1 2000-03-20 Andreas Jaeger <aj@suse.de>
3 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
6 2000-03-20 Richard Henderson <rth@cygnus.com>
8 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
9 (combine_stack_adjustments_for_block): Don't allow sp references
10 in the side of a set we're not fixing up.
11 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
14 2000-03-20 Richard Henderson <rth@cygnus.com>
16 * calls.c (expand_call): Don't bother generating tail call
17 sequences if there are pending cleanups. Use
18 expand_start_target_temps/expand_end_target_temps to elide
19 cleanups created during sibcall expansion.
21 2000-03-20 Geoff Keating <geoffk@cygnus.com>
23 * configure.in: Set $IFS to a value if it doesn't already have one
24 in the --enable-checking handling.
25 * configure: Regenerate.
27 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
29 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
30 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
33 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
35 * jump.c (delete_noop_moves): Remove code attempting to
36 combine stack adjustments.
38 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
40 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
41 * except.c (emit_cleanup_handler): Use them.
42 (expand_end_all_catch): Likewise.
43 * function.c (fixup_var_refs): Likewise.
44 (expand_function_end): Clear catch_clauses_last.
45 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
46 * except.h (struct eh_status): New field x_catch_clauses_last.
47 (catch_clauses_last): New define.
49 * Makefile.in (tree.o): Depend on HASHTAB_H.
50 * tree.c: Include hashtab.h.
51 (struct type_hash): Remove next field.
52 (TYPE_HASH_SIZE): Remove.
53 (TYPE_HASH_INITIAL_SIZE): New define.
54 (type_hash_table): Change type to htab_t.
55 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
56 mark_hash_entry): New functions.
57 (init_obstacks): Allocate type hash.
58 (type_hash_lookup): Use htab functions.
59 (type_hash_add, mark_type_hash): Likewise.
60 (dump_tree_statistics): Call print_type_hash_statistics.
62 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
64 * rs6000/t-aix41: New file.
66 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
68 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
70 * tm.texi (Driver): Fix typos and tweak entry for
72 Move misplaced STRUCT_FORCE_BLK entry ...
73 (Storage Layout): ... to here.
74 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
76 2000-03-19 Richard Henderson <rth@cygnus.com>
78 * flow.c (delete_block): Delete the addr_vec along with the block.
79 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
82 * fold-const.c (extract_muldiv): Apply type check for defined
83 overflow to multiply as well as divide.
85 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
87 2000-03-18 Mark Mitchell <mark@codesourcery.com>
89 * emit-rtl.c (remove_unncessary_notes): Check that all
90 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
91 associated NOTE_BLOCK.
92 * function.h (identify_blocks): Update comments.
93 (reorder_blocks): Declare.
94 * function.c (identify_blocks): Don't take paramters.
95 (reorder_blocks): Don't take parameters.
96 * loop.h (find_loop_tree_blocks): Remove.
97 (unroll_block_trees): Likewise.
98 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
99 reorder_blocks instead of unroll_block_trees.h
100 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
101 * stmt.c (find_loop_tree_blocks): Remove.
102 (unroll_block_trees): Likewise.
103 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
104 in whole-function mode.
105 * tree.h (reorder_blocks): Remove declaration.
107 * expr.c: Include intl.h.
108 * Makefile.in (expr.o): Depend on intl.h.
110 2000-03-18 Richard Henderson <rth@cygnus.com>
112 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
114 2000-03-18 Mark Mitchell <mark@codesourcery.com>
116 * tree.h (tree_index): Remove enumerals for integer types.
117 (integer_type_kind): New type.
118 (integer_types): New variable.
119 (char_type_node): Adjust.
120 (signed_char_type_node): Likewise.
121 (unsigned_char_type_node): Likewise.
122 (short_integer_type_node): Likewise.
123 (short_unsigned_type_node): Likewise.
124 (integer_type_node): Likewise.
125 (unsigned_type_node): Likewise.
126 (long_integer_type_node): Likewise.
127 (long_unsigned_type_node): Likewise.
128 (long_long_integer_type_node): Likewise.
129 (long_long_unsigned_type_node): Likewise.
130 * tree.c (integer_types): New variable.
131 (init_obstacks): Register it as a root.
133 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
135 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
136 NEXT_INSN. Update last insn in chain.
138 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
140 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
141 with TYPE_DECL_SUPPRESS_DEBUG set.
143 2000-03-18 Richard Henderson <rth@cygnus.com>
145 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
147 2000-03-18 Richard Henderson <rth@cygnus.com>
149 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
151 (expander_call_insn_operand): Remove.
152 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
153 * i386.h (PREDICATE_CODES): Update.
154 * i386.md (all call expanders): Remove predicates, remove special
155 handling for half-pic.
156 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
157 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
158 (sibcall_epilogue): New.
160 2000-03-17 Richard Henderson <rth@cygnus.com>
162 * rtlanal.c (single_set): Reject if the parallel has anything
163 except SET or USE or CLOBBER.
165 2000-03-17 Jeff Law <law@cygnus.com>
166 Richard Henderson <rth@cygnus.com>
168 * Makefile.in (OBJS): Add sibcall.o.
170 * sibcall.c: New file.
171 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
172 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
173 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
174 Emit sibcall patterns when requested. Update all callers.
175 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
176 elimination seems feasable.
177 * final.c (leaf_function_p): Sibling calls don't discount being
179 * flow.c (HAVE_sibcall_epilogue): Provide default.
180 (find_basic_blocks_1): Sibling calls don't throw.
181 (make_edges): Make edge from sibling call to EXIT.
182 (propagate_block): Don't remove sibcall_epilogue insns.
183 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
184 (sibcall_epilogue): New.
185 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
186 (identify_blocks_1): Likewise. Break out from ...
187 (identify_blocks): ... here.
188 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
189 (reorder_blocks): ... here.
190 (init_function_for_compilation): Zap prologue/epilogue as varrays.
191 (record_insns): Extend a varray instead of mallocing new memory.
192 (contains): Read a varray not array of ints.
193 (sibcall_epilogue_contains): New.
194 (thread_prologue_and_epilogue_insns): Emit and record
195 sibcall_epilogue patterns.
196 (init_function_once): Allocate prologue/epilogue varrays.
197 * genflags.c (gen_insn): Treat sibcall patterns as calls.
198 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
200 (save_for_inline_nocopy): ... here.
201 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
203 (expand_inline_function): ... here.
204 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
205 (subst_constants): Handle 'n' formats.
206 * jump.c (jump_optimize_minimal): New.
207 (jump_optimize_1): New arg `minimal'; update callers. Elide most
208 optimizations if it's set.
209 * rtl.c (copy_rtx): Do copy jump & call for insns.
210 * rtl.h (struct rtx_def): Document use of jump and call for insns.
211 (SIBLING_CALL_P): New.
212 (sibcall_use_t): New.
213 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
214 Invoke optimize_sibling_and_tail_recursive_calls.
215 * tree.c (lang_safe_for_unsave): New.
216 (safe_for_unsave): New.
217 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
219 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
220 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
221 (*sibcall_osf_1, *sibcall_value_osf_1): New.
223 2000-03-17 Mark Mitchell <mark@codesourcery.com>
225 * objc/objc-act.c (encode_method_prototype): Pass types, not
226 PARM_DECLs, to int_size_in_bytes.
228 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
230 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
232 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
233 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
235 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
237 * Clean up usages of TREE_INT_CST_LOW.
238 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
239 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
241 * c-tree.h (min_precision): Move declaration to here.
242 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
243 (build_unary_op, add_pending_init): Use bit_position.
244 (pending_init_member, process_init_element): Likewise.
245 (really_start_incremental_init, push_init_level, pop_init_level):
246 Don't make copies of nodes or modify them in place, use consistent
247 types when tracking positions, and use tree routines computations.
248 (set_init_index, output_init_element): Likewise.
249 (output_pending_init_elements, process_init_element): Likewise.
250 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
251 tree_low_cst and int_bit_position; also minor cleanup.
252 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
253 (print_cst_octal): Precision is unsigned.
254 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
255 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
256 (simple_type_align_in_bits): Result is unsigned int.
257 Use tree_int_low_cst and host_integerp.
258 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
259 (field_byte_offset): Result is HOST_WIDE_INT.
260 Change types of internal variables so alignments are unsigned int,
261 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
262 Use host_integerp, tree_low_cst, and int_bit_position.
263 (add_bit_offset_attribute): Likewise.
264 (add_data_member_location_attribute): Use tree_cst_low.
265 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
266 (add_bit_size_attribute): Use tree_low_cst.
267 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
268 * dwarfout.c: Similar changes to dwarf2out.c.
269 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
270 * genoutput.c (n_occurences): Return -1 for null string.
271 (strip_whitespace): Accept null string and make into function.
272 (scan_operands): Reflect above changes.
273 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
274 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
275 * ssa.c (rename_registers): Add missing cast of arg to bzero.
276 * tree.c (int_size_in_bytes): Check for too big to represent.
277 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
278 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
280 (min_precision): Delete from here.
281 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
282 and int_bit_position.
283 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
284 (encode_method_def): Likewise.
285 (build_ivar_list_initializer): Use int_bit_position.
286 (generate_shared_structures): Convert size.
287 (encode_type, encode_complete_bitfield): Use integer_zerop.
288 (encode_bitfield): Use tree_low_cst and int_bit_position.
290 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
292 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
294 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
296 * call.c (special_function_p): It is only malloc if it returns
299 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
301 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
302 (C33_FLAG, TARGET_C3X): Add macros.
303 (TARGET_SWITCHES): Add -m33 option.
304 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
306 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
308 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
309 (PARALLEL_PACK_FLAG): Delete.
310 (TARGET_SWITCHES): Update.
311 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
313 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
315 * fold-const.c (fold): Fix a few cases when the returned result
316 is not of the same type as the input.
318 2000-03-16 Nick Clifton <nickc@cygnus.com>
320 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
323 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
325 * libgcc2.h: Move prototypes above macros with the same name.
326 Wrap some function prototypes in the conditional which indicates
327 whether they are supported, i.e. "BITS_PER_UNIT == 8".
329 2000-03-16 Richard Henderson <rth@cygnus.com>
331 * calls.c: Revert last two changes.
333 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
335 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
336 has exponent 0 is a zero.
338 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
339 HASH may already be nonzero. Add code/mode into hash value
340 immediately after repeat label.
341 (cselib_lookup): Don't leave the hash table in an inconsistent
342 state before a hash lookup operation.
344 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
346 * i386.md (all HI and QI mode non-move patterns): Conditionize
347 by TARGET_[HQ]IMODE_MATH.
348 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
349 x86_promote_qi_regs): Declare.
350 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
351 TARGET_PROMOTE_QI_REGS): New macros.
352 (PROMOTE_MODE): New macro.
353 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
354 x86_promote_qi_regs): New global variables.
356 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
358 * calls.c (emit_library_call_value_1): Break out from ...; handle
359 VOIDmode function calls too.
360 (emit_library_call_value): ... here.
361 (emit_library_call): Implement by calling emit_library_call_value_1.
363 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
365 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
366 Update arg_space_so_far on stack adjustments.
367 (emit_library_call, emit_library_call_value): Likewise; take into
368 account arg_space_so_far and pending_stack_adjust when calculcating
371 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
373 * flow.c: Move all basic block reordering code into its own file.
374 (create_basic_block): Externalize.
375 * bb-reorder.c: New file. Copy all basic block reordering code from
377 (reorder_basic_blocks): Fix fencepost error in for-loop.
378 (reorder_basic_blocks): Remove braces from single statement for-loops.
379 * basic-block.h: Add declaration for create_basic_block.
380 * Makefile.in: Add rules for bb-reorder.o.
382 2000-03-16 Neil Booth <NeilB@earthling.net>
384 * cppinit.c (handle_option): Implement #unassert directive
385 as -A- command line option.
386 (print_help): Update.
389 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
391 * md.texi (Standard Names): Document `jump'.
393 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
395 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
398 2000-03-15 Geoff Keating <geoffk@cygnus.com>
400 See the ChangeLog on the branch for more details.
402 * configure.in: Merge in changes from newppc-branch.
403 * configure: Regenerate.
404 * config/rs6000/*: Merge in changes from newppc-branch.
405 Also correct copyright notices.
407 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
409 * acconfig.h (HAVE_GAS_WEAK): New define.
410 * configure.in (assembler weak support): Check for .weak support.
411 * config.in, configure: Rebuilt.
412 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
413 HAVE_GAS_WEAK is defined.
415 2000-03-15 Nick Clifton <nickc@cygnus.com>
417 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
420 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
422 * cppfiles.c (open_include_file): New function.
423 (find_include_file, cpp_read_file): Use it.
425 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
427 * cpphash.c (dump_hash_helper): Take the slot, not the element.
429 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
431 * flow.c (verify_flow_info): Check for unconditional return.
433 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
435 * config/ia64/ia64.md (restore_stack_nonlocal): New.
436 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
437 (__ia64_restore_stack_nonlocal): New.
438 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
440 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
442 * cpphash.c (collect_formal_parameters): Do not complain about
443 parameter names that just start with `__VA_ARGS__'.
445 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
447 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
448 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
449 * i386.c (pentiumpro_cost): Set mul cost to 4.
450 (x86_use_movx): Set for PPro.
452 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
454 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
455 STACK_BOUNDARY for empty frames now.
457 2000-03-14 Mark Mitchell <mark@codesourcery.com>
459 * stor-layout.c (layout_union): Remove.
460 (layout_union_field): New function, split out from layout_union.
461 (finish_union_layout): Likewise.
462 (layout_field): Handle unions by calling layout_union_field.
463 (finish_record_layout): Handle unions.
464 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
465 QUAL_UNION_TYPE handling.
467 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
469 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
470 end of basic block is jump_insn, not barrier; use create_basic_block
471 instead of creating basic block by hand.
473 2000-03-14 Jason Eckhardt <jle@cygnus.com>
475 * flow.c (reorder_basic_blocks): Account for barriers when writing
476 over NEXT_INSN (last_bb->end).
477 (verify_flow_info): Add check for missing barriers.
479 2000-03-14 Greg McGary <gkm@gnu.org>
481 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
482 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
483 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
484 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
485 __unbounded, __unbounded__): New keywords.
486 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
487 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
488 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
490 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
492 * cselib.h: New file.
493 * alias.c: Include "cselib.h".
494 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
495 MEMs as two new arguments.
496 (get_addr): New static function.
497 (find_base_term): Handle VALUEs.
498 (memrefs_conflict_p): Likewise.
499 (true_dependence): Call get_addr on the addresses.
500 Call fixed_scalar_and_varying_struct_p with addresses that have been
501 passed through get_addr and canon_rtx.
502 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
503 with true_dependence.
504 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
505 * loop.c: Include "cselib.h".
506 (load_mems): Process extended basic block that enters the loop with
507 cselib. Use that information to change initialization of the shadow
508 register so that a constant equivalence is seen by later passes.
509 * reload1.c: Include "cselib.h".
510 (reload_cse_invalidate_regno): Delete function.
511 (reload_cse_mem_conflict_p): Likewise.
512 (reload_cse_invalidate_mem): Likewise.
513 (reload_cse_invalidate_rtx): Likewise.
514 (reload_cse_regno_equal_p): Likewise.
515 (reload_cse_check_clobber): Likewise.
516 (reload_cse_record_set): Likewise.
517 (reg_values): Delete static variable.
518 (invalidate_regno_rtx): Likewise.
519 (reload_cse_delete_noop_set): New static function.
520 (reload_cse_simplify): New static function, broken out of
522 (reload_cse_noop_set_p): Delete unused argument INSN.
523 Just call rtx_equal_for_cselib_p on set source and destination.
524 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
525 reload_cse_delete_noop_set. Delete code to keep track of values; use
526 cselib functions instead. Delete code to push/pop obstacks.
527 (reload_cse_simplify_set): Use cselib to find equivalent values.
528 Delete code to push/pop obstacks.
529 (reload_cse_simplify_operands): Likewise.
530 * rtl.def (VALUE): New rtx code.
531 * rtl.h (union rtunion_def): New elt rt_cselib.
532 (X0CSELIB, CSELIB_VAL_PTR): New macros.
533 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
534 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
535 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
536 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
537 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
538 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
539 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
540 cselib_record_set, cselib_record_sets): New static functions.
541 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
542 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
543 references_value_p): New functions.
544 (MAX_USELESS_VALUES, REG_VALUES): New macros.
545 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
546 n_useless_values, reg_values, callmem, cselib_obstack,
547 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
548 New static variables.
549 * varray.h (union varray_data_tag): New elt te.
550 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
551 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
554 2000-03-14 Nick Clifton <nickc@cygnus.com>
556 * gcc.c (do_spec_1): Catch the case where %* is used in a
557 substitution pattern, but it has not been initialised.
558 Issue a meaningful error message if an unrecognised operator
559 is encountered in a spec string.
561 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
563 * function.c (prepare_function_start): Correctly initialize
564 cfun->stack_alignment_needed.
566 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
568 * cppfiles.c (find_include_file): Don't assume nshort is a
571 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
573 * configure.in (hppa configurations): Add pa32-regs.h to the
574 list of tm files as appropriate.
575 * configure: Rebuilt.
576 * pa.c (compute_frame_size): Remove explicit knowledge about FP
578 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
579 (fmpyaddoperands, fmpysuboperands): Likewise.
580 * pa.h: Remove various definitions which depend on knowing
581 how registers are numbered.
582 * pa32-regs.h: New file with PA32 register numbering specific
585 2000-03-14 Richard Henderson <rth@cygnus.com>
587 * regmove.c (combine_stack_adjustments): New.
588 (stack_memref_p, single_set_for_csa): New.
589 (free_csa_memlist, record_one_stack_memref): New.
590 (try_apply_stack_adjustment): New.
591 (combine_stack_adjustments_for_block): New.
592 * rtl.h (combine_stack_adjustments): Declare.
593 * toplev.c (rest_of_compilation): Call it.
595 * i386.md: Revert 2000-01-16 change.
597 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
599 * gccbug.in: Add web category, gcc specific classes.
601 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
603 * stor-layout.c (finalize_record_size): Fix typo.
605 2000-03-14 Stan Shebs <shebs@apple.com>
607 * c-typeck.c (c_alignof): Error on incomplete types.
608 * extend.texi (Alignment): Document this.
610 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
612 * cppfiles.c: Include mkdeps.h.
613 (find_include_file, read_include_file): Remove _cpp_ prefix
614 from name, make static.
615 (_cpp_execute_include): New function, broken out of
618 * cpplib.c: Don't include mkdeps.h.
619 (struct directive): Remove type field. Reorder entries. The
620 function takes only one argument.
621 (struct if_stack): Make type field an int.
622 (directive_table): Rename to dtable. Generate it, the
623 prototypes of the directive handlers, and the enum for the
624 directive numbers, from a template macro.
625 (do_ifndef, do_include_next, do_import): New functions.
626 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
627 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
628 do_ident, do_assert, do_unassert, do_sccs): Take only one
630 (do_sccs): Define always, but alter behavior based on
632 (_cpp_handle_directive, consider_directive_while_skipping):
633 Restructure for new directive table layout.
635 (pass_thru_directive): Take a directive number, not a pointer
636 to a struct directive.
637 (parse_include): New function, broken out of do_include.
638 (do_include, do_import, do_include_next): Use parse_include
639 and _cpp_execute_include.
640 (do_elif, do_else): Test for T_ELSE specifically when checking
641 for #elif/#else after #else.
642 (parse_ifdef): New function, broken out of do_ifdef.
643 (validate_else): Expect a name arg without a leading #.
644 (if_directive_name): Delete.
645 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
646 directive handlers with only one argument.
648 * cpphash.h: Update prototypes.
649 (enum node_type): Remove entries for directives.
650 * Makefile.in: Update dependencies.
652 * cpphash.c (dump_hash_helper): Only dump nodes of type
653 T_MACRO. Emit a newline after each definition.
655 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
657 * gccbug.in: New file.
658 * configure.in (all_outputs): Add gccbug.
659 * Makefile.in (install-common): Install gccbug.
660 (GCCBUG_INSTALL_NAME): New variable.
661 * configure: Rebuilt.
663 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
665 * function.c (put_var_into_stack): Use type_for_mode to calculate
666 part_type. Use MEM_SET_IN_STRUCT_P.
667 * expr.c (store_field): Handle CONCAT.
668 (store_constructor): Use fields_length.
669 * tree.c (fields_length): New fn.
670 * tree.h: Declare it.
672 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
674 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
675 (cpplex.o): New target.
676 * po/POTFILES.in: Add cpplex.c.
678 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
679 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
680 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
681 skip_block_comment, skip_line_comment, skip_comment,
682 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
683 _cpp_parse_name, skip_string, parse_string,
684 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
685 _cpp_get_directive_token, find_position,
686 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
687 (maybe_macroexpand, _cpp_lex_token): New functions.
689 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
690 parse_goto_mark): Delete.
691 (_cpp_handle_eof): New function.
692 (_cpp_handle_directive): Rename from handle_directive.
693 (_cpp_output_line_command): Rename from output_line_command.
694 (do_if, do_elif): Call _cpp_parse_expr directly.
695 * cppfiles.c (_cpp_read_include_file): Don't call
696 init_input_buffer here.
697 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
698 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
699 here; pop the token_buffer and skip the rest of the line here.
700 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
703 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
705 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
706 CPP_GOTO_MARK): New macros.
707 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
708 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
709 _cpp_read_and_prescan, _cpp_init_input_buffer,
710 _cpp_grow_token_buffer, _cpp_get_directive_token,
711 _cpp_handle_directive, _cpp_handle_eof,
712 _cpp_output_line_command): Prototype them here.
713 * cpplib.h (enum cpp_token): Add CPP_MACRO.
714 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
715 quote_string, output_line_command): Remove.
717 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
719 * stmt.c (expand_end_case): RANGE may be signed, and when checking
720 whether it is too large we must also verify that it isn't negative.
722 2000-03-13 Jakub Jelinek <jakub@redhat.com>
724 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
725 (movsi_zero_liveg0): Remove.
726 (movsf_insn_novis_liveg0): Remove.
728 (negsi2_not_liveg0): Rename to negsi2.
729 (one_cmplsi2): Remove.
730 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
731 (one_cmplsi2_liveg0): Remove.
732 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
733 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
734 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
735 (PREDICATE_CODES): Remove zero_operand.
736 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
737 TARGET_BROKEN_SAVERESTORE.
738 (zero_operand): Remove.
739 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
740 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
742 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
743 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
744 TARGET_BROKEN_SAVERESTORE): Remove.
745 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
747 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
749 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
752 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
754 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
756 * cpplib.c (do_pragma_implementation): Fix off-by-one error
757 truncating a string. Don't assume tokens are nul terminated.
758 Problem noted by Andreas Jaeger <aj@suse.de>
760 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
762 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
763 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
764 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
766 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
768 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
769 STRUCTURE_SIZE_BOUNDARY.
771 2000-03-13 Mark Mitchell <mark@codesourcery.com>
773 * tree.h (record_layout_info_s): New structure.
774 (record_layout_info): New type.
775 (new_record_layout_info): New function.
776 (layout_field): Likewise.
777 (finish_record_layout): Likewise.
778 * stor-layout.c (layout_record): Remove.
779 (new_record_layout_info): New function.
780 (layout_field): New function, broken out from layout_record.
781 (finalize_record_size): Likewise.
782 (compute_record_mode): Likewise.
783 (finalize_type_size): New function, broken out from layout_type.
784 (finish_record_layout): Likewise.
785 (layout_type): Use them.
787 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
789 * cpphash.c: Don't include version.h.
790 (special_symbol) [case T_VERSION]: Look for the string in
791 hp->value.cpval; don't use version_string.
792 * cppinit.c (initialize_builtins): Set hp->value.cpval for
793 __VERSION__ to version_string.
794 * Makefile.in (cpphash.o): Update deps.
796 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
798 Convert cpplib to use libiberty/hashtab.c.
800 * cpplib.h (struct cpp_reader): Make hashtab and
801 all_include_files of type 'struct htab *'. Delete HASHSIZE
802 and ALL_INCLUDE_HASHSIZE macros.
804 * cpphash.h: Update prototypes.
805 (struct hashnode): Remove next, prev, and bucket_hdr members.
806 Make length a size_t. Add hash member.
807 (struct ihash): Remove next member. Add hash member. Make
808 name a flexible array member.
810 * cppfiles.c: Include hashtab.h.
811 (include_hash): Delete.
812 (IHASHSIZE): New macro.
813 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
814 (cpp_included): Do the hash lookup here.
815 (_cpp_find_include_file): Rewrite.
816 (cpp_read_file): Put the "fake" hash entry into the hash
817 table. Honor the control_macro, if it turns out we've seen
818 the file before. Don't push the buffer here.
819 (_cpp_read_include_file): Push the buffer here.
820 (OMODES): New macro. Use it whenever we call open(2).
822 * cpphash.c: Include hashtab.h.
823 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
824 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
825 _cpp_lookup_slot): New functions.
826 (HASHSIZE): new macro.
827 (hashf, _cpp_install, _cpp_delete_macro): Delete.
828 (_cpp_lookup): Use hashtab.h routines.
830 * cppinit.c: Include hashtab.h.
831 (cpp_reader_init): Call _cpp_init_macro_hash and
832 _cpp_init_include_hash. Don't allocate hashtab directly.
833 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
834 pfile->all_include_files.
835 (initialize_builtins): Use _cpp_make_hashnode and
836 htab_find_slot to add hash entries.
837 (cpp_finish): Just call _cpp_dump_macro_hash.
838 * cpplib.c: Include hashtab.h.
839 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
841 (do_pragma_poison, do_assert): Likewise.
842 (do_include): Don't push the buffer here. Don't increment
843 system_include_depth unless _cpp_read_include_file succeeds.
844 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
846 (do_pragma_implementation): Use alloca to create copy.
848 * Makefile.in: Update dependencies.
850 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
852 * cppinit.c (cl_directive_handler): More K&R fixing.
854 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
856 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
858 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
860 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
862 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
863 Change from char[] to macros.
865 2000-03-12 Neil Booth <NeilB@earthling.net>
867 * cppinit.c (cpp_start_read): Update indirect function
870 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
872 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
875 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
876 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
878 2000-03-11 Neil Booth <NeilB@earthling.net>
880 * cppinit.c (struct pending option): Replace undef with a
881 pointer to a directive handling routine.
882 (struct cpp_pending): Replace separate assert_ and define_
883 lists with one directive_ list.
884 (new_pending_define): Rename new_pending_directive. Extra
885 argument is the directive's handling routine.
886 (handle_option): Update to use new_pending_directive.
888 2000-03-11 Neil Booth <NeilB@earthling.net>
890 * cppfiles.c (file_cleanup, _cpp_find_include_file,
891 remap_filename, _cpp_read_include_file, actual_directory,
892 hack_vms_include_specification): Replace bcopy(), index() etc
893 calls. Add casts to some allocations. Make some variables
894 pointers to const [unsigned] char.
895 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
896 collect_formal_parameters): Similarly.
897 * cppinit.c (struct pending_option, append_include_chain,
898 cpp_options_init, cpp_reader_init, initialize_standard_includes,
899 cpp_start_read, new_pending_define, handle_option): Similarly.
900 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
901 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
902 do_pragma_implementation, detect_if_not_defined,
903 do_ifdef, skip_if_group, cpp_get_token, parse_string,
904 do_assert, do_unassert): Similarly.
905 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
907 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
909 2000-03-10 Richard Henderson <rth@cygnus.com>
911 * builtins.c (expand_builtin_strlen): Revert last change.
912 Use emit_insn_before if we're at the beginning of a sequence.
914 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
916 * builtins.c (expand_builtin_strlen): Make sure that we have something
917 at the beginning of the sequence.
919 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
922 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
924 2000-03-10 Richard Henderson <rth@cygnus.com>
926 * except.c (can_throw): Use INTVAL on a CONST_INT.
927 (reachable_handlers): Likewise.
928 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
930 2000-03-10 Andreas Jaeger <aj@suse.de>
932 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
933 MD_STARTFILE_PREFIX since those are not needed on linux.
934 (ASM_FILE_START): New, from mips/gnu.h.
936 2000-03-09 Richard Henderson <rth@cygnus.com>
937 Alex Samuel <samuel@codesourcery.com> and others
939 * Makefile.in (ssa.o): New rule.
941 (STAGESTUFF): Add *.ssa and *.ussa.
942 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
943 * rtl.def (PHI): New RTL expression.
944 * rtl.h (clear_log_links): New declaration.
945 (convert_to_ssa): Likewise.
946 (convert_from_ssa): Likewise.
947 * flow.c (split_edge): If the entry node falls through to the
948 split edge's source block, split the entry edge.
949 (clear_log_links): New function.
950 * toplev.c (ssa_dump): New variable.
951 (flag_ssa): Likewise.
952 (f_options): Add "ssa".
953 (compile_file): Create SSA dump files.
954 (rest_of_compilation): Go to and from SSA if enabled.
955 (decide_d_option): Handle -de for SSA dump files.
958 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
960 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
963 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
965 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
967 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
969 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
970 (MD_STARTFILE_PREFIX_1): New macro.
972 2000-03-09 Robert Lipe <robertl@sco.com>
974 * config/ia64/ia64.c: Include system.h.
976 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
978 * except.c (nothrow_function_p): If -fno-exceptions, just return.
979 (init_eh_nesting_info): Likewise.
981 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
982 (TREE_NOTHROW): Rename from TREE_RAISES.
983 * toplev.c (rest_of_compilation): Set it.
984 * print-tree.c (print_node): Adjust.
985 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
986 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
987 * calls.c (emit_call_1): Add 'nothrow' parm. Add
988 REG_EH_REGION note as appropriate.
989 (libfunc_nothrow): New fn.
990 (emit_library_call, emit_library_call_value): Use it.
991 (expand_call): Check TREE_NOTHROW.
993 * varasm.c (make_decl_rtl): Skip initial '*' when setting
996 2000-03-09 Andreas Jaeger <aj@suse.de>
998 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
999 (TARGET_MEM_FUNCTIONS): Define.
1001 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
1003 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
1005 * except.c (can_throw): See through a SEQUENCE.
1006 (nothrow_function_p): New fn.
1007 * except.h: Declare it.
1008 * function.c (current_function_nothrow): New var.
1009 (prepare_function_start): Initialize it.
1010 * output.h: Declare it.
1011 * toplev.c (rest_of_compilation): Set it.
1012 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
1014 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
1016 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
1017 match. (cpp_compare_defs): Count the nul separator when
1018 advancing over argument names.
1020 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
1022 * recog.c (preprocess_constraints): Matching constraints affect
1023 same alternative/different operand, not same operand/different
1026 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
1027 register and a constant specially.
1029 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1031 * libgcc2.h: New file.
1032 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
1034 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
1036 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
1037 * configure: Regenerate.
1040 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
1042 * Makefile.in (LIBCPP_DEPS): New macro.
1043 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
1045 * cpperror.c: Include cpphash.h.
1046 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
1048 (lex): Don't use CPP_WARN_UNDEF.
1049 (_cpp_parse_expr): Return an int, the truth value.
1050 * cppfiles.c: Include cpphash.h.
1051 (_cpp_merge_include_chains): Move to cppinit.c and make static.
1052 * cppinit.c (include_defaults_array): Disentangle.
1053 (cpp_cleanup): Don't free the if stack here.
1054 (cpp_finish): Pop off all buffers, not just one.
1055 * cpplib.c (eval_if_expr): Return int.
1056 (do_xifdef): Rename do_ifdef.
1057 (handle_directive): Don't use CPP_PREPROCESSED.
1058 (cpp_get_token): Don't use CPP_C89.
1059 * fix-header.c: Don't use CPP_OPTIONS.
1061 * cpplib.h: Move U_CHAR, enum node_type, struct
1062 file_name_list, struct ihash, is_idchar, is_idstart,
1063 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
1064 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
1065 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
1066 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
1067 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
1068 of _cpp_simplify_pathname, _cpp_find_include_file,
1069 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
1070 Move struct if_stack to cpplib.c. Move struct cpp_pending to
1072 Change all uses of U_CHAR to be unsigned char instead.
1073 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
1075 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
1077 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
1078 (dwarf2out_begin_prologue): Set it.
1079 (output_call_frame_info): Don't emit EH unwind info for leaves.
1081 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
1082 can occur outside of an EH region.
1083 * except.c: Correct comments about rethrow behavior.
1084 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
1086 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
1088 * flow.c (make_edges): Always call make_eh_edge for calls.
1090 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
1092 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
1093 (struct cpp_buffer): Remove fname and underflow fields.
1094 (struct cpp_reader): Remove get_token field.
1095 (struct include_hash): Rename to struct ihash. Add typedef to
1097 (struct if_stack): Remove fname field.
1098 (IF_STACK_FRAME): Rename to IF_STACK.
1100 * cpperror.c (print_containing_files): Trust that there are no
1101 macro buffers below the top file buffer.
1102 * cppfiles.c: Replace all references to 'struct include_hash'
1103 with 'IHASH'. Rename initialize_input_buffer to
1104 init_input_buffer. Don't set or reference cpp_buffer->fname,
1105 use buffer->ihash->name instead.
1106 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
1107 not CPP_NULL_BUFFER.
1108 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
1109 IF_STACK_FRAME, IHASH not struct include_hash.
1110 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
1111 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
1112 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
1113 references to cpp_buffer->fname (delete entirely, or use
1114 ->ihash->name instead) and IF_STACK->fname.
1115 (cpp_push_buffer): Don't set new->underflow.
1116 (do_include): Use cpp_file_buffer.
1118 * cpphash.c (collect_formal_parameters): Remove duplicate
1119 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
1120 used as a macro argument name. Don't append "..." to namebuf
1121 for varargs macros. After we're done scanning, go through
1122 namebuf and make it NUL separated, not comma separated.
1123 (_cpp_compare_defs): Remove register tag from variables.
1124 Expect defn->argnames to be NUL separated.
1125 (_cpp_dump_definition): Expect defn->argnames to be NUL
1126 separated and in forward order.
1127 * cpphash.h: Update documentation of argnames field.
1129 2000-03-08 Richard Henderson <rth@cygnus.com>
1131 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
1132 to fail. Don't pre-expand the source operand.
1134 * i386.md (strlensi): Initialize eoschar and align before use.
1136 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
1138 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
1139 CONSTRUCTOR element.
1141 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
1143 * mips.c (mips_expand_prologue): If the last
1144 named argument is the vararg marker "va_list", treat it as
1145 an unnamed argument.
1147 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
1149 * dbxout.c (dbxout_parms): When correcting for promoted
1150 big-endian parameters, use the mode of the DECL_RTL rather
1151 than UNITS_PER_WORD.
1153 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
1155 * c-common.h (make_fname_decl): Declare.
1156 * c-common.c (make_fname_decl): Define.
1157 (declare_hidden_char_array): Remove.
1158 (declare_function_name): Use make_fname_decl.
1159 * c-decl.c (c_make_fname_decl): New function.
1160 (init_decl_processing): Set make_fname_decl.
1162 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
1164 * cccp.c (handle_directive): Initialize backslash_newlines_p.
1166 2000-03-07 Philipp Thomas <pthomas@suse.de>
1168 * po/POTFILES.in: Remove cppalloc.c from file list.
1170 2000-03-07 Steve Chamberlain <sac@pobox.com>
1172 * pj.c (pj_expand_prologue): current_function->args_info is
1173 now current_function_args_info.
1175 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
1176 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
1177 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
1179 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1181 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
1182 output as hexadecimal rather than the default octal.
1184 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
1186 * cpphash.c (special_symbol): Fix thinko in previous commit.
1188 2000-03-07 Neil Booth <NeilB@earthling.net>
1190 * cppexp.c (struct operation, left_shift, right_shift,
1191 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
1192 "int"s to "unsigned int"s.
1193 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
1195 * cpplib.h: Update for above.
1196 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
1197 returned from allocations.
1199 * cppinit.c (opt_comp, parse_options): New functions.
1200 (handle_option): Use parse_option to parse a single command
1201 line option, that possibly takes an argument.
1202 (cpp_handle_options): Sort the array of command line options on
1203 first invocation (non-ASCII hosts only).
1204 (print_help): Update.
1206 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
1208 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
1209 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
1211 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
1213 * cppinit.c (cpp_cleanup): Free imp->nshort also.
1215 * cpperror.c (cpp_print_containing_files,
1216 cpp_print_file_and_line, v_cpp_message): Rename to
1217 print_containing_files, print_file_and_line, and v_message.
1218 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
1219 to _cpp_parse_expr, parse_escape, and lex.
1220 (parse_charconst): Remove broken multibyte support.
1221 * cppfiles.c (include_hash): Make static.
1222 (cpp_included): New function.
1223 (merge_include_chains, find_include_file, finclude,
1224 simplify_pathname): Rename to _cpp_merge_include_chains,
1225 _cpp_find_include_file, _cpp_read_include_file, and
1226 _cpp_simplify_pathname.
1227 * cpphash.c (cpp_lookup, free_definition, delete_macro,
1228 cpp_install, create_definition, macroexpand, compare_defs,
1229 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
1230 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
1231 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
1232 * cppinit.c (cpp_handle_option): Rename to handle_option, make
1234 * cpplib.c: Remove extern prototype of cpp_parse_expr.
1236 * cpphash.h: Update prototypes.
1237 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
1239 2000-03-07 Andrew Haley <aph@cygnus.com>
1241 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
1242 PTRDIFF_TYPE should be based solely on Pmode.
1245 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1247 * rtl.h (rtunion_def): Constify member `rtstr'.
1248 (emit_line_note_after, emit_line_note, emit_line_note_force,
1249 emit_note, decode_asm_operands): Constify.
1251 * cse.c (canon_hash): Likewise.
1253 * dbxout.c (dbxout_block): Likewise.
1255 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
1256 v_warning_for_asm): Likewise.
1258 * dwarfout.c (function_start_label): Likewise.
1260 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
1261 emit_line_note_force): Likewise.
1263 * final.c (last_filename, asm_insn_count, final_scan_insn,
1264 output_source_line): Likewise.
1266 * function.h (struct emit_status): Likewise.
1268 * gcse.c (hash_expr_1): Likewise.
1270 * genattr.c (gen_attr, main): Likewise.
1272 * genattrtab.c (struct function_unit, current_alternative_string,
1273 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
1274 attr_numeral, check_attr_test, check_attr_value,
1275 convert_set_attr_alternative, convert_set_attr,
1276 compute_alternative_mask, simplify_by_exploding, gen_attr,
1277 gen_unit): Likewise.
1279 * genflags.c (gen_insn): Likewise.
1281 * gengenrtl.c (type_from_format): Likewise.
1283 * genopinit.c (gen_insn): Likewise.
1285 * genoutput.c (n_occurrences, process_template, process_template):
1288 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
1291 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
1294 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
1295 ggc_set_mark, ggc_get_size): Likewise.
1297 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
1299 * optabs.c (init_one_libfunc): Likewise.
1301 * output.h (assemble_start_function): Likewise.
1303 * recog.c (decode_asm_operands): Likewise.
1305 * toplev.c (rest_of_compilation): Likewise.
1307 * tree.h (emit_line_note_after, emit_line_note,
1308 emit_line_note_force): Likewise.
1310 * varasm.c (asm_output_bss, asm_output_aligned_bss,
1311 asm_emit_uninitialised, assemble_start_function,
1312 assemble_variable, const_hash, compare_constant_1,
1313 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
1315 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
1317 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
1319 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
1321 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
1323 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
1324 arm_dllimport_name_p): Likewise.
1326 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
1329 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
1331 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1333 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
1334 arm_mark_dllexport, arm_mark_dllimport,
1335 arm_pe_encode_section_info): Likewise.
1337 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
1338 ASM_FINISH_DECLARE_OBJECT): Likewise.
1340 * arm/thumb.c (thumb_function_prologue): Likewise.
1342 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
1344 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1346 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
1348 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
1350 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
1352 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1354 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
1355 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
1357 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
1359 * i386/i386.c (asm_output_function_prefix): Likewise.
1361 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
1363 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1365 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
1367 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
1368 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
1369 ASM_OUTPUT_SECTION_NAME): Likewise.
1371 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
1373 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
1375 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
1377 * m32r/m32r.c (m32r_encode_section_info): Likewise.
1379 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1381 * mcore/mcore.c (mcore_encode_section_info): Likewise.
1383 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1385 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1387 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1389 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
1391 * mips/mips.md (movdi, movsi): Likewise.
1393 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1395 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1397 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
1399 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
1400 ASM_OUTPUT_ASCII): Likewise.
1402 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
1403 output_mi_thunk, output_toc): Likewise.
1405 * rs6000/rs6000.md (movsi): Likewise.
1407 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
1409 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
1411 * v850/v850.c (print_operand, print_operand_address,
1412 v850_encode_data_area): Likewise.
1414 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
1416 * config/mips/mips.md (zero_extendsidi2): Always force operand
1417 one to memory for mips16.
1419 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1421 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
1422 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
1423 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
1424 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
1425 (min_precision): Result is unsigned.
1426 (add_double, neg_double, mul_double): Low word is unsigned.
1427 (lshift_double, rshift_double, lrotate_double): Likewise.
1428 (rrotate_double, div_and_round_double): Likewise.
1429 (tree_floor_log2, compare_tree_int): New functions.
1430 (preserve_rtl_expr_temps): New declaration.
1431 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
1432 (decl_attributes): Use tree_log2 to find alignment.
1433 Check for TREE_INT_CST_HIGH for format args.
1434 (min_precision): Now unsigned.
1435 Use tree_floor_log2.
1436 (truthvalue_conversion): Delete long-disabled code.
1437 * c-decl.c (finish_struct): Clean up tests on field width.
1438 (finish_function): Use compare_tree_int.
1439 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
1440 * c-typeck.c (comptypes): Use tree_int_cst_equal.
1441 (default_conversion, digest_init): Use compare_tree_int.
1442 (build_binary_op): Use integer_all_onesp and compare_tree_int.
1443 Fix type errors in forming masks.
1444 * calls.c (initialize_argument_information): Use compare_tree_int.
1445 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
1446 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
1447 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
1448 (store_field): Use compare_tree_int.
1449 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
1450 (expand_expr, case ARRAY_REF): Use compare_tree_int.
1451 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
1452 (do_store_flag): Use compare_tree_int.
1453 * fold-const.c (encode, decode): Low part is always unsigned.
1454 (force_fit_type, add_double, neg_double, mul_double): Likewise.
1455 (lshift_double, rshift_double, lrotate_double): Likewise.
1456 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
1457 (fold_convert): Use compare_tree_int.
1458 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
1459 (invert_truthvalue, case INTEGER_CST): Likewise.
1460 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
1461 * mkdeps.c (deps_dummy_targets): Make I unsigned.
1462 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
1463 (lshift_double, rshift_double, lrotate_double, rrotate_double):
1465 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
1466 (expand_end_case): Use compare_tree_int.
1467 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
1468 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
1469 (layout_decl): Likewise.
1470 (layout_record, layout_union): Make sizes unsigned.
1471 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
1472 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
1473 * tree.c (struct type_hash): hashcode is unsigned.
1474 (build_type_attribute_variant, type_hash_list): Likewise.
1475 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
1476 (attribute_hash_list, build_array_type, build_method_type): Likewise.
1477 (build_complex_type): Likewise.
1478 (real_value_from_int_cst): Remove unneeded casts.
1479 (integer_all_onesp): Add casts.
1480 (tree_floor_log2, compare_tree_int): New functions.
1481 (build_index_type): Use tree_int_cst_sgn.
1482 * varasm.c (assemble_variable): Use compare_tree_int.
1484 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
1486 * cpphash.c (collect_expansion): Also catch ## at start of macro.
1488 * varasm.c (make_decl_rtl): Don't add a number to members of
1490 (make_function_rtl): Likewise.
1492 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1494 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
1495 patch from 2000-01-28.
1497 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
1499 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
1500 filled with an insn from the jump target.
1502 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1504 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
1505 (c4x_external_ref): Likewise.
1506 * config/c4x/c4x.c (struct name_list): Likewise.
1508 1999-12-16 Ben Collins <bcollins@debian.org>
1510 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
1511 argument to genmultilib.
1512 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
1513 the contents into the multilib.h header.
1514 * gcc.c: Declare multilib_exclusions for the specs file.
1515 (set_multilib_dir): Use it.
1516 (print_multilib_info): Likewise.
1517 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
1518 to pass to genmultilib.
1520 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1522 * builtins.c (built_in_class_names, built_in_names): Constify a
1525 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
1527 (_mcleanup): Ensure value matches format specifier in sprintf.
1529 * cpphash.c (special_symbol): Don't needlessly cast away
1532 * cppinit.c (base_name): Delete unused prototype.
1534 * mkdeps.c (deps_init): Make definition K&R safe.
1536 * tree.h (built_in_class_names, built_in_names): Constify a
1539 2000-03-06 Jakub Jelinek <jakub@redhat.com>
1541 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
1542 floating point instructions for epilogue delay.
1544 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
1545 to gas if it supports .register pseudo.
1547 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
1548 LONG_DOUBLE_TYPE_SIZE if not defined.
1549 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
1550 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
1552 * gengenrtl.c: Likewise.
1553 * print-rtl.c: Likewise.
1555 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
1556 MASK_LONG_DOUBLE_128.
1557 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
1558 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
1559 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
1560 (SUBTARGET_SWITCHES): Define.
1561 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
1562 with -mlong-double-128.
1563 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
1564 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1565 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1566 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
1567 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
1568 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
1569 with -mlong-double-128.
1570 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
1571 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
1572 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
1573 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
1574 TARGET_LONG_DOUBLE_128): Define.
1575 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
1576 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
1577 long double on TARGET_ARCH64.
1579 2000-03-06 Mark Mitchell <mark@codesourcery.com>
1581 * function.c (free_temps_for_rtl_expr): Don't free slots
1582 that have been pushed into a higher level.
1585 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1587 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1589 * basic-block.h (ALLOCA_REG_SET): Remove.
1590 (INITIALIZE_REG_SET): New macro.
1591 * flow.c (update_life_info): Use it.
1592 (calculate_global_regs_live): Likewise.
1593 (propagate_block): Likewise.
1594 * global.c (build_insn_chain): Likewise.
1595 * haifa-sched.c (schedule_region): Likewise.
1597 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
1599 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
1600 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
1601 (DWARF_ARANGES_PAD_SIZE): New define.
1602 (output_aranges): Use it to pad the address range header.
1603 (DWARF_ROUND): Fix for non power of 2 rounding.
1605 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
1607 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
1609 2000-03-05 Mark Mitchell <mark@codesourcery.com>
1611 * tree.def (RTL_EXPR): Update documentation.
1612 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
1613 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
1614 * function.c (preserve_rtl_expr_temp): New function.
1615 (preserve_rtl_expr_temps): Likewise.
1616 (preserve_rtl_expr_result): Use it.
1619 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1621 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
1623 * regmove.c (copy_src_to_dest) Do not create src->dest move
1624 for unchanging destination.
1626 2000-03-04 Mark Mitchell <mark@codesourcery.com>
1628 * function.h (struct sequence_stack): Remove rtl_expr.
1629 (struct emit_staus): Likewise.
1630 (seq_rtl_expr): Remove.
1631 * tree.h (free_temps_for_rtl_expr): Don't declare.
1632 (start_sequence_for_rtl_expr): Likewise.
1633 * rtl.h (preserve_rtl_expr_result): Likewise.
1634 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
1635 (start_sequence_for_rtl_expr): Remove.
1636 (push_topmost_sequence): Don't save sequence_rtl_expr.
1637 (pop_topmost_sequence): Remove comment about not restoring it.
1638 (end_sequence): Don't set seq_rtl_expr.
1639 (init_emit): Don't initialize it.
1640 (mark_sequence_stack): Don't mark it.
1641 (mark_emit_status): Likewise.
1642 * except.c (protect_with_terminate): Use
1643 start_sequence_for_rtl_expr, not start_sequence.
1644 * expr.c (expand_expr, case RTL_EXPR): Don't call
1645 preserve_rtl_expr_result or free_temps_for_rtl_expr.
1646 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
1647 (preserve_rtl_expr_result): Remove.
1648 (free_temps_for_rtl_expr): Likewise.
1649 (pop_temp_slots): Likewise.
1650 (mark_temp_slot): Don't mark the rtl_expr.
1651 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
1652 start_sequence_for_rtl_expr.
1654 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
1656 * mkdeps.c, mkdeps.h: New files.
1657 * po/POTFILES.in: Add them.
1658 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
1659 (cpplib.o, cppinit.o): Depend on mkdeps.h.
1660 (mkdeps.o): New target.
1662 * cppfiles.c: Delete deps_output.
1663 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
1664 OBJECT_SUFFIX, and base_name.
1665 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
1667 (initialize_dependency_output): Use deps_init,
1668 deps_add_target, deps_calc_target, and deps_add_dep. Remove
1669 all the unnecessary string bashing.
1670 (cpp_finish): Use deps_write. Remove an unnecessary nesting
1672 * cpplib.c (do_include): Use deps_add_dep.
1673 * cpplib.h (struct cpp_reader): Replace deps_buffer,
1674 deps_allocated_size, deps_size, deps_column members with
1675 single pointer to a struct deps. Delete prototype of
1678 * cppinit.c: Fix thinko in previous patch.
1680 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1682 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
1683 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
1684 (mode_for_size_tree): New function.
1685 (layout_decl, layout_type): Call it and clean up BLKmode checks.
1686 * tree.h (mode_for_size_tree): New declaration.
1688 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
1690 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
1692 * stmt.c (is_body_block): Move...
1693 * dwarfout.c, dwarf2out.c: ...from here.
1694 * tree.h: Declare it.
1695 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
1696 * final.c (final_start_function): Do call remove_unnecessary_notes
1699 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1701 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
1703 * cpplib.h (_dollar_ok): New macro.
1704 (is_idchar, is_idstart): Use it.
1705 (IStable): Rename to _cpp_IStable. Declare it const if
1706 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
1707 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
1708 is_space): Update for renamed IStable.
1710 * cppinit.c: Delete all references to FAKE_CONST and CAT
1711 macros. Define init_IStable as empty macro if gcc >=2.7 or
1712 C99. Change TABLE() to ISTABLE and hardcode name of table.
1713 (cpp_start_read): Don't change the IStable based on
1716 * cpphash.c (unsafe_chars): Add pfile argument. All callers
1717 changed. Handle '$' for char1 correctly.
1718 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
1720 * cppexp.c (tokentab2): Make const.
1721 (cpp_lex): Make toktab const.
1722 * cppinit.c (include_defaults_array): Make const.
1723 (initialize_standard_includes): Make default_include const.
1725 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1727 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
1728 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
1729 (gen_decl_die): Likewise.
1730 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
1731 (output_decl): Likewise.
1733 * varasm.c (make_function_rtl): If we change the name used in the
1734 rtl, update DECL_ASSEMBLER_NAME accordingly.
1735 (make_decl_rtl): Likewise.
1737 * toplev.c (rest_of_compilation): Tweak formatting.
1739 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
1740 remove_unnecessary_notes.
1741 (debug_ignore_block): New fn.
1742 * toplev.h: Declare it.
1743 * emit-rtl.c (remove_unncessary_notes): Call it.
1744 * dwarf2out.c (dwarf2out_ignore_block): New fn.
1745 * dwarf2out.h: Declare it.
1746 * final.c (final_start_function): Don't call remove_unnecessary_notes
1747 if we did insn scheduling.
1749 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
1751 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
1752 * cpplib.h: Delete SET_CPP_PEDANTIC.
1754 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1756 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
1757 result is a RECORD_TYPE.
1759 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
1761 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
1763 2000-03-03 Richard Henderson <rth@cygnus.com>
1765 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
1766 addition over compliments over shifts.
1768 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1770 * reload1.c (reload_combine_note_use): Handle return register USEs.
1771 REG case: Handle multi-hard-register hard regs.
1773 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1775 * md.texi: Document use of '*' in insn pattern name.
1777 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
1779 * calls.c (special_function_p): operator new may not be malloc-like.
1781 * gcse.c (dump_hash_table): Really fix error in last change.
1783 2000-03-02 Denis Chertykov <denisc@overta.ru>
1785 * avr.c (print_operand): Use print_operand_address instead of
1787 * avr/libgcc.S: Cleanup code.
1789 2000-03-02 Richard Henderson <rth@cygnus.com>
1791 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
1793 2000-03-02 Mark Mitchell <mark@codesourcery.com>
1795 * tree.h (TYPE_ALIGN_UNIT): New macro.
1797 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
1799 * i386.c: (constant_call_address_operand): Reject CONST_INT.
1801 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
1803 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
1805 (SET_CPP_PEDANTIC): New macro.
1806 * cpplib.c (do_include): Don't bother checking system_header_p.
1807 (do_warning, do_ident, do_assert, do_unassert): Likewise.
1808 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
1810 * function.h (struct expr_status): Add x_arg_space_so_far.
1811 (arg_space_so_far): New macro.
1812 * expr.c (init_expr): Initialize it.
1813 * calls.c (emit_call_1): Reset it.
1814 (compute_argument_block_size, expand_call): Use it.
1815 (expand_call, store_one_arg): Increment it.
1817 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1819 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
1822 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
1824 * cppfiles.c (cpp_read_file): New function.
1826 * cpphash.c (collect_expansion): Make sure to reset last_token
1827 to NORM when we hit a string. Handle trailing whitespace
1828 properly when the expansion is empty.
1829 (create_definition): Disable line commands while parsing the
1831 (dump_definition): If pfile->lineno == 0, output a line
1832 command ahead of the dump, and add a trailing newline.
1834 * cppinit.c (append_include_chain): Add fifth argument, which
1835 indicates whether or not system headers are C++ aware.
1836 (initialize_standard_includes): New function,
1837 broken out of read_and_prescan. Pass 'cxx_aware' value from
1838 the include_defaults_array on to append_include_chain.
1839 (dump_special_to_buffer): Const-ify char array.
1840 (builtin_array): Don't dump __BASE_FILE__.
1841 (cpp_start_read): Use cpp_read_file. Reorder code for
1842 clarity. Don't output line commands here for -D/-A/-U
1843 switches. Don't call deps_output for files included with
1844 -include or -imacros.
1846 * cpplib.c (do_define): Don't pay any attention to the second
1848 (cpp_expand_to_buffer): Disable line commands while scanning.
1849 (output_line_command): Work in the file buffer.
1850 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
1851 Fix formatting of comments. Prototype cpp_read_file.
1853 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1855 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
1856 reference the language-equivalent of sizetype.
1857 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
1858 * fold-const.c (size_binop, size_diffop): Put back checks.
1859 * gcse.c (dump_hash_table): Fix minor error in last change.
1860 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
1861 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
1864 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
1866 * calls.c (expand_call) Do not attempt to combine stack adjustments
1867 with inhibit_defer_pop set.
1869 2000-03-01 Mark Mitchell <mark@codesourcery.com>
1871 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
1872 the DECL_SIZE for a FIELD_DECL.
1874 2000-03-01 Bruce Korb <bkorb@gnu.org>
1876 * fixinc/inclhack.tpl: remove unused symlinks
1877 * fixinc/README: GCC Maintainer info
1878 * fixinc/inclhack.sh: regen
1879 * fixinc/fixincl.sh: regen
1881 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
1883 * cpphash.c (collect_expansion): Trim trailing white space
1884 from macro definitions, but don't go past the last insertion
1887 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
1889 * i386.md (mulqi3): New pattern.
1891 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
1893 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
1895 (struct cpp_reader): Add parsing_if_directive and
1896 parsing_define_directive flags.
1897 (struct cpp_options): Remove output_conditionals flag.
1898 (check_macro_name): Delete prototype.
1900 * cpphash.h (struct macrodef): Delete.
1901 (struct reflist): Separate from struct definition.
1902 (struct definition): Remove unused fields. Add column number.
1903 (create_definition): Returns a DEFINITION *. Takes a
1904 cpp_reader * and an int.
1906 * cpphash.c (SKIP_WHITE_SPACE): Delete.
1907 (PEEKC): Copy defn from cpplib.c.
1908 (rest_extension, REST_EXTENSION_LENGTH): Delete.
1910 (struct arglist): Simplify.
1911 (collect_expansion): Rewrite. Get tokens by calling
1912 cpp_get_token. Add more error checking.
1913 (collect_formal_parameters): New function, broken out of
1914 create_definition and reworked to use get_directive_token.
1915 (create_definition): All real work is now in collect_expansion
1916 and collect_formal_parameters. do_define handles finding the
1917 macro name. Return a DEFINITION, not a MACRODEF.
1918 (macroexpand): Replace bcopy with memcpy throughout. Replace
1919 character-at-a-time copy loop with memcpy and pointer increments.
1920 (compare-defs): d1->argnames / d2->argnames might be null.
1922 * cpplib.c (copy_rest_of_line): Delete function.
1923 (skip_rest_of_line): Do all the work ourselves.
1924 (skip_string): New function.
1925 (parse_string): Use skip_string.
1926 (get_macro_name): New function.
1927 (check_macro_name): Delete.
1928 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
1929 (cpp_skip_hspace): Use CPP_BUMP_LINE.
1930 (handle_directive): ICE if we're called on a macro buffer.
1931 (do_define): Determine macro name and type (funlike/objlike)
1932 here. Expunge all uses of MACRODEF.
1933 (cpp_push_buffer): Set line_base to NULL.
1934 (do_undef, read_line_number): Don't worry about getting a POP token.
1935 (eval_if_expression): Set/reset parsing_if_directive around
1936 cpp_parse_expr. Don't clear only_seen_white.
1937 (skip_if_group): Remove output_conditionals logic. Use
1939 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
1940 tokens under appropriate conditions.
1941 (cpp_unassert): Call do_unassert not do_assert. Oops.
1943 * cppexp.c (parse_defined): New function, break out of
1945 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
1946 ourselves, with cpp_defined.
1947 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
1949 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
1950 * gcc.dg/strpaste-2.c: New.
1952 2000-02-29 Mark Mitchell <mark@codesourcery.com>
1954 * fold-const.c (size_binop): Don't asert inputs are the same and
1955 have TYPE_IS_SIZETYPE set.
1956 (size_diffop): Likewise.
1958 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
1960 * dwarfout.c (output_block): Output abstract blocks even if they
1961 don't have TREE_ASM_WRITTEN set.
1963 * calls.c (emit_library_call): Check for null REG.
1965 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
1967 * c-decl.c (current_function_decl): Move to toplev.c.
1968 (init_decl_processing): Don't add current_function_decl as a ggc
1970 * dbxout.c (dbxout_symbol): Change return type to int.
1971 (dbxout_symbol_location, dbxout_syms): Likewise.
1972 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
1973 any locals. Use current_function_func_begin_label if set.
1974 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
1975 * dwarf2out.c (dwarf2out_begin_prologue): Set
1976 current_function_func_begin_label.
1977 * final.c (final_start_function): Reset it.
1978 * toplev.c (current_function_decl): Define it here.
1979 (current_function_func_begin_label): New variable.
1980 (main): Add both as ggc roots.
1981 * tree.h (current_function_func_begin_label): Declare.
1983 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1985 * gcse.c: Cleanups throughout: mostly white-space, but also
1986 some minor rearrangement of code.
1988 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
1990 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
1991 returns a PARALLEL. Use emit_group_load and use_group_regs
1993 (emit_library_call_value): Similarly.
1995 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
1996 * pa/quadlib.asm: Remove.
1997 * pa/quadlib.c: New file.
1999 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
2000 * configure: Rebuilt.
2002 2000-02-29 Philip Blundell <pb@futuretv.com>
2004 * config/arm/conix-elf.h: New file.
2005 * configure.in (arm*-*-conix*): New configuration.
2006 * configure: Regenerate.
2008 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
2010 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
2011 don't have TREE_ASM_WRITTEN set.
2013 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2015 * Eliminate DECL_FIELD_SIZE.
2016 * builtins.c (built_in_class_names, built_in_names): New variables.
2017 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
2018 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
2019 DECL_SIZE, not DECL_FIELD_SIZE.
2020 * print-tree.c (print_node): Remove code that prints extra blank
2021 lines in some cases.
2022 Properly handle inline and builtin function cases.
2023 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
2024 * tree.h (built_in_class_named, built_in_names): New declarations.
2025 (union tree_decl): Rename internal unions to u1 and u2 and change
2026 some of their components.
2027 Add new field built_in_class.
2028 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
2029 Reflect above changes.
2030 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
2031 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
2032 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
2033 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
2035 2000-02-28 Dmitri Makarov <dim@windriver.com>
2037 * extend.texi: Document ARM's support for long/short calls.
2039 * invoke.texi: Document ARM's -mlong-calls command line switch.
2041 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
2042 (arm_encode_call_attribute): Add prototype.
2043 (arm_set_default_type_attribute): Add prototype.
2044 (arm_strip_name_encoding): Add prototype.
2046 * config/arm/arm.c (arm_init_cumulative_args): replace
2047 initialisation og 'long_calls' field with initialisation of
2048 'call_cookie' field.
2049 (enum arm_pragma_enum): New enum.
2050 (arm_pragma_long_calls): New static variable.
2051 (arm_process_pragma): Also process "#pragma long_calls_off".
2052 (arm_valid_type_attribute_p): Accept short_call attribute.
2053 (arm_comp_type_attributes): Check long/short call attributes.
2054 (arm_encode_call_attribute): New function: Encode long_call
2055 or short_call attribute in function name.
2056 (arm_set_default_type_attributes): New function: Assign
2057 default attributes to newly defined type.
2058 (current_file_function_operand): New function: Return true if
2059 the symbol is a function which has already been compiled.
2060 (arm_is_longcall_p): New function: Return true if the
2061 indicated function should be called via a long call.
2062 (arm_get_strip_length): New function. Returns number of
2063 prefix characters to be stripped from a function's name.
2064 (arm_strip_name_encoding): New function. Strip prefix characters
2065 from a function's name.
2067 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
2069 (SHORT_CALL_FAG_CHAR): Define.
2070 (LONG_CALL_FAG_CHAR): Define.
2071 (ENCODED_SHORT_CALL_ATTR_P): Define.
2072 (ENCODED_LONG_CALL_ATTR_P): Define.
2073 (ARM_NAME_ENCODING_LENGTHS): Define.
2074 (STRIP_NAME_ENCODING): Define.
2075 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
2076 (ARM_ENCODE_CALL_TYPE): Define.
2077 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
2078 (ARM_DECLARE_FUNCTION_SIZE): Define.
2079 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
2081 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
2082 if a long call is needed.
2083 (call_value): Ditto.
2084 (call_symbol): Ditto.
2086 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
2087 ARM_DECLARE_FUNCTION_SIZE.
2089 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
2090 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
2091 (ARM_STRIP_NAME_ENCODING): Undefine.
2092 (STRIP_NAME_ENCODING): Undefine.
2093 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
2094 (ASM_DECLARE_FUNCTION_NAME): Ditto.
2095 (ASM_OUTPUT_COMMON): Ditto.
2096 (ASM_DECLARE_OBJECT_NAME): Ditto.
2098 * config/arm/pe.c (arm_dllexport_name_p): Check for
2100 (arm_dllimport_name_p): Ditto.
2101 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
2102 (arm_mark_dllimport): Ditto.
2104 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2106 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
2108 2000-02-28 Mark Mitchell <mark@codesourcery.com>
2110 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
2112 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
2114 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
2115 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
2116 NO_BUILTIN_WCHAR_TYPE is not defined.
2117 (CPP_WCHAR_TYPE): Delete.
2118 * cccp.c (main): Don't change wchar_type if cplusplus.
2119 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
2121 2000-02-28 Nick Clifton <nickc@cygnus.com>
2123 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
2125 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
2127 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
2128 (ASM_WEAKEN_LABEL): Define.
2130 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
2132 * expr.c (store_constructor): Do not emit USE.
2133 * rtl.h (stupid_life_analysis): Remove.
2135 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2137 * function.c (number_blocks): Reset next_block_index based on
2138 what debugging format is used, not what is defined.
2140 * lcm.c: Minor reformatting throughout.
2141 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
2143 * toplev.c (rest_of_compilation): Account for time in
2144 optimize_mode_switching.
2146 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
2147 if only marking labels.
2149 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
2151 * calls.c (expand_call): Attempt to combine stack adjustments with
2152 pending stack adjustments.
2154 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2156 * loop.c (reg_in_basic_block_p): Don't abort when falling through
2157 to the end of the function.
2159 2000-02-27 Mark Mitchell <mark@codesourcery.com>
2161 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
2163 * final.c (next_block_index): Remove.
2164 (max_block_depth): Likewise.
2165 (pending_blocks): Likewise.
2166 (init_final): Don't initialize them.
2167 (final_start_function): Don't set next_block_index. Set up
2169 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
2170 * function.h (number_blocks): New function.
2171 * function.c (get_block_vector): New function.
2172 (identify_blocks): Use it.
2173 (reorder_blocks): Set NOTE_BLOCK.
2174 (number_blocks): New function.
2175 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
2176 * tree.h (BLOCK_NUMBER): New macro.
2177 (tree_block): Add block_num field.
2178 * dbxout.c (next_block_number): Remove.
2179 (dbxout_init): Don't set it.
2180 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
2181 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
2183 * toplev.c (rest_of_compilation): Always call
2184 find_loop_tree_blocks. Fix indentation.
2185 * dwarf2out.c (next_block_number): Remove.
2186 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
2187 to determine block numbers.
2188 (gen_inlined_subroutine_die): Likewise.
2189 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
2190 (decls_for_scope): Don't increment next_block_number.
2191 * dwarfout.c (next_block_number): Remove.
2192 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
2193 to determine block numbers.
2194 (output_inlined_subroutine_die): Likewise.
2195 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
2196 (output_decls_for_scope): Don't increment next_block_number.
2197 * sdbout.c (next_block_number): Remove.
2198 (sdbout_block): Use BLOCK_NUMBER.
2199 (sdbout_begin_block): Simplify.
2200 * xcoffout.c (next_block_number): Remove.
2201 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
2202 (xcoffout_begin_block): Don't set next_block_number.
2203 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
2206 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2208 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
2209 (expand_builtin_strcpy): Pass correct type to size_binop.
2210 (expand_builtin_strcmp): Likewise.
2211 Clean up conditional structure.
2212 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
2213 (complete_array_type): Don't use size_binop for MAXINDEX.
2214 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
2215 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
2216 (c_alignof): Use size_one_node.
2217 (build_unary_op): Pass arg of proper type to size_binop.
2218 (really_start_incremental_init, push_init_level): Use sizetype for
2219 constructor{,_bit,_unfilled}_index.
2220 (pop_init_label, output_init_element): Likewise.
2221 (output_pending_init_elements, process_init_element): Likewise.
2222 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
2223 * expr.c (store_expr): Use size_int.
2224 (store_constructor): Use proper types for size_binop args.
2225 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
2226 (expand_expr_unaligned): Likewise.
2227 (string_contant): Return object of sizetype.
2228 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
2229 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
2230 (ARGS_SIZE_TREE): Pass proper types to size_binop.
2231 * fold-const.c (int_const_binop): Refine when size_int is called.
2232 (fold_convert): Likewise.
2233 (size_int_wide): Rework to take KIND as arg, only take low order
2234 bits, handle new sizetype_tab datatype, and chain entries in
2236 (size_int_type_wide): New function.
2237 (size_binop): Validate types of arguments.
2238 (ssize_binop): Deleted.
2239 (size_diffop): New function.
2240 (extract_muldiv): Only fold division into multiplication for sizetypes.
2241 * function.c (assign_parms): Use size_diffop and make sure
2242 VAR field is of ssizetype; also pass proper type to size_binop.
2243 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
2244 (round_down): Deleted from here.
2245 * store-layout.c (sizetype_tab): Now an array.
2246 (sizetype_set, early_root_list): New variables.
2247 (variable_size): Use size_one_node.
2248 (round_up): Pass proper type to size_binop.
2249 (round_down): Moved to here and corrected as above.
2250 (layout_record): Pass proper arg types to size_binop.
2251 (layout_type): Likewise.
2252 If sizetype_set is zero, record the type just laid out.
2253 (make_unsigned_type): Don't call set_sizetype;
2254 (make_signed_type): Likewise; also, call fixup_signed_type.
2255 (initialize_sizetypes): New function.
2256 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
2257 set name of bitsizetype to "bit_size_type".
2258 Fix up type of sizes of all types made before call.
2259 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
2260 * tree.c (fix_sizetype): Deleted.
2261 (build_common_tree_nodes): Call initialize_sizetypes.
2262 (build_common_tree_nodes_2): Don't call fix_sizetype.
2263 * tree.h (TYPE_IS_SIZETYPE): New macro.
2264 (initialize_sizetype): New declaration.
2265 (enum size_type_kind): New type.
2266 (struct sizetype_tab): Deleted.
2267 (sizetype_tab): Now array; adjust sizetype macros.
2268 (size_diffop, size_int_type_wide): New functions.
2269 (size_int_wide): Change number of args and type; access macros changed.
2270 (ssize_int, sbitsize_int): New macros.
2271 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
2272 (ROUND_TYPE_SIZE_UNIT): New macro.
2274 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
2276 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
2278 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2280 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
2281 Mark as possibly unused.
2283 * cse.c (cse_insn): Delete dead code involving tablejump.
2284 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
2286 * Makefile.in (libcpp.a): Start by deleting it.
2288 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2290 * cpplib.h (enum file_change_code): Added rename_file.
2291 * cpplib.c (do_line): If a filename is given, set file_change to
2293 (output_line_command): If file_change is rename_file, always
2294 output a # directive with the file name.
2296 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
2298 2000-02-26 Mark Mitchell <mark@codesourcery.com>
2300 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
2301 when copying a PARM_DECL or RESULT_DECL.
2303 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2305 * fix-header.c (recognized_function): Also fix prototypes for
2306 functions taking "void".
2308 2000-02-26 Geoff Keating <geoffk@cygnus.com>
2310 * reload1.c (do_output_reload): Check reg_reloaded_valid before
2311 looking at reg_reloaded_contents.
2313 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
2315 * Makefile.in (STMP_FIXINC): New toggle.
2316 (LIBGCC2_DEPS): Delete all references.
2317 (stmp-headers): Delete target. All references either deleted
2318 or changed to stmp-int-headers.
2319 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
2320 (LIBCPP_OBJS): Take out cppalloc.o.
2321 (cppalloc.o): Delete target.
2322 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
2323 (gen-protos, fix-header): Link with libiberty.a.
2324 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
2327 * configure.in: Remove refs to strerror.
2328 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
2329 * system.h: Take out strerror stanza.
2331 * cpperror.c (my_strerror): Delete function.
2332 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
2333 * cppmain.c (main): Call xmalloc_set_program_name first thing.
2334 * cppalloc.c: Delete file.
2335 * gen-protos.c: Don't provide xrealloc.
2337 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
2338 xstrerror throughout.
2340 2000-02-26 Bruce Korb <bkorb@gnu.org>
2342 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
2343 match for DOS headers, too.
2344 * fixinc/inclhack.sh,fixincl.x: Regenerate.
2346 2000-02-26 Geoff Keating <geoffk@cygnus.com>
2348 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
2349 is right for most ELF targets.
2350 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
2351 Let the default file use %U properly.
2352 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
2355 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
2358 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2360 * toplev.c (documented_lang_options): Correct spelling error.
2361 (decode_d_option, decode_f_option, main): Likewise.
2363 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
2365 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
2366 to tell assembler it is permitted to expand large constants.
2368 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
2370 * protoize.c: (AUX_INFO_SUFFIX): New macro.
2371 (aux_info_suffix): Use.
2372 (SAVE_SUFFIX): New macro.
2374 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
2375 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
2376 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
2378 * invoke.texi (Running Protoize): Update documentation.
2380 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
2382 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
2384 2000-02-25 John Wehle (john@feith.com)
2386 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
2388 2000-02-25 Anthony Green <green@cygnus.com>
2390 * toplev.c (rest_of_compilation): Rebuild jump labels if
2391 combine_instructions has created a new direct jump.
2392 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
2394 (combine_instructions): Call try_combine with new argument.
2395 Return non-null value when new direct jump instruction is created.
2396 * rtl.h: combine_instructions returns an int.
2398 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
2400 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
2401 jump when changing a computed jump into a jump to a known
2404 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
2406 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
2407 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
2409 * i386.md (define_expand "clrstrsi"): Fix typo.
2411 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
2413 * rtl.texi: Fix typo.
2415 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2417 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
2418 UNITS_PER_WORD. Change caller initial_elimination_offset.
2419 (rounded_frame_size): Take into account that argument pushed has
2420 changed. Fix TARGET_ALIGN_DOUBLE problem.
2422 2000-02-25 Geoff Keating <geoffk@cygnus.com>
2424 * haifa-sched.c (schedule_block): Explain the real reason
2425 we delete REG_SAVE_NOTEs on the first insn of a block.
2426 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
2428 2000-02-24 Mark Mitchell <mark@codesourcery.com>
2430 * input.h (push_srcloc): New function.
2431 (pop_srcloc): Likewise.
2432 * toplev.c (push_srcloc): Define it.
2433 (pop_srcloc): Likewise.
2435 2000-02-24 Richard Henderson <rth@cygnus.com>
2437 * flow.c (life_analysis): When collecting reg info, clear
2440 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2442 Fix bug exposed by reload.c no longer rounding the frame
2443 size to BIGGEST_ALIGNMENT:
2444 * sh.c (rounded_frame_size): New function.
2445 (sh_expand_prologue, sh_expand_epilogue): Use it.
2446 (initial_elimination_offset): Likewise.
2448 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2450 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
2451 * sh-protos.h (sh_need_epilogue): Declare.
2452 * sh.c (sh_need_epilogue_known): New static variable.
2453 (sh_need_epilogue): New function.
2454 (function_epilogue): Clear need_epilogue_known.
2455 * sh.md (return): Split into expander / insn pattern.
2456 Make the expander conditional on ! sh_need_epilogue ().
2458 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
2460 * machmode.h (get_mode_alignment): Declare.
2461 (GET_MODE_ALIGNMENT): Call it.
2462 * stor-layout.c (get_mode_alignment): New function. Make
2463 sure alignment is always power of 2.
2465 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2467 * i386.h: Remove useless definition of "I386" and misleading
2470 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2472 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
2473 under which TREE_PERMANENT will be set.
2474 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
2475 build1): Use TREE_SET_PERMANENT.
2476 * print-tree.c (print_node): Don't report value of
2477 TREE_PERMANENT if ggc_p is true.
2479 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
2480 decide whether to give a type a new alias set.
2481 * objc/objc-act.c (build_objc_string_object): Never copy the string.
2482 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
2483 of value of 'obstack'.
