-header.o): Don't depend on cpphash.h.
3403 * scan.c (hashstr): New function.
3404 * scan.h: Prototype it.
3405 * fix-header.c: Don't include cpphash.h. Use hashstr.
3406 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
3407 hashstr. Report hash table statistics. Add private
3408 definition of xrealloc.
3410 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3412 * i386.h (TARGET_SWITCHES): Fix typo in option name.
3414 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
3416 * function.c (thread_prologue_and_epilogue_insns): Don't replace
3417 jumps with returns unless they are jumps to the fallthru block.
3419 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
3421 * i386.md (addqi3_cc): Fix contraints.
3423 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
3425 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
3427 2000-02-07 Mark Mitchell <mark@codesourcery.com>
3429 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
3430 carriage return after a macro name.
3432 2000-02-07 Fred Fish <fnf@be.com>
3434 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
3435 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
3437 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
3439 * cppfiles.c (deps_output): Count spacers in deps_column.
3441 2000-02-07 Neil Booth <NeilB@earthling.net>
3443 * cppinit.c (initialize_dependency_output): If there is no
3444 suffix, don't try to look for known suffixes. Use strrchr.
3445 (cpp_start_read): Remove duplicate initialization.
3447 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
3449 * calls.c (compute_argument_block_size): New argument
3450 preferred_stack_boundary.
3451 (expand_call): update cfun->preferred_stack_boundary, update call of
3452 compute_argument_block_size
3453 (emit_library_call): Increate cfun->preferred_stack_boundary
3454 to PREFERRED_STACK_BOUNDARY
3455 (emit_library_call_value): Likewise.
3456 * explow.c (allocate_dynamic_stack_spave): Likewise.
3457 * function.c (prepare_function_start): Set
3458 cfun->preferred_stack_boundary
3459 * function.h (struct function): Add preferred_stack_boundary field.
3460 * integrate.c (expand_inline_function): Update
3461 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
3462 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
3463 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
3465 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
3467 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
3468 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
3469 cpp_pedwarn, cpp_pedwarn_with_line,
3470 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
3471 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
3472 v_cpp_error_with_line, v_cpp_warning_with_line,
3473 cpp_message_from_errno, cpp_perror_with_name): Delete.
3475 * cpperror.c (cpp_print_containing_files): Take starting
3477 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
3478 (v_cpp_message): Now called directly by all entry points.
3480 (cpp_pfatal_with_name, cpp_message): Delete.
3481 (cpp_notice_from_errno, cpp_ice): New functions.
3482 (cpp_notice): Is now for reporting error conditions, just
3483 without an associated file.
3484 (cpp_error, cpp_error_with_line): Don't do anything if
3485 opts->inhibit_errors is on.
3486 (cpp_pedwarn_with_file_and_line): Take column argument also.
3488 * cpplib.h: Update prototypes of exported functions.
3489 (struct cpp_options): Add inhibit_errors.
3491 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
3492 non-error messages. Include intl.h.
3494 * cppinit.c, cppmain.c: Likewise. Also, use
3495 cpp_notice_from_errno instead of cpp_perror_with_name or
3496 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
3498 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
3499 report internal errors.
3501 * cpplib.c (do_define): Switch bcopy to memcpy.
3502 Give cpp_pedwarn_with_file_and_line a dummy column argument.
3504 * cpplib.c (copy_rest_of_line): Revert previous change: don't
3505 bail out early if we hit a line comment.
3507 2000-02-06 Richard Henderson <rth@cygnus.com>
3509 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
3510 * basic-block.h: Declare them.
3511 * emit-rtl.h (active_insn_p): New.
3512 (next_active_insn, prev_active_insn): Use it.
3513 * rtl.h: Declare it.
3514 * function.c (emit_return_into_block): New.
3515 (thread_prologue_and_epilogue_insns): Insert return insns instead
3516 of epilogues when possible.
3517 * jump.c (jump_optimize_1): Remove code to insert a return insn
3518 on the fallthru to the exit block.
3520 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
3521 and for non-empty stack frames.
3522 * i386.md (return): Expand to return-pop as needed.
3524 2000-02-06 Richard Henderson <rth@cygnus.com>
3526 * simplify-rtx.c (simplify_relational_operation): Canonicalize
3527 constant to op1 for testing.
3529 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3531 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
3532 (fixuns_truncqfqi2): Use it.
3534 2000-02-06 Richard Henderson <rth@cygnus.com>
3536 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
3539 * i386.md (widening and peepholes): Mask the constant instead of
3542 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3544 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
3545 input pointer before possibly branching off to the backslash
3547 * cpphash.c (macroexpand): Correctly delete \r escapes when
3548 stringifying parameters.
3549 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
3550 if we can; bail out early if we hit a line comment.
3551 (handle_directive): Treat '# 123' in an .S file just like
3552 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
3553 Return 1 for '# not_a_directive'.
3554 (get_directive_token): Pop macro buffers here, so that
3555 cpp_get_token can't sneakily move past a newline.
3557 (cpp_get_token): goto randomchar if handle_directive returns 0.
3559 * cppalloc.c: Update copyright.
3560 * cpplib.c: Merge all the static function prototypes into one
3562 * cpplib.h: Remove #if 0 block.
3564 * cpperror.c: Remove #ifdef EMACS block.
3565 * cppmain.c: Likewise.
3566 * cpphash.c: Remove #if 0 blocks.
3567 * cppinit.c: Remove #if 0 blocks, and the -lint option.
3568 * cpplib.c: Remove #if 0 blocks and code referencing
3569 pcp_inside_if or for_lint. Remove duplicate error message.
3570 Fix error messages for #else after #else or #elif. Reformat.
3571 Remove archaic TODO list.
3572 * cpplib.h: Remove pcp_inside_if and for_lint flags.
3574 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3576 * i386/osf1elf.h: Add missing backslash to multiline string.
3578 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3580 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
3582 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3584 * Makefile.in (c-common.o): Depend on $(EXPR_H).
3586 * c-common.c: Include expr.h.
3588 * c-pragma.c (mark_align_stack): Add prototype.
3590 * caller-save.c (add_stored_regs): Likewise.
3592 * combine.c (record_promoted_value): Likewise.
3594 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
3597 * cppinit.c (new_pending_define): Likewise.
3599 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
3601 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
3602 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
3603 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
3604 class_scope_p): Likewise.
3606 * dwarf2out.h (dwarf2out_set_demangle_name_func,
3607 dwarf2out_add_library_unit_info): Likewise.
3609 * ggc.h (ggc_page_print_statistics): Likewise.
3611 * haifa-sched.c (propagate_deps): Likewise.
3613 * reg-stack.c (next_flags_user, record_label_references): Likewise.
3615 * rtl.h (set_stack_check_libfunc): Likewise.
3617 * toplev.h (set_fatal_function): Likewise.
3619 * toplev.c (set_fatal_function): Delete prototype.
3621 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
3623 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3625 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
3626 (FUNC_END): Likewise.
3628 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3630 * caller-save.c: Include tm_p.h.
3632 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3634 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
3636 2000-02-04 Neil Booth <NeilB@earthling.net>
3638 * cccp.c (main): Check 'dir' for a NULL pointer before passing
3641 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
3643 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
3644 * genflags.c: Use the max_operand_1 logic from genemit.c to
3645 calculate how many arguments gen_insn prototypes have. Remove
3646 NO_MD_PROTOTYPES ifdefs from the generated file.
3647 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
3648 file. Cast gen_insn initializers to insn_gen_fn.
3649 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
3650 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
3652 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3654 * fixinc/Makefile.in (HDR): Add machname.h.
3657 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3659 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
3660 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
3661 (c4x_cpu_version): Ditto.
3662 * config/c4x/c4x-protos.h: ... here.
3664 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
3666 * dwarf2out.c (add_abstract_origin_attribute): Don't call
3667 gen_abstract_function on our context if we're a nested function.
3669 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3671 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
3672 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
3674 2000-02-04 Bruce Korb <bkorb@gnu.org>
3676 * fixinc/genfixes(machname.h):
3677 Move the functionality from gen-machine.h into this file.
3678 UNdef MN_NAME_PAT if there are no names to change.
3679 Also, be a little kinder when AutoGen is not present.
3681 * fixinc/Makefile.in(machname.h):
3682 Change the generation rule to use genfixes.
3684 * fixinc/fixfixes.c(machine_name):
3685 machine_name_fix's functionality now dependent upon whether
3686 MN_NAME_PAT is defined.
3688 * fixinc/fixtests.c(machine_name):
3691 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
3694 * fixinc/fixlib.h(mn_get_regexps):
3697 * fixinc/gen-machine.h: DELETED
3699 2000-02-04 Jan Hubicka <jh@suse.cz>
3700 Richard Henderson <rth@cygnus.com>
3702 * i386.c (SAVE_REGS_FIRST): Remove.
3703 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
3704 (ix86_compute_frame_size): Likewise.
3705 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
3706 (ix86_emit_restore_regs): Remove.
3707 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
3708 when a frame pointer is in use.
3709 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
3710 instead of pop to restore a register when profitable; emit leave
3712 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
3714 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
3715 * i386.md (prologue_allocate_stack): Remove.
3716 (epilogue_deallocate_stack): Remove.
3717 (pro_epilogue_adjust_stack): New.
3719 2000-02-04 Richard Henderson <rth@cygnus.com>
3721 * function.c (diddle_return_value): Rework to use a callback function.
3722 Use current_function_return_rtx if it's been set up.
3723 (do_clobber_return_reg, clobber_return_register): New.
3724 (do_use_return_reg, use_return_register): New.
3725 (expand_function_end): Use them.
3726 * stmt.c (expand_null_return): Likewise.
3727 * function.h: Declare them.
3728 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
3729 (mark_reg): Change arguments as appropriate for callback.
3730 * integrate.c (expand_inline_function): Revert 19 Jan change.
3732 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
3734 * tm.texi (Values in Registers): Fix typo: "fo" "for".
3735 (Misc): Say the scheduler, not the Haifa scheduler.
3737 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
3739 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
3740 when in_mem is set. Update all callers.
3742 2000-02-04 Richard Henderson <rth@cygnus.com>
3744 * i386/openbsd.h (INT_ASM_OP): Define.
3746 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
3748 * tm.texi: Fix various typos.
3750 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
3752 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
3753 (MD_STARTFILE_PREFIX_1): New macro.
3755 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
3757 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
3758 destination when needed.
3759 (strmovsi, strsetsi): New expander.
3760 (strmovsi_1, strsetsi_1): New pattern.
3761 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
3762 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
3763 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
3764 * invoke.texi (align-stringops, inline-all-stringops): Document.
3766 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
3768 * i386/netbsd.h (INT_ASM_OP): Define.
3770 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
3772 * cpplib.h (cpp_reader): Add new flag, no_directives.
3773 * cpphash.c (macarg): Set it.
3774 * cpplib.c (handle_directive): If no_directives is on and we
3775 find a directive, issue an error and discard the line.
3777 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
3779 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
3780 FP constants. Add ! TARGET_FPU check for FP constants.
3782 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
3784 * flow.c (find_basic_blocks): Don't kill label_value_list
3786 (cleanup_cfg): Kill it here.
3788 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3790 * expr.c (store_field): Ensure ALIGN is no stricter than the
3793 2000-02-02 Richard Henderson <rth@cygnus.com>
3795 * jump.c (delete_insn): Partially revert 19 Jan change;
3796 don't convert unused code labels to notes at -O0.
3798 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3800 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
3801 split_all_insns to recreate REG_LABEL notes for flow2 pass.
3803 2000-02-01 Richard Henderson <rth@cygnus.com>
3805 * i386.c (general_no_elim_operand): New.
3806 (nonmemory_no_elim_operand): New.
3807 (ix86_expand_move): Copy eliminable operands before a push.
3808 * i386-protos.h: Declare new functions.
3809 * i386.h (CAN_ELIMINATE): Simplify.
3810 (PREDICATE_CODES): Update.
3811 * i386.md (push insns): Don't allow eliminable register operands.
3813 2000-02-01 Richard Henderson <rth@cygnus.com>
3815 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
3816 replace BLKmode with DECL_RTL's mode.
3818 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
3820 * frame.c (find_fde): Convert for loop to do-while so compiler
3821 sees it's always executed at least once.
3822 * libgcc2.c (BBINBUFSIZE): Kill.
3823 (__bb_init_prg): Use fgets.
3824 (__bb_exit_trace_func): Don't paste strings.
3825 * unroll.c (unroll_loop): Initialize unroll_type, not
3826 unroll_number, and tweak logic to match.
3828 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
3830 (ix86_flags_dependant): Likewise. Disentangle control flow.
3831 (ix86_sched_reorder): Break guts out to
3832 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
3833 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
3836 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
3837 use string concatenation. Don't save and restore esi.
3839 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
3840 (machname.h): Remove script to separate file. Use two-step
3841 sequence so target is not created if script fails.
3842 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
3843 identifiers are defined.
3844 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
3845 an empty string, machine_name doesn't need to do anything at
3847 (is_cxx_header): Add more cases to regexp.
3848 * fixinc/fixlib.h: Update prototype.
3849 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
3851 * fixinc/fixincl.c: Define NO_BOGOSITY.
3853 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
3854 (hp_sysfile): Add missing comma.
3855 (math_exception): Put the wrapper ifdefs at the beginning and
3856 the end of the file.
3857 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
3859 2000-02-01 Richard Henderson <rth@cygnus.com>
3861 * sparc.c (fp_zero_operand): Turn into a normal predicate.
3862 Use CONST0_RTX. Update all callers.
3863 * sparc.h, sparc-protos.h: Update accordingly.
3864 * sparc.md (fp mov insns): Use fp_zero_operand directly
3867 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
3869 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
3872 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3874 * Makefile.in (specs.ready): New target.
3875 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
3877 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3879 * fixinc.irix: Use unique filenames for writing into /tmp,
3880 * fixinc.ptx: Likewise.
3881 * fixinc.sco: Likewise.
3882 * fixinc.svr4: Likewise.
3883 * fixinc.winnt: Likewise.
3885 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3887 * tsystem.h: New file.
3889 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
3890 s-crtS): Depend on tsystem.h.
3892 * crtstuff.c: Include tsystem.h.
3893 * frame.c: Likewise.
3894 * libgcc2.c: Likewise.
3896 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
3898 * builtins.c (expand_builtin_memset): Expand for variable sized
3901 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
3903 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
3906 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
3908 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
3910 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
3912 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
3914 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
3915 case 3->2 combining (combining with splitting) in which 2 is CC0
3916 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
3917 checked at the begining of the function with the aid of calling
3918 function 'can_combine_p'.
3920 2000-01-31 Dave Brolley <brolley@redhat.com>
3922 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
3924 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
3926 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
3929 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3931 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
3933 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
3936 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
3938 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
3939 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
3940 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
3941 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
3942 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
3943 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
3944 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
3945 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
3946 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
3947 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
3949 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
3950 Add %(cpp_cpu) to CPP_SPEC.
3952 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
3953 Add %(cc1_cpu) to CC1_SPEC.
3955 2000-01-28 Ulrich Drepper <drepper@redhat.com>
3957 * c-decl.c (c_decode_option): Accept optional numeric argument to
3958 -Wformat and set warn_format.
3959 * c-common.c: Don't emit warning about non-constant printf format
3960 string unless warn_format > 1.
3962 2000-01-30 Richard Henderson <rth@cygnus.com>
3964 * alpha.md (return_internal): Allow after reload only.
3966 2000-01-30 Richard Henderson <rth@cygnus.com>
3968 * i386.c (ix86_compute_frame_size): Omit padding1 if the
3969 local frame size is zero.
3971 2000-01-30 Richard Henderson <rth@cygnus.com>
3973 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
3974 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
3975 * alpha.md (return): Turn into an expander.
3976 (return_internal): Don't use $26.
3977 (epilogue): Emit the return insn.
3979 2000-01-30 Richard Henderson <rth@cygnus.com>
3981 * alpha.md (negtf2, abstf2): Fix word order thinko.
3983 (trunctfsf2): Avoid intermediate rounding errors.
3985 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
3987 * cppfiles.c (find_position): Drop 'colp' argument, return the
3989 (read_and_prescan): Adjust to match. Don't ever manipulate
3990 line or line_base except via find_position.
3992 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
3994 * c-parse.in: Apply Ulrich's changes from c-parse.y.
3995 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
3998 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
4000 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
4001 just print "<command line>". If 'filename' is null or an
4002 empty string, print "<stdin>" for the filename.
4003 * cpplib.c (do_define): Don't print the 'location of the
4004 previous definition' message if we're still parsing the
4006 (cpp_pedwarn_with_file_and_line): Always call
4007 cpp_file_line_for_message.
4009 2000-01-29 Mark Mitchell <mark@codesourcery.com>
4011 * flow.c (mark_regs_live_at_end): Fix typo.
4013 2000-01-28 Ulrich Drepper <drepper@redhat.com>
4015 * c-common.c: Adjust variable names, comments, help strings to c99.
4016 * c-lex.c: Likewise.
4017 * c-parse.y: Likewise.
4018 * c-tree.h: Likewise.
4020 * cpplib.h: Likewise.
4021 * c-decl.c: Likewise. Recognize options with names "*99" as well.
4022 * cppinit.c: Likewise.
4024 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4026 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
4027 * c4x.c: Define the optab rtx values.
4028 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
4029 (c4x_emit_libcall): Use new optab rtx values.
4030 (c4x_emit_libcall3): Likewise.
4031 (c4x_emit_libcall_mulhi): Likewise.
4032 * c4x-protos.h: Add prototypes for optab rtx values and change
4033 prototypes for above c4x_emit_libcall functions.
4035 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4037 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
4039 (c4x_function_prologue): Use regnames intead of float_reg_names when
4041 (c4x_function_epilogue): Likewise.
4042 (c4x_print_operand): Likewise.
4043 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
4044 * c4x.md (set_high): Disable for TARGET_TI.
4046 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4048 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
4049 of framepointer + constant to ADDR_REGS class.
4050 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
4051 * c4x.c (std_or_reg_operand): New function.
4052 * c4x-protos.h (std_or_reg_operand): Prototype it.
4054 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4056 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
4057 object names as libgcc2.c.
4058 * libgcc.S: Use newly defined names.
4060 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
4061 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
4063 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
4064 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
4065 (FLOW_LOOP_LAST_BLOCK): Likewise.
4067 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4069 * basic-block.h (struct loop): New fields 'first' and 'last'.
4070 * flow.c (flow_loops_find): Compute loop->first and loop->last.
4071 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
4072 and loop->last to check for NOTE_INSN_LOOP_END.
4074 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
4076 * predict.c (estimate_probability): Use the new FIRST and LAST fields
4077 of the loop descriptor rather than HEADER and LATCH. Also added
4078 missing break statements as well making some coding style modifications
4079 as suggested by Michael Hayes.
4081 2000-01-28 Richard Henderson <rth@cygnus.com>
4083 * flow.c (find_basic_blocks): Remove do_cleanup argument.
4084 Break out that code ...
4085 (cleanup_cfg): ... here.
4086 (commit_one_edge_insertion): Detect a return instruction being
4087 emitted to an edge. Emit a barrier following; clear fallthru.
4088 (commit_edge_insertions): Verify CFG consistency.
4089 * function.c (expand_function_start): Kill unused variable.
4090 (expand_function_end): Likewise.
4091 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
4092 to insert the epilogue.
4094 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
4095 (delete_null_pointer_checks): Likewise.
4096 * output.h: Likewise.
4097 * reg-stack.c (reg_to_stack): Likewise.
4098 * toplev.c (rest_of_compilation): Likewise. Run
4099 thread_prologue_and_epilogue_insns after rebuilding the CFG.
4101 2000-01-28 Richard Henderson <rth@cygnus.com>
4103 * Makefile.in (flow.o): Revert 24 Jan change.
4104 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
4105 FUNCTION_VALUE result to DECL_RESULT's mode.
4107 * haifa-sched.c (schedule_insns): Don't recompute reg info
4110 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
4112 * configure.in: Make --enable-cpplib the default.
4113 * configure: Regenerate.
4114 * gcc.dg/990119-1.c: No longer expected to fail.
4116 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
4118 * jump.c (jump_optimize_1): Delete an optimization that is also done
4119 by merge_blocks in flow.
4121 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4123 * diagnostic.c (build_message_string, output_printf,
4124 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
4125 (build_location_prefix): Fix non-literal format string.
4127 2000-01-27 Richard Henderson <rth@cygnus.com>
4129 * alpha.md (trunctfsf2): New.
4131 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
4133 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
4135 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
4137 * cppinit.c (cpp_handle_option): Recognize C++ comments under
4139 * cpplib.c (skip_block_comment, skip_line_comment): Split code
4141 (skip_comment) ... here. Permit C++ comments in system
4142 headers always. Warn about C++ comments in user code under
4143 -std=gnu89 -pedantic.
4144 (copy_comment): Use skip_comment.
4145 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
4147 (consider_directive_while_skipping, do_else, do_endif): Call
4148 validate_else unconditionally.
4149 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
4150 text after the conditional in a system header.
4151 * cpplib.h (struct cpp_buffer): Add flag
4152 warned_cplusplus_comments.
4154 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
4156 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
4157 Use unshare_all_rtl_1.
4158 (unshare_all_rtl_again): New function.
4159 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
4161 * function.c (purge_addressof_1): Use unshare_all_rtl_again
4162 rather than resetting the 'used' flags ourself.
4164 * toplev.c (rest_of_compilation): Add current_function_decl
4165 to the unshare_all_rtl call.
4166 * tree.h: Prototype unshare_all_rtl.
4167 * rtl.h: Prototype unshare_all_rtl_again here.
4169 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
4171 * genoutput.c (output_prologue): Include ggc.h in generated
4173 * Makefile.in (insn-output.o): Depends on ggc.h.
4175 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
4176 Hans-Peter Nilsson <hp@bitrange.com>
4178 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
4179 Remove redundant include of xm-ns32k.h.
4180 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
4181 Remove redundant include of xm-ns32k.h.
4182 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
4183 Remove redundant include of xm-ns32k.h.
4184 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
4186 * ns32k/ns32k.h: Update comment on multiply-add instructions.
4187 (TARGET_SWITCHES): Add documentation strings.
4188 (DWARF_FRAME_REGNUM): Override default definition.
4189 (REG_CLASS_CONTENTS): Add comments.
4190 (SUBSET_P): Format to reduce line length.
4191 (SMALL_REGISTER_CLASSES): Make a run time option.
4192 (GO_IF_NONINDEXED_ADDRESS): Reformat.
4193 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
4194 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
4195 (regclass_map): fix typo in comment.
4196 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
4197 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
4198 (trace, reg_or_mem_operand): Delete, unused function.
4199 (calc_address_cost): Small offsets are cheaper than large ones.
4200 (expand_block_move): Generate more efficient code when bytes is a
4201 known at compile time.
4202 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
4203 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
4204 instead of reg_or_mem_operand.
4206 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
4207 not general_operand. Similarly use "=rm" or stricter, not "=g".
4208 For input operands, use stricter constraints than "g" if not
4209 general_operand. Similarly use stricter predicate than
4210 "general_operand" when stricter constraints than "g" are present,
4211 except for matching constraints.
4212 (movstrsi): Use "memory_operand" for operands 0 and 1.
4213 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
4214 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
4215 not reg_or_mem_operand.
4216 (udivmoddisi4): Ditto.
4217 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
4218 Use nonimmediate_operand for operand 3, not register_operand.
4219 (udivmoddiqi4_internal): Use register_operand for operand 1, not
4222 2000-01-27 Fred Fish <fnf@be.com>
4224 * gthr-posix.h: Fix typo; compatibily -> compatibility.
4225 * gthr-single.h: Likewise.
4226 * gthr-solaris.h: Likewise.
4227 * gthr-vxworks.h: Likewise.
4228 * gthr-win32.h: Likewise.
4231 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
4233 * cppinit.c: Add " (cpplib)" to end of string printed by
4236 2000-01-27 Richard Henderson <rth@cygnus.com>
4238 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
4239 testing for a signed comparison.
4240 (alpha_emit_floatuns): New.
4241 * alpha-protos.h: Declare it.
4242 * alpha.md (floatunsdisf2, floatunsdidf2): New.
4243 (extendsfdf2): Tidy.
4245 2000-01-27 Jakub Jelinek <jakub@redhat.com>
4247 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
4248 no -g option specifying debugging format, default to -gstabs+.
4250 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4252 * calls.c (special_function_p): New argument fork_or_exec.
4253 (expand_call): When profile_arc_flag is set and the function
4254 is in the fork_or_exec group, call __bb_fork_func first.
4255 * libgcc2.c, _bb module (__bb_fork_func): New function.
4256 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
4258 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
4259 * tree.h (special_function_p): Update prototype.
4261 2000-01-26 Richard Henderson <rth@cygnus.com>
4263 * alpha.c (alpha_split_tfmode_pair): New.
4264 * alpha-protos.h: Declare it.
4265 * alpha.md (abstf2, negtf2): New.
4266 (movtf insn): Add input G constraint.
4267 (movtf splitter): Use alpha_split_tfmode_pair.
4269 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4271 * i386/cygwin.h: PROTO -> PARAMS.
4273 2000-01-26 Jakub Jelinek <jakub@redhat.com>
4275 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
4276 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
4277 using _Qp_cmp/_Q_cmp and testing the return value.
4278 (print_operand): Call reverse_condition_maybe_unordered if
4279 we are handling CCFPmode or CCFPEmode.
4280 Handle ORDERED, UN* and LTGT comparisons.
4281 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
4282 if not TARGET_HARD_QUAD.
4283 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
4284 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
4285 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
4286 Adjust gen_b* calls so that they reflect return comparison of
4287 sparc_emit_float_lib_cmp.
4289 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4291 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
4292 incoming operands array is large enough for one more operand.
4293 (alpha_emit_xfloating_arith): Likewise.
4295 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4297 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
4298 file with one line and no trailing newline.
4299 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
4300 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
4301 checking if the match is on the line.
4302 * fixinc/gnu-regex.c: Provide regerror not __regerror.
4304 2000-01-25 Richard Henderson <rth@cygnus.com>
4306 * sparc.c (output_cbranch): Fix accidental squashing of the
4307 fp branch pre-delay nop.
4309 2000-01-25 Richard Henderson <rth@cygnus.com>
4311 * tree.def (UNNE_EXPR): Remove.
4312 * c-typeck.c (build_binary_op): Don't handle it.
4313 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
4315 * rtl.def (UNNE): Remove.
4317 * jump.c (reverse_condition): Update accordingly.
4318 (swap_condition): Likewise.
4319 (comparison_dominates_p): Handle unordered comparisons.
4320 (reverse_condition_maybe_unordered): New.
4321 * rtl.h (reverse_condition_maybe_unordered): Declare.
4323 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
4324 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
4325 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
4326 * sparc.md (bltgt): New.
4328 2000-01-25 Nick Clifton <nickc@redhat.com>
4330 * emit-rtl.c (emit_insn): Only check machine class insns for
4331 improper emission of a RETURN.
4333 2000-01-25 Richard Henderson <rth@cygnus.com>
4335 * Makefile.in (flow.o): Depend on $(EXPR_H).
4336 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
4337 duplicate the structure of diddle_return_value for keeping regs live.
4339 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4341 * loop.c (current_loop_info): Delete.
4342 (consec_sets_invariant_p): Add loop argument, update callers.
4343 (get_condition_for_loop): Likewise.
4344 (count_nonfixed_reads, update_giv_derive): Likewise.
4345 (simplify_giv_expr, general_induction_var): Likewise.
4346 (consec_sets_giv, recombine_givs): Likewise.
4347 (move_movables): Delete loop_start and loop_end arguments,
4348 add loop argument, and update callers.
4349 (find_mem_givs, check_final_value): Likewise.
4350 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
4351 (loop_invariant_p): Rename from invariant_p, add loop argument, and
4353 (basic_induction_var): Add loop argument, delete loop_level argument,
4355 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
4356 add loop argument, and update callers.
4357 (find_splittable_regs, find_splittable_givs): Likewise.
4358 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
4359 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
4360 (biv_total_increment): Delete loop_start and loop_end arguments;
4362 (precondition_loop_p): Delete loop_start and loop_info arguments;
4364 * loop.h (get_condition_for_loop): Add loop argument.
4365 (biv_total_increment): Delete loop_start and loop_end arguments.
4366 (precondition_loop_p): Delete loop_start and loop_info arguments;
4368 (final_biv_value): Delete loop_start and loop_end arguments;
4370 (final_giv_value, back_branch_in_range_p): Likewise.
4372 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
4374 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
4376 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
4378 * Makefile.in (c-gperf.h) : Change the "See" pointer to
4379 point to the new "generated_files" doc.
4381 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
4383 * config/fp-bit.c (_unord_f2): Fix typo.
4385 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4387 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
4388 c-typeck.c, objc/objc-act.c: Remove all references to obstack
4389 functions obsoleted by GC, such as push_obstacks_nochange,
4390 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
4391 and code which existed only to decide whether or not to call
4392 them. Remove now-unused NESTED argument from start_function;
4393 all callers changed. Do not change behavior based on ggc_p.
4394 The use of the ixp_obstack in c-iterate.c and the util_obstack
4395 in objc/objc-act.c remain; these are not obsoleted by garbage
4397 * c-tree.h: Update prototype for start_function.
4399 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
4401 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
4403 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
4406 2000-01-25 Richard Henderson <rth@cygnus.com>
4408 * sparc-protos.h (select_cc_mode): Declare.
4409 * sparc.c (select_cc_mode): New. Handle unordered compares.
4410 (output_cbranch): Always reverse via code change. Handle
4411 unordered compares. Factor tests and string updates.
4412 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
4413 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
4414 * sparc.md (bunordered, bordered): New.
4415 (bungt, bunlt, buneq, bunge, bunle): New.
4417 2000-01-25 Richard Henderson <rth@cygnus.com>
4419 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
4420 * ggc-common.c (ggc_add_rtx_varray_root): New.
4421 (ggc_mark_rtx_varray): New.
4422 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
4423 functions down below ggc_mark_foo.
4424 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
4426 2000-01-25 Richard Henderson <rth@cygnus.com>
4428 * alpha.c (secondary_reload_class): Don't allocate a secondary
4429 for integral mode memories into FLOAT_REGS. Rearrange the more
4430 complicated memory expression inward.
4432 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4434 * inclhack.def: Fixes to play nicer with FreeBSD, and
4435 corrections to comments.
4436 (cxx_unready): Add select expression.
4437 (irix_sockaddr): Add bypass expression.
4438 (machine_ansi_h_va_list): New fix.
4439 (stdio_va_list): No need to edit _BSD_VA_LIST_.
4440 Split out addition of "#include <stdarg.h>" to...
4441 (stdio_stdarg_h): ... here.
4442 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
4443 to stdlib.h also. Do not munge _BSD_SIZE_T_.
4444 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
4446 (ultrix_ifdef): Tighten up select expression.
4448 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
4449 re_ct and max_mach to avoid use of shell. Make printed names
4450 match names in inclhack.def. Use static copyright date.
4451 Don't count c_test and test expressions as requiring regex_t
4452 slots. Add some commentary.
4453 * inclhack.tpl: Do not include the 'This script contains N
4454 fixup scripts' line if PROGRAM is defined. Use static
4457 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
4459 * dwarf2out.c: include "varray.h", not dyn-string.h.
4460 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
4461 (addr_const_to_string, addr_to_string): Lose.
4462 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
4463 (struct dw_val_struct): val_addr is now an rtx.
4464 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
4465 (used_rtx_varray): New varray.
4466 (dwarf2out_init): Initialize it.
4468 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
4470 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
4471 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
4472 * Makefile.in (dwarf2out.o): Update dependencies.
4474 2000-01-24 Richard Henderson <rth@cygnus.com>
4476 * i386.c (i386_dwarf_output_addr_const): New.
4477 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
4479 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
4481 * dwarfout.c (output_mem_loc_descriptor): Likewise.
4482 * i386.c (i386_simplify_dwarf_addr): New.
4483 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
4485 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
4487 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
4488 TYPE_STUB_DECL is NULL.
4490 2000-01-24 Richard Henderson <rth@cygnus.com>
4492 * builtins.c (expand_tree_builtin): Move ...
4493 * c-common.c (expand_tree_builtin): ... here.
4495 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4497 * loop.h (LOOP_INFO): New accessor macro.
4498 * basic-block.h (struct loop): Rename field `info' to `aux'.
4499 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
4500 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
4501 * unroll.c (loop_iterations, unroll_loop): Likewise.
4503 2000-01-24 Christopher Faylor <cgf@cygnus.com>
4505 * config/i386/t-cygwin: Accomodate new winsup directory layout
4506 when searching for include files.
4508 2000-01-24 Richard Henderson <rth@cygnus.com>
4510 * rtl.def: Add unordered fp comparisions.
4511 * tree.def: Likewise.
4512 * tree.h: Add ISO C 9x unordered fp comparision builtins.
4514 * builtins.c (expand_tree_builtin): New function.
4515 * c-typeck.c (build_function_call): Use it.
4516 (build_binary_op): Support unordered compares.
4517 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
4519 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
4520 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
4521 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
4522 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
4523 * jump.c (reverse_condition): Don't abort for UNLE etc, but
4525 (swap_condition): Handle unordered compares.
4526 (thread_jumps): Check can_reverse before reversing.
4527 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
4530 * optabs.c (can_compare_p): New argument CODE. Verify branch or
4531 setcc is present before acking for cmp_optab. Update all callers.
4532 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
4533 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
4534 * expr.c (expand_expr): Likewise. Support unordered compares.
4535 (do_jump, do_store_flag): Likewise.
4536 * expr.h (enum libfunc_index): Add unordered compares.
4538 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
4539 (DPBIT_FUNCS): Add _unord_df.
4540 * config/fp-bit.c (_unord_f2): New.
4541 * fp-test.c (main): Try unordered compare builtins.
4543 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
4544 * alpha.c (alpha_comparison_operator): Check mode properly.
4545 (alpha_swapped_comparison_operator): Likewise.
4546 (signed_comparison_operator): Likewise.
4547 (alpha_fp_comparison_operator): New.
4548 (alpha_emit_conditional_branch): Handle unordered compares.
4549 * alpha.h (PREDICATE_CODES): Update.
4550 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
4551 (bunordered, bordered): New.
4553 2000-01-24 Richard Henderson <rth@cygnus.com>
4555 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
4556 * alpha.md (movtf): New expander, insn, and splitter.
4558 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
4560 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
4563 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
4565 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
4566 (FIXED_REGISTERS, CALL_USED_REGISTERS,
4567 REG_ALLOC_ORDER): Add frame pointer
4568 (FRAME_POINTER_REGNUM): Set to 20
4569 (HARD_FRAME_POINTER_REGNUM): New macro.
4570 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
4571 to HARD_FRAME_POINTER.
4572 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
4573 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
4574 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
4575 (HI_REGISTER_NAMES): Add "frame".
4576 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
4577 (debug_reg): Handle FRAME_POINTER_REGNUM.
4578 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
4579 GENERAL_REGS and INDEX_REGS.
4580 * i386.c (SAVED_REGS_FIRST): new macro.
4581 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
4582 (ix86_decompose_address, memory_address_length): Likewise.
4583 (regclass_map): Add frame pointer.
4584 (call_insn_operand): Handle frame_pointer_rtx.
4585 (reg_no_sp_operand): Likewise.
4586 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
4587 (print_operand, legitimize_pic_address): Fix formating.
4588 (ix86_compute_frame_size): Make static, update prototype, new
4589 parameters padding1, padding2, use ix86_nsaved_regs, use
4590 stack_alignment_needed.
4591 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
4592 to HARD_FRAME_POINTER_REGNUM conversions.
4593 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
4594 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
4595 (print_reg): Abort on FRAME_POINTER_REGNUM
4597 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
4599 * i386.h (PREDICATE_CODES): Add aligned_operand.
4600 * i386.c (aligned_operand): New function.
4601 (ix86_aligned_p): Kill.
4602 * i386.md (movhi_1): Emit mov for aligned operands.
4603 (promoting peep2s): Use aligned_operand.
4605 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
4607 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
4608 expression to allow underscores in macro names.
4609 (fix_char_macro_defines): Increment scanning pointer.
4611 2000-01-23 Richard Henderson <rth@cygnus.com>
4613 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
4614 * alpha/osf5.h: New file.
4615 * configure.in (alpha-*-osf5): Add it to tm_file.
4617 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
4619 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
4620 (alpha_emit_xfloating_cvt, function_arg): Declare.
4621 * alpha.c (alpha_emit_conditional_branch): Call
4622 alpha_emit_xfloating_compare for TFmode compares.
4623 (alpha_lookup_xfloating_lib_func): New.
4624 (alpha_compute_xfloating_mode_arg): New.
4625 (alpha_emit_xfloating_libcall): New.
4626 (alpha_emit_xfloating_arith): New.
4627 (alpha_emit_xfloating_compare): New.
4628 (alpha_emit_xfloating_cvt): New.
4629 (print_operand): Add default abort case.
4630 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
4631 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
4632 (BIGGEST_ALIGNMENT): Increase to 128 bits.
4633 (RETURN_IN_MEMORY): True for TF/TCmode.
4634 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
4635 (FUNCTION_ARG): Move to function_arg.
4636 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
4637 (ASM_OUTPUT_LONG_DOUBLE): New.
4638 (ASM_OUTPUT_DOUBLE): Always output bits.
4639 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
4640 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
4641 (extenddftf2, trunctfdf2): New.
4643 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4645 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
4646 * config/sparc/sol2.h: ... here.
4648 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4650 * basic-block.h (struct loops): New field `levels'.
4651 * flow.c (flow_loops_level_compute): Traverse all outer loops.
4652 (flow_loop_level_compute): Initialise level to 1.
4653 (flow_loops_find): Set loops->levels.
4654 (flow_loops_dump): Print loops->levels.
4656 2000-01-23 Richard Henderson <rth@cygnus.com>
4658 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
4659 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
4661 2000-01-23 Richard Henderson <rth@cygnus.com>
4663 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
4664 * i386.h (DBX_REGISTER_NUMBER): Use them.
4665 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
4666 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
4667 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
4668 * i386/sequent.h: Kill incorrect comment.
4670 2000-01-23 Mark Mitchell <mark@codesourcery.com>
4672 * ggc-page.c (struct page_entry): Make `context_depth' an
4674 (struct globals): Likewise.
4676 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
4678 * loop.c (check_dbra_loop): When checking a loop for
4679 reversability, check the source of any stores to ensure
4680 they don't depend on an initial value.
4682 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4684 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
4686 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
4688 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
4689 'pz_scan' into scope of entire function. Only affects
4690 compiles with -DDEBUG.
4692 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
4694 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
4695 section naming to that prior to 2000-01-07 patch.
4696 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
4697 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
4698 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
4699 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
4700 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
4702 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
4704 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
4707 2000-01-21 Jim Wilson <wilson@cygnus.com>
4709 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
4710 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
4712 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
4714 * cpphash.c (change_newlines): Delete function.
4715 (struct argdata): Delete 'newlines' and 'use_count' fields.
4716 (macroexpand): Remove code referencing those fields.
4718 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4720 * loop.c (loops_info): New variable.
4721 (loop_optimize): Allocate loops->array and free it on exit.
4722 Allocate memory for loops_info and assign to each loop,
4724 (find_and_verify_loops): Do not allocate loops->array.
4726 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
4728 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
4730 2000-01-21 Jakub Jelinek <jakub@redhat.com>
4732 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
4733 pseudos if expanded after first flow.
4734 (movdi_pic_label_ref): Likewise.
4736 2000-01-20 Richard Henderson <rth@cygnus.com>
4738 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
4740 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
4742 * Makefile.in (fixinc.sh): Depend on specs.
4743 * fixinc/Makefile.in: Add rule to create machname.h.
4744 (fixlib.o): Depend on machname.h.
4745 * fixinc/fixtests.c (machine_name): New test.
4746 * fixinc/fixfixes.c (machine_name): New fix.
4747 * fixinc/fixlib.c (mn_get_regexps): New helper function for
4748 the machine_name test and fix.
4749 * fixinc/fixlib.h: Prototype it.
4750 * fixinc/inclhack.def (machine_name): Use the C test and fix.
4751 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
4753 * gcc.c (do_spec_1) [case P]: Take care not to create
4754 identifiers with three leading or trailing underscores.
4756 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
4757 (fixincl): Don't specify libraries twice on link line.
4758 (gnu-regex.o): Remove special rule.
4759 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
4760 defined by config.h. Do not define _REGEX_RE_COMP.
4761 (regcomp): Allocate and initialize a fastmap.
4762 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
4764 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
4766 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
4768 2000-01-19 Richard Henderson <rth@cygnus.com>
4770 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
4771 arguments with BB. Update all callers. Tidy line wrapping.
4773 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
4775 * emit-rtl.c (try_split): Return last_insn if we split the
4778 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
4780 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
4781 (ix86_initial_elimination_offset): Declare.
4782 * i386.c (ix86_nsaved_regs): Break out from ...
4783 (ix86_can_use_return_insn_p): ... here.
4784 (ix86_emit_save_regs): Break out from ...
4785 (ix86_expand_prologue): ... here.
4786 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
4788 (ix86_expand_epilogue): ... here.
4789 (ix86_compute_frame_size): Make static, add prototype.
4790 (ix86_initial_elimination_offset): Break out from ...
4791 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
4793 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4795 * recog.h (OUT_FCN): Delete.
4797 * vax.md: Call `get_insn_template' instead of OUT_FCN.
4799 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4801 * cppalloc.c: PROTO -> PARAMS.
4802 * cpperror.c: Likewise.
4803 * cppfiles.c: Likewise.
4804 * cpplib.c: Likewise.
4805 * cpplib.h: Likewise.
4807 * config/arm/arm-protos.h: PROTO -> PARAMS.
4808 * config/arm/arm.c: Likewise.
4809 * config/c4x/c4x.c: Likewise.
4810 * config/fr30/fr30-protos.h: Likewise.
4811 * config/nextstep.c: Likewise.
4812 * config/pa/pa.c: Likewise.
4813 * config/pj/pj.c: Likewise.
4814 * config/rs6000/rs6000.c: Likewise.
4815 * config/v850/v850-protos.h: Likewise.
4816 * config/v850/v850.c: Likewise.
4818 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4820 * i370-protos.h: New file.
4822 * i370.c: Include tm_p.h. Fix compile time warnings.
4824 * i370.h: Move prototypes to i370-protos.h. Fix compile time
4827 * i370.md: Likewise.
4829 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4831 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
4832 (target_isinf, target_isnan, eisnan): Mark parameter with
4834 (eiisinf): Wrap in INFINITY.
4835 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
4836 (ibmtoe): Remove unused variable `rndsav'.
4838 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4840 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
4841 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
4843 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
4845 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
4846 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
4847 (fix_char_macro_defines, fix_char_macro_uses): New functions.
4849 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
4850 Recognize Emacs mode markers also.
4851 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
4852 C++ comments in C++ headers. Call is_cxx_header only if
4855 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
4857 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
4858 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
4859 ... these, which use the new C fixes.
4860 (math_exception): Escape literal '+' in bypass expression.
4862 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
4865 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4867 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
4870 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4872 * loop.c (loop_optimize): Allocate loop_info structure for each loop
4873 prior to calling scan_loop.
4875 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4877 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
4878 (split_branches, calc_live_regs): Likewise.
4880 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4882 * sh.md (fpu_single, fp_mode): New attributes.
4884 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4886 * loop.c (current_loop_info): Renamed from loop_info_data
4887 and changed to a pointer.
4888 (loop_optimize): Allocate loop_info structure for each loop
4889 and initialise to zero.
4890 (scan_loop): Set current_loop_info.
4892 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
4895 2000-01-19 Richard Henderson <rth@cygnus.com>
4897 * stupid.c: Die die die.
4898 * Makefile.in (OBJS): Remove stupid.o.
4899 (stupid.o): Likewise.
4901 * except.c (emit_eh_context): Don't emit USEs for stupid.
4902 * explow.c (probe_stack_range): Likewise.
4903 * flags.h (obey_regdecls): Remove.
4904 * flow.c (find_basic_blocks): Don't run try_merge_blocks
4905 when not optimizing.
4906 (life_analysis): Limit data collection when not optimizing.
4907 (mark_regs_live_at_end): Always mark the return value registers.
4908 (mark_used_regs): Remove dummy RETURN case.
4909 (print_rtl_with_bb): Don't consult obey_regdecls.
4910 * function.c (use_variable, use_variable_after): Remove.
4911 (assign_parms): Consult optimize not obey_regdecls.
4912 (expand_function_start): Don't emit USEs for stupid.
4913 (expand_function_end): Likewise.
4914 * global.c (build_insn_chain): Export.
4915 * integrate.c (expand_inline_function): Kill return-value USE
4917 * jump.c (jump_optimize_1): Do simple jump optimizations and
4918 dead code elimination.
4919 (calculate_can_reach_end): Remove check_deleted argument.
4920 (delete_insn): Patch out insns even when not optimizing.
4921 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
4922 * rtl.h (use_variable, use_variable_after): Remove declarations.
4923 (build_insn_chain): Declare.
4924 * stmt.c (expand_value_return): Don't emit USEs for stupid.
4925 (expand_end_bindings): Likewise.
4926 (expand_decl): Likewise. Consult optimize not obey_regdecls.
4927 * toplev.c (obey_regdecls): Remove.
4928 (rest_of_compilation): Don't set it. Kill stupid in favour of
4929 flow1, local-alloc, and reload.
4930 (main): Don't set obey_regdecls.
4932 * config/nextstep.c (handle_pragma): Likewise.
4934 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
4936 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
4938 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4940 * alpha-protos.h: PROTO -> PARAMS.
4941 * alpha.c: Likewise.
4943 * h8300.c: Likewise.
4944 * i386-protos.h: Likewise.
4946 * m32r-protos.h: Likewise.
4949 * mips.md: Likewise.
4950 * gmon-sol2.c: Likewise.
4951 * sparc.c: Likewise.
4953 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4955 * ns32k-protos.h: New file.
4957 * ns32k.c: Fix compile time warnings.
4959 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
4962 * ns32k.md: Likewise.
4964 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4966 * vax-protos.h: New file.
4968 * vax.c: Fix compile time warnings.
4970 * vax.h: Move prototypes to vax-protos.h. Fix compile time
4975 * vaxv.md: Likewise.
4977 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4979 * romp-protos.h: New file.
4981 * romp.c: Fix compile time warnings.
4983 * romp.h: Move prototypes to romp-protos.h. Fix compile time
4986 * romp.md: Likewise.
4988 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4990 * we32k-protos.h: New file.
4992 * we32k.c: Fix compile time warnings.
4994 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
4997 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4999 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
5001 * except.c (eh_regs): Likewise.
5003 * final.c (output_operand): Likewise.
5005 * fold-const.c (target_isinf, target_isnan): Likewise.
5007 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
5009 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
5010 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
5012 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
5014 (clrstrsi): Rewrite.
5015 (strsethi, strsetqi): New expanders.
5016 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
5017 (cmpstrsi): Emit compare insn before cmpstrsi_1
5018 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
5019 (strlensi_1): Likewise.
5020 (cmpstrsi_1): Likewise; do not output compare.
5021 (strlen expander): Do not unroll when optimizing for size.
5022 (*subsi3_carry): Rename to subsi3_carry
5023 (addqi3_cc): New pattern.
5024 * i386.h (processor_costs): Add move_ratio field.
5025 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
5026 * i386.c (*_cost): Set move_ratio.
5027 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
5028 (x86_expand_strlensi_1): Rewrite the main loop.
5030 2000-01-17 Richard Henderson <rth@cygnus.com>
5032 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
5033 * cse.c (find_comparison_args, fold_rtx): Likewise.
5034 * integrate.c (subst_constants): Likewise.
5035 * loop.c (get_condition): Likewise.
5037 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
5039 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
5041 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5043 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
5044 (RESTORE_WARN_FLAGS): Unpack it.
5045 Change semantic type of extension to ttype.
5046 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
5047 * c-parse.y, c-parse.c, objc/objc-parse.y,
5048 objc/objc-parse.c: Regenerate.
5050 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
5052 * fixinc/fixlib.c: Add copyright notice.
5053 (compile_re): New function.
5054 * fixinc/fixlib.h: Prototype compile_re.
5056 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
5057 Use compile_re to compile regular expressions.
5059 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
5060 where the pattern matched.
5062 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
5064 (ultrix_ansi_compat): Likewise.
5065 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
5067 (interactv_add2, interactv_add3): Delete.
5068 (x11_sprintf): Don't use filename glob.
5069 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
5072 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5074 * print-rtl.c: PROTO -> PARAMS.
5076 * reg-stack.c: Likewise.
5077 * resource.c: Likewise.
5078 * sdbout.h: Likewise.
5079 * simplify-rtx.c: Likewise.
5080 * stor-layout.c: Likewise.
5081 * stupid.c: Likewise.
5082 * xcoffout.c: Likewise.
5083 * xcoffout.h: Likewise.
5085 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5087 * toplev.c: PROTO -> PARAMS.
5088 * toplev.h: Likewise.
5091 * unroll.c: Likewise.
5092 * varasm.c: Likewise.
5093 * varray.c: Likewise.
5094 * varray.h: Likewise.
5096 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5098 * reload.c: PROTO -> PARAMS.
5099 * reload.h: Likewise.
5100 * reload1.c: Likewise.
5101 * reorg.c: Likewise.
5102 * resource.h: Likewise.
5105 * rtlanal.c: Likewise.
5106 * sbitmap.h: Likewise.
5107 * sdbout.c: Likewise.
5108 * stack.h: Likewise.
5110 * system.h: Likewise.
5112 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5114 * machmode.h: PROTO -> PARAMS.
5115 * mbchar.h: Likewise.
5116 * mips-tdump.c: Likewise.
5117 * mips-tfile.c: Likewise.
5118 * optabs.c: Likewise.
5119 * output.h: Likewise.
5120 * prefix.c: Likewise.
5121 * profile.c: Likewise.
5122 * protoize.c: Likewise.
5124 * recog.c: Likewise.
5125 * recog.h: Likewise.
5126 * regclass.c: Likewise.
5127 * regmove.c: Likewise.
5130 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5132 * ggc-common.c: PROTO -> PARAMS.
5133 * ggc-page.c: Likewise.
5134 * ggc-simple.c: Likewise.
5136 * global.c: Likewise.
5137 * graph.c: Likewise.
5138 * gthr-win32.h: Likewise.
5139 * haifa-sched.c: Likewise.
5140 * halfpic.h: Likewise.
5141 * integrate.c: Likewise.
5142 * integrate.h: Likewise.
5145 * local-alloc.c: Likewise.
5149 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5151 * genattr.c: PROTO -> PARAMS.
5152 * genattrtab.c: Likewise.
5153 * gencheck.c: Likewise.
5154 * gencodes.c: Likewise.
5155 * genconfig.c: Likewise.
5156 * genemit.c: Likewise.
5157 * genextract.c: Likewise.
5158 * genflags.c: Likewise.
5159 * gengenrtl.c: Likewise.
5160 * genopinit.c: Likewise.
5161 * genoutput.c: Likewise.
5162 * genpeep.c: Likewise.
5163 * genrecog.c: Likewise.
5165 2000-01-16 Mark Mitchell <mark@codesourcery.com>
5167 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
5169 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5171 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
5172 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
5173 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
5174 * configure, config.in: Rebuilt.
5176 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
5178 * config/i386/i386.md: Add peephole to merge successive stack
5181 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
5183 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
5184 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
5185 when walking backwards to find all the parameter loads when
5186 the basic block ends in a call.
5188 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5190 * loop.c (this_loop_info): Delete.
5191 (uid_loop): Add in place of uid_loop_num. All uses updated.
5192 (loop_number_exit_count): Delete and replace with entry in loop
5193 structure. All uses updated.
5194 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
5195 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
5196 (loop_outer_loop): Likewise.
5197 (loop_invalid, loop_number_exit_labels): Likewise.
5198 (loop_used_count_register): Delete and replace with entry in
5199 loop_info structure.
5200 (find_and_verify_loops): Add loops argument.
5201 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
5202 loop_end, etc. arguments with loop structure pointer. All callers
5204 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
5205 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
5206 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
5207 (insert_bct): Likewise.
5208 (basic_induction_var): New argument level.
5209 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
5210 vtop, and cont. Add used_count_register.
5211 (uid_loop): Delete declaration.
5212 (loop_number_exit_count): Likewise.
5213 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
5214 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
5215 (loop_outer_loop, loop_used_count_register): Likewise.
5216 (loop_invalid, loop_number_exit_labels): Likewise.
5217 (unroll_loop): Replace loop_start and loop_end arguments
5218 with loop structure pointer.
5219 (loop_precondition_p, loop_iterations): Likewise.
5220 Include basic-block.h.
5221 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
5222 with loop structure pointer.
5223 (loop_precondition_p, loop_iterations): Likewise.
5224 * basic-block.h (struct loop): New entries vtop, cont,
5225 cont_dominator, start, end, top, scan_start, exit_labels,
5227 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
5229 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5231 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
5233 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
5235 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
5237 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5239 * pdp11-protos.h: New file.
5241 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
5244 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
5247 * pdp11.md: Likewise.
5251 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5253 * mn10300-protos.h: New file.
5255 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
5258 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
5261 * mn10300.md: Likewise.
5263 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5265 * mn10200-protos.h: New file.
5267 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
5270 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
5273 * mn10200.md: Likewise.
5275 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5277 * h8300-protos.h: New file.
5279 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
5282 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
5285 * h8300.md: Likewise.
5287 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5289 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
5290 (asm_emit_uninitialised): Likewise.
5292 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
5294 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
5295 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
5297 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5299 * config/mips/mips.c (override_options): Don't turn on extra
5300 alignment for mips16.
5302 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5304 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
5305 eabi, and make sure queued POSTINCREMENT rtl is emitted at
5308 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5310 * builtins.c (PAD_VARARGS_DOWN): Define.
5311 (std_expand_builtin_va_arg): Use the above macro.
5312 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
5313 * tm.texi (Register Arguments): Document the above macro.
5315 2000-01-14 Nick Clifton <nickc@cygnus.com>
5317 * emit-rtl.c (emit_insn): If checking is enabled, make sure
5318 that this function has not been used to emit a jump
5321 * jump.c (return_jump_1): Cope with being passed a null rtx.
5323 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5325 * eh-common.h: PROTO -> PARAMS.
5326 * emit-rtl.c: Likewise.
5327 * errors.c: Likewise.
5328 * errors.h: Likewise.
5329 * except.c: Likewise.
5330 * except.h: Likewise.
5331 * explow.c: Likewise.
5332 * expmed.c: Likewise.
5335 * final.c: Likewise.
5336 * fix-header.c: Likewise.
5338 * fold-const.c: Likewise.
5339 * function.c: Likewise.
5340 * function.h: Likewise.
5342 * gcov-io.h: Likewise.
5346 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5348 * sh-protos.h: New file.
5350 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
5351 Add static prototypes. Fix compile time warnings.
5353 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
5357 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5359 * arc-protos.h: New file.
5361 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
5364 * arc.h: Move prototypes to arc-protos.h. Fix compile time
5369 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5371 * dsp16xx-protos.h: New file.
5373 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
5376 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
5379 * dsp16xx.md: Likewise.
5381 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5383 * convex-protos.h: New file.
5385 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
5388 * convex.h: Move prototypes to convex-protos.h. Fix compile time
5391 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5393 * elxsi-protos.h: New file.
5395 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
5398 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
5401 * elxsi.md: Likewise.
5403 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5405 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
5406 case for moving from HI/LO/HI_LO_REG. This makes the behavior
5407 match the comment for MIPS16.
5409 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
5411 * flow.c (split_edge): Do not call set_block_for_insn if we
5412 do not have a basic_block_for_insn structure.
5414 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
5415 and destination functions are 32bit aligned within the trampoline.
5416 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
5417 (TRAMPOLINE_ALIGNMENT): Define.
5419 * cse.c (cse_insn): When changing (set (pc) (reg)) to
5420 (set (pc) (label_ref)), verify the change creates a valid insn.
5422 * fr30.c (call_operand): Tighten and rework to match rules for
5423 call RTL expressions.
5424 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
5425 * fr30.md (call patterns): Improve constraints.
5427 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
5429 * fr30.c (fr30_expand_epilogue): Revert last change.
5430 Use emit_jump_insn for the return insn.
5432 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
5433 Stan Cox <scox@cygnus.com>
5435 * predict.c: New file. Preliminary infrastructure work for static
5436 branch prediction and basic block reordering.
5437 * basic-block.h: Add prototype for estimate_probability.
5438 * Makefile.in: Add rules for predict.o.
5440 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
5442 * fixincludes (va_list): Use __not_va_list__ for the dummy.
5443 * fixinc/*: Likewise.
5445 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5447 * cccp.c: PROTO -> PARAMS.
5449 * collect2.c: Likewise.
5450 * combine.c: Likewise.
5451 * convert.h: Likewise.
5453 * dbxout.c: Likewise.
5454 * dbxout.h: Likewise.
5455 * diagnostic.c: Likewise.
5456 * doprint.c: Likewise.
5457 * dwarf2out.c: Likewise.
5458 * dwarf2out.h: Likewise.
5459 * dwarfout.c: Likewise.
5460 * dwarfout.h: Likewise.
5461 * dyn-string.h: Likewise.
5463 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5465 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
5466 macro conditionals guarding use.
5468 * dwarf2out.c: Include "tm_p.h".
5470 * function.c (locate_and_pad_parm): Mark parameter with
5472 (expand_function_end): Likewise for variable `context'.
5474 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
5476 2000-01-13 Nick Clifton <nickc@cygnus.com>
5478 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
5479 register to prevent compile time warnings.
5481 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
5483 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
5484 to avoid -Wtraditional warning.
5486 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5488 * 1750a-protos.h: New file.
5490 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
5493 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
5496 * 1750a.md: Likewise.
5498 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5500 * a29k-protos.h: New file.
5502 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
5505 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
5508 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5510 * clipper-protos.h: New file.
5512 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
5515 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
5518 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5520 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
5522 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
5524 * configure.in (--enable-new-gxx-abi): New option.
5525 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
5526 * Makefile.in (GXX_ABI_FLAG): New variable.
5527 * configure: Regenerate.
5529 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5531 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
5532 * tm.texi (FORCE_STRUCT_BLK): Document.
5533 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
5535 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
5537 * config/ns32k/ns32k.md: Revert Jan 9 change.
5539 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
5540 to a mode-test, if the predicate is address_operand.
5542 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
5544 * combine.c (if_then_else_cond): Be careful about what kinds
5545 of RTL expressions are passed to operand_subword.
5547 * flow.c (split_edge): If we have to insert a new jump, make
5548 sure to associate it with a basic block.
5550 * flow.c (commit_one_edge_insertion): A block with one successor
5551 can end in a JUMP_INSN that is not a simplejump.
5553 2000-01-12 Robert Lipe <robertl@sco.com>
5555 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
5556 (BUILD_VA_LIST_TYPE): Define.
5557 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
5560 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
5562 * cccp.c (do_pragma): Add cast to (char *).
5564 2000-01-12 Richard Henderson <rth@cygnus.com>
5565 Fred Fish <fnf@be.com>
5566 Jason Merrill <jason@cygnus.com>
5568 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
5569 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
5570 * i386/beos-elf.h, i386/beos-pe.h: New files.
5572 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
5573 * cross-make (SYSTEM_HEADER_DIR): Define using
5574 CROSS_SYSTEM_HEADER_DIR.
5576 * gcc.c (LIBRARY_PATH_ENV): Provide default.
5577 (process_command): Use it.
5578 (main): Likewise. Kill trailing = from env vars.
5579 (build_search_list): Put it back.
5580 * collect2.c (main): Use LIBRARY_PATH_ENV.
5582 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
5583 * toplev.c: Use NEED_DECLARATION_ENVIRON.
5585 * tm.texi (Frame Layout): Document SMALL_STACK.
5586 * c-common.c (c_common_nodes_and_builtins): Check it.
5588 * system.h: Undef alloca after including glibc's <stdlib.h>,
5589 if USE_C_ALLOCA is defined.
5591 * gcc.c (set_input): New fn.
5592 (main): After all input files are compiled, reset the input file
5595 * aclocal.m4 (rindex, index): If already defined, don't attempt
5598 * ginclude/varargs.h: (__va_list__): Define ifndef.
5599 * ginclude/stdarg.h: Likewise.
5601 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
5602 instead of unsigned char.
5604 * hash.h (true, false, boolean): Undef before enum.
5606 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
5607 proper type of "HOST_WIDE_INT *", rather than their natural type of
5608 "unsigned HOST_WIDE_INT *".
5610 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5612 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
5614 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
5616 * regclass.c (choose_hard_reg_mode): Likewise.
5618 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
5620 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
5622 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5624 * c-common.c: PROTO -> PARAMS.
5625 * c-common.h: Likewise.
5626 * c-decl.c: Likewise.
5627 * c-iterate.c: Likewise.
5628 * c-lang.c: Likewise.
5629 * c-lex.c: Likewise.
5630 * c-lex.h: Likewise.
5631 * c-parse.in: Likewise.
5632 * c-pragma.c: Likewise.
5633 * c-pragma.h: Likewise.
5634 * c-tree.h: Likewise.
5635 * c-typeck.c: Likewise.
5636 * objc/objc-act.c: Likewise.
5637 * objc/objc-act.h: Likewise.
5639 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5641 * m88k-protos.h: New file.
5643 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
5646 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
5648 * m88k.md: Likewise.
5650 * tekXD88.h: Likewise.
5652 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5654 * m68k-protos.h: New file.