2486 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2488 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
2490 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2492 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
2493 * cpplib.c (cpp_get_token): Produce them.
2494 * cppexp.c (cpp_lex): Handle them.
2496 2000-02-23 Nick Clifton <nickc@cygnus.com>
2498 * config/arm/arm.c (arm_comp_type_attributes): Simply and
2499 comment tests on type attributes.
2501 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2503 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
2504 conform to documentation.
2505 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
2506 to check for special cases.
2507 * sh-protos.h (sh_loop_align): Declare.
2508 * sh.c (sh_loop_align): Define.
2510 2000-02-22 Andrew Haley <aph@cygnus.com>
2512 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
2513 (SIZE_TYPE): Is 32 bits when using -mgp32.
2514 (PTRDIFF_TYPE): Ditto.
2516 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2518 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
2520 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
2522 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
2523 BIGGEST_FIELD_ALIGNMENT a constant.
2525 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
2527 * dwarf2out.c (output_line_info): Put the marker for the end of
2528 the line number info at the actual end.
2529 (gen_struct_or_union_type_die): Use decl_function_context
2530 to check for local classes.
2531 * dwarfout.c (output_type): Likewise.
2533 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
2535 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
2536 for arguments with a mode, but no type.
2537 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
2538 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
2539 * pa/long_double.h: New file.
2540 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
2541 both have 128bit wide long doubles.
2542 * configure: Rebuilt.
2544 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2546 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
2548 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
2549 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
2550 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
2552 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
2554 * integrate.c (compare_blocks, find_block): Likewise.
2556 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
2558 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
2560 * stmt.c (stmt_status, set_file_and_line_for_stmt,
2561 expand_asm_operands): Likewise.
2563 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
2565 * predict.c (estimate_probability): Added the pointer heuristic to
2566 the collection of static branch predictors.
2568 2000-02-21 Catherine Moore <clm@cygnus.com>
2570 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
2571 * invoke.texi (-mfix7000): Document.
2573 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
2575 * diagnostic.c (init_output_buffer): Make it possible to output at
2576 least 32 characters if we're given a too long prefix.
2578 2000-02-20 Mark Mitchell <mark@codesourcery.com>
2580 * varasm.c (initializer_constant_valid_p): Call
2581 lang_expand_constant to simplify the constant.
2583 2000-02-20 Bruce Korb <bkorb@gnu.org>
2585 * fixinc/inclhack.def(stdio_va_list):
2586 typedef needs to be disabled.
2587 * fixinc/inclhack.sh: regen
2588 * fixinc/fixincl.x: regen
2590 2000-02-20 Geoff Keating <geoffk@cygnus.com>
2592 * print-rtl.c (print_rtx): Don't print addresses when
2593 flag_dump_unnumbered.
2595 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2597 * sparc.c (sparc_output_scratch_registers): Mark parameter with
2599 (sparc_va_arg, sparc_flat_output_function_prologue,
2600 sparc_flat_output_function_epilogue): Cast value to unsigned in
2602 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
2604 * sparc.md: Add default case in switch.
2606 2000-02-19 Richard Henderson <rth@cygnus.com>
2608 * c-typeck.c (add_pending_init): Don't abort for multiple
2609 fields at the same offset.
2610 (pending_init_member): Test the correct member.
2612 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2614 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
2616 (start_catch_handler) : Same.
2618 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
2620 * Makefile.in: Have flow.o depend on $(EXPR_H)
2622 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2624 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
2625 * c-decl.c (duplicate_decls, finish_enum): Likewise.
2626 (finish_decl): Remove -Wlarger-than code from here.
2627 * flags.h (id_clash_len): Now int.
2628 (larger_than_size): Now HOST_WIDE_INT.
2629 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
2630 Clean up checking to see if in table.
2631 (make_bit_field_ref): Remove extra parm to bitsize_int.
2632 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
2633 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
2634 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
2635 and for computing size of decl.
2636 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
2637 Move -Wlarger-than code to here.
2638 (layout_record): Remove extra arg to bitsize_int.
2639 Set TYPE_BINFO_SIZE_UNIT.
2640 (layout_union): Remove extra arg to bitsize_int.
2641 Use proper type for size of QUAL_UNION.
2642 (layout_type): Remove extra arg to bitsize_int.
2643 * toplev.c (id_clash_len): Now int.
2644 (larger_than_size): Now HOST_WIDE_INT.
2645 (decode_W_option): Clean up id-clash and larger-than- cases.
2646 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
2647 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
2648 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
2649 (struct tree_decl): New field size_unit.
2650 (size_int_wide): No HIGH operand; NUMBER is now signed.
2651 (size_int_2): Deleted.
2652 (size_int, bitsize_int): Don't use it and rework args.
2653 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
2655 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
2657 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
2659 2000-02-18 Geoff Keating <geoffk@cygnus.com>
2661 * invoke.texi (Warning Options): Add an explanation of why
2662 you might want the -Wfloat-equal flag.
2664 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2666 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
2667 * cppinit.c (new_pending_define): Add cast to avoid warning.
2668 * expmed.c (extract_bit_field): Likewise.
2669 * flow.c (enum reorder_skip_type): New type.
2670 (skip_insns_between_blcok): New it.
2671 Rework to avoid warning about possibly undefined variable.
2672 * function.c (assign_parms): Make thisparm_boundary unsigned.
2673 * genrecog.c (write_switch): Cast XWINT result to int.
2674 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
2675 * mips-tfile.c (init_file): Make two versions of FDR intializer:
2676 one for MIPS and one for Alpha.
2677 (get_tag, copy_object): Add casts to avoid warnings.
2678 * optabs.c (init_one_libfunc): Cast NAME to (char *).
2679 * reload.c (find_reloads): Make TYPE enum reload_type.
2680 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
2681 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
2682 * varasm.c (compare_constant_1): Add cast to avoid warning.
2683 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
2685 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
2686 Cast switch operand of size to int.
2687 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
2688 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
2691 2000-02-18 Nick Clifton <nickc@cygnus.com>
2693 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
2694 anything for an alignment of zero.
2696 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
2697 anything for an alignment of zero.
2699 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
2701 * gcc.texi (Bug Reporting): Refer to bugs.html.
2702 (Bug Lists): Likewise.
2703 * system.h (GCCBUGURL): New preprocessor define.
2704 * rtl.c (fancy_abort): Use it.
2705 * gcc.c (main): Likewise.
2707 2000-02-18 Richard Henderson <rth@cygnus.com>
2709 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
2710 (life_analysis_1): Subsume into ...
2711 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
2712 Use update_life_info for the relaxation.
2713 (update_life_info): Update REG_BASIC_BLOCK for registers live on
2714 entry and regs_live_at_setjmp.
2715 (set_noop_p): Simplify.
2716 (notice_stack_pointer_modification_1): Renamed from s/_1//.
2717 (record_volatile_insns): Split into ...
2718 (delete_noop_moves): ... here,
2719 (notice_stack_pointer_modification): ... here,
2720 (insn_dead_p): ... and here.
2721 (propagate_block): Don't query INSN_VOLATILE.
2722 (mark_used_regs): Mind !PROP_REG_INFO.
2723 * toplev.c (rest_of_compilation): Call mark_constant_function here,
2724 not in life_analysis.
2726 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
2728 * loop.c (canonicalize_condition): New function,
2729 broken out of get_condition.
2730 (get_condition): Use it.
2731 * expr.h (canonicalize_condition): Prototype it.
2733 * tree.h (tree_int_cst_msb): Declare.
2734 * tree.c (tree_int_cst_msb): New function.
2736 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2738 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
2741 * invoke.texi (-fmessage-length=n): Document.
2743 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
2745 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
2747 2000-02-17 Mark Mitchell <mark@codesourcery.com>
2749 * function.c (thread_prologue_and_epilogue_insns): Put a line note
2752 2000-02-17 Nick Clifton <nickc@cygnus.com>
2754 * config/arm/thumb.c: Replace includes of system headers with
2755 #include "system.h".
2757 2000-02-16 Richard Henderson <rth@cygnus.com>
2759 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
2760 Add crtbeginS.o and crtendS.o.
2761 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
2762 (ENDFILE_SPEC): Use crtendS.o.
2763 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
2765 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
2766 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
2768 (__dso_handle): New variable.
2769 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
2770 bias to __CTOR_END__.
2772 2000-02-16 Richard Henderson <rth@cygnus.com>
2774 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
2776 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
2778 * longlong.h (__clz_tab): Declare as static to match definition.
2780 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
2781 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
2782 (XREF_FILE_NAME): Define.
2784 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
2785 (EH_FRAME_SECTION_ASM_OP): Define.
2786 (IDENT_ASM_OP): Define.
2787 (TEXT_SECTION_ASM_OP): Define.
2789 (CTORS_SECTION_ASM_OP): Define.
2790 (CTOR_SECTION_FUNCTION): Use it.
2791 (DTORS_SECTION_ASM_OP): Define.
2792 (DTOR_SECTION_FUNCTION): Use it.
2794 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
2796 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
2799 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
2800 debug_bb_n): New functions.
2801 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
2802 * basic-block.h: Prototype new functions.
2804 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
2806 * configure.in: Add support for avr target.
2807 * configure: Rebuilt.
2809 * invoke.texi: Add AVR invocation docs.
2810 * install.texi: Add information about AVR.
2811 * md.texi: Add AVR constraint letters description.
2812 * extend.texi: Add description for AVR specific attributes.
2814 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
2816 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
2818 2000-02-16 Nick Clifton <nickc@cygnus.com>
2820 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
2821 (make_insn_raw): Move RTL check here.
2823 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2825 * version.c: Include gansidecl.h and version.h.
2827 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
2829 * configure.in (gcc_version): When setting, narrow search to
2830 lines containing `version_string'.
2832 * Makefile.in (mainversion): Likewise.
2833 (GCC_H): New variable.
2834 (gcc.h): Delete target.
2835 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
2836 (version.o): Depend on version.h.
2837 (dbxout.o): Don't depend on gcc.h.
2839 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
2840 Michael Meissner <meissner@cygnus.com>
2842 * md.texi (Simple Constraints): Add item about whitespace.
2843 * genoutput.c (strip_whitespace): New.
2844 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
2845 strip_whitespace for constraints.
2846 Test pointer using NULL, not 0.
2848 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2850 * cpplib.c (do_line): Pedwarn for #line > 32767.
2852 * c-lex.c (readescape): Warn about '\x', but do not reject it.
2854 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
2856 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
2857 to default cpp spec.
2858 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
2859 * cpp.texi: Document __GNUC_PATCHLEVEL__.
2862 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
2865 2000-02-15 Denis Chertykov <denisc@overta.ru>
2867 * configure.in: Add support for avr target.
2869 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2871 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
2872 (sh_addr_diff_vec_mode): Don't declare.
2873 * sh.c (sh_addr_diff_vec_mode): Delete.
2875 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2877 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
2879 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2881 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
2882 (smulsi3_highpart_i): Name.
2883 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
2884 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
2885 (smulsi3_highpart, umulsi3_highpart): Likewise.
2887 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
2888 correctly independent of endianness.
2889 (mulsidi3, umulsidi3): Now define_insn. Hide details that
2890 confuse the optimizers.
2891 (mulsidi3+1, umulsidi3+1): New define_split.
2893 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
2895 * config/sh/sh.md: Guard insn splits against illegal registers.
2896 * config/sh/sh.h: Correct comment about macros.
2898 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2899 Andrew MacLeod <amacleod@cygnus.com>
2901 * Makefile.in (lcm.o): Depend on insn-attr.h.
2902 * basic-block.h (optimize_mode_switching): Declare.
2903 * lcm.c (tm_p.h, insn-attr.h): #include.
2904 (seginfo, bb_info): New structs.
2905 (antic, transp, comp, delete, insert) : New file-scope static variables.
2906 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
2907 (reg_becomes_live, optimize_mode_switching): Likewise.
2908 * tm.texi: Add description of mode switching macros.
2909 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
2911 * sh-protos.h (remove_dead_before_cse): Remove prototype.
2912 (fldi_ok, fpscr_set_from_mem): New prototypes.
2913 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
2914 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
2915 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
2916 (sh_flag_remove_dead_before_cse): Remove declaration.
2917 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
2918 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
2919 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
2920 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
2921 (barrier_align): Allow for JUMP_INSNS containing a parallel.
2922 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
2923 (fldi_ok): New function.
2924 (get_fpscr_rtx): Add fpscr_rtx as GC root.
2925 (emit_sf_insn): Only generate fpu switches when optimize < 1.
2926 (emit_df_insn): Likewise.
2927 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
2928 (sh_flag_remove_dead_before_cse): Delete.
2929 (get_free_reg, fpscr_set_from_mem): New functions.
2930 * sh.md (movdf, movsf): Remove no_new_pseudos code.
2931 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
2933 2000-02-15 Loren Rittle <ljrittle@acm.org>
2935 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
2937 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2939 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
2940 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
2942 * cccp.c: Include version.h and/or don't declare `version_string'.
2943 * collect2.c: Likewise.
2944 * alpha.c: Likewise.
2945 * arm/aof.h: Likewise.
2946 * arm/coff.h: Likewise.
2947 * arm/elf.h: Likewise.
2948 * arm/pe.h: Likewise.
2949 * arm/tcoff.h: Likewise.
2950 * arm/telf.h: Likewise.
2951 * arm/tpe.h: Likewise.
2952 * arm/vxarm.h: Likewise.
2953 * convex/convex.c: Likewise.
2954 * i386/dgux.c: Likewise.
2955 * i386/sun386.h: Likewise.
2956 * m88k/m88k.c: Likewise.
2957 * mcore/mcore-pe.h: Likewise.
2958 * mips/mips.h: Likewise.
2959 * romp/romp.h: Likewise.
2960 * sh/sh.c: Likewise.
2961 * cpphash.c: Likewise.
2962 * cppinit.c: Likewise.
2963 * dwarf2out.c: Likewise.
2964 * dwarfout.c: Likewise.
2967 * mips-tfile.c: Likewise.
2968 * protoize.c: Likewise.
2969 * toplev.c: Likewise.
2972 * version.c (version_string): Constify a char*.
2974 * version.h: New file.
2976 2000-02-14 Nick Clifton <nickc@cygnus.com>
2978 * configure.in: Add mcore-elf and mcore-pe targets.
2979 * configure: Regenerate.
2981 * NEWS: Add note that MCore port has been contributed.
2983 * invoke.texi: Document command line switches for MCore port.
2984 * install.texi: Add MCore to list of supported targets.
2986 2000-02-14 Geoff Keating <geoffk@cygnus.com>
2988 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
2989 then we will need to import the frame handling functions.
2990 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
2991 to import the frames themselves.
2993 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
2994 Jason Eckhardt <jle@cygnus.com>
2996 * basic_block.h: Added prototype for reorder_basic_blocks.
2997 * toplev.c: Changes to add -freorder-blocks and graph dump after
2998 block reordering is done.
2999 * flow.c (reorder_block_def): New structure for use during block
3001 (REORDER_BLOCK_*): New macros to access members of above structure.
3002 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
3003 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
3004 functions for block reordering.
3006 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
3008 * gcc.texi (Passes): Fix typo.
3009 * md.texi (Standard Names): Ditto.
3010 * tm.texi (Storage Layout): Ditto.
3012 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
3014 * cpplib.c (do_define): Only free the old definition if it
3017 2000-02-13 Neil Booth <NeilB@earthling.net>
3019 * cppfiles.c (read_and_prescan): When emitting deferred
3020 newlines, test speccase[] again instead of checking each
3021 possible whitespace character in turn. When we encounter \r,
3022 look behind for \n first, then ahead.
3024 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
3026 * cse.c (cse_altered): New internal flag.
3027 (cse_insn): Set it if we changed an insn.
3028 (cse_main): Clear cse_altered before each basic block.
3029 Only garbage collect if cse_altered is true afterward.
3031 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3033 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
3035 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
3037 * combine.c (simplify_comparison): Fix typo.
3039 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
3041 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
3044 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3046 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
3047 previously inserted node instead of root node. Caller changed.
3049 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3051 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
3053 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3055 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
3056 __dereg_frame_dtor): Add prototype argument.
3058 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
3060 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
3062 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
3064 * gthr-vxworks.h (__gthread_once): Likewise.
3066 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
3068 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
3070 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
3071 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
3072 stack pointer in functions w/o saved registers, output LEAVE more often
3073 on TARGET_USE_LEAVE machines.
3075 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
3077 * config/arm/arm.c (arm_init_cumulative_args); New function:
3078 Initlaise the CUMULATIE_ARGS strcuture for a function
3080 (arm_function_arg): New function: Determine where to place a
3081 function's argument. Also handles deciding the function's
3083 (current_file_function_operand): New function: Return true if
3084 the symbol is a function which has already been compiled.
3085 (arm_is_long_call_p): New function: Return true if the
3086 indicated function should be called via a long call.
3087 (arm_valid_type_attribute_p): New function: Return true if the
3088 attribute is a valid, arm specific, attribute.
3089 (arm_comp_type_attribute): New function: Return true if the
3090 two types have compatable, arm specific, attributes.
3092 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
3094 (FUNCTION_ARG): Redefine to call arm_function_arg.
3095 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
3097 (INIT_CUMULATIVE_ARGS): Redefine to call
3098 arm_init_cumulative_args.
3099 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
3101 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
3103 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
3105 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
3106 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
3107 (COMP_TYPE_ATTRIBUTES): Define.
3109 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
3110 if a long call is needed.
3111 (call_value): Call arm_is_long_call_p to decide if a long call
3113 (call_symbol): Call arm_is_long_call_p to decide if a long call
3116 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
3118 2000-02-11 Denis Chertykov <denisc@overta.ru>
3120 * README.AVR: New file with information about the avr ports.
3121 * config/avr: New directory with avr port files.
3123 2000-02-11 Andreas Jaeger <aj@suse.de>
3125 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
3127 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
3129 * cpphash.c: Fix formatting, update commentary.
3130 (dump_definition): Take three separate arguments instead of a
3131 MACRODEF structure argument.
3132 * cpphash.h: Update prototype of dump_definition.
3133 * cppinit.c (cpp_finish): Update call of dump_definition.
3135 * cpplib.c (do_define): Always create new hash entry with
3136 T_MACRO type. Remove redundant check for redefinition of
3137 poisoned identifier. Update call of dump_definition.
3138 (do_undef): Don't call check_macro_name. Rename sym_length to
3140 (do_error, do_warning): Don't use copy_rest_of_line or
3142 (do_warning): Don't use pedwarn for the actual warning,
3143 only the notice about its not being in the standard. (Fixes
3144 bug with #warning in system headers.)
3145 (do_ident): Stricter argument checking - accept only a single
3146 string after #ident. Also, macro-expand the line.
3147 (do_xifdef): Use cpp_defined. De-obfuscate.
3149 (do_pragma): Split out specific pragma handling to separate
3150 functions. Use get_directive_token. Update commentary. Do
3151 not pass on #pragma once or #pragma poison to the front end.
3152 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
3153 do_pragma_default): New.
3155 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
3157 * jump.c (jump_optimize_1): The first operand in a relational
3159 * optabs.c (emit_conditional_move): Handle relationals which
3160 have a known true/false result.
3162 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3164 * function.c (thread_prologue_and_epilogue_insns): Don't insert
3165 a RETURN insn into a block which already ends with a jump.
3167 2000-02-11 Geoff Keating <geoffk@cygnus.com>
3169 * haifa-sched.c (BUF_LEN): Increase a lot.
3171 2000-02-11 Nick Clifton <nickc@cygnus.com>
3173 * configure.in: Add tm_p_file specification for thumb targets.
3174 * configure: Regenerate.
3176 * config/arm/thumb-protos.h: New file: Prototypes for exported
3177 functions defined in thumb.c.
3179 2000-02-11 Robert Lipe <robertl@sco.com>
3181 * Makefile.in (bootstrap-lean): Remove additional files.
3182 (bootstrap2-lean): Likewise.
3183 (VOL_FILES): List of files for above.
3185 2000-02-11 Nathan Sidwell <nathan@acm.org>
3187 * cpphash.c (special_symbol): Remove spurious argument to
3190 2000-02-11 Joel Sherrill (joel@OARcorp.com>
3192 * configure.in: (i*86-*-rtems*): Swapped elf and coff
3194 * configure: Rebuilt.
3196 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
3198 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
3200 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
3202 * pa.c, pa.h: Remove trigraph sequences within comments.
3204 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
3206 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
3208 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
3210 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
3212 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3214 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
3216 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3218 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
3219 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
3220 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
3221 (ASM_FILE_END): Use c4x_file_end.
3222 * config/c4x/c4x.c (c4x_global_label): New function.
3223 (c4x_external_ref, c4x_file_end): Likewise.
3225 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
3226 (c4x_external_ref, c4x_end_file): Likewise.
3228 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
3230 * cppexp.c: Don't include cpphash.h.
3231 (parse_charconst, cpp_lex): Use cpp_defined.
3232 (cpp_lex): Use get_directive_token throughout. Remove
3233 unnecessary cases from switch. Move assertion-handling code
3235 (cpp_parse_expr): If we see '+' or '-', check the context to
3236 determine if they are unary or binary operators. Streamline
3237 the jumps a bit. Do not call skip_rest_of_line.
3239 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
3240 static. Export get_directive_token. Update commentary.
3241 (cpp_defined): New function.
3242 (do_define): Remove reference to T_PCSTRING. Call
3243 free_definition to release memory for old definition, when
3245 (eval_if_expression): Set only_seen_white to 0 before calling
3246 cpp_parse_expr. Call skip_rest_of_line after it returns.
3247 (cpp_read_check_assertion): Don't preserve a pointer into the
3248 token buffer across a call to cpp_get_token.
3250 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
3251 * cppfiles.c (redundant_include_p): Use cpp_defined.
3252 * cpphash.c (free_definition): New function.
3253 (delete_macro): Use it. Update commentary.
3254 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
3256 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
3257 from enum node_type. Prototype cpp_defined and get_directive_token.
3258 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
3260 * fix-header.c (check_macro_names): Use cpp_defined.
3261 (read_scan_file): Set inhibit_warnings and inhibit_errors in
3262 the options structure.
3264 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3266 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
3268 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
3270 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
3271 rather than die->die_tag.
3273 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3275 * combine.c (make_extraction, force_to_mode): Avoid warning on
3276 mixed-signedness conditionals.
3277 (make_field_assignment, nonzero_bits): Likewise.
3278 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
3279 (store_split_bit_field, extract_split_bit_field): Likewise.
3280 (extract_fixed_bit_field, store_bit_field,
3281 * expr.c: Change alignment to be unsigned everywhere.
3282 (move_by_pieces, store_constructor_field, store_constructor):
3283 Alignment parm is unsigned.
3284 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3285 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
3286 (do_compare_rtx_and_jump): Likewise.
3287 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
3288 Compare align with GET_MODE_ALIGNMENT.
3289 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
3290 (get_inner_reference): Likewise.
3291 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
3292 (expand_assignment): Local vars for alignment now unsigned.
3293 (store_constructor, store_field, expand_expr, do_jump): Likewise.
3294 (do_compare_and_jump): Likewise.
3295 (store_field): Call new function expr_align.
3296 * expr.h (emit_block_move, emit_group_load, emit_group_store):
3297 Alignment arg now unsigned.
3298 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
3299 (do_compare_rtx_and_jump, store_bit_field): Likewise.
3300 (extract_bit_field): Likewise.
3301 * fold-const.c (add_double): Add cast to eliminate signedness warning.
3302 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
3303 (get_best_mode): Alignment arg is unsigned.
3304 * rtl.h (move_by_pieces): Likewise.
3305 * store-layout.c (maximum_field_alignment, set_alignment):
3307 (layout_decl): Alignment arg is now unsigned.
3308 Remove unneeded casts.
3309 (layout_record, layout_union, layout_type): Remove unneeded casts.
3310 Local alignment variables now unsigned.
3311 (get_best_mode): Alignment arg now unsigned.
3312 * tree.c (expr_align): New function.
3313 * tree.h (expr_align): Likewise.
3314 (maximum_field_alignment, set_alignment): Now unsigned.
3315 (get_inner_reference): Alignment argument is now pointer to unsigned.
3316 * varasm.c (assemble_variable): Add cast to eliminate warning.
3318 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
3320 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
3321 then store directly into op0.
3323 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
3324 the CALL_INSN, and emit the note immediately after it.
3326 2000-02-10 Nick Clifton <nickc@cygnus.com>
3328 * config/arm/thumb.md (epilogue): Include a (return) in the
3329 generated insn, and emit it using emit_jump_insn not
3332 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
3334 * function.c (assign_temp): Change zero-sized arrays to size 1.
3335 * integrate.c (expand_inline_function): Do not update
3336 stack_alignment_needed
3337 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
3338 add some sanity checking, remove optimization for function with
3341 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3343 * flow.c (mark_regs_live_at_end): Delete unused variables.
3345 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
3347 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
3348 in macro FRAME_GROWS_DOWNWARD.
3350 * stmt.c (expand_end_bindings): Delete unused variable.
3352 * unroll.c (iteration_info): Mark parameter `loop' with
3355 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3357 * fixinc/server.c (load_data): Return NULL if the marker line is
3359 (run_shell): If load_data returns NULL, retry the command once, in
3362 * configure: Rebuilt.
3364 2000-02-09 Bruce Korb <bkorb@gnu.org>
3366 * gcc/fixincludes: ** DELETED **
3367 * gcc/fixcpp: ** DELETED **
3368 * gcc/fixinc-nt.sed: ** DELETED **
3369 * gcc/just-fixinc: ** DELETED **
3370 * gcc/Makefile.in: Removed out-dated commentary
3371 * gcc/configure.in: Removed fast-fixincludes disablement.
3372 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
3374 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3375 * function.c (thread_prologue_and_epilogue_insns): Uncomment
3378 2000-02-09 Richard Henderson <rth@cygnus.com>
3380 * jump.c (delete_insn): Don't delete user labels at -O0.
3382 2000-02-09 Robert Lipe <robertl@sco.com>
3384 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
3385 Don't link with HOST_LIBS.
3387 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3389 * configure.in: Correct --help text for --with-dwarf2.
3390 Put tm-dwarf2.h after other tm files, if it's requested.
3391 * configure: Regenerate.
3392 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
3395 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3397 * cpplib.h: Provide HASHNODE typedef and forward decl of
3398 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
3399 DEFINITION, struct hashnode, struct macrodef, struct
3400 definition, scan_decls prototype, default defn of
3401 INCLUDE_LEN_FUDGE moved elsewhere.
3403 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
3404 definition, and struct hashnode moved here. Remove the unused
3405 'predefined' field from struct definition. Replace the 'args'
3406 union with its sole member. All users updated (cpphash.c).
3407 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
3408 multiple include guard.
3410 * cpphash.c (hashf): Make static; use better algorithm; drop
3411 HASHSIZE parameter; return an unsigned int.
3412 (cpp_lookup): Drop HASH parameter. PFILE parameter is
3413 used. Calculate HASHSIZE modulus here.
3414 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
3416 (create_definition): Drop PREDEFINITION parameter.
3417 * cpplib.c (do_define): Don't calculate a hash value here.
3418 Don't pass (keyword == NULL) to create_definition.
3420 * scan.h: Prototype scan_decls here.
3421 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
3422 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
3423 callers of cpp_lookup and cpp_install updated.
3425 * cpphash.c (macarg): Hoist all the flag diddling out of the
3427 (macroexpand): ... and out of the loop that calls macarg.
3428 Skip over the initial paren before macro arguments with
3429 cpp_get_non_space_token; point may be some distance before
3430 that paren. Abort if it's not there.
3432 * cpplib.c (parse_clear_mark): Delete function.
3433 (parse_set_mark, parse_goto_mark): Make static.
3434 (ACTIVE_MARK_P): New macro.
3435 (skip_block_comment, skip_line_comment): Do not bump the line
3436 if ACTIVE_MARK_P is true.
3437 (cpp_pop_buffer): The buffer to be popped may not have an
3439 (cpp_get_token): When looking for the initial paren before
3440 macro arguments, only set a mark in a file buffer, Always
3441 return to that mark before proceeding to call macroexpand or
3442 return a NAME token.
3444 * cpplib.h: Remove prototypes of parse_set_mark,
3445 parse_clear_mark, parse_goto_mark.
3446 (struct cpp_options): Rename 'put_out_comments' to
3447 'discard_comments' and invert its sense.
3448 * cppinit.c, cpphash.c, cpplib.c: All users of
3449 put_out_comments changed to use discard_comments, with
3452 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
3454 * function.c (thread_prologue_and_epilogue_insns): Don't delete
3455 the edge from a block that both jumps and falls through to the
3458 2000-02-09 Scott Bambrough <scottb@netwinder.org>
3460 * config/arm/arm.md (movsi): In PIC mode, make sure that a
3461 constant source address is legitimate.
3463 2000-02-09 Philip Blundell <pb@futuretv.com>
3465 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
3468 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
3470 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
3472 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
3474 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
3475 ends with a newline and a NUL. Don't be so clever manipulating
3478 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
3480 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
3481 not to BIGGEST_ALIGNMENT.
3483 2000-02-08 Geoff Keating <geoffk@cygnus.com>
3485 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
3486 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
3487 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
3488 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
3489 * frame.c (execute_cfa_insn): Handle
3490 DW_CFA_GNU_negative_offset_extended.
3492 2000-02-08 Richard Henderson <rth@cygnus.com>
3494 * flow.c (tidy_fallthru_edges): Split out from ...
3495 (delete_unreachable_blocks): ... here.
3496 (find_basic_blocks): Use it.
3498 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3500 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
3502 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
3504 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
3505 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
3506 (fix-header.o): Don't depend on cpphash.h.
3508 * scan.c (hashstr): New function.
3509 * scan.h: Prototype it.
3510 * fix-header.c: Don't include cpphash.h. Use hashstr.
3511 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
3512 hashstr. Report hash table statistics. Add private
3513 definition of xrealloc.
3515 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3517 * i386.h (TARGET_SWITCHES): Fix typo in option name.
3519 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
3521 * function.c (thread_prologue_and_epilogue_insns): Don't replace
3522 jumps with returns unless they are jumps to the fallthru block.
3524 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
3526 * i386.md (addqi3_cc): Fix contraints.
3528 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
3530 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
3532 2000-02-07 Mark Mitchell <mark@codesourcery.com>
3534 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
3535 carriage return after a macro name.
3537 2000-02-07 Fred Fish <fnf@be.com>
3539 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
3540 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
3542 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
3544 * cppfiles.c (deps_output): Count spacers in deps_column.
3546 2000-02-07 Neil Booth <NeilB@earthling.net>
3548 * cppinit.c (initialize_dependency_output): If there is no
3549 suffix, don't try to look for known suffixes. Use strrchr.
3550 (cpp_start_read): Remove duplicate initialization.
3552 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
3554 * calls.c (compute_argument_block_size): New argument
3555 preferred_stack_boundary.
3556 (expand_call): update cfun->preferred_stack_boundary, update call of
3557 compute_argument_block_size
3558 (emit_library_call): Increate cfun->preferred_stack_boundary
3559 to PREFERRED_STACK_BOUNDARY
3560 (emit_library_call_value): Likewise.
3561 * explow.c (allocate_dynamic_stack_spave): Likewise.
3562 * function.c (prepare_function_start): Set
3563 cfun->preferred_stack_boundary
3564 * function.h (struct function): Add preferred_stack_boundary field.
3565 * integrate.c (expand_inline_function): Update
3566 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
3567 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
3568 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
3570 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
3572 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
3573 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
3574 cpp_pedwarn, cpp_pedwarn_with_line,
3575 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
3576 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
3577 v_cpp_error_with_line, v_cpp_warning_with_line,
3578 cpp_message_from_errno, cpp_perror_with_name): Delete.
3580 * cpperror.c (cpp_print_containing_files): Take starting
3582 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
3583 (v_cpp_message): Now called directly by all entry points.
3585 (cpp_pfatal_with_name, cpp_message): Delete.
3586 (cpp_notice_from_errno, cpp_ice): New functions.
3587 (cpp_notice): Is now for reporting error conditions, just
3588 without an associated file.
3589 (cpp_error, cpp_error_with_line): Don't do anything if
3590 opts->inhibit_errors is on.
3591 (cpp_pedwarn_with_file_and_line): Take column argument also.
3593 * cpplib.h: Update prototypes of exported functions.
3594 (struct cpp_options): Add inhibit_errors.
3596 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
3597 non-error messages. Include intl.h.
3599 * cppinit.c, cppmain.c: Likewise. Also, use
3600 cpp_notice_from_errno instead of cpp_perror_with_name or
3601 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
3603 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
3604 report internal errors.
3606 * cpplib.c (do_define): Switch bcopy to memcpy.
3607 Give cpp_pedwarn_with_file_and_line a dummy column argument.
3609 * cpplib.c (copy_rest_of_line): Revert previous change: don't
3610 bail out early if we hit a line comment.
3612 2000-02-06 Richard Henderson <rth@cygnus.com>
3614 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
3615 * basic-block.h: Declare them.
3616 * emit-rtl.h (active_insn_p): New.
3617 (next_active_insn, prev_active_insn): Use it.
3618 * rtl.h: Declare it.
3619 * function.c (emit_return_into_block): New.
3620 (thread_prologue_and_epilogue_insns): Insert return insns instead
3621 of epilogues when possible.
3622 * jump.c (jump_optimize_1): Remove code to insert a return insn
3623 on the fallthru to the exit block.
3625 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
3626 and for non-empty stack frames.
3627 * i386.md (return): Expand to return-pop as needed.
3629 2000-02-06 Richard Henderson <rth@cygnus.com>
3631 * simplify-rtx.c (simplify_relational_operation): Canonicalize
3632 constant to op1 for testing.
3634 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3636 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
3637 (fixuns_truncqfqi2): Use it.
3639 2000-02-06 Richard Henderson <rth@cygnus.com>
3641 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
3644 * i386.md (widening and peepholes): Mask the constant instead of
3647 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3649 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
3650 input pointer before possibly branching off to the backslash
3652 * cpphash.c (macroexpand): Correctly delete \r escapes when
3653 stringifying parameters.
3654 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
3655 if we can; bail out early if we hit a line comment.
3656 (handle_directive): Treat '# 123' in an .S file just like
3657 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
3658 Return 1 for '# not_a_directive'.
3659 (get_directive_token): Pop macro buffers here, so that
3660 cpp_get_token can't sneakily move past a newline.
3662 (cpp_get_token): goto randomchar if handle_directive returns 0.
3664 * cppalloc.c: Update copyright.
3665 * cpplib.c: Merge all the static function prototypes into one
3667 * cpplib.h: Remove #if 0 block.
3669 * cpperror.c: Remove #ifdef EMACS block.
3670 * cppmain.c: Likewise.
3671 * cpphash.c: Remove #if 0 blocks.
3672 * cppinit.c: Remove #if 0 blocks, and the -lint option.
3673 * cpplib.c: Remove #if 0 blocks and code referencing
3674 pcp_inside_if or for_lint. Remove duplicate error message.
3675 Fix error messages for #else after #else or #elif. Reformat.
3676 Remove archaic TODO list.
3677 * cpplib.h: Remove pcp_inside_if and for_lint flags.
3679 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
3681 * i386/osf1elf.h: Add missing backslash to multiline string.
3683 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3685 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
3687 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3689 * Makefile.in (c-common.o): Depend on $(EXPR_H).
3691 * c-common.c: Include expr.h.
3693 * c-pragma.c (mark_align_stack): Add prototype.
3695 * caller-save.c (add_stored_regs): Likewise.
3697 * combine.c (record_promoted_value): Likewise.
3699 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
3702 * cppinit.c (new_pending_define): Likewise.
3704 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
3706 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
3707 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
3708 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
3709 class_scope_p): Likewise.
3711 * dwarf2out.h (dwarf2out_set_demangle_name_func,
3712 dwarf2out_add_library_unit_info): Likewise.
3714 * ggc.h (ggc_page_print_statistics): Likewise.
3716 * haifa-sched.c (propagate_deps): Likewise.
3718 * reg-stack.c (next_flags_user, record_label_references): Likewise.
3720 * rtl.h (set_stack_check_libfunc): Likewise.
3722 * toplev.h (set_fatal_function): Likewise.
3724 * toplev.c (set_fatal_function): Delete prototype.
3726 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
3728 2000-02-05 Geoff Keating <geoffk@cygnus.com>
3730 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
3731 (FUNC_END): Likewise.
3733 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3735 * caller-save.c: Include tm_p.h.
3737 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3739 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
3741 2000-02-04 Neil Booth <NeilB@earthling.net>
3743 * cccp.c (main): Check 'dir' for a NULL pointer before passing
3746 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
3748 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
3749 * genflags.c: Use the max_operand_1 logic from genemit.c to
3750 calculate how many arguments gen_insn prototypes have. Remove
3751 NO_MD_PROTOTYPES ifdefs from the generated file.
3752 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
3753 file. Cast gen_insn initializers to insn_gen_fn.
3754 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
3755 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
3757 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3759 * fixinc/Makefile.in (HDR): Add machname.h.
3762 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3764 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
3765 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
3766 (c4x_cpu_version): Ditto.
3767 * config/c4x/c4x-protos.h: ... here.
3769 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
3771 * dwarf2out.c (add_abstract_origin_attribute): Don't call
3772 gen_abstract_function on our context if we're a nested function.
3774 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3776 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
3777 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
3779 2000-02-04 Bruce Korb <bkorb@gnu.org>
3781 * fixinc/genfixes(machname.h):
3782 Move the functionality from gen-machine.h into this file.
3783 UNdef MN_NAME_PAT if there are no names to change.
3784 Also, be a little kinder when AutoGen is not present.
3786 * fixinc/Makefile.in(machname.h):
3787 Change the generation rule to use genfixes.
3789 * fixinc/fixfixes.c(machine_name):
3790 machine_name_fix's functionality now dependent upon whether
3791 MN_NAME_PAT is defined.
3793 * fixinc/fixtests.c(machine_name):
3796 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
3799 * fixinc/fixlib.h(mn_get_regexps):
3802 * fixinc/gen-machine.h: DELETED
3804 2000-02-04 Jan Hubicka <jh@suse.cz>
3805 Richard Henderson <rth@cygnus.com>
3807 * i386.c (SAVE_REGS_FIRST): Remove.
3808 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
3809 (ix86_compute_frame_size): Likewise.
3810 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
3811 (ix86_emit_restore_regs): Remove.
3812 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
3813 when a frame pointer is in use.
3814 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
3815 instead of pop to restore a register when profitable; emit leave
3817 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
3819 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
3820 * i386.md (prologue_allocate_stack): Remove.
3821 (epilogue_deallocate_stack): Remove.
3822 (pro_epilogue_adjust_stack): New.
3824 2000-02-04 Richard Henderson <rth@cygnus.com>
3826 * function.c (diddle_return_value): Rework to use a callback function.
3827 Use current_function_return_rtx if it's been set up.
3828 (do_clobber_return_reg, clobber_return_register): New.
3829 (do_use_return_reg, use_return_register): New.
3830 (expand_function_end): Use them.
3831 * stmt.c (expand_null_return): Likewise.
3832 * function.h: Declare them.
3833 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
3834 (mark_reg): Change arguments as appropriate for callback.
3835 * integrate.c (expand_inline_function): Revert 19 Jan change.
3837 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
3839 * tm.texi (Values in Registers): Fix typo: "fo" "for".
3840 (Misc): Say the scheduler, not the Haifa scheduler.
3842 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
3844 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
3845 when in_mem is set. Update all callers.
3847 2000-02-04 Richard Henderson <rth@cygnus.com>
3849 * i386/openbsd.h (INT_ASM_OP): Define.
3851 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
3853 * tm.texi: Fix various typos.
3855 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
3857 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
3858 (MD_STARTFILE_PREFIX_1): New macro.
3860 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
3862 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
3863 destination when needed.
3864 (strmovsi, strsetsi): New expander.
3865 (strmovsi_1, strsetsi_1): New pattern.
3866 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
3867 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
3868 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
3869 * invoke.texi (align-stringops, inline-all-stringops): Document.
3871 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
3873 * i386/netbsd.h (INT_ASM_OP): Define.
3875 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
3877 * cpplib.h (cpp_reader): Add new flag, no_directives.
3878 * cpphash.c (macarg): Set it.
3879 * cpplib.c (handle_directive): If no_directives is on and we
3880 find a directive, issue an error and discard the line.
3882 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
3884 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
3885 FP constants. Add ! TARGET_FPU check for FP constants.
3887 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
3889 * flow.c (find_basic_blocks): Don't kill label_value_list
3891 (cleanup_cfg): Kill it here.
3893 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3895 * expr.c (store_field): Ensure ALIGN is no stricter than the
3898 2000-02-02 Richard Henderson <rth@cygnus.com>
3900 * jump.c (delete_insn): Partially revert 19 Jan change;
3901 don't convert unused code labels to notes at -O0.
3903 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3905 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
3906 split_all_insns to recreate REG_LABEL notes for flow2 pass.
3908 2000-02-01 Richard Henderson <rth@cygnus.com>
3910 * i386.c (general_no_elim_operand): New.
3911 (nonmemory_no_elim_operand): New.
3912 (ix86_expand_move): Copy eliminable operands before a push.
3913 * i386-protos.h: Declare new functions.
3914 * i386.h (CAN_ELIMINATE): Simplify.
3915 (PREDICATE_CODES): Update.
3916 * i386.md (push insns): Don't allow eliminable register operands.
3918 2000-02-01 Richard Henderson <rth@cygnus.com>
3920 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
3921 replace BLKmode with DECL_RTL's mode.
3923 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
3925 * frame.c (find_fde): Convert for loop to do-while so compiler
3926 sees it's always executed at least once.
3927 * libgcc2.c (BBINBUFSIZE): Kill.
3928 (__bb_init_prg): Use fgets.
3929 (__bb_exit_trace_func): Don't paste strings.
3930 * unroll.c (unroll_loop): Initialize unroll_type, not
3931 unroll_number, and tweak logic to match.
3933 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
3935 (ix86_flags_dependant): Likewise. Disentangle control flow.
3936 (ix86_sched_reorder): Break guts out to
3937 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
3938 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
3941 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
3942 use string concatenation. Don't save and restore esi.
3944 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
3945 (machname.h): Remove script to separate file. Use two-step
3946 sequence so target is not created if script fails.
3947 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
3948 identifiers are defined.
3949 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
3950 an empty string, machine_name doesn't need to do anything at
3952 (is_cxx_header): Add more cases to regexp.
3953 * fixinc/fixlib.h: Update prototype.
3954 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
3956 * fixinc/fixincl.c: Define NO_BOGOSITY.
3958 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
3959 (hp_sysfile): Add missing comma.
3960 (math_exception): Put the wrapper ifdefs at the beginning and
3961 the end of the file.
3962 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
3964 2000-02-01 Richard Henderson <rth@cygnus.com>
3966 * sparc.c (fp_zero_operand): Turn into a normal predicate.
3967 Use CONST0_RTX. Update all callers.
3968 * sparc.h, sparc-protos.h: Update accordingly.
3969 * sparc.md (fp mov insns): Use fp_zero_operand directly
3972 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
3974 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
3977 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3979 * Makefile.in (specs.ready): New target.
3980 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
3982 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3984 * fixinc.irix: Use unique filenames for writing into /tmp,
3985 * fixinc.ptx: Likewise.
3986 * fixinc.sco: Likewise.
3987 * fixinc.svr4: Likewise.
3988 * fixinc.winnt: Likewise.
3990 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3992 * tsystem.h: New file.
3994 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
3995 s-crtS): Depend on tsystem.h.
3997 * crtstuff.c: Include tsystem.h.
3998 * frame.c: Likewise.
3999 * libgcc2.c: Likewise.
4001 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
4003 * builtins.c (expand_builtin_memset): Expand for variable sized
4006 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
4008 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
4011 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
4013 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
4015 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
4017 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
4019 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
4020 case 3->2 combining (combining with splitting) in which 2 is CC0
4021 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
4022 checked at the begining of the function with the aid of calling
4023 function 'can_combine_p'.
4025 2000-01-31 Dave Brolley <brolley@redhat.com>
4027 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
4029 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
4031 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
4034 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4036 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
4038 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
4041 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
4043 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
4044 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
4045 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
4046 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
4047 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
4048 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
4049 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
4050 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
4051 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
4052 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
4054 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
4055 Add %(cpp_cpu) to CPP_SPEC.
4057 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
4058 Add %(cc1_cpu) to CC1_SPEC.
4060 2000-01-28 Ulrich Drepper <drepper@redhat.com>
4062 * c-decl.c (c_decode_option): Accept optional numeric argument to
4063 -Wformat and set warn_format.
4064 * c-common.c: Don't emit warning about non-constant printf format
4065 string unless warn_format > 1.
4067 2000-01-30 Richard Henderson <rth@cygnus.com>
4069 * alpha.md (return_internal): Allow after reload only.
4071 2000-01-30 Richard Henderson <rth@cygnus.com>
4073 * i386.c (ix86_compute_frame_size): Omit padding1 if the
4074 local frame size is zero.
4076 2000-01-30 Richard Henderson <rth@cygnus.com>
4078 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
4079 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
4080 * alpha.md (return): Turn into an expander.
4081 (return_internal): Don't use $26.
4082 (epilogue): Emit the return insn.
4084 2000-01-30 Richard Henderson <rth@cygnus.com>
4086 * alpha.md (negtf2, abstf2): Fix word order thinko.
4088 (trunctfsf2): Avoid intermediate rounding errors.
4090 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
4092 * cppfiles.c (find_position): Drop 'colp' argument, return the
4094 (read_and_prescan): Adjust to match. Don't ever manipulate
4095 line or line_base except via find_position.
4097 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
4099 * c-parse.in: Apply Ulrich's changes from c-parse.y.
4100 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
4103 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
4105 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
4106 just print "<command line>". If 'filename' is null or an
4107 empty string, print "<stdin>" for the filename.
4108 * cpplib.c (do_define): Don't print the 'location of the
4109 previous definition' message if we're still parsing the
4111 (cpp_pedwarn_with_file_and_line): Always call
4112 cpp_file_line_for_message.
4114 2000-01-29 Mark Mitchell <mark@codesourcery.com>
4116 * flow.c (mark_regs_live_at_end): Fix typo.
4118 2000-01-28 Ulrich Drepper <drepper@redhat.com>
4120 * c-common.c: Adjust variable names, comments, help strings to c99.
4121 * c-lex.c: Likewise.
4122 * c-parse.y: Likewise.
4123 * c-tree.h: Likewise.
4125 * cpplib.h: Likewise.
4126 * c-decl.c: Likewise. Recognize options with names "*99" as well.
4127 * cppinit.c: Likewise.
4129 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4131 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
4132 * c4x.c: Define the optab rtx values.
4133 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
4134 (c4x_emit_libcall): Use new optab rtx values.
4135 (c4x_emit_libcall3): Likewise.
4136 (c4x_emit_libcall_mulhi): Likewise.
4137 * c4x-protos.h: Add prototypes for optab rtx values and change
4138 prototypes for above c4x_emit_libcall functions.
4140 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4142 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
4144 (c4x_function_prologue): Use regnames intead of float_reg_names when
4146 (c4x_function_epilogue): Likewise.
4147 (c4x_print_operand): Likewise.
4148 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
4149 * c4x.md (set_high): Disable for TARGET_TI.
4151 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4153 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
4154 of framepointer + constant to ADDR_REGS class.
4155 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
4156 * c4x.c (std_or_reg_operand): New function.
4157 * c4x-protos.h (std_or_reg_operand): Prototype it.
4159 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4161 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
4162 object names as libgcc2.c.
4163 * libgcc.S: Use newly defined names.
4165 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
4166 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
4168 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
4169 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
4170 (FLOW_LOOP_LAST_BLOCK): Likewise.
4172 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4174 * basic-block.h (struct loop): New fields 'first' and 'last'.
4175 * flow.c (flow_loops_find): Compute loop->first and loop->last.
4176 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
4177 and loop->last to check for NOTE_INSN_LOOP_END.
4179 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
4181 * predict.c (estimate_probability): Use the new FIRST and LAST fields
4182 of the loop descriptor rather than HEADER and LATCH. Also added
4183 missing break statements as well making some coding style modifications
4184 as suggested by Michael Hayes.
4186 2000-01-28 Richard Henderson <rth@cygnus.com>
4188 * flow.c (find_basic_blocks): Remove do_cleanup argument.
4189 Break out that code ...
4190 (cleanup_cfg): ... here.
4191 (commit_one_edge_insertion): Detect a return instruction being
4192 emitted to an edge. Emit a barrier following; clear fallthru.
4193 (commit_edge_insertions): Verify CFG consistency.
4194 * function.c (expand_function_start): Kill unused variable.
4195 (expand_function_end): Likewise.
4196 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
4197 to insert the epilogue.
4199 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
4200 (delete_null_pointer_checks): Likewise.
4201 * output.h: Likewise.
4202 * reg-stack.c (reg_to_stack): Likewise.
4203 * toplev.c (rest_of_compilation): Likewise. Run
4204 thread_prologue_and_epilogue_insns after rebuilding the CFG.
4206 2000-01-28 Richard Henderson <rth@cygnus.com>
4208 * Makefile.in (flow.o): Revert 24 Jan change.
4209 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
4210 FUNCTION_VALUE result to DECL_RESULT's mode.
4212 * haifa-sched.c (schedule_insns): Don't recompute reg info
4215 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
4217 * configure.in: Make --enable-cpplib the default.
4218 * configure: Regenerate.
4219 * gcc.dg/990119-1.c: No longer expected to fail.
4221 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
4223 * jump.c (jump_optimize_1): Delete an optimization that is also done
4224 by merge_blocks in flow.
4226 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4228 * diagnostic.c (build_message_string, output_printf,
4229 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
4230 (build_location_prefix): Fix non-literal format string.
4232 2000-01-27 Richard Henderson <rth@cygnus.com>
4234 * alpha.md (trunctfsf2): New.
4236 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
4238 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
4240 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
4242 * cppinit.c (cpp_handle_option): Recognize C++ comments under
4244 * cpplib.c (skip_block_comment, skip_line_comment): Split code
4246 (skip_comment) ... here. Permit C++ comments in system
4247 headers always. Warn about C++ comments in user code under
4248 -std=gnu89 -pedantic.
4249 (copy_comment): Use skip_comment.
4250 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
4252 (consider_directive_while_skipping, do_else, do_endif): Call
4253 validate_else unconditionally.
4254 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
4255 text after the conditional in a system header.
4256 * cpplib.h (struct cpp_buffer): Add flag
4257 warned_cplusplus_comments.
4259 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
4261 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
4262 Use unshare_all_rtl_1.
4263 (unshare_all_rtl_again): New function.
4264 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
4266 * function.c (purge_addressof_1): Use unshare_all_rtl_again
4267 rather than resetting the 'used' flags ourself.
4269 * toplev.c (rest_of_compilation): Add current_function_decl
4270 to the unshare_all_rtl call.
4271 * tree.h: Prototype unshare_all_rtl.
4272 * rtl.h: Prototype unshare_all_rtl_again here.
4274 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
4276 * genoutput.c (output_prologue): Include ggc.h in generated
4278 * Makefile.in (insn-output.o): Depends on ggc.h.
4280 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
4281 Hans-Peter Nilsson <hp@bitrange.com>
4283 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
4284 Remove redundant include of xm-ns32k.h.
4285 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
4286 Remove redundant include of xm-ns32k.h.
4287 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
4288 Remove redundant include of xm-ns32k.h.
4289 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
4291 * ns32k/ns32k.h: Update comment on multiply-add instructions.
4292 (TARGET_SWITCHES): Add documentation strings.
4293 (DWARF_FRAME_REGNUM): Override default definition.
4294 (REG_CLASS_CONTENTS): Add comments.
4295 (SUBSET_P): Format to reduce line length.
4296 (SMALL_REGISTER_CLASSES): Make a run time option.
4297 (GO_IF_NONINDEXED_ADDRESS): Reformat.
4298 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
4299 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
4300 (regclass_map): fix typo in comment.
4301 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
4302 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
4303 (trace, reg_or_mem_operand): Delete, unused function.
4304 (calc_address_cost): Small offsets are cheaper than large ones.
4305 (expand_block_move): Generate more efficient code when bytes is a
4306 known at compile time.
4307 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
4308 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
4309 instead of reg_or_mem_operand.
4311 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
4312 not general_operand. Similarly use "=rm" or stricter, not "=g".
4313 For input operands, use stricter constraints than "g" if not
4314 general_operand. Similarly use stricter predicate than
4315 "general_operand" when stricter constraints than "g" are present,
4316 except for matching constraints.
4317 (movstrsi): Use "memory_operand" for operands 0 and 1.
4318 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
4319 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
4320 not reg_or_mem_operand.
4321 (udivmoddisi4): Ditto.
4322 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
4323 Use nonimmediate_operand for operand 3, not register_operand.
4324 (udivmoddiqi4_internal): Use register_operand for operand 1, not
4327 2000-01-27 Fred Fish <fnf@be.com>
4329 * gthr-posix.h: Fix typo; compatibily -> compatibility.
4330 * gthr-single.h: Likewise.
4331 * gthr-solaris.h: Likewise.
4332 * gthr-vxworks.h: Likewise.
4333 * gthr-win32.h: Likewise.
4336 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
4338 * cppinit.c: Add " (cpplib)" to end of string printed by
4341 2000-01-27 Richard Henderson <rth@cygnus.com>
4343 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
4344 testing for a signed comparison.
4345 (alpha_emit_floatuns): New.
4346 * alpha-protos.h: Declare it.
4347 * alpha.md (floatunsdisf2, floatunsdidf2): New.
4348 (extendsfdf2): Tidy.
4350 2000-01-27 Jakub Jelinek <jakub@redhat.com>
4352 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
4353 no -g option specifying debugging format, default to -gstabs+.
4355 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4357 * calls.c (special_function_p): New argument fork_or_exec.
4358 (expand_call): When profile_arc_flag is set and the function
4359 is in the fork_or_exec group, call __bb_fork_func first.
4360 * libgcc2.c, _bb module (__bb_fork_func): New function.
4361 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
4363 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
4364 * tree.h (special_function_p): Update prototype.
4366 2000-01-26 Richard Henderson <rth@cygnus.com>
4368 * alpha.c (alpha_split_tfmode_pair): New.
4369 * alpha-protos.h: Declare it.
4370 * alpha.md (abstf2, negtf2): New.
4371 (movtf insn): Add input G constraint.
4372 (movtf splitter): Use alpha_split_tfmode_pair.
4374 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4376 * i386/cygwin.h: PROTO -> PARAMS.
4378 2000-01-26 Jakub Jelinek <jakub@redhat.com>
4380 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
4381 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
4382 using _Qp_cmp/_Q_cmp and testing the return value.
4383 (print_operand): Call reverse_condition_maybe_unordered if
4384 we are handling CCFPmode or CCFPEmode.
4385 Handle ORDERED, UN* and LTGT comparisons.
4386 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
4387 if not TARGET_HARD_QUAD.
4388 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
4389 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
4390 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
4391 Adjust gen_b* calls so that they reflect return comparison of
4392 sparc_emit_float_lib_cmp.
4394 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4396 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
4397 incoming operands array is large enough for one more operand.
4398 (alpha_emit_xfloating_arith): Likewise.
4400 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4402 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
4403 file with one line and no trailing newline.
4404 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
4405 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
4406 checking if the match is on the line.
4407 * fixinc/gnu-regex.c: Provide regerror not __regerror.
4409 2000-01-25 Richard Henderson <rth@cygnus.com>
4411 * sparc.c (output_cbranch): Fix accidental squashing of the
4412 fp branch pre-delay nop.
4414 2000-01-25 Richard Henderson <rth@cygnus.com>
4416 * tree.def (UNNE_EXPR): Remove.
4417 * c-typeck.c (build_binary_op): Don't handle it.
4418 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
4420 * rtl.def (UNNE): Remove.
4422 * jump.c (reverse_condition): Update accordingly.
4423 (swap_condition): Likewise.
4424 (comparison_dominates_p): Handle unordered comparisons.
4425 (reverse_condition_maybe_unordered): New.
4426 * rtl.h (reverse_condition_maybe_unordered): Declare.
4428 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
4429 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
4430 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
4431 * sparc.md (bltgt): New.
4433 2000-01-25 Nick Clifton <nickc@redhat.com>
4435 * emit-rtl.c (emit_insn): Only check machine class insns for
4436 improper emission of a RETURN.
4438 2000-01-25 Richard Henderson <rth@cygnus.com>
4440 * Makefile.in (flow.o): Depend on $(EXPR_H).
4441 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
4442 duplicate the structure of diddle_return_value for keeping regs live.
4444 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4446 * loop.c (current_loop_info): Delete.
4447 (consec_sets_invariant_p): Add loop argument, update callers.
4448 (get_condition_for_loop): Likewise.
4449 (count_nonfixed_reads, update_giv_derive): Likewise.
4450 (simplify_giv_expr, general_induction_var): Likewise.
4451 (consec_sets_giv, recombine_givs): Likewise.
4452 (move_movables): Delete loop_start and loop_end arguments,
4453 add loop argument, and update callers.
4454 (find_mem_givs, check_final_value): Likewise.
4455 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
4456 (loop_invariant_p): Rename from invariant_p, add loop argument, and
4458 (basic_induction_var): Add loop argument, delete loop_level argument,
4460 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
4461 add loop argument, and update callers.
4462 (find_splittable_regs, find_splittable_givs): Likewise.
4463 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
4464 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
4465 (biv_total_increment): Delete loop_start and loop_end arguments;
4467 (precondition_loop_p): Delete loop_start and loop_info arguments;
4469 * loop.h (get_condition_for_loop): Add loop argument.
4470 (biv_total_increment): Delete loop_start and loop_end arguments.
4471 (precondition_loop_p): Delete loop_start and loop_info arguments;
4473 (final_biv_value): Delete loop_start and loop_end arguments;
4475 (final_giv_value, back_branch_in_range_p): Likewise.
4477 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
4479 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
4481 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
4483 * Makefile.in (c-gperf.h) : Change the "See" pointer to
4484 point to the new "generated_files" doc.
4486 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
4488 * config/fp-bit.c (_unord_f2): Fix typo.
4490 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4492 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
4493 c-typeck.c, objc/objc-act.c: Remove all references to obstack
4494 functions obsoleted by GC, such as push_obstacks_nochange,
4495 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
4496 and code which existed only to decide whether or not to call
4497 them. Remove now-unused NESTED argument from start_function;
4498 all callers changed. Do not change behavior based on ggc_p.
4499 The use of the ixp_obstack in c-iterate.c and the util_obstack
4500 in objc/objc-act.c remain; these are not obsoleted by garbage
4502 * c-tree.h: Update prototype for start_function.
4504 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
4506 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
4508 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
4511 2000-01-25 Richard Henderson <rth@cygnus.com>
4513 * sparc-protos.h (select_cc_mode): Declare.
4514 * sparc.c (select_cc_mode): New. Handle unordered compares.
4515 (output_cbranch): Always reverse via code change. Handle
4516 unordered compares. Factor tests and string updates.
4517 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
4518 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
4519 * sparc.md (bunordered, bordered): New.
4520 (bungt, bunlt, buneq, bunge, bunle): New.
4522 2000-01-25 Richard Henderson <rth@cygnus.com>
4524 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
4525 * ggc-common.c (ggc_add_rtx_varray_root): New.
4526 (ggc_mark_rtx_varray): New.
4527 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
4528 functions down below ggc_mark_foo.
4529 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
4531 2000-01-25 Richard Henderson <rth@cygnus.com>
4533 * alpha.c (secondary_reload_class): Don't allocate a secondary
4534 for integral mode memories into FLOAT_REGS. Rearrange the more
4535 complicated memory expression inward.
4537 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
4539 * inclhack.def: Fixes to play nicer with FreeBSD, and
4540 corrections to comments.
4541 (cxx_unready): Add select expression.
4542 (irix_sockaddr): Add bypass expression.
4543 (machine_ansi_h_va_list): New fix.
4544 (stdio_va_list): No need to edit _BSD_VA_LIST_.
4545 Split out addition of "#include <stdarg.h>" to...
4546 (stdio_stdarg_h): ... here.
4547 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
4548 to stdlib.h also. Do not munge _BSD_SIZE_T_.
4549 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
4551 (ultrix_ifdef): Tighten up select expression.
4553 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
4554 re_ct and max_mach to avoid use of shell. Make printed names
4555 match names in inclhack.def. Use static copyright date.
4556 Don't count c_test and test expressions as requiring regex_t
4557 slots. Add some commentary.
4558 * inclhack.tpl: Do not include the 'This script contains N
4559 fixup scripts' line if PROGRAM is defined. Use static
4562 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
4564 * dwarf2out.c: include "varray.h", not dyn-string.h.
4565 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
4566 (addr_const_to_string, addr_to_string): Lose.
4567 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
4568 (struct dw_val_struct): val_addr is now an rtx.
4569 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
4570 (used_rtx_varray): New varray.
4571 (dwarf2out_init): Initialize it.
4573 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
4575 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
4576 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
4577 * Makefile.in (dwarf2out.o): Update dependencies.
4579 2000-01-24 Richard Henderson <rth@cygnus.com>
4581 * i386.c (i386_dwarf_output_addr_const): New.
4582 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
4584 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
4586 * dwarfout.c (output_mem_loc_descriptor): Likewise.
4587 * i386.c (i386_simplify_dwarf_addr): New.
4588 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
4590 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
4592 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
4593 TYPE_STUB_DECL is NULL.
4595 2000-01-24 Richard Henderson <rth@cygnus.com>
4597 * builtins.c (expand_tree_builtin): Move ...
4598 * c-common.c (expand_tree_builtin): ... here.
4600 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4602 * loop.h (LOOP_INFO): New accessor macro.
4603 * basic-block.h (struct loop): Rename field `info' to `aux'.
4604 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
4605 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
4606 * unroll.c (loop_iterations, unroll_loop): Likewise.
4608 2000-01-24 Christopher Faylor <cgf@cygnus.com>
4610 * config/i386/t-cygwin: Accomodate new winsup directory layout
4611 when searching for include files.
4613 2000-01-24 Richard Henderson <rth@cygnus.com>
4615 * rtl.def: Add unordered fp comparisions.
4616 * tree.def: Likewise.
4617 * tree.h: Add ISO C 9x unordered fp comparision builtins.
4619 * builtins.c (expand_tree_builtin): New function.
4620 * c-typeck.c (build_function_call): Use it.
4621 (build_binary_op): Support unordered compares.
4622 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
4624 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
4625 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
4626 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
4627 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
4628 * jump.c (reverse_condition): Don't abort for UNLE etc, but
4630 (swap_condition): Handle unordered compares.
4631 (thread_jumps): Check can_reverse before reversing.
4632 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
4635 * optabs.c (can_compare_p): New argument CODE. Verify branch or
4636 setcc is present before acking for cmp_optab. Update all callers.
4637 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
4638 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
4639 * expr.c (expand_expr): Likewise. Support unordered compares.
4640 (do_jump, do_store_flag): Likewise.
4641 * expr.h (enum libfunc_index): Add unordered compares.
4643 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
4644 (DPBIT_FUNCS): Add _unord_df.
4645 * config/fp-bit.c (_unord_f2): New.
4646 * fp-test.c (main): Try unordered compare builtins.
4648 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
4649 * alpha.c (alpha_comparison_operator): Check mode properly.
4650 (alpha_swapped_comparison_operator): Likewise.
4651 (signed_comparison_operator): Likewise.
4652 (alpha_fp_comparison_operator): New.
4653 (alpha_emit_conditional_branch): Handle unordered compares.
4654 * alpha.h (PREDICATE_CODES): Update.
4655 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
4656 (bunordered, bordered): New.
4658 2000-01-24 Richard Henderson <rth@cygnus.com>
4660 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
4661 * alpha.md (movtf): New expander, insn, and splitter.
4663 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
4665 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
4668 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
4670 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
4671 (FIXED_REGISTERS, CALL_USED_REGISTERS,
4672 REG_ALLOC_ORDER): Add frame pointer
4673 (FRAME_POINTER_REGNUM): Set to 20
4674 (HARD_FRAME_POINTER_REGNUM): New macro.
4675 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
4676 to HARD_FRAME_POINTER.
4677 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
4678 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
4679 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
4680 (HI_REGISTER_NAMES): Add "frame".
4681 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
4682 (debug_reg): Handle FRAME_POINTER_REGNUM.
4683 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
4684 GENERAL_REGS and INDEX_REGS.
4685 * i386.c (SAVED_REGS_FIRST): new macro.
4686 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
4687 (ix86_decompose_address, memory_address_length): Likewise.
4688 (regclass_map): Add frame pointer.
4689 (call_insn_operand): Handle frame_pointer_rtx.
4690 (reg_no_sp_operand): Likewise.
4691 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
4692 (print_operand, legitimize_pic_address): Fix formating.
4693 (ix86_compute_frame_size): Make static, update prototype, new
4694 parameters padding1, padding2, use ix86_nsaved_regs, use
4695 stack_alignment_needed.
4696 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
4697 to HARD_FRAME_POINTER_REGNUM conversions.
4698 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
4699 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
4700 (print_reg): Abort on FRAME_POINTER_REGNUM
4702 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
4704 * i386.h (PREDICATE_CODES): Add aligned_operand.
4705 * i386.c (aligned_operand): New function.
4706 (ix86_aligned_p): Kill.
4707 * i386.md (movhi_1): Emit mov for aligned operands.
4708 (promoting peep2s): Use aligned_operand.
4710 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
4712 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
4713 expression to allow underscores in macro names.
4714 (fix_char_macro_defines): Increment scanning pointer.
4716 2000-01-23 Richard Henderson <rth@cygnus.com>
4718 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
4719 * alpha/osf5.h: New file.
4720 * configure.in (alpha-*-osf5): Add it to tm_file.
4722 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
4724 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
4725 (alpha_emit_xfloating_cvt, function_arg): Declare.
4726 * alpha.c (alpha_emit_conditional_branch): Call
4727 alpha_emit_xfloating_compare for TFmode compares.
4728 (alpha_lookup_xfloating_lib_func): New.
4729 (alpha_compute_xfloating_mode_arg): New.
4730 (alpha_emit_xfloating_libcall): New.
4731 (alpha_emit_xfloating_arith): New.
4732 (alpha_emit_xfloating_compare): New.
4733 (alpha_emit_xfloating_cvt): New.
4734 (print_operand): Add default abort case.
4735 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
4736 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
4737 (BIGGEST_ALIGNMENT): Increase to 128 bits.
4738 (RETURN_IN_MEMORY): True for TF/TCmode.
4739 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
4740 (FUNCTION_ARG): Move to function_arg.
4741 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
4742 (ASM_OUTPUT_LONG_DOUBLE): New.
4743 (ASM_OUTPUT_DOUBLE): Always output bits.
4744 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
4745 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
4746 (extenddftf2, trunctfdf2): New.
4748 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4750 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
4751 * config/sparc/sol2.h: ... here.
4753 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4755 * basic-block.h (struct loops): New field `levels'.
4756 * flow.c (flow_loops_level_compute): Traverse all outer loops.
4757 (flow_loop_level_compute): Initialise level to 1.
4758 (flow_loops_find): Set loops->levels.
4759 (flow_loops_dump): Print loops->levels.
4761 2000-01-23 Richard Henderson <rth@cygnus.com>
4763 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
4764 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
4766 2000-01-23 Richard Henderson <rth@cygnus.com>
4768 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
4769 * i386.h (DBX_REGISTER_NUMBER): Use them.
4770 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
4771 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
4772 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
4773 * i386/sequent.h: Kill incorrect comment.
4775 2000-01-23 Mark Mitchell <mark@codesourcery.com>
4777 * ggc-page.c (struct page_entry): Make `context_depth' an
4779 (struct globals): Likewise.
4781 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
4783 * loop.c (check_dbra_loop): When checking a loop for
4784 reversability, check the source of any stores to ensure
4785 they don't depend on an initial value.
4787 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4789 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
4791 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
4793 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
4794 'pz_scan' into scope of entire function. Only affects
4795 compiles with -DDEBUG.
4797 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
4799 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
4800 section naming to that prior to 2000-01-07 patch.
4801 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
4802 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
4803 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
4804 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
4805 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
4807 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
4809 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
4812 2000-01-21 Jim Wilson <wilson@cygnus.com>
4814 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
4815 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
4817 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
4819 * cpphash.c (change_newlines): Delete function.
4820 (struct argdata): Delete 'newlines' and 'use_count' fields.
4821 (macroexpand): Remove code referencing those fields.
4823 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4825 * loop.c (loops_info): New variable.
4826 (loop_optimize): Allocate loops->array and free it on exit.
4827 Allocate memory for loops_info and assign to each loop,
4829 (find_and_verify_loops): Do not allocate loops->array.
4831 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
4833 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
4835 2000-01-21 Jakub Jelinek <jakub@redhat.com>
4837 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
4838 pseudos if expanded after first flow.
4839 (movdi_pic_label_ref): Likewise.
4841 2000-01-20 Richard Henderson <rth@cygnus.com>
4843 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
4845 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
4847 * Makefile.in (fixinc.sh): Depend on specs.
4848 * fixinc/Makefile.in: Add rule to create machname.h.
4849 (fixlib.o): Depend on machname.h.
4850 * fixinc/fixtests.c (machine_name): New test.
4851 * fixinc/fixfixes.c (machine_name): New fix.
4852 * fixinc/fixlib.c (mn_get_regexps): New helper function for
4853 the machine_name test and fix.
4854 * fixinc/fixlib.h: Prototype it.
4855 * fixinc/inclhack.def (machine_name): Use the C test and fix.
4856 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
4858 * gcc.c (do_spec_1) [case P]: Take care not to create
4859 identifiers with three leading or trailing underscores.
4861 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
4862 (fixincl): Don't specify libraries twice on link line.
4863 (gnu-regex.o): Remove special rule.
4864 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
4865 defined by config.h. Do not define _REGEX_RE_COMP.
4866 (regcomp): Allocate and initialize a fastmap.
4867 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
4869 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
4871 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
4873 2000-01-19 Richard Henderson <rth@cygnus.com>
4875 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
4876 arguments with BB. Update all callers. Tidy line wrapping.
4878 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
4880 * emit-rtl.c (try_split): Return last_insn if we split the
4883 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
4885 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
4886 (ix86_initial_elimination_offset): Declare.
4887 * i386.c (ix86_nsaved_regs): Break out from ...
4888 (ix86_can_use_return_insn_p): ... here.
4889 (ix86_emit_save_regs): Break out from ...
4890 (ix86_expand_prologue): ... here.
4891 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
4893 (ix86_expand_epilogue): ... here.
4894 (ix86_compute_frame_size): Make static, add prototype.
4895 (ix86_initial_elimination_offset): Break out from ...
4896 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
4898 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4900 * recog.h (OUT_FCN): Delete.
4902 * vax.md: Call `get_insn_template' instead of OUT_FCN.
4904 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4906 * cppalloc.c: PROTO -> PARAMS.
4907 * cpperror.c: Likewise.
4908 * cppfiles.c: Likewise.
4909 * cpplib.c: Likewise.
4910 * cpplib.h: Likewise.
4912 * config/arm/arm-protos.h: PROTO -> PARAMS.
4913 * config/arm/arm.c: Likewise.
4914 * config/c4x/c4x.c: Likewise.
4915 * config/fr30/fr30-protos.h: Likewise.
4916 * config/nextstep.c: Likewise.
4917 * config/pa/pa.c: Likewise.
4918 * config/pj/pj.c: Likewise.
4919 * config/rs6000/rs6000.c: Likewise.
4920 * config/v850/v850-protos.h: Likewise.
4921 * config/v850/v850.c: Likewise.
4923 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4925 * i370-protos.h: New file.
4927 * i370.c: Include tm_p.h. Fix compile time warnings.
4929 * i370.h: Move prototypes to i370-protos.h. Fix compile time
4932 * i370.md: Likewise.
4934 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4936 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
4937 (target_isinf, target_isnan, eisnan): Mark parameter with
4939 (eiisinf): Wrap in INFINITY.
4940 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
4941 (ibmtoe): Remove unused variable `rndsav'.
4943 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4945 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
4946 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
4948 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
4950 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
4951 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
4952 (fix_char_macro_defines, fix_char_macro_uses): New functions.
4954 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
4955 Recognize Emacs mode markers also.
4956 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
4957 C++ comments in C++ headers. Call is_cxx_header only if
4960 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
4962 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
4963 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
4964 ... these, which use the new C fixes.
4965 (math_exception): Escape literal '+' in bypass expression.
4967 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
4970 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4972 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
4975 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4977 * loop.c (loop_optimize): Allocate loop_info structure for each loop
4978 prior to calling scan_loop.
4980 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4982 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
4983 (split_branches, calc_live_regs): Likewise.
4985 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4987 * sh.md (fpu_single, fp_mode): New attributes.
4989 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4991 * loop.c (current_loop_info): Renamed from loop_info_data
4992 and changed to a pointer.
4993 (loop_optimize): Allocate loop_info structure for each loop
4994 and initialise to zero.
4995 (scan_loop): Set current_loop_info.
4997 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
5000 2000-01-19 Richard Henderson <rth@cygnus.com>
5002 * stupid.c: Die die die.
5003 * Makefile.in (OBJS): Remove stupid.o.
5004 (stupid.o): Likewise.
5006 * except.c (emit_eh_context): Don't emit USEs for stupid.
5007 * explow.c (probe_stack_range): Likewise.
5008 * flags.h (obey_regdecls): Remove.
5009 * flow.c (find_basic_blocks): Don't run try_merge_blocks
5010 when not optimizing.
5011 (life_analysis): Limit data collection when not optimizing.
5012 (mark_regs_live_at_end): Always mark the return value registers.
5013 (mark_used_regs): Remove dummy RETURN case.
5014 (print_rtl_with_bb): Don't consult obey_regdecls.
5015 * function.c (use_variable, use_variable_after): Remove.
5016 (assign_parms): Consult optimize not obey_regdecls.
5017 (expand_function_start): Don't emit USEs for stupid.
5018 (expand_function_end): Likewise.
5019 * global.c (build_insn_chain): Export.
5020 * integrate.c (expand_inline_function): Kill return-value USE
5022 * jump.c (jump_optimize_1): Do simple jump optimizations and
5023 dead code elimination.
5024 (calculate_can_reach_end): Remove check_deleted argument.
5025 (delete_insn): Patch out insns even when not optimizing.
5026 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
5027 * rtl.h (use_variable, use_variable_after): Remove declarations.
5028 (build_insn_chain): Declare.
5029 * stmt.c (expand_value_return): Don't emit USEs for stupid.
5030 (expand_end_bindings): Likewise.
5031 (expand_decl): Likewise. Consult optimize not obey_regdecls.
5032 * toplev.c (obey_regdecls): Remove.
5033 (rest_of_compilation): Don't set it. Kill stupid in favour of
5034 flow1, local-alloc, and reload.
5035 (main): Don't set obey_regdecls.
5037 * config/nextstep.c (handle_pragma): Likewise.
5039 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
5041 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
5043 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5045 * alpha-protos.h: PROTO -> PARAMS.
5046 * alpha.c: Likewise.
5048 * h8300.c: Likewise.
5049 * i386-protos.h: Likewise.
5051 * m32r-protos.h: Likewise.
5054 * mips.md: Likewise.
5055 * gmon-sol2.c: Likewise.
5056 * sparc.c: Likewise.
5058 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5060 * ns32k-protos.h: New file.
5062 * ns32k.c: Fix compile time warnings.
5064 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
5067 * ns32k.md: Likewise.
5069 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5071 * vax-protos.h: New file.
5073 * vax.c: Fix compile time warnings.
5075 * vax.h: Move prototypes to vax-protos.h. Fix compile time
5080 * vaxv.md: Likewise.
5082 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5084 * romp-protos.h: New file.
5086 * romp.c: Fix compile time warnings.
5088 * romp.h: Move prototypes to romp-protos.h. Fix compile time
5091 * romp.md: Likewise.
5093 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5095 * we32k-protos.h: New file.
5097 * we32k.c: Fix compile time warnings.
5099 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
5102 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5104 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
5106 * except.c (eh_regs): Likewise.
5108 * final.c (output_operand): Likewise.
5110 * fold-const.c (target_isinf, target_isnan): Likewise.
5112 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
5114 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
5115 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
5117 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
5119 (clrstrsi): Rewrite.
5120 (strsethi, strsetqi): New expanders.
5121 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
5122 (cmpstrsi): Emit compare insn before cmpstrsi_1
5123 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
5124 (strlensi_1): Likewise.
5125 (cmpstrsi_1): Likewise; do not output compare.
5126 (strlen expander): Do not unroll when optimizing for size.
5127 (*subsi3_carry): Rename to subsi3_carry
5128 (addqi3_cc): New pattern.
5129 * i386.h (processor_costs): Add move_ratio field.
5130 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
5131 * i386.c (*_cost): Set move_ratio.
5132 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
5133 (x86_expand_strlensi_1): Rewrite the main loop.
5135 2000-01-17 Richard Henderson <rth@cygnus.com>
5137 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
5138 * cse.c (find_comparison_args, fold_rtx): Likewise.
5139 * integrate.c (subst_constants): Likewise.
5140 * loop.c (get_condition): Likewise.
5142 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
5144 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
5146 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5148 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
5149 (RESTORE_WARN_FLAGS): Unpack it.
5150 Change semantic type of extension to ttype.
5151 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
5152 * c-parse.y, c-parse.c, objc/objc-parse.y,
5153 objc/objc-parse.c: Regenerate.
5155 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
5157 * fixinc/fixlib.c: Add copyright notice.
5158 (compile_re): New function.
5159 * fixinc/fixlib.h: Prototype compile_re.
5161 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
5162 Use compile_re to compile regular expressions.
5164 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
5165 where the pattern matched.
5167 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
5169 (ultrix_ansi_compat): Likewise.
5170 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
5172 (interactv_add2, interactv_add3): Delete.
5173 (x11_sprintf): Don't use filename glob.
5174 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
5177 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5179 * print-rtl.c: PROTO -> PARAMS.
5181 * reg-stack.c: Likewise.
5182 * resource.c: Likewise.
5183 * sdbout.h: Likewise.
5184 * simplify-rtx.c: Likewise.
5185 * stor-layout.c: Likewise.
5186 * stupid.c: Likewise.
5187 * xcoffout.c: Likewise.
5188 * xcoffout.h: Likewise.
5190 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5192 * toplev.c: PROTO -> PARAMS.
5193 * toplev.h: Likewise.
5196 * unroll.c: Likewise.
5197 * varasm.c: Likewise.
5198 * varray.c: Likewise.
5199 * varray.h: Likewise.
5201 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5203 * reload.c: PROTO -> PARAMS.
5204 * reload.h: Likewise.
5205 * reload1.c: Likewise.
5206 * reorg.c: Likewise.
5207 * resource.h: Likewise.
5210 * rtlanal.c: Likewise.
5211 * sbitmap.h: Likewise.
5212 * sdbout.c: Likewise.
5213 * stack.h: Likewise.
5215 * system.h: Likewise.
5217 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5219 * machmode.h: PROTO -> PARAMS.
5220 * mbchar.h: Likewise.
5221 * mips-tdump.c: Likewise.
5222 * mips-tfile.c: Likewise.
5223 * optabs.c: Likewise.
5224 * output.h: Likewise.
5225 * prefix.c: Likewise.
5226 * profile.c: Likewise.
5227 * protoize.c: Likewise.
5229 * recog.c: Likewise.
5230 * recog.h: Likewise.
5231 * regclass.c: Likewise.
5232 * regmove.c: Likewise.
5235 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5237 * ggc-common.c: PROTO -> PARAMS.
5238 * ggc-page.c: Likewise.
5239 * ggc-simple.c: Likewise.
5241 * global.c: Likewise.
5242 * graph.c: Likewise.
5243 * gthr-win32.h: Likewise.
5244 * haifa-sched.c: Likewise.
5245 * halfpic.h: Likewise.
5246 * integrate.c: Likewise.
5247 * integrate.h: Likewise.
5250 * local-alloc.c: Likewise.
5254 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5256 * genattr.c: PROTO -> PARAMS.
5257 * genattrtab.c: Likewise.
5258 * gencheck.c: Likewise.
5259 * gencodes.c: Likewise.
5260 * genconfig.c: Likewise.
5261 * genemit.c: Likewise.
5262 * genextract.c: Likewise.
5263 * genflags.c: Likewise.
5264 * gengenrtl.c: Likewise.
5265 * genopinit.c: Likewise.
5266 * genoutput.c: Likewise.
5267 * genpeep.c: Likewise.
5268 * genrecog.c: Likewise.
5270 2000-01-16 Mark Mitchell <mark@codesourcery.com>
5272 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
5274 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5276 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
5277 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
5278 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
5279 * configure, config.in: Rebuilt.
5281 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
5283 * config/i386/i386.md: Add peephole to merge successive stack
5286 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
5288 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
5289 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
5290 when walking backwards to find all the parameter loads when
5291 the basic block ends in a call.
5293 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5295 * loop.c (this_loop_info): Delete.
5296 (uid_loop): Add in place of uid_loop_num. All uses updated.
5297 (loop_number_exit_count): Delete and replace with entry in loop
5298 structure. All uses updated.
5299 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
5300 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
5301 (loop_outer_loop): Likewise.
5302 (loop_invalid, loop_number_exit_labels): Likewise.
5303 (loop_used_count_register): Delete and replace with entry in
5304 loop_info structure.
5305 (find_and_verify_loops): Add loops argument.
5306 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
5307 loop_end, etc. arguments with loop structure pointer. All callers
5309 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
5310 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
5311 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
5312 (insert_bct): Likewise.
5313 (basic_induction_var): New argument level.
5314 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
5315 vtop, and cont. Add used_count_register.
5316 (uid_loop): Delete declaration.
5317 (loop_number_exit_count): Likewise.
5318 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
5319 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
5320 (loop_outer_loop, loop_used_count_register): Likewise.
5321 (loop_invalid, loop_number_exit_labels): Likewise.
5322 (unroll_loop): Replace loop_start and loop_end arguments
5323 with loop structure pointer.
5324 (loop_precondition_p, loop_iterations): Likewise.
5325 Include basic-block.h.
5326 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
5327 with loop structure pointer.
5328 (loop_precondition_p, loop_iterations): Likewise.
5329 * basic-block.h (struct loop): New entries vtop, cont,
5330 cont_dominator, start, end, top, scan_start, exit_labels,
5332 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
5334 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5336 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
5338 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
5340 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
5342 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5344 * pdp11-protos.h: New file.
5346 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
5349 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
5352 * pdp11.md: Likewise.
5356 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5358 * mn10300-protos.h: New file.
5360 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
5363 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
5366 * mn10300.md: Likewise.
5368 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5370 * mn10200-protos.h: New file.
5372 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
5375 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
5378 * mn10200.md: Likewise.
5380 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5382 * h8300-protos.h: New file.
5384 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
5387 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
5390 * h8300.md: Likewise.
5392 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5394 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
5395 (asm_emit_uninitialised): Likewise.
5397 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
5399 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
5400 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
5402 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5404 * config/mips/mips.c (override_options): Don't turn on extra
5405 alignment for mips16.
5407 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5409 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
5410 eabi, and make sure queued POSTINCREMENT rtl is emitted at
5413 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5415 * builtins.c (PAD_VARARGS_DOWN): Define.
5416 (std_expand_builtin_va_arg): Use the above macro.
5417 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
5418 * tm.texi (Register Arguments): Document the above macro.
5420 2000-01-14 Nick Clifton <nickc@cygnus.com>
5422 * emit-rtl.c (emit_insn): If checking is enabled, make sure
5423 that this function has not been used to emit a jump
5426 * jump.c (return_jump_1): Cope with being passed a null rtx.
5428 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5430 * eh-common.h: PROTO -> PARAMS.
5431 * emit-rtl.c: Likewise.
5432 * errors.c: Likewise.
5433 * errors.h: Likewise.
5434 * except.c: Likewise.
5435 * except.h: Likewise.
5436 * explow.c: Likewise.
5437 * expmed.c: Likewise.
5440 * final.c: Likewise.
5441 * fix-header.c: Likewise.
5443 * fold-const.c: Likewise.
5444 * function.c: Likewise.
5445 * function.h: Likewise.
5447 * gcov-io.h: Likewise.
5451 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5453 * sh-protos.h: New file.
5455 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
5456 Add static prototypes. Fix compile time warnings.
5458 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
5462 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5464 * arc-protos.h: New file.
5466 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
5469 * arc.h: Move prototypes to arc-protos.h. Fix compile time
5474 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5476 * dsp16xx-protos.h: New file.
5478 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
5481 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
5484 * dsp16xx.md: Likewise.
5486 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5488 * convex-protos.h: New file.
5490 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
5493 * convex.h: Move prototypes to convex-protos.h. Fix compile time
5496 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5498 * elxsi-protos.h: New file.
5500 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
5503 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
5506 * elxsi.md: Likewise.
5508 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
5510 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
5511 case for moving from HI/LO/HI_LO_REG. This makes the behavior
5512 match the comment for MIPS16.
5514 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
5516 * flow.c (split_edge): Do not call set_block_for_insn if we
5517 do not have a basic_block_for_insn structure.
5519 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
5520 and destination functions are 32bit aligned within the trampoline.
5521 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
5522 (TRAMPOLINE_ALIGNMENT): Define.
5524 * cse.c (cse_insn): When changing (set (pc) (reg)) to
5525 (set (pc) (label_ref)), verify the change creates a valid insn.
5527 * fr30.c (call_operand): Tighten and rework to match rules for
5528 call RTL expressions.
5529 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
5530 * fr30.md (call patterns): Improve constraints.
5532 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
5534 * fr30.c (fr30_expand_epilogue): Revert last change.
5535 Use emit_jump_insn for the return insn.
5537 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
5538 Stan Cox <scox@cygnus.com>
5540 * predict.c: New file. Preliminary infrastructure work for static
5541 branch prediction and basic block reordering.
5542 * basic-block.h: Add prototype for estimate_probability.
5543 * Makefile.in: Add rules for predict.o.
5545 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
5547 * fixincludes (va_list): Use __not_va_list__ for the dummy.
5548 * fixinc/*: Likewise.
5550 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5552 * cccp.c: PROTO -> PARAMS.
5554 * collect2.c: Likewise.
5555 * combine.c: Likewise.
5556 * convert.h: Likewise.
5558 * dbxout.c: Likewise.
5559 * dbxout.h: Likewise.
5560 * diagnostic.c: Likewise.
5561 * doprint.c: Likewise.
5562 * dwarf2out.c: Likewise.
5563 * dwarf2out.h: Likewise.
5564 * dwarfout.c: Likewise.
5565 * dwarfout.h: Likewise.
5566 * dyn-string.h: Likewise.
5568 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5570 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
5571 macro conditionals guarding use.
5573 * dwarf2out.c: Include "tm_p.h".
5575 * function.c (locate_and_pad_parm): Mark parameter with
5577 (expand_function_end): Likewise for variable `context'.
5579 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
5581 2000-01-13 Nick Clifton <nickc@cygnus.com>
5583 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
5584 register to prevent compile time warnings.
5586 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
5588 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
5589 to avoid -Wtraditional warning.
5591 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5593 * 1750a-protos.h: New file.
5595 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
5598 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
5601 * 1750a.md: Likewise.
5603 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5605 * a29k-protos.h: New file.
5607 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
5610 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
5613 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5615 * clipper-protos.h: New file.
5617 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
5620 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
5623 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5625 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
5627 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
5629 * configure.in (--enable-new-gxx-abi): New option.
5630 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
5631 * Makefile.in (GXX_ABI_FLAG): New variable.
5632 * configure: Regenerate.
5634 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5636 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
5637 * tm.texi (FORCE_STRUCT_BLK): Document.
5638 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
5640 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
5642 * config/ns32k/ns32k.md: Revert Jan 9 change.
5644 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
5645 to a mode-test, if the predicate is address_operand.
5647 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
5649 * combine.c (if_then_else_cond): Be careful about what kinds
5650 of RTL expressions are passed to operand_subword.
5652 * flow.c (split_edge): If we have to insert a new jump, make
5653 sure to associate it with a basic block.
5655 * flow.c (commit_one_edge_insertion): A block with one successor
5656 can end in a JUMP_INSN that is not a simplejump.
5658 2000-01-12 Robert Lipe <robertl@sco.com>
5660 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
5661 (BUILD_VA_LIST_TYPE): Define.
5662 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
5665 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
5667 * cccp.c (do_pragma): Add cast to (char *).
5669 2000-01-12 Richard Henderson <rth@cygnus.com>
5670 Fred Fish <fnf@be.com>
5671 Jason Merrill <jason@cygnus.com>
5673 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
5674 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
5675 * i386/beos-elf.h, i386/beos-pe.h: New files.
5677 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
5678 * cross-make (SYSTEM_HEADER_DIR): Define using
5679 CROSS_SYSTEM_HEADER_DIR.
5681 * gcc.c (LIBRARY_PATH_ENV): Provide default.
5682 (process_command): Use it.
5683 (main): Likewise. Kill trailing = from env vars.
5684 (build_search_list): Put it back.
5685 * collect2.c (main): Use LIBRARY_PATH_ENV.
5687 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
5688 * toplev.c: Use NEED_DECLARATION_ENVIRON.
5690 * tm.texi (Frame Layout): Document SMALL_STACK.
5691 * c-common.c (c_common_nodes_and_builtins): Check it.
5693 * system.h: Undef alloca after including glibc's <stdlib.h>,
5694 if USE_C_ALLOCA is defined.
5696 * gcc.c (set_input): New fn.
5697 (main): After all input files are compiled, reset the input file
5700 * aclocal.m4 (rindex, index): If already defined, don't attempt
5703 * ginclude/varargs.h: (__va_list__): Define ifndef.
5704 * ginclude/stdarg.h: Likewise.
5706 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
5707 instead of unsigned char.
5709 * hash.h (true, false, boolean): Undef before enum.
5711 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
5712 proper type of "HOST_WIDE_INT *", rather than their natural type of
5713 "unsigned HOST_WIDE_INT *".
5715 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5717 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
5719 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
5721 * regclass.c (choose_hard_reg_mode): Likewise.
5723 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
5725 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
5727 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5729 * c-common.c: PROTO -> PARAMS.
5730 * c-common.h: Likewise.
5731 * c-decl.c: Likewise.
5732 * c-iterate.c: Likewise.
5733 * c-lang.c: Likewise.
5734 * c-lex.c: Likewise.
5735 * c-lex.h: Likewise.
5736 * c-parse.in: Likewise.
5737 * c-pragma.c: Likewise.
5738 * c-pragma.h: Likewise.
5739 * c-tree.h: Likewise.
5740 * c-typeck.c: Likewise.
5741 * objc/objc-act.c: Likewise.
5742 * objc/objc-act.h: Likewise.
5744 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5746 * m88k-protos.h: New file.
5748 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
5751 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
5753 * m88k.md: Likewise.
5755 * tekXD88.h: Likewise.
5757 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5759 * m68k-protos.h: New file.
5761 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
5764 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
5766 * mot3300.h: Likewise.
5768 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
5770 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
5772 (extract_bitlist): Declare bitlen.
5774 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
5776 * cccp.c: Accept and ignore -lang-fortran.
5778 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
5779 qualifiers don't match at any level of pointerness.
5781 2000-01-12 Robert Lipe <robertl@sco.com>
5783 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
5785 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
5787 * reload1.c (reload_reg_unavailable): New static variable.
5788 (reload_reg_free_p): Test it.
5789 (reload_reg_free_for_value_p): Test it instead of
5791 (choose_reload_regs_init): Compute it.
5793 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
5795 * reorg.c (fill_slots_from_thread): Check modified_in_p
5798 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
5800 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
5801 these nodes even if INTERNALS is not set.
5803 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
5805 * gcse.c (delete_null_pointer_checks_1): Cope when
5806 get_condition cannot determine the condition.
5808 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
5810 * toplev.h (set_message_length): Declare.
5812 * diagnostic.c (obstack_chunk_alloc): Define macro.
5813 (obstack_chunk_free): Likewise.
5814 (struct output_buffer): New data structure.
5816 (output_maximum_width): New variable.
5817 (doing_line_wrapping, set_message_length, init_output_buffer,
5818 get_output_prefix, output_space_left, emit_output_prefix,
5819 output_newline, output_append, output_puts, dump_output,
5820 vbuild_message_string, build_message_string, build_location_prefix,
5821 voutput_notice, output_printf, line_wrapper_printf,
5822 vline_wrapper_message_with_location): New functions. Implement
5823 automatic line wrapping.
5824 (v_message_with_decl): Make it handle automatic line wrapping.
5825 (v_error_with_file_and_line): Likewise.
5826 (v_warning_with_file_and_line): Likewise.
5827 (announce_function): Likewise.
5828 (default_print_error_function): Likewise.
5830 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
5832 * cpplib.h (struct cpp_options): Change lang_asm to char.
5834 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
5835 done in cpp_handle_option now.
5836 (initialize_builtins): Take out special case code used only by
5838 (cpp_handle_option): Turn off trigraphs and trigraph warnings
5839 if -traditional. Recognize -lang-fortran and set
5840 lang_fortran, also turn off cplusplus_comments.
5841 (print_help): Document -lang-fortran.
5842 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
5843 lang_asm. Ignore all directives other than `# 123 "file"' if
5845 (cpp_get_token): If -traditional, don't recognize directives
5846 unless the # is in column 1.
5847 (parse_string): If lang_fortran or lang_asm, silently
5848 terminate strings ('' or "") at end of line.
5849 Remove unnecessary braces.
5851 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5852 Richard Henderson <rth@cygnus.com>
5854 * resource.c (mark_referenced_resources): Mark a set strict_low_part
5856 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
5857 strict_low_part when possible.
5859 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5861 * alias.c: PROTO -> PARAMS.
5862 * basic-block.h: Likewise.
5863 * bitmap.c: Likewise.
5864 * bitmap.h: Likewise.
5865 * builtins.c: Likewise.
5866 * c-aux-info.c: Likewise.
5867 * caller-save.c: Likewise.
5868 * calls.c: Likewise.
5870 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5872 * Makefile.in (toplev.o): Depend on regs.h.
5874 * output.h (tdesc_section): Prototype.
5876 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
5878 * sdbout.c: Include "tm_p.h".
5880 * toplev.c: Include "regs.h".
5882 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
5884 * unroll.c (unroll_loop): Add EH support.
5886 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5888 * pa-protos.h: New file.
5890 * pa.c: Include recog.h and tm_p.h.
5891 (compute_zdepwi_operands, compute_movstrsi_length,
5892 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
5893 find_addr_reg, import_milli): Add static prototypes.
5894 (pa_cpu_string, pa_arch_string): Constify a char*.
5895 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
5896 (read_only_operand): Add argument `mode'.
5897 (singlemove_string, output_move_double, output_fp_move_double,
5898 output_block_move, output_and, output_ior, output_ascii,
5899 remove_useless_addtr_insns, milli_names, output_mul_insn,
5900 output_div_insn, output_mod_insn, output_arg_descriptor,
5901 output_cbranch, output_bb, output_bvb, output_dbra, ,
5902 output_millicode_call, output_call, hppa_encode_label,
5903 output_parallel_movb, output_parallel_addb): Constify a char*.
5904 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
5905 (output_parallel_addb): Remove extra arg to `constrain_operands'
5907 * pa.h: Move all prototypes to pa-protos.h.
5908 (pa_cpu_string, pa_arch_string): Constify a char*.
5909 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
5911 * pa.md: Call `function_label_operand' with mode argument.
5912 Likewise for `read_only_operand'.
5913 Fix nesting of parens in call to `symbolic_operand'.
5915 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5917 * i860-protos.h: New file.
5919 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
5922 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
5924 * i860.md: Likewise.
5926 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
5928 * i386.md (movstrsi expander): Rewrite.
5929 (movstrsi_1 insn): Deleted.
5930 (strmovhi, strmovqi expander): New expanders.
5931 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
5932 * i386.c (x86_single_stringop): New global variable.
5933 * i386.h (x86_single_stringop): Declare.
5934 (TARGET_SINGLE_STRINGOP): New macro.
5936 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5938 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
5939 integer vararg POSTINCREMENT before the destination of the jump
5940 for the hard fp case.
5941 (function_arg_pass_by_reference): Pass a copy of CUM to
5944 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
5945 for CONSTANT_ADDRESS_P above while loop for subreg.
5947 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5949 * flow.c (propagate_block): When a prologue/epilogue insn
5950 is marked dead, unconditionally clear libcall_is_dead and
5951 insn_is_dead, and only dump rtl if warnings aren't being
5954 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
5956 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
5957 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
5958 (FIXED_REGISTERS): Set dirflag as fixed.
5959 (CALL_USED_REGISTERS): Set dirflag as used.
5960 (REG_ALLOC_ORDER): Set dirflag as last one.
5961 (DIRFLAG_REG): New macro.
5962 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
5963 (HI_REGISTER_NAMES): Add dirflag.
5964 (DEBUF_PRINT_REG): Handle dirflag.
5965 * i386.md (type attribute): New cld and str types.
5966 (length_opcode attribute): Set cld and str to 1.
5967 (memory attribute): Set str to unknown - it is not clear from the
5969 (pent_np function unit): Prefixed string operations takes 12 cycles
5970 minimally; cld takes 2 cycles.
5971 (ppro_uops attribute): Str is "many" and cld is "few".
5972 (ppro_p0 unit): Handle cld here.
5973 (k6_alux unit): Handle cld and str types.
5974 (k6_load unit): It is ocupied by str opcodes.
5975 (k6_store unit): It is ocupied by str opcodes.
5976 (athlon_decode): Str is vector decoded.
5977 (athlon_ieu): Handle str and cld.
5979 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
5980 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
5981 cmpstrsi_nz_1 insn): Do not output cld instruction
5983 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
5985 * gcc.texi (G++ and GCC): Add Java and Chill.
5986 (Bug Critera): Don't list languages.
5988 * gcc.texi (Incompatibilities): No longer claim most C compilers
5991 * gcc.texi (G++ and GCC): Update other front-ends list.
5993 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
5995 * i386.c (ix86_expand_setcc): Fix typo.
5996 (ix86_expand_movcc): Similarly.
5998 * Band-aid until haifa's bitset implementation is nuked.
5999 * haifa-sched.c (extract_bitlst): New parameter for size of the
6000 bitset in bits. All callers changed. Avoid looking at undefined
6002 (edgeset_bitsize): New variable.
6003 (schedule_region): Initialize edgeset_bitsize.
6005 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6007 * Makefile.in (optabs.o): Depend on real.h
6008 (resource.o): Depend on insn-attr.h
6010 * builtins.c (result_vector): Wrap prototype in macro conditions
6011 governing definition and use.
6013 * c-common.c: Include tm_p.h.
6015 * c-lex.c: Likewise.
6017 * elfos.h: Constify a char*.
6019 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
6020 (get_attr_length, shorten_branches, profile_after_prologue): Mark
6021 parameter with ATTRIBUTE_UNUSED.
6023 * fold-const.c (exact_real_inverse): Wrap variable `i' in
6026 * haifa-sched.c (schedule_insns): Mark parameter with
6029 * optabs.c: Include real.h.
6031 * real.h (ereal_atof): Add prototype arguments.
6033 * resource.c: Include insn-attr.h.
6035 * sdbout.c (sdbout_queue_anonymous_type,
6036 sdbout_dequeue_anonymous_types): Wrap in macro
6037 SDB_ALLOW_FORWARD_REFERENCES.
6038 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
6041 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
6043 * stupid.c: Include tm_p.h.
6045 * tree.c (real_value_from_int_cst): Mark parameter with
6048 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6050 * i960-protos.h: New file.
6052 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
6055 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
6057 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6059 * combine.c (expand_field_assignment): Do not discard SUBREGs
6060 while computing nonzero_bits.
6062 2000-01-09 Nick Clifton <nickc@cygnus.com>
6064 * config/arm/arm.c: Fix compile time warnings about signed vs
6066 * config/arm/arm.h: Fix compile time warnings about signed vs
6069 2000-01-09 Philip Blundell <philb@gnu.org>
6071 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
6072 than `ldm' with only one register.
6073 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
6076 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
6079 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
6081 * config/ns32k/ns32k.md (load or push effective address): Operand 1
6084 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6086 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
6087 assignment used as truth value.
6089 * function.c (assign_temp): Mark parameter `dont_promote' with
6090 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
6091 PROMOTE_FOR_CALL_ONLY.
6093 * genrecog.c (write_subroutine): Mark variable `operands' with
6096 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
6099 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
6100 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
6102 * toplev.c (note_deferral_of_defined_inline_function): Likewise
6105 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6107 * config/c4x.h: Tidy up comments.
6108 * config/c4x.c: Likewise.
6110 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
6112 * fold-const.c (lshift_double, rshift_double): Handle
6113 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
6115 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6117 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
6118 in prepare_function_start().
6120 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
6122 * config/v850/v850.c (expand_epilogue): Interrupt functions no
6123 longer allocate extra stack for function calls.
6125 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6127 * config/c4x/c4x.md (*subqf3_set): Fix typo.
6129 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6131 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
6133 2000-01-07 David Edelsohn <edelsohn@gnu.org>
6135 * rs6000.c (processor_target_table): Add power3 as alias for 630.
6136 * aix43.h: Revert Aug 2 change.
6137 (HAS_INIT_SECTION): Define, not visible yet.
6138 (LD_INIT_SWITCH): Define, not visible yet.
6139 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
6141 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
6143 * collect2.c (main): Expand ld2 size further.
6144 (export_object_lst): Cast assignment to avoid warning.
6145 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
6146 (scan_prog_file, COFF): Do not collect initialization or
6147 finalization functions generated for entire shared object if
6148 init/fini support present.
6150 2000-01-07 Nick Clifton <nickc@cygnus.com>
6152 * config/elfos.h: Tidy up formatting of marcos. Make sure
6153 that .section directives are always prefixed by a tab.
6155 * config/svr4.h: Add #include "elfos.h" and remove duplicate
6158 2000-01-07 Matt Austern <austern@sgi.com>
6160 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
6163 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
6165 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
6167 (crtbegin.o, s-crtS): Likewise.
6169 2000-01-06 Richard Henderson <rth@cygnus.com>
6171 * alpha.md (adddi_2+1): Limit offset such that it will be
6172 loadable with a single ldah+lda pair.
6173 (adddi_2+2): Explicitly fail split if we can't make it work.
6175 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
6177 * protoize.c: Conditionally include unistd.h.
6178 (IS_SAME_PATH_CHAR): New macro.
6179 (IS_SAME_PATH): New macro.
6180 (CPLUS_FILE_SUFFIX): New macro.
6181 (cplus_suffix): New static variable.
6182 (is_abspath): New static function.
6183 (in_system_include_dir): Handle DOS style pathnames.
6184 (file_could_be_converted): Likewise.
6185 (file_normally_convertible): Likewise.
6186 (directory_specified_p): Likewise.
6187 (file_excluded_p): Likewise.
6188 (abspath): Likewise.
6189 (shortpath): Likewise.
6190 (referenced_file_is_newer): Likewise.
6191 (save_def_or_dec): Likewise.
6192 (do_processing): Likewise.
6194 (edit_file): Likewise. Use rename instead of link.
6195 (rename_c_file): Likewise. Don't rename syscalls file.
6196 (munge_compile_params): Define null device for DOS based systems.
6197 (process_aux_info_file): Use binary mode if appliable.
6198 (edit_file): Likewise.
6199 * invoke.texi (Running Protoize): Document C++ suffixes used.
6201 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
6202 IS_DIR_SEPARATOR macros.
6203 * collect2.c: Likewise.
6204 * cppinit.c: Likewise.
6205 * dwarf2out.c: Likewise.
6208 * prefix.c: Likewise.
6210 * toplev.c: Likewise.
6211 * system.h: And move to here.
6213 * prefix.c (update_path): Fix typo in variable name.
6215 2000-01-06 Richard Henderson <rth@cygnus.com>
6217 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
6218 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
6219 (count_reg_sets_1, count_reg_references): Likewise.
6220 (flow_loops_level_compute): Start counting actual loop depth at 1.
6221 (flow_loops_find): Likewise.
6222 * local-alloc.c (update_equiv_regs): Likewise.
6223 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
6225 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
6227 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
6228 FIRST_PSEUDO_REGISTER
6229 * dwarf2out.c: Don't include frame.h
6230 * dwarfout.c: Likewise
6231 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
6234 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
6236 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
6239 * i386.c (movsf splitter): Fix typo in my last checkin.
6241 2000-01-05 Nick Clifton <nickc@cygnus.com>
6243 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
6244 own definition of this macro.
6245 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
6246 flag_data_sections or UNIQUE_SECTION_P are true.
6248 * tm.texi (UNIQUE_SECTION): Document that it can be called for
6249 unitialised data decls.
6251 * config/i386/winnt.c (i386_pe_unique_section): Cope with
6252 being called for uninitialised data.
6254 * config/i386/interix.c (i386_pe_unique_section): Cope with
6255 being called for uninitialised data.
6257 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
6258 for uninitialised data.
6260 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
6261 for uninitialised data.
6263 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
6264 for uninitialised data.
6266 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
6267 (UNIQUE_SECTION_P): Always generate a unique section if
6268 flag_data_sections is true.
6269 (UNIQUE_SECTION): Also generate unique sections for
6271 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
6272 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
6275 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6277 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
6280 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6282 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
6283 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
6284 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
6285 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
6286 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
6288 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
6290 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
6292 * c-decl.c (finish_enum): Simplify code to determine minimum and
6293 maximum values of the enum, and calculate the type. Remove check
6294 for FUNCTION_DECLs in the values list, which cannot happen. Replace
6295 the DECL_INITIAL of each enumeration constant with a copy converted
6296 to the enumeration type. When updating variant types, don't bother
6297 updating the type itself.
6299 * c-typeck.c (build_binary_op): Simplify conditional expressions
6300 when weeding out spurious signed-unsigned warnings. Add new
6301 spurious warning category: if the unsigned quantity is an enum
6302 and its maximum value fits in signed_type(result_type). Update
6304 (build_conditional_expr): Warn here if one alternative is signed
6305 and the other is unsigned.
6307 2000-01-05 Nick Clifton <nickc@cygnus.com>
6309 * config/fr30/fr30.h: Remove extraneous comments.
6311 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
6313 * reload1.c (choose_reload_regs): When disabling a reload, also
6314 set reload_spill_index to -1.
6316 2000-01-04 Joel Sherrill (joel@OARcorp.com>
6318 * configure.in (m68*-*-rtemscoff*): New target, formal name for
6320 (m68*-*-rtemself*): New target.
6321 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
6322 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
6323 (sparc*-*-rtemself*): New target.
6324 (sparc*-*-rtems*): Now elf not a.out.
6325 * config/i386/rtems.h: Include config/rtems.h.
6326 * config/i386/rtemself.h: Include config/rtems.h.
6327 * config/i960/rtems.h: Include config/rtems.h.
6328 * config/m68k/rtems.h: Include config/rtems.h.
6329 * config/m68k/rtemself.h: Include config/rtems.h.
6330 * config/mips/rtems64.h: Include config/rtems.h.
6331 * config/pa/rtems.h: Include config/rtems.h.
6332 * config/rs6000/rtems.h: Include config/rtems.h.
6333 * config/sh/rtems.h: Include config/rtems.h.
6334 * config/sh/rtemself.h: Include config/rtems.h.
6335 * config/sparc/rtems.h: Include config/rtems.h.
6336 * config/sparc/rtemself.h: Include config/rtems.h
6338 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
6340 * final.c (shorten_branches): Correctly compute length of
6341 asms without operands.
6343 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
6345 * configure.in: Add pj target.
6346 * configure: Regenerate.
6347 * config/pj: New directory.
6348 * config/pj/lib1funcs.S: New file.
6349 * config/pj/linux.h: New file.
6350 * config/pj/pj.c: New file.
6351 * config/pj/pj.md: New file.
6352 * config/pj/pjl.h: New file.
6353 * config/pj/t-pj: New file.
6354 * config/pj/xm-pj.h: New file
6356 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
6358 * toplev.c (rest_of_compilation): Run shorten-branches before
6361 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6363 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
6364 macros so that they're consistent with their names.
6365 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
6366 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
6368 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6370 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
6371 modified inadvertently.
6373 2000-01-04 Joel Sherrill <joel@OARcorp.com>
6375 * configure.in (v850*-*-rtems*): New target.
6376 * configure: Regenerate.
6377 * config/v850/rtems.h: New file.
6379 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
6381 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
6382 (__gthread_key_create): Likewise.
6383 (__gthread_key_dtor): Likewise.
6384 (__gthread_once): Fix logic.
6385 (__gthread_key_delete): Cast away constness.
6387 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
6388 * invoke.texi: Document.
6389 * i386/mingw32.h (CPP_SPEC): Use.
6390 (LIBGCC_SPEC): Likewise.
6391 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
6393 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6395 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
6396 (HANDLE_PRAGMA_PACK): Undefine.
6397 (SLOW_UNALIGNED_ACCESS): Define.
6399 2000-01-04 David Edelsohn <edelsohn@gnu.org>
6401 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
6402 to default definition.
6403 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
6404 (store_fixed_bit_field): Call macro with word_mode and alignment.
6405 (extract_bit_field): Call macro with relevant mode and alignment.
6406 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
6407 to default definition.
6408 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
6410 (move_by_pieces_ninsns): Likewise.
6411 (clear_by_pieces): Likewise.
6412 (emit_push_insn): Likewise.
6413 (store_field): Call macro with relevant mode and alignment.
6414 (expand_expr): Likewise.
6415 (expand_expr_unaligned): Likewise.
6417 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
6418 (SLOW_UNALIGNED_ACCESS): Define.
6419 (CASE_VECTOR_MODE): Always use 32-bit offsets.
6420 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
6421 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
6422 (toc_section): Likewise and .toc pseudo-op.
6423 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
6425 (TEXT_SECTION_ASM_OP): Likewise.
6426 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
6429 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
6430 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
6431 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
6432 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
6433 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
6435 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
6437 * regclass.c: Revert my Jan 4 change to loop cost computation.
6439 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6441 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
6444 2000-01-04 Stan Cox <scox@cygnus.com>
6446 * haifa-sched.c (build_control_flow): Change unreachable simple
6447 loop test to check if current block has only one predecessor.
6448 (find_rgns): Initialize degree. Use dest as degree index, not src.
6450 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6452 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
6454 * calls.c (expand_call): Likewise for
6455 `old_stack_arg_under_construction'.
6457 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
6459 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
6462 * gcc.c (execute): Likewise for `ut' and `st'.
6464 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
6466 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
6468 * jump.c (jump_optimize_1): Likewise for `temp2'.
6470 * local-alloc.c (block_alloc): Likewise for `r1'.
6472 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
6474 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
6475 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
6477 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
6480 * reload.c (find_reloads): Likewise for `goal_alternative_number'
6481 and `goal_earlyclobber'.
6483 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
6485 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
6487 * stupid.c (stupid_life_analysis): Likewise for `chain'.
6489 * unroll.c (copy_loop_body): Likewise for `copy'.
6491 * varasm.c (output_constructor): Likewise for `byte'.
6493 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6495 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
6496 all FP constants for constant->reg moves.
6497 (ix86_split_to_parts): Try to convert memory address into immediate
6498 when available in the constant pool.
6499 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
6501 (LEGITIMATE_CONSTANT_P): Return 1.
6502 * i386.md (pushsf): New splitter to convert constant pool memory
6503 reference to immediate.
6504 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
6507 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
6509 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
6510 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
6511 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
6512 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
6513 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
6515 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
6517 * ginclude/stdbool.h: Support compilation as C++.
6519 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6521 * fold-const.c (make_range): Don't try to reverse an unbounded range.
6523 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
6525 * regclass.c (regclass): Properly compute loop_cost. Adjust
6528 * regclass.c: Fix minor whitespace problems.
6530 2000-01-03 Anthony Green <green@cygnus.com>
6532 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
6533 Restore the pic register if required.
6535 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
6537 * c-common.c (format_char_info): Update comment.
6538 (check_format_info): Recognize 'z' modifier in the same way 'Z'
6539 was recognized. Emit warning for formats new in ISO C99 only
6540 if flag_isoc9x is not set.
6542 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
6544 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
6546 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
6548 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
6549 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
6550 (make_compound_operation): Choose cheaper alternative between
6551 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
6553 * regclass.c (op_costs): Remove global variable.
6554 (record_reg_classes): New parameter "op_costs" and "reg_pref".
6555 (record_operand_costs): Break out from ...
6556 (scan_one_insn): ... here.
6557 (dump_regclass): Make dumps nicer.
6558 (regclass): Dump preferrences choosed and changes done during passes.
6560 2000-01-03 Jakub Jelinek <jakub@redhat.com>
6562 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
6564 2000-01-03 Jakub Jelinek <jakub@redhat.com>
6566 * config/sparc/sparc.c (gen_df_reg): New function.
6567 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
6568 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
6569 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
6570 movtf_cc_reg_sp64+1): Use it.
6572 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6574 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
6577 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
6579 * config/i386/i386.c (ix86_expand_unary_operator): Function
6580 definition made void.
6581 (ix86_expand_binary_operator): Update outdated preceding comment.
6582 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
6585 * config/i386/i386.c (override_options): Fix option-name typo.
6587 2000-01-02 Mark Mitchell <mark@codesourcery.com>
6589 * system.h (CEIL): Define.
6590 * builtins.c (CEIL): Remove.
6591 * expmed.c (CEIL): Likewise.
6592 * expr.c (CEIL): Likewise.
6593 * stor-layout.c (CEIL): Likewise.
6595 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6597 * expr.c (store_constructor_field): Fix typo introduced with last
6600 2000-01-01 Mark Mitchell <mark@codesourcery.com>
6602 * tree.h (BINFO_N_BASETYPES): New macro.
6604 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
6606 * expmed.c (emit_store_flag): Prevent losing a pending stack
6607 adjust the same way we prevent losing queued increments.
6609 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6611 * function.c (update_temp_slot_address): Handle case where sum of
6612 temporary address plus offset in register is a valid address.
6614 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6616 * genrecog.c (change_state) Corrected typo.
6618 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6620 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
6621 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
6622 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
6624 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
6626 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
6627 case, expand GT comparisons correctly. Fix a comment before this
6630 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
6632 * dwarfout.c: Include "frame.h"
6633 * dwarf2out.c: Likewise.
6634 * Makefile.in (dwarfout.o): Depend on frame.h
6635 (dwarf2out.o): Likewise.
6637 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
6639 Restore i386 binary compatibility in Dwarf EH info.
6640 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
6641 value of FIRST_PSEUDO_REGISTER.
6642 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
6643 (struct frame_state): Use DWARF_FRAME_REGISTERS.
6644 * dwarfout.c (output_reg_number): Ditto.
6645 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
6646 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
6648 1999-12-29 Bruce Korb <autogen@linuxbox.com>
6650 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
6651 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
6652 (<hack>_RE_CT): not needed
6653 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
6654 rewritten to scan the file text once only
6655 "template<..." test added
6656 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
6657 (is_cxx_header): declaration added
6658 * fixinc/fixtests.c(is_cxx_header): removed
6659 (apply_fix_p_t): removed
6660 (double_slash_test): is_cxx_header is only called once now
6661 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
6662 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
6663 within the templates.
6664 The borken spelling of "broken" was fixed.
6665 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
6666 The default level depends on FIXINC_DEBUG.
6668 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6670 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
6671 Otherwise provide a declaration for atexit.
6672 (init_dummy): Make sure dummy call to atexit is nevertheless
6673 called with correct number of args.
6675 * frame.c: Update comments referring to other files.
6677 * libgcc2.c: Likewise.
6679 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6681 * cse.c (free_element, get_element): Remove unused prototypes.
6683 * fold-const.c (extract_muldiv): Initialize variables `op0' and
6686 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
6689 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
6691 * configure.in,configure: case arm for mn10200-*-* now sets
6692 float_format=i32 so that float.h will correctly claim "double"
6693 to be 32 bits. Ran autoconf to generate configure from .in file.
6695 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
6697 * pa.md (conditional zero): If op1 is a register, force it into
6698 the same register as op0.
6700 1999-12-28 Mark Mitchell <mark@codesourcery.com>
6702 * tree.h (BINFO_BASETYPES): Improve documentation.
6704 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6706 * configure.in (--enable-checking): Use a more portable `for'
6709 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6711 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
6712 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
6714 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
6717 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
6718 Delete descriptions.
6720 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
6721 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
6722 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
6723 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
6724 xm-svr4.h: Remove all instances of sys_siglist handling.
6726 1999-12-27 Jakub Jelinek <jakub@redhat.com>
6728 * config/sparc/sparc.md (cmp_zero_qi,
6729 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
6730 cmp_zero_extendqidi2_andcc_set): New patterns.
6732 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
6734 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
6735 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
6736 (fpgnulib.c, xfgnulib.c): Add rules.
6737 * m68k/t-mot3300-gas: Likewise.
6739 1999-12-27 Ian Lance Taylor <ian@zembu.com>
6741 * configure.in: Avoid [[ by using test and changequote. Add
6742 changequote required by 1999-12-14 change.
6743 * configure: Rebuild.
6745 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
6747 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
6749 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
6751 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
6752 * flow.c (find_use_as_address): Likewise.
6753 * function.c (fixup_var_refs_1): Likewise.
6754 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
6755 * jump.c (invert_exp, redirect_exp): Likewise.
6756 * loop.c (replace_call_address): Likewise.
6757 (count_nonfixed_reads): Likewise.
6758 * rtlanal.c (modified_between_p): Likewise.
6759 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
6760 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
6761 * unroll.c (remap_split_bivs): Likewise.
6763 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6765 * diagnostic.c (v_message_with_decl): Use .* format specifier
6766 instead of building the format specifier width manually.
6768 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
6769 determining whether to provide a prototype. Remove the
6770 sys_siglist clause in the conditional.
6772 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6774 * fold-const.c (operand_equal_p): Use memcmp to compare string
6776 Suggested by D. J. Bernstein
6778 1999-12-17 Jakub Jelinek <jakub@redhat.com>
6780 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
6781 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
6783 * config/mips/mips.h (TARGET_64BIT): Likewise.
6784 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
6785 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
6786 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
6787 dsps. Give routines proper names if SI/DI modes are not used.
6788 * longlong.h: Use DWunion instead of DIunion.
6790 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
6792 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
6793 GC_CHECKING, GC_ALWAYS_COLLECT.
6794 * configure.in: Allow --enable-checking with an argument
6795 listing check modes to enable.
6796 * config.in, configure: Rebuilt.
6797 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
6798 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
6799 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
6800 ENABLE_GC_ALWAYS_COLLECT.
6801 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
6803 * tree.h, tree.c: Change ENABLE_CHECKING to
6804 ENABLE_TREE_CHECKING throughout.
6806 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6808 * fold-const.c (fold_truthop): Properly check for FP RHS.
6810 1999-12-24 Mark Mitchell <mark@codesourcery.com>
6812 * toplev.h (note_deferall_of_defined_inline_function): Declare.
6813 * toplev.c (note_deferral_of_defined_inline_function): New
6814 function, split out from ...
6815 (rest_of_compilation): ... here. Use it.
6817 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6819 * expr.c (store_constructor): Don't call clear_storage if size is
6822 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6824 * Makefile.in (toplev.o): Depend on loop.h.
6826 * dwarfout.c: Include tm_p.h.
6828 * emit-rtl.c (restore_emit_status): Mark parameter with
6831 * final.c (final_scan_insn): Likewise.
6833 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
6834 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
6835 flow_depth_first_order_compute, flow_loop_pre_header_find,
6836 flow_loop_tree_node_add, flow_loops_tree_build,
6837 flow_loop_level_compute, flow_loops_level_compute,
6838 flow_loop_outside_edge_p): Add prototypes.
6839 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
6841 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
6842 Mark with ATTRIBUTE_NORETURN.
6844 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
6846 * local-alloc.c (no_conflict_p): Likewise.
6848 * loop.c (insert_bct): Hide definitions of variables with hidden
6850 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
6852 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
6853 with ATTRIBUTE_UNUSED.
6854 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
6855 (reg_scan): Likewise.
6857 * reload.c (find_reloads): Remove unused variables `changed'.
6859 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
6861 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
6862 Remove unused variable `insn'.
6864 * toplev.c: Include loop.h.
6865 (report_file_and_line): Remove unnecessary prototype.
6867 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
6869 * unroll.c (biv_total_increment): Likewise.
6871 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6873 * reload1.c (emit_input_reload_insns): Restore old behaviour
6874 wrt. 'special' reloads.
6876 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
6878 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
6879 hash.h. (cse.c): Don't depend on hashtab.h.
6881 * cse.c: Don't include hashtab.h.
6882 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
6884 * ggc-simple.c: Don't include hash.h.
6886 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
6888 * dwarf2out.c (add_abstract_origin_attribute): Call
6889 gen_abstract_function on our function context.
6891 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
6893 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
6895 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6897 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
6900 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6902 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
6903 constraints to "a!r".
6905 1999-12-21 Mark Mitchell <mark@codesourcery.com>
6907 * Makefile.in (calls.o): Depend on function.h.
6908 (alias.o): Likewise.
6910 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
6912 * reload1.c (emit_reload_insns): Break out code and variables into...
6913 (input_reload_insns, other_input_address_reload_insns,
6914 other_input_reload_insns, input_address_reload_insns,
6915 inpaddr_address_reload_insns, output_reload_insns,
6916 output_address_reload_insns, outaddr_address_reload_insns,
6917 operand_reload_insns, other_operand_reload_insns,
6918 other_output_reload_insns): ... new static variables, and...
6919 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
6920 do_output_reload): ... new functions.
6922 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6924 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
6926 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6928 * md.texi: Add c4x constraints documentation.
6930 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6932 * config/i386/dgux.c (struct option): Rename to
6933 lang_independent_option.
6934 (struct m_options): Add description field.
6935 (output_options): Rename option type, add sep declaration, output
6936 ix86_cpu_string and ix86_arch_string only if set.
6937 (output_file_start): Rename option type.
6939 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
6941 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
6943 (libgcc2.a): Similarly.
6945 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
6947 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
6948 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
6949 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
6951 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
6953 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
6954 Remove redundant initialization of "frexpon" and "expon".
6956 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6958 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
6960 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
6961 (store_constructor_field, expand_expr): Pass new arg.
6963 1999-12-20 Mark Mitchell <mark@codesourcery.com>
6965 * Makefile.in (explow.o): Depend on function.h.
6967 * stor-layout.c (set_sizetype): Fix typo.
6969 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
6971 * function.c (cfun): Renamed from current_function. All users
6973 * function.h (cfun): Rename declaration as well.
6975 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
6976 to be of type regset_head, not regset. All users changed by adding
6978 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
6980 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6982 * config/c4x/rtems.h: New file.
6984 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
6986 * reload1.c (spill_failure): Take class of failed reload as argument
6987 and print it. Caller changed.
6989 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6991 * rs6000.h (SUBTARGET_DEFAULT): New macro.
6992 (TARGET_SWITCHES): Allow subtargets to default switches.
6993 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
6995 1999-12-18 Mark Mitchell <mark@codesourcery.com>
6997 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
7000 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
7002 * cccp.c (main): Define __STDC_VERSION__ as necessary.
7003 * cppinit.c (cpp_handle_option): Likewise.
7005 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
7006 determine when to define.
7008 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
7010 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
7011 cmove with mismatched test and data modes.
7013 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
7015 * c-typeck.c (c_expand_start_case): Don't warn for long switch
7018 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7020 * alias.c: Minor reformatting.
7023 * stor-layout.c: Likewise.
7024 * fold-const.c: Likewise.
7025 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
7026 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
7028 (size_int_wide): Cache nodes even if garbage collecting.
7029 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
7030 of SAVE_EXPR has no side effects.
7031 * cse.c: Move a comment.
7032 * tree.c: Minor reformatting.
7033 (int_size_in_bytes): Return -1 if constant overflows.
7035 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7037 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
7039 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
7041 * objc/objc-parse.c: Regenerate. This file must be rebuilt
7042 after any change to c-parse.in, even if objc-parse.y didn't
7045 1999-12-18 David S. Miller <davem@redhat.com>
7047 * toplev.c (rest_of_compilation): Restore BLOCK tree
7048 reconstruction and branch shortening changes lost in
7049 December 18th change.
7051 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
7053 * config/arm/linux-elf.h: Change all instances of
7054 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
7055 * config/arm/uclinux-elf.h: Likewise.
7057 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
7059 * toplev.c (notice, vmessage, v_message_with_file_and_line,
7060 v_message_with_decl, file_and_line_for_asm,
7061 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
7062 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
7063 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
7064 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
7065 pfatal_with_name, fatal_io_error, need_error_newline,
7066 last_error_function, last_error_tick, announce_function,
7067 default_print_error_function, print_error_function,
7068 report_error_function, fnotice, error_with_file_and_line,
7069 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
7070 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
7071 warning_with_decl, warning_for_asm, warning, pedwarn,
7072 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
7074 (compile_file): Use fnotice instead of notice. Adjust call.
7076 * diagnostic.c: New file.
7078 * Makefile.in (OBJS): Include diagnostic.o
7079 (diagnostic.o): Define dependence.
7081 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7083 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
7086 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7088 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
7090 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
7092 * fixtests.c (is_cxx_header): New fn, split out of
7094 (else_endif_label): Allow "#endif // comment" in C++ headers,
7095 as determined by is_cxx_header.
7096 * fixfixes.c (else_endif_label_fix): Update comment.
7097 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
7099 * genfixes: Correct double thinko in commandline parsing.
7100 * hackshell.tpl: Generate correct sh syntax for bypass
7103 * inclhack.def (all): Whenever an inserted preprocessor
7104 conditional is split over multiple lines, use double
7105 backslashes in this file so the fixed header will be readable.
7107 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
7108 and add bypass entry for correct version of this header.
7109 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
7110 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
7112 (hpux8_bogus_inlines): New fix, split from...
7113 (ultrix_atof_param) ... here.
7114 (math_expression): Add bypass entry keyed to glibc comment
7115 indicating the problem has been dealt with; disable
7116 unnecessary sed operations; update commentary.
7117 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
7118 add select and bypass entries, simplify shell operation.
7119 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
7121 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
7122 ultrix_atof_param): Add select entry.
7123 (stdio_va_list, sunos_mather_decl): Add bypass entry.
7124 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
7125 comments with the fixes they describe.
7127 * c-parse.in (string action): Do not warn about ANSI string
7128 concatenation in system headers. Affects C parser only.
7129 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
7131 1999-12-16 Jakub Jelinek <jakub@redhat.com>
7133 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
7134 compiling libgcc2 the macro depends always on arch cpp defines.
7136 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
7138 * loop.c (insert_loop_mem): Don't record MEMs from inside
7141 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
7143 * regclass.c (regclass): Do not use flowgraph when not optimizing.
7145 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
7146 notes too, create one when replacement failed, attempt to simplify
7148 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
7151 1999-12-16 Mark Mitchell <mark@codesourcery.com>
7153 * crtstuff.c (__dso_handle): Declare.
7154 (__cxa_finalize): Likewise.
7155 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
7158 * invoke.texi: Document -fuse-cxa-atexit.
7160 * tree.h (ptr_type_node): Document.
7161 (const_ptr_type_node): Likewise.
7163 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7165 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
7166 (optimize_reg_copy_2): Likewise.
7167 (optimize_reg_copy_3): Likewise.
7168 (fixup_match_2): Likewise.
7169 (regmove_optimize): Likewise.
7170 (fixup_match_1): Liekwise.
7172 * i386.md (HI to SImode promoting splitters): Rewrite.
7173 (pushsf mem peep2): New.
7174 (testhi to andhi peep2): Remove.
7175 * i386.h (x86_promote_QImode): New.
7176 (TARGET_PROMOTE_QImode): New.
7177 (PREDICATE_CODES): Add promotable_binary_operator.
7178 * i386.c (x86_promote_QImode0: New.
7179 (promotable_binary_operator): New.
7180 * i386-protos.h (promotable_binary_operator): New.
7182 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
7184 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
7186 1999-12-16 Mark Mitchell <mark@codesourcery.com>
7188 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
7189 * function.c (insert_block_after_note): Remove.
7190 (retrofit_block): Likewise.
7191 (identify_blocks): Fix indentation.
7192 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
7193 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
7194 * function.h (insert_block_after_note): Remove prototype.
7195 (retrofit_block): Likewise.
7196 * integrate.c (expand_inline_function): Don't call
7197 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
7198 just expand_start_bindings. Use the block_map to remap old
7199 NOTE_BLOCKs to new ones.
7200 (integrate_decl_tree): Keep track of remapped blocks.
7201 * integrate.h (struct inline_remap): Add block_map.
7202 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
7203 NOTE_BLOCK on the notes.
7204 (expand_start_bindings): Rename to ...
7205 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
7206 (expand_end_bindings): Set NOTE_BLOCK.
7207 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
7208 reconstruct the BLOCK tree.
7209 * tree.h (expand_start_bindings): Macroize. Call ...
7210 (expand_start_bindings_and_block): New function.
7212 1999-12-16 Jakub Jelinek <jakub@redhat.com>
7214 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
7215 to match the format.
7217 1999-12-16 David S. Miller <davem@redhat.com>
7219 * expr.c (emit_move_insn_1): Only emit clobbers if one of
7220 the outputs is a SUBREG.
7221 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
7224 * config/sparc/sparc.c (epilogue_renumber): Add default case
7227 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7229 * toplev.c (rest_of_compilation): Run branch shortening after
7232 * regclass.c (loop_depth): Remove
7233 (scan_one_insn): Do not handle LOOP_NOTE insns.
7234 (regclass): Go through basic blocks and set loop_cost
7236 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
7238 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
7240 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7242 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
7243 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
7244 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
7246 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
7248 * loop.c (insert_loop_mem): Ignore memory clobbers.
7250 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
7253 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
7255 * profile.c: Remove redundant #include "output.h".
7257 * h8300.md (HImode preinc peephole): Fix typo.
7259 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7261 * function.c (retrofit_block): Abort if we don't find a suitable insn.
7262 (insert_block_after_note): Abort if we don't have a previous block.
7263 Remove FN parameter.
7264 * function.h: Adjust.
7266 1999-12-15 Mark Mitchell <mark@codesourcery.com>
7268 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
7269 argument more than once.
7271 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7273 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
7275 1999-12-15 Jakub Jelinek <jakub@redhat.com>
7277 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
7279 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7281 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
7282 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
7283 update stack_alignment_needed.
7284 (prepare_function_start): Initialize stack_alignment_needed
7285 * function.h (struct function): Add field stack_alignment_needed.
7287 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7289 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
7290 Handle live_throughout / dead_or_set instead of live_before /
7292 (save_call_clobbered_regs): Get register livenessinformation from
7293 chain->live_throughout.
7294 (add_stored_regs): New function.
7295 (insert_restore, insert_save): Add restored / saved registers to
7297 * global.c (reg_dies): New parameter chain.
7298 (reg_becomes_live): Third parameter is regs_set now.
7299 Changed all callers.
7300 (reg_dies): New parameter chain. Changed all callers.
7301 (build_insn_chain): Set live_throughout instead of
7302 live_before / live_after.
7303 * reload.h (struct insn_chain): Replace members live_before /
7304 live_after with live_throughout / dead_or_set.
7305 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
7306 instead of live_before / live_after.
7307 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
7308 (order_regs_for_reload, find_reg, finish_spills): Likewise.
7309 (choose_reload_regs_init): Likewise.
7310 * stupid.c (current_chain, find_clobbered_regs): Delete.
7311 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
7312 instead of chain->live_before / chain->live_after.
7313 (mark_hard_ref): New function.
7314 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
7316 1999-12-15 David S. Miller <davem@redhat.com>
7318 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
7320 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7322 * flow.c (calculate_loop_depth): Make global, remove prototype,
7323 rewrite to use new loop infrastructure.
7324 (find_basic_block): Remove calculate_loop_depth call.
7325 * toplev.c (rest_of_compilation): Call find_basic_block.
7326 * output.h (calculate_loop_depth): Declare.
7328 * flow.c (dump_flow_info): Dump loop_depth.
7329 (flow_loops_nodes_find): Increase loop_depth for basic block in the
7331 (flow_loops_find): Initialize the loop_depth for each basic block.
7333 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
7335 * tree.c (decl_function_context): Handle virtual functions.
7337 * tlink.c (scan_linker_output): Don't look in demangled name when
7338 looking for linker output keywords.
7340 * dwarfout.c (output_type): We can defer namespace-scope classes.
7342 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
7344 * regclass.c (record_reg_classes): Update comment for merging
7345 register class preferences in reg->reg copies. Tighten conditions
7346 for merging register class preferences in reg->reg copies.
7348 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
7350 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
7352 1999-12-14 Geoff Keating <geoffk@cygnus.com>
7354 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
7355 (INIT_SECTION_ASM_OP): Delete.
7356 (FINI_SECTION_ASM_OP): Delete.
7357 (STARTFILE_SPEC): Define to hold just crtbegin.o.
7359 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
7361 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
7362 the abstract origin wasn't emitted.
7364 * dwarf2out.c (class_scope_p): New fn.
7365 (gen_subprogram_die): Use it.
7366 (gen_variable_die): Use it. Tweak logic.
7367 (gen_struct_or_union_type_die): Check context_die to determine
7368 if we're function-local.
7369 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
7371 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7373 * loop.c (check_dbra_loop): Can't reverse a biv that has
7376 1999-12-14 Nick Clifton <nickc@cygnus.com>
7378 * config/arm/arm.c: Add support for -mcpu=arm720 command line
7381 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7383 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
7384 for givs made from biv increments.
7386 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
7388 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
7389 * alpha.c (override_options): Recognize -mcpu=ev67.
7390 * alpha.h (CPP_CPU_EV67_SPEC): New.
7391 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
7392 (EXTRA_SPECS): Update.
7394 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
7396 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
7397 appropriate for -lang-c89 and -std=*.
7398 * cppinit.c (cpp_handle_option): Likewise.
7399 (new_pending_define): New, split out from cpp_handle_option.
7400 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
7401 or enable trigraphs for -ansi/-std=*.
7403 * ginclude/stdarg.h (__va_copy): New.
7404 (va_copy): Don't define for C89.
7406 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
7408 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
7409 for long long multiply-accumulate.
7411 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7413 * regclass.c (scan_one_insn): Set loop_cost to 1 when
7414 optimizing for size.
7416 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7418 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
7419 if something changed. Back out that part of yesterday's changes.
7421 * loop.c (loop_max_reg): New static variable.
7422 (loop_optimize): Initialize it. Eliminate one unnecessary call to
7424 (scan_loop): Call reg_scan_update whenever we may have added new
7425 registers, and update loop_max_reg.
7427 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7429 * regclass.c (record_reg_classes): Do not do the copying preferrencing
7430 when source does not die.
7432 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
7434 1999-12-14 Jakub Jelinek <jakub@redhat.com>
7436 * config/sparc/linux64.h (TARGET_LIVE_G0,
7437 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
7439 * config/sparc/linux.h (TARGET_LIVE_G0,
7440 TARGET_BROKEN_SAVERESTORE): Likewise.
7441 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
7442 TARGET_BROKEN_SAVERESTORE): Likewise.
7444 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
7445 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
7447 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
7448 as sparc64 block profiling register.
7449 * config/sparc/sparc.c (sparc_override_options): Allow block
7450 profiling with -m32.
7451 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
7453 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
7454 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
7455 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
7457 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
7459 * config/sparc/sparc.h: Likewise.
7460 * config/sparc/xm-sysv4-64.h: Likewise.
7461 * config/float-sparc.h: Likewise.
7462 * glimits.h: Likewise.
7463 * longlong.h: Likewise.
7465 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
7466 (ASM_IDENTIFY_GCC): Remove.
7468 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
7470 * combine.c (combine_simplify_rtx): Don't make shared rtl.
7471 (simplify_logical): Likewise.
7473 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
7475 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
7476 * cppfiles.c (INO_T_EQ): Likewise.
7478 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
7480 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
7481 * i386/mingw32.h (LIB_SPEC): Likewise.
7482 (STARTFILE_SPEC): Likewise.
7483 * i386/uwin.h (LIB_SPEC): Likewise.
7484 (STARTFILE_SPEC): Likewise.
7486 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
7487 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
7489 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
7491 * combine.c (combine_simplify_rtx): Fix order of checks for
7492 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
7494 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
7496 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
7497 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
7499 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
7501 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
7503 * regclass.c (inv_reg_alloc_order): New array.
7504 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
7506 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
7507 counted_for_groups, counted_for_nongroups. Add fields rld and
7509 * reload.c (push_secondary_reload): Don't set nongroup field of
7511 (push_reload): Likewise.
7512 (find_reloads): Delete code to compute nongroup fields.
7513 * reload1.c (reload_insn_firstobj): New static variable.
7514 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
7516 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
7517 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
7518 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
7520 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
7522 (struct hard_reg_n_uses): Deleted.
7523 (potential_reload_regs): Deleted.
7524 (init_reload): Initialize spilled_pseudos and pseudos_counted.
7525 (reload): Don't try to allocate reload registers if we already know
7526 we have to make another pass. Call select_reload_regs. Free memory
7527 starting with reload_firstobj when starting another pass.
7528 Don't allocate spilled_pseudos.
7529 (calculate_needs_all_insns): Call copy_reloads for an insn that
7530 needs reloads; don't call calculate_needs.
7531 (spill_cost): New static array.
7532 (used_spill_regs_local): New static variable.
7533 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
7534 to compute potential_reload_regs.
7535 (find_reload_regs): Completely rewritten to use find_reg.
7536 (allocate_reload_reg): Don't test counted_for_groups or
7537 counted_for_nongroups. Lose NOERROR arg and code to give an error;
7539 (choose_reload_regs): Add fallback code that uses the existing
7540 register allocation from find_reload_regs.
7542 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
7544 * flow.c (create_edge_list): Cast xmalloc return value.
7546 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
7548 * doprnt.c: Remove incorrect comment closure.
7550 * cse.c: Fix a few minor whitespace goofs.
7552 1999-12-13 Don Bowman <don@pixstream.com>
7554 * mips/vxworks.h: Fix problem with comment termination.
7555 (EXTRA_SECTIONS): Add in_sbss.
7556 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
7558 1999-12-12 David S. Miller <davem@redhat.com>
7560 * cse.c (struct cse_reg_info): Add hash_next member,
7561 reorder rest of struct for better packing on 64-bit
7563 (cse_reg_info_tree): Kill.
7564 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
7565 REGHASH_FN): New custom pow2 hash mechanism.
7567 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
7568 use a pow2 hash table.
7569 (get_cse_reg_info): Rework to use new REGHASH.
7570 (new_basic_block): Likewise, use HASH_SIZE, and inline
7572 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
7573 and inline free_element call.
7574 (lookup_as_function, insert, flush_hash_table, invalidate,
7575 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
7576 invalidate_for_call, use_related_value, find_comparison_args,
7577 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
7578 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
7581 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
7583 * cse.c (cse_basic_block): Free qty_table consistently.
7585 1999-12-12 David S. Miller <davem@redhat.com>
7586 Jakub Jelinek <jakub@redhat.com>
7588 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
7589 SUBREGs by hand, gen the appropriate hard reg directly.
7590 (movtf reg/mem split): Likewise and alter_subreg on destination
7592 (movtf mem/reg split): Similarly.
7593 (movdf_cc_sp64): Rename from hidden pattern.
7594 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
7595 (movtf_cc_sp64, following split): New pattern and splitter.
7596 (movdf_cc_reg_sp64): Rename from hidden pattern.
7597 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
7599 (movtf_cc_reg_sp64, following split): New pattern and splitter.
7601 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
7603 * loop.c (load_mems): Don't hoist written floating point mem
7606 1999-12-12 Mark Mitchell <mark@codesourcery.com>
7608 * except.h (struct eh_queue): Add `next' pointer.
7609 (struct eh_status): Make x_ehqueue a pointer.
7610 (push_ehqueue): Declare.
7611 (pop_ehqueue): Likewise.
7612 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
7614 (expand_fixup_region_end): Likewise.
7615 (expand_leftover_cleanups): Likewise.
7616 (push_ehqueue): Define.
7617 (pop_ehqueue): Likewise.
7618 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
7619 than doing it inline.
7620 (expand_start_all_catch): Adjust now that ehqueue is a
7622 (mark_eh_queue): Mark all level of the queue.
7623 (mark_eh_status): Adjust now that ehqueue is a
7625 (init_eh_for_function): Allocate ehqueue.
7626 (free_eh_status): Free it.
7627 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
7628 expansion for a fixup.
7630 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7632 * gthr-single.h (__gthread_active_p): Add prototype arguments.
7634 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
7635 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
7636 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
7637 function_ptr, getpagesize, __enable_execute_stack,
7638 __enable_execute_stack, __clear_insn_cache,
7639 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
7640 _cleanup, _exit, __default_terminate, __terminate_func,
7641 __terminate, __empty, __throw, new_eh_context,
7642 eh_context_initialize, eh_context_static, eh_context_specific,
7643 get_eh_context, __get_eh_context, __get_eh_info,
7644 init_reg_size_table, eh_threads_initialize,
7645 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
7646 __unwinding_cleanup, throw_helper, __throw, __rethrow,
7647 __pure_virtual): Add prototype arguments.
7648 (__bb_exit_func): Cast a sizeof to long when comparing against one.
7649 Cast a signed value to unsigned long when comparing against one.
7650 (new_eh_context): Wrap in _GTHREADS macro.
7651 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
7653 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
7654 (throw_helper): Initialize variables `handler_p' and `pc_p'.
7656 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7658 * combine.c (record_promoted_value): Remove unused variable
7661 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
7663 * global.c (record_conflicts): Likewise for `j'.
7665 * genoutput.c (output_insn_data): Don't unnecessarily cast away
7668 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7670 * i386-protos.h (output_387_binary_op, output_fix_trunc,
7671 output_fp_compare): Constify a char*.
7673 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
7675 (override_options, ix86_comp_type_attributes, print_operand,
7676 output_387_binary_op, output_fix_trunc, output_fp_compare):
7678 (ix86_sched_reorder): Mark parameter `clock_var' with
7681 * i386.h (DEBUG_PRINT_REG): Constify a char*.
7683 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
7685 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
7686 operand, for use in the Java front-end.
7688 1999-12-10 Ben Collins <bcollins@debian.org>
7690 * configure.in: Fix typo for "-64" in 64bit as check.
7691 * configure: Rebuilt.
7693 1999-12-10 Jakub Jelinek <jakub@redhat.com>
7695 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
7698 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7700 * c-parse.in (string): With -Wtraditional, warn if ANSI string
7701 concatenation is utilized.
7703 * invoke.texi (-Wtraditional): Document it.
7705 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7707 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
7708 Cast a ptrdiff_t to long and pass it to printf with %ld.
7710 1999-12-10 Geoff Keating <geoffk@cygnus.com>
7712 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
7713 68881, we have no 68881 registers at all.
7714 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
7715 value in a 68881 register if it is available.
7717 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
7719 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
7720 for long long multiply-accumulate.
7722 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
7724 * loop.c (insert_loop_mem): Undo last change.
7726 1999-12-10 David S. Miller <davem@redhat.com>
7728 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
7730 * config/sparc/sparc-protos.h: Add them.
7731 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
7732 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
7733 constraints which use those helpers.
7734 (EXTRA_CONSTRAINT): Use this new macro.
7735 * md.texi: Update sparc target constraints documentation.
7736 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
7737 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
7738 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
7739 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
7740 (movsf high/lo_sum split): Rework for new patterns.
7741 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
7743 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
7745 * c-common.c (c_common_nodes_and_builtins):
7746 Create __builtin_ptrdiff_t and __builtin_size_t.
7748 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
7750 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
7752 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7754 * regclass.c (globalize_reg): Re-instate test that allows
7755 fixed registers to be declared as a variable even after functions
7758 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7760 * i386.md (cpu attribute): Add "athlon".
7761 (athlon_decode): New attribute.
7762 (Athlon scheduling units definitions): New.
7763 (fcmp and shld patterns): Set athlon_decode to "vector".
7764 * i386.c (athlon_cost): New.
7766 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
7767 x86_use_sahf): Set for Athlon.
7768 (x86_use_fiop): Unset for Athlon.
7769 (override_options): Define Athlon alignments and "athlon" name.
7770 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
7771 * i386.h (TARGET_ATHLON): New.
7772 (enum processor_type): Add PROCESSOR_ATHLON.
7773 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
7775 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
7777 1999-12-09 Andreas Jaeger <aj@suse.de>
7779 * loop.c (record_biv): Declare parameter as int.
7781 * config/i386/i386-protos.h: Declare long_memory_operand.
7783 1999-12-09 Mark Mitchell <mark@codesourcery.com>
7785 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
7786 EXPR_WITH_FILE_LOCATION.
7788 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7790 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
7793 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
7795 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
7798 1999-12-09 Jakub Jelinek <jakub@redhat.com>
7800 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
7801 default on linux64 again.
7802 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
7803 models for multilibing.
7804 * genmultilib: Accept | as alternative separator within a set in
7807 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
7809 * calls.c (precompute_arguments): Make sure initial_value contains
7810 value pseudo which CSE expects.
7811 * cse.c (struct set): New entry orig_src.
7812 (cse_insn): Set it early on entry, use it for libcall EQUIV note
7815 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
7817 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
7819 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
7821 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
7823 1999-12-08 Jakub Jelinek <jakub@redhat.com>
7825 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
7826 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
7828 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
7831 * longlong.h: Merge in changes from glibc.
7832 Also don't clobber %g2 register in 32bit SPARC assembly, so that
7833 -mno-app-regs libgcc can be compiled.
7834 * libgcc2.c: Add defines so that the updated longlong.h
7835 can be used in libgcc2.a. Also, make sure on most architectures
7836 (at least on all which have optimized code in longlong.h defined
7837 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
7839 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7841 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
7842 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
7843 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
7845 * configure: Rebuilt.
7847 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
7849 * alpha.c (secondary_reload_class): For !BWX, sub-simode
7850 outputs require a register.
7852 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
7854 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
7855 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
7856 functions like dptoul will be resolved.
7857 (libgcc2.a): Make sure that the object files from DPBIT are named
7858 differently (prefix `_dp') from those that would be coming from
7861 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
7863 * configure.in: When target is sparc* and tm_file contains 64,
7864 test for 64bit support in assembler. If not supported, remove
7865 sparc/t-sol2-64 from target-dependent Makefile fragments.
7866 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
7867 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
7868 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
7869 * acconfig.h (AS_SPARC64_FLAG): Added.
7870 * configure, config.in: Rebuilt.
7871 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
7872 support. Use AS_SPARC64_FLAG.
7874 1999-12-07 Jakub Jelinek <jakub@redhat.com>
7876 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
7877 suitable for holding OFmode values so that gcc works with complex
7879 (hard_64bit_mode_classes): Likewise.
7881 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
7882 so that it is actually matched.
7883 (sethi_di_medlow): Likewise.
7885 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
7886 as legitimate constant if -mvis.
7887 * config/sparc/sparc.md (movtf): Likewise.
7888 (clear_sf): Use const_double_operand.
7889 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
7891 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
7892 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
7893 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
7894 routines, _Qp_* cannot be handled like that now.
7895 (INIT_TARGET_OPTABS): Likewise.
7896 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
7897 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
7898 sparc_emit_float_lib_cmp if ARCH64 and soft float.
7899 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
7900 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
7901 divtf3, sqrttf3): New expanders.
7902 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
7903 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
7904 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
7907 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
7908 * configure: Rebuilt.
7909 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
7910 -mcpu is given and we're doing 64bit compiles.
7912 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
7914 * loop.h (struct induction): Add multi_insn_incr.
7915 * loop.c (basic_induction_var): New multi_insn_incr argument.
7916 Set it if we search back through previous insns for the biv.
7917 (record_biv): New multi_insn_incr argument; fill in struct induction.
7918 (strength_reduce): Discard an iv with multiple bivs, any of
7919 which require multiple insns to increment.
7921 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7923 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
7926 1999-12-06 David S. Miller <davem@redhat.com>
7928 * combine.c (check_promoted_subreg): Do not conditionalize this upon
7929 PROMOTE_FUNCTION_RETURN.
7931 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
7933 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
7934 and handle REG_UNUSED note on insn.
7936 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
7937 inner_mask instead of mask.
7939 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
7941 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
7942 zero if there was an error.
7944 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7946 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
7949 * longlong.h: Fix clobbers in SPARC asm statements.
7951 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
7952 valid sethi operations when TARGET_ARCH64.
7954 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
7955 always use move_by_pieces to avoid infinite recursion.
7956 (restore_fixed_argument_area): Likewise.
7958 * combine.c (check_promoted_subreg, record_promoted_value): New
7960 (combine_instructions): Use them to retain nonzero and sign bit
7961 information after SUBREGs are eliminated by optimizations in
7962 this pass if PROMOTE_FUNCTION_RETURN.
7964 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
7965 .register declaration. Don't use variables with __ prefixes.