5656 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
5659 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
5661 * mot3300.h: Likewise.
5663 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
5665 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
5667 (extract_bitlist): Declare bitlen.
5669 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
5671 * cccp.c: Accept and ignore -lang-fortran.
5673 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
5674 qualifiers don't match at any level of pointerness.
5676 2000-01-12 Robert Lipe <robertl@sco.com>
5678 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
5680 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
5682 * reload1.c (reload_reg_unavailable): New static variable.
5683 (reload_reg_free_p): Test it.
5684 (reload_reg_free_for_value_p): Test it instead of
5686 (choose_reload_regs_init): Compute it.
5688 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
5690 * reorg.c (fill_slots_from_thread): Check modified_in_p
5693 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
5695 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
5696 these nodes even if INTERNALS is not set.
5698 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
5700 * gcse.c (delete_null_pointer_checks_1): Cope when
5701 get_condition cannot determine the condition.
5703 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
5705 * toplev.h (set_message_length): Declare.
5707 * diagnostic.c (obstack_chunk_alloc): Define macro.
5708 (obstack_chunk_free): Likewise.
5709 (struct output_buffer): New data structure.
5711 (output_maximum_width): New variable.
5712 (doing_line_wrapping, set_message_length, init_output_buffer,
5713 get_output_prefix, output_space_left, emit_output_prefix,
5714 output_newline, output_append, output_puts, dump_output,
5715 vbuild_message_string, build_message_string, build_location_prefix,
5716 voutput_notice, output_printf, line_wrapper_printf,
5717 vline_wrapper_message_with_location): New functions. Implement
5718 automatic line wrapping.
5719 (v_message_with_decl): Make it handle automatic line wrapping.
5720 (v_error_with_file_and_line): Likewise.
5721 (v_warning_with_file_and_line): Likewise.
5722 (announce_function): Likewise.
5723 (default_print_error_function): Likewise.
5725 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
5727 * cpplib.h (struct cpp_options): Change lang_asm to char.
5729 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
5730 done in cpp_handle_option now.
5731 (initialize_builtins): Take out special case code used only by
5733 (cpp_handle_option): Turn off trigraphs and trigraph warnings
5734 if -traditional. Recognize -lang-fortran and set
5735 lang_fortran, also turn off cplusplus_comments.
5736 (print_help): Document -lang-fortran.
5737 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
5738 lang_asm. Ignore all directives other than `# 123 "file"' if
5740 (cpp_get_token): If -traditional, don't recognize directives
5741 unless the # is in column 1.
5742 (parse_string): If lang_fortran or lang_asm, silently
5743 terminate strings ('' or "") at end of line.
5744 Remove unnecessary braces.
5746 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5747 Richard Henderson <rth@cygnus.com>
5749 * resource.c (mark_referenced_resources): Mark a set strict_low_part
5751 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
5752 strict_low_part when possible.
5754 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5756 * alias.c: PROTO -> PARAMS.
5757 * basic-block.h: Likewise.
5758 * bitmap.c: Likewise.
5759 * bitmap.h: Likewise.
5760 * builtins.c: Likewise.
5761 * c-aux-info.c: Likewise.
5762 * caller-save.c: Likewise.
5763 * calls.c: Likewise.
5765 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5767 * Makefile.in (toplev.o): Depend on regs.h.
5769 * output.h (tdesc_section): Prototype.
5771 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
5773 * sdbout.c: Include "tm_p.h".
5775 * toplev.c: Include "regs.h".
5777 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
5779 * unroll.c (unroll_loop): Add EH support.
5781 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5783 * pa-protos.h: New file.
5785 * pa.c: Include recog.h and tm_p.h.
5786 (compute_zdepwi_operands, compute_movstrsi_length,
5787 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
5788 find_addr_reg, import_milli): Add static prototypes.
5789 (pa_cpu_string, pa_arch_string): Constify a char*.
5790 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
5791 (read_only_operand): Add argument `mode'.
5792 (singlemove_string, output_move_double, output_fp_move_double,
5793 output_block_move, output_and, output_ior, output_ascii,
5794 remove_useless_addtr_insns, milli_names, output_mul_insn,
5795 output_div_insn, output_mod_insn, output_arg_descriptor,
5796 output_cbranch, output_bb, output_bvb, output_dbra, ,
5797 output_millicode_call, output_call, hppa_encode_label,
5798 output_parallel_movb, output_parallel_addb): Constify a char*.
5799 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
5800 (output_parallel_addb): Remove extra arg to `constrain_operands'
5802 * pa.h: Move all prototypes to pa-protos.h.
5803 (pa_cpu_string, pa_arch_string): Constify a char*.
5804 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
5806 * pa.md: Call `function_label_operand' with mode argument.
5807 Likewise for `read_only_operand'.
5808 Fix nesting of parens in call to `symbolic_operand'.
5810 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5812 * i860-protos.h: New file.
5814 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
5817 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
5819 * i860.md: Likewise.
5821 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
5823 * i386.md (movstrsi expander): Rewrite.
5824 (movstrsi_1 insn): Deleted.
5825 (strmovhi, strmovqi expander): New expanders.
5826 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
5827 * i386.c (x86_single_stringop): New global variable.
5828 * i386.h (x86_single_stringop): Declare.
5829 (TARGET_SINGLE_STRINGOP): New macro.
5831 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5833 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
5834 integer vararg POSTINCREMENT before the destination of the jump
5835 for the hard fp case.
5836 (function_arg_pass_by_reference): Pass a copy of CUM to
5839 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
5840 for CONSTANT_ADDRESS_P above while loop for subreg.
5842 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5844 * flow.c (propagate_block): When a prologue/epilogue insn
5845 is marked dead, unconditionally clear libcall_is_dead and
5846 insn_is_dead, and only dump rtl if warnings aren't being
5849 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
5851 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
5852 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
5853 (FIXED_REGISTERS): Set dirflag as fixed.
5854 (CALL_USED_REGISTERS): Set dirflag as used.
5855 (REG_ALLOC_ORDER): Set dirflag as last one.
5856 (DIRFLAG_REG): New macro.
5857 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
5858 (HI_REGISTER_NAMES): Add dirflag.
5859 (DEBUF_PRINT_REG): Handle dirflag.
5860 * i386.md (type attribute): New cld and str types.
5861 (length_opcode attribute): Set cld and str to 1.
5862 (memory attribute): Set str to unknown - it is not clear from the
5864 (pent_np function unit): Prefixed string operations takes 12 cycles
5865 minimally; cld takes 2 cycles.
5866 (ppro_uops attribute): Str is "many" and cld is "few".
5867 (ppro_p0 unit): Handle cld here.
5868 (k6_alux unit): Handle cld and str types.
5869 (k6_load unit): It is ocupied by str opcodes.
5870 (k6_store unit): It is ocupied by str opcodes.
5871 (athlon_decode): Str is vector decoded.
5872 (athlon_ieu): Handle str and cld.
5874 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
5875 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
5876 cmpstrsi_nz_1 insn): Do not output cld instruction
5878 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
5880 * gcc.texi (G++ and GCC): Add Java and Chill.
5881 (Bug Critera): Don't list languages.
5883 * gcc.texi (Incompatibilities): No longer claim most C compilers
5886 * gcc.texi (G++ and GCC): Update other front-ends list.
5888 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
5890 * i386.c (ix86_expand_setcc): Fix typo.
5891 (ix86_expand_movcc): Similarly.
5893 * Band-aid until haifa's bitset implementation is nuked.
5894 * haifa-sched.c (extract_bitlst): New parameter for size of the
5895 bitset in bits. All callers changed. Avoid looking at undefined
5897 (edgeset_bitsize): New variable.
5898 (schedule_region): Initialize edgeset_bitsize.
5900 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5902 * Makefile.in (optabs.o): Depend on real.h
5903 (resource.o): Depend on insn-attr.h
5905 * builtins.c (result_vector): Wrap prototype in macro conditions
5906 governing definition and use.
5908 * c-common.c: Include tm_p.h.
5910 * c-lex.c: Likewise.
5912 * elfos.h: Constify a char*.
5914 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
5915 (get_attr_length, shorten_branches, profile_after_prologue): Mark
5916 parameter with ATTRIBUTE_UNUSED.
5918 * fold-const.c (exact_real_inverse): Wrap variable `i' in
5921 * haifa-sched.c (schedule_insns): Mark parameter with
5924 * optabs.c: Include real.h.
5926 * real.h (ereal_atof): Add prototype arguments.
5928 * resource.c: Include insn-attr.h.
5930 * sdbout.c (sdbout_queue_anonymous_type,
5931 sdbout_dequeue_anonymous_types): Wrap in macro
5932 SDB_ALLOW_FORWARD_REFERENCES.
5933 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
5936 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
5938 * stupid.c: Include tm_p.h.
5940 * tree.c (real_value_from_int_cst): Mark parameter with
5943 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5945 * i960-protos.h: New file.
5947 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
5950 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
5952 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5954 * combine.c (expand_field_assignment): Do not discard SUBREGs
5955 while computing nonzero_bits.
5957 2000-01-09 Nick Clifton <nickc@cygnus.com>
5959 * config/arm/arm.c: Fix compile time warnings about signed vs
5961 * config/arm/arm.h: Fix compile time warnings about signed vs
5964 2000-01-09 Philip Blundell <philb@gnu.org>
5966 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
5967 than `ldm' with only one register.
5968 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
5971 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
5974 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
5976 * config/ns32k/ns32k.md (load or push effective address): Operand 1
5979 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5981 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
5982 assignment used as truth value.
5984 * function.c (assign_temp): Mark parameter `dont_promote' with
5985 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
5986 PROMOTE_FOR_CALL_ONLY.
5988 * genrecog.c (write_subroutine): Mark variable `operands' with
5991 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
5994 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
5995 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
5997 * toplev.c (note_deferral_of_defined_inline_function): Likewise
6000 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6002 * config/c4x.h: Tidy up comments.
6003 * config/c4x.c: Likewise.
6005 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
6007 * fold-const.c (lshift_double, rshift_double): Handle
6008 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
6010 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6012 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
6013 in prepare_function_start().
6015 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
6017 * config/v850/v850.c (expand_epilogue): Interrupt functions no
6018 longer allocate extra stack for function calls.
6020 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6022 * config/c4x/c4x.md (*subqf3_set): Fix typo.
6024 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6026 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
6028 2000-01-07 David Edelsohn <edelsohn@gnu.org>
6030 * rs6000.c (processor_target_table): Add power3 as alias for 630.
6031 * aix43.h: Revert Aug 2 change.
6032 (HAS_INIT_SECTION): Define, not visible yet.
6033 (LD_INIT_SWITCH): Define, not visible yet.
6034 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
6036 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
6038 * collect2.c (main): Expand ld2 size further.
6039 (export_object_lst): Cast assignment to avoid warning.
6040 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
6041 (scan_prog_file, COFF): Do not collect initialization or
6042 finalization functions generated for entire shared object if
6043 init/fini support present.
6045 2000-01-07 Nick Clifton <nickc@cygnus.com>
6047 * config/elfos.h: Tidy up formatting of marcos. Make sure
6048 that .section directives are always prefixed by a tab.
6050 * config/svr4.h: Add #include "elfos.h" and remove duplicate
6053 2000-01-07 Matt Austern <austern@sgi.com>
6055 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
6058 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
6060 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
6062 (crtbegin.o, s-crtS): Likewise.
6064 2000-01-06 Richard Henderson <rth@cygnus.com>
6066 * alpha.md (adddi_2+1): Limit offset such that it will be
6067 loadable with a single ldah+lda pair.
6068 (adddi_2+2): Explicitly fail split if we can't make it work.
6070 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
6072 * protoize.c: Conditionally include unistd.h.
6073 (IS_SAME_PATH_CHAR): New macro.
6074 (IS_SAME_PATH): New macro.
6075 (CPLUS_FILE_SUFFIX): New macro.
6076 (cplus_suffix): New static variable.
6077 (is_abspath): New static function.
6078 (in_system_include_dir): Handle DOS style pathnames.
6079 (file_could_be_converted): Likewise.
6080 (file_normally_convertible): Likewise.
6081 (directory_specified_p): Likewise.
6082 (file_excluded_p): Likewise.
6083 (abspath): Likewise.
6084 (shortpath): Likewise.
6085 (referenced_file_is_newer): Likewise.
6086 (save_def_or_dec): Likewise.
6087 (do_processing): Likewise.
6089 (edit_file): Likewise. Use rename instead of link.
6090 (rename_c_file): Likewise. Don't rename syscalls file.
6091 (munge_compile_params): Define null device for DOS based systems.
6092 (process_aux_info_file): Use binary mode if appliable.
6093 (edit_file): Likewise.
6094 * invoke.texi (Running Protoize): Document C++ suffixes used.
6096 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
6097 IS_DIR_SEPARATOR macros.
6098 * collect2.c: Likewise.
6099 * cppinit.c: Likewise.
6100 * dwarf2out.c: Likewise.
6103 * prefix.c: Likewise.
6105 * toplev.c: Likewise.
6106 * system.h: And move to here.
6108 * prefix.c (update_path): Fix typo in variable name.
6110 2000-01-06 Richard Henderson <rth@cygnus.com>
6112 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
6113 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
6114 (count_reg_sets_1, count_reg_references): Likewise.
6115 (flow_loops_level_compute): Start counting actual loop depth at 1.
6116 (flow_loops_find): Likewise.
6117 * local-alloc.c (update_equiv_regs): Likewise.
6118 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
6120 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
6122 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
6123 FIRST_PSEUDO_REGISTER
6124 * dwarf2out.c: Don't include frame.h
6125 * dwarfout.c: Likewise
6126 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
6129 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
6131 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
6134 * i386.c (movsf splitter): Fix typo in my last checkin.
6136 2000-01-05 Nick Clifton <nickc@cygnus.com>
6138 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
6139 own definition of this macro.
6140 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
6141 flag_data_sections or UNIQUE_SECTION_P are true.
6143 * tm.texi (UNIQUE_SECTION): Document that it can be called for
6144 unitialised data decls.
6146 * config/i386/winnt.c (i386_pe_unique_section): Cope with
6147 being called for uninitialised data.
6149 * config/i386/interix.c (i386_pe_unique_section): Cope with
6150 being called for uninitialised data.
6152 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
6153 for uninitialised data.
6155 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
6156 for uninitialised data.
6158 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
6159 for uninitialised data.
6161 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
6162 (UNIQUE_SECTION_P): Always generate a unique section if
6163 flag_data_sections is true.
6164 (UNIQUE_SECTION): Also generate unique sections for
6166 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
6167 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
6170 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6172 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
6175 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6177 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
6178 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
6179 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
6180 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
6181 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
6183 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
6185 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
6187 * c-decl.c (finish_enum): Simplify code to determine minimum and
6188 maximum values of the enum, and calculate the type. Remove check
6189 for FUNCTION_DECLs in the values list, which cannot happen. Replace
6190 the DECL_INITIAL of each enumeration constant with a copy converted
6191 to the enumeration type. When updating variant types, don't bother
6192 updating the type itself.
6194 * c-typeck.c (build_binary_op): Simplify conditional expressions
6195 when weeding out spurious signed-unsigned warnings. Add new
6196 spurious warning category: if the unsigned quantity is an enum
6197 and its maximum value fits in signed_type(result_type). Update
6199 (build_conditional_expr): Warn here if one alternative is signed
6200 and the other is unsigned.
6202 2000-01-05 Nick Clifton <nickc@cygnus.com>
6204 * config/fr30/fr30.h: Remove extraneous comments.
6206 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
6208 * reload1.c (choose_reload_regs): When disabling a reload, also
6209 set reload_spill_index to -1.
6211 2000-01-04 Joel Sherrill (joel@OARcorp.com>
6213 * configure.in (m68*-*-rtemscoff*): New target, formal name for
6215 (m68*-*-rtemself*): New target.
6216 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
6217 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
6218 (sparc*-*-rtemself*): New target.
6219 (sparc*-*-rtems*): Now elf not a.out.
6220 * config/i386/rtems.h: Include config/rtems.h.
6221 * config/i386/rtemself.h: Include config/rtems.h.
6222 * config/i960/rtems.h: Include config/rtems.h.
6223 * config/m68k/rtems.h: Include config/rtems.h.
6224 * config/m68k/rtemself.h: Include config/rtems.h.
6225 * config/mips/rtems64.h: Include config/rtems.h.
6226 * config/pa/rtems.h: Include config/rtems.h.
6227 * config/rs6000/rtems.h: Include config/rtems.h.
6228 * config/sh/rtems.h: Include config/rtems.h.
6229 * config/sh/rtemself.h: Include config/rtems.h.
6230 * config/sparc/rtems.h: Include config/rtems.h.
6231 * config/sparc/rtemself.h: Include config/rtems.h
6233 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
6235 * final.c (shorten_branches): Correctly compute length of
6236 asms without operands.
6238 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
6240 * configure.in: Add pj target.
6241 * configure: Regenerate.
6242 * config/pj: New directory.
6243 * config/pj/lib1funcs.S: New file.
6244 * config/pj/linux.h: New file.
6245 * config/pj/pj.c: New file.
6246 * config/pj/pj.md: New file.
6247 * config/pj/pjl.h: New file.
6248 * config/pj/t-pj: New file.
6249 * config/pj/xm-pj.h: New file
6251 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
6253 * toplev.c (rest_of_compilation): Run shorten-branches before
6256 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6258 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
6259 macros so that they're consistent with their names.
6260 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
6261 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
6263 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6265 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
6266 modified inadvertently.
6268 2000-01-04 Joel Sherrill <joel@OARcorp.com>
6270 * configure.in (v850*-*-rtems*): New target.
6271 * configure: Regenerate.
6272 * config/v850/rtems.h: New file.
6274 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
6276 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
6277 (__gthread_key_create): Likewise.
6278 (__gthread_key_dtor): Likewise.
6279 (__gthread_once): Fix logic.
6280 (__gthread_key_delete): Cast away constness.
6282 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
6283 * invoke.texi: Document.
6284 * i386/mingw32.h (CPP_SPEC): Use.
6285 (LIBGCC_SPEC): Likewise.
6286 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
6288 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6290 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
6291 (HANDLE_PRAGMA_PACK): Undefine.
6292 (SLOW_UNALIGNED_ACCESS): Define.
6294 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6296 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
6297 to default definition.
6298 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
6299 (store_fixed_bit_field): Call macro with word_mode and alignment.
6300 (extract_bit_field): Call macro with relevant mode and alignment.
6301 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
6302 to default definition.
6303 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
6305 (move_by_pieces_ninsns): Likewise.
6306 (clear_by_pieces): Likewise.
6307 (emit_push_insn): Likewise.
6308 (store_field): Call macro with relevant mode and alignment.
6309 (expand_expr): Likewise.
6310 (expand_expr_unaligned): Likewise.
6312 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
6313 (SLOW_UNALIGNED_ACCESS): Define.
6314 (CASE_VECTOR_MODE): Always use 32-bit offsets.
6315 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
6316 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
6317 (toc_section): Likewise and .toc pseudo-op.
6318 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
6320 (TEXT_SECTION_ASM_OP): Likewise.
6321 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
6324 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
6325 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
6326 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
6327 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
6328 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
6330 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
6332 * regclass.c: Revert my Jan 4 change to loop cost computation.
6334 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6336 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
6339 2000-01-04 Stan Cox <scox@cygnus.com>
6341 * haifa-sched.c (build_control_flow): Change unreachable simple
6342 loop test to check if current block has only one predecessor.
6343 (find_rgns): Initialize degree. Use dest as degree index, not src.
6345 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6347 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
6349 * calls.c (expand_call): Likewise for
6350 `old_stack_arg_under_construction'.
6352 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
6354 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
6357 * gcc.c (execute): Likewise for `ut' and `st'.
6359 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
6361 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
6363 * jump.c (jump_optimize_1): Likewise for `temp2'.
6365 * local-alloc.c (block_alloc): Likewise for `r1'.
6367 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
6369 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
6370 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
6372 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
6375 * reload.c (find_reloads): Likewise for `goal_alternative_number'
6376 and `goal_earlyclobber'.
6378 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
6380 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
6382 * stupid.c (stupid_life_analysis): Likewise for `chain'.
6384 * unroll.c (copy_loop_body): Likewise for `copy'.
6386 * varasm.c (output_constructor): Likewise for `byte'.
6388 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6390 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
6391 all FP constants for constant->reg moves.
6392 (ix86_split_to_parts): Try to convert memory address into immediate
6393 when available in the constant pool.
6394 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
6396 (LEGITIMATE_CONSTANT_P): Return 1.
6397 * i386.md (pushsf): New splitter to convert constant pool memory
6398 reference to immediate.
6399 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
6402 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
6404 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
6405 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
6406 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
6407 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
6408 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
6410 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
6412 * ginclude/stdbool.h: Support compilation as C++.
6414 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6416 * fold-const.c (make_range): Don't try to reverse an unbounded range.
6418 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
6420 * regclass.c (regclass): Properly compute loop_cost. Adjust
6423 * regclass.c: Fix minor whitespace problems.
6425 2000-01-03 Anthony Green <green@cygnus.com>
6427 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
6428 Restore the pic register if required.
6430 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
6432 * c-common.c (format_char_info): Update comment.
6433 (check_format_info): Recognize 'z' modifier in the same way 'Z'
6434 was recognized. Emit warning for formats new in ISO C99 only
6435 if flag_isoc9x is not set.
6437 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
6439 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
6441 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6443 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
6444 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
6445 (make_compound_operation): Choose cheaper alternative between
6446 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
6448 * regclass.c (op_costs): Remove global variable.
6449 (record_reg_classes): New parameter "op_costs" and "reg_pref".
6450 (record_operand_costs): Break out from ...
6451 (scan_one_insn): ... here.
6452 (dump_regclass): Make dumps nicer.
6453 (regclass): Dump preferrences choosed and changes done during passes.
6455 2000-01-03 Jakub Jelinek <jakub@redhat.com>
6457 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
6459 2000-01-03 Jakub Jelinek <jakub@redhat.com>
6461 * config/sparc/sparc.c (gen_df_reg): New function.
6462 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
6463 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
6464 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
6465 movtf_cc_reg_sp64+1): Use it.
6467 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6469 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
6472 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
6474 * config/i386/i386.c (ix86_expand_unary_operator): Function
6475 definition made void.
6476 (ix86_expand_binary_operator): Update outdated preceding comment.
6477 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
6480 * config/i386/i386.c (override_options): Fix option-name typo.
6482 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6484 * system.h (CEIL): Define.
6485 * builtins.c (CEIL): Remove.
6486 * expmed.c (CEIL): Likewise.
6487 * expr.c (CEIL): Likewise.
6488 * stor-layout.c (CEIL): Likewise.
6490 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6492 * expr.c (store_constructor_field): Fix typo introduced with last
6495 2000-01-01 Mark Mitchell <mark@codesourcery.com>
6497 * tree.h (BINFO_N_BASETYPES): New macro.
6499 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
6501 * expmed.c (emit_store_flag): Prevent losing a pending stack
6502 adjust the same way we prevent losing queued increments.
6504 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6506 * function.c (update_temp_slot_address): Handle case where sum of
6507 temporary address plus offset in register is a valid address.
6509 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6511 * genrecog.c (change_state) Corrected typo.
6513 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6515 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
6516 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
6517 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
6519 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
6521 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
6522 case, expand GT comparisons correctly. Fix a comment before this
6525 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
6527 * dwarfout.c: Include "frame.h"
6528 * dwarf2out.c: Likewise.
6529 * Makefile.in (dwarfout.o): Depend on frame.h
6530 (dwarf2out.o): Likewise.
6532 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
6534 Restore i386 binary compatibility in Dwarf EH info.
6535 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
6536 value of FIRST_PSEUDO_REGISTER.
6537 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
6538 (struct frame_state): Use DWARF_FRAME_REGISTERS.
6539 * dwarfout.c (output_reg_number): Ditto.
6540 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
6541 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
6543 1999-12-29 Bruce Korb <autogen@linuxbox.com>
6545 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
6546 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
6547 (<hack>_RE_CT): not needed
6548 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
6549 rewritten to scan the file text once only
6550 "template<..." test added
6551 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
6552 (is_cxx_header): declaration added
6553 * fixinc/fixtests.c(is_cxx_header): removed
6554 (apply_fix_p_t): removed
6555 (double_slash_test): is_cxx_header is only called once now
6556 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
6557 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
6558 within the templates.
6559 The borken spelling of "broken" was fixed.
6560 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
6561 The default level depends on FIXINC_DEBUG.
6563 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6565 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
6566 Otherwise provide a declaration for atexit.
6567 (init_dummy): Make sure dummy call to atexit is nevertheless
6568 called with correct number of args.
6570 * frame.c: Update comments referring to other files.
6572 * libgcc2.c: Likewise.
6574 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6576 * cse.c (free_element, get_element): Remove unused prototypes.
6578 * fold-const.c (extract_muldiv): Initialize variables `op0' and
6581 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
6584 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
6586 * configure.in,configure: case arm for mn10200-*-* now sets
6587 float_format=i32 so that float.h will correctly claim "double"
6588 to be 32 bits. Ran autoconf to generate configure from .in file.
6590 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
6592 * pa.md (conditional zero): If op1 is a register, force it into
6593 the same register as op0.
6595 1999-12-28 Mark Mitchell <mark@codesourcery.com>
6597 * tree.h (BINFO_BASETYPES): Improve documentation.
6599 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6601 * configure.in (--enable-checking): Use a more portable `for'
6604 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6606 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
6607 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
6609 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
6612 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
6613 Delete descriptions.
6615 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
6616 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
6617 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
6618 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
6619 xm-svr4.h: Remove all instances of sys_siglist handling.
6621 1999-12-27 Jakub Jelinek <jakub@redhat.com>
6623 * config/sparc/sparc.md (cmp_zero_qi,
6624 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
6625 cmp_zero_extendqidi2_andcc_set): New patterns.
6627 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
6629 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
6630 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
6631 (fpgnulib.c, xfgnulib.c): Add rules.
6632 * m68k/t-mot3300-gas: Likewise.
6634 1999-12-27 Ian Lance Taylor <ian@zembu.com>
6636 * configure.in: Avoid [[ by using test and changequote. Add
6637 changequote required by 1999-12-14 change.
6638 * configure: Rebuild.
6640 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
6642 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
6644 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
6646 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
6647 * flow.c (find_use_as_address): Likewise.
6648 * function.c (fixup_var_refs_1): Likewise.
6649 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
6650 * jump.c (invert_exp, redirect_exp): Likewise.
6651 * loop.c (replace_call_address): Likewise.
6652 (count_nonfixed_reads): Likewise.
6653 * rtlanal.c (modified_between_p): Likewise.
6654 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
6655 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
6656 * unroll.c (remap_split_bivs): Likewise.
6658 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6660 * diagnostic.c (v_message_with_decl): Use .* format specifier
6661 instead of building the format specifier width manually.
6663 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
6664 determining whether to provide a prototype. Remove the
6665 sys_siglist clause in the conditional.
6667 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6669 * fold-const.c (operand_equal_p): Use memcmp to compare string
6671 Suggested by D. J. Bernstein
6673 1999-12-17 Jakub Jelinek <jakub@redhat.com>
6675 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
6676 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
6678 * config/mips/mips.h (TARGET_64BIT): Likewise.
6679 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
6680 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
6681 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
6682 dsps. Give routines proper names if SI/DI modes are not used.
6683 * longlong.h: Use DWunion instead of DIunion.
6685 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
6687 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
6688 GC_CHECKING, GC_ALWAYS_COLLECT.
6689 * configure.in: Allow --enable-checking with an argument
6690 listing check modes to enable.
6691 * config.in, configure: Rebuilt.
6692 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
6693 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
6694 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
6695 ENABLE_GC_ALWAYS_COLLECT.
6696 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
6698 * tree.h, tree.c: Change ENABLE_CHECKING to
6699 ENABLE_TREE_CHECKING throughout.
6701 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6703 * fold-const.c (fold_truthop): Properly check for FP RHS.
6705 1999-12-24 Mark Mitchell <mark@codesourcery.com>
6707 * toplev.h (note_deferall_of_defined_inline_function): Declare.
6708 * toplev.c (note_deferral_of_defined_inline_function): New
6709 function, split out from ...
6710 (rest_of_compilation): ... here. Use it.
6712 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6714 * expr.c (store_constructor): Don't call clear_storage if size is
6717 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6719 * Makefile.in (toplev.o): Depend on loop.h.
6721 * dwarfout.c: Include tm_p.h.
6723 * emit-rtl.c (restore_emit_status): Mark parameter with
6726 * final.c (final_scan_insn): Likewise.
6728 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
6729 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
6730 flow_depth_first_order_compute, flow_loop_pre_header_find,
6731 flow_loop_tree_node_add, flow_loops_tree_build,
6732 flow_loop_level_compute, flow_loops_level_compute,
6733 flow_loop_outside_edge_p): Add prototypes.
6734 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
6736 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
6737 Mark with ATTRIBUTE_NORETURN.
6739 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
6741 * local-alloc.c (no_conflict_p): Likewise.
6743 * loop.c (insert_bct): Hide definitions of variables with hidden
6745 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
6747 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
6748 with ATTRIBUTE_UNUSED.
6749 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
6750 (reg_scan): Likewise.
6752 * reload.c (find_reloads): Remove unused variables `changed'.
6754 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
6756 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
6757 Remove unused variable `insn'.
6759 * toplev.c: Include loop.h.
6760 (report_file_and_line): Remove unnecessary prototype.
6762 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
6764 * unroll.c (biv_total_increment): Likewise.
6766 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6768 * reload1.c (emit_input_reload_insns): Restore old behaviour
6769 wrt. 'special' reloads.
6771 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
6773 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
6774 hash.h. (cse.c): Don't depend on hashtab.h.
6776 * cse.c: Don't include hashtab.h.
6777 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
6779 * ggc-simple.c: Don't include hash.h.
6781 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
6783 * dwarf2out.c (add_abstract_origin_attribute): Call
6784 gen_abstract_function on our function context.
6786 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
6788 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
6790 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6792 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
6795 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6797 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
6798 constraints to "a!r".
6800 1999-12-21 Mark Mitchell <mark@codesourcery.com>
6802 * Makefile.in (calls.o): Depend on function.h.
6803 (alias.o): Likewise.
6805 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
6807 * reload1.c (emit_reload_insns): Break out code and variables into...
6808 (input_reload_insns, other_input_address_reload_insns,
6809 other_input_reload_insns, input_address_reload_insns,
6810 inpaddr_address_reload_insns, output_reload_insns,
6811 output_address_reload_insns, outaddr_address_reload_insns,
6812 operand_reload_insns, other_operand_reload_insns,
6813 other_output_reload_insns): ... new static variables, and...
6814 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
6815 do_output_reload): ... new functions.
6817 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6819 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
6821 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6823 * md.texi: Add c4x constraints documentation.
6825 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6827 * config/i386/dgux.c (struct option): Rename to
6828 lang_independent_option.
6829 (struct m_options): Add description field.
6830 (output_options): Rename option type, add sep declaration, output
6831 ix86_cpu_string and ix86_arch_string only if set.
6832 (output_file_start): Rename option type.
6834 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
6836 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
6838 (libgcc2.a): Similarly.
6840 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
6842 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
6843 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
6844 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
6846 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
6848 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
6849 Remove redundant initialization of "frexpon" and "expon".
6851 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6853 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
6855 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
6856 (store_constructor_field, expand_expr): Pass new arg.
6858 1999-12-20 Mark Mitchell <mark@codesourcery.com>
6860 * Makefile.in (explow.o): Depend on function.h.
6862 * stor-layout.c (set_sizetype): Fix typo.
6864 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
6866 * function.c (cfun): Renamed from current_function. All users
6868 * function.h (cfun): Rename declaration as well.
6870 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
6871 to be of type regset_head, not regset. All users changed by adding
6873 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
6875 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6877 * config/c4x/rtems.h: New file.
6879 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
6881 * reload1.c (spill_failure): Take class of failed reload as argument
6882 and print it. Caller changed.
6884 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6886 * rs6000.h (SUBTARGET_DEFAULT): New macro.
6887 (TARGET_SWITCHES): Allow subtargets to default switches.
6888 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
6890 1999-12-18 Mark Mitchell <mark@codesourcery.com>
6892 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
6895 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
6897 * cccp.c (main): Define __STDC_VERSION__ as necessary.
6898 * cppinit.c (cpp_handle_option): Likewise.
6900 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
6901 determine when to define.
6903 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
6905 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
6906 cmove with mismatched test and data modes.
6908 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
6910 * c-typeck.c (c_expand_start_case): Don't warn for long switch
6913 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6915 * alias.c: Minor reformatting.
6918 * stor-layout.c: Likewise.
6919 * fold-const.c: Likewise.
6920 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
6921 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
6923 (size_int_wide): Cache nodes even if garbage collecting.
6924 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
6925 of SAVE_EXPR has no side effects.
6926 * cse.c: Move a comment.
6927 * tree.c: Minor reformatting.
6928 (int_size_in_bytes): Return -1 if constant overflows.
6930 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6932 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
6934 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
6936 * objc/objc-parse.c: Regenerate. This file must be rebuilt
6937 after any change to c-parse.in, even if objc-parse.y didn't
6940 1999-12-18 David S. Miller <davem@redhat.com>
6942 * toplev.c (rest_of_compilation): Restore BLOCK tree
6943 reconstruction and branch shortening changes lost in
6944 December 18th change.
6946 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
6948 * config/arm/linux-elf.h: Change all instances of
6949 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
6950 * config/arm/uclinux-elf.h: Likewise.
6952 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
6954 * toplev.c (notice, vmessage, v_message_with_file_and_line,
6955 v_message_with_decl, file_and_line_for_asm,
6956 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
6957 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
6958 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
6959 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
6960 pfatal_with_name, fatal_io_error, need_error_newline,
6961 last_error_function, last_error_tick, announce_function,
6962 default_print_error_function, print_error_function,
6963 report_error_function, fnotice, error_with_file_and_line,
6964 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
6965 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
6966 warning_with_decl, warning_for_asm, warning, pedwarn,
6967 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
6969 (compile_file): Use fnotice instead of notice. Adjust call.
6971 * diagnostic.c: New file.
6973 * Makefile.in (OBJS): Include diagnostic.o
6974 (diagnostic.o): Define dependence.
6976 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6978 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
6981 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6983 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
6985 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
6987 * fixtests.c (is_cxx_header): New fn, split out of
6989 (else_endif_label): Allow "#endif // comment" in C++ headers,
6990 as determined by is_cxx_header.
6991 * fixfixes.c (else_endif_label_fix): Update comment.
6992 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
6994 * genfixes: Correct double thinko in commandline parsing.
6995 * hackshell.tpl: Generate correct sh syntax for bypass
6998 * inclhack.def (all): Whenever an inserted preprocessor
6999 conditional is split over multiple lines, use double
7000 backslashes in this file so the fixed header will be readable.
7002 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
7003 and add bypass entry for correct version of this header.
7004 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
7005 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
7007 (hpux8_bogus_inlines): New fix, split from...
7008 (ultrix_atof_param) ... here.
7009 (math_expression): Add bypass entry keyed to glibc comment
7010 indicating the problem has been dealt with; disable
7011 unnecessary sed operations; update commentary.
7012 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
7013 add select and bypass entries, simplify shell operation.
7014 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
7016 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
7017 ultrix_atof_param): Add select entry.
7018 (stdio_va_list, sunos_mather_decl): Add bypass entry.
7019 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
7020 comments with the fixes they describe.
7022 * c-parse.in (string action): Do not warn about ANSI string
7023 concatenation in system headers. Affects C parser only.
7024 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
7026 1999-12-16 Jakub Jelinek <jakub@redhat.com>
7028 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
7029 compiling libgcc2 the macro depends always on arch cpp defines.
7031 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
7033 * loop.c (insert_loop_mem): Don't record MEMs from inside
7036 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
7038 * regclass.c (regclass): Do not use flowgraph when not optimizing.
7040 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
7041 notes too, create one when replacement failed, attempt to simplify
7043 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
7046 1999-12-16 Mark Mitchell <mark@codesourcery.com>
7048 * crtstuff.c (__dso_handle): Declare.
7049 (__cxa_finalize): Likewise.
7050 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
7053 * invoke.texi: Document -fuse-cxa-atexit.
7055 * tree.h (ptr_type_node): Document.
7056 (const_ptr_type_node): Likewise.
7058 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7060 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
7061 (optimize_reg_copy_2): Likewise.
7062 (optimize_reg_copy_3): Likewise.
7063 (fixup_match_2): Likewise.
7064 (regmove_optimize): Likewise.
7065 (fixup_match_1): Liekwise.
7067 * i386.md (HI to SImode promoting splitters): Rewrite.
7068 (pushsf mem peep2): New.
7069 (testhi to andhi peep2): Remove.
7070 * i386.h (x86_promote_QImode): New.
7071 (TARGET_PROMOTE_QImode): New.
7072 (PREDICATE_CODES): Add promotable_binary_operator.
7073 * i386.c (x86_promote_QImode0: New.
7074 (promotable_binary_operator): New.
7075 * i386-protos.h (promotable_binary_operator): New.
7077 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
7079 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
7081 1999-12-16 Mark Mitchell <mark@codesourcery.com>
7083 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
7084 * function.c (insert_block_after_note): Remove.
7085 (retrofit_block): Likewise.
7086 (identify_blocks): Fix indentation.
7087 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
7088 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
7089 * function.h (insert_block_after_note): Remove prototype.
7090 (retrofit_block): Likewise.
7091 * integrate.c (expand_inline_function): Don't call
7092 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
7093 just expand_start_bindings. Use the block_map to remap old
7094 NOTE_BLOCKs to new ones.
7095 (integrate_decl_tree): Keep track of remapped blocks.
7096 * integrate.h (struct inline_remap): Add block_map.
7097 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
7098 NOTE_BLOCK on the notes.
7099 (expand_start_bindings): Rename to ...
7100 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
7101 (expand_end_bindings): Set NOTE_BLOCK.
7102 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
7103 reconstruct the BLOCK tree.
7104 * tree.h (expand_start_bindings): Macroize. Call ...
7105 (expand_start_bindings_and_block): New function.
7107 1999-12-16 Jakub Jelinek <jakub@redhat.com>
7109 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
7110 to match the format.
7112 1999-12-16 David S. Miller <davem@redhat.com>
7114 * expr.c (emit_move_insn_1): Only emit clobbers if one of
7115 the outputs is a SUBREG.
7116 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
7119 * config/sparc/sparc.c (epilogue_renumber): Add default case
7122 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7124 * toplev.c (rest_of_compilation): Run branch shortening after
7127 * regclass.c (loop_depth): Remove
7128 (scan_one_insn): Do not handle LOOP_NOTE insns.
7129 (regclass): Go through basic blocks and set loop_cost
7131 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
7133 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
7135 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7137 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
7138 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
7139 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
7141 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
7143 * loop.c (insert_loop_mem): Ignore memory clobbers.
7145 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
7148 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
7150 * profile.c: Remove redundant #include "output.h".
7152 * h8300.md (HImode preinc peephole): Fix typo.
7154 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7156 * function.c (retrofit_block): Abort if we don't find a suitable insn.
7157 (insert_block_after_note): Abort if we don't have a previous block.
7158 Remove FN parameter.
7159 * function.h: Adjust.
7161 1999-12-15 Mark Mitchell <mark@codesourcery.com>
7163 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
7164 argument more than once.
7166 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7168 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
7170 1999-12-15 Jakub Jelinek <jakub@redhat.com>
7172 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
7174 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7176 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
7177 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
7178 update stack_alignment_needed.
7179 (prepare_function_start): Initialize stack_alignment_needed
7180 * function.h (struct function): Add field stack_alignment_needed.
7182 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7184 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
7185 Handle live_throughout / dead_or_set instead of live_before /
7187 (save_call_clobbered_regs): Get register livenessinformation from
7188 chain->live_throughout.
7189 (add_stored_regs): New function.
7190 (insert_restore, insert_save): Add restored / saved registers to
7192 * global.c (reg_dies): New parameter chain.
7193 (reg_becomes_live): Third parameter is regs_set now.
7194 Changed all callers.
7195 (reg_dies): New parameter chain. Changed all callers.
7196 (build_insn_chain): Set live_throughout instead of
7197 live_before / live_after.
7198 * reload.h (struct insn_chain): Replace members live_before /
7199 live_after with live_throughout / dead_or_set.
7200 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
7201 instead of live_before / live_after.
7202 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
7203 (order_regs_for_reload, find_reg, finish_spills): Likewise.
7204 (choose_reload_regs_init): Likewise.
7205 * stupid.c (current_chain, find_clobbered_regs): Delete.
7206 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
7207 instead of chain->live_before / chain->live_after.
7208 (mark_hard_ref): New function.
7209 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
7211 1999-12-15 David S. Miller <davem@redhat.com>
7213 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
7215 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7217 * flow.c (calculate_loop_depth): Make global, remove prototype,
7218 rewrite to use new loop infrastructure.
7219 (find_basic_block): Remove calculate_loop_depth call.
7220 * toplev.c (rest_of_compilation): Call find_basic_block.
7221 * output.h (calculate_loop_depth): Declare.
7223 * flow.c (dump_flow_info): Dump loop_depth.
7224 (flow_loops_nodes_find): Increase loop_depth for basic block in the
7226 (flow_loops_find): Initialize the loop_depth for each basic block.
7228 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7230 * tree.c (decl_function_context): Handle virtual functions.
7232 * tlink.c (scan_linker_output): Don't look in demangled name when
7233 looking for linker output keywords.
7235 * dwarfout.c (output_type): We can defer namespace-scope classes.
7237 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
7239 * regclass.c (record_reg_classes): Update comment for merging
7240 register class preferences in reg->reg copies. Tighten conditions
7241 for merging register class preferences in reg->reg copies.
7243 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
7245 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
7247 1999-12-14 Geoff Keating <geoffk@cygnus.com>
7249 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
7250 (INIT_SECTION_ASM_OP): Delete.
7251 (FINI_SECTION_ASM_OP): Delete.
7252 (STARTFILE_SPEC): Define to hold just crtbegin.o.
7254 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
7256 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
7257 the abstract origin wasn't emitted.
7259 * dwarf2out.c (class_scope_p): New fn.
7260 (gen_subprogram_die): Use it.
7261 (gen_variable_die): Use it. Tweak logic.
7262 (gen_struct_or_union_type_die): Check context_die to determine
7263 if we're function-local.
7264 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
7266 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7268 * loop.c (check_dbra_loop): Can't reverse a biv that has
7271 1999-12-14 Nick Clifton <nickc@cygnus.com>
7273 * config/arm/arm.c: Add support for -mcpu=arm720 command line
7276 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7278 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
7279 for givs made from biv increments.
7281 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
7283 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
7284 * alpha.c (override_options): Recognize -mcpu=ev67.
7285 * alpha.h (CPP_CPU_EV67_SPEC): New.
7286 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
7287 (EXTRA_SPECS): Update.
7289 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
7291 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
7292 appropriate for -lang-c89 and -std=*.
7293 * cppinit.c (cpp_handle_option): Likewise.
7294 (new_pending_define): New, split out from cpp_handle_option.
7295 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
7296 or enable trigraphs for -ansi/-std=*.
7298 * ginclude/stdarg.h (__va_copy): New.
7299 (va_copy): Don't define for C89.
7301 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
7303 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
7304 for long long multiply-accumulate.
7306 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7308 * regclass.c (scan_one_insn): Set loop_cost to 1 when
7309 optimizing for size.
7311 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7313 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
7314 if something changed. Back out that part of yesterday's changes.
7316 * loop.c (loop_max_reg): New static variable.
7317 (loop_optimize): Initialize it. Eliminate one unnecessary call to
7319 (scan_loop): Call reg_scan_update whenever we may have added new
7320 registers, and update loop_max_reg.
7322 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7324 * regclass.c (record_reg_classes): Do not do the copying preferrencing
7325 when source does not die.
7327 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
7329 1999-12-14 Jakub Jelinek <jakub@redhat.com>
7331 * config/sparc/linux64.h (TARGET_LIVE_G0,
7332 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
7334 * config/sparc/linux.h (TARGET_LIVE_G0,
7335 TARGET_BROKEN_SAVERESTORE): Likewise.
7336 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
7337 TARGET_BROKEN_SAVERESTORE): Likewise.
7339 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
7340 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
7342 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
7343 as sparc64 block profiling register.
7344 * config/sparc/sparc.c (sparc_override_options): Allow block
7345 profiling with -m32.
7346 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
7348 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
7349 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
7350 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
7352 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
7354 * config/sparc/sparc.h: Likewise.
7355 * config/sparc/xm-sysv4-64.h: Likewise.
7356 * config/float-sparc.h: Likewise.
7357 * glimits.h: Likewise.
7358 * longlong.h: Likewise.
7360 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
7361 (ASM_IDENTIFY_GCC): Remove.
7363 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7365 * combine.c (combine_simplify_rtx): Don't make shared rtl.
7366 (simplify_logical): Likewise.
7368 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
7370 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
7371 * cppfiles.c (INO_T_EQ): Likewise.
7373 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
7375 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
7376 * i386/mingw32.h (LIB_SPEC): Likewise.
7377 (STARTFILE_SPEC): Likewise.
7378 * i386/uwin.h (LIB_SPEC): Likewise.
7379 (STARTFILE_SPEC): Likewise.
7381 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
7382 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
7384 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
7386 * combine.c (combine_simplify_rtx): Fix order of checks for
7387 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
7389 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
7391 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
7392 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
7394 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
7396 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
7398 * regclass.c (inv_reg_alloc_order): New array.
7399 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
7401 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
7402 counted_for_groups, counted_for_nongroups. Add fields rld and
7404 * reload.c (push_secondary_reload): Don't set nongroup field of
7406 (push_reload): Likewise.
7407 (find_reloads): Delete code to compute nongroup fields.
7408 * reload1.c (reload_insn_firstobj): New static variable.
7409 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
7411 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
7412 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
7413 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
7415 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
7417 (struct hard_reg_n_uses): Deleted.
7418 (potential_reload_regs): Deleted.
7419 (init_reload): Initialize spilled_pseudos and pseudos_counted.
7420 (reload): Don't try to allocate reload registers if we already know
7421 we have to make another pass. Call select_reload_regs. Free memory
7422 starting with reload_firstobj when starting another pass.
7423 Don't allocate spilled_pseudos.
7424 (calculate_needs_all_insns): Call copy_reloads for an insn that
7425 needs reloads; don't call calculate_needs.
7426 (spill_cost): New static array.
7427 (used_spill_regs_local): New static variable.
7428 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
7429 to compute potential_reload_regs.
7430 (find_reload_regs): Completely rewritten to use find_reg.
7431 (allocate_reload_reg): Don't test counted_for_groups or
7432 counted_for_nongroups. Lose NOERROR arg and code to give an error;
7434 (choose_reload_regs): Add fallback code that uses the existing
7435 register allocation from find_reload_regs.
7437 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
7439 * flow.c (create_edge_list): Cast xmalloc return value.
7441 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
7443 * doprnt.c: Remove incorrect comment closure.
7445 * cse.c: Fix a few minor whitespace goofs.
7447 1999-12-13 Don Bowman <don@pixstream.com>
7449 * mips/vxworks.h: Fix problem with comment termination.
7450 (EXTRA_SECTIONS): Add in_sbss.
7451 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
7453 1999-12-12 David S. Miller <davem@redhat.com>
7455 * cse.c (struct cse_reg_info): Add hash_next member,
7456 reorder rest of struct for better packing on 64-bit
7458 (cse_reg_info_tree): Kill.
7459 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
7460 REGHASH_FN): New custom pow2 hash mechanism.
7462 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
7463 use a pow2 hash table.
7464 (get_cse_reg_info): Rework to use new REGHASH.
7465 (new_basic_block): Likewise, use HASH_SIZE, and inline
7467 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
7468 and inline free_element call.
7469 (lookup_as_function, insert, flush_hash_table, invalidate,
7470 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
7471 invalidate_for_call, use_related_value, find_comparison_args,
7472 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
7473 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
7476 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
7478 * cse.c (cse_basic_block): Free qty_table consistently.
7480 1999-12-12 David S. Miller <davem@redhat.com>
7481 Jakub Jelinek <jakub@redhat.com>
7483 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
7484 SUBREGs by hand, gen the appropriate hard reg directly.
7485 (movtf reg/mem split): Likewise and alter_subreg on destination
7487 (movtf mem/reg split): Similarly.
7488 (movdf_cc_sp64): Rename from hidden pattern.
7489 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
7490 (movtf_cc_sp64, following split): New pattern and splitter.
7491 (movdf_cc_reg_sp64): Rename from hidden pattern.
7492 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
7494 (movtf_cc_reg_sp64, following split): New pattern and splitter.
7496 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
7498 * loop.c (load_mems): Don't hoist written floating point mem
7501 1999-12-12 Mark Mitchell <mark@codesourcery.com>
7503 * except.h (struct eh_queue): Add `next' pointer.
7504 (struct eh_status): Make x_ehqueue a pointer.
7505 (push_ehqueue): Declare.
7506 (pop_ehqueue): Likewise.
7507 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
7509 (expand_fixup_region_end): Likewise.
7510 (expand_leftover_cleanups): Likewise.
7511 (push_ehqueue): Define.
7512 (pop_ehqueue): Likewise.
7513 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
7514 than doing it inline.
7515 (expand_start_all_catch): Adjust now that ehqueue is a
7517 (mark_eh_queue): Mark all level of the queue.
7518 (mark_eh_status): Adjust now that ehqueue is a
7520 (init_eh_for_function): Allocate ehqueue.
7521 (free_eh_status): Free it.
7522 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
7523 expansion for a fixup.
7525 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7527 * gthr-single.h (__gthread_active_p): Add prototype arguments.
7529 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
7530 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
7531 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
7532 function_ptr, getpagesize, __enable_execute_stack,
7533 __enable_execute_stack, __clear_insn_cache,
7534 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
7535 _cleanup, _exit, __default_terminate, __terminate_func,
7536 __terminate, __empty, __throw, new_eh_context,
7537 eh_context_initialize, eh_context_static, eh_context_specific,
7538 get_eh_context, __get_eh_context, __get_eh_info,
7539 init_reg_size_table, eh_threads_initialize,
7540 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
7541 __unwinding_cleanup, throw_helper, __throw, __rethrow,
7542 __pure_virtual): Add prototype arguments.
7543 (__bb_exit_func): Cast a sizeof to long when comparing against one.
7544 Cast a signed value to unsigned long when comparing against one.
7545 (new_eh_context): Wrap in _GTHREADS macro.
7546 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
7548 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
7549 (throw_helper): Initialize variables `handler_p' and `pc_p'.
7551 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7553 * combine.c (record_promoted_value): Remove unused variable
7556 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
7558 * global.c (record_conflicts): Likewise for `j'.
7560 * genoutput.c (output_insn_data): Don't unnecessarily cast away
7563 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7565 * i386-protos.h (output_387_binary_op, output_fix_trunc,
7566 output_fp_compare): Constify a char*.
7568 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
7570 (override_options, ix86_comp_type_attributes, print_operand,
7571 output_387_binary_op, output_fix_trunc, output_fp_compare):
7573 (ix86_sched_reorder): Mark parameter `clock_var' with
7576 * i386.h (DEBUG_PRINT_REG): Constify a char*.
7578 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
7580 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
7581 operand, for use in the Java front-end.
7583 1999-12-10 Ben Collins <bcollins@debian.org>
7585 * configure.in: Fix typo for "-64" in 64bit as check.
7586 * configure: Rebuilt.
7588 1999-12-10 Jakub Jelinek <jakub@redhat.com>
7590 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
7593 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7595 * c-parse.in (string): With -Wtraditional, warn if ANSI string
7596 concatenation is utilized.
7598 * invoke.texi (-Wtraditional): Document it.
7600 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7602 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
7603 Cast a ptrdiff_t to long and pass it to printf with %ld.
7605 1999-12-10 Geoff Keating <geoffk@cygnus.com>
7607 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
7608 68881, we have no 68881 registers at all.
7609 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
7610 value in a 68881 register if it is available.
7612 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
7614 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
7615 for long long multiply-accumulate.
7617 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
7619 * loop.c (insert_loop_mem): Undo last change.
7621 1999-12-10 David S. Miller <davem@redhat.com>
7623 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
7625 * config/sparc/sparc-protos.h: Add them.
7626 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
7627 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
7628 constraints which use those helpers.
7629 (EXTRA_CONSTRAINT): Use this new macro.
7630 * md.texi: Update sparc target constraints documentation.
7631 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
7632 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
7633 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
7634 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
7635 (movsf high/lo_sum split): Rework for new patterns.
7636 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
7638 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
7640 * c-common.c (c_common_nodes_and_builtins):
7641 Create __builtin_ptrdiff_t and __builtin_size_t.
7643 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
7645 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
7647 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7649 * regclass.c (globalize_reg): Re-instate test that allows
7650 fixed registers to be declared as a variable even after functions
7653 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7655 * i386.md (cpu attribute): Add "athlon".
7656 (athlon_decode): New attribute.
7657 (Athlon scheduling units definitions): New.
7658 (fcmp and shld patterns): Set athlon_decode to "vector".
7659 * i386.c (athlon_cost): New.
7661 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
7662 x86_use_sahf): Set for Athlon.
7663 (x86_use_fiop): Unset for Athlon.
7664 (override_options): Define Athlon alignments and "athlon" name.
7665 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
7666 * i386.h (TARGET_ATHLON): New.
7667 (enum processor_type): Add PROCESSOR_ATHLON.
7668 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
7670 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
7672 1999-12-09 Andreas Jaeger <aj@suse.de>
7674 * loop.c (record_biv): Declare parameter as int.
7676 * config/i386/i386-protos.h: Declare long_memory_operand.
7678 1999-12-09 Mark Mitchell <mark@codesourcery.com>
7680 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
7681 EXPR_WITH_FILE_LOCATION.
7683 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7685 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
7688 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
7690 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
7693 1999-12-09 Jakub Jelinek <jakub@redhat.com>
7695 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
7696 default on linux64 again.
7697 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
7698 models for multilibing.
7699 * genmultilib: Accept | as alternative separator within a set in
7702 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
7704 * calls.c (precompute_arguments): Make sure initial_value contains
7705 value pseudo which CSE expects.
7706 * cse.c (struct set): New entry orig_src.
7707 (cse_insn): Set it early on entry, use it for libcall EQUIV note
7710 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
7712 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
7714 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
7716 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
7718 1999-12-08 Jakub Jelinek <jakub@redhat.com>
7720 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
7721 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
7723 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
7726 * longlong.h: Merge in changes from glibc.
7727 Also don't clobber %g2 register in 32bit SPARC assembly, so that
7728 -mno-app-regs libgcc can be compiled.
7729 * libgcc2.c: Add defines so that the updated longlong.h
7730 can be used in libgcc2.a. Also, make sure on most architectures
7731 (at least on all which have optimized code in longlong.h defined
7732 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
7734 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7736 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
7737 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
7738 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
7740 * configure: Rebuilt.
7742 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
7744 * alpha.c (secondary_reload_class): For !BWX, sub-simode
7745 outputs require a register.
7747 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
7749 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
7750 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
7751 functions like dptoul will be resolved.
7752 (libgcc2.a): Make sure that the object files from DPBIT are named
7753 differently (prefix `_dp') from those that would be coming from
7756 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
7758 * configure.in: When target is sparc* and tm_file contains 64,
7759 test for 64bit support in assembler. If not supported, remove
7760 sparc/t-sol2-64 from target-dependent Makefile fragments.
7761 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
7762 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
7763 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
7764 * acconfig.h (AS_SPARC64_FLAG): Added.
7765 * configure, config.in: Rebuilt.
7766 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
7767 support. Use AS_SPARC64_FLAG.
7769 1999-12-07 Jakub Jelinek <jakub@redhat.com>
7771 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
7772 suitable for holding OFmode values so that gcc works with complex
7774 (hard_64bit_mode_classes): Likewise.
7776 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
7777 so that it is actually matched.
7778 (sethi_di_medlow): Likewise.
7780 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
7781 as legitimate constant if -mvis.
7782 * config/sparc/sparc.md (movtf): Likewise.
7783 (clear_sf): Use const_double_operand.
7784 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
7786 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
7787 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
7788 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
7789 routines, _Qp_* cannot be handled like that now.
7790 (INIT_TARGET_OPTABS): Likewise.
7791 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
7792 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
7793 sparc_emit_float_lib_cmp if ARCH64 and soft float.
7794 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
7795 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
7796 divtf3, sqrttf3): New expanders.
7797 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
7798 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
7799 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
7802 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
7803 * configure: Rebuilt.
7804 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
7805 -mcpu is given and we're doing 64bit compiles.
7807 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
7809 * loop.h (struct induction): Add multi_insn_incr.
7810 * loop.c (basic_induction_var): New multi_insn_incr argument.
7811 Set it if we search back through previous insns for the biv.
7812 (record_biv): New multi_insn_incr argument; fill in struct induction.
7813 (strength_reduce): Discard an iv with multiple bivs, any of
7814 which require multiple insns to increment.
7816 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7818 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
7821 1999-12-06 David S. Miller <davem@redhat.com>
7823 * combine.c (check_promoted_subreg): Do not conditionalize this upon
7824 PROMOTE_FUNCTION_RETURN.
7826 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
7828 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
7829 and handle REG_UNUSED note on insn.
7831 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
7832 inner_mask instead of mask.
7834 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
7836 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
7837 zero if there was an error.
7839 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7841 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
7844 * longlong.h: Fix clobbers in SPARC asm statements.
7846 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
7847 valid sethi operations when TARGET_ARCH64.
7849 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
7850 always use move_by_pieces to avoid infinite recursion.
7851 (restore_fixed_argument_area): Likewise.
7853 * combine.c (check_promoted_subreg, record_promoted_value): New
7855 (combine_instructions): Use them to retain nonzero and sign bit
7856 information after SUBREGs are eliminated by optimizations in
7857 this pass if PROMOTE_FUNCTION_RETURN.
7859 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
7860 .register declaration. Don't use variables with __ prefixes.
7862 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7864 * fold-const.c (optimize_bit_field_compare): Only use one mode
7865 for both RHS and LHS in non-constant case.
7867 1999-12-06 Nathan Sidwell <nathan@acm.org>
7869 * frame.c (start_fde_sort): Only allocate erratic array, if
7870 linear one was allocated. Return allocated flag.
7871 (fde_insert): Only insert, if there's a valid array.
7872 (fde_end_sort): Split, sort and merge if linear and erratic
7873 arrays exist, else just sort linear one.
7874 (search_fdes): New function. Linear search through original fde
7876 (frame_init): Permit multiple initializations. Cope with
7878 (find_fde): Fallback on linear search, if failed to sort array.
7879 (__deregister_frame_info): Only free sorted array, if we
7882 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7884 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
7886 1999-12-05 Jakub Jelinek <jakub@redhat.com>
7888 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
7890 1999-12-05 Mark Mitchell <mark@codesourcery.com>
7892 * tree.h (special_function_p): Declare.
7893 * calls.c (special_function_p): Make it global. Don't take `name'
7894 as a parameter. Fix typo in 1999-11-28 change.
7895 (expand_cal): Adjust.
7897 1999-12-04 Mark Mitchell <mark@codesourcery.com>
7899 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
7900 * tree.h (EXPR_WFL_FILENAME): Define in terms of
7901 EXPR_WFL_FILENAME_NODE.
7902 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
7904 * print-tree.c (print_note): Print TREE_PRIVATE and
7907 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
7908 the original die cannot be found.
7910 * varray.h (varray_head_tag): Add elements_used.
7911 (VARRAY_PUSH): New macro.
7912 (VARRAY_POP): Likewise.
7913 (VARRAY_TOP): Likewise.
7914 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
7916 * varray.c (varray_init): Initialize elements_used.
7917 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
7918 (INTEGRATE_H): New variable.
7919 (integrate.o): Depend on INTEGRATE_H.
7920 (unroll.o): Likewise.
7922 * function.h (insert_block_after_note): Declare.
7923 * function.c (insert_block_after_note): Split out from ...
7924 (retrofit_block): ... here.
7926 * stmt.c (expand_fixup): Fix typo in comment.
7928 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7930 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
7931 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
7932 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
7933 (regmove_optimize, fixup_match_1): Likewise.
7935 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7937 * flow.c (flow_loops_dump): Add missing argument when calling
7940 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
7941 Greg McGary <gkm@gnu.org>
7943 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
7944 (init_attributes): Add A_NO_LIMIT_STACK.
7945 (decl_attributes): Handle A_NO_LIMIT_STACK.
7946 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
7947 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
7948 Handle stack bounds checking.
7949 * flags.h (flag_stack_check): Use the word 'probe' rather than
7950 'check', because the flag doesn't actually cause any checking to
7952 * function.c (expand_function_start): Set
7953 current_function_limit_stack.
7954 * function.h (struct function): Add limit_stack.
7955 (current_function_limit_stack): Define.
7956 * invoke.texi (Code Gen Options): Document new options.
7957 * rtl.h: Declare stack_limit_rtx.
7958 * toplev.c (stack_limit_rtx): New variable.
7959 (decode_f_option): Handle new options -fstack-limit-register=REG,
7960 -fstack-limit-symbol=IDENT, -fno-stack-limit.
7961 (main): Add stack_limit_rtx as GC root.
7962 * tree.h (DECL_NO_LIMIT_STACK): New macro.
7963 (struct tree_decl): New member no_limit_stack.
7965 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
7967 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
7968 (conditional_trap+1): Get new mnemonic correct.
7969 (conditional_trap+2): New pattern for DImode traps.
7971 * config/m68k/m68k.c (output_function_prologue): Handle
7973 * config/m68k/m68k.md (trap): New insn.