7967 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7969 * fold-const.c (optimize_bit_field_compare): Only use one mode
7970 for both RHS and LHS in non-constant case.
7972 1999-12-06 Nathan Sidwell <nathan@acm.org>
7974 * frame.c (start_fde_sort): Only allocate erratic array, if
7975 linear one was allocated. Return allocated flag.
7976 (fde_insert): Only insert, if there's a valid array.
7977 (fde_end_sort): Split, sort and merge if linear and erratic
7978 arrays exist, else just sort linear one.
7979 (search_fdes): New function. Linear search through original fde
7981 (frame_init): Permit multiple initializations. Cope with
7983 (find_fde): Fallback on linear search, if failed to sort array.
7984 (__deregister_frame_info): Only free sorted array, if we
7987 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7989 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
7991 1999-12-05 Jakub Jelinek <jakub@redhat.com>
7993 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
7995 1999-12-05 Mark Mitchell <mark@codesourcery.com>
7997 * tree.h (special_function_p): Declare.
7998 * calls.c (special_function_p): Make it global. Don't take `name'
7999 as a parameter. Fix typo in 1999-11-28 change.
8000 (expand_cal): Adjust.
8002 1999-12-04 Mark Mitchell <mark@codesourcery.com>
8004 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
8005 * tree.h (EXPR_WFL_FILENAME): Define in terms of
8006 EXPR_WFL_FILENAME_NODE.
8007 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
8009 * print-tree.c (print_note): Print TREE_PRIVATE and
8012 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
8013 the original die cannot be found.
8015 * varray.h (varray_head_tag): Add elements_used.
8016 (VARRAY_PUSH): New macro.
8017 (VARRAY_POP): Likewise.
8018 (VARRAY_TOP): Likewise.
8019 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
8021 * varray.c (varray_init): Initialize elements_used.
8022 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
8023 (INTEGRATE_H): New variable.
8024 (integrate.o): Depend on INTEGRATE_H.
8025 (unroll.o): Likewise.
8027 * function.h (insert_block_after_note): Declare.
8028 * function.c (insert_block_after_note): Split out from ...
8029 (retrofit_block): ... here.
8031 * stmt.c (expand_fixup): Fix typo in comment.
8033 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8035 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
8036 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
8037 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
8038 (regmove_optimize, fixup_match_1): Likewise.
8040 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8042 * flow.c (flow_loops_dump): Add missing argument when calling
8045 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
8046 Greg McGary <gkm@gnu.org>
8048 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
8049 (init_attributes): Add A_NO_LIMIT_STACK.
8050 (decl_attributes): Handle A_NO_LIMIT_STACK.
8051 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
8052 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
8053 Handle stack bounds checking.
8054 * flags.h (flag_stack_check): Use the word 'probe' rather than
8055 'check', because the flag doesn't actually cause any checking to
8057 * function.c (expand_function_start): Set
8058 current_function_limit_stack.
8059 * function.h (struct function): Add limit_stack.
8060 (current_function_limit_stack): Define.
8061 * invoke.texi (Code Gen Options): Document new options.
8062 * rtl.h: Declare stack_limit_rtx.
8063 * toplev.c (stack_limit_rtx): New variable.
8064 (decode_f_option): Handle new options -fstack-limit-register=REG,
8065 -fstack-limit-symbol=IDENT, -fno-stack-limit.
8066 (main): Add stack_limit_rtx as GC root.
8067 * tree.h (DECL_NO_LIMIT_STACK): New macro.
8068 (struct tree_decl): New member no_limit_stack.
8070 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
8072 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
8073 (conditional_trap+1): Get new mnemonic correct.
8074 (conditional_trap+2): New pattern for DImode traps.
8076 * config/m68k/m68k.c (output_function_prologue): Handle
8078 * config/m68k/m68k.md (trap): New insn.
8079 (conditional_trap): New insn.
8080 * md.texi (Standard Names): Document `trap' and
8082 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
8083 so a cc0 setter doesn't get emitted at some random place in the
8086 * config/i960/i960.md (trap): New insn.
8087 (conditional_trap): New expander.
8088 (conditional_trap+1, conditional_trap+2): New insns for signed
8090 * config/i960/i960.c (i960_function_prologue): Use
8091 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
8093 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
8094 Geoffrey Keating <geoffk@cygnus.com>
8096 * flags.h (warn_padded, warn_packed): Add global var decls.
8097 * toplev.c (warn_padded, warn_packed): Add global var defns.
8098 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
8099 * stor-layout.c (layout_record): Add local variable `type'
8100 to hold often-used TREE_TYPE (field). Add local variable
8101 `unpacked_align' to hold alignment that would be in force
8102 if no `packed' attribute were present. Warn if `packed' attribute
8103 is unnecessary, or even harmful. Warn when gcc inserts padding
8104 to satisfy alignment requirements of members. Use NULL_TREE
8105 when checking whether var_size is set.
8106 * invoke.texi: Document new flags.
8108 1999-12-03 Nathan Sidwell <nathan@acm.org>
8110 * frame.c (fde_split): Reimplement to avoid variable sized array.
8112 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8114 * combine.c (try_combine): Before fixing up LOG_LINKS for the
8115 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
8117 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
8119 * invoke.texi: Document the mips option -mno-crt0
8121 1999-12-02 Mike Karr <mkarr@mathworks.com>
8123 * cccp.c (argdata): Added free_ptr member.
8124 (macroexpand): Initialize free_ptr of each argument. When an
8125 argument's buffers are freed, if the argument's free_ptr corresponds
8126 to a buffer on the input stack, then return the free_ptr to that stack
8127 frame, otherwise, free it.
8128 (macarg): If an argument begins and ends on the same input stack level,
8129 then transfer the free_ptr of that buffer to the argument in case
8130 the stack is popped during the processing of a subsequent argument.
8132 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
8134 * loop.c (note_reg_stored): New function.
8135 (struct note_reg_stored_arg): New structure.
8136 (try_copy_prop): Change to be more conservative; only replace within
8137 one extended basic block and stop replacing if a store to the
8138 replacement reg is seen.
8140 1999-12-02 Nick Clifton <nickc@cygnus.com>
8142 * config/fp-bit.c: Initialise all fields of the NAN
8145 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
8148 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
8150 * i386.md (extend?f?f2): Force the input into a register, not
8153 1999-12-01 Jakub Jelinek <jakub@redhat.com>
8155 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
8157 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
8158 alternative because setting up 64bit constant is usually costly,
8159 especially when reload is in progress or completed.
8160 (movdf_const_intreg_sp64): Likewise.
8161 (movdf_const_intreg split): Fix building up constants when
8162 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
8164 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
8166 * combine.c (if_then_else_cond): Use const_true_rtx instead of
8167 const1_rtx for return values in EQ/NE comparison against (const_int 0)
8170 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
8171 (asm_file_start): Emit .am33 into assembly file when compiling for
8173 (print_operand_address): Handle POST_INC addresses.
8174 (can_use_return_insn, initial_offset): Check AM33 registers too.
8175 (expand_prologue): Check & save AM33 registers too.
8176 (expand_epilogue): Similarly.
8177 (secondary_reload_class): Handle AM33 specific secondary reloads.
8178 (output_tst): Emit efficient code for the AM33 too.
8179 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
8180 (TARGET_SWITCHES): Add -mam33 switch.
8181 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
8182 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
8183 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
8184 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
8185 (enum reg_class, REG_CLASS_NAMES): Likewise.
8186 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
8187 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
8188 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
8189 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
8190 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
8191 (HAVE_POST_INCREMENT): Define.
8192 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
8193 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
8194 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
8195 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
8196 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
8197 (zero_extend to SI from QI/HI): Likewise.
8198 (sign_extend to SI from QI/HI): Likewise.
8199 (mulsidi3, umulsidi3): New patterns for the AM33.
8200 (tstsi with zero extension from QI/HI): Add AM33 variants.
8201 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
8202 (return_internal_regs, store_movm): Handle new AM33 registers.
8203 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
8204 (LIBGCC, INSTALL_LIBGCC): Likewise.
8205 * invoke.texi: Document new flags.
8207 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8209 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
8210 (addsi3_carry): Likewise.
8211 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
8212 (sbbsi3_carry): Likewise.
8213 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
8215 (test?i_1): Ensure that only one operand is memory.
8216 (conditional move patterns): likewise.
8217 (shift and rotate patterns): Rewrite to expander, add
8218 "binary_operator_ok" to the condition.
8220 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
8221 * i386.h (procesor_costs): Add movzbl_load field.
8222 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
8223 non-Q registers, accept DImode registers anywhere.
8225 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
8226 * i386.c (*_cost): Set value for movxbl_load field.
8228 * (addsi): New add to lea splitter.
8230 (lea to add/shift peep2): New.
8232 1999-12-01 Mark Salter <msalter@cygnus.com>
8234 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
8235 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
8236 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
8238 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8240 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
8241 * i386.md (movsi_xor): New.
8243 (movsi_1, movhi_1, movqi_1): Remove.
8244 (movsi_2): Rename to movsi_1.
8245 (movhi_2): Rename to movhi_1.
8246 (movqi_2): Rename to movqi_1.
8247 (movdi_1): Remove; remove splitter.
8248 (movdi_2): Rename to movdi_1.
8249 (divmodsi4 splitter): Do not emit clobbers for move patterns.
8250 (long move peep2): Do not create QI or HI mode mov0s
8251 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
8253 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
8256 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
8257 (abs?f2_if): Likewise.
8259 1999-11-30 Alex Samuel <samuel@codesourcery.com>
8261 * ggc.h (ggc_test_and_set_mark): New macro.
8262 (ggc_mark_rtx): Use ggc_test_and_set_mark.
8263 (ggc_mark_tree): Likewise.
8264 (ggc_mark_rtvec): Likewise.
8265 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
8267 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
8269 * dwarf2out.c (scope_die_for): Only handle types. Only search for
8271 (decl_scope_table): Just an array of trees now.
8272 (push_decl_scope): Simplify.
8273 (dwarf2out_init): Adjust.
8274 (local_scope_p): New fn.
8275 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
8276 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
8277 (gen_typedef_die): Likewise.
8278 (gen_lexical_block_die): Don't call push/pop_decl_scope.
8279 (gen_inlined_subroutine_die): Likewise.
8280 (gen_abstract_function): Set current_function_decl temporarily.
8281 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
8282 Handle block extern declarations. Don't call push/pop_decl_scope.
8283 (gen_decl_die): Fix logic for block externs.
8285 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8287 * calls.c (special_function_p): Remove `realloc' and add `strdup'
8288 to the list of functions which have attribute malloc by default.
8290 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8292 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
8293 integer constant does not match the traditional type, limit the
8294 warnings to cases where the base of the type is ten.
8296 * invoke.texi (-Wtraditional): Document it.
8298 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8300 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
8301 * rs6000.md: Only access a CONST_INT with INTVAL
8303 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
8305 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
8306 (compute_nearerout): Likewise.
8307 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
8308 size_t to unsigned long for formatting.
8310 1999-11-30 Jakub Jelinek <jakub@redhat.com>
8312 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
8313 Allow the user to override call-used/fixed state of %g2-5
8314 registers from the command line (with the exception of %g4 for
8316 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
8317 there is a higher chance of having a leaf function.
8318 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
8319 for ARCH64 which has %ccr register.
8320 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
8322 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
8323 insn accept into delay slot any insn which does not use %[ol]
8324 registers. Accept some LO_SUM and shift left by 1 for the normal
8326 (output_function_epilogue): Likewise.
8327 (epilogue_renumber): Added argument which inhibits any renumbering
8328 and just tests if the rtx does not use any %[ol] registers.
8329 (output_return): Reflect above change.
8331 1999-11-30 Jakub Jelinek <jakub@redhat.com>
8333 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
8334 aggregate passing for sizes <= 16 bytes.
8336 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
8338 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
8339 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
8340 * reload.c (find_dummy_reload): Likewise.
8341 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
8342 * reload1.c (reload_as_needed): Likewise.
8343 * stupid.c (stupid_find_reg): Likewise.
8344 * tm.texi (Obsolete Register Macros): Delete section.
8345 * gmicro.h: Remove all traces of the two macros.
8350 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
8352 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
8353 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
8354 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
8355 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
8356 units for the sparclite86x chip.
8357 (flush): Revert October 14th change; add SImode specifically.
8358 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
8359 * invoke.texi: Document it.
8361 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
8363 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
8364 psimode_truncation_operand.
8366 * config/mn10200/mn10200.c (psimode_truncation_operand): New
8367 function. Return true if the operand is either a MEM valid
8368 for a PSImode address or not a MEM at all.
8370 * config/mn10200/mn10200.md (truncsipsi2): Use
8371 psimode_truncation_operand.
8373 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8375 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
8376 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
8377 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
8378 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
8379 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
8380 (flow_loop_level_compute, low_loops_level_compute): Likewise.
8381 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
8382 * basic-block.h: Protect from multiple inclusion.
8383 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
8384 (struct loops, struct loop): Define structures.
8385 * sbitmap.c (sbitmap_a_subset_b_p): New function.
8386 * sbitmap.h: Protect from multiple inclusion.
8387 (sbitmap_a_subset_b_p): Add prototype.
8388 * Makefile.in (LOOP_H): New macro.
8389 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
8391 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
8393 * cppinit.c (CAT): The argument list of this macro may not contain
8396 1999-11-29 David S. Miller <davem@redhat.com>
8398 Move quantity tables and register equivalence chains into
8399 per-qty and per-register structure arrays respectively.
8400 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
8401 qty_const_insn, qty_comparison_code, qty_comparison_const,
8402 qty_comparison_qty): Delete, replace with...
8403 (qty_table): this structure table.
8404 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
8405 (reg_eqv_table): this structure table.
8406 (make_new_qty): Add argument MODE. Caller updated.
8407 Update to use qty_table and reg_eqv_table.
8408 (make_regs_eqv, delete_reg_equiv, insert_regs,
8409 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
8410 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
8411 cse_process_notes, cse_main, cse_basic_block): Likewise.
8413 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8415 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
8416 operation if C is negative.
8417 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
8418 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
8419 law for some divisions if constant is negative and change other
8420 divisions to the opposite rounding.
8422 * expr.c (store_constructor_field): If bit position is not multiple
8423 of alignment of TARGET's mode, use BLKmode.
8425 * expr.c (expand_expr_unaligned): Add more code from full case
8426 that is needed when OP0 is in a register.
8428 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8430 * dwarfout.c (field_byte_offset): Size can be zero if there was
8433 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
8435 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
8436 (associate_trees): Delete unused var TEM.
8437 (extract_muldiv): Delete unused var CANCEL_P.
8439 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
8440 (target_isinf, target_isnan, target_negative): Add return types to
8441 function definitions.
8443 1999-11-29 Bruce Korb <autogen@linuxbox.com>
8445 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
8446 * fixinc/hackshell.tpl: ditto
8447 * fixinc/fixtests.c(double_slash_test): more C++ header testing
8448 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
8450 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
8452 * reload.c (push_reload): When looking for a register to put into
8453 reg_rtx, make sure all hard regs in a multi-reg register are in the
8454 right class and nonfixed.
8456 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
8457 pending_read_insns, pending_write_insns, pending_read_mems,
8458 pending_write_mems, pending_list_length, last_pending_memory_flush,
8459 last_function_call, sched_before_next_call): Move static variables
8461 (bb_ prefixed versions): Replace with single array bb_deps.
8462 (struct deps): New structure.
8463 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
8464 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
8465 argument of type "struct deps *"; use that instead of global
8466 variables. All callers changed.
8467 (init_rgn_data_dependencies): Delete function.
8468 (init_rtx_vector): Delete function.
8469 (init_deps): New function.
8471 (free_pending_lists): Simplify, we always use the bb_deps array even
8472 if only one basic block.
8473 (compute_block_backward_dependences): Likewise.
8474 (schedule_region): Likewise.
8476 (propagate_deps): New function, broken out of
8477 compute_block_backward_dependences.
8478 (compute_block_backward_dependences): Use it.
8480 * alpha.md: Delete useless patterns that tried to work around
8481 register elimination problems.
8483 * unroll.c (loop_iterations): Don't abort if iteration variable
8486 From Joern Rennecke:
8487 * reload1.c (reloads_conflict): Reverse test comparing operand
8488 numbers when testing for conflict between output/outaddr reloads.
8490 1999-11-29 David S. Miller <davem@redhat.com>
8492 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
8494 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
8496 1999-11-28 Robert Lipe <robertl@cygnus.com>
8498 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
8499 table from .fini into .dtor.
8501 1999-11-28 Anthony Green <green@cygnus.com>
8503 * tree.h (struct tree_decl): Add malloc_flag.
8504 (DECL_IS_MALLOC): Define.
8505 * c-common.c (attrs): Add A_MALLOC attribute.
8506 (init_attributes): Add this attribute to the table.
8507 (decl_attributes): Handle malloc attribute.
8508 * calls.c (special_function_p): Check for the malloc attribute.
8509 * extend.texi (Function Attributes): Document malloc attribute.
8511 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
8513 * pa.md (reload shift-add patterns): Remove.
8515 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8517 * reorg.c (dbr_schedule) Print more statistics. Corrected
8518 problem when printing info when 3 delay slots are filled.
8520 1999-11-28 Jakub Jelinek <jakub@redhat.com>
8522 * combine.c (setup_incoming_promotions): Pass an outgoing
8523 regno to FUNCTION_ARG_REGNO_P which it expects.
8525 1999-11-28 Andreas Jaeger <aj@suse.de>
8527 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
8529 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
8531 * cccp.c (do_include): Avoid initialization of automatic variable.
8533 * integrate.c (mark_stores): Function definition made void, to match
8534 previous declaration.
8535 * regclass.c (dump_regclass): Ditto.
8536 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
8538 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8540 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
8541 known to be multiple of divisor.
8543 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
8545 * combine.c (try_combine): Add code to try to merge a set of a
8546 two-word pseudo to a constant with a setting of one of those words
8549 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
8550 (split_tree): Completely rework to make more general.
8551 (make_range, fold): Call negate_expr.
8552 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
8553 (fold, associate): Call new split_tree and associate_trees.
8554 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
8556 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
8558 * loop.c (try_copy_prop): Avoid GNU C extension.
8560 1999-11-25 Mark Mitchell <mark@codesourcery.com>
8562 * except.c (init_eh_for_function): Still zero eh_return_context,
8563 eh_return_stack_adjust, and eh_return_handler.
8565 * except.h (eh_status): Adjust documentation for x_protect_list.
8566 (begin_protect_partials): New function.
8567 * except.c (enqueue_eh_entry): Fix formatting.
8568 (get_first_handler): Add consistency check.
8569 (add_partial_entry): Adjust usage of protect_list.
8570 (emit_cleanup_handler): Save and restore ehqueue.
8571 (expand_start_all_catch): Add comment.
8572 (begin_protect_partials): New function.
8573 (end_protect_partials): Adjust usage of protect_list.
8574 (init_eh_for_function): Use xcalloc.
8576 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8578 * c-common.c (check_format_info): Don't call a variadic function
8579 with a non-literal format string.
8581 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
8583 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
8584 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
8587 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
8590 * collect2.c (collect_wait): Likewise.
8592 * dbxout.c (dbxout_type): Likewise.
8594 * gcc.c (do_spec_1): Likewise.
8596 * genemit.c (gen_insn, gen_expand): Likewise.
8598 * genrecog.c (write_switch, write_subroutine): Likewise.
8600 * mips-tfile.c (catch_signal, botch): Likewise.
8602 * print-rtl.c (print_rtx): Likewise.
8604 * toplev.c (default_print_error_function, report_error_function,
8605 _fatal_insn): Likewise.
8607 1999-11-25 Mark Mitchell <mark@codesourcery.com>
8609 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
8611 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8613 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
8614 operations when needed.
8615 * i386.md (fop_?f_comm): New.
8616 (fop_?f_1): Do not accept commutative operands.
8618 1999-11-25 Andreas Jaeger <aj@suse.de>
8620 * config/mips/mips.md (casesi_internal): Add missing brace.
8622 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
8624 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
8625 (splice_child_die): Handle moving a child DIE from the declaration
8626 DIE of a class to its specification.
8627 (gen_struct_or_union_type_die): Use 'complete' consistently.
8628 (gen_decl_die): Generate the virtual context DIE first.
8629 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
8631 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
8633 * config/mips/mips.md (call_value_multiple_interanal1): New.
8635 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
8637 * dwarf2out.c (free_AT, free_die): New fns.
8638 (remove_children): Call them.
8639 (output_line_info): Disable removal of duplicate notes.
8641 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
8642 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
8643 means pretend the type isn't defined.
8644 Don't defer emitting types.
8645 (gen_type_die_for_member): New fn.
8646 (gen_decl_die): Call it.
8647 (splice_child_die): New fn.
8648 (gen_member_die): Call it rather than generate duplicate dies.
8650 Defer emitting information for the abstract instance of an inline
8651 until we either inline it or emit an out-of-line copy.
8652 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
8653 from output_inline_function if DECL_ABSTRACT is also set.
8654 (block_ultimate_origin): Likewise.
8655 (gen_abstract_function): New fn.
8656 (gen_decl_die, gen_inlined_subroutine_die): Call it.
8657 (gen_subprogram_die): An abstract instance is not a declaration
8658 just because it doesn't match current_function_decl. Don't abort
8659 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
8660 has an abstract origin.
8661 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
8662 abstract instance here.
8664 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
8666 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
8667 where we need to reload fpul from a system register.
8669 1999-11-24 Andreas Jaeger <aj@suse.de>
8671 * config/mips/linux.h (CPP_PREDEFINES): Added.
8672 (LINK_SPEC): Remove -Y since this is only needed on sparc.
8674 1999-11-24 Andreas Jaeger <aj@suse.de>
8676 * config/mips/linux.h (TARGET_VERSION): Added.
8677 (HANDLE_SYSV_PRAGMA): Added.
8678 (DEFAULT_VTABLE_THUNKS): Added.
8680 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8682 * local-alloc.c (qty): New structure and static variable.
8683 (qty_phys_reg): Remove, all references changed to qty.
8684 (qty_n_refs): Likewise.
8685 (qty_min_class): Likewise.
8686 (qty_birth): Likewise.
8687 (qty_death): Likewise.
8688 (qty_size): Likewise.
8689 (qty_mode): Likewise.
8690 (qty_n_calls_crossed): Likewise.
8691 (qty_alternate_class): Likewise.
8692 (qty_changes_size): Likewise.
8693 (qty_first_reg): Likewise.
8694 (alloc_qty): Rename variable QTY to QTYNO.
8695 (finf_free_reg): Likewise.
8696 (local_alloc): Allocate qty, do not allocate the removed variables.
8698 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
8700 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
8701 when -membedded-pic is passed.
8703 * config/mips/mips.md (casesi): Handle 64-bit case too.
8704 (casesi_internal_di): New insn.
8706 * config/mips/mips.c (embedded_pic_offset): Always make the
8707 embedded-pic subtractions relative to the name of the current
8708 function by use of the magic string "..CURRENT_FUNCTION".
8709 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
8711 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
8713 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
8714 of (const_int 0), when what we really care about is
8715 whether it's a zero constant anyway.
8716 (div_trap_mips16): Likewise.
8718 1999-11-23 Mark Mitchell <mark@codesourcery.com>
8720 * loop.c (loop_optimize): Always find_loop_tree_blocks and
8721 unroll_block_trees when generating debuggable code.
8723 * tree.h (unsave_expr_1): New function.
8724 (lang_unsave): New variable.
8725 (get_callee_fndecl): New function.
8726 * tree.c (unsave_expr_now_r): New function.
8727 (lang_unsave): Define.
8728 (unsave_expr_1): Likewise.
8729 (unsave_expr_now_r): Split out from unsave_expr_now.
8730 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
8731 call unsave_expr_now_r.
8732 (get_callee_fndecl): Define.
8734 * Makefile.in (gencheck): Don't depend on lang_tree_files.
8735 (gencheck.o): Do depend on lang_tree_files.
8737 * integrate.h (copy_decl_for_inlining): New declaration.
8738 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
8739 (copy_decl_for_inlining): New function.
8740 (integrate_parm_decls): Use it.
8741 (integrate_decl_tree): Likewise.
8743 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
8745 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
8746 the second two from the first.
8747 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
8748 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
8749 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8751 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
8752 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
8755 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
8757 * pa.md (call_internal_symref, call_value_internal_symref): No mode
8758 needed on the address operand.
8759 * pa.c (call_operand_address): Check for the correct mode.
8761 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
8763 * loop.c: Include "basic-block.h".
8764 (try_copy_prop, replace_loop_reg): New functions.
8765 (load_mems): Detect registers that just hold copies of the hoisted
8766 mem, and call try_copy_prop to eliminate them.
8767 * Makefile.in (loop.o): Update dependencies.
8769 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
8771 * Makefile.in (gencheck.o): Depend on gencheck.h.
8772 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
8773 (insn-peep.o): Depend on except.h and function.h.
8774 (insn-attrtab.o): Depend on RECOG_H.
8775 (insn-output.o): Depend on toplev.h and flags.h.
8776 (gengenrtl.o): Depend on real.h.
8777 (gen-protos.o): Depend on cpplib.h and cpphash.h.
8778 Unify all dependencies to be on RECOG_H rather than recog.h.
8780 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8782 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
8783 * configure.in: Try building a bi-arch 32/64-bit compiler on
8784 sparc-*-solaris2.7 and higher.
8785 * configure: Rebuild.
8787 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
8789 * config/freebsd.h: New, FreeBSD architecture independent file.
8790 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
8792 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
8793 directly by i386/freebsd.h.
8794 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
8795 independent configuration file.
8796 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
8797 directly by i386/freebsd.h.
8798 * configure: Rebuilt.
8800 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
8801 which is in the user's namespace.
8802 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
8803 `i386' which is not in our namespace.
8805 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
8807 * invoke.texi (ARM Options): Add in -mno-alignment-traps
8809 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
8811 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
8812 (add_dwarf_attr, add_child_die): Just push onto the front.
8813 (reverse_die_lists): New fn.
8814 (add_sibling_attributes): Use it.
8815 (push_decl_scope): Reorganize.
8816 (add_name_and_src_coords_attributes): Don't set file and line for
8818 (gen_subprogram_die): An artificial function doesn't need to match
8820 (gen_compile_unit_die): Return the generated die. Only add
8821 AT_comp_dir if the filename is relative.
8822 (remove_AT): Simplify loop. Also free string values.
8823 (output_die): A DIE ref can't be null.
8824 (output_value_format, value_format): Take a dw_attr_ref.
8825 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
8826 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
8827 AT_addr, AT_lbl): New fns.
8828 (various): Use them.
8829 (various): Constify.
8831 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8833 * combine.c (combine_simplify_rtx): When handling a SUBREG,
8834 take SUBREG_WORD into account.
8835 (if_then_else_cond): Likewise.
8837 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
8839 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
8840 clause from BSD license, pursuant with
8842 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
8844 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
8846 * loop.c (load_mems): Reformat slightly.
8847 * basic-block.h (regset_head): New typedef.
8848 (INIT_REG_SET): New macro.
8850 1999-11-22 Bruce Korb <autogen@linuxbox.com
8852 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
8853 (mips-dec-bsd*): non-functional code
8854 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
8856 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
8857 added three replacement fixes
8858 (no_double_slash): removed comments that are not (any longer) pertinent
8859 (bad_lval): this fix currently runs against many files.
8860 The comment seems to indicate that we should select for files
8861 containing 'pragma extern_prefix'.
8863 * fixinc/fixinc.x86-linux-gnu: deleted
8864 * fixinc/inclhack.sh: regen
8865 * fixinc/fixincl.x: regen
8866 * fixinc/fixincl.sh: regen
8868 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
8870 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
8871 its code is INSN and it has no notes.
8873 1999-11-22 Andrew Haley <aph@cygnus.com>
8875 * varasm.c (function_defined): Remove.
8876 (make_function_rtl): Don't set function_defined.
8877 (make_decl_rtl): Remove global register warning.
8878 * regclass.c (no_global_reg_vars): New variable.
8879 (globalize_reg): Warn if function has already been defined.
8880 (regclass_init): Set no_global_reg_vars.
8882 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
8884 * regclass.c (reg_pref): New structure and static variable
8885 (prefclass): Delete.
8887 (all uses of prefclass and altclass): Use reg_pref instead.
8889 1999-11-21 Nick Clifton <nickc@cygnus.com>
8891 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
8893 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
8894 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
8895 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
8897 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
8899 * varasm.c (output_constructor): Solve problem with long long
8900 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
8902 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8904 * global.c (allocno): New structure and static variable.
8905 (allocno_reg): Remove, all references replaced by allocno.
8906 (allocno_size): Likewise.
8907 (hard_reg_conflicts): Likewise.
8908 (hard_reg_preferences): Likewise.
8909 (hard_reg_copy_preferences): Likewise.
8910 (hard_reg_full_preferences): Likewise.
8911 (regs_someone_prefers): Likewise.
8912 (allocno_calls_crossed): Likewise.
8913 (allocno_n_refs): Likewise.
8914 (allocno_live_length): Likewise.
8915 (find_reg): Rename ALLOCNO to NUM.
8917 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
8919 (may_move_out_cost): New variable.
8920 (init_reg_sets_1): Initialize may_move_out_cost.
8921 (record_reg_classes): Use may_move_out_cost.
8923 * regclass.c (dump_regclass): New function.
8924 (regclass): New parameter DUMP, call DUMP_REGCLASS.
8925 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
8926 pass rtl_dump_file to regclass.
8927 * rtl.h (regclass): Update prototype.
8929 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8931 * i386.md (neg, not and abs patterns): Revmap to use
8932 ix86_expand_unary_operator and ix86_unary_operator_ok.
8933 (add?f and sub?f expanders): Force operand 1 to register.
8934 * i386.c (ix86_expand_unary_operator): Rewrite.
8935 (ix86_unary_operator_ok): Ensure that memory operands
8937 (ix86_binary_operator_ok): Do not allow operand 1 to
8938 come into memory and operand 0 not.
8939 (ix86_expand_binary_operator): Ensure that
8940 src1 is not non-matching memory.
8942 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
8943 to support integer registers and memory.
8944 (abss?2_integer): Likewise.
8946 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
8947 (REG_CLASS_NAMES): Likewise.
8948 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
8950 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
8951 (movsf): Likewise; unify 4th and 5th alternative.
8953 (movdf_1): Likewise; rename to movdf_integer.
8954 (pushxf): Likewise; rename to pushxf_integer; fix output template;
8955 remove redundant splitter.
8956 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
8957 (movdf_nointeger): New.
8958 (movxf_nointeger): New.
8959 (pushxf_nointeger): New.
8961 * i386.md (extend?f?f): Split to expander and pattern, refuse two
8962 memory operands in patterns.
8963 (fop*): Refuse two memory operands.
8965 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
8966 on !TARGET_USE_CLTD CPUs.
8968 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
8970 * extend.texi: Document C++ restricted pointers and references.
8972 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
8974 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
8975 (invalidate_skipped_set): Call it unconditionally.
8976 (cse_set_around_loop): Likewise.
8978 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
8980 * rtl.texi (mem): Add documentation for alias-set argument
8983 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8985 * i386.h (struct_processor_costs): New fields int_load, int_store,
8986 fp_move, fp_load and fp_store
8987 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
8989 (MEMORY_MOVE_COST): New macro.
8990 * i386.c (386_cost): Define new fields.
8991 (i486_cost): Likewise.
8992 (pentium_cost): Likewise.
8993 (pentiumpro_cost): Likewise.
8994 (k6_cost): Likewise.
8996 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
8997 Geoffrey Keating <geoffk@cygnus.com>
8999 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
9001 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
9004 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
9005 (TARGET_STRICT_ALIGNMENT): New macro.
9006 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
9007 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
9008 * invoke.texi (M680x0 Options): Document -mstrict-align.
9010 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
9011 Richard Henderson <rth@cygnus.com>
9013 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
9014 (ix86_split_long_move): Declare.
9015 * i386.c (split_xf, ix86_split_movdi): Remove.
9016 (ix86_split_to_parts, ix86_split_long_move): New.
9017 * i386.md (dimode move splitters): Use ix86_split_long_move.
9018 (dfmode move splitters): Likewise.
9019 (xfmode move splitters): Likewise.
9020 (movsf_1): Allow F->r.
9021 (movdf_1, movxf_1): Allow F->ro.
9023 1999-11-17 Mark Mitchell <mark@codesourcery.com>
9025 * except.h (struct eh_entry): Add goto_entry_p.
9026 (eh_region_from_symbol): Remove prototype.
9027 * except.c (find_func_region_from_symbol): New function.
9028 (emit_cleanup_handler): Likewise.
9029 (eh_region_from_symbol): Make it static.
9030 (add_new_handler): Verify the argument.
9031 (find_func_region): Update comment.
9032 (expand_eh_region_end): Expand handlers here, rater than waiting
9033 until expand_leftover_cleanups or start_all_catch.
9034 (expand_leftover_cleanups): Don't expand here.
9035 (expand_start_all_catch): Or here.
9036 (expand_rethrow): Check the return value from find_func_region.
9037 * function.c (expand_function_end): Emit the catch_clauses.
9039 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
9041 * integrate.c (expand_inline_function): Add necessary check for NULL.
9043 1999-11-18 Nick Clifton <nickc@cygnus.com>
9045 * toplev.c (main): Correctly detect an unrecognised option.
9047 * cppinit.c (cpp_handle_option): Do not claim to have consumed
9048 a -f option if it has not been recognised.
9050 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
9052 * basic-block.h (update_life_extent): Remove trailing comma on
9053 enumeration type list.
9055 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9057 * varasm.c (output_constructor) Solved problem with long long
9058 bitfields. Corrected calculating this_time and shift. Also
9059 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
9061 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
9063 * flow.c (split_edge): Take looping structure into account when
9064 determining where to put the new block note.
9066 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
9068 * Makefile.in (ggc-none.o): Provide host specific version if
9071 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
9073 * cse.c (delete_trivially_dead_insns): Identify no-op insns
9074 containing subregs too.
9076 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
9078 * invoke.texi: Add documentation for -muninit-const-in-rodata.
9079 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
9080 (TARGET_UNINIT_CONST_IN_RODATA): Define.
9081 (text_section): Add switches -munint-const-in-rodata and
9082 -mno-uninit-const-in-rodata.
9083 (ASM_OUTPUT_COMMON): Remove.
9084 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
9085 const objects should be placed in read-only data. Otherwise declare
9088 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
9090 * jump.c (jump_optimize_1): Revert last change.
9092 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
9094 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
9095 test if optimizing for size.
9097 1999-11-17 Mark Mitchell <mark@codesourcery.com>
9099 * Makefile.in (toplev.o): Depend on except.h.
9100 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
9102 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
9104 * i386.md (divmodsi4): Rewrite to expander.
9105 (*divmodsi4_nocltd): New.
9106 (*divmodsi4_cltd): New.
9107 (divmodsi4 splitter): Handle the case when input comes in edx.
9108 (udivmodhi4): Do not use constraints in exander.
9109 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
9111 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
9113 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
9114 for the common case.
9116 1999-11-16 Jakub Jelinek <jakub@redhat.com>
9118 * explow.c (hard_function_value): Add outgoing argument.
9119 * expr.h (hard_function_value): Declare it.
9120 * calls.c (expand_call, emit_library_call_value): Update callers.
9121 * function.c (aggregate_value_p): Ditto.
9122 (diddle_return_value): Must look at the outgoing registers
9123 on archs with register windows.
9125 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
9127 * alpha.c (alpha_build_va_list): Use make_lang_type and
9128 initialize TYPE_NAME for the va_list record.
9130 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
9132 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
9134 * ggc.h (struct ggc_statistics): Rearrange elements for better
9135 packing on 64-bit hosts.
9136 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
9137 (compute_nearerout): Likewise.
9139 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
9141 * config/rs6000/rs6000.c (first_reg_to_save): Save
9142 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
9144 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
9146 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
9147 notion of nesting to find the DIE for a type or function.
9148 DIEs can go in limbo even if we got a context_die.
9149 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
9150 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
9152 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
9153 (gen_type_die): Writing out the context doesn't cause member class
9154 template instantiations to be written out as well.
9156 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
9158 * rs6000.h (ASM_OUTPUT_DEF): New.
9159 Based on proposed addition from David Edelsohn.
9161 1999-11-15 Robert Lipe <RobertLipe@usa.net>
9162 Bruce Korb <autogen@linuxbox.com>
9164 * fixinc/inclhack.def
9165 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
9166 (unixware7_byteorder_fix): added. Removes conflicts for new defs
9168 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
9169 (svr4_endian): enabled with SVR5
9170 (svr4_mkdev): simplified syntax and enabled with SVR5
9172 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
9174 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
9175 * configure: Rebuilt.
9176 * config/t-freebsd-thread: New file.
9178 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
9180 * i386.c (ix86_decompose_address): Verify the base is a REG
9181 before trying to examine its register number.
9183 * basic-block.h: Remove all #defines and prototypes related to
9185 (free_bb_mem, compute_preds_succs): Remove prototype.
9186 * rtl.h (free_bb_mem): Remove prototype.
9187 * flow.c (alloc_int_list_node); Remove function.
9188 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
9189 (compute_preds_succs, free_bb_mem): Likewise.
9190 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
9191 * toplev.c (rest_of_compilation): Likewise.
9192 * haifa-sched.c (build_control_flow): Use flow generated edge
9193 list to build the haifa specific edge list.
9194 (find_rgns): Use new CFG data structures instead of pred/succ lists.
9195 (schedule_insns): Do not build pred/succ lists anymore. Instead
9196 build the edge table.
9198 * basic-block.h (dump_bb_data): Remove declaration.
9199 * flow.c (dump_bb_data): Remove function.
9200 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
9201 (sbitmap_union_of_predsucc): Likewise.
9203 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
9204 argument. All callers changed.
9205 (delete_null_pointer_checks_1): No longer need to compute the
9208 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
9209 All callers changed.
9210 (pre_expr_reaches_here_p_work): Likewise.
9211 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
9212 * lcm.c (compute_laterin): Fix initialization of LATER.
9213 (compute_nearerout): Similarly for NEARER.
9215 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9217 * cse.c (set_nonvarying_address_components): Delete unused function.
9218 (refers_to_p): Likewise.
9220 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
9222 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
9225 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9227 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
9228 definition in do while (0).
9230 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
9232 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
9234 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
9236 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
9238 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
9240 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
9241 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
9242 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
9243 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
9245 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
9246 saved on the stack. Output more accurate stack frame statistics
9247 into assembler file.
9249 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
9251 * genextract.c (record_insn_name): New function.
9252 (get_insn_name): No longer a stub.
9253 (main): Call record_insn_name for each insn. After each label
9254 written, print the insn name in a comment.
9256 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9258 * output.h (const_section, init_section, fini_section): Add
9261 * alpha/elf.h (const_section): Delete declaration.
9263 * svr4.h (const_section): Likewise.
9265 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
9267 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
9268 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
9269 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
9271 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
9272 variable-sized array bounds.
9274 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
9276 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
9279 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9281 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
9282 addresses the same way GO_IF_LEGITIMATE_INDEX does.
9284 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9286 * cse.c (hash_arg_in_struct): Delete.
9287 (struct table_elt): Delete elt in_struct.
9288 (struct set): Delete elt src_in_struct.
9289 (merge_equiv_classes): Don't set either hash_arg_in_struct or
9290 the corresponding in_struct elts.
9291 (canon_hash): Likewise.
9292 (safe_hash): Likewise.
9293 (find_best_addr): Likewise.
9294 (record_jump_cond): Likewise.
9295 (cse_insn): Likewise.
9297 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
9299 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
9301 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
9304 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
9306 * function.c (diddle_return_value): Put back check that the DECL_RTL
9307 for the function is a register.
9309 * function.c (diddle_return_value): Use hard_function_value to
9310 get an rtx suitable for use in the USE/CLOBBER insn.
9312 * global.c (global_conflicts): Update comments.
9313 (record_conflicts): No need to record conflicts between pseudos here.
9315 1999-11-11 Bruce Korb <autogen@linuxbox.com>
9317 * fixinc/fixincl.c: Added verbose levels for status messages
9319 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9321 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
9322 operand as argument to expand_and or expand_binop.
9324 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
9326 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
9327 gcc_add_string_root.
9329 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
9331 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
9333 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
9335 * flow.c (compute_flow_dominators): Initially put all blocks on
9337 * lcm.c (compute_antinout_edge, compute_available): Similarly.
9338 * gcse.c (compute_cprop_avinout): Remove.
9339 (compute_cprop_data): Use compute_available.
9340 (delete_null_pointer_checks_1): Use compute_available.
9342 * basic-block.h (compute_available): Returns a void now.
9343 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
9344 to return a value anymore.
9345 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
9346 worklists. Fix boundary cases. Compute maximal solutions.
9347 (compute_laterin, compute_nearerout): Similarly.
9349 * dwarf2out.c (add_AT_location_description): Allow
9350 (mem (plus (pseudo) (...)) too.
9352 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
9354 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
9356 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
9357 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9359 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
9361 * gansidecl.h: Likewise.
9367 * toplev.h: Likewise.
9373 * varray.c: Likewise.
9375 * varray.h: Likewise.
9377 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
9379 * gcov.c (struct arcdata): Add hits and total, remove prob.
9380 (output_branch_counts): New.
9381 (process_args): Set output_branch_counts if -c.
9382 (calculate_branch_probs): Store hits and total instead of
9384 (output_data): Emit counts if output_branch_counts is true.
9385 * gcov.texi (Invoking Gcov): Document -c switch..
9387 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
9389 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
9390 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
9392 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
9394 * invoke.texi (C Dialect Options): Add missing builtins from
9396 * extend.texi (Other Builtins): Copy to this list.
9398 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9400 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
9401 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
9404 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
9406 * flow.c (compute_flow_dominators): No longer treat basic block 0
9407 or (n_basic_blocks - 1) specially. Clear the AUX field before
9408 starting computation of doms/pdoms. Fix initial state for pdoms.
9410 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9412 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
9413 match rtl.o's: added ggc.h and toplev.h
9414 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
9415 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
9416 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
9418 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
9420 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
9421 from HAVE_DOS_BASED_FILESYSTEM.
9422 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
9423 HAVE_DOS_BASED_FILESYSTEM.
9425 (split_directories): Only special-case DOS file names if
9426 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
9427 instead of explicit tests. Conditionalize on !VMS.
9428 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
9429 tests. Conditionalize on !VMS.
9430 (process_command): Only use make_relative_prefix if !VMS.
9431 (free_split_directories): Conditionalize on !VMS.
9432 (DIR_UP): Conditionalize on !VMS.
9434 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
9436 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
9438 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
9440 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
9443 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
9445 * invoke.texi (Environment Variables): Document relative path
9447 * gcc.c (DIR_UP): If not defined, define as "..".
9448 (standard_bindir_prefix): New static, holds target location to
9450 (split_directories): New function to split a filename into
9451 component directories.
9452 (free_split_directories): New function, release memory allocated
9453 by split_directories.
9454 (make_relative_prefix): New function, make a relative pathname if
9455 the compiler is not in the expected location.
9456 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
9457 can figure out an appropriate prefix from argv[0].
9458 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
9459 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
9460 STANDARD_BINDIR_PREFIX.
9462 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9464 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
9466 * config/c4x/c4x.h: Moved prototypes to c4x.h.
9467 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
9468 c4x_secondary_memory_needed) Delete.
9469 (fp_zero_operand): Add mode argument.
9471 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
9473 * reload1.c (reload_reg_free_for_value_p): Don't use a register
9474 that is in reload_reg_used.
9476 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
9478 * config/arm/arm-protos.h: New file: Prototypes for functions
9479 defined in arm.c and pe.c.
9480 * config/arm/arm.h: Fix compile time warnings.
9481 * config/arm/arm.c: Fix compile time warnings.
9482 * config/arm/pe.h: Fix compile time warnings.
9483 * config/arm/aout.h: Fix compile time warnings.
9485 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
9487 * config/m32r/m32r-protos.h: New file: Prototypes for functions
9490 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
9491 Add support for subtargets.
9492 Add prototypes for new predicates.
9493 Add scheduling macros.
9495 * config/m32r/m32r.c: Fix compile time warnings.
9496 (int8_operand): New predicate function.
9497 (reg_or_cmp_int16_operand): New predicate function.
9498 (extend_operand): New predicate function.
9499 (m32r_adjust_code): New scheduling function.
9500 (m32r_adjust_priorty): New scheduling function.
9501 (m32r_sched_init): New scheduling function.
9502 (m32r_sched_reorder): New scheduling function.
9503 (m32r_sched_variable_issue): New scheduling function.
9504 (direct_return): New codegen function.
9505 (m32r_not_same_reg): New rtl testsing function.
9507 * config/m32r/m32r.md: Fix compile time warnings.
9508 Add support for pre decrement and post increment memory
9513 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9515 * global.c (EXECUTE_IF_CONFLICT): Don't define.
9516 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
9517 (find_reg): Likewise.
9519 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
9521 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
9522 to avoid assembler errors.
9524 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
9526 * config/v850/v850-protos.h: New file: Prototypes for functions
9528 * config/v850/v850.h: Move prototypes to v850-protos.h
9529 * config/v850/v850.c: Move prototypes to v850-protos.h
9530 * config/v850/v850.md: Fix compile time warnings.
9532 * config/fr30/fr30-protos.h: New file: Prototypes for functions
9534 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
9535 * config/fr30/fr30.c: Fix compile time warnings.
9536 * config/fr30/fr30.md: Fix compile time warnings.
9538 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
9540 * tree.h (get_containing_scope): Declare it.
9541 * tree.c (get_containing_scope): New fucntion.
9542 (decl_function_context): Use it.
9543 * toplev.c (rest_of_compilation): Use get_containing_scope.
9545 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9547 * Makefile.in (rtl.o): Depend on toplev.h.
9549 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
9551 * cse.c (delete_trivially_dead_insns): Replace alloca with
9553 * except.c (update_rethrow_references): Likewise.
9554 (init_eh_nesting_info): Likewise.
9555 * function.c (identify_blocks): Likewise.
9556 * gcse.c (dump_hash_table): Likewise.
9557 * graph.c (print_rtl_graph_with_bb): Likewise.
9558 * loop.c (combine_movables): Likewise.
9559 (move_movables): Likewise.
9560 (count_loop_regs_set): Likewise.
9561 (strength_reduce): Likewise.
9562 * profile.c (compute_branch_probabilities): New function, split
9564 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
9565 * regclass.c (regclass): Likewise.
9566 * regmove.c (regmove_optimize): Likewise.
9567 * toplev.c (compile_file): Likewise.
9568 (main): Don't mess with the stack rlimit.
9570 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
9572 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
9573 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
9575 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
9577 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
9579 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
9581 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
9582 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
9585 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
9587 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
9589 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
9591 * gcse.c (post_dominators): Kill.
9592 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
9593 (compute_code_hoist_data): Use compute_flow_dominators. Do not
9594 pass in a pdom array since we do not need pdoms.
9595 * haifa-sched.c (schedule_insns): Similarly.
9596 * flow.c (compute_dominators): Remove dead function.
9597 (compute_flow_dominators): Do not compute doms or pdoms if the
9598 caller does not request them. Split up loop to build doms and
9599 pdoms. Use a worklist to compute doms and pdoms.
9600 * basic-block.h (compute_dominators): Remove prototype.
9602 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
9604 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
9605 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
9606 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
9607 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
9608 (cant_move, fed_by_spec_load, is_load_insn): Remove.
9609 (schedule_region): Remove unused variable.
9610 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
9612 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
9614 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
9615 (update_equiv_regs): Likewise.
9616 (block_alloc): Likewise.
9617 * reg-stack.c (reg_to_stack): Likewise.
9618 (convert_regs_2): Likewise.
9619 * reload1.c (reload_as_needed): Likewise.
9621 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
9623 * Makefile.in (dbxout.o): Depend on ggc.h.
9624 (dwarf2out.o): Likewise.
9625 (xcoffout.o): Likewise.
9626 * dbxout.c: Include ggc.h.
9627 (dbxout_init): Register lastfile as a root.
9628 * dwarf2out.c: Include ggc.h.
9629 (dwarf2out_line): Register lastfile as a root.
9630 * xcoffout.c: Include ggc.h.
9631 (xcoffout_source_line): Register xcoff_lastfile as a root.
9633 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
9635 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
9637 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
9639 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
9641 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
9643 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9645 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
9646 (EXECUTE_IF_CONFLICT): Likewise.
9647 (ALLOCNO_LIVE_P): Avoid signed division.
9648 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
9649 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
9650 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
9652 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
9654 * haifa-sched.c (schedule_block): Don't crash if there's no
9655 next insn for an interblock movement.
9656 (add_branch_dependences): Don't allow clobber insns to move either.
9658 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
9660 * i386.c (split_xf): New.
9661 * i386-protos.h: Declare it.
9662 * i386.md (movxf_1): Add general regs alternatives.
9663 (movxf_1+1): New splitter for same.
9665 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
9667 * function.c (purge_addressof_1): Add missing return values.
9669 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
9671 * function.c (is_addressof): New function. Returns true if
9672 the given piece of RTL is an ADDRESSOF.
9673 (purge_addressof_1): Make boolean. Return false if the
9674 ADDRESSOFs could not be purged.
9675 (purge_addressof): If ADDRESSOFs could not be purged from the
9676 notes attached to an insn, remove the offending note(s),
9677 unless they are attached to a libcall.
9679 1999-11-05 Andreas Jaeger <aj@suse.de>
9681 * genoutput.c (null_operand =): Initialize all fields.
9683 * errors.h: Add extern to prototypes.
9685 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
9687 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
9688 * configure: Rebuilt.
9690 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9692 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
9693 (mirror_conflicts): New function.
9694 (global_alloc): Call it.
9695 (expand_preferences): Remove redundant CONFLICTP test.
9696 (find_reg, dump_conflicts): Likewise.
9697 (prune_preferences): Process conflicts one word at a time.
9699 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
9701 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
9702 instead of an explicit loop.
9704 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
9706 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
9707 if REG_RETVAL check succeeds, then put classp in src_elt.
9709 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
9711 * function.c (pad_to_arg_alignment): Only update argument_pad
9712 if the argument's alignment is greater than STACK_BOUNDARY.
9714 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
9716 * bitmap.h (BITMAP_XFREE): New.
9717 * flow.c (life_analysis): Use it.
9718 (life_analysis_1): Free blocks.
9720 * combine.c (undo_commit): New.
9721 (try_combine): Use it. Don't zap undobuf.undos.
9722 (combine_instructions): Don't zap undobuf.undos; free the
9725 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
9727 * stmt.c (cost_table_): New.
9728 (estimate_case_costs): Use it instead of xmalloc.
9730 * toplev.c (compile_file): Reuse dumpname memory instead
9733 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
9735 * reg-stack.c (convert_regs_1): Initialize target_stack->top
9736 after verifying an EH edge.
9738 * haifa-sched.c (init_rgn_data_dependences): Correctly
9739 size bb_pending_lists_length when zeroing.
9741 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
9743 * function.c (diddle_return_value): New.
9744 (expand_function_end): Use it.
9745 * stmt.c (expand_null_return): Likewise.
9746 (expand_value_return): Likewise.
9748 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
9750 * reload1.c (reload): Don't remove return value clobbers.
9752 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
9754 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
9756 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
9758 * cse.c (cse_main): Use xmalloc, not alloca.
9759 (cse_basic_block): Likewise.
9760 * local-alloc.c (local_alloc): Likewise.
9762 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
9763 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9765 * rtl.c: Include toplev.h.
9766 (fatal): Remove declaration.
9768 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
9770 * haifa-sched.c (schedule_block): Fix thinko.
9772 1999-11-03 James McKelvey <mckelvey@fafnir.com>
9774 * fixinc/fixincl.c(create_file): Allow for systems that do not have
9775 S_IR* defined values
9777 1999-11-03 Philippe De Muyter <phdm@macqel.be>
9779 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
9780 call `malloc' instead.
9782 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
9784 * flags.h (flag_renumber_insns): Declare.
9785 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
9787 * rtl.h (renumber_insns): Change prototype.
9788 * toplev.c (flag_renumber_insns): Define.
9789 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
9791 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
9793 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
9794 and fpsqrtd. Use them and create fdiv function unit to more
9795 accurately represent fpu sqrt pipeline semantics on UltraSparc.
9796 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
9798 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
9800 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
9802 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
9803 insn into ready list, do not use just a raw swap.
9805 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
9807 * rtl.h (renumber_insns): New function.
9808 (remove_unnecessary_notes): Likewise.
9809 * emit-rtl.c (renumber_insns): Define.
9810 (remove_unncessary_notes): Likewise.
9811 * toplev.c (rest_of_compilation): Remove dead code.
9812 Use renumber_insns and remove_unncessary_notes.
9814 * gcse.c (struct null_pointer_info): New type.
9815 (get_bitmap_width): New function.
9816 (current_block): Remove.
9817 (nonnull_local): Likewise.
9818 (nonnull_killed): Likewise.
9819 (invalidate_nonnull_info): Take a null_pointer_info as input.
9820 (delete_null_pointer_checks_1): New function.
9821 (delete_null_pointer_checks): Use it.
9823 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
9824 (split_edges): Likewise.
9825 (schedule_block): Likewise.
9826 (compute_block_backward_dependencies): Likewise.
9827 (schedule_region): Likewise.
9828 (schedule_insns): Likewise.
9830 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
9832 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
9833 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
9834 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
9835 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
9836 * jump.c (delete_unreferenced_labels): Don't delete if
9837 LABEL_ALTERNATE_NAME is set.
9838 * print-rtl.c (print_rtx): Dump alternate name.
9839 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
9840 * rtl.h (LABEL_ALTERNATE_NAME): Define.
9841 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
9842 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
9844 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9846 * fix-header.c (recognized_extern, recognized_function): Constify
9849 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
9850 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
9851 (compute_available): Remove unused variable `last'.
9852 (compute_nearerout): Remove unused variable `temp_bitmap'.
9853 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
9854 Remove unused variable `x'.
9856 * scan.h (recognized_function, recognized_extern): Constify a
9859 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
9861 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9863 * varasm.c (decode_rtx_const): Use XSTR to access the string
9866 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
9868 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
9870 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9872 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
9874 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
9876 * pa.c (ireg_operand): New function.
9877 * pa.h (PREDICATE_CODES): Handle ireg_operand.
9878 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
9879 Fix out of date comment.
9881 * pa.md (negdi2): Turn into expander + anonymous pattern.
9883 * reload.c (find_reloads): Fix typos in recent change.
9885 * dwarf2out.c: Do not include ctype.h.
9887 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9889 * regclass.c (record_reg_classes): Always use may_move_cost when
9890 seeing how operand fits with various register classes.
9892 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
9894 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
9895 * toplev.c: Revert Nov 1 13:22 change.
9897 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
9899 * config/pa/pa.md (height reduction patterns): Add checks for
9900 overlapping operands to avoid semantic-destroying splits for
9901 height reduction patterns.
9903 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9905 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
9906 have been an hyphen, fixed.
9907 * configure: Rebuilt.
9909 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
9911 * config/arm/tpe.h: Add prototypes for exported functions.
9912 * config/arm/pe.c: Fix compile time warnings.
9913 * config/arm/semi.h: Fix compile time warnings.
9914 * config/arm/arm.c: Fix compile time warnings.
9915 * config/arm/arm.h: Fix compile time warnings.
9916 * config/arm/arm.md: Fix compile time warnings.
9917 * config/arm/thumb.c: Fix compile time warnings.
9918 * config/arm/thumb.h: Fix compile time warnings.
9919 * config/arm/thumb.md: Fix compile time warnings.
9921 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
9923 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
9926 * unroll.c (unroll_loop): Remove LOOP notes when loop is
9927 completely unrolled.
9929 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9931 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
9933 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
9935 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
9936 * rtl.h (rtx_equal_p): Move prototype.
9937 * rtl.c (rtx_equal_function_value_matters): Move from
9939 (rtx_equal_p): Likewise.
9940 * rtlanal.c (rtx_equal_function_value_matters): Delete.
9941 (rtx_equal_p): Likewise.
9943 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
9945 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
9948 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
9950 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
9952 * pa.h (ADDR_VEC_ALIGN): Define.
9954 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
9955 notes when presented with "if (foo) break; end_of_loop" and
9956 the break sequence gets moved out of the loop.
9958 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
9959 Remove explicit zero initializations of entries within MAP.
9961 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
9963 * reg-stack.c (convert_regs_1): Handle EH edges specially.
9965 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
9967 * bitmap.h (BITMAP_XMALLOC): New macro.
9968 * flow.c (CLEAN_ALLOCA): Remove.
9969 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
9970 (life_analysis): Likewise.
9971 (update_life_info): Don't use CLEAN_ALLOCA.
9972 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
9973 (calculate_global_regs_live): Likewise.
9974 (print_rtl_with_bb): Likewise.
9975 (verify_flow_info): Likewise.
9976 * global.c (global_alloc): Likewise.
9977 (global_conflicts): Likewise.
9978 * integrate.c (save_for_inline_nocopy): Likewise.
9979 (expand_inline_function): Likewise.
9980 * jump.c (jump_optimize_1): Likewise.
9981 (duplicate_loop_exit_test): Likewise.
9982 (thread_jumps): Likewise.
9983 * loop.c (loop_optimize): Likewise.
9984 (combine_givs): Likewise.
9985 (recombine_givs): Likewise.
9986 * reorg.c (dbr_schedule): Likewise.
9987 * unroll.c (unroll_loop): Likewise.
9989 * combine.c (combine_instructions): Use xmalloc instead of alloca.
9991 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
9993 * toplev.c (rest_of_compilation): Don't optimize the CFG
9994 when rebuilding, just before dbr.
9996 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9998 * output.h (assemble_end_function, assemble_destructor,
9999 assemble_constructor, assemble_gc_entry, assemble_global,
10000 assemble_label, output_constant_pool) Constify a char*.
10002 * varasm.c (assemble_destructor, assemble_constructor,
10003 assemble_gc_entry, assemble_end_function, assemble_global,
10004 assemble_label, output_constant_pool): Likewise.
10006 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
10008 * config/arm/thumb.c (thumb_expand_prologue): Add comments
10009 explaining what is goin on in this function.
10011 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10013 * regclass.c (record_reg_classes): In matching case, recompute
10014 costs since the direction of movement is different.
10016 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
10018 * resource.c (mark_target_live_regs): For unconditional branches,
10019 the resources found at the branch target should be added to the
10020 resources found so far, not intersected.
10022 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
10024 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
10026 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
10027 (sys/mman.h): Include this file only if #HAVE_MMAP.
10028 (run_compiles): Initialize `esac_fmt' with one old KR string, not
10029 with automatically concatenated ANSI strings.
10031 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
10033 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
10034 (DIV_ROUND_UP): Robustify.
10035 (ggc_recalculate_in_use_p): New function.
10036 (release_pages): Don't inline it.
10037 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
10039 (ggc_pop_context): Use ggc_recalculate_in_use_p.
10040 (clear_marks): Always save in_use_p.
10041 (sweep_pages): Use ggc_recalculate_in_use_p.
10042 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
10043 Release pages before counting statistics.
10045 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
10047 * toplev.c (rest_of_compilation): Fix thinko in this change:
10049 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
10051 (rest_of_compilation): If inside an inlined external function,
10052 pretend we are just being declared.
10054 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
10056 * flow.c (calculate_global_regs_live): Fix thinko.
10058 * integrate.c (expand_inline_function): Fix bugs in previous
10059 change from Oct 28, 1999.
10061 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
10063 * stmt.c (expand_value_return): Fix typo in this change:
10065 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10066 (expand_value_return): Correctly convert VAL when promoting function
10067 return; support RETURN_REG being a PARALLEL.
10069 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
10071 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
10073 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10075 * hard-reg-set.h (reg_names): Constify a char*.
10077 * regclass.c (reg_names): Likewise.
10079 * regs.h (reg_names): Likewise
10081 * a29k/a29k.c (reg_names): Delete declaration.
10083 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
10085 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
10086 arc_output_function_epilogue): Likewise.
10088 * elxsi/elxsi.c (reg_names): Likewise.
10090 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
10092 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
10095 * m88k/m88k.c (output_function_profiler): Likewise.
10097 * sparc/sparc.c (sparc_flat_output_function_prologue,
10098 sparc_flat_output_function_epilogue): Likewise.
10100 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
10102 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
10103 warning from -Wuninitialized and put it under -W.
10104 * function.c (uninitialized_vars_warning): Warn only when the
10105 corresponding flag is set.
10107 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
10109 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
10110 is nonzero and the single set does not have an elt, then assign
10113 * simplify-rtx.c: New file.
10114 * Makefile.in (OBJS): Add simplify-rtx.o
10115 (simplify-rtx.o): Add dependencies.
10116 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
10117 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
10118 (cse_gen_binary, simplify_unary_operation): Delete.
10119 (simplify_binary_operation, simplify_plus_minus): Likewise.
10120 (check_fold_consts, simplify_relation_operation): Likewise.
10121 (simplify_ternary_operation): Likewise.
10122 (delete_trivially_dead_insns): Simplify the contents of the
10123 REG_EQUAL note before trying to substitute it into the source
10124 of the reg-reg copy at the end of a libcall sequence.
10126 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
10127 references/callers changed.
10129 * mn10200.c (mn10200_va_arg): Force the return value into a
10132 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
10134 * cccp.c (macroexpand): Avoid out of range accesses for omitted
10137 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
10139 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
10141 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
10143 * fold-const.c (fold): Fix thinko when optimizing comparisons
10146 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
10148 * gcc.texi (Passes): Update front-end files to their current
10151 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
10153 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
10154 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
10155 (PREDICATE_CODES): Add addition_operation.
10156 * alpha-protos.h (addition_operation): Declare.
10157 (secondary_reload_class): Likewise.
10158 * alpha.c (addition_operation): New.
10159 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
10160 * alpha.md (adddi3): Turn into expander.
10161 (*lda, *adddi_2): New.
10162 (movsf, movdf patterns): Don't preference integer regs.
10163 (movsi, movdi patterns): Don't preference fp regs.
10165 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
10167 * genrecog.c (write_switch): Check for duplicate CODE cases.
10169 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
10171 * ggc-common.c: Update pre-function commentary.
10172 * ggc-page.c: Likewise.
10174 (poison_pages): Use memset directly.
10175 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
10176 (ggc_collect): Poison before sweeping.
10177 * ggc-simple.c: Update pre-function commentary.
10178 (ggc_alloc_obj): Poison non-zeroed memory.
10180 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
10182 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
10183 match format string, even on 64-bit hosts.
10184 * gcc-page.c (ggc_page_print_statistics): Likewise.
10186 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
10188 * config/i386/i386.c (ix86_cpu): Revert last patch.
10189 * config/i386/i386.h (ix86_cpu): Ditto.
10191 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
10193 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
10194 TYPE_SIZE, convert type of result to sizetype.
10196 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
10198 * flow.c (count_or_remove_death_notes): Equate NULL with the
10201 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
10202 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
10205 * i386.c (pic_label_no): Delete.
10206 (ix86_attr_length_default): Don't use single_set to peek
10209 * recog.c (peephole2_optimize): Allow recog_next_insn to index
10210 the first insn after bb->end.
10211 * i386.md (push mem peeps): Scratch is live after evaluation
10213 (cmp mem peep): Similarly.
10215 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
10217 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
10218 * function.c (pad_to_arg_alignment): Add missing braces.
10220 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10222 * alpha/alpha-protos.h (literal_section): Add prototype.
10223 (alpha_need_linkage, alpha_start_function,alpha_end_function):
10226 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
10228 (alpha_start_function, alpha_end_function, float_strings,
10229 alpha_need_linkage): Constify a char*
10231 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
10233 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
10235 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10237 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10239 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10241 * flow.c (debug_flow_info): Add prototype.
10243 * gcc.c (main): Likewise.
10245 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
10248 * reload1.c (failed_reload, set_reload_reg): Likewise.
10250 * mips-tfile.c (main): Likewise.
10251 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
10252 with ATTRIBUTE_NORETURN.
10254 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
10256 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
10257 DECL is not a memory ref.
10259 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
10261 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
10262 * config/i386/i386.c (ix86_cpu): Add extern attribute.
10264 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
10266 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
10267 * config/mips/elf64.h: ditto.
10269 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
10271 * expr.c (emit_push_insn): New argument alignment_pad.
10272 Update all callers. Adjust stack pointer based on alignment pad.
10273 * function.c (pad_to_arg_alignment): New argument alignment_pad.
10274 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
10275 (locate_and_pad_parm): New argument alignment_pad. Update all
10277 * expr.h (emit_push_insn): Update prototype.
10278 (locate_and_pad_parm): Update prototype.
10279 * calls.c (arg_data): Add new field alignment_pad.
10280 (initialize_argument_information): Initialize alignment_pad.
10282 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
10284 * except.c (free_eh_nesting_info): Free the info itself.
10285 * function.c (free_after_compilation): Don't free NULL.
10286 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
10287 (pre_edge_insert): Free inserted.
10288 * stmt.c (free_stmt_status): Don't free NULL.
10290 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
10292 * gcov.c (DIR_SEPARATOR): Provide default.
10293 (output_data): Add test for MS-DOS format absolute filename.
10294 (fancy_abort): Correct program name.
10295 (open_files): Open all files in binary mode.
10296 * libgcc2.c (__bb_exit_func): Likewise.
10298 * profile.c (init_branch_prob): Specify binary when opening files.
10300 * flags.h (flag_unwind_tables): New decl.
10301 * toplev.c (flag_unwind_table): New definition.
10302 (f_options): Add -funwind-tables.
10303 (decode_g_option): Clarify warning when unknown -g option is given.
10304 (rest_of_compilation): If inside an inlined external function,
10305 pretend we are just being declared.
10307 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
10308 (dwarf2out_frame_finish): Likewise.
10310 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
10312 * fold-const.c (merge_ranges): If not in0, but in1, handle
10313 upper bounds equal like subset case.
10315 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
10317 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
10318 passed in a register but moved to the stack.
10320 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
10322 * gcc.c (pass_exit_codes, greatest_status): New variables.
10323 (struct option_map): Add entry for "--pass-exit-codes".
10324 (execute): Update greatest_status if error.
10325 (display_help): Add documentation for -pass-exit-codes.
10326 (process_command): Handle -pass-exit-codes.
10327 (main): Look at pass_exit_codes and greatest_status on call to exit.
10329 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10331 * reload.c (find_reloads): Refine test for no input reload
10332 case to not includes reloads emitted after insn.
10334 * function.c (find_temp_slots_from_address): Handle sum involving
10335 a register that points to a temp slot.
10336 (update_temp_slot_address): Make recursive call if both old and
10337 new are PLUS with a common operand.
10338 * calls.c (expand_call): Mark temp slot for result as having
10341 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
10343 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
10344 component as well as "BINUTILS".
10346 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
10347 * integrate.c (copy_rtx_and_substitute): Likewise.
10348 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
10349 All callers changed.
10350 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
10352 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
10353 gdb extensions, write size of type; also be more consistent
10354 in using references when this is a subtype.
10356 * pa.md (extv, extzv, insv): Use define_expand to reject constant
10357 that is out of range.
10359 * loop.c (unknown_constant_address_altered): New variable.
10360 (prescan_loop): Initialize it.
10361 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
10362 (invariant_p, case MEM): Remove handling for volatile and readonly;
10363 check new variable if readonly.
10364 (check_dbra_loop): Chdeck unknown_constant_address_altered.
10366 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
10367 (addr_affects_sp_p): Removed from note_mem_written and only
10368 define #ifdef AUTO_INC_DEC.
10370 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
10372 * regclass.c (record_reg_classes): Properly handle register move
10375 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
10376 Don't think valid if both operands are invalid.
10377 (struct constant_descriptor): New field RTL.
10378 (mark_const_hash_entry): Mark it.
10379 (record_constant{,_rtx}): Initialize it.
10380 (output_constant_def): Allocate RTL in permanent obstack and
10382 ({record,compare}_constant_1): Modes must match for
10383 CONSTRUCTOR of ARRAY_TYPE.
10385 * c-common.h (initializer_constant_valid_p): Delete decl from here.
10386 * output.h (initializer_constant_valid_p): Move decl to here.
10387 * c-common.c (initializer_constant_valid_p): Delete function from here.
10388 * varasm.c (initializer_constant_valid_p): Move function to here.
10390 * tree.h (STRIP_SIGN_NOPS): New macro.
10391 * fold-const.c (optimize_minmax_comparison): New function.
10392 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
10393 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
10394 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
10395 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
10396 widening conversions.
10397 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
10398 to look at size of mode, not precision of type; also add missing cases.
10399 (optimize_bit_field_compare, decode_field_reference): Don't try to
10400 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
10402 * dwarf2out.c (ctype.h): Include.
10403 (dwarf2out_set_demangle_name_func): New function.
10404 (size_of_line_info): Deleted.
10405 (output_line_info): Compute size of line info table from difference
10407 (base_type_die, add_name_attribute): Call demangle function, if any.
10408 (field_byte_offset): Use bits per word for variable length fields.
10409 (gen_array_type_die): Add array name.
10410 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
10411 (dwarf2out_add_library_unit_info): New function.
10413 * explow.c (set_stack_check_libfunc): New function.
10414 (stack_check_libfunc): New static variable.
10415 (probe_stack_range): Allow front-end to set up a libfunc to call.
10417 * combine.c (simplify_comparison): When making comparison in wider
10418 mode, check for having commuted an AND and a SUBREG.
10419 (contains_muldiv): New function.
10420 (try_combine): Call it when dividing a PARALLEL.
10421 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
10422 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
10424 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
10425 use one of the CLOBBERs instead.
10426 (if_then_else_cond): If comparing against zero, just return thing
10429 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
10430 Don't generate shifts and subtract if have conditional arithmetic.
10432 * rtl.h (delete_barrier): New declaration.
10433 * jump.c (jump_optimize): Set up to handle conditional call.
10434 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
10435 (delete_barrier): New function.
10437 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
10439 * recog.c (nonmemory_operand): Accept ADDRESSOF.
10441 * tree.c (build_type_attribute_variant): Push to obstack of
10442 ttype around type_hash_canon call.
10444 * expr.c (placeholder_list): Move decl to file scope.
10445 (expand_expr): Don't force access to volatile just because its
10447 If ignoring reference operations, just expand the operands.
10448 (expand_expr, case COMPONENT_REF): Propagate
10449 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
10450 Refine test for using bitfield operations vs pointer punning.
10451 (expand_expr, case CONVERT_EXPR): If converting to
10452 BLKmode UNION_TYPE from BLKmode, just return inner object.
10453 Use proper mode in store_field call.
10454 Properly set sizes of object to store and total size in store_field
10455 call for convert to union.
10456 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
10457 memory (like for ADDR_EXPR). Also, don't put constant in register if
10458 we'll want it in memory.
10459 (readonly_fields_p): New function.
10460 (expand_expr, case INDIRECT_REF): Call it if LHS.
10461 (expand_assignment): Handle a RESULT_DECL where
10462 DECL_RTL is a PARALLEL.
10463 (do_jump, case WITH_RECORD_EXPR): New case.
10464 (get_inner_reference): Always go inside a CONVERT_EXPR
10465 and NOP_EXPR if both modes are the same.
10466 (store_field): Use bitfield operations if size of bitsize is not same
10467 as size of RHS's type.
10468 Check for bitpos not a multiple of alignment in BLKmode case.
10469 Do block move in largest possible alignment.
10470 (store_constructor): Set BITSIZE to -1 for variable size and properly
10471 in case of array of BLKmode.
10472 (expand_expr_unaligned): New function.
10473 (do_compare_and_jump): Call it.
10475 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
10476 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
10477 does not include 'o'.
10479 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
10480 both SET_DEST and SET_SRC reference a virtual register.
10481 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
10483 * integrate.c (expand_inline_function): Handle case of setting
10484 virtual stack vars register (from built in setjmp); when parameter
10485 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
10486 (subst_constant): Add new parm, MEMONLY.
10487 (expand_inline_function, integrate_parm_decls): Pass new parm.
10488 (integrate_decl_tree): Likewise.
10489 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
10490 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
10491 (copy_rtx_and_substitute, case SET): Add explicit calls to
10492 copy_rtx_and_substitute for both sides.
10494 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
10496 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
10497 within INDEX_TYPE, instead of before.
10498 (fixup_gotos): Use f->target_rtl, not the next insn,
10499 since latter may be from a later fixup.
10500 (expand_value_return): Correctly convert VAL when promoting function
10501 return; support RETURN_REG being a PARALLEL.
10502 (expand_return): When checking for result in regs and having
10503 cleanup, consider PARALLEL in DECL_RTL as being in regs.
10505 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
10507 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
10508 last_nominal_fname): Mark const.
10509 (struct include_hash: name, nshort, control_macro): Mark
10511 (struct macrodef: symnam): Mark const.
10512 (struct if_stack: fname): Mark const.
10513 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
10514 (IStable): New character-syntax array which encompasses all
10515 the old is_foo arrays.
10516 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
10517 is_space): New macros for interrogating IStable.
10518 (check_macro_name): Kill last argument. All callers changed.
10520 * cppinit.c (initialize_char_syntax): Delete.
10521 (is_idchar, is_idstart, is_hor_space, is_space,
10522 trigraph_table): Delete.
10523 (IStable): New. Initialize with clever macros to avoid
10524 information duplication.
10525 (builtin_array): Table of builtins to get rid of explicit list
10526 in initialize_builtins.
10527 (initialize_builtins): Use builtins_array.
10528 (cpp_start_read): Call init_IStable, and set IStable['$'] if
10529 opts->dollars_in_ident.
10531 * cppexp.c: Change all refs to is_xyz[] arrays to use new
10533 (cpp_parse_expr): Avoid 'format string is not constant'
10534 warning. Use ISGRAPH to identify printable chars.
10535 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
10537 (read_and_prescan): Map trigraphs to chars with open-coded
10538 if-else-if-... sequence, not a lookup table.
10539 * cpphash.c: Change all refs to is_xyz[] arrays to use new
10541 * cpplib.c: Change all refs to is_xyz[] arrays to use new
10542 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
10543 (check_macro_name): Remove ability to report an invalid
10544 assertion name, which is never used.
10545 (do_line): Constify a couple of char *'s.
10546 * cppmain.c (main): Call cpp_cleanup before returning.
10548 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
10550 * ggc.h (struct ggc_statistics): New type.
10551 (ggc_get_size): New function.
10552 (ggc_print_statistics): Likewise.
10553 * ggc-common.c (ggc_stats): New variable.
10554 (ggc_mark_rtx_children): Keep statistics.
10555 (ggc_mark_tree_children): Likewise.
10556 (ggc_print_statistics): New function.
10557 * ggc-page.c (struct globals): Add bytes_mapped field.
10558 (alloc_anon): Update it.
10559 (release_pages): Likewise.
10560 (ggc_get_size): New function.
10561 (ggc_page_print_statistics): New function.
10562 * ggc-simple.c (ggc_get_size): New function.
10564 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
10566 * flow.c (propagate_block): When the last reference to a label
10567 before an ADDR_VEC is deleted because the reference is a dead
10568 store, delete the ADDR_VEC.
10570 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
10572 * resource.c (find_free_register): Don't use the frame pointer
10573 if frame_pointer_needed.
10575 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
10577 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
10578 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
10580 * config/i960/i960.c (i960_va_start): New locals base, num.
10581 Use INDIRECT_REF instead of ARRAY_REF on valist.
10582 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
10584 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
10586 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
10588 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
10590 * tree.def (PLACEHOLDER_EXPR): Update comments.
10592 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10594 * c-common.c (check_format_info): Avoid non-literal format string
10595 warnings when `first_arg_num' is zero.
10597 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10599 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
10601 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
10603 * arm.md (casesi_insn): Add a clobber of the condition code
10606 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
10608 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
10609 used by both cc1 and cc1plus.
10611 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
10613 * config/arm/arm.c: Initialise arm_structure_size_boundary to
10614 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
10615 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
10616 to the value 32 if it has not already been defined.
10617 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
10618 Override definition in arm.h with a value of 8.
10620 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
10622 * c-pragma.c (push_alignment): Don't check the return value
10625 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
10627 * sparc.h (ADJUST_COST): Fix thinko.
10629 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
10631 * cccp.c (rescan): Fixed obp pointer handling around call to
10632 check_expand subroutine.
10634 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
10636 * gcse.c (delete_null_pointer_checks): Only record non-null info
10637 for pseudos when examining stores.
10639 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
10640 splitters for these patterns. Use "#" for output templates.
10641 (addsi3_carryin_shift): New pattern.
10643 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
10645 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
10646 of the function return register into a plain REG until
10647 after function inlining is done.
10649 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
10651 * jump.c (jump_optimize_1): If we did cross-jumping, and
10652 the data will matter, rebuild the CFG.
10653 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
10654 not optimizing. Don't run shorten_branches.
10655 * toplev.c (rest_of_compilation): Run shorten_branches after
10658 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
10660 * rtl.h (note_stores): Add additional paramter.
10661 * rtlanal.c (reg_set_p_1): Take additional paramter.
10662 (reg_set_last_1): Likewise.
10663 (reg_set_p): Adjust call to note_stores.
10664 (reg_set_last): Likewise.
10665 (note_stores): Pass data parameter to worker function.
10666 * alias.c (record_set): Take additional parameter.
10667 (init_alias_analysis): Pass it.
10668 * caller-save.c (mark_set_regs): Take additional parameter.
10669 (save_call_clobbered_regs): Pass NULL to note_stores.
10670 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
10672 (record_dead_and_set_regs_1): Likewise.
10673 (reg_dead_at_p_1): Likewise.
10674 (combine_instructions): Adjust calls to note_stores.
10675 (try_combine): Likewise.
10676 (record_dead_insn): Remove.
10677 (record_dead_and_set_regs): Adjust calls to note_stores.
10678 (reg_dead_at_p): Likewise.
10679 * cse.c (invalidate_skipped_set): Take additional parameter.
10680 (cse_check_loop_start): Likewise.
10681 (cse_check_loop_start_value): Remove.
10682 (cse_set_around_loop): Adjust calls to note_stores.
10683 * flow.c (notice_stack_pointer_modification): Take additional
10684 parameter. Remove duplicate declaration.
10685 (record_volatile_insns): Adjust calls to note_stores.
10686 * gcse.c (record_set_info): Take additional parameter.
10687 (record_last_set_info): Likewise.
10688 (invalidate_nonnull_info): Likewise.
10689 (record_set_insn): Remove.
10690 (compute_sets): Adjust calls to note_stores.
10691 (last_set_insn): Remove.
10692 (compute_hash_table): Adjust calls to note_stores.
10693 (insert_insn_end_bb): Likewise.
10694 (delete_null_pointer_checks): Likewise.
10695 * global.c (mark_reg_store): Take additional parameter.
10696 (mark_reg_clobber): Likewise.
10697 (reg_becomes_live): Likewise.
10698 (global_conflicts): Adjust calls to note_stores.
10699 (build_insn_chain): Likewise.
10700 * integrate.c (note_modified_parmregs): Take additional parameter.
10701 (mark_stores): Likewise. Make it static.
10702 (save_for_inline_nocopy): Adjust calls to note_stores.
10703 (try_constants): Likewise.
10704 * integrate.h (mark_stores): Remove declaration.
10705 * jump.c (mark_modified_reg): Take additional parameter.
10706 (thread_jumps): Adjust calls to note_stores.
10707 * local-alloc.c (validate_equiv_mem_from_store): Take additional
10709 (no_equiv): Likewise.
10710 (reg_is_set): Likewise.
10711 (validate_equiv_mem): Adjust calls to note_stores.
10712 (update_equiv_regs): Likewise.
10713 (block_alloc): Likewise.
10714 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
10715 (note_addr_stored): Take additional parameter.
10716 (note_set_pseudo_multiple_uses): Likewise.
10717 (record_initial): Likewise.
10718 (prescan_loop): Adjust calls to note_stores.
10719 (strength_reduce): Likewise.
10720 (check_dbra_loop): Likewise.
10721 * regmove.c (flags_set_1): Take additional paramter.
10722 (mark_flags_life_zones): Adjust calls to note_stores.
10723 * reload1.c (mark_not_eliminable): Take additional parameter.
10724 (forget_old_reloads_1): Likewise.
10725 (reload_cse_invalidate_rtx): Likewise.
10726 (reload_cse_check_clobber): Likewise.
10727 (reload_combine_note_store): Likewise.
10728 (move2add_note_store): Likewise.
10729 (reload): Adjust calls to note_stores.
10730 (reload_as_needed): Likewise.
10731 (emit_reload_insns): Likewise.
10732 (reload_cse_regs_1): Likewise.
10733 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
10734 (reload_combine): Adjust calls to note_stores.
10735 * resource.c (update_live_status): Take additional paramter.
10736 (mark_target_live_regs): Adjust calls to note_stores.
10737 * stupid.c (find_clobbered_regs): Take additional parameter.
10738 (stupid_life_analysis): Adjust calls to note_stores.
10740 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
10742 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
10745 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
10748 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
10749 of the variable arm_structure_size_boundary.
10751 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
10753 * alias.c (init_alias_analysis): Allocate reg_known_value and
10754 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
10756 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
10757 * cse.c (cse_main): Call end_alias_analysis.
10758 * haifa-sched.c (schedule_insns): Likewise.
10759 * local-alloc. (update_equiv_regs): Likewise.
10760 * reload1.c (reload_cse_regs): Likewise.
10762 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10764 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
10765 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
10766 mapping from MASK_FPU.
10768 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
10770 * sparc.md (call): Don't bound structure return size to 0xfff.
10772 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
10774 * resource.c (mark_target_live_regs): Check that the target
10775 insn wasn't created after compute_bb_for_insn.
10777 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
10779 * ggc-page.c (poison_pages): Don't be overzealous.
10781 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
10783 * alias.c: Update comments for ADDRESS.
10784 (nonlocal_reference_p): Look inside the ADDRESS to determine if
10785 it is a local memory reference.
10787 * c-typeck.c (build_function_call): Check that the built-in
10788 function is of class BUILT_IN_NORMAL before trying to recongize
10789 it as BUILT_IN_ABS.
10790 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
10791 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
10793 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
10795 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
10797 (pre_gcse): Likewise.
10798 (hoist_expr_reaches_here_p): Likewise.
10799 (hoist_code): Likewise.
10800 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
10802 (pre_expr_reaches_here_p_work): ... here.
10803 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
10805 (expr_reaches_here_p_work): ... here.
10807 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
10809 * resource.c (find_basic_block): Delete.
10810 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
10811 (init_resource_info): Call compute_bb_for_insn.
10813 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
10815 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
10816 with already adjacent blocks, but no fallthru.
10817 (merge_blocks_move_successor_nojumps): Simplify.
10818 (debug_flow_info): New.
10820 * toplev.c (rest_of_compilation): Open jump1 dump file before
10821 jump and close after, as opposed to just using dump_rtl.
10823 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10825 * reload.h (earlyclobber_operand_p): Declare.
10826 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
10827 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
10828 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
10829 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
10831 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
10832 Richard Henderson <rth@cygnus.com>
10834 * emit-rtl.c (emit_block_insn_before): New.
10835 (emit_block_insn_after): New.
10836 * basic-block.h: Declare them.
10838 * bitmap.h: Protect from multiple inclusion.
10840 * recog.c (scratch_operand): Handle VOIDmode correctly.
10842 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
10844 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
10845 * function.c (assign_parms): Likewise.
10846 * global.c (global_conflicts): Clarify STACK_REGS commentary.
10848 * reg-stack.c (max_uid): Remove.
10849 (blocks, block_begin, block_end, block_drops_in): Remove.
10850 (block_stack_in, block_out_reg_set, block_number): Remove.
10851 (struct block_info_def, BLOCK_INFO): New.
10852 (enum emit_where): New.
10853 (current_block): New.
10854 (BLOCK_NUM): Remove.
10855 (mark_regs_pat, record_label_references): Remove.
10856 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
10858 (goto_block_pat, print_blocks, dump_stack_info): Remove.
10859 (reg_to_stack): Simplified test for existance of fp code. Use
10860 flow.c code. Call shorten_branches after cross-jump opt.
10861 (check_asm_stack_operands): Renamed from record_asm_reg_life.
10862 Return false if the asm doesn't use stack regs. Don't do life
10863 analysis on the asm.
10864 (emit_pop_insn): Replace function pointer arg `when' with
10865 enum `where'. Update all callers.
10866 (change_stack): Likewise. Update basic block end.
10867 (emit_swap_insn): Use current_block->head to limit reverse search
10868 for start of block. Use emit_block_insn_after.
10869 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
10870 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
10871 structure assignment instead of bcopy.
10872 (print_stack): New.
10873 (convert_regs_entry, convert_regs_exit): New.
10874 (convert_regs_1, convert_regs_2): Split out from convert_regs.
10875 Work on basic blocks and the CFG.
10876 (convert_regs): Use them.
10878 * i386.c (output_fix_trunc): Remove code for DImode input operand
10879 not at top-of-stack.
10880 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
10882 (fix_truncdi_1): Allow any mode scratch.
10884 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
10886 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
10887 * linux.h, netbsd.h, vms.h: Not here.
10889 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
10891 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
10892 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
10893 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
10894 CONDITIONAL_REGISTER_USEAGE): Use them.
10895 * config/mips/mips.c (mips_move_1word,mips_move_2words,
10896 gen_conditional_branch,override_options) : Use them.
10897 * config/mips/mips.md : Use them.
10899 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
10901 * i386.md (zero_extendqihi2): Use SImode register name with andl.
10903 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
10905 * integrate.c (function_cannot_inline_p): Don't allow inlining
10908 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10910 * c-parse.in (cast_expr): Constify.
10912 * cccp.c (special_symbol): Likewise.
10914 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
10916 * dwarf2out.c (base_type_die): Likewise.
10918 * global.c (allocno_compare): Likewise.
10920 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
10922 * regclass.c (fix_register): Likewise.
10924 * rtl.h (fix_register): Likewise.
10926 * stupid.c (stupid_reg_compare): Likewise.
10928 * toplev.c (decode_f_option): Likewise.
10930 * tree.c (build_complex_type): Likewise.
10932 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
10934 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
10936 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10938 * reload.c (find_reloads): Compute mode and nregs fields of all
10940 * reload1.c (calculate_needs_all_insns): Simplify a bit.
10941 (calculate_needs): Use precomputed mode/nregs values.
10942 (allocate_reload_reg): Likewise.
10944 (failed_reload, set_reload_reg): ... new functions.
10945 (choose_reload_regs_init): New function, mostly broken out from...
10946 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
10947 Also lose one #if 0 block.
10949 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
10951 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
10954 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
10956 * tree.h (BLOCK_TYPE_TAGS): Remove.
10957 (BLOCK_END_NOTE): Likewise.
10958 (BLOCK_LIVE_RANGE_FLAG): Likewise.
10959 (BLOCK_LIVE_RANGE_START): Likewise.
10960 (BLOCK_LIVE_RANGE_END): Likewise.
10961 (tree_block): Remove live_range_flag, live_range_var_flag, and
10962 type_tags. Remove end_note, live_range_start, and live_range_end.
10963 (remember_end_note): Remove prototype.
10964 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
10965 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
10967 * ggc-common.c (ggc_mark_tree_children): Don't mark
10968 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
10969 * integrate.c (adjust_copied_decl_tree): Remove.
10970 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
10971 * stmt.c (last_block_end_note): Remove.
10972 (init_stmt): Don't add a GC root for it.
10973 (expand_fixup): Don't set it.
10974 (remember_end_note): Remove.
10975 (expand_end_bindings): Don't set last_block_end_note.
10977 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10979 * reload1.c (reload_reg_free_for_value_p): Show
10980 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
10983 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
10985 * expmed.c (extract_bit_field): Allow for the case of non-integer
10986 objects that are smaller than a word (like SFmode on a 64-bit
10989 * loop.c (basic_induction_var): A non-integer variable which is
10990 being set by a paradoxical subreg is probably not a biv.
10992 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10994 * prefix.c (translate_name) Check for empty prefix string.
10996 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
10998 * Makefile.in (CPP_CROSS_NAME): New variable.
10999 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
11001 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
11002 names of the files to be uninstalled.
11004 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
11006 * collect2.c (IS_DIR_SEPARATOR): Define.
11007 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
11009 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
11012 * haifa-sched.c (add_dependence): Update the true dependency
11013 cache the first time we add a true dependence to the LOG_LINKS chain.
11015 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
11017 * fold-const.c (fold): Fix comment.
11019 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11021 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
11022 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
11023 dbxout_start_new_source_file, dbxout_source_file,
11024 dbxout_source_line, dbxout_finish, dbxout_type_fields,
11025 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
11027 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
11028 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
11029 (dbxout_block): Initialize variable `blocknum'.
11031 * dbxout.h (dbxout_init, dbxout_finish,
11032 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
11033 dbxout_args, dbxout_source_line): Constify a char*.
11035 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
11036 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
11037 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
11038 low_pc_attribute, high_pc_attribute, body_begin_attribute,
11039 body_end_attribute, comp_dir_attribute, sf_names_attribute,
11040 src_info_attribute, mac_info_attribute, producer_attribute,
11041 lookup_filename, generate_macinfo_entry, fundamental_type_code,
11042 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
11043 dwarfout_undef): Constify a char*.
11044 (add_incomplete_type, retry_incomplete_types): Add prototypes.
11046 * dwarfout.h (dwarfout_define, dwarfout_undef,
11047 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
11049 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
11051 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
11052 (MULTILIB_ISA_DEFAULT): New.
11053 (MULTILIB_DEFAULTS): Use it.
11054 * config/mips/mips.c (): Remove the now unnecessary definition
11055 of MIPS_ISA_DEFAULT.
11056 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
11057 unnecessary definition.
11059 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
11061 * arm.md (pic_load_addr): Add constraints to operand 1.
11063 1999-10-25 Bruce Korb <autogen@linuxbox.com>
11065 * fixinc/genfixes: Provide a means for specifying -D options to
11068 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
11070 * arm.c (arm_override_options): Correct initialization of
11071 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
11072 arm_is_strong, and arm_is_6_or_7.
11074 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
11075 (note_set_pseudo_multiple_uses): New function.
11076 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
11077 if a pseudo set in the loop exit is used elsewhere.
11079 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
11081 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
11083 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
11085 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
11086 a single load-address pattern.
11088 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
11090 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
11091 depending on whether or not line-number notes are present.
11093 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11095 * cccp.c (progname, file_buf, default_include, include_file,
11096 macrodef, definition, hashval, wchar_type, user_label_prefix,
11097 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
11098 expand_to_temp_buffer, is_system_include, base_name,
11099 absolute_filename, read_name_map, open_include_file,
11100 record_control_macro, check_precompiled, check_preconditions,
11101 pcfinclude, pass_thru_directive, create_definition,
11102 check_macro_name, comp_def_part, collect_expansion,
11103 check_assertion, read_token_list, assertion_install,
11104 assertion_lookup, eval_if_expression, conditional_skip,
11105 validate_else, skip_quoted_string, quote_string, macarg1,
11106 error_from_errno, install, lookup, hashf, dump_defn_1,
11107 perror_with_name, pfatal_with_name, main, trigraph_pcp,
11108 check_white_space, rescan, handle_directive, monthnames,
11109 special_symbol, do_include, remap_include_file, write_output,
11110 arglist, do_assert, do_unassert, do_line, do_error, do_once,
11111 do_ident, do_sccs, do_xifdef, skip_if_group,
11112 output_line_directive, macroexpand, macarg, change_newlines,
11113 initialize_builtins, make_definition): Constify a char*.
11115 * pcp.h (stringdef): Likewise.
11117 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
11119 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
11122 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
11123 Richard Henderson <rth@cygnus.com>
11125 * alias.c: Include ggc.h.
11126 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
11127 (record_set): Verify enough room in reg_base_value.
11128 (init_alias_analysis): Allocate reg_base_value with xcalloc.
11129 Register it as a GC root.
11130 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
11131 * Makefile.in (alias.o): Depend on ggc.h.
11133 * unroll.c (unroll_loop): Verify the insn before a barrier
11134 is a JUMP_INSN before checking JUMP_LABEL.
11136 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11138 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
11139 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
11140 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
11141 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
11142 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
11143 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
11145 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11147 * output.h (ctors_section, dtors_section, bss_section): Prototype.
11149 * alpha/alpha-interix.h (text_section): Delete prototype.
11150 * alpha/elf.h (text_section): Likewise.
11151 * arm/linux-elf.h (text_section): Likewise.
11152 * arm/linux-telf.h (text_section): Likewise.
11153 * c4x/c4x.h (text_section): Likewise.
11154 * dsp16xx/dsp16xx.h (bss_section): Likewise.
11155 * elfos.h (text_section): Likewise.
11156 * i386/aix386ng.h (text_section): Likewise.
11157 * i386/i386-interix.h (text_section): Likewise.
11158 * i386/sco5.h (text_section): Likewise.
11159 * i386/svr3gas.h (text_section): Likewise.
11160 * nextstep.h (text_section): Likewise.
11161 * psos.h (text_section): Likewise.
11162 * ptx4.h (text_section): Likewise.
11163 * svr3.h (text_section): Likewise.
11164 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
11166 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11168 * final.c (peephole): Delete prototype.
11170 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
11171 (pre_insert_copies): Remove unused variable `bb'.
11173 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
11176 * output.h (peephole): Add prototype.
11178 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
11180 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
11183 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
11185 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
11186 for inlined declarations.
11188 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
11190 * arm.c (logical_binary_operator): New fucntion.
11191 * arm.h (logical_binary_operator): Declare it.
11192 (PREDICATE_CODES): Handle logical_binary_operator.
11193 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
11194 output constraints. Add appropriate splitters.
11195 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
11196 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
11197 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
11199 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11201 * genoutput.c (struct operand_data): New elt eliminable.
11202 (output_operand_data): Write it.
11203 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
11204 (compare_operands): Take it into account.
11205 * recog.h (struct insn_operand_data): New elt eliminable.
11206 * reload1.c (check_eliminable_occurrences, elimination_effects): New
11208 (old_asm_operands_vec, new_asm_operands_vec): Delete.
11209 (eliminate_regs): Move code that detects changes to elimination
11210 target regs into new function elimination_effects.
11211 Delete one #if 0 block.
11212 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
11213 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
11214 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
11215 Only call eliminate_regs for real operands of the insn, not for parts
11216 of its structure or parts matched by things like match_operator.
11217 Use elimination_effects and check_eliminable_occurrences. Use
11218 copy_insn to duplicate the pattern when not in the final pass.
11220 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
11222 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
11225 1999-10-22 Bruce Korb <autogen@linuxbox.com>
11227 * fixinc/README: document the "mach" machine matching test
11228 * fixinc/fixfixes.c: Implement the #else/#endif label fix
11229 * fixinc/fixtests.c: Implement the #else/#endif label test
11230 * fixinc/inclhack.def: utilize these tests and fixes
11231 * fixinc/inclhack.sh: regen
11232 * fixinc/fixincl.x: regen
11233 * fixinc/fixincl.sh: regen
11235 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
11237 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
11240 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
11242 * gcc.1: Document exit codes.
11244 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11246 * calls.c: Include tm_p.h later, so everything we need is defined.
11247 * expr.c: Likewise.
11248 * function.c: Likewise.
11250 * except.c: Include tm_p.h.
11252 * sparc.c: Likewise.
11253 (dwarf2out_cfi_label): Don't prototype.
11254 (check_return_regs, epilogue_renumber,
11255 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
11256 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
11257 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
11258 ultra_schedule_insn): Add static prototype.
11259 (data_segment_operand, text_segment_operand): Call itself with the
11260 proper number of arguments.
11261 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
11263 * sparc.h: Move all declarations to sparc-protos.h.
11264 (SELECT_RTX_SECTION): Pass a missing MODE argument to
11267 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
11269 * config/svr4.h (text_section, ctors_section, dtors_section): Add
11271 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
11272 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
11273 ASM_OUTPUT_ASCII): Constify a char*.
11275 * sparc-protos.h: New file for sparc prototypes.
11277 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11279 * function.c (record_insns, contains): Always declare and define.
11280 (record_insns): Mark with ATTRIBUTE_UNUSED.
11282 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
11284 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
11285 to .section when outputting a .bss section to deal with multiple
11286 .bss input sections (as happens with -fdata-sections)
11287 Also output %progbits, not @progbits so the assembler doesn't treat as
11289 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
11291 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
11292 thumb parts even when building with non-thumb CPUs, by forcing
11295 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
11297 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
11298 (movdf_const_intreg_sp64): Similarly.
11300 * local-alloc.c (update_equiv_regs): Check the correct insn
11301 for pre-existing REG_EQUIV notes.
11303 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
11305 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
11306 block reached by a branch if we're not going to actually process
11309 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
11311 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
11312 a local extern function declaration.
11314 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
11316 * i386.c (ix86_expand_prologue): Properly wrap USE around
11317 reg for CALL_INSN_FUNCTION_USAGE.
11319 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
11321 * config/mips/mips.md (movdf_internal1a): Allow floating-point
11322 move between GP_REGs.
11324 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
11326 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
11327 the mode size when finding out if an offset is legal.
11329 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
11331 * basic-block.h (PROP_*): Move constants from ...
11332 * flow.c: ... here.
11333 (compute_bb_for_insn): Free the array before reallocating.
11334 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
11335 (allocate_reg_life_data): Reset all reg variables collected by
11337 (get_block_head_tail): Don't convert from bb to block.
11338 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
11339 (find_insn_reg_weight): Take block not bb.
11340 (schedule_block): Don't set block num for moved insns.
11341 (schedule_region): Don't update_life_info or find_insn_reg_weight.
11342 (schedule_insns): Do it here instead.
11343 * combine.c (combine_instructions): Invoke compute_bb_for_insn
11344 before update_life_info.
11345 * recog.c (split_all_insns, peephole2_optimize): Update for
11346 new arg to update_life_info.
11347 * rtlanal.c (remove_note): Cope with NULL note.
11348 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
11351 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
11353 * jump.c (jump_optimize_1): More accurately detect casesi insns.
11355 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
11356 block records so that merge_blocks_nomove will clean up correctly.
11357 (split_edge): Handle casesi insns.
11359 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
11361 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
11363 * pa.md (call, call_value): Do not emit a blockage after restoring
11366 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
11368 * c-typeck.c (c_expand_asm_operands): Fix typo.
11370 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11372 * arm.c (fpu_rhs_operand): Verify modes.
11373 (fpu_add_operand): Likewise.
11374 (di_operand): Likewise.
11375 (soft_df_operand): Likewise.
11377 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
11379 * arm.c (arm_return_in_memory): APCS rules state that the elements
11380 of a structure returned in a register must be 'integer-like'.
11382 1999-10-19 Bruce Korb <autogen@linuxbox.com>
11384 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
11385 in the source tree when the generated targets are out of date
11386 * fixinc/genfixes: Alter it to run individual fixes for make.
11387 * fixinc/README: rewrite
11388 * fixinc/inclhack.def: moved initial comments to README
11390 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
11392 * toplev.c (main): Do not generate an error message if an
11393 unrecognised command line switch is recognisable by another
11394 language. If extra_warnings are enabled, then generate a
11395 warning message instead.
11397 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
11399 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
11400 (insert_pack_attributes): Delete prototype.
11402 * c-pragma.c (default_alignment): New static variable.
11403 (push_alignment): Initialize to current effective alignment.
11404 (pop_alignment): Use to set new alignment.
11405 (insert_pack_attributes): Delete function.
11406 (handle_pragma_token): Set default_alignment as well each time
11407 a #pragma pack(<n>) is encountered.
11409 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
11411 * reg-stack.c (stack_result): Aggregates are not returned in
11414 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
11416 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
11418 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
11420 * basic-block.h (set_block_num): Declare.
11421 * flow.c (update_life_info): Don't call compute_bb_for_insn
11422 or free_basic_block_vars.
11423 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
11424 (insn_orig_block): Remove.
11425 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
11426 (schedule_block): Keep BLOCK_NUM up-to-date.
11427 (schedule_insns): Use compute_bb_for_insn.
11428 * recog.c (split_all_insns): Likewise.
11429 (peephole2_optimize): Likewise.
11431 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
11433 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
11434 if the pic register is used.
11436 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11438 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
11439 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
11440 if that tests TREE_PERMANENT.
11442 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
11444 * cse.c (invalidate_for_call): Do not remove memory references from
11445 the table here. It's handled elsewhere.
11447 * haifa-sched.c (add_dependence): Protect references to the
11448 true dependency cache with #ifdef INSN_SCHEDULING.
11449 (remove_dependence): Similarly.
11451 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
11452 to the cfg code that this is a return instruction.
11453 * mn10300.md (return_internal): Similarly.
11455 * combine.c (get_last_value): If the last set of a register
11456 is after subst_low_cuid, then we can not use it to determine
11457 the register's last value.
11459 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
11461 * Makefile.in: Back out previous change.
11463 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
11465 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
11467 * haifa-sched.c (add_dependence): Only check/update the cache
11469 (remove_dependence): Likewise.
11470 (schedule_insns): Only create the true_dependency_cache if the
11471 average number of instructions in a basic block is very large.
11473 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
11475 * Makefile.in (ggc-common.o): Depend on genrtl.h.
11476 (ggc-simple.o): Likewise.
11477 (ggc-page.o): Likewise.
11479 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
11481 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
11482 Prototype for exported functions.
11483 (pre_lcm, pre_rev_lcm): Remove prototypes.
11484 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
11485 (compute_available): Move to lcm.c, and change parameter order.
11486 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
11487 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
11488 (gcse_main): No longer call compute_preds_succs. Rebuild the
11489 set table after reach pre pass.
11490 (pre_insert_map, pre_delete_map, edge_list): New.
11491 (alloc_pre_mem): Allocate edge vectors.
11492 (free_pre_mem): Delete edge vectors.
11493 (compute_pre_data): Call new edge based lcm routines.
11494 (process_insert_insn): New function.
11495 (insert_insn_end_bb): Use it.
11496 (pre_edge_insert): New function.
11497 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
11499 (pre_insert_copies): Revamp using new edge based lcm outputs.
11500 (pre_delete): Likewise.
11501 (one_pre_gcse_pass): Insert & remove fake edges to the exit
11503 (compute_code_hoist_vbeinout): New new edge based routines.
11504 * lcm.c: Remove all the old LCM functions. Replace with new ones
11505 that work with the new cfg datastructures and work with edges
11508 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11510 * reload.h (struct reload): Add new fields "mode" and "nregs".
11511 * reload1.c: Change all occurrences of reload_mode and reload_nregs
11512 to reference the "mode" and "nregs" field within struct reload.
11514 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
11516 * haifa-sched.c (true_dependency_cache): New.
11517 (add_dependence): Use the true dependency cache to avoid expensive
11518 walks down the LOG_LINKS dependency list. Add entries to the
11519 cache as necessary.
11520 (remove_dependence): Remove entries from the true dependency cache
11522 (schedule_insns): Allocate and initialize and free the true
11525 * haifa-sched.c (schedule_insns): Do not remove inter-block
11526 dependencies anymore.
11528 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
11530 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
11531 * i386/t-winnt: Likewise.
11533 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
11535 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
11537 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
11539 * Makefile.in (LANGUAGES): Omit "proto".
11540 (clean): Remove stale comment about removing unprotoize.c.
11542 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11544 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
11545 using arithmetic on void pointers.
11547 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
11549 * haifa-sched.c (compute_block_forward_dependencies): Only check
11550 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
11552 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
11554 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
11555 (expr_equiv_p): Reject memories with different alias sets.
11557 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
11559 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
11560 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
11561 (f_options): Add "bounded-pointers" and "bounds-check" entries.
11562 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
11563 (lang_init): Set default for flag_bounds_check if still "unspecified".
11565 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11567 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
11569 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11571 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
11574 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11576 * config/c4x/c4x.md (*db_noclobber,
11577 *decrement_and_branch_until_zero_noclobber): New patterns and
11578 associated splitters.
11580 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11582 * config/c4x/c4x.md (parallel instruction patterns): Rework
11583 constraints to keep reload happy.
11585 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11587 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
11588 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
11589 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
11590 Add new patterns and associated post-reload splitters.
11592 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11594 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
11596 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11598 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
11600 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
11602 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11604 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
11607 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
11609 * pa.c (move_operand): Rely on memory_address_p to determine the
11610 validity of non-indexed memory addresses.
11611 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
11612 operand in DFmode and SFmode when generating PA2.0 code.
11614 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
11616 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
11618 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
11620 * mips.c (function_prologue): Fix argument types.
11621 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
11622 (casesi_internal): Write to the scratch register.
11624 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
11626 * cppexp.c (cpp_parse_escape): Make static. Change second arg
11628 (parse_charconst): Delete unnecessary cast when calling
11630 (cpplib.h): Kill prototype of cpp_parse_escape.
11632 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
11634 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
11635 * unroll.c (unroll_loop): Cast return value of alloca.
11636 * i370/i370.c: Include function.h and toplev.h.
11637 (i370_label_scan): Remove c++ commented abort.
11638 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
11639 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
11640 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
11641 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
11643 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
11645 * config/t-freebsd: Do not override USER_H.
11646 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
11648 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
11649 Mumit Khan <khan@xraylith.wisc.edu>
11651 * c-parse.in (component_decl): Support anonymous struct/union.
11653 * c-parse.y: Regenerate.
11654 * c-parse.c: Likewise.
11655 * objc/objc-parse.y: Likewise.
11656 * objc/objc-parse.c: Likewise.
11657 * c-decl.c (finish_struct): Don't sort the fields.
11658 (field_decl_cmp): Delete unused function.
11660 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
11662 * sparc.md (movsf_const_intreg): Revert last constraint change.
11663 (movdf_const_intreg_sp32): Likewise.
11665 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
11667 * cse.c: Include hashtab.h instead of splay-tree.h
11668 (struct cse_reg_info): No longer use variant union. Add new
11669 field "regno". All references changed to avoid union.
11670 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
11671 (free_cse_reg_info): Remove.
11672 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
11673 (get_cse_reg_info): Revamp to use expandable hash tables instead
11674 of splay trees. Initialize new fields in cse_reg_info structure.
11675 (new_basic_block): Similarly.
11677 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
11679 * genrecog.c (message_with_line): Prototype.
11680 (validate_pattern): Pass along the set for the dest, not a flag.
11681 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
11682 Check for PC/CC0 as sources.
11683 (nodes_identical): Check for children position match before
11684 allowing the combination.
11686 * rtl.c (read_rtx): Track line number across \\\n.
11688 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
11690 * mips.h (SPECIAL_MODE_PREDICATES): New.
11691 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
11692 (movdi+1, movsi+1): Add output reload constraint.
11693 (casesi_internal): Likewise. Fix commentary.
11694 (return_internal): Use pmode_register_operand.
11696 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
11698 * 1750a.md (movstrqi): Add missing output reload constraint.
11699 (call_value): Likewise.
11700 * a29k.md (cpxxx patterns): Add missing match_operator mode.
11701 (jmpfdec): Add missing inout reload constraint.
11702 * elxsi.md (addsi patterns): Add missing output reload constraint.
11703 (move from sp): Use @ alternates.
11704 (call_value): No constraint on output.
11705 * fr30.md (movsi_pop): Add missing output reload constraint.
11706 (movsf_constant_store): Likewise.
11707 (splits): Remove constraints.
11708 (subsi3): Add missing mode.
11709 * i370.md (cmpstrsi+1): Add missing output reload constraint.
11710 (call_value): Likewise.
11711 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
11712 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
11713 * m32r.md (movsicc_internal): Add output reload constraint.
11714 (movstrsi_internal): Add inout reload constraints.
11715 * m88k.h (reg_names): Don't declare.
11716 (SPECIAL_MODE_PREDICATES): New.
11717 * m88k.md (*): Use register_operand not reg_or_0_operand
11719 * mn10200.h (PREDICATE_CODES): New.
11720 * ns32k.md (ffs pattern): Add output reload constraint.
11721 * pdp11.md (sob pattern): Add inout reload constraint.
11722 * sh.md (splits): Remove constraints.
11723 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
11724 * v850.md (pattern_is_ok_for_epilogue): Likewise.
11725 * vax.md (jgequ pattern): Add inout reload constraint.
11727 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
11729 * configure.in (djgpp): Revert previous patch.
11730 * configure: Rebuit.
11731 * config/i386/djgpp.h: Revert previous patch.
11733 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
11735 * fixinc/inclhack.def: Restore patch lost during last merge of
11736 "no_bogosity" branch.
11737 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
11739 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
11741 * fixincludes: Add a HPUX 11 fix for inttypes.h.
11742 * fixinc/inclhack.def: Same.
11743 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
11745 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
11747 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
11748 as the base of a PLUS.
11750 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11752 * config/c4x/c4x.md: Define mode for remaining unspec operators.
11753 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
11755 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
11757 * pa.md (post_stw+1): Use pmode_register_operand.
11758 (dcacheflush, icacheflush): Likewise.
11760 * i386.md (movstricthi_1): Allow r/r.
11762 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
11764 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
11765 to (not (and (arg0) (arg1))). Similary for and.
11767 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
11768 fallthrough to associate code.
11769 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
11772 * combine.c (simplify_logical): Convert XOR to IOR if operands have
11773 no bits in common; remove XOR to ROTATE conversion.
11775 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11777 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
11779 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11781 * config/c4x/c4x.c (dst_operand): New.
11782 (PREDICATE_CODES): Update.
11783 * config/c4x/c4x.h (dst_operand): Declare it.
11784 * config/c4x/c4x.md: Define mode for each unspec usage.
11785 (move patterns): Use dst_operand predicate instead of src_operand.
11786 (movqi_update, movqf_update): Delete.
11788 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
11790 * recog.c (pmode_register_operand): New.
11791 * recog.h: Declare it.
11792 * genrecog.c (pred_codes): Likewise.
11793 (special_mode_pred_table): Likewise.
11794 (validate_pattern): Don't warn no mode for address_operand.
11796 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
11797 if the operand is not insn-like.
11799 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
11800 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
11802 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
11804 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
11806 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
11807 instead of general_operand in a SET_DEST. Use const_double_operand
11808 instead of an explicit test against CONST_DOUBLE.
11809 (movsf_const_lo): Add missing register mode.
11810 (goto_handler_and_restore): Add auxiliary test for Pmode.
11811 (flush): Adjust to use address_operand.
11812 (return_sf_no_fpu): Add missing output constraint.
11814 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
11816 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
11817 for call return value.
11818 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
11820 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
11822 * toplev.c (main): Only warn about options for other languages.
11823 * collect2.c (main): Pass -w to sub-gcc.
11825 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
11827 * flow.c (propagate_block): Add call-clobbered registers to
11830 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
11831 zapping mem_set_list.
11832 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
11833 (mark_set_1, mark_used_regs): Likewise.
11835 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
11837 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
11839 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11841 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
11842 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
11843 options. Also add a new item "C-only Warning Options" to the
11846 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
11848 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
11849 from multiple calls.
11851 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
11853 * i386.md (call value patterns): Move to the end of the file.
11854 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
11856 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
11858 * configure.in (djgpp configuration): Define extra_objects..
11859 * configure: Rebuilt.
11860 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
11861 (DTORS_SECTION_ASM_OP): Define.
11862 (INIT_SECTION_ASM_OP): Define.
11863 (FINI_SECTION_ASM_OP): Define.
11864 (DATA_SECTION_ASM_OP): Define.
11865 (TEXT_SECTION_ASM_OP): Define.
11866 (EH_FRAME_SECTION_ASM_OP): Define.
11867 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
11868 (STARTFILE_SPEC): Add crtbegin.o.
11869 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
11870 to here from LINK_COMMAND_SPEC.
11871 (DO_GLOBAL_CTORS_BODY): Define.
11872 (CRTSTUFF_USE_FINI_SECTION): Define
11873 (HAS_INIT_SECTION): Delete.
11875 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
11877 * Makefile.in (all.cross): Depend on xcpp$(exeext).
11879 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
11881 * pa.h (PREDICATE_CODES): New.
11883 * genrecog.c (validate_pattern): Condense the destination
11884 non-lvalue message.
11886 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
11888 * alpha.md (call-1): Supply missing mode for operator.
11889 (*): Add missing output reload constraints. Remove constraints
11890 from define_splits.
11892 * i386.h (SPECIAL_MODE_PREDICATES): New.
11893 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
11894 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
11895 (addsi_lea_3): Add missing mode for op 3.
11896 (prologue_set_got, prologue_get_pc): Add missing modes.
11897 (*) Add missing output reload constraints.
11899 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
11901 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
11902 check for member bit-size overflow and use var_size if it occurs.
11903 (layout_record): Use bitsize_int() to define the type size in bits.
11904 Likewise for computation and assignment to DECL_FIELD_BITPOS.
11905 (layout_decl): Likewise when assigning to DECL_SIZE.
11907 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
11909 * genrecog.c (validate_pattern): Typo last change. Verify
11910 that output operands have output reloads.
11912 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
11914 * genrecog.c (special_mode_pred_table): New.
11915 (NUM_SPECIAL_MODE_PREDS): New.
11916 (find_operand): New.
11917 (validate_pattern): New argument `insn'. Warn for assignment to
11918 any predicate accepting non-lvalues. Conditionaly warn for
11919 match_operand without a mode. Try much harder to match source
11920 and destination modes on a set.
11921 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
11923 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
11925 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
11927 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
11929 * combine.c (simplify_logical): Recognize xor pattern that encodes
11932 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11934 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
11937 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
11939 * ggc-page.c (MAP_FAILED): Provide default.
11941 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
11943 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
11944 * sparc.h (PREDICATE_CODES): Update.
11946 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
11948 * alpha.c (some_ni_operand): New.
11949 * alpha-protos.h: Declare it.
11950 * alpha.h (PREDICATE_CODES): Update.
11951 * alpha.md (sXaddq reload insns): Use some_ni_operand
11952 for SET_DEST instead of some_operand.
11954 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
11955 Jim Wilson <wilson@cygnus.com>
11957 * genrecog.c (maybe_both_true_2): Don't compare modes of
11959 (process_tree): Elide peephole2_insns. Invoke simplify_tests
11960 after find_afterward.
11961 (debug_decision_1): Dump next and afterward codes.
11963 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
11965 * rtl.c (dump_and_abort): Remove.
11966 (fatal_with_file_and_line): New.
11967 (fatal_expected_char): New.
11968 (read_rtx_lineno, read_rtx_filename): New.
11969 (read_skip_spaces): Track line number.
11970 (read_name): Use fatal_with_file_and_line.
11971 (read_rtx): Use fatal_expected_char. Track line number.
11972 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
11974 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
11975 if it isn't a CODE_LABEL.
11977 * genattr.c (main): Set read_rtx_filename.
11978 * genattrtab.c (main): Likewise.
11979 * gencodes.c (main): Likewise.
11980 * genconfig.c (main): Likewise.
11981 * genemit.c (main): Likewise.
11982 * genextract.c (main): Likewise.
11983 * genflags.c (main): Likewise.
11984 * genopinit.c (main): Likewise.
11985 * genoutput.c (main): Likewise.
11986 * genpeep.c (main): Likewise.
11988 * genrecog.c (decision_test.u.insn): Add `lineno'.
11989 (pattern_lineno, error_count): New variables.
11990 (message_with_line): New.
11991 (add_to_sequence): Break out checking code to ...
11992 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
11993 (merge_insn): Use message_with_line.
11994 (make_insn_sequence): Use validate_pattern. Record insn lineno.
11995 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
11997 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11999 * expr.c (store_constructor): Clear union if constructor is empty.
12001 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
12003 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
12004 Add !endian checks. Change %{...} to %(...).
12006 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
12008 * i386.md (*addsi3_cc): Renamed from addcsi3.
12009 (*addsi3_carry): Renamed from addxsi3.
12010 (*subsi3_cc): Renamed from subcsi3.
12011 (*subsi3_carry): Renamed from subxsi3.
12012 (*xorqi_cc_1): Renamed from xorcqi_1.
12013 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
12014 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
12016 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
12018 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
12019 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
12021 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
12023 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
12024 climb up the chain of insns.
12026 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
12028 * genrecog.c (write_subroutine): Careful for null trees.
12029 (process_tree): Don't elide empty functions.
12031 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
12033 * Makefile.in (genrtl.o): Depend on ggc.h.
12034 * configure.in (valloc): Probe for it.
12035 (with-gc): Use ggc-page if valloc present.
12036 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
12037 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
12038 (ggc_alloc_string): Moved from ggc-page.c.
12039 * ggc-none.c (ggc_alloc_obj): New.
12040 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
12041 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
12042 (struct globals): Likewise for dev_zero_fd.
12043 (init_ggc): Likewise for it's initialization.
12044 (ggc_allocated_p): Move careful dereference from ...
12045 (ggc_lookup_page_table): ... here. Delete.
12046 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
12047 (alloc_anon): Use valloc if no mmap.
12048 (release_pages): Use free if using valloc.
12049 (ggc_alloc_obj): Renamed from alloc_obj.
12050 (ggc_set_mark): Renamed from mark_obj.
12051 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
12052 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
12053 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
12054 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
12055 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
12056 (ggc_collect): Use fp printing instead of our own rounding.
12057 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
12058 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
12059 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
12060 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
12061 (struct ggc_string, struct ggc_any): Delete.
12062 (offsetof): Provide default definition.
12063 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
12065 (struct ggc_mem): New, from corpse of ggc_any.
12066 (struct ggc_status): Delete.
12067 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
12068 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
12069 (n_strings_collected, n_anys_collected): Delete.
12070 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
12071 (ggc_alloc_string, ggc_alloc): Delete.
12072 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
12073 (ggc_free_string, ggc_free_any): Delete.
12074 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
12075 (ggc_compare_addresses, ggc_mark_string): Delete.
12076 (ggc_mark_string_if_gcable, ggc_mark): Delete.
12077 (search_data): Delete.
12078 (struct globals): New.
12079 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
12080 (tree_insert, tree_lookup): New.
12081 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
12082 (clear_marks, sweep_objs): New.
12083 (ggc_collect): Gut. Use clear_marks, sweep_objs.
12084 (init_ggc): Set allocated_last_gc.
12085 (ggc_push_context): Gut. Use G.context.
12086 (ggc_pop_context): Likewise.
12087 (ggc_pop_context_1): New.
12088 (debug_ggc_tree): New.
12089 (debug_ggc_balance, tally_leaves): New.
12090 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
12091 (ggc_mark_string_if_gcable): Remove decl.
12092 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
12093 (ggc_mark_rtvec_children): New.
12094 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
12095 (ggc_mark_if_gcable): New decl.
12096 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
12097 (ggc_alloc_tree, ggc_alloc): Likewise.
12098 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
12099 (ggc_alloc_obj): New decl.
12100 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
12101 (ggc_alloc_tree, ggc_alloc): Likewise.
12102 (ggc_set_mark): New decl.
12103 * rtl.h (struct rtx_def): Remove gc_mark.
12104 (struct rtvec_def): Likewise.
12105 * tree.h (struct tree_common): Likewise.
12107 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
12109 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
12110 float_format and thread_file definitions.
12111 * configure: Rebuilt.
12113 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
12115 * extend.texi (Function Names): Document types of function names.
12117 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12119 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
12120 an earlyclobbered output conflict with RELOAD_INPUT reloads.
12122 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12124 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
12126 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12128 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
12130 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
12132 * collect2.c (main): Do prelimnary link on AIX if rflag.
12134 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
12136 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
12137 __CTOR_LIST__ in opposite order, which is the correct order for sorted
12139 (__do_global_dtors): similarly for __DTOR_LIST__.
12141 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12142 Diego Novillo <dnovillo@cygnus.com>
12144 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
12147 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
12149 * fixincl/*: Merged "no_bogosity" branch
12150 * fixincl/fixlib.h: protect against doubly defining t_bool
12151 * fixincl/server.h: protect against doubly defining t_bool
12153 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
12155 * genoutput.c: Include toplev.h.
12157 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
12159 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
12161 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
12162 * configure: Regenerate.
12164 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
12166 * gcse.c (delete_null_pointer_checks): Returns void.
12168 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12170 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
12171 * emit-rtl.c (copy_insn_1): Likewise.
12173 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12175 * config/mips/mips.c (mips_build_va_list): Correct
12176 TREE_CHAIN setting when hard-float.
12177 (mips_va_start): Use corrected setting.
12178 (mips_va_arg): Likewise. Also pass a tree to build of
12179 POSTINCREMENT_EXPR rather than a naked 'int'.
12181 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
12183 * ggc.h (ggc_push_context): Fix comment.
12184 (ggc_pop_context): Likewise.
12185 (mark_string_if_gcable): Likewise.
12186 * ggc-common.c (ggc_mark_rtx_children): Use
12187 ggc_mark_string_if_gcable.
12188 * ggc-page.c (ggc_lookup_page_table): New function.
12189 (ggc_allocated_p): Likewise.
12190 (mark_obj): Fix formatting.
12191 (ggc_mark_string_if_gcable): New function.
12192 * ggc-simple.c (ggc_allocated_strings): New variable.
12193 (ggc_strings_used): Likewise.
12194 (ggc_compare_addresses): New function.
12195 (ggc_pop_context): Pop the `any' memory too.
12196 (ggc_mark_string_if_gcable): New function.
12197 (ggc_collect): Initialize and tear down ggc_allocated_strings.
12199 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
12201 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
12202 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
12203 * rs6000.c (expand_block_move): Match movstrsi_?reg register
12206 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
12208 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
12209 (sched_reg_live_length, sched_reg_basic_block): Delete.
12210 (current_block_num, bb_live_regs, old_live_regs): Delete.
12211 (dead_notes, struct sometimes): Delete.
12212 (sched_note_set, birthing_insn_p): Delete.
12213 (adjust_priority): Gut useless reg lifetime code.
12214 (create_reg_dead_note, attach_deaths): Delete.
12215 (attach_deaths_insn, new_sometimes_live): Delete.
12216 (finish_sometimes_live): Delete.
12217 (find_pre_sched_live, find_post_sched_live): Delete.
12218 (update_reg_usage): Delete.
12219 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
12220 (schedule_insns): Delete reg lifetime code.
12221 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
12222 (unlink_other_notes): Adjust REG_NOTE commentary.
12223 (reemit_notes): Use REG_SAVE_NOTE.
12224 (schedule_block): Likewise.
12225 (schedule_region): Allocate bitmap of blocks in region. Use
12226 count_or_remove_death_notes. Use update_life_info.
12228 * rtl.h (REG_SAVE_NOTE): New.
12229 * rtl.c (reg_note_name): Update.
12231 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
12233 * combine.c (refresh_blocks, need_refresh): New.
12234 (combine_instructions): Allocate refresh_blocks. Invoke
12235 update_life_info if needed.
12236 (distribute_notes): Mark refresh_blocks instead of installing
12238 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
12239 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
12241 * Makefile.in (recog.o): Depend on basic-block.h.
12243 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
12245 * genrecog.c (add_to_sequence): Thinko last change: delete
12246 shadowing allow_const_int variable.
12248 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12250 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
12251 __GNUC__ and __GNUC_MINOR__.
12253 * gansidecl.h: Likewise.
12259 * toplev.h: Likewise.
12261 * tree.c: Likewise.
12263 * tree.h: Likewise.
12265 * varray.c: Likewise.
12267 * varray.h: Likewise.
12269 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12271 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
12272 use one before a jump table.
12274 * rtl.def (ADDRESS): Change documentation to match reality.
12275 * md.texi: Don't document it.
12276 * gmicro.md (load address pattern): Use 'p' constraint, delete use
12279 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
12281 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
12283 * genrecog.c (add_to_sequence): Move allow_const_int test outside
12284 known predicate block; default allow_const_int true.
12285 (debug_decision_list): New.
12287 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
12289 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
12291 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
12293 * gcse.c (gcse_main): Avoid global optimizations if we have a
12294 large number of basic blocks and the ratio of edges to blocks
12296 (delete_null_pointer_checks): Likewise.
12298 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
12300 * c-common.c (check_format_info): Warn if format string isn't a
12303 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
12305 * configure.in (arm*-*-*): Don't let autoconf remove brackets
12306 * configure: regenerate
12308 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
12310 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
12311 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
12312 (peepholes): Re-enable.
12314 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
12316 * Makefile.in (flow.o): Depend on TREE_H.
12317 * basic-block.h (REG_SET_EQUAL_P): New.
12318 (XOR_REG_SET): New.
12319 (n_edges): Declare.
12320 (free_regset_vector): Remove declaration.
12321 (flow_delete_insn_chain): Declare.
12322 (enum update_life_extent): New.
12323 (update_life_info, count_or_remove_death_notes): Declare.
12324 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
12325 Verify register live at bb->global_live_at_start before adding USE.
12326 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
12327 (CLEAN_ALLOCA): New.
12329 (PROP_*): New flags.
12330 (find_basic_blocks_1): Use alloc_EXPR_LIST.
12331 (clear_edges): Zero n_edges.
12332 (make_edge): Increment n_edges.
12333 (split_edge): Don't allocate bb->local_set. Increment n_edges.
12334 (flow_delete_insn_chain): Export.
12335 (delete_block): Decrement n_edges.
12336 (merge_blocks_nomove): Likewise.
12337 (life_analysis): Give life_analysis_1 PROP flags.
12338 (verify_wide_reg_1, verify_wide_reg): New.
12339 (verify_local_live_at_start): New.
12340 (update_life_info): Rewrite to call into propogate_block.
12342 (mark_regs_live_at_end): After reload, if epilogue as rtl,
12343 always mark stack pointer. Conditionally mark PIC register.
12344 After reload, mark call-saved registers, return regsiters.
12345 (life_analysis_1): Accept PROP flags not remove_dead_code.
12346 Call mark_regs_live_at_end before zeroing regs_ever_live.
12347 Use calculate_global_regs_live. Copy global_live_at_end before
12348 calling final propagate_block. Zero reg_next_use on exit.
12349 (calculate_global_regs_live): New.
12350 (allocate_bb_life_data): Don't allocate bb->local_set.
12351 (init_regset_vector, free_regset_vector): Remove.
12352 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
12353 Test flags before every operation. Warn if prologue/epilogue insn
12354 would have been deleted.
12355 (mark_set_regs, mark_set_1): Accept and use FLAGS.
12356 Use alloc_EXPR_LIST.
12357 (mark_used_regs): Accept and use FLAGS, not FINAL.
12358 Remove special handling for RETURN.
12359 (try_pre_increment): Use alloc_EXPR_LIST.
12360 (dump_flow_info): Dump n_edges.
12361 (unlink_insn_chain, split_hard_reg_notes): Remove.
12362 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
12363 (find_insn_with_note, new_insn_dead_notes): Remove.
12364 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
12365 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
12366 (replace_insns): Remove.
12367 (count_or_remove_death_notes): New.
12368 (verify_flow_info): Abort on error after all checks.
12369 (remove_edge): Decrement n_edges.
12370 (remove_fake_edges): Tweek format.
12371 * haifa-sched.c (schedule_insns): Use split_all_insns.
12372 * output.h (update_life_info): Remove declaration.
12373 * recog.c (split_all_insns): From the corpse of split_block_insns,
12374 do the whole function block by block. Use update_life_info.
12375 (recog_last_allowed_insn): New.
12376 (recog_next_insn): Mind it.
12377 (peephole2_optimize): Set it. Walk backwards through blocks.
12378 Use update_life_info.
12379 * rtl.h (update_flow_info, replace_insns): Remove declarations.
12380 (split_all_insns): Declare.
12381 * toplev.c (rest_of_compilation): Thread prologue before flow2.
12382 Use split_all_insns.
12384 * i386.md (or -1 peep2s): Disable.
12386 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
12388 * config/mips/mips.md (movstrsi+[123]) : Combine these into
12389 a single pattern. Scrap the 'd' versions as unnecessary.
12391 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
12392 tablejump_mips162,tablejump_internal4): The operands to a
12393 label_ref must be VOIDmode.
12395 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12397 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
12399 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
12401 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
12403 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
12405 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
12406 cache every function if ggc_p.
12408 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12410 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
12411 instead of copy_rtx. Accept sequences that contain asm statements.
12412 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
12413 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
12414 orig_asm_operands_vector, copy_asm_operands_vector,
12415 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
12417 * rtl.h (copy_insn, copy_insn_1): Declare.
12419 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12421 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
12423 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
12424 arguments to `current_file_function_operand'.
12426 * genrecog.c: Include hard-reg-set.h and resource.h in the
12427 generated output file.
12429 * real.c: Include tm_p.h.
12431 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12433 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
12436 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
12438 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
12439 before the fctiwz insn.
12441 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12442 Mark Mitchell <mark@codesourcery.com>
12444 * tree.c (make_lang_type_fn): New funtion pointer.
12445 (make_lang_type): Call it.
12446 * tree.h (make_lang_type): Declare.
12447 (make_lang_type_fn): Likewise.
12448 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
12450 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
12452 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
12453 make sure that HIGH instructions are copied into BASE_REGS.
12455 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
12457 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
12459 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
12461 * c-decl.c (finish_struct): Use simpler method of
12462 removing elements of a singly-linked list.
12464 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
12466 * alpha.md (peephole2's): Comment out peephole2's that generate
12469 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
12471 * genrecog.c (add_to_sequence): Disable mode check for
12474 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12476 * ggc-simple.c (init_ggc): Set empty_string.
12478 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
12480 * configure.in: Detect mmap. Add --with-gc=foo to select
12481 garbage collector; default to page if mmap available.
12482 * Makefile.in (GGC): Substitute.
12484 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
12486 * c-decl.c (ggc_p): Enable.
12488 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12490 * flow.c (verify_flow_info): Make it extern & unconditionally define.
12492 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
12494 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
12495 string for little-endian-data.
12497 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
12499 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
12500 case somebody tries to compile --enable-checking code with gcc
12503 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
12505 * genrecog.c (add_to_sequence): Verify operand to label_ref is
12508 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
12510 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
12511 * jump.c (jump_optimize_1): Document why.
12513 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12515 * collect2.c (scan_prog_file, scan_libraries): Prototype function
12516 pointers and casts for `int_handler' and `quit_handler'.
12518 * flow.c (verify_flow_info, split_hard_reg_notes,
12519 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
12520 remove_edge, remove_fake_successors): Add static prototypes.
12521 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
12522 (mark_set_1): Initialize variable `regno'.
12523 (unlink_insn_chain): Likewise for variable `curr'.
12524 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
12526 * loop.c (strength_reduce): Initialize variable
12527 `unrolled_insn_copies'.
12528 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
12529 prototypes. Change these functions to take const PTR parameters
12530 to avoid prototype conflict when used as the comparson argument
12532 (check_dbra_loop): Initialize variable `comparison_val'.
12534 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
12535 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
12536 (find_valid_class): Initialize variable `best_class'.
12537 (find_reloads): Call memcpy, not bcopy.
12539 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
12540 (hard_reg_use_compare): Don't needlessly cast away const.
12541 (reload_reg_class_lower): Likewise.
12542 (choose_reload_regs): Initialize variable `regno'.
12544 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
12546 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
12548 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
12550 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
12551 ({,d}discard): Add forward declarations. Declare parameter as
12553 (main_without_main): Explicitly declare return type to be int.
12554 (memcpy): Properly declare.
12556 * libgcc2.c (toplevel): If inhibit_libc is defined and not
12557 building the trampoline support, declare malloc, free, and
12559 (__clear_cache): Mark arguments as potentially unused.
12561 * frame.c (toplevel): If inhibit_libc is defined, declare
12564 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
12566 * flow.c (make_edge): Accept an optional 2D bitmap in which
12567 to cache edge existence. Update all callers.
12568 (make_label_edge, make_eh_edge): Pass through the edge cache.
12569 (make_edges): Provide the cache.
12571 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12573 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
12575 (local_mbtowc): Change the type of variable `i' from int to size_t.
12577 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
12578 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
12580 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
12582 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
12583 after other includes that define the appropriate types. Include
12584 tm_p.h for getting user prototypes.
12585 * ggc-callbacks.c (toplevel): Ditto.
12586 * ggc-none.c (toplevel): Ditto.
12587 * gcc-page.c (toplevel): Ditto.
12588 * ggc-simple.c (toplevel): Ditto.
12590 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
12591 Jonathan Larmour <jlarmour@cygnus.co.uk>
12593 * config/mips/mips.c (mips_move_2words): Split doubles if
12594 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
12596 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
12598 * genrecog.c (struct decision_test): New.
12599 (struct decision): Remove test-related members, sort the rest by size.
12600 (IS_SPLIT): Simplify.
12601 (new_decision, new_decision_test): New.
12602 (add_to_sequence): Use them. No special handling for args of
12604 (maybe_both_true): Renamed from not_both_true; return sense changed.
12605 (maybe_both_true_1, maybe_both_true_2): New. Broken out
12606 of maybe_both_true and adjusted for decision_test.
12607 (position_merit): Remove.
12608 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
12609 (merge_accept_insn): New, broken out of merge_trees.
12610 (merge_trees): Use them. No special case for c_test; no node
12611 splitting; use test type instead of position_merit.
12612 (factor_tests): New.
12613 (simplify_tests): New.
12614 (break_out_subroutines): Don't write code now.
12615 (find_afterward): New.
12616 (write_afterward, write_switch, write_cond): New.
12617 (write_action, is_unconditional): New.
12618 (write_node): New. Use them.
12619 (write_tree_1): Rewrite. Use the new functions above.
12620 (write_tree): Remove afterward processing.
12621 (write_subroutine): Simplify function variant emission.
12622 (write_subroutines): New.
12623 (same_codes, clear_codes): Remove.
12624 (same_modes, clear_modes): Remove.
12625 (write_header): New, broken out of main.
12626 (make_insn_sequence): Use new_decision and new_decision_test.
12627 (process_tree): New, broken out of main.
12628 (main): Adjust for merge_trees interface change.
12629 Don't #define operands in the output file.
12630 (record_insn_name): New, broken out of make_insn_sequence.
12631 (debug_decision_2, debug_decision_1, debug_decision_0): New.
12632 (debug_decision): New.
12634 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
12636 * resource.c (find_free_register): Mark class_str argument const.
12637 * resource.h: Update prototype to match.
12639 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
12640 * i386.md: Give all anonymous insns names.
12642 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
12644 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
12647 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
12649 * toplev.c (dbr_sched_time): Unconditional.
12650 (peephole2_time): New.
12651 (compile_file): Add pass numbers to all of the dump file suffixes.
12652 Dump peephole2_time. Don't dump times for non-applicable passes.
12653 (rest_of_compilation): Add pass numbers to dump file suffixes.
12654 Conditionalize calls to the scheduler.
12655 * invoke.texi: Update.
12657 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
12659 * flow.c (make_edges): Fix insn iteration.
12660 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
12661 (find_basic_blocks_1): Fix spelling mistake.
12663 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
12665 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
12666 always have side-effects. Use memset not bzero.
12667 (make_node): Likewise.
12669 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
12671 * stmt.c (expand_anon_union_decl): When any of the elements of the
12672 union is addressable, so is the entire union.
12674 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
12676 * sbitmap.c (sbitmap_ones): Don't set too many bits.
12678 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
12679 * bitmap.c (bitmap_operation): Return true iff TO changed.
12680 (bitmap_equal_p): New.
12681 (bitmap_bit_p): Tidy arithmetic.
12682 (debug_bitmap_file): Likewise.
12684 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
12686 * toplev.c (rest_of_compilation): Turn on cse_not_expected
12687 before cse2 instead of after.
12689 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
12691 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
12694 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12696 * cppinit.c (is_idchar initializer): Loosen tests to accept
12699 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
12701 * mips.md: Define conditional move patterns for floating point
12702 operands and DI mode conditions.
12704 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
12706 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
12707 always have side-effects.
12709 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
12711 * mn10200.c (asm_file_start): Fix typo.
12713 * cppinit.c (is_idchar initializer): Tighten tests for when
12714 to put the table into initialized memory.
12716 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
12717 not an array of rtunion.
12718 * gcc-page.c (ggc_alloc_rtvec): Similarly.
12719 * gcc-simple (ggc_free_rtvec): Similarly.
12721 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
12724 * mbchar.h: Add missing #endif.
12726 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
12727 (FPBIT, DPBIT): Define.
12729 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12731 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
12733 * profile.c (instrument_arcs, output_gcov_string,
12734 tablejump_entry_p): Add static prototypes.
12735 (output_gcov_string): Constify a char*.
12737 * regmove.c (replacement_quality, fixup_match_2): Add static
12740 * resource.h (reg_dead_p): Add extern prototype.
12742 * rtl.c (trim_filename): Add static prototype.
12744 * scan-decls.c (skip_to_closing_brace): Likewise.
12746 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
12747 (expand_end_case): Initialize variable `range'.
12748 (emit_case_nodes): Remove unused prototype `rtx_fn'.
12750 * varasm.c (asm_emit_uninitialised): Add static prototype.
12751 (asm_emit_uninitialised, assemble_variable): Mark parameter with
12754 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12756 * cpplib.c (if_directive_nameo): Add static prototype.
12758 * cse.c (cse_insn): Remove unused variable `p'.
12760 * except.c (create_rethrow_ref, push_entry,
12761 receive_exception_label, new_eh_region_entry, find_func_region,
12762 clear_function_eh_region, process_nestinfo): Add static prototypes.
12763 (get_reg_for_handler): Hide definition.
12764 (process_nestinfo): Initialize variable `extra_handlers'.
12766 * expr.h (expand_builtin_longjmp): Add extern prototype.
12768 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
12770 * function.c (prepare_function_start): Likewise.
12771 (pop_function_context_from): Mark parameter `context' with
12773 (push_temp_slots_for_block, flush_addressof): Hide definition.
12775 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
12776 solve_program_flow_graph, calculate_branch_probs,
12777 function_summary, main, fancy_abort): Add prototypes.
12779 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
12780 (add_hash): Constify a char*.
12782 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
12783 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
12784 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
12786 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
12788 * lists.c (free_list, zap_lists): Likewise.
12790 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12792 * alias.c (nonlocal_reference_p): Add static prototype.
12794 * bitmap.c (bitmap_element_allocate): Prototype args in function
12797 * builtins.c (stabilize_va_list): Add static prototype.
12798 (expand_builtin_va_arg): Constify a char*.
12800 * c-lex.c (getch, put_back, extend_token_buffer_to,
12801 read_line_number, token_getch, token_put_back): Add static
12804 * c-parse.gperf (hash, is_reserved_word): Likewise.
12806 * cccp.c (is_dir_separator): Likewise.
12808 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12810 * graph.h: New file to prototype functions exported by graph.c.
12812 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
12814 * graph.c: Include graph.h.
12816 * toplev.c: Likewise. Remove redundant prototypes.
12818 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
12820 * invoke.texi: Removed duplicated description for -Q.
12822 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
12824 * extend.texi: Grammar fix in __extension__ text.
12826 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
12828 * md.texi (define_peephole2): New section.
12830 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
12832 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
12833 (mov $-1 to or peepholer): Enable for pentium when optimizing for
12836 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
12838 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
12840 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
12842 * i386.md (ffs expander): Emit Pentium friendly code for
12845 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
12847 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
12849 (build1): Likewise.
12851 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12853 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
12855 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
12857 * config/m68k/m68k.c (use_return_insn): Return false if the pic
12858 register is in use.
12860 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12862 * md.texi (No Constraints): Delete section.
12863 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
12864 * final.c (final_scan_insn): We always have register constraints.
12865 * genattrtab.c: Don't include "insn-config.h".
12866 (write_attr_case): We always have register constraints.
12867 * genconfig.c (register_constraint_flag): Delete.
12868 (walk_insn_part): Don't check whether we have register constraints.
12869 (main): Don't write out "#define REGISTER_CONSTRAINTS".
12870 * genoutput.c (have_constraints): Delete.
12871 (main): Don't set it.
12872 (output_operand_data): We always have constraints.
12873 (scan_operands): Likewise.
12874 (compare_operands): Likewise.
12875 * local-alloc.c (block_alloc): We always have constraints.
12876 (requires_inout): Always compile this function.
12877 * recog.c (extract_insn): We always have constraints.
12878 (constrain_operands, reg_fits_class_p): Always compile these
12880 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
12882 (struct insn_operand_data): Likewise.
12883 * regclass.c (regclass): We always have constraints.
12884 (record_reg_classes, copy_cost, record_address_regs,
12885 auto_inc_dec_reg_p): Always compile these functions.
12886 * regmove.c (regmove_optimize): We always have constraints.
12887 * reload.c (find_reloads): Likewise.
12888 * reload1.c (reload): Likewise.
12889 (reload_cse_simplify_operands): Likewise.
12890 * i860.c (output_delay_insn): Likewise.
12892 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
12894 * iris6.h (BUILD_VA_LIST_TYPE): Define.
12896 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12898 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
12899 for the va_list record.
12901 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
12903 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
12906 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
12908 * alias.c: Include insn-flags.h.
12909 * Makefile.in (alias.o): Update.
12911 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
12913 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
12914 to LTU and GEU. Handle more cases using sbb.
12916 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
12918 * i386.md (truncatexfdf splitters): Do not use subreg.
12919 (fop XFmode patterns): Fix mode in operand testing.
12921 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
12923 * jump.c (jump_optimize_1): Amend last change to test only the
12924 form of the operand, not the insn.
12926 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
12927 not register_operand to determine when B may need preloading.
12929 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
12931 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
12932 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
12933 (call-value patterns): Move to end of file.
12934 (*): Remove mode from label_ref in (pc) context.
12935 (movstrqi): Use memory not general_operand for BLKmode operands.
12936 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
12937 to register_operand operands.
12938 (peep2 patterns): Convert from commented-out peephole patterns.
12940 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12942 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
12943 to BUILT_IN_INIT_DWARF_REG_SIZES.
12944 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
12945 Renamed from BUILT_IN_DWARF_REG_SIZE; call
12946 expand_builtin_init_dwarf_reg_sizes.
12947 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
12948 with __builtin_init_dwarf_reg_size_table.
12949 * dwarf2out.c (struct reg_size_range): Delete.
12950 (expand_builtin_init_dwarf_reg_sizes): New function.
12951 (expand_builtin_dwarf_reg_size): Delete.
12952 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
12953 (expand_builtin_dwarf_reg_size): Don't declare.
12954 * libgcc2.c (dwarf_reg_size_table_initialized): New.
12955 (dwarf_reg_size_table): New.
12956 (init_reg_size_table): New function.
12957 (copy_reg): Use dwarf_reg_size_table.
12958 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
12961 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
12963 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
12964 Correctly build argument list to constructor and destructor functions.
12966 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
12968 * c-tree.h (warn_float_equal): Declare.
12969 * c-decl.c (warn_float_equal): Define.
12970 (c_decode_option): Recognize -W[no-]float-equal.
12971 * c-typeck.c (build_binary_op): Conditionally warn
12972 about equality tests of floating point types.
12973 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
12974 * invoke.texi: Add docs for -Wfloat-equal warning.
12976 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
12978 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
12979 generating RTL directly.
12980 * mips.h (INIT_TARGET_OPTABS): Likewise.
12981 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
12983 * expr.h (init_mov_optab): Delete declaration
12985 * h8300.c (WORD_REG_USED): Update to avoid useless register
12986 saves in interrupt functions and functions which never return.
12988 * cse.c (struct set): Delete inner_dest_loc field.
12989 (cse_insn): Remove assignments to inner_dest_loc field.
12991 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
12993 * ggc-page.c: Don't include <unistd.h> etc taken care of
12994 by "system.h". Include <sys/mman.h> afterward.
12996 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
12998 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
13001 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
13003 * xcoffout.c (xcoffout_declare_function): Add documentation.
13004 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
13005 TARGET_64BIT. Compare constant to -1, not bit pattern.
13006 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
13007 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
13010 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
13012 * dwarf2out.c (add_abstract_origin_attribute): Abort if
13013 origin_die is NULL.
13014 (gen_inlined_enumeration_type_die): Do not abort if the type has
13015 not been writeen out.
13016 (gen_inlined_structure_type_die): Do not abort if the type has
13017 not been writeen out.
13018 (gen_inlined_union_type_die): Do not abort if the type has
13019 not been writeen out.
13020 (gen_tagged_type_instantiation_die): Do not abort if the type
13021 has not been written out.
13023 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13025 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
13027 * reg-stack.c (straighten_stack): Copy hard reg set with
13030 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
13032 * builtins.c (stabilize_va_list): Stabilize array type va_list
13033 to a pointer type, not the base record type.
13034 (expand_builtin_va_copy): Dereference the pointers explicitly;
13035 use the correct size for the copy.
13037 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
13038 (rs6000_va_arg): Likewise.
13040 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
13042 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
13044 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
13046 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
13048 (DECL_BUILT_IN_CLASS): Adjust accordingly.
13050 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
13052 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
13053 (init_ggc): Use it instead of a constant.
13054 (ggc_collect): Bound allocated_last_gc by it.
13056 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
13058 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
13061 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
13063 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
13064 (mips*-*-openbsd*): Let big endian configuration be a fragment.
13065 * configure: Regen.
13066 * config/mips/openbsd.h: New, OpenBSD little endian target.
13067 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
13068 * config/mips/xm-openbsd.h: New, OpenBSD host.
13070 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
13072 * config/m68k/m68k.c (output_function_prologue,
13073 output_function_epilogue): Use
13074 current_function_uses_pic_offset_table instead of regs_ever_live
13075 to decide whether to save/restore pic register.
13076 (legitimize_pic_address): Don't modify regs_ever_live any more.
13078 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
13080 * function.h (struct function): Add x_dont_save_pending_sizes_p.
13081 * stor-layout.c (variable_size): Don't add sizes to the pending
13082 sizes list if x_dont_save_pending_sizes_p is set.
13084 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
13086 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
13087 for symbolic_operand().
13088 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
13090 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13092 * combine.c (gen_rtx_combine): Add missing call to va_end().
13094 * final.c (asm_fprintf): Likewise.
13096 * genattrtab.c (attr_rtx): Likewise.
13098 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
13100 * cse.c: Update comments.
13101 (cse_insn): When converting a conditional/computed jump into
13102 an unconditional jump, always make sure a BARRIER immediately
13103 follows the converted jump. Do not delete unreachable code.
13104 (cse_basic_block): Do not delete unreachable code.
13105 * toplev.c (rest_of_compilation): Move call to
13106 delete_trivially_dead_insns after the conditional call to
13109 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13111 * collect2.c (make_temp_file): Don't prototype.
13113 * gcc.c (make_temp_file): Likewise.
13115 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
13117 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
13119 * varasm.c (asm_emit_uninitialised): New function: Generate
13120 the assembler statements necessary to declare an uninitialised
13122 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
13124 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
13125 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
13127 (assemble_variable): Use asm_emit_uninitialised to emit an
13128 uninitialised variable.
13130 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
13132 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
13133 constant on a 64 bit host. Patch supplied by Geoffrey Keating
13134 <geoffk@cygnus.com>.
13136 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13138 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
13139 * c-common.h (builtin_function): Don't declare.
13141 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
13143 (pushdecl): Likewise.
13144 (finish_decl): Likewise.
13145 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
13146 int. All callers changed.
13147 Set the builtin's DECL_BUILT_IN_CLASS.
13148 * tree.h (enum built_in_class): New.
13149 (enum built_in_function): Delete NOT_BUILT_IN.
13150 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
13152 (DECL_SET_FUNCTION_CODE): Likewise.
13153 (DECL_BUILT_IN_CLASS): New macro.
13154 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
13155 (struct tree_decl): Split builtin function code field into a
13157 (builtin_function): Declare.
13159 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
13161 * optabs.c (init_traps): Fix typo in last change.
13163 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
13165 * toplev.c (rest_of_decl_compilation): Update comment.
13167 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
13169 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
13170 in .sbss if appropriate.
13171 (EXTRA_SECTION_FUNCTIONS): Add sbss.
13172 (SBSS_SECTION_ASM_OP): New macro.
13173 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
13174 (EXTRA_SECTIONS): Add in_sbss.
13175 * config/mips/mips.h: Prototype sbss_section.
13177 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
13179 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
13182 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
13184 * optabs.c (init_traps): Register trap_rtx as a GC root.
13186 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13188 * config/mips/mips.c (function_arg_pass_by_reference): Define
13189 unconditionally, since it's called unconditionally.
13191 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
13193 * toplev.c (documented_lang_options): Add -fshort-wchar.
13194 * c-decl.c (c_decode_option): Likewise.
13195 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
13197 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
13198 * gcc.c (default_compilers): If -fshort-wchar,
13199 override __WCHAR_TYPE__.
13200 * tm.texi (C Dialect Options): Add -fshort-wchar.
13202 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
13203 symbol for a variable.
13205 * cpplib.h (CPP_PREPROCESSED): New macro.
13206 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
13207 we're seeing this input for a second time.
13209 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
13211 * emit-rtl.c (init_emit_once): Initialize modes first.
13213 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
13215 * config/i386/i386.c (pic_label_name): Change to char pointer.
13216 (global_offset_table): New variable.
13217 (load_pic_register): Fill global_offset_table if it hasn't
13218 already been done. Allocate pic_label_name dynamically.
13219 * ggc.h (empty_string): New variable.