7974 (conditional_trap): New insn.
7975 * md.texi (Standard Names): Document `trap' and
7977 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
7978 so a cc0 setter doesn't get emitted at some random place in the
7981 * config/i960/i960.md (trap): New insn.
7982 (conditional_trap): New expander.
7983 (conditional_trap+1, conditional_trap+2): New insns for signed
7985 * config/i960/i960.c (i960_function_prologue): Use
7986 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
7988 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
7989 Geoffrey Keating <geoffk@cygnus.com>
7991 * flags.h (warn_padded, warn_packed): Add global var decls.
7992 * toplev.c (warn_padded, warn_packed): Add global var defns.
7993 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
7994 * stor-layout.c (layout_record): Add local variable `type'
7995 to hold often-used TREE_TYPE (field). Add local variable
7996 `unpacked_align' to hold alignment that would be in force
7997 if no `packed' attribute were present. Warn if `packed' attribute
7998 is unnecessary, or even harmful. Warn when gcc inserts padding
7999 to satisfy alignment requirements of members. Use NULL_TREE
8000 when checking whether var_size is set.
8001 * invoke.texi: Document new flags.
8003 1999-12-03 Nathan Sidwell <nathan@acm.org>
8005 * frame.c (fde_split): Reimplement to avoid variable sized array.
8007 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8009 * combine.c (try_combine): Before fixing up LOG_LINKS for the
8010 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
8012 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
8014 * invoke.texi: Document the mips option -mno-crt0
8016 1999-12-02 Mike Karr <mkarr@mathworks.com>
8018 * cccp.c (argdata): Added free_ptr member.
8019 (macroexpand): Initialize free_ptr of each argument. When an
8020 argument's buffers are freed, if the argument's free_ptr corresponds
8021 to a buffer on the input stack, then return the free_ptr to that stack
8022 frame, otherwise, free it.
8023 (macarg): If an argument begins and ends on the same input stack level,
8024 then transfer the free_ptr of that buffer to the argument in case
8025 the stack is popped during the processing of a subsequent argument.
8027 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
8029 * loop.c (note_reg_stored): New function.
8030 (struct note_reg_stored_arg): New structure.
8031 (try_copy_prop): Change to be more conservative; only replace within
8032 one extended basic block and stop replacing if a store to the
8033 replacement reg is seen.
8035 1999-12-02 Nick Clifton <nickc@cygnus.com>
8037 * config/fp-bit.c: Initialise all fields of the NAN
8040 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
8043 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
8045 * i386.md (extend?f?f2): Force the input into a register, not
8048 1999-12-01 Jakub Jelinek <jakub@redhat.com>
8050 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
8052 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
8053 alternative because setting up 64bit constant is usually costly,
8054 especially when reload is in progress or completed.
8055 (movdf_const_intreg_sp64): Likewise.
8056 (movdf_const_intreg split): Fix building up constants when
8057 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
8059 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
8061 * combine.c (if_then_else_cond): Use const_true_rtx instead of
8062 const1_rtx for return values in EQ/NE comparison against (const_int 0)
8065 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
8066 (asm_file_start): Emit .am33 into assembly file when compiling for
8068 (print_operand_address): Handle POST_INC addresses.
8069 (can_use_return_insn, initial_offset): Check AM33 registers too.
8070 (expand_prologue): Check & save AM33 registers too.
8071 (expand_epilogue): Similarly.
8072 (secondary_reload_class): Handle AM33 specific secondary reloads.
8073 (output_tst): Emit efficient code for the AM33 too.
8074 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
8075 (TARGET_SWITCHES): Add -mam33 switch.
8076 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
8077 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
8078 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
8079 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
8080 (enum reg_class, REG_CLASS_NAMES): Likewise.
8081 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
8082 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
8083 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
8084 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
8085 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
8086 (HAVE_POST_INCREMENT): Define.
8087 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
8088 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
8089 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
8090 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
8091 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
8092 (zero_extend to SI from QI/HI): Likewise.
8093 (sign_extend to SI from QI/HI): Likewise.
8094 (mulsidi3, umulsidi3): New patterns for the AM33.
8095 (tstsi with zero extension from QI/HI): Add AM33 variants.
8096 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
8097 (return_internal_regs, store_movm): Handle new AM33 registers.
8098 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
8099 (LIBGCC, INSTALL_LIBGCC): Likewise.
8100 * invoke.texi: Document new flags.
8102 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8104 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
8105 (addsi3_carry): Likewise.
8106 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
8107 (sbbsi3_carry): Likewise.
8108 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
8110 (test?i_1): Ensure that only one operand is memory.
8111 (conditional move patterns): likewise.
8112 (shift and rotate patterns): Rewrite to expander, add
8113 "binary_operator_ok" to the condition.
8115 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
8116 * i386.h (procesor_costs): Add movzbl_load field.
8117 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
8118 non-Q registers, accept DImode registers anywhere.
8120 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
8121 * i386.c (*_cost): Set value for movxbl_load field.
8123 * (addsi): New add to lea splitter.
8125 (lea to add/shift peep2): New.
8127 1999-12-01 Mark Salter <msalter@cygnus.com>
8129 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
8130 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
8131 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
8133 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8135 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
8136 * i386.md (movsi_xor): New.
8138 (movsi_1, movhi_1, movqi_1): Remove.
8139 (movsi_2): Rename to movsi_1.
8140 (movhi_2): Rename to movhi_1.
8141 (movqi_2): Rename to movqi_1.
8142 (movdi_1): Remove; remove splitter.
8143 (movdi_2): Rename to movdi_1.
8144 (divmodsi4 splitter): Do not emit clobbers for move patterns.
8145 (long move peep2): Do not create QI or HI mode mov0s
8146 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
8148 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
8151 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
8152 (abs?f2_if): Likewise.
8154 1999-11-30 Alex Samuel <samuel@codesourcery.com>
8156 * ggc.h (ggc_test_and_set_mark): New macro.
8157 (ggc_mark_rtx): Use ggc_test_and_set_mark.
8158 (ggc_mark_tree): Likewise.
8159 (ggc_mark_rtvec): Likewise.
8160 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
8162 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
8164 * dwarf2out.c (scope_die_for): Only handle types. Only search for
8166 (decl_scope_table): Just an array of trees now.
8167 (push_decl_scope): Simplify.
8168 (dwarf2out_init): Adjust.
8169 (local_scope_p): New fn.
8170 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
8171 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
8172 (gen_typedef_die): Likewise.
8173 (gen_lexical_block_die): Don't call push/pop_decl_scope.
8174 (gen_inlined_subroutine_die): Likewise.
8175 (gen_abstract_function): Set current_function_decl temporarily.
8176 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
8177 Handle block extern declarations. Don't call push/pop_decl_scope.
8178 (gen_decl_die): Fix logic for block externs.
8180 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8182 * calls.c (special_function_p): Remove `realloc' and add `strdup'
8183 to the list of functions which have attribute malloc by default.
8185 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8187 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
8188 integer constant does not match the traditional type, limit the
8189 warnings to cases where the base of the type is ten.
8191 * invoke.texi (-Wtraditional): Document it.
8193 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8195 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
8196 * rs6000.md: Only access a CONST_INT with INTVAL
8198 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
8200 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
8201 (compute_nearerout): Likewise.
8202 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
8203 size_t to unsigned long for formatting.
8205 1999-11-30 Jakub Jelinek <jakub@redhat.com>
8207 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
8208 Allow the user to override call-used/fixed state of %g2-5
8209 registers from the command line (with the exception of %g4 for
8211 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
8212 there is a higher chance of having a leaf function.
8213 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
8214 for ARCH64 which has %ccr register.
8215 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
8217 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
8218 insn accept into delay slot any insn which does not use %[ol]
8219 registers. Accept some LO_SUM and shift left by 1 for the normal
8221 (output_function_epilogue): Likewise.
8222 (epilogue_renumber): Added argument which inhibits any renumbering
8223 and just tests if the rtx does not use any %[ol] registers.
8224 (output_return): Reflect above change.
8226 1999-11-30 Jakub Jelinek <jakub@redhat.com>
8228 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
8229 aggregate passing for sizes <= 16 bytes.
8231 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
8233 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
8234 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
8235 * reload.c (find_dummy_reload): Likewise.
8236 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
8237 * reload1.c (reload_as_needed): Likewise.
8238 * stupid.c (stupid_find_reg): Likewise.
8239 * tm.texi (Obsolete Register Macros): Delete section.
8240 * gmicro.h: Remove all traces of the two macros.
8245 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
8247 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
8248 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
8249 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
8250 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
8251 units for the sparclite86x chip.
8252 (flush): Revert October 14th change; add SImode specifically.
8253 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
8254 * invoke.texi: Document it.
8256 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
8258 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
8259 psimode_truncation_operand.
8261 * config/mn10200/mn10200.c (psimode_truncation_operand): New
8262 function. Return true if the operand is either a MEM valid
8263 for a PSImode address or not a MEM at all.
8265 * config/mn10200/mn10200.md (truncsipsi2): Use
8266 psimode_truncation_operand.
8268 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8270 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
8271 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
8272 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
8273 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
8274 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
8275 (flow_loop_level_compute, low_loops_level_compute): Likewise.
8276 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
8277 * basic-block.h: Protect from multiple inclusion.
8278 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
8279 (struct loops, struct loop): Define structures.
8280 * sbitmap.c (sbitmap_a_subset_b_p): New function.
8281 * sbitmap.h: Protect from multiple inclusion.
8282 (sbitmap_a_subset_b_p): Add prototype.
8283 * Makefile.in (LOOP_H): New macro.
8284 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
8286 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
8288 * cppinit.c (CAT): The argument list of this macro may not contain
8291 1999-11-29 David S. Miller <davem@redhat.com>
8293 Move quantity tables and register equivalence chains into
8294 per-qty and per-register structure arrays respectively.
8295 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
8296 qty_const_insn, qty_comparison_code, qty_comparison_const,
8297 qty_comparison_qty): Delete, replace with...
8298 (qty_table): this structure table.
8299 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
8300 (reg_eqv_table): this structure table.
8301 (make_new_qty): Add argument MODE. Caller updated.
8302 Update to use qty_table and reg_eqv_table.
8303 (make_regs_eqv, delete_reg_equiv, insert_regs,
8304 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
8305 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
8306 cse_process_notes, cse_main, cse_basic_block): Likewise.
8308 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8310 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
8311 operation if C is negative.
8312 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
8313 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
8314 law for some divisions if constant is negative and change other
8315 divisions to the opposite rounding.
8317 * expr.c (store_constructor_field): If bit position is not multiple
8318 of alignment of TARGET's mode, use BLKmode.
8320 * expr.c (expand_expr_unaligned): Add more code from full case
8321 that is needed when OP0 is in a register.
8323 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8325 * dwarfout.c (field_byte_offset): Size can be zero if there was
8328 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
8330 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
8331 (associate_trees): Delete unused var TEM.
8332 (extract_muldiv): Delete unused var CANCEL_P.
8334 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
8335 (target_isinf, target_isnan, target_negative): Add return types to
8336 function definitions.
8338 1999-11-29 Bruce Korb <autogen@linuxbox.com>
8340 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
8341 * fixinc/hackshell.tpl: ditto
8342 * fixinc/fixtests.c(double_slash_test): more C++ header testing
8343 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
8345 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
8347 * reload.c (push_reload): When looking for a register to put into
8348 reg_rtx, make sure all hard regs in a multi-reg register are in the
8349 right class and nonfixed.
8351 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
8352 pending_read_insns, pending_write_insns, pending_read_mems,
8353 pending_write_mems, pending_list_length, last_pending_memory_flush,
8354 last_function_call, sched_before_next_call): Move static variables
8356 (bb_ prefixed versions): Replace with single array bb_deps.
8357 (struct deps): New structure.
8358 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
8359 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
8360 argument of type "struct deps *"; use that instead of global
8361 variables. All callers changed.
8362 (init_rgn_data_dependencies): Delete function.
8363 (init_rtx_vector): Delete function.
8364 (init_deps): New function.
8366 (free_pending_lists): Simplify, we always use the bb_deps array even
8367 if only one basic block.
8368 (compute_block_backward_dependences): Likewise.
8369 (schedule_region): Likewise.
8371 (propagate_deps): New function, broken out of
8372 compute_block_backward_dependences.
8373 (compute_block_backward_dependences): Use it.
8375 * alpha.md: Delete useless patterns that tried to work around
8376 register elimination problems.
8378 * unroll.c (loop_iterations): Don't abort if iteration variable
8381 From Joern Rennecke:
8382 * reload1.c (reloads_conflict): Reverse test comparing operand
8383 numbers when testing for conflict between output/outaddr reloads.
8385 1999-11-29 David S. Miller <davem@redhat.com>
8387 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
8389 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
8391 1999-11-28 Robert Lipe <robertl@cygnus.com>
8393 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
8394 table from .fini into .dtor.
8396 1999-11-28 Anthony Green <green@cygnus.com>
8398 * tree.h (struct tree_decl): Add malloc_flag.
8399 (DECL_IS_MALLOC): Define.
8400 * c-common.c (attrs): Add A_MALLOC attribute.
8401 (init_attributes): Add this attribute to the table.
8402 (decl_attributes): Handle malloc attribute.
8403 * calls.c (special_function_p): Check for the malloc attribute.
8404 * extend.texi (Function Attributes): Document malloc attribute.
8406 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
8408 * pa.md (reload shift-add patterns): Remove.
8410 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8412 * reorg.c (dbr_schedule) Print more statistics. Corrected
8413 problem when printing info when 3 delay slots are filled.
8415 1999-11-28 Jakub Jelinek <jakub@redhat.com>
8417 * combine.c (setup_incoming_promotions): Pass an outgoing
8418 regno to FUNCTION_ARG_REGNO_P which it expects.
8420 1999-11-28 Andreas Jaeger <aj@suse.de>
8422 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
8424 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
8426 * cccp.c (do_include): Avoid initialization of automatic variable.
8428 * integrate.c (mark_stores): Function definition made void, to match
8429 previous declaration.
8430 * regclass.c (dump_regclass): Ditto.
8431 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
8433 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8435 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
8436 known to be multiple of divisor.
8438 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
8440 * combine.c (try_combine): Add code to try to merge a set of a
8441 two-word pseudo to a constant with a setting of one of those words
8444 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
8445 (split_tree): Completely rework to make more general.
8446 (make_range, fold): Call negate_expr.
8447 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
8448 (fold, associate): Call new split_tree and associate_trees.
8449 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
8451 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
8453 * loop.c (try_copy_prop): Avoid GNU C extension.
8455 1999-11-25 Mark Mitchell <mark@codesourcery.com>
8457 * except.c (init_eh_for_function): Still zero eh_return_context,
8458 eh_return_stack_adjust, and eh_return_handler.
8460 * except.h (eh_status): Adjust documentation for x_protect_list.
8461 (begin_protect_partials): New function.
8462 * except.c (enqueue_eh_entry): Fix formatting.
8463 (get_first_handler): Add consistency check.
8464 (add_partial_entry): Adjust usage of protect_list.
8465 (emit_cleanup_handler): Save and restore ehqueue.
8466 (expand_start_all_catch): Add comment.
8467 (begin_protect_partials): New function.
8468 (end_protect_partials): Adjust usage of protect_list.
8469 (init_eh_for_function): Use xcalloc.
8471 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8473 * c-common.c (check_format_info): Don't call a variadic function
8474 with a non-literal format string.
8476 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
8478 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
8479 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
8482 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
8485 * collect2.c (collect_wait): Likewise.
8487 * dbxout.c (dbxout_type): Likewise.
8489 * gcc.c (do_spec_1): Likewise.
8491 * genemit.c (gen_insn, gen_expand): Likewise.
8493 * genrecog.c (write_switch, write_subroutine): Likewise.
8495 * mips-tfile.c (catch_signal, botch): Likewise.
8497 * print-rtl.c (print_rtx): Likewise.
8499 * toplev.c (default_print_error_function, report_error_function,
8500 _fatal_insn): Likewise.
8502 1999-11-25 Mark Mitchell <mark@codesourcery.com>
8504 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
8506 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8508 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
8509 operations when needed.
8510 * i386.md (fop_?f_comm): New.
8511 (fop_?f_1): Do not accept commutative operands.
8513 1999-11-25 Andreas Jaeger <aj@suse.de>
8515 * config/mips/mips.md (casesi_internal): Add missing brace.
8517 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
8519 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
8520 (splice_child_die): Handle moving a child DIE from the declaration
8521 DIE of a class to its specification.
8522 (gen_struct_or_union_type_die): Use 'complete' consistently.
8523 (gen_decl_die): Generate the virtual context DIE first.
8524 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
8526 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
8528 * config/mips/mips.md (call_value_multiple_interanal1): New.
8530 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
8532 * dwarf2out.c (free_AT, free_die): New fns.
8533 (remove_children): Call them.
8534 (output_line_info): Disable removal of duplicate notes.
8536 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
8537 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
8538 means pretend the type isn't defined.
8539 Don't defer emitting types.
8540 (gen_type_die_for_member): New fn.
8541 (gen_decl_die): Call it.
8542 (splice_child_die): New fn.
8543 (gen_member_die): Call it rather than generate duplicate dies.
8545 Defer emitting information for the abstract instance of an inline
8546 until we either inline it or emit an out-of-line copy.
8547 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
8548 from output_inline_function if DECL_ABSTRACT is also set.
8549 (block_ultimate_origin): Likewise.
8550 (gen_abstract_function): New fn.
8551 (gen_decl_die, gen_inlined_subroutine_die): Call it.
8552 (gen_subprogram_die): An abstract instance is not a declaration
8553 just because it doesn't match current_function_decl. Don't abort
8554 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
8555 has an abstract origin.
8556 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
8557 abstract instance here.
8559 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
8561 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
8562 where we need to reload fpul from a system register.
8564 1999-11-24 Andreas Jaeger <aj@suse.de>
8566 * config/mips/linux.h (CPP_PREDEFINES): Added.
8567 (LINK_SPEC): Remove -Y since this is only needed on sparc.
8569 1999-11-24 Andreas Jaeger <aj@suse.de>
8571 * config/mips/linux.h (TARGET_VERSION): Added.
8572 (HANDLE_SYSV_PRAGMA): Added.
8573 (DEFAULT_VTABLE_THUNKS): Added.
8575 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8577 * local-alloc.c (qty): New structure and static variable.
8578 (qty_phys_reg): Remove, all references changed to qty.
8579 (qty_n_refs): Likewise.
8580 (qty_min_class): Likewise.
8581 (qty_birth): Likewise.
8582 (qty_death): Likewise.
8583 (qty_size): Likewise.
8584 (qty_mode): Likewise.
8585 (qty_n_calls_crossed): Likewise.
8586 (qty_alternate_class): Likewise.
8587 (qty_changes_size): Likewise.
8588 (qty_first_reg): Likewise.
8589 (alloc_qty): Rename variable QTY to QTYNO.
8590 (finf_free_reg): Likewise.
8591 (local_alloc): Allocate qty, do not allocate the removed variables.
8593 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
8595 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
8596 when -membedded-pic is passed.
8598 * config/mips/mips.md (casesi): Handle 64-bit case too.
8599 (casesi_internal_di): New insn.
8601 * config/mips/mips.c (embedded_pic_offset): Always make the
8602 embedded-pic subtractions relative to the name of the current
8603 function by use of the magic string "..CURRENT_FUNCTION".
8604 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
8606 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
8608 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
8609 of (const_int 0), when what we really care about is
8610 whether it's a zero constant anyway.
8611 (div_trap_mips16): Likewise.
8613 1999-11-23 Mark Mitchell <mark@codesourcery.com>
8615 * loop.c (loop_optimize): Always find_loop_tree_blocks and
8616 unroll_block_trees when generating debuggable code.
8618 * tree.h (unsave_expr_1): New function.
8619 (lang_unsave): New variable.
8620 (get_callee_fndecl): New function.
8621 * tree.c (unsave_expr_now_r): New function.
8622 (lang_unsave): Define.
8623 (unsave_expr_1): Likewise.
8624 (unsave_expr_now_r): Split out from unsave_expr_now.
8625 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
8626 call unsave_expr_now_r.
8627 (get_callee_fndecl): Define.
8629 * Makefile.in (gencheck): Don't depend on lang_tree_files.
8630 (gencheck.o): Do depend on lang_tree_files.
8632 * integrate.h (copy_decl_for_inlining): New declaration.
8633 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
8634 (copy_decl_for_inlining): New function.
8635 (integrate_parm_decls): Use it.
8636 (integrate_decl_tree): Likewise.
8638 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
8640 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
8641 the second two from the first.
8642 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
8643 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
8644 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8646 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
8647 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8650 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
8652 * pa.md (call_internal_symref, call_value_internal_symref): No mode
8653 needed on the address operand.
8654 * pa.c (call_operand_address): Check for the correct mode.
8656 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
8658 * loop.c: Include "basic-block.h".
8659 (try_copy_prop, replace_loop_reg): New functions.
8660 (load_mems): Detect registers that just hold copies of the hoisted
8661 mem, and call try_copy_prop to eliminate them.
8662 * Makefile.in (loop.o): Update dependencies.
8664 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
8666 * Makefile.in (gencheck.o): Depend on gencheck.h.
8667 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
8668 (insn-peep.o): Depend on except.h and function.h.
8669 (insn-attrtab.o): Depend on RECOG_H.
8670 (insn-output.o): Depend on toplev.h and flags.h.
8671 (gengenrtl.o): Depend on real.h.
8672 (gen-protos.o): Depend on cpplib.h and cpphash.h.
8673 Unify all dependencies to be on RECOG_H rather than recog.h.
8675 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8677 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
8678 * configure.in: Try building a bi-arch 32/64-bit compiler on
8679 sparc-*-solaris2.7 and higher.
8680 * configure: Rebuild.
8682 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
8684 * config/freebsd.h: New, FreeBSD architecture independent file.
8685 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
8687 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
8688 directly by i386/freebsd.h.
8689 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
8690 independent configuration file.
8691 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
8692 directly by i386/freebsd.h.
8693 * configure: Rebuilt.
8695 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
8696 which is in the user's namespace.
8697 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
8698 `i386' which is not in our namespace.
8700 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
8702 * invoke.texi (ARM Options): Add in -mno-alignment-traps
8704 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
8706 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
8707 (add_dwarf_attr, add_child_die): Just push onto the front.
8708 (reverse_die_lists): New fn.
8709 (add_sibling_attributes): Use it.
8710 (push_decl_scope): Reorganize.
8711 (add_name_and_src_coords_attributes): Don't set file and line for
8713 (gen_subprogram_die): An artificial function doesn't need to match
8715 (gen_compile_unit_die): Return the generated die. Only add
8716 AT_comp_dir if the filename is relative.
8717 (remove_AT): Simplify loop. Also free string values.
8718 (output_die): A DIE ref can't be null.
8719 (output_value_format, value_format): Take a dw_attr_ref.
8720 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
8721 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8722 AT_addr, AT_lbl): New fns.
8723 (various): Use them.
8724 (various): Constify.
8726 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8728 * combine.c (combine_simplify_rtx): When handling a SUBREG,
8729 take SUBREG_WORD into account.
8730 (if_then_else_cond): Likewise.
8732 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
8734 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
8735 clause from BSD license, pursuant with
8737 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
8739 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
8741 * loop.c (load_mems): Reformat slightly.
8742 * basic-block.h (regset_head): New typedef.
8743 (INIT_REG_SET): New macro.
8745 1999-11-22 Bruce Korb <autogen@linuxbox.com
8747 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
8748 (mips-dec-bsd*): non-functional code
8749 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
8751 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
8752 added three replacement fixes
8753 (no_double_slash): removed comments that are not (any longer) pertinent
8754 (bad_lval): this fix currently runs against many files.
8755 The comment seems to indicate that we should select for files
8756 containing 'pragma extern_prefix'.
8758 * fixinc/fixinc.x86-linux-gnu: deleted
8759 * fixinc/inclhack.sh: regen
8760 * fixinc/fixincl.x: regen
8761 * fixinc/fixincl.sh: regen
8763 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
8765 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
8766 its code is INSN and it has no notes.
8768 1999-11-22 Andrew Haley <aph@cygnus.com>
8770 * varasm.c (function_defined): Remove.
8771 (make_function_rtl): Don't set function_defined.
8772 (make_decl_rtl): Remove global register warning.
8773 * regclass.c (no_global_reg_vars): New variable.
8774 (globalize_reg): Warn if function has already been defined.
8775 (regclass_init): Set no_global_reg_vars.
8777 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8779 * regclass.c (reg_pref): New structure and static variable
8780 (prefclass): Delete.
8782 (all uses of prefclass and altclass): Use reg_pref instead.
8784 1999-11-21 Nick Clifton <nickc@cygnus.com>
8786 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
8788 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
8789 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
8790 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
8792 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
8794 * varasm.c (output_constructor): Solve problem with long long
8795 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
8797 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8799 * global.c (allocno): New structure and static variable.
8800 (allocno_reg): Remove, all references replaced by allocno.
8801 (allocno_size): Likewise.
8802 (hard_reg_conflicts): Likewise.
8803 (hard_reg_preferences): Likewise.
8804 (hard_reg_copy_preferences): Likewise.
8805 (hard_reg_full_preferences): Likewise.
8806 (regs_someone_prefers): Likewise.
8807 (allocno_calls_crossed): Likewise.
8808 (allocno_n_refs): Likewise.
8809 (allocno_live_length): Likewise.
8810 (find_reg): Rename ALLOCNO to NUM.
8812 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
8814 (may_move_out_cost): New variable.
8815 (init_reg_sets_1): Initialize may_move_out_cost.
8816 (record_reg_classes): Use may_move_out_cost.
8818 * regclass.c (dump_regclass): New function.
8819 (regclass): New parameter DUMP, call DUMP_REGCLASS.
8820 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
8821 pass rtl_dump_file to regclass.
8822 * rtl.h (regclass): Update prototype.
8824 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8826 * i386.md (neg, not and abs patterns): Revmap to use
8827 ix86_expand_unary_operator and ix86_unary_operator_ok.
8828 (add?f and sub?f expanders): Force operand 1 to register.
8829 * i386.c (ix86_expand_unary_operator): Rewrite.
8830 (ix86_unary_operator_ok): Ensure that memory operands
8832 (ix86_binary_operator_ok): Do not allow operand 1 to
8833 come into memory and operand 0 not.
8834 (ix86_expand_binary_operator): Ensure that
8835 src1 is not non-matching memory.
8837 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
8838 to support integer registers and memory.
8839 (abss?2_integer): Likewise.
8841 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
8842 (REG_CLASS_NAMES): Likewise.
8843 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
8845 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
8846 (movsf): Likewise; unify 4th and 5th alternative.
8848 (movdf_1): Likewise; rename to movdf_integer.
8849 (pushxf): Likewise; rename to pushxf_integer; fix output template;
8850 remove redundant splitter.
8851 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
8852 (movdf_nointeger): New.
8853 (movxf_nointeger): New.
8854 (pushxf_nointeger): New.
8856 * i386.md (extend?f?f): Split to expander and pattern, refuse two
8857 memory operands in patterns.
8858 (fop*): Refuse two memory operands.
8860 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
8861 on !TARGET_USE_CLTD CPUs.
8863 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
8865 * extend.texi: Document C++ restricted pointers and references.
8867 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
8869 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
8870 (invalidate_skipped_set): Call it unconditionally.
8871 (cse_set_around_loop): Likewise.
8873 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
8875 * rtl.texi (mem): Add documentation for alias-set argument
8878 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8880 * i386.h (struct_processor_costs): New fields int_load, int_store,
8881 fp_move, fp_load and fp_store
8882 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
8884 (MEMORY_MOVE_COST): New macro.
8885 * i386.c (386_cost): Define new fields.
8886 (i486_cost): Likewise.
8887 (pentium_cost): Likewise.
8888 (pentiumpro_cost): Likewise.
8889 (k6_cost): Likewise.
8891 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
8892 Geoffrey Keating <geoffk@cygnus.com>
8894 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
8896 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
8899 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
8900 (TARGET_STRICT_ALIGNMENT): New macro.
8901 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
8902 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
8903 * invoke.texi (M680x0 Options): Document -mstrict-align.
8905 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
8906 Richard Henderson <rth@cygnus.com>
8908 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
8909 (ix86_split_long_move): Declare.
8910 * i386.c (split_xf, ix86_split_movdi): Remove.
8911 (ix86_split_to_parts, ix86_split_long_move): New.
8912 * i386.md (dimode move splitters): Use ix86_split_long_move.
8913 (dfmode move splitters): Likewise.
8914 (xfmode move splitters): Likewise.
8915 (movsf_1): Allow F->r.
8916 (movdf_1, movxf_1): Allow F->ro.
8918 1999-11-17 Mark Mitchell <mark@codesourcery.com>
8920 * except.h (struct eh_entry): Add goto_entry_p.
8921 (eh_region_from_symbol): Remove prototype.
8922 * except.c (find_func_region_from_symbol): New function.
8923 (emit_cleanup_handler): Likewise.
8924 (eh_region_from_symbol): Make it static.
8925 (add_new_handler): Verify the argument.
8926 (find_func_region): Update comment.
8927 (expand_eh_region_end): Expand handlers here, rater than waiting
8928 until expand_leftover_cleanups or start_all_catch.
8929 (expand_leftover_cleanups): Don't expand here.
8930 (expand_start_all_catch): Or here.
8931 (expand_rethrow): Check the return value from find_func_region.
8932 * function.c (expand_function_end): Emit the catch_clauses.
8934 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
8936 * integrate.c (expand_inline_function): Add necessary check for NULL.
8938 1999-11-18 Nick Clifton <nickc@cygnus.com>
8940 * toplev.c (main): Correctly detect an unrecognised option.
8942 * cppinit.c (cpp_handle_option): Do not claim to have consumed
8943 a -f option if it has not been recognised.
8945 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
8947 * basic-block.h (update_life_extent): Remove trailing comma on
8948 enumeration type list.
8950 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8952 * varasm.c (output_constructor) Solved problem with long long
8953 bitfields. Corrected calculating this_time and shift. Also
8954 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
8956 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
8958 * flow.c (split_edge): Take looping structure into account when
8959 determining where to put the new block note.
8961 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
8963 * Makefile.in (ggc-none.o): Provide host specific version if
8966 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
8968 * cse.c (delete_trivially_dead_insns): Identify no-op insns
8969 containing subregs too.
8971 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
8973 * invoke.texi: Add documentation for -muninit-const-in-rodata.
8974 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
8975 (TARGET_UNINIT_CONST_IN_RODATA): Define.
8976 (text_section): Add switches -munint-const-in-rodata and
8977 -mno-uninit-const-in-rodata.
8978 (ASM_OUTPUT_COMMON): Remove.
8979 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
8980 const objects should be placed in read-only data. Otherwise declare
8983 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
8985 * jump.c (jump_optimize_1): Revert last change.
8987 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
8989 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
8990 test if optimizing for size.
8992 1999-11-17 Mark Mitchell <mark@codesourcery.com>
8994 * Makefile.in (toplev.o): Depend on except.h.
8995 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
8997 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8999 * i386.md (divmodsi4): Rewrite to expander.
9000 (*divmodsi4_nocltd): New.
9001 (*divmodsi4_cltd): New.
9002 (divmodsi4 splitter): Handle the case when input comes in edx.
9003 (udivmodhi4): Do not use constraints in exander.
9004 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
9006 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
9008 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
9009 for the common case.
9011 1999-11-16 Jakub Jelinek <jakub@redhat.com>
9013 * explow.c (hard_function_value): Add outgoing argument.
9014 * expr.h (hard_function_value): Declare it.
9015 * calls.c (expand_call, emit_library_call_value): Update callers.
9016 * function.c (aggregate_value_p): Ditto.
9017 (diddle_return_value): Must look at the outgoing registers
9018 on archs with register windows.
9020 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
9022 * alpha.c (alpha_build_va_list): Use make_lang_type and
9023 initialize TYPE_NAME for the va_list record.
9025 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
9027 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
9029 * ggc.h (struct ggc_statistics): Rearrange elements for better
9030 packing on 64-bit hosts.
9031 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
9032 (compute_nearerout): Likewise.
9034 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
9036 * config/rs6000/rs6000.c (first_reg_to_save): Save
9037 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
9039 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
9041 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
9042 notion of nesting to find the DIE for a type or function.
9043 DIEs can go in limbo even if we got a context_die.
9044 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
9045 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
9047 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
9048 (gen_type_die): Writing out the context doesn't cause member class
9049 template instantiations to be written out as well.
9051 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
9053 * rs6000.h (ASM_OUTPUT_DEF): New.
9054 Based on proposed addition from David Edelsohn.
9056 1999-11-15 Robert Lipe <RobertLipe@usa.net>
9057 Bruce Korb <autogen@linuxbox.com>
9059 * fixinc/inclhack.def
9060 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
9061 (unixware7_byteorder_fix): added. Removes conflicts for new defs
9063 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
9064 (svr4_endian): enabled with SVR5
9065 (svr4_mkdev): simplified syntax and enabled with SVR5
9067 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
9069 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
9070 * configure: Rebuilt.
9071 * config/t-freebsd-thread: New file.
9073 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
9075 * i386.c (ix86_decompose_address): Verify the base is a REG
9076 before trying to examine its register number.
9078 * basic-block.h: Remove all #defines and prototypes related to
9080 (free_bb_mem, compute_preds_succs): Remove prototype.
9081 * rtl.h (free_bb_mem): Remove prototype.
9082 * flow.c (alloc_int_list_node); Remove function.
9083 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
9084 (compute_preds_succs, free_bb_mem): Likewise.
9085 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
9086 * toplev.c (rest_of_compilation): Likewise.
9087 * haifa-sched.c (build_control_flow): Use flow generated edge
9088 list to build the haifa specific edge list.
9089 (find_rgns): Use new CFG data structures instead of pred/succ lists.
9090 (schedule_insns): Do not build pred/succ lists anymore. Instead
9091 build the edge table.
9093 * basic-block.h (dump_bb_data): Remove declaration.
9094 * flow.c (dump_bb_data): Remove function.
9095 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
9096 (sbitmap_union_of_predsucc): Likewise.
9098 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
9099 argument. All callers changed.
9100 (delete_null_pointer_checks_1): No longer need to compute the
9103 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
9104 All callers changed.
9105 (pre_expr_reaches_here_p_work): Likewise.
9106 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
9107 * lcm.c (compute_laterin): Fix initialization of LATER.
9108 (compute_nearerout): Similarly for NEARER.
9110 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9112 * cse.c (set_nonvarying_address_components): Delete unused function.
9113 (refers_to_p): Likewise.
9115 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
9117 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
9120 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9122 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
9123 definition in do while (0).
9125 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
9127 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
9129 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
9131 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
9133 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
9135 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
9136 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
9137 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
9138 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
9140 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
9141 saved on the stack. Output more accurate stack frame statistics
9142 into assembler file.
9144 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
9146 * genextract.c (record_insn_name): New function.
9147 (get_insn_name): No longer a stub.
9148 (main): Call record_insn_name for each insn. After each label
9149 written, print the insn name in a comment.
9151 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9153 * output.h (const_section, init_section, fini_section): Add
9156 * alpha/elf.h (const_section): Delete declaration.
9158 * svr4.h (const_section): Likewise.
9160 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
9162 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
9163 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
9164 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
9166 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
9167 variable-sized array bounds.
9169 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
9171 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
9174 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9176 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
9177 addresses the same way GO_IF_LEGITIMATE_INDEX does.
9179 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9181 * cse.c (hash_arg_in_struct): Delete.
9182 (struct table_elt): Delete elt in_struct.
9183 (struct set): Delete elt src_in_struct.
9184 (merge_equiv_classes): Don't set either hash_arg_in_struct or
9185 the corresponding in_struct elts.
9186 (canon_hash): Likewise.
9187 (safe_hash): Likewise.
9188 (find_best_addr): Likewise.
9189 (record_jump_cond): Likewise.
9190 (cse_insn): Likewise.
9192 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
9194 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
9196 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
9199 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
9201 * function.c (diddle_return_value): Put back check that the DECL_RTL
9202 for the function is a register.
9204 * function.c (diddle_return_value): Use hard_function_value to
9205 get an rtx suitable for use in the USE/CLOBBER insn.
9207 * global.c (global_conflicts): Update comments.
9208 (record_conflicts): No need to record conflicts between pseudos here.
9210 1999-11-11 Bruce Korb <autogen@linuxbox.com>
9212 * fixinc/fixincl.c: Added verbose levels for status messages
9214 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9216 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
9217 operand as argument to expand_and or expand_binop.
9219 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
9221 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
9222 gcc_add_string_root.
9224 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
9226 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
9228 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
9230 * flow.c (compute_flow_dominators): Initially put all blocks on
9232 * lcm.c (compute_antinout_edge, compute_available): Similarly.
9233 * gcse.c (compute_cprop_avinout): Remove.
9234 (compute_cprop_data): Use compute_available.
9235 (delete_null_pointer_checks_1): Use compute_available.
9237 * basic-block.h (compute_available): Returns a void now.
9238 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
9239 to return a value anymore.
9240 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
9241 worklists. Fix boundary cases. Compute maximal solutions.
9242 (compute_laterin, compute_nearerout): Similarly.
9244 * dwarf2out.c (add_AT_location_description): Allow
9245 (mem (plus (pseudo) (...)) too.
9247 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
9249 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
9251 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
9252 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9254 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
9256 * gansidecl.h: Likewise.
9262 * toplev.h: Likewise.
9268 * varray.c: Likewise.
9270 * varray.h: Likewise.
9272 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
9274 * gcov.c (struct arcdata): Add hits and total, remove prob.
9275 (output_branch_counts): New.
9276 (process_args): Set output_branch_counts if -c.
9277 (calculate_branch_probs): Store hits and total instead of
9279 (output_data): Emit counts if output_branch_counts is true.
9280 * gcov.texi (Invoking Gcov): Document -c switch..
9282 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
9284 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
9285 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
9287 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
9289 * invoke.texi (C Dialect Options): Add missing builtins from
9291 * extend.texi (Other Builtins): Copy to this list.
9293 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9295 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
9296 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
9299 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
9301 * flow.c (compute_flow_dominators): No longer treat basic block 0
9302 or (n_basic_blocks - 1) specially. Clear the AUX field before
9303 starting computation of doms/pdoms. Fix initial state for pdoms.
9305 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9307 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
9308 match rtl.o's: added ggc.h and toplev.h
9309 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
9310 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
9311 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
9313 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
9315 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
9316 from HAVE_DOS_BASED_FILESYSTEM.
9317 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
9318 HAVE_DOS_BASED_FILESYSTEM.
9320 (split_directories): Only special-case DOS file names if
9321 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
9322 instead of explicit tests. Conditionalize on !VMS.
9323 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
9324 tests. Conditionalize on !VMS.
9325 (process_command): Only use make_relative_prefix if !VMS.
9326 (free_split_directories): Conditionalize on !VMS.
9327 (DIR_UP): Conditionalize on !VMS.
9329 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
9331 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
9333 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
9335 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
9338 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
9340 * invoke.texi (Environment Variables): Document relative path
9342 * gcc.c (DIR_UP): If not defined, define as "..".
9343 (standard_bindir_prefix): New static, holds target location to
9345 (split_directories): New function to split a filename into
9346 component directories.
9347 (free_split_directories): New function, release memory allocated
9348 by split_directories.
9349 (make_relative_prefix): New function, make a relative pathname if
9350 the compiler is not in the expected location.
9351 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
9352 can figure out an appropriate prefix from argv[0].
9353 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
9354 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
9355 STANDARD_BINDIR_PREFIX.
9357 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9359 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
9361 * config/c4x/c4x.h: Moved prototypes to c4x.h.
9362 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
9363 c4x_secondary_memory_needed) Delete.
9364 (fp_zero_operand): Add mode argument.
9366 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
9368 * reload1.c (reload_reg_free_for_value_p): Don't use a register
9369 that is in reload_reg_used.
9371 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
9373 * config/arm/arm-protos.h: New file: Prototypes for functions
9374 defined in arm.c and pe.c.
9375 * config/arm/arm.h: Fix compile time warnings.
9376 * config/arm/arm.c: Fix compile time warnings.
9377 * config/arm/pe.h: Fix compile time warnings.
9378 * config/arm/aout.h: Fix compile time warnings.
9380 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
9382 * config/m32r/m32r-protos.h: New file: Prototypes for functions
9385 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
9386 Add support for subtargets.
9387 Add prototypes for new predicates.
9388 Add scheduling macros.
9390 * config/m32r/m32r.c: Fix compile time warnings.
9391 (int8_operand): New predicate function.
9392 (reg_or_cmp_int16_operand): New predicate function.
9393 (extend_operand): New predicate function.
9394 (m32r_adjust_code): New scheduling function.
9395 (m32r_adjust_priorty): New scheduling function.
9396 (m32r_sched_init): New scheduling function.
9397 (m32r_sched_reorder): New scheduling function.
9398 (m32r_sched_variable_issue): New scheduling function.
9399 (direct_return): New codegen function.
9400 (m32r_not_same_reg): New rtl testsing function.
9402 * config/m32r/m32r.md: Fix compile time warnings.
9403 Add support for pre decrement and post increment memory
9408 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9410 * global.c (EXECUTE_IF_CONFLICT): Don't define.
9411 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
9412 (find_reg): Likewise.
9414 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
9416 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
9417 to avoid assembler errors.
9419 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
9421 * config/v850/v850-protos.h: New file: Prototypes for functions
9423 * config/v850/v850.h: Move prototypes to v850-protos.h
9424 * config/v850/v850.c: Move prototypes to v850-protos.h
9425 * config/v850/v850.md: Fix compile time warnings.
9427 * config/fr30/fr30-protos.h: New file: Prototypes for functions
9429 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
9430 * config/fr30/fr30.c: Fix compile time warnings.
9431 * config/fr30/fr30.md: Fix compile time warnings.
9433 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
9435 * tree.h (get_containing_scope): Declare it.
9436 * tree.c (get_containing_scope): New fucntion.
9437 (decl_function_context): Use it.
9438 * toplev.c (rest_of_compilation): Use get_containing_scope.
9440 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9442 * Makefile.in (rtl.o): Depend on toplev.h.
9444 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
9446 * cse.c (delete_trivially_dead_insns): Replace alloca with
9448 * except.c (update_rethrow_references): Likewise.
9449 (init_eh_nesting_info): Likewise.
9450 * function.c (identify_blocks): Likewise.
9451 * gcse.c (dump_hash_table): Likewise.
9452 * graph.c (print_rtl_graph_with_bb): Likewise.
9453 * loop.c (combine_movables): Likewise.
9454 (move_movables): Likewise.
9455 (count_loop_regs_set): Likewise.
9456 (strength_reduce): Likewise.
9457 * profile.c (compute_branch_probabilities): New function, split
9459 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
9460 * regclass.c (regclass): Likewise.
9461 * regmove.c (regmove_optimize): Likewise.
9462 * toplev.c (compile_file): Likewise.
9463 (main): Don't mess with the stack rlimit.
9465 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
9467 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
9468 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
9470 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
9472 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
9474 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
9476 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
9477 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
9480 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
9482 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
9484 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
9486 * gcse.c (post_dominators): Kill.
9487 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
9488 (compute_code_hoist_data): Use compute_flow_dominators. Do not
9489 pass in a pdom array since we do not need pdoms.
9490 * haifa-sched.c (schedule_insns): Similarly.
9491 * flow.c (compute_dominators): Remove dead function.
9492 (compute_flow_dominators): Do not compute doms or pdoms if the
9493 caller does not request them. Split up loop to build doms and
9494 pdoms. Use a worklist to compute doms and pdoms.
9495 * basic-block.h (compute_dominators): Remove prototype.
9497 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
9499 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
9500 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
9501 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
9502 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
9503 (cant_move, fed_by_spec_load, is_load_insn): Remove.
9504 (schedule_region): Remove unused variable.
9505 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
9507 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
9509 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
9510 (update_equiv_regs): Likewise.
9511 (block_alloc): Likewise.
9512 * reg-stack.c (reg_to_stack): Likewise.
9513 (convert_regs_2): Likewise.
9514 * reload1.c (reload_as_needed): Likewise.
9516 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
9518 * Makefile.in (dbxout.o): Depend on ggc.h.
9519 (dwarf2out.o): Likewise.
9520 (xcoffout.o): Likewise.
9521 * dbxout.c: Include ggc.h.
9522 (dbxout_init): Register lastfile as a root.
9523 * dwarf2out.c: Include ggc.h.
9524 (dwarf2out_line): Register lastfile as a root.
9525 * xcoffout.c: Include ggc.h.
9526 (xcoffout_source_line): Register xcoff_lastfile as a root.
9528 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
9530 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
9532 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
9534 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
9536 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
9538 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9540 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
9541 (EXECUTE_IF_CONFLICT): Likewise.
9542 (ALLOCNO_LIVE_P): Avoid signed division.
9543 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
9544 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
9545 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
9547 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
9549 * haifa-sched.c (schedule_block): Don't crash if there's no
9550 next insn for an interblock movement.
9551 (add_branch_dependences): Don't allow clobber insns to move either.
9553 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
9555 * i386.c (split_xf): New.
9556 * i386-protos.h: Declare it.
9557 * i386.md (movxf_1): Add general regs alternatives.
9558 (movxf_1+1): New splitter for same.
9560 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
9562 * function.c (purge_addressof_1): Add missing return values.
9564 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
9566 * function.c (is_addressof): New function. Returns true if
9567 the given piece of RTL is an ADDRESSOF.
9568 (purge_addressof_1): Make boolean. Return false if the
9569 ADDRESSOFs could not be purged.
9570 (purge_addressof): If ADDRESSOFs could not be purged from the
9571 notes attached to an insn, remove the offending note(s),
9572 unless they are attached to a libcall.
9574 1999-11-05 Andreas Jaeger <aj@suse.de>
9576 * genoutput.c (null_operand =): Initialize all fields.
9578 * errors.h: Add extern to prototypes.
9580 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
9582 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
9583 * configure: Rebuilt.
9585 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9587 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
9588 (mirror_conflicts): New function.
9589 (global_alloc): Call it.
9590 (expand_preferences): Remove redundant CONFLICTP test.
9591 (find_reg, dump_conflicts): Likewise.
9592 (prune_preferences): Process conflicts one word at a time.
9594 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
9596 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
9597 instead of an explicit loop.
9599 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
9601 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
9602 if REG_RETVAL check succeeds, then put classp in src_elt.
9604 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
9606 * function.c (pad_to_arg_alignment): Only update argument_pad
9607 if the argument's alignment is greater than STACK_BOUNDARY.
9609 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
9611 * bitmap.h (BITMAP_XFREE): New.
9612 * flow.c (life_analysis): Use it.
9613 (life_analysis_1): Free blocks.
9615 * combine.c (undo_commit): New.
9616 (try_combine): Use it. Don't zap undobuf.undos.
9617 (combine_instructions): Don't zap undobuf.undos; free the
9620 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
9622 * stmt.c (cost_table_): New.
9623 (estimate_case_costs): Use it instead of xmalloc.
9625 * toplev.c (compile_file): Reuse dumpname memory instead
9628 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
9630 * reg-stack.c (convert_regs_1): Initialize target_stack->top
9631 after verifying an EH edge.
9633 * haifa-sched.c (init_rgn_data_dependences): Correctly
9634 size bb_pending_lists_length when zeroing.
9636 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
9638 * function.c (diddle_return_value): New.
9639 (expand_function_end): Use it.
9640 * stmt.c (expand_null_return): Likewise.
9641 (expand_value_return): Likewise.
9643 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
9645 * reload1.c (reload): Don't remove return value clobbers.
9647 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
9649 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
9651 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
9653 * cse.c (cse_main): Use xmalloc, not alloca.
9654 (cse_basic_block): Likewise.
9655 * local-alloc.c (local_alloc): Likewise.
9657 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
9658 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9660 * rtl.c: Include toplev.h.
9661 (fatal): Remove declaration.
9663 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
9665 * haifa-sched.c (schedule_block): Fix thinko.
9667 1999-11-03 James McKelvey <mckelvey@fafnir.com>
9669 * fixinc/fixincl.c(create_file): Allow for systems that do not have
9670 S_IR* defined values
9672 1999-11-03 Philippe De Muyter <phdm@macqel.be>
9674 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
9675 call `malloc' instead.
9677 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
9679 * flags.h (flag_renumber_insns): Declare.
9680 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
9682 * rtl.h (renumber_insns): Change prototype.
9683 * toplev.c (flag_renumber_insns): Define.
9684 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
9686 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
9688 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
9689 and fpsqrtd. Use them and create fdiv function unit to more
9690 accurately represent fpu sqrt pipeline semantics on UltraSparc.
9691 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
9693 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
9695 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
9697 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
9698 insn into ready list, do not use just a raw swap.
9700 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
9702 * rtl.h (renumber_insns): New function.
9703 (remove_unnecessary_notes): Likewise.
9704 * emit-rtl.c (renumber_insns): Define.
9705 (remove_unncessary_notes): Likewise.
9706 * toplev.c (rest_of_compilation): Remove dead code.
9707 Use renumber_insns and remove_unncessary_notes.
9709 * gcse.c (struct null_pointer_info): New type.
9710 (get_bitmap_width): New function.
9711 (current_block): Remove.
9712 (nonnull_local): Likewise.
9713 (nonnull_killed): Likewise.
9714 (invalidate_nonnull_info): Take a null_pointer_info as input.
9715 (delete_null_pointer_checks_1): New function.
9716 (delete_null_pointer_checks): Use it.
9718 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
9719 (split_edges): Likewise.
9720 (schedule_block): Likewise.
9721 (compute_block_backward_dependencies): Likewise.
9722 (schedule_region): Likewise.
9723 (schedule_insns): Likewise.
9725 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
9727 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
9728 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
9729 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
9730 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
9731 * jump.c (delete_unreferenced_labels): Don't delete if
9732 LABEL_ALTERNATE_NAME is set.
9733 * print-rtl.c (print_rtx): Dump alternate name.
9734 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
9735 * rtl.h (LABEL_ALTERNATE_NAME): Define.
9736 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
9737 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
9739 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9741 * fix-header.c (recognized_extern, recognized_function): Constify
9744 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
9745 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
9746 (compute_available): Remove unused variable `last'.
9747 (compute_nearerout): Remove unused variable `temp_bitmap'.
9748 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
9749 Remove unused variable `x'.
9751 * scan.h (recognized_function, recognized_extern): Constify a
9754 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
9756 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9758 * varasm.c (decode_rtx_const): Use XSTR to access the string
9761 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
9763 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
9765 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9767 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
9769 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
9771 * pa.c (ireg_operand): New function.
9772 * pa.h (PREDICATE_CODES): Handle ireg_operand.
9773 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
9774 Fix out of date comment.
9776 * pa.md (negdi2): Turn into expander + anonymous pattern.
9778 * reload.c (find_reloads): Fix typos in recent change.
9780 * dwarf2out.c: Do not include ctype.h.
9782 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9784 * regclass.c (record_reg_classes): Always use may_move_cost when
9785 seeing how operand fits with various register classes.
9787 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
9789 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
9790 * toplev.c: Revert Nov 1 13:22 change.
9792 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
9794 * config/pa/pa.md (height reduction patterns): Add checks for
9795 overlapping operands to avoid semantic-destroying splits for
9796 height reduction patterns.
9798 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9800 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
9801 have been an hyphen, fixed.
9802 * configure: Rebuilt.
9804 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
9806 * config/arm/tpe.h: Add prototypes for exported functions.
9807 * config/arm/pe.c: Fix compile time warnings.
9808 * config/arm/semi.h: Fix compile time warnings.
9809 * config/arm/arm.c: Fix compile time warnings.
9810 * config/arm/arm.h: Fix compile time warnings.
9811 * config/arm/arm.md: Fix compile time warnings.
9812 * config/arm/thumb.c: Fix compile time warnings.
9813 * config/arm/thumb.h: Fix compile time warnings.
9814 * config/arm/thumb.md: Fix compile time warnings.
9816 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
9818 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
9821 * unroll.c (unroll_loop): Remove LOOP notes when loop is
9822 completely unrolled.
9824 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9826 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
9828 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
9830 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
9831 * rtl.h (rtx_equal_p): Move prototype.
9832 * rtl.c (rtx_equal_function_value_matters): Move from
9834 (rtx_equal_p): Likewise.
9835 * rtlanal.c (rtx_equal_function_value_matters): Delete.
9836 (rtx_equal_p): Likewise.
9838 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
9840 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
9843 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
9845 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
9847 * pa.h (ADDR_VEC_ALIGN): Define.
9849 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
9850 notes when presented with "if (foo) break; end_of_loop" and
9851 the break sequence gets moved out of the loop.
9853 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
9854 Remove explicit zero initializations of entries within MAP.
9856 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
9858 * reg-stack.c (convert_regs_1): Handle EH edges specially.
9860 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
9862 * bitmap.h (BITMAP_XMALLOC): New macro.
9863 * flow.c (CLEAN_ALLOCA): Remove.
9864 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
9865 (life_analysis): Likewise.
9866 (update_life_info): Don't use CLEAN_ALLOCA.
9867 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
9868 (calculate_global_regs_live): Likewise.
9869 (print_rtl_with_bb): Likewise.
9870 (verify_flow_info): Likewise.
9871 * global.c (global_alloc): Likewise.
9872 (global_conflicts): Likewise.
9873 * integrate.c (save_for_inline_nocopy): Likewise.
9874 (expand_inline_function): Likewise.
9875 * jump.c (jump_optimize_1): Likewise.
9876 (duplicate_loop_exit_test): Likewise.
9877 (thread_jumps): Likewise.
9878 * loop.c (loop_optimize): Likewise.
9879 (combine_givs): Likewise.
9880 (recombine_givs): Likewise.
9881 * reorg.c (dbr_schedule): Likewise.
9882 * unroll.c (unroll_loop): Likewise.
9884 * combine.c (combine_instructions): Use xmalloc instead of alloca.
9886 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
9888 * toplev.c (rest_of_compilation): Don't optimize the CFG
9889 when rebuilding, just before dbr.
9891 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9893 * output.h (assemble_end_function, assemble_destructor,
9894 assemble_constructor, assemble_gc_entry, assemble_global,
9895 assemble_label, output_constant_pool) Constify a char*.
9897 * varasm.c (assemble_destructor, assemble_constructor,
9898 assemble_gc_entry, assemble_end_function, assemble_global,
9899 assemble_label, output_constant_pool): Likewise.
9901 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
9903 * config/arm/thumb.c (thumb_expand_prologue): Add comments
9904 explaining what is goin on in this function.
9906 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9908 * regclass.c (record_reg_classes): In matching case, recompute
9909 costs since the direction of movement is different.
9911 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
9913 * resource.c (mark_target_live_regs): For unconditional branches,
9914 the resources found at the branch target should be added to the
9915 resources found so far, not intersected.
9917 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
9919 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
9921 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
9922 (sys/mman.h): Include this file only if #HAVE_MMAP.
9923 (run_compiles): Initialize `esac_fmt' with one old KR string, not
9924 with automatically concatenated ANSI strings.
9926 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
9928 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
9929 (DIV_ROUND_UP): Robustify.
9930 (ggc_recalculate_in_use_p): New function.
9931 (release_pages): Don't inline it.
9932 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
9934 (ggc_pop_context): Use ggc_recalculate_in_use_p.
9935 (clear_marks): Always save in_use_p.
9936 (sweep_pages): Use ggc_recalculate_in_use_p.
9937 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
9938 Release pages before counting statistics.
9940 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
9942 * toplev.c (rest_of_compilation): Fix thinko in this change:
9944 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
9946 (rest_of_compilation): If inside an inlined external function,
9947 pretend we are just being declared.
9949 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
9951 * flow.c (calculate_global_regs_live): Fix thinko.
9953 * integrate.c (expand_inline_function): Fix bugs in previous
9954 change from Oct 28, 1999.
9956 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
9958 * stmt.c (expand_value_return): Fix typo in this change:
9960 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9961 (expand_value_return): Correctly convert VAL when promoting function
9962 return; support RETURN_REG being a PARALLEL.
9964 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
9966 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
9968 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9970 * hard-reg-set.h (reg_names): Constify a char*.
9972 * regclass.c (reg_names): Likewise.
9974 * regs.h (reg_names): Likewise
9976 * a29k/a29k.c (reg_names): Delete declaration.
9978 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
9980 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
9981 arc_output_function_epilogue): Likewise.
9983 * elxsi/elxsi.c (reg_names): Likewise.
9985 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
9987 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
9990 * m88k/m88k.c (output_function_profiler): Likewise.
9992 * sparc/sparc.c (sparc_flat_output_function_prologue,
9993 sparc_flat_output_function_epilogue): Likewise.
9995 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
9997 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
9998 warning from -Wuninitialized and put it under -W.
9999 * function.c (uninitialized_vars_warning): Warn only when the
10000 corresponding flag is set.
10002 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
10004 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
10005 is nonzero and the single set does not have an elt, then assign
10008 * simplify-rtx.c: New file.
10009 * Makefile.in (OBJS): Add simplify-rtx.o
10010 (simplify-rtx.o): Add dependencies.
10011 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
10012 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
10013 (cse_gen_binary, simplify_unary_operation): Delete.
10014 (simplify_binary_operation, simplify_plus_minus): Likewise.
10015 (check_fold_consts, simplify_relation_operation): Likewise.
10016 (simplify_ternary_operation): Likewise.
10017 (delete_trivially_dead_insns): Simplify the contents of the
10018 REG_EQUAL note before trying to substitute it into the source
10019 of the reg-reg copy at the end of a libcall sequence.
10021 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
10022 references/callers changed.
10024 * mn10200.c (mn10200_va_arg): Force the return value into a
10027 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
10029 * cccp.c (macroexpand): Avoid out of range accesses for omitted
10032 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
10034 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
10036 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
10038 * fold-const.c (fold): Fix thinko when optimizing comparisons
10041 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
10043 * gcc.texi (Passes): Update front-end files to their current
10046 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
10048 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
10049 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
10050 (PREDICATE_CODES): Add addition_operation.
10051 * alpha-protos.h (addition_operation): Declare.
10052 (secondary_reload_class): Likewise.
10053 * alpha.c (addition_operation): New.
10054 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
10055 * alpha.md (adddi3): Turn into expander.
10056 (*lda, *adddi_2): New.
10057 (movsf, movdf patterns): Don't preference integer regs.
10058 (movsi, movdi patterns): Don't preference fp regs.
10060 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
10062 * genrecog.c (write_switch): Check for duplicate CODE cases.
10064 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
10066 * ggc-common.c: Update pre-function commentary.
10067 * ggc-page.c: Likewise.
10069 (poison_pages): Use memset directly.
10070 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
10071 (ggc_collect): Poison before sweeping.
10072 * ggc-simple.c: Update pre-function commentary.
10073 (ggc_alloc_obj): Poison non-zeroed memory.
10075 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
10077 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
10078 match format string, even on 64-bit hosts.
10079 * gcc-page.c (ggc_page_print_statistics): Likewise.
10081 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
10083 * config/i386/i386.c (ix86_cpu): Revert last patch.
10084 * config/i386/i386.h (ix86_cpu): Ditto.
10086 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
10088 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
10089 TYPE_SIZE, convert type of result to sizetype.
10091 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
10093 * flow.c (count_or_remove_death_notes): Equate NULL with the
10096 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
10097 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
10100 * i386.c (pic_label_no): Delete.
10101 (ix86_attr_length_default): Don't use single_set to peek
10104 * recog.c (peephole2_optimize): Allow recog_next_insn to index
10105 the first insn after bb->end.
10106 * i386.md (push mem peeps): Scratch is live after evaluation
10108 (cmp mem peep): Similarly.
10110 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
10112 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
10113 * function.c (pad_to_arg_alignment): Add missing braces.
10115 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10117 * alpha/alpha-protos.h (literal_section): Add prototype.
10118 (alpha_need_linkage, alpha_start_function,alpha_end_function):
10121 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
10123 (alpha_start_function, alpha_end_function, float_strings,
10124 alpha_need_linkage): Constify a char*
10126 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
10128 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
10130 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10132 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10134 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10136 * flow.c (debug_flow_info): Add prototype.
10138 * gcc.c (main): Likewise.
10140 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
10143 * reload1.c (failed_reload, set_reload_reg): Likewise.
10145 * mips-tfile.c (main): Likewise.
10146 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
10147 with ATTRIBUTE_NORETURN.
10149 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
10151 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
10152 DECL is not a memory ref.
10154 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
10156 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
10157 * config/i386/i386.c (ix86_cpu): Add extern attribute.
10159 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
10161 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
10162 * config/mips/elf64.h: ditto.
10164 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
10166 * expr.c (emit_push_insn): New argument alignment_pad.
10167 Update all callers. Adjust stack pointer based on alignment pad.
10168 * function.c (pad_to_arg_alignment): New argument alignment_pad.
10169 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
10170 (locate_and_pad_parm): New argument alignment_pad. Update all
10172 * expr.h (emit_push_insn): Update prototype.
10173 (locate_and_pad_parm): Update prototype.
10174 * calls.c (arg_data): Add new field alignment_pad.
10175 (initialize_argument_information): Initialize alignment_pad.
10177 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
10179 * except.c (free_eh_nesting_info): Free the info itself.
10180 * function.c (free_after_compilation): Don't free NULL.
10181 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
10182 (pre_edge_insert): Free inserted.
10183 * stmt.c (free_stmt_status): Don't free NULL.
10185 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
10187 * gcov.c (DIR_SEPARATOR): Provide default.
10188 (output_data): Add test for MS-DOS format absolute filename.