13220 * ggc-simple.c (empty_string): Likewise.
13221 (init_ggc): Allocate empty_string and add as root.
13222 * stmt.c (digit_strings): New variable.
13223 (init_stmt): Add last_block_end_note as root. Allocate and
13224 initialize digit_strings.
13225 (expand_asm_operands): Use empty_string instead of string
13226 constant. Use digit_strings instead of string constants.
13227 * profile.c (init_arc_profiler): Allocate string with
13228 ggc_alloc_string instead of xmalloc.
13229 (output_func_start_profiler): Likewise.
13230 * c-typeck.c (digest_init): Check if init is error_mark_node.
13232 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
13233 Richard Henderson <rth@cygnus.com>
13235 * ggc-page.c: New file.
13236 * Makefile.in (ggc-page.o): New.
13238 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
13240 * invoke.texi: Document -fdelete-null-pointer-checks
13241 * toplev.c (flag_delete_null_pointer_checks): New.
13242 (f_options): Add entry for -fdelete-null-pointer-checks.
13243 (rest_of_compilation): Conditionalize null pointer check
13244 elimination on flag_delete_null_pointer_checks.
13245 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
13247 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
13249 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
13250 copyright notice and special exception to GPL.
13252 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13254 * abi64.h (mips_function_value): Add prototype arguments.
13256 * mips-protos.h: New file with mips prototypes.
13258 * mips.c: Include "tm_p.h".
13259 (mktemp, lookup_name): Add prototype arguments.
13260 (extern_list, string_constant, mips_fill_delay_slot,
13261 mips_output_external, mips_output_external_libcall,
13262 mips_output_filename, mips_declare_object, function_prologue,
13263 mips_expand_prologue, function_epilogue, mips16_constant,
13264 build_mips16_function_stub, mips_output_conditional_branch):
13266 (mips_va_start): Remove unused variable `u'.
13267 (mips_va_arg): Cast value to unsigned when comparing against one.
13269 (save_restore_insns, mips_expand_prologue): Add missing arg in
13270 call to `large_int'.
13272 * mips.h: Move prototypes to mips-protos.h.
13273 (data_section, memory_address_p, rdata_section,
13274 readonly_data_section, simple_epilogue_p, text_section): Delete
13275 prototypes delcared elsewhere.
13276 (mips_epilogue_delay_slots, print_options): Delete unused decls.
13278 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
13280 * mips.md: Delete extra args in call to `mips_move_2words'.
13282 * xm-iris6.h (alloca): Add prototype argument.
13284 * genpeep.c: Include "tm_p.h" in generated output file.
13286 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13288 * basic-block.h (find_edge_index): Change parameters.
13289 * flow.c (verify_edge_list): Pass basic_block parameters to
13290 find_edge_index instead of integers.
13292 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
13294 * combine.c (simplify_comparison): Use an unsigned shift to adjust
13297 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
13299 * gcc.1: Fix a formatting error.
13301 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13303 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
13304 i786, mn10200, mn10300, pdp11, v850.
13306 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
13308 * libgcc2.c (num_digits): Add prototype with
13309 __attribute__((const)).
13310 (__terminate): Add prototype.
13312 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
13314 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
13316 * alpha/alpha.c (print_operand): Fix type of `code'.
13317 (alpha_output_filename): Constify.
13318 * alpha/alpha.h: Move all function declarations ...
13319 * alpha/alpha-protos.h: ... here. New file.
13320 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
13321 (SECTION_FUNCTION_TEMPLATE): Likewise.
13323 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13325 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
13326 * expr.c (expand_expr): Likewise.
13327 (do_jump): Likewise.
13328 (do_store_flag): Pass ccp_store_flag to can_compare_p.
13329 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
13331 (enum can_compare_purpose): New.
13332 (can_compare_p): Adjust prototype.
13333 (prepare_cmp_insn, prepare_operand): Declare.
13334 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
13335 * optabs.c (cmp_available_p): Deleted.
13336 (expand_abs): Pass ccp_jump to can_compare_p.
13337 (can_compare_p): New arg PURPOSE. Check for combined optabs.
13338 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
13339 Call can_compare_p rather than cmp_available_p.
13340 (prepare_operand): No longer static.
13341 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
13342 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
13343 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
13344 sequence to use emit_cmp_and_jump_insns.
13345 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
13347 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
13349 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
13350 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
13351 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
13352 (plus (reg) (const_int 0))
13353 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
13355 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
13357 * rs6000.c (expand_block_move): DImode loads and stores require
13358 word-aligned displacements. Increment address registers with
13359 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
13361 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
13363 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
13364 is no name for the base type, rather than segfault. If we are
13365 writing out a complex integer type, use DW_ATE_lo_user.
13367 * expr.c (emit_move_insn_1): If we are copying a complex that fits
13368 in one word or less (complex char, complex short, or on 64 bit
13369 systems complex float) to/from a hard register, copy it through
13370 memory instead of dying in gen_{real,imag}part. If we have a
13371 short complex type, prevent inlining since it allocates stack
13374 * tree.c (build_complex_type): If we are writing dwarf2 output,
13375 generate a name for complex integer types.
13377 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13379 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
13380 * flow.c (remove_edge): Remove extra whitespace.
13381 (remove_fake_edges): Fix comment.
13382 (add_noreturn_fake_exit_edges): Use the correct name.
13384 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
13386 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
13387 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
13388 (clean): Depend on INTL_CLEAN.
13389 (maintainer-clean): Adjust.
13391 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13393 * configure.in (AC_PREREQ): Bump to 2.13.
13394 (AC_C_STRINGIZE): Call this instead of using a custom macro.
13396 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
13398 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
13400 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
13402 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
13403 (HAVE_STRINGIZE): Define.
13405 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
13407 * c-parse.in: save and restore warn_pointer_arith on __extension__
13408 along with pedantic.
13409 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
13410 Set the type of extension to itype rather than $<itype>1 kludge.
13411 * extend.texi (Alternate Keywords): Adjust documentation.
13412 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
13414 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
13416 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
13417 most assembler templates.
13419 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
13420 FP loads and stores.
13421 (following_call): Always return zero for the PA8000.
13422 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
13423 FP loads and stores.
13424 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
13426 * pa.h (BRANCH_COST): Define.
13428 * pa.md (return, return_internal): Use bve for PA2.0.
13430 * pa.md (fused multiply): Add variants which reduce height for the
13431 fused multiply, but which still generate 2 insns.
13432 (fnegabs): Similarly.
13434 * pa.md (subsi3): Turn into an expander. Create two anonymous
13435 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
13436 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
13438 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
13440 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
13442 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
13443 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
13445 * regclass.c (init_regs): Add "top_of_stack" as a garbage
13448 * flow.c (record_active_eh_regions): Terminate loop after finding
13449 the last insn in the last basic block.
13451 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13453 * config/c4x/c4x.md: Delete parallel instruction peepholes.
13455 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13457 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
13459 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13461 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
13462 splitting to not use output template.
13464 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13466 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
13467 * config/c4x/c4x.c (c4x_va_start): New function.
13469 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
13471 * genrecog.c (not_both_true): Handle correctly cases when called for
13472 tests with different positions in the insn.
13474 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13476 * machmode.h (HOST_PTR_PRINTF): Move from here ...
13478 * system.h (HOST_PTR_PRINTF): ... to here.
13480 * mips-tfile.c: Don't include machmode.h.
13482 * Makefile.in (MACHMODE_H): New variable. Update to use it.
13483 (mips-tfile.o): Don't depend on machmode.h.
13485 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13487 * haifa-sched.c (sched_analyze): Rename local variable `region' to
13488 avoid conflicts with typedef struct `region' at the top level scope.
13490 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
13492 * basic-block.h (basic_block): Add eh_beg, eh_end.
13493 * flow.c (entry_exit_blocks): Update.
13494 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
13495 Call new functions.
13496 (find_basic_blocks_1): Don't record eh_list at each bb. Use
13497 lists.c functions to allocate insn lists.
13498 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
13500 (make_eh_edge): ... here. New.
13501 (move_stray_eh_region_notes): New.
13502 (record_active_eh_regions): New.
13503 (delete_unreachable_blocks): Split out block merging ...
13504 (try_merge_blocks): ... here. New.
13505 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
13506 Dump debugging data.
13507 (merge_blocks_move_successor_nojumps): Likewise.
13508 (merge_blocks): Use eh_beg+eh_end to validate block movement.
13510 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13512 * extend.texi (Bound member functions): Document unbound pmf
13515 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13517 * flow.c (split_edge): Handle insertion on a fallthrough edge which
13518 has the EXIT_BLOCK as a dest.
13520 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13522 * flow.c (remove_edge): New function to remove an edge from the
13524 (remove_fake_successors): New function to remove fake successor edges.
13525 (remove_fake_edges): New function to remove all fake edges from the
13527 (add_fake_exit_edges): New function to add fake edges from all blocks
13528 with no successors to the exit block.
13529 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
13530 prototypes for new functions.
13532 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
13534 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
13535 Use Pmode to determine whether to output .dword or .word.
13537 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
13539 * tree.c (built_in_filename): New variable.
13540 (BUILT_IN_FILENAME): New macro.
13541 (init_tree_codes): Allocate built_in_filename.
13542 (make_node): Use built_in_filename instead of string constant.
13544 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
13546 * configure.in: Add fr30 target.
13547 * configure: Regenerate.
13548 * config/fr30: New directory.
13549 * config/fr30/crti.asm: New file.
13550 * config/fr30/fr30.c: New file.
13551 * config/fr30/crtn.asm: New file.
13552 * config/fr30/fr30.h: New file.
13553 * config/fr30/fr30.md: New file.
13554 * config/fr30/lib1funcs.asm: New file.
13555 * config/fr30/t-fr30: New file.
13556 * config/fr30/xm-fr30.h: New file.
13558 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
13560 * flow.c (merge_blocks_move_successor_nojumps): Delete the
13561 BARRIER at the end of the successor, not the BARRIER before
13564 * pa.c (pa_add_gc_roots): Fix thinko in last change.
13566 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
13568 * stmt.c (any_pending_cleanups): Don't crash when
13569 current_function->stmt is unset.
13571 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13573 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
13574 other initializations that may use it for relative offsets.
13576 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13578 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
13579 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
13580 * config/i386/sol2dbg.h: Removed.
13581 * config/i386/sol2gas.h: New file, to enable gas work-around.
13582 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
13583 Don't use sol2dbg.h.
13584 * configure: Rebuilt.
13586 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
13588 * invoke.texi (-fthis-is-variable): Remove documentation.
13590 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
13592 * basic-block.h (compute_bb_for_insn): Declare.
13593 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
13594 to use; set size of basic_block_for_insn directly.
13595 (find_basic_blocks): Update.
13597 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13599 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
13601 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13603 * crtstuff.c (ON_EXIT): Delete empty macro definition.
13604 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
13606 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
13608 * c-decl.c (c_decode_option): Extend comment.
13610 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
13612 * toplev.c (progname): Make 'const char *'
13613 (flag_print_mem): Move out of main.
13614 (version_flag): Move out of main.
13615 (filename): Move out of main.
13616 (debug_args): Remove g prefix from options.
13617 (documented_lang_options): Remove cpplib specific options.
13618 (display_help): Add g prefix to debug options.
13619 (check_lang_option): Delete this function.
13620 (decode_d_option): New function: Decode -d... option.
13621 (decode_f_option): New function: Decode -f... option.
13622 (decode_W_option): New function: Decode -W... option.
13623 (decode_g_option): New function: Decode -g... option.
13624 (independent_decode_option): New function: Decode a language
13625 independent command line option.
13626 (main): Invoke lang_decode_option and then
13627 independent_decode_option on each command line option in
13630 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
13632 Revert this change. Gavin's patch to operand_equal_p is a better fix.
13633 * fold-const.c (fold_range_test): Do not try to fold the range
13634 test if the rhs or lhs has side effects.
13636 * basic-block.h (compute_flow_dominators): Declare.
13638 * gcse.c (alloc_code_hoist_mem): New function.
13639 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
13640 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
13641 (hoist_code, one_code_hoisting_pass): Likewise.
13642 (gcse_main): If optimizing for size, then hoist expressions
13643 computed in multiple dominated basic blocks.
13645 * gcse.c (invalid_nonnull_info): New function.
13646 (delete_null_pointer_checks): Likewise.
13647 * rtl.h (delete_null_pointer_checks): Declare.
13648 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
13650 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
13651 (merge-blocks_move_successor_nojumps): Likewise.
13652 (merge_blocks): Allow merging of some blocks, even if it requires
13653 physical movement of the blocks, but not if it requires new jumps.
13655 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
13656 Callers and prototype changed.
13657 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
13659 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13661 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
13662 -YP when both -p and -pg are present. From i386/sol2.h.
13664 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13666 * Makefile.in (distclean): Delete tm_p.h.
13667 * configure.in: Create a new file, "tm_p.h", from a list in
13668 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
13669 "i386/i386-protos.h".
13671 * alias.c: Include "tm_p.h".
13672 * c-typeck.c: Likewise.
13673 * calls.c: Likewise.
13675 * emit-rtl.c: Likewise.
13676 * explow.c: Likewise.
13677 * expmed.c: Likewise.
13678 * expr.c: Likewise.
13679 * final.c: Likewise.
13680 * flow.c: Likewise.
13681 * fold-const.c: Likewise.
13682 * function.c: Likewise.
13683 * gcse.c: Likewise.
13684 * global.c: Likewise.
13685 * haifa-sched.c: Likewise.
13686 * integrate.c: Likewise.
13687 * jump.c: Likewise.
13688 * local-alloc.c: Likewise.
13689 * loop.c: Likewise.
13690 * optabs.c: Likewise.
13691 * recog.c: Likewise.
13692 * reg-stack.c: Likewise.
13693 * regclass.c: Likewise.
13694 * regmove.c: Likewise.
13695 * reload.c: Likewise.
13696 * reload1.c: Likewise.
13697 * reorg.c: Likewise.
13698 * resource.c: Likewise.
13699 * stmt.c: Likewise.
13700 * stor-layout.c: Likewise.
13701 * toplev.c: Likewise.
13702 * tree.c: Likewise.
13703 * unroll.c: Likewise.
13704 * genattrtab.c (main): Make generated file include "tm_p.h".
13705 * genemit.c (main): Likewise.
13706 * genoutput.c (main): Likewise.
13707 * genrecog.c (main): Likewise.
13709 * i386.h: Delete all prototypes.
13710 * i386.c: Include "tm_p.h".
13711 (ix86_attr_length_default): Call constant_call_address_operand
13712 with correct number of arguments.
13713 * i386-protos.h: New file.
13714 * i386.md (unnamed patterns): Call constant_call_address_operand
13715 with correct number of arguments.
13716 (exception_receiver): Call load_pic_register with correct number
13719 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
13721 * c-pragma.c (mark_align_stack): Dereference the void* properly.
13723 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
13725 * rtl.h (insns_safe_to_move_p): New function.
13726 * loop.c (find_and_verify_loops): Use it.
13727 * rtlanal.c (insns_safe_to_move_p): Define it.
13729 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
13731 * c-pragma.c: Include ggc.h.
13732 * Makefile.in (c-pragma.o): Update.
13734 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13736 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
13737 (LIB_SPEC): Likewise.
13738 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
13739 Reindent -YP/-p/-pg.
13740 Copied from config/sparc/sol2.h.
13742 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
13744 * c-pragma.c (mark_align_stack): New.
13745 (init_pragma): New.
13746 * c-pragma.h (init_pragma): Declare it.
13747 * c-lex.c (init_parse): Call it.
13749 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13751 * configure.in: Pick up thread library on Solaris/x86 just
13752 like on Solaris/sparc.
13753 * configure: Rebuilt.
13755 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
13757 * rtl.h (global_rtx_index): New enum.
13758 (global_rtl): Change to array of rtx.
13759 (pc_rtx, cc0_rtx): Redefine accordingly.
13760 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
13761 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
13762 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
13763 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
13764 (const_int_rtx): Change to array of rtx.
13765 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
13767 * emit-rtl.c (global_rtl): Change to array of rtx.
13768 (const_int_rtx): Change to aray of rtx.
13769 (gen_rtx_CONST_INT): Redefine accordingly.
13770 (init_emit_once): Allocate and initialize global_rtl. Likewise
13771 for const_int_rtx. Add both as GC roots.
13772 * genattrtab.c (global_rtl): Update declaration.
13774 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
13776 * Makefile (USER_H): Add iso646.h back.
13778 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
13780 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
13781 zapping the LOG_LINKS of sched_before_next_call.
13783 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
13784 * pa.c (insn_refs_are_delayed): Renamed from
13785 insn_sets_and_refs_are_delayed.
13787 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
13789 * functiion.h (struct function): Add x_whole_function_mode_p.
13790 (retrofit_block): Declare.
13791 * function.c (retrofit_block): New function.
13792 (identify_blocks): Add assertions. Allow an incomplete set of
13793 block notes if we're still generating code for the function.
13794 * integrate.c: Include loop.h.
13795 (expand_inline_function): Call find_loop_tree_blocks to map block
13796 notes to blocks when in whole-function mode. Use retrofit_block
13797 to insert new BLOCKs for the inlined function, rather than
13799 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
13800 * Makefile.in (integrate.o): Depend on loop.h.
13802 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
13804 * tree.h (warn_about_unused_variables): Declare.
13805 * stmt.c (warn_about_unused_variables): New function, split out
13807 (expand_end_bindings): Here.
13809 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
13811 * stmt.c (preserve_subexpressions_p): Don't crash when
13812 current_function->stmt is unset.
13814 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
13816 * stmt.c (expand_start_bindings): Allow callers to pass a flag
13817 indicating that no NOTE_INSN_BLOCK_BEG note is required.
13818 (expand_start_target_temps): Use it.
13819 * except.c (expand_eh_region_start_for_decl): Likewise.
13820 * expr.c (expand_expr): Likewise.
13822 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
13824 * fold-const.c (operand_equal_p): Pay attention to side effects.
13826 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
13828 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
13829 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
13831 * tlink.c (scan_linker_output): Look for keywords before accepting
13832 a mangled name in quotes.
13834 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
13836 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
13837 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
13839 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
13841 * alpha.md: Revert Thu Nov 26 change that came in through the
13842 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
13843 Avoid earlyclobber when possible.
13845 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13847 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
13849 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
13850 Define HAVE_ON_EXIT.
13852 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13854 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
13855 CTYPE_CONV in all ctype macros.
13857 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
13860 * cexp.y (initialize_random_junk): Likewise.
13862 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
13864 * i370.c (handle_pragma): Likewise.
13866 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
13868 * v850.c (override_options): Likewise.
13870 * doprint.c (_doprnt): Likewise.
13872 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
13875 * fixinc/server.c (load_data): Likewise.
13877 * fold-const.c (real_hex_to_f): Likewise.
13879 * genattr.c (write_upcase, gen_attr): Likewise.
13881 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
13882 write_upcase): Likewise.
13884 * genemit.c (print_code): Likewise.
13886 * genopinit.c (gen_insn): Likewise.
13888 * genpeep.c (print_code): Likewise.
13890 * genrecog.c (print_code): Likewise.
13892 * optabs.c (init_libfuncs): Likewise.
13894 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
13896 * haifa-sched.c (sched_analyze): Keep the list of notes organized
13898 (reemit_notes): Likewise.
13900 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
13902 * ggc.h (ggc_root): Move to ggc-common.c.
13904 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
13905 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
13906 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
13907 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
13908 * ggc-common.c (ggc_root): Move from ggc.h.
13909 (roots): Declare, static.
13910 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
13911 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
13912 null or check/set mark bit.
13913 (ggc_mark_roots): New.
13914 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
13916 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
13918 * m32r.c: Include toplev.h.
13919 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
13920 (gen_compare): Rename swap_p to must_swap to match uses.
13921 Add default abort case.
13922 (m32r_output_function_epilogue): Remove unused variables.
13923 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
13924 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
13925 define to empty parameter list. Update all uses.
13926 (predicate decls): Use enum machine_mode not int.
13927 * m32r.md (movsi): Call abort, not fatal_insn.
13928 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
13930 1999-09-14 Andrew Haley <aph@cygnus.com>
13932 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
13933 use $0 instead of 0.
13935 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13937 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
13938 computation out of loop over hard regs.
13940 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
13942 * function.c (identify_blocks): Don't shadow a variable in an
13944 * integrate.c (integrate_decl_tree): Don't use pushlevel,
13945 pushdecl, or poplevel to build up the new BLOCK tree.
13946 (expand_inline_function): Likewise.
13947 (integrate_parm_decls): Likewise.
13949 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
13951 * c-typeck.c (qualify_type): Merge qualifiers from both types.
13953 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
13955 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
13956 * invoke.texi: Document this change.
13958 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
13960 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
13962 (mark_emit_status): Renamed from mark_emit_state.
13963 * except.c (mark_eh_status): Renamed from mark_eh_state.
13964 Check not null before marking.
13965 (free_eh_status): New.
13966 * expr.c (mark_expr_status, free_expr_status): New.
13967 * function.c (free_machine_status): New.
13968 (free_after_parsing): New.
13969 (free_after_compilation): Move bits to free_after_parsing; call
13970 free_eh_status, free_expr_status; zero the marked members of the
13972 (prepare_function_start): No can_garbage_collect.
13973 Call init_eh_for_function.
13974 (expand_dummy_function_end): Free up current_function state.
13975 (mark_function_status): Renamed from mark_function_state.
13976 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
13977 * function.h (struct function): No can_garbage_collect.
13978 (free_machine_status, free_after_parsing): Declare.
13979 (free_eh_status, free_expr_status): Declare.
13980 * ggc.h (mark_expr_status): Declare.
13981 * stmt.c (free_stmt_status): Free the struct.
13982 (mark_stmt_status): Renamed from mark_stmt_state.
13983 (init_stmt): Don't call init_eh.
13984 (init_stmt_for_function): Don't call init_eh_for_function.
13985 * toplev.c (compile_file): Call init_eh.
13986 (rest_of_compilation): Free basic block info before ggc_collect.
13987 Call free_after_parsing; conditionally call free_after_compilation.
13988 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
13989 Check not null before marking.
13990 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
13992 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
13994 * c-lex.c (yylex): Initialize warn.
13996 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
13998 * pa.c (emit_move_sequence): Properly set the mode of the scratch
13999 register when performing secondary reloads for the SAR register.
14001 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
14003 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
14004 (NOTE_BLOCK): New macro.
14005 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
14006 * function.h (identify_blocks): Change prototype.
14007 * function.c (identify_blocks): Simplify.
14008 (reorder_blocks): Likewise.
14009 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
14010 NOTE_INSN_BLOCK_{BEG,END}.
14011 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
14012 the list of saved notes if the note isn't a
14013 NOTE_INSN_BLOCK_{BEG,END}.
14014 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
14016 (reemit_notes): Adjust recreation of notes to reflect new saved
14018 * print-rtl.c (print_rtx): Print the address of the BLOCK when
14019 printing a block note.
14020 * stmt.c (block_vector): Remove.
14021 (find_loop_tree_blocks): Simplify.
14022 (unroll_block_trees): Likewise.
14023 * tree.h (reorder_block): Change prototype.
14025 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
14027 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
14028 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
14029 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
14030 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
14031 (atexit, exit): Simplify.
14032 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
14033 * config/lots: Remove defns of HAVE_ATEXIT.
14035 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
14037 * calls.c (precompute_arguments): Fix typo in comment.
14038 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
14041 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
14043 * dsp16xx.c (override_options): Fix typos in GC root registration.
14045 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
14047 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
14048 from config/svr4.h.
14049 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
14050 (FUNCTION_PROFILER): Redefine appropriately for Linux.
14051 (CC1_SPEC): Likewise.
14053 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14055 * genattr.c (main): Add extern prototype. Call return, not exit.
14056 * genattrtab.c (main): Likewise.
14057 * gencheck.c (main): Likewise.
14058 * gencodes.c (main): Likewise.
14059 * genconfig.c (main): Likewise.
14060 * genemit.c (main): Likewise.
14061 * genextract.c (main): Likewise.
14062 * genflags.c (main): Likewise.
14063 * gengenrtl.c (main): Likewise.
14064 * genopinit.c (main): Likewise.
14065 * genoutput.c (main): Likewise.
14066 * genpeep.c (main): Likewise.
14067 * genrecog.c (main): Likewise.
14069 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
14070 * genattrtab.c (get_insn_name): Likewise.
14071 * gencodes.c (get_insn_name): Likewise.
14072 * genconfig.c (get_insn_name): Likewise.
14073 * genemit.c (get_insn_name): Likewise.
14074 * genextract.c (get_insn_name): Likewise.
14075 * genflags.c (get_insn_name): Likewise.
14076 * genopinit.c (get_insn_name): Likewise.
14077 * genpeep.c (get_insn_name): Likewise.
14079 * gencheck.c (usage): Add static prototype.
14080 * genextract.c (print_path): Constify a char*.
14081 * genopinit.c (optabs): Likewise.
14082 * genoutput.c (operand_data, data, output_predicate_decls,
14083 compare_operands): Likewise.
14084 * genrecog.c (write_tree): Add default case in switch.
14086 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14088 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
14090 * print-rtl.c (get_insn_name): Remove prototype.
14092 * toplev.h (progname): Declare const.
14094 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
14095 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
14096 dump_sched_info, dump_local_alloc, regset_release_memory,
14097 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
14098 error_with_file_and_line, error_with_decl, error_for_asm, error,
14099 fatal, warning_with_file_and_line, warning_with_decl, warning,
14100 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
14101 Remove redundant prototypes.
14103 (notice, check_lang_option, report_file_and_line, vnotice,
14104 mark_file_stack): Add static prototype.
14105 (set_fatal_function): Add prototype.
14106 (vnotice, report_file_and_line, set_fatal_function,
14107 check_lang_option): Constify a char*.
14108 (main): Prototype. Call return, not exit.
14110 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14112 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
14114 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
14116 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
14118 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
14120 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14122 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
14123 behave as if it's zero in all cases.
14124 (expand_function_start): Adjust call to assign_parms.
14125 * tree.h (assign_parms): Adjust prototype.
14126 * objc/objc-act.c (hack_method_prototype): Adjust call to
14129 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
14131 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
14132 arg_pointer_rtx fixed if the argument pointer register is
14134 (NONZERO_BASE_PLUS_P): Likewise.
14136 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
14138 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
14139 match_insn2 to match_insn.
14140 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
14142 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
14144 * Makefile.in (USER_H): Remove va-foo.h.
14146 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
14147 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
14148 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
14149 va-spur.h,va-v850.h}: Remove.
14151 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
14153 * sparc/sparc.md (eligible_for_return_delay): New attribute.
14154 (in_return_delay): Use it instead of match_insn.
14156 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14158 * config/alpha/va_list.h (va-alpha.h): Do not include.
14159 (__gnuc_va_list): Typedef as in varargs.h.
14161 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
14163 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
14164 DECL_LIVE_RANGE_RTL.
14166 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
14168 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
14169 not NOTE_BLOCK_NUMBER.
14170 (expand_eh_region_end): Likewise.
14171 (find_exception_handler_labels): Likewise.
14172 (scan_region): Likewise.
14173 (exception_optimize): Likewise.
14174 (update_rethrow_references): Likewise.
14175 (set_insn_eh_region): Likewise.
14176 * final.c (final_scan_insn): Likewise.
14177 * flow.c (make_edges): Likewise.
14178 * integrate.c (expand_inline_function): Likewise.
14179 * print-rtl.c (print_rtx): Likewise.
14181 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
14183 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
14184 terms of builtin functions and types.
14186 * mips.c (mips_build_va_list): New.
14187 (mips_va_start, mips_va_arg): New.
14188 * mips.h (BUILD_VA_LIST_TYPE): New.
14189 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
14191 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
14192 (sh_build_va_list, sh_va_start, sh_va_arg): New.
14193 * sh.h (BUILD_VA_LIST_TYPE): New.
14194 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
14196 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
14198 * recog.h (struct recog_data): Make dup_num, operand_address_p,
14199 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
14200 (struct insn_data): Likewise with n_operands, n_dups,
14201 n_alternatives, output_format.
14202 * regclass.c (scan_one_insn): Cast n_operands to int before
14203 arithmetic inside comparison.
14205 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
14207 * toplev.c (compile_function): Unconditionally emit nop.
14209 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14211 * haifa-sched.c (actual_hazard): Move declaration of variable
14212 `this_cost' into the scope where it is used.
14214 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14216 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
14217 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
14218 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
14220 * genrecog.c (make_insn_sequence): Call memset, not bzero.
14222 * jump.c (find_insert_position): Don't declare or define unless
14223 !HAVE_conditional_arithmetic.
14224 (returnjump_p_1, delete_prior_computation): Add static prototypes.
14226 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
14228 * recog.c (offsettable_address_p): Prototype function pointer.
14229 (preprocess_constraints): Call memset, not bzero.
14231 * tree.c (tree_node_kind_names): Constify a char*. Make static.
14232 (gcc_obstack_init): Don't declare.
14233 (fix_sizetype): Add static prototype.
14234 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
14235 (tree_cons): Call memset, not bzero.
14237 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
14238 definition in macro ASM_WEAKEN_LABEL.
14239 (mark_const_hash_entry): Add static prototype.
14241 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14243 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
14245 * unroll.c (find_common_reg_term, subtract_reg_term,
14246 loop_find_equiv_value): Add static prototypes.
14247 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
14248 (copy_loop_body): Remove unreachable break statement.
14250 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
14252 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
14254 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14256 Undo some changes from the gcc2 merge:
14257 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
14258 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
14262 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
14263 * emit-rtl.c (gen_lowpart_common): Disable optimization of
14264 initialized float-int union if the value is a NaN.
14266 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
14268 * gthr-win32.h: New file.
14270 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
14271 shared as a valid attribute.
14272 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
14273 * extend.texi: Document `shared' variable attribute.
14275 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
14277 * configure.in: Handle --enable-threads on FreeBSD.
14278 * configure: Rebuit.
14280 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
14282 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
14284 * configure: Rebuilt.
14286 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
14287 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
14288 Rosimildo DaSilva <rdasilva@connecttel.com>
14290 * configure.in (m68k-*-rtemscoff*): Added.
14291 * configure.in (mips64orion-*-rtems*): Converted to ELF.
14292 * configure.in (sparc-*-rtemsaout*): Added as alias for old
14293 sparc-rtems configuration.
14294 * configure.in (sparc-*-rtemself*): Added.
14295 * configure.in (sparc-*-rtems*): Now ELF not a.out.
14296 * config/i386/rtems.h: Added comment.
14297 * config/sparc/rtemself.h: New file.
14299 * configure.in (m68k-rtemself): Added.
14300 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
14301 and DWARF_DEBUGGING_INFO.
14302 * config/m68k/crti.s: New file.
14303 * config/m68k/crtn.s: New file.
14304 * config/m68k/t-crtstuff: New file.
14305 * config/m68k/rtemself.h: New file.
14307 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
14308 global ctor/dtor and C++ exception handling.
14309 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
14310 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
14312 * config/i386/t-rtems-i386: New File.
14314 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
14316 * stmt.c (expand_end_case): Return right away if the case stack is
14319 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
14321 * Makefile.in (version.c): Remove rule incorrectly brought in from
14324 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
14326 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
14327 * msdos/top.sed: Take into account a prepended $(SHELL) to
14329 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
14331 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
14333 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14335 * regmove.c (fixup_match_1): Don't change an unchanging register.
14336 (stable_but_for_p): Renamed to:
14337 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
14338 Changed all callers.
14340 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
14342 * loop.c (strength_reduce): Don't call reg_used_between_p if the
14343 insn from BL2 is after the insn from BL.
14345 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
14347 * recog.h (INSN_OUTPUT_FORMAT_*): New.
14348 (struct insn_data): Merge `template' and `outfun' into `output'.
14349 Add `output_format'.
14350 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
14351 (struct data): Remove `outfun'; add `output_format'.
14352 (name_for_index): Remove declaration.
14353 (output_insn_data): Handle output formats.
14354 (process_template): Emit the bare array for @.
14355 (gen_expand, gen_split): Set output_format to NONE.
14356 * output.h (get_insn_template): Declare.
14357 * final.c (get_insn_template): New.
14358 (final_scan_insn): Use it.
14359 * toplev.c (compile_file): Likewise.
14361 * c4x/c4x.c (c4x_process_after_reload): Likewise.
14362 * i860/i860.c (output_delayed_branch): Likewise.
14363 (output_delay_insn): Likewise.
14365 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14367 * rtl.c (obstack_alloc_rtx): Removed.
14369 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
14371 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
14373 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
14375 * i386.c (call_insn_operand): Reject const_int.
14376 (expander_call_insn_operand): Use call_insn_operand.
14378 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14380 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
14382 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
14384 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
14385 Use DImode operation.
14387 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
14389 * gcc.c: Include sys/resource.h.
14390 (report_times): New flag.
14391 (execute): If report_times is set, calculate and report the
14392 CPU time consumed by each subprocess.
14394 (rus, prus): New globals.
14395 (option_map): Add --time.
14396 (display_help): Document -time.
14397 (process_command): Set report_times if -time is given.
14398 Turn off -pipe if -time is given.
14400 * invoke.texi: Document new option -time.
14402 * configure.in: Check for getrusage. Check if we have to
14403 prototype getrusage.
14404 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
14405 * configure: Regenerate.
14406 * config.in: Regenerate.
14408 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
14410 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
14413 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
14415 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
14416 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
14417 (nan): Return _thenan_sf or _thenan_df as appropriate.
14418 (L_thenan_sf): Define _thenan_sf.
14419 (L_thenan_df): Define _thenan_df.
14421 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
14422 (DPBIT_FUNCS): Add _thenan_df.
14424 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
14426 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
14429 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14431 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
14434 (lang_specific_driver): Don't take a function pointer parameter.
14435 All callers changed.
14437 * gcc.c: Include gcc.h.
14438 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
14439 lang_specific_extra_outfiles, fatal): Don't declare.
14440 (multilib_defaults_raw): Constify.
14441 (read_specs): Call memset, rather than bzero.
14442 (main): Call return, not exit.
14443 (lookup_compiler): Call memcpy, not bcopy.
14444 (fatal): Make extern.
14446 * cppspec.c: Include gcc.h.
14447 (lang_specific_driver): Initialize variable `quote'. Constify a
14448 char*. All calls to the function pointer parameter now
14449 explicitly call `fatal'.
14451 * gccspec.c (lang_specific_driver): Include gcc.h.
14453 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
14455 * arm.c (note_invalid_constants): Use recog_data.operand_type
14458 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14460 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
14463 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
14464 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
14465 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
14466 reload_secondary_in_reload, reload_secondary_out_reload,
14467 reload_secondary_in_icode, reload_secondary_out_icode,
14468 reload_reg_rtx, reload_when_needed): Delete declarations.
14469 (struct reload): New structure.
14470 (rld): Declare new array.
14471 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
14472 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
14473 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
14474 reload_secondary_in_reload, reload_secondary_out_reload,
14475 reload_secondary_in_icode, reload_secondary_out_icode,
14476 reload_reg_rtx, reload_when_needed): Delete definitions.
14478 (whole file): Replace uses of the deleted arrays with uses of rld.
14479 * reload1.c (whole file): Replace uses of the deleted arrays with
14481 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
14482 explicit loops, not with bcopy.
14484 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
14486 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
14487 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
14488 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
14489 insn_name): Delete and consolidate into new structures.
14490 (insn_operand_predicate_fn): New.
14491 (insn_output_fn): New.
14492 (insn_gen_fn): New.
14493 (struct insn_operand_data): New.
14494 (struct insn_data): New.
14496 (OUT_FCN): Update for insn_data change.
14497 * builtins.c (expand_builtin_strlen): Likewise.
14498 (expand_builtin_memcmp): Likewise.
14499 * combine.c (make_extraction, simplify_comparison): Likewise.
14500 * cse.c (canon_reg, cse_insn): Likewise.
14501 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
14502 * expmed.c (store_bit_field, extract_bit_field): Likewise.
14503 (emit_store_flag): Likewise.
14504 * expr.c (convert_move, emit_block_move): Likewise.
14505 (clear_storage, emit_push_insn, expand_increment): Likewise.
14506 (do_store_flag): Likewise.
14507 * expr.h (GEN_FCN): Likewise.
14508 (insn_gen_function): Die.
14509 * final.c (final_scan_insn): Update for insn_data change.
14510 (output_asm_name): Likewise.
14511 * function.c (fixup_var_refs_1): Likewise.
14512 * loop.c (check_dbra_loop): Likewise.
14513 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
14514 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
14515 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
14516 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
14517 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
14518 * regmove.c (gen_add3_insn): Likewise.
14519 * reload.c (push_secondary_reload, combine_reloads): Likewise.
14520 (find_reloads, find_reloads_address_1): Likewise.
14521 (debug_reload_to_stream): Likewise.
14522 * reload1.c (emit_reload_insns, gen_reload): Likewise.
14523 * stmt.c (expand_end_case): Likewise.
14524 * toplev.c (compile_file): Likewise.
14526 * c4x/c4x.c (c4x_process_after_reload): Likewise.
14527 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
14529 * print-rtl.c (insn_name_ptr): Remove declaration.
14530 (get_insn_name): Declare.
14531 (print_rtx): Use it.
14532 * genoutput.c (insn_name_ptr): Remove.
14533 (next_operand_number): New.
14534 (struct operand_data): New.
14535 (null_operand, odata, odata_end): New.
14536 (struct data): Use struct operand_data.
14537 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
14538 (get_insn_name): Renamed from name_for_index.
14539 (output_prologue): Define NO_MD_PROTOTYPES.
14540 (output_predicate_decls): Break out from output_epilogue.
14541 Iterate over the operands list.
14542 (output_operand_data): Break out from output_epilogue. Emit
14543 just the operands list.
14544 (output_insn_data): Break out from output_epilogue. Emit just
14546 (output_epilogue): Remove.
14547 (output_get_insn_name): New.
14548 (constraints, op_n_alternatives, predicates, address_p): Die.
14549 (modes, strict_low, seen): Die.
14550 (scan_operands): Take new param `d' instead of writing to
14551 seven global variables.
14552 (compare_operands): New.
14553 (place_operands): New.
14554 (validate_insn_alternatives): Update for struct data change.
14555 (gen_insn): Don't zero or copy 7 global arrays. Update for
14556 scan_operands; call place_operands.
14557 (gen_peephole, gen_expand, gen_split): Likewise.
14558 (main): Update for new output routines.
14560 * genattr.c (insn_name_ptr): Remove.
14561 (get_insn_name): New function.
14562 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
14563 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
14564 * genrecog.c: Likewise.
14566 * alpha.md (adddi3): Make `pattern' array static.
14568 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14570 * config/c4x/c4x.h (c4x_rpts_cycles_string,
14571 c4x_cpu_version_string): Constify char *.
14572 * config/c4x/c4x.c (c4x_rpts_cycles_string,
14573 c4x_cpu_version_string): Likewise.
14575 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
14577 * tree.c (save_tree_status): Revert 10 Sep change.
14578 (restore_tree_status): Likewise. Call obstack_free with NULL
14579 before freeing the obstack proper.
14581 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
14583 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
14585 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
14586 surrounding context.
14588 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
14590 * tree.c (type_hash_canon): Put all types in the hash-table, when
14593 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
14595 * recog.h (struct recog_data, recog_data): New.
14596 (recog_foo variables): Kill.
14597 * recog.c (recog_operand, recog_operand_loc): Kill.
14598 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
14599 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
14600 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
14601 (recog_data): Define.
14602 (extract_insn): Update all recog_foo references to use recog_data.
14603 (preprocess_constraints, constrain_operands): Likewise.
14604 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
14605 * genattrtab.c (main): Likewise.
14606 * genextract.c (main): Likewise.
14607 * genoutput.c: Likewise.
14608 * genrecog.c (write_subroutine, main): Likewise.
14609 * local-alloc.c (block_alloc): Likewise.
14610 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
14611 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
14612 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
14613 * reload.c (find_reloads, find_reloads_toplev): Likewise.
14614 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
14615 (reload_cse_simplify_operands): Likewise.
14617 * arc/arc.c (arc_final_prescan_insn): Likewise.
14618 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
14619 * h8300/h8300.c (notice_update_cc): Likewise.
14620 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
14621 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
14622 * mn10200/mn10200.c (notice_update_cc): Likewise.
14623 * mn10300/mn10300.c (notice_update_cc): Likewise.
14624 * romp/romp.c (update_cc): Likewise.
14625 * sparc/sparc.c (check_pic): Likewise.
14626 * v850/v850.c (notice_update_cc): Likewise.
14628 * genemit.c (main): Don't declare recog_operand.
14630 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
14632 * ggc.h (rtvec_def): Forward declare.
14633 (tree_node): Likewise.
14634 (ggc_root): Define.
14636 (ggc_set_mark_rtx): Add prototype.
14637 (ggc_set_mark_rtvec): Likewise.
14638 (ggc_set_mark_tree): Likewise.
14639 * ggc-simple.c (ggc_root): Don't define.
14640 (roots): Don't declare.
14641 (ggc_mark_rtx): Remove.
14642 (ggc_mark_rtvec): Likewise.
14643 (ggc_mark_tree): Likewise.
14644 (ggc_mark_varray): Likewise.
14645 (ggc_mark_tree_hash_table_entry): Likewise.
14646 (ggc_mark_tree_hash_table): Likewise.
14647 (ggc_set_mart_rtx): New function.
14648 (ggc_set_mark_rtvec): Likewise.
14649 (ggc_set_mark_tree): Likewise.
14650 (ggc_add_root): Remove.
14651 (ggc_add_rtx_root): Likewise.
14652 (ggc_remove_tree_root): Likewise.
14653 (ggc_add_string_root): Likewise.
14654 (ggc_add_tree_varray_root): Likewise.
14655 (ggc_add_tree_hash_table_root): Likewise.
14656 (ggc_del_root): Likewise.
14657 (ggc_mark_rtx_ptr): Likewise.
14658 (ggc_mark_tree_ptr): Likewise.
14659 (ggc_mark_string_ptr): Likewise.
14660 (ggc_mark_tree_varray_ptr): Likewise.
14661 (ggc_mark_tree_hash_table_ptr): Likewise.
14662 * ggc-common.c: New file.
14663 * Makefile.in (OBJS): Add ggc-common.o.
14664 (ggc-common.o): List dependencies.
14666 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
14668 * cppalloc.c (xstrdup): Use memcpy.
14669 * cpperror.c (cpp_print_containing_files): Don't use
14671 * cpplib.c (conditional_skip): Set temp->lineno.
14672 (do_endif): Make error message less obscure.
14673 (if_directive_name): New function.
14674 (cpp_get_token [case EOF]): Unwind the if stack and generate
14675 error messages for each unterminated conditional in this file.
14676 (parse_string): Do not behave differently if -traditional.
14678 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
14680 * builtins.c (expand_builtin_va_arg): Cope with an array-type
14681 va_list decomposing to pointer-type.
14682 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
14683 (rs6000_va_arg): Likewise.
14685 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
14687 * except.c (start_dynamic_handler): Compute size using
14688 STACK_SAVEAREA_MODE.
14690 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14692 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
14693 include directory headers. Don't define strrchr. Don't provide
14694 my_* replacement functions. Prefer PTR over `pointer_type'.
14695 Don't prototype system functions. Don't redefine getopt.
14697 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
14698 safe_read, safe_write, save_pointers, restore_pointers,
14699 is_id_char, in_system_include_dir, directory_specified_p,
14700 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
14701 find_corresponding_lparen, referenced_file_is_newer,
14702 save_def_or_dec, munge_compile_params, gen_aux_info_file,
14703 process_aux_info_file, identify_lineno, check_source,
14704 seek_to_line, forward_to_next_token_char, output_bytes,
14705 output_string, output_up_to, other_variable_style_function,
14706 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
14707 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
14708 find_static_definition, connect_defs_and_decs, add_local_decl,
14709 add_global_decls, needs_to_be_converted, visit_each_hash_node,
14710 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
14711 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
14712 scan_for_missed_items, edit_file, string_list_cons): Add static
14714 (standard_exec_prefix, target_machine, target_version,
14715 default_syscalls_dir, string_list, string_list_cons, find_file,
14716 do_cleaning): Constify a char*.
14717 (safe_read, safe_write): Use PTR, not a char*.
14718 (is_id_char): Take an int, not a char.
14719 (main): Add prototype. Call return, not exit.
14721 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
14723 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
14724 when comparing types.
14726 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
14728 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
14729 (strength_reduce): Release the varrays from the no-bivs early exit.
14731 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
14732 the loop over the registers.
14734 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
14736 (restore_tree_status): Check that instead when freeing the obstack.
14738 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
14740 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
14743 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14745 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
14746 operand size modifiers.
14748 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14750 * c-common.c (c_common_nodes_and_builtins): Don't build
14752 * c-common.h (enum c_tree_index and related accesor macros): Remove
14753 everything now declared in tree.h.
14754 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14755 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
14756 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
14757 (error_mark_node, void_type_node, char_type_node, integer_type_node,
14758 unsigned_type_node, ptr_type_node, va_list_type_node,
14759 integer_zero_node, null_pointer_node, integer_one_node): Delete.
14760 (init_decl_processing): Call build_common_tree_nodes and
14761 build_common_tree_nodes_2 instead of building their nodes here.
14762 Don't add roots for these nodes.
14763 * stor-layout.c (size_zero_node, size_one_node): Delete.
14764 (set_sizetype): Make a new node for bitsizetype each time.
14765 * tree.c (global_trees): New variable.
14766 (init_obstacks): Add a gc root for it.
14767 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
14768 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
14769 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
14770 (build_common_tree_nodes): New function.
14771 (fix_sizetype): New function.
14772 (build_common_tree_nodes_2): New function.
14773 * tree.h (enum tree_index): New.
14774 (global_trees): Declare.
14775 Add accessor macros for all nodes now moved to global_trees.
14776 Delete their declarations.
14778 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
14780 * c-decl.c (finish_function): When processing a nested function,
14781 push and pop GC context around rest_of_compilation.
14783 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
14785 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
14786 Default ix86_arch to PROCESSOR_I386.
14787 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
14788 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
14789 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
14790 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
14791 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
14792 (EXTRA_SPECS): Remove deleted specs.
14794 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
14796 * function.c (assign_stack_local_1): Allocate from
14797 function->x_frame_offset, not frame_offset.
14799 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
14801 * ggc.h (lang_cleanup_tree): Remove.
14802 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
14803 * ggc-callbacks.c (lang_cleanup_tree): Remove.
14805 * c-decl.c (finish_struct): Use ggc_alloc to allocate
14806 TYPE_LANG_SPECIFIC when garbage collecting.
14807 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
14808 (lang_cleanup_tree): Remove.
14810 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
14812 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
14813 * crtstuff.c: Not here.
14814 * dwarf2out.c: Or here.
14815 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
14818 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
14820 * function.h (free_after_compilation): Remove decl parameter.
14821 (free_varasm_status0: Likewise.
14822 (free_emit_status): Likewise.
14823 (free_stmt_status): Likewise.
14824 (free_after_compilation): Likewise.
14825 (init_lang_status): New variable.
14826 (free_lang_status): Likewise.
14827 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
14828 * function.c (init_lang_status): New variable.
14829 (free_lang_status): Likewise.
14830 (push_function_context_to): Don't set function::decl here.
14831 (free_after_copmilation): Make decl parameter implicit. Call
14832 free_lang_status if defined.
14833 (prepare_function_start): Call init_lang_status if defined.
14834 (init_function_start): Set function::decl here.
14835 * profile.c (output_func_start_profiler): Don't call pushdecl
14836 until we've actually started the function.
14837 * stmt.c (free_stmt_status): Make decl parameter implicit.
14838 * toplev.c (rest_of_compilation): Don't pass decl to
14839 free_after_compilation.
14840 * varasm.c (free_varasm_status): Likewise.
14842 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14844 * except.c (call_get_eh_context): Add root when allocating static
14847 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
14849 * arm.c: Include "ggc.h".
14850 (arm_add_gc_roots): New function.
14851 (arm_override_options): Call it.
14852 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
14854 * arm.md (define_asm_attributes): Add a pool_range attribute.
14856 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
14858 * extend.texi (Volatiles): New node.
14860 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
14862 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
14863 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
14864 (struct ggc_any): Replace `mark' with `magic_mark'.
14865 (ggc_alloc_string): Use memcpy, not bcopy.
14866 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
14867 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
14868 (ggc_free_any): New.
14869 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
14870 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
14871 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
14872 Use IS_MARKED. Use ggc_free_any.
14874 1999-09-09 Scott Bambrough <scottb@netwinder.org>
14876 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
14878 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
14880 * toplev.c (main): Always init_ggc.
14882 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
14884 * except.c (find_all_handler_type_matches): Free the list if
14885 we found no matches.
14887 * combine.c (SUBST): Break out to a real function do_SUBST.
14888 (SUBST_INT): Likewise.
14889 * gcse.c (free_pre_mem): Free `temp_bitmap'.
14890 (pre_insert): Free `inserted'.
14891 * loop.c (basic_induction_var): Always set `location'.
14893 * function.c (expand_function_end): Add initial_trampoline as a root.
14894 * rtl.h (init_varasm_once): Declare.
14895 * toplev.c (compile_file): Call it.
14896 * ggc-simple.c (ggc_mark_string_ptr): New.
14897 (ggc_add_string_root): New.
14898 (ggc_collect): Disable collection avoidance temporarily.
14899 * ggc.h (ggc_add_string_root): Declare.
14900 * except.c (create_rethrow_ref): Use ggc_alloc_string.
14901 * optabs.c (init_libfuncs): Likewise.
14902 * varasm.c (named_section): Use ggc_alloc_string.
14903 (make_function_rtl): Likewise.
14904 (make_decl_rtl): Likewise.
14905 (assemble_static_space): Likewise.
14906 (assemble_trampoline_template): Likewise.
14907 (output_constant_def): Likewise.
14908 (force_const_mem): Likewise.
14909 (mark_const_hash_entry): New.
14910 (mark_pool_sym_hash_table): New.
14911 (mark_varasm_state): Use it.
14912 (init_varasm_once): New.
14914 * expr.h (init_one_libfunc): Declare.
14915 * optabs.c (init_one_libfunc): New.
14916 (init_optabs): Use it.
14917 * config/gofast.h: Likewise.
14918 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
14919 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
14921 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
14923 * Makefile.in (cppexp.o): Depend on cpphash.h.
14924 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
14926 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
14927 * cpplib.c (do_define): Generalise to handle poisoned definitions,
14928 redefining poisoned identifiers, etc.
14929 (do_undef): Don't allow poisoned identifiers to be undefined.
14930 (do_pragma): Add #pragma poison.
14931 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
14933 * cccp.c: Add T_POISON node type.
14934 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
14936 (do_define): Generalise to handle poisoned definitions,
14937 redefining poisoned identifiers, etc.
14938 (do_undef): Don't allow poisoned identifiers to be undefined.
14939 (do_pragma): Add #pragma poison.
14940 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
14942 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
14943 * c-pragma.h: Add ps_poison state. We now always have generic
14946 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
14948 * ggc.h (ggc_alloc): New function.
14949 (ggc_mark): Likewise.
14950 * ggc-simple.c (ggc_any): New structure.
14951 (ggc_status): Add anys.
14952 (n_anys_collected): New variable.
14953 (ggc_alloc): Define.
14954 (ggc_mark): Likewise.
14955 (ggc_collect): Collect the anys.
14957 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14959 * c-decl.c (mark_binding_level): Make static to match prototype.
14961 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
14963 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
14965 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
14967 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
14968 will use into account. Expand the max width to 5.
14971 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
14973 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
14974 for the rtx length.
14976 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
14978 * alpha.md (call value patterns): Remove the result predicates.
14980 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
14982 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
14985 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14987 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
14988 changed from extern char *, to extern PTR. Also fix typo in
14989 NEED_DECLARATION_REALLOC test.
14991 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
14993 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14995 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
14996 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
14997 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
14998 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
15000 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
15002 * cccp.c (pcfinclude): Likewise.
15004 * global.c (allocno_compare): Likewise.
15006 * haifa-sched.c (rank_for_schedule): Likewise.
15008 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
15010 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
15012 * stupid.c (stupid_reg_compare): Likewise.
15014 * tree.c (_obstack_allocated_p): Likewise.
15016 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
15018 1999-09-08 Bruce Korb autogen@linuxbox.com
15020 * Makefile.in: Give the hapless gperf user a hint about
15021 why "gperf -F" fails.
15023 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
15025 * lists.c: Include ggc.h.
15027 (init_EXPR_INSN_LIST_cache): Install it.
15029 * ggc-simple.c (init_ggc): Absorb the old init.
15030 (ggc_push_context): Use xcalloc.
15031 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
15032 (ggc_collect): Add [rvts] tags to the collection stats.
15034 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
15036 * cccp.c (main): Fix handling of -include and -imacros options.
15038 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
15040 * cpplib.c (cpp_push_buffer): Fix order of arguments.
15042 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
15044 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
15047 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
15049 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
15050 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
15051 and SET_DEST. Update comment.
15053 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15055 * config/c4x/c4x.c: Include ggc.h.
15056 (c4x_add_gc_roots): New function.
15057 (c4x_override_options): Call c4x_add_gc_roots.
15059 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
15061 * defaults.h (TARGET_ESC): Move ...
15062 * system.h: ... here, where Linas had it in the first place. Silly me.
15064 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
15066 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
15067 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
15068 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
15069 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
15070 * defaults.h (TARGET_ESC): Add default.
15072 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
15074 * configure.in: add i370-*-openedition, i370-*-mvs and
15075 i370-*-linux targets
15077 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
15079 * dsp16xxx.c: Include ggc.h
15080 (override_options): Mark GC roots.
15081 * mn10200.c: Include ggc.h.
15082 (asm_file_start): Mark GC roots.
15083 * tahoe.c: Include ggc.h.
15084 (extensible_operand): Mark GC roots.
15086 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
15088 * README: Add section discussing status of ELF ABI.
15089 * i370.c: Fix misc spelling mistakes.
15090 (i370_label_scan): Updated notes, exception handling.
15091 (i370_function_prolog): Simplify ELF stack handling.
15092 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
15093 (STACK_GROWS_DOWNWARD): ELF stack grows down.
15094 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
15095 * i370.md: (movdi): Add notes.
15096 (floatsidf2): Use stack not rtca for scratch float area.
15097 (iorsi3): Correct operand constraints.
15098 * x-oe: Restore TAROUTOPTS which are used by pax.
15100 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
15102 * rs6000.c: Include ggc.h.
15103 (rs6000_add_gc_roots): New function.
15104 (override_options): Call it.
15106 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
15108 * alpha.h (alpha_compare): New.
15109 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
15110 * alpha.c: Likewise for the definitions.
15111 (alpha_emit_conditional_branch): Update for alpha_compare.
15112 (alpha_emit_conditional_move): Likewise.
15113 * alpha.md (cmpdf, cmpdi): Likewise.
15114 (setcc patterns): Likewise. Zero alpha_compare after use.
15115 (sne): Optimize (x != 0) into (0U < x).
15117 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
15119 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
15120 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
15121 (INIT_EXPANDERS): Remove.
15122 * alpha.c: Include ggc.h.
15123 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
15124 (alpha_init_machine_status, alpha_mark_machine_status): New.
15125 (override_options): Install them.
15126 (struct machine_function): Moved to alpha.h.
15127 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
15128 (alpha_init_expanders): Remove.
15129 (alpha_return_addr): Adjust to use current_function->machine.
15130 (alpha_ra_ever_killed): Likewise.
15131 (alpha_expand_epilogue): Likewise.
15132 * alpha.md (eh_epilogue): Likewise.
15134 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
15135 Melissa O'Neill <oneill@cs.sfu.ca>
15136 Geoffrey Keating <geoffk@cygnus.com>
15138 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
15139 call-used registers (call-saved registers must still be contiguous
15140 and end with r31, of course).
15142 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
15144 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
15145 (self_promoting_type_p): Delete.
15146 (self_promoting_args_p): Move ...
15147 * c-common.c: ... here.
15148 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
15149 (simple_type_promotes_to): New.
15150 * builtins.c (lang_type_promotes_to): New.
15151 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
15152 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
15153 * c-common.h: ... here.
15154 (self_promoting_args_p, simple_type_promotes_to): Declare.
15155 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
15156 (grokdeclarator): Likewise.
15157 * tree.h (lang_type_promotes_to): Declare.
15159 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
15161 Add some machine-dependent GC roots.
15162 * sparc.c: Include ggc.h.
15163 (sparc_add_gc_roots): New function.
15164 (mark_ultrasparc_pipeline_state): Likewise.
15165 (override_options): Call sparc_add_gc_roots.
15166 * pa.c: Include ggc.h.
15167 (pa_add_gc_roots): New function.
15168 (mark_deferred_plabels): Likewise.
15169 (override_options): Call pa_add_gc_roots.
15170 * mips.c: Include ggc.h.
15171 (mips_add_gc_roots): New function.
15172 (override_options): Use it.
15174 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15176 * cpperror.c (cpp_file_line_for_message): Constify a char*.
15178 * cppexp.c (parse_number, parse_charconst, cpp_lex,
15179 cpp_parse_expr): Add static prototypes.
15180 (parse_charconst): Don't cast away const-ness.
15181 (token): Constify a char*.
15183 * cppfiles.c (file_name_list, include_hash, find_include_file,
15184 finclude, initialize_input_buffer): Constify a char*.
15185 (file_cleanup, find_position): Add static prototypes.
15187 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
15188 collect_expansion): Add static prototypes.
15189 (cpp_install, create_definition, monthnames): Constify a char*.
15191 * cpphash.h (cpp_install): Likewise.
15193 * cppinit.c (known_suffixes, default_include,
15194 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
15195 (base_name, dump_special_to_buffer, initialize_dependency_output):
15196 Add static prototypes.
15198 * cpplib.c (my_strerror): Constify a char*.
15199 (null_underflow, null_cleanup, skip_comment, copy_comment,
15200 copy_rest_of_line, handle_directive, pass_thru_directive,
15201 get_directive_token, read_line_number, cpp_print_file_and_line,
15202 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
15203 v_cpp_warning_with_line, detect_if_not_defined,
15204 consider_directive_while_skipping): Add static prototypes.
15205 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
15206 cpp_pedwarn_with_file_and_line): Constify a char*.
15208 * cpplib.h (cpp_options, include_hash, progname, definition,
15209 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
15210 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
15211 find_include_file, deps_output, include_hash): Constify a char*.
15213 * cppmain.c (progname): Constify.
15214 (main): Add prototype. Use return, not exit.
15216 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
15217 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
15218 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
15219 check_protection): Add static prototype.
15221 (progname, recognized_macrom, recognized_extern): Constify a char*.
15222 (main): Add prototype.
15224 * gen-protos.c (progname): Constify a char*.
15226 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
15228 * emit-rtl.c (free_emit_status): Take decl as a parameter.
15229 (init_emit_once): Add more GC roots.
15230 * except.c (mark_func_eh_entry): New function.
15231 (mark_eh_node): Mark false_label and rethrow_label.
15232 (init_eh): Add more GC roots.
15233 * function.c (free_after_compilation): Take decl as a paramter.
15234 Call free_stmt_status.
15235 (mark_function_state): Don't assume x_parm_reg_stack_loc is
15237 * function.h (free_after_compilation): Change prototype.
15238 (free_varasm_status): Likewise.
15239 (free_emit_status): Likewise.
15240 (free_stmt_status): New function.
15241 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
15242 Remove, replacing with ...
15243 (ggc_status): New structure.
15244 (ggc_chain): New variable.
15245 (init_gcc): Define.
15246 (ggc_push_context): New function.
15247 (ggc_pop_context): Likewise.
15248 (ggc_alloc_rtx): Adjust for use of ggc_chain.
15249 (ggc_alloc_rtvec): Likewise.
15250 (ggc_alloc_tree): Likewise.
15251 (ggc_alloc_string): Likewise.
15252 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
15253 (ggc_mark_tree): Give language-dependent code a chance to mark
15255 (ggc_mark_tree_varray): Handle empty arrays.
15256 (ggc_collect): Adjust for use of ggc_chain. Clear
15257 bytes_alloced_since_last_gc.
15258 * ggc.h (ggc_pop_context): New function.
15259 (ggc_push_context): Likewise.
15260 * print-tree.c (print_node): Don't print obstacks when GC'ing.
15261 * stmt.c (free_stmt_status): New function.
15262 (init_stmt_for_function): Clear last_expr_value.
15263 * toplev.c (rest_of_compilation): Always call free_after_compilation.
15264 Conditionalize call to ggc_collect.
15265 (main): Call init_ggc.
15266 * tree.c (push_obstacks): Do the push, even when GC'ing.
15267 (push_obstacks_nochange): Likewise.
15268 (pop_obstacks): Liekwise.
15269 * varasm.c (free_varasm_status): Take decl as a parameter.
15271 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
15273 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
15274 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
15275 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
15276 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
15278 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
15280 * pa/x-pa-mpeix: New file for the MPE port.
15282 * pa/quadlib.asm: New file for long double support.
15284 * configure.in: Add hppa1.0-*-mpeix for MPE port.
15285 * configure: Rebuilt.
15287 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
15289 * final.c (shorten_branches): Fix last change.
15291 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
15293 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
15295 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
15297 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
15300 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15302 * c-aux-info.c (concat): Don't define.
15304 * cccp.c (my_strerror): Likewise. All callers changed to use
15306 (do_include): Call xstrdup, not xmalloc/strcpy.
15307 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
15308 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
15310 * collect2.c (my_strsignal): Likewise. All callers changed to use
15312 (locatelib): Call xstrdup, not xmalloc/strcpy.
15314 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
15316 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
15318 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
15320 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
15322 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
15324 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
15326 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
15328 (find_all_handler_type_matches): Likewise. Don't check return
15330 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
15331 xmalloc, not malloc.
15332 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
15334 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
15335 (init_spec): Call xcalloc, not xmalloc/bzero.
15336 (set_spec): Call xstrdup, not save_string.
15337 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
15338 (find_a_file): Call xstrdup, not xmalloc/strcpy.
15339 (process_command): Call xstrdup, not save_string.
15340 (main): Call xcalloc, not xmalloc/bzero.
15342 * gcov.c (xmalloc): Don't define.
15343 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
15344 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
15345 (output_data): Call xcalloc, not xmalloc/bzero.
15347 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
15349 * mips-tdump.c (xmalloc): Don't define.
15350 (print_symbol): Call xmalloc, not malloc.
15351 (read_tfile): Call xcalloc, not calloc.
15353 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
15354 Don't define. All callers of xfree/my_strsignal changed to use
15355 free/strsignal instead.
15356 (allocate_cluster): Call xcalloc, not calloc.
15358 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
15359 Fix memory leak, free allocated memory.
15361 * prefix.c (translate_name): Call xstrdup, not save_string.
15362 (update_path): Likewise.
15364 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
15366 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
15367 Don't define. Callers of xfree/savestring2 changed to use
15368 free/concat instead.
15370 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
15371 (init_elim_table): Likewise.
15373 * resource.c (init_resource_info): Likewise.
15375 * stupid.c (stupid_life_analysis): Likewise.
15377 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
15378 (open_dump_file): Call concat, not xmalloc/strcpy/...
15379 (clean_dump_file): Likewise.
15380 (compile_file): Call xstrdup, not xmalloc/strcpy.
15382 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
15384 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
15385 * v850.c (v850_va_arg): New.
15387 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15389 * haifa-sched.c: Tidy comments.
15391 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15393 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
15394 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
15395 $(out_object_file)): Depend on ggc.h.
15396 * c-common.c: Include "ggc.h".
15397 (combine_strings): If doing GC, use ggc_alloc_string.
15398 * c-decl.c: Include "ggc.h".
15399 (ggc_p): Define with value 0.
15400 (mark_binding_level): New function.
15401 (init_decl_processing): Add GC roots.
15402 (mark_c_function_context): New function.
15403 (lang_mark_false_label_stack): New function.
15404 (lang_mark_tree): New function.
15405 (lang_cleanup_tree): New function.
15406 * c-lang.c: Include "ggc.h".
15407 (lang_init): Call c_parse_init.
15408 * c-lex.c: Include "ggc.h".
15409 (check_linenum): If doing GC, don't copy filenames to permanent
15411 * c-parse.in: Include "ggc.h".
15412 (c_parse_init): New function.
15413 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
15414 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
15416 * except.c (mark_eh_state): Mark more state.
15417 * function.c (mark_function_state): Likewise.
15418 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
15419 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
15420 * toplev.c (mark_file_stack): New function.
15421 (compile_file): If doing GC, use ggc_alloc_string on input filename.
15422 (main): Add root for input_file_stack.
15424 * i386.c: Include "ggc.h".
15425 (ix86_mark_machine_status): New function.
15426 (override_options): Set mark_machine_status.
15428 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15430 * tree.c (copy_node): Copy node contents also if doing GC.
15432 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
15434 * collect2.c (scan_libraries): Fix double-thinko :-).
15436 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
15438 * collect2.c (scan_libraries): Fix thinko.
15440 * cse.c (delete_trivially_dead_insns): Do not skip the last
15441 insn if it is a real insn.
15443 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
15445 * Makefile.in (ggc-simple.o): Depend on hash.h.
15446 * ggc.h (ggc_add_tree_hash_table_root): Declare.
15447 (ggc_mark_tree_varray): Likewise.
15448 (ggc_mark_tree_hash_table): Likewise.
15449 * ggc-simple.c: Include hash.h.
15450 (ggc_mark_tree_hash_table_ptr): New function.
15451 (ggc_mark_tree_hash_table_entry): Likewise.
15452 (ggc_mark_tree_hash_table): Likewise.
15453 (ggc_add_tree_hash_table_root): Likewise.
15454 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
15455 rtx, when defining fields.
15457 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
15459 * profile.c (output_func_start_profiler): Remove apparently
15460 nonsensical call to start_sequence.
15462 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
15464 * clipper/clipper.c (clipper_va_start): Fix typos.
15466 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
15467 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
15468 (spur_va_arg): New stub.
15470 * configure.in: Comment out pyramid.
15472 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
15474 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
15475 don't conflict with the bits that win32, cygwin, and dgux
15478 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
15479 Bernd Schmidt <bernds@cygnus.co.uk>
15481 * integrate.c (function_cannot_inline_p): Do not inline
15482 functions with forced labels.
15484 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
15485 Bernd Schmidt <bernds@cygnus.co.uk>
15486 Mark Mitchell <mark@codesourcery.com>
15488 * Makefile.in (ggc-simple.o): Depend on varray.h.
15489 (rtl.o): Depend on ggc.h.
15490 (genattrtab.o): Depend on ggc.h.
15491 (print-tree.o): Likewise.
15492 (fold-const.o): Likewise.
15493 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
15494 (make_insn_raw): Don't cache insns when GC'ing.
15495 (emit_insn_before): Likewise.
15496 (emit_insn_after): Likewise.
15497 (emit_insn): Likewise.
15498 (start_sequence): Use xmalloc to allocate the sequence_stack.
15499 (end_sequence): Add free to free it.
15500 (gen_sequence): Don't cache insns when GC'ing.
15501 (clear_emit_caches): Don't use sequence_element_free_list.
15502 (init_emit): Use xcalloc, not xmalloc+bzero.
15503 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
15504 * function.c (pop_function_context_from): Use free to free the
15505 fixup_var_refs_queue.
15506 (put_reg_into_stack): Allocate it with xmalloc.
15507 * genattrtab.c: Include ggc.h.
15508 (operate_exp): Don't use obstack_free when GC'ing.
15509 (simplify_cond): Likewise.
15510 (simplify_text_exp): Likewise.
15511 (optimize_attrs): Likewise.
15512 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
15514 (gencode): Generate a #include for ggc.h.
15515 * ggc-callbacks.c (ggc_p): Define it to zero.
15516 * ggc-none.c (ggc_p): Likewise.
15517 * ggc-simple.c: Include varray.h.
15518 (ggc_mark_tree_varray): New function.
15519 (ggc_add_tree_varray_root): Likewise.
15520 (ggc_mark_tree_varray_ptr): Likewise.
15521 * ggc.h (ggc_p): Declare.
15522 (varray_head_tag): Likewise.
15523 (ggc_add_tree_varray_root): Declare.
15524 * print-tree.c (print_node): Don't check for TREE_PERMANENT
15525 inconsistencies when GC'ing.
15526 * rtl.c: Include ggc.h.
15527 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
15528 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
15529 (rtx_free): Don't call obstack_free when GC'ing.
15530 * toplev.c (rest_of_compilation): Call ggc_collect after every
15532 * tree.c (push_obstacks): Do nothing, if GC'ing.
15533 (pop_obstacks_nochange): Likewise.
15534 (pop_obstacks): Likewise.
15535 (make_node): Use ggc_alloc_tree when GC'ing.
15536 (copy_node): Likewise.
15537 (get_identifier): Use ggc_alloc_string when GC'ing.
15538 (build_string): Likewise.
15539 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
15540 (tree_cons): Likewise.
15541 (build1): Likewise.
15542 (type_hash_canon): Don't call obstack_free when GC'ing.
15544 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
15546 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
15547 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
15549 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
15550 Bernd Schmidt <bernds@cygnus.co.uk>
15551 Mark Mitchell <mark@codesourcery.com>
15553 * Makefile.in (stor-layout.o): Depend on ggc.h.
15554 (expr.o): Depend on ggc.h.
15555 (profile.o): Depend on ggc.h.
15556 (stor-layout.o): Depend on ggc.h.
15557 * emit-rtl.c (init_emit_once): Add gc roots.
15558 * expr.c: Include ggc.h.
15559 (emit_block_move): Add gc roots.
15560 (clear_storage): Likewise.
15561 * expr.h (init_stor_layout_once): New function.
15562 * profile.c: Include ggc.h.
15563 (init_arc_profiler): profiler_label is a root.
15564 * scan.c (make_sstring_space): Trust xrealloc to function
15565 correctly with first parameter NULL.
15566 * stor-layout.c: Include ggc.h.
15567 (set_sizetype): Add gc root.
15568 (init_stor_layout_once): New function.
15569 * toplev.c (compile_file): Call it.
15571 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
15572 Bernd Schmidt <bernds@cygnus.co.uk>
15573 Mark Mitchell <mark@codesourcery.com>
15575 * Makefile.in (tree.o): Depend on ggc.h.
15576 (varasm.o): Likewise.
15577 (function.o): Likewise.
15578 (stmt.o): Likewise.
15579 (except.o): Likewise.
15580 (optabs.o): Likewise.
15581 (emit-rtl.o): Likewise.
15582 * emit-rtl.c: Include ggc.h.
15583 (sequence_element_free_list): Remove, and all references.
15584 (mark_sequence): New functions.
15585 (mark_emit_state): New function.
15586 * except.c: Include ggc.h.
15587 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
15588 (mark_tree_label_node): New functions.
15589 (mark_eh_state): New function.
15590 * function.c: Include ggc.h.
15591 (mark_temp_slot, mark_function_chain): New functions.
15592 (mark_function_state): New function.
15593 (init_function_once): New function.
15594 * function.h (init_function_once): New function.
15595 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
15596 * ggc.h (label_node): Declare.
15597 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
15598 (lang_mark_false_label_stack): New function.
15599 (mark_temp_slot): Remove declaration.
15600 (mark_function_chain): Likewise.
15601 (mark_eh_state): Adjust prototype.
15602 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
15604 * optabs.c: Include ggc.h.
15605 (mark_optab): New function.
15606 (init_optabs): Add gc roots.
15607 * stmt.c: Include ggc.h.
15608 (mark_cond_nesting, mark_loop_nesting): New functions.
15609 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
15610 (mark_stmt_state): New function.
15611 * toplev.c (compile_file): Call init_function_once.
15612 * tree.c: Include ggc.h.
15613 (type_hash): Move declaration earlier in file.
15614 (TYPE_HASH_SIZE, type_hash_table): Likewise.
15615 (init_obstacks): Add gc roots.
15616 (mark_type_hash): New function.
15617 * varasm.c: Include ggc.h.
15618 (mark_pool_constant): New function.
15619 (mark_varasm_state): New function.
15621 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15623 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
15625 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15627 * c-decl.c (struct language_function): Renamed from struct c_function.
15629 (c_function_chain): Delete.
15630 (push_c_function_context): New arg F. Don't warn about nested
15631 functions here. Fill LANGUAGE elt of F. Delete code to update
15632 c_function_chain. Don't call push_function_context.
15633 (pop_c_function_context): New arg F. Restore from there instead of
15634 from c_function_chain. Don't call pop_function_context. Clear out
15635 LANGUAGE field of F when done.
15636 * c-lang.c: Include "function.h"
15637 (lang_init): Initialize save_lang_status and restore_lang_status.
15638 * c-parse.in (nested_function, nested_function_notype): Warn about
15639 nested functions. Call push_function_context/pop_function_context
15640 instead of the _c_ variants.
15641 * c-tree.h (push_c_function_context, pop_c_function_context): Update
15643 * Makefile.in (c-lang.o): Update dependencies.
15645 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
15646 regno_pointer_flag, regno_pointer_align.
15647 (gen_reg_rtx): Use xrealloc to enlarge them.
15648 (free_emit_status): New function.
15649 * function.c (mark_machine_status, mark_lang_status): New variables.
15650 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
15651 in some bits from assign_stack_local. All callers changed to use new
15653 (assign_stack_local): Just call assign_stack_local_1.
15654 (free_after_compilation): New function.
15655 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
15656 (trampoline_address): Likewise.
15657 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
15658 (prepare_function_start): Explicitly clear some more variables.
15659 * function.h (struct function): New elt can_garbage_collect.
15660 (mark_machine_status, mark_lang_status): Declare variables.
15661 (free_after_compilation, free_emit_status, free_varasm_status,
15662 init_varasm_status): Declare functions.
15663 * toplev.c (rest_of_compilation): Call free_after_compilation when
15664 done with the current function.
15665 * varasm.c (free_varasm_status): New function.
15667 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
15669 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
15670 (EXPAND_BUILTIN_VA_ARG): Define.
15671 * sparc.c (sparc_va_start): New.
15672 (sparc_va_arg): New.
15674 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15676 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
15678 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15680 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
15682 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
15684 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
15685 (OBJS): Add $(GGC).
15686 (ggc-callbacks.o): New target.
15687 * ggc-callbacks.c: New file.
15689 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15691 * expr.h: Collapse individual optab and libfunc vars to arrays.
15692 (optab_index, libfunc_index): New enumerations.
15693 (optab_table, libfunc_table): New arrays.
15694 Add accessor macros for both.
15696 * optabs.c (optab_table, libfunc_table): New.
15697 Delete declarations for individual optab and libfunc vars.
15699 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
15701 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
15703 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
15705 * Makefile.in (GGC, GGC_LIB): New.
15706 (HOST_RTL): Include ggc-none.o.
15707 (ggc-simple.o): New target.
15708 (ggc-none.o): Likewise.
15709 * tree.h (tree_common): Add gc_mark.
15710 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
15711 (struct rtvec_def): Add gc_mark.
15712 * emit-rtl.c (global_rtl): Update static initializers to contain
15713 enough initializers.
15714 * ggc.h, ggc-none.c, ggc-simple.c: New files.
15715 * toplev.c (gc_time): New variable.
15716 (all_time): New variable.
15717 (compile_file): Print gc time.
15718 (print_time): Calculate percentage of the whole.
15720 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15722 Change obstack memory management and varasm constant pool handling so
15723 that nested functions are treated like any other functions.
15724 * function.c (init_machine_status): New variable.
15725 (push_function_context_to): Set contains_functions for the outer
15726 function. Don't call save_varasm_status.
15727 (pop_function_context_from): Don't call restore_varasm_status. Don't
15728 set current_function_contains_functions.
15729 (prepare_function_start): Call init_varasm_status rather than
15730 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
15732 * function.h (struct function) Add field varasm. Delete fields
15733 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
15734 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
15735 (init_machine_status): Declare.
15736 (save_varasm_status, restore_varasm_status): Delete declarations.
15737 (save_tree_status, restore_tree_status): Delete last argument.
15738 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
15739 code. All callers changed.
15740 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
15741 save_constants_in_decl_trees, restore_constants, save_constants,
15742 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
15744 (inlining): New variable.
15745 (reg_map, label_map, insn_map, orig_asm_operands_vector,
15746 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
15748 (save_for_inline_nocopy): Don't save constants.
15749 Don't set inl_emit field in current_function.
15750 (expand_inline_function): Use emit field, not inl_emit, of the inlined
15751 function. Set new variable inlining before
15752 calling copy_rtx_and_substitute.
15753 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
15754 constant pool references if inlining is nonzero.
15755 Delete ADDRESS and (most of the) CONST cases.
15756 (output_inline_function): Save and restore current_function/
15757 current_function_decl. Delete restore_constants code. Don't call
15758 init_const_rtx_hash_table.
15759 * output.h (init_const_rtx_hash_table): Don't declare.
15760 * rtl.h (struct function): Declare.
15761 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
15762 * toplev.c (rest_of_compilation): Don't treat nested functions or
15763 functions containing them specially. Delete all code to deal with
15764 save_for_inline_copying.
15765 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
15766 inline_obstacks): Delete variables.
15767 (save_tree_status): Lose arg CONTEXT. All callers changed.
15768 Simply allocate a new function_maybepermanent_obstack for the new
15769 function, delete all the special cases.
15770 Don't save inline_obstacks.
15771 (restore_tree_status): Lose arg CONTEXT. All callers changed.
15772 Delete special handling for function_maybepermanent_obstack; simply
15774 Don't restore inline_obstacks.
15775 (permanent_allocation): Delete code that frees inline_obstacks.
15776 (print_inline_obstack_statistics): Delete function.
15777 (dump_tree_statistics): Don't call it.
15778 * varasm.c (struct varasm_status): New.
15779 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
15780 last_pool, pool_offset, const_double_chain): Delete global
15781 variables, replace with accessor macros.
15782 (immed_double_const): Don't walk const_double_chain outside a
15783 function, but don't treat nested functions specially anymore.
15784 (immed_real_const_1): Likewise.
15785 (clear_const_double_mem): Don't treat nested functions specially.
15786 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
15787 (save_varasm_status, restore_varasm_status): Delete functions.
15788 (init_varasm_status): New function.
15789 (force_const_mem): Don't treat nested functions specially.
15790 (find_pool_constant): Accept new arg F, search for constants in
15791 that function's pool rather than the current one. All callers
15793 (get_pool_constant_for_function, get_pool_mode_for_function): New
15796 * i386.c (init_386_machine_status): New function, mostly from
15797 clear_386_stack_locals.
15798 (struct machine_functions): Rename element names to avoid name
15800 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
15801 macros, replacing global variables.
15802 (clear_386_stack_locals, save_386_machine_status,
15803 restore_386_machine_status): Delete functions.
15804 (override_options): Initialize init_machine_status.
15805 * i386.h (INIT_EXPANDERS): Delete macro.
15806 (save_386_machine_status, restore_386_machine_status,
15807 clear_386_stack_locals): Delete declarations.
15809 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15811 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
15812 (doloop_begin): Simplify pattern and use emit_jump_insn.
15813 (doloop_end): Simplify pattern, switch operand order,
15814 and use emit_jump_insn.
15816 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
15818 * function.h (struct function): Add new element LANGUAGE.
15819 (save_lang_status): Declare new variable.
15820 (restore_lang_status): Likewise.
15821 * function.c (save_lang_status): Define.
15822 (restore_lang_status): Likewise.
15823 (push_function_context_to): Call language-specific save function.
15824 (pop_function_context_from): Call language-specific restore function.
15826 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
15828 * i386.md (movsf_1): Check REG_P before use of REGNO.
15829 (movdf_1): Likewise.
15830 (movxf_1): Likewise.
15831 (extendsfdf2): Likewise.
15832 (extendsfxf2): Likewise.
15833 (extenddfxf2): Likewise.
15835 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15837 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
15838 constants into memory.
15839 (c4x_shiftable_constant): New function.
15840 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
15841 (c4x_shiftable_constant): Declare.
15842 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
15843 ashlqi3_noclobber): Add new patterns and associated splitters.
15845 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
15847 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
15848 * dwarf2out.c (dwarf2out_frame_init): Likewise.
15849 * final.c (shorten_branches): Likewise.
15850 * global.c (global_alloc): Likewise.
15851 * haifa-sched.c (build_control_flow): Likewise.
15852 * stmt.c (check_for_full_enumeration_handling): Likewise.
15853 (estimate_case_costs): Likewise.
15855 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
15857 * rtl.h (RTL_CHECKC2): Fix typo in last change.
15859 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
15861 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
15862 (recompute_reg_usage): Likewise.
15863 * rtlanal.c (find_regno_fusage): Likewise.
15865 * rtl.c (rtl_check_failed_code1): New function.
15866 (rtl_check_failed_code2): New.
15867 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
15868 (RTL_CHECKC1, RTL_CHECKC2): New.
15869 (XC*): New accessor macros.
15870 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
15871 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
15872 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
15873 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
15874 (TRAP_*, RANGE_INFO_*): Likewise.
15876 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15878 * Makefile.in (tlink.o): Don't depend on toplev.h.
15880 * collect2.c (c_file, o_file, export_file, import_file, ldout,
15881 output_file, nm_file_name, ldd_file_name, strip_file_name,
15882 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
15883 add_prefix, prefix_from_env, prefix_from_string, do_wait,
15884 fork_execute, maybe_unlink, add_to_list,
15885 extract_init_priority, write_list, dump_list,
15886 dump_prefix_list, write_list_with_asm, write_c_file,
15887 write_c_file_stat, write_c_file_glob, scan_prog_file,
15888 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
15889 ignore_library, extract_string, notice, dump_file, target_machine,
15890 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
15891 read_file, print_load_command): Constify a char*.
15892 (fdopen, error, fatal, fatal_perror): Don't prototype.
15893 (my_strerror): Remove. All callers use xstrerror instead.
15894 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
15895 (main): Add prototype. Constify lots of char* ptrs. Change calls
15896 to xcalloc/strcpy/strcat/... to one call to concat.
15897 (main, scan_prog_file, scan_libraries): Use an intermediate
15898 `const char **' to build an argv array.
15899 (mapfile, libselect, libcompare, locatelib): Add prototypes.
15901 * collect2.h (collect_execute, collect_wait, dump_file,
15902 file_exists): Constify a char*.
15903 (ldout, c_file_name, temporary_obstack, permanent_obstack,
15904 temporary_firstobj, vflag, debug): Add extern declarations.
15905 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
15907 * tlink.c: Don't include toplev.h.
15908 (vflag, debug, ldout, c_file_name, temporary_obstack,
15909 permanent_obstack, temporary_firstobj): Don't declare.
15910 (tlink_execute, frob_extension, symbol_hash_lookup,
15911 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
15912 recompile_files, read_repo_files, demangle_new_symbols,
15913 scan_linker_output): Constify a char*.
15914 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
15915 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
15917 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
15919 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
15920 (relative) rather than jsr (absolute) subroutine call insns.
15921 * config/m68k/m68k-coff.h: Ditto.
15923 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
15925 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
15926 now rework these too.
15927 (arm_reorg): If an insn can't reach the end of the current pool,
15928 ensure that we emit that pool before the insn.
15930 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
15932 * tlink.c (scan_linker_output): Skip the initial underscore in
15933 a mangled name if appropriate.
15935 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15937 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
15938 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
15939 error_with_ivar, gen_declarator, create_builtin_decl,
15940 my_build_string, generate_descriptor_table, generate_ivars_list,
15941 generate_dispatch_table, check_protocols, TAG_GETCLASS,
15942 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
15943 dump_base_name, lang_decode_option, build_encode_expr,
15944 start_class, finish_class, encode_pointer, really_start_method,
15945 gen_declaration, dump_interface, handle_class_ref, handle_impent):
15947 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
15948 Add static prototypes.
15949 (build_objc_string_decl, build_selector_reference_decl,
15950 encode_bitfield, build_class_reference_decl): Remove unused
15951 parameter, all callers changed.
15952 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
15953 (objc_printable_name): Likewise. Change second parameter to type int.
15954 (init_objc): Use memcpy, not bcopy, to avoid casts.
15956 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
15958 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
15959 reg notes on a deleted insn.
15960 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
15962 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
15964 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
15966 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15968 * stmt.c (expand_asm_operands): Fix index into inout_mode when
15971 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
15973 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
15974 * tm.texi (MD_ASM_CLOBBERS): Document it.
15976 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
15978 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
15979 * except.c (expand_rethrow): Remove unused variable.
15980 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
15981 * flow.c (replace_insns): Likewise.
15982 (create_edge_list, verify_edge_list): Likewise.
15983 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
15985 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
15986 is special code to run.
15987 (main): Don't define operands to emit_operand.
15988 * genrecog.c (main): Don't emit an empty peephole2_insn function.
15990 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
15992 * alpha/alpha.h (normal_memory_operand): Declare.
15993 (reg_no_subreg_operand): Declare.
15994 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
15996 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
15998 * c-parse.in (compstmt_primary_start): New, broken out of first
15999 part of compstmt handling in primary.
16000 (primary): Use it. Add an error clause.
16001 (compstmt_nostart): Renamed from compstmt; remove all
16002 initial invocations of compstmt_start.
16005 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
16007 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
16010 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
16012 * combine.c (simplify_shift_const): Remove extra semicolon.
16013 * dwarf2out.c (remove_AT): Likewise.
16014 * expmed.c (expand_mult): Likewise.
16015 * gcov.c (create_program_flow_graph): Likewise.
16016 * reorg.c (mostly_true_jump): Likewise.
16018 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
16020 * fold-const.c (fold_range_test): Do not try to fold the range
16021 test if the rhs or lhs has side effects.
16023 * combine.c (simplify_rtx): Recognize another case of a synthesized
16026 * varasm.c (mark_constant_pool): When marking indirect references,
16027 only look at SYMBOL_REFs.
16029 * except.c (expand_fixup_region_end): Do not peek at
16030 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
16032 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
16034 * flags.h: New variables align_loops, align_loops_log,
16035 align_jumps, align_jumps_log, align_labels, align_labels_log,
16036 align_functions, align_functions_log.
16037 * toplev.c: Define them.
16038 (f_options): Handle -falign-* when they have no argument.
16039 (main): Add logic to set variables for -falign-functions,
16040 -falign-jumps, -falign-labels, -falign-loops.
16041 Make it -fsched-verbose=<n> and -finline-limit=<n>.
16042 (display_help): Change help to match options.
16043 * final.c (LABEL_ALIGN): Default to align_labels_log.
16044 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
16045 (LOOP_ALIGN): Default to align_loops_log.
16046 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
16047 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
16048 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
16049 * varasm.c (assemble_start_function): Handle align_functions.
16051 * config/sparc/sparc.h: Don't declare sparc_align_*.
16052 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
16053 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
16055 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
16057 * config/sparc/sparc.c: Delete sparc_align_loops,
16058 sparc_align_jumps, sparc_align_funcs and the corresponding string
16060 (sparc_override_options): Default align_functions on ultrasparc.
16061 Delete -malign-* handling.
16063 * config/mips/mips.c (override_options): On 64-bit targets,
16064 try to align code to 64-bit boundaries.
16065 (print_operand): New substitution, %~,
16066 which aligns labels to align_labels_log.
16067 * config/mips/mips.md (div_trap_normal): Use %~.
16068 (div_trap_mips16): Likewise.
16070 (absdi2): Likewise.
16071 (ffssi2): Likewise.
16072 (ffsdi2): Likewise.
16073 (ashldi3_internal): Likewise.
16074 (ashrdi3_internal): Likewise.
16075 (lshrdi3_internal): Likewise.
16076 (casesi_internal): Likewise.
16078 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
16080 Merge new ia32 backend from the branch!
16082 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
16083 See ChangeLog.P2 on new_ia32_branch for details.
16085 * rtl.h (stack_regs_mentioned_p): Delete prototype.
16086 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
16087 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
16088 * i386/gas.h (ASM_FILE_START): Define.
16089 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
16090 for name change of ix86_valid_decl_attribute_p.
16091 (i386_pe_valid_type_attribute_p): Similarly.
16093 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
16095 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
16096 to step through CC modes.
16098 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16100 * regmove.c (fixup_match_1): Don't move INSN in front of P if
16101 it would end up in the shadow of a live flags regsiter.
16103 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16105 * reload1.c: Fix many indentation problems.
16106 * reload.c: Likewise.
16108 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
16110 * alias.c (non_local_reference_p): Constify fmt.
16112 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
16114 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
16116 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
16118 * cse.c (delete_trivially_dead_insns): Do not delete stores to
16119 the internal_arg_pointer.
16121 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
16123 Merge peephole2 from new_ia32_branch:
16124 * Makefile.in (STAGESTUFF): Add *.peephole2.
16125 (mostlyclean): Likewise.
16126 (recog.o): Depend on resource.h.
16128 * final.c (peephole): Conditionalize decl on HAVE_peephole.
16129 (final_scan_insn): Likewise for the invocation of peephole.
16130 * genconfig.c (main): Look for peephole and peephole2 patterns.
16131 Emit HAVE_peephole* accordingly.
16132 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
16133 * flags.h (flag_peephole2): Declare.
16134 * toplev.c: New pass peephole2. New flag -fpeephole2.
16136 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
16137 * gencodes.c (main): Likewise.
16138 * genextract.c (main): Likewise.
16139 * genoutput.c (main): Likewise.
16140 * genemit.c (max_operand_1): Look for the max scratch operand.
16141 (gen_rtx_scratch): New.
16142 (gen_exp): Use it, and pass on new arg subroutine_type.
16143 (gen_expand): Take max scratch into account.
16144 (gen_split): Emit peephole2 functions.
16145 (output_peephole2_scratch): New.
16146 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
16147 * genrecog.c (routine_type): Add PEEPHOLE2.
16149 (make_insn_sequence): Match outer parallel for peep2. Discard
16150 top level scratches and dups.
16151 (add_to_sequence): New args insn_type and top. Update all callers.
16152 Handle toplevel peep2 matching insns.
16153 (write_subroutine): Handle peep2.
16154 (write_tree_1): Likewise.
16155 (write_tree): Likewise.
16157 (change_state): New arg afterward. Update all callers.
16158 Handle matching separate insns.
16159 * recog.c (recog_next_insn): New.
16160 (peephole2_optimize): New.
16161 * rtl.def (DEFINE_PEEPHOLE2): New.
16162 * resource.c (find_free_register): New argument last_insn. Use it
16163 to find a register available through the entire span.
16164 * resource.h (find_free_register): Update prototype.
16166 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
16168 * i386.c (output_strlen_unroll): Don't write xops[7]
16169 label if it wasn't set.
16171 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
16173 * cpplib.c (struct directive): Const-ify name pointer and
16174 function pointer prototype.
16175 (validate_else, do_define, do_line, do_include, do_undef,
16176 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
16177 do_elif, do_endif, do_sccs, do_assert, do_unassert,
16178 do_warning): Const-ify second arg.
16179 (directive_table): Mark const. Reorder entries by frequency
16180 of usage, record statistics.
16182 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
16184 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
16185 bounds- check RTL accesses if --enable-checking.
16186 (RTVEC_ELT): Bounds check if --enable-checking.
16187 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
16188 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
16189 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
16191 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
16192 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
16194 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
16195 (NOTE_SOURCE_FILE): Use X0STR.
16196 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
16197 MEM_ALIAS_SET): Use X0INT.
16198 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
16199 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
16201 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
16202 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
16203 (rtl_check_failed_bounds, rtl_check_failed_type1,
16204 rtl_check_failed_type2, rtvec_check_failed_bounds): New
16206 (fancy_abort): Fix comment.
16208 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
16209 (cse_insn): Decrement LABEL_NUSES for jump target before
16210 deleting jump insn.
16211 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
16212 * final.c (alter_subreg): Compute regno before changing x to
16213 REG; set REGNO(x) after changing it.
16214 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
16215 notes containing CONST_INTs.
16216 (delete_eh_regions): Use NOTE_EH_HANDLER.
16217 * function.c (put_reg_into_stack): Make reg a MEM before
16219 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
16221 (gen_mem_addressof): Make reg a MEM before initializing it.
16222 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
16224 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
16225 deleting an insn, not after.
16226 (block_alloc): Only look at PATTERN(insn) if we have to, and
16227 only if it's format class 'i'.
16228 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
16229 CONST_INT before using its INTVAL.
16230 * print-rtl.c (print_rtx): Use X0STR.
16231 * regmove.c (fixup_match_1): Don't look at PATTERN of
16232 non-class-'i' insn chain elements.
16233 * reload.c (loc_mentioned_in_p): Take address of
16234 in->fld[1].rtx directly.
16235 * reload1.c (reload): Change reg to a MEM before initializing
16237 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
16239 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
16241 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
16243 * config/mips/mips.c (machine_dependent_reorg): Force a
16244 barrier to output the local constant pool if a barrier hasn't
16245 been found at a natural point in the instruction stream.
16247 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16249 * c-parse.in (language_string): Constify.
16251 * dwarf2out.c (language_string): Remove declaration.
16253 * dwarfout.c (language_string): Likewise.
16255 * toplev.c (language_string, init_parse, finish_parse): Likewise.
16257 * tree.h (language_string, init_parse, finish_parse): Declare.
16259 * i386/sun386.h (language_string): Remove declaration.
16261 * mips.h (language_string): Likewise.
16263 * nextstep.h (language_string): Likewise.
16265 * nextstep21.h (language_string): Likewise.
16267 * rs6000.c (language_string): Likewise.
16269 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16271 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
16272 (getpwd.o): Remove target.
16274 * getpwd.c: Delete file. Its in libiberty now.
16276 * dbxout.c (getpwd): Don't prototype.
16277 * dwarf2out.c (getpwd): Likewise
16278 * dwarfout.c (getpwd): Likewise
16279 * final.c (getpwd): Likewise.
16280 * protoize.c (getpwd): Likewise.
16282 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16284 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
16286 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
16288 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
16289 mark_set_resources.
16291 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
16293 * fixinc/Makefile.in (subdir): New.
16294 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
16297 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
16299 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
16300 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
16303 * invoke.texi: Fix typo.
16305 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
16306 changed. Handle autoincrement addressing modes.
16308 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
16309 just like we would the virtual incoming args register when
16312 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
16314 * rs6000.h (ASM_FILE_START): Specify complete filename, including
16315 path, in .file directive.
16317 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
16319 * gcc.texi (External Bugs): Remove obsolete note about Perl on
16322 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
16324 * stdbool.h: Make the typedef name _Bool, with bool a #defined
16327 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16329 * tree.c (tree_code_name): Constify a char*.
16331 * tree.h (tree_code_name, decl_printable_name): Likewise.
16333 * function.h (struct function): Likewise.
16335 * toplev.c (decl_name, decl_printable_name): Likewise.
16337 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
16339 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
16340 (init_objc): Remove function pointer cast.
16342 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
16344 * pa.md (interspace_jump): New pattern.
16345 (builtin_longjmp): New expander.
16347 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
16349 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
16350 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
16351 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
16353 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
16355 * jump.c (delete_prior_computation): Also check calls
16356 to constant functions. Don't bother checking for a
16357 REG_UNUSED note before adding it.
16358 (delete_computation): Handle multi-word hard registers
16359 when synthesizing missing REG_DEAD notes for a register
16360 which is both set and used by an insn.
16362 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16364 * loop.c (this_loop_info): New variable.
16365 (loop_has_call, loop_has_volatile, loop_has_tablejump,
16366 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
16368 (prescan_loop, strength_reduce): New argument loop_info. All callers
16370 (scan_loop): New variable loop_info, initialise to address of
16372 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
16373 Delete variable loop_has_multiple_exit targets and replace with
16374 field in this_loop_info.
16375 (find_and_verify_loops): Rename this_loop to this_loop_num.
16376 (strength_reduce): Delete loop_iteration_info. Replace variable
16377 loop_info with function argument of same name.
16378 (insert_bct): Rework test for loop being completely unrolled.
16380 * loop.h (struct loop_info): New fields num, loops_enclosed,
16381 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
16382 has_indirect_jump, and cont. Redefine use of unroll_number.
16383 (loop_unroll_number): Delete.
16385 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
16386 field of loop_info.
16387 (loop_iterations): Delete variable vtop and instead use
16388 loop_info->vtop computed in prescan_loop.
16390 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
16392 * fix-header.c (main): Do not pass a null pointer to strcmp.
16394 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
16396 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
16398 * configure: Rebuilt.
16400 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
16402 * jump.c (jump_optimize_1): Do not delete assignments to
16403 internal_arg_pointer.
16404 * cse.c (delete_trivially_dead_insns): Always consider a set of
16405 the internal_arg_pointer live.
16407 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
16409 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
16410 (update_life_info) [REG_WAS_0]: Search the original insns rather
16411 than the new insns for the note. Fix typos finding note_dest.
16412 If no dest found, discard the note rather than abort.
16413 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
16414 (replace_insns): Remove the old insn list after update_life_info
16417 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
16419 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
16420 sched_analyze_insn.
16421 (sched_analyze_1): Let add_dependence care for not adding dups.
16422 (sched_analyze_2): Likewise.
16423 (add_branch_dependences): Likewise.
16425 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
16427 * i386/winnt.c (export_list): New type.
16428 (exports_head): Rename to
16429 (export_head): this.
16430 (i386_pe_record_exported_symbol): Add is_data flag.
16431 (i386_pe_asm_file_end): Emit directive for exported variables.
16432 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
16434 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
16435 (ASM_DECLARE_OBJECT_NAME): Likewise.
16436 (ASM_DECLARE_FUNCTION_NAME): Likewise.
16437 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
16439 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
16441 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
16443 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
16446 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
16448 * config/openbsd.h: Define SET_ASM_OP.
16449 * tm.texi: cross-reference SET_ASM_OP in the index.
16451 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
16453 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
16454 for a CONST_DOUBLE, at compile time. Initialize rtx_length
16455 and class_narrowest_mode at compile time. Kill init_rtl.
16456 Mark rtx_length, mode_class, mode_size, mode_unit_size,
16457 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
16458 rtx_format as const. Kill all references to EXTRA_CC_MODES or
16460 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
16462 * rtl.h: Declare rtx_length and rtx_format as const.
16463 * machmode.def: Define CC(). Use CC() to define CCmode. If
16464 EXTRA_CC_MODES is defined, expand it here.
16465 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
16466 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
16467 const. Kill all references to EXTRA_CC_MODES.
16469 * toplev.c: Don't prototype or call init_rtl.
16470 * optabs.c: Don't call init_mov_optab.
16471 * genemit.c: Don't generate init_mov_optab. Don't call
16473 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
16475 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
16476 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
16477 genrecog.c: Don't call init_rtl.
16479 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
16480 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
16481 definition of EXTRA_CC_MODES.
16483 * md.texi: Kill ref to EXTRA_CC_NAMES.
16484 * tm.texi: Document new way to define EXTRA_CC_MODES.
16486 * genrecog.c: Do not look up the name of a define_split.
16487 (Unrelated bugfix.)
16489 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
16491 * config/v850/v850.md: Fix typo introduced by previous delta.
16493 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16495 * gcc.c (fatal): Make definition static to match prototype.
16497 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16499 * combine.c (get_last_value): Don't look for earlier sets if the last
16500 known set is somewhere in between the insns being combined.
16502 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
16504 * configure.in: Don't use shell ! to negate exit codes
16505 * configure: Regenerate
16507 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
16509 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
16510 the fact that ALIGN is measured in bits, not bytes.
16512 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
16514 * errors.c: New file; defines functions error, warning, and
16515 fatal, variables have_error and progname.
16516 * errors.h: New file; prototypes and decls for stuff in errors.c.
16518 * Makefile: Add rules to build errors.o and
16519 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
16520 genopinit, genrecog, genextract, genpeep, genattr, and
16521 genoutput with errors.o. Add errors.h to deps of genconfig.o,
16522 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
16523 genpeep.o, genattr.o, and genoutput.o.
16525 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
16526 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
16527 define or prototype fatal. Set progname at beginning of main.
16528 * genoutput.c: Likewise, and don't define or prototype error
16531 * c-typeck.c (c_expand_start_case): Return immediately if exp
16533 * fold-const.c (operand_equal_p): Return immediately if arg1
16534 or arg0 are ERROR_MARKs.
16535 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
16536 fields of type ERROR_MARK when calculating if the record can
16539 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
16540 with much help from Jeffrey A Law and Richard Henderson
16542 * i386.md: In the 6 insns which call output_fix_trunc,
16543 earlyclobber operands[0].
16545 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
16547 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
16548 creating new registers.
16550 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
16552 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
16553 i386_reg_alloc_order, i386_regparm_string,
16554 i386_align_loops_string, i386_align_jumps_string,
16555 i386_align_funcs_string, i386_preferred_stack_boundary_string,
16556 and i386_branch_cost_string as type "const char *".
16557 * i386.c: Define all above strings as type "const char *".
16559 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
16561 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
16562 when emitting alignment padding. Emit padding byte of 0 instead of 4.
16564 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
16566 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
16567 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
16569 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
16571 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
16572 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
16573 (dwarf2out_line, dwarf2out_finish): Likewise.
16574 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
16576 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
16578 * tree.c (lang_unsave_expr_now) : Correct return type.
16579 * tree.h (lang_unsave_expr_now) : Same.
16581 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
16583 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
16584 instead of duplicating code.
16586 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16588 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
16590 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
16592 * tree.h: fancy_abort always takes three args.
16593 * resource.c: Move include of system.h before toplev.h.
16595 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
16597 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
16600 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
16602 * system.h: Don't redefine abort or trim_filename.
16603 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
16604 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
16605 whether or not __FUNCTION__ is available.
16606 * tree.h: Duplicate rtl.h's definition of abort, for files
16607 that don't include rtl.h. Delete all code to perform type
16608 checking with a compiler other than GCC.
16609 * varray.h: Delete all code to perform type checking with a
16610 compiler other than GCC. Make VARRAY_CHECK() always evaluate
16611 its arguments exactly once, using a statement expression.
16612 Adjust the VARRAY_<type> accessor macros to match.
16613 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
16614 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
16615 caller's location. Define fatal_insn and fatal_insn_not_found
16616 as macros that use _fatal_insn and _fatal_insn_not_found.
16617 (fancy_abort, trim_filename): Kill prototypes.
16619 * rtl.c (trim_filename): Move here from toplev.c.
16620 (fancy_abort): New function.
16621 (DIR_SEPARATOR): Provide default definition.
16622 * tree.c (tree_check_failed, tree_class_check_failed): Go
16623 through fancy_abort.
16624 (tree_check, tree_class_check, cst_or_constructor_check,
16625 expr_check): Delete.
16626 * varray.c (varray_check_failed): New function.
16627 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
16628 _fatal_insn and _fatal_insn_not_found. Go through
16630 (trim_filename, fancy_abort): Delete.
16632 * builtins.c (expand_builtin_args_info): Report ICE with abort.
16633 * except.c (start_catch_handler): Report ICE with error/abort
16635 * final.c (output_operand_lossage): Likewise.
16636 * flow.c (verify_flow_info): Likewise.
16638 * gcc.c: Prototype fatal.
16639 * gengenrtl.c: Undef abort after including rtl.h not system.h.
16640 * genattr.c, genattrtab.c, genemit.c, genextract.c,
16641 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
16642 Don't define fancy_abort.
16644 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
16646 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
16649 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
16651 * m88k.h (VERSION_INFO2): Kill.
16652 (VERSION_STRING): Kill.
16654 (VERSION_INFO1): Tidy.
16655 (TARGET_VERSION): Update.
16656 * m88k/dgux.h (VERSION_INFO2): Kill.
16657 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
16658 * m88k/luna.h (VERSION_INFO1): Tidy.
16659 * m88k/sysv4.h (VERSION_INFO1): Likewise.
16660 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
16661 (output_file_start): Adjust for death of VERSION_STRING.
16663 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
16665 * cpplib.c (detect_if_not_defined): New function.
16666 (do_if): Use it to detect potential once-only headers.
16668 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
16670 * c-common.c (combine_strings): Always set TREE_CONSTANT.
16672 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16674 * combine.c (nonzero_bits) : Allow single-ly set registers to be
16675 anywere in the function only if they are pseudos and set before
16676 being used (not live at the start of the function).
16677 (num_sign_bit_copies) : Same.
16678 (get_last_value_validate) : Same.
16679 (get_last_value) : Same.
16681 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
16683 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
16684 where N and M are constant and N is an integer multiple of M.
16686 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16688 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
16689 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
16690 sbitmap_union_of_preds): Add prototypes.
16691 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
16692 the intersection of successors with the new flow graph structures.
16693 (sbitmap_intersection_of_preds): New function to compute the
16694 intersection of predecessors with the new flow graph structures.
16695 (sbitmap_union_of_succs): New function to compute the union of
16696 successors with the new flow graph structures.
16697 (sbitmap_union_of_preds): New function to compute the union of
16698 predecessors with the new flow graph structures.
16699 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
16700 (expr_reaches_here_p): Use edge and basic_block structures instead
16701 of s_preds and s_succs.
16702 (compute_cprop_avinout): Use new sbitmap routines.
16703 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
16704 of s_preds and s_succs.
16705 * flow.c (compute_flow_dominators): Compute dominators using
16706 edges and basic blocks instead of s_preds and s_succs.
16708 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16710 * lists.c (unused_insn_list, unused_expr_list): New file for
16711 maintaining various types of lists. New statics for maintaining a
16712 cache of available INSN_LIST and EXPR_LIST nodes.
16713 (free_list): Static function for freeing a list of INSN/EXPR nodes.
16714 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
16715 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
16716 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
16717 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
16718 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
16719 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
16720 (free_INSN_LIST_node): Free an individual INSN_LIST node.
16721 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
16722 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
16723 (remove_dependence, free_pending_lists): Use new global routines.
16724 (flush_pending_lists, sched_analyze_insn): Use new global routines.
16725 (sched_analyze, compute_block_backward_dependences): Use new routines.
16726 (sched_analyze_1, sched_analyze_2): Use new routines.
16727 (schedule_insns): Use new global routines.
16728 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
16730 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
16731 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
16733 * toplev.c (rest_of_compilation): Initialize node cache.
16734 * Makefile.in (OBJS): Add lists.o to list of object files.
16735 (lists.o): Add dependancies.
16737 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
16739 * config/v850/v850.md: Fix compile time warning messages.
16740 * config/v850/v850.c: Fix compile time warning messages.
16741 * config/v850/v850.h: Fix compile time warning messages.
16743 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16745 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
16746 Remove unused prototype for `init_lengths'.
16748 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16750 * calls.c (emit_call_1): Mark parameter `stack_size' with
16752 (expand_call): Initialize variable `insn'.
16753 (emit_library_call): Likewise for variable `high_to_save'.
16754 (emit_library_call_value): Likewise.
16755 (store_one_arg): Likewise for variables `lower_bound' and
16758 * combine.c (try_combine): Likewise for variables `i2_code_number'
16759 and `other_code_number'.
16760 (find_split_point): Likewise for variables `pos', `unsignedp' and
16762 (simplify_if_then_else): Likewise for variables `op' and `c1'.
16763 (simplify_and_const_int): Remove unused variable `width'.
16764 (merge_outer_ops): Likewise.
16766 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
16767 HOST_WIDE_INT' when comparing against one.
16768 (simplify_relational_operation): Likewise.
16769 (cse_insn): Initialize variables `src_eqv_volatile',
16770 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
16772 * final.c (init_final): Constify parameter `filename'.
16773 (final_start_function): Mark parameter `optimize' with
16775 (profile_function): Likewise for parameters `first' and `optimize'.
16776 (output_source_line): Likewise for parameter `file'.
16778 * integrate.c (subst_constants): Cast a value to `size_t' when
16779 comparing against one.
16780 (mark_stores): Initialize variable `mode'. Cast a value to
16781 `size_t' when comparing against one.
16783 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
16785 * loop.c (move_movables): Initialize variable `first'.
16786 (strength_reduce): Likewise for variable `increment'.
16787 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
16788 value to `size_t' when comparing against one.
16789 (load_mems): Initialize variable `end_label'.
16791 * output.h (init_final): Constify parameter.
16793 * reload.c (decompose): Initialize variable `base'.
16795 * reload1.c (reload): Likewise for variable `is_scalar'.
16796 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
16797 (choose_reload_regs): Initialize variable `mode'.
16798 (emit_reload_insns): Likewise for variable `store_insn'.
16799 (reload_cse_noop_set_p): Mark parameter `insn' with
16801 (reload_combine): Initialize variable `set'.
16803 * unroll.c (unroll_loop): Likewise for variable `local_label'.
16804 (copy_loop_body): Cast a value to `size_t' when comparing against
16807 * varasm.c (assemble_variable): Initialize variable `size_tree'.
16808 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
16809 (remove_from_pending_weak_list): Mark parameter `name' with
16812 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16814 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
16817 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
16819 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
16820 (ASM_DECLARE_FUNCTION_NAME): Define.
16821 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
16822 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
16823 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
16824 not already defined.
16826 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
16828 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
16829 of n_popped when call/call_value are not defined.
16831 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
16833 * tm.texi: GNU CC -> GCC conversion.
16834 (CC1_SPEC): Indicate it is used for all language front ends.
16836 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
16838 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
16839 NOTE_INSN_EH_REGION_END correctly.
16841 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16842 Jeff Law <law@cygnus.com>
16844 * loop.c (strength_reduce): Automatically unroll loops if the
16845 unrolled loop size is smaller than the rolled loop size.
16847 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
16848 and delete comment that code should be rewritten.
16850 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
16852 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
16855 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
16857 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
16859 * fixinc/mkfixinc.sh: Don't fix uwin headers.
16860 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
16861 (LINK_SPEC): Add -u _main when building executables.
16862 (ASM_DECLARE_FUNCTION): Update from Cygwin.
16863 (ASM_FILE_END): Use the default for ix86-pe.
16864 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
16866 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
16868 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
16869 and ASM_CLOSE_PAREN are empty strings.
16871 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
16872 Geoffrey Keating <geoffk@cygnus.com>
16874 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
16875 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
16876 (unprotoize.o): Ditto.
16877 (test-protoize-simple): Don't define STD_PROTO_DIR.
16878 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
16879 changes to make 'test-protoize-simple' pass.
16880 (STD_PROTO_DIR): Remove define.
16881 (STANDARD_EXEC_PREFIX): Supply default define.
16882 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
16883 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
16884 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
16885 (GET_ENV_PATH_LIST): New macro.
16886 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
16887 (do_processing): Initialize default_syscalls_dir using new
16888 macros. Use it to initialize syscalls_absolute_filename.
16890 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
16892 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
16893 B into a register before emit_conditional_move.
16895 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
16897 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
16898 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
16899 multiplicand out of (+ (* a b) (* c d)).
16901 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
16902 Richard Henderson <rth@cygnus.com>
16904 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
16905 (new_insn_dead_notes): Likewise.
16906 (update_n_sets): Likewise.
16907 (update_flow_info): Move to flow.c, renamed to update_life_info;
16908 extend to handle multiple source insns.
16909 * flow.c: Include resource.h
16910 (unlink_insn_chain): New.
16911 (split_hard_reg_notes): New.
16912 (maybe_add_dead_note): New.
16913 (maybe_add_dead_note_use): New.
16914 (find_insn_with_note): New.
16915 (new_insn_dead_notes): New.
16916 (update_n_sets): New.
16917 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
16918 (maybe_remove_dead_notes): New.
16919 (update_life_info): New.
16920 (prepend_reg_notes): New.
16921 (replace_insns): New.
16922 * output.h (update_life_info): Declare.
16923 * recog.c (split_block_insns): Use update_life_info.
16924 * resource.c (find_free_register): Use reg_alloc_order, don't use
16925 fixed regs, make sure the mode is supported, don't use new regs.
16927 * rtl.h (replace_insns): Declare.
16929 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
16931 * expr.c (expand_expr): Cope with COND_EXPRs with one
16932 non-returning branch.
16934 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
16936 * expr.c (store_expr): Always pass down the target, even when not
16939 1999-08-24 Nick Clifton <nickc@cygnus.com>
16941 * configure.in: Define target_cpu_default for v850 targets.
16942 * configure: Regenerate
16944 * config/v850/v850.h (TARGET_CPU_generic): Define.
16945 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
16946 addresses are 4 byte aligned.
16948 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
16951 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16953 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
16954 (main): Add prototypes.
16956 * genattrtab.c (substitute_address, write_const_num_delay_slots,
16957 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
16958 (write_attr_get): Emit prototypes along with function definition.
16959 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
16960 (write_complex_function): Emit static prototype along with
16961 function definition.
16963 * genemit.c (gen_split): Emit prototypes along with function
16966 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
16967 Likewise for predicates and `insn_operand_predicate'.
16968 (process_template): Emit static prototype along with function
16971 * genrecog.c (make_insn_sequence): Constify a char*. Add
16972 prototypes for get_split_*().
16973 (write_subroutine): Emit prototypes along with function
16976 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16978 * gcse.c (find_avail_set): Follow chains of register-register copies.
16979 Use oprs_not_set_p to guarantee that the returned value can be
16981 (cprop_insn): Don't verify the return value of find_avail_set with
16984 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
16985 (cprop_cc0_jump): New function.
16986 (cprop_insn): Break out new function cprop_jump and use it.
16987 Also use cprop_cc0_jump for machines with CC0.
16988 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
16990 * tree.h (current_function_calls_setjmp,
16991 current_function_calls_longjmp): Delete declarations.
16992 * dsp16xx.c: Include "function.h".
16993 * elxsi.c: Likewise.
16994 * gmicro.c: Likewise.
16995 * h8300.c: Likewise.
16996 * i370.c: Likewise.
16997 * m32r.c: Likewise.
16998 * mn10200.c: Likewise.
16999 * mn10300.c: Likewise.
17000 * ns32k.c: Likewise.
17001 * spur.c: Likewise.
17002 * v850.c: Likewise.
17004 * rtl.h (rtx_equal_function_value_matters): Declare.
17005 * toplev.c (rtx_equal_function_value_matters): Don't declare.
17007 * function.c: Likewise.
17008 * emit-rtl.c: Likewise.
17010 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
17012 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
17015 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
17017 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
17020 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
17022 * cpp.texi: Add a node documenting macro varargs (copied
17025 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
17027 * cppspec.c: Put a null pointer at the end of the new argv.
17029 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
17031 * configure.in: Remove code to select/de-select the haifa
17032 scheduler. Every scheduled port gets haifa now.
17033 * configure: Rebuilt.
17034 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
17036 * Makefile.in: Corresponding changes.
17038 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17040 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
17041 All callers changed.
17042 (prepare_float_lib_cmp): Likewise.
17043 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
17044 * expr.h (emit_float_lib_cmp): Delete declaration.
17045 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
17046 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
17047 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
17049 (cmptf): Now conditional on TARGET_HARD_QUAD.
17051 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
17053 * resource.c (mark_target_live_regs): Use
17054 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
17056 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17058 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
17060 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
17062 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
17064 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17066 * rtl.h (rtx_format): Constify a char*.
17068 * rtl.c (rtx_format): Likewise.
17069 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
17070 (init_rtl): Use accessor macro, not `rtx_format'.
17072 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
17075 * caller-save.c (mark_referenced_regs): Likewise.
17077 * combine.c (subst, make_compound_operation, known_cond,
17078 gen_rtx_combine, update_table_tick, get_last_value_validate,
17079 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
17081 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
17082 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
17083 count_reg_usage): Likewise.
17085 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
17088 * final.c (leaf_renumber_regs_insn): Likewise.
17090 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
17091 dump_edge_info, count_reg_references): Likewise.
17093 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
17094 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
17097 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
17098 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
17099 add_label_notes): Likewise.
17101 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
17102 clear_struct_flag, count_sub_rtxs, count_alternatives,
17103 compares_alternatives_p, contained_in_p, walk_attr_value,
17104 write_expr_attr_cache): Likewise.
17106 * genconfig.c (walk_insn_part): Likewise.
17108 * genemit.c (max_operand_1, gen_exp): Likewise.
17110 * genextract.c (walk_rtx): Likewise.
17112 * genflags.c (num_operands): Likewise.
17114 * genoutput.c (scan_operands): Likewise.
17116 * genpeep.c (match_rtx): Likewise.
17118 * genrecog.c (add_to_sequence): Likewise.
17120 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
17123 * integrate.c (save_constants, copy_for_inline,
17124 copy_rtx_and_substitute, subst_constants, restore_constants):
17127 * jump.c (mark_jump_label, invert_exp, redirect_exp,
17128 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
17130 * local-alloc.c (contains_replace_regs, memref_referenced_p):
17133 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
17134 add_label_notes, replace_call_address, count_nonfixed_reads,
17135 invariant_p, find_single_use_in_loop, find_mem_givs,
17136 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
17139 * print-rtl.c (reg_names, print_rtx): Likewise.
17141 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
17143 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
17144 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
17145 print_blocks): Likewise.
17147 * regclass.c (fix_register, record_address_regs,
17148 reg_scan_mark_refs): Likewise.
17150 * regmove.c (stable_but_for_p): Likewise.
17152 * reload.c (loc_mentioned_in_p, operands_match_p,
17153 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
17154 copy_replacements, refers_to_regno_for_reload_p,
17155 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
17156 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
17159 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
17160 delete_address_reloads_1, count_occurrences,
17161 reload_cse_mem_conflict_p, reload_combine_note_use,
17162 add_auto_inc_notes): Likewise.
17164 * resource.c (mark_referenced_resources, mark_set_resources):
17167 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
17168 reg_mentioned_p, regs_set_between_p, modified_between_p,
17169 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
17170 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
17171 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
17172 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
17174 * sched.c (sched_analyze_2, attach_deaths): Likewise.
17176 * stupid.c (stupid_mark_refs): Likewise.
17178 * unroll.c (remap_split_bivs): Likewise.
17180 * varasm.c (mark_constants): Likewise.
17182 * a29k/a29k.c (uses_local_reg_p): Likewise.
17184 * alpha/alpha.c (summarize_insn): Likewise.
17186 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
17187 eliminate_lr2ip): Likewise.
17189 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
17191 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
17192 reg_mentioned_in_mem): Likewise.
17194 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
17195 symbolic_reference_mentioned_p): Likewise.
17197 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
17199 * sh/sh.c (regs_used, mark_use): Likewise.
17201 * vax/vax.c (vax_rtx_cost): Likewise.
17203 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17205 * machmode.h (mode_name): Constify a char*.
17207 * rtl.c (mode_name): Likewise.
17209 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
17211 * optabs.c (init_libfuncs): Constify a char*.
17213 * print-tree.c (mode_name): Remove redundant declaration.
17214 (print_node): Use accessor macro, not `mode_name'.
17216 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
17218 (new_spill_reg): Constify a char*.
17220 * tree.c (mode_name): Remove redundant declaration.
17222 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17224 * rtl.c (rtx_name): Constify a char*.
17226 * rtl.h (rtx_name, fix_sched_param): Likewise.
17228 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
17229 (mypr): Use accessor macro, not `rtx_name'.
17231 * genemit.c (print_code): Constify a char*.
17233 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
17235 * genpeep.c (print_code): Constify a char*.
17237 * genrecog.c (print_code): Likewise.
17239 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
17240 end_bb): Add static prototype.
17241 (draw_edge): Constify a char*.
17242 (end_bb): Remove unused parameter.
17244 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
17245 print_block_visualization): Constify a char*.
17247 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
17249 * c-common.c (c_get_alias_set): Update comment.
17251 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17253 * linux.h (LIB_SPEC): Added.
17255 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17257 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
17259 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
17261 * tree.c (expr_check): Fix typo in last change.
17263 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
17265 * rtl.def (NOTE): Change format to "iuu0n".
17266 (ADDR_DIFF_VEC): Change format to "eEee0".
17267 (ADDRESSOF): Change format to "eit".
17269 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
17270 (RTVEC_ELT): Change to match.
17271 (XVECEXP): Use XVEC and RTVEC_ELT.
17272 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
17273 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
17274 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
17275 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
17276 TRAP_CONDITION, TRAP_CODE): Use XEXP.
17277 (INTVAL): Use XWINT.
17278 (ADDRESSOF_DECL): Use XTREE.
17279 (SET_ADDRESSOF_DECL): Delete.
17280 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
17281 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
17282 ifdefed out since 2.6 at least.
17283 (gen_rtvec_vv): Delete prototype.
17285 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
17287 (copy_most_rtx): Handle 't' format letter.
17288 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
17289 (gen_rtvec_vv): Delete function. All callers changed to use
17290 gen_rtvec_v instead.
17291 * print-rtl.c (print_rtx): Move special casing of NOTEs to
17292 the '0' format letter.
17294 * function.c (gen_mem_addressof): Don't use
17295 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
17297 * integrate.c (copy_rtx_and_substitute): Likewise.
17298 Copy 't' slots with XTREE.
17299 (subst_constants): Treat 't' slots like '[swi]' slots.
17300 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
17301 * jump.c (rtx_equal_for_thread_p): Likewise.
17302 * rtlanal.c (rtx_equal_p): Likewise.
17303 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
17304 only four arguments.
17305 * gengenrtl.c (type_from_format): Provide correct types for
17309 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
17310 If a recent gcc is in use (always in stage2 and beyond), use
17311 statement expressions, so we don't make a function call unless
17312 the check fails. Evaluate arguments exactly once.
17313 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
17314 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
17316 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
17317 they evaluate their arguments exactly once, irrespective of
17318 the compiler in use.
17320 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
17321 is used by the currently-enabled check macros. This is:
17322 (tree_check_failed, tree_class_check_failed): For gcc.
17323 (tree_check, tree_class_check, cst_or_constructor_check,
17324 expr_check): For other compilers.
17326 * gencheck.c: Do not define any *_CHECK1 macros.
17328 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
17329 Mark Mitchell <mark@codesourcery.com>
17331 * c-common.c (c_get_alias_set): Fix support for poitners and
17334 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
17336 * alias.c: Include tree.h.
17337 (nonlocal_reference_p, mark_constant_function): New functions.
17338 * flow.c (life_analysis): Call mark_constant_function.
17339 * rtl.h (mark_constant_function): Declare it.
17341 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
17343 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
17344 unrecognisable switches.
17346 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17348 * loop.c (recombine_givs): Set ix field after sorting.
17349 (recombine_givs): Remove bogus index / giv lockstep looping.
17351 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17353 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
17355 (emit_store_flag_force): Use do_compare_rtx_and_jump.
17356 (do_cmp_and_jump): Formatting fixes.
17357 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
17358 do_compare_rtx_and_jump instead of compare_from_rtx.
17359 (do_compare_rtx_and_jump): New function; mostly copied from
17361 (do_jump_for_compare): Delete.
17362 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
17364 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
17365 of compare/do_jump_for_compare pairs.
17366 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
17367 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
17368 compare_from_rtx/do_jump_for_compare pairs.
17369 (do_jump_by_parts_equality): Likewise.
17370 (do_jump_by_parts_equality_rtx): Likewise.
17371 * expr.h (do_compare_rtx_and_jump): Declare.
17372 * optabs.c (prepare_cmp_insn): New function, contains most of the code
17373 that used to be in emit_cmp_insn.
17374 (cmp_available_p): New function.
17375 (prepare_operand): New function.
17376 (emit_cmp_and_jump_insn_1): New function, contains some code that used
17377 to be in emit_cmp_insn.
17378 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
17379 parameters to be pointers; don't emit final compare but modify some of
17380 the values pointed to by the args so the caller can perform the
17381 correct comparison.
17382 (expand_binop): Call emit_store_flag_force with signed forms of
17384 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
17385 emit_jump_insn pair.
17386 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
17387 emit_cmp_and_jump_insn_1. Call emit_queue.
17388 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
17390 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
17391 jump sets cc0 before deleting it.
17392 * integrate.c (expand_inline_function): Likewise.
17393 * unroll.c (unroll_loop): Similar changes in several places.
17394 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
17395 before deleting it.
17397 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17399 * Makefile.in (insn-recog.o): Update dependencies.
17400 * genrecog.c (main): Make generated file include "function.h".
17402 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
17404 * cse.c (cse_insn): Call never_reached_warning when a jump is
17405 changed to be unconditional.
17406 * flags.h: Declare warn_notreached.
17407 * flow.c (delete_block): Call never_reached_warning when
17408 a block is deleted.
17409 * jump.c (delete_barrier_successors): Call never_reached_warning
17410 when we delete everything after a BARRIER.
17411 (never_reached_warning): New function.
17412 * rtl.h: Declare never_reached_warning.
17413 * toplev.c (warn_notreached): New variable.
17414 (lang_independent_options): Set warn_notreached
17415 when -Wunreachable-code.
17416 (compile_file): We need line numbers for -Wunreachable-code.
17418 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
17420 * haifa-sched.c (insn_unit): Fix typo on out of range test.
17421 * sched.c (insn_unit): Likewise.
17423 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
17425 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
17427 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17429 * flow.c (create_edge_list): Use xmalloc, not malloc.
17431 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
17433 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
17434 C-style comments. Do not lose the character before double slash.
17436 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17438 * basic-block.h (struct edge_list): Stucture to maintain a vector
17440 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
17441 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
17442 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
17443 New function prototypes.
17444 * flow.c (create_edge_list): Function to create an edge list.
17445 (free_edge_list): Discards memory used by an edge list.
17446 (print_edge_list): Debug output showing an edge list.
17447 (verify_edge_list): Internal consistency check for an edge list.
17448 (find_edge_index): Function to find an edge index for a pred and succ.
17450 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
17452 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
17455 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
17457 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
17459 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17461 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
17463 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
17465 * toplev.c (rest_of_compilation): Allow machine dependent
17466 reorganisation pass to place information into the RTL dump
17467 file if it so wishes.
17469 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
17471 * explow.c (hard_function_value): Use VOIDmode instead of
17473 * stmt.c (expand_return): Likewise.
17474 * stor-layout.c (get_best_mode): Likewise.
17476 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
17477 emit call instead of emit_insn call.
17479 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
17481 * configure.in: Handle --disable/enable-win32-registry.
17482 * install.texi: Document --disable/enable-win32-registry.
17483 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
17484 (WIN32_REGISTRY_KEY): New macro.
17485 * prefix.c: Use to enable/disable win32-specific code.
17486 (lookup_key): Use versioned key.
17487 * configure: Regenerate.
17488 * config.in: Likewise.
17490 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
17492 * cpplib.c (read_line_number): New fn, split out of...
17495 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
17497 tree.c (lang_unsave_expr_now) : New.
17498 (unsave_expr_now): Call lang_unsave_expr_now.
17499 tree.h (lang_unsave_expr_now) : New.
17501 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
17503 * toplev.c (flag_new_exceptions): On by default.
17505 1999-08-13 Michael Meissner <meissner@cygnus.com>
17507 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
17509 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17511 * dwarfout.c (fundamental_type_code): Return FT_boolean for
17512 INTEGER_TYPE with precision==1, it's __java_boolean.
17514 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17516 * global.c (prune_preferences): Move some invariants out of the
17519 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
17521 * configure.in (alpha*-dec-osf*): Add osf5.
17523 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
17525 * configure.in: Rework handling of ARM GNU/Linux slightly.
17526 (arm*-*-linux-gnuoldld): New target.
17527 * configure: Regenerate.
17528 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
17529 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
17530 * config/arm/linux-oldld.h: New file.
17531 * config/arm/linux-elf26.h: Don't include linux-elf.h.
17532 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
17534 * config/arm/linux-elf.h (ASM_SPEC): Define.
17535 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
17536 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
17537 for 26-bit APCS and old linker.
17538 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
17540 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
17541 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
17542 don't define `arm' or `arm_elf'.
17543 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
17544 MULTILIB_DIRNAMES): Define. Fix typo in comment.
17546 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
17548 * rtl.texi: Fix typo.
17550 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
17552 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
17554 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
17556 * extend.texi (C++ Signatures): Remove node.
17557 * invoke.texi: Remove discussion of -fhandle-signatures,
17558 signature, sigof, __signature__, and __sigof__.
17560 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
17562 * Makefile.in (JAVAGC): Removed.
17564 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
17566 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17568 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
17570 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
17572 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
17574 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
17575 a register that is already known to be a pointer.
17577 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
17579 * fixinc/inclhack.tpl: Only install assert.h conditionally.
17580 * fixinc/inclhack.sh: Regenerated.
17581 * fixinc/fixincl.sh: Regenerated.
17583 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
17585 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
17586 Fix documentation of -ansi flag to describe its C++ behavior.
17587 Remove bogus reference to GCC 2.9.
17589 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
17591 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
17592 note if it is non-NULL.
17594 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17596 * except.h (eh_nesting_info): Add new structure defintion.
17597 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
17598 (reachable_handlers, update_rethrow_references): Add function
17600 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
17601 a rethrow symbol instead of an integer exception region number.
17602 * flow.c (Make_edges): Use new exception nesting routines to determine
17603 which handlers are reachable from a CALL or asynchronous insn.
17604 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
17606 (delete_eh_regions): Update rethrow labels, and don't delete
17607 regions which are the target of a rethrow.
17608 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
17609 avoid overloading the SYMBOL_REF_USED flag.
17610 (rethrow_symbol_map): Use new rethrow_ref field.
17611 (rethrow_used): Use new rethrow_ref field.
17612 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
17613 of an integer. Fix formatting.
17614 (output_exception_table_entry): Use new rethrow_ref field.
17615 (can_throw): Check for EH_REGION_NOTE before deciding
17616 whether a CALL can throw or not.
17617 (scan_region): Call rethrow_used() instead of accessing data structure.
17618 (update_rethrow_references): New function to make sure only regions
17619 which are still targets of a rethrow are flagged as such.
17620 (process_nestinfo): New static function to initialize a handler
17621 list for a specific region.
17622 (init_eh_nesting_info): New function to allocate and initialize
17623 the list of all EH handlers reachable from all regions.
17624 (reachable_handlers): New function to retrieve the list of handlers
17625 reachable from a specific region and insn.
17626 (free_eh_nesting_info): New function to dispose of a list of
17627 reachable handlers.
17629 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
17631 * flow.c (split_edge): Set JUMP_LABEL field.
17632 (commit_one_edge_insertion): Set head correctly for insert_before.
17633 When inserting insns, update insn block numbers if allocated.
17635 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17637 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
17638 retry_incomplete_types): Add static prototype.
17639 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
17640 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
17641 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
17642 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
17643 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
17646 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
17647 dwarf2out_start_source_file, dwarf2out_line): Likewise.
17649 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17651 * output.h (assemble_name): Constify a char*.
17653 * varasm.c (UNIQUE_SECTION, assemble_start_function,
17654 assemble_variable, assemble_name): Likewise.
17656 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
17658 * arm/pe.c (arm_pe_unique_section): Likewise.
17660 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
17662 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
17664 * i386/interix.c (i386_pe_unique_section): Likewise.
17666 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
17668 * i386/winnt.c (i386_pe_unique_section): Likewise.
17670 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
17672 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
17674 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
17676 * pa/pa.c (output_call): Likewise.
17678 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
17680 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
17682 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
17685 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
17688 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
17690 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
17691 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
17693 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
17695 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17697 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
17699 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17701 * tree.h (lang_identify): Constify a char*.
17702 (print_error_function): Add extern prototype. Constify a char*.
17704 * c-lang.c (lang_identify): Constify a char*.
17706 * objc/objc-act.c (lang_identify): Constify a char*.
17708 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17710 * genpeep.c (main): Make generated file include "function.h".
17711 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
17713 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17715 * Makefile.in: Update dependencies.
17716 * alias.c: Include "function.h"
17717 * c-decl.c: Likewise.
17718 * caller-save.c: Likewise.
17719 * calls.c: Likewise.
17720 * combine.c: Likewise.
17722 * explow.c: Likewise.
17723 * final.c: Likewise.
17724 * global.c: Likewise.
17725 * graph.c: Likewise.
17726 * local-alloc.c: Likewise.
17727 * loop.c: Likewise.
17728 * optabs.c: Likewise.
17729 * profile.c: Likewise.
17730 * recog.c: Likewise.
17731 * regclass.c: Likewise.
17732 * regmove.c: Likewise.
17733 * reload.c: Likewise.
17734 * reorg.c: Likewise.
17735 * resource.c: Likewise.
17736 * sched.c: Likewise.
17737 * stupid.c: Likewise.
17738 * config/1750a/1750a.c: Likewise.
17739 * config/a29k/a29k.c: Likewise.
17740 * config/arc/arc.c: Likewise.
17741 * config/arm/arm.c: Likewise.
17742 * config/arm/thumb.c: Likewise.
17743 * config/c4x/c4x.c: Likewise.
17744 * config/clipper/clipper.c: Likewise.
17745 * config/convex/convex.c: Likewise.
17746 * config/fx80/fx80.c: Likewise.
17747 * config/i860/i860.c: Likewise.
17748 * config/m68k/m68k.c: Likewise.
17749 * config/m88k/m88k.c: Likewise.
17750 * config/mips/mips.c: Likewise.
17751 * config/pdp11/pdp11.c: Likewise.
17752 * config/pyr/pyr.c: Likewise.
17753 * config/romp/romp.c: Likewise.
17754 * config/sh/sh.c: Likewise.
17755 * config/tahoe/tahoe.c: Likewise.
17756 * config/vax/vax.c: Likewise.
17757 * config/we32k/we32k.c: Likewise.
17758 * config/sparc/sparc.c: Include "function.h".
17759 (mem_min_alignment): Test current_function rather than
17760 regno_pointer_align.
17761 * config/pa/pa.c: Likewise.
17762 (compute_frame_size): Delete declaration of
17763 current_function_outgoing_args_size.
17764 * config/arc/arc.h (current_function_varargs): Delete declaration.
17765 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
17767 * config/i370/i370.h (current_function_outgoing_args_size): Delete
17769 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
17770 current_function_uses_pic_offset_table.
17771 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
17772 of current_function_returns_pointer.
17773 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17774 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17775 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17776 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17777 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17778 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
17779 * config/m88k/m88k.c: Include "function.h"
17780 (call_used_regs, current_function_pretend_args_size,
17781 current_function_outgoing_args_size, frame_pointer_needed): Delete
17783 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
17785 * config/mips/mips.h (current_function_calls_alloca): Delete
17787 * config/mn10200/mn10200.h (current_function_needs_context,
17788 rtx_equal_function_value_matters): Delete declarations.
17789 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
17790 flag_pic): Delete declarations.
17791 * config/pa/pa.h (current_function_pretend_args_size,
17792 current_function_decl): Delete declarations.
17793 * config/pa/som.h (current_function_varargs): Delete declaration.
17794 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
17796 * config/pyr/pyr.h (current_function_pretend_args_size,
17797 current_function_args_size, current_function_calls_alloca): Delete
17799 * config/sh/sh.h (current_function_varargs): Delete declaration.
17800 * config/sparc/sparc.h (current_function_outgoing_args_size,
17801 current_function_calls_alloca, current_function_decl): Delete
17803 * config/spur/spur.h (current_function_pretend_args_size,
17804 current_function_calls_alloca): Delete declarations.
17805 * config/v850/v850.c (current_function_outgoing_args_size): Delete
17807 * config/vax/vms.h (current_function_name): Delete declaration.
17808 * gcse.c: Include "function.h".
17809 (current_function_name, current_function_calls_setjmp): Delete
17811 * haifa-sched.c: Include "function.h".
17812 (forced_labels): Delete declaration.
17813 * jump.c: Likewise.
17814 * reg-stack.c: Likewise.
17815 * reload1.c: Likewise.
17816 * genemit.c (main): Make generated file include function.h.
17817 * genoutput.c (output_prologue): Likewise.
17819 * builtins.c (saveregs_value, apply_args_value): Delete variables.
17820 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
17821 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
17822 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
17823 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
17824 macros for some of them.
17825 (emit_filename, emit_lineno): Delete declarations.
17826 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
17827 regno_pointer_* variables through current_function.
17828 (gen_inline_header_rtx): Delete function.
17829 (save_emit_status): Delete function.
17830 (set_new_last_label_num): New function.
17831 (clear_emit_caches): New function.
17832 (restore_emit_status): Just clear last_labelnum and call
17834 (get_last_insn_anywhere): Variable sequence_stack is now accessed
17835 through macro seq_stack.
17836 (add_insn_after): Likewise.
17837 (add_insn_before): Likewise.
17838 (remove_insn): Likewise.
17839 (pop_topmost_sequence): Likewise.
17840 (in_sequence_p): Likewise.
17841 (start_sequence_for_rtl_expr): Likewise.
17842 (start_sequence): Likewise, and likewise for
17843 sequence_rtl_expr/seq_rtl_expr.
17844 (push_topmost_sequence): Likewise.
17845 (end_sequence): Likewise.
17846 (init_virtual_regs): Now takes a "struct emit_status *" argument.
17847 All callers changed. Store into that pointer instead of globals.
17848 (init_emit): Allocate emit elt of current_function.
17849 Changes for sequence_rtl_expr/sequence_stack renaming.
17850 Call clear_emit_caches instead of doing it in-line.
17851 Access regno_pointer_* variables through current_function.
17852 (init_emit_once) Don't clear sequence_stack.
17854 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
17856 (arg_pointer_save_area): Delete declaration.
17857 (finish_expr_for_function): Renamed from init_queue; no longer static.
17858 (init_expr): Don't call init_queue.
17859 (save_expr_status, restore_expr_status): Delete functions.
17860 (expand_expr): Changes to reflect new layout of struct function.
17861 Don't access current_function_check_memory_usage when current_function
17863 * expr.h (forced_labels, save_expr_regs, saveregs_value,
17864 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
17865 current_function_outgoing_args_size, current_function_arg_offset_rtx,
17866 current_function_uses_const_pool, function_call_count,
17867 current_function_uses_pic_offset_table, nonlocal_labels,
17868 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
17869 current_function_check_memory_usage, nonlocal_goto_handler_slots,
17870 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
17872 (finish_expr_for_function): Declare.
17873 * flags.h (current_function_has_nonlocal_label,
17874 current_function_has_nonlocal_goto, current_function_is_thunk,
17875 current_function_has_computed_jump): Delete declarations.
17876 * flow.c (forced_labels): Delete declaration.
17877 * function.c (current_function_pops_args,
17878 current_function_returns_struct, current_function_returns_pcc_struct,
17879 current_function_needs_context, current_function_calls_setjmp,
17880 current_function_calls_longjmp, current_function_has_nonlocal_label,
17881 current_function_has_nonlocal_goto, current_function_is_thunk,
17882 current_function_has_computed_jump, current_function_calls_alloca,
17883 current_function_contains_functions, current_function_returns_pointer,
17884 current_function_epilogue_delay_list, current_function_args_size,
17885 current_function_pretend_args_size, current_function_arg_offset_rtx,
17886 current_function_outgoing_args_size, current_function_varargs,
17887 current_function_stdarg, current_function_args_info, cleanup_label,
17888 current_function_name, current_function_uses_const_pool,
17889 current_function_instrument_entry_exit, current_function_return_rtx,
17890 current_function_uses_pic_offset_table, nonlocal_labels,
17891 current_function_internal_arg_pointer, current_function_cannot_inline,
17892 current_function_check_memory_usage, function_call_count,
17893 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
17894 nonlocal_goto_stack_level, return_label, save_expr_regs,
17895 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
17896 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
17897 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
17898 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
17899 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
17901 (push_function_context_to): Don't save them. Don't call
17902 save_storage_status, save_emit_status or save_expr_status.
17903 (pop_function_context_from): Don't restore them. Don't call
17904 restore_storage_status or restore_expr_status.
17905 (get_func_frame_size): New function.
17906 (get_frame_size): Use it.
17907 (assign_outer_stack_local): Reflect some member name changes in struct
17909 (put_reg_into_stack): Likewise.
17910 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
17912 (fixup_var_refs): Likewise.
17913 (fix_lexical_addr): Likewise.
17914 (trampoline_address): Likewise.
17915 (prepare_function_start): Clear field inlinable of current_function.
17916 (init_function_for_compilation): New function.
17917 (expand_dummy_function_end): New function.
17918 (expand_function_end): Call finish_expr_for_function.
17919 * function.h (struct emit_status): New; fields moved here from struct
17920 function and from global variables. Add accessor macros for some of
17922 (struct expr_status): Likewise.
17923 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
17924 (struct function): Add fields expr and emit, inlinable, inl_emit,
17925 original_arg_vector, original_decl_initial, inl_last_parm_insn,
17926 inl_max_label_num. Add many comments.
17927 Add accessor macros for all elts of struct function that no longer
17928 have a global variable.
17929 (cleanup_label, return_label, frame_offset, tail_recursion_label,
17930 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
17931 stack_slot_list): Delete declarations.
17932 (get_func_frame_size): Declare.
17933 (save_expr_status, restore_expr_status, save_emit_status,
17934 save_storage_status, restore_storage_status): Delete declarations.
17935 (init_virtual_regs): Declare.
17936 * output.h (current_function_pops_args,
17937 current_function_returns_struct, current_function_returns_pcc_struct,
17938 current_function_needs_context, current_function_calls_setjmp,
17939 current_function_calls_longjmp, current_function_calls_alloca,
17940 current_function_has_nonlocal_label, current_function_varargs,
17941 current_function_has_computed_jump, current_function_returns_pointer,
17942 current_function_contains_functions, current_function_args_size,
17943 current_function_pretend_args_size, current_function_stdarg,
17944 current_function_outgoing_args_size, current_function_args_info,
17945 current_function_name, current_function_return_rtx,
17946 current_function_epilogue_delay_list,
17947 current_function_uses_const_pool, current_function_cannot_inline):
17948 Delete declarations.
17949 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
17950 regno_reg_rtx): Delete declaration.
17951 (REGNO_POINTER_FLAG): Delete macro.
17952 * stmt.c (expand_goto): Changes to reflect that some fields in struct
17953 function were renamed.
17954 * stor-layout.c (save_storage_status, restore_storage_status): Delete
17956 * toplev.c: Include "function.h".
17957 (current_function_decl): Delete declaration.
17958 (compile_file): Call init_dummy_function_start and
17959 expand_dummy_function_end around some initializations that need to
17961 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
17962 Call init_function_for_compilation.
17963 * unroll.c: Include "function.h"
17964 (unroll_loop): Access regno_pointer_* variables through
17967 * tree.h (struct tree_decl): Add elt f to saved_insns member.
17968 (DECL_SAVED_INSNS): use it.
17969 (expand_dummy_function_end): Declare.
17970 (init_function_for_compilation): Declare.
17971 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
17972 that it's no longer an INLINE_HEADER.
17973 (expand_call): Likewise.
17974 * integrate.c (finish_inline): Delete function.
17975 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
17976 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
17977 args. Don't generate an INLINE_HEADER rtx, just return the arg
17978 vector. All callers changed.
17979 (save_for_inline_copying): Create a duplicate struct emit_status to
17980 hold the emit state for compiling the current function. Use this and
17981 the other new fields in struct function that are for integration
17982 instead of an INLINE_HEADER.
17983 Use memcpy instead of bcopy.
17984 Store the current struct function in DECL_SAVED_INSNS of fndecl.
17985 (save_for_inline_nocopy): Similar changes, except no new emit_status
17987 (expand_inline_function): Get information from function structure,
17988 not from an inline header rtx.
17989 (output_inline_function): Lose code to extract the necessary
17990 information from an inline header; simply put back the function
17991 structure into current_function. Clear its inlinable elt.
17992 * rtl.def (INLINE_HEADER): Delete.
17993 * rtl.h: Delete all accessors for an INLINE_HEADER.
17994 (gen_inline_header_rtx): Delete declaration.
17995 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
17996 Delete declarations.
17997 (REGNO_POINTER_ALIGN): Delete.
17998 (clear_emit_caches): Declare.
17999 (set_new_last_label_num): Declare.
18001 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
18003 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
18005 * except.c (expand_eh_region_start_for_decl): Always start a new block.
18006 * stmt.c (is_eh_region): Make sure current_function is present, too.
18008 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
18010 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
18011 for 64bit PA targets.
18013 * pa.h (SELECT_SECTION): Define.
18014 * som.h (SELECT_SECTION): Delete.
18016 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18018 * alias.c (init_alias_analysis): Wrap call to
18019 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
18021 1999-08-07 Bruce Korb <autogen@linuxbox.com>
18023 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
18024 <sys/asm.h> contains an asm comment with an apostrophe
18025 * fixinc/inclhack.sh: regen
18026 * fixinc/fixincl.x: regen
18028 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
18030 * function.c (init_function_start): Clear prologue & epilogue.
18031 (prologue_epilogue_contains): New function.
18032 * alias.c (init_alias_analysis): Use it.
18033 * rtl.h (prologue_epilogue_contains): Declare it.
18035 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
18037 * jump.c (onlyjump_p): New function.
18038 * rtl.h: Declare it.
18039 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
18040 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
18042 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
18044 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
18045 to invert loops. Simplify block scanning.
18047 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18049 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
18050 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
18052 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
18054 * config/sparc/liteelf.h: New file to support sparclite-elf target
18055 * config/sparc/t-sp86x: New file to support sparc86x targets
18056 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
18057 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
18058 * configure.in: Support above target triplets
18059 * configure: Regenerated
18061 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
18063 * fixinc/server.c (server_setup): Do not prefix function used as
18064 parameter with `&'.
18066 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
18068 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
18069 Remove fp reg alternatives.
18071 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
18073 * Makefile.in (TAROUTOPTS): Kill.
18074 (install-headers-tar): Use "xpf" for tar headerfile extraction
18075 * i370/x-oe (TAROUTOPTS): Delete.
18076 * m68k/x-apollo68 (TAROUTOPTS): Delete.
18077 * m68k/x-hp320 (TAROUTOPTS): Delete.
18078 * m68k/x-hp320g (TAROUTOPTS): Delete.
18079 * gcc.texi: Update bug reporting text.
18081 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
18083 * reg-stack.c (change_stack) Fixed problem with negative array index.
18085 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
18087 * extend.texi, install.texi: Fix spelling mistakes.
18089 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
18090 (s-attrtab); No longer try to use pre-made insn-attrtab file.
18091 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
18092 PREMADE_ATTRTAB_MD.
18093 * mips/t-ecoff: Likewise.
18094 * mips/t-elf: Likewise.
18095 * mips/t-mips: Likewise.
18096 * mips/t-osfrose: Likewise.
18097 * mips/t-r3900: Likewise.
18098 * mips/t-svr3: Likewise.
18099 * mips/t-svr4: Likewise.
18100 * mips/t-ultrix: Likewise.
18102 * gcc.texi: Document recommend means to provide software floating
18103 point libraries in libgcc.a
18105 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
18107 * c-lex.c (yylex): We can have a number with no digits.
18109 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
18111 * jump.c (delete_prior_computation): New function, broken
18112 out of delete_computation. Check for side effects with
18113 side_effects_p instead of FIND_REG_INC_NOTE. Handle
18114 multi-word hard registers.
18115 (delete_computation): Use it. Check for side effects with
18116 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
18117 missing REG_DEAD note for a register which is both set and
18120 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
18122 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
18123 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
18124 (ASM_FILE_START): Import _mcount with the right type.
18125 (ASM_DECLARE_FUNCTION_NAME): Define.
18126 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
18127 * pa.c (output_function_prologue): Always emit the function's label
18129 * pa.h (TEXT_SPACE_P): Define.
18130 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
18131 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
18132 * som.h (TEXT_SPACE_P): Delete.
18133 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
18134 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
18136 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
18138 * expr.c (emit_group_load): Allow src to be a CONCAT.
18140 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18142 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
18143 (___mulsi3): Use '!' comment character.
18145 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18147 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
18149 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
18151 * gcc.c: Update URLs and mail addresses.
18152 * gcc.texi: Likewise.
18154 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
18156 * rs6000.c (current_file_function_operand): Return zero for
18158 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
18160 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
18163 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
18165 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
18166 allocate space in the stack frame for the PIC register.
18168 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
18170 * m68k.md (xordi3, anddi3): These patterns are not available on
18173 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
18175 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
18176 (PUT_REAL): Likewise.
18178 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18180 * final.c (shorten_branches): Don't add an alignment for loops
18181 that have no label inside.
18183 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18185 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
18186 prototypes in macro HAVE_cmpstrsi.
18188 * cpplib.c (cpp_get_token): Remove unused label `op3'.
18190 * emit-rtl.c (operand_subword): Remove unused variable
18193 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
18195 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
18197 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
18199 * cpphash.c (macroexpand): Delete leading whitespace when arg
18200 is concatenated before.
18201 (unsafe_chars): Correct test for whether + and - can extend a
18204 * cppinit.c (cpp_start_read): Do dependencies for
18205 -include/-imacros files also.
18207 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
18208 tokenizing non-directive lines.
18209 (cpp_expand_to_buffer): Temporarily disable no-output mode.
18210 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
18213 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
18215 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
18217 * c-lex.c: Sync with C++ frontend.
18218 (linemode): New variable.
18219 (parse_float): imag, conversion_errno, and type are output only.
18220 (yylex): Adjust. Move initial '.' case into main switch.
18222 (handle_generic_pragma): Just deal with tokens.
18223 (readescape): Use ISXDIGIT and ISGRAPH.
18224 * c-parse.in: Add END_OF_LINE token.