10189 (fancy_abort): Correct program name.
10190 (open_files): Open all files in binary mode.
10191 * libgcc2.c (__bb_exit_func): Likewise.
10193 * profile.c (init_branch_prob): Specify binary when opening files.
10195 * flags.h (flag_unwind_tables): New decl.
10196 * toplev.c (flag_unwind_table): New definition.
10197 (f_options): Add -funwind-tables.
10198 (decode_g_option): Clarify warning when unknown -g option is given.
10199 (rest_of_compilation): If inside an inlined external function,
10200 pretend we are just being declared.
10202 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
10203 (dwarf2out_frame_finish): Likewise.
10205 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
10207 * fold-const.c (merge_ranges): If not in0, but in1, handle
10208 upper bounds equal like subset case.
10210 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
10212 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
10213 passed in a register but moved to the stack.
10215 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
10217 * gcc.c (pass_exit_codes, greatest_status): New variables.
10218 (struct option_map): Add entry for "--pass-exit-codes".
10219 (execute): Update greatest_status if error.
10220 (display_help): Add documentation for -pass-exit-codes.
10221 (process_command): Handle -pass-exit-codes.
10222 (main): Look at pass_exit_codes and greatest_status on call to exit.
10224 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10226 * reload.c (find_reloads): Refine test for no input reload
10227 case to not includes reloads emitted after insn.
10229 * function.c (find_temp_slots_from_address): Handle sum involving
10230 a register that points to a temp slot.
10231 (update_temp_slot_address): Make recursive call if both old and
10232 new are PLUS with a common operand.
10233 * calls.c (expand_call): Mark temp slot for result as having
10236 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
10238 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
10239 component as well as "BINUTILS".
10241 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
10242 * integrate.c (copy_rtx_and_substitute): Likewise.
10243 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
10244 All callers changed.
10245 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
10247 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
10248 gdb extensions, write size of type; also be more consistent
10249 in using references when this is a subtype.
10251 * pa.md (extv, extzv, insv): Use define_expand to reject constant
10252 that is out of range.
10254 * loop.c (unknown_constant_address_altered): New variable.
10255 (prescan_loop): Initialize it.
10256 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
10257 (invariant_p, case MEM): Remove handling for volatile and readonly;
10258 check new variable if readonly.
10259 (check_dbra_loop): Chdeck unknown_constant_address_altered.
10261 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
10262 (addr_affects_sp_p): Removed from note_mem_written and only
10263 define #ifdef AUTO_INC_DEC.
10265 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
10267 * regclass.c (record_reg_classes): Properly handle register move
10270 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
10271 Don't think valid if both operands are invalid.
10272 (struct constant_descriptor): New field RTL.
10273 (mark_const_hash_entry): Mark it.
10274 (record_constant{,_rtx}): Initialize it.
10275 (output_constant_def): Allocate RTL in permanent obstack and
10277 ({record,compare}_constant_1): Modes must match for
10278 CONSTRUCTOR of ARRAY_TYPE.
10280 * c-common.h (initializer_constant_valid_p): Delete decl from here.
10281 * output.h (initializer_constant_valid_p): Move decl to here.
10282 * c-common.c (initializer_constant_valid_p): Delete function from here.
10283 * varasm.c (initializer_constant_valid_p): Move function to here.
10285 * tree.h (STRIP_SIGN_NOPS): New macro.
10286 * fold-const.c (optimize_minmax_comparison): New function.
10287 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
10288 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
10289 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
10290 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
10291 widening conversions.
10292 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
10293 to look at size of mode, not precision of type; also add missing cases.
10294 (optimize_bit_field_compare, decode_field_reference): Don't try to
10295 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
10297 * dwarf2out.c (ctype.h): Include.
10298 (dwarf2out_set_demangle_name_func): New function.
10299 (size_of_line_info): Deleted.
10300 (output_line_info): Compute size of line info table from difference
10302 (base_type_die, add_name_attribute): Call demangle function, if any.
10303 (field_byte_offset): Use bits per word for variable length fields.
10304 (gen_array_type_die): Add array name.
10305 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
10306 (dwarf2out_add_library_unit_info): New function.
10308 * explow.c (set_stack_check_libfunc): New function.
10309 (stack_check_libfunc): New static variable.
10310 (probe_stack_range): Allow front-end to set up a libfunc to call.
10312 * combine.c (simplify_comparison): When making comparison in wider
10313 mode, check for having commuted an AND and a SUBREG.
10314 (contains_muldiv): New function.
10315 (try_combine): Call it when dividing a PARALLEL.
10316 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
10317 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
10319 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
10320 use one of the CLOBBERs instead.
10321 (if_then_else_cond): If comparing against zero, just return thing
10324 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
10325 Don't generate shifts and subtract if have conditional arithmetic.
10327 * rtl.h (delete_barrier): New declaration.
10328 * jump.c (jump_optimize): Set up to handle conditional call.
10329 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
10330 (delete_barrier): New function.
10332 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
10334 * recog.c (nonmemory_operand): Accept ADDRESSOF.
10336 * tree.c (build_type_attribute_variant): Push to obstack of
10337 ttype around type_hash_canon call.
10339 * expr.c (placeholder_list): Move decl to file scope.
10340 (expand_expr): Don't force access to volatile just because its
10342 If ignoring reference operations, just expand the operands.
10343 (expand_expr, case COMPONENT_REF): Propagate
10344 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
10345 Refine test for using bitfield operations vs pointer punning.
10346 (expand_expr, case CONVERT_EXPR): If converting to
10347 BLKmode UNION_TYPE from BLKmode, just return inner object.
10348 Use proper mode in store_field call.
10349 Properly set sizes of object to store and total size in store_field
10350 call for convert to union.
10351 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
10352 memory (like for ADDR_EXPR). Also, don't put constant in register if
10353 we'll want it in memory.
10354 (readonly_fields_p): New function.
10355 (expand_expr, case INDIRECT_REF): Call it if LHS.
10356 (expand_assignment): Handle a RESULT_DECL where
10357 DECL_RTL is a PARALLEL.
10358 (do_jump, case WITH_RECORD_EXPR): New case.
10359 (get_inner_reference): Always go inside a CONVERT_EXPR
10360 and NOP_EXPR if both modes are the same.
10361 (store_field): Use bitfield operations if size of bitsize is not same
10362 as size of RHS's type.
10363 Check for bitpos not a multiple of alignment in BLKmode case.
10364 Do block move in largest possible alignment.
10365 (store_constructor): Set BITSIZE to -1 for variable size and properly
10366 in case of array of BLKmode.
10367 (expand_expr_unaligned): New function.
10368 (do_compare_and_jump): Call it.
10370 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
10371 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
10372 does not include 'o'.
10374 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
10375 both SET_DEST and SET_SRC reference a virtual register.
10376 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
10378 * integrate.c (expand_inline_function): Handle case of setting
10379 virtual stack vars register (from built in setjmp); when parameter
10380 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
10381 (subst_constant): Add new parm, MEMONLY.
10382 (expand_inline_function, integrate_parm_decls): Pass new parm.
10383 (integrate_decl_tree): Likewise.
10384 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
10385 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
10386 (copy_rtx_and_substitute, case SET): Add explicit calls to
10387 copy_rtx_and_substitute for both sides.
10389 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
10391 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
10392 within INDEX_TYPE, instead of before.
10393 (fixup_gotos): Use f->target_rtl, not the next insn,
10394 since latter may be from a later fixup.
10395 (expand_value_return): Correctly convert VAL when promoting function
10396 return; support RETURN_REG being a PARALLEL.
10397 (expand_return): When checking for result in regs and having
10398 cleanup, consider PARALLEL in DECL_RTL as being in regs.
10400 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
10402 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
10403 last_nominal_fname): Mark const.
10404 (struct include_hash: name, nshort, control_macro): Mark
10406 (struct macrodef: symnam): Mark const.
10407 (struct if_stack: fname): Mark const.
10408 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
10409 (IStable): New character-syntax array which encompasses all
10410 the old is_foo arrays.
10411 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
10412 is_space): New macros for interrogating IStable.
10413 (check_macro_name): Kill last argument. All callers changed.
10415 * cppinit.c (initialize_char_syntax): Delete.
10416 (is_idchar, is_idstart, is_hor_space, is_space,
10417 trigraph_table): Delete.
10418 (IStable): New. Initialize with clever macros to avoid
10419 information duplication.
10420 (builtin_array): Table of builtins to get rid of explicit list
10421 in initialize_builtins.
10422 (initialize_builtins): Use builtins_array.
10423 (cpp_start_read): Call init_IStable, and set IStable['$'] if
10424 opts->dollars_in_ident.
10426 * cppexp.c: Change all refs to is_xyz[] arrays to use new
10428 (cpp_parse_expr): Avoid 'format string is not constant'
10429 warning. Use ISGRAPH to identify printable chars.
10430 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
10432 (read_and_prescan): Map trigraphs to chars with open-coded
10433 if-else-if-... sequence, not a lookup table.
10434 * cpphash.c: Change all refs to is_xyz[] arrays to use new
10436 * cpplib.c: Change all refs to is_xyz[] arrays to use new
10437 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
10438 (check_macro_name): Remove ability to report an invalid
10439 assertion name, which is never used.
10440 (do_line): Constify a couple of char *'s.
10441 * cppmain.c (main): Call cpp_cleanup before returning.
10443 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
10445 * ggc.h (struct ggc_statistics): New type.
10446 (ggc_get_size): New function.
10447 (ggc_print_statistics): Likewise.
10448 * ggc-common.c (ggc_stats): New variable.
10449 (ggc_mark_rtx_children): Keep statistics.
10450 (ggc_mark_tree_children): Likewise.
10451 (ggc_print_statistics): New function.
10452 * ggc-page.c (struct globals): Add bytes_mapped field.
10453 (alloc_anon): Update it.
10454 (release_pages): Likewise.
10455 (ggc_get_size): New function.
10456 (ggc_page_print_statistics): New function.
10457 * ggc-simple.c (ggc_get_size): New function.
10459 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
10461 * flow.c (propagate_block): When the last reference to a label
10462 before an ADDR_VEC is deleted because the reference is a dead
10463 store, delete the ADDR_VEC.
10465 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
10467 * resource.c (find_free_register): Don't use the frame pointer
10468 if frame_pointer_needed.
10470 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
10472 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
10473 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
10475 * config/i960/i960.c (i960_va_start): New locals base, num.
10476 Use INDIRECT_REF instead of ARRAY_REF on valist.
10477 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
10479 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
10481 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
10483 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
10485 * tree.def (PLACEHOLDER_EXPR): Update comments.
10487 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10489 * c-common.c (check_format_info): Avoid non-literal format string
10490 warnings when `first_arg_num' is zero.
10492 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10494 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
10496 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
10498 * arm.md (casesi_insn): Add a clobber of the condition code
10501 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
10503 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
10504 used by both cc1 and cc1plus.
10506 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
10508 * config/arm/arm.c: Initialise arm_structure_size_boundary to
10509 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
10510 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
10511 to the value 32 if it has not already been defined.
10512 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
10513 Override definition in arm.h with a value of 8.
10515 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
10517 * c-pragma.c (push_alignment): Don't check the return value
10520 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
10522 * sparc.h (ADJUST_COST): Fix thinko.
10524 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
10526 * cccp.c (rescan): Fixed obp pointer handling around call to
10527 check_expand subroutine.
10529 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
10531 * gcse.c (delete_null_pointer_checks): Only record non-null info
10532 for pseudos when examining stores.
10534 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
10535 splitters for these patterns. Use "#" for output templates.
10536 (addsi3_carryin_shift): New pattern.
10538 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
10540 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
10541 of the function return register into a plain REG until
10542 after function inlining is done.
10544 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
10546 * jump.c (jump_optimize_1): If we did cross-jumping, and
10547 the data will matter, rebuild the CFG.
10548 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
10549 not optimizing. Don't run shorten_branches.
10550 * toplev.c (rest_of_compilation): Run shorten_branches after
10553 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
10555 * rtl.h (note_stores): Add additional paramter.
10556 * rtlanal.c (reg_set_p_1): Take additional paramter.
10557 (reg_set_last_1): Likewise.
10558 (reg_set_p): Adjust call to note_stores.
10559 (reg_set_last): Likewise.
10560 (note_stores): Pass data parameter to worker function.
10561 * alias.c (record_set): Take additional parameter.
10562 (init_alias_analysis): Pass it.
10563 * caller-save.c (mark_set_regs): Take additional parameter.
10564 (save_call_clobbered_regs): Pass NULL to note_stores.
10565 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
10567 (record_dead_and_set_regs_1): Likewise.
10568 (reg_dead_at_p_1): Likewise.
10569 (combine_instructions): Adjust calls to note_stores.
10570 (try_combine): Likewise.
10571 (record_dead_insn): Remove.
10572 (record_dead_and_set_regs): Adjust calls to note_stores.
10573 (reg_dead_at_p): Likewise.
10574 * cse.c (invalidate_skipped_set): Take additional parameter.
10575 (cse_check_loop_start): Likewise.
10576 (cse_check_loop_start_value): Remove.
10577 (cse_set_around_loop): Adjust calls to note_stores.
10578 * flow.c (notice_stack_pointer_modification): Take additional
10579 parameter. Remove duplicate declaration.
10580 (record_volatile_insns): Adjust calls to note_stores.
10581 * gcse.c (record_set_info): Take additional parameter.
10582 (record_last_set_info): Likewise.
10583 (invalidate_nonnull_info): Likewise.
10584 (record_set_insn): Remove.
10585 (compute_sets): Adjust calls to note_stores.
10586 (last_set_insn): Remove.
10587 (compute_hash_table): Adjust calls to note_stores.
10588 (insert_insn_end_bb): Likewise.
10589 (delete_null_pointer_checks): Likewise.
10590 * global.c (mark_reg_store): Take additional parameter.
10591 (mark_reg_clobber): Likewise.
10592 (reg_becomes_live): Likewise.
10593 (global_conflicts): Adjust calls to note_stores.
10594 (build_insn_chain): Likewise.
10595 * integrate.c (note_modified_parmregs): Take additional parameter.
10596 (mark_stores): Likewise. Make it static.
10597 (save_for_inline_nocopy): Adjust calls to note_stores.
10598 (try_constants): Likewise.
10599 * integrate.h (mark_stores): Remove declaration.
10600 * jump.c (mark_modified_reg): Take additional parameter.
10601 (thread_jumps): Adjust calls to note_stores.
10602 * local-alloc.c (validate_equiv_mem_from_store): Take additional
10604 (no_equiv): Likewise.
10605 (reg_is_set): Likewise.
10606 (validate_equiv_mem): Adjust calls to note_stores.
10607 (update_equiv_regs): Likewise.
10608 (block_alloc): Likewise.
10609 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
10610 (note_addr_stored): Take additional parameter.
10611 (note_set_pseudo_multiple_uses): Likewise.
10612 (record_initial): Likewise.
10613 (prescan_loop): Adjust calls to note_stores.
10614 (strength_reduce): Likewise.
10615 (check_dbra_loop): Likewise.
10616 * regmove.c (flags_set_1): Take additional paramter.
10617 (mark_flags_life_zones): Adjust calls to note_stores.
10618 * reload1.c (mark_not_eliminable): Take additional parameter.
10619 (forget_old_reloads_1): Likewise.
10620 (reload_cse_invalidate_rtx): Likewise.
10621 (reload_cse_check_clobber): Likewise.
10622 (reload_combine_note_store): Likewise.
10623 (move2add_note_store): Likewise.
10624 (reload): Adjust calls to note_stores.
10625 (reload_as_needed): Likewise.
10626 (emit_reload_insns): Likewise.
10627 (reload_cse_regs_1): Likewise.
10628 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
10629 (reload_combine): Adjust calls to note_stores.
10630 * resource.c (update_live_status): Take additional paramter.
10631 (mark_target_live_regs): Adjust calls to note_stores.
10632 * stupid.c (find_clobbered_regs): Take additional parameter.
10633 (stupid_life_analysis): Adjust calls to note_stores.
10635 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
10637 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
10640 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
10643 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
10644 of the variable arm_structure_size_boundary.
10646 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
10648 * alias.c (init_alias_analysis): Allocate reg_known_value and
10649 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
10651 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
10652 * cse.c (cse_main): Call end_alias_analysis.
10653 * haifa-sched.c (schedule_insns): Likewise.
10654 * local-alloc. (update_equiv_regs): Likewise.
10655 * reload1.c (reload_cse_regs): Likewise.
10657 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10659 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
10660 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
10661 mapping from MASK_FPU.
10663 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
10665 * sparc.md (call): Don't bound structure return size to 0xfff.
10667 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
10669 * resource.c (mark_target_live_regs): Check that the target
10670 insn wasn't created after compute_bb_for_insn.
10672 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
10674 * ggc-page.c (poison_pages): Don't be overzealous.
10676 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
10678 * alias.c: Update comments for ADDRESS.
10679 (nonlocal_reference_p): Look inside the ADDRESS to determine if
10680 it is a local memory reference.
10682 * c-typeck.c (build_function_call): Check that the built-in
10683 function is of class BUILT_IN_NORMAL before trying to recongize
10684 it as BUILT_IN_ABS.
10685 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
10686 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
10688 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
10690 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
10692 (pre_gcse): Likewise.
10693 (hoist_expr_reaches_here_p): Likewise.
10694 (hoist_code): Likewise.
10695 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
10697 (pre_expr_reaches_here_p_work): ... here.
10698 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
10700 (expr_reaches_here_p_work): ... here.
10702 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
10704 * resource.c (find_basic_block): Delete.
10705 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
10706 (init_resource_info): Call compute_bb_for_insn.
10708 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
10710 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
10711 with already adjacent blocks, but no fallthru.
10712 (merge_blocks_move_successor_nojumps): Simplify.
10713 (debug_flow_info): New.
10715 * toplev.c (rest_of_compilation): Open jump1 dump file before
10716 jump and close after, as opposed to just using dump_rtl.
10718 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10720 * reload.h (earlyclobber_operand_p): Declare.
10721 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
10722 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
10723 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
10724 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
10726 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
10727 Richard Henderson <rth@cygnus.com>
10729 * emit-rtl.c (emit_block_insn_before): New.
10730 (emit_block_insn_after): New.
10731 * basic-block.h: Declare them.
10733 * bitmap.h: Protect from multiple inclusion.
10735 * recog.c (scratch_operand): Handle VOIDmode correctly.
10737 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
10739 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
10740 * function.c (assign_parms): Likewise.
10741 * global.c (global_conflicts): Clarify STACK_REGS commentary.
10743 * reg-stack.c (max_uid): Remove.
10744 (blocks, block_begin, block_end, block_drops_in): Remove.
10745 (block_stack_in, block_out_reg_set, block_number): Remove.
10746 (struct block_info_def, BLOCK_INFO): New.
10747 (enum emit_where): New.
10748 (current_block): New.
10749 (BLOCK_NUM): Remove.
10750 (mark_regs_pat, record_label_references): Remove.
10751 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
10753 (goto_block_pat, print_blocks, dump_stack_info): Remove.
10754 (reg_to_stack): Simplified test for existance of fp code. Use
10755 flow.c code. Call shorten_branches after cross-jump opt.
10756 (check_asm_stack_operands): Renamed from record_asm_reg_life.
10757 Return false if the asm doesn't use stack regs. Don't do life
10758 analysis on the asm.
10759 (emit_pop_insn): Replace function pointer arg `when' with
10760 enum `where'. Update all callers.
10761 (change_stack): Likewise. Update basic block end.
10762 (emit_swap_insn): Use current_block->head to limit reverse search
10763 for start of block. Use emit_block_insn_after.
10764 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
10765 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
10766 structure assignment instead of bcopy.
10767 (print_stack): New.
10768 (convert_regs_entry, convert_regs_exit): New.
10769 (convert_regs_1, convert_regs_2): Split out from convert_regs.
10770 Work on basic blocks and the CFG.
10771 (convert_regs): Use them.
10773 * i386.c (output_fix_trunc): Remove code for DImode input operand
10774 not at top-of-stack.
10775 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
10777 (fix_truncdi_1): Allow any mode scratch.
10779 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
10781 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
10782 * linux.h, netbsd.h, vms.h: Not here.
10784 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
10786 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
10787 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
10788 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
10789 CONDITIONAL_REGISTER_USEAGE): Use them.
10790 * config/mips/mips.c (mips_move_1word,mips_move_2words,
10791 gen_conditional_branch,override_options) : Use them.
10792 * config/mips/mips.md : Use them.
10794 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
10796 * i386.md (zero_extendqihi2): Use SImode register name with andl.
10798 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
10800 * integrate.c (function_cannot_inline_p): Don't allow inlining
10803 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10805 * c-parse.in (cast_expr): Constify.
10807 * cccp.c (special_symbol): Likewise.
10809 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
10811 * dwarf2out.c (base_type_die): Likewise.
10813 * global.c (allocno_compare): Likewise.
10815 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
10817 * regclass.c (fix_register): Likewise.
10819 * rtl.h (fix_register): Likewise.
10821 * stupid.c (stupid_reg_compare): Likewise.
10823 * toplev.c (decode_f_option): Likewise.
10825 * tree.c (build_complex_type): Likewise.
10827 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
10829 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
10831 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10833 * reload.c (find_reloads): Compute mode and nregs fields of all
10835 * reload1.c (calculate_needs_all_insns): Simplify a bit.
10836 (calculate_needs): Use precomputed mode/nregs values.
10837 (allocate_reload_reg): Likewise.
10839 (failed_reload, set_reload_reg): ... new functions.
10840 (choose_reload_regs_init): New function, mostly broken out from...
10841 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
10842 Also lose one #if 0 block.
10844 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
10846 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
10849 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
10851 * tree.h (BLOCK_TYPE_TAGS): Remove.
10852 (BLOCK_END_NOTE): Likewise.
10853 (BLOCK_LIVE_RANGE_FLAG): Likewise.
10854 (BLOCK_LIVE_RANGE_START): Likewise.
10855 (BLOCK_LIVE_RANGE_END): Likewise.
10856 (tree_block): Remove live_range_flag, live_range_var_flag, and
10857 type_tags. Remove end_note, live_range_start, and live_range_end.
10858 (remember_end_note): Remove prototype.
10859 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
10860 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
10862 * ggc-common.c (ggc_mark_tree_children): Don't mark
10863 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
10864 * integrate.c (adjust_copied_decl_tree): Remove.
10865 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
10866 * stmt.c (last_block_end_note): Remove.
10867 (init_stmt): Don't add a GC root for it.
10868 (expand_fixup): Don't set it.
10869 (remember_end_note): Remove.
10870 (expand_end_bindings): Don't set last_block_end_note.
10872 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10874 * reload1.c (reload_reg_free_for_value_p): Show
10875 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
10878 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
10880 * expmed.c (extract_bit_field): Allow for the case of non-integer
10881 objects that are smaller than a word (like SFmode on a 64-bit
10884 * loop.c (basic_induction_var): A non-integer variable which is
10885 being set by a paradoxical subreg is probably not a biv.
10887 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10889 * prefix.c (translate_name) Check for empty prefix string.
10891 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
10893 * Makefile.in (CPP_CROSS_NAME): New variable.
10894 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
10896 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
10897 names of the files to be uninstalled.
10899 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
10901 * collect2.c (IS_DIR_SEPARATOR): Define.
10902 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
10904 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
10907 * haifa-sched.c (add_dependence): Update the true dependency
10908 cache the first time we add a true dependence to the LOG_LINKS chain.
10910 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
10912 * fold-const.c (fold): Fix comment.
10914 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10916 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
10917 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
10918 dbxout_start_new_source_file, dbxout_source_file,
10919 dbxout_source_line, dbxout_finish, dbxout_type_fields,
10920 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
10922 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
10923 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
10924 (dbxout_block): Initialize variable `blocknum'.
10926 * dbxout.h (dbxout_init, dbxout_finish,
10927 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
10928 dbxout_args, dbxout_source_line): Constify a char*.
10930 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
10931 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
10932 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
10933 low_pc_attribute, high_pc_attribute, body_begin_attribute,
10934 body_end_attribute, comp_dir_attribute, sf_names_attribute,
10935 src_info_attribute, mac_info_attribute, producer_attribute,
10936 lookup_filename, generate_macinfo_entry, fundamental_type_code,
10937 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
10938 dwarfout_undef): Constify a char*.
10939 (add_incomplete_type, retry_incomplete_types): Add prototypes.
10941 * dwarfout.h (dwarfout_define, dwarfout_undef,
10942 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
10944 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
10946 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
10947 (MULTILIB_ISA_DEFAULT): New.
10948 (MULTILIB_DEFAULTS): Use it.
10949 * config/mips/mips.c (): Remove the now unnecessary definition
10950 of MIPS_ISA_DEFAULT.
10951 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
10952 unnecessary definition.
10954 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
10956 * arm.md (pic_load_addr): Add constraints to operand 1.
10958 1999-10-25 Bruce Korb <autogen@linuxbox.com>
10960 * fixinc/genfixes: Provide a means for specifying -D options to
10963 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
10965 * arm.c (arm_override_options): Correct initialization of
10966 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
10967 arm_is_strong, and arm_is_6_or_7.
10969 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
10970 (note_set_pseudo_multiple_uses): New function.
10971 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
10972 if a pseudo set in the loop exit is used elsewhere.
10974 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
10976 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
10978 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
10980 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
10981 a single load-address pattern.
10983 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
10985 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
10986 depending on whether or not line-number notes are present.
10988 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10990 * cccp.c (progname, file_buf, default_include, include_file,
10991 macrodef, definition, hashval, wchar_type, user_label_prefix,
10992 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
10993 expand_to_temp_buffer, is_system_include, base_name,
10994 absolute_filename, read_name_map, open_include_file,
10995 record_control_macro, check_precompiled, check_preconditions,
10996 pcfinclude, pass_thru_directive, create_definition,
10997 check_macro_name, comp_def_part, collect_expansion,
10998 check_assertion, read_token_list, assertion_install,
10999 assertion_lookup, eval_if_expression, conditional_skip,
11000 validate_else, skip_quoted_string, quote_string, macarg1,
11001 error_from_errno, install, lookup, hashf, dump_defn_1,
11002 perror_with_name, pfatal_with_name, main, trigraph_pcp,
11003 check_white_space, rescan, handle_directive, monthnames,
11004 special_symbol, do_include, remap_include_file, write_output,
11005 arglist, do_assert, do_unassert, do_line, do_error, do_once,
11006 do_ident, do_sccs, do_xifdef, skip_if_group,
11007 output_line_directive, macroexpand, macarg, change_newlines,
11008 initialize_builtins, make_definition): Constify a char*.
11010 * pcp.h (stringdef): Likewise.
11012 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
11014 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
11017 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
11018 Richard Henderson <rth@cygnus.com>
11020 * alias.c: Include ggc.h.
11021 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
11022 (record_set): Verify enough room in reg_base_value.
11023 (init_alias_analysis): Allocate reg_base_value with xcalloc.
11024 Register it as a GC root.
11025 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
11026 * Makefile.in (alias.o): Depend on ggc.h.
11028 * unroll.c (unroll_loop): Verify the insn before a barrier
11029 is a JUMP_INSN before checking JUMP_LABEL.
11031 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11033 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
11034 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
11035 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
11036 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
11037 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
11038 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
11040 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11042 * output.h (ctors_section, dtors_section, bss_section): Prototype.
11044 * alpha/alpha-interix.h (text_section): Delete prototype.
11045 * alpha/elf.h (text_section): Likewise.
11046 * arm/linux-elf.h (text_section): Likewise.
11047 * arm/linux-telf.h (text_section): Likewise.
11048 * c4x/c4x.h (text_section): Likewise.
11049 * dsp16xx/dsp16xx.h (bss_section): Likewise.
11050 * elfos.h (text_section): Likewise.
11051 * i386/aix386ng.h (text_section): Likewise.
11052 * i386/i386-interix.h (text_section): Likewise.
11053 * i386/sco5.h (text_section): Likewise.
11054 * i386/svr3gas.h (text_section): Likewise.
11055 * nextstep.h (text_section): Likewise.
11056 * psos.h (text_section): Likewise.
11057 * ptx4.h (text_section): Likewise.
11058 * svr3.h (text_section): Likewise.
11059 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
11061 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11063 * final.c (peephole): Delete prototype.
11065 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
11066 (pre_insert_copies): Remove unused variable `bb'.
11068 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
11071 * output.h (peephole): Add prototype.
11073 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
11075 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
11078 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
11080 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
11081 for inlined declarations.
11083 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
11085 * arm.c (logical_binary_operator): New fucntion.
11086 * arm.h (logical_binary_operator): Declare it.
11087 (PREDICATE_CODES): Handle logical_binary_operator.
11088 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
11089 output constraints. Add appropriate splitters.
11090 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
11091 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
11092 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
11094 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11096 * genoutput.c (struct operand_data): New elt eliminable.
11097 (output_operand_data): Write it.
11098 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
11099 (compare_operands): Take it into account.
11100 * recog.h (struct insn_operand_data): New elt eliminable.
11101 * reload1.c (check_eliminable_occurrences, elimination_effects): New
11103 (old_asm_operands_vec, new_asm_operands_vec): Delete.
11104 (eliminate_regs): Move code that detects changes to elimination
11105 target regs into new function elimination_effects.
11106 Delete one #if 0 block.
11107 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
11108 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
11109 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
11110 Only call eliminate_regs for real operands of the insn, not for parts
11111 of its structure or parts matched by things like match_operator.
11112 Use elimination_effects and check_eliminable_occurrences. Use
11113 copy_insn to duplicate the pattern when not in the final pass.
11115 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
11117 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
11120 1999-10-22 Bruce Korb <autogen@linuxbox.com>
11122 * fixinc/README: document the "mach" machine matching test
11123 * fixinc/fixfixes.c: Implement the #else/#endif label fix
11124 * fixinc/fixtests.c: Implement the #else/#endif label test
11125 * fixinc/inclhack.def: utilize these tests and fixes
11126 * fixinc/inclhack.sh: regen
11127 * fixinc/fixincl.x: regen
11128 * fixinc/fixincl.sh: regen
11130 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
11132 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
11135 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
11137 * gcc.1: Document exit codes.
11139 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11141 * calls.c: Include tm_p.h later, so everything we need is defined.
11142 * expr.c: Likewise.
11143 * function.c: Likewise.
11145 * except.c: Include tm_p.h.
11147 * sparc.c: Likewise.
11148 (dwarf2out_cfi_label): Don't prototype.
11149 (check_return_regs, epilogue_renumber,
11150 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
11151 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
11152 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
11153 ultra_schedule_insn): Add static prototype.
11154 (data_segment_operand, text_segment_operand): Call itself with the
11155 proper number of arguments.
11156 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
11158 * sparc.h: Move all declarations to sparc-protos.h.
11159 (SELECT_RTX_SECTION): Pass a missing MODE argument to
11162 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
11164 * config/svr4.h (text_section, ctors_section, dtors_section): Add
11166 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
11167 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
11168 ASM_OUTPUT_ASCII): Constify a char*.
11170 * sparc-protos.h: New file for sparc prototypes.
11172 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11174 * function.c (record_insns, contains): Always declare and define.
11175 (record_insns): Mark with ATTRIBUTE_UNUSED.
11177 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
11179 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
11180 to .section when outputting a .bss section to deal with multiple
11181 .bss input sections (as happens with -fdata-sections)
11182 Also output %progbits, not @progbits so the assembler doesn't treat as
11184 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
11186 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
11187 thumb parts even when building with non-thumb CPUs, by forcing
11190 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
11192 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
11193 (movdf_const_intreg_sp64): Similarly.
11195 * local-alloc.c (update_equiv_regs): Check the correct insn
11196 for pre-existing REG_EQUIV notes.
11198 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
11200 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
11201 block reached by a branch if we're not going to actually process
11204 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
11206 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
11207 a local extern function declaration.
11209 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
11211 * i386.c (ix86_expand_prologue): Properly wrap USE around
11212 reg for CALL_INSN_FUNCTION_USAGE.
11214 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
11216 * config/mips/mips.md (movdf_internal1a): Allow floating-point
11217 move between GP_REGs.
11219 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
11221 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
11222 the mode size when finding out if an offset is legal.
11224 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
11226 * basic-block.h (PROP_*): Move constants from ...
11227 * flow.c: ... here.
11228 (compute_bb_for_insn): Free the array before reallocating.
11229 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
11230 (allocate_reg_life_data): Reset all reg variables collected by
11232 (get_block_head_tail): Don't convert from bb to block.
11233 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
11234 (find_insn_reg_weight): Take block not bb.
11235 (schedule_block): Don't set block num for moved insns.
11236 (schedule_region): Don't update_life_info or find_insn_reg_weight.
11237 (schedule_insns): Do it here instead.
11238 * combine.c (combine_instructions): Invoke compute_bb_for_insn
11239 before update_life_info.
11240 * recog.c (split_all_insns, peephole2_optimize): Update for
11241 new arg to update_life_info.
11242 * rtlanal.c (remove_note): Cope with NULL note.
11243 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
11246 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
11248 * jump.c (jump_optimize_1): More accurately detect casesi insns.
11250 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
11251 block records so that merge_blocks_nomove will clean up correctly.
11252 (split_edge): Handle casesi insns.
11254 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
11256 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
11258 * pa.md (call, call_value): Do not emit a blockage after restoring
11261 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
11263 * c-typeck.c (c_expand_asm_operands): Fix typo.
11265 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11267 * arm.c (fpu_rhs_operand): Verify modes.
11268 (fpu_add_operand): Likewise.
11269 (di_operand): Likewise.
11270 (soft_df_operand): Likewise.
11272 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
11274 * arm.c (arm_return_in_memory): APCS rules state that the elements
11275 of a structure returned in a register must be 'integer-like'.
11277 1999-10-19 Bruce Korb <autogen@linuxbox.com>
11279 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
11280 in the source tree when the generated targets are out of date
11281 * fixinc/genfixes: Alter it to run individual fixes for make.
11282 * fixinc/README: rewrite
11283 * fixinc/inclhack.def: moved initial comments to README
11285 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
11287 * toplev.c (main): Do not generate an error message if an
11288 unrecognised command line switch is recognisable by another
11289 language. If extra_warnings are enabled, then generate a
11290 warning message instead.
11292 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
11294 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
11295 (insert_pack_attributes): Delete prototype.
11297 * c-pragma.c (default_alignment): New static variable.
11298 (push_alignment): Initialize to current effective alignment.
11299 (pop_alignment): Use to set new alignment.
11300 (insert_pack_attributes): Delete function.
11301 (handle_pragma_token): Set default_alignment as well each time
11302 a #pragma pack(<n>) is encountered.
11304 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
11306 * reg-stack.c (stack_result): Aggregates are not returned in
11309 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
11311 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
11313 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
11315 * basic-block.h (set_block_num): Declare.
11316 * flow.c (update_life_info): Don't call compute_bb_for_insn
11317 or free_basic_block_vars.
11318 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
11319 (insn_orig_block): Remove.
11320 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
11321 (schedule_block): Keep BLOCK_NUM up-to-date.
11322 (schedule_insns): Use compute_bb_for_insn.
11323 * recog.c (split_all_insns): Likewise.
11324 (peephole2_optimize): Likewise.
11326 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
11328 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
11329 if the pic register is used.
11331 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11333 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
11334 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
11335 if that tests TREE_PERMANENT.
11337 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
11339 * cse.c (invalidate_for_call): Do not remove memory references from
11340 the table here. It's handled elsewhere.
11342 * haifa-sched.c (add_dependence): Protect references to the
11343 true dependency cache with #ifdef INSN_SCHEDULING.
11344 (remove_dependence): Similarly.
11346 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
11347 to the cfg code that this is a return instruction.
11348 * mn10300.md (return_internal): Similarly.
11350 * combine.c (get_last_value): If the last set of a register
11351 is after subst_low_cuid, then we can not use it to determine
11352 the register's last value.
11354 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
11356 * Makefile.in: Back out previous change.
11358 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
11360 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
11362 * haifa-sched.c (add_dependence): Only check/update the cache
11364 (remove_dependence): Likewise.
11365 (schedule_insns): Only create the true_dependency_cache if the
11366 average number of instructions in a basic block is very large.
11368 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
11370 * Makefile.in (ggc-common.o): Depend on genrtl.h.
11371 (ggc-simple.o): Likewise.
11372 (ggc-page.o): Likewise.
11374 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
11376 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
11377 Prototype for exported functions.
11378 (pre_lcm, pre_rev_lcm): Remove prototypes.
11379 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
11380 (compute_available): Move to lcm.c, and change parameter order.
11381 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
11382 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
11383 (gcse_main): No longer call compute_preds_succs. Rebuild the
11384 set table after reach pre pass.
11385 (pre_insert_map, pre_delete_map, edge_list): New.
11386 (alloc_pre_mem): Allocate edge vectors.
11387 (free_pre_mem): Delete edge vectors.
11388 (compute_pre_data): Call new edge based lcm routines.
11389 (process_insert_insn): New function.
11390 (insert_insn_end_bb): Use it.
11391 (pre_edge_insert): New function.
11392 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
11394 (pre_insert_copies): Revamp using new edge based lcm outputs.
11395 (pre_delete): Likewise.
11396 (one_pre_gcse_pass): Insert & remove fake edges to the exit
11398 (compute_code_hoist_vbeinout): New new edge based routines.
11399 * lcm.c: Remove all the old LCM functions. Replace with new ones
11400 that work with the new cfg datastructures and work with edges
11403 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11405 * reload.h (struct reload): Add new fields "mode" and "nregs".
11406 * reload1.c: Change all occurrences of reload_mode and reload_nregs
11407 to reference the "mode" and "nregs" field within struct reload.
11409 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
11411 * haifa-sched.c (true_dependency_cache): New.
11412 (add_dependence): Use the true dependency cache to avoid expensive
11413 walks down the LOG_LINKS dependency list. Add entries to the
11414 cache as necessary.
11415 (remove_dependence): Remove entries from the true dependency cache
11417 (schedule_insns): Allocate and initialize and free the true
11420 * haifa-sched.c (schedule_insns): Do not remove inter-block
11421 dependencies anymore.
11423 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
11425 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
11426 * i386/t-winnt: Likewise.
11428 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
11430 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
11432 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
11434 * Makefile.in (LANGUAGES): Omit "proto".
11435 (clean): Remove stale comment about removing unprotoize.c.
11437 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11439 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
11440 using arithmetic on void pointers.
11442 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
11444 * haifa-sched.c (compute_block_forward_dependencies): Only check
11445 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
11447 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
11449 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
11450 (expr_equiv_p): Reject memories with different alias sets.
11452 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
11454 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
11455 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
11456 (f_options): Add "bounded-pointers" and "bounds-check" entries.
11457 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
11458 (lang_init): Set default for flag_bounds_check if still "unspecified".
11460 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11462 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
11464 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11466 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
11469 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11471 * config/c4x/c4x.md (*db_noclobber,
11472 *decrement_and_branch_until_zero_noclobber): New patterns and
11473 associated splitters.
11475 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11477 * config/c4x/c4x.md (parallel instruction patterns): Rework
11478 constraints to keep reload happy.
11480 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11482 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
11483 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
11484 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
11485 Add new patterns and associated post-reload splitters.
11487 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11489 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
11491 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11493 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
11495 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
11497 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11499 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
11502 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
11504 * pa.c (move_operand): Rely on memory_address_p to determine the
11505 validity of non-indexed memory addresses.
11506 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
11507 operand in DFmode and SFmode when generating PA2.0 code.
11509 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
11511 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
11513 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
11515 * mips.c (function_prologue): Fix argument types.
11516 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
11517 (casesi_internal): Write to the scratch register.
11519 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
11521 * cppexp.c (cpp_parse_escape): Make static. Change second arg
11523 (parse_charconst): Delete unnecessary cast when calling
11525 (cpplib.h): Kill prototype of cpp_parse_escape.
11527 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
11529 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
11530 * unroll.c (unroll_loop): Cast return value of alloca.
11531 * i370/i370.c: Include function.h and toplev.h.
11532 (i370_label_scan): Remove c++ commented abort.
11533 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
11534 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
11535 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
11536 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
11538 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
11540 * config/t-freebsd: Do not override USER_H.
11541 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
11543 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
11544 Mumit Khan <khan@xraylith.wisc.edu>
11546 * c-parse.in (component_decl): Support anonymous struct/union.
11548 * c-parse.y: Regenerate.
11549 * c-parse.c: Likewise.
11550 * objc/objc-parse.y: Likewise.
11551 * objc/objc-parse.c: Likewise.
11552 * c-decl.c (finish_struct): Don't sort the fields.
11553 (field_decl_cmp): Delete unused function.
11555 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
11557 * sparc.md (movsf_const_intreg): Revert last constraint change.
11558 (movdf_const_intreg_sp32): Likewise.
11560 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
11562 * cse.c: Include hashtab.h instead of splay-tree.h
11563 (struct cse_reg_info): No longer use variant union. Add new
11564 field "regno". All references changed to avoid union.
11565 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
11566 (free_cse_reg_info): Remove.
11567 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
11568 (get_cse_reg_info): Revamp to use expandable hash tables instead
11569 of splay trees. Initialize new fields in cse_reg_info structure.
11570 (new_basic_block): Similarly.
11572 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
11574 * genrecog.c (message_with_line): Prototype.
11575 (validate_pattern): Pass along the set for the dest, not a flag.
11576 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
11577 Check for PC/CC0 as sources.
11578 (nodes_identical): Check for children position match before
11579 allowing the combination.
11581 * rtl.c (read_rtx): Track line number across \\\n.
11583 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
11585 * mips.h (SPECIAL_MODE_PREDICATES): New.
11586 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
11587 (movdi+1, movsi+1): Add output reload constraint.
11588 (casesi_internal): Likewise. Fix commentary.
11589 (return_internal): Use pmode_register_operand.
11591 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
11593 * 1750a.md (movstrqi): Add missing output reload constraint.
11594 (call_value): Likewise.
11595 * a29k.md (cpxxx patterns): Add missing match_operator mode.
11596 (jmpfdec): Add missing inout reload constraint.
11597 * elxsi.md (addsi patterns): Add missing output reload constraint.
11598 (move from sp): Use @ alternates.
11599 (call_value): No constraint on output.
11600 * fr30.md (movsi_pop): Add missing output reload constraint.
11601 (movsf_constant_store): Likewise.
11602 (splits): Remove constraints.
11603 (subsi3): Add missing mode.
11604 * i370.md (cmpstrsi+1): Add missing output reload constraint.
11605 (call_value): Likewise.
11606 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
11607 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
11608 * m32r.md (movsicc_internal): Add output reload constraint.
11609 (movstrsi_internal): Add inout reload constraints.
11610 * m88k.h (reg_names): Don't declare.
11611 (SPECIAL_MODE_PREDICATES): New.
11612 * m88k.md (*): Use register_operand not reg_or_0_operand
11614 * mn10200.h (PREDICATE_CODES): New.
11615 * ns32k.md (ffs pattern): Add output reload constraint.
11616 * pdp11.md (sob pattern): Add inout reload constraint.
11617 * sh.md (splits): Remove constraints.
11618 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
11619 * v850.md (pattern_is_ok_for_epilogue): Likewise.
11620 * vax.md (jgequ pattern): Add inout reload constraint.
11622 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
11624 * configure.in (djgpp): Revert previous patch.
11625 * configure: Rebuit.
11626 * config/i386/djgpp.h: Revert previous patch.
11628 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
11630 * fixinc/inclhack.def: Restore patch lost during last merge of
11631 "no_bogosity" branch.
11632 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
11634 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
11636 * fixincludes: Add a HPUX 11 fix for inttypes.h.
11637 * fixinc/inclhack.def: Same.
11638 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
11640 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
11642 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
11643 as the base of a PLUS.
11645 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11647 * config/c4x/c4x.md: Define mode for remaining unspec operators.
11648 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
11650 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
11652 * pa.md (post_stw+1): Use pmode_register_operand.
11653 (dcacheflush, icacheflush): Likewise.
11655 * i386.md (movstricthi_1): Allow r/r.
11657 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
11659 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
11660 to (not (and (arg0) (arg1))). Similary for and.
11662 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
11663 fallthrough to associate code.
11664 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
11667 * combine.c (simplify_logical): Convert XOR to IOR if operands have
11668 no bits in common; remove XOR to ROTATE conversion.
11670 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11672 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
11674 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11676 * config/c4x/c4x.c (dst_operand): New.
11677 (PREDICATE_CODES): Update.
11678 * config/c4x/c4x.h (dst_operand): Declare it.
11679 * config/c4x/c4x.md: Define mode for each unspec usage.
11680 (move patterns): Use dst_operand predicate instead of src_operand.
11681 (movqi_update, movqf_update): Delete.
11683 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
11685 * recog.c (pmode_register_operand): New.
11686 * recog.h: Declare it.
11687 * genrecog.c (pred_codes): Likewise.
11688 (special_mode_pred_table): Likewise.
11689 (validate_pattern): Don't warn no mode for address_operand.
11691 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
11692 if the operand is not insn-like.
11694 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
11695 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
11697 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
11699 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
11701 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
11702 instead of general_operand in a SET_DEST. Use const_double_operand
11703 instead of an explicit test against CONST_DOUBLE.
11704 (movsf_const_lo): Add missing register mode.
11705 (goto_handler_and_restore): Add auxiliary test for Pmode.
11706 (flush): Adjust to use address_operand.
11707 (return_sf_no_fpu): Add missing output constraint.
11709 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
11711 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
11712 for call return value.
11713 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
11715 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
11717 * toplev.c (main): Only warn about options for other languages.
11718 * collect2.c (main): Pass -w to sub-gcc.
11720 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
11722 * flow.c (propagate_block): Add call-clobbered registers to
11725 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
11726 zapping mem_set_list.
11727 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
11728 (mark_set_1, mark_used_regs): Likewise.
11730 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
11732 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
11734 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11736 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
11737 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
11738 options. Also add a new item "C-only Warning Options" to the
11741 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
11743 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
11744 from multiple calls.
11746 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
11748 * i386.md (call value patterns): Move to the end of the file.
11749 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
11751 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
11753 * configure.in (djgpp configuration): Define extra_objects..
11754 * configure: Rebuilt.
11755 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
11756 (DTORS_SECTION_ASM_OP): Define.
11757 (INIT_SECTION_ASM_OP): Define.
11758 (FINI_SECTION_ASM_OP): Define.
11759 (DATA_SECTION_ASM_OP): Define.
11760 (TEXT_SECTION_ASM_OP): Define.
11761 (EH_FRAME_SECTION_ASM_OP): Define.
11762 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
11763 (STARTFILE_SPEC): Add crtbegin.o.
11764 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
11765 to here from LINK_COMMAND_SPEC.
11766 (DO_GLOBAL_CTORS_BODY): Define.
11767 (CRTSTUFF_USE_FINI_SECTION): Define
11768 (HAS_INIT_SECTION): Delete.
11770 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
11772 * Makefile.in (all.cross): Depend on xcpp$(exeext).
11774 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
11776 * pa.h (PREDICATE_CODES): New.
11778 * genrecog.c (validate_pattern): Condense the destination
11779 non-lvalue message.
11781 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
11783 * alpha.md (call-1): Supply missing mode for operator.
11784 (*): Add missing output reload constraints. Remove constraints
11785 from define_splits.
11787 * i386.h (SPECIAL_MODE_PREDICATES): New.
11788 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
11789 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
11790 (addsi_lea_3): Add missing mode for op 3.
11791 (prologue_set_got, prologue_get_pc): Add missing modes.
11792 (*) Add missing output reload constraints.
11794 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
11796 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
11797 check for member bit-size overflow and use var_size if it occurs.
11798 (layout_record): Use bitsize_int() to define the type size in bits.
11799 Likewise for computation and assignment to DECL_FIELD_BITPOS.
11800 (layout_decl): Likewise when assigning to DECL_SIZE.
11802 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
11804 * genrecog.c (validate_pattern): Typo last change. Verify
11805 that output operands have output reloads.
11807 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
11809 * genrecog.c (special_mode_pred_table): New.
11810 (NUM_SPECIAL_MODE_PREDS): New.
11811 (find_operand): New.
11812 (validate_pattern): New argument `insn'. Warn for assignment to
11813 any predicate accepting non-lvalues. Conditionaly warn for
11814 match_operand without a mode. Try much harder to match source
11815 and destination modes on a set.
11816 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
11818 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
11820 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
11822 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
11824 * combine.c (simplify_logical): Recognize xor pattern that encodes
11827 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11829 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
11832 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
11834 * ggc-page.c (MAP_FAILED): Provide default.
11836 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
11838 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
11839 * sparc.h (PREDICATE_CODES): Update.
11841 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
11843 * alpha.c (some_ni_operand): New.
11844 * alpha-protos.h: Declare it.
11845 * alpha.h (PREDICATE_CODES): Update.
11846 * alpha.md (sXaddq reload insns): Use some_ni_operand
11847 for SET_DEST instead of some_operand.
11849 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
11850 Jim Wilson <wilson@cygnus.com>
11852 * genrecog.c (maybe_both_true_2): Don't compare modes of
11854 (process_tree): Elide peephole2_insns. Invoke simplify_tests
11855 after find_afterward.
11856 (debug_decision_1): Dump next and afterward codes.
11858 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
11860 * rtl.c (dump_and_abort): Remove.
11861 (fatal_with_file_and_line): New.
11862 (fatal_expected_char): New.
11863 (read_rtx_lineno, read_rtx_filename): New.
11864 (read_skip_spaces): Track line number.
11865 (read_name): Use fatal_with_file_and_line.
11866 (read_rtx): Use fatal_expected_char. Track line number.
11867 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
11869 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
11870 if it isn't a CODE_LABEL.
11872 * genattr.c (main): Set read_rtx_filename.
11873 * genattrtab.c (main): Likewise.
11874 * gencodes.c (main): Likewise.
11875 * genconfig.c (main): Likewise.
11876 * genemit.c (main): Likewise.
11877 * genextract.c (main): Likewise.
11878 * genflags.c (main): Likewise.
11879 * genopinit.c (main): Likewise.
11880 * genoutput.c (main): Likewise.
11881 * genpeep.c (main): Likewise.
11883 * genrecog.c (decision_test.u.insn): Add `lineno'.
11884 (pattern_lineno, error_count): New variables.
11885 (message_with_line): New.
11886 (add_to_sequence): Break out checking code to ...
11887 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
11888 (merge_insn): Use message_with_line.
11889 (make_insn_sequence): Use validate_pattern. Record insn lineno.
11890 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
11892 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11894 * expr.c (store_constructor): Clear union if constructor is empty.
11896 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
11898 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
11899 Add !endian checks. Change %{...} to %(...).
11901 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
11903 * i386.md (*addsi3_cc): Renamed from addcsi3.
11904 (*addsi3_carry): Renamed from addxsi3.
11905 (*subsi3_cc): Renamed from subcsi3.
11906 (*subsi3_carry): Renamed from subxsi3.
11907 (*xorqi_cc_1): Renamed from xorcqi_1.
11908 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
11909 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
11911 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
11913 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
11914 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
11916 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
11918 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
11919 climb up the chain of insns.
11921 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
11923 * genrecog.c (write_subroutine): Careful for null trees.
11924 (process_tree): Don't elide empty functions.
11926 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
11928 * Makefile.in (genrtl.o): Depend on ggc.h.
11929 * configure.in (valloc): Probe for it.
11930 (with-gc): Use ggc-page if valloc present.
11931 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
11932 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
11933 (ggc_alloc_string): Moved from ggc-page.c.
11934 * ggc-none.c (ggc_alloc_obj): New.
11935 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
11936 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
11937 (struct globals): Likewise for dev_zero_fd.
11938 (init_ggc): Likewise for it's initialization.
11939 (ggc_allocated_p): Move careful dereference from ...
11940 (ggc_lookup_page_table): ... here. Delete.
11941 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
11942 (alloc_anon): Use valloc if no mmap.
11943 (release_pages): Use free if using valloc.
11944 (ggc_alloc_obj): Renamed from alloc_obj.
11945 (ggc_set_mark): Renamed from mark_obj.
11946 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
11947 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
11948 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
11949 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
11950 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
11951 (ggc_collect): Use fp printing instead of our own rounding.
11952 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
11953 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
11954 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
11955 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
11956 (struct ggc_string, struct ggc_any): Delete.
11957 (offsetof): Provide default definition.
11958 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
11960 (struct ggc_mem): New, from corpse of ggc_any.
11961 (struct ggc_status): Delete.
11962 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
11963 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
11964 (n_strings_collected, n_anys_collected): Delete.
11965 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
11966 (ggc_alloc_string, ggc_alloc): Delete.
11967 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
11968 (ggc_free_string, ggc_free_any): Delete.
11969 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
11970 (ggc_compare_addresses, ggc_mark_string): Delete.
11971 (ggc_mark_string_if_gcable, ggc_mark): Delete.
11972 (search_data): Delete.
11973 (struct globals): New.
11974 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
11975 (tree_insert, tree_lookup): New.
11976 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
11977 (clear_marks, sweep_objs): New.
11978 (ggc_collect): Gut. Use clear_marks, sweep_objs.
11979 (init_ggc): Set allocated_last_gc.
11980 (ggc_push_context): Gut. Use G.context.
11981 (ggc_pop_context): Likewise.
11982 (ggc_pop_context_1): New.
11983 (debug_ggc_tree): New.
11984 (debug_ggc_balance, tally_leaves): New.
11985 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
11986 (ggc_mark_string_if_gcable): Remove decl.
11987 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
11988 (ggc_mark_rtvec_children): New.
11989 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
11990 (ggc_mark_if_gcable): New decl.
11991 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
11992 (ggc_alloc_tree, ggc_alloc): Likewise.
11993 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
11994 (ggc_alloc_obj): New decl.
11995 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
11996 (ggc_alloc_tree, ggc_alloc): Likewise.
11997 (ggc_set_mark): New decl.
11998 * rtl.h (struct rtx_def): Remove gc_mark.
11999 (struct rtvec_def): Likewise.
12000 * tree.h (struct tree_common): Likewise.
12002 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
12004 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
12005 float_format and thread_file definitions.
12006 * configure: Rebuilt.
12008 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
12010 * extend.texi (Function Names): Document types of function names.
12012 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12014 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
12015 an earlyclobbered output conflict with RELOAD_INPUT reloads.
12017 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12019 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
12021 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12023 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
12025 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
12027 * collect2.c (main): Do prelimnary link on AIX if rflag.
12029 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
12031 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
12032 __CTOR_LIST__ in opposite order, which is the correct order for sorted
12034 (__do_global_dtors): similarly for __DTOR_LIST__.
12036 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12037 Diego Novillo <dnovillo@cygnus.com>
12039 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
12042 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
12044 * fixincl/*: Merged "no_bogosity" branch
12045 * fixincl/fixlib.h: protect against doubly defining t_bool
12046 * fixincl/server.h: protect against doubly defining t_bool
12048 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
12050 * genoutput.c: Include toplev.h.
12052 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
12054 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
12056 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
12057 * configure: Regenerate.
12059 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
12061 * gcse.c (delete_null_pointer_checks): Returns void.
12063 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12065 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
12066 * emit-rtl.c (copy_insn_1): Likewise.
12068 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12070 * config/mips/mips.c (mips_build_va_list): Correct
12071 TREE_CHAIN setting when hard-float.
12072 (mips_va_start): Use corrected setting.
12073 (mips_va_arg): Likewise. Also pass a tree to build of
12074 POSTINCREMENT_EXPR rather than a naked 'int'.
12076 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
12078 * ggc.h (ggc_push_context): Fix comment.
12079 (ggc_pop_context): Likewise.
12080 (mark_string_if_gcable): Likewise.
12081 * ggc-common.c (ggc_mark_rtx_children): Use
12082 ggc_mark_string_if_gcable.
12083 * ggc-page.c (ggc_lookup_page_table): New function.
12084 (ggc_allocated_p): Likewise.
12085 (mark_obj): Fix formatting.
12086 (ggc_mark_string_if_gcable): New function.
12087 * ggc-simple.c (ggc_allocated_strings): New variable.
12088 (ggc_strings_used): Likewise.
12089 (ggc_compare_addresses): New function.
12090 (ggc_pop_context): Pop the `any' memory too.
12091 (ggc_mark_string_if_gcable): New function.
12092 (ggc_collect): Initialize and tear down ggc_allocated_strings.
12094 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
12096 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
12097 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
12098 * rs6000.c (expand_block_move): Match movstrsi_?reg register
12101 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
12103 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
12104 (sched_reg_live_length, sched_reg_basic_block): Delete.
12105 (current_block_num, bb_live_regs, old_live_regs): Delete.
12106 (dead_notes, struct sometimes): Delete.
12107 (sched_note_set, birthing_insn_p): Delete.
12108 (adjust_priority): Gut useless reg lifetime code.
12109 (create_reg_dead_note, attach_deaths): Delete.
12110 (attach_deaths_insn, new_sometimes_live): Delete.
12111 (finish_sometimes_live): Delete.
12112 (find_pre_sched_live, find_post_sched_live): Delete.
12113 (update_reg_usage): Delete.
12114 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
12115 (schedule_insns): Delete reg lifetime code.
12116 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
12117 (unlink_other_notes): Adjust REG_NOTE commentary.
12118 (reemit_notes): Use REG_SAVE_NOTE.
12119 (schedule_block): Likewise.
12120 (schedule_region): Allocate bitmap of blocks in region. Use
12121 count_or_remove_death_notes. Use update_life_info.
12123 * rtl.h (REG_SAVE_NOTE): New.
12124 * rtl.c (reg_note_name): Update.
12126 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
12128 * combine.c (refresh_blocks, need_refresh): New.
12129 (combine_instructions): Allocate refresh_blocks. Invoke
12130 update_life_info if needed.
12131 (distribute_notes): Mark refresh_blocks instead of installing
12133 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
12134 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
12136 * Makefile.in (recog.o): Depend on basic-block.h.
12138 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
12140 * genrecog.c (add_to_sequence): Thinko last change: delete
12141 shadowing allow_const_int variable.
12143 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12145 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
12146 __GNUC__ and __GNUC_MINOR__.
12148 * gansidecl.h: Likewise.
12154 * toplev.h: Likewise.
12156 * tree.c: Likewise.
12158 * tree.h: Likewise.
12160 * varray.c: Likewise.
12162 * varray.h: Likewise.
12164 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12166 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
12167 use one before a jump table.
12169 * rtl.def (ADDRESS): Change documentation to match reality.
12170 * md.texi: Don't document it.
12171 * gmicro.md (load address pattern): Use 'p' constraint, delete use
12174 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
12176 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
12178 * genrecog.c (add_to_sequence): Move allow_const_int test outside
12179 known predicate block; default allow_const_int true.
12180 (debug_decision_list): New.
12182 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
12184 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
12186 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
12188 * gcse.c (gcse_main): Avoid global optimizations if we have a
12189 large number of basic blocks and the ratio of edges to blocks
12191 (delete_null_pointer_checks): Likewise.
12193 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
12195 * c-common.c (check_format_info): Warn if format string isn't a
12198 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
12200 * configure.in (arm*-*-*): Don't let autoconf remove brackets
12201 * configure: regenerate
12203 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
12205 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
12206 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
12207 (peepholes): Re-enable.
12209 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
12211 * Makefile.in (flow.o): Depend on TREE_H.
12212 * basic-block.h (REG_SET_EQUAL_P): New.
12213 (XOR_REG_SET): New.
12214 (n_edges): Declare.
12215 (free_regset_vector): Remove declaration.
12216 (flow_delete_insn_chain): Declare.
12217 (enum update_life_extent): New.
12218 (update_life_info, count_or_remove_death_notes): Declare.
12219 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
12220 Verify register live at bb->global_live_at_start before adding USE.
12221 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
12222 (CLEAN_ALLOCA): New.
12224 (PROP_*): New flags.
12225 (find_basic_blocks_1): Use alloc_EXPR_LIST.
12226 (clear_edges): Zero n_edges.
12227 (make_edge): Increment n_edges.
12228 (split_edge): Don't allocate bb->local_set. Increment n_edges.
12229 (flow_delete_insn_chain): Export.
12230 (delete_block): Decrement n_edges.
12231 (merge_blocks_nomove): Likewise.
12232 (life_analysis): Give life_analysis_1 PROP flags.
12233 (verify_wide_reg_1, verify_wide_reg): New.
12234 (verify_local_live_at_start): New.
12235 (update_life_info): Rewrite to call into propogate_block.
12237 (mark_regs_live_at_end): After reload, if epilogue as rtl,
12238 always mark stack pointer. Conditionally mark PIC register.
12239 After reload, mark call-saved registers, return regsiters.
12240 (life_analysis_1): Accept PROP flags not remove_dead_code.
12241 Call mark_regs_live_at_end before zeroing regs_ever_live.
12242 Use calculate_global_regs_live. Copy global_live_at_end before
12243 calling final propagate_block. Zero reg_next_use on exit.
12244 (calculate_global_regs_live): New.
12245 (allocate_bb_life_data): Don't allocate bb->local_set.
12246 (init_regset_vector, free_regset_vector): Remove.
12247 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
12248 Test flags before every operation. Warn if prologue/epilogue insn
12249 would have been deleted.
12250 (mark_set_regs, mark_set_1): Accept and use FLAGS.
12251 Use alloc_EXPR_LIST.
12252 (mark_used_regs): Accept and use FLAGS, not FINAL.
12253 Remove special handling for RETURN.
12254 (try_pre_increment): Use alloc_EXPR_LIST.
12255 (dump_flow_info): Dump n_edges.
12256 (unlink_insn_chain, split_hard_reg_notes): Remove.
12257 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
12258 (find_insn_with_note, new_insn_dead_notes): Remove.
12259 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
12260 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
12261 (replace_insns): Remove.
12262 (count_or_remove_death_notes): New.
12263 (verify_flow_info): Abort on error after all checks.
12264 (remove_edge): Decrement n_edges.
12265 (remove_fake_edges): Tweek format.
12266 * haifa-sched.c (schedule_insns): Use split_all_insns.
12267 * output.h (update_life_info): Remove declaration.
12268 * recog.c (split_all_insns): From the corpse of split_block_insns,
12269 do the whole function block by block. Use update_life_info.
12270 (recog_last_allowed_insn): New.
12271 (recog_next_insn): Mind it.
12272 (peephole2_optimize): Set it. Walk backwards through blocks.
12273 Use update_life_info.
12274 * rtl.h (update_flow_info, replace_insns): Remove declarations.
12275 (split_all_insns): Declare.
12276 * toplev.c (rest_of_compilation): Thread prologue before flow2.
12277 Use split_all_insns.
12279 * i386.md (or -1 peep2s): Disable.
12281 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
12283 * config/mips/mips.md (movstrsi+[123]) : Combine these into
12284 a single pattern. Scrap the 'd' versions as unnecessary.
12286 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
12287 tablejump_mips162,tablejump_internal4): The operands to a
12288 label_ref must be VOIDmode.
12290 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12292 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
12294 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
12296 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
12298 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
12300 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
12301 cache every function if ggc_p.
12303 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12305 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
12306 instead of copy_rtx. Accept sequences that contain asm statements.
12307 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
12308 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
12309 orig_asm_operands_vector, copy_asm_operands_vector,
12310 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
12312 * rtl.h (copy_insn, copy_insn_1): Declare.
12314 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12316 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
12318 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
12319 arguments to `current_file_function_operand'.
12321 * genrecog.c: Include hard-reg-set.h and resource.h in the
12322 generated output file.
12324 * real.c: Include tm_p.h.
12326 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12328 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
12331 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
12333 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
12334 before the fctiwz insn.
12336 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12337 Mark Mitchell <mark@codesourcery.com>
12339 * tree.c (make_lang_type_fn): New funtion pointer.
12340 (make_lang_type): Call it.
12341 * tree.h (make_lang_type): Declare.
12342 (make_lang_type_fn): Likewise.
12343 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
12345 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
12347 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
12348 make sure that HIGH instructions are copied into BASE_REGS.
12350 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
12352 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
12354 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
12356 * c-decl.c (finish_struct): Use simpler method of
12357 removing elements of a singly-linked list.
12359 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
12361 * alpha.md (peephole2's): Comment out peephole2's that generate
12364 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
12366 * genrecog.c (add_to_sequence): Disable mode check for
12369 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12371 * ggc-simple.c (init_ggc): Set empty_string.
12373 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
12375 * configure.in: Detect mmap. Add --with-gc=foo to select
12376 garbage collector; default to page if mmap available.
12377 * Makefile.in (GGC): Substitute.
12379 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
12381 * c-decl.c (ggc_p): Enable.
12383 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12385 * flow.c (verify_flow_info): Make it extern & unconditionally define.
12387 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
12389 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
12390 string for little-endian-data.
12392 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
12394 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
12395 case somebody tries to compile --enable-checking code with gcc
12398 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
12400 * genrecog.c (add_to_sequence): Verify operand to label_ref is
12403 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
12405 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
12406 * jump.c (jump_optimize_1): Document why.
12408 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12410 * collect2.c (scan_prog_file, scan_libraries): Prototype function
12411 pointers and casts for `int_handler' and `quit_handler'.
12413 * flow.c (verify_flow_info, split_hard_reg_notes,
12414 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
12415 remove_edge, remove_fake_successors): Add static prototypes.
12416 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
12417 (mark_set_1): Initialize variable `regno'.
12418 (unlink_insn_chain): Likewise for variable `curr'.
12419 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
12421 * loop.c (strength_reduce): Initialize variable
12422 `unrolled_insn_copies'.
12423 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
12424 prototypes. Change these functions to take const PTR parameters
12425 to avoid prototype conflict when used as the comparson argument
12427 (check_dbra_loop): Initialize variable `comparison_val'.
12429 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
12430 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
12431 (find_valid_class): Initialize variable `best_class'.
12432 (find_reloads): Call memcpy, not bcopy.
12434 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
12435 (hard_reg_use_compare): Don't needlessly cast away const.
12436 (reload_reg_class_lower): Likewise.
12437 (choose_reload_regs): Initialize variable `regno'.
12439 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
12441 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
12443 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
12445 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
12446 ({,d}discard): Add forward declarations. Declare parameter as
12448 (main_without_main): Explicitly declare return type to be int.
12449 (memcpy): Properly declare.
12451 * libgcc2.c (toplevel): If inhibit_libc is defined and not
12452 building the trampoline support, declare malloc, free, and
12454 (__clear_cache): Mark arguments as potentially unused.
12456 * frame.c (toplevel): If inhibit_libc is defined, declare
12459 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
12461 * flow.c (make_edge): Accept an optional 2D bitmap in which
12462 to cache edge existence. Update all callers.
12463 (make_label_edge, make_eh_edge): Pass through the edge cache.
12464 (make_edges): Provide the cache.
12466 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12468 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
12470 (local_mbtowc): Change the type of variable `i' from int to size_t.
12472 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
12473 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
12475 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
12477 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
12478 after other includes that define the appropriate types. Include
12479 tm_p.h for getting user prototypes.
12480 * ggc-callbacks.c (toplevel): Ditto.
12481 * ggc-none.c (toplevel): Ditto.
12482 * gcc-page.c (toplevel): Ditto.
12483 * ggc-simple.c (toplevel): Ditto.
12485 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
12486 Jonathan Larmour <jlarmour@cygnus.co.uk>
12488 * config/mips/mips.c (mips_move_2words): Split doubles if
12489 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
12491 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
12493 * genrecog.c (struct decision_test): New.
12494 (struct decision): Remove test-related members, sort the rest by size.
12495 (IS_SPLIT): Simplify.
12496 (new_decision, new_decision_test): New.
12497 (add_to_sequence): Use them. No special handling for args of
12499 (maybe_both_true): Renamed from not_both_true; return sense changed.
12500 (maybe_both_true_1, maybe_both_true_2): New. Broken out
12501 of maybe_both_true and adjusted for decision_test.
12502 (position_merit): Remove.
12503 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
12504 (merge_accept_insn): New, broken out of merge_trees.
12505 (merge_trees): Use them. No special case for c_test; no node
12506 splitting; use test type instead of position_merit.
12507 (factor_tests): New.
12508 (simplify_tests): New.
12509 (break_out_subroutines): Don't write code now.
12510 (find_afterward): New.
12511 (write_afterward, write_switch, write_cond): New.
12512 (write_action, is_unconditional): New.
12513 (write_node): New. Use them.
12514 (write_tree_1): Rewrite. Use the new functions above.
12515 (write_tree): Remove afterward processing.
12516 (write_subroutine): Simplify function variant emission.
12517 (write_subroutines): New.
12518 (same_codes, clear_codes): Remove.
12519 (same_modes, clear_modes): Remove.
12520 (write_header): New, broken out of main.
12521 (make_insn_sequence): Use new_decision and new_decision_test.
12522 (process_tree): New, broken out of main.
12523 (main): Adjust for merge_trees interface change.
12524 Don't #define operands in the output file.
12525 (record_insn_name): New, broken out of make_insn_sequence.
12526 (debug_decision_2, debug_decision_1, debug_decision_0): New.
12527 (debug_decision): New.
12529 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
12531 * resource.c (find_free_register): Mark class_str argument const.
12532 * resource.h: Update prototype to match.
12534 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
12535 * i386.md: Give all anonymous insns names.
12537 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
12539 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
12542 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
12544 * toplev.c (dbr_sched_time): Unconditional.
12545 (peephole2_time): New.
12546 (compile_file): Add pass numbers to all of the dump file suffixes.
12547 Dump peephole2_time. Don't dump times for non-applicable passes.
12548 (rest_of_compilation): Add pass numbers to dump file suffixes.
12549 Conditionalize calls to the scheduler.
12550 * invoke.texi: Update.
12552 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
12554 * flow.c (make_edges): Fix insn iteration.
12555 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
12556 (find_basic_blocks_1): Fix spelling mistake.
12558 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
12560 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
12561 always have side-effects. Use memset not bzero.
12562 (make_node): Likewise.
12564 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
12566 * stmt.c (expand_anon_union_decl): When any of the elements of the
12567 union is addressable, so is the entire union.
12569 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
12571 * sbitmap.c (sbitmap_ones): Don't set too many bits.
12573 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
12574 * bitmap.c (bitmap_operation): Return true iff TO changed.
12575 (bitmap_equal_p): New.
12576 (bitmap_bit_p): Tidy arithmetic.
12577 (debug_bitmap_file): Likewise.
12579 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
12581 * toplev.c (rest_of_compilation): Turn on cse_not_expected
12582 before cse2 instead of after.
12584 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
12586 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
12589 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12591 * cppinit.c (is_idchar initializer): Loosen tests to accept
12594 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
12596 * mips.md: Define conditional move patterns for floating point
12597 operands and DI mode conditions.
12599 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
12601 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
12602 always have side-effects.
12604 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
12606 * mn10200.c (asm_file_start): Fix typo.
12608 * cppinit.c (is_idchar initializer): Tighten tests for when
12609 to put the table into initialized memory.
12611 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
12612 not an array of rtunion.
12613 * gcc-page.c (ggc_alloc_rtvec): Similarly.
12614 * gcc-simple (ggc_free_rtvec): Similarly.
12616 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
12619 * mbchar.h: Add missing #endif.
12621 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
12622 (FPBIT, DPBIT): Define.
12624 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12626 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
12628 * profile.c (instrument_arcs, output_gcov_string,
12629 tablejump_entry_p): Add static prototypes.
12630 (output_gcov_string): Constify a char*.
12632 * regmove.c (replacement_quality, fixup_match_2): Add static
12635 * resource.h (reg_dead_p): Add extern prototype.
12637 * rtl.c (trim_filename): Add static prototype.
12639 * scan-decls.c (skip_to_closing_brace): Likewise.
12641 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
12642 (expand_end_case): Initialize variable `range'.
12643 (emit_case_nodes): Remove unused prototype `rtx_fn'.
12645 * varasm.c (asm_emit_uninitialised): Add static prototype.
12646 (asm_emit_uninitialised, assemble_variable): Mark parameter with
12649 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12651 * cpplib.c (if_directive_nameo): Add static prototype.
12653 * cse.c (cse_insn): Remove unused variable `p'.
12655 * except.c (create_rethrow_ref, push_entry,
12656 receive_exception_label, new_eh_region_entry, find_func_region,
12657 clear_function_eh_region, process_nestinfo): Add static prototypes.
12658 (get_reg_for_handler): Hide definition.
12659 (process_nestinfo): Initialize variable `extra_handlers'.
12661 * expr.h (expand_builtin_longjmp): Add extern prototype.
12663 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
12665 * function.c (prepare_function_start): Likewise.
12666 (pop_function_context_from): Mark parameter `context' with
12668 (push_temp_slots_for_block, flush_addressof): Hide definition.
12670 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
12671 solve_program_flow_graph, calculate_branch_probs,
12672 function_summary, main, fancy_abort): Add prototypes.
12674 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
12675 (add_hash): Constify a char*.
12677 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
12678 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
12679 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
12681 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
12683 * lists.c (free_list, zap_lists): Likewise.
12685 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12687 * alias.c (nonlocal_reference_p): Add static prototype.
12689 * bitmap.c (bitmap_element_allocate): Prototype args in function
12692 * builtins.c (stabilize_va_list): Add static prototype.
12693 (expand_builtin_va_arg): Constify a char*.
12695 * c-lex.c (getch, put_back, extend_token_buffer_to,
12696 read_line_number, token_getch, token_put_back): Add static
12699 * c-parse.gperf (hash, is_reserved_word): Likewise.
12701 * cccp.c (is_dir_separator): Likewise.
12703 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12705 * graph.h: New file to prototype functions exported by graph.c.
12707 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
12709 * graph.c: Include graph.h.
12711 * toplev.c: Likewise. Remove redundant prototypes.
12713 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
12715 * invoke.texi: Removed duplicated description for -Q.
12717 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
12719 * extend.texi: Grammar fix in __extension__ text.
12721 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
12723 * md.texi (define_peephole2): New section.
12725 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
12727 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
12728 (mov $-1 to or peepholer): Enable for pentium when optimizing for
12731 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
12733 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
12735 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
12737 * i386.md (ffs expander): Emit Pentium friendly code for
12740 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
12742 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
12744 (build1): Likewise.
12746 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12748 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
12750 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
12752 * config/m68k/m68k.c (use_return_insn): Return false if the pic
12753 register is in use.
12755 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12757 * md.texi (No Constraints): Delete section.
12758 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
12759 * final.c (final_scan_insn): We always have register constraints.
12760 * genattrtab.c: Don't include "insn-config.h".
12761 (write_attr_case): We always have register constraints.
12762 * genconfig.c (register_constraint_flag): Delete.
12763 (walk_insn_part): Don't check whether we have register constraints.
12764 (main): Don't write out "#define REGISTER_CONSTRAINTS".
12765 * genoutput.c (have_constraints): Delete.
12766 (main): Don't set it.
12767 (output_operand_data): We always have constraints.
12768 (scan_operands): Likewise.
12769 (compare_operands): Likewise.
12770 * local-alloc.c (block_alloc): We always have constraints.
12771 (requires_inout): Always compile this function.
12772 * recog.c (extract_insn): We always have constraints.
12773 (constrain_operands, reg_fits_class_p): Always compile these
12775 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
12777 (struct insn_operand_data): Likewise.
12778 * regclass.c (regclass): We always have constraints.
12779 (record_reg_classes, copy_cost, record_address_regs,
12780 auto_inc_dec_reg_p): Always compile these functions.
12781 * regmove.c (regmove_optimize): We always have constraints.
12782 * reload.c (find_reloads): Likewise.
12783 * reload1.c (reload): Likewise.
12784 (reload_cse_simplify_operands): Likewise.
12785 * i860.c (output_delay_insn): Likewise.
12787 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
12789 * iris6.h (BUILD_VA_LIST_TYPE): Define.
12791 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12793 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
12794 for the va_list record.
12796 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
12798 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
12801 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
12803 * alias.c: Include insn-flags.h.
12804 * Makefile.in (alias.o): Update.
12806 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
12808 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
12809 to LTU and GEU. Handle more cases using sbb.
12811 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
12813 * i386.md (truncatexfdf splitters): Do not use subreg.
12814 (fop XFmode patterns): Fix mode in operand testing.
12816 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
12818 * jump.c (jump_optimize_1): Amend last change to test only the
12819 form of the operand, not the insn.
12821 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
12822 not register_operand to determine when B may need preloading.
12824 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
12826 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
12827 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
12828 (call-value patterns): Move to end of file.
12829 (*): Remove mode from label_ref in (pc) context.
12830 (movstrqi): Use memory not general_operand for BLKmode operands.
12831 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
12832 to register_operand operands.
12833 (peep2 patterns): Convert from commented-out peephole patterns.
12835 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12837 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
12838 to BUILT_IN_INIT_DWARF_REG_SIZES.
12839 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
12840 Renamed from BUILT_IN_DWARF_REG_SIZE; call
12841 expand_builtin_init_dwarf_reg_sizes.
12842 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
12843 with __builtin_init_dwarf_reg_size_table.
12844 * dwarf2out.c (struct reg_size_range): Delete.
12845 (expand_builtin_init_dwarf_reg_sizes): New function.
12846 (expand_builtin_dwarf_reg_size): Delete.
12847 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
12848 (expand_builtin_dwarf_reg_size): Don't declare.
12849 * libgcc2.c (dwarf_reg_size_table_initialized): New.
12850 (dwarf_reg_size_table): New.
12851 (init_reg_size_table): New function.
12852 (copy_reg): Use dwarf_reg_size_table.
12853 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
12856 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
12858 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
12859 Correctly build argument list to constructor and destructor functions.
12861 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
12863 * c-tree.h (warn_float_equal): Declare.
12864 * c-decl.c (warn_float_equal): Define.
12865 (c_decode_option): Recognize -W[no-]float-equal.
12866 * c-typeck.c (build_binary_op): Conditionally warn
12867 about equality tests of floating point types.
12868 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
12869 * invoke.texi: Add docs for -Wfloat-equal warning.
12871 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
12873 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
12874 generating RTL directly.
12875 * mips.h (INIT_TARGET_OPTABS): Likewise.
12876 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
12878 * expr.h (init_mov_optab): Delete declaration
12880 * h8300.c (WORD_REG_USED): Update to avoid useless register
12881 saves in interrupt functions and functions which never return.
12883 * cse.c (struct set): Delete inner_dest_loc field.
12884 (cse_insn): Remove assignments to inner_dest_loc field.
12886 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
12888 * ggc-page.c: Don't include <unistd.h> etc taken care of
12889 by "system.h". Include <sys/mman.h> afterward.
12891 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
12893 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
12896 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
12898 * xcoffout.c (xcoffout_declare_function): Add documentation.
12899 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
12900 TARGET_64BIT. Compare constant to -1, not bit pattern.
12901 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
12902 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
12905 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
12907 * dwarf2out.c (add_abstract_origin_attribute): Abort if
12908 origin_die is NULL.
12909 (gen_inlined_enumeration_type_die): Do not abort if the type has
12910 not been writeen out.
12911 (gen_inlined_structure_type_die): Do not abort if the type has
12912 not been writeen out.
12913 (gen_inlined_union_type_die): Do not abort if the type has
12914 not been writeen out.
12915 (gen_tagged_type_instantiation_die): Do not abort if the type
12916 has not been written out.
12918 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12920 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
12922 * reg-stack.c (straighten_stack): Copy hard reg set with
12925 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
12927 * builtins.c (stabilize_va_list): Stabilize array type va_list
12928 to a pointer type, not the base record type.
12929 (expand_builtin_va_copy): Dereference the pointers explicitly;
12930 use the correct size for the copy.
12932 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
12933 (rs6000_va_arg): Likewise.
12935 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
12937 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
12939 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
12941 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
12943 (DECL_BUILT_IN_CLASS): Adjust accordingly.
12945 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
12947 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
12948 (init_ggc): Use it instead of a constant.
12949 (ggc_collect): Bound allocated_last_gc by it.
12951 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
12953 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
12956 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
12958 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
12959 (mips*-*-openbsd*): Let big endian configuration be a fragment.
12960 * configure: Regen.
12961 * config/mips/openbsd.h: New, OpenBSD little endian target.
12962 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
12963 * config/mips/xm-openbsd.h: New, OpenBSD host.
12965 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
12967 * config/m68k/m68k.c (output_function_prologue,
12968 output_function_epilogue): Use
12969 current_function_uses_pic_offset_table instead of regs_ever_live
12970 to decide whether to save/restore pic register.
12971 (legitimize_pic_address): Don't modify regs_ever_live any more.
12973 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
12975 * function.h (struct function): Add x_dont_save_pending_sizes_p.
12976 * stor-layout.c (variable_size): Don't add sizes to the pending
12977 sizes list if x_dont_save_pending_sizes_p is set.
12979 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
12981 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
12982 for symbolic_operand().
12983 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
12985 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12987 * combine.c (gen_rtx_combine): Add missing call to va_end().
12989 * final.c (asm_fprintf): Likewise.
12991 * genattrtab.c (attr_rtx): Likewise.
12993 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
12995 * cse.c: Update comments.
12996 (cse_insn): When converting a conditional/computed jump into
12997 an unconditional jump, always make sure a BARRIER immediately
12998 follows the converted jump. Do not delete unreachable code.
12999 (cse_basic_block): Do not delete unreachable code.
13000 * toplev.c (rest_of_compilation): Move call to
13001 delete_trivially_dead_insns after the conditional call to
13004 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13006 * collect2.c (make_temp_file): Don't prototype.
13008 * gcc.c (make_temp_file): Likewise.
13010 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
13012 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
13014 * varasm.c (asm_emit_uninitialised): New function: Generate
13015 the assembler statements necessary to declare an uninitialised
13017 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
13019 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
13020 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
13022 (assemble_variable): Use asm_emit_uninitialised to emit an
13023 uninitialised variable.
13025 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
13027 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
13028 constant on a 64 bit host. Patch supplied by Geoffrey Keating
13029 <geoffk@cygnus.com>.
13031 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13033 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
13034 * c-common.h (builtin_function): Don't declare.
13036 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
13038 (pushdecl): Likewise.
13039 (finish_decl): Likewise.
13040 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
13041 int. All callers changed.
13042 Set the builtin's DECL_BUILT_IN_CLASS.
13043 * tree.h (enum built_in_class): New.
13044 (enum built_in_function): Delete NOT_BUILT_IN.
13045 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
13047 (DECL_SET_FUNCTION_CODE): Likewise.
13048 (DECL_BUILT_IN_CLASS): New macro.
13049 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
13050 (struct tree_decl): Split builtin function code field into a
13052 (builtin_function): Declare.
13054 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
13056 * optabs.c (init_traps): Fix typo in last change.
13058 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
13060 * toplev.c (rest_of_decl_compilation): Update comment.
13062 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
13064 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
13065 in .sbss if appropriate.
13066 (EXTRA_SECTION_FUNCTIONS): Add sbss.
13067 (SBSS_SECTION_ASM_OP): New macro.
13068 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
13069 (EXTRA_SECTIONS): Add in_sbss.
13070 * config/mips/mips.h: Prototype sbss_section.
13072 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
13074 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
13077 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
13079 * optabs.c (init_traps): Register trap_rtx as a GC root.
13081 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13083 * config/mips/mips.c (function_arg_pass_by_reference): Define
13084 unconditionally, since it's called unconditionally.
13086 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
13088 * toplev.c (documented_lang_options): Add -fshort-wchar.
13089 * c-decl.c (c_decode_option): Likewise.
13090 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
13092 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
13093 * gcc.c (default_compilers): If -fshort-wchar,
13094 override __WCHAR_TYPE__.
13095 * tm.texi (C Dialect Options): Add -fshort-wchar.
13097 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
13098 symbol for a variable.
13100 * cpplib.h (CPP_PREPROCESSED): New macro.
13101 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
13102 we're seeing this input for a second time.
13104 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
13106 * emit-rtl.c (init_emit_once): Initialize modes first.
13108 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
13110 * config/i386/i386.c (pic_label_name): Change to char pointer.
13111 (global_offset_table): New variable.
13112 (load_pic_register): Fill global_offset_table if it hasn't
13113 already been done. Allocate pic_label_name dynamically.
13114 * ggc.h (empty_string): New variable.
13115 * ggc-simple.c (empty_string): Likewise.
13116 (init_ggc): Allocate empty_string and add as root.
13117 * stmt.c (digit_strings): New variable.
13118 (init_stmt): Add last_block_end_note as root. Allocate and
13119 initialize digit_strings.
13120 (expand_asm_operands): Use empty_string instead of string
13121 constant. Use digit_strings instead of string constants.
13122 * profile.c (init_arc_profiler): Allocate string with
13123 ggc_alloc_string instead of xmalloc.
13124 (output_func_start_profiler): Likewise.
13125 * c-typeck.c (digest_init): Check if init is error_mark_node.
13127 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
13128 Richard Henderson <rth@cygnus.com>
13130 * ggc-page.c: New file.
13131 * Makefile.in (ggc-page.o): New.
13133 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
13135 * invoke.texi: Document -fdelete-null-pointer-checks
13136 * toplev.c (flag_delete_null_pointer_checks): New.
13137 (f_options): Add entry for -fdelete-null-pointer-checks.
13138 (rest_of_compilation): Conditionalize null pointer check
13139 elimination on flag_delete_null_pointer_checks.
13140 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
13142 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
13144 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
13145 copyright notice and special exception to GPL.
13147 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13149 * abi64.h (mips_function_value): Add prototype arguments.
13151 * mips-protos.h: New file with mips prototypes.
13153 * mips.c: Include "tm_p.h".
13154 (mktemp, lookup_name): Add prototype arguments.
13155 (extern_list, string_constant, mips_fill_delay_slot,
13156 mips_output_external, mips_output_external_libcall,
13157 mips_output_filename, mips_declare_object, function_prologue,
13158 mips_expand_prologue, function_epilogue, mips16_constant,
13159 build_mips16_function_stub, mips_output_conditional_branch):
13161 (mips_va_start): Remove unused variable `u'.
13162 (mips_va_arg): Cast value to unsigned when comparing against one.
13164 (save_restore_insns, mips_expand_prologue): Add missing arg in
13165 call to `large_int'.
13167 * mips.h: Move prototypes to mips-protos.h.
13168 (data_section, memory_address_p, rdata_section,
13169 readonly_data_section, simple_epilogue_p, text_section): Delete
13170 prototypes delcared elsewhere.
13171 (mips_epilogue_delay_slots, print_options): Delete unused decls.
13173 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
13175 * mips.md: Delete extra args in call to `mips_move_2words'.
13177 * xm-iris6.h (alloca): Add prototype argument.
13179 * genpeep.c: Include "tm_p.h" in generated output file.
13181 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13183 * basic-block.h (find_edge_index): Change parameters.
13184 * flow.c (verify_edge_list): Pass basic_block parameters to
13185 find_edge_index instead of integers.
13187 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
13189 * combine.c (simplify_comparison): Use an unsigned shift to adjust
13192 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
13194 * gcc.1: Fix a formatting error.
13196 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13198 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
13199 i786, mn10200, mn10300, pdp11, v850.
13201 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
13203 * libgcc2.c (num_digits): Add prototype with
13204 __attribute__((const)).
13205 (__terminate): Add prototype.
13207 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
13209 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
13211 * alpha/alpha.c (print_operand): Fix type of `code'.
13212 (alpha_output_filename): Constify.
13213 * alpha/alpha.h: Move all function declarations ...
13214 * alpha/alpha-protos.h: ... here. New file.
13215 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
13216 (SECTION_FUNCTION_TEMPLATE): Likewise.
13218 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13220 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
13221 * expr.c (expand_expr): Likewise.
13222 (do_jump): Likewise.
13223 (do_store_flag): Pass ccp_store_flag to can_compare_p.
13224 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
13226 (enum can_compare_purpose): New.
13227 (can_compare_p): Adjust prototype.
13228 (prepare_cmp_insn, prepare_operand): Declare.
13229 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
13230 * optabs.c (cmp_available_p): Deleted.
13231 (expand_abs): Pass ccp_jump to can_compare_p.
13232 (can_compare_p): New arg PURPOSE. Check for combined optabs.
13233 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
13234 Call can_compare_p rather than cmp_available_p.
13235 (prepare_operand): No longer static.
13236 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
13237 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
13238 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
13239 sequence to use emit_cmp_and_jump_insns.
13240 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
13242 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
13244 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
13245 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
13246 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
13247 (plus (reg) (const_int 0))
13248 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
13250 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
13252 * rs6000.c (expand_block_move): DImode loads and stores require
13253 word-aligned displacements. Increment address registers with
13254 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
13256 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
13258 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
13259 is no name for the base type, rather than segfault. If we are
13260 writing out a complex integer type, use DW_ATE_lo_user.
13262 * expr.c (emit_move_insn_1): If we are copying a complex that fits
13263 in one word or less (complex char, complex short, or on 64 bit
13264 systems complex float) to/from a hard register, copy it through
13265 memory instead of dying in gen_{real,imag}part. If we have a
13266 short complex type, prevent inlining since it allocates stack
13269 * tree.c (build_complex_type): If we are writing dwarf2 output,
13270 generate a name for complex integer types.
13272 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13274 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
13275 * flow.c (remove_edge): Remove extra whitespace.
13276 (remove_fake_edges): Fix comment.
13277 (add_noreturn_fake_exit_edges): Use the correct name.
13279 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
13281 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
13282 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
13283 (clean): Depend on INTL_CLEAN.
13284 (maintainer-clean): Adjust.
13286 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13288 * configure.in (AC_PREREQ): Bump to 2.13.
13289 (AC_C_STRINGIZE): Call this instead of using a custom macro.
13291 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
13293 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
13295 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
13297 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
13298 (HAVE_STRINGIZE): Define.
13300 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
13302 * c-parse.in: save and restore warn_pointer_arith on __extension__
13303 along with pedantic.
13304 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
13305 Set the type of extension to itype rather than $<itype>1 kludge.
13306 * extend.texi (Alternate Keywords): Adjust documentation.
13307 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
13309 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
13311 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
13312 most assembler templates.
13314 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
13315 FP loads and stores.
13316 (following_call): Always return zero for the PA8000.
13317 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
13318 FP loads and stores.
13319 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
13321 * pa.h (BRANCH_COST): Define.
13323 * pa.md (return, return_internal): Use bve for PA2.0.
13325 * pa.md (fused multiply): Add variants which reduce height for the
13326 fused multiply, but which still generate 2 insns.
13327 (fnegabs): Similarly.
13329 * pa.md (subsi3): Turn into an expander. Create two anonymous
13330 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
13331 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
13333 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
13335 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
13337 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
13338 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
13340 * regclass.c (init_regs): Add "top_of_stack" as a garbage
13343 * flow.c (record_active_eh_regions): Terminate loop after finding
13344 the last insn in the last basic block.
13346 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13348 * config/c4x/c4x.md: Delete parallel instruction peepholes.
13350 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13352 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
13354 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13356 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
13357 splitting to not use output template.
13359 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13361 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
13362 * config/c4x/c4x.c (c4x_va_start): New function.
13364 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
13366 * genrecog.c (not_both_true): Handle correctly cases when called for
13367 tests with different positions in the insn.
13369 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13371 * machmode.h (HOST_PTR_PRINTF): Move from here ...
13373 * system.h (HOST_PTR_PRINTF): ... to here.
13375 * mips-tfile.c: Don't include machmode.h.
13377 * Makefile.in (MACHMODE_H): New variable. Update to use it.
13378 (mips-tfile.o): Don't depend on machmode.h.
13380 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13382 * haifa-sched.c (sched_analyze): Rename local variable `region' to
13383 avoid conflicts with typedef struct `region' at the top level scope.
13385 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
13387 * basic-block.h (basic_block): Add eh_beg, eh_end.
13388 * flow.c (entry_exit_blocks): Update.
13389 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
13390 Call new functions.
13391 (find_basic_blocks_1): Don't record eh_list at each bb. Use
13392 lists.c functions to allocate insn lists.
13393 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
13395 (make_eh_edge): ... here. New.
13396 (move_stray_eh_region_notes): New.
13397 (record_active_eh_regions): New.
13398 (delete_unreachable_blocks): Split out block merging ...
13399 (try_merge_blocks): ... here. New.
13400 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
13401 Dump debugging data.
13402 (merge_blocks_move_successor_nojumps): Likewise.
13403 (merge_blocks): Use eh_beg+eh_end to validate block movement.
13405 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13407 * extend.texi (Bound member functions): Document unbound pmf
13410 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13412 * flow.c (split_edge): Handle insertion on a fallthrough edge which
13413 has the EXIT_BLOCK as a dest.
13415 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13417 * flow.c (remove_edge): New function to remove an edge from the
13419 (remove_fake_successors): New function to remove fake successor edges.
13420 (remove_fake_edges): New function to remove all fake edges from the
13422 (add_fake_exit_edges): New function to add fake edges from all blocks
13423 with no successors to the exit block.
13424 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
13425 prototypes for new functions.
13427 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13429 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
13430 Use Pmode to determine whether to output .dword or .word.
13432 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
13434 * tree.c (built_in_filename): New variable.
13435 (BUILT_IN_FILENAME): New macro.
13436 (init_tree_codes): Allocate built_in_filename.
13437 (make_node): Use built_in_filename instead of string constant.
13439 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
13441 * configure.in: Add fr30 target.
13442 * configure: Regenerate.
13443 * config/fr30: New directory.
13444 * config/fr30/crti.asm: New file.
13445 * config/fr30/fr30.c: New file.
13446 * config/fr30/crtn.asm: New file.
13447 * config/fr30/fr30.h: New file.
13448 * config/fr30/fr30.md: New file.
13449 * config/fr30/lib1funcs.asm: New file.
13450 * config/fr30/t-fr30: New file.
13451 * config/fr30/xm-fr30.h: New file.
13453 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
13455 * flow.c (merge_blocks_move_successor_nojumps): Delete the
13456 BARRIER at the end of the successor, not the BARRIER before
13459 * pa.c (pa_add_gc_roots): Fix thinko in last change.
13461 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
13463 * stmt.c (any_pending_cleanups): Don't crash when
13464 current_function->stmt is unset.
13466 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13468 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
13469 other initializations that may use it for relative offsets.
13471 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13473 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
13474 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
13475 * config/i386/sol2dbg.h: Removed.
13476 * config/i386/sol2gas.h: New file, to enable gas work-around.
13477 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
13478 Don't use sol2dbg.h.
13479 * configure: Rebuilt.
13481 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
13483 * invoke.texi (-fthis-is-variable): Remove documentation.
13485 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
13487 * basic-block.h (compute_bb_for_insn): Declare.
13488 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
13489 to use; set size of basic_block_for_insn directly.
13490 (find_basic_blocks): Update.
13492 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13494 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
13496 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13498 * crtstuff.c (ON_EXIT): Delete empty macro definition.
13499 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
13501 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
13503 * c-decl.c (c_decode_option): Extend comment.
13505 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
13507 * toplev.c (progname): Make 'const char *'
13508 (flag_print_mem): Move out of main.
13509 (version_flag): Move out of main.
13510 (filename): Move out of main.
13511 (debug_args): Remove g prefix from options.
13512 (documented_lang_options): Remove cpplib specific options.
13513 (display_help): Add g prefix to debug options.
13514 (check_lang_option): Delete this function.
13515 (decode_d_option): New function: Decode -d... option.
13516 (decode_f_option): New function: Decode -f... option.
13517 (decode_W_option): New function: Decode -W... option.
13518 (decode_g_option): New function: Decode -g... option.
13519 (independent_decode_option): New function: Decode a language
13520 independent command line option.
13521 (main): Invoke lang_decode_option and then
13522 independent_decode_option on each command line option in
13525 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
13527 Revert this change. Gavin's patch to operand_equal_p is a better fix.
13528 * fold-const.c (fold_range_test): Do not try to fold the range
13529 test if the rhs or lhs has side effects.
13531 * basic-block.h (compute_flow_dominators): Declare.
13533 * gcse.c (alloc_code_hoist_mem): New function.
13534 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
13535 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
13536 (hoist_code, one_code_hoisting_pass): Likewise.
13537 (gcse_main): If optimizing for size, then hoist expressions
13538 computed in multiple dominated basic blocks.
13540 * gcse.c (invalid_nonnull_info): New function.
13541 (delete_null_pointer_checks): Likewise.
13542 * rtl.h (delete_null_pointer_checks): Declare.
13543 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
13545 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
13546 (merge-blocks_move_successor_nojumps): Likewise.
13547 (merge_blocks): Allow merging of some blocks, even if it requires
13548 physical movement of the blocks, but not if it requires new jumps.
13550 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
13551 Callers and prototype changed.
13552 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
13554 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13556 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
13557 -YP when both -p and -pg are present. From i386/sol2.h.
13559 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13561 * Makefile.in (distclean): Delete tm_p.h.
13562 * configure.in: Create a new file, "tm_p.h", from a list in
13563 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
13564 "i386/i386-protos.h".
13566 * alias.c: Include "tm_p.h".
13567 * c-typeck.c: Likewise.
13568 * calls.c: Likewise.
13570 * emit-rtl.c: Likewise.
13571 * explow.c: Likewise.
13572 * expmed.c: Likewise.
13573 * expr.c: Likewise.
13574 * final.c: Likewise.
13575 * flow.c: Likewise.
13576 * fold-const.c: Likewise.
13577 * function.c: Likewise.
13578 * gcse.c: Likewise.
13579 * global.c: Likewise.
13580 * haifa-sched.c: Likewise.
13581 * integrate.c: Likewise.
13582 * jump.c: Likewise.
13583 * local-alloc.c: Likewise.
13584 * loop.c: Likewise.
13585 * optabs.c: Likewise.
13586 * recog.c: Likewise.
13587 * reg-stack.c: Likewise.
13588 * regclass.c: Likewise.
13589 * regmove.c: Likewise.
13590 * reload.c: Likewise.
13591 * reload1.c: Likewise.
13592 * reorg.c: Likewise.
13593 * resource.c: Likewise.
13594 * stmt.c: Likewise.
13595 * stor-layout.c: Likewise.
13596 * toplev.c: Likewise.
13597 * tree.c: Likewise.
13598 * unroll.c: Likewise.
13599 * genattrtab.c (main): Make generated file include "tm_p.h".
13600 * genemit.c (main): Likewise.
13601 * genoutput.c (main): Likewise.
13602 * genrecog.c (main): Likewise.
13604 * i386.h: Delete all prototypes.
13605 * i386.c: Include "tm_p.h".
13606 (ix86_attr_length_default): Call constant_call_address_operand
13607 with correct number of arguments.
13608 * i386-protos.h: New file.
13609 * i386.md (unnamed patterns): Call constant_call_address_operand
13610 with correct number of arguments.
13611 (exception_receiver): Call load_pic_register with correct number
13614 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
13616 * c-pragma.c (mark_align_stack): Dereference the void* properly.
13618 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
13620 * rtl.h (insns_safe_to_move_p): New function.
13621 * loop.c (find_and_verify_loops): Use it.
13622 * rtlanal.c (insns_safe_to_move_p): Define it.
13624 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
13626 * c-pragma.c: Include ggc.h.
13627 * Makefile.in (c-pragma.o): Update.
13629 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13631 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
13632 (LIB_SPEC): Likewise.
13633 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
13634 Reindent -YP/-p/-pg.
13635 Copied from config/sparc/sol2.h.
13637 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
13639 * c-pragma.c (mark_align_stack): New.
13640 (init_pragma): New.
13641 * c-pragma.h (init_pragma): Declare it.
13642 * c-lex.c (init_parse): Call it.
13644 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13646 * configure.in: Pick up thread library on Solaris/x86 just
13647 like on Solaris/sparc.
13648 * configure: Rebuilt.
13650 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
13652 * rtl.h (global_rtx_index): New enum.
13653 (global_rtl): Change to array of rtx.
13654 (pc_rtx, cc0_rtx): Redefine accordingly.
13655 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
13656 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
13657 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
13658 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
13659 (const_int_rtx): Change to array of rtx.
13660 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
13662 * emit-rtl.c (global_rtl): Change to array of rtx.
13663 (const_int_rtx): Change to aray of rtx.
13664 (gen_rtx_CONST_INT): Redefine accordingly.
13665 (init_emit_once): Allocate and initialize global_rtl. Likewise
13666 for const_int_rtx. Add both as GC roots.
13667 * genattrtab.c (global_rtl): Update declaration.
13669 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
13671 * Makefile (USER_H): Add iso646.h back.
13673 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
13675 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
13676 zapping the LOG_LINKS of sched_before_next_call.
13678 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
13679 * pa.c (insn_refs_are_delayed): Renamed from
13680 insn_sets_and_refs_are_delayed.
13682 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
13684 * functiion.h (struct function): Add x_whole_function_mode_p.
13685 (retrofit_block): Declare.
13686 * function.c (retrofit_block): New function.
13687 (identify_blocks): Add assertions. Allow an incomplete set of
13688 block notes if we're still generating code for the function.
13689 * integrate.c: Include loop.h.
13690 (expand_inline_function): Call find_loop_tree_blocks to map block
13691 notes to blocks when in whole-function mode. Use retrofit_block
13692 to insert new BLOCKs for the inlined function, rather than
13694 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
13695 * Makefile.in (integrate.o): Depend on loop.h.
13697 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
13699 * tree.h (warn_about_unused_variables): Declare.
13700 * stmt.c (warn_about_unused_variables): New function, split out
13702 (expand_end_bindings): Here.
13704 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
13706 * stmt.c (preserve_subexpressions_p): Don't crash when
13707 current_function->stmt is unset.
13709 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
13711 * stmt.c (expand_start_bindings): Allow callers to pass a flag
13712 indicating that no NOTE_INSN_BLOCK_BEG note is required.
13713 (expand_start_target_temps): Use it.
13714 * except.c (expand_eh_region_start_for_decl): Likewise.
13715 * expr.c (expand_expr): Likewise.
13717 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
13719 * fold-const.c (operand_equal_p): Pay attention to side effects.
13721 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13723 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
13724 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
13726 * tlink.c (scan_linker_output): Look for keywords before accepting
13727 a mangled name in quotes.
13729 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
13731 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
13732 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
13734 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
13736 * alpha.md: Revert Thu Nov 26 change that came in through the
13737 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
13738 Avoid earlyclobber when possible.
13740 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13742 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
13744 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
13745 Define HAVE_ON_EXIT.
13747 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13749 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
13750 CTYPE_CONV in all ctype macros.
13752 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
13755 * cexp.y (initialize_random_junk): Likewise.
13757 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
13759 * i370.c (handle_pragma): Likewise.
13761 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
13763 * v850.c (override_options): Likewise.
13765 * doprint.c (_doprnt): Likewise.
13767 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
13770 * fixinc/server.c (load_data): Likewise.
13772 * fold-const.c (real_hex_to_f): Likewise.
13774 * genattr.c (write_upcase, gen_attr): Likewise.
13776 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
13777 write_upcase): Likewise.
13779 * genemit.c (print_code): Likewise.
13781 * genopinit.c (gen_insn): Likewise.
13783 * genpeep.c (print_code): Likewise.
13785 * genrecog.c (print_code): Likewise.
13787 * optabs.c (init_libfuncs): Likewise.
13789 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
13791 * haifa-sched.c (sched_analyze): Keep the list of notes organized
13793 (reemit_notes): Likewise.
13795 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
13797 * ggc.h (ggc_root): Move to ggc-common.c.
13799 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
13800 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
13801 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
13802 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
13803 * ggc-common.c (ggc_root): Move from ggc.h.
13804 (roots): Declare, static.
13805 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
13806 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
13807 null or check/set mark bit.
13808 (ggc_mark_roots): New.
13809 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
13811 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
13813 * m32r.c: Include toplev.h.
13814 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
13815 (gen_compare): Rename swap_p to must_swap to match uses.
13816 Add default abort case.
13817 (m32r_output_function_epilogue): Remove unused variables.
13818 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
13819 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
13820 define to empty parameter list. Update all uses.
13821 (predicate decls): Use enum machine_mode not int.
13822 * m32r.md (movsi): Call abort, not fatal_insn.
13823 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
13825 1999-09-14 Andrew Haley <aph@cygnus.com>
13827 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
13828 use $0 instead of 0.
13830 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13832 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
13833 computation out of loop over hard regs.
13835 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
13837 * function.c (identify_blocks): Don't shadow a variable in an
13839 * integrate.c (integrate_decl_tree): Don't use pushlevel,
13840 pushdecl, or poplevel to build up the new BLOCK tree.
13841 (expand_inline_function): Likewise.
13842 (integrate_parm_decls): Likewise.
13844 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
13846 * c-typeck.c (qualify_type): Merge qualifiers from both types.
13848 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
13850 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
13851 * invoke.texi: Document this change.
13853 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
13855 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
13857 (mark_emit_status): Renamed from mark_emit_state.
13858 * except.c (mark_eh_status): Renamed from mark_eh_state.
13859 Check not null before marking.
13860 (free_eh_status): New.
13861 * expr.c (mark_expr_status, free_expr_status): New.
13862 * function.c (free_machine_status): New.
13863 (free_after_parsing): New.
13864 (free_after_compilation): Move bits to free_after_parsing; call
13865 free_eh_status, free_expr_status; zero the marked members of the
13867 (prepare_function_start): No can_garbage_collect.
13868 Call init_eh_for_function.
13869 (expand_dummy_function_end): Free up current_function state.
13870 (mark_function_status): Renamed from mark_function_state.
13871 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
13872 * function.h (struct function): No can_garbage_collect.
13873 (free_machine_status, free_after_parsing): Declare.
13874 (free_eh_status, free_expr_status): Declare.
13875 * ggc.h (mark_expr_status): Declare.
13876 * stmt.c (free_stmt_status): Free the struct.
13877 (mark_stmt_status): Renamed from mark_stmt_state.
13878 (init_stmt): Don't call init_eh.
13879 (init_stmt_for_function): Don't call init_eh_for_function.
13880 * toplev.c (compile_file): Call init_eh.
13881 (rest_of_compilation): Free basic block info before ggc_collect.
13882 Call free_after_parsing; conditionally call free_after_compilation.
13883 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
13884 Check not null before marking.
13885 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
13887 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
13889 * c-lex.c (yylex): Initialize warn.
13891 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
13893 * pa.c (emit_move_sequence): Properly set the mode of the scratch
13894 register when performing secondary reloads for the SAR register.
13896 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
13898 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
13899 (NOTE_BLOCK): New macro.
13900 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
13901 * function.h (identify_blocks): Change prototype.
13902 * function.c (identify_blocks): Simplify.
13903 (reorder_blocks): Likewise.
13904 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
13905 NOTE_INSN_BLOCK_{BEG,END}.
13906 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
13907 the list of saved notes if the note isn't a
13908 NOTE_INSN_BLOCK_{BEG,END}.
13909 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
13911 (reemit_notes): Adjust recreation of notes to reflect new saved
13913 * print-rtl.c (print_rtx): Print the address of the BLOCK when
13914 printing a block note.
13915 * stmt.c (block_vector): Remove.
13916 (find_loop_tree_blocks): Simplify.
13917 (unroll_block_trees): Likewise.
13918 * tree.h (reorder_block): Change prototype.
13920 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
13922 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
13923 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
13924 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
13925 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
13926 (atexit, exit): Simplify.
13927 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
13928 * config/lots: Remove defns of HAVE_ATEXIT.
13930 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
13932 * calls.c (precompute_arguments): Fix typo in comment.
13933 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
13936 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
13938 * dsp16xx.c (override_options): Fix typos in GC root registration.
13940 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
13942 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
13943 from config/svr4.h.
13944 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
13945 (FUNCTION_PROFILER): Redefine appropriately for Linux.
13946 (CC1_SPEC): Likewise.
13948 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13950 * genattr.c (main): Add extern prototype. Call return, not exit.
13951 * genattrtab.c (main): Likewise.
13952 * gencheck.c (main): Likewise.
13953 * gencodes.c (main): Likewise.
13954 * genconfig.c (main): Likewise.
13955 * genemit.c (main): Likewise.
13956 * genextract.c (main): Likewise.
13957 * genflags.c (main): Likewise.
13958 * gengenrtl.c (main): Likewise.
13959 * genopinit.c (main): Likewise.
13960 * genoutput.c (main): Likewise.
13961 * genpeep.c (main): Likewise.
13962 * genrecog.c (main): Likewise.
13964 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
13965 * genattrtab.c (get_insn_name): Likewise.
13966 * gencodes.c (get_insn_name): Likewise.
13967 * genconfig.c (get_insn_name): Likewise.
13968 * genemit.c (get_insn_name): Likewise.
13969 * genextract.c (get_insn_name): Likewise.
13970 * genflags.c (get_insn_name): Likewise.
13971 * genopinit.c (get_insn_name): Likewise.
13972 * genpeep.c (get_insn_name): Likewise.
13974 * gencheck.c (usage): Add static prototype.
13975 * genextract.c (print_path): Constify a char*.
13976 * genopinit.c (optabs): Likewise.
13977 * genoutput.c (operand_data, data, output_predicate_decls,
13978 compare_operands): Likewise.
13979 * genrecog.c (write_tree): Add default case in switch.
13981 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13983 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
13985 * print-rtl.c (get_insn_name): Remove prototype.
13987 * toplev.h (progname): Declare const.
13989 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
13990 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
13991 dump_sched_info, dump_local_alloc, regset_release_memory,
13992 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
13993 error_with_file_and_line, error_with_decl, error_for_asm, error,
13994 fatal, warning_with_file_and_line, warning_with_decl, warning,
13995 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
13996 Remove redundant prototypes.
13998 (notice, check_lang_option, report_file_and_line, vnotice,
13999 mark_file_stack): Add static prototype.
14000 (set_fatal_function): Add prototype.
14001 (vnotice, report_file_and_line, set_fatal_function,
14002 check_lang_option): Constify a char*.
14003 (main): Prototype. Call return, not exit.
14005 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14007 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
14009 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
14011 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
14013 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
14015 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14017 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
14018 behave as if it's zero in all cases.
14019 (expand_function_start): Adjust call to assign_parms.
14020 * tree.h (assign_parms): Adjust prototype.
14021 * objc/objc-act.c (hack_method_prototype): Adjust call to
14024 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
14026 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
14027 arg_pointer_rtx fixed if the argument pointer register is
14029 (NONZERO_BASE_PLUS_P): Likewise.
14031 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
14033 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
14034 match_insn2 to match_insn.
14035 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
14037 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
14039 * Makefile.in (USER_H): Remove va-foo.h.
14041 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
14042 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
14043 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
14044 va-spur.h,va-v850.h}: Remove.
14046 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
14048 * sparc/sparc.md (eligible_for_return_delay): New attribute.
14049 (in_return_delay): Use it instead of match_insn.
14051 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14053 * config/alpha/va_list.h (va-alpha.h): Do not include.
14054 (__gnuc_va_list): Typedef as in varargs.h.
14056 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
14058 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
14059 DECL_LIVE_RANGE_RTL.
14061 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
14063 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
14064 not NOTE_BLOCK_NUMBER.
14065 (expand_eh_region_end): Likewise.
14066 (find_exception_handler_labels): Likewise.
14067 (scan_region): Likewise.
14068 (exception_optimize): Likewise.
14069 (update_rethrow_references): Likewise.
14070 (set_insn_eh_region): Likewise.
14071 * final.c (final_scan_insn): Likewise.
14072 * flow.c (make_edges): Likewise.
14073 * integrate.c (expand_inline_function): Likewise.
14074 * print-rtl.c (print_rtx): Likewise.
14076 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
14078 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
14079 terms of builtin functions and types.
14081 * mips.c (mips_build_va_list): New.
14082 (mips_va_start, mips_va_arg): New.
14083 * mips.h (BUILD_VA_LIST_TYPE): New.
14084 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
14086 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
14087 (sh_build_va_list, sh_va_start, sh_va_arg): New.
14088 * sh.h (BUILD_VA_LIST_TYPE): New.
14089 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
14091 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
14093 * recog.h (struct recog_data): Make dup_num, operand_address_p,
14094 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
14095 (struct insn_data): Likewise with n_operands, n_dups,
14096 n_alternatives, output_format.
14097 * regclass.c (scan_one_insn): Cast n_operands to int before
14098 arithmetic inside comparison.
14100 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
14102 * toplev.c (compile_function): Unconditionally emit nop.
14104 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14106 * haifa-sched.c (actual_hazard): Move declaration of variable
14107 `this_cost' into the scope where it is used.
14109 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14111 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
14112 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
14113 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
14115 * genrecog.c (make_insn_sequence): Call memset, not bzero.
14117 * jump.c (find_insert_position): Don't declare or define unless
14118 !HAVE_conditional_arithmetic.
14119 (returnjump_p_1, delete_prior_computation): Add static prototypes.
14121 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
14123 * recog.c (offsettable_address_p): Prototype function pointer.
14124 (preprocess_constraints): Call memset, not bzero.
14126 * tree.c (tree_node_kind_names): Constify a char*. Make static.
14127 (gcc_obstack_init): Don't declare.
14128 (fix_sizetype): Add static prototype.
14129 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
14130 (tree_cons): Call memset, not bzero.
14132 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
14133 definition in macro ASM_WEAKEN_LABEL.
14134 (mark_const_hash_entry): Add static prototype.
14136 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14138 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
14140 * unroll.c (find_common_reg_term, subtract_reg_term,
14141 loop_find_equiv_value): Add static prototypes.
14142 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
14143 (copy_loop_body): Remove unreachable break statement.
14145 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
14147 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
14149 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14151 Undo some changes from the gcc2 merge:
14152 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
14153 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
14157 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
14158 * emit-rtl.c (gen_lowpart_common): Disable optimization of
14159 initialized float-int union if the value is a NaN.
14161 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
14163 * gthr-win32.h: New file.
14165 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
14166 shared as a valid attribute.
14167 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
14168 * extend.texi: Document `shared' variable attribute.
14170 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
14172 * configure.in: Handle --enable-threads on FreeBSD.
14173 * configure: Rebuit.
14175 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
14177 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
14179 * configure: Rebuilt.
14181 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
14182 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
14183 Rosimildo DaSilva <rdasilva@connecttel.com>
14185 * configure.in (m68k-*-rtemscoff*): Added.
14186 * configure.in (mips64orion-*-rtems*): Converted to ELF.
14187 * configure.in (sparc-*-rtemsaout*): Added as alias for old
14188 sparc-rtems configuration.
14189 * configure.in (sparc-*-rtemself*): Added.
14190 * configure.in (sparc-*-rtems*): Now ELF not a.out.
14191 * config/i386/rtems.h: Added comment.
14192 * config/sparc/rtemself.h: New file.
14194 * configure.in (m68k-rtemself): Added.
14195 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
14196 and DWARF_DEBUGGING_INFO.
14197 * config/m68k/crti.s: New file.
14198 * config/m68k/crtn.s: New file.
14199 * config/m68k/t-crtstuff: New file.
14200 * config/m68k/rtemself.h: New file.
14202 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
14203 global ctor/dtor and C++ exception handling.
14204 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
14205 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
14207 * config/i386/t-rtems-i386: New File.
14209 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
14211 * stmt.c (expand_end_case): Return right away if the case stack is
14214 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
14216 * Makefile.in (version.c): Remove rule incorrectly brought in from
14219 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
14221 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
14222 * msdos/top.sed: Take into account a prepended $(SHELL) to
14224 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
14226 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
14228 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14230 * regmove.c (fixup_match_1): Don't change an unchanging register.
14231 (stable_but_for_p): Renamed to:
14232 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
14233 Changed all callers.
14235 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
14237 * loop.c (strength_reduce): Don't call reg_used_between_p if the
14238 insn from BL2 is after the insn from BL.
14240 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
14242 * recog.h (INSN_OUTPUT_FORMAT_*): New.
14243 (struct insn_data): Merge `template' and `outfun' into `output'.
14244 Add `output_format'.
14245 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
14246 (struct data): Remove `outfun'; add `output_format'.
14247 (name_for_index): Remove declaration.
14248 (output_insn_data): Handle output formats.
14249 (process_template): Emit the bare array for @.
14250 (gen_expand, gen_split): Set output_format to NONE.
14251 * output.h (get_insn_template): Declare.
14252 * final.c (get_insn_template): New.
14253 (final_scan_insn): Use it.
14254 * toplev.c (compile_file): Likewise.
14256 * c4x/c4x.c (c4x_process_after_reload): Likewise.
14257 * i860/i860.c (output_delayed_branch): Likewise.
14258 (output_delay_insn): Likewise.
14260 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14262 * rtl.c (obstack_alloc_rtx): Removed.
14264 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
14266 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
14268 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14270 * i386.c (call_insn_operand): Reject const_int.
14271 (expander_call_insn_operand): Use call_insn_operand.
14273 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14275 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
14277 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
14279 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
14280 Use DImode operation.
14282 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
14284 * gcc.c: Include sys/resource.h.
14285 (report_times): New flag.
14286 (execute): If report_times is set, calculate and report the
14287 CPU time consumed by each subprocess.
14289 (rus, prus): New globals.
14290 (option_map): Add --time.
14291 (display_help): Document -time.
14292 (process_command): Set report_times if -time is given.
14293 Turn off -pipe if -time is given.
14295 * invoke.texi: Document new option -time.
14297 * configure.in: Check for getrusage. Check if we have to
14298 prototype getrusage.
14299 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
14300 * configure: Regenerate.
14301 * config.in: Regenerate.
14303 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
14305 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
14308 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
14310 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
14311 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
14312 (nan): Return _thenan_sf or _thenan_df as appropriate.
14313 (L_thenan_sf): Define _thenan_sf.
14314 (L_thenan_df): Define _thenan_df.
14316 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
14317 (DPBIT_FUNCS): Add _thenan_df.
14319 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
14321 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
14324 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14326 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
14329 (lang_specific_driver): Don't take a function pointer parameter.
14330 All callers changed.
14332 * gcc.c: Include gcc.h.
14333 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
14334 lang_specific_extra_outfiles, fatal): Don't declare.
14335 (multilib_defaults_raw): Constify.
14336 (read_specs): Call memset, rather than bzero.
14337 (main): Call return, not exit.
14338 (lookup_compiler): Call memcpy, not bcopy.
14339 (fatal): Make extern.
14341 * cppspec.c: Include gcc.h.
14342 (lang_specific_driver): Initialize variable `quote'. Constify a
14343 char*. All calls to the function pointer parameter now
14344 explicitly call `fatal'.
14346 * gccspec.c (lang_specific_driver): Include gcc.h.
14348 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
14350 * arm.c (note_invalid_constants): Use recog_data.operand_type
14353 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14355 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
14358 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
14359 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
14360 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
14361 reload_secondary_in_reload, reload_secondary_out_reload,
14362 reload_secondary_in_icode, reload_secondary_out_icode,
14363 reload_reg_rtx, reload_when_needed): Delete declarations.
14364 (struct reload): New structure.
14365 (rld): Declare new array.
14366 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
14367 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
14368 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
14369 reload_secondary_in_reload, reload_secondary_out_reload,
14370 reload_secondary_in_icode, reload_secondary_out_icode,
14371 reload_reg_rtx, reload_when_needed): Delete definitions.
14373 (whole file): Replace uses of the deleted arrays with uses of rld.
14374 * reload1.c (whole file): Replace uses of the deleted arrays with
14376 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
14377 explicit loops, not with bcopy.
14379 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
14381 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
14382 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
14383 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
14384 insn_name): Delete and consolidate into new structures.
14385 (insn_operand_predicate_fn): New.
14386 (insn_output_fn): New.
14387 (insn_gen_fn): New.
14388 (struct insn_operand_data): New.
14389 (struct insn_data): New.
14391 (OUT_FCN): Update for insn_data change.
14392 * builtins.c (expand_builtin_strlen): Likewise.
14393 (expand_builtin_memcmp): Likewise.
14394 * combine.c (make_extraction, simplify_comparison): Likewise.
14395 * cse.c (canon_reg, cse_insn): Likewise.
14396 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
14397 * expmed.c (store_bit_field, extract_bit_field): Likewise.
14398 (emit_store_flag): Likewise.
14399 * expr.c (convert_move, emit_block_move): Likewise.
14400 (clear_storage, emit_push_insn, expand_increment): Likewise.
14401 (do_store_flag): Likewise.
14402 * expr.h (GEN_FCN): Likewise.
14403 (insn_gen_function): Die.
14404 * final.c (final_scan_insn): Update for insn_data change.
14405 (output_asm_name): Likewise.
14406 * function.c (fixup_var_refs_1): Likewise.
14407 * loop.c (check_dbra_loop): Likewise.
14408 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
14409 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
14410 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
14411 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
14412 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
14413 * regmove.c (gen_add3_insn): Likewise.
14414 * reload.c (push_secondary_reload, combine_reloads): Likewise.
14415 (find_reloads, find_reloads_address_1): Likewise.
14416 (debug_reload_to_stream): Likewise.
14417 * reload1.c (emit_reload_insns, gen_reload): Likewise.
14418 * stmt.c (expand_end_case): Likewise.
14419 * toplev.c (compile_file): Likewise.
14421 * c4x/c4x.c (c4x_process_after_reload): Likewise.
14422 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
14424 * print-rtl.c (insn_name_ptr): Remove declaration.
14425 (get_insn_name): Declare.
14426 (print_rtx): Use it.
14427 * genoutput.c (insn_name_ptr): Remove.
14428 (next_operand_number): New.
14429 (struct operand_data): New.
14430 (null_operand, odata, odata_end): New.
14431 (struct data): Use struct operand_data.
14432 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
14433 (get_insn_name): Renamed from name_for_index.
14434 (output_prologue): Define NO_MD_PROTOTYPES.
14435 (output_predicate_decls): Break out from output_epilogue.
14436 Iterate over the operands list.
14437 (output_operand_data): Break out from output_epilogue. Emit
14438 just the operands list.
14439 (output_insn_data): Break out from output_epilogue. Emit just
14441 (output_epilogue): Remove.
14442 (output_get_insn_name): New.
14443 (constraints, op_n_alternatives, predicates, address_p): Die.
14444 (modes, strict_low, seen): Die.
14445 (scan_operands): Take new param `d' instead of writing to
14446 seven global variables.
14447 (compare_operands): New.
14448 (place_operands): New.
14449 (validate_insn_alternatives): Update for struct data change.
14450 (gen_insn): Don't zero or copy 7 global arrays. Update for
14451 scan_operands; call place_operands.
14452 (gen_peephole, gen_expand, gen_split): Likewise.
14453 (main): Update for new output routines.
14455 * genattr.c (insn_name_ptr): Remove.
14456 (get_insn_name): New function.
14457 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
14458 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
14459 * genrecog.c: Likewise.
14461 * alpha.md (adddi3): Make `pattern' array static.
14463 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14465 * config/c4x/c4x.h (c4x_rpts_cycles_string,
14466 c4x_cpu_version_string): Constify char *.
14467 * config/c4x/c4x.c (c4x_rpts_cycles_string,
14468 c4x_cpu_version_string): Likewise.
14470 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
14472 * tree.c (save_tree_status): Revert 10 Sep change.
14473 (restore_tree_status): Likewise. Call obstack_free with NULL
14474 before freeing the obstack proper.
14476 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
14478 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
14480 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
14481 surrounding context.