18226 * c-lex.c (lang_init): Generalize.
18227 (nextchar): Remove. Replace uses with UNGETC.
18228 (skip_white_space): Handle linemode here. Optimize for cpplib.
18229 (skip_white_space_on_line): Remove.
18230 (extend_token_buffer_to): New fn.
18231 (extend_token_buffer): Use it.
18232 (read_line_number, check_newline): Just deal with tokens.
18233 (token_getch, token_put_back): New fns.
18234 (yylex): Use them. More cpplib optimizations. Simplify.
18236 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
18237 Jason Merrill <jason@yorick.cygnus.com>
18239 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
18240 (consume_string): Make this smart about USE_CPPLIB.
18241 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
18242 (yylex): Rewrite to be intelligent about USE_CPPLIB.
18243 Also, clean up cases where we redundantly set token_buffer[0].
18244 (read_line_number): New fn.
18245 (ignore_escape_flag): New variable.
18247 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
18249 * a29k/t-a29kbare: Fix some comments.
18250 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
18251 (FPBIT, DPBIT): Define.
18252 * a29k/t-vx29k: Likewise.
18253 * arc/t-arc: Likewise.
18254 * arm/t-arm-elf: Likewise.
18255 * arm/t-bare: Likewise.
18256 * arm/t-pe: Likewise.
18257 * arm/t-pe-thumb: Likewise.
18258 * arm/t-semi: Likewise.
18259 * arm/t-thumb: Likewise.
18260 * arm/t-thumb-elf: Likewise.
18261 * arm/t-thumb-linux: Likewise.
18262 * h8300/t-h8300: Likewise.
18263 * i960/t-i960: Likewise.
18264 * i960/t-vxworks960: Likewise.
18265 * m32r/t-m32r: Likewise.
18266 * mips/t-ecoff: Likewise.
18267 * mips/t-elf: Likewise.
18268 * mips/t-r3900: Likewise.
18269 * pa/t-pro: Likewise.
18270 * rs6000/t-aix43: Likewise.
18271 * rs6000/t-beos: Likewise.
18272 * rs6000/t-newas: Likewise.
18273 * rs6000/t-ppccomm: Likewise.
18274 * rs6000/t-rs6000: Likewise.
18275 * rs6000/t-winnt: Likewise.
18276 * rs6000/t-xnewas: Likewise.
18277 * rs6000/t-xrs6000: Likewise.
18278 * sh/t-sh: Likewise.
18279 * sparc/t-elf: Likewise.
18280 * sparc/t-sparcbare: Likewise.
18281 * sparc/t-sparclite: Likewise.
18282 * sparc/t-splet: Likewise.
18283 * v850/t-v850: Likewise.
18284 * mn10200/t-mn10200: Fix comments.
18285 * mn10300/t-mn10300: Likewise.
18287 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
18288 dummy operand. Allocate a new pseudo for the dummy operand.
18289 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
18291 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
18293 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
18295 * configure: Rebuilt.
18296 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
18298 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
18300 * recog.c (preproces_constraints): Zero recog_op_alt before
18301 processing the constraints.
18303 * arm.c (typedef minipool_node): Renamed from pool_node.
18304 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
18305 (add_minipool_constant): New function.
18306 (dump_minipool): New function.
18307 (find_barrier): Remove special case for getting the insn size of
18308 an insn that references the constant pool.
18309 (minipool_fixup): New structure.
18310 (push_minipool_barrier): New function.
18311 (push_minipool_fix): New function.
18312 (note_invalid_constants): New function.
18313 (add_pool_constant, dump_table, fixit, broken_move): Delete.
18314 (arm_reorg): Rewrite code to fix up the constant pool into a
18315 series of mini-pools embedded in the insn stream.
18316 (arm_output_epilogue): New function, made mainly from the body
18317 of output_func_epilogue.
18318 (output_func_epilogue): Move insn generation part of epilogue code
18319 to arm_output_epilogue.
18320 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
18321 * arm.md (pool_range): New attribute.
18322 (zero_extendqidi2): Add attribute pool_range.
18323 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
18324 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
18325 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
18326 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
18327 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
18328 (epilogue): New expand.
18329 (epilogue_insn): New insn. Call arm_output_epilogue.
18331 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
18332 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
18334 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
18336 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
18338 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
18340 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
18342 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
18344 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
18346 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
18348 * global.c: Fix comment.
18350 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
18352 * gcc.c (access_check): New static function.
18353 (find_a_file): Use it when searching a directory list.
18354 * collect2.c (find_a_file): Don't accept directories found when
18355 searching a directory list.
18357 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
18359 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
18360 function parameters with `&'.
18361 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
18363 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
18365 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
18366 or tidy_fallthru_edge if the last insn in the block is not
18367 an unconditional jump or a simple conditional jump.
18369 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18371 * Makefile.in (c-decl.o): Depends on defaults.h.
18373 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
18375 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
18377 (CLASS_MAX_NREGS): Likewise.
18379 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
18381 * cse.c (cse_insn): Fix dumb thinko in last change.
18383 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18385 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
18388 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
18390 * dwarf2out.c (add_location_or_const_value_attribute): Correct
18391 test for sizes of passed and declared parameter types.
18393 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18395 * fixincludes: Fix the return type of bsearch, char* -> void*.
18397 * fixinc/inclhack.def: Likewise.
18399 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
18401 * invoke.texi (-fdump-translation-unit): New option.
18403 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
18405 * expr.h (PROMOTE_PROTOTYPES): Move ...
18406 * defaults.h: ... to here.
18407 * c-decl.c: Include defaults.h instead of expr.h.
18408 * c-typeck.c: Include defaults.h.
18410 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
18412 * toplev.h (errorcount): Declare.
18413 (warningcount): Likewise.
18414 (sorrycount): Likewise.
18415 * c-lex.c (errorcount): Don't declare.
18416 * dwarf2out.c (errorcount): Don't declare.
18418 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
18420 * config/libgloss.h: Add a note discouraging use with ELF.
18421 * configure.in: Don't use libgloss.h for ELF targets.
18422 Always use_collect2 on a.out targets.
18424 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
18426 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
18427 (force_to_mode, case ASHIFTRT): Add shiftrt label.
18429 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18431 * loop.c (strength_reduce): When doing biv->giv conversion, update
18432 reg note of NEXT->insn.
18434 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18436 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
18438 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18440 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
18441 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
18442 Ensure expr.h is included.
18443 * c-typecheck.c (convert_arguments): Ditto.
18445 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
18447 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
18448 * config/convex/convex.h: Ditto.
18449 * config/dsp16xx/dsp16xx.h: Ditto.
18450 * config/fx80/fx80.h: Ditto.
18451 * config/gmicro/gmicro.h: Ditto.
18452 * config/i370/i370.h: Ditto.
18453 * config/i386/i386.h: Ditto.
18454 * config/m32r/m32r.h: Ditto.
18455 * config/m68k/m68k.h: Ditto.
18456 * config/m88k/m88k.h: Ditto.
18457 * config/mips/mips.h: Ditto.
18458 * config/pa/pa.h: Ditto.
18459 * config/pyr/pyr.h: Ditto.
18460 * config/tahoe/tahoe.h: Ditto.
18461 * config/we32k/we32k.h: Ditto.
18463 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
18464 based on arch size.
18466 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
18468 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
18471 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
18473 1999-08-02 Richard Henderson <rth@cygnus.com>
18475 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
18476 for the register spill block.
18477 (m32r_va_arg): New.
18478 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
18479 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
18481 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
18482 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
18483 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
18485 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18487 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
18488 MAX_WCHAR_TYPE defined in sparc.h.
18489 * config/sparc/linuxaout.h: Likewise.
18490 * config/sparc/linux64.h: Likewise.
18491 Also default to -mvis if CPU is UltraSPARC.
18493 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18495 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
18496 (RTX_OK_FOR_OLO10): Likewise.
18497 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
18498 %lo(), allow it in addresses...
18499 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
18500 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
18501 does not make sense.
18502 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
18503 (sparc_output_scratch_registers): New function.
18504 (output_function_prologue, sparc_flat_output_function_prologue): Use
18506 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
18508 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
18509 * configure.in: Add check for .register pseudo-op support in as and
18510 check for offsetable %lo().
18511 * acconfig.h: Add templates for the above checks.
18512 * configure: Regenerate.
18514 1999-08-02 Richard Henderson <rth@cygnus.com>
18516 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
18517 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
18518 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
18520 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18522 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
18525 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
18527 * config/float-sparc.h: New file.
18528 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
18529 sparc-*-linux-gnu and sparc64-*-linux*.
18531 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18533 * rs6000.c (rs6000_va_list): Type is an array.
18534 (rs6000_va_start): Don't doubly adjust for varargs.
18535 (rs6000_va_arg): Evaluate long long GPR adjustment.
18537 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
18539 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
18540 -maix64 and -maix32.
18541 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
18542 LINK_SPEC): Change appropriately.
18543 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
18544 (u_short_cint_operand): Likewise.
18545 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
18547 * rs6000/t-aix43 (MULTILIB): Change to -m64.
18549 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
18551 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
18553 * rs6000/rs6000.c (num_insns_constant_wide): Correct
18554 for type promotion.
18555 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
18556 (non_add_cint_operand): Likewise.
18557 (logical_operand): Likewise.
18558 (non_logical_cint_operand): Likewise.
18559 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
18560 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
18561 (rs6000_select_rtx_section): Suppress warning.
18562 (small_data_operand): Suppress warning.
18563 (rs6000_got_register): Suppress warning.
18564 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
18565 type, so `J' is generally the wrong constraint for a SImode value;
18567 (andsi3_internal2): Likewise.
18568 (andsi3_internal3): Likewise.
18569 (iorsi3_internal1): Likewise.
18570 (xorsi3_internal1): Likewise.
18572 (movsf_softfloat): Likewise.
18573 (scc insns): Likewise.
18574 (movsi+2): Preserve sign bits of SImode constant.
18575 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
18576 (movdf+1): Sign-extend properly.
18577 (movdi_32+1): Sign-extend properly.
18578 (scc insns): Sign-extend properly.
18580 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
18583 1999-08-02 Richard Henderson <rth@cygnus.com>
18585 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
18586 -mcpu parsing code.
18587 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
18588 * alpha.md (all fp insns): Likewise.
18590 1999-08-02 Nick Clifton <nickc@cygnus.com>
18592 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
18595 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
18597 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
18598 pic_load_label generator directly.
18599 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
18600 No longer a named pattern.
18602 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
18604 * explow.c (force_reg): Call force_operand if X does not
18605 satisfy general_operand.
18607 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
18609 * fix-header.c (main): When testing for CONTINUED, use string
18610 equality, not pointer equality.
18612 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
18614 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
18616 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
18618 * cse.c (cse_insn): Fix loop which deletes insns after a jump
18619 that has become an unconditional jump.
18621 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
18622 (output_function_epilogue): Similarly.
18624 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18626 * tree.h (init_dummy_function_start): Declare.
18628 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18630 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
18631 last_expr_type, last_expr_value, block_start_count, block_stack,
18632 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
18633 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
18634 dynamically in stmt elt of struct function for each function.
18635 (struct nesting): Rename function_call_count elt to n_function_calls,
18636 target_temp_slot_level to block_target_temp_slot_level. All users
18638 (struct stmt_status): New structure definition.
18639 Add many accessor macros for stmt_status elements which previously
18640 were global variables.
18641 (init_stmt_for_function): Allocate stmt elt for current_function.
18642 Reflect that block_start_count was renamed to
18643 current_block_start_count.
18644 (save_stmt_status, restore_stmt_status): Delete functions.
18645 (preserve_subexpressions_p): Don't access loop_stack when outside
18647 (expand_start_bindings): Reflect that block_start_count was renamed to
18648 current_block_start_count.
18649 (expand_fixup): Likewise.
18650 (expand_decl): Don't access block_stack when outside a function.
18651 (expand_decl_cleanup): Likewise.
18652 (expand_dcc_cleanup): Likewise.
18653 (expand_dhc_cleanup): Likewise.
18654 (expand_anon_union_decl): Likewise.
18655 (set_file_and_line_for_stmt): New function.
18656 (in_control_zone_p): New function.
18658 * function.h (struct function): Add new elt stmt.
18659 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
18660 case_stack, nesting_stack, nesting_depth, block_start_count,
18661 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
18662 emit_lineno, goto_fixup_chain.
18663 (save_eh_status, restore_eh_status, save_stmt_status,
18664 restore_stmt_status): Delete declarations.
18665 * function.c (push_function_context_to): Don't call save_stmt_status.
18666 (pop_function_context_to): Don't call restore_stmt_status.
18667 * tree.h (in_control_zone_p): Declare.
18668 * rtl.h (set_file_and_line_for_stmt): Declare.
18670 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
18671 call set_file_and_line_for_stmt.
18673 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
18675 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
18676 Also update copyright.
18678 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18680 * c-pragma.c: Don't include "except.h".
18681 * emit-rtl.c: Likewise.
18682 * stor-layout.c: Likewise.
18683 * tree.c: Likewise.
18684 * varasm.c: Likewise.
18686 * flow.c: Include "function.h".
18687 * tree.h (init_dummy_function_start): Declare new function.
18689 * except.h (struct eh_status): New structure.
18690 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
18692 (eh_return_stub_label, ehstack, catchstack, ehqueue,
18693 catch_clauses, false_label_stack, caught_return_label_stack,
18694 protect_list, current_function_ehc): Add accessor macros for the
18695 corresponding fields in current_function->eh; delete declarations
18696 for all items that used to be declared here.
18697 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
18698 catch_clauses, false_label_stack, caught_return_label_stack,
18699 protect_list, current_function_ehc): Delete variables.
18700 (init_eh_for_function): Allocate current_function->eh.
18701 (save_eh_status, restore_eh_status): Delete functions.
18703 * function.h (struct function): Add fields next_global and eh.
18704 Delete all exception handling related fields.
18705 * function.c (current_function): New variable.
18706 (all_functions): New variable.
18707 (push_function_context_to): Don't allocate a struct function,
18708 use current_function instead. Call init_dummy_function_start when
18709 outside a function. Clear current_function before returning.
18710 (pop_function_context_from): Restore current_function.
18711 Don't free the restored struct function.
18712 (prepare_function_start): New function.
18713 (init_dummy_function_start): New function.
18714 (init_function_start): Break out some code into prepare_function_start
18717 * stmt.c (save_stmt_status): Don't call save_eh_status.
18718 (restore_stmt_status): Don't call restore_eh_status.
18720 * Makefile.in: Update dependencies.
18722 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
18724 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
18725 of depending on a magic constant value. Update comments.
18726 (hppa_expand_prologue): Similarly.
18728 * pa.md (reload_indi, reload_outdi): Allow any register for the
18729 original reload register.
18731 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
18733 * cccp.c (print_help): Change marcos to macros.
18735 1999-07-30 Richard Henderson <rth@cygnus.com>
18737 * c-typeck.c (initializer_constant_valid_p): Move ...
18738 * c-common.c (initializer_constant_valid_p): ... here. Use
18739 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
18740 of label addresses.
18741 * c-common.h (initializer_constant_valid_p): Declare.
18742 * c-tree.h (initializer_constant_valid_p): Remove.
18744 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
18746 * config/i386/sol2-c1.asm: Align the stack.
18747 * config/i386/sol2-gc1.asm: Likewise.
18749 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
18751 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
18752 -Asparclite for sparc86x.
18753 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
18755 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
18757 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
18759 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
18760 the user if using the non-default arch size in BI_ARCH configuration.
18761 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
18763 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
18764 Fix patterns so that they actually match.
18765 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
18766 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
18767 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
18769 (mulsidi3): Reflect this in the expand.
18770 (smulsi3_highpart): Only on TARGET_ARCH32.
18771 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
18772 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
18773 (umulsidi3): Reflect this in the expand.
18774 (umulsi3_highpart): Only on TARGET_ARCH32.
18775 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
18776 don't require g0 to be zero.
18777 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
18778 ({,u}divsi3): New expands.
18779 ({,u}divsi3_sp64): New patterns.
18780 (after lshrdi3_v8plus): Four new patterns to help combiner
18781 optimizing nested mixed mode shifts.
18783 * config/sparc/sparc.c (sparc_override_options): Use deprecated
18784 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
18785 speed things up. Don't use them by default on plain v9 in 64bit
18786 mode, according to what SPAMv9 sais.
18788 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
18789 top 32 bits of %[og][0-7] in signal handlers.
18790 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
18792 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
18794 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
18795 (ashlsi3): Corresponding changes.
18797 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
18799 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
18801 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
18803 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18805 * arm.h (Hint): Delete macro.
18806 Substitute HOST_WIDE_INT for Hint in some prototypes.
18807 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
18809 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
18811 * builtins.c (expand_builtin_setjmp): Use force_operand to
18812 make sure that the buffer address is in a suitable form to be
18813 passed to force_reg.
18815 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
18817 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
18820 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
18822 * pa.md (indirect_jump): Remove mode from match_operand. Verify
18823 proper mode in the condition string.
18824 (icacheflush, dcacheflush): Remove modes from match_operands.
18826 * pa.c (emit_move_sequence): Always convert scratch_reg to the
18827 proper mode before using it.
18829 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
18832 * pa.c (store_reg): Do not call add_high_const generator directly.
18833 (load_reg, set_reg_plus_d): Likewise.
18834 * pa.md (add_high_const): No longer a named pattern.
18836 * pa.c (legitimize_address): Consistently use Pmode rather than
18837 SImode. Do not call gen_pic2_highpart directly anymore.
18838 * pa.md (pic2_highpart): No longer a named pattern.
18839 (pic2_lo_sum): Similarly. Reformat to make more readable.
18841 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
18846 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18848 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
18850 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
18852 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
18853 and tag the spill mems.
18854 (hppa_va_start): New.
18855 (hppa_va_arg): New.
18856 * pa.h (EXPAND_BUILTIN_VA_START): New.
18857 (EXPAND_BUILTIN_VA_ARG): New.
18859 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
18861 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
18862 and tag the spill mems.
18863 (mn10300_va_start): New.
18864 (mn10300_va_arg): New.
18865 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
18866 (EXPAND_BUILTIN_VA_ARG): New.
18868 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
18870 * mn10200.c (mn10200_va_arg): New.
18871 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
18873 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
18875 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
18876 rather than play with TREE_INT_CST_LOW.
18878 1999-07-27 Philip Blundell <pb@nexus.co.uk>
18880 * config/arm/telf.h: Include dbxelf.h.
18881 (CPP_PREDEFINES): Only define if not already defined.
18882 (ASM_IDENTIFY_GCC): Likewise.
18883 (SUBTARGET_EXTRA_SECTIONS): Likewise.
18884 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
18885 * config/arm/thumb.h (LINK_SPEC): Only define if not already
18887 (DBX_DEBUGGING_INFO): Don't define.
18888 * config/arm/linux-telf.h: New file.
18889 * config/arm/linux-tgas.h: New file.
18890 * config/arm/t-thumb-linux: New file.
18891 * config/arm/uclinux-elf.h: New file.
18892 * config/arm/uclinux-telf.h: New file.
18893 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
18894 thumb-*-uclinux): New targets.
18895 * configure: Regenerate.
18897 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
18899 * pa.md (post_store, pre_load): New expanders.
18900 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
18901 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
18902 need to directly generate RTL for them.
18903 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
18906 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
18908 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
18909 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
18910 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
18911 (secndary_reload_class): Make TARGET_ELF conditional compile.
18912 (print_operand_address): Similar.
18913 (output_toc): Print all values as hex.
18914 (get_issue_rate): Rearrange and add RS64A and PPC630.
18915 * rs6000.h (processor_type): Add RS64A and PPC630.
18916 (PROCESSOR_POWERPC64): New.
18917 (PROMOTE_MODE): Use word_mode.
18918 (RTX_COSTS): Add RS64A and PPC630.
18919 * rs6000.md (scheduling information): Add lmul and ldiv
18920 representing 64-bit integer multiply and divide. Add rs64a and
18921 PPC630 information.
18922 (ashldi3): Add support for "rldic" instruction.
18923 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
18925 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
18927 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
18928 instead of V8 for sparclite86x in cpu_table.
18930 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18932 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
18933 output_file_directive.
18935 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
18937 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
18938 tree for op1, not the rtl.
18940 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
18942 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
18943 to m88k_va_start, leaving only the register spill.
18944 (m88k_build_va_list): New.
18945 (m88k_va_start): New.
18946 (m88k_va_arg): New.
18947 * m88k.h (BUILD_VA_LIST_TYPE): New.
18948 (EXPAND_BUILTIN_VA_START): New.
18949 (EXPAND_BUILTIN_VA_ARG): New.
18951 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
18953 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
18954 Rename from expand_builtin_saveregs.
18955 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
18957 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
18959 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
18960 for the register spill block.
18961 (i960_build_va_list): New.
18962 (i960_va_start): New.
18963 (i960_va_arg): New.
18964 * i960.h (BUILD_VA_LIST_TYPE): New.
18965 (EXPAND_BUILTIN_VA_START): New.
18966 (EXPAND_BUILTIN_VA_ARG): New.
18967 * i960.md (store_multiple): Use change_address on individul mems.
18969 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
18971 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
18973 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
18974 (expand_builtin_va_end): Evaluate arg for side effects.
18975 * c-common.c (c_common_nodes_and_builtins): Construct a
18976 va_list_arg_type_node to handle array decomposition to pointer.
18978 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
18980 * except.c (start_dynamic_cleanup): Use force_operand on the
18983 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
18985 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
18986 * c4x.c (c4x_va_arg): New.
18988 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
18990 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
18991 has manual_pop set.
18993 1999-07-26 Nathan Sidwell <nathan@acm.org>
18995 * eh-common.h (__eh_matcher): Prototype correctly.
18997 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
18999 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
19000 (TARGET_SINGLE_PIC_BASE): Likewise.
19001 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
19003 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
19004 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
19005 (TARGET_OPTIONS): Add -mpic-register=N.
19006 (OUTPUT_INT_ADDR_CONST): New macro.
19007 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
19008 LEGITIMATE_PIC_OPERAND_P): Likewise.
19009 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
19010 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
19011 output_addr_const directly.
19012 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
19014 (thumb_pic_register, thumb_pic_register_string): Declare.
19016 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
19018 (label_mentioned_p): New function: Imported from arm.c.
19019 (legitimize_pic_address): New function: Imported from arm.c.
19020 (is_pic):New function: Imported from arm.c.
19021 (thumb_finalize_pic):New function: Imported from arm.c.
19022 (add_constant): Cope with PIC constants.
19023 (fixit): Cope with PIC constants.
19024 (output_return): Do not treat the PIC register as live if
19025 TARGET_SINGLE_PIC_BASE is true.
19026 (thumb_function_prologue): Do not treat the PIC register as live if
19027 TARGET_SINGLE_PIC_BASE is true.
19028 (thumb_expand_prologue): Do not treat the PIC register as live if
19029 TARGET_SINGLE_PIC_BASE is true.
19030 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
19031 TARGET_SINGLE_PIC_BASE is true.
19032 (thumb_print_operand): Accept '|'.
19033 (thumb_override_options): Process PIC options.
19035 * config/arm/thumb.md (movsi): Support PIC.
19036 (call_insn): Change "i" constraint to "X".
19037 (call_value_insn): Likewise.
19038 (consttable_4, consttable_8, consttable_end): Set and clear
19039 "making_const_table" as appropriate.
19040 (pic_load_addr, pic_add_dot_plus_four): New insns.
19042 * invoke.texi (Thumb Options): Fix spelling. Document new
19043 options -msingle-pic-base and -mpic-register=.
19045 1999-07-26 Andrew Haley <aph@cygnus.com>
19047 * config/m32r/initfini.c (__init): Use a full word immediate for
19048 __fini: this allows it to be placed in any memory region.
19050 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
19051 -mmodel=medium. This is OK for all memory models.
19053 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
19055 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
19056 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
19058 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
19060 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
19063 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
19065 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
19067 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
19068 (BUILD_VA_LIST_TYPE): New.
19069 (EXPAND_BUILTIN_VA_START): New.
19070 (EXPAND_BUILTIN_VA_ARG): New.
19071 * i860.c (output_delayed_branch): Disable.
19072 (output_delay_insn): Likewise.
19073 (i860_saveregs): New.
19074 (i860_build_va_list): New.
19075 (i860_va_start): New.
19076 (i860_va_arg): New.
19077 * i860.md: Disable all peepholes using output_delayed_branch.
19078 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
19080 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
19082 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
19083 (BUILD_VA_LIST_TYPE): New.
19084 (EXPAND_BUILTIN_VA_START): New.
19085 (EXPAND_BUILTIN_VA_ARG): New.
19086 * clipper.c (clipper_builtin_saveregs): Only dump registers.
19087 Return the address of the save area.
19088 (clipper_build_va_list): New.
19089 (clipper_va_start): New.
19090 (clipper_va_arg): New.
19092 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
19094 * arc.h (EXPAND_BUILTIN_VA_START): New.
19095 (EXPAND_BUILTIN_VA_ARG): New.
19096 * arc.c (arc_setup_incoming_varargs): Set alias set of
19098 (arc_va_start): New.
19101 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
19103 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
19104 (BUILD_VA_LIST_TYPE): New.
19105 (EXPAND_BUILTIN_VA_START): New.
19106 (EXPAND_BUILTIN_VA_ARG): New.
19107 * alpha.c (alpha_builtin_saveregs): Delete.
19108 (alpha_build_va_list): New.
19109 (alpha_va_start): New.
19110 (alpha_va_arg): New.
19112 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
19114 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
19116 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
19117 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
19119 * gcc.texi: More changes related to list conversion.
19120 * invoke.texi: Likewise.
19122 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
19124 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
19125 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
19126 (expand_builtin_next_arg): Accept ARGLIST not EXP.
19127 (stabilize_va_list): New function.
19128 (std_expand_builtin_va_start): New function.
19129 (expand_builtin_va_start): New function.
19130 (get_varargs_alias_set): New function.
19131 (std_expand_builtin_va_arg): New function.
19132 (expand_builtin_va_arg): New function.
19133 (expand_builtin_va_end): New function.
19134 (expand_builtin_va_copy): New function.
19135 (expand_builtin): Call them.
19136 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
19137 __builtin_{varargs_start,stdarg_start,end,copy}.
19138 (build_va_arg): New function.
19139 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
19140 (build_va_arg): Declare.
19141 * c-decl.c (ptr_type_node, va_list_type_node): New.
19142 * c-parse.gperf (__builtin_va_arg): New.
19143 * c-parse.in (VA_ARG): New token.
19144 (unary_expr): Recognize it.
19145 * expr.c (expand_expr): Expand VA_ARG_EXPR.
19146 * expr.h (std_expand_builtin_va_start): Declare.
19147 (std_expand_builtin_va_arg): Declare.
19148 (expand_builtin_va_arg): Declare.
19149 (get_varargs_alias_set): Declare.
19150 * tree.def (VA_ARG_EXPR): New.
19151 * tree.h (BUILT_IN_VARARGS_START): New.
19152 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
19153 (ptr_type_node, va_list_type_node): Declare.
19154 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
19155 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
19156 * m88k.h, m88k.c: Likewise.
19157 * mn10300.h, mn10300.c: Likewise.
19158 * pa.h, pa.c: Likewise.
19159 * rs6000.h, rs6000.c: Likewise.
19160 * sh.h, sh.c: Likewise.
19161 * sparc.h, sparc.c: Likewise.
19163 * emit-rtl.c (operand_subword): Copy alias set.
19164 (change_address): Likewise.
19166 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
19168 * pa.c (compute_frame_size): Scan all the used callee saved registers,
19169 not just the first one.
19171 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
19173 * config/arm/arm.h (TARGET_SWITCHES): Add
19174 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
19175 (TARGET_OPTIONS): Add -mpic-register=.
19176 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
19177 (arm_pic_register_string): Declare.
19178 (NEED_PLT_GOT): Delete, replace with ...
19179 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
19180 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
19181 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
19182 * config/arm/arm.c (arm_override_options): Add new option
19184 (arm_pic_register_string): New variable.
19185 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
19186 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
19187 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
19188 (output_return_instruction): Likewise.
19189 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
19190 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
19191 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
19193 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
19194 mention of -msched-prolog. Document new options -msingle-pic-base
19195 and -mpic-register=.
19197 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
19199 * haifa-sched.c (reemit_notes): Tidy.
19200 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
19203 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
19205 * explow.c (trunc_int_for_mode): New function.
19206 (plus_constant_wide): Use it.
19207 * combine.c (simplify_and_const_int): Likewise.
19208 (merge_outer_ops): Likewise.
19209 (simplify_shift_const): Likewise.
19210 * cse.c (simplify_unary_operation): Likewise.
19211 (simplify_binary_operation): Likewise.
19212 * emit-rtl.c (operand_subword): Likewise.
19213 * rtl.h: Declare it.
19215 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19217 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
19218 (use NUM_REGS instead of NUM_INTS).
19220 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19222 * builtins.c: New file.
19223 * expr.c (saveregs_value, apply_args_value): Delete definition,
19224 moved into builtins.c.
19225 (string_constant): No longer static.
19226 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
19227 apply_args_size, apply_result_size, result_vector,
19228 expand_builtin_apply_args, expand_builtin_apply,
19229 expand_builtin_return): Delete functions, moved into builtins.c.
19230 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
19231 * expr.h (saveregs_value, apply_args_value): Declare variables.
19232 (expand_builtin, string_constant): Declare functions.
19233 * Makefile.in: Update to build builtin.o.
19235 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
19237 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
19238 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
19239 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
19240 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
19242 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
19245 1999-07-21 Michael Meissner <meissner@cygnus.com>
19247 * print-rtl.c (print_rtx): Print the names of the virtual
19250 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
19252 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
19253 introduced in previous delta.
19255 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19257 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
19258 to avoid name clash.
19260 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
19262 * c-lex.c (yylex) : Correct the test for overflow when lexing
19265 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
19267 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
19268 (adjust_priority): Always call ADJUST_PRIORITY.
19269 (schedule_insn): Only put insns into the ready at cost 0.
19270 (schedule_block): Remove redundant initial sort. Give clock_var
19271 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
19273 * tm.texi (MD_SCHED_REORDER): Update docs.
19275 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
19276 * sparc.c (ultra_reorder_called_this_block): Delete.
19277 (ultrasparc_sched_init): Don't set it.
19278 (ultrasparc_sched_reorder): Don't check it.
19280 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
19282 * rs6000.h (struct rs6000_args): Add sysv_gregno.
19283 * rs6000.c (init_cumulative_args): Init sysv_gregno.
19284 (function_arg_boundary): Align DFmode.
19285 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
19286 to get fp reg and stack overflow correct.
19287 (function_arg): Likewise.
19288 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
19289 (setup_incoming_varargs): Restructure for ABI_V4; use
19290 function_arg_advance to skip final named argument.
19291 (expand_builtin_saveregs): Properly unskip the last integer arg
19292 when doing varargs. Adjust overflow location calculation.
19294 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
19295 explicitly unsigned.
19296 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
19297 (__VA_GP_REGSAVE): Similarly.
19298 (__va_longlong_p): Delete.
19299 (__va_arg_type_violation): New declaration.
19300 (va_arg): Restructure. Flag promotion errors. Align double.
19301 TFmode passed by reference.
19303 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
19304 in the HOST_BITS_PER_WIDE_INT > 32 case.
19306 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
19308 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
19310 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
19312 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
19313 * toplev.c (documented_lang_options): Add -fpreprocessed.
19314 * cpplib.h (struct cpp_buffer): Add preprocessed.
19315 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
19316 (cpp_start_read): Don't expand macros or emit an initial #line
19317 directive if -fpreprocessed.
19319 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
19321 * cpplib.h (struct cpp_buffer): Added manual_pop for
19322 better C++ tokenization.
19323 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
19324 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
19325 * c-common.c (cpp_token): Make non-static.
19327 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19329 * c-common.h: New file.
19330 * c-common.c (permanent_obstack): Delete unused declaration.
19331 (c_global_trees): New array.
19332 (c_common_nodes_and_builtins): New function; split off common code
19333 from init_decl_processing in both c-decl.c and cp/decl.c.
19334 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
19335 c_global_trees and accessor macros defined in c-common.h.
19336 Include c-common.h.
19337 * c-decl.c: Delete definitions for tree nodes that were replaced by
19339 (init_decl_processing): Build void_list_node.
19340 Call c_common_nodes_and_builtins; delete code to generate the common
19342 * objc/objc-act.c (build_module_descriptor): Rename variable
19343 void_list_node to avoid clash with c-common.h.
19345 * Makefile.in: Update dependencies.
19346 * objc/Make-lang.in: Likewise.
19348 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
19350 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
19351 (UNIQUE_SECTION_P): Likewise.
19352 (UNIQUE_SECTION): Likewise.
19354 1999-07-19 Linas Vepstas <linas@linas.org>
19356 * config/i370/README: New file.
19357 * config/i370/linux.h: New file.
19358 * config/i370/mvs.h: New file.
19359 * config/i370/oe.h: New file.
19360 * config/i370/t-linux: New file.
19361 * config/i370/t-mvs: New file.
19362 * config/i370/t-oe: New file.
19363 * config/i370/x-oe: New file.
19364 * config/i370/xm-linux.h: New file.
19365 * config/i370/xm-mvs.h: New file.
19366 * config/i370/xm-oe.h: New file.
19368 * i370.c (label_node_t): Add first_ref_page, label_addr,
19369 label_first_ref, label_last_ref members.
19370 (mvs_need_base_reload): Renamed from mvs_label_emitted.
19371 (MAX_MVS_LABEL_SIZE): Define.
19372 (MAX_LONG_LABEL_SIZE): Define.
19373 (alias_node_t, alias_anchor, alias_number): New.
19374 (mvs_function_table): Reorder for EBCDIC.
19375 (ascebc, ebcasc): Unconditionally define.
19376 (i370_branch_dest, i370_branch_length): New functions.
19377 (i370_short_branch, i370_label_scan): New functions.
19378 (mvs_get_label): Renamed from mvs_add_label. Search for
19379 an existing label before creating a new one.
19380 (mvs_add_label): New function.
19381 (mvs_get_label_page): New function.
19382 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
19383 over the entire list.
19384 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
19385 (mvs_check_page) [TARGET_ELF_ABI]: New function.
19386 (mvs_add_alias, mvs_need_alias): New functions.
19387 (mvs_get_alias, mvs_check_alias): New functions.
19388 (handle_pragma): New function.
19389 (mvs_function_check): New function.
19390 (unsigned_jump_follows_p): Search harder.
19391 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
19392 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
19393 * i370.h (TARGET_VERSION): Delete.
19394 (CPP_SPEC, CPP_PREDEFINES): Delete.
19395 (mvs_label_emitted): Delete.
19396 (TARGET_EBCDIC): Delete.
19397 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
19398 (HANDLE_PRAGMA): Define.
19399 (HARD_REGNO_NREGS): Handle complex modes.
19400 (HARD_REGNO_MODE_OK): Likewise.
19401 (CLASS_MAX_NREGS): Likewise.
19402 (RET_REG): Likewise.
19403 (EXTRA_CONSTRAINT): Define.
19404 (RETURN_IN_MEMORY): True for DImode.
19405 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
19406 (FUNCTION_PROFILER): Delete.
19407 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
19408 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
19409 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
19410 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
19411 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
19412 (ASM_FILE_START): Add "RMODE ANY".
19413 (ASM_OUTPUT_EXTERNAL): Check for aliases.
19414 (ASM_GLOBALIZE_LABEL): Likewise.
19415 (ASM_OUTPUT_LABELREF): Likewise.
19416 (ASM_OUTPUT_COMMON): Likewise.
19417 (PRINT_OPERAND): Handle 'K', 'W', default.
19418 (PRINT_OPERAND_ADDRESS): New.
19419 (Lots of defines): Add support for TARGET_ELF_ABI.
19420 * i370.md (attr length): New. Define for all patterns.
19421 (*): Lots of tweeks to assembly output and constraints.
19423 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
19425 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
19426 Disable patterns performing SImode comparisons with SImode values
19427 if TARGET_POWERPC64 and instruction does not sign-extend or does
19428 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
19429 differ for signed quantities.
19430 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
19431 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
19432 (decrement_and_branch_on_count): Add 64-bit variant.
19434 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19436 * final.c (output_asm_insn): When searching for the matching string
19437 for a given dialect, don't run past the end of the list of
19438 alternatives if there are fewer alternatives in the template than
19441 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
19443 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
19444 Removed paragraph about compression of files and size limitation,
19445 duplicated in the FAQ. Use gcc-patches for posting patches.
19446 * gcc.c (main): Updated URL with bug reporting instructions to
19447 gcc.gnu.org. Removed e-mail address.
19448 * system.h (abort): Likewise.
19450 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19452 * Makefile.in (stmp-multilib-sub): Make the files extracted
19453 from $(LIBGCC1) writable.
19455 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
19457 * config/arm/aout.h: Reformat for improved readability.
19459 * config/arm/arm.h: Reformat for improved readability.
19460 Replace uses of fprintf with asm_fprintf where appropriate.
19461 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
19462 function declaration assembler actions.
19463 (NUM_INTS): New macro: Convert from bytes to words.
19464 (NUM_REGS): New macro: Compute number of registers required to
19465 hold a quanitity of tyep MODE.
19466 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
19468 (NUM_ARG_REGS): New macro: The number of argument registers
19470 (ARG_REGISTER): New macro: Compute the register number of the Nth
19472 (LAST_ARG_REGNUM): New macro: The number of the last argument
19474 (SP_REGNUM): New macro: Register number of the stack pointer.
19475 (FP_REGNUM): New macro: Register number of the frame pointer.
19476 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
19477 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
19478 CUMULATIVE_ARGS so that it counts registers not bytes.
19480 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
19482 Replace uses of fprintf with asm_fprintf where appropriate.
19483 (output_ascii_pseudo_op): Replace with version from thumb.c
19485 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
19487 * config/arm/elf.h (CPP_PREDEFINES): Replace with
19488 SUBTARGET_CPP_SPEC.
19489 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
19490 (ASM_FILE_START): Emit ASM_APP_OFF.
19492 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
19494 * pa.c (compute_frame_size): Round frame according to
19495 STACK_BOUNDARY rather than a hardwired value.
19497 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
19499 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
19501 * configure: Rebuilt.
19503 * configure.in (hppa*-*-linux*): New configuration.
19504 * configure: Rebuilt.
19505 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
19506 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
19507 * pa/pa-linux.h: New file.
19508 * pa/t-linux: New file.
19509 * pa/xm-linux.h: New file.
19511 * pa.c (hppa_legitimize_address): Change references from SImode to
19512 either Pmode or word_mode as appropriate.
19513 (emit_move_sequence, store_reg, load_reg): Likewise.
19514 (set_reg_plus_d, hppa_expand_prologue): Likewise.
19515 (output_mul_insn): Likewise.
19516 * pa.h (PROMOTE_MODE): Likewise.
19517 (INITIALZE_TRAMPOLINE): Likewise.
19518 (Pmode): Define to word_mode.
19520 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
19521 value of 4. Allocate 8 bytes for each FP register save.
19522 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
19524 (hppa_expand_prologue): Likewise.
19525 * pa.h (PROMOTE_MODE): Likewise.
19526 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
19527 (FUNCTION_ARG_BOUNDARY): Likewise.
19529 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
19531 * pa.c (out_of_line_prologue_epilogue): Delete.
19532 (override_options): Remove -mspace related code.
19533 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
19534 (compute_frame_size): Only allocate space for register that
19535 actually need to be saved.
19536 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
19537 (TARGET_SWITCHES): Remove -mspace, -mno-space
19538 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
19539 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
19540 * pa/ee.asm, pa/ee_fp.asm: Delete.
19542 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
19544 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
19545 directive in column zero.
19547 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
19549 * m68k.c (output_function_prologue): Fix computation of save mask
19550 when generating PIC code.
19552 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
19554 * tree.c (build_type_attribute_variant): Move current_obstack restore
19555 after build_qualified_type call.
19557 1999-07-15 Mark Mitchell <mark@codesourcery.com>
19559 * configure.in: Use t-iris6, even with GNU LD.
19560 * config/mips/iris6gld.h: Fix typo in linker spec.
19561 * config/mips/t-iris6gld: Remove.
19563 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
19565 * rs6000.md (insv, extzv): Remove SImode dependence in named
19566 patterns. Explicitly generate DImode RTL if PowerPC64 and
19568 (insvdi): Reverse start and size in instruction template.
19570 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
19572 * invoke.texi: Typo fixes.
19574 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
19576 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
19577 handle at this time instead of silently generating incorrect code.
19578 (gen_imagpart): Likewise.
19580 * reload.c (find_reloads): Emit a USE for a pseudo register without
19581 a hard register if we could not create an optional reload for the
19584 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19586 * c-typeck.c (output_init_element, process_init_element):
19587 When advancing constructor_unfilled_fields for a RECORD_TYPE,
19588 check for nameless bit fields.
19590 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
19592 * regclass.c (scan_one_insn): Notice subregs that change the
19593 size of their operand.
19594 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
19596 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
19598 * configure.in (alpha*-*-*): Include alpha/t-ieee.
19599 * configure: Rebuilt.
19600 * alpha/t-ieee: New file.
19602 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
19604 * rs6000.c (find_addr_reg): Do not select r0 as an address
19607 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
19609 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
19611 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
19613 * rs6000.md (movsf): Do not force easy FP constants into memory.
19615 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
19616 immed_double_const to ensure they are properly truncated then
19619 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
19621 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
19622 always unless NO_DEBUG is used. Compile this code
19624 (replace_symbols_in_block): Compile it unconditionally.
19626 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
19628 * configure.in (i?86-*-elf*): New target.
19629 * configure: Rebuilt.
19630 * i386/i386elf.h, i386/t-i386elf: New files.
19632 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
19634 * toplev.c (main): Don't complain about saying -gdwarf.
19635 (rest_of_compilation): Remove redundant code.
19637 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
19639 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
19641 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
19643 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
19644 "Li960R:", to avoid name clash.
19646 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19648 * loop.c (check_dbra_loop): When reversing a loop, delete all
19649 REG_EQUAL notes referencing the reversed biv except those which are
19650 for a giv based on it.
19652 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
19654 * version.c: Drop "gcc-" prefix from version #.
19656 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
19658 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
19659 the label if we're being verbose.
19661 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
19663 * m68k.c (output_function_prologue): Add pic register to mask
19664 if live and flag_pic.
19665 (output_function_epilogue): Likewise.
19667 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
19669 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
19670 directives in column zero.
19672 * pa/elf.h (ASM_FILE_START): Define.
19673 * pa/som.h (ASM_FILE_START): Include .level directives.
19674 * pa/hpux10.h (ASM_FILE_START): Delete.
19675 * pa/hpux11.h (ASM_FILE_START): Delete.
19677 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
19679 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19681 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
19682 when reload_out equals reload_in.
19684 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
19686 * invoke.texi (Spec Files): New node: Describe the contents of
19689 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
19691 * invoke.texi (DEC Alpha Options): Put @end table at
19692 beginning of line, to avoid confusing texi2html.
19694 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
19696 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
19697 introduced in previous delta.
19699 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19701 * reload1.c (gen_reload): When synthesizing a 3 operand add
19702 sequence, improve test for when to reload OP1 into the reload
19703 register instead of OP0.
19705 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
19707 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
19709 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
19711 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
19714 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
19716 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
19717 (va_dcl): Use __builtin_va_alist_t.
19719 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
19721 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
19722 on the permanent_obstack.
19723 * dwarfout.c (output_type): Likewise.
19725 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
19727 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19728 Merged from c-typeck.c and cp/typeck.c.
19729 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19730 Merged into c-common.
19732 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
19734 * c-lex.c (errorcount): Declare it.
19735 (finish_parse): Update errorcount when using CPPLIB.
19737 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
19739 * fixinc/inclhack.def(end_else_label): Double the backslash so
19740 sed gets a chance to see it.
19741 * fixinc/inclhack.sh: regen
19742 * fixinc/fixincl.x: regen
19744 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
19746 Add framework to support armv5 architecture when it becomes
19749 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
19750 (arm_arch5): New variable.
19751 (all_architectures): Add armv5 line.
19752 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
19753 -march=armv5 is specified on the command line.
19754 (arm_arch5): Export this variable.
19755 * invoke.texi: Document new string accepted by -march= switch for
19758 * config/arm/arm.h: Replace use of constant 12 as a register
19759 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19760 * config/arm/arm.c: Replace use of constant 12 as a register
19761 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
19763 * config/arm/elf.h: Tidy up.
19764 * config/arm/coff.h: Tidy up.
19766 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
19768 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
19769 * gcc/config/mips/t-iris6gld: New file.
19770 * gcc/config/mips/iris6gld.h: Likewise.
19772 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
19774 * c-decl.c (widest_integer_literal_type_node,
19775 widest_unsigned_literal_type) : New.
19776 (init_decl_processing): Handle/use the two new types.
19777 * c-common.c (type_for_size,type_for_mode) : Same.
19778 * c-lex.c (yylex) : Same.
19779 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
19781 * c-tree.h (widest_integer_literal_type_node,
19782 widest_unsigned_literal_type) : New.
19784 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
19786 * dwarfout.c (field_byte_offset): Correctly compute the object's
19787 byte offset for the first bit of a field which crosses an alignment
19788 boundary on a !BYTES_BIG_ENDIAN target.
19790 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
19792 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
19795 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
19796 Jeff Law <law@cygnus.com>
19798 * ginclude/varargs.h (va_dcl): Use word_mode for type of
19801 * except.c: Include intl.h.
19802 (expand_eh_return): Set current_function_cannot_inline.
19803 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
19804 * function.h (struct function): Add eh_return_stub_label.
19805 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
19806 * Makefile.in (except.o): Depend on intl.h.
19808 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
19810 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
19811 same as offsettable in cases 1 and 2.
19813 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
19815 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
19816 (extlh, extwh): Likewise.
19818 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
19820 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
19822 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
19824 * configure.in: Add arm-pe and thumb-pe targets.
19825 * configure: Regenerate.
19827 * thumb.c (arm_naked_function_p): New function: Determines if
19828 a function is naked (has no gcc generated prologue/epilogue).
19829 (is_called_in_ARM_mode): Return true if the func has the
19830 interfacearm attribute.
19831 (output_return): Do not generate a return for naked functions.
19832 (thumb_function_prologue): Do not generate a prologue for
19834 (thumb_expand_prologue): Do not generate a prologue for naked
19836 (thumb_expand_epilogue): Do not generate an epilogue for naked
19838 (arm_valid_machine_decl_attribute): New function, copied from
19839 arm.c: Permit naked and interfacearm attributes.
19841 * config/arm/pe.c: New file: Support code for arm-pe target.
19842 * config/arm/pe.h: New file: Header file for arm-pe target.
19843 * config/arm/tpe.h: New file: Header file for thumb-pe target.
19844 * config/arm/t-thumb-pe: New file: Makefile fragment for
19847 1999-07-01 Mark Kettenis <kettenis@gnu.org>
19849 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
19850 -fPIC or -fpic is specified.
19852 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
19854 * expr.c (emit_block_move): Use copy_to_mode_reg for
19855 !TARGET_MEM_FUNCTIONS case too.
19857 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
19859 * configure: Rebuilt.
19860 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
19861 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
19862 definitions made redundant by dbxelf.h inclusion. Delete
19863 lots of definitions related to assembly output that are
19864 specific to the SOM object format.
19865 * pa.c (output_function_prologue): Do not emit the function's
19867 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
19868 * pa-pro.h: Deleted.
19869 * som.h: New file with SOM specific definitions.
19870 * elf.h: New file with ELF specific definitions.
19872 * elfos.h (const_section): Output a tab before assembler directives.
19873 (ctors_section, dtors_section): Likewise.
19874 (ASM_OUTPUT_SECTION_NAME): Likewise.
19876 * pa/pa1.h: Delete unused file.
19878 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
19880 * configure.in (hppa*-hp-hpux11*): New configuration.
19881 * configure: Rebuilt.
19882 * pa/pa-hpux11.h: New file.
19883 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
19886 * mips.md (leasi, leadi): New patterns.
19888 * expr.c (emit_block_move): Properly handle case where one of the
19889 block move arguments has a queued increment or decrement.
19890 (clear_storage): Similarly. Fix formatting goof.
19892 1999-06-28 "David O'Brien" <obrien@NUXI.com>
19894 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
19895 semicolon from the BSD VA_LIST replacement expression.
19897 * fixinc/inclhack.sh: regen
19898 * fixinc/fixincl.x: regen
19900 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
19901 now use the fixincl program.
19903 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
19905 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
19906 case. Also make the PIC register call_used.
19908 * m68k.h (FINALIZE_PIC): Delete.
19909 * m68k.c (finalize_pic): Delete.
19911 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
19913 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
19916 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
19918 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
19920 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
19922 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
19924 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
19926 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
19928 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
19930 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
19932 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
19934 * rs6000.c (output_toc): Always use hex values for floating-point
19935 constants. Store single-precision values in upper-half of TOC
19936 entry in 64-bit mode.
19937 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
19938 to final constraints.
19939 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
19940 (fctiwz): Improve accuracy of RTL for pattern.
19942 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
19944 * expr.c (expand_expr): Allow RTL_EXPR's through the
19945 MAX_INTEGER_COMPUTATION_MODE checks.
19947 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
19949 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
19950 such that MASK_SUPPORT_ARCH is not negative.
19952 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
19954 * loop.c (verify_dominator): Properly handle ADDR_VEC and
19955 ADDR_DIFF_VEC insns that appear inside loops.
19957 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
19958 Jeff Law <law@cygnus.com>
19960 * rs6000.md (movdf_hardfloat32): Revert previous patch.
19961 Handle LO_SUM the same as offsettable in cases 1 and 2.
19962 * rs6000.c (find_addr_reg): Revert previous patch.
19964 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
19966 * system.h (strstr): New external function declaration.
19967 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
19968 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
19969 * config.in, configure: Rebuilt.
19971 1999-06-24 Tom Tromey <tromey@cygnus.com>
19973 * gcc.c (main): Read user-specified specs files after computing
19974 additional startfile_prefixes.
19976 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
19978 Revert these two patches:
19980 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19981 * loop.c (strength_reduce): When doing biv->giv conversion, update
19982 reg note of NEXT->insn.
19984 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19985 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
19987 (recombine_givs): Set ix field after sorting.
19989 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19991 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
19992 for the parts of an UNSPEC / UNSPEC_VOLATILE.
19994 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
19996 *fixinc/inclhack.def: Add fix development commentary
19997 (read_ret_type): reactivate and add selection clause
19998 (zzz_*): tweak output file name to match what is used in hackshell.tpl
19999 *fixinc/{fixincl.x|inclhack.sh}: regen
20001 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
20003 * expr.c (expand_expr): STRIP_NOPS before checking against
20004 MAX_INTEGER_COMPUTATION_MODE
20005 (check_max_integer_computation_mode): Likewise.
20007 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
20009 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
20011 1999-06-22 Jim Wilson <wilson@cygnus.com>
20013 * expr.c (store_expr): When target is a promoted subreg, return a
20014 promoted subreg as a result.
20016 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
20018 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
20020 (dwarf2out_define): Mark unused parameters appropriately.
20021 (gen_unspecified_parameters_die): Ditto.
20022 (gen_subprogram_die): Fix signed/unsigned warnings.
20023 (gen_variable_die): Ditto.
20025 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
20027 * fixinc/inclhack.def(end_else_label): combined else_label
20028 and endif_label and fixed the sed expression.
20029 *fixinc/{fixincl.x|inclhack.sh}: regen
20031 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
20033 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
20034 'x' when handling non-offsettable addresses
20036 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
20038 * final.c (shorten_branches): Don't try to split an insn that has
20041 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
20043 * config/mips/mips.c (symbolic_expression_p): New function.
20044 (mips_select_rtx_section): Put symbolic expressions in the
20045 data section, not the read-only data section.
20047 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
20049 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
20051 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
20053 * collect2.c (main): Log frame table count.
20054 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
20055 (scan_prog_file) [COFF]: Handle frame tables.
20057 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
20058 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
20059 * alpha/elf.h: Undef them again.
20060 * alpha/vms.h: Remove their definitions.
20062 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20064 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
20065 remove the clobber of r0 and change the REG_UNUSED note to
20068 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
20070 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
20071 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
20072 fits in HOST_WIDE_INT and one uses union to access a long constant
20075 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
20077 * sparc.c (sparc_override_options): Don't allow profiling for
20078 code models other than medlow.
20079 (sparc_function_profiler): New function from old FUNCTION_PROFILER
20080 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
20081 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
20082 (sparc_block_profiler): Likewise.
20083 (sparc_function_block_profiler_exit): Likewise.
20084 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
20085 (FUNCTION_BLOCK_PROFILER): Likewise.
20086 (BLOCK_PROFILER): Likewise.
20087 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
20088 (MCOUNT_FUNCTION): New.
20089 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
20090 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
20091 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
20092 (MCOUNT_FUNCTION): New.
20093 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
20094 (BLOCK_PROFILER): Delete.
20095 (MCOUNT_FUNCTION): New.
20097 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
20099 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
20101 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
20103 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20106 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20109 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20112 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
20115 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
20117 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
20120 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
20122 * i386/djgpp.h (LIB_SPEC): New.
20123 (STARTFILE_SPEC): New.
20125 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
20127 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
20129 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
20132 * system.h (WSTOPSIG): New macro.
20134 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
20136 * c-pragma.c (push_alignment): Don't ignore alignments greater than
20138 (insert_pack_attributes): Take into account member natural
20141 * i386/winnt.c (exports_head): New static variable.
20142 (i386_pe_record_exported_symbol): New function.
20143 (i386_pe_asm_file_end): Use.
20144 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
20145 symbols to be emitted at end of assembly.
20146 (ASM_DECLARE_OBJECT_NAME): Likewise.
20147 (ASM_DECLARE_FUNCTION_NAME): Likewise.
20149 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
20152 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
20154 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
20157 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
20159 * haifa-sched.c (sched_analyze_1): Use free_list instead of
20160 zapping reg_last_uses directly.
20161 (sched_analyze_2, sched_analyze_insn): Likewise.
20162 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
20164 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
20166 * rs6000.md (movdf_hardfloat32): Use worst case insn length
20167 attributes for cases 1 and 2.
20169 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
20171 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
20174 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
20176 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
20178 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
20180 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
20181 PIC_OFFSET_TABLE_REGNUM for general alloaction.
20182 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
20183 must be stacked if it is used for PIC accesses.
20184 * arm.c (use_return_insn): Handle PIC register specially.
20185 (output_return_instruction): Likewise.
20186 (output_func_{prologue,epilogue}): Likewise.
20187 (output_expand_prologue): Likewise.
20189 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
20190 (*strsi_predec): Renamed from *strqi_predec.
20191 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
20192 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
20194 * arm.c (arm_override_options): Remove warning about PIC code
20195 not being supported.
20197 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
20199 * rs6000.c (find_addr_reg): New function.
20200 * rs6000.h (find_addr_reg): Declare.
20201 (offsettable_addr_operand): Delete.
20202 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
20203 from and stores to GPRs.
20205 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
20207 * alpha.c (alpha_expand_block_move): Use get_insns rather than
20208 gen_sequence as argument to emit_no_conflict_block.
20210 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20212 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
20213 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
20214 *fixinc/fixincl.x: regen
20215 *fixinc/inclhack.sh: regen
20217 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
20219 * added support for -mpcrel (PC relative addressing for m68k)
20220 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
20221 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
20222 * m68k.c (print_operand_address): Handle 32-bit PIC case.
20223 (comments for general_src_operand): Add some explanation
20224 about EXTRA_CONSTRAINTS.
20225 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
20226 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
20227 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
20228 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
20229 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
20230 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
20231 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
20232 if not already set.
20233 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
20234 * m68k.h (TARGET_PCREL): New target flag.
20235 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
20236 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
20237 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
20238 contains a SYMBOL_REF. Relax this constraint during reload, since
20239 we want to use the predicates, not reload's built-in concept of a
20240 valid memory address, to control what insns need reloading.
20241 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
20242 operands (essentially 'g', 'm', and 's' under normal circumstances).
20243 * m68k.c (print_operand): Cause printing of pc-relative addresses
20244 to include pc register.
20245 (print_operand_address): Ditto.
20246 (general_src_operand): Accept operands that are not only
20247 general_operands, but are also valid when used as a pc-relative
20249 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
20250 (memory_src_operand): Similar, for memory_operands.
20251 (pcrel_address): New predicate to accept the special case of a
20252 pc-relative address.
20253 * m68k.md (many patterns): Rewrite common SImode, HImode, and
20254 QImode insns to accept *_src_operand instead of *_operand where
20255 pc-relative operands can fit. For example, a pc-relative operand
20256 can be used as a memory source operand for addsi3, but not as a
20257 memory destination.
20258 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
20260 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
20262 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
20263 .thumb_set pseudo op to mark aliases of thumb functions.
20265 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
20267 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
20268 preference to ASM_OUTPUT_DEF, if it is defined.
20270 * tm.texi: Document new, optional target macro
20271 ASM_OUTPUT_DEF_FROM_DECLS.
20273 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20275 * fixincludes: ISCNTL patch
20276 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
20277 (dgux_int_varargs): new for DG/UX
20278 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
20280 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
20282 * invoke.texi (ia32 options): Fix typo.
20284 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20286 * loop.c (strength_reduce): When doing biv->giv conversion, update
20287 reg note of NEXT->insn.
20289 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
20291 * loop.c (move_movables): Note issues with replacing REGs with
20293 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
20295 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
20297 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
20299 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
20300 the reference to `mcount' was not correct for the ELF on FreeBSD.
20302 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20304 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
20307 (recombine_givs): Set ix field after sorting.
20309 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
20311 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
20312 to safe to extract a subword out of a REG.
20314 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20316 * sh.md (mulsi3): Don't add a no-op move at the end.
20318 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20320 * cse.c (cse_insn): Don't put hard register source into tables for
20321 the last insn of a libcall.
20323 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20325 * loop.c (strength_reduce): Insert sets of derived givs at every
20326 biv increment, even if it's the only one.
20328 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20330 * dwarfout.c (add_incomplete_type): New fn.
20331 (output_type): Call it.
20332 (retry_incomplete_types): New fn.
20333 (dwarfout_finish): Call it.
20335 From Eric Raskin <ehr@listworks.com>:
20336 (output_type): Output types for bases.
20338 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20340 * mips.c (mips_output_conditional_branch): Add `break'
20341 between `default' label and `close braces'.
20343 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
20345 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
20346 specifications and make it realistic.
20347 (LIB_SPEC): Likewise.
20349 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
20351 * config/mips/mips.c (mips_secondary_reload_class): Check for
20352 (PLUS (SP) (REG)) and return appropriate register class.
20353 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
20354 Handle (PLUS (SP) (REG)).
20355 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
20356 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
20357 of emit_insn for tablejump.
20359 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
20361 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
20362 asm_fprintf format string by itself.
20363 (output_function_profiler): Likewise.
20365 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
20367 * combine.c (simplify_logical, case AND): Only call
20368 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
20369 or the constant is positive.
20371 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
20373 * configure.in: Fix typo in rs6000-ibm-aix4 case.
20374 * configure: Regenerate.
20376 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
20378 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
20379 require a sub-version #.
20380 * configure: Rebuilt.
20382 1999-06-14 Robert Lipe (robertlipe@usa.net)
20384 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
20386 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
20388 * c-typeck.c (process_init_element): Detect excess elements in
20389 char array initializer.
20391 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
20393 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
20395 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20397 * invoke.texi (Option Summary): Add -fpermissive flag.
20399 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
20401 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
20402 that require PIC code sequences.
20404 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
20406 * configure.in: Add new target: thumb-elf.
20407 * configure: Regenerate.
20408 * config/arm/t-thumb-elf: New file: Makefile fragment for
20410 * config/arm/telf.h: New file: Header file for thumb-elf
20413 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
20415 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
20416 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
20417 initializers is some circumstances.
20419 * fixinc/inclhack.def (endif_label): Add additional selector for
20420 more bogus stuff after #endif statements.
20421 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
20423 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
20425 * i386/cygwin.h (SET_ASM_OP): Define.
20427 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
20429 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
20431 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20433 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
20436 * sh.md (ic_invalidate_line_i): Remove second alternative.
20438 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20440 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
20441 test for the presence of valid prototypes. Delete bypass expr.
20442 (ioctl_fix_ctrl): Correct the selection expression.
20443 (no_double_slash): Correct quoting rules
20444 *fixinc/fixincl.x: regen
20445 *fixinc/inclhack.sh: regen
20447 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
20449 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
20451 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20453 * rs6000.md (movsi_got_internal_mem): Delete.
20454 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
20455 (GOT_TOC_REGNUM): Delete.
20456 (PIC_OFFSET_TABLE_REGNUM): Define.
20457 (FINALIZE_PIC): Disable.
20458 * rs6000.c (rs6000_got_register): New code for fixed pic register.
20459 (rs6000_replace_regno): Delete.
20460 (rs6000_finalize_pic): Likewise.
20461 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
20463 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20465 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
20466 is a note; use <= for the compare; advance P while it is
20469 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
20471 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
20472 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
20474 * varasm.c (remove_from_pending_weak_list): Verify t->name
20475 is non-NULL before passing it to strcmp.
20477 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20479 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
20480 the typed arguments are not part of a comment
20481 (ioctl_fix_ctrl): Added a purpose comment
20482 *fixinc/fixincl.x: regenerate
20483 *fixinc/inclhack.sh: regenerate
20485 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20487 * invoke.texi: Add C4x invocation docs.
20489 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20491 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
20493 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
20495 (c4x_legitimize_reload_address): New function.
20496 * config/c4x/c4x.md: Update docs.
20498 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
20500 * fixincludes: Avoid removing '.'.
20501 * fixinc/fixinc.svr4: Likewise.
20502 * fixinc/fixinc.winnt: Likewise.
20503 * fixinc/inclhack.tpl: Likewise.
20504 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
20506 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20508 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
20510 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
20512 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
20514 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
20517 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
20519 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
20520 * configure: Regenerate.
20522 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
20524 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
20527 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
20529 * fixinc/inclhack.def (avoid_bool): Also catch
20530 "typedef [unsigned] int bool".
20531 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
20533 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
20534 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
20535 * configure: Rebuilt.
20537 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
20539 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
20540 such that we can override its definitions if necessary.
20541 (CPP_SPEC): New define. Support processor specific predefines via
20543 (CC1_SPEC): New define. Support processor specific compiler
20544 options via %(cc1_cpu).
20545 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
20548 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20550 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
20551 between sed's -e flag, and the open-quote following it.
20552 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
20554 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
20555 Jeffrey A Law (law@cygnus.com)
20557 * varasm.c (assemble_start_function): Remove the function
20558 from the pending weak decls list when we define a function.
20559 (assemble_variable): Similarly for variables.
20560 (weak_finish): Ignore items on the list with a NULL name.
20561 (remove_from_ending_weak_list); New function to "remove" an item
20562 from the pending weak declarations list.
20564 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20566 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
20568 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
20570 * c-lex.c (GETC): Redefine to call getch.
20571 (UNGETC): Redefine to call put_back.
20572 (putback_buffer): New structure type.
20573 (putback): New static structure.
20574 (getch): New function.
20575 (put_back): New function.
20576 (yylex): Replace unused bytes from bad multibyte character.
20578 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
20580 * cpplib.c (do_define): Cast `alloca' return value.
20581 (do_include, do_undef, do_pragma): Likewise.
20582 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
20584 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
20585 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
20587 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
20589 * sparc.md (abstf2): This should be an expand.
20590 (split after abstf2_notv9): Fix mode.
20591 (abstf2_hq_v9): New pattern.
20592 (abstf2_v9): Only use when no hard quad.
20593 (absdf2_v9): Fix if target is not the same as source.
20594 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
20595 Add correct output constraints.
20597 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
20599 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
20600 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
20602 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
20604 * mips.h (mips_output_conditional_branch): New function.
20605 (mips_adjust_insn_length): Likewise.
20606 (ASSEMBLER_SCRATCH_REGNUM): New macro.
20607 (ADJUST_INSN_LENGTH): Likewise.
20608 * mips.c (print_operand): Add `F' and `W' for floating-point
20609 comparison opcodes.
20610 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
20612 (mips_adjust_insn_length): New function.
20613 (mips_output_conditional_branch): New function.
20614 * mips.md (length): Adjust attribute definition to handle
20615 conditional branches. Change lengths to bytes, rather than
20616 instructions throughout. Remove length attribute from
20617 instructions whose length is four bytes, and rely on the default
20619 (dslot): Fix typo in comment.
20620 Reword conditional branch patterns to use
20621 mips_output_conditional_branch.
20623 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
20625 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
20626 (LIB_SPEC): Likewise.
20627 Link with -lprof1_r for -g/-pg.
20629 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20631 * loop.c (check_dbra_loop): Fix change of Jan 19.
20633 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
20635 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
20636 (STARTFILE_SPEC): Define, override the svr4.h version.
20637 (ENDFILE_SPEC): Likewise.
20639 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
20641 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
20642 * fixinc/fixincl.x: Regenerated.
20643 * fixinc/inclhack.sh: Regenerated.
20645 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20647 * sh.c (barrier_align): Don't return early for normal branch/barrier
20648 when optimizing for SH2.
20650 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
20652 * i386/udk.h (LINK_SPEC): Correct linker search path for
20655 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20657 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
20658 (braf_label_ref_operand): Delete.
20659 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
20660 * sh.md (casesi_jump_2): Operand1 is now the inside of a
20661 label_ref, and has no predicate.
20662 The patten has a predicate to guard against invalid substitutions.
20663 (dummy_jump): Delete.
20664 (casesi): Update use of casesi_jump_2.
20666 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20668 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
20669 *fixinc/fixincl.x: regenerate
20670 *fixinc/inclhack.sh: regenerate
20672 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
20674 * dwarf2out.c (add_incomplete_type): New fn.
20675 (gen_struct_or_union_type_die): Call it.
20676 (retry_incomplete_types): New fn.
20677 (dwarf2out_finish): Call it.
20679 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
20681 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
20682 current block starts with a CODE_LABEL and ends with a CALL and
20683 we can not find all the argument setup instructions for the CALL.
20685 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
20687 Revert this change:
20688 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
20689 something is a candidate for optimize_bit_field_compare.
20691 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20693 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
20695 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
20697 * alpha.c (override_options): Thinko in last patch.
20699 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
20700 (LIB_SPEC): Recognize -pthread.
20702 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
20704 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
20705 definition in config/arm/coff.h
20706 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
20708 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20710 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
20711 fixes that need "file=xxx\n" prepended before invocation
20712 (start_fixer - new): starting the fixer process is complex enough
20713 to warrent its own routine. It prepends the "file=xxx\n" stuff.
20714 (process): uses the new routine; omit usage of putenv()
20715 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
20716 * fixinc/fixincl.x: regenerate
20718 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
20720 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
20721 and version #s (1.1 -> 2.96) as needed.
20722 * README.g77: Kill way out of date file in the toplevel directory.
20724 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
20726 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
20727 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
20728 * configure: Rebuilt.
20729 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
20730 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
20731 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
20732 (SWITCH_TAKES_ARG): Likewise.
20733 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
20734 * config/t-freebsd: Moved from config/i386/ so it can used for all
20737 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
20739 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
20741 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
20743 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
20744 * configure: Rebuilt.
20746 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
20748 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
20749 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
20750 * rs6000/rs6000.c (rs6000_file_start): Use putc.
20751 (rs6000_output_load_toc_table): Same.
20752 (output_prolog, output_mi_thunk): Same.
20753 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
20754 (ASM_GLOBALIZE_LABEL): Use putc.
20756 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
20758 * alpha.md (reload_*_help): New patterns and splitters.
20759 (reload_*): Use them.
20760 (mov[qh]i): Likewise.
20762 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
20764 * cccp.c (handle_directive): Handle backslash-newlines in quoted
20767 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
20769 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
20771 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
20773 * flow.c (mark_regs_live_at_end, insn_dead_p,
20774 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
20775 and HARD_FRAME_POINTER_REGNUM special treatment if reload
20776 hasn't run or the frame pointer is needed.
20777 * haifa-sched.c (attach_deaths): Likewise.
20778 * sched.c (attach_deaths): Likewise.
20780 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
20782 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
20783 calculate_can_reach_end returns nonzero.
20785 * configure.in (native gas tests): Search for an assembler in the
20786 same manner that the installed compiler will.
20787 * configure: Rebuilt.
20788 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
20790 * alias.c (find_base_term): Improve handling of addresses
20791 constructed from binary operations.
20793 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
20795 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
20797 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
20799 * function.h (cleanup_label, frame_offset): Declare.
20800 (tail_recursion_label, tail_recursion_reentry): Likewise.
20801 (arg_pointer_save_area, rtl_expr_chain): Likewise.
20802 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
20803 (tail_recursion_label, tail_recursion_reentry): Likewise.
20804 (arg_pointer_save_area, rtl_expr_chain): Likewise.
20806 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
20808 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
20810 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
20811 (MAX_OFILE_ALIGNMENT): Define.
20813 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
20815 * fixincl.c: Replace local include scheme with #includes of
20816 gansidecl.h and system.h.
20817 * procopen.c: Likewise.
20818 * server.c: Likewise.
20820 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
20822 * i386/t-dgux (EXTRA_PARTS): Add crti.o
20823 (crti.o): Add build rule and dependencies.
20824 * fixinc/fixinc.dgux: Use modified _int_varargs.h
20826 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20828 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
20829 (LIB_LINUX_SPEC): Likewise.
20830 (LIB_LINUX_SPEC): Add support for -pthread
20831 (CPP_OS_LINUX_SPEC): Likewise.
20832 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
20835 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
20837 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
20839 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
20840 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
20841 for IEEE math and CC_FCOMI.
20842 (put_jump_code): No IEEE if CC_FCOMI is set.
20844 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20846 * fold-const.c (fold_truthop): Make the field reference unsigned
20847 when converting a single bit compare.
20849 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20851 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
20853 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
20855 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
20856 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
20859 * reload.c (push_reload): Do not call remove_address_replacements
20860 when presented with identical optional reloads.
20862 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
20864 * alpha.h (MASK_FIX, TARGET_FIX): New.
20865 (MASK_*): Reorganize constants.
20866 (CPP_AM_FIX_SPEC): New.
20867 (TARGET_SWITCHES): Add FIX.
20868 (EXTRA_SPECS): Likewise.
20869 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
20870 (SECONDARY_MEMORY_NEEDED): Likewise.
20871 (REGISTER_MOVE_COST): Likewise.
20872 * alpha.c (override_options): Add FIX support. Always use
20873 ALPHA_TP_PROG for ev6.
20874 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
20875 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
20876 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
20878 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
20880 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
20881 something is a candidate for optimize_bit_field_compare.
20883 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
20885 * gcc.texi (Passes): Document branch-shortening.
20886 * invoke.texi (Debugging Options): Document the fact that `-dp'
20887 outputs length information for instructions.
20889 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
20891 * flow.c: Revert previous delta.
20893 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
20895 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
20896 FRAME_POINTER_REGNUM.
20897 (mark_set_1): Ditto.
20898 (mark_used_regs): Ditto.
20900 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
20902 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
20903 (GOT_PCREL): New macro. Define to 1 if not already defined.
20904 * arm/elf.h (GOT_PCREL): Define to 0.
20905 * arm.c (arm_finalize_pic): Take into account the setting of
20908 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
20910 * output.h (STRIP_NAME_ENCODING): Provide default definition.
20911 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
20913 * flow.c (mark_set_1): Do not record BLKmode stores as dead
20914 store elimination candidates.
20916 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
20918 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
20921 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
20923 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
20924 Add use of x-aix41-gld.
20926 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
20928 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
20929 (ASM_OUTPUT_DESTRUCTOR): Define.
20931 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
20933 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
20934 last CODE_LABEL in a loop if we have previously passed a jump
20935 to the top of the loop.
20937 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
20939 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
20940 applying Philip's patch.
20942 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
20944 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
20947 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
20949 * loop.c (strength_reduce): Grow reg_single_usage as needed.
20951 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
20953 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
20954 Also remove a useless comment.
20956 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20958 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
20960 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
20962 * collect2.c (main): Only generate import or export file and add
20963 to link arguments if non-empty. Use xmalloc not alloca.
20964 (write_{export,import}_file): Delete.
20965 (write_aix_file): New function.
20966 (locatelib): Use xmalloc not malloc.
20967 (GCC_OK_SYMBOL): Do not check type if aix64.
20969 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
20971 Based on patch by Scott Bambrough and Pat Beirne:
20972 * config/arm/arm.c (making_const_table): New variable.
20973 * config/arm/arm.h (making_const_table): Declare.
20974 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
20976 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
20977 Keep track of when we are building the constant table.
20979 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
20981 * config/arm/arm.c (arm_override_options): Fix erroneous warning
20984 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
20986 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
20989 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
20991 * tm.texi (FUNCTION_ARG): Correct description of a stack element
20994 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
20996 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
20998 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
21000 * rs6000.c (output_mi_thunk): Enable full support again.
21002 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21004 * sh.h (BRANCH_COST): Define.
21006 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
21008 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
21010 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
21012 * function.c (assign_stack_local): Align stack slot propertly.
21013 (assign_outer_stack_local): Likewise.
21015 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
21017 * expr.h (lang_expand_constant): Declare.
21018 * toplev.c (lang_expand_constant): Define it.
21019 * varasm.c (output_constant): Use it.
21021 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21023 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
21024 Change function definitions to K&R style.
21026 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
21028 * fixinc/fixincl.c: We must not ignore SIGCLD now.
21030 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
21032 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
21033 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
21034 (several places): omit static initialization
21035 (process): use single fd, since only the read fd is used
21036 * fixinc/gnu-regex.c: define 'const' away, if not supported
21037 * fixinc/procopen.c(several places): omit static initialization
21038 * fixinc/server.c: define 'volitile' away, if not supported
21040 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
21042 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
21043 asm_fprintf and %L to generate the label name.
21044 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
21045 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
21047 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
21049 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
21050 insn for a conditional jump can not be found.
21052 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
21054 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
21055 on variables in specific sections other than .sbss and .sdata.
21057 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
21059 * stmt.c (expand_return): Call start_cleanup_deferral and
21060 end_cleanup_deferral around conditional code.
21062 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
21064 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
21065 filename lists. Utilizes new "krstr" AutoGen function.
21066 * fixinc/fixincl.x: Rebuilt.
21068 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
21070 * i386.c (output_float_compare): Avoid GNU-C extensions.
21072 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
21074 * version.c: Bump to distinguish mainline tree from the
21077 See ChangeLog.1 for earlier changes.