14483 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
14485 * tree.c (type_hash_canon): Put all types in the hash-table, when
14488 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
14490 * recog.h (struct recog_data, recog_data): New.
14491 (recog_foo variables): Kill.
14492 * recog.c (recog_operand, recog_operand_loc): Kill.
14493 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
14494 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
14495 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
14496 (recog_data): Define.
14497 (extract_insn): Update all recog_foo references to use recog_data.
14498 (preprocess_constraints, constrain_operands): Likewise.
14499 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
14500 * genattrtab.c (main): Likewise.
14501 * genextract.c (main): Likewise.
14502 * genoutput.c: Likewise.
14503 * genrecog.c (write_subroutine, main): Likewise.
14504 * local-alloc.c (block_alloc): Likewise.
14505 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
14506 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
14507 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
14508 * reload.c (find_reloads, find_reloads_toplev): Likewise.
14509 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
14510 (reload_cse_simplify_operands): Likewise.
14512 * arc/arc.c (arc_final_prescan_insn): Likewise.
14513 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
14514 * h8300/h8300.c (notice_update_cc): Likewise.
14515 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
14516 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
14517 * mn10200/mn10200.c (notice_update_cc): Likewise.
14518 * mn10300/mn10300.c (notice_update_cc): Likewise.
14519 * romp/romp.c (update_cc): Likewise.
14520 * sparc/sparc.c (check_pic): Likewise.
14521 * v850/v850.c (notice_update_cc): Likewise.
14523 * genemit.c (main): Don't declare recog_operand.
14525 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
14527 * ggc.h (rtvec_def): Forward declare.
14528 (tree_node): Likewise.
14529 (ggc_root): Define.
14531 (ggc_set_mark_rtx): Add prototype.
14532 (ggc_set_mark_rtvec): Likewise.
14533 (ggc_set_mark_tree): Likewise.
14534 * ggc-simple.c (ggc_root): Don't define.
14535 (roots): Don't declare.
14536 (ggc_mark_rtx): Remove.
14537 (ggc_mark_rtvec): Likewise.
14538 (ggc_mark_tree): Likewise.
14539 (ggc_mark_varray): Likewise.
14540 (ggc_mark_tree_hash_table_entry): Likewise.
14541 (ggc_mark_tree_hash_table): Likewise.
14542 (ggc_set_mart_rtx): New function.
14543 (ggc_set_mark_rtvec): Likewise.
14544 (ggc_set_mark_tree): Likewise.
14545 (ggc_add_root): Remove.
14546 (ggc_add_rtx_root): Likewise.
14547 (ggc_remove_tree_root): Likewise.
14548 (ggc_add_string_root): Likewise.
14549 (ggc_add_tree_varray_root): Likewise.
14550 (ggc_add_tree_hash_table_root): Likewise.
14551 (ggc_del_root): Likewise.
14552 (ggc_mark_rtx_ptr): Likewise.
14553 (ggc_mark_tree_ptr): Likewise.
14554 (ggc_mark_string_ptr): Likewise.
14555 (ggc_mark_tree_varray_ptr): Likewise.
14556 (ggc_mark_tree_hash_table_ptr): Likewise.
14557 * ggc-common.c: New file.
14558 * Makefile.in (OBJS): Add ggc-common.o.
14559 (ggc-common.o): List dependencies.
14561 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
14563 * cppalloc.c (xstrdup): Use memcpy.
14564 * cpperror.c (cpp_print_containing_files): Don't use
14566 * cpplib.c (conditional_skip): Set temp->lineno.
14567 (do_endif): Make error message less obscure.
14568 (if_directive_name): New function.
14569 (cpp_get_token [case EOF]): Unwind the if stack and generate
14570 error messages for each unterminated conditional in this file.
14571 (parse_string): Do not behave differently if -traditional.
14573 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
14575 * builtins.c (expand_builtin_va_arg): Cope with an array-type
14576 va_list decomposing to pointer-type.
14577 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
14578 (rs6000_va_arg): Likewise.
14580 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
14582 * except.c (start_dynamic_handler): Compute size using
14583 STACK_SAVEAREA_MODE.
14585 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14587 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
14588 include directory headers. Don't define strrchr. Don't provide
14589 my_* replacement functions. Prefer PTR over `pointer_type'.
14590 Don't prototype system functions. Don't redefine getopt.
14592 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
14593 safe_read, safe_write, save_pointers, restore_pointers,
14594 is_id_char, in_system_include_dir, directory_specified_p,
14595 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
14596 find_corresponding_lparen, referenced_file_is_newer,
14597 save_def_or_dec, munge_compile_params, gen_aux_info_file,
14598 process_aux_info_file, identify_lineno, check_source,
14599 seek_to_line, forward_to_next_token_char, output_bytes,
14600 output_string, output_up_to, other_variable_style_function,
14601 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
14602 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
14603 find_static_definition, connect_defs_and_decs, add_local_decl,
14604 add_global_decls, needs_to_be_converted, visit_each_hash_node,
14605 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
14606 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
14607 scan_for_missed_items, edit_file, string_list_cons): Add static
14609 (standard_exec_prefix, target_machine, target_version,
14610 default_syscalls_dir, string_list, string_list_cons, find_file,
14611 do_cleaning): Constify a char*.
14612 (safe_read, safe_write): Use PTR, not a char*.
14613 (is_id_char): Take an int, not a char.
14614 (main): Add prototype. Call return, not exit.
14616 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
14618 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
14619 when comparing types.
14621 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
14623 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
14624 (strength_reduce): Release the varrays from the no-bivs early exit.
14626 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
14627 the loop over the registers.
14629 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
14631 (restore_tree_status): Check that instead when freeing the obstack.
14633 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
14635 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
14638 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14640 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
14641 operand size modifiers.
14643 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14645 * c-common.c (c_common_nodes_and_builtins): Don't build
14647 * c-common.h (enum c_tree_index and related accesor macros): Remove
14648 everything now declared in tree.h.
14649 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14650 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
14651 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
14652 (error_mark_node, void_type_node, char_type_node, integer_type_node,
14653 unsigned_type_node, ptr_type_node, va_list_type_node,
14654 integer_zero_node, null_pointer_node, integer_one_node): Delete.
14655 (init_decl_processing): Call build_common_tree_nodes and
14656 build_common_tree_nodes_2 instead of building their nodes here.
14657 Don't add roots for these nodes.
14658 * stor-layout.c (size_zero_node, size_one_node): Delete.
14659 (set_sizetype): Make a new node for bitsizetype each time.
14660 * tree.c (global_trees): New variable.
14661 (init_obstacks): Add a gc root for it.
14662 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14663 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
14664 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
14665 (build_common_tree_nodes): New function.
14666 (fix_sizetype): New function.
14667 (build_common_tree_nodes_2): New function.
14668 * tree.h (enum tree_index): New.
14669 (global_trees): Declare.
14670 Add accessor macros for all nodes now moved to global_trees.
14671 Delete their declarations.
14673 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
14675 * c-decl.c (finish_function): When processing a nested function,
14676 push and pop GC context around rest_of_compilation.
14678 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
14680 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
14681 Default ix86_arch to PROCESSOR_I386.
14682 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
14683 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
14684 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
14685 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
14686 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
14687 (EXTRA_SPECS): Remove deleted specs.
14689 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
14691 * function.c (assign_stack_local_1): Allocate from
14692 function->x_frame_offset, not frame_offset.
14694 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
14696 * ggc.h (lang_cleanup_tree): Remove.
14697 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
14698 * ggc-callbacks.c (lang_cleanup_tree): Remove.
14700 * c-decl.c (finish_struct): Use ggc_alloc to allocate
14701 TYPE_LANG_SPECIFIC when garbage collecting.
14702 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
14703 (lang_cleanup_tree): Remove.
14705 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
14707 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
14708 * crtstuff.c: Not here.
14709 * dwarf2out.c: Or here.
14710 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
14713 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
14715 * function.h (free_after_compilation): Remove decl parameter.
14716 (free_varasm_status0: Likewise.
14717 (free_emit_status): Likewise.
14718 (free_stmt_status): Likewise.
14719 (free_after_compilation): Likewise.
14720 (init_lang_status): New variable.
14721 (free_lang_status): Likewise.
14722 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
14723 * function.c (init_lang_status): New variable.
14724 (free_lang_status): Likewise.
14725 (push_function_context_to): Don't set function::decl here.
14726 (free_after_copmilation): Make decl parameter implicit. Call
14727 free_lang_status if defined.
14728 (prepare_function_start): Call init_lang_status if defined.
14729 (init_function_start): Set function::decl here.
14730 * profile.c (output_func_start_profiler): Don't call pushdecl
14731 until we've actually started the function.
14732 * stmt.c (free_stmt_status): Make decl parameter implicit.
14733 * toplev.c (rest_of_compilation): Don't pass decl to
14734 free_after_compilation.
14735 * varasm.c (free_varasm_status): Likewise.
14737 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14739 * except.c (call_get_eh_context): Add root when allocating static
14742 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
14744 * arm.c: Include "ggc.h".
14745 (arm_add_gc_roots): New function.
14746 (arm_override_options): Call it.
14747 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
14749 * arm.md (define_asm_attributes): Add a pool_range attribute.
14751 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
14753 * extend.texi (Volatiles): New node.
14755 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
14757 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
14758 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
14759 (struct ggc_any): Replace `mark' with `magic_mark'.
14760 (ggc_alloc_string): Use memcpy, not bcopy.
14761 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
14762 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
14763 (ggc_free_any): New.
14764 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
14765 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
14766 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
14767 Use IS_MARKED. Use ggc_free_any.
14769 1999-09-09 Scott Bambrough <scottb@netwinder.org>
14771 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
14773 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
14775 * toplev.c (main): Always init_ggc.
14777 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
14779 * except.c (find_all_handler_type_matches): Free the list if
14780 we found no matches.
14782 * combine.c (SUBST): Break out to a real function do_SUBST.
14783 (SUBST_INT): Likewise.
14784 * gcse.c (free_pre_mem): Free `temp_bitmap'.
14785 (pre_insert): Free `inserted'.
14786 * loop.c (basic_induction_var): Always set `location'.
14788 * function.c (expand_function_end): Add initial_trampoline as a root.
14789 * rtl.h (init_varasm_once): Declare.
14790 * toplev.c (compile_file): Call it.
14791 * ggc-simple.c (ggc_mark_string_ptr): New.
14792 (ggc_add_string_root): New.
14793 (ggc_collect): Disable collection avoidance temporarily.
14794 * ggc.h (ggc_add_string_root): Declare.
14795 * except.c (create_rethrow_ref): Use ggc_alloc_string.
14796 * optabs.c (init_libfuncs): Likewise.
14797 * varasm.c (named_section): Use ggc_alloc_string.
14798 (make_function_rtl): Likewise.
14799 (make_decl_rtl): Likewise.
14800 (assemble_static_space): Likewise.
14801 (assemble_trampoline_template): Likewise.
14802 (output_constant_def): Likewise.
14803 (force_const_mem): Likewise.
14804 (mark_const_hash_entry): New.
14805 (mark_pool_sym_hash_table): New.
14806 (mark_varasm_state): Use it.
14807 (init_varasm_once): New.
14809 * expr.h (init_one_libfunc): Declare.
14810 * optabs.c (init_one_libfunc): New.
14811 (init_optabs): Use it.
14812 * config/gofast.h: Likewise.
14813 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
14814 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
14816 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
14818 * Makefile.in (cppexp.o): Depend on cpphash.h.
14819 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
14821 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
14822 * cpplib.c (do_define): Generalise to handle poisoned definitions,
14823 redefining poisoned identifiers, etc.
14824 (do_undef): Don't allow poisoned identifiers to be undefined.
14825 (do_pragma): Add #pragma poison.
14826 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
14828 * cccp.c: Add T_POISON node type.
14829 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
14831 (do_define): Generalise to handle poisoned definitions,
14832 redefining poisoned identifiers, etc.
14833 (do_undef): Don't allow poisoned identifiers to be undefined.
14834 (do_pragma): Add #pragma poison.
14835 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
14837 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
14838 * c-pragma.h: Add ps_poison state. We now always have generic
14841 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
14843 * ggc.h (ggc_alloc): New function.
14844 (ggc_mark): Likewise.
14845 * ggc-simple.c (ggc_any): New structure.
14846 (ggc_status): Add anys.
14847 (n_anys_collected): New variable.
14848 (ggc_alloc): Define.
14849 (ggc_mark): Likewise.
14850 (ggc_collect): Collect the anys.
14852 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14854 * c-decl.c (mark_binding_level): Make static to match prototype.
14856 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
14858 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
14860 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
14862 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
14863 will use into account. Expand the max width to 5.
14866 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
14868 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
14869 for the rtx length.
14871 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
14873 * alpha.md (call value patterns): Remove the result predicates.
14875 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
14877 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
14880 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14882 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
14883 changed from extern char *, to extern PTR. Also fix typo in
14884 NEED_DECLARATION_REALLOC test.
14886 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
14888 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14890 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
14891 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
14892 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
14893 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
14895 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
14897 * cccp.c (pcfinclude): Likewise.
14899 * global.c (allocno_compare): Likewise.
14901 * haifa-sched.c (rank_for_schedule): Likewise.
14903 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
14905 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
14907 * stupid.c (stupid_reg_compare): Likewise.
14909 * tree.c (_obstack_allocated_p): Likewise.
14911 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
14913 1999-09-08 Bruce Korb autogen@linuxbox.com
14915 * Makefile.in: Give the hapless gperf user a hint about
14916 why "gperf -F" fails.
14918 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
14920 * lists.c: Include ggc.h.
14922 (init_EXPR_INSN_LIST_cache): Install it.
14924 * ggc-simple.c (init_ggc): Absorb the old init.
14925 (ggc_push_context): Use xcalloc.
14926 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
14927 (ggc_collect): Add [rvts] tags to the collection stats.
14929 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
14931 * cccp.c (main): Fix handling of -include and -imacros options.
14933 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
14935 * cpplib.c (cpp_push_buffer): Fix order of arguments.
14937 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14939 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
14942 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
14944 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
14945 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
14946 and SET_DEST. Update comment.
14948 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14950 * config/c4x/c4x.c: Include ggc.h.
14951 (c4x_add_gc_roots): New function.
14952 (c4x_override_options): Call c4x_add_gc_roots.
14954 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
14956 * defaults.h (TARGET_ESC): Move ...
14957 * system.h: ... here, where Linas had it in the first place. Silly me.
14959 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
14961 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
14962 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
14963 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
14964 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
14965 * defaults.h (TARGET_ESC): Add default.
14967 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
14969 * configure.in: add i370-*-openedition, i370-*-mvs and
14970 i370-*-linux targets
14972 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
14974 * dsp16xxx.c: Include ggc.h
14975 (override_options): Mark GC roots.
14976 * mn10200.c: Include ggc.h.
14977 (asm_file_start): Mark GC roots.
14978 * tahoe.c: Include ggc.h.
14979 (extensible_operand): Mark GC roots.
14981 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
14983 * README: Add section discussing status of ELF ABI.
14984 * i370.c: Fix misc spelling mistakes.
14985 (i370_label_scan): Updated notes, exception handling.
14986 (i370_function_prolog): Simplify ELF stack handling.
14987 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
14988 (STACK_GROWS_DOWNWARD): ELF stack grows down.
14989 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
14990 * i370.md: (movdi): Add notes.
14991 (floatsidf2): Use stack not rtca for scratch float area.
14992 (iorsi3): Correct operand constraints.
14993 * x-oe: Restore TAROUTOPTS which are used by pax.
14995 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
14997 * rs6000.c: Include ggc.h.
14998 (rs6000_add_gc_roots): New function.
14999 (override_options): Call it.
15001 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
15003 * alpha.h (alpha_compare): New.
15004 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
15005 * alpha.c: Likewise for the definitions.
15006 (alpha_emit_conditional_branch): Update for alpha_compare.
15007 (alpha_emit_conditional_move): Likewise.
15008 * alpha.md (cmpdf, cmpdi): Likewise.
15009 (setcc patterns): Likewise. Zero alpha_compare after use.
15010 (sne): Optimize (x != 0) into (0U < x).
15012 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
15014 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
15015 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
15016 (INIT_EXPANDERS): Remove.
15017 * alpha.c: Include ggc.h.
15018 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
15019 (alpha_init_machine_status, alpha_mark_machine_status): New.
15020 (override_options): Install them.
15021 (struct machine_function): Moved to alpha.h.
15022 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
15023 (alpha_init_expanders): Remove.
15024 (alpha_return_addr): Adjust to use current_function->machine.
15025 (alpha_ra_ever_killed): Likewise.
15026 (alpha_expand_epilogue): Likewise.
15027 * alpha.md (eh_epilogue): Likewise.
15029 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
15030 Melissa O'Neill <oneill@cs.sfu.ca>
15031 Geoffrey Keating <geoffk@cygnus.com>
15033 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
15034 call-used registers (call-saved registers must still be contiguous
15035 and end with r31, of course).
15037 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
15039 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
15040 (self_promoting_type_p): Delete.
15041 (self_promoting_args_p): Move ...
15042 * c-common.c: ... here.
15043 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
15044 (simple_type_promotes_to): New.
15045 * builtins.c (lang_type_promotes_to): New.
15046 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
15047 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
15048 * c-common.h: ... here.
15049 (self_promoting_args_p, simple_type_promotes_to): Declare.
15050 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
15051 (grokdeclarator): Likewise.
15052 * tree.h (lang_type_promotes_to): Declare.
15054 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
15056 Add some machine-dependent GC roots.
15057 * sparc.c: Include ggc.h.
15058 (sparc_add_gc_roots): New function.
15059 (mark_ultrasparc_pipeline_state): Likewise.
15060 (override_options): Call sparc_add_gc_roots.
15061 * pa.c: Include ggc.h.
15062 (pa_add_gc_roots): New function.
15063 (mark_deferred_plabels): Likewise.
15064 (override_options): Call pa_add_gc_roots.
15065 * mips.c: Include ggc.h.
15066 (mips_add_gc_roots): New function.
15067 (override_options): Use it.
15069 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15071 * cpperror.c (cpp_file_line_for_message): Constify a char*.
15073 * cppexp.c (parse_number, parse_charconst, cpp_lex,
15074 cpp_parse_expr): Add static prototypes.
15075 (parse_charconst): Don't cast away const-ness.
15076 (token): Constify a char*.
15078 * cppfiles.c (file_name_list, include_hash, find_include_file,
15079 finclude, initialize_input_buffer): Constify a char*.
15080 (file_cleanup, find_position): Add static prototypes.
15082 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
15083 collect_expansion): Add static prototypes.
15084 (cpp_install, create_definition, monthnames): Constify a char*.
15086 * cpphash.h (cpp_install): Likewise.
15088 * cppinit.c (known_suffixes, default_include,
15089 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
15090 (base_name, dump_special_to_buffer, initialize_dependency_output):
15091 Add static prototypes.
15093 * cpplib.c (my_strerror): Constify a char*.
15094 (null_underflow, null_cleanup, skip_comment, copy_comment,
15095 copy_rest_of_line, handle_directive, pass_thru_directive,
15096 get_directive_token, read_line_number, cpp_print_file_and_line,
15097 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
15098 v_cpp_warning_with_line, detect_if_not_defined,
15099 consider_directive_while_skipping): Add static prototypes.
15100 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
15101 cpp_pedwarn_with_file_and_line): Constify a char*.
15103 * cpplib.h (cpp_options, include_hash, progname, definition,
15104 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
15105 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
15106 find_include_file, deps_output, include_hash): Constify a char*.
15108 * cppmain.c (progname): Constify.
15109 (main): Add prototype. Use return, not exit.
15111 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
15112 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
15113 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
15114 check_protection): Add static prototype.
15116 (progname, recognized_macrom, recognized_extern): Constify a char*.
15117 (main): Add prototype.
15119 * gen-protos.c (progname): Constify a char*.
15121 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
15123 * emit-rtl.c (free_emit_status): Take decl as a parameter.
15124 (init_emit_once): Add more GC roots.
15125 * except.c (mark_func_eh_entry): New function.
15126 (mark_eh_node): Mark false_label and rethrow_label.
15127 (init_eh): Add more GC roots.
15128 * function.c (free_after_compilation): Take decl as a paramter.
15129 Call free_stmt_status.
15130 (mark_function_state): Don't assume x_parm_reg_stack_loc is
15132 * function.h (free_after_compilation): Change prototype.
15133 (free_varasm_status): Likewise.
15134 (free_emit_status): Likewise.
15135 (free_stmt_status): New function.
15136 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
15137 Remove, replacing with ...
15138 (ggc_status): New structure.
15139 (ggc_chain): New variable.
15140 (init_gcc): Define.
15141 (ggc_push_context): New function.
15142 (ggc_pop_context): Likewise.
15143 (ggc_alloc_rtx): Adjust for use of ggc_chain.
15144 (ggc_alloc_rtvec): Likewise.
15145 (ggc_alloc_tree): Likewise.
15146 (ggc_alloc_string): Likewise.
15147 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
15148 (ggc_mark_tree): Give language-dependent code a chance to mark
15150 (ggc_mark_tree_varray): Handle empty arrays.
15151 (ggc_collect): Adjust for use of ggc_chain. Clear
15152 bytes_alloced_since_last_gc.
15153 * ggc.h (ggc_pop_context): New function.
15154 (ggc_push_context): Likewise.
15155 * print-tree.c (print_node): Don't print obstacks when GC'ing.
15156 * stmt.c (free_stmt_status): New function.
15157 (init_stmt_for_function): Clear last_expr_value.
15158 * toplev.c (rest_of_compilation): Always call free_after_compilation.
15159 Conditionalize call to ggc_collect.
15160 (main): Call init_ggc.
15161 * tree.c (push_obstacks): Do the push, even when GC'ing.
15162 (push_obstacks_nochange): Likewise.
15163 (pop_obstacks): Liekwise.
15164 * varasm.c (free_varasm_status): Take decl as a parameter.
15166 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
15168 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
15169 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
15170 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
15171 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
15173 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
15175 * pa/x-pa-mpeix: New file for the MPE port.
15177 * pa/quadlib.asm: New file for long double support.
15179 * configure.in: Add hppa1.0-*-mpeix for MPE port.
15180 * configure: Rebuilt.
15182 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
15184 * final.c (shorten_branches): Fix last change.
15186 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
15188 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
15190 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
15192 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
15195 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15197 * c-aux-info.c (concat): Don't define.
15199 * cccp.c (my_strerror): Likewise. All callers changed to use
15201 (do_include): Call xstrdup, not xmalloc/strcpy.
15202 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
15203 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
15205 * collect2.c (my_strsignal): Likewise. All callers changed to use
15207 (locatelib): Call xstrdup, not xmalloc/strcpy.
15209 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
15211 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
15213 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
15215 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
15217 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
15219 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
15221 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
15223 (find_all_handler_type_matches): Likewise. Don't check return
15225 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
15226 xmalloc, not malloc.
15227 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
15229 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
15230 (init_spec): Call xcalloc, not xmalloc/bzero.
15231 (set_spec): Call xstrdup, not save_string.
15232 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
15233 (find_a_file): Call xstrdup, not xmalloc/strcpy.
15234 (process_command): Call xstrdup, not save_string.
15235 (main): Call xcalloc, not xmalloc/bzero.
15237 * gcov.c (xmalloc): Don't define.
15238 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
15239 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
15240 (output_data): Call xcalloc, not xmalloc/bzero.
15242 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
15244 * mips-tdump.c (xmalloc): Don't define.
15245 (print_symbol): Call xmalloc, not malloc.
15246 (read_tfile): Call xcalloc, not calloc.
15248 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
15249 Don't define. All callers of xfree/my_strsignal changed to use
15250 free/strsignal instead.
15251 (allocate_cluster): Call xcalloc, not calloc.
15253 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
15254 Fix memory leak, free allocated memory.
15256 * prefix.c (translate_name): Call xstrdup, not save_string.
15257 (update_path): Likewise.
15259 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
15261 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
15262 Don't define. Callers of xfree/savestring2 changed to use
15263 free/concat instead.
15265 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
15266 (init_elim_table): Likewise.
15268 * resource.c (init_resource_info): Likewise.
15270 * stupid.c (stupid_life_analysis): Likewise.
15272 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
15273 (open_dump_file): Call concat, not xmalloc/strcpy/...
15274 (clean_dump_file): Likewise.
15275 (compile_file): Call xstrdup, not xmalloc/strcpy.
15277 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
15279 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
15280 * v850.c (v850_va_arg): New.
15282 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15284 * haifa-sched.c: Tidy comments.
15286 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15288 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
15289 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
15290 $(out_object_file)): Depend on ggc.h.
15291 * c-common.c: Include "ggc.h".
15292 (combine_strings): If doing GC, use ggc_alloc_string.
15293 * c-decl.c: Include "ggc.h".
15294 (ggc_p): Define with value 0.
15295 (mark_binding_level): New function.
15296 (init_decl_processing): Add GC roots.
15297 (mark_c_function_context): New function.
15298 (lang_mark_false_label_stack): New function.
15299 (lang_mark_tree): New function.
15300 (lang_cleanup_tree): New function.
15301 * c-lang.c: Include "ggc.h".
15302 (lang_init): Call c_parse_init.
15303 * c-lex.c: Include "ggc.h".
15304 (check_linenum): If doing GC, don't copy filenames to permanent
15306 * c-parse.in: Include "ggc.h".
15307 (c_parse_init): New function.
15308 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
15309 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
15311 * except.c (mark_eh_state): Mark more state.
15312 * function.c (mark_function_state): Likewise.
15313 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
15314 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
15315 * toplev.c (mark_file_stack): New function.
15316 (compile_file): If doing GC, use ggc_alloc_string on input filename.
15317 (main): Add root for input_file_stack.
15319 * i386.c: Include "ggc.h".
15320 (ix86_mark_machine_status): New function.
15321 (override_options): Set mark_machine_status.
15323 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15325 * tree.c (copy_node): Copy node contents also if doing GC.
15327 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
15329 * collect2.c (scan_libraries): Fix double-thinko :-).
15331 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
15333 * collect2.c (scan_libraries): Fix thinko.
15335 * cse.c (delete_trivially_dead_insns): Do not skip the last
15336 insn if it is a real insn.
15338 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
15340 * Makefile.in (ggc-simple.o): Depend on hash.h.
15341 * ggc.h (ggc_add_tree_hash_table_root): Declare.
15342 (ggc_mark_tree_varray): Likewise.
15343 (ggc_mark_tree_hash_table): Likewise.
15344 * ggc-simple.c: Include hash.h.
15345 (ggc_mark_tree_hash_table_ptr): New function.
15346 (ggc_mark_tree_hash_table_entry): Likewise.
15347 (ggc_mark_tree_hash_table): Likewise.
15348 (ggc_add_tree_hash_table_root): Likewise.
15349 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
15350 rtx, when defining fields.
15352 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
15354 * profile.c (output_func_start_profiler): Remove apparently
15355 nonsensical call to start_sequence.
15357 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
15359 * clipper/clipper.c (clipper_va_start): Fix typos.
15361 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
15362 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
15363 (spur_va_arg): New stub.
15365 * configure.in: Comment out pyramid.
15367 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
15369 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
15370 don't conflict with the bits that win32, cygwin, and dgux
15373 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
15374 Bernd Schmidt <bernds@cygnus.co.uk>
15376 * integrate.c (function_cannot_inline_p): Do not inline
15377 functions with forced labels.
15379 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
15380 Bernd Schmidt <bernds@cygnus.co.uk>
15381 Mark Mitchell <mark@codesourcery.com>
15383 * Makefile.in (ggc-simple.o): Depend on varray.h.
15384 (rtl.o): Depend on ggc.h.
15385 (genattrtab.o): Depend on ggc.h.
15386 (print-tree.o): Likewise.
15387 (fold-const.o): Likewise.
15388 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
15389 (make_insn_raw): Don't cache insns when GC'ing.
15390 (emit_insn_before): Likewise.
15391 (emit_insn_after): Likewise.
15392 (emit_insn): Likewise.
15393 (start_sequence): Use xmalloc to allocate the sequence_stack.
15394 (end_sequence): Add free to free it.
15395 (gen_sequence): Don't cache insns when GC'ing.
15396 (clear_emit_caches): Don't use sequence_element_free_list.
15397 (init_emit): Use xcalloc, not xmalloc+bzero.
15398 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
15399 * function.c (pop_function_context_from): Use free to free the
15400 fixup_var_refs_queue.
15401 (put_reg_into_stack): Allocate it with xmalloc.
15402 * genattrtab.c: Include ggc.h.
15403 (operate_exp): Don't use obstack_free when GC'ing.
15404 (simplify_cond): Likewise.
15405 (simplify_text_exp): Likewise.
15406 (optimize_attrs): Likewise.
15407 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
15409 (gencode): Generate a #include for ggc.h.
15410 * ggc-callbacks.c (ggc_p): Define it to zero.
15411 * ggc-none.c (ggc_p): Likewise.
15412 * ggc-simple.c: Include varray.h.
15413 (ggc_mark_tree_varray): New function.
15414 (ggc_add_tree_varray_root): Likewise.
15415 (ggc_mark_tree_varray_ptr): Likewise.
15416 * ggc.h (ggc_p): Declare.
15417 (varray_head_tag): Likewise.
15418 (ggc_add_tree_varray_root): Declare.
15419 * print-tree.c (print_node): Don't check for TREE_PERMANENT
15420 inconsistencies when GC'ing.
15421 * rtl.c: Include ggc.h.
15422 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
15423 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
15424 (rtx_free): Don't call obstack_free when GC'ing.
15425 * toplev.c (rest_of_compilation): Call ggc_collect after every
15427 * tree.c (push_obstacks): Do nothing, if GC'ing.
15428 (pop_obstacks_nochange): Likewise.
15429 (pop_obstacks): Likewise.
15430 (make_node): Use ggc_alloc_tree when GC'ing.
15431 (copy_node): Likewise.
15432 (get_identifier): Use ggc_alloc_string when GC'ing.
15433 (build_string): Likewise.
15434 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
15435 (tree_cons): Likewise.
15436 (build1): Likewise.
15437 (type_hash_canon): Don't call obstack_free when GC'ing.
15439 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
15441 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
15442 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
15444 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
15445 Bernd Schmidt <bernds@cygnus.co.uk>
15446 Mark Mitchell <mark@codesourcery.com>
15448 * Makefile.in (stor-layout.o): Depend on ggc.h.
15449 (expr.o): Depend on ggc.h.
15450 (profile.o): Depend on ggc.h.
15451 (stor-layout.o): Depend on ggc.h.
15452 * emit-rtl.c (init_emit_once): Add gc roots.
15453 * expr.c: Include ggc.h.
15454 (emit_block_move): Add gc roots.
15455 (clear_storage): Likewise.
15456 * expr.h (init_stor_layout_once): New function.
15457 * profile.c: Include ggc.h.
15458 (init_arc_profiler): profiler_label is a root.
15459 * scan.c (make_sstring_space): Trust xrealloc to function
15460 correctly with first parameter NULL.
15461 * stor-layout.c: Include ggc.h.
15462 (set_sizetype): Add gc root.
15463 (init_stor_layout_once): New function.
15464 * toplev.c (compile_file): Call it.
15466 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
15467 Bernd Schmidt <bernds@cygnus.co.uk>
15468 Mark Mitchell <mark@codesourcery.com>
15470 * Makefile.in (tree.o): Depend on ggc.h.
15471 (varasm.o): Likewise.
15472 (function.o): Likewise.
15473 (stmt.o): Likewise.
15474 (except.o): Likewise.
15475 (optabs.o): Likewise.
15476 (emit-rtl.o): Likewise.
15477 * emit-rtl.c: Include ggc.h.
15478 (sequence_element_free_list): Remove, and all references.
15479 (mark_sequence): New functions.
15480 (mark_emit_state): New function.
15481 * except.c: Include ggc.h.
15482 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
15483 (mark_tree_label_node): New functions.
15484 (mark_eh_state): New function.
15485 * function.c: Include ggc.h.
15486 (mark_temp_slot, mark_function_chain): New functions.
15487 (mark_function_state): New function.
15488 (init_function_once): New function.
15489 * function.h (init_function_once): New function.
15490 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
15491 * ggc.h (label_node): Declare.
15492 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
15493 (lang_mark_false_label_stack): New function.
15494 (mark_temp_slot): Remove declaration.
15495 (mark_function_chain): Likewise.
15496 (mark_eh_state): Adjust prototype.
15497 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
15499 * optabs.c: Include ggc.h.
15500 (mark_optab): New function.
15501 (init_optabs): Add gc roots.
15502 * stmt.c: Include ggc.h.
15503 (mark_cond_nesting, mark_loop_nesting): New functions.
15504 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
15505 (mark_stmt_state): New function.
15506 * toplev.c (compile_file): Call init_function_once.
15507 * tree.c: Include ggc.h.
15508 (type_hash): Move declaration earlier in file.
15509 (TYPE_HASH_SIZE, type_hash_table): Likewise.
15510 (init_obstacks): Add gc roots.
15511 (mark_type_hash): New function.
15512 * varasm.c: Include ggc.h.
15513 (mark_pool_constant): New function.
15514 (mark_varasm_state): New function.
15516 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15518 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
15520 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15522 * c-decl.c (struct language_function): Renamed from struct c_function.
15524 (c_function_chain): Delete.
15525 (push_c_function_context): New arg F. Don't warn about nested
15526 functions here. Fill LANGUAGE elt of F. Delete code to update
15527 c_function_chain. Don't call push_function_context.
15528 (pop_c_function_context): New arg F. Restore from there instead of
15529 from c_function_chain. Don't call pop_function_context. Clear out
15530 LANGUAGE field of F when done.
15531 * c-lang.c: Include "function.h"
15532 (lang_init): Initialize save_lang_status and restore_lang_status.
15533 * c-parse.in (nested_function, nested_function_notype): Warn about
15534 nested functions. Call push_function_context/pop_function_context
15535 instead of the _c_ variants.
15536 * c-tree.h (push_c_function_context, pop_c_function_context): Update
15538 * Makefile.in (c-lang.o): Update dependencies.
15540 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
15541 regno_pointer_flag, regno_pointer_align.
15542 (gen_reg_rtx): Use xrealloc to enlarge them.
15543 (free_emit_status): New function.
15544 * function.c (mark_machine_status, mark_lang_status): New variables.
15545 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
15546 in some bits from assign_stack_local. All callers changed to use new
15548 (assign_stack_local): Just call assign_stack_local_1.
15549 (free_after_compilation): New function.
15550 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
15551 (trampoline_address): Likewise.
15552 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
15553 (prepare_function_start): Explicitly clear some more variables.
15554 * function.h (struct function): New elt can_garbage_collect.
15555 (mark_machine_status, mark_lang_status): Declare variables.
15556 (free_after_compilation, free_emit_status, free_varasm_status,
15557 init_varasm_status): Declare functions.
15558 * toplev.c (rest_of_compilation): Call free_after_compilation when
15559 done with the current function.
15560 * varasm.c (free_varasm_status): New function.
15562 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
15564 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
15565 (EXPAND_BUILTIN_VA_ARG): Define.
15566 * sparc.c (sparc_va_start): New.
15567 (sparc_va_arg): New.
15569 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15571 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
15573 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15575 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
15577 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
15579 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
15580 (OBJS): Add $(GGC).
15581 (ggc-callbacks.o): New target.
15582 * ggc-callbacks.c: New file.
15584 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15586 * expr.h: Collapse individual optab and libfunc vars to arrays.
15587 (optab_index, libfunc_index): New enumerations.
15588 (optab_table, libfunc_table): New arrays.
15589 Add accessor macros for both.
15591 * optabs.c (optab_table, libfunc_table): New.
15592 Delete declarations for individual optab and libfunc vars.
15594 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
15596 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
15598 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
15600 * Makefile.in (GGC, GGC_LIB): New.
15601 (HOST_RTL): Include ggc-none.o.
15602 (ggc-simple.o): New target.
15603 (ggc-none.o): Likewise.
15604 * tree.h (tree_common): Add gc_mark.
15605 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
15606 (struct rtvec_def): Add gc_mark.
15607 * emit-rtl.c (global_rtl): Update static initializers to contain
15608 enough initializers.
15609 * ggc.h, ggc-none.c, ggc-simple.c: New files.
15610 * toplev.c (gc_time): New variable.
15611 (all_time): New variable.
15612 (compile_file): Print gc time.
15613 (print_time): Calculate percentage of the whole.
15615 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15617 Change obstack memory management and varasm constant pool handling so
15618 that nested functions are treated like any other functions.
15619 * function.c (init_machine_status): New variable.
15620 (push_function_context_to): Set contains_functions for the outer
15621 function. Don't call save_varasm_status.
15622 (pop_function_context_from): Don't call restore_varasm_status. Don't
15623 set current_function_contains_functions.
15624 (prepare_function_start): Call init_varasm_status rather than
15625 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
15627 * function.h (struct function) Add field varasm. Delete fields
15628 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
15629 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
15630 (init_machine_status): Declare.
15631 (save_varasm_status, restore_varasm_status): Delete declarations.
15632 (save_tree_status, restore_tree_status): Delete last argument.
15633 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
15634 code. All callers changed.
15635 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
15636 save_constants_in_decl_trees, restore_constants, save_constants,
15637 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
15639 (inlining): New variable.
15640 (reg_map, label_map, insn_map, orig_asm_operands_vector,
15641 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
15643 (save_for_inline_nocopy): Don't save constants.
15644 Don't set inl_emit field in current_function.
15645 (expand_inline_function): Use emit field, not inl_emit, of the inlined
15646 function. Set new variable inlining before
15647 calling copy_rtx_and_substitute.
15648 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
15649 constant pool references if inlining is nonzero.
15650 Delete ADDRESS and (most of the) CONST cases.
15651 (output_inline_function): Save and restore current_function/
15652 current_function_decl. Delete restore_constants code. Don't call
15653 init_const_rtx_hash_table.
15654 * output.h (init_const_rtx_hash_table): Don't declare.
15655 * rtl.h (struct function): Declare.
15656 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
15657 * toplev.c (rest_of_compilation): Don't treat nested functions or
15658 functions containing them specially. Delete all code to deal with
15659 save_for_inline_copying.
15660 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
15661 inline_obstacks): Delete variables.
15662 (save_tree_status): Lose arg CONTEXT. All callers changed.
15663 Simply allocate a new function_maybepermanent_obstack for the new
15664 function, delete all the special cases.
15665 Don't save inline_obstacks.
15666 (restore_tree_status): Lose arg CONTEXT. All callers changed.
15667 Delete special handling for function_maybepermanent_obstack; simply
15669 Don't restore inline_obstacks.
15670 (permanent_allocation): Delete code that frees inline_obstacks.
15671 (print_inline_obstack_statistics): Delete function.
15672 (dump_tree_statistics): Don't call it.
15673 * varasm.c (struct varasm_status): New.
15674 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
15675 last_pool, pool_offset, const_double_chain): Delete global
15676 variables, replace with accessor macros.
15677 (immed_double_const): Don't walk const_double_chain outside a
15678 function, but don't treat nested functions specially anymore.
15679 (immed_real_const_1): Likewise.
15680 (clear_const_double_mem): Don't treat nested functions specially.
15681 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
15682 (save_varasm_status, restore_varasm_status): Delete functions.
15683 (init_varasm_status): New function.
15684 (force_const_mem): Don't treat nested functions specially.
15685 (find_pool_constant): Accept new arg F, search for constants in
15686 that function's pool rather than the current one. All callers
15688 (get_pool_constant_for_function, get_pool_mode_for_function): New
15691 * i386.c (init_386_machine_status): New function, mostly from
15692 clear_386_stack_locals.
15693 (struct machine_functions): Rename element names to avoid name
15695 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
15696 macros, replacing global variables.
15697 (clear_386_stack_locals, save_386_machine_status,
15698 restore_386_machine_status): Delete functions.
15699 (override_options): Initialize init_machine_status.
15700 * i386.h (INIT_EXPANDERS): Delete macro.
15701 (save_386_machine_status, restore_386_machine_status,
15702 clear_386_stack_locals): Delete declarations.
15704 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15706 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
15707 (doloop_begin): Simplify pattern and use emit_jump_insn.
15708 (doloop_end): Simplify pattern, switch operand order,
15709 and use emit_jump_insn.
15711 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
15713 * function.h (struct function): Add new element LANGUAGE.
15714 (save_lang_status): Declare new variable.
15715 (restore_lang_status): Likewise.
15716 * function.c (save_lang_status): Define.
15717 (restore_lang_status): Likewise.
15718 (push_function_context_to): Call language-specific save function.
15719 (pop_function_context_from): Call language-specific restore function.
15721 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
15723 * i386.md (movsf_1): Check REG_P before use of REGNO.
15724 (movdf_1): Likewise.
15725 (movxf_1): Likewise.
15726 (extendsfdf2): Likewise.
15727 (extendsfxf2): Likewise.
15728 (extenddfxf2): Likewise.
15730 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15732 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
15733 constants into memory.
15734 (c4x_shiftable_constant): New function.
15735 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
15736 (c4x_shiftable_constant): Declare.
15737 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
15738 ashlqi3_noclobber): Add new patterns and associated splitters.
15740 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
15742 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
15743 * dwarf2out.c (dwarf2out_frame_init): Likewise.
15744 * final.c (shorten_branches): Likewise.
15745 * global.c (global_alloc): Likewise.
15746 * haifa-sched.c (build_control_flow): Likewise.
15747 * stmt.c (check_for_full_enumeration_handling): Likewise.
15748 (estimate_case_costs): Likewise.
15750 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
15752 * rtl.h (RTL_CHECKC2): Fix typo in last change.
15754 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
15756 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
15757 (recompute_reg_usage): Likewise.
15758 * rtlanal.c (find_regno_fusage): Likewise.
15760 * rtl.c (rtl_check_failed_code1): New function.
15761 (rtl_check_failed_code2): New.
15762 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
15763 (RTL_CHECKC1, RTL_CHECKC2): New.
15764 (XC*): New accessor macros.
15765 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
15766 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
15767 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
15768 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
15769 (TRAP_*, RANGE_INFO_*): Likewise.
15771 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15773 * Makefile.in (tlink.o): Don't depend on toplev.h.
15775 * collect2.c (c_file, o_file, export_file, import_file, ldout,
15776 output_file, nm_file_name, ldd_file_name, strip_file_name,
15777 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
15778 add_prefix, prefix_from_env, prefix_from_string, do_wait,
15779 fork_execute, maybe_unlink, add_to_list,
15780 extract_init_priority, write_list, dump_list,
15781 dump_prefix_list, write_list_with_asm, write_c_file,
15782 write_c_file_stat, write_c_file_glob, scan_prog_file,
15783 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
15784 ignore_library, extract_string, notice, dump_file, target_machine,
15785 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
15786 read_file, print_load_command): Constify a char*.
15787 (fdopen, error, fatal, fatal_perror): Don't prototype.
15788 (my_strerror): Remove. All callers use xstrerror instead.
15789 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
15790 (main): Add prototype. Constify lots of char* ptrs. Change calls
15791 to xcalloc/strcpy/strcat/... to one call to concat.
15792 (main, scan_prog_file, scan_libraries): Use an intermediate
15793 `const char **' to build an argv array.
15794 (mapfile, libselect, libcompare, locatelib): Add prototypes.
15796 * collect2.h (collect_execute, collect_wait, dump_file,
15797 file_exists): Constify a char*.
15798 (ldout, c_file_name, temporary_obstack, permanent_obstack,
15799 temporary_firstobj, vflag, debug): Add extern declarations.
15800 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
15802 * tlink.c: Don't include toplev.h.
15803 (vflag, debug, ldout, c_file_name, temporary_obstack,
15804 permanent_obstack, temporary_firstobj): Don't declare.
15805 (tlink_execute, frob_extension, symbol_hash_lookup,
15806 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
15807 recompile_files, read_repo_files, demangle_new_symbols,
15808 scan_linker_output): Constify a char*.
15809 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
15810 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
15812 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
15814 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
15815 (relative) rather than jsr (absolute) subroutine call insns.
15816 * config/m68k/m68k-coff.h: Ditto.
15818 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
15820 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
15821 now rework these too.
15822 (arm_reorg): If an insn can't reach the end of the current pool,
15823 ensure that we emit that pool before the insn.
15825 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
15827 * tlink.c (scan_linker_output): Skip the initial underscore in
15828 a mangled name if appropriate.
15830 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15832 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
15833 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
15834 error_with_ivar, gen_declarator, create_builtin_decl,
15835 my_build_string, generate_descriptor_table, generate_ivars_list,
15836 generate_dispatch_table, check_protocols, TAG_GETCLASS,
15837 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
15838 dump_base_name, lang_decode_option, build_encode_expr,
15839 start_class, finish_class, encode_pointer, really_start_method,
15840 gen_declaration, dump_interface, handle_class_ref, handle_impent):
15842 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
15843 Add static prototypes.
15844 (build_objc_string_decl, build_selector_reference_decl,
15845 encode_bitfield, build_class_reference_decl): Remove unused
15846 parameter, all callers changed.
15847 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
15848 (objc_printable_name): Likewise. Change second parameter to type int.
15849 (init_objc): Use memcpy, not bcopy, to avoid casts.
15851 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
15853 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
15854 reg notes on a deleted insn.
15855 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
15857 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
15859 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
15861 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15863 * stmt.c (expand_asm_operands): Fix index into inout_mode when
15866 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
15868 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
15869 * tm.texi (MD_ASM_CLOBBERS): Document it.
15871 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
15873 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
15874 * except.c (expand_rethrow): Remove unused variable.
15875 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
15876 * flow.c (replace_insns): Likewise.
15877 (create_edge_list, verify_edge_list): Likewise.
15878 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
15880 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
15881 is special code to run.
15882 (main): Don't define operands to emit_operand.
15883 * genrecog.c (main): Don't emit an empty peephole2_insn function.
15885 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
15887 * alpha/alpha.h (normal_memory_operand): Declare.
15888 (reg_no_subreg_operand): Declare.
15889 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
15891 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
15893 * c-parse.in (compstmt_primary_start): New, broken out of first
15894 part of compstmt handling in primary.
15895 (primary): Use it. Add an error clause.
15896 (compstmt_nostart): Renamed from compstmt; remove all
15897 initial invocations of compstmt_start.
15900 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
15902 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
15905 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
15907 * combine.c (simplify_shift_const): Remove extra semicolon.
15908 * dwarf2out.c (remove_AT): Likewise.
15909 * expmed.c (expand_mult): Likewise.
15910 * gcov.c (create_program_flow_graph): Likewise.
15911 * reorg.c (mostly_true_jump): Likewise.
15913 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
15915 * fold-const.c (fold_range_test): Do not try to fold the range
15916 test if the rhs or lhs has side effects.
15918 * combine.c (simplify_rtx): Recognize another case of a synthesized
15921 * varasm.c (mark_constant_pool): When marking indirect references,
15922 only look at SYMBOL_REFs.
15924 * except.c (expand_fixup_region_end): Do not peek at
15925 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
15927 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
15929 * flags.h: New variables align_loops, align_loops_log,
15930 align_jumps, align_jumps_log, align_labels, align_labels_log,
15931 align_functions, align_functions_log.
15932 * toplev.c: Define them.
15933 (f_options): Handle -falign-* when they have no argument.
15934 (main): Add logic to set variables for -falign-functions,
15935 -falign-jumps, -falign-labels, -falign-loops.
15936 Make it -fsched-verbose=<n> and -finline-limit=<n>.
15937 (display_help): Change help to match options.
15938 * final.c (LABEL_ALIGN): Default to align_labels_log.
15939 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
15940 (LOOP_ALIGN): Default to align_loops_log.
15941 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
15942 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
15943 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
15944 * varasm.c (assemble_start_function): Handle align_functions.
15946 * config/sparc/sparc.h: Don't declare sparc_align_*.
15947 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
15948 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
15950 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
15952 * config/sparc/sparc.c: Delete sparc_align_loops,
15953 sparc_align_jumps, sparc_align_funcs and the corresponding string
15955 (sparc_override_options): Default align_functions on ultrasparc.
15956 Delete -malign-* handling.
15958 * config/mips/mips.c (override_options): On 64-bit targets,
15959 try to align code to 64-bit boundaries.
15960 (print_operand): New substitution, %~,
15961 which aligns labels to align_labels_log.
15962 * config/mips/mips.md (div_trap_normal): Use %~.
15963 (div_trap_mips16): Likewise.
15965 (absdi2): Likewise.
15966 (ffssi2): Likewise.
15967 (ffsdi2): Likewise.
15968 (ashldi3_internal): Likewise.
15969 (ashrdi3_internal): Likewise.
15970 (lshrdi3_internal): Likewise.
15971 (casesi_internal): Likewise.
15973 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
15975 Merge new ia32 backend from the branch!
15977 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
15978 See ChangeLog.P2 on new_ia32_branch for details.
15980 * rtl.h (stack_regs_mentioned_p): Delete prototype.
15981 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
15982 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
15983 * i386/gas.h (ASM_FILE_START): Define.
15984 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
15985 for name change of ix86_valid_decl_attribute_p.
15986 (i386_pe_valid_type_attribute_p): Similarly.
15988 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
15990 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
15991 to step through CC modes.
15993 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15995 * regmove.c (fixup_match_1): Don't move INSN in front of P if
15996 it would end up in the shadow of a live flags regsiter.
15998 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16000 * reload1.c: Fix many indentation problems.
16001 * reload.c: Likewise.
16003 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
16005 * alias.c (non_local_reference_p): Constify fmt.
16007 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
16009 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
16011 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
16013 * cse.c (delete_trivially_dead_insns): Do not delete stores to
16014 the internal_arg_pointer.
16016 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
16018 Merge peephole2 from new_ia32_branch:
16019 * Makefile.in (STAGESTUFF): Add *.peephole2.
16020 (mostlyclean): Likewise.
16021 (recog.o): Depend on resource.h.
16023 * final.c (peephole): Conditionalize decl on HAVE_peephole.
16024 (final_scan_insn): Likewise for the invocation of peephole.
16025 * genconfig.c (main): Look for peephole and peephole2 patterns.
16026 Emit HAVE_peephole* accordingly.
16027 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
16028 * flags.h (flag_peephole2): Declare.
16029 * toplev.c: New pass peephole2. New flag -fpeephole2.
16031 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
16032 * gencodes.c (main): Likewise.
16033 * genextract.c (main): Likewise.
16034 * genoutput.c (main): Likewise.
16035 * genemit.c (max_operand_1): Look for the max scratch operand.
16036 (gen_rtx_scratch): New.
16037 (gen_exp): Use it, and pass on new arg subroutine_type.
16038 (gen_expand): Take max scratch into account.
16039 (gen_split): Emit peephole2 functions.
16040 (output_peephole2_scratch): New.
16041 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
16042 * genrecog.c (routine_type): Add PEEPHOLE2.
16044 (make_insn_sequence): Match outer parallel for peep2. Discard
16045 top level scratches and dups.
16046 (add_to_sequence): New args insn_type and top. Update all callers.
16047 Handle toplevel peep2 matching insns.
16048 (write_subroutine): Handle peep2.
16049 (write_tree_1): Likewise.
16050 (write_tree): Likewise.
16052 (change_state): New arg afterward. Update all callers.
16053 Handle matching separate insns.
16054 * recog.c (recog_next_insn): New.
16055 (peephole2_optimize): New.
16056 * rtl.def (DEFINE_PEEPHOLE2): New.
16057 * resource.c (find_free_register): New argument last_insn. Use it
16058 to find a register available through the entire span.
16059 * resource.h (find_free_register): Update prototype.
16061 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
16063 * i386.c (output_strlen_unroll): Don't write xops[7]
16064 label if it wasn't set.
16066 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
16068 * cpplib.c (struct directive): Const-ify name pointer and
16069 function pointer prototype.
16070 (validate_else, do_define, do_line, do_include, do_undef,
16071 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
16072 do_elif, do_endif, do_sccs, do_assert, do_unassert,
16073 do_warning): Const-ify second arg.
16074 (directive_table): Mark const. Reorder entries by frequency
16075 of usage, record statistics.
16077 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
16079 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
16080 bounds- check RTL accesses if --enable-checking.
16081 (RTVEC_ELT): Bounds check if --enable-checking.
16082 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
16083 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
16084 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
16086 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
16087 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
16089 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
16090 (NOTE_SOURCE_FILE): Use X0STR.
16091 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
16092 MEM_ALIAS_SET): Use X0INT.
16093 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
16094 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
16096 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
16097 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
16098 (rtl_check_failed_bounds, rtl_check_failed_type1,
16099 rtl_check_failed_type2, rtvec_check_failed_bounds): New
16101 (fancy_abort): Fix comment.
16103 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
16104 (cse_insn): Decrement LABEL_NUSES for jump target before
16105 deleting jump insn.
16106 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
16107 * final.c (alter_subreg): Compute regno before changing x to
16108 REG; set REGNO(x) after changing it.
16109 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
16110 notes containing CONST_INTs.
16111 (delete_eh_regions): Use NOTE_EH_HANDLER.
16112 * function.c (put_reg_into_stack): Make reg a MEM before
16114 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
16116 (gen_mem_addressof): Make reg a MEM before initializing it.
16117 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
16119 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
16120 deleting an insn, not after.
16121 (block_alloc): Only look at PATTERN(insn) if we have to, and
16122 only if it's format class 'i'.
16123 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
16124 CONST_INT before using its INTVAL.
16125 * print-rtl.c (print_rtx): Use X0STR.
16126 * regmove.c (fixup_match_1): Don't look at PATTERN of
16127 non-class-'i' insn chain elements.
16128 * reload.c (loc_mentioned_in_p): Take address of
16129 in->fld[1].rtx directly.
16130 * reload1.c (reload): Change reg to a MEM before initializing
16132 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
16134 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
16136 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
16138 * config/mips/mips.c (machine_dependent_reorg): Force a
16139 barrier to output the local constant pool if a barrier hasn't
16140 been found at a natural point in the instruction stream.
16142 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16144 * c-parse.in (language_string): Constify.
16146 * dwarf2out.c (language_string): Remove declaration.
16148 * dwarfout.c (language_string): Likewise.
16150 * toplev.c (language_string, init_parse, finish_parse): Likewise.
16152 * tree.h (language_string, init_parse, finish_parse): Declare.
16154 * i386/sun386.h (language_string): Remove declaration.
16156 * mips.h (language_string): Likewise.
16158 * nextstep.h (language_string): Likewise.
16160 * nextstep21.h (language_string): Likewise.
16162 * rs6000.c (language_string): Likewise.
16164 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16166 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
16167 (getpwd.o): Remove target.
16169 * getpwd.c: Delete file. Its in libiberty now.
16171 * dbxout.c (getpwd): Don't prototype.
16172 * dwarf2out.c (getpwd): Likewise
16173 * dwarfout.c (getpwd): Likewise
16174 * final.c (getpwd): Likewise.
16175 * protoize.c (getpwd): Likewise.
16177 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16179 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
16181 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
16183 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
16184 mark_set_resources.
16186 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
16188 * fixinc/Makefile.in (subdir): New.
16189 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
16192 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
16194 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
16195 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
16198 * invoke.texi: Fix typo.
16200 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
16201 changed. Handle autoincrement addressing modes.
16203 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
16204 just like we would the virtual incoming args register when
16207 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
16209 * rs6000.h (ASM_FILE_START): Specify complete filename, including
16210 path, in .file directive.
16212 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
16214 * gcc.texi (External Bugs): Remove obsolete note about Perl on
16217 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
16219 * stdbool.h: Make the typedef name _Bool, with bool a #defined
16222 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16224 * tree.c (tree_code_name): Constify a char*.
16226 * tree.h (tree_code_name, decl_printable_name): Likewise.
16228 * function.h (struct function): Likewise.
16230 * toplev.c (decl_name, decl_printable_name): Likewise.
16232 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
16234 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
16235 (init_objc): Remove function pointer cast.
16237 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
16239 * pa.md (interspace_jump): New pattern.
16240 (builtin_longjmp): New expander.
16242 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
16244 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
16245 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
16246 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
16248 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
16250 * jump.c (delete_prior_computation): Also check calls
16251 to constant functions. Don't bother checking for a
16252 REG_UNUSED note before adding it.
16253 (delete_computation): Handle multi-word hard registers
16254 when synthesizing missing REG_DEAD notes for a register
16255 which is both set and used by an insn.
16257 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16259 * loop.c (this_loop_info): New variable.
16260 (loop_has_call, loop_has_volatile, loop_has_tablejump,
16261 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
16263 (prescan_loop, strength_reduce): New argument loop_info. All callers
16265 (scan_loop): New variable loop_info, initialise to address of
16267 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
16268 Delete variable loop_has_multiple_exit targets and replace with
16269 field in this_loop_info.
16270 (find_and_verify_loops): Rename this_loop to this_loop_num.
16271 (strength_reduce): Delete loop_iteration_info. Replace variable
16272 loop_info with function argument of same name.
16273 (insert_bct): Rework test for loop being completely unrolled.
16275 * loop.h (struct loop_info): New fields num, loops_enclosed,
16276 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
16277 has_indirect_jump, and cont. Redefine use of unroll_number.
16278 (loop_unroll_number): Delete.
16280 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
16281 field of loop_info.
16282 (loop_iterations): Delete variable vtop and instead use
16283 loop_info->vtop computed in prescan_loop.
16285 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
16287 * fix-header.c (main): Do not pass a null pointer to strcmp.
16289 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
16291 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
16293 * configure: Rebuilt.
16295 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
16297 * jump.c (jump_optimize_1): Do not delete assignments to
16298 internal_arg_pointer.
16299 * cse.c (delete_trivially_dead_insns): Always consider a set of
16300 the internal_arg_pointer live.
16302 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
16304 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
16305 (update_life_info) [REG_WAS_0]: Search the original insns rather
16306 than the new insns for the note. Fix typos finding note_dest.
16307 If no dest found, discard the note rather than abort.
16308 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
16309 (replace_insns): Remove the old insn list after update_life_info
16312 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
16314 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
16315 sched_analyze_insn.
16316 (sched_analyze_1): Let add_dependence care for not adding dups.
16317 (sched_analyze_2): Likewise.
16318 (add_branch_dependences): Likewise.
16320 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
16322 * i386/winnt.c (export_list): New type.
16323 (exports_head): Rename to
16324 (export_head): this.
16325 (i386_pe_record_exported_symbol): Add is_data flag.
16326 (i386_pe_asm_file_end): Emit directive for exported variables.
16327 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
16329 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
16330 (ASM_DECLARE_OBJECT_NAME): Likewise.
16331 (ASM_DECLARE_FUNCTION_NAME): Likewise.
16332 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
16334 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
16336 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
16338 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
16341 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
16343 * config/openbsd.h: Define SET_ASM_OP.
16344 * tm.texi: cross-reference SET_ASM_OP in the index.
16346 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
16348 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
16349 for a CONST_DOUBLE, at compile time. Initialize rtx_length
16350 and class_narrowest_mode at compile time. Kill init_rtl.
16351 Mark rtx_length, mode_class, mode_size, mode_unit_size,
16352 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
16353 rtx_format as const. Kill all references to EXTRA_CC_MODES or
16355 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
16357 * rtl.h: Declare rtx_length and rtx_format as const.
16358 * machmode.def: Define CC(). Use CC() to define CCmode. If
16359 EXTRA_CC_MODES is defined, expand it here.
16360 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
16361 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
16362 const. Kill all references to EXTRA_CC_MODES.
16364 * toplev.c: Don't prototype or call init_rtl.
16365 * optabs.c: Don't call init_mov_optab.
16366 * genemit.c: Don't generate init_mov_optab. Don't call
16368 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
16370 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
16371 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
16372 genrecog.c: Don't call init_rtl.
16374 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
16375 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
16376 definition of EXTRA_CC_MODES.
16378 * md.texi: Kill ref to EXTRA_CC_NAMES.
16379 * tm.texi: Document new way to define EXTRA_CC_MODES.
16381 * genrecog.c: Do not look up the name of a define_split.
16382 (Unrelated bugfix.)
16384 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
16386 * config/v850/v850.md: Fix typo introduced by previous delta.
16388 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16390 * gcc.c (fatal): Make definition static to match prototype.
16392 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16394 * combine.c (get_last_value): Don't look for earlier sets if the last
16395 known set is somewhere in between the insns being combined.
16397 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
16399 * configure.in: Don't use shell ! to negate exit codes
16400 * configure: Regenerate
16402 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
16404 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
16405 the fact that ALIGN is measured in bits, not bytes.
16407 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
16409 * errors.c: New file; defines functions error, warning, and
16410 fatal, variables have_error and progname.
16411 * errors.h: New file; prototypes and decls for stuff in errors.c.
16413 * Makefile: Add rules to build errors.o and
16414 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
16415 genopinit, genrecog, genextract, genpeep, genattr, and
16416 genoutput with errors.o. Add errors.h to deps of genconfig.o,
16417 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
16418 genpeep.o, genattr.o, and genoutput.o.
16420 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
16421 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
16422 define or prototype fatal. Set progname at beginning of main.
16423 * genoutput.c: Likewise, and don't define or prototype error
16426 * c-typeck.c (c_expand_start_case): Return immediately if exp
16428 * fold-const.c (operand_equal_p): Return immediately if arg1
16429 or arg0 are ERROR_MARKs.
16430 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
16431 fields of type ERROR_MARK when calculating if the record can
16434 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
16435 with much help from Jeffrey A Law and Richard Henderson
16437 * i386.md: In the 6 insns which call output_fix_trunc,
16438 earlyclobber operands[0].
16440 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
16442 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
16443 creating new registers.
16445 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
16447 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
16448 i386_reg_alloc_order, i386_regparm_string,
16449 i386_align_loops_string, i386_align_jumps_string,
16450 i386_align_funcs_string, i386_preferred_stack_boundary_string,
16451 and i386_branch_cost_string as type "const char *".
16452 * i386.c: Define all above strings as type "const char *".
16454 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
16456 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
16457 when emitting alignment padding. Emit padding byte of 0 instead of 4.
16459 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
16461 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
16462 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
16464 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
16466 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
16467 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
16468 (dwarf2out_line, dwarf2out_finish): Likewise.
16469 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
16471 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16473 * tree.c (lang_unsave_expr_now) : Correct return type.
16474 * tree.h (lang_unsave_expr_now) : Same.
16476 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
16478 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
16479 instead of duplicating code.
16481 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16483 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
16485 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
16487 * tree.h: fancy_abort always takes three args.
16488 * resource.c: Move include of system.h before toplev.h.
16490 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
16492 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
16495 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
16497 * system.h: Don't redefine abort or trim_filename.
16498 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
16499 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
16500 whether or not __FUNCTION__ is available.
16501 * tree.h: Duplicate rtl.h's definition of abort, for files
16502 that don't include rtl.h. Delete all code to perform type
16503 checking with a compiler other than GCC.
16504 * varray.h: Delete all code to perform type checking with a
16505 compiler other than GCC. Make VARRAY_CHECK() always evaluate
16506 its arguments exactly once, using a statement expression.
16507 Adjust the VARRAY_<type> accessor macros to match.
16508 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
16509 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
16510 caller's location. Define fatal_insn and fatal_insn_not_found
16511 as macros that use _fatal_insn and _fatal_insn_not_found.
16512 (fancy_abort, trim_filename): Kill prototypes.
16514 * rtl.c (trim_filename): Move here from toplev.c.
16515 (fancy_abort): New function.
16516 (DIR_SEPARATOR): Provide default definition.
16517 * tree.c (tree_check_failed, tree_class_check_failed): Go
16518 through fancy_abort.
16519 (tree_check, tree_class_check, cst_or_constructor_check,
16520 expr_check): Delete.
16521 * varray.c (varray_check_failed): New function.
16522 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
16523 _fatal_insn and _fatal_insn_not_found. Go through
16525 (trim_filename, fancy_abort): Delete.
16527 * builtins.c (expand_builtin_args_info): Report ICE with abort.
16528 * except.c (start_catch_handler): Report ICE with error/abort
16530 * final.c (output_operand_lossage): Likewise.
16531 * flow.c (verify_flow_info): Likewise.
16533 * gcc.c: Prototype fatal.
16534 * gengenrtl.c: Undef abort after including rtl.h not system.h.
16535 * genattr.c, genattrtab.c, genemit.c, genextract.c,
16536 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
16537 Don't define fancy_abort.
16539 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
16541 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
16544 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
16546 * m88k.h (VERSION_INFO2): Kill.
16547 (VERSION_STRING): Kill.
16549 (VERSION_INFO1): Tidy.
16550 (TARGET_VERSION): Update.
16551 * m88k/dgux.h (VERSION_INFO2): Kill.
16552 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
16553 * m88k/luna.h (VERSION_INFO1): Tidy.
16554 * m88k/sysv4.h (VERSION_INFO1): Likewise.
16555 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
16556 (output_file_start): Adjust for death of VERSION_STRING.
16558 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
16560 * cpplib.c (detect_if_not_defined): New function.
16561 (do_if): Use it to detect potential once-only headers.
16563 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
16565 * c-common.c (combine_strings): Always set TREE_CONSTANT.
16567 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16569 * combine.c (nonzero_bits) : Allow single-ly set registers to be
16570 anywere in the function only if they are pseudos and set before
16571 being used (not live at the start of the function).
16572 (num_sign_bit_copies) : Same.
16573 (get_last_value_validate) : Same.
16574 (get_last_value) : Same.
16576 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
16578 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
16579 where N and M are constant and N is an integer multiple of M.
16581 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16583 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
16584 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
16585 sbitmap_union_of_preds): Add prototypes.
16586 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
16587 the intersection of successors with the new flow graph structures.
16588 (sbitmap_intersection_of_preds): New function to compute the
16589 intersection of predecessors with the new flow graph structures.
16590 (sbitmap_union_of_succs): New function to compute the union of
16591 successors with the new flow graph structures.
16592 (sbitmap_union_of_preds): New function to compute the union of
16593 predecessors with the new flow graph structures.
16594 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
16595 (expr_reaches_here_p): Use edge and basic_block structures instead
16596 of s_preds and s_succs.
16597 (compute_cprop_avinout): Use new sbitmap routines.
16598 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
16599 of s_preds and s_succs.
16600 * flow.c (compute_flow_dominators): Compute dominators using
16601 edges and basic blocks instead of s_preds and s_succs.
16603 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16605 * lists.c (unused_insn_list, unused_expr_list): New file for
16606 maintaining various types of lists. New statics for maintaining a
16607 cache of available INSN_LIST and EXPR_LIST nodes.
16608 (free_list): Static function for freeing a list of INSN/EXPR nodes.
16609 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
16610 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
16611 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
16612 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
16613 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
16614 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
16615 (free_INSN_LIST_node): Free an individual INSN_LIST node.
16616 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
16617 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
16618 (remove_dependence, free_pending_lists): Use new global routines.
16619 (flush_pending_lists, sched_analyze_insn): Use new global routines.
16620 (sched_analyze, compute_block_backward_dependences): Use new routines.
16621 (sched_analyze_1, sched_analyze_2): Use new routines.
16622 (schedule_insns): Use new global routines.
16623 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
16625 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
16626 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
16628 * toplev.c (rest_of_compilation): Initialize node cache.
16629 * Makefile.in (OBJS): Add lists.o to list of object files.
16630 (lists.o): Add dependancies.
16632 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
16634 * config/v850/v850.md: Fix compile time warning messages.
16635 * config/v850/v850.c: Fix compile time warning messages.
16636 * config/v850/v850.h: Fix compile time warning messages.
16638 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16640 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
16641 Remove unused prototype for `init_lengths'.
16643 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16645 * calls.c (emit_call_1): Mark parameter `stack_size' with
16647 (expand_call): Initialize variable `insn'.
16648 (emit_library_call): Likewise for variable `high_to_save'.
16649 (emit_library_call_value): Likewise.
16650 (store_one_arg): Likewise for variables `lower_bound' and
16653 * combine.c (try_combine): Likewise for variables `i2_code_number'
16654 and `other_code_number'.
16655 (find_split_point): Likewise for variables `pos', `unsignedp' and
16657 (simplify_if_then_else): Likewise for variables `op' and `c1'.
16658 (simplify_and_const_int): Remove unused variable `width'.
16659 (merge_outer_ops): Likewise.
16661 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
16662 HOST_WIDE_INT' when comparing against one.
16663 (simplify_relational_operation): Likewise.
16664 (cse_insn): Initialize variables `src_eqv_volatile',
16665 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
16667 * final.c (init_final): Constify parameter `filename'.
16668 (final_start_function): Mark parameter `optimize' with
16670 (profile_function): Likewise for parameters `first' and `optimize'.
16671 (output_source_line): Likewise for parameter `file'.
16673 * integrate.c (subst_constants): Cast a value to `size_t' when
16674 comparing against one.
16675 (mark_stores): Initialize variable `mode'. Cast a value to
16676 `size_t' when comparing against one.
16678 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
16680 * loop.c (move_movables): Initialize variable `first'.
16681 (strength_reduce): Likewise for variable `increment'.
16682 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
16683 value to `size_t' when comparing against one.
16684 (load_mems): Initialize variable `end_label'.
16686 * output.h (init_final): Constify parameter.
16688 * reload.c (decompose): Initialize variable `base'.
16690 * reload1.c (reload): Likewise for variable `is_scalar'.
16691 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
16692 (choose_reload_regs): Initialize variable `mode'.
16693 (emit_reload_insns): Likewise for variable `store_insn'.
16694 (reload_cse_noop_set_p): Mark parameter `insn' with
16696 (reload_combine): Initialize variable `set'.
16698 * unroll.c (unroll_loop): Likewise for variable `local_label'.
16699 (copy_loop_body): Cast a value to `size_t' when comparing against
16702 * varasm.c (assemble_variable): Initialize variable `size_tree'.
16703 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
16704 (remove_from_pending_weak_list): Mark parameter `name' with
16707 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16709 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
16712 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
16714 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
16715 (ASM_DECLARE_FUNCTION_NAME): Define.
16716 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
16717 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
16718 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
16719 not already defined.
16721 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
16723 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
16724 of n_popped when call/call_value are not defined.
16726 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
16728 * tm.texi: GNU CC -> GCC conversion.
16729 (CC1_SPEC): Indicate it is used for all language front ends.
16731 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
16733 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
16734 NOTE_INSN_EH_REGION_END correctly.
16736 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16737 Jeff Law <law@cygnus.com>
16739 * loop.c (strength_reduce): Automatically unroll loops if the
16740 unrolled loop size is smaller than the rolled loop size.
16742 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
16743 and delete comment that code should be rewritten.
16745 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
16747 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
16750 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
16752 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
16754 * fixinc/mkfixinc.sh: Don't fix uwin headers.
16755 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
16756 (LINK_SPEC): Add -u _main when building executables.
16757 (ASM_DECLARE_FUNCTION): Update from Cygwin.
16758 (ASM_FILE_END): Use the default for ix86-pe.
16759 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
16761 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
16763 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
16764 and ASM_CLOSE_PAREN are empty strings.
16766 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
16767 Geoffrey Keating <geoffk@cygnus.com>
16769 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
16770 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
16771 (unprotoize.o): Ditto.
16772 (test-protoize-simple): Don't define STD_PROTO_DIR.
16773 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
16774 changes to make 'test-protoize-simple' pass.
16775 (STD_PROTO_DIR): Remove define.
16776 (STANDARD_EXEC_PREFIX): Supply default define.
16777 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
16778 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
16779 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
16780 (GET_ENV_PATH_LIST): New macro.
16781 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
16782 (do_processing): Initialize default_syscalls_dir using new
16783 macros. Use it to initialize syscalls_absolute_filename.
16785 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
16787 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
16788 B into a register before emit_conditional_move.
16790 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
16792 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
16793 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
16794 multiplicand out of (+ (* a b) (* c d)).
16796 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
16797 Richard Henderson <rth@cygnus.com>
16799 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
16800 (new_insn_dead_notes): Likewise.
16801 (update_n_sets): Likewise.
16802 (update_flow_info): Move to flow.c, renamed to update_life_info;
16803 extend to handle multiple source insns.
16804 * flow.c: Include resource.h
16805 (unlink_insn_chain): New.
16806 (split_hard_reg_notes): New.
16807 (maybe_add_dead_note): New.
16808 (maybe_add_dead_note_use): New.
16809 (find_insn_with_note): New.
16810 (new_insn_dead_notes): New.
16811 (update_n_sets): New.
16812 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
16813 (maybe_remove_dead_notes): New.
16814 (update_life_info): New.
16815 (prepend_reg_notes): New.
16816 (replace_insns): New.
16817 * output.h (update_life_info): Declare.
16818 * recog.c (split_block_insns): Use update_life_info.
16819 * resource.c (find_free_register): Use reg_alloc_order, don't use
16820 fixed regs, make sure the mode is supported, don't use new regs.
16822 * rtl.h (replace_insns): Declare.
16824 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
16826 * expr.c (expand_expr): Cope with COND_EXPRs with one
16827 non-returning branch.
16829 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
16831 * expr.c (store_expr): Always pass down the target, even when not
16834 1999-08-24 Nick Clifton <nickc@cygnus.com>
16836 * configure.in: Define target_cpu_default for v850 targets.
16837 * configure: Regenerate
16839 * config/v850/v850.h (TARGET_CPU_generic): Define.
16840 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
16841 addresses are 4 byte aligned.
16843 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
16846 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16848 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
16849 (main): Add prototypes.
16851 * genattrtab.c (substitute_address, write_const_num_delay_slots,
16852 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
16853 (write_attr_get): Emit prototypes along with function definition.
16854 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
16855 (write_complex_function): Emit static prototype along with
16856 function definition.
16858 * genemit.c (gen_split): Emit prototypes along with function
16861 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
16862 Likewise for predicates and `insn_operand_predicate'.
16863 (process_template): Emit static prototype along with function
16866 * genrecog.c (make_insn_sequence): Constify a char*. Add
16867 prototypes for get_split_*().
16868 (write_subroutine): Emit prototypes along with function
16871 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16873 * gcse.c (find_avail_set): Follow chains of register-register copies.
16874 Use oprs_not_set_p to guarantee that the returned value can be
16876 (cprop_insn): Don't verify the return value of find_avail_set with
16879 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
16880 (cprop_cc0_jump): New function.
16881 (cprop_insn): Break out new function cprop_jump and use it.
16882 Also use cprop_cc0_jump for machines with CC0.
16883 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
16885 * tree.h (current_function_calls_setjmp,
16886 current_function_calls_longjmp): Delete declarations.
16887 * dsp16xx.c: Include "function.h".
16888 * elxsi.c: Likewise.
16889 * gmicro.c: Likewise.
16890 * h8300.c: Likewise.
16891 * i370.c: Likewise.
16892 * m32r.c: Likewise.
16893 * mn10200.c: Likewise.
16894 * mn10300.c: Likewise.
16895 * ns32k.c: Likewise.
16896 * spur.c: Likewise.
16897 * v850.c: Likewise.
16899 * rtl.h (rtx_equal_function_value_matters): Declare.
16900 * toplev.c (rtx_equal_function_value_matters): Don't declare.
16902 * function.c: Likewise.
16903 * emit-rtl.c: Likewise.
16905 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
16907 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
16910 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16912 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
16915 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
16917 * cpp.texi: Add a node documenting macro varargs (copied
16920 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
16922 * cppspec.c: Put a null pointer at the end of the new argv.
16924 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
16926 * configure.in: Remove code to select/de-select the haifa
16927 scheduler. Every scheduled port gets haifa now.
16928 * configure: Rebuilt.
16929 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
16931 * Makefile.in: Corresponding changes.
16933 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16935 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
16936 All callers changed.
16937 (prepare_float_lib_cmp): Likewise.
16938 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
16939 * expr.h (emit_float_lib_cmp): Delete declaration.
16940 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
16941 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
16942 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
16944 (cmptf): Now conditional on TARGET_HARD_QUAD.
16946 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
16948 * resource.c (mark_target_live_regs): Use
16949 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
16951 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16953 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
16955 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
16957 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
16959 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16961 * rtl.h (rtx_format): Constify a char*.
16963 * rtl.c (rtx_format): Likewise.
16964 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
16965 (init_rtl): Use accessor macro, not `rtx_format'.
16967 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
16970 * caller-save.c (mark_referenced_regs): Likewise.
16972 * combine.c (subst, make_compound_operation, known_cond,
16973 gen_rtx_combine, update_table_tick, get_last_value_validate,
16974 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
16976 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
16977 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
16978 count_reg_usage): Likewise.
16980 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
16983 * final.c (leaf_renumber_regs_insn): Likewise.
16985 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
16986 dump_edge_info, count_reg_references): Likewise.
16988 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
16989 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
16992 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
16993 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
16994 add_label_notes): Likewise.
16996 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
16997 clear_struct_flag, count_sub_rtxs, count_alternatives,
16998 compares_alternatives_p, contained_in_p, walk_attr_value,
16999 write_expr_attr_cache): Likewise.
17001 * genconfig.c (walk_insn_part): Likewise.
17003 * genemit.c (max_operand_1, gen_exp): Likewise.
17005 * genextract.c (walk_rtx): Likewise.
17007 * genflags.c (num_operands): Likewise.
17009 * genoutput.c (scan_operands): Likewise.
17011 * genpeep.c (match_rtx): Likewise.
17013 * genrecog.c (add_to_sequence): Likewise.
17015 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
17018 * integrate.c (save_constants, copy_for_inline,
17019 copy_rtx_and_substitute, subst_constants, restore_constants):
17022 * jump.c (mark_jump_label, invert_exp, redirect_exp,
17023 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
17025 * local-alloc.c (contains_replace_regs, memref_referenced_p):
17028 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
17029 add_label_notes, replace_call_address, count_nonfixed_reads,
17030 invariant_p, find_single_use_in_loop, find_mem_givs,
17031 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
17034 * print-rtl.c (reg_names, print_rtx): Likewise.
17036 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
17038 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
17039 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
17040 print_blocks): Likewise.
17042 * regclass.c (fix_register, record_address_regs,
17043 reg_scan_mark_refs): Likewise.
17045 * regmove.c (stable_but_for_p): Likewise.
17047 * reload.c (loc_mentioned_in_p, operands_match_p,
17048 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
17049 copy_replacements, refers_to_regno_for_reload_p,
17050 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
17051 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
17054 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
17055 delete_address_reloads_1, count_occurrences,
17056 reload_cse_mem_conflict_p, reload_combine_note_use,
17057 add_auto_inc_notes): Likewise.
17059 * resource.c (mark_referenced_resources, mark_set_resources):
17062 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
17063 reg_mentioned_p, regs_set_between_p, modified_between_p,
17064 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
17065 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
17066 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
17067 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
17069 * sched.c (sched_analyze_2, attach_deaths): Likewise.
17071 * stupid.c (stupid_mark_refs): Likewise.
17073 * unroll.c (remap_split_bivs): Likewise.
17075 * varasm.c (mark_constants): Likewise.
17077 * a29k/a29k.c (uses_local_reg_p): Likewise.
17079 * alpha/alpha.c (summarize_insn): Likewise.
17081 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
17082 eliminate_lr2ip): Likewise.
17084 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
17086 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
17087 reg_mentioned_in_mem): Likewise.
17089 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
17090 symbolic_reference_mentioned_p): Likewise.
17092 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
17094 * sh/sh.c (regs_used, mark_use): Likewise.
17096 * vax/vax.c (vax_rtx_cost): Likewise.
17098 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17100 * machmode.h (mode_name): Constify a char*.
17102 * rtl.c (mode_name): Likewise.
17104 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
17106 * optabs.c (init_libfuncs): Constify a char*.
17108 * print-tree.c (mode_name): Remove redundant declaration.
17109 (print_node): Use accessor macro, not `mode_name'.
17111 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
17113 (new_spill_reg): Constify a char*.
17115 * tree.c (mode_name): Remove redundant declaration.
17117 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17119 * rtl.c (rtx_name): Constify a char*.
17121 * rtl.h (rtx_name, fix_sched_param): Likewise.
17123 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
17124 (mypr): Use accessor macro, not `rtx_name'.
17126 * genemit.c (print_code): Constify a char*.
17128 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
17130 * genpeep.c (print_code): Constify a char*.
17132 * genrecog.c (print_code): Likewise.
17134 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
17135 end_bb): Add static prototype.
17136 (draw_edge): Constify a char*.
17137 (end_bb): Remove unused parameter.
17139 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
17140 print_block_visualization): Constify a char*.
17142 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
17144 * c-common.c (c_get_alias_set): Update comment.
17146 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17148 * linux.h (LIB_SPEC): Added.
17150 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17152 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
17154 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
17156 * tree.c (expr_check): Fix typo in last change.
17158 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
17160 * rtl.def (NOTE): Change format to "iuu0n".
17161 (ADDR_DIFF_VEC): Change format to "eEee0".
17162 (ADDRESSOF): Change format to "eit".
17164 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
17165 (RTVEC_ELT): Change to match.
17166 (XVECEXP): Use XVEC and RTVEC_ELT.
17167 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
17168 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
17169 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
17170 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
17171 TRAP_CONDITION, TRAP_CODE): Use XEXP.
17172 (INTVAL): Use XWINT.
17173 (ADDRESSOF_DECL): Use XTREE.
17174 (SET_ADDRESSOF_DECL): Delete.
17175 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
17176 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
17177 ifdefed out since 2.6 at least.
17178 (gen_rtvec_vv): Delete prototype.
17180 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
17182 (copy_most_rtx): Handle 't' format letter.
17183 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
17184 (gen_rtvec_vv): Delete function. All callers changed to use
17185 gen_rtvec_v instead.
17186 * print-rtl.c (print_rtx): Move special casing of NOTEs to
17187 the '0' format letter.
17189 * function.c (gen_mem_addressof): Don't use
17190 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
17192 * integrate.c (copy_rtx_and_substitute): Likewise.
17193 Copy 't' slots with XTREE.
17194 (subst_constants): Treat 't' slots like '[swi]' slots.
17195 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
17196 * jump.c (rtx_equal_for_thread_p): Likewise.
17197 * rtlanal.c (rtx_equal_p): Likewise.
17198 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
17199 only four arguments.
17200 * gengenrtl.c (type_from_format): Provide correct types for
17204 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
17205 If a recent gcc is in use (always in stage2 and beyond), use
17206 statement expressions, so we don't make a function call unless
17207 the check fails. Evaluate arguments exactly once.
17208 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
17209 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
17211 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
17212 they evaluate their arguments exactly once, irrespective of
17213 the compiler in use.
17215 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
17216 is used by the currently-enabled check macros. This is:
17217 (tree_check_failed, tree_class_check_failed): For gcc.
17218 (tree_check, tree_class_check, cst_or_constructor_check,
17219 expr_check): For other compilers.
17221 * gencheck.c: Do not define any *_CHECK1 macros.
17223 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
17224 Mark Mitchell <mark@codesourcery.com>
17226 * c-common.c (c_get_alias_set): Fix support for poitners and
17229 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
17231 * alias.c: Include tree.h.
17232 (nonlocal_reference_p, mark_constant_function): New functions.
17233 * flow.c (life_analysis): Call mark_constant_function.
17234 * rtl.h (mark_constant_function): Declare it.
17236 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
17238 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
17239 unrecognisable switches.
17241 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17243 * loop.c (recombine_givs): Set ix field after sorting.
17244 (recombine_givs): Remove bogus index / giv lockstep looping.
17246 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17248 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
17250 (emit_store_flag_force): Use do_compare_rtx_and_jump.
17251 (do_cmp_and_jump): Formatting fixes.
17252 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
17253 do_compare_rtx_and_jump instead of compare_from_rtx.
17254 (do_compare_rtx_and_jump): New function; mostly copied from
17256 (do_jump_for_compare): Delete.
17257 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
17259 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
17260 of compare/do_jump_for_compare pairs.
17261 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
17262 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
17263 compare_from_rtx/do_jump_for_compare pairs.
17264 (do_jump_by_parts_equality): Likewise.
17265 (do_jump_by_parts_equality_rtx): Likewise.
17266 * expr.h (do_compare_rtx_and_jump): Declare.
17267 * optabs.c (prepare_cmp_insn): New function, contains most of the code
17268 that used to be in emit_cmp_insn.
17269 (cmp_available_p): New function.
17270 (prepare_operand): New function.
17271 (emit_cmp_and_jump_insn_1): New function, contains some code that used
17272 to be in emit_cmp_insn.
17273 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
17274 parameters to be pointers; don't emit final compare but modify some of
17275 the values pointed to by the args so the caller can perform the
17276 correct comparison.
17277 (expand_binop): Call emit_store_flag_force with signed forms of
17279 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
17280 emit_jump_insn pair.
17281 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
17282 emit_cmp_and_jump_insn_1. Call emit_queue.
17283 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
17285 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
17286 jump sets cc0 before deleting it.
17287 * integrate.c (expand_inline_function): Likewise.
17288 * unroll.c (unroll_loop): Similar changes in several places.
17289 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
17290 before deleting it.
17292 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17294 * Makefile.in (insn-recog.o): Update dependencies.
17295 * genrecog.c (main): Make generated file include "function.h".
17297 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
17299 * cse.c (cse_insn): Call never_reached_warning when a jump is
17300 changed to be unconditional.
17301 * flags.h: Declare warn_notreached.
17302 * flow.c (delete_block): Call never_reached_warning when
17303 a block is deleted.
17304 * jump.c (delete_barrier_successors): Call never_reached_warning
17305 when we delete everything after a BARRIER.
17306 (never_reached_warning): New function.
17307 * rtl.h: Declare never_reached_warning.
17308 * toplev.c (warn_notreached): New variable.
17309 (lang_independent_options): Set warn_notreached
17310 when -Wunreachable-code.
17311 (compile_file): We need line numbers for -Wunreachable-code.
17313 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
17315 * haifa-sched.c (insn_unit): Fix typo on out of range test.
17316 * sched.c (insn_unit): Likewise.
17318 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
17320 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
17322 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17324 * flow.c (create_edge_list): Use xmalloc, not malloc.
17326 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
17328 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
17329 C-style comments. Do not lose the character before double slash.
17331 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17333 * basic-block.h (struct edge_list): Stucture to maintain a vector
17335 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
17336 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
17337 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
17338 New function prototypes.
17339 * flow.c (create_edge_list): Function to create an edge list.
17340 (free_edge_list): Discards memory used by an edge list.
17341 (print_edge_list): Debug output showing an edge list.
17342 (verify_edge_list): Internal consistency check for an edge list.
17343 (find_edge_index): Function to find an edge index for a pred and succ.
17345 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
17347 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
17350 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
17352 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
17354 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17356 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
17358 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
17360 * toplev.c (rest_of_compilation): Allow machine dependent
17361 reorganisation pass to place information into the RTL dump
17362 file if it so wishes.
17364 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
17366 * explow.c (hard_function_value): Use VOIDmode instead of
17368 * stmt.c (expand_return): Likewise.
17369 * stor-layout.c (get_best_mode): Likewise.
17371 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
17372 emit call instead of emit_insn call.
17374 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
17376 * configure.in: Handle --disable/enable-win32-registry.
17377 * install.texi: Document --disable/enable-win32-registry.
17378 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
17379 (WIN32_REGISTRY_KEY): New macro.
17380 * prefix.c: Use to enable/disable win32-specific code.
17381 (lookup_key): Use versioned key.
17382 * configure: Regenerate.
17383 * config.in: Likewise.
17385 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
17387 * cpplib.c (read_line_number): New fn, split out of...
17390 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17392 tree.c (lang_unsave_expr_now) : New.
17393 (unsave_expr_now): Call lang_unsave_expr_now.
17394 tree.h (lang_unsave_expr_now) : New.
17396 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
17398 * toplev.c (flag_new_exceptions): On by default.
17400 1999-08-13 Michael Meissner <meissner@cygnus.com>
17402 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
17404 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17406 * dwarfout.c (fundamental_type_code): Return FT_boolean for
17407 INTEGER_TYPE with precision==1, it's __java_boolean.
17409 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17411 * global.c (prune_preferences): Move some invariants out of the
17414 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
17416 * configure.in (alpha*-dec-osf*): Add osf5.
17418 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
17420 * configure.in: Rework handling of ARM GNU/Linux slightly.
17421 (arm*-*-linux-gnuoldld): New target.
17422 * configure: Regenerate.
17423 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
17424 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
17425 * config/arm/linux-oldld.h: New file.
17426 * config/arm/linux-elf26.h: Don't include linux-elf.h.
17427 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
17429 * config/arm/linux-elf.h (ASM_SPEC): Define.
17430 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
17431 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
17432 for 26-bit APCS and old linker.
17433 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
17435 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
17436 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
17437 don't define `arm' or `arm_elf'.
17438 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
17439 MULTILIB_DIRNAMES): Define. Fix typo in comment.
17441 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
17443 * rtl.texi: Fix typo.
17445 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
17447 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
17449 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
17451 * extend.texi (C++ Signatures): Remove node.
17452 * invoke.texi: Remove discussion of -fhandle-signatures,
17453 signature, sigof, __signature__, and __sigof__.
17455 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
17457 * Makefile.in (JAVAGC): Removed.
17459 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
17461 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17463 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
17465 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17467 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
17469 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
17470 a register that is already known to be a pointer.
17472 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
17474 * fixinc/inclhack.tpl: Only install assert.h conditionally.
17475 * fixinc/inclhack.sh: Regenerated.
17476 * fixinc/fixincl.sh: Regenerated.
17478 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
17480 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
17481 Fix documentation of -ansi flag to describe its C++ behavior.
17482 Remove bogus reference to GCC 2.9.
17484 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
17486 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
17487 note if it is non-NULL.
17489 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17491 * except.h (eh_nesting_info): Add new structure defintion.
17492 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
17493 (reachable_handlers, update_rethrow_references): Add function
17495 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
17496 a rethrow symbol instead of an integer exception region number.
17497 * flow.c (Make_edges): Use new exception nesting routines to determine
17498 which handlers are reachable from a CALL or asynchronous insn.
17499 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
17501 (delete_eh_regions): Update rethrow labels, and don't delete
17502 regions which are the target of a rethrow.
17503 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
17504 avoid overloading the SYMBOL_REF_USED flag.
17505 (rethrow_symbol_map): Use new rethrow_ref field.
17506 (rethrow_used): Use new rethrow_ref field.
17507 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
17508 of an integer. Fix formatting.
17509 (output_exception_table_entry): Use new rethrow_ref field.
17510 (can_throw): Check for EH_REGION_NOTE before deciding
17511 whether a CALL can throw or not.
17512 (scan_region): Call rethrow_used() instead of accessing data structure.
17513 (update_rethrow_references): New function to make sure only regions
17514 which are still targets of a rethrow are flagged as such.
17515 (process_nestinfo): New static function to initialize a handler
17516 list for a specific region.
17517 (init_eh_nesting_info): New function to allocate and initialize
17518 the list of all EH handlers reachable from all regions.
17519 (reachable_handlers): New function to retrieve the list of handlers
17520 reachable from a specific region and insn.
17521 (free_eh_nesting_info): New function to dispose of a list of
17522 reachable handlers.
17524 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17526 * flow.c (split_edge): Set JUMP_LABEL field.
17527 (commit_one_edge_insertion): Set head correctly for insert_before.
17528 When inserting insns, update insn block numbers if allocated.
17530 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17532 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
17533 retry_incomplete_types): Add static prototype.
17534 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
17535 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
17536 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
17537 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
17538 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
17541 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
17542 dwarf2out_start_source_file, dwarf2out_line): Likewise.
17544 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17546 * output.h (assemble_name): Constify a char*.
17548 * varasm.c (UNIQUE_SECTION, assemble_start_function,
17549 assemble_variable, assemble_name): Likewise.
17551 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
17553 * arm/pe.c (arm_pe_unique_section): Likewise.
17555 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
17557 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
17559 * i386/interix.c (i386_pe_unique_section): Likewise.
17561 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
17563 * i386/winnt.c (i386_pe_unique_section): Likewise.
17565 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
17567 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
17569 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
17571 * pa/pa.c (output_call): Likewise.
17573 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
17575 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
17577 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
17580 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
17583 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
17585 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
17586 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
17588 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
17590 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17592 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
17594 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17596 * tree.h (lang_identify): Constify a char*.
17597 (print_error_function): Add extern prototype. Constify a char*.
17599 * c-lang.c (lang_identify): Constify a char*.
17601 * objc/objc-act.c (lang_identify): Constify a char*.
17603 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17605 * genpeep.c (main): Make generated file include "function.h".
17606 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
17608 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17610 * Makefile.in: Update dependencies.
17611 * alias.c: Include "function.h"
17612 * c-decl.c: Likewise.
17613 * caller-save.c: Likewise.
17614 * calls.c: Likewise.
17615 * combine.c: Likewise.
17617 * explow.c: Likewise.
17618 * final.c: Likewise.
17619 * global.c: Likewise.
17620 * graph.c: Likewise.
17621 * local-alloc.c: Likewise.
17622 * loop.c: Likewise.
17623 * optabs.c: Likewise.
17624 * profile.c: Likewise.
17625 * recog.c: Likewise.
17626 * regclass.c: Likewise.
17627 * regmove.c: Likewise.
17628 * reload.c: Likewise.
17629 * reorg.c: Likewise.
17630 * resource.c: Likewise.
17631 * sched.c: Likewise.
17632 * stupid.c: Likewise.
17633 * config/1750a/1750a.c: Likewise.
17634 * config/a29k/a29k.c: Likewise.
17635 * config/arc/arc.c: Likewise.
17636 * config/arm/arm.c: Likewise.
17637 * config/arm/thumb.c: Likewise.
17638 * config/c4x/c4x.c: Likewise.
17639 * config/clipper/clipper.c: Likewise.
17640 * config/convex/convex.c: Likewise.
17641 * config/fx80/fx80.c: Likewise.
17642 * config/i860/i860.c: Likewise.
17643 * config/m68k/m68k.c: Likewise.
17644 * config/m88k/m88k.c: Likewise.
17645 * config/mips/mips.c: Likewise.
17646 * config/pdp11/pdp11.c: Likewise.
17647 * config/pyr/pyr.c: Likewise.
17648 * config/romp/romp.c: Likewise.
17649 * config/sh/sh.c: Likewise.
17650 * config/tahoe/tahoe.c: Likewise.
17651 * config/vax/vax.c: Likewise.
17652 * config/we32k/we32k.c: Likewise.
17653 * config/sparc/sparc.c: Include "function.h".
17654 (mem_min_alignment): Test current_function rather than
17655 regno_pointer_align.
17656 * config/pa/pa.c: Likewise.
17657 (compute_frame_size): Delete declaration of
17658 current_function_outgoing_args_size.
17659 * config/arc/arc.h (current_function_varargs): Delete declaration.
17660 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
17662 * config/i370/i370.h (current_function_outgoing_args_size): Delete
17664 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
17665 current_function_uses_pic_offset_table.
17666 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
17667 of current_function_returns_pointer.
17668 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17669 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17670 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17671 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17672 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17673 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17674 * config/m88k/m88k.c: Include "function.h"
17675 (call_used_regs, current_function_pretend_args_size,
17676 current_function_outgoing_args_size, frame_pointer_needed): Delete
17678 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
17680 * config/mips/mips.h (current_function_calls_alloca): Delete
17682 * config/mn10200/mn10200.h (current_function_needs_context,
17683 rtx_equal_function_value_matters): Delete declarations.
17684 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
17685 flag_pic): Delete declarations.
17686 * config/pa/pa.h (current_function_pretend_args_size,
17687 current_function_decl): Delete declarations.
17688 * config/pa/som.h (current_function_varargs): Delete declaration.
17689 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
17691 * config/pyr/pyr.h (current_function_pretend_args_size,
17692 current_function_args_size, current_function_calls_alloca): Delete
17694 * config/sh/sh.h (current_function_varargs): Delete declaration.
17695 * config/sparc/sparc.h (current_function_outgoing_args_size,
17696 current_function_calls_alloca, current_function_decl): Delete
17698 * config/spur/spur.h (current_function_pretend_args_size,
17699 current_function_calls_alloca): Delete declarations.
17700 * config/v850/v850.c (current_function_outgoing_args_size): Delete
17702 * config/vax/vms.h (current_function_name): Delete declaration.
17703 * gcse.c: Include "function.h".
17704 (current_function_name, current_function_calls_setjmp): Delete
17706 * haifa-sched.c: Include "function.h".
17707 (forced_labels): Delete declaration.
17708 * jump.c: Likewise.
17709 * reg-stack.c: Likewise.
17710 * reload1.c: Likewise.
17711 * genemit.c (main): Make generated file include function.h.
17712 * genoutput.c (output_prologue): Likewise.
17714 * builtins.c (saveregs_value, apply_args_value): Delete variables.
17715 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
17716 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
17717 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
17718 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
17719 macros for some of them.
17720 (emit_filename, emit_lineno): Delete declarations.
17721 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
17722 regno_pointer_* variables through current_function.
17723 (gen_inline_header_rtx): Delete function.
17724 (save_emit_status): Delete function.
17725 (set_new_last_label_num): New function.
17726 (clear_emit_caches): New function.
17727 (restore_emit_status): Just clear last_labelnum and call
17729 (get_last_insn_anywhere): Variable sequence_stack is now accessed
17730 through macro seq_stack.
17731 (add_insn_after): Likewise.
17732 (add_insn_before): Likewise.
17733 (remove_insn): Likewise.
17734 (pop_topmost_sequence): Likewise.
17735 (in_sequence_p): Likewise.
17736 (start_sequence_for_rtl_expr): Likewise.
17737 (start_sequence): Likewise, and likewise for
17738 sequence_rtl_expr/seq_rtl_expr.
17739 (push_topmost_sequence): Likewise.
17740 (end_sequence): Likewise.
17741 (init_virtual_regs): Now takes a "struct emit_status *" argument.
17742 All callers changed. Store into that pointer instead of globals.
17743 (init_emit): Allocate emit elt of current_function.
17744 Changes for sequence_rtl_expr/sequence_stack renaming.
17745 Call clear_emit_caches instead of doing it in-line.
17746 Access regno_pointer_* variables through current_function.
17747 (init_emit_once) Don't clear sequence_stack.
17749 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
17751 (arg_pointer_save_area): Delete declaration.
17752 (finish_expr_for_function): Renamed from init_queue; no longer static.
17753 (init_expr): Don't call init_queue.
17754 (save_expr_status, restore_expr_status): Delete functions.
17755 (expand_expr): Changes to reflect new layout of struct function.
17756 Don't access current_function_check_memory_usage when current_function
17758 * expr.h (forced_labels, save_expr_regs, saveregs_value,
17759 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
17760 current_function_outgoing_args_size, current_function_arg_offset_rtx,
17761 current_function_uses_const_pool, function_call_count,
17762 current_function_uses_pic_offset_table, nonlocal_labels,
17763 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
17764 current_function_check_memory_usage, nonlocal_goto_handler_slots,
17765 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
17767 (finish_expr_for_function): Declare.
17768 * flags.h (current_function_has_nonlocal_label,
17769 current_function_has_nonlocal_goto, current_function_is_thunk,
17770 current_function_has_computed_jump): Delete declarations.
17771 * flow.c (forced_labels): Delete declaration.
17772 * function.c (current_function_pops_args,
17773 current_function_returns_struct, current_function_returns_pcc_struct,
17774 current_function_needs_context, current_function_calls_setjmp,
17775 current_function_calls_longjmp, current_function_has_nonlocal_label,
17776 current_function_has_nonlocal_goto, current_function_is_thunk,
17777 current_function_has_computed_jump, current_function_calls_alloca,
17778 current_function_contains_functions, current_function_returns_pointer,
17779 current_function_epilogue_delay_list, current_function_args_size,
17780 current_function_pretend_args_size, current_function_arg_offset_rtx,
17781 current_function_outgoing_args_size, current_function_varargs,
17782 current_function_stdarg, current_function_args_info, cleanup_label,
17783 current_function_name, current_function_uses_const_pool,
17784 current_function_instrument_entry_exit, current_function_return_rtx,
17785 current_function_uses_pic_offset_table, nonlocal_labels,
17786 current_function_internal_arg_pointer, current_function_cannot_inline,
17787 current_function_check_memory_usage, function_call_count,
17788 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
17789 nonlocal_goto_stack_level, return_label, save_expr_regs,
17790 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
17791 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
17792 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
17793 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
17794 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
17796 (push_function_context_to): Don't save them. Don't call
17797 save_storage_status, save_emit_status or save_expr_status.
17798 (pop_function_context_from): Don't restore them. Don't call
17799 restore_storage_status or restore_expr_status.
17800 (get_func_frame_size): New function.
17801 (get_frame_size): Use it.
17802 (assign_outer_stack_local): Reflect some member name changes in struct
17804 (put_reg_into_stack): Likewise.
17805 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
17807 (fixup_var_refs): Likewise.
17808 (fix_lexical_addr): Likewise.
17809 (trampoline_address): Likewise.
17810 (prepare_function_start): Clear field inlinable of current_function.
17811 (init_function_for_compilation): New function.
17812 (expand_dummy_function_end): New function.
17813 (expand_function_end): Call finish_expr_for_function.
17814 * function.h (struct emit_status): New; fields moved here from struct
17815 function and from global variables. Add accessor macros for some of
17817 (struct expr_status): Likewise.
17818 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
17819 (struct function): Add fields expr and emit, inlinable, inl_emit,
17820 original_arg_vector, original_decl_initial, inl_last_parm_insn,
17821 inl_max_label_num. Add many comments.
17822 Add accessor macros for all elts of struct function that no longer
17823 have a global variable.
17824 (cleanup_label, return_label, frame_offset, tail_recursion_label,
17825 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
17826 stack_slot_list): Delete declarations.
17827 (get_func_frame_size): Declare.
17828 (save_expr_status, restore_expr_status, save_emit_status,
17829 save_storage_status, restore_storage_status): Delete declarations.
17830 (init_virtual_regs): Declare.
17831 * output.h (current_function_pops_args,
17832 current_function_returns_struct, current_function_returns_pcc_struct,
17833 current_function_needs_context, current_function_calls_setjmp,
17834 current_function_calls_longjmp, current_function_calls_alloca,
17835 current_function_has_nonlocal_label, current_function_varargs,
17836 current_function_has_computed_jump, current_function_returns_pointer,
17837 current_function_contains_functions, current_function_args_size,
17838 current_function_pretend_args_size, current_function_stdarg,
17839 current_function_outgoing_args_size, current_function_args_info,
17840 current_function_name, current_function_return_rtx,
17841 current_function_epilogue_delay_list,
17842 current_function_uses_const_pool, current_function_cannot_inline):
17843 Delete declarations.
17844 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
17845 regno_reg_rtx): Delete declaration.
17846 (REGNO_POINTER_FLAG): Delete macro.
17847 * stmt.c (expand_goto): Changes to reflect that some fields in struct
17848 function were renamed.
17849 * stor-layout.c (save_storage_status, restore_storage_status): Delete
17851 * toplev.c: Include "function.h".
17852 (current_function_decl): Delete declaration.
17853 (compile_file): Call init_dummy_function_start and
17854 expand_dummy_function_end around some initializations that need to
17856 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
17857 Call init_function_for_compilation.
17858 * unroll.c: Include "function.h"
17859 (unroll_loop): Access regno_pointer_* variables through
17862 * tree.h (struct tree_decl): Add elt f to saved_insns member.
17863 (DECL_SAVED_INSNS): use it.
17864 (expand_dummy_function_end): Declare.
17865 (init_function_for_compilation): Declare.
17866 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
17867 that it's no longer an INLINE_HEADER.
17868 (expand_call): Likewise.
17869 * integrate.c (finish_inline): Delete function.
17870 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
17871 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
17872 args. Don't generate an INLINE_HEADER rtx, just return the arg
17873 vector. All callers changed.
17874 (save_for_inline_copying): Create a duplicate struct emit_status to
17875 hold the emit state for compiling the current function. Use this and
17876 the other new fields in struct function that are for integration
17877 instead of an INLINE_HEADER.
17878 Use memcpy instead of bcopy.
17879 Store the current struct function in DECL_SAVED_INSNS of fndecl.
17880 (save_for_inline_nocopy): Similar changes, except no new emit_status
17882 (expand_inline_function): Get information from function structure,
17883 not from an inline header rtx.
17884 (output_inline_function): Lose code to extract the necessary
17885 information from an inline header; simply put back the function
17886 structure into current_function. Clear its inlinable elt.
17887 * rtl.def (INLINE_HEADER): Delete.
17888 * rtl.h: Delete all accessors for an INLINE_HEADER.
17889 (gen_inline_header_rtx): Delete declaration.
17890 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
17891 Delete declarations.
17892 (REGNO_POINTER_ALIGN): Delete.
17893 (clear_emit_caches): Declare.
17894 (set_new_last_label_num): Declare.
17896 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
17898 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
17900 * except.c (expand_eh_region_start_for_decl): Always start a new block.
17901 * stmt.c (is_eh_region): Make sure current_function is present, too.
17903 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
17905 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
17906 for 64bit PA targets.
17908 * pa.h (SELECT_SECTION): Define.
17909 * som.h (SELECT_SECTION): Delete.
17911 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17913 * alias.c (init_alias_analysis): Wrap call to
17914 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
17916 1999-08-07 Bruce Korb <autogen@linuxbox.com>
17918 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
17919 <sys/asm.h> contains an asm comment with an apostrophe
17920 * fixinc/inclhack.sh: regen
17921 * fixinc/fixincl.x: regen
17923 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
17925 * function.c (init_function_start): Clear prologue & epilogue.
17926 (prologue_epilogue_contains): New function.
17927 * alias.c (init_alias_analysis): Use it.
17928 * rtl.h (prologue_epilogue_contains): Declare it.
17930 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
17932 * jump.c (onlyjump_p): New function.
17933 * rtl.h: Declare it.
17934 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
17935 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
17937 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
17939 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
17940 to invert loops. Simplify block scanning.
17942 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17944 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
17945 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
17947 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
17949 * config/sparc/liteelf.h: New file to support sparclite-elf target
17950 * config/sparc/t-sp86x: New file to support sparc86x targets
17951 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
17952 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
17953 * configure.in: Support above target triplets
17954 * configure: Regenerated
17956 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
17958 * fixinc/server.c (server_setup): Do not prefix function used as
17959 parameter with `&'.
17961 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
17963 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
17964 Remove fp reg alternatives.
17966 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
17968 * Makefile.in (TAROUTOPTS): Kill.
17969 (install-headers-tar): Use "xpf" for tar headerfile extraction
17970 * i370/x-oe (TAROUTOPTS): Delete.
17971 * m68k/x-apollo68 (TAROUTOPTS): Delete.
17972 * m68k/x-hp320 (TAROUTOPTS): Delete.
17973 * m68k/x-hp320g (TAROUTOPTS): Delete.
17974 * gcc.texi: Update bug reporting text.
17976 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
17978 * reg-stack.c (change_stack) Fixed problem with negative array index.
17980 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
17982 * extend.texi, install.texi: Fix spelling mistakes.
17984 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
17985 (s-attrtab); No longer try to use pre-made insn-attrtab file.
17986 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
17987 PREMADE_ATTRTAB_MD.
17988 * mips/t-ecoff: Likewise.
17989 * mips/t-elf: Likewise.
17990 * mips/t-mips: Likewise.
17991 * mips/t-osfrose: Likewise.
17992 * mips/t-r3900: Likewise.
17993 * mips/t-svr3: Likewise.
17994 * mips/t-svr4: Likewise.
17995 * mips/t-ultrix: Likewise.
17997 * gcc.texi: Document recommend means to provide software floating
17998 point libraries in libgcc.a
18000 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
18002 * c-lex.c (yylex): We can have a number with no digits.
18004 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
18006 * jump.c (delete_prior_computation): New function, broken
18007 out of delete_computation. Check for side effects with
18008 side_effects_p instead of FIND_REG_INC_NOTE. Handle
18009 multi-word hard registers.
18010 (delete_computation): Use it. Check for side effects with
18011 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
18012 missing REG_DEAD note for a register which is both set and
18015 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
18017 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
18018 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
18019 (ASM_FILE_START): Import _mcount with the right type.
18020 (ASM_DECLARE_FUNCTION_NAME): Define.
18021 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
18022 * pa.c (output_function_prologue): Always emit the function's label
18024 * pa.h (TEXT_SPACE_P): Define.
18025 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
18026 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
18027 * som.h (TEXT_SPACE_P): Delete.
18028 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
18029 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
18031 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
18033 * expr.c (emit_group_load): Allow src to be a CONCAT.
18035 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18037 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
18038 (___mulsi3): Use '!' comment character.
18040 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18042 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
18044 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
18046 * gcc.c: Update URLs and mail addresses.
18047 * gcc.texi: Likewise.
18049 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
18051 * rs6000.c (current_file_function_operand): Return zero for
18053 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
18055 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
18058 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
18060 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
18061 allocate space in the stack frame for the PIC register.
18063 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
18065 * m68k.md (xordi3, anddi3): These patterns are not available on
18068 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
18070 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
18071 (PUT_REAL): Likewise.
18073 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18075 * final.c (shorten_branches): Don't add an alignment for loops
18076 that have no label inside.
18078 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18080 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
18081 prototypes in macro HAVE_cmpstrsi.
18083 * cpplib.c (cpp_get_token): Remove unused label `op3'.
18085 * emit-rtl.c (operand_subword): Remove unused variable
18088 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
18090 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
18092 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
18094 * cpphash.c (macroexpand): Delete leading whitespace when arg
18095 is concatenated before.
18096 (unsafe_chars): Correct test for whether + and - can extend a
18099 * cppinit.c (cpp_start_read): Do dependencies for
18100 -include/-imacros files also.
18102 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
18103 tokenizing non-directive lines.
18104 (cpp_expand_to_buffer): Temporarily disable no-output mode.
18105 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
18108 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
18110 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
18112 * c-lex.c: Sync with C++ frontend.
18113 (linemode): New variable.
18114 (parse_float): imag, conversion_errno, and type are output only.
18115 (yylex): Adjust. Move initial '.' case into main switch.
18117 (handle_generic_pragma): Just deal with tokens.
18118 (readescape): Use ISXDIGIT and ISGRAPH.
18119 * c-parse.in: Add END_OF_LINE token.
18121 * c-lex.c (lang_init): Generalize.
18122 (nextchar): Remove. Replace uses with UNGETC.
18123 (skip_white_space): Handle linemode here. Optimize for cpplib.
18124 (skip_white_space_on_line): Remove.
18125 (extend_token_buffer_to): New fn.
18126 (extend_token_buffer): Use it.
18127 (read_line_number, check_newline): Just deal with tokens.
18128 (token_getch, token_put_back): New fns.
18129 (yylex): Use them. More cpplib optimizations. Simplify.
18131 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
18132 Jason Merrill <jason@yorick.cygnus.com>
18134 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
18135 (consume_string): Make this smart about USE_CPPLIB.
18136 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
18137 (yylex): Rewrite to be intelligent about USE_CPPLIB.
18138 Also, clean up cases where we redundantly set token_buffer[0].
18139 (read_line_number): New fn.
18140 (ignore_escape_flag): New variable.
18142 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
18144 * a29k/t-a29kbare: Fix some comments.
18145 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
18146 (FPBIT, DPBIT): Define.
18147 * a29k/t-vx29k: Likewise.
18148 * arc/t-arc: Likewise.
18149 * arm/t-arm-elf: Likewise.
18150 * arm/t-bare: Likewise.
18151 * arm/t-pe: Likewise.
18152 * arm/t-pe-thumb: Likewise.
18153 * arm/t-semi: Likewise.
18154 * arm/t-thumb: Likewise.
18155 * arm/t-thumb-elf: Likewise.
18156 * arm/t-thumb-linux: Likewise.
18157 * h8300/t-h8300: Likewise.
18158 * i960/t-i960: Likewise.
18159 * i960/t-vxworks960: Likewise.
18160 * m32r/t-m32r: Likewise.
18161 * mips/t-ecoff: Likewise.
18162 * mips/t-elf: Likewise.
18163 * mips/t-r3900: Likewise.
18164 * pa/t-pro: Likewise.
18165 * rs6000/t-aix43: Likewise.
18166 * rs6000/t-beos: Likewise.
18167 * rs6000/t-newas: Likewise.
18168 * rs6000/t-ppccomm: Likewise.
18169 * rs6000/t-rs6000: Likewise.
18170 * rs6000/t-winnt: Likewise.
18171 * rs6000/t-xnewas: Likewise.
18172 * rs6000/t-xrs6000: Likewise.
18173 * sh/t-sh: Likewise.
18174 * sparc/t-elf: Likewise.
18175 * sparc/t-sparcbare: Likewise.
18176 * sparc/t-sparclite: Likewise.
18177 * sparc/t-splet: Likewise.
18178 * v850/t-v850: Likewise.
18179 * mn10200/t-mn10200: Fix comments.
18180 * mn10300/t-mn10300: Likewise.
18182 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
18183 dummy operand. Allocate a new pseudo for the dummy operand.
18184 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
18186 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
18188 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
18190 * configure: Rebuilt.
18191 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
18193 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
18195 * recog.c (preproces_constraints): Zero recog_op_alt before
18196 processing the constraints.
18198 * arm.c (typedef minipool_node): Renamed from pool_node.
18199 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
18200 (add_minipool_constant): New function.
18201 (dump_minipool): New function.
18202 (find_barrier): Remove special case for getting the insn size of
18203 an insn that references the constant pool.
18204 (minipool_fixup): New structure.
18205 (push_minipool_barrier): New function.
18206 (push_minipool_fix): New function.
18207 (note_invalid_constants): New function.
18208 (add_pool_constant, dump_table, fixit, broken_move): Delete.
18209 (arm_reorg): Rewrite code to fix up the constant pool into a
18210 series of mini-pools embedded in the insn stream.
18211 (arm_output_epilogue): New function, made mainly from the body
18212 of output_func_epilogue.
18213 (output_func_epilogue): Move insn generation part of epilogue code
18214 to arm_output_epilogue.
18215 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
18216 * arm.md (pool_range): New attribute.
18217 (zero_extendqidi2): Add attribute pool_range.
18218 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
18219 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
18220 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
18221 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
18222 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
18223 (epilogue): New expand.
18224 (epilogue_insn): New insn. Call arm_output_epilogue.
18226 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
18227 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
18229 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
18231 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
18233 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
18235 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
18237 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
18239 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
18241 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
18243 * global.c: Fix comment.
18245 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
18247 * gcc.c (access_check): New static function.
18248 (find_a_file): Use it when searching a directory list.
18249 * collect2.c (find_a_file): Don't accept directories found when
18250 searching a directory list.
18252 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
18254 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
18255 function parameters with `&'.
18256 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
18258 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
18260 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
18261 or tidy_fallthru_edge if the last insn in the block is not
18262 an unconditional jump or a simple conditional jump.
18264 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18266 * Makefile.in (c-decl.o): Depends on defaults.h.
18268 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
18270 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
18272 (CLASS_MAX_NREGS): Likewise.
18274 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
18276 * cse.c (cse_insn): Fix dumb thinko in last change.
18278 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18280 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
18283 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
18285 * dwarf2out.c (add_location_or_const_value_attribute): Correct
18286 test for sizes of passed and declared parameter types.
18288 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18290 * fixincludes: Fix the return type of bsearch, char* -> void*.
18292 * fixinc/inclhack.def: Likewise.
18294 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
18296 * invoke.texi (-fdump-translation-unit): New option.
18298 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
18300 * expr.h (PROMOTE_PROTOTYPES): Move ...
18301 * defaults.h: ... to here.
18302 * c-decl.c: Include defaults.h instead of expr.h.
18303 * c-typeck.c: Include defaults.h.
18305 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
18307 * toplev.h (errorcount): Declare.
18308 (warningcount): Likewise.
18309 (sorrycount): Likewise.
18310 * c-lex.c (errorcount): Don't declare.
18311 * dwarf2out.c (errorcount): Don't declare.
18313 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
18315 * config/libgloss.h: Add a note discouraging use with ELF.
18316 * configure.in: Don't use libgloss.h for ELF targets.
18317 Always use_collect2 on a.out targets.
18319 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
18321 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
18322 (force_to_mode, case ASHIFTRT): Add shiftrt label.
18324 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18326 * loop.c (strength_reduce): When doing biv->giv conversion, update
18327 reg note of NEXT->insn.
18329 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18331 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
18333 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18335 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
18336 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
18337 Ensure expr.h is included.
18338 * c-typecheck.c (convert_arguments): Ditto.
18340 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
18342 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
18343 * config/convex/convex.h: Ditto.
18344 * config/dsp16xx/dsp16xx.h: Ditto.
18345 * config/fx80/fx80.h: Ditto.
18346 * config/gmicro/gmicro.h: Ditto.
18347 * config/i370/i370.h: Ditto.
18348 * config/i386/i386.h: Ditto.
18349 * config/m32r/m32r.h: Ditto.
18350 * config/m68k/m68k.h: Ditto.
18351 * config/m88k/m88k.h: Ditto.
18352 * config/mips/mips.h: Ditto.
18353 * config/pa/pa.h: Ditto.
18354 * config/pyr/pyr.h: Ditto.
18355 * config/tahoe/tahoe.h: Ditto.
18356 * config/we32k/we32k.h: Ditto.
18358 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
18359 based on arch size.
18361 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
18363 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
18366 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
18368 1999-08-02 Richard Henderson <rth@cygnus.com>
18370 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
18371 for the register spill block.
18372 (m32r_va_arg): New.
18373 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
18374 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
18376 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
18377 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
18378 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
18380 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18382 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
18383 MAX_WCHAR_TYPE defined in sparc.h.
18384 * config/sparc/linuxaout.h: Likewise.
18385 * config/sparc/linux64.h: Likewise.
18386 Also default to -mvis if CPU is UltraSPARC.
18388 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18390 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
18391 (RTX_OK_FOR_OLO10): Likewise.
18392 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
18393 %lo(), allow it in addresses...
18394 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
18395 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
18396 does not make sense.
18397 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
18398 (sparc_output_scratch_registers): New function.
18399 (output_function_prologue, sparc_flat_output_function_prologue): Use
18401 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
18403 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
18404 * configure.in: Add check for .register pseudo-op support in as and
18405 check for offsetable %lo().
18406 * acconfig.h: Add templates for the above checks.
18407 * configure: Regenerate.
18409 1999-08-02 Richard Henderson <rth@cygnus.com>
18411 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
18412 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
18413 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
18415 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18417 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
18420 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18422 * config/float-sparc.h: New file.
18423 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
18424 sparc-*-linux-gnu and sparc64-*-linux*.
18426 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18428 * rs6000.c (rs6000_va_list): Type is an array.
18429 (rs6000_va_start): Don't doubly adjust for varargs.
18430 (rs6000_va_arg): Evaluate long long GPR adjustment.
18432 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
18434 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
18435 -maix64 and -maix32.
18436 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
18437 LINK_SPEC): Change appropriately.
18438 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
18439 (u_short_cint_operand): Likewise.
18440 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
18442 * rs6000/t-aix43 (MULTILIB): Change to -m64.
18444 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
18446 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
18448 * rs6000/rs6000.c (num_insns_constant_wide): Correct
18449 for type promotion.
18450 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
18451 (non_add_cint_operand): Likewise.
18452 (logical_operand): Likewise.
18453 (non_logical_cint_operand): Likewise.
18454 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
18455 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
18456 (rs6000_select_rtx_section): Suppress warning.
18457 (small_data_operand): Suppress warning.
18458 (rs6000_got_register): Suppress warning.
18459 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
18460 type, so `J' is generally the wrong constraint for a SImode value;
18462 (andsi3_internal2): Likewise.
18463 (andsi3_internal3): Likewise.
18464 (iorsi3_internal1): Likewise.
18465 (xorsi3_internal1): Likewise.
18467 (movsf_softfloat): Likewise.
18468 (scc insns): Likewise.
18469 (movsi+2): Preserve sign bits of SImode constant.
18470 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
18471 (movdf+1): Sign-extend properly.
18472 (movdi_32+1): Sign-extend properly.
18473 (scc insns): Sign-extend properly.
18475 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
18478 1999-08-02 Richard Henderson <rth@cygnus.com>
18480 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
18481 -mcpu parsing code.
18482 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
18483 * alpha.md (all fp insns): Likewise.
18485 1999-08-02 Nick Clifton <nickc@cygnus.com>
18487 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
18490 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
18492 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
18493 pic_load_label generator directly.
18494 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
18495 No longer a named pattern.
18497 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
18499 * explow.c (force_reg): Call force_operand if X does not
18500 satisfy general_operand.
18502 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
18504 * fix-header.c (main): When testing for CONTINUED, use string
18505 equality, not pointer equality.
18507 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
18509 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
18511 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
18513 * cse.c (cse_insn): Fix loop which deletes insns after a jump
18514 that has become an unconditional jump.
18516 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
18517 (output_function_epilogue): Similarly.
18519 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18521 * tree.h (init_dummy_function_start): Declare.
18523 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18525 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
18526 last_expr_type, last_expr_value, block_start_count, block_stack,
18527 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
18528 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
18529 dynamically in stmt elt of struct function for each function.
18530 (struct nesting): Rename function_call_count elt to n_function_calls,
18531 target_temp_slot_level to block_target_temp_slot_level. All users
18533 (struct stmt_status): New structure definition.
18534 Add many accessor macros for stmt_status elements which previously
18535 were global variables.
18536 (init_stmt_for_function): Allocate stmt elt for current_function.
18537 Reflect that block_start_count was renamed to
18538 current_block_start_count.
18539 (save_stmt_status, restore_stmt_status): Delete functions.
18540 (preserve_subexpressions_p): Don't access loop_stack when outside
18542 (expand_start_bindings): Reflect that block_start_count was renamed to
18543 current_block_start_count.
18544 (expand_fixup): Likewise.
18545 (expand_decl): Don't access block_stack when outside a function.
18546 (expand_decl_cleanup): Likewise.
18547 (expand_dcc_cleanup): Likewise.
18548 (expand_dhc_cleanup): Likewise.
18549 (expand_anon_union_decl): Likewise.
18550 (set_file_and_line_for_stmt): New function.
18551 (in_control_zone_p): New function.
18553 * function.h (struct function): Add new elt stmt.
18554 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
18555 case_stack, nesting_stack, nesting_depth, block_start_count,
18556 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
18557 emit_lineno, goto_fixup_chain.
18558 (save_eh_status, restore_eh_status, save_stmt_status,
18559 restore_stmt_status): Delete declarations.
18560 * function.c (push_function_context_to): Don't call save_stmt_status.
18561 (pop_function_context_to): Don't call restore_stmt_status.
18562 * tree.h (in_control_zone_p): Declare.
18563 * rtl.h (set_file_and_line_for_stmt): Declare.
18565 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
18566 call set_file_and_line_for_stmt.
18568 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
18570 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
18571 Also update copyright.
18573 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18575 * c-pragma.c: Don't include "except.h".
18576 * emit-rtl.c: Likewise.
18577 * stor-layout.c: Likewise.
18578 * tree.c: Likewise.
18579 * varasm.c: Likewise.
18581 * flow.c: Include "function.h".
18582 * tree.h (init_dummy_function_start): Declare new function.
18584 * except.h (struct eh_status): New structure.
18585 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
18587 (eh_return_stub_label, ehstack, catchstack, ehqueue,
18588 catch_clauses, false_label_stack, caught_return_label_stack,
18589 protect_list, current_function_ehc): Add accessor macros for the
18590 corresponding fields in current_function->eh; delete declarations
18591 for all items that used to be declared here.
18592 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
18593 catch_clauses, false_label_stack, caught_return_label_stack,
18594 protect_list, current_function_ehc): Delete variables.
18595 (init_eh_for_function): Allocate current_function->eh.
18596 (save_eh_status, restore_eh_status): Delete functions.
18598 * function.h (struct function): Add fields next_global and eh.
18599 Delete all exception handling related fields.
18600 * function.c (current_function): New variable.
18601 (all_functions): New variable.
18602 (push_function_context_to): Don't allocate a struct function,
18603 use current_function instead. Call init_dummy_function_start when
18604 outside a function. Clear current_function before returning.
18605 (pop_function_context_from): Restore current_function.
18606 Don't free the restored struct function.
18607 (prepare_function_start): New function.
18608 (init_dummy_function_start): New function.
18609 (init_function_start): Break out some code into prepare_function_start
18612 * stmt.c (save_stmt_status): Don't call save_eh_status.
18613 (restore_stmt_status): Don't call restore_eh_status.
18615 * Makefile.in: Update dependencies.
18617 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
18619 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
18620 of depending on a magic constant value. Update comments.
18621 (hppa_expand_prologue): Similarly.
18623 * pa.md (reload_indi, reload_outdi): Allow any register for the
18624 original reload register.
18626 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
18628 * cccp.c (print_help): Change marcos to macros.
18630 1999-07-30 Richard Henderson <rth@cygnus.com>
18632 * c-typeck.c (initializer_constant_valid_p): Move ...
18633 * c-common.c (initializer_constant_valid_p): ... here. Use
18634 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
18635 of label addresses.
18636 * c-common.h (initializer_constant_valid_p): Declare.
18637 * c-tree.h (initializer_constant_valid_p): Remove.
18639 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
18641 * config/i386/sol2-c1.asm: Align the stack.
18642 * config/i386/sol2-gc1.asm: Likewise.
18644 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
18646 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
18647 -Asparclite for sparc86x.
18648 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
18650 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
18652 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
18654 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
18655 the user if using the non-default arch size in BI_ARCH configuration.
18656 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
18658 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
18659 Fix patterns so that they actually match.
18660 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
18661 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
18662 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
18664 (mulsidi3): Reflect this in the expand.
18665 (smulsi3_highpart): Only on TARGET_ARCH32.
18666 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
18667 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
18668 (umulsidi3): Reflect this in the expand.
18669 (umulsi3_highpart): Only on TARGET_ARCH32.
18670 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
18671 don't require g0 to be zero.
18672 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
18673 ({,u}divsi3): New expands.
18674 ({,u}divsi3_sp64): New patterns.
18675 (after lshrdi3_v8plus): Four new patterns to help combiner
18676 optimizing nested mixed mode shifts.
18678 * config/sparc/sparc.c (sparc_override_options): Use deprecated
18679 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
18680 speed things up. Don't use them by default on plain v9 in 64bit
18681 mode, according to what SPAMv9 sais.
18683 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
18684 top 32 bits of %[og][0-7] in signal handlers.
18685 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
18687 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
18689 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
18690 (ashlsi3): Corresponding changes.
18692 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
18694 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
18696 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
18698 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18700 * arm.h (Hint): Delete macro.
18701 Substitute HOST_WIDE_INT for Hint in some prototypes.
18702 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
18704 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
18706 * builtins.c (expand_builtin_setjmp): Use force_operand to
18707 make sure that the buffer address is in a suitable form to be
18708 passed to force_reg.
18710 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
18712 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
18715 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
18717 * pa.md (indirect_jump): Remove mode from match_operand. Verify
18718 proper mode in the condition string.
18719 (icacheflush, dcacheflush): Remove modes from match_operands.
18721 * pa.c (emit_move_sequence): Always convert scratch_reg to the
18722 proper mode before using it.
18724 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
18727 * pa.c (store_reg): Do not call add_high_const generator directly.
18728 (load_reg, set_reg_plus_d): Likewise.
18729 * pa.md (add_high_const): No longer a named pattern.
18731 * pa.c (legitimize_address): Consistently use Pmode rather than
18732 SImode. Do not call gen_pic2_highpart directly anymore.
18733 * pa.md (pic2_highpart): No longer a named pattern.
18734 (pic2_lo_sum): Similarly. Reformat to make more readable.
18736 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
18741 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18743 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
18745 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
18747 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
18748 and tag the spill mems.
18749 (hppa_va_start): New.
18750 (hppa_va_arg): New.
18751 * pa.h (EXPAND_BUILTIN_VA_START): New.
18752 (EXPAND_BUILTIN_VA_ARG): New.
18754 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
18756 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
18757 and tag the spill mems.
18758 (mn10300_va_start): New.
18759 (mn10300_va_arg): New.
18760 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
18761 (EXPAND_BUILTIN_VA_ARG): New.
18763 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
18765 * mn10200.c (mn10200_va_arg): New.
18766 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
18768 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
18770 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
18771 rather than play with TREE_INT_CST_LOW.
18773 1999-07-27 Philip Blundell <pb@nexus.co.uk>
18775 * config/arm/telf.h: Include dbxelf.h.
18776 (CPP_PREDEFINES): Only define if not already defined.
18777 (ASM_IDENTIFY_GCC): Likewise.
18778 (SUBTARGET_EXTRA_SECTIONS): Likewise.
18779 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
18780 * config/arm/thumb.h (LINK_SPEC): Only define if not already
18782 (DBX_DEBUGGING_INFO): Don't define.
18783 * config/arm/linux-telf.h: New file.
18784 * config/arm/linux-tgas.h: New file.
18785 * config/arm/t-thumb-linux: New file.
18786 * config/arm/uclinux-elf.h: New file.
18787 * config/arm/uclinux-telf.h: New file.
18788 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
18789 thumb-*-uclinux): New targets.
18790 * configure: Regenerate.
18792 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
18794 * pa.md (post_store, pre_load): New expanders.
18795 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
18796 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
18797 need to directly generate RTL for them.
18798 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
18801 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
18803 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
18804 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
18805 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
18806 (secndary_reload_class): Make TARGET_ELF conditional compile.
18807 (print_operand_address): Similar.
18808 (output_toc): Print all values as hex.
18809 (get_issue_rate): Rearrange and add RS64A and PPC630.
18810 * rs6000.h (processor_type): Add RS64A and PPC630.
18811 (PROCESSOR_POWERPC64): New.
18812 (PROMOTE_MODE): Use word_mode.
18813 (RTX_COSTS): Add RS64A and PPC630.
18814 * rs6000.md (scheduling information): Add lmul and ldiv
18815 representing 64-bit integer multiply and divide. Add rs64a and
18816 PPC630 information.
18817 (ashldi3): Add support for "rldic" instruction.
18818 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
18820 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
18822 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
18823 instead of V8 for sparclite86x in cpu_table.
18825 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18827 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
18828 output_file_directive.
18830 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
18832 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
18833 tree for op1, not the rtl.
18835 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
18837 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
18838 to m88k_va_start, leaving only the register spill.
18839 (m88k_build_va_list): New.
18840 (m88k_va_start): New.
18841 (m88k_va_arg): New.
18842 * m88k.h (BUILD_VA_LIST_TYPE): New.
18843 (EXPAND_BUILTIN_VA_START): New.
18844 (EXPAND_BUILTIN_VA_ARG): New.
18846 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
18848 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
18849 Rename from expand_builtin_saveregs.
18850 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
18852 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
18854 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
18855 for the register spill block.
18856 (i960_build_va_list): New.
18857 (i960_va_start): New.
18858 (i960_va_arg): New.
18859 * i960.h (BUILD_VA_LIST_TYPE): New.
18860 (EXPAND_BUILTIN_VA_START): New.
18861 (EXPAND_BUILTIN_VA_ARG): New.
18862 * i960.md (store_multiple): Use change_address on individul mems.
18864 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
18866 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
18868 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
18869 (expand_builtin_va_end): Evaluate arg for side effects.
18870 * c-common.c (c_common_nodes_and_builtins): Construct a
18871 va_list_arg_type_node to handle array decomposition to pointer.
18873 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
18875 * except.c (start_dynamic_cleanup): Use force_operand on the
18878 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
18880 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
18881 * c4x.c (c4x_va_arg): New.
18883 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
18885 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
18886 has manual_pop set.
18888 1999-07-26 Nathan Sidwell <nathan@acm.org>
18890 * eh-common.h (__eh_matcher): Prototype correctly.
18892 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
18894 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
18895 (TARGET_SINGLE_PIC_BASE): Likewise.
18896 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
18898 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
18899 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
18900 (TARGET_OPTIONS): Add -mpic-register=N.
18901 (OUTPUT_INT_ADDR_CONST): New macro.
18902 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
18903 LEGITIMATE_PIC_OPERAND_P): Likewise.
18904 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
18905 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
18906 output_addr_const directly.
18907 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
18909 (thumb_pic_register, thumb_pic_register_string): Declare.
18911 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
18913 (label_mentioned_p): New function: Imported from arm.c.
18914 (legitimize_pic_address): New function: Imported from arm.c.
18915 (is_pic):New function: Imported from arm.c.
18916 (thumb_finalize_pic):New function: Imported from arm.c.
18917 (add_constant): Cope with PIC constants.
18918 (fixit): Cope with PIC constants.
18919 (output_return): Do not treat the PIC register as live if
18920 TARGET_SINGLE_PIC_BASE is true.
18921 (thumb_function_prologue): Do not treat the PIC register as live if
18922 TARGET_SINGLE_PIC_BASE is true.
18923 (thumb_expand_prologue): Do not treat the PIC register as live if
18924 TARGET_SINGLE_PIC_BASE is true.
18925 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
18926 TARGET_SINGLE_PIC_BASE is true.
18927 (thumb_print_operand): Accept '|'.
18928 (thumb_override_options): Process PIC options.
18930 * config/arm/thumb.md (movsi): Support PIC.
18931 (call_insn): Change "i" constraint to "X".
18932 (call_value_insn): Likewise.
18933 (consttable_4, consttable_8, consttable_end): Set and clear
18934 "making_const_table" as appropriate.
18935 (pic_load_addr, pic_add_dot_plus_four): New insns.
18937 * invoke.texi (Thumb Options): Fix spelling. Document new
18938 options -msingle-pic-base and -mpic-register=.
18940 1999-07-26 Andrew Haley <aph@cygnus.com>
18942 * config/m32r/initfini.c (__init): Use a full word immediate for
18943 __fini: this allows it to be placed in any memory region.
18945 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
18946 -mmodel=medium. This is OK for all memory models.
18948 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
18950 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
18951 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
18953 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
18955 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
18958 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
18960 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
18962 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
18963 (BUILD_VA_LIST_TYPE): New.
18964 (EXPAND_BUILTIN_VA_START): New.
18965 (EXPAND_BUILTIN_VA_ARG): New.
18966 * i860.c (output_delayed_branch): Disable.
18967 (output_delay_insn): Likewise.
18968 (i860_saveregs): New.
18969 (i860_build_va_list): New.
18970 (i860_va_start): New.
18971 (i860_va_arg): New.
18972 * i860.md: Disable all peepholes using output_delayed_branch.
18973 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
18975 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
18977 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
18978 (BUILD_VA_LIST_TYPE): New.
18979 (EXPAND_BUILTIN_VA_START): New.
18980 (EXPAND_BUILTIN_VA_ARG): New.
18981 * clipper.c (clipper_builtin_saveregs): Only dump registers.
18982 Return the address of the save area.
18983 (clipper_build_va_list): New.
18984 (clipper_va_start): New.
18985 (clipper_va_arg): New.
18987 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
18989 * arc.h (EXPAND_BUILTIN_VA_START): New.
18990 (EXPAND_BUILTIN_VA_ARG): New.
18991 * arc.c (arc_setup_incoming_varargs): Set alias set of
18993 (arc_va_start): New.
18996 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
18998 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
18999 (BUILD_VA_LIST_TYPE): New.
19000 (EXPAND_BUILTIN_VA_START): New.
19001 (EXPAND_BUILTIN_VA_ARG): New.
19002 * alpha.c (alpha_builtin_saveregs): Delete.
19003 (alpha_build_va_list): New.
19004 (alpha_va_start): New.
19005 (alpha_va_arg): New.
19007 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
19009 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
19011 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
19012 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
19014 * gcc.texi: More changes related to list conversion.
19015 * invoke.texi: Likewise.
19017 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
19019 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
19020 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
19021 (expand_builtin_next_arg): Accept ARGLIST not EXP.
19022 (stabilize_va_list): New function.
19023 (std_expand_builtin_va_start): New function.
19024 (expand_builtin_va_start): New function.
19025 (get_varargs_alias_set): New function.
19026 (std_expand_builtin_va_arg): New function.
19027 (expand_builtin_va_arg): New function.
19028 (expand_builtin_va_end): New function.
19029 (expand_builtin_va_copy): New function.
19030 (expand_builtin): Call them.
19031 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
19032 __builtin_{varargs_start,stdarg_start,end,copy}.
19033 (build_va_arg): New function.
19034 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
19035 (build_va_arg): Declare.
19036 * c-decl.c (ptr_type_node, va_list_type_node): New.
19037 * c-parse.gperf (__builtin_va_arg): New.
19038 * c-parse.in (VA_ARG): New token.
19039 (unary_expr): Recognize it.
19040 * expr.c (expand_expr): Expand VA_ARG_EXPR.
19041 * expr.h (std_expand_builtin_va_start): Declare.
19042 (std_expand_builtin_va_arg): Declare.
19043 (expand_builtin_va_arg): Declare.
19044 (get_varargs_alias_set): Declare.
19045 * tree.def (VA_ARG_EXPR): New.
19046 * tree.h (BUILT_IN_VARARGS_START): New.
19047 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
19048 (ptr_type_node, va_list_type_node): Declare.
19049 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
19050 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
19051 * m88k.h, m88k.c: Likewise.
19052 * mn10300.h, mn10300.c: Likewise.
19053 * pa.h, pa.c: Likewise.
19054 * rs6000.h, rs6000.c: Likewise.
19055 * sh.h, sh.c: Likewise.
19056 * sparc.h, sparc.c: Likewise.
19058 * emit-rtl.c (operand_subword): Copy alias set.
19059 (change_address): Likewise.
19061 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
19063 * pa.c (compute_frame_size): Scan all the used callee saved registers,
19064 not just the first one.
19066 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
19068 * config/arm/arm.h (TARGET_SWITCHES): Add
19069 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
19070 (TARGET_OPTIONS): Add -mpic-register=.
19071 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
19072 (arm_pic_register_string): Declare.
19073 (NEED_PLT_GOT): Delete, replace with ...
19074 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
19075 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
19076 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
19077 * config/arm/arm.c (arm_override_options): Add new option
19079 (arm_pic_register_string): New variable.
19080 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
19081 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
19082 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
19083 (output_return_instruction): Likewise.
19084 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
19085 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
19086 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
19088 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
19089 mention of -msched-prolog. Document new options -msingle-pic-base
19090 and -mpic-register=.
19092 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
19094 * haifa-sched.c (reemit_notes): Tidy.
19095 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
19098 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
19100 * explow.c (trunc_int_for_mode): New function.
19101 (plus_constant_wide): Use it.
19102 * combine.c (simplify_and_const_int): Likewise.
19103 (merge_outer_ops): Likewise.
19104 (simplify_shift_const): Likewise.
19105 * cse.c (simplify_unary_operation): Likewise.
19106 (simplify_binary_operation): Likewise.
19107 * emit-rtl.c (operand_subword): Likewise.
19108 * rtl.h: Declare it.
19110 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19112 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
19113 (use NUM_REGS instead of NUM_INTS).
19115 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19117 * builtins.c: New file.
19118 * expr.c (saveregs_value, apply_args_value): Delete definition,
19119 moved into builtins.c.
19120 (string_constant): No longer static.
19121 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
19122 apply_args_size, apply_result_size, result_vector,
19123 expand_builtin_apply_args, expand_builtin_apply,
19124 expand_builtin_return): Delete functions, moved into builtins.c.
19125 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
19126 * expr.h (saveregs_value, apply_args_value): Declare variables.
19127 (expand_builtin, string_constant): Declare functions.
19128 * Makefile.in: Update to build builtin.o.
19130 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
19132 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
19133 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
19134 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
19135 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
19137 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
19140 1999-07-21 Michael Meissner <meissner@cygnus.com>
19142 * print-rtl.c (print_rtx): Print the names of the virtual
19145 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
19147 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
19148 introduced in previous delta.
19150 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19152 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
19153 to avoid name clash.
19155 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
19157 * c-lex.c (yylex) : Correct the test for overflow when lexing
19160 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
19162 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
19163 (adjust_priority): Always call ADJUST_PRIORITY.
19164 (schedule_insn): Only put insns into the ready at cost 0.
19165 (schedule_block): Remove redundant initial sort. Give clock_var
19166 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
19168 * tm.texi (MD_SCHED_REORDER): Update docs.
19170 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
19171 * sparc.c (ultra_reorder_called_this_block): Delete.
19172 (ultrasparc_sched_init): Don't set it.
19173 (ultrasparc_sched_reorder): Don't check it.
19175 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
19177 * rs6000.h (struct rs6000_args): Add sysv_gregno.
19178 * rs6000.c (init_cumulative_args): Init sysv_gregno.
19179 (function_arg_boundary): Align DFmode.
19180 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
19181 to get fp reg and stack overflow correct.
19182 (function_arg): Likewise.
19183 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
19184 (setup_incoming_varargs): Restructure for ABI_V4; use
19185 function_arg_advance to skip final named argument.
19186 (expand_builtin_saveregs): Properly unskip the last integer arg
19187 when doing varargs. Adjust overflow location calculation.
19189 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
19190 explicitly unsigned.
19191 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
19192 (__VA_GP_REGSAVE): Similarly.
19193 (__va_longlong_p): Delete.
19194 (__va_arg_type_violation): New declaration.
19195 (va_arg): Restructure. Flag promotion errors. Align double.
19196 TFmode passed by reference.
19198 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
19199 in the HOST_BITS_PER_WIDE_INT > 32 case.
19201 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
19203 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
19205 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
19207 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
19208 * toplev.c (documented_lang_options): Add -fpreprocessed.
19209 * cpplib.h (struct cpp_buffer): Add preprocessed.
19210 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
19211 (cpp_start_read): Don't expand macros or emit an initial #line
19212 directive if -fpreprocessed.
19214 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
19216 * cpplib.h (struct cpp_buffer): Added manual_pop for
19217 better C++ tokenization.
19218 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
19219 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
19220 * c-common.c (cpp_token): Make non-static.
19222 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19224 * c-common.h: New file.
19225 * c-common.c (permanent_obstack): Delete unused declaration.
19226 (c_global_trees): New array.
19227 (c_common_nodes_and_builtins): New function; split off common code
19228 from init_decl_processing in both c-decl.c and cp/decl.c.
19229 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
19230 c_global_trees and accessor macros defined in c-common.h.
19231 Include c-common.h.
19232 * c-decl.c: Delete definitions for tree nodes that were replaced by
19234 (init_decl_processing): Build void_list_node.
19235 Call c_common_nodes_and_builtins; delete code to generate the common
19237 * objc/objc-act.c (build_module_descriptor): Rename variable
19238 void_list_node to avoid clash with c-common.h.
19240 * Makefile.in: Update dependencies.
19241 * objc/Make-lang.in: Likewise.
19243 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
19245 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
19246 (UNIQUE_SECTION_P): Likewise.
19247 (UNIQUE_SECTION): Likewise.
19249 1999-07-19 Linas Vepstas <linas@linas.org>
19251 * config/i370/README: New file.
19252 * config/i370/linux.h: New file.
19253 * config/i370/mvs.h: New file.
19254 * config/i370/oe.h: New file.
19255 * config/i370/t-linux: New file.
19256 * config/i370/t-mvs: New file.
19257 * config/i370/t-oe: New file.
19258 * config/i370/x-oe: New file.
19259 * config/i370/xm-linux.h: New file.
19260 * config/i370/xm-mvs.h: New file.
19261 * config/i370/xm-oe.h: New file.
19263 * i370.c (label_node_t): Add first_ref_page, label_addr,
19264 label_first_ref, label_last_ref members.
19265 (mvs_need_base_reload): Renamed from mvs_label_emitted.
19266 (MAX_MVS_LABEL_SIZE): Define.
19267 (MAX_LONG_LABEL_SIZE): Define.
19268 (alias_node_t, alias_anchor, alias_number): New.
19269 (mvs_function_table): Reorder for EBCDIC.
19270 (ascebc, ebcasc): Unconditionally define.
19271 (i370_branch_dest, i370_branch_length): New functions.
19272 (i370_short_branch, i370_label_scan): New functions.
19273 (mvs_get_label): Renamed from mvs_add_label. Search for
19274 an existing label before creating a new one.
19275 (mvs_add_label): New function.
19276 (mvs_get_label_page): New function.
19277 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
19278 over the entire list.
19279 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
19280 (mvs_check_page) [TARGET_ELF_ABI]: New function.
19281 (mvs_add_alias, mvs_need_alias): New functions.
19282 (mvs_get_alias, mvs_check_alias): New functions.
19283 (handle_pragma): New function.
19284 (mvs_function_check): New function.
19285 (unsigned_jump_follows_p): Search harder.
19286 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
19287 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
19288 * i370.h (TARGET_VERSION): Delete.
19289 (CPP_SPEC, CPP_PREDEFINES): Delete.
19290 (mvs_label_emitted): Delete.
19291 (TARGET_EBCDIC): Delete.
19292 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
19293 (HANDLE_PRAGMA): Define.
19294 (HARD_REGNO_NREGS): Handle complex modes.
19295 (HARD_REGNO_MODE_OK): Likewise.
19296 (CLASS_MAX_NREGS): Likewise.
19297 (RET_REG): Likewise.
19298 (EXTRA_CONSTRAINT): Define.
19299 (RETURN_IN_MEMORY): True for DImode.
19300 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
19301 (FUNCTION_PROFILER): Delete.
19302 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
19303 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
19304 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
19305 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
19306 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
19307 (ASM_FILE_START): Add "RMODE ANY".
19308 (ASM_OUTPUT_EXTERNAL): Check for aliases.
19309 (ASM_GLOBALIZE_LABEL): Likewise.
19310 (ASM_OUTPUT_LABELREF): Likewise.
19311 (ASM_OUTPUT_COMMON): Likewise.
19312 (PRINT_OPERAND): Handle 'K', 'W', default.
19313 (PRINT_OPERAND_ADDRESS): New.
19314 (Lots of defines): Add support for TARGET_ELF_ABI.
19315 * i370.md (attr length): New. Define for all patterns.
19316 (*): Lots of tweeks to assembly output and constraints.
19318 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
19320 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
19321 Disable patterns performing SImode comparisons with SImode values
19322 if TARGET_POWERPC64 and instruction does not sign-extend or does
19323 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
19324 differ for signed quantities.
19325 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
19326 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
19327 (decrement_and_branch_on_count): Add 64-bit variant.
19329 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19331 * final.c (output_asm_insn): When searching for the matching string
19332 for a given dialect, don't run past the end of the list of
19333 alternatives if there are fewer alternatives in the template than
19336 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
19338 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
19339 Removed paragraph about compression of files and size limitation,
19340 duplicated in the FAQ. Use gcc-patches for posting patches.
19341 * gcc.c (main): Updated URL with bug reporting instructions to
19342 gcc.gnu.org. Removed e-mail address.
19343 * system.h (abort): Likewise.
19345 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19347 * Makefile.in (stmp-multilib-sub): Make the files extracted
19348 from $(LIBGCC1) writable.
19350 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
19352 * config/arm/aout.h: Reformat for improved readability.
19354 * config/arm/arm.h: Reformat for improved readability.
19355 Replace uses of fprintf with asm_fprintf where appropriate.
19356 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
19357 function declaration assembler actions.
19358 (NUM_INTS): New macro: Convert from bytes to words.
19359 (NUM_REGS): New macro: Compute number of registers required to
19360 hold a quanitity of tyep MODE.
19361 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
19363 (NUM_ARG_REGS): New macro: The number of argument registers
19365 (ARG_REGISTER): New macro: Compute the register number of the Nth
19367 (LAST_ARG_REGNUM): New macro: The number of the last argument
19369 (SP_REGNUM): New macro: Register number of the stack pointer.
19370 (FP_REGNUM): New macro: Register number of the frame pointer.
19371 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
19372 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
19373 CUMULATIVE_ARGS so that it counts registers not bytes.
19375 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
19377 Replace uses of fprintf with asm_fprintf where appropriate.
19378 (output_ascii_pseudo_op): Replace with version from thumb.c
19380 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
19382 * config/arm/elf.h (CPP_PREDEFINES): Replace with
19383 SUBTARGET_CPP_SPEC.
19384 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
19385 (ASM_FILE_START): Emit ASM_APP_OFF.
19387 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
19389 * pa.c (compute_frame_size): Round frame according to
19390 STACK_BOUNDARY rather than a hardwired value.
19392 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
19394 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
19396 * configure: Rebuilt.
19398 * configure.in (hppa*-*-linux*): New configuration.
19399 * configure: Rebuilt.
19400 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
19401 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
19402 * pa/pa-linux.h: New file.
19403 * pa/t-linux: New file.
19404 * pa/xm-linux.h: New file.
19406 * pa.c (hppa_legitimize_address): Change references from SImode to
19407 either Pmode or word_mode as appropriate.
19408 (emit_move_sequence, store_reg, load_reg): Likewise.
19409 (set_reg_plus_d, hppa_expand_prologue): Likewise.
19410 (output_mul_insn): Likewise.
19411 * pa.h (PROMOTE_MODE): Likewise.
19412 (INITIALZE_TRAMPOLINE): Likewise.
19413 (Pmode): Define to word_mode.
19415 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
19416 value of 4. Allocate 8 bytes for each FP register save.
19417 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
19419 (hppa_expand_prologue): Likewise.
19420 * pa.h (PROMOTE_MODE): Likewise.
19421 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
19422 (FUNCTION_ARG_BOUNDARY): Likewise.
19424 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
19426 * pa.c (out_of_line_prologue_epilogue): Delete.
19427 (override_options): Remove -mspace related code.
19428 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
19429 (compute_frame_size): Only allocate space for register that
19430 actually need to be saved.
19431 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
19432 (TARGET_SWITCHES): Remove -mspace, -mno-space
19433 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
19434 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
19435 * pa/ee.asm, pa/ee_fp.asm: Delete.
19437 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
19439 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
19440 directive in column zero.
19442 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
19444 * m68k.c (output_function_prologue): Fix computation of save mask
19445 when generating PIC code.
19447 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
19449 * tree.c (build_type_attribute_variant): Move current_obstack restore
19450 after build_qualified_type call.
19452 1999-07-15 Mark Mitchell <mark@codesourcery.com>
19454 * configure.in: Use t-iris6, even with GNU LD.
19455 * config/mips/iris6gld.h: Fix typo in linker spec.
19456 * config/mips/t-iris6gld: Remove.
19458 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
19460 * rs6000.md (insv, extzv): Remove SImode dependence in named
19461 patterns. Explicitly generate DImode RTL if PowerPC64 and
19463 (insvdi): Reverse start and size in instruction template.
19465 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
19467 * invoke.texi: Typo fixes.
19469 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
19471 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
19472 handle at this time instead of silently generating incorrect code.
19473 (gen_imagpart): Likewise.
19475 * reload.c (find_reloads): Emit a USE for a pseudo register without
19476 a hard register if we could not create an optional reload for the
19479 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19481 * c-typeck.c (output_init_element, process_init_element):
19482 When advancing constructor_unfilled_fields for a RECORD_TYPE,
19483 check for nameless bit fields.
19485 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
19487 * regclass.c (scan_one_insn): Notice subregs that change the
19488 size of their operand.
19489 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
19491 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
19493 * configure.in (alpha*-*-*): Include alpha/t-ieee.
19494 * configure: Rebuilt.
19495 * alpha/t-ieee: New file.
19497 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
19499 * rs6000.c (find_addr_reg): Do not select r0 as an address
19502 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
19504 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
19506 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
19508 * rs6000.md (movsf): Do not force easy FP constants into memory.
19510 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
19511 immed_double_const to ensure they are properly truncated then
19514 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
19516 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
19517 always unless NO_DEBUG is used. Compile this code
19519 (replace_symbols_in_block): Compile it unconditionally.
19521 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
19523 * configure.in (i?86-*-elf*): New target.
19524 * configure: Rebuilt.
19525 * i386/i386elf.h, i386/t-i386elf: New files.
19527 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
19529 * toplev.c (main): Don't complain about saying -gdwarf.
19530 (rest_of_compilation): Remove redundant code.
19532 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
19534 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
19536 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
19538 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
19539 "Li960R:", to avoid name clash.
19541 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19543 * loop.c (check_dbra_loop): When reversing a loop, delete all
19544 REG_EQUAL notes referencing the reversed biv except those which are
19545 for a giv based on it.
19547 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
19549 * version.c: Drop "gcc-" prefix from version #.
19551 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
19553 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
19554 the label if we're being verbose.
19556 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
19558 * m68k.c (output_function_prologue): Add pic register to mask
19559 if live and flag_pic.
19560 (output_function_epilogue): Likewise.
19562 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
19564 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
19565 directives in column zero.
19567 * pa/elf.h (ASM_FILE_START): Define.
19568 * pa/som.h (ASM_FILE_START): Include .level directives.
19569 * pa/hpux10.h (ASM_FILE_START): Delete.
19570 * pa/hpux11.h (ASM_FILE_START): Delete.
19572 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
19574 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19576 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
19577 when reload_out equals reload_in.
19579 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
19581 * invoke.texi (Spec Files): New node: Describe the contents of
19584 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
19586 * invoke.texi (DEC Alpha Options): Put @end table at
19587 beginning of line, to avoid confusing texi2html.
19589 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
19591 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
19592 introduced in previous delta.
19594 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19596 * reload1.c (gen_reload): When synthesizing a 3 operand add
19597 sequence, improve test for when to reload OP1 into the reload
19598 register instead of OP0.
19600 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
19602 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
19604 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
19606 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
19609 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
19611 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
19612 (va_dcl): Use __builtin_va_alist_t.
19614 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
19616 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
19617 on the permanent_obstack.
19618 * dwarfout.c (output_type): Likewise.
19620 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
19622 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19623 Merged from c-typeck.c and cp/typeck.c.
19624 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19625 Merged into c-common.
19627 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
19629 * c-lex.c (errorcount): Declare it.
19630 (finish_parse): Update errorcount when using CPPLIB.
19632 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
19634 * fixinc/inclhack.def(end_else_label): Double the backslash so
19635 sed gets a chance to see it.
19636 * fixinc/inclhack.sh: regen
19637 * fixinc/fixincl.x: regen
19639 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
19641 Add framework to support armv5 architecture when it becomes
19644 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
19645 (arm_arch5): New variable.
19646 (all_architectures): Add armv5 line.
19647 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
19648 -march=armv5 is specified on the command line.
19649 (arm_arch5): Export this variable.
19650 * invoke.texi: Document new string accepted by -march= switch for
19653 * config/arm/arm.h: Replace use of constant 12 as a register
19654 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19655 * config/arm/arm.c: Replace use of constant 12 as a register
19656 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19658 * config/arm/elf.h: Tidy up.
19659 * config/arm/coff.h: Tidy up.
19661 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
19663 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
19664 * gcc/config/mips/t-iris6gld: New file.
19665 * gcc/config/mips/iris6gld.h: Likewise.
19667 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
19669 * c-decl.c (widest_integer_literal_type_node,
19670 widest_unsigned_literal_type) : New.
19671 (init_decl_processing): Handle/use the two new types.
19672 * c-common.c (type_for_size,type_for_mode) : Same.
19673 * c-lex.c (yylex) : Same.
19674 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19676 * c-tree.h (widest_integer_literal_type_node,
19677 widest_unsigned_literal_type) : New.
19679 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
19681 * dwarfout.c (field_byte_offset): Correctly compute the object's
19682 byte offset for the first bit of a field which crosses an alignment
19683 boundary on a !BYTES_BIG_ENDIAN target.
19685 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
19687 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
19690 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
19691 Jeff Law <law@cygnus.com>
19693 * ginclude/varargs.h (va_dcl): Use word_mode for type of
19696 * except.c: Include intl.h.
19697 (expand_eh_return): Set current_function_cannot_inline.
19698 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
19699 * function.h (struct function): Add eh_return_stub_label.
19700 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
19701 * Makefile.in (except.o): Depend on intl.h.
19703 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
19705 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
19706 same as offsettable in cases 1 and 2.
19708 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
19710 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
19711 (extlh, extwh): Likewise.
19713 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
19715 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
19717 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
19719 * configure.in: Add arm-pe and thumb-pe targets.
19720 * configure: Regenerate.
19722 * thumb.c (arm_naked_function_p): New function: Determines if
19723 a function is naked (has no gcc generated prologue/epilogue).
19724 (is_called_in_ARM_mode): Return true if the func has the
19725 interfacearm attribute.
19726 (output_return): Do not generate a return for naked functions.
19727 (thumb_function_prologue): Do not generate a prologue for
19729 (thumb_expand_prologue): Do not generate a prologue for naked
19731 (thumb_expand_epilogue): Do not generate an epilogue for naked
19733 (arm_valid_machine_decl_attribute): New function, copied from
19734 arm.c: Permit naked and interfacearm attributes.
19736 * config/arm/pe.c: New file: Support code for arm-pe target.
19737 * config/arm/pe.h: New file: Header file for arm-pe target.
19738 * config/arm/tpe.h: New file: Header file for thumb-pe target.
19739 * config/arm/t-thumb-pe: New file: Makefile fragment for
19742 1999-07-01 Mark Kettenis <kettenis@gnu.org>
19744 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
19745 -fPIC or -fpic is specified.
19747 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
19749 * expr.c (emit_block_move): Use copy_to_mode_reg for
19750 !TARGET_MEM_FUNCTIONS case too.
19752 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
19754 * configure: Rebuilt.
19755 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
19756 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
19757 definitions made redundant by dbxelf.h inclusion. Delete
19758 lots of definitions related to assembly output that are
19759 specific to the SOM object format.
19760 * pa.c (output_function_prologue): Do not emit the function's
19762 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
19763 * pa-pro.h: Deleted.
19764 * som.h: New file with SOM specific definitions.
19765 * elf.h: New file with ELF specific definitions.
19767 * elfos.h (const_section): Output a tab before assembler directives.
19768 (ctors_section, dtors_section): Likewise.
19769 (ASM_OUTPUT_SECTION_NAME): Likewise.
19771 * pa/pa1.h: Delete unused file.
19773 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
19775 * configure.in (hppa*-hp-hpux11*): New configuration.
19776 * configure: Rebuilt.
19777 * pa/pa-hpux11.h: New file.
19778 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
19781 * mips.md (leasi, leadi): New patterns.
19783 * expr.c (emit_block_move): Properly handle case where one of the
19784 block move arguments has a queued increment or decrement.
19785 (clear_storage): Similarly. Fix formatting goof.
19787 1999-06-28 "David O'Brien" <obrien@NUXI.com>
19789 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
19790 semicolon from the BSD VA_LIST replacement expression.
19792 * fixinc/inclhack.sh: regen
19793 * fixinc/fixincl.x: regen
19795 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
19796 now use the fixincl program.
19798 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
19800 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
19801 case. Also make the PIC register call_used.
19803 * m68k.h (FINALIZE_PIC): Delete.
19804 * m68k.c (finalize_pic): Delete.
19806 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
19808 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
19811 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
19813 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
19815 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
19817 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
19819 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
19821 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
19823 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
19825 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
19827 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
19829 * rs6000.c (output_toc): Always use hex values for floating-point
19830 constants. Store single-precision values in upper-half of TOC
19831 entry in 64-bit mode.
19832 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
19833 to final constraints.
19834 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
19835 (fctiwz): Improve accuracy of RTL for pattern.
19837 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
19839 * expr.c (expand_expr): Allow RTL_EXPR's through the
19840 MAX_INTEGER_COMPUTATION_MODE checks.
19842 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
19844 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
19845 such that MASK_SUPPORT_ARCH is not negative.
19847 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
19849 * loop.c (verify_dominator): Properly handle ADDR_VEC and
19850 ADDR_DIFF_VEC insns that appear inside loops.
19852 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
19853 Jeff Law <law@cygnus.com>
19855 * rs6000.md (movdf_hardfloat32): Revert previous patch.
19856 Handle LO_SUM the same as offsettable in cases 1 and 2.
19857 * rs6000.c (find_addr_reg): Revert previous patch.
19859 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
19861 * system.h (strstr): New external function declaration.
19862 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
19863 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
19864 * config.in, configure: Rebuilt.
19866 1999-06-24 Tom Tromey <tromey@cygnus.com>
19868 * gcc.c (main): Read user-specified specs files after computing
19869 additional startfile_prefixes.
19871 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
19873 Revert these two patches:
19875 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19876 * loop.c (strength_reduce): When doing biv->giv conversion, update
19877 reg note of NEXT->insn.
19879 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19880 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
19882 (recombine_givs): Set ix field after sorting.
19884 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19886 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
19887 for the parts of an UNSPEC / UNSPEC_VOLATILE.
19889 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
19891 *fixinc/inclhack.def: Add fix development commentary
19892 (read_ret_type): reactivate and add selection clause
19893 (zzz_*): tweak output file name to match what is used in hackshell.tpl
19894 *fixinc/{fixincl.x|inclhack.sh}: regen
19896 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
19898 * expr.c (expand_expr): STRIP_NOPS before checking against
19899 MAX_INTEGER_COMPUTATION_MODE
19900 (check_max_integer_computation_mode): Likewise.
19902 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
19904 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
19906 1999-06-22 Jim Wilson <wilson@cygnus.com>
19908 * expr.c (store_expr): When target is a promoted subreg, return a
19909 promoted subreg as a result.
19911 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
19913 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
19915 (dwarf2out_define): Mark unused parameters appropriately.
19916 (gen_unspecified_parameters_die): Ditto.
19917 (gen_subprogram_die): Fix signed/unsigned warnings.
19918 (gen_variable_die): Ditto.
19920 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
19922 * fixinc/inclhack.def(end_else_label): combined else_label
19923 and endif_label and fixed the sed expression.
19924 *fixinc/{fixincl.x|inclhack.sh}: regen
19926 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
19928 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
19929 'x' when handling non-offsettable addresses
19931 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
19933 * final.c (shorten_branches): Don't try to split an insn that has
19936 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
19938 * config/mips/mips.c (symbolic_expression_p): New function.
19939 (mips_select_rtx_section): Put symbolic expressions in the
19940 data section, not the read-only data section.
19942 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
19944 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
19946 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
19948 * collect2.c (main): Log frame table count.
19949 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
19950 (scan_prog_file) [COFF]: Handle frame tables.
19952 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
19953 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
19954 * alpha/elf.h: Undef them again.
19955 * alpha/vms.h: Remove their definitions.
19957 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19959 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
19960 remove the clobber of r0 and change the REG_UNUSED note to
19963 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
19965 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
19966 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
19967 fits in HOST_WIDE_INT and one uses union to access a long constant
19970 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
19972 * sparc.c (sparc_override_options): Don't allow profiling for
19973 code models other than medlow.
19974 (sparc_function_profiler): New function from old FUNCTION_PROFILER
19975 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
19976 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
19977 (sparc_block_profiler): Likewise.
19978 (sparc_function_block_profiler_exit): Likewise.
19979 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
19980 (FUNCTION_BLOCK_PROFILER): Likewise.
19981 (BLOCK_PROFILER): Likewise.
19982 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
19983 (MCOUNT_FUNCTION): New.
19984 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
19985 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
19986 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
19987 (MCOUNT_FUNCTION): New.
19988 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
19989 (BLOCK_PROFILER): Delete.
19990 (MCOUNT_FUNCTION): New.
19992 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
19994 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
19996 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
19998 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20001 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20004 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20007 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20010 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
20012 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
20015 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
20017 * i386/djgpp.h (LIB_SPEC): New.
20018 (STARTFILE_SPEC): New.
20020 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
20022 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
20024 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
20027 * system.h (WSTOPSIG): New macro.
20029 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
20031 * c-pragma.c (push_alignment): Don't ignore alignments greater than
20033 (insert_pack_attributes): Take into account member natural
20036 * i386/winnt.c (exports_head): New static variable.
20037 (i386_pe_record_exported_symbol): New function.
20038 (i386_pe_asm_file_end): Use.
20039 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
20040 symbols to be emitted at end of assembly.
20041 (ASM_DECLARE_OBJECT_NAME): Likewise.
20042 (ASM_DECLARE_FUNCTION_NAME): Likewise.
20044 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
20047 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
20049 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
20052 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
20054 * haifa-sched.c (sched_analyze_1): Use free_list instead of
20055 zapping reg_last_uses directly.
20056 (sched_analyze_2, sched_analyze_insn): Likewise.
20057 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
20059 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
20061 * rs6000.md (movdf_hardfloat32): Use worst case insn length
20062 attributes for cases 1 and 2.
20064 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
20066 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
20069 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
20071 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
20073 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
20075 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
20076 PIC_OFFSET_TABLE_REGNUM for general alloaction.
20077 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
20078 must be stacked if it is used for PIC accesses.
20079 * arm.c (use_return_insn): Handle PIC register specially.
20080 (output_return_instruction): Likewise.
20081 (output_func_{prologue,epilogue}): Likewise.
20082 (output_expand_prologue): Likewise.
20084 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
20085 (*strsi_predec): Renamed from *strqi_predec.
20086 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
20087 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
20089 * arm.c (arm_override_options): Remove warning about PIC code
20090 not being supported.
20092 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
20094 * rs6000.c (find_addr_reg): New function.
20095 * rs6000.h (find_addr_reg): Declare.
20096 (offsettable_addr_operand): Delete.
20097 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
20098 from and stores to GPRs.
20100 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
20102 * alpha.c (alpha_expand_block_move): Use get_insns rather than
20103 gen_sequence as argument to emit_no_conflict_block.
20105 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20107 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
20108 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
20109 *fixinc/fixincl.x: regen
20110 *fixinc/inclhack.sh: regen
20112 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
20114 * added support for -mpcrel (PC relative addressing for m68k)
20115 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
20116 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
20117 * m68k.c (print_operand_address): Handle 32-bit PIC case.
20118 (comments for general_src_operand): Add some explanation
20119 about EXTRA_CONSTRAINTS.
20120 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
20121 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
20122 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
20123 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
20124 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
20125 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
20126 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
20127 if not already set.
20128 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
20129 * m68k.h (TARGET_PCREL): New target flag.
20130 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
20131 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
20132 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
20133 contains a SYMBOL_REF. Relax this constraint during reload, since
20134 we want to use the predicates, not reload's built-in concept of a
20135 valid memory address, to control what insns need reloading.
20136 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
20137 operands (essentially 'g', 'm', and 's' under normal circumstances).
20138 * m68k.c (print_operand): Cause printing of pc-relative addresses
20139 to include pc register.
20140 (print_operand_address): Ditto.
20141 (general_src_operand): Accept operands that are not only
20142 general_operands, but are also valid when used as a pc-relative
20144 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
20145 (memory_src_operand): Similar, for memory_operands.
20146 (pcrel_address): New predicate to accept the special case of a
20147 pc-relative address.
20148 * m68k.md (many patterns): Rewrite common SImode, HImode, and
20149 QImode insns to accept *_src_operand instead of *_operand where
20150 pc-relative operands can fit. For example, a pc-relative operand
20151 can be used as a memory source operand for addsi3, but not as a
20152 memory destination.
20153 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
20155 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
20157 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
20158 .thumb_set pseudo op to mark aliases of thumb functions.
20160 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
20162 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
20163 preference to ASM_OUTPUT_DEF, if it is defined.
20165 * tm.texi: Document new, optional target macro
20166 ASM_OUTPUT_DEF_FROM_DECLS.
20168 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20170 * fixincludes: ISCNTL patch
20171 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
20172 (dgux_int_varargs): new for DG/UX
20173 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
20175 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
20177 * invoke.texi (ia32 options): Fix typo.
20179 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20181 * loop.c (strength_reduce): When doing biv->giv conversion, update
20182 reg note of NEXT->insn.
20184 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
20186 * loop.c (move_movables): Note issues with replacing REGs with
20188 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
20190 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
20192 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
20194 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
20195 the reference to `mcount' was not correct for the ELF on FreeBSD.
20197 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20199 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
20202 (recombine_givs): Set ix field after sorting.
20204 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
20206 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
20207 to safe to extract a subword out of a REG.
20209 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20211 * sh.md (mulsi3): Don't add a no-op move at the end.
20213 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20215 * cse.c (cse_insn): Don't put hard register source into tables for
20216 the last insn of a libcall.
20218 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20220 * loop.c (strength_reduce): Insert sets of derived givs at every
20221 biv increment, even if it's the only one.
20223 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20225 * dwarfout.c (add_incomplete_type): New fn.
20226 (output_type): Call it.
20227 (retry_incomplete_types): New fn.
20228 (dwarfout_finish): Call it.
20230 From Eric Raskin <ehr@listworks.com>:
20231 (output_type): Output types for bases.
20233 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20235 * mips.c (mips_output_conditional_branch): Add `break'
20236 between `default' label and `close braces'.
20238 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
20240 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
20241 specifications and make it realistic.
20242 (LIB_SPEC): Likewise.
20244 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
20246 * config/mips/mips.c (mips_secondary_reload_class): Check for
20247 (PLUS (SP) (REG)) and return appropriate register class.
20248 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
20249 Handle (PLUS (SP) (REG)).
20250 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
20251 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
20252 of emit_insn for tablejump.
20254 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
20256 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
20257 asm_fprintf format string by itself.
20258 (output_function_profiler): Likewise.
20260 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
20262 * combine.c (simplify_logical, case AND): Only call
20263 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
20264 or the constant is positive.
20266 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
20268 * configure.in: Fix typo in rs6000-ibm-aix4 case.
20269 * configure: Regenerate.
20271 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
20273 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
20274 require a sub-version #.
20275 * configure: Rebuilt.
20277 1999-06-14 Robert Lipe (robertlipe@usa.net)
20279 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
20281 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
20283 * c-typeck.c (process_init_element): Detect excess elements in
20284 char array initializer.
20286 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20288 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
20290 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20292 * invoke.texi (Option Summary): Add -fpermissive flag.
20294 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
20296 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
20297 that require PIC code sequences.
20299 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
20301 * configure.in: Add new target: thumb-elf.
20302 * configure: Regenerate.
20303 * config/arm/t-thumb-elf: New file: Makefile fragment for
20305 * config/arm/telf.h: New file: Header file for thumb-elf
20308 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
20310 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
20311 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
20312 initializers is some circumstances.
20314 * fixinc/inclhack.def (endif_label): Add additional selector for
20315 more bogus stuff after #endif statements.
20316 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
20318 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
20320 * i386/cygwin.h (SET_ASM_OP): Define.
20322 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
20324 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
20326 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20328 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
20331 * sh.md (ic_invalidate_line_i): Remove second alternative.
20333 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20335 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
20336 test for the presence of valid prototypes. Delete bypass expr.
20337 (ioctl_fix_ctrl): Correct the selection expression.
20338 (no_double_slash): Correct quoting rules
20339 *fixinc/fixincl.x: regen
20340 *fixinc/inclhack.sh: regen
20342 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
20344 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
20346 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20348 * rs6000.md (movsi_got_internal_mem): Delete.
20349 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
20350 (GOT_TOC_REGNUM): Delete.
20351 (PIC_OFFSET_TABLE_REGNUM): Define.
20352 (FINALIZE_PIC): Disable.
20353 * rs6000.c (rs6000_got_register): New code for fixed pic register.
20354 (rs6000_replace_regno): Delete.
20355 (rs6000_finalize_pic): Likewise.
20356 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
20358 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20360 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
20361 is a note; use <= for the compare; advance P while it is
20364 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
20366 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
20367 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
20369 * varasm.c (remove_from_pending_weak_list): Verify t->name
20370 is non-NULL before passing it to strcmp.
20372 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20374 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
20375 the typed arguments are not part of a comment
20376 (ioctl_fix_ctrl): Added a purpose comment
20377 *fixinc/fixincl.x: regenerate
20378 *fixinc/inclhack.sh: regenerate
20380 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20382 * invoke.texi: Add C4x invocation docs.
20384 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20386 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
20388 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
20390 (c4x_legitimize_reload_address): New function.
20391 * config/c4x/c4x.md: Update docs.
20393 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
20395 * fixincludes: Avoid removing '.'.
20396 * fixinc/fixinc.svr4: Likewise.
20397 * fixinc/fixinc.winnt: Likewise.
20398 * fixinc/inclhack.tpl: Likewise.
20399 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
20401 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20403 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
20405 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
20407 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
20409 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
20412 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
20414 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
20415 * configure: Regenerate.
20417 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
20419 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
20422 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
20424 * fixinc/inclhack.def (avoid_bool): Also catch
20425 "typedef [unsigned] int bool".
20426 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
20428 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
20429 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
20430 * configure: Rebuilt.
20432 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
20434 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
20435 such that we can override its definitions if necessary.
20436 (CPP_SPEC): New define. Support processor specific predefines via
20438 (CC1_SPEC): New define. Support processor specific compiler
20439 options via %(cc1_cpu).
20440 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
20443 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20445 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
20446 between sed's -e flag, and the open-quote following it.
20447 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
20449 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
20450 Jeffrey A Law (law@cygnus.com)
20452 * varasm.c (assemble_start_function): Remove the function
20453 from the pending weak decls list when we define a function.
20454 (assemble_variable): Similarly for variables.
20455 (weak_finish): Ignore items on the list with a NULL name.
20456 (remove_from_ending_weak_list); New function to "remove" an item
20457 from the pending weak declarations list.
20459 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20461 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
20463 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
20465 * c-lex.c (GETC): Redefine to call getch.
20466 (UNGETC): Redefine to call put_back.
20467 (putback_buffer): New structure type.
20468 (putback): New static structure.
20469 (getch): New function.
20470 (put_back): New function.
20471 (yylex): Replace unused bytes from bad multibyte character.
20473 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
20475 * cpplib.c (do_define): Cast `alloca' return value.
20476 (do_include, do_undef, do_pragma): Likewise.
20477 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
20479 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
20480 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
20482 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
20484 * sparc.md (abstf2): This should be an expand.
20485 (split after abstf2_notv9): Fix mode.
20486 (abstf2_hq_v9): New pattern.
20487 (abstf2_v9): Only use when no hard quad.
20488 (absdf2_v9): Fix if target is not the same as source.
20489 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
20490 Add correct output constraints.
20492 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
20494 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
20495 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
20497 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
20499 * mips.h (mips_output_conditional_branch): New function.
20500 (mips_adjust_insn_length): Likewise.
20501 (ASSEMBLER_SCRATCH_REGNUM): New macro.
20502 (ADJUST_INSN_LENGTH): Likewise.
20503 * mips.c (print_operand): Add `F' and `W' for floating-point
20504 comparison opcodes.
20505 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
20507 (mips_adjust_insn_length): New function.
20508 (mips_output_conditional_branch): New function.
20509 * mips.md (length): Adjust attribute definition to handle
20510 conditional branches. Change lengths to bytes, rather than
20511 instructions throughout. Remove length attribute from
20512 instructions whose length is four bytes, and rely on the default
20514 (dslot): Fix typo in comment.
20515 Reword conditional branch patterns to use
20516 mips_output_conditional_branch.
20518 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
20520 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
20521 (LIB_SPEC): Likewise.
20522 Link with -lprof1_r for -g/-pg.
20524 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20526 * loop.c (check_dbra_loop): Fix change of Jan 19.
20528 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
20530 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
20531 (STARTFILE_SPEC): Define, override the svr4.h version.
20532 (ENDFILE_SPEC): Likewise.
20534 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
20536 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
20537 * fixinc/fixincl.x: Regenerated.
20538 * fixinc/inclhack.sh: Regenerated.
20540 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20542 * sh.c (barrier_align): Don't return early for normal branch/barrier
20543 when optimizing for SH2.
20545 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
20547 * i386/udk.h (LINK_SPEC): Correct linker search path for
20550 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20552 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
20553 (braf_label_ref_operand): Delete.
20554 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
20555 * sh.md (casesi_jump_2): Operand1 is now the inside of a
20556 label_ref, and has no predicate.
20557 The patten has a predicate to guard against invalid substitutions.
20558 (dummy_jump): Delete.
20559 (casesi): Update use of casesi_jump_2.
20561 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20563 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
20564 *fixinc/fixincl.x: regenerate
20565 *fixinc/inclhack.sh: regenerate
20567 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
20569 * dwarf2out.c (add_incomplete_type): New fn.
20570 (gen_struct_or_union_type_die): Call it.
20571 (retry_incomplete_types): New fn.
20572 (dwarf2out_finish): Call it.
20574 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
20576 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
20577 current block starts with a CODE_LABEL and ends with a CALL and
20578 we can not find all the argument setup instructions for the CALL.
20580 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
20582 Revert this change:
20583 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
20584 something is a candidate for optimize_bit_field_compare.
20586 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20588 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
20590 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
20592 * alpha.c (override_options): Thinko in last patch.
20594 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
20595 (LIB_SPEC): Recognize -pthread.
20597 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
20599 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
20600 definition in config/arm/coff.h
20601 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
20603 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20605 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
20606 fixes that need "file=xxx\n" prepended before invocation
20607 (start_fixer - new): starting the fixer process is complex enough
20608 to warrent its own routine. It prepends the "file=xxx\n" stuff.
20609 (process): uses the new routine; omit usage of putenv()
20610 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
20611 * fixinc/fixincl.x: regenerate
20613 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
20615 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
20616 and version #s (1.1 -> 2.96) as needed.
20617 * README.g77: Kill way out of date file in the toplevel directory.
20619 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
20621 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
20622 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
20623 * configure: Rebuilt.
20624 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
20625 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
20626 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
20627 (SWITCH_TAKES_ARG): Likewise.
20628 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
20629 * config/t-freebsd: Moved from config/i386/ so it can used for all
20632 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
20634 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
20636 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
20638 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
20639 * configure: Rebuilt.
20641 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
20643 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
20644 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
20645 * rs6000/rs6000.c (rs6000_file_start): Use putc.
20646 (rs6000_output_load_toc_table): Same.
20647 (output_prolog, output_mi_thunk): Same.
20648 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
20649 (ASM_GLOBALIZE_LABEL): Use putc.
20651 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
20653 * alpha.md (reload_*_help): New patterns and splitters.
20654 (reload_*): Use them.
20655 (mov[qh]i): Likewise.
20657 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
20659 * cccp.c (handle_directive): Handle backslash-newlines in quoted
20662 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
20664 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
20666 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
20668 * flow.c (mark_regs_live_at_end, insn_dead_p,
20669 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
20670 and HARD_FRAME_POINTER_REGNUM special treatment if reload
20671 hasn't run or the frame pointer is needed.
20672 * haifa-sched.c (attach_deaths): Likewise.
20673 * sched.c (attach_deaths): Likewise.
20675 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
20677 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
20678 calculate_can_reach_end returns nonzero.
20680 * configure.in (native gas tests): Search for an assembler in the
20681 same manner that the installed compiler will.
20682 * configure: Rebuilt.
20683 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
20685 * alias.c (find_base_term): Improve handling of addresses
20686 constructed from binary operations.
20688 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
20690 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
20692 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
20694 * function.h (cleanup_label, frame_offset): Declare.
20695 (tail_recursion_label, tail_recursion_reentry): Likewise.
20696 (arg_pointer_save_area, rtl_expr_chain): Likewise.
20697 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
20698 (tail_recursion_label, tail_recursion_reentry): Likewise.
20699 (arg_pointer_save_area, rtl_expr_chain): Likewise.
20701 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
20703 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
20705 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
20706 (MAX_OFILE_ALIGNMENT): Define.
20708 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
20710 * fixincl.c: Replace local include scheme with #includes of
20711 gansidecl.h and system.h.
20712 * procopen.c: Likewise.
20713 * server.c: Likewise.
20715 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
20717 * i386/t-dgux (EXTRA_PARTS): Add crti.o
20718 (crti.o): Add build rule and dependencies.
20719 * fixinc/fixinc.dgux: Use modified _int_varargs.h
20721 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20723 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
20724 (LIB_LINUX_SPEC): Likewise.
20725 (LIB_LINUX_SPEC): Add support for -pthread
20726 (CPP_OS_LINUX_SPEC): Likewise.
20727 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
20730 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
20732 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
20734 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
20735 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
20736 for IEEE math and CC_FCOMI.
20737 (put_jump_code): No IEEE if CC_FCOMI is set.
20739 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20741 * fold-const.c (fold_truthop): Make the field reference unsigned
20742 when converting a single bit compare.
20744 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20746 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
20748 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
20750 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
20751 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
20754 * reload.c (push_reload): Do not call remove_address_replacements
20755 when presented with identical optional reloads.
20757 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
20759 * alpha.h (MASK_FIX, TARGET_FIX): New.
20760 (MASK_*): Reorganize constants.
20761 (CPP_AM_FIX_SPEC): New.
20762 (TARGET_SWITCHES): Add FIX.
20763 (EXTRA_SPECS): Likewise.
20764 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
20765 (SECONDARY_MEMORY_NEEDED): Likewise.
20766 (REGISTER_MOVE_COST): Likewise.
20767 * alpha.c (override_options): Add FIX support. Always use
20768 ALPHA_TP_PROG for ev6.
20769 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
20770 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
20771 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
20773 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
20775 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
20776 something is a candidate for optimize_bit_field_compare.
20778 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
20780 * gcc.texi (Passes): Document branch-shortening.
20781 * invoke.texi (Debugging Options): Document the fact that `-dp'
20782 outputs length information for instructions.
20784 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
20786 * flow.c: Revert previous delta.
20788 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
20790 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
20791 FRAME_POINTER_REGNUM.
20792 (mark_set_1): Ditto.
20793 (mark_used_regs): Ditto.
20795 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
20797 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
20798 (GOT_PCREL): New macro. Define to 1 if not already defined.
20799 * arm/elf.h (GOT_PCREL): Define to 0.
20800 * arm.c (arm_finalize_pic): Take into account the setting of
20803 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
20805 * output.h (STRIP_NAME_ENCODING): Provide default definition.
20806 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
20808 * flow.c (mark_set_1): Do not record BLKmode stores as dead
20809 store elimination candidates.
20811 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
20813 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
20816 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
20818 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
20819 Add use of x-aix41-gld.
20821 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
20823 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
20824 (ASM_OUTPUT_DESTRUCTOR): Define.
20826 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
20828 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
20829 last CODE_LABEL in a loop if we have previously passed a jump
20830 to the top of the loop.
20832 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
20834 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
20835 applying Philip's patch.
20837 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
20839 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
20842 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
20844 * loop.c (strength_reduce): Grow reg_single_usage as needed.
20846 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
20848 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
20849 Also remove a useless comment.
20851 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20853 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
20855 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
20857 * collect2.c (main): Only generate import or export file and add
20858 to link arguments if non-empty. Use xmalloc not alloca.
20859 (write_{export,import}_file): Delete.
20860 (write_aix_file): New function.
20861 (locatelib): Use xmalloc not malloc.
20862 (GCC_OK_SYMBOL): Do not check type if aix64.
20864 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
20866 Based on patch by Scott Bambrough and Pat Beirne:
20867 * config/arm/arm.c (making_const_table): New variable.
20868 * config/arm/arm.h (making_const_table): Declare.
20869 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
20871 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
20872 Keep track of when we are building the constant table.
20874 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
20876 * config/arm/arm.c (arm_override_options): Fix erroneous warning
20879 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
20881 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
20884 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
20886 * tm.texi (FUNCTION_ARG): Correct description of a stack element
20889 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
20891 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
20893 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20895 * rs6000.c (output_mi_thunk): Enable full support again.
20897 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20899 * sh.h (BRANCH_COST): Define.
20901 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
20903 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
20905 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
20907 * function.c (assign_stack_local): Align stack slot propertly.
20908 (assign_outer_stack_local): Likewise.
20910 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
20912 * expr.h (lang_expand_constant): Declare.
20913 * toplev.c (lang_expand_constant): Define it.
20914 * varasm.c (output_constant): Use it.
20916 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20918 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
20919 Change function definitions to K&R style.
20921 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20923 * fixinc/fixincl.c: We must not ignore SIGCLD now.
20925 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
20927 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
20928 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
20929 (several places): omit static initialization
20930 (process): use single fd, since only the read fd is used
20931 * fixinc/gnu-regex.c: define 'const' away, if not supported
20932 * fixinc/procopen.c(several places): omit static initialization
20933 * fixinc/server.c: define 'volitile' away, if not supported
20935 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20937 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
20938 asm_fprintf and %L to generate the label name.
20939 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
20940 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
20942 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
20944 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
20945 insn for a conditional jump can not be found.
20947 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
20949 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
20950 on variables in specific sections other than .sbss and .sdata.
20952 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
20954 * stmt.c (expand_return): Call start_cleanup_deferral and
20955 end_cleanup_deferral around conditional code.
20957 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20959 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
20960 filename lists. Utilizes new "krstr" AutoGen function.
20961 * fixinc/fixincl.x: Rebuilt.
20963 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
20965 * i386.c (output_float_compare): Avoid GNU-C extensions.
20967 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
20969 * version.c: Bump to distinguish mainline tree from the
20972 See ChangeLog.1 for earlier changes